/lib/functions.sh: remove strtok()
[openwrt.git] / package / base-files / files / lib / functions.sh
index ae0257a5c5973fe0eb91a3e43c2d2dc016b543f5..30b3f91283786c4d62cb3430a8c9de7c8e91e243 100755 (executable)
@@ -1,6 +1,7 @@
 #!/bin/sh
-# Copyright (C) 2006-2011 OpenWrt.org
+# Copyright (C) 2006-2013 OpenWrt.org
 # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2010 Vertical Communications
 
 
 debug () {
@@ -202,7 +203,7 @@ config_list_foreach() {
        done
 }
 
-load_modules() {
+insert_modules() {
        [ -d /etc/modules.d ] && {
                cd /etc/modules.d
                sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
@@ -240,31 +241,127 @@ find_mtd_chardev() {
        echo "${INDEX:+$PREFIX$INDEX}"
 }
 
-strtok() { # <string> { <variable> [<separator>] ... }
-       local tmp
-       local val="$1"
-       local count=0
+mtd_get_mac_ascii()
+{
+       local mtdname="$1"
+       local key="$2"
+       local part
+       local mac_dirty
 
-       shift
+       part=$(find_mtd_part "$mtdname")
+       if [ -z "$part" ]; then
+               echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
+               return
+       fi
 
-       while [ $# -gt 1 ]; do
-               tmp="${val%%$2*}"
+       mac_dirty=$(strings "$part" | sed -n 's/^'"$key"'=//p')
 
-               [ "$tmp" = "$val" ] && break
+       # "canonicalize" mac
+       [ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
+}
 
-               val="${val#$tmp$2}"
+mtd_get_blob()
+{
+       local mtdname="$1"
+       local offset="$2"
+       local count="$3"
+       local firmware="$4"
+       local part
 
-               export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
-               shift 2
-       done
+       part=$(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
+       }
+}
 
-       if [ $# -gt 0 -a -n "$val" ]; then
-               export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
+mtd_get_mac_binary() {
+       local mtdname="$1"
+       local offset="$2"
+       local part
+
+       part=$(find_mtd_part "$mtdname")
+       if [ -z "$part" ]; then
+               echo "mtd_get_mac_binary: partition $mtdname not found!" >&2
+               return
        fi
 
-       return $count
+       dd bs=1 skip=$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=$2
+       local oui=${mac%:*:*:*}
+       local nic=${mac#*:*:*:}
+
+       nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
+       echo $oui:$nic
+}
+
+macaddr_setbit_la()
+{
+       local mac=$1
+
+       printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
 }
 
+macaddr_2bin()
+{
+       local mac=$1
+
+       echo -ne \\x${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
+}
 
 jffs2_mark_erase() {
        local part="$(find_mtd_part "$1")"
@@ -323,166 +420,4 @@ user_exists() {
        grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
 }
 
-
-pi_include() {
-       if [ -f "/tmp/overlay/$1" ]; then
-               . "/tmp/overlay/$1"
-       elif [ -f "$1" ]; then
-               . "$1"
-       elif [ -d "/tmp/overlay/$1" ]; then
-               if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then
-                       for src_script in /tmp/overlay/$1/*.sh; do
-                               . "$src_script"
-                       done
-               fi
-       elif [ -d "$1" ]; then
-               if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then
-                       for src_script in $1/*.sh; do
-                               . "$src_script"
-                       done
-               fi
-       else
-               echo "WARNING: $1 not found"
-               return 1
-       fi
-       return 0
-}
-
-#!/bin/sh
-# Copyright (C) 2006-2010 OpenWrt.org
-# Copyright (C) 2010 Vertical Communications
-
-boot_hook_splice_start() {
-       export -n PI_HOOK_SPLICE=1
-}
-
-boot_hook_splice_finish() {
-       local hook
-       for hook in $PI_STACK_LIST; do
-               local v; eval "v=\${${hook}_splice:+\$${hook}_splice }$hook"
-               export -n "${hook}=${v% }"
-               export -n "${hook}_splice="
-       done
-       export -n PI_HOOK_SPLICE=
-}
-
-boot_hook_init() {
-       local hook="${1}_hook"
-       export -n "PI_STACK_LIST=${PI_STACK_LIST:+$PI_STACK_LIST }$hook"
-       export -n "$hook="
-}
-
-boot_hook_add() {
-       local hook="${1}_hook${PI_HOOK_SPLICE:+_splice}"
-       local func="${2}"
-
-       [ -n "$func" ] && {
-               local v; eval "v=\$$hook"
-               export -n "$hook=${v:+$v }$func"
-       }
-}
-
-boot_hook_shift() {
-       local hook="${1}_hook"
-       local rvar="${2}"
-
-       local v; eval "v=\$$hook"
-       [ -n "$v" ] && {
-               local first="${v%% *}"
-
-               [ "$v" != "${v#* }" ] && \
-                       export -n "$hook=${v#* }" || \
-                       export -n "$hook="
-
-               export -n "$rvar=$first"
-               return 0
-       }
-
-       return 1
-}
-
-boot_run_hook() {
-       local hook="$1"
-       local func
-
-       while boot_hook_shift "$hook" func; do
-               local ran; eval "ran=\$PI_RAN_$func"
-               [ -n "$ran" ] || {
-                       export -n "PI_RAN_$func=1"
-                       $func "$1" "$2"
-               }
-       done
-}
-
-jffs2_ready () {
-       mtdpart="$(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 && \
-       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>&-
-               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 $2
-}
-
-ramoverlay() {
-       mkdir -p /tmp/root
-       mount -t tmpfs -o noatime,mode=0755 root /tmp/root
-       fopivot /tmp/root /rom 1
-}
-
 [ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh