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

   1 'use strict';
   2 'require view';
   3 'require ui';
   4 'require rpc';
   5 'require uci';
   6 'require form';
   7 'require firewall as fwmodel';
   8 'require tools.firewall as fwtool';
   9 'require tools.widgets as widgets';
  10
  11 function rule_proto_txt(s, ctHelpers) {
  12         var family = (uci.get('firewall', s, 'family') || '').toLowerCase().replace(/^(?:any|\*)$/, '');
  13         var dip = uci.get('firewall', s, 'dest_ip') || '';
  14         var proto = L.toArray(uci.get('firewall', s, 'proto')).filter(function(p) {
  15                 return (p != '*' && p != 'any' && p != 'all');
  16         }).map(function(p) {
  17                 var pr = fwtool.lookupProto(p);
  18                 return {
  19                         num:   pr[0],
  20                         name:  pr[1],
  21                         types: (pr[0] == 1 || pr[0] == 58) ? L.toArray(uci.get('firewall', s, 'icmp_type')) : null
  22                 };
  23         });
  24
  25         m = String(uci.get('firewall', s, 'helper') || '').match(/^(!\s*)?(\S+)$/);
  26         var h = m ? {
  27                 val:  m[0].toUpperCase(),
  28                 inv:  m[1],
  29                 name: (ctHelpers.filter(function(ctH) { return ctH.name.toLowerCase() == m[2].toLowerCase() })[0] || {}).description
  30         } : null;
  31
  32         m = String(uci.get('firewall', s, 'mark')).match(/^(!\s*)?(0x[0-9a-f]{1,8}|[0-9]{1,10})(?:\/(0x[0-9a-f]{1,8}|[0-9]{1,10}))?$/i);
  33         var f = m ? {
  34                 val:  m[0].toUpperCase().replace(/X/g, 'x'),
  35                 inv:  m[1],
  36                 num:  '0x%02X'.format(+m[2]),
  37                 mask: m[3] ? '0x%02X'.format(+m[3]) : null
  38         } : null;
  39
  40         return fwtool.fmt(_('Incoming %{ipv6?%{ipv4?<var>IPv4</var> and <var>IPv6</var>:<var>IPv6</var>}:<var>IPv4</var>}%{proto?, protocol %{proto#%{next?, }%{item.types?<var class="cbi-tooltip-container">%{item.name}<span class="cbi-tooltip">ICMP with types %{item.types#%{next?, }<var>%{item}</var>}</span></var>:<var>%{item.name}</var>}}}%{mark?, mark <var%{mark.inv? data-tooltip="Match fwmarks except %{mark.num}%{mark.mask? with mask %{mark.mask}}.":%{mark.mask? data-tooltip="Mask fwmark value with %{mark.mask} before compare."}}>%{mark.val}</var>}%{helper?, helper %{helper.inv?<var data-tooltip="Match any helper except &quot;%{helper.name}&quot;">%{helper.val}</var>:<var data-tooltip="%{helper.name}">%{helper.val}</var>}}'), {
  41                 ipv4: ((!family && dip.indexOf(':') == -1) || family == 'ipv4'),
  42                 ipv6: ((!family && dip.indexOf(':') != -1) || (!family && !dip) || family == 'ipv6'),
  43                 proto: proto,
  44                 helper: h,
  45                 mark:   f
  46         });
  47 }
  48
  49 function rule_src_txt(s, hosts) {
  50         var z = uci.get('firewall', s, 'src');
  51
  52         return fwtool.fmt(_('From %{src}%{src_ip?, IP %{src_ip#%{next?, }<var%{item.inv? data-tooltip="Match IP addresses except %{item.val}."}>%{item.ival}</var>}}%{src_port?, port %{src_port#%{next?, }<var%{item.inv? data-tooltip="Match ports except %{item.val}."}>%{item.ival}</var>}}%{src_mac?, MAC %{src_mac#%{next?, }<var%{item.inv? data-tooltip="Match MACs except %{item.val}%{item.hint.name? a.k.a. %{item.hint.name}}.":%{item.hint.name? data-tooltip="%{item.hint.name}"}}>%{item.ival}</var>}}'), {
  53                 src: E('span', { 'class': 'zonebadge', 'style': fwmodel.getZoneColorStyle(z) }, [(z == '*') ? E('em', _('any zone')) : (z ? E('strong', z) : E('em', _('this device')))]),
  54                 src_ip: fwtool.map_invert(uci.get('firewall', s, 'src_ip'), 'toLowerCase'),
  55                 src_mac: fwtool.map_invert(uci.get('firewall', s, 'src_mac'), 'toUpperCase').map(function(v) { return Object.assign(v, { hint: hosts[v.val] }) }),
  56                 src_port: fwtool.map_invert(uci.get('firewall', s, 'src_port'))
  57         });
  58 }
  59
  60 function rule_dest_txt(s) {
  61         return fwtool.fmt(_('To %{dest}%{dest_ip?, IP %{dest_ip#%{next?, }<var%{item.inv? data-tooltip="Match IP addresses except %{item.val}."}>%{item.ival}</var>}}%{dest_port?, port %{dest_port#%{next?, }<var%{item.inv? data-tooltip="Match ports except %{item.val}."}>%{item.ival}</var>}}'), {
  62                 dest: E('span', { 'class': 'zonebadge', 'style': fwmodel.getZoneColorStyle(null) }, [E('em', _('this device'))]),
  63                 dest_ip: fwtool.map_invert(uci.get('firewall', s, 'src_dip'), 'toLowerCase'),
  64                 dest_port: fwtool.map_invert(uci.get('firewall', s, 'src_dport'))
  65         });
  66 }
  67
  68 function rule_limit_txt(s) {
  69         var m = String(uci.get('firewall', s, 'limit')).match(/^(\d+)\/([smhd])\w*$/i),
  70             l = m ? {
  71                         num:   +m[1],
  72                         unit:  ({ s: _('second'), m: _('minute'), h: _('hour'), d: _('day') })[m[2]],
  73                         burst: uci.get('firewall', s, 'limit_burst')
  74                 } : null;
  75
  76         if (!l)
  77                 return '';
  78
  79         return fwtool.fmt(_('Limit matching to <var>%{limit.num}</var> packets per <var>%{limit.unit}</var>%{limit.burst? burst <var>%{limit.burst}</var>}'), { limit: l });
  80 }
  81
  82 function rule_target_txt(s) {
  83         var z = uci.get('firewall', s, 'dest');
  84
  85         return fwtool.fmt(_('<var data-tooltip="DNAT">Forward</var> to %{dest}%{dest_ip? IP <var>%{dest_ip}</var>}%{dest_port? port <var>%{dest_port}</var>}'), {
  86                 dest: E('span', { 'class': 'zonebadge', 'style': 'background-color:' + fwmodel.getColorForName((z && z != '*') ? z : null) }, [(z == '*') ? E('em', _('any zone')) : (z ? E('strong', z) : E('em', _('this device')))]),
  87                 dest_ip: (uci.get('firewall', s, 'dest_ip') || '').toLowerCase(),
  88                 dest_port: uci.get('firewall', s, 'dest_port')
  89         });
  90 }
  91
  92 function validate_opt_family(m, section_id, opt) {
  93         var dopt = m.section.getOption('dest_ip'),
  94             fmopt = m.section.getOption('family');
  95
  96         if (!dopt.isValid(section_id) && opt != 'dest_ip')
  97                 return true;
  98         if (!fmopt.isValid(section_id) && opt != 'family')
  99                 return true;
 100
 101         var dip = dopt.formvalue(section_id) || '',
 102             fm = fmopt.formvalue(section_id) || '';
 103
 104         if (fm == '' || (fm == 'ipv6' && (dip.indexOf(':') != -1 || dip == '')) || (fm == 'ipv4' && dip.indexOf(':') == -1))
 105                 return true;
 106
 107         return _('Address family, Internal IP address must match');
 108 }
 109
 110 return view.extend({
 111         callHostHints: rpc.declare({
 112                 object: 'luci-rpc',
 113                 method: 'getHostHints',
 114                 expect: { '': {} }
 115         }),
 116
 117         callConntrackHelpers: rpc.declare({
 118                 object: 'luci',
 119                 method: 'getConntrackHelpers',
 120                 expect: { result: [] }
 121         }),
 122
 123         callNetworkDevices: rpc.declare({
 124                 object: 'luci-rpc',
 125                 method: 'getNetworkDevices',
 126                 expect: { '': {} }
 127         }),
 128
 129         load: function() {
 130                 return Promise.all([
 131                         this.callHostHints(),
 132                         this.callConntrackHelpers(),
 133                         this.callNetworkDevices(),
 134                         uci.load('firewall')
 135                 ]);
 136         },
 137
 138         render: function(data) {
 139                 if (fwtool.checkLegacySNAT())
 140                         return fwtool.renderMigration();
 141                 else
 142                         return this.renderForwards(data);
 143         },
 144
 145         renderForwards: function(data) {
 146                 var hosts = data[0],
 147                     ctHelpers = data[1],
 148                     devs = data[2],
 149                     m, s, o;
 150                 var fw4 = L.hasSystemFeature('firewall4');
 151
 152                 m = new form.Map('firewall', _('Firewall - Port Forwards'),
 153                         _('Port forwarding allows remote computers on the Internet to connect to a specific computer or service within the private LAN.'));
 154
 155                 s = m.section(form.GridSection, 'redirect', _('Port Forwards'));
 156                 s.addremove = true;
 157                 s.anonymous = true;
 158                 s.sortable  = true;
 159
 160                 s.tab('general', _('General Settings'));
 161                 s.tab('advanced', _('Advanced Settings'));
 162
 163                 s.filter = function(section_id) {
 164                         return (uci.get('firewall', section_id, 'target') != 'SNAT');
 165                 };
 166
 167                 s.sectiontitle = function(section_id) {
 168                         return uci.get('firewall', section_id, 'name') || _('Unnamed forward');
 169                 };
 170
 171                 s.handleAdd = function(ev) {
 172                         var config_name = this.uciconfig || this.map.config,
 173                             section_id = uci.add(config_name, this.sectiontype);
 174
 175                         uci.set(config_name, section_id, 'dest', 'lan');
 176                         uci.set(config_name, section_id, 'target', 'DNAT');
 177
 178                         m.addedSection = section_id;
 179                         this.renderMoreOptionsModal(section_id);
 180                 };
 181
 182                 o = s.taboption('general', form.Value, 'name', _('Name'));
 183                 o.placeholder = _('Unnamed forward');
 184                 o.modalonly = true;
 185
 186                 if (fw4) {
 187                         o = s.taboption('general', form.ListValue, 'family', _('Restrict to address family'));
 188                         o.modalonly = true;
 189                         o.rmempty = true;
 190                         o.value('ipv4', _('IPv4 only'));
 191                         o.value('ipv6', _('IPv6 only'));
 192                         o.value('', _('automatic'));  // infer from zone or used IP addresses
 193                         o.cfgvalue = function(section_id) {
 194                                 var val = this.map.data.get(this.map.config, section_id, 'family');
 195
 196                                 if (!val || val == 'any' || val == 'all' || val == '*')
 197                                         return '';
 198                                 else if (val == 'inet' || String(val).indexOf('4') != -1)
 199                                         return 'ipv4';
 200                                 else if (String(val).indexOf('6') != -1)
 201                                         return 'ipv6';
 202                         };
 203                         o.validate = function(section_id, value) {
 204                                 fwtool.updateHostHints(this.map, section_id, 'dest_ip', value, hosts);
 205                                 return !fw4?true:validate_opt_family(this, section_id, 'family');
 206                         };
 207                 }
 208
 209                 o = s.option(form.DummyValue, '_match', _('Match'));
 210                 o.modalonly = false;
 211                 o.textvalue = function(s) {
 212                         return E('small', [
 213                                 rule_proto_txt(s, ctHelpers), E('br'),
 214                                 rule_src_txt(s, hosts), E('br'),
 215                                 rule_dest_txt(s), E('br'),
 216                                 rule_limit_txt(s)
 217                         ]);
 218                 };
 219
 220                 o = s.option(form.ListValue, '_dest', _('Action'));
 221                 o.modalonly = false;
 222                 o.textvalue = function(s) {
 223                         return E('small', [
 224                                 rule_target_txt(s)
 225                         ]);
 226                 };
 227
 228                 o = s.option(form.Flag, 'enabled', _('Enable'));
 229                 o.modalonly = false;
 230                 o.default = o.enabled;
 231                 o.editable = true;
 232
 233                 o = s.taboption('general', fwtool.CBIProtocolSelect, 'proto', _('Protocol'));
 234                 o.modalonly = true;
 235                 o.default = 'tcp udp';
 236
 237                 o = s.taboption('general', widgets.ZoneSelect, 'src', _('Source zone'));
 238                 o.modalonly = true;
 239                 o.rmempty = false;
 240                 o.nocreate = true;
 241                 o.default = 'wan';
 242
 243                 o = s.taboption('advanced', form.Value, 'ipset', _('Use ipset'));
 244                 uci.sections('firewall', 'ipset', function(s) {
 245                         if (typeof(s.name) == 'string')
 246                                 o.value(s.name, s.comment ? '%s (%s)'.format(s.name, s.comment) : s.name);
 247                 });
 248                 o.modalonly = true;
 249                 o.rmempty = true;
 250
 251                 o = fwtool.addMACOption(s, 'advanced', 'src_mac', _('Source MAC address'),
 252                         _('Only match incoming traffic from these MACs.'), hosts);
 253                 o.rmempty = true;
 254                 o.datatype = 'list(neg(macaddr))';
 255
 256                 o = fwtool.addIPOption(s, 'advanced', 'src_ip', _('Source IP address'),
 257                         _('Only match incoming traffic from this IP or range.'), !fw4?'ipv4':'', hosts);
 258                 o.rmempty = true;
 259                 o.datatype = !fw4?'neg(ipmask4("true"))':'neg(ipmask("true"))';
 260
 261                 o = s.taboption('advanced', form.Value, 'src_port', _('Source port'),
 262                         _('Only match incoming traffic originating from the given source port or port range on the client host'));
 263                 o.modalonly = true;
 264                 o.rmempty = true;
 265                 o.datatype = 'neg(portrange)';
 266                 o.placeholder = _('any');
 267                 o.depends({ proto: 'tcp', '!contains': true });
 268                 o.depends({ proto: 'udp', '!contains': true });
 269
 270                 o = fwtool.addLocalIPOption(s, 'advanced', 'src_dip', _('External IP address'),
 271                         _('Only match incoming traffic directed at the given IP address.'), devs);
 272                 o.datatype = !fw4?'neg(ipmask4("true"))':'neg(ipmask("true"))';
 273                 o.rmempty = true;
 274
 275                 o = s.taboption('general', form.Value, 'src_dport', _('External port'),
 276                         _('Match incoming traffic directed at the given destination port or port range on this host'));
 277                 o.modalonly = true;
 278                 o.rmempty = false;
 279                 o.datatype = 'neg(portrange)';
 280                 o.depends({ proto: 'tcp', '!contains': true });
 281                 o.depends({ proto: 'udp', '!contains': true });
 282
 283                 o = s.taboption('general', widgets.ZoneSelect, 'dest', _('Internal zone'));
 284                 o.modalonly = true;
 285                 o.rmempty = true;
 286                 o.nocreate = true;
 287
 288                 o = fwtool.addIPOption(s, 'general', 'dest_ip', _('Internal IP address'),
 289                         _('Redirect matched incoming traffic to the specified internal host'), !fw4?'ipv4':'', hosts);
 290                 o.rmempty = true;
 291                 o.datatype = !fw4?'ipmask4':'ipmask';
 292
 293                 o = s.taboption('general', form.Value, 'dest_port', _('Internal port'),
 294                         _('Redirect matched incoming traffic to the given port on the internal host'));
 295                 o.modalonly = true;
 296                 o.rmempty = true;
 297                 o.placeholder = _('any');
 298                 o.datatype = 'portrange';
 299                 o.depends({ proto: 'tcp', '!contains': true });
 300                 o.depends({ proto: 'udp', '!contains': true });
 301
 302                 o = s.taboption('advanced', form.Flag, 'reflection', _('Enable NAT Loopback'));
 303                 o.modalonly = true;
 304                 o.rmempty = true;
 305                 o.default = o.enabled;
 306
 307                 o = s.taboption('advanced', form.ListValue, 'reflection_src', _('Loopback source IP'), _('Specifies whether to use the external or the internal IP address for reflected traffic.'));
 308                 o.modalonly = true;
 309                 o.depends('reflection', '1');
 310                 o.value('internal', _('Use internal IP address'));
 311                 o.value('external', _('Use external IP address'));
 312                 o.write = function(section_id, value) {
 313                         uci.set('firewall', section_id, 'reflection_src', (value != 'internal') ? value : null);
 314                 };
 315
 316                 o = s.taboption('advanced', form.Value, 'helper', _('Match helper'), _('Match traffic using the specified connection tracking helper.'));
 317                 o.modalonly = true;
 318                 o.placeholder = _('any');
 319                 for (var i = 0; i < ctHelpers.length; i++)
 320                         o.value(ctHelpers[i].name, '%s (%s)'.format(ctHelpers[i].description, ctHelpers[i].name.toUpperCase()));
 321                 o.validate = function(section_id, value) {
 322                         if (value == '' || value == null)
 323                                 return true;
 324
 325                         value = value.replace(/^!\s*/, '');
 326
 327                         for (var i = 0; i < ctHelpers.length; i++)
 328                                 if (value == ctHelpers[i].name)
 329                                         return true;
 330
 331                         return _('Unknown or not installed conntrack helper "%s"').format(value);
 332                 };
 333
 334                 fwtool.addMarkOption(s, false);
 335                 fwtool.addLimitOption(s);
 336                 fwtool.addLimitBurstOption(s);
 337
 338                 if (!L.hasSystemFeature('firewall4')) {
 339                         o = s.taboption('advanced', form.Value, 'extra', _('Extra arguments'),
 340                                 _('Passes additional arguments to iptables. Use with care!'));
 341                         o.modalonly = true;
 342                         o.rmempty = true;
 343                 }
 344
 345                 return m.render();
 346         }
 347 });