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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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66
include/hardening.mk Normal file
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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2015-2020 OpenWrt.org
PKG_CHECK_FORMAT_SECURITY ?= 1
PKG_ASLR_PIE ?= 1
PKG_ASLR_PIE_REGULAR ?= 0
PKG_SSP ?= 1
PKG_FORTIFY_SOURCE ?= 1
PKG_RELRO ?= 1
ifdef CONFIG_PKG_CHECK_FORMAT_SECURITY
ifeq ($(strip $(PKG_CHECK_FORMAT_SECURITY)),1)
TARGET_CFLAGS += -Wformat -Werror=format-security
endif
endif
ifdef CONFIG_PKG_ASLR_PIE_ALL
ifeq ($(strip $(PKG_ASLR_PIE)),1)
TARGET_CFLAGS += $(FPIC)
TARGET_LDFLAGS += $(FPIC) -specs=$(INCLUDE_DIR)/hardened-ld-pie.specs
endif
endif
ifdef CONFIG_PKG_ASLR_PIE_REGULAR
ifeq ($(strip $(PKG_ASLR_PIE_REGULAR)),1)
TARGET_CFLAGS += $(FPIC)
TARGET_LDFLAGS += $(FPIC) -specs=$(INCLUDE_DIR)/hardened-ld-pie.specs
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 $(PKG_SSP)),1)
TARGET_CFLAGS += -fstack-protector-strong
endif
endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_ALL
ifeq ($(strip $(PKG_SSP)),1)
TARGET_CFLAGS += -fstack-protector-all
endif
endif
ifdef CONFIG_PKG_FORTIFY_SOURCE_1
ifeq ($(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