2013.58

in multihop

.hgsigs

@@ -0,0 +1,5 @@
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+3f12086c2ef2b9ffe36a822fdb3ff647fcec1831 0 iD8DBQBOuSlQjPn4sExkf7wRAvkbAKCgE1e8xEMQ16CGeoywhIQ0QR4eNgCfZdYYlzjb/+521Uvh5/7FRYEmrho=
+85f835f2fe0ac2c503c50a414de127222fb0a57c 0 iD8DBQBPRkMUjPn4sExkf7wRAvM4AJ9mw2OAkyjhSbamM1MizlEJUX18HACgoFKQkYf6BnYxN34Nv2HhM0cmzUc=
+9b80981212fe6c01b7c16b3ca7c4e66af56f12f1 0 iEYEABECAAYFAlFLKKcACgkQjPn4sExkf7xK7wCfcioCmJPsysSbQO6+4qZMVe0mmLwAn2/o+wRf4MrUXlohrr7aXEF9vdSB
+095b46180bbc412b029420587736a6185afc17e1 0 iEYEABECAAYFAlFsCnkACgkQjPn4sExkf7xLrwCfeMWjUaSmfU/fvseT5TdrYRqBEVQAoLz5SFLEA40C5f8zE8Ma/vgVJVIC

.hgtags

@@ -0,0 +1,39 @@
+03f65e461915a940939e4cc689fc89721ffc40de DROPBEAR_0.48.1
+0f967bfef5cd0056b7ec60e2305d917e51cbf30d DROPBEAR_0.44
+170329dc8ce5dfcf6298e1ad6699f109bf78e73d DROPBEAR_0.51
+1dbd2473482f320ea59f76ce961385cb3a0150a9 DROPBEAR_0.46
+2098857ab826dd42ae05a9a22c3ce2cc835b9844 DROPBEAR_0.45
+36160290a1b27451178be36752ed038840f59cdd LTC_DB_0.46
+39d5d58461d6e93337636e69d4cdf184a09c8d24 LTC_1.05
+55a99934db873be2e63b5968fb6532e5d9bd02e4 DROPBEAR_0.48
+59400faa4b44708c5d0b595e81193bc621e752d3 libtomcrypt-1.05
+66087d87c3555c78b47cf01f32bb5a32054c3ceb DROPBEAR_0.44test4
+677843bfa734238a67636b461a02c110c462ffaf DROPBEAR_0.44test1
+7faae8f46238e23975430876547b8950b4e75481 t:ltc-0.95-orig
+8220862baae829ebc762587b99c662480d57bb23 DROPBEAR_0.53
+86e0b50a9b588239c3fc9cc9cfe255ef586df17b ltm-0.30-orig
+88e0a1ad951add46b795511dc2698e36b4aee922 DROPBEAR_0.44test3
+8e94663164c6e106ccc5c9e997dedf6e04d77dd2 LTM_DB_0.44
+91fbc376f01084037cd5f6a5bf2e2db4903e8e99 libtommath-0.35
+97db060d0ef5f8cf8e67eb602ef037055a185ca9 libtommath-0.40
+aa2f51a6b81d33de5e9898a7f27c792a173d9b26 DROPBEAR_0.53.1
+ab370c629d363f8c9a3eca512bfa86e362034654 DROPBEAR_0.49
+c2ac796b130eeb6fa840873d8c230544c8ec7e4b DROPBEAR_0.44test2
+cd1143579f00b0248c79f63ca70efee4a35a57e8 LTC_DB_0.44
+ce104c8b0be1ff3f2c2590b7cdc3fd6870c865cd DROPBEAR_0.52
+d5faf4814ddbc5abd9e209409bb9e7a4686c8cd7 libtomcrypt-1.16
+d7da3b1e15401eb234ec866d5eac992fc4cd5878 t:ltc-0.95-db-merge1
+d8254fc979e99560c93ca2cece77a6df31927ea5 LTM_0.35
+e109027b9edfb02f0bdf96ec45bb1cd9ad41e7da LTM_DB_0.46
+e109027b9edfb02f0bdf96ec45bb1cd9ad41e7da LTM_DB_0.47
+e37b160c414cab6466622f63b0c4dcbf6ebc47a9 DROPBEAR_0.47
+e430a26064ee86ab79aef372118d6d03b2441996 DROPBEAR_0.50
+e5d119ea4c63656bc54ecfd865d04591ac2ed225 LTC_DB_0.47
+3f12086c2ef2b9ffe36a822fdb3ff647fcec1831 DROPBEAR_2011.54
+d354464b2aa6f6ba0bf44d43bcae5aa798435393 DROPBEAR_2012.55
+7faae8f46238e23975430876547b8950b4e75481 t:ltc-0.95-orig
+0000000000000000000000000000000000000000 t:ltc-0.95-orig
+d7da3b1e15401eb234ec866d5eac992fc4cd5878 t:ltc-0.95-db-merge1
+0000000000000000000000000000000000000000 t:ltc-0.95-db-merge1
+1b8b2b9d6e94bc3cc5e61b620476ea36cc466e1b DROPBEAR_2013.56
+96b8bcb88017815040949a417caa55686271e8a9 DROPBEAR_2013.57

CHANGES

@@ -1,3 +1,342 @@
+2013.58 - Thursday 18 April 2013
+
+- Fix building with Zlib disabled, thanks to Hans Harder and cuma@freetz
+
+- Use % as a separator for ports, fixes scp in multihop mode, from Hans Harder
+
+- Reject logins for other users when running as non-root, from Hans Harder
+
+- Disable client immediate authentication request by default, it prevents
+  passwordless logins from working
+
+2013.57 - Monday 15 April 2013
+
+- Decreased connection setup time particularly with high latency connections,
+  the number of round trips has been reduced for both client and server. 
+  CPU time hasn't been changed.
+
+- Client will send an initial key exchange guess to save a round trip.
+  Dropbear implements an extension kexguess2@matt.ucc.asn.au to allow the first
+  packet guess to succeed in wider circumstances than the standard behaviour.
+  When communicating with other implementations the standard behaviour is used.
+
+- Client side: when public key or password authentication with
+  $DROPBEAR_PASSWORD is used an initial authentication request will
+  be sent immediately rather than querying the list of available methods.
+  This behaviour is enabled by CLI_IMMEDIATE_AUTH option (on by default),
+  please let the Dropbear author know if it causes any interoperability
+  problems.
+
+- Implement client escape characters ~. (terminate session) and 
+  ~^Z (background session)
+
+- Server will more reliably clean up utmp when connection is closed, reported by
+  Mattias Walström
+
+- Don't crash if /dev/urandom isn't writable (RHEL5), thanks to Scott Case
+
+- Add "-y -y" client option to skip host key checking, thanks to Hans Harder
+
+- scp didn't work properly on systems using vfork(), thanks to Frank Van Uffelen
+
+- Added IUTF8 terminal mode support (Linux and Mac OS). Not standardised yet
+though probably will be soon
+
+- Some verbose DROPBEAR_TRACE output is now hidden unless $DROPBEAR_TRACE2
+  enviroment variable is set
+
+- Fix using asymmetric MAC algorithms (broke in )
+
+- Renamed configure.in to configure.ac to quieten autoconf, from Mike Frysinger
+
+2013.56 - Thursday 21 March 2013
+
+- Allow specifying cipher (-c) and MAC (-m) lists for dbclient
+
+- Allow using 'none' cipher or MAC (off by default, use options.h). Encryption
+  is used during authentication then disabled, similar to OpenSSH HPN mode
+
+- Allow a user in immediately if the account has a blank password and blank
+  passwords are enabled
+
+- Include a few extra sources of entropy from /proc on Linux, hash private keys
+  as well. Dropbear will also write gathered entropy back into /dev/urandom
+
+- Added hmac-sha2-256 and hmac-sha2-512 support (off by default, use options.h)
+
+- Don't sent bad address "localhost" for -R forward connections, 
+  reported by Denis Bider
+
+- Add "-B" runtime option to allow blank passwords
+
+- Allow using IPv6 bracket notation for addresses in server "-p" option, from Ben Jencks
+
+- A few improvements for Android from Reimar Döffinger
+
+- Fix memory leak for TCP forwarded connections to hosts that timed out,
+  reported by Norbert Benczúr. Appears to be a very long-standing bug.
+
+- Fix "make clean" for out of tree builds
+
+- Fix compilation when ENABLE_{SVR,CLI}_AGENTFWD are unset
+
+2012.55 - Wednesday 22 February 2012
+
+- Security: Fix use-after-free bug that could be triggered if command="..."
+  authorized_keys restrictions are used.  Could allow arbitrary code execution
+  or bypass of the command="..." restriction to an authenticated user.
+  This bug affects releases 0.52 onwards. Ref CVE-2012-0920.
+  Thanks to Danny Fullerton of Mantor Organization for reporting
+  the bug.
+
+- Compile fix, only apply IPV6 socket options if they are available in headers
+  Thanks to Gustavo Zacarias for the patch
+
+- Overwrite session key memory on exit
+
+- Fix minor memory leak in unusual PAM authentication configurations.
+  Thanks to Stathis Voukelatos
+
+- Other small code cleanups
+
+2011.54 - Tuesday 8 November 2011
+
+- Building statically works again, broke in 0.53 and 0.53.1
+
+- Fix crash when forwarding with -R
+
+- Fixed various leaks found by Klocwork analysis software, thanks to them for
+  running it
+
+- Set IPTOS_LOWDELAY for IPv6, thanks to Dave Taht
+
+- Bind to sockets with IPV6_V6ONLY so that it works properly on systems
+  regardless of the system-wide setting
+
+- Added ALLOW_BLANK_PASSWORD option. Dropbear also now allows public key logins
+  to accounts with a blank password. Thanks to Rob Landley
+
+- Fixed case where "-K 1" keepalive for dbclient would cause a SSH_MSG_IGNORE
+  packet to be sent
+
+- Avoid some memory allocations in big number maths routines, improves
+  performance slightly
+
+- Fix symlink target for installdropbearmulti with DESTDIR set, thanks to
+  Scottie Shore
+
+- When requesting server allocated remote ports (-R 0:host:port) print a
+  message informing what the port is, thanks to Ali Onur Uyar.
+
+- New version numbering scheme.
+
+Source repository has now migrated to Mercurial at 
+https://secure.ucc.asn.au/hg/dropbear/graph/default
+
+0.53.1 - Wednesday 2 March 2011
+
+- -lcrypt needs to be before object files for static linking
+
+- Compile fix when both client and agent forwarding are disabled
+
+- Fix DROPBEAR_PRNGD_SOCKET mode
+
+- Don't allow setting zlib memLevel since it seems buggy
+
+0.53 - Thurs 24 February 2011
+
+- Various performance/memory use improvements
+
+- Client agent forwarding now works, using OpenSSH's ssh-agent
+
+- Improve robustness of client multihop mode
+
+- Fix a prime generation bug in bundled libtommath. This is unlikely to have
+  generated any bad keys in the wild.
+  See 
+  https://bugzilla.redhat.com/show_bug.cgi?id=615088
+  http://bugs.gentoo.org/show_bug.cgi?id=328383
+  http://bugs.gentoo.org/show_bug.cgi?id=328409
+
+- Attempt to build against system libtomcrypt/libtommath if available. This
+  can be disabled with ./configure --enable-bundled-libtom
+
+- Make -K (keepalive) and -I (idle timeout) work together sensibly in the client.
+  The idle timeout is no longer reset by SSH_MSG_IGNORE packets.
+
+- Add diffie-hellman-group14-sha1 key exchange method
+
+- Compile fix if ENABLE_CLI_PROXYCMD is disabled
+
+- /usr/bin/X11/xauth is now the default path
+
+- Client remote forward (-L/-R) arguments now accept a listen address
+
+- In uClinux avoid trashing the parent process when a session exits
+
+- Blowfish is now disabled by default since it has large memory usage
+
+- Add option to change zlib windowbits/memlevel. Use less memory by default
+
+- DROPBEAR_SMALL_CODE is now disabled by default
+
+- SSH_ORIGINAL_COMMAND environment variable is set by the server when an
+  authorized_keys command is specified.
+
+- Set SSH_TTY and SSH_CONNECTION environment variables in the server
+
+- Client banner is now printed to standard error rather than standard output
+
+- Capitalisation in many log messages has been made consistent. This may affect
+  scripts that parse logfiles.
+
+0.52 - Wed 12 November 2008
+
+- Add "netcat-alike" option (-B) to dbclient, allowing Dropbear to tunnel
+  standard input/output to a TCP port-forwarded remote host.
+
+- Add "proxy command" support to dbclient, to allow using a spawned process for
+  IO rather than a direct TCP connection. eg
+	  dbclient remotehost
+  is equivalent to
+	  dbclient -J 'nc remotehost 22' remotehost
+  (the hostname is still provided purely for looking up saved host keys)
+
+- Combine netcat-alike and proxy support to allow "multihop" connections, with
+  comma-separated host syntax.  Allows running
+
+	  dbclient user1@host1,user2@host2,user3@host3
+
+  to end up at host3 via the other two, using SSH TCP forwarding. It's a bit
+  like onion-routing. All connections are established from the local machine.
+  The comma-separated syntax can also be used for scp/rsync, eg
+
+	  rsync -a -e dbclient m@gateway,m2@host,martello:/home/matt/ ~/backup/
+
+  to bounce through a few hosts.
+
+- Add -I "idle timeout" option (contributed by Farrell Aultman)
+
+- Allow restrictions on authorized_keys logins such as restricting commands
+  to be run etc. This is a subset of those allowed by OpenSSH, doesn't
+  yet allow restricting source host.
+
+- Use vfork() for scp on uClinux
+
+- Default to PATH=/usr/bin:/bin for shells.
+
+- Report errors if -R forwarding fails
+
+- Add counter mode cipher support, which avoids some security problems with the
+  standard CBC mode.
+
+- Support zlib@openssh.com delayed compression for client/server. It can be
+  required for the Dropbear server with the '-Z' option. This is useful for
+  security as it avoids exposing the server to attacks on zlib by
+  unauthenticated remote users, though requires client side support.
+
+- options.h has been split into options.h (user-changable) and sysoptions.h
+  (less commonly changed)
+
+- Support "dbclient -s sftp" to specify a subsystem
+
+- Fix a bug in replies to channel requests that could be triggered by recent
+  versions of PuTTY
+
+0.51 - Thu 27 March 2008
+
+- Make a copy of password fields rather erroneously relying on getwpnam()
+  to be safe to call multiple times
+
+- If $SSH_ASKPASS_ALWAYS environment variable is set (and $SSH_ASKPASS is
+  as well) always use that program, ignoring isatty() and $DISPLAY
+
+- Wait until a process exits before the server closes a connection, so
+  that an exit code can be sent. This fixes problems with exit codes not
+  being returned, which could cause scp to fail.
+
+0.50 - Wed 8 August 2007
+
+- Add DROPBEAR_PASSWORD environment variable to specify a dbclient password
+
+- Use /dev/urandom by default, since that's what everyone does anyway
+
+- Correct vfork() use for uClinux in scp
+  (thanks to Alex Landau)
+
+- Exit with an exit code of 1 if dropbear can't bind to any ports
+  (thanks to Nicolai Ehemann)
+
+- Improve network performance and add a -W <receive_window> argument for
+  adjusting the tradeoff between network performance and memory consumption.
+
+- Fix a problem where reply packets could be sent during key exchange,
+  in violation of the SSH spec. This could manifest itself with connections
+  being terminated after 8 hours with new TCP-forward connections being
+  established.
+
+- Add -K <keepalive_time> argument, ensuring that data is transmitted
+  over the connection at least every N seconds.
+
+- dropbearkey will no longer generate DSS keys of sizes other than 1024
+  bits, as required by the DSS specification. (Other sizes are still
+  accepted for use to provide backwards compatibility).
+
+0.49 - Fri 23 February 2007
+
+- Security: dbclient previously would prompt to confirm a 
+  mismatching hostkey but wouldn't warn loudly. It will now
+  exit upon a mismatch.
+
+- Compile fixes, make sure that all variable definitions are at the start
+  of a scope.
+
+- Added -P pidfile argument to the server (from Swen Schillig)
+
+- Add -N dbclient option for "no command"
+
+- Add -f dbclient option for "background after auth"
+
+- Add ability to limit binding to particular addresses, use 
+  -p [address:]port, patch from Max-Gerd Retzlaff.
+
+- Try to finally fix ss_family compilation problems (for old
+  glibc systems)
+
+- Fix finding relative-path server hostkeys when running daemonized
+
+- Use $HOME in preference to that from /etc/passwd, so that
+  dbclient can still work on broken systems.
+
+- Fix various issues found by Klocwork defect analysis, mostly memory leaks
+  and error-handling. Thanks to Klocwork for their service.
+
+- Improve building in a separate directory
+
+- Add compile-time LOG_COMMANDS option to log user commands
+
+- Add '-y' flag to dbclient to unconditionally accept host keys,
+  patch from Luciano Miguel Ferreira Rocha
+
+- Return immediately for "sleep 10 & echo foo", rather than waiting
+  for the sleep to return (pointed out by Rob Landley).
+  
+- Avoid hanging after exit in certain cases (such as scp)
+
+- Various minor fixes, in particular various leaks reported by
+  Erik Hovland
+  
+- Disable core dumps on startup
+
+- Don't erase over every single buffer, since it was a bottleneck.
+  On systems where it really matters, encrypted swap should be utilised.
+
+- Read /dev/[u]random only once at startup to conserve kernel entropy
+
+- Upgrade to LibTomCrypt 1.16 and LibTomMath 0.40
+
+- Upgrade config.status and config.guess 
+
 0.48.1 - Sat 11 March 2006
 
 - Compile fix for scp

INSTALL

@@ -24,7 +24,7 @@ See MULTI for instructions on making all-in-one binaries.
 
 If you want to compile statically, add "STATIC=1" to the make command-line.
 
-Binaries can be strippd with "make strip"
+Binaries can be stripped with "make strip"
 
 ============================================================================
 

LICENSE

@@ -8,7 +8,7 @@ The majority of code is written by Matt Johnston, under the license below.
 Portions of the client-mode work are (c) 2004 Mihnea Stoenescu, under the
 same license:
 
-Copyright (c) 2002-2004 Matt Johnston
+Copyright (c) 2002-2008 Matt Johnston
 Portions copyright (c) 2004 Mihnea Stoenescu
 All rights reserved.
 

Makefile.in

@@ -16,20 +16,27 @@ endif
 LTC=libtomcrypt/libtomcrypt.a
 LTM=libtommath/libtommath.a
 
+ifeq (@BUNDLED_LIBTOM@, 1)
+LIBTOM_DEPS=$(LTC) $(LTM)
+CFLAGS+=-I$(srcdir)/libtomcrypt/src/headers/ 
+LIBS+=$(LTC) $(LTM)
+endif
+
 COMMONOBJS=dbutil.o buffer.o \
 		dss.o bignum.o \
 		signkey.o rsa.o random.o \
 		queue.o \
-		atomicio.o compat.o  fake-rfc2553.o
+		atomicio.o compat.o  fake-rfc2553.o 
 
-SVROBJS=svr-kex.o svr-algo.o svr-auth.o sshpty.o \
-		svr-authpasswd.o svr-authpubkey.o svr-session.o svr-service.o \
+SVROBJS=svr-kex.o svr-auth.o sshpty.o \
+		svr-authpasswd.o svr-authpubkey.o svr-authpubkeyoptions.o svr-session.o svr-service.o \
 		svr-chansession.o svr-runopts.o svr-agentfwd.o svr-main.o svr-x11fwd.o\
 		svr-tcpfwd.o svr-authpam.o
 
-CLIOBJS=cli-algo.o cli-main.o cli-auth.o cli-authpasswd.o cli-kex.o \
-		cli-session.o cli-service.o cli-runopts.o cli-chansession.o \
-		cli-authpubkey.o cli-tcpfwd.o cli-channel.o cli-authinteract.o
+CLIOBJS=cli-main.o cli-auth.o cli-authpasswd.o cli-kex.o \
+		cli-session.o cli-runopts.o cli-chansession.o \
+		cli-authpubkey.o cli-tcpfwd.o cli-channel.o cli-authinteract.o \
+		cli-agentfwd.o list.o
 
 CLISVROBJS=common-session.o packet.o common-algo.o common-kex.o \
 			common-channel.o common-chansession.o termcodes.o loginrec.o \
@@ -40,7 +47,7 @@ KEYOBJS=dropbearkey.o gendss.o genrsa.o
 
 CONVERTOBJS=dropbearconvert.o keyimport.o
 
-SCPOBJS=scp.o progressmeter.o atomicio.o scpmisc.o
+SCPOBJS=scp.o progressmeter.o atomicio.o scpmisc.o compat.o
 
 HEADERS=options.h dbutil.h session.h packet.h algo.h ssh.h buffer.h kex.h \
 		dss.h bignum.h signkey.h rsa.h random.h service.h auth.h \
@@ -49,7 +56,7 @@ HEADERS=options.h dbutil.h session.h packet.h algo.h ssh.h buffer.h kex.h \
 		loginrec.h atomicio.h x11fwd.h agentfwd.h tcpfwd.h compat.h \
 		listener.h fake-rfc2553.h
 
-dropbearobjs=$(COMMONOBJS) $(CLISVROBJS) $(SVROBJS) 
+dropbearobjs=$(COMMONOBJS) $(CLISVROBJS) $(SVROBJS) @CRYPTLIB@ 
 dbclientobjs=$(COMMONOBJS) $(CLISVROBJS) $(CLIOBJS)
 dropbearkeyobjs=$(COMMONOBJS) $(KEYOBJS)
 dropbearconvertobjs=$(COMMONOBJS) $(CONVERTOBJS)
@@ -64,13 +71,13 @@ bindir=${exec_prefix}/bin
 sbindir=${exec_prefix}/sbin
 
 CC=@CC@
-LD=@LD@
 AR=@AR@
 RANLIB=@RANLIB@
 STRIP=@STRIP@
 INSTALL=@INSTALL@
-CFLAGS=-I. -I$(srcdir)/libtomcrypt/src/headers/ @CFLAGS@
-LIBS=$(LTC) $(LTM) @LIBS@
+CPPFLAGS=@CPPFLAGS@
+CFLAGS+=-I. -I$(srcdir) $(CPPFLAGS) @CFLAGS@
+LIBS+=@LIBS@
 LDFLAGS=@LDFLAGS@
 
 EXEEXT=@EXEEXT@
@@ -106,10 +113,6 @@ ifeq ($(SCPPROGRESS), 1)
 	CFLAGS+=-DPROGRESS_METER
 endif
 
-#%: $(HEADERS)
-#%: $(HEADERS) Makefile
-# TODO
-
 all: $(TARGETS)
 
 strip: $(TARGETS)
@@ -126,12 +129,14 @@ insdbmulti: dropbearmulti
 	-chgrp 0 $(DESTDIR)$(bindir)/dropbearmulti$(EXEEXT)
 
 insmultidropbear: dropbearmulti
+	$(INSTALL) -d -m 755 $(DESTDIR)$(sbindir)
 	-rm -f $(DESTDIR)$(sbindir)/dropbear$(EXEEXT)
-	-ln -s $(DESTDIR)$(bindir)/dropbearmulti$(EXEEXT) $(DESTDIR)$(sbindir)/dropbear$(EXEEXT) 
+	-ln -s $(bindir)/dropbearmulti$(EXEEXT) $(DESTDIR)$(sbindir)/dropbear$(EXEEXT) 
 
 insmulti%: dropbearmulti
+	$(INSTALL) -d -m 755 $(DESTDIR)$(bindir)
 	-rm -f $(DESTDIR)$(bindir)/$*$(EXEEXT) 
-	-ln -s $(DESTDIR)$(bindir)/dropbearmulti$(EXEEXT) $(DESTDIR)$(bindir)/$*$(EXEEXT) 
+	-ln -s $(bindir)/dropbearmulti$(EXEEXT) $(DESTDIR)$(bindir)/$*$(EXEEXT) 
 
 # dropbear should go in sbin, so it needs a seperate rule
 inst_dropbear: dropbear
@@ -153,26 +158,25 @@ dbclient: $(dbclientobjs)
 dropbearkey: $(dropbearkeyobjs)
 dropbearconvert: $(dropbearconvertobjs)
 
-dropbear dbclient dropbearkey dropbearconvert: $(HEADERS)  $(LTC) $(LTM) \
-													Makefile
-	$(LD) $(LDFLAGS) -o $@$(EXEEXT) $($@objs) $(LIBS)
+dropbear dbclient dropbearkey dropbearconvert: $(HEADERS) $(LIBTOM_DEPS) Makefile
+	$(CC) $(LDFLAGS) -o $@$(EXEEXT) $($@objs) $(LIBS)
 
 # scp doesn't use the libs so is special.
 scp: $(SCPOBJS)  $(HEADERS) Makefile
-	$(LD) $(LDFLAGS) -o $@$(EXEEXT) $(SCPOBJS)
+	$(CC) $(LDFLAGS) -o $@$(EXEEXT) $(SCPOBJS)
 
 
 # multi-binary compilation.
 MULTIOBJS=
 ifeq ($(MULTI),1)
-	MULTIOBJS=dbmulti.o $(sort $(foreach prog, $(PROGRAMS), $($(prog)objs)))
+	MULTIOBJS=dbmulti.o $(sort $(foreach prog, $(PROGRAMS), $($(prog)objs))) @CRYPTLIB@ 
 	CFLAGS+=$(addprefix -DDBMULTI_, $(PROGRAMS)) -DDROPBEAR_MULTI
 endif
 
 dropbearmulti: multilink 
 
-multibinary: $(HEADERS) $(MULTIOBJS) $(LTC) $(LTM) Makefile
-	$(LD) $(LDFLAGS) -o dropbearmulti$(EXEEXT) $(MULTIOBJS) $(LIBS)
+multibinary: $(HEADERS) $(MULTIOBJS) $(LIBTOM_DEPS) Makefile
+	$(CC) $(LDFLAGS) -o dropbearmulti$(EXEEXT) $(MULTIOBJS) $(LIBS)
 
 multilink: multibinary $(addprefix link, $(PROGRAMS))
 
@@ -186,6 +190,8 @@ $(LTC): options.h
 $(LTM): options.h
 	cd libtommath && $(MAKE)
 
+.PHONY : clean sizes thisclean distclean tidy ltc-clean ltm-clean
+
 ltc-clean:
 	cd libtomcrypt && $(MAKE) clean
 

README

@@ -1,4 +1,5 @@
 This is Dropbear, a smallish SSH 2 server and client.
+https://matt.ucc.asn.au/dropbear/dropbear.html
 
 INSTALL has compilation instructions.
 
@@ -27,8 +28,7 @@ ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEAwVa6M6cGVmUcLl2cFzkxEoJd06Ub4bVDsYrWvXhvUV+Z
 You must make sure that ~/.ssh, and the key file, are only writable by the
 user. Beware of editors that split the key into multiple lines.
 
-NOTE: Dropbear ignores authorized_keys options such as those described in the
-OpenSSH sshd manpage, and will not allow a login for these keys. 
+Dropbear supports some options for authorized_keys entries, see the manpage.
 
 ============================================================================
 

agentfwd.h

@@ -23,21 +23,41 @@
  * SOFTWARE. */
 #ifndef _AGENTFWD_H_
 #define _AGENTFWD_H_
-#ifndef DISABLE_AGENTFWD
 
 #include "includes.h"
 #include "chansession.h"
 #include "channel.h"
+#include "auth.h"
+#include "list.h"
 
-int agentreq(struct ChanSess * chansess);
-void agentsetauth(struct ChanSess *chansess);
-void agentcleanup(struct ChanSess * chansess);
-void agentset(struct ChanSess *chansess);
+#ifdef ENABLE_CLI_AGENTFWD
+
+/* An agent reply can be reasonably large, as it can
+ * contain a list of all public keys held by the agent.
+ * 10000 is arbitrary */
+#define MAX_AGENT_REPLY  10000
+
+/* client functions */
+void cli_load_agent_keys(m_list * ret_list);
+void agent_buf_sign(buffer *sigblob, sign_key *key, 
+    const unsigned char *data, unsigned int len);
+void cli_setup_agent(struct Channel *channel);
 
 #ifdef __hpux
 #define seteuid(a)       setresuid(-1, (a), -1)
 #define setegid(a)       setresgid(-1, (a), -1)
 #endif
 
-#endif /* DROPBEAR_AGENTFWD */
+extern const struct ChanType cli_chan_agent;
+
+#endif /* ENABLE_CLI_AGENTFWD */
+
+#ifdef ENABLE_SVR_AGENTFWD
+
+int svr_agentreq(struct ChanSess * chansess);
+void svr_agentcleanup(struct ChanSess * chansess);
+void svr_agentset(struct ChanSess *chansess);
+
+#endif /* ENABLE_SVR_AGENTFWD */
+
 #endif /* _AGENTFWD_H_ */

algo.h

@@ -29,13 +29,18 @@
 #include "includes.h"
 #include "buffer.h"
 
+#define DROPBEAR_MODE_UNUSED 0
+#define DROPBEAR_MODE_CBC 1
+#define DROPBEAR_MODE_CTR 2
+
 struct Algo_Type {
 
 	unsigned char *name; /* identifying name */
 	char val; /* a value for this cipher, or -1 for invalid */
-	void *data; /* algorithm specific data */
-	unsigned usable : 1; /* whether we can use this algorithm */
-
+	const void *data; /* algorithm specific data */
+	char usable; /* whether we can use this algorithm */
+	const void *mode; /* the mode, currently only used for ciphers,
+						 points to a 'struct dropbear_cipher_mode' */
 };
 
 typedef struct Algo_Type algo_type;
@@ -45,9 +50,11 @@ extern algo_type sshkex[];
 extern algo_type sshhostkey[];
 extern algo_type sshciphers[];
 extern algo_type sshhashes[];
-extern algo_type sshcompress[];
+extern algo_type ssh_compress[];
+extern algo_type ssh_nocompress[];
 
 extern const struct dropbear_cipher dropbear_nocipher;
+extern const struct dropbear_cipher_mode dropbear_mode_none;
 extern const struct dropbear_hash dropbear_nohash;
 
 struct dropbear_cipher {
@@ -56,6 +63,16 @@ struct dropbear_cipher {
 	unsigned char blocksize;
 };
 
+struct dropbear_cipher_mode {
+	int (*start)(int cipher, const unsigned char *IV, 
+			const unsigned char *key, 
+			int keylen, int num_rounds, void *cipher_state);
+	int (*encrypt)(const unsigned char *pt, unsigned char *ct, 
+			unsigned long len, void *cipher_state);
+	int (*decrypt)(const unsigned char *ct, unsigned char *pt, 
+			unsigned long len, void *cipher_state);
+};
+
 struct dropbear_hash {
 	const struct ltc_hash_descriptor *hashdesc;
 	unsigned long keysize;
@@ -66,9 +83,24 @@ void crypto_init();
 int have_algo(char* algo, size_t algolen, algo_type algos[]);
 void buf_put_algolist(buffer * buf, algo_type localalgos[]);
 
-algo_type * svr_buf_match_algo(buffer* buf, algo_type localalgos[],
-		int *goodguess);
-algo_type * cli_buf_match_algo(buffer* buf, algo_type localalgos[],
-		int *goodguess);
+enum kexguess2_used {
+	KEXGUESS2_LOOK,
+	KEXGUESS2_NO,
+	KEXGUESS2_YES,
+};
+
+#define KEXGUESS2_ALGO_NAME "kexguess2@matt.ucc.asn.au"
+#define KEXGUESS2_ALGO_ID 99
+
+
+algo_type * buf_match_algo(buffer* buf, algo_type localalgos[],
+		enum kexguess2_used *kexguess2, int *goodguess);
+
+#ifdef ENABLE_USER_ALGO_LIST
+int check_user_algos(const char* user_algo_list, algo_type * algos, 
+		const char *algo_desc);
+char * algolist_string(algo_type algos[]);
+#endif
+
 
 #endif /* _ALGO_H_ */

auth.h

@@ -26,6 +26,8 @@
 #define _AUTH_H_
 
 #include "includes.h"
+#include "signkey.h"
+#include "chansession.h"
 
 void svr_authinitialise();
 void cli_authinitialise();
@@ -38,6 +40,25 @@ void svr_auth_password();
 void svr_auth_pubkey();
 void svr_auth_pam();
 
+#ifdef ENABLE_SVR_PUBKEY_OPTIONS
+int svr_pubkey_allows_agentfwd();
+int svr_pubkey_allows_tcpfwd();
+int svr_pubkey_allows_x11fwd();
+int svr_pubkey_allows_pty();
+void svr_pubkey_set_forced_command(struct ChanSess *chansess);
+void svr_pubkey_options_cleanup();
+int svr_add_pubkey_options(buffer *options_buf, int line_num, const char* filename);
+#else
+/* no option : success */
+#define svr_pubkey_allows_agentfwd() 1
+#define svr_pubkey_allows_tcpfwd() 1
+#define svr_pubkey_allows_x11fwd() 1
+#define svr_pubkey_allows_pty() 1
+static inline void svr_pubkey_set_forced_command(struct ChanSess *chansess) { }
+static inline void svr_pubkey_options_cleanup() { }
+#define svr_add_pubkey_options(x,y,z) DROPBEAR_SUCCESS
+#endif
+
 /* Client functions */
 void recv_msg_userauth_failure();
 void recv_msg_userauth_success();
@@ -46,13 +67,14 @@ void recv_msg_userauth_pk_ok();
 void recv_msg_userauth_info_request();
 void cli_get_user();
 void cli_auth_getmethods();
-void cli_auth_try();
+int cli_auth_try();
 void recv_msg_userauth_banner();
 void cli_pubkeyfail();
 void cli_auth_password();
 int cli_auth_pubkey();
 void cli_auth_interactive();
-char* getpass_or_cancel();
+char* getpass_or_cancel(char* prompt);
+void cli_auth_pubkey_cleanup();
 
 
 #define MAX_USERNAME_LEN 25 /* arbitrary for the moment */
@@ -77,7 +99,6 @@ char* getpass_or_cancel();
  * relatively little extraneous bits when used for the client rather than the
  * server */
 struct AuthState {
-
 	char *username; /* This is the username the client presents to check. It
 					   is updated each run through, used for auth checking */
 	unsigned char authtypes; /* Flags indicating which auth types are still 
@@ -91,21 +112,28 @@ struct AuthState {
 							   logged. */
 
 	/* These are only used for the server */
-	char *printableuser; /* stripped of control chars, used for logs etc */
-	struct passwd * pw;
-
+	uid_t pw_uid;
+	gid_t pw_gid;
+	char *pw_dir;
+	char *pw_shell;
+	char *pw_name;
+	char *pw_passwd;
+#ifdef ENABLE_SVR_PUBKEY_OPTIONS
+	struct PubKeyOptions* pubkey_options;
+#endif
 };
 
-struct SignKeyList;
-/* A singly linked list of signing keys */
-struct SignKeyList {
-
-	sign_key *key;
-	int type; /* The type of key */
-	struct SignKeyList *next;
-	/* filename? or the buffer? for encrypted keys, so we can later get
-	 * the private key portion */
-
+#ifdef ENABLE_SVR_PUBKEY_OPTIONS
+struct PubKeyOptions;
+struct PubKeyOptions {
+	/* Flags */
+	int no_port_forwarding_flag;
+	int no_agent_forwarding_flag;
+	int no_x11_forwarding_flag;
+	int no_pty_flag;
+	/* "command=" option. */
+	unsigned char * forced_command;
 };
+#endif
 
 #endif /* _AUTH_H_ */

bignum.c

@@ -31,7 +31,7 @@
 void m_mp_init(mp_int *mp) {
 
 	if (mp_init(mp) != MP_OKAY) {
-		dropbear_exit("mem alloc error");
+		dropbear_exit("Mem alloc error");
 	}
 }
 
@@ -45,7 +45,7 @@ void m_mp_init_multi(mp_int *mp, ...)
     va_start(args, mp);        /* init args to next argument from caller */
     while (cur_arg != NULL) {
         if (mp_init(cur_arg) != MP_OKAY) {
-			dropbear_exit("mem alloc error");
+			dropbear_exit("Mem alloc error");
         }
         cur_arg = va_arg(args, mp_int*);
     }
@@ -55,7 +55,7 @@ void m_mp_init_multi(mp_int *mp, ...)
 void bytes_to_mp(mp_int *mp, const unsigned char* bytes, unsigned int len) {
 
 	if (mp_read_unsigned_bin(mp, (unsigned char*)bytes, len) != MP_OKAY) {
-		dropbear_exit("mem alloc error");
+		dropbear_exit("Mem alloc error");
 	}
 }
 

bignum.h

@@ -26,9 +26,10 @@
 #define _BIGNUM_H_
 
 #include "includes.h"
+#include "dbutil.h"
 
 void m_mp_init(mp_int *mp);
-void m_mp_init_multi(mp_int *mp, ...);
+void m_mp_init_multi(mp_int *mp, ...) ATTRIB_SENTINEL;
 void bytes_to_mp(mp_int *mp, const unsigned char* bytes, unsigned int len);
 void sha1_process_mp(hash_state *hs, mp_int *mp);
 

buffer.c

@@ -106,7 +106,7 @@ buffer* buf_newcopy(buffer* buf) {
 /* Set the length of the buffer */
 void buf_setlen(buffer* buf, unsigned int len) {
 	if (len > buf->size) {
-		dropbear_exit("bad buf_setlen");
+		dropbear_exit("Bad buf_setlen");
 	}
 	buf->len = len;
 }
@@ -114,7 +114,7 @@ void buf_setlen(buffer* buf, unsigned int len) {
 /* Increment the length of the buffer */
 void buf_incrlen(buffer* buf, unsigned int incr) {
 	if (incr > BUF_MAX_INCR || buf->len + incr > buf->size) {
-		dropbear_exit("bad buf_incrlen");
+		dropbear_exit("Bad buf_incrlen");
 	}
 	buf->len += incr;
 }
@@ -122,7 +122,7 @@ void buf_incrlen(buffer* buf, unsigned int incr) {
 void buf_setpos(buffer* buf, unsigned int pos) {
 
 	if (pos > buf->len) {
-		dropbear_exit("bad buf_setpos");
+		dropbear_exit("Bad buf_setpos");
 	}
 	buf->pos = pos;
 }
@@ -130,7 +130,7 @@ void buf_setpos(buffer* buf, unsigned int pos) {
 /* increment the postion by incr, increasing the buffer length if required */
 void buf_incrwritepos(buffer* buf, unsigned int incr) {
 	if (incr > BUF_MAX_INCR || buf->pos + incr > buf->size) {
-		dropbear_exit("bad buf_incrwritepos");
+		dropbear_exit("Bad buf_incrwritepos");
 	}
 	buf->pos += incr;
 	if (buf->pos > buf->len) {
@@ -144,7 +144,7 @@ void buf_incrpos(buffer* buf,  int incr) {
 	if (incr > BUF_MAX_INCR ||
 			(unsigned int)((int)buf->pos + incr) > buf->len 
 			|| ((int)buf->pos + incr) < 0) {
-		dropbear_exit("bad buf_incrpos");
+		dropbear_exit("Bad buf_incrpos");
 	}
 	buf->pos += incr;
 }
@@ -155,7 +155,7 @@ unsigned char buf_getbyte(buffer* buf) {
 	/* This check is really just ==, but the >= allows us to check for the
 	 * bad case of pos > len, which should _never_ happen. */
 	if (buf->pos >= buf->len) {
-		dropbear_exit("bad buf_getbyte");
+		dropbear_exit("Bad buf_getbyte");
 	}
 	return buf->data[buf->pos++];
 }
@@ -185,7 +185,7 @@ void buf_putbyte(buffer* buf, unsigned char val) {
 unsigned char* buf_getptr(buffer* buf, unsigned int len) {
 
 	if (buf->pos + len > buf->len) {
-		dropbear_exit("bad buf_getptr");
+		dropbear_exit("Bad buf_getptr");
 	}
 	return &buf->data[buf->pos];
 }
@@ -195,7 +195,7 @@ unsigned char* buf_getptr(buffer* buf, unsigned int len) {
 unsigned char* buf_getwriteptr(buffer* buf, unsigned int len) {
 
 	if (buf->pos + len > buf->size) {
-		dropbear_exit("bad buf_getwriteptr");
+		dropbear_exit("Bad buf_getwriteptr");
 	}
 	return &buf->data[buf->pos];
 }
@@ -209,7 +209,7 @@ unsigned char* buf_getstring(buffer* buf, unsigned int *retlen) {
 	unsigned char* ret;
 	len = buf_getint(buf);
 	if (len > MAX_STRING_LEN) {
-		dropbear_exit("string too long");
+		dropbear_exit("String too long");
 	}
 
 	if (retlen != NULL) {
@@ -223,6 +223,20 @@ unsigned char* buf_getstring(buffer* buf, unsigned int *retlen) {
 	return ret;
 }
 
+/* Return a string as a newly allocated buffer */
+buffer * buf_getstringbuf(buffer *buf) {
+	buffer *ret;
+	unsigned char* str;
+	unsigned int len;
+	str = buf_getstring(buf, &len);
+	ret = m_malloc(sizeof(*ret));
+	ret->data = str;
+	ret->len = len;
+	ret->size = len;
+	ret->pos = 0;
+	return ret;
+}
+
 /* Just increment the buffer position the same as if we'd used buf_getstring,
  * but don't bother copying/malloc()ing for it */
 void buf_eatstring(buffer *buf) {
@@ -268,7 +282,7 @@ void buf_putbytes(buffer *buf, const unsigned char *bytes, unsigned int len) {
 void buf_putmpint(buffer* buf, mp_int * mp) {
 
 	unsigned int len, pad = 0;
-	TRACE(("enter buf_putmpint"))
+	TRACE2(("enter buf_putmpint"))
 
 	dropbear_assert(mp != NULL);
 
@@ -304,7 +318,7 @@ void buf_putmpint(buffer* buf, mp_int * mp) {
 		buf_incrwritepos(buf, len-pad);
 	}
 
-	TRACE(("leave buf_putmpint"))
+	TRACE2(("leave buf_putmpint"))
 }
 
 /* Retrieve an mp_int from the buffer.

buffer.h

@@ -55,6 +55,7 @@ void buf_putbyte(buffer* buf, unsigned char val);
 unsigned char* buf_getptr(buffer* buf, unsigned int len);
 unsigned char* buf_getwriteptr(buffer* buf, unsigned int len);
 unsigned char* buf_getstring(buffer* buf, unsigned int *retlen);
+buffer * buf_getstringbuf(buffer *buf);
 void buf_eatstring(buffer *buf);
 void buf_putint(buffer* buf, unsigned int val);
 void buf_putstring(buffer* buf, const unsigned char* str, unsigned int len);

channel.h

@@ -45,16 +45,8 @@
 /* Not a real type */
 #define SSH_OPEN_IN_PROGRESS					99
 
-#define MAX_CHANNELS 100 /* simple mem restriction, includes each tcp/x11
-							connection, so can't be _too_ small */
-
 #define CHAN_EXTEND_SIZE 3 /* how many extra slots to add when we need more */
 
-#define RECV_MAXWINDOW 8000 /* tweak */
-#define RECV_WINDOWEXTEND 1000 /* We send a "window extend" every
-								RECV_WINDOWEXTEND bytes */
-#define RECV_MAXPACKET RECV_MAXWINDOW /* tweak */
-
 struct ChanType;
 
 struct Channel {
@@ -66,17 +58,21 @@ struct Channel {
 	unsigned int recvmaxpacket, transmaxpacket;
 	void* typedata; /* a pointer to type specific data */
 	int writefd; /* read from wire, written to insecure side */
-	int readfd; /* read from insecure size, written to wire */
+	int readfd; /* read from insecure side, written to wire */
 	int errfd; /* used like writefd or readfd, depending if it's client or server.
 				  Doesn't exactly belong here, but is cleaner here */
-	circbuffer *writebuf; /* data from the wire, for local consumption */
+	circbuffer *writebuf; /* data from the wire, for local consumption. Can be
+							 initially NULL */
 	circbuffer *extrabuf; /* extended-data for the program - used like writebuf
 					     but for stderr */
 
-	int sentclosed, recvclosed;
+	/* whether close/eof messages have been exchanged */
+	int sent_close, recv_close;
+	int recv_eof, sent_eof;
 
-	/* this is set when we receive/send a channel eof packet */
-	int recveof, senteof;
+	/* Set after running the ChanType-specific close hander
+	 * to ensure we don't run it twice (nor type->checkclose()). */
+	int close_handler_done;
 
 	int initconn; /* used for TCP forwarding, whether the channel has been
 					 fully initialised */
@@ -85,8 +81,12 @@ struct Channel {
 					   for this channel (and are awaiting a confirmation
 					   or failure). */
 
-	const struct ChanType* type;
+	int flushing;
 
+	/* Used by client chansession to handle ~ escaping, NULL ignored otherwise */
+	void (*read_mangler)(struct Channel*, unsigned char* bytes, int *len);
+
+	const struct ChanType* type;
 };
 
 struct ChanType {
@@ -94,7 +94,7 @@ struct ChanType {
 	int sepfds; /* Whether this channel has seperate pipes for in/out or not */
 	char *name;
 	int (*inithandler)(struct Channel*);
-	int (*checkclose)(struct Channel*);
+	int (*check_close)(struct Channel*);
 	void (*reqhandler)(struct Channel*);
 	void (*closehandler)(struct Channel*);
 
@@ -105,9 +105,6 @@ void chancleanup();
 void setchannelfds(fd_set *readfd, fd_set *writefd);
 void channelio(fd_set *readfd, fd_set *writefd);
 struct Channel* getchannel();
-struct Channel* newchannel(unsigned int remotechan, 
-		const struct ChanType *type, 
-		unsigned int transwindow, unsigned int transmaxpacket);
 
 void recv_msg_channel_open();
 void recv_msg_channel_request();

chansession.h

@@ -50,6 +50,10 @@ struct ChanSess {
 
 	/* exit details */
 	struct exitinfo exit;
+
+	/* Used to set $SSH_CONNECTION in the child session. 
+	Is only set temporarily before forking */
+	char *connection_string;
 	
 #ifndef DISABLE_X11FWD
 	struct Listener * x11listener;
@@ -60,11 +64,15 @@ struct ChanSess {
 	unsigned char x11singleconn;
 #endif
 
-#ifndef DISABLE_AGENTFWD
+#ifdef ENABLE_SVR_AGENTFWD
 	struct Listener * agentlistener;
 	char * agentfile;
 	char * agentdir;
 #endif
+
+#ifdef ENABLE_SVR_PUBKEY_OPTIONS
+	char *original_command;
+#endif
 };
 
 struct ChildPid {
@@ -78,6 +86,10 @@ void addnewvar(const char* param, const char* var);
 void cli_send_chansess_request();
 void cli_tty_cleanup();
 void cli_chansess_winchange();
+#ifdef ENABLE_CLI_NETCAT
+void cli_send_netcat_request();
+#endif
+void cli_start_send_channel_request(struct Channel *channel, unsigned char *type);
 
 void svr_chansessinitialise();
 extern const struct ChanType svrchansess;

circbuffer.c

@@ -33,11 +33,13 @@ circbuffer * cbuf_new(unsigned int size) {
 	circbuffer *cbuf = NULL;
 
 	if (size > MAX_CBUF_SIZE) {
-		dropbear_exit("bad cbuf size");
+		dropbear_exit("Bad cbuf size");
 	}
 
 	cbuf = (circbuffer*)m_malloc(sizeof(circbuffer));
-	cbuf->data = (unsigned char*)m_malloc(size);
+	if (size > 0) {
+		cbuf->data = (unsigned char*)m_malloc(size);
+	}
 	cbuf->used = 0;
 	cbuf->readpos = 0;
 	cbuf->writepos = 0;
@@ -48,6 +50,7 @@ circbuffer * cbuf_new(unsigned int size) {
 
 void cbuf_free(circbuffer * cbuf) {
 
+	m_burn(cbuf->data, cbuf->size);
 	m_free(cbuf->data);
 	m_free(cbuf);
 }
@@ -101,7 +104,7 @@ unsigned int cbuf_writelen(circbuffer *cbuf) {
 
 unsigned char* cbuf_readptr(circbuffer *cbuf, unsigned int len) {
 	if (len > cbuf_readlen(cbuf)) {
-		dropbear_exit("bad cbuf read");
+		dropbear_exit("Bad cbuf read");
 	}
 
 	return &cbuf->data[cbuf->readpos];
@@ -110,7 +113,7 @@ unsigned char* cbuf_readptr(circbuffer *cbuf, unsigned int len) {
 unsigned char* cbuf_writeptr(circbuffer *cbuf, unsigned int len) {
 
 	if (len > cbuf_writelen(cbuf)) {
-		dropbear_exit("bad cbuf write");
+		dropbear_exit("Bad cbuf write");
 	}
 
 	return &cbuf->data[cbuf->writepos];
@@ -118,7 +121,7 @@ unsigned char* cbuf_writeptr(circbuffer *cbuf, unsigned int len) {
 
 void cbuf_incrwrite(circbuffer *cbuf, unsigned int len) {
 	if (len > cbuf_writelen(cbuf)) {
-		dropbear_exit("bad cbuf write");
+		dropbear_exit("Bad cbuf write");
 	}
 
 	cbuf->used += len;
@@ -129,7 +132,7 @@ void cbuf_incrwrite(circbuffer *cbuf, unsigned int len) {
 
 void cbuf_incrread(circbuffer *cbuf, unsigned int len) {
 	if (len > cbuf_readlen(cbuf)) {
-		dropbear_exit("bad cbuf read");
+		dropbear_exit("Bad cbuf read");
 	}
 
 	dropbear_assert(cbuf->used >= len);

cli-agentfwd.c

@@ -0,0 +1,309 @@
+/*
+ * Dropbear - a SSH2 server
+ * 
+ * Copyright (c) 2005 Matt Johnston
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE. */
+
+#include "includes.h"
+
+#ifdef ENABLE_CLI_AGENTFWD
+
+#include "agentfwd.h"
+#include "session.h"
+#include "ssh.h"
+#include "dbutil.h"
+#include "chansession.h"
+#include "channel.h"
+#include "packet.h"
+#include "buffer.h"
+#include "random.h"
+#include "listener.h"
+#include "runopts.h"
+#include "atomicio.h"
+#include "signkey.h"
+#include "auth.h"
+
+/* The protocol implemented to talk to OpenSSH's SSH2 agent is documented in
+   PROTOCOL.agent in recent OpenSSH source distributions (5.1p1 has it). */
+
+static int new_agent_chan(struct Channel * channel);
+
+const struct ChanType cli_chan_agent = {
+	0, /* sepfds */
+	"auth-agent@openssh.com",
+	new_agent_chan,
+	NULL,
+	NULL,
+	NULL
+};
+
+static int connect_agent() {
+
+	int fd = -1;
+	char* agent_sock = NULL;
+
+	agent_sock = getenv("SSH_AUTH_SOCK");
+	if (agent_sock == NULL)
+		return -1;
+
+	fd = connect_unix(agent_sock);
+
+	if (fd < 0) {
+		dropbear_log(LOG_INFO, "Failed to connect to agent");
+	}
+
+	return fd;
+}
+
+// handle a request for a connection to the locally running ssh-agent
+// or forward.
+static int new_agent_chan(struct Channel * channel) {
+
+	int fd = -1;
+
+	if (!cli_opts.agent_fwd)
+		return SSH_OPEN_ADMINISTRATIVELY_PROHIBITED;
+
+	fd = connect_agent();
+	if (fd < 0) {
+		return SSH_OPEN_CONNECT_FAILED;
+	}
+
+	setnonblocking(fd);
+
+	ses.maxfd = MAX(ses.maxfd, fd);
+
+	channel->readfd = fd;
+	channel->writefd = fd;
+
+	// success
+	return 0;
+}
+
+/* Sends a request to the agent, returning a newly allocated buffer
+ * with the response */
+/* This function will block waiting for a response - it will
+ * only be used by client authentication (not for forwarded requests)
+ * won't cause problems for interactivity. */
+/* Packet format (from draft-ylonen)
+   4 bytes     Length, msb first.  Does not include length itself.
+   1 byte      Packet type.  The value 255 is reserved for future extensions.
+   data        Any data, depending on packet type.  Encoding as in the ssh packet
+               protocol.
+*/
+static buffer * agent_request(unsigned char type, buffer *data) {
+
+	buffer * payload = NULL;
+	buffer * inbuf = NULL;
+	size_t readlen = 0;
+	ssize_t ret;
+	const int fd = cli_opts.agent_fd;
+	unsigned int data_len = 0;
+	if (data)
+	{
+		data_len = data->len;
+	}
+
+	payload = buf_new(4 + 1 + data_len);
+
+	buf_putint(payload, 1 + data_len);
+	buf_putbyte(payload, type);
+	if (data) {
+		buf_putbytes(payload, data->data, data->len);
+	}
+	buf_setpos(payload, 0);
+
+	ret = atomicio(write, fd, buf_getptr(payload, payload->len), payload->len);
+	if ((size_t)ret != payload->len) {
+		TRACE(("write failed fd %d for agent_request, %s", fd, strerror(errno)))
+		goto out;
+	}
+
+	buf_free(payload);
+	payload = NULL;
+	TRACE(("Wrote out bytes for agent_request"))
+	/* Now we read the response */
+	inbuf = buf_new(4);
+	ret = atomicio(read, fd, buf_getwriteptr(inbuf, 4), 4);
+	if (ret != 4) {
+		TRACE(("read of length failed for agent_request"))
+		goto out;
+	}
+	buf_setpos(inbuf, 0);
+	buf_setlen(inbuf, ret);
+
+	readlen = buf_getint(inbuf);
+	if (readlen > MAX_AGENT_REPLY) {
+		TRACE(("agent reply is too big"));
+		goto out;
+	}
+	
+	buf_resize(inbuf, readlen);
+	buf_setpos(inbuf, 0);
+	ret = atomicio(read, fd, buf_getwriteptr(inbuf, readlen), readlen);
+	if ((size_t)ret != readlen) {
+		TRACE(("read of data failed for agent_request"))
+		goto out;
+	}
+	buf_incrwritepos(inbuf, readlen);
+	buf_setpos(inbuf, 0);
+
+out:
+	if (payload)
+		buf_free(payload);
+
+	return inbuf;
+}
+
+static void agent_get_key_list(m_list * ret_list)
+{
+	buffer * inbuf = NULL;
+	unsigned int num = 0;
+	unsigned char packet_type;
+	unsigned int i;
+	int ret;
+
+	inbuf = agent_request(SSH2_AGENTC_REQUEST_IDENTITIES, NULL);
+	if (!inbuf) {
+		TRACE(("agent_request failed returning identities"))
+		goto out;
+	}
+
+	/* The reply has a format of:
+		byte			SSH2_AGENT_IDENTITIES_ANSWER
+		uint32			num_keys
+  	   Followed by zero or more consecutive keys, encoded as:
+       	 string			key_blob
+    	 string			key_comment
+	 */
+	packet_type = buf_getbyte(inbuf);
+	if (packet_type != SSH2_AGENT_IDENTITIES_ANSWER) {
+		goto out;
+	}
+
+	num = buf_getint(inbuf);
+	for (i = 0; i < num; i++) {
+		sign_key * pubkey = NULL;
+		int key_type = DROPBEAR_SIGNKEY_ANY;
+		buffer * key_buf;
+
+		/* each public key is encoded as a string */
+		key_buf = buf_getstringbuf(inbuf);
+		pubkey = new_sign_key();
+		ret = buf_get_pub_key(key_buf, pubkey, &key_type);
+		buf_free(key_buf);
+		if (ret != DROPBEAR_SUCCESS) {
+			/* This is slack, properly would cleanup vars etc */
+			dropbear_exit("Bad pubkey received from agent");
+		}
+		pubkey->type = key_type;
+		pubkey->source = SIGNKEY_SOURCE_AGENT;
+
+		list_append(ret_list, pubkey);
+
+		/* We'll ignore the comment for now. might want it later.*/
+		buf_eatstring(inbuf);
+	}
+
+out:
+	if (inbuf) {
+		buf_free(inbuf);
+		inbuf = NULL;
+	}
+}
+
+void cli_setup_agent(struct Channel *channel) {
+	if (!getenv("SSH_AUTH_SOCK")) {
+		return;
+	}
+	
+	cli_start_send_channel_request(channel, "auth-agent-req@openssh.com");
+	/* Don't want replies */
+	buf_putbyte(ses.writepayload, 0);
+	encrypt_packet();
+}
+
+/* Returned keys are prepended to ret_list, which will
+   be updated. */
+void cli_load_agent_keys(m_list *ret_list) {
+	/* agent_fd will be closed after successful auth */
+	cli_opts.agent_fd = connect_agent();
+	if (cli_opts.agent_fd < 0) {
+		return;
+	}
+
+	agent_get_key_list(ret_list);
+}
+
+void agent_buf_sign(buffer *sigblob, sign_key *key, 
+		const unsigned char *data, unsigned int len) {
+	buffer *request_data = NULL;
+	buffer *response = NULL;
+	unsigned int siglen;
+	int packet_type;
+	
+	/* Request format
+	byte			SSH2_AGENTC_SIGN_REQUEST
+	string			key_blob
+	string			data
+	uint32			flags
+	*/
+	request_data = buf_new(MAX_PUBKEY_SIZE + len + 12);
+	buf_put_pub_key(request_data, key, key->type);
+	
+	buf_putstring(request_data, data, len);
+	buf_putint(request_data, 0);
+	
+	response = agent_request(SSH2_AGENTC_SIGN_REQUEST, request_data);
+	
+	if (!response) {
+		goto fail;
+	}
+	
+	packet_type = buf_getbyte(response);
+	if (packet_type != SSH2_AGENT_SIGN_RESPONSE) {
+		goto fail;
+	}
+	
+	/* Response format
+	byte			SSH2_AGENT_SIGN_RESPONSE
+	string			signature_blob
+	*/
+	siglen = buf_getint(response);
+	buf_putbytes(sigblob, buf_getptr(response, siglen), siglen);
+	goto cleanup;
+	
+fail:
+	/* XXX don't fail badly here. instead propagate a failure code back up to
+	   the cli auth pubkey code, and just remove this key from the list of 
+	   ones to try. */
+	dropbear_exit("Agent failed signing key");
+
+cleanup:
+	if (request_data) {
+		buf_free(request_data);
+	}
+	if (response) {
+		buf_free(response);
+	}
+}
+
+#endif

cli-algo.c

@@ -1,99 +0,0 @@
-/*
- * Dropbear - a SSH2 server
- * SSH client implementation
- * 
- * Copyright (c) 2002,2003 Matt Johnston
- * Copyright (c) 2004 by Mihnea Stoenescu
- * All rights reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE. */
-
-#include "algo.h"
-#include "dbutil.h"
-
-
-/*
- * The chosen [encryption | MAC | compression] algorithm to each 
- * direction MUST be the first algorithm  on the client's list
- * that is also on the server's list.
- */
-algo_type * cli_buf_match_algo(buffer* buf, algo_type localalgos[],
-		int *goodguess) {
-
-	unsigned char * algolist = NULL;
-	unsigned char * remotealgos[MAX_PROPOSED_ALGO];
-	unsigned int len;
-	unsigned int count, i, j;
-	algo_type * ret = NULL;
-
-	*goodguess = 0;
-
-	/* get the comma-separated list from the buffer ie "algo1,algo2,algo3" */
-	algolist = buf_getstring(buf, &len);
-	TRACE(("cli_buf_match_algo: %s", algolist))
-	if (len > MAX_PROPOSED_ALGO*(MAX_NAME_LEN+1)) {
-		goto out; /* just a sanity check, no other use */
-	}
-
-	/* remotealgos will contain a list of the strings parsed out */
-	/* We will have at least one string (even if it's just "") */
-	remotealgos[0] = algolist;
-	count = 1;
-	/* Iterate through, replacing ','s with NULs, to split it into
-	 * words. */
-	for (i = 0; i < len; i++) {
-		if (algolist[i] == '\0') {
-			/* someone is trying something strange */
-			goto out;
-		}
-		if (algolist[i] == ',') {
-			algolist[i] = '\0';
-			remotealgos[count] = &algolist[i+1];
-			count++;
-		}
-		if (count == MAX_PROPOSED_ALGO) {
-			break;
-		}
-	}
-
-	/* iterate and find the first match */
-
-	for (j = 0; localalgos[j].name != NULL; j++) {
-		if (localalgos[j].usable) {
-		len = strlen(localalgos[j].name);
-			for (i = 0; i < count; i++) {
-				if (len == strlen(remotealgos[i]) 
-						&& strncmp(localalgos[j].name, 
-							remotealgos[i], len) == 0) {
-					if (i == 0 && j == 0) {
-						/* was a good guess */
-						*goodguess = 1;
-					}
-					ret = &localalgos[j];
-					goto out;
-				}
-			}
-		}
-	}
-
-out:
-	m_free(algolist);
-	return ret;
-}
-

cli-auth.c

@@ -40,11 +40,18 @@ void cli_authinitialise() {
 
 /* Send a "none" auth request to get available methods */
 void cli_auth_getmethods() {
-
 	TRACE(("enter cli_auth_getmethods"))
-
+#ifdef CLI_IMMEDIATE_AUTH
+	ses.authstate.authtypes = AUTH_TYPE_PUBKEY;
+    if (getenv(DROPBEAR_PASSWORD_ENV)) {
+		ses.authstate.authtypes |= AUTH_TYPE_PASSWORD | AUTH_TYPE_INTERACT;
+	}
+	if (cli_auth_try() == DROPBEAR_SUCCESS) {
+		TRACE(("skipped initial none auth query"))
+		return;
+	}
+#endif
 	CHECKCLEARTOWRITE();
-
 	buf_putbyte(ses.writepayload, SSH_MSG_USERAUTH_REQUEST);
 	buf_putstring(ses.writepayload, cli_opts.username, 
 			strlen(cli_opts.username));
@@ -54,7 +61,6 @@ void cli_auth_getmethods() {
 
 	encrypt_packet();
 	TRACE(("leave cli_auth_getmethods"))
-
 }
 
 void recv_msg_userauth_banner() {
@@ -91,7 +97,7 @@ void recv_msg_userauth_banner() {
 		}
 	}
 
-	printf("%s\n", banner);
+	fprintf(stderr, "%s\n", banner);
 
 out:
 	m_free(banner);
@@ -229,15 +235,21 @@ void recv_msg_userauth_failure() {
 
 void recv_msg_userauth_success() {
 	TRACE(("received msg_userauth_success"))
+	/* Note: in delayed-zlib mode, setting authdone here 
+	 * will enable compression in the transport layer */
 	ses.authstate.authdone = 1;
 	cli_ses.state = USERAUTH_SUCCESS_RCVD;
 	cli_ses.lastauthtype = AUTH_TYPE_NONE;
+
+#ifdef ENABLE_CLI_PUBKEY_AUTH
+	cli_auth_pubkey_cleanup();
+#endif
 }
 
-void cli_auth_try() {
+int cli_auth_try() {
 
-	TRACE(("enter cli_auth_try"))
 	int finished = 0;
+	TRACE(("enter cli_auth_try"))
 
 	CHECKCLEARTOWRITE();
 	
@@ -250,42 +262,58 @@ void cli_auth_try() {
 	}
 #endif
 
-#ifdef ENABLE_CLI_INTERACT_AUTH
-	if (!finished && ses.authstate.authtypes & AUTH_TYPE_INTERACT) {
-		if (cli_ses.auth_interact_failed) {
-			finished = 0;
+#ifdef ENABLE_CLI_PASSWORD_AUTH
+	if (!finished && (ses.authstate.authtypes & AUTH_TYPE_PASSWORD)) {
+		if (ses.keys->trans.algo_crypt->cipherdesc == NULL) {
+			fprintf(stderr, "Sorry, I won't let you use password auth unencrypted.\n");
 		} else {
-			cli_auth_interactive();
-			cli_ses.lastauthtype = AUTH_TYPE_INTERACT;
+			cli_auth_password();
 			finished = 1;
+			cli_ses.lastauthtype = AUTH_TYPE_PASSWORD;
 		}
 	}
 #endif
 
-#ifdef ENABLE_CLI_PASSWORD_AUTH
-	if (!finished && ses.authstate.authtypes & AUTH_TYPE_PASSWORD) {
-		cli_auth_password();
-		finished = 1;
-		cli_ses.lastauthtype = AUTH_TYPE_PASSWORD;
+#ifdef ENABLE_CLI_INTERACT_AUTH
+	if (!finished && (ses.authstate.authtypes & AUTH_TYPE_INTERACT)) {
+		if (ses.keys->trans.algo_crypt->cipherdesc == NULL) {
+			fprintf(stderr, "Sorry, I won't let you use interactive auth unencrypted.\n");
+		} else {
+			if (!cli_ses.auth_interact_failed) {
+				cli_auth_interactive();
+				cli_ses.lastauthtype = AUTH_TYPE_INTERACT;
+				finished = 1;
+			}
+		}
 	}
 #endif
 
 	TRACE(("cli_auth_try lastauthtype %d", cli_ses.lastauthtype))
 
-	if (!finished) {
-		dropbear_exit("No auth methods could be used.");
+	if (finished) {
+		TRACE(("leave cli_auth_try success"))
+		return DROPBEAR_SUCCESS;
 	}
-
-	TRACE(("leave cli_auth_try"))
+	TRACE(("leave cli_auth_try failure"))
+	return DROPBEAR_FAILURE;
 }
 
 /* A helper for getpass() that exits if the user cancels. The returned
  * password is statically allocated by getpass() */
-char* getpass_or_cancel()
+char* getpass_or_cancel(char* prompt)
 {
 	char* password = NULL;
+	
+#ifdef DROPBEAR_PASSWORD_ENV
+    /* Password provided in an environment var */
+    password = getenv(DROPBEAR_PASSWORD_ENV);
+    if (password)
+    {
+        return password;
+    }
+#endif
 
-	password = getpass("Password: ");
+	password = getpass(prompt);
 
 	/* 0x03 is a ctrl-c character in the buffer. */
 	if (password == NULL || strchr(password, '\3') != NULL) {

cli-authinteract.c

@@ -77,6 +77,11 @@ void recv_msg_userauth_info_request() {
 
 	TRACE(("enter recv_msg_recv_userauth_info_request"))
 
+	/* Let the user know what password/host they are authing for */
+	if (!cli_ses.interact_request_received) {
+		fprintf(stderr, "Login for %s@%s\n", cli_opts.username,
+				cli_opts.remotehost);
+	}
 	cli_ses.interact_request_received = 1;
 
 	name = buf_getstring(ses.payload, NULL);
@@ -99,13 +104,14 @@ void recv_msg_userauth_info_request() {
 	if (strlen(name) > 0) {
 		cleantext(name);
 		fprintf(stderr, "%s", name);
-		m_free(name);
 	}
+	m_free(name);
+
 	if (strlen(instruction) > 0) {
 		cleantext(instruction);
 		fprintf(stderr, "%s", instruction);
-		m_free(instruction);
 	}
+	m_free(instruction);
 
 	for (i = 0; i < num_prompts; i++) {
 		unsigned int response_len = 0;
@@ -125,6 +131,7 @@ void recv_msg_userauth_info_request() {
 		response_len = strlen(response);
 		buf_putstring(ses.writepayload, response, response_len);
 		m_burn(response, response_len);
+		m_free(prompt);
 		m_free(response);
 	}
 

cli-authpasswd.c

@@ -38,7 +38,9 @@ static int want_askpass()
 	char* askpass_prog = NULL;
 
 	askpass_prog = getenv("SSH_ASKPASS");
-	return askpass_prog && !isatty(STDIN_FILENO) && getenv("DISPLAY");
+	return askpass_prog && 
+		((!isatty(STDIN_FILENO) && getenv("DISPLAY") )
+		 	|| getenv("SSH_ASKPASS_ALWAYS"));
 }
 
 /* returns a statically allocated password from a helper app, or NULL
@@ -116,16 +118,25 @@ static char *gui_getpass(const char *prompt) {
 void cli_auth_password() {
 
 	char* password = NULL;
+	char prompt[80];
 
 	TRACE(("enter cli_auth_password"))
 	CHECKCLEARTOWRITE();
 
+	snprintf(prompt, sizeof(prompt), "%s@%s's password: ", 
+				cli_opts.username, cli_opts.remotehost);
 #ifdef ENABLE_CLI_ASKPASS_HELPER
 	if (want_askpass())
-		password = gui_getpass("Password: ");
-	else
+	{
+		password = gui_getpass(prompt);
+		if (!password) {
+			dropbear_exit("No password");
+		}
+	} else
 #endif
-		password = getpass_or_cancel("Password: ");
+	{
+		password = getpass_or_cancel(prompt);
+	}
 
 	buf_putbyte(ses.writepayload, SSH_MSG_USERAUTH_REQUEST);
 

cli-authpubkey.c

@@ -30,6 +30,7 @@
 #include "ssh.h"
 #include "runopts.h"
 #include "auth.h"
+#include "agentfwd.h"
 
 #ifdef ENABLE_CLI_PUBKEY_AUTH
 static void send_msg_userauth_pubkey(sign_key *key, int type, int realsign);
@@ -37,31 +38,24 @@ static void send_msg_userauth_pubkey(sign_key *key, int type, int realsign);
 /* Called when we receive a SSH_MSG_USERAUTH_FAILURE for a pubkey request.
  * We use it to remove the key we tried from the list */
 void cli_pubkeyfail() {
-
-	struct SignKeyList *keyitem;
-	struct SignKeyList **previtem;
-
-	TRACE(("enter cli_pubkeyfail"))
-	previtem = &cli_opts.privkeys;
-
-	/* Find the key we failed with, and remove it */
-	for (keyitem = cli_opts.privkeys; keyitem != NULL; keyitem = keyitem->next) {
-		if (keyitem == cli_ses.lastprivkey) {
-			*previtem = keyitem->next;
+	m_list_elem *iter;
+	for (iter = cli_opts.privkeys->first; iter; iter = iter->next) {
+		sign_key *iter_key = (sign_key*)iter->item;
+		
+		if (iter_key == cli_ses.lastprivkey)
+		{
+			/* found the failing key */
+			list_remove(iter);
+			sign_key_free(iter_key);
+			cli_ses.lastprivkey = NULL;
+			return;
 		}
-		previtem = &keyitem;
 	}
-
-	sign_key_free(cli_ses.lastprivkey->key); /* It won't be used again */
-	m_free(cli_ses.lastprivkey);
-
-	TRACE(("leave cli_pubkeyfail"))
 }
 
 void recv_msg_userauth_pk_ok() {
-
-	struct SignKeyList *keyitem;
-	buffer* keybuf;
+	m_list_elem *iter;
+	buffer* keybuf = NULL;
 	char* algotype = NULL;
 	unsigned int algolen;
 	int keytype;
@@ -80,9 +74,9 @@ void recv_msg_userauth_pk_ok() {
 
 	/* Iterate through our keys, find which one it was that matched, and
 	 * send a real request with that key */
-	for (keyitem = cli_opts.privkeys; keyitem != NULL; keyitem = keyitem->next) {
-
-		if (keyitem->type != keytype) {
+	for (iter = cli_opts.privkeys->first; iter; iter = iter->next) {
+		sign_key *key = (sign_key*)iter->item;
+		if (key->type != keytype) {
 			/* Types differed */
 			TRACE(("types differed"))
 			continue;
@@ -90,7 +84,7 @@ void recv_msg_userauth_pk_ok() {
 
 		/* Now we compare the contents of the key */
 		keybuf->pos = keybuf->len = 0;
-		buf_put_pub_key(keybuf, keyitem->key, keytype);
+		buf_put_pub_key(keybuf, key, keytype);
 		buf_setpos(keybuf, 0);
 		buf_incrpos(keybuf, 4); /* first int is the length of the remainder (ie
 								   remotelen) which has already been taken from
@@ -112,19 +106,41 @@ void recv_msg_userauth_pk_ok() {
 		/* Success */
 		break;
 	}
+	buf_free(keybuf);
 
-	if (keyitem != NULL) {
+	if (iter != NULL) {
 		TRACE(("matching key"))
 		/* XXX TODO: if it's an encrypted key, here we ask for their
 		 * password */
-		send_msg_userauth_pubkey(keyitem->key, keytype, 1);
+		send_msg_userauth_pubkey((sign_key*)iter->item, keytype, 1);
 	} else {
 		TRACE(("That was whacky. We got told that a key was valid, but it didn't match our list. Sounds like dodgy code on Dropbear's part"))
 	}
-
+	
 	TRACE(("leave recv_msg_userauth_pk_ok"))
 }
 
+void cli_buf_put_sign(buffer* buf, sign_key *key, int type, 
+			const unsigned char *data, unsigned int len)
+{
+#ifdef ENABLE_CLI_AGENTFWD
+	if (key->source == SIGNKEY_SOURCE_AGENT) {
+		/* Format the agent signature ourselves, as buf_put_sign would. */
+		buffer *sigblob;
+		sigblob = buf_new(MAX_PUBKEY_SIZE);
+		agent_buf_sign(sigblob, key, data, len);
+		buf_setpos(sigblob, 0);
+		buf_putstring(buf, buf_getptr(sigblob, sigblob->len),
+				sigblob->len);
+
+		buf_free(sigblob);
+	} else 
+#endif /* ENABLE_CLI_AGENTFWD */
+	{
+		buf_put_sign(buf, key, type, data, len);
+	}
+}
+
 /* TODO: make it take an agent reference to use as well */
 static void send_msg_userauth_pubkey(sign_key *key, int type, int realsign) {
 
@@ -160,7 +176,7 @@ static void send_msg_userauth_pubkey(sign_key *key, int type, int realsign) {
 		sigbuf = buf_new(4 + SHA1_HASH_SIZE + ses.writepayload->len);
 		buf_putstring(sigbuf, ses.session_id, SHA1_HASH_SIZE);
 		buf_putbytes(sigbuf, ses.writepayload->data, ses.writepayload->len);
-		buf_put_sign(ses.writepayload, key, type, sigbuf->data, sigbuf->len);
+		cli_buf_put_sign(ses.writepayload, key, type, sigbuf->data, sigbuf->len);
 		buf_free(sigbuf); /* Nothing confidential in the buffer */
 	}
 
@@ -168,20 +184,43 @@ static void send_msg_userauth_pubkey(sign_key *key, int type, int realsign) {
 	TRACE(("leave send_msg_userauth_pubkey"))
 }
 
+/* Returns 1 if a key was tried */
 int cli_auth_pubkey() {
 
 	TRACE(("enter cli_auth_pubkey"))
 
-	if (cli_opts.privkeys != NULL) {
+#ifdef ENABLE_CLI_AGENTFWD
+	if (!cli_opts.agent_keys_loaded) {
+		/* get the list of available keys from the agent */
+		cli_load_agent_keys(cli_opts.privkeys);
+		cli_opts.agent_keys_loaded = 1;
+	}
+#endif
+
+	if (cli_opts.privkeys->first) {
+		sign_key * key = (sign_key*)cli_opts.privkeys->first->item;
 		/* Send a trial request */
-		send_msg_userauth_pubkey(cli_opts.privkeys->key,
-				cli_opts.privkeys->type, 0);
-		cli_ses.lastprivkey = cli_opts.privkeys;
+		send_msg_userauth_pubkey(key, key->type, 0);
+		cli_ses.lastprivkey = key;
 		TRACE(("leave cli_auth_pubkey-success"))
 		return 1;
 	} else {
+		/* no more keys left */
 		TRACE(("leave cli_auth_pubkey-failure"))
 		return 0;
 	}
 }
+
+void cli_auth_pubkey_cleanup() {
+
+#ifdef ENABLE_CLI_AGENTFWD
+	m_close(cli_opts.agent_fd);
+	cli_opts.agent_fd = -1;
+#endif
+
+	while (cli_opts.privkeys->first) {
+		sign_key * key = list_remove(cli_opts.privkeys->first);
+		sign_key_free(key);
+	}
+}
 #endif /* Pubkey auth */

cli-channel.c

@@ -39,9 +39,6 @@ void recv_msg_channel_extended_data() {
 	TRACE(("enter recv_msg_channel_extended_data"))
 
 	channel = getchannel();
-	if (channel == NULL) {
-		dropbear_exit("Unknown channel");
-	}
 
 	if (channel->type != &clichansess) {
 		TRACE(("leave recv_msg_channel_extended_data: chantype is wrong"))

cli-chansession.c

@@ -33,15 +33,15 @@
 #include "runopts.h"
 #include "termcodes.h"
 #include "chansession.h"
+#include "agentfwd.h"
 
 static void cli_closechansess(struct Channel *channel);
 static int cli_initchansess(struct Channel *channel);
 static void cli_chansessreq(struct Channel *channel);
-
-static void start_channel_request(struct Channel *channel, unsigned char *type);
-
 static void send_chansess_pty_req(struct Channel *channel);
 static void send_chansess_shell_req(struct Channel *channel);
+static void cli_escape_handler(struct Channel *channel, unsigned char* buf, int *len);
+
 
 static void cli_tty_setup();
 
@@ -64,16 +64,17 @@ static void cli_chansessreq(struct Channel *channel) {
 	type = buf_getstring(ses.payload, NULL);
 	wantreply = buf_getbool(ses.payload);
 
-	if (strcmp(type, "exit-status") != 0) {
+	if (strcmp(type, "exit-status") == 0) {
+		cli_ses.retval = buf_getint(ses.payload);
+		TRACE(("got exit-status of '%d'", cli_ses.retval))
+	} else if (strcmp(type, "exit-signal") == 0) {
+		TRACE(("got exit-signal, ignoring it"))
+	} else {
 		TRACE(("unknown request '%s'", type))
 		send_msg_channel_failure(channel);
 		goto out;
 	}
 		
-	/* We'll just trust what they tell us */
-	cli_ses.retval = buf_getint(ses.payload);
-	TRACE(("got exit-status of '%d'", cli_ses.retval))
-
 out:
 	m_free(type);
 }
@@ -81,17 +82,15 @@ out:
 
 /* If the main session goes, we close it up */
 static void cli_closechansess(struct Channel *UNUSED(channel)) {
+	cli_tty_cleanup(); /* Restore tty modes etc */
 
 	/* This channel hasn't gone yet, so we have > 1 */
 	if (ses.chancount > 1) {
 		dropbear_log(LOG_INFO, "Waiting for other channels to close...");
 	}
-
-	cli_tty_cleanup(); /* Restore tty modes etc */
-
 }
 
-static void start_channel_request(struct Channel *channel, 
+void cli_start_send_channel_request(struct Channel *channel, 
 		unsigned char *type) {
 
 	CHECKCLEARTOWRITE();
@@ -162,8 +161,6 @@ void cli_tty_cleanup() {
 
 static void put_termcodes() {
 
-	TRACE(("enter put_termcodes"))
-
 	struct termios tio;
 	unsigned int sshcode;
 	const struct TermCode *termcode;
@@ -172,6 +169,8 @@ static void put_termcodes() {
 
 	unsigned int bufpos1, bufpos2;
 
+	TRACE(("enter put_termcodes"))
+
 	if (tcgetattr(STDIN_FILENO, &tio) == -1) {
 		dropbear_log(LOG_WARNING, "Failed reading termmodes");
 		buf_putint(ses.writepayload, 1); /* Just the terminator */
@@ -286,7 +285,7 @@ static void send_chansess_pty_req(struct Channel *channel) {
 
 	TRACE(("enter send_chansess_pty_req"))
 
-	start_channel_request(channel, "pty-req");
+	cli_start_send_channel_request(channel, "pty-req");
 
 	/* Don't want replies */
 	buf_putbyte(ses.writepayload, 0);
@@ -308,7 +307,7 @@ static void send_chansess_pty_req(struct Channel *channel) {
 
 	/* Set up a window-change handler */
 	if (signal(SIGWINCH, sigwinch_handler) == SIG_ERR) {
-		dropbear_exit("signal error");
+		dropbear_exit("Signal error");
 	}
 	TRACE(("leave send_chansess_pty_req"))
 }
@@ -320,12 +319,16 @@ static void send_chansess_shell_req(struct Channel *channel) {
 	TRACE(("enter send_chansess_shell_req"))
 
 	if (cli_opts.cmd) {
-		reqtype = "exec";
+		if (cli_opts.is_subsystem) {
+			reqtype = "subsystem";
+		} else {
+			reqtype = "exec";
+		}
 	} else {
 		reqtype = "shell";
 	}
 
-	start_channel_request(channel, reqtype);
+	cli_start_send_channel_request(channel, reqtype);
 
 	/* XXX TODO */
 	buf_putbyte(ses.writepayload, 0); /* Don't want replies */
@@ -337,9 +340,8 @@ static void send_chansess_shell_req(struct Channel *channel) {
 	TRACE(("leave send_chansess_shell_req"))
 }
 
-static int cli_initchansess(struct Channel *channel) {
-
-
+/* Shared for normal client channel and netcat-alike */
+static int cli_init_stdpipe_sess(struct Channel *channel) {
 	channel->writefd = STDOUT_FILENO;
 	setnonblocking(STDOUT_FILENO);
 
@@ -349,7 +351,19 @@ static int cli_initchansess(struct Channel *channel) {
 	channel->errfd = STDERR_FILENO;
 	setnonblocking(STDERR_FILENO);
 
-	channel->extrabuf = cbuf_new(RECV_MAXWINDOW);
+	channel->extrabuf = cbuf_new(opts.recv_window);
+	return 0;
+}
+
+static int cli_initchansess(struct Channel *channel) {
+
+	cli_init_stdpipe_sess(channel);
+
+#ifdef ENABLE_CLI_AGENTFWD
+	if (cli_opts.agent_fwd) {
+		cli_setup_agent(channel);
+	}
+#endif
 
 	if (cli_opts.wantpty) {
 		send_chansess_pty_req(channel);
@@ -359,15 +373,53 @@ static int cli_initchansess(struct Channel *channel) {
 
 	if (cli_opts.wantpty) {
 		cli_tty_setup();
-	}
+		channel->read_mangler = cli_escape_handler;
+		cli_ses.last_char = '\r';
+	}	
 
 	return 0; /* Success */
-
 }
 
+#ifdef ENABLE_CLI_NETCAT
+
+static const struct ChanType cli_chan_netcat = {
+	0, /* sepfds */
+	"direct-tcpip",
+	cli_init_stdpipe_sess, /* inithandler */
+	NULL,
+	NULL,
+	cli_closechansess
+};
+
+void cli_send_netcat_request() {
+
+	const unsigned char* source_host = "127.0.0.1";
+	const int source_port = 22;
+
+	cli_opts.wantpty = 0;
+
+	if (send_msg_channel_open_init(STDIN_FILENO, &cli_chan_netcat) 
+			== DROPBEAR_FAILURE) {
+		dropbear_exit("Couldn't open initial channel");
+	}
+
+	buf_putstring(ses.writepayload, cli_opts.netcat_host, 
+			strlen(cli_opts.netcat_host));
+	buf_putint(ses.writepayload, cli_opts.netcat_port);
+
+	/* originator ip - localhost is accurate enough */
+	buf_putstring(ses.writepayload, source_host, strlen(source_host));
+	buf_putint(ses.writepayload, source_port);
+
+	encrypt_packet();
+	TRACE(("leave cli_send_chansess_request"))
+}
+#endif
+
 void cli_send_chansess_request() {
 
 	TRACE(("enter cli_send_chansess_request"))
+
 	if (send_msg_channel_open_init(STDIN_FILENO, &clichansess) 
 			== DROPBEAR_FAILURE) {
 		dropbear_exit("Couldn't open initial channel");
@@ -378,3 +430,59 @@ void cli_send_chansess_request() {
 	TRACE(("leave cli_send_chansess_request"))
 
 }
+
+// returns 1 if the character should be consumed, 0 to pass through
+static int
+do_escape(unsigned char c) {
+	switch (c) {
+		case '.':
+			dropbear_exit("Terminated");
+			return 1;
+			break;
+		case 0x1a:
+			// ctrl-z
+			cli_tty_cleanup();
+			kill(getpid(), SIGTSTP);
+			// after continuation
+			cli_tty_setup();
+			cli_ses.winchange = 1;
+			return 1;
+			break;
+	}
+	return 0;
+}
+
+static
+void cli_escape_handler(struct Channel *channel, unsigned char* buf, int *len) {
+	char c;
+	int skip_char = 0;
+
+	// only handle escape characters if they are read one at a time. simplifies
+	// the code and avoids nasty people putting ~. at the start of a line to paste 
+	if (*len != 1) {
+		cli_ses.last_char = 0x0;
+		return;
+	}
+
+	c = buf[0];
+
+	if (cli_ses.last_char == DROPBEAR_ESCAPE_CHAR) {
+		skip_char = do_escape(c);
+		cli_ses.last_char = 0x0;
+	} else {
+		if (c == DROPBEAR_ESCAPE_CHAR) {
+			if (cli_ses.last_char == '\r') {
+				cli_ses.last_char = DROPBEAR_ESCAPE_CHAR;
+				skip_char = 1;
+			} else {
+				cli_ses.last_char = 0x0;
+			}
+		} else {
+			cli_ses.last_char = c;
+		}
+	}
+
+	if (skip_char) {
+		*len = 0;
+	}
+}

cli-kex.c

@@ -42,18 +42,27 @@ static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen);
 #define MAX_KNOWNHOSTS_LINE 4500
 
 void send_msg_kexdh_init() {
+	TRACE(("send_msg_kexdh_init()"))	
+	if ((cli_ses.dh_e && cli_ses.dh_x 
+				&& cli_ses.dh_val_algo == ses.newkeys->algo_kex)) {
+		TRACE(("reusing existing dh_e from first_kex_packet_follows"))
+	} else {
+		if (!cli_ses.dh_e || !cli_ses.dh_e) {
+			cli_ses.dh_e = (mp_int*)m_malloc(sizeof(mp_int));
+			cli_ses.dh_x = (mp_int*)m_malloc(sizeof(mp_int));
+			m_mp_init_multi(cli_ses.dh_e, cli_ses.dh_x, NULL);
+		}
 
-	cli_ses.dh_e = (mp_int*)m_malloc(sizeof(mp_int));
-	cli_ses.dh_x = (mp_int*)m_malloc(sizeof(mp_int));
-	m_mp_init_multi(cli_ses.dh_e, cli_ses.dh_x, NULL);
-
-	gen_kexdh_vals(cli_ses.dh_e, cli_ses.dh_x);
+		gen_kexdh_vals(cli_ses.dh_e, cli_ses.dh_x);
+		cli_ses.dh_val_algo = ses.newkeys->algo_kex;
+	}
 
 	CHECKCLEARTOWRITE();
 	buf_putbyte(ses.writepayload, SSH_MSG_KEXDH_INIT);
 	buf_putmpint(ses.writepayload, cli_ses.dh_e);
 	encrypt_packet();
-	ses.requirenext = SSH_MSG_KEXDH_REPLY;
+	ses.requirenext[0] = SSH_MSG_KEXDH_REPLY;
+	ses.requirenext[1] = SSH_MSG_KEXINIT;
 }
 
 /* Handle a diffie-hellman key exchange reply. */
@@ -98,6 +107,7 @@ void recv_msg_kexdh_reply() {
 	mp_clear_multi(cli_ses.dh_e, cli_ses.dh_x, NULL);
 	m_free(cli_ses.dh_e);
 	m_free(cli_ses.dh_x);
+	cli_ses.dh_val_algo = DROPBEAR_KEX_NONE;
 
 	if (buf_verify(ses.payload, hostkey, ses.hash, SHA1_HASH_SIZE) 
 			!= DROPBEAR_SUCCESS) {
@@ -108,7 +118,8 @@ void recv_msg_kexdh_reply() {
 	hostkey = NULL;
 
 	send_msg_newkeys();
-	ses.requirenext = SSH_MSG_NEWKEYS;
+	ses.requirenext[0] = SSH_MSG_NEWKEYS;
+	ses.requirenext[1] = 0;
 	TRACE(("leave recv_msg_kexdh_init"))
 }
 
@@ -119,9 +130,17 @@ static void ask_to_confirm(unsigned char* keyblob, unsigned int keybloblen) {
 	char response = 'z';
 
 	fp = sign_key_fingerprint(keyblob, keybloblen);
-	fprintf(stderr, "\nHost '%s' is not in the trusted hosts file.\n(fingerprint %s)\nDo you want to continue connecting? (y/n)\n", 
+	if (cli_opts.always_accept_key) {
+		fprintf(stderr, "\nHost '%s' key accepted unconditionally.\n(fingerprint %s)\n",
+				cli_opts.remotehost,
+				fp);
+		m_free(fp);
+		return;
+	}
+	fprintf(stderr, "\nHost '%s' is not in the trusted hosts file.\n(fingerprint %s)\nDo you want to continue connecting? (y/n) ", 
 			cli_opts.remotehost, 
 			fp);
+	m_free(fp);
 
 	tty = fopen(_PATH_TTY, "r");
 	if (tty) {
@@ -132,66 +151,95 @@ static void ask_to_confirm(unsigned char* keyblob, unsigned int keybloblen) {
 	}
 
 	if (response == 'y') {
-		m_free(fp);
 		return;
 	}
 
 	dropbear_exit("Didn't validate host key");
 }
 
-static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
-
+static FILE* open_known_hosts_file(int * readonly)
+{
+	FILE * hostsfile = NULL;
 	char * filename = NULL;
-	FILE *hostsfile = NULL;
-	int readonly = 0;
-	struct passwd *pw = NULL;
-	unsigned int hostlen, algolen;
-	unsigned long len;
-	const char *algoname = NULL;
-	buffer * line = NULL;
-	int ret;
+	char * homedir = NULL;
 	
-	pw = getpwuid(getuid());
+	homedir = getenv("HOME");
 
-	if (pw == NULL) {
-		dropbear_exit("Failed to get homedir");
-	}
-
-	len = strlen(pw->pw_dir);
-	filename = m_malloc(len + 18); /* "/.ssh/known_hosts" and null-terminator*/
-
-	snprintf(filename, len+18, "%s/.ssh", pw->pw_dir);
-	/* Check that ~/.ssh exists - easiest way is just to mkdir */
-	if (mkdir(filename, S_IRWXU) != 0) {
-		if (errno != EEXIST) {
-			dropbear_log(LOG_INFO, "Warning: failed creating ~/.ssh: %s",
-					strerror(errno));
-			TRACE(("mkdir didn't work: %s", strerror(errno)))
-			ask_to_confirm(keyblob, keybloblen);
-			goto out; /* only get here on success */
+	if (!homedir) {
+		struct passwd * pw = NULL;
+		pw = getpwuid(getuid());
+		if (pw) {
+			homedir = pw->pw_dir;
 		}
 	}
 
-	snprintf(filename, len+18, "%s/.ssh/known_hosts", pw->pw_dir);
-	hostsfile = fopen(filename, "a+");
-	
-	if (hostsfile != NULL) {
-		fseek(hostsfile, 0, SEEK_SET);
-	} else {
-		/* We mightn't have been able to open it if it was read-only */
-		if (errno == EACCES || errno == EROFS) {
-				TRACE(("trying readonly: %s", strerror(errno)))
-				readonly = 1;
-				hostsfile = fopen(filename, "r");
+	if (homedir) {
+		unsigned int len;
+		len = strlen(homedir);
+		filename = m_malloc(len + 18); /* "/.ssh/known_hosts" and null-terminator*/
+
+		snprintf(filename, len+18, "%s/.ssh", homedir);
+		/* Check that ~/.ssh exists - easiest way is just to mkdir */
+		if (mkdir(filename, S_IRWXU) != 0) {
+			if (errno != EEXIST) {
+				dropbear_log(LOG_INFO, "Warning: failed creating %s/.ssh: %s",
+						homedir, strerror(errno));
+				TRACE(("mkdir didn't work: %s", strerror(errno)))
+				goto out;
+			}
+		}
+
+		snprintf(filename, len+18, "%s/.ssh/known_hosts", homedir);
+		hostsfile = fopen(filename, "a+");
+		
+		if (hostsfile != NULL) {
+			*readonly = 0;
+			fseek(hostsfile, 0, SEEK_SET);
+		} else {
+			/* We mightn't have been able to open it if it was read-only */
+			if (errno == EACCES || errno == EROFS) {
+					TRACE(("trying readonly: %s", strerror(errno)))
+					*readonly = 1;
+					hostsfile = fopen(filename, "r");
+			}
 		}
 	}
 
 	if (hostsfile == NULL) {
 		TRACE(("hostsfile didn't open: %s", strerror(errno)))
-		ask_to_confirm(keyblob, keybloblen);
-		goto out; /* We only get here on success */
+		dropbear_log(LOG_WARNING, "Failed to open %s/.ssh/known_hosts",
+				homedir);
+		goto out;
+	}	
+
+out:
+	m_free(filename);
+	return hostsfile;
+}
+
+static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
+
+	FILE *hostsfile = NULL;
+	int readonly = 0;
+	unsigned int hostlen, algolen;
+	unsigned long len;
+	const char *algoname = NULL;
+	char * fingerprint = NULL;
+	buffer * line = NULL;
+	int ret;
+
+	if (cli_opts.no_hostkey_check) {
+		fprintf(stderr, "Caution, skipping hostkey check for %s\n", cli_opts.remotehost);
+		return;
 	}
 
+	hostsfile = open_known_hosts_file(&readonly);
+	if (!hostsfile)	{
+		ask_to_confirm(keyblob, keybloblen);
+		/* ask_to_confirm will exit upon failure */
+		return;
+	}
+	
 	line = buf_new(MAX_KNOWNHOSTS_LINE);
 	hostlen = strlen(cli_opts.remotehost);
 	algoname = signkey_name_from_type(ses.newkeys->algo_hostkey, &algolen);
@@ -214,7 +262,6 @@ static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
 		/* Compare hostnames */
 		if (strncmp(cli_opts.remotehost, buf_getptr(line, hostlen),
 					hostlen) != 0) {
-			TRACE(("hosts don't match"))
 			continue;
 		}
 
@@ -225,7 +272,7 @@ static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
 			continue;
 		}
 
-		if ( strncmp(buf_getptr(line, algolen), algoname, algolen) != 0) {
+		if (strncmp(buf_getptr(line, algolen), algoname, algolen) != 0) {
 			TRACE(("algo doesn't match"))
 			continue;
 		}
@@ -237,7 +284,8 @@ static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
 		}
 
 		/* Now we're at the interesting hostkey */
-		ret = cmp_base64_key(keyblob, keybloblen, algoname, algolen, line);
+		ret = cmp_base64_key(keyblob, keybloblen, algoname, algolen,
+						line, &fingerprint);
 
 		if (ret == DROPBEAR_SUCCESS) {
 			/* Good matching key */
@@ -245,7 +293,15 @@ static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
 			goto out;
 		}
 
-		/* The keys didn't match. eep. */
+		/* The keys didn't match. eep. Note that we're "leaking"
+		   the fingerprint strings here, but we're exiting anyway */
+		dropbear_exit("\n\nHost key mismatch for %s !\n"
+					"Fingerprint is %s\n"
+					"Expected %s\n"
+					"If you know that the host key is correct you can\nremove the bad entry from ~/.ssh/known_hosts", 
+					cli_opts.remotehost,
+					sign_key_fingerprint(keyblob, keybloblen),
+					fingerprint ? fingerprint : "UNKNOWN");
 	} while (1); /* keep going 'til something happens */
 
 	/* Key doesn't exist yet */
@@ -258,31 +314,32 @@ static void checkhostkey(unsigned char* keyblob, unsigned int keybloblen) {
 		goto out;
 	}
 
-	/* put the new entry in the file */
-	fseek(hostsfile, 0, SEEK_END); /* In case it wasn't opened append */
-	buf_setpos(line, 0);
-	buf_setlen(line, 0);
-	buf_putbytes(line, ses.remotehost, hostlen);
-	buf_putbyte(line, ' ');
-	buf_putbytes(line, algoname, algolen);
-	buf_putbyte(line, ' ');
-	len = line->size - line->pos;
-	TRACE(("keybloblen %d, len %d", keybloblen, len))
-	/* The only failure with base64 is buffer_overflow, but buf_getwriteptr
-	 * will die horribly in the case anyway */
-	base64_encode(keyblob, keybloblen, buf_getwriteptr(line, len), &len);
-	buf_incrwritepos(line, len);
-	buf_putbyte(line, '\n');
-	buf_setpos(line, 0);
-	fwrite(buf_getptr(line, line->len), line->len, 1, hostsfile);
-	/* We ignore errors, since there's not much we can do about them */
+	if (!cli_opts.always_accept_key) {
+		/* put the new entry in the file */
+		fseek(hostsfile, 0, SEEK_END); /* In case it wasn't opened append */
+		buf_setpos(line, 0);
+		buf_setlen(line, 0);
+		buf_putbytes(line, cli_opts.remotehost, hostlen);
+		buf_putbyte(line, ' ');
+		buf_putbytes(line, algoname, algolen);
+		buf_putbyte(line, ' ');
+		len = line->size - line->pos;
+		/* The only failure with base64 is buffer_overflow, but buf_getwriteptr
+		 * will die horribly in the case anyway */
+		base64_encode(keyblob, keybloblen, buf_getwriteptr(line, len), &len);
+		buf_incrwritepos(line, len);
+		buf_putbyte(line, '\n');
+		buf_setpos(line, 0);
+		fwrite(buf_getptr(line, line->len), line->len, 1, hostsfile);
+		/* We ignore errors, since there's not much we can do about them */
+	}
 
 out:
 	if (hostsfile != NULL) {
 		fclose(hostsfile);
 	}
-	m_free(filename);
 	if (line != NULL) {
 		buf_free(line);
 	}
+	m_free(fingerprint);
 }

cli-main.c

@@ -29,9 +29,13 @@
 #include "runopts.h"
 #include "session.h"
 
-static void cli_dropbear_exit(int exitcode, const char* format, va_list param);
+static void cli_dropbear_exit(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
 static void cli_dropbear_log(int priority, const char* format, va_list param);
 
+#ifdef ENABLE_CLI_PROXYCMD
+static void cli_proxy_cmd(int *sock_in, int *sock_out);
+#endif
+
 #if defined(DBMULTI_dbclient) || !defined(DROPBEAR_MULTI)
 #if defined(DBMULTI_dbclient) && defined(DROPBEAR_MULTI)
 int cli_main(int argc, char ** argv) {
@@ -39,14 +43,14 @@ int cli_main(int argc, char ** argv) {
 int main(int argc, char ** argv) {
 #endif
 
-	int sock;
+	int sock_in, sock_out;
 	char* error = NULL;
-	char* hostandport;
-	int len;
 
 	_dropbear_exit = cli_dropbear_exit;
 	_dropbear_log = cli_dropbear_log;
 
+	disallow_core();
+
 	cli_getopts(argc, argv);
 
 	TRACE(("user='%s' host='%s' port='%s'", cli_opts.username,
@@ -56,21 +60,23 @@ int main(int argc, char ** argv) {
 		dropbear_exit("signal() error");
 	}
 
-	sock = connect_remote(cli_opts.remotehost, cli_opts.remoteport, 
-			0, &error);
+#ifdef ENABLE_CLI_PROXYCMD
+	if (cli_opts.proxycmd) {
+		cli_proxy_cmd(&sock_in, &sock_out);
+		m_free(cli_opts.proxycmd);
+	} else
+#endif
+	{
+		int sock = connect_remote(cli_opts.remotehost, cli_opts.remoteport, 
+				0, &error);
+		sock_in = sock_out = sock;
+	}
 
-	if (sock < 0) {
+	if (sock_in < 0) {
 		dropbear_exit("%s", error);
 	}
 
-	/* Set up the host:port log */
-	len = strlen(cli_opts.remotehost);
-	len += 10; /* 16 bit port and leeway*/
-	hostandport = (char*)m_malloc(len);
-	snprintf(hostandport, len, "%s:%s", 
-			cli_opts.remotehost, cli_opts.remoteport);
-
-	cli_session(sock, hostandport);
+	cli_session(sock_in, sock_out);
 
 	/* not reached */
 	return -1;
@@ -82,18 +88,17 @@ static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
 	char fmtbuf[300];
 
 	if (!sessinitdone) {
-		snprintf(fmtbuf, sizeof(fmtbuf), "exited: %s",
+		snprintf(fmtbuf, sizeof(fmtbuf), "Exited: %s",
 				format);
 	} else {
 		snprintf(fmtbuf, sizeof(fmtbuf), 
-				"connection to %s@%s:%s exited: %s", 
+				"Connection to %s@%s:%s exited: %s", 
 				cli_opts.username, cli_opts.remotehost, 
 				cli_opts.remoteport, format);
 	}
 
 	/* Do the cleanup first, since then the terminal will be reset */
-	cli_session_cleanup();
-	common_session_cleanup();
+	session_cleanup();
 
 	_dropbear_log(LOG_INFO, fmtbuf, param);
 
@@ -110,3 +115,27 @@ static void cli_dropbear_log(int UNUSED(priority),
 	fprintf(stderr, "%s: %s\n", cli_opts.progname, printbuf);
 
 }
+
+static void exec_proxy_cmd(void *user_data_cmd) {
+	const char *cmd = user_data_cmd;
+	char *usershell;
+
+	usershell = m_strdup(get_user_shell());
+	run_shell_command(cmd, ses.maxfd, usershell);
+	dropbear_exit("Failed to run '%s'\n", cmd);
+}
+
+#ifdef ENABLE_CLI_PROXYCMD
+static void cli_proxy_cmd(int *sock_in, int *sock_out) {
+	int ret;
+
+	fill_passwd(cli_opts.own_user);
+
+	ret = spawn_command(exec_proxy_cmd, cli_opts.proxycmd,
+			sock_out, sock_in, NULL, NULL);
+	if (ret == DROPBEAR_FAILURE) {
+		dropbear_exit("Failed running proxy command");
+		*sock_in = *sock_out = -1;
+	}
+}
+#endif // ENABLE_CLI_PROXYCMD

cli-runopts.c

@@ -29,45 +29,76 @@
 #include "dbutil.h"
 #include "algo.h"
 #include "tcpfwd.h"
+#include "list.h"
 
 cli_runopts cli_opts; /* GLOBAL */
 
 static void printhelp();
-static void parsehostname(char* userhostarg);
+static void parse_hostname(const char* orighostarg);
+static void parse_multihop_hostname(const char* orighostarg, const char* argv0);
+static void fill_own_user();
 #ifdef ENABLE_CLI_PUBKEY_AUTH
 static void loadidentityfile(const char* filename);
 #endif
 #ifdef ENABLE_CLI_ANYTCPFWD
-static void addforward(char* str, struct TCPFwdList** fwdlist);
+static void addforward(const char* str, m_list *fwdlist);
+#endif
+#ifdef ENABLE_CLI_NETCAT
+static void add_netcat(const char *str);
 #endif
 
 static void printhelp() {
 
-	fprintf(stderr, "Dropbear client v%s\n"
-					"Usage: %s [options] [user@]host\n"
-					"Options are:\n"
+	fprintf(stderr, "Dropbear SSH client v%s https://matt.ucc.asn.au/dropbear/dropbear.html\n"
+#ifdef ENABLE_CLI_MULTIHOP
+					"Usage: %s [options] [user@]host[/port][,[user@]host/port],...] [command]\n"
+#else
+					"Usage: %s [options] [user@]host[/port] [command]\n"
+#endif
 					"-p <remoteport>\n"
 					"-l <username>\n"
 					"-t    Allocate a pty\n"
 					"-T    Don't allocate a pty\n"
+					"-N    Don't run a remote command\n"
+					"-f    Run in background after auth\n"
+					"-y    Always accept remote host key if unknown\n"
+					"-y -y Don't perform any remote host key checking (caution)\n"
+					"-s    Request a subsystem (use by external sftp)\n"
 #ifdef ENABLE_CLI_PUBKEY_AUTH
 					"-i <identityfile>   (multiple allowed)\n"
 #endif
+#ifdef ENABLE_CLI_AGENTFWD
+					"-A    Enable agent auth forwarding\n"
+#endif
 #ifdef ENABLE_CLI_LOCALTCPFWD
-					"-L <listenport:remotehost:remoteport> Local port forwarding\n"
+					"-L <[listenaddress:]listenport:remotehost:remoteport> Local port forwarding\n"
 					"-g    Allow remote hosts to connect to forwarded ports\n"
 #endif
 #ifdef ENABLE_CLI_REMOTETCPFWD
-					"-R <listenport:remotehost:remoteport> Remote port forwarding\n"
+					"-R <[listenaddress:]listenport:remotehost:remoteport> Remote port forwarding\n"
+#endif
+					"-W <receive_window_buffer> (default %d, larger may be faster, max 1MB)\n"
+					"-K <keepalive>  (0 is never, default %d)\n"
+					"-I <idle_timeout>  (0 is never, default %d)\n"
+#ifdef ENABLE_CLI_NETCAT
+					"-B <endhost:endport> Netcat-alike forwarding\n"
+#endif				
+#ifdef ENABLE_CLI_PROXYCMD
+					"-J <proxy_program> Use program pipe rather than TCP connection\n"
+#endif
+#ifdef ENABLE_USER_ALGO_LIST
+					"-c <cipher list> Specify preferred ciphers ('-c help' to list options)\n"
+					"-m <MAC list> Specify preferred MACs for packet verification (or '-m help')\n"
 #endif
 #ifdef DEBUG_TRACE
-					"-v    verbose\n"
+					"-v    verbose (compiled with DEBUG_TRACE)\n"
 #endif
-					,DROPBEAR_VERSION, cli_opts.progname);
+					,DROPBEAR_VERSION, cli_opts.progname,
+					DEFAULT_RECV_WINDOW, DEFAULT_KEEPALIVE, DEFAULT_IDLE_TIMEOUT);
+					
 }
 
 void cli_getopts(int argc, char ** argv) {
-
 	unsigned int i, j;
 	char ** next = 0;
 	unsigned int cmdlen;
@@ -79,30 +110,61 @@ void cli_getopts(int argc, char ** argv) {
 #endif
 #ifdef ENABLE_CLI_REMOTETCPFWD
 	int nextisremote = 0;
+#endif
+#ifdef ENABLE_CLI_NETCAT
+	int nextisnetcat = 0;
 #endif
 	char* dummy = NULL; /* Not used for anything real */
 
+	char* recv_window_arg = NULL;
+	char* keepalive_arg = NULL;
+	char* idle_timeout_arg = NULL;
+	char *host_arg = NULL;
+
 	/* see printhelp() for options */
 	cli_opts.progname = argv[0];
 	cli_opts.remotehost = NULL;
 	cli_opts.remoteport = NULL;
 	cli_opts.username = NULL;
 	cli_opts.cmd = NULL;
+	cli_opts.no_cmd = 0;
+	cli_opts.backgrounded = 0;
 	cli_opts.wantpty = 9; /* 9 means "it hasn't been touched", gets set later */
+	cli_opts.always_accept_key = 0;
+	cli_opts.no_hostkey_check = 0;
+	cli_opts.is_subsystem = 0;
 #ifdef ENABLE_CLI_PUBKEY_AUTH
-	cli_opts.privkeys = NULL;
+	cli_opts.privkeys = list_new();
 #endif
 #ifdef ENABLE_CLI_LOCALTCPFWD
-	cli_opts.localfwds = NULL;
+	cli_opts.localfwds = list_new();
 	opts.listen_fwd_all = 0;
 #endif
 #ifdef ENABLE_CLI_REMOTETCPFWD
-	cli_opts.remotefwds = NULL;
+	cli_opts.remotefwds = list_new();
+#endif
+#ifdef ENABLE_CLI_AGENTFWD
+	cli_opts.agent_fwd = 0;
+	cli_opts.agent_fd = -1;
+	cli_opts.agent_keys_loaded = 0;
+#endif
+#ifdef ENABLE_CLI_PROXYCMD
+	cli_opts.proxycmd = NULL;
+#endif
+#ifndef DISABLE_ZLIB
+	opts.enable_compress = 1;
+#endif
+#ifdef ENABLE_USER_ALGO_LIST
+	opts.cipher_list = NULL;
+	opts.mac_list = NULL;
 #endif
 	/* not yet
 	opts.ipv4 = 1;
 	opts.ipv6 = 1;
 	*/
+	opts.recv_window = DEFAULT_RECV_WINDOW;
+
+	fill_own_user();
 
 	/* Iterate all the arguments */
 	for (i = 1; i < (unsigned int)argc; i++) {
@@ -117,7 +179,7 @@ void cli_getopts(int argc, char ** argv) {
 #ifdef ENABLE_CLI_REMOTETCPFWD
 		if (nextisremote) {
 			TRACE(("nextisremote true"))
-			addforward(argv[i], &cli_opts.remotefwds);
+			addforward(argv[i], cli_opts.remotefwds);
 			nextisremote = 0;
 			continue;
 		}
@@ -125,10 +187,18 @@ void cli_getopts(int argc, char ** argv) {
 #ifdef ENABLE_CLI_LOCALTCPFWD
 		if (nextislocal) {
 			TRACE(("nextislocal true"))
-			addforward(argv[i], &cli_opts.localfwds);
+			addforward(argv[i], cli_opts.localfwds);
 			nextislocal = 0;
 			continue;
 		}
+#endif
+#ifdef ENABLE_CLI_NETCAT
+		if (nextisnetcat) {
+			TRACE(("nextisnetcat true"))
+			add_netcat(argv[i]);
+			nextisnetcat = 0;
+			continue;
+		}
 #endif
 		if (next) {
 			/* The previous flag set a value to assign */
@@ -144,6 +214,13 @@ void cli_getopts(int argc, char ** argv) {
 			/* A flag *waves* */
 
 			switch (argv[i][1]) {
+				case 'y': /* always accept the remote hostkey */
+					if (cli_opts.always_accept_key) {
+						// twice means no checking at all
+						cli_opts.no_hostkey_check = 1;
+					}
+					cli_opts.always_accept_key = 1;
+					break;
 				case 'p': /* remoteport */
 					next = &cli_opts.remoteport;
 					break;
@@ -163,6 +240,15 @@ void cli_getopts(int argc, char ** argv) {
 				case 'T': /* don't want a pty */
 					cli_opts.wantpty = 0;
 					break;
+				case 'N':
+					cli_opts.no_cmd = 1;
+					break;
+				case 'f':
+					cli_opts.backgrounded = 1;
+					break;
+				case 's':
+					cli_opts.is_subsystem = 1;
+					break;
 #ifdef ENABLE_CLI_LOCALTCPFWD
 				case 'L':
 					nextislocal = 1;
@@ -175,6 +261,16 @@ void cli_getopts(int argc, char ** argv) {
 				case 'R':
 					nextisremote = 1;
 					break;
+#endif
+#ifdef ENABLE_CLI_NETCAT
+				case 'B':
+					nextisnetcat = 1;
+					break;
+#endif
+#ifdef ENABLE_CLI_PROXYCMD
+				case 'J':
+					next = &cli_opts.proxycmd;
+					break;
 #endif
 				case 'l':
 					next = &cli_opts.username;
@@ -183,6 +279,31 @@ void cli_getopts(int argc, char ** argv) {
 					printhelp();
 					exit(EXIT_SUCCESS);
 					break;
+				case 'u':
+					/* backwards compatibility with old urandom option */
+					break;
+				case 'W':
+					next = &recv_window_arg;
+					break;
+				case 'K':
+					next = &keepalive_arg;
+					break;
+				case 'I':
+					next = &idle_timeout_arg;
+					break;
+#ifdef ENABLE_CLI_AGENTFWD
+				case 'A':
+					cli_opts.agent_fwd = 1;
+					break;
+#endif
+#ifdef ENABLE_USER_ALGO_LIST
+				case 'c':
+					next = &opts.cipher_list;
+					break;
+				case 'm':
+					next = &opts.mac_list;
+					break;
+#endif
 #ifdef DEBUG_TRACE
 				case 'v':
 					debug_trace = 1;
@@ -190,8 +311,10 @@ void cli_getopts(int argc, char ** argv) {
 #endif
 				case 'F':
 				case 'e':
+#ifndef ENABLE_USER_ALGO_LIST
 				case 'c':
 				case 'm':
+#endif
 				case 'D':
 #ifndef ENABLE_CLI_REMOTETCPFWD
 				case 'R':
@@ -221,10 +344,8 @@ void cli_getopts(int argc, char ** argv) {
 
 			/* Either the hostname or commands */
 
-			if (cli_opts.remotehost == NULL) {
-
-				parsehostname(argv[i]);
-
+			if (host_arg == NULL) {
+				host_arg = argv[i];
 			} else {
 
 				/* this is part of the commands to send - after this we
@@ -251,7 +372,13 @@ void cli_getopts(int argc, char ** argv) {
 		}
 	}
 
-	if (cli_opts.remotehost == NULL) {
+	/* And now a few sanity checks and setup */
+
+#ifdef ENABLE_USER_ALGO_LIST
+	parse_ciphers_macs();
+#endif
+
+	if (host_arg == NULL) {
 		printhelp();
 		exit(EXIT_FAILURE);
 	}
@@ -269,43 +396,203 @@ void cli_getopts(int argc, char ** argv) {
 			cli_opts.wantpty = 0;
 		}
 	}
+
+	if (cli_opts.backgrounded && cli_opts.cmd == NULL
+			&& cli_opts.no_cmd == 0) {
+		dropbear_exit("Command required for -f");
+	}
+	
+	if (recv_window_arg) {
+		opts.recv_window = atol(recv_window_arg);
+		if (opts.recv_window == 0 || opts.recv_window > MAX_RECV_WINDOW) {
+			dropbear_exit("Bad recv window '%s'", recv_window_arg);
+		}
+	}
+	if (keepalive_arg) {
+		unsigned int val;
+		if (m_str_to_uint(keepalive_arg, &val) == DROPBEAR_FAILURE) {
+			dropbear_exit("Bad keepalive '%s'", keepalive_arg);
+		}
+		opts.keepalive_secs = val;
+	}
+
+	if (idle_timeout_arg) {
+		unsigned int val;
+		if (m_str_to_uint(idle_timeout_arg, &val) == DROPBEAR_FAILURE) {
+			dropbear_exit("Bad idle_timeout '%s'", idle_timeout_arg);
+		}
+		opts.idle_timeout_secs = val;
+	}
+
+#ifdef ENABLE_CLI_NETCAT
+	if (cli_opts.cmd && cli_opts.netcat_host) {
+		dropbear_log(LOG_INFO, "Ignoring command '%s' in netcat mode", cli_opts.cmd);
+	}
+#endif
+
+	/* The hostname gets set up last, since
+	 * in multi-hop mode it will require knowledge
+	 * of other flags such as -i */
+#ifdef ENABLE_CLI_MULTIHOP
+	parse_multihop_hostname(host_arg, argv[0]);
+#else
+	parse_hostname(host_arg);
+#endif
 }
 
 #ifdef ENABLE_CLI_PUBKEY_AUTH
 static void loadidentityfile(const char* filename) {
-
-	struct SignKeyList * nextkey;
 	sign_key *key;
 	int keytype;
 
 	key = new_sign_key();
 	keytype = DROPBEAR_SIGNKEY_ANY;
 	if ( readhostkey(filename, key, &keytype) != DROPBEAR_SUCCESS ) {
-
 		fprintf(stderr, "Failed loading keyfile '%s'\n", filename);
 		sign_key_free(key);
-
 	} else {
-
-		nextkey = (struct SignKeyList*)m_malloc(sizeof(struct SignKeyList));
-		nextkey->key = key;
-		nextkey->next = cli_opts.privkeys;
-		nextkey->type = keytype;
-		cli_opts.privkeys = nextkey;
+		key->type = keytype;
+		key->source = SIGNKEY_SOURCE_RAW_FILE;
+		key->filename = m_strdup(filename);
+		list_append(cli_opts.privkeys, key);
 	}
 }
 #endif
 
+#ifdef ENABLE_CLI_MULTIHOP
 
-/* Parses a [user@]hostname argument. userhostarg is the argv[i] corresponding
- * - note that it will be modified */
-static void parsehostname(char* orighostarg) {
+static char*
+multihop_passthrough_args() {
+	char *ret;
+	int total;
+	unsigned int len = 0;
+	m_list_elem *iter;
+	/* Fill out -i, -y, -W options that make sense for all
+	 * the intermediate processes */
+	for (iter = cli_opts.privkeys->first; iter; iter = iter->next)
+	{
+		sign_key * key = (sign_key*)iter->item;
+		len += 3 + strlen(key->filename);
+	}
+	len += 30; // space for -W <size>, terminator.
+	ret = m_malloc(len);
+	total = 0;
 
-	uid_t uid;
-	struct passwd *pw = NULL; 
+	if (cli_opts.no_hostkey_check)
+	{
+		int written = snprintf(ret+total, len-total, "-y -y ");
+		total += written;
+	}
+	else if (cli_opts.always_accept_key)
+	{
+		int written = snprintf(ret+total, len-total, "-y ");
+		total += written;
+	}
+
+	if (opts.recv_window != DEFAULT_RECV_WINDOW)
+	{
+		int written = snprintf(ret+total, len-total, "-W %d ", opts.recv_window);
+		total += written;
+	}
+
+	for (iter = cli_opts.privkeys->first; iter; iter = iter->next)
+	{
+		sign_key * key = (sign_key*)iter->item;
+		const size_t size = len - total;
+		int written = snprintf(ret+total, size, "-i %s ", key->filename);
+		dropbear_assert((unsigned int)written < size);
+		total += written;
+	}
+
+	/* if args were passed, total will be not zero, and it will have a space at the end, so remove that */
+	if (total > 0) 
+	{
+		total--;
+	}
+
+	return ret;
+}
+
+/* Sets up 'onion-forwarding' connections. This will spawn
+ * a separate dbclient process for each hop.
+ * As an example, if the cmdline is
+ *   dbclient wrt,madako,canyons
+ * then we want to run:
+ *   dbclient -J "dbclient -B canyons:22 wrt,madako" canyons
+ * and then the inner dbclient will recursively run:
+ *   dbclient -J "dbclient -B madako:22 wrt" madako
+ * etc for as many hosts as we want.
+ *
+ * Ports for hosts can be specified as host/port.
+ */
+static void parse_multihop_hostname(const char* orighostarg, const char* argv0) {
 	char *userhostarg = NULL;
+	char *hostbuf = NULL;
+	char *last_hop = NULL;
+	char *remainder = NULL;
+
+	/* both scp and rsync parse a user@host argument
+	 * and turn it into "-l user host". This breaks
+	 * for our multihop syntax, so we suture it back together.
+	 * This will break usernames that have both '@' and ',' in them,
+	 * though that should be fairly uncommon. */
+	if (cli_opts.username 
+			&& strchr(cli_opts.username, ',') 
+			&& strchr(cli_opts.username, '@')) {
+		unsigned int len = strlen(orighostarg) + strlen(cli_opts.username) + 2;
+		hostbuf = m_malloc(len);
+		snprintf(hostbuf, len, "%s@%s", cli_opts.username, orighostarg);
+	} else {
+		hostbuf = m_strdup(orighostarg);
+	}
+	userhostarg = hostbuf;
+
+	last_hop = strrchr(userhostarg, ',');
+	if (last_hop) {
+		if (last_hop == userhostarg) {
+			dropbear_exit("Bad multi-hop hostnames");
+		}
+		*last_hop = '\0';
+		last_hop++;
+		remainder = userhostarg;
+		userhostarg = last_hop;
+	}
+
+	parse_hostname(userhostarg);
+
+	if (last_hop) {
+		/* Set up the proxycmd */
+		unsigned int cmd_len = 0;
+		char *passthrough_args = multihop_passthrough_args();
+		if (cli_opts.proxycmd) {
+			dropbear_exit("-J can't be used with multihop mode");
+		}
+		if (cli_opts.remoteport == NULL) {
+			cli_opts.remoteport = "22";
+		}
+		cmd_len = strlen(argv0) + strlen(remainder) 
+			+ strlen(cli_opts.remotehost) + strlen(cli_opts.remoteport)
+			+ strlen(passthrough_args)
+			+ 30;
+		cli_opts.proxycmd = m_malloc(cmd_len);
+		snprintf(cli_opts.proxycmd, cmd_len, "%s -B %s:%s %s %s", 
+				argv0, cli_opts.remotehost, cli_opts.remoteport, 
+				passthrough_args, remainder);
+#ifndef DISABLE_ZLIB
+		/* The stream will be incompressible since it's encrypted. */
+		opts.enable_compress = 0;
+#endif
+		m_free(passthrough_args);
+	}
+	m_free(hostbuf);
+}
+#endif /* !ENABLE_CLI_MULTIHOP */
+
+/* Parses a [user@]hostname[/port] argument. */
+static void parse_hostname(const char* orighostarg) {
+	char *userhostarg = NULL;
+	char *port = NULL;
 
-	/* We probably don't want to be editing argvs */
 	userhostarg = m_strdup(orighostarg);
 
 	cli_opts.remotehost = strchr(userhostarg, '@');
@@ -320,14 +607,17 @@ static void parsehostname(char* orighostarg) {
 	}
 
 	if (cli_opts.username == NULL) {
-		uid = getuid();
-		
-		pw = getpwuid(uid);
-		if (pw == NULL || pw->pw_name == NULL) {
-			dropbear_exit("Unknown own user");
-		}
+		cli_opts.username = m_strdup(cli_opts.own_user);
+	}
 
-		cli_opts.username = m_strdup(pw->pw_name);
+	port = strchr(cli_opts.remotehost, '%');
+	if (!port)  {
+		// legacy separator
+		port = strchr(cli_opts.remotehost, '/');
+	}
+	if (port) {
+		*port = '\0';
+		cli_opts.remoteport = port+1;
 	}
 
 	if (cli_opts.remotehost[0] == '\0') {
@@ -335,58 +625,127 @@ static void parsehostname(char* orighostarg) {
 	}
 }
 
-#ifdef ENABLE_CLI_ANYTCPFWD
-/* Turn a "listenport:remoteaddr:remoteport" string into into a forwarding
- * set, and add it to the forwarding list */
-static void addforward(char* origstr, struct TCPFwdList** fwdlist) {
+#ifdef ENABLE_CLI_NETCAT
+static void add_netcat(const char* origstr) {
+	char *portstr = NULL;
+	
+	char * str = m_strdup(origstr);
+	
+	portstr = strchr(str, ':');
+	if (portstr == NULL) {
+		TRACE(("No netcat port"))
+		goto fail;
+	}
+	*portstr = '\0';
+	portstr++;
+	
+	if (strchr(portstr, ':')) {
+		TRACE(("Multiple netcat colons"))
+		goto fail;
+	}
+	
+	if (m_str_to_uint(portstr, &cli_opts.netcat_port) == DROPBEAR_FAILURE) {
+		TRACE(("bad netcat port"))
+		goto fail;
+	}
+	
+	if (cli_opts.netcat_port > 65535) {
+		TRACE(("too large netcat port"))
+		goto fail;
+	}
+	
+	cli_opts.netcat_host = str;
+	return;
+	
+fail:
+	dropbear_exit("Bad netcat endpoint '%s'", origstr);
+}
+#endif
 
+static void fill_own_user() {
+	uid_t uid;
+	struct passwd *pw = NULL; 
+
+	uid = getuid();
+
+	pw = getpwuid(uid);
+	if (pw == NULL || pw->pw_name == NULL) {
+		dropbear_exit("Unknown own user");
+	}
+
+	cli_opts.own_user = m_strdup(pw->pw_name);
+}
+
+#ifdef ENABLE_CLI_ANYTCPFWD
+/* Turn a "[listenaddr:]listenport:remoteaddr:remoteport" string into into a forwarding
+ * set, and add it to the forwarding list */
+static void addforward(const char* origstr, m_list *fwdlist) {
+
+	char *part1 = NULL, *part2 = NULL, *part3 = NULL, *part4 = NULL;
+	char * listenaddr = NULL;
 	char * listenport = NULL;
-	char * connectport = NULL;
 	char * connectaddr = NULL;
-	struct TCPFwdList* newfwd = NULL;
+	char * connectport = NULL;
+	struct TCPFwdEntry* newfwd = NULL;
 	char * str = NULL;
 
 	TRACE(("enter addforward"))
 
-	/* We probably don't want to be editing argvs */
+	/* We need to split the original argument up. This var
+	   is never free()d. */ 
 	str = m_strdup(origstr);
 
-	listenport = str;
+	part1 = str;
 
-	connectaddr = strchr(str, ':');
-	if (connectaddr == NULL) {
-		TRACE(("connectaddr == NULL"))
+	part2 = strchr(str, ':');
+	if (part2 == NULL) {
+		TRACE(("part2 == NULL"))
 		goto fail;
 	}
+	*part2 = '\0';
+	part2++;
 
-	connectaddr[0] = '\0';
-	connectaddr++;
-
-	connectport = strchr(connectaddr, ':');
-	if (connectport == NULL) {
-		TRACE(("connectport == NULL"))
+	part3 = strchr(part2, ':');
+	if (part3 == NULL) {
+		TRACE(("part3 == NULL"))
 		goto fail;
 	}
+	*part3 = '\0';
+	part3++;
 
-	connectport[0] = '\0';
-	connectport++;
+	part4 = strchr(part3, ':');
+	if (part4) {
+		*part4 = '\0';
+		part4++;
+	}
 
-	newfwd = (struct TCPFwdList*)m_malloc(sizeof(struct TCPFwdList));
+	if (part4) {
+		listenaddr = part1;
+		listenport = part2;
+		connectaddr = part3;
+		connectport = part4;
+	} else {
+		listenaddr = NULL;
+		listenport = part1;
+		connectaddr = part2;
+		connectport = part3;
+	}
+
+	newfwd = m_malloc(sizeof(struct TCPFwdEntry));
 
 	/* Now we check the ports - note that the port ints are unsigned,
 	 * the check later only checks for >= MAX_PORT */
-	newfwd->listenport = strtol(listenport, NULL, 10);
-	if (errno != 0) {
-		TRACE(("bad listenport strtol"))
+	if (m_str_to_uint(listenport, &newfwd->listenport) == DROPBEAR_FAILURE) {
+		TRACE(("bad listenport strtoul"))
 		goto fail;
 	}
 
-	newfwd->connectport = strtol(connectport, NULL, 10);
-	if (errno != 0) {
-		TRACE(("bad connectport strtol"))
+	if (m_str_to_uint(connectport, &newfwd->connectport) == DROPBEAR_FAILURE) {
+		TRACE(("bad connectport strtoul"))
 		goto fail;
 	}
 
+	newfwd->listenaddr = listenaddr;
 	newfwd->connectaddr = connectaddr;
 
 	if (newfwd->listenport > 65535) {
@@ -399,8 +758,8 @@ static void addforward(char* origstr, struct TCPFwdList** fwdlist) {
 		goto badport;
 	}
 
-	newfwd->next = *fwdlist;
-	*fwdlist = newfwd;
+	newfwd->have_reply = 0;
+	list_append(fwdlist, newfwd);
 
 	TRACE(("leave addforward: done"))
 	return;

cli-service.c

@@ -1,87 +0,0 @@
-/*
- * Dropbear SSH
- * 
- * Copyright (c) 2002,2003 Matt Johnston
- * Copyright (c) 2004 by Mihnea Stoenescu
- * All rights reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE. */
-
-#include "includes.h"
-#include "service.h"
-#include "dbutil.h"
-#include "packet.h"
-#include "buffer.h"
-#include "session.h"
-#include "ssh.h"
-
-void send_msg_service_request(char* servicename) {
-
-	TRACE(("enter send_msg_service_request: servicename='%s'", servicename))
-
-	CHECKCLEARTOWRITE();
-
-	buf_putbyte(ses.writepayload, SSH_MSG_SERVICE_REQUEST);
-	buf_putstring(ses.writepayload, servicename, strlen(servicename));
-
-	encrypt_packet();
-	TRACE(("leave send_msg_service_request"))
-}
-
-/* This just sets up the state variables right for the main client session loop
- * to deal with */
-void recv_msg_service_accept() {
-
-	unsigned char* servicename;
-	unsigned int len;
-
-	TRACE(("enter recv_msg_service_accept"))
-
-	servicename = buf_getstring(ses.payload, &len);
-
-	/* ssh-userauth */
-	if (cli_ses.state == SERVICE_AUTH_REQ_SENT
-			&& len == SSH_SERVICE_USERAUTH_LEN
-			&& strncmp(SSH_SERVICE_USERAUTH, servicename, len) == 0) {
-
-		cli_ses.state = SERVICE_AUTH_ACCEPT_RCVD;
-		m_free(servicename);
-		TRACE(("leave recv_msg_service_accept: done ssh-userauth"))
-		return;
-	}
-
-	/* ssh-connection */
-	if (cli_ses.state == SERVICE_CONN_REQ_SENT
-			&& len == SSH_SERVICE_CONNECTION_LEN 
-			&& strncmp(SSH_SERVICE_CONNECTION, servicename, len) == 0) {
-
-		if (ses.authstate.authdone != 1) {
-			dropbear_exit("request for connection before auth");
-		}
-
-		cli_ses.state = SERVICE_CONN_ACCEPT_RCVD;
-		m_free(servicename);
-		TRACE(("leave recv_msg_service_accept: done ssh-connection"))
-		return;
-	}
-
-	dropbear_exit("unrecognised service accept");
-	/* m_free(servicename); not reached */
-
-}

cli-session.c

@@ -35,11 +35,14 @@
 #include "service.h"
 #include "runopts.h"
 #include "chansession.h"
+#include "agentfwd.h"
 
 static void cli_remoteclosed();
 static void cli_sessionloop();
 static void cli_session_init();
 static void cli_finished();
+static void recv_msg_service_accept(void);
+static void cli_session_cleanup(void);
 
 struct clientsession cli_ses; /* GLOBAL */
 
@@ -64,23 +67,30 @@ static const packettype cli_packettypes[] = {
 	{SSH_MSG_CHANNEL_OPEN_FAILURE, recv_msg_channel_open_failure},
 	{SSH_MSG_USERAUTH_BANNER, recv_msg_userauth_banner}, /* client */
 	{SSH_MSG_USERAUTH_SPECIFIC_60, recv_msg_userauth_specific_60}, /* client */
+#ifdef  ENABLE_CLI_REMOTETCPFWD
+	{SSH_MSG_REQUEST_SUCCESS, cli_recv_msg_request_success}, /* client */
+	{SSH_MSG_REQUEST_FAILURE, cli_recv_msg_request_failure}, /* client */
+#endif
 	{0, 0} /* End */
 };
 
 static const struct ChanType *cli_chantypes[] = {
 #ifdef ENABLE_CLI_REMOTETCPFWD
 	&cli_chan_tcpremote,
+#endif
+#ifdef ENABLE_CLI_AGENTFWD
+	&cli_chan_agent,
 #endif
 	NULL /* Null termination */
 };
 
-void cli_session(int sock, char* remotehost) {
+void cli_session(int sock_in, int sock_out) {
 
 	seedrandom();
 
 	crypto_init();
 
-	common_session_init(sock, remotehost);
+	common_session_init(sock_in, sock_out);
 
 	chaninitialise(cli_chantypes);
 
@@ -91,7 +101,7 @@ void cli_session(int sock, char* remotehost) {
 	sessinitdone = 1;
 
 	/* Exchange identification */
-	session_identification();
+	send_session_identification();
 
 	send_msg_kexinit();
 
@@ -101,6 +111,12 @@ void cli_session(int sock, char* remotehost) {
 
 }
 
+#ifdef USE_KEX_FIRST_FOLLOWS
+static void cli_send_kex_first_guess() {
+	send_msg_kexdh_init();
+}
+#endif
+
 static void cli_session_init() {
 
 	cli_ses.state = STATE_NOTHING;
@@ -125,39 +141,70 @@ static void cli_session_init() {
 	cli_ses.lastprivkey = NULL;
 	cli_ses.lastauthtype = 0;
 
+#ifdef DROPBEAR_NONE_CIPHER
+	cli_ses.cipher_none_after_auth = get_algo_usable(sshciphers, "none");
+	set_algo_usable(sshciphers, "none", 0);
+#else
+	cli_ses.cipher_none_after_auth = 0;
+#endif
+
 	/* For printing "remote host closed" for the user */
 	ses.remoteclosed = cli_remoteclosed;
-	ses.buf_match_algo = cli_buf_match_algo;
+
+	ses.extra_session_cleanup = cli_session_cleanup;
 
 	/* packet handlers */
 	ses.packettypes = cli_packettypes;
 
 	ses.isserver = 0;
+
+#ifdef USE_KEX_FIRST_FOLLOWS
+	ses.send_kex_first_guess = cli_send_kex_first_guess;
+#endif
+
+}
+
+static void send_msg_service_request(char* servicename) {
+
+	TRACE(("enter send_msg_service_request: servicename='%s'", servicename))
+
+	CHECKCLEARTOWRITE();
+
+	buf_putbyte(ses.writepayload, SSH_MSG_SERVICE_REQUEST);
+	buf_putstring(ses.writepayload, servicename, strlen(servicename));
+
+	encrypt_packet();
+	TRACE(("leave send_msg_service_request"))
+}
+
+static void recv_msg_service_accept(void) {
+	// do nothing, if it failed then the server MUST have disconnected
 }
 
 /* This function drives the progress of the session - it initiates KEX,
  * service, userauth and channel requests */
 static void cli_sessionloop() {
 
-	TRACE(("enter cli_sessionloop"))
+	TRACE2(("enter cli_sessionloop"))
 
-	if (ses.lastpacket == SSH_MSG_KEXINIT && cli_ses.kex_state == KEX_NOTHING) {
-		cli_ses.kex_state = KEXINIT_RCVD;
+	if (ses.lastpacket == 0) {
+		TRACE2(("exit cli_sessionloop: no real packets yet"))
+		return;
 	}
 
-	if (cli_ses.kex_state == KEXINIT_RCVD) {
-
+	if (ses.lastpacket == SSH_MSG_KEXINIT && cli_ses.kex_state == KEX_NOTHING) {
 		/* We initiate the KEXDH. If DH wasn't the correct type, the KEXINIT
 		 * negotiation would have failed. */
-		send_msg_kexdh_init();
-		cli_ses.kex_state = KEXDH_INIT_SENT;
+		if (!ses.kexstate.our_first_follows_matches) {
+			send_msg_kexdh_init();
+		}
+		cli_ses.kex_state = KEXDH_INIT_SENT;			
 		TRACE(("leave cli_sessionloop: done with KEXINIT_RCVD"))
 		return;
 	}
 
 	/* A KEX has finished, so we should go back to our KEX_NOTHING state */
-	if (cli_ses.kex_state != KEX_NOTHING && ses.kexstate.recvkexinit == 0
-			&& ses.kexstate.sentkexinit == 0) {
+	if (cli_ses.kex_state != KEX_NOTHING && ses.kexstate.sentnewkeys) {
 		cli_ses.kex_state = KEX_NOTHING;
 	}
 
@@ -167,10 +214,10 @@ static void cli_sessionloop() {
 		return;
 	}
 
-	/* We should exit if we haven't donefirstkex: we shouldn't reach here
-	 * in normal operation */
 	if (ses.kexstate.donefirstkex == 0) {
-		TRACE(("XXX XXX might be bad! leave cli_sessionloop: haven't donefirstkex"))
+		/* We might reach here if we have partial packet reads or have
+		 * received SSG_MSG_IGNORE etc. Just skip it */
+		TRACE2(("donefirstkex false\n"))
 		return;
 	}
 
@@ -180,51 +227,67 @@ static void cli_sessionloop() {
 			/* We've got the transport layer sorted, we now need to request
 			 * userauth */
 			send_msg_service_request(SSH_SERVICE_USERAUTH);
-			cli_ses.state = SERVICE_AUTH_REQ_SENT;
-			TRACE(("leave cli_sessionloop: sent userauth service req"))
-			return;
-
-		/* userauth code */
-		case SERVICE_AUTH_ACCEPT_RCVD:
 			cli_auth_getmethods();
 			cli_ses.state = USERAUTH_REQ_SENT;
 			TRACE(("leave cli_sessionloop: sent userauth methods req"))
 			return;
 			
 		case USERAUTH_FAIL_RCVD:
-			cli_auth_try();
+			if (cli_auth_try() == DROPBEAR_FAILURE) {
+				dropbear_exit("No auth methods could be used.");
+			}
 			cli_ses.state = USERAUTH_REQ_SENT;
 			TRACE(("leave cli_sessionloop: cli_auth_try"))
 			return;
 
-			/*
 		case USERAUTH_SUCCESS_RCVD:
-			send_msg_service_request(SSH_SERVICE_CONNECTION);
-			cli_ses.state = SERVICE_CONN_REQ_SENT;
-			TRACE(("leave cli_sessionloop: sent ssh-connection service req"))
-			return;
 
-		case SERVICE_CONN_ACCEPT_RCVD:
-			cli_send_chansess_request();
-			TRACE(("leave cli_sessionloop: cli_send_chansess_request"))
-			cli_ses.state = SESSION_RUNNING;
-			return;
-			*/
+#ifdef DROPBEAR_NONE_CIPHER
+			if (cli_ses.cipher_none_after_auth)
+			{
+				set_algo_usable(sshciphers, "none", 1);
+				send_msg_kexinit();
+			}
+#endif
+
+			if (cli_opts.backgrounded) {
+				int devnull;
+				/* keeping stdin open steals input from the terminal and
+				   is confusing, though stdout/stderr could be useful. */
+				devnull = open(_PATH_DEVNULL, O_RDONLY);
+				if (devnull < 0) {
+					dropbear_exit("Opening /dev/null: %d %s",
+							errno, strerror(errno));
+				}
+				dup2(devnull, STDIN_FILENO);
+				if (daemon(0, 1) < 0) {
+					dropbear_exit("Backgrounding failed: %d %s", 
+							errno, strerror(errno));
+				}
+			}
+			
+#ifdef ENABLE_CLI_NETCAT
+			if (cli_opts.netcat_host) {
+				cli_send_netcat_request();
+			} else 
+#endif
+			if (!cli_opts.no_cmd) {
+				cli_send_chansess_request();
+			}
 
-		case USERAUTH_SUCCESS_RCVD:
 #ifdef ENABLE_CLI_LOCALTCPFWD
 			setup_localtcp();
 #endif
 #ifdef ENABLE_CLI_REMOTETCPFWD
 			setup_remotetcp();
 #endif
-			cli_send_chansess_request();
-			TRACE(("leave cli_sessionloop: cli_send_chansess_request"))
+
+			TRACE(("leave cli_sessionloop: running"))
 			cli_ses.state = SESSION_RUNNING;
 			return;
 
 		case SESSION_RUNNING:
-			if (ses.chancount < 1) {
+			if (ses.chancount < 1 && !cli_opts.no_cmd) {
 				cli_finished();
 			}
 
@@ -240,11 +303,11 @@ static void cli_sessionloop() {
 		break;
 	}
 
-	TRACE(("leave cli_sessionloop: fell out"))
+	TRACE2(("leave cli_sessionloop: fell out"))
 
 }
 
-void cli_session_cleanup() {
+static void cli_session_cleanup(void) {
 
 	if (!sessinitdone) {
 		return;
@@ -262,8 +325,7 @@ void cli_session_cleanup() {
 
 static void cli_finished() {
 
-	cli_session_cleanup();
-	common_session_cleanup();
+	session_cleanup();
 	fprintf(stderr, "Connection to %s@%s:%s closed.\n", cli_opts.username,
 			cli_opts.remotehost, cli_opts.remoteport);
 	exit(cli_ses.retval);
@@ -275,9 +337,11 @@ static void cli_remoteclosed() {
 
 	/* XXX TODO perhaps print a friendlier message if we get this but have
 	 * already sent/received disconnect message(s) ??? */
-	close(ses.sock);
-	ses.sock = -1;
-	dropbear_exit("remote closed the connection");
+	m_close(ses.sock_in);
+	m_close(ses.sock_out);
+	ses.sock_in = -1;
+	ses.sock_out = -1;
+	dropbear_exit("Remote closed the connection");
 }
 
 /* Operates in-place turning dirty (untrusted potentially containing control

cli-tcpfwd.c

@@ -45,7 +45,9 @@ const struct ChanType cli_chan_tcpremote = {
 #endif
 
 #ifdef ENABLE_CLI_LOCALTCPFWD
-static int cli_localtcp(unsigned int listenport, const char* remoteaddr,
+static int cli_localtcp(const char* listenaddr, 
+		unsigned int listenport, 
+		const char* remoteaddr,
 		unsigned int remoteport);
 static const struct ChanType cli_chan_tcplocal = {
 	1, /* sepfds */
@@ -59,33 +61,33 @@ static const struct ChanType cli_chan_tcplocal = {
 
 #ifdef ENABLE_CLI_LOCALTCPFWD
 void setup_localtcp() {
-
+	m_list_elem *iter;
 	int ret;
 
 	TRACE(("enter setup_localtcp"))
 
-	if (cli_opts.localfwds == NULL) {
-		TRACE(("cli_opts.localfwds == NULL"))
-	}
-
-	while (cli_opts.localfwds != NULL) {
-		ret = cli_localtcp(cli_opts.localfwds->listenport,
-				cli_opts.localfwds->connectaddr,
-				cli_opts.localfwds->connectport);
+	for (iter = cli_opts.localfwds->first; iter; iter = iter->next) {
+		struct TCPFwdEntry * fwd = (struct TCPFwdEntry*)iter->item;
+		ret = cli_localtcp(
+				fwd->listenaddr,
+				fwd->listenport,
+				fwd->connectaddr,
+				fwd->connectport);
 		if (ret == DROPBEAR_FAILURE) {
-			dropbear_log(LOG_WARNING, "Failed local port forward %d:%s:%d",
-					cli_opts.localfwds->listenport,
-					cli_opts.localfwds->connectaddr,
-					cli_opts.localfwds->connectport);
-		}
-
-		cli_opts.localfwds = cli_opts.localfwds->next;
+			dropbear_log(LOG_WARNING, "Failed local port forward %s:%d:%s:%d",
+					fwd->listenaddr,
+					fwd->listenport,
+					fwd->connectaddr,
+					fwd->connectport);
+		}		
 	}
 	TRACE(("leave setup_localtcp"))
 
 }
 
-static int cli_localtcp(unsigned int listenport, const char* remoteaddr,
+static int cli_localtcp(const char* listenaddr, 
+		unsigned int listenport, 
+		const char* remoteaddr,
 		unsigned int remoteport) {
 
 	struct TCPListener* tcpinfo = NULL;
@@ -99,10 +101,17 @@ static int cli_localtcp(unsigned int listenport, const char* remoteaddr,
 	tcpinfo->sendaddr = m_strdup(remoteaddr);
 	tcpinfo->sendport = remoteport;
 
-	if (opts.listen_fwd_all) {
-		tcpinfo->listenaddr = m_strdup("");
-	} else {
-		tcpinfo->listenaddr = m_strdup("localhost");
+	if (listenaddr)
+	{
+		tcpinfo->listenaddr = m_strdup(listenaddr);
+	}
+	else
+	{
+		if (opts.listen_fwd_all) {
+			tcpinfo->listenaddr = m_strdup("");
+		} else {
+			tcpinfo->listenaddr = m_strdup("localhost");
+		}
 	}
 	tcpinfo->listenport = listenport;
 
@@ -120,22 +129,15 @@ static int cli_localtcp(unsigned int listenport, const char* remoteaddr,
 #endif /* ENABLE_CLI_LOCALTCPFWD */
 
 #ifdef  ENABLE_CLI_REMOTETCPFWD
-static void send_msg_global_request_remotetcp(int port) {
+static void send_msg_global_request_remotetcp(const char *addr, int port) {
 
-	char* listenspec = NULL;
 	TRACE(("enter send_msg_global_request_remotetcp"))
 
 	CHECKCLEARTOWRITE();
 	buf_putbyte(ses.writepayload, SSH_MSG_GLOBAL_REQUEST);
 	buf_putstring(ses.writepayload, "tcpip-forward", 13);
-	buf_putbyte(ses.writepayload, 0);
-	if (opts.listen_fwd_all) {
-		listenspec = "";
-	} else {
-		listenspec = "localhost";
-	}
-	/* TODO: IPv6? */;
-	buf_putstring(ses.writepayload, listenspec, strlen(listenspec));
+	buf_putbyte(ses.writepayload, 1); /* want_reply */
+	buf_putstring(ses.writepayload, addr, strlen(addr));
 	buf_putint(ses.writepayload, port);
 
 	encrypt_packet();
@@ -143,57 +145,100 @@ static void send_msg_global_request_remotetcp(int port) {
 	TRACE(("leave send_msg_global_request_remotetcp"))
 }
 
+/* The only global success/failure messages are for remotetcp.
+ * Since there isn't any identifier in these messages, we have to rely on them
+ * being in the same order as we sent the requests. This is the ordering
+ * of the cli_opts.remotefwds list.
+ * If the requested remote port is 0 the listen port will be
+ * dynamically allocated by the server and the port number will be returned
+ * to client and the port number reported to the user. */
+void cli_recv_msg_request_success() {
+	/* We just mark off that we have received the reply,
+	 * so that we can report failure for later ones. */
+	m_list_elem * iter = NULL;
+	for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
+		struct TCPFwdEntry *fwd = (struct TCPFwdEntry*)iter->item;
+		if (!fwd->have_reply) {
+			fwd->have_reply = 1;
+			if (fwd->listenport == 0) {
+				/* The server should let us know which port was allocated if we requestd port 0 */
+				int allocport = buf_getint(ses.payload);
+				if (allocport > 0) {
+					dropbear_log(LOG_INFO, "Allocated port %d for remote forward to %s:%d", 
+							allocport, fwd->connectaddr, fwd->connectport);
+				}
+			}
+			return;
+		}
+	}
+}
+
+void cli_recv_msg_request_failure() {
+	m_list_elem *iter;
+	for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
+		struct TCPFwdEntry *fwd = (struct TCPFwdEntry*)iter->item;
+		if (!fwd->have_reply) {
+			fwd->have_reply = 1;
+			dropbear_log(LOG_WARNING, "Remote TCP forward request failed (port %d -> %s:%d)", fwd->listenport, fwd->connectaddr, fwd->connectport);
+			return;
+		}
+	}
+}
+
 void setup_remotetcp() {
-
-	struct TCPFwdList * iter = NULL;
-
+	m_list_elem *iter;
 	TRACE(("enter setup_remotetcp"))
 
-	if (cli_opts.remotefwds == NULL) {
-		TRACE(("cli_opts.remotefwds == NULL"))
+	for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
+		struct TCPFwdEntry *fwd = (struct TCPFwdEntry*)iter->item;
+		if (!fwd->listenaddr)
+		{
+			// we store the addresses so that we can compare them
+			// when the server sends them back
+			if (opts.listen_fwd_all) {
+				fwd->listenaddr = m_strdup("");
+			} else {
+				fwd->listenaddr = m_strdup("localhost");
+			}
+		}
+		send_msg_global_request_remotetcp(fwd->listenaddr, fwd->listenport);
 	}
 
-	iter = cli_opts.remotefwds;
-
-	while (iter != NULL) {
-		send_msg_global_request_remotetcp(iter->listenport);
-		iter = iter->next;
-	}
 	TRACE(("leave setup_remotetcp"))
 }
 
 static int newtcpforwarded(struct Channel * channel) {
 
+    char *origaddr = NULL;
 	unsigned int origport;
-	struct TCPFwdList * iter = NULL;
+	m_list_elem * iter = NULL;
+	struct TCPFwdEntry *fwd;
 	char portstring[NI_MAXSERV];
 	int sock;
 	int err = SSH_OPEN_ADMINISTRATIVELY_PROHIBITED;
 
-	/* We don't care what address they connected to */
-	buf_eatstring(ses.payload);
-
+	origaddr = buf_getstring(ses.payload, NULL);
 	origport = buf_getint(ses.payload);
 
 	/* Find which port corresponds */
-	iter = cli_opts.remotefwds;
-
-	while (iter != NULL) {
-		if (origport == iter->listenport) {
+	for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
+		fwd = (struct TCPFwdEntry*)iter->item;
+		if (origport == fwd->listenport
+				&& (strcmp(origaddr, fwd->listenaddr) == 0)) {
 			break;
 		}
-		iter = iter->next;
 	}
 
 	if (iter == NULL) {
 		/* We didn't request forwarding on that port */
-		dropbear_log(LOG_INFO, "Server send unrequested port, from port %d", 
-										origport);
+        cleantext(origaddr);
+		dropbear_log(LOG_INFO, "Server sent unrequested forward from \"%s:%d\"", 
+                origaddr, origport);
 		goto out;
 	}
 	
-	snprintf(portstring, sizeof(portstring), "%d", iter->connectport);
-	sock = connect_remote(iter->connectaddr, portstring, 1, NULL);
+	snprintf(portstring, sizeof(portstring), "%d", fwd->connectport);
+	sock = connect_remote(fwd->connectaddr, portstring, 1, NULL);
 	if (sock < 0) {
 		TRACE(("leave newtcpdirect: sock failed"))
 		err = SSH_OPEN_CONNECT_FAILED;
@@ -210,6 +255,7 @@ static int newtcpforwarded(struct Channel * channel) {
 	err = SSH_OPEN_IN_PROGRESS;
 
 out:
+	m_free(origaddr);
 	TRACE(("leave newtcpdirect: err %d", err))
 	return err;
 }

common-algo.c

@@ -24,35 +24,52 @@
  * SOFTWARE. */
 
 #include "algo.h"
+#include "session.h"
 #include "dbutil.h"
 
 /* This file (algo.c) organises the ciphers which can be used, and is used to
  * decide which ciphers/hashes/compression/signing to use during key exchange*/
 
+static int void_cipher(const unsigned char* in, unsigned char* out,
+		unsigned long len, void *cipher_state) {
+	if (in != out) {
+		memmove(out, in, len);
+	}
+	return CRYPT_OK;
+}
+
+static int void_start(int cipher, const unsigned char *IV, 
+			const unsigned char *key, 
+			int keylen, int num_rounds, void *cipher_state) {
+	return CRYPT_OK;
+}
+
 /* Mappings for ciphers, parameters are
    {&cipher_desc, keysize, blocksize} */
 
-#ifdef DROPBEAR_AES256_CBC
+/* Remember to add new ciphers/hashes to regciphers/reghashes too */
+
+#ifdef DROPBEAR_AES256
 static const struct dropbear_cipher dropbear_aes256 = 
 	{&aes_desc, 32, 16};
 #endif
-#ifdef DROPBEAR_AES128_CBC
+#ifdef DROPBEAR_AES128
 static const struct dropbear_cipher dropbear_aes128 = 
 	{&aes_desc, 16, 16};
 #endif
-#ifdef DROPBEAR_BLOWFISH_CBC
+#ifdef DROPBEAR_BLOWFISH
 static const struct dropbear_cipher dropbear_blowfish = 
 	{&blowfish_desc, 16, 8};
 #endif
-#ifdef DROPBEAR_TWOFISH256_CBC
+#ifdef DROPBEAR_TWOFISH256
 static const struct dropbear_cipher dropbear_twofish256 = 
 	{&twofish_desc, 32, 16};
 #endif
-#ifdef DROPBEAR_TWOFISH128_CBC
+#ifdef DROPBEAR_TWOFISH128
 static const struct dropbear_cipher dropbear_twofish128 = 
 	{&twofish_desc, 16, 16};
 #endif
-#ifdef DROPBEAR_3DES_CBC
+#ifdef DROPBEAR_3DES
 static const struct dropbear_cipher dropbear_3des = 
 	{&des3_desc, 24, 8};
 #endif
@@ -61,6 +78,24 @@ static const struct dropbear_cipher dropbear_3des =
 const struct dropbear_cipher dropbear_nocipher =
 	{NULL, 16, 8}; 
 
+/* A few void* s are required to silence warnings
+ * about the symmetric_CBC vs symmetric_CTR cipher_state pointer */
+const struct dropbear_cipher_mode dropbear_mode_cbc =
+	{(void*)cbc_start, (void*)cbc_encrypt, (void*)cbc_decrypt};
+const struct dropbear_cipher_mode dropbear_mode_none =
+	{void_start, void_cipher, void_cipher};
+#ifdef DROPBEAR_ENABLE_CTR_MODE
+/* a wrapper to make ctr_start and cbc_start look the same */
+static int dropbear_big_endian_ctr_start(int cipher, 
+		const unsigned char *IV, 
+		const unsigned char *key, int keylen, 
+		int num_rounds, symmetric_CTR *ctr) {
+	return ctr_start(cipher, IV, key, keylen, num_rounds, CTR_COUNTER_BIG_ENDIAN, ctr);
+}
+const struct dropbear_cipher_mode dropbear_mode_ctr =
+	{(void*)dropbear_big_endian_ctr_start, (void*)ctr_encrypt, (void*)ctr_decrypt};
+#endif
+
 /* Mapping of ssh hashes to libtomcrypt hashes, including keysize etc.
    {&hash_desc, keysize, hashsize} */
 
@@ -72,6 +107,14 @@ static const struct dropbear_hash dropbear_sha1 =
 static const struct dropbear_hash dropbear_sha1_96 = 
 	{&sha1_desc, 20, 12};
 #endif
+#ifdef DROPBEAR_SHA2_256_HMAC
+static const struct dropbear_hash dropbear_sha2_256 = 
+	{&sha256_desc, 32, 32};
+#endif
+#ifdef DROPBEAR_SHA2_512_HMAC
+static const struct dropbear_hash dropbear_sha2_512 =
+	{&sha512_desc, 64, 64};
+#endif
 #ifdef DROPBEAR_MD5_HMAC
 static const struct dropbear_hash dropbear_md5 = 
 	{&md5_desc, 16, 16};
@@ -81,65 +124,102 @@ const struct dropbear_hash dropbear_nohash =
 	{NULL, 16, 0}; /* used initially */
 	
 
-/* The following map ssh names to internal values */
+/* The following map ssh names to internal values.
+ * The ordering here is important for the client - the first mode
+ * that is also supported by the server will get used. */
 
 algo_type sshciphers[] = {
-#ifdef DROPBEAR_AES128_CBC
-	{"aes128-cbc", 0, (void*)&dropbear_aes128, 1},
+#ifdef DROPBEAR_ENABLE_CTR_MODE
+#ifdef DROPBEAR_AES128
+	{"aes128-ctr", 0, &dropbear_aes128, 1, &dropbear_mode_ctr},
 #endif
-#ifdef DROPBEAR_3DES_CBC
-	{"3des-cbc", 0, (void*)&dropbear_3des, 1},
+#ifdef DROPBEAR_3DES
+	{"3des-ctr", 0, &dropbear_3des, 1, &dropbear_mode_ctr},
 #endif
-#ifdef DROPBEAR_AES256_CBC
-	{"aes256-cbc", 0, (void*)&dropbear_aes256, 1},
+#ifdef DROPBEAR_AES256
+	{"aes256-ctr", 0, &dropbear_aes256, 1, &dropbear_mode_ctr},
 #endif
-#ifdef DROPBEAR_TWOFISH256_CBC
-	{"twofish256-cbc", 0, (void*)&dropbear_twofish256, 1},
-	{"twofish-cbc", 0, (void*)&dropbear_twofish256, 1},
+#endif /* DROPBEAR_ENABLE_CTR_MODE */
+
+/* CBC modes are always enabled */
+#ifdef DROPBEAR_AES128
+	{"aes128-cbc", 0, &dropbear_aes128, 1, &dropbear_mode_cbc},
 #endif
-#ifdef DROPBEAR_TWOFISH128_CBC
-	{"twofish128-cbc", 0, (void*)&dropbear_twofish128, 1},
+#ifdef DROPBEAR_3DES
+	{"3des-cbc", 0, &dropbear_3des, 1, &dropbear_mode_cbc},
 #endif
-#ifdef DROPBEAR_BLOWFISH_CBC
-	{"blowfish-cbc", 0, (void*)&dropbear_blowfish, 1},
+#ifdef DROPBEAR_AES256
+	{"aes256-cbc", 0, &dropbear_aes256, 1, &dropbear_mode_cbc},
 #endif
-	{NULL, 0, NULL, 0}
+#ifdef DROPBEAR_TWOFISH256
+	{"twofish256-cbc", 0, &dropbear_twofish256, 1, &dropbear_mode_cbc},
+	{"twofish-cbc", 0, &dropbear_twofish256, 1, &dropbear_mode_cbc},
+#endif
+#ifdef DROPBEAR_TWOFISH128
+	{"twofish128-cbc", 0, &dropbear_twofish128, 1, &dropbear_mode_cbc},
+#endif
+#ifdef DROPBEAR_BLOWFISH
+	{"blowfish-cbc", 0, &dropbear_blowfish, 1, &dropbear_mode_cbc},
+#endif
+#ifdef DROPBEAR_NONE_CIPHER
+	{"none", 0, (void*)&dropbear_nocipher, 1, &dropbear_mode_none},
+#endif
+	{NULL, 0, NULL, 0, NULL}
 };
 
 algo_type sshhashes[] = {
+#ifdef DROPBEAR_SHA2_256_HMAC
+	{"hmac-sha2-256", 0, &dropbear_sha2_256, 1, NULL},
+#endif
+#ifdef DROPBEAR_SHA2_512_HMAC
+	{"hmac-sha2-512", 0, &dropbear_sha2_512, 1, NULL},
+#endif
 #ifdef DROPBEAR_SHA1_96_HMAC
-	{"hmac-sha1-96", 0, (void*)&dropbear_sha1_96, 1},
+	{"hmac-sha1-96", 0, &dropbear_sha1_96, 1, NULL},
 #endif
 #ifdef DROPBEAR_SHA1_HMAC
-	{"hmac-sha1", 0, (void*)&dropbear_sha1, 1},
+	{"hmac-sha1", 0, &dropbear_sha1, 1, NULL},
 #endif
 #ifdef DROPBEAR_MD5_HMAC
-	{"hmac-md5", 0, (void*)&dropbear_md5, 1},
+	{"hmac-md5", 0, (void*)&dropbear_md5, 1, NULL},
 #endif
-	{NULL, 0, NULL, 0}
+#ifdef DROPBEAR_NONE_INTEGRITY
+	{"none", 0, (void*)&dropbear_nohash, 1, NULL},
+#endif
+	{NULL, 0, NULL, 0, NULL}
 };
 
-algo_type sshcompress[] = {
 #ifndef DISABLE_ZLIB
-	{"zlib", DROPBEAR_COMP_ZLIB, NULL, 1},
+algo_type ssh_compress[] = {
+	{"zlib", DROPBEAR_COMP_ZLIB, NULL, 1, NULL},
+	{"zlib@openssh.com", DROPBEAR_COMP_ZLIB_DELAY, NULL, 1, NULL},
+	{"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
+	{NULL, 0, NULL, 0, NULL}
+};
 #endif
-	{"none", DROPBEAR_COMP_NONE, NULL, 1},
-	{NULL, 0, NULL, 0}
+
+algo_type ssh_nocompress[] = {
+	{"none", DROPBEAR_COMP_NONE, NULL, 1, NULL},
+	{NULL, 0, NULL, 0, NULL}
 };
 
 algo_type sshhostkey[] = {
 #ifdef DROPBEAR_RSA
-	{"ssh-rsa", DROPBEAR_SIGNKEY_RSA, NULL, 1},
+	{"ssh-rsa", DROPBEAR_SIGNKEY_RSA, NULL, 1, NULL},
 #endif
 #ifdef DROPBEAR_DSS
-	{"ssh-dss", DROPBEAR_SIGNKEY_DSS, NULL, 1},
+	{"ssh-dss", DROPBEAR_SIGNKEY_DSS, NULL, 1, NULL},
 #endif
-	{NULL, 0, NULL, 0}
+	{NULL, 0, NULL, 0, NULL}
 };
 
 algo_type sshkex[] = {
-	{"diffie-hellman-group1-sha1", DROPBEAR_KEX_DH_GROUP1, NULL, 1},
-	{NULL, 0, NULL, 0}
+	{"diffie-hellman-group1-sha1", DROPBEAR_KEX_DH_GROUP1, NULL, 1, NULL},
+	{"diffie-hellman-group14-sha1", DROPBEAR_KEX_DH_GROUP14, NULL, 1, NULL},
+#ifdef USE_KEXGUESS2
+	{KEXGUESS2_ALGO_NAME, KEXGUESS2_ALGO_ID, NULL, 1, NULL},
+#endif
+	{NULL, 0, NULL, 0, NULL}
 };
 
 
@@ -148,16 +228,16 @@ algo_type sshkex[] = {
 void crypto_init() {
 
 	const struct ltc_cipher_descriptor *regciphers[] = {
-#ifdef DROPBEAR_AES_CBC
+#ifdef DROPBEAR_AES
 		&aes_desc,
 #endif
-#ifdef DROPBEAR_BLOWFISH_CBC
+#ifdef DROPBEAR_BLOWFISH
 		&blowfish_desc,
 #endif
-#ifdef DROPBEAR_TWOFISH_CBC
+#ifdef DROPBEAR_TWOFISH
 		&twofish_desc,
 #endif
-#ifdef DROPBEAR_3DES_CBC
+#ifdef DROPBEAR_3DES
 		&des3_desc,
 #endif
 		NULL
@@ -168,6 +248,12 @@ void crypto_init() {
 		&sha1_desc,
 #ifdef DROPBEAR_MD5_HMAC
 		&md5_desc,
+#endif
+#ifdef DROPBEAR_SHA2_256_HMAC
+		&sha256_desc,
+#endif
+#ifdef DROPBEAR_SHA2_512_HMAC
+		&sha512_desc,
 #endif
 		NULL
 	};	
@@ -175,13 +261,13 @@ void crypto_init() {
 	
 	for (i = 0; regciphers[i] != NULL; i++) {
 		if (register_cipher(regciphers[i]) == -1) {
-			dropbear_exit("error registering crypto");
+			dropbear_exit("Error registering crypto");
 		}
 	}
 
 	for (i = 0; reghashes[i] != NULL; i++) {
 		if (register_hash(reghashes[i]) == -1) {
-			dropbear_exit("error registering crypto");
+			dropbear_exit("Error registering crypto");
 		}
 	}
 }
@@ -204,8 +290,6 @@ int have_algo(char* algo, size_t algolen, algo_type algos[]) {
 	return DROPBEAR_FAILURE;
 }
 
-
-
 /* Output a comma separated list of algorithms to a buffer */
 void buf_put_algolist(buffer * buf, algo_type localalgos[]) {
 
@@ -213,7 +297,7 @@ void buf_put_algolist(buffer * buf, algo_type localalgos[]) {
 	unsigned int donefirst = 0;
 	buffer *algolist = NULL;
 
-	algolist = buf_new(100);
+	algolist = buf_new(160);
 	for (i = 0; localalgos[i].name != NULL; i++) {
 		if (localalgos[i].usable) {
 			if (donefirst)
@@ -226,3 +310,232 @@ void buf_put_algolist(buffer * buf, algo_type localalgos[]) {
 	buf_putstring(buf, algolist->data, algolist->len);
 	buf_free(algolist);
 }
+
+/* match the first algorithm in the comma-separated list in buf which is
+ * also in localalgos[], or return NULL on failure.
+ * (*goodguess) is set to 1 if the preferred client/server algos match,
+ * 0 otherwise. This is used for checking if the kexalgo/hostkeyalgos are
+ * guessed correctly */
+algo_type * buf_match_algo(buffer* buf, algo_type localalgos[],
+		enum kexguess2_used *kexguess2, int *goodguess)
+{
+
+	unsigned char * algolist = NULL;
+	const unsigned char *remotenames[MAX_PROPOSED_ALGO], *localnames[MAX_PROPOSED_ALGO];
+	unsigned int len;
+	unsigned int remotecount, localcount, clicount, servcount, i, j;
+	algo_type * ret = NULL;
+	const unsigned char **clinames, **servnames;
+
+	if (goodguess) {
+		*goodguess = 0;
+	}
+
+	/* get the comma-separated list from the buffer ie "algo1,algo2,algo3" */
+	algolist = buf_getstring(buf, &len);
+	TRACE(("buf_match_algo: %s", algolist))
+	if (len > MAX_PROPOSED_ALGO*(MAX_NAME_LEN+1)) {
+		goto out;
+	}
+
+	/* remotenames will contain a list of the strings parsed out */
+	/* We will have at least one string (even if it's just "") */
+	remotenames[0] = algolist;
+	remotecount = 1;
+	for (i = 0; i < len; i++) {
+		if (algolist[i] == '\0') {
+			/* someone is trying something strange */
+			goto out;
+		}
+		if (algolist[i] == ',') {
+			algolist[i] = '\0';
+			remotenames[remotecount] = &algolist[i+1];
+			remotecount++;
+		}
+		if (remotecount >= MAX_PROPOSED_ALGO) {
+			break;
+		}
+	}
+	if (kexguess2 && *kexguess2 == KEXGUESS2_LOOK) {
+		for (i = 0; i < remotecount; i++)
+		{
+			if (strcmp(remotenames[i], KEXGUESS2_ALGO_NAME) == 0) {
+				*kexguess2 = KEXGUESS2_YES;
+				break;
+			}
+		}
+		if (*kexguess2 == KEXGUESS2_LOOK) {
+			*kexguess2 = KEXGUESS2_NO;
+		}
+	}
+
+	for (i = 0; localalgos[i].name != NULL; i++) {
+		if (localalgos[i].usable) {
+			localnames[i] = localalgos[i].name;
+		} else {
+			localnames[i] = NULL;
+		}
+	}
+	localcount = i;
+
+	if (IS_DROPBEAR_SERVER) {
+		clinames = remotenames;
+		clicount = remotecount;
+		servnames = localnames;
+		servcount = localcount;
+	} else {
+		clinames = localnames;
+		clicount = localcount;
+		servnames = remotenames;
+		servcount = remotecount;
+	}
+
+	/* iterate and find the first match */
+	for (i = 0; i < clicount; i++) {
+		for (j = 0; j < servcount; j++) {
+			if (!(servnames[j] && clinames[i])) {
+				// unusable algos are NULL
+				continue;
+			}
+			if (strcmp(servnames[j], clinames[i]) == 0) {
+				/* set if it was a good guess */
+				if (goodguess && kexguess2) {
+					if (*kexguess2 == KEXGUESS2_YES) {
+						if (i == 0) {
+							*goodguess = 1;
+						}
+
+					} else {
+						if (i == 0 && j == 0) {
+							*goodguess = 1;
+						}
+					}
+				}
+				/* set the algo to return */
+				if (IS_DROPBEAR_SERVER) {
+					ret = &localalgos[j];
+				} else {
+					ret = &localalgos[i];
+				}
+				goto out;
+			}
+		}
+	}
+
+out:
+	m_free(algolist);
+	return ret;
+}
+
+#ifdef DROPBEAR_NONE_CIPHER
+
+void
+set_algo_usable(algo_type algos[], const char * algo_name, int usable)
+{
+	algo_type *a;
+	for (a = algos; a->name != NULL; a++)
+	{
+		if (strcmp(a->name, algo_name) == 0)
+		{
+			a->usable = usable;
+			return;
+		}
+	}
+}
+
+int
+get_algo_usable(algo_type algos[], const char * algo_name)
+{
+	algo_type *a;
+	for (a = algos; a->name != NULL; a++)
+	{
+		if (strcmp(a->name, algo_name) == 0)
+		{
+			return a->usable;
+		}
+	}
+	return 0;
+}
+
+#endif // DROPBEAR_NONE_CIPHER
+
+#ifdef ENABLE_USER_ALGO_LIST
+
+char *
+algolist_string(algo_type algos[])
+{
+	char *ret_list;
+	buffer *b = buf_new(200);
+	buf_put_algolist(b, algos);
+	buf_setpos(b, b->len);
+	buf_putbyte(b, '\0');
+	buf_setpos(b, 4);
+	ret_list = m_strdup(buf_getptr(b, b->len - b->pos));
+	buf_free(b);
+	return ret_list;
+}
+
+static algo_type*
+check_algo(const char* algo_name, algo_type *algos)
+{
+	algo_type *a;
+	for (a = algos; a->name != NULL; a++)
+	{
+		if (strcmp(a->name, algo_name) == 0)
+		{
+			return a;
+		}
+	}
+
+	return NULL;
+}
+
+static void
+try_add_algo(const char *algo_name, algo_type *algos, 
+		const char *algo_desc, algo_type * new_algos, int *num_ret)
+{
+	algo_type *match_algo = check_algo(algo_name, algos);
+	if (!match_algo)
+	{
+		dropbear_log(LOG_WARNING, "This Dropbear program does not support '%s' %s algorithm", algo_name, algo_desc);
+		return;
+	}
+
+	new_algos[*num_ret] = *match_algo;
+	(*num_ret)++;
+}
+
+/* Checks a user provided comma-separated algorithm list for available
+ * options. Any that are not acceptable are removed in-place. Returns the
+ * number of valid algorithms. */
+int
+check_user_algos(const char* user_algo_list, algo_type * algos, 
+		const char *algo_desc)
+{
+	algo_type new_algos[MAX_PROPOSED_ALGO];
+	/* this has two passes. first we sweep through the given list of
+	 * algorithms and mark them as usable=2 in the algo_type[] array... */
+	int num_ret = 0;
+	char *work_list = m_strdup(user_algo_list);
+	char *last_name = work_list;
+	char *c;
+	for (c = work_list; *c; c++)
+	{
+		if (*c == ',')
+		{
+			*c = '\0';
+			try_add_algo(last_name, algos, algo_desc, new_algos, &num_ret);
+			c++;
+			last_name = c;
+		}
+	}
+	try_add_algo(last_name, algos, algo_desc, new_algos, &num_ret);
+	m_free(work_list);
+
+	new_algos[num_ret].name = NULL;
+
+	/* Copy one more as a blank delimiter */
+	memcpy(algos, new_algos, sizeof(*new_algos) * (num_ret+1));
+	return num_ret;
+}
+#endif // ENABLE_USER_ALGO_LIST

common-channel.c

@@ -34,6 +34,7 @@
 #include "channel.h"
 #include "ssh.h"
 #include "listener.h"
+#include "runopts.h"
 
 static void send_msg_channel_open_failure(unsigned int remotechan, int reason,
 		const unsigned char *text, const unsigned char *lang);
@@ -43,22 +44,21 @@ static void send_msg_channel_open_confirmation(struct Channel* channel,
 static void writechannel(struct Channel* channel, int fd, circbuffer *cbuf);
 static void send_msg_channel_window_adjust(struct Channel *channel, 
 		unsigned int incr);
-static void send_msg_channel_data(struct Channel *channel, int isextended,
-		unsigned int exttype);
+static void send_msg_channel_data(struct Channel *channel, int isextended);
 static void send_msg_channel_eof(struct Channel *channel);
 static void send_msg_channel_close(struct Channel *channel);
-static void removechannel(struct Channel *channel);
-static void deletechannel(struct Channel *channel);
-static void checkinitdone(struct Channel *channel);
-static void checkclose(struct Channel *channel);
-
-static void closewritefd(struct Channel * channel);
-static void closereadfd(struct Channel * channel, int fd);
-static void closechanfd(struct Channel *channel, int fd, int how);
+static void remove_channel(struct Channel *channel);
+static void check_in_progress(struct Channel *channel);
+static unsigned int write_pending(struct Channel * channel);
+static void check_close(struct Channel *channel);
+static void close_chan_fd(struct Channel *channel, int fd, int how);
 
 #define FD_UNINIT (-2)
 #define FD_CLOSED (-1)
 
+#define ERRFD_IS_READ(channel) ((channel)->extrabuf == NULL)
+#define ERRFD_IS_WRITE(channel) (!ERRFD_IS_READ(channel))
+
 /* Initialise all the channels */
 void chaninitialise(const struct ChanType *chantypes[]) {
 
@@ -85,18 +85,27 @@ void chancleanup() {
 	for (i = 0; i < ses.chansize; i++) {
 		if (ses.channels[i] != NULL) {
 			TRACE(("channel %d closing", i))
-			removechannel(ses.channels[i]);
+			remove_channel(ses.channels[i]);
 		}
 	}
 	m_free(ses.channels);
 	TRACE(("leave chancleanup"))
 }
 
+static void
+chan_initwritebuf(struct Channel *channel)
+{
+	dropbear_assert(channel->writebuf->size == 0 && channel->recvwindow == 0);
+	cbuf_free(channel->writebuf);
+	channel->writebuf = cbuf_new(opts.recv_window);
+	channel->recvwindow = opts.recv_window;
+}
+
 /* Create a new channel entry, send a reply confirm or failure */
 /* If remotechan, transwindow and transmaxpacket are not know (for a new
  * outgoing connection, with them to be filled on confirmation), they should
  * all be set to 0 */
-struct Channel* newchannel(unsigned int remotechan, 
+static struct Channel* newchannel(unsigned int remotechan, 
 		const struct ChanType *type, 
 		unsigned int transwindow, unsigned int transmaxpacket) {
 
@@ -135,8 +144,9 @@ struct Channel* newchannel(unsigned int remotechan,
 	newchan = (struct Channel*)m_malloc(sizeof(struct Channel));
 	newchan->type = type;
 	newchan->index = i;
-	newchan->sentclosed = newchan->recvclosed = 0;
-	newchan->senteof = newchan->recveof = 0;
+	newchan->sent_close = newchan->recv_close = 0;
+	newchan->sent_eof = newchan->recv_eof = 0;
+	newchan->close_handler_done = 0;
 
 	newchan->remotechan = remotechan;
 	newchan->transwindow = transwindow;
@@ -148,12 +158,14 @@ struct Channel* newchannel(unsigned int remotechan,
 	newchan->errfd = FD_CLOSED; /* this isn't always set to start with */
 	newchan->initconn = 0;
 	newchan->await_open = 0;
+	newchan->flushing = 0;
+
+	newchan->writebuf = cbuf_new(0); /* resized later by chan_initwritebuf */
+	newchan->recvwindow = 0;
 
-	newchan->writebuf = cbuf_new(RECV_MAXWINDOW);
 	newchan->extrabuf = NULL; /* The user code can set it up */
-	newchan->recvwindow = RECV_MAXWINDOW;
 	newchan->recvdonelen = 0;
-	newchan->recvmaxpacket = RECV_MAXPACKET;
+	newchan->recvmaxpacket = RECV_MAX_PAYLOAD_LEN;
 
 	ses.channels[i] = newchan;
 	ses.chancount++;
@@ -164,25 +176,35 @@ struct Channel* newchannel(unsigned int remotechan,
 }
 
 /* Returns the channel structure corresponding to the channel in the current
- * data packet (ses.payload must be positioned appropriately) */
-struct Channel* getchannel() {
+ * data packet (ses.payload must be positioned appropriately).
+ * A valid channel is always returns, it will fail fatally with an unknown
+ * channel */
+static struct Channel* getchannel_msg(const char* kind) {
 
 	unsigned int chan;
 
 	chan = buf_getint(ses.payload);
 	if (chan >= ses.chansize || ses.channels[chan] == NULL) {
-		return NULL;
+		if (kind) {
+			dropbear_exit("%s for unknown channel %d", kind, chan);
+		} else {
+			dropbear_exit("Unknown channel %d", chan);
+		}
 	}
 	return ses.channels[chan];
 }
 
+struct Channel* getchannel() {
+	return getchannel_msg(NULL);
+}
+
 /* Iterate through the channels, performing IO if available */
 void channelio(fd_set *readfds, fd_set *writefds) {
 
 	struct Channel *channel;
 	unsigned int i;
 
-	/* iterate through all the possible channels */
+	/* foreach channel */
 	for (i = 0; i < ses.chansize; i++) {
 
 		channel = ses.channels[i];
@@ -193,35 +215,38 @@ void channelio(fd_set *readfds, fd_set *writefds) {
 
 		/* read data and send it over the wire */
 		if (channel->readfd >= 0 && FD_ISSET(channel->readfd, readfds)) {
-			send_msg_channel_data(channel, 0, 0);
+			TRACE(("send normal readfd"))
+			send_msg_channel_data(channel, 0);
 		}
 
 		/* read stderr data and send it over the wire */
-		if (channel->extrabuf == NULL &&
-				channel->errfd >= 0 && FD_ISSET(channel->errfd, readfds)) {
-				send_msg_channel_data(channel, 1, SSH_EXTENDED_DATA_STDERR);
+		if (ERRFD_IS_READ(channel) && channel->errfd >= 0 
+			&& FD_ISSET(channel->errfd, readfds)) {
+				TRACE(("send normal errfd"))
+				send_msg_channel_data(channel, 1);
 		}
 
 		/* write to program/pipe stdin */
 		if (channel->writefd >= 0 && FD_ISSET(channel->writefd, writefds)) {
 			if (channel->initconn) {
-				checkinitdone(channel);
+				/* XXX should this go somewhere cleaner? */
+				check_in_progress(channel);
 				continue; /* Important not to use the channel after
-							 checkinitdone(), as it may be NULL */
+							 check_in_progress(), as it may be NULL */
 			}
 			writechannel(channel, channel->writefd, channel->writebuf);
 		}
 		
 		/* stderr for client mode */
-		if (channel->extrabuf != NULL 
+		if (ERRFD_IS_WRITE(channel)
 				&& channel->errfd >= 0 && FD_ISSET(channel->errfd, writefds)) {
 			writechannel(channel, channel->errfd, channel->extrabuf);
 		}
 	
-		/* now handle any of the channel-closing type stuff */
-		checkclose(channel);
+		/* handle any channel closing etc */
+		check_close(channel);
 
-	} /* foreach channel */
+	}
 
 	/* Listeners such as TCP, X11, agent-auth */
 #ifdef USING_LISTENERS
@@ -230,96 +255,133 @@ void channelio(fd_set *readfds, fd_set *writefds) {
 }
 
 
-/* do all the EOF/close type stuff checking for a channel */
-static void checkclose(struct Channel *channel) {
+/* Returns true if there is data remaining to be written to stdin or
+ * stderr of a channel's endpoint. */
+static unsigned int write_pending(struct Channel * channel) {
 
-	TRACE(("checkclose: writefd %d, readfd %d, errfd %d, sentclosed %d, recvclosed %d",
+	if (channel->writefd >= 0 && cbuf_getused(channel->writebuf) > 0) {
+		return 1;
+	} else if (channel->errfd >= 0 && channel->extrabuf && 
+			cbuf_getused(channel->extrabuf) > 0) {
+		return 1;
+	}
+	return 0;
+}
+
+
+/* EOF/close handling */
+static void check_close(struct Channel *channel) {
+	int close_allowed = 0;
+
+	TRACE2(("check_close: writefd %d, readfd %d, errfd %d, sent_close %d, recv_close %d",
 				channel->writefd, channel->readfd,
-				channel->errfd, channel->sentclosed, channel->recvclosed))
-	TRACE(("writebuf %d extrabuf %s extrabuf %d",
-				cbuf_getused(channel->writebuf),
-				channel->writebuf,
-				channel->writebuf ? 0 : cbuf_getused(channel->extrabuf)))
+				channel->errfd, channel->sent_close, channel->recv_close))
+	TRACE2(("writebuf size %d extrabuf size %d",
+				channel->writebuf ? cbuf_getused(channel->writebuf) : 0,
+				channel->extrabuf ? cbuf_getused(channel->extrabuf) : 0))
 
-	if (!channel->sentclosed) {
-
-		/* check for exited - currently only used for server sessions,
-		 * if the shell has exited etc */
-		if (channel->type->checkclose) {
-			if (channel->type->checkclose(channel)) {
-				closewritefd(channel);
-			}
-		}
-
-		if (!channel->senteof
-			&& channel->readfd == FD_CLOSED 
-			&& (channel->extrabuf != NULL || channel->errfd == FD_CLOSED)) {
-			send_msg_channel_eof(channel);
-		}
-
-		if (channel->writefd == FD_CLOSED
-			&& channel->readfd == FD_CLOSED
-			&& (channel->extrabuf != NULL || channel->errfd == FD_CLOSED)) {
-			send_msg_channel_close(channel);
-		}
+	if (!channel->flushing 
+		&& !channel->close_handler_done
+		&& channel->type->check_close
+		&& channel->type->check_close(channel))
+	{
+		channel->flushing = 1;
+	}
+	
+	/* if a type-specific check_close is defined we will only exit
+	   once that has been triggered. this is only used for a server "session"
+	   channel, to ensure that the shell has exited (and the exit status 
+	   retrieved) before we close things up. */
+	if (!channel->type->check_close	
+		|| channel->close_handler_done
+		|| channel->type->check_close(channel)) {
+		close_allowed = 1;
 	}
 
-	/* When either party wishes to terminate the channel, it sends
-	 * SSH_MSG_CHANNEL_CLOSE.  Upon receiving this message, a party MUST
-	 * send back a SSH_MSG_CHANNEL_CLOSE unless it has already sent this
-	 * message for the channel.  The channel is considered closed for a
-	 * party when it has both sent and received SSH_MSG_CHANNEL_CLOSE, and
-	 * the party may then reuse the channel number.  A party MAY send
-	 * SSH_MSG_CHANNEL_CLOSE without having sent or received
-	 * SSH_MSG_CHANNEL_EOF. 
-	 * (from draft-ietf-secsh-connect)
-	 */
-	if (channel->recvclosed) {
-		if (! channel->sentclosed) {
+	if (channel->recv_close && !write_pending(channel) && close_allowed) {
+		if (!channel->sent_close) {
 			TRACE(("Sending MSG_CHANNEL_CLOSE in response to same."))
 			send_msg_channel_close(channel);
 		}
-		removechannel(channel);
+		remove_channel(channel);
+		return;
+	}
+
+	if (channel->recv_eof && !write_pending(channel)) {
+		close_chan_fd(channel, channel->writefd, SHUT_WR);
+	}
+
+	/* Special handling for flushing read data after an exit. We
+	   read regardless of whether the select FD was set,
+	   and if there isn't data available, the channel will get closed. */
+	if (channel->flushing) {
+		TRACE(("might send data, flushing"))
+		if (channel->readfd >= 0 && channel->transwindow > 0) {
+			TRACE(("send data readfd"))
+			send_msg_channel_data(channel, 0);
+		}
+		if (ERRFD_IS_READ(channel) && channel->errfd >= 0 
+			&& channel->transwindow > 0) {
+			TRACE(("send data errfd"))
+			send_msg_channel_data(channel, 1);
+		}
+	}
+
+	/* If we're not going to send any more data, send EOF */
+	if (!channel->sent_eof
+			&& channel->readfd == FD_CLOSED 
+			&& (ERRFD_IS_WRITE(channel) || channel->errfd == FD_CLOSED)) {
+		send_msg_channel_eof(channel);
+	}
+
+	/* And if we can't receive any more data from them either, close up */
+	if (channel->readfd == FD_CLOSED
+			&& (ERRFD_IS_WRITE(channel) || channel->errfd == FD_CLOSED)
+			&& !channel->sent_close
+			&& close_allowed
+			&& !write_pending(channel)) {
+		TRACE(("sending close, readfd is closed"))
+		send_msg_channel_close(channel);
 	}
 }
 
-
 /* Check whether a deferred (EINPROGRESS) connect() was successful, and
  * if so, set up the channel properly. Otherwise, the channel is cleaned up, so
  * it is important that the channel reference isn't used after a call to this
  * function */
-static void checkinitdone(struct Channel *channel) {
+static void check_in_progress(struct Channel *channel) {
 
 	int val;
 	socklen_t vallen = sizeof(val);
 
-	TRACE(("enter checkinitdone"))
+	TRACE(("enter check_in_progress"))
 
 	if (getsockopt(channel->writefd, SOL_SOCKET, SO_ERROR, &val, &vallen)
 			|| val != 0) {
 		send_msg_channel_open_failure(channel->remotechan,
 				SSH_OPEN_CONNECT_FAILED, "", "");
 		close(channel->writefd);
-		deletechannel(channel);
-		TRACE(("leave checkinitdone: fail"))
+		remove_channel(channel);
+		TRACE(("leave check_in_progress: fail"))
 	} else {
+		chan_initwritebuf(channel);
 		send_msg_channel_open_confirmation(channel, channel->recvwindow,
 				channel->recvmaxpacket);
 		channel->readfd = channel->writefd;
 		channel->initconn = 0;
-		TRACE(("leave checkinitdone: success"))
+		TRACE(("leave check_in_progress: success"))
 	}
 }
 
 
-
 /* Send the close message and set the channel as closed */
 static void send_msg_channel_close(struct Channel *channel) {
 
-	TRACE(("enter send_msg_channel_close"))
-	/* XXX server */
-	if (channel->type->closehandler) {
+	TRACE(("enter send_msg_channel_close %p", channel))
+	if (channel->type->closehandler 
+			&& !channel->close_handler_done) {
 		channel->type->closehandler(channel);
+		channel->close_handler_done = 1;
 	}
 	
 	CHECKCLEARTOWRITE();
@@ -329,8 +391,11 @@ static void send_msg_channel_close(struct Channel *channel) {
 
 	encrypt_packet();
 
-	channel->senteof = 1;
-	channel->sentclosed = 1;
+	channel->sent_eof = 1;
+	channel->sent_close = 1;
+	close_chan_fd(channel, channel->readfd, SHUT_RD);
+	close_chan_fd(channel, channel->errfd, SHUT_RDWR);
+	close_chan_fd(channel, channel->writefd, SHUT_WR);
 	TRACE(("leave send_msg_channel_close"))
 }
 
@@ -345,7 +410,7 @@ static void send_msg_channel_eof(struct Channel *channel) {
 
 	encrypt_packet();
 
-	channel->senteof = 1;
+	channel->sent_eof = 1;
 
 	TRACE(("leave send_msg_channel_eof"))
 }
@@ -357,32 +422,25 @@ static void writechannel(struct Channel* channel, int fd, circbuffer *cbuf) {
 
 	int len, maxlen;
 
-	TRACE(("enter writechannel"))
+	TRACE(("enter writechannel fd %d", fd))
 
 	maxlen = cbuf_readlen(cbuf);
 
 	/* Write the data out */
 	len = write(fd, cbuf_readptr(cbuf, maxlen), maxlen);
 	if (len <= 0) {
+		TRACE(("errno %d len %d", errno, len))
 		if (len < 0 && errno != EINTR) {
-			/* no more to write - we close it even if the fd was stderr, since
-			 * that's a nasty failure too */
-			closewritefd(channel);
+			close_chan_fd(channel, fd, SHUT_WR);
 		}
 		TRACE(("leave writechannel: len <= 0"))
 		return;
 	}
+	TRACE(("writechannel wrote %d", len))
 
 	cbuf_incrread(cbuf, len);
 	channel->recvdonelen += len;
 
-	if (fd == channel->writefd && cbuf_getused(cbuf) == 0 && channel->recveof) { 
-		/* Check if we're closing up */
-		closewritefd(channel);
-		TRACE(("leave writechannel: recveof set"))
-		return;
-	}
-
 	/* Window adjust handling */
 	if (channel->recvdonelen >= RECV_WINDOWEXTEND) {
 		/* Set it back to max window */
@@ -391,12 +449,11 @@ static void writechannel(struct Channel* channel, int fd, circbuffer *cbuf) {
 		channel->recvdonelen = 0;
 	}
 
-	dropbear_assert(channel->recvwindow <= RECV_MAXWINDOW);
+	dropbear_assert(channel->recvwindow <= opts.recv_window);
 	dropbear_assert(channel->recvwindow <= cbuf_getavail(channel->writebuf));
 	dropbear_assert(channel->extrabuf == NULL ||
 			channel->recvwindow <= cbuf_getavail(channel->extrabuf));
 	
-	
 	TRACE(("leave writechannel"))
 }
 
@@ -421,20 +478,19 @@ void setchannelfds(fd_set *readfds, fd_set *writefds) {
 				FD_SET(channel->readfd, readfds);
 			}
 			
-			if (channel->extrabuf == NULL && channel->errfd >= 0) {
+			if (ERRFD_IS_READ(channel) && channel->errfd >= 0) {
 					FD_SET(channel->errfd, readfds);
 			}
 		}
 
 		/* Stuff from the wire */
-		if ((channel->writefd >= 0 && cbuf_getused(channel->writebuf) > 0 )
-				|| channel->initconn) {
-
+		if (channel->initconn
+			||(channel->writefd >= 0 && cbuf_getused(channel->writebuf) > 0)) {
 				FD_SET(channel->writefd, writefds);
 		}
 
-		if (channel->extrabuf != NULL && channel->errfd >= 0 
-				&& cbuf_getused(channel->extrabuf) > 0 ) {
+		if (ERRFD_IS_WRITE(channel) && channel->errfd >= 0 
+				&& cbuf_getused(channel->extrabuf) > 0) {
 				FD_SET(channel->errfd, writefds);
 		}
 
@@ -455,18 +511,11 @@ void recv_msg_channel_eof() {
 
 	TRACE(("enter recv_msg_channel_eof"))
 
-	channel = getchannel();
-	if (channel == NULL) {
-		dropbear_exit("EOF for unknown channel");
-	}
+	channel = getchannel_msg("EOF");
 
-	channel->recveof = 1;
-	if (cbuf_getused(channel->writebuf) == 0
-			&& (channel->extrabuf == NULL 
-					|| cbuf_getused(channel->extrabuf) == 0)) {
-		closewritefd(channel);
-	}
+	channel->recv_eof = 1;
 
+	check_close(channel);
 	TRACE(("leave recv_msg_channel_eof"))
 }
 
@@ -478,27 +527,20 @@ void recv_msg_channel_close() {
 
 	TRACE(("enter recv_msg_channel_close"))
 
-	channel = getchannel();
-	if (channel == NULL) {
-		/* disconnect ? */
-		dropbear_exit("Close for unknown channel");
-	}
+	channel = getchannel_msg("Close");
 
-	channel->recveof = 1;
-	channel->recvclosed = 1;
-
-	if (channel->sentclosed) {
-		removechannel(channel);
-	}
+	channel->recv_eof = 1;
+	channel->recv_close = 1;
 
+	check_close(channel);
 	TRACE(("leave recv_msg_channel_close"))
 }
 
 /* Remove a channel entry, this is only executed after both sides have sent
  * channel close */
-static void removechannel(struct Channel * channel) {
+static void remove_channel(struct Channel * channel) {
 
-	TRACE(("enter removechannel"))
+	TRACE(("enter remove_channel"))
 	TRACE(("channel index is %d", channel->index))
 
 	cbuf_free(channel->writebuf);
@@ -511,27 +553,26 @@ static void removechannel(struct Channel * channel) {
 
 
 	/* close the FDs in case they haven't been done
-	 * yet (ie they were shutdown etc */
+	 * yet (they might have been shutdown etc) */
+	TRACE(("CLOSE writefd %d", channel->writefd))
 	close(channel->writefd);
+	TRACE(("CLOSE readfd %d", channel->readfd))
 	close(channel->readfd);
+	TRACE(("CLOSE errfd %d", channel->errfd))
 	close(channel->errfd);
 
-	channel->typedata = NULL;
-
-	deletechannel(channel);
-
-	TRACE(("leave removechannel"))
-}
-
-/* Remove a channel entry */
-static void deletechannel(struct Channel *channel) {
+	if (!channel->close_handler_done
+		&& channel->type->closehandler) {
+		channel->type->closehandler(channel);
+		channel->close_handler_done = 1;
+	}
 
 	ses.channels[channel->index] = NULL;
 	m_free(channel);
 	ses.chancount--;
-	
-}
 
+	TRACE(("leave remove_channel"))
+}
 
 /* Handle channel specific requests, passing off to corresponding handlers
  * such as chansession or x11fwd */
@@ -539,15 +580,17 @@ void recv_msg_channel_request() {
 
 	struct Channel *channel;
 
-	TRACE(("enter recv_msg_channel_request"))
-	
 	channel = getchannel();
-	if (channel == NULL) {
-		/* disconnect ? */
-		dropbear_exit("Unknown channel");
+
+	TRACE(("enter recv_msg_channel_request %p", channel))
+
+	if (channel->sent_close) {
+		TRACE(("leave recv_msg_channel_request: already closed channel"))
+		return;
 	}
 
-	if (channel->type->reqhandler) {
+	if (channel->type->reqhandler 
+			&& !channel->close_handler_done) {
 		channel->type->reqhandler(channel);
 	} else {
 		send_msg_channel_failure(channel);
@@ -562,26 +605,23 @@ void recv_msg_channel_request() {
  * chan is the remote channel, isextended is 0 if it is normal data, 1
  * if it is extended data. if it is extended, then the type is in
  * exttype */
-static void send_msg_channel_data(struct Channel *channel, int isextended,
-		unsigned int exttype) {
+static void send_msg_channel_data(struct Channel *channel, int isextended) {
 
-	buffer *buf;
 	int len;
-	unsigned int maxlen;
+	size_t maxlen, size_pos;
 	int fd;
 
-/*	TRACE(("enter send_msg_channel_data"))
-	TRACE(("extended = %d type = %d", isextended, exttype))*/
-
 	CHECKCLEARTOWRITE();
 
-	dropbear_assert(!channel->sentclosed);
+	TRACE(("enter send_msg_channel_data"))
+	dropbear_assert(!channel->sent_close);
 
 	if (isextended) {
 		fd = channel->errfd;
 	} else {
 		fd = channel->readfd;
 	}
+	TRACE(("enter send_msg_channel_data isextended %d fd %d", isextended, fd))
 	dropbear_assert(fd >= 0);
 
 	maxlen = MIN(channel->transwindow, channel->transmaxpacket);
@@ -589,44 +629,65 @@ static void send_msg_channel_data(struct Channel *channel, int isextended,
 	 * exttype if is extended */
 	maxlen = MIN(maxlen, 
 			ses.writepayload->size - 1 - 4 - 4 - (isextended ? 4 : 0));
+	TRACE(("maxlen %zd", maxlen))
 	if (maxlen == 0) {
 		TRACE(("leave send_msg_channel_data: no window"))
-		return; /* the data will get written later */
-	}
-
-	/* read the data */
-	TRACE(("maxlen %d", maxlen))
-	buf = buf_new(maxlen);
-	TRACE(("buf pos %d data %x", buf->pos, buf->data))
-	len = read(fd, buf_getwriteptr(buf, maxlen), maxlen);
-	if (len <= 0) {
-		/* on error/eof, send eof */
-		if (len == 0 || errno != EINTR) {
-			closereadfd(channel, fd);
-		}
-		buf_free(buf);
-		buf = NULL;
-		TRACE(("leave send_msg_channel_data: read err or EOF for fd %d", 
-					channel->index));
 		return;
 	}
-	buf_incrlen(buf, len);
 
 	buf_putbyte(ses.writepayload, 
 			isextended ? SSH_MSG_CHANNEL_EXTENDED_DATA : SSH_MSG_CHANNEL_DATA);
 	buf_putint(ses.writepayload, channel->remotechan);
-
 	if (isextended) {
-		buf_putint(ses.writepayload, exttype);
+		buf_putint(ses.writepayload, SSH_EXTENDED_DATA_STDERR);
+	}
+	/* a dummy size first ...*/
+	size_pos = ses.writepayload->pos;
+	buf_putint(ses.writepayload, 0);
+
+	/* read the data */
+	len = read(fd, buf_getwriteptr(ses.writepayload, maxlen), maxlen);
+
+	if (len <= 0) {
+		if (len == 0 || errno != EINTR) {
+			/* This will also get hit in the case of EAGAIN. The only
+			time we expect to receive EAGAIN is when we're flushing a FD,
+			in which case it can be treated the same as EOF */
+			close_chan_fd(channel, fd, SHUT_RD);
+		}
+		buf_setpos(ses.writepayload, 0);
+		buf_setlen(ses.writepayload, 0);
+		TRACE(("leave send_msg_channel_data: len %d read err %d or EOF for fd %d", 
+					len, errno, fd))
+		return;
 	}
 
-	buf_putstring(ses.writepayload, buf_getptr(buf, len), len);
-	buf_free(buf);
-	buf = NULL;
+	if (channel->read_mangler) {
+		channel->read_mangler(channel, buf_getwriteptr(ses.writepayload, len), &len);
+		if (len == 0) {
+			buf_setpos(ses.writepayload, 0);
+			buf_setlen(ses.writepayload, 0);
+			return;
+		}
+	}
+
+	TRACE(("send_msg_channel_data: len %d fd %d", len, fd))
+	buf_incrwritepos(ses.writepayload, len);
+	/* ... real size here */
+	buf_setpos(ses.writepayload, size_pos);
+	buf_putint(ses.writepayload, len);
 
 	channel->transwindow -= len;
 
 	encrypt_packet();
+	
+	/* If we receive less data than we requested when flushing, we've
+	   reached the equivalent of EOF */
+	if (channel->flushing && len < (ssize_t)maxlen)
+	{
+		TRACE(("closing from channel, flushing out."))
+		close_chan_fd(channel, fd, SHUT_RD);
+	}
 	TRACE(("leave send_msg_channel_data"))
 }
 
@@ -636,9 +697,6 @@ void recv_msg_channel_data() {
 	struct Channel *channel;
 
 	channel = getchannel();
-	if (channel == NULL) {
-		dropbear_exit("Unknown channel");
-	}
 
 	common_recv_msg_channel_data(channel, channel->writefd, channel->writebuf);
 }
@@ -655,16 +713,19 @@ void common_recv_msg_channel_data(struct Channel *channel, int fd,
 
 	TRACE(("enter recv_msg_channel_data"))
 
-	if (channel->recveof) {
-		dropbear_exit("received data after eof");
+	if (channel->recv_eof) {
+		dropbear_exit("Received data after eof");
 	}
 
- 	if (fd < 0) {
-		dropbear_exit("received data with bad writefd");
+	if (fd < 0 || !cbuf) {
+		/* If we have encountered failed write, the far side might still
+		 * be sending data without having yet received our close notification.
+		 * We just drop the data. */
+		return;
 	}
 
 	datalen = buf_getint(ses.payload);
-
+	TRACE(("length %d", datalen))
 
 	maxdata = cbuf_getavail(cbuf);
 
@@ -692,7 +753,7 @@ void common_recv_msg_channel_data(struct Channel *channel, int fd,
 
 	dropbear_assert(channel->recvwindow >= datalen);
 	channel->recvwindow -= datalen;
-	dropbear_assert(channel->recvwindow <= RECV_MAXWINDOW);
+	dropbear_assert(channel->recvwindow <= opts.recv_window);
 
 	TRACE(("leave recv_msg_channel_data"))
 }
@@ -706,16 +767,13 @@ void recv_msg_channel_window_adjust() {
 	unsigned int incr;
 	
 	channel = getchannel();
-	if (channel == NULL) {
-		dropbear_exit("Unknown channel");
-	}
 	
 	incr = buf_getint(ses.payload);
 	TRACE(("received window increment %d", incr))
-	incr = MIN(incr, MAX_TRANS_WIN_INCR);
+	incr = MIN(incr, TRANS_MAX_WIN_INCR);
 	
 	channel->transwindow += incr;
-	channel->transwindow = MIN(channel->transwindow, MAX_TRANS_WINDOW);
+	channel->transwindow = MIN(channel->transwindow, TRANS_MAX_WINDOW);
 
 }
 
@@ -735,7 +793,6 @@ static void send_msg_channel_window_adjust(struct Channel* channel,
 }
 	
 /* Handle a new channel request, performing any channel-type-specific setup */
-/* XXX server */
 void recv_msg_channel_open() {
 
 	unsigned char *type;
@@ -755,9 +812,9 @@ void recv_msg_channel_open() {
 
 	remotechan = buf_getint(ses.payload);
 	transwindow = buf_getint(ses.payload);
-	transwindow = MIN(transwindow, MAX_TRANS_WINDOW);
+	transwindow = MIN(transwindow, TRANS_MAX_WINDOW);
 	transmaxpacket = buf_getint(ses.payload);
-	transmaxpacket = MIN(transmaxpacket, MAX_TRANS_PAYLOAD_LEN);
+	transmaxpacket = MIN(transmaxpacket, TRANS_MAX_PAYLOAD_LEN);
 
 	/* figure what type of packet it is */
 	if (typelen > MAX_NAME_LEN) {
@@ -792,18 +849,20 @@ void recv_msg_channel_open() {
 
 	if (channel->type->inithandler) {
 		ret = channel->type->inithandler(channel);
+		if (ret == SSH_OPEN_IN_PROGRESS) {
+			/* We'll send the confirmation later */
+			goto cleanup;
+		}
 		if (ret > 0) {
-			if (ret == SSH_OPEN_IN_PROGRESS) {
-				/* We'll send the confirmation later */
-				goto cleanup;
-			}
 			errtype = ret;
-			deletechannel(channel);
+			remove_channel(channel);
 			TRACE(("inithandler returned failure %d", ret))
 			goto failure;
 		}
 	}
 
+	chan_initwritebuf(channel);
+
 	/* success */
 	send_msg_channel_open_confirmation(channel, channel->recvwindow,
 			channel->recvmaxpacket);
@@ -882,6 +941,49 @@ static void send_msg_channel_open_confirmation(struct Channel* channel,
 	TRACE(("leave send_msg_channel_open_confirmation"))
 }
 
+/* close a fd, how is SHUT_RD or SHUT_WR */
+static void close_chan_fd(struct Channel *channel, int fd, int how) {
+
+	int closein = 0, closeout = 0;
+
+	if (channel->type->sepfds) {
+		TRACE(("SHUTDOWN(%d, %d)", fd, how))
+		shutdown(fd, how);
+		if (how == 0) {
+			closeout = 1;
+		} else {
+			closein = 1;
+		}
+	} else {
+		TRACE(("CLOSE some fd %d", fd))
+		close(fd);
+		closein = closeout = 1;
+	}
+
+	if (closeout && (fd == channel->readfd)) {
+		channel->readfd = FD_CLOSED;
+	}
+	if (closeout && ERRFD_IS_READ(channel) && (fd == channel->errfd)) {
+		channel->errfd = FD_CLOSED;
+	}
+
+	if (closein && fd == channel->writefd) {
+		channel->writefd = FD_CLOSED;
+	}
+	if (closein && ERRFD_IS_WRITE(channel) && (fd == channel->errfd)) {
+		channel->errfd = FD_CLOSED;
+	}
+
+	/* if we called shutdown on it and all references are gone, then we 
+	 * need to close() it to stop it lingering */
+	if (channel->type->sepfds && channel->readfd == FD_CLOSED 
+		&& channel->writefd == FD_CLOSED && channel->errfd == FD_CLOSED) {
+		TRACE(("CLOSE (finally) of %d", fd))
+		close(fd);
+	}
+}
+
+
 #if defined(USING_LISTENERS) || defined(DROPBEAR_CLIENT)
 /* Create a new channel, and start the open request. This is intended
  * for X11, agent, tcp forwarding, and should be filled with channel-specific
@@ -899,6 +1001,10 @@ int send_msg_channel_open_init(int fd, const struct ChanType *type) {
 		return DROPBEAR_FAILURE;
 	}
 
+	/* Outbound opened channels don't make use of in-progress connections,
+	 * we can set it up straight away */
+	chan_initwritebuf(chan);
+
 	/* set fd non-blocking */
 	setnonblocking(fd);
 
@@ -913,8 +1019,8 @@ int send_msg_channel_open_init(int fd, const struct ChanType *type) {
 	buf_putbyte(ses.writepayload, SSH_MSG_CHANNEL_OPEN);
 	buf_putstring(ses.writepayload, type->name, strlen(type->name));
 	buf_putint(ses.writepayload, chan->index);
-	buf_putint(ses.writepayload, RECV_MAXWINDOW);
-	buf_putint(ses.writepayload, RECV_MAXPACKET);
+	buf_putint(ses.writepayload, opts.recv_window);
+	buf_putint(ses.writepayload, RECV_MAX_PAYLOAD_LEN);
 
 	TRACE(("leave send_msg_channel_open_init()"))
 	return DROPBEAR_SUCCESS;
@@ -930,12 +1036,9 @@ void recv_msg_channel_open_confirmation() {
 	TRACE(("enter recv_msg_channel_open_confirmation"))
 
 	channel = getchannel();
-	if (channel == NULL) {
-		dropbear_exit("Unknown channel");
-	}
 
 	if (!channel->await_open) {
-		dropbear_exit("unexpected channel reply");
+		dropbear_exit("Unexpected channel reply");
 	}
 	channel->await_open = 0;
 
@@ -950,7 +1053,7 @@ void recv_msg_channel_open_confirmation() {
 	if (channel->type->inithandler) {
 		ret = channel->type->inithandler(channel);
 		if (ret > 0) {
-			removechannel(channel);
+			remove_channel(channel);
 			TRACE(("inithandler returned failure %d", ret))
 		}
 	}
@@ -965,74 +1068,12 @@ void recv_msg_channel_open_failure() {
 	struct Channel * channel;
 
 	channel = getchannel();
-	if (channel == NULL) {
-		dropbear_exit("Unknown channel");
-	}
 
 	if (!channel->await_open) {
-		dropbear_exit("unexpected channel reply");
+		dropbear_exit("Unexpected channel reply");
 	}
 	channel->await_open = 0;
 
-	removechannel(channel);
+	remove_channel(channel);
 }
 #endif /* USING_LISTENERS */
-
-/* close a stdout/stderr fd */
-static void closereadfd(struct Channel * channel, int fd) {
-
-	/* don't close it if it is the same as writefd,
-	 * unless writefd is already set -1 */
-	TRACE(("enter closereadfd"))
-	closechanfd(channel, fd, 0);
-	TRACE(("leave closereadfd"))
-}
-
-/* close a stdin fd */
-static void closewritefd(struct Channel * channel) {
-
-	TRACE(("enter closewritefd"))
-	closechanfd(channel, channel->writefd, 1);
-	TRACE(("leave closewritefd"))
-}
-
-/* close a fd, how is 0 for stdout/stderr, 1 for stdin */
-static void closechanfd(struct Channel *channel, int fd, int how) {
-
-	int closein = 0, closeout = 0;
-
-	/* XXX server */
-	if (channel->type->sepfds) {
-		TRACE(("shutdown((%d), %d)", fd, how))
-		shutdown(fd, how);
-		if (how == 0) {
-			closeout = 1;
-		} else {
-			closein = 1;
-		}
-	} else {
-		close(fd);
-		closein = closeout = 1;
-	}
-
-	if (closeout && fd == channel->readfd) {
-		channel->readfd = FD_CLOSED;
-	}
-	if (closeout && (channel->extrabuf == NULL) && (fd == channel->errfd)) {
-		channel->errfd = FD_CLOSED;
-	}
-
-	if (closein && fd == channel->writefd) {
-		channel->writefd = FD_CLOSED;
-	}
-	if (closein && (channel->extrabuf != NULL) && (fd == channel->errfd)) {
-		channel->errfd = FD_CLOSED;
-	}
-
-	/* if we called shutdown on it and all references are gone, then we 
-	 * need to close() it to stop it lingering */
-	if (channel->type->sepfds && channel->readfd == FD_CLOSED 
-		&& channel->writefd == FD_CLOSED && channel->errfd == FD_CLOSED) {
-		close(fd);
-	}
-}

common-kex.c

@@ -33,9 +33,11 @@
 #include "packet.h"
 #include "bignum.h"
 #include "random.h"
+#include "runopts.h"
 
 /* diffie-hellman-group1-sha1 value for p */
-static const unsigned char dh_p_val[] = {
+#define DH_P_1_LEN 128
+static const unsigned char dh_p_1[DH_P_1_LEN] = {
 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC9, 0x0F, 0xDA, 0xA2,
     0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1,
 	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6,
@@ -47,14 +49,41 @@ static const unsigned char dh_p_val[] = {
 	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, 0xAE, 0x9F, 0x24, 0x11,
 	0x7C, 0x4B, 0x1F, 0xE6, 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE6, 0x53, 0x81,
 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
-#define DH_P_LEN sizeof(dh_p_val)
 
+/* diffie-hellman-group14-sha1 value for p */
+#define DH_P_14_LEN 256
+static const unsigned char dh_p_14[DH_P_14_LEN] = {
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC9, 0x0F, 0xDA, 0xA2, 
+    0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1, 
+	0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6,
+	0x3B, 0x13, 0x9B, 0x22, 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD,
+	0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, 0x30, 0x2B, 0x0A, 0x6D,
+	0xF2, 0x5F, 0x14, 0x37, 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45,
+	0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, 0xF4, 0x4C, 0x42, 0xE9,
+	0xA6, 0x37, 0xED, 0x6B, 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED,
+	0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, 0xAE, 0x9F, 0x24, 0x11,
+	0x7C, 0x4B, 0x1F, 0xE6, 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D,
+	0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, 0x98, 0xDA, 0x48, 0x36,
+	0x1C, 0x55, 0xD3, 0x9A, 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F,
+	0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, 0x1C, 0x62, 0xF3, 0x56,
+	0x20, 0x85, 0x52, 0xBB, 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D,
+	0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, 0xF1, 0x74, 0x6C, 0x08,
+	0xCA, 0x18, 0x21, 0x7C, 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B,
+	0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, 0x9B, 0x27, 0x83, 0xA2,
+	0xEC, 0x07, 0xA2, 0x8F, 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9,
+	0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, 0x39, 0x95, 0x49, 0x7C,
+	0xEA, 0x95, 0x6A, 0xE5, 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10,
+	0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAC, 0xAA, 0x68, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF};
+
+/* Same for group1 and group14 */
 static const int DH_G_VAL = 2;
 
 static void kexinitialise();
-void gen_new_keys();
+static void gen_new_keys();
 #ifndef DISABLE_ZLIB
-static void gen_new_zstreams();
+static void gen_new_zstream_recv();
+static void gen_new_zstream_trans();
 #endif
 static void read_kex_algos();
 /* helper function for gen_new_keys */
@@ -90,11 +119,12 @@ void send_msg_kexinit() {
 	/* mac_algorithms_server_to_client */
 	buf_put_algolist(ses.writepayload, sshhashes);
 
+
 	/* compression_algorithms_client_to_server */
-	buf_put_algolist(ses.writepayload, sshcompress);
+	buf_put_algolist(ses.writepayload, ses.compress_algos);
 
 	/* compression_algorithms_server_to_client */
-	buf_put_algolist(ses.writepayload, sshcompress);
+	buf_put_algolist(ses.writepayload, ses.compress_algos);
 
 	/* languages_client_to_server */
 	buf_putstring(ses.writepayload, "", 0);
@@ -102,8 +132,8 @@ void send_msg_kexinit() {
 	/* languages_server_to_client */
 	buf_putstring(ses.writepayload, "", 0);
 
-	/* first_kex_packet_follows - unimplemented for now */
-	buf_putbyte(ses.writepayload, 0x00);
+	/* first_kex_packet_follows */
+	buf_putbyte(ses.writepayload, (ses.send_kex_first_guess != NULL));
 
 	/* reserved unit32 */
 	buf_putint(ses.writepayload, 0);
@@ -115,16 +145,60 @@ void send_msg_kexinit() {
 	encrypt_packet();
 	ses.dataallowed = 0; /* don't send other packets during kex */
 
+	ses.kexstate.sentkexinit = 1;
+
+	ses.newkeys = (struct key_context*)m_malloc(sizeof(struct key_context));
+
+	if (ses.send_kex_first_guess) {
+		ses.newkeys->algo_kex = sshkex[0].val;
+		ses.newkeys->algo_hostkey = sshhostkey[0].val;
+		ses.send_kex_first_guess();
+	}
+
 	TRACE(("DATAALLOWED=0"))
 	TRACE(("-> KEXINIT"))
-	ses.kexstate.sentkexinit = 1;
+
 }
 
-/* *** NOTE regarding (send|recv)_msg_newkeys *** 
- * Changed by mihnea from the original kex.c to set dataallowed after a 
- * completed key exchange, no matter the order in which it was performed.
- * This enables client mode without affecting server functionality.
- */
+static void switch_keys() {
+	TRACE2(("enter switch_keys"))
+	if (!(ses.kexstate.sentkexinit && ses.kexstate.recvkexinit)) {
+		dropbear_exit("Unexpected newkeys message");
+	}
+
+	if (!ses.keys) {
+		ses.keys = m_malloc(sizeof(*ses.newkeys));
+	}
+	if (ses.kexstate.recvnewkeys && ses.newkeys->recv.valid) {
+		TRACE(("switch_keys recv"))
+#ifndef DISABLE_ZLIB
+		gen_new_zstream_recv();
+#endif
+		ses.keys->recv = ses.newkeys->recv;
+		m_burn(&ses.newkeys->recv, sizeof(ses.newkeys->recv));
+		ses.newkeys->recv.valid = 0;
+	}
+	if (ses.kexstate.sentnewkeys && ses.newkeys->trans.valid) {
+		TRACE(("switch_keys trans"))
+#ifndef DISABLE_ZLIB
+		gen_new_zstream_trans();
+#endif
+		ses.keys->trans = ses.newkeys->trans;
+		m_burn(&ses.newkeys->trans, sizeof(ses.newkeys->trans));
+		ses.newkeys->trans.valid = 0;
+	}
+	if (ses.kexstate.sentnewkeys && ses.kexstate.recvnewkeys)
+	{
+		TRACE(("switch_keys done"))
+		ses.keys->algo_kex = ses.newkeys->algo_kex;
+		ses.keys->algo_hostkey = ses.newkeys->algo_hostkey;
+		ses.keys->allow_compress = 0;
+		m_free(ses.newkeys);
+		ses.newkeys = NULL;
+		kexinitialise();
+	}
+	TRACE2(("leave switch_keys"))
+}
 
 /* Bring new keys into use after a key exchange, and let the client know*/
 void send_msg_newkeys() {
@@ -135,44 +209,25 @@ void send_msg_newkeys() {
 	CHECKCLEARTOWRITE();
 	buf_putbyte(ses.writepayload, SSH_MSG_NEWKEYS);
 	encrypt_packet();
+
 	
-
 	/* set up our state */
-	if (ses.kexstate.recvnewkeys) {
-		TRACE(("while RECVNEWKEYS=1"))
-		gen_new_keys();
-		kexinitialise(); /* we've finished with this kex */
-		TRACE((" -> DATAALLOWED=1"))
-		ses.dataallowed = 1; /* we can send other packets again now */
-		ses.kexstate.donefirstkex = 1;
-	} else {
-		ses.kexstate.sentnewkeys = 1;
-		TRACE(("SENTNEWKEYS=1"))
-	}
+	ses.kexstate.sentnewkeys = 1;
+	ses.kexstate.donefirstkex = 1;
+	ses.dataallowed = 1; /* we can send other packets again now */
+	gen_new_keys();
+	switch_keys();
 
-	TRACE(("-> MSG_NEWKEYS"))
 	TRACE(("leave send_msg_newkeys"))
 }
 
 /* Bring the new keys into use after a key exchange */
 void recv_msg_newkeys() {
 
-	TRACE(("<- MSG_NEWKEYS"))
 	TRACE(("enter recv_msg_newkeys"))
 
-	/* simply check if we've sent SSH_MSG_NEWKEYS, and if so,
-	 * switch to the new keys */
-	if (ses.kexstate.sentnewkeys) {
-		TRACE(("while SENTNEWKEYS=1"))
-		gen_new_keys();
-		kexinitialise(); /* we've finished with this kex */
-	    TRACE((" -> DATAALLOWED=1"))
-	    ses.dataallowed = 1; /* we can send other packets again now */
-		ses.kexstate.donefirstkex = 1;
-	} else {
-		TRACE(("RECVNEWKEYS=1"))
-		ses.kexstate.recvnewkeys = 1;
-	}
+	ses.kexstate.recvnewkeys = 1;
+	switch_keys();
 	
 	TRACE(("leave recv_msg_newkeys"))
 }
@@ -180,16 +235,22 @@ void recv_msg_newkeys() {
 
 /* Set up the kex for the first time */
 void kexfirstinitialise() {
-
 	ses.kexstate.donefirstkex = 0;
+
+#ifndef DISABLE_ZLIB
+	if (opts.enable_compress) {
+		ses.compress_algos = ssh_compress;
+	} else
+#endif
+	{
+		ses.compress_algos = ssh_nocompress;
+	}
 	kexinitialise();
 }
 
 /* Reset the kex state, ready for a new negotiation */
 static void kexinitialise() {
 
-	struct timeval tv;
-
 	TRACE(("kexinitialise()"))
 
 	/* sent/recv'd MSG_KEXINIT */
@@ -201,15 +262,14 @@ static void kexinitialise() {
 	ses.kexstate.sentnewkeys = 0;
 
 	/* first_packet_follows */
-	ses.kexstate.firstfollows = 0;
+	ses.kexstate.them_firstfollows = 0;
 
 	ses.kexstate.datatrans = 0;
 	ses.kexstate.datarecv = 0;
 
-	if (gettimeofday(&tv, 0) < 0) {
-		dropbear_exit("Error getting time");
-	}
-	ses.kexstate.lastkextime = tv.tv_sec;
+	ses.kexstate.our_first_follows_matches = 0;
+
+	ses.kexstate.lastkextime = time(NULL);
 
 }
 
@@ -217,40 +277,39 @@ static void kexinitialise() {
  * already initialised hash_state hs, which should already have processed
  * the dh_K and hash, since these are common. X is the letter 'A', 'B' etc.
  * out must have at least min(SHA1_HASH_SIZE, outlen) bytes allocated.
- * The output will only be expanded once, since that is all that is required
- * (for 3DES and SHA, with 24 and 20 bytes respectively). 
  *
- * See Section 5.2 of the IETF secsh Transport Draft for details */
-
-/* Duplicated verbatim from kex.c --mihnea */
+ * See Section 7.2 of rfc4253 (ssh transport) for details */
 static void hashkeys(unsigned char *out, int outlen, 
 		const hash_state * hs, const unsigned char X) {
 
 	hash_state hs2;
-	unsigned char k2[SHA1_HASH_SIZE]; /* used to extending */
+	int offset;
 
 	memcpy(&hs2, hs, sizeof(hash_state));
 	sha1_process(&hs2, &X, 1);
 	sha1_process(&hs2, ses.session_id, SHA1_HASH_SIZE);
 	sha1_done(&hs2, out);
-	if (SHA1_HASH_SIZE < outlen) {
+	for (offset = SHA1_HASH_SIZE; 
+			offset < outlen; 
+			offset += SHA1_HASH_SIZE)
+	{
 		/* need to extend */
+		unsigned char k2[SHA1_HASH_SIZE];
 		memcpy(&hs2, hs, sizeof(hash_state));
-		sha1_process(&hs2, out, SHA1_HASH_SIZE);
+		sha1_process(&hs2, out, offset);
 		sha1_done(&hs2, k2);
-		memcpy(&out[SHA1_HASH_SIZE], k2, outlen - SHA1_HASH_SIZE);
+		memcpy(&out[offset], k2, MIN(outlen - offset, SHA1_HASH_SIZE));
 	}
 }
 
 /* Generate the actual encryption/integrity keys, using the results of the
- * key exchange, as specified in section 5.2 of the IETF secsh-transport
- * draft. This occurs after the DH key-exchange.
+ * key exchange, as specified in section 7.2 of the transport rfc 4253.
+ * This occurs after the DH key-exchange.
  *
  * ses.newkeys is the new set of keys which are generated, these are only
  * taken into use after both sides have sent a newkeys message */
 
-/* Originally from kex.c, generalized for cli/svr mode --mihnea */
-void gen_new_keys() {
+static void gen_new_keys() {
 
 	unsigned char C2S_IV[MAX_IV_LEN];
 	unsigned char C2S_key[MAX_KEY_LEN];
@@ -278,8 +337,8 @@ void gen_new_keys() {
 	    recv_IV		= S2C_IV;
 	    trans_key	= C2S_key;
 	    recv_key	= S2C_key;
-	    C2S_keysize = ses.newkeys->trans_algo_crypt->keysize;
-	    S2C_keysize = ses.newkeys->recv_algo_crypt->keysize;
+	    C2S_keysize = ses.newkeys->trans.algo_crypt->keysize;
+	    S2C_keysize = ses.newkeys->recv.algo_crypt->keysize;
 		mactransletter = 'E';
 		macrecvletter = 'F';
 	} else {
@@ -287,8 +346,8 @@ void gen_new_keys() {
 	    recv_IV		= C2S_IV;
 	    trans_key	= S2C_key;
 	    recv_key	= C2S_key;
-	    C2S_keysize = ses.newkeys->recv_algo_crypt->keysize;
-	    S2C_keysize = ses.newkeys->trans_algo_crypt->keysize;
+	    C2S_keysize = ses.newkeys->recv.algo_crypt->keysize;
+	    S2C_keysize = ses.newkeys->trans.algo_crypt->keysize;
 		mactransletter = 'F';
 		macrecvletter = 'E';
 	}
@@ -298,89 +357,122 @@ void gen_new_keys() {
 	hashkeys(C2S_key, C2S_keysize, &hs, 'C');
 	hashkeys(S2C_key, S2C_keysize, &hs, 'D');
 
-	if (cbc_start(
-		find_cipher(ses.newkeys->recv_algo_crypt->cipherdesc->name),
-			recv_IV, recv_key, 
-			ses.newkeys->recv_algo_crypt->keysize, 0, 
-			&ses.newkeys->recv_symmetric_struct) != CRYPT_OK) {
-		dropbear_exit("crypto error");
+	if (ses.newkeys->recv.algo_crypt->cipherdesc != NULL) {
+		int recv_cipher = find_cipher(ses.newkeys->recv.algo_crypt->cipherdesc->name);
+		if (recv_cipher < 0)
+			dropbear_exit("Crypto error");
+		if (ses.newkeys->recv.crypt_mode->start(recv_cipher, 
+				recv_IV, recv_key, 
+				ses.newkeys->recv.algo_crypt->keysize, 0, 
+				&ses.newkeys->recv.cipher_state) != CRYPT_OK) {
+			dropbear_exit("Crypto error");
+		}
 	}
 
-	if (cbc_start(
-		find_cipher(ses.newkeys->trans_algo_crypt->cipherdesc->name),
-			trans_IV, trans_key, 
-			ses.newkeys->trans_algo_crypt->keysize, 0, 
-			&ses.newkeys->trans_symmetric_struct) != CRYPT_OK) {
-		dropbear_exit("crypto error");
+	if (ses.newkeys->trans.algo_crypt->cipherdesc != NULL) {
+		int trans_cipher = find_cipher(ses.newkeys->trans.algo_crypt->cipherdesc->name);
+		if (trans_cipher < 0)
+			dropbear_exit("Crypto error");
+		if (ses.newkeys->trans.crypt_mode->start(trans_cipher, 
+				trans_IV, trans_key, 
+				ses.newkeys->trans.algo_crypt->keysize, 0, 
+				&ses.newkeys->trans.cipher_state) != CRYPT_OK) {
+			dropbear_exit("Crypto error");
+		}
 	}
-	
-	/* MAC keys */
-	hashkeys(ses.newkeys->transmackey, 
-			ses.newkeys->trans_algo_mac->keysize, &hs, mactransletter);
-	hashkeys(ses.newkeys->recvmackey, 
-			ses.newkeys->recv_algo_mac->keysize, &hs, macrecvletter);
 
-#ifndef DISABLE_ZLIB
-	gen_new_zstreams();
-#endif
-	
-	/* Switch over to the new keys */
-	m_burn(ses.keys, sizeof(struct key_context));
-	m_free(ses.keys);
-	ses.keys = ses.newkeys;
-	ses.newkeys = NULL;
+	if (ses.newkeys->trans.algo_mac->hashdesc != NULL) {
+		hashkeys(ses.newkeys->trans.mackey, 
+				ses.newkeys->trans.algo_mac->keysize, &hs, mactransletter);
+		ses.newkeys->trans.hash_index = find_hash(ses.newkeys->trans.algo_mac->hashdesc->name);
+	}
+
+	if (ses.newkeys->recv.algo_mac->hashdesc != NULL) {
+		hashkeys(ses.newkeys->recv.mackey, 
+				ses.newkeys->recv.algo_mac->keysize, &hs, macrecvletter);
+		ses.newkeys->recv.hash_index = find_hash(ses.newkeys->recv.algo_mac->hashdesc->name);
+	}
+
+	/* Ready to switch over */
+	ses.newkeys->trans.valid = 1;
+	ses.newkeys->recv.valid = 1;
+
+	m_burn(C2S_IV, sizeof(C2S_IV));
+	m_burn(C2S_key, sizeof(C2S_key));
+	m_burn(S2C_IV, sizeof(S2C_IV));
+	m_burn(S2C_key, sizeof(S2C_key));
 
 	TRACE(("leave gen_new_keys"))
 }
 
 #ifndef DISABLE_ZLIB
+
+int is_compress_trans() {
+	return ses.keys->trans.algo_comp == DROPBEAR_COMP_ZLIB
+		|| (ses.authstate.authdone
+			&& ses.keys->trans.algo_comp == DROPBEAR_COMP_ZLIB_DELAY);
+}
+
+int is_compress_recv() {
+	return ses.keys->recv.algo_comp == DROPBEAR_COMP_ZLIB
+		|| (ses.authstate.authdone
+			&& ses.keys->recv.algo_comp == DROPBEAR_COMP_ZLIB_DELAY);
+}
+
 /* Set up new zlib compression streams, close the old ones. Only
  * called from gen_new_keys() */
-static void gen_new_zstreams() {
+static void gen_new_zstream_recv() {
 
 	/* create new zstreams */
-	if (ses.newkeys->recv_algo_comp == DROPBEAR_COMP_ZLIB) {
-		ses.newkeys->recv_zstream = (z_streamp)m_malloc(sizeof(z_stream));
-		ses.newkeys->recv_zstream->zalloc = Z_NULL;
-		ses.newkeys->recv_zstream->zfree = Z_NULL;
+	if (ses.newkeys->recv.algo_comp == DROPBEAR_COMP_ZLIB
+			|| ses.newkeys->recv.algo_comp == DROPBEAR_COMP_ZLIB_DELAY) {
+		ses.newkeys->recv.zstream = (z_streamp)m_malloc(sizeof(z_stream));
+		ses.newkeys->recv.zstream->zalloc = Z_NULL;
+		ses.newkeys->recv.zstream->zfree = Z_NULL;
 		
-		if (inflateInit(ses.newkeys->recv_zstream) != Z_OK) {
+		if (inflateInit(ses.newkeys->recv.zstream) != Z_OK) {
 			dropbear_exit("zlib error");
 		}
 	} else {
-		ses.newkeys->recv_zstream = NULL;
+		ses.newkeys->recv.zstream = NULL;
 	}
+	/* clean up old keys */
+	if (ses.keys->recv.zstream != NULL) {
+		if (inflateEnd(ses.keys->recv.zstream) == Z_STREAM_ERROR) {
+			/* Z_DATA_ERROR is ok, just means that stream isn't ended */
+			dropbear_exit("Crypto error");
+		}
+		m_free(ses.keys->recv.zstream);
+	}
+}
 
-	if (ses.newkeys->trans_algo_comp == DROPBEAR_COMP_ZLIB) {
-		ses.newkeys->trans_zstream = (z_streamp)m_malloc(sizeof(z_stream));
-		ses.newkeys->trans_zstream->zalloc = Z_NULL;
-		ses.newkeys->trans_zstream->zfree = Z_NULL;
+static void gen_new_zstream_trans() {
+
+	if (ses.newkeys->trans.algo_comp == DROPBEAR_COMP_ZLIB
+			|| ses.newkeys->trans.algo_comp == DROPBEAR_COMP_ZLIB_DELAY) {
+		ses.newkeys->trans.zstream = (z_streamp)m_malloc(sizeof(z_stream));
+		ses.newkeys->trans.zstream->zalloc = Z_NULL;
+		ses.newkeys->trans.zstream->zfree = Z_NULL;
 	
-		if (deflateInit(ses.newkeys->trans_zstream, Z_DEFAULT_COMPRESSION) 
+		if (deflateInit2(ses.newkeys->trans.zstream, Z_DEFAULT_COMPRESSION,
+					Z_DEFLATED, DROPBEAR_ZLIB_WINDOW_BITS, 
+					DROPBEAR_ZLIB_MEM_LEVEL, Z_DEFAULT_STRATEGY)
 				!= Z_OK) {
 			dropbear_exit("zlib error");
 		}
 	} else {
-		ses.newkeys->trans_zstream = NULL;
+		ses.newkeys->trans.zstream = NULL;
 	}
-	
-	/* clean up old keys */
-	if (ses.keys->recv_zstream != NULL) {
-		if (inflateEnd(ses.keys->recv_zstream) == Z_STREAM_ERROR) {
+
+	if (ses.keys->trans.zstream != NULL) {
+		if (deflateEnd(ses.keys->trans.zstream) == Z_STREAM_ERROR) {
 			/* Z_DATA_ERROR is ok, just means that stream isn't ended */
-			dropbear_exit("crypto error");
+			dropbear_exit("Crypto error");
 		}
-		m_free(ses.keys->recv_zstream);
-	}
-	if (ses.keys->trans_zstream != NULL) {
-		if (deflateEnd(ses.keys->trans_zstream) == Z_STREAM_ERROR) {
-			/* Z_DATA_ERROR is ok, just means that stream isn't ended */
-			dropbear_exit("crypto error");
-		}
-		m_free(ses.keys->trans_zstream);
+		m_free(ses.keys->trans.zstream);
 	}
 }
-#endif
+#endif /* DISABLE_ZLIB */
 
 
 /* Executed upon receiving a kexinit message from the client to initiate
@@ -454,7 +546,7 @@ void recv_msg_kexinit() {
 	    buf_putstring(ses.kexhashbuf,
 			ses.transkexinit->data, ses.transkexinit->len);
 
-		ses.requirenext = SSH_MSG_KEXDH_INIT;
+		ses.requirenext[0] = SSH_MSG_KEXDH_INIT;
 	}
 
 	buf_free(ses.transkexinit);
@@ -466,8 +558,20 @@ void recv_msg_kexinit() {
 	TRACE(("leave recv_msg_kexinit"))
 }
 
+static void load_dh_p(mp_int * dh_p)
+{
+	switch (ses.newkeys->algo_kex) {
+		case DROPBEAR_KEX_DH_GROUP1:
+			bytes_to_mp(dh_p, dh_p_1, DH_P_1_LEN);
+			break;
+		case DROPBEAR_KEX_DH_GROUP14:
+			bytes_to_mp(dh_p, dh_p_14, DH_P_14_LEN);
+			break;
+	}
+}
+
 /* Initialises and generate one side of the diffie-hellman key exchange values.
- * See the ietf-secsh-transport draft, section 6, for details */
+ * See the transport rfc 4253 section 8 for details */
 /* dh_pub and dh_priv MUST be already initialised */
 void gen_kexdh_vals(mp_int *dh_pub, mp_int *dh_priv) {
 
@@ -475,12 +579,12 @@ void gen_kexdh_vals(mp_int *dh_pub, mp_int *dh_priv) {
 	DEF_MP_INT(dh_q);
 	DEF_MP_INT(dh_g);
 
-	TRACE(("enter send_msg_kexdh_reply"))
+	TRACE(("enter gen_kexdh_vals"))
 	
 	m_mp_init_multi(&dh_g, &dh_p, &dh_q, NULL);
 
 	/* read the prime and generator*/
-	bytes_to_mp(&dh_p, (unsigned char*)dh_p_val, DH_P_LEN);
+	load_dh_p(&dh_p);
 	
 	if (mp_set_int(&dh_g, DH_G_VAL) != MP_OKAY) {
 		dropbear_exit("Diffie-Hellman error");
@@ -517,8 +621,8 @@ void kexdh_comb_key(mp_int *dh_pub_us, mp_int *dh_priv, mp_int *dh_pub_them,
 	hash_state hs;
 
 	/* read the prime and generator*/
-	mp_init(&dh_p);
-	bytes_to_mp(&dh_p, dh_p_val, DH_P_LEN);
+	m_mp_init(&dh_p);
+	load_dh_p(&dh_p);
 
 	/* Check that dh_pub_them (dh_e or dh_f) is in the range [1, p-1] */
 	if (mp_cmp(dh_pub_them, &dh_p) != MP_LT 
@@ -598,20 +702,27 @@ static void read_kex_algos() {
 
 	buf_incrpos(ses.payload, 16); /* start after the cookie */
 
-	ses.newkeys = (struct key_context*)m_malloc(sizeof(struct key_context));
+	memset(ses.newkeys, 0x0, sizeof(*ses.newkeys));
+
+#ifdef USE_KEXGUESS2
+	enum kexguess2_used kexguess2 = KEXGUESS2_LOOK;
+#else
+	enum kexguess2_used kexguess2 = KEXGUESS2_NO;
+#endif
 
 	/* kex_algorithms */
-	algo = ses.buf_match_algo(ses.payload, sshkex, &goodguess);
+	algo = buf_match_algo(ses.payload, sshkex, &kexguess2, &goodguess);
 	allgood &= goodguess;
-	if (algo == NULL) {
+	if (algo == NULL || algo->val == KEXGUESS2_ALGO_ID) {
 		erralgo = "kex";
 		goto error;
 	}
+	TRACE(("kexguess2 %d", kexguess2))
 	TRACE(("kex algo %s", algo->name))
 	ses.newkeys->algo_kex = algo->val;
 
 	/* server_host_key_algorithms */
-	algo = ses.buf_match_algo(ses.payload, sshhostkey, &goodguess);
+	algo = buf_match_algo(ses.payload, sshhostkey, &kexguess2, &goodguess);
 	allgood &= goodguess;
 	if (algo == NULL) {
 		erralgo = "hostkey";
@@ -621,7 +732,7 @@ static void read_kex_algos() {
 	ses.newkeys->algo_hostkey = algo->val;
 
 	/* encryption_algorithms_client_to_server */
-	c2s_cipher_algo = ses.buf_match_algo(ses.payload, sshciphers, &goodguess);
+	c2s_cipher_algo = buf_match_algo(ses.payload, sshciphers, NULL, NULL);
 	if (c2s_cipher_algo == NULL) {
 		erralgo = "enc c->s";
 		goto error;
@@ -629,7 +740,7 @@ static void read_kex_algos() {
 	TRACE(("enc c2s is  %s", c2s_cipher_algo->name))
 
 	/* encryption_algorithms_server_to_client */
-	s2c_cipher_algo = ses.buf_match_algo(ses.payload, sshciphers, &goodguess);
+	s2c_cipher_algo = buf_match_algo(ses.payload, sshciphers, NULL, NULL);
 	if (s2c_cipher_algo == NULL) {
 		erralgo = "enc s->c";
 		goto error;
@@ -637,7 +748,7 @@ static void read_kex_algos() {
 	TRACE(("enc s2c is  %s", s2c_cipher_algo->name))
 
 	/* mac_algorithms_client_to_server */
-	c2s_hash_algo = ses.buf_match_algo(ses.payload, sshhashes, &goodguess);
+	c2s_hash_algo = buf_match_algo(ses.payload, sshhashes, NULL, NULL);
 	if (c2s_hash_algo == NULL) {
 		erralgo = "mac c->s";
 		goto error;
@@ -645,7 +756,7 @@ static void read_kex_algos() {
 	TRACE(("hash c2s is  %s", c2s_hash_algo->name))
 
 	/* mac_algorithms_server_to_client */
-	s2c_hash_algo = ses.buf_match_algo(ses.payload, sshhashes, &goodguess);
+	s2c_hash_algo = buf_match_algo(ses.payload, sshhashes, NULL, NULL);
 	if (s2c_hash_algo == NULL) {
 		erralgo = "mac s->c";
 		goto error;
@@ -653,7 +764,7 @@ static void read_kex_algos() {
 	TRACE(("hash s2c is  %s", s2c_hash_algo->name))
 
 	/* compression_algorithms_client_to_server */
-	c2s_comp_algo = ses.buf_match_algo(ses.payload, sshcompress, &goodguess);
+	c2s_comp_algo = buf_match_algo(ses.payload, ses.compress_algos, NULL, NULL);
 	if (c2s_comp_algo == NULL) {
 		erralgo = "comp c->s";
 		goto error;
@@ -661,7 +772,7 @@ static void read_kex_algos() {
 	TRACE(("hash c2s is  %s", c2s_comp_algo->name))
 
 	/* compression_algorithms_server_to_client */
-	s2c_comp_algo = ses.buf_match_algo(ses.payload, sshcompress, &goodguess);
+	s2c_comp_algo = buf_match_algo(ses.payload, ses.compress_algos, NULL, NULL);
 	if (s2c_comp_algo == NULL) {
 		erralgo = "comp s->c";
 		goto error;
@@ -674,9 +785,10 @@ static void read_kex_algos() {
 	/* languages_server_to_client */
 	buf_eatstring(ses.payload);
 
-	/* first_kex_packet_follows */
+	/* their first_kex_packet_follows */
 	if (buf_getbool(ses.payload)) {
-		ses.kexstate.firstfollows = 1;
+		TRACE(("them kex firstfollows. allgood %d", allgood))
+		ses.kexstate.them_firstfollows = 1;
 		/* if the guess wasn't good, we ignore the packet sent */
 		if (!allgood) {
 			ses.ignorenext = 1;
@@ -685,34 +797,47 @@ static void read_kex_algos() {
 
 	/* Handle the asymmetry */
 	if (IS_DROPBEAR_CLIENT) {
-		ses.newkeys->recv_algo_crypt = 
+		ses.newkeys->recv.algo_crypt = 
 			(struct dropbear_cipher*)s2c_cipher_algo->data;
-		ses.newkeys->trans_algo_crypt = 
+		ses.newkeys->trans.algo_crypt = 
 			(struct dropbear_cipher*)c2s_cipher_algo->data;
-		ses.newkeys->recv_algo_mac = 
+		ses.newkeys->recv.crypt_mode = 
+			(struct dropbear_cipher_mode*)s2c_cipher_algo->mode;
+		ses.newkeys->trans.crypt_mode =
+			(struct dropbear_cipher_mode*)c2s_cipher_algo->mode;
+		ses.newkeys->recv.algo_mac = 
 			(struct dropbear_hash*)s2c_hash_algo->data;
-		ses.newkeys->trans_algo_mac = 
+		ses.newkeys->trans.algo_mac = 
 			(struct dropbear_hash*)c2s_hash_algo->data;
-		ses.newkeys->recv_algo_comp = s2c_comp_algo->val;
-		ses.newkeys->trans_algo_comp = c2s_comp_algo->val;
+		ses.newkeys->recv.algo_comp = s2c_comp_algo->val;
+		ses.newkeys->trans.algo_comp = c2s_comp_algo->val;
 	} else {
 		/* SERVER */
-		ses.newkeys->recv_algo_crypt = 
+		ses.newkeys->recv.algo_crypt = 
 			(struct dropbear_cipher*)c2s_cipher_algo->data;
-		ses.newkeys->trans_algo_crypt = 
+		ses.newkeys->trans.algo_crypt = 
 			(struct dropbear_cipher*)s2c_cipher_algo->data;
-		ses.newkeys->recv_algo_mac = 
+		ses.newkeys->recv.crypt_mode =
+			(struct dropbear_cipher_mode*)c2s_cipher_algo->mode;
+		ses.newkeys->trans.crypt_mode =
+			(struct dropbear_cipher_mode*)s2c_cipher_algo->mode;
+		ses.newkeys->recv.algo_mac = 
 			(struct dropbear_hash*)c2s_hash_algo->data;
-		ses.newkeys->trans_algo_mac = 
+		ses.newkeys->trans.algo_mac = 
 			(struct dropbear_hash*)s2c_hash_algo->data;
-		ses.newkeys->recv_algo_comp = c2s_comp_algo->val;
-		ses.newkeys->trans_algo_comp = s2c_comp_algo->val;
+		ses.newkeys->recv.algo_comp = c2s_comp_algo->val;
+		ses.newkeys->trans.algo_comp = s2c_comp_algo->val;
 	}
 
 	/* reserved for future extensions */
 	buf_getint(ses.payload);
+
+	if (ses.send_kex_first_guess && allgood) {
+		TRACE(("our_first_follows_matches 1"))
+		ses.kexstate.our_first_follows_matches = 1;
+	}
 	return;
 
 error:
-	dropbear_exit("no matching algo %s", erralgo);
+	dropbear_exit("No matching algo %s", erralgo);
 }

common-runopts.c

@@ -28,6 +28,8 @@
 #include "buffer.h"
 #include "dbutil.h"
 #include "auth.h"
+#include "algo.h"
+#include "random.h"
 
 runopts opts; /* GLOBAL */
 
@@ -44,6 +46,9 @@ int readhostkey(const char * filename, sign_key * hostkey, int *type) {
 		goto out;
 	}
 	buf_setpos(buf, 0);
+
+	addrandom(buf_getptr(buf, buf->len), buf->len);
+
 	if (buf_get_priv_key(buf, hostkey, type) == DROPBEAR_FAILURE) {
 		goto out;
 	}
@@ -55,3 +60,48 @@ out:
 	buf_free(buf);
 	return ret;
 }
+
+#ifdef ENABLE_USER_ALGO_LIST
+void
+parse_ciphers_macs()
+{
+	if (opts.cipher_list)
+	{
+		if (strcmp(opts.cipher_list, "help") == 0)
+		{
+			char *ciphers = algolist_string(sshciphers);
+			dropbear_log(LOG_INFO, "Available ciphers:\n%s\n", ciphers);
+			m_free(ciphers);
+			dropbear_exit(".");
+		}
+
+		if (strcmp(opts.cipher_list, "none") == 0)
+		{
+			/* Encryption is required during authentication */
+			opts.cipher_list = "none,aes128-ctr";
+		}
+
+		if (check_user_algos(opts.cipher_list, sshciphers, "cipher") == 0)
+		{
+			dropbear_exit("No valid ciphers specified for '-c'");
+		}
+	}
+
+	if (opts.mac_list)
+	{
+		if (strcmp(opts.mac_list, "help") == 0)
+		{
+			char *macs = algolist_string(sshhashes);
+			dropbear_log(LOG_INFO, "Available MACs:\n%s\n", macs);
+			m_free(macs);
+			dropbear_exit(".");
+		}
+
+		if (check_user_algos(opts.mac_list, sshhashes, "MAC") == 0)
+		{
+			dropbear_exit("No valid MACs specified for '-m'");
+		}
+	}
+}
+#endif
+

common-session.c

@@ -33,10 +33,12 @@
 #include "random.h"
 #include "kex.h"
 #include "channel.h"
-#include "atomicio.h"
+#include "runopts.h"
 
 static void checktimeouts();
+static long select_timeout();
 static int ident_readln(int fd, char* buf, int count);
+static void read_session_identification();
 
 struct sshsession ses; /* GLOBAL */
 
@@ -47,54 +49,66 @@ int sessinitdone = 0; /* GLOBAL */
 /* this is set when we get SIGINT or SIGTERM, the handler is in main.c */
 int exitflag = 0; /* GLOBAL */
 
-
-
 /* called only at the start of a session, set up initial state */
-void common_session_init(int sock, char* remotehost) {
+void common_session_init(int sock_in, int sock_out) {
 
 	TRACE(("enter session_init"))
 
-	ses.remotehost = remotehost;
+	ses.sock_in = sock_in;
+	ses.sock_out = sock_out;
+	ses.maxfd = MAX(sock_in, sock_out);
 
-	ses.sock = sock;
-	ses.maxfd = sock;
+	ses.connect_time = 0;
+	ses.last_trx_packet_time = 0;
+	ses.last_packet_time = 0;
+	
+	if (pipe(ses.signal_pipe) < 0) {
+		dropbear_exit("Signal pipe failed");
+	}
+	setnonblocking(ses.signal_pipe[0]);
+	setnonblocking(ses.signal_pipe[1]);
 
-	ses.connecttimeout = 0;
+	ses.maxfd = MAX(ses.maxfd, ses.signal_pipe[0]);
+	ses.maxfd = MAX(ses.maxfd, ses.signal_pipe[1]);
 	
 	kexfirstinitialise(); /* initialise the kex state */
 
-	ses.writepayload = buf_new(MAX_TRANS_PAYLOAD_LEN);
+	ses.writepayload = buf_new(TRANS_MAX_PAYLOAD_LEN);
 	ses.transseq = 0;
 
 	ses.readbuf = NULL;
-	ses.decryptreadbuf = NULL;
 	ses.payload = NULL;
 	ses.recvseq = 0;
 
 	initqueue(&ses.writequeue);
 
-	ses.requirenext = SSH_MSG_KEXINIT;
-	ses.dataallowed = 0; /* don't send data yet, we'll wait until after kex */
+	ses.requirenext[0] = SSH_MSG_KEXINIT;
+	ses.dataallowed = 1; /* we can send data until we actually 
+							send the SSH_MSG_KEXINIT */
 	ses.ignorenext = 0;
 	ses.lastpacket = 0;
+	ses.reply_queue_head = NULL;
+	ses.reply_queue_tail = NULL;
 
 	/* set all the algos to none */
 	ses.keys = (struct key_context*)m_malloc(sizeof(struct key_context));
 	ses.newkeys = NULL;
-	ses.keys->recv_algo_crypt = &dropbear_nocipher;
-	ses.keys->trans_algo_crypt = &dropbear_nocipher;
+	ses.keys->recv.algo_crypt = &dropbear_nocipher;
+	ses.keys->trans.algo_crypt = &dropbear_nocipher;
+	ses.keys->recv.crypt_mode = &dropbear_mode_none;
+	ses.keys->trans.crypt_mode = &dropbear_mode_none;
 	
-	ses.keys->recv_algo_mac = &dropbear_nohash;
-	ses.keys->trans_algo_mac = &dropbear_nohash;
+	ses.keys->recv.algo_mac = &dropbear_nohash;
+	ses.keys->trans.algo_mac = &dropbear_nohash;
 
 	ses.keys->algo_kex = -1;
 	ses.keys->algo_hostkey = -1;
-	ses.keys->recv_algo_comp = DROPBEAR_COMP_NONE;
-	ses.keys->trans_algo_comp = DROPBEAR_COMP_NONE;
+	ses.keys->recv.algo_comp = DROPBEAR_COMP_NONE;
+	ses.keys->trans.algo_comp = DROPBEAR_COMP_NONE;
 
 #ifndef DISABLE_ZLIB
-	ses.keys->recv_zstream = NULL;
-	ses.keys->trans_zstream = NULL;
+	ses.keys->recv.zstream = NULL;
+	ses.keys->trans.zstream = NULL;
 #endif
 
 	/* key exchange buffers */
@@ -108,7 +122,6 @@ void common_session_init(int sock, char* remotehost) {
 
 	ses.allowprivport = 0;
 
-
 	TRACE(("leave session_init"))
 }
 
@@ -121,17 +134,24 @@ void session_loop(void(*loophandler)()) {
 	/* main loop, select()s for all sockets in use */
 	for(;;) {
 
-		timeout.tv_sec = SELECT_TIMEOUT;
+		timeout.tv_sec = select_timeout();
 		timeout.tv_usec = 0;
 		FD_ZERO(&writefd);
 		FD_ZERO(&readfd);
 		dropbear_assert(ses.payload == NULL);
-		if (ses.sock != -1) {
-			FD_SET(ses.sock, &readfd);
-			if (!isempty(&ses.writequeue)) {
-				FD_SET(ses.sock, &writefd);
-			}
+
+		/* during initial setup we flush out the KEXINIT packet before
+		 * attempting to read the remote version string, which might block */
+		if (ses.sock_in != -1 && (ses.remoteident || isempty(&ses.writequeue))) {
+			FD_SET(ses.sock_in, &readfd);
 		}
+		if (ses.sock_out != -1 && !isempty(&ses.writequeue)) {
+			FD_SET(ses.sock_out, &writefd);
+		}
+		
+		/* We get woken up when signal handlers write to this pipe.
+		   SIGCHLD in svr-chansession is the only one currently. */
+		FD_SET(ses.signal_pipe[0], &readfd);
 
 		/* set up for channels which require reading/writing */
 		if (ses.dataallowed) {
@@ -143,36 +163,45 @@ void session_loop(void(*loophandler)()) {
 			dropbear_exit("Terminated by signal");
 		}
 		
-		if (val < 0) {
-			if (errno == EINTR) {
-				/* This must happen even if we've been interrupted, so that
-				 * changed signal-handler vars can take effect etc */
-				if (loophandler) {
-					loophandler();
-				}
-				continue;
-			} else {
-				dropbear_exit("Error in select");
-			}
+		if (val < 0 && errno != EINTR) {
+			dropbear_exit("Error in select");
+		}
+
+		if (val <= 0) {
+			/* If we were interrupted or the select timed out, we still
+			 * want to iterate over channels etc for reading, to handle
+			 * server processes exiting etc. 
+			 * We don't want to read/write FDs. */
+			FD_ZERO(&writefd);
+			FD_ZERO(&readfd);
+		}
+		
+		/* We'll just empty out the pipe if required. We don't do
+		any thing with the data, since the pipe's purpose is purely to
+		wake up the select() above. */
+		if (FD_ISSET(ses.signal_pipe[0], &readfd)) {
+			char x;
+			while (read(ses.signal_pipe[0], &x, 1) > 0) {}
 		}
 
 		/* check for auth timeout, rekeying required etc */
 		checktimeouts();
-		
-		if (val == 0) {
-			/* timeout */
-			TRACE(("select timeout"))
-			continue;
-		}
 
 		/* process session socket's incoming/outgoing data */
-		if (ses.sock != -1) {
-			if (FD_ISSET(ses.sock, &writefd) && !isempty(&ses.writequeue)) {
+		if (ses.sock_out != -1) {
+			if (FD_ISSET(ses.sock_out, &writefd) && !isempty(&ses.writequeue)) {
 				write_packet();
 			}
+		}
 
-			if (FD_ISSET(ses.sock, &readfd)) {
-				read_packet();
+		if (ses.sock_in != -1) {
+			if (FD_ISSET(ses.sock_in, &readfd)) {
+				if (!ses.remoteident) {
+					/* blocking read of the version string */
+					read_session_identification();
+				} else {
+					read_packet();
+				}
 			}
 			
 			/* Process the decrypted packet. After this, the read buffer
@@ -181,6 +210,10 @@ void session_loop(void(*loophandler)()) {
 				process_packet();
 			}
 		}
+		
+		/* if required, flush out any queued reply packets that
+		were being held up during a KEX */
+		maybe_flush_reply_queue();
 
 		/* process pipes etc for the channels, ses.dataallowed == 0
 		 * during rekeying ) */
@@ -198,7 +231,7 @@ void session_loop(void(*loophandler)()) {
 }
 
 /* clean up a session on exit */
-void common_session_cleanup() {
+void session_cleanup() {
 	
 	TRACE(("enter session_cleanup"))
 	
@@ -207,6 +240,10 @@ void common_session_cleanup() {
 		TRACE(("leave session_cleanup: !sessinitdone"))
 		return;
 	}
+
+	if (ses.extra_session_cleanup) {
+		ses.extra_session_cleanup();
+	}
 	
 	m_free(ses.session_id);
 	m_burn(ses.keys, sizeof(struct key_context));
@@ -217,24 +254,23 @@ void common_session_cleanup() {
 	TRACE(("leave session_cleanup"))
 }
 
+void send_session_identification() {
+	buffer *writebuf = buf_new(strlen(LOCAL_IDENT "\r\n") + 1);
+	buf_putbytes(writebuf, LOCAL_IDENT "\r\n", strlen(LOCAL_IDENT "\r\n"));
+	buf_putbyte(writebuf, 0x0); // packet type
+	buf_setpos(writebuf, 0);
+	enqueue(&ses.writequeue, writebuf);
+}
 
-void session_identification() {
-
+static void read_session_identification() {
 	/* max length of 255 chars */
 	char linebuf[256];
 	int len = 0;
 	char done = 0;
 	int i;
-
-	/* write our version string, this blocks */
-	if (atomicio(write, ses.sock, LOCAL_IDENT "\r\n",
-				strlen(LOCAL_IDENT "\r\n")) == DROPBEAR_FAILURE) {
-		dropbear_exit("Error writing ident string");
-	}
-
-    /* If they send more than 50 lines, something is wrong */
+	/* If they send more than 50 lines, something is wrong */
 	for (i = 0; i < 50; i++) {
-		len = ident_readln(ses.sock, linebuf, sizeof(linebuf));
+		len = ident_readln(ses.sock_in, linebuf, sizeof(linebuf));
 
 		if (len < 0 && errno != EINTR) {
 			/* It failed */
@@ -250,18 +286,18 @@ void session_identification() {
 
 	if (!done) {
 		TRACE(("err: %s for '%s'\n", strerror(errno), linebuf))
-		dropbear_exit("Failed to get remote version");
+		ses.remoteclosed();
 	} else {
 		/* linebuf is already null terminated */
 		ses.remoteident = m_malloc(len);
 		memcpy(ses.remoteident, linebuf, len);
 	}
 
-    /* Shall assume that 2.x will be backwards compatible. */
-    if (strncmp(ses.remoteident, "SSH-2.", 6) != 0
-            && strncmp(ses.remoteident, "SSH-1.99-", 9) != 0) {
-        dropbear_exit("Incompatible remote version '%s'", ses.remoteident);
-    }
+	/* Shall assume that 2.x will be backwards compatible. */
+	if (strncmp(ses.remoteident, "SSH-2.", 6) != 0
+			&& strncmp(ses.remoteident, "SSH-1.99-", 9) != 0) {
+		dropbear_exit("Incompatible remote version '%s'", ses.remoteident);
+	}
 
 	TRACE(("remoteident: %s", ses.remoteident))
 
@@ -341,20 +377,22 @@ static int ident_readln(int fd, char* buf, int count) {
 	return pos+1;
 }
 
+void send_msg_ignore() {
+	CHECKCLEARTOWRITE();
+	buf_putbyte(ses.writepayload, SSH_MSG_IGNORE);
+	buf_putstring(ses.writepayload, "", 0);
+	encrypt_packet();
+}
+
 /* Check all timeouts which are required. Currently these are the time for
  * user authentication, and the automatic rekeying. */
 static void checktimeouts() {
 
-	struct timeval tv;
-	long secs;
+	time_t now;
 
-	if (gettimeofday(&tv, 0) < 0) {
-		dropbear_exit("Error getting time");
-	}
-
-	secs = tv.tv_sec;
+	now = time(NULL);
 	
-	if (ses.connecttimeout != 0 && secs > ses.connecttimeout) {
+	if (ses.connect_time != 0 && now - ses.connect_time >= AUTH_TIMEOUT) {
 			dropbear_close("Timeout before auth");
 	}
 
@@ -364,10 +402,80 @@ static void checktimeouts() {
 	}
 
 	if (!ses.kexstate.sentkexinit
-			&& (secs - ses.kexstate.lastkextime >= KEX_REKEY_TIMEOUT
-			|| ses.kexstate.datarecv+ses.kexstate.datatrans >= KEX_REKEY_DATA)){
+			&& (now - ses.kexstate.lastkextime >= KEX_REKEY_TIMEOUT
+			|| ses.kexstate.datarecv+ses.kexstate.datatrans >= KEX_REKEY_DATA)) {
 		TRACE(("rekeying after timeout or max data reached"))
 		send_msg_kexinit();
 	}
+	
+	if (opts.keepalive_secs > 0 
+			&& now - ses.last_trx_packet_time >= opts.keepalive_secs) {
+		send_msg_ignore();
+	}
+
+	if (opts.idle_timeout_secs > 0 && ses.last_packet_time > 0
+			&& now - ses.last_packet_time >= opts.idle_timeout_secs) {
+		dropbear_close("Idle timeout");
+	}
+}
+
+static long select_timeout() {
+	/* determine the minimum timeout that might be required, so
+	as to avoid waking when unneccessary */
+	long ret = LONG_MAX;
+	if (KEX_REKEY_TIMEOUT > 0)
+		ret = MIN(KEX_REKEY_TIMEOUT, ret);
+	if (AUTH_TIMEOUT > 0)
+		ret = MIN(AUTH_TIMEOUT, ret);
+	if (opts.keepalive_secs > 0)
+		ret = MIN(opts.keepalive_secs, ret);
+    if (opts.idle_timeout_secs > 0)
+        ret = MIN(opts.idle_timeout_secs, ret);
+	return ret;
+}
+
+const char* get_user_shell() {
+	/* an empty shell should be interpreted as "/bin/sh" */
+	if (ses.authstate.pw_shell[0] == '\0') {
+		return "/bin/sh";
+	} else {
+		return ses.authstate.pw_shell;
+	}
+}
+void fill_passwd(const char* username) {
+	struct passwd *pw = NULL;
+	if (ses.authstate.pw_name)
+		m_free(ses.authstate.pw_name);
+	if (ses.authstate.pw_dir)
+		m_free(ses.authstate.pw_dir);
+	if (ses.authstate.pw_shell)
+		m_free(ses.authstate.pw_shell);
+	if (ses.authstate.pw_passwd)
+		m_free(ses.authstate.pw_passwd);
+
+	pw = getpwnam(username);
+	if (!pw) {
+		return;
+	}
+	ses.authstate.pw_uid = pw->pw_uid;
+	ses.authstate.pw_gid = pw->pw_gid;
+	ses.authstate.pw_name = m_strdup(pw->pw_name);
+	ses.authstate.pw_dir = m_strdup(pw->pw_dir);
+	ses.authstate.pw_shell = m_strdup(pw->pw_shell);
+	{
+		char *passwd_crypt = pw->pw_passwd;
+#ifdef HAVE_SHADOW_H
+		/* get the shadow password if possible */
+		struct spwd *spasswd = getspnam(ses.authstate.pw_name);
+		if (spasswd && spasswd->sp_pwdp) {
+			passwd_crypt = spasswd->sp_pwdp;
+		}
+#endif
+		if (!passwd_crypt) {
+			/* android supposedly returns NULL */
+			passwd_crypt = "!!";
+		}
+		ses.authstate.pw_passwd = m_strdup(passwd_crypt);
+	}
 }
 

compat.c

@@ -193,6 +193,10 @@ int daemon(int nochdir, int noclose) {
 char *basename(const char *path) {
 
 	char *foo = strrchr(path, '/');
+	if (!foo)
+	{
+		return path;
+	}
 	return ++foo;
 }
 

config.sub

@@ -1,9 +1,10 @@
 #! /bin/sh
 # Configuration validation subroutine script.
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
+#   Inc.
 
-timestamp='2003-05-09'
+timestamp='2007-01-18'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -21,14 +22,15 @@ timestamp='2003-05-09'
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
-
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
 # the same distribution terms that you use for the rest of that program.
 
+
 # Please send patches to <config-patches@gnu.org>.  Submit a context
 # diff and a properly formatted ChangeLog entry.
 #
@@ -70,7 +72,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
@@ -83,11 +85,11 @@ Try \`$me --help' for more information."
 while test $# -gt 0 ; do
   case $1 in
     --time-stamp | --time* | -t )
-       echo "$timestamp" ; exit 0 ;;
+       echo "$timestamp" ; exit ;;
     --version | -v )
-       echo "$version" ; exit 0 ;;
+       echo "$version" ; exit ;;
     --help | --h* | -h )
-       echo "$usage"; exit 0 ;;
+       echo "$usage"; exit ;;
     -- )     # Stop option processing
        shift; break ;;
     - )	# Use stdin as input.
@@ -99,7 +101,7 @@ while test $# -gt 0 ; do
     *local*)
        # First pass through any local machine types.
        echo $1
-       exit 0;;
+       exit ;;
 
     * )
        break ;;
@@ -118,7 +120,9 @@ esac
 # Here we must recognize all the valid KERNEL-OS combinations.
 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
-  nto-qnx* | linux-gnu* | freebsd*-gnu* | netbsd*-gnu* | storm-chaos* | os2-emx* | rtmk-nova*)
+  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
+  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
+  storm-chaos* | os2-emx* | rtmk-nova*)
     os=-$maybe_os
     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
     ;;
@@ -144,7 +148,7 @@ case $os in
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple | -axis)
+	-apple | -axis | -knuth | -cray)
 		os=
 		basic_machine=$1
 		;;
@@ -169,6 +173,10 @@ case $os in
 	-hiux*)
 		os=-hiuxwe2
 		;;
+	-sco6)
+		os=-sco5v6
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
 	-sco5)
 		os=-sco3.2v5
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
@@ -185,6 +193,10 @@ case $os in
 		# Don't forget version if it is 3.2v4 or newer.
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
+	-sco5v6*)
+		# Don't forget version if it is 3.2v4 or newer.
+		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		;;
 	-sco*)
 		os=-sco3.2v2
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
@@ -228,14 +240,17 @@ case $basic_machine in
 	| a29k \
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
-	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \
-	| clipper \
+	| am33_2.0 \
+	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+	| bfin \
+	| c4x | clipper \
 	| d10v | d30v | dlx | dsp16xx \
-	| fr30 | frv \
+	| fido | fr30 | frv \
 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 	| i370 | i860 | i960 | ia64 \
-	| ip2k \
-	| m32r | m68000 | m68k | m88k | mcore \
+	| ip2k | iq2000 \
+	| m32c | m32r | m32rle | m68000 | m68k | m88k \
+	| maxq | mb | microblaze | mcore | mep \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
 	| mips16 \
 	| mips64 | mips64el \
@@ -244,27 +259,33 @@ case $basic_machine in
 	| mips64vr4100 | mips64vr4100el \
 	| mips64vr4300 | mips64vr4300el \
 	| mips64vr5000 | mips64vr5000el \
+	| mips64vr5900 | mips64vr5900el \
 	| mipsisa32 | mipsisa32el \
 	| mipsisa32r2 | mipsisa32r2el \
 	| mipsisa64 | mipsisa64el \
+	| mipsisa64r2 | mipsisa64r2el \
 	| mipsisa64sb1 | mipsisa64sb1el \
 	| mipsisa64sr71k | mipsisa64sr71kel \
 	| mipstx39 | mipstx39el \
 	| mn10200 | mn10300 \
+	| mt \
 	| msp430 \
+	| nios | nios2 \
 	| ns16k | ns32k \
-	| openrisc | or32 \
+	| or32 \
 	| pdp10 | pdp11 | pj | pjl \
 	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
 	| pyramid \
-	| sh | sh[1234] | sh[23]e | sh[34]eb | shbe | shle | sh[1234]le | sh3ele \
+	| score \
+	| sh | sh[1234] | sh[24]a | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
 	| sh64 | sh64le \
-	| sparc | sparc64 | sparc86x | sparclet | sparclite | sparcv9 | sparcv9b \
-	| strongarm \
-	| tahoe | thumb | tic80 | tron \
+	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
+	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
+	| spu | strongarm \
+	| tahoe | thumb | tic4x | tic80 | tron \
 	| v850 | v850e \
 	| we32k \
-	| x86 | xscale | xstormy16 | xtensa \
+	| x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
 	| z8k)
 		basic_machine=$basic_machine-unknown
 		;;
@@ -275,6 +296,9 @@ case $basic_machine in
 		;;
 	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
 		;;
+	ms1)
+		basic_machine=mt-unknown
+		;;
 
 	# We use `pc' rather than `unknown'
 	# because (1) that's what they normally are, and
@@ -294,20 +318,20 @@ case $basic_machine in
 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
-	| avr-* \
-	| bs2000-* \
+	| avr-* | avr32-* \
+	| bfin-* | bs2000-* \
 	| c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
-	| clipper-* | cydra-* \
+	| clipper-* | craynv-* | cydra-* \
 	| d10v-* | d30v-* | dlx-* \
 	| elxsi-* \
-	| f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \
+	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
 	| h8300-* | h8500-* \
 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
 	| i*86-* | i860-* | i960-* | ia64-* \
-	| ip2k-* \
-	| m32r-* \
+	| ip2k-* | iq2000-* \
+	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
-	| m88110-* | m88k-* | mcore-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* \
 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
 	| mips16-* \
 	| mips64-* | mips64el-* \
@@ -316,30 +340,36 @@ case $basic_machine in
 	| mips64vr4100-* | mips64vr4100el-* \
 	| mips64vr4300-* | mips64vr4300el-* \
 	| mips64vr5000-* | mips64vr5000el-* \
+	| mips64vr5900-* | mips64vr5900el-* \
 	| mipsisa32-* | mipsisa32el-* \
 	| mipsisa32r2-* | mipsisa32r2el-* \
 	| mipsisa64-* | mipsisa64el-* \
+	| mipsisa64r2-* | mipsisa64r2el-* \
 	| mipsisa64sb1-* | mipsisa64sb1el-* \
 	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
 	| mipstx39-* | mipstx39el-* \
+	| mmix-* \
+	| mt-* \
 	| msp430-* \
-	| none-* | np1-* | nv1-* | ns16k-* | ns32k-* \
+	| nios-* | nios2-* \
+	| none-* | np1-* | ns16k-* | ns32k-* \
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
 	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
 	| pyramid-* \
 	| romp-* | rs6000-* \
-	| sh-* | sh[1234]-* | sh[23]e-* | sh[34]eb-* | shbe-* \
+	| sh-* | sh[1234]-* | sh[24]a-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
 	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
-	| sparc-* | sparc64-* | sparc86x-* | sparclet-* | sparclite-* \
-	| sparcv9-* | sparcv9b-* | strongarm-* | sv1-* | sx?-* \
+	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
+	| sparclite-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
 	| tahoe-* | thumb-* \
 	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
 	| tron-* \
 	| v850-* | v850e-* | vax-* \
 	| we32k-* \
-	| x86-* | x86_64-* | xps100-* | xscale-* | xstormy16-* \
-	| xtensa-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
+	| xstormy16-* | xtensa-* \
 	| ymp-* \
 	| z8k-*)
 		;;
@@ -359,6 +389,9 @@ case $basic_machine in
 		basic_machine=a29k-amd
 		os=-udi
 		;;
+    	abacus)
+		basic_machine=abacus-unknown
+		;;
 	adobe68k)
 		basic_machine=m68010-adobe
 		os=-scout
@@ -376,6 +409,9 @@ case $basic_machine in
 	amd64)
 		basic_machine=x86_64-pc
 		;;
+	amd64-*)
+		basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	amdahl)
 		basic_machine=580-amdahl
 		os=-sysv
@@ -435,12 +471,27 @@ case $basic_machine in
 		basic_machine=j90-cray
 		os=-unicos
 		;;
+	craynv)
+		basic_machine=craynv-cray
+		os=-unicosmp
+		;;
+	cr16c)
+		basic_machine=cr16c-unknown
+		os=-elf
+		;;
 	crds | unos)
 		basic_machine=m68k-crds
 		;;
+	crisv32 | crisv32-* | etraxfs*)
+		basic_machine=crisv32-axis
+		;;
 	cris | cris-* | etrax*)
 		basic_machine=cris-axis
 		;;
+	crx)
+		basic_machine=crx-unknown
+		os=-elf
+		;;
 	da30 | da30-*)
 		basic_machine=m68k-da30
 		;;
@@ -463,6 +514,10 @@ case $basic_machine in
 		basic_machine=m88k-motorola
 		os=-sysv3
 		;;
+	djgpp)
+		basic_machine=i586-pc
+		os=-msdosdjgpp
+		;;
 	dpx20 | dpx20-*)
 		basic_machine=rs6000-bull
 		os=-bosx
@@ -641,10 +696,6 @@ case $basic_machine in
 	mips3*)
 		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
 		;;
-	mmix*)
-		basic_machine=mmix-knuth
-		os=-mmixware
-		;;
 	monitor)
 		basic_machine=m68k-rom68k
 		os=-coff
@@ -657,6 +708,9 @@ case $basic_machine in
 		basic_machine=i386-pc
 		os=-msdos
 		;;
+	ms1-*)
+		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+		;;
 	mvs)
 		basic_machine=i370-ibm
 		os=-mvs
@@ -725,10 +779,6 @@ case $basic_machine in
 	np1)
 		basic_machine=np1-gould
 		;;
-	nv1)
-		basic_machine=nv1-cray
-		os=-unicosmp
-		;;
 	nsr-tandem)
 		basic_machine=nsr-tandem
 		;;
@@ -736,9 +786,12 @@ case $basic_machine in
 		basic_machine=hppa1.1-oki
 		os=-proelf
 		;;
-	or32 | or32-*)
+	openrisc | openrisc-*)
 		basic_machine=or32-unknown
-		os=-coff
+		;;
+	os400)
+		basic_machine=powerpc-ibm
+		os=-os400
 		;;
 	OSE68000 | ose68000)
 		basic_machine=m68000-ericsson
@@ -765,24 +818,36 @@ case $basic_machine in
 	pc532 | pc532-*)
 		basic_machine=ns32k-pc532
 		;;
+	pc98)
+		basic_machine=i386-pc
+		;;
+	pc98-*)
+		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	pentium | p5 | k5 | k6 | nexgen | viac3)
 		basic_machine=i586-pc
 		;;
 	pentiumpro | p6 | 6x86 | athlon | athlon_*)
 		basic_machine=i686-pc
 		;;
-	pentiumii | pentium2)
+	pentiumii | pentium2 | pentiumiii | pentium3)
 		basic_machine=i686-pc
 		;;
+	pentium4)
+		basic_machine=i786-pc
+		;;
 	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pentiumpro-* | p6-* | 6x86-* | athlon-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	pentiumii-* | pentium2-*)
+	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
+	pentium4-*)
+		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	pn)
 		basic_machine=pn-gould
 		;;
@@ -815,6 +880,10 @@ case $basic_machine in
 		basic_machine=i586-unknown
 		os=-pw32
 		;;
+	rdos)
+		basic_machine=i386-pc
+		os=-rdos
+		;;
 	rom68k)
 		basic_machine=m68k-rom68k
 		os=-coff
@@ -841,6 +910,14 @@ case $basic_machine in
 	sb1el)
 		basic_machine=mipsisa64sb1el-unknown
 		;;
+	sde)
+		basic_machine=mipsisa32-sde
+		os=-elf
+		;;
+	sei)
+		basic_machine=mips-sei
+		os=-seiux
+		;;
 	sequent)
 		basic_machine=i386-sequent
 		;;
@@ -848,6 +925,12 @@ case $basic_machine in
 		basic_machine=sh-hitachi
 		os=-hms
 		;;
+	sh5el)
+		basic_machine=sh5le-unknown
+		;;
+	sh64)
+		basic_machine=sh64-unknown
+		;;
 	sparclite-wrs | simso-wrs)
 		basic_machine=sparclite-wrs
 		os=-vxworks
@@ -922,10 +1005,6 @@ case $basic_machine in
 		basic_machine=t90-cray
 		os=-unicos
 		;;
-        tic4x | c4x*)
-		basic_machine=tic4x-unknown
-		os=-coff
-		;;
 	tic54x | c54x*)
 		basic_machine=tic54x-unknown
 		os=-coff
@@ -951,6 +1030,10 @@ case $basic_machine in
 	tower | tower-32)
 		basic_machine=m68k-ncr
 		;;
+	tpf)
+		basic_machine=s390x-ibm
+		os=-tpf
+		;;
 	udi29k)
 		basic_machine=a29k-amd
 		os=-udi
@@ -994,6 +1077,10 @@ case $basic_machine in
 		basic_machine=hppa1.1-winbond
 		os=-proelf
 		;;
+	xbox)
+		basic_machine=i686-pc
+		os=-mingw32
+		;;
 	xps | xps100)
 		basic_machine=xps100-honeywell
 		;;
@@ -1024,6 +1111,9 @@ case $basic_machine in
 	romp)
 		basic_machine=romp-ibm
 		;;
+	mmix)
+		basic_machine=mmix-knuth
+		;;
 	rs6000)
 		basic_machine=rs6000-ibm
 		;;
@@ -1040,13 +1130,10 @@ case $basic_machine in
 	we32k)
 		basic_machine=we32k-att
 		;;
-	sh3 | sh4 | sh[34]eb | sh[1234]le | sh[23]ele)
+	sh[1234] | sh[24]a | sh[34]eb | sh[1234]le | sh[23]ele)
 		basic_machine=sh-unknown
 		;;
-	sh64)
-		basic_machine=sh64-unknown
-		;;
-	sparc | sparcv9 | sparcv9b)
+	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
 		basic_machine=sparc-sun
 		;;
 	cydra)
@@ -1119,19 +1206,23 @@ case $os in
 	      | -aos* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
-	      | -hiux* | -386bsd* | -netbsd* | -openbsd* | -freebsd* | -riscix* \
-	      | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+	      | -openbsd* | -solidbsd* \
+	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -chorusos* | -chorusrdb* \
 	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
+	      | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
+	      | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
-	      | -powermax* | -dnix*)
+	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1149,12 +1240,15 @@ case $os in
 		os=`echo $os | sed -e 's|nto|nto-qnx|'`
 		;;
 	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
-	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* \
+	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
 	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
 		;;
 	-mac*)
 		os=`echo $os | sed -e 's|mac|macos|'`
 		;;
+	-linux-dietlibc)
+		os=-linux-dietlibc
+		;;
 	-linux*)
 		os=`echo $os | sed -e 's|linux|linux-gnu|'`
 		;;
@@ -1167,6 +1261,9 @@ case $os in
 	-opened*)
 		os=-openedition
 		;;
+        -os400*)
+		os=-os400
+		;;
 	-wince*)
 		os=-wince
 		;;
@@ -1188,6 +1285,9 @@ case $os in
 	-atheos*)
 		os=-atheos
 		;;
+	-syllable*)
+		os=-syllable
+		;;
 	-386bsd)
 		os=-bsd
 		;;
@@ -1210,6 +1310,9 @@ case $os in
 	-sinix*)
 		os=-sysv4
 		;;
+        -tpf*)
+		os=-tpf
+		;;
 	-triton*)
 		os=-sysv3
 		;;
@@ -1246,6 +1349,9 @@ case $os in
 	-kaos*)
 		os=-kaos
 		;;
+	-zvmoe)
+		os=-zvmoe
+		;;
 	-none)
 		;;
 	*)
@@ -1268,6 +1374,12 @@ else
 # system, and we'll never get to this point.
 
 case $basic_machine in
+        score-*)
+		os=-elf
+		;;
+        spu-*)
+		os=-elf
+		;;
 	*-acorn)
 		os=-riscix1.2
 		;;
@@ -1277,6 +1389,9 @@ case $basic_machine in
 	arm*-semi)
 		os=-aout
 		;;
+        c4x-* | tic4x-*)
+        	os=-coff
+		;;
 	# This must come before the *-dec entry.
 	pdp10-*)
 		os=-tops20
@@ -1302,6 +1417,9 @@ case $basic_machine in
 	m68*-cisco)
 		os=-aout
 		;;
+        mep-*)
+		os=-elf
+		;;
 	mips*-cisco)
 		os=-elf
 		;;
@@ -1320,9 +1438,15 @@ case $basic_machine in
 	*-be)
 		os=-beos
 		;;
+	*-haiku)
+		os=-haiku
+		;;
 	*-ibm)
 		os=-aix
 		;;
+    	*-knuth)
+		os=-mmixware
+		;;
 	*-wec)
 		os=-proelf
 		;;
@@ -1455,9 +1579,15 @@ case $basic_machine in
 			-mvs* | -opened*)
 				vendor=ibm
 				;;
+			-os400*)
+				vendor=ibm
+				;;
 			-ptx*)
 				vendor=sequent
 				;;
+			-tpf*)
+				vendor=ibm
+				;;
 			-vxsim* | -vxworks* | -windiss*)
 				vendor=wrs
 				;;
@@ -1482,7 +1612,7 @@ case $basic_machine in
 esac
 
 echo $basic_machine$os
-exit 0
+exit
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)

configure.ac

@@ -19,10 +19,13 @@ fi
 AC_SUBST(LD)	
 
 if test -z "$OLDCFLAGS" && test "$GCC" = "yes"; then
-	AC_MSG_RESULT(No \$CFLAGS set... using "-Os -W -Wall" for GCC)
+	AC_MSG_NOTICE(No \$CFLAGS set... using "-Os -W -Wall" for GCC)
 	CFLAGS="-Os -W -Wall"
 fi
 
+# large file support is useful for scp
+AC_SYS_LARGEFILE
+
 # Host specific options
 # this isn't a definitive list of hosts, they are just added as required
 AC_CANONICAL_HOST
@@ -75,11 +78,12 @@ dnl Can't use login() or logout() with uclibc
 AC_CHECK_DECL(__UCLIBC__, 
 	[
 	no_loginfunc_check=1
-	AC_MSG_RESULT(Using uClibc - login() and logout() probably don't work, so we won't use them.)
+	AC_MSG_NOTICE([Using uClibc - login() and logout() probably don't work, so we won't use them.])
 	],,,)
 
 # Checks for libraries.
-AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
+AC_CHECK_LIB(crypt, crypt, CRYPTLIB="-lcrypt")
+AC_SUBST(CRYPTLIB)	
 
 # Check if zlib is needed
 AC_ARG_WITH(zlib,
@@ -104,16 +108,16 @@ AC_ARG_ENABLE(zlib,
 	[
 		if test "x$enableval" = "xno"; then
 			AC_DEFINE(DISABLE_ZLIB,, Use zlib)
-			AC_MSG_RESULT(Disabling zlib)
+			AC_MSG_NOTICE(Disabling zlib)
 		else
 			AC_CHECK_LIB(z, deflate, , AC_MSG_ERROR([*** zlib missing - install first or check config.log ***]))
-			AC_MSG_RESULT(Enabling zlib)
+			AC_MSG_NOTICE(Enabling zlib)
 		fi
 	],
 	[
 		# if not disabled, check for zlib
 		AC_CHECK_LIB(z, deflate, , AC_MSG_ERROR([*** zlib missing - install first or check config.log ***]))
-		AC_MSG_RESULT(Enabling zlib)
+		AC_MSG_NOTICE(Enabling zlib)
 	]
 )
 
@@ -141,16 +145,17 @@ AC_ARG_ENABLE(pam,
 	[
 		if test "x$enableval" = "xyes"; then
 			AC_CHECK_LIB(pam, pam_authenticate, , AC_MSG_ERROR([*** PAM missing - install first or check config.log ***]))
-			AC_MSG_RESULT(Enabling PAM)
+			AC_MSG_NOTICE(Enabling PAM)
+			AC_CHECK_FUNCS(pam_fail_delay)
 		else
 			AC_DEFINE(DISABLE_PAM,, Use PAM)
-			AC_MSG_RESULT(Disabling PAM)
+			AC_MSG_NOTICE(Disabling PAM)
 		fi
 	],
 	[
 		# disable it by default
 		AC_DEFINE(DISABLE_PAM,, Use PAM)
-		AC_MSG_RESULT(Disabling PAM)
+		AC_MSG_NOTICE(Disabling PAM)
 	]
 )
 
@@ -158,14 +163,14 @@ AC_ARG_ENABLE(openpty,
 	[  --disable-openpty       Don't use openpty, use alternative method],
 	[
 		if test "x$enableval" = "xno"; then
-			AC_MSG_RESULT(Not using openpty)
+			AC_MSG_NOTICE(Not using openpty)
 		else
-			AC_MSG_RESULT(Using openpty if available)
+			AC_MSG_NOTICE(Using openpty if available)
 			AC_SEARCH_LIBS(openpty, util, [AC_DEFINE(HAVE_OPENPTY,,Have openpty() function)])
 		fi
 	],
 	[
-		AC_MSG_RESULT(Using openpty if available)
+		AC_MSG_NOTICE(Using openpty if available)
 		AC_SEARCH_LIBS(openpty, util, [AC_DEFINE(HAVE_OPENPTY)])
 	]
 )
@@ -176,13 +181,13 @@ AC_ARG_ENABLE(syslog,
 	[
 		if test "x$enableval" = "xno"; then
 			AC_DEFINE(DISABLE_SYSLOG,, Using syslog)
-			AC_MSG_RESULT(Disabling syslog)
+			AC_MSG_NOTICE(Disabling syslog)
 		else
-			AC_MSG_RESULT(Enabling syslog)
+			AC_MSG_NOTICE(Enabling syslog)
 		fi
 	],
 	[
-		AC_MSG_RESULT(Enabling syslog)
+		AC_MSG_NOTICE(Enabling syslog)
 	]
 )
 
@@ -190,15 +195,15 @@ AC_ARG_ENABLE(shadow,
 	[  --disable-shadow        Don't use shadow passwords (if available)],
 	[
 		if test "x$enableval" = "xno"; then
-			AC_MSG_RESULT(Not using shadow passwords)
+			AC_MSG_NOTICE(Not using shadow passwords)
 		else
 			AC_CHECK_HEADERS([shadow.h])
-			AC_MSG_RESULT(Using shadow passwords if available)
+			AC_MSG_NOTICE(Using shadow passwords if available)
 		fi
 	],
 	[
 		AC_CHECK_HEADERS([shadow.h])
-		AC_MSG_RESULT(Using shadow passwords if available)
+		AC_MSG_NOTICE(Using shadow passwords if available)
 	]
 )
 			
@@ -206,7 +211,7 @@ AC_ARG_ENABLE(shadow,
 # Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS([fcntl.h limits.h netinet/in.h netinet/tcp.h stdlib.h string.h sys/socket.h sys/time.h termios.h unistd.h crypt.h pty.h ioctl.h libutil.h libgen.h inttypes.h stropts.h utmp.h utmpx.h lastlog.h paths.h util.h netdb.h security/pam_appl.h pam/pam_appl.h netinet/in_systm.h])
+AC_CHECK_HEADERS([fcntl.h limits.h netinet/in.h netinet/tcp.h stdlib.h string.h sys/socket.h sys/time.h termios.h unistd.h crypt.h pty.h ioctl.h libutil.h libgen.h inttypes.h stropts.h utmp.h utmpx.h lastlog.h paths.h util.h netdb.h security/pam_appl.h pam/pam_appl.h netinet/in_systm.h, sys/uio.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -339,7 +344,7 @@ AC_CHECK_MEMBERS([struct utmp.ut_host, struct utmp.ut_pid, struct utmp.ut_type,
 #endif
 ])
 
-AC_CHECK_MEMBERS([struct utmpx.ut_host, struct utmpx.ut_syslen, struct utmpx.ut_type, struct utmpx.ut_id, struct utmpx.ut_addr, struct utmpx.ut_addr_v6, struct utmpx.ut_time, struct utmpx.ut_tv, struct sockaddr_storage.ss_family, struct sockadd_storage.__family],,,[
+AC_CHECK_MEMBERS([struct utmpx.ut_host, struct utmpx.ut_syslen, struct utmpx.ut_type, struct utmpx.ut_id, struct utmpx.ut_addr, struct utmpx.ut_addr_v6, struct utmpx.ut_time, struct utmpx.ut_tv],,,[
 #include <sys/types.h>
 #include <sys/socket.h>
 #if HAVE_UTMPX_H
@@ -347,12 +352,36 @@ AC_CHECK_MEMBERS([struct utmpx.ut_host, struct utmpx.ut_syslen, struct utmpx.ut_
 #endif
 ])
 
+AC_CHECK_MEMBERS([struct sockaddr_storage.ss_family],,,[
+#include <sys/types.h>
+#include <sys/socket.h>
+])
+
 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 AC_CHECK_FUNCS(utmpname)
 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 AC_CHECK_FUNCS(setutxent utmpxname)
 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 
+AC_ARG_ENABLE(bundled-libtom,
+	[  --enable-bundled-libtom       Use bundled libtomcrypt/libtommath even if a system version exists],
+	[ 
+		BUNDLED_LIBTOM=1
+		AC_MSG_NOTICE(Forcing bundled libtom*)
+	],
+	[
+		BUNDLED_LIBTOM=0
+		AC_CHECK_LIB(tomcrypt, register_cipher, , BUNDLED_LIBTOM=1)
+		AC_CHECK_LIB(tommath, mp_exptmod, , BUNDLED_LIBTOM=1)
+	]
+)
+
+if test $BUNDLED_LIBTOM = 1 ; then
+	AC_DEFINE(BUNDLED_LIBTOM,,Use bundled libtom) 
+fi
+
+AC_SUBST(BUNDLED_LIBTOM)
+
 dnl Added from OpenSSH 3.6.1p2's configure.ac
 
 dnl allow user to disable some login recording features
@@ -379,7 +408,7 @@ AC_ARG_ENABLE(wtmpx,
 AC_ARG_ENABLE(loginfunc,
 	[  --disable-loginfunc     Disable use of login() etc. [no]],
 	[ no_loginfunc_check=1
-	AC_MSG_RESULT(Not using login() etc) ]
+	AC_MSG_NOTICE(Not using login() etc) ]
 )
 AC_ARG_ENABLE(pututline,
 	[  --disable-pututline     Disable use of pututline() etc. ([uw]tmp) [no]],
@@ -587,7 +616,7 @@ AC_PROG_GCC_TRADITIONAL
 AC_FUNC_MEMCMP
 AC_FUNC_SELECT_ARGTYPES
 AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([dup2 getspnam getusershell memset putenv select socket strdup clearenv strlcpy strlcat daemon basename _getpty getaddrinfo freeaddrinfo getnameinfo])
+AC_CHECK_FUNCS([dup2 getspnam getusershell memset putenv select socket strdup clearenv strlcpy strlcat daemon basename _getpty getaddrinfo freeaddrinfo getnameinfo fork writev])
 
 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 
@@ -596,7 +625,7 @@ if test -z "$no_ptmx_check" ; then
 	if test x"$cross_compiling" = x"no" ; then
 		AC_CHECK_FILE("/dev/ptmx", AC_DEFINE(USE_DEV_PTMX,,Use /dev/ptmx))
 	else
-		AC_MSG_RESULT(Not checking for /dev/ptmx, we're cross-compiling)
+		AC_MSG_NOTICE([Not checking for /dev/ptmx, we're cross-compiling])
 	fi
 fi
 
@@ -604,14 +633,70 @@ if test -z "$no_ptc_check" ; then
 	if test x"$cross_compiling" = x"no" ; then
 		AC_CHECK_FILE("/dev/ptc", AC_DEFINE(HAVE_DEV_PTS_AND_PTC,,Use /dev/ptc & /dev/pts))
 	else
-		AC_MSG_RESULT(Not checking for /dev/ptc & /dev/pts\, we're cross-compiling)
+		AC_MSG_NOTICE([Not checking for /dev/ptc & /dev/pts since we're cross-compiling])
 	fi
 fi
 
 AC_EXEEXT
+
+# XXX there must be a nicer way to do this
+AS_MKDIR_P(libtomcrypt/src/ciphers/aes)
+AS_MKDIR_P(libtomcrypt/src/ciphers/safer)
+AS_MKDIR_P(libtomcrypt/src/ciphers/twofish)
+AS_MKDIR_P(libtomcrypt/src/encauth/ccm)
+AS_MKDIR_P(libtomcrypt/src/encauth/eax)
+AS_MKDIR_P(libtomcrypt/src/encauth/gcm)
+AS_MKDIR_P(libtomcrypt/src/encauth/ocb)
+AS_MKDIR_P(libtomcrypt/src/hashes)
+AS_MKDIR_P(libtomcrypt/src/hashes/chc)
+AS_MKDIR_P(libtomcrypt/src/hashes/helper)
+AS_MKDIR_P(libtomcrypt/src/hashes/sha2)
+AS_MKDIR_P(libtomcrypt/src/hashes/whirl)
+AS_MKDIR_P(libtomcrypt/src/mac/hmac)
+AS_MKDIR_P(libtomcrypt/src/mac/omac)
+AS_MKDIR_P(libtomcrypt/src/mac/pelican)
+AS_MKDIR_P(libtomcrypt/src/mac/pmac)
+AS_MKDIR_P(libtomcrypt/src/mac/f9)
+AS_MKDIR_P(libtomcrypt/src/mac/xcbc)
+AS_MKDIR_P(libtomcrypt/src/math/fp)
+AS_MKDIR_P(libtomcrypt/src/misc/base64)
+AS_MKDIR_P(libtomcrypt/src/misc/crypt)
+AS_MKDIR_P(libtomcrypt/src/misc/mpi)
+AS_MKDIR_P(libtomcrypt/src/misc/pkcs5)
+AS_MKDIR_P(libtomcrypt/src/modes/cbc)
+AS_MKDIR_P(libtomcrypt/src/modes/cfb)
+AS_MKDIR_P(libtomcrypt/src/modes/ctr)
+AS_MKDIR_P(libtomcrypt/src/modes/ecb)
+AS_MKDIR_P(libtomcrypt/src/modes/ofb)
+AS_MKDIR_P(libtomcrypt/src/modes/f8)
+AS_MKDIR_P(libtomcrypt/src/modes/lrw)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/bit)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/choice)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/ia5)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/integer)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/object_identifier)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/octet)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/printable_string)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/sequence)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/short_integer)
+AS_MKDIR_P(libtomcrypt/src/pk/asn1/der/utctime)
+AS_MKDIR_P(libtomcrypt/src/pk/dh)
+AS_MKDIR_P(libtomcrypt/src/pk/dsa)
+AS_MKDIR_P(libtomcrypt/src/pk/ecc)
+AS_MKDIR_P(libtomcrypt/src/pk/pkcs1)
+AS_MKDIR_P(libtomcrypt/src/pk/rsa)
+AS_MKDIR_P(libtomcrypt/src/prng)
 AC_CONFIG_HEADER(config.h)
 AC_OUTPUT(Makefile)
 AC_OUTPUT(libtomcrypt/Makefile)
 AC_OUTPUT(libtommath/Makefile)
-AC_MSG_RESULT()
-AC_MSG_RESULT(Now edit options.h to choose features.)
+
+AC_MSG_NOTICE()
+if test $BUNDLED_LIBTOM = 1 ; then
+AC_MSG_NOTICE(Using bundled libtomcrypt and libtommath)
+else
+AC_MSG_NOTICE(Using system libtomcrypt and libtommath)
+fi
+
+AC_MSG_NOTICE()
+AC_MSG_NOTICE(Now edit options.h to choose features.)

dbclient.1

@@ -10,6 +10,13 @@ dbclient \- lightweight SSH2 client
 .I l\fR:\fIh\fR:\fIr\fR] [\-l
 .IR user ]
 .I host
+.RI [ command ]
+
+.B dbclient
+[
+.I args ]
+.I [user1]@host1[%port1],[user2]@host2[%port2],...
+
 .SH DESCRIPTION
 .B dbclient
 is a SSH 2 client designed to be small enough to be used in small memory
@@ -17,10 +24,9 @@ environments, while still being functional and secure enough for general use.
 .SH OPTIONS
 .TP
 .B \-p \fIport
-Remote port.
-Connect to port
+Connect to 
 .I port
-on the remote host.
+on the remote host. Alternatively a port can be specified as hostname%port.
 Default is 22.
 .TP
 .B \-i \fIidfile
@@ -29,24 +35,23 @@ Read the identity from file
 .I idfile
 (multiple allowed).
 .TP
-.B \-L \fIlocalport\fR:\fIremotehost\fR:\fIremoteport\fR
+.B \-L [\fIlistenaddress\fR]:\fIlistenport\fR:\fIhost\fR:\fIport\fR
 Local port forwarding.
 Forward the port
-.I localport
-on the local host to port
-.I remoteport
-on the remote host
-.IR remotehost .
+.I listenport
+on the local host through the SSH connection to port
+.I port
+on the host
+.IR host .
 .TP
-.B \-R \fIlocalport\fR:\fIremotehost\fR:\fIremoteport\fR
+.B \-R [\fIlistenaddress\fR]:\fIlistenport\fR:\fIhost\fR:\fIport\fR
 Remote port forwarding.
 Forward the port
-.I remoteport
-on the remote host
-.I remotehost
-to port
-.I localport
-on the local host.
+.I listenport
+on the remote host through the SSH connection to port
+.I port
+on the host
+.IR host .
 .TP
 .B \-l \fIuser
 Username.
@@ -55,20 +60,107 @@ Login as
 on the remote host.
 .TP
 .B \-t
-Allocate a pty.
+Allocate a PTY.
 .TP
 .B \-T
-Don't allocate a pty.
+Don't allocate a PTY.
+.TP
+.B \-N
+Don't request a remote shell or run any commands. Any command arguments are ignored.
+.TP
+.B \-f
+Fork into the background after authentication. A command argument (or -N) is required.
+This is useful when using password authentication.
 .TP
 .B \-g
 Allow non-local hosts to connect to forwarded ports. Applies to -L and -R
 forwarded ports, though remote connections to -R forwarded ports may be limited
 by the ssh server.
+.TP
+.B \-y
+Always accept hostkeys if they are unknown. If a hostkey mismatch occurs the
+connection will abort as normal. If specified a second time no host key checking
+is performed at all, this is usually undesirable.
+.TP
+.B \-A
+Forward agent connections to the remote host. dbclient will use any
+OpenSSH-style agent program if available ($SSH_AUTH_SOCK will be set) for
+public key authentication.  Forwarding is only enabled if -A is specified.
+.TP
+.B \-W \fIwindowsize
+Specify the per-channel receive window buffer size. Increasing this 
+may improve network performance at the expense of memory use. Use -h to see the
+default buffer size.
+.TP
+.B \-K \fItimeout_seconds
+Ensure that traffic is transmitted at a certain interval in seconds. This is
+useful for working around firewalls or routers that drop connections after
+a certain period of inactivity. The trade-off is that a session may be
+closed if there is a temporary lapse of network connectivity. A setting
+if 0 disables keepalives.
+.TP
+.B \-I \fIidle_timeout
+Disconnect the session if no traffic is transmitted or received for \fIidle_timeout\fR seconds.
+.TP
+.B \-J \fIproxy_command
+Use the standard input/output of the program \fIproxy_command\fR rather than using
+a normal TCP connection. A hostname should be still be provided, as this is used for
+comparing saved hostkeys.
+.TP
+.B \-B \fIendhost:endport
+"Netcat-alike" mode, where Dropbear will connect to the given host, then create a
+forwarded connection to \fIendhost\fR. This will then be presented as dbclient's
+standard input/output.
+.TP
+.B \-c \fIcipherlist
+Specify a comma separated list of ciphers to enable. Use \fI-c help\fR to list possibilities.
+.TP
+.B \-m \fIMAClist
+Specify a comma separated list of authentication MACs to enable. Use \fI-m help\fR to list possibilities.
+.TP
+.B \-s 
+The specified command will be requested as a subsystem, used for sftp. Dropbear doesn't implement sftp itself but the OpenSSH sftp client can be used eg \fIsftp -S dbclient user@host\fR
+
+.SH MULTI-HOP
+Dropbear will also allow multiple "hops" to be specified, separated by commas. In
+this case a connection will be made to the first host, then a TCP forwarded 
+connection will be made through that to the second host, and so on. Hosts other than
+the final destination will not see anything other than the encrypted SSH stream. 
+A port for a host can be specified with a hash (eg matt@martello%44 ).
+This syntax can also be used with scp or rsync (specifying dbclient as the 
+ssh/rsh command). A file can be "bounced" through multiple SSH hops, eg
+
+scp -S dbclient matt@martello,root@wrt,canyons:/tmp/dump .
+
+Note that hostnames are resolved by the prior hop (so "canyons" would be resolved by the host "wrt")
+in the example above, the same way as other -L TCP forwarded hosts are. Host keys are 
+checked locally based on the given hostname.
+
+.SH ESCAPE CHARACTERS
+Typing a newline followed by the  key sequence \fI~.\fR (tilde, dot) will terminate a connection.
+The sequence \fI~^Z\fR (tilde, ctrl-z) will background the connection. This behaviour only
+applies when a PTY is used.
+
+.SH ENVIRONMENT
+.TP
+.B DROPBEAR_PASSWORD
+A password to use for remote authentication can be specified in the environment
+variable DROPBEAR_PASSWORD. Care should be taken that the password is not
+exposed to other users on a multi-user system, or stored in accessible files.
+.TP
+.B SSH_ASKPASS
+dbclient can use an external program to request a password from a user.
+SSH_ASKPASS should be set to the path of a program that will return a password
+on standard output. This program will only be used if either DISPLAY is set and
+standard input is not a TTY, or the environment variable SSH_ASKPASS_ALWAYS is
+set.
 .SH AUTHOR
 Matt Johnston (matt@ucc.asn.au).
 .br
+Mihnea Stoenescu wrote initial Dropbear client support
+.br
 Gerrit Pape (pape@smarden.org) wrote this manual page.
 .SH SEE ALSO
 dropbear(8), dropbearkey(8)
 .P
-http://matt.ucc.asn.au/dropbear/dropbear.html
+https://matt.ucc.asn.au/dropbear/dropbear.html

dbmulti.c

@@ -66,7 +66,7 @@ int main(int argc, char ** argv) {
 #endif
 	}
 
-	fprintf(stderr, "Dropbear multi-purpose version %s\n"
+	fprintf(stderr, "Dropbear SSH multi-purpose v%s\n"
 			"Make a symlink pointing at this binary with one of the following names:\n"
 #ifdef DBMULTI_dropbear
 			"'dropbear' - the Dropbear server\n"

dbutil.c

@@ -57,11 +57,11 @@
 #define MAX_FMT 100
 
 static void generic_dropbear_exit(int exitcode, const char* format, 
-		va_list param);
+		va_list param) ATTRIB_NORETURN;
 static void generic_dropbear_log(int priority, const char* format, 
 		va_list param);
 
-void (*_dropbear_exit)(int exitcode, const char* format, va_list param) 
+void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN
 						= generic_dropbear_exit;
 void (*_dropbear_log)(int priority, const char* format, va_list param)
 						= generic_dropbear_log;
@@ -111,7 +111,7 @@ static void generic_dropbear_exit(int exitcode, const char* format,
 }
 
 void fail_assert(const char* expr, const char* file, int line) {
-	dropbear_exit("failed assertion (%s:%d): `%s'", file, line, expr);
+	dropbear_exit("Failed assertion (%s:%d): `%s'", file, line, expr);
 }
 
 static void generic_dropbear_log(int UNUSED(priority), const char* format, 
@@ -138,15 +138,39 @@ void dropbear_log(int priority, const char* format, ...) {
 
 #ifdef DEBUG_TRACE
 void dropbear_trace(const char* format, ...) {
-
 	va_list param;
+	struct timeval tv;
 
 	if (!debug_trace) {
 		return;
 	}
 
+	gettimeofday(&tv, NULL);
+
 	va_start(param, format);
-	fprintf(stderr, "TRACE: ");
+	fprintf(stderr, "TRACE  (%d) %d.%d: ", getpid(), tv.tv_sec, tv.tv_usec);
+	vfprintf(stderr, format, param);
+	fprintf(stderr, "\n");
+	va_end(param);
+}
+
+void dropbear_trace2(const char* format, ...) {
+	static int trace_env = -1;
+	va_list param;
+	struct timeval tv;
+
+	if (trace_env == -1) {
+		trace_env = getenv("DROPBEAR_TRACE2") ? 1 : 0;
+	}
+
+	if (!(debug_trace && trace_env)) {
+		return;
+	}
+
+	gettimeofday(&tv, NULL);
+
+	va_start(param, format);
+	fprintf(stderr, "TRACE2 (%d) %d.%d: ", getpid(), tv.tv_sec, tv.tv_usec);
 	vfprintf(stderr, format, param);
 	fprintf(stderr, "\n");
 	va_end(param);
@@ -161,10 +185,12 @@ static void set_sock_priority(int sock) {
 	val = 1;
 	setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&val, sizeof(val));
 
-	/* set the TOS bit. note that this will fail for ipv6, I can't find any
-	 * equivalent. */
+	/* set the TOS bit for either ipv4 or ipv6 */
 #ifdef IPTOS_LOWDELAY
 	val = IPTOS_LOWDELAY;
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
+	setsockopt(sock, IPPROTO_IPV6, IPV6_TCLASS, (void*)&val, sizeof(val));
+#endif
 	setsockopt(sock, IPPROTO_IP, IP_TOS, (void*)&val, sizeof(val));
 #endif
 
@@ -199,10 +225,10 @@ int dropbear_listen(const char* address, const char* port,
 	hints.ai_family = AF_UNSPEC; /* TODO: let them flag v4 only etc */
 	hints.ai_socktype = SOCK_STREAM;
 
-	// for calling getaddrinfo:
-	// address == NULL and !AI_PASSIVE: local loopback
-	// address == NULL and AI_PASSIVE: all interfaces
-	// address != NULL: whatever the address says
+	/* for calling getaddrinfo:
+	 address == NULL and !AI_PASSIVE: local loopback
+	 address == NULL and AI_PASSIVE: all interfaces
+	 address != NULL: whatever the address says */
 	if (!address) {
 		TRACE(("dropbear_listen: local loopback"))
 	} else {
@@ -254,6 +280,16 @@ int dropbear_listen(const char* address, const char* port,
 		linger.l_linger = 5;
 		setsockopt(sock, SOL_SOCKET, SO_LINGER, (void*)&linger, sizeof(linger));
 
+#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
+		if (res->ai_family == AF_INET6) {
+			int on = 1;
+			if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, 
+						&on, sizeof(on)) == -1) {
+				dropbear_log(LOG_WARNING, "Couldn't set IPV6_V6ONLY");
+			}
+		}
+#endif
+
 		set_sock_priority(sock);
 
 		if (bind(sock, res->ai_addr, res->ai_addrlen) < 0) {
@@ -286,15 +322,38 @@ int dropbear_listen(const char* address, const char* port,
 			len = 20 + strlen(strerror(err));
 			*errstring = (char*)m_malloc(len);
 			snprintf(*errstring, len, "Error listening: %s", strerror(err));
-			TRACE(("leave dropbear_listen: failure, %s", strerror(err)))
-			return -1;
 		}
+		TRACE(("leave dropbear_listen: failure, %s", strerror(err)))
+		return -1;
 	}
 
 	TRACE(("leave dropbear_listen: success, %d socks bound", nsock))
 	return nsock;
 }
 
+/* Connect to a given unix socket. The socket is blocking */
+#ifdef ENABLE_CONNECT_UNIX
+int connect_unix(const char* path) {
+	struct sockaddr_un addr;
+	int fd = -1;
+
+	memset((void*)&addr, 0x0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strlcpy(addr.sun_path, path, sizeof(addr.sun_path));
+	fd = socket(PF_UNIX, SOCK_STREAM, 0);
+	if (fd < 0) {
+		TRACE(("Failed to open unix socket"))
+		return -1;
+	}
+	if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+		TRACE(("Failed to connect to '%s' socket", path))
+		m_close(fd);
+		return -1;
+	}
+	return fd;
+}
+#endif
+
 /* Connect via TCP to a host. Connection will try ipv4 or ipv6, will
  * return immediately if nonblocking is set. On failure, if errstring
  * wasn't null, it will be a newly malloced error message */
@@ -321,9 +380,10 @@ int connect_remote(const char* remotehost, const char* remoteport,
 	if (err) {
 		if (errstring != NULL && *errstring == NULL) {
 			int len;
-			len = 20 + strlen(gai_strerror(err));
+			len = 100 + strlen(gai_strerror(err));
 			*errstring = (char*)m_malloc(len);
-			snprintf(*errstring, len, "Error resolving: %s", gai_strerror(err));
+			snprintf(*errstring, len, "Error resolving '%s' port '%s'. %s", 
+					remotehost, remoteport, gai_strerror(err));
 		}
 		TRACE(("Error resolving: %s", gai_strerror(err)))
 		return -1;
@@ -340,15 +400,7 @@ int connect_remote(const char* remotehost, const char* remoteport,
 		}
 
 		if (nonblocking) {
-			if (fcntl(sock, F_SETFL, O_NONBLOCK) < 0) {
-				close(sock);
-				sock = -1;
-				if (errstring != NULL && *errstring == NULL) {
-					*errstring = m_strdup("Failed non-blocking");
-				}
-				TRACE(("Failed non-blocking: %s", strerror(errno)))
-				continue;
-			}
+			setnonblocking(sock);
 		}
 
 		if (connect(sock, res->ai_addr, res->ai_addrlen) < 0) {
@@ -389,65 +441,189 @@ int connect_remote(const char* remotehost, const char* remoteport,
 	return sock;
 }
 
-/* Return a string representation of the socket address passed. The return
- * value is allocated with malloc() */
-unsigned char * getaddrstring(struct sockaddr_storage* addr, int withport) {
+/* Sets up a pipe for a, returning three non-blocking file descriptors
+ * and the pid. exec_fn is the function that will actually execute the child process,
+ * it will be run after the child has fork()ed, and is passed exec_data.
+ * If ret_errfd == NULL then stderr will not be captured.
+ * ret_pid can be passed as  NULL to discard the pid. */
+int spawn_command(void(*exec_fn)(void *user_data), void *exec_data,
+		int *ret_writefd, int *ret_readfd, int *ret_errfd, pid_t *ret_pid) {
+	int infds[2];
+	int outfds[2];
+	int errfds[2];
+	pid_t pid;
 
-	char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
-	char *retstring = NULL;
-	int ret;
-	unsigned int len;
+	const int FDIN = 0;
+	const int FDOUT = 1;
 
-	len = sizeof(struct sockaddr_storage);
-	/* Some platforms such as Solaris 8 require that len is the length
-	 * of the specific structure. */
-	if (addr->ss_family == AF_INET) {
-		len = sizeof(struct sockaddr_in);
+	/* redirect stdin/stdout/stderr */
+	if (pipe(infds) != 0) {
+		return DROPBEAR_FAILURE;
 	}
-#ifdef AF_INET6
-	if (addr->ss_family == AF_INET6) {
-		len = sizeof(struct sockaddr_in6);
+	if (pipe(outfds) != 0) {
+		return DROPBEAR_FAILURE;
 	}
+	if (ret_errfd && pipe(errfds) != 0) {
+		return DROPBEAR_FAILURE;
+	}
+
+#ifdef USE_VFORK
+	pid = vfork();
+#else
+	pid = fork();
 #endif
 
-	ret = getnameinfo((struct sockaddr*)addr, len, hbuf, sizeof(hbuf), 
-			sbuf, sizeof(sbuf), NI_NUMERICSERV | NI_NUMERICHOST);
-
-	if (ret != 0) {
-		/* This is a fairly bad failure - it'll fallback to IP if it
-		 * just can't resolve */
-		dropbear_exit("failed lookup (%d, %d)", ret, errno);
+	if (pid < 0) {
+		return DROPBEAR_FAILURE;
 	}
 
-	if (withport) {
-		len = strlen(hbuf) + 2 + strlen(sbuf);
-		retstring = (char*)m_malloc(len);
-		snprintf(retstring, len, "%s:%s", hbuf, sbuf);
+	if (!pid) {
+		/* child */
+
+		TRACE(("back to normal sigchld"))
+		/* Revert to normal sigchld handling */
+		if (signal(SIGCHLD, SIG_DFL) == SIG_ERR) {
+			dropbear_exit("signal() error");
+		}
+
+		/* redirect stdin/stdout */
+
+		if ((dup2(infds[FDIN], STDIN_FILENO) < 0) ||
+			(dup2(outfds[FDOUT], STDOUT_FILENO) < 0) ||
+			(ret_errfd && dup2(errfds[FDOUT], STDERR_FILENO) < 0)) {
+			TRACE(("leave noptycommand: error redirecting FDs"))
+			dropbear_exit("Child dup2() failure");
+		}
+
+		close(infds[FDOUT]);
+		close(infds[FDIN]);
+		close(outfds[FDIN]);
+		close(outfds[FDOUT]);
+		if (ret_errfd)
+		{
+			close(errfds[FDIN]);
+			close(errfds[FDOUT]);
+		}
+
+		exec_fn(exec_data);
+		/* not reached */
+		return DROPBEAR_FAILURE;
 	} else {
-		retstring = m_strdup(hbuf);
+		/* parent */
+		close(infds[FDIN]);
+		close(outfds[FDOUT]);
+
+		setnonblocking(outfds[FDIN]);
+		setnonblocking(infds[FDOUT]);
+
+		if (ret_errfd) {
+			close(errfds[FDOUT]);
+			setnonblocking(errfds[FDIN]);
+		}
+
+		if (ret_pid) {
+			*ret_pid = pid;
+		}
+
+		*ret_writefd = infds[FDOUT];
+		*ret_readfd = outfds[FDIN];
+		if (ret_errfd) {
+			*ret_errfd = errfds[FDIN];
+		}
+		return DROPBEAR_SUCCESS;
 	}
-
-	return retstring;
-
 }
 
-/* Get the hostname corresponding to the address addr. On failure, the IP
- * address is returned. The return value is allocated with strdup() */
-char* getaddrhostname(struct sockaddr_storage * addr) {
+/* Runs a command with "sh -c". Will close FDs (except stdin/stdout/stderr) and
+ * re-enabled SIGPIPE. If cmd is NULL, will run a login shell.
+ */
+void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell) {
+	char * argv[4];
+	char * baseshell = NULL;
+	unsigned int i;
 
-	char hbuf[NI_MAXHOST];
-	char sbuf[NI_MAXSERV];
-	int ret;
+	baseshell = basename(usershell);
+
+	if (cmd != NULL) {
+		argv[0] = baseshell;
+	} else {
+		/* a login shell should be "-bash" for "/bin/bash" etc */
+		int len = strlen(baseshell) + 2; /* 2 for "-" */
+		argv[0] = (char*)m_malloc(len);
+		snprintf(argv[0], len, "-%s", baseshell);
+	}
+
+	if (cmd != NULL) {
+		argv[1] = "-c";
+		argv[2] = (char*)cmd;
+		argv[3] = NULL;
+	} else {
+		/* construct a shell of the form "-bash" etc */
+		argv[1] = NULL;
+	}
+
+	/* Re-enable SIGPIPE for the executed process */
+	if (signal(SIGPIPE, SIG_DFL) == SIG_ERR) {
+		dropbear_exit("signal() error");
+	}
+
+	/* close file descriptors except stdin/stdout/stderr
+	 * Need to be sure FDs are closed here to avoid reading files as root */
+	for (i = 3; i <= maxfd; i++) {
+		m_close(i);
+	}
+
+	execv(usershell, argv);
+}
+
+void get_socket_address(int fd, char **local_host, char **local_port,
+						char **remote_host, char **remote_port, int host_lookup)
+{
+	struct sockaddr_storage addr;
+	socklen_t addrlen;
+	
+	if (local_host || local_port) {
+		addrlen = sizeof(addr);
+		if (getsockname(fd, (struct sockaddr*)&addr, &addrlen) < 0) {
+			dropbear_exit("Failed socket address: %s", strerror(errno));
+		}
+		getaddrstring(&addr, local_host, local_port, host_lookup);		
+	}
+	if (remote_host || remote_port) {
+		addrlen = sizeof(addr);
+		if (getpeername(fd, (struct sockaddr*)&addr, &addrlen) < 0) {
+			dropbear_exit("Failed socket address: %s", strerror(errno));
+		}
+		getaddrstring(&addr, remote_host, remote_port, host_lookup);		
+	}
+}
+
+/* Return a string representation of the socket address passed. The return
+ * value is allocated with malloc() */
+void getaddrstring(struct sockaddr_storage* addr, 
+			char **ret_host, char **ret_port,
+			int host_lookup) {
+
+	char host[NI_MAXHOST+1], serv[NI_MAXSERV+1];
 	unsigned int len;
-#ifdef DO_HOST_LOOKUP
-	const int flags = NI_NUMERICSERV;
-#else
-	const int flags = NI_NUMERICHOST | NI_NUMERICSERV;
+	int ret;
+	
+	int flags = NI_NUMERICSERV | NI_NUMERICHOST;
+
+#ifndef DO_HOST_LOOKUP
+	host_lookup = 0;
 #endif
+	
+	if (host_lookup) {
+		flags = NI_NUMERICSERV;
+	}
 
 	len = sizeof(struct sockaddr_storage);
 	/* Some platforms such as Solaris 8 require that len is the length
-	 * of the specific structure. */
+	 * of the specific structure. Some older linux systems (glibc 2.1.3
+	 * such as debian potato) have sockaddr_storage.__ss_family instead
+	 * but we'll ignore them */
+#ifdef HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY
 	if (addr->ss_family == AF_INET) {
 		len = sizeof(struct sockaddr_in);
 	}
@@ -455,20 +631,31 @@ char* getaddrhostname(struct sockaddr_storage * addr) {
 	if (addr->ss_family == AF_INET6) {
 		len = sizeof(struct sockaddr_in6);
 	}
+#endif
 #endif
 
-
-	ret = getnameinfo((struct sockaddr*)addr, len, hbuf, sizeof(hbuf),
-			sbuf, sizeof(sbuf), flags);
+	ret = getnameinfo((struct sockaddr*)addr, len, host, sizeof(host)-1, 
+			serv, sizeof(serv)-1, flags);
 
 	if (ret != 0) {
-		/* On some systems (Darwin does it) we get EINTR from getnameinfo
-		 * somehow. Eew. So we'll just return the IP, since that doesn't seem
-		 * to exhibit that behaviour. */
-		return getaddrstring(addr, 0);
+		if (host_lookup) {
+			/* On some systems (Darwin does it) we get EINTR from getnameinfo
+			 * somehow. Eew. So we'll just return the IP, since that doesn't seem
+			 * to exhibit that behaviour. */
+			getaddrstring(addr, ret_host, ret_port, 0);
+			return;
+		} else {
+			/* if we can't do a numeric lookup, something's gone terribly wrong */
+			dropbear_exit("Failed lookup: %s", gai_strerror(ret));
+		}
 	}
 
-	return m_strdup(hbuf);
+	if (ret_host) {
+		*ret_host = m_strdup(host);
+	}
+	if (ret_port) {
+		*ret_port = m_strdup(serv);
+	}
 }
 
 #ifdef DEBUG_TRACE
@@ -521,26 +708,36 @@ char * stripcontrol(const char * text) {
  * Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */
 int buf_readfile(buffer* buf, const char* filename) {
 
-	int fd;
+	int fd = -1;
 	int len;
 	int maxlen;
+	int ret = DROPBEAR_FAILURE;
 
 	fd = open(filename, O_RDONLY);
 
 	if (fd < 0) {
-		close(fd);
-		return DROPBEAR_FAILURE;
+		goto out;
 	}
 	
 	do {
 		maxlen = buf->size - buf->pos;
-		len = read(fd, buf_getwriteptr(buf, maxlen),
-				maxlen);
+		len = read(fd, buf_getwriteptr(buf, maxlen), maxlen);
+		if (len < 0) {
+			if (errno == EINTR || errno == EAGAIN) {
+				continue;
+			}
+			goto out;
+		}
 		buf_incrwritepos(buf, len);
 	} while (len < maxlen && len > 0);
 
-	close(fd);
-	return DROPBEAR_SUCCESS;
+	ret = DROPBEAR_SUCCESS;
+
+out:
+	if (fd >= 0) {
+		m_close(fd);
+	}
+	return ret;
 }
 
 /* get a line from the file into buffer in the style expected for an
@@ -552,8 +749,6 @@ int buf_getline(buffer * line, FILE * authfile) {
 
 	int c = EOF;
 
-	TRACE(("enter buf_getline"))
-
 	buf_setpos(line, 0);
 	buf_setlen(line, 0);
 
@@ -577,10 +772,8 @@ out:
 
 	/* if we didn't read anything before EOF or error, exit */
 	if (c == EOF && line->pos == 0) {
-		TRACE(("leave buf_getline: failure"))
 		return DROPBEAR_FAILURE;
 	} else {
-		TRACE(("leave buf_getline: success"))
 		buf_setpos(line, 0);
 		return DROPBEAR_SUCCESS;
 	}
@@ -627,12 +820,6 @@ void * m_strdup(const char * str) {
 	return ret;
 }
 
-void __m_free(void* ptr) {
-	if (ptr != NULL) {
-		free(ptr);
-	}
-}
-
 void * m_realloc(void* ptr, size_t size) {
 
 	void *ret;
@@ -657,7 +844,7 @@ void m_burn(void *data, unsigned int len) {
 	if (data == NULL)
 		return;
 	while (len--) {
-		*p++ = 0x66;
+		*p++ = 0x0;
 	}
 }
 
@@ -677,3 +864,23 @@ void setnonblocking(int fd) {
 	}
 	TRACE(("leave setnonblocking"))
 }
+
+void disallow_core() {
+	struct rlimit lim;
+	lim.rlim_cur = lim.rlim_max = 0;
+	setrlimit(RLIMIT_CORE, &lim);
+}
+
+/* Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE, with the result in *val */
+int m_str_to_uint(const char* str, unsigned int *val) {
+	errno = 0;
+	*val = strtoul(str, NULL, 10);
+	/* The c99 spec doesn't actually seem to define EINVAL, but most platforms
+	 * I've looked at mention it in their manpage */
+	if ((*val == 0 && errno == EINVAL)
+		|| (*val == ULONG_MAX && errno == ERANGE)) {
+		return DROPBEAR_FAILURE;
+	} else {
+		return DROPBEAR_SUCCESS;
+	}
+}

dbutil.h

@@ -33,25 +33,48 @@
 void startsyslog();
 #endif
 
-extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param);
+#ifdef __GNUC__
+#define ATTRIB_PRINTF(fmt,args) __attribute__((format(printf, fmt, args))) 
+#define ATTRIB_NORETURN __attribute__((noreturn))
+#define ATTRIB_SENTINEL __attribute__((sentinel))
+#else
+#define ATTRIB_PRINTF(fmt,args)
+#define ATTRIB_NORETURN
+#define ATTRIB_SENTINEL
+#endif
+
+extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
 extern void (*_dropbear_log)(int priority, const char* format, va_list param);
 
-void dropbear_exit(const char* format, ...);
-void dropbear_close(const char* format, ...);
-void dropbear_log(int priority, const char* format, ...);
-void fail_assert(const char* expr, const char* file, int line);
+void dropbear_exit(const char* format, ...) ATTRIB_PRINTF(1,2) ATTRIB_NORETURN;
+
+void dropbear_close(const char* format, ...) ATTRIB_PRINTF(1,2) ;
+void dropbear_log(int priority, const char* format, ...) ATTRIB_PRINTF(2,3) ;
+
+void fail_assert(const char* expr, const char* file, int line) ATTRIB_NORETURN;
+
 #ifdef DEBUG_TRACE
-void dropbear_trace(const char* format, ...);
+void dropbear_trace(const char* format, ...) ATTRIB_PRINTF(1,2);
+void dropbear_trace2(const char* format, ...) ATTRIB_PRINTF(1,2);
 void printhex(const char * label, const unsigned char * buf, int len);
 extern int debug_trace;
 #endif
+
 char * stripcontrol(const char * text);
-unsigned char * getaddrstring(struct sockaddr_storage* addr, int withport);
+void get_socket_address(int fd, char **local_host, char **local_port,
+		char **remote_host, char **remote_port, int host_lookup);
+void getaddrstring(struct sockaddr_storage* addr, 
+		char **ret_host, char **ret_port, int host_lookup);
 int dropbear_listen(const char* address, const char* port,
 		int *socks, unsigned int sockcount, char **errstring, int *maxfd);
+int spawn_command(void(*exec_fn)(void *user_data), void *exec_data,
+		int *writefd, int *readfd, int *errfd, pid_t *pid);
+void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell);
+#ifdef ENABLE_CONNECT_UNIX
+int connect_unix(const char* addr);
+#endif
 int connect_remote(const char* remotehost, const char* remoteport,
 		int nonblocking, char ** errstring);
-char* getaddrhostname(struct sockaddr_storage * addr);
 int buf_readfile(buffer* buf, const char* filename);
 int buf_getline(buffer * line, FILE * authfile);
 
@@ -59,10 +82,11 @@ void m_close(int fd);
 void * m_malloc(size_t size);
 void * m_strdup(const char * str);
 void * m_realloc(void* ptr, size_t size);
-#define m_free(X) __m_free(X); (X) = NULL;
-void __m_free(void* ptr);
+#define m_free(X) free(X); (X) = NULL;
 void m_burn(void* data, unsigned int len);
 void setnonblocking(int fd);
+void disallow_core();
+int m_str_to_uint(const char* str, unsigned int *val);
 
 /* Used to force mp_ints to be initialised */
 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}

debian/README.runit

@@ -31,16 +31,16 @@ run script
 
  # vi /etc/dropbear/run
 
-Finally enable the service by linking dropbear's service directory to
-/var/service/.  The service will be started within five seconds, and
-automatically at boot time.  The sysv init script is disabled; see the
-runsvctrl(8) program for information on how to control services handled by
-runit.  See the svlogd(8) program on how to configure the log service.
+Finally enable the service through runit's update-service(8) program, the
+service will be started within five seconds, and automatically at boot
+time, and the sysv init script will automatically be disabled; see the
+sv(8) program for information on how to control services handled by runit.
+See the svlogd(8) program on how to configure the log service.
 
- # ln -s /etc/dropbear /var/service/
+ # update-service --add /etc/dropbear
 
 Optionally check the status of the service a few seconds later
 
- # runsvstat -l /var/service/dropbear
+ # sv status dropbear
 
- -- Gerrit Pape <pape@smarden.org>, Sun, 16 May 2004 15:52:34 +0000
+ -- Gerrit Pape <pape@smarden.org>, Fri, 02 Mar 2007 20:41:08 +0000

debian/changelog

@@ -1,14 +1,153 @@
-dropbear (0.48-0.1) unstable; urgency=high
+dropbear (2013.58-0.1) unstable; urgency=low
 
   * New upstream release.
-  * SECURITY: Improve handling of denial of service attempts from a single IP.
 
- -- Matt Johnston <matt@ucc.asn.au>  Thu, 8 Mar 2006 19:20:21 +0800
+ -- Matt Johnston <matt@ucc.asn.au>  Thu, 18 Apr 2013 22:54:00 +0800
 
-dropbear (0.47-0.1) unstable; urgency=high
+dropbear (2013.57-0.1) unstable; urgency=low
 
   * New upstream release.
-  * SECURITY: Fix incorrect buffer sizing.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Mon, 15 Apr 2013 22:54:00 +0800
+
+dropbear (2013.56-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Thu, 21 Mar 2013 22:54:00 +0800
+
+dropbear (2012.55-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Wed, 22 Feb 2012 22:54:00 +0800
+
+dropbear (2011.54-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Tues, 8 Nov 2011 22:54:00 +0800
+
+dropbear (0.53.1-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Wed, 2 Mar 2011 22:54:00 +0900
+
+dropbear (0.53-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Thu, 24 Feb 2011 22:54:00 +0900
+
+dropbear (0.52-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Wed, 12 Nov 2008 22:54:00 +0900
+
+dropbear (0.51-0.1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Matt Johnston <matt@ucc.asn.au>  Thu, 27 Mar 2008 19:14:00 +0900
+
+dropbear (0.50-4) unstable; urgency=low
+
+  * debian/dropbear.init: apply patch from Petter Reinholdtsen: add LSB
+    formatted dependency info in init.d script (closes: #466257).
+  * debian/rules: no longer include symlinks for ./supervise/ subdirectories.
+  * debian/dropbear.postinst: upgrade from << 0.50-4: if dropbear is managed
+    by runit, remove service, and re-add using update-service(8).
+  * debian/control: Standards-Version: 3.7.3.0.
+  * debian/rules: target clean: don't ignore errors but check for readable
+    ./Makefile.
+
+ -- Gerrit Pape <pape@smarden.org>  Thu, 06 Mar 2008 19:06:58 +0000
+
+dropbear (0.50-3) unstable; urgency=low
+
+  * debian/dropbear.init: use the update-service(8) program from the runit
+    package instead of directly checking for the symlink in /var/service/.
+  * debian/README.runit: talk about update-service(8) instead of symlinks
+    in /var/service/.
+
+ -- Gerrit Pape <pape@smarden.org>  Fri, 15 Feb 2008 00:32:37 +0000
+
+dropbear (0.50-2) unstable; urgency=low
+
+  * debian/dropbear.README.Debian: no longer talk about entropy from
+    /dev/random, /dev/urandom is now used by default (thx Joey Hess,
+    closes: #441515).
+
+ -- Gerrit Pape <pape@smarden.org>  Mon, 24 Sep 2007 16:49:17 +0000
+
+dropbear (0.50-1) unstable; urgency=low
+
+  * debian/README.runit: minor.
+  * new upstream version.
+  * debian/diff/0001-options.h-use-dev-urandom-instead-of-dev-random-a.diff:
+    remove; fixed upstream.
+
+ -- Gerrit Pape <pape@smarden.org>  Thu, 09 Aug 2007 23:01:01 +0000
+
+dropbear (0.49-2) unstable; urgency=low
+
+  * debian/rules: apply diffs from debian/diff/ with patch -p1 instead of
+    -p0.
+  * debian/diff/0001-options.h-use-dev-urandom-instead-of-dev-random-a.diff:
+    new; options.h: use /dev/urandom instead of /dev/random as
+    DROPBEAR_RANDOM_DEV (closes: #386976).
+  * debian/rules: target clean: remove libtomcrypt/Makefile,
+    libtommath/Makefile.
+
+ -- Gerrit Pape <pape@smarden.org>  Sat, 09 Jun 2007 08:59:59 +0000
+
+dropbear (0.49-1) unstable; urgency=high
+
+  * new upstream release, fixes
+    * CVE-2007-1099: dropbear dbclient insufficient warning on hostkey
+      mismatch (closes: #412899).
+    * dbclient uses static "Password:" prompt instead of using the server's
+      prompt (closes: #394996).
+  * debian/control: Suggests: openssh-client, not ssh (closes: #405686);
+    Standards-Version: 3.7.2.2.
+  * debian/README.Debian: ssh -> openssh-server, openssh-client; remove
+    'Replacing OpenSSH "sshd" with Dropbear' part, this is simply done by not
+    installing the openssh-server package.
+  * debian/README.runit: runsvstat -> sv status.
+
+ -- Gerrit Pape <pape@smarden.org>  Fri,  2 Mar 2007 20:48:18 +0000
+
+dropbear (0.48.1-1) unstable; urgency=medium
+
+  * new upstream point release.
+    * Compile fix for scp
+  * debian/diff/dbclient.1.diff: new: document -R option to dbclient
+    accurately (thx Markus Schaber; closes: #351882).
+  * debian/dropbear.README.Debian: document a workaround for systems with
+    possibly blocking /dev/random device (closes: #355414)..
+
+ -- Gerrit Pape <pape@smarden.org>  Sun, 16 Apr 2006 16:16:40 +0000
+
+dropbear (0.48-1) unstable; urgency=medium
+
+  * New upstream release.
+  * SECURITY: Improve handling of denial of service attempts from a single
+    IP.
+
+  * debian/implicit: update to revision 1.11.
+  * new upstream release updates to scp from OpenSSH 4.3p2 - fixes a
+    security issue where use of system() could cause users to execute
+    arbitrary code through malformed filenames; CVE-2006-0225 (see also
+    #349645); the scp binary is not provided by this package though.
+
+ -- Gerrit Pape <pape@smarden.org>  Fri, 10 Mar 2006 22:00:32 +0000
+
+dropbear (0.47-1) unstable; urgency=high
+
+  * New upstream release.
+  * SECURITY: Fix incorrect buffer sizing; CVE-2005-4178.
 
  -- Matt Johnston <matt@ucc.asn.au>  Thu, 8 Dec 2005 19:20:21 +0800
 

debian/control

@@ -3,12 +3,12 @@ Section: net
 Priority: optional
 Maintainer: Gerrit Pape <pape@smarden.org>
 Build-Depends: libz-dev
-Standards-Version: 3.6.2.1
+Standards-Version: 3.7.3.0
 
 Package: dropbear
 Architecture: any
 Depends: ${shlibs:Depends}
-Suggests: ssh, runit
+Suggests: openssh-client, runit
 Description: lightweight SSH2 server and client
  dropbear is a SSH 2 server and client designed to be small enough to
  be used in small memory environments, while still being functional and

debian/dropbear.README.Debian

@@ -1,41 +1,19 @@
 Dropbear for Debian
 -------------------
 
-This package will attempt to listen on port 22. If the OpenSSH 
-package ("ssh") is installed, the file /etc/default/dropbear 
-will be set up so that the server does not start by default.
+This package will attempt to setup the Dropbear ssh server to listen on
+port 22.  If the OpenSSH server package ("openssh-server") is installed,
+the file /etc/default/dropbear will be set up so that the server does not
+start by default.
 
-You can run Dropbear concurrently with OpenSSH 'sshd' by 
-modifying /etc/default/dropbear so that "NO_START" is set to 
-"0" and changing the port number that Dropbear runs on. Follow 
-the instructions in the file.
+You can run Dropbear concurrently with OpenSSH 'sshd' by modifying
+/etc/default/dropbear so that "NO_START" is set to "0", and changing the
+port number that Dropbear runs on.  Follow the instructions in the file.
 
-This package suggests you install the "ssh" package. This package 
-provides the "ssh" client program, as well as the "/usr/bin/scp" 
-binary you will need to be able to retrieve files from a server 
-running Dropbear via SCP.
-
-Replacing OpenSSH "sshd" with Dropbear
---------------------------------------
-
-You will still want to have the "ssh" package installed, as it 
-provides the "ssh" and "scp" binaries. When you install this 
-package, it checks for existing OpenSSH host keys and if found, 
-converts them to the Dropbear format.
-
-If this appears to have worked, you should be able to change over 
-by following these steps:
-
-1. Stop the OpenSSH server
-   % /etc/init.d/ssh stop
-2. Prevent the OpenSSH server from starting in the future
-   % touch /etc/ssh/sshd_not_to_be_run
-3. Modify the Dropbear defaults file, set NO_START to 0 and 
-   ensure DROPBEAR_PORT is set to 22.
-   % editor /etc/default/dropbear
-4. Restart the Dropbear server.
-   % /etc/init.d/dropbear restart
+This package suggests you install the "openssh-client" package, which
+provides the "ssh" client program, as well as the "/usr/bin/scp" binary
+you will need to be able to retrieve files via SCP from a server running
+Dropbear.
 
 See the Dropbear homepage for more information:
   http://matt.ucc.asn.au/dropbear/dropbear.html
-

debian/dropbear.init

@@ -1,4 +1,11 @@
 #!/bin/sh
+### BEGIN INIT INFO
+# Provides:          dropbear
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+### END INIT INFO
 #
 # Do not configure this file. Edit /etc/default/dropbear instead!
 #
@@ -17,8 +24,8 @@ set -e
 cancel() { echo "$1" >&2; exit 0; };
 test ! -r /etc/default/dropbear || . /etc/default/dropbear
 test -x "$DAEMON" || cancel "$DAEMON does not exist or is not executable."
-test ! -h /var/service/dropbear || \
-  cancel '/var/service/dropbear exists, service is controlled through runit.'
+test ! -x /usr/sbin/update-service || ! update-service --check dropbear ||
+  cancel 'The dropbear service is controlled through runit, use the sv(8) program'
 
 test -z "$DROPBEAR_BANNER" || \
   DROPBEAR_EXTRA_ARGS="$DROPBEAR_EXTRA_ARGS -b $DROPBEAR_BANNER"
@@ -26,6 +33,8 @@ test -n "$DROPBEAR_RSAKEY" || \
   DROPBEAR_RSAKEY="/etc/dropbear/dropbear_rsa_host_key"
 test -n "$DROPBEAR_DSSKEY" || \
   DROPBEAR_DSSKEY="/etc/dropbear/dropbear_dss_host_key"
+test -n "$DROPBEAR_RECEIVE_WINDOW" || \
+  DROPBEAR_RECEIVE_WINDOW="65536"
 
 case "$1" in
   start)
@@ -33,7 +42,7 @@ case "$1" in
 	echo -n "Starting $DESC: "
 	start-stop-daemon --start --quiet --pidfile /var/run/"$NAME".pid \
 	  --exec "$DAEMON" -- -d "$DROPBEAR_DSSKEY" -r "$DROPBEAR_RSAKEY" \
-	    -p "$DROPBEAR_PORT" $DROPBEAR_EXTRA_ARGS
+	    -p "$DROPBEAR_PORT" -W "$DROPBEAR_RECEIVE_WINDOW" $DROPBEAR_EXTRA_ARGS
 	echo "$NAME."
 	;;
   stop)
@@ -48,7 +57,7 @@ case "$1" in
 	sleep 1
 	start-stop-daemon --start --quiet --pidfile /var/run/"$NAME".pid \
 	  --exec "$DAEMON" -- -d "$DROPBEAR_DSSKEY" -r "$DROPBEAR_RSAKEY" \
-	    -p "$DROPBEAR_PORT" $DROPBEAR_EXTRA_ARGS
+	    -p "$DROPBEAR_PORT" -W "$DROPBEAR_RECEIVE_WINDOW" $DROPBEAR_EXTRA_ARGS
 	echo "$NAME."
 	;;
   *)

debian/dropbear.postinst

@@ -54,6 +54,10 @@ DROPBEAR_BANNER=""
 
 # DSS hostkey file (default: /etc/dropbear/dropbear_dss_host_key)
 #DROPBEAR_DSSKEY="/etc/dropbear/dropbear_dss_host_key"
+
+# Receive window size - this is a tradeoff between memory and
+# network performance
+DROPBEAR_RECEIVE_WINDOW=65536
 EOT
 fi
 
@@ -65,3 +69,11 @@ if test -x /etc/init.d/dropbear; then
     /etc/init.d/dropbear restart
   fi
 fi
+
+if test -n "$2" && dpkg --compare-versions "$2" lt '0.50-4' &&
+update-service --check dropbear 2>/dev/null; then
+  update-service --remove /etc/dropbear 2>/dev/null || :
+  sleep 6
+  rm -rf /var/run/dropbear /var/run/dropbear.log
+  update-service --add /etc/dropbear || :
+fi

debian/implicit

@@ -1,4 +1,4 @@
-# $Id: implicit,v 1.10 2004/07/03 15:20:00 pape Exp $
+# $Id: implicit,v 1.11 2005/11/29 21:57:55 pape Exp $
 
 .PHONY: deb-checkdir deb-checkuid
 
@@ -38,6 +38,14 @@ deb-checkuid:
 	@gzip -9 debian/$*/usr/share/doc/$*/changelog*
 %.deb-docs-docs:
 	@for i in `cat debian/$*.docs 2>/dev/null || :`; do \
+	  if test -d $$i; then \
+	    sh -cx "install -d -m0755 debian/$*/usr/share/doc/$*/$${i##*/}" && \
+	    for j in $$i/*; do \
+	      sh -cx "install -m0644 $$j \
+	        debian/$*/usr/share/doc/$*/$${i##*/}/" || exit 1; \
+	    done || exit 1; \
+	    continue; \
+	  fi; \
 	  sh -cx "install -m0644 $$i debian/$*/usr/share/doc/$*/" || exit 1; \
 	done
 	@test ! -r debian/$*.README.Debian || \

debian/rules

@@ -28,7 +28,7 @@ DIR =$(shell pwd)/debian/dropbear
 patch: deb-checkdir patch-stamp
 patch-stamp:
 	for i in `ls -1 debian/diff/*.diff || :`; do \
-	  patch -p0 <$$i || exit 1; \
+	  patch -p1 <$$i || exit 1; \
 	done
 	touch patch-stamp
 
@@ -46,10 +46,11 @@ build-stamp: config.status
 	touch build-stamp
 
 clean: deb-checkdir deb-checkuid
-	-$(MAKE) distclean
+	test ! -r Makefile || $(MAKE) distclean
+	rm -f libtomcrypt/Makefile libtommath/Makefile
 	test ! -e patch-stamp || \
 	  for i in `ls -1r debian/diff/*.diff || :`; do \
-	    patch -p0 -R <$$i; \
+	    patch -p1 -R <$$i; \
 	  done
 	rm -f patch-stamp build-stamp config.log config.status
 	rm -rf '$(DIR)'
@@ -76,8 +77,6 @@ install: deb-checkdir deb-checkuid build-stamp
 	install -d -m0755 '$(DIR)'/etc/dropbear/log
 	install -m0755 debian/service/log '$(DIR)'/etc/dropbear/log/run
 	ln -s /var/log/dropbear '$(DIR)'/etc/dropbear/log/main
-	ln -s /var/run/dropbear '$(DIR)'/etc/dropbear/supervise
-	ln -s /var/run/dropbear.log '$(DIR)'/etc/dropbear/log/supervise
 	# man pages
 	install -d -m0755 '$(DIR)'/usr/share/man/man8
 	for i in dropbear.8 dropbearkey.8; do \

debug.h

@@ -39,13 +39,15 @@
  * Caution: Don't use this in an unfriendly environment (ie unfirewalled),
  * since the printing may not sanitise strings etc. This will add a reasonable
  * amount to your executable size. */
-/*#define DEBUG_TRACE */
+/* #define DEBUG_TRACE */
 
 /* All functions writing to the cleartext payload buffer call
  * CHECKCLEARTOWRITE() before writing. This is only really useful if you're
  * attempting to track down a problem */
-#define CHECKCLEARTOWRITE() assert(ses.writepayload->len == 0 && \
-		ses.writepayload->pos == 0)
+/*#define CHECKCLEARTOWRITE() assert(ses.writepayload->len == 0 && \
+		ses.writepayload->pos == 0)*/
+
+#define CHECKCLEARTOWRITE()
 
 /* Define this, compile with -pg and set GMON_OUT_PREFIX=gmon to get gmon
  * output when Dropbear forks. This will allow it gprof to be used.
@@ -61,10 +63,17 @@
 /* you don't need to touch this block */
 #ifdef DEBUG_TRACE
 #define TRACE(X) dropbear_trace X;
+#define TRACE2(X) dropbear_trace2 X;
 #else /*DEBUG_TRACE*/
 #define TRACE(X)
+#define TRACE2(X)
 #endif /*DEBUG_TRACE*/
 
+/* To debug with GDB it is easier to run with no forking of child processes.
+   You will need to pass "-F" as well. */
+/* #define DEBUG_NOFORK */
+
+
 /* For testing as non-root on shadowed systems, include the crypt of a password
  * here. You can then log in as any user with this password. Ensure that you
  * make your own password, and are careful about using this. This will also

dropbear.8

@@ -7,7 +7,7 @@ dropbear \- lightweight SSH2 server
 .I banner\fR] [\-d
 .I dsskey\fR] [\-r
 .I rsakey\fR] [\-p
-.IR port ]
+.IR [address:]port ]
 .SH DESCRIPTION
 .B dropbear
 is a SSH 2 server designed to be small enough to be used in small memory
@@ -24,7 +24,10 @@ before user login (default: none).
 dsskeyfile.
 Use the contents of the file
 .I dsskey
-for the dss host key (default: /etc/dropbear/dropbear_dss_host_key).
+for the DSS host key (default: /etc/dropbear/dropbear_dss_host_key). 
+Note that 
+some SSH implementations
+use the term "DSA" rather than "DSS", they mean the same thing.
 This file is generated with
 .BR dropbearkey (8).
 .TP
@@ -60,9 +63,13 @@ Disable local port forwarding.
 .B \-k
 Disable remote port forwarding.
 .TP
-.B \-p \fIport
-Listen on specified tcp port
-.IR port ;
+.B \-p \fI[address:]port
+Listen on specified 
+.I address
+and TCP
+.I port.
+If just a port is given listen
+on all addresses.
 up to 10 can be specified (default 22 if none specified).
 .TP
 .B \-i
@@ -72,8 +79,109 @@ Use this option to run
 under TCP/IP servers like inetd, tcpsvd, or tcpserver.
 In program mode the \-F option is implied, and \-p options are ignored.
 .TP
+.B \-P \fIpidfile
+Specify a pidfile to create when running as a daemon. If not specified, the 
+default is /var/run/dropbear.pid
+.TP
 .B \-a
 Allow remote hosts to connect to forwarded ports.
+.TP
+.B \-W \fIwindowsize
+Specify the per-channel receive window buffer size. Increasing this 
+may improve network performance at the expense of memory use. Use -h to see the
+default buffer size.
+.TP
+.B \-K \fItimeout_seconds
+Ensure that traffic is transmitted at a certain interval in seconds. This is
+useful for working around firewalls or routers that drop connections after
+a certain period of inactivity. The trade-off is that a session may be
+closed if there is a temporary lapse of network connectivity. A setting
+if 0 disables keepalives.
+.TP
+.B \-I \fIidle_timeout
+Disconnect the session if no traffic is transmitted or received for \fIidle_timeout\fR seconds.
+.SH FILES
+
+.TP
+Authorized Keys
+
+~/.ssh/authorized_keys can be set up to allow remote login with a RSA or DSS
+key. Each line is of the form
+.TP
+[restrictions] ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIgAsp... [comment]
+
+and can be extracted from a Dropbear private host key with "dropbearkey -y". This is the same format as used by OpenSSH, though the restrictions are a subset (keys with unknown restrictions are ignored).
+Restrictions are comma separated, with double quotes around spaces in arguments.
+Available restrictions are:
+
+.TP
+.B no-port-forwarding
+Don't allow port forwarding for this connection
+
+.TP
+.B no-agent-forwarding
+Don't allow agent forwarding for this connection
+
+.TP
+.B no-X11-forwarding
+Don't allow X11 forwarding for this connection
+
+.TP
+.B no-pty
+Disable PTY allocation. Note that a user can still obtain most of the
+same functionality with other means even if no-pty is set.
+
+.TP
+.B command="\fIforced_command\fR"
+Disregard the command provided by the user and always run \fIforced_command\fR.
+
+The authorized_keys file and its containing ~/.ssh directory must only be
+writable by the user, otherwise Dropbear will not allow a login using public
+key authentication.
+
+.TP
+Host Key Files
+
+Host key files are read at startup from a standard location, by default
+/etc/dropbear/dropbear_dss_host_key and /etc/dropbear/dropbear_rsa_host_key
+or specified on the commandline with -d or -r. These are of the form generated
+by dropbearkey.
+
+.TP
+Message Of The Day
+
+By default the file /etc/motd will be printed for any login shell (unless 
+disabled at compile-time). This can also be disabled per-user
+by creating a file ~/.hushlogin .
+
+.SH ENVIRONMENT VARIABLES
+Dropbear sets the standard variables USER, LOGNAME, HOME, SHELL, PATH, and TERM.
+
+The variables below are set for sessions as appropriate. 
+
+.TP
+.B SSH_TTY
+This is set to the allocated TTY if a PTY was used.
+
+.TP
+.B SSH_CONNECTION
+Contains "<remote_ip> <remote_port> <local_ip> <local_port>".
+
+.TP
+.B DISPLAY
+Set X11 forwarding is used.
+
+.TP
+.B SSH_ORIGINAL_COMMAND
+If a 'command=' authorized_keys option was used, the original command is specified
+in this variable. If a shell was requested this is set to an empty value.
+
+.TP
+.B SSH_AUTH_SOCK
+Set to a forwarded ssh-agent connection.
+
+
+
 .SH AUTHOR
 Matt Johnston (matt@ucc.asn.au).
 .br
@@ -81,4 +189,4 @@ Gerrit Pape (pape@smarden.org) wrote this manual page.
 .SH SEE ALSO
 dropbearkey(8), dbclient(1)
 .P
-http://matt.ucc.asn.au/dropbear/dropbear.html
+https://matt.ucc.asn.au/dropbear/dropbear.html

dropbearkey.8

@@ -11,13 +11,16 @@ dropbearkey \- create private keys for the use with dropbear(8)
 .IR bits ]
 .SH DESCRIPTION
 .B dropbearkey
-generates a type
-.I rsa
+generates a
+.I RSA
 or
-.I dss
-SSH private key, and saves it to a file for the use with the
+.I DSS
+format SSH private key, and saves it to a file for the use with the
 .BR dropbear (8)
 SSH 2 server.
+Note that 
+some SSH implementations
+use the term "DSA" rather than "DSS", they mean the same thing.
 .SH OPTIONS
 .TP
 .B \-t \fItype
@@ -44,4 +47,4 @@ Gerrit Pape (pape@smarden.org) wrote this manual page.
 .SH SEE ALSO
 dropbear(8), dbclient(1)
 .P
-http://matt.ucc.asn.au/dropbear/dropbear.html
+https://matt.ucc.asn.au/dropbear/dropbear.html

dropbearkey.c

@@ -23,7 +23,7 @@
  * SOFTWARE. */
 
 /* The format of the keyfiles is basically a raw dump of the buffer. Data types
- * are specified in the transport draft - string is a 32-bit len then the
+ * are specified in the transport rfc 4253 - string is a 32-bit len then the
  * non-null-terminated string, mp_int is a 32-bit len then the bignum data.
  * The actual functions are buf_put_rsa_priv_key() and buf_put_dss_priv_key()
 
@@ -65,7 +65,6 @@ static void justprintpub(const char* filename);
 static void printhelp(char * progname) {
 
 	fprintf(stderr, "Usage: %s -t <type> -f <filename> [-s bits]\n"
-					"Options are:\n"
 					"-t type	Type of key to generate. One of:\n"
 #ifdef DROPBEAR_RSA
 					"		rsa\n"
@@ -75,6 +74,7 @@ static void printhelp(char * progname) {
 #endif
 					"-f filename	Use filename for the secret key\n"
 					"-s bits	Key size in bits, should be a multiple of 8 (optional)\n"
+					"           (DSS has a fixed size of 1024 bits)\n"
 					"-y		Just print the publickey and fingerprint for the\n		private key in <filename>.\n"
 #ifdef DEBUG_TRACE
 					"-v		verbose\n"
@@ -187,8 +187,11 @@ int main(int argc, char ** argv) {
 			fprintf(stderr, "Bits must be an integer\n");
 			exit(EXIT_FAILURE);
 		}
-	
-		if (bits < 512 || bits > 4096 || (bits % 8 != 0)) {
+		
+		if (keytype == DROPBEAR_SIGNKEY_DSS && bits != 1024) {
+			fprintf(stderr, "DSS keys have a fixed size of 1024 bits\n");
+			exit(EXIT_FAILURE);			
+		} else if (bits < 512 || bits > 4096 || (bits % 8 != 0)) {
 			fprintf(stderr, "Bits must satisfy 512 <= bits <= 4096, and be a"
 					" multiple of 8\n");
 			exit(EXIT_FAILURE);
@@ -283,8 +286,10 @@ out:
 	buf_burn(buf);
 	buf_free(buf);
 	buf = NULL;
-	sign_key_free(key);
-	key = NULL;
+	if (key) {
+		sign_key_free(key);
+		key = NULL;
+	}
 	exit(err);
 }
 
@@ -297,6 +302,9 @@ static void printpubkey(sign_key * key, int keytype) {
 	const char * typestring = NULL;
 	char *fp = NULL;
 	int len;
+	struct passwd * pw = NULL;
+	char * username = NULL;
+	char hostname[100];
 
 	buf = buf_new(MAX_PUBKEY_SIZE);
 	buf_put_pub_key(buf, key, keytype);
@@ -315,8 +323,18 @@ static void printpubkey(sign_key * key, int keytype) {
 
 	fp = sign_key_fingerprint(buf_getptr(buf, len), len);
 
-	printf("Public key portion is:\n%s %s\nFingerprint: %s\n",
-			typestring, base64key, fp);
+	/* a user@host comment is informative */
+	username = "";
+	pw = getpwuid(getuid());
+	if (pw) {
+		username = pw->pw_name;
+	}
+
+	gethostname(hostname, sizeof(hostname));
+	hostname[sizeof(hostname)-1] = '\0';
+
+	printf("Public key portion is:\n%s %s %s@%s\nFingerprint: %s\n",
+			typestring, base64key, username, hostname, fp);
 
 	m_free(fp);
 	buf_free(buf);

dss.c

@@ -43,7 +43,7 @@
  * The key will have the same format as buf_put_dss_key.
  * These should be freed with dss_key_free.
  * Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */
-int buf_get_dss_pub_key(buffer* buf, dss_key *key) {
+int buf_get_dss_pub_key(buffer* buf, dropbear_dss_key *key) {
 
 	TRACE(("enter buf_get_dss_pub_key"))
 	dropbear_assert(key != NULL);
@@ -76,7 +76,7 @@ int buf_get_dss_pub_key(buffer* buf, dss_key *key) {
 /* Same as buf_get_dss_pub_key, but reads a private "x" key at the end.
  * Loads a private dss key from a buffer
  * Returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */
-int buf_get_dss_priv_key(buffer* buf, dss_key *key) {
+int buf_get_dss_priv_key(buffer* buf, dropbear_dss_key *key) {
 
 	int ret = DROPBEAR_FAILURE;
 
@@ -90,17 +90,20 @@ int buf_get_dss_priv_key(buffer* buf, dss_key *key) {
 	key->x = m_malloc(sizeof(mp_int));
 	m_mp_init(key->x);
 	ret = buf_getmpint(buf, key->x);
+	if (ret == DROPBEAR_FAILURE) {
+		m_free(key->x);
+	}
 
 	return ret;
 }
 	
 
 /* Clear and free the memory used by a public or private key */
-void dss_key_free(dss_key *key) {
+void dss_key_free(dropbear_dss_key *key) {
 
-	TRACE(("enter dsa_key_free"))
+	TRACE2(("enter dsa_key_free"))
 	if (key == NULL) {
-		TRACE(("enter dsa_key_free: key == NULL"))
+		TRACE2(("enter dsa_key_free: key == NULL"))
 		return;
 	}
 	if (key->p) {
@@ -124,7 +127,7 @@ void dss_key_free(dss_key *key) {
 		m_free(key->x);
 	}
 	m_free(key);
-	TRACE(("leave dsa_key_free"))
+	TRACE2(("leave dsa_key_free"))
 }
 
 /* put the dss public key into the buffer in the required format:
@@ -135,7 +138,7 @@ void dss_key_free(dss_key *key) {
  * mpint	g
  * mpint	y
  */
-void buf_put_dss_pub_key(buffer* buf, dss_key *key) {
+void buf_put_dss_pub_key(buffer* buf, dropbear_dss_key *key) {
 
 	dropbear_assert(key != NULL);
 	buf_putstring(buf, SSH_SIGNKEY_DSS, SSH_SIGNKEY_DSS_LEN);
@@ -147,7 +150,7 @@ void buf_put_dss_pub_key(buffer* buf, dss_key *key) {
 }
 
 /* Same as buf_put_dss_pub_key, but with the private "x" key appended */
-void buf_put_dss_priv_key(buffer* buf, dss_key *key) {
+void buf_put_dss_priv_key(buffer* buf, dropbear_dss_key *key) {
 
 	dropbear_assert(key != NULL);
 	buf_put_dss_pub_key(buf, key);
@@ -158,7 +161,7 @@ void buf_put_dss_priv_key(buffer* buf, dss_key *key) {
 #ifdef DROPBEAR_SIGNKEY_VERIFY
 /* Verify a DSS signature (in buf) made on data by the key given. 
  * returns DROPBEAR_SUCCESS or DROPBEAR_FAILURE */
-int buf_dss_verify(buffer* buf, dss_key *key, const unsigned char* data,
+int buf_dss_verify(buffer* buf, dropbear_dss_key *key, const unsigned char* data,
 		unsigned int len) {
 
 	unsigned char msghash[SHA1_HASH_SIZE];
@@ -255,52 +258,14 @@ out:
 }
 #endif /* DROPBEAR_SIGNKEY_VERIFY */
 
-#ifdef DSS_PROTOK	
-/* convert an unsigned mp into an array of bytes, malloced.
- * This array must be freed after use, len contains the length of the array,
- * if len != NULL */
-static unsigned char* mptobytes(mp_int *mp, int *len) {
-	
-	unsigned char* ret;
-	int size;
-
-	size = mp_unsigned_bin_size(mp);
-	ret = m_malloc(size);
-	if (mp_to_unsigned_bin(mp, ret) != MP_OKAY) {
-		dropbear_exit("mem alloc error");
-	}
-	if (len != NULL) {
-		*len = size;
-	}
-	return ret;
-}
-#endif
-
 /* Sign the data presented with key, writing the signature contents
- * to the buffer
- *
- * When DSS_PROTOK is #defined:
- * The alternate k generation method is based on the method used in PuTTY. 
- * In particular to avoid being vulnerable to attacks using flaws in random
- * generation of k, we use the following:
- *
- * proto_k = SHA512 ( SHA512(x) || SHA160(message) )
- * k = proto_k mod q
- *
- * Now we aren't relying on the random number generation to protect the private
- * key x, which is a long term secret */
-void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
+ * to the buffer */
+void buf_put_dss_sign(buffer* buf, dropbear_dss_key *key, const unsigned char* data,
 		unsigned int len) {
 
 	unsigned char msghash[SHA1_HASH_SIZE];
 	unsigned int writelen;
 	unsigned int i;
-#ifdef DSS_PROTOK
-	unsigned char privkeyhash[SHA512_HASH_SIZE];
-	unsigned char *privkeytmp;
-	unsigned char proto_k[SHA512_HASH_SIZE];
-	DEF_MP_INT(dss_protok);
-#endif
 	DEF_MP_INT(dss_k);
 	DEF_MP_INT(dss_m);
 	DEF_MP_INT(dss_temp1);
@@ -319,61 +284,39 @@ void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
 
 	m_mp_init_multi(&dss_k, &dss_temp1, &dss_temp2, &dss_r, &dss_s,
 			&dss_m, NULL);
-#ifdef DSS_PROTOK	
-	/* hash the privkey */
-	privkeytmp = mptobytes(key->x, &i);
-	sha512_init(&hs);
-	sha512_process(&hs, "the quick brown fox jumped over the lazy dog", 44);
-	sha512_process(&hs, privkeytmp, i);
-	sha512_done(&hs, privkeyhash);
-	m_burn(privkeytmp, i);
-	m_free(privkeytmp);
-
-	/* calculate proto_k */
-	sha512_init(&hs);
-	sha512_process(&hs, privkeyhash, SHA512_HASH_SIZE);
-	sha512_process(&hs, msghash, SHA1_HASH_SIZE);
-	sha512_done(&hs, proto_k);
-
-	/* generate k */
-	m_mp_init(&dss_protok);
-	bytes_to_mp(&dss_protok, proto_k, SHA512_HASH_SIZE);
-	mp_mod(&dss_protok, key->q, &dss_k);
-	mp_clear(&dss_protok);
-	m_burn(proto_k, SHA512_HASH_SIZE);
-#else /* DSS_PROTOK not defined*/
+	/* the random number generator's input has included the private key which
+	 * avoids DSS's problem of private key exposure due to low entropy */
 	gen_random_mpint(key->q, &dss_k);
-#endif
 
 	/* now generate the actual signature */
 	bytes_to_mp(&dss_m, msghash, SHA1_HASH_SIZE);
 
 	/* g^k mod p */
 	if (mp_exptmod(key->g, &dss_k, key->p, &dss_temp1) !=  MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 	/* r = (g^k mod p) mod q */
 	if (mp_mod(&dss_temp1, key->q, &dss_r) != MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 
 	/* x*r mod q */
 	if (mp_mulmod(&dss_r, key->x, key->q, &dss_temp1) != MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 	/* (SHA1(M) + xr) mod q) */
 	if (mp_addmod(&dss_m, &dss_temp1, key->q, &dss_temp2) != MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 	
 	/* (k^-1) mod q */
 	if (mp_invmod(&dss_k, key->q, &dss_temp1) != MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 
 	/* s = (k^-1(SHA1(M) + xr)) mod q */
 	if (mp_mulmod(&dss_temp1, &dss_temp2, key->q, &dss_s) != MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 
 	buf_putstring(buf, SSH_SIGNKEY_DSS, SSH_SIGNKEY_DSS_LEN);
@@ -387,7 +330,7 @@ void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
 	}
 	if (mp_to_unsigned_bin(&dss_r, buf_getwriteptr(buf, writelen)) 
 			!= MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 	mp_clear(&dss_r);
 	buf_incrwritepos(buf, writelen);
@@ -400,7 +343,7 @@ void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
 	}
 	if (mp_to_unsigned_bin(&dss_s, buf_getwriteptr(buf, writelen)) 
 			!= MP_OKAY) {
-		dropbear_exit("dss error");
+		dropbear_exit("DSS error");
 	}
 	mp_clear(&dss_s);
 	buf_incrwritepos(buf, writelen);

dss.h

@@ -32,29 +32,28 @@
 
 #define DSS_SIGNATURE_SIZE 4+SSH_SIGNKEY_DSS_LEN+4+2*SHA1_HASH_SIZE
 
-struct DSS_key {
+typedef struct {
 
 	mp_int* p;
 	mp_int* q;
 	mp_int* g;
 	mp_int* y;
+	/* x is the private part */
 	mp_int* x;
 
-};
+} dropbear_dss_key;
 
-typedef struct DSS_key dss_key;
-
-void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
+void buf_put_dss_sign(buffer* buf, dropbear_dss_key *key, const unsigned char* data,
 		unsigned int len);
 #ifdef DROPBEAR_SIGNKEY_VERIFY
-int buf_dss_verify(buffer* buf, dss_key *key, const unsigned char* data,
+int buf_dss_verify(buffer* buf, dropbear_dss_key *key, const unsigned char* data,
 		unsigned int len);
 #endif
-int buf_get_dss_pub_key(buffer* buf, dss_key *key);
-int buf_get_dss_priv_key(buffer* buf, dss_key *key);
-void buf_put_dss_pub_key(buffer* buf, dss_key *key);
-void buf_put_dss_priv_key(buffer* buf, dss_key *key);
-void dss_key_free(dss_key *key);
+int buf_get_dss_pub_key(buffer* buf, dropbear_dss_key *key);
+int buf_get_dss_priv_key(buffer* buf, dropbear_dss_key *key);
+void buf_put_dss_pub_key(buffer* buf, dropbear_dss_key *key);
+void buf_put_dss_priv_key(buffer* buf, dropbear_dss_key *key);
+void dss_key_free(dropbear_dss_key *key);
 
 #endif /* DROPBEAR_DSS */
 

fake-rfc2553.c

@@ -1,7 +1,6 @@
+/* Taken for Dropbear from OpenSSH 5.5p1 */
+
 /*
- *
- * Taken from OpenSSH 3.8.1p1
- * 
  * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
  * Copyright (C) 1999 WIDE Project.  All rights reserved.
  * 
@@ -40,7 +39,11 @@
 
 #include "includes.h"
 
-/* RCSID("$.Id: fake-rfc2553.c,v 1.5 2003/09/22 02:08:23 dtucker Exp $");*/
+#include <stdlib.h>
+#include <string.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
 
 #ifndef HAVE_GETNAMEINFO
 int getnameinfo(const struct sockaddr *sa, size_t salen, char *host, 
@@ -50,6 +53,8 @@ int getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
 	struct hostent *hp;
 	char tmpserv[16];
 
+	if (sa->sa_family != AF_UNSPEC && sa->sa_family != AF_INET)
+		return (EAI_FAMILY);
 	if (serv != NULL) {
 		snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port));
 		if (strlcpy(serv, tmpserv, servlen) >= servlen)
@@ -94,6 +99,8 @@ gai_strerror(int err)
 		return ("memory allocation failure.");
 	case EAI_NONAME:
 		return ("nodename nor servname provided, or not known");
+	case EAI_FAMILY:
+		return ("ai_family not supported");
 	default:
 		return ("unknown/invalid error.");
 	}
@@ -158,6 +165,9 @@ getaddrinfo(const char *hostname, const char *servname,
 	u_long addr;
 
 	port = 0;
+	if (hints && hints->ai_family != AF_UNSPEC &&
+	    hints->ai_family != AF_INET)
+		return (EAI_FAMILY);
 	if (servname != NULL) {
 		char *cp;
 

fake-rfc2553.h

@@ -1,6 +1,6 @@
-/* Taken from OpenSSH 3.8.1p1 */
+/* Taken for Dropbear from OpenSSH 5.5p1 */
 
-/* $.Id: fake-rfc2553.h,v 1.9 2004/03/10 10:06:33 dtucker Exp $ */
+/* $Id: fake-rfc2553.h,v 1.16 2008/07/14 11:37:37 djm Exp $ */
 
 /*
  * Copyright (C) 2000-2003 Damien Miller.  All rights reserved.
@@ -43,6 +43,10 @@
 #define _FAKE_RFC2553_H
 
 #include "includes.h"
+#include <sys/types.h>
+#if defined(HAVE_NETDB_H)
+# include <netdb.h>
+#endif
 
 /*
  * First, socket and INET6 related definitions 
@@ -75,6 +79,7 @@ struct sockaddr_in6 {
 	u_int16_t	sin6_port;
 	u_int32_t	sin6_flowinfo;
 	struct in6_addr	sin6_addr;
+	u_int32_t	sin6_scope_id;
 };
 #endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
 
@@ -115,9 +120,19 @@ struct sockaddr_in6 {
 #endif /* !NI_MAXHOST */
 
 #ifndef EAI_NODATA
-# define EAI_NODATA	1
-# define EAI_MEMORY	2
-# define EAI_NONAME	3
+# define EAI_NODATA	(INT_MAX - 1)
+#endif
+#ifndef EAI_MEMORY
+# define EAI_MEMORY	(INT_MAX - 2)
+#endif
+#ifndef EAI_NONAME
+# define EAI_NONAME	(INT_MAX - 3)
+#endif
+#ifndef EAI_SYSTEM
+# define EAI_SYSTEM	(INT_MAX - 4)
+#endif
+#ifndef EAI_FAMILY
+# define EAI_FAMILY	(INT_MAX - 5)
 #endif
 
 #ifndef HAVE_STRUCT_ADDRINFO
@@ -143,7 +158,7 @@ int getaddrinfo(const char *, const char *,
 #endif /* !HAVE_GETADDRINFO */
 
 #if !defined(HAVE_GAI_STRERROR) && !defined(HAVE_CONST_GAI_STRERROR_PROTO)
-#define gai_strerror(a)		(ssh_gai_strerror(a))
+#define gai_strerror(a)		(_ssh_compat_gai_strerror(a))
 char *gai_strerror(int);
 #endif /* !HAVE_GAI_STRERROR */
 

gendss.c

@@ -37,17 +37,17 @@
 
 #ifdef DROPBEAR_DSS
 
-static void getq(dss_key *key);
-static void getp(dss_key *key, unsigned int size);
-static void getg(dss_key *key);
-static void getx(dss_key *key);
-static void gety(dss_key *key);
+static void getq(dropbear_dss_key *key);
+static void getp(dropbear_dss_key *key, unsigned int size);
+static void getg(dropbear_dss_key *key);
+static void getx(dropbear_dss_key *key);
+static void gety(dropbear_dss_key *key);
 
-dss_key * gen_dss_priv_key(unsigned int size) {
+dropbear_dss_key * gen_dss_priv_key(unsigned int size) {
 
-	dss_key *key;
+	dropbear_dss_key *key;
 
-	key = (dss_key*)m_malloc(sizeof(dss_key));
+	key = m_malloc(sizeof(*key));
 
 	key->p = (mp_int*)m_malloc(sizeof(mp_int));
 	key->q = (mp_int*)m_malloc(sizeof(mp_int));
@@ -68,7 +68,7 @@ dss_key * gen_dss_priv_key(unsigned int size) {
 	
 }
 
-static void getq(dss_key *key) {
+static void getq(dropbear_dss_key *key) {
 
 	char buf[QSIZE];
 
@@ -81,12 +81,12 @@ static void getq(dss_key *key) {
 
 	/* 18 rounds are required according to HAC */
 	if (mp_prime_next_prime(key->q, 18, 0) != MP_OKAY) {
-		fprintf(stderr, "dss key generation failed\n");
+		fprintf(stderr, "DSS key generation failed\n");
 		exit(1);
 	}
 }
 
-static void getp(dss_key *key, unsigned int size) {
+static void getp(dropbear_dss_key *key, unsigned int size) {
 
 	DEF_MP_INT(tempX);
 	DEF_MP_INT(tempC);
@@ -100,7 +100,7 @@ static void getp(dss_key *key, unsigned int size) {
 
 	/* 2*q */
 	if (mp_mul_d(key->q, 2, &temp2q) != MP_OKAY) {
-		fprintf(stderr, "dss key generation failed\n");
+		fprintf(stderr, "DSS key generation failed\n");
 		exit(1);
 	}
 	
@@ -117,25 +117,25 @@ static void getp(dss_key *key, unsigned int size) {
 
 		/* C = X mod 2q */
 		if (mp_mod(&tempX, &temp2q, &tempC) != MP_OKAY) {
-			fprintf(stderr, "dss key generation failed\n");
+			fprintf(stderr, "DSS key generation failed\n");
 			exit(1);
 		}
 
 		/* P = X - (C - 1) = X - C + 1*/
 		if (mp_sub(&tempX, &tempC, &tempP) != MP_OKAY) {
-			fprintf(stderr, "dss key generation failed\n");
+			fprintf(stderr, "DSS key generation failed\n");
 			exit(1);
 		}
 		
 		if (mp_add_d(&tempP, 1, key->p) != MP_OKAY) {
-			fprintf(stderr, "dss key generation failed\n");
+			fprintf(stderr, "DSS key generation failed\n");
 			exit(1);
 		}
 
 		/* now check for prime, 5 rounds is enough according to HAC */
 		/* result == 1  =>  p is prime */
 		if (mp_prime_is_prime(key->p, 5, &result) != MP_OKAY) {
-			fprintf(stderr, "dss key generation failed\n");
+			fprintf(stderr, "DSS key generation failed\n");
 			exit(1);
 		}
 	} while (!result);
@@ -145,7 +145,7 @@ static void getp(dss_key *key, unsigned int size) {
 	m_free(buf);
 }
 
-static void getg(dss_key * key) {
+static void getg(dropbear_dss_key * key) {
 
 	DEF_MP_INT(div);
 	DEF_MP_INT(h);
@@ -155,11 +155,11 @@ static void getg(dss_key * key) {
 
 	/* get div=(p-1)/q */
 	if (mp_sub_d(key->p, 1, &val) != MP_OKAY) {
-		fprintf(stderr, "dss key generation failed\n");
+		fprintf(stderr, "DSS key generation failed\n");
 		exit(1);
 	}
 	if (mp_div(&val, key->q, &div, NULL) != MP_OKAY) {
-		fprintf(stderr, "dss key generation failed\n");
+		fprintf(stderr, "DSS key generation failed\n");
 		exit(1);
 	}
 
@@ -168,12 +168,12 @@ static void getg(dss_key * key) {
 	do {
 		/* now keep going with g=h^div mod p, until g > 1 */
 		if (mp_exptmod(&h, &div, key->p, key->g) != MP_OKAY) {
-			fprintf(stderr, "dss key generation failed\n");
+			fprintf(stderr, "DSS key generation failed\n");
 			exit(1);
 		}
 
 		if (mp_add_d(&h, 1, &h) != MP_OKAY) {
-			fprintf(stderr, "dss key generation failed\n");
+			fprintf(stderr, "DSS key generation failed\n");
 			exit(1);
 		}
 	
@@ -182,15 +182,15 @@ static void getg(dss_key * key) {
 	mp_clear_multi(&div, &h, &val, NULL);
 }
 
-static void getx(dss_key *key) {
+static void getx(dropbear_dss_key *key) {
 
 	gen_random_mpint(key->q, key->x);
 }
 
-static void gety(dss_key *key) {
+static void gety(dropbear_dss_key *key) {
 
 	if (mp_exptmod(key->g, key->x, key->p, key->y) != MP_OKAY) {
-		fprintf(stderr, "dss key generation failed\n");
+		fprintf(stderr, "DSS key generation failed\n");
 		exit(1);
 	}
 }

gendss.h

@@ -29,7 +29,7 @@
 
 #ifdef DROPBEAR_DSS
 
-dss_key * gen_dss_priv_key(unsigned int size);
+dropbear_dss_key * gen_dss_priv_key(unsigned int size);
 
 #endif /* DROPBEAR_DSS */
 

genrsa.c

@@ -37,14 +37,14 @@ static void getrsaprime(mp_int* prime, mp_int *primeminus,
 		mp_int* rsa_e, unsigned int size);
 
 /* mostly taken from libtomcrypt's rsa key generation routine */
-rsa_key * gen_rsa_priv_key(unsigned int size) {
+dropbear_rsa_key * gen_rsa_priv_key(unsigned int size) {
 
-	rsa_key * key;
+	dropbear_rsa_key * key;
 	DEF_MP_INT(pminus);
 	DEF_MP_INT(qminus);
 	DEF_MP_INT(lcm);
 
-	key = (rsa_key*)m_malloc(sizeof(rsa_key));
+	key = m_malloc(sizeof(*key));
 
 	key->e = (mp_int*)m_malloc(sizeof(mp_int));
 	key->n = (mp_int*)m_malloc(sizeof(mp_int));
@@ -58,32 +58,28 @@ rsa_key * gen_rsa_priv_key(unsigned int size) {
 	seedrandom();
 
 	if (mp_set_int(key->e, RSA_E) != MP_OKAY) {
-		fprintf(stderr, "rsa generation failed\n");
+		fprintf(stderr, "RSA generation failed\n");
 		exit(1);
 	}
 
-	/* PuTTY doesn't like it if the modulus isn't a multiple of 8 bits,
-	 * so we just generate them until we get one which is OK */
 	getrsaprime(key->p, &pminus, key->e, size/2);
-	do {
-		getrsaprime(key->q, &qminus, key->e, size/2);
+	getrsaprime(key->q, &qminus, key->e, size/2);
 
-		if (mp_mul(key->p, key->q, key->n) != MP_OKAY) {
-			fprintf(stderr, "rsa generation failed\n");
-			exit(1);
-		}
-	} while (mp_count_bits(key->n) % 8 != 0);
+	if (mp_mul(key->p, key->q, key->n) != MP_OKAY) {
+		fprintf(stderr, "RSA generation failed\n");
+		exit(1);
+	}
 
 	/* lcm(p-1, q-1) */
 	if (mp_lcm(&pminus, &qminus, &lcm) != MP_OKAY) {
-		fprintf(stderr, "rsa generation failed\n");
+		fprintf(stderr, "RSA generation failed\n");
 		exit(1);
 	}
 
 	/* de = 1 mod lcm(p-1,q-1) */
 	/* therefore d = (e^-1) mod lcm(p-1,q-1) */
 	if (mp_invmod(key->e, &lcm, key->d) != MP_OKAY) {
-		fprintf(stderr, "rsa generation failed\n");
+		fprintf(stderr, "RSA generation failed\n");
 		exit(1);
 	}
 
@@ -112,18 +108,18 @@ static void getrsaprime(mp_int* prime, mp_int *primeminus,
 
 		/* find the next integer which is prime, 8 round of miller-rabin */
 		if (mp_prime_next_prime(prime, 8, 0) != MP_OKAY) {
-			fprintf(stderr, "rsa generation failed\n");
+			fprintf(stderr, "RSA generation failed\n");
 			exit(1);
 		}
 
 		/* subtract one to get p-1 */
 		if (mp_sub_d(prime, 1, primeminus) != MP_OKAY) {
-			fprintf(stderr, "rsa generation failed\n");
+			fprintf(stderr, "RSA generation failed\n");
 			exit(1);
 		}
 		/* check relative primality to e */
 		if (mp_gcd(primeminus, rsa_e, &temp_gcd) != MP_OKAY) {
-			fprintf(stderr, "rsa generation failed\n");
+			fprintf(stderr, "RSA generation failed\n");
 			exit(1);
 		}
 	} while (mp_cmp_d(&temp_gcd, 1) != MP_EQ); /* while gcd(p-1, e) != 1 */

genrsa.h

@@ -29,7 +29,7 @@
 
 #ifdef DROPBEAR_RSA
 
-rsa_key * gen_rsa_priv_key(unsigned int size);
+dropbear_rsa_key * gen_rsa_priv_key(unsigned int size);
 
 #endif /* DROPBEAR_RSA */
 

includes.h

@@ -38,6 +38,7 @@
 #include <sys/time.h>
 #include <sys/un.h>
 #include <sys/wait.h>
+#include <sys/resource.h>
 
 #include <stdio.h>
 #include <errno.h>
@@ -55,6 +56,7 @@
 #include <ctype.h>
 #include <stdarg.h>
 #include <dirent.h>
+#include <time.h>
 
 #ifdef HAVE_UTMP_H
 #include <utmp.h>
@@ -72,12 +74,12 @@
 #include <lastlog.h>
 #endif
 
-#include <arpa/inet.h>
-
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
 
+#include <arpa/inet.h>
+
 /* netbsd 1.6 needs this to be included before netinet/ip.h for some
  * undocumented reason */
 #ifdef HAVE_NETINET_IN_SYSTM_H
@@ -118,8 +120,18 @@
 #include <libgen.h>
 #endif
 
+#ifdef HAVE_SYS_UIO_H
+#include <sys/uio.h>
+#endif
+
+#ifdef BUNDLED_LIBTOM
 #include "libtomcrypt/src/headers/tomcrypt.h"
 #include "libtommath/tommath.h"
+#else
+#include <tomcrypt.h>
+#include <tommath.h>
+#endif
+
 
 #include "compat.h"
 #include "fake-rfc2553.h"
@@ -135,13 +147,6 @@ typedef u_int16_t uint16_t;
 #define LOG_AUTHPRIV LOG_AUTH
 #endif
 
-/* glibc 2.1.3 systems have sockaddr_storage.__ss_family rather than
- * sockaddr_storage.ss_family */
-#if !defined(HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) \
-    && defined(HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY)
-#define ss_family __ss_family
-#endif
-
 /* so we can avoid warnings about unused params (ie in signal handlers etc) */
 #ifdef UNUSED 
 #elif defined(__GNUC__) 

kex.h

@@ -37,6 +37,11 @@ void gen_kexdh_vals(mp_int *dh_pub, mp_int *dh_priv);
 void kexdh_comb_key(mp_int *dh_pub_us, mp_int *dh_priv, mp_int *dh_pub_them,
 		sign_key *hostkey);
 
+#ifndef DISABLE_ZLIB
+int is_compress_trans();
+int is_compress_recv();
+#endif
+
 void recv_msg_kexdh_init(); /* server */
 
 void send_msg_kexdh_init(); /* client */
@@ -46,19 +51,22 @@ struct KEXState {
 
 	unsigned sentkexinit : 1; /*set when we've sent/recv kexinit packet */
 	unsigned recvkexinit : 1;
-	unsigned firstfollows : 1; /* true when first_kex_packet_follows is set */
-	unsigned sentnewkeys : 1; /* set once we've send/recv'ed MSG_NEWKEYS*/
-	unsigned recvnewkeys : 1;
+	unsigned them_firstfollows : 1; /* true when first_kex_packet_follows is set */
+	unsigned sentnewkeys : 1; /* set once we've send MSG_NEWKEYS (will be cleared once we have also received */
+	unsigned recvnewkeys : 1; /* set once we've received MSG_NEWKEYS (cleared once we have also sent */
 
 	unsigned donefirstkex : 1; /* Set to 1 after the first kex has completed,
 								  ie the transport layer has been set up */
 
-	long lastkextime; /* time of the last kex */
+	unsigned our_first_follows_matches : 1;
+
+	time_t lastkextime; /* time of the last kex */
 	unsigned int datatrans; /* data transmitted since last kex */
 	unsigned int datarecv; /* data received since last kex */
 
 };
 
+
 #define MAX_KEXHASHBUF 2000
 
 #endif /* _KEX_H_ */

keyimport.c

@@ -361,7 +361,7 @@ struct openssh_key {
 static struct openssh_key *load_openssh_key(const char *filename)
 {
 	struct openssh_key *ret;
-	FILE *fp;
+	FILE *fp = NULL;
 	char buffer[256];
 	char *errmsg = NULL, *p = NULL;
 	int headers_done;
@@ -482,6 +482,9 @@ static struct openssh_key *load_openssh_key(const char *filename)
 		memset(&ret, 0, sizeof(ret));
 		m_free(ret);
 	}
+	if (fp) {
+		fclose(fp);
+	}
 	if (errmsg) {
 		fprintf(stderr, "Error: %s\n", errmsg);
 	}
@@ -698,7 +701,6 @@ static int openssh_write(const char *filename, sign_key *key,
 	int nnumbers = -1, pos, len, seqlen, i;
 	char *header = NULL, *footer = NULL;
 	char zero[1];
-	unsigned char iv[8];
 	int ret = 0;
 	FILE *fp;
 	int keytype = -1;
@@ -926,40 +928,6 @@ static int openssh_write(const char *filename, sign_key *key,
 	if (passphrase) {
 		fprintf(stderr, "Encrypted keys aren't supported currently\n");
 		goto error;
-#if 0
-		/*
-		 * Invent an iv. Then derive encryption key from passphrase
-		 * and iv/salt:
-		 * 
-		 *  - let block A equal MD5(passphrase || iv)
-		 *  - let block B equal MD5(A || passphrase || iv)
-		 *  - block C would be MD5(B || passphrase || iv) and so on
-		 *  - encryption key is the first N bytes of A || B
-		 */
-		struct MD5Context md5c;
-		unsigned char keybuf[32];
-
-		for (i = 0; i < 8; i++) iv[i] = random_byte();
-
-		MD5Init(&md5c);
-		MD5Update(&md5c, (unsigned char *)passphrase, strlen(passphrase));
-		MD5Update(&md5c, iv, 8);
-		MD5Final(keybuf, &md5c);
-
-		MD5Init(&md5c);
-		MD5Update(&md5c, keybuf, 16);
-		MD5Update(&md5c, (unsigned char *)passphrase, strlen(passphrase));
-		MD5Update(&md5c, iv, 8);
-		MD5Final(keybuf+16, &md5c);
-
-		/*
-		 * Now encrypt the key blob.
-		 */
-		des3_encrypt_pubkey_ossh(keybuf, iv, outblob, outlen);
-
-		memset(&md5c, 0, sizeof(md5c));
-		memset(keybuf, 0, sizeof(keybuf));
-#endif
 	}
 
 	/*
@@ -976,12 +944,6 @@ static int openssh_write(const char *filename, sign_key *key,
 		goto error;
 	}
 	fputs(header, fp);
-	if (passphrase) {
-		fprintf(fp, "Proc-Type: 4,ENCRYPTED\nDEK-Info: DES-EDE3-CBC,");
-		for (i = 0; i < 8; i++)
-			fprintf(fp, "%02X", iv[i]);
-		fprintf(fp, "\n\n");
-	}
 	base64_encode_fp(fp, outblob, outlen, 64);
 	fputs(footer, fp);
 	fclose(fp);

libtomcrypt/Doxyfile

@@ -23,7 +23,7 @@ PROJECT_NAME           = LibTomCrypt
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = 1.05
+PROJECT_NUMBER         = 1.16
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put. 
@@ -1028,14 +1028,14 @@ CLASS_DIAGRAMS         = YES
 # inheritance and usage relations if the target is undocumented 
 # or is not a class.
 
-HIDE_UNDOC_RELATIONS   = YES
+HIDE_UNDOC_RELATIONS   = NO
 
 # If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is 
 # available from the path. This tool is part of Graphviz, a graph visualization 
 # toolkit from AT&T and Lucent Bell Labs. The other options in this section 
 # have no effect if this option is set to NO (the default)
 
-HAVE_DOT               = YES
+HAVE_DOT               = NO
 
 # If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen 
 # will generate a graph for each documented class showing the direct and 

libtomcrypt/Makefile.in

@@ -4,7 +4,7 @@
 # Modified by Clay Culver
 
 # The version
-VERSION=1.05
+VERSION=1.16
 
 VPATH=@srcdir@
 srcdir=@srcdir@
@@ -22,8 +22,12 @@ srcdir=@srcdir@
 CFLAGS += -c -I$(srcdir)/src/headers/ -I$(srcdir)/../
 
 # additional warnings (newer GCC 3.4 and higher)
-#CFLAGS += -Wsystem-headers -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wmissing-prototypes \
-#		  -Wmissing-declarations -Wpointer-arith 
+ifdef GCC_34
+CFLAGS += -Wsystem-headers -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wmissing-prototypes \
+		  -Wmissing-declarations -Wpointer-arith 
+endif
+
+ifndef IGNORE_SPEED
 
 # optimize for SPEED
 #CFLAGS += -O3 -funroll-loops
@@ -34,6 +38,8 @@ CFLAGS += -c -I$(srcdir)/src/headers/ -I$(srcdir)/../
 # optimize for SIZE
 #CFLAGS += -Os -DLTC_SMALL_CODE
 
+endif
+
 # older GCCs can't handle the "rotate with immediate" ROLc/RORc/etc macros
 # define this to help
 #CFLAGS += -DLTC_NO_ROLC
@@ -42,8 +48,14 @@ CFLAGS += -c -I$(srcdir)/src/headers/ -I$(srcdir)/../
 #CFLAGS += -g3 -DLTC_NO_ASM
 
 #Output filenames for various targets.
-LIBNAME=libtomcrypt.a
-LIBTEST=testprof/libtomcrypt_prof.a
+ifndef LIBNAME
+   LIBNAME=libtomcrypt.a
+endif
+ifndef LIBTEST
+   LIBTEST=libtomcrypt_prof.a
+endif
+LIBTEST_S=$(LIBTEST)
+
 HASH=hashsum
 CRYPT=encrypt
 SMALL=small
@@ -56,10 +68,19 @@ TEST=test
 #LIBPATH-The directory for libtomcrypt to be installed to.
 #INCPATH-The directory to install the header files for libtomcrypt.
 #DATAPATH-The directory to install the pdf docs.
-DESTDIR=
-LIBPATH=/usr/lib
-INCPATH=/usr/include
-DATAPATH=/usr/share/doc/libtomcrypt/pdf
+ifndef DESTDIR
+   DESTDIR=
+endif
+
+ifndef LIBPATH
+   LIBPATH=/usr/lib
+endif
+ifndef INCPATH
+   INCPATH=/usr/include
+endif
+ifndef DATAPATH
+   DATAPATH=/usr/share/doc/libtomcrypt/pdf
+endif
 
 #Who do we install as?
 ifdef INSTALL_USER
@@ -75,15 +96,10 @@ GROUP=wheel
 endif
 
 #List of objects to compile.
-
-#Leave MPI built-in or force developer to link against libtommath?
-#MPIOBJECT=src/misc/mpi/mpi.o
-#Dropbear uses libtommath
-MPIOBJECT=
-
-OBJECTS=src/ciphers/aes/aes_enc.o $(MPIOBJECT) src/ciphers/aes/aes.o src/ciphers/anubis.o \
-src/ciphers/blowfish.o src/ciphers/cast5.o src/ciphers/des.o src/ciphers/khazad.o src/ciphers/noekeon.o \
-src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
+#START_INS
+OBJECTS=src/ciphers/aes/aes_enc.o src/ciphers/aes/aes.o src/ciphers/anubis.o src/ciphers/blowfish.o \
+src/ciphers/cast5.o src/ciphers/des.o src/ciphers/kasumi.o src/ciphers/khazad.o src/ciphers/kseed.o \
+src/ciphers/noekeon.o src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
 src/ciphers/safer/safer_tab.o src/ciphers/safer/saferp.o src/ciphers/skipjack.o \
 src/ciphers/twofish/twofish.o src/ciphers/xtea.o src/encauth/ccm/ccm_memory.o \
 src/encauth/ccm/ccm_test.o src/encauth/eax/eax_addheader.o src/encauth/eax/eax_decrypt.o \
@@ -91,52 +107,65 @@ src/encauth/eax/eax_decrypt_verify_memory.o src/encauth/eax/eax_done.o src/encau
 src/encauth/eax/eax_encrypt_authenticate_memory.o src/encauth/eax/eax_init.o \
 src/encauth/eax/eax_test.o src/encauth/gcm/gcm_add_aad.o src/encauth/gcm/gcm_add_iv.o \
 src/encauth/gcm/gcm_done.o src/encauth/gcm/gcm_gf_mult.o src/encauth/gcm/gcm_init.o \
-src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_process.o src/encauth/gcm/gcm_reset.o \
-src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o src/encauth/ocb/ocb_decrypt_verify_memory.o \
-src/encauth/ocb/ocb_done_decrypt.o src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
+src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_mult_h.o src/encauth/gcm/gcm_process.o \
+src/encauth/gcm/gcm_reset.o src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o \
+src/encauth/ocb/ocb_decrypt_verify_memory.o src/encauth/ocb/ocb_done_decrypt.o \
+src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
 src/encauth/ocb/ocb_encrypt_authenticate_memory.o src/encauth/ocb/ocb_init.o src/encauth/ocb/ocb_ntz.o \
 src/encauth/ocb/ocb_shift_xor.o src/encauth/ocb/ocb_test.o src/encauth/ocb/s_ocb_done.o \
 src/hashes/chc/chc.o src/hashes/helper/hash_file.o src/hashes/helper/hash_filehandle.o \
 src/hashes/helper/hash_memory.o src/hashes/helper/hash_memory_multi.o src/hashes/md2.o src/hashes/md4.o \
-src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/sha1.o src/hashes/sha2/sha256.o \
-src/hashes/sha2/sha512.o src/hashes/tiger.o src/hashes/whirl/whirl.o src/mac/hmac/hmac_done.o \
-src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
+src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/rmd256.o src/hashes/rmd320.o \
+src/hashes/sha1.o src/hashes/sha2/sha256.o src/hashes/sha2/sha512.o src/hashes/tiger.o \
+src/hashes/whirl/whirl.o src/mac/f9/f9_done.o src/mac/f9/f9_file.o src/mac/f9/f9_init.o \
+src/mac/f9/f9_memory.o src/mac/f9/f9_memory_multi.o src/mac/f9/f9_process.o src/mac/f9/f9_test.o \
+src/mac/hmac/hmac_done.o src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
 src/mac/hmac/hmac_memory_multi.o src/mac/hmac/hmac_process.o src/mac/hmac/hmac_test.o \
 src/mac/omac/omac_done.o src/mac/omac/omac_file.o src/mac/omac/omac_init.o src/mac/omac/omac_memory.o \
 src/mac/omac/omac_memory_multi.o src/mac/omac/omac_process.o src/mac/omac/omac_test.o \
 src/mac/pelican/pelican.o src/mac/pelican/pelican_memory.o src/mac/pelican/pelican_test.o \
 src/mac/pmac/pmac_done.o src/mac/pmac/pmac_file.o src/mac/pmac/pmac_init.o src/mac/pmac/pmac_memory.o \
 src/mac/pmac/pmac_memory_multi.o src/mac/pmac/pmac_ntz.o src/mac/pmac/pmac_process.o \
-src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/misc/base64/base64_decode.o \
+src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/mac/xcbc/xcbc_done.o \
+src/mac/xcbc/xcbc_file.o src/mac/xcbc/xcbc_init.o src/mac/xcbc/xcbc_memory.o \
+src/mac/xcbc/xcbc_memory_multi.o src/mac/xcbc/xcbc_process.o src/mac/xcbc/xcbc_test.o \
+src/math/fp/ltc_ecc_fp_mulmod.o src/math/gmp_desc.o src/math/ltm_desc.o src/math/multi.o \
+src/math/rand_prime.o src/math/tfm_desc.o src/misc/base64/base64_decode.o \
 src/misc/base64/base64_encode.o src/misc/burn_stack.o src/misc/crypt/crypt.o \
 src/misc/crypt/crypt_argchk.o src/misc/crypt/crypt_cipher_descriptor.o \
 src/misc/crypt/crypt_cipher_is_valid.o src/misc/crypt/crypt_find_cipher.o \
 src/misc/crypt/crypt_find_cipher_any.o src/misc/crypt/crypt_find_cipher_id.o \
 src/misc/crypt/crypt_find_hash.o src/misc/crypt/crypt_find_hash_any.o \
-src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_prng.o \
-src/misc/crypt/crypt_hash_descriptor.o src/misc/crypt/crypt_hash_is_valid.o \
+src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_hash_oid.o \
+src/misc/crypt/crypt_find_prng.o src/misc/crypt/crypt_fsa.o src/misc/crypt/crypt_hash_descriptor.o \
+src/misc/crypt/crypt_hash_is_valid.o src/misc/crypt/crypt_ltc_mp_descriptor.o \
 src/misc/crypt/crypt_prng_descriptor.o src/misc/crypt/crypt_prng_is_valid.o \
 src/misc/crypt/crypt_register_cipher.o src/misc/crypt/crypt_register_hash.o \
 src/misc/crypt/crypt_register_prng.o src/misc/crypt/crypt_unregister_cipher.o \
 src/misc/crypt/crypt_unregister_hash.o src/misc/crypt/crypt_unregister_prng.o \
-src/misc/error_to_string.o src/misc/mpi/is_prime.o src/misc/mpi/mpi_to_ltc_error.o \
-src/misc/mpi/rand_prime.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
+src/misc/error_to_string.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
 src/modes/cbc/cbc_decrypt.o src/modes/cbc/cbc_done.o src/modes/cbc/cbc_encrypt.o \
 src/modes/cbc/cbc_getiv.o src/modes/cbc/cbc_setiv.o src/modes/cbc/cbc_start.o \
 src/modes/cfb/cfb_decrypt.o src/modes/cfb/cfb_done.o src/modes/cfb/cfb_encrypt.o \
 src/modes/cfb/cfb_getiv.o src/modes/cfb/cfb_setiv.o src/modes/cfb/cfb_start.o \
 src/modes/ctr/ctr_decrypt.o src/modes/ctr/ctr_done.o src/modes/ctr/ctr_encrypt.o \
-src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o \
+src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o src/modes/ctr/ctr_test.o \
 src/modes/ecb/ecb_decrypt.o src/modes/ecb/ecb_done.o src/modes/ecb/ecb_encrypt.o \
-src/modes/ecb/ecb_start.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
+src/modes/ecb/ecb_start.o src/modes/f8/f8_decrypt.o src/modes/f8/f8_done.o src/modes/f8/f8_encrypt.o \
+src/modes/f8/f8_getiv.o src/modes/f8/f8_setiv.o src/modes/f8/f8_start.o src/modes/f8/f8_test_mode.o \
+src/modes/lrw/lrw_decrypt.o src/modes/lrw/lrw_done.o src/modes/lrw/lrw_encrypt.o \
+src/modes/lrw/lrw_getiv.o src/modes/lrw/lrw_process.o src/modes/lrw/lrw_setiv.o \
+src/modes/lrw/lrw_start.o src/modes/lrw/lrw_test.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
 src/modes/ofb/ofb_encrypt.o src/modes/ofb/ofb_getiv.o src/modes/ofb/ofb_setiv.o \
 src/modes/ofb/ofb_start.o 
 
-HEADERS=src/headers/tommath_superclass.h src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h \
-src/headers/tomcrypt_macros.h src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h \
-src/headers/tomcrypt_cipher.h src/headers/tomcrypt_pk.h src/headers/tommath_class.h \
-src/headers/ltc_tommath.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_misc.h \
-src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+HEADERS=src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h src/headers/tomcrypt_macros.h \
+src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h src/headers/tomcrypt_cipher.h \
+src/headers/tomcrypt_pk.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_math.h \
+src/headers/tomcrypt_misc.h src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h \
+src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+
+#END_INS
 
 TESTOBJECTS=demos/test.o
 HASHOBJECTS=demos/hashsum.o
@@ -158,73 +187,76 @@ default:library
 
 #ciphers come in two flavours... enc+dec and enc 
 src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
-	$(CC) $(CFLAGS) -DENCRYPT_ONLY -c src/ciphers/aes/aes.c -o src/ciphers/aes/aes_enc.o
+	$(CC) $(CFLAGS) -DENCRYPT_ONLY -c $< -o src/ciphers/aes/aes_enc.o
 
 #These are the rules to make certain object files.
 src/ciphers/aes/aes.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
 src/ciphers/twofish/twofish.o: src/ciphers/twofish/twofish.c src/ciphers/twofish/twofish_tab.c
 src/hashes/whirl/whirl.o: src/hashes/whirl/whirl.c src/hashes/whirl/whirltab.c
-src/pk/ecc/ecc.o: src/pk/ecc/ecc.c src/pk/ecc/ecc_sys.c
-src/pk/dh/dh.o: src/pk/dh/dh.c src/pk/dh/dh_sys.c
 src/hashes/sha2/sha512.o: src/hashes/sha2/sha512.c src/hashes/sha2/sha384.c
 src/hashes/sha2/sha256.o: src/hashes/sha2/sha256.c src/hashes/sha2/sha224.c
 
 #This rule makes the libtomcrypt library.
 library: $(LIBNAME)
 
-$(LIBTEST): 
-	cd testprof ; CFLAGS="$(CFLAGS)" make 
+testprof/$(LIBTEST): 
+	cd testprof ; CFLAGS="$(CFLAGS)" LIBTEST_S=$(LIBTEST_S) $(MAKE) 
 
 $(LIBNAME): $(OBJECTS)
 	$(AR) $(ARFLAGS) $@ $(OBJECTS) 
-	$(RANLIB) $(LIBNAME)
+	$(RANLIB) $@
 
 #This rule makes the hash program included with libtomcrypt
 hashsum: library $(HASHOBJECTS)
-	$(CC) $(HASHOBJECTS) $(LIBNAME) -o $(HASH) $(WARN)
+	$(CC) $(HASHOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(HASH) $(WARN)
 
 #makes the crypt program
 crypt: library $(CRYPTOBJECTS)
-	$(CC) $(CRYPTOBJECTS) $(LIBNAME) -o $(CRYPT) $(WARN)
+	$(CC) $(CRYPTOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(CRYPT) $(WARN)
 
 #makes the small program
 small: library $(SMALLOBJECTS)
-	$(CC) $(SMALLOBJECTS) $(LIBNAME) -o $(SMALL) $(WARN)
+	$(CC) $(SMALLOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(SMALL) $(WARN)
 	
 tv_gen: library $(TVS)
-	$(CC) $(TVS) $(LIBNAME) -o $(TV)
+	$(CC) $(LDFLAGS) $(TVS) $(LIBNAME) $(EXTRALIBS) -o $(TV)
 
 multi: library $(MULTIS)
-	$(CC) $(MULTIS) $(LIBNAME) -o $(MULTI)
+	$(CC) $(MULTIS) $(LIBNAME) $(EXTRALIBS) -o $(MULTI)
 
-timing: library $(LIBTEST) $(TIMINGS)
-	$(CC) $(TIMINGS) $(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TIMING)
-
-test: library $(LIBTEST) $(TESTS)
-	$(CC) $(TESTS) $(LIBTEST) $(LIBNAME) -o $(TEST)
+timing: library testprof/$(LIBTEST) $(TIMINGS)
+	$(CC) $(LDFLAGS) $(TIMINGS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TIMING)
 
+test: library testprof/$(LIBTEST) $(TESTS)
+	$(CC) $(LDFLAGS) $(TESTS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TEST)
 
 #This rule installs the library and the header files. This must be run
 #as root in order to have a high enough permission to write to the correct
 #directories and to set the owner and group to root.
+ifndef NODOCS
 install: library docs
+else
+install: library
+endif
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(DATAPATH)
 	install -g $(GROUP) -o $(USER) $(LIBNAME) $(DESTDIR)$(LIBPATH)
 	install -g $(GROUP) -o $(USER) $(HEADERS) $(DESTDIR)$(INCPATH)
+ifndef NODOCS
 	install -g $(GROUP) -o $(USER) doc/crypt.pdf $(DESTDIR)$(DATAPATH)
+endif
 
-install_test: $(LIBTEST)
+install_test: testprof/$(LIBTEST)
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
-	install -g $(GROUP) -o $(USER) $(LIBTEST) $(DESTDIR)$(LIBPATH)
+	install -g $(GROUP) -o $(USER) testprof/$(LIBTEST) $(DESTDIR)$(LIBPATH)
 
 profile:
-	CFLAGS="$(CFLAGS) -fprofile-generate" make timing EXTRALIBS=-lgcov
+	CFLAGS="$(CFLAGS) -fprofile-generate" $(MAKE) timing EXTRALIBS="$(EXTRALIBS) -lgcov"
 	./timing
 	rm -f timing `find . -type f | grep [.][ao] | xargs`
-	CFLAGS="$(CFLAGS) -fprofile-use" make timing EXTRALIBS=-lgcov
+	CFLAGS="$(CFLAGS) -fprofile-use" $(MAKE) timing EXTRALIBS="$(EXTRALIBS) -lgcov"
 
 
 #This rule cleans the source tree of all compiled code, not including the pdf
@@ -236,7 +268,7 @@ clean:
 #build the doxy files (requires Doxygen, tetex and patience)
 doxy:
 	doxygen
-	cd doc/doxygen/latex ; make ; mv -f refman.pdf ../../.
+	cd doc/doxygen/latex ; ${MAKE} ; mv -f refman.pdf ../../.
 	echo The huge doxygen PDF should be available as doc/refman.pdf
 	
 #This builds the crypt.pdf file. Note that the rm -f *.pdf has been removed
@@ -249,6 +281,7 @@ docs: crypt.tex
 	latex crypt > /dev/null
 	latex crypt > /dev/null
 	makeindex crypt.idx > /dev/null
+	perl fixupind.pl
 	latex crypt > /dev/null
 	dvipdf crypt
 	mv -ivf crypt.pdf doc/crypt.pdf
@@ -259,6 +292,8 @@ docdvi: crypt.tex
 	latex crypt > /dev/null
 	latex crypt > /dev/null
 	makeindex crypt.idx
+	perl fixupind.pl
+	latex crypt > /dev/null
 	latex crypt > /dev/null
 
 #zipup the project (take that!)
@@ -278,5 +313,5 @@ zipup: no_oops docs
 
 
 # $Source: /cvs/libtom/libtomcrypt/makefile,v $ 
-# $Revision: 1.70 $ 
-# $Date: 2005/06/19 18:03:24 $ 
+# $Revision: 1.145 $ 
+# $Date: 2006/12/02 19:23:21 $ 

libtomcrypt/README

@@ -0,0 +1,3 @@
+See doc/crypt.pdf
+
+

libtomcrypt/TODO

@@ -1,10 +1,11 @@
-For 1.06
+stopped at ch12
+-- needs examples for ecc/dsa!!! (and for asn.1)
 
-1. export ECC functions globally [e.g. mulmod and the sets]
-   - goal is tv_gen module and test vectors
-2. ASN.1 SET and T61String
-3. phase out DH code [RSA/ECC/DSA is enough]
-4. Some ASN.1 demo programs [for now read the source code!]
-5. Start working towards making the bignum code plugable
-6. Look into other ECC point muls and consider a "precomp" interface 
-7. Add OID for ciphers and PRNGs to their descriptors
+must have for v1.16
+- document PK build flags
+- document makefile flags [INSTALL_* for instance]
+- prepare manual for printing (both soft and hard cover)
+
+Nice to have [in order of precedence]
+- add X9.63 IES
+- add CPP macros like OpenSSL has for ASN1 (e.g. encode/decode functions, etc) shameless ripoff :-)

libtomcrypt/build.sh

@@ -2,12 +2,12 @@
 echo "$1 ($2, $3)..."
 make clean 1>/dev/null 2>/dev/null
 echo -n "building..."
-CFLAGS="$2 $CFLAGS" make -j3 -f $3 test tv_gen 1>gcc_1.txt 2>gcc_2.txt || (echo "build $1 failed see gcc_2.txt for more information" && cat gcc_2.txt && exit 1)
+CFLAGS="$2 $CFLAGS $4" EXTRALIBS="$5" make -j4 -f $3 test tv_gen 1>gcc_1.txt 2>gcc_2.txt || (echo "build $1 failed see gcc_2.txt for more information" && cat gcc_2.txt && exit 1)
 echo -n "testing..."
 if [ -a test ] && [ -f test ] && [ -x test ]; then
    ((./test >test_std.txt 2>test_err.txt && ./tv_gen > tv.txt) && echo "$1 test passed." && echo "y" > testok.txt) || (echo "$1 test failed" && cat test_err.txt && exit 1)
    if find *_tv.txt -type f 1>/dev/null 2>/dev/null ; then
-      for f in *_tv.txt; do if (diff $f notes/$f) then true; else (echo "tv_gen $f failed" && rm -f testok.txt && exit 1); fi; done
+      for f in *_tv.txt; do if (diff --ignore-case $f notes/$f) then true; else (echo "tv_gen $f failed" && rm -f testok.txt && exit 1); fi; done
    fi
 fi
 if [ -a testok.txt ] && [ -f testok.txt ]; then
@@ -16,5 +16,5 @@ fi
 exit 1
 
 # $Source: /cvs/libtom/libtomcrypt/build.sh,v $   
-# $Revision: 1.5 $   
-# $Date: 2005/06/27 13:04:05 $ 
+# $Revision: 1.9 $   
+# $Date: 2006/03/18 14:10:55 $ 

libtomcrypt/changes

@@ -1,3 +1,233 @@
+December 16th, 2006
+v1.16 -- Brian Gladman pointed out that a recent change to GCM broke how the IV was handled.  Currently the code complies against his test vectors
+         so the code should be considered frozen now.
+      -- Trevor from Cryptography Research Inc. submitted patches to convert the ECC code to be generic allowing curve parameters to be submitted
+         at runtime.  
+      -- Fixed various doxygen comments
+      -- Added UTF8 support to the ASN1 code
+      -- Fixed STOREXXH macros for x86 platforms (Fix found at Elliptic Inc.)
+      -- Added makefile.unix which is BSD compatible, you have to manually tweak it since well I don't use it normally
+      -- removed a few lingering memcpy's
+      -- Fixed memory free errors in ecc_sign_hash() that can arise if the mp_init_multi() fails
+      -- Fixed incorrect return value in pkcs_1_pss_decode() which would correctly set res to 0 (indicating an incorrect signature) but 
+         would return CRYPT_OK to the caller
+      -- ltc_ecc_mulmod() could leak memory if mp_init(&mu) failed, fixed.  Would you believe that ltc_ecc_mulmod_timing() had the same
+         bug?  Also fixed.  :-)
+      -- Added Shamir's trick to the ECC side (defined as LTC_ECC_SHAMIR, enabled by default), gets ~1.34x to ~1.40x faster ECC verifications
+      -- Added Brian's vector #46 to the GCM code.  It catches the ctr counter error from v1.15.  Originally I was going to add all of his vectors,
+         but they're not as easy to parse and I got a lot of other things to do.  Regression!
+      -- Various other small fixes to the ECC code to clean up error handling (I think most of that was from the move in 1.06 to the plugins)
+         All of the errors were in cleaning up from heap failures.  So they were not likely to be triggered in normal usage
+         Made similar fixes to the RSA and DSA code (my bad)
+      -- Cryptography Research Inc. contributed a bunch of fixes to silence warnings (with MSVC) w.r.t. assigned data to unsigned char types.
+      -- Martin Marko suggested some fixes to make the RNG build with WinCE.
+      -- Updates to the manual for print (some fixes thanks to Martin Marko)
+      
+
+November 17th, 2006
+v1.15 -- Andreas Lange found that if sha256_init DID fail in fortuna it wouldn't clean up the state correctly.  Thanks.
+         Fortunately sha256_init cannot fail (as of v1.14) :-)
+      -- Andreas Lange contributed RMD-256 and RMD-320 code.
+      -- Removed mutex locks from fortuna_import as they create a deadlock and aren't required anyways [Avi Zelmanovich]
+      -- Added LTC_NO_PROTOTYPES to avoid prototyping functions like memset/memcpy.  Required for fans of GCC 3.3.x
+      -- David Eder caught a off by one overrun bug in pmac_done() which can be exploited if your output tag buffer is 
+         smaller than the block size of the cipher, e.g. if you have a 4-byte buffer and you tell pmac_done that you want
+         a 4-byte TAG it will store 4 bytes but return an outlen of 5.
+      -- Added signatures to the ECC and RSA benchmarks
+      -- Added LTC_PROFILE to run the PK tests only once in the timing demo (so you can capture events properly)
+      -- Andreas contributed PKCS #1 v1.5 code that merged cleanly with the existing PKCS code.  w00t.
+         (update: I had to fix it to include the digestInfo and what not.  Bad Andreas, bad! hehehe)
+      -- Fixed a signed variable error in gcm_process() (hard to trigger bug fortunately)
+      -- Removed all memcmp/memset/memcpy from the source (replaced with X macros)
+      -- Renamed macros HMAC/OMAC/PMAC to have a LTC_ prefix.  If you pass these on the command line please update your makefiles
+      -- Added XCBC-MAC support [RFC 3566]
+      -- fixed LOAD32H and LOAD64H to stop putting out that darn warning :-)
+      -- Added the Korean SEED block cipher [RFC 4269]
+      -- Added LTC_VALGRIND define which makes SOBER-128 and RC4 a pure PRNG (and not a stream cipher).  Useful if you use 
+         Valgrind to debug your code (reported by Andreas Lange)
+      -- Made SOBER-128 more portable by removing the ASCII key in the test function (my bad, sorry).
+      -- Martin Mocko pointed out that if you have no PRNGs defined the lib won't build.  Fixed, also fixed for if you have no
+         hashes defined.
+      -- Sped up F8 mode with LTC_FAST
+      -- Made CTR mode RFC 3686 compliant (increment counter first), to enable, OR the value LTC_CTR_RFC3686 to the "mode"
+         parameter you pass to ctr_start(), otherwise it will be LTC compliant (e.g. encrypt then increment)
+      -- Added ctr_test() to test CTR mode against RFC 3686
+      -- Added crypt_fsa() ... O_o
+      -- Fixed LTC_ECC_TIMING_RESISTANT so it once again builds properly (pt add/dbl are through the plugin now)
+      -- Added ANSI X9.63 (sec 4.3.6) import/export of public keys (cannot export to compressed formats but will import 
+         hybrid compressed)
+      -- Added SECP curves for 112, 128, and 160 bits (only the 'r1' curves)
+      -- Added 3GPP-F9 MAC (thanks to Greg Rose for the test vectors)
+      -- Added the KASUMI block cipher
+      -- Added F9/XCBC/OMAC callbacks to the cipher plugin
+      -- Added RSA PKCS #1 v1.5 signature/encrypt tests to rsa_test.c
+      -- Fix to yarrow_test() to not call yarrow_done() which is invalid in that context (thanks Valgrind)
+      -- Christophe Devine pointed out that Anubis would fail on various 64-bit UNIX boxes when "x>>24" was used as an index, we needed 
+         to mask it with 0xFF.  Thanks.  Fixed.
+
+August 0x1E, 0x07D6
+v1.14 -- Renamed the chaining mode macros from XXX to LTC_XXX_MODE.  Should help avoid polluting the macro name space.
+      -- clean up of SHA-256
+      -- Chris Colman pointed out that der_decode_sequence_* allows LTC_ASN1_SETOF to accept SEQUENCEs and vice versa.
+         Decoder [non-flexi decoder that is] is more strict now and requires a match.
+      -- Steffen Jaeckel pointed out a typo in the user manual (re: rsa_exptmod).  Fixed.  This disproves the notion that
+         nobody reads it.  :-)
+      -- Made GCM a bit more portable w.r.t. handling the CTR IV (e.g. & with 255)
+      -- Add LTC_VERBOSE if you really want to see what test is doing :-)
+      -- Added SSE2 support to GCM [use GCM_TABLES_SSE2 to enable], shaves 2 cycles per byte on Opteron processors
+         Shaved 4 cycles on a Prescott (Intel P4)
+         Requires you align your gcm_state on a 16 byte boundary, see gcm_memory() for more info
+      -- Added missing prototype for f8_test_mode()
+      -- two fixes to CCM for corner cases [L+noncelen > 15] and fixing the CTR pad to encrypt the CBC-MAC tag
+      -- Franz Glasner pointed out the ARGTYPE=4 is not actually valid.  Fixed.
+      -- Fixed bug in f8_start() if your key < saltkey unspecified behaviour occurs.  :-(
+      -- Documented F8 mode.  Yeah, because you read the manual.  
+      -- Minor updates to the technotes.
+
+
+June 17th, 2006
+v1.13 -- Fixed to fortuna_start() to clean up state if an error occurs.  Not really useful at this stage (sha256 can't fail) but useful
+         if I ever make fortuna pluggable
+      -- Mike Marin submitted a whole bunch of patches for fixing up the libs on traditional UNIX platforms.  Go AIX!  Thanks!
+      -- One of bugs found in the multi demo highlights that at least with gcc you need to pass integers with a UL prefix to ensure
+         they're unsigned long
+      -- Updated the FP ECC code to use affine points.  It's teh fast.
+      -- Made it so many functions which return CRYPT_BUFFER_OVERFLOW now also indicate the required buffer size, note that not all functions
+         do this (most do though).
+      -- Added F8 chaining mode.  It's super neato.
+
+May 29th, 2006
+v1.12 -- Fixed OID encoder/decoder/length to properly handle the first two parts of an OID, matches 2002 X.690 now.
+      -- [Wesley Shields] Allows both GMP/LTM and TFM to be defined now.  
+      -- [Wesley Shields] GMP pluggin is cleaner now and doesn't use deprecated symbols. Yipee
+      -- Added count_lsb_bits to get the number of leading LSB zero bits there are.
+      -- Fixed a bug in the INTEGER encoders for values of -(256**k)/2
+      -- Added BOOLEAN type to ASN.1 thingy-ma-do-hicky
+      -- Testprof doesn't strictly require GMP ... oops [Nils Durner]
+      -- Added LTC_CALL and LTC_EXPORT macros in tomcrypt_cfg.h to support various calling and linker conventions
+         (Thanks to John Kirk from Demonware)
+      -- In what has to be the best thing since sliced bread I bring you MECC_FP which is the fixed point
+         ECC point multiplier.  It's fast, it's sexy and what's more it's hella fast [did I mention it's fast?]
+         You can tune it somewhat with FP_LUT (default to 8) for look-up width.
+         Read section 8.2 of the manual for more info.
+         It is disabled by default, you'll have to build LTC with it defined to get it.  
+      -- Fixed bug in ecc_test.c (from testprof) to include the 521 [not 512] bit curve.  :-)
+
+April 4th, 2006
+v1.11 -- Removed printf's from lrw_test ... whoops
+      -- lrw_process now checks the return of the cipher ecb encrypt/decrypt calls
+      -- lrw_start was not using num_rounds ...
+      -- Adam Miller reported a bug in the flexi decoder with elements past the end of a sequence.  Fixed.
+      -- Bruce Guenter suggested I use --tag=CC for libtool builds where the compiler may think it's C++.  (I applied this to LTM and TFM)
+      -- Optimized the ECC for TFM a bit by removing the useless "if" statements (most TFM functions don't return error codes)
+         Actually shaved a good chunk of time off and made the code smaller.  By default with TFM the stock LTC point add/dbl functions 
+         will be totally omitted (ECC-256 make key times on a Prescott for old vs. new are 11.03M vs. 9.59M cycles)
+      -- added missing CVS tags to ltc_ecc_mulmod.c
+      -- corrected typo in tomcrypt_cfg.h about what the file has been called 
+      -- corrected my address in the user manual.  A "bit" out of date.
+      -- added lrw_gen to tv_gen
+      -- added GMP plugin, only tested on a AMD64 and x86_32 Gentoo Linux box so be aware
+      -- made testme.sh runs diff case insensitivityly [whatever...] cuz GMP outputs lowercase satan text
+      -- added LDFLAGS to the makefile to allow cross porting linking options
+      -- added lrw_test() to the header file ... whoops
+      -- changed libtomcrypt.org to libtomcrypt.com .... mumble mumble
+      -- Updates to detect __STRICT_ANSI__ which is defined in --std=c99 modes (note -ansi is not supported as it lacks long long) so you can
+         build LTC out of the box with c99 (note: it'll be slower as there is no asm in this case)
+      -- Updated pelican.c and aes_tab.c to undef tables not-required.  The tables are static so both AES and Pelican MAC would have copies.  Save a few KB in the final binary.
+      -- Added LTC_NO_FAST to the makefile.icc to compensate for the fact ICC v9 can't handle it (Pelican MAC fails for instance)
+
+February 11th, 2006
+v1.10 -- Free ecb/cbc/ctr/lrw structures in timing code by calling the "done" function
+      -- fixed bug in lrw_process() which would always use the slow update ...
+      -- vastly sped up gcm_gf_mult() when LTC_FAST is defined.  This speeds up LRW and GCM state creation, useful for servers with GCM
+      -- Removed NLS since there are some attacks against it.  
+      -- fixed memory leak in rsa_import reported by John Kuhns
+      ++ re-released as the rsa fix was incorrect (bad John bad ... hehehe) and I missed some NULLs in the static descriptor entry for ciphers 
+
+January 26th, 2006
+v1.09 -- Added missing doxygen comments to some of the ASN.1 routines
+      -- Added "easy button" define LTC_EASY and LTC will build with a subset of all the algos.  Reduces build times for typical
+         configurations.  Tunable [see tomcrypt_custom.h]
+      -- Added some error detection to reg_algs() of the testprof.a library to detect when the PRNG is not setup correctly (took me 10 mins to figure out, PITA!)
+      -- Similar fixes to timing demo (MD5 not defined when EASY is defined)
+      -- Added the NLS enc+mac stream cipher from QUALCOMM, disabled for this release, waiting on test vectors
+      -- Finally added an auto-update script for the makefiles.  So when I add new files/dirs it can automatically fix up the makefiles [all four of them...]
+      -- Added LRW to the list of cipher modes supported
+      -- cleaned up ciphers definitions to remove cbc/cfb/ofb/ctr/etc from the namespace when not used.
+
+November 24th, 2005
+v1.08 -- Added SET and SET OF support to the ASN.1 side
+      -- Fixed up X macros, added QSORT to the mix [thanks SET/SETOF]
+      -- Added XMEMCMP to the list of X macros
+      -- In der_decode_sequence() the SHORT_INTEGER type was not being handled correctly [oddly enough it worked just enough to make RSA work ... go figure!]
+      -- Fixed bug in math descriptors where if you hadn't defined MECC (ECC support) you would get linker errors
+      -- Added RSA accelerators to the math descriptors to make it possible to not include the stock routines if you supply your own.
+      -- dsa_decrypt_key() was erroneously dependent on MECC not MDSA ... whoops
+      -- Moved DSA size limits to tomcrypt_pk.h so they're defined with LTC_NO_PK+MDSA
+      -- cleaned up tomcrypt_custom.h to make customizable PK easier (and also cleaned up the error traps so they're correctly reported)
+
+November 18th, 2005
+v1.07 -- Craig Schlenter pointed out the "encrypt" demo doesn't call ctr_start() correctly.  That's because as of a few releases ago
+         I added support to set the mode of the counter at init time
+      -- Fixed some "testprof" make issues
+      -- Added RSA keygen to the math descriptors
+      -- Fixed install_test target ... oops
+      -- made the "ranlib" program renamable useful for cross-compiling
+      -- Made the cipher accelerators return error codes.  :-)
+      -- Made CCM accept a pre-scheduled key to speed it up if you use the same key for multiple packets
+      -- Added "Katja" public key crypto.  It's based on the recent N = p^2q work by Katja.  I added OAEP padding
+         to it.  Note this code has been disabled not because it doesn't work but because it hasn't been thoroughly
+         analyzed.   It does carry some advantages over RSA (slightly smaller public key, faster decrypt) but also
+         some annoying "setup" issues like the primes are smaller which makes ECM factoring more plausible.
+      -- Made makefile accept a NODOCS flag to disable the requirement of tetex to install LTC for you no tetex people... all 3 of ya  :-)
+      -- Cleaned up rsa_export() since "zero" was handled with a SHORT_INTEGER
+      -- Cleaned up the LIBTEST_S definitions in both GNU makefiles.  A few minor touchups as well.
+      -- Made the cipher ecb encrypt/decrypt return an int as well, changed ALL dependent code to check for this.  
+      -- der_decode_choice() would fail to mark a NULL as "used" when decoding.  Fixed
+      -- ecc_decrypt_key() now uses find_hash_oid() to clean up the code ;-)
+      -- Added mp_neg() to the math descriptors.
+      -- Swapped arguments for the pkcs_1_mgf1() function so the hash_idx is the first param (to be more consistent)
+      -- Made the math descriptors buildable when RSA has been undefined
+      -- ECC timing demo now capable of detecting which curves have been defined
+      -- Refactored the ECC code so it's easier to maintain.  (note: the form of this code hasn't really changed since I first added ECC ... :-/)
+      -- Updated the documentation w.r.t. ECC and the accelerators to keep it current
+      -- Fixed bug in ltc_init_multi() which would fail to free all allocated memory on error.
+      -- Fixed bug in ecc_decrypt_key() which could possibly lead to overflows (if MAXBLOCKSIZE > ECC_BUF_SIZE and you have a hash that emits MAXBLOCKSIZE bytes)
+      -- Added encrypt/decrypt to the DSA side (basically DH with DSA parameters)
+      -- Updated makefiles to remove references to the old DH object files and the ecc_sys.o crap ... clean code ahead!
+      -- ecc_import() now checks if the point it reads in lies on the curve (to prevent degenerative points from being used)
+      -- ECC code now ALWAYS uses the accelerator interface.  This allows people who use the accelerators to not have the stock
+         ECC point add/dbl/mul code linked in.  Yeah space savings! Rah Rah Rah.
+      -- Added LTC_MUTEX_* support to Yarrow and Fortuna allowing you to use respective prng_state as a global PRNG state [e.g. thread-safe] if you define one of the LTC_* defines at
+         build time (e.g. LTC_PTHREAD == pthreads)
+      -- Added PPC32 support to the rotate macros (tested on an IBM PPC 405) and LTC_FAST macros (it aint fast but it's faster than stock)
+      -- Added ltc_mp checks in all *_make_key() and *_import() which will help catch newbs who don't register their bignum first :-)
+      -- the UTCTIME type was missing from der_length_sequence() [oops, oh like you've never done that]
+      -- the main makefile allows you to rename the make command [e.g. MAKE=gmake gmake install] so you can build LTC on platforms where the default make command sucks [e.g. BSD]
+      -- Added DER flexi decoder which allows the decoding of arbitrary DER encoded packets without knowing
+         their structure in advance (thanks to MSVC for finding 3 bugs in it just prior to release! ... don't ask)
+
+August 1st, 2005
+v1.06 -- Fixed rand_prime() to accept negative inputs as a signal for BBS primes. [Fredrik Olsson]
+      -- Added fourth ARGCHK type which outputs to stderr and continues.  Useful if you trap sigsegv.   [Valient Gough]
+      -- Removed the DH code from the tree
+      -- Made the ECC code fully public (you can access ecc_mulmod directly now) useful for debuging
+      -- Added ecc test to tv_gen
+      -- Added hmac callback to hash descriptors.
+      -- Fixed two doxy comment errors in the UTCTIME functions
+      -- rsa_import() can now read OpenSSL format DER public keys as well as the PKCS #1 RSAPublicKey format.
+         Note that rsa_export()  **ONLY** writes PKCS #1 formats
+      -- Changed MIN/MAX to only define if not already present.  -- Kirk J from Demonware ... 
+      -- Ported tv_gen to new framework (and yes, I made ecc vectors BEFORE changing the API and YES they match now :-))
+      -- ported testing scripts to support pluggable math.  yipee!
+      -- Wrote a TFM descriptor ... yipee
+      -- Cleaned up LTC_FAST in CBC mode a bit 
+      -- Merged in patches from Michael Brown for the sparc/sparc64 targets
+      -- Added find_hash_oid() to search for a hash by its OID
+      -- Cleaned up a few stray CLEAN_STACKs that should have been LTC_CLEAN_STACK
+      -- Added timing resistant ECC, enable by defining LTC_ECC_TIMING_RESISTANT then use ECC API as normal 
+      -- Updated the ECC documentation as it was a bit out of date
+
 June 27th, 2005
 v1.05
       -- Added Technote #6 which covers the current PK compliance.  
@@ -213,7 +443,7 @@ October 29th, 2004
 v0.99  -- Merged in the latest version of LTM which includes all of the recent bug fixes
        -- Deprecated LTMSSE and removed it (to be replaced with TFM later on)
        -- Stefan Arentz pointed out that mp_s_rmap should be extern
-       -- Kristian Gjøsteen pointed out that there are typos in the 
+       -- Kristian Gj?steen pointed out that there are typos in the 
           "test" makefile and minor issues in Yarrow and Sober [just cosmetics really]
        -- Matthew P. Cashdollar pointed out that "export" is a C++ keyword 
           so changed the PRNG api to use "pexport" and "pimport"
@@ -592,7 +822,7 @@ v0.81  -- Merged in new makefile from Clay Culver and Mike Frysinger
           as much as possible.  This sped the routine up quite a bit.
        -- Fixed a huge flaw in ecc_verify_hash() where it would return CRYPT_OK on error... Now fixed.
        -- Fixed up config.pl by fixing an invalid query and the file is saved in non-windows [e.g. not CR/LF] format
-          (fix due to Mika Boström)
+          (fix due to Mika Bostr?m)
        -- Merged in LibTomMath for kicks
        -- Changed the build process so that by default "mycrypt_custom.h" is included and provided
           The makefile doesn't include any build options anymore
@@ -1321,6 +1551,6 @@ v0.02  -- Changed RC5 to only allow 12 to 24 rounds
 v0.01  -- We will call this the first version.
 
 /* $Source: /cvs/libtom/libtomcrypt/changes,v $ */
-/* $Revision: 1.106 $ */
-/* $Date: 2005/06/27 12:37:06 $ */
+/* $Revision: 1.274 $ */
+/* $Date: 2006/12/16 19:08:17 $ */
 

libtomcrypt/crypt.lof

@@ -0,0 +1,24 @@
+\addvspace {10\p@ }
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {2.1}{\ignorespaces Load And Store Macros}}{9}{figure.2.1}
+\contentsline {figure}{\numberline {2.2}{\ignorespaces Rotate Macros}}{9}{figure.2.2}
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {3.1}{\ignorespaces Built--In Software Ciphers}}{19}{figure.3.1}
+\contentsline {figure}{\numberline {3.2}{\ignorespaces Twofish Build Options}}{21}{figure.3.2}
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {4.1}{\ignorespaces Built--In Software Hashes}}{57}{figure.4.1}
+\addvspace {10\p@ }
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {6.1}{\ignorespaces List of Provided PRNGs}}{82}{figure.6.1}
+\addvspace {10\p@ }
+\addvspace {10\p@ }
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {9.1}{\ignorespaces DSA Key Sizes}}{119}{figure.9.1}
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {10.1}{\ignorespaces List of ASN.1 Supported Types}}{127}{figure.10.1}
+\addvspace {10\p@ }
+\addvspace {10\p@ }
+\contentsline {figure}{\numberline {12.1}{\ignorespaces RSA/DH Key Strength}}{149}{figure.12.1}
+\contentsline {figure}{\numberline {12.2}{\ignorespaces ECC Key Strength}}{149}{figure.12.2}
+\addvspace {10\p@ }
+\addvspace {10\p@ }

libtomcrypt/demos/encrypt.c

@@ -170,7 +170,7 @@ int main(int argc, char *argv[])
          exit(-1);
       }
    
-      if ((errno = ctr_start(cipher_idx,IV,key,ks,0,&ctr)) != CRYPT_OK) {
+      if ((errno = ctr_start(cipher_idx,IV,key,ks,0,CTR_COUNTER_LITTLE_ENDIAN,&ctr)) != CRYPT_OK) {
          printf("ctr_start error: %s\n",error_to_string(errno));
          exit(-1);
       }
@@ -212,7 +212,7 @@ int main(int argc, char *argv[])
          exit(-1);
       }
 
-      if ((errno = ctr_start(cipher_idx,IV,key,ks,0,&ctr)) != CRYPT_OK) {
+      if ((errno = ctr_start(cipher_idx,IV,key,ks,0,CTR_COUNTER_LITTLE_ENDIAN,&ctr)) != CRYPT_OK) {
          printf("ctr_start error: %s\n",error_to_string(errno));
          exit(-1);
       }
@@ -237,5 +237,5 @@ int main(int argc, char *argv[])
 }
 
 /* $Source: /cvs/libtom/libtomcrypt/demos/encrypt.c,v $ */
-/* $Revision: 1.2 $ */
-/* $Date: 2005/05/05 14:35:56 $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/08/04 20:43:50 $ */

libtomcrypt/demos/multi.c

@@ -13,21 +13,21 @@ int main(void)
 
 /* HASH testing */
    len = sizeof(buf[0]);
-   hash_memory(find_hash("sha256"), "hello", 5, buf[0], &len);
+   hash_memory(find_hash("sha256"), (unsigned char*)"hello", 5, buf[0], &len);
    len2 = sizeof(buf[0]);
-   hash_memory_multi(find_hash("sha256"), buf[1], &len2, "hello", 5, NULL);
+   hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"hello", 5, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   hash_memory_multi(find_hash("sha256"), buf[1], &len2, "he", 2, "llo", 3, NULL);
+   hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL, 0);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   hash_memory_multi(find_hash("sha256"), buf[1], &len2, "h", 1, "e", 1, "l", 1, "l", 1, "o", 1, NULL);
+   hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
@@ -35,21 +35,21 @@ int main(void)
 
 /* HMAC */
    len = sizeof(buf[0]);
-   hmac_memory(find_hash("sha256"), key, 16, "hello", 5, buf[0], &len);
+   hmac_memory(find_hash("sha256"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
    len2 = sizeof(buf[0]);
-   hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, "hello", 5, NULL);
+   hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, "he", 2, "llo", 3, NULL);
+   hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, "h", 1, "e", 1, "l", 1, "l", 1, "o", 1, NULL);
+   hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
@@ -57,21 +57,21 @@ int main(void)
 
 /* OMAC */
    len = sizeof(buf[0]);
-   omac_memory(find_cipher("aes"), key, 16, "hello", 5, buf[0], &len);
+   omac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
    len2 = sizeof(buf[0]);
-   omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, "hello", 5, NULL);
+   omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, "he", 2, "llo", 3, NULL);
+   omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, "h", 1, "e", 1, "l", 1, "l", 1, "o", 1, NULL);
+   omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
@@ -79,21 +79,21 @@ int main(void)
 
 /* PMAC */
    len = sizeof(buf[0]);
-   pmac_memory(find_cipher("aes"), key, 16, "hello", 5, buf[0], &len);
+   pmac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len);
    len2 = sizeof(buf[0]);
-   pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, "hello", 5, NULL);
+   pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, "he", 2, "llo", 3, NULL);
+   pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
    }
    len2 = sizeof(buf[0]);
-   pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, "h", 1, "e", 1, "l", 1, "l", 1, "o", 1, NULL);
+   pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL);
    if (len != len2 || memcmp(buf[0], buf[1], len)) {
       printf("Failed: %d %lu %lu\n", __LINE__, len, len2);
       return EXIT_FAILURE;
@@ -106,5 +106,5 @@ int main(void)
 
 
 /* $Source: /cvs/libtom/libtomcrypt/demos/multi.c,v $ */
-/* $Revision: 1.2 $ */
-/* $Date: 2005/05/05 14:35:56 $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/06/07 22:25:09 $ */

libtomcrypt/demos/small.c

@@ -1,4 +1,4 @@
-// small demo app that just includes a cipher/hash/prng
+/* small demo app that just includes a cipher/hash/prng */
 #include <tomcrypt.h>
 
 int main(void)
@@ -10,5 +10,5 @@ int main(void)
 }
 
 /* $Source: /cvs/libtom/libtomcrypt/demos/small.c,v $ */
-/* $Revision: 1.2 $ */
-/* $Date: 2005/05/05 14:35:56 $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/06/07 22:25:09 $ */

libtomcrypt/demos/test.c

@@ -4,6 +4,18 @@ int main(void)
 {
    int x;
    reg_algs();
+
+#ifdef USE_LTM
+   ltc_mp = ltm_desc;
+#elif defined(USE_TFM)
+   ltc_mp = tfm_desc;
+#elif defined(USE_GMP)
+   ltc_mp = gmp_desc;
+#else
+   extern ltc_math_descriptor EXT_MATH_LIB;
+   ltc_mp = EXT_MATH_LIB;
+#endif
+
    printf("build == \n%s\n", crypt_build_settings);
    printf("\nstore_test...."); fflush(stdout); x = store_test();       printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
    printf("\ncipher_test..."); fflush(stdout); x = cipher_hash_test(); printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
@@ -12,13 +24,13 @@ int main(void)
    printf("\nmac_test......"); fflush(stdout); x = mac_test();         printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
    printf("\npkcs_1_test..."); fflush(stdout); x = pkcs_1_test();      printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
    printf("\nrsa_test......"); fflush(stdout); x = rsa_test();         printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
-   printf("\necc_test......"); fflush(stdout); x = ecc_tests();        printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
+   printf("\necc_test......"); fflush(stdout); x = ecc_tests();        printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE); 
    printf("\ndsa_test......"); fflush(stdout); x = dsa_test();         printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
-   printf("\ndh_test......."); fflush(stdout); x = dh_tests();         printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
+   printf("\nkatja_test...."); fflush(stdout); x = katja_test();       printf(x ? "failed" : "passed");if (x) exit(EXIT_FAILURE);
    printf("\n");
    return EXIT_SUCCESS;
 }
 
 /* $Source: /cvs/libtom/libtomcrypt/demos/test.c,v $ */
-/* $Revision: 1.12 $ */
-/* $Date: 2005/06/19 12:06:58 $ */
+/* $Revision: 1.28 $ */
+/* $Date: 2006/05/25 10:50:08 $ */

libtomcrypt/demos/timing.c

@@ -2,12 +2,26 @@
 
 int main(void)
 {
+
 init_timer();
 reg_algs();
+
+#ifdef USE_LTM
+   ltc_mp = ltm_desc;
+#elif defined(USE_TFM)
+   ltc_mp = tfm_desc;
+#elif defined(USE_GMP)
+   ltc_mp = gmp_desc;
+#else
+   extern ltc_math_descriptor EXT_MATH_LIB;
+   ltc_mp = EXT_MATH_LIB;
+#endif
+
 time_keysched();
 time_cipher();
 time_cipher2();
 time_cipher3();
+time_cipher4();
 time_hash();
 time_macs();
 time_encmacs();
@@ -16,11 +30,13 @@ time_mult();
 time_sqr();
 time_rsa();
 time_ecc();
-time_dh();
+#ifdef USE_LTM
+time_katja();
+#endif
 return EXIT_SUCCESS;
 
 }
 
 /* $Source: /cvs/libtom/libtomcrypt/demos/timing.c,v $ */
-/* $Revision: 1.17 $ */
-/* $Date: 2005/06/23 02:16:26 $ */
+/* $Revision: 1.61 $ */
+/* $Date: 2006/12/03 03:08:35 $ */

libtomcrypt/demos/tv_gen.c

@@ -98,6 +98,18 @@ void reg_algs(void)
   }
 #endif
 
+#ifdef USE_LTM
+   ltc_mp = ltm_desc;
+#elif defined(USE_TFM)
+   ltc_mp = tfm_desc;
+#elif defined(USE_GMP)
+   ltc_mp = gmp_desc;
+#else
+   extern ltc_math_descriptor EXT_MATH_LIB;
+   ltc_mp = EXT_MATH_LIB;
+#endif
+
+
 }
 
 void hash_gen(void)
@@ -541,7 +553,7 @@ void ccm_gen(void)
             plaintext[z] = (unsigned char)(z & 255);
          }
          len = sizeof(tag);
-         if ((err = ccm_memory(x, key, kl, nonce, 13, plaintext, y1, plaintext, y1, plaintext, tag, &len, CCM_ENCRYPT)) != CRYPT_OK) {
+         if ((err = ccm_memory(x, key, kl, NULL, nonce, 13, plaintext, y1, plaintext, y1, plaintext, tag, &len, CCM_ENCRYPT)) != CRYPT_OK) {
             printf("Error CCM'ing: %s\n", error_to_string(err));
             exit(EXIT_FAILURE);
          }
@@ -641,30 +653,134 @@ void base64_gen(void)
    fclose(out);
 }
 
+void math_gen(void)
+{
+}
+
+void ecc_gen(void)
+{
+   FILE         *out;
+   unsigned char str[512];
+   void          *k, *order, *modulus;
+   ecc_point    *G, *R;
+   int           x;
+
+   out = fopen("ecc_tv.txt", "w");
+   fprintf(out, "ecc vectors.  These are for kG for k=1,3,9,27,...,3**n until k > order of the curve outputs are <k,x,y> triplets\n\n");
+   G = ltc_ecc_new_point();
+   R = ltc_ecc_new_point();
+   mp_init(&k);
+   mp_init(&order);
+   mp_init(&modulus);
+
+   for (x = 0; ltc_ecc_sets[x].size != 0; x++) {
+        fprintf(out, "ECC-%d\n", ltc_ecc_sets[x].size*8);
+        mp_set(k, 1);
+
+        mp_read_radix(order,   (char *)ltc_ecc_sets[x].order, 16);
+        mp_read_radix(modulus, (char *)ltc_ecc_sets[x].prime, 16);
+        mp_read_radix(G->x,    (char *)ltc_ecc_sets[x].Gx,    16);
+        mp_read_radix(G->y,    (char *)ltc_ecc_sets[x].Gy,    16);
+        mp_set(G->z, 1);  
+
+        while (mp_cmp(k, order) == LTC_MP_LT) {
+            ltc_mp.ecc_ptmul(k, G, R, modulus, 1);
+            mp_tohex(k,    (char*)str); fprintf(out, "%s, ", (char*)str);
+            mp_tohex(R->x, (char*)str); fprintf(out, "%s, ", (char*)str);
+            mp_tohex(R->y, (char*)str); fprintf(out, "%s\n", (char*)str);
+            mp_mul_d(k, 3, k);
+        }
+   }
+   mp_clear_multi(k, order, modulus, NULL);
+   ltc_ecc_del_point(G);
+   ltc_ecc_del_point(R);
+   fclose(out);
+}
+
+void lrw_gen(void)
+{
+   FILE *out;
+   unsigned char tweak[16], key[16], iv[16], buf[1024];
+   int x, y, err;
+   symmetric_LRW lrw;
+   
+   /* initialize default key and tweak */
+   for (x = 0; x < 16; x++) {
+      tweak[x] = key[x] = iv[x] = x;
+   }
+
+   out = fopen("lrw_tv.txt", "w");
+   for (x = 16; x < (int)(sizeof(buf)); x += 16) {
+       if ((err = lrw_start(find_cipher("aes"), iv, key, 16, tweak, 0, &lrw)) != CRYPT_OK) {
+          fprintf(stderr, "Error starting LRW-AES: %s\n", error_to_string(err));
+          exit(EXIT_FAILURE);
+       }
+
+       /* encrypt incremental */
+       for (y = 0; y < x; y++) {
+           buf[y] = y & 255;
+       }
+
+       if ((err = lrw_encrypt(buf, buf, x, &lrw)) != CRYPT_OK) {
+          fprintf(stderr, "Error encrypting with LRW-AES: %s\n", error_to_string(err));
+          exit(EXIT_FAILURE);
+       }
+
+       /* display it */
+       fprintf(out, "%d:", x);
+       for (y = 0; y < x; y++) {
+          fprintf(out, "%02x", buf[y]);
+       }
+       fprintf(out, "\n");
+
+       /* reset IV */
+       if ((err = lrw_setiv(iv, 16, &lrw)) != CRYPT_OK) {
+          fprintf(stderr, "Error setting IV: %s\n", error_to_string(err));
+          exit(EXIT_FAILURE);
+       }
+
+       /* copy new tweak, iv and key */
+       for (y = 0; y < 16; y++) {
+          key[y]   = buf[y];
+          iv[y]    = buf[(y+16)%x];
+          tweak[y] = buf[(y+32)%x];
+       }
+
+       if ((err = lrw_decrypt(buf, buf, x, &lrw)) != CRYPT_OK) {
+          fprintf(stderr, "Error decrypting with LRW-AES: %s\n", error_to_string(err));
+          exit(EXIT_FAILURE);
+       }
+
+       /* display it */
+       fprintf(out, "%d:", x);
+       for (y = 0; y < x; y++) {
+          fprintf(out, "%02x", buf[y]);
+       }
+       fprintf(out, "\n");
+       lrw_done(&lrw);
+   }
+   fclose(out);
+}      
+
 int main(void)
 {
    reg_algs();
-   printf("Generating hash   vectors..."); fflush(stdout); hash_gen(); printf("done\n");
+   printf("Generating hash   vectors..."); fflush(stdout); hash_gen();   printf("done\n");
    printf("Generating cipher vectors..."); fflush(stdout); cipher_gen(); printf("done\n");
-   printf("Generating HMAC   vectors..."); fflush(stdout); hmac_gen(); printf("done\n");
-   printf("Generating OMAC   vectors..."); fflush(stdout); omac_gen(); printf("done\n");
-   printf("Generating PMAC   vectors..."); fflush(stdout); pmac_gen(); printf("done\n");
-   printf("Generating EAX    vectors..."); fflush(stdout); eax_gen(); printf("done\n");
-   printf("Generating OCB    vectors..."); fflush(stdout); ocb_gen(); printf("done\n");
-   printf("Generating CCM    vectors..."); fflush(stdout); ccm_gen(); printf("done\n");
-   printf("Generating GCM    vectors..."); fflush(stdout); gcm_gen(); printf("done\n");
+   printf("Generating HMAC   vectors..."); fflush(stdout); hmac_gen();   printf("done\n");
+   printf("Generating OMAC   vectors..."); fflush(stdout); omac_gen();   printf("done\n");
+   printf("Generating PMAC   vectors..."); fflush(stdout); pmac_gen();   printf("done\n");
+   printf("Generating EAX    vectors..."); fflush(stdout); eax_gen();    printf("done\n");
+   printf("Generating OCB    vectors..."); fflush(stdout); ocb_gen();    printf("done\n");
+   printf("Generating CCM    vectors..."); fflush(stdout); ccm_gen();    printf("done\n");
+   printf("Generating GCM    vectors..."); fflush(stdout); gcm_gen();    printf("done\n");
    printf("Generating BASE64 vectors..."); fflush(stdout); base64_gen(); printf("done\n");
+   printf("Generating MATH   vectors..."); fflush(stdout); math_gen();   printf("done\n");
+   printf("Generating ECC    vectors..."); fflush(stdout); ecc_gen();    printf("done\n");
+   printf("Generating LRW    vectors..."); fflush(stdout); lrw_gen();    printf("done\n");
    return 0;
 }
 
-
-         
-      
-      
-      
-    
-   
-
 /* $Source: /cvs/libtom/libtomcrypt/demos/tv_gen.c,v $ */
-/* $Revision: 1.4 $ */
-/* $Date: 2005/05/05 14:35:56 $ */
+/* $Revision: 1.15 $ */
+/* $Date: 2006/06/09 22:10:27 $ */

libtomcrypt/doc/footer.html

@@ -1,10 +1,10 @@
 <hr width="80%">
-Code by <a href="http://www.libtomcrypt.org/">Tom</a><br>
+Code by <a href="http://www.libtomcrypt.com/">Tom</a><br>
 Docs using <img src="doxygen.png" alt="doxygen" align="middle" border=0>
 <a href="http://jlcooke.ca/tom/hidden_image.png">
 
 <!--
 /* $Source: /cvs/libtom/libtomcrypt/doc/footer.html,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/07 10:09:20 $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/03/31 14:15:34 $ */
 -->

libtomcrypt/filter.pl

@@ -0,0 +1,30 @@
+#!/usr/bin/perl
+
+# we want to filter every between START_INS and END_INS out and then insert crap from another file (this is fun)
+
+$dst = shift;
+$ins = shift;
+
+open(SRC,"<$dst");
+open(INS,"<$ins");
+open(TMP,">tmp.delme");
+
+$l = 0;
+while (<SRC>) {
+   if ($_ =~ /START_INS/) {
+      print TMP $_;
+      $l = 1;
+      while (<INS>) {
+         print TMP $_;
+      }
+      close INS;
+   } elsif ($_ =~ /END_INS/) {
+      print TMP $_;
+      $l = 0;
+   } elsif ($l == 0) {
+      print TMP $_;
+   }
+}
+
+close TMP;
+close SRC;

libtomcrypt/fixupind.pl

@@ -0,0 +1,11 @@
+open(IN,"<crypt.ind");
+open(OUT,">crypt.ind.tmp");
+$a = <IN>;
+print OUT  "$a\n\\addcontentsline{toc}{chapter}{Index}\n";
+while (<IN>) {
+   print OUT $_;
+}
+close OUT;
+close IN;
+system("mv -f crypt.ind.tmp crypt.ind");
+

libtomcrypt/genlist.sh

@@ -1,10 +1,10 @@
 #!/bin/bash
 # aes_tab.o is a pseudo object as it's made from aes.o and MPI is optional
-export a=`echo -n "src/ciphers/aes/aes_enc.o *(MPIOBJECT) " ; find . -type f | sort | grep "[.]/src" | grep "[.]c" | grep -v "sha224" | grep -v "sha384" | grep -v "aes_tab" | grep -v "twofish_tab" | grep -v "whirltab" | grep -v "dh_sys" | grep -v "ecc_sys" | grep -v "mpi[.]c" | grep -v "sober128tab" | sed -e 'sE\./EE' | sed -e 's/\.c/\.o/' | xargs`
+export a=`echo -n "src/ciphers/aes/aes_enc.o " ; find . -type f | sort | grep "[.]/src" | grep "[.]c" | grep -v "sha224" | grep -v "sha384" | grep -v "aes_tab" | grep -v "twofish_tab" | grep -v "whirltab" | grep -v "dh_sys" | grep -v "ecc_sys" | grep -v "mpi[.]c" | grep -v "sober128tab" | sed -e 'sE\./EE' | sed -e 's/\.c/\.o/' | xargs`
 perl ./parsenames.pl OBJECTS "$a"
 export a=`find . -type f | grep [.]/src | grep [.]h | sed -e 'se\./ee' | xargs`
 perl ./parsenames.pl HEADERS "$a"
 
 # $Source: /cvs/libtom/libtomcrypt/genlist.sh,v $   
-# $Revision: 1.3 $   
-# $Date: 2005/05/05 14:49:27 $ 
+# $Revision: 1.4 $   
+# $Date: 2005/07/17 23:15:12 $ 

libtomcrypt/makefile.icc

@@ -12,9 +12,9 @@
 #
 # Tom St Denis
 
-#ch1-01-1
 # Compiler and Linker Names
 CC=icc
+
 #LD=ld
 
 # Archiver [makes .a files]
@@ -22,7 +22,12 @@ CC=icc
 #ARFLAGS=r
 
 # Compilation flags. Note the += does not write over the user's CFLAGS!
-CFLAGS += -c -Isrc/headers/ -Itestprof/ -DINTEL_CC
+CFLAGS += -c -Isrc/headers/ -Itestprof/ -DINTEL_CC -DLTC_SOURCE
+
+#ICC v9 doesn't support LTC_FAST for things like Pelican MAC
+#Despite the fact I can't see what's wrong with my code
+#Oh well
+CFLAGS += -DLTC_NO_FAST
 
 #The default rule for make builds the libtomcrypt library.
 default:library
@@ -31,7 +36,7 @@ default:library
 #
 # -mcpu= can be pentium, pentiumpro (covers PII through PIII) or pentium4
 # -ax?	specifies make code specifically for ? but compatible with IA-32
-# -x?	 specifies compile solely for ? [not specifically IA-32 compatible]
+# -x?	   specifies compile solely for ? [not specifically IA-32 compatible]
 #
 # where ? is 
 #	K - PIII
@@ -55,8 +60,13 @@ endif
 #These flags control how the library gets built.
 
 #Output filenames for various targets.
-LIBNAME=libtomcrypt.a
-LIBTEST=testprof/libtomcrypt_prof.a
+ifndef LIBNAME
+   LIBNAME=libtomcrypt.a
+endif
+ifndef LIBTEST
+   LIBTEST=libtomcrypt_prof.a
+   LIBTEST_S=$(LIBTEST)
+endif
 HASH=hashsum
 CRYPT=encrypt
 SMALL=small
@@ -69,19 +79,24 @@ TEST=test
 #LIBPATH-The directory for libtomcrypt to be installed to.
 #INCPATH-The directory to install the header files for libtomcrypt.
 #DATAPATH-The directory to install the pdf docs.
-DESTDIR=
-LIBPATH=/usr/lib
-INCPATH=/usr/include
-DATAPATH=/usr/share/doc/libtomcrypt/pdf
+ifndef DESTDIR
+   DESTDIR=
+endif
+ifndef LIBPATH
+   LIBPATH=/usr/lib
+endif
+ifndef INCPATH
+   INCPATH=/usr/include
+endif
+ifndef DATAPATH
+   DATAPATH=/usr/share/doc/libtomcrypt/pdf
+endif
 
 #List of objects to compile.
-
-#Leave MPI built-in or force developer to link against libtommath?
-MPIOBJECT=src/misc/mpi/mpi.o
-
-OBJECTS=src/ciphers/aes/aes_enc.o $(MPIOBJECT) src/ciphers/aes/aes.o src/ciphers/anubis.o \
-src/ciphers/blowfish.o src/ciphers/cast5.o src/ciphers/des.o src/ciphers/khazad.o src/ciphers/noekeon.o \
-src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
+#START_INS
+OBJECTS=src/ciphers/aes/aes_enc.o src/ciphers/aes/aes.o src/ciphers/anubis.o src/ciphers/blowfish.o \
+src/ciphers/cast5.o src/ciphers/des.o src/ciphers/kasumi.o src/ciphers/khazad.o src/ciphers/kseed.o \
+src/ciphers/noekeon.o src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
 src/ciphers/safer/safer_tab.o src/ciphers/safer/saferp.o src/ciphers/skipjack.o \
 src/ciphers/twofish/twofish.o src/ciphers/xtea.o src/encauth/ccm/ccm_memory.o \
 src/encauth/ccm/ccm_test.o src/encauth/eax/eax_addheader.o src/encauth/eax/eax_decrypt.o \
@@ -89,51 +104,63 @@ src/encauth/eax/eax_decrypt_verify_memory.o src/encauth/eax/eax_done.o src/encau
 src/encauth/eax/eax_encrypt_authenticate_memory.o src/encauth/eax/eax_init.o \
 src/encauth/eax/eax_test.o src/encauth/gcm/gcm_add_aad.o src/encauth/gcm/gcm_add_iv.o \
 src/encauth/gcm/gcm_done.o src/encauth/gcm/gcm_gf_mult.o src/encauth/gcm/gcm_init.o \
-src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_process.o src/encauth/gcm/gcm_reset.o \
-src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o src/encauth/ocb/ocb_decrypt_verify_memory.o \
-src/encauth/ocb/ocb_done_decrypt.o src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
+src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_mult_h.o src/encauth/gcm/gcm_process.o \
+src/encauth/gcm/gcm_reset.o src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o \
+src/encauth/ocb/ocb_decrypt_verify_memory.o src/encauth/ocb/ocb_done_decrypt.o \
+src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
 src/encauth/ocb/ocb_encrypt_authenticate_memory.o src/encauth/ocb/ocb_init.o src/encauth/ocb/ocb_ntz.o \
 src/encauth/ocb/ocb_shift_xor.o src/encauth/ocb/ocb_test.o src/encauth/ocb/s_ocb_done.o \
 src/hashes/chc/chc.o src/hashes/helper/hash_file.o src/hashes/helper/hash_filehandle.o \
 src/hashes/helper/hash_memory.o src/hashes/helper/hash_memory_multi.o src/hashes/md2.o src/hashes/md4.o \
-src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/sha1.o src/hashes/sha2/sha256.o \
-src/hashes/sha2/sha512.o src/hashes/tiger.o src/hashes/whirl/whirl.o src/mac/hmac/hmac_done.o \
-src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
+src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/rmd256.o src/hashes/rmd320.o \
+src/hashes/sha1.o src/hashes/sha2/sha256.o src/hashes/sha2/sha512.o src/hashes/tiger.o \
+src/hashes/whirl/whirl.o src/mac/f9/f9_done.o src/mac/f9/f9_file.o src/mac/f9/f9_init.o \
+src/mac/f9/f9_memory.o src/mac/f9/f9_memory_multi.o src/mac/f9/f9_process.o src/mac/f9/f9_test.o \
+src/mac/hmac/hmac_done.o src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
 src/mac/hmac/hmac_memory_multi.o src/mac/hmac/hmac_process.o src/mac/hmac/hmac_test.o \
 src/mac/omac/omac_done.o src/mac/omac/omac_file.o src/mac/omac/omac_init.o src/mac/omac/omac_memory.o \
 src/mac/omac/omac_memory_multi.o src/mac/omac/omac_process.o src/mac/omac/omac_test.o \
 src/mac/pelican/pelican.o src/mac/pelican/pelican_memory.o src/mac/pelican/pelican_test.o \
 src/mac/pmac/pmac_done.o src/mac/pmac/pmac_file.o src/mac/pmac/pmac_init.o src/mac/pmac/pmac_memory.o \
 src/mac/pmac/pmac_memory_multi.o src/mac/pmac/pmac_ntz.o src/mac/pmac/pmac_process.o \
-src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/misc/base64/base64_decode.o \
+src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/mac/xcbc/xcbc_done.o \
+src/mac/xcbc/xcbc_file.o src/mac/xcbc/xcbc_init.o src/mac/xcbc/xcbc_memory.o \
+src/mac/xcbc/xcbc_memory_multi.o src/mac/xcbc/xcbc_process.o src/mac/xcbc/xcbc_test.o \
+src/math/fp/ltc_ecc_fp_mulmod.o src/math/gmp_desc.o src/math/ltm_desc.o src/math/multi.o \
+src/math/rand_prime.o src/math/tfm_desc.o src/misc/base64/base64_decode.o \
 src/misc/base64/base64_encode.o src/misc/burn_stack.o src/misc/crypt/crypt.o \
 src/misc/crypt/crypt_argchk.o src/misc/crypt/crypt_cipher_descriptor.o \
 src/misc/crypt/crypt_cipher_is_valid.o src/misc/crypt/crypt_find_cipher.o \
 src/misc/crypt/crypt_find_cipher_any.o src/misc/crypt/crypt_find_cipher_id.o \
 src/misc/crypt/crypt_find_hash.o src/misc/crypt/crypt_find_hash_any.o \
-src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_prng.o \
-src/misc/crypt/crypt_hash_descriptor.o src/misc/crypt/crypt_hash_is_valid.o \
+src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_hash_oid.o \
+src/misc/crypt/crypt_find_prng.o src/misc/crypt/crypt_fsa.o src/misc/crypt/crypt_hash_descriptor.o \
+src/misc/crypt/crypt_hash_is_valid.o src/misc/crypt/crypt_ltc_mp_descriptor.o \
 src/misc/crypt/crypt_prng_descriptor.o src/misc/crypt/crypt_prng_is_valid.o \
 src/misc/crypt/crypt_register_cipher.o src/misc/crypt/crypt_register_hash.o \
 src/misc/crypt/crypt_register_prng.o src/misc/crypt/crypt_unregister_cipher.o \
 src/misc/crypt/crypt_unregister_hash.o src/misc/crypt/crypt_unregister_prng.o \
-src/misc/error_to_string.o src/misc/mpi/is_prime.o src/misc/mpi/mpi_to_ltc_error.o \
-src/misc/mpi/rand_prime.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
+src/misc/error_to_string.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
 src/modes/cbc/cbc_decrypt.o src/modes/cbc/cbc_done.o src/modes/cbc/cbc_encrypt.o \
 src/modes/cbc/cbc_getiv.o src/modes/cbc/cbc_setiv.o src/modes/cbc/cbc_start.o \
 src/modes/cfb/cfb_decrypt.o src/modes/cfb/cfb_done.o src/modes/cfb/cfb_encrypt.o \
 src/modes/cfb/cfb_getiv.o src/modes/cfb/cfb_setiv.o src/modes/cfb/cfb_start.o \
 src/modes/ctr/ctr_decrypt.o src/modes/ctr/ctr_done.o src/modes/ctr/ctr_encrypt.o \
-src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o \
+src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o src/modes/ctr/ctr_test.o \
 src/modes/ecb/ecb_decrypt.o src/modes/ecb/ecb_done.o src/modes/ecb/ecb_encrypt.o \
-src/modes/ecb/ecb_start.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
+src/modes/ecb/ecb_start.o src/modes/f8/f8_decrypt.o src/modes/f8/f8_done.o src/modes/f8/f8_encrypt.o \
+src/modes/f8/f8_getiv.o src/modes/f8/f8_setiv.o src/modes/f8/f8_start.o src/modes/f8/f8_test_mode.o \
+src/modes/lrw/lrw_decrypt.o src/modes/lrw/lrw_done.o src/modes/lrw/lrw_encrypt.o \
+src/modes/lrw/lrw_getiv.o src/modes/lrw/lrw_process.o src/modes/lrw/lrw_setiv.o \
+src/modes/lrw/lrw_start.o src/modes/lrw/lrw_test.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
 src/modes/ofb/ofb_encrypt.o src/modes/ofb/ofb_getiv.o src/modes/ofb/ofb_setiv.o \
 src/modes/ofb/ofb_start.o src/pk/asn1/der/bit/der_decode_bit_string.o \
 src/pk/asn1/der/bit/der_encode_bit_string.o src/pk/asn1/der/bit/der_length_bit_string.o \
-src/pk/asn1/der/choice/der_decode_choice.o src/pk/asn1/der/ia5/der_decode_ia5_string.o \
-src/pk/asn1/der/ia5/der_encode_ia5_string.o src/pk/asn1/der/ia5/der_length_ia5_string.o \
-src/pk/asn1/der/integer/der_decode_integer.o src/pk/asn1/der/integer/der_encode_integer.o \
-src/pk/asn1/der/integer/der_length_integer.o \
+src/pk/asn1/der/boolean/der_decode_boolean.o src/pk/asn1/der/boolean/der_encode_boolean.o \
+src/pk/asn1/der/boolean/der_length_boolean.o src/pk/asn1/der/choice/der_decode_choice.o \
+src/pk/asn1/der/ia5/der_decode_ia5_string.o src/pk/asn1/der/ia5/der_encode_ia5_string.o \
+src/pk/asn1/der/ia5/der_length_ia5_string.o src/pk/asn1/der/integer/der_decode_integer.o \
+src/pk/asn1/der/integer/der_encode_integer.o src/pk/asn1/der/integer/der_length_integer.o \
 src/pk/asn1/der/object_identifier/der_decode_object_identifier.o \
 src/pk/asn1/der/object_identifier/der_encode_object_identifier.o \
 src/pk/asn1/der/object_identifier/der_length_object_identifier.o \
@@ -142,29 +169,59 @@ src/pk/asn1/der/octet/der_length_octet_string.o \
 src/pk/asn1/der/printable_string/der_decode_printable_string.o \
 src/pk/asn1/der/printable_string/der_encode_printable_string.o \
 src/pk/asn1/der/printable_string/der_length_printable_string.o \
-src/pk/asn1/der/sequence/der_decode_sequence.o src/pk/asn1/der/sequence/der_decode_sequence_multi.o \
-src/pk/asn1/der/sequence/der_encode_sequence.o src/pk/asn1/der/sequence/der_encode_sequence_multi.o \
-src/pk/asn1/der/sequence/der_length_sequence.o \
-src/pk/asn1/der/short_integer/der_decode_short_integer.o \
+src/pk/asn1/der/sequence/der_decode_sequence_ex.o \
+src/pk/asn1/der/sequence/der_decode_sequence_flexi.o \
+src/pk/asn1/der/sequence/der_decode_sequence_multi.o \
+src/pk/asn1/der/sequence/der_encode_sequence_ex.o \
+src/pk/asn1/der/sequence/der_encode_sequence_multi.o src/pk/asn1/der/sequence/der_length_sequence.o \
+src/pk/asn1/der/sequence/der_sequence_free.o src/pk/asn1/der/set/der_encode_set.o \
+src/pk/asn1/der/set/der_encode_setof.o src/pk/asn1/der/short_integer/der_decode_short_integer.o \
 src/pk/asn1/der/short_integer/der_encode_short_integer.o \
 src/pk/asn1/der/short_integer/der_length_short_integer.o src/pk/asn1/der/utctime/der_decode_utctime.o \
 src/pk/asn1/der/utctime/der_encode_utctime.o src/pk/asn1/der/utctime/der_length_utctime.o \
-src/pk/dh/dh.o src/pk/dsa/dsa_export.o src/pk/dsa/dsa_free.o src/pk/dsa/dsa_import.o \
-src/pk/dsa/dsa_make_key.o src/pk/dsa/dsa_sign_hash.o src/pk/dsa/dsa_verify_hash.o \
-src/pk/dsa/dsa_verify_key.o src/pk/ecc/ecc.o src/pk/packet_store_header.o src/pk/packet_valid_header.o \
-src/pk/pkcs1/pkcs_1_i2osp.o src/pk/pkcs1/pkcs_1_mgf1.o src/pk/pkcs1/pkcs_1_oaep_decode.o \
-src/pk/pkcs1/pkcs_1_oaep_encode.o src/pk/pkcs1/pkcs_1_os2ip.o src/pk/pkcs1/pkcs_1_pss_decode.o \
-src/pk/pkcs1/pkcs_1_pss_encode.o src/pk/rsa/rsa_decrypt_key.o src/pk/rsa/rsa_encrypt_key.o \
+src/pk/asn1/der/utf8/der_decode_utf8_string.o src/pk/asn1/der/utf8/der_encode_utf8_string.o \
+src/pk/asn1/der/utf8/der_length_utf8_string.o src/pk/dsa/dsa_decrypt_key.o \
+src/pk/dsa/dsa_encrypt_key.o src/pk/dsa/dsa_export.o src/pk/dsa/dsa_free.o src/pk/dsa/dsa_import.o \
+src/pk/dsa/dsa_make_key.o src/pk/dsa/dsa_shared_secret.o src/pk/dsa/dsa_sign_hash.o \
+src/pk/dsa/dsa_verify_hash.o src/pk/dsa/dsa_verify_key.o src/pk/ecc/ecc.o \
+src/pk/ecc/ecc_ansi_x963_export.o src/pk/ecc/ecc_ansi_x963_import.o src/pk/ecc/ecc_decrypt_key.o \
+src/pk/ecc/ecc_encrypt_key.o src/pk/ecc/ecc_export.o src/pk/ecc/ecc_free.o src/pk/ecc/ecc_get_size.o \
+src/pk/ecc/ecc_import.o src/pk/ecc/ecc_make_key.o src/pk/ecc/ecc_shared_secret.o \
+src/pk/ecc/ecc_sign_hash.o src/pk/ecc/ecc_sizes.o src/pk/ecc/ecc_test.o src/pk/ecc/ecc_verify_hash.o \
+src/pk/ecc/ltc_ecc_is_valid_idx.o src/pk/ecc/ltc_ecc_map.o src/pk/ecc/ltc_ecc_mul2add.o \
+src/pk/ecc/ltc_ecc_mulmod.o src/pk/ecc/ltc_ecc_mulmod_timing.o src/pk/ecc/ltc_ecc_points.o \
+src/pk/ecc/ltc_ecc_projective_add_point.o src/pk/ecc/ltc_ecc_projective_dbl_point.o \
+src/pk/katja/katja_decrypt_key.o src/pk/katja/katja_encrypt_key.o src/pk/katja/katja_export.o \
+src/pk/katja/katja_exptmod.o src/pk/katja/katja_free.o src/pk/katja/katja_import.o \
+src/pk/katja/katja_make_key.o src/pk/pkcs1/pkcs_1_i2osp.o src/pk/pkcs1/pkcs_1_mgf1.o \
+src/pk/pkcs1/pkcs_1_oaep_decode.o src/pk/pkcs1/pkcs_1_oaep_encode.o src/pk/pkcs1/pkcs_1_os2ip.o \
+src/pk/pkcs1/pkcs_1_pss_decode.o src/pk/pkcs1/pkcs_1_pss_encode.o src/pk/pkcs1/pkcs_1_v1_5_decode.o \
+src/pk/pkcs1/pkcs_1_v1_5_encode.o src/pk/rsa/rsa_decrypt_key.o src/pk/rsa/rsa_encrypt_key.o \
 src/pk/rsa/rsa_export.o src/pk/rsa/rsa_exptmod.o src/pk/rsa/rsa_free.o src/pk/rsa/rsa_import.o \
 src/pk/rsa/rsa_make_key.o src/pk/rsa/rsa_sign_hash.o src/pk/rsa/rsa_verify_hash.o src/prngs/fortuna.o \
 src/prngs/rc4.o src/prngs/rng_get_bytes.o src/prngs/rng_make_prng.o src/prngs/sober128.o \
 src/prngs/sprng.o src/prngs/yarrow.o 
 
-HEADERS=src/headers/tommath_superclass.h src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h \
-src/headers/tomcrypt_macros.h src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h \
-src/headers/tomcrypt_cipher.h src/headers/tomcrypt_pk.h src/headers/tommath_class.h \
-src/headers/ltc_tommath.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_misc.h \
-src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+HEADERS=src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h src/headers/tomcrypt_macros.h \
+src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h src/headers/tomcrypt_cipher.h \
+src/headers/tomcrypt_pk.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_math.h \
+src/headers/tomcrypt_misc.h src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h \
+src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+
+#END_INS
+
+#Who do we install as?
+ifdef INSTALL_USER
+USER=$(INSTALL_USER)
+else
+USER=root
+endif
+
+ifdef INSTALL_GROUP
+GROUP=$(INSTALL_GROUP)
+else
+GROUP=wheel
+endif
 
 #ciphers come in two flavours... enc+dec and enc 
 aes_enc.o: aes.c aes_tab.c
@@ -177,12 +234,6 @@ TVS=demos/tv_gen.o
 TIMINGS=demos/timing.o
 TESTS=demos/test.o
 
-#Files left over from making the crypt.pdf.
-LEFTOVERS=*.dvi *.log *.aux *.toc *.idx *.ilg *.ind
-
-#Compressed filenames
-COMPRESSED=crypt.tar.bz2 crypt.zip crypt.tar.gz
-
 #ciphers come in two flavours... enc+dec and enc 
 src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
 	$(CC) $(CFLAGS) -DENCRYPT_ONLY -c src/ciphers/aes/aes.c -o src/ciphers/aes/aes_enc.o
@@ -191,52 +242,51 @@ src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
 src/ciphers/aes/aes.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
 src/ciphers/twofish/twofish.o: src/ciphers/twofish/twofish.c src/ciphers/twofish/twofish_tab.c
 src/hashes/whirl/whirl.o: src/hashes/whirl/whirl.c src/hashes/whirl/whirltab.c
-src/pk/ecc/ecc.o: src/pk/ecc/ecc.c src/pk/ecc/ecc_sys.c
-src/pk/dh/dh.o: src/pk/dh/dh.c src/pk/dh/dh_sys.c
 src/hashes/sha2/sha512.o: src/hashes/sha2/sha512.c src/hashes/sha2/sha384.c
 src/hashes/sha2/sha256.o: src/hashes/sha2/sha256.c src/hashes/sha2/sha224.c
 
 #This rule makes the libtomcrypt library.
-library: $(LIBTEST) $(LIBNAME)
+library: $(LIBNAME)
 
-$(LIBTEST):
-	cd testprof ; make -f makefile.icc
+testprof/$(LIBTEST):
+	cd testprof ; LIBTEST_S=$(LIBTEST) CFLAGS="$(CFLAGS)" make -f makefile.icc
 
 $(LIBNAME): $(OBJECTS)
 	$(AR) $(ARFLAGS) $@ $(OBJECTS)
-	ranlib $(LIBNAME)
+	ranlib $@
 
 #This rule makes the hash program included with libtomcrypt
 hashsum: library $(HASHOBJECTS)
-	$(CC) $(HASHOBJECTS) $(LIBNAME) -o $(HASH) $(WARN)
+	$(CC) $(HASHOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(HASH) $(WARN)
 
 #makes the crypt program
 crypt: library $(CRYPTOBJECTS)
-	$(CC) $(CRYPTOBJECTS) $(LIBNAME) -o $(CRYPT) $(WARN)
+	$(CC) $(CRYPTOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(CRYPT) $(WARN)
 
 #makes the small program
 small: library $(SMALLOBJECTS)
-	$(CC) $(SMALLOBJECTS) $(LIBNAME) -o $(SMALL) $(WARN)
+	$(CC) $(SMALLOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(SMALL) $(WARN)
 	
 tv_gen: library $(TVS)
-	$(CC) $(TVS) $(LIBNAME) -o $(TV)
+	$(CC) $(TVS) $(LIBNAME) $(EXTRALIBS) -o $(TV)
 
-timing: library $(TIMINGS)
-	$(CC) $(TIMINGS) $(LIBTEST) $(LIBNAME) -o $(TIMING)
+timing: library $(TIMINGS) testprof/$(LIBTEST)
+	$(CC) $(TIMINGS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TIMING)
 
-test: library $(TESTS)
-	$(CC) $(TESTS) $(LIBTEST) $(LIBNAME) -o $(TEST)
+test: library $(TESTS) testprof/$(LIBTEST)
+	$(CC) $(TESTS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TEST)
   
 #This rule installs the library and the header files. This must be run
 #as root in order to have a high enough permission to write to the correct
 #directories and to set the owner and group to root.
 install: library
-	install -d -g root -o root $(DESTDIR)$(LIBPATH)
-	install -d -g root -o root $(DESTDIR)$(INCPATH)
-	install -g root -o root $(LIBNAME) $(DESTDIR)$(LIBPATH)
-	install -g root -o root $(LIBTEST) $(DESTDIR)$(LIBPATH)
-	install -g root -o root $(HEADERS) $(DESTDIR)$(INCPATH)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
+	install -g $(GROUP) -o $(USER) $(LIBNAME) $(DESTDIR)$(LIBPATH)
+	install -g $(GROUP) -o $(USER) $(LIBTEST) $(DESTDIR)$(LIBPATH)
+	install -g $(GROUP) -o $(USER) $(HEADERS) $(DESTDIR)$(INCPATH)
 
 # $Source: /cvs/libtom/libtomcrypt/makefile.icc,v $   
-# $Revision: 1.33 $   
-# $Date: 2005/06/19 18:22:31 $ 
+# $Revision: 1.73 $   
+# $Date: 2006/12/02 19:23:21 $ 
+

libtomcrypt/makefile.msvc

@@ -1,16 +1,12 @@
 #MSVC Makefile [tested with MSVC 6.00 with SP5]
 #
 #Tom St Denis
-CFLAGS = /Isrc/headers/ /Itestprof/ /Ox /DWIN32 /W3 /Fo$@
+CFLAGS = /Isrc/headers/ /Itestprof/ /Ox /DWIN32 /DLTC_SOURCE /W3 /Fo$@ $(CF)
 
-default: library
-
-# leave this blank and link against libtommath if you want better link resolution
-MPIOBJECT=src/misc/mpi/mpi.obj
-
-OBJECTS=src/ciphers/aes/aes_enc.obj $(MPIOBJECT) src/ciphers/aes/aes.obj src/ciphers/anubis.obj \
-src/ciphers/blowfish.obj src/ciphers/cast5.obj src/ciphers/des.obj src/ciphers/khazad.obj src/ciphers/noekeon.obj \
-src/ciphers/rc2.obj src/ciphers/rc5.obj src/ciphers/rc6.obj src/ciphers/safer/safer.obj \
+#START_INS
+OBJECTS=src/ciphers/aes/aes_enc.obj src/ciphers/aes/aes.obj src/ciphers/anubis.obj src/ciphers/blowfish.obj \
+src/ciphers/cast5.obj src/ciphers/des.obj src/ciphers/kasumi.obj src/ciphers/khazad.obj src/ciphers/kseed.obj \
+src/ciphers/noekeon.obj src/ciphers/rc2.obj src/ciphers/rc5.obj src/ciphers/rc6.obj src/ciphers/safer/safer.obj \
 src/ciphers/safer/safer_tab.obj src/ciphers/safer/saferp.obj src/ciphers/skipjack.obj \
 src/ciphers/twofish/twofish.obj src/ciphers/xtea.obj src/encauth/ccm/ccm_memory.obj \
 src/encauth/ccm/ccm_test.obj src/encauth/eax/eax_addheader.obj src/encauth/eax/eax_decrypt.obj \
@@ -18,51 +14,63 @@ src/encauth/eax/eax_decrypt_verify_memory.obj src/encauth/eax/eax_done.obj src/e
 src/encauth/eax/eax_encrypt_authenticate_memory.obj src/encauth/eax/eax_init.obj \
 src/encauth/eax/eax_test.obj src/encauth/gcm/gcm_add_aad.obj src/encauth/gcm/gcm_add_iv.obj \
 src/encauth/gcm/gcm_done.obj src/encauth/gcm/gcm_gf_mult.obj src/encauth/gcm/gcm_init.obj \
-src/encauth/gcm/gcm_memory.obj src/encauth/gcm/gcm_process.obj src/encauth/gcm/gcm_reset.obj \
-src/encauth/gcm/gcm_test.obj src/encauth/ocb/ocb_decrypt.obj src/encauth/ocb/ocb_decrypt_verify_memory.obj \
-src/encauth/ocb/ocb_done_decrypt.obj src/encauth/ocb/ocb_done_encrypt.obj src/encauth/ocb/ocb_encrypt.obj \
+src/encauth/gcm/gcm_memory.obj src/encauth/gcm/gcm_mult_h.obj src/encauth/gcm/gcm_process.obj \
+src/encauth/gcm/gcm_reset.obj src/encauth/gcm/gcm_test.obj src/encauth/ocb/ocb_decrypt.obj \
+src/encauth/ocb/ocb_decrypt_verify_memory.obj src/encauth/ocb/ocb_done_decrypt.obj \
+src/encauth/ocb/ocb_done_encrypt.obj src/encauth/ocb/ocb_encrypt.obj \
 src/encauth/ocb/ocb_encrypt_authenticate_memory.obj src/encauth/ocb/ocb_init.obj src/encauth/ocb/ocb_ntz.obj \
 src/encauth/ocb/ocb_shift_xor.obj src/encauth/ocb/ocb_test.obj src/encauth/ocb/s_ocb_done.obj \
 src/hashes/chc/chc.obj src/hashes/helper/hash_file.obj src/hashes/helper/hash_filehandle.obj \
 src/hashes/helper/hash_memory.obj src/hashes/helper/hash_memory_multi.obj src/hashes/md2.obj src/hashes/md4.obj \
-src/hashes/md5.obj src/hashes/rmd128.obj src/hashes/rmd160.obj src/hashes/sha1.obj src/hashes/sha2/sha256.obj \
-src/hashes/sha2/sha512.obj src/hashes/tiger.obj src/hashes/whirl/whirl.obj src/mac/hmac/hmac_done.obj \
-src/mac/hmac/hmac_file.obj src/mac/hmac/hmac_init.obj src/mac/hmac/hmac_memory.obj \
+src/hashes/md5.obj src/hashes/rmd128.obj src/hashes/rmd160.obj src/hashes/rmd256.obj src/hashes/rmd320.obj \
+src/hashes/sha1.obj src/hashes/sha2/sha256.obj src/hashes/sha2/sha512.obj src/hashes/tiger.obj \
+src/hashes/whirl/whirl.obj src/mac/f9/f9_done.obj src/mac/f9/f9_file.obj src/mac/f9/f9_init.obj \
+src/mac/f9/f9_memory.obj src/mac/f9/f9_memory_multi.obj src/mac/f9/f9_process.obj src/mac/f9/f9_test.obj \
+src/mac/hmac/hmac_done.obj src/mac/hmac/hmac_file.obj src/mac/hmac/hmac_init.obj src/mac/hmac/hmac_memory.obj \
 src/mac/hmac/hmac_memory_multi.obj src/mac/hmac/hmac_process.obj src/mac/hmac/hmac_test.obj \
 src/mac/omac/omac_done.obj src/mac/omac/omac_file.obj src/mac/omac/omac_init.obj src/mac/omac/omac_memory.obj \
 src/mac/omac/omac_memory_multi.obj src/mac/omac/omac_process.obj src/mac/omac/omac_test.obj \
 src/mac/pelican/pelican.obj src/mac/pelican/pelican_memory.obj src/mac/pelican/pelican_test.obj \
 src/mac/pmac/pmac_done.obj src/mac/pmac/pmac_file.obj src/mac/pmac/pmac_init.obj src/mac/pmac/pmac_memory.obj \
 src/mac/pmac/pmac_memory_multi.obj src/mac/pmac/pmac_ntz.obj src/mac/pmac/pmac_process.obj \
-src/mac/pmac/pmac_shift_xor.obj src/mac/pmac/pmac_test.obj src/misc/base64/base64_decode.obj \
+src/mac/pmac/pmac_shift_xor.obj src/mac/pmac/pmac_test.obj src/mac/xcbc/xcbc_done.obj \
+src/mac/xcbc/xcbc_file.obj src/mac/xcbc/xcbc_init.obj src/mac/xcbc/xcbc_memory.obj \
+src/mac/xcbc/xcbc_memory_multi.obj src/mac/xcbc/xcbc_process.obj src/mac/xcbc/xcbc_test.obj \
+src/math/fp/ltc_ecc_fp_mulmod.obj src/math/gmp_desc.obj src/math/ltm_desc.obj src/math/multi.obj \
+src/math/rand_prime.obj src/math/tfm_desc.obj src/misc/base64/base64_decode.obj \
 src/misc/base64/base64_encode.obj src/misc/burn_stack.obj src/misc/crypt/crypt.obj \
 src/misc/crypt/crypt_argchk.obj src/misc/crypt/crypt_cipher_descriptor.obj \
 src/misc/crypt/crypt_cipher_is_valid.obj src/misc/crypt/crypt_find_cipher.obj \
 src/misc/crypt/crypt_find_cipher_any.obj src/misc/crypt/crypt_find_cipher_id.obj \
 src/misc/crypt/crypt_find_hash.obj src/misc/crypt/crypt_find_hash_any.obj \
-src/misc/crypt/crypt_find_hash_id.obj src/misc/crypt/crypt_find_prng.obj \
-src/misc/crypt/crypt_hash_descriptor.obj src/misc/crypt/crypt_hash_is_valid.obj \
+src/misc/crypt/crypt_find_hash_id.obj src/misc/crypt/crypt_find_hash_oid.obj \
+src/misc/crypt/crypt_find_prng.obj src/misc/crypt/crypt_fsa.obj src/misc/crypt/crypt_hash_descriptor.obj \
+src/misc/crypt/crypt_hash_is_valid.obj src/misc/crypt/crypt_ltc_mp_descriptor.obj \
 src/misc/crypt/crypt_prng_descriptor.obj src/misc/crypt/crypt_prng_is_valid.obj \
 src/misc/crypt/crypt_register_cipher.obj src/misc/crypt/crypt_register_hash.obj \
 src/misc/crypt/crypt_register_prng.obj src/misc/crypt/crypt_unregister_cipher.obj \
 src/misc/crypt/crypt_unregister_hash.obj src/misc/crypt/crypt_unregister_prng.obj \
-src/misc/error_to_string.obj src/misc/mpi/is_prime.obj src/misc/mpi/mpi_to_ltc_error.obj \
-src/misc/mpi/rand_prime.obj src/misc/pkcs5/pkcs_5_1.obj src/misc/pkcs5/pkcs_5_2.obj src/misc/zeromem.obj \
+src/misc/error_to_string.obj src/misc/pkcs5/pkcs_5_1.obj src/misc/pkcs5/pkcs_5_2.obj src/misc/zeromem.obj \
 src/modes/cbc/cbc_decrypt.obj src/modes/cbc/cbc_done.obj src/modes/cbc/cbc_encrypt.obj \
 src/modes/cbc/cbc_getiv.obj src/modes/cbc/cbc_setiv.obj src/modes/cbc/cbc_start.obj \
 src/modes/cfb/cfb_decrypt.obj src/modes/cfb/cfb_done.obj src/modes/cfb/cfb_encrypt.obj \
 src/modes/cfb/cfb_getiv.obj src/modes/cfb/cfb_setiv.obj src/modes/cfb/cfb_start.obj \
 src/modes/ctr/ctr_decrypt.obj src/modes/ctr/ctr_done.obj src/modes/ctr/ctr_encrypt.obj \
-src/modes/ctr/ctr_getiv.obj src/modes/ctr/ctr_setiv.obj src/modes/ctr/ctr_start.obj \
+src/modes/ctr/ctr_getiv.obj src/modes/ctr/ctr_setiv.obj src/modes/ctr/ctr_start.obj src/modes/ctr/ctr_test.obj \
 src/modes/ecb/ecb_decrypt.obj src/modes/ecb/ecb_done.obj src/modes/ecb/ecb_encrypt.obj \
-src/modes/ecb/ecb_start.obj src/modes/ofb/ofb_decrypt.obj src/modes/ofb/ofb_done.obj \
+src/modes/ecb/ecb_start.obj src/modes/f8/f8_decrypt.obj src/modes/f8/f8_done.obj src/modes/f8/f8_encrypt.obj \
+src/modes/f8/f8_getiv.obj src/modes/f8/f8_setiv.obj src/modes/f8/f8_start.obj src/modes/f8/f8_test_mode.obj \
+src/modes/lrw/lrw_decrypt.obj src/modes/lrw/lrw_done.obj src/modes/lrw/lrw_encrypt.obj \
+src/modes/lrw/lrw_getiv.obj src/modes/lrw/lrw_process.obj src/modes/lrw/lrw_setiv.obj \
+src/modes/lrw/lrw_start.obj src/modes/lrw/lrw_test.obj src/modes/ofb/ofb_decrypt.obj src/modes/ofb/ofb_done.obj \
 src/modes/ofb/ofb_encrypt.obj src/modes/ofb/ofb_getiv.obj src/modes/ofb/ofb_setiv.obj \
 src/modes/ofb/ofb_start.obj src/pk/asn1/der/bit/der_decode_bit_string.obj \
 src/pk/asn1/der/bit/der_encode_bit_string.obj src/pk/asn1/der/bit/der_length_bit_string.obj \
-src/pk/asn1/der/choice/der_decode_choice.obj src/pk/asn1/der/ia5/der_decode_ia5_string.obj \
-src/pk/asn1/der/ia5/der_encode_ia5_string.obj src/pk/asn1/der/ia5/der_length_ia5_string.obj \
-src/pk/asn1/der/integer/der_decode_integer.obj src/pk/asn1/der/integer/der_encode_integer.obj \
-src/pk/asn1/der/integer/der_length_integer.obj \
+src/pk/asn1/der/boolean/der_decode_boolean.obj src/pk/asn1/der/boolean/der_encode_boolean.obj \
+src/pk/asn1/der/boolean/der_length_boolean.obj src/pk/asn1/der/choice/der_decode_choice.obj \
+src/pk/asn1/der/ia5/der_decode_ia5_string.obj src/pk/asn1/der/ia5/der_encode_ia5_string.obj \
+src/pk/asn1/der/ia5/der_length_ia5_string.obj src/pk/asn1/der/integer/der_decode_integer.obj \
+src/pk/asn1/der/integer/der_encode_integer.obj src/pk/asn1/der/integer/der_length_integer.obj \
 src/pk/asn1/der/object_identifier/der_decode_object_identifier.obj \
 src/pk/asn1/der/object_identifier/der_encode_object_identifier.obj \
 src/pk/asn1/der/object_identifier/der_length_object_identifier.obj \
@@ -71,29 +79,48 @@ src/pk/asn1/der/octet/der_length_octet_string.obj \
 src/pk/asn1/der/printable_string/der_decode_printable_string.obj \
 src/pk/asn1/der/printable_string/der_encode_printable_string.obj \
 src/pk/asn1/der/printable_string/der_length_printable_string.obj \
-src/pk/asn1/der/sequence/der_decode_sequence.obj src/pk/asn1/der/sequence/der_decode_sequence_multi.obj \
-src/pk/asn1/der/sequence/der_encode_sequence.obj src/pk/asn1/der/sequence/der_encode_sequence_multi.obj \
-src/pk/asn1/der/sequence/der_length_sequence.obj \
-src/pk/asn1/der/short_integer/der_decode_short_integer.obj \
+src/pk/asn1/der/sequence/der_decode_sequence_ex.obj \
+src/pk/asn1/der/sequence/der_decode_sequence_flexi.obj \
+src/pk/asn1/der/sequence/der_decode_sequence_multi.obj \
+src/pk/asn1/der/sequence/der_encode_sequence_ex.obj \
+src/pk/asn1/der/sequence/der_encode_sequence_multi.obj src/pk/asn1/der/sequence/der_length_sequence.obj \
+src/pk/asn1/der/sequence/der_sequence_free.obj src/pk/asn1/der/set/der_encode_set.obj \
+src/pk/asn1/der/set/der_encode_setof.obj src/pk/asn1/der/short_integer/der_decode_short_integer.obj \
 src/pk/asn1/der/short_integer/der_encode_short_integer.obj \
 src/pk/asn1/der/short_integer/der_length_short_integer.obj src/pk/asn1/der/utctime/der_decode_utctime.obj \
 src/pk/asn1/der/utctime/der_encode_utctime.obj src/pk/asn1/der/utctime/der_length_utctime.obj \
-src/pk/dh/dh.obj src/pk/dsa/dsa_export.obj src/pk/dsa/dsa_free.obj src/pk/dsa/dsa_import.obj \
-src/pk/dsa/dsa_make_key.obj src/pk/dsa/dsa_sign_hash.obj src/pk/dsa/dsa_verify_hash.obj \
-src/pk/dsa/dsa_verify_key.obj src/pk/ecc/ecc.obj src/pk/packet_store_header.obj src/pk/packet_valid_header.obj \
-src/pk/pkcs1/pkcs_1_i2osp.obj src/pk/pkcs1/pkcs_1_mgf1.obj src/pk/pkcs1/pkcs_1_oaep_decode.obj \
-src/pk/pkcs1/pkcs_1_oaep_encode.obj src/pk/pkcs1/pkcs_1_os2ip.obj src/pk/pkcs1/pkcs_1_pss_decode.obj \
-src/pk/pkcs1/pkcs_1_pss_encode.obj src/pk/rsa/rsa_decrypt_key.obj src/pk/rsa/rsa_encrypt_key.obj \
+src/pk/asn1/der/utf8/der_decode_utf8_string.obj src/pk/asn1/der/utf8/der_encode_utf8_string.obj \
+src/pk/asn1/der/utf8/der_length_utf8_string.obj src/pk/dsa/dsa_decrypt_key.obj \
+src/pk/dsa/dsa_encrypt_key.obj src/pk/dsa/dsa_export.obj src/pk/dsa/dsa_free.obj src/pk/dsa/dsa_import.obj \
+src/pk/dsa/dsa_make_key.obj src/pk/dsa/dsa_shared_secret.obj src/pk/dsa/dsa_sign_hash.obj \
+src/pk/dsa/dsa_verify_hash.obj src/pk/dsa/dsa_verify_key.obj src/pk/ecc/ecc.obj \
+src/pk/ecc/ecc_ansi_x963_export.obj src/pk/ecc/ecc_ansi_x963_import.obj src/pk/ecc/ecc_decrypt_key.obj \
+src/pk/ecc/ecc_encrypt_key.obj src/pk/ecc/ecc_export.obj src/pk/ecc/ecc_free.obj src/pk/ecc/ecc_get_size.obj \
+src/pk/ecc/ecc_import.obj src/pk/ecc/ecc_make_key.obj src/pk/ecc/ecc_shared_secret.obj \
+src/pk/ecc/ecc_sign_hash.obj src/pk/ecc/ecc_sizes.obj src/pk/ecc/ecc_test.obj src/pk/ecc/ecc_verify_hash.obj \
+src/pk/ecc/ltc_ecc_is_valid_idx.obj src/pk/ecc/ltc_ecc_map.obj src/pk/ecc/ltc_ecc_mul2add.obj \
+src/pk/ecc/ltc_ecc_mulmod.obj src/pk/ecc/ltc_ecc_mulmod_timing.obj src/pk/ecc/ltc_ecc_points.obj \
+src/pk/ecc/ltc_ecc_projective_add_point.obj src/pk/ecc/ltc_ecc_projective_dbl_point.obj \
+src/pk/katja/katja_decrypt_key.obj src/pk/katja/katja_encrypt_key.obj src/pk/katja/katja_export.obj \
+src/pk/katja/katja_exptmod.obj src/pk/katja/katja_free.obj src/pk/katja/katja_import.obj \
+src/pk/katja/katja_make_key.obj src/pk/pkcs1/pkcs_1_i2osp.obj src/pk/pkcs1/pkcs_1_mgf1.obj \
+src/pk/pkcs1/pkcs_1_oaep_decode.obj src/pk/pkcs1/pkcs_1_oaep_encode.obj src/pk/pkcs1/pkcs_1_os2ip.obj \
+src/pk/pkcs1/pkcs_1_pss_decode.obj src/pk/pkcs1/pkcs_1_pss_encode.obj src/pk/pkcs1/pkcs_1_v1_5_decode.obj \
+src/pk/pkcs1/pkcs_1_v1_5_encode.obj src/pk/rsa/rsa_decrypt_key.obj src/pk/rsa/rsa_encrypt_key.obj \
 src/pk/rsa/rsa_export.obj src/pk/rsa/rsa_exptmod.obj src/pk/rsa/rsa_free.obj src/pk/rsa/rsa_import.obj \
 src/pk/rsa/rsa_make_key.obj src/pk/rsa/rsa_sign_hash.obj src/pk/rsa/rsa_verify_hash.obj src/prngs/fortuna.obj \
 src/prngs/rc4.obj src/prngs/rng_get_bytes.obj src/prngs/rng_make_prng.obj src/prngs/sober128.obj \
 src/prngs/sprng.obj src/prngs/yarrow.obj 
 
-HEADERS=src/headers/tommath_superclass.h src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h \
-src/headers/tomcrypt_macros.h src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h \
-src/headers/tomcrypt_cipher.h src/headers/tomcrypt_pk.h src/headers/tommath_class.h \
-src/headers/ltc_tommath.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_misc.h \
-src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+HEADERS=src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h src/headers/tomcrypt_macros.h \
+src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h src/headers/tomcrypt_cipher.h \
+src/headers/tomcrypt_pk.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_math.h \
+src/headers/tomcrypt_misc.h src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h \
+src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+
+#END_INS
+
+default: library
 
 #ciphers come in two flavours... enc+dec and enc
 src/ciphers/aes/aes_enc.obj: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
@@ -106,17 +133,17 @@ library: $(OBJECTS)
 	cd ..
 	
 tv_gen: demos/tv_gen.c library
-	cl $(CFLAGS) demos/tv_gen.c tomcrypt.lib advapi32.lib 
+	cl $(CFLAGS) demos/tv_gen.c tomcrypt.lib advapi32.lib $(EXTRALIBS)
 
 hashsum: demos/hashsum.c library
-	cl $(CFLAGS) demos/hashsum.c tomcrypt.lib advapi32.lib
+	cl $(CFLAGS) demos/hashsum.c tomcrypt.lib advapi32.lib $(EXTRALIBS)
 
 test: demos/test.c library
-	cl $(CFLAGS) demos/test.c testprof/tomcrypt_prof.lib tomcrypt.lib advapi32.lib
+	cl $(CFLAGS) demos/test.c testprof/tomcrypt_prof.lib tomcrypt.lib advapi32.lib $(EXTRALIBS)
 
 timing: demos/timing.c library
-	cl $(CFLAGS) demos/timing.c testprof/tomcrypt_prof.lib tomcrypt.lib advapi32.lib
+	cl $(CFLAGS) demos/timing.c testprof/tomcrypt_prof.lib tomcrypt.lib advapi32.lib $(EXTRALIBS)
 
 # $Source: /cvs/libtom/libtomcrypt/makefile.msvc,v $   
-# $Revision: 1.15 $   
-# $Date: 2005/06/27 12:37:06 $ 
+# $Revision: 1.51 $   
+# $Date: 2006/12/02 19:23:21 $ 

libtomcrypt/makefile.shared

@@ -6,17 +6,25 @@
 # Tom St Denis
 
 # The version
-VERSION=0:105
+VERSION=0:116
 
 # Compiler and Linker Names
-CC=libtool --mode=compile gcc
+CC=libtool --mode=compile --tag=CC gcc 
+
+# ranlib tools
+ifndef RANLIB
+   RANLIB=ranlib
+endif
 
 # Compilation flags. Note the += does not write over the user's CFLAGS!
-CFLAGS += -c -I./src/headers/ -Wall -Wsign-compare -W -Wshadow 
+CFLAGS += -c -I./src/headers/ -Wall -Wsign-compare -W -Wshadow -DLTC_SOURCE
 
 # additional warnings (newer GCC 3.4 and higher)
-#CFLAGS += -Wsystem-headers -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wmissing-prototypes \
-#			 -Wmissing-declarations -Wpointer-arith 
+ifdef GCC_34
+CFLAGS += -Wsystem-headers -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wmissing-prototypes \
+			 -Wmissing-declarations -Wpointer-arith 
+endif
+
 
 ifndef IGNORE_SPEED
 
@@ -39,8 +47,19 @@ endif
 #CFLAGS += -DLTC_NO_ROLC
 
 #Output filenames for various targets.
-LIBTEST=libtomcrypt_prof.la
-LIBNAME=libtomcrypt.la
+ifndef LIBTEST_S
+   LIBTEST_S=libtomcrypt_prof.a
+endif
+ifndef LIBTEST
+   LIBTEST=libtomcrypt_prof.la
+endif
+ifndef LIBNAME
+   LIBNAME=libtomcrypt.la
+endif
+ifndef LIBNAME_S
+   LIBNAME_S=libtomcrypt.a
+endif
+
 HASH=hashsum
 CRYPT=encrypt
 SMALL=small
@@ -52,10 +71,18 @@ TIMING=timing
 #LIBPATH-The directory for libtomcrypt to be installed to.
 #INCPATH-The directory to install the header files for libtomcrypt.
 #DATAPATH-The directory to install the pdf docs.
-DESTDIR=
-LIBPATH=/usr/lib
-INCPATH=/usr/include
-DATAPATH=/usr/share/doc/libtomcrypt/pdf
+ifndef DESTDIR
+   DESTDIR=
+endif
+ifndef LIBPATH
+   LIBPATH=/usr/lib
+endif
+ifndef INCPATH
+   INCPATH=/usr/include
+endif
+ifndef DATAPATH
+   DATAPATH=/usr/share/doc/libtomcrypt/pdf
+endif
 
 #Who do we install as?
 ifdef INSTALL_USER
@@ -71,18 +98,10 @@ GROUP=wheel
 endif
 
 #List of objects to compile.
-
-#Leave MPI built-in or force developer to link against libtommath?
-ifndef IGNORE_MPI
-MPIOBJECT=src/misc/mpi/mpi.o
-else 
-#If you don't want mpi.o then add this
-MPISHARED=$(LIBPATH)/libtommath.la
-endif
-
-OBJECTS=src/ciphers/aes/aes_enc.o $(MPIOBJECT) src/ciphers/aes/aes.o src/ciphers/anubis.o \
-src/ciphers/blowfish.o src/ciphers/cast5.o src/ciphers/des.o src/ciphers/khazad.o src/ciphers/noekeon.o \
-src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
+#START_INS
+OBJECTS=src/ciphers/aes/aes_enc.o src/ciphers/aes/aes.o src/ciphers/anubis.o src/ciphers/blowfish.o \
+src/ciphers/cast5.o src/ciphers/des.o src/ciphers/kasumi.o src/ciphers/khazad.o src/ciphers/kseed.o \
+src/ciphers/noekeon.o src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
 src/ciphers/safer/safer_tab.o src/ciphers/safer/saferp.o src/ciphers/skipjack.o \
 src/ciphers/twofish/twofish.o src/ciphers/xtea.o src/encauth/ccm/ccm_memory.o \
 src/encauth/ccm/ccm_test.o src/encauth/eax/eax_addheader.o src/encauth/eax/eax_decrypt.o \
@@ -90,51 +109,63 @@ src/encauth/eax/eax_decrypt_verify_memory.o src/encauth/eax/eax_done.o src/encau
 src/encauth/eax/eax_encrypt_authenticate_memory.o src/encauth/eax/eax_init.o \
 src/encauth/eax/eax_test.o src/encauth/gcm/gcm_add_aad.o src/encauth/gcm/gcm_add_iv.o \
 src/encauth/gcm/gcm_done.o src/encauth/gcm/gcm_gf_mult.o src/encauth/gcm/gcm_init.o \
-src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_process.o src/encauth/gcm/gcm_reset.o \
-src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o src/encauth/ocb/ocb_decrypt_verify_memory.o \
-src/encauth/ocb/ocb_done_decrypt.o src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
+src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_mult_h.o src/encauth/gcm/gcm_process.o \
+src/encauth/gcm/gcm_reset.o src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o \
+src/encauth/ocb/ocb_decrypt_verify_memory.o src/encauth/ocb/ocb_done_decrypt.o \
+src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
 src/encauth/ocb/ocb_encrypt_authenticate_memory.o src/encauth/ocb/ocb_init.o src/encauth/ocb/ocb_ntz.o \
 src/encauth/ocb/ocb_shift_xor.o src/encauth/ocb/ocb_test.o src/encauth/ocb/s_ocb_done.o \
 src/hashes/chc/chc.o src/hashes/helper/hash_file.o src/hashes/helper/hash_filehandle.o \
 src/hashes/helper/hash_memory.o src/hashes/helper/hash_memory_multi.o src/hashes/md2.o src/hashes/md4.o \
-src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/sha1.o src/hashes/sha2/sha256.o \
-src/hashes/sha2/sha512.o src/hashes/tiger.o src/hashes/whirl/whirl.o src/mac/hmac/hmac_done.o \
-src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
+src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/rmd256.o src/hashes/rmd320.o \
+src/hashes/sha1.o src/hashes/sha2/sha256.o src/hashes/sha2/sha512.o src/hashes/tiger.o \
+src/hashes/whirl/whirl.o src/mac/f9/f9_done.o src/mac/f9/f9_file.o src/mac/f9/f9_init.o \
+src/mac/f9/f9_memory.o src/mac/f9/f9_memory_multi.o src/mac/f9/f9_process.o src/mac/f9/f9_test.o \
+src/mac/hmac/hmac_done.o src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
 src/mac/hmac/hmac_memory_multi.o src/mac/hmac/hmac_process.o src/mac/hmac/hmac_test.o \
 src/mac/omac/omac_done.o src/mac/omac/omac_file.o src/mac/omac/omac_init.o src/mac/omac/omac_memory.o \
 src/mac/omac/omac_memory_multi.o src/mac/omac/omac_process.o src/mac/omac/omac_test.o \
 src/mac/pelican/pelican.o src/mac/pelican/pelican_memory.o src/mac/pelican/pelican_test.o \
 src/mac/pmac/pmac_done.o src/mac/pmac/pmac_file.o src/mac/pmac/pmac_init.o src/mac/pmac/pmac_memory.o \
 src/mac/pmac/pmac_memory_multi.o src/mac/pmac/pmac_ntz.o src/mac/pmac/pmac_process.o \
-src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/misc/base64/base64_decode.o \
+src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/mac/xcbc/xcbc_done.o \
+src/mac/xcbc/xcbc_file.o src/mac/xcbc/xcbc_init.o src/mac/xcbc/xcbc_memory.o \
+src/mac/xcbc/xcbc_memory_multi.o src/mac/xcbc/xcbc_process.o src/mac/xcbc/xcbc_test.o \
+src/math/fp/ltc_ecc_fp_mulmod.o src/math/gmp_desc.o src/math/ltm_desc.o src/math/multi.o \
+src/math/rand_prime.o src/math/tfm_desc.o src/misc/base64/base64_decode.o \
 src/misc/base64/base64_encode.o src/misc/burn_stack.o src/misc/crypt/crypt.o \
 src/misc/crypt/crypt_argchk.o src/misc/crypt/crypt_cipher_descriptor.o \
 src/misc/crypt/crypt_cipher_is_valid.o src/misc/crypt/crypt_find_cipher.o \
 src/misc/crypt/crypt_find_cipher_any.o src/misc/crypt/crypt_find_cipher_id.o \
 src/misc/crypt/crypt_find_hash.o src/misc/crypt/crypt_find_hash_any.o \
-src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_prng.o \
-src/misc/crypt/crypt_hash_descriptor.o src/misc/crypt/crypt_hash_is_valid.o \
+src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_hash_oid.o \
+src/misc/crypt/crypt_find_prng.o src/misc/crypt/crypt_fsa.o src/misc/crypt/crypt_hash_descriptor.o \
+src/misc/crypt/crypt_hash_is_valid.o src/misc/crypt/crypt_ltc_mp_descriptor.o \
 src/misc/crypt/crypt_prng_descriptor.o src/misc/crypt/crypt_prng_is_valid.o \
 src/misc/crypt/crypt_register_cipher.o src/misc/crypt/crypt_register_hash.o \
 src/misc/crypt/crypt_register_prng.o src/misc/crypt/crypt_unregister_cipher.o \
 src/misc/crypt/crypt_unregister_hash.o src/misc/crypt/crypt_unregister_prng.o \
-src/misc/error_to_string.o src/misc/mpi/is_prime.o src/misc/mpi/mpi_to_ltc_error.o \
-src/misc/mpi/rand_prime.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
+src/misc/error_to_string.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
 src/modes/cbc/cbc_decrypt.o src/modes/cbc/cbc_done.o src/modes/cbc/cbc_encrypt.o \
 src/modes/cbc/cbc_getiv.o src/modes/cbc/cbc_setiv.o src/modes/cbc/cbc_start.o \
 src/modes/cfb/cfb_decrypt.o src/modes/cfb/cfb_done.o src/modes/cfb/cfb_encrypt.o \
 src/modes/cfb/cfb_getiv.o src/modes/cfb/cfb_setiv.o src/modes/cfb/cfb_start.o \
 src/modes/ctr/ctr_decrypt.o src/modes/ctr/ctr_done.o src/modes/ctr/ctr_encrypt.o \
-src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o \
+src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o src/modes/ctr/ctr_test.o \
 src/modes/ecb/ecb_decrypt.o src/modes/ecb/ecb_done.o src/modes/ecb/ecb_encrypt.o \
-src/modes/ecb/ecb_start.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
+src/modes/ecb/ecb_start.o src/modes/f8/f8_decrypt.o src/modes/f8/f8_done.o src/modes/f8/f8_encrypt.o \
+src/modes/f8/f8_getiv.o src/modes/f8/f8_setiv.o src/modes/f8/f8_start.o src/modes/f8/f8_test_mode.o \
+src/modes/lrw/lrw_decrypt.o src/modes/lrw/lrw_done.o src/modes/lrw/lrw_encrypt.o \
+src/modes/lrw/lrw_getiv.o src/modes/lrw/lrw_process.o src/modes/lrw/lrw_setiv.o \
+src/modes/lrw/lrw_start.o src/modes/lrw/lrw_test.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
 src/modes/ofb/ofb_encrypt.o src/modes/ofb/ofb_getiv.o src/modes/ofb/ofb_setiv.o \
 src/modes/ofb/ofb_start.o src/pk/asn1/der/bit/der_decode_bit_string.o \
 src/pk/asn1/der/bit/der_encode_bit_string.o src/pk/asn1/der/bit/der_length_bit_string.o \
-src/pk/asn1/der/choice/der_decode_choice.o src/pk/asn1/der/ia5/der_decode_ia5_string.o \
-src/pk/asn1/der/ia5/der_encode_ia5_string.o src/pk/asn1/der/ia5/der_length_ia5_string.o \
-src/pk/asn1/der/integer/der_decode_integer.o src/pk/asn1/der/integer/der_encode_integer.o \
-src/pk/asn1/der/integer/der_length_integer.o \
+src/pk/asn1/der/boolean/der_decode_boolean.o src/pk/asn1/der/boolean/der_encode_boolean.o \
+src/pk/asn1/der/boolean/der_length_boolean.o src/pk/asn1/der/choice/der_decode_choice.o \
+src/pk/asn1/der/ia5/der_decode_ia5_string.o src/pk/asn1/der/ia5/der_encode_ia5_string.o \
+src/pk/asn1/der/ia5/der_length_ia5_string.o src/pk/asn1/der/integer/der_decode_integer.o \
+src/pk/asn1/der/integer/der_encode_integer.o src/pk/asn1/der/integer/der_length_integer.o \
 src/pk/asn1/der/object_identifier/der_decode_object_identifier.o \
 src/pk/asn1/der/object_identifier/der_encode_object_identifier.o \
 src/pk/asn1/der/object_identifier/der_length_object_identifier.o \
@@ -143,29 +174,46 @@ src/pk/asn1/der/octet/der_length_octet_string.o \
 src/pk/asn1/der/printable_string/der_decode_printable_string.o \
 src/pk/asn1/der/printable_string/der_encode_printable_string.o \
 src/pk/asn1/der/printable_string/der_length_printable_string.o \
-src/pk/asn1/der/sequence/der_decode_sequence.o src/pk/asn1/der/sequence/der_decode_sequence_multi.o \
-src/pk/asn1/der/sequence/der_encode_sequence.o src/pk/asn1/der/sequence/der_encode_sequence_multi.o \
-src/pk/asn1/der/sequence/der_length_sequence.o \
-src/pk/asn1/der/short_integer/der_decode_short_integer.o \
+src/pk/asn1/der/sequence/der_decode_sequence_ex.o \
+src/pk/asn1/der/sequence/der_decode_sequence_flexi.o \
+src/pk/asn1/der/sequence/der_decode_sequence_multi.o \
+src/pk/asn1/der/sequence/der_encode_sequence_ex.o \
+src/pk/asn1/der/sequence/der_encode_sequence_multi.o src/pk/asn1/der/sequence/der_length_sequence.o \
+src/pk/asn1/der/sequence/der_sequence_free.o src/pk/asn1/der/set/der_encode_set.o \
+src/pk/asn1/der/set/der_encode_setof.o src/pk/asn1/der/short_integer/der_decode_short_integer.o \
 src/pk/asn1/der/short_integer/der_encode_short_integer.o \
 src/pk/asn1/der/short_integer/der_length_short_integer.o src/pk/asn1/der/utctime/der_decode_utctime.o \
 src/pk/asn1/der/utctime/der_encode_utctime.o src/pk/asn1/der/utctime/der_length_utctime.o \
-src/pk/dh/dh.o src/pk/dsa/dsa_export.o src/pk/dsa/dsa_free.o src/pk/dsa/dsa_import.o \
-src/pk/dsa/dsa_make_key.o src/pk/dsa/dsa_sign_hash.o src/pk/dsa/dsa_verify_hash.o \
-src/pk/dsa/dsa_verify_key.o src/pk/ecc/ecc.o src/pk/packet_store_header.o src/pk/packet_valid_header.o \
-src/pk/pkcs1/pkcs_1_i2osp.o src/pk/pkcs1/pkcs_1_mgf1.o src/pk/pkcs1/pkcs_1_oaep_decode.o \
-src/pk/pkcs1/pkcs_1_oaep_encode.o src/pk/pkcs1/pkcs_1_os2ip.o src/pk/pkcs1/pkcs_1_pss_decode.o \
-src/pk/pkcs1/pkcs_1_pss_encode.o src/pk/rsa/rsa_decrypt_key.o src/pk/rsa/rsa_encrypt_key.o \
+src/pk/asn1/der/utf8/der_decode_utf8_string.o src/pk/asn1/der/utf8/der_encode_utf8_string.o \
+src/pk/asn1/der/utf8/der_length_utf8_string.o src/pk/dsa/dsa_decrypt_key.o \
+src/pk/dsa/dsa_encrypt_key.o src/pk/dsa/dsa_export.o src/pk/dsa/dsa_free.o src/pk/dsa/dsa_import.o \
+src/pk/dsa/dsa_make_key.o src/pk/dsa/dsa_shared_secret.o src/pk/dsa/dsa_sign_hash.o \
+src/pk/dsa/dsa_verify_hash.o src/pk/dsa/dsa_verify_key.o src/pk/ecc/ecc.o \
+src/pk/ecc/ecc_ansi_x963_export.o src/pk/ecc/ecc_ansi_x963_import.o src/pk/ecc/ecc_decrypt_key.o \
+src/pk/ecc/ecc_encrypt_key.o src/pk/ecc/ecc_export.o src/pk/ecc/ecc_free.o src/pk/ecc/ecc_get_size.o \
+src/pk/ecc/ecc_import.o src/pk/ecc/ecc_make_key.o src/pk/ecc/ecc_shared_secret.o \
+src/pk/ecc/ecc_sign_hash.o src/pk/ecc/ecc_sizes.o src/pk/ecc/ecc_test.o src/pk/ecc/ecc_verify_hash.o \
+src/pk/ecc/ltc_ecc_is_valid_idx.o src/pk/ecc/ltc_ecc_map.o src/pk/ecc/ltc_ecc_mul2add.o \
+src/pk/ecc/ltc_ecc_mulmod.o src/pk/ecc/ltc_ecc_mulmod_timing.o src/pk/ecc/ltc_ecc_points.o \
+src/pk/ecc/ltc_ecc_projective_add_point.o src/pk/ecc/ltc_ecc_projective_dbl_point.o \
+src/pk/katja/katja_decrypt_key.o src/pk/katja/katja_encrypt_key.o src/pk/katja/katja_export.o \
+src/pk/katja/katja_exptmod.o src/pk/katja/katja_free.o src/pk/katja/katja_import.o \
+src/pk/katja/katja_make_key.o src/pk/pkcs1/pkcs_1_i2osp.o src/pk/pkcs1/pkcs_1_mgf1.o \
+src/pk/pkcs1/pkcs_1_oaep_decode.o src/pk/pkcs1/pkcs_1_oaep_encode.o src/pk/pkcs1/pkcs_1_os2ip.o \
+src/pk/pkcs1/pkcs_1_pss_decode.o src/pk/pkcs1/pkcs_1_pss_encode.o src/pk/pkcs1/pkcs_1_v1_5_decode.o \
+src/pk/pkcs1/pkcs_1_v1_5_encode.o src/pk/rsa/rsa_decrypt_key.o src/pk/rsa/rsa_encrypt_key.o \
 src/pk/rsa/rsa_export.o src/pk/rsa/rsa_exptmod.o src/pk/rsa/rsa_free.o src/pk/rsa/rsa_import.o \
 src/pk/rsa/rsa_make_key.o src/pk/rsa/rsa_sign_hash.o src/pk/rsa/rsa_verify_hash.o src/prngs/fortuna.o \
 src/prngs/rc4.o src/prngs/rng_get_bytes.o src/prngs/rng_make_prng.o src/prngs/sober128.o \
 src/prngs/sprng.o src/prngs/yarrow.o 
 
-HEADERS=src/headers/tommath_superclass.h src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h \
-src/headers/tomcrypt_macros.h src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h \
-src/headers/tomcrypt_cipher.h src/headers/tomcrypt_pk.h src/headers/tommath_class.h \
-src/headers/ltc_tommath.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_misc.h \
-src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+HEADERS=src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h src/headers/tomcrypt_macros.h \
+src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h src/headers/tomcrypt_cipher.h \
+src/headers/tomcrypt_pk.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_math.h \
+src/headers/tomcrypt_misc.h src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h \
+src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+
+#END_INS
 
 TESTOBJECTS=demos/test.o
 HASHOBJECTS=demos/hashsum.o
@@ -186,44 +234,46 @@ src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
 src/ciphers/aes/aes.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
 src/ciphers/twofish/twofish.o: src/ciphers/twofish/twofish.c src/ciphers/twofish/twofish_tab.c
 src/hashes/whirl/whirl.o: src/hashes/whirl/whirl.c src/hashes/whirl/whirltab.c
-src/pk/ecc/ecc.o: src/pk/ecc/ecc.c src/pk/ecc/ecc_sys.c
-src/pk/dh/dh.o: src/pk/dh/dh.c src/pk/dh/dh_sys.c
 src/hashes/sha2/sha512.o: src/hashes/sha2/sha512.c src/hashes/sha2/sha384.c
 src/hashes/sha2/sha256.o: src/hashes/sha2/sha256.c src/hashes/sha2/sha224.c
 
 #This rule makes the libtomcrypt library.
 library: $(LIBNAME)
 
-$(LIBTEST):
-	cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBNAME=$(LIBTEST) make -f makefile.shared
+testprof/$(LIBTEST):
+	cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBTEST=$(LIBTEST) LIBTEST_S=$(LIBTEST_S) make -f makefile.shared
 
-$(LIBNAME): $(OBJECTS)
-	libtool --silent --mode=link gcc $(CFLAGS) `find . -type f | grep "[.]lo" | grep "src/" | xargs` -o libtomcrypt.la -rpath $(LIBPATH) -version-info $(VERSION)
-	libtool --silent --mode=link gcc $(CFLAGS) `find . -type f | grep "[.]o" | grep "src/" | xargs`  -o libtomcrypt.a
-	ranlib libtomcrypt.a
-	libtool --silent --mode=install install -c libtomcrypt.la $(LIBPATH)/libtomcrypt.la
+objs: $(OBJECTS)
+
+$(LIBNAME): $(OBJECTS) testprof/$(LIBTEST)
+	libtool --silent --mode=link gcc $(CFLAGS) `find . -type f | grep "[.]lo" | grep "src/" | xargs` $(EXTRALIBS) -o $(LIBNAME) -rpath $(LIBPATH) -version-info $(VERSION)
+
+install: $(LIBNAME)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
+	cd testprof ; CFLAGS="$(CFLAGS)" GROUP=$(GROUP) USER=$(USER) VERSION=$(VERSION) LIBPATH=$(LIBPATH) LIBTEST=$(LIBTEST) LIBTEST_S=$(LIBTEST_S) DESTDIR=$(DESTDIR) make -f makefile.shared install
+	libtool --silent --mode=install install -c libtomcrypt.la $(DESTDIR)$(LIBPATH)/libtomcrypt.la
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
 	install -g $(GROUP) -o $(USER) $(HEADERS) $(DESTDIR)$(INCPATH)
 
 #This rule makes the hash program included with libtomcrypt
 hashsum: library
 	gcc $(CFLAGS) demos/hashsum.c -o hashsum.o
-	gcc -o hashsum hashsum.o -ltomcrypt $(MPISHARED)
+	gcc -o hashsum hashsum.o -ltomcrypt $(EXTRALIBS)
 
 #makes the crypt program
 crypt: library 
 	gcc $(CFLAGS) demos/encrypt.c -o encrypt.o
-	gcc -o crypt encrypt.o -ltomcrypt $(MPISHARED)
+	gcc -o crypt encrypt.o -ltomcrypt $(EXTRALIBS)
 
 tv_gen: library $(TVS)
-	gcc -o tv_gen $(TVS) -ltomcrypt $(MPISHARED)
+	gcc -o tv_gen $(TVS) -ltomcrypt $(EXTRALIBS)
 
-test: library $(LIBTEST) $(TESTS)
-	gcc -o $(TEST) $(TESTS) -ltomcrypt_prof -ltomcrypt $(MPISHARED)
+test: library testprof/$(LIBTEST) $(TESTS)
+	gcc -o $(TEST) $(TESTS) -ltomcrypt_prof -ltomcrypt $(EXTRALIBS)
 
-timing: library $(LIBTEST) $(TIMINGS)
-	gcc -o $(TIMING) $(TIMINGS) -ltomcrypt_prof -ltomcrypt $(MPISHARED)
+timing: library testprof/$(LIBTEST) $(TIMINGS)
+	gcc -o $(TIMING) $(TIMINGS) -ltomcrypt_prof -ltomcrypt $(EXTRALIBS)
 
 # $Source: /cvs/libtom/libtomcrypt/makefile.shared,v $   
-# $Revision: 1.19 $   
-# $Date: 2005/06/27 12:37:06 $ 
+# $Revision: 1.76 $   
+# $Date: 2006/12/02 19:23:21 $ 

libtomcrypt/makefile.unix

@@ -0,0 +1,239 @@
+# MAKEFILE for bsd make
+#
+# Tom St Denis
+
+# Compiler and Linker Names
+CC=cc
+LD=ld
+
+# Archiver [makes .a files]
+AR=ar
+ARFLAGS=r
+
+# Compilation flags. Note the += does not write over the user's CFLAGS!
+CFLAGS = -c -I./testprof/ -I./src/headers/ -DLTC_SOURCE -O2 ${CFLAGS_OPTS} -o $@
+
+LIBNAME=libtomcrypt.a
+LIBTEST=libtomcrypt_prof.a
+LIBTEST_S=$(LIBTEST)
+
+HASH=hashsum
+CRYPT=encrypt
+SMALL=small
+PROF=x86_prof
+TV=tv_gen
+MULTI=multi
+TIMING=timing
+TEST=test
+
+#LIBPATH-The directory for libtomcrypt to be installed to.
+#INCPATH-The directory to install the header files for libtomcrypt.
+#DATAPATH-The directory to install the pdf docs.
+LIBPATH=/usr/local/lib
+INCPATH=/usr/local/include
+DATAPATH=/usr/local/share/doc/libtomcrypt/pdf
+
+#Who do we install as?
+USER=root
+
+GROUP=wheel
+
+#List of objects to compile.
+#START_INS
+OBJECTS=src/ciphers/aes/aes_enc.o src/ciphers/aes/aes.o src/ciphers/anubis.o src/ciphers/blowfish.o \
+src/ciphers/cast5.o src/ciphers/des.o src/ciphers/kasumi.o src/ciphers/khazad.o src/ciphers/kseed.o \
+src/ciphers/noekeon.o src/ciphers/rc2.o src/ciphers/rc5.o src/ciphers/rc6.o src/ciphers/safer/safer.o \
+src/ciphers/safer/safer_tab.o src/ciphers/safer/saferp.o src/ciphers/skipjack.o \
+src/ciphers/twofish/twofish.o src/ciphers/xtea.o src/encauth/ccm/ccm_memory.o \
+src/encauth/ccm/ccm_test.o src/encauth/eax/eax_addheader.o src/encauth/eax/eax_decrypt.o \
+src/encauth/eax/eax_decrypt_verify_memory.o src/encauth/eax/eax_done.o src/encauth/eax/eax_encrypt.o \
+src/encauth/eax/eax_encrypt_authenticate_memory.o src/encauth/eax/eax_init.o \
+src/encauth/eax/eax_test.o src/encauth/gcm/gcm_add_aad.o src/encauth/gcm/gcm_add_iv.o \
+src/encauth/gcm/gcm_done.o src/encauth/gcm/gcm_gf_mult.o src/encauth/gcm/gcm_init.o \
+src/encauth/gcm/gcm_memory.o src/encauth/gcm/gcm_mult_h.o src/encauth/gcm/gcm_process.o \
+src/encauth/gcm/gcm_reset.o src/encauth/gcm/gcm_test.o src/encauth/ocb/ocb_decrypt.o \
+src/encauth/ocb/ocb_decrypt_verify_memory.o src/encauth/ocb/ocb_done_decrypt.o \
+src/encauth/ocb/ocb_done_encrypt.o src/encauth/ocb/ocb_encrypt.o \
+src/encauth/ocb/ocb_encrypt_authenticate_memory.o src/encauth/ocb/ocb_init.o src/encauth/ocb/ocb_ntz.o \
+src/encauth/ocb/ocb_shift_xor.o src/encauth/ocb/ocb_test.o src/encauth/ocb/s_ocb_done.o \
+src/hashes/chc/chc.o src/hashes/helper/hash_file.o src/hashes/helper/hash_filehandle.o \
+src/hashes/helper/hash_memory.o src/hashes/helper/hash_memory_multi.o src/hashes/md2.o src/hashes/md4.o \
+src/hashes/md5.o src/hashes/rmd128.o src/hashes/rmd160.o src/hashes/rmd256.o src/hashes/rmd320.o \
+src/hashes/sha1.o src/hashes/sha2/sha256.o src/hashes/sha2/sha512.o src/hashes/tiger.o \
+src/hashes/whirl/whirl.o src/mac/f9/f9_done.o src/mac/f9/f9_file.o src/mac/f9/f9_init.o \
+src/mac/f9/f9_memory.o src/mac/f9/f9_memory_multi.o src/mac/f9/f9_process.o src/mac/f9/f9_test.o \
+src/mac/hmac/hmac_done.o src/mac/hmac/hmac_file.o src/mac/hmac/hmac_init.o src/mac/hmac/hmac_memory.o \
+src/mac/hmac/hmac_memory_multi.o src/mac/hmac/hmac_process.o src/mac/hmac/hmac_test.o \
+src/mac/omac/omac_done.o src/mac/omac/omac_file.o src/mac/omac/omac_init.o src/mac/omac/omac_memory.o \
+src/mac/omac/omac_memory_multi.o src/mac/omac/omac_process.o src/mac/omac/omac_test.o \
+src/mac/pelican/pelican.o src/mac/pelican/pelican_memory.o src/mac/pelican/pelican_test.o \
+src/mac/pmac/pmac_done.o src/mac/pmac/pmac_file.o src/mac/pmac/pmac_init.o src/mac/pmac/pmac_memory.o \
+src/mac/pmac/pmac_memory_multi.o src/mac/pmac/pmac_ntz.o src/mac/pmac/pmac_process.o \
+src/mac/pmac/pmac_shift_xor.o src/mac/pmac/pmac_test.o src/mac/xcbc/xcbc_done.o \
+src/mac/xcbc/xcbc_file.o src/mac/xcbc/xcbc_init.o src/mac/xcbc/xcbc_memory.o \
+src/mac/xcbc/xcbc_memory_multi.o src/mac/xcbc/xcbc_process.o src/mac/xcbc/xcbc_test.o \
+src/math/fp/ltc_ecc_fp_mulmod.o src/math/gmp_desc.o src/math/ltm_desc.o src/math/multi.o \
+src/math/rand_prime.o src/math/tfm_desc.o src/misc/base64/base64_decode.o \
+src/misc/base64/base64_encode.o src/misc/burn_stack.o src/misc/crypt/crypt.o \
+src/misc/crypt/crypt_argchk.o src/misc/crypt/crypt_cipher_descriptor.o \
+src/misc/crypt/crypt_cipher_is_valid.o src/misc/crypt/crypt_find_cipher.o \
+src/misc/crypt/crypt_find_cipher_any.o src/misc/crypt/crypt_find_cipher_id.o \
+src/misc/crypt/crypt_find_hash.o src/misc/crypt/crypt_find_hash_any.o \
+src/misc/crypt/crypt_find_hash_id.o src/misc/crypt/crypt_find_hash_oid.o \
+src/misc/crypt/crypt_find_prng.o src/misc/crypt/crypt_fsa.o src/misc/crypt/crypt_hash_descriptor.o \
+src/misc/crypt/crypt_hash_is_valid.o src/misc/crypt/crypt_ltc_mp_descriptor.o \
+src/misc/crypt/crypt_prng_descriptor.o src/misc/crypt/crypt_prng_is_valid.o \
+src/misc/crypt/crypt_register_cipher.o src/misc/crypt/crypt_register_hash.o \
+src/misc/crypt/crypt_register_prng.o src/misc/crypt/crypt_unregister_cipher.o \
+src/misc/crypt/crypt_unregister_hash.o src/misc/crypt/crypt_unregister_prng.o \
+src/misc/error_to_string.o src/misc/pkcs5/pkcs_5_1.o src/misc/pkcs5/pkcs_5_2.o src/misc/zeromem.o \
+src/modes/cbc/cbc_decrypt.o src/modes/cbc/cbc_done.o src/modes/cbc/cbc_encrypt.o \
+src/modes/cbc/cbc_getiv.o src/modes/cbc/cbc_setiv.o src/modes/cbc/cbc_start.o \
+src/modes/cfb/cfb_decrypt.o src/modes/cfb/cfb_done.o src/modes/cfb/cfb_encrypt.o \
+src/modes/cfb/cfb_getiv.o src/modes/cfb/cfb_setiv.o src/modes/cfb/cfb_start.o \
+src/modes/ctr/ctr_decrypt.o src/modes/ctr/ctr_done.o src/modes/ctr/ctr_encrypt.o \
+src/modes/ctr/ctr_getiv.o src/modes/ctr/ctr_setiv.o src/modes/ctr/ctr_start.o src/modes/ctr/ctr_test.o \
+src/modes/ecb/ecb_decrypt.o src/modes/ecb/ecb_done.o src/modes/ecb/ecb_encrypt.o \
+src/modes/ecb/ecb_start.o src/modes/f8/f8_decrypt.o src/modes/f8/f8_done.o src/modes/f8/f8_encrypt.o \
+src/modes/f8/f8_getiv.o src/modes/f8/f8_setiv.o src/modes/f8/f8_start.o src/modes/f8/f8_test_mode.o \
+src/modes/lrw/lrw_decrypt.o src/modes/lrw/lrw_done.o src/modes/lrw/lrw_encrypt.o \
+src/modes/lrw/lrw_getiv.o src/modes/lrw/lrw_process.o src/modes/lrw/lrw_setiv.o \
+src/modes/lrw/lrw_start.o src/modes/lrw/lrw_test.o src/modes/ofb/ofb_decrypt.o src/modes/ofb/ofb_done.o \
+src/modes/ofb/ofb_encrypt.o src/modes/ofb/ofb_getiv.o src/modes/ofb/ofb_setiv.o \
+src/modes/ofb/ofb_start.o src/pk/asn1/der/bit/der_decode_bit_string.o \
+src/pk/asn1/der/bit/der_encode_bit_string.o src/pk/asn1/der/bit/der_length_bit_string.o \
+src/pk/asn1/der/boolean/der_decode_boolean.o src/pk/asn1/der/boolean/der_encode_boolean.o \
+src/pk/asn1/der/boolean/der_length_boolean.o src/pk/asn1/der/choice/der_decode_choice.o \
+src/pk/asn1/der/ia5/der_decode_ia5_string.o src/pk/asn1/der/ia5/der_encode_ia5_string.o \
+src/pk/asn1/der/ia5/der_length_ia5_string.o src/pk/asn1/der/integer/der_decode_integer.o \
+src/pk/asn1/der/integer/der_encode_integer.o src/pk/asn1/der/integer/der_length_integer.o \
+src/pk/asn1/der/object_identifier/der_decode_object_identifier.o \
+src/pk/asn1/der/object_identifier/der_encode_object_identifier.o \
+src/pk/asn1/der/object_identifier/der_length_object_identifier.o \
+src/pk/asn1/der/octet/der_decode_octet_string.o src/pk/asn1/der/octet/der_encode_octet_string.o \
+src/pk/asn1/der/octet/der_length_octet_string.o \
+src/pk/asn1/der/printable_string/der_decode_printable_string.o \
+src/pk/asn1/der/printable_string/der_encode_printable_string.o \
+src/pk/asn1/der/printable_string/der_length_printable_string.o \
+src/pk/asn1/der/sequence/der_decode_sequence_ex.o \
+src/pk/asn1/der/sequence/der_decode_sequence_flexi.o \
+src/pk/asn1/der/sequence/der_decode_sequence_multi.o \
+src/pk/asn1/der/sequence/der_encode_sequence_ex.o \
+src/pk/asn1/der/sequence/der_encode_sequence_multi.o src/pk/asn1/der/sequence/der_length_sequence.o \
+src/pk/asn1/der/sequence/der_sequence_free.o src/pk/asn1/der/set/der_encode_set.o \
+src/pk/asn1/der/set/der_encode_setof.o src/pk/asn1/der/short_integer/der_decode_short_integer.o \
+src/pk/asn1/der/short_integer/der_encode_short_integer.o \
+src/pk/asn1/der/short_integer/der_length_short_integer.o src/pk/asn1/der/utctime/der_decode_utctime.o \
+src/pk/asn1/der/utctime/der_encode_utctime.o src/pk/asn1/der/utctime/der_length_utctime.o \
+src/pk/asn1/der/utf8/der_decode_utf8_string.o src/pk/asn1/der/utf8/der_encode_utf8_string.o \
+src/pk/asn1/der/utf8/der_length_utf8_string.o src/pk/dsa/dsa_decrypt_key.o \
+src/pk/dsa/dsa_encrypt_key.o src/pk/dsa/dsa_export.o src/pk/dsa/dsa_free.o src/pk/dsa/dsa_import.o \
+src/pk/dsa/dsa_make_key.o src/pk/dsa/dsa_shared_secret.o src/pk/dsa/dsa_sign_hash.o \
+src/pk/dsa/dsa_verify_hash.o src/pk/dsa/dsa_verify_key.o src/pk/ecc/ecc.o \
+src/pk/ecc/ecc_ansi_x963_export.o src/pk/ecc/ecc_ansi_x963_import.o src/pk/ecc/ecc_decrypt_key.o \
+src/pk/ecc/ecc_encrypt_key.o src/pk/ecc/ecc_export.o src/pk/ecc/ecc_free.o src/pk/ecc/ecc_get_size.o \
+src/pk/ecc/ecc_import.o src/pk/ecc/ecc_make_key.o src/pk/ecc/ecc_shared_secret.o \
+src/pk/ecc/ecc_sign_hash.o src/pk/ecc/ecc_sizes.o src/pk/ecc/ecc_test.o src/pk/ecc/ecc_verify_hash.o \
+src/pk/ecc/ltc_ecc_is_valid_idx.o src/pk/ecc/ltc_ecc_map.o src/pk/ecc/ltc_ecc_mul2add.o \
+src/pk/ecc/ltc_ecc_mulmod.o src/pk/ecc/ltc_ecc_mulmod_timing.o src/pk/ecc/ltc_ecc_points.o \
+src/pk/ecc/ltc_ecc_projective_add_point.o src/pk/ecc/ltc_ecc_projective_dbl_point.o \
+src/pk/katja/katja_decrypt_key.o src/pk/katja/katja_encrypt_key.o src/pk/katja/katja_export.o \
+src/pk/katja/katja_exptmod.o src/pk/katja/katja_free.o src/pk/katja/katja_import.o \
+src/pk/katja/katja_make_key.o src/pk/pkcs1/pkcs_1_i2osp.o src/pk/pkcs1/pkcs_1_mgf1.o \
+src/pk/pkcs1/pkcs_1_oaep_decode.o src/pk/pkcs1/pkcs_1_oaep_encode.o src/pk/pkcs1/pkcs_1_os2ip.o \
+src/pk/pkcs1/pkcs_1_pss_decode.o src/pk/pkcs1/pkcs_1_pss_encode.o src/pk/pkcs1/pkcs_1_v1_5_decode.o \
+src/pk/pkcs1/pkcs_1_v1_5_encode.o src/pk/rsa/rsa_decrypt_key.o src/pk/rsa/rsa_encrypt_key.o \
+src/pk/rsa/rsa_export.o src/pk/rsa/rsa_exptmod.o src/pk/rsa/rsa_free.o src/pk/rsa/rsa_import.o \
+src/pk/rsa/rsa_make_key.o src/pk/rsa/rsa_sign_hash.o src/pk/rsa/rsa_verify_hash.o src/prngs/fortuna.o \
+src/prngs/rc4.o src/prngs/rng_get_bytes.o src/prngs/rng_make_prng.o src/prngs/sober128.o \
+src/prngs/sprng.o src/prngs/yarrow.o 
+
+HEADERS=src/headers/tomcrypt_cfg.h src/headers/tomcrypt_mac.h src/headers/tomcrypt_macros.h \
+src/headers/tomcrypt_custom.h src/headers/tomcrypt_argchk.h src/headers/tomcrypt_cipher.h \
+src/headers/tomcrypt_pk.h src/headers/tomcrypt_hash.h src/headers/tomcrypt_math.h \
+src/headers/tomcrypt_misc.h src/headers/tomcrypt.h src/headers/tomcrypt_pkcs.h \
+src/headers/tomcrypt_prng.h testprof/tomcrypt_test.h
+
+#END_INS
+
+TESTOBJECTS=demos/test.o
+HASHOBJECTS=demos/hashsum.o
+CRYPTOBJECTS=demos/encrypt.o
+SMALLOBJECTS=demos/small.o
+TVS=demos/tv_gen.o
+MULTIS=demos/multi.o
+TIMINGS=demos/timing.o
+TESTS=demos/test.o
+
+#Files left over from making the crypt.pdf.
+LEFTOVERS=*.dvi *.log *.aux *.toc *.idx *.ilg *.ind *.out
+
+#Compressed filenames
+COMPRESSED=crypt-$(VERSION).tar.bz2 crypt-$(VERSION).zip
+
+#The default rule for make builds the libtomcrypt library.
+default:library
+
+#ciphers come in two flavours... enc+dec and enc 
+src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
+	$(CC) $(CFLAGS) -DENCRYPT_ONLY -c src/ciphers/aes/aes.c -o src/ciphers/aes/aes_enc.o
+
+#These are the rules to make certain object files.
+src/ciphers/aes/aes.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
+src/ciphers/twofish/twofish.o: src/ciphers/twofish/twofish.c src/ciphers/twofish/twofish_tab.c
+src/hashes/whirl/whirl.o: src/hashes/whirl/whirl.c src/hashes/whirl/whirltab.c
+src/hashes/sha2/sha512.o: src/hashes/sha2/sha512.c src/hashes/sha2/sha384.c
+src/hashes/sha2/sha256.o: src/hashes/sha2/sha256.c src/hashes/sha2/sha224.c
+
+#This rule makes the libtomcrypt library.
+library: $(LIBNAME)
+
+testprof/$(LIBTEST): 
+	cd testprof ; CFLAGS="$(CFLAGS)" LIBTEST_S=$(LIBTEST_S) $(MAKE) 
+
+$(LIBNAME): $(OBJECTS)
+	$(AR) $(ARFLAGS) $@ $(OBJECTS)
+	$(RANLIB) $@
+
+#This rule makes the hash program included with libtomcrypt
+hashsum: library $(HASHOBJECTS)
+	$(CC) $(HASHOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(HASH) $(WARN)
+
+#makes the crypt program
+crypt: library $(CRYPTOBJECTS)
+	$(CC) $(CRYPTOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(CRYPT) $(WARN)
+
+#makes the small program
+small: library $(SMALLOBJECTS)
+	$(CC) $(SMALLOBJECTS) $(LIBNAME) $(EXTRALIBS) -o $(SMALL) $(WARN)
+	
+tv_gen: library $(TVS)
+	$(CC) $(LDFLAGS) $(TVS) $(LIBNAME) $(EXTRALIBS) -o $(TV)
+
+multi: library $(MULTIS)
+	$(CC) $(MULTIS) $(LIBNAME) $(EXTRALIBS) -o $(MULTI)
+
+timing: library testprof/$(LIBTEST) $(TIMINGS)
+	$(CC) $(LDFLAGS) $(TIMINGS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TIMING)
+
+test: library testprof/$(LIBTEST) $(TESTS)
+	$(CC) $(LDFLAGS) $(TESTS) testprof/$(LIBTEST) $(LIBNAME) $(EXTRALIBS) -o $(TEST)
+
+#This rule installs the library and the header files. This must be run
+#as root in order to have a high enough permission to write to the correct
+#directories and to set the owner and group to root.
+install: library
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(DATAPATH)
+	install -g $(GROUP) -o $(USER) $(LIBNAME) $(DESTDIR)$(LIBPATH)
+	install -g $(GROUP) -o $(USER) $(HEADERS) $(DESTDIR)$(INCPATH)
+
+install_test: testprof/$(LIBTEST)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
+	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
+	install -g $(GROUP) -o $(USER) testprof/$(LIBTEST) $(DESTDIR)$(LIBPATH)
+
+# $Source: /cvs/libtom/libtomcrypt/makefile.unix,v $ 
+# $Revision: 1.4 $ 
+# $Date: 2006/12/02 19:23:21 $ 

libtomcrypt/mess.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
-if cvs log $1 >/dev/null 2>/dev/null; then exit 0; else echo "$1 shouldn't be here" ; exit 1; fi
+if cvs log $1 >/dev/null 2>/dev/null; then exit 0; else echo "$1 shouldn't be here, removed"; rm -f $1 ; fi
 
 

libtomcrypt/notes/lrw_tv.txt

@@ -0,0 +1,126 @@
+16:931b40b97cd1d1338d4a4abdf96d1f45
+16:000102030405060708090a0b0c0d0e0f
+32:85e82fe5e8b426cf04bd96d9aed318fb5dae89a1dfb854a09f556b61c5ac918b
+32:000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
+48:dd7aad6c6d10176e25eb97e165ba612a2b6275d97667102f20af20ec2630c7ccb4f5772a3e009948f1ea91f3bbaf7e04
+48:000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f
+64:338509ed021eecd249cb15cdd440a84ff9d6704b99e8e52e9d057f152b742a5e3b9c314574026c76fc887fb404a12d669eea9460c1fa08e1867c2c0274408b9e
+64:000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f
+80:8a9cbff36874de7da3e20e9a26691eef944ff78a72341515ae20c2199688ff92f039a19dc6d517e017ef36647834debee90bf80ba20a7caf24964bcb0bb3a621f8203ce5428461d3ee72ead7aeb201a9
+80:000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f
+96:06eb66a88b9667296b8644cda3464a27e3e2d8b6b3d0a9ffbebfd48f3967952ce161d8867900b0a7a44638a6e41b9a9dc53bf183a85a4ee33bb6f6c2d64b8cb54bfbb8625ff5cd3965aa08b460737b575da0b8f4123751cf8f0ae801c5856712
+96:000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f
+112:7af5a2b1381a8bc5aa2bdd4370b88d680c34ba9332d1d9f6e203c4d9fdbf5ece39fe5afb5871490a180c4b102665823dabe1079656f24969bf84267d3264f92cbbc610f26203536d387333938d1a52f4076df1aa0a114f3b0182da12c3a5d87bdc8eff54f80b0d56f7044ba372ee6366
+112:000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f606162636465666768696a6b6c6d6e6f
+128:814fe82674b98d54671869e3fd705f76e353761bf61cfc635fbb23037d8a0e0dfc13c6c0e34f8c79d4444ac314d4918773265b3fb5866a997e270d5ea8891f0217ec6749df281d790dfbbec8adc504404cc0a6f11e91d0ee6c19abdc67b0c22ea4d9fa218320a694dca53cf522c761e426e0cd57e49b73a5d765cb4bc571e888
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libtomcrypt/notes/tech0005.txt

@@ -9,10 +9,12 @@ Tweaking...
 
 You can disable whole classes of algorithms on the command line with the LTC_NO_* defines.  From there you can manually turn on what you want to enable.  
 
-The following build with GCC 3.4.3 on an AMD64 box gets you AES, CTR mode, SHA-256, HMAC, Yarrow, full RSA PKCS #1, PKCS #5, ASN.1 DER and MPI in 
-roughly 80KB of code.
+The following build with GCC 3.4.4 on an AMD64 box gets you AES, CTR mode, SHA-256, HMAC, Yarrow, full RSA PKCS #1, PKCS #5 and ASN.1 DER in 
+roughly 40KB of code (49KB on the ARMv4) (both excluding the math library).
 
-CFLAGS="-DSC_RSA_1 -DLTC_NO_CIPHERS -DLTC_NO_HASHES -DLTC_NO_PRNGS -DLTC_NO_MACS -DLTC_NO_MODES -DLTC_NO_PK -DRIJNDAEL -DCTR -DSHA256 \
--DHMAC -DYARROW -DMRSA -DMPI -Os -fomit-frame-pointer" make IGNORE_SPEED=1
+CFLAGS="-DLTC_NO_CIPHERS -DLTC_NO_HASHES -DLTC_NO_PRNGS -DLTC_NO_MACS -DLTC_NO_MODES -DLTC_NO_PK -DRIJNDAEL -DLTC_CTR_MODE -DSHA256 \
+-DLTC_HMAC -DYARROW -DMRSA -DMPI -DTFM_DESC -DARGTYPE=3 -Os -DLTC_SMALL_CODE -fomit-frame-pointer" make IGNORE_SPEED=1
+
+Obviously this won't get you performance but if you need to pack a crypto lib in a device with limited means it's more than enough...
 
 Neato eh?

libtomcrypt/notes/tech0007.txt

@@ -0,0 +1,5 @@
+Tech Note #7
+Quick building for testing with LTM
+
+EXTRALIBS=-ltommath CFLAGS="-g3 -DLTC_NO_ASM -DUSE_LTM -DLTM_DESC" make -j3 IGNORE_SPEED=1 test
+

libtomcrypt/run.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-bash build.sh " $1" "$2 -O2" "$3 IGNORE_SPEED=1"
+bash build.sh " $1" "$2 -O2" "$3 IGNORE_SPEED=1" "$4" "$5"
 if [ -a testok.txt ] && [ -f testok.txt ]; then
    echo
 else
@@ -9,7 +9,7 @@ else
 fi
 
 rm -f testok.txt
-bash build.sh " $1" "$2 -Os" " $3 IGNORE_SPEED=1 LTC_SMALL=1"
+bash build.sh " $1" "$2 -Os" " $3 IGNORE_SPEED=1 LTC_SMALL=1" "$4" "$5"
 if [ -a testok.txt ] && [ -f testok.txt ]; then
    echo
 else
@@ -19,7 +19,7 @@ else
 fi
 
 rm -f testok.txt
-bash build.sh " $1" " $2" " $3"
+bash build.sh " $1" " $2" " $3 " "$4" "$5"
 if [ -a testok.txt ] && [ -f testok.txt ]; then
    echo
 else
@@ -31,5 +31,5 @@ fi
 exit 0
 
 # $Source: /cvs/libtom/libtomcrypt/run.sh,v $   
-# $Revision: 1.13 $   
-# $Date: 2005/05/11 18:59:53 $ 
+# $Revision: 1.15 $   
+# $Date: 2005/07/23 14:18:31 $ 

libtomcrypt/src/ciphers/aes/aes.c

@@ -6,7 +6,7 @@
  * The library is free for all purposes without any express
  * guarantee it works.
  *
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 
 /* AES implementation by Tom St Denis
@@ -50,7 +50,7 @@ const struct ltc_cipher_descriptor rijndael_desc =
     6,
     16, 32, 16, 10,
     SETUP, ECB_ENC, ECB_DEC, ECB_TEST, ECB_DONE, ECB_KS,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 #endif
 
@@ -60,7 +60,7 @@ const struct ltc_cipher_descriptor aes_desc =
     6,
     16, 32, 16, 10,
     SETUP, ECB_ENC, ECB_DEC, ECB_TEST, ECB_DONE, ECB_KS,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 
 #else
@@ -76,7 +76,7 @@ const struct ltc_cipher_descriptor rijndael_enc_desc =
     6,
     16, 32, 16, 10,
     SETUP, ECB_ENC, NULL, NULL, ECB_DONE, ECB_KS,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 
 const struct ltc_cipher_descriptor aes_enc_desc =
@@ -85,7 +85,7 @@ const struct ltc_cipher_descriptor aes_enc_desc =
     6,
     16, 32, 16, 10,
     SETUP, ECB_ENC, NULL, NULL, ECB_DONE, ECB_KS,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 
 #endif
@@ -283,11 +283,12 @@ int SETUP(const unsigned char *key, int keylen, int num_rounds, symmetric_key *s
   @param pt The input plaintext (16 bytes)
   @param ct The output ciphertext (16 bytes)
   @param skey The key as scheduled
+  @return CRYPT_OK if successful
 */
 #ifdef LTC_CLEAN_STACK
-static void _rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) 
+static int _rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) 
 #else
-void ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 #endif
 {
     ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
@@ -309,7 +310,6 @@ void ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
     LOAD32H(s2, pt  +  8); s2 ^= rk[2];
     LOAD32H(s3, pt  + 12); s3 ^= rk[3];
 
-
 #ifdef LTC_SMALL_CODE
 
     for (r = 0; ; r++) {
@@ -442,13 +442,16 @@ void ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
         (Te4_0[byte(t2, 0)]) ^ 
         rk[3];
     STORE32H(s3, ct+12);
+
+    return CRYPT_OK;
 }
 
 #ifdef LTC_CLEAN_STACK
-void ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) 
+int ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) 
 {
-   _rijndael_ecb_encrypt(pt, ct, skey);
+   int err = _rijndael_ecb_encrypt(pt, ct, skey);
    burn_stack(sizeof(unsigned long)*8 + sizeof(unsigned long*) + sizeof(int)*2);
+   return err;
 }
 #endif
 
@@ -459,11 +462,12 @@ void ECB_ENC(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
   @param ct The input ciphertext (16 bytes)
   @param pt The output plaintext (16 bytes)
   @param skey The key as scheduled 
+  @return CRYPT_OK if successful
 */
 #ifdef LTC_CLEAN_STACK
-static void _rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) 
+static int _rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) 
 #else
-void ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 #endif
 {
     ulong32 s0, s1, s2, s3, t0, t1, t2, t3, *rk;
@@ -617,14 +621,17 @@ void ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
         (Td4[byte(t0, 0)] & 0x000000ff) ^
         rk[3];
     STORE32H(s3, pt+12);
+
+    return CRYPT_OK;
 }
 
 
 #ifdef LTC_CLEAN_STACK
-void ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) 
+int ECB_DEC(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) 
 {
-   _rijndael_ecb_decrypt(ct, pt, skey);
+   int err = _rijndael_ecb_decrypt(ct, pt, skey);
    burn_stack(sizeof(unsigned long)*8 + sizeof(unsigned long*) + sizeof(int)*2);
+   return err;
 }
 #endif
 
@@ -683,10 +690,10 @@ int ECB_TEST(void)
   
     rijndael_ecb_encrypt(tests[i].pt, tmp[0], &key);
     rijndael_ecb_decrypt(tmp[0], tmp[1], &key);
-    if (memcmp(tmp[0], tests[i].ct, 16) || memcmp(tmp[1], tests[i].pt, 16)) { 
+    if (XMEMCMP(tmp[0], tests[i].ct, 16) || XMEMCMP(tmp[1], tests[i].pt, 16)) { 
 #if 0
        printf("\n\nTest %d failed\n", i);
-       if (memcmp(tmp[0], tests[i].ct, 16)) {
+       if (XMEMCMP(tmp[0], tests[i].ct, 16)) {
           printf("CT: ");
           for (i = 0; i < 16; i++) {
              printf("%02x ", tmp[0][i]);
@@ -751,5 +758,5 @@ int ECB_KS(int *keysize)
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/aes/aes.c,v $ */
-/* $Revision: 1.8 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.14 $ */
+/* $Date: 2006/11/08 23:01:06 $ */

libtomcrypt/src/ciphers/aes/aes_tab.c

@@ -6,7 +6,7 @@
  * The library is free for all purposes without any express
  * guarantee it works.
  *
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 /* The precomputed tables for AES */
 /*
@@ -94,6 +94,7 @@ static const ulong32 TE0[256] = {
     0x7bb0b0cbUL, 0xa85454fcUL, 0x6dbbbbd6UL, 0x2c16163aUL,
 };
 
+#ifndef PELI_TAB
 static const ulong32 Te4[256] = {
     0x63636363UL, 0x7c7c7c7cUL, 0x77777777UL, 0x7b7b7b7bUL,
     0xf2f2f2f2UL, 0x6b6b6b6bUL, 0x6f6f6f6fUL, 0xc5c5c5c5UL,
@@ -160,6 +161,7 @@ static const ulong32 Te4[256] = {
     0x41414141UL, 0x99999999UL, 0x2d2d2d2dUL, 0x0f0f0f0fUL,
     0xb0b0b0b0UL, 0x54545454UL, 0xbbbbbbbbUL, 0x16161616UL,
 };
+#endif
 
 #ifndef ENCRYPT_ONLY
 
@@ -528,6 +530,7 @@ static const ulong32 TE3[256] = {
     0xb0b0cb7bUL, 0x5454fca8UL, 0xbbbbd66dUL, 0x16163a2cUL,
 };
 
+#ifndef PELI_TAB
 static const ulong32 Te4_0[] = {
 0x00000063UL, 0x0000007cUL, 0x00000077UL, 0x0000007bUL, 0x000000f2UL, 0x0000006bUL, 0x0000006fUL, 0x000000c5UL, 
 0x00000030UL, 0x00000001UL, 0x00000067UL, 0x0000002bUL, 0x000000feUL, 0x000000d7UL, 0x000000abUL, 0x00000076UL, 
@@ -667,6 +670,7 @@ static const ulong32 Te4_3[] = {
 0x8c000000UL, 0xa1000000UL, 0x89000000UL, 0x0d000000UL, 0xbf000000UL, 0xe6000000UL, 0x42000000UL, 0x68000000UL, 
 0x41000000UL, 0x99000000UL, 0x2d000000UL, 0x0f000000UL, 0xb0000000UL, 0x54000000UL, 0xbb000000UL, 0x16000000UL
 };
+#endif /* pelimac */
 
 #ifndef ENCRYPT_ONLY
 
@@ -1020,5 +1024,5 @@ static const ulong32 rcon[] = {
 };
 
 /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/aes/aes_tab.c,v $ */
-/* $Revision: 1.3 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/04/02 13:19:09 $ */

libtomcrypt/src/ciphers/blowfish.c

@@ -6,7 +6,7 @@
  * The library is free for all purposes without any express
  * guarantee it works.
  *
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
 /**
   @file blowfish.c
@@ -27,7 +27,7 @@ const struct ltc_cipher_descriptor blowfish_desc =
     &blowfish_test,
     &blowfish_done,
     &blowfish_keysize,
-    NULL, NULL, NULL, NULL, NULL, NULL, NULL
+    NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 
 static const ulong32 ORIG_P[16 + 2] = {
@@ -385,11 +385,12 @@ int blowfish_setup(const unsigned char *key, int keylen, int num_rounds,
   @param pt The input plaintext (8 bytes)
   @param ct The output ciphertext (8 bytes)
   @param skey The key as scheduled
+  @return CRYPT_OK if successful
 */
 #ifdef LTC_CLEAN_STACK
-static void _blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+static int _blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 #else
-void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 #endif
 {
    ulong32 L, R;
@@ -428,13 +429,16 @@ void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_
    /* store */
    STORE32H(R, &ct[0]);
    STORE32H(L, &ct[4]);
+
+   return CRYPT_OK;
 }
 
 #ifdef LTC_CLEAN_STACK
-void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 {
-    _blowfish_ecb_encrypt(pt, ct, skey);
+    int err = _blowfish_ecb_encrypt(pt, ct, skey);
     burn_stack(sizeof(ulong32) * 2 + sizeof(int));
+    return err;
 }
 #endif
 
@@ -443,11 +447,12 @@ void blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_
   @param ct The input ciphertext (8 bytes)
   @param pt The output plaintext (8 bytes)
   @param skey The key as scheduled 
+  @return CRYPT_OK if successful
 */
 #ifdef LTC_CLEAN_STACK
-static void _blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+static int _blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 #else
-void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 #endif
 {
    ulong32 L, R;
@@ -486,13 +491,15 @@ void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_
    /* store */
    STORE32H(L, &pt[0]);
    STORE32H(R, &pt[4]);
+   return CRYPT_OK;
 }
 
 #ifdef LTC_CLEAN_STACK
-void blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 {
-    _blowfish_ecb_decrypt(ct, pt, skey);
+    int err = _blowfish_ecb_decrypt(ct, pt, skey);
     burn_stack(sizeof(ulong32) * 2 + sizeof(int));
+    return err;
 }
 #endif
 
@@ -541,7 +548,7 @@ int blowfish_test(void)
       blowfish_ecb_decrypt(tmp[0], tmp[1], &key);
 
       /* compare */
-      if ((memcmp(tmp[0], tests[x].ct, 8) != 0) || (memcmp(tmp[1], tests[x].pt, 8) != 0)) {
+      if ((XMEMCMP(tmp[0], tests[x].ct, 8) != 0) || (XMEMCMP(tmp[1], tests[x].pt, 8) != 0)) {
          return CRYPT_FAIL_TESTVECTOR;
       }
 
@@ -583,5 +590,5 @@ int blowfish_keysize(int *keysize)
 
 
 /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/blowfish.c,v $ */
-/* $Revision: 1.7 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.12 $ */
+/* $Date: 2006/11/08 23:01:06 $ */

libtomcrypt/src/ciphers/cast5.c

@@ -6,7 +6,7 @@
  * The library is free for all purposes without any express
  * guarantee it works.
  *
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
  */
  
  /** 
@@ -27,7 +27,7 @@ const struct ltc_cipher_descriptor cast5_desc = {
    &cast5_test,
    &cast5_done,
    &cast5_keysize,
-   NULL, NULL, NULL, NULL, NULL, NULL, NULL
+   NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
 };
 
 static const ulong32 S1[256] = {
@@ -536,9 +536,9 @@ INLINE static ulong32 FIII(ulong32 R, ulong32 Km, ulong32 Kr)
   @param skey The key as scheduled
 */
 #ifdef LTC_CLEAN_STACK
-static void _cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+static int _cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 #else
-void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 #endif
 {
    ulong32 R, L;
@@ -569,14 +569,16 @@ void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key
    }
    STORE32H(R,&ct[0]);
    STORE32H(L,&ct[4]);
+   return CRYPT_OK;
 }
 
 
 #ifdef LTC_CLEAN_STACK
-void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
+int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey)
 {
-   _cast5_ecb_encrypt(pt,ct,skey);
+   int err =_cast5_ecb_encrypt(pt,ct,skey);
    burn_stack(sizeof(ulong32)*3);
+   return err;
 }
 #endif
 
@@ -587,9 +589,9 @@ void cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key
   @param skey The key as scheduled 
 */
 #ifdef LTC_CLEAN_STACK
-static void _cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+static int _cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 #else
-void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 #endif
 {
    ulong32 R, L;
@@ -620,13 +622,16 @@ void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key
    L ^= FI(R, skey->cast5.K[0], skey->cast5.K[16]);
    STORE32H(L,&pt[0]);
    STORE32H(R,&pt[4]);
+
+   return CRYPT_OK;
 }
 
 #ifdef LTC_CLEAN_STACK
-void cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
+int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey)
 {
-   _cast5_ecb_decrypt(ct,pt,skey);
+   int err = _cast5_ecb_decrypt(ct,pt,skey);
    burn_stack(sizeof(ulong32)*3);
+   return err;
 }
 #endif
 
@@ -671,7 +676,7 @@ int cast5_test(void)
        }
        cast5_ecb_encrypt(tests[i].pt, tmp[0], &key);
        cast5_ecb_decrypt(tmp[0], tmp[1], &key);
-       if ((memcmp(tmp[0], tests[i].ct, 8) != 0) || (memcmp(tmp[1], tests[i].pt, 8) != 0)) {
+       if ((XMEMCMP(tmp[0], tests[i].ct, 8) != 0) || (XMEMCMP(tmp[1], tests[i].pt, 8) != 0)) {
           return CRYPT_FAIL_TESTVECTOR;
        }
       /* now see if we can encrypt all zero bytes 1000 times, decrypt and come back where we started */
@@ -711,5 +716,5 @@ int cast5_keysize(int *keysize)
 #endif
 
 /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/cast5.c,v $ */
-/* $Revision: 1.7 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.12 $ */
+/* $Date: 2006/11/08 23:01:06 $ */