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Changed: Added Debian hardening flags

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kervala 2016-11-20 13:19:35 +01:00
parent 123e8d8617
commit 3fcc954183
1 changed files with 17 additions and 2 deletions
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19
code/CMakeModules/nel.cmake
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@ -849,6 +849,9 @@ MACRO(NL_SETUP_BUILD)
ADD_PLATFORM_FLAGS("-D_REENTRANT -fno-strict-aliasing") ADD_PLATFORM_FLAGS("-D_REENTRANT -fno-strict-aliasing")
# hardening
ADD_PLATFORM_FLAGS("-D_FORTIFY_SOURCE=2")
IF(NOT WITH_LOW_MEMORY) IF(NOT WITH_LOW_MEMORY)
ADD_PLATFORM_FLAGS("-pipe") ADD_PLATFORM_FLAGS("-pipe")
ENDIF() ENDIF()
@ -859,6 +862,12 @@ MACRO(NL_SETUP_BUILD)
IF(WITH_WARNINGS) IF(WITH_WARNINGS)
ADD_PLATFORM_FLAGS("-Wall -W -Wpointer-arith -Wsign-compare -Wno-deprecated-declarations -Wno-multichar -Wno-unused") ADD_PLATFORM_FLAGS("-Wall -W -Wpointer-arith -Wsign-compare -Wno-deprecated-declarations -Wno-multichar -Wno-unused")
ELSE()
# Check wrong formats in printf-like functions
ADD_PLATFORM_FLAGS("-Wformat -Werror=format-security")
# Don't display invalid or unused command lines arguments by default (often too verbose)
ADD_PLATFORM_FLAGS("-Wno-invalid-command-line-argument -Wno-unused-command-line-argument")
ENDIF() ENDIF()
IF(ANDROID) IF(ANDROID)
@ -868,7 +877,7 @@ MACRO(NL_SETUP_BUILD)
ADD_PLATFORM_FLAGS("-Wa,--noexecstack") ADD_PLATFORM_FLAGS("-Wa,--noexecstack")
IF(TARGET_ARM) IF(TARGET_ARM)
ADD_PLATFORM_FLAGS("-fpic -fstack-protector") ADD_PLATFORM_FLAGS("-fpic")
ADD_PLATFORM_FLAGS("-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__") ADD_PLATFORM_FLAGS("-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__")
IF(TARGET_ARMV7) IF(TARGET_ARMV7)
@ -893,7 +902,7 @@ MACRO(NL_SETUP_BUILD)
ADD_PLATFORM_FLAGS("-fpic -finline-functions -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers") ADD_PLATFORM_FLAGS("-fpic -finline-functions -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers")
SET(RELEASE_CFLAGS "${RELEASE_CFLAGS} -funswitch-loops -finline-limit=300") SET(RELEASE_CFLAGS "${RELEASE_CFLAGS} -funswitch-loops -finline-limit=300")
ENDIF() ENDIF()
SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now") SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Wl,-z,noexecstack")
SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -L${PLATFORM_ROOT}/usr/lib") SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -L${PLATFORM_ROOT}/usr/lib")
ENDIF() ENDIF()
@ -908,10 +917,16 @@ MACRO(NL_SETUP_BUILD)
SET(PLATFORM_CXXFLAGS "${PLATFORM_CXXFLAGS} -ftemplate-depth-48") SET(PLATFORM_CXXFLAGS "${PLATFORM_CXXFLAGS} -ftemplate-depth-48")
# hardening
ADD_PLATFORM_FLAGS("-fstack-protector --param=ssp-buffer-size=4")
IF(NOT APPLE) IF(NOT APPLE)
SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Wl,--no-undefined -Wl,--as-needed") SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Wl,--no-undefined -Wl,--as-needed")
ENDIF() ENDIF()
# hardening
SET(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now")
IF(WITH_SYMBOLS) IF(WITH_SYMBOLS)
SET(NL_RELEASE_CFLAGS "${NL_RELEASE_CFLAGS} -g") SET(NL_RELEASE_CFLAGS "${NL_RELEASE_CFLAGS} -g")
ELSE() ELSE()