eval ${FAILSAFE:+failsafe}
lock -w /tmp/.failsafe
mount_root
+[ -f /sysupgrade.tgz ] && {
+ echo "- config restore -"
+ cd /
+ mv sysupgrade.tgz /tmp
+ tar xzf /tmp/sysupgrade.tgz
+ rm -f /tmp/sysupgrade.tgz
+ sync
+}
echo "- init -"
--- /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 $files
+ shift
+ for link in "$@"; do {
+ dest="$RAM_ROOT/$link"
+ dir="$(dirname $dest)"
+ mkdir -p "$dir"
+ [ -f "$dest" ] || ln -s $src $dest
+ }; 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 && \
+ pivot_root $1 $1$2 || {
+ umount $1 $1
+ return 1
+ }
+ mount -o move $2/dev /dev
+ mount -o move $2/tmp /tmp
+ mount -o move $2/jffs /jffs 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
+ install_bin /sbin/mtd
+ for file in $RAMFS_COPY_BIN; do
+ install_bin $file
+ done
+ install_file /etc/resolv.conf /etc/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
+
+ pivot $RAM_ROOT /mnt || {
+ echo "Failed to switch over to ramfs. Please reboot."
+ exit 1
+ }
+
+ mount -o remount,ro /mnt
+ umount -l /mnt
+
+ grep /jffs /proc/mounts > /dev/null && {
+ mount -o remount,ro /jffs
+ umount -l /jffs
+ }
+
+ # spawn a new shell from ramdisk to reduce the probability of cache issues
+ exec /bin/busybox ash -c "$*"
+}
+
+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() {
+ local from="$1"
+
+ case "$from" in
+ http://*|ftp://*) wget -O- -q "$from";;
+ *) cat "$from"
+ esac
+}
+
+get_magic_word() {
+ get_image "$1" | dd bs=2 count=1 2>/dev/null | hexdump | awk '$2 { print $2 }'
+}
+
+refresh_mtd_partitions() {
+ mtd refresh rootfs
+}
+
+jffs2_copy_config() {
+ if grep rootfs_data /proc/mtd >/dev/null; then
+ # squashfs+jffs2
+ mtd -e rootfs_data jffs2write "$CONF_TAR" rootfs_data
+ else
+ # jffs2
+ mtd jffs2write "$CONF_TAR" rootfs
+ fi
+}
+
+do_upgrade() {
+ v "Performing system upgrade..."
+ platform_do_upgrade "$ARGV"
+
+ [ "$SAVE_CONFIG" -eq 1 ] && {
+ 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
+ }
+ ask_bool 1 "Reboot" && reboot
+}
--- /dev/null
+#!/bin/sh
+. /etc/functions.sh
+
+# initialize defaults
+RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
+RAMFS_COPY_DATA="" # extra data files
+export INTERACTIVE=0
+export VERBOSE=1
+export SAVE_CONFIG=1
+
+# parse options
+while [ -n "$1" ]; do
+ case "$1" in
+ -i) export INTERACTIVE=1;;
+ -v) export VERBOSE="$(($VERBOSE + 1))";;
+ -q) export VERBOSE="$(($VERBOSE - 1))";;
+ -*)
+ echo "Invalid option: $1"
+ exit 1
+ ;;
+ *) break;;
+ esac
+ shift;
+done
+
+export CONFFILES=/tmp/sysupgrade.conffiles
+export CONF_TAR=/tmp/sysupgrade.tgz
+
+export ARGV="$*"
+export ARGC="$#"
+
+[ -z "$ARGV" ] && {
+ cat <<EOF
+Usage: $0 [options] <image file or URL>
+
+Options:
+ -i interactive mode
+ -v more verbose
+ -q less verbose
+
+EOF
+ exit 1
+}
+
+add_uci_conffiles() {
+ local file="$1"
+ find /etc/config > "$file"
+ return 0
+}
+
+# hooks
+sysupgrade_image_check="platform_check_image"
+sysupgrade_init_conffiles="add_uci_conffiles"
+
+include /lib/upgrade
+
+do_save_conffiles() {
+ [ -z "$(rootfs_type)" ] && {
+ echo "Cannot save config while running from ramdisk."
+ ask_bool 0 "Abort" && exit
+ return 0
+ }
+ run_hooks "$CONFFILES" $sysupgrade_init_conffiles
+ ask_bool 0 "Edit config file list" && vi "$CONFFILES"
+
+ v "Saving config files..."
+ [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+ tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
+}
+
+type platform_check_image >/dev/null 2>/dev/null || {
+ echo "Firmware upgrade is not implemented for this platform."
+ exit 1
+}
+
+for check in $sysupgrade_image_check; do
+ ( eval "$check \"\$ARGV\"" ) || {
+ echo "Image check '$check' failed."
+ exit 1
+ }
+done
+
+if ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
+ do_save_conffiles
+ export SAVE_CONFIG=1
+else
+ export SAVE_CONFIG=0
+fi
+run_hooks "" $sysupgrade_pre_upgrade
+
+v "Switching to ramdisk..."
+run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
else
fname = name;
- inode = add_dirent(name, IFTODT(S_IFREG), parent);
+ inode = add_dirent(fname, IFTODT(S_IFREG), parent);
memset(&ri, 0, sizeof(ri));
ri.magic = JFFS2_MAGIC_BITMASK;
ri.nodetype = JFFS2_NODETYPE_INODE;
goto done;
}
+ if (!*dir)
+ target_ino = 1;
+
/* parse the structure of the jffs2 first
* locate the directory that the file is going to be placed in */
for(;;) {
struct jffs2_raw_dirent *de = (struct jffs2_raw_dirent *) node;
/* is this the right directory name and is it a subdirectory of / */
- if ((de->pino == 1) && !strncmp(de->name, dir, de->nsize))
+ if (*dir && (de->pino == 1) && !strncmp(de->name, dir, de->nsize))
target_ino = de->ino;
/* store the last inode and version numbers for adding extra files */
#define DEBUG
-#define JFFS2_DEFAULT_DIR "tmp"
+#define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */
#define SYSTYPE_UNKNOWN 0
#define SYSTYPE_BROADCOM 1
--- /dev/null
+platform_check_image() {
+ [ "$ARGC" -gt 1 ] && return 1
+
+ case "$(get_magic_word "$1")" in
+ 48eb) return 0;;
+ *)
+ echo "Invalid image type"
+ return 1
+ ;;
+ esac
+}
+
+platform_do_upgrade() {
+ get_image "$1" > /dev/hda
+ sync
+}
+
+x86_prepare_ext2() {
+ # if we're running from ext2, we need to make sure that we have a mtd
+ # partition that points to the active rootfs partition.
+ # however this only matters if we actually need to preserve the config files
+ [ "$SAVE_CONFIG" -eq 1 ] && return 0
+ grep rootfs /proc/mtd >/dev/null || {
+ echo /dev/hda2,65536,rootfs > /sys/module/block2mtd/parameters/block2mtd
+ }
+}
+append sysupgrade_pre_upgrade x86_prepare_ext2
projects / openwrt.git / commitdiff