restrict default to TLS 1.2 if old/unavailable OpenSSL

gradle.properties

@@ -1,11 +1,11 @@
 group = org.xbib
 name = netty-http
-version = 4.1.66.0
+version = 4.1.68.0
 
 gradle.wrapper.version = 6.6.1
 
-netty.version = 4.1.66.Final
+netty.version = 4.1.68.Final
-tcnative.version = 2.0.40.Final
+tcnative.version = 2.0.43.Final
 bouncycastle.version = 1.69
 reactivestreams.version = 1.0.3
 reactivex.version = 1.3.8

netty-http-client/src/main/java/org/xbib/netty/http/client/Client.java

@@ -693,7 +693,7 @@ public final class Client implements AutoCloseable {
             return this;
         }
 
-        public Builder setTlsProtocols(String[] protocols) {
+        public Builder setTransportLayerSecurityProtocols(String... protocols) {
             clientConfig.setProtocols(protocols);
             return this;
         }

netty-http-client/src/main/java/org/xbib/netty/http/client/ClientConfig.java

@@ -6,6 +6,7 @@ import io.netty.handler.codec.http2.Http2Settings;
 import io.netty.handler.logging.LogLevel;
 import io.netty.handler.proxy.HttpProxyHandler;
 import io.netty.handler.ssl.CipherSuiteFilter;
+import io.netty.handler.ssl.OpenSsl;
 import io.netty.handler.ssl.SslProvider;
 import org.xbib.netty.http.client.api.Pool;
 import org.xbib.netty.http.client.api.BackOff;
@@ -94,7 +95,6 @@ public class ClientConfig {
 
         /**
          * This is Netty's default.
-         * See {@link io.netty.handler.codec.MessageAggregator}.
          */
         int MAX_COMPOSITE_BUFFER_COMPONENTS = 1024;
 
@@ -119,9 +119,11 @@ public class ClientConfig {
         Provider SSL_CONTEXT_PROVIDER = null;
 
         /**
-         * Transport layer security protocol versions.
+         * Default transport layer security protocol versions (depends on OpenSSL version)
          */
-        String[] PROTOCOLS = new String[] { "TLSv1.3", "TLSv1.2" };
+        String[] PROTOCOLS = OpenSsl.isAvailable() && OpenSsl.version() <= 0x10101009L ?
+                new String[] { "TLSv1.2" } :
+                new String[] { "TLSv1.3", "TLSv1.2" };
 
         /**
          * Default ciphers. We care about HTTP/2.

netty-http-client/src/test/java/org/xbib/netty/http/client/test/conscrypt/ConscryptTest.java

@@ -28,7 +28,7 @@ class ConscryptTest {
         Client client = Client.builder()
                 .setJdkSslProvider()
                 .setSslContextProvider(provider)
-                .setTlsProtocols(new String[]{"TLSv1.2"}) // disable TLSv1.3 for Conscrypt
+                .setTransportLayerSecurityProtocols("TLSv1.2") // disable TLSv1.3 for Conscrypt
                 .build();
         logger.log(Level.INFO, client.getClientConfig().toString());
         try {

netty-http-client/src/test/java/org/xbib/netty/http/client/test/http1/GoogleTest.java

@@ -23,7 +23,7 @@ class GoogleTest {
     void testHttp1WithTlsV13() throws Exception {
         AtomicBoolean success = new AtomicBoolean();
         Client client = Client.builder()
-                .setTlsProtocols(new String[] { "TLSv1.3" })
+                .setTransportLayerSecurityProtocols(new String[] { "TLSv1.3" })
                 .build();
         try {
             Request request = Request.get().url("https://www.google.com/")

netty-http-server/src/main/java/org/xbib/netty/http/server/DefaultServerConfig.java

@@ -4,6 +4,7 @@ import io.netty.channel.WriteBufferWaterMark;
 import io.netty.handler.codec.http2.Http2Settings;
 import io.netty.handler.logging.LogLevel;
 import io.netty.handler.ssl.CipherSuiteFilter;
+import io.netty.handler.ssl.OpenSsl;
 import io.netty.handler.ssl.SslProvider;
 import org.xbib.netty.http.common.HttpAddress;
 import org.xbib.netty.http.common.security.SecurityUtil;
@@ -130,7 +131,6 @@ public class DefaultServerConfig implements ServerConfig {
 
         /**
          * This is Netty's default.
-         * See {@link io.netty.handler.codec.MessageAggregator#maxCumulationBufferComponents()}.
          */
         int MAX_COMPOSITE_BUFFER_COMPONENTS = 1024;
 
@@ -179,7 +179,9 @@ public class DefaultServerConfig implements ServerConfig {
          * Transport layer security protocol versions.
          * Do not use SSLv2, SSLv3, TLS 1.0, TLS 1.1.
          */
-        String[] PROTOCOLS = new String[] { "TLSv1.3", "TLSv1.2" };
+        String[] PROTOCOLS = OpenSsl.isAvailable() && OpenSsl.version() <= 0x10101009L ?
+                new String[] { "TLSv1.2" } :
+                new String[] { "TLSv1.3", "TLSv1.2" };
 
         /**
          * Default ciphers. We care about HTTP/2.

netty-http-server/src/main/java/org/xbib/netty/http/server/Server.java

@@ -664,6 +664,16 @@ public final class Server implements AutoCloseable {
             return this;
         }
 
+        public Builder setOpenSSLSslProvider() {
+            this.serverConfig.setOpenSSLSslProvider();
+            return this;
+        }
+
+        public Builder setJdkSslProvider() {
+            this.serverConfig.setJdkSslProvider();
+            return this;
+        }
+
         public Builder setTransportLayerSecurityProtocols(String... protocols) {
             this.serverConfig.setProtocols(protocols);
             return this;

netty-http-server/src/test/java/org/xbib/netty/http/server/test/TransportLayerSecurityServerTest.java

@@ -24,7 +24,7 @@ class TransportLayerSecurityServerTest {
     private static final Logger logger = Logger.getLogger(TransportLayerSecurityServerTest.class.getName());
 
     @Test
-    void testTLS12() throws Exception {
+    void testTLSDefaultSettings() throws Exception {
         HttpAddress httpAddress = HttpAddress.secureHttp1("localhost", 8143);
         Server server = Server.builder(HttpServerDomain.builder(httpAddress)
                         .setSelfCert()
@@ -32,9 +32,47 @@ class TransportLayerSecurityServerTest {
                                 response.getBuilder().setStatus(HttpResponseStatus.OK.code()).setContentType("text/plain").build()
                                         .write(request.getContent().toString(StandardCharsets.UTF_8)))
                         .build())
+                .build();
+        Client client = Client.builder()
+                .trustInsecure()
+                .build();
+        AtomicInteger counter = new AtomicInteger();
+        final ResponseListener<HttpResponse> responseListener = resp -> {
+            logger.log(Level.INFO, "response listener: headers = " + resp.getHeaders() +
+                    " response body = " + resp.getBodyAsString(StandardCharsets.UTF_8));
+            counter.incrementAndGet();
+        };
+        try {
+            server.accept();
+            Request request = Request.get().setVersion(HttpVersion.HTTP_1_1)
+                    .url(server.getServerConfig().getAddress().base())
+                    .content("Hello Jörg", "text/plain")
+                    .setResponseListener(responseListener)
+                    .build();
+            ClientTransport transport = client.execute(request).get();
+            logger.log(Level.INFO, "TLS protocol = " + transport.getSession().getProtocol());
+        } finally {
+            client.shutdownGracefully();
+            server.shutdownGracefully();
+        }
+        assertEquals(1, counter.get());
+    }
+
+    @Test
+    void testOpenSSL12() throws Exception {
+        HttpAddress httpAddress = HttpAddress.secureHttp1("localhost", 8143);
+        Server server = Server.builder(HttpServerDomain.builder(httpAddress)
+                .setSelfCert()
+                .singleEndpoint("/", (request, response) ->
+                        response.getBuilder().setStatus(HttpResponseStatus.OK.code()).setContentType("text/plain").build()
+                                .write(request.getContent().toString(StandardCharsets.UTF_8)))
+                .build())
+                .setOpenSSLSslProvider()
                 .setTransportLayerSecurityProtocols("TLSv1.2")
                 .build();
         Client client = Client.builder()
+                .setOpenSSLSslProvider()
+                .setTransportLayerSecurityProtocols("TLSv1.2")
                 .trustInsecure()
                 .build();
         AtomicInteger counter = new AtomicInteger();
@@ -61,7 +99,7 @@ class TransportLayerSecurityServerTest {
     }
 
     @Test
-    void testTLS13() throws Exception {
+    void testOpenSSL13() throws Exception {
         HttpAddress httpAddress = HttpAddress.secureHttp2("localhost", 8143);
         Server server = Server.builder(HttpServerDomain.builder(httpAddress)
                 .setSelfCert()
@@ -69,9 +107,12 @@ class TransportLayerSecurityServerTest {
                         response.getBuilder().setStatus(HttpResponseStatus.OK.code()).setContentType("text/plain").build()
                                 .write(request.getContent().toString(StandardCharsets.UTF_8)))
                 .build())
+                .setOpenSSLSslProvider()
                 .setTransportLayerSecurityProtocols("TLSv1.3")
                 .build();
         Client client = Client.builder()
+                .setOpenSSLSslProvider()
+                .setTransportLayerSecurityProtocols("TLSv1.3")
                 .trustInsecure()
                 .build();
         AtomicInteger counter = new AtomicInteger();