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1 /*      $NetBSD: mtree.c,v 1.49 2014/04/24 17:22:41 christos 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 1.49 2014/04/24 17:22:41 christos 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     bflag, dflag, eflag, iflag, jflag, lflag, mflag, nflag, qflag, rflag,
63         sflag, tflag, uflag;
64 char    fullpath[MAXPATHLEN];
65
66 static struct {
67         enum flavor flavor;
68         const char name[9];
69 } flavors[] = {
70         {F_MTREE, "mtree"},
71         {F_FREEBSD9, "freebsd9"},
72         {F_NETBSD6, "netbsd6"},
73 };
74
75 __dead static   void    usage(void);
76
77 int
78 main(int argc, char **argv)
79 {
80         int     ch, status;
81         unsigned int    i;
82         int     cflag, Cflag, Dflag, Uflag, wflag;
83         char    *dir, *p;
84         FILE    *spec1, *spec2;
85
86         setprogname(argv[0]);
87
88         cflag = Cflag = Dflag = Uflag = wflag = 0;
89         dir = NULL;
90         init_excludes();
91         spec1 = stdin;
92         spec2 = NULL;
93
94         while ((ch = getopt(argc, argv,
95             "bcCdDeE:f:F:I:ijk:K:lLmMnN:O:p:PqrR:s:StuUwWxX:"))
96             != -1) {
97                 switch((char)ch) {
98                 case 'b':
99                         bflag = 1;
100                         break;
101                 case 'c':
102                         cflag = 1;
103                         break;
104                 case 'C':
105                         Cflag = 1;
106                         break;
107                 case 'd':
108                         dflag = 1;
109                         break;
110                 case 'D':
111                         Dflag = 1;
112                         break;
113                 case 'E':
114                         parsetags(&excludetags, optarg);
115                         break;
116                 case 'e':
117                         eflag = 1;
118                         break;
119                 case 'f':
120                         if (spec1 == stdin) {
121                                 spec1 = fopen(optarg, "r");
122                                 if (spec1 == NULL)
123                                         mtree_err("%s: %s", optarg,
124                                             strerror(errno));
125                         } else if (spec2 == NULL) {
126                                 spec2 = fopen(optarg, "r");
127                                 if (spec2 == NULL)
128                                         mtree_err("%s: %s", optarg,
129                                             strerror(errno));
130                         } else
131                                 usage();
132                         break;
133                 case 'F':
134                         for (i = 0; i < __arraycount(flavors); i++)
135                                 if (strcmp(optarg, flavors[i].name) == 0) {
136                                         flavor = flavors[i].flavor;
137                                         break;
138                                 }
139                         if (i == __arraycount(flavors))
140                                 usage();
141                         break;
142                 case 'i':
143                         iflag = 1;
144                         break;
145                 case 'I':
146                         parsetags(&includetags, optarg);
147                         break;
148                 case 'j':
149                         jflag = 1;
150                         break;
151                 case 'k':
152                         keys = F_TYPE;
153                         while ((p = strsep(&optarg, " \t,")) != NULL)
154                                 if (*p != '\0')
155                                         keys |= parsekey(p, NULL);
156                         break;
157                 case 'K':
158                         while ((p = strsep(&optarg, " \t,")) != NULL)
159                                 if (*p != '\0')
160                                         keys |= parsekey(p, NULL);
161                         break;
162                 case 'l':
163                         lflag = 1;
164                         break;
165                 case 'L':
166                         ftsoptions &= ~FTS_PHYSICAL;
167                         ftsoptions |= FTS_LOGICAL;
168                         break;
169                 case 'm':
170                         mflag = 1;
171                         break;
172                 case 'M':
173                         mtree_Mflag = 1;
174                         break;
175                 case 'n':
176                         nflag = 1;
177                         break;
178                 case 'N':
179                         if (! setup_getid(optarg))
180                                 mtree_err(
181                             "Unable to use user and group databases in `%s'",
182                                     optarg);
183                         break;
184                 case 'O':
185                         load_only(optarg);
186                         break;
187                 case 'p':
188                         dir = optarg;
189                         break;
190                 case 'P':
191                         ftsoptions &= ~FTS_LOGICAL;
192                         ftsoptions |= FTS_PHYSICAL;
193                         break;
194                 case 'q':
195                         qflag = 1;
196                         break;
197                 case 'r':
198                         rflag = 1;
199                         break;
200                 case 'R':
201                         while ((p = strsep(&optarg, " \t,")) != NULL)
202                                 if (*p != '\0')
203                                         keys &= ~parsekey(p, NULL);
204                         break;
205                 case 's':
206                         sflag = 1;
207                         crc_total = ~strtol(optarg, &p, 0);
208                         if (*p)
209                                 mtree_err("illegal seed value -- %s", optarg);
210                         break;
211                 case 'S':
212                         mtree_Sflag = 1;
213                         break;
214                 case 't':
215                         tflag = 1;
216                         break;
217                 case 'u':
218                         uflag = 1;
219                         break;
220                 case 'U':
221                         Uflag = uflag = 1;
222                         break;
223                 case 'w':
224                         wflag = 1;
225                         break;
226                 case 'W':
227                         mtree_Wflag = 1;
228                         break;
229                 case 'x':
230                         ftsoptions |= FTS_XDEV;
231                         break;
232                 case 'X':
233                         read_excludes_file(optarg);
234                         break;
235                 case '?':
236                 default:
237                         usage();
238                 }
239         }
240         argc -= optind;
241         argv += optind;
242
243         if (argc)
244                 usage();
245
246         switch (flavor) {
247         case F_FREEBSD9:
248                 if (cflag && iflag) {
249                         warnx("-c and -i passed, replacing -i with -j for "
250                             "FreeBSD compatibility");
251                         iflag = 0;
252                         jflag = 1;
253                 }
254                 if (dflag && !bflag) {
255                         warnx("Adding -b to -d for FreeBSD compatibility");
256                         bflag = 1;
257                 }
258                 if (uflag && !iflag) {
259                         warnx("Adding -i to -%c for FreeBSD compatibility",
260                             Uflag ? 'U' : 'u');
261                         iflag = 1;
262                 }
263                 if (uflag && !tflag) {
264                         warnx("Adding -t to -%c for FreeBSD compatibility",
265                             Uflag ? 'U' : 'u');
266                         tflag = 1;
267                 }
268                 if (wflag)
269                         warnx("The -w flag is a no-op");
270                 break;
271         default:
272                 if (wflag)
273                         usage();
274         }
275
276         if (spec2 && (cflag || Cflag || Dflag))
277                 mtree_err("Double -f, -c, -C and -D flags are mutually "
278                     "exclusive");
279
280         if (dir && spec2)
281                 mtree_err("Double -f and -p flags are mutually exclusive");
282
283         if (dir && chdir(dir))
284                 mtree_err("%s: %s", dir, strerror(errno));
285
286         if ((cflag || sflag) && !getcwd(fullpath, sizeof(fullpath)))
287                 mtree_err("%s", strerror(errno));
288
289         if ((cflag && Cflag) || (cflag && Dflag) || (Cflag && Dflag))
290                 mtree_err("-c, -C and -D flags are mutually exclusive");
291
292         if (iflag && mflag)
293                 mtree_err("-i and -m flags are mutually exclusive");
294
295         if (lflag && uflag)
296                 mtree_err("-l and -u flags are mutually exclusive");
297
298         if (cflag) {
299                 cwalk(stdout);
300                 exit(0);
301         }
302         if (Cflag || Dflag) {
303                 dump_nodes(stdout, "", spec(spec1), Dflag);
304                 exit(0);
305         }
306         if (spec2 != NULL)
307                 status = mtree_specspec(spec1, spec2);
308         else
309                 status = verify(spec1);
310         if (Uflag && (status == MISMATCHEXIT))
311                 status = 0;
312         exit(status);
313 }
314
315 static void
316 usage(void)
317 {
318         unsigned int i;
319
320         fprintf(stderr,
321             "usage: %s [-bCcDdejLlMnPqrStUuWx] [-i|-m] [-E tags]\n"
322             "\t\t[-f spec] [-f spec]\n"
323             "\t\t[-I tags] [-K keywords] [-k keywords] [-N dbdir] [-p path]\n"
324             "\t\t[-R keywords] [-s seed] [-X exclude-file]\n"
325             "\t\t[-F flavor]\n",
326             getprogname());
327         fprintf(stderr, "\nflavors:");
328         for (i = 0; i < __arraycount(flavors); i++)
329                 fprintf(stderr, " %s", flavors[i].name);
330         fprintf(stderr, "\n");
331         exit(1);
332 }