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# the directory to the strongSwan sources
SWANDIR=${CURDIR}/../../../build-root/build-vpp-native/external/sswan
# location of config.h
CONFIGH=$(SWANDIR)/config.h
# default install prefix: /usr/local or /usr
PREFIX=/usr
# location of the installed strongSwan libraries
SWANLIBS=$(PREFIX)/lib/ipsec/
# location of the strongSwan plugins
SWANPLUGINS=$(PREFIX)/lib/ipsec/plugins
# location of the strongSwan archive
SWANARCHIVE=${CURDIR}/../../../build/external/downloads
# default install configuration files:
PREFIX_SYS_CONF=/etc
# target location of the plugin config snippet: $(PREFIX)/etc/strongswan.d/charon/ or /etc/strongswan.d/charon/
PLUGINCONF=$(PREFIX_SYS_CONF)/strongswan.d/charon/
# location of the VPP libraries
VPPLIBS=$(CURDIR)/../../../build-root/install-vpp-native/vpp/lib/x86_64-linux-gnu
# the directory to the VPP sources
VPPDIR=../../../build-root/install-vpp-native/vpp/include
TARGET=libstrongswan-kernel-vpp.so
# tested only with 5.9.5 and 5.9.6 version of strongSwan
VERSION_SSWAN=5.9.6
CFLAGS=-O2 -g -Wall -Wextra -fpic
CFLAGS_I=-include $(CONFIGH) \
-I$(SWANDIR)/src/libstrongswan \
-I$(SWANDIR)/src/libcharon
LDFLAGS= -lvppinfra \
-lvlibmemoryclient \
-lvlibapi \
-lsvm \
-lvppapiclient
VERSION_VPP=$(shell (dpkg -s vpp | grep Version) | grep -Po '(?<=Version: )\d\d.\d\d')
# check if VPP is installed
ifneq ($(shell test "$(shell ldconfig -p | grep vppinfra.so | awk 'NR==1{print $$1;}')" && echo "yes"), yes)
# check if VPPDIR exists
ifeq ($(shell test -d $(VPPDIR) && echo "yes"), yes)
CFLAGS_I += -I$(VPPDIR)
endif
# check if VPPLIBS exists
ifeq ($(shell test -d $(VPPLIBS) && echo "yes"), yes)
LDFLAGS += -L$(VPPLIBS)
LDFLAGS += -Wl,-rpath=$(VPPLIBS)
endif
endif
SOURCES=$(wildcard *.c)
OBJECTS=$(SOURCES:.c=.o)
all: pull-swan $(TARGET)
pull-swan:
@if [ -d "${SWANDIR}" ]; then \
rm -rf ${SWANDIR} ; \
fi
@if ! [ -f "${SWANARCHIVE}/strongswan-${VERSION_SSWAN}.tar.gz" ]; then \
curl -o ${SWANARCHIVE}/strongswan-${VERSION_SSWAN}.tar.gz -LO https://github.com/strongswan/strongswan/archive/${VERSION_SSWAN}.tar.gz; \
fi
@if ! [ -d "${CURDIR}/../../../build-root/build-vpp-native/external/" ]; then \
mkdir ${CURDIR}/../../../build-root/build-vpp-native/external; \
fi
tar -zxof ${SWANARCHIVE}/strongswan-${VERSION_SSWAN}.tar.gz -C ${CURDIR}/../../../build-root/build-vpp-native/external/
mv ${CURDIR}/../../../build-root/build-vpp-native/external/strongswan-${VERSION_SSWAN} ${SWANDIR}
cd ${SWANDIR} && ./autogen.sh
cd ${SWANDIR} && ./configure --prefix=${PREFIX} --sysconfdir=${PREFIX_SYS_CONF} --enable-libipsec --enable-systemd --enable-swanctl --disable-gmp --enable-openssl
cd ${SWANDIR} && make -j$(nproc)
# cd ${SWANDIR} && sudo make install
# check if VPP is installed
ifneq ($(shell test "$(shell ldconfig -p | grep vppinfra.so | awk 'NR==1{print $$1;}')" && echo "yes"), yes)
$(info INFO: Not found installed VPP - checking if locally VPP exists)
# check if VPPDIR exists
ifneq ($(shell test -d $(VPPDIR) && echo "yes"), yes)
$(error ERROR: Not found installed VPP and locally VPP - please install or build)
else
# check if VPPLIBS exists
ifneq ($(shell test -d $(VPPLIBS) && echo "yes"), yes)
$(error ERROR: directory $(VPPLIBS) - doesn't exists, please compile VPP before build this)
else
$(info INFO: Found locally VPP)
endif
endif
else
$(info INFO: Found installed VPP in version: $(VERSION_VPP))
endif
$(TARGET): $(OBJECTS)
gcc $(CFLAGS) -shared -DPIC $(OBJECTS) $(LDFLAGS) -Wl,-soname -Wl,$(TARGET) -o $@
cp $(TARGET) ${SWANDIR}
%.o: %.c
gcc $(CFLAGS) $(CFLAGS_I) -c $< -o $@ $(LDFLAGS)
install:
cp $(TARGET) $(SWANPLUGINS)/$(TARGET)
cp kernel-vpp.conf $(PLUGINCONF)
clean:
rm -f *.so *.o
.PHONY: clean install all
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