applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/zones.js

   1 'use strict';
   2 'require view';
   3 'require rpc';
   4 'require uci';
   5 'require form';
   6 'require network';
   7 'require firewall';
   8 'require tools.firewall as fwtool';
   9 'require tools.widgets as widgets';
  10
  11 return view.extend({
  12         callConntrackHelpers: rpc.declare({
  13                 object: 'luci',
  14                 method: 'getConntrackHelpers',
  15                 expect: { result: [] }
  16         }),
  17
  18         load: function() {
  19                 return Promise.all([
  20                         this.callConntrackHelpers(),
  21                         firewall.getDefaults()
  22                 ]);
  23         },
  24
  25         render: function(data) {
  26                 if (fwtool.checkLegacySNAT())
  27                         return fwtool.renderMigration();
  28                 else
  29                         return this.renderZones(data);
  30         },
  31
  32         renderZones: function(data) {
  33                 var ctHelpers = data[0],
  34                     fwDefaults = data[1],
  35                     m, s, o, inp, out;
  36
  37                 m = new form.Map('firewall', _('Firewall - Zone Settings'),
  38                         _('The firewall creates zones over your network interfaces to control network traffic flow.'));
  39
  40                 s = m.section(form.TypedSection, 'defaults', _('General Settings'));
  41                 s.anonymous = true;
  42                 s.addremove = false;
  43
  44                 o = s.option(form.Flag, 'synflood_protect', _('Enable SYN-flood protection'));
  45                 o.cfgvalue = function(section_id) {
  46                         var val = uci.get('firewall', section_id, 'synflood_protect');
  47                         return (val != null) ? val : uci.get('firewall', section_id, 'syn_flood');
  48                 };
  49                 o.write = function(section_id, value) {
  50                         uci.unset('firewall', section_id, 'syn_flood');
  51                         uci.set('firewall', section_id, 'synflood_protect', value);
  52                 };
  53                 o.remove = function(section_id) {
  54                         uci.unset('firewall', section_id, 'syn_flood');
  55                         uci.unset('firewall', section_id, 'synflood_protect');
  56                 };
  57
  58                 o = s.option(form.Flag, 'drop_invalid', _('Drop invalid packets'));
  59
  60                 var p = [
  61                         s.option(form.ListValue, 'input', _('Input')),
  62                         s.option(form.ListValue, 'output', _('Output')),
  63                         s.option(form.ListValue, 'forward', _('Forward'))
  64                 ];
  65
  66                 for (var i = 0; i < p.length; i++) {
  67                         p[i].value('REJECT', _('reject'));
  68                         p[i].value('DROP', _('drop'));
  69                         p[i].value('ACCEPT', _('accept'));
  70                 }
  71
  72                 /* Netfilter flow offload support */
  73
  74                 if (L.hasSystemFeature('offloading')) {
  75                         s = m.section(form.TypedSection, 'defaults', _('Routing/NAT Offloading'),
  76                                 _('Experimental feature. Not fully compatible with QoS/SQM.'));
  77
  78                         s.anonymous = true;
  79                         s.addremove = false;
  80
  81                         o = s.option(form.Flag, 'flow_offloading',
  82                                 _('Software flow offloading'),
  83                                 _('Software based offloading for routing/NAT'));
  84                         o.optional = true;
  85
  86                         o = s.option(form.Flag, 'flow_offloading_hw',
  87                                 _('Hardware flow offloading'),
  88                                 _('Requires hardware NAT support. Implemented at least for mt7621'));
  89                         o.optional = true;
  90                         o.depends('flow_offloading', '1');
  91                 }
  92
  93
  94                 s = m.section(form.GridSection, 'zone', _('Zones'));
  95                 s.addremove = true;
  96                 s.anonymous = true;
  97                 s.sortable  = true;
  98
  99                 s.handleRemove = function(section_id, ev) {
 100                         return firewall.deleteZone(section_id).then(L.bind(function() {
 101                                 return this.super('handleRemove', [section_id, ev]);
 102                         }, this));
 103                 };
 104
 105                 s.tab('general', _('General Settings'));
 106                 s.tab('advanced', _('Advanced Settings'));
 107                 s.tab('conntrack', _('Conntrack Settings'));
 108                 s.tab('extra', _('Extra iptables arguments'));
 109
 110                 o = s.taboption('general', form.DummyValue, '_generalinfo');
 111                 o.rawhtml = true;
 112                 o.modalonly = true;
 113                 o.cfgvalue = function(section_id) {
 114                         var name = uci.get('firewall', section_id, 'name');
 115                         if (name == null)
 116                                 name = _("this new zone");
 117                         return _('This section defines common properties of %q. The <em>input</em> and <em>output</em> options set the default policies for traffic entering and leaving this zone while the <em>forward</em> option describes the policy for forwarded traffic between different networks within the zone. <em>Covered networks</em> specifies which available networks are members of this zone.')
 118                                 .replace(/%s/g, name).replace(/%q/g, '"' + name + '"');
 119                 };
 120
 121                 o = s.taboption('general', form.Value, 'name', _('Name'));
 122                 o.placeholder = _('Unnamed zone');
 123                 o.modalonly = true;
 124                 o.rmempty = false;
 125                 o.datatype = 'and(uciname,maxlength(11))';
 126                 o.write = function(section_id, formvalue) {
 127                         var cfgvalue = this.cfgvalue(section_id);
 128
 129                         if (cfgvalue == null || cfgvalue == '')
 130                                 return uci.set('firewall', section_id, 'name', formvalue);
 131                         else if (cfgvalue != formvalue)
 132                                 return firewall.renameZone(cfgvalue, formvalue);
 133                 };
 134
 135                 o = s.option(widgets.ZoneForwards, '_info', _('Zone ⇒ Forwardings'));
 136                 o.editable = true;
 137                 o.modalonly = false;
 138                 o.cfgvalue = function(section_id) {
 139                         return uci.get('firewall', section_id, 'name');
 140                 };
 141
 142                 var p = [
 143                         s.taboption('general', form.ListValue, 'input', _('Input')),
 144                         s.taboption('general', form.ListValue, 'output', _('Output')),
 145                         s.taboption('general', form.ListValue, 'forward', _('Forward'))
 146                 ];
 147
 148                 for (var i = 0; i < p.length; i++) {
 149                         p[i].value('REJECT', _('reject'));
 150                         p[i].value('DROP', _('drop'));
 151                         p[i].value('ACCEPT', _('accept'));
 152                         p[i].editable = true;
 153                 }
 154
 155                 p[0].default = fwDefaults.getInput();
 156                 p[1].default = fwDefaults.getOutput();
 157                 p[2].default = fwDefaults.getForward();
 158
 159                 o = s.taboption('general', form.Flag, 'masq', _('Masquerading'));
 160                 o.editable = true;
 161                 o.tooltip = function(section_id) {
 162                         var masq_src = uci.get('firewall', section_id, 'masq_src')
 163                         var masq_dest = uci.get('firewall', section_id, 'masq_dest')
 164                         if (masq_src || masq_dest)
 165                                 return _('Limited masquerading enabled');
 166
 167                         return null;
 168                 };
 169
 170                 o = s.taboption('general', form.Flag, 'mtu_fix', _('MSS clamping'));
 171                 o.modalonly = true;
 172
 173                 o = s.taboption('general', widgets.NetworkSelect, 'network', _('Covered networks'));
 174                 o.modalonly = true;
 175                 o.multiple = true;
 176                 o.cfgvalue = function(section_id) {
 177                         return uci.get('firewall', section_id, 'network');
 178                 };
 179                 o.write = function(section_id, formvalue) {
 180                         var name = uci.get('firewall', section_id, 'name'),
 181                             cfgvalue = this.cfgvalue(section_id);
 182
 183                         if (typeof(cfgvalue) == 'string' && Array.isArray(formvalue) && (cfgvalue == formvalue.join(' ')))
 184                                 return;
 185
 186                         var tasks = [ firewall.getZone(name) ];
 187
 188                         if (Array.isArray(formvalue))
 189                                 for (var i = 0; i < formvalue.length; i++) {
 190                                         var netname = formvalue[i];
 191                                         tasks.push(network.getNetwork(netname).then(function(net) {
 192                                                 return net || network.addNetwork(netname, { 'proto': 'none' });
 193                                         }));
 194                                 }
 195
 196                         return Promise.all(tasks).then(function(zone_networks) {
 197                                 if (zone_networks[0]) {
 198                                         zone_networks[0].clearNetworks();
 199                                         for (var i = 1; i < zone_networks.length; i++)
 200                                                 zone_networks[0].addNetwork(zone_networks[i].getName());
 201                                 }
 202                         });
 203                 };
 204
 205                 o = s.taboption('advanced', form.DummyValue, '_advancedinfo');
 206                 o.rawhtml = true;
 207                 o.modalonly = true;
 208                 o.cfgvalue = function(section_id) {
 209                         var name = uci.get('firewall', section_id, 'name');
 210                         if (name == null)
 211                                 name = _("this new zone");
 212                         return _('The options below control the forwarding policies between this zone (%s) and other zones. <em>Destination zones</em> cover forwarded traffic <strong>originating from %q</strong>. <em>Source zones</em> match forwarded traffic from other zones <strong>targeted at %q</strong>. The forwarding rule is <em>unidirectional</em>, e.g. a forward from lan to wan does <em>not</em> imply a permission to forward from wan to lan as well.')
 213                                 .format(name);
 214                 };
 215
 216                 o = s.taboption('advanced', widgets.DeviceSelect, 'device', _('Covered devices'), _('Use this option to classify zone traffic by raw, non-<em>uci</em> managed network devices.'));
 217                 o.modalonly = true;
 218                 o.noaliases = true;
 219                 o.multiple = true;
 220
 221                 o = s.taboption('advanced', form.DynamicList, 'subnet', _('Covered subnets'), _('Use this option to classify zone traffic by source or destination subnet instead of networks or devices.'));
 222                 o.datatype = 'neg(cidr)';
 223                 o.modalonly = true;
 224                 o.multiple = true;
 225
 226                 o = s.taboption('advanced', form.ListValue, 'family', _('Restrict to address family'));
 227                 o.value('', _('IPv4 and IPv6'));
 228                 o.value('ipv4', _('IPv4 only'));
 229                 o.value('ipv6', _('IPv6 only'));
 230                 o.modalonly = true;
 231
 232                 o = s.taboption('advanced', form.DynamicList, 'masq_src', _('Restrict Masquerading to given source subnets'));
 233                 o.depends('family', '');
 234                 o.depends('family', 'ipv4');
 235                 o.datatype = 'list(neg(or(uciname,hostname,ipmask4)))';
 236                 o.placeholder = '0.0.0.0/0';
 237                 o.modalonly = true;
 238
 239                 o = s.taboption('advanced', form.DynamicList, 'masq_dest', _('Restrict Masquerading to given destination subnets'));
 240                 o.depends('family', '');
 241                 o.depends('family', 'ipv4');
 242                 o.datatype = 'list(neg(or(uciname,hostname,ipmask4)))';
 243                 o.placeholder = '0.0.0.0/0';
 244                 o.modalonly = true;
 245
 246                 o = s.taboption('conntrack', form.Flag, 'masq_allow_invalid', _('Allow "invalid" traffic'), _('Do not install extra rules to reject forwarded traffic with conntrack state <em>invalid</em>. This may be required for complex asymmetric route setups.'));
 247                 o.modalonly = true;
 248
 249                 o = s.taboption('conntrack', form.Flag, 'auto_helper', _('Automatic helper assignment'), _('Automatically assign conntrack helpers based on traffic protocol and port'));
 250                 o.default = o.enabled;
 251                 o.modalonly = true;
 252
 253                 o = s.taboption('conntrack', form.MultiValue, 'helper', _('Conntrack helpers'), _('Explicitly choses allowed connection tracking helpers for zone traffic'));
 254                 o.depends('auto_helper', '0');
 255                 o.modalonly = true;
 256                 for (var i = 0; i < ctHelpers.length; i++)
 257                         o.value(ctHelpers[i].name, '<span class="hide-close">%s (%s)</span><span class="hide-open">%s</span>'.format(ctHelpers[i].description, ctHelpers[i].name.toUpperCase(), ctHelpers[i].name.toUpperCase()));
 258
 259                 o = s.taboption('advanced', form.Flag, 'log', _('Enable logging on this zone'));
 260                 o.modalonly = true;
 261
 262                 o = s.taboption('advanced', form.Value, 'log_limit', _('Limit log messages'));
 263                 o.depends('log', '1');
 264                 o.placeholder = '10/minute';
 265                 o.modalonly = true;
 266
 267                 o = s.taboption('extra', form.DummyValue, '_extrainfo');
 268                 o.rawhtml = true;
 269                 o.modalonly = true;
 270                 o.cfgvalue = function(section_id) {
 271                         return _('Passing raw iptables arguments to source and destination traffic classification rules allows to match packets based on other criteria than interfaces or subnets. These options should be used with extreme care as invalid values could render the firewall ruleset broken, completely exposing all services.');
 272                 };
 273
 274                 o = s.taboption('extra', form.Value, 'extra_src', _('Extra source arguments'), _('Additional raw <em>iptables</em> arguments to classify zone source traffic, e.g. <code>-p tcp --sport 443</code> to only match inbound HTTPS traffic.'));
 275                 o.modalonly = true;
 276                 o.cfgvalue = function(section_id) {
 277                         return uci.get('firewall', section_id, 'extra_src') || uci.get('firewall', section_id, 'extra');
 278                 };
 279                 o.write = function(section_id, value) {
 280                         uci.unset('firewall', section_id, 'extra');
 281                         uci.set('firewall', section_id, 'extra_src', value);
 282                 };
 283
 284                 o = s.taboption('extra', form.Value, 'extra_dest', _('Extra destination arguments'), _('Additional raw <em>iptables</em> arguments to classify zone destination traffic, e.g. <code>-p tcp --dport 443</code> to only match outbound HTTPS traffic.'));
 285                 o.modalonly = true;
 286                 o.cfgvalue = function(section_id) {
 287                         return uci.get('firewall', section_id, 'extra_dest') || uci.get('firewall', section_id, 'extra_src') || uci.get('firewall', section_id, 'extra');
 288                 };
 289                 o.write = function(section_id, value) {
 290                         uci.unset('firewall', section_id, 'extra');
 291                         uci.set('firewall', section_id, 'extra_dest', value);
 292                 };
 293
 294                 o = s.taboption('general', form.DummyValue, '_forwardinfo');
 295                 o.rawhtml = true;
 296                 o.modalonly = true;
 297                 o.cfgvalue = function(section_id) {
 298                         var name = uci.get('firewall', section_id, 'name');
 299                         if (name == null)
 300                                 name = _("this new zone");
 301                         return _('The options below control the forwarding policies between this zone (%s) and other zones. <em>Destination zones</em> cover forwarded traffic <strong>originating from %q</strong>. <em>Source zones</em> match forwarded traffic from other zones <strong>targeted at %q</strong>. The forwarding rule is <em>unidirectional</em>, e.g. a forward from lan to wan does <em>not</em> imply a permission to forward from wan to lan as well.')
 302                                 .format(name);
 303                 };
 304
 305                 out = o = s.taboption('general', widgets.ZoneSelect, 'out', _('Allow forward to <em>destination zones</em>:'));
 306                 o.nocreate = true;
 307                 o.multiple = true;
 308                 o.modalonly = true;
 309                 o.filter = function(section_id, value) {
 310                         return (uci.get('firewall', section_id, 'name') != value);
 311                 };
 312                 o.cfgvalue = function(section_id) {
 313                         var out = (this.option == 'out'),
 314                             zone = this.lookupZone(uci.get('firewall', section_id, 'name')),
 315                             fwds = zone ? zone.getForwardingsBy(out ? 'src' : 'dest') : [],
 316                             value = [];
 317
 318                         for (var i = 0; i < fwds.length; i++)
 319                                 value.push(out ? fwds[i].getDestination() : fwds[i].getSource());
 320
 321                         return value;
 322                 };
 323                 o.write = o.remove = function(section_id, formvalue) {
 324                         var out = (this.option == 'out'),
 325                             zone = this.lookupZone(uci.get('firewall', section_id, 'name')),
 326                             fwds = zone ? zone.getForwardingsBy(out ? 'src' : 'dest') : [];
 327
 328                         if (formvalue == null)
 329                                 formvalue = [];
 330
 331                         if (Array.isArray(formvalue)) {
 332                                 for (var i = 0; i < fwds.length; i++) {
 333                                         var cmp = out ? fwds[i].getDestination() : fwds[i].getSource();
 334                                         if (!formvalue.filter(function(d) { return d == cmp }).length)
 335                                                 zone.deleteForwarding(fwds[i]);
 336                                 }
 337
 338                                 for (var i = 0; i < formvalue.length; i++)
 339                                         if (out)
 340                                                 zone.addForwardingTo(formvalue[i]);
 341                                         else
 342                                                 zone.addForwardingFrom(formvalue[i]);
 343                         }
 344                 };
 345
 346                 inp = o = s.taboption('general', widgets.ZoneSelect, 'in', _('Allow forward from <em>source zones</em>:'));
 347                 o.nocreate = true;
 348                 o.multiple = true;
 349                 o.modalonly = true;
 350                 o.write = o.remove = out.write;
 351                 o.filter = out.filter;
 352                 o.cfgvalue = out.cfgvalue;
 353
 354                 return m.render();
 355         }
 356 });