done
}
+insert_modules() {
+ [ -d /etc/modules.d ] && {
+ cd /etc/modules.d
+ sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+ }
+}
+
include() {
local file
local part
local mac_dirty
- . /lib/functions.sh
-
part=$(find_mtd_part "$mtdname")
if [ -z "$part" ]; then
echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
return
fi
- mac_dirty=$(strings "$part" | sed -n 's/'"$key"'=//p')
+ mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
+
# "canonicalize" mac
- printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${mac_dirty//:/ 0x}
+ [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
+}
+
+mtd_get_blob()
+{
+ local mtdname="$1"
+ local offset="$2"
+ local count="$3"
+ local firmware="$4"
+ local part
+
+ part=$(find_mtd_part "$mtdname")
+ if [ -z "$part" ]; then
+ echo "mtd_get_blob: partition $mtdname not found!" >&2
+ return 1
+ fi
+
+ dd if=$part of=$firmware bs=1 skip=$offset count=$count 2>/dev/null || {
+ echo "mtd_get_blob: failed to extract $firmware from $part" >&2
+ return 1
+ }
}
mtd_get_mac_binary() {
dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"'
}
+mtd_get_part_size() {
+ local part_name=$1
+ local first dev size erasesize name
+ while read dev size erasesize name; do
+ name=${name#'"'}; name=${name%'"'}
+ if [ "$name" = "$part_name" ]; then
+ echo $((0x$size))
+ break
+ fi
+ done < /proc/mtd
+}
+
macaddr_add() {
local mac=$1
local val=$2
echo -ne \\x${mac//:/\\x}
}
+macaddr_canonicalize()
+{
+ local mac="$1"
+ local canon=""
+
+ [ ${#mac} -gt 17 ] && return
+ [ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
+
+ for octet in ${mac//[\.:-]/ }; do
+ case "${#octet}" in
+ 1)
+ octet="0${octet}"
+ ;;
+ 2)
+ ;;
+ 4)
+ octet="${octet:0:2} ${octet:2:2}"
+ ;;
+ 12)
+ octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
+ ;;
+ *)
+ return
+ ;;
+ esac
+ canon=${canon}${canon:+ }${octet}
+ done
+
+ [ ${#canon} -ne 17 ] && return
+
+ printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
+}
+
strtok() { # <string> { <variable> [<separator>] ... }
local tmp
local val="$1"
done
}
-jffs2_ready() {
- mtdpart="$(find_mtd_part rootfs_data)"
- [ -z "$mtdpart" ] && return 1
- magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
- [ "$magic" != "deadc0de" ]
-}
-
-dupe() { # <new_root> <old_root>
- cd $1
- echo -n "creating directories... "
- {
- cd $2
- find . -xdev -type d
- echo "./dev ./overlay ./mnt ./proc ./tmp"
- # xdev skips mounted directories
- cd $1
- } | xargs mkdir -p
- echo "done"
-
- echo -n "setting up symlinks... "
- for file in $(cd $2; find . -xdev -type f;); do
- case "$file" in
- ./rom/note) ;; #nothing
- ./etc/config*|\
- ./usr/lib/opkg/info/*) cp -af $2/$file $file;;
- *) ln -sf /rom/${file#./*} $file;;
- esac
- done
- for file in $(cd $2; find . -xdev -type l;); do
- cp -af $2/${file#./*} $file
- done
- echo "done"
-}
-
pivot() { # <new_root> <old_root>
- mount -o noatime,move /proc $1/proc && \
+ /bin/mount -o noatime,move /proc $1/proc && \
pivot_root $1 $1$2 && {
- mount -o noatime,move $2/dev /dev
- mount -o noatime,move $2/tmp /tmp
- mount -o noatime,move $2/sys /sys 2>&-
- mount -o noatime,move $2/overlay /overlay 2>&-
+ /bin/mount -o noatime,move $2/dev /dev
+ /bin/mount -o noatime,move $2/tmp /tmp
+ /bin/mount -o noatime,move $2/sys /sys 2>&-
+ /bin/mount -o noatime,move $2/overlay /overlay 2>&-
return 0
}
}
fopivot() { # <rw_root> <ro_root> <dupe?>
- root=$1
- {
- if grep -q overlay /proc/filesystems; then
- mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt && root=/mnt
- elif grep -q mini_fo /proc/filesystems; then
- mount -t mini_fo -o noatime,base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
- else
- mount --bind -o noatime / /mnt
- mount --bind -o noatime,union "$1" /mnt && root=/mnt
- fi
- } || {
- [ "$3" = "1" ] && {
- mount | grep "on $1 type" 2>&- 1>&- || mount -o noatime,bind $1 $1
- dupe $1 $rom
- }
- }
- pivot $root $2
+ /bin/mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt
+ pivot /mnt $2
}
ramoverlay() {
mkdir -p /tmp/root
- mount -t tmpfs -o noatime,mode=0755 root /tmp/root
+ /bin/mount -t tmpfs -o noatime,mode=0755 root /tmp/root
fopivot /tmp/root /rom 1
}