mirror of
https://github.com/clearml/dropbear
synced 2025-04-27 09:29:31 +00:00
Add generated header default_options.h to version control.
This is a workaround since I cannot figure how to get dependencies to work properly with "make -j"
This commit is contained in:
Matt Johnston
parent
1152e47b52
commit
8c7ebc02a0
26
Makefile.in
26
Makefile.in
@ -161,7 +161,6 @@ inst_%: %
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inst_dropbearmulti: $(addprefix insmulti, $(PROGRAMS))
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# for some reason the rule further down doesn't like $($@objs) as a prereq.
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dropbear: $(dropbearobjs)
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dbclient: $(dbclientobjs)
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@ -200,21 +199,19 @@ link%:
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-rm -f $*$(EXEEXT)
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-ln -s dropbearmulti$(EXEEXT) $*$(EXEEXT)
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$(STATIC_LTC): options.h default_options.h
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cd libtomcrypt && $(MAKE)
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$(STATIC_LTC): options.h
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$(MAKE) -C libtomcrypt
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$(STATIC_LTM): options.h default_options.h
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cd libtommath && $(MAKE)
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%.o: default_options.h
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$(STATIC_LTM): options.h
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$(MAKE) -C libtommath
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.PHONY : clean sizes thisclean distclean tidy ltc-clean ltm-clean
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ltc-clean:
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cd libtomcrypt && $(MAKE) clean
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$(MAKE) -C libtomcrypt clean
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ltm-clean:
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cd libtommath && $(MAKE) clean
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$(MAKE) -C libtommath clean
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sizes: dropbear
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objdump -t dropbear|grep ".text"|cut -d "." -f 2|sort -rn
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@ -223,7 +220,7 @@ clean: ltc-clean ltm-clean thisclean
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thisclean:
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-rm -f dropbear dbclient dropbearkey dropbearconvert scp scp-progress \
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dropbearmulti *.o *.da *.bb *.bbg *.prof default_options.h
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dropbearmulti *.o *.da *.bb *.bbg *.prof
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distclean: clean tidy
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-rm -f config.h
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@ -232,7 +229,10 @@ distclean: clean tidy
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tidy:
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-rm -f *~ *.gcov */*~
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# default_options.h is stored in version control, could not find a workaround
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# for parallel "make -j" and dependency rules.
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default_options.h: default_options.h.in
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echo "# > > > Generated from $^, edit that file instead !" > $@
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echo >> $@
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$(srcdir)/ifndef_wrapper.sh < $^ > $@
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echo "# > > > Generated from $^, edit that file instead !" > $@.tmp
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echo >> $@.tmp
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$(srcdir)/ifndef_wrapper.sh < $^ > $@.tmp
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mv $@.tmp $@
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458
default_options.h
Normal file
458
default_options.h
Normal file
@ -0,0 +1,458 @@
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#ifndef DROPBEAR_DEFAULT_OPTIONS_H_
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#define DROPBEAR_DEFAULT_OPTIONS_H_
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/*
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> > > Read This < < <
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default_options.h.in (this file) documents compile-time options, and provides
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default values.
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Local customisation should be added to localoptions.h which is
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used if it exists. Options defined there will override any options in this
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file (#ifndef guards added by ifndef_wrapper.sh).
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Options can also be defined with -DDROPBEAR_XXX Makefile CFLAGS
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IMPORTANT: Many options will require "make clean" after changes */
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#ifndef DROPBEAR_DEFPORT
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#define DROPBEAR_DEFPORT "22"
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#endif
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/* Listen on all interfaces */
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#ifndef DROPBEAR_DEFADDRESS
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#define DROPBEAR_DEFADDRESS ""
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#endif
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/* Default hostkey paths - these can be specified on the command line */
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#ifndef DSS_PRIV_FILENAME
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#define DSS_PRIV_FILENAME "/etc/dropbear/dropbear_dss_host_key"
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#endif
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#ifndef RSA_PRIV_FILENAME
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#define RSA_PRIV_FILENAME "/etc/dropbear/dropbear_rsa_host_key"
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#endif
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#ifndef ECDSA_PRIV_FILENAME
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#define ECDSA_PRIV_FILENAME "/etc/dropbear/dropbear_ecdsa_host_key"
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#endif
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/* Set NON_INETD_MODE if you require daemon functionality (ie Dropbear listens
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* on chosen ports and keeps accepting connections. This is the default.
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*
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* Set INETD_MODE if you want to be able to run Dropbear with inetd (or
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* similar), where it will use stdin/stdout for connections, and each process
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* lasts for a single connection. Dropbear should be invoked with the -i flag
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* for inetd, and can only accept IPv4 connections.
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*
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* Both of these flags can be defined at once, don't compile without at least
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* one of them. */
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#ifndef NON_INETD_MODE
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#define NON_INETD_MODE 1
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#endif
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#ifndef INETD_MODE
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#define INETD_MODE 1
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#endif
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/* Setting this disables the fast exptmod bignum code. It saves ~5kB, but is
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* perhaps 20% slower for pubkey operations (it is probably worth experimenting
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* if you want to use this) */
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/*#define NO_FAST_EXPTMOD*/
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/* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
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several kB in binary size however will make the symmetrical ciphers and hashes
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slower, perhaps by 50%. Recommended for small systems that aren't doing
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much traffic. */
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#ifndef DROPBEAR_SMALL_CODE
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#define DROPBEAR_SMALL_CODE 1
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#endif
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/* Enable X11 Forwarding - server only */
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#ifndef DROPBEAR_X11FWD
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#define DROPBEAR_X11FWD 1
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#endif
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/* Enable TCP Fowarding */
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/* 'Local' is "-L" style (client listening port forwarded via server)
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* 'Remote' is "-R" style (server listening port forwarded via client) */
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#ifndef DROPBEAR_CLI_LOCALTCPFWD
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#define DROPBEAR_CLI_LOCALTCPFWD 1
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#endif
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#ifndef DROPBEAR_CLI_REMOTETCPFWD
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#define DROPBEAR_CLI_REMOTETCPFWD 1
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#endif
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#ifndef DROPBEAR_SVR_LOCALTCPFWD
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#define DROPBEAR_SVR_LOCALTCPFWD 1
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#endif
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#ifndef DROPBEAR_SVR_REMOTETCPFWD
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#define DROPBEAR_SVR_REMOTETCPFWD 1
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#endif
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/* Enable Authentication Agent Forwarding */
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#ifndef DROPBEAR_SVR_AGENTFWD
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#define DROPBEAR_SVR_AGENTFWD 1
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#endif
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#ifndef DROPBEAR_CLI_AGENTFWD
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#define DROPBEAR_CLI_AGENTFWD 1
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#endif
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/* Note: Both DROPBEAR_CLI_PROXYCMD and DROPBEAR_CLI_NETCAT must be set to
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* allow multihop dbclient connections */
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/* Allow using -J <proxycommand> to run the connection through a
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pipe to a program, rather the normal TCP connection */
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#ifndef DROPBEAR_CLI_PROXYCMD
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#define DROPBEAR_CLI_PROXYCMD 1
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#endif
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/* Enable "Netcat mode" option. This will forward standard input/output
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* to a remote TCP-forwarded connection */
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#ifndef DROPBEAR_CLI_NETCAT
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#define DROPBEAR_CLI_NETCAT 1
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#endif
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/* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
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#ifndef ENABLE_USER_ALGO_LIST
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#define ENABLE_USER_ALGO_LIST 1
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#endif
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/* Encryption - at least one required.
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* Protocol RFC requires 3DES and recommends AES128 for interoperability.
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* Including multiple keysize variants the same cipher
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* (eg AES256 as well as AES128) will result in a minimal size increase.*/
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#ifndef DROPBEAR_AES128
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#define DROPBEAR_AES128 1
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#endif
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#ifndef DROPBEAR_3DES
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#define DROPBEAR_3DES 1
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#endif
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#ifndef DROPBEAR_AES256
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#define DROPBEAR_AES256 1
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#endif
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/* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
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/*#define DROPBEAR_BLOWFISH*/
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#ifndef DROPBEAR_TWOFISH256
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#define DROPBEAR_TWOFISH256 1
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#endif
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#ifndef DROPBEAR_TWOFISH128
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#define DROPBEAR_TWOFISH128 1
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#endif
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/* Enable CBC mode for ciphers. This has security issues though
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* is the most compatible with older SSH implementations */
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#ifndef DROPBEAR_ENABLE_CBC_MODE
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#define DROPBEAR_ENABLE_CBC_MODE 1
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#endif
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/* Enable "Counter Mode" for ciphers. This is more secure than normal
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* CBC mode against certain attacks. It is recommended for security
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* and forwards compatibility */
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#ifndef DROPBEAR_ENABLE_CTR_MODE
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#define DROPBEAR_ENABLE_CTR_MODE 1
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#endif
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/* Twofish counter mode is disabled by default because it
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has not been tested for interoperability with other SSH implementations.
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If you test it please contact the Dropbear author */
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#ifndef DROPBEAR_TWOFISH_CTR
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#define DROPBEAR_TWOFISH_CTR 0
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#endif
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/* Message integrity. sha2-256 is recommended as a default,
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sha1 for compatibility */
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#ifndef DROPBEAR_SHA1_HMAC
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#define DROPBEAR_SHA1_HMAC 1
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#endif
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#ifndef DROPBEAR_SHA1_96_HMAC
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#define DROPBEAR_SHA1_96_HMAC 1
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#endif
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#ifndef DROPBEAR_SHA2_256_HMAC
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#define DROPBEAR_SHA2_256_HMAC 1
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#endif
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/* Default is to include it is sha512 is being compiled in for ECDSA */
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#ifndef DROPBEAR_SHA2_512_HMAC
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#define DROPBEAR_SHA2_512_HMAC (DROPBEAR_ECDSA)
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#endif
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/* XXX needed for fingerprints */
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#ifndef DROPBEAR_MD5_HMAC
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#define DROPBEAR_MD5_HMAC 0
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#endif
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/* Hostkey/public key algorithms - at least one required, these are used
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* for hostkey as well as for verifying signatures with pubkey auth.
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* Removing either of these won't save very much space.
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* RSA is recommended
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* DSS may be necessary to connect to some systems though
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is not recommended for new keys */
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#ifndef DROPBEAR_RSA
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#define DROPBEAR_RSA 1
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#endif
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#ifndef DROPBEAR_DSS
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#define DROPBEAR_DSS 1
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#endif
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/* ECDSA is significantly faster than RSA or DSS. Compiling in ECC
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* code (either ECDSA or ECDH) increases binary size - around 30kB
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* on x86-64 */
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#ifndef DROPBEAR_ECDSA
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#define DROPBEAR_ECDSA 1
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#endif
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/* Add runtime flag "-R" to generate hostkeys as-needed when the first
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connection using that key type occurs.
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This avoids the need to otherwise run "dropbearkey" and avoids some problems
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with badly seeded /dev/urandom when systems first boot. */
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#ifndef DROPBEAR_DELAY_HOSTKEY
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#define DROPBEAR_DELAY_HOSTKEY 1
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#endif
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/* Enable Curve25519 for key exchange. This is another elliptic
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* curve method with good security properties. Increases binary size
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* by ~8kB on x86-64 */
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#ifndef DROPBEAR_CURVE25519
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#define DROPBEAR_CURVE25519 1
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#endif
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/* Enable elliptic curve Diffie Hellman key exchange, see note about
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* ECDSA above */
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#ifndef DROPBEAR_ECDH
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#define DROPBEAR_ECDH 1
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#endif
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/* Key exchange algorithm.
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* group14_sha1 - 2048 bit, sha1
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* group14_sha256 - 2048 bit, sha2-256
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* group16 - 4096 bit, sha2-512
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* group1 - 1024 bit, sha1
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*
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* group14 is supported by most implementations.
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* group16 provides a greater strength level but is slower and increases binary size
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* group1 is too small for security though is necessary if you need
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compatibility with some implementations such as Dropbear versions < 0.53
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*/
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#ifndef DROPBEAR_DH_GROUP1
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#define DROPBEAR_DH_GROUP1 1
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#endif
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#ifndef DROPBEAR_DH_GROUP14_SHA1
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#define DROPBEAR_DH_GROUP14_SHA1 1
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#endif
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#ifndef DROPBEAR_DH_GROUP14_SHA256
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#define DROPBEAR_DH_GROUP14_SHA256 1
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#endif
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#ifndef DROPBEAR_DH_GROUP16
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#define DROPBEAR_DH_GROUP16 0
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#endif
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/* Control the memory/performance/compression tradeoff for zlib.
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* Set windowBits=8 for least memory usage, see your system's
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* zlib.h for full details.
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* Default settings (windowBits=15) will use 256kB for compression
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* windowBits=8 will use 129kB for compression.
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* Both modes will use ~35kB for decompression (using windowBits=15 for
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* interoperability) */
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#ifndef DROPBEAR_ZLIB_WINDOW_BITS
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#define DROPBEAR_ZLIB_WINDOW_BITS 15
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#endif
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/* Whether to do reverse DNS lookups. */
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#ifndef DO_HOST_LOOKUP
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#define DO_HOST_LOOKUP 0
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#endif
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/* Whether to print the message of the day (MOTD). */
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#ifndef DO_MOTD
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#define DO_MOTD 0
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#endif
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/* The MOTD file path */
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#ifndef MOTD_FILENAME
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#define MOTD_FILENAME "/etc/motd"
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#endif
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/* Authentication Types - at least one required.
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RFC Draft requires pubkey auth, and recommends password */
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/* Note: PAM auth is quite simple and only works for PAM modules which just do
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* a simple "Login: " "Password: " (you can edit the strings in svr-authpam.c).
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* It's useful for systems like OS X where standard password crypts don't work
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* but there's an interface via a PAM module. It won't work for more complex
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* PAM challenge/response.
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* You can't enable both PASSWORD and PAM. */
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/* This requires crypt() */
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#ifdef HAVE_CRYPT
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#ifndef DROPBEAR_SVR_PASSWORD_AUTH
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#define DROPBEAR_SVR_PASSWORD_AUTH 1
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#endif
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#else
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#ifndef DROPBEAR_SVR_PASSWORD_AUTH
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#define DROPBEAR_SVR_PASSWORD_AUTH 0
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#endif
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#endif
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/* PAM requires ./configure --enable-pam */
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#ifndef DROPBEAR_SVR_PAM_AUTH
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#define DROPBEAR_SVR_PAM_AUTH 0
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#endif
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#ifndef DROPBEAR_SVR_PUBKEY_AUTH
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#define DROPBEAR_SVR_PUBKEY_AUTH 1
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#endif
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/* Whether to take public key options in
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* authorized_keys file into account */
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#ifndef DROPBEAR_SVR_PUBKEY_OPTIONS
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#define DROPBEAR_SVR_PUBKEY_OPTIONS 1
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#endif
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/* This requires getpass. */
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#ifdef HAVE_GETPASS
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#ifndef DROPBEAR_CLI_PASSWORD_AUTH
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#define DROPBEAR_CLI_PASSWORD_AUTH 1
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#endif
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#ifndef DROPBEAR_CLI_INTERACT_AUTH
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#define DROPBEAR_CLI_INTERACT_AUTH 1
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#endif
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#endif
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#ifndef DROPBEAR_CLI_PUBKEY_AUTH
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#define DROPBEAR_CLI_PUBKEY_AUTH 1
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#endif
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/* A default argument for dbclient -i <privatekey>.
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Homedir is prepended unless path begins with / */
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#ifndef DROPBEAR_DEFAULT_CLI_AUTHKEY
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#define DROPBEAR_DEFAULT_CLI_AUTHKEY ".ssh/id_dropbear"
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#endif
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/* This variable can be used to set a password for client
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* authentication on the commandline. Beware of platforms
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* that don't protect environment variables of processes etc. Also
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* note that it will be provided for all "hidden" client-interactive
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* style prompts - if you want something more sophisticated, use
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* SSH_ASKPASS instead. Comment out this var to remove this functionality.*/
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#ifndef DROPBEAR_PASSWORD_ENV
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#define DROPBEAR_PASSWORD_ENV "DROPBEAR_PASSWORD"
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#endif
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/* Define this (as well as DROPBEAR_CLI_PASSWORD_AUTH) to allow the use of
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* a helper program for the ssh client. The helper program should be
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* specified in the SSH_ASKPASS environment variable, and dbclient
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* should be run with DISPLAY set and no tty. The program should
|
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* return the password on standard output */
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#ifndef DROPBEAR_CLI_ASKPASS_HELPER
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#define DROPBEAR_CLI_ASKPASS_HELPER 0
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#endif
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/* Save a network roundtrip by sendng a real auth request immediately after
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* sending a query for the available methods. It is at the expense of < 100
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* bytes of extra network traffic. This is not yet enabled by default since it
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* could cause problems with non-compliant servers */
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#ifndef DROPBEAR_CLI_IMMEDIATE_AUTH
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#define DROPBEAR_CLI_IMMEDIATE_AUTH 0
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#endif
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/* Source for randomness. This must be able to provide hundreds of bytes per SSH
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* connection without blocking. In addition /dev/random is used for seeding
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* rsa/dss key generation */
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#ifndef DROPBEAR_URANDOM_DEV
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#define DROPBEAR_URANDOM_DEV "/dev/urandom"
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#endif
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/* Set this to use PRNGD or EGD instead of /dev/urandom or /dev/random */
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/*#define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"*/
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/* Specify the number of clients we will allow to be connected but
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* not yet authenticated. After this limit, connections are rejected */
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||||
/* The first setting is per-IP, to avoid denial of service */
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#ifndef MAX_UNAUTH_PER_IP
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#define MAX_UNAUTH_PER_IP 5
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#endif
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||||
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||||
/* And then a global limit to avoid chewing memory if connections
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||||
* come from many IPs */
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||||
#ifndef MAX_UNAUTH_CLIENTS
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#define MAX_UNAUTH_CLIENTS 30
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#endif
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||||
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||||
/* Maximum number of failed authentication tries (server option) */
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#ifndef MAX_AUTH_TRIES
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#define MAX_AUTH_TRIES 10
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#endif
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||||
/* The default file to store the daemon's process ID, for shutdown
|
||||
scripts etc. This can be overridden with the -P flag */
|
||||
#ifndef DROPBEAR_PIDFILE
|
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#define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
|
||||
#endif
|
||||
|
||||
/* The command to invoke for xauth when using X11 forwarding.
|
||||
* "-q" for quiet */
|
||||
#ifndef XAUTH_COMMAND
|
||||
#define XAUTH_COMMAND "/usr/bin/xauth -q"
|
||||
#endif
|
||||
|
||||
/* if you want to enable running an sftp server (such as the one included with
|
||||
* OpenSSH), set the path below. If the path isn't defined, sftp will not
|
||||
* be enabled */
|
||||
#ifndef SFTPSERVER_PATH
|
||||
#define SFTPSERVER_PATH "/usr/libexec/sftp-server"
|
||||
#endif
|
||||
|
||||
/* This is used by the scp binary when used as a client binary. If you're
|
||||
* not using the Dropbear client, you'll need to change it */
|
||||
#ifndef DROPBEAR_PATH_SSH_PROGRAM
|
||||
#define DROPBEAR_PATH_SSH_PROGRAM "/usr/bin/dbclient"
|
||||
#endif
|
||||
|
||||
/* Whether to log commands executed by a client. This only logs the
|
||||
* (single) command sent to the server, not what a user did in a
|
||||
* shell/sftp session etc. */
|
||||
#ifndef LOG_COMMANDS
|
||||
#define LOG_COMMANDS 0
|
||||
#endif
|
||||
|
||||
/* Window size limits. These tend to be a trade-off between memory
|
||||
usage and network performance: */
|
||||
/* Size of the network receive window. This amount of memory is allocated
|
||||
as a per-channel receive buffer. Increasing this value can make a
|
||||
significant difference to network performance. 24kB was empirically
|
||||
chosen for a 100mbit ethernet network. The value can be altered at
|
||||
runtime with the -W argument. */
|
||||
#ifndef DEFAULT_RECV_WINDOW
|
||||
#define DEFAULT_RECV_WINDOW 24576
|
||||
#endif
|
||||
/* Maximum size of a received SSH data packet - this _MUST_ be >= 32768
|
||||
in order to interoperate with other implementations */
|
||||
#ifndef RECV_MAX_PAYLOAD_LEN
|
||||
#define RECV_MAX_PAYLOAD_LEN 32768
|
||||
#endif
|
||||
/* Maximum size of a transmitted data packet - this can be any value,
|
||||
though increasing it may not make a significant difference. */
|
||||
#ifndef TRANS_MAX_PAYLOAD_LEN
|
||||
#define TRANS_MAX_PAYLOAD_LEN 16384
|
||||
#endif
|
||||
|
||||
/* Ensure that data is transmitted every KEEPALIVE seconds. This can
|
||||
be overridden at runtime with -K. 0 disables keepalives */
|
||||
#ifndef DEFAULT_KEEPALIVE
|
||||
#define DEFAULT_KEEPALIVE 0
|
||||
#endif
|
||||
|
||||
/* If this many KEEPALIVES are sent with no packets received from the
|
||||
other side, exit. Not run-time configurable - if you have a need
|
||||
for runtime configuration please mail the Dropbear list */
|
||||
#ifndef DEFAULT_KEEPALIVE_LIMIT
|
||||
#define DEFAULT_KEEPALIVE_LIMIT 3
|
||||
#endif
|
||||
|
||||
/* Ensure that data is received within IDLE_TIMEOUT seconds. This can
|
||||
be overridden at runtime with -I. 0 disables idle timeouts */
|
||||
#ifndef DEFAULT_IDLE_TIMEOUT
|
||||
#define DEFAULT_IDLE_TIMEOUT 0
|
||||
#endif
|
||||
|
||||
/* The default path. This will often get replaced by the shell */
|
||||
#ifndef DEFAULT_PATH
|
||||
#define DEFAULT_PATH "/usr/bin:/bin"
|
||||
#endif
|
||||
|
||||
#endif /* DROPBEAR_DEFAULT_OPTIONS_H_ */
|
||||
Loading…
Reference in New Issue
Block a user