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    Command:

    SSL_get_session

    
    
    

    SYNOPSIS

            #include <openssl/ssl.h>
    
            SSL_SESSION *SSL_get_session(const SSL *ssl);
            SSL_SESSION *SSL_get0_session(const SSL *ssl);
            SSL_SESSION *SSL_get1_session(SSL *ssl);
    
    
    

    DESCRIPTION

           SSL_get_session() returns a pointer to the SSL_SESSION actually used in
           ssl. The reference count of the SSL_SESSION is not incremented, so that
           the pointer can become invalid by other operations.
    
           SSL_get0_session() is the same as SSL_get_session().
    
           SSL_get1_session() is the same as SSL_get_session(), but the reference
           count of the SSL_SESSION is incremented by one.
    
    
    

    NOTES

           The ssl session contains all information required to re-establish the
           connection without a new handshake.
    
           SSL_get0_session() returns a pointer to the actual session. As the
           reference counter is not incremented, the pointer is only valid while
           the connection is in use. If SSL_clear(3) or SSL_free(3) is called, the
           session may be removed completely (if considered bad), and the pointer
           obtained will become invalid. Even if the session is valid, it can be
           removed at any time due to timeout during SSL_CTX_flush_sessions(3).
    
           If the data is to be kept, SSL_get1_session() will increment the
           reference count, so that the session will not be implicitly removed by
           other operations but stays in memory. In order to remove the session
           SSL_SESSION_free(3) must be explicitly called once to decrement the
           reference count again.
    
           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).
    
    
    

    RETURN VALUES

           The following return values can occur:
    
           NULL
               There is no session available in ssl.
    
           Pointer to an SSL
               The return value points to the data of an SSL session.
    
    
    

    SEE ALSO

           ssl(3), SSL_free(3), SSL_clear(3), SSL_SESSION_free(3)
    
    
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