Let SSL_copy_session_id() return an int for error checking.

Accordingly, add some error checking to SSL_copy_session_id(),
BIO_ssl_copy_session_id(), and SSL_dup().
Prompted by OpenSSL commit 17dd65e6e1f

Tested in a bulk build by sthen

ok jsing

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libssl/ssl.h b/src/lib/libssl/ssl.h
index c3b553fa2f..324691485b 100644
--- a/src/lib/libssl/ssl.h
+++ b/src/lib/libssl/ssl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl.h,v 1.158 2018/05/01 13:30:24 tb Exp $ */
+/* $OpenBSD: ssl.h,v 1.159 2018/08/24 20:30:21 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1311,7 +1311,7 @@ long	SSL_SESSION_get_time(const SSL_SESSION *s);
 long    SSL_SESSION_set_time(SSL_SESSION *s, long t);
 long    SSL_SESSION_get_timeout(const SSL_SESSION *s);
 long    SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
-void    SSL_copy_session_id(SSL *to, const SSL *from);
+int     SSL_copy_session_id(SSL *to, const SSL *from);
 X509    *SSL_SESSION_get0_peer(SSL_SESSION *s);
 int     SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
             unsigned int sid_len);