Provided by: libssl-doc_1.1.1-1ubuntu2.1~18.04.23_all
NAME
SSL_set_fd, SSL_set_rfd, SSL_set_wfd - connect the SSL object with a file descriptor
SYNOPSIS
#include <openssl/ssl.h> int SSL_set_fd(SSL *ssl, int fd); int SSL_set_rfd(SSL *ssl, int fd); int SSL_set_wfd(SSL *ssl, int fd);
DESCRIPTION
SSL_set_fd() sets the file descriptor fd as the input/output facility for the TLS/SSL (encrypted) side of ssl. fd will typically be the socket file descriptor of a network connection. When performing the operation, a socket BIO is automatically created to interface between the ssl and fd. The BIO and hence the SSL engine inherit the behaviour of fd. If fd is non-blocking, the ssl will also have non-blocking behaviour. If there was already a BIO connected to ssl, BIO_free() will be called (for both the reading and writing side, if different). SSL_set_rfd() and SSL_set_wfd() perform the respective action, but only for the read channel or the write channel, which can be set independently.
RETURN VALUES
The following return values can occur: 0 The operation failed. Check the error stack to find out why. 1 The operation succeeded.
SEE ALSO
SSL_get_fd(3), SSL_set_bio(3), SSL_connect(3), SSL_accept(3), SSL_shutdown(3), ssl(7) , bio(7)
COPYRIGHT
Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (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>.