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

   1 'use strict';
   2 'require rpc';
   3 'require uci';
   4 'require form';
   5 'require network';
   6 'require firewall';
   7 'require tools.widgets as widgets';
   8
   9 return L.view.extend({
  10         callConntrackHelpers: rpc.declare({
  11                 object: 'luci',
  12                 method: 'getConntrackHelpers',
  13                 expect: { result: [] }
  14         }),
  15
  16         load: function() {
  17                 return Promise.all([
  18                         this.callConntrackHelpers(),
  19                         firewall.getDefaults()
  20                 ]);
  21         },
  22
  23         render: function(data) {
  24                 var ctHelpers = data[0],
  25                     fwDefaults = data[1],
  26                     m, s, o, inp, out;
  27
  28                 m = new form.Map('firewall', _('Firewall - Zone Settings'),
  29                         _('The firewall creates zones over your network interfaces to control network traffic flow.'));
  30
  31                 s = m.section(form.TypedSection, 'defaults', _('General Settings'));
  32                 s.anonymous = true;
  33                 s.addremove = false;
  34
  35                 o = s.option(form.Flag, 'syn_flood', _('Enable SYN-flood protection'));
  36                 o = s.option(form.Flag, 'drop_invalid', _('Drop invalid packets'));
  37
  38                 var p = [
  39                         s.option(form.ListValue, 'input', _('Input')),
  40                         s.option(form.ListValue, 'output', _('Output')),
  41                         s.option(form.ListValue, 'forward', _('Forward'))
  42                 ];
  43
  44                 for (var i = 0; i < p.length; i++) {
  45                         p[i].value('REJECT', _('reject'));
  46                         p[i].value('DROP', _('drop'));
  47                         p[i].value('ACCEPT', _('accept'));
  48                 }
  49
  50                 /* Netfilter flow offload support */
  51
  52                 if (L.hasSystemFeature('offloading')) {
  53                         s = m.section(form.TypedSection, 'defaults', _('Routing/NAT Offloading'),
  54                                 _('Experimental feature. Not fully compatible with QoS/SQM.'));
  55
  56                         s.anonymous = true;
  57                         s.addremove = false;
  58
  59                         o = s.option(form.Flag, 'flow_offloading',
  60                                 _('Software flow offloading'),
  61                                 _('Software based offloading for routing/NAT'));
  62                         o.optional = true;
  63
  64                         o = s.option(form.Flag, 'flow_offloading_hw',
  65                                 _('Hardware flow offloading'),
  66                                 _('Requires hardware NAT support. Implemented at least for mt7621'));
  67                         o.optional = true;
  68                         o.depends('flow_offloading', '1');
  69                 }
  70
  71
  72                 s = m.section(form.GridSection, 'zone', _('Zones'));
  73                 s.addremove = true;
  74                 s.anonymous = true;
  75                 s.sortable  = true;
  76
  77                 s.tab('general', _('General Settings'));
  78                 s.tab('advanced', _('Advanced Settings'));
  79                 s.tab('conntrack', _('Conntrack Settings'));
  80                 s.tab('extra', _('Extra iptables arguments'));
  81
  82                 o = s.taboption('general', form.DummyValue, '_generalinfo');
  83                 o.rawhtml = true;
  84                 o.modalonly = true;
  85                 o.cfgvalue = function(section_id) {
  86                         var name = uci.get('firewall', section_id, 'name');
  87
  88                         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.')
  89                                 .replace(/%s/g, name).replace(/%q/g, '"' + name + '"');
  90                 };
  91
  92                 o = s.taboption('general', form.Value, 'name', _('Name'));
  93                 o.placeholder = _('Unnamed zone');
  94                 o.modalonly = true;
  95                 o.datatype = 'and(uciname,maxlength(11))';
  96                 o.write = function(section_id, formvalue) {
  97                         var cfgvalue = this.cfgvalue(section_id);
  98
  99                         if (cfgvalue != formvalue)
 100                                 return firewall.renameZone(cfgvalue, formvalue);
 101                 };
 102
 103                 o = s.option(widgets.ZoneForwards, '_info', _('Zone ⇒ Forwardings'));
 104                 o.editable = true;
 105                 o.modalonly = false;
 106                 o.cfgvalue = function(section_id) {
 107                         return uci.get('firewall', section_id, 'name');
 108                 };
 109
 110                 var p = [
 111                         s.taboption('general', form.ListValue, 'input', _('Input')),
 112                         s.taboption('general', form.ListValue, 'output', _('Output')),
 113                         s.taboption('general', form.ListValue, 'forward', _('Forward'))
 114                 ];
 115
 116                 for (var i = 0; i < p.length; i++) {
 117                         p[i].value('REJECT', _('reject'));
 118                         p[i].value('DROP', _('drop'));
 119                         p[i].value('ACCEPT', _('accept'));
 120                         p[i].editable = true;
 121                 }
 122
 123                 p[0].default = fwDefaults.getInput();
 124                 p[1].default = fwDefaults.getOutput();
 125                 p[2].default = fwDefaults.getForward();
 126
 127                 o = s.taboption('general', form.Flag, 'masq', _('Masquerading'));
 128                 o.editable = true;
 129
 130                 o = s.taboption('general', form.Flag, 'mtu_fix', _('MSS clamping'));
 131                 o.modalonly = true;
 132
 133                 o = s.taboption('general', widgets.NetworkSelect, 'network', _('Covered networks'));
 134                 o.modalonly = true;
 135                 o.multiple = true;
 136                 o.write = function(section_id, formvalue) {
 137                         var name = uci.get('firewall', section_id, 'name'),
 138                             cfgvalue = this.cfgvalue(section_id);
 139
 140                         if (typeof(cfgvalue) == 'string' && Array.isArray(formvalue) && (cfgvalue == formvalue.join(' ')))
 141                                 return;
 142
 143                         var tasks = [ firewall.getZone(name) ];
 144
 145                         if (Array.isArray(formvalue))
 146                                 for (var i = 0; i < formvalue.length; i++) {
 147                                         var netname = formvalue[i];
 148                                         tasks.push(network.getNetwork(netname).then(function(net) {
 149                                                 return net || network.addNetwork(netname, { 'proto': 'none' });
 150                                         }));
 151                                 }
 152
 153                         return Promise.all(tasks).then(function(zone_networks) {
 154                                 if (zone_networks[0])
 155                                         for (var i = 1; i < zone_networks.length; i++)
 156                                                 zone_networks[0].addNetwork(zone_networks[i].getName());
 157                         });
 158                 };
 159                 o.remove = function(section_id) {
 160                         return uci.set('firewall', section_id, 'network', ' ');
 161                 };
 162
 163                 o = s.taboption('advanced', form.DummyValue, '_advancedinfo');
 164                 o.rawhtml = true;
 165                 o.modalonly = true;
 166                 o.cfgvalue = function(section_id) {
 167                         var name = uci.get('firewall', section_id, 'name');
 168
 169                         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.')
 170                                 .format(name);
 171                 };
 172
 173                 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.'));
 174                 o.modalonly = true;
 175                 o.multiple = true;
 176
 177                 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.'));
 178                 o.datatype = 'neg(cidr)';
 179                 o.modalonly = true;
 180                 o.multiple = true;
 181
 182                 o = s.taboption('advanced', form.ListValue, 'family', _('Restrict to address family'));
 183                 o.value('', _('IPv4 and IPv6'));
 184                 o.value('ipv4', _('IPv4 only'));
 185                 o.value('ipv6', _('IPv6 only'));
 186                 o.modalonly = true;
 187
 188                 o = s.taboption('advanced', form.DynamicList, 'masq_src', _('Restrict Masquerading to given source subnets'));
 189                 o.depends('family', '');
 190                 o.depends('family', 'ipv4');
 191                 o.datatype = 'list(neg(or(uciname,hostname,ipmask4)))';
 192                 o.placeholder = '0.0.0.0/0';
 193                 o.modalonly = true;
 194
 195                 o = s.taboption('advanced', form.DynamicList, 'masq_dest', _('Restrict Masquerading to given destination subnets'));
 196                 o.depends('family', '');
 197                 o.depends('family', 'ipv4');
 198                 o.datatype = 'list(neg(or(uciname,hostname,ipmask4)))';
 199                 o.placeholder = '0.0.0.0/0';
 200                 o.modalonly = true;
 201
 202                 o = s.taboption('conntrack', form.Flag, 'conntrack', _('Force connection tracking'), _('Prevent the installation of <em>NOTRACK</em> rules which would bypass connection tracking.'));
 203                 o.modalonly = true;
 204
 205                 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.'));
 206                 o.modalonly = true;
 207
 208                 o = s.taboption('conntrack', form.Flag, 'auto_helper', _('Automatic helper assignment'), _('Automatically assign conntrack helpers based on traffic protocol and port'));
 209                 o.default = o.enabled;
 210                 o.modalonly = true;
 211
 212                 o = s.taboption('conntrack', form.MultiValue, 'helper', _('Conntrack helpers'), _('Explicitly choses allowed connection tracking helpers for zone traffic'));
 213                 o.depends('auto_helper', '0');
 214                 o.modalonly = true;
 215                 for (var i = 0; i < ctHelpers.length; i++)
 216                         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()));
 217
 218                 o = s.taboption('advanced', form.Flag, 'log', _('Enable logging on this zone'));
 219                 o.modalonly = true;
 220
 221                 o = s.taboption('advanced', form.Value, 'log_limit', _('Limit log messages'));
 222                 o.depends('log', '1');
 223                 o.placeholder = '10/minute';
 224                 o.modalonly = true;
 225
 226                 o = s.taboption('extra', form.DummyValue, '_extrainfo');
 227                 o.rawhtml = true;
 228                 o.modalonly = true;
 229                 o.cfgvalue = function(section_id) {
 230                         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.');
 231                 };
 232
 233                 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.'));
 234                 o.modalonly = true;
 235                 o.cfgvalue = function(section_id) {
 236                         return uci.get('firewall', section_id, 'extra_src') || uci.get('firewall', section_id, 'extra');
 237                 };
 238                 o.write = function(section_id, value) {
 239                         uci.unset('firewall', section_id, 'extra');
 240                         uci.set('firewall', section_id, 'extra_src', value);
 241                 };
 242
 243                 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.'));
 244                 o.modalonly = true;
 245                 o.cfgvalue = function(section_id) {
 246                         return uci.get('firewall', section_id, 'extra_dest') || uci.get('firewall', section_id, 'extra_src') || uci.get('firewall', section_id, 'extra');
 247                 };
 248                 o.write = function(section_id, value) {
 249                         uci.unset('firewall', section_id, 'extra');
 250                         uci.set('firewall', section_id, 'extra_dest', value);
 251                 };
 252
 253                 o = s.taboption('general', form.DummyValue, '_forwardinfo');
 254                 o.rawhtml = true;
 255                 o.modalonly = true;
 256                 o.cfgvalue = function(section_id) {
 257                         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.')
 258                                 .format(uci.get('firewall', section_id, 'name'));
 259                 };
 260
 261                 out = o = s.taboption('general', widgets.ZoneSelect, 'out', _('Allow forward to <em>destination zones</em>:'));
 262                 o.nocreate = true;
 263                 o.multiple = true;
 264                 o.modalonly = true;
 265                 o.filter = function(section_id, value) {
 266                         return (uci.get('firewall', section_id, 'name') != value);
 267                 };
 268                 o.cfgvalue = function(section_id) {
 269                         var out = (this.option == 'out'),
 270                             zone = this.lookupZone(uci.get('firewall', section_id, 'name')),
 271                             fwds = zone.getForwardingsBy(out ? 'src' : 'dest'),
 272                             value = [];
 273
 274                         for (var i = 0; i < fwds.length; i++)
 275                                 value.push(out ? fwds[i].getDestination() : fwds[i].getSource());
 276
 277                         return value;
 278                 };
 279                 o.write = o.remove = function(section_id, formvalue) {
 280                         var out = (this.option == 'out'),
 281                             zone = this.lookupZone(uci.get('firewall', section_id, 'name')),
 282                             fwds = zone.getForwardingsBy(out ? 'src' : 'dest');
 283
 284                         if (formvalue == null)
 285                                 formvalue = [];
 286
 287                         if (Array.isArray(formvalue)) {
 288                                 for (var i = 0; i < fwds.length; i++) {
 289                                         var cmp = out ? fwds[i].getDestination() : fwds[i].getSource();
 290                                         if (!formvalue.filter(function(d) { return d == cmp }).length)
 291                                                 zone.deleteForwarding(fwds[i]);
 292                                 }
 293
 294                                 for (var i = 0; i < formvalue.length; i++)
 295                                         if (out)
 296                                                 zone.addForwardingTo(formvalue[i]);
 297                                         else
 298                                                 zone.addForwardingFrom(formvalue[i]);
 299                         }
 300                 };
 301
 302                 inp = o = s.taboption('general', widgets.ZoneSelect, 'in', _('Allow forward from <em>source zones</em>:'));
 303                 o.nocreate = true;
 304                 o.multiple = true;
 305                 o.modalonly = true;
 306                 o.write = o.remove = out.write;
 307                 o.filter = out.filter;
 308                 o.cfgvalue = out.cfgvalue;
 309
 310                 return m.render();
 311         }
 312 });