Fix GOST2012-NULL-GOST12

[openssl.git] / ssl / s3_lib.c

diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index de8dae22f0ed95f8a156ff2bec48acd672ba3aad..4b2f196782d5e64749d140e23908617e7978c3b9 100644 (file)
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -3284,7 +3284,7 @@ OPENSSL_GLOBAL const SSL_CIPHER ssl3_ciphers[] = {
      SSL_GOST12_256,
      SSL_TLSV1,
      SSL_STRONG_NONE,
-     SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256,
+     SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256 | TLS1_STREAM_MAC,
      0,
      0},
 #endif
@@ -3534,13 +3534,16 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
 #endif                          /* !OPENSSL_NO_EC */
     case SSL_CTRL_SET_TLSEXT_HOSTNAME:
         if (larg == TLSEXT_NAMETYPE_host_name) {
+            size_t len;
+
             OPENSSL_free(s->tlsext_hostname);
             s->tlsext_hostname = NULL;
 
             ret = 1;
             if (parg == NULL)
                 break;
-            if (strlen((char *)parg) > TLSEXT_MAXLEN_host_name) {
+            len = strlen((char *)parg);
+            if (len == 0 || len > TLSEXT_MAXLEN_host_name) {
                 SSLerr(SSL_F_SSL3_CTRL, SSL_R_SSL3_EXT_INVALID_SERVERNAME);
                 return 0;
             }