#!/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 SAVE_PARTITIONS=1
export CONF_IMAGE=
export CONF_BACKUP_LIST=0
export CONF_BACKUP=
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;;
-b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
-r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
-l|--list-backup) export CONF_BACKUP_LIST=1; break;;
export CONFFILES=/tmp/sysupgrade.conffiles
export CONF_TAR=/tmp/sysupgrade.tgz
-export ARGV="$*"
-export ARGC="$#"
+IMAGE="$1"
-[ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
+[ -z "$IMAGE" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
cat <<EOF
Usage: $0 [<upgrade-option>...] <image file or URL>
$0 [-q] [-i] <backup-command> <file>
upgrade-option:
- -d <delay> add a delay before rebooting
-f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
-c attempt to preserve all changed files in /etc/
-n do not save configuration over reflash
+ -p do not attempt to restore the partition table after flash.
-T | --test
Verify image and config .tar.gz but do not actually flash.
-F | --force
exit 1
}
-[ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
+[ -n "$IMAGE" -a -n "$NEED_IMAGE" ] && {
cat <<-EOF
-b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
Do not specify both -b|-r and a firmware image.
# prevent messages from clobbering the tarball when using stdout
[ "$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_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 > "$file"
+ list_changed_conffiles ) | sort -u > "$file"
return 0
}
add_overlayfiles() {
local file="$1"
- find /overlay/etc/ -type f -o -type l | sed \
- -e 's,^/overlay/,/,' \
+ find /overlay/upper/etc/ -type f -o -type l | sed \
+ -e 's,^/overlay\/upper/,/,' \
-e '\,/META_[a-zA-Z0-9]*$,d' \
-e '\,/functions.sh$,d' \
-e '\,/[^/]*-opkg$,d' \
}
# hooks
-sysupgrade_image_check="platform_check_image"
-[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
- 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'"
+ exit 1
+ }
sysupgrade_init_conffiles="add_overlayfiles"
+else
+ sysupgrade_init_conffiles="add_uci_conffiles"
+fi
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
+ 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 "$CONFFILES" 2>/dev/null
+ if [ "$?" -ne 0 ]; then
+ echo "Failed to create the configuration backup."
+ rm -f "$conf_tar"
+ exit 1
+ fi
rm -f "$CONFFILES"
}
if [ $CONF_BACKUP_LIST -eq 1 ]; then
- add_uci_conffiles "$CONFFILES"
+ run_hooks "$CONFFILES" $sysupgrade_init_conffiles
cat "$CONFFILES"
rm -f "$CONFFILES"
exit 0
exit 1
}
+case "$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."
+ 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 $sysupgrade_image_check; do
- ( eval "$check \"\$ARGV\"" ) || {
+ ( $check "$IMAGE" ) || {
if [ $FORCE -eq 1 ]; then
echo "Image check '$check' failed but --force given - will update anyway!"
break
[ $TEST -eq 1 ] || do_save_conffiles
export SAVE_CONFIG=1
else
+ [ $TEST -eq 1 ] || rm -f "$CONF_TAR"
export SAVE_CONFIG=0
fi
exit 0
fi
-run_hooks "" $sysupgrade_pre_upgrade
+if [ $SAVE_PARTITIONS -eq 0 ]; then
+ touch /tmp/sysupgrade.always.overwrite.bootdisk.partmap
+else
+ rm -f /tmp/sysupgrade.always.overwrite.bootdisk.partmap
+fi
-ubus call system upgrade
-touch /tmp/sysupgrade
+install_bin /sbin/upgraded
+v "Commencing upgrade. Closing all shell sessions."
-if [ ! -f /tmp/failsafe ] ; then
- kill_remaining TERM
- sleep 3
- kill_remaining KILL
-fi
+COMMAND='. /lib/functions.sh; include /lib/upgrade; do_upgrade_stage2'
-if [ -n "$(rootfs_type)" ]; then
- v "Switching to ramdisk..."
- run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'
+if [ -n "$FAILSAFE" ]; then
+ printf '%s\x00%s\x00%s' "$RAM_ROOT" "$IMAGE" "$COMMAND" >/tmp/sysupgrade
+ lock -u /tmp/.failsafe
else
- do_upgrade
+ ubus call system sysupgrade "{
+ \"prefix\": $(json_string "$RAM_ROOT"),
+ \"path\": $(json_string "$IMAGE"),
+ \"command\": $(json_string "$COMMAND")
+ }"
fi