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CC ?= cc
CFLAGS ?= -O2
CFLAGS += -Wall -Wextra -Wpedantic
CFLAGS += -fPIC
CFLAGS += -fstack-protector-strong
CFLAGS += -D_FORTIFY_SOURCE=2
LDFLAGS += -Wl,-z,relro,-z,now
PAM_LDLIBS = -lpam -lm
CREATE_LDLIBS = -lm
PAM_TARGET = pam_bloom.so
CREATE_TARGET = pam_bloom_create
CHECK_TARGET = pam_bloom_check
CHECK_OBJS = pam_bloom_check.o $(COMMON_OBJS)
CHECK_LDLIBS = -lm
PREFIX ?= /usr
BINDIR ?= $(PREFIX)/bin
MULTIARCH := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)
ifeq ($(MULTIARCH),)
PAMDIR ?= $(PREFIX)/lib/security
else
PAMDIR ?= $(PREFIX)/lib/$(MULTIARCH)/security
endif
FILTERDIR ?= /etc/security/pam_bloom/filters.d
DESTDIR ?=
COMMON_OBJS = bloom.o mmh3.o
PAM_OBJS = pam_bloom.o $(COMMON_OBJS)
CREATE_OBJS = pam_bloom_create.o $(COMMON_OBJS)
FILTERS = rockyou.txt.bloom
PAM_CONFIG_DIR ?= /usr/share/pam-configs
PAM_CONFIG = pam-configs/pam_bloom
.PHONY: all clean install uninstall
all: $(PAM_TARGET) $(CREATE_TARGET) $(CHECK_TARGET)
$(PAM_TARGET): $(PAM_OBJS)
$(CC) $(LDFLAGS) -shared -o $@ $(PAM_OBJS) $(PAM_LDLIBS)
$(CREATE_TARGET): $(CREATE_OBJS)
$(CC) $(LDFLAGS) -o $@ $(CREATE_OBJS) $(CREATE_LDLIBS)
$(CHECK_TARGET): $(CHECK_OBJS)
$(CC) $(LDFLAGS) -o $@ $(CHECK_OBJS) $(CHECK_LDLIBS)
pam_bloom_check.o: pam_bloom_check.c bloom.h
$(CC) $(CFLAGS) -c -o $@ $<
pam_bloom.o: pam_bloom.c bloom.h
$(CC) $(CFLAGS) -c -o $@ $<
pam_bloom_create.o: pam_bloom_create.c bloom.h
$(CC) $(CFLAGS) -c -o $@ $<
bloom.o: bloom.c bloom.h mmh3.h
$(CC) $(CFLAGS) -c -o $@ $<
mmh3.o: mmh3.c mmh3.h
$(CC) $(CFLAGS) -c -o $@ $<
install: all
install -d "$(DESTDIR)$(BINDIR)"
install -m 0755 $(CREATE_TARGET) "$(DESTDIR)$(BINDIR)/$(CREATE_TARGET)"
install -d "$(DESTDIR)$(PAMDIR)"
install -m 0755 $(PAM_TARGET) "$(DESTDIR)$(PAMDIR)/$(PAM_TARGET)"
install -d -m 0755 "$(DESTDIR)$(FILTERDIR)"
install -m 0644 $(FILTERS) "$(DESTDIR)$(FILTERDIR)/"
install -d "$(DESTDIR)$(PAM_CONFIG_DIR)"
install -m 0644 $(PAM_CONFIG) "$(DESTDIR)$(PAM_CONFIG_DIR)/pam_bloom"
install -m 0755 $(CHECK_TARGET) "$(DESTDIR)$(BINDIR)/$(CHECK_TARGET)"
uninstall:
rm -f "$(DESTDIR)$(BINDIR)/$(CREATE_TARGET)"
rm -f "$(DESTDIR)$(BINDIR)/$(CHECK_TARGET)"
rm -f "$(DESTDIR)$(PAMDIR)/$(PAM_TARGET)"
rm -f "$(DESTDIR)$(PAM_CONFIG_DIR)/pam_bloom"
clean:
rm -f $(PAM_TARGET) $(CREATE_TARGET) $(CHECK_TARGET) \
$(PAM_OBJS) $(CREATE_OBJS) $(CHECK_OBJS)
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