SYNOPSIS

#include <gnutls/gnutls.h>

void gnutls_psk_set_client_credentials_function(gnutls_psk_client_credentials_t cred, gnutls_psk_client_credentials_function * func);

ARGUMENTS

gnutls_psk_client_credentials_t cred

is a gnutls_psk_server_credentials_t structure.

gnutls_psk_client_credentials_function * func

is the callback function

DESCRIPTION

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.

REPORTING BUGS

Report bugs to <[email protected]>.

Home page: http://www.gnutls.org

COPYRIGHT

Copyright © 2001-2014 Free Software Foundation, Inc..

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

RELATED TO gnutls_psk_set_client_credentials_function…

The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

http://www.gnutls.org/manual/