xref: /netbsd/usr.sbin/mtree/verify.c (revision 6550d01e)
1 /*	$NetBSD: verify.c,v 1.39 2006/10/07 15:35:51 elad Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993
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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #if HAVE_NBTOOL_CONFIG_H
33 #include "nbtool_config.h"
34 #endif
35 
36 #include <sys/cdefs.h>
37 #if defined(__RCSID) && !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)verify.c	8.1 (Berkeley) 6/6/93";
40 #else
41 __RCSID("$NetBSD: verify.c,v 1.39 2006/10/07 15:35:51 elad Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <sys/param.h>
46 #include <sys/stat.h>
47 
48 #if ! HAVE_NBTOOL_CONFIG_H
49 #include <dirent.h>
50 #endif
51 
52 #include <errno.h>
53 #include <fnmatch.h>
54 #include <stdio.h>
55 #include <string.h>
56 #include <unistd.h>
57 
58 #include "extern.h"
59 
60 static NODE *root;
61 static char path[MAXPATHLEN];
62 
63 static void	miss(NODE *, char *);
64 static int	vwalk(void);
65 
66 int
67 verify(void)
68 {
69 	int rval;
70 
71 	root = spec(stdin);
72 	rval = vwalk();
73 	miss(root, path);
74 	return (rval);
75 }
76 
77 static int
78 vwalk(void)
79 {
80 	FTS *t;
81 	FTSENT *p;
82 	NODE *ep, *level;
83 	int specdepth, rval;
84 	char *argv[2];
85 	char  dot[] = ".";
86 	argv[0] = dot;
87 	argv[1] = NULL;
88 
89 	if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
90 		mtree_err("fts_open: %s", strerror(errno));
91 	level = root;
92 	specdepth = rval = 0;
93 	while ((p = fts_read(t)) != NULL) {
94 		if (check_excludes(p->fts_name, p->fts_path)) {
95 			fts_set(t, p, FTS_SKIP);
96 			continue;
97 		}
98 		switch(p->fts_info) {
99 		case FTS_D:
100 		case FTS_SL:
101 			break;
102 		case FTS_DP:
103 			if (specdepth > p->fts_level) {
104 				for (level = level->parent; level->prev;
105 				    level = level->prev)
106 					continue;
107 				--specdepth;
108 			}
109 			continue;
110 		case FTS_DNR:
111 		case FTS_ERR:
112 		case FTS_NS:
113 			warnx("%s: %s", RP(p), strerror(p->fts_errno));
114 			continue;
115 		default:
116 			if (dflag)
117 				continue;
118 		}
119 
120 		if (specdepth != p->fts_level)
121 			goto extra;
122 		for (ep = level; ep; ep = ep->next)
123 			if ((ep->flags & F_MAGIC &&
124 			    !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
125 			    !strcmp(ep->name, p->fts_name)) {
126 				ep->flags |= F_VISIT;
127 				if (compare(ep, p))
128 					rval = MISMATCHEXIT;
129 				if (!(ep->flags & F_IGN) &&
130 				    ep->type == F_DIR &&
131 				    p->fts_info == FTS_D) {
132 					if (ep->child) {
133 						level = ep->child;
134 						++specdepth;
135 					}
136 				} else
137 					fts_set(t, p, FTS_SKIP);
138 				break;
139 			}
140 
141 		if (ep)
142 			continue;
143  extra:
144 		if (!eflag) {
145 			printf("extra: %s", RP(p));
146 			if (rflag) {
147 				if ((S_ISDIR(p->fts_statp->st_mode)
148 				    ? rmdir : unlink)(p->fts_accpath)) {
149 					printf(", not removed: %s",
150 					    strerror(errno));
151 				} else
152 					printf(", removed");
153 			}
154 			putchar('\n');
155 		}
156 		fts_set(t, p, FTS_SKIP);
157 	}
158 	fts_close(t);
159 	if (sflag)
160 		warnx("%s checksum: %u", fullpath, crc_total);
161 	return (rval);
162 }
163 
164 static void
165 miss(NODE *p, char *tail)
166 {
167 	int create;
168 	char *tp;
169 	const char *type;
170 	u_int32_t flags;
171 
172 	for (; p; p = p->next) {
173 		if (p->flags & F_OPT && !(p->flags & F_VISIT))
174 			continue;
175 		if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
176 			continue;
177 		strcpy(tail, p->name);
178 		if (!(p->flags & F_VISIT))
179 			printf("missing: %s", path);
180 		switch (p->type) {
181 		case F_BLOCK:
182 		case F_CHAR:
183 			type = "device";
184 			break;
185 		case F_DIR:
186 			type = "directory";
187 			break;
188 		case F_LINK:
189 			type = "symlink";
190 			break;
191 		default:
192 			putchar('\n');
193 			continue;
194 		}
195 
196 		create = 0;
197 		if (!(p->flags & F_VISIT) && uflag) {
198 			if (mtree_Wflag || p->type == F_LINK)
199 				goto createit;
200 			if (!(p->flags & (F_UID | F_UNAME)))
201 			    printf(
202 				" (%s not created: user not specified)", type);
203 			else if (!(p->flags & (F_GID | F_GNAME)))
204 			    printf(
205 				" (%s not created: group not specified)", type);
206 			else if (!(p->flags & F_MODE))
207 			    printf(
208 				" (%s not created: mode not specified)", type);
209 			else
210  createit:
211 			switch (p->type) {
212 			case F_BLOCK:
213 			case F_CHAR:
214 				if (mtree_Wflag)
215 					continue;
216 				if (!(p->flags & F_DEV))
217 					printf(
218 				    " (%s not created: device not specified)",
219 					    type);
220 				else if (mknod(path,
221 				    p->st_mode | nodetoino(p->type),
222 				    p->st_rdev) == -1)
223 					printf(" (%s not created: %s)\n",
224 					    type, strerror(errno));
225 				else
226 					create = 1;
227 				break;
228 			case F_LINK:
229 				if (!(p->flags & F_SLINK))
230 					printf(
231 				    " (%s not created: link not specified)\n",
232 					    type);
233 				else if (symlink(p->slink, path))
234 					printf(
235 					    " (%s not created: %s)\n",
236 					    type, strerror(errno));
237 				else
238 					create = 1;
239 				break;
240 			case F_DIR:
241 				if (mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO))
242 					printf(" (not created: %s)",
243 					    strerror(errno));
244 				else
245 					create = 1;
246 				break;
247 			default:
248 				mtree_err("can't create create %s",
249 				    nodetype(p->type));
250 			}
251 		}
252 		if (create)
253 			printf(" (created)");
254 		if (p->type == F_DIR) {
255 			if (!(p->flags & F_VISIT))
256 				putchar('\n');
257 			for (tp = tail; *tp; ++tp)
258 				continue;
259 			*tp = '/';
260 			miss(p->child, tp + 1);
261 			*tp = '\0';
262 		} else
263 			putchar('\n');
264 
265 		if (!create || mtree_Wflag)
266 			continue;
267 		if ((p->flags & (F_UID | F_UNAME)) &&
268 		    (p->flags & (F_GID | F_GNAME)) &&
269 		    (lchown(path, p->st_uid, p->st_gid))) {
270 			printf("%s: user/group/mode not modified: %s\n",
271 			    path, strerror(errno));
272 			printf("%s: warning: file mode %snot set\n", path,
273 			    (p->flags & F_FLAGS) ? "and file flags " : "");
274 			continue;
275 		}
276 		if (p->flags & F_MODE) {
277 			if (lchmod(path, p->st_mode))
278 				printf("%s: permissions not set: %s\n",
279 				    path, strerror(errno));
280 		}
281 #if HAVE_STRUCT_STAT_ST_FLAGS
282 		if ((p->flags & F_FLAGS) && p->st_flags) {
283 			if (iflag)
284 				flags = p->st_flags;
285 			else
286 				flags = p->st_flags & ~SP_FLGS;
287 			if (lchflags(path, flags))
288 				printf("%s: file flags not set: %s\n",
289 				    path, strerror(errno));
290 		}
291 #endif	/* HAVE_STRUCT_STAT_ST_FLAGS */
292 	}
293 }
294