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Resurrect verity

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This commit is contained in:
Tad 2019-05-08 05:27:51 -04:00
parent ebaf61eb31
commit 30bf0f2fb9
6 changed files with 84 additions and 4 deletions
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23
Scripts/Common/Functions.sh
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@ -158,6 +158,23 @@ compressRamdisks() {
}
export -f compressRamdisks;
addVerity() {
echo 'ifeq ($(TARGET_BUILD_VARIANT),user)' >> device.mk;
echo 'PRODUCT_SYSTEM_VERITY_PARTITION := /dev/block/by-name/system' >> device.mk;
echo '$(call inherit-product, build/target/product/verity.mk)' >> device.mk;
echo 'endif' >> device.mk;
sed -i '/on init/a\\ verity_load_state' rootdir/etc/init."${PWD##*/}".rc;
sed -i '/on early-boot/a\\ verity_update_state' rootdir/etc/init."${PWD##*/}".rc;
}
export -f addVerity;
enableVerity() {
sed -i 's/--set_hashtree_disabled_flag//' *.mk;
sed -i '/\/system/{/verify/!s|wait|wait,verify|}' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true;
}
export -f enableVerity;
hardenLocationConf() {
gpsConfig=$1;
#Attempt to get the real device directory
@ -384,7 +401,7 @@ hardenDefconfig() {
#Enable supported options
#Disabled: CONFIG_DEBUG_SG (bootloops - https://patchwork.kernel.org/patch/8989981)
declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_BUG" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CC_STACKPROTECTOR_STRONG" "CONFIG_STACKPROTECTOR" "CONFIG_STACKPROTECTOR_STRONG" "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_PLUGINS" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL" "CONFIG_HARDENED_USERCOPY" "CONFIG_IO_STRICT_DEVMEM" "CONFIG_KAISER" "CONFIG_LEGACY_VSYSCALL_NONE" "CONFIG_PAGE_POISONING" "CONFIG_PAGE_POISONING_NO_SANITY" "CONFIG_PAGE_POISONING_ZERO" "CONFIG_PAGE_TABLE_ISOLATION" "CONFIG_PANIC_ON_OOPS" "CONFIG_RANDOMIZE_BASE" "CONFIG_REFCOUNT_FULL" "CONFIG_RETPOLINE" "CONFIG_SCHED_STACK_END_CHECK" "CONFIG_SECCOMP" "CONFIG_SECCOMP_FILTER" "CONFIG_SECURITY" "CONFIG_SECURITY_PERF_EVENTS_RESTRICT" "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_UNMAP_KERNEL_AT_EL0" "CONFIG_VMAP_STACK" "CONFIG_SECURITY_DMESG_RESTRICT" "CONFIG_SLAB_FREELIST_HARDENED" "CONFIG_GCC_PLUGINS" "CONFIG_GCC_PLUGIN_LATENT_ENTROPY" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL" "CONFIG_GCC_PLUGIN_RANDSTRUCT" "CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE" "CONFIG_IPV6_PRIVACY" "CONFIG_HARDEN_BRANCH_PREDICTOR" "CONFIG_IOMMU_API" "CONFIG_IOMMU_SUPPORT" "CONFIG_IOMMU_HELPER" "CONFIG_INTEL_IOMMU_DEFAULT_ON" "CONFIG_ARM_SMMU" "CONFIG_QCOM_IOMMU" "CONFIG_MSM_IOMMU" "CONFIG_MSM_TZ_SMMU" "CONFIG_KGSL_PER_PROCESS_PAGE_TABLE" "CONFIG_MSM_KGSL_MMU_PAGE_FAULT" "CONFIG_IOMMU_PGTABLES_L2" "CONFIG_TEGRA_IOMMU_SMMU" "CONFIG_TEGRA_IOMMU_GART" "CONFIG_MTK_IOMMU" "CONFIG_EXYNOS_IOMMU" "CONFIG_OMAP_IOMMU" "CONFIG_OF_IOMMU")
declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_BUG" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CC_STACKPROTECTOR_STRONG" "CONFIG_STACKPROTECTOR" "CONFIG_STACKPROTECTOR_STRONG" "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_PLUGINS" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL" "CONFIG_HARDENED_USERCOPY" "CONFIG_IO_STRICT_DEVMEM" "CONFIG_KAISER" "CONFIG_LEGACY_VSYSCALL_NONE" "CONFIG_PAGE_POISONING" "CONFIG_PAGE_POISONING_NO_SANITY" "CONFIG_PAGE_POISONING_ZERO" "CONFIG_PAGE_TABLE_ISOLATION" "CONFIG_PANIC_ON_OOPS" "CONFIG_RANDOMIZE_BASE" "CONFIG_REFCOUNT_FULL" "CONFIG_RETPOLINE" "CONFIG_SCHED_STACK_END_CHECK" "CONFIG_SECCOMP" "CONFIG_SECCOMP_FILTER" "CONFIG_SECURITY" "CONFIG_SECURITY_PERF_EVENTS_RESTRICT" "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_UNMAP_KERNEL_AT_EL0" "CONFIG_VMAP_STACK" "CONFIG_SECURITY_DMESG_RESTRICT" "CONFIG_SLAB_FREELIST_HARDENED" "CONFIG_GCC_PLUGINS" "CONFIG_GCC_PLUGIN_LATENT_ENTROPY" "CONFIG_GCC_PLUGIN_STRUCTLEAK" "CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL" "CONFIG_GCC_PLUGIN_RANDSTRUCT" "CONFIG_GCC_PLUGIN_RANDSTRUCT_PERFORMANCE" "CONFIG_IPV6_PRIVACY" "CONFIG_HARDEN_BRANCH_PREDICTOR" "CONFIG_IOMMU_API" "CONFIG_IOMMU_SUPPORT" "CONFIG_IOMMU_HELPER" "CONFIG_INTEL_IOMMU_DEFAULT_ON" "CONFIG_ARM_SMMU" "CONFIG_QCOM_IOMMU" "CONFIG_MSM_IOMMU" "CONFIG_MSM_TZ_SMMU" "CONFIG_KGSL_PER_PROCESS_PAGE_TABLE" "CONFIG_MSM_KGSL_MMU_PAGE_FAULT" "CONFIG_IOMMU_PGTABLES_L2" "CONFIG_TEGRA_IOMMU_SMMU" "CONFIG_TEGRA_IOMMU_GART" "CONFIG_MTK_IOMMU" "CONFIG_EXYNOS_IOMMU" "CONFIG_OMAP_IOMMU" "CONFIG_OF_IOMMU" "CONFIG_DM_VERITY" "CONFIG_DM_VERITY_FEC" "CONFIG_CM_ANDROID_VERITY")
#if [ "$DOS_DEBLOBBER_REPLACE_TIME" = true ]; then optionsYes+=("CONFIG_RTC_DRV_MSM" "CONFIG_RTC_DRV_PM8XXX" "CONFIG_RTC_DRV_MSM7X00A" "CONFIG_RTC_DRV_QPNP"); fi;
for option in "${optionsYes[@]}"
do
@ -419,6 +436,10 @@ hardenDefconfig() {
sed -i 's/CONFIG_DEFAULT_MMAP_MIN_ADDR=4096/CONFIG_DEFAULT_MMAP_MIN_ADDR=32768/' $defconfigPath &>/dev/null || true;
sed -i 's/CONFIG_LSM_MMAP_MIN_ADDR=4096/CONFIG_LSM_MMAP_MIN_ADDR=32768/' $defconfigPath &>/dev/null || true;
#Resurrect dm-verity
sed -i 's/^\treturn VERITY_STATE_DISABLE;//' drivers/md/dm-android-verity.c &>/dev/null || true;
#sed -i 's/#if 0/#if 1/' drivers/power/reset/msm-poweroff.c &>/dev/null || true;
editKernelLocalversion "-dos";
echo "Hardened defconfig for $1";