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 proto = L.toArray(uci.get('firewall', s, 'proto')).filter(function(p) {
  13                 return (p != '*' && p != 'any' && p != 'all');
  14         }).map(function(p) {
  15                 var pr = fwtool.lookupProto(p);
  16                 return {
  17                         num:  pr[0],
  18                         name: pr[1]
  19                 };
  20         });
  21
  22         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);
  23         var f = m ? {
  24                 val:  m[0].toUpperCase().replace(/X/g, 'x'),
  25                 inv:  m[1],
  26                 num:  '0x%02X'.format(+m[2]),
  27                 mask: m[3] ? '0x%02X'.format(+m[3]) : null
  28         } : null;
  29
  30         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>}'), {
  31                 proto: proto,
  32                 mark:  f
  33         });
  34 }
  35
  36 function rule_src_txt(s, hosts) {
  37         var z = uci.get('firewall', s, 'src');
  38
  39         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>}}'), {
  40                 src: E('span', { 'class': 'zonebadge', 'style': fwmodel.getZoneColorStyle(null) }, [E('em', _('any zone'))]),
  41                 src_ip: fwtool.map_invert(uci.get('firewall', s, 'src_ip'), 'toLowerCase'),
  42                 src_port: fwtool.map_invert(uci.get('firewall', s, 'src_port'))
  43         });
  44 }
  45
  46 function rule_dest_txt(s) {
  47         var z = uci.get('firewall', s, 'src');
  48
  49         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>}}'), {
  50                 dest: E('span', { 'class': 'zonebadge', 'style': fwmodel.getZoneColorStyle(z) }, [(z == '*') ? E('em', _('any zone')) : (z ? E('strong', z) : E('em', _('this device')))]),
  51                 dest_ip: fwtool.map_invert(uci.get('firewall', s, 'dest_ip'), 'toLowerCase'),
  52                 dest_port: fwtool.map_invert(uci.get('firewall', s, 'dest_port')),
  53                 dest_device: uci.get('firewall', s, 'device')
  54         });
  55 }
  56
  57 function rule_limit_txt(s) {
  58         var m = String(uci.get('firewall', s, 'limit')).match(/^(\d+)\/([smhd])\w*$/i),
  59             l = m ? {
  60                         num:   +m[1],
  61                         unit:  ({ s: _('second'), m: _('minute'), h: _('hour'), d: _('day') })[m[2]],
  62                         burst: uci.get('firewall', s, 'limit_burst')
  63                 } : null;
  64
  65         if (!l)
  66                 return '';
  67
  68         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 });
  69 }
  70
  71 function rule_target_txt(s) {
  72         var t = uci.get('firewall', s, 'target'),
  73             s = {
  74                 target:    t,
  75                 snat_ip:   uci.get('firewall', s, 'snat_ip'),
  76                 snat_port: uci.get('firewall', s, 'snat_port')
  77             };
  78
  79         switch (t) {
  80         case 'SNAT':
  81                 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);
  82
  83         case 'MASQUERADE':
  84                 return fwtool.fmt(_('<var data-tooltip="MASQUERADE">Automatically rewrite</var> source IP'));
  85
  86         case 'ACCEPT':
  87                 return fwtool.fmt(_('<var data-tooltip="ACCEPT">Prevent source rewrite</var>'));
  88
  89         default:
  90                 return t;
  91         }
  92 }
  93
  94 return view.extend({
  95         callHostHints: rpc.declare({
  96                 object: 'luci-rpc',
  97                 method: 'getHostHints',
  98                 expect: { '': {} }
  99         }),
 100
 101         callNetworkDevices: rpc.declare({
 102                 object: 'luci-rpc',
 103                 method: 'getNetworkDevices',
 104                 expect: { '': {} }
 105         }),
 106
 107         load: function() {
 108                 return Promise.all([
 109                         this.callHostHints(),
 110                         this.callNetworkDevices(),
 111                         uci.load('firewall')
 112                 ]);
 113         },
 114
 115         render: function(data) {
 116                 if (fwtool.checkLegacySNAT())
 117                         return fwtool.renderMigration();
 118                 else
 119                         return this.renderNats(data);
 120         },
 121
 122         renderNats: function(data) {
 123                 var hosts = data[0],
 124                     devs = data[1],
 125                     m, s, o;
 126
 127                 m = new form.Map('firewall', _('Firewall - NAT Rules'),
 128                         _('NAT rules allow fine grained control over the source IP to use for outbound or forwarded traffic.'));
 129
 130                 s = m.section(form.GridSection, 'nat', _('NAT Rules'));
 131                 s.addremove = true;
 132                 s.anonymous = true;
 133                 s.sortable  = true;
 134
 135                 s.tab('general', _('General Settings'));
 136                 s.tab('advanced', _('Advanced Settings'));
 137                 s.tab('timed', _('Time Restrictions'));
 138
 139                 s.sectiontitle = function(section_id) {
 140                         return uci.get('firewall', section_id, 'name') || _('Unnamed NAT');
 141                 };
 142
 143                 o = s.taboption('general', form.Value, 'name', _('Name'));
 144                 o.placeholder = _('Unnamed NAT');
 145                 o.modalonly = true;
 146
 147                 o = s.option(form.DummyValue, '_match', _('Match'));
 148                 o.modalonly = false;
 149                 o.textvalue = function(s) {
 150                         return E('small', [
 151                                 rule_proto_txt(s), E('br'),
 152                                 rule_src_txt(s, hosts), E('br'),
 153                                 rule_dest_txt(s), E('br'),
 154                                 rule_limit_txt(s)
 155                         ]);
 156                 };
 157
 158                 o = s.option(form.ListValue, '_target', _('Action'));
 159                 o.modalonly = false;
 160                 o.textvalue = function(s) {
 161                         return rule_target_txt(s);
 162                 };
 163
 164                 o = s.option(form.Flag, 'enabled', _('Enable'));
 165                 o.modalonly = false;
 166                 o.default = o.enabled;
 167                 o.editable = true;
 168
 169                 o = s.taboption('general', fwtool.CBIProtocolSelect, 'proto', _('Protocol'));
 170                 o.modalonly = true;
 171                 o.default = 'all';
 172
 173                 o = s.taboption('general', widgets.ZoneSelect, 'src', _('Outbound zone'));
 174                 o.modalonly = true;
 175                 o.rmempty = false;
 176                 o.nocreate = true;
 177                 o.allowany = true;
 178                 o.default = 'lan';
 179
 180                 o = fwtool.addIPOption(s, 'general', 'src_ip', _('Source address'),
 181                         _('Match forwarded traffic from this IP or range.'), 'ipv4', hosts);
 182                 o.rmempty = true;
 183                 o.datatype = 'neg(ipmask4("true"))';
 184
 185                 o = s.taboption('general', form.Value, 'src_port', _('Source port'),
 186                         _('Match forwarded traffic originating from the given source port or port range.'));
 187                 o.modalonly = true;
 188                 o.rmempty = true;
 189                 o.datatype = 'neg(portrange)';
 190                 o.placeholder = _('any');
 191                 o.depends({ proto: 'tcp', '!contains': true });
 192                 o.depends({ proto: 'udp', '!contains': true });
 193
 194                 o = fwtool.addIPOption(s, 'general', 'dest_ip', _('Destination address'),
 195                         _('Match forwarded traffic directed at the given IP address.'), 'ipv4', hosts);
 196                 o.rmempty = true;
 197                 o.datatype = 'neg(ipmask4("true"))';
 198
 199                 o = s.taboption('general', form.Value, 'dest_port', _('Destination port'),
 200                         _('Match forwarded traffic directed at the given destination port or port range.'));
 201                 o.modalonly = true;
 202                 o.rmempty = true;
 203                 o.placeholder = _('any');
 204                 o.datatype = 'neg(portrange)';
 205                 o.depends({ proto: 'tcp', '!contains': true });
 206                 o.depends({ proto: 'udp', '!contains': true });
 207
 208                 o = s.taboption('general', form.ListValue, 'target', _('Action'));
 209                 o.modalonly = true;
 210                 o.default = 'SNAT';
 211                 o.value('SNAT', _('SNAT - Rewrite to specific source IP or port'));
 212                 o.value('MASQUERADE', _('MASQUERADE - Automatically rewrite to outbound interface IP'));
 213                 o.value('ACCEPT', _('ACCEPT - Disable address rewriting'));
 214
 215                 o = fwtool.addLocalIPOption(s, 'general', 'snat_ip', _('Rewrite IP address'),
 216                         _('Rewrite matched traffic to the specified source IP address.'), devs);
 217                 o.placeholder = null;
 218                 o.depends('target', 'SNAT');
 219                 o.validate = function(section_id, value) {
 220                         var a = this.formvalue(section_id),
 221                             p = this.section.formvalue(section_id, 'snat_port');
 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 });