applications/luci-app-firewall/htdocs/luci-static/resources/view/firewall/forwards.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, ctHelpers) {
  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                         types: (pr[0] == 1 || pr[0] == 58) ? L.toArray(uci.get('firewall', s, 'icmp_type')) : null
  19                 };
  20         });
  21
  22         m = String(uci.get('firewall', s, 'helper') || '').match(/^(!\s*)?(\S+)$/);
  23         var h = m ? {
  24                 val:  m[0].toUpperCase(),
  25                 inv:  m[1],
  26                 name: (ctHelpers.filter(function(ctH) { return ctH.name.toLowerCase() == m[2].toLowerCase() })[0] || {}).description
  27         } : null;
  28
  29         m = String(uci.get('firewall', s, 'mark')).match(/^(!\s*)?(0x[0-9a-f]{1,8}|[0-9]{1,10})(?:\/(0x[0-9a-f]{1,8}|[0-9]{1,10}))?$/i);
  30         var f = m ? {
  31                 val:  m[0].toUpperCase().replace(/X/g, 'x'),
  32                 inv:  m[1],
  33                 num:  '0x%02X'.format(+m[2]),
  34                 mask: m[3] ? '0x%02X'.format(+m[3]) : null
  35         } : null;
  36
  37         return fwtool.fmt(_('Incoming IPv4%{proto?, protocol %{proto#%{next?, }%{item.types?<var class="cbi-tooltip-container">%{item.name}<span class="cbi-tooltip">ICMP with types %{item.types#%{next?, }<var>%{item}</var>}</span></var>:<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>}%{helper?, helper %{helper.inv?<var data-tooltip="Match any helper except &quot;%{helper.name}&quot;">%{helper.val}</var>:<var data-tooltip="%{helper.name}">%{helper.val}</var>}}'), {
  38                 proto: proto,
  39                 helper: h,
  40                 mark:   f
  41         });
  42 }
  43
  44 function rule_src_txt(s, hosts) {
  45         var z = uci.get('firewall', s, 'src');
  46
  47         return fwtool.fmt(_('From %{src}%{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>}}%{src_mac?, MAC %{src_mac#%{next?, }<var%{item.inv? data-tooltip="Match MACs except %{item.val}%{item.hint.name? a.k.a. %{item.hint.name}}.":%{item.hint.name? data-tooltip="%{item.hint.name}"}}>%{item.ival}</var>}}'), {
  48                 src: E('span', { 'class': 'zonebadge', 'style': 'background-color:' + fwmodel.getColorForName((z && z != '*') ? z : null) }, [(z == '*') ? E('em', _('any zone')) : (z || E('em', _('this device')))]),
  49                 src_ip: fwtool.map_invert(uci.get('firewall', s, 'src_ip'), 'toLowerCase'),
  50                 src_mac: fwtool.map_invert(uci.get('firewall', s, 'src_mac'), 'toUpperCase').map(function(v) { return Object.assign(v, { hint: hosts[v.val] }) }),
  51                 src_port: fwtool.map_invert(uci.get('firewall', s, 'src_port'))
  52         });
  53 }
  54
  55 function rule_dest_txt(s) {
  56         return fwtool.fmt(_('To %{dest}%{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>}}'), {
  57                 dest: E('span', { 'class': 'zonebadge', 'style': 'background-color:' + fwmodel.getColorForName(null) }, [E('em', _('this device'))]),
  58                 dest_ip: fwtool.map_invert(uci.get('firewall', s, 'src_dip'), 'toLowerCase'),
  59                 dest_port: fwtool.map_invert(uci.get('firewall', s, 'src_dport'))
  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 z = uci.get('firewall', s, 'dest');
  79
  80         return fwtool.fmt(_('<var data-tooltip="DNAT">Forward</var> to %{dest}%{dest_ip? IP <var>%{dest_ip}</var>}%{dest_port? port <var>%{dest_port}</var>}'), {
  81                 dest: E('span', { 'class': 'zonebadge', 'style': 'background-color:' + fwmodel.getColorForName((z && z != '*') ? z : null) }, [(z == '*') ? E('em', _('any zone')) : (z || E('em', _('this device')))]),
  82                 dest_ip: (uci.get('firewall', s, 'dest_ip') || '').toLowerCase(),
  83                 dest_port: uci.get('firewall', s, 'dest_port')
  84         });
  85 }
  86
  87 return L.view.extend({
  88         callHostHints: rpc.declare({
  89                 object: 'luci-rpc',
  90                 method: 'getHostHints',
  91                 expect: { '': {} }
  92         }),
  93
  94         callConntrackHelpers: rpc.declare({
  95                 object: 'luci',
  96                 method: 'getConntrackHelpers',
  97                 expect: { result: [] }
  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.callConntrackHelpers(),
 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.renderForwards(data);
 120         },
 121
 122         renderForwards: function(data) {
 123                 var hosts = data[0],
 124                     ctHelpers = data[1],
 125                     devs = data[2],
 126                     m, s, o;
 127
 128                 m = new form.Map('firewall', _('Firewall - Port Forwards'),
 129                         _('Port forwarding allows remote computers on the Internet to connect to a specific computer or service within the private LAN.'));
 130
 131                 s = m.section(form.GridSection, 'redirect', _('Port Forwards'));
 132                 s.addremove = true;
 133                 s.anonymous = true;
 134                 s.sortable  = true;
 135
 136                 s.tab('general', _('General Settings'));
 137                 s.tab('advanced', _('Advanced Settings'));
 138
 139                 s.filter = function(section_id) {
 140                         return (uci.get('firewall', section_id, 'target') != 'SNAT');
 141                 };
 142
 143                 s.sectiontitle = function(section_id) {
 144                         return uci.get('firewall', section_id, 'name') || _('Unnamed forward');
 145                 };
 146
 147                 s.handleAdd = function(ev) {
 148                         var config_name = this.uciconfig || this.map.config,
 149                             section_id = uci.add(config_name, this.sectiontype);
 150
 151                         uci.set(config_name, section_id, 'target', 'DNAT');
 152
 153                         this.addedSection = section_id;
 154                         this.renderMoreOptionsModal(section_id);
 155                 };
 156
 157                 o = s.taboption('general', form.Value, 'name', _('Name'));
 158                 o.placeholder = _('Unnamed forward');
 159                 o.modalonly = true;
 160
 161                 o = s.option(form.DummyValue, '_match', _('Match'));
 162                 o.modalonly = false;
 163                 o.textvalue = function(s) {
 164                         return E('small', [
 165                                 rule_proto_txt(s, ctHelpers), E('br'),
 166                                 rule_src_txt(s, hosts), E('br'),
 167                                 rule_dest_txt(s), E('br'),
 168                                 rule_limit_txt(s)
 169                         ]);
 170                 };
 171
 172                 o = s.option(form.ListValue, '_dest', _('Action'));
 173                 o.modalonly = false;
 174                 o.textvalue = function(s) {
 175                         return E('small', [
 176                                 rule_target_txt(s)
 177                         ]);
 178                 };
 179
 180                 o = s.option(form.Flag, 'enabled', _('Enable'));
 181                 o.modalonly = false;
 182                 o.default = o.enabled;
 183                 o.editable = true;
 184
 185                 o = s.taboption('general', fwtool.CBIProtocolSelect, 'proto', _('Protocol'));
 186                 o.modalonly = true;
 187                 o.default = 'tcp udp';
 188
 189                 o = s.taboption('general', widgets.ZoneSelect, 'src', _('Source zone'));
 190                 o.modalonly = true;
 191                 o.rmempty = false;
 192                 o.nocreate = true;
 193                 o.default = 'wan';
 194
 195                 o = fwtool.addMACOption(s, 'advanced', 'src_mac', _('Source MAC address'),
 196                         _('Only match incoming traffic from these MACs.'), hosts);
 197                 o.rmempty = true;
 198                 o.datatype = 'list(neg(macaddr))';
 199
 200                 o = fwtool.addIPOption(s, 'advanced', 'src_ip', _('Source IP address'),
 201                         _('Only match incoming traffic from this IP or range.'), 'ipv4', hosts);
 202                 o.rmempty = true;
 203                 o.datatype = 'neg(ipmask4)';
 204
 205                 o = s.taboption('advanced', form.Value, 'src_port', _('Source port'),
 206                         _('Only match incoming traffic originating from the given source port or port range on the client host'));
 207                 o.modalonly = true;
 208                 o.rmempty = true;
 209                 o.datatype = 'neg(portrange)';
 210                 o.placeholder = _('any');
 211                 o.depends({ proto: 'tcp', '!contains': true });
 212                 o.depends({ proto: 'udp', '!contains': true });
 213
 214                 o = fwtool.addLocalIPOption(s, 'advanced', 'src_dip', _('External IP address'),
 215                         _('Only match incoming traffic directed at the given IP address.'), devs);
 216                 o.datatype = 'neg(ipmask4)';
 217                 o.rmempty = true;
 218
 219                 o = s.taboption('general', form.Value, 'src_dport', _('External port'),
 220                         _('Match incoming traffic directed at the given destination port or port range on this host'));
 221                 o.modalonly = true;
 222                 o.rmempty = false;
 223                 o.datatype = 'neg(portrange)';
 224                 o.depends({ proto: 'tcp', '!contains': true });
 225                 o.depends({ proto: 'udp', '!contains': true });
 226
 227                 o = s.taboption('general', widgets.ZoneSelect, 'dest', _('Internal zone'));
 228                 o.modalonly = true;
 229                 o.rmempty = true;
 230                 o.nocreate = true;
 231                 o.default = 'lan';
 232
 233                 o = fwtool.addIPOption(s, 'general', 'dest_ip', _('Internal IP address'),
 234                         _('Redirect matched incoming traffic to the specified internal host'), 'ipv4', hosts);
 235                 o.rmempty = true;
 236                 o.datatype = 'ipmask4';
 237
 238                 o = s.taboption('general', form.Value, 'dest_port', _('Internal port'),
 239                         _('Redirect matched incoming traffic to the given port on the internal host'));
 240                 o.modalonly = true;
 241                 o.rmempty = true;
 242                 o.placeholder = _('any');
 243                 o.datatype = 'portrange';
 244                 o.depends({ proto: 'tcp', '!contains': true });
 245                 o.depends({ proto: 'udp', '!contains': true });
 246
 247                 o = s.taboption('advanced', form.Flag, 'reflection', _('Enable NAT Loopback'));
 248                 o.modalonly = true;
 249                 o.rmempty = true;
 250                 o.default = o.enabled;
 251
 252                 o = s.taboption('advanced', form.ListValue, 'reflection_src', _('Loopback source IP'), _('Specifies whether to use the external or the internal IP address for reflected traffic.'));
 253                 o.modalonly = true;
 254                 o.depends('reflection', '1');
 255                 o.value('internal', _('Use internal IP address'));
 256                 o.value('external', _('Use external IP address'));
 257                 o.write = function(section_id, value) {
 258                         uci.set('firewall', section_id, 'reflection_src', (value != 'internal') ? value : null);
 259                 };
 260
 261                 o = s.taboption('advanced', form.Value, 'helper', _('Match helper'), _('Match traffic using the specified connection tracking helper.'));
 262                 o.modalonly = true;
 263                 o.placeholder = _('any');
 264                 for (var i = 0; i < ctHelpers.length; i++)
 265                         o.value(ctHelpers[i].name, '%s (%s)'.format(ctHelpers[i].description, ctHelpers[i].name.toUpperCase()));
 266                 o.validate = function(section_id, value) {
 267                         if (value == '' || value == null)
 268                                 return true;
 269
 270                         value = value.replace(/^!\s*/, '');
 271
 272                         for (var i = 0; i < ctHelpers.length; i++)
 273                                 if (value == ctHelpers[i].name)
 274                                         return true;
 275
 276                         return _('Unknown or not installed conntrack helper "%s"').format(value);
 277                 };
 278
 279                 fwtool.addMarkOption(s, false);
 280                 fwtool.addLimitOption(s);
 281                 fwtool.addLimitBurstOption(s);
 282
 283                 o = s.taboption('advanced', form.Value, 'extra', _('Extra arguments'),
 284                         _('Passes additional arguments to iptables. Use with care!'));
 285                 o.modalonly = true;
 286                 o.rmempty = true;
 287
 288                 return m.render();
 289         }
 290 });