#!/bin/sh
-. /etc/functions.sh
-# initialize defaults
-RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
-RAMFS_COPY_DATA="" # extra data files
+. /lib/functions.sh
+. /lib/functions/system.sh
+. /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 DELAY=
-export CONF_IMAGE=
+export IGNORE_MINOR_COMPAT=0
+export FORCE=0
+export CONFFILES=/tmp/sysupgrade.conffiles
# 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;;
- -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) TEST=1;;
+ -h|--help) HELP=1; break;;
+ --ignore-minor-compat-version) export IGNORE_MINOR_COMPAT=1;;
-*)
- echo "Invalid option: $1"
+ echo "Invalid option: $1" >&2
exit 1
;;
*) break;;
shift;
done
-export CONFFILES=/tmp/sysupgrade.conffiles
-export CONF_TAR=/tmp/sysupgrade.tgz
-
-export ARGV="$*"
-export ARGC="$#"
-
-[ -z "$ARGV" ] && {
+print_help() {
cat <<EOF
-Usage: $0 [options] <image file or URL>
+Usage: $0 [<upgrade-option>...] <image file or URL>
+ $0 [-q] [-i] [-c] [-u] [-o] [-k] <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/
+ -o attempt to preserve all changed files in /, except those
+ from packages but including changed confs.
+ -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.
+ -k include in backup a list of current installed packages at
+ $INSTALLED_PACKAGES
+ -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!
+ --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
+
+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
+}
+
+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 "$NEED_IMAGE" ] && {
+ cat <<-EOF
+ -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
+ Do not specify both -b|-r and a firmware image.
+ EOF
exit 1
}
-add_uci_conffiles() {
+# prevent messages from clobbering the tarball when using stdout
+[ "$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} ${file}" | busybox sha256sum -sc - || echo "$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
+}
+
+build_list_of_backup_config_files() {
local file="$1"
- find /etc/config /etc/passwd /etc/group /etc/dropbear \
- /etc/firewall.user /etc/rc.local -type f > "$file"
+
+ ( list_static_conffiles "$find_filter"; list_changed_conffiles ) |
+ sort -u > "$file"
return 0
}
-add_overlayfiles() {
+build_list_of_backup_overlay_files() {
local file="$1"
- find /overlay/etc/ -type f | sed \
- -e 's,^/overlay/,/,' \
- -e '\,/META_[a-zA-Z0-9]*$,d' \
- -e '\,/functions.sh$,d' \
+
+ local packagesfiles=$1.packagesfiles
+ touch "$packagesfiles"
+
+ if [ "$SAVE_OVERLAY_PATH" = / ]; then
+ local conffiles=$1.conffiles
+ local keepfiles=$1.keepfiles
+
+ list_conffiles | cut -f2 -d ' ' | sort -u > "$conffiles"
+
+ # backup files from /etc/sysupgrade.conf and /lib/upgrade/keep.d, but
+ # ignore those aready controlled by opkg conffiles
+ list_static_conffiles | sort -u |
+ grep -h -v -x -F -f $conffiles > "$keepfiles"
+
+ # backup conffiles, but only those changed if '-u'
+ [ $SKIP_UNCHANGED = 1 ] &&
+ list_changed_conffiles | sort -u > "$conffiles"
+
+ # do not backup files from packages, except those listed
+ # in conffiles and keep.d
+ {
+ find /usr/lib/opkg/info -type f -name "*.list" -exec cat {} \;
+ find /usr/lib/opkg/info -type f -name "*.control" -exec sed \
+ -ne '/^Alternatives/{s/^Alternatives: //;s/, /\n/g;p}' {} \; |
+ cut -f2 -d:
+ } | grep -v -x -F -f $conffiles |
+ grep -v -x -F -f $keepfiles | sort -u > "$packagesfiles"
+ rm -f "$keepfiles" "$conffiles"
+ fi
+
+ # busybox grep bug when file is empty
+ [ -s "$packagesfiles" ] || echo > $packagesfiles
+
+ ( cd /overlay/upper/; find .$SAVE_OVERLAY_PATH \( -type f -o -type l \) $find_filter | sed \
+ -e 's,^\.,,' \
+ -e '\,^/etc/board.json$,d' \
-e '\,/[^/]*-opkg$,d' \
- > "$file"
+ -e '\,^/etc/urandom.seed$,d' \
+ -e "\,^$INSTALLED_PACKAGES$,d" \
+ -e '\,^/usr/lib/opkg/.*,d' \
+ ) | grep -v -x -F -f $packagesfiles > "$file"
+
+ rm -f "$packagesfiles"
+
return 0
}
-# hooks
-sysupgrade_image_check="platform_check_image"
-[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
- sysupgrade_init_conffiles="add_uci_conffiles" || \
- sysupgrade_init_conffiles="add_overlayfiles"
+if [ $SAVE_OVERLAY = 1 ]; then
+ [ ! -d /overlay/upper/etc ] && {
+ echo "Cannot find '/overlay/upper/etc', required for '-c' or '-o'" >&2
+ exit 1
+ }
+ sysupgrade_init_conffiles="build_list_of_backup_overlay_files"
+else
+ sysupgrade_init_conffiles="build_list_of_backup_config_files"
+fi
+
+find_filter=""
+if [ $SKIP_UNCHANGED = 1 ]; then
+ [ ! -d /rom/ ] && {
+ echo "'/rom/' is required by '-u'"
+ exit 1
+ }
+ find_filter='( ( -exec test -e /rom/{} ; -exec cmp -s /{} /rom/{} ; ) -o -print )'
+fi
include /lib/upgrade
-do_save_conffiles() {
- [ -z "$(rootfs_type)" ] && {
- echo "Cannot save config while running from ramdisk."
+create_backup_archive() {
+ local conf_tar="$1"
+ local disabled
+ local err
+
+ [ "$(rootfs_type)" = "tmpfs" ] && {
+ echo "Cannot save config while running from ramdisk." >&2
ask_bool 0 "Abort" && exit
return 0
}
run_hooks "$CONFFILES" $sysupgrade_init_conffiles
ask_bool 0 "Edit config file list" && vi "$CONFFILES"
+ [ "$conf_tar" != "-" ] || conf_tar=""
+
v "Saving config files..."
[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
- tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
+ sed -i -e 's,^/,,' "$CONFFILES"
+ set -o pipefail
+ {
+ local ret=0
+
+ if [ $ret -eq 0 ]; then
+ for service in /etc/init.d/*; do
+ if ! $service enabled; then
+ disabled="$disabled$service disable\n"
+ fi
+ done
+ disabled="$disabled\nexit 0"
+ tar_print_member "/etc/uci-defaults/10_disable_services" "$(echo -e $disabled)" || ret=1
+ fi
+
+ # Part of archive with installed packages info
+ if [ $ret -eq 0 ]; then
+ if [ "$SAVE_INSTALLED_PKGS" -eq 1 ]; then
+ # Format: pkg-name<TAB>{rom,overlay,unknown}
+ # rom is used for pkgs in /rom, even if updated later
+ tar_print_member "$INSTALLED_PACKAGES" "$(find /usr/lib/opkg/info -name "*.control" \( \
+ \( -exec test -f /rom/{} \; -exec echo {} rom \; \) -o \
+ \( -exec test -f /overlay/upper/{} \; -exec echo {} overlay \; \) -o \
+ \( -exec echo {} unknown \; \) \
+ \) | sed -e 's,.*/,,;s/\.control /\t/')" || ret=1
+ fi
+ fi
+
+ # Rest of archive with config files and ending padding
+ if [ $ret -eq 0 ]; then
+ tar c${TAR_V} -C / -T "$CONFFILES" || ret=1
+ fi
+
+ [ $ret -eq 0 ]
+ } | gzip > "${conf_tar:-/proc/self/fd/1}"
+ err=$?
+ set +o pipefail
+
+ if [ "$err" -ne 0 ]; then
+ echo "Failed to create the configuration backup."
+ [ -f "$conf_tar" ] && rm -f "$conf_tar"
+ fi
+
+ rm -f "$CONFFILES"
+
+ return "$err"
}
+if [ $CONF_BACKUP_LIST -eq 1 ]; then
+ run_hooks "$CONFFILES" $sysupgrade_init_conffiles
+ [ "$SAVE_INSTALLED_PKGS" -eq 1 ] && echo ${INSTALLED_PACKAGES} >> "$CONFFILES"
+ cat "$CONFFILES"
+ rm -f "$CONFFILES"
+ exit 0
+fi
+
+if [ -n "$CONF_BACKUP" ]; then
+ create_backup_archive "$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
+
+ [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+ v "Restoring config files..."
+ if [ "$(type -t platform_restore_backup)" == 'platform_restore_backup' ]; then
+ platform_restore_backup "$TAR_V"
+ else
+ tar -C / -x${TAR_V}zf "$CONF_RESTORE"
+ fi
+ 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 "$IMAGE" || exit 1
+ IMAGE=/tmp/sysupgrade.img
+ ;;
+esac
+
+IMAGE="$(readlink -f "$IMAGE")"
+
+case "$IMAGE" in
+ '')
+ echo "Image file not found." >&2
exit 1
- }
-done
+ ;;
+ /tmp/*) ;;
+ *)
+ v "Image not in /tmp, copying..."
+ cp -f "$IMAGE" /tmp/sysupgrade.img
+ IMAGE=/tmp/sysupgrade.img
+ ;;
+esac
+
+json_load "$(/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 $CONF_IMAGE cat)" in
# .gz files
1f8b) ;;
*)
- echo "Invalid config file. Please use only .tar.gz files"
+ echo "Invalid config file. Please use only .tar.gz files" >&2
exit 1
;;
esac
get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
export SAVE_CONFIG=1
elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
- do_save_conffiles
+ [ $TEST -eq 1 ] || create_backup_archive "$CONF_TAR" || exit
export SAVE_CONFIG=1
else
+ [ $TEST -eq 1 ] || rm -f "$CONF_TAR"
export SAVE_CONFIG=0
fi
-run_hooks "" $sysupgrade_pre_upgrade
-if [ -n "$(rootfs_type)" ]; then
- v "Switching to ramdisk..."
- run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
+if [ $TEST -eq 1 ]; then
+ exit 0
+fi
+
+install_bin /sbin/upgraded
+v "Commencing upgrade. Closing all shell sessions."
+
+if [ -n "$FAILSAFE" ]; then
+ printf '%s\x00%s\x00%s' "$RAM_ROOT" "$IMAGE" "$COMMAND" >/tmp/sysupgrade
+ lock -u /tmp/.failsafe
else
- do_upgrade
+ json_init
+ json_add_string prefix "$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
projects / openwrt / openwrt.git / blobdiff