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Makefile
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Makefile
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# set gcc as default if CC is not set
GIT_VERSION = $(shell git describe --tags --always --dirty=-wip)
# Ugly hack to get version if git isn't installed
ifeq ($(GIT_VERSION),)
GIT_VERSION = $(shell grep -E -o -m 1 "[0-9]+\.[0-9]+\.[0-9]+" Changelog)
endif
# Detect OS
OS := $(shell uname)
ARCH := $(shell uname -m)
# Handle different version of Make
ifeq ($(OS), SunOS)
ifndef $(CC)
CC=gcc
endif
ifndef $(PREFIX)
PREFIX = /usr
endif
else
CC ?= gcc
PREFIX ?= /usr
endif
SRCS = sslscan.c
BINDIR = $(PREFIX)/bin
MANDIR = $(PREFIX)/share/man
MAN1DIR = $(MANDIR)/man1
WARNINGS = -Wall -Wformat=2 -Wformat-security -Wno-deprecated-declarations
DEFINES = -DVERSION=\"$(GIT_VERSION)\"
# for dynamic linking
LIBS = -lssl -lcrypto
ifneq ($(OS), FreeBSD)
ifneq ($(findstring MINGW64,$(OS)),MINGW64)
LIBS += -ldl
else
LIBS += -lwsock32 -lWs2_32
endif
endif
ifeq ($(OS), SunOS)
CFLAGS += -m64
LIBS += -lsocket -lnsl
endif
# Enable checks for buffer overflows, add stack protectors, generate position
# independent code, mark the relocation table read-only, and mark the global
# offset table read-only.
CFLAGS += -D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIE
# Don't enable some hardening flags on OS X because it uses an old version of Clang
ifneq ($(OS), Darwin)
ifneq ($(OS), SunOS)
ifneq ($(findstring CYGWIN,$(OS)),CYGWIN)
ifneq ($(findstring MINGW64,$(OS)),MINGW64)
LDFLAGS += -pie -z relro -z now
else
LDFLAGS += -pie
endif
endif
endif
endif
# Force C11 mode to fix the build on very old version of GCC
CFLAGS += -std=gnu11
# for static linking
ifeq ($(STATIC_BUILD), TRUE)
PWD = $(shell pwd)/openssl
LDFLAGS += -L${PWD}/
CFLAGS += -I${PWD}/include/ -I${PWD}/
ifeq ($(OS), Darwin)
LIBS = ./openssl/libssl.a ./openssl/libcrypto.a -lz -lpthread
else
LIBS = -lssl -lcrypto -lz -lpthread
endif
ifneq ($(OS), FreeBSD)
ifneq ($(findstring CYGWIN,$(OS)),CYGWIN)
LIBS += -ldl
endif
endif
ifeq ($(OS), SunOS)
LIBS += -lsocket -lnsl
endif
GIT_VERSION := $(GIT_VERSION)-static
else
# for dynamic linking
LDFLAGS += -L/usr/local/lib -L/usr/local/ssl/lib -L/usr/local/opt/openssl/lib -L/opt/local/lib
CFLAGS += -I/usr/local/include -I/usr/local/ssl/include -I/usr/local/ssl/include/openssl -I/usr/local/opt/openssl/include -I/opt/local/include -I/opt/local/include/openssl
endif
# Find the number of processors on the system (used in -j option in building OpenSSL).
# Uses /usr/bin/nproc if available, otherwise defaults to 1.
NUM_PROCS = 1
ifneq (,$(wildcard /usr/bin/nproc))
NUM_PROCS = `/usr/bin/nproc --all`
endif
ifeq ($(OS), Darwin)
NUM_PROCS = `sysctl -n hw.ncpu`
endif
.PHONY: all sslscan clean realclean install uninstall static opensslpull
all: sslscan
@echo
@echo "==========="
@echo "| WARNING |"
@echo "==========="
@echo
@echo "Building against system OpenSSL. Compression and other checks may not be possible."
@echo "It is recommended that you statically build sslscan with \`make static\`."
@echo
sslscan: $(SRCS)
$(CC) -o $@ ${WARNINGS} ${LDFLAGS} ${CFLAGS} ${CPPFLAGS} ${DEFINES} ${SRCS} ${LIBS}
install:
@if [ ! -f sslscan ] ; then \
echo "\n=========\n| ERROR |\n========="; \
echo "Before installing you need to build sslscan with either \`make\` or \`make static\`\n"; \
exit 1; \
fi
ifeq ($(OS), Darwin)
install -d $(DESTDIR)$(BINDIR)/;
install sslscan $(DESTDIR)$(BINDIR)/sslscan;
install -d $(DESTDIR)$(MAN1DIR)/;
install sslscan.1 $(DESTDIR)$(MAN1DIR)/sslscan.1;
else
install -D sslscan $(DESTDIR)$(BINDIR)/sslscan;
install -D sslscan.1 $(DESTDIR)$(MAN1DIR)/sslscan.1;
endif
uninstall:
rm -f $(DESTDIR)$(BINDIR)/sslscan
rm -f $(DESTDIR)$(MAN1DIR)/sslscan.1
.openssl.is.fresh: opensslpull
true
opensslpull:
if [ -d openssl -a -d openssl/.git ]; then \
cd ./openssl && git checkout `git ls-remote https://github.com/openssl/openssl | grep -Eo '(openssl-3\.0\.[0-9]+)' | sort --version-sort | tail -n 1` && git pull | grep -q "Already up to date." && [ -e ../.openssl.is.fresh ] || touch ../.openssl.is.fresh ; \
else \
git clone --depth 1 -b `git ls-remote https://github.com/openssl/openssl | grep -Eo '(openssl-3\.0\.[0-9]+)' | sort -V | tail -n 1` https://github.com/openssl/openssl ./openssl && cd ./openssl && touch ../.openssl.is.fresh ; \
fi
openssl/Makefile: .openssl.is.fresh
cd ./openssl; ./Configure -v -fstack-protector-all -D_FORTIFY_SOURCE=2 -fPIC no-shared enable-weak-ssl-ciphers zlib
openssl/libcrypto.a: openssl/Makefile
$(MAKE) -j $(NUM_PROCS) -C openssl depend
$(MAKE) -j $(NUM_PROCS) -C openssl build_libs
# $(MAKE) -j $(NUM_PROCS) -C openssl test # Disabled because this takes 45+ minutes for OpenSSL v1.1.1.
static: openssl/libcrypto.a
$(MAKE) -j $(NUM_PROCS) sslscan STATIC_BUILD=TRUE
docker:
docker build -t sslscan:sslscan .
test: static
./docker_test.sh
clean:
rm -f sslscan
realclean: clean
if [ -d openssl ]; then ( rm -rf openssl ); fi;
rm -f .openssl.is.fresh