Linux 2.6 - man page for ssl_get_quiet_shutdown (linux section 3SSL)
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SSL_CTX_set_quiet_shutdown(3SSL) OpenSSL SSL_CTX_set_quiet_shutdown(3SSL)
SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown,
SSL_get_quiet_shutdown - manipulate shutdown behaviour
void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
void SSL_set_quiet_shutdown(SSL *ssl, int mode);
int SSL_get_quiet_shutdown(const SSL *ssl);
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" setting of ssl.
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_SHUTDOWN|SSL_RECEIVED_SHUTDOWN. (SSL_shutdown(3) then behaves like
SSL_set_shutdown(3) called with SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.) The session is
thus considered 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.
SSL_CTX_set_quiet_shutdown() and SSL_set_quiet_shutdown() do not return diagnostic
SSL_CTX_get_quiet_shutdown() and SSL_get_quiet_shutdown return the current setting.
ssl(3), SSL_shutdown(3), SSL_set_shutdown(3), SSL_new(3), SSL_clear(3), SSL_free(3)
1.0.0e 2005-03-30 SSL_CTX_set_quiet_shutdown(3SSL)
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