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126 .IX Title "SSL_CTX_set_quiet_shutdown 3"
127 .TH SSL_CTX_set_quiet_shutdown 3 "2011-09-06" "1.0.0e" "OpenSSL"
128 .\" For nroff, turn off justification. Always turn off hyphenation; it makes
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133 SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown, SSL_get_quiet_shutdown \- manipulate shutdown behaviour
135 .IX Header "SYNOPSIS"
137 \& #include <openssl/ssl.h>
139 \& void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
140 \& int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
142 \& void SSL_set_quiet_shutdown(SSL *ssl, int mode);
143 \& int SSL_get_quiet_shutdown(const SSL *ssl);
146 .IX Header "DESCRIPTION"
147 \&\fISSL_CTX_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBctx\fR to be
148 \&\fBmode\fR. \s-1SSL\s0 objects created from \fBctx\fR inherit the \fBmode\fR valid at the time
149 \&\fISSL_new\fR\|(3) is called. \fBmode\fR may be 0 or 1.
151 \&\fISSL_CTX_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBctx\fR.
153 \&\fISSL_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBssl\fR to be
154 \&\fBmode\fR. The setting stays valid until \fBssl\fR is removed with
155 \&\fISSL_free\fR\|(3) or \fISSL_set_quiet_shutdown()\fR is called again.
156 It is not changed when \fISSL_clear\fR\|(3) is called.
157 \&\fBmode\fR may be 0 or 1.
159 \&\fISSL_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBssl\fR.
162 Normally when a \s-1SSL\s0 connection is finished, the parties must send out
163 \&\*(L"close notify\*(R" alert messages using \fISSL_shutdown\fR\|(3)
164 for a clean shutdown.
166 When setting the \*(L"quiet shutdown\*(R" flag to 1, \fISSL_shutdown\fR\|(3)
167 will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
168 (\fISSL_shutdown\fR\|(3) then behaves like
169 \&\fISSL_set_shutdown\fR\|(3) called with
170 SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
171 The session is thus considered to be shutdown, but no \*(L"close notify\*(R" alert
172 is sent to the peer. This behaviour violates the \s-1TLS\s0 standard.
174 The default is normal shutdown behaviour as described by the \s-1TLS\s0 standard.
176 .IX Header "RETURN VALUES"
177 \&\fISSL_CTX_set_quiet_shutdown()\fR and \fISSL_set_quiet_shutdown()\fR do not return
178 diagnostic information.
180 \&\fISSL_CTX_get_quiet_shutdown()\fR and SSL_get_quiet_shutdown return the current
183 .IX Header "SEE ALSO"
184 \&\fIssl\fR\|(3), \fISSL_shutdown\fR\|(3),
185 \&\fISSL_set_shutdown\fR\|(3), \fISSL_new\fR\|(3),
186 \&\fISSL_clear\fR\|(3), \fISSL_free\fR\|(3)