fix ssl3_accept: don't call ssl_init_wbio_buffer() in HelloRequest case

1 files changed, 60 insertions, 5 deletions

diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index e999c4e5c6..dcc1b72c9b 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -55,6 +55,59 @@
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
 
 #define REUSE_CIPHER_BUG
 #define NETSCAPE_HANG_BUG
@@ -183,21 +236,23 @@ int ssl3_accept(SSL *s)
 				goto end;
 				}
 
-			/* Ok, we now need to push on a buffering BIO so that
-			 * the output is sent in a way that TCP likes :-)
-			 */
-			if (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; }
-
 			s->init_num=0;
 
 			if (s->state != SSL_ST_RENEGOTIATE)
 				{
+				/* Ok, we now need to push on a buffering BIO so that
+				 * the output is sent in a way that TCP likes :-)
+				 */
+				if (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; }
+				
 				ssl3_init_finished_mac(s);
 				s->state=SSL3_ST_SR_CLNT_HELLO_A;
 				s->ctx->stats.sess_accept++;
 				}
 			else
 				{
+				/* s->state == SSL_ST_RENEGOTIATE,
+				 * we will just send a HelloRequest */
 				s->ctx->stats.sess_accept_renegotiate++;
 				s->state=SSL3_ST_SW_HELLO_REQ_A;
 				}