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Description Notes Return Values See Also |
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);
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.
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_get_quiet_shutdown() and SSL_get_quiet_shutdown return the current setting.
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