208 lines
6.9 KiB
Groff
208 lines
6.9 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "SSL_SET_CONNECT_STATE 3"
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.TH SSL_SET_CONNECT_STATE 3 "2020-04-21" "1.1.1g" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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SSL_set_connect_state, SSL_set_accept_state, SSL_is_server \&\- functions for manipulating and examining the client or server mode of an SSL object
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/ssl.h>
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\&
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\& void SSL_set_connect_state(SSL *ssl);
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\&
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\& void SSL_set_accept_state(SSL *ssl);
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\&
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\& int SSL_is_server(const SSL *ssl);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fBSSL_set_connect_state()\fR sets \fBssl\fR to work in client mode.
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.PP
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\&\fBSSL_set_accept_state()\fR sets \fBssl\fR to work in server mode.
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.PP
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\&\fBSSL_is_server()\fR checks if \fBssl\fR is working in server mode.
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.SH "NOTES"
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.IX Header "NOTES"
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When the \s-1SSL_CTX\s0 object was created with \fBSSL_CTX_new\fR\|(3),
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it was either assigned a dedicated client method, a dedicated server
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method, or a generic method, that can be used for both client and
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server connections. (The method might have been changed with
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\&\fBSSL_CTX_set_ssl_version\fR\|(3) or
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\&\fBSSL_set_ssl_method\fR\|(3).)
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.PP
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When beginning a new handshake, the \s-1SSL\s0 engine must know whether it must
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call the connect (client) or accept (server) routines. Even though it may
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be clear from the method chosen, whether client or server mode was
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requested, the handshake routines must be explicitly set.
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.PP
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When using the \fBSSL_connect\fR\|(3) or
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\&\fBSSL_accept\fR\|(3) routines, the correct handshake
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routines are automatically set. When performing a transparent negotiation
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using \fBSSL_write_ex\fR\|(3), \fBSSL_write\fR\|(3), \fBSSL_read_ex\fR\|(3), or \fBSSL_read\fR\|(3),
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the handshake routines must be explicitly set in advance using either
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\&\fBSSL_set_connect_state()\fR or \fBSSL_set_accept_state()\fR.
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.PP
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If \fBSSL_is_server()\fR is called before \fBSSL_set_connect_state()\fR or
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\&\fBSSL_set_accept_state()\fR is called (either automatically or explicitly),
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the result depends on what method was used when \s-1SSL_CTX\s0 was created with
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\&\fBSSL_CTX_new\fR\|(3). If a generic method or a dedicated server method was
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passed to \fBSSL_CTX_new\fR\|(3), \fBSSL_is_server()\fR returns 1; otherwise, it returns 0.
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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\&\fBSSL_set_connect_state()\fR and \fBSSL_set_accept_state()\fR do not return diagnostic
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information.
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.PP
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\&\fBSSL_is_server()\fR returns 1 if \fBssl\fR is working in server mode or 0 for client mode.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fBssl\fR\|(7), \fBSSL_new\fR\|(3), \fBSSL_CTX_new\fR\|(3),
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\&\fBSSL_connect\fR\|(3), \fBSSL_accept\fR\|(3),
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\&\fBSSL_write_ex\fR\|(3), \fBSSL_write\fR\|(3), \fBSSL_read_ex\fR\|(3), \fBSSL_read\fR\|(3),
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\&\fBSSL_do_handshake\fR\|(3),
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\&\fBSSL_CTX_set_ssl_version\fR\|(3)
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright 2001\-2017 The OpenSSL Project Authors. All Rights Reserved.
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.PP
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Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file \s-1LICENSE\s0 in the source distribution or at
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<https://www.openssl.org/source/license.html>.
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