# MiniUPnP project
# (c) 2018-2024 Thomas Bernard
# (c) 2015 Tomofumi Hayashi
# http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
# Author : Tomofumi Hayashi
# for use with GNU Make
#
# options can be passed to configure through CONFIG_OPTIONS :
# $ CONFIG_OPTIONS="--ipv6 --igd2" make
#
# To install use :
# $ DESTDIR=/dummyinstalldir make install
# or :
# $ INSTALLPREFIX=/usr/local make install
# or :
# $ make install
# (default INSTALLPREFIX is /usr)
#
#
CONFIG_OPTIONS ?= $(shell cat .configure.cache)
ifeq ($(filter --firewall=nftables,$(CONFIG_OPTIONS)),)
CONFIG_OPTIONS += --firewall=nftables
endif

# Make sucks, prove me wrong
, := ,
ifeq ($(filter -D_FORTIFY_SOURCE=% -Wp$(,)-D_FORTIFY_SOURCE=%,$(CPPFLAGS) $(CFLAGS)),)
CPPFLAGS += -D_FORTIFY_SOURCE=2
endif
CPPFLAGS += -D_GNU_SOURCE

#CFLAGS = -O -g #-DDEBUG
CFLAGS ?= -Os
CFLAGS += -fno-strict-aliasing
CFLAGS += -fno-common
CFLAGS += -fstack-protector -fPIE
CFLAGS += -Wall
CFLAGS += -Wextra -Wstrict-prototypes -Wdeclaration-after-statement
#CFLAGS += -Wno-missing-field-initializers
LDFLAGS += -Wl,-z,now -Wl,-z,relro -pie
CC ?= gcc
RM = rm -f
INSTALL = install
STRIP ?= strip
CP = cp
DOXYGEN ?= doxygen

DEPDIR := .depend
DEPFLAGS = -MMD -MP -MF $(@:%.o=$(DEPDIR)/%.d) -MT $@
# -M : with system headers, -MM : without

INSTALLPREFIX ?= $(PREFIX)/usr
ETCDIR ?= $(PREFIX)/etc
SBINDIR ?= $(INSTALLPREFIX)/sbin
MANDIR ?= $(INSTALLPREFIX)/share/man
LIBDIR ?= $(INSTALLPREFIX)/lib

CONFIGDIR = $(ETCDIR)/miniupnpd
INITDIR = $(ETCDIR)/init.d
SYSTEMDUNITDIR = $(LIBDIR)/systemd/system

include config.mk
include $(SRCDIR)/gitrev.mk
include $(SRCDIR)/objects.mk

# sources in the netfilter_nft/ directory
NETFILTEROBJS = nftnlrdr.o nftpinhole.o nfct_get.o nftnlrdr_misc.o

ALLOBJS = $(BASEOBJS) $(LNXOBJS) $(NETFILTEROBJS) $(OTHEROBJS)

NFT_SCRIPTS = $(addprefix $(SRCDIR)/netfilter_nft/scripts/, \
	nft_init.sh nft_removeall.sh nft_flush.sh nft_delete_chain.sh)

#LDLIBS += -lnfnetlink

EXECUTABLES = miniupnpd miniupnpdctl

ifeq ($(TESTS), 1)
EXECUTABLES += testupnpdescgen testgetifstats \
               testupnppermissions testgetifaddr \
               testgetroute testasyncsendto testportinuse \
               testssdppktgen testminissdp
endif

.PHONY:	all clean install dox

all:	$(EXECUTABLES)

clean:
	$(RM) $(ALLOBJS)
	$(RM) -r $(DEPDIR)
	$(RM) $(EXECUTABLES)
	$(RM) validateupnppermissions validategetifaddr validatessdppktgen
	$(RM) validateversion
	$(RM) -r dox/

install:	miniupnpd $(SRCDIR)/miniupnpd.8 $(SRCDIR)/miniupnpd.conf \
		$(NFT_SCRIPTS) \
		$(SRCDIR)/linux/miniupnpd.init.d.script \
		$(SRCDIR)/linux/miniupnpd.iptables.service
	$(STRIP) miniupnpd
	$(INSTALL) -D -m 0755 miniupnpd -t $(DESTDIR)$(SBINDIR)
	$(INSTALL) -D -m 0755 $(NFT_SCRIPTS) -t $(DESTDIR)$(CONFIGDIR)
	$(INSTALL) -D -m 0644 -b $(SRCDIR)/miniupnpd.conf -t $(DESTDIR)$(CONFIGDIR)
	sed -i -e "s/^uuid=[-0-9a-f]*/uuid=$(shell $(UUIDBIN))/" $(DESTDIR)$(CONFIGDIR)/miniupnpd.conf
ifneq ($(USE_SYSTEMD),)
	$(INSTALL) -D -m 0644 $(SRCDIR)/linux/miniupnpd.nft.service $(DESTDIR)$(SYSTEMDUNITDIR)/miniupnpd.service
	sed -r \
		-e "s|%BINDIR%|$(SBINDIR)|" \
		-e "s|%CONFIGDIR%|$(CONFIGDIR)|" \
		-i $(DESTDIR)/$(SYSTEMDUNITDIR)/miniupnpd.service
	sed -r \
		-e "s|(#lease_file)=.*|\1=/var/lib/miniupnpd/upnp.leases|" \
		-i $(DESTDIR)/$(CONFIGDIR)/miniupnpd.conf
else
	$(INSTALL) -D -m 0755 $(SRCDIR)/linux/miniupnpd.init.d.script $(DESTDIR)$(INITDIR)/miniupnpd
endif
	$(INSTALL) -D -m 0644 $(SRCDIR)/miniupnpd.8 -t $(DESTDIR)$(MANDIR)/man8
	gzip -f $(DESTDIR)$(MANDIR)/man8/miniupnpd.8

include $(SRCDIR)/check.mk

include $(SRCDIR)/common.mk

testportinuse:	testportinuse.o portinuse.o getifaddr.o \
	nftnlrdr.o nftnlrdr_misc.o

config.mk config.h:	$(SRCDIR)/configure $(SRCDIR)/VERSION
	$(SHELL) $< $(CONFIG_OPTIONS)

%.o:	$(SRCDIR)/%.c $(DEPDIR)/%.d | $(DEPDIR)
	$(CC) -c $(DEPFLAGS) $(CFLAGS) $(CPPFLAGS) $< -o $@

%.o:	$(SRCDIR)/linux/%.c $(DEPDIR)/%.d | $(DEPDIR)
	$(CC) -c $(DEPFLAGS) $(CFLAGS) $(CPPFLAGS) $< -o $@

%.o:	$(SRCDIR)/netfilter_nft/%.c $(DEPDIR)/%.d | $(DEPDIR)
	$(CC) -c $(DEPFLAGS) $(CFLAGS) $(CPPFLAGS) $< -o $@


DEPFILES := $(ALLOBJS:%.o=$(DEPDIR)/%.d)
$(DEPDIR): ; @mkdir -p $@
$(DEPFILES):

-include $(wildcard $(DEPFILES))