[apple/file_cmds.git] / chflags / chflags.c

/*	$NetBSD: chflags.c,v 1.5 1997/10/18 12:39:54 lukem Exp $	*/

/*
 * Copyright (c) 1992, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
	The Regents of the University of California.  All rights reserved.\n");
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "from: @(#)chflags.c	8.5 (Berkeley) 4/1/94";
#else
__RCSID("$NetBSD: chflags.c,v 1.5 1997/10/18 12:39:54 lukem Exp $");
#endif
#endif /* not lint */

#include <sys/types.h>
#include <sys/stat.h>

#include <err.h>
#include <errno.h>
#include <fts.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int	main __P((int, char **));
u_long	string_to_flags __P((char **, u_long *, u_long *));
void	usage __P((void));

int
main(argc, argv)
	int argc;
	char *argv[];
{
	FTS *ftsp;
	FTSENT *p;
	u_long clear, set;
	long val;
	int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval;
	char *flags, *ep;

	Hflag = Lflag = Pflag = Rflag = 0;
	while ((ch = getopt(argc, argv, "HLPR")) != -1)
		switch (ch) {
		case 'H':
			Hflag = 1;
			Lflag = Pflag = 0;
			break;
		case 'L':
			Lflag = 1;
			Hflag = Pflag = 0;
			break;
		case 'P':
			Pflag = 1;
			Hflag = Lflag = 0;
			break;
		case 'R':
			Rflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argv += optind;
	argc -= optind;

	if (argc < 2)
		usage();

	fts_options = FTS_PHYSICAL;
	if (Rflag) {
		if (Hflag)
			fts_options |= FTS_COMFOLLOW;
		if (Lflag) {
			fts_options &= ~FTS_PHYSICAL;
			fts_options |= FTS_LOGICAL;
		}
	}

	flags = *argv;
	if (*flags >= '0' && *flags <= '7') {
		errno = 0;
		val = strtol(flags, &ep, 8);
		if (val < 0)
			errno = ERANGE;
		if (errno)
                        err(1, "invalid flags: %s", flags);
                if (*ep)
                        errx(1, "invalid flags: %s", flags);
		set = val;
                oct = 1;
	} else {
		if (string_to_flags(&flags, &set, &clear))
                        errx(1, "invalid flag: %s", flags);
		clear = ~clear;
		oct = 0;
	}

	if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL)
		err(1, "fts_open `%s'", argv[0]); 

	for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
		switch (p->fts_info) {
		case FTS_D:
			if (Rflag)		/* Change it at FTS_DP. */
				continue;
			fts_set(ftsp, p, FTS_SKIP);
			break;
		case FTS_DNR:			/* Warn, chflag, 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.
			 */
			continue;
		default:
			break;
		}
		if (oct) {
			if (!chflags(p->fts_accpath, set))
				continue;
		} else {
			p->fts_statp->st_flags |= set;
			p->fts_statp->st_flags &= clear;
			if (!chflags(p->fts_accpath, p->fts_statp->st_flags))
				continue;
		}
		warn("%s", p->fts_path);
		rval = 1;
	}
	if (errno)
		err(1, "fts_read");
	exit(rval);
}

void
usage()
{
	(void)fprintf(stderr,
	    "usage: chflags [-R [-H | -L | -P]] flags file ...\n");
	exit(1);
}
Commit	Line	Data
44a7a5ab A	1	/* $NetBSD: chflags.c,v 1.5 1997/10/18 12:39:54 lukem Exp $ */
	2
	3	/*
	4	* Copyright (c) 1992, 1993, 1994
	5	* The Regents of the University of California. All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. All advertising materials mentioning features or use of this software
	16	* must display the following acknowledgement:
	17	* This product includes software developed by the University of
	18	* California, Berkeley and its contributors.
	19	* 4. Neither the name of the University nor the names of its contributors
	20	* may be used to endorse or promote products derived from this software
	21	* without specific prior written permission.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	24	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	29	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	30	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	31	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	32	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	33	* SUCH DAMAGE.
	34	*/
	35
	36	#include <sys/cdefs.h>
	37	#ifndef lint
	38	__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
	39	The Regents of the University of California. All rights reserved.\n");
	40	#endif /* not lint */
	41
	42	#ifndef lint
	43	#if 0
	44	static char sccsid[] = "from: @(#)chflags.c 8.5 (Berkeley) 4/1/94";
	45	#else
	46	__RCSID("$NetBSD: chflags.c,v 1.5 1997/10/18 12:39:54 lukem Exp $");
	47	#endif
	48	#endif /* not lint */
	49
	50	#include <sys/types.h>
	51	#include <sys/stat.h>
	52
	53	#include <err.h>
	54	#include <errno.h>
	55	#include <fts.h>
	56	#include <stdio.h>
	57	#include <stdlib.h>
	58	#include <string.h>
	59	#include <unistd.h>
	60
	61	int main __P((int, char **));
	62	u_long string_to_flags __P((char *, u_long , u_long *));
	63	void usage __P((void));
	64
65	int
66	main(argc, argv)
67	int argc;
68	char *argv[];
69	{
70	FTS *ftsp;
71	FTSENT *p;
72	u_long clear, set;
73	long val;
74	int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval;
75	char flags, ep;
76
77	Hflag = Lflag = Pflag = Rflag = 0;
78	while ((ch = getopt(argc, argv, "HLPR")) != -1)
79	switch (ch) {
80	case 'H':
81	Hflag = 1;
82	Lflag = Pflag = 0;
83	break;
84	case 'L':
85	Lflag = 1;
86	Hflag = Pflag = 0;
87	break;
88	case 'P':
89	Pflag = 1;
90	Hflag = Lflag = 0;
91	break;
92	case 'R':
93	Rflag = 1;
94	break;
95	case '?':
96	default:
97	usage();
98	}
99	argv += optind;
100	argc -= optind;
101
102	if (argc < 2)
103	usage();
104
105	fts_options = FTS_PHYSICAL;
106	if (Rflag) {
107	if (Hflag)
108	fts_options \|= FTS_COMFOLLOW;
109	if (Lflag) {
110	fts_options &= ~FTS_PHYSICAL;
111	fts_options \|= FTS_LOGICAL;
112	}
113	}
114
115	flags = *argv;
116	if (flags >= '0' && flags <= '7') {
117	errno = 0;
118	val = strtol(flags, &ep, 8);
119	if (val < 0)
120	errno = ERANGE;
121	if (errno)
122	err(1, "invalid flags: %s", flags);
123	if (*ep)
124	errx(1, "invalid flags: %s", flags);
125	set = val;
126	oct = 1;
127	} else {
128	if (string_to_flags(&flags, &set, &clear))
129	errx(1, "invalid flag: %s", flags);
130	clear = ~clear;
131	oct = 0;
132	}
133
134	if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL)
135	err(1, "fts_open `%s'", argv[0]);
136
137	for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
138	switch (p->fts_info) {
139	case FTS_D:
140	if (Rflag) /* Change it at FTS_DP. */
141	continue;
142	fts_set(ftsp, p, FTS_SKIP);
143	break;
144	case FTS_DNR: /* Warn, chflag, continue. */
145	warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
146	rval = 1;
147	break;
148	case FTS_ERR: /* Warn, continue. */
149	case FTS_NS:
150	warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
151	rval = 1;
152	continue;
153	case FTS_SL: /* Ignore. */
154	case FTS_SLNONE:
155	/*
156	* The only symlinks that end up here are ones that
157	* don't point to anything and ones that we found
158	* doing a physical walk.
159	*/
160	continue;
161	default:
162	break;
163	}
164	if (oct) {
165	if (!chflags(p->fts_accpath, set))
166	continue;
167	} else {
168	p->fts_statp->st_flags \|= set;
169	p->fts_statp->st_flags &= clear;
170	if (!chflags(p->fts_accpath, p->fts_statp->st_flags))
171	continue;
172	}
173	warn("%s", p->fts_path);
174	rval = 1;
175	}
176	if (errno)
177	err(1, "fts_read");
178	exit(rval);
179	}
180
181	void
182	usage()
183	{
184	(void)fprintf(stderr,
185	"usage: chflags [-R [-H \| -L \| -P]] flags file ...\n");
186	exit(1);
187	}