mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-07-01 00:51:44 +00:00
227 lines
9.5 KiB
Bash
227 lines
9.5 KiB
Bash
#!/bin/bash
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#DivestOS: A privacy oriented Android distribution
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#Copyright (c) 2017-2018 Spot Communications, Inc.
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#
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#This program is free software: you can redistribute it and/or modify
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#it under the terms of the GNU General Public License as published by
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#the Free Software Foundation, either version 3 of the License, or
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#(at your option) any later version.
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#
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#This program is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#GNU General Public License for more details.
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#
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#You should have received a copy of the GNU General Public License
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#along with this program. If not, see <https://www.gnu.org/licenses/>.
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startPatcher() {
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#$cvePatcher must be set!
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java -jar $cvePatcher patch $base $androidWorkspace"Patches/" $cveScripts $1;
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}
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export -f startPatcher;
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patchAllKernels() {
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startPatcher "kernel_fairphone_msm8974 kernel_google_marlin kernel_google_msm kernel_htc_flounder kernel_huawei_angler kernel_lge_bullhead kernel_lge_g3 kernel_lge_hammerhead kernel_lge_msm8974 kernel_nextbit_msm8992 kernel_oppo_msm8974 kernel_samsung_msm8974";
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}
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export -f patchAllKernels;
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enter() {
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echo "================================================================================================"
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dir=$1;
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cd $base$dir;
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echo "[ENTERING] "$dir;
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}
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export -f enter;
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enterAndClear() {
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enter $1;
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gitReset;
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}
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export -f enterAndClear;
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gitReset() {
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git add -A && git reset --hard;
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}
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export -f gitReset;
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resetWorkspace() {
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repo forall -c 'git add -A && git reset --hard' && rm -rf packages/apps/{FDroid,GmsCore,Silence} out && repo sync -j20 --force-sync;
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}
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export -f resetWorkspace;
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buildDevice() {
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brunch lineage_$1-user;
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}
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export -f buildDevice;
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buildAll() {
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#Select devices are userdebug due to SELinux policy issues
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#TODO: Add victara, griffin, athene, us997, us996, pme, t0lte, hlte
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brunch lineage_bacon-user;
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brunch lineage_d852-userdebug;
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brunch lineage_d855-userdebug;
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brunch lineage_angler-user;
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brunch lineage_bullhead-user;
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brunch lineage_flounder-user;
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#brunch lineage_shamu-user;
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#brunch lineage_hammerhead-user;
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}
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export -f buildAll;
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buildAllNO3() {
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brunch lineage_flo-user; #Not affected by size, but breaks: undefined reference to 'mm_jpeg_get_new_session_idx'
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}
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export -f buildAllNO3;
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patchWorkspace() {
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source build/envsetup.sh;
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repopick 204743 204744;
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source $scripts/Patch.sh;
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source $scripts/Defaults.sh;
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source $scripts/Overclock.sh;
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source $scripts/Optimize.sh;
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source $scripts/Rebrand.sh;
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source $scripts/Theme.sh;
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source $scripts/Deblob.sh;
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source $scripts/Patch_CVE.sh;
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source build/envsetup.sh;
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}
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export -f patchWorkspace;
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enableDexPreOpt() {
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cd $base$1;
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if [ $1 != "device/amazon/thor" ] && [ $1 != "device/samsung/i9100" ] && [ $1 != "device/lge/h850" ]; then #Some devices won't compile, or have too small of a /system partition
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if [ -f BoardConfig.mk ]; then
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echo "WITH_DEXPREOPT := true" >> BoardConfig.mk;
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echo "WITH_DEXPREOPT_PIC := true" >> BoardConfig.mk;
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echo "WITH_DEXPREOPT_BOOT_IMG_ONLY := true" >> BoardConfig.mk;
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echo "Enabled dexpreopt for $1";
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fi;
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fi;
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cd $base;
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}
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export -f enableDexPreOpt;
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enableDexPreOptFull() {
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if [ -f BoardConfig.mk ]; then
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sed -i "s/WITH_DEXPREOPT_BOOT_IMG_ONLY := true/WITH_DEXPREOPT_BOOT_IMG_ONLY := false/" BoardConfig.mk;
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echo "Enabled full dexpreopt";
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fi;
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}
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export -f enableDexPreOptFull;
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enhanceLocation() {
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cd $base$1;
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#Enable GLONASS
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#sed -i 's/#A_GLONASS_POS_PROTOCOL_SELECT/A_GLONASS_POS_PROTOCOL_SELECT/' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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#sed -i 's/A_GLONASS_POS_PROTOCOL_SELECT = 0.*/A_GLONASS_POS_PROTOCOL_SELECT = 15/' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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#sed -i 's|A_GLONASS_POS_PROTOCOL_SELECT=0.*</item>|A_GLONASS_POS_PROTOCOL_SELECT=15</item>|' overlay/frameworks/base/core/res/res/values-*/*.xml &>/dev/null || true;
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#Recommended reading: https://wwws.nightwatchcybersecurity.com/2016/12/05/cve-2016-5341/
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#XTRA: Only use specified URLs
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sed -i 's|XTRA_SERVER_QUERY=1|XTRA_SERVER_QUERY=0|' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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sed -i 's|#XTRA_SERVER|XTRA_SERVER|' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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#XTRA: Enable HTTPS
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sed -i 's|http://xtra|https://xtra|' overlay/frameworks/base/core/res/res/values-*/*.xml gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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#XTRA: Use format version 3 if possible
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if grep -sq "XTRA_VERSION_CHECK" gps.conf gps/gps.conf configs/gps.conf; then #Using hardware/qcom/gps OR precompiled blob OR device specific implementation
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sed -i 's|XTRA_VERSION_CHECK=0|XTRA_VERSION_CHECK=1|' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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sed -i 's|xtra2.bin|xtra3grc.bin|' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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elif grep -sq "BOARD_VENDOR_QCOM_LOC_PDK_FEATURE_SET := true" BoardConfig.mk boards/*gps.mk; then
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if ! grep -sq "USE_DEVICE_SPECIFIC_LOC_API := true" BoardConfig.mk boards/*gps.mk; then
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if ! grep -sq "libloc" *proprietary*.txt; then #Using hardware/qcom/gps
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sed -i 's|xtra2.bin|xtra3grc.bin|' gps.conf gps/gps.conf configs/gps.conf &>/dev/null || true;
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fi;
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fi;
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fi;
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echo "Enhanced location services for $1";
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cd $base;
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}
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export -f enhanceLocation;
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enableZram() {
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cd $base$1;
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sed -i 's|#/dev/block/zram0|/dev/block/zram0|' fstab.* root/fstab.* rootdir/fstab.* rootdir/etc/fstab.* &>/dev/null || true;
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echo "Enabled zram for $1";
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cd $base;
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}
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export -f enableZram;
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enableForcedEncryption() {
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cd $base$1;
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if [[ $1 != "device/lge/mako" ]]; then #Forced encryption seems to prevent some devices from booting
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sed -i 's|encryptable=/|forceencrypt=/|' fstab.* root/fstab.* rootdir/fstab.* rootdir/etc/fstab.* &>/dev/null || true;
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echo "Enabled forceencrypt for $1";
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fi;
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cd $base;
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}
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export -f enableForcedEncryption;
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enableStrongEncryption() {
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cd $base$1;
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if [ -f BoardConfig.mk ]; then
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echo "TARGET_WANTS_STRONG_ENCRYPTION := true" >> BoardConfig.mk;
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echo "Enabled AES-256 encryption for $1";
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fi;
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cd $base;
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}
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export -f enableStrongEncryption;
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getDefconfig() {
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if ls arch/arm/configs/lineage*defconfig 1> /dev/null 2>&1; then
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defconfigPath="arch/arm/configs/lineage*defconfig";
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elif ls arch/arm64/configs/lineage*defconfig 1> /dev/null 2>&1; then
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defconfigPath="arch/arm64/configs/lineage*defconfig";
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else
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defconfigPath="arch/arm/configs/*defconfig arch/arm64/configs/*defconfig";
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fi;
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echo $defconfigPath;
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#echo "Found defconfig at $defconfigPath"
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}
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export -f getDefconfig;
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editKernelLocalversion() {
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defconfigPath=$(getDefconfig)
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sed -i 's/CONFIG_LOCALVERSION=".*"/CONFIG_LOCALVERSION="'$1'"/' $defconfigPath &>/dev/null || true;
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}
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export -f editKernelLocalversion;
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hardenDefconfig() {
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cd $base$1;
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#Attempts to enable/disable supported options to increase security
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#See https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings
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defconfigPath=$(getDefconfig)
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#Enable supported options
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#Disabled: CONFIG_DEBUG_SG (bootloops - https://patchwork.kernel.org/patch/8989981)
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declare -a optionsYes=("CONFIG_ARM64_SW_TTBR0_PAN" "CONFIG_BUG" "CONFIG_BUG_ON_DATA_CORRUPTION" "CONFIG_CC_STACKPROTECTOR" "CONFIG_CC_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")
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for option in "${optionsYes[@]}"
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do
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sed -i 's/# '$option' is not set/'$option'=y/' $defconfigPath &>/dev/null || true;
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#Some defconfigs are very minimal/not-autogenerated, so lets add the rest. Obviously most won't have any affect as they aren't supported.
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if [[ $defconfigPath == *"lineage"* ]]; then
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if ! grep -q $option"=y" $defconfigPath; then
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echo $option"=y" | tee -a $defconfigPath > /dev/null;
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fi;
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fi;
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done
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#Disable supported options
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#TODO: Disable earjack/uart debugger
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declare -a optionsNo=("CONFIG_ACPI_CUSTOM_METHOD" "CONFIG_BINFMT_MISC" "CONFIG_COMPAT_BRK" "CONFIG_COMPAT_VDSO" "CONFIG_CP_ACCESS64" "CONFIG_DEVKMEM" "CONFIG_DEVMEM" "CONFIG_DEVPORT" "CONFIG_HIBERNATION" "CONFIG_INET_DIAG" "CONFIG_KEXEC" "CONFIG_LEGACY_PTYS" "CONFIG_MSM_BUSPM_DEV" "CONFIG_OABI_COMPAT" "CONFIG_PROC_KCORE" "CONFIG_PROC_VMCORE" "CONFIG_SECURITY_SELINUX_DISABLE" "CONFIG_SLAB_MERGE_DEFAULT")
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for option in "${optionsNo[@]}"
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do
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sed -i 's/'$option'=y/# '$option' is not set/' $defconfigPath &>/dev/null || true;
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done
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#Extras
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sed -i 's/CONFIG_DEFAULT_MMAP_MIN_ADDR=4096/CONFIG_DEFAULT_MMAP_MIN_ADDR=32768/' $defconfigPath &>/dev/null || true;
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sed -i 's/CONFIG_LSM_MMAP_MIN_ADDR=4096/CONFIG_DEFAULT_MMAP_MIN_ADDR=32768/' $defconfigPath &>/dev/null || true;
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editKernelLocalversion "-dos";
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echo "Hardened defconfig for $1";
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cd $base;
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}
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export -f hardenDefconfig;
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