}; done
}
-supivot() { # <new_root> <old_root>
- /bin/mount | grep "on $1 type" 2>&- 1>&- || /bin/mount -o bind $1 $1
- mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
- /bin/mount -o noatime,move /proc $1/proc && \
- pivot_root $1 $1$2 || {
- /bin/umount -l $1 $1
- return 1
- }
-
- /bin/mount -o noatime,move $2/sys /sys
- /bin/mount -o noatime,move $2/dev /dev
- /bin/mount -o noatime,move $2/tmp /tmp
- /bin/mount -o noatime,move $2/overlay /overlay 2>&-
- return 0
-}
-
-run_ramfs() { # <command> [...]
- install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount \
- /sbin/pivot_root /sbin/reboot /bin/sync /bin/dd /bin/grep \
- /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/dd \
- /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump \
- /bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc \
- /bin/cut /usr/bin/printf /bin/sync /bin/mkdir /bin/rmdir \
- /bin/rm /usr/bin/basename /bin/kill /bin/chmod /usr/bin/find
-
- install_bin /bin/uclient-fetch /bin/wget
- install_bin /sbin/mtd
- install_bin /sbin/mount_root
- install_bin /sbin/snapshot
- install_bin /sbin/snapshot_tool
- install_bin /usr/sbin/ubiupdatevol
- install_bin /usr/sbin/ubiattach
- install_bin /usr/sbin/ubiblock
- install_bin /usr/sbin/ubiformat
- install_bin /usr/sbin/ubidetach
- install_bin /usr/sbin/ubirsvol
- install_bin /usr/sbin/ubirmvol
- install_bin /usr/sbin/ubimkvol
- install_bin /usr/sbin/partx
- for file in $RAMFS_COPY_BIN; do
- install_bin ${file//:/ }
- done
- install_file /etc/resolv.conf /lib/*.sh /lib/functions/*.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
-
- [ -L "/lib64" ] && ln -s /lib $RAM_ROOT/lib64
-
- supivot $RAM_ROOT /mnt || {
- echo "Failed to switch over to ramfs. Please reboot."
- exit 1
- }
-
- /bin/mount -o remount,ro /mnt
- /bin/umount -l /mnt
-
- grep /overlay /proc/mounts > /dev/null && {
- /bin/mount -o noatime,remount,ro /overlay
- /bin/umount -l /overlay
- }
-
- # spawn a new shell from ramdisk to reduce the probability of cache issues
- exec /bin/busybox ash -c "$*"
-}
-
-kill_remaining() { # [ <signal> ]
- local sig="${1:-TERM}"
- echo -n "Sending $sig to remaining processes ... "
-
- local my_pid=$$
- local my_ppid=$(cut -d' ' -f4 /proc/$my_pid/stat)
- local my_ppisupgraded=
- grep -q upgraded /proc/$my_ppid/cmdline >/dev/null && {
- local my_ppisupgraded=1
- }
-
- local stat
- for stat in /proc/[0-9]*/stat; do
- [ -f "$stat" ] || continue
-
- local pid name state ppid rest
- read pid name state ppid rest < $stat
- name="${name#(}"; name="${name%)}"
-
- local cmdline
- read cmdline < /proc/$pid/cmdline
-
- # Skip kernel threads
- [ -n "$cmdline" ] || continue
-
- if [ $$ -eq 1 ] || [ $my_ppid -eq 1 ] && [ -n "$my_ppisupgraded" ]; then
- # Running as init process, kill everything except me
- if [ $pid -ne $$ ] && [ $pid -ne $my_ppid ]; then
- echo -n "$name "
- kill -$sig $pid 2>/dev/null
- fi
- else
- case "$name" in
- # Skip essential services
- *procd*|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*|*nas*|*relayd*) : ;;
-
- # Killable process
- *)
- if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then
- echo -n "$name "
- kill -$sig $pid 2>/dev/null
- fi
- ;;
- esac
- fi
- done
- echo ""
-}
-
run_hooks() {
local arg="$1"; shift
for func in "$@"; do
[ "$VERBOSE" -ge 1 ] && echo "$@"
}
+json_string() {
+ local v="$1"
+ v="${v//\\/\\\\}"
+ v="${v//\"/\\\"}"
+ echo "\"$v\""
+}
+
rootfs_type() {
/bin/mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
}
get_image() { # <source> [ <command> ]
local from="$1"
- local conc="$2"
- local cmd
-
- case "$from" in
- http://*|ftp://*) cmd="wget -O- -q";;
- *) cmd="cat";;
- esac
- if [ -z "$conc" ]; then
- local magic="$(eval $cmd \"$from\" 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
+ local cat="$2"
+
+ if [ -z "$cat" ]; then
+ local magic="$(dd if="$from" bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
case "$magic" in
- 1f8b) conc="zcat";;
- 425a) conc="bzcat";;
+ 1f8b) cat="zcat";;
+ 425a) cat="bzcat";;
+ *) cat="cat";;
esac
fi
- eval "$cmd \"$from\" 2>/dev/null ${conc:+| $conc}"
+ $cat "$from" 2>/dev/null
}
get_magic_word() {
(get_image "$@" | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
}
+export_bootdevice() {
+ local cmdline uuid disk uevent
+ local MAJOR MINOR DEVNAME DEVTYPE
+
+ if read cmdline < /proc/cmdline; then
+ case "$cmdline" in
+ *block2mtd=*)
+ disk="${cmdline##*block2mtd=}"
+ disk="${disk%%,*}"
+ ;;
+ *root=*)
+ disk="${cmdline##*root=}"
+ disk="${disk%% *}"
+ ;;
+ esac
+
+ case "$disk" in
+ PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-02)
+ uuid="${disk#PARTUUID=}"
+ uuid="${uuid%-02}"
+ for disk in $(find /dev -type b); do
+ set -- $(dd if=$disk 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/${disk##*/}/uevent"
+ break
+ fi
+ done
+ ;;
+ /dev/*)
+ uevent="/sys/class/block/${disk##*/}/uevent"
+ ;;
+ esac
+
+ if [ -e "$uevent" ]; then
+ . "$uevent"
+
+ export BOOTDEV_MAJOR=$MAJOR
+ export BOOTDEV_MINOR=$MINOR
+ return 0
+ fi
+ fi
+
+ return 1
+}
+
+export_partdevice() {
+ local var="$1" offset="$2"
+ local uevent MAJOR MINOR DEVNAME DEVTYPE
+
+ for uevent in /sys/class/block/*/uevent; do
+ . "$uevent"
+ if [ $BOOTDEV_MAJOR = $MAJOR -a $(($BOOTDEV_MINOR + $offset)) = $MINOR -a -b "/dev/$DEVNAME" ]; then
+ export "$var=$DEVNAME"
+ return 0
+ fi
+ done
+
+ return 1
+}
+
+get_partitions() { # <device> <filename>
+ local disk="$1"
+ local filename="$2"
+
+ if [ -b "$disk" -o -f "$disk" ]; then
+ v "Reading partition table from $filename..."
+
+ local magic="$(hexdump -v -n 2 -s 0x1FE -e '1/2 "0x%04X"' "$disk")"
+ if [ "$magic" != 0xAA55 ]; then
+ v "Invalid partition table on $disk"
+ exit
+ fi
+
+ rm -f "/tmp/partmap.$filename"
+
+ local part
+ 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="$(($1 % 256))"
+ local lba="$(($2))"
+ local num="$(($3))"
+
+ [ $type -gt 0 ] || continue
+
+ printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
+ done
+ fi
+}
+
jffs2_copy_config() {
if grep rootfs_data /proc/mtd >/dev/null; then
# squashfs+jffs2
fi
}
-do_upgrade() {
+do_upgrade_stage2() {
v "Performing system upgrade..."
- if type 'platform_do_upgrade' >/dev/null 2>/dev/null; then
- platform_do_upgrade "$ARGV"
+ if [ -n "$do_upgrade" ]; then
+ $do_upgrade "$IMAGE"
+ elif type 'platform_do_upgrade' >/dev/null 2>/dev/null; then
+ platform_do_upgrade "$IMAGE"
else
- default_do_upgrade "$ARGV"
+ default_do_upgrade "$IMAGE"
fi
if [ "$SAVE_CONFIG" -eq 1 ] && type 'platform_copy_config' >/dev/null 2>/dev/null; then
fi
v "Upgrade completed"
- [ -n "$DELAY" ] && sleep "$DELAY"
- ask_bool 1 "Reboot" && {
- v "Rebooting system..."
- reboot -f
- sleep 5
- echo b 2>/dev/null >/proc/sysrq-trigger
- }
+ sleep 1
+
+ v "Rebooting system..."
+ umount -a
+ reboot -f
+ sleep 5
+ echo b 2>/dev/null >/proc/sysrq-trigger
}
projects / openwrt / openwrt.git / blobdiff