From 4a20959d2e3c90e9d66897c0b4032c785672d815 Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@zip.com.au>
Date: Thu, 13 Feb 2014 16:38:32 +1100
Subject:  - (dtucker) [configure.ac openbsd-compat/openssl-compat.{c,h}]  Add
 compat    code for older OpenSSL versions that don't have EVP_MD_CTX_copy_ex.

---
 ChangeLog                       |  4 ++++
 configure.ac                    |  5 +++--
 openbsd-compat/openssl-compat.c | 10 +++++++++-
 openbsd-compat/openssl-compat.h |  6 +++++-
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e3b5fd28a..2542215ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+20140213
+ - (dtucker) [configure.ac openbsd-compat/openssl-compat.{c,h}]  Add compat
+   code for older OpenSSL versions that don't have EVP_MD_CTX_copy_ex.
+
 20140207
  - OpenBSD CVS Sync
    - naddy@cvs.openbsd.org 2014/02/05 20:13:25
diff --git a/configure.ac b/configure.ac
index a350a2a55..0dd3f4541 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.569 2014/02/04 00:18:21 djm Exp $
+# $Id: configure.ac,v 1.570 2014/02/13 05:38:33 dtucker Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -15,7 +15,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
-AC_REVISION($Revision: 1.569 $)
+AC_REVISION($Revision: 1.570 $)
 AC_CONFIG_SRCDIR([ssh.c])
 AC_LANG([C])
 
@@ -2430,6 +2430,7 @@ AC_CHECK_FUNCS([ \
 	EVP_DigestFinal_ex \
 	EVP_MD_CTX_init \
 	EVP_MD_CTX_cleanup \
+	EVP_MD_CTX_copy_ex \
 	HMAC_CTX_init \
 	RSA_generate_key_ex \
 	RSA_get_default_method \
diff --git a/openbsd-compat/openssl-compat.c b/openbsd-compat/openssl-compat.c
index 60eac4b17..885c121f2 100644
--- a/openbsd-compat/openssl-compat.c
+++ b/openbsd-compat/openssl-compat.c
@@ -1,4 +1,4 @@
-/* $Id: openssl-compat.c,v 1.16 2014/01/17 07:00:41 dtucker Exp $ */
+/* $Id: openssl-compat.c,v 1.17 2014/02/13 05:38:33 dtucker Exp $ */
 
 /*
  * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au>
@@ -96,6 +96,14 @@ ssh_EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, unsigned int cnt)
 }
 #endif
 
+#ifndef HAVE_EVP_MD_CTX_COPY_EX
+int
+EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)
+{
+	return EVP_MD_CTX_copy(out, in);
+}
+#endif
+
 #ifndef HAVE_BN_IS_PRIME_EX
 int
 BN_is_prime_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx, void *cb)
diff --git a/openbsd-compat/openssl-compat.h b/openbsd-compat/openssl-compat.h
index 021ea98f5..276b9706d 100644
--- a/openbsd-compat/openssl-compat.h
+++ b/openbsd-compat/openssl-compat.h
@@ -1,4 +1,4 @@
-/* $Id: openssl-compat.h,v 1.25 2014/01/17 06:32:31 dtucker Exp $ */
+/* $Id: openssl-compat.h,v 1.26 2014/02/13 05:38:33 dtucker Exp $ */
 
 /*
  * Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au>
@@ -156,6 +156,10 @@ int EVP_DigestInit_ex(EVP_MD_CTX *, const EVP_MD *, void *);
 int EVP_DigestFinal_ex(EVP_MD_CTX *, unsigned char *, unsigned int *);
 # endif
 
+# ifndef EVP_MD_CTX_COPY_EX
+int EVP_MD_CTX_copy_ex(EVP_MD_CTX *, const EVP_MD_CTX *);
+# endif
+
 int ssh_EVP_CipherInit(EVP_CIPHER_CTX *, const EVP_CIPHER *, unsigned char *,
     unsigned char *, int);
 int ssh_EVP_Cipher(EVP_CIPHER_CTX *, char *, char *, int);
-- 
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