modules/luci-mod-network/htdocs/luci-static/resources/view/network/dhcp.js

   1 'use strict';
   2 'require view';
   3 'require dom';
   4 'require poll';
   5 'require rpc';
   6 'require uci';
   7 'require form';
   8 'require validation';
   9
  10 var callHostHints, callDUIDHints, callDHCPLeases, CBILeaseStatus, CBILease6Status;
  11
  12 callHostHints = rpc.declare({
  13         object: 'luci-rpc',
  14         method: 'getHostHints',
  15         expect: { '': {} }
  16 });
  17
  18 callDUIDHints = rpc.declare({
  19         object: 'luci-rpc',
  20         method: 'getDUIDHints',
  21         expect: { '': {} }
  22 });
  23
  24 callDHCPLeases = rpc.declare({
  25         object: 'luci-rpc',
  26         method: 'getDHCPLeases',
  27         expect: { '': {} }
  28 });
  29
  30 CBILeaseStatus = form.DummyValue.extend({
  31         renderWidget: function(section_id, option_id, cfgvalue) {
  32                 return E([
  33                         E('h4', _('Active DHCP Leases')),
  34                         E('table', { 'id': 'lease_status_table', 'class': 'table' }, [
  35                                 E('tr', { 'class': 'tr table-titles' }, [
  36                                         E('th', { 'class': 'th' }, _('Hostname')),
  37                                         E('th', { 'class': 'th' }, _('IPv4-Address')),
  38                                         E('th', { 'class': 'th' }, _('MAC-Address')),
  39                                         E('th', { 'class': 'th' }, _('Lease time remaining'))
  40                                 ]),
  41                                 E('tr', { 'class': 'tr placeholder' }, [
  42                                         E('td', { 'class': 'td' }, E('em', _('Collecting data...')))
  43                                 ])
  44                         ])
  45                 ]);
  46         }
  47 });
  48
  49 CBILease6Status = form.DummyValue.extend({
  50         renderWidget: function(section_id, option_id, cfgvalue) {
  51                 return E([
  52                         E('h4', _('Active DHCPv6 Leases')),
  53                         E('table', { 'id': 'lease6_status_table', 'class': 'table' }, [
  54                                 E('tr', { 'class': 'tr table-titles' }, [
  55                                         E('th', { 'class': 'th' }, _('Host')),
  56                                         E('th', { 'class': 'th' }, _('IPv6-Address')),
  57                                         E('th', { 'class': 'th' }, _('DUID')),
  58                                         E('th', { 'class': 'th' }, _('Lease time remaining'))
  59                                 ]),
  60                                 E('tr', { 'class': 'tr placeholder' }, [
  61                                         E('td', { 'class': 'td' }, E('em', _('Collecting data...')))
  62                                 ])
  63                         ])
  64                 ]);
  65         }
  66 });
  67
  68 function validateHostname(sid, s) {
  69         if (s == null || s == '')
  70                 return true;
  71
  72         if (s.length > 256)
  73                 return _('Expecting: %s').format(_('valid hostname'));
  74
  75         var labels = s.replace(/^\.+|\.$/g, '').split(/\./);
  76
  77         for (var i = 0; i < labels.length; i++)
  78                 if (!labels[i].match(/^[a-z0-9_](?:[a-z0-9-]{0,61}[a-z0-9])?$/i))
  79                         return _('Expecting: %s').format(_('valid hostname'));
  80
  81         return true;
  82 }
  83
  84 function validateAddressList(sid, s) {
  85         if (s == null || s == '')
  86                 return true;
  87
  88         var m = s.match(/^\/(.+)\/$/),
  89             names = m ? m[1].split(/\//) : [ s ];
  90
  91         for (var i = 0; i < names.length; i++) {
  92                 var res = validateHostname(sid, names[i]);
  93
  94                 if (res !== true)
  95                         return res;
  96         }
  97
  98         return true;
  99 }
 100
 101 function validateServerSpec(sid, s) {
 102         if (s == null || s == '')
 103                 return true;
 104
 105         var m = s.match(/^(?:\/(.+)\/)?(.*)$/);
 106         if (!m)
 107                 return _('Expecting: %s').format(_('valid hostname'));
 108
 109         var res = validateAddressList(sid, m[1]);
 110         if (res !== true)
 111                 return res;
 112
 113         if (m[2] == '' || m[2] == '#')
 114                 return true;
 115
 116         // ipaddr%scopeid#srvport@source@interface#srcport
 117
 118         m = m[2].match(/^([0-9a-f:.]+)(?:%[^#@]+)?(?:#(\d+))?(?:@([0-9a-f:.]+)(?:@[^#]+)?(?:#(\d+))?)?$/);
 119
 120         if (!m)
 121                 return _('Expecting: %s').format(_('valid IP address'));
 122
 123         if (validation.parseIPv4(m[1])) {
 124                 if (m[3] != null && !validation.parseIPv4(m[3]))
 125                         return _('Expecting: %s').format(_('valid IPv4 address'));
 126         }
 127         else if (validation.parseIPv6(m[1])) {
 128                 if (m[3] != null && !validation.parseIPv6(m[3]))
 129                         return _('Expecting: %s').format(_('valid IPv6 address'));
 130         }
 131         else {
 132                 return _('Expecting: %s').format(_('valid IP address'));
 133         }
 134
 135         if ((m[2] != null && +m[2] > 65535) || (m[4] != null && +m[4] > 65535))
 136                 return _('Expecting: %s').format(_('valid port value'));
 137
 138         return true;
 139 }
 140
 141 return view.extend({
 142         load: function() {
 143                 return Promise.all([
 144                         callHostHints(),
 145                         callDUIDHints()
 146                 ]);
 147         },
 148
 149         render: function(hosts_duids) {
 150                 var has_dhcpv6 = L.hasSystemFeature('dnsmasq', 'dhcpv6') || L.hasSystemFeature('odhcpd'),
 151                     hosts = hosts_duids[0],
 152                     duids = hosts_duids[1],
 153                     m, s, o, ss, so;
 154
 155                 m = new form.Map('dhcp', _('DHCP and DNS'), _('Dnsmasq is a combined <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr>-Server and <abbr title="Domain Name System">DNS</abbr>-Forwarder for <abbr title="Network Address Translation">NAT</abbr> firewalls'));
 156
 157                 s = m.section(form.TypedSection, 'dnsmasq', _('Server Settings'));
 158                 s.anonymous = true;
 159                 s.addremove = false;
 160
 161                 s.tab('general', _('General Settings'));
 162                 s.tab('files', _('Resolv and Hosts Files'));
 163                 s.tab('tftp', _('TFTP Settings'));
 164                 s.tab('advanced', _('Advanced Settings'));
 165                 s.tab('leases', _('Static Leases'));
 166
 167                 s.taboption('general', form.Flag, 'domainneeded',
 168                         _('Domain required'),
 169                         _('Don\'t forward <abbr title="Domain Name System">DNS</abbr>-Requests without <abbr title="Domain Name System">DNS</abbr>-Name'));
 170
 171                 s.taboption('general', form.Flag, 'authoritative',
 172                         _('Authoritative'),
 173                         _('This is the only <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr> in the local network'));
 174
 175
 176                 s.taboption('files', form.Flag, 'readethers',
 177                         _('Use <code>/etc/ethers</code>'),
 178                         _('Read <code>/etc/ethers</code> to configure the <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr>-Server'));
 179
 180                 s.taboption('files', form.Value, 'leasefile',
 181                         _('Leasefile'),
 182                         _('file where given <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr>-leases will be stored'));
 183
 184                 s.taboption('files', form.Flag, 'noresolv',
 185                         _('Ignore resolve file')).optional = true;
 186
 187                 o = s.taboption('files', form.Value, 'resolvfile',
 188                         _('Resolve file'),
 189                         _('local <abbr title="Domain Name System">DNS</abbr> file'));
 190
 191                 o.depends('noresolv', '0');
 192                 o.placeholder = '/tmp/resolv.conf.d/resolv.conf.auto';
 193                 o.optional = true;
 194
 195
 196                 s.taboption('files', form.Flag, 'nohosts',
 197                         _('Ignore <code>/etc/hosts</code>')).optional = true;
 198
 199                 s.taboption('files', form.DynamicList, 'addnhosts',
 200                         _('Additional Hosts files')).optional = true;
 201
 202                 o = s.taboption('advanced', form.Flag, 'quietdhcp',
 203                         _('Suppress logging'),
 204                         _('Suppress logging of the routine operation of these protocols'));
 205                 o.optional = true;
 206
 207                 o = s.taboption('advanced', form.Flag, 'sequential_ip',
 208                         _('Allocate IP sequentially'),
 209                         _('Allocate IP addresses sequentially, starting from the lowest available address'));
 210                 o.optional = true;
 211
 212                 o = s.taboption('advanced', form.Flag, 'boguspriv',
 213                         _('Filter private'),
 214                         _('Do not forward reverse lookups for local networks'));
 215                 o.default = o.enabled;
 216
 217                 s.taboption('advanced', form.Flag, 'filterwin2k',
 218                         _('Filter useless'),
 219                         _('Do not forward requests that cannot be answered by public name servers'));
 220
 221
 222                 s.taboption('advanced', form.Flag, 'localise_queries',
 223                         _('Localise queries'),
 224                         _('Localise hostname depending on the requesting subnet if multiple IPs are available'));
 225
 226                 if (L.hasSystemFeature('dnsmasq', 'dnssec')) {
 227                         o = s.taboption('advanced', form.Flag, 'dnssec',
 228                                 _('DNSSEC'));
 229                         o.optional = true;
 230
 231                         o = s.taboption('advanced', form.Flag, 'dnsseccheckunsigned',
 232                                 _('DNSSEC check unsigned'),
 233                                 _('Requires upstream supports DNSSEC; verify unsigned domain responses really come from unsigned domains'));
 234                         o.default = o.enabled;
 235                         o.optional = true;
 236                 }
 237
 238                 s.taboption('general', form.Value, 'local',
 239                         _('Local server'),
 240                         _('Local domain specification. Names matching this domain are never forwarded and are resolved from DHCP or hosts files only'));
 241
 242                 s.taboption('general', form.Value, 'domain',
 243                         _('Local domain'),
 244                         _('Local domain suffix appended to DHCP names and hosts file entries'));
 245
 246                 s.taboption('advanced', form.Flag, 'expandhosts',
 247                         _('Expand hosts'),
 248                         _('Add local domain suffix to names served from hosts files'));
 249
 250                 s.taboption('advanced', form.Flag, 'nonegcache',
 251                         _('No negative cache'),
 252                         _('Do not cache negative replies, e.g. for not existing domains'));
 253
 254                 s.taboption('advanced', form.Value, 'serversfile',
 255                         _('Additional servers file'),
 256                         _('This file may contain lines like \'server=/domain/1.2.3.4\' or \'server=1.2.3.4\' for domain-specific or full upstream <abbr title="Domain Name System">DNS</abbr> servers.'));
 257
 258                 s.taboption('advanced', form.Flag, 'strictorder',
 259                         _('Strict order'),
 260                         _('<abbr title="Domain Name System">DNS</abbr> servers will be queried in the order of the resolvfile')).optional = true;
 261
 262                 s.taboption('advanced', form.Flag, 'allservers',
 263                         _('All Servers'),
 264                         _('Query all available upstream <abbr title="Domain Name System">DNS</abbr> servers')).optional = true;
 265
 266                 o = s.taboption('advanced', form.DynamicList, 'bogusnxdomain', _('Bogus NX Domain Override'),
 267                         _('List of hosts that supply bogus NX domain results'));
 268
 269                 o.optional = true;
 270                 o.placeholder = '67.215.65.132';
 271
 272
 273                 s.taboption('general', form.Flag, 'logqueries',
 274                         _('Log queries'),
 275                         _('Write received DNS requests to syslog')).optional = true;
 276
 277                 o = s.taboption('general', form.DynamicList, 'server', _('DNS forwardings'),
 278                         _('List of <abbr title="Domain Name System">DNS</abbr> servers to forward requests to'));
 279
 280                 o.optional = true;
 281                 o.placeholder = '/example.org/10.1.2.3';
 282                 o.validate = validateServerSpec;
 283
 284
 285                 o = s.taboption('general', form.DynamicList, 'address', _('Addresses'),
 286                         _('List of domains to force to an IP address.'));
 287
 288                 o.optional = true;
 289                 o.placeholder = '/router.local/192.168.0.1';
 290
 291
 292                 o = s.taboption('general', form.Flag, 'rebind_protection',
 293                         _('Rebind protection'),
 294                         _('Discard upstream RFC1918 responses'));
 295
 296                 o.rmempty = false;
 297
 298
 299                 o = s.taboption('general', form.Flag, 'rebind_localhost',
 300                         _('Allow localhost'),
 301                         _('Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services'));
 302
 303                 o.depends('rebind_protection', '1');
 304
 305
 306                 o = s.taboption('general', form.DynamicList, 'rebind_domain',
 307                         _('Domain whitelist'),
 308                         _('List of domains to allow RFC1918 responses for'));
 309                 o.optional = true;
 310
 311                 o.depends('rebind_protection', '1');
 312                 o.placeholder = 'ihost.netflix.com';
 313                 o.validate = validateAddressList;
 314
 315
 316                 o = s.taboption('advanced', form.Value, 'port',
 317                         _('<abbr title="Domain Name System">DNS</abbr> server port'),
 318                         _('Listening port for inbound DNS queries'));
 319
 320                 o.optional = true;
 321                 o.datatype = 'port';
 322                 o.placeholder = 53;
 323
 324
 325                 o = s.taboption('advanced', form.Value, 'queryport',
 326                         _('<abbr title="Domain Name System">DNS</abbr> query port'),
 327                         _('Fixed source port for outbound DNS queries'));
 328
 329                 o.optional = true;
 330                 o.datatype = 'port';
 331                 o.placeholder = _('any');
 332
 333
 334                 o = s.taboption('advanced', form.Value, 'dhcpleasemax',
 335                         _('<abbr title="maximal">Max.</abbr> <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr> leases'),
 336                         _('Maximum allowed number of active DHCP leases'));
 337
 338                 o.optional = true;
 339                 o.datatype = 'uinteger';
 340                 o.placeholder = _('unlimited');
 341
 342
 343                 o = s.taboption('advanced', form.Value, 'ednspacket_max',
 344                         _('<abbr title="maximal">Max.</abbr> <abbr title="Extension Mechanisms for Domain Name System">EDNS0</abbr> packet size'),
 345                         _('Maximum allowed size of EDNS.0 UDP packets'));
 346
 347                 o.optional = true;
 348                 o.datatype = 'uinteger';
 349                 o.placeholder = 1280;
 350
 351
 352                 o = s.taboption('advanced', form.Value, 'dnsforwardmax',
 353                         _('<abbr title="maximal">Max.</abbr> concurrent queries'),
 354                         _('Maximum allowed number of concurrent DNS queries'));
 355
 356                 o.optional = true;
 357                 o.datatype = 'uinteger';
 358                 o.placeholder = 150;
 359
 360                 o = s.taboption('advanced', form.Value, 'cachesize',
 361                         _('Size of DNS query cache'),
 362                         _('Number of cached DNS entries (max is 10000, 0 is no caching)'));
 363                 o.optional = true;
 364                 o.datatype = 'range(0,10000)';
 365                 o.placeholder = 150;
 366
 367                 s.taboption('tftp', form.Flag, 'enable_tftp',
 368                         _('Enable TFTP server')).optional = true;
 369
 370                 o = s.taboption('tftp', form.Value, 'tftp_root',
 371                         _('TFTP server root'),
 372                         _('Root directory for files served via TFTP'));
 373
 374                 o.optional = true;
 375                 o.depends('enable_tftp', '1');
 376                 o.placeholder = '/';
 377
 378
 379                 o = s.taboption('tftp', form.Value, 'dhcp_boot',
 380                         _('Network boot image'),
 381                         _('Filename of the boot image advertised to clients'));
 382
 383                 o.optional = true;
 384                 o.depends('enable_tftp', '1');
 385                 o.placeholder = 'pxelinux.0';
 386
 387                 o = s.taboption('general', form.Flag, 'localservice',
 388                         _('Local Service Only'),
 389                         _('Limit DNS service to subnets interfaces on which we are serving DNS.'));
 390                 o.optional = false;
 391                 o.rmempty = false;
 392
 393                 o = s.taboption('general', form.Flag, 'nonwildcard',
 394                         _('Non-wildcard'),
 395                         _('Bind dynamically to interfaces rather than wildcard address (recommended as linux default)'));
 396                 o.default = o.enabled;
 397                 o.optional = false;
 398                 o.rmempty = true;
 399
 400                 o = s.taboption('general', form.DynamicList, 'interface',
 401                         _('Listen Interfaces'),
 402                         _('Limit listening to these interfaces, and loopback.'));
 403                 o.optional = true;
 404
 405                 o = s.taboption('general', form.DynamicList, 'notinterface',
 406                         _('Exclude interfaces'),
 407                         _('Prevent listening on these interfaces.'));
 408                 o.optional = true;
 409
 410                 o = s.taboption('leases', form.SectionValue, '__leases__', form.GridSection, 'host', null,
 411                         _('Static leases are used to assign fixed IP addresses and symbolic hostnames to DHCP clients. They are also required for non-dynamic interface configurations where only hosts with a corresponding lease are served.') + '<br />' +
 412                         _('Use the <em>Add</em> Button to add a new lease entry. The <em>MAC-Address</em> identifies the host, the <em>IPv4-Address</em> specifies the fixed address to use, and the <em>Hostname</em> is assigned as a symbolic name to the requesting host. The optional <em>Lease time</em> can be used to set non-standard host-specific lease time, e.g. 12h, 3d or infinite.'));
 413
 414                 ss = o.subsection;
 415
 416                 ss.addremove = true;
 417                 ss.anonymous = true;
 418
 419                 so = ss.option(form.Value, 'name', _('Hostname'));
 420                 so.validate = validateHostname;
 421                 so.rmempty  = true;
 422                 so.write = function(section, value) {
 423                         uci.set('dhcp', section, 'name', value);
 424                         uci.set('dhcp', section, 'dns', '1');
 425                 };
 426                 so.remove = function(section) {
 427                         uci.unset('dhcp', section, 'name');
 428                         uci.unset('dhcp', section, 'dns');
 429                 };
 430
 431                 so = ss.option(form.Value, 'mac', _('<abbr title="Media Access Control">MAC</abbr>-Address'));
 432                 so.datatype = 'list(unique(macaddr))';
 433                 so.rmempty  = true;
 434                 so.cfgvalue = function(section) {
 435                         var macs = L.toArray(uci.get('dhcp', section, 'mac')),
 436                             result = [];
 437
 438                         for (var i = 0, mac; (mac = macs[i]) != null; i++)
 439                                 if (/^([0-9a-fA-F]{1,2}):([0-9a-fA-F]{1,2}):([0-9a-fA-F]{1,2}):([0-9a-fA-F]{1,2}):([0-9a-fA-F]{1,2}):([0-9a-fA-F]{1,2})$/.test(mac))
 440                                         result.push('%02X:%02X:%02X:%02X:%02X:%02X'.format(
 441                                                 parseInt(RegExp.$1, 16), parseInt(RegExp.$2, 16),
 442                                                 parseInt(RegExp.$3, 16), parseInt(RegExp.$4, 16),
 443                                                 parseInt(RegExp.$5, 16), parseInt(RegExp.$6, 16)));
 444
 445                         return result.length ? result.join(' ') : null;
 446                 };
 447                 so.renderWidget = function(section_id, option_index, cfgvalue) {
 448                         var node = form.Value.prototype.renderWidget.apply(this, [section_id, option_index, cfgvalue]),
 449                             ipopt = this.section.children.filter(function(o) { return o.option == 'ip' })[0];
 450
 451                         node.addEventListener('cbi-dropdown-change', L.bind(function(ipopt, section_id, ev) {
 452                                 var mac = ev.detail.value.value;
 453                                 if (mac == null || mac == '' || !hosts[mac] || !hosts[mac].ipv4)
 454                                         return;
 455
 456                                 var ip = ipopt.formvalue(section_id);
 457                                 if (ip != null && ip != '')
 458                                         return;
 459
 460                                 var node = ipopt.map.findElement('id', ipopt.cbid(section_id));
 461                                 if (node)
 462                                         dom.callClassMethod(node, 'setValue', hosts[mac].ipv4);
 463                         }, this, ipopt, section_id));
 464
 465                         return node;
 466                 };
 467                 Object.keys(hosts).forEach(function(mac) {
 468                         var hint = hosts[mac].name || hosts[mac].ipv4;
 469                         so.value(mac, hint ? '%s (%s)'.format(mac, hint) : mac);
 470                 });
 471
 472                 so.write = function(section, value) {
 473                         var ip = this.map.lookupOption('ip', section)[0].formvalue(section);
 474                         var hosts = uci.sections('dhcp', 'host');
 475                         var section_removed = false;
 476
 477                         for (var i = 0; i < hosts.length; i++) {
 478                                 if (ip == hosts[i].ip) {
 479                                         uci.set('dhcp', hosts[i]['.name'], 'mac', [hosts[i].mac, value].join(' '));
 480                                         uci.remove('dhcp', section);
 481                                         section_removed = true;
 482                                         break;
 483                                 }
 484                         }
 485
 486                         if (!section_removed) {
 487                                 uci.set('dhcp', section, 'mac', value);
 488                         }
 489                 }
 490
 491                 so = ss.option(form.Value, 'ip', _('<abbr title="Internet Protocol Version 4">IPv4</abbr>-Address'));
 492                 so.datatype = 'or(ip4addr,"ignore")';
 493                 so.validate = function(section, value) {
 494                         var mac = this.map.lookupOption('mac', section),
 495                             name = this.map.lookupOption('name', section),
 496                             m = mac ? mac[0].formvalue(section) : null,
 497                             n = name ? name[0].formvalue(section) : null;
 498
 499                         if ((m == null || m == '') && (n == null || n == ''))
 500                                 return _('One of hostname or mac address must be specified!');
 501
 502                         return true;
 503                 };
 504                 Object.keys(hosts).forEach(function(mac) {
 505                         if (hosts[mac].ipv4) {
 506                                 var hint = hosts[mac].name;
 507                                 so.value(hosts[mac].ipv4, hint ? '%s (%s)'.format(hosts[mac].ipv4, hint) : hosts[mac].ipv4);
 508                         }
 509                 });
 510
 511                 so = ss.option(form.Value, 'leasetime', _('Lease time'));
 512                 so.rmempty = true;
 513
 514                 so = ss.option(form.Value, 'duid', _('<abbr title="The DHCP Unique Identifier">DUID</abbr>'));
 515                 so.datatype = 'and(rangelength(20,36),hexstring)';
 516                 Object.keys(duids).forEach(function(duid) {
 517                         so.value(duid, '%s (%s)'.format(duid, duids[duid].hostname || duids[duid].macaddr || duids[duid].ip6addr || '?'));
 518                 });
 519
 520                 so = ss.option(form.Value, 'hostid', _('<abbr title="Internet Protocol Version 6">IPv6</abbr>-Suffix (hex)'));
 521
 522                 o = s.taboption('leases', CBILeaseStatus, '__status__');
 523
 524                 if (has_dhcpv6)
 525                         o = s.taboption('leases', CBILease6Status, '__status6__');
 526
 527                 return m.render().then(function(mapEl) {
 528                         poll.add(function() {
 529                                 return callDHCPLeases().then(function(leaseinfo) {
 530                                         var leases = Array.isArray(leaseinfo.dhcp_leases) ? leaseinfo.dhcp_leases : [],
 531                                             leases6 = Array.isArray(leaseinfo.dhcp6_leases) ? leaseinfo.dhcp6_leases : [];
 532
 533                                         cbi_update_table(mapEl.querySelector('#lease_status_table'),
 534                                                 leases.map(function(lease) {
 535                                                         var exp;
 536
 537                                                         if (lease.expires === false)
 538                                                                 exp = E('em', _('unlimited'));
 539                                                         else if (lease.expires <= 0)
 540                                                                 exp = E('em', _('expired'));
 541                                                         else
 542                                                                 exp = '%t'.format(lease.expires);
 543
 544                                                         return [
 545                                                                 lease.hostname || '?',
 546                                                                 lease.ipaddr,
 547                                                                 lease.macaddr,
 548                                                                 exp
 549                                                         ];
 550                                                 }),
 551                                                 E('em', _('There are no active leases')));
 552
 553                                         if (has_dhcpv6) {
 554                                                 cbi_update_table(mapEl.querySelector('#lease6_status_table'),
 555                                                         leases6.map(function(lease) {
 556                                                                 var exp;
 557
 558                                                                 if (lease.expires === false)
 559                                                                         exp = E('em', _('unlimited'));
 560                                                                 else if (lease.expires <= 0)
 561                                                                         exp = E('em', _('expired'));
 562                                                                 else
 563                                                                         exp = '%t'.format(lease.expires);
 564
 565                                                                 var hint = lease.macaddr ? hosts[lease.macaddr] : null,
 566                                                                     name = hint ? (hint.name || hint.ipv4 || hint.ipv6) : null,
 567                                                                     host = null;
 568
 569                                                                 if (name && lease.hostname && lease.hostname != name && lease.ip6addr != name)
 570                                                                         host = '%s (%s)'.format(lease.hostname, name);
 571                                                                 else if (lease.hostname)
 572                                                                         host = lease.hostname;
 573                                                                 else if (name)
 574                                                                         host = name;
 575
 576                                                                 return [
 577                                                                         host || '-',
 578                                                                         lease.ip6addrs ? lease.ip6addrs.join(' ') : lease.ip6addr,
 579                                                                         lease.duid,
 580                                                                         exp
 581                                                                 ];
 582                                                         }),
 583                                                         E('em', _('There are no active leases')));
 584                                         }
 585                                 });
 586                         });
 587
 588                         return mapEl;
 589                 });
 590         }
 591 });