4 .
/lib
/functions
/system.sh
7 export MTD_CONFIG_ARGS
=""
12 export SAVE_PARTITIONS
=1
14 export CONF_BACKUP_LIST
=0
25 -i) export INTERACTIVE
=1;;
26 -v) export VERBOSE
="$(($VERBOSE + 1))";;
27 -q) export VERBOSE
="$(($VERBOSE - 1))";;
28 -n) export SAVE_CONFIG
=0;;
29 -c) export SAVE_OVERLAY
=1;;
30 -p) export SAVE_PARTITIONS
=0;;
31 -b|
--create-backup) export CONF_BACKUP
="$2" NEED_IMAGE
=1; shift;;
32 -r|
--restore-backup) export CONF_RESTORE
="$2" NEED_IMAGE
=1; shift;;
33 -l|
--list-backup) export CONF_BACKUP_LIST
=1; break;;
34 -f) export CONF_IMAGE
="$2"; shift;;
35 -F|
--force) export FORCE
=1;;
36 -T|
--test) export TEST
=1;;
37 -h|
--help) export HELP
=1; break;;
39 echo "Invalid option: $1"
47 export CONFFILES
=/tmp
/sysupgrade.conffiles
48 export CONF_TAR
=/tmp
/sysupgrade.tgz
52 [ -z "$IMAGE" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
54 Usage: $0 [<upgrade-option>...] <image file or URL>
55 $0 [-q] [-i] <backup-command> <file>
58 -d <delay> add a delay before rebooting
59 -f <config> restore configuration from .tar.gz (file or url)
61 -c attempt to preserve all changed files in /etc/
62 -n do not save configuration over reflash
63 -p do not attempt to restore the partition table after flash.
65 Verify image and config .tar.gz but do not actually flash.
67 Flash image even if image checks fail, this is dangerous!
70 -h | --help display this help
73 -b | --create-backup <file>
74 create .tar.gz of files specified in sysupgrade.conf
75 then exit. Does not flash an image. If file is '-',
76 i.e. stdout, verbosity is set to 0 (i.e. quiet).
77 -r | --restore-backup <file>
78 restore a .tar.gz created with sysupgrade -b
79 then exit. Does not flash an image. If file is '-',
80 the archive is read from stdin.
82 list the files that would be backed up when calling
83 sysupgrade -b. Does not create a backup file.
89 [ -n "$IMAGE" -a -n "$NEED_IMAGE" ] && {
91 -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
92 Do not specify both -b|-r and a firmware image.
97 # prevent messages from clobbering the tarball when using stdout
98 [ "$CONF_BACKUP" = "-" ] && export VERBOSE
=0
100 add_uci_conffiles
() {
102 ( find $
(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
103 /etc
/sysupgrade.conf
/lib
/upgrade
/keep.d
/* 2>/dev
/null
) \
104 -type f
-o -type l
2>/dev
/null
;
105 opkg list-changed-conffiles
) |
sort -u > "$file"
111 find /overlay
/upper
/etc
/ -type f
-o -type l |
sed \
112 -e 's,^/overlay\/upper/,/,' \
113 -e '\,/META_[a-zA-Z0-9]*$,d' \
114 -e '\,/functions.sh$,d' \
115 -e '\,/[^/]*-opkg$,d' \
121 sysupgrade_image_check
="fwtool_check_image platform_check_image"
122 sysupgrade_pre_upgrade
="fwtool_pre_upgrade"
124 if [ $SAVE_OVERLAY = 1 ]; then
125 [ ! -d /overlay
/upper
/etc
] && {
126 echo "Cannot find '/overlay/upper/etc', required for '-c'"
129 sysupgrade_init_conffiles
="add_overlayfiles"
131 sysupgrade_init_conffiles
="add_uci_conffiles"
136 do_save_conffiles
() {
137 local conf_tar
="${1:-$CONF_TAR}"
139 [ -z "$(rootfs_type)" ] && {
140 echo "Cannot save config while running from ramdisk."
141 ask_bool
0 "Abort" && exit
145 run_hooks
"$CONFFILES" $sysupgrade_init_conffiles
146 ask_bool
0 "Edit config file list" && vi
"$CONFFILES"
148 v
"Saving config files..."
149 [ "$VERBOSE" -gt 1 ] && TAR_V
="v" || TAR_V
=""
150 tar c
${TAR_V}zf
"$conf_tar" -T "$CONFFILES" 2>/dev
/null
155 if [ $CONF_BACKUP_LIST -eq 1 ]; then
156 run_hooks
"$CONFFILES" $sysupgrade_init_conffiles
162 if [ -n "$CONF_BACKUP" ]; then
163 do_save_conffiles
"$CONF_BACKUP"
167 if [ -n "$CONF_RESTORE" ]; then
168 if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
169 echo "Backup archive '$CONF_RESTORE' not found."
173 [ "$VERBOSE" -gt 1 ] && TAR_V
="v" || TAR_V
=""
174 tar -C / -x${TAR_V}zf
"$CONF_RESTORE"
178 type platform_check_image
>/dev
/null
2>/dev
/null ||
{
179 echo "Firmware upgrade is not implemented for this platform."
185 wget
-O/tmp
/sysupgrade.img
"$IMAGE"
186 IMAGE
=/tmp
/sysupgrade.img
190 IMAGE
="$(readlink -f "$IMAGE")"
194 echo "Image file not found."
199 v
"Image not in /tmp, copying..."
200 cp -f "$IMAGE" /tmp
/sysupgrade.img
201 IMAGE
=/tmp
/sysupgrade.img
208 for check
in $sysupgrade_image_check; do
209 ( $check "$IMAGE" ) ||
{
210 if [ $FORCE -eq 1 ]; then
211 echo "Image check '$check' failed but --force given - will update anyway!"
214 echo "Image check '$check' failed."
220 if [ -n "$CONF_IMAGE" ]; then
221 case "$(get_magic_word $CONF_IMAGE cat)" in
225 echo "Invalid config file. Please use only .tar.gz files"
229 get_image
"$CONF_IMAGE" "cat" > "$CONF_TAR"
231 elif ask_bool
$SAVE_CONFIG "Keep config files over reflash"; then
232 [ $TEST -eq 1 ] || do_save_conffiles
235 [ $TEST -eq 1 ] ||
rm -f "$CONF_TAR"
239 if [ $TEST -eq 1 ]; then
243 if [ $SAVE_PARTITIONS -eq 0 ]; then
244 touch /tmp
/sysupgrade.always.overwrite.bootdisk.partmap
246 rm -f /tmp
/sysupgrade.always.overwrite.bootdisk.partmap
249 run_hooks
"" $sysupgrade_pre_upgrade
251 install_bin
/sbin
/upgraded
252 v
"Commencing upgrade. All shell sessions will be closed now."
254 COMMAND
='. /lib/functions.sh; include /lib/upgrade; do_upgrade_stage2'
256 if [ -n "$FAILSAFE" ]; then
257 printf '%s\x00%s\x00%s' "$RAM_ROOT" "$IMAGE" "$COMMAND" >/tmp
/sysupgrade
258 lock
-u /tmp
/.failsafe
260 ubus call system sysupgrade
"{
261 \"prefix\": $(json_string "$RAM_ROOT"),
262 \"path\": $(json_string "$IMAGE"),
263 \"command\": $(json_string "$COMMAND")