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Makefile.in
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Makefile.in
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# This Makefile is for Dropbear SSH Server and Client
# @configure_input@
# invocation:
# make PROGRAMS="dropbear dbclient scp" MULTI=1 SCPPROGRESS=1
#
# to make a multiple-program binary "dropbearmulti".
# This example will include dropbear, scp, dropbearkey, dropbearconvert, and
# dbclient functionality, and includes the progress-bar functionality in scp.
ifndef PROGRAMS
PROGRAMS=dropbear dbclient dropbearkey dropbearconvert
endif
srcdir=@srcdir@/src
VPATH=@srcdir@/src
STATIC_LTC=libtomcrypt/libtomcrypt.a
STATIC_LTM=libtommath/libtommath.a
LIBTOM_LIBS=@LIBTOM_LIBS@
ifeq (@BUNDLED_LIBTOM@, 1)
LIBTOM_DEPS=$(STATIC_LTC) $(STATIC_LTM)
LIBTOM_CLEAN=ltc-clean ltm-clean
CPPFLAGS+=-I$(srcdir)/../libtomcrypt/src/headers/
LIBTOM_LIBS=$(STATIC_LTC) $(STATIC_LTM)
endif
ifneq ($(wildcard ./localoptions.h),)
CPPFLAGS+=-DLOCALOPTIONS_H_EXISTS
endif
ifneq ($(wildcard $(srcdir)/distrooptions.h),)
CPPFLAGS+=-DDISTROOPTIONS_H_EXISTS
endif
OBJ_DIR=./obj
MAN_DIR=@srcdir@/manpages
_COMMONOBJS=dbutil.o buffer.o dbhelpers.o \
dss.o bignum.o \
signkey.o rsa.o dbrandom.o \
queue.o \
atomicio.o compat.o fake-rfc2553.o \
ltc_prng.o ecc.o ecdsa.o sk-ecdsa.o crypto_desc.o \
curve25519.o ed25519.o sk-ed25519.o \
dbmalloc.o \
gensignkey.o gendss.o genrsa.o gened25519.o
COMMONOBJS = $(patsubst %,$(OBJ_DIR)/%,$(_COMMONOBJS))
_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
SVROBJS = $(patsubst %,$(OBJ_DIR)/%,$(_SVROBJS))
_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 cli-readconf.o
CLIOBJS = $(patsubst %,$(OBJ_DIR)/%,$(_CLIOBJS))
_CLISVROBJS=common-session.o packet.o common-algo.o common-kex.o \
common-channel.o common-chansession.o termcodes.o loginrec.o \
tcp-accept.o listener.o process-packet.o dh_groups.o \
common-runopts.o circbuffer.o list.o netio.o chachapoly.o gcm.o
CLISVROBJS = $(patsubst %,$(OBJ_DIR)/%,$(_CLISVROBJS))
_KEYOBJS=dropbearkey.o
KEYOBJS = $(patsubst %,$(OBJ_DIR)/%,$(_KEYOBJS))
_CONVERTOBJS=dropbearconvert.o keyimport.o signkey_ossh.o
CONVERTOBJS = $(patsubst %,$(OBJ_DIR)/%,$(_CONVERTOBJS))
_SCPOBJS=scp.o progressmeter.o atomicio.o scpmisc.o compat.o
SCPOBJS = $(patsubst %,$(OBJ_DIR)/%,$(_SCPOBJS))
ifeq (@DROPBEAR_FUZZ@, 1)
allobjs = $(COMMONOBJS) fuzz/fuzz-common.o fuzz/fuzz-wrapfd.o $(CLISVROBJS) $(CLIOBJS) $(SVROBJS) @CRYPTLIB@
allobjs:=$(subst $(OBJ_DIR)/svr-main.o, ,$(allobjs))
allobjs:=$(subst $(OBJ_DIR)/cli-main.o, ,$(allobjs))
dropbearobjs=$(allobjs) $(OBJ_DIR)/svr-main.o
dbclientobjs=$(allobjs) $(OBJ_DIR)/cli-main.o
dropbearkeyobjs=$(allobjs) $(KEYOBJS)
dropbearconvertobjs=$(allobjs) $(CONVERTOBJS)
# CXX only set when fuzzing
CXX=@CXX@
FUZZ_CLEAN=fuzz-clean
else
dropbearobjs=$(COMMONOBJS) $(CLISVROBJS) $(SVROBJS)
dbclientobjs=$(COMMONOBJS) $(CLISVROBJS) $(CLIOBJS)
dropbearkeyobjs=$(COMMONOBJS) $(KEYOBJS)
dropbearconvertobjs=$(COMMONOBJS) $(CONVERTOBJS)
scpobjs=$(SCPOBJS)
endif
ifeq (@DROPBEAR_PLUGIN@, 1)
# rdynamic makes all the global symbols of dropbear available to all the loaded shared libraries
# this allow a plugin to reuse existing crypto/utilities like base64_decode/base64_encode without
# the need to rewrite them.
PLUGIN_LIBS=-ldl -rdynamic
else
PLUGIN_LIBS=
endif
prefix=@prefix@
exec_prefix=@exec_prefix@
datarootdir = @datarootdir@
bindir=@bindir@
sbindir=@sbindir@
mandir=@mandir@
.DELETE_ON_ERROR:
CC=@CC@
AR=@AR@
RANLIB=@RANLIB@
STRIP=@STRIP@
INSTALL=@INSTALL@
CPPFLAGS+=@CPPFLAGS@ -I. -I$(srcdir)
CFLAGS+=@CFLAGS@
LIBS+=@LIBS@
LDFLAGS=@LDFLAGS@
EXEEXT=@EXEEXT@
STATIC=@STATIC@
# whether we're building client, server, or both for the common objects.
# evilness so we detect 'dropbear' by itself as a word
ifneq (,$(strip $(foreach prog, $(PROGRAMS), $(findstring ZdropbearZ, Z$(prog)Z))))
CPPFLAGS+= -DDROPBEAR_SERVER
endif
ifneq (,$(strip $(foreach prog, $(PROGRAMS), $(findstring ZdbclientZ, Z$(prog)Z))))
CPPFLAGS+= -DDROPBEAR_CLIENT
endif
# these are exported so that libtomcrypt's makefile will use them
export CC
export CFLAGS
export CPPFLAGS
export RANLIB AR STRIP
ifeq ($(STATIC), 1)
LDFLAGS+=-static
endif
ifeq ($(MULTI), 1)
TARGETS=dropbearmulti$(EXEEXT)
else
TARGETS=$(PROGRAMS)
endif
# for the scp progress meter. The -D doesn't affect anything else.
ifeq ($(SCPPROGRESS), 1)
CPPFLAGS+=-DPROGRESS_METER
endif
all: $(TARGETS)
# for simplicity assume all source depends on all headers
HEADERS=$(wildcard $(srcdir)/*.h *.h) default_options_guard.h
$(OBJ_DIR):
mkdir -p $@
$(OBJ_DIR)/%.o: $(srcdir)/%.c $(HEADERS) | $(OBJ_DIR)
$(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@ -c
fuzz/%.o: $(srcdir)/../fuzz/%.c $(HEADERS)
$(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@ -c
default_options_guard.h: $(srcdir)/default_options.h
@echo Creating $@
@printf "/*\n > > > Do not edit this file (default_options_guard.h) < < <\nGenerated from "$^"\nLocal customisation goes in localoptions.h\n*/\n\n" > $@.tmp
@$(srcdir)/ifndef_wrapper.sh < $^ >> $@.tmp
mv -v $@.tmp $@
pwd
ls -l $@
strip: $(TARGETS)
$(STRIP) $(addsuffix $(EXEEXT), $(TARGETS))
install: $(addprefix inst_, $(TARGETS))
insmultidropbear: dropbearmulti$(EXEEXT)
$(INSTALL) -d $(DESTDIR)$(sbindir)
-rm -f $(DESTDIR)$(sbindir)/dropbear$(EXEEXT)
-ln -s $(bindir)/dropbearmulti$(EXEEXT) $(DESTDIR)$(sbindir)/dropbear$(EXEEXT)
$(INSTALL) -d $(DESTDIR)$(mandir)/man8
$(INSTALL) -m 644 $(MAN_DIR)/dropbear.8 $(DESTDIR)$(mandir)/man8/dropbear.8
insmulti%: dropbearmulti$(EXEEXT)
$(INSTALL) -d $(DESTDIR)$(bindir)
-rm -f $(DESTDIR)$(bindir)/$*$(EXEEXT)
-ln -s $(bindir)/dropbearmulti$(EXEEXT) $(DESTDIR)$(bindir)/$*$(EXEEXT)
$(INSTALL) -d $(DESTDIR)$(mandir)/man1
if test -e $(MAN_DIR)/$*.1; then $(INSTALL) -m 644 $(MAN_DIR)/$*.1 $(DESTDIR)$(mandir)/man1/$*.1; fi
# dropbear should go in sbin, so it needs a separate rule
inst_dropbear: dropbear
$(INSTALL) -d $(DESTDIR)$(sbindir)
$(INSTALL) dropbear$(EXEEXT) $(DESTDIR)$(sbindir)
$(INSTALL) -d $(DESTDIR)$(mandir)/man8
$(INSTALL) -m 644 $(MAN_DIR)/dropbear.8 $(DESTDIR)$(mandir)/man8/dropbear.8
inst_%: %
$(INSTALL) -d $(DESTDIR)$(bindir)
$(INSTALL) $*$(EXEEXT) $(DESTDIR)$(bindir)
$(INSTALL) -d $(DESTDIR)$(mandir)/man1
if test -e $(MAN_DIR)/$*.1; then $(INSTALL) -m 644 $(MAN_DIR)/$*.1 $(DESTDIR)$(mandir)/man1/$*.1; fi
inst_dropbearmulti: $(addprefix insmulti, $(PROGRAMS))
# for some reason the rule further down doesn't like $($@objs) as a prereq.
dropbear: $(dropbearobjs)
dbclient: $(dbclientobjs)
dropbearkey: $(dropbearkeyobjs)
dropbearconvert: $(dropbearconvertobjs)
dropbear: $(HEADERS) $(LIBTOM_DEPS) Makefile
$(CC) $(LDFLAGS) -o $@$(EXEEXT) $($@objs) $(LIBTOM_LIBS) $(LIBS) @CRYPTLIB@ $(PLUGIN_LIBS)
dbclient: $(HEADERS) $(LIBTOM_DEPS) Makefile
$(CC) $(LDFLAGS) -o $@$(EXEEXT) $($@objs) $(LIBTOM_LIBS) $(LIBS)
dropbearkey dropbearconvert: $(HEADERS) $(LIBTOM_DEPS) Makefile
$(CC) $(LDFLAGS) -o $@$(EXEEXT) $($@objs) $(LIBTOM_LIBS) $(LIBS)
# scp doesn't use the libs so is special.
scp: $(SCPOBJS) $(HEADERS) Makefile
$(CC) $(LDFLAGS) -o $@$(EXEEXT) $(SCPOBJS)
# multi-binary compilation.
MULTIOBJS=
ifeq ($(MULTI),1)
MULTIOBJS=$(OBJ_DIR)/dbmulti.o $(sort $(foreach prog, $(PROGRAMS), $($(prog)objs)))
CPPFLAGS+=$(addprefix -DDBMULTI_, $(PROGRAMS)) -DDROPBEAR_MULTI
endif
dropbearmulti$(EXEEXT): $(HEADERS) $(MULTIOBJS) $(LIBTOM_DEPS) Makefile
$(CC) $(LDFLAGS) -o $@ $(MULTIOBJS) $(LIBTOM_LIBS) $(LIBS) @CRYPTLIB@
multibinary: dropbearmulti$(EXEEXT)
multilink: multibinary $(addprefix link, $(PROGRAMS))
link%:
-rm -f $*$(EXEEXT)
-ln -s dropbearmulti$(EXEEXT) $*$(EXEEXT)
$(STATIC_LTC): $(HEADERS)
$(MAKE) -C libtomcrypt
$(STATIC_LTM): $(HEADERS)
$(MAKE) -C libtommath
.PHONY : clean sizes thisclean distclean tidy ltc-clean ltm-clean lint check
ltc-clean:
$(MAKE) -C libtomcrypt clean
ltm-clean:
$(MAKE) -C libtommath clean
sizes: dropbear
objdump -t dropbear|grep ".text"|cut -d "." -f 2|sort -rn
clean: $(LIBTOM_CLEAN) $(FUZZ_CLEAN) thisclean
thisclean:
-rm -f dropbear$(EXEEXT) dbclient$(EXEEXT) dropbearkey$(EXEEXT) \
dropbearconvert$(EXEEXT) scp$(EXEEXT) scp-progress$(EXEEXT) \
dropbearmulti$(EXEEXT) *.o *.da *.bb *.bbg *.prof \
$(OBJ_DIR)/*
distclean: clean tidy
-rm -f src/config.h config.status config.log
-rm -f Makefile test/Makefile
-rm -f default_options_guard.h
tidy:
-rm -f *~ *.gcov */*~
lint:
cd $(srcdir); ./dropbear_lint.sh
check: lint
make -C test
## Fuzzing targets
# list of fuzz targets
FUZZ_TARGETS=fuzzer-preauth fuzzer-pubkey fuzzer-verify fuzzer-preauth_nomaths \
fuzzer-kexdh fuzzer-kexecdh fuzzer-kexcurve25519 fuzzer-client fuzzer-client_nomaths \
fuzzer-postauth_nomaths fuzzer-cliconf
FUZZER_OPTIONS = $(addsuffix .options, $(FUZZ_TARGETS))
FUZZ_OBJS = $(addprefix fuzz/,$(addsuffix .o,$(FUZZ_TARGETS))) \
fuzz/fuzz-sshpacketmutator.o
list-fuzz-targets:
@echo $(FUZZ_TARGETS)
# fuzzers that don't use libfuzzer, just a standalone harness that feeds inputs
fuzzstandalone: FUZZLIB=fuzz/fuzz-harness.o
fuzzstandalone: fuzz/fuzz-harness.o fuzz-targets
# Build all the fuzzers. Usually like
# make fuzz-targets FUZZLIB=-lFuzzer.a
# the library provides main(). Otherwise
# make fuzzstandalone
# provides a main in fuzz-harness.c
fuzz-targets: $(FUZZ_TARGETS) $(FUZZER_OPTIONS)
$(FUZZ_TARGETS): $(LIBTOM_DEPS) $(allobjs) $(FUZZ_OBJS)
$(CXX) $(CXXFLAGS) fuzz/$@.o $(LDFLAGS) $(allobjs) -o $@$(EXEEXT) $(LIBTOM_LIBS) $(LIBS) $(FUZZLIB) @CRYPTLIB@
# fuzzers that use the custom mutator - these expect a SSH network stream
MUTATOR_FUZZERS=fuzzer-client fuzzer-client_nomaths \
fuzzer-preauth fuzzer-preauth_nomaths fuzzer-postauth_nomaths
# Skip custom mutators for -fsanitize-memory since libfuzzer doesn't initialise memory
# Pending fix for it https://github.com/google/oss-fuzz/issues/4605
ifeq (,$(findstring fsanitize=memory, $(CFLAGS)))
$(MUTATOR_FUZZERS): allobjs += fuzz/fuzz-sshpacketmutator.o
endif
fuzzer-%.options: Makefile
echo "[libfuzzer]" > $@
echo "max_len = 50000" >> $@
# run this to update hardcoded hostkeys for for fuzzing.
# hostkeys.c is checked in to hg.
fuzz-hostkeys:
dropbearkey -t rsa -f keyr
dropbearkey -t dss -f keyd
dropbearkey -t ecdsa -size 256 -f keye
dropbearkey -t ed25519 -f keyed25519
echo > hostkeys.c
/usr/bin/xxd -i -a keyr >> hostkeys.c
/usr/bin/xxd -i -a keye >> hostkeys.c
/usr/bin/xxd -i -a keyd >> hostkeys.c
/usr/bin/xxd -i -a keyed25519 >> hostkeys.c
fuzz-clean:
-rm -f fuzz/*.o $(FUZZ_TARGETS) $(FUZZER_OPTIONS)