all: u2f-enroll u2f-sign pam

UNAME := $(shell uname)

CXX=c++

CC=cc

LDFLAGS=-lcrypto

LDFLAGS=-L$(SSL)/lib -Wl,--rpath=$(SSL)/lib -lcrypto

CFLAGS=-I$(SSL)/include

CFLAGS+=-fPIC -c -O2

ifeq ($(UNAME), Linux)

LDFLAGS+=-Wl,-soname=pam_fido-u2f.so

CFLAGS+=-Wall

CFLAGS+=-Ihidapi/hidapi -D__OS_LINUX

HIDAPI=hid.o

hid.o: hidapi/linux/hid.c

$(CC) $(CFLAGS) -o hid.o hidapi/linux/hid.c

endif # Linux

ifeq ($(UNAME), Darwin)

LDFLAGS+=-framework IOKit -framework CoreFoundation

CFLAGS+=-w

CFLAGS+=-Ihidapi/hidapi -D__OS_DARWIN

HIDAPI=hid.o

hid.o: hidapi/mac/hid.c

$(CC) $(CFLAGS) -o hid.o hidapi/mac/hid.c

endif # Darwin

CXXFLAGS=$(CFLAGS) -std=c++11

pam: pam_fido-u2f.o

$(CXX) $^ -shared $(LDFLAGS) -lpam -o pam_fido-u2f.so

pam_fido-u2f.o: pam_fido-u2f.cc

$(CXX) $(CXXFLAGS) $<

u2f_util.o: u2f_util.cc u2f_util.h u2f.h u2f_hid.h

$(CXX) $(CXXFLAGS) -o $@ u2f_util.cc

enroll.o: enroll.cc

$(CXX) $(CXXFLAGS) $<

sign.o: sign.cc

$(CXX) $(CXXFLAGS) $<

u2f-enroll: enroll.o u2f_util.o $(HIDAPI)

$(CXX) $^ $(LDFLAGS) -lrt -ludev -o $@

u2f-sign: sign.o u2f_util.o $(HIDAPI)

$(CXX) $^ $(LDFLAGS) -lrt -ludev -o $@

install:

cp u2f-sign /usr/local/bin

cp u2f-enroll /usr/local/bin

cp pam-enroll /usr/local/bin

cp pam_fido-u2f.so /lib64/security

clean:

rm -rf *.o