X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=package%2Fbase-files%2Ffiles%2Flib%2Fupgrade%2Fcommon.sh;h=a13a6aaf5aefbfcf9178340506c32e71439d9d50;hb=ea4e1dac71dfa015c0da10e68149478fa25878f9;hp=e3519ca2cb496ff0835a9ef87da7faf217a07964;hpb=7304510392f53013e42d40974be47af3e2494bc7;p=oweals%2Fopenwrt.git diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index e3519ca2cb..a13a6aaf5a 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -6,143 +6,33 @@ RAM_ROOT=/tmp/root libs() { ldd $* 2>/dev/null | sed -r 's/(.* => )?(.*) .*/\2/'; } install_file() { # [ ... ] + local target dest dir for file in "$@"; 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() { # [ ... ] +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 -} - -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 \ - /bin/mknod - - 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 - install_bin /usr/sbin/losetup - install_bin /usr/sbin/mkfs.ext4 - 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 $pid 2>/dev/null - fi - ;; - esac - fi - done - echo "" } run_hooks() { @@ -175,28 +65,31 @@ v() { [ "$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 cmd="$2" + + if [ -z "$cmd" ]; then + local magic="$(dd if="$from" bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')" case "$magic" in - 1f8b) conc="zcat";; - 425a) conc="bzcat";; + 1f8b) cmd="zcat";; + 425a) cmd="bzcat";; + *) cmd="cat";; esac fi - eval "$cmd \"$from\" 2>/dev/null ${conc:+| $conc}" + cat "$from" 2>/dev/null | $cmd } get_magic_word() { @@ -208,41 +101,48 @@ get_magic_long() { } export_bootdevice() { - local cmdline uuid disk uevent + local cmdline bootdisk rootpart uuid blockdev uevent line local MAJOR MINOR DEVNAME DEVTYPE if read cmdline < /proc/cmdline; then case "$cmdline" in *block2mtd=*) - disk="${cmdline##*block2mtd=}" - disk="${disk%%,*}" + bootdisk="${cmdline##*block2mtd=}" + bootdisk="${bootdisk%%,*}" ;; *root=*) - disk="${cmdline##*root=}" - disk="${disk%% *}" + rootpart="${cmdline##*root=}" + rootpart="${rootpart%% *}" + ;; + esac + + case "$bootdisk" in + /dev/*) + uevent="/sys/class/block/${bootdisk##*/}/uevent" ;; 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 "') + 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/${disk##*/}/uevent" + uevent="/sys/class/block/${blockdev##*/}/uevent" break fi done ;; /dev/*) - uevent="/sys/class/block/${disk##*/}/uevent" + uevent="/sys/class/block/${rootpart##*/}/../uevent" ;; esac if [ -e "$uevent" ]; then - . "$uevent" - + while read line; do + export -n "$line" + done < "$uevent" export BOOTDEV_MAJOR=$MAJOR export BOOTDEV_MINOR=$MINOR return 0 @@ -254,10 +154,12 @@ export_bootdevice() { export_partdevice() { local var="$1" offset="$2" - local uevent MAJOR MINOR DEVNAME DEVTYPE + local uevent line MAJOR MINOR DEVNAME DEVTYPE for uevent in /sys/class/block/*/uevent; do - . "$uevent" + 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 @@ -267,6 +169,14 @@ export_partdevice() { 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 + } + echo "$@" +} + get_partitions() { # local disk="$1" local filename="$2" @@ -274,8 +184,8 @@ get_partitions() { # if [ -b "$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 + 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 @@ -286,9 +196,9 @@ get_partitions() { # 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="$(($1 % 256))" - local lba="$(($2))" - local num="$(($3))" + local type="$(( $(hex_le32_to_cpu $1) % 256))" + local lba="$(( $(hex_le32_to_cpu $2) ))" + local num="$(( $(hex_le32_to_cpu $3) ))" [ $type -gt 0 ] || continue @@ -297,14 +207,9 @@ get_partitions() { # fi } -jffs2_copy_config() { - if grep rootfs_data /proc/mtd >/dev/null; then - # squashfs+jffs2 - mtd -e rootfs_data jffs2write "$CONF_TAR" rootfs_data - else - # jffs2 - mtd jffs2write "$CONF_TAR" rootfs - fi +indicate_upgrade() { + . /etc/diag.sh + set_state upgrade } # Flash firmware to MTD partition @@ -314,18 +219,19 @@ jffs2_copy_config() { default_do_upgrade() { sync if [ "$SAVE_CONFIG" -eq 1 ]; then - get_image "$1" "$2" | mtd $MTD_CONFIG_ARGS -j "$CONF_TAR" write - "${PART_NAME:-image}" + get_image "$1" "$2" | mtd $MTD_ARGS $MTD_CONFIG_ARGS -j "$CONF_TAR" write - "${PART_NAME:-image}" else - get_image "$1" "$2" | mtd write - "${PART_NAME:-image}" + get_image "$1" "$2" | mtd $MTD_ARGS write - "${PART_NAME:-image}" fi + [ $? -ne 0 ] && exit 1 } -do_upgrade() { +do_upgrade_stage2() { v "Performing system upgrade..." if type 'platform_do_upgrade' >/dev/null 2>/dev/null; then - platform_do_upgrade "$ARGV" + 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 @@ -333,12 +239,11 @@ do_upgrade() { fi v "Upgrade completed" - [ -n "$DELAY" ] && sleep "$DELAY" - ask_bool 1 "Reboot" && { - v "Rebooting system..." - umount -a - 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 }