/*      $NetBSD: h_hash.c,v 1.1 2011/01/02 22:03:25 pgoyette Exp $      */

/*-
 * Copyright (c) 2000 The NetBSD Foundation, Inc.
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

/*
 * Combined MD5/SHA1 time and regression test.
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <md5.h>
#include <sha1.h>


int mflag, rflag, sflag, tflag;

static void
usage(void)
{
        (void)fprintf(stderr,
            "Usage:\t%s -r[ms] < test-file\n"
            "\t%s -t[ms]\n",
            getprogname(), getprogname());
        exit(1);
        /* NOTREACHED */
}

static void
hexdump (unsigned char *buf, int len)
{
        int i;
        for (i=0; i<len; i++) {
                printf("%02x", buf[i]);
        }
        printf("\n");
}


static void
timetest(void)
{
        printf("sorry, not yet\n");
}

#define CHOMP(buf, len, last)                           \
        if ((len > 0) &&                                \
            (buf[len-1] == '\n')) {                     \
                buf[len-1] = '\0';                      \
                len--;                                  \
                last = 1;                               \
        }

static void
regress(void)
{
        unsigned char buf[1024];
        unsigned char out[20];
        int len, outlen, last;
        
        while (fgets((char *)buf, sizeof(buf), stdin) != NULL) {
                last = 0;

                len = strlen((char *)buf);
                CHOMP(buf, len, last);
                if (mflag) {
                        MD5_CTX ctx;

                        MD5Init(&ctx);
                        MD5Update(&ctx, buf, len);
                        while (!last &&
                            fgets((char *)buf, sizeof(buf), stdin) != NULL) {
                                len = strlen((char *)buf);
                                CHOMP(buf, len, last);
                                MD5Update(&ctx, buf, len);
                        }
                        MD5Final(out, &ctx);
                        outlen = 16;
                } else {
                        SHA1_CTX ctx;

                        SHA1Init(&ctx);
                        SHA1Update(&ctx, buf, len);
                        while (!last &&
                            fgets((char *)buf, sizeof(buf), stdin) != NULL) {
                                len = strlen((char *)buf);
                                CHOMP(buf, len, last);                          
                                SHA1Update(&ctx, buf, len);
                        }
                        SHA1Final(out, &ctx);
                        outlen = 20;
                }
                hexdump(out, outlen);
        }
}

int
main(int argc, char **argv)
{
        int ch;

        while ((ch = getopt(argc, argv, "mrst")) != -1)
                switch (ch) {
                case 'm':
                        mflag = 1;
                        break;
                case 'r':
                        rflag = 1;
                        break;
                case 's':
                        sflag = 1;
                        break;
                case 't':
                        tflag = 1;
                        break;
                case '?':
                default:
                        usage();
                }
        argc -= optind;
        argv += optind;
        if (argc > 0)
                usage();

        if (!(mflag || sflag))
                mflag = 1;

        if ((mflag ^ sflag) != 1)
                usage();

        if ((tflag ^ rflag) != 1)
                usage();

        if (tflag)
                timetest();

        if (rflag)
                regress();
        
        exit(0);
        
}