#!/bin/sh
-. /etc/functions.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 DELAY=
+export SAVE_OVERLAY=0
+export SAVE_PARTITIONS=1
+export SKIP_UNCHANGED=0
+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
+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;;
+ -p) export SAVE_PARTITIONS=0;;
+ -u) export SKIP_UNCHANGED=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;;
+ -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"
+ echo "Invalid option: $1" >&2
exit 1
;;
*) break;;
export CONFFILES=/tmp/sysupgrade.conffiles
export CONF_TAR=/tmp/sysupgrade.tgz
-export ARGV="$*"
-export ARGC="$#"
+IMAGE="$1"
-[ -z "$ARGV" ] && {
+[ -z "$IMAGE" -a -z "$NEED_IMAGE" -a $CONF_BACKUP_LIST -eq 0 -o $HELP -gt 0 ] && {
cat <<EOF
-Usage: $0 [options] <image file or URL>
+Usage: $0 [<upgrade-option>...] <image file or URL>
+ $0 [-q] [-i] [-c] [-u] <backup-command> <file>
-Options:
- -d <delay> add a delay before rebooting
+upgrade-option:
+ -f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
+ -c attempt to preserve all changed files in /etc/
+ -u skip from backup files that are equal to those in /rom
+ -n do not save configuration over reflash
+ -p do not attempt to restore the partition table after flash.
+ -T | --test
+ Verify image and config .tar.gz but do not actually flash.
+ -F | --force
+ Flash image even if image checks fail, this is dangerous!
-q less verbose
-v more verbose
+ -h | --help display this help
+
+backup-command:
+ -b | --create-backup <file>
+ create .tar.gz of files specified in sysupgrade.conf
+ then exit. Does not flash an image. If file is '-',
+ i.e. stdout, verbosity is set to 0 (i.e. quiet).
+ -r | --restore-backup <file>
+ restore a .tar.gz created with sysupgrade -b
+ then exit. Does not flash an image. If file is '-',
+ the archive is read from stdin.
+ -l | --list-backup
+ list the files that would be backed up when calling
+ sysupgrade -b. Does not create a backup file.
EOF
exit 1
}
-add_uci_conffiles() {
+[ -n "$IMAGE" -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
+
+
+list_conffiles() {
+ awk '
+ BEGIN { conffiles = 0 }
+ /^Conffiles:/ { conffiles = 1; next }
+ !/^ / { conffiles = 0; next }
+ conffiles == 1 { print }
+ ' /usr/lib/opkg/status
+}
+
+list_changed_conffiles() {
+ # Cannot handle spaces in filenames - but opkg cannot either...
+ list_conffiles | while read file csum; do
+ [ -r "$file" ] || continue
+
+ echo "${csum} ${file}" | sha256sum -sc - || echo "$file"
+ done
+}
+
+add_conffiles() {
+ local file="$1"
+ ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
+ /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
+ \( -type f -o -type l \) $find_filter 2>/dev/null;
+ list_changed_conffiles ) | sort -u > "$file"
+ return 0
+}
+
+add_overlayfiles() {
local file="$1"
- find /etc/config /etc/passwd /etc/group /etc/dropbear /etc/firewall.user > "$file"
+ ( cd /overlay/upper/; find ./etc \( -type f -o -type l \) $find_filter | sed \
+ -e 's,^\.,,' \
+ -e '\,^/etc/board.json$,d' \
+ -e '\,/[^/]*-opkg$,d' \
+ -e '\,^/etc/urandom.seed$,d' \
+ )> "$file"
return 0
}
# hooks
-sysupgrade_image_check="platform_check_image"
-sysupgrade_init_conffiles="add_uci_conffiles"
+sysupgrade_image_check="fwtool_check_signature fwtool_check_image platform_check_image"
+
+if [ $SAVE_OVERLAY = 1 ]; then
+ [ ! -d /overlay/upper/etc ] && {
+ echo "Cannot find '/overlay/upper/etc', required for '-c'" >&2
+ exit 1
+ }
+ sysupgrade_init_conffiles="add_overlayfiles"
+else
+ sysupgrade_init_conffiles="add_conffiles"
+fi
+
+find_filter=""
+if [ $SKIP_UNCHANGED = 1 ]; then
+ [ ! -d /rom/ ] && {
+ echo "'/rom/' is required by '-u'"
+ exit 1
+ }
+ find_filter='( ( -exec test -e /rom/{} ; -exec cmp -s /{} /rom/{} ; ) -o -print )'
+fi
include /lib/upgrade
do_save_conffiles() {
+ local conf_tar="$1"
+
[ -z "$(rootfs_type)" ] && {
- echo "Cannot save config while running from ramdisk."
+ echo "Cannot save config while running from ramdisk." >&2
ask_bool 0 "Abort" && exit
+ rm -f "$conf_tar"
return 0
}
run_hooks "$CONFFILES" $sysupgrade_init_conffiles
v "Saving config files..."
[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
- tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
+ tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
+ if [ "$?" -ne 0 ]; then
+ echo "Failed to create the configuration backup."
+ rm -f "$conf_tar"
+ exit 1
+ fi
+
+ rm -f "$CONFFILES"
}
+if [ $CONF_BACKUP_LIST -eq 1 ]; then
+ run_hooks "$CONFFILES" $sysupgrade_init_conffiles
+ cat "$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 '$CONF_RESTORE' not found." >&2
+ exit 1
+ fi
+
+ [ "$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."
+ echo "Firmware upgrade is not implemented for this platform." >&2
exit 1
}
-for check in $sysupgrade_image_check; do
- ( eval "$check \"\$ARGV\"" ) || {
- echo "Image check '$check' failed."
+case "$IMAGE" in
+ http://*|\
+ https://*)
+ wget -O/tmp/sysupgrade.img "$IMAGE"
+ IMAGE=/tmp/sysupgrade.img
+ ;;
+esac
+
+IMAGE="$(readlink -f "$IMAGE")"
+
+case "$IMAGE" in
+ '')
+ echo "Image file not found." >&2
exit 1
+ ;;
+ /tmp/*) ;;
+ *)
+ v "Image not in /tmp, copying..."
+ cp -f "$IMAGE" /tmp/sysupgrade.img
+ IMAGE=/tmp/sysupgrade.img
+ ;;
+esac
+
+export ARGV="$IMAGE"
+export ARGC=1
+
+for check in $sysupgrade_image_check; do
+ ( $check "$IMAGE" ) || {
+ if [ $FORCE -eq 1 ]; then
+ echo "Image check '$check' failed but --force given - will update anyway!" >&2
+ break
+ else
+ echo "Image check '$check' failed." >&2
+ exit 1
+ fi
}
done
-if ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
- do_save_conffiles
+if [ -n "$CONF_IMAGE" ]; then
+ case "$(get_magic_word $CONF_IMAGE cat)" in
+ # .gz files
+ 1f8b) ;;
+ *)
+ echo "Invalid config file. Please use only .tar.gz files" >&2
+ exit 1
+ ;;
+ esac
+ get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
+ export SAVE_CONFIG=1
+elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
+ [ $TEST -eq 1 ] || do_save_conffiles "$CONF_TAR"
export SAVE_CONFIG=1
else
+ [ $TEST -eq 1 ] || rm -f "$CONF_TAR"
export SAVE_CONFIG=0
fi
-run_hooks "" $sysupgrade_pre_upgrade
-v "Switching to ramdisk..."
-run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
+if [ $TEST -eq 1 ]; then
+ exit 0
+fi
+
+if [ $SAVE_PARTITIONS -eq 0 ]; then
+ touch /tmp/sysupgrade.always.overwrite.bootdisk.partmap
+else
+ rm -f /tmp/sysupgrade.always.overwrite.bootdisk.partmap
+fi
+
+install_bin /sbin/upgraded
+v "Commencing upgrade. Closing all shell sessions."
+
+COMMAND='. /lib/functions.sh; include /lib/upgrade; do_upgrade_stage2'
+
+if [ -n "$FAILSAFE" ]; then
+ printf '%s\x00%s\x00%s' "$RAM_ROOT" "$IMAGE" "$COMMAND" >/tmp/sysupgrade
+ lock -u /tmp/.failsafe
+else
+ ubus call system sysupgrade "{
+ \"prefix\": $(json_string "$RAM_ROOT"),
+ \"path\": $(json_string "$IMAGE"),
+ \"command\": $(json_string "$COMMAND")
+ }"
+fi
projects / openwrt / openwrt.git / blobdiff