build: introduce luci-base

Merges libs/core, libs/ipkg, libs/web, libs/sys, libs/sgi-cgi, libs/sgi-uhttpd,
modules/admin-core, themes/base and protcols/core into modules/base and renames
luci-lib-core to luci-base.

47 files changed, 1585 insertions, 0 deletions

diff --git a/modules/base/htdocs/cgi-bin/luci b/modules/base/htdocs/cgi-bin/luci
new file mode 100755
index 0000000000..529d1d0bc5
--- /dev/null
+++ b/modules/base/htdocs/cgi-bin/luci
@@ -0,0 +1,5 @@
+#!/usr/bin/lua
+require "luci.cacheloader"
+require "luci.sgi.cgi"
+luci.dispatcher.indexcache = "/tmp/luci-indexcache"
+luci.sgi.cgi.run()
\ No newline at end of file
diff --git a/modules/base/htdocs/luci-static/resources/cbi.js b/modules/base/htdocs/luci-static/resources/cbi.js
new file mode 100644
index 0000000000..02814a5428
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi.js
@@ -0,0 +1,1339 @@
+/*
+	LuCI - Lua Configuration Interface
+
+	Copyright 2008 Steven Barth <steven@midlink.org>
+	Copyright 2008-2012 Jo-Philipp Wich <xm@subsignal.org>
+
+	Licensed under the Apache License, Version 2.0 (the "License");
+	you may not use this file except in compliance with the License.
+	You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+*/
+
+var cbi_d = [];
+var cbi_t = [];
+var cbi_c = [];
+
+var cbi_validators = {
+
+	'integer': function()
+	{
+		return (this.match(/^-?[0-9]+$/) != null);
+	},
+
+	'uinteger': function()
+	{
+		return (cbi_validators.integer.apply(this) && (this >= 0));
+	},
+
+	'float': function()
+	{
+		return !isNaN(parseFloat(this));
+	},
+
+	'ufloat': function()
+	{
+		return (cbi_validators['float'].apply(this) && (this >= 0));
+	},
+
+	'ipaddr': function()
+	{
+		return cbi_validators.ip4addr.apply(this) ||
+			cbi_validators.ip6addr.apply(this);
+	},
+
+	'ip4addr': function()
+	{
+		if (this.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})(\/(\S+))?$/))
+		{
+			return (RegExp.$1 >= 0) && (RegExp.$1 <= 255) &&
+			       (RegExp.$2 >= 0) && (RegExp.$2 <= 255) &&
+			       (RegExp.$3 >= 0) && (RegExp.$3 <= 255) &&
+			       (RegExp.$4 >= 0) && (RegExp.$4 <= 255) &&
+			       ((RegExp.$6.indexOf('.') < 0)
+			          ? ((RegExp.$6 >= 0) && (RegExp.$6 <= 32))
+			          : (cbi_validators.ip4addr.apply(RegExp.$6)))
+			;
+		}
+
+		return false;
+	},
+
+	'ip6addr': function()
+	{
+		if( this.match(/^([a-fA-F0-9:.]+)(\/(\d+))?$/) )
+		{
+			if( !RegExp.$2 || ((RegExp.$3 >= 0) && (RegExp.$3 <= 128)) )
+			{
+				var addr = RegExp.$1;
+
+				if( addr == '::' )
+				{
+					return true;
+				}
+
+				if( addr.indexOf('.') > 0 )
+				{
+					var off = addr.lastIndexOf(':');
+
+					if( !(off && cbi_validators.ip4addr.apply(addr.substr(off+1))) )
+						return false;
+
+					addr = addr.substr(0, off) + ':0:0';
+				}
+
+				if( addr.indexOf('::') >= 0 )
+				{
+					var colons = 0;
+					var fill = '0';
+
+					for( var i = 1; i < (addr.length-1); i++ )
+						if( addr.charAt(i) == ':' )
+							colons++;
+
+					if( colons > 7 )
+						return false;
+
+					for( var i = 0; i < (7 - colons); i++ )
+						fill += ':0';
+
+					if (addr.match(/^(.*?)::(.*?)$/))
+						addr = (RegExp.$1 ? RegExp.$1 + ':' : '') + fill +
+						       (RegExp.$2 ? ':' + RegExp.$2 : '');
+				}
+
+				return (addr.match(/^(?:[a-fA-F0-9]{1,4}:){7}[a-fA-F0-9]{1,4}$/) != null);
+			}
+		}
+
+		return false;
+	},
+
+	'port': function()
+	{
+		return cbi_validators.integer.apply(this) &&
+			(this >= 0) && (this <= 65535);
+	},
+
+	'portrange': function()
+	{
+		if (this.match(/^(\d+)-(\d+)$/))
+		{
+			var p1 = RegExp.$1;
+			var p2 = RegExp.$2;
+
+			return cbi_validators.port.apply(p1) &&
+			       cbi_validators.port.apply(p2) &&
+			       (parseInt(p1) <= parseInt(p2))
+			;
+		}
+		else
+		{
+			return cbi_validators.port.apply(this);
+		}
+	},
+
+	'macaddr': function()
+	{
+		return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
+	},
+
+	'host': function()
+	{
+		return cbi_validators.hostname.apply(this) ||
+			cbi_validators.ipaddr.apply(this);
+	},
+
+	'hostname': function()
+	{
+		if (this.length <= 253)
+			return (this.match(/^[a-zA-Z0-9]+$/) != null ||
+			        (this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
+			         this.match(/[^0-9.]/)));
+
+		return false;
+	},
+
+	'network': function()
+	{
+		return cbi_validators.uciname.apply(this) ||
+			cbi_validators.host.apply(this);
+	},
+
+	'wpakey': function()
+	{
+		var v = this;
+
+		if( v.length == 64 )
+			return (v.match(/^[a-fA-F0-9]{64}$/) != null);
+		else
+			return (v.length >= 8) && (v.length <= 63);
+	},
+
+	'wepkey': function()
+	{
+		var v = this;
+
+		if ( v.substr(0,2) == 's:' )
+			v = v.substr(2);
+
+		if( (v.length == 10) || (v.length == 26) )
+			return (v.match(/^[a-fA-F0-9]{10,26}$/) != null);
+		else
+			return (v.length == 5) || (v.length == 13);
+	},
+
+	'uciname': function()
+	{
+		return (this.match(/^[a-zA-Z0-9_]+$/) != null);
+	},
+
+	'range': function(min, max)
+	{
+		var val = parseFloat(this);
+		if (!isNaN(min) && !isNaN(max) && !isNaN(val))
+			return ((val >= min) && (val <= max));
+
+		return false;
+	},
+
+	'min': function(min)
+	{
+		var val = parseFloat(this);
+		if (!isNaN(min) && !isNaN(val))
+			return (val >= min);
+
+		return false;
+	},
+
+	'max': function(max)
+	{
+		var val = parseFloat(this);
+		if (!isNaN(max) && !isNaN(val))
+			return (val <= max);
+
+		return false;
+	},
+
+	'rangelength': function(min, max)
+	{
+		var val = '' + this;
+		if (!isNaN(min) && !isNaN(max))
+			return ((val.length >= min) && (val.length <= max));
+
+		return false;
+	},
+
+	'minlength': function(min)
+	{
+		var val = '' + this;
+		if (!isNaN(min))
+			return (val.length >= min);
+
+		return false;
+	},
+
+	'maxlength': function(max)
+	{
+		var val = '' + this;
+		if (!isNaN(max))
+			return (val.length <= max);
+
+		return false;
+	},
+
+	'or': function()
+	{
+		for (var i = 0; i < arguments.length; i += 2)
+		{
+			if (typeof arguments[i] != 'function')
+			{
+				if (arguments[i] == this)
+					return true;
+				i--;
+			}
+			else if (arguments[i].apply(this, arguments[i+1]))
+			{
+				return true;
+			}
+		}
+		return false;
+	},
+
+	'and': function()
+	{
+		for (var i = 0; i < arguments.length; i += 2)
+		{
+			if (typeof arguments[i] != 'function')
+			{
+				if (arguments[i] != this)
+					return false;
+				i--;
+			}
+			else if (!arguments[i].apply(this, arguments[i+1]))
+			{
+				return false;
+			}
+		}
+		return true;
+	},
+
+	'neg': function()
+	{
+		return cbi_validators.or.apply(
+			this.replace(/^[ \t]*![ \t]*/, ''), arguments);
+	},
+
+	'list': function(subvalidator, subargs)
+	{
+		if (typeof subvalidator != 'function')
+			return false;
+
+		var tokens = this.match(/[^ \t]+/g);
+		for (var i = 0; i < tokens.length; i++)
+			if (!subvalidator.apply(tokens[i], subargs))
+				return false;
+
+		return true;
+	},
+	'phonedigit': function()
+	{
+		return (this.match(/^[0-9\*#!\.]+$/) != null);
+	}
+};
+
+
+function cbi_d_add(field, dep, next) {
+	var obj = document.getElementById(field);
+	if (obj) {
+		var entry
+		for (var i=0; i<cbi_d.length; i++) {
+			if (cbi_d[i].id == field) {
+				entry = cbi_d[i];
+				break;
+			}
+		}
+		if (!entry) {
+			entry = {
+				"node": obj,
+				"id": field,
+				"parent": obj.parentNode.id,
+				"next": next,
+				"deps": []
+			};
+			cbi_d.unshift(entry);
+		}
+		entry.deps.push(dep)
+	}
+}
+
+function cbi_d_checkvalue(target, ref) {
+	var t = document.getElementById(target);
+	var value;
+
+	if (!t) {
+		var tl = document.getElementsByName(target);
+
+		if( tl.length > 0 && (tl[0].type == 'radio' || tl[0].type == 'checkbox'))
+			for( var i = 0; i < tl.length; i++ )
+				if( tl[i].checked ) {
+					value = tl[i].value;
+					break;
+				}
+
+		value = value ? value : "";
+	} else if (!t.value) {
+		value = "";
+	} else {
+		value = t.value;
+
+		if (t.type == "checkbox") {
+			value = t.checked ? value : "";
+		}
+	}
+
+	return (value == ref)
+}
+
+function cbi_d_check(deps) {
+	var reverse;
+	var def = false;
+	for (var i=0; i<deps.length; i++) {
+		var istat = true;
+		reverse = false;
+		for (var j in deps[i]) {
+			if (j == "!reverse") {
+				reverse = true;
+			} else if (j == "!default") {
+				def = true;
+				istat = false;
+			} else {
+				istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
+			}
+		}
+		if (istat) {
+			return !reverse;
+		}
+	}
+	return def;
+}
+
+function cbi_d_update() {
+	var state = false;
+	for (var i=0; i<cbi_d.length; i++) {
+		var entry = cbi_d[i];
+		var next  = document.getElementById(entry.next)
+		var node  = document.getElementById(entry.id)
+		var parent = document.getElementById(entry.parent)
+
+		if (node && node.parentNode && !cbi_d_check(entry.deps)) {
+			node.parentNode.removeChild(node);
+			state = true;
+			if( entry.parent )
+				cbi_c[entry.parent]--;
+		} else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
+			if (!next) {
+				parent.appendChild(entry.node);
+			} else {
+				next.parentNode.insertBefore(entry.node, next);
+			}
+			state = true;
+			if( entry.parent )
+				cbi_c[entry.parent]++;
+		}
+	}
+
+	if (entry && entry.parent) {
+		if (!cbi_t_update())
+			cbi_tag_last(parent);
+	}
+
+	if (state) {
+		cbi_d_update();
+	}
+}
+
+function cbi_bind(obj, type, callback, mode) {
+	if (!obj.addEventListener) {
+		obj.attachEvent('on' + type,
+			function(){
+				var e = window.event;
+
+				if (!e.target && e.srcElement)
+					e.target = e.srcElement;
+
+				return !!callback(e);
+			}
+		);
+	} else {
+		obj.addEventListener(type, callback, !!mode);
+	}
+	return obj;
+}
+
+function cbi_combobox(id, values, def, man) {
+	var selid = "cbi.combobox." + id;
+	if (document.getElementById(selid)) {
+		return
+	}
+
+	var obj = document.getElementById(id)
+	var sel = document.createElement("select");
+		sel.id = selid;
+		sel.className = obj.className.replace(/cbi-input-text/, 'cbi-input-select');
+
+	if (obj.nextSibling) {
+		obj.parentNode.insertBefore(sel, obj.nextSibling);
+	} else {
+		obj.parentNode.appendChild(sel);
+	}
+
+	var dt = obj.getAttribute('cbi_datatype');
+	var op = obj.getAttribute('cbi_optional');
+
+	if (dt)
+		cbi_validate_field(sel, op == 'true', dt);
+
+	if (!values[obj.value]) {
+		if (obj.value == "") {
+			var optdef = document.createElement("option");
+			optdef.value = "";
+			optdef.appendChild(document.createTextNode(def));
+			sel.appendChild(optdef);
+		} else {
+			var opt = document.createElement("option");
+			opt.value = obj.value;
+			opt.selected = "selected";
+			opt.appendChild(document.createTextNode(obj.value));
+			sel.appendChild(opt);
+		}
+	}
+
+	for (var i in values) {
+		var opt = document.createElement("option");
+		opt.value = i;
+
+		if (obj.value == i) {
+			opt.selected = "selected";
+		}
+
+		opt.appendChild(document.createTextNode(values[i]));
+		sel.appendChild(opt);
+	}
+
+	var optman = document.createElement("option");
+	optman.value = "";
+	optman.appendChild(document.createTextNode(man));
+	sel.appendChild(optman);
+
+	obj.style.display = "none";
+
+	cbi_bind(sel, "change", function() {
+		if (sel.selectedIndex == sel.options.length - 1) {
+			obj.style.display = "inline";
+			sel.parentNode.removeChild(sel);
+			obj.focus();
+		} else {
+			obj.value = sel.options[sel.selectedIndex].value;
+		}
+
+		try {
+			cbi_d_update();
+		} catch (e) {
+			//Do nothing
+		}
+	})
+
+	// Retrigger validation in select
+	sel.focus();
+	sel.blur();
+}
+
+function cbi_combobox_init(id, values, def, man) {
+	var obj = document.getElementById(id);
+	cbi_bind(obj, "blur", function() {
+		cbi_combobox(id, values, def, man)
+	});
+	cbi_combobox(id, values, def, man);
+}
+
+function cbi_filebrowser(id, url, defpath) {
+	var field   = document.getElementById(id);
+	var browser = window.open(
+		url + ( field.value || defpath || '' ) + '?field=' + id,
+		"luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
+	);
+
+	browser.focus();
+}
+
+function cbi_browser_init(id, respath, url, defpath)
+{
+	function cbi_browser_btnclick(e) {
+		cbi_filebrowser(id, url, defpath);
+		return false;
+	}
+
+	var field = document.getElementById(id);
+
+	var btn = document.createElement('img');
+	btn.className = 'cbi-image-button';
+	btn.src = respath + '/cbi/folder.gif';
+	field.parentNode.insertBefore(btn, field.nextSibling);
+
+	cbi_bind(btn, 'click', cbi_browser_btnclick);
+}
+
+function cbi_dynlist_init(name, respath, datatype, optional, choices)
+{
+	var input0 = document.getElementsByName(name)[0];
+	var prefix = input0.name;
+	var parent = input0.parentNode;
+	var holder = input0.placeholder;
+
+	var values;
+
+	function cbi_dynlist_redraw(focus, add, del)
+	{
+		values = [ ];
+
+		while (parent.firstChild)
+		{
+			var n = parent.firstChild;
+			var i = parseInt(n.index);
+
+			if (i != del)
+			{
+				if (n.nodeName.toLowerCase() == 'input')
+					values.push(n.value || '');
+				else if (n.nodeName.toLowerCase() == 'select')
+					values[values.length-1] = n.options[n.selectedIndex].value;
+			}
+
+			parent.removeChild(n);
+		}
+
+		if (add >= 0)
+		{
+			focus = add+1;
+			values.splice(focus, 0, '');
+		}
+		else if (values.length == 0)
+		{
+			focus = 0;
+			values.push('');
+		}
+
+		for (var i = 0; i < values.length; i++)
+		{
+			var t = document.createElement('input');
+				t.id = prefix + '.' + (i+1);
+				t.name = prefix;
+				t.value = values[i];
+				t.type = 'text';
+				t.index = i;
+				t.className = 'cbi-input-text';
+
+			if (i == 0 && holder)
+			{
+				t.placeholder = holder;
+			}
+
+			var b = document.createElement('img');
+				b.src = respath + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
+				b.className = 'cbi-image-button';
+
+			parent.appendChild(t);
+			parent.appendChild(b);
+			parent.appendChild(document.createElement('br'));
+
+			if (datatype)
+			{
+				cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
+			}
+
+			if (choices)
+			{
+				cbi_combobox_init(t.id, choices[0], '', choices[1]);
+				t.nextSibling.index = i;
+
+				cbi_bind(t.nextSibling, 'keydown',  cbi_dynlist_keydown);
+				cbi_bind(t.nextSibling, 'keypress', cbi_dynlist_keypress);
+
+				if (i == focus || -i == focus)
+					t.nextSibling.focus();
+			}
+			else
+			{
+				cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
+				cbi_bind(t, 'keypress', cbi_dynlist_keypress);
+
+				if (i == focus)
+				{
+					t.focus();
+				}
+				else if (-i == focus)
+				{
+					t.focus();
+
+					/* force cursor to end */
+					var v = t.value;
+					t.value = ' '
+					t.value = v;
+				}
+			}
+
+			cbi_bind(b, 'click', cbi_dynlist_btnclick);
+		}
+	}
+
+	function cbi_dynlist_keypress(ev)
+	{
+		ev = ev ? ev : window.event;
+
+		var se = ev.target ? ev.target : ev.srcElement;
+
+		if (se.nodeType == 3)
+			se = se.parentNode;
+
+		switch (ev.keyCode)
+		{
+			/* backspace, delete */
+			case 8:
+			case 46:
+				if (se.value.length == 0)
+				{
+					if (ev.preventDefault)
+						ev.preventDefault();
+
+					return false;
+				}
+
+				return true;
+
+			/* enter, arrow up, arrow down */
+			case 13:
+			case 38:
+			case 40:
+				if (ev.preventDefault)
+					ev.preventDefault();
+
+				return false;
+		}
+
+		return true;
+	}
+
+	function cbi_dynlist_keydown(ev)
+	{
+		ev = ev ? ev : window.event;
+
+		var se = ev.target ? ev.target : ev.srcElement;
+
+		if (se.nodeType == 3)
+			se = se.parentNode;
+
+		var prev = se.previousSibling;
+		while (prev && prev.name != name)
+			prev = prev.previousSibling;
+
+		var next = se.nextSibling;
+		while (next && next.name != name)
+			next = next.nextSibling;
+
+		/* advance one further in combobox case */
+		if (next && next.nextSibling.name == name)
+			next = next.nextSibling;
+
+		switch (ev.keyCode)
+		{
+			/* backspace, delete */
+			case 8:
+			case 46:
+				var del = (se.nodeName.toLowerCase() == 'select')
+					? true : (se.value.length == 0);
+
+				if (del)
+				{
+					if (ev.preventDefault)
+						ev.preventDefault();
+
+					var focus = se.index;
+					if (ev.keyCode == 8)
+						focus = -focus+1;
+
+					cbi_dynlist_redraw(focus, -1, se.index);
+
+					return false;
+				}
+
+				break;
+
+			/* enter */
+			case 13:
+				cbi_dynlist_redraw(-1, se.index, -1);
+				break;
+
+			/* arrow up */
+			case 38:
+				if (prev)
+					prev.focus();
+
+				break;
+
+			/* arrow down */
+			case 40:
+				if (next)
+					next.focus();
+
+				break;
+		}
+
+		return true;
+	}
+
+	function cbi_dynlist_btnclick(ev)
+	{
+		ev = ev ? ev : window.event;
+
+		var se = ev.target ? ev.target : ev.srcElement;
+
+		if (se.src.indexOf('remove') > -1)
+		{
+			se.previousSibling.value = '';
+
+			cbi_dynlist_keydown({
+				target:  se.previousSibling,
+				keyCode: 8
+			});
+		}
+		else
+		{
+			cbi_dynlist_keydown({
+				target:  se.previousSibling,
+				keyCode: 13
+			});
+		}
+
+		return false;
+	}
+
+	cbi_dynlist_redraw(NaN, -1, -1);
+}
+
+//Hijacks the CBI form to send via XHR (requires Prototype)
+function cbi_hijack_forms(layer, win, fail, load) {
+	var forms = layer.getElementsByTagName('form');
+	for (var i=0; i<forms.length; i++) {
+		$(forms[i]).observe('submit', function(event) {
+			// Prevent the form from also submitting the regular way
+			event.stop();
+
+			// Submit via XHR
+			event.element().request({
+				onSuccess: win,
+				onFailure: fail
+			});
+
+			if (load) {
+				load();
+			}
+		});
+	}
+}
+
+
+function cbi_t_add(section, tab) {
+	var t = document.getElementById('tab.' + section + '.' + tab);
+	var c = document.getElementById('container.' + section + '.' + tab);
+
+	if( t && c ) {
+		cbi_t[section] = (cbi_t[section] || [ ]);
+		cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
+	}
+}
+
+function cbi_t_switch(section, tab) {
+	if( cbi_t[section] && cbi_t[section][tab] ) {
+		var o = cbi_t[section][tab];
+		var h = document.getElementById('tab.' + section);
+		for( var tid in cbi_t[section] ) {
+			var o2 = cbi_t[section][tid];
+			if( o.tab.id != o2.tab.id ) {
+				o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
+				o2.container.style.display = 'none';
+			}
+			else {
+				if(h) h.value = tab;
+				o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
+				o2.container.style.display = 'block';
+			}
+		}
+	}
+	return false
+}
+
+function cbi_t_update() {
+	var hl_tabs = [ ];
+	var updated = false;
+
+	for( var sid in cbi_t )
+		for( var tid in cbi_t[sid] )
+		{
+			if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
+				cbi_t[sid][tid].tab.style.display = 'none';
+			}
+			else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
+				cbi_t[sid][tid].tab.style.display = '';
+
+				var t = cbi_t[sid][tid].tab;
+				t.className += ' cbi-tab-highlighted';
+				hl_tabs.push(t);
+			}
+
+			cbi_tag_last(cbi_t[sid][tid].container);
+			updated = true;
+		}
+
+	if( hl_tabs.length > 0 )
+		window.setTimeout(function() {
+			for( var i = 0; i < hl_tabs.length; i++ )
+				hl_tabs[i].className = hl_tabs[i].className.replace(/ cbi-tab-highlighted/g, '');
+		}, 750);
+
+	return updated;
+}
+
+
+function cbi_validate_form(form, errmsg)
+{
+	/* if triggered by a section removal or addition, don't validate */
+	if( form.cbi_state == 'add-section' || form.cbi_state == 'del-section' )
+		return true;
+
+	if( form.cbi_validators )
+	{
+		for( var i = 0; i < form.cbi_validators.length; i++ )
+		{
+			var validator = form.cbi_validators[i];
+			if( !validator() && errmsg )
+			{
+				alert(errmsg);
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+function cbi_validate_reset(form)
+{
+	window.setTimeout(
+		function() { cbi_validate_form(form, null) }, 100
+	);
+
+	return true;
+}
+
+function cbi_validate_compile(code)
+{
+	var pos = 0;
+	var esc = false;
+	var depth = 0;
+	var stack = [ ];
+
+	code += ',';
+
+	for (var i = 0; i < code.length; i++)
+	{
+		if (esc)
+		{
+			esc = false;
+			continue;
+		}
+
+		switch (code.charCodeAt(i))
+		{
+		case 92:
+			esc = true;
+			break;
+
+		case 40:
+		case 44:
+			if (depth <= 0)
+			{
+				if (pos < i)
+				{
+					var label = code.substring(pos, i);
+						label = label.replace(/\\(.)/g, '$1');
+						label = label.replace(/^[ \t]+/g, '');
+						label = label.replace(/[ \t]+$/g, '');
+
+					if (label && !isNaN(label))
+					{
+						stack.push(parseFloat(label));
+					}
+					else if (label.match(/^(['"]).*\1$/))
+					{
+						stack.push(label.replace(/^(['"])(.*)\1$/, '$2'));
+					}
+					else if (typeof cbi_validators[label] == 'function')
+					{
+						stack.push(cbi_validators[label]);
+						stack.push(null);
+					}
+					else
+					{
+						throw "Syntax error, unhandled token '"+label+"'";
+					}
+				}
+				pos = i+1;
+			}
+			depth += (code.charCodeAt(i) == 40);
+			break;
+
+		case 41:
+			if (--depth <= 0)
+			{
+				if (typeof stack[stack.length-2] != 'function')
+					throw "Syntax error, argument list follows non-function";
+
+				stack[stack.length-1] =
+					arguments.callee(code.substring(pos, i));
+
+				pos = i+1;
+			}
+			break;
+		}
+	}
+
+	return stack;
+}
+
+function cbi_validate_field(cbid, optional, type)
+{
+	var field = (typeof cbid == "string") ? document.getElementById(cbid) : cbid;
+	var vstack; try { vstack = cbi_validate_compile(type); } catch(e) { };
+
+	if (field && vstack && typeof vstack[0] == "function")
+	{
+		var validator = function()
+		{
+			// is not detached
+			if( field.form )
+			{
+				field.className = field.className.replace(/ cbi-input-invalid/g, '');
+
+				// validate value
+				var value = (field.options && field.options.selectedIndex > -1)
+					? field.options[field.options.selectedIndex].value : field.value;
+
+				if (!(((value.length == 0) && optional) || vstack[0].apply(value, vstack[1])))
+				{
+					// invalid
+					field.className += ' cbi-input-invalid';
+					return false;
+				}
+			}
+
+			return true;
+		};
+
+		if( ! field.form.cbi_validators )
+			field.form.cbi_validators = [ ];
+
+		field.form.cbi_validators.push(validator);
+
+		cbi_bind(field, "blur",  validator);
+		cbi_bind(field, "keyup", validator);
+
+		if (field.nodeName == 'SELECT')
+		{
+			cbi_bind(field, "change", validator);
+			cbi_bind(field, "click",  validator);
+		}
+
+		field.setAttribute("cbi_validate", validator);
+		field.setAttribute("cbi_datatype", type);
+		field.setAttribute("cbi_optional", (!!optional).toString());
+
+		validator();
+
+		var fcbox = document.getElementById('cbi.combobox.' + field.id);
+		if (fcbox)
+			cbi_validate_field(fcbox, optional, type);
+	}
+}
+
+function cbi_row_swap(elem, up, store)
+{
+	var tr = elem.parentNode;
+	while (tr && tr.nodeName.toLowerCase() != 'tr')
+		tr = tr.parentNode;
+
+	if (!tr)
+		return false;
+
+	var table = tr.parentNode;
+	while (table && table.nodeName.toLowerCase() != 'table')
+		table = table.parentNode;
+
+	if (!table)
+		return false;
+
+	var s = up ? 3 : 2;
+	var e = up ? table.rows.length : table.rows.length - 1;
+
+	for (var idx = s; idx < e; idx++)
+	{
+		if (table.rows[idx] == tr)
+		{
+			if (up)
+				tr.parentNode.insertBefore(table.rows[idx], table.rows[idx-1]);
+			else
+				tr.parentNode.insertBefore(table.rows[idx+1], table.rows[idx]);
+
+			break;
+		}
+	}
+
+	var ids = [ ];
+	for (idx = 2; idx < table.rows.length; idx++)
+	{
+		table.rows[idx].className = table.rows[idx].className.replace(
+			/cbi-rowstyle-[12]/, 'cbi-rowstyle-' + (1 + (idx % 2))
+		);
+
+		if (table.rows[idx].id && table.rows[idx].id.match(/-([^\-]+)$/) )
+			ids.push(RegExp.$1);
+	}
+
+	var input = document.getElementById(store);
+	if (input)
+		input.value = ids.join(' ');
+
+	return false;
+}
+
+function cbi_tag_last(container)
+{
+	var last;
+
+	for (var i = 0; i < container.childNodes.length; i++)
+	{
+		var c = container.childNodes[i];
+		if (c.nodeType == 1 && c.nodeName.toLowerCase() == 'div')
+		{
+			c.className = c.className.replace(/ cbi-value-last$/, '');
+			last = c;
+		}
+	}
+
+	if (last)
+	{
+		last.className += ' cbi-value-last';
+	}
+}
+
+String.prototype.serialize = function()
+{
+	var o = this;
+	switch(typeof(o))
+	{
+		case 'object':
+			// null
+			if( o == null )
+			{
+				return 'null';
+			}
+
+			// array
+			else if( o.length )
+			{
+				var i, s = '';
+
+				for( var i = 0; i < o.length; i++ )
+					s += (s ? ', ' : '') + String.serialize(o[i]);
+
+				return '[ ' + s + ' ]';
+			}
+
+			// object
+			else
+			{
+				var k, s = '';
+
+				for( k in o )
+					s += (s ? ', ' : '') + k + ': ' + String.serialize(o[k]);
+
+				return '{ ' + s + ' }';
+			}
+
+			break;
+
+		case 'string':
+			// complex string
+			if( o.match(/[^a-zA-Z0-9_,.: -]/) )
+				return 'decodeURIComponent("' + encodeURIComponent(o) + '")';
+
+			// simple string
+			else
+				return '"' + o + '"';
+
+			break;
+
+		default:
+			return o.toString();
+	}
+}
+
+String.prototype.format = function()
+{
+	if (!RegExp)
+		return;
+
+	var html_esc = [/&/g, '&#38;', /"/g, '&#34;', /'/g, '&#39;', /</g, '&#60;', />/g, '&#62;'];
+	var quot_esc = [/"/g, '&#34;', /'/g, '&#39;'];
+
+	function esc(s, r) {
+		for( var i = 0; i < r.length; i += 2 )
+			s = s.replace(r[i], r[i+1]);
+		return s;
+	}
+
+	var str = this;
+	var out = '';
+	var re = /^(([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X|q|h|j|t|m))/;
+	var a = b = [], numSubstitutions = 0, numMatches = 0;
+
+	while( a = re.exec(str) )
+	{
+		var m = a[1];
+		var leftpart = a[2], pPad = a[3], pJustify = a[4], pMinLength = a[5];
+		var pPrecision = a[6], pType = a[7];
+
+		numMatches++;
+
+		if (pType == '%')
+		{
+			subst = '%';
+		}
+		else
+		{
+			if (numSubstitutions < arguments.length)
+			{
+				var param = arguments[numSubstitutions++];
+
+				var pad = '';
+				if (pPad && pPad.substr(0,1) == "'")
+					pad = leftpart.substr(1,1);
+				else if (pPad)
+					pad = pPad;
+
+				var justifyRight = true;
+				if (pJustify && pJustify === "-")
+					justifyRight = false;
+
+				var minLength = -1;
+				if (pMinLength)
+					minLength = parseInt(pMinLength);
+
+				var precision = -1;
+				if (pPrecision && pType == 'f')
+					precision = parseInt(pPrecision.substring(1));
+
+				var subst = param;
+
+				switch(pType)
+				{
+					case 'b':
+						subst = (parseInt(param) || 0).toString(2);
+						break;
+
+					case 'c':
+						subst = String.fromCharCode(parseInt(param) || 0);
+						break;
+
+					case 'd':
+						subst = (parseInt(param) || 0);
+						break;
+
+					case 'u':
+						subst = Math.abs(parseInt(param) || 0);
+						break;
+
+					case 'f':
+						subst = (precision > -1)
+							? ((parseFloat(param) || 0.0)).toFixed(precision)
+							: (parseFloat(param) || 0.0);
+						break;
+
+					case 'o':
+						subst = (parseInt(param) || 0).toString(8);
+						break;
+
+					case 's':
+						subst = param;
+						break;
+
+					case 'x':
+						subst = ('' + (parseInt(param) || 0).toString(16)).toLowerCase();
+						break;
+
+					case 'X':
+						subst = ('' + (parseInt(param) || 0).toString(16)).toUpperCase();
+						break;
+
+					case 'h':
+						subst = esc(param, html_esc);
+						break;
+
+					case 'q':
+						subst = esc(param, quot_esc);
+						break;
+
+					case 'j':
+						subst = String.serialize(param);
+						break;
+
+					case 't':
+						var td = 0;
+						var th = 0;
+						var tm = 0;
+						var ts = (param || 0);
+
+						if (ts > 60) {
+							tm = Math.floor(ts / 60);
+							ts = (ts % 60);
+						}
+
+						if (tm > 60) {
+							th = Math.floor(tm / 60);
+							tm = (tm % 60);
+						}
+
+						if (th > 24) {
+							td = Math.floor(th / 24);
+							th = (th % 24);
+						}
+
+						subst = (td > 0)
+							? String.format('%dd %dh %dm %ds', td, th, tm, ts)
+							: String.format('%dh %dm %ds', th, tm, ts);
+
+						break;
+
+					case 'm':
+						var mf = pMinLength ? parseInt(pMinLength) : 1000;
+						var pr = pPrecision ? Math.floor(10*parseFloat('0'+pPrecision)) : 2;
+
+						var i = 0;
+						var val = parseFloat(param || 0);
+						var units = [ '', 'K', 'M', 'G', 'T', 'P', 'E' ];
+
+						for (i = 0; (i < units.length) && (val > mf); i++)
+							val /= mf;
+
+						subst = val.toFixed(pr) + ' ' + units[i];
+						break;
+				}
+			}
+		}
+
+		out += leftpart + subst;
+		str = str.substr(m.length);
+	}
+
+	return out + str;
+}
+
+String.prototype.nobr = function()
+{
+	return this.replace(/[\s\n]+/g, '&#160;');
+}
+
+String.serialize = function()
+{
+	var a = [ ];
+	for (var i = 1; i < arguments.length; i++)
+		a.push(arguments[i]);
+	return ''.serialize.apply(arguments[0], a);
+}
+
+String.format = function()
+{
+	var a = [ ];
+	for (var i = 1; i < arguments.length; i++)
+		a.push(arguments[i]);
+	return ''.format.apply(arguments[0], a);
+}
+
+String.nobr = function()
+{
+	var a = [ ];
+	for (var i = 1; i < arguments.length; i++)
+		a.push(arguments[i]);
+	return ''.nobr.apply(arguments[0], a);
+}
diff --git a/modules/base/htdocs/luci-static/resources/cbi/add.gif b/modules/base/htdocs/luci-static/resources/cbi/add.gif
new file mode 100644
index 0000000000..0888abf85e
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/add.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/apply.gif b/modules/base/htdocs/luci-static/resources/cbi/apply.gif
new file mode 100644
index 0000000000..82ae7ed821
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/apply.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/arrow.gif b/modules/base/htdocs/luci-static/resources/cbi/arrow.gif
new file mode 100644
index 0000000000..10d797e9b0
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/arrow.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/down.gif b/modules/base/htdocs/luci-static/resources/cbi/down.gif
new file mode 100644
index 0000000000..f0bb6a4ea6
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/down.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/download.gif b/modules/base/htdocs/luci-static/resources/cbi/download.gif
new file mode 100644
index 0000000000..f99a5383b2
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/download.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/edit.gif b/modules/base/htdocs/luci-static/resources/cbi/edit.gif
new file mode 100644
index 0000000000..7b02b6e72a
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/edit.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/fieldadd.gif b/modules/base/htdocs/luci-static/resources/cbi/fieldadd.gif
new file mode 100644
index 0000000000..431ff64d1f
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/fieldadd.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/file.gif b/modules/base/htdocs/luci-static/resources/cbi/file.gif
new file mode 100644
index 0000000000..3b1217dd65
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/file.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/find.gif b/modules/base/htdocs/luci-static/resources/cbi/find.gif
new file mode 100644
index 0000000000..9ae5e3489b
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/find.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/folder.gif b/modules/base/htdocs/luci-static/resources/cbi/folder.gif
new file mode 100644
index 0000000000..22b583bb59
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/folder.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/help.gif b/modules/base/htdocs/luci-static/resources/cbi/help.gif
new file mode 100644
index 0000000000..9dfa0e196a
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/help.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/key.gif b/modules/base/htdocs/luci-static/resources/cbi/key.gif
new file mode 100644
index 0000000000..e3853e5afd
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/key.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/link.gif b/modules/base/htdocs/luci-static/resources/cbi/link.gif
new file mode 100644
index 0000000000..f0bb78da6b
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/link.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/reload.gif b/modules/base/htdocs/luci-static/resources/cbi/reload.gif
new file mode 100644
index 0000000000..8268958a19
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/reload.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/remove.gif b/modules/base/htdocs/luci-static/resources/cbi/remove.gif
new file mode 100644
index 0000000000..bf43a0a0bc
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/remove.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/reset.gif b/modules/base/htdocs/luci-static/resources/cbi/reset.gif
new file mode 100644
index 0000000000..c941c19028
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/reset.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/save.gif b/modules/base/htdocs/luci-static/resources/cbi/save.gif
new file mode 100644
index 0000000000..35e949963e
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/save.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/up.gif b/modules/base/htdocs/luci-static/resources/cbi/up.gif
new file mode 100644
index 0000000000..e8234178ef
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/up.gif
diff --git a/modules/base/htdocs/luci-static/resources/cbi/user.gif b/modules/base/htdocs/luci-static/resources/cbi/user.gif
new file mode 100644
index 0000000000..dcb5c2a899
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/cbi/user.gif
diff --git a/modules/base/htdocs/luci-static/resources/icons/bridge.png b/modules/base/htdocs/luci-static/resources/icons/bridge.png
new file mode 100644
index 0000000000..4c163bf692
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/bridge.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/bridge_disabled.png b/modules/base/htdocs/luci-static/resources/icons/bridge_disabled.png
new file mode 100644
index 0000000000..0f367c5369
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/bridge_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/encryption.png b/modules/base/htdocs/luci-static/resources/icons/encryption.png
new file mode 100644
index 0000000000..41d2ba9ace
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/encryption.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/encryption_disabled.png b/modules/base/htdocs/luci-static/resources/icons/encryption_disabled.png
new file mode 100644
index 0000000000..f2e05a4251
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/encryption_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/ethernet.png b/modules/base/htdocs/luci-static/resources/icons/ethernet.png
new file mode 100644
index 0000000000..a02538124c
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/ethernet.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/ethernet_disabled.png b/modules/base/htdocs/luci-static/resources/icons/ethernet_disabled.png
new file mode 100644
index 0000000000..2bb02e455a
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/ethernet_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/loading.gif b/modules/base/htdocs/luci-static/resources/icons/loading.gif
new file mode 100644
index 0000000000..5bb90fd6a4
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/loading.gif
diff --git a/modules/base/htdocs/luci-static/resources/icons/port_down.png b/modules/base/htdocs/luci-static/resources/icons/port_down.png
new file mode 100644
index 0000000000..25ea172324
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/port_down.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/port_up.png b/modules/base/htdocs/luci-static/resources/icons/port_up.png
new file mode 100644
index 0000000000..e063037910
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/port_up.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/signal-0-25.png b/modules/base/htdocs/luci-static/resources/icons/signal-0-25.png
new file mode 100644
index 0000000000..2e5dff4663
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/signal-0-25.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/signal-0.png b/modules/base/htdocs/luci-static/resources/icons/signal-0.png
new file mode 100644
index 0000000000..114583a676
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/signal-0.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/signal-25-50.png b/modules/base/htdocs/luci-static/resources/icons/signal-25-50.png
new file mode 100644
index 0000000000..ee8cc4f1ce
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/signal-25-50.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/signal-50-75.png b/modules/base/htdocs/luci-static/resources/icons/signal-50-75.png
new file mode 100644
index 0000000000..26bcbf715d
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/signal-50-75.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/signal-75-100.png b/modules/base/htdocs/luci-static/resources/icons/signal-75-100.png
new file mode 100644
index 0000000000..5cffaa1b84
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/signal-75-100.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/signal-none.png b/modules/base/htdocs/luci-static/resources/icons/signal-none.png
new file mode 100644
index 0000000000..b77585c0f0
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/signal-none.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/switch.png b/modules/base/htdocs/luci-static/resources/icons/switch.png
new file mode 100644
index 0000000000..5c99ba5684
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/switch.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/switch_disabled.png b/modules/base/htdocs/luci-static/resources/icons/switch_disabled.png
new file mode 100644
index 0000000000..b8c84c8dc4
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/switch_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/tunnel.png b/modules/base/htdocs/luci-static/resources/icons/tunnel.png
new file mode 100644
index 0000000000..c5a09dd685
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/tunnel.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/tunnel_disabled.png b/modules/base/htdocs/luci-static/resources/icons/tunnel_disabled.png
new file mode 100644
index 0000000000..ad9856cfec
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/tunnel_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/vlan.png b/modules/base/htdocs/luci-static/resources/icons/vlan.png
new file mode 100644
index 0000000000..5c99ba5684
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/vlan.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/vlan_disabled.png b/modules/base/htdocs/luci-static/resources/icons/vlan_disabled.png
new file mode 100644
index 0000000000..b8c84c8dc4
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/vlan_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/wifi.png b/modules/base/htdocs/luci-static/resources/icons/wifi.png
new file mode 100644
index 0000000000..528ce2b4e9
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/wifi.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/wifi_big.png b/modules/base/htdocs/luci-static/resources/icons/wifi_big.png
new file mode 100644
index 0000000000..d73a5e7401
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/wifi_big.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/wifi_big_disabled.png b/modules/base/htdocs/luci-static/resources/icons/wifi_big_disabled.png
new file mode 100644
index 0000000000..af93b37b7a
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/wifi_big_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/icons/wifi_disabled.png b/modules/base/htdocs/luci-static/resources/icons/wifi_disabled.png
new file mode 100644
index 0000000000..338a34f78c
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/icons/wifi_disabled.png
diff --git a/modules/base/htdocs/luci-static/resources/xhr.js b/modules/base/htdocs/luci-static/resources/xhr.js
new file mode 100644
index 0000000000..701c12ac19
--- /dev/null
+++ b/modules/base/htdocs/luci-static/resources/xhr.js
@@ -0,0 +1,241 @@
+/*
+ * xhr.js - XMLHttpRequest helper class
+ * (c) 2008-2010 Jo-Philipp Wich
+ */
+
+XHR = function()
+{
+	this.reinit = function()
+	{
+		if (window.XMLHttpRequest) {
+			this._xmlHttp = new XMLHttpRequest();
+		}
+		else if (window.ActiveXObject) {
+			this._xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
+		}
+		else {
+			alert("xhr.js: XMLHttpRequest is not supported by this browser!");
+		}
+	}
+
+	this.busy = function() {
+		if (!this._xmlHttp)
+			return false;
+
+		switch (this._xmlHttp.readyState)
+		{
+			case 1:
+			case 2:
+			case 3:
+				return true;
+
+			default:
+				return false;
+		}
+	}
+
+	this.abort = function() {
+		if (this.busy())
+			this._xmlHttp.abort();
+	}
+
+	this.get = function(url,data,callback)
+	{
+		this.reinit();
+
+		var xhr  = this._xmlHttp;
+		var code = this._encode(data);
+
+		url = location.protocol + '//' + location.host + url;
+
+		if (code)
+			if (url.substr(url.length-1,1) == '&')
+				url += code;
+			else
+				url += '?' + code;
+
+		xhr.open('GET', url, true);
+
+		xhr.onreadystatechange = function()
+		{
+			if (xhr.readyState == 4) {
+				var json = null;
+				if (xhr.getResponseHeader("Content-Type") == "application/json") {
+					try {
+						json = eval('(' + xhr.responseText + ')');
+					}
+					catch(e) {
+						json = null;
+					}
+				}
+
+				callback(xhr, json);
+			}
+		}
+
+		xhr.send(null);
+	}
+
+	this.post = function(url,data,callback)
+	{
+		this.reinit();
+
+		var xhr  = this._xmlHttp;
+		var code = this._encode(data);
+
+		xhr.onreadystatechange = function()
+		{
+			if (xhr.readyState == 4)
+				callback(xhr);
+		}
+
+		xhr.open('POST', url, true);
+		xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+		xhr.setRequestHeader('Content-length', code.length);
+		xhr.setRequestHeader('Connection', 'close');
+		xhr.send(code);
+	}
+
+	this.cancel = function()
+	{
+		this._xmlHttp.onreadystatechange = function(){};
+		this._xmlHttp.abort();
+	}
+
+	this.send_form = function(form,callback,extra_values)
+	{
+		var code = '';
+
+		for (var i = 0; i < form.elements.length; i++)
+		{
+			var e = form.elements[i];
+
+			if (e.options)
+			{
+				code += (code ? '&' : '') +
+					form.elements[i].name + '=' + encodeURIComponent(
+						e.options[e.selectedIndex].value
+					);
+			}
+			else if (e.length)
+			{
+				for (var j = 0; j < e.length; j++)
+					if (e[j].name) {
+						code += (code ? '&' : '') +
+							e[j].name + '=' + encodeURIComponent(e[j].value);
+					}
+			}
+			else
+			{
+				code += (code ? '&' : '') +
+					e.name + '=' + encodeURIComponent(e.value);
+			}
+		}
+
+		if (typeof extra_values == 'object')
+			for (var key in extra_values)
+				code += (code ? '&' : '') +
+					key + '=' + encodeURIComponent(extra_values[key]);
+
+		return(
+			(form.method == 'get')
+				? this.get(form.getAttribute('action'), code, callback)
+				: this.post(form.getAttribute('action'), code, callback)
+		);
+	}
+
+	this._encode = function(obj)
+	{
+		obj = obj ? obj : { };
+		obj['_'] = Math.random();
+
+		if (typeof obj == 'object')
+		{
+			var code = '';
+			var self = this;
+
+			for (var k in obj)
+				code += (code ? '&' : '') +
+					k + '=' + encodeURIComponent(obj[k]);
+
+			return code;
+		}
+
+		return obj;
+	}
+}
+
+XHR.get = function(url, data, callback)
+{
+	(new XHR()).get(url, data, callback);
+}
+
+XHR.poll = function(interval, url, data, callback)
+{
+	if (isNaN(interval) || interval < 1)
+		interval = 5;
+
+	if (!XHR._q)
+	{
+		XHR._t = 0;
+		XHR._q = [ ];
+		XHR._r = function() {
+			for (var i = 0, e = XHR._q[0]; i < XHR._q.length; e = XHR._q[++i])
+			{
+				if (!(XHR._t % e.interval) && !e.xhr.busy())
+					e.xhr.get(e.url, e.data, e.callback);
+			}
+
+			XHR._t++;
+		};
+	}
+
+	XHR._q.push({
+		interval: interval,
+		callback: callback,
+		url:      url,
+		data:     data,
+		xhr:      new XHR()
+	});
+
+	XHR.run();
+}
+
+XHR.halt = function()
+{
+	if (XHR._i)
+	{
+		/* show & set poll indicator */
+		try {
+			document.getElementById('xhr_poll_status').style.display = '';
+			document.getElementById('xhr_poll_status_on').style.display = 'none';
+			document.getElementById('xhr_poll_status_off').style.display = '';
+		} catch(e) { }
+
+		window.clearInterval(XHR._i);
+		XHR._i = null;
+	}
+}
+
+XHR.run = function()
+{
+	if (XHR._r && !XHR._i)
+	{
+		/* show & set poll indicator */
+		try {
+			document.getElementById('xhr_poll_status').style.display = '';
+			document.getElementById('xhr_poll_status_on').style.display = '';
+			document.getElementById('xhr_poll_status_off').style.display = 'none';
+		} catch(e) { }
+
+		/* kick first round manually to prevent one second lag when setting up
+		 * the poll interval */
+		XHR._r();
+		XHR._i = window.setInterval(XHR._r, 1000);
+	}
+}
+
+XHR.running = function()
+{
+	return !!(XHR._r && XHR._i);
+}