| 1 | /*-
|
|---|
| 2 | * Copyright (c) 1989, 1993, 1994
|
|---|
| 3 | * The Regents of the University of California. All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 9 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 10 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 12 | * documentation and/or other materials provided with the distribution.
|
|---|
| 13 | * 4. Neither the name of the University nor the names of its contributors
|
|---|
| 14 | * may be used to endorse or promote products derived from this software
|
|---|
| 15 | * without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|---|
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 27 | * SUCH DAMAGE.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 | #if 0
|
|---|
| 31 | #ifndef lint
|
|---|
| 32 | static char const copyright[] =
|
|---|
| 33 | "@(#) Copyright (c) 1989, 1993, 1994\n\
|
|---|
| 34 | The Regents of the University of California. All rights reserved.\n";
|
|---|
| 35 | #endif /* not lint */
|
|---|
| 36 |
|
|---|
| 37 | #ifndef lint
|
|---|
| 38 | static char sccsid[] = "@(#)chmod.c 8.8 (Berkeley) 4/1/94";
|
|---|
| 39 | #endif /* not lint */
|
|---|
| 40 | #endif
|
|---|
| 41 | /*#include <sys/cdefs.h> */
|
|---|
| 42 | /*__FBSDID("$FreeBSD: src/bin/chmod/chmod.c,v 1.33 2005/01/10 08:39:20 imp Exp $");*/
|
|---|
| 43 |
|
|---|
| 44 | #include <sys/types.h>
|
|---|
| 45 | #include <sys/stat.h>
|
|---|
| 46 |
|
|---|
| 47 | #include "err.h"
|
|---|
| 48 | #include <errno.h>
|
|---|
| 49 | #include <fts.h>
|
|---|
| 50 | #include <limits.h>
|
|---|
| 51 | #include <stdio.h>
|
|---|
| 52 | #include <stdlib.h>
|
|---|
| 53 | #include <string.h>
|
|---|
| 54 | #ifndef _MSC_VER
|
|---|
| 55 | # include <unistd.h>
|
|---|
| 56 | #else
|
|---|
| 57 | # include "mscfakes.h"
|
|---|
| 58 | #endif
|
|---|
| 59 | #include "getopt.h"
|
|---|
| 60 | #include "kmkbuiltin.h"
|
|---|
| 61 |
|
|---|
| 62 | extern void * bsd_setmode(const char *p);
|
|---|
| 63 | extern mode_t bsd_getmode(const void *bbox, mode_t omode);
|
|---|
| 64 | extern void bsd_strmode(mode_t mode, char *p);
|
|---|
| 65 |
|
|---|
| 66 | #if defined(__APPLE__) && !defined(_DARWIN_FEATURE_UNIX_CONFORMANCE)
|
|---|
| 67 | extern int lchmod(const char *, mode_t);
|
|---|
| 68 | #endif
|
|---|
| 69 |
|
|---|
| 70 | static int usage(FILE *);
|
|---|
| 71 |
|
|---|
| 72 | static struct option long_options[] =
|
|---|
| 73 | {
|
|---|
| 74 | { "help", no_argument, 0, 261 },
|
|---|
| 75 | { "version", no_argument, 0, 262 },
|
|---|
| 76 | { 0, 0, 0, 0 },
|
|---|
| 77 | };
|
|---|
| 78 |
|
|---|
| 79 |
|
|---|
| 80 | int
|
|---|
| 81 | kmk_builtin_chmod(int argc, char *argv[], char **envp)
|
|---|
| 82 | {
|
|---|
| 83 | FTS *ftsp;
|
|---|
| 84 | FTSENT *p;
|
|---|
| 85 | mode_t *set;
|
|---|
| 86 | int Hflag, Lflag, Rflag, ch, fflag, fts_options, hflag, rval;
|
|---|
| 87 | int vflag;
|
|---|
| 88 | char *mode;
|
|---|
| 89 | mode_t newmode;
|
|---|
| 90 | int (*change_mode)(const char *, mode_t);
|
|---|
| 91 |
|
|---|
| 92 | /* kmk: reset getopt and set progname */
|
|---|
| 93 | g_progname = argv[0];
|
|---|
| 94 | opterr = 1;
|
|---|
| 95 | optarg = NULL;
|
|---|
| 96 | optopt = 0;
|
|---|
| 97 | optind = 0; /* init */
|
|---|
| 98 |
|
|---|
| 99 | set = NULL;
|
|---|
| 100 | Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
|
|---|
| 101 | while ((ch = getopt_long(argc, argv, "HLPRXfghorstuvwx", long_options, NULL)) != -1)
|
|---|
| 102 | switch (ch) {
|
|---|
| 103 | case 'H':
|
|---|
| 104 | Hflag = 1;
|
|---|
| 105 | Lflag = 0;
|
|---|
| 106 | break;
|
|---|
| 107 | case 'L':
|
|---|
| 108 | Lflag = 1;
|
|---|
| 109 | Hflag = 0;
|
|---|
| 110 | break;
|
|---|
| 111 | case 'P':
|
|---|
| 112 | Hflag = Lflag = 0;
|
|---|
| 113 | break;
|
|---|
| 114 | case 'R':
|
|---|
| 115 | Rflag = 1;
|
|---|
| 116 | break;
|
|---|
| 117 | case 'f':
|
|---|
| 118 | fflag = 1;
|
|---|
| 119 | break;
|
|---|
| 120 | case 'h':
|
|---|
| 121 | /*
|
|---|
| 122 | * In System V (and probably POSIX.2) the -h option
|
|---|
| 123 | * causes chmod to change the mode of the symbolic
|
|---|
| 124 | * link. 4.4BSD's symbolic links didn't have modes,
|
|---|
| 125 | * so it was an undocumented noop. In FreeBSD 3.0,
|
|---|
| 126 | * lchmod(2) is introduced and this option does real
|
|---|
| 127 | * work.
|
|---|
| 128 | */
|
|---|
| 129 | hflag = 1;
|
|---|
| 130 | break;
|
|---|
| 131 | /*
|
|---|
| 132 | * XXX
|
|---|
| 133 | * "-[rwx]" are valid mode commands. If they are the entire
|
|---|
| 134 | * argument, getopt has moved past them, so decrement optind.
|
|---|
| 135 | * Regardless, we're done argument processing.
|
|---|
| 136 | */
|
|---|
| 137 | case 'g': case 'o': case 'r': case 's':
|
|---|
| 138 | case 't': case 'u': case 'w': case 'X': case 'x':
|
|---|
| 139 | if (argv[optind - 1][0] == '-' &&
|
|---|
| 140 | argv[optind - 1][1] == ch &&
|
|---|
| 141 | argv[optind - 1][2] == '\0')
|
|---|
| 142 | --optind;
|
|---|
| 143 | goto done;
|
|---|
| 144 | case 'v':
|
|---|
| 145 | vflag++;
|
|---|
| 146 | break;
|
|---|
| 147 | case 261:
|
|---|
| 148 | usage(stdout);
|
|---|
| 149 | return 0;
|
|---|
| 150 | case 262:
|
|---|
| 151 | return kbuild_version(argv[0]);
|
|---|
| 152 | case '?':
|
|---|
| 153 | default:
|
|---|
| 154 | return usage(stderr);
|
|---|
| 155 | }
|
|---|
| 156 | done: argv += optind;
|
|---|
| 157 | argc -= optind;
|
|---|
| 158 |
|
|---|
| 159 | if (argc < 2)
|
|---|
| 160 | return usage(stderr);
|
|---|
| 161 |
|
|---|
| 162 | if (Rflag) {
|
|---|
| 163 | fts_options = FTS_PHYSICAL;
|
|---|
| 164 | if (hflag)
|
|---|
| 165 | return errx(1,
|
|---|
| 166 | "the -R and -h options may not be specified together.");
|
|---|
| 167 | if (Hflag)
|
|---|
| 168 | fts_options |= FTS_COMFOLLOW;
|
|---|
| 169 | if (Lflag) {
|
|---|
| 170 | fts_options &= ~FTS_PHYSICAL;
|
|---|
| 171 | fts_options |= FTS_LOGICAL;
|
|---|
| 172 | }
|
|---|
| 173 | } else
|
|---|
| 174 | fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL;
|
|---|
| 175 |
|
|---|
| 176 | if (hflag)
|
|---|
| 177 | change_mode = lchmod;
|
|---|
| 178 | else
|
|---|
| 179 | change_mode = chmod;
|
|---|
| 180 |
|
|---|
| 181 | mode = *argv;
|
|---|
| 182 | if ((set = bsd_setmode(mode)) == NULL)
|
|---|
| 183 | return errx(1, "invalid file mode: %s", mode);
|
|---|
| 184 |
|
|---|
| 185 | if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
|
|---|
| 186 | return err(1, "fts_open");
|
|---|
| 187 | for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
|
|---|
| 188 | switch (p->fts_info) {
|
|---|
| 189 | case FTS_D: /* Change it at FTS_DP. */
|
|---|
| 190 | if (!Rflag)
|
|---|
| 191 | fts_set(ftsp, p, FTS_SKIP);
|
|---|
| 192 | continue;
|
|---|
| 193 | case FTS_DNR: /* Warn, chmod, continue. */
|
|---|
| 194 | warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
|
|---|
| 195 | rval = 1;
|
|---|
| 196 | break;
|
|---|
| 197 | case FTS_ERR: /* Warn, continue. */
|
|---|
| 198 | case FTS_NS:
|
|---|
| 199 | warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
|
|---|
| 200 | rval = 1;
|
|---|
| 201 | continue;
|
|---|
| 202 | case FTS_SL: /* Ignore. */
|
|---|
| 203 | case FTS_SLNONE:
|
|---|
| 204 | /*
|
|---|
| 205 | * The only symlinks that end up here are ones that
|
|---|
| 206 | * don't point to anything and ones that we found
|
|---|
| 207 | * doing a physical walk.
|
|---|
| 208 | */
|
|---|
| 209 | if (!hflag)
|
|---|
| 210 | continue;
|
|---|
| 211 | /* else */
|
|---|
| 212 | /* FALLTHROUGH */
|
|---|
| 213 | default:
|
|---|
| 214 | break;
|
|---|
| 215 | }
|
|---|
| 216 | newmode = bsd_getmode(set, p->fts_statp->st_mode);
|
|---|
| 217 | if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
|
|---|
| 218 | continue;
|
|---|
| 219 | if ((*change_mode)(p->fts_accpath, newmode) && !fflag) {
|
|---|
| 220 | warn("%s", p->fts_path);
|
|---|
| 221 | rval = 1;
|
|---|
| 222 | } else {
|
|---|
| 223 | if (vflag) {
|
|---|
| 224 | (void)printf("%s", p->fts_path);
|
|---|
| 225 |
|
|---|
| 226 | if (vflag > 1) {
|
|---|
| 227 | char m1[12], m2[12];
|
|---|
| 228 |
|
|---|
| 229 | bsd_strmode(p->fts_statp->st_mode, m1);
|
|---|
| 230 | bsd_strmode((p->fts_statp->st_mode &
|
|---|
| 231 | S_IFMT) | newmode, m2);
|
|---|
| 232 |
|
|---|
| 233 | (void)printf(": 0%o [%s] -> 0%o [%s]",
|
|---|
| 234 | p->fts_statp->st_mode, m1,
|
|---|
| 235 | (p->fts_statp->st_mode & S_IFMT) |
|
|---|
| 236 | newmode, m2);
|
|---|
| 237 | }
|
|---|
| 238 | (void)printf("\n");
|
|---|
| 239 | }
|
|---|
| 240 |
|
|---|
| 241 | }
|
|---|
| 242 | }
|
|---|
| 243 | if (errno)
|
|---|
| 244 | rval = err(1, "fts_read");
|
|---|
| 245 | free(set);
|
|---|
| 246 | fts_close(ftsp);
|
|---|
| 247 | return rval;
|
|---|
| 248 | }
|
|---|
| 249 |
|
|---|
| 250 | int
|
|---|
| 251 | usage(FILE *out)
|
|---|
| 252 | {
|
|---|
| 253 | (void)fprintf(out,
|
|---|
| 254 | "usage: %s [-fhv] [-R [-H | -L | -P]] mode file ...\n"
|
|---|
| 255 | " or: %s --version\n"
|
|---|
| 256 | " or: %s --help\n",
|
|---|
| 257 | g_progname, g_progname, g_progname);
|
|---|
| 258 |
|
|---|
| 259 | return 1;
|
|---|
| 260 | }
|
|---|
