#ifndef lint
static char const copyright[] =
"@(#) Copyright (c) 1989, 1993, 1994\n\
The Regents of the University of California. All rights reserved.\n";
#endif
#ifndef lint
#if 0
static char sccsid[] = "@(#)chmod.c 8.8 (Berkeley) 4/1/94";
#endif
#endif
#include <sys/cdefs.h>
__RCSID("$FreeBSD: src/bin/chmod/chmod.c,v 1.27 2002/08/04 05:29:13 obrien Exp $");
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <errno.h>
#include <fts.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main(int, char *[]);
void usage(void);
int
main(int argc, char *argv[])
{
FTS *ftsp;
FTSENT *p;
mode_t *set;
long val;
int oct;
int Hflag, Lflag, Rflag, ch, fflag, fts_options, hflag, rval;
int vflag;
char *ep, *mode;
mode_t newmode, omode;
int (*change_mode)(const char *, mode_t);
set = NULL;
omode = 0;
Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
#ifndef __APPLE__
while ((ch = getopt(argc, argv, "HLPRXfghorstuvwx")) != -1)
#else
while ((ch = getopt(argc, argv, "HLPRXfgorstuvwx")) != -1)
#endif
switch (ch) {
case 'H':
Hflag = 1;
Lflag = 0;
break;
case 'L':
Lflag = 1;
Hflag = 0;
break;
case 'P':
Hflag = Lflag = 0;
break;
case 'R':
Rflag = 1;
break;
case 'f':
fflag = 1;
break;
#ifndef __APPLE__
case 'h':
hflag = 1;
break;
#endif
case 'g': case 'o': case 'r': case 's':
case 't': case 'u': case 'w': case 'X': case 'x':
if (argv[optind - 1][0] == '-' &&
argv[optind - 1][1] == ch &&
argv[optind - 1][2] == '\0')
--optind;
goto done;
case 'v':
vflag++;
break;
case '?':
default:
usage();
}
done: argv += optind;
argc -= optind;
if (argc < 2)
usage();
if (Rflag) {
fts_options = FTS_PHYSICAL;
if (hflag)
errx(1,
"the -R and -h options may not be specified together.");
if (Hflag)
fts_options |= FTS_COMFOLLOW;
if (Lflag) {
fts_options &= ~FTS_PHYSICAL;
fts_options |= FTS_LOGICAL;
}
} else
fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL;
#ifndef __APPLE__
if (hflag)
change_mode = lchmod;
else
change_mode = chmod;
#else
change_mode = chmod;
#endif
mode = *argv;
if (*mode >= '0' && *mode <= '7') {
errno = 0;
val = strtol(mode, &ep, 8);
if (val > USHRT_MAX || val < 0)
errno = ERANGE;
if (errno)
err(1, "invalid file mode: %s", mode);
if (*ep)
errx(1, "invalid file mode: %s", mode);
omode = (mode_t)val;
oct = 1;
} else {
if ((set = setmode(mode)) == NULL)
errx(1, "invalid file mode: %s", mode);
oct = 0;
}
if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
err(1, "fts_open");
for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
switch (p->fts_info) {
case FTS_D:
if (!Rflag)
fts_set(ftsp, p, FTS_SKIP);
continue;
case FTS_DNR:
warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
rval = 1;
break;
case FTS_ERR:
case FTS_NS:
warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
rval = 1;
continue;
case FTS_SL:
case FTS_SLNONE:
if (!hflag)
continue;
default:
break;
}
newmode = oct ? omode : getmode(set, p->fts_statp->st_mode);
if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
continue;
if ((*change_mode)(p->fts_accpath, newmode) && !fflag) {
warn("%s", p->fts_path);
rval = 1;
} else {
if (vflag) {
(void)printf("%s", p->fts_accpath);
if (vflag > 1) {
char m1[12], m2[12];
strmode(p->fts_statp->st_mode, m1);
strmode((p->fts_statp->st_mode &
S_IFMT) | newmode, m2);
(void)printf(": 0%o [%s] -> 0%o [%s]",
p->fts_statp->st_mode, m1,
(p->fts_statp->st_mode & S_IFMT) |
newmode, m2);
}
(void)printf("\n");
}
}
}
if (errno)
err(1, "fts_read");
free(set);
exit(rval);
}
void
usage(void)
{
#ifdef __APPLE__
(void)fprintf(stderr,
"usage: chmod [-fv] [-R [-H | -L | -P]] mode file ...\n");
#else
(void)fprintf(stderr,
"usage: chmod [-fhv] [-R [-H | -L | -P]] mode file ...\n");
#endif
exit(1);
}