| SSL_do_handshake.3 (206048) | SSL_do_handshake.3 (215698) |
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| 132.TH SSL_do_handshake 3 "2010-03-24" "0.9.8n" "OpenSSL" | 127.TH SSL_do_handshake 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_do_handshake \- perform a TLS/SSL handshake 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 1 138\& #include <openssl/ssl.h> | 132.SH "NAME" 133SSL_do_handshake \- perform 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_do_handshake(SSL *ssl); 143.Ve 144.SH "DESCRIPTION" 145.IX Header "DESCRIPTION" 146\&\fISSL_do_handshake()\fR will wait for a \s-1SSL/TLS\s0 handshake to take place. If the 147connection is in client mode, the handshake will be started. The handshake 148routines may have to be explicitly set in advance using either 149\&\fISSL_set_connect_state\fR\|(3) or --- 16 unchanged lines hidden (view full) --- 166taking appropriate action to satisfy the needs of \fISSL_do_handshake()\fR. 167The action depends on the underlying \s-1BIO\s0. When using a non-blocking socket, 168nothing is to be done, but \fIselect()\fR can be used to check for the required 169condition. When using a buffering \s-1BIO\s0, like a \s-1BIO\s0 pair, data must be written 170into or retrieved out of the \s-1BIO\s0 before being able to continue. 171.SH "RETURN VALUES" 172.IX Header "RETURN VALUES" 173The following return values can occur: | 139\& int SSL_do_handshake(SSL *ssl); 140.Ve 141.SH "DESCRIPTION" 142.IX Header "DESCRIPTION" 143\&\fISSL_do_handshake()\fR will wait for a \s-1SSL/TLS\s0 handshake to take place. If the 144connection is in client mode, the handshake will be started. The handshake 145routines may have to be explicitly set in advance using either 146\&\fISSL_set_connect_state\fR\|(3) or --- 16 unchanged lines hidden (view full) --- 163taking appropriate action to satisfy the needs of \fISSL_do_handshake()\fR. 164The action depends on the underlying \s-1BIO\s0. When using a non-blocking socket, 165nothing is to be done, but \fIselect()\fR can be used to check for the required 166condition. When using a buffering \s-1BIO\s0, like a \s-1BIO\s0 pair, data must be written 167into or retrieved out of the \s-1BIO\s0 before being able to continue. 168.SH "RETURN VALUES" 169.IX Header "RETURN VALUES" 170The following return values can occur: |
| 174.IP "1" 4 175.IX Item "1" | 171.IP "1." 4 |
| 176The \s-1TLS/SSL\s0 handshake was successfully completed, a \s-1TLS/SSL\s0 connection has been 177established. | 172The \s-1TLS/SSL\s0 handshake was successfully completed, a \s-1TLS/SSL\s0 connection has been 173established. |
| 178.IP "0" 4 | 174.IP "2." 4 |
| 179The \s-1TLS/SSL\s0 handshake was not successful but was shut down controlled and 180by the specifications of the \s-1TLS/SSL\s0 protocol. Call \fISSL_get_error()\fR with the 181return value \fBret\fR to find out the reason. | 175The \s-1TLS/SSL\s0 handshake was not successful but was shut down controlled and 176by the specifications of the \s-1TLS/SSL\s0 protocol. Call \fISSL_get_error()\fR with the 177return value \fBret\fR to find out the reason. |
| 182.IP "<0" 4 183.IX Item "<0" | 178.IP "3." 4 179<0 180.Sp |
| 184The \s-1TLS/SSL\s0 handshake was not successful because a fatal error occurred either 185at the protocol level or a connection failure occurred. The shutdown was 186not clean. It can also occur of action is need to continue the operation 187for non-blocking BIOs. Call \fISSL_get_error()\fR with the return value \fBret\fR 188to find out the reason. 189.SH "SEE ALSO" 190.IX Header "SEE ALSO" 191\&\fISSL_get_error\fR\|(3), \fISSL_connect\fR\|(3), 192\&\fISSL_accept\fR\|(3), \fIssl\fR\|(3), \fIbio\fR\|(3), 193\&\fISSL_set_connect_state\fR\|(3) | 181The \s-1TLS/SSL\s0 handshake was not successful because a fatal error occurred either 182at the protocol level or a connection failure occurred. The shutdown was 183not clean. It can also occur of action is need to continue the operation 184for non-blocking BIOs. Call \fISSL_get_error()\fR with the return value \fBret\fR 185to find out the reason. 186.SH "SEE ALSO" 187.IX Header "SEE ALSO" 188\&\fISSL_get_error\fR\|(3), \fISSL_connect\fR\|(3), 189\&\fISSL_accept\fR\|(3), \fIssl\fR\|(3), \fIbio\fR\|(3), 190\&\fISSL_set_connect_state\fR\|(3) |
| 191.SH "POD ERRORS" 192.IX Header "POD ERRORS" 193Hey! \fBThe above document had some coding errors, which are explained below:\fR 194.IP "Around line 53:" 4 195.IX Item "Around line 53:" 196You have '=item 0' instead of the expected '=item 2' 197.IP "Around line 59:" 4 198.IX Item "Around line 59:" 199Expected '=item 3' |
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