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SSL_SET_BIO(3) Library Functions Manual SSL_SET_BIO(3)

SSL_set_bioconnect the SSL object with a BIO

#include <openssl/ssl.h>

SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio);

() connects the BIOs rbio and wbio for the read and write operations of the TLS/SSL (encrypted) side of ssl.

The SSL engine inherits the behaviour of rbio and wbio, respectively. If a BIO is non-blocking, the ssl will also have non-blocking behaviour.

If there was already a BIO connected to ssl, BIO_free(3) will be called (for both the reading and writing side, if different).

BIO_new(3), ssl(3), SSL_accept(3), SSL_connect(3), SSL_get_rbio(3), SSL_shutdown(3)

SSL_set_bio() first appeared in SSLeay 0.6.0 and has been available since OpenBSD 2.4.

October 8, 2020 OpenBSD-7.3