verify.c revision 112214
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.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)verify.c	8.1 (Berkeley) 6/6/93";
37#endif
38static const char rcsid[] =
39  "$FreeBSD: head/usr.sbin/mtree/verify.c 112214 2003-03-13 23:35:30Z robert $";
40#endif /* not lint */
41
42#include <sys/param.h>
43#include <sys/stat.h>
44#include <dirent.h>
45#include <err.h>
46#include <errno.h>
47#include <fts.h>
48#include <fnmatch.h>
49#include <stdio.h>
50#include <unistd.h>
51#include "mtree.h"
52#include "extern.h"
53
54extern int ftsoptions;
55extern int dflag, eflag, qflag, rflag, sflag, uflag;
56extern char fullpath[MAXPATHLEN];
57extern int lineno;
58
59static NODE *root;
60static char path[MAXPATHLEN];
61
62static void	miss(NODE *, char *);
63static int	vwalk(void);
64
65int
66verify()
67{
68	int rval;
69
70	root = spec();
71	rval = vwalk();
72	miss(root, path);
73	return (rval);
74}
75
76static int
77vwalk()
78{
79	register FTS *t;
80	register FTSENT *p;
81	register NODE *ep, *level;
82	int specdepth, rval;
83	char *argv[2];
84	char dot[] = ".";
85
86	argv[0] = dot;
87	argv[1] = NULL;
88	if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
89		err(1, "line %d: fts_open", lineno);
90	level = root;
91	specdepth = rval = 0;
92	while ((p = fts_read(t))) {
93		if (check_excludes(p->fts_name, p->fts_path)) {
94			fts_set(t, p, FTS_SKIP);
95			continue;
96		}
97		switch(p->fts_info) {
98		case FTS_D:
99		case FTS_SL:
100			break;
101		case FTS_DP:
102			if (specdepth > p->fts_level) {
103				for (level = level->parent; level->prev;
104				      level = level->prev);
105				--specdepth;
106			}
107			continue;
108		case FTS_DNR:
109		case FTS_ERR:
110		case FTS_NS:
111			warnx("%s: %s", RP(p), strerror(p->fts_errno));
112			continue;
113		default:
114			if (dflag)
115				continue;
116		}
117
118		if (specdepth != p->fts_level)
119			goto extra;
120		for (ep = level; ep; ep = ep->next)
121			if ((ep->flags & F_MAGIC &&
122			    !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
123			    !strcmp(ep->name, p->fts_name)) {
124				ep->flags |= F_VISIT;
125				if ((ep->flags & F_NOCHANGE) == 0 &&
126				    compare(ep->name, ep, p))
127					rval = MISMATCHEXIT;
128				if (ep->flags & F_IGN)
129					(void)fts_set(t, p, FTS_SKIP);
130				else if (ep->child && ep->type == F_DIR &&
131				    p->fts_info == FTS_D) {
132					level = ep->child;
133					++specdepth;
134				}
135				break;
136			}
137
138		if (ep)
139			continue;
140extra:
141		if (!eflag) {
142			(void)printf("%s extra", RP(p));
143			if (rflag) {
144				if ((S_ISDIR(p->fts_statp->st_mode)
145				    ? rmdir : unlink)(p->fts_accpath)) {
146					(void)printf(", not removed: %s",
147					    strerror(errno));
148				} else
149					(void)printf(", removed");
150			}
151			(void)putchar('\n');
152		}
153		(void)fts_set(t, p, FTS_SKIP);
154	}
155	(void)fts_close(t);
156	if (sflag)
157		warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
158	return (rval);
159}
160
161static void
162miss(p, tail)
163	register NODE *p;
164	register char *tail;
165{
166	register int create;
167	register char *tp;
168	const char *type;
169
170	for (; p; p = p->next) {
171		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
172			continue;
173		(void)strcpy(tail, p->name);
174		if (!(p->flags & F_VISIT)) {
175			/* Don't print missing message if file exists as a
176			   symbolic link and the -q flag is set. */
177			struct stat statbuf;
178
179			if (qflag && stat(path, &statbuf) == 0)
180				p->flags |= F_VISIT;
181			else
182				(void)printf("%s missing", path);
183		}
184		if (p->type != F_DIR && p->type != F_LINK) {
185			putchar('\n');
186			continue;
187		}
188
189		create = 0;
190		if (p->type == F_LINK)
191			type = "symlink";
192		else
193			type = "directory";
194		if (!(p->flags & F_VISIT) && uflag) {
195			if (!(p->flags & (F_UID | F_UNAME)))
196				(void)printf(" (%s not created: user not specified)", type);
197			else if (!(p->flags & (F_GID | F_GNAME)))
198				(void)printf(" (%s not created: group not specified)", type);
199			else if (p->type == F_LINK) {
200				if (symlink(p->slink, path))
201					(void)printf(" (symlink not created: %s)\n",
202					    strerror(errno));
203				else
204					(void)printf(" (created)\n");
205				if (lchown(path, p->st_uid, p->st_gid))
206					(void)printf("%s: user/group not modified: %s\n",
207					    path, strerror(errno));
208				continue;
209			} else if (!(p->flags & F_MODE))
210			    (void)printf(" (directory not created: mode not specified)");
211			else if (mkdir(path, S_IRWXU))
212				(void)printf(" (directory not created: %s)",
213				    strerror(errno));
214			else {
215				create = 1;
216				(void)printf(" (created)");
217			}
218		}
219		if (!(p->flags & F_VISIT))
220			(void)putchar('\n');
221
222		for (tp = tail; *tp; ++tp);
223		*tp = '/';
224		miss(p->child, tp + 1);
225		*tp = '\0';
226
227		if (!create)
228			continue;
229		if (chown(path, p->st_uid, p->st_gid)) {
230			(void)printf("%s: user/group/mode not modified: %s\n",
231			    path, strerror(errno));
232			(void)printf("%s: warning: file mode %snot set\n", path,
233			    (p->flags & F_FLAGS) ? "and file flags " : "");
234			continue;
235		}
236		if (chmod(path, p->st_mode))
237			(void)printf("%s: permissions not set: %s\n",
238			    path, strerror(errno));
239		if ((p->flags & F_FLAGS) && p->st_flags &&
240		    chflags(path, p->st_flags))
241			(void)printf("%s: file flags not set: %s\n",
242			    path, strerror(errno));
243	}
244}
245