From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 3 Feb 2008 06:48:15 +0000 (+0000)
Subject: Here comes the new UCI. Enjoy :)
X-Git-Tag: reboot~27105
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0cf1a58282bacda7552d294e0f99562ece74cf22;p=oweals%2Fopenwrt.git

Here comes the new UCI. Enjoy :)

SVN-Revision: 10367
---

diff --git a/package/base-files/files/bin/uci b/package/base-files/files/bin/uci
deleted file mode 100755
index f89fe82b7e..0000000000
--- a/package/base-files/files/bin/uci
+++ /dev/null
@@ -1,190 +0,0 @@
-#!/bin/sh
-# Shell script for interacting with config files
-#
-# Copyright (C) 2006        Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
-# Copyright (C) 2006,2007	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_ROOT/etc/functions.sh
-include $UCI_ROOT/lib/config
-
-SEP="[^0-9A-Za-z_]"
-
-do_get() {
-	local PACKAGE
-	local CONFIG
-	local OPTION
-	local DUMMY
-
-	strtok "$*" PACKAGE . CONFIG . OPTION $SEP DUMMY
-
-	[ $? -ne 3 ] && {
-		uci_usage get
-		exit 1
-	}
-
-	uci_load "$PACKAGE"
-	config_get "$CONFIG" "$OPTION"
-}
-
-do_set() {
-	local PACKAGE
-	local CONFIG
-	local OPTION
-	local VALUE
-
-	strtok "$1" PACKAGE . CONFIG = VALUE
-	[ $? -ne 3 -a $? -ne 2 ] && {
-		uci_usage set
-		exit 1
-	}
-	
-	strtok "$CONFIG" CONFIG . OPTION
-	
-	if [ $? -eq 1 ]; then
-		uci_add "$PACKAGE" "$VALUE" "$CONFIG"
-	else
-		uci_set "$PACKAGE" "$CONFIG" "$OPTION" "$VALUE"
-	fi
-}
-
-do_rename() {
-	[ $# -ne 3 ] && {
-		uci_usage rename
-		exit 1
-	}
-	uci_rename "$@"
-}
-
-do_remove() {
-	local PACKAGE
-	local CONFIG
-	local OPTION
-	local DUMMY
-
-	strtok "$*" PACKAGE . CONFIG . OPTION $SEP DUMMY
-	[ $? -ne 3 -a $? -ne 2 ] && {
-		uci_usage rename
-		exit 1
-	}
-	uci_remove "$PACKAGE" "$CONFIG" ${OPTION:+"$OPTION"}
-}
-
-do_commit() {
-	local PACKAGE="$1"
-	for package in ${PACKAGE:-$(cd /tmp/.uci; ls)}; do 
-		[ lock = "${package##*.}" ] && continue # ignore .lock files
-		uci_commit "$package"
-	done
-}
-
-do_show() {
-	local PACKAGE
-	local CONFIG
-	local DUMMY
-
-	strtok "$*" PACKAGE . CONFIG $SEP DUMMY
-	[ $? -gt 2 ] && {
-		uci_usage show
-		exit 1
-	}
-	
-	for package in ${PACKAGE:-$(cd $UCI_ROOT/etc/config; ls)}; do
-		SECTION=""
-	
-		config_cb() {
-			if [ -z "$CONFIG" -o ."$CONFIG" = ."$2" ]; then
-				append SECTION "$2"
-				option_cb() {
-					append "${CONFIG_SECTION}_VARS" "$1"
-				}
-			else
-				option_cb() {
-					return 0
-				}
-			fi
-		}
-			
-		uci_load "$package"
-	
-		for section in $SECTION; do
-			config_get type "$section" TYPE
-			[ -z "$type" ] && continue
-			echo "$package.$section=$type"
-			eval "VARS=\"\${${section}_VARS}\""
-			for var in $VARS; do
-				config_get val "$section" "$var"
-				[ -n "$val" ] && {
-					echo "$package.$section.$var=$val"
-					config_set "$section" "$var" ""
-				}
-			done
-			config_set "$section" TYPE ""
-		done
-	done
-}
-
-do_validate() {
-	[ "$#" -ne 1 ] && {
-		uci_usage validate
-		exit 1
-	}
-	uci_validate "$1" || exit "$?"
-}
-
-uci_usage() {
-	case "$1" in
-		show) echo "$0 show [<package>[.<config>]]";;
-		get) echo "$0 get <package>.<config>.<option>";;
-		set) echo "$0 set <package>.<config>[.<option>]=<value>";;
-		del) echo "$0 del <package>.<config>[.<option>]";;
-		rename) echo "$0 rename <package> <config> <name>";;
-		commit) echo "$0 commit [<package> ... ]";;
-		validate) echo "$0 validate <package>";;
-		*) 
-			echo "Syntax: $0 <command> <arguments...>"
-			echo
-			uci_usage show
-			uci_usage get
-			uci_usage set
-			uci_usage del
-			uci_usage rename
-			uci_usage commit
-			uci_usage validate 
-			echo
-			exit 1
-		;;
-	esac
-}
-
-if [ $# -eq 0 ] ; then
-	uci_usage
-	exit 0
-fi
-
-CMD="$1"
-shift
-case "$CMD" in
-	set) do_set "$@";;
-	del) do_remove "$@";;
-	rename) do_rename "$@";;
-	get) do_get "$@";;
-	show) do_show "$@";;
-	commit) do_commit "$@";;
-	validate) do_validate "$@";;
-	*) uci_usage;;
-esac
-exit 0
diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index ef2801512f..5ad45ecdba 100755
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -10,6 +10,7 @@ N="
 
 _C=0
 NO_EXPORT=1
+LOAD_STATE=1
 
 hotplug_dev() {
 	env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
@@ -23,12 +24,21 @@ append() {
 	eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
 }
 
+config_load() {
+	[ -n "$IPKG_INSTROOT" ] && return 0
+	uci_load "$@"
+}
+
 reset_cb() {
 	config_cb() { return 0; }
 	option_cb() { return 0; }
 }
 reset_cb
 
+package() {
+	return 0
+}
+
 config () {
 	local cfgtype="$1"
 	local name="$2"
@@ -84,37 +94,6 @@ config_clear() {
 	done
 }
 
-config_load() {
-	local cfg
-	local uci
-	local PACKAGE="$1"
-
-	case "$PACKAGE" in
-		/*)	cfg="$PACKAGE"
-			uci=""
-		;;
-		*)	cfg="$UCI_ROOT/etc/config/$PACKAGE"
-			uci="/tmp/.uci/${PACKAGE}"
-		;;
-	esac
-
-	[ -e "$cfg" ] || cfg=""
-	[ -e "$uci" ] || uci=""
-
-	# no config
-	[ -z "$cfg" -a -z "$uci" ] && return 1
-
-	_C=0
-	export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
-	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
-	export ${NO_EXPORT:+-n} CONFIG_SECTION=
-
-	${cfg:+. "$cfg"}
-	${uci:+. "$uci"}
-	
-	${CONFIG_SECTION:+config_cb}
-}
-
 config_get() {
 	case "$3" in
 		"") eval "echo \"\${CONFIG_${1}_${2}}\"";;
@@ -218,8 +197,15 @@ jffs2_mark_erase() {
 	echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
 }
 
-uci_set_default() {
-	local PACKAGE="$1"
-	[ -e "/etc/config/$1" ] && return 0
-	cat > "/etc/config/$1"
-}
+uci_apply_defaults() {(
+	cd /etc/uci-defaults || return 0
+	files="$(ls)"
+	[ -z "$files" ] && return 0
+	mkdir -p /tmp/.uci
+	for file in $files; do
+		( . "./$(basename $file)" ) && rm -f "$file"
+	done
+	uci commit
+)}
+
+[ -z "$IPKG_INSTROOT" ] && . /lib/config/uci.sh
diff --git a/package/base-files/files/etc/hotplug.d/iface/00-netstate b/package/base-files/files/etc/hotplug.d/iface/00-netstate
index 6bf6214375..f215d29b53 100644
--- a/package/base-files/files/etc/hotplug.d/iface/00-netstate
+++ b/package/base-files/files/etc/hotplug.d/iface/00-netstate
@@ -1,3 +1,3 @@
 [ ifup = "$ACTION" ] && {
-	uci set "/var/state/network.$INTERFACE.up=1"
+	uci_set_state network "$INTERFACE" up 1 
 }
diff --git a/package/base-files/files/etc/hotplug.d/iface/10-routes b/package/base-files/files/etc/hotplug.d/iface/10-routes
index 7e957f7f13..963728faf3 100644
--- a/package/base-files/files/etc/hotplug.d/iface/10-routes
+++ b/package/base-files/files/etc/hotplug.d/iface/10-routes
@@ -63,7 +63,6 @@ case "$ACTION" in
 	ifup)
 		include /lib/network
 		scan_interfaces
-		. /var/state/network
 		config_foreach "add_route" route
 		config_foreach "add_route6" route6
 	;;
diff --git a/package/base-files/files/etc/init.d/boot b/package/base-files/files/etc/init.d/boot
index b524c39c64..0b7744746b 100755
--- a/package/base-files/files/etc/init.d/boot
+++ b/package/base-files/files/etc/init.d/boot
@@ -36,6 +36,8 @@ start() {
 	mkdir -p /var/log
 	mkdir -p /var/lock
 	mkdir -p /var/state
+	mkdir -p /tmp/.uci
+	chown 0700 /tmp/.uci
 	touch /var/log/wtmp
 	touch /var/log/lastlog
 	ln -sf /tmp/resolv.conf.auto /tmp/resolv.conf
diff --git a/package/base-files/files/lib/config/uci.awk b/package/base-files/files/lib/config/uci.awk
deleted file mode 100644
index 5972ad23a0..0000000000
--- a/package/base-files/files/lib/config/uci.awk
+++ /dev/null
@@ -1,186 +0,0 @@
-# Configuration update functions - AWK API
-#
-# 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
-
-# parameters: 1
-function config_load(package, var) {
-	while (("/bin/ash -c '. /etc/functions.sh; unset NO_EXPORT; config_load \""package"\"; env | grep \"^CONFIG_\"'" | getline) == 1) {
-		sub("^CONFIG_", "")
-		if (match($0, "=") == 0) {
-			if (var != "") CONFIG[var] = CONFIG[var] "\n" $0
-			next
-		}
-		var=substr($0, 1, RSTART-1)
-		CONFIG[var] = substr($0, RSTART+1, length($0) - RSTART)
-	}
-}
-
-# parameters: 2
-function config_get(package, option) {
-	return CONFIG[package "_" option]
-}
-
-# parameters: 3
-function config_get_bool(package, option, default, var) {
-	var = config_get(package, option);
-	if ((var == "enabled") || (var == "true") || (var == "1") || (var == "on")) return 1
-	if ((var == "disabled") || (var == "false") || (var == "0") || (var == "off")) return 1
-	return (var && var != "0" ? 1 : 0)
-}
-
-
-function read_file(filename,  result) {
-	while ((getline <filename) == 1) {
-		result = result $0 "\n"
-	}
-	gsub(/\n*$/, "", result)
-	return result
-}
-
-function uci_cmd2option(str,  tmp) {
-	if (match(str,"=")!=0) {
-		res = "\toption " substr(str,1,RSTART-1) "\t'" substr(str,RSTART+1) "'"
-	} else {
-		res= ""
-	}
-	return res
-}
-
-function uci_cmd2config(atype,  aname) {
-	return "config \"" atype "\" \"" aname "\""
-}
-
-function uci_update_config(cfg, update,  \
-  lines, line, l, n, i, i2, section, scnt, remove, tmp, aidx, rest) {
-	scnt = 1
-	linecnt=split(cfg "\n", lines, "\n")
-
-	cfg = ""
-	for (n = 1; n < linecnt; n++) {
-		# stupid parser for quoted arguments (e.g. for the type string).
-		# not to be used to gather variable values (backslash escaping doesn't work)
-		line = lines[n]
-		gsub(/^[ \t]*/, "", line)
-		gsub(/#.*$/, "", line)
-		i2 = 1
-		delete l
-		rest = line
-        	while (length(rest)) {
-			if (match(rest, /[ \t\"]+/)) {
-				if (RSTART>1) {
-					l[i2] = substr(rest,1,RSTART-1)
-					i2++
-				}
-				aidx=index(rest,"\"")
-				if (aidx>=RSTART && aidx<=RSTART+RLENGTH) {
-					rest=substr(rest,aidx+1)
-					# find the end of the string
-					match(rest,/\"/)
-					l[i2]=substr(rest,1,RSTART-1)
-					i2++
-				}
-				rest=substr(rest,RSTART+RLENGTH)
-			} else {
-				l[i2] = rest
-				i2++
-				rest = ""
-			}
-		}
-		line = lines[n]
-		
-		# when a command wants to set a config value for the current
-		# section and a blank line is encountered before an option with
-		# the same name, insert it here to maintain some coherency between
-		# manually and automatically created option lines
-		# if an option with the same name appears after this point, simply
-		# ignore it, because it is already set.
-		if ((section != "") && (l[1] != "option")) {
-			if (line ~ /^[ \t]*$/) {
-				if (update ~ "^" section "\\.") {
-					gsub("^" section ".", "", update)
-					cfg = cfg uci_cmd2option(update) "\n"
-					gsub(/=.*$/, "", update)
-					update = "-" section "." update
-				}
-			}
-		}
-
-		if (l[1] == "config") {
-			# look for all unset values
-			if (section != "") {
-				flag=0
-				if (update ~ "^" section "\\.") {
-					flag=1
-					gsub("^" section ".", "", update)
-					cfg = cfg uci_cmd2option(update) "\n"
-					
-					update = "-" section "." update
-				} 
-				if (flag!=0) cfg = cfg "\n"
-			}
-			
-			remove = ""
-			section = l[3]
-			if (!length(section)) {
-				section = "cfg" scnt
-			}	
-			scnt++
-			if (update == "-" section) {
-				remove = "section"
-				update = ""
-			} else if (update ~ "^@" section "=") {
-				update = ""
-			} else if (update ~ "^&" section "=") {
-				gsub("^&" section "=", "", update)
-				line = uci_cmd2config(l[2],update) 
-				update = ""
-			}
-		}
-		if (remove == "option") remove = ""
-		if (l[1] == "option") {
-			if (update ~ "^-" section "\\." l[2] "$") remove = "option"
-			# if a supplied config value already exists, replace the whole line
-			if (match(update, "^" section "." l[2] "=")) {
-				gsub("^" section ".", "", update)
-				line = uci_cmd2option(update)
-				update = ""
-			}
-		}
-		if (remove == "") cfg = cfg line "\n"
-	}
-	
-	# any new options for the last section??
-	if (section != "") {
-		if (update ~ "^" section "\\.") {
-			gsub("^" section ".", "", update)
-			cfg = cfg uci_cmd2option(update) "\n"
-
-			update = "-" section "." update
-		} 
-	}
-
-	if (update ~ "^@") {
-		# new section
-		section = stype = substr(update,2)
-		gsub(/=.*$/,"",section)
-		gsub(/^.*=/,"",stype)
-		cfg = cfg "\nconfig \"" stype "\" \"" section "\"\n"
-	}
-
-	return cfg
-}
diff --git a/package/base-files/files/lib/config/uci.sh b/package/base-files/files/lib/config/uci.sh
deleted file mode 100644
index 71f20488c9..0000000000
--- a/package/base-files/files/lib/config/uci.sh
+++ /dev/null
@@ -1,174 +0,0 @@
-#!/bin/sh
-# Shell script defining macros for manipulating config files
-#
-# Copyright (C) 2006        Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
-# Copyright (C) 2006,2007   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() {
-	config_load "$1"
-}
-
-uci_apply_defaults() {(
-	cd /etc/uci-defaults || return 0
-	files="$(ls)"
-	[ -z "$files" ] && return 0
-	mkdir -p /tmp/.uci
-	for file in $files; do
-		( . "./$(basename $file)" ) && rm -f "$file"
-	done
-	uci commit
-)}
-
-uci_call_awk() {
-	local CMD="$*"
-	awk -f $UCI_ROOT/lib/config/uci.awk -f - <<EOF
-BEGIN {
-	$CMD
-}
-EOF
-}
-
-uci_do_update() {
-	local FILENAME="$1"
-	local UPDATE="$2"
-	uci_call_awk "
-	config = read_file(\"$FILENAME\")
-	$UPDATE
-	print config
-"
-}
-
-uci_add_update() {
-	local PACKAGE="$1"
-	local UPDATE="$2"
-	local PACKAGE_BASE="$(basename "$PACKAGE")"
-	local UCIFILE
-
-	case "$PACKAGE" in
-		/*) UCIFILE="$PACKAGE";;
-		*)
-			UCIFILE="/tmp/.uci/$PACKAGE_BASE"
-			mkdir -p "/tmp/.uci"
-		;;
-	esac
-
-	# FIXME: add locking?
-	echo "$UPDATE" >> "$UCIFILE"
-}
-
-uci_set() {
-	local PACKAGE="$1"
-	local CONFIG="$2"
-	local OPTION="$3"
-	local VALUE="$4"
-
-	case "$PACKAGE" in
-		/*)
-			uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
-		;;
-		*)
-			( # spawn a subshell so you don't mess up the current environment
-				uci_load "$PACKAGE"
-				config_get OLDVAL "$CONFIG" "$OPTION"
-				if [ "x$OLDVAL" != "x$VALUE" ]; then
-					config_get type "$CONFIG" TYPE
-					[ -z "$type" ]
-				fi
-			) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
-		;;
-	esac
-}
-
-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 "$PACKAGE")"
-
-	case "$PACKAGE" in
-		/*) return 0;;
-	esac
-	mkdir -p /tmp/.uci
-	LOCK=`which lock` || LOCK=:
-	$LOCK "/tmp/.uci/$PACKAGE_BASE.lock"
-	[ -f "/tmp/.uci/$PACKAGE_BASE" ] && (
-		updatestr=""
-		
-		# replace handlers
-		config() {
-			append updatestr "config = uci_update_config(config, \"@$2=$1\")" "$N"
-		}
-		option() {
-			append updatestr "config = uci_update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
-		}
-		config_rename() {
-			append updatestr "config = uci_update_config(config, \"&$1=$2\")" "$N"
-		}
-		config_unset() {
-			append updatestr "config = uci_update_config(config, \"-$1.$2\")" "$N"
-		}
-		config_clear() {
-			append updatestr "config = uci_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="${CONFIG_FILENAME:-$UCI_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"
-}
-
-
diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 98d6f13509..611da718cd 100755
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -140,7 +140,7 @@ setup_interface() {
 	config_get macaddr "$config" macaddr
 	grep "$iface:" /proc/net/dev > /dev/null && \
 		$DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
-	uci set "/var/state/network.$config.ifname=$iface"
+	uci_set_state network "$config" ifname "$iface"
 
 	pidfile="/var/run/$iface.pid"
 	case "$proto" in
diff --git a/package/base-files/files/sbin/ifdown b/package/base-files/files/sbin/ifdown
index 08433c75c6..1f200fbdf1 100755
--- a/package/base-files/files/sbin/ifdown
+++ b/package/base-files/files/sbin/ifdown
@@ -11,12 +11,8 @@
 	exit
 }
 
-config_load /var/state/network
-
 # remove the interface's network state
-FILE=/var/state/network.$$
-grep -v "^config_set '$1' " /var/state/network > "$FILE"
-mv "$FILE" /var/state/network
+uci_revert_state network "$1"
 
 include /lib/network
 scan_interfaces
diff --git a/package/base-files/files/sbin/wifi b/package/base-files/files/sbin/wifi
index 8b65e4567d..54e55b49df 100755
--- a/package/base-files/files/sbin/wifi
+++ b/package/base-files/files/sbin/wifi
@@ -75,22 +75,19 @@ start_net() {(
 set_wifi_up() {
 	local cfg="$1"
 	local ifname="$2"
-	uci set "/var/state/wireless.${cfg}.up=1"
-	uci set "/var/state/wireless.${cfg}.ifname=$ifname"
+	uci_set_state wireless "$cfg" up 1
+	uci_set_state wireless "$cfg" ifname "$ifname"
 }
 
 set_wifi_down() {
 	local cfg="$1"
 	local vifs vif vifstr
-	[ -f /var/state/wireless ] || return
 
+	uci_revert_state wireless "$cfg"
 	config_get vifs "$cfg" vifs
 	for vif in $vifs; do
-		append vifstr "$vif" "|"
+		uci_revert_state wireless "$vif"
 	done
-	FILE="/var/state/wireless.$$"
-	grep -vE "^config_set '($vifstr)' " /var/state/wireless > "$FILE"
-	mv "$FILE" /var/state/wireless
 }
 
 scan_wifi() {
diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index 30e84e6da2..147b9f1a93 100755
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -7,7 +7,6 @@ RESOLV_CONF="/tmp/resolv.conf.auto"
 
 hotplug_event() {
 	scan_interfaces
-	config_load /var/state/network
 	for ifc in $interfaces; do
 		config_get ifname $ifc ifname
 		[ "$ifname" = "$interface" ] || continue
@@ -15,11 +14,11 @@ hotplug_event() {
 		config_get proto $ifc proto
 		[ "$proto" = "dhcp" ] || continue
 		[ ifup = "$1" ] && {
-			uci set "/var/state/network.$ifc.ipaddr=$ip"
-			uci set "/var/state/network.$ifc.netmask=${subnet:-255.255.255.0}"
-			uci set "/var/state/network.$ifc.dnsdomain=$domain"
-			uci set "/var/state/network.$ifc.dns=$dns"
-			uci set "/var/state/network.$ifc.gateway=$router"
+			uci_set_state network "$ifc" ipaddr "$ip"
+			uci_set_state network "$ifc" netmask "${subnet:-255.255.255.0}"
+			uci_set_state network "$ifc" dnsdomain "$domain"
+			uci_set_state network "$ifc" dns "$dns"
+			uci_set_state network "$ifc" gateway "$router"
 		}
 		env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
 	done
diff --git a/package/dnsmasq/files/dnsmasq.init b/package/dnsmasq/files/dnsmasq.init
index 4425504509..62e2f51fed 100644
--- a/package/dnsmasq/files/dnsmasq.init
+++ b/package/dnsmasq/files/dnsmasq.init
@@ -231,7 +231,6 @@ dhcp_option_add() {
 start() {
 	include /lib/network
 	scan_interfaces
-	config_load /var/state/network
 	config_load dhcp
 
 	args=""
diff --git a/package/iptables/files/firewall.init b/package/iptables/files/firewall.init
index 204310af26..2d8c5edbdb 100755
--- a/package/iptables/files/firewall.init
+++ b/package/iptables/files/firewall.init
@@ -6,7 +6,6 @@ START=45
 start() {
 	include /lib/network
 	scan_interfaces
-	config_load /var/state/network
 	
 	config_get WAN wan ifname
 	config_get WANDEV wan device
diff --git a/package/ppp/files/etc/ppp/ip-down b/package/ppp/files/etc/ppp/ip-down
index f3d63a019a..30151f426d 100755
--- a/package/ppp/files/etc/ppp/ip-down
+++ b/package/ppp/files/etc/ppp/ip-down
@@ -10,9 +10,7 @@ export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM
 	env -i ACTION="ifdown" INTERFACE="$PPP_IPPARAM" DEVICE="$PPP_IFACE" PROTO=ppp /sbin/hotplug-call "iface"
 
 	# remove the interface's network state
-	FILE=/var/state/network.$$
-	grep -v "^config_set '$PPP_IPPARAM' " /var/state/network > "$FILE"
-	mv "$FILE" /var/state/network
+	uci_revert_state network "$PPP_IPPARAM"
 }
 
 [ -d /etc/ppp/ip-down.d ] && {
diff --git a/package/ppp/files/etc/ppp/ip-up b/package/ppp/files/etc/ppp/ip-up
index a50137f5d4..acbb5997ae 100755
--- a/package/ppp/files/etc/ppp/ip-up
+++ b/package/ppp/files/etc/ppp/ip-up
@@ -8,8 +8,8 @@ PPP_IPPARAM="$6"
 export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM
 [ -z "$PPP_IPPARAM" ] || env -i ACTION="ifup" INTERFACE="$PPP_IPPARAM" DEVICE="$PPP_IFACE" PROTO=ppp /sbin/hotplug-call "iface"
 [ -z "$PPP_IPPARAM" -o -z "$PPP_LOCAL" ] || {
-	uci set "/var/state/network.$PPP_IPPARAM.ipaddr=$PPP_LOCAL"
-	uci set "/var/state/network.$PPP_IPPARAM.gateway=$PPP_REMOTE"
+	uci_set_state network "$PPP_IPPARAM" ipaddr "$PPP_LOCAL"
+	uci_set_state network "$PPP_IPPARAM" gateway "$PPP_REMOTE"
 }
 
 
diff --git a/package/pptp/files/pptp.sh b/package/pptp/files/pptp.sh
index f1c46c9a39..0743082ca9 100644
--- a/package/pptp/files/pptp.sh
+++ b/package/pptp/files/pptp.sh
@@ -23,7 +23,7 @@ setup_interface_pptp() {
 	# make sure the network state references the correct ifname
 	scan_ppp "$config"
 	config_get ifname "$config" ifname
-	uci set "/var/state/network.$config.ifname=$ifname"
+	uci_set_state network "$config" ifname "$ifname"
 
 	config_get mtu "$cfg" mtu
 	config_get server "$cfg" server
diff --git a/package/qos-scripts/files/usr/lib/qos/generate.sh b/package/qos-scripts/files/usr/lib/qos/generate.sh
index 55ddf3c7fc..04c833b5c5 100755
--- a/package/qos-scripts/files/usr/lib/qos/generate.sh
+++ b/package/qos-scripts/files/usr/lib/qos/generate.sh
@@ -17,7 +17,6 @@ add_insmod() {
 		reset_cb
 		include /lib/network
 		scan_interfaces
-		config_load /var/state/network
 		config_get "$1" ifname
 	)}
 } || {
diff --git a/package/uci/Makefile b/package/uci/Makefile
new file mode 100644
index 0000000000..f4bd07f93f
--- /dev/null
+++ b/package/uci/Makefile
@@ -0,0 +1,75 @@
+# 
+# Copyright (C) 2008 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+# $Id$
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=uci
+PKG_VERSION:=0.1
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=http://downloads.openwrt.org/sources
+PKG_MD5SUM:=f6340dce09f5f1552c4e03be98e64265
+
+include $(INCLUDE_DIR)/package.mk
+
+# set to 1 to enable debugging
+DEBUG=
+
+define Package/libuci
+  SECTION:=libs
+  CATEGORY:=Libraries
+  DEPENDS:=+libuci
+  TITLE:=C library for the Unified Configuration Interface (UCI)
+endef
+
+define Package/uci
+  SECTION:=base
+  CATEGORY:=Base system
+  DEPENDS:=+libuci
+  TITLE:=Utility for the Unified Configuration Interface (UCI)
+endef
+
+define Package/uci-sh
+  SECTION:=base
+  CATEGORY:=Base system
+  DEPENDS:=@!PACKAGE_uci
+  TITLE:=Old shell/awk implementation of UCI
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		$(TARGET_CONFIGURE_OPTS) \
+		COPTS="$(TARGET_CFLAGS)" \
+		DEBUG="$(DEBUG)" \
+		VERSION="$(PKG_VERSION)" \
+		OS="Linux"
+endef
+
+define Package/libuci/install
+	$(INSTALL_DIR) $(1)/lib
+	$(CP) $(PKG_BUILD_DIR)/libuci.so* $(1)/lib/
+endef
+
+define Package/uci/install
+	$(INSTALL_DIR) $(1)/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/uci $(1)/sbin/
+	$(CP) ./files/uci/* $(1)/
+endef
+
+define Package/uci-sh/install
+	$(INSTALL_DIR) $(1)
+	$(CP) ./files/uci-sh/* $(1)/
+endef
+
+$(eval $(call BuildPackage,uci))
+$(eval $(call BuildPackage,libuci))
+$(eval $(call BuildPackage,uci-sh))
diff --git a/package/uci/files/uci-sh/bin/uci b/package/uci/files/uci-sh/bin/uci
new file mode 100755
index 0000000000..f89fe82b7e
--- /dev/null
+++ b/package/uci/files/uci-sh/bin/uci
@@ -0,0 +1,190 @@
+#!/bin/sh
+# Shell script for interacting with config files
+#
+# Copyright (C) 2006        Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2006,2007	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_ROOT/etc/functions.sh
+include $UCI_ROOT/lib/config
+
+SEP="[^0-9A-Za-z_]"
+
+do_get() {
+	local PACKAGE
+	local CONFIG
+	local OPTION
+	local DUMMY
+
+	strtok "$*" PACKAGE . CONFIG . OPTION $SEP DUMMY
+
+	[ $? -ne 3 ] && {
+		uci_usage get
+		exit 1
+	}
+
+	uci_load "$PACKAGE"
+	config_get "$CONFIG" "$OPTION"
+}
+
+do_set() {
+	local PACKAGE
+	local CONFIG
+	local OPTION
+	local VALUE
+
+	strtok "$1" PACKAGE . CONFIG = VALUE
+	[ $? -ne 3 -a $? -ne 2 ] && {
+		uci_usage set
+		exit 1
+	}
+	
+	strtok "$CONFIG" CONFIG . OPTION
+	
+	if [ $? -eq 1 ]; then
+		uci_add "$PACKAGE" "$VALUE" "$CONFIG"
+	else
+		uci_set "$PACKAGE" "$CONFIG" "$OPTION" "$VALUE"
+	fi
+}
+
+do_rename() {
+	[ $# -ne 3 ] && {
+		uci_usage rename
+		exit 1
+	}
+	uci_rename "$@"
+}
+
+do_remove() {
+	local PACKAGE
+	local CONFIG
+	local OPTION
+	local DUMMY
+
+	strtok "$*" PACKAGE . CONFIG . OPTION $SEP DUMMY
+	[ $? -ne 3 -a $? -ne 2 ] && {
+		uci_usage rename
+		exit 1
+	}
+	uci_remove "$PACKAGE" "$CONFIG" ${OPTION:+"$OPTION"}
+}
+
+do_commit() {
+	local PACKAGE="$1"
+	for package in ${PACKAGE:-$(cd /tmp/.uci; ls)}; do 
+		[ lock = "${package##*.}" ] && continue # ignore .lock files
+		uci_commit "$package"
+	done
+}
+
+do_show() {
+	local PACKAGE
+	local CONFIG
+	local DUMMY
+
+	strtok "$*" PACKAGE . CONFIG $SEP DUMMY
+	[ $? -gt 2 ] && {
+		uci_usage show
+		exit 1
+	}
+	
+	for package in ${PACKAGE:-$(cd $UCI_ROOT/etc/config; ls)}; do
+		SECTION=""
+	
+		config_cb() {
+			if [ -z "$CONFIG" -o ."$CONFIG" = ."$2" ]; then
+				append SECTION "$2"
+				option_cb() {
+					append "${CONFIG_SECTION}_VARS" "$1"
+				}
+			else
+				option_cb() {
+					return 0
+				}
+			fi
+		}
+			
+		uci_load "$package"
+	
+		for section in $SECTION; do
+			config_get type "$section" TYPE
+			[ -z "$type" ] && continue
+			echo "$package.$section=$type"
+			eval "VARS=\"\${${section}_VARS}\""
+			for var in $VARS; do
+				config_get val "$section" "$var"
+				[ -n "$val" ] && {
+					echo "$package.$section.$var=$val"
+					config_set "$section" "$var" ""
+				}
+			done
+			config_set "$section" TYPE ""
+		done
+	done
+}
+
+do_validate() {
+	[ "$#" -ne 1 ] && {
+		uci_usage validate
+		exit 1
+	}
+	uci_validate "$1" || exit "$?"
+}
+
+uci_usage() {
+	case "$1" in
+		show) echo "$0 show [<package>[.<config>]]";;
+		get) echo "$0 get <package>.<config>.<option>";;
+		set) echo "$0 set <package>.<config>[.<option>]=<value>";;
+		del) echo "$0 del <package>.<config>[.<option>]";;
+		rename) echo "$0 rename <package> <config> <name>";;
+		commit) echo "$0 commit [<package> ... ]";;
+		validate) echo "$0 validate <package>";;
+		*) 
+			echo "Syntax: $0 <command> <arguments...>"
+			echo
+			uci_usage show
+			uci_usage get
+			uci_usage set
+			uci_usage del
+			uci_usage rename
+			uci_usage commit
+			uci_usage validate 
+			echo
+			exit 1
+		;;
+	esac
+}
+
+if [ $# -eq 0 ] ; then
+	uci_usage
+	exit 0
+fi
+
+CMD="$1"
+shift
+case "$CMD" in
+	set) do_set "$@";;
+	del) do_remove "$@";;
+	rename) do_rename "$@";;
+	get) do_get "$@";;
+	show) do_show "$@";;
+	commit) do_commit "$@";;
+	validate) do_validate "$@";;
+	*) uci_usage;;
+esac
+exit 0
diff --git a/package/uci/files/uci-sh/lib/config/uci.awk b/package/uci/files/uci-sh/lib/config/uci.awk
new file mode 100644
index 0000000000..c560907f2d
--- /dev/null
+++ b/package/uci/files/uci-sh/lib/config/uci.awk
@@ -0,0 +1,186 @@
+# Configuration update functions - AWK API
+#
+# 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
+
+# parameters: 1
+function config_load(package, var) {
+	while (("/bin/ash -c '. /etc/functions.sh; unset NO_EXPORT; config_load \""package"\"; env | grep \"^CONFIG_\"'" | getline) == 1) {
+		sub("^CONFIG_", "")
+		if (match($0, "=") == 0) {
+			if (var != "") CONFIG[var] = CONFIG[var] "\n" $0
+			next
+		}
+		var=substr($0, 1, RSTART-1)
+		CONFIG[var] = substr($0, RSTART+1, length($0) - RSTART)
+	}
+}
+
+# parameters: 2
+function config_get(package, option) {
+	return CONFIG[package "_" option]
+}
+
+# parameters: 3
+function config_get_bool(package, option, default, var) {
+	var = config_get(package, option);
+	if ((var == "enabled") || (var == "true") || (var == "1") || (var == "on")) return 1
+	if ((var == "disabled") || (var == "false") || (var == "0") || (var == "off")) return 1
+	return (var && var != "0" ? 1 : 0)
+}
+
+
+function read_file(filename,  result) {
+	while ((getline <filename) == 1) {
+		result = result $0 "\n"
+	}
+	gsub(/\n*$/, "", result)
+	return result
+}
+
+function uci_cmd2option(str,  tmp) {
+	if (match(str,"=")!=0) {
+		res = "\toption " substr(str,1,RSTART-1) "\t'" substr(str,RSTART+1) "'"
+	} else {
+		res= ""
+	}
+	return res
+}
+
+function uci_cmd2config(atype,  aname) {
+	return "config \"" atype "\" \"" aname "\""
+}
+
+function uci_update_config(cfg, update,  \
+  lines, line, l, n, i, i2, section, scnt, remove, tmp, aidx, rest) {
+	scnt = 1
+	linecnt=split(cfg "\n", lines, "\n")
+
+	cfg = ""
+	for (n = 1; n < linecnt; n++) {
+		# stupid parser for quoted arguments (e.g. for the type string).
+		# not to be used to gather variable values (backslash escaping doesn't work)
+		line = lines[n]
+		gsub(/^[ \t]*/, "", line)
+		gsub(/#.*$/, "", line)
+		i2 = 1
+		delete l
+		rest = line
+		while (length(rest)) {
+			if (match(rest, /[ \t\"]+/)) {
+				if (RSTART>1) {
+					l[i2] = substr(rest,1,RSTART-1)
+					i2++
+				}
+				aidx=index(rest,"\"")
+				if (aidx>=RSTART && aidx<=RSTART+RLENGTH) {
+					rest=substr(rest,aidx+1)
+					# find the end of the string
+					match(rest,/\"/)
+					l[i2]=substr(rest,1,RSTART-1)
+					i2++
+				}
+				rest=substr(rest,RSTART+RLENGTH)
+			} else {
+				l[i2] = rest
+				i2++
+				rest = ""
+			}
+		}
+		line = lines[n]
+
+		# when a command wants to set a config value for the current
+		# section and a blank line is encountered before an option with
+		# the same name, insert it here to maintain some coherency between
+		# manually and automatically created option lines
+		# if an option with the same name appears after this point, simply
+		# ignore it, because it is already set.
+		if ((section != "") && (l[1] != "option")) {
+			if (line ~ /^[ \t]*$/) {
+				if (update ~ "^" section "\\.") {
+					gsub("^" section ".", "", update)
+					cfg = cfg uci_cmd2option(update) "\n"
+					gsub(/=.*$/, "", update)
+					update = "-" section "." update
+				}
+			}
+		}
+
+		if (l[1] == "config") {
+			# look for all unset values
+			if (section != "") {
+				flag=0
+				if (update ~ "^" section "\\.") {
+					flag=1
+					gsub("^" section ".", "", update)
+					cfg = cfg uci_cmd2option(update) "\n"
+
+					update = "-" section "." update
+				}
+				if (flag!=0) cfg = cfg "\n"
+			}
+
+			remove = ""
+			section = l[3]
+			if (!length(section)) {
+				section = "cfg" scnt
+			}
+			scnt++
+			if (update == "-" section) {
+				remove = "section"
+				update = ""
+			} else if (update ~ "^@" section "=") {
+				update = ""
+			} else if (update ~ "^&" section "=") {
+				gsub("^&" section "=", "", update)
+				line = uci_cmd2config(l[2],update)
+				update = ""
+			}
+		}
+		if (remove == "option") remove = ""
+		if (l[1] == "option") {
+			if (update ~ "^-" section "\\." l[2] "$") remove = "option"
+			# if a supplied config value already exists, replace the whole line
+			if (match(update, "^" section "." l[2] "=")) {
+				gsub("^" section ".", "", update)
+				line = uci_cmd2option(update)
+				update = ""
+			}
+		}
+		if (remove == "") cfg = cfg line "\n"
+	}
+
+	# any new options for the last section??
+	if (section != "") {
+		if (update ~ "^" section "\\.") {
+			gsub("^" section ".", "", update)
+			cfg = cfg uci_cmd2option(update) "\n"
+
+			update = "-" section "." update
+		}
+	}
+
+	if (update ~ "^@") {
+		# new section
+		section = stype = substr(update,2)
+		gsub(/=.*$/,"",section)
+		gsub(/^.*=/,"",stype)
+		cfg = cfg "\nconfig \"" stype "\" \"" section "\"\n"
+	}
+
+	return cfg
+}
diff --git a/package/uci/files/uci-sh/lib/config/uci.sh b/package/uci/files/uci-sh/lib/config/uci.sh
new file mode 100644
index 0000000000..f584832826
--- /dev/null
+++ b/package/uci/files/uci-sh/lib/config/uci.sh
@@ -0,0 +1,214 @@
+#!/bin/sh
+# Shell script defining macros for manipulating config files
+#
+# Copyright (C) 2006        Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2006,2007   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_set_default() {
+	local PACKAGE="$1"
+	[ -e "/etc/config/$1" ] && return 0
+	cat > "/etc/config/$1"
+}
+
+uci_load() {
+	local cfg
+	local uci
+
+	_C=0
+	export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
+	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
+	export ${NO_EXPORT:+-n} CONFIG_SECTION=
+
+	case "$PACKAGE" in
+		/*) cfg="$PACKAGE";;
+		 *) 
+		 	cfg="$UCI_ROOT/etc/config/$PACKAGE"
+			uci="$UCI_ROOT/tmp/.uci/$PACKAGE"
+			state="$UCI_ROOT/var/state/$PACKAGE"
+		;;
+	esac
+
+	# no config?
+	[ -z "$cfg" -o \! -f "$cfg" ] && return 1
+	. "$cfg"
+
+	${CONFIG_SECTION:+config_cb}
+
+	[ -z "$uci" -o \! -f "$uci" ] || . "$uci"
+	[ -z "$LOAD_STATE" -z "$state" -o \! -f "$state" ] || . "$state"
+
+	return 0
+}
+
+uci_call_awk() {
+	local CMD="$*"
+	awk -f $UCI_ROOT/lib/config/uci.awk -f - <<EOF
+BEGIN {
+	$CMD
+}
+EOF
+}
+
+uci_do_update() {
+	local FILENAME="$1"
+	local UPDATE="$2"
+	uci_call_awk "
+	config = read_file(\"$FILENAME\")
+	$UPDATE
+	print config
+"
+}
+
+uci_add_update() {
+	local PACKAGE="$1"
+	local UPDATE="$2"
+	local PACKAGE_BASE="$(basename "$PACKAGE")"
+	local UCIFILE
+
+	case "$PACKAGE" in
+		/*) UCIFILE="$PACKAGE";;
+		*)
+			UCIFILE="/tmp/.uci/$PACKAGE_BASE"
+			mkdir -p "/tmp/.uci"
+		;;
+	esac
+
+	# FIXME: add locking?
+	echo "$UPDATE" >> "$UCIFILE"
+}
+
+uci_revert_state() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	FILE="/var/state/$PACKAGE.$$"
+	grep -v "^config_set '$CONFIG' " "/var/state/$PAKAGE" > "$FILE"
+	mv "$FILE" "/var/state/$PACKAGE"
+}
+
+uci_set_state() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local OPTION="$3"
+	local VALUE="$4"
+
+	[ -z "$VALUE" ] && return 1
+	uci_set "/var/state/$PACKAGE" "$CONFIG" "$OPTION" "$VALUE"
+}
+
+
+uci_set() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local OPTION="$3"
+	local VALUE="$4"
+
+	case "$PACKAGE" in
+		/*)
+			uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
+		;;
+		*)
+			( # spawn a subshell so you don't mess up the current environment
+				uci_load "$PACKAGE"
+				config_get OLDVAL "$CONFIG" "$OPTION"
+				if [ "x$OLDVAL" != "x$VALUE" ]; then
+					config_get type "$CONFIG" TYPE
+					[ -z "$type" ]
+				fi
+			) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
+		;;
+	esac
+}
+
+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 "$PACKAGE")"
+
+	case "$PACKAGE" in
+		/*) return 0;;
+	esac
+	mkdir -p /tmp/.uci
+	LOCK=`which lock` || LOCK=:
+	$LOCK "/tmp/.uci/$PACKAGE_BASE.lock"
+	[ -f "/tmp/.uci/$PACKAGE_BASE" ] && (
+		updatestr=""
+		
+		# replace handlers
+		config() {
+			append updatestr "config = uci_update_config(config, \"@$2=$1\")" "$N"
+		}
+		option() {
+			append updatestr "config = uci_update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
+		}
+		config_rename() {
+			append updatestr "config = uci_update_config(config, \"&$1=$2\")" "$N"
+		}
+		config_unset() {
+			append updatestr "config = uci_update_config(config, \"-$1.$2\")" "$N"
+		}
+		config_clear() {
+			append updatestr "config = uci_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="${CONFIG_FILENAME:-$UCI_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"
+}
+
+
diff --git a/package/uci/files/uci/lib/config/uci.sh b/package/uci/files/uci/lib/config/uci.sh
new file mode 100644
index 0000000000..3a264a212b
--- /dev/null
+++ b/package/uci/files/uci/lib/config/uci.sh
@@ -0,0 +1,93 @@
+#!/bin/sh
+# Shell script compatibility wrappers for /sbin/uci
+#
+# Copyright (C) 2008  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"
+
+	_C=0
+	export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
+	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
+	export ${NO_EXPORT:+-n} CONFIG_SECTION=
+
+	eval "$(/sbin/uci ${LOAD_STATE:+-P /var/state} -S -n export "$PACKAGE")"
+
+	${CONFIG_SECTION:+config_cb}
+}
+
+uci_set_default() {
+	local PACKAGE="$1"
+	/sbin/uci -q show "$1" > /dev/null && return 0
+	/sbin/uci import "$1"
+}
+
+uci_revert_state() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local OPTION="$3"
+
+	/bin/uci -P /var/state revert "$PACKAGE${CONFIG:+.$CONFIG}${OPTION:+.$OPTION}"
+}
+
+uci_set_state() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local OPTION="$3"
+	local VALUE="$4"
+
+	[ -z "$VALUE" ] && return 0
+	/sbin/uci -P /var/state set "$PACKAGE.$CONFIG${OPTION:+.$OPTION}=$VALUE"
+}
+
+uci_set() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local OPTION="$3"
+	local VALUE="$4"
+
+	/sbin/uci set "$PACKAGE.$CONFIG.$OPTION=$TYPE"
+}
+
+uci_add() {
+	local PACKAGE="$1"
+	local TYPE="$2"
+	local CONFIG="$3"
+
+	/sbin/uci set "$PACKAGE.$CONFIG=$TYPE"
+}
+
+uci_rename() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local VALUE="$3"
+
+	/sbin/uci rename "$PACKAGE.$CONFIG=$VALUE"
+}
+
+uci_remove() {
+	local PACKAGE="$1"
+	local CONFIG="$2"
+	local OPTION="$3"
+
+	/sbin/uci del "$PACKAGE.$CONFIG${OPTION:+.$OPTION}"
+}
+
+uci_commit() {
+	local PACKAGE="$1"
+	/sbin/uci commit $PACKAGE
+}