Mirror: Best-effort discovery of the machine's local network using just Node.js dgram sockets
fix: Fix probe and fallback method for Windows (#9)
* Add designated Microsoft virtual interface MAC
* Add viname by name
* Update probe route to IP/port combo that's definitely publicly routable
* Add changeset
authored by
Phil Pluckthun
and committed by
GitHub
6bf9bd3f
f4a38998
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.changeset/funny-sloths-joke.md
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.changeset/funny-sloths-joke.md
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src/network.ts
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src/network.ts
···
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};
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/** Determines if an assignment is internal (indicated by the flag or by a zeroed mac address) */
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export const isInternal = (assignment: NetworkAssignment) =>
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assignment.internal || parseMacStr(assignment.mac).every(x => !x);
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export const isInternal = (assignment: NetworkAssignment) => {
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if (assignment.internal) {
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return true;
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}
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const mac = parseMacStr(assignment.mac);
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if (mac.every(x => !x)) {
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return true;
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} else if (mac[0] === 0 && mac[1] === 21 && mac[2] === 93) {
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// NOTE(@kitten): Microsoft virtual interface
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return true;
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} else if (assignment.iname.includes('vEthernet')) {
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// NOTE(@kitten): Other Windows virtual interfaces
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return true;
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} else {
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return false;
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}
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};
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export const interfaceAssignments = (): NetworkAssignment[] => {
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const candidates: NetworkAssignment[] = [];
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src/route.ts
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src/route.ts
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import { createSocket } from 'dgram';
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const NOOP_PORT = 65535;
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const NOOP_IP = '255.255.255.255';
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const PROBE_PORT = 53;
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const PROBE_IP = '1.1.1.1';
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const NO_ROUTE_IP = '0.0.0.0';
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class DefaultRouteError extends TypeError {
···
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socket.close();
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socket.unref();
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});
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socket.connect(NOOP_PORT, NOOP_IP, () => {
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socket.connect(PROBE_PORT, PROBE_IP, () => {
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const address = socket.address();
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if (address && 'address' in address && address.address !== NO_ROUTE_IP) {
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resolve(address.address);