HISTORY section: point out change of default digest
[openssl.git] / ssl / t1_clnt.c
index 9745630a008cf8e1a17e077846afd3650cac109e..57205fb429ab7bb2361c825e69838fbb5e7a860b 100644 (file)
  */
 
 #include <stdio.h>
+#include "ssl_locl.h"
 #include <openssl/buffer.h>
 #include <openssl/rand.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
-#include "ssl_locl.h"
 
 static SSL_METHOD *tls1_get_client_method(int ver);
 static SSL_METHOD *tls1_get_client_method(int ver)
@@ -79,11 +79,18 @@ SSL_METHOD *TLSv1_client_method(void)
 
        if (init)
                {
-               memcpy((char *)&TLSv1_client_data,(char *)tlsv1_base_method(),
-                       sizeof(SSL_METHOD));
-               TLSv1_client_data.ssl_connect=ssl3_connect;
-               TLSv1_client_data.get_ssl_method=tls1_get_client_method;
-               init=0;
+               CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD);
+
+               if (init)
+                       {
+                       memcpy((char *)&TLSv1_client_data,(char *)tlsv1_base_method(),
+                               sizeof(SSL_METHOD));
+                       TLSv1_client_data.ssl_connect=ssl3_connect;
+                       TLSv1_client_data.get_ssl_method=tls1_get_client_method;
+                       init=0;
+                       }
+               
+               CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD);
                }
        return(&TLSv1_client_data);
        }