From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001 From: James <> Date: Wed, 4 Nov 2015 11:49:21 +0000 Subject: trunk-47381 --- package/base-files/files/sbin/sysupgrade | 240 +++++++++++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100755 package/base-files/files/sbin/sysupgrade (limited to 'package/base-files/files/sbin/sysupgrade') diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade new file mode 100755 index 0000000..ef83c4b --- /dev/null +++ b/package/base-files/files/sbin/sysupgrade @@ -0,0 +1,240 @@ +#!/bin/sh +. /lib/functions.sh +. /lib/functions/system.sh + +# initialize defaults +RAMFS_COPY_BIN="" # extra programs for temporary ramfs root +RAMFS_COPY_DATA="" # extra data files +export MTD_CONFIG_ARGS="" +export INTERACTIVE=0 +export VERBOSE=1 +export SAVE_CONFIG=1 +export SAVE_OVERLAY=0 +export DELAY= +export CONF_IMAGE= +export CONF_BACKUP_LIST=0 +export CONF_BACKUP= +export CONF_RESTORE= +export NEED_IMAGE= +export HELP=0 +export FORCE=0 +export TEST=0 + +# parse options +while [ -n "$1" ]; do + case "$1" in + -i) export INTERACTIVE=1;; + -d) export DELAY="$2"; shift;; + -v) export VERBOSE="$(($VERBOSE + 1))";; + -q) export VERBOSE="$(($VERBOSE - 1))";; + -n) export SAVE_CONFIG=0;; + -c) export SAVE_OVERLAY=1;; + -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;; + -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;; + -l|--list-backup) export CONF_BACKUP_LIST=1; break;; + -f) export CONF_IMAGE="$2"; shift;; + -F|--force) export FORCE=1;; + -T|--test) export TEST=1;; + -h|--help) export HELP=1; break;; + -*) + echo "Invalid option: $1" + exit 1 + ;; + *) break;; + esac + shift; +done + +export CONFFILES=/tmp/sysupgrade.conffiles +export CONF_TAR=/tmp/sysupgrade.tgz + +export ARGV="$*" +export ARGC="$#" + +[ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && { + cat <...] + $0 [-q] [-i] + +upgrade-option: + -d add a delay before rebooting + -f restore configuration from .tar.gz (file or url) + -i interactive mode + -c attempt to preserve all changed files in /etc/ + -n do not save configuration over reflash + -T | --test + Verify image and config .tar.gz but do not actually flash. + -F | --force + Flash image even if image checks fail, this is dangerous! + -q less verbose + -v more verbose + -h | --help display this help + +backup-command: + -b | --create-backup + create .tar.gz of files specified in sysupgrade.conf + then exit. Does not flash an image. If file is '-', + i.e. stdout, verbosity is set to 0 (i.e. quiet). + -r | --restore-backup + restore a .tar.gz created with sysupgrade -b + then exit. Does not flash an image. If file is '-', + the archive is read from stdin. + -l | --list-backup + list the files that would be backed up when calling + sysupgrade -b. Does not create a backup file. + +EOF + exit 1 +} + +[ -n "$ARGV" -a -n "$NEED_IMAGE" ] && { + cat <<-EOF + -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade. + Do not specify both -b|-r and a firmware image. + EOF + exit 1 +} + +# prevent messages from clobbering the tarball when using stdout +[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0 + +add_uci_conffiles() { + local file="$1" + ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \ + /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \ + -type f -o -type l 2>/dev/null; + opkg list-changed-conffiles ) | sort -u > "$file" + return 0 +} + +add_overlayfiles() { + local file="$1" + if [ -d /overlay/upper ]; then + local overlaydir="/overlay/upper" + else + local overlaydir="/overlay" + fi + find $overlaydir/etc/ -type f -o -type l | sed \ + -e 's,^/overlay/,/,' \ + -e '\,/META_[a-zA-Z0-9]*$,d' \ + -e '\,/functions.sh$,d' \ + -e '\,/[^/]*-opkg$,d' \ + > "$file" + return 0 +} + +# hooks +sysupgrade_image_check="platform_check_image" +[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \ + sysupgrade_init_conffiles="add_uci_conffiles" || \ + sysupgrade_init_conffiles="add_overlayfiles" + +include /lib/upgrade + +[ "$1" = "nand" ] && nand_upgrade_stage2 $@ + +do_save_conffiles() { + local conf_tar="${1:-$CONF_TAR}" + + [ -z "$(rootfs_type)" ] && { + echo "Cannot save config while running from ramdisk." + ask_bool 0 "Abort" && exit + return 0 + } + run_hooks "$CONFFILES" $sysupgrade_init_conffiles + ask_bool 0 "Edit config file list" && vi "$CONFFILES" + + v "Saving config files..." + [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V="" + tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null + + rm -f "$CONFFILES" +} + +if [ $CONF_BACKUP_LIST -eq 1 ]; then + add_uci_conffiles "$CONFFILES" + cat "$CONFFILES" + rm -f "$CONFFILES" + exit 0 +fi + +if [ -n "$CONF_BACKUP" ]; then + do_save_conffiles "$CONF_BACKUP" + exit $? +fi + +if [ -n "$CONF_RESTORE" ]; then + if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then + echo "Backup archive '$CONF_RESTORE' not found." + exit 1 + fi + + [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V="" + tar -C / -x${TAR_V}zf "$CONF_RESTORE" + exit $? +fi + +type platform_check_image >/dev/null 2>/dev/null || { + echo "Firmware upgrade is not implemented for this platform." + exit 1 +} + +for check in $sysupgrade_image_check; do + ( eval "$check \"\$ARGV\"" ) || { + if [ $FORCE -eq 1 ]; then + echo "Image check '$check' failed but --force given - will update anyway!" + break + else + echo "Image check '$check' failed." + exit 1 + fi + } +done + +if [ -n "$CONF_IMAGE" ]; then + case "$(get_magic_word $CONF_IMAGE cat)" in + # .gz files + 1f8b) ;; + *) + echo "Invalid config file. Please use only .tar.gz files" + exit 1 + ;; + esac + get_image "$CONF_IMAGE" "cat" > "$CONF_TAR" + export SAVE_CONFIG=1 +elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then + [ $TEST -eq 1 ] || do_save_conffiles + export SAVE_CONFIG=1 +else + export SAVE_CONFIG=0 +fi + +if [ $TEST -eq 1 ]; then + exit 0 +fi + +run_hooks "" $sysupgrade_pre_upgrade + +# Some platforms/devices may want different sysupgrade process, e.g. without +# killing processes yet or calling ubus system upgrade method. +# This is needed e.g. on NAND devices where we just want to trigger stage1 at +# this point. +if type 'platform_pre_upgrade' >/dev/null 2>/dev/null; then + platform_pre_upgrade "$ARGV" +fi + +ubus call system upgrade +touch /tmp/sysupgrade + +if [ ! -f /tmp/failsafe ] ; then + kill_remaining TERM + sleep 3 + kill_remaining KILL +fi + +if [ -n "$(rootfs_type)" ]; then + v "Switching to ramdisk..." + run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade' +else + do_upgrade +fi -- cgit v1.2.3