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133 | .\" ======================================================================== |
134 | .\" | |
135 | .IX Title "SSL_CTX_set_quiet_shutdown 3" | |
7dc78669 | 136 | .TH SSL_CTX_set_quiet_shutdown 3 "2015-07-09" "1.0.1p" "OpenSSL" |
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137 | .\" For nroff, turn off justification. Always turn off hyphenation; it makes |
138 | .\" way too many mistakes in technical documents. | |
139 | .if n .ad l | |
140 | .nh | |
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141 | .SH "NAME" |
142 | SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown, SSL_get_quiet_shutdown \- manipulate shutdown behaviour | |
143 | .SH "SYNOPSIS" | |
e056f0e0 | 144 | .IX Header "SYNOPSIS" |
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145 | .Vb 1 |
146 | \& #include <openssl/ssl.h> | |
e257b235 | 147 | \& |
984263bc | 148 | \& void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode); |
a561f9ff | 149 | \& int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx); |
e257b235 | 150 | \& |
984263bc | 151 | \& void SSL_set_quiet_shutdown(SSL *ssl, int mode); |
a561f9ff | 152 | \& int SSL_get_quiet_shutdown(const SSL *ssl); |
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153 | .Ve |
154 | .SH "DESCRIPTION" | |
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155 | .IX Header "DESCRIPTION" |
156 | \&\fISSL_CTX_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBctx\fR to be | |
157 | \&\fBmode\fR. \s-1SSL\s0 objects created from \fBctx\fR inherit the \fBmode\fR valid at the time | |
158 | \&\fISSL_new\fR\|(3) is called. \fBmode\fR may be 0 or 1. | |
984263bc | 159 | .PP |
e056f0e0 | 160 | \&\fISSL_CTX_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBctx\fR. |
984263bc | 161 | .PP |
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162 | \&\fISSL_set_quiet_shutdown()\fR sets the \*(L"quiet shutdown\*(R" flag for \fBssl\fR to be |
163 | \&\fBmode\fR. The setting stays valid until \fBssl\fR is removed with | |
164 | \&\fISSL_free\fR\|(3) or \fISSL_set_quiet_shutdown()\fR is called again. | |
165 | It is not changed when \fISSL_clear\fR\|(3) is called. | |
166 | \&\fBmode\fR may be 0 or 1. | |
984263bc | 167 | .PP |
e056f0e0 | 168 | \&\fISSL_get_quiet_shutdown()\fR returns the \*(L"quiet shutdown\*(R" setting of \fBssl\fR. |
984263bc | 169 | .SH "NOTES" |
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170 | .IX Header "NOTES" |
171 | Normally when a \s-1SSL\s0 connection is finished, the parties must send out | |
172 | \&\*(L"close notify\*(R" alert messages using \fISSL_shutdown\fR\|(3) | |
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173 | for a clean shutdown. |
174 | .PP | |
e056f0e0 | 175 | When setting the \*(L"quiet shutdown\*(R" flag to 1, \fISSL_shutdown\fR\|(3) |
984263bc | 176 | will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN. |
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177 | (\fISSL_shutdown\fR\|(3) then behaves like |
178 | \&\fISSL_set_shutdown\fR\|(3) called with | |
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179 | SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.) |
180 | The session is thus considered to be shutdown, but no \*(L"close notify\*(R" alert | |
e056f0e0 | 181 | is sent to the peer. This behaviour violates the \s-1TLS\s0 standard. |
984263bc | 182 | .PP |
e056f0e0 | 183 | The default is normal shutdown behaviour as described by the \s-1TLS\s0 standard. |
984263bc | 184 | .SH "RETURN VALUES" |
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185 | .IX Header "RETURN VALUES" |
186 | \&\fISSL_CTX_set_quiet_shutdown()\fR and \fISSL_set_quiet_shutdown()\fR do not return | |
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187 | diagnostic information. |
188 | .PP | |
e056f0e0 | 189 | \&\fISSL_CTX_get_quiet_shutdown()\fR and SSL_get_quiet_shutdown return the current |
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190 | setting. |
191 | .SH "SEE ALSO" | |
a7d27d5a | 192 | .IX Header "SEE ALSO" |
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193 | \&\fIssl\fR\|(3), \fISSL_shutdown\fR\|(3), |
194 | \&\fISSL_set_shutdown\fR\|(3), \fISSL_new\fR\|(3), | |
195 | \&\fISSL_clear\fR\|(3), \fISSL_free\fR\|(3) |