Api function
#include <gnutls/gnutls.h>
void gnutls_psk_set_client_credentials_function(gnutls_psk_client_credentials_t cred, gnutls_psk_client_credentials_function * func);
is a gnutls_psk_server_credentials_t structure.
is the callback function
This function can be used to set a callback to retrieve the username and password for client PSK authentication. The callback's function form is: int (*callback)(gnutls_session_t, char** username, gnutls_datum_t* key);
The username and key ->data must be allocated using gnutls_malloc(). username should be ASCII strings or UTF-8 strings prepared using the "SASLprep" profile of "stringprep".
The callback function will be called once per handshake.
The callback function should return 0 on success. -1 indicates an error.
Report bugs to <[email protected]>.
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