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1.1 deraadt 1: /* $NetBSD: chflags.c,v 1.4 1995/03/26 08:49:20 glass Exp $ */
2:
3: /*
4: * Copyright (c) 1992, 1993, 1994
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. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by the University of
18: * California, Berkeley and its contributors.
19: * 4. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: */
35:
36: #ifndef lint
37: static char copyright[] =
38: "@(#) Copyright (c) 1992, 1993, 1994\n\
39: The Regents of the University of California. All rights reserved.\n";
40: #endif /* not lint */
41:
42: #ifndef lint
43: #if 0
44: static char sccsid[] = "from: @(#)chflags.c 8.5 (Berkeley) 4/1/94";
45: #else
46: static char rcsid[] = "$NetBSD: chflags.c,v 1.4 1995/03/26 08:49:20 glass Exp $";
47: #endif
48: #endif /* not lint */
49:
50: #include <sys/types.h>
51: #include <sys/stat.h>
52:
53: #include <err.h>
54: #include <errno.h>
55: #include <fts.h>
56: #include <stdio.h>
57: #include <stdlib.h>
58: #include <string.h>
59: #include <unistd.h>
60:
61: u_long string_to_flags __P((char **, u_long *, u_long *));
62: void usage __P((void));
63:
64: int
65: main(argc, argv)
66: int argc;
67: char *argv[];
68: {
69: FTS *ftsp;
70: FTSENT *p;
71: u_long clear, set;
72: long val;
73: int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval;
74: char *flags, *ep;
75:
76: Hflag = Lflag = Pflag = Rflag = 0;
77: while ((ch = getopt(argc, argv, "HLPR")) != -1)
78: switch (ch) {
79: case 'H':
80: Hflag = 1;
81: Lflag = Pflag = 0;
82: break;
83: case 'L':
84: Lflag = 1;
85: Hflag = Pflag = 0;
86: break;
87: case 'P':
88: Pflag = 1;
89: Hflag = Lflag = 0;
90: break;
91: case 'R':
92: Rflag = 1;
93: break;
94: case '?':
95: default:
96: usage();
97: }
98: argv += optind;
99: argc -= optind;
100:
101: if (argc < 2)
102: usage();
103:
104: fts_options = FTS_PHYSICAL;
105: if (Rflag) {
106: if (Hflag)
107: fts_options |= FTS_COMFOLLOW;
108: if (Lflag) {
109: fts_options &= ~FTS_PHYSICAL;
110: fts_options |= FTS_LOGICAL;
111: }
112: }
113:
114: flags = *argv;
115: if (*flags >= '0' && *flags <= '7') {
116: errno = 0;
117: val = strtol(flags, &ep, 8);
118: if (val < 0)
119: errno = ERANGE;
120: if (errno)
121: err(1, "invalid flags: %s", flags);
122: if (*ep)
123: errx(1, "invalid flags: %s", flags);
124: set = val;
125: oct = 1;
126: } else {
127: if (string_to_flags(&flags, &set, &clear))
128: errx(1, "invalid flag: %s", flags);
129: clear = ~clear;
130: oct = 0;
131: }
132:
133: if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL)
134: err(1, NULL);
135:
136: for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
137: switch (p->fts_info) {
138: case FTS_D:
139: if (Rflag) /* Change it at FTS_DP. */
140: continue;
141: fts_set(ftsp, p, FTS_SKIP);
142: break;
143: case FTS_DNR: /* Warn, chflag, continue. */
144: warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
145: rval = 1;
146: break;
147: case FTS_ERR: /* Warn, continue. */
148: case FTS_NS:
149: warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
150: rval = 1;
151: continue;
152: case FTS_SL: /* Ignore. */
153: case FTS_SLNONE:
154: /*
155: * The only symlinks that end up here are ones that
156: * don't point to anything and ones that we found
157: * doing a physical walk.
158: */
159: continue;
160: default:
161: break;
162: }
163: if (oct) {
164: if (!chflags(p->fts_accpath, set))
165: continue;
166: } else {
167: p->fts_statp->st_flags |= set;
168: p->fts_statp->st_flags &= clear;
169: if (!chflags(p->fts_accpath, p->fts_statp->st_flags))
170: continue;
171: }
172: warn("%s", p->fts_path);
173: rval = 1;
174: }
175: if (errno)
176: err(1, "fts_read");
177: exit(rval);
178: }
179:
180: void
181: usage()
182: {
183: (void)fprintf(stderr,
184: "usage: chflags [-R [-H | -L | -P]] flags file ...\n");
185: exit(1);
186: }