usr.sbin/mtree/mtree.c

   1 /*      $NetBSD: mtree.c,v 1.37 2011/08/29 20:37:43 joerg Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1989, 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #if HAVE_NBTOOL_CONFIG_H
  33 #include "nbtool_config.h"
  34 #endif
  35
  36 #include <sys/cdefs.h>
  37 #if defined(__COPYRIGHT) && !defined(lint)
  38 __COPYRIGHT("@(#) Copyright (c) 1989, 1990, 1993\
  39  The Regents of the University of California.  All rights reserved.");
  40 #endif /* not lint */
  41
  42 #if defined(__RCSID) && !defined(lint)
  43 #if 0
  44 static char sccsid[] = "@(#)mtree.c     8.1 (Berkeley) 6/6/93";
  45 #else
  46 __RCSID("$NetBSD: mtree.c,v 1.37 2011/08/29 20:37:43 joerg Exp $");
  47 #endif
  48 #endif /* not lint */
  49
  50 #include <sys/param.h>
  51 #include <sys/stat.h>
  52
  53 #include <errno.h>
  54 #include <stdio.h>
  55 #include <stdlib.h>
  56 #include <string.h>
  57 #include <unistd.h>
  58
  59 #include "extern.h"
  60
  61 int     ftsoptions = FTS_PHYSICAL;
  62 int     cflag, Cflag, dflag, Dflag, eflag, iflag, lflag, mflag,
  63         rflag, sflag, tflag, uflag, Uflag;
  64 char    fullpath[MAXPATHLEN];
  65
  66 __dead static   void    usage(void);
  67
  68 int
  69 main(int argc, char **argv)
  70 {
  71         int     ch, status;
  72         char    *dir, *p;
  73
  74         setprogname(argv[0]);
  75
  76         dir = NULL;
  77         init_excludes();
  78
  79         while ((ch = getopt(argc, argv,
  80             "cCdDeE:f:I:ik:K:lLmMN:p:PrR:s:StuUWxX:"))
  81             != -1) {
  82                 switch((char)ch) {
  83                 case 'c':
  84                         cflag = 1;
  85                         break;
  86                 case 'C':
  87                         Cflag = 1;
  88                         break;
  89                 case 'd':
  90                         dflag = 1;
  91                         break;
  92                 case 'D':
  93                         Dflag = 1;
  94                         break;
  95                 case 'E':
  96                         parsetags(&excludetags, optarg);
  97                         break;
  98                 case 'e':
  99                         eflag = 1;
 100                         break;
 101                 case 'f':
 102                         if (!(freopen(optarg, "r", stdin)))
 103                                 mtree_err("%s: %s", optarg, strerror(errno));
 104                         break;
 105                 case 'i':
 106                         iflag = 1;
 107                         break;
 108                 case 'I':
 109                         parsetags(&includetags, optarg);
 110                         break;
 111                 case 'k':
 112                         keys = F_TYPE;
 113                         while ((p = strsep(&optarg, " \t,")) != NULL)
 114                                 if (*p != '\0')
 115                                         keys |= parsekey(p, NULL);
 116                         break;
 117                 case 'K':
 118                         while ((p = strsep(&optarg, " \t,")) != NULL)
 119                                 if (*p != '\0')
 120                                         keys |= parsekey(p, NULL);
 121                         break;
 122                 case 'l':
 123                         lflag = 1;
 124                         break;
 125                 case 'L':
 126                         ftsoptions &= ~FTS_PHYSICAL;
 127                         ftsoptions |= FTS_LOGICAL;
 128                         break;
 129                 case 'm':
 130                         mflag = 1;
 131                         break;
 132                 case 'M':
 133                         mtree_Mflag = 1;
 134                         break;
 135                 case 'N':
 136                         if (! setup_getid(optarg))
 137                                 mtree_err(
 138                             "Unable to use user and group databases in `%s'",
 139                                     optarg);
 140                         break;
 141                 case 'p':
 142                         dir = optarg;
 143                         break;
 144                 case 'P':
 145                         ftsoptions &= ~FTS_LOGICAL;
 146                         ftsoptions |= FTS_PHYSICAL;
 147                         break;
 148                 case 'r':
 149                         rflag = 1;
 150                         break;
 151                 case 'R':
 152                         while ((p = strsep(&optarg, " \t,")) != NULL)
 153                                 if (*p != '\0')
 154                                         keys &= ~parsekey(p, NULL);
 155                         break;
 156                 case 's':
 157                         sflag = 1;
 158                         crc_total = ~strtol(optarg, &p, 0);
 159                         if (*p)
 160                                 mtree_err("illegal seed value -- %s", optarg);
 161                         break;
 162                 case 'S':
 163                         mtree_Sflag = 1;
 164                         break;
 165                 case 't':
 166                         mtree_err("Minix does not support utimes(2)");
 167                         tflag = 1;
 168                         break;
 169                 case 'u':
 170                         mtree_err("Minix does not support lchmod(3)");
 171                         uflag = 1;
 172                         break;
 173                 case 'U':
 174                         Uflag = uflag = 1;
 175                         break;
 176                 case 'W':
 177                         mtree_Wflag = 1;
 178                         break;
 179                 case 'x':
 180                         ftsoptions |= FTS_XDEV;
 181                         break;
 182                 case 'X':
 183                         read_excludes_file(optarg);
 184                         break;
 185                 case '?':
 186                 default:
 187                         usage();
 188                 }
 189         }
 190         argc -= optind;
 191         argv += optind;
 192
 193         if (argc)
 194                 usage();
 195
 196         if (dir && chdir(dir))
 197                 mtree_err("%s: %s", dir, strerror(errno));
 198
 199         if ((cflag || sflag) && !getcwd(fullpath, sizeof(fullpath)))
 200                 mtree_err("%s", strerror(errno));
 201
 202         if ((cflag && Cflag) || (cflag && Dflag) || (Cflag && Dflag))
 203                 mtree_err("-c, -C and -D flags are mutually exclusive");
 204
 205         if (iflag && mflag)
 206                 mtree_err("-i and -m flags are mutually exclusive");
 207
 208         if (lflag && uflag)
 209                 mtree_err("-l and -u flags are mutually exclusive");
 210
 211         if (cflag) {
 212                 cwalk();
 213                 exit(0);
 214         }
 215         if (Cflag || Dflag) {
 216                 dump_nodes("", spec(stdin), Dflag);
 217                 exit(0);
 218         }
 219         status = verify();
 220         if (Uflag && (status == MISMATCHEXIT))
 221                 status = 0;
 222         exit(status);
 223 }
 224
 225 static void
 226 usage(void)
 227 {
 228
 229         fprintf(stderr,
 230             "usage: %s [-CcDdeLlMPrSUuWx] [-i|-m] [-E tags] [-f spec]\n"
 231             "\t\t[-I tags] [-K keywords] [-k keywords] [-N dbdir] [-p path]\n"
 232             "\t\t[-R keywords] [-s seed] [-X exclude-file]\n",
 233             getprogname());
 234         exit(1);
 235 }