Files

283 lines
8.9 KiB
JavaScript

'use strict';
'require fs';
'require rpc';
'require ui';
'require validation';
'require view';
const callNetworkInterfaceDump = rpc.declare({
object: 'network.interface',
method: 'dump',
expect: { interface: [] }
});
const callUfpList = rpc.declare({
object: 'fingerprint',
method: 'fingerprint',
expect: { '': {} }
});
function applyMask(addr, mask, v6) {
const words = v6 ? validation.parseIPv6(addr) : validation.parseIPv4(addr);
const bword = v6 ? 0xffff : 0xff;
const bwlen = v6 ? 16 : 8;
if (!words || mask < 0 || mask > (v6 ? 128 : 32))
return null;
for (let i = 0; i < words.length; i++) {
const b = Math.min(mask, bwlen);
words[i] &= (bword << (bwlen - b)) & bword;
mask -= b;
}
return String.prototype.format.apply(
v6 ? '%x:%x:%x:%x:%x:%x:%x:%x' : '%d.%d.%d.%d', words);
}
return view.extend({
load() {
return Promise.all([
callNetworkInterfaceDump(),
L.resolveDefault(fs.exec('/sbin/ip', [ '-4', 'neigh', 'show' ]), { stdout: '' }),
L.resolveDefault(fs.exec('/sbin/ip', [ '-4', 'route', 'show', 'table', 'all' ]), { stdout: '' }),
L.resolveDefault(fs.exec('/sbin/ip', [ '-4', 'rule', 'show' ]), { stdout: '' }),
L.resolveDefault(fs.exec('/sbin/ip', [ '-6', 'neigh', 'show' ]), { stdout: '' }),
L.resolveDefault(fs.exec('/sbin/ip', [ '-6', 'route', 'show', 'table', 'all' ]), { stdout: '' }),
L.resolveDefault(fs.exec('/sbin/ip', [ '-6', 'rule', 'show' ]), { stdout: '' }),
L.hasSystemFeature('ufpd') ? callUfpList() : null
]);
},
getNetworkByDevice(networks, dev, addr, mask, v6) {
const addr_arrays = [ 'ipv4-address', 'ipv6-address', 'ipv6-prefix', 'ipv6-prefix-assignment', 'route' ];
let matching_iface = null;
let matching_prefix = -1;
for (const net of networks) {
if (!L.isObject(net) || (net.l3_device !== dev && net.device !== dev))
continue;
for (const key of addr_arrays) {
const list = net[key];
if (!Array.isArray(list)) continue;
for (const { address, target, mask: cmp_mask } of list) {
const cmp_addr = address || target;
if (!cmp_addr) continue;
if (applyMask(cmp_addr, cmp_mask, v6) !== applyMask(addr, cmp_mask, v6) || mask < cmp_mask)
continue;
if (cmp_mask > matching_prefix) {
matching_iface = net.interface;
matching_prefix = cmp_mask;
}
}
}
}
return matching_iface;
},
parseNeighbs(nbs, macs, networks, v6) {
if (!nbs) return [];
const res = [];
for (const line of nbs.trim().split(/\n/)) {
const [, addr = null, f = [], state = null] = line.match(/^([0-9a-f:.]+) (.+) (\S+) *$/);
const flags = f?.trim?.().split?.(/\s+/);
let vendor;
if (!addr || !state || addr.match(/^fe[89a-f][0-9a-f]:/))
continue;
for (let j = 0; j < flags.length; j += 2)
flags[flags[j]] = flags[j + 1];
if (!flags.lladdr)
continue;
for (let mac in macs) {
if (flags.lladdr === mac)
vendor = macs[mac].vendor;
}
const net = this.getNetworkByDevice(networks, flags.dev, addr, v6 ? 128 : 32, v6);
res.push([
addr,
vendor ? flags.lladdr.toUpperCase() + ` (${vendor})` : flags.lladdr.toUpperCase(),
E('span', { 'class': 'ifacebadge' }, [ net ? net : '(%s)'.format(flags.dev) ]),
]);
}
return res;
},
parseRoutes(routes, networks, v6) {
if (!routes) return [];
const res = [];
for (const line of routes.trim().split(/\n/)) {
const [, type = 'unicast', d, f = [] ] = line.match(/^(?:([a-z_]+|\d+) )?(default|[0-9a-f:./]+) (.+)$/);
const dest = d == 'default' ? (v6 ? '::/0' : '0.0.0.0/0') : d;
const flags = f?.trim?.().split?.(/\s+/);
if (!dest || type != 'unicast' || dest == 'fe80::/64' || dest == 'ff00::/8')
continue;
for (let j = 0; j < flags.length; j += 2)
flags[flags[j]] = flags[j + 1];
const [addr, bits = (v6 ? 128 : 32)] = dest.split('/');
const net = this.getNetworkByDevice(networks, flags.dev, addr, bits, v6);
res.push([
E('span', { 'class': 'ifacebadge' }, [ net ? net : '(%s)'.format(flags.dev) ]),
dest,
flags.via || '-',
flags.src || flags.from || '-',
String(flags.metric || 0),
flags.table || 'main',
flags.proto,
]);
}
return res;
},
parseRules: rules => rules?.trim()?.split('\n')?.map(l => {
const [, prio=null, rule=null] = l.match(/^(\d+):\s+(.+)$/) || [];
return [prio, rule];
}),
render([
networks,
{ stdout: ip4neigh = '' } = {},
{ stdout: ip4route = '' } = {},
{ stdout: ip4rule = '' } = {},
{ stdout: ip6neigh = '' } = {},
{ stdout: ip6route = '' } = {},
{ stdout: ip6rule = '' } = {},
macdata,
]) {
const device_title = _('Which is used to access this %s').format(_('Target'));
const target_title = _('Network and its mask that define the size of the destination');
const gateway_title = _('The address through which this %s is reachable').format(_('Target'));
const metric_title = _('Quantifies the cost or distance to a destination in a way that allows routers to make informed decisions about the optimal path to forward data packets');
const table_title = _('Common name or numeric ID of the %s in which this route is found').format(_('Table'));
const proto_title = _('The routing protocol identifier of this route');
const source_title = _('Network and its mask that define which source addresses use this route');
const neigh4tbl = E('table', { 'class': 'table' }, [
E('tr', { 'class': 'tr table-titles' }, [
E('th', { 'class': 'th' }, [ _('IP address') ]),
E('th', { 'class': 'th' }, [ _('MAC address') ]),
E('th', { 'class': 'th' }, [ _('Interface') ]),
])
]);
const route4tbl = E('table', { 'class': 'table' }, [
E('tr', { 'class': 'tr table-titles' }, [
E('th', { 'class': 'th', 'title': device_title }, [ _('Device') ]),
E('th', { 'class': 'th', 'title': target_title }, [ _('Target') ]),
E('th', { 'class': 'th', 'title': gateway_title }, [ _('Gateway') ]),
E('th', { 'class': 'th', 'title': source_title }, [ _('Source') ]),
E('th', { 'class': 'th', 'title': metric_title }, [ _('Metric') ]),
E('th', { 'class': 'th', 'title': table_title }, [ _('Table') ]),
E('th', { 'class': 'th', 'title': proto_title }, [ _('Protocol') ]),
])
]);
const rule4tbl = E('table', { 'class': 'table' }, [
E('tr', { 'class': 'tr table-titles' }, [
E('th', { 'class': 'th' }, [ _('Priority') ]),
E('th', { 'class': 'th' }, [ _('Rule') ]),
])
]);
const neigh6tbl = E('table', { 'class': 'table' }, [
E('tr', { 'class': 'tr table-titles' }, [
E('th', { 'class': 'th' }, [ _('IP address') ]),
E('th', { 'class': 'th' }, [ _('MAC address') ]),
E('th', { 'class': 'th' }, [ _('Interface') ]),
])
]);
const route6tbl = E('table', { 'class': 'table' }, [
E('tr', { 'class': 'tr table-titles' }, [
E('th', { 'class': 'th', 'title': device_title }, [ _('Device') ]),
E('th', { 'class': 'th', 'title': target_title }, [ _('Target') ]),
E('th', { 'class': 'th', 'title': gateway_title }, [ _('Gateway') ]),
E('th', { 'class': 'th', 'title': source_title }, [ _('Source') ]),
E('th', { 'class': 'th', 'title': metric_title }, [ _('Metric') ]),
E('th', { 'class': 'th', 'title': table_title }, [ _('Table') ]),
E('th', { 'class': 'th', 'title': proto_title }, [ _('Protocol') ]),
])
]);
const rule6tbl = E('table', { 'class': 'table' }, [
E('tr', { 'class': 'tr table-titles' }, [
E('th', { 'class': 'th' }, [ _('Priority') ]),
E('th', { 'class': 'th' }, [ _('Rule') ]),
])
]);
cbi_update_table(neigh4tbl, this.parseNeighbs(ip4neigh, macdata, networks, false),
E('em', _('No entries available'))
);
cbi_update_table(route4tbl, this.parseRoutes(ip4route, networks, false),
E('em', _('No entries available'))
);
cbi_update_table(rule4tbl, this.parseRules(ip4rule),
E('em', _('No entries available'))
);
cbi_update_table(neigh6tbl, this.parseNeighbs(ip6neigh, macdata, networks, true),
E('em', _('No entries available'))
);
cbi_update_table(route6tbl, this.parseRoutes(ip6route, networks, true),
E('em', _('No entries available'))
);
cbi_update_table(rule6tbl, this.parseRules(ip6rule),
E('em', _('No entries available'))
);
const view = E([], [
E('h2', {}, [ _('Routing') ]),
E('p', {}, [ _('The following rules are currently active on this system.') ]),
E('div', {}, [
E('div', { 'class': 'cbi-section', 'data-tab': 'ipv4routing', 'data-tab-title': _('IPv4 Routing') }, [
E('h3', {}, [ _('IPv4 Neighbours') ]),
neigh4tbl,
E('h3', {}, [ _('Active IPv4 Routes') ]),
route4tbl,
E('h3', {}, [ _('Active IPv4 Rules') ]),
rule4tbl,
]),
E('div', { 'class': 'cbi-section', 'data-tab': 'ipv6routing', 'data-tab-title': _('IPv6 Routing') }, [
E('h3', {}, [ _('IPv6 Neighbours') ]),
neigh6tbl,
E('h3', {}, [ _('Active IPv6 Routes') ]),
route6tbl,
E('h3', {}, [ _('Active IPv6 Rules') ]),
rule6tbl,
])
])
]);
ui.tabs.initTabGroup(view.lastElementChild.childNodes);
return view;
},
handleSaveApply: null,
handleSave: null,
handleReset: null
});