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. Neither the name of the University nor the names of its contributors
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
30#if 0
31#ifndef lint
32static char sccsid[] = "@(#)verify.c	8.1 (Berkeley) 6/6/93";
33#endif /* not lint */
34#endif
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include <sys/param.h>
39#include <sys/stat.h>
40#include <dirent.h>
41#include <err.h>
42#include <errno.h>
43#include <fts.h>
44#include <fnmatch.h>
45#include <stdio.h>
46#include <unistd.h>
47#include "mtree.h"
48#include "extern.h"
49
50static NODE *root;
51static char path[MAXPATHLEN];
52
53static void	miss(NODE *, char *);
54static int	vwalk(void);
55
56int
57mtree_verifyspec(FILE *fi)
58{
59	int rval;
60
61	root = mtree_readspec(fi);
62	rval = vwalk();
63	miss(root, path);
64	return (rval);
65}
66
67static int
68nsort(const FTSENT * const *a, const FTSENT * const *b)
69{
70	return (strcmp((*a)->fts_name, (*b)->fts_name));
71}
72
73static int
74vwalk(void)
75{
76	FTS *t;
77	FTSENT *p;
78	NODE *ep, *level;
79	int specdepth, rval;
80	char *argv[2];
81	char dot[] = ".";
82
83	argv[0] = dot;
84	argv[1] = NULL;
85	if ((t = fts_open(argv, ftsoptions, nsort)) == NULL)
86		err(1, "line %d: fts_open", lineno);
87	level = root;
88	specdepth = rval = 0;
89	while ((p = fts_read(t))) {
90		if (check_excludes(p->fts_name, p->fts_path)) {
91			fts_set(t, p, FTS_SKIP);
92			continue;
93		}
94		switch(p->fts_info) {
95		case FTS_D:
96		case FTS_SL:
97			break;
98		case FTS_DP:
99			if (specdepth > p->fts_level) {
100				for (level = level->parent; level->prev;
101				      level = level->prev);
102				--specdepth;
103			}
104			continue;
105		case FTS_DNR:
106		case FTS_ERR:
107		case FTS_NS:
108			warnx("%s: %s", RP(p), strerror(p->fts_errno));
109			continue;
110		default:
111			if (dflag)
112				continue;
113		}
114
115		if (specdepth != p->fts_level)
116			goto extra;
117		for (ep = level; ep; ep = ep->next)
118			if ((ep->flags & F_MAGIC &&
119			    !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
120			    !strcmp(ep->name, p->fts_name)) {
121				ep->flags |= F_VISIT;
122				if ((ep->flags & F_NOCHANGE) == 0 &&
123				    compare(ep->name, ep, p))
124					rval = MISMATCHEXIT;
125				if (ep->flags & F_IGN)
126					(void)fts_set(t, p, FTS_SKIP);
127				else if (ep->child && ep->type == F_DIR &&
128				    p->fts_info == FTS_D) {
129					level = ep->child;
130					++specdepth;
131				}
132				break;
133			}
134
135		if (ep)
136			continue;
137extra:
138		if (!eflag) {
139			(void)printf("%s extra", RP(p));
140			if (rflag) {
141				if ((S_ISDIR(p->fts_statp->st_mode)
142				    ? rmdir : unlink)(p->fts_accpath)) {
143					(void)printf(", not removed: %s",
144					    strerror(errno));
145				} else
146					(void)printf(", removed");
147			}
148			(void)putchar('\n');
149		}
150		(void)fts_set(t, p, FTS_SKIP);
151	}
152	(void)fts_close(t);
153	if (sflag)
154		warnx("%s checksum: %lu", fullpath, (unsigned long)crc_total);
155	return (rval);
156}
157
158static void
159miss(NODE *p, char *tail)
160{
161	int create;
162	char *tp;
163	const char *type, *what;
164	int serr;
165
166	for (; p; p = p->next) {
167		if (p->flags & F_OPT && !(p->flags & F_VISIT))
168			continue;
169		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
170			continue;
171		(void)strcpy(tail, p->name);
172		if (!(p->flags & F_VISIT)) {
173			/* Don't print missing message if file exists as a
174			   symbolic link and the -q flag is set. */
175			struct stat statbuf;
176
177			if (qflag && stat(path, &statbuf) == 0)
178				p->flags |= F_VISIT;
179			else
180				(void)printf("%s missing", path);
181		}
182		if (p->type != F_DIR && p->type != F_LINK) {
183			putchar('\n');
184			continue;
185		}
186
187		create = 0;
188		if (p->type == F_LINK)
189			type = "symlink";
190		else
191			type = "directory";
192		if (!(p->flags & F_VISIT) && uflag) {
193			if (!(p->flags & (F_UID | F_UNAME)))
194				(void)printf(" (%s not created: user not specified)", type);
195			else if (!(p->flags & (F_GID | F_GNAME)))
196				(void)printf(" (%s not created: group not specified)", type);
197			else if (p->type == F_LINK) {
198				if (symlink(p->slink, path))
199					(void)printf(" (symlink not created: %s)\n",
200					    strerror(errno));
201				else
202					(void)printf(" (created)\n");
203				if (lchown(path, p->st_uid, p->st_gid) == -1) {
204					serr = errno;
205					if (p->st_uid == (uid_t)-1)
206						what = "group";
207					else if (lchown(path, (uid_t)-1,
208					    p->st_gid) == -1)
209						what = "user & group";
210					else {
211						what = "user";
212						errno = serr;
213					}
214					(void)printf("%s: %s not modified: %s"
215					    "\n", path, what, strerror(errno));
216				}
217				continue;
218			} else if (!(p->flags & F_MODE))
219			    (void)printf(" (directory not created: mode not specified)");
220			else if (mkdir(path, S_IRWXU))
221				(void)printf(" (directory not created: %s)",
222				    strerror(errno));
223			else {
224				create = 1;
225				(void)printf(" (created)");
226			}
227		}
228		if (!(p->flags & F_VISIT))
229			(void)putchar('\n');
230
231		for (tp = tail; *tp; ++tp);
232		*tp = '/';
233		miss(p->child, tp + 1);
234		*tp = '\0';
235
236		if (!create)
237			continue;
238		if (chown(path, p->st_uid, p->st_gid) == -1) {
239			serr = errno;
240			if (p->st_uid == (uid_t)-1)
241				what = "group";
242			else if (chown(path, (uid_t)-1, p->st_gid) == -1)
243				what = "user & group";
244			else {
245				what = "user";
246				errno = serr;
247			}
248			(void)printf("%s: %s not modified: %s\n",
249			    path, what, strerror(errno));
250		}
251		if (chmod(path, p->st_mode))
252			(void)printf("%s: permissions not set: %s\n",
253			    path, strerror(errno));
254		if ((p->flags & F_FLAGS) && p->st_flags &&
255		    chflags(path, p->st_flags))
256			(void)printf("%s: file flags not set: %s\n",
257			    path, strerror(errno));
258	}
259}
260