SSL_get_fd(3) - NetBSD Manual Pages

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SSL_get_fd(3)                       OpenSSL                      SSL_get_fd(3)




NAME

       SSL_get_fd, SSL_get_rfd, SSL_get_wfd - get file descriptor linked to an
       SSL object


LIBRARY

       libcrypto, -lcrypto


SYNOPSIS

        #include <openssl/ssl.h>

        int SSL_get_fd(const SSL *ssl);
        int SSL_get_rfd(const SSL *ssl);
        int SSL_get_wfd(const SSL *ssl);


DESCRIPTION

       SSL_get_fd() returns the file descriptor which is linked to ssl.
       SSL_get_rfd() and SSL_get_wfd() return the file descriptors for the
       read or the write channel, which can be different. If the read and the
       write channel are different, SSL_get_fd() will return the file
       descriptor of the read channel.


RETURN VALUES

       The following return values can occur:

       -1  The operation failed, because the underlying BIO is not of the
           correct type (suitable for file descriptors).

       >=0 The file descriptor linked to ssl.


SEE ALSO

       SSL_set_fd(3), ssl(7) , bio(7)


COPYRIGHT

       Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the Apache License 2.0 (the "License").  You may not use
       this file except in compliance with the License.  You can obtain a copy
       in the file LICENSE in the source distribution or at
       <https://www.openssl.org/source/license.html>.



3.0.12                            2023-05-07                     SSL_get_fd(3)