SSL_get_fd(3SSL) OpenSSL SSL_get_fd(3SSL)NAME
SSL_get_fd - get file descriptor linked to an SSL object
int SSL_get_fd(const SSL *ssl);
int SSL_get_rfd(const SSL *ssl);
int SSL_get_wfd(const SSL *ssl);
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.
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(3) , bio(3)1.0.1e 2013-02-11 SSL_get_fd(3SSL)
Check Out this Related Man Page
SSL_set_fd(3SSL) OpenSSL SSL_set_fd(3SSL)NAME
SSL_set_fd - connect the SSL object with a file descriptor
int SSL_set_fd(SSL *ssl, int fd);
int SSL_set_rfd(SSL *ssl, int fd);
int SSL_set_wfd(SSL *ssl, int fd);
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
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(3) , bio(3)1.0.1e 2013-02-11 SSL_set_fd(3SSL)
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