SSL_get0_session man page on MirBSD

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SSL_GET_SESSION(3)	     OpenSSL	       SSL_GET_SESSION(3)

NAME
     SSL_get_session - retrieve TLS/SSL session data

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 actu-
     ally 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 com-
     pletely (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 impli-
     citly 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

MirOS BSD #10-current	   2005-04-29				1

SSL_GET_SESSION(3)	     OpenSSL	       SSL_GET_SESSION(3)

	 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)

MirOS BSD #10-current	   2005-04-29				2

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