Merge branch 'vendor/DHCPCD'
[dragonfly.git] / usr.sbin / mtree / mtree.c
1 /*      @(#)mtree.c     8.1 (Berkeley) 6/6/93   */
2 /*      $NetBSD: mtree.c,v 1.50 2015/01/23 02:27:01 christos Exp $      */
3
4 /*-
5  * Copyright (c) 1989, 1990, 1993
6  *      The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32
33 #include <sys/param.h>
34 #include <sys/stat.h>
35
36 #include <errno.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <unistd.h>
41
42 #include "extern.h"
43
44 int     ftsoptions = FTS_PHYSICAL;
45 int     bflag, dflag, eflag, iflag, jflag, lflag, mflag, nflag, qflag, rflag,
46         sflag, tflag, uflag;
47 char    fullpath[MAXPATHLEN];
48
49 static struct {
50         enum flavor flavor;
51         const char name[9];
52 } flavors[] = {
53         {F_MTREE, "mtree"},
54         {F_FREEBSD9, "freebsd9"},
55         {F_NETBSD6, "netbsd6"},
56 };
57
58 __dead2 static  void    usage(void);
59
60 int
61 main(int argc, char **argv)
62 {
63         int     ch, status;
64         unsigned int    i;
65         int     cflag, Cflag, Dflag, Uflag, wflag;
66         char    *dir, *p;
67         FILE    *spec1, *spec2;
68
69         setprogname(argv[0]);
70
71         cflag = Cflag = Dflag = Uflag = wflag = 0;
72         dir = NULL;
73         init_excludes();
74         spec1 = stdin;
75         spec2 = NULL;
76
77         while ((ch = getopt(argc, argv,
78             "bcCdDeE:f:F:I:ijk:K:lLmMnN:O:p:PqrR:s:StuUwWxX:"))
79             != -1) {
80                 switch((char)ch) {
81                 case 'b':
82                         bflag = 1;
83                         break;
84                 case 'c':
85                         cflag = 1;
86                         break;
87                 case 'C':
88                         Cflag = 1;
89                         break;
90                 case 'd':
91                         dflag = 1;
92                         break;
93                 case 'D':
94                         Dflag = 1;
95                         break;
96                 case 'E':
97                         parsetags(&excludetags, optarg);
98                         break;
99                 case 'e':
100                         eflag = 1;
101                         break;
102                 case 'f':
103                         if (spec1 == stdin) {
104                                 spec1 = fopen(optarg, "r");
105                                 if (spec1 == NULL)
106                                         mtree_err("%s: %s", optarg,
107                                             strerror(errno));
108                         } else if (spec2 == NULL) {
109                                 spec2 = fopen(optarg, "r");
110                                 if (spec2 == NULL)
111                                         mtree_err("%s: %s", optarg,
112                                             strerror(errno));
113                         } else
114                                 usage();
115                         break;
116                 case 'F':
117                         for (i = 0; i < NELEM(flavors); i++)
118                                 if (strcmp(optarg, flavors[i].name) == 0) {
119                                         flavor = flavors[i].flavor;
120                                         break;
121                                 }
122                         if (i == NELEM(flavors))
123                                 usage();
124                         break;
125                 case 'i':
126                         iflag = 1;
127                         break;
128                 case 'I':
129                         parsetags(&includetags, optarg);
130                         break;
131                 case 'j':
132                         jflag = 1;
133                         break;
134                 case 'k':
135                         keys = F_TYPE;
136                         while ((p = strsep(&optarg, " \t,")) != NULL)
137                                 if (*p != '\0')
138                                         keys |= parsekey(p, NULL);
139                         break;
140                 case 'K':
141                         while ((p = strsep(&optarg, " \t,")) != NULL)
142                                 if (*p != '\0')
143                                         keys |= parsekey(p, NULL);
144                         break;
145                 case 'l':
146                         lflag = 1;
147                         break;
148                 case 'L':
149                         ftsoptions &= ~FTS_PHYSICAL;
150                         ftsoptions |= FTS_LOGICAL;
151                         break;
152                 case 'm':
153                         mflag = 1;
154                         break;
155                 case 'M':
156                         mtree_Mflag = 1;
157                         break;
158                 case 'n':
159                         nflag = 1;
160                         break;
161                 case 'N':
162 #ifdef BOOTSTRAPPING
163                         mtree_err("The -N is disabled in btools");
164 #else
165                         if (! setup_getid(optarg))
166                                 mtree_err(
167                             "Unable to use user and group databases in `%s'",
168                                     optarg);
169 #endif
170                         break;
171                 case 'O':
172                         load_only(optarg);
173                         break;
174                 case 'p':
175                         dir = optarg;
176                         break;
177                 case 'P':
178                         ftsoptions &= ~FTS_LOGICAL;
179                         ftsoptions |= FTS_PHYSICAL;
180                         break;
181                 case 'q':
182                         qflag = 1;
183                         break;
184                 case 'r':
185                         rflag++;
186                         break;
187                 case 'R':
188                         while ((p = strsep(&optarg, " \t,")) != NULL)
189                                 if (*p != '\0')
190                                         keys &= ~parsekey(p, NULL);
191                         break;
192                 case 's':
193                         sflag = 1;
194                         crc_total = ~strtol(optarg, &p, 0);
195                         if (*p)
196                                 mtree_err("illegal seed value -- %s", optarg);
197                         break;
198                 case 'S':
199                         mtree_Sflag = 1;
200                         break;
201                 case 't':
202                         tflag = 1;
203                         break;
204                 case 'u':
205                         uflag = 1;
206                         break;
207                 case 'U':
208                         Uflag = uflag = 1;
209                         break;
210                 case 'w':
211                         wflag = 1;
212                         break;
213                 case 'W':
214                         mtree_Wflag = 1;
215                         break;
216                 case 'x':
217                         ftsoptions |= FTS_XDEV;
218                         break;
219                 case 'X':
220                         read_excludes_file(optarg);
221                         break;
222                 case '?':
223                 default:
224                         usage();
225                 }
226         }
227         argc -= optind;
228         argv += optind;
229
230         if (argc)
231                 usage();
232
233         switch (flavor) {
234         case F_FREEBSD9:
235                 if (cflag && iflag) {
236                         warnx("-c and -i passed, replacing -i with -j for "
237                             "FreeBSD compatibility");
238                         iflag = 0;
239                         jflag = 1;
240                 }
241                 if (dflag && !bflag) {
242                         warnx("Adding -b to -d for FreeBSD compatibility");
243                         bflag = 1;
244                 }
245                 if (uflag && !iflag) {
246                         warnx("Adding -i to -%c for FreeBSD compatibility",
247                             Uflag ? 'U' : 'u');
248                         iflag = 1;
249                 }
250                 if (uflag && !tflag) {
251                         warnx("Adding -t to -%c for FreeBSD compatibility",
252                             Uflag ? 'U' : 'u');
253                         tflag = 1;
254                 }
255                 if (wflag)
256                         warnx("The -w flag is a no-op");
257                 break;
258         default:
259                 if (wflag)
260                         usage();
261         }
262
263         if (spec2 && (cflag || Cflag || Dflag))
264                 mtree_err("Double -f, -c, -C and -D flags are mutually "
265                     "exclusive");
266
267         if (dir && spec2)
268                 mtree_err("Double -f and -p flags are mutually exclusive");
269
270         if (dir && chdir(dir))
271                 mtree_err("%s: %s", dir, strerror(errno));
272
273         if ((cflag || sflag) && !getcwd(fullpath, sizeof(fullpath)))
274                 mtree_err("%s", strerror(errno));
275
276         if ((cflag && Cflag) || (cflag && Dflag) || (Cflag && Dflag))
277                 mtree_err("-c, -C and -D flags are mutually exclusive");
278
279         if (iflag && mflag)
280                 mtree_err("-i and -m flags are mutually exclusive");
281
282         if (lflag && uflag)
283                 mtree_err("-l and -u flags are mutually exclusive");
284
285         if (cflag) {
286                 cwalk(stdout);
287                 exit(0);
288         }
289         if (Cflag || Dflag) {
290                 dump_nodes(stdout, "", spec(spec1), Dflag);
291                 exit(0);
292         }
293         if (spec2 != NULL)
294                 status = mtree_specspec(spec1, spec2);
295         else
296                 status = verify(spec1);
297         if (Uflag && (status == MISMATCHEXIT))
298                 status = 0;
299         exit(status);
300 }
301
302 static void
303 usage(void)
304 {
305         unsigned int i;
306
307         fprintf(stderr,
308             "usage: %s [-bCcDdejLlMnPqrStUuWx] [-i|-m] [-E tags]\n"
309             "\t\t[-f spec] [-f spec]\n"
310             "\t\t[-I tags] [-K keywords] [-k keywords] [-N dbdir] [-p path]\n"
311             "\t\t[-R keywords] [-s seed] [-X exclude-file]\n"
312             "\t\t[-F flavor]\n",
313             getprogname());
314         fprintf(stderr, "\nflavors:");
315         for (i = 0; i < NELEM(flavors); i++)
316                 fprintf(stderr, " %s", flavors[i].name);
317         fprintf(stderr, "\n");
318         exit(1);
319 }