Revert "net: validate host name for server listen"

This reverts commit 52322aa.
nodejs · Aug 25, 2024 · c3653d2 · c3653d2
1 parent 43f699d
commit c3653d2
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diff --git a/lib/net.js b/lib/net.js
@@ -35,8 +35,6 @@ const {
   NumberParseInt,
   ObjectDefineProperty,
   ObjectSetPrototypeOf,
-  RegExp,
-  RegExpPrototypeExec,
   Symbol,
   SymbolAsyncDispose,
   SymbolDispose,
@@ -145,8 +143,6 @@ const { kTimeout } = require('internal/timers');
 const DEFAULT_IPV4_ADDR = '0.0.0.0';
 const DEFAULT_IPV6_ADDR = '::';
 
-const HOST_REGEXP = new RegExp('^[a-zA-Z0-9-:%.]+$');
-
 const noop = () => {};
 
 const kPerfHooksNetConnectContext = Symbol('kPerfHooksNetConnectContext');
@@ -2024,10 +2020,6 @@ Server.prototype.listen = function(...args) {
     toNumber(args.length > 2 && args[2]);  // (port, host, backlog)
 
   options = options._handle || options.handle || options;
-  if (typeof options.host === 'string' && RegExpPrototypeExec(HOST_REGEXP, options.host) === null) {
-    throw new ERR_INVALID_ARG_VALUE('host', options.host);
-  }
-
   const flags = getFlags(options.ipv6Only);
   //  Refresh the id to make the previous call invalid
   this._listeningId++;

diff --git a/test/parallel/test-net-server-listen-options.js b/test/parallel/test-net-server-listen-options.js
@@ -15,10 +15,6 @@ function close() { this.close(); }
   // Test listen({port})
   net.createServer().listen({ port: 0 })
     .on('listening', common.mustCall(close));
-  // Test listen(host, port}) on ipv4
-  net.createServer().listen({ host: '127.0.0.1', port: '3000' }).on('listening', common.mustCall(close));
-  // Test listen(host, port}) on ipv6
-  net.createServer().listen({ host: '::', port: '3001' }).on('listening', common.mustCall(close));
 }
 
 // Test listen(port, cb) and listen({ port }, cb) combinations
@@ -70,13 +66,6 @@ const listenOnPort = [
                       name: 'TypeError',
                       message: /^The argument 'options' must have the property "port" or "path"\. Received .+$/,
                     });
-    } else if (typeof options.host === 'string' && !options.host.match(/^[a-zA-Z0-9-:%.]+$/)) {
-      assert.throws(fn,
-                    {
-                      code: 'ERR_INVALID_ARG_VALUE',
-                      name: 'TypeError',
-                      message: /^The argument 'host' is invalid\. Received .+$/,
-                    });
     } else {
       assert.throws(fn,
                     {
@@ -102,5 +91,4 @@ const listenOnPort = [
   shouldFailToListen({ host: 'localhost:3000' });
   shouldFailToListen({ host: { port: 3000 } });
   shouldFailToListen({ exclusive: true });
-  shouldFailToListen({ host: '[::]', port: 3000 });
 }