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

   1 'use strict';
   2 'require ui';
   3 'require rpc';
   4 'require uci';
   5 'require form';
   6 'require firewall as fwmodel';
   7 'require tools.firewall as fwtool';
   8 'require tools.widgets as widgets';
   9
  10 function rule_proto_txt(s) {
  11         var proto = L.toArray(uci.get('firewall', s, 'proto')).filter(function(p) {
  12                 return (p != '*' && p != 'any' && p != 'all');
  13         }).map(function(p) {
  14                 var pr = fwtool.lookupProto(p);
  15                 return {
  16                         num:  pr[0],
  17                         name: pr[1]
  18                 };
  19         });
  20
  21         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);
  22         var f = m ? {
  23                 val:  m[0].toUpperCase().replace(/X/g, 'x'),
  24                 inv:  m[1],
  25                 num:  '0x%02X'.format(+m[2]),
  26                 mask: m[3] ? '0x%02X'.format(+m[3]) : null
  27         } : null;
  28
  29         return fwtool.fmt(_('Forwarded IPv4%{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>}'), {
  30                 proto: proto,
  31                 mark:  f
  32         });
  33 }
  34
  35 function rule_src_txt(s, hosts) {
  36         var z = uci.get('firewall', s, 'src');
  37
  38         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>}}'), {
  39                 src: E('span', { 'class': 'zonebadge', 'style': 'background-color:' + fwmodel.getColorForName(null) }, [E('em', _('any zone'))]),
  40                 src_ip: fwtool.map_invert(uci.get('firewall', s, 'src_ip'), 'toLowerCase'),
  41                 src_port: fwtool.map_invert(uci.get('firewall', s, 'src_port'))
  42         });
  43 }
  44
  45 function rule_dest_txt(s) {
  46         var z = uci.get('firewall', s, 'src');
  47
  48         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>}}'), {
  49                 dest: E('span', { 'class': 'zonebadge', 'style': 'background-color:' + fwmodel.getColorForName((z && z != '*') ? z : null) }, [(z == '*') ? E('em', _('any zone')) : (z || E('em', _('this device')))]),
  50                 dest_ip: fwtool.map_invert(uci.get('firewall', s, 'dest_ip'), 'toLowerCase'),
  51                 dest_port: fwtool.map_invert(uci.get('firewall', s, 'dest_port')),
  52                 dest_device: uci.get('firewall', s, 'device')
  53         });
  54 }
  55
  56 function rule_limit_txt(s) {
  57         var m = String(uci.get('firewall', s, 'limit')).match(/^(\d+)\/([smhd])\w*$/i),
  58             l = m ? {
  59                         num:   +m[1],
  60                         unit:  ({ s: _('second'), m: _('minute'), h: _('hour'), d: _('day') })[m[2]],
  61                         burst: uci.get('firewall', s, 'limit_burst')
  62                 } : null;
  63
  64         if (!l)
  65                 return '';
  66
  67         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 });
  68 }
  69
  70 function rule_target_txt(s) {
  71         var t = uci.get('firewall', s, 'target'),
  72             s = {
  73                 target:    t,
  74                 snat_ip:   uci.get('firewall', s, 'snat_ip'),
  75                 snat_port: uci.get('firewall', s, 'snat_port')
  76             };
  77
  78         switch (t) {
  79         case 'SNAT':
  80                 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);
  81
  82         case 'MASQUERADE':
  83                 return fwtool.fmt(_('<var data-tooltip="MASQUERADE">Automatically rewrite</var> source IP'));
  84
  85         case 'ACCEPT':
  86                 return fwtool.fmt(_('<var data-tooltip="ACCEPT">Prevent source rewrite</var>'));
  87
  88         default:
  89                 return t;
  90         }
  91 }
  92
  93 return L.view.extend({
  94         callHostHints: rpc.declare({
  95                 object: 'luci-rpc',
  96                 method: 'getHostHints',
  97                 expect: { '': {} }
  98         }),
  99
 100         callNetworkDevices: rpc.declare({
 101                 object: 'luci-rpc',
 102                 method: 'getNetworkDevices',
 103                 expect: { '': {} }
 104         }),
 105
 106         load: function() {
 107                 return Promise.all([
 108                         this.callHostHints(),
 109                         this.callNetworkDevices(),
 110                         uci.load('firewall')
 111                 ]);
 112         },
 113
 114         render: function(data) {
 115                 if (fwtool.checkLegacySNAT())
 116                         return fwtool.renderMigration();
 117                 else
 118                         return this.renderNats(data);
 119         },
 120
 121         renderNats: function(data) {
 122                 var hosts = data[0],
 123                     devs = data[1],
 124                     m, s, o;
 125
 126                 m = new form.Map('firewall', _('Firewall - NAT Rules'),
 127                         _('NAT rules allow fine grained control over the source IP to use for outbound or forwarded traffic.'));
 128
 129                 s = m.section(form.GridSection, 'nat', _('NAT Rules'));
 130                 s.addremove = true;
 131                 s.anonymous = true;
 132                 s.sortable  = true;
 133
 134                 s.tab('general', _('General Settings'));
 135                 s.tab('advanced', _('Advanced Settings'));
 136                 s.tab('timed', _('Time Restrictions'));
 137
 138                 s.sectiontitle = function(section_id) {
 139                         return uci.get('firewall', section_id, 'name') || _('Unnamed NAT');
 140                 };
 141
 142                 o = s.taboption('general', form.Value, 'name', _('Name'));
 143                 o.placeholder = _('Unnamed NAT');
 144                 o.modalonly = true;
 145
 146                 o = s.option(form.DummyValue, '_match', _('Match'));
 147                 o.modalonly = false;
 148                 o.textvalue = function(s) {
 149                         return E('small', [
 150                                 rule_proto_txt(s), E('br'),
 151                                 rule_src_txt(s, hosts), E('br'),
 152                                 rule_dest_txt(s), E('br'),
 153                                 rule_limit_txt(s)
 154                         ]);
 155                 };
 156
 157                 o = s.option(form.ListValue, '_target', _('Action'));
 158                 o.modalonly = false;
 159                 o.textvalue = function(s) {
 160                         return rule_target_txt(s);
 161                 };
 162
 163                 o = s.option(form.Flag, 'enabled', _('Enable'));
 164                 o.modalonly = false;
 165                 o.default = o.enabled;
 166                 o.editable = true;
 167
 168                 o = s.taboption('general', fwtool.CBIProtocolSelect, 'proto', _('Protocol'));
 169                 o.modalonly = true;
 170                 o.default = 'all';
 171
 172                 o = s.taboption('general', widgets.ZoneSelect, 'src', _('Outbound zone'));
 173                 o.modalonly = true;
 174                 o.rmempty = false;
 175                 o.nocreate = true;
 176                 o.allowany = true;
 177                 o.default = 'lan';
 178
 179                 o = fwtool.addIPOption(s, 'general', 'src_ip', _('Source address'),
 180                         _('Match forwarded traffic from this IP or range.'), 'ipv4', hosts);
 181                 o.rmempty = true;
 182                 o.datatype = 'neg(ipmask4)';
 183
 184                 o = s.taboption('general', form.Value, 'src_port', _('Source port'),
 185                         _('Match forwarded traffic originating from the given source port or port range.'));
 186                 o.modalonly = true;
 187                 o.rmempty = true;
 188                 o.datatype = 'neg(portrange)';
 189                 o.placeholder = _('any');
 190                 o.depends({ proto: 'tcp', '!contains': true });
 191                 o.depends({ proto: 'udp', '!contains': true });
 192
 193                 o = fwtool.addIPOption(s, 'general', 'dest_ip', _('Destination address'),
 194                         _('Match forwarded traffic directed at the given IP address.'), 'ipv4', hosts);
 195                 o.rmempty = true;
 196                 o.datatype = 'neg(ipmask4)';
 197
 198                 o = s.taboption('general', form.Value, 'dest_port', _('Destination port'),
 199                         _('Match forwarded traffic directed at the given destination port or port range.'));
 200                 o.modalonly = true;
 201                 o.rmempty = true;
 202                 o.placeholder = _('any');
 203                 o.datatype = 'neg(portrange)';
 204                 o.depends({ proto: 'tcp', '!contains': true });
 205                 o.depends({ proto: 'udp', '!contains': true });
 206
 207                 o = s.taboption('general', form.ListValue, 'target', _('Action'));
 208                 o.modalonly = true;
 209                 o.default = 'SNAT';
 210                 o.value('SNAT', _('SNAT - Rewrite to specific source IP or port'));
 211                 o.value('MASQUERADE', _('MASQUERADE - Automatically rewrite to outbound interface IP'));
 212                 o.value('ACCEPT', _('ACCEPT - Disable address rewriting'));
 213
 214                 o = fwtool.addLocalIPOption(s, 'general', 'snat_ip', _('Rewrite IP address'),
 215                         _('Rewrite matched traffic to the specified source IP address.'), devs);
 216                 o.placeholder = null;
 217                 o.depends('target', 'SNAT');
 218                 o.validate = function(section_id, value) {
 219                         var port = this.map.lookupOption('snat_port', section_id),
 220                             a = this.formvalue(section_id),
 221                             p = port ? port[0].formvalue(section_id) : null;
 222
 223                         if ((a == null || a == '') && (p == null || p == '') && value == '')
 224                                 return _('A rewrite IP must be specified!');
 225
 226                         return true;
 227                 };
 228
 229                 o = s.taboption('general', form.Value, 'snat_port', _('Rewrite port'),
 230                         _('Rewrite matched traffic to the specified source port or port range.'));
 231                 o.modalonly = true;
 232                 o.rmempty = true;
 233                 o.placeholder = _('do not rewrite');
 234                 o.datatype = 'portrange';
 235                 o.depends({ proto: 'tcp', '!contains': true });
 236                 o.depends({ proto: 'udp', '!contains': true });
 237
 238                 o = s.taboption('advanced', widgets.DeviceSelect, 'device', _('Outbound device'),
 239                         _('Matches forwarded traffic using the specified outbound network device.'));
 240                 o.noaliases = true;
 241                 o.modalonly = true;
 242                 o.rmempty = true;
 243
 244                 fwtool.addMarkOption(s, false);
 245                 fwtool.addLimitOption(s);
 246                 fwtool.addLimitBurstOption(s);
 247
 248                 o = s.taboption('advanced', form.Value, 'extra', _('Extra arguments'),
 249                         _('Passes additional arguments to iptables. Use with care!'));
 250                 o.modalonly = true;
 251                 o.rmempty = true;
 252
 253                 o = s.taboption('timed', form.MultiValue, 'weekdays', _('Week Days'));
 254                 o.modalonly = true;
 255                 o.multiple = true;
 256                 o.display = 5;
 257                 o.placeholder = _('Any day');
 258                 o.value('Sun', _('Sunday'));
 259                 o.value('Mon', _('Monday'));
 260                 o.value('Tue', _('Tuesday'));
 261                 o.value('Wed', _('Wednesday'));
 262                 o.value('Thu', _('Thursday'));
 263                 o.value('Fri', _('Friday'));
 264                 o.value('Sat', _('Saturday'));
 265                 o.write = function(section_id, value) {
 266                         return this.super('write', [ section_id, L.toArray(value).join(' ') ]);
 267                 };
 268
 269                 o = s.taboption('timed', form.MultiValue, 'monthdays', _('Month Days'));
 270                 o.modalonly = true;
 271                 o.multiple = true;
 272                 o.display_size = 15;
 273                 o.placeholder = _('Any day');
 274                 o.write = function(section_id, value) {
 275                         return this.super('write', [ section_id, L.toArray(value).join(' ') ]);
 276                 };
 277                 for (var i = 1; i <= 31; i++)
 278                         o.value(i);
 279
 280                 o = s.taboption('timed', form.Value, 'start_time', _('Start Time (hh.mm.ss)'));
 281                 o.modalonly = true;
 282                 o.datatype = 'timehhmmss';
 283
 284                 o = s.taboption('timed', form.Value, 'stop_time', _('Stop Time (hh.mm.ss)'));
 285                 o.modalonly = true;
 286                 o.datatype = 'timehhmmss';
 287
 288                 o = s.taboption('timed', form.Value, 'start_date', _('Start Date (yyyy-mm-dd)'));
 289                 o.modalonly = true;
 290                 o.datatype = 'dateyyyymmdd';
 291
 292                 o = s.taboption('timed', form.Value, 'stop_date', _('Stop Date (yyyy-mm-dd)'));
 293                 o.modalonly = true;
 294                 o.datatype = 'dateyyyymmdd';
 295
 296                 o = s.taboption('timed', form.Flag, 'utc_time', _('Time in UTC'));
 297                 o.modalonly = true;
 298                 o.default = o.disabled;
 299
 300                 return m.render();
 301         }
 302 });