OpenSSL: no-sslv2 aware

Allow openSSL without SSL2 to be used. This fix is inspired by the fix
provided by Cristian Rodríguez.

Reported by: Cristian Rodríguez

diff --git a/lib/ssluse.c b/lib/ssluse.c
index 654ffaa..caffdad 100644 (file)
--- a/lib/ssluse.c
+++ b/lib/ssluse.c
@@ -1456,6 +1456,10 @@ ossl_connect_step1(struct connectdata *conn,
     use_sni(TRUE);
     break;
   case CURL_SSLVERSION_SSLv2:
+#ifdef OPENSSL_NO_SSL2
+    failf(data, "OpenSSL was built without SSLv2 support");
+    return CURLE_NOT_BUILT_IN;
+#else
 #ifdef USE_TLS_SRP
     if (data->set.ssl.authtype == CURL_TLSAUTH_SRP)
       return CURLE_SSL_CONNECT_ERROR;
@@ -1463,6 +1467,7 @@ ossl_connect_step1(struct connectdata *conn,
     req_method = SSLv2_client_method();
     use_sni(FALSE);
     break;
+#endif
   case CURL_SSLVERSION_SSLv3:
 #ifdef USE_TLS_SRP
     if (data->set.ssl.authtype == CURL_TLSAUTH_SRP)