+++ /dev/null
-#!/bin/sh
-
-RAM_ROOT=/tmp/root
-
-ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
-libs() { ldd $* | awk '{print $3}'; }
-
-install_file() { # <file> [ <file> ... ]
- for file in "$@"; do
- dest="$RAM_ROOT/$file"
- [ -f $file -a ! -f $dest ] && {
- dir="$(dirname $dest)"
- mkdir -p "$dir"
- cp $file $dest
- }
- done
-}
-
-install_bin() { # <file> [ <symlink> ... ]
- src=$1
- files=$1
- [ -x "$src" ] && files="$src $(libs $src)"
- install_file $files
- [ -e /lib/ld.so.1 ] && {
- install_file /lib/ld.so.1
- }
- shift
- for link in "$@"; do {
- dest="$RAM_ROOT/$link"
- dir="$(dirname $dest)"
- mkdir -p "$dir"
- [ -f "$dest" ] || ln -s $src $dest
- }; done
-}
-
-supivot() { # <new_root> <old_root>
- mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
- mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
- mount -o noatime,move /proc $1/proc && \
- pivot_root $1 $1$2 || {
- umount $1 $1
- return 1
- }
-
- mount -o noatime,move $2/sys /sys
- mount -o noatime,move $2/dev /dev
- mount -o noatime,move $2/tmp /tmp
- 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 \
- /bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc
-
- install_bin /sbin/mtd
- for file in $RAMFS_COPY_BIN; do
- install_bin $file
- done
- install_file /etc/resolv.conf /lib/functions.sh /lib/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
-
- supivot $RAM_ROOT /mnt || {
- echo "Failed to switch over to ramfs. Please reboot."
- exit 1
- }
-
- mount -o remount,ro /mnt
- umount -l /mnt
-
- grep /overlay /proc/mounts > /dev/null && {
- mount -o noatime,remount,ro /overlay
- umount -l /overlay
- }
-
- # spawn a new shell from ramdisk to reduce the probability of cache issues
- exec /bin/busybox ash -c "$*"
-}
-
-kill_remaining() { # [ <signal> ]
- local sig="${1:-TERM}"
- echo -n "Sending $sig to remaining processes ... "
-
- local stat
- for stat in /proc/[0-9]*/stat; do
- [ -f "$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 "$cmdline" ] || continue
-
- case "$name" in
- # Skip essential services
- *ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*) : ;;
-
- # Killable process
- *)
- if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then
- echo -n "$name "
- kill -$sig $pid 2>/dev/null
- fi
- ;;
- esac
- done
- echo ""
-}
-
-run_hooks() {
- local arg="$1"; shift
- for func in "$@"; do
- eval "$func $arg"
- done
-}
-
-ask_bool() {
- local default="$1"; shift;
- local answer="$default"
-
- [ "$INTERACTIVE" -eq 1 ] && {
- case "$default" in
- 0) echo -n "$* (y/N): ";;
- *) echo -n "$* (Y/n): ";;
- esac
- read answer
- case "$answer" in
- y*) answer=1;;
- n*) answer=0;;
- *) answer="$default";;
- esac
- }
- [ "$answer" -gt 0 ]
-}
-
-v() {
- [ "$VERBOSE" -ge 1 ] && echo "$@"
-}
-
-rootfs_type() {
- 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 $from | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
- case "$magic" in
- 1f8b) conc="zcat";;
- 425a) conc="bzcat";;
- esac
- fi
-
- eval "$cmd $from ${conc:+| $conc}"
-}
-
-get_magic_word() {
- get_image "$@" | dd bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
-}
-
-get_magic_long() {
- get_image "$@" | dd bs=4 count=1 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
-}
-
-refresh_mtd_partitions() {
- mtd refresh rootfs
-}
-
-jffs2_copy_config() {
- if grep rootfs_data /proc/mtd >/dev/null; then
- # squashfs+jffs2
- mtd -e rootfs_data jffs2write "$CONF_TAR" rootfs_data
- else
- # jffs2
- mtd jffs2write "$CONF_TAR" rootfs
- fi
-}
-
-default_do_upgrade() {
- sync
- if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then
- get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}"
- else
- get_image "$1" | mtd write - "${PART_NAME:-image}"
- fi
-}
-
-do_upgrade() {
- v "Performing system upgrade..."
- if type 'platform_do_upgrade' >/dev/null 2>/dev/null; then
- platform_do_upgrade "$ARGV"
- else
- default_do_upgrade "$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
- }
- 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
- }
-}
projects / openwrt.git / blobdiff