base-files: remove ubi tool
[openwrt/openwrt.git] / package / base-files / files / lib / upgrade / common.sh
index cf8977a5f2c0cd5373c87ebd205b3f36e7571033..8cdabc6bdaea1cb2c892d656979c8b7c808cf05c 100644 (file)
@@ -2,8 +2,8 @@
 
 RAM_ROOT=/tmp/root
 
-ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
-libs() { ldd $* | awk '{print $3}'; }
+[ -x /usr/bin/ldd ] || ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
+libs() { ldd $* 2>/dev/null | sed -r 's/(.* => )?(.*) .*/\2/'; }
 
 install_file() { # <file> [ <file> ... ]
        for file in "$@"; do
@@ -30,45 +30,116 @@ install_bin() { # <file> [ <symlink> ... ]
        }; 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 && \
+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 || {
-        umount $1 $1
+               /bin/umount -l $1 $1
                return 1
        }
-       mount -o move $2/dev /dev
-       mount -o move $2/tmp /tmp
-       mount -o move $2/jffs /jffs 2>&-
+
+       /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 /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
+       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/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
+
        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
        for file in $RAMFS_COPY_BIN; do
-               install_bin $file
+               install_bin ${file//:/ }
        done
-       install_file /etc/resolv.conf /etc/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
+       install_file /etc/resolv.conf /lib/*.sh /lib/functions/*.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
+
+       [ -L "/lib64" ] && ln -s /lib $RAM_ROOT/lib64
 
-       pivot $RAM_ROOT /mnt || {
+       supivot $RAM_ROOT /mnt || {
                echo "Failed to switch over to ramfs. Please reboot."
                exit 1
        }
 
-       mount -o remount,ro /mnt
-       umount -l /mnt
+       /bin/mount -o remount,ro /mnt
+       /bin/umount -l /mnt
 
-       grep /jffs /proc/mounts > /dev/null && {
-               mount -o remount,ro /jffs
-               umount -l /jffs
+       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 $$ ] && [ $pid -ne $my_ppid ]; then
+                               echo -n "$name "
+                               kill -$sig $pid 2>/dev/null
+                       fi
+               else 
+                       case "$name" in
+                               # Skip essential services
+                               *procd*|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*|*nas*) : ;;
+
+                               # Killable process
+                               *)
+                                       if [ $pid -ne $$ ] && [ $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
@@ -100,24 +171,35 @@ v() {
 }
 
 rootfs_type() {
-       mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
+       /bin/mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }'
 }
 
-get_image() {
+get_image() { # <source> [ <command> ]
        local from="$1"
+       local conc="$2"
+       local cmd
 
        case "$from" in
-               http://*|ftp://*) wget -O- -q "$from";;
-               *) cat "$from"
+               http://*|ftp://*) cmd="wget -O- -q";;
+               *) cmd="cat";;
        esac
+       if [ -z "$conc" ]; then
+               local magic="$(eval $cmd $from 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
+               case "$magic" in
+                       1f8b) conc="zcat";;
+                       425a) conc="bzcat";;
+               esac
+       fi
+
+       eval "$cmd $from 2>/dev/null ${conc:+| $conc}"
 }
 
 get_magic_word() {
-       get_image "$1" | dd bs=2 count=1 2>/dev/null | hexdump -C | awk '$2 { print $2 $3 }'
+       (get_image "$@" | 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() {
@@ -131,12 +213,12 @@ jffs2_copy_config() {
 }
 
 default_do_upgrade() {
-       if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then
-               get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}"
+       sync
+       if [ "$SAVE_CONFIG" -eq 1 ]; then
+               get_image "$1" | mtd $MTD_CONFIG_ARGS -j "$CONF_TAR" write - "${PART_NAME:-image}"
        else
                get_image "$1" | mtd write - "${PART_NAME:-image}"
        fi
-       sync
 }
 
 do_upgrade() {
@@ -146,20 +228,17 @@ do_upgrade() {
        else
                default_do_upgrade "$ARGV"
        fi
-       
-       [ "$SAVE_CONFIG" -eq 1 -a -n "$USE_REFRESH" ] && {
-               v "Refreshing partitions"
-               if type 'platform_refresh_partitions' >/dev/null 2>/dev/null; then
-                       platform_refresh_partitions
-               else
-                       refresh_mtd_partitions
-               fi
-               if type 'platform_copy_config' >/dev/null 2>/dev/null; then
-                       platform_copy_config
-               else
-                       jffs2_copy_config
-               fi
-       }
+
+       if [ "$SAVE_CONFIG" -eq 1 ] && type 'platform_copy_config' >/dev/null 2>/dev/null; then
+               platform_copy_config
+       fi
+
+       v "Upgrade completed"
        [ -n "$DELAY" ] && sleep "$DELAY"
-       ask_bool 1 "Reboot" && reboot
+       ask_bool 1 "Reboot" && {
+               v "Rebooting system..."
+               reboot -f
+               sleep 5
+               echo b 2>/dev/null >/proc/sysrq-trigger
+       }
 }