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 $0 [-q] [-i] <backup-command> <file>
58 -f <config> restore configuration from .tar.gz (file or url)
60 -c attempt to preserve all changed files in /etc/
61 -n do not save configuration over reflash
62 -p do not attempt to restore the partition table after flash.
64 Verify image and config .tar.gz but do not actually flash.
66 Flash image even if image checks fail, this is dangerous!
69 -h | --help display this help
72 -b | --create-backup <file>
73 create .tar.gz of files specified in sysupgrade.conf
74 then exit. Does not flash an image. If file is '-',
75 i.e. stdout, verbosity is set to 0 (i.e. quiet).
76 -r | --restore-backup <file>
77 restore a .tar.gz created with sysupgrade -b
78 then exit. Does not flash an image. If file is '-',
79 the archive is read from stdin.
81 list the files that would be backed up when calling
82 sysupgrade -b. Does not create a backup file.
88 [ -n "$IMAGE" -a -n "$NEED_IMAGE" ] && {
90 -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
91 Do not specify both -b|-r and a firmware image.
96 # prevent messages from clobbering the tarball when using stdout
97 [ "$CONF_BACKUP" = "-" ] && export VERBOSE
=0
102 BEGIN { conffiles = 0 }
103 /^Conffiles:/ { conffiles = 1; next }
104 !/^ / { conffiles = 0; next }
105 conffiles == 1 { print }
106 ' /usr
/lib
/opkg
/status
109 list_changed_conffiles
() {
110 # Cannot handle spaces in filenames - but opkg cannot either...
111 list_conffiles |
while read file csum
; do
112 [ -r "$file" ] ||
continue
114 echo "${csum} ${file}" | sha256sum
-sc - ||
echo "$file"
118 add_uci_conffiles
() {
120 ( find $
(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
121 /etc
/sysupgrade.conf
/lib
/upgrade
/keep.d
/* 2>/dev
/null
) \
122 -type f
-o -type l
2>/dev
/null
;
123 list_changed_conffiles
) |
sort -u > "$file"
129 find /overlay
/upper
/etc
/ -type f
-o -type l |
sed \
130 -e 's,^/overlay\/upper/,/,' \
131 -e '\,/META_[a-zA-Z0-9]*$,d' \
132 -e '\,/functions.sh$,d' \
133 -e '\,/[^/]*-opkg$,d' \
139 sysupgrade_image_check
="fwtool_check_image platform_check_image"
140 sysupgrade_pre_upgrade
="fwtool_pre_upgrade"
142 if [ $SAVE_OVERLAY = 1 ]; then
143 [ ! -d /overlay
/upper
/etc
] && {
144 echo "Cannot find '/overlay/upper/etc', required for '-c'"
147 sysupgrade_init_conffiles
="add_overlayfiles"
149 sysupgrade_init_conffiles
="add_uci_conffiles"
154 do_save_conffiles
() {
155 local conf_tar
="${1:-$CONF_TAR}"
157 [ -z "$(rootfs_type)" ] && {
158 echo "Cannot save config while running from ramdisk."
159 ask_bool
0 "Abort" && exit
163 run_hooks
"$CONFFILES" $sysupgrade_init_conffiles
164 ask_bool
0 "Edit config file list" && vi
"$CONFFILES"
166 v
"Saving config files..."
167 [ "$VERBOSE" -gt 1 ] && TAR_V
="v" || TAR_V
=""
168 tar c
${TAR_V}zf
"$conf_tar" -T "$CONFFILES" 2>/dev
/null
173 if [ $CONF_BACKUP_LIST -eq 1 ]; then
174 run_hooks
"$CONFFILES" $sysupgrade_init_conffiles
180 if [ -n "$CONF_BACKUP" ]; then
181 do_save_conffiles
"$CONF_BACKUP"
185 if [ -n "$CONF_RESTORE" ]; then
186 if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
187 echo "Backup archive '$CONF_RESTORE' not found."
191 [ "$VERBOSE" -gt 1 ] && TAR_V
="v" || TAR_V
=""
192 tar -C / -x${TAR_V}zf
"$CONF_RESTORE"
196 type platform_check_image
>/dev
/null
2>/dev
/null ||
{
197 echo "Firmware upgrade is not implemented for this platform."
203 wget
-O/tmp
/sysupgrade.img
"$IMAGE"
204 IMAGE
=/tmp
/sysupgrade.img
208 IMAGE
="$(readlink -f "$IMAGE")"
212 echo "Image file not found."
217 v
"Image not in /tmp, copying..."
218 cp -f "$IMAGE" /tmp
/sysupgrade.img
219 IMAGE
=/tmp
/sysupgrade.img
226 for check
in $sysupgrade_image_check; do
227 ( $check "$IMAGE" ) ||
{
228 if [ $FORCE -eq 1 ]; then
229 echo "Image check '$check' failed but --force given - will update anyway!"
232 echo "Image check '$check' failed."
238 if [ -n "$CONF_IMAGE" ]; then
239 case "$(get_magic_word $CONF_IMAGE cat)" in
243 echo "Invalid config file. Please use only .tar.gz files"
247 get_image
"$CONF_IMAGE" "cat" > "$CONF_TAR"
249 elif ask_bool
$SAVE_CONFIG "Keep config files over reflash"; then
250 [ $TEST -eq 1 ] || do_save_conffiles
253 [ $TEST -eq 1 ] ||
rm -f "$CONF_TAR"
257 if [ $TEST -eq 1 ]; then
261 if [ $SAVE_PARTITIONS -eq 0 ]; then
262 touch /tmp
/sysupgrade.always.overwrite.bootdisk.partmap
264 rm -f /tmp
/sysupgrade.always.overwrite.bootdisk.partmap
267 run_hooks
"" $sysupgrade_pre_upgrade
269 install_bin
/sbin
/upgraded
270 v
"Commencing upgrade. All shell sessions will be closed now."
272 COMMAND
='. /lib/functions.sh; include /lib/upgrade; do_upgrade_stage2'
274 if [ -n "$FAILSAFE" ]; then
275 printf '%s\x00%s\x00%s' "$RAM_ROOT" "$IMAGE" "$COMMAND" >/tmp
/sysupgrade
276 lock
-u /tmp
/.failsafe
278 ubus call system sysupgrade
"{
279 \"prefix\": $(json_string "$RAM_ROOT"),
280 \"path\": $(json_string "$IMAGE"),
281 \"command\": $(json_string "$COMMAND")