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55 lines
1.4 KiB
Plaintext
55 lines
1.4 KiB
Plaintext
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=pod
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=head1 NAME
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SSL_set_fd - connect the SSL object with a file descriptor
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_set_fd(SSL *ssl, int fd);
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int SSL_set_rfd(SSL *ssl, int fd);
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int SSL_set_wfd(SSL *ssl, int fd);
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=head1 DESCRIPTION
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SSL_set_fd() sets the file descriptor B<fd> as the input/output facility
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for the TLS/SSL (encrypted) side of B<ssl>. B<fd> will typically be the
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socket file descriptor of a network connection.
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When performing the operation, a B<socket BIO> is automatically created to
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interface between the B<ssl> and B<fd>. The BIO and hence the SSL engine
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inherit the behaviour of B<fd>. If B<fd> is non-blocking, the B<ssl> will
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also have non-blocking behaviour.
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If there was already a BIO connected to B<ssl>, BIO_free() will be called
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(for both the reading and writing side, if different).
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SSL_set_rfd() and SSL_set_wfd() perform the respective action, but only
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for the read channel or the write channel, which can be set independently.
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=head1 RETURN VALUES
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The following return values can occur:
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=over 4
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=item Z<>0
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The operation failed. Check the error stack to find out why.
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=item Z<>1
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The operation succeeded.
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=back
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=head1 SEE ALSO
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L<SSL_get_fd(3)|SSL_get_fd(3)>, L<SSL_set_bio(3)|SSL_set_bio(3)>,
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L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>,
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L<SSL_shutdown(3)|SSL_shutdown(3)>, L<ssl(3)|ssl(3)> , L<bio(3)|bio(3)>
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=cut
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