SSL_set_session - set a TLS/SSL session to be used during TLS/SSL connect
#include <openssl/ssl.h>
int SSL_set_session(SSL *ssl, SSL_SESSION *session);
SSL_set_session() sets
session to be used when the TLS/SSL
connection is to be established.
SSL_set_session() is only useful for
TLS/SSL clients. When the session is set, the reference count of
session is incremented by 1. If the session is not reused, the
reference count is decremented again during
SSL_connect(). Whether the
session was reused can be queried with the
SSL_session_reused(3) call.
If there is already a session set inside
ssl (because it was set with
SSL_set_session() before or because the same
ssl was already
used for a connection),
SSL_SESSION_free() will be called for that
session. This is also the case when
session is a NULL pointer. If that
old session is still
open, it is considered bad and will be removed
from the session cache (if used). A session is considered open, if
SSL_shutdown(3) was not called for the connection (or at least
SSL_set_shutdown(3) was used to set the SSL_SENT_SHUTDOWN state).
SSL_SESSION objects keep internal link information about the session cache list,
when being inserted into one SSL_CTX object's session cache. One SSL_SESSION
object, regardless of its reference count, must therefore only be used with
one SSL_CTX object (and the SSL objects created from this SSL_CTX object).
The following return values can occur:
- 0
- The operation failed; check the error stack to find out the
reason.
- 1
- The operation succeeded.
ssl(7),
SSL_SESSION_free(3),
SSL_get_session(3),
SSL_session_reused(3),
SSL_CTX_set_session_cache_mode(3)
Copyright 2000-2022 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy in the
file LICENSE in the source distribution or at
<
https://www.openssl.org/source/license.html>.