diff options
Diffstat (limited to 'i18n/fr_FR/projects/cros-scripts/install/cros-firmware-prepare')
| -rwxr-xr-x | i18n/fr_FR/projects/cros-scripts/install/cros-firmware-prepare | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/i18n/fr_FR/projects/cros-scripts/install/cros-firmware-prepare b/i18n/fr_FR/projects/cros-scripts/install/cros-firmware-prepare new file mode 100755 index 00000000..8fceffb4 --- /dev/null +++ b/i18n/fr_FR/projects/cros-scripts/install/cros-firmware-prepare @@ -0,0 +1,320 @@ +#!/usr/bin/env bash + +# Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr> +# +# 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 <http://www.gnu.org/licenses/>. + +KEYBLOCK="keyblock" +VBPRIVK="vbprivk" +VBPUBK="vbpubk" + +GBB_FLAGS="dev_screen_short_delay load_option_roms enable_alternate_os force_dev_switch_on force_dev_boot_usb disable_fw_rollback_check enter_triggers_tonorm force_dev_boot_legacy faft_key_overide disable_ec_software_sync default_dev_boot_lefacy disable_pd_software_sync disable_lid_shutdown dev_boot_fastboot_full_cap enable_serial" + +usage() { + printf 1>&2 '%s\n' "$executable [action] [firmware image] [gbb action|vpd action] [gbb file|gbb flag|vpd file]" + + printf 1>&2 '\n%s\n' 'Actions:' + printf 1>&2 '%s\n' ' sign - Sign firmware image' + printf 1>&2 '%s\n' ' verify - Verify firmware image' + printf 1>&2 '%s\n' ' gbb - Google Binary Block' + + printf 1>&2 '\n%s\n' 'GBB actions:' + printf 1>&2 '%s\n' ' extract - Extract GBB from firmware image to path' + printf 1>&2 '%s\n' ' replace - Replace GBB from path to firmware image' + printf 1>&2 '%s\n' ' list - List enabled GBB flags' + printf 1>&2 '%s\n' ' enable - Enable GBB flag' + printf 1>&2 '%s\n' ' disable - Disable GBB flag' + + printf 1>&2 '\n%s\n' 'GBB flags:' + + for flag in $GBB_FLAGS + do + printf 1>&2 '%s\n' " $flag" + done + + printf 1>&2 '\n%s\n' 'VPD actions:' + printf 1>&2 '%s\n' ' extract - Extract VPD from firmware image to path' + printf 1>&2 '%s\n' ' replace - Replace VPD from path to firmware image' + + printf 1>&2 '\n%s\n' 'Environment variables:' + printf 1>&2 '%s\n' ' VBOOT_KEYS_PATH - Path to the vboot keys' + printf 1>&2 '%s\n' ' VBOOT_TOOLS_PATH - Path to vboot tools' +} + +sign() { + local firmware_image_path=$1 + + futility sign --signprivate="$VBOOT_KEYS_PATH/firmware_data_key.$VBPRIVK" --keyblock "$VBOOT_KEYS_PATH/firmware.$KEYBLOCK" --kernelkey "$VBOOT_KEYS_PATH/kernel_subkey.$VBPUBK" --infile "$firmware_image_path" + futility gbb_utility -s --recoverykey="$VBOOT_KEYS_PATH/recovery_key.$VBPUBK" --rootkey="$VBOOT_KEYS_PATH/root_key.$VBPUBK" "$firmware_image_path" "$firmware_image_path" + + printf '\n%s\n' "Signed firmwares image $firmware_image_path" +} + +verify() { + local firmware_image_path=$1 + + futility verify -k "$VBOOT_KEYS_PATH/root_key.$VBPUBK" "$firmware_image_path" || ( printf '\n%s\n' "Bad firmware image signature!" >&2 && return 1 ) + + printf '\n%s\n' "Verified firmware image $firmware_image_path" +} + +gbb() { + local firmware_image_path=$1 + local gbb_action=$2 + local gbb_file_path=$3 + local gbb_flag=$3 + + local i=0 + local flags + local flag + local flag_value + + case $gbb_action in + "extract") + if [ -z "$gbb_file_path" ] + then + usage + exit 1 + fi + + + futility dump_fmap -x "$firmware_image_path" "GBB:$gbb_file_path" + + printf '\n%s\n' "Extracted GBB from $firmware_image_path to $gbb_file_path" + ;; + "replace") + if [ -z "$gbb_file_path" ] + then + usage + exit 1 + fi + + futility load_fmap "$firmware_image_path" "GBB:$gbb_file_path" + + printf '\n%s\n' "Replaced GBB from $gbb_file_path to $firmware_image_path" + ;; + "list") + printf '%s\n' "GBB flags in $firmware_image_path:" + + flags=$( gbb_flags_get "$firmware_image_path" ) + + for flag in $GBB_FLAGS + do + flag_value=$(( 1 << $i )) + + if (( $flags & $flag_value )) + then + printf '%s\n' " $flag" + fi + + i=$(( $i + 1 )) + done + + ;; + "enable") + if [ -z "$gbb_flag" ] + then + usage + exit 1 + fi + + flags=$( gbb_flags_get "$firmware_image_path" ) + flag_value=$( gbb_flag_value "$gbb_flag" ) + + if [ -z "$flag_value" ] + then + printf 1>&2 '%s\n' "Invalid GBB flag: $gbb_flag" + exit 1 + fi + + flags=$( printf "0x%x\n" $(( $flags | $flag_value )) ) + + gbb_flags_set "$firmware_image_path" "$flags" + + printf '\n%s\n' "Enabled GBB flag $gbb_flag in $firmware_image_path" + ;; + "disable") + if [ -z "$gbb_flag" ] + then + usage + exit 1 + fi + + flags=$( gbb_flags_get "$firmware_image_path" ) + flag_value=$( gbb_flag_value "$gbb_flag" ) + + if [ -z "$flag_value" ] + then + printf 1>&2 '%s\n' "Invalid GBB flag: $gbb_flag" + exit 1 + fi + + flags=$( printf "0x%x\n" $(( $flags & ~$flag_value )) ) + + gbb_flags_set "$firmware_image_path" "$flags" + + printf '\n%s\n' "Disabled GBB flag $gbb_flag in $firmware_image_path" + ;; + *) + usage + exit 1 + ;; + esac + +} + +gbb_flags_get() { + local firmware_image_path=$1 + + futility gbb_utility -g --flags "$firmware_image_path" | sed "s/^[^:]*: //g" +} + +gbb_flags_set() { + local firmware_image_path=$1 + local gbb_flags=$2 + + futility gbb_utility -s --flags="$gbb_flags" "$firmware_image_path" +} + +gbb_flag_value() { + local gbb_flag=$1 + + local i=0 + + for flag in $GBB_FLAGS + do + if [ "$gbb_flag" = "$flag" ] + then + printf '%d\n' $(( 1 << $i )) + return + fi + + i=$(( $i + 1 )) + done +} + +vpd() { + local firmware_image_path=$1 + local vpd_action=$2 + local vpd_file_path=$3 + + case $vpd_action in + "extract") + futility dump_fmap -x "$firmware_image_path" "RO_VPD:$vpd_file_path" + + printf '\n%s\n' "Extracted VPD from $firmware_image_path to $vpd_file_path" + ;; + "replace") + futility load_fmap "$firmware_image_path" "RO_VPD:$vpd_file_path" + + printf '\n%s\n' "Replaced VPD from $vpd_file_path to $firmware_image_path" + ;; + *) + usage + exit 1 + ;; + esac +} + +requirements() { + local requirement + local requirement_path + + for requirement in "$@" + do + requirement_path=$( which "$requirement" || true ) + + if [ -z "$requirement_path" ] + then + printf 1>&2 '%s\n' "Missing requirement: $requirement" + exit 1 + fi + done +} + +setup() { + root=$(readlink -f "$( dirname "$0" )" ) + executable=$( basename "$0" ) + + if ! [ -z "$VBOOT_TOOLS_PATH" ] + then + PATH="$PATH:$VBOOT_TOOLS_PATH" + fi + + if [ -z "$VBOOT_KEYS_PATH" ] + then + if ! [ -z "$VBOOT_TOOLS_PATH" ] && [ -d "$VBOOT_TOOLS_PATH/devkeys" ] + then + VBOOT_KEYS_PATH="$VBOOT_TOOLS_PATH/devkeys" + else + VBOOT_KEYS_PATH="/usr/share/vboot/devkeys" + fi + fi +} + +cros_firmware_prepare() { + local action=$1 + local firmware_image_path=$2 + local gbb_action=$3 + local vpd_action=$3 + local gbb_file_path_flag=$4 + local vpd_file_path=$4 + + set -e + + setup "$@" + + if [ -z "$action" ] || [ -z "$firmware_image_path" ] + then + usage + exit 1 + fi + + case $action in + "sign") + if ! [ -f "$firmware_image_path" ] + then + usage + exit 1 + fi + + requirements "futility" + sign "$firmware_image_path" + ;; + "verify") + requirements "futility" + verify "$firmware_image_path" + ;; + "gbb") + requirements "futility" + gbb "$firmware_image_path" "$gbb_action" "$gbb_file_path_flag" + ;; + "vpd") + if [ -z "$vpd_file_path" ] + then + usage + exit 1 + fi + + requirements "futility" + vpd "$firmware_image_path" "$vpd_action" "$vpd_file_path" + ;; + *) + usage + exit 1 + ;; + esac +} + +cros_firmware_prepare "$@" |