[CONJS-336] connection attribute _server_host send host, but IP resulting of name resolution

Author: rusher

lib/cmd/change-user.js

@@ -19,7 +19,7 @@ import packageJson from '../../package.json' with { type: 'json' };
  */
 class ChangeUser extends Authentication {
   constructor(cmdParam, connOpts, resolve, reject, getSocket) {
-    super(cmdParam, resolve, reject, () => {}, getSocket);
+    super(cmdParam, connOpts.host, resolve, reject, () => {}, getSocket);
     this.configAssign(connOpts, cmdParam.opts);
   }
 

lib/cmd/handshake/auth/handshake.js

@@ -19,14 +19,15 @@ const driverVersion = packageJson.version;
  * Handshake response
  */
 class Handshake extends PluginAuth {
-  constructor(auth, getSocket, multiAuthResolver, reject) {
+  constructor(auth, host, getSocket, multiAuthResolver, reject) {
     super(null, multiAuthResolver, reject);
     this.sequenceNo = 0;
     this.compressSequenceNo = 0;
     this.auth = auth;
     this.getSocket = getSocket;
     this.counter = 0;
     this.onPacketReceive = this.parseHandshakeInit;
+    this.host = host;
   }
 
   start(out, opts, info) {}
@@ -160,10 +161,9 @@ class Handshake extends PluginAuth {
       Handshake.writeAttribute(out, '_client_version', encoding);
       Handshake.writeAttribute(out, driverVersion, encoding);
 
-      const address = cmd.getSocket().address().address;
-      if (address) {
+      if (this.host) {
         Handshake.writeAttribute(out, '_server_host', encoding);
-        Handshake.writeAttribute(out, address, encoding);
+        Handshake.writeAttribute(out, this.host, encoding);
       }
 
       Handshake.writeAttribute(out, '_os', encoding);

lib/cmd/handshake/authentication.js

@@ -36,12 +36,12 @@ const authenticationPlugins = {
  * see https://mariadb.com/kb/en/library/1-connecting-connecting/
  */
 class Authentication extends Command {
-  constructor(cmdParam, resolve, reject, _createSecureContext, getSocket) {
+  constructor(cmdParam, host, resolve, reject, _createSecureContext, getSocket) {
     super(cmdParam, resolve, reject);
     this.cmdParam = cmdParam;
     this._createSecureContext = _createSecureContext;
     this.getSocket = getSocket;
-    this.plugin = new Handshake(this, getSocket, this.handshakeResult, reject);
+    this.plugin = new Handshake(this, host, getSocket, this.handshakeResult, reject);
   }
 
   onPacketReceive(packet, out, opts, info) {

lib/connection.js

@@ -134,6 +134,7 @@ class Connection extends EventEmitter {
       // Add a handshake to msg queue
       const authentication = new Authentication(
         authenticationParam,
+        conn.opts.host,
         conn.authSucceedHandler.bind(conn),
         conn.authFailHandler.bind(conn),
         conn.createSecureContext.bind(conn),

test/integration/auth-plugin.test.js

@@ -645,15 +645,25 @@ describe.concurrent('authentication plugin', () => {
       return;
     }
 
+    let strictPasswordValidation;
+    try {
+      const res = await shareConn.query('SELECT @@global.strict_password_validation');
+      strictPasswordValidation = res[0]['@@global.strict_password_validation'] === 1;
+    } catch (e) {
+      strictPasswordValidation = false;
+    }
+
     await shareConn.query('drop user verifParsec' + getHostSuffix()).catch(() => {});
     await shareConn.query(
       'CREATE USER verifParsec' + getHostSuffix() + " IDENTIFIED VIA parsec USING PASSWORD('MySup8%rPassw@ord')"
     );
     await shareConn.query('GRANT SELECT on `' + Conf.baseConfig.database + '`.* to verifParsec' + getHostSuffix());
 
-    await shareConn.query('drop user verifParsec2' + getHostSuffix()).catch(() => {});
-    await shareConn.query('CREATE USER verifParsec2' + getHostSuffix() + " IDENTIFIED VIA parsec USING PASSWORD('')");
-    await shareConn.query('GRANT SELECT on `' + Conf.baseConfig.database + '`.* to verifParsec2' + getHostSuffix());
+    if (!strictPasswordValidation) {
+      await shareConn.query('drop user verifParsec2' + getHostSuffix()).catch(() => {});
+      await shareConn.query('CREATE USER verifParsec2' + getHostSuffix() + " IDENTIFIED VIA parsec USING PASSWORD('')");
+      await shareConn.query('GRANT SELECT on `' + Conf.baseConfig.database + '`.* to verifParsec2' + getHostSuffix());
+    }
 
     let conn = await createConnection({
       user: 'verifParsec',