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Many improvements to the hardenDefconfig function

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This commit is contained in:
Tad 2017-12-09 13:27:49 -05:00
parent 07b6c89e07
commit f65bbb8ee0
3 changed files with 15 additions and 6 deletions
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2
Patches/Android

@ -1 +1 @@
Subproject commit 094efa86a7ff1e7a4ca6aaaac8fd18fef9c4e96c
Subproject commit ec21a198e9d9bd97830752eb628d68c893748135

17
Scripts/LineageOS-14.1/Functions.sh
View File

@ -81,21 +81,30 @@ hardenDefconfig() {
#Attempts to enable/disable supported options to increase security
#See https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings
if ls arch/arm*/configs/lineage*defconfig 1> /dev/null 2>&1; then
defconfigPath="arch/arm/configs/lineage*defconfig arch/arm64/configs/lineage*defconfig";
if ls arch/arm/configs/lineage*defconfig 1> /dev/null 2>&1; then
defconfigPath="arch/arm/configs/lineage*defconfig";
elif ls arch/arm64/configs/lineage*defconfig 1> /dev/null 2>&1; then
defconfigPath="arch/arm64/configs/lineage*defconfig";
else
defconfigPath="arch/arm/configs/*defconfig arch/arm64/configs/*defconfig";
fi;
#echo "Found defconfig at $defconfigPath"
#Enable supported options
#Disabled: CONFIG_DEBUG_SG (bootloops - https://patchwork.kernel.org/patch/8989981)
declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_BUG" "CONFIG_CC_STACKPROTECTOR_STRONG" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CPU_SW_DOMAIN_PAN" "CONFIG_DEBUG_CREDENTIALS" "CONFIG_DEBUG_KERNEL" "CONFIG_DEBUG_LIST" "CONFIG_DEBUG_NOTIFIERS" "CONFIG_DEBUG_RODATA" "CONFIG_DEBUG_WX" "CONFIG_FORTIFY_SOURCE" "CONFIG_GCC_PLUGIN_LATENT_ENTROPY" "CONFIG_GCC_PLUGIN_RANDSTRUCT" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGINS" "CONFIG_HARDENED_USERCOPY" "CONFIG_IO_STRICT_DEVMEM" "CONFIG_LEGACY_VSYSCALL_NONE" "CONFIG_PAGE_POISONING_NO_SANITY" "CONFIG_PAGE_POISONING" "CONFIG_PAGE_POISONING_ZERO" "CONFIG_PANIC_ON_OOPS" "CONFIG_RANDOMIZE_BASE" "CONFIG_REFCOUNT_FULL" "CONFIG_SCHED_STACK_END_CHECK" "CONFIG_SECCOMP_FILTER" "CONFIG_SECCOMP" "CONFIG_SECURITY" "CONFIG_SECURITY_YAMA" "CONFIG_SECURITY_YAMA_STACKED" "CONFIG_SLAB_FREELIST_RANDOM" "CONFIG_SLAB_HARDENED" "CONFIG_SLUB_DEBUG" "CONFIG_STRICT_DEVMEM" "CONFIG_STRICT_KERNEL_RWX" "CONFIG_STRICT_MEMORY_RWX" "CONFIG_SYN_COOKIES" "CONFIG_VMAP_STACK")
declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_BUG" "CONFIG_CC_STACKPROTECTOR_STRONG" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CPU_SW_DOMAIN_PAN" "CONFIG_DEBUG_CREDENTIALS" "CONFIG_DEBUG_KERNEL" "CONFIG_DEBUG_LIST" "CONFIG_DEBUG_NOTIFIERS" "CONFIG_DEBUG_RODATA" "CONFIG_DEBUG_WX" "CONFIG_FORTIFY_SOURCE" "CONFIG_GCC_PLUGIN_LATENT_ENTROPY" "CONFIG_GCC_PLUGIN_RANDSTRUCT" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGINS" "CONFIG_HARDENED_USERCOPY" "CONFIG_IO_STRICT_DEVMEM" "CONFIG_LEGACY_VSYSCALL_NONE" "CONFIG_PAGE_POISONING_NO_SANITY" "CONFIG_PAGE_POISONING" "CONFIG_PAGE_POISONING_ZERO" "CONFIG_PANIC_ON_OOPS" "CONFIG_RANDOMIZE_BASE" "CONFIG_REFCOUNT_FULL" "CONFIG_SCHED_STACK_END_CHECK" "CONFIG_SECCOMP_FILTER" "CONFIG_SECCOMP" "CONFIG_SECURITY" "CONFIG_SECURITY_YAMA" "CONFIG_SECURITY_YAMA_STACKED" "CONFIG_SLAB_FREELIST_RANDOM" "CONFIG_SLAB_HARDENED" "CONFIG_SLUB_DEBUG" "CONFIG_STRICT_DEVMEM" "CONFIG_STRICT_KERNEL_RWX" "CONFIG_STRICT_MEMORY_RWX" "CONFIG_SYN_COOKIES" "CONFIG_VMAP_STACK" "CONFIG_SECURITY_PERF_EVENTS_RESTRICT")
for option in "${optionsYes[@]}"
do
sed -i 's/# '$option' is not set/'$option'=y/' $defconfigPath &>/dev/null || true;
#Some defconfigs are very minimal/not-autogenerated, so lets add the rest. Obviously most won't have any affect as they aren't supported.
if [[ $defconfigPath == *"lineage"* ]]; then
if ! grep -q $option"=y" $defconfigPath; then
echo $option"=y" | tee -a $defconfigPath > /dev/null;
fi;
fi;
done
#Disable supported options
declare -a optionsNo=("CONFIG_SECURITY_SELINUX_DISABLE" "CONFIG_PROC_KCORE" "CONFIG_OABI_COMPAT" "CONFIG_KEXEC" "CONFIG_LEGACY_PTYS" "CONFIG_HIBERNATION" "CONFIG_INET_DIAG" "CONFIG_DEVKMEM" "CONFIG_DEVMEM" "CONFIG_COMPAT_BRK" "CONFIG_COMPAT_VDSO" "CONFIG_BINFMT_MISC" "CONFIG_ACPI_CUSTOM_METHOD")
declare -a optionsNo=("CONFIG_SECURITY_SELINUX_DISABLE" "CONFIG_PROC_KCORE" "CONFIG_OABI_COMPAT" "CONFIG_KEXEC" "CONFIG_LEGACY_PTYS" "CONFIG_HIBERNATION" "CONFIG_INET_DIAG" "CONFIG_DEVKMEM" "CONFIG_DEVMEM" "CONFIG_COMPAT_BRK" "CONFIG_COMPAT_VDSO" "CONFIG_BINFMT_MISC" "CONFIG_ACPI_CUSTOM_METHOD" "CONFIG_MSM_BUSPM_DEV" "CONFIG_CP_ACCESS64")
for option in "${optionsNo[@]}"
do
sed -i 's/'$option'=y/# '$option' is not set/' $defconfigPath &>/dev/null || true;

2
Scripts/LineageOS-14.1/Patch.sh
View File

@ -16,7 +16,7 @@
#along with this program. If not, see <https://www.gnu.org/licenses/>.
#Delete Everything and Sync
#repo forall -c 'git add -A && git reset --hard' && rm -rf packages/apps/{FDroid,GmsCore,Silence} out && repo sync -j20 --force-sync
#repo forall -c 'git add -A && git reset --hard' && rm -rf packages/apps/{FDroid,GmsCore,Silence} out && repo sync -j20 --force-sync && repopick -t n_asb_12-2017
#Apply all of our changes
#source ../../Scripts/LineageOS-14.1/00init.sh && source $scripts/Patch.sh && source $scripts/Defaults.sh && source $scripts/Optimize.sh && source $scripts/Rebrand.sh && source $scripts/Theme.sh && source $scripts/Deblob.sh && source $scripts/Patch_CVE.sh && source build/envsetup.sh