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 network';
   9 'require validation';
  10
  11 var callHostHints, callDUIDHints, callDHCPLeases, CBILeaseStatus, CBILease6Status;
  12
  13 callHostHints = rpc.declare({
  14         object: 'luci-rpc',
  15         method: 'getHostHints',
  16         expect: { '': {} }
  17 });
  18
  19 callDUIDHints = rpc.declare({
  20         object: 'luci-rpc',
  21         method: 'getDUIDHints',
  22         expect: { '': {} }
  23 });
  24
  25 callDHCPLeases = rpc.declare({
  26         object: 'luci-rpc',
  27         method: 'getDHCPLeases',
  28         expect: { '': {} }
  29 });
  30
  31 CBILeaseStatus = form.DummyValue.extend({
  32         renderWidget: function(section_id, option_id, cfgvalue) {
  33                 return E([
  34                         E('h4', _('Active DHCP Leases')),
  35                         E('table', { 'id': 'lease_status_table', 'class': 'table' }, [
  36                                 E('tr', { 'class': 'tr table-titles' }, [
  37                                         E('th', { 'class': 'th' }, _('Hostname')),
  38                                         E('th', { 'class': 'th' }, _('IPv4 address')),
  39                                         E('th', { 'class': 'th' }, _('MAC address')),
  40                                         E('th', { 'class': 'th' }, _('Lease time remaining'))
  41                                 ]),
  42                                 E('tr', { 'class': 'tr placeholder' }, [
  43                                         E('td', { 'class': 'td' }, E('em', _('Collecting data...')))
  44                                 ])
  45                         ])
  46                 ]);
  47         }
  48 });
  49
  50 CBILease6Status = form.DummyValue.extend({
  51         renderWidget: function(section_id, option_id, cfgvalue) {
  52                 return E([
  53                         E('h4', _('Active DHCPv6 Leases')),
  54                         E('table', { 'id': 'lease6_status_table', 'class': 'table' }, [
  55                                 E('tr', { 'class': 'tr table-titles' }, [
  56                                         E('th', { 'class': 'th' }, _('Host')),
  57                                         E('th', { 'class': 'th' }, _('IPv6 address')),
  58                                         E('th', { 'class': 'th' }, _('DUID')),
  59                                         E('th', { 'class': 'th' }, _('Lease time remaining'))
  60                                 ]),
  61                                 E('tr', { 'class': 'tr placeholder' }, [
  62                                         E('td', { 'class': 'td' }, E('em', _('Collecting data...')))
  63                                 ])
  64                         ])
  65                 ]);
  66         }
  67 });
  68
  69 function calculateNetwork(addr, mask) {
  70         addr = validation.parseIPv4(addr);
  71
  72         if (!isNaN(mask))
  73                 mask = validation.parseIPv4(network.prefixToMask(+mask));
  74         else
  75                 mask = validation.parseIPv4(mask);
  76
  77         if (addr == null || mask == null)
  78                 return null;
  79
  80         return [
  81                 [
  82                         addr[0] & (mask[0] >>> 0 & 255),
  83                         addr[1] & (mask[1] >>> 0 & 255),
  84                         addr[2] & (mask[2] >>> 0 & 255),
  85                         addr[3] & (mask[3] >>> 0 & 255)
  86                 ].join('.'),
  87                 mask.join('.')
  88         ];
  89 }
  90
  91 function getDHCPPools() {
  92         return uci.load('dhcp').then(function() {
  93                 let sections = uci.sections('dhcp', 'dhcp'),
  94                     tasks = [], pools = [];
  95
  96                 for (var i = 0; i < sections.length; i++) {
  97                         if (sections[i].ignore == '1' || !sections[i].interface)
  98                                 continue;
  99
 100                         tasks.push(network.getNetwork(sections[i].interface).then(L.bind(function(section_id, net) {
 101                                 var cidr = (net.getIPAddrs()[0] || '').split('/');
 102
 103                                 if (cidr.length == 2) {
 104                                         var net_mask = calculateNetwork(cidr[0], cidr[1]);
 105
 106                                         pools.push({
 107                                                 section_id: section_id,
 108                                                 network: net_mask[0],
 109                                                 netmask: net_mask[1]
 110                                         });
 111                                 }
 112                         }, null, sections[i]['.name'])));
 113                 }
 114
 115                 return Promise.all(tasks).then(function() {
 116                         return pools;
 117                 });
 118         });
 119 }
 120
 121 function validateHostname(sid, s) {
 122         if (s == null || s == '')
 123                 return true;
 124
 125         if (s.length > 256)
 126                 return _('Expecting: %s').format(_('valid hostname'));
 127
 128         var labels = s.replace(/^\.+|\.$/g, '').split(/\./);
 129
 130         for (var i = 0; i < labels.length; i++)
 131                 if (!labels[i].match(/^[a-z0-9_](?:[a-z0-9-]{0,61}[a-z0-9])?$/i))
 132                         return _('Expecting: %s').format(_('valid hostname'));
 133
 134         return true;
 135 }
 136
 137 function validateAddressList(sid, s) {
 138         if (s == null || s == '')
 139                 return true;
 140
 141         var m = s.match(/^\/(.+)\/$/),
 142             names = m ? m[1].split(/\//) : [ s ];
 143
 144         for (var i = 0; i < names.length; i++) {
 145                 var res = validateHostname(sid, names[i]);
 146
 147                 if (res !== true)
 148                         return res;
 149         }
 150
 151         return true;
 152 }
 153
 154 function validateServerSpec(sid, s) {
 155         if (s == null || s == '')
 156                 return true;
 157
 158         var m = s.match(/^(?:\/(.+)\/)?(.*)$/);
 159         if (!m)
 160                 return _('Expecting: %s').format(_('valid hostname'));
 161
 162         var res = validateAddressList(sid, m[1]);
 163         if (res !== true)
 164                 return res;
 165
 166         if (m[2] == '' || m[2] == '#')
 167                 return true;
 168
 169         // ipaddr%scopeid#srvport@source@interface#srcport
 170
 171         m = m[2].match(/^([0-9a-f:.]+)(?:%[^#@]+)?(?:#(\d+))?(?:@([0-9a-f:.]+)(?:@[^#]+)?(?:#(\d+))?)?$/);
 172
 173         if (!m)
 174                 return _('Expecting: %s').format(_('valid IP address'));
 175
 176         if (validation.parseIPv4(m[1])) {
 177                 if (m[3] != null && !validation.parseIPv4(m[3]))
 178                         return _('Expecting: %s').format(_('valid IPv4 address'));
 179         }
 180         else if (validation.parseIPv6(m[1])) {
 181                 if (m[3] != null && !validation.parseIPv6(m[3]))
 182                         return _('Expecting: %s').format(_('valid IPv6 address'));
 183         }
 184         else {
 185                 return _('Expecting: %s').format(_('valid IP address'));
 186         }
 187
 188         if ((m[2] != null && +m[2] > 65535) || (m[4] != null && +m[4] > 65535))
 189                 return _('Expecting: %s').format(_('valid port value'));
 190
 191         return true;
 192 }
 193
 194 function validateMACAddr(pools, sid, s) {
 195         if (s == null || s == '')
 196                 return true;
 197
 198         var leases = uci.sections('dhcp', 'host'),
 199             this_macs = L.toArray(s).map(function(m) { return m.toUpperCase() });
 200
 201         for (var i = 0; i < pools.length; i++) {
 202                 var this_net_mask = calculateNetwork(uci.get('dhcp', sid, 'ip'), pools[i].netmask);
 203
 204                 if (!this_net_mask)
 205                         continue;
 206
 207                 for (var j = 0; j < leases.length; j++) {
 208                         if (leases[j]['.name'] == sid || !leases[j].ip)
 209                                 continue;
 210
 211                         var lease_net_mask = calculateNetwork(leases[j].ip, pools[i].netmask);
 212
 213                         if (!lease_net_mask || this_net_mask[0] != lease_net_mask[0])
 214                                 continue;
 215
 216                         var lease_macs = L.toArray(leases[j].mac).map(function(m) { return m.toUpperCase() });
 217
 218                         for (var k = 0; k < lease_macs.length; k++)
 219                                 for (var l = 0; l < this_macs.length; l++)
 220                                         if (lease_macs[k] == this_macs[l])
 221                                                 return _('The MAC address %h is already used by another static lease in the same DHCP pool').format(this_macs[l]);
 222                 }
 223         }
 224
 225         return true;
 226 }
 227
 228 return view.extend({
 229         load: function() {
 230                 return Promise.all([
 231                         callHostHints(),
 232                         callDUIDHints(),
 233                         getDHCPPools()
 234                 ]);
 235         },
 236
 237         render: function(hosts_duids_pools) {
 238                 var has_dhcpv6 = L.hasSystemFeature('dnsmasq', 'dhcpv6') || L.hasSystemFeature('odhcpd'),
 239                     hosts = hosts_duids_pools[0],
 240                     duids = hosts_duids_pools[1],
 241                     pools = hosts_duids_pools[2],
 242                     m, s, o, ss, so;
 243
 244                 console.debug(pools);
 245
 246                 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'));
 247
 248                 s = m.section(form.TypedSection, 'dnsmasq', _('Server Settings'));
 249                 s.anonymous = true;
 250                 s.addremove = false;
 251
 252                 s.tab('general', _('General Settings'));
 253                 s.tab('files', _('Resolv and Hosts Files'));
 254                 s.tab('tftp', _('TFTP Settings'));
 255                 s.tab('advanced', _('Advanced Settings'));
 256                 s.tab('leases', _('Static Leases'));
 257
 258                 s.taboption('general', form.Flag, 'domainneeded',
 259                         _('Domain required'),
 260                         _('Don\'t forward <abbr title="Domain Name System">DNS</abbr>-Requests without <abbr title="Domain Name System">DNS</abbr>-Name'));
 261
 262                 s.taboption('general', form.Flag, 'authoritative',
 263                         _('Authoritative'),
 264                         _('This is the only <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr> in the local network'));
 265
 266
 267                 s.taboption('files', form.Flag, 'readethers',
 268                         _('Use <code>/etc/ethers</code>'),
 269                         _('Read <code>/etc/ethers</code> to configure the <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr>-Server'));
 270
 271                 s.taboption('files', form.Value, 'leasefile',
 272                         _('Leasefile'),
 273                         _('file where given <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr>-leases will be stored'));
 274
 275                 s.taboption('files', form.Flag, 'noresolv',
 276                         _('Ignore resolve file')).optional = true;
 277
 278                 o = s.taboption('files', form.Value, 'resolvfile',
 279                         _('Resolve file'),
 280                         _('local <abbr title="Domain Name System">DNS</abbr> file'));
 281
 282                 o.depends('noresolv', '0');
 283                 o.placeholder = '/tmp/resolv.conf.d/resolv.conf.auto';
 284                 o.optional = true;
 285
 286
 287                 s.taboption('files', form.Flag, 'nohosts',
 288                         _('Ignore <code>/etc/hosts</code>')).optional = true;
 289
 290                 s.taboption('files', form.DynamicList, 'addnhosts',
 291                         _('Additional Hosts files')).optional = true;
 292
 293                 o = s.taboption('advanced', form.Flag, 'quietdhcp',
 294                         _('Suppress logging'),
 295                         _('Suppress logging of the routine operation of these protocols'));
 296                 o.optional = true;
 297
 298                 o = s.taboption('advanced', form.Flag, 'sequential_ip',
 299                         _('Allocate IP sequentially'),
 300                         _('Allocate IP addresses sequentially, starting from the lowest available address'));
 301                 o.optional = true;
 302
 303                 o = s.taboption('advanced', form.Flag, 'boguspriv',
 304                         _('Filter private'),
 305                         _('Do not forward reverse lookups for local networks'));
 306                 o.default = o.enabled;
 307
 308                 s.taboption('advanced', form.Flag, 'filterwin2k',
 309                         _('Filter useless'),
 310                         _('Do not forward requests that cannot be answered by public name servers'));
 311
 312
 313                 s.taboption('advanced', form.Flag, 'localise_queries',
 314                         _('Localise queries'),
 315                         _('Localise hostname depending on the requesting subnet if multiple IPs are available'));
 316
 317                 if (L.hasSystemFeature('dnsmasq', 'dnssec')) {
 318                         o = s.taboption('advanced', form.Flag, 'dnssec',
 319                                 _('DNSSEC'));
 320                         o.optional = true;
 321
 322                         o = s.taboption('advanced', form.Flag, 'dnsseccheckunsigned',
 323                                 _('DNSSEC check unsigned'),
 324                                 _('Requires upstream supports DNSSEC; verify unsigned domain responses really come from unsigned domains'));
 325                         o.default = o.enabled;
 326                         o.optional = true;
 327                 }
 328
 329                 s.taboption('general', form.Value, 'local',
 330                         _('Local server'),
 331                         _('Local domain specification. Names matching this domain are never forwarded and are resolved from DHCP or hosts files only'));
 332
 333                 s.taboption('general', form.Value, 'domain',
 334                         _('Local domain'),
 335                         _('Local domain suffix appended to DHCP names and hosts file entries'));
 336
 337                 s.taboption('advanced', form.Flag, 'expandhosts',
 338                         _('Expand hosts'),
 339                         _('Add local domain suffix to names served from hosts files'));
 340
 341                 s.taboption('advanced', form.Flag, 'nonegcache',
 342                         _('No negative cache'),
 343                         _('Do not cache negative replies, e.g. for not existing domains'));
 344
 345                 s.taboption('advanced', form.Value, 'serversfile',
 346                         _('Additional servers file'),
 347                         _('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.'));
 348
 349                 s.taboption('advanced', form.Flag, 'strictorder',
 350                         _('Strict order'),
 351                         _('<abbr title="Domain Name System">DNS</abbr> servers will be queried in the order of the resolvfile')).optional = true;
 352
 353                 s.taboption('advanced', form.Flag, 'allservers',
 354                         _('All Servers'),
 355                         _('Query all available upstream <abbr title="Domain Name System">DNS</abbr> servers')).optional = true;
 356
 357                 o = s.taboption('advanced', form.DynamicList, 'bogusnxdomain', _('Bogus NX Domain Override'),
 358                         _('List of hosts that supply bogus NX domain results'));
 359
 360                 o.optional = true;
 361                 o.placeholder = '67.215.65.132';
 362
 363
 364                 s.taboption('general', form.Flag, 'logqueries',
 365                         _('Log queries'),
 366                         _('Write received DNS requests to syslog')).optional = true;
 367
 368                 o = s.taboption('general', form.DynamicList, 'server', _('DNS forwardings'),
 369                         _('List of <abbr title="Domain Name System">DNS</abbr> servers to forward requests to'));
 370
 371                 o.optional = true;
 372                 o.placeholder = '/example.org/10.1.2.3';
 373                 o.validate = validateServerSpec;
 374
 375
 376                 o = s.taboption('general', form.DynamicList, 'address', _('Addresses'),
 377                         _('List of domains to force to an IP address.'));
 378
 379                 o.optional = true;
 380                 o.placeholder = '/router.local/192.168.0.1';
 381
 382
 383                 o = s.taboption('general', form.Flag, 'rebind_protection',
 384                         _('Rebind protection'),
 385                         _('Discard upstream RFC1918 responses'));
 386
 387                 o.rmempty = false;
 388
 389
 390                 o = s.taboption('general', form.Flag, 'rebind_localhost',
 391                         _('Allow localhost'),
 392                         _('Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services'));
 393
 394                 o.depends('rebind_protection', '1');
 395
 396
 397                 o = s.taboption('general', form.DynamicList, 'rebind_domain',
 398                         _('Domain whitelist'),
 399                         _('List of domains to allow RFC1918 responses for'));
 400                 o.optional = true;
 401
 402                 o.depends('rebind_protection', '1');
 403                 o.placeholder = 'ihost.netflix.com';
 404                 o.validate = validateAddressList;
 405
 406
 407                 o = s.taboption('advanced', form.Value, 'port',
 408                         _('<abbr title="Domain Name System">DNS</abbr> server port'),
 409                         _('Listening port for inbound DNS queries'));
 410
 411                 o.optional = true;
 412                 o.datatype = 'port';
 413                 o.placeholder = 53;
 414
 415
 416                 o = s.taboption('advanced', form.Value, 'queryport',
 417                         _('<abbr title="Domain Name System">DNS</abbr> query port'),
 418                         _('Fixed source port for outbound DNS queries'));
 419
 420                 o.optional = true;
 421                 o.datatype = 'port';
 422                 o.placeholder = _('any');
 423
 424
 425                 o = s.taboption('advanced', form.Value, 'dhcpleasemax',
 426                         _('<abbr title="maximal">Max.</abbr> <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr> leases'),
 427                         _('Maximum allowed number of active DHCP leases'));
 428
 429                 o.optional = true;
 430                 o.datatype = 'uinteger';
 431                 o.placeholder = _('unlimited');
 432
 433
 434                 o = s.taboption('advanced', form.Value, 'ednspacket_max',
 435                         _('<abbr title="maximal">Max.</abbr> <abbr title="Extension Mechanisms for Domain Name System">EDNS0</abbr> packet size'),
 436                         _('Maximum allowed size of EDNS.0 UDP packets'));
 437
 438                 o.optional = true;
 439                 o.datatype = 'uinteger';
 440                 o.placeholder = 1280;
 441
 442
 443                 o = s.taboption('advanced', form.Value, 'dnsforwardmax',
 444                         _('<abbr title="maximal">Max.</abbr> concurrent queries'),
 445                         _('Maximum allowed number of concurrent DNS queries'));
 446
 447                 o.optional = true;
 448                 o.datatype = 'uinteger';
 449                 o.placeholder = 150;
 450
 451                 o = s.taboption('advanced', form.Value, 'cachesize',
 452                         _('Size of DNS query cache'),
 453                         _('Number of cached DNS entries (max is 10000, 0 is no caching)'));
 454                 o.optional = true;
 455                 o.datatype = 'range(0,10000)';
 456                 o.placeholder = 150;
 457
 458                 s.taboption('tftp', form.Flag, 'enable_tftp',
 459                         _('Enable TFTP server')).optional = true;
 460
 461                 o = s.taboption('tftp', form.Value, 'tftp_root',
 462                         _('TFTP server root'),
 463                         _('Root directory for files served via TFTP'));
 464
 465                 o.optional = true;
 466                 o.depends('enable_tftp', '1');
 467                 o.placeholder = '/';
 468
 469
 470                 o = s.taboption('tftp', form.Value, 'dhcp_boot',
 471                         _('Network boot image'),
 472                         _('Filename of the boot image advertised to clients'));
 473
 474                 o.optional = true;
 475                 o.depends('enable_tftp', '1');
 476                 o.placeholder = 'pxelinux.0';
 477
 478                 o = s.taboption('general', form.Flag, 'localservice',
 479                         _('Local Service Only'),
 480                         _('Limit DNS service to subnets interfaces on which we are serving DNS.'));
 481                 o.optional = false;
 482                 o.rmempty = false;
 483
 484                 o = s.taboption('general', form.Flag, 'nonwildcard',
 485                         _('Non-wildcard'),
 486                         _('Bind dynamically to interfaces rather than wildcard address (recommended as linux default)'));
 487                 o.default = o.enabled;
 488                 o.optional = false;
 489                 o.rmempty = true;
 490
 491                 o = s.taboption('general', form.DynamicList, 'interface',
 492                         _('Listen Interfaces'),
 493                         _('Limit listening to these interfaces, and loopback.'));
 494                 o.optional = true;
 495
 496                 o = s.taboption('general', form.DynamicList, 'notinterface',
 497                         _('Exclude interfaces'),
 498                         _('Prevent listening on these interfaces.'));
 499                 o.optional = true;
 500
 501                 o = s.taboption('leases', form.SectionValue, '__leases__', form.GridSection, 'host', null,
 502                         _('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 />' +
 503                         _('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.'));
 504
 505                 ss = o.subsection;
 506
 507                 ss.addremove = true;
 508                 ss.anonymous = true;
 509
 510                 so = ss.option(form.Value, 'name', _('Hostname'));
 511                 so.validate = validateHostname;
 512                 so.rmempty  = true;
 513                 so.write = function(section, value) {
 514                         uci.set('dhcp', section, 'name', value);
 515                         uci.set('dhcp', section, 'dns', '1');
 516                 };
 517                 so.remove = function(section) {
 518                         uci.unset('dhcp', section, 'name');
 519                         uci.unset('dhcp', section, 'dns');
 520                 };
 521
 522                 so = ss.option(form.Value, 'mac', _('<abbr title="Media Access Control">MAC</abbr>-Address'));
 523                 so.datatype = 'list(macaddr)';
 524                 so.rmempty  = true;
 525                 so.cfgvalue = function(section) {
 526                         var macs = L.toArray(uci.get('dhcp', section, 'mac')),
 527                             result = [];
 528
 529                         for (var i = 0, mac; (mac = macs[i]) != null; i++)
 530                                 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))
 531                                         result.push('%02X:%02X:%02X:%02X:%02X:%02X'.format(
 532                                                 parseInt(RegExp.$1, 16), parseInt(RegExp.$2, 16),
 533                                                 parseInt(RegExp.$3, 16), parseInt(RegExp.$4, 16),
 534                                                 parseInt(RegExp.$5, 16), parseInt(RegExp.$6, 16)));
 535
 536                         return result.length ? result.join(' ') : null;
 537                 };
 538                 so.renderWidget = function(section_id, option_index, cfgvalue) {
 539                         var node = form.Value.prototype.renderWidget.apply(this, [section_id, option_index, cfgvalue]),
 540                             ipopt = this.section.children.filter(function(o) { return o.option == 'ip' })[0];
 541
 542                         node.addEventListener('cbi-dropdown-change', L.bind(function(ipopt, section_id, ev) {
 543                                 var mac = ev.detail.value.value;
 544                                 if (mac == null || mac == '' || !hosts[mac])
 545                                         return;
 546
 547                                 var iphint = L.toArray(hosts[mac].ipaddrs || hosts[mac].ipv4)[0];
 548                                 if (iphint == null)
 549                                         return;
 550
 551                                 var ip = ipopt.formvalue(section_id);
 552                                 if (ip != null && ip != '')
 553                                         return;
 554
 555                                 var node = ipopt.map.findElement('id', ipopt.cbid(section_id));
 556                                 if (node)
 557                                         dom.callClassMethod(node, 'setValue', iphint);
 558                         }, this, ipopt, section_id));
 559
 560                         return node;
 561                 };
 562                 so.validate = validateMACAddr.bind(so, pools);
 563                 Object.keys(hosts).forEach(function(mac) {
 564                         var hint = hosts[mac].name || L.toArray(hosts[mac].ipaddrs || hosts[mac].ipv4)[0];
 565                         so.value(mac, hint ? '%s (%s)'.format(mac, hint) : mac);
 566                 });
 567
 568                 so = ss.option(form.Value, 'ip', _('<abbr title="Internet Protocol Version 4">IPv4</abbr>-Address'));
 569                 so.datatype = 'or(ip4addr,"ignore")';
 570                 so.validate = function(section, value) {
 571                         var mac = this.map.lookupOption('mac', section),
 572                             name = this.map.lookupOption('name', section),
 573                             m = mac ? mac[0].formvalue(section) : null,
 574                             n = name ? name[0].formvalue(section) : null;
 575
 576                         if ((m == null || m == '') && (n == null || n == ''))
 577                                 return _('One of hostname or mac address must be specified!');
 578
 579                         if (value == null || value == '' || value == 'ignore')
 580                                 return true;
 581
 582                         var leases = uci.sections('dhcp', 'host');
 583
 584                         for (var i = 0; i < leases.length; i++)
 585                                 if (leases[i]['.name'] != section && leases[i].ip == value)
 586                                         return _('The IP address %h is already used by another static lease').format(value);
 587
 588
 589                         for (var i = 0; i < pools.length; i++) {
 590                                 var net_mask = calculateNetwork(value, pools[i].netmask);
 591
 592                                 if (net_mask && net_mask[0] == pools[i].network)
 593                                         return true;
 594                         }
 595
 596                         return _('The IP address is outside of any DHCP pool address range');
 597                 };
 598
 599                 var ipaddrs = {};
 600
 601                 Object.keys(hosts).forEach(function(mac) {
 602                         var addrs = L.toArray(hosts[mac].ipaddrs || hosts[mac].ipv4);
 603
 604                         for (var i = 0; i < addrs.length; i++)
 605                                 ipaddrs[addrs[i]] = hosts[mac].name;
 606                 });
 607
 608                 L.sortedKeys(ipaddrs, null, 'addr').forEach(function(ipv4) {
 609                         so.value(ipv4, ipaddrs[ipv4] ? '%s (%s)'.format(ipv4, ipaddrs[ipv4]) : ipv4);
 610                 });
 611
 612                 so = ss.option(form.Value, 'leasetime', _('Lease time'));
 613                 so.rmempty = true;
 614
 615                 so = ss.option(form.Value, 'duid', _('<abbr title="The DHCP Unique Identifier">DUID</abbr>'));
 616                 so.datatype = 'and(rangelength(20,36),hexstring)';
 617                 Object.keys(duids).forEach(function(duid) {
 618                         so.value(duid, '%s (%s)'.format(duid, duids[duid].hostname || duids[duid].macaddr || duids[duid].ip6addr || '?'));
 619                 });
 620
 621                 so = ss.option(form.Value, 'hostid', _('<abbr title="Internet Protocol Version 6">IPv6</abbr>-Suffix (hex)'));
 622
 623                 o = s.taboption('leases', CBILeaseStatus, '__status__');
 624
 625                 if (has_dhcpv6)
 626                         o = s.taboption('leases', CBILease6Status, '__status6__');
 627
 628                 return m.render().then(function(mapEl) {
 629                         poll.add(function() {
 630                                 return callDHCPLeases().then(function(leaseinfo) {
 631                                         var leases = Array.isArray(leaseinfo.dhcp_leases) ? leaseinfo.dhcp_leases : [],
 632                                             leases6 = Array.isArray(leaseinfo.dhcp6_leases) ? leaseinfo.dhcp6_leases : [];
 633
 634                                         cbi_update_table(mapEl.querySelector('#lease_status_table'),
 635                                                 leases.map(function(lease) {
 636                                                         var exp;
 637
 638                                                         if (lease.expires === false)
 639                                                                 exp = E('em', _('unlimited'));
 640                                                         else if (lease.expires <= 0)
 641                                                                 exp = E('em', _('expired'));
 642                                                         else
 643                                                                 exp = '%t'.format(lease.expires);
 644
 645                                                         return [
 646                                                                 lease.hostname || '?',
 647                                                                 lease.ipaddr,
 648                                                                 lease.macaddr,
 649                                                                 exp
 650                                                         ];
 651                                                 }),
 652                                                 E('em', _('There are no active leases')));
 653
 654                                         if (has_dhcpv6) {
 655                                                 cbi_update_table(mapEl.querySelector('#lease6_status_table'),
 656                                                         leases6.map(function(lease) {
 657                                                                 var exp;
 658
 659                                                                 if (lease.expires === false)
 660                                                                         exp = E('em', _('unlimited'));
 661                                                                 else if (lease.expires <= 0)
 662                                                                         exp = E('em', _('expired'));
 663                                                                 else
 664                                                                         exp = '%t'.format(lease.expires);
 665
 666                                                                 var hint = lease.macaddr ? hosts[lease.macaddr] : null,
 667                                                                     name = hint ? (hint.name || L.toArray(hint.ipaddrs || hint.ipv4)[0] || L.toArray(hint.ip6addrs || hint.ipv6)[0]) : null,
 668                                                                     host = null;
 669
 670                                                                 if (name && lease.hostname && lease.hostname != name && lease.ip6addr != name)
 671                                                                         host = '%s (%s)'.format(lease.hostname, name);
 672                                                                 else if (lease.hostname)
 673                                                                         host = lease.hostname;
 674                                                                 else if (name)
 675                                                                         host = name;
 676
 677                                                                 return [
 678                                                                         host || '-',
 679                                                                         lease.ip6addrs ? lease.ip6addrs.join(' ') : lease.ip6addr,
 680                                                                         lease.duid,
 681                                                                         exp
 682                                                                 ];
 683                                                         }),
 684                                                         E('em', _('There are no active leases')));
 685                                         }
 686                                 });
 687                         });
 688
 689                         return mapEl;
 690                 });
 691         }
 692 });