DivestOS/Scripts/LineageOS-16.0/Patch.sh

#!/bin/bash
#DivestOS: A privacy focused mobile distribution
#Copyright (c) 2015-2022 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 <https://www.gnu.org/licenses/>.
umask 0022;
set -euo pipefail;
source "$DOS_SCRIPTS_COMMON/Shell.sh";

#Last verified: 2021-10-16

#Initialize aliases
#source ../../Scripts/init.sh

#Delete Everything and Sync
#resetWorkspace

#Apply all of our changes
#patchWorkspace

#Build!
#buildDevice [device]
#buildAll

#
#START OF PREPRATION
#
#Download some (non-executable) out-of-tree files for use later on
cd "$DOS_TMP_DIR";
if [ "$DOS_HOSTS_BLOCKING" = true ]; then $DOS_TOR_WRAPPER wget "$DOS_HOSTS_BLOCKING_LIST" -N -O "$DOS_HOSTS_FILE"; fi;
cd "$DOS_BUILD_BASE";
#
#END OF PREPRATION
#

#
#START OF ROM CHANGES
#

#top dir
cp -r "$DOS_PREBUILT_APPS/Fennec_DOS-Shim" "$DOS_BUILD_BASE/packages/apps/"; #Add a shim to install Fennec DOS without actually including the large APK
cp -r "$DOS_PREBUILT_APPS/SupportDivestOS" "$DOS_BUILD_BASE/packages/apps/"; #Add the Support app
gpgVerifyDirectory "$DOS_PREBUILT_APPS/android_vendor_FDroid_PrebuiltApps/packages";
cp -r "$DOS_PREBUILT_APPS/android_vendor_FDroid_PrebuiltApps/." "$DOS_BUILD_BASE/vendor/fdroid_prebuilt/"; #Add the prebuilt apps
cp -r "$DOS_PATCHES_COMMON/android_vendor_divested/." "$DOS_BUILD_BASE/vendor/divested/"; #Add our vendor files

if enterAndClear "art"; then
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_art/0001-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
fi;

if enterAndClear "bionic"; then
if [ "$DOS_GRAPHENE_MALLOC" = true ]; then applyPatch "$DOS_PATCHES/android_bionic/0001-HM-Use_HM.patch"; fi; #(GrapheneOS)
if [ "$DOS_GRAPHENE_BIONIC" = true ]; then
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-1.patch"; #Add a real explicit_bzero implementation (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-2.patch"; #Replace brk and sbrk with stubs (GrapheneOS) #XXX: some vendor blobs use sbrk
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-3.patch"; #Use blocking getrandom and avoid urandom fallback (GrapheneOS) #XXX: some kernels do not have (working) getrandom
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-4.patch"; #Fix undefined out-of-bounds accesses in sched.h (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-5.patch"; #Stop implicitly marking mappings as mergeable (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-6.patch"; #Replace VLA formatting buffer with dprintf (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-7.patch"; #Increase default pthread stack to 8MiB on 64-bit (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-8.patch"; #Make __stack_chk_guard read-only at runtime (GrapheneOS)
applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-9.patch"; #On 64-bit, zero the leading stack canary byte (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-10.patch"; #Switch pthread_atfork handler allocation to mmap (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-11.patch"; #Add memory protection for pthread_atfork handlers (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-12.patch"; #Add memory protection for at_quick_exit (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-13.patch"; #Add XOR mangling mitigation for thread-local dtors (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-14.patch"; #Use a better pthread_attr junk filling pattern (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_bionic/0002-Graphene_Bionic_Hardening-15.patch"; #Move pthread_internal_t out of the stack mapping (GrapheneOS)
fi;
fi;

if enterAndClear "bootable/recovery"; then
git revert --no-edit 4d361ff13b5bd61d5a6a5e95063b24b8a37a24ab; #Always enforcing
git revert --no-edit 3f55a863ac34969f95bfb38641747d2fd9939630 865c6c770816f6e8099d6d93e04aeea35091a9d6; #Remove sideload cache, breaks with large files
git revert --no-edit 37d729bf; #Fix USB on most devices
git revert --no-edit fe2901b144c515c5a90b547198aed37c209b5a82; #Resurrect dm-verity
applyPatch "$DOS_PATCHES/android_bootable_recovery/0001-No_SerialNum_Restrictions.patch"; #Abort package installs if they are specific to a serial number (GrapheneOS)
sed -i 's/!= 2048/< 2048/' tools/dumpkey/DumpPublicKey.java; #Allow 4096-bit keys
fi;

if enterAndClear "build/make"; then
git revert --no-edit 58544f3aa139b4603fa26c39e8d9259402d658b8; #Re-enable the downgrade check
git revert --no-edit 271f6ffa045064abcac066e97f2cb53ccb3e5126 61f7ee9386be426fd4eadc2c8759362edb5bef8; #Add back PicoTTS and language files
applyPatch "$DOS_PATCHES/android_build/0001-OTA_Keys.patch"; #Add correct keys to recovery for OTA verification (DivestOS)
applyPatch "$DOS_PATCHES/android_build/0002-Enable_fwrapv.patch"; #Use -fwrapv at a minimum (GrapheneOS)
sed -i '74i$(my_res_package): PRIVATE_AAPT_FLAGS += --auto-add-overlay' core/aapt2.mk; #Enable auto-add-overlay for packages, this allows the vendor overlay to easily work across all branches.
sed -i 's/PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 17/PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION := 28/' core/version_defaults.mk; #Set the minimum supported target SDK to Pie (GrapheneOS)
awk -i inplace '!/Email/' target/product/core.mk; #Remove Email
sed -i 's/2022-01-05/2023-02-05/' core/version_defaults.mk; #Bump Security String #P_asb_2023-02 #XXX
fi;

if enterAndClear "build/soong"; then
applyPatch "$DOS_PATCHES/android_build_soong/0001-Enable_fwrapv.patch"; #Use -fwrapv at a minimum (GrapheneOS)
fi;

if enterAndClear "device/qcom/sepolicy-legacy"; then
applyPatch "$DOS_PATCHES/android_device_qcom_sepolicy-legacy/0001-Camera_Fix.patch"; #Fix camera on -user builds XXX: REMOVE THIS TRASH (DivestOS)
echo "SELINUX_IGNORE_NEVERALLOWS := true" >> sepolicy.mk; #Ignore neverallow violations XXX: necessary for -user builds of legacy devices
fi;

if enterAndClear "external/chromium-webview"; then
if [ "$(type -t DOS_WEBVIEW_CHERRYPICK)" = "alias" ] ; then DOS_WEBVIEW_CHERRYPICK; fi; #Update the WebView to latest if available
if [ "$DOS_WEBVIEW_LFS" = true ]; then git lfs pull; fi; #Ensure the objects are available
fi;

if enterAndClear "external/conscrypt"; then
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_external_conscrypt/0001-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
fi;

if enterAndClear "external/dtc"; then
git fetch https://github.com/LineageOS/android_external_dtc refs/changes/96/342096/1 && git cherry-pick FETCH_HEAD; #P_asb_2022-10
git fetch https://github.com/LineageOS/android_external_dtc refs/changes/61/344161/1 && git cherry-pick FETCH_HEAD; #P_asb_2022-11
git fetch https://github.com/LineageOS/android_external_dtc refs/changes/91/345891/1 && git cherry-pick FETCH_HEAD; #P_asb_2022-12
fi;

if enterAndClear "external/expat"; then
git fetch https://github.com/LineageOS/android_external_expat refs/changes/53/338353/1 && git cherry-pick FETCH_HEAD; #P_asb_2022-09
git fetch https://github.com/LineageOS/android_external_expat refs/changes/54/338354/1 && git cherry-pick FETCH_HEAD;
git fetch https://github.com/LineageOS/android_external_expat refs/changes/55/338355/1 && git cherry-pick FETCH_HEAD;
git fetch https://github.com/LineageOS/android_external_expat refs/changes/56/338356/1 && git cherry-pick FETCH_HEAD;
git fetch https://github.com/LineageOS/android_external_expat refs/changes/28/349328/1 && git cherry-pick FETCH_HEAD; #P_asb_2023-02
fi;

if [ "$DOS_GRAPHENE_MALLOC" = true ]; then
if enterAndClear "external/hardened_malloc"; then
applyPatch "$DOS_PATCHES_COMMON/android_external_hardened_malloc/0001-Broken_Audio.patch"; #DeviceDescriptor sorting wrongly relies on malloc addresses (GrapheneOS)
applyPatch "$DOS_PATCHES_COMMON/android_external_hardened_malloc/0002-Broken_Cameras.patch"; #Expand workaround to all camera executables (DivestOS)
fi;
fi;

if enterAndClear "external/svox"; then
git revert --no-edit 1419d63b4889a26d22443fd8df1f9073bf229d3d; #Add back Makefiles
sed -i '12iLOCAL_SDK_VERSION := current' pico/Android.mk; #Fix build under Pie
sed -i 's/about to delete/unable to delete/' pico/src/com/svox/pico/LangPackUninstaller.java;
awk -i inplace '!/deletePackage/' pico/src/com/svox/pico/LangPackUninstaller.java;
fi;

if enterAndClear "frameworks/av"; then
if [ "$DOS_GRAPHENE_MALLOC" = true ]; then applyPatch "$DOS_PATCHES/android_frameworks_av/0001-HM-No_RLIMIT_AS.patch"; fi; #(GrapheneOS)
fi;

if enterAndClear "frameworks/base"; then
applyPatch "$DOS_PATCHES/android_frameworks_base/0007-Always_Restict_Serial.patch"; #Always restrict access to Build.SERIAL (GrapheneOS)
applyPatch "$DOS_PATCHES/android_frameworks_base/0008-Browser_No_Location.patch"; #Don't grant location permission to system browsers (GrapheneOS)
applyPatch "$DOS_PATCHES/android_frameworks_base/0009-SystemUI_No_Permission_Review.patch"; #Allow SystemUI to directly manage Bluetooth/WiFi (GrapheneOS)
if [ "$DOS_GRAPHENE_EXEC" = true ]; then
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-1.patch"; #Add exec-based spawning support (GrapheneOS)
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-2.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-3.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-4.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-5.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-6.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-7.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-8.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-9.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-10.patch";
applyPatch "$DOS_PATCHES/android_frameworks_base/0010-Exec_Based_Spawning-11.patch";
sed -i 's/sys.spawn.exec/persist.security.exec_spawn_new/' core/java/com/android/internal/os/ZygoteConnection.java;
fi;
applyPatch "$DOS_PATCHES_COMMON/android_frameworks_base/0003-SUPL_No_IMSI.patch"; #Don't send IMSI to SUPL (MSe1969)
applyPatch "$DOS_PATCHES_COMMON/android_frameworks_base/0004-Fingerprint_Lockout.patch"; #Enable fingerprint lockout after three failed attempts (GrapheneOS)
applyPatch "$DOS_PATCHES_COMMON/android_frameworks_base/0005-User_Logout.patch"; #Allow user logout (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_frameworks_base/0012-Private_DNS.patch"; #More 'Private DNS' options (heavily based off of a CalyxOS patch)
applyPatch "$DOS_PATCHES/android_frameworks_base/0013-Special_Permissions.patch"; #Support new special runtime permissions (GrapheneOS)
applyPatch "$DOS_PATCHES/android_frameworks_base/0013-Network_Permission-1.patch"; #Make INTERNET into a special runtime permission (GrapheneOS)
applyPatch "$DOS_PATCHES/android_frameworks_base/0013-Network_Permission-2.patch"; #Add a NETWORK permission group for INTERNET (GrapheneOS)
applyPatch "$DOS_PATCHES/android_frameworks_base/0013-Sensors_Permission.patch"; #Add special runtime permission for other sensors (GrapheneOS)
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_frameworks_base/0014-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
sed -i 's/DEFAULT_MAX_FILES = 1000;/DEFAULT_MAX_FILES = 0;/' services/core/java/com/android/server/DropBoxManagerService.java; #Disable DropBox internal logging service
sed -i 's/DEFAULT_MAX_FILES_LOWRAM = 300;/DEFAULT_MAX_FILES_LOWRAM = 0;/' services/core/java/com/android/server/DropBoxManagerService.java;
sed -i 's/(notif.needNotify)/(true)/' location/java/com/android/internal/location/GpsNetInitiatedHandler.java; #Notify the user if their location is requested via SUPL
sed -i 's/entry == null/entry == null || true/' core/java/android/os/RecoverySystem.java; #Skip strict update compatibiltity checks XXX: TEMPORARY FIX
sed -i 's/!Build.isBuildConsistent()/false/' services/core/java/com/android/server/am/ActivityManagerService.java; #Disable partition fingerprint mismatch warnings XXX: TEMPORARY FIX
sed -i 's/return 16;/return 64;/' core/java/android/app/admin/DevicePolicyManager.java; #Increase default max password length to 64 (GrapheneOS)
sed -i 's/DEFAULT_STRONG_AUTH_TIMEOUT_MS = 72 \* 60 \* 60 \* 1000;/DEFAULT_STRONG_AUTH_TIMEOUT_MS = 12 * 60 * 60 * 1000;/' core/java/android/app/admin/DevicePolicyManager.java; #Decrease the strong auth prompt timeout to occur more often
hardenLocationFWB "$DOS_BUILD_BASE"; #Harden the default GPS config
sed -i '301i\        if(packageList != null && packageList.length() > 0) { packageList += ","; } packageList += "net.sourceforge.opencamera";' core/java/android/hardware/Camera.java; #Add Open Camera to aux camera allowlist
rm -rf packages/CompanionDeviceManager; #Used to support Android Wear (which hard depends on GMS)
rm -rf packages/PrintRecommendationService; #Creates popups to install proprietary print apps
fi;

if enterAndClear "frameworks/native"; then
applyPatch "$DOS_PATCHES/android_frameworks_native/0001-Sensors.patch"; #Require OTHER_SENSORS permission for sensors (GrapheneOS)
fi;

if [ "$DOS_DEBLOBBER_REMOVE_IMS" = true ]; then
if enterAndClear "frameworks/opt/net/ims"; then
applyPatch "$DOS_PATCHES/android_frameworks_opt_net_ims/0001-Fix_Calling.patch"; #Fix calling when IMS is removed (DivestOS)
fi;
fi;

if enterAndClear "frameworks/opt/net/wifi"; then
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_frameworks_opt_net_wifi/0001-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
fi;

if enterAndClear "hardware/qcom/display"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8084.patch" --directory="msm8084"; #(Qualcomm)
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8916.patch" --directory="msm8226";
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8960.patch" --directory="msm8960";
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8974.patch" --directory="msm8974";
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8994.patch" --directory="msm8994";
#TODO: missing msm8909, msm8996, msm8998, sdm845, sdm8150
fi;

if enterAndClear "hardware/qcom/display-caf/apq8084"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-apq8084.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8916"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8916.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8952"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8952.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8960"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8960.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8974"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8974.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8994"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8994.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8996"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8996.patch";
fi;

if enterAndClear "hardware/qcom/display-caf/msm8998"; then
applyPatch "$DOS_PATCHES_COMMON/android_hardware_qcom_display/CVE-2019-2306-msm8998.patch";
fi;

if enterAndClear "libcore"; then
applyPatch "$DOS_PATCHES/android_libcore/0001-Network_Permission.patch"; #Expose the NETWORK permission (GrapheneOS)
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_libcore/0002-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
fi;

if enterAndClear "lineage-sdk"; then
awk -i inplace '!/LineageWeatherManagerService/' lineage/res/res/values/config.xml; #Disable Weather
if [ "$DOS_DEBLOBBER_REMOVE_AUDIOFX" = true ]; then awk -i inplace '!/LineageAudioService/' lineage/res/res/values/config.xml; fi; #Remove AudioFX
fi;

if enterAndClear "packages/apps/Bluetooth"; then
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_packages_apps_Bluetooth/0001-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
fi;

if enterAndClear "packages/apps/Contacts"; then
applyPatch "$DOS_PATCHES_COMMON/android_packages_apps_Contacts/0001-No_Google_Links.patch"; #Remove Privacy Policy and Terms of Service links (GrapheneOS)
applyPatch "$DOS_PATCHES_COMMON/android_packages_apps_Contacts/0003-Skip_Accounts.patch"; #Don't prompt to add account when creating a contact (CalyxOS)
applyPatch "$DOS_PATCHES_COMMON/android_packages_apps_Contacts/0004-No_GMaps.patch"; #Use common intent for directions instead of Google Maps URL (GrapheneOS)
fi;

if enterAndClear "packages/apps/Dialer"; then
applyPatch "$DOS_PATCHES/android_packages_apps_Dialer/0001-Not_Private_Banner.patch"; #Add a privacy warning banner to calls (CalyxOS)
fi;

if enterAndClear "packages/apps/LineageParts"; then
rm -rf src/org/lineageos/lineageparts/lineagestats/ res/xml/anonymous_stats.xml res/xml/preview_data.xml; #Nuke part of the analytics
applyPatch "$DOS_PATCHES/android_packages_apps_LineageParts/0001-Remove_Analytics.patch"; #Remove analytics (DivestOS)
cp -f "$DOS_PATCHES_COMMON/contributors.db" assets/contributors.db; #Update contributors cloud
fi;

if enterAndClear "packages/apps/Nfc"; then
if [ "$DOS_GRAPHENE_CONSTIFY" = true ]; then applyPatch "$DOS_PATCHES/android_packages_apps_Nfc/0001-constify_JNINativeMethod.patch"; fi; #Constify JNINativeMethod tables (GrapheneOS)
fi;

if enterAndClear "packages/apps/PackageInstaller"; then
applyPatch "$DOS_PATCHES/android_packages_apps_PackageInstaller/0001-Network_Permission-1.patch"; #Always treat INTERNET as a runtime permission (GrapheneOS)
applyPatch "$DOS_PATCHES/android_packages_apps_PackageInstaller/0001-Network_Permission-2.patch"; #Add NETWORK permission group (GrapheneOS)
applyPatch "$DOS_PATCHES/android_packages_apps_PackageInstaller/0001-Sensors_Permission-1.patch"; #Add OTHER_SENSORS permission group (GrapheneOS)
applyPatch "$DOS_PATCHES/android_packages_apps_PackageInstaller/0001-Sensors_Permission-2.patch"; #Always treat OTHER_SENSORS as a runtime permission (GrapheneOS)
fi;

if enterAndClear "packages/apps/Settings"; then
git revert --no-edit c240992b4c86c7f226290807a2f41f2619e7e5e8; #Don't hide OEM unlock
applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0001-Captive_Portal_Toggle.patch"; #Add option to disable captive portal checks (MSe1969)
#applyPatch "$DOS_PATCHES/android_packages_apps_Settings/0004-Private_DNS.patch"; #More 'Private DNS' options (heavily based off of a CalyxOS patch) #TODO: Needs work
sed -i 's/private int mPasswordMaxLength = 16;/private int mPasswordMaxLength = 64;/' src/com/android/settings/password/ChooseLockPassword.java; #Increase default max password length to 64 (GrapheneOS)
sed -i 's/if (isFullDiskEncrypted()) {/if (false) {/' src/com/android/settings/accessibility/*AccessibilityService*.java; #Never disable secure start-up when enabling an accessibility service
fi;

if enterAndClear "packages/apps/SetupWizard"; then
applyPatch "$DOS_PATCHES/android_packages_apps_SetupWizard/0001-Remove_Analytics.patch"; #Remove analytics (DivestOS)
fi;

if enterAndClear "packages/apps/Trebuchet"; then
cp $DOS_BUILD_BASE/vendor/divested/overlay/common/packages/apps/Trebuchet/res/xml/default_workspace_*.xml res/xml/; #XXX: Likely no longer needed
fi;

if enterAndClear "packages/apps/Updater"; then
applyPatch "$DOS_PATCHES/android_packages_apps_Updater/0001-Server.patch"; #Switch to our server (DivestOS)
applyPatch "$DOS_PATCHES/android_packages_apps_Updater/0002-Tor_Support.patch"; #Add Tor support (DivestOS)
sed -i 's/PROP_BUILD_VERSION_INCREMENTAL);/PROP_BUILD_VERSION_INCREMENTAL).replaceAll("\\\\.", "");/' src/org/lineageos/updater/misc/Utils.java; #Remove periods from incremental version
#TODO: Remove changelog
fi;

if enterAndClear "packages/inputmethods/LatinIME"; then
applyPatch "$DOS_PATCHES_COMMON/android_packages_inputmethods_LatinIME/0001-Voice.patch"; #Remove voice input key (DivestOS)
applyPatch "$DOS_PATCHES_COMMON/android_packages_inputmethods_LatinIME/0002-Disable_Personalization.patch"; #Disable personalization dictionary by default (GrapheneOS)
fi;

if enterAndClear "packages/providers/DownloadProvider"; then
applyPatch "$DOS_PATCHES/android_packages_providers_DownloadProvider/0001-Network_Permission.patch"; #Expose the NETWORK permission (GrapheneOS)
fi;

#if enterAndClear "packages/providers/TelephonyProvider"; then
#cp $DOS_PATCHES_COMMON/android_packages_providers_TelephonyProvider/carrier_list.* assets/;
#fi;

if enterAndClear "packages/services/Telephony"; then
git revert --no-edit 99564aaf0417c9ddf7d6aeb10d326e5b24fa8f55;
applyPatch "$DOS_PATCHES/android_packages_services_Telephony/0001-PREREQ_Handle_All_Modes.patch"; #(DivestOS)
applyPatch "$DOS_PATCHES/android_packages_services_Telephony/0002-More_Preferred_Network_Modes.patch";
fi;

#if enterAndClear "system/bt"; then
#applyPatch "$DOS_PATCHES_COMMON/android_system_bt/0001-alloc_size.patch"; #Add alloc_size attributes to the allocator (GrapheneOS)
#fi;

if enterAndClear "system/core"; then
if [ "$DOS_HOSTS_BLOCKING" = true ]; then cat "$DOS_HOSTS_FILE" >> rootdir/etc/hosts; fi; #Merge in our HOSTS file
git revert --no-edit b3609d82999d23634c5e6db706a3ecbc5348309a; #Always update recovery
applyPatch "$DOS_PATCHES/android_system_core/0001-Harden.patch"; #Harden mounts with nodev/noexec/nosuid + misc sysctl changes (GrapheneOS)
if [ "$DOS_GRAPHENE_MALLOC" = true ]; then applyPatch "$DOS_PATCHES/android_system_core/0002-HM-Increase_vm_mmc.patch"; fi; #(GrapheneOS)
if [ "$DOS_GRAPHENE_BIONIC" = true ]; then applyPatch "$DOS_PATCHES/android_system_core/0003-Zero_Sensitive_Info.patch"; fi; #Zero sensitive information with explicit_bzero (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_system_core/0004-ptrace_scope.patch"; #Add a property for controlling ptrace_scope (GrapheneOS)
fi;

if enterAndClear "system/extras"; then
applyPatch "$DOS_PATCHES/android_system_extras/0001-ext4_pad_filenames.patch"; #FBE: pad filenames more (GrapheneOS)
fi;

if enterAndClear "system/sepolicy"; then
applyPatch "$DOS_PATCHES/android_system_sepolicy/0002-protected_files.patch"; #label protected_{fifos,regular} as proc_security (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_system_sepolicy/0003-ptrace_scope-1.patch"; #Allow init to control kernel.yama.ptrace_scope (GrapheneOS)
#applyPatch "$DOS_PATCHES/android_system_sepolicy/0003-ptrace_scope-2.patch"; #Allow system to use persist.native_debug (GrapheneOS)
git am "$DOS_PATCHES/android_system_sepolicy/0001-LGE_Fixes.patch"; #Fix -user builds for LGE devices (DivestOS)
patch -p1 < "$DOS_PATCHES/android_system_sepolicy/0001-LGE_Fixes.patch" --directory="prebuilts/api/28.0";
patch -p1 < "$DOS_PATCHES/android_system_sepolicy/0001-LGE_Fixes.patch" --directory="prebuilts/api/27.0";
patch -p1 < "$DOS_PATCHES/android_system_sepolicy/0001-LGE_Fixes.patch" --directory="prebuilts/api/26.0";
awk -i inplace '!/true cannot be used in user builds/' Android.mk; #Allow ignoring neverallows under -user
fi;

if enterAndClear "vendor/lineage"; then
rm build/target/product/security/lineage.x509.pem; #Remove Lineage keys
rm -rf overlay/common/lineage-sdk/packages/LineageSettingsProvider/res/values/defaults.xml; #Remove analytics
rm -rf verity_tool; #Resurrect dm-verity
rm -rf addonsu;
rm -rf overlay/common/frameworks/base/core/res/res/drawable-*/default_wallpaper.png; #Remove Lineage wallpaper
if [ "$DOS_HOSTS_BLOCKING" = true ]; then awk -i inplace '!/50-lineage.sh/' config/*.mk; fi; #Make sure our hosts is always used
awk -i inplace '!/PRODUCT_EXTRA_RECOVERY_KEYS/' config/*.mk; #Remove Lineage extra keys
awk -i inplace '!/security\/lineage/' config/*.mk; #Remove Lineage extra keys
awk -i inplace '!/WeatherProvider/' config/*.mk; #Remove Weather
awk -i inplace '!/def_backup_transport/' overlay/common/frameworks/base/packages/SettingsProvider/res/values/defaults.xml; #Unset default backup provider
if [ "$DOS_DEBLOBBER_REMOVE_AUDIOFX" = true ]; then awk -i inplace '!/AudioFX/' config/*.mk; fi; #Remove AudioFX
sed -i 's/LINEAGE_BUILDTYPE := UNOFFICIAL/LINEAGE_BUILDTYPE := dos/' config/*.mk; #Change buildtype
echo 'include vendor/divested/divestos.mk' >> config/common.mk; #Include our customizations
cp -f "$DOS_PATCHES_COMMON/apns-conf.xml" prebuilt/common/etc/apns-conf.xml; #Update APN list
awk -i inplace '!/Eleven/' config/common_mobile.mk; #Remove Music Player
awk -i inplace '!/Exchange2/' config/common_mobile.mk; #Remove Email
cp -f "$DOS_PATCHES_COMMON/config_webview_packages.xml" overlay/common/frameworks/base/core/res/res/xml/config_webview_packages.xml; #Change allowed WebView providers
fi;

if enter "vendor/divested"; then
echo "PRODUCT_PACKAGES += vendor.lineage.trust@1.0-service" >> packages.mk; #Add deny usb service, all of our kernels have the necessary patch
fi;
#
#END OF ROM CHANGES
#

#
#START OF DEVICE CHANGES
#
if enterAndClear "device/lge/hammerhead"; then
git am $DOS_PATCHES/android_device_lge_hammerhead/*.patch; #hh-p-sepolicy
echo "SELINUX_IGNORE_NEVERALLOWS := true" >> BoardConfig.mk; #qcom-legacy sepolicy
fi;

if enterAndClear "device/wileyfox/kipper"; then
compressRamdisks;
fi;

#Make changes to all devices
cd "$DOS_BUILD_BASE";
find "hardware/qcom/gps" -name "gps\.conf" -type f -print0 | xargs -0 -n 1 -P 4 -I {} bash -c 'hardenLocationConf "{}"';
find "device" -name "gps\.conf*" -type f -print0 | xargs -0 -n 1 -P 4 -I {} bash -c 'hardenLocationConf "{}"';
find "vendor" -name "gps\.conf" -type f -print0 | xargs -0 -n 1 -P 4 -I {} bash -c 'hardenLocationConf "{}"';
find "device" -type d -name "overlay" -print0 | xargs -0 -n 1 -P 4 -I {} bash -c 'hardenLocationFWB "{}"';
if [ "$DOS_DEBLOBBER_REMOVE_IMS" = "false" ]; then find "device" -maxdepth 2 -mindepth 2 -type d -print0 | xargs -0 -n 1 -P 8 -I {} bash -c 'volteOverride "{}"'; fi;
find "device" -maxdepth 2 -mindepth 2 -type d -print0 | xargs -0 -n 1 -P 8 -I {} bash -c 'enableDexPreOpt "{}"';
find "device" -maxdepth 2 -mindepth 2 -type d -print0 | xargs -0 -n 1 -P 8 -I {} bash -c 'hardenUserdata "{}"';
find "kernel" -maxdepth 2 -mindepth 2 -type d -print0 | xargs -0 -n 1 -P 4 -I {} bash -c 'hardenDefconfig "{}"';
find "kernel" -maxdepth 2 -mindepth 2 -type d -print0 | xargs -0 -n 1 -P 8 -I {} bash -c 'updateRegDb "{}"';
if [ "$DOS_GRAPHENE_EXEC" = true ]; then find "device" -maxdepth 2 -mindepth 2 -type d -print0 | xargs -0 -n 1 -P 8 -I {} bash -c 'disableEnforceRRO "{}"'; fi;
cd "$DOS_BUILD_BASE";
deblobAudio;
removeBuildFingerprints;
changeDefaultDNS; #Change the default DNS servers
fixupCarrierConfigs || true; #Remove silly carrier restrictions
cd "$DOS_BUILD_BASE";

#Tweaks for <2GB RAM devices
#none yet
#Tweaks for <3GB RAM devices
#enableLowRam "device/lge/hammerhead" "hammerhead";
#enableLowRam "device/samsung/kccat6" "kccat6";

#Fix broken options enabled by hardenDefconfig()
[[ -d kernel/google/yellowstone ]] && sed -i "s/CONFIG_DEBUG_RODATA=y/# CONFIG_DEBUG_RODATA is not set/" kernel/google/yellowstone/arch/arm*/configs/*_defconfig; #Breaks on compile
[[ -d kernel/xiaomi/msm8937 ]] && sed -i "s/CONFIG_STRICT_MEMORY_RWX=y/# CONFIG_STRICT_MEMORY_RWX is not set/" kernel/xiaomi/msm8937/arch/arm64/configs/*_defconfig; #Breaks on compile

sed -i 's/^YYLTYPE yylloc;/extern YYLTYPE yylloc;/' kernel/*/*/scripts/dtc/dtc-lexer.l* || true; #Fix builds with GCC 10
rm -v kernel/*/*/drivers/staging/greybus/tools/Android.mk || true;
#
#END OF DEVICE CHANGES
#
echo -e "\e[0;32m[SCRIPT COMPLETE] Primary patching finished\e[0m";