[apple/file_cmds.git] / mtree / verify.c

/*-
 * Copyright (c) 1990, 1993
 *	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. 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.
 */

#if 0
#ifndef lint
static char sccsid[] = "@(#)verify.c	8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.sbin/mtree/verify.c,v 1.24 2005/08/11 15:43:55 brian Exp $");

#include <sys/param.h>
#include <sys/stat.h>
#include <dirent.h>
#include <err.h>
#include <errno.h>
#include <fts.h>
#include <fnmatch.h>
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include "mtree.h"
#include "extern.h"

static NODE *root;
static char path[MAXPATHLEN];

static void	miss(NODE *, char *);
static int	vwalk(void);

int
mtree_verifyspec(FILE *fi)
{
	int rval;

	root = mtree_readspec(fi);
	rval = vwalk();
	miss(root, path);
	return (rval);
}

static int
vwalk(void)
{
	FTS *t;
	FTSENT *p;
	NODE *ep, *level;
	int specdepth, rval;
	char *argv[2];
	char dot[] = ".";

	argv[0] = dot;
	argv[1] = NULL;
	if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
		err(1, "line %d: fts_open", lineno);
	level = root;
	specdepth = rval = 0;
	while ((p = fts_read(t))) {
		if (check_excludes(p->fts_name, p->fts_path)) {
			fts_set(t, p, FTS_SKIP);
			continue;
		}
		switch(p->fts_info) {
		case FTS_D:
		case FTS_SL:
			break;
		case FTS_DP:
			if (level == NULL) {
				errx(1 , "invalid root in vwalk");
			}
			if (specdepth > p->fts_level) {
				for (level = level->parent; level->prev;
				      level = level->prev);
				--specdepth;
			}
			continue;
		case FTS_DNR:
		case FTS_ERR:
		case FTS_NS:
			warnx("%s: %s", RP(p), strerror(p->fts_errno));
			continue;
		default:
			if (dflag)
				continue;
		}

		if (specdepth != p->fts_level)
			goto extra;
		for (ep = level; ep; ep = ep->next)
			if ((ep->flags & F_MAGIC &&
			    !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
			    !strcmp(ep->name, p->fts_name)) {
				ep->flags |= F_VISIT;
				if ((ep->flags & F_NOCHANGE) == 0 &&
				    compare(ep->name, ep, p))
					rval = MISMATCHEXIT;
				if (ep->flags & F_IGN)
					(void)fts_set(t, p, FTS_SKIP);
				else if (ep->child && ep->type == F_DIR &&
				    p->fts_info == FTS_D) {
					level = ep->child;
					++specdepth;
				}
				break;
			}

		if (ep)
			continue;
extra:
		if (!eflag) {
			(void)printf("%s extra", RP(p));
			if (rflag) {
				if ((S_ISDIR(p->fts_statp->st_mode)
				    ? rmdir : unlink)(p->fts_accpath)) {
					(void)printf(", not removed: %s",
					    strerror(errno));
				} else
					(void)printf(", removed");
			}
			(void)putchar('\n');
		}
		(void)fts_set(t, p, FTS_SKIP);
	}
	(void)fts_close(t);
	if (sflag)
		warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
	return (rval);
}

static void
miss(NODE *p, char *tail)
{
	int create;
	char *tp;
	const char *type, *what;
	int serr;

	for (; p; p = p->next) {
		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
			continue;
		(void)strcpy(tail, p->name);
		if (!(p->flags & F_VISIT)) {
			/* Don't print missing message if file exists as a
			   symbolic link and the -q flag is set. */
			struct stat statbuf;

			if (qflag && stat(path, &statbuf) == 0)
				p->flags |= F_VISIT;
			else
				(void)printf("%s missing", path);
		}
		if (p->type != F_DIR && p->type != F_LINK) {
			putchar('\n');
			continue;
		}

		create = 0;
		if (p->type == F_LINK)
			type = "symlink";
		else
			type = "directory";
		if (!(p->flags & F_VISIT) && uflag) {
			if (!(p->flags & (F_UID | F_UNAME)))
				(void)printf(" (%s not created: user not specified)", type);
			else if (!(p->flags & (F_GID | F_GNAME)))
				(void)printf(" (%s not created: group not specified)", type);
			else if (p->type == F_LINK) {
				if (symlink(p->slink, path))
					(void)printf(" (symlink not created: %s)\n",
					    strerror(errno));
				else
					(void)printf(" (created)\n");
				if (lchown(path, p->st_uid, p->st_gid) == -1) {
					serr = errno;
					if (p->st_uid == (uid_t)-1)
						what = "group";
					else if (lchown(path, (uid_t)-1,
					    p->st_gid) == -1)
						what = "user & group";
					else {
						what = "user";
						errno = serr;
					}
					(void)printf("%s: %s not modified: %s"
					    "\n", path, what, strerror(errno));
				}
				continue;
			} else if (!(p->flags & F_MODE))
			    (void)printf(" (directory not created: mode not specified)");
			else if (mkdir(path, S_IRWXU))
				(void)printf(" (directory not created: %s)",
				    strerror(errno));
			else {
				create = 1;
				(void)printf(" (created)");
			}
		}
		if (!(p->flags & F_VISIT))
			(void)putchar('\n');

		for (tp = tail; *tp; ++tp);
		*tp = '/';
		miss(p->child, tp + 1);
		*tp = '\0';

		if (!create)
			continue;
		if (chown(path, p->st_uid, p->st_gid) == -1) {
			serr = errno;
			if (p->st_uid == (uid_t)-1)
				what = "group";
			else if (chown(path, (uid_t)-1, p->st_gid) == -1)
				what = "user & group";
			else {
				what = "user";
				errno = serr;
			}
			(void)printf("%s: %s not modified: %s\n",
			    path, what, strerror(errno));
		}
		if (chmod(path, p->st_mode))
			(void)printf("%s: permissions not set: %s\n",
			    path, strerror(errno));
		if ((p->flags & F_FLAGS) && p->st_flags &&
		    chflags(path, (u_int)p->st_flags))
			(void)printf("%s: file flags not set: %s\n",
			    path, strerror(errno));
	}
}
Commit	Line	Data
44a7a5ab A	1	/*-
	2	* Copyright (c) 1990, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
864a4b6e	13	* 3. Neither the name of the University nor the names of its contributors
44a7a5ab A	14	* may be used to endorse or promote products derived from this software
	15	* without specific prior written permission.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	18	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	19	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	20	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	21	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	22	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	23	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	24	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	25	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	26	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	27	* SUCH DAMAGE.
	28	*/
	29
44a7a5ab	30	#if 0
864a4b6e	31	#ifndef lint
44a7a5ab	32	static char sccsid[] = "@(#)verify.c 8.1 (Berkeley) 6/6/93";
44a7a5ab	33	#endif /* not lint */
864a4b6e A	34	#endif
	35	#include <sys/cdefs.h>
	36	__FBSDID("$FreeBSD: src/usr.sbin/mtree/verify.c,v 1.24 2005/08/11 15:43:55 brian Exp $");
44a7a5ab A	37
	38	#include <sys/param.h>
	39	#include <sys/stat.h>
	40	#include <dirent.h>
440bd198 A	41	#include <err.h>
440bd198 A	42	#include <errno.h>
44a7a5ab A	43	#include <fts.h>
44a7a5ab A	44	#include <fnmatch.h>
44a7a5ab	45	#include <stdio.h>
864a4b6e	46	#include <stdint.h>
440bd198	47	#include <unistd.h>
44a7a5ab A	48	#include "mtree.h"
	49	#include "extern.h"
	50
44a7a5ab A	51	static NODE *root;
	52	static char path[MAXPATHLEN];
	53
864a4b6e A	54	static void miss(NODE , char );
864a4b6e A	55	static int vwalk(void);
44a7a5ab A	56
44a7a5ab A	57	int
864a4b6e	58	mtree_verifyspec(FILE *fi)
44a7a5ab A	59	{
	60	int rval;
	61
864a4b6e	62	root = mtree_readspec(fi);
44a7a5ab A	63	rval = vwalk();
	64	miss(root, path);
	65	return (rval);
	66	}
	67
	68	static int
864a4b6e	69	vwalk(void)
44a7a5ab	70	{
864a4b6e A	71	FTS *t;
	72	FTSENT *p;
	73	NODE ep, level;
440bd198	74	int specdepth, rval;
44a7a5ab	75	char *argv[2];
864a4b6e	76	char dot[] = ".";
44a7a5ab	77
864a4b6e	78	argv[0] = dot;
44a7a5ab A	79	argv[1] = NULL;
44a7a5ab A	80	if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
440bd198	81	err(1, "line %d: fts_open", lineno);
44a7a5ab	82	level = root;
440bd198 A	83	specdepth = rval = 0;
	84	while ((p = fts_read(t))) {
	85	if (check_excludes(p->fts_name, p->fts_path)) {
	86	fts_set(t, p, FTS_SKIP);
	87	continue;
	88	}
44a7a5ab A	89	switch(p->fts_info) {
44a7a5ab A	90	case FTS_D:
440bd198	91	case FTS_SL:
44a7a5ab A	92	break;
44a7a5ab A	93	case FTS_DP:
00337e45 A	94	if (level == NULL) {
	95	errx(1 , "invalid root in vwalk");
	96	}
440bd198	97	if (specdepth > p->fts_level) {
44a7a5ab	98	for (level = level->parent; level->prev;
440bd198	99	level = level->prev);
44a7a5ab A	100	--specdepth;
	101	}
	102	continue;
	103	case FTS_DNR:
	104	case FTS_ERR:
	105	case FTS_NS:
440bd198	106	warnx("%s: %s", RP(p), strerror(p->fts_errno));
44a7a5ab A	107	continue;
	108	default:
	109	if (dflag)
	110	continue;
	111	}
	112
440bd198 A	113	if (specdepth != p->fts_level)
440bd198 A	114	goto extra;
44a7a5ab A	115	for (ep = level; ep; ep = ep->next)
	116	if ((ep->flags & F_MAGIC &&
	117	!fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) \|\|
	118	!strcmp(ep->name, p->fts_name)) {
	119	ep->flags \|= F_VISIT;
440bd198 A	120	if ((ep->flags & F_NOCHANGE) == 0 &&
440bd198 A	121	compare(ep->name, ep, p))
44a7a5ab	122	rval = MISMATCHEXIT;
440bd198 A	123	if (ep->flags & F_IGN)
	124	(void)fts_set(t, p, FTS_SKIP);
	125	else if (ep->child && ep->type == F_DIR &&
44a7a5ab A	126	p->fts_info == FTS_D) {
	127	level = ep->child;
	128	++specdepth;
440bd198	129	}
44a7a5ab A	130	break;
	131	}
	132
	133	if (ep)
	134	continue;
440bd198	135	extra:
44a7a5ab	136	if (!eflag) {
440bd198	137	(void)printf("%s extra", RP(p));
44a7a5ab	138	if (rflag) {
440bd198 A	139	if ((S_ISDIR(p->fts_statp->st_mode)
440bd198 A	140	? rmdir : unlink)(p->fts_accpath)) {
44a7a5ab A	141	(void)printf(", not removed: %s",
	142	strerror(errno));
	143	} else
	144	(void)printf(", removed");
	145	}
	146	(void)putchar('\n');
	147	}
	148	(void)fts_set(t, p, FTS_SKIP);
	149	}
	150	(void)fts_close(t);
	151	if (sflag)
864a4b6e	152	warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
44a7a5ab A	153	return (rval);
	154	}
	155
	156	static void
864a4b6e	157	miss(NODE p, char tail)
44a7a5ab	158	{
864a4b6e A	159	int create;
	160	char *tp;
	161	const char type, what;
	162	int serr;
44a7a5ab A	163
44a7a5ab A	164	for (; p; p = p->next) {
44a7a5ab A	165	if (p->type != F_DIR && (dflag \|\| p->flags & F_VISIT))
	166	continue;
	167	(void)strcpy(tail, p->name);
440bd198 A	168	if (!(p->flags & F_VISIT)) {
	169	/* Don't print missing message if file exists as a
	170	symbolic link and the -q flag is set. */
	171	struct stat statbuf;
864a4b6e	172
440bd198 A	173	if (qflag && stat(path, &statbuf) == 0)
	174	p->flags \|= F_VISIT;
	175	else
	176	(void)printf("%s missing", path);
	177	}
	178	if (p->type != F_DIR && p->type != F_LINK) {
44a7a5ab A	179	putchar('\n');
	180	continue;
	181	}
	182
	183	create = 0;
440bd198 A	184	if (p->type == F_LINK)
	185	type = "symlink";
	186	else
	187	type = "directory";
44a7a5ab A	188	if (!(p->flags & F_VISIT) && uflag) {
44a7a5ab A	189	if (!(p->flags & (F_UID \| F_UNAME)))
440bd198	190	(void)printf(" (%s not created: user not specified)", type);
44a7a5ab	191	else if (!(p->flags & (F_GID \| F_GNAME)))
440bd198 A	192	(void)printf(" (%s not created: group not specified)", type);
	193	else if (p->type == F_LINK) {
	194	if (symlink(p->slink, path))
	195	(void)printf(" (symlink not created: %s)\n",
	196	strerror(errno));
	197	else
	198	(void)printf(" (created)\n");
864a4b6e A	199	if (lchown(path, p->st_uid, p->st_gid) == -1) {
	200	serr = errno;
	201	if (p->st_uid == (uid_t)-1)
	202	what = "group";
	203	else if (lchown(path, (uid_t)-1,
	204	p->st_gid) == -1)
	205	what = "user & group";
	206	else {
	207	what = "user";
	208	errno = serr;
	209	}
	210	(void)printf("%s: %s not modified: %s"
	211	"\n", path, what, strerror(errno));
	212	}
440bd198 A	213	continue;
	214	} else if (!(p->flags & F_MODE))
	215	(void)printf(" (directory not created: mode not specified)");
44a7a5ab	216	else if (mkdir(path, S_IRWXU))
440bd198	217	(void)printf(" (directory not created: %s)",
44a7a5ab A	218	strerror(errno));
	219	else {
	220	create = 1;
	221	(void)printf(" (created)");
	222	}
	223	}
	224	if (!(p->flags & F_VISIT))
	225	(void)putchar('\n');
	226
	227	for (tp = tail; *tp; ++tp);
	228	*tp = '/';
	229	miss(p->child, tp + 1);
	230	*tp = '\0';
	231
	232	if (!create)
	233	continue;
864a4b6e A	234	if (chown(path, p->st_uid, p->st_gid) == -1) {
	235	serr = errno;
	236	if (p->st_uid == (uid_t)-1)
	237	what = "group";
	238	else if (chown(path, (uid_t)-1, p->st_gid) == -1)
	239	what = "user & group";
	240	else {
	241	what = "user";
	242	errno = serr;
	243	}
	244	(void)printf("%s: %s not modified: %s\n",
	245	path, what, strerror(errno));
44a7a5ab A	246	}
	247	if (chmod(path, p->st_mode))
	248	(void)printf("%s: permissions not set: %s\n",
	249	path, strerror(errno));
440bd198	250	if ((p->flags & F_FLAGS) && p->st_flags &&
4d0bb651	251	chflags(path, (u_int)p->st_flags))
440bd198 A	252	(void)printf("%s: file flags not set: %s\n",
440bd198 A	253	path, strerror(errno));
44a7a5ab A	254	}
44a7a5ab A	255	}