Update to the TLS hostname verification algorithm changes.

Author: vietj

vertx-mssql-client/src/main/java/io/vertx/mssqlclient/impl/MSSQLSocketConnection.java

@@ -110,6 +110,7 @@ Future<Void> enableSsl(boolean clientConfigSsl, byte encryptionLevel, MSSQLConne
     if (!clientConfigSsl) {
       sslOptions.setTrustAll(true);
     }
+    sslOptions.setHostnameVerificationAlgorithm("");
 
     // 2. Create and set up an SSLHelper and SSLHandler
     // options.getApplicationLayerProtocols()

vertx-mysql-client/src/main/java/io/vertx/mysqlclient/impl/MySQLConnectionFactory.java

@@ -65,6 +65,9 @@ protected Future<Connection> doConnectInternal(MySQLConnectOptions options, Cont
         sslOptions = null;
         break;
     }
+    if (sslOptions != null && sslOptions.getHostnameVerificationAlgorithm() == null) {
+      sslOptions.setHostnameVerificationAlgorithm("");
+    }
     int capabilitiesFlag = capabilitiesFlags(options);
     if (sslMode == SslMode.PREFERRED) {
       return doConnect(options, sslMode, sslOptions, capabilitiesFlag, context).recover(err -> doConnect(options, SslMode.DISABLED, null, capabilitiesFlag, context));

vertx-pg-client/src/main/java/io/vertx/pgclient/impl/PgConnectionFactory.java

@@ -24,10 +24,7 @@
 import io.vertx.core.impl.ContextInternal;
 import io.vertx.core.impl.VertxInternal;
 import io.vertx.core.impl.future.PromiseInternal;
-import io.vertx.core.net.ConnectOptions;
-import io.vertx.core.net.NetSocket;
-import io.vertx.core.net.SocketAddress;
-import io.vertx.core.net.TrustOptions;
+import io.vertx.core.net.*;
 import io.vertx.core.net.impl.NetSocketInternal;
 import io.vertx.core.spi.metrics.ClientMetrics;
 import io.vertx.core.spi.metrics.VertxMetrics;
@@ -136,7 +133,11 @@ private Future<Connection> doConnect(ConnectOptions connectOptions, ContextInter
       // upgrade connection to SSL if needed
       connFut = connFut.flatMap(conn -> Future.future(p -> {
         PgSocketConnection socket = (PgSocketConnection) conn;
-        socket.upgradeToSSLConnection(options.getSslOptions(), ar2 -> {
+        ClientSSLOptions o = options.getSslOptions().copy();
+        if (o.getHostnameVerificationAlgorithm() == null) {
+          o.setHostnameVerificationAlgorithm("");
+        }
+        socket.upgradeToSSLConnection(o, ar2 -> {
           if (ar2.succeeded()) {
             p.complete(conn);
           } else {