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

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