mirror of
https://github.com/clearml/dropbear
synced 2025-03-03 10:41:39 +00:00
- Fix dependencies and remove old default_options.h from version control
- Rename default_options.h.in -> default_options.h, and default_options.h -> default_options_guard.h - Fix newlines in default_options.h
This commit is contained in:
Matt Johnston
parent
316c923188
commit
3f3f399231
30
Makefile.in
30
Makefile.in
@ -23,9 +23,10 @@ CFLAGS+=-I$(srcdir)/libtomcrypt/src/headers/
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LIBTOM_LIBS=$(STATIC_LTC) $(STATIC_LTM)
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endif
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OPTION_HEADERS = default_options_guard.h sysoptions.h
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ifneq ($(wildcard localoptions.h),)
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CFLAGS+=-DLOCALOPTIONS_H_EXISTS
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LOCALOPTIONS_H=localoptions.h
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OPTION_HEADERS += localoptions.h
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endif
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COMMONOBJS=dbutil.o buffer.o dbhelpers.o \
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@ -98,7 +99,6 @@ ifneq (,$(strip $(foreach prog, $(PROGRAMS), $(findstring ZdbclientZ, Z$(prog)Z)
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CFLAGS+= -DDROPBEAR_CLIENT
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endif
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# these are exported so that libtomcrypt's makefile will use them
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export CC
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export CFLAGS
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@ -121,9 +121,16 @@ endif
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all: $(TARGETS)
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# a bit lazy, but safer
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HEADERS=$(wildcard $(srcdir)/*.h *.h)
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*.o: $(HEADERS)
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# for simplicity assume all source depends on all headers
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HEADERS=$(wildcard $(srcdir)/*.h *.h) $(OPTION_HEADERS)
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%.o : %.c $(HEADERS)
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$(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@
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default_options_guard.h: default_options.h
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@echo Creating $@
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@printf "/*\n > > > Do not edit this file (default_options_guard.h) < < <\nGenerated from "$^"\nLocal customisation goes in localoptions.h\n*/\n\n" > $@.tmp
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@$(srcdir)/ifndef_wrapper.sh < $^ >> $@.tmp
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@mv $@.tmp $@
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strip: $(TARGETS)
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$(STRIP) $(addsuffix $(EXEEXT), $(TARGETS))
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@ -197,10 +204,10 @@ link%:
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-rm -f $*$(EXEEXT)
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-ln -s dropbearmulti$(EXEEXT) $*$(EXEEXT)
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$(STATIC_LTC):
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$(STATIC_LTC): $(OPTION_HEADERS)
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$(MAKE) -C libtomcrypt
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$(STATIC_LTM):
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$(STATIC_LTM): $(OPTION_HEADERS)
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$(MAKE) -C libtommath
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.PHONY : clean sizes thisclean distclean tidy ltc-clean ltm-clean
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@ -224,14 +231,7 @@ thisclean:
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distclean: clean tidy
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-rm -f config.h
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-rm -f Makefile
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-rm -f default_options_guard.h
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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 Creating $@
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@echo "/*\n > > > Do not edit this file (default_options.h) < < <\nGenerated from "$^"\nLocal customisation goes in localoptions.h\n*/\n\n" > $@.tmp
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@$(srcdir)/ifndef_wrapper.sh < $^ >> $@.tmp
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@mv $@.tmp $@
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@ -1,16 +1,9 @@
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/*
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> > > Do not edit this file (default_options.h) < < <
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Generated from ../default_options.h.in
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Local customisation goes in localoptions.h
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*/
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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 documents compile-time options, and provides default values.
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default_options.h documents compile-time options, and provides 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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@ -20,25 +13,15 @@ Options can also be defined with -DDROPBEAR_XXX=[0,1] in Makefile CFLAGS
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IMPORTANT: Some 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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@ -50,126 +33,76 @@ IMPORTANT: Some options will require "make clean" after changes */
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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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/* Include verbose debug output, enabled with -v at runtime.
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* This will add a reasonable amount to your executable size. */
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#ifndef DEBUG_TRACE
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#define DEBUG_TRACE 0
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#endif
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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 DROPBEAR_USER_ALGO_LIST
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#define DROPBEAR_USER_ALGO_LIST 1
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#endif
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/* Encryption - at least one required.
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* AES128 should be enabled, some very old implementations might only
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* support 3DES.
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* Including both AES keysize variants (128 and 256) will result in
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* 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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#ifndef DROPBEAR_TWOFISH256
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#define DROPBEAR_TWOFISH256 0
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#endif
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#ifndef DROPBEAR_TWOFISH128
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#define DROPBEAR_TWOFISH128 0
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#endif
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/* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
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#ifndef DROPBEAR_BLOWFISH
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#define DROPBEAR_BLOWFISH 0
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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
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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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/* 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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/* 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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@ -177,23 +110,15 @@ IMPORTANT: Some options will require "make clean" after changes */
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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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/* RSA must be >=1024 */
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#ifndef DROPBEAR_DEFAULT_RSA_SIZE
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#define DROPBEAR_DEFAULT_RSA_SIZE 2048
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#endif
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/* DSS is always 1024 */
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/* ECDSA defaults to largest size configured, usually 521 */
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@ -201,9 +126,7 @@ IMPORTANT: Some options will require "make clean" after changes */
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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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/* Key exchange algorithm.
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@ -226,24 +149,12 @@ IMPORTANT: Some options will require "make clean" after changes */
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* Small systems should generally include either curve25519 or ecdh for performance.
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* curve25519 is less widely supported but is faster
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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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#ifndef DROPBEAR_CURVE25519
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#define DROPBEAR_CURVE25519 1
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#endif
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#ifndef DROPBEAR_ECDH
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#define DROPBEAR_ECDH 1
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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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@ -252,28 +163,18 @@ IMPORTANT: Some options will require "make clean" after changes */
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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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#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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#ifndef DROPBEAR_SVR_PASSWORD_AUTH
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#define DROPBEAR_SVR_PASSWORD_AUTH 1
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#endif
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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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@ -281,119 +182,79 @@ IMPORTANT: Some options will require "make clean" after changes */
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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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#ifndef DROPBEAR_SVR_PAM_AUTH
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#define DROPBEAR_SVR_PAM_AUTH 0
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#endif
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/* ~/.ssh/authorized_keys authentication */
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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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/* Client authentication options */
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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_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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/* Allow specifying the password for dbclient via the DROPBEAR_PASSWORD
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* environment variable. */
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#ifndef DROPBEAR_USE_PASSWORD_ENV
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#define DROPBEAR_USE_PASSWORD_ENV 1
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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. This is not yet enabled by default
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since it 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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/* Set this to use PRNGD or EGD instead of /dev/urandom */
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#ifndef DROPBEAR_USE_PRNGD
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#define DROPBEAR_USE_PRNGD 0
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#endif
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#ifndef DROPBEAR_PRNGD_SOCKET
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#define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"
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#endif
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||||
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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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||||
/* Default maximum number of failed authentication tries (server option) */
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||||
/* -T server option overrides */
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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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||||
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||||
/* The default file to store the daemon's process ID, for shutdown
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scripts etc. This can be overridden with the -P flag */
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#ifndef DROPBEAR_PIDFILE
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#define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
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#endif
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||||
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||||
/* The command to invoke for xauth when using X11 forwarding.
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* "-q" for quiet */
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||||
#ifndef XAUTH_COMMAND
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||||
#define XAUTH_COMMAND "/usr/bin/xauth -q"
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#endif
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||||
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||||
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||||
/* if you want to enable running an sftp server (such as the one included with
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||||
* OpenSSH), set the path below and set DROPBEAR_SFTPSERVER.
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||||
* The sftp-server program is not provided by Dropbear itself */
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||||
#ifndef DROPBEAR_SFTPSERVER
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||||
#define DROPBEAR_SFTPSERVER 1
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||||
#endif
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||||
#ifndef SFTPSERVER_PATH
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||||
#define SFTPSERVER_PATH "/usr/libexec/sftp-server"
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||||
#endif
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||||
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||||
/* This is used by the scp binary when used as a client binary. If you're
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||||
* not using the Dropbear client, you'll need to change it */
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||||
#ifndef DROPBEAR_PATH_SSH_PROGRAM
|
||||
#define DROPBEAR_PATH_SSH_PROGRAM "/usr/bin/dbclient"
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||||
#endif
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||||
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||||
/* 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: */
|
||||
@ -402,42 +263,28 @@ Homedir is prepended unless path begins with / */
|
||||
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_ */
|
||||
|
||||
@ -1,290 +0,0 @@
|
||||
#ifndef DROPBEAR_DEFAULT_OPTIONS_H_
|
||||
#define DROPBEAR_DEFAULT_OPTIONS_H_
|
||||
/*
|
||||
> > > Read This < < <
|
||||
|
||||
default_options.h.in documents compile-time options, and provides default values.
|
||||
|
||||
Local customisation should be added to localoptions.h which is
|
||||
used if it exists. Options defined there will override any options in this
|
||||
file.
|
||||
|
||||
Options can also be defined with -DDROPBEAR_XXX=[0,1] in Makefile CFLAGS
|
||||
|
||||
IMPORTANT: Some options will require "make clean" after changes */
|
||||
|
||||
#define DROPBEAR_DEFPORT "22"
|
||||
|
||||
/* Listen on all interfaces */
|
||||
#define DROPBEAR_DEFADDRESS ""
|
||||
|
||||
/* Default hostkey paths - these can be specified on the command line */
|
||||
#define DSS_PRIV_FILENAME "/etc/dropbear/dropbear_dss_host_key"
|
||||
#define RSA_PRIV_FILENAME "/etc/dropbear/dropbear_rsa_host_key"
|
||||
#define ECDSA_PRIV_FILENAME "/etc/dropbear/dropbear_ecdsa_host_key"
|
||||
|
||||
/* Set NON_INETD_MODE if you require daemon functionality (ie Dropbear listens
|
||||
* on chosen ports and keeps accepting connections. This is the default.
|
||||
*
|
||||
* Set INETD_MODE if you want to be able to run Dropbear with inetd (or
|
||||
* similar), where it will use stdin/stdout for connections, and each process
|
||||
* lasts for a single connection. Dropbear should be invoked with the -i flag
|
||||
* for inetd, and can only accept IPv4 connections.
|
||||
*
|
||||
* Both of these flags can be defined at once, don't compile without at least
|
||||
* one of them. */
|
||||
#define NON_INETD_MODE 1
|
||||
#define INETD_MODE 1
|
||||
|
||||
/* Include verbose debug output, enabled with -v at runtime.
|
||||
* This will add a reasonable amount to your executable size. */
|
||||
#define DEBUG_TRACE 0
|
||||
|
||||
/* Set this if you want to use the DROPBEAR_SMALL_CODE option. This can save
|
||||
* several kB in binary size however will make the symmetrical ciphers and hashes
|
||||
* slower, perhaps by 50%. Recommended for small systems that aren't doing
|
||||
* much traffic. */
|
||||
#define DROPBEAR_SMALL_CODE 1
|
||||
|
||||
/* Enable X11 Forwarding - server only */
|
||||
#define DROPBEAR_X11FWD 1
|
||||
|
||||
/* Enable TCP Fowarding */
|
||||
/* 'Local' is "-L" style (client listening port forwarded via server)
|
||||
* 'Remote' is "-R" style (server listening port forwarded via client) */
|
||||
#define DROPBEAR_CLI_LOCALTCPFWD 1
|
||||
#define DROPBEAR_CLI_REMOTETCPFWD 1
|
||||
|
||||
#define DROPBEAR_SVR_LOCALTCPFWD 1
|
||||
#define DROPBEAR_SVR_REMOTETCPFWD 1
|
||||
|
||||
/* Enable Authentication Agent Forwarding */
|
||||
#define DROPBEAR_SVR_AGENTFWD 1
|
||||
#define DROPBEAR_CLI_AGENTFWD 1
|
||||
|
||||
/* Note: Both DROPBEAR_CLI_PROXYCMD and DROPBEAR_CLI_NETCAT must be set to
|
||||
* allow multihop dbclient connections */
|
||||
|
||||
/* Allow using -J <proxycommand> to run the connection through a
|
||||
pipe to a program, rather the normal TCP connection */
|
||||
#define DROPBEAR_CLI_PROXYCMD 1
|
||||
|
||||
/* Enable "Netcat mode" option. This will forward standard input/output
|
||||
* to a remote TCP-forwarded connection */
|
||||
#define DROPBEAR_CLI_NETCAT 1
|
||||
|
||||
/* Whether to support "-c" and "-m" flags to choose ciphers/MACs at runtime */
|
||||
#define DROPBEAR_USER_ALGO_LIST 1
|
||||
|
||||
/* Encryption - at least one required.
|
||||
* AES128 should be enabled, some very old implementations might only
|
||||
* support 3DES.
|
||||
* Including both AES keysize variants (128 and 256) will result in
|
||||
* a minimal size increase */
|
||||
#define DROPBEAR_AES128 1
|
||||
#define DROPBEAR_3DES 1
|
||||
#define DROPBEAR_AES256 1
|
||||
#define DROPBEAR_TWOFISH256 0
|
||||
#define DROPBEAR_TWOFISH128 0
|
||||
/* Compiling in Blowfish will add ~6kB to runtime heap memory usage */
|
||||
#define DROPBEAR_BLOWFISH 0
|
||||
|
||||
/* Enable CBC mode for ciphers. This has security issues though
|
||||
* is the most compatible with older SSH implementations */
|
||||
#define DROPBEAR_ENABLE_CBC_MODE 1
|
||||
|
||||
/* Enable "Counter Mode" for ciphers. This is more secure than
|
||||
* CBC mode against certain attacks. It is recommended for security
|
||||
* and forwards compatibility */
|
||||
#define DROPBEAR_ENABLE_CTR_MODE 1
|
||||
|
||||
/* Message integrity. sha2-256 is recommended as a default,
|
||||
sha1 for compatibility */
|
||||
#define DROPBEAR_SHA1_HMAC 1
|
||||
#define DROPBEAR_SHA1_96_HMAC 1
|
||||
#define DROPBEAR_SHA2_256_HMAC 1
|
||||
|
||||
/* Hostkey/public key algorithms - at least one required, these are used
|
||||
* for hostkey as well as for verifying signatures with pubkey auth.
|
||||
* Removing either of these won't save very much space.
|
||||
* RSA is recommended
|
||||
* DSS may be necessary to connect to some systems though
|
||||
is not recommended for new keys */
|
||||
#define DROPBEAR_RSA 1
|
||||
#define DROPBEAR_DSS 1
|
||||
/* ECDSA is significantly faster than RSA or DSS. Compiling in ECC
|
||||
* code (either ECDSA or ECDH) increases binary size - around 30kB
|
||||
* on x86-64 */
|
||||
#define DROPBEAR_ECDSA 1
|
||||
|
||||
/* RSA must be >=1024 */
|
||||
#define DROPBEAR_DEFAULT_RSA_SIZE 2048
|
||||
/* DSS is always 1024 */
|
||||
/* ECDSA defaults to largest size configured, usually 521 */
|
||||
|
||||
/* Add runtime flag "-R" to generate hostkeys as-needed when the first
|
||||
connection using that key type occurs.
|
||||
This avoids the need to otherwise run "dropbearkey" and avoids some problems
|
||||
with badly seeded /dev/urandom when systems first boot. */
|
||||
#define DROPBEAR_DELAY_HOSTKEY 1
|
||||
|
||||
|
||||
/* Key exchange algorithm.
|
||||
|
||||
* group14_sha1 - 2048 bit, sha1
|
||||
* group14_sha256 - 2048 bit, sha2-256
|
||||
* group16 - 4096 bit, sha2-512
|
||||
* group1 - 1024 bit, sha1
|
||||
* curve25519 - elliptic curve DH
|
||||
* ecdh - NIST elliptic curve DH (256, 384, 521)
|
||||
*
|
||||
* group1 is too small for security though is necessary if you need
|
||||
compatibility with some implementations such as Dropbear versions < 0.53
|
||||
* group14 is supported by most implementations.
|
||||
* group16 provides a greater strength level but is slower and increases binary size
|
||||
* curve25519 and ecdh algorithms are faster than non-elliptic curve methods
|
||||
* curve25519 increases binary size by ~8kB on x86-64
|
||||
* including either ECDH or ECDSA increases binary size by ~30kB on x86-64
|
||||
|
||||
* Small systems should generally include either curve25519 or ecdh for performance.
|
||||
* curve25519 is less widely supported but is faster
|
||||
*/
|
||||
#define DROPBEAR_DH_GROUP1 1
|
||||
#define DROPBEAR_DH_GROUP14_SHA1 1
|
||||
#define DROPBEAR_DH_GROUP14_SHA256 1
|
||||
#define DROPBEAR_DH_GROUP16 0
|
||||
#define DROPBEAR_CURVE25519 1
|
||||
#define DROPBEAR_ECDH 1
|
||||
|
||||
/* Control the memory/performance/compression tradeoff for zlib.
|
||||
* Set windowBits=8 for least memory usage, see your system's
|
||||
* zlib.h for full details.
|
||||
* Default settings (windowBits=15) will use 256kB for compression
|
||||
* windowBits=8 will use 129kB for compression.
|
||||
* Both modes will use ~35kB for decompression (using windowBits=15 for
|
||||
* interoperability) */
|
||||
#define DROPBEAR_ZLIB_WINDOW_BITS 15
|
||||
|
||||
/* Whether to do reverse DNS lookups. */
|
||||
#define DO_HOST_LOOKUP 0
|
||||
|
||||
/* Whether to print the message of the day (MOTD). */
|
||||
#define DO_MOTD 0
|
||||
#define MOTD_FILENAME "/etc/motd"
|
||||
|
||||
/* Authentication Types - at least one required.
|
||||
RFC Draft requires pubkey auth, and recommends password */
|
||||
#define DROPBEAR_SVR_PASSWORD_AUTH 1
|
||||
|
||||
/* Note: PAM auth is quite simple and only works for PAM modules which just do
|
||||
* a simple "Login: " "Password: " (you can edit the strings in svr-authpam.c).
|
||||
* It's useful for systems like OS X where standard password crypts don't work
|
||||
* but there's an interface via a PAM module. It won't work for more complex
|
||||
* PAM challenge/response.
|
||||
* You can't enable both PASSWORD and PAM. */
|
||||
#define DROPBEAR_SVR_PAM_AUTH 0
|
||||
|
||||
/* ~/.ssh/authorized_keys authentication */
|
||||
#define DROPBEAR_SVR_PUBKEY_AUTH 1
|
||||
|
||||
/* Whether to take public key options in
|
||||
* authorized_keys file into account */
|
||||
#define DROPBEAR_SVR_PUBKEY_OPTIONS 1
|
||||
|
||||
/* Client authentication options */
|
||||
#define DROPBEAR_CLI_PASSWORD_AUTH 1
|
||||
#define DROPBEAR_CLI_PUBKEY_AUTH 1
|
||||
|
||||
/* A default argument for dbclient -i <privatekey>.
|
||||
Homedir is prepended unless path begins with / */
|
||||
#define DROPBEAR_DEFAULT_CLI_AUTHKEY ".ssh/id_dropbear"
|
||||
|
||||
/* Allow specifying the password for dbclient via the DROPBEAR_PASSWORD
|
||||
* environment variable. */
|
||||
#define DROPBEAR_USE_PASSWORD_ENV 1
|
||||
|
||||
/* Define this (as well as DROPBEAR_CLI_PASSWORD_AUTH) to allow the use of
|
||||
* a helper program for the ssh client. The helper program should be
|
||||
* specified in the SSH_ASKPASS environment variable, and dbclient
|
||||
* should be run with DISPLAY set and no tty. The program should
|
||||
* return the password on standard output */
|
||||
#define DROPBEAR_CLI_ASKPASS_HELPER 0
|
||||
|
||||
/* Save a network roundtrip by sendng a real auth request immediately after
|
||||
* sending a query for the available methods. This is not yet enabled by default
|
||||
since it could cause problems with non-compliant servers */
|
||||
#define DROPBEAR_CLI_IMMEDIATE_AUTH 0
|
||||
|
||||
/* Set this to use PRNGD or EGD instead of /dev/urandom */
|
||||
#define DROPBEAR_USE_PRNGD 0
|
||||
#define DROPBEAR_PRNGD_SOCKET "/var/run/dropbear-rng"
|
||||
|
||||
/* Specify the number of clients we will allow to be connected but
|
||||
* not yet authenticated. After this limit, connections are rejected */
|
||||
/* The first setting is per-IP, to avoid denial of service */
|
||||
#define MAX_UNAUTH_PER_IP 5
|
||||
|
||||
/* And then a global limit to avoid chewing memory if connections
|
||||
* come from many IPs */
|
||||
#define MAX_UNAUTH_CLIENTS 30
|
||||
|
||||
/* Default maximum number of failed authentication tries (server option) */
|
||||
/* -T server option overrides */
|
||||
#define MAX_AUTH_TRIES 10
|
||||
|
||||
/* The default file to store the daemon's process ID, for shutdown
|
||||
scripts etc. This can be overridden with the -P flag */
|
||||
#define DROPBEAR_PIDFILE "/var/run/dropbear.pid"
|
||||
|
||||
/* The command to invoke for xauth when using X11 forwarding.
|
||||
* "-q" for quiet */
|
||||
#define XAUTH_COMMAND "/usr/bin/xauth -q"
|
||||
|
||||
|
||||
/* if you want to enable running an sftp server (such as the one included with
|
||||
* OpenSSH), set the path below and set DROPBEAR_SFTPSERVER.
|
||||
* The sftp-server program is not provided by Dropbear itself */
|
||||
#define DROPBEAR_SFTPSERVER 1
|
||||
#define SFTPSERVER_PATH "/usr/libexec/sftp-server"
|
||||
|
||||
/* 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 */
|
||||
#define DROPBEAR_PATH_SSH_PROGRAM "/usr/bin/dbclient"
|
||||
|
||||
/* 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. */
|
||||
#define LOG_COMMANDS 0
|
||||
|
||||
/* 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. */
|
||||
#define DEFAULT_RECV_WINDOW 24576
|
||||
/* Maximum size of a received SSH data packet - this _MUST_ be >= 32768
|
||||
in order to interoperate with other implementations */
|
||||
#define RECV_MAX_PAYLOAD_LEN 32768
|
||||
/* Maximum size of a transmitted data packet - this can be any value,
|
||||
though increasing it may not make a significant difference. */
|
||||
#define TRANS_MAX_PAYLOAD_LEN 16384
|
||||
|
||||
/* Ensure that data is transmitted every KEEPALIVE seconds. This can
|
||||
be overridden at runtime with -K. 0 disables keepalives */
|
||||
#define DEFAULT_KEEPALIVE 0
|
||||
|
||||
/* 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 */
|
||||
#define DEFAULT_KEEPALIVE_LIMIT 3
|
||||
|
||||
/* Ensure that data is received within IDLE_TIMEOUT seconds. This can
|
||||
be overridden at runtime with -I. 0 disables idle timeouts */
|
||||
#define DEFAULT_IDLE_TIMEOUT 0
|
||||
|
||||
/* The default path. This will often get replaced by the shell */
|
||||
#define DEFAULT_PATH "/usr/bin:/bin"
|
||||
|
||||
#endif /* DROPBEAR_DEFAULT_OPTIONS_H_ */
|
||||
@ -2,6 +2,6 @@
|
||||
|
||||
# Wrap all "#define X Y" with a #ifndef X...#endif"
|
||||
|
||||
sed -E 's/^(#define ([^ ]+) .*)/#ifndef \2\
|
||||
sed -E 's/^( *#define ([^ ]+) .*)/#ifndef \2\
|
||||
\1\
|
||||
#endif/'
|
||||
|
||||
@ -15,7 +15,8 @@ See default_options.h.in for a description of the available options.
|
||||
#include "localoptions.h"
|
||||
#endif
|
||||
|
||||
#include "default_options.h"
|
||||
/* default_options.h is processed to add #ifndef guards */
|
||||
#include "default_options_guard.h"
|
||||
|
||||
/* Some other defines that mostly should be left alone are defined
|
||||
* in sysoptions.h */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user