. /lib/functions.sh
. /lib/functions/system.sh
-
-# initialize defaults
+. /usr/share/libubox/jshn.sh
+
+# File-local constants
+CONF_TAR=/tmp/sysupgrade.tgz
+ETCBACKUP_DIR=/etc/backup
+INSTALLED_PACKAGES=${ETCBACKUP_DIR}/installed_packages.txt
+COMMAND=/lib/upgrade/do_stage2
+
+# File-local globals
+SAVE_OVERLAY=0
+SAVE_OVERLAY_PATH=
+SAVE_PARTITIONS=1
+SAVE_INSTALLED_PKGS=0
+SKIP_UNCHANGED=0
+CONF_IMAGE=
+CONF_BACKUP_LIST=0
+CONF_BACKUP=
+CONF_RESTORE=
+NEED_IMAGE=
+HELP=0
+TEST=0
+
+# Globals accessed in other files
export MTD_ARGS=""
export MTD_CONFIG_ARGS=""
export INTERACTIVE=0
export VERBOSE=1
export SAVE_CONFIG=1
-export SAVE_OVERLAY=0
-export SAVE_OVERLAY_PATH=
-export SAVE_PARTITIONS=1
-export SAVE_INSTALLED_PKGS=0
-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 IGNORE_MINOR_COMPAT=0
export FORCE=0
-export TEST=0
-export UMOUNT_ETCBACKUP_DIR=0
+export CONFFILES=/tmp/sysupgrade.conffiles
# parse options
while [ -n "$1" ]; do
-v) export VERBOSE="$(($VERBOSE + 1))";;
-q) export VERBOSE="$(($VERBOSE - 1))";;
-n) export SAVE_CONFIG=0;;
- -c) export SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;;
- -o) export SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;;
- -p) export SAVE_PARTITIONS=0;;
- -k) export SAVE_INSTALLED_PKGS=1;;
- -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;;
+ -c) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;;
+ -o) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;;
+ -p) SAVE_PARTITIONS=0;;
+ -k) SAVE_INSTALLED_PKGS=1;;
+ -u) SKIP_UNCHANGED=1;;
+ -b|--create-backup) CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
+ -r|--restore-backup) CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
+ -l|--list-backup) CONF_BACKUP_LIST=1;;
+ -f) CONF_IMAGE="$2"; shift;;
-F|--force) export FORCE=1;;
- -T|--test) export TEST=1;;
- -h|--help) export HELP=1; break;;
+ -T|--test) TEST=1;;
+ -h|--help) HELP=1; break;;
+ --ignore-minor-compat-version) export IGNORE_MINOR_COMPAT=1;;
-*)
echo "Invalid option: $1" >&2
exit 1
shift;
done
-export CONFFILES=/tmp/sysupgrade.conffiles
-export CONF_TAR=/tmp/sysupgrade.tgz
-export ETCBACKUP_DIR=/etc/backup
-export INSTALLED_PACKAGES=${ETCBACKUP_DIR}/installed_packages.txt
-
-IMAGE="$1"
-
-[ -z "$IMAGE" -a -z "$NEED_IMAGE" -a $CONF_BACKUP_LIST -eq 0 -o $HELP -gt 0 ] && {
+print_help() {
cat <<EOF
Usage: $0 [<upgrade-option>...] <image file or URL>
$0 [-q] [-i] [-c] [-u] [-o] [-k] <backup-command> <file>
Verify image and config .tar.gz but do not actually flash.
-F | --force
Flash image even if image checks fail, this is dangerous!
+ --ignore-minor-compat-version
+ Flash image even if the minor compat version is incompatible.
-q less verbose
-v more verbose
-h | --help display this help
sysupgrade -b. Does not create a backup file.
EOF
- exit 1
}
+IMAGE="$1"
+
+if [ $HELP -gt 0 ]; then
+ print_help
+ exit 0
+fi
+
+if [ -z "$IMAGE" -a -z "$NEED_IMAGE" -a $CONF_BACKUP_LIST -eq 0 ]; then
+ print_help
+ exit 1
+fi
+
[ -n "$IMAGE" -a -n "$NEED_IMAGE" ] && {
cat <<-EOF
-b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
list_conffiles | while read file csum; do
[ -r "$file" ] || continue
- echo "${csum} ${file}" | sha256sum -sc - || echo "$file"
+ echo "${csum} ${file}" | busybox sha256sum -sc - || echo "$file"
done
}
+list_static_conffiles() {
+ local filter=$1
+
+ find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
+ /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
+ \( -type f -o -type l \) $filter 2>/dev/null
+}
+
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"
+
+ ( list_static_conffiles "$find_filter"; list_changed_conffiles ) |
+ sort -u > "$file"
return 0
}
# backup files from /etc/sysupgrade.conf and /lib/upgrade/keep.d, but
# ignore those aready controlled by opkg conffiles
- 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 | sort -u |
+ list_static_conffiles | sort -u |
grep -h -v -x -F -f $conffiles > "$keepfiles"
# backup conffiles, but only those changed if '-u'
return 0
}
-# hooks
-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
+ echo "Cannot find '/overlay/upper/etc', required for '-c' or '-o'" >&2
exit 1
}
sysupgrade_init_conffiles="add_overlayfiles"
do_save_conffiles() {
local conf_tar="$1"
- [ -z "$(rootfs_type)" ] && {
+ local umount_etcbackup_dir=0
+
+ [ "$(rootfs_type)" = "tmpfs" ] && {
echo "Cannot save config while running from ramdisk." >&2
ask_bool 0 "Abort" && exit
rm -f "$conf_tar"
RAMFS="$(mktemp -d -t sysupgrade.XXXXXX)"
mkdir -p "$RAMFS/upper" "$RAMFS/work"
mount -t overlay overlay -o lowerdir=$ETCBACKUP_DIR,upperdir=$RAMFS/upper,workdir=$RAMFS/work $ETCBACKUP_DIR &&
- UMOUNT_ETCBACKUP_DIR=1 || {
+ umount_etcbackup_dir=1 || {
echo "Cannot mount '$ETCBACKUP_DIR' as tmpfs to avoid touching disk while saving the list of installed packages." >&2
ask_bool 0 "Abort" && exit
}
- # Format: pkg-name<TAB>{rom,overlay,unkown}
+ # Format: pkg-name<TAB>{rom,overlay,unknown}
# rom is used for pkgs in /rom, even if updated later
find /usr/lib/opkg/info -name "*.control" \( \
\( -exec test -f /rom/{} \; -exec echo {} rom \; \) -o \
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 [ "$?" -ne 0 ]; then
+ sed -i -e 's,^/,,' "$CONFFILES"
+ tar c${TAR_V}zf "$conf_tar" -C / -T "$CONFFILES"
+ local err=$?
+ if [ "$err" -ne 0 ]; then
echo "Failed to create the configuration backup."
rm -f "$conf_tar"
- exit 1
fi
- [ "$UMOUNT_ETCBACKUP_DIR" -eq 1 ] && {
+ [ "$umount_etcbackup_dir" -eq 1 ] && {
umount "$ETCBACKUP_DIR"
rm -rf "$RAMFS"
}
rm -f "$CONFFILES"
+
+ return "$err"
}
if [ $CONF_BACKUP_LIST -eq 1 ]; then
if [ -n "$CONF_BACKUP" ]; then
do_save_conffiles "$CONF_BACKUP"
- exit $?
+ exit
fi
if [ -n "$CONF_RESTORE" ]; then
fi
[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+ v "Restoring config files..."
tar -C / -x${TAR_V}zf "$CONF_RESTORE"
exit $?
fi
case "$IMAGE" in
http://*|\
https://*)
- wget -O/tmp/sysupgrade.img "$IMAGE"
+ wget -O/tmp/sysupgrade.img "$IMAGE" || exit 1
IMAGE=/tmp/sysupgrade.img
;;
esac
;;
esac
-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 '$check' failed." >&2
- exit 1
- fi
- }
-done
+json_load "$(/usr/libexec/validate_firmware_image "$IMAGE")" || {
+ echo "Failed to check image"
+ exit 1
+}
+json_get_var valid "valid"
+[ "$valid" -eq 0 ] && {
+ if [ $FORCE -eq 1 ]; then
+ echo "Image check failed but --force given - will update anyway!" >&2
+ else
+ echo "Image check failed." >&2
+ exit 1
+ fi
+}
if [ -n "$CONF_IMAGE" ]; then
case "$(get_magic_word $CONF_IMAGE cat)" in
get_image "$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"
+ [ $TEST -eq 1 ] || do_save_conffiles "$CONF_TAR" || exit
export SAVE_CONFIG=1
else
[ $TEST -eq 1 ] || rm -f "$CONF_TAR"
install_bin /sbin/upgraded
v "Commencing upgrade. Closing all shell sessions."
-COMMAND='/lib/upgrade/do_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"),
- \"options\": {
- \"save_config\": $SAVE_CONFIG,
- \"save_partitions\": $SAVE_PARTITIONS
- }
- }"
+ json_init
+ json_add_string prefix "$RAM_ROOT"
+ json_add_string path "$IMAGE"
+ [ $FORCE -eq 1 ] && json_add_boolean force 1
+ [ $SAVE_CONFIG -eq 1 ] && json_add_string backup "$CONF_TAR"
+ json_add_string command "$COMMAND"
+ json_add_object options
+ json_add_int save_partitions "$SAVE_PARTITIONS"
+ json_close_object
+
+ ubus call system sysupgrade "$(json_dump)"
fi