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 'require tools.widgets as widgets';
  11
  12 var callHostHints, callDUIDHints, callDHCPLeases, CBILeaseStatus, CBILease6Status;
  13
  14 callHostHints = rpc.declare({
  15         object: 'luci-rpc',
  16         method: 'getHostHints',
  17         expect: { '': {} }
  18 });
  19
  20 callDUIDHints = rpc.declare({
  21         object: 'luci-rpc',
  22         method: 'getDUIDHints',
  23         expect: { '': {} }
  24 });
  25
  26 callDHCPLeases = rpc.declare({
  27         object: 'luci-rpc',
  28         method: 'getDHCPLeases',
  29         expect: { '': {} }
  30 });
  31
  32 CBILeaseStatus = form.DummyValue.extend({
  33         renderWidget: function(section_id, option_id, cfgvalue) {
  34                 return E([
  35                         E('h4', _('Active DHCP Leases')),
  36                         E('table', { 'id': 'lease_status_table', 'class': 'table' }, [
  37                                 E('tr', { 'class': 'tr table-titles' }, [
  38                                         E('th', { 'class': 'th' }, _('Hostname')),
  39                                         E('th', { 'class': 'th' }, _('IPv4 address')),
  40                                         E('th', { 'class': 'th' }, _('MAC address')),
  41                                         E('th', { 'class': 'th' }, _('Lease time remaining'))
  42                                 ]),
  43                                 E('tr', { 'class': 'tr placeholder' }, [
  44                                         E('td', { 'class': 'td' }, E('em', _('Collecting data...')))
  45                                 ])
  46                         ])
  47                 ]);
  48         }
  49 });
  50
  51 CBILease6Status = form.DummyValue.extend({
  52         renderWidget: function(section_id, option_id, cfgvalue) {
  53                 return E([
  54                         E('h4', _('Active DHCPv6 Leases')),
  55                         E('table', { 'id': 'lease6_status_table', 'class': 'table' }, [
  56                                 E('tr', { 'class': 'tr table-titles' }, [
  57                                         E('th', { 'class': 'th' }, _('Host')),
  58                                         E('th', { 'class': 'th' }, _('IPv6 address')),
  59                                         E('th', { 'class': 'th' }, _('DUID')),
  60                                         E('th', { 'class': 'th' }, _('Lease time remaining'))
  61                                 ]),
  62                                 E('tr', { 'class': 'tr placeholder' }, [
  63                                         E('td', { 'class': 'td' }, E('em', _('Collecting data...')))
  64                                 ])
  65                         ])
  66                 ]);
  67         }
  68 });
  69
  70 function calculateNetwork(addr, mask) {
  71         addr = validation.parseIPv4(String(addr));
  72
  73         if (!isNaN(mask))
  74                 mask = validation.parseIPv4(network.prefixToMask(+mask));
  75         else
  76                 mask = validation.parseIPv4(String(mask));
  77
  78         if (addr == null || mask == null)
  79                 return null;
  80
  81         return [
  82                 [
  83                         addr[0] & (mask[0] >>> 0 & 255),
  84                         addr[1] & (mask[1] >>> 0 & 255),
  85                         addr[2] & (mask[2] >>> 0 & 255),
  86                         addr[3] & (mask[3] >>> 0 & 255)
  87                 ].join('.'),
  88                 mask.join('.')
  89         ];
  90 }
  91
  92 function getDHCPPools() {
  93         return uci.load('dhcp').then(function() {
  94                 let sections = uci.sections('dhcp', 'dhcp'),
  95                     tasks = [], pools = [];
  96
  97                 for (var i = 0; i < sections.length; i++) {
  98                         if (sections[i].ignore == '1' || !sections[i].interface)
  99                                 continue;
 100
 101                         tasks.push(network.getNetwork(sections[i].interface).then(L.bind(function(section_id, net) {
 102                                 var cidr = net ? (net.getIPAddrs()[0] || '').split('/') : null;
 103
 104                                 if (cidr && cidr.length == 2) {
 105                                         var net_mask = calculateNetwork(cidr[0], cidr[1]);
 106
 107                                         pools.push({
 108                                                 section_id: section_id,
 109                                                 network: net_mask[0],
 110                                                 netmask: net_mask[1]
 111                                         });
 112                                 }
 113                         }, null, sections[i]['.name'])));
 114                 }
 115
 116                 return Promise.all(tasks).then(function() {
 117                         return pools;
 118                 });
 119         });
 120 }
 121
 122 function validateHostname(sid, s) {
 123         if (s == null || s == '')
 124                 return true;
 125
 126         if (s.length > 256)
 127                 return _('Expecting: %s').format(_('valid hostname'));
 128
 129         var labels = s.replace(/^\*?\.?|\.$/g, '').split(/\./);
 130
 131         for (var i = 0; i < labels.length; i++)
 132                 if (!labels[i].match(/^[a-z0-9_](?:[a-z0-9-]{0,61}[a-z0-9])?$/i))
 133                         return _('Expecting: %s').format(_('valid hostname'));
 134
 135         return true;
 136 }
 137
 138 function validateAddressList(sid, s) {
 139         if (s == null || s == '')
 140                 return true;
 141
 142         var m = s.match(/^\/(.+)\/$/),
 143             names = m ? m[1].split(/\//) : [ s ];
 144
 145         for (var i = 0; i < names.length; i++) {
 146                 var res = validateHostname(sid, names[i]);
 147
 148                 if (res !== true)
 149                         return res;
 150         }
 151
 152         return true;
 153 }
 154
 155 function validateServerSpec(sid, s) {
 156         if (s == null || s == '')
 157                 return true;
 158
 159         var m = s.match(/^(\/.*\/)?(.*)$/);
 160         if (!m)
 161                 return _('Expecting: %s').format(_('valid hostname'));
 162
 163         if (m[1] != '//' && m[1] != '/#/') {
 164                 var res = validateAddressList(sid, m[1]);
 165                 if (res !== true)
 166                         return res;
 167         }
 168
 169         if (m[2] == '' || m[2] == '#')
 170                 return true;
 171
 172         // ipaddr%scopeid#srvport@source@interface#srcport
 173
 174         m = m[2].match(/^([0-9a-f:.]+)(?:%[^#@]+)?(?:#(\d+))?(?:@([0-9a-f:.]+)(?:@[^#]+)?(?:#(\d+))?)?$/);
 175
 176         if (!m)
 177                 return _('Expecting: %s').format(_('valid IP address'));
 178
 179         if (validation.parseIPv4(m[1])) {
 180                 if (m[3] != null && !validation.parseIPv4(m[3]))
 181                         return _('Expecting: %s').format(_('valid IPv4 address'));
 182         }
 183         else if (validation.parseIPv6(m[1])) {
 184                 if (m[3] != null && !validation.parseIPv6(m[3]))
 185                         return _('Expecting: %s').format(_('valid IPv6 address'));
 186         }
 187         else {
 188                 return _('Expecting: %s').format(_('valid IP address'));
 189         }
 190
 191         if ((m[2] != null && +m[2] > 65535) || (m[4] != null && +m[4] > 65535))
 192                 return _('Expecting: %s').format(_('valid port value'));
 193
 194         return true;
 195 }
 196
 197 function validateMACAddr(pools, sid, s) {
 198         if (s == null || s == '')
 199                 return true;
 200
 201         var leases = uci.sections('dhcp', 'host'),
 202             this_macs = L.toArray(s).map(function(m) { return m.toUpperCase() });
 203
 204         for (var i = 0; i < pools.length; i++) {
 205                 var this_net_mask = calculateNetwork(this.section.formvalue(sid, 'ip'), pools[i].netmask);
 206
 207                 if (!this_net_mask)
 208                         continue;
 209
 210                 for (var j = 0; j < leases.length; j++) {
 211                         if (leases[j]['.name'] == sid || !leases[j].ip)
 212                                 continue;
 213
 214                         var lease_net_mask = calculateNetwork(leases[j].ip, pools[i].netmask);
 215
 216                         if (!lease_net_mask || this_net_mask[0] != lease_net_mask[0])
 217                                 continue;
 218
 219                         var lease_macs = L.toArray(leases[j].mac).map(function(m) { return m.toUpperCase() });
 220
 221                         for (var k = 0; k < lease_macs.length; k++)
 222                                 for (var l = 0; l < this_macs.length; l++)
 223                                         if (lease_macs[k] == this_macs[l])
 224                                                 return _('The MAC address %h is already used by another static lease in the same DHCP pool').format(this_macs[l]);
 225                 }
 226         }
 227
 228         return true;
 229 }
 230
 231 return view.extend({
 232         load: function() {
 233                 return Promise.all([
 234                         callHostHints(),
 235                         callDUIDHints(),
 236                         getDHCPPools(),
 237                         network.getNetworks()
 238                 ]);
 239         },
 240
 241         render: function(hosts_duids_pools) {
 242                 var has_dhcpv6 = L.hasSystemFeature('dnsmasq', 'dhcpv6') || L.hasSystemFeature('odhcpd'),
 243                     hosts = hosts_duids_pools[0],
 244                     duids = hosts_duids_pools[1],
 245                     pools = hosts_duids_pools[2],
 246                     networks = hosts_duids_pools[3],
 247                     m, s, o, ss, so;
 248
 249                 m = new form.Map('dhcp', _('DHCP and DNS'),
 250                         _('Dnsmasq is a lightweight <abbr title="Dynamic Host Configuration Protocol">DHCP</abbr> server and <abbr title="Domain Name System">DNS</abbr> forwarder.'));
 251
 252                 s = m.section(form.TypedSection, 'dnsmasq');
 253                 s.anonymous = true;
 254                 s.addremove = false;
 255
 256                 s.tab('general', _('General Settings'));
 257                 s.tab('relay', _('Relay'));
 258                 s.tab('files', _('Resolv and Hosts Files'));
 259                 s.tab('pxe_tftp', _('PXE/TFTP Settings'));
 260                 s.tab('advanced', _('Advanced Settings'));
 261                 s.tab('leases', _('Static Leases'));
 262                 s.tab('hosts', _('Hostnames'));
 263                 s.tab('srvhosts', _('SRV'));
 264                 s.tab('mxhosts', _('MX'));
 265                 s.tab('ipsets', _('IP Sets'));
 266
 267                 s.taboption('general', form.Flag, 'domainneeded',
 268                         _('Domain required'),
 269                         _('Do not forward DNS queries without dots or domain parts.'));
 270
 271                 s.taboption('general', form.Flag, 'authoritative',
 272                         _('Authoritative'),
 273                         _('This is the only DHCP server in the local network.'));
 274
 275                 s.taboption('general', form.Value, 'local',
 276                         _('Local server'),
 277                         _('Never forward matching domains and subdomains, resolve from DHCP or hosts files only.'));
 278
 279                 s.taboption('general', form.Value, 'domain',
 280                         _('Local domain'),
 281                         _('Local domain suffix appended to DHCP names and hosts file entries.'));
 282
 283                 o = s.taboption('general', form.Flag, 'logqueries',
 284                         _('Log queries'),
 285                         _('Write received DNS queries to syslog.'));
 286                 o.optional = true;
 287
 288                 o = s.taboption('general', form.DynamicList, 'server',
 289                         _('DNS forwardings'),
 290                         _('List of upstream resolvers to forward queries to.'));
 291                 o.optional = true;
 292                 o.placeholder = '/example.org/10.1.2.3';
 293                 o.validate = validateServerSpec;
 294
 295                 o = s.taboption('general', form.DynamicList, 'address',
 296                         _('Addresses'),
 297                         _('Resolve specified FQDNs to an IP.') + '<br />' +
 298                         _('Syntax: <code>/fqdn[/fqdn…]/[ipaddr]</code>.') + '<br />' +
 299                         _('<code>/#/</code> matches any domain. <code>/example.com/</code> returns NXDOMAIN.') + '<br />' +
 300                         _('<code>/example.com/#</code> returns NULL addresses (<code>0.0.0.0</code> and <code>::</code>) for example.com and its subdomains.'));
 301                 o.optional = true;
 302                 o.placeholder = '/router.local/router.lan/192.168.0.1';
 303
 304                 o = s.taboption('general', form.DynamicList, 'ipset',
 305                         _('IP sets'),
 306                         _('List of IP sets to populate with the IPs of DNS lookup results of the FQDNs also specified here.'));
 307                 o.optional = true;
 308                 o.placeholder = '/example.org/ipset,ipset6';
 309
 310                 o = s.taboption('general', form.Flag, 'rebind_protection',
 311                         _('Rebind protection'),
 312                         _('Discard upstream responses containing <a href="%s">RFC1918</a> addresses.').format('https://www.rfc-editor.org/rfc/rfc1918') + '<br />' +
 313                         _('Discard also upstream responses containing <a href="%s">RFC4193</a>, Link-Local and private IPv4-Mapped <a href="%s">RFC4291</a> IPv6 Addresses.').format('https://www.rfc-editor.org/rfc/rfc4193', 'https://www.rfc-editor.org/rfc/rfc4291'));
 314                 o.rmempty = false;
 315
 316                 o = s.taboption('general', form.Flag, 'rebind_localhost',
 317                         _('Allow localhost'),
 318                         _('Exempt <code>127.0.0.0/8</code> and <code>::1</code> from rebinding checks, e.g. for RBL services.'));
 319                 o.depends('rebind_protection', '1');
 320
 321                 o = s.taboption('general', form.DynamicList, 'rebind_domain',
 322                         _('Domain whitelist'),
 323                         _('List of domains to allow RFC1918 responses for.'));
 324                 o.depends('rebind_protection', '1');
 325                 o.optional = true;
 326                 o.placeholder = 'ihost.netflix.com';
 327                 o.validate = validateAddressList;
 328
 329                 o = s.taboption('general', form.Flag, 'localservice',
 330                         _('Local service only'),
 331                         _('Accept DNS queries only from hosts whose address is on a local subnet.'));
 332                 o.optional = false;
 333                 o.rmempty = false;
 334
 335                 o = s.taboption('general', form.Flag, 'nonwildcard',
 336                         _('Non-wildcard'),
 337                         _('Bind dynamically to interfaces rather than wildcard address.'));
 338                 o.default = o.enabled;
 339                 o.optional = false;
 340                 o.rmempty = true;
 341
 342                 o = s.taboption('general', widgets.NetworkSelect, 'interface',
 343                         _('Listen interfaces'),
 344                         _('Listen only on the specified interfaces, and loopback if not excluded explicitly.'));
 345                 o.multiple = true;
 346                 o.nocreate = true;
 347
 348                 o = s.taboption('general', widgets.NetworkSelect, 'notinterface',
 349                         _('Exclude interfaces'),
 350                         _('Do not listen on the specified interfaces.'));
 351                 o.loopback = true;
 352                 o.multiple = true;
 353                 o.nocreate = true;
 354
 355                 o = s.taboption('relay', form.SectionValue, '__relays__', form.TableSection, 'relay', null,
 356                         _('Relay DHCP requests elsewhere. OK: v4↔v4, v6↔v6. Not OK: v4↔v6, v6↔v4.')
 357                         + '<br />' + _('Note: you may also need a DHCP Proxy (currently unavailable) when specifying a non-standard Relay To port(<code>addr#port</code>).')
 358                         + '<br />' + _('You may add multiple unique Relay To on the same Listen addr.'));
 359
 360                 ss = o.subsection;
 361
 362                 ss.addremove = true;
 363                 ss.anonymous = true;
 364                 ss.sortable  = true;
 365                 ss.rowcolors = true;
 366                 ss.nodescriptions = true;
 367
 368                 so = ss.option(form.Value, 'local_addr', _('Relay from'));
 369                 so.rmempty = false;
 370                 so.datatype = 'ipaddr';
 371
 372                 for (var family = 4; family <= 6; family += 2) {
 373                         for (var i = 0; i < networks.length; i++) {
 374                                 if (networks[i].getName() != 'loopback') {
 375                                         var addrs = (family == 6) ? networks[i].getIP6Addrs() : networks[i].getIPAddrs();
 376                                         for (var j = 0; j < addrs.length; j++) {
 377                                                 var addr = addrs[j].split('/')[0];
 378                                                 so.value(addr, E([], [
 379                                                         addr, ' (',
 380                                                         widgets.NetworkSelect.prototype.renderIfaceBadge(networks[i]),
 381                                                         ')'
 382                                                 ]));
 383                                         }
 384                                 }
 385                         }
 386                 }
 387
 388                 so = ss.option(form.Value, 'server_addr', _('Relay to address'));
 389                 so.rmempty = false;
 390                 so.optional = false;
 391                 so.placeholder = '192.168.10.1#535';
 392
 393                 so.validate = function(section, value) {
 394                         var m = this.section.formvalue(section, 'local_addr'),
 395                             n = this.section.formvalue(section, 'server_addr'),
 396                             p;
 397
 398                         if (!m || !n) {
 399                                 return _('Both "Relay from" and "Relay to address" must be specified.');
 400                         }
 401                         else {
 402                                 p = n.split('#');
 403                                 if (p.length > 1 && !/^[0-9]+$/.test(p[1]))
 404                                         return _('Expected port number.');
 405                                 else
 406                                         n = p[0];
 407
 408                                 if ((validation.parseIPv6(m) && validation.parseIPv6(n)) ||
 409                                         validation.parseIPv4(m) && validation.parseIPv4(n))
 410                                         return true;
 411                                 else
 412                                         return _('Address families of "Relay from" and "Relay to address" must match.')
 413                         }
 414                         return true;
 415                 };
 416
 417                 so = ss.option(widgets.NetworkSelect, 'interface', _('Only accept replies via'));
 418                 so.optional = true;
 419                 so.rmempty = false;
 420                 so.placeholder = 'lan';
 421
 422                 s.taboption('files', form.Flag, 'readethers',
 423                         _('Use <code>/etc/ethers</code>'),
 424                         _('Read <code>/etc/ethers</code> to configure the DHCP server.'));
 425
 426                 s.taboption('files', form.Value, 'leasefile',
 427                         _('Lease file'),
 428                         _('File to store DHCP lease information.'));
 429
 430                 o = s.taboption('files', form.Flag, 'noresolv',
 431                         _('Ignore resolv file'));
 432                 o.optional = true;
 433
 434                 o = s.taboption('files', form.Value, 'resolvfile',
 435                         _('Resolv file'),
 436                         _('File with upstream resolvers.'));
 437                 o.depends('noresolv', '0');
 438                 o.placeholder = '/tmp/resolv.conf.d/resolv.conf.auto';
 439                 o.optional = true;
 440
 441                 o = s.taboption('files', form.Flag, 'nohosts',
 442                         _('Ignore <code>/etc/hosts</code>'));
 443                 o.optional = true;
 444
 445                 o = s.taboption('files', form.DynamicList, 'addnhosts',
 446                         _('Additional hosts files'));
 447                 o.optional = true;
 448                 o.placeholder = '/etc/dnsmasq.hosts';
 449
 450                 o = s.taboption('advanced', form.Flag, 'quietdhcp',
 451                         _('Suppress logging'),
 452                         _('Suppress logging of the routine operation for the DHCP protocol.'));
 453                 o.optional = true;
 454
 455                 o = s.taboption('advanced', form.Flag, 'sequential_ip',
 456                         _('Allocate IPs sequentially'),
 457                         _('Allocate IP addresses sequentially, starting from the lowest available address.'));
 458                 o.optional = true;
 459
 460                 o = s.taboption('advanced', form.Flag, 'boguspriv',
 461                         _('Filter private'),
 462                         _('Do not forward reverse lookups for local networks.'));
 463                 o.default = o.enabled;
 464
 465                 s.taboption('advanced', form.Flag, 'filterwin2k',
 466                         _('Filter SRV/SOA service discovery'),
 467                         _('Filters SRV/SOA service discovery, to avoid triggering dial-on-demand links.') + '<br />' +
 468                         _('May prevent VoIP or other services from working.'));
 469
 470                 o = s.taboption('advanced', form.Flag, 'filter_aaaa',
 471                         _('Filter IPv6 AAAA records'),
 472                         _('Remove IPv6 addresses from the results and only return IPv4 addresses.') + '<br />' +
 473                         _('Can be useful if ISP has IPv6 nameservers but does not provide IPv6 routing.'));
 474                 o.optional = true;
 475
 476                 o = s.taboption('advanced', form.Flag, 'filter_a',
 477                         _('Filter IPv4 A records'),
 478                         _('Remove IPv4 addresses from the results and only return IPv6 addresses.'));
 479                 o.optional = true;
 480
 481                 s.taboption('advanced', form.Flag, 'localise_queries',
 482                         _('Localise queries'),
 483                         _('Return answers to DNS queries matching the subnet from which the query was received if multiple IPs are available.'));
 484
 485                 if (L.hasSystemFeature('dnsmasq', 'dnssec')) {
 486                         o = s.taboption('advanced', form.Flag, 'dnssec',
 487                                 _('DNSSEC'),
 488                                 _('Validate DNS replies and cache DNSSEC data, requires upstream to support DNSSEC.'));
 489                         o.optional = true;
 490
 491                         o = s.taboption('advanced', form.Flag, 'dnsseccheckunsigned',
 492                                 _('DNSSEC check unsigned'),
 493                                 _('Verify unsigned domain responses really come from unsigned domains.'));
 494                         o.default = o.enabled;
 495                         o.optional = true;
 496                 }
 497
 498                 s.taboption('advanced', form.Flag, 'expandhosts',
 499                         _('Expand hosts'),
 500                         _('Add local domain suffix to names served from hosts files.'));
 501
 502                 s.taboption('advanced', form.Flag, 'nonegcache',
 503                         _('No negative cache'),
 504                         _('Do not cache negative replies, e.g. for non-existent domains.'));
 505
 506                 o = s.taboption('advanced', form.Value, 'serversfile',
 507                         _('Additional servers file'),
 508                         _('File listing upstream resolvers, optionally domain-specific, e.g. <code>server=1.2.3.4</code>, <code>server=/domain/1.2.3.4</code>.'));
 509                 o.placeholder = '/etc/dnsmasq.servers';
 510
 511                 o = s.taboption('advanced', form.Flag, 'strictorder',
 512                         _('Strict order'),
 513                         _('Upstream resolvers will be queried in the order of the resolv file.'));
 514                 o.optional = true;
 515
 516                 o = s.taboption('advanced', form.Flag, 'allservers',
 517                         _('All servers'),
 518                         _('Query all available upstream resolvers.'));
 519                 o.optional = true;
 520
 521                 o = s.taboption('advanced', form.DynamicList, 'bogusnxdomain',
 522                         _('IPs to override with NXDOMAIN'),
 523                         _('List of IP addresses to convert into NXDOMAIN responses.'));
 524                 o.optional = true;
 525                 o.placeholder = '64.94.110.11';
 526
 527                 o = s.taboption('advanced', form.Value, 'port',
 528                         _('DNS server port'),
 529                         _('Listening port for inbound DNS queries.'));
 530                 o.optional = true;
 531                 o.datatype = 'port';
 532                 o.placeholder = 53;
 533
 534                 o = s.taboption('advanced', form.Value, 'queryport',
 535                         _('DNS query port'),
 536                         _('Fixed source port for outbound DNS queries.'));
 537                 o.optional = true;
 538                 o.datatype = 'port';
 539                 o.placeholder = _('any');
 540
 541                 o = s.taboption('advanced', form.Value, 'dhcpleasemax',
 542                         _('Max. DHCP leases'),
 543                         _('Maximum allowed number of active DHCP leases.'));
 544                 o.optional = true;
 545                 o.datatype = 'uinteger';
 546                 o.placeholder = _('unlimited');
 547
 548                 o = s.taboption('advanced', form.Value, 'ednspacket_max',
 549                         _('Max. EDNS0 packet size'),
 550                         _('Maximum allowed size of EDNS0 UDP packets.'));
 551                 o.optional = true;
 552                 o.datatype = 'uinteger';
 553                 o.placeholder = 1280;
 554
 555                 o = s.taboption('advanced', form.Value, 'dnsforwardmax',
 556                         _('Max. concurrent queries'),
 557                         _('Maximum allowed number of concurrent DNS queries.'));
 558                 o.optional = true;
 559                 o.datatype = 'uinteger';
 560                 o.placeholder = 150;
 561
 562                 o = s.taboption('advanced', form.Value, 'cachesize',
 563                         _('Size of DNS query cache'),
 564                         _('Number of cached DNS entries, 10000 is maximum, 0 is no caching.'));
 565                 o.optional = true;
 566                 o.datatype = 'range(0,10000)';
 567                 o.placeholder = 150;
 568
 569                 o = s.taboption('pxe_tftp', form.Flag, 'enable_tftp',
 570                         _('Enable TFTP server'),
 571                         _('Enable the built-in single-instance TFTP server.'));
 572                 o.optional = true;
 573
 574                 o = s.taboption('pxe_tftp', form.Value, 'tftp_root',
 575                         _('TFTP server root'),
 576                         _('Root directory for files served via TFTP. <em>Enable TFTP server</em> and <em>TFTP server root</em> turn on the TFTP server and serve files from <em>TFTP server root</em>.'));
 577                 o.depends('enable_tftp', '1');
 578                 o.optional = true;
 579                 o.placeholder = '/';
 580
 581                 o = s.taboption('pxe_tftp', form.Value, 'dhcp_boot',
 582                         _('Network boot image'),
 583                         _('Filename of the boot image advertised to clients.'));
 584                 o.depends('enable_tftp', '1');
 585                 o.optional = true;
 586                 o.placeholder = 'pxelinux.0';
 587
 588                 /* PXE - https://openwrt.org/docs/guide-user/base-system/dhcp#booting_options */
 589                 o = s.taboption('pxe_tftp', form.SectionValue, '__pxe__', form.GridSection, 'boot', null,
 590                         _('Special <abbr title="Preboot eXecution Environment">PXE</abbr> boot options for Dnsmasq.'));
 591                 ss = o.subsection;
 592                 ss.addremove = true;
 593                 ss.anonymous = true;
 594                 ss.nodescriptions = true;
 595
 596                 so = ss.option(form.Value, 'filename',
 597                         _('Filename'),
 598                         _('Host requests this filename from the boot server.'));
 599                 so.optional = false;
 600                 so.placeholder = 'pxelinux.0';
 601
 602                 so = ss.option(form.Value, 'servername',
 603                         _('Server name'),
 604                         _('The hostname of the boot server'));
 605                 so.optional = false;
 606                 so.placeholder = 'myNAS';
 607
 608                 so = ss.option(form.Value, 'serveraddress',
 609                         _('Server address'),
 610                         _('The IP address of the boot server'));
 611                 so.optional = false;
 612                 so.placeholder = '192.168.1.2';
 613
 614                 so = ss.option(form.DynamicList, 'dhcp_option',
 615                         _('DHCP Options'),
 616                         _('Options for the Network-ID. (Note: needs also Network-ID.) E.g. "<code>42,192.168.1.4</code>" for NTP server, "<code>3,192.168.4.4</code>" for default route. <code>0.0.0.0</code> means "the address of the system running dnsmasq".'));
 617                 so.optional = true;
 618                 so.placeholder = '42,192.168.1.4';
 619
 620                 so = ss.option(widgets.DeviceSelect, 'networkid',
 621                         _('Network-ID'),
 622                         _('Apply DHCP Options to this net. (Empty = all clients).'));
 623                 so.optional = true;
 624                 so.noaliases = true;
 625
 626                 so = ss.option(form.Flag, 'force',
 627                         _('Force'),
 628                         _('Always send DHCP Options. Sometimes needed, with e.g. PXELinux.'));
 629                 so.optional = true;
 630
 631                 so = ss.option(form.Value, 'instance',
 632                         _('Instance'),
 633                         _('Dnsmasq instance to which this boot section is bound. If unspecified, the section is valid for all dnsmasq instances.'));
 634                 so.optional = true;
 635
 636                 Object.values(L.uci.sections('dhcp', 'dnsmasq')).forEach(function(val, index) {
 637                         so.value(index, '%s (Domain: %s, Local: %s)'.format(index, val.domain || '?', val.local || '?'));
 638                 });
 639
 640                 o = s.taboption('srvhosts', form.SectionValue, '__srvhosts__', form.TableSection, 'srvhost', null,
 641                         _('Bind service records to a domain name: specify the location of services. See <a href="%s">RFC2782</a>.').format('https://datatracker.ietf.org/doc/html/rfc2782')
 642                         + '<br />' + _('_service: _sip, _ldap, _imap, _stun, _xmpp-client, … . (Note: while _http is possible, no browsers support SRV records.)')
 643                         + '<br />' + _('_proto: _tcp, _udp, _sctp, _quic, … .')
 644                         + '<br />' + _('You may add multiple records for the same Target.')
 645                         + '<br />' + _('Larger weights (of the same prio) are given a proportionately higher probability of being selected.'));
 646
 647                 ss = o.subsection;
 648
 649                 ss.addremove = true;
 650                 ss.anonymous = true;
 651                 ss.sortable  = true;
 652                 ss.rowcolors = true;
 653
 654                 so = ss.option(form.Value, 'srv', _('SRV'), _('Syntax: <code>_service._proto.example.com</code>.'));
 655                 so.rmempty = false;
 656                 so.datatype = 'hostname';
 657                 so.placeholder = '_sip._tcp.example.com';
 658
 659                 so = ss.option(form.Value, 'target', _('Target'), _('CNAME or fqdn'));
 660                 so.rmempty = false;
 661                 so.datatype = 'hostname';
 662                 so.placeholder = 'sip.example.com';
 663
 664                 so = ss.option(form.Value, 'port', _('Port'));
 665                 so.rmempty = false;
 666                 so.datatype = 'port';
 667                 so.placeholder = '5060';
 668
 669                 so = ss.option(form.Value, 'class', _('Priority'), _('Ordinal: lower comes first.'));
 670                 so.rmempty = true;
 671                 so.datatype = 'range(0,65535)';
 672                 so.placeholder = '10';
 673
 674                 so = ss.option(form.Value, 'weight', _('Weight'));
 675                 so.rmempty = true;
 676                 so.datatype = 'range(0,65535)';
 677                 so.placeholder = '50';
 678
 679                 o = s.taboption('mxhosts', form.SectionValue, '__mxhosts__', form.TableSection, 'mxhost', null,
 680                         _('Bind service records to a domain name: specify the location of services.')
 681                          + '<br />' + _('You may add multiple records for the same domain.'));
 682
 683                 ss = o.subsection;
 684
 685                 ss.addremove = true;
 686                 ss.anonymous = true;
 687                 ss.sortable  = true;
 688                 ss.rowcolors = true;
 689                 ss.nodescriptions = true;
 690
 691                 so = ss.option(form.Value, 'domain', _('Domain'));
 692                 so.rmempty = false;
 693                 so.datatype = 'hostname';
 694                 so.placeholder = 'example.com';
 695
 696                 so = ss.option(form.Value, 'relay', _('Relay'));
 697                 so.rmempty = false;
 698                 so.datatype = 'hostname';
 699                 so.placeholder = 'relay.example.com';
 700
 701                 so = ss.option(form.Value, 'pref', _('Priority'), _('Ordinal: lower comes first.'));
 702                 so.rmempty = true;
 703                 so.datatype = 'range(0,65535)';
 704                 so.placeholder = '0';
 705
 706                 o = s.taboption('hosts', form.SectionValue, '__hosts__', form.GridSection, 'domain', null,
 707                         _('Hostnames are used to bind a domain name to an IP address. This setting is redundant for hostnames already configured with static leases, but it can be useful to rebind an FQDN.'));
 708
 709                 ss = o.subsection;
 710
 711                 ss.addremove = true;
 712                 ss.anonymous = true;
 713                 ss.sortable  = true;
 714
 715                 so = ss.option(form.Value, 'name', _('Hostname'));
 716                 so.rmempty = false;
 717                 so.datatype = 'hostname';
 718
 719                 so = ss.option(form.Value, 'ip', _('IP address'));
 720                 so.rmempty = false;
 721                 so.datatype = 'ipaddr';
 722
 723                 var ipaddrs = {};
 724
 725                 Object.keys(hosts).forEach(function(mac) {
 726                         var addrs = L.toArray(hosts[mac].ipaddrs || hosts[mac].ipv4);
 727
 728                         for (var i = 0; i < addrs.length; i++)
 729                                 ipaddrs[addrs[i]] = hosts[mac].name || mac;
 730                 });
 731
 732                 L.sortedKeys(ipaddrs, null, 'addr').forEach(function(ipv4) {
 733                         so.value(ipv4, '%s (%s)'.format(ipv4, ipaddrs[ipv4]));
 734                 });
 735
 736                 o = s.taboption('ipsets', form.SectionValue, '__ipsets__', form.GridSection, 'ipset', null,
 737                         _('List of IP sets to populate with the IPs of DNS lookup results of the FQDNs also specified here.') + '<br />' +
 738                         _('The netfilter components below are only regarded when running fw4.'));
 739
 740                 ss = o.subsection;
 741
 742                 ss.addremove = true;
 743                 ss.anonymous = true;
 744                 ss.sortable  = true;
 745                 ss.rowcolors = true;
 746                 ss.nodescriptions = true;
 747                 ss.modaltitle = _('Edit IP set');
 748
 749                 so = ss.option(form.DynamicList, 'name', _('Name of the set'));
 750                 so.rmempty = false;
 751                 so.editable = true;
 752                 so.datatype = 'string';
 753
 754                 so = ss.option(form.DynamicList, 'domain', _('FQDN'));
 755                 so.rmempty = false;
 756                 so.editable = true;
 757                 so.datatype = 'hostname';
 758
 759                 so = ss.option(form.Value, 'table', _('Netfilter table name'), _('Defaults to fw4.'));
 760                 so.editable = true;
 761                 so.placeholder = 'fw4';
 762                 so.rmempty = true;
 763
 764                 so = ss.option(form.ListValue, 'table_family', _('Table IP family'), _('Defaults to IPv4+6.') + ' ' + _('Can be hinted by adding 4 or 6 to the name.') + '<br />' +
 765                         _('Adding an IPv6 to an IPv4 set and vice-versa silently fails.'));
 766                 so.editable = true;
 767                 so.rmempty = true;
 768                 so.value('inet', _('IPv4+6'));
 769                 so.value('ip', _('IPv4'));
 770                 so.value('ip6', _('IPv6'));
 771
 772                 o = s.taboption('leases', form.SectionValue, '__leases__', form.GridSection, 'host', null,
 773                         _('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 />' +
 774                         _('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.'));
 775
 776                 ss = o.subsection;
 777
 778                 ss.addremove = true;
 779                 ss.anonymous = true;
 780                 ss.sortable = true;
 781
 782                 so = ss.option(form.Value, 'name', _('Hostname'));
 783                 so.validate = validateHostname;
 784                 so.rmempty  = true;
 785                 so.write = function(section, value) {
 786                         uci.set('dhcp', section, 'name', value);
 787                         uci.set('dhcp', section, 'dns', '1');
 788                 };
 789                 so.remove = function(section) {
 790                         uci.unset('dhcp', section, 'name');
 791                         uci.unset('dhcp', section, 'dns');
 792                 };
 793
 794                 so = ss.option(form.Value, 'mac', _('MAC address'));
 795                 so.datatype = 'list(macaddr)';
 796                 so.rmempty  = true;
 797                 so.cfgvalue = function(section) {
 798                         var macs = L.toArray(uci.get('dhcp', section, 'mac')),
 799                             result = [];
 800
 801                         for (var i = 0, mac; (mac = macs[i]) != null; i++)
 802                                 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))
 803                                         result.push('%02X:%02X:%02X:%02X:%02X:%02X'.format(
 804                                                 parseInt(RegExp.$1, 16), parseInt(RegExp.$2, 16),
 805                                                 parseInt(RegExp.$3, 16), parseInt(RegExp.$4, 16),
 806                                                 parseInt(RegExp.$5, 16), parseInt(RegExp.$6, 16)));
 807
 808                         return result.length ? result.join(' ') : null;
 809                 };
 810                 so.renderWidget = function(section_id, option_index, cfgvalue) {
 811                         var node = form.Value.prototype.renderWidget.apply(this, [section_id, option_index, cfgvalue]),
 812                             ipopt = this.section.children.filter(function(o) { return o.option == 'ip' })[0];
 813
 814                         node.addEventListener('cbi-dropdown-change', L.bind(function(ipopt, section_id, ev) {
 815                                 var mac = ev.detail.value.value;
 816                                 if (mac == null || mac == '' || !hosts[mac])
 817                                         return;
 818
 819                                 var iphint = L.toArray(hosts[mac].ipaddrs || hosts[mac].ipv4)[0];
 820                                 if (iphint == null)
 821                                         return;
 822
 823                                 var ip = ipopt.formvalue(section_id);
 824                                 if (ip != null && ip != '')
 825                                         return;
 826
 827                                 var node = ipopt.map.findElement('id', ipopt.cbid(section_id));
 828                                 if (node)
 829                                         dom.callClassMethod(node, 'setValue', iphint);
 830                         }, this, ipopt, section_id));
 831
 832                         return node;
 833                 };
 834                 so.validate = validateMACAddr.bind(so, pools);
 835                 Object.keys(hosts).forEach(function(mac) {
 836                         var hint = hosts[mac].name || L.toArray(hosts[mac].ipaddrs || hosts[mac].ipv4)[0];
 837                         so.value(mac, hint ? '%s (%s)'.format(mac, hint) : mac);
 838                 });
 839
 840                 so = ss.option(form.Value, 'ip', _('IPv4 address'));
 841                 so.datatype = 'or(ip4addr,"ignore")';
 842                 so.validate = function(section, value) {
 843                         var m = this.section.formvalue(section, 'mac'),
 844                             n = this.section.formvalue(section, 'name');
 845
 846                         if ((m && !m.length > 0) && !n)
 847                                 return _('One of hostname or MAC address must be specified!');
 848
 849                         if (!value || value == 'ignore')
 850                                 return true;
 851
 852                         var leases = uci.sections('dhcp', 'host');
 853
 854                         for (var i = 0; i < leases.length; i++)
 855                                 if (leases[i]['.name'] != section && leases[i].ip == value)
 856                                         return _('The IP address %h is already used by another static lease').format(value);
 857
 858                         for (var i = 0; i < pools.length; i++) {
 859                                 var net_mask = calculateNetwork(value, pools[i].netmask);
 860
 861                                 if (net_mask && net_mask[0] == pools[i].network)
 862                                         return true;
 863                         }
 864
 865                         return _('The IP address is outside of any DHCP pool address range');
 866                 };
 867
 868                 L.sortedKeys(ipaddrs, null, 'addr').forEach(function(ipv4) {
 869                         so.value(ipv4, ipaddrs[ipv4] ? '%s (%s)'.format(ipv4, ipaddrs[ipv4]) : ipv4);
 870                 });
 871
 872                 so = ss.option(form.Value, 'leasetime', _('Lease time'));
 873                 so.rmempty = true;
 874
 875                 so = ss.option(form.Value, 'duid', _('DUID'));
 876                 so.datatype = 'and(rangelength(20,36),hexstring)';
 877                 Object.keys(duids).forEach(function(duid) {
 878                         so.value(duid, '%s (%s)'.format(duid, duids[duid].hostname || duids[duid].macaddr || duids[duid].ip6addr || '?'));
 879                 });
 880
 881                 so = ss.option(form.Value, 'hostid', _('IPv6 suffix (hex)'));
 882
 883                 o = s.taboption('leases', CBILeaseStatus, '__status__');
 884
 885                 if (has_dhcpv6)
 886                         o = s.taboption('leases', CBILease6Status, '__status6__');
 887
 888                 return m.render().then(function(mapEl) {
 889                         poll.add(function() {
 890                                 return callDHCPLeases().then(function(leaseinfo) {
 891                                         var leases = Array.isArray(leaseinfo.dhcp_leases) ? leaseinfo.dhcp_leases : [],
 892                                             leases6 = Array.isArray(leaseinfo.dhcp6_leases) ? leaseinfo.dhcp6_leases : [];
 893
 894                                         cbi_update_table(mapEl.querySelector('#lease_status_table'),
 895                                                 leases.map(function(lease) {
 896                                                         var exp;
 897
 898                                                         if (lease.expires === false)
 899                                                                 exp = E('em', _('unlimited'));
 900                                                         else if (lease.expires <= 0)
 901                                                                 exp = E('em', _('expired'));
 902                                                         else
 903                                                                 exp = '%t'.format(lease.expires);
 904
 905                                                         var hint = lease.macaddr ? hosts[lease.macaddr] : null,
 906                                                             name = hint ? hint.name : null,
 907                                                             host = null;
 908
 909                                                         if (name && lease.hostname && lease.hostname != name)
 910                                                                 host = '%s (%s)'.format(lease.hostname, name);
 911                                                         else if (lease.hostname)
 912                                                                 host = lease.hostname;
 913
 914                                                         return [
 915                                                                 host || '-',
 916                                                                 lease.ipaddr,
 917                                                                 lease.macaddr,
 918                                                                 exp
 919                                                         ];
 920                                                 }),
 921                                                 E('em', _('There are no active leases')));
 922
 923                                         if (has_dhcpv6) {
 924                                                 cbi_update_table(mapEl.querySelector('#lease6_status_table'),
 925                                                         leases6.map(function(lease) {
 926                                                                 var exp;
 927
 928                                                                 if (lease.expires === false)
 929                                                                         exp = E('em', _('unlimited'));
 930                                                                 else if (lease.expires <= 0)
 931                                                                         exp = E('em', _('expired'));
 932                                                                 else
 933                                                                         exp = '%t'.format(lease.expires);
 934
 935                                                                 var hint = lease.macaddr ? hosts[lease.macaddr] : null,
 936                                                                     name = hint ? (hint.name || L.toArray(hint.ipaddrs || hint.ipv4)[0] || L.toArray(hint.ip6addrs || hint.ipv6)[0]) : null,
 937                                                                     host = null;
 938
 939                                                                 if (name && lease.hostname && lease.hostname != name && lease.ip6addr != name)
 940                                                                         host = '%s (%s)'.format(lease.hostname, name);
 941                                                                 else if (lease.hostname)
 942                                                                         host = lease.hostname;
 943                                                                 else if (name)
 944                                                                         host = name;
 945
 946                                                                 return [
 947                                                                         host || '-',
 948                                                                         lease.ip6addrs ? lease.ip6addrs.join(' ') : lease.ip6addr,
 949                                                                         lease.duid,
 950                                                                         exp
 951                                                                 ];
 952                                                         }),
 953                                                         E('em', _('There are no active leases')));
 954                                         }
 955                                 });
 956                         });
 957
 958                         return mapEl;
 959                 });
 960         }
 961 });