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SSL_SET_SESSION(3) Library Functions Manual SSL_SET_SESSION(3)

SSL_set_sessionset a TLS/SSL session to be used during TLS/SSL connect

#include <openssl/ssl.h>

int
SSL_set_session(SSL *ssl, SSL_SESSION *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 (). 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 () before or because the same ssl was already used for a connection), SSL_SESSION_free(3) will be called for that session.

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(3), SSL_CTX_set_session_cache_mode(3), SSL_get_session(3), SSL_SESSION_free(3), SSL_session_reused(3)

December 4, 2016 OpenBSD-6.2