78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <fcntl.h>
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#include <sys/stat.h>
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#include "fs.h"
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#include "util.h"
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static char *modestr = "";
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static mode_t mask = 0;
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static int ret = 0;
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static void
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chmodr(int dirfd, const char *name, struct stat *st, void *data, struct recursor *r)
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{
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mode_t m;
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m = parsemode(modestr, st->st_mode, mask);
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if (!S_ISLNK(st->st_mode) && fchmodat(dirfd, name, m, 0) < 0) {
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weprintf("chmod %s:", r->path);
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ret = 1;
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} else if (S_ISDIR(st->st_mode)) {
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recurse(dirfd, name, NULL, r);
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}
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}
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static void
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usage(void)
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{
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eprintf("usage: %s [-R] mode file ...\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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struct recursor r = { .fn = chmodr, .maxdepth = 1, .follow = 'H', .flags = DIRFIRST };
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size_t i;
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argv0 = *argv, argv0 ? (argc--, argv++) : (void *)0;
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for (; *argv && (*argv)[0] == '-'; argc--, argv++) {
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if (!(*argv)[1])
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usage();
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for (i = 1; (*argv)[i]; i++) {
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switch ((*argv)[i]) {
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case 'R':
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r.maxdepth = 0;
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break;
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case 'r': case 'w': case 'x': case 'X': case 's': case 't':
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/* -[rwxXst] are valid modes, so we're done */
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if (i == 1)
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goto done;
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/* fallthrough */
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case '-':
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/* -- terminator */
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if (i == 1 && !(*argv)[i + 1]) {
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argv++;
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argc--;
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goto done;
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}
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/* fallthrough */
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default:
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usage();
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}
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}
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}
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done:
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mask = getumask();
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modestr = *argv;
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if (argc < 2)
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usage();
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for (--argc, ++argv; *argv; argc--, argv++)
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recurse(AT_FDCWD, *argv, NULL, &r);
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return ret || recurse_status;
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}
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