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

   1 'use strict';
   2 'require view';
   3 'require ui';
   4 'require rpc';
   5 'require uci';
   6 'require form';
   7 'require firewall as fwmodel';
   8 'require tools.firewall as fwtool';
   9 'require tools.widgets as widgets';
  10
  11 function rule_proto_txt(s) {
  12         var family = (uci.get('firewall', s, 'family') || '').toLowerCase().replace(/^(?:all|\*)$/, 'any');
  13         var sip = uci.get('firewall', s, 'src_ip') || '';
  14         var dip = uci.get('firewall', s, 'dest_ip') || '';
  15         var rwip = uci.get('firewall', s, 'snat_ip') || '';
  16         var proto = L.toArray(uci.get('firewall', s, 'proto')).filter(function(p) {
  17                 return (p != '*' && p != 'any' && p != 'all');
  18         }).map(function(p) {
  19                 var pr = fwtool.lookupProto(p);
  20                 return {
  21                         num:  pr[0],
  22                         name: pr[1]
  23                 };
  24         });
  25
  26         var m = String(uci.get('firewall', s, 'mark')).match(/^(!\s*)?(0x[0-9a-f]{1,8}|[0-9]{1,10})(?:\/(0x[0-9a-f]{1,8}|[0-9]{1,10}))?$/i);
  27         var f = m ? {
  28                 val:  m[0].toUpperCase().replace(/X/g, 'x'),
  29                 inv:  m[1],
  30                 num:  '0x%02X'.format(+m[2]),
  31                 mask: m[3] ? '0x%02X'.format(+m[3]) : null
  32         } : null;
  33
  34         return fwtool.fmt(_('Forwarded %{ipv6?%{ipv4?<var>IPv4</var> and <var>IPv6</var>:<var>IPv6</var>}:<var>IPv4</var>}%{proto?, protocol %{proto#%{next?, }<var>%{item.name}</var>}}%{mark?, mark <var%{mark.inv? data-tooltip="Match fwmarks except %{mark.num}%{mark.mask? with mask %{mark.mask}}.":%{mark.mask? data-tooltip="Mask fwmark value with %{mark.mask} before compare."}}>%{mark.val}</var>}'), {
  35                 ipv4: (family == 'ipv4' || (!family && sip.indexOf(':') == -1 && dip.indexOf(':') == -1 && rwip.indexOf(':') == -1)),
  36                 ipv6: (family == 'ipv6' || (!family && (!sip || !dip || !rwip)) || (!family && (sip.indexOf(':') != -1 || dip.indexOf(':') != -1 || rwip.indexOf(':') != -1))),
  37                 proto: proto,
  38                 mark:  f
  39         });
  40 }
  41
  42 function rule_src_txt(s, hosts) {
  43         var z = uci.get('firewall', s, 'src');
  44
  45         return fwtool.fmt(_('From %{src}%{src_device?, interface <var>%{src_device}</var>}%{src_ip?, IP %{src_ip#%{next?, }<var%{item.inv? data-tooltip="Match IP addresses except %{item.val}."}>%{item.ival}</var>}}%{src_port?, port %{src_port#%{next?, }<var%{item.inv? data-tooltip="Match ports except %{item.val}."}>%{item.ival}</var>}}'), {
  46                 src: E('span', { 'class': 'zonebadge', 'style': fwmodel.getZoneColorStyle(null) }, [E('em', _('any zone'))]),
  47                 src_ip: fwtool.map_invert(uci.get('firewall', s, 'src_ip'), 'toLowerCase'),
  48                 src_port: fwtool.map_invert(uci.get('firewall', s, 'src_port'))
  49         });
  50 }
  51
  52 function rule_dest_txt(s) {
  53         var z = uci.get('firewall', s, 'src');
  54
  55         return fwtool.fmt(_('To %{dest}%{dest_device?, via interface <var>%{dest_device}</var>}%{dest_ip?, IP %{dest_ip#%{next?, }<var%{item.inv? data-tooltip="Match IP addresses except %{item.val}."}>%{item.ival}</var>}}%{dest_port?, port %{dest_port#%{next?, }<var%{item.inv? data-tooltip="Match ports except %{item.val}."}>%{item.ival}</var>}}'), {
  56                 dest: E('span', { 'class': 'zonebadge', 'style': fwmodel.getZoneColorStyle(z) }, [(z == '*') ? E('em', _('any zone')) : (z ? E('strong', z) : E('em', _('this device')))]),
  57                 dest_ip: fwtool.map_invert(uci.get('firewall', s, 'dest_ip'), 'toLowerCase'),
  58                 dest_port: fwtool.map_invert(uci.get('firewall', s, 'dest_port')),
  59                 dest_device: uci.get('firewall', s, 'device')
  60         });
  61 }
  62
  63 function rule_limit_txt(s) {
  64         var m = String(uci.get('firewall', s, 'limit')).match(/^(\d+)\/([smhd])\w*$/i),
  65             l = m ? {
  66                         num:   +m[1],
  67                         unit:  ({ s: _('second'), m: _('minute'), h: _('hour'), d: _('day') })[m[2]],
  68                         burst: uci.get('firewall', s, 'limit_burst')
  69                 } : null;
  70
  71         if (!l)
  72                 return '';
  73
  74         return fwtool.fmt(_('Limit matching to <var>%{limit.num}</var> packets per <var>%{limit.unit}</var>%{limit.burst? burst <var>%{limit.burst}</var>}'), { limit: l });
  75 }
  76
  77 function rule_target_txt(s) {
  78         var t = uci.get('firewall', s, 'target'),
  79             s = {
  80                 target:    t,
  81                 snat_ip:   uci.get('firewall', s, 'snat_ip'),
  82                 snat_port: uci.get('firewall', s, 'snat_port')
  83             };
  84
  85         switch (t) {
  86         case 'SNAT':
  87                 return fwtool.fmt(_('<var data-tooltip="SNAT">Statically rewrite</var> to source %{snat_ip?IP <var>%{snat_ip}</var>} %{snat_port?port <var>%{snat_port}</var>}'), s);
  88
  89         case 'MASQUERADE':
  90                 return fwtool.fmt(_('<var data-tooltip="MASQUERADE">Automatically rewrite</var> source IP'));
  91
  92         case 'ACCEPT':
  93                 return fwtool.fmt(_('<var data-tooltip="ACCEPT">Prevent source rewrite</var>'));
  94
  95         default:
  96                 return t;
  97         }
  98 }
  99
 100 function validate_opt_family(m, section_id, opt) {
 101         var sopt = m.section.getOption('src_ip'),
 102             dopt = m.section.getOption('dest_ip'),
 103             rwopt = m.section.getOption('snat_ip'),
 104             fmopt = m.section.getOption('family'),
 105             tgopt = m.section.getOption('target');
 106
 107         if (!sopt.isValid(section_id) && opt != 'src_ip')
 108                 return true;
 109         if (!dopt.isValid(section_id) && opt != 'dest_ip')
 110                 return true;
 111         if (!rwopt.isValid(section_id) && opt != 'snat_ip')
 112                 return true;
 113         if (!fmopt.isValid(section_id) && opt != 'family')
 114                 return true;
 115         if (!tgopt.isValid(section_id) && opt != 'target')
 116                 return true;
 117
 118         var sip = sopt.formvalue(section_id) || '',
 119             dip = dopt.formvalue(section_id) || '',
 120             rwip = rwopt.formvalue(section_id) || '',
 121             fm = fmopt.formvalue(section_id) || '',
 122             tg = tgopt.formvalue(section_id);
 123
 124         if (fm == 'ipv6' && (sip.indexOf(':') != -1 || sip == '') && (dip.indexOf(':') != -1 || dip == '') && ((rwip.indexOf(':') != -1 && tg == 'SNAT') || rwip == ''))
 125                 return true;
 126         if (fm == 'ipv4' && (sip.indexOf(':') == -1) && (dip.indexOf(':') == -1) && ((rwip.indexOf(':') == -1 && tg == 'SNAT') || rwip == ''))
 127                 return true;
 128         if (fm == '' || fm == 'any') {
 129                 if ((sip.indexOf(':') != -1 || sip == '') && (dip.indexOf(':') != -1 || dip == '') && ((rwip.indexOf(':') != -1 && tg == 'SNAT') || rwip == ''))
 130                         return true;
 131                 if ((sip.indexOf(':') == -1) && (dip.indexOf(':') == -1) && ((rwip.indexOf(':') == -1 && tg == 'SNAT') || rwip == ''))
 132                         return true;
 133         }
 134
 135         return _('Address family, source address, destination address, rewrite IP address must match');
 136 }
 137
 138 return view.extend({
 139         callHostHints: rpc.declare({
 140                 object: 'luci-rpc',
 141                 method: 'getHostHints',
 142                 expect: { '': {} }
 143         }),
 144
 145         callNetworkDevices: rpc.declare({
 146                 object: 'luci-rpc',
 147                 method: 'getNetworkDevices',
 148                 expect: { '': {} }
 149         }),
 150
 151         load: function() {
 152                 return Promise.all([
 153                         this.callHostHints(),
 154                         this.callNetworkDevices(),
 155                         uci.load('firewall')
 156                 ]);
 157         },
 158
 159         render: function(data) {
 160                 if (fwtool.checkLegacySNAT())
 161                         return fwtool.renderMigration();
 162                 else
 163                         return this.renderNats(data);
 164         },
 165
 166         renderNats: function(data) {
 167                 var hosts = data[0],
 168                     devs = data[1],
 169                     m, s, o;
 170                 var fw4 = L.hasSystemFeature('firewall4');
 171
 172                 m = new form.Map('firewall', _('Firewall - NAT Rules'),
 173                         _('NAT rules allow fine grained control over the source IP to use for outbound or forwarded traffic.'));
 174
 175                 s = m.section(form.GridSection, 'nat', _('NAT Rules'));
 176                 s.addremove = true;
 177                 s.anonymous = true;
 178                 s.sortable  = true;
 179
 180                 s.tab('general', _('General Settings'));
 181                 s.tab('advanced', _('Advanced Settings'));
 182                 s.tab('timed', _('Time Restrictions'));
 183
 184                 s.sectiontitle = function(section_id) {
 185                         return uci.get('firewall', section_id, 'name') || _('Unnamed NAT');
 186                 };
 187
 188                 o = s.taboption('general', form.Value, 'name', _('Name'));
 189                 o.placeholder = _('Unnamed NAT');
 190                 o.modalonly = true;
 191
 192                 o = s.option(form.DummyValue, '_match', _('Match'));
 193                 o.modalonly = false;
 194                 o.textvalue = function(s) {
 195                         return E('small', [
 196                                 rule_proto_txt(s), E('br'),
 197                                 rule_src_txt(s, hosts), E('br'),
 198                                 rule_dest_txt(s), E('br'),
 199                                 rule_limit_txt(s)
 200                         ]);
 201                 };
 202
 203                 o = s.option(form.ListValue, '_target', _('Action'));
 204                 o.modalonly = false;
 205                 o.textvalue = function(s) {
 206                         return rule_target_txt(s);
 207                 };
 208
 209                 o = s.option(form.Flag, 'enabled', _('Enable'));
 210                 o.modalonly = false;
 211                 o.default = o.enabled;
 212                 o.editable = true;
 213
 214                 if (fw4) {
 215                         o = s.taboption('general', form.ListValue, 'family', _('Restrict to address family'));
 216                         o.modalonly = true;
 217                         o.rmempty = true;
 218                         o.value('any', _('IPv4 and IPv6'));
 219                         o.value('ipv4', _('IPv4 only'));
 220                         o.value('ipv6', _('IPv6 only'));
 221                         o.value('', _('automatic'));  // infer from zone or used IP addresses
 222                         o.cfgvalue = function(section_id) {
 223                                 var val = this.map.data.get(this.map.config, section_id, 'family');
 224
 225                                 if (!val)
 226                                         return '';
 227                                 else if (val == 'any' || val == 'all' || val == '*')
 228                                         return 'any';
 229                                 else if (val == 'inet' || String(val).indexOf('4') != -1)
 230                                         return 'ipv4';
 231                                 else if (String(val).indexOf('6') != -1)
 232                                         return 'ipv6';
 233                         };
 234                         o.validate = function(section_id, value) {
 235                                 fwtool.updateHostHints(this.map, section_id, 'src_ip', value, hosts);
 236                                 fwtool.updateHostHints(this.map, section_id, 'dest_ip', value, hosts);
 237                                 return !fw4?true:validate_opt_family(this, section_id, 'family');
 238                         };
 239                 }
 240
 241                 o = s.taboption('general', fwtool.CBIProtocolSelect, 'proto', _('Protocol'));
 242                 o.modalonly = true;
 243                 o.default = 'all';
 244
 245                 o = s.taboption('general', widgets.ZoneSelect, 'src', _('Outbound zone'));
 246                 o.modalonly = true;
 247                 o.rmempty = false;
 248                 o.nocreate = true;
 249                 o.allowany = true;
 250                 o.default = 'lan';
 251
 252                 o = fwtool.addIPOption(s, 'general', 'src_ip', _('Source address'),
 253                         _('Match forwarded traffic from this IP or range.'), !fw4?'ipv4':'', hosts);
 254                 o.rmempty = true;
 255                 o.datatype = !fw4?'neg(ipmask4("true"))':'neg(ipmask("true"))';
 256                 o.validate = function(section_id, value) {
 257                         return !fw4?true:validate_opt_family(this, section_id, 'src_ip');
 258                 };
 259
 260                 o = s.taboption('general', form.Value, 'src_port', _('Source port'),
 261                         _('Match forwarded traffic originating from the given source port or port range.'));
 262                 o.modalonly = true;
 263                 o.rmempty = true;
 264                 o.datatype = 'neg(portrange)';
 265                 o.placeholder = _('any');
 266                 o.depends({ proto: 'tcp', '!contains': true });
 267                 o.depends({ proto: 'udp', '!contains': true });
 268
 269                 o = fwtool.addIPOption(s, 'general', 'dest_ip', _('Destination address'),
 270                         _('Match forwarded traffic directed at the given IP address.'), !fw4?'ipv4':'', hosts);
 271                 o.rmempty = true;
 272                 o.datatype = !fw4?'neg(ipmask4("true"))':'neg(ipmask("true"))';
 273                 o.validate = function(section_id, value) {
 274                         return !fw4?true:validate_opt_family(this, section_id, 'dest_ip');
 275                 };
 276
 277                 o = s.taboption('general', form.Value, 'dest_port', _('Destination port'),
 278                         _('Match forwarded traffic directed at the given destination port or port range.'));
 279                 o.modalonly = true;
 280                 o.rmempty = true;
 281                 o.placeholder = _('any');
 282                 o.datatype = 'neg(portrange)';
 283                 o.depends({ proto: 'tcp', '!contains': true });
 284                 o.depends({ proto: 'udp', '!contains': true });
 285
 286                 o = s.taboption('general', form.ListValue, 'target', _('Action'));
 287                 o.modalonly = true;
 288                 o.default = 'SNAT';
 289                 o.value('SNAT', _('SNAT - Rewrite to specific source IP or port'));
 290                 o.value('MASQUERADE', _('MASQUERADE - Automatically rewrite to outbound interface IP'));
 291                 o.value('ACCEPT', _('ACCEPT - Disable address rewriting'));
 292                 o.validate = function(section_id, value) {
 293                         return !fw4?true:validate_opt_family(this, section_id, 'target');
 294                 };
 295
 296                 o = fwtool.addLocalIPOption(s, 'general', 'snat_ip', _('Rewrite IP address'),
 297                         _('Rewrite matched traffic to the specified source IP address.'), devs);
 298                 o.placeholder = null;
 299                 o.depends('target', 'SNAT');
 300                 o.validate = function(section_id, value) {
 301                         var a = this.formvalue(section_id),
 302                             p = this.section.formvalue(section_id, 'snat_port');
 303
 304                         if ((a == null || a == '') && (p == null || p == '') && value == '')
 305                                 return _('A rewrite IP must be specified!');
 306
 307                         return !fw4?true:validate_opt_family(this, section_id, 'snat_ip');
 308                 };
 309
 310                 o = s.taboption('general', form.Value, 'snat_port', _('Rewrite port'),
 311                         _('Rewrite matched traffic to the specified source port or port range.'));
 312                 o.modalonly = true;
 313                 o.rmempty = true;
 314                 o.placeholder = _('do not rewrite');
 315                 o.datatype = 'portrange';
 316                 o.depends({ proto: 'tcp', '!contains': true });
 317                 o.depends({ proto: 'udp', '!contains': true });
 318
 319                 var have_fw4 = L.hasSystemFeature('firewall4')
 320                 if (!have_fw4) {
 321                         o = s.taboption('advanced', form.Value, 'ipset', _('Use ipset'));
 322                         uci.sections('firewall', 'ipset', function(s) {
 323                                 if (typeof(s.name) == 'string')
 324                                         o.value(s.name, s.comment ? '%s (%s)'.format(s.name, s.comment) : s.name);
 325                         });
 326                         o.modalonly = true;
 327                         o.rmempty = true;
 328                 }
 329
 330                 o = s.taboption('advanced', widgets.DeviceSelect, 'device', _('Outbound device'),
 331                         _('Matches forwarded traffic using the specified outbound network device.'));
 332                 o.noaliases = true;
 333                 o.modalonly = true;
 334                 o.rmempty = true;
 335
 336                 fwtool.addMarkOption(s, false);
 337                 fwtool.addLimitOption(s);
 338                 fwtool.addLimitBurstOption(s);
 339
 340                 if (!have_fw4) {
 341                         o = s.taboption('advanced', form.Value, 'extra', _('Extra arguments'),
 342                                 _('Passes additional arguments to iptables. Use with care!'));
 343                         o.modalonly = true;
 344                         o.rmempty = true;
 345                 }
 346
 347                 o = s.taboption('timed', form.MultiValue, 'weekdays', _('Week Days'));
 348                 o.modalonly = true;
 349                 o.multiple = true;
 350                 o.display = 5;
 351                 o.placeholder = _('Any day');
 352                 o.value('Sun', _('Sunday'));
 353                 o.value('Mon', _('Monday'));
 354                 o.value('Tue', _('Tuesday'));
 355                 o.value('Wed', _('Wednesday'));
 356                 o.value('Thu', _('Thursday'));
 357                 o.value('Fri', _('Friday'));
 358                 o.value('Sat', _('Saturday'));
 359                 o.write = function(section_id, value) {
 360                         return this.super('write', [ section_id, L.toArray(value).join(' ') ]);
 361                 };
 362
 363                 o = s.taboption('timed', form.MultiValue, 'monthdays', _('Month Days'));
 364                 o.modalonly = true;
 365                 o.multiple = true;
 366                 o.display_size = 15;
 367                 o.placeholder = _('Any day');
 368                 o.write = function(section_id, value) {
 369                         return this.super('write', [ section_id, L.toArray(value).join(' ') ]);
 370                 };
 371                 for (var i = 1; i <= 31; i++)
 372                         o.value(i);
 373
 374                 o = s.taboption('timed', form.Value, 'start_time', _('Start Time (hh:mm:ss)'));
 375                 o.modalonly = true;
 376                 o.datatype = 'timehhmmss';
 377
 378                 o = s.taboption('timed', form.Value, 'stop_time', _('Stop Time (hh:mm:ss)'));
 379                 o.modalonly = true;
 380                 o.datatype = 'timehhmmss';
 381
 382                 o = s.taboption('timed', form.Value, 'start_date', _('Start Date (yyyy-mm-dd)'));
 383                 o.modalonly = true;
 384                 o.datatype = 'dateyyyymmdd';
 385
 386                 o = s.taboption('timed', form.Value, 'stop_date', _('Stop Date (yyyy-mm-dd)'));
 387                 o.modalonly = true;
 388                 o.datatype = 'dateyyyymmdd';
 389
 390                 o = s.taboption('timed', form.Flag, 'utc_time', _('Time in UTC'));
 391                 o.modalonly = true;
 392                 o.default = o.disabled;
 393
 394                 return m.render();
 395         }
 396 });