| SSL_accept.3 (206048) | SSL_accept.3 (215698) |
|---|---|
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| 132.TH SSL_accept 3 "2010-03-24" "0.9.8n" "OpenSSL" | 127.TH SSL_accept 3 "2010-11-16" "0.9.8p" "OpenSSL" 128.\" For nroff, turn off justification. Always turn off hyphenation; it makes 129.\" way too many mistakes in technical documents. 130.if n .ad l 131.nh |
| 133.SH "NAME" 134SSL_accept \- wait for a TLS/SSL client to initiate a TLS/SSL handshake 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 1 138\& #include <openssl/ssl.h> | 132.SH "NAME" 133SSL_accept \- wait for a TLS/SSL client to initiate a TLS/SSL handshake 134.SH "SYNOPSIS" 135.IX Header "SYNOPSIS" 136.Vb 1 137\& #include <openssl/ssl.h> |
| 139.Ve 140.PP 141.Vb 1 | 138\& |
| 142\& int SSL_accept(SSL *ssl); 143.Ve 144.SH "DESCRIPTION" 145.IX Header "DESCRIPTION" 146\&\fISSL_accept()\fR waits for a \s-1TLS/SSL\s0 client to initiate the \s-1TLS/SSL\s0 handshake. 147The communication channel must already have been set and assigned to the 148\&\fBssl\fR by setting an underlying \fB\s-1BIO\s0\fR. 149.SH "NOTES" 150.IX Header "NOTES" | 139\& int SSL_accept(SSL *ssl); 140.Ve 141.SH "DESCRIPTION" 142.IX Header "DESCRIPTION" 143\&\fISSL_accept()\fR waits for a \s-1TLS/SSL\s0 client to initiate the \s-1TLS/SSL\s0 handshake. 144The communication channel must already have been set and assigned to the 145\&\fBssl\fR by setting an underlying \fB\s-1BIO\s0\fR. 146.SH "NOTES" 147.IX Header "NOTES" |
| 151The behaviour of \fISSL_accept()\fR depends on the underlying \s-1BIO\s0. | 148The behaviour of \fISSL_accept()\fR depends on the underlying \s-1BIO\s0. |
| 152.PP 153If the underlying \s-1BIO\s0 is \fBblocking\fR, \fISSL_accept()\fR will only return once the 154handshake has been finished or an error occurred, except for \s-1SGC\s0 (Server 155Gated Cryptography). For \s-1SGC\s0, \fISSL_accept()\fR may return with \-1, but 156\&\fISSL_get_error()\fR will yield \fB\s-1SSL_ERROR_WANT_READ/WRITE\s0\fR and \fISSL_accept()\fR 157should be called again. 158.PP 159If the underlying \s-1BIO\s0 is \fBnon-blocking\fR, \fISSL_accept()\fR will also return --- 5 unchanged lines hidden (view full) --- 165taking appropriate action to satisfy the needs of \fISSL_accept()\fR. 166The action depends on the underlying \s-1BIO\s0. When using a non-blocking socket, 167nothing is to be done, but \fIselect()\fR can be used to check for the required 168condition. When using a buffering \s-1BIO\s0, like a \s-1BIO\s0 pair, data must be written 169into or retrieved out of the \s-1BIO\s0 before being able to continue. 170.SH "RETURN VALUES" 171.IX Header "RETURN VALUES" 172The following return values can occur: | 149.PP 150If the underlying \s-1BIO\s0 is \fBblocking\fR, \fISSL_accept()\fR will only return once the 151handshake has been finished or an error occurred, except for \s-1SGC\s0 (Server 152Gated Cryptography). For \s-1SGC\s0, \fISSL_accept()\fR may return with \-1, but 153\&\fISSL_get_error()\fR will yield \fB\s-1SSL_ERROR_WANT_READ/WRITE\s0\fR and \fISSL_accept()\fR 154should be called again. 155.PP 156If the underlying \s-1BIO\s0 is \fBnon-blocking\fR, \fISSL_accept()\fR will also return --- 5 unchanged lines hidden (view full) --- 162taking appropriate action to satisfy the needs of \fISSL_accept()\fR. 163The action depends on the underlying \s-1BIO\s0. When using a non-blocking socket, 164nothing is to be done, but \fIselect()\fR can be used to check for the required 165condition. When using a buffering \s-1BIO\s0, like a \s-1BIO\s0 pair, data must be written 166into or retrieved out of the \s-1BIO\s0 before being able to continue. 167.SH "RETURN VALUES" 168.IX Header "RETURN VALUES" 169The following return values can occur: |
| 173.IP "1" 4 174.IX Item "1" | 170.IP "1." 4 |
| 175The \s-1TLS/SSL\s0 handshake was successfully completed, a \s-1TLS/SSL\s0 connection has been 176established. | 171The \s-1TLS/SSL\s0 handshake was successfully completed, a \s-1TLS/SSL\s0 connection has been 172established. |
| 177.IP "0" 4 | 173.IP "2." 4 |
| 178The \s-1TLS/SSL\s0 handshake was not successful but was shut down controlled and 179by the specifications of the \s-1TLS/SSL\s0 protocol. Call \fISSL_get_error()\fR with the 180return value \fBret\fR to find out the reason. | 174The \s-1TLS/SSL\s0 handshake was not successful but was shut down controlled and 175by the specifications of the \s-1TLS/SSL\s0 protocol. Call \fISSL_get_error()\fR with the 176return value \fBret\fR to find out the reason. |
| 181.IP "<0" 4 182.IX Item "<0" | 177.IP "3." 4 178<0 179.Sp |
| 183The \s-1TLS/SSL\s0 handshake was not successful because a fatal error occurred either 184at the protocol level or a connection failure occurred. The shutdown was 185not clean. It can also occur of action is need to continue the operation 186for non-blocking BIOs. Call \fISSL_get_error()\fR with the return value \fBret\fR 187to find out the reason. 188.SH "SEE ALSO" 189.IX Header "SEE ALSO" 190\&\fISSL_get_error\fR\|(3), \fISSL_connect\fR\|(3), 191\&\fISSL_shutdown\fR\|(3), \fIssl\fR\|(3), \fIbio\fR\|(3), 192\&\fISSL_set_connect_state\fR\|(3), 193\&\fISSL_do_handshake\fR\|(3), 194\&\fISSL_CTX_new\fR\|(3) | 180The \s-1TLS/SSL\s0 handshake was not successful because a fatal error occurred either 181at the protocol level or a connection failure occurred. The shutdown was 182not clean. It can also occur of action is need to continue the operation 183for non-blocking BIOs. Call \fISSL_get_error()\fR with the return value \fBret\fR 184to find out the reason. 185.SH "SEE ALSO" 186.IX Header "SEE ALSO" 187\&\fISSL_get_error\fR\|(3), \fISSL_connect\fR\|(3), 188\&\fISSL_shutdown\fR\|(3), \fIssl\fR\|(3), \fIbio\fR\|(3), 189\&\fISSL_set_connect_state\fR\|(3), 190\&\fISSL_do_handshake\fR\|(3), 191\&\fISSL_CTX_new\fR\|(3) |
| 192.SH "POD ERRORS" 193.IX Header "POD ERRORS" 194Hey! \fBThe above document had some coding errors, which are explained below:\fR 195.IP "Around line 52:" 4 196.IX Item "Around line 52:" 197You have '=item 0' instead of the expected '=item 2' 198.IP "Around line 58:" 4 199.IX Item "Around line 58:" 200Expected '=item 3' |
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