###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2025  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

###############################################################################
# Definitions
###############################################################################

include Config

VER        = 2.5.2

# Download source file from https://download.samba.org/pub/ppp/

THISAPP    = ppp-$(VER)
DL_FILE    = $(THISAPP).tar.gz
DL_FROM    = $(URL_IPFIRE)
DIR_APP    = $(DIR_SRC)/$(THISAPP)
TARGET     = $(DIR_INFO)/$(THISAPP)

# Fix build with GCC 15
CFLAGS    += -std=gnu17 -fno-strict-aliasing

###############################################################################
# Top-level Rules
###############################################################################

objects = $(DL_FILE)

$(DL_FILE) = $(DL_FROM)/$(DL_FILE)

$(DL_FILE)_BLAKE2 = 5a79bfaf23c2f1cba7b2c4e8f27e6033aa7ee6e119b4d96dfd2870f91524052fe9ed16149e5f76cf93370159f491af828b4103eb04bd4f5dbbecca4a08af9d0d

install : $(TARGET)

check : $(patsubst %,$(DIR_CHK)/%,$(objects))

download :$(patsubst %,$(DIR_DL)/%,$(objects))

b2 : $(subst %,%_BLAKE2,$(objects))

###############################################################################
# Downloading, checking, b2sum
###############################################################################

$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	@$(CHECK)

$(patsubst %,$(DIR_DL)/%,$(objects)) :
	@$(LOAD)

$(subst %,%_BLAKE2,$(objects)) :
	@$(B2SUM)

###############################################################################
# Installation Details
###############################################################################

$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	@$(PREBUILD)
	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
	cd $(DIR_APP) && autoreconf -vfi
	cd $(DIR_APP) && patch -Np0 -i $(DIR_SRC)/src/patches/ppp/ppp-2.5.1-1-we-don-t-want-to-accidentally-leak-fds.patch
	cd $(DIR_APP) && patch -Np0 -i $(DIR_SRC)/src/patches/ppp/ppp-2.5.1-2-everywhere-O_CLOEXEC-harder.patch
	cd $(DIR_APP) && patch -Np0 -i $(DIR_SRC)/src/patches/ppp/ppp-2.5.1-3-everywhere-use-SOCK_CLOEXEC-when-creating-socket.patch
	cd $(DIR_APP) && patch -Np0 -i $(DIR_SRC)/src/patches/ppp/ppp-2.5.1-4-increase-max-padi-attempts.patch
	cd $(DIR_APP) && patch -Np0 -i $(DIR_SRC)/src/patches/ppp/ppp-2.5.1-5-headers_4.9.patch
	cd $(DIR_APP) && ./configure \
					--prefix=/usr \
					--sysconfdir=/etc \
					--with-logfile-dir=/var/log \
					--localstatedir=/var \
					--with-runtime-dir=/var/run \
					cc="gcc" \
					cflags="$(CFLAGS)"
	cd $(DIR_APP) && make $(MAKETUNING)
	cd $(DIR_APP) && make install
	touch /var/log/connect-errors
	-mkdir -p /etc/ppp
	for i in $(DIR_SRC)/src/ppp/* ; do \
	    if [ -f $$i ]; then \
	        sed 's%CONFIG_ROOT%$(CONFIG_ROOT)%g' $$i > /etc/ppp/`basename $$i`; \
	    fi; \
	done
	chmod 755 /etc/ppp/{dialer,ip-up,ip-down}
	ln -sf $(CONFIG_ROOT)/ppp/secrets /etc/ppp/pap-secrets
	ln -sf $(CONFIG_ROOT)/ppp/secrets /etc/ppp/chap-secrets
	@rm -rf $(DIR_APP)
	@$(POSTBUILD)