Set hardening options for packages with custom build system

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>

pkg/bzip2/build

@@ -12,7 +12,12 @@ prepare() {
 build() {
 	cp -r ${1}/* ${PKGBUILDDIR}
 
-	make CC=${TARGET}-gcc AR=${TARGET}-ar RANLIB=${TARGET}-ranlib -j $NUMJOBS libbz2.a bzip2 bzip2recover
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	make CFLAGS="-Wall -Winline -O2 -D_FILE_OFFSET_BITS=64 $cflags" \
+	     LDFLAGS="$ldflags" CC=${TARGET}-gcc AR=${TARGET}-ar \
+	     RANLIB=${TARGET}-ranlib -j $NUMJOBS libbz2.a bzip2 bzip2recover
 }
 
 deploy() {

pkg/dnsmasq/build

@@ -12,6 +12,11 @@ prepare() {
 build() {
 	cp -r ${1}/* ${PKGBUILDDIR}
 
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	CFLAGS="-O2 $cflags" \
+	LDFLAGS="$ldflags" \
 	make CC=${TARGET}-gcc PREFIX="/" BINDIR="/bin" -j $NUMJOBS
 }
 

pkg/hostapd/build

@@ -13,7 +13,12 @@ build() {
 	cp -r ${1}/* ${PKGBUILDDIR}
 	cp "$SCRIPTDIR/pkg/$PKGNAME/config" "$PKGBUILDDIR/hostapd/.config"
 
-	export PKG_CONFIG_SYSROOT_DIR="$TCDIR/$TARGET"
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	PKG_CONFIG_SYSROOT_DIR="$TCDIR/$TARGET" \
+	CFLAGS="-MMD -O2 $cflags" \
+	LDFLAGS="$ldflags" \
 	make CC=${TARGET}-gcc -C hostapd -j $NUMJOBS
 }
 

pkg/iproute2/build

@@ -12,7 +12,12 @@ prepare() {
 build() {
 	cp -r ${1}/* ${PKGBUILDDIR}
 
-	make HOSTCC="gcc" AR="${TARGET}-ar" LD="${TARGET}-ld" CC="${TARGET}-gcc" SYSROOT="$TCDIR/$TARGET"
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	make CCOPTS="-O2 $cflags" LDFLAGS="$ldflags" \
+	     HOSTCC="gcc" AR="${TARGET}-ar" LD="${TARGET}-ld" \
+	     CC="${TARGET}-gcc" SYSROOT="$TCDIR/$TARGET"
 }
 
 deploy() {

pkg/iw/build

@@ -12,7 +12,12 @@ prepare() {
 build() {
 	cp -r ${1}/* ${PKGBUILDDIR}
 
-	export PKG_CONFIG_SYSROOT_DIR="$TCDIR/$TARGET"
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	CFLAGS="-O2 $cflags" \
+	LDFLAGS="$ldflags" \
+	PKG_CONFIG_SYSROOT_DIR="$TCDIR/$TARGET" \
 	make CC="${TARGET}-gcc" PKG_CONFIG="${TARGET}-pkg-config" PREFIX= \
 	     SBINDIR=/bin DESTDIR="$2" -j $NUMJOBS
 }

pkg/musl/build

@@ -10,6 +10,10 @@ prepare() {
 }
 
 build() {
+	local cflags="-fPIE -fPIC -fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	CFLAGS="$cflags" LDFLAGS="$ldflags" \
 	CROSS_COMPILE="${TARGET}-" $1/configure --prefix=/ --target="$TARGET"
 	CROSS_COMPILE="${TARGET}-" make -j $NUMJOBS
 }

pkg/nginx/build

@@ -12,6 +12,9 @@ prepare() {
 build() {
 	cp -r ${1}/* ${PKGBUILDDIR}
 
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
 	./configure --prefix="" --sbin-path=/bin/nginx \
 		    --modules-path=/lib/nginx \
 		    --conf-path=/etc/nginx/nginx.conf \
@@ -23,6 +26,7 @@ build() {
 		    --crossbuild=${TARGET} \
 		    --with-cc=${TCDIR}/bin/${TARGET}-gcc \
 		    --with-cpp=${TCDIR}/bin/${TARGET}-cpp \
+		    --with-cc-opt="$cflags" --with-ld-opt="$ldflags" \
 		    --with-poll_module --without-select_module \
 		    --with-threads --with-http_ssl_module \
 		    --with-http_sub_module --with-http_gunzip_module \

pkg/openssl/build

@@ -10,9 +10,13 @@ prepare() {
 }
 
 build() {
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
 	$1/Configure --prefix=/ --cross-compile-prefix="${TARGET}-" \
 		     --openssldir=/etc/ssl --libdir=/lib \
-		     -DOPENSSL_NO_HEARTBEATS \
+		     CFLAGS="-DOPENSSL_NO_HEARTBEATS $cflags" \
+		     LDFLAGS="$ldflags" \
 		     threads shared zlib-dynamic no-async $OPENSSL_TARGET
 
 	make -j 1

pkg/zlib/build

@@ -10,6 +10,10 @@ prepare() {
 }
 
 build() {
+	local cflags="-fstack-protector-all"
+	local ldflags="-z noexecstack -z relro -z now"
+
+	CFLAGS="$cflags" LDFLAGS="$ldflags" \
 	cmake -DCMAKE_TOOLCHAIN_FILE="$CMAKETCFILE" \
 		-DCMAKE_INSTALL_PREFIX="" "$1"