From: David Ramos <daramos@stanford.edu>
Date: Sun, 1 Jun 2014 13:23:51 +0000 (+0100)
Subject: Allocate extra space when NETSCAPE_HANG_BUG defined.
X-Git-Tag: OpenSSL_1_0_2-beta2~183
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=856a4585d6f7a856b90c93792cf1c1ed968d4a4b;p=oweals%2Fopenssl.git

Allocate extra space when NETSCAPE_HANG_BUG defined.

Make sure there is an extra 4 bytes for server done message when
NETSCAPE_HANG_BUG is defined.

PR#3361
(cherry picked from commit 92d81ba622396425764d676ba4fb3f0dac273f17)
---

diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index 36f34270cd..a503042203 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -2146,6 +2146,11 @@ int ssl3_send_certificate_request(SSL *s)
 #ifdef NETSCAPE_HANG_BUG
 		if (!SSL_IS_DTLS(s))
 			{
+			if (!BUF_MEM_grow_clean(buf, s->init_num + 4))
+				{
+				SSLerr(SSL_F_SSL3_SEND_CERTIFICATE_REQUEST,ERR_R_BUF_LIB);
+				goto err;
+				}
 			p=(unsigned char *)s->init_buf->data + s->init_num;
 			/* do the header */
 			*(p++)=SSL3_MT_SERVER_DONE;