You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

175 lines
6.1 KiB

#!/bin/bash -ex
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
usage () {
echo "Modifies the system image in a target_files.zip package so that it is"
echo " compatible with vendor images of older Android versions."
echo " This script is intended to be run on the Android build servers"
echo " for inter branch mixed build targets."
echo
echo "Usage: $0 [-v <vendor_version>]"
echo " <target_files_path> [<new_security_patch_level>]"
echo
echo "vendor_version is the version of the vendor image"
echo " e.g. 8.1.0 for Android version O-MR1"
echo "new_security_patch_level is the value to replace the SPL in the"
echo " original system.img"
echo "target_files_path is the path to the *-target_files-*.zip file"
}
# Print error message and exit.
# Usage: exit_badparam message
#
# message is a string to be displayed before exit.
exit_badparam () {
echo "ERROR: $1" >&2
usage
exit 1
}
cleanup_and_exit () {
readonly result="$?"
rm -rf "$TEMP_DIR"
exit "$result"
}
trap cleanup_and_exit EXIT
while getopts :v: opt; do
case "$opt" in
v)
readonly VENDOR_VERSION="$OPTARG"
;;
\?)
exit_badparam "Invalid options: -"$OPTARG""
;;
:)
exit_badparam "Option -"$OPTARG" requires an argument."
;;
esac
done
shift "$((OPTIND-1))"
if [[ $# -lt 1 || $# -gt 2 ]]; then
exit_badparam "Unexpected number of arguments"
fi
readonly SYSTEM_TARGET_FILES="$1"
readonly NEW_SPL="$2"
if [[ ! -f "$SYSTEM_TARGET_FILES" ]]; then
exit_badparam "Could not find system target files package, "$SYSTEM_TARGET_FILES""
fi
# SPL must have YYYY-MM-DD format
if [[ $# -eq 2 ]] && [[ ! "$NEW_SPL" =~ ^[0-9]{4}-(0[0-9]|1[012])-([012][0-9]|3[01])$ ]]; then
exit_badparam "<new_security_patch_level> must have YYYY-MM-DD format"
fi
if [[ -z "${ANDROID_BUILD_TOP+x}" ]]; then
build_top=""
else
build_top="$ANDROID_BUILD_TOP"/
fi
readonly add_img_to_target_files="$build_top"build/make/tools/releasetools/add_img_to_target_files.py
# Check required script
if [[ ! -f "$add_img_to_target_files" ]]; then
echo "Error: Cannot find script,", "$add_img_to_target_files"
echo "Please run lunch or run from root of source tree."
exit 1
fi
readonly TEMP_DIR="$(mktemp -d /tmp/"$(basename $0)"_XXXXXXXX)"
readonly SPL_PROPERTY_NAME="ro.build.version.security_patch"
readonly RELEASE_VERSION_PROPERTY_NAME="ro.build.version.release"
readonly VNDK_VERSION_PROPERTY="ro.vndk.version"
readonly VNDK_VERSION_PROPERTY_OMR1="$VNDK_VERSION_PROPERTY"=27
readonly BUILD_PROP_PATH="SYSTEM/build.prop"
readonly PROP_DEFAULT_PATH="SYSTEM/etc/prop.default"
# Unzip build.prop and prop.default from target_files.zip
unzip "$SYSTEM_TARGET_FILES" "$BUILD_PROP_PATH" "$PROP_DEFAULT_PATH" -d "$TEMP_DIR"
readonly BUILD_PROP_FILE="$TEMP_DIR"/"$BUILD_PROP_PATH"
readonly PROP_DEFAULT_FILE="$TEMP_DIR"/"$PROP_DEFAULT_PATH"
if [[ -f "$BUILD_PROP_FILE" ]]; then
readonly CURRENT_SPL=$(sed -n -r "s/^"$SPL_PROPERTY_NAME"=(.*)$/\1/p" "$BUILD_PROP_FILE")
readonly CURRENT_VERSION=$(sed -n -r "s/^"$RELEASE_VERSION_PROPERTY_NAME"=(.*)$/\1/p" "$BUILD_PROP_FILE")
echo "Reading build.prop..."
echo " Current security patch level: "$CURRENT_SPL""
echo " Current release version: "$CURRENT_VERSION""
# Update SPL to <new_security_patch_level>
if [[ "$NEW_SPL" != "" ]]; then
if [[ "$CURRENT_SPL" == "" ]]; then
echo "ERROR: Cannot find "$SPL_PROPERTY_NAME" in "$BUILD_PROP_PATH""
exit 1
else
# Replace the property inplace
sed -i "s/^"$SPL_PROPERTY_NAME"=.*$/"$SPL_PROPERTY_NAME"="$NEW_SPL"/" "$BUILD_PROP_FILE"
echo "Replacing..."
echo " New security patch level: "$NEW_SPL""
fi
fi
# Update release version to <vendor_version>
if [[ "$VENDOR_VERSION" != "" ]]; then
if [[ "$CURRENT_VERSION" == "" ]]; then
echo "ERROR: Cannot find "$RELEASE_VERSION_PROPERTY_NAME" in "$BUILD_PROP_PATH""
exit 1
else
# Replace the property inplace
sed -i "s/^"$RELEASE_VERSION_PROPERTY_NAME"=.*$/"$RELEASE_VERSION_PROPERTY_NAME"="$VENDOR_VERSION"/" "$BUILD_PROP_FILE"
echo "Replacing..."
echo " New release version for vendor.img: "$VENDOR_VERSION""
fi
if [[ "$VENDOR_VERSION" == "8.1.0" ]]; then
# add ro.vndk.version for O-MR1
if [[ -f "$PROP_DEFAULT_FILE" ]]; then
readonly CURRENT_VNDK_VERSION=$(sed -n -r "s/^"$VNDK_VERSION_PROPERTY"=(.*)$/\1/p" "$PROP_DEFAULT_FILE")
if [[ "$CURRENT_VNDK_VERSION" != "" ]]; then
echo "WARNING: "$VNDK_VERSION_PROPERTY" is already set to "$CURRENT_VNDK_VERSION" in "$PROP_DEFAULT_PATH""
echo "DID NOT overwrite "$VNDK_VERSION_PROPERTY""
else
echo "Adding \""$VNDK_VERSION_PROPERTY_OMR1"\" to "$PROP_DEFAULT_PATH" for O-MR1 vendor image."
sed -i -e "\$a\#\n\# FOR O-MR1 DEVICES\n\#\n"$VNDK_VERSION_PROPERTY_OMR1"" "$PROP_DEFAULT_FILE"
fi
else
echo "ERROR: Cannot find "$PROP_DEFAULT_PATH" in "$SYSTEM_TARGET_FILES""
fi
fi
fi
else
echo "ERROR: Cannot find "$BUILD_PROP_PATH" in "$SYSTEM_TARGET_FILES""
exit 1
fi
# Re-zip build.prop and prop.default
(
cd "$TEMP_DIR"
zip -ur "$SYSTEM_TARGET_FILES" ./*
)
# Rebuild system.img
zip -d "$SYSTEM_TARGET_FILES" IMAGES/system\*
"$add_img_to_target_files" -a "$SYSTEM_TARGET_FILES"
echo "Done."