3e160b616a
These flags are non-POSIX and not useful since the mode of symlinks is not used for anything. This prevents a failure when a dangling symlink is encountered during a recursive chmod.
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <sys/stat.h>
|
|
|
|
#include "fs.h"
|
|
#include "util.h"
|
|
|
|
static char *modestr = "";
|
|
static mode_t mask = 0;
|
|
static int ret = 0;
|
|
|
|
static void
|
|
chmodr(const char *path, struct stat *st, void *data, struct recursor *r)
|
|
{
|
|
mode_t m;
|
|
|
|
m = parsemode(modestr, st->st_mode, mask);
|
|
if (!S_ISLNK(st->st_mode) && chmod(path, m) < 0) {
|
|
weprintf("chmod %s:", path);
|
|
ret = 1;
|
|
} else if (S_ISDIR(st->st_mode)) {
|
|
recurse(path, NULL, r);
|
|
}
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s [-R] mode file ...\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct recursor r = { .fn = chmodr, .hist = NULL, .depth = 0, .maxdepth = 1,
|
|
.follow = 'H', .flags = DIRFIRST };
|
|
size_t i;
|
|
|
|
argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
|
|
|
|
for (; *argv && (*argv)[0] == '-'; argc--, argv++) {
|
|
if (!(*argv)[1])
|
|
usage();
|
|
for (i = 1; (*argv)[i]; i++) {
|
|
switch ((*argv)[i]) {
|
|
case 'R':
|
|
r.maxdepth = 0;
|
|
break;
|
|
case 'r': case 'w': case 'x': case 'X': case 's': case 't':
|
|
/* -[rwxXst] are valid modes, so we're done */
|
|
if (i == 1)
|
|
goto done;
|
|
/* fallthrough */
|
|
case '-':
|
|
/* -- terminator */
|
|
if (i == 1 && !(*argv)[i + 1]) {
|
|
argv++;
|
|
argc--;
|
|
goto done;
|
|
}
|
|
/* fallthrough */
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
}
|
|
done:
|
|
mask = getumask();
|
|
modestr = *argv;
|
|
|
|
if (argc < 2)
|
|
usage();
|
|
|
|
for (--argc, ++argv; *argv; argc--, argv++)
|
|
recurse(*argv, NULL, &r);
|
|
|
|
return ret || recurse_status;
|
|
}
|