SSL_SET_FD(3) OpenSSL SSL_SET_FD(3)
SSL_set_fd - connect the SSL object with a file descriptor
#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);
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 connec-
tion.
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 dif-
ferent).
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.
The following return values can occur:
0 The operation failed. Check the error stack to find out
why.
1 The operation succeeded.
SSL_get_fd(3), SSL_set_bio(3), SSL_connect(3),
SSL_accept(3), SSL_shutdown(3), ssl(3) , bio(3)
MirOS BSD #10-current 2005-02-05 1
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