gnutls_psk_set_client_credentials_function(3)

NAME
gnutls_psk_set_client_credentials_function - API function

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 <bug-gnutls@gnu.org>.
General guidelines for reporting bugs: http://www.gnu.org/gethelp/
GnuTLS home page: http://www.gnu.org/software/gnutls/

COPYRIGHT
Copyright © 2001-2013 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.

SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual. If the info and gnutls programs are properly installed at your site, the command

    info gnutls

should give you access to the complete manual. As an alternative you may obtain the manual from:

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