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diff --git a/package/base-files/files/lib/config/uci.sh b/package/base-files/files/lib/config/uci.sh
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+#!/bin/sh
+# Shell script defining macros for manipulating config files
+#
+# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+uci_load() {
+ local PACKAGE="$1"
+ config_load "$PACKAGE"
+ local PACKAGE_BASE="$(basename "$PACKAGE")"
+ [ -f "/tmp/.uci/${PACKAGE_BASE}" ] && {
+ . "/tmp/.uci/${PACKAGE_BASE}"
+ config_cb
+ }
+}
+
+uci_do_update() {
+ local FILENAME="$1"
+ local UPDATE="$2"
+ awk -f /lib/config/uci-update.awk -f - <<EOF
+BEGIN {
+ config = read_file("$FILENAME")
+ $UPDATE
+ print config
+}
+EOF
+}
+
+uci_add_update() {
+ local PACKAGE="$1"
+ local UPDATE="$2"
+ local PACKAGE_BASE="$(basename "$PACKAGE")"
+
+ # FIXME: add locking?
+ mkdir -p "/tmp/.uci"
+ echo "$UPDATE" >> "/tmp/.uci/${PACKAGE_BASE}"
+}
+
+uci_set() {
+ local PACKAGE="$1"
+ local CONFIG="$2"
+ local OPTION="$3"
+ local VALUE="$4"
+
+ ( # spawn a subshell so you don't mess up the current environment
+ uci_load "$PACKAGE"
+ config_get type "$CONFIG" TYPE
+ [ -z "$type" ]
+ ) || uci_add_update "$PACKAGE" "CONFIG_SECTION='$CONFIG'${N}option '$OPTION' '$VALUE'"
+}
+
+uci_add() {
+ local PACKAGE="$1"
+ local TYPE="$2"
+ local CONFIG="$3"
+
+ uci_add_update "$PACKAGE" "config '$TYPE' '$CONFIG'"
+}
+
+uci_rename() {
+ local PACKAGE="$1"
+ local CONFIG="$2"
+ local VALUE="$3"
+
+ uci_add_update "$PACKAGE" "config_rename '$CONFIG' '$VALUE'"
+}
+
+uci_remove() {
+ local PACKAGE="$1"
+ local CONFIG="$2"
+ local OPTION="$3"
+
+ if [ -z "$OPTION" ]; then
+ uci_add_update "$PACKAGE" "config_clear '$CONFIG'"
+ else
+ uci_add_update "$PACKAGE" "config_unset '$CONFIG' '$OPTION'"
+ fi
+}
+
+uci_commit() {
+ local PACKAGE="$1"
+ local PACKAGE_BASE="$(basename "$PACKAGE")"
+
+ mkdir -p /tmp/.uci
+ lock "/tmp/.uci/$PACKAGE_BASE.lock"
+ [ -f "/tmp/.uci/$PACKAGE_BASE" ] && (
+ updatestr=""
+
+ # replace handlers
+ config() {
+ append updatestr "config = update_config(config, \"@$2=$1\")" "$N"
+ }
+ option() {
+ append updatestr "config = update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
+ }
+ config_rename() {
+ append updatestr "config = update_config(config, \"&$1=$2\")" "$N"
+ }
+ config_unset() {
+ append updatestr "config = update_config(config, \"-$1.$2\")" "$N"
+ }
+ config_clear() {
+ append updatestr "config = update_config(config, \"-$1\")" "$N"
+ }
+
+ . "/tmp/.uci/$PACKAGE_BASE"
+
+ # completely disable handlers so that they don't get in the way
+ config() {
+ return 0
+ }
+ option() {
+ return 0
+ }
+
+ config_load "$PACKAGE" || CONFIG_FILENAME="$ROOT/etc/config/$PACKAGE_BASE"
+ uci_do_update "$CONFIG_FILENAME" "$updatestr" > "/tmp/.uci/$PACKAGE_BASE.new" && {
+ mv -f "/tmp/.uci/$PACKAGE_BASE.new" "$CONFIG_FILENAME" && \
+ rm -f "/tmp/.uci/$PACKAGE_BASE"
+ }
+ )
+ lock -u "/tmp/.uci/$PACKAGE_BASE.lock"
+}
+
+