Add Client CA names tests

Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2969)

test/ssl-tests/04-client_auth.conf.in

@@ -119,6 +119,34 @@ sub generate_tests() {
                     "ExpectedClientCertType" => "RSA",
                     "ExpectedClientSignType" => $clisigtype,
                     "ExpectedClientSignHash" => $clihash,
+                    "ExpectedClientCANames" => "empty",
+                    "Method" => $method,
+                },
+            };
+
+            # Successful handshake with client authentication non-empty names
+            push @tests, {
+                name => "client-auth-${protocol_name}-require-non-empty-names",
+                server => {
+                    "MinProtocol" => $protocol,
+                    "MaxProtocol" => $protocol,
+                    "ClientSignatureAlgorithms" => $clisigalgs,
+                    "ClientCAFile" => test_pem("root-cert.pem"),
+                    "VerifyCAFile" => test_pem("root-cert.pem"),
+                    "VerifyMode" => "Request",
+                },
+                client => {
+                    "MinProtocol" => $protocol,
+                    "MaxProtocol" => $protocol,
+                    "Certificate" => test_pem("ee-client-chain.pem"),
+                    "PrivateKey"  => test_pem("ee-key.pem"),
+                },
+                test   => {
+                    "ExpectedResult" => "Success",
+                    "ExpectedClientCertType" => "RSA",
+                    "ExpectedClientSignType" => $clisigtype,
+                    "ExpectedClientSignHash" => $clihash,
+                    "ExpectedClientCANames" => test_pem("root-cert.pem"),
                     "Method" => $method,
                 },
             };

test/ssl-tests/20-cert-select.conf.in

@@ -316,6 +316,24 @@ my @tests_tls_1_3 = (
             "ExpectedClientCertType" => "RSA",
             "ExpectedClientSignHash" => "SHA256",
             "ExpectedClientSignType" => "RSA-PSS",
+            "ExpectedClientCANames" => "empty",
+            "ExpectedResult" => "Success"
+        },
+    },
+    {
+        name => "TLS 1.3 RSA Client Auth Signature Algorithm Selection non-empty CA Names",
+        server => {
+            "ClientSignatureAlgorithms" => "PSS+SHA256",
+            "VerifyCAFile" => test_pem("root-cert.pem"),
+            "ClientCAFile" => test_pem("root-cert.pem"),
+            "VerifyMode" => "Require"
+        },
+        client => $client_tls_1_3,
+        test   => {
+            "ExpectedClientCertType" => "RSA",
+            "ExpectedClientSignHash" => "SHA256",
+            "ExpectedClientSignType" => "RSA-PSS",
+            "ExpectedClientCANames" => test_pem("root-cert.pem"),
             "ExpectedResult" => "Success"
         },
     },