X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=package%2Fbase-files%2Ffiles%2Flib%2Fupgrade%2Fcommon.sh;h=fc59bf2323498d332159b00eb7ab443bfe6b147e;hp=ea03f7761f3326f9db3f8b54e561757f8de1dfa6;hb=b2adb9a7b50fd4a887b22facf6795d71a2629397;hpb=e1406cd31a598b48350e0c012dc177c5b752d05b diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index ea03f7761f..fc59bf2323 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -30,118 +30,6 @@ install_bin() { # [ ... ] }; done } -supivot() { # - /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() { # [...] - 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() { # [ ] - 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 @@ -172,28 +60,31 @@ v() { [ "$VERBOSE" -ge 1 ] && echo "$@" } +json_string() { + local v="$1" + v="${v//\\/\\\\}" + v="${v//\"/\\\"}" + echo "\"$v\"" +} + rootfs_type() { /bin/mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }' } get_image() { # [ ] 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() { @@ -204,6 +95,96 @@ get_magic_long() { (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() { # + 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 @@ -227,12 +208,14 @@ default_do_upgrade() { 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 @@ -240,11 +223,11 @@ do_upgrade() { 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 }