Provide SSL_SESSION_up_ref().

3 files changed, 12 insertions, 3 deletions

diff --git a/src/lib/libssl/Symbols.list b/src/lib/libssl/Symbols.list
index ed7f9f6e64..60e56396bf 100644
--- a/src/lib/libssl/Symbols.list
+++ b/src/lib/libssl/Symbols.list
@@ -145,6 +145,7 @@ SSL_SESSION_set1_id_context
 SSL_SESSION_set_ex_data
 SSL_SESSION_set_time
 SSL_SESSION_set_timeout
+SSL_SESSION_up_ref
 SSL_accept
 SSL_add_client_CA
 SSL_add_dir_cert_subjects_to_stack
diff --git a/src/lib/libssl/ssl.h b/src/lib/libssl/ssl.h
index 47c90fb39d..c24c729bb2 100644
--- a/src/lib/libssl/ssl.h
+++ b/src/lib/libssl/ssl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl.h,v 1.141 2018/02/20 18:07:11 tb Exp $ */
+/* $OpenBSD: ssl.h,v 1.142 2018/02/22 17:25:18 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1290,12 +1290,13 @@ int	SSL_SESSION_set1_id_context(SSL_SESSION *s,
             const unsigned char *sid_ctx, unsigned int sid_ctx_len);
 
 SSL_SESSION *SSL_SESSION_new(void);
+void    SSL_SESSION_free(SSL_SESSION *ses);
+int     SSL_SESSION_up_ref(SSL_SESSION *ss);
 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
             unsigned int *len);
 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
 int     SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
 int     SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
-void    SSL_SESSION_free(SSL_SESSION *ses);
 int     i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
 int     SSL_set_session(SSL *to, SSL_SESSION *session);
 int     SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
diff --git a/src/lib/libssl/ssl_sess.c b/src/lib/libssl/ssl_sess.c
index 54e39183f5..37a0238004 100644
--- a/src/lib/libssl/ssl_sess.c
+++ b/src/lib/libssl/ssl_sess.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_sess.c,v 1.73 2018/02/20 18:07:11 tb Exp $ */
+/* $OpenBSD: ssl_sess.c,v 1.74 2018/02/22 17:25:18 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -710,6 +710,13 @@ SSL_SESSION_free(SSL_SESSION *ss)
 }
 
 int
+SSL_SESSION_up_ref(SSL_SESSION *ss)
+{
+        int refs = CRYPTO_add(&ss->references, 1, CRYPTO_LOCK_SSL_SESSION);
+        return (refs > 1) ? 1 : 0;
+}
+
+int
 SSL_set_session(SSL *s, SSL_SESSION *session)
 {
         int ret = 0;