xref: /csrg-svn/bin/chmod/chmod.c (revision 47235)
119840Sdist /*
239829Sbostic  * Copyright (c) 1989 The Regents of the University of California.
339829Sbostic  * All rights reserved.
439829Sbostic  *
542527Sbostic  * %sccs.include.redist.c%
619840Sdist  */
716242Slayer 
819840Sdist #ifndef lint
934043Sbostic char copyright[] =
1039829Sbostic "@(#) Copyright (c) 1989 The Regents of the University of California.\n\
1134043Sbostic  All rights reserved.\n";
1234043Sbostic #endif /* not lint */
1319840Sdist 
1434043Sbostic #ifndef lint
15*47235Sbostic static char sccsid[] = "@(#)chmod.c	5.19 (Berkeley) 03/12/91";
1634043Sbostic #endif /* not lint */
1734043Sbostic 
1816242Slayer #include <sys/types.h>
1916242Slayer #include <sys/stat.h>
2039829Sbostic #include <fts.h>
2139829Sbostic #include <stdio.h>
2242010Sbostic #include <string.h>
2316242Slayer 
2440269Sbostic extern int errno;
2539829Sbostic int retval;
2616242Slayer 
2724503Ssam main(argc, argv)
2834043Sbostic 	int argc;
2934043Sbostic 	char **argv;
3016242Slayer {
3140269Sbostic 	extern int optind;
3239829Sbostic 	register FTS *fts;
3339829Sbostic 	register FTSENT *p;
3439829Sbostic 	register int oct, omode;
3539829Sbostic 	register char *mode;
3640944Sbostic 	mode_t *set, *setmode();
3739829Sbostic 	struct stat sb;
3839829Sbostic 	int ch, fflag, rflag;
3916242Slayer 
4039829Sbostic 	fflag = rflag = 0;
4139829Sbostic 	while ((ch = getopt(argc, argv, "Rfrwx")) != EOF)
4234043Sbostic 		switch((char)ch) {
4324503Ssam 		case 'R':
4447072Sbostic 			rflag = 1;
4524503Ssam 			break;
4647072Sbostic 		case 'f':		/* no longer documented */
4747072Sbostic 			fflag = 1;
4824503Ssam 			break;
4947072Sbostic 		case 'r':		/* "-[rwx]" are valid file modes */
5039829Sbostic 		case 'w':
5139829Sbostic 		case 'x':
5239829Sbostic 			--optind;
5339829Sbostic 			goto done;
5434043Sbostic 		case '?':
5524503Ssam 		default:
5639829Sbostic 			usage();
5723482Smckusick 		}
5834043Sbostic done:	argv += optind;
5934043Sbostic 	argc -= optind;
6034043Sbostic 
6139829Sbostic 	if (argc < 2)
6239829Sbostic 		usage();
6339829Sbostic 
6439829Sbostic 	mode = *argv;
6539829Sbostic 	if (*mode >= '0' && *mode <= '7') {
6639829Sbostic 		omode = (int)strtol(mode, (char **)NULL, 8);
6739829Sbostic 		oct = 1;
6839829Sbostic 	} else {
6940944Sbostic 		if (!(set = setmode(mode))) {
7039829Sbostic 			(void)fprintf(stderr, "chmod: invalid file mode.\n");
7139829Sbostic 			exit(1);
7239829Sbostic 		}
7339829Sbostic 		oct = 0;
7416242Slayer 	}
7534043Sbostic 
7639829Sbostic 	retval = 0;
7739829Sbostic 	if (rflag) {
7845601Sbostic 		if (!(fts = fts_open(++argv,
7943107Sbostic 		    oct ? FTS_NOSTAT|FTS_PHYSICAL : FTS_PHYSICAL, 0))) {
8039829Sbostic 			(void)fprintf(stderr, "chmod: %s.\n", strerror(errno));
8139829Sbostic 			exit(1);
8218473Smckusick 		}
8345639Sbostic 		while (p = fts_read(fts))
8445639Sbostic 			switch(p->fts_info) {
8545639Sbostic 			case FTS_D:
8645639Sbostic 				break;
87*47235Sbostic 			case FTS_DNR:
8845639Sbostic 			case FTS_ERR:
89*47235Sbostic 			case FTS_NS:
9045639Sbostic 				(void)fprintf(stderr, "chmod: %s: %s.\n",
9145639Sbostic 				    p->fts_path, strerror(errno));
9245639Sbostic 				exit(1);
9345639Sbostic 			default:
9445639Sbostic 				if (chmod(p->fts_accpath, oct ? omode :
9545639Sbostic 				    getmode(set, p->fts_statb.st_mode)) &&
9645639Sbostic 				    !fflag)
9742202Sbostic 					error(p->fts_path);
9845639Sbostic 				break;
9916242Slayer 			}
10039829Sbostic 		exit(retval);
10134043Sbostic 	}
10239829Sbostic 	if (oct) {
10339829Sbostic 		while (*++argv)
10439829Sbostic 			if (chmod(*argv, omode) && !fflag)
10539829Sbostic 				error(*argv);
10639829Sbostic 	} else
10739829Sbostic 		while (*++argv)
10840269Sbostic 			if ((lstat(*argv, &sb) ||
10940944Sbostic 			    chmod(*argv, getmode(set, sb.st_mode))) && !fflag)
11039829Sbostic 				error(*argv);
11139829Sbostic 	exit(retval);
11216242Slayer }
11316242Slayer 
11439829Sbostic error(name)
11539829Sbostic 	char *name;
11616242Slayer {
11739829Sbostic 	(void)fprintf(stderr, "chmod: %s: %s.\n", name, strerror(errno));
11839829Sbostic 	retval = 1;
11916242Slayer }
12016242Slayer 
12139829Sbostic usage()
12216242Slayer {
12347072Sbostic 	(void)fprintf(stderr, "chmod: chmod [-R] mode file ...\n");
12439829Sbostic 	exit(1);
12516242Slayer }
126