void gnutls_psk_set_server_credentials_function2(gnutls_psk_server_credentials_t cred, gnutls_psk_server_credentials_function2 func);
- gnutls_psk_server_credentials_t cred
is a gnutls_psk_server_credentials_t type.
- gnutls_psk_server_credentials_function2 func
is the callback function
This function can be used to set a callback to retrieve the user's PSK credentials. The callback's function form is: int (*callback)(gnutls_session_t, const gnutls_datum_t* username, gnutls_datum_t* key);
This callback function has the same semantics as that of gnutls_psk_set_server_credentials_function(), but it allows non-string usernames to be used.
username contains the actual username. The key must be filled in using the gnutls_malloc().
In case the callback returned a negative number then gnutls will assume that the username does not exist.
The callback function will only be called once per handshake. The callback function should return 0 on success, while -1 indicates an error.
Report bugs to <firstname.lastname@example.org>.
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