SSL_CTX_set_quiet_shutdown(3) - NetBSD Manual Pages

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SSL_CTX_set_quiet_shutdown(3)OpenSSLSSL_CTX_set_quiet_shutdown(3)



NAME

       SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown,
       SSL_set_quiet_shutdown, SSL_get_quiet_shutdown - manipu-
       late shutdown behaviour


LIBRARY

       libcrypto, -lcrypto


SYNOPSIS

        #include <openssl/ssl.h>

        void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
        int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx);

        void SSL_set_quiet_shutdown(SSL *ssl, int mode);
        int SSL_get_quiet_shutdown(SSL *ssl);



DESCRIPTION

       SSL_CTX_set_quiet_shutdown() sets the "quiet shutdown"
       flag for ctx to be mode. SSL objects created from ctx
       inherit the mode valid at the time SSL_new(3) is called.
       mode may be 0 or 1.

       SSL_CTX_get_quiet_shutdown() returns the "quiet shutdown"
       setting of ctx.

       SSL_set_quiet_shutdown() sets the "quiet shutdown" flag
       for ssl to be mode. The setting stays valid until ssl is
       removed with SSL_free(3) or SSL_set_quiet_shutdown() is
       called again.  It is not changed when SSL_clear(3) is
       called.  mode may be 0 or 1.

       SSL_get_quiet_shutdown() returns the "quiet shutdown" set-
       ting of ssl.


NOTES

       Normally when a SSL connection is finished, the parties
       must send out "close notify" alert messages using
       SSL_shutdown(3) for a clean shutdown.

       When setting the "quiet shutdown" flag to 1, SSL_shutdown(3)
        will set the internal flags to SSL_SENT_SHUT-
       DOWN|SSL_RECEIVED_SHUTDOWN.  (SSL_shutdown(3) then behaves
       like SSL_set_shutdown(3) called with SSL_SENT_SHUT-
       DOWN|SSL_RECEIVED_SHUTDOWN.)  The session is thus consid-
       ered to be shutdown, but no "close notify" alert is sent
       to the peer. This behaviour violates the TLS standard.

       The default is normal shutdown behaviour as described by
       the TLS standard.


RETURN VALUES

       SSL_CTX_set_quiet_shutdown() and SSL_set_quiet_shutdown()



2002-08-05                    0.9.6g                            1





SSL_CTX_set_quiet_shutdown(3)OpenSSLSSL_CTX_set_quiet_shutdown(3)


       do not return diagnostic information.

       SSL_CTX_get_quiet_shutdown() and SSL_get_quiet_shutdown
       return the current setting.


SEE ALSO

       ssl(3), SSL_shutdown(3), SSL_set_shutdown(3), SSL_new(3),
       SSL_clear(3), SSL_free(3)

















































2002-08-05                    0.9.6g                            2