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    Command:

    SSL_clear

    
    
    

    SYNOPSIS

            #include <openssl/ssl.h>
    
            int SSL_clear(SSL *ssl);
    
    
    

    DESCRIPTION

           Reset ssl to allow another connection. All settings (method, ciphers,
           BIOs) are kept.
    
    
    

    NOTES

           SSL_clear is used to prepare an SSL object for a new connection. While
           all settings are kept, a side effect is the handling of the current SSL
           session.  If a session is still open, it is considered bad and will be
           removed from the session cache, as required by RFC2246. 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.
    
           If a session was closed cleanly, the session object will be kept and
           all settings corresponding. This explicitly means, that e.g. the
           special method used during the session will be kept for the next
           handshake. So if the session was a TLSv1 session, a SSL client object
           will use a TLSv1 client method for the next handshake and a SSL server
           object will use a TLSv1 server method, even if SSLv23_*_methods were
           chosen on startup. This will might lead to connection failures (see
           SSL_new(3)) for a description of the method's properties.
    
    
    

    WARNINGS

           SSL_clear() resets the SSL object to allow for another connection. The
           reset operation however keeps several settings of the last sessions
           (some of these settings were made automatically during the last
           handshake). It only makes sense for a new connection with the exact
           same peer that shares these settings, and may fail if that peer changes
           its settings between connections. Use the sequence SSL_get_session(3);
           SSL_new(3); SSL_set_session(3); SSL_free(3) instead to avoid such
           failures (or simply SSL_free(3); SSL_new(3) if session reuse is not
           desired).
    
    
    

    RETURN VALUES

           The following return values can occur:
    
           0   The SSL_clear() operation could not be performed. Check the error
               stack to find out the reason.
    
           1   The SSL_clear() operation was successful.
    
           SSL_new(3), SSL_free(3), SSL_shutdown(3), SSL_set_shutdown(3),
           SSL_CTX_set_options(3), ssl(3), SSL_CTX_set_client_cert_cb(3)
    
    
    

    1.0.1e 2016-01-07 SSL_clear(3)

    
    
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