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mtree.c

/*    $OpenBSD: mtree.c,v 1.18 2003/07/26 17:34:18 millert Exp $  */
/*    $NetBSD: mtree.c,v 1.7 1996/09/05 23:29:22 thorpej Exp $    */

/*-
 * Copyright (c) 1989, 1990, 1993
 *    The Regents of the University of California.  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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1989, 1990, 1993\n\
      The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#ifndef lint
#if 0
static const char sccsid[] = "@(#)mtree.c 8.1 (Berkeley) 6/6/93";
#else
static const char rcsid[] = "$OpenBSD: mtree.c,v 1.18 2003/07/26 17:34:18 millert Exp $";
#endif
#endif /* not lint */

#include <sys/param.h>
#include <sys/stat.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <fts.h>
#include "mtree.h"
#include "extern.h"

extern u_int32_t crc_total;

int ftsoptions = FTS_PHYSICAL;
int cflag, dflag, eflag, iflag, lflag, nflag, qflag, rflag, sflag, tflag,
    uflag, Uflag;
u_int keys;
char fullpath[MAXPATHLEN];

static void usage(void);

int
main(int argc, char *argv[])
{
      extern int optind;
      extern char *optarg;
      int ch;
      char *dir, *p;
      int status;

      dir = NULL;
      keys = KEYDEFAULT;
      while ((ch = getopt(argc, argv, "cdef:iK:k:lnp:qrs:tUux")) != -1)
            switch((char)ch) {
            case 'c':
                  cflag = 1;
                  break;
            case 'd':
                  dflag = 1;
                  break;
            case 'e':
                  eflag = 1;
                  break;
            case 'f':
                  if (!(freopen(optarg, "r", stdin)))
                        error("%s: %s", optarg, strerror(errno));
                  break;
            case 'i':
                  iflag = 1;
                  break;
            case 'K':
                  while ((p = strsep(&optarg, " \t,")) != NULL)
                        if (*p != '\0')
                              keys |= parsekey(p, NULL);
                  break;
            case 'k':
                  keys = F_TYPE;
                  while ((p = strsep(&optarg, " \t,")) != NULL)
                        if (*p != '\0')
                              keys |= parsekey(p, NULL);
                  break;
            case 'l':
                  lflag = 1;
                  break;
            case 'n':
                  nflag = 1;
                  break;
            case 'p':
                  dir = optarg;
                  break;
            case 'q':
                  qflag = 1;
                  break;
            case 'r':
                  rflag = 1;
                  break;
            case 's':
                  sflag = 1;
                  crc_total = ~strtol(optarg, &p, 0);
                  if (*p)
                        error("illegal seed value -- %s", optarg);
                  break;
            case 't':
                  tflag = 1;
                  break;
            case 'U':
                  Uflag = 1;
                  uflag = 1;
                  break;
            case 'u':
                  uflag = 1;
                  break;
            case 'x':
                  ftsoptions |= FTS_XDEV;
                  break;
            case '?':
            default:
                  usage();
            }
      argc -= optind;
      argv += optind;

      if (argc)
            usage();

      if (dir && chdir(dir))
            error("%s: %s", dir, strerror(errno));

      if ((cflag || sflag) && !getcwd(fullpath, sizeof fullpath))
            error("getcwd: %s", strerror(errno));

      if (lflag == 1 && uflag == 1)
            error("-l and -u flags are mutually exclusive");

      if (cflag) {
            cwalk();
            exit(0);
      }
      status = verify();
      if (Uflag && (status == MISMATCHEXIT))
            status = 0;
      exit(status);
}

static void
usage(void)
{
      (void)fprintf(stderr,
"usage: mtree [-cdeilnqrtUux] [-f spec] [-K key] [-k key] [-p path] [-s seed]\n");
      exit(1);
}

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