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131 .IX Title "SSL_CTX_set_quiet_shutdown 3"
132 .TH SSL_CTX_set_quiet_shutdown 3 "2017-01-26" "1.0.2k" "OpenSSL"
133 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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138 SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown, SSL_get_quiet_shutdown \- manipulate shutdown behaviour
140 .IX Header "SYNOPSIS"
142 \& #include <openssl/ssl.h>
144 \& void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
145 \& int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
147 \& void SSL_set_quiet_shutdown(SSL *ssl, int mode);
148 \& int SSL_get_quiet_shutdown(const SSL *ssl);
151 .IX Header "DESCRIPTION"
152 \&\fISSL_CTX_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBctx\fR to be
153 \&\fBmode\fR. \s-1SSL\s0 objects created from \fBctx\fR inherit the \fBmode\fR valid at the time
154 \&\fISSL_new\fR\|(3) is called. \fBmode\fR may be 0 or 1.
156 \&\fISSL_CTX_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBctx\fR.
158 \&\fISSL_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBssl\fR to be
159 \&\fBmode\fR. The setting stays valid until \fBssl\fR is removed with
160 \&\fISSL_free\fR\|(3) or \fISSL_set_quiet_shutdown()\fR is called again.
161 It is not changed when \fISSL_clear\fR\|(3) is called.
162 \&\fBmode\fR may be 0 or 1.
164 \&\fISSL_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBssl\fR.
167 Normally when a \s-1SSL\s0 connection is finished, the parties must send out
168 \&\*(L"close notify\*(R" alert messages using \fISSL_shutdown\fR\|(3)
169 for a clean shutdown.
171 When setting the \*(L"quiet shutdown\*(R" flag to 1, \fISSL_shutdown\fR\|(3)
172 will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
173 (\fISSL_shutdown\fR\|(3) then behaves like
174 \&\fISSL_set_shutdown\fR\|(3) called with
175 SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
176 The session is thus considered to be shutdown, but no \*(L"close notify\*(R" alert
177 is sent to the peer. This behaviour violates the \s-1TLS\s0 standard.
179 The default is normal shutdown behaviour as described by the \s-1TLS\s0 standard.
181 .IX Header "RETURN VALUES"
182 \&\fISSL_CTX_set_quiet_shutdown()\fR and \fISSL_set_quiet_shutdown()\fR do not return
183 diagnostic information.
185 \&\fISSL_CTX_get_quiet_shutdown()\fR and SSL_get_quiet_shutdown return the current
188 .IX Header "SEE ALSO"
189 \&\fIssl\fR\|(3), \fISSL_shutdown\fR\|(3),
190 \&\fISSL_set_shutdown\fR\|(3), \fISSL_new\fR\|(3),
191 \&\fISSL_clear\fR\|(3), \fISSL_free\fR\|(3)