'use strict';'require uci';'require rpc';'require tools.prng as random';function initFirewallState(){return uci.load('firewall');}
function parseEnum(s,values){if(s==null)
return null;s=String(s).toUpperCase();if(s=='')
return null;for(var i=0;i<values.length;i++)
if(values[i].toUpperCase().indexOf(s)==0)
return values[i];return null;}
function parsePolicy(s,defaultValue){return parseEnum(s,['DROP','REJECT','ACCEPT'])||(arguments.length<2?null:defaultValue);}
var Firewall,AbstractFirewallItem,Defaults,Zone,Forwarding,Redirect,Rule;function lookupZone(name){var z=uci.get('firewall',name);if(z!=null&&z['.type']=='zone')
return new Zone(z['.name']);var sections=uci.sections('firewall','zone');for(var i=0;i<sections.length;i++){if(sections[i].name!=name)
continue;return new Zone(sections[i]['.name']);}
return null;}
function getColorForName(forName){if(forName==null)
return'#eeeeee';else if(forName=='lan')
return'#90f090';else if(forName=='wan')
return'#f09090';random.seed(parseInt(sfh(forName),16));var r=random.get(128),g=random.get(128),min=0,max=128;if((r+g)<128)
min=128-r-g;else
max=255-r-g;var b=min+Math.floor(random.get()*(max-min));return'#%02x%02x%02x'.format(0xff-r,0xff-g,0xff-b);}
Firewall=L.Class.extend({getDefaults:function(){return initFirewallState().then(function(){return new Defaults();});},newZone:function(){return initFirewallState().then(L.bind(function(){var name='newzone',count=1;while(this.getZone(name)!=null)
name='newzone%d'.format(++count);return this.addZone(name);},this));},addZone:function(name){return initFirewallState().then(L.bind(function(){if(name==null||!/^[a-zA-Z0-9_]+$/.test(name))
return null;if(lookupZone(name)!=null)
return null;var d=new Defaults(),z=uci.add('firewall','zone');uci.set('firewall',z,'name',name);uci.set('firewall',z,'network',' ');uci.set('firewall',z,'input',d.getInput()||'DROP');uci.set('firewall',z,'output',d.getOutput()||'DROP');uci.set('firewall',z,'forward',d.getForward()||'DROP');return new Zone(z);},this));},getZone:function(name){return initFirewallState().then(function(){return lookupZone(name);});},getZones:function(){return initFirewallState().then(function(){var sections=uci.sections('firewall','zone'),zones=[];for(var i=0;i<sections.length;i++)
zones.push(new Zone(sections[i]['.name']));zones.sort(function(a,b){return a.getName()>b.getName()});return zones;});},getZoneByNetwork:function(network){return initFirewallState().then(function(){var sections=uci.sections('firewall','zone');for(var i=0;i<sections.length;i++)
if(L.toArray(sections[i].network||sections[i].name).indexOf(network)!=-1)
return new Zone(sections[i]['.name']);return null;});},deleteZone:function(name){return initFirewallState().then(function(){var section=uci.get('firewall',name),found=false;if(section!=null&&section['.type']=='zone'){found=true;name=zone.name;uci.remove('firewall',zone['.name']);}
else if(name!=null){var sections=uci.sections('firewall','zone');for(var i=0;i<sections.length;i++){if(sections[i].name!=name)
continue;found=true;uci.remove('firewall',sections[i]['.name']);}}
if(found==true){sections=uci.sections('firewall');for(var i=0;i<sections.length;i++){if(sections[i]['.type']!='rule'&&sections[i]['.type']!='redirect'&&sections[i]['.type']!='forwarding')
continue;if(sections[i].src==name||sections[i].dest==name)
uci.remove('firewall',sections[i]['.name']);}}
return found;});},renameZone:function(oldName,newName){return initFirewallState().then(L.bind(function(){if(oldName==null||newName==null||!/^[a-zA-Z0-9_]+$/.test(newName))
return false;if(lookupZone(newName)!=null)
return false;var sections=uci.sections('firewall','zone'),found=false;for(var i=0;i<sections.length;i++){if(sections[i].name!=oldName)
continue;if(L.toArray(sections[i].network).length==0)
uci.set('firewall',sections[i]['.name'],'network',oldName);uci.set('firewall',sections[i]['.name'],'name',newName);found=true;}
if(found==true){sections=uci.sections('firewall');for(var i=0;i<sections.length;i++){if(sections[i]['.type']!='rule'&&sections[i]['.type']!='redirect'&&sections[i]['.type']!='forwarding')
continue;if(sections[i].src==oldName)
uci.set('firewall',sections[i]['.name'],'src',newName);if(sections[i].dest==oldName)
uci.set('firewall',sections[i]['.name'],'dest',newName);}}
return found;},this));},deleteNetwork:function(network){return this.getZones().then(L.bind(function(zones){var rv=false;for(var i=0;i<zones.length;i++)
if(zones[i].deleteNetwork(network))
rv=true;return rv;},this));},getColorForName:getColorForName});AbstractFirewallItem=L.Class.extend({get:function(option){return uci.get('firewall',this.sid,option);},set:function(option,value){return uci.set('firewall',this.sid,option,value);}});Defaults=AbstractFirewallItem.extend({__init__:function(){var sections=uci.sections('firewall','defaults');for(var i=0;i<sections.length;i++){this.sid=sections[i]['.name'];break;}
if(this.sid==null)
this.sid=uci.add('firewall','defaults');},isSynFlood:function(){return(this.get('syn_flood')=='1');},isDropInvalid:function(){return(this.get('drop_invalid')=='1');},getInput:function(){return parsePolicy(this.get('input'),'DROP');},getOutput:function(){return parsePolicy(this.get('output'),'DROP');},getForward:function(){return parsePolicy(this.get('forward'),'DROP');}});Zone=AbstractFirewallItem.extend({__init__:function(name){var section=uci.get('firewall',name);if(section!=null&&section['.type']=='zone'){this.sid=name;this.data=section;}
else if(name!=null){var sections=uci.get('firewall','zone');for(var i=0;i<sections.length;i++){if(sections[i].name!=name)
continue;this.sid=sections[i]['.name'];this.data=sections[i];break;}}},isMasquerade:function(){return(this.get('masq')=='1');},getName:function(){return this.get('name');},getNetwork:function(){return this.get('network');},getInput:function(){return parsePolicy(this.get('input'),(new Defaults()).getInput());},getOutput:function(){return parsePolicy(this.get('output'),(new Defaults()).getOutput());},getForward:function(){return parsePolicy(this.get('forward'),(new Defaults()).getForward());},addNetwork:function(network){var section=uci.get('network',network);if(section==null||section['.type']!='interface')
return false;var newNetworks=this.getNetworks();if(newNetworks.filter(function(net){return net==network}).length)
return false;newNetworks.push(network);this.set('network',newNetworks.join(' '));return true;},deleteNetwork:function(network){var oldNetworks=this.getNetworks(),newNetworks=oldNetworks.filter(function(net){return net!=network});if(newNetworks.length>0)
this.set('network',newNetworks.join(' '));else
this.set('network',' ');return(newNetworks.length<oldNetworks.length);},getNetworks:function(){return L.toArray(this.get('network')||this.get('name'));},clearNetworks:function(){this.set('network',' ');},getDevices:function(){return L.toArray(this.get('device'));},getSubnets:function(){return L.toArray(this.get('subnet'));},getForwardingsBy:function(what){var sections=uci.sections('firewall','forwarding'),forwards=[];for(var i=0;i<sections.length;i++){if(sections[i].src==null||sections[i].dest==null)
continue;if(sections[i][what]!=this.getName())
continue;forwards.push(new Forwarding(sections[i]['.name']));}
return forwards;},addForwardingTo:function(dest){var forwards=this.getForwardingsBy('src'),zone=lookupZone(dest);if(zone==null||zone.getName()==this.getName())
return null;for(var i=0;i<forwards.length;i++)
if(forwards[i].getDestination()==zone.getName())
return null;var sid=uci.add('firewall','forwarding');uci.set('firewall',sid,'src',this.getName());uci.set('firewall',sid,'dest',zone.getName());return new Forwarding(sid);},addForwardingFrom:function(src){var forwards=this.getForwardingsBy('dest'),zone=lookupZone(src);if(zone==null||zone.getName()==this.getName())
return null;for(var i=0;i<forwards.length;i++)
if(forwards[i].getSource()==zone.getName())
return null;var sid=uci.add('firewall','forwarding');uci.set('firewall',sid,'src',zone.getName());uci.set('firewall',sid,'dest',this.getName());return new Forwarding(sid);},deleteForwardingsBy:function(what){var sections=uci.sections('firewall','forwarding'),found=false;for(var i=0;i<sections.length;i++){if(sections[i].src==null||sections[i].dest==null)
continue;if(sections[i][what]!=this.getName())
continue;uci.remove('firewall',sections[i]['.name']);found=true;}
return found;},deleteForwarding:function(forwarding){if(!(forwarding instanceof Forwarding))
return false;var section=uci.get('firewall',forwarding.sid);if(!section||section['.type']!='forwarding')
return false;uci.remove('firewall',section['.name']);return true;},addRedirect:function(options){var sid=uci.add('firewall','redirect');if(options!=null&&typeof(options)=='object')
for(var key in options)
if(options.hasOwnProperty(key))
uci.set('firewall',sid,key,options[key]);uci.set('firewall',sid,'src',this.getName());return new Redirect(sid);},addRule:function(options){var sid=uci.add('firewall','rule');if(options!=null&&typeof(options)=='object')
for(var key in options)
if(options.hasOwnProperty(key))
uci.set('firewall',sid,key,options[key]);uci.set('firewall',sid,'src',this.getName());return new Redirect(sid);},getColor:function(forName){var name=(arguments.length>0?forName:this.getName());return getColorForName(name);}});Forwarding=AbstractFirewallItem.extend({__init__:function(sid){this.sid=sid;},getSource:function(){return this.get('src');},getDestination:function(){return this.get('dest');},getSourceZone:function(){return lookupZone(this.getSource());},getDestinationZone:function(){return lookupZone(this.getDestination());}});Rule=AbstractFirewallItem.extend({getSource:function(){return this.get('src');},getDestination:function(){return this.get('dest');},getSourceZone:function(){return lookupZone(this.getSource());},getDestinationZone:function(){return lookupZone(this.getDestination());}});Redirect=AbstractFirewallItem.extend({getSource:function(){return this.get('src');},getDestination:function(){return this.get('dest');},getSourceZone:function(){return lookupZone(this.getSource());},getDestinationZone:function(){return lookupZone(this.getDestination());}});return Firewall;