/*-
 * Copyright (c) 2002 Millions Consulting Limited
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $Id: main.c,v 1.2 2002/09/11 03:41:50 stacy Exp $
 */

/*
 * Command line program to exercise the FIPS 140-1 random number
 * generator test routines.
 */

#include <sys/types.h>
#include <stdio.h>

#define MONOBIT	0x01
#define POKER	0x02
#define RUNS	0x04
#define LONGRUN	0x08

main(int argc, char **argv)
	{

	char *rfile;
	u_char r[2500]; /* 20,000 bits */
	int fd, c;
	int quiet = 0;
	int cr = 0;
	int exitval = 0;

	if(argc == 1)
		rfile = "/dev/urandom";
	else if(argc == 2)
		rfile = argv[1];
	else
		{
		fprintf(stderr, "%s: usage: %s [random file]", argv[0], argv[0]);
		exit(1);
		}

	if((fd = open(rfile, 0)) < 0)
		{
		printf("can't open %s\n", rfile);
		exit(1);
		}

	do
		{
		if((c = read(fd, &r[cr], 2500 - cr)) < 0)
			{
			fprintf(stderr, "error reading %s\n", rfile);
			exit(256);
			}
		cr += c;
		}
	while(cr != 2500);

	if(fips_monobit_test(r) <= 0)
		{
		if(!quiet)
			fprintf(stdout, "failed monobit test\n");
		exitval |= MONOBIT;
		}

	if(fips_poker_test(r) <= 0)
		{
		if(!quiet)
			fprintf(stdout, "failed poker test\n");
		exitval |= POKER;
		}

	if(fips_runs_test(r) <= 0)
		{
		if(!quiet)
			fprintf(stdout, "failed runs test\n");
		exitval |= RUNS;
		}

	if(fips_long_run_test(r) <= 0)
		{
		if(!quiet)
			fprintf(stdout, "failed long run test\n");
		exitval |= LONGRUN;
		}

	if(!quiet && exitval == 0)
		fprintf(stdout, "%s passed\n", rfile);
	exit(exitval);
	}