/*
 * Copyright (C) 2017 Nikos Mavrogiannopoulos
 *
 * Author: Nikos Mavrogiannopoulos
 *
 * This file is part of GnuTLS.
 *
 * GnuTLS is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * GnuTLS is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GnuTLS.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <gnutls/gnutls.h>
#include <gnutls/pkcs11.h>

static int pin_func(void *userdata, int attempt, const char *url,
		    const char *label, unsigned flags, char *pin,
		    size_t pin_max)
{
	if (attempt == 0) {
		strcpy(pin, "xxx");
		return 0;
	}
	return -1;
}

int main(int argc, char **argv)
{
	void *u;
	gnutls_pin_callback_t cb;

	gnutls_pkcs11_set_pin_function(pin_func, (void *)-1);

	cb = gnutls_pkcs11_get_pin_function(&u);

	assert(u == (void *)-1);
	assert(cb == pin_func);

	return 0;
}
