X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=package%2Fbase-files%2Ffiles%2Flib%2Fupgrade%2Fcommon.sh;h=8cdabc6bdaea1cb2c892d656979c8b7c808cf05c;hb=8720bd8dcafdd733159269da1c39aa7db0217756;hp=970016e7baac276d3eb595370bc0336941d697a2;hpb=9e7554db871433758f661e85f8ff95501b62d935;p=openwrt.git diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh index 970016e7ba..8cdabc6bda 100644 --- a/package/base-files/files/lib/upgrade/common.sh +++ b/package/base-files/files/lib/upgrade/common.sh @@ -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 $* 2>/dev/null | sed -r 's/(.* => )?(.*) .*/\2/'; } install_file() { # [ ... ] for file in "$@"; do @@ -21,9 +21,6 @@ install_bin() { # [ ... ] files=$1 [ -x "$src" ] && files="$src $(libs $src)" install_file $files - [ -e /lib/ld-linux.so.3 ] && { - install_file /lib/ld-linux.so.3 - } shift for link in "$@"; do { dest="$RAM_ROOT/$link" @@ -33,45 +30,116 @@ install_bin() { # [ ... ] }; done } -pivot() { # - mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1 - mkdir -p $1$2 $1/proc $1/dev $1/tmp $1/overlay && \ - mount -o move /proc $1/proc && \ +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 || { - 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/overlay /overlay 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() { # [...] - 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 /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 $RAM_ROOT /mnt || { echo "Failed to switch over to ramfs. Please reboot." exit 1 } - mount -o remount,ro /mnt - umount -l /mnt + /bin/mount -o remount,ro /mnt + /bin/umount -l /mnt grep /overlay /proc/mounts > /dev/null && { - mount -o remount,ro /overlay - umount -l /overlay + /bin/mount -o noatime,remount,ro /overlay + /bin/umount -l /overlay } # spawn a new shell from ramdisk to reduce the probability of cache issues exec /bin/busybox ash -c "$*" } +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 $$ ] && [ $pid -ne $my_ppid ]; then + echo -n "$name " + kill -$sig $pid 2>/dev/null + fi + else + case "$name" in + # Skip essential services + *procd*|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*|*nas*) : ;; + + # Killable process + *) + if [ $pid -ne $$ ] && [ $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 @@ -103,7 +171,7 @@ v() { } rootfs_type() { - mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }' + /bin/mount | awk '($3 ~ /^\/$/) && ($5 !~ /rootfs/) { print $5 }' } get_image() { # [ ] @@ -116,22 +184,22 @@ get_image() { # [ ] *) cmd="cat";; esac if [ -z "$conc" ]; then - local magic="$(eval $cmd $from | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')" + local magic="$(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 ${conc:+| $conc}" + eval "$cmd $from 2>/dev/null ${conc:+| $conc}" } get_magic_word() { - get_image "$@" | dd bs=2 count=1 2>/dev/null | hexdump -v -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() { @@ -146,8 +214,8 @@ jffs2_copy_config() { default_do_upgrade() { sync - if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then - get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}" + if [ "$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 @@ -161,24 +229,15 @@ do_upgrade() { 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" && { v "Rebooting system..." - reboot + reboot -f sleep 5 echo b 2>/dev/null >/proc/sysrq-trigger }