brillo_update_payload revision 98e691cc6debda3ef671acba001bebd45da36377
1be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma#!/bin/bash 2be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 3be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Copyright 2015 The Chromium OS Authors. All rights reserved. 4be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Use of this source code is governed by a BSD-style license that can be 5be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# found in the LICENSE file. 6be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 7be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Script to generate a Brillo update for use by the update engine. 8be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# 9be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# usage: brillo_update_payload COMMAND [ARGS] 10be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# The following commands are supported: 11be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# generate generate an unsigned payload 12be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# hash generate a payload or metadata hash 13be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# sign generate a signed payload 1498e691cc6debda3ef671acba001bebd45da36377Alex Deymo# properties generate a properties file from a payload 15be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# 16be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Generate command arguments: 179a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# --payload generated unsigned payload output file 189a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# --source_image if defined, generate a delta payload from the specified 199a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# image to the target_image 209a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# --target_image the target image that should be sent to clients 219a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# --metadata_size_file if defined, generate a file containing the size of the payload 229a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# metadata in bytes to the specified file 23be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# 24be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Hash command arguments: 25be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# --unsigned_payload the input unsigned payload to generate the hash from 26be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# --signature_size signature sizes in bytes in the following format: 2789ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# "size1:size2[:...]" 28be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# --payload_hash_file if defined, generate a payload hash and output to the 29be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# specified file 30be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# --metadata_hash_file if defined, generate a metadata hash and output to the 31be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# specified file 32be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# 33be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Sign command arguments: 3489ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# --unsigned_payload the input unsigned payload to insert the signatures 3589ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# --payload the output signed payload 3689ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# --signature_size signature sizes in bytes in the following format: 3789ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# "size1:size2[:...]" 3889ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# --payload_signature_file the payload signature files in the following 3989ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# format: 4089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# "payload_signature1:payload_signature2[:...]" 4189ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# --metadata_signature_file the metadata signature files in the following 4289ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# format: 4389ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# "metadata_signature1:metadata_signature2[:...]" 449a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# --metadata_size_file if defined, generate a file containing the size of 459a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# the signed payload metadata in bytes to the 469a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma# specified file 47be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Note that the number of signature sizes and payload signatures have to match. 4898e691cc6debda3ef671acba001bebd45da36377Alex Deymo# 4998e691cc6debda3ef671acba001bebd45da36377Alex Deymo# Properties command arguments: 5098e691cc6debda3ef671acba001bebd45da36377Alex Deymo# --payload the input signed or unsigned payload 5198e691cc6debda3ef671acba001bebd45da36377Alex Deymo# --properties_file the output path where to write the properties, or 5298e691cc6debda3ef671acba001bebd45da36377Alex Deymo# '-' for stdout. 5398e691cc6debda3ef671acba001bebd45da36377Alex Deymo 54be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 5561e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo# Exit codes: 5661e1fa89e01952d772f4aca843fa817a7a30fe66Alex DeymoEX_UNSUPPORTED_DELTA=100 5761e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo 58f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusumawarn() { 59f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusuma echo "brillo_update_payload: warning: $*" >&2 60f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusuma} 61f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusuma 62957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnolddie() { 63957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold echo "brillo_update_payload: error: $*" >&2 64957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold exit 1 65957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold} 66be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 67957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold# Loads shflags. We first look at the default install location; then look for 68957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold# crosutils (chroot); finally check our own directory (au-generator zipfile). 69957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnoldload_shflags() { 70957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold local my_dir="$(dirname "$(readlink -f "$0")")" 71957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold local path 72957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold for path in /usr/share/misc {/usr/lib/crosutils,"${my_dir}"}/lib/shflags; do 73957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold if [[ -r "${path}/shflags" ]]; then 74957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold . "${path}/shflags" || die "Could not load ${path}/shflags." 75957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold return 76be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma fi 77be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma done 78957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnold die "Could not find shflags." 79be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 80be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 81957ce12832240c1e8a66af425d8524a3cbfdfd97Gilad Arnoldload_shflags 82be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 83c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex DeymoHELP_GENERATE="generate: Generate an unsigned update payload." 84c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex DeymoHELP_HASH="hash: Generate the hashes of the unsigned payload and metadata used \ 85c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymofor signing." 86c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex DeymoHELP_SIGN="sign: Insert the signatures into the unsigned payload." 8798e691cc6debda3ef671acba001bebd45da36377Alex DeymoHELP_PROPERTIES="properties: Extract payload properties to a file." 88c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo 89c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymousage() { 90c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo "Supported commands:" 91c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo 92c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo "${HELP_GENERATE}" 93c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo "${HELP_HASH}" 94c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo "${HELP_SIGN}" 9598e691cc6debda3ef671acba001bebd45da36377Alex Deymo echo "${HELP_PROPERTIES}" 96c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo 97c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo "Use: \"$0 <command> --help\" for more options." 98c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo} 99c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo 100c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo# Check that a command is specified. 101be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumaif [[ $# -lt 1 ]]; then 10298e691cc6debda3ef671acba001bebd45da36377Alex Deymo echo "Please specify a command [generate|hash|sign|properties]" 103be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma exit 1 104be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumafi 105be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 106c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo# Parse command. 107c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex DeymoCOMMAND="${1:-}" 108c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymoshift 109c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo 110c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymocase "${COMMAND}" in 111c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo generate) 112c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo FLAGS_HELP="${HELP_GENERATE}" 113c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo ;; 114c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo 115c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo hash) 116c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo FLAGS_HELP="${HELP_HASH}" 117c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo ;; 118c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo 119c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo sign) 120c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo FLAGS_HELP="${HELP_SIGN}" 121be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ;; 12298e691cc6debda3ef671acba001bebd45da36377Alex Deymo 12398e691cc6debda3ef671acba001bebd45da36377Alex Deymo properties) 12498e691cc6debda3ef671acba001bebd45da36377Alex Deymo FLAGS_HELP="${HELP_PROPERTIES}" 12598e691cc6debda3ef671acba001bebd45da36377Alex Deymo ;; 126be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma *) 127c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo echo "Unrecognized command: \"${COMMAND}\"" >&2 128c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo usage >&2 129be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma exit 1 130be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ;; 131be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumaesac 132be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 133be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Flags 134c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex DeymoFLAGS_HELP="Usage: $0 ${COMMAND} [flags] 135c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo${FLAGS_HELP}" 136c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo 137c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymoif [[ "${COMMAND}" == "generate" ]]; then 138c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string payload "" \ 139c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Path to output the generated unsigned payload file." 140c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string target_image "" \ 141c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Path to the target image that should be sent to clients." 142c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string source_image "" \ 143c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Optional: Path to a source image. If specified, this makes a delta update." 1449a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma DEFINE_string metadata_size_file "" \ 1459a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma "Optional: Path to output metadata size." 146c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymofi 147c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymoif [[ "${COMMAND}" == "hash" || "${COMMAND}" == "sign" ]]; then 148c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string unsigned_payload "" "Path to the input unsigned payload." 149c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string signature_size "" \ 150c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Signature sizes in bytes in the following format: size1:size2[:...]" 151c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymofi 152c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymoif [[ "${COMMAND}" == "hash" ]]; then 153c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string metadata_hash_file "" \ 154c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Optional: Path to output metadata hash file." 155c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string payload_hash_file "" \ 156c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Optional: Path to output payload hash file." 157c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymofi 158c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymoif [[ "${COMMAND}" == "sign" ]]; then 159c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string payload "" \ 160c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "Path to output the generated unsigned payload file." 161c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string metadata_signature_file "" \ 162c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "The metatada signatures in the following format: \ 163c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymometadata_signature1:metadata_signature2[:...]" 164c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo DEFINE_string payload_signature_file "" \ 165c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymo "The payload signatures in the following format: \ 166c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymopayload_signature1:payload_signature2[:...]" 1679a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma DEFINE_string metadata_size_file "" \ 1689a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma "Optional: Path to output metadata size." 169c64ffd591d1f4f4f7bacce0670bc0fce70830f36Alex Deymofi 17098e691cc6debda3ef671acba001bebd45da36377Alex Deymoif [[ "${COMMAND}" == "properties" ]]; then 17198e691cc6debda3ef671acba001bebd45da36377Alex Deymo DEFINE_string payload "" \ 17298e691cc6debda3ef671acba001bebd45da36377Alex Deymo "Path to the input signed or unsigned payload file." 17398e691cc6debda3ef671acba001bebd45da36377Alex Deymo DEFINE_string properties_file "-" \ 17498e691cc6debda3ef671acba001bebd45da36377Alex Deymo "Path to output the extracted property files. If '-' is passed stdout will \ 17598e691cc6debda3ef671acba001bebd45da36377Alex Deymobe used." 17698e691cc6debda3ef671acba001bebd45da36377Alex Deymofi 17798e691cc6debda3ef671acba001bebd45da36377Alex Deymo 178be998f47ccb02c5f118f73e79729e9187c39e919Jason KusumaDEFINE_string work_dir "/tmp" "Where to dump temporary files." 179be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 180be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Parse command line flag arguments 181be998f47ccb02c5f118f73e79729e9187c39e919Jason KusumaFLAGS "$@" || exit 1 182be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumaeval set -- "${FLAGS_ARGV}" 18389ff9e3221c358977f9c3124930ee6b559853740Alex Deymoset -e 184be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 18589ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# Associative arrays from partition name to file in the source and target 18689ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# images. The size of the updated area must be the size of the file. 18789ff9e3221c358977f9c3124930ee6b559853740Alex Deymodeclare -A SRC_PARTITIONS 18889ff9e3221c358977f9c3124930ee6b559853740Alex Deymodeclare -A DST_PARTITIONS 18989ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 19089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# A list of temporary files to remove during cleanup. 19189ff9e3221c358977f9c3124930ee6b559853740Alex DeymoCLEANUP_FILES=() 19289ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 19348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# Global options to force the version of the payload. 19448b502ab0cd56bf948602a45b990448f51e3e6b5Alex DeymoFORCE_MAJOR_VERSION="" 19548b502ab0cd56bf948602a45b990448f51e3e6b5Alex DeymoFORCE_MINOR_VERSION="" 19648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 1976f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang# Path to the postinstall config file in target image if exists. 1986f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen JiangPOSTINSTALL_CONFIG_FILE="" 1996f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang 200c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo# read_option_int <file.txt> <option_key> [default_value] 201c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo# 202c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo# Reads the unsigned integer value associated with |option_key| in a key=value 203c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo# file |file.txt|. Prints the read value if found and valid, otherwise prints 204c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo# the |default_value|. 205c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymoread_option_uint() { 206c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo local file_txt="$1" 207c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo local option_key="$2" 208c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo local default_value="${3:-}" 209c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo local value 210c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo if value=$(look "${option_key}=" "${file_txt}" | tail -n 1); then 211c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo if value=$(echo "${value}" | cut -f 2- -d "=" | grep -E "^[0-9]+$"); then 212c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo echo "${value}" 213c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo return 214c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo fi 215c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo fi 216c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo echo "${default_value}" 217c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo} 218c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo 21989ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# Create a temporary file in the work_dir with an optional pattern name. 22089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# Prints the name of the newly created file. 22189ff9e3221c358977f9c3124930ee6b559853740Alex Deymocreate_tempfile() { 22289ff9e3221c358977f9c3124930ee6b559853740Alex Deymo local pattern="${1:-tempfile.XXXXXX}" 22389ff9e3221c358977f9c3124930ee6b559853740Alex Deymo mktemp --tmpdir="${FLAGS_work_dir}" "${pattern}" 22489ff9e3221c358977f9c3124930ee6b559853740Alex Deymo} 225be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 226be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacleanup() { 227be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma local err="" 22889ff9e3221c358977f9c3124930ee6b559853740Alex Deymo rm -f "${CLEANUP_FILES[@]}" || err=1 229be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 230be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma # If we are cleaning up after an error, or if we got an error during 231be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma # cleanup (even if we eventually succeeded) return a non-zero exit 232be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma # code. This triggers additional logging in most environments that call 233be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma # this script. 234be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma if [[ -n "${err}" ]]; then 235be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Cleanup encountered an error." 236be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma fi 237be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 238be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 239be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacleanup_on_error() { 240be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma trap - INT TERM ERR EXIT 241be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma cleanup 242be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Cleanup success after an error." 243be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 244be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 245be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacleanup_on_exit() { 246be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma trap - INT TERM ERR EXIT 247be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma cleanup 248be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 249be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 250be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumatrap cleanup_on_error INT TERM ERR 251be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumatrap cleanup_on_exit EXIT 252be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 25348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 25448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# extract_image <image> <partitions_array> 25548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# 25648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# Detect the format of the |image| file and extract its updatable partitions 25748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# into new temporary files. Add the list of partition names and its files to the 25848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# associative array passed in |partitions_array|. 25948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymoextract_image() { 26048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local image="$1" 26148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 26248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # Brillo images are zip files. We detect the 4-byte magic header of the zip 26348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # file. 26448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local magic=$(head --bytes=4 "${image}" | hexdump -e '1/1 "%.2x"') 26548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if [[ "${magic}" == "504b0304" ]]; then 26648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Detected .zip file, extracting Brillo image." 26748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo extract_image_brillo "$@" 26848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo return 26948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 27048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 27148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # Chrome OS images are GPT partitioned disks. We should have the cgpt binary 27248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # bundled here and we will use it to extract the partitions, so the GPT 27348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # headers must be valid. 27448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if cgpt show -q -n "${image}" >/dev/null; then 27548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Detected GPT image, extracting Chrome OS image." 27648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo extract_image_cros "$@" 27748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo return 27848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 27948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 28048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo die "Couldn't detect the image format of ${image}" 28148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo} 28248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 28389ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# extract_image_cros <image.bin> <partitions_array> 28489ff9e3221c358977f9c3124930ee6b559853740Alex Deymo# 28548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# Extract Chromium OS recovery images into new temporary files. 28689ff9e3221c358977f9c3124930ee6b559853740Alex Deymoextract_image_cros() { 28789ff9e3221c358977f9c3124930ee6b559853740Alex Deymo local image="$1" 28889ff9e3221c358977f9c3124930ee6b559853740Alex Deymo local partitions_array="$2" 28989ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 29089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo local kernel root 29189ff9e3221c358977f9c3124930ee6b559853740Alex Deymo kernel=$(create_tempfile "kernel.bin.XXXXXX") 29289ff9e3221c358977f9c3124930ee6b559853740Alex Deymo CLEANUP_FILES+=("${kernel}") 29389ff9e3221c358977f9c3124930ee6b559853740Alex Deymo root=$(create_tempfile "root.bin.XXXXXX") 29489ff9e3221c358977f9c3124930ee6b559853740Alex Deymo CLEANUP_FILES+=("${root}") 29589ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 29689ff9e3221c358977f9c3124930ee6b559853740Alex Deymo cros_generate_update_payload --extract \ 29789ff9e3221c358977f9c3124930ee6b559853740Alex Deymo --image "${image}" \ 29889ff9e3221c358977f9c3124930ee6b559853740Alex Deymo --kern_path "${kernel}" --root_path "${root}" \ 29989ff9e3221c358977f9c3124930ee6b559853740Alex Deymo --work_dir "${FLAGS_work_dir}" --outside_chroot 30089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 30183f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo # Chrome OS uses major_version 1 payloads for all versions, even if the 30283f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo # updater supports a newer major version. 30383f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo FORCE_MAJOR_VERSION="1" 30483f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo 30548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # When generating legacy Chrome OS images, we need to use "boot" and "system" 30648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # for the partition names to be compatible with updating Brillo devices with 30748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # Chrome OS images. 30848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo eval ${partitions_array}[boot]=\""${kernel}"\" 30948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo eval ${partitions_array}[system]=\""${root}"\" 31089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 31189ff9e3221c358977f9c3124930ee6b559853740Alex Deymo local part varname 31248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo for part in boot system; do 31389ff9e3221c358977f9c3124930ee6b559853740Alex Deymo varname="${partitions_array}[${part}]" 31489ff9e3221c358977f9c3124930ee6b559853740Alex Deymo printf "md5sum of %s: " "${varname}" 31589ff9e3221c358977f9c3124930ee6b559853740Alex Deymo md5sum "${!varname}" 31689ff9e3221c358977f9c3124930ee6b559853740Alex Deymo done 31789ff9e3221c358977f9c3124930ee6b559853740Alex Deymo} 31889ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 31948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# extract_image_brillo <target_files.zip> <partitions_array> 32048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# 32148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# Extract the A/B updated partitions from a Brillo target_files zip file into 32248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo# new temporary files. 32348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymoextract_image_brillo() { 32448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local image="$1" 32548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local partitions_array="$2" 32648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 32748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local partitions=( "boot" "system" ) 328168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo local ab_partitions_list 329168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo ab_partitions_list=$(create_tempfile "ab_partitions_list.XXXXXX") 330168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo CLEANUP_FILES+=("${ab_partitions_list}") 331168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo if unzip -p "${image}" "META/ab_partitions.txt" >"${ab_partitions_list}"; then 332168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo if grep -v -E '^[a-zA-Z0-9_-]*$' "${ab_partitions_list}" >&2; then 333168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo die "Invalid partition names found in the partition list." 334168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo fi 335168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo partitions=($(cat "${ab_partitions_list}")) 336168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo if [[ ${#partitions[@]} -eq 0 ]]; then 337168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo die "The list of partitions is empty. Can't generate a payload." 338168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo fi 339168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo else 340168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo warn "No ab_partitions.txt found. Using default." 341168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo fi 342168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo echo "List of A/B partitions: ${partitions[@]}" 34348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 34483f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo # All Brillo updaters support major version 2. 34583f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo FORCE_MAJOR_VERSION="2" 34683f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo 34748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if [[ "${partitions_array}" == "SRC_PARTITIONS" ]]; then 3486f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang # Source image 3496f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang local ue_config=$(create_tempfile "ue_config.XXXXXX") 350c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo CLEANUP_FILES+=("${ue_config}") 351c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo if ! unzip -p "${image}" "META/update_engine_config.txt" \ 352c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo >"${ue_config}"; then 353c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo warn "No update_engine_config.txt found. Assuming pre-release image, \ 354c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymousing payload minor version 2" 355c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo fi 35683f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo # For delta payloads, we use the major and minor version supported by the 35783f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo # old updater. 358c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo FORCE_MINOR_VERSION=$(read_option_uint "${ue_config}" \ 359c97df43fdc7c4fcfe06a76274f43211e6aa9255cAlex Deymo "PAYLOAD_MINOR_VERSION" 2) 36083f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo FORCE_MAJOR_VERSION=$(read_option_uint "${ue_config}" \ 36183f2f70dd3aa3e4c8f16273bdd026b1f452b33a1Alex Deymo "PAYLOAD_MAJOR_VERSION" 2) 36261e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo 36361e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo # Brillo support for deltas started with minor version 3. 36461e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo if [[ "${FORCE_MINOR_VERSION}" -le 2 ]]; then 36561e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo warn "No delta support from minor version ${FORCE_MINOR_VERSION}. \ 36661e1fa89e01952d772f4aca843fa817a7a30fe66Alex DeymoDisabling deltas for this source version." 36761e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo exit ${EX_UNSUPPORTED_DELTA} 36861e1fa89e01952d772f4aca843fa817a7a30fe66Alex Deymo fi 3696f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang else 3706f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang # Target image 3716f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang local postinstall_config=$(create_tempfile "postinstall_config.XXXXXX") 3726f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang CLEANUP_FILES+=("${postinstall_config}") 3736f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang if unzip -p "${image}" "META/postinstall_config.txt" \ 3746f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang >"${postinstall_config}"; then 3756f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang POSTINSTALL_CONFIG_FILE="${postinstall_config}" 3766f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang fi 37748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 37848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 37948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local part part_file temp_raw filesize 38048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo for part in "${partitions[@]}"; do 38148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo part_file=$(create_tempfile "${part}.img.XXXXXX") 38248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo CLEANUP_FILES+=("${part_file}") 38348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo unzip -p "${image}" "IMAGES/${part}.img" >"${part_file}" 38448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 38548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # If the partition is stored as an Android sparse image file, we need to 38648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # convert them to a raw image for the update. 38748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo local magic=$(head --bytes=4 "${part_file}" | hexdump -e '1/1 "%.2x"') 38848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if [[ "${magic}" == "3aff26ed" ]]; then 38948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo temp_raw=$(create_tempfile "${part}.raw.XXXXXX") 39048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo CLEANUP_FILES+=("${temp_raw}") 39148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Converting Android sparse image ${part}.img to RAW." 39248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo simg2img "${part_file}" "${temp_raw}" 39348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # At this point, we can drop the contents of the old part_file file, but 39448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # we can't delete the file because it will be deleted in cleanup. 39548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo true >"${part_file}" 39648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo part_file="${temp_raw}" 39748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 39848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 39948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # delta_generator only supports images multiple of 4 KiB, so we pad with 40048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo # zeros if needed. 40148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo filesize=$(stat -c%s "${part_file}") 40248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if [[ $(( filesize % 4096 )) -ne 0 ]]; then 40348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Rounding up partition ${part}.img to multiple of 4 KiB." 40448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo : $(( filesize = (filesize + 4095) & -4096 )) 40548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo truncate --size="${filesize}" "${part_file}" 40648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 40748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 40848b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo eval "${partitions_array}[\"${part}\"]=\"${part_file}\"" 40948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Extracted ${partitions_array}[${part}]: ${filesize} bytes" 41048b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo done 41148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo} 41248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 413be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumavalidate_generate() { 414be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_payload}" ]] || 415be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify an output filename with --payload FILENAME" 416be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 417be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_target_image}" ]] || 418be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify a target image with --target_image FILENAME" 419be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 420be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 421be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacmd_generate() { 42289ff9e3221c358977f9c3124930ee6b559853740Alex Deymo local payload_type="delta" 423be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma if [[ -z "${FLAGS_source_image}" ]]; then 42489ff9e3221c358977f9c3124930ee6b559853740Alex Deymo payload_type="full" 425be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma fi 426be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 42748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Extracting images for ${payload_type} update." 428be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 42948b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo extract_image "${FLAGS_target_image}" DST_PARTITIONS 43089ff9e3221c358977f9c3124930ee6b559853740Alex Deymo if [[ "${payload_type}" == "delta" ]]; then 43148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo extract_image "${FLAGS_source_image}" SRC_PARTITIONS 432be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma fi 433be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 43448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo echo "Generating ${payload_type} update." 435168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo # Common payload args: 436168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo GENERATOR_ARGS=( -out_file="${FLAGS_payload}" ) 437168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo 438168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo local part old_partitions="" new_partitions="" partition_names="" 439168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo for part in "${!DST_PARTITIONS[@]}"; do 440168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo if [[ -n "${partition_names}" ]]; then 441168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo partition_names+=":" 442168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo new_partitions+=":" 443168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo old_partitions+=":" 444168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo fi 445168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo partition_names+="${part}" 446168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo new_partitions+="${DST_PARTITIONS[${part}]}" 447168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo old_partitions+="${SRC_PARTITIONS[${part}]:-}" 448168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo done 449168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo 450168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo # Target image args: 451168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo GENERATOR_ARGS+=( 452168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo -partition_names="${partition_names}" 453168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo -new_partitions="${new_partitions}" 454be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ) 455be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 45689ff9e3221c358977f9c3124930ee6b559853740Alex Deymo if [[ "${payload_type}" == "delta" ]]; then 457168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo # Source image args: 458be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma GENERATOR_ARGS+=( 459168b535ceaeef22d501b5c14a167d323758e4ed6Alex Deymo -old_partitions="${old_partitions}" 460be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ) 46148b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if [[ -n "${FORCE_MINOR_VERSION}" ]]; then 46248b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo GENERATOR_ARGS+=( --minor_version="${FORCE_MINOR_VERSION}" ) 46348b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 46448b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo fi 46548b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo 46648b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo if [[ -n "${FORCE_MAJOR_VERSION}" ]]; then 46748b502ab0cd56bf948602a45b990448f51e3e6b5Alex Deymo GENERATOR_ARGS+=( --major_version="${FORCE_MAJOR_VERSION}" ) 468be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma fi 469be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 4709a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma if [[ -n "${FLAGS_metadata_size_file}" ]]; then 4719a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma GENERATOR_ARGS+=( --out_metadata_size_file="${FLAGS_metadata_size_file}" ) 4729a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma fi 4739a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma 4746f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang if [[ -n "${POSTINSTALL_CONFIG_FILE}" ]]; then 4756f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang GENERATOR_ARGS+=( 4766f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang --new_postinstall_config_file="${POSTINSTALL_CONFIG_FILE}" 4776f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang ) 4786f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang fi 4796f7b22c69bef53d33ae2bbb80b6682ff7ea8006eSen Jiang 480be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma echo "Running delta_generator with args: ${GENERATOR_ARGS[@]}" 4819a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma "${GENERATOR}" "${GENERATOR_ARGS[@]}" 482be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 48389ff9e3221c358977f9c3124930ee6b559853740Alex Deymo echo "Done generating ${payload_type} update." 484be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 485be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 486be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumavalidate_hash() { 487be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_signature_size}" ]] || 488be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify signature size with --signature_size SIZES" 489be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 490be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_unsigned_payload}" ]] || 491be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify the input unsigned payload with \ 492be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma--unsigned_payload FILENAME" 493be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 494be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_payload_hash_file}" ]] || 495bf1266fec223275ff19ef9624651946be9b9112aSen Jiang die "Error: you must specify --payload_hash_file FILENAME" 496f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusuma 497f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusuma [[ -n "${FLAGS_metadata_hash_file}" ]] || 498f514c54ce3b91a00abcfb2eededa5d38af8008ceJason Kusuma die "Error: you must specify --metadata_hash_file FILENAME" 499be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 500be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 501be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacmd_hash() { 502bf1266fec223275ff19ef9624651946be9b9112aSen Jiang "${GENERATOR}" \ 503bf1266fec223275ff19ef9624651946be9b9112aSen Jiang -in_file="${FLAGS_unsigned_payload}" \ 504bf1266fec223275ff19ef9624651946be9b9112aSen Jiang -signature_size="${FLAGS_signature_size}" \ 505bf1266fec223275ff19ef9624651946be9b9112aSen Jiang -out_hash_file="${FLAGS_payload_hash_file}" \ 506bf1266fec223275ff19ef9624651946be9b9112aSen Jiang -out_metadata_hash_file="${FLAGS_metadata_hash_file}" 507be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 508be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma echo "Done generating hash." 509be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 510be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 511be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumavalidate_sign() { 512be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_signature_size}" ]] || 513be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify signature size with --signature_size SIZES" 514be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 515be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_unsigned_payload}" ]] || 516be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify the input unsigned payload with \ 517be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma--unsigned_payload FILENAME" 518be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 519be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_payload}" ]] || 520be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify the output signed payload with \ 521be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma--payload FILENAME" 522be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 523be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma [[ -n "${FLAGS_payload_signature_file}" ]] || 524be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma die "Error: you must specify the payload signature file with \ 525be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma--payload_signature_file SIGNATURES" 52689ff9e3221c358977f9c3124930ee6b559853740Alex Deymo 52789ff9e3221c358977f9c3124930ee6b559853740Alex Deymo [[ -n "${FLAGS_metadata_signature_file}" ]] || 52889ff9e3221c358977f9c3124930ee6b559853740Alex Deymo die "Error: you must specify the metadata signature file with \ 52989ff9e3221c358977f9c3124930ee6b559853740Alex Deymo--metadata_signature_file SIGNATURES" 530be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 531be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 532be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacmd_sign() { 5339a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma GENERATOR_ARGS=( 5349a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma -in_file="${FLAGS_unsigned_payload}" 5359a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma -signature_size="${FLAGS_signature_size}" 5369a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma -signature_file="${FLAGS_payload_signature_file}" 5379a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma -metadata_signature_file="${FLAGS_metadata_signature_file}" 5389a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma -out_file="${FLAGS_payload}" 5399a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma ) 5409a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma 5419a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma if [[ -n "${FLAGS_metadata_size_file}" ]]; then 5429a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma GENERATOR_ARGS+=( --out_metadata_size_file="${FLAGS_metadata_size_file}" ) 5439a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma fi 5449a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma 5459a4cae24e671face0c8786ff87e9d3de405cf4c8Jason Kusuma "${GENERATOR}" "${GENERATOR_ARGS[@]}" 546be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma echo "Done signing payload." 547be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma} 548be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 54998e691cc6debda3ef671acba001bebd45da36377Alex Deymovalidate_properties() { 55098e691cc6debda3ef671acba001bebd45da36377Alex Deymo [[ -n "${FLAGS_payload}" ]] || 55198e691cc6debda3ef671acba001bebd45da36377Alex Deymo die "Error: you must specify the payload file with --payload FILENAME" 55298e691cc6debda3ef671acba001bebd45da36377Alex Deymo 55398e691cc6debda3ef671acba001bebd45da36377Alex Deymo [[ -n "${FLAGS_properties_file}" ]] || 55498e691cc6debda3ef671acba001bebd45da36377Alex Deymo die "Error: you must specify a non empty --properties_file FILENAME" 55598e691cc6debda3ef671acba001bebd45da36377Alex Deymo} 55698e691cc6debda3ef671acba001bebd45da36377Alex Deymo 55798e691cc6debda3ef671acba001bebd45da36377Alex Deymocmd_properties() { 55898e691cc6debda3ef671acba001bebd45da36377Alex Deymo "${GENERATOR}" \ 55998e691cc6debda3ef671acba001bebd45da36377Alex Deymo -in_file="${FLAGS_payload}" \ 56098e691cc6debda3ef671acba001bebd45da36377Alex Deymo -properties_file="${FLAGS_properties_file}" 56198e691cc6debda3ef671acba001bebd45da36377Alex Deymo} 56298e691cc6debda3ef671acba001bebd45da36377Alex Deymo 563be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma# Sanity check that the real generator exists: 564be998f47ccb02c5f118f73e79729e9187c39e919Jason KusumaGENERATOR="$(which delta_generator)" 565be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma[[ -x "${GENERATOR}" ]] || die "can't find delta_generator" 566be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma 567be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumacase "$COMMAND" in 568be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma generate) validate_generate 569be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma cmd_generate 570be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ;; 571be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma hash) validate_hash 572be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma cmd_hash 573be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ;; 574be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma sign) validate_sign 575be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma cmd_sign 576be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusuma ;; 57798e691cc6debda3ef671acba001bebd45da36377Alex Deymo properties) validate_properties 57898e691cc6debda3ef671acba001bebd45da36377Alex Deymo cmd_properties 57998e691cc6debda3ef671acba001bebd45da36377Alex Deymo ;; 580be998f47ccb02c5f118f73e79729e9187c39e919Jason Kusumaesac 581