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54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
=pod
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=head1 NAME
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SSL_get_fd, SSL_get_rfd, SSL_get_wfd - get file descriptor linked to an SSL object
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_get_fd(const SSL *ssl);
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int SSL_get_rfd(const SSL *ssl);
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int SSL_get_wfd(const SSL *ssl);
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=head1 DESCRIPTION
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SSL_get_fd() returns the file descriptor which is linked to B<ssl>.
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SSL_get_rfd() and SSL_get_wfd() return the file descriptors for the
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read or the write channel, which can be different. If the read and the
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write channel are different, SSL_get_fd() will return the file descriptor
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of the read channel.
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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 -1
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The operation failed, because the underlying BIO is not of the correct type
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(suitable for file descriptors).
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=item E<gt>=0
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The file descriptor linked to B<ssl>.
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=back
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=head1 SEE ALSO
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L<SSL_set_fd(3)>, L<ssl(7)> , L<bio(7)>
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=head1 COPYRIGHT
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Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). 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 LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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