modules/luci-mod-status/htdocs/luci-static/resources/view/status/routes.js

   1 'use strict';
   2 'require fs';
   3 'require rpc';
   4 'require validation';
   5
   6 var callNetworkInterfaceDump = rpc.declare({
   7         object: 'network.interface',
   8         method: 'dump',
   9         expect: { interface: [] }
  10 });
  11
  12 function applyMask(addr, mask, v6) {
  13         var words = v6 ? validation.parseIPv6(addr) : validation.parseIPv4(addr);
  14
  15         if (!words || mask < 0 || mask > (v6 ? 128 : 32))
  16                 return null;
  17
  18         for (var i = 0; i < words.length; i++) {
  19                 var b = Math.min(mask, v6 ? 16 : 8);
  20                 words[i] &= ((1 << b) - 1);
  21                 mask -= b;
  22         }
  23
  24         return String.prototype.format.apply(
  25                 v6 ? '%x:%x:%x:%x:%x:%x:%x:%x' : '%d.%d.%d.%d', words);
  26 }
  27
  28 return L.view.extend({
  29         load: function() {
  30                 return Promise.all([
  31                         callNetworkInterfaceDump(),
  32                         L.resolveDefault(fs.exec('/sbin/ip', [ '-4', 'neigh', 'show' ]), {}),
  33                         L.resolveDefault(fs.exec('/sbin/ip', [ '-4', 'route', 'show', 'table', 'all' ]), {}),
  34                         L.resolveDefault(fs.exec('/sbin/ip', [ '-6', 'neigh', 'show' ]), {}),
  35                         L.resolveDefault(fs.exec('/sbin/ip', [ '-6', 'route', 'show', 'table', 'all' ]), {})
  36                 ]);
  37         },
  38
  39         getNetworkByDevice(networks, dev, addr, mask, v6) {
  40                 var addr_arrays = [ 'ipv4-address', 'ipv6-address', 'ipv6-prefix', 'ipv6-prefix-assignment', 'route' ],
  41                     matching_iface = null,
  42                     matching_prefix = -1;
  43
  44                 for (var i = 0; i < networks.length; i++) {
  45                         if (!L.isObject(networks[i]))
  46                                 continue;
  47
  48                         if (networks[i].l3_device != dev && networks[i].device != dev)
  49                                 continue;
  50
  51                         for (var j = 0; j < addr_arrays.length; j++) {
  52                                 var addr_list = networks[i][addr_arrays[j]];
  53
  54                                 if (!Array.isArray(addr_list) || addr_list.length == 0)
  55                                         continue;
  56
  57                                 for (var k = 0; k < addr_list.length; k++) {
  58                                         var cmp_addr = addr_list[k].address || addr_list[k].target,
  59                                             cmp_mask = addr_list[k].mask;
  60
  61                                         if (cmp_addr == null)
  62                                                 continue;
  63
  64                                         var addr1 = applyMask(cmp_addr, cmp_mask, v6),
  65                                             addr2 = applyMask(addr, cmp_mask, v6);
  66
  67                                         if (addr1 != addr2 || mask < cmp_mask)
  68                                                 continue;
  69
  70                                         if (cmp_mask > matching_prefix) {
  71                                                 matching_iface = networks[i].interface;
  72                                                 matching_prefix = cmp_mask;
  73                                         }
  74                                 }
  75                         }
  76                 }
  77
  78                 return matching_iface;
  79         },
  80
  81         parseNeigh: function(s, networks, v6) {
  82                 var lines = s.trim().split(/\n/),
  83                     res = [];
  84
  85                 for (var i = 0; i < lines.length; i++) {
  86                         var m = lines[i].match(/^([0-9a-f:.]+) (.+) (\S+)$/),
  87                             addr = m ? m[1] : null,
  88                             flags = m ? m[2].trim().split(/\s+/) : [],
  89                             state = (m ? m[3] : null) || 'FAILED';
  90
  91                         if (!addr || state == 'FAILED' || addr.match(/^fe[89a-f][0-9a-f]:/))
  92                                 continue;
  93
  94                         for (var j = 0; j < flags.length; j += 2)
  95                                 flags[flags[j]] = flags[j + 1];
  96
  97                         if (!flags.lladdr)
  98                                 continue;
  99
 100                         var net = this.getNetworkByDevice(networks, flags.dev, addr, v6 ? 128 : 32, v6);
 101
 102                         res.push([
 103                                 addr,
 104                                 flags.lladdr.toUpperCase(),
 105                                 E('span', { 'class': 'ifacebadge' }, [ net ? net : '(%s)'.format(flags.dev) ])
 106                         ]);
 107                 }
 108
 109                 return res;
 110         },
 111
 112         parseRoute: function(s, networks, v6) {
 113                 var lines = s.trim().split(/\n/),
 114                     res = [];
 115
 116                 for (var i = 0; i < lines.length; i++) {
 117                         var m = lines[i].match(/^(?:([a-z_]+|\d+) )?(default|[0-9a-f:.\/]+) (.+)$/),
 118                             type = (m ? m[1] : null) || 'unicast',
 119                             dest = m ? (m[2] == 'default' ? (v6 ? '::/0' : '0.0.0.0/0') : m[2]) : null,
 120                             flags = m ? m[3].trim().split(/\s+/) : [];
 121
 122                         if (!dest || type != 'unicast' || dest == 'fe80::/64' || dest == 'ff00::/8')
 123                                 continue;
 124
 125                         for (var j = 0; j < flags.length; j += 2)
 126                                 flags[flags[j]] = flags[j + 1];
 127
 128                         var addr = dest.split('/'),
 129                             bits = (addr[1] != null) ? +addr[1] : (v6 ? 128 : 32),
 130                             net = this.getNetworkByDevice(networks, flags.dev, addr[0], bits, v6);
 131
 132                         res.push([
 133                                 E('span', { 'class': 'ifacebadge' }, [ net ? net : '(%s)'.format(flags.dev) ]),
 134                                 dest,
 135                                 (v6 ? flags.from : flags.via) || '-',
 136                                 String(flags.metric || 0),
 137                                 flags.table || 'main'
 138                         ]);
 139                 }
 140
 141                 return res;
 142         },
 143
 144         render: function(data) {
 145                 var networks = data[0],
 146                     ip4neigh = data[1].stdout || '',
 147                     ip4route = data[2].stdout || '',
 148                     ip6neigh = data[3].stdout || '',
 149                     ip6route = data[4].stdout || '';
 150
 151                 var neigh4tbl = E('div', { 'class': 'table' }, [
 152                         E('div', { 'class': 'tr table-titles' }, [
 153                                 E('div', { 'class': 'th' }, [ _('IPv4-Address') ]),
 154                                 E('div', { 'class': 'th' }, [ _('MAC-Address') ]),
 155                                 E('div', { 'class': 'th' }, [ _('Interface') ])
 156                         ])
 157                 ]);
 158
 159                 var route4tbl = E('div', { 'class': 'table' }, [
 160                         E('div', { 'class': 'tr table-titles' }, [
 161                                 E('div', { 'class': 'th' }, [ _('Network') ]),
 162                                 E('div', { 'class': 'th' }, [ _('Target') ]),
 163                                 E('div', { 'class': 'th' }, [ _('IPv4-Gateway') ]),
 164                                 E('div', { 'class': 'th' }, [ _('Metric') ]),
 165                                 E('div', { 'class': 'th' }, [ _('Table') ])
 166                         ])
 167                 ]);
 168
 169                 var neigh6tbl = E('div', { 'class': 'table' }, [
 170                         E('div', { 'class': 'tr table-titles' }, [
 171                                 E('div', { 'class': 'th' }, [ _('IPv6-Address') ]),
 172                                 E('div', { 'class': 'th' }, [ _('MAC-Address') ]),
 173                                 E('div', { 'class': 'th' }, [ _('Interface') ])
 174                         ])
 175                 ]);
 176
 177                 var route6tbl = E('div', { 'class': 'table' }, [
 178                         E('div', { 'class': 'tr table-titles' }, [
 179                                 E('div', { 'class': 'th' }, [ _('Network') ]),
 180                                 E('div', { 'class': 'th' }, [ _('Target') ]),
 181                                 E('div', { 'class': 'th' }, [ _('Source') ]),
 182                                 E('div', { 'class': 'th' }, [ _('Metric') ]),
 183                                 E('div', { 'class': 'th' }, [ _('Table') ])
 184                         ])
 185                 ]);
 186
 187                 cbi_update_table(neigh4tbl, this.parseNeigh(ip4neigh, networks, false));
 188                 cbi_update_table(route4tbl, this.parseRoute(ip4route, networks, false));
 189                 cbi_update_table(neigh6tbl, this.parseNeigh(ip6neigh, networks, true));
 190                 cbi_update_table(route6tbl, this.parseRoute(ip6route, networks, true));
 191
 192                 return E([], [
 193                         E('h2', {}, [ _('Routes') ]),
 194                         E('p', {}, [ _('The following rules are currently active on this system.') ]),
 195
 196                         E('h3', {}, [ _('ARP') ]),
 197                         neigh4tbl,
 198
 199                         E('h3', {}, _('Active <abbr title="Internet Protocol Version 4">IPv4</abbr>-Routes')),
 200                         route4tbl,
 201
 202                         E('h3', {}, [ _('IPv6 Neighbours') ]),
 203                         neigh6tbl,
 204
 205                         E('h3', {}, _('Active <abbr title="Internet Protocol Version 6">IPv6</abbr>-Routes')),
 206                         route6tbl
 207                 ]);
 208         },
 209
 210         handleSaveApply: null,
 211         handleSave: null,
 212         handleReset: null
 213 });
 214