# This software is licensed under GPL-3, as shown in the file COPYRIGHT
# Author: Linux Gruppe IRB
# Copyright: Linux Gruppe IRB, 2024

ARCH		:=	$(shell gcc -dumpmachine)

EXEC_OBJS	:=	authorized_eid.o client.o add-eid.o
PAM_OBJS	:=	pam_eid.o auth.o authorized_eid.o client.o

CURL_CFLAGS 	:=	$(shell /usr/bin/pkg-config --cflags libcurl)
CURL_LDFLAGS	:=	$(shell /usr/bin/pkg-config --libs libcurl)

PAM_CFLAGS 	:=	$(shell /usr/bin/pkg-config --cflags pam)
PAM_LDFLAGS	:=	$(shell /usr/bin/pkg-config --libs pam)

GLIB_CFLAGS 	:=	$(shell /usr/bin/pkg-config --cflags glib-2.0)
GLIB_LDFLAGS	:=	$(shell /usr/bin/pkg-config --libs glib-2.0)

CFLAGS		:= 	-O2 -Wall -Werror -g -fPIC $(CURL_CFLAGS) $(PAM_CFLAGS) $(GLIB_CFLAGS)
EXEC_LDFLAGS	:=	$(CURL_LDFLAGS) $(GLIB_LDFLAGS)
PAM_LDFLAGS	:=	$(CURL_LDFLAGS) $(PAM_LDFLAGS) $(GLIB_LDFLAGS)

all: pam_eid.so add-eid

pam_eid.so: $(PAM_OBJS)
	gcc -shared -o pam_eid.so $(PAM_OBJS) $(PAM_LDFLAGS)

add-eid: $(EXEC_OBJS)
	gcc -o add-eid $(EXEC_OBJS) $(EXEC_LDFLAGS)

pam_eid.o: auth.h pam_eid.h
auth.o:	authorized_eid.h client.h auth.h pam_eid.h
add-eid.o: authorized_eid.h client.h
authorized_eid.o: authorized_eid.h
client.o: client.h

install: all
	install -m 755 -d $(DESTDIR)/usr/lib/$(ARCH)/security
	install	-m 644 pam_eid.so $(DESTDIR)/usr/lib/$(ARCH)/security/
	install -m 755 -d $(DESTDIR)/usr/share/pam-configs
	install -m 644 pam-config-eid $(DESTDIR)/usr/share/pam-configs/eid
	install -m 755 -d $(DESTDIR)/usr/share/man/man8
	install -m 644 pam_eid.8 $(DESTDIR)/usr/share/man/man8/
	install -m 755 -d $(DESTDIR)/usr/bin
	install	-m 755 add-eid $(DESTDIR)/usr/bin/

clean:
	rm -f pam_eid.so add-eid *.o