package/libs/openssl/patches/120-cisco-dtls-fix.patch

   1 From 9fe4603b8245425a4c46986ed000fca054231253 Mon Sep 17 00:00:00 2001
   2 From: David Woodhouse <dwmw2@infradead.org>
   3 Date: Tue, 12 Feb 2013 14:55:32 +0000
   4 Subject: [PATCH] Check DTLS_BAD_VER for version number.
   5
   6 The version check for DTLS1_VERSION was redundant as
   7 DTLS1_VERSION > TLS1_1_VERSION, however we do need to
   8 check for DTLS1_BAD_VER for compatibility.
   9
  10 PR:2984
  11 (cherry picked from commit d980abb22e22661e98e5cee33d760ab0c7584ecc)
  12 ---
  13  ssl/s3_cbc.c | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 diff --git a/ssl/s3_cbc.c b/ssl/s3_cbc.c
  17 index 02edf3f..443a31e 100644
  18 --- a/ssl/s3_cbc.c
  19 +++ b/ssl/s3_cbc.c
  20 @@ -148,7 +148,7 @@ int tls1_cbc_remove_padding(const SSL* s,
  21         unsigned padding_length, good, to_check, i;
  22         const unsigned overhead = 1 /* padding length byte */ + mac_size;
  23         /* Check if version requires explicit IV */
  24 -       if (s->version >= TLS1_1_VERSION || s->version == DTLS1_VERSION)
  25 +       if (s->version >= TLS1_1_VERSION || s->version == DTLS1_BAD_VER)
  26                 {
  27                 /* These lengths are all public so we can test them in
  28                  * non-constant time.
  29 --
  30 1.8.1.2
  31