Ejemplo n.º 1
0
int
main(int argc, char *argv[])
{
	FTS *ftsp;
	FTSENT *p;
	mode_t *set;
	int Hflag, Lflag, Rflag, ch, fflag, fts_options, hflag, rval;
	int vflag;
	char *mode;
	mode_t newmode;

	set = NULL;
	Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
	while ((ch = getopt(argc, argv, "HLPRXfghorstuvwx")) != -1)
		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;
		case 'h':
			/*
			 * In System V the -h option causes chmod to change
			 * the mode of the symbolic link. 4.4BSD's symbolic
			 * links didn't have modes, so it was an undocumented
			 * noop.  In FreeBSD 3.0, lchmod(2) is introduced and
			 * this option does real work.
			 */
			hflag = 1;
			break;
		/*
		 * XXX
		 * "-[rwx]" are valid mode commands.  If they are the entire
		 * argument, getopt has moved past them, so decrement optind.
		 * Regardless, we're done argument processing.
		 */
		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();

	(void)signal(SIGINFO, siginfo_handler);

	if (Rflag) {
		if (hflag)
			errx(1, "the -R and -h options may not be "
			    "specified together.");
		if (Lflag) {
			fts_options = FTS_LOGICAL;
		} else {
			fts_options = FTS_PHYSICAL;

			if (Hflag) {
				fts_options |= FTS_COMFOLLOW;
			}
		}
	} else if (hflag) {
		fts_options = FTS_PHYSICAL;
	} else {
		fts_options = FTS_LOGICAL;
	}

	mode = *argv;
	if ((set = setmode(mode)) == NULL)
		errx(1, "invalid file mode: %s", mode);

	if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
		err(1, "fts_open");
	for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
		int atflag;

		if ((fts_options & FTS_LOGICAL) ||
		    ((fts_options & FTS_COMFOLLOW) &&
		    p->fts_level == FTS_ROOTLEVEL))
			atflag = 0;
		else
			atflag = AT_SYMLINK_NOFOLLOW;

		switch (p->fts_info) {
		case FTS_D:
			if (!Rflag)
				fts_set(ftsp, p, FTS_SKIP);
			break;
		case FTS_DNR:			/* Warn, chmod. */
			warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
			rval = 1;
			break;
		case FTS_DP:			/* Already changed at FTS_D. */
			continue;
		case FTS_ERR:			/* Warn, continue. */
		case FTS_NS:
			warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
			rval = 1;
			continue;
		default:
			break;
		}
		newmode = getmode(set, p->fts_statp->st_mode);
		/*
		 * With NFSv4 ACLs, it is possible that applying a mode
		 * identical to the one computed from an ACL will change
		 * that ACL.
		 */
		if (may_have_nfs4acl(p, hflag) == 0 &&
		    (newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
				continue;
		if (fchmodat(AT_FDCWD, p->fts_accpath, newmode, atflag) == -1
		    && !fflag) {
			warn("%s", p->fts_path);
			rval = 1;
		} else if (vflag || siginfo) {
			(void)printf("%s", p->fts_path);

			if (vflag > 1 || siginfo) {
				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");
			siginfo = 0;
		}
	}
	if (errno)
		err(1, "fts_read");
	exit(rval);
}
Ejemplo n.º 2
0
int
main(int argc, char *argv[])
{
	FTS *ftsp;
	FTSENT *p;
	mode_t *set;
	int Hflag, Lflag, Rflag, ch, error, fflag, fts_options, hflag, rval;
	int vflag;
	char *mode;
	mode_t newmode;

	set = NULL;
	Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
	while ((ch = getopt(argc, argv, "HLPRXfghorstuvwx")) != -1)
		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;
		case 'h':
			/*
			 * In System V (and probably POSIX.2) the -h option
			 * causes chmod to change the mode of the symbolic
			 * link.  4.4BSD's symbolic links didn't have modes,
			 * so it was an undocumented noop.  In FreeBSD 3.0,
			 * lchmod(2) is introduced and this option does real
			 * work.
			 */
			hflag = 1;
			break;
		/*
		 * XXX
		 * "-[rwx]" are valid mode commands.  If they are the entire
		 * argument, getopt has moved past them, so decrement optind.
		 * Regardless, we're done argument processing.
		 */
		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;

	mode = *argv;
	if ((set = setmode(mode)) == NULL)
		errx(1, "invalid file mode: %s", mode);

	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:			/* Change it at FTS_DP. */
			if (!Rflag)
				fts_set(ftsp, p, FTS_SKIP);
			continue;
		case FTS_DNR:			/* Warn, chmod, continue. */
			warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
			rval = 1;
			break;
		case FTS_ERR:			/* Warn, continue. */
		case FTS_NS:
			warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
			rval = 1;
			continue;
		case FTS_SL:			/* Ignore. */
		case FTS_SLNONE:
			/*
			 * The only symlinks that end up here are ones that
			 * don't point to anything and ones that we found
			 * doing a physical walk.
			 */
			if (!hflag)
				continue;
			/* FALLTHROUGH */
		default:
			break;
		}
		newmode = getmode(set, p->fts_statp->st_mode);
		/*
		 * With NFSv4 ACLs, it is possible that applying a mode
		 * identical to the one computed from an ACL will change
		 * that ACL.
		 */
		if (may_have_nfs4acl(p, hflag) == 0 &&
		    (newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
				continue;
		if (hflag)
			error = lchmod(p->fts_accpath, newmode);
		else
			error = chmod(p->fts_accpath, newmode);
		if (error) {
			if (!fflag) {
				warn("%s", p->fts_path);
				rval = 1;
			}
		} else {
			if (vflag) {
				(void)printf("%s", p->fts_path);

				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");
	exit(rval);
}