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Command: SSL_get_fd | Section: 3 | Source: OpenBSD | File: SSL_get_fd.3
SSL_GET_FD(3) FreeBSD Library Functions Manual SSL_GET_FD(3)
NAME
SSL_get_fd, SSL_get_rfd, SSL_get_wfd - get file descriptor linked to an
SSL object
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
BIO_new(3), ssl(3), SSL_set_fd(3)
HISTORY
SSL_get_fd() appeared in SSLeay 0.4 or earlier and has been available
since OpenBSD 2.4.
SSL_get_rfd() and SSL_get_wfd() first appeared in OpenSSL 0.9.6c and have
been available since OpenBSD 3.2.
FreeBSD 14.1-RELEASE-p8 March 27, 2018 FreeBSD 14.1-RELEASE-p8