-#!/bin/sh
-
RAM_ROOT=/tmp/root
-ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
-libs() { ldd $* | awk '{print $3}'; }
+export BACKUP_FILE=sysupgrade.tgz # file extracted by preinit
+
+[ -x /usr/bin/ldd ] || ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
+libs() { ldd $* 2>/dev/null | sed -E 's/(.* => )?(.*) .*/\2/'; }
install_file() { # <file> [ <file> ... ]
+ local target dest dir
for file in "$@"; do
+ if [ -L "$file" ]; then
+ target="$(readlink -f "$file")"
+ dest="$RAM_ROOT/$file"
+ [ ! -f "$dest" ] && {
+ dir="$(dirname "$dest")"
+ mkdir -p "$dir"
+ ln -s "$target" "$dest"
+ }
+ file="$target"
+ fi
dest="$RAM_ROOT/$file"
- [ -f $file -a ! -f $dest ] && {
- dir="$(dirname $dest)"
+ [ -f "$file" -a ! -f "$dest" ] && {
+ dir="$(dirname "$dest")"
mkdir -p "$dir"
- cp $file $dest
+ cp "$file" "$dest"
}
done
}
-install_bin() { # <file> [ <symlink> ... ]
+install_bin() {
+ local src files
src=$1
files=$1
[ -x "$src" ] && files="$src $(libs $src)"
install_file $files
- shift
- for link in "$@"; do {
- dest="$RAM_ROOT/$link"
- dir="$(dirname $dest)"
- mkdir -p "$dir"
- [ -f "$dest" ] || ln -s $src $dest
- }; done
-}
-
-pivot() { # <new_root> <old_root>
- mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
- mkdir -p $1$2 $1/proc $1/dev $1/tmp $1/jffs && \
- mount -o move /proc $1/proc && \
- pivot_root $1 $1$2 || {
- umount $1 $1
- return 1
- }
- mount -o move $2/dev /dev
- mount -o move $2/tmp /tmp
- mount -o move $2/jffs /jffs 2>&-
- return 0
-}
-
-run_ramfs() { # <command> [...]
- install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount /sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd /bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump /bin/sleep /bin/zcat /usr/bin/bzcat
- install_bin /sbin/mtd
- for file in $RAMFS_COPY_BIN; do
- install_bin $file
- done
- install_file /etc/resolv.conf /etc/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
-
- pivot $RAM_ROOT /mnt || {
- echo "Failed to switch over to ramfs. Please reboot."
- exit 1
- }
-
- mount -o remount,ro /mnt
- umount -l /mnt
-
- grep /jffs /proc/mounts > /dev/null && {
- mount -o remount,ro /jffs
- umount -l /jffs
- }
-
- # spawn a new shell from ramdisk to reduce the probability of cache issues
- exec /bin/busybox ash -c "$*"
}
run_hooks() {
[ "$answer" -gt 0 ]
}
+_v() {
+ [ -n "$VERBOSE" ] && [ "$VERBOSE" -ge 1 ] && echo "$*" >&2
+}
+
+_vn() {
+ [ -n "$VERBOSE" ] && [ "$VERBOSE" -ge 1 ] && echo -n "$*" >&2
+}
+
v() {
- [ "$VERBOSE" -ge 1 ] && echo "$@"
+ _v "$(date) upgrade: $@"
+}
+
+vn() {
+ _vn "$(date) upgrade: $@"
+}
+
+json_string() {
+ local v="$1"
+ v="${v//\\/\\\\}"
+ v="${v//\"/\\\"}"
+ echo "\"$v\""
}
rootfs_type() {
- mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
+ /bin/mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
}
get_image() { # <source> [ <command> ]
local from="$1"
local cmd="$2"
- local conc
if [ -z "$cmd" ]; then
- case "$from" in
- http://*|ftp://*) cmd="wget -O- -q";;
- *) cmd="cat";;
- esac
- local magic="$(eval $cmd $from | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
+ local magic="$(dd if="$from" bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
case "$magic" in
- 1f8b) conc="| zcat";;
- 425a) conc="| bzcat";;
+ 1f8b) cmd="zcat";;
+ 425a) cmd="bzcat";;
+ *) cmd="cat";;
esac
fi
- eval "$cmd $from $conc"
+ $cmd <"$from"
+}
+
+get_image_dd() {
+ local from="$1"; shift
+
+ (
+ exec 3>&2
+ ( exec 3>&2; get_image "$from" 2>&1 1>&3 | grep -v -F ' Broken pipe' ) 2>&1 1>&3 \
+ | ( exec 3>&2; dd "$@" 2>&1 1>&3 | grep -v -E ' records (in|out)') 2>&1 1>&3
+ exec 3>&-
+ )
}
get_magic_word() {
- get_image "$1" | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"'
+ (get_image "$@" | dd bs=2 count=1 | hexdump -v -n 2 -e '1/1 "%02x"') 2>/dev/null
}
-refresh_mtd_partitions() {
- mtd refresh rootfs
+get_magic_long() {
+ (get_image "$@" | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
}
-jffs2_copy_config() {
- if grep rootfs_data /proc/mtd >/dev/null; then
- # squashfs+jffs2
- mtd -e rootfs_data jffs2write "$CONF_TAR" rootfs_data
- else
- # jffs2
- mtd jffs2write "$CONF_TAR" rootfs
- fi
+get_magic_gpt() {
+ (get_image "$@" | dd bs=8 count=1 skip=64) 2>/dev/null
}
-default_do_upgrade() {
- sync
- if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then
- get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}"
- else
- get_image "$1" | mtd write - "${PART_NAME:-image}"
- fi
+get_magic_vfat() {
+ (get_image "$@" | dd bs=3 count=1 skip=18) 2>/dev/null
}
-do_upgrade() {
- v "Performing system upgrade..."
- if type 'platform_do_upgrade' >/dev/null 2>/dev/null; then
- platform_do_upgrade "$ARGV"
- else
- default_do_upgrade "$ARGV"
- fi
+get_magic_fat32() {
+ (get_image "$@" | dd bs=1 count=5 skip=82) 2>/dev/null
+}
+
+part_magic_efi() {
+ local magic=$(get_magic_gpt "$@")
+ [ "$magic" = "EFI PART" ]
+}
+
+part_magic_fat() {
+ local magic=$(get_magic_vfat "$@")
+ local magic_fat32=$(get_magic_fat32 "$@")
+ [ "$magic" = "FAT" ] || [ "$magic_fat32" = "FAT32" ]
+}
- [ "$SAVE_CONFIG" -eq 1 -a -n "$USE_REFRESH" ] && {
- v "Refreshing partitions"
- if type 'platform_refresh_partitions' >/dev/null 2>/dev/null; then
- platform_refresh_partitions
- else
- refresh_mtd_partitions
+export_bootdevice() {
+ local cmdline bootdisk rootpart uuid blockdev uevent line class
+ local MAJOR MINOR DEVNAME DEVTYPE
+
+ if read cmdline < /proc/cmdline; then
+ case "$cmdline" in
+ *root=*)
+ rootpart="${cmdline##*root=}"
+ rootpart="${rootpart%% *}"
+ ;;
+ esac
+
+ case "$bootdisk" in
+ /dev/*)
+ uevent="/sys/class/block/${bootdisk##*/}/uevent"
+ ;;
+ esac
+
+ case "$rootpart" in
+ PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-[a-f0-9][a-f0-9])
+ uuid="${rootpart#PARTUUID=}"
+ uuid="${uuid%-[a-f0-9][a-f0-9]}"
+ for blockdev in $(find /dev -type b); do
+ set -- $(dd if=$blockdev bs=1 skip=440 count=4 2>/dev/null | hexdump -v -e '4/1 "%02x "')
+ if [ "$4$3$2$1" = "$uuid" ]; then
+ uevent="/sys/class/block/${blockdev##*/}/uevent"
+ break
+ fi
+ done
+ ;;
+ PARTUUID=????????-????-????-????-??????????02)
+ uuid="${rootpart#PARTUUID=}"
+ uuid="${uuid%02}00"
+ for disk in $(find /dev -type b); do
+ set -- $(dd if=$disk bs=1 skip=568 count=16 2>/dev/null | hexdump -v -e '8/1 "%02x "" "2/1 "%02x""-"6/1 "%02x"')
+ if [ "$4$3$2$1-$6$5-$8$7-$9" = "$uuid" ]; then
+ uevent="/sys/class/block/${disk##*/}/uevent"
+ break
+ fi
+ done
+ ;;
+ /dev/*)
+ uevent="/sys/class/block/${rootpart##*/}/../uevent"
+ ;;
+ 0x[a-f0-9][a-f0-9][a-f0-9] | 0x[a-f0-9][a-f0-9][a-f0-9][a-f0-9] | \
+ [a-f0-9][a-f0-9][a-f0-9] | [a-f0-9][a-f0-9][a-f0-9][a-f0-9])
+ rootpart=0x${rootpart#0x}
+ for class in /sys/class/block/*; do
+ while read line; do
+ export -n "$line"
+ done < "$class/uevent"
+ if [ $((rootpart/256)) = $MAJOR -a $((rootpart%256)) = $MINOR ]; then
+ uevent="$class/../uevent"
+ fi
+ done
+ ;;
+ esac
+
+ if [ -e "$uevent" ]; then
+ while read line; do
+ export -n "$line"
+ done < "$uevent"
+ export BOOTDEV_MAJOR=$MAJOR
+ export BOOTDEV_MINOR=$MINOR
+ return 0
fi
- if type 'platform_copy_config' >/dev/null 2>/dev/null; then
- platform_copy_config
- else
- jffs2_copy_config
+ fi
+
+ return 1
+}
+
+export_partdevice() {
+ local var="$1" offset="$2"
+ local uevent line MAJOR MINOR DEVNAME DEVTYPE
+
+ for uevent in /sys/class/block/*/uevent; do
+ while read line; do
+ export -n "$line"
+ done < "$uevent"
+ if [ $BOOTDEV_MAJOR = $MAJOR -a $(($BOOTDEV_MINOR + $offset)) = $MINOR -a -b "/dev/$DEVNAME" ]; then
+ export "$var=$DEVNAME"
+ return 0
fi
+ done
+
+ return 1
+}
+
+hex_le32_to_cpu() {
+ [ "$(echo 01 | hexdump -v -n 2 -e '/2 "%x"')" = "3031" ] && {
+ echo "${1:0:2}${1:8:2}${1:6:2}${1:4:2}${1:2:2}"
+ return
}
- v "Upgrade completed"
- [ -n "$DELAY" ] && sleep "$DELAY"
- ask_bool 1 "Reboot" && {
- v "Rebooting system..."
- reboot
- sleep 5
- echo b 2>/dev/null >/proc/sysrq-trigger
- }
+ echo "$@"
+}
+
+get_partitions() { # <device> <filename>
+ local disk="$1"
+ local filename="$2"
+
+ if [ -b "$disk" -o -f "$disk" ]; then
+ v "Reading partition table from $filename..."
+
+ local magic=$(dd if="$disk" bs=2 count=1 skip=255 2>/dev/null)
+ if [ "$magic" != $'\x55\xAA' ]; then
+ v "Invalid partition table on $disk"
+ exit
+ fi
+
+ rm -f "/tmp/partmap.$filename"
+
+ local part
+ part_magic_efi "$disk" && {
+ #export_partdevice will fail when partition number is greater than 15, as
+ #the partition major device number is not equal to the disk major device number
+ for part in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+ set -- $(hexdump -v -n 48 -s "$((0x380 + $part * 0x80))" -e '4/4 "%08x"" "4/4 "%08x"" "4/4 "0x%08X "' "$disk")
+
+ local type="$1"
+ local lba="$(( $(hex_le32_to_cpu $4) * 0x100000000 + $(hex_le32_to_cpu $3) ))"
+ local end="$(( $(hex_le32_to_cpu $6) * 0x100000000 + $(hex_le32_to_cpu $5) ))"
+ local num="$(( $end - $lba ))"
+
+ [ "$type" = "00000000000000000000000000000000" ] && continue
+
+ printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
+ done
+ } || {
+ for part in 1 2 3 4; do
+ set -- $(hexdump -v -n 12 -s "$((0x1B2 + $part * 16))" -e '3/4 "0x%08X "' "$disk")
+
+ local type="$(( $(hex_le32_to_cpu $1) % 256))"
+ local lba="$(( $(hex_le32_to_cpu $2) ))"
+ local num="$(( $(hex_le32_to_cpu $3) ))"
+
+ [ $type -gt 0 ] || continue
+
+ printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
+ done
+ }
+ fi
+}
+
+indicate_upgrade() {
+ . /etc/diag.sh
+ set_state upgrade
+}
+
+# Flash firmware to MTD partition
+#
+# $(1): path to image
+# $(2): (optional) pipe command to extract firmware, e.g. dd bs=n skip=m
+default_do_upgrade() {
+ sync
+ echo 3 > /proc/sys/vm/drop_caches
+ if [ -n "$UPGRADE_BACKUP" ]; then
+ get_image "$1" "$2" | mtd $MTD_ARGS $MTD_CONFIG_ARGS -j "$UPGRADE_BACKUP" write - "${PART_NAME:-image}"
+ else
+ get_image "$1" "$2" | mtd $MTD_ARGS write - "${PART_NAME:-image}"
+ fi
+ [ $? -ne 0 ] && exit 1
}
projects / openwrt / openwrt.git / blobdiff