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140 .IX Title "SSL_CTX_set_quiet_shutdown 3"
141 .TH SSL_CTX_set_quiet_shutdown 3 "0.9.6e" "2002-01-26" "OpenSSL"
144 SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown, SSL_get_quiet_shutdown \- manipulate shutdown behaviour
146 .IX Header "SYNOPSIS"
148 \& #include <openssl/ssl.h>
151 \& void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
152 \& int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx);
155 \& void SSL_set_quiet_shutdown(SSL *ssl, int mode);
156 \& int SSL_get_quiet_shutdown(SSL *ssl);
159 .IX Header "DESCRIPTION"
160 \&\fISSL_CTX_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBctx\fR to be
161 \&\fBmode\fR. \s-1SSL\s0 objects created from \fBctx\fR inherit the \fBmode\fR valid at the time
162 SSL_new(3) is called. \fBmode\fR may be 0 or 1.
164 \&\fISSL_CTX_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBctx\fR.
166 \&\fISSL_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBssl\fR to be
167 \&\fBmode\fR. The setting stays valid until \fBssl\fR is removed with
168 SSL_free(3) or \fISSL_set_quiet_shutdown()\fR is called again.
169 It is not changed when SSL_clear(3) is called.
170 \&\fBmode\fR may be 0 or 1.
172 \&\fISSL_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBssl\fR.
175 Normally when a \s-1SSL\s0 connection is finished, the parties must send out
176 \&\*(L"close notify\*(R" alert messages using SSL_shutdown(3)
177 for a clean shutdown.
179 When setting the \*(L"quiet shutdown\*(R" flag to 1, SSL_shutdown(3)
180 will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
181 (SSL_shutdown(3) then behaves like
182 SSL_set_shutdown(3) called with
183 SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
184 The session is thus considered to be shutdown, but no \*(L"close notify\*(R" alert
185 is sent to the peer. This behaviour violates the \s-1TLS\s0 standard.
187 The default is normal shutdown behaviour as described by the \s-1TLS\s0 standard.
189 .IX Header "RETURN VALUES"
190 \&\fISSL_CTX_set_quiet_shutdown()\fR and \fISSL_set_quiet_shutdown()\fR do not return
191 diagnostic information.
193 \&\fISSL_CTX_get_quiet_shutdown()\fR and SSL_get_quiet_shutdown return the current
196 .IX Header "SEE ALSO"
197 ssl(3), SSL_shutdown(3),
198 SSL_set_shutdown(3), SSL_new(3),
199 SSL_clear(3), SSL_free(3)