#!/bin/bash #DivestOS: A privacy focused mobile distribution #Copyright (c) 2017-2020 Divested Computing Group # #This program is free software: you can redistribute it and/or modify #it under the terms of the GNU General Public License as published by #the Free Software Foundation, either version 3 of the License, or #(at your option) any later version. # #This program is distributed in the hope that it will be useful, #but WITHOUT ANY WARRANTY; without even the implied warranty of #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #GNU General Public License for more details. # #You should have received a copy of the GNU General Public License #along with this program. If not, see . if [ "$DOS_NON_COMMERCIAL_USE_PATCHES" = true ]; then echo -e "\e[0;33mWARNING: YOU HAVE ENABLED PATCHES THAT WHILE ARE OPEN SOURCE ARE ALSO ENCUMBERED BY RESTRICTIVE LICENSES\e[0m"; echo -e "\e[0;33mPLEASE SEE THE 'LICENSES' FILE AT THE ROOT OF THIS REPOSITORY FOR MORE INFORMATION\e[0m"; echo -e "\e[0;33mDISABLE THEM BY SETTING 'NON_COMMERCIAL_USE_PATCHES' TO 'false' IN 'Scripts/init.sh'\e[0m"; sleep 15; fi; startPatcher() { java -jar "$DOS_BINARY_PATCHER" patch workspace "$DOS_BUILD_BASE" "$DOS_WORKSPACE_ROOT""Patches/Linux/" "$DOS_SCRIPTS_CVES" $1; } export -f startPatcher; enter() { echo "================================================================================================" local dir="$1"; local dirReal="$DOS_BUILD_BASE$dir"; if [ -d "$dirReal" ]; then cd "$dirReal"; echo -e "\e[0;32m[ENTERING] $dir\e[0m"; return 0; else echo -e "\e[0;31m[ENTERING FAILED] $dir\e[0m"; return 1; fi; } export -f enter; enterAndClear() { if enter "$1"; then gitReset; else return 1; fi; } export -f enterAndClear; gitReset() { git add -A && git reset --hard; } export -f gitReset; gpgVerifyDirectory() { if [ -r "$HOME/.gnupg" ]; then for sig in $1/*.asc; do gpg --verify $sig &>/dev/null; if [ "$?" -eq "0" ]; then echo -e "\e[0;32mGPG Verified Successfully: $sig\e[0m"; else echo -e "\e[0;31mWARNING: GPG Verification Failed: $sig\e[0m"; sleep 60; fi; done; else echo -e "\e[0;33mWARNING: ~/.gnupg is unavailable, GPG verification of $1 will not be performed!\e[0m"; fi; } export -f gpgVerifyDirectory; scanForMalware() { if [ -x /usr/bin/clamscan ] && [ -r /var/lib/clamav/main.c*d ]; then echo -e "\e[0;32mStarting a malware scan...\e[0m"; local excludes="--exclude-dir=\".git\" --exclude-dir=\".repo\""; local scanQueue="$2"; if [ "$1" = true ]; then if [ "$DOS_MALWARE_SCAN_SETTING" != "quick" ] || [ "$DOS_MALWARE_SCAN_SETTING" = "extra" ]; then scanQueue=$scanQueue" $DOS_BUILD_BASE/frameworks $DOS_BUILD_BASE/vendor"; fi; if [ "$DOS_MALWARE_SCAN_SETTING" = "slow" ]; then scanQueue=$scanQueue"$DOS_BUILD_BASE/external $DOS_BUILD_BASE/prebuilts $DOS_BUILD_BASE/toolchain $DOS_BUILD_BASE/tools"; fi; if [ "$DOS_MALWARE_SCAN_SETTING" = "full" ]; then scanQueue="$DOS_BUILD_BASE"; fi; fi; du -hsc $scanQueue; /usr/bin/clamscan --recursive --detect-pua --infected --allmatch --max-filesize=4000M --max-scansize=4000M $excludes $scanQueue; local clamscanExit="$?"; if [ "$clamscanExit" -eq "1" ]; then echo -e "\e[0;31m----------------------------------------------------------------\e[0m"; echo -e "\e[0;31mWARNING: MALWARE WAS FOUND! PLEASE INVESTIGATE!\e[0m"; echo -e "\e[0;31m----------------------------------------------------------------\e[0m"; echo -e "\e[0;33mFalse positives such as the following are probably OK\e[0m"; echo -e "\e[0;33mPUAs: Ewind, Mobidash\e[0m"; echo -e "\e[0;31m----------------------------------------------------------------\e[0m"; sleep 60; fi; if [ "$clamscanExit" -eq "0" ]; then echo -e "\e[0;32mNo malware found\e[0m"; fi; if [ "$clamscanExit" -eq "2" ]; then echo -e "\e[0;33m----------------------------------------------------------------\e[0m"; echo -e "\e[0;33mWARNING: AN ERROR OCCURED. PLEASE INVESTIGATE!\e[0m"; echo -e "\e[0;33m----------------------------------------------------------------\e[0m"; sleep 60; fi; else echo -e "\e[0;33mWARNING: clamscan is unavailable, a malware scan will not be performed!\e[0m"; fi; } export -f scanForMalware; generateBootAnimationMask() { local text=$1; local font=$2 local output=$3; convert -background black -fill transparent -font "$font" -gravity center -size 512x128 label:"$text" "$output"; } export -f generateBootAnimationMask; generateBootAnimationShine() { local color=$1; local style=$2; local output=$3; #The colors need to be symmetrical in order to make the animation smooth and not have any noticble lines convert -size 1024x128 -define gradient:angle=90 "$style":"$color" \( +clone -flop \) +append "$output"; } export -f generateBootAnimationShine; audit2allowCurrent() { adb logcat -b all -d | audit2allow -p "$OUT"/root/sepolicy; } export -f audit2allowCurrent; audit2allowADB() { adb pull /sys/fs/selinux/policy; adb logcat -b all -d | audit2allow -p policy; } export -f audit2allowADB; processRelease() { #Reference (MIT): GrapheneOS #https://github.com/GrapheneOS/script/blob/10/release.sh local DEVICE="$1"; local BLOCK="$2"; local VERITY="$3"; local DATE=$(date -u '+%Y%m%d') local KEY_DIR="$DOS_SIGNING_KEYS/$DEVICE"; local VERSION=$(echo $DOS_VERSION | cut -f2 -d "-"); local PREFIX="$DOS_BRANDING_ZIP_PREFIX-$VERSION-$DATE-dos-$DEVICE"; local ARCHIVE="$DOS_BUILDS/$DOS_VERSION/release_keys/"; local OUT_DIR="$DOS_BUILD_BASE/out/target/product/$DEVICE/"; local RELEASETOOLS_PREFIX="build/tools/releasetools/"; if [[ "$DOS_VERSION" == "LineageOS-18.1" ]]; then local RELEASETOOLS_PREFIX=""; fi; echo -e "\e[0;32mProcessing release for $DEVICE\e[0m"; #Arguments if [ "$BLOCK" != false ]; then local BLOCK_SWITCHES="--block"; fi; if [[ "$VERITY" == "verity" ]]; then local VERITY_SWITCHES=(--replace_verity_public_key "$KEY_DIR/verity_key.pub" \ --replace_verity_private_key "$KEY_DIR/verity" \ --replace_verity_keyid "$KEY_DIR/verity.x509.pem"); echo -e "\e[0;32m\t+ Verified Boot 1.0\e[0m"; elif [[ "$VERITY" == "avb" ]]; then #TODO: Verify if both SHA512 and RSA4096 is always supported local VERITY_SWITCHES=(--avb_vbmeta_key "$KEY_DIR/avb.pem" \ --avb_vbmeta_algorithm SHA512_RSA4096 \ --avb_system_key "$KEY_DIR/avb.pem" \ --avb_system_algorithm SHA512_RSA4096); local AVB_PKMD="$KEY_DIR/avb_pkmd.bin"; echo -e "\e[0;32m\t+ Verified Boot 2.0\e[0m"; fi; #Malware Scan if [ "$DOS_MALWARE_SCAN_BEFORE_SIGN" = true ]; then echo -e "\e[0;32mScanning files for malware before signing\e[0m"; scanForMalware false $OUT_DIR/obj/PACKAGING/target_files_intermediates/*$DEVICE-target_files-*.zip; fi; #Target Files echo -e "\e[0;32mSigning target files\e[0m"; "$RELEASETOOLS_PREFIX"sign_target_files_apks -o -d "$KEY_DIR" \ "${VERITY_SWITCHES[@]}" \ $OUT_DIR/obj/PACKAGING/target_files_intermediates/*$DEVICE-target_files-*.zip \ "$OUT_DIR/$PREFIX-target_files.zip"; sha512sum "$OUT_DIR/$PREFIX-target_files.zip" > "$OUT_DIR/$PREFIX-target_files.zip.sha512sum"; local INCREMENTAL_ID=$(grep "ro.build.version.incremental" $OUT_DIR/system/build.prop | cut -f2 -d "=" | sed 's/\.//g'); echo "$INCREMENTAL_ID" > "$OUT_DIR/$PREFIX-target_files.zip.id"; #Image unzip -l $OUT_DIR/$PREFIX-target_files.zip | grep -q recovery.img; local hasRecoveryImg="$?"; if [ "$hasRecoveryImg" == "1" ]; then echo -e "\e[0;32mCreating fastboot image\e[0m"; "$RELEASETOOLS_PREFIX"img_from_target_files "$OUT_DIR/$PREFIX-target_files.zip" \ "$OUT_DIR/$PREFIX-fastboot.zip"; sha512sum "$OUT_DIR/$PREFIX-fastboot.zip" > "$OUT_DIR/$PREFIX-fastboot.zip.sha512sum"; fi #OTA echo -e "\e[0;32mCreating OTA\e[0m"; "$RELEASETOOLS_PREFIX"ota_from_target_files $BLOCK_SWITCHES -k "$KEY_DIR/releasekey" \ "$OUT_DIR/$PREFIX-target_files.zip" \ "$OUT_DIR/$PREFIX-ota.zip"; md5sum "$OUT_DIR/$PREFIX-ota.zip" > "$OUT_DIR/$PREFIX-ota.zip.md5sum"; sha512sum "$OUT_DIR/$PREFIX-ota.zip" > "$OUT_DIR/$PREFIX-ota.zip.sha512sum"; #Deltas if [ "$DOS_GENERATE_DELTAS" = true ]; then if [[ " ${DOS_GENERATE_DELTAS_DEVICES[@]} " =~ " ${DEVICE} " ]]; then for LAST_TARGET_FILES in $ARCHIVE/target_files/$DOS_BRANDING_ZIP_PREFIX-$VERSION-*-dos-$DEVICE-target_files.zip; do if [[ -f "$LAST_TARGET_FILES.id" ]]; then local LAST_INCREMENTAL_ID=$(cat "$LAST_TARGET_FILES.id"); echo -e "\e[0;32mGenerating incremental OTA against $LAST_INCREMENTAL_ID\e[0m"; #TODO: Verify GPG signature and checksum of previous target-files first! "$RELEASETOOLS_PREFIX"ota_from_target_files $BLOCK_SWITCHES -t 8 -k "$KEY_DIR/releasekey" -i \ "$LAST_TARGET_FILES" \ "$OUT_DIR/$PREFIX-target_files.zip" \ "$OUT_DIR/$PREFIX-incremental_$LAST_INCREMENTAL_ID.zip"; sha512sum "$OUT_DIR/$PREFIX-incremental_$LAST_INCREMENTAL_ID.zip" > "$OUT_DIR/$PREFIX-incremental_$LAST_INCREMENTAL_ID.zip.sha512sum"; fi; done; fi; fi; #Extract signed recovery if [ "$hasRecoveryImg" == "0" ]; then echo -e "\e[0;32mExtracting signed recovery.img\e[0m"; mkdir "$OUT_DIR/rec_tmp"; unzip "$OUT_DIR/$PREFIX-target_files.zip" "IMAGES/recovery.img" -d "$OUT_DIR/rec_tmp"; mv "$OUT_DIR/rec_tmp/IMAGES/recovery.img" "$OUT_DIR/$PREFIX-recovery.img"; sha512sum "$OUT_DIR/$PREFIX-recovery.img" > "$OUT_DIR/$PREFIX-recovery.img.sha512sum"; fi; #File name fixes sed -i "s|$OUT_DIR/||" $OUT_DIR/*.md5sum $OUT_DIR/*.sha512sum; sed -i 's/-ota\././' $OUT_DIR/*.md5sum $OUT_DIR/*.sha512sum; sed -i 's/-incremental_/-/' $OUT_DIR/*.md5sum $OUT_DIR/*.sha512sum; #GPG signing if [ "$DOS_GPG_SIGNING" = true ]; then for checksum in $OUT_DIR/*.sha512sum; do echo -e "\e[0;32mGPG signing $checksum\e[0m"; gpg --homedir "$DOS_SIGNING_GPG" --sign --local-user "$DOS_GPG_SIGNING_KEY" --clearsign "$checksum"; if [ "$?" -eq "0" ]; then mv -f "$checksum.asc" "$checksum"; fi; done; fi; #Copy to archive if [ "$DOS_AUTO_ARCHIVE_BUILDS" = true ]; then echo -e "\e[0;32mCopying files to archive\e[0m"; mkdir -vp $ARCHIVE; mkdir -vp $ARCHIVE/target_files; mkdir -vp $ARCHIVE/fastboot; mkdir -vp $ARCHIVE/incrementals; cp -v $OUT_DIR/$PREFIX-target_files.zip* $ARCHIVE/target_files/; cp -v $OUT_DIR/$PREFIX-fastboot.zip* $ARCHIVE/fastboot/ || true; cp -v $OUT_DIR/$PREFIX-ota.zip* $ARCHIVE/; cp -v $OUT_DIR/$PREFIX-incremental_*.zip* $ARCHIVE/incrementals/ || true; cp -v $OUT_DIR/$PREFIX-recovery.img* $ARCHIVE/ || true; rename -- "-ota." "." $ARCHIVE/$PREFIX-ota.zip*; rename -- "-incremental_" "-" $ARCHIVE/incrementals/$PREFIX-incremental_*.zip*; sync; #Remove to make space for next build if [ "$DOS_REMOVE_AFTER" = true ]; then echo -e "\e[0;32mRemoving to reclaim space\e[0m"; #TODO: add a sanity check rm -rf "$OUT_DIR"; fi; fi; sync; echo -e "\e[0;32mRelease processing complete\e[0m"; } export -f processRelease; pushToServer() { rsync -Pau --no-perms --no-owner --no-group incrementals/divested-*-dos-$1-*.zip* root@divestos.org:/var/www/divestos.org/builds/LineageOS/$1/incrementals/ || true; rsync -Pau --no-perms --no-owner --no-group divested-*-dos-$1.zip* root@divestos.org:/var/www/divestos.org/builds/LineageOS/$1/ || true; rsync -Pau --no-perms --no-owner --no-group divested-*-dos-$1-recovery.img root@divestos.org:/var/www/divestos.org/builds/LineageOS/$1/ || true; rsync -Pau --no-perms --no-owner --no-group fastboot/divested-*-dos-$1-*.zip* root@divestos.org:/var/www/divestos.org/builds/LineageOS/$1/ || true; } export -f pushToServer; removeBuildFingerprints() { #Removes the stock/vendor fingerprint, allowing one to be generated instead find device -maxdepth 3 -name "lineage*.mk" -type f -exec sh -c "awk -i inplace '!/BUILD_FINGERPRINT/' {}" \; find device -maxdepth 3 -name "lineage*.mk" -type f -exec sh -c "awk -i inplace '!/PRIVATE_BUILD_DESC/' {}" \; echo "Removed stock build fingerprints"; } export -f removeBuildFingerprints; disableDexPreOpt() { cd "$DOS_BUILD_BASE$1"; if [ -f BoardConfig.mk ]; then sed -i "s/WITH_DEXPREOPT := true/WITH_DEXPREOPT := false/" BoardConfig.mk; echo "Disabled dexpreopt"; fi; cd "$DOS_BUILD_BASE"; } export -f disableDexPreOpt; compressRamdisks() { if [ -f BoardConfig.mk ]; then echo "LZMA_RAMDISK_TARGETS := boot,recovery" >> BoardConfig.mk; echo "Enabled ramdisk compression"; fi; } 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 's/AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 3/AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 2/' *.mk; sed -i '/\/system/{/verify/!s|wait|wait,verify|}' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true; } export -f enableVerity; optimizeImagesRecursive() { find "$1" -type f -name "*.jp*g" -print0 | xargs -0 -n1 -P 16 jpegoptim; find "$1" -type f -name "*.png" -print0 | xargs -0 -n1 -P 16 optipng; } export -f optimizeImagesRecursive; smallerSystem() { echo "BOARD_SYSTEMIMAGE_JOURNAL_SIZE := 0" >> BoardConfig.mk; echo "PRODUCT_MINIMIZE_JAVA_DEBUG_INFO := true" >> device.mk; echo "EXCLUDE_SERIF_FONTS := true" >> BoardConfig.mk; echo "SMALLER_FONT_FOOTPRINT := true" >> BoardConfig.mk; #echo "MINIMAL_FONT_FOOTPRINT := true" >> BoardConfig.mk; sed -i 's/common_full_phone.mk/common_mini_phone.mk/' *.mk &>/dev/null || true; } export -f smallerSystem; deblobAudio() { awk -i inplace '!/BOARD_SUPPORTS_SOUND_TRIGGER/' hardware/qcom/audio-caf/*/configs/*/*.mk &>/dev/null || true; awk -i inplace '!/android.hardware.soundtrigger/' hardware/qcom/audio-caf/*/configs/*/*.mk &>/dev/null || true; awk -i inplace '!/DOLBY_/' hardware/qcom/audio-caf/*/configs/*/*.mk &>/dev/null || true; #awk -i inplace '!/vendor.audio.dolby/' hardware/qcom/audio-caf/*/configs/*/*.mk &>/dev/null || true; } export -f deblobAudio; imsAllowDiag() { find device -name "ims.te" -type f -exec sh -c "echo 'diag_use(ims)' >> {}" \; find device -name "hal_imsrtp.te" -type f -exec sh -c "echo 'diag_use(hal_imsrtp)' >> {}" \; } export -f imsAllowDiag; volteOverride() { cd "$DOS_BUILD_BASE$1"; if grep -sq "config_device_volte_available" "overlay/frameworks/base/core/res/res/values/config.xml"; then if [ -f vendor.prop ] && ! grep -sq "volte_avail_ovr" "vendor.prop"; then echo -e 'persist.dbg.volte_avail_ovr=1\npersist.dbg.vt_avail_ovr=1' >> vendor.prop; echo "Set VoLTE override in vendor.prop for $1"; elif [ -f system.prop ] && ! grep -sq "volte_avail_ovr" "system.prop"; then echo -e 'persist.dbg.volte_avail_ovr=1\npersist.dbg.vt_avail_ovr=1' >> system.prop; echo "Set VoLTE override in system.prop for $1"; fi; if [ -f vendor_prop.mk ] && ! grep -sq "volte_avail_ovr" "vendor_prop.mk"; then echo -e '\nPRODUCT_PROPERTY_OVERRIDES += \\\n persist.dbg.volte_avail_ovr=1 \\\n persist.dbg.vt_avail_ovr=1' >> vendor_prop.mk; echo "Set VoLTE override in vendor_prop.mk for $1"; fi; #TODO: init/init*.cpp, device*.mk fi; cd "$DOS_BUILD_BASE"; } export -f volteOverride; hardenLocationConf() { local gpsConfig=$1; #Debugging: adb logcat -b all | grep -i -e locsvc -e izat -e gps -e gnss -e location -e xtra #sed -i 's|DEBUG_LEVEL = .|DEBUG_LEVEL = 4|' "$gpsConfig" &> /dev/null || true; #Enable GLONASS if [ "$DOS_GPS_GLONASS_FORCED" = true ]; then sed -i 's/#A_GLONASS_POS_PROTOCOL_SELECT =/A_GLONASS_POS_PROTOCOL_SELECT =/' "$gpsConfig" &>/dev/null || true; sed -i 's/A_GLONASS_POS_PROTOCOL_SELECT = 0.*/A_GLONASS_POS_PROTOCOL_SELECT = 15/' "$gpsConfig" &>/dev/null || true; fi; #Change capabilities sed -i 's|CAPABILITIES=.*|CAPABILITIES=0x13|' "$gpsConfig" &> /dev/null || true; #Disable MSA (privacy) and geofencing/ULP (both broken by deblobber) sed -i 's/#SUPL_MODE=/SUPL_MODE=/' "$gpsConfig" &>/dev/null || true; sed -i 's/SUPL_MODE=$/SUPL_MODE=1/' "$gpsConfig" &>/dev/null || true; #Set to MSB if blank (to prevent MSA+MSB default) sed -i "s|SUPL_MODE=3|SUPL_MODE=1|" "$gpsConfig" &> /dev/null || true; #Disable MSA (privacy) #CVE-2018-9526 - See: https://android.googlesource.com/device/google/marlin/+/fa7f7382e8b39f7ca209824f97788ab25c44f6a3 sed -i 's/#SUPL_ES=/SUPL_ES=/' "$gpsConfig" &>/dev/null || true; sed -i "s|SUPL_ES=0|SUPL_ES=1|" "$gpsConfig" &> /dev/null || true; #Change servers sed -i "s|SUPL_HOST=.*|SUPL_HOST=$DOS_GPS_SUPL_HOST|" "$gpsConfig" &> /dev/null || true; sed -i "s|NTP_SERVER=.*|NTP_SERVER=$DOS_GPS_NTP_SERVER|" "$gpsConfig" &> /dev/null || true; #CVE-2016-5341 - See: https://wwws.nightwatchcybersecurity.com/2016/12/05/cve-2016-5341/ #XTRA: Only use specified URLs sed -i 's|XTRA_SERVER_QUERY=1|XTRA_SERVER_QUERY=0|' "$gpsConfig" &>/dev/null || true; sed -i 's|#XTRA_SERVER|XTRA_SERVER|' "$gpsConfig" &>/dev/null || true; #Switch gpsOneXtra to IZatCloud (invalid certificate) sed -i '/xtrapath/!s|://xtra|://xtrapath|' "$gpsConfig" &>/dev/null || true; sed -i 's|gpsonextra.net|izatcloud.net|' "$gpsConfig" &>/dev/null || true; sed -i 's|xtrapath1|xtrapath4|' "$gpsConfig" &>/dev/null || true; sed -i 's|xtrapath2|xtrapath5|' "$gpsConfig" &>/dev/null || true; sed -i 's|xtrapath3|xtrapath6|' "$gpsConfig" &>/dev/null || true; #Enable HTTPS (IZatCloud supports HTTPS) sed -i 's|http://xtrapath|https://xtrapath|' "$gpsConfig" &>/dev/null || true; #sed -i 's|http://gllto|https://gllto|' "$gpsConfig" &>/dev/null || true; XXX: GLPals has an invaid certificate echo "Enhanced location services for $gpsConfig"; } export -f hardenLocationConf; hardenLocationFWB() { local dir=$1; #Enable GLONASS if [ "$DOS_GPS_GLONASS_FORCED" = true ]; then sed -i 's|A_GLONASS_POS_PROTOCOL_SELECT=0.*|A_GLONASS_POS_PROTOCOL_SELECT=15|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; fi; #Change capabilities sed -i "s|SUPL_MODE=3|SUPL_MODE=1|" "$dir"/frameworks/base/core/res/res/values*/*.xml &> /dev/null || true; #Disable MSA (privacy) #CVE-2018-9526 - See: https://android.googlesource.com/device/google/marlin/+/fa7f7382e8b39f7ca209824f97788ab25c44f6a3 sed -i "s|SUPL_ES=0|SUPL_ES=1|" "$dir"/frameworks/base/core/res/res/values*/*.xml &> /dev/null || true; #Change servers sed -i "s|NTP_SERVER=.*|NTP_SERVER=$DOS_GPS_NTP_SERVER|" "$dir"/frameworks/base/core/res/res/values*/*.xml &> /dev/null || true; #CVE-2016-5341 - See: https://wwws.nightwatchcybersecurity.com/2016/12/05/cve-2016-5341/ #Switch gpsOneXtra to IZatCloud (invalid certificate) sed -i '/xtrapath/!s|://xtra|://xtrapath|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; sed -i 's|gpsonextra.net|izatcloud.net|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; sed -i 's|xtrapath1|xtrapath4|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; sed -i 's|xtrapath2|xtrapath5|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; sed -i 's|xtrapath3|xtrapath6|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; #Enable HTTPS (IZatCloud supports HTTPS) sed -i 's|http://xtrapath|https://xtrapath|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; #sed -i 's|http://gllto|https://gllto|' "$dir"/frameworks/base/core/res/res/values*/*.xml &>/dev/null || true; XXX: GLPals has an invaid certificate echo "Enhanced location services for $dir"; } export -f hardenLocationFWB; enableZram() { cd "$DOS_BUILD_BASE$1"; sed -i 's|#/dev/block/zram0|/dev/block/zram0|' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true; echo "Enabled zram for $1"; cd "$DOS_BUILD_BASE"; } export -f enableZram; hardenUserdata() { cd "$DOS_BUILD_BASE$1"; #awk -i inplace '!/f2fs/' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true; #Remove latemount to allow selinux contexts be restored upon /cache wipe #Fixes broken OTA updater and broken /recovery updater sed -i '/\/cache/s|latemount,||' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true; #TODO: Ensure: noatime,nosuid,nodev sed -i '/\/data/{/discard/!s|nosuid|discard,nosuid|}' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true; if [ "$1" != "device/samsung/tuna" ] && [ "$1" != "device/amazon/hdx-common" ]; then #tuna needs first boot to init, hdx-c has broken encryption sed -i 's|encryptable=/|forceencrypt=/|' fstab.* root/fstab.* rootdir/fstab.* rootdir/*/fstab.* &>/dev/null || true; fi; echo "Hardened /data for $1"; cd "$DOS_BUILD_BASE"; } export -f hardenUserdata; hardenBootArgs() { cd "$DOS_BUILD_BASE$1"; #Unavailable: kpti=on pti=on page_alloc.shuffle=1 init_on_alloc=1 init_on_free=1 lockdown=confidentiality sed -i 's/BOARD_KERNEL_CMDLINE := /BOARD_KERNEL_CMDLINE := slab_nomerge slub_debug=FZP page_poison=1 /' BoardConfig*.mk */BoardConfig*.mk &>/dev/null || true; echo "Hardened kernel command line arguments for $1"; cd "$DOS_BUILD_BASE"; } export -f hardenBootArgs; disableAPEX() { cd "$DOS_BUILD_BASE$1"; awk -i inplace '!/DEXPREOPT_GENERATE_APEX_IMAGE/' *.mk &>/dev/null || true; awk -i inplace '!/updatable_apex.mk/' *.mk &>/dev/null || true; cd "$DOS_BUILD_BASE"; } export -f disableAPEX; enableStrongEncryption() { cd "$DOS_BUILD_BASE$1"; if [ -f BoardConfig.mk ]; then echo "TARGET_WANTS_STRONG_ENCRYPTION := true" >> BoardConfig.mk; echo "Enabled AES-256 encryption for $1"; fi; cd "$DOS_BUILD_BASE"; } export -f enableStrongEncryption; addAdbKey() { if [ -f ~/.android/adbkey.pub ]; then cp ~/.android/adbkey.pub "$DOS_BUILD_BASE/vendor/divested/"; echo "PRODUCT_ADB_KEYS := vendor/divested/adbkey.pub" >> "$DOS_BUILD_BASE/vendor/divested/divestos.mk"; fi; } export -f addAdbKey; changeDefaultDNS() { local dnsPrimary=""; local dnsPrimaryV6=""; local dnsSecondary=""; local dnsSecondaryV6=""; if [ ! -z "$DOS_DEFAULT_DNS_PRESET" ]; then if [[ "$DOS_DEFAULT_DNS_PRESET" == "AdGuard" ]]; then #https://adguard.com/en/adguard-dns/overview.html dnsPrimary="176.103.130.130"; dnsPrimaryV6="2a00:5a60::ad1:0ff"; dnsSecondary="176.103.130.131"; dnsSecondaryV6="2a00:5a60::ad2:0ff"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "AdGuard-NOBL" ]]; then #https://adguard.com/en/adguard-dns/overview.html dnsPrimary="176.103.130.136"; dnsPrimaryV6="2a00:5a60::01:ff"; dnsSecondary="176.103.130.137"; dnsSecondaryV6="2a00:5a60::02:ff"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "CensurfriDNS" ]]; then #https://uncensoreddns.org dnsPrimary="91.239.100.100"; dnsPrimaryV6="2001:67c:28a4::"; dnsSecondary="89.233.43.71"; dnsSecondaryV6="2a01:3a0:53:53::"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Cloudflare" ]]; then #https://developers.cloudflare.com/1.1.1.1/commitment-to-privacy/privacy-policy/privacy-policy dnsPrimary="1.0.0.1"; dnsPrimaryV6="2606:4700:4700::1001"; dnsSecondary="1.1.1.1"; dnsSecondaryV6="2606:4700:4700::1111"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Cloudflare-BL" ]]; then #https://developers.cloudflare.com/1.1.1.1/commitment-to-privacy/privacy-policy/privacy-policy dnsPrimary="1.0.0.2"; dnsPrimaryV6="2606:4700:4700::1002"; dnsSecondary="1.1.1.2"; dnsSecondaryV6="2606:4700:4700::1112"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "OpenNIC" ]]; then #https://servers.opennicproject.org/edit.php?srv=ns3.any.dns.opennic.glue dnsPrimary="169.239.202.202"; #FIXME dnsPrimaryV6="2a05:dfc7:5353::53"; dnsSecondary="185.121.177.177"; dnsSecondaryV6="2a05:dfc7:5::53"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "DNSWATCH" ]]; then #https://dns.watch dnsPrimary="84.200.69.80"; dnsPrimaryV6="2001:1608:10:25::1c04:b12f"; dnsSecondary="84.200.70.40"; dnsSecondaryV6="2001:1608:10:25::9249:d69b"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Google" ]]; then #https://developers.google.com/speed/public-dns/privacy dnsPrimary="8.8.8.8"; dnsPrimaryV6="2001:4860:4860::8888"; dnsSecondary="8.8.4.4"; dnsSecondaryV6="2001:4860:4860::8844"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Neustar" ]]; then #https://www.security.neustar/digital-performance/dns-services/recursive-dns dnsPrimary="156.154.70.2"; dnsPrimaryV6="2610:a1:1018::2"; dnsSecondary="156.154.71.2"; dnsSecondaryV6="2610:a1:1019::2"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Neustar-NOBL" ]]; then #https://www.security.neustar/digital-performance/dns-services/recursive-dns dnsPrimary="156.154.70.5"; dnsPrimaryV6="2610:a1:1018::5"; dnsSecondary="156.154.71.5"; dnsSecondaryV6="2610:a1:1019::5"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "NixNet" ]]; then #https://docs.nixnet.services/DNS dnsPrimary="198.251.90.114"; dnsPrimaryV6="2605:6400:20:e6d::1"; dnsSecondary="198.251.90.114"; dnsSecondaryV6="2605:6400:30:f881::1"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "OpenDNS" ]]; then #https://www.cisco.com/c/en/us/about/legal/privacy-full.html dnsPrimary="208.67.222.222"; dnsPrimaryV6="2620:0:ccc::2"; dnsSecondary="208.67.220.220"; dnsSecondaryV6="2620:0:ccd::2"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Quad9" ]]; then #https://www.quad9.net/privacy dnsPrimary="9.9.9.9"; dnsPrimaryV6="2620:fe::fe"; dnsSecondary="149.112.112.112"; dnsSecondaryV6="2620:fe::9"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Quad9-EDNS" ]]; then #https://www.quad9.net/privacy dnsPrimary="9.9.9.11"; dnsPrimaryV6="2620:fe::11"; dnsSecondary="149.112.112.11"; dnsSecondaryV6="2620:fe::fe:11"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Quad9-NOBL" ]]; then #https://www.quad9.net/privacy dnsPrimary="9.9.9.10"; dnsPrimaryV6="2620:fe::10"; dnsSecondary="149.112.112.10"; dnsSecondaryV6="2620:fe::fe:10"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Verisign" ]]; then #https://www.verisign.com/en_US/security-services/public-dns/terms-of-service/index.xhtml dnsPrimary="64.6.64.6"; dnsPrimaryV6="2620:74:1b::1:1"; dnsSecondary="64.6.65.6"; dnsSecondaryV6="2620:74:1c::2:2"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Yandex" ]]; then #https://dns.yandex.com/advanced dnsPrimary="77.88.8.88"; dnsPrimaryV6="2a02:6b8::feed:bad"; dnsSecondary="77.88.8.2"; dnsSecondaryV6="2a02:6b8:0:1::feed:bad"; elif [[ "$DOS_DEFAULT_DNS_PRESET" == "Yandex-NOBL" ]]; then #https://dns.yandex.com/advanced dnsPrimary="77.88.8.8"; dnsPrimaryV6="2a02:6b8::feed:0ff"; dnsSecondary="77.88.8.1"; dnsSecondaryV6="2a02:6b8:0:1::feed:0ff"; fi; else echo "You must first set a preset via the DOS_DEFAULT_DNS_PRESET variable in init.sh!"; fi; local files="core/res/res/values/config.xml packages/SettingsLib/res/values/strings.xml services/core/java/com/android/server/connectivity/NetworkDiagnostics.java services/core/java/com/android/server/connectivity/Tethering.java services/core/java/com/android/server/connectivity/tethering/TetheringConfiguration.java services/java/com/android/server/connectivity/Tethering.java packages/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java core/java/android/net/util/DnsUtils.java"; sed -i "s/8\.8\.8\.8/$dnsPrimary/" $files &>/dev/null || true; sed -i "s/2001:4860:4860::8888/$dnsPrimaryV6/" $files &>/dev/null || true; sed -i "s/8\.8\.4\.4/$dnsSecondary/" $files &>/dev/null || true; sed -i "s/4\.4\.4\.4/$dnsSecondary/" $files &>/dev/null || true; sed -i "s/2001:4860:4860::8844/$dnsSecondaryV6/" $files &>/dev/null || true; } export -f changeDefaultDNS; editKernelLocalversion() { local defconfigPath=$(getDefconfig) sed -i 's/CONFIG_LOCALVERSION=".*"/CONFIG_LOCALVERSION="'"$1"'"/' $defconfigPath &>/dev/null || true; } export -f editKernelLocalversion; getDefconfig() { if ls arch/arm/configs/lineage*defconfig 1> /dev/null 2>&1; then local defconfigPath="arch/arm/configs/lineage*defconfig"; elif ls arch/arm64/configs/lineage*defconfig 1> /dev/null 2>&1; then local defconfigPath="arch/arm64/configs/lineage*defconfig"; else local defconfigPath="arch/arm/configs/*defconfig arch/arm64/configs/*defconfig"; fi; echo $defconfigPath; } export -f getDefconfig; hardenDefconfig() { cd "$DOS_BUILD_BASE$1"; #Attempts to enable/disable supported options to increase security #See https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project/Recommended_Settings #and (GPLv3) https://github.com/a13xp0p0v/kconfig-hardened-check/blob/master/kconfig_hardened_check/__init__.py local defconfigPath=$(getDefconfig) #Enable supported options #Disabled: DEBUG_SG (bootloops - https://patchwork.kernel.org/patch/8989981) declare -a optionsYes=("ARM64_PTR_AUTH" "ARM64_SW_TTBR0_PAN" "ARM64_UAO" "ASYMMETRIC_KEY_TYPE" "ASYMMETRIC_PUBLIC_KEY_SUBTYPE" "BUG" "BUG_ON_DATA_CORRUPTION" "CC_STACKPROTECTOR" "CC_STACKPROTECTOR_STRONG" "CPU_SW_DOMAIN_PAN" "DEBUG_CREDENTIALS" "DEBUG_KERNEL" "DEBUG_LIST" "DEBUG_NOTIFIERS" "DEBUG_RODATA" "DEBUG_SET_MODULE_RONX" "DEBUG_VIRTUAL" "DEBUG_WX" "FORTIFY_SOURCE" "HARDEN_BRANCH_PREDICTOR" "HARDENED_USERCOPY" "HARDEN_EL2_VECTORS" "INIT_ON_ALLOC_DEFAULT_ON" "INIT_ON_FREE_DEFAULT_ON" "INIT_STACK_ALL" "INIT_STACK_ALL_ZERO" "IO_STRICT_DEVMEM" "IPV6_PRIVACY" "KAISER" "KGSL_PER_PROCESS_PAGE_TABLE" "LEGACY_VSYSCALL_NONE" "MMC_SECDISCARD" "PAGE_POISONING" "PAGE_POISONING_NO_SANITY" "PAGE_POISONING_ZERO" "PAGE_TABLE_ISOLATION" "PANIC_ON_OOPS" "PKCS7_MESSAGE_PARSER" "RANDOMIZE_BASE" "RANDOMIZE_MEMORY" "REFCOUNT_FULL" "RETPOLINE" "RODATA_FULL_DEFAULT_ENABLED" "SCHED_STACK_END_CHECK" "SECCOMP" "SECCOMP_FILTER" "SECURITY" "SECURITY_DMESG_RESTRICT" "SECURITY_PERF_EVENTS_RESTRICT" "SECURITY_YAMA" "SECURITY_YAMA_STACKED" "SHUFFLE_PAGE_ALLOCATOR" "SLAB_FREELIST_HARDENED" "SLAB_FREELIST_RANDOM" "SLAB_HARDENED" "SLUB_DEBUG" "SLUB_HARDENED" "STACKPROTECTOR" "STACKPROTECTOR_PER_TASK" "STACKPROTECTOR_STRONG" "STATIC_USERMODEHELPER" "STRICT_DEVMEM" "STRICT_KERNEL_RWX" "STRICT_MEMORY_RWX" "STRICT_MODULE_RWX" "SYN_COOKIES" "SYSTEM_TRUSTED_KEYRING" "THREAD_INFO_IN_TASK" "UNMAP_KERNEL_AT_EL0" "VMAP_STACK" "X509_CERTIFICATE_PARSER"); #optionsYes+="GCC_PLUGINS" "GCC_PLUGIN_LATENT_ENTROPY" "GCC_PLUGIN_RANDSTRUCT" "GCC_PLUGIN_STRUCTLEAK" "GCC_PLUGIN_STRUCTLEAK_BYREF_ALL"); optionsYes+=("PAGE_SANITIZE" "PAGE_SANITIZE_VERIFY" "SLAB_CANARY" "SLAB_SANITIZE" "SLAB_SANITIZE_VERIFY"); #if [ "$DOS_DEBLOBBER_REPLACE_TIME" = true ]; then optionsYes+=("RTC_DRV_MSM" "RTC_DRV_PM8XXX" "RTC_DRV_MSM7X00A" "RTC_DRV_QPNP"); fi; optionsYes+=("HID_STEAM" "HID_SONY" "HID_WIIMOTE" "INPUT_JOYSTICK" "JOYSTICK_XPAD"); #XXX: This needs a better home for option in "${optionsYes[@]}" do sed -i 's/# '"CONFIG_$option"' is not set/'"CONFIG_$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"* ]] && [[ "$1" != *"kernel/oneplus/msm8996"* ]]; then if ! grep -q "CONFIG_$option=y" $defconfigPath; then echo "CONFIG_$option=y" | tee -a $defconfigPath > /dev/null; fi; fi; done #Disable supported options #Disabled: MSM_SMP2P_TEST, MAGIC_SYSRQ (breaks compile), KALLSYMS (breaks boot on select devices), IKCONFIG (breaks recovery), MSM_DLOAD_MODE (breaks compile) declare -a optionsNo=("ACPI_APEI_EINJ" "ACPI_CUSTOM_METHOD" "ACPI_TABLE_UPGRADE" "BINFMT_AOUT" "BINFMT_MISC" "BT_HS" "CHECKPOINT_RESTORE" "COMPAT_BRK" "COMPAT_VDSO" "CP_ACCESS64" "DEBUG_KMEMLEAK" "DEVKMEM" "DEVMEM" "DEVPORT" "EARJACK_DEBUGGER" "GCC_PLUGIN_RANDSTRUCT_PERFORMANCE" "HARDENED_USERCOPY_FALLBACK" "HIBERNATION" "HWPOISON_INJECT" "IA32_EMULATION" "IOMMU_NON_SECURE" "INPUT_EVBUG" "IO_URING" "IP_DCCP" "IP_SCTP" "KEXEC" "KEXEC_FILE" "KSM" "LDISC_AUTOLOAD" "LEGACY_PTYS" "LIVEPATCH" "MEM_SOFT_DIRTY" "MMIOTRACE" "MMIOTRACE_TEST" "MODIFY_LDT_SYSCALL" "MSM_BUSPM_DEV" "NEEDS_SYSCALL_FOR_CMPXCHG" "NOTIFIER_ERROR_INJECTION" "OABI_COMPAT" "PAGE_OWNER" "PROC_KCORE" "PROC_PAGE_MONITOR" "PROC_VMCORE" "RDS" "RDS_TCP" "SECURITY_SELINUX_DISABLE" "SECURITY_WRITABLE_HOOKS" "SLAB_MERGE_DEFAULT" "STACKLEAK_METRICS" "STACKLEAK_RUNTIME_DISABLE" "TIMER_STATS" "TSC" "TSPP2" "UKSM" "UPROBES" "USELIB" "USERFAULTFD" "VIDEO_VIVID" "WLAN_FEATURE_MEMDUMP" "X86_IOPL_IOPERM" "X86_PTDUMP" "X86_VSYSCALL_EMULATION" "ZSMALLOC_STAT"); #if [[ "$1" != *"kernel/htc/msm8994"* ]] && [[ "$1" != *"kernel/samsung/smdk4412"* ]] && [[ "$1" != *"kernel/htc/flounder"* ]] && [[ "$1" != *"kernel/amazon/hdx-common"* ]] && [[ "$1" != *"msm899"* ]] && [[ "$1" != *"sdm8"* ]] && [[ "$1" != *"sdm6"* ]]; then #optionsNo+=("DIAG_CHAR" "DIAG_OVER_USB" "USB_QCOM_DIAG_BRIDGE" "DIAGFWD_BRIDGE_CODE" "DIAG_SDIO_PIPE" "DIAG_HSIC_PIPE"); #fi; if [ "$DOS_DEBLOBBER_REMOVE_IPA" = true ]; then optionsNo+=("IPA" "RMNET_IPA"); fi; optionsNo+=("WIREGUARD"); #Requires root access, which we do not provide for option in "${optionsNo[@]}" do sed -i 's/'"CONFIG_$option"'=y/# '"CONFIG_$option"' is not set/' $defconfigPath &>/dev/null || true; #sed -i 's/'"CONFIG_$option"'=y/'"CONFIG_$option"'=n/' $defconfigPath &>/dev/null || true; #Some defconfigs are very minimal/not-autogenerated, so lets add the rest. Obviously most won't have any affect as they aren't supported. if [[ "$defconfigPath" == *"lineage"* ]]; then if ! grep -q "CONFIG_$option=n" $defconfigPath; then echo "CONFIG_$option=n" | tee -a $defconfigPath > /dev/null; fi; fi; done #Extras sed -i 's/CONFIG_ARCH_MMAP_RND_BITS=8/CONFIG_ARCH_MMAP_RND_BITS=16/' $defconfigPath &>/dev/null || true; sed -i 's/CONFIG_ARCH_MMAP_RND_BITS=18/CONFIG_ARCH_MMAP_RND_BITS=24/' $defconfigPath &>/dev/null || true; 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 XXX: This needs a better home 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; #Workaround broken MSM_DLOAD_MODE=y+PANIC_ON_OOPS=y for devices that oops on shutdown #MSM_DLOAD_MODE can't be disabled as it breaks compile sed -i 's/set_dload_mode(in_panic)/set_dload_mode(0)/' arch/arm/mach-msm/restart.c &>/dev/null || true; editKernelLocalversion "-dos"; echo "Hardened defconfig for $1"; cd "$DOS_BUILD_BASE"; } export -f hardenDefconfig;