diff options
Diffstat (limited to 'include/hardening.mk')
| -rw-r--r-- | include/hardening.mk | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/hardening.mk b/include/hardening.mk new file mode 100644 index 0000000..c277081 --- /dev/null +++ b/include/hardening.mk @@ -0,0 +1,50 @@ +# +# Copyright (C) 2015 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +PKG_CHECK_FORMAT_SECURITY ?= 1 +PKG_SSP ?= 1 +PKG_FORTIFY_SOURCE ?= 1 +PKG_RELRO ?= 1 + +ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY + ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1) + TARGET_CFLAGS += -Wformat -Werror=format-security + endif +endif +ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR + ifeq ($(strip $(PKG_SSP)),1) + TARGET_CFLAGS += -fstack-protector + endif +endif +ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG + ifeq ($(strip $(PKG_SSP)),1) + TARGET_CFLAGS += -fstack-protector-strong + endif +endif +ifdef CONFIG_PKG_FORTIFY_SOURCE_1 + ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1) + TARGET_CFLAGS += -D_FORTIFY_SOURCE=1 + endif +endif +ifdef CONFIG_PKG_FORTIFY_SOURCE_2 + ifeq ($(strip $(PKG_FORTIFY_SOURCE)),1) + TARGET_CFLAGS += -D_FORTIFY_SOURCE=2 + endif +endif +ifdef CONFIG_PKG_RELRO_PARTIAL + ifeq ($(strip $(PKG_RELRO)),1) + TARGET_CFLAGS += -Wl,-z,relro + TARGET_LDFLAGS += -zrelro + endif +endif +ifdef CONFIG_PKG_RELRO_FULL + ifeq ($(strip $(PKG_RELRO)),1) + TARGET_CFLAGS += -Wl,-z,now -Wl,-z,relro + TARGET_LDFLAGS += -znow -zrelro + endif +endif + |