1 files changed, 19 insertions, 8 deletions

diff --git a/src/lib/libssl/t1_enc.c b/src/lib/libssl/t1_enc.c
index b80525f3ba..5290bf6665 100644
--- a/src/lib/libssl/t1_enc.c
+++ b/src/lib/libssl/t1_enc.c
@@ -110,10 +110,10 @@
  */
 
 #include <stdio.h>
+#include "ssl_locl.h"
 #include <openssl/comp.h>
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
-#include "ssl_locl.h"
 #include <openssl/md5.h>
 
 static void tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
@@ -483,14 +483,25 @@ printf("\nkey block\n");
 { int z; for (z=0; z<num; z++) printf("%02X%c",p1[z],((z+1)%16)?' ':'\n'); }
 #endif
 
-        /* enable vulnerability countermeasure for CBC ciphers with
-         * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt) */
-        s->s3->need_empty_fragments = 1;
-#ifndef NO_RC4
-        if ((s->session->cipher != NULL) && ((s->session->cipher->algorithms & SSL_ENC_MASK) == SSL_RC4))
-                s->s3->need_empty_fragments = 0;
+        if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
+                {
+                /* enable vulnerability countermeasure for CBC ciphers with
+                 * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt)
+                 */
+                s->s3->need_empty_fragments = 1;
+
+                if (s->session->cipher != NULL)
+                        {
+                        if ((s->session->cipher->algorithms & SSL_ENC_MASK) == SSL_eNULL)
+                                s->s3->need_empty_fragments = 0;
+                        
+#ifndef OPENSSL_NO_RC4
+                        if ((s->session->cipher->algorithms & SSL_ENC_MASK) == SSL_RC4)
+                                s->s3->need_empty_fragments = 0;
 #endif
-                
+                        }
+                }
+
         return(1);
 err:
         SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);