Add PCICAP_{ID,NEXTPTR} to avoid using magic number
[dragonfly.git] / usr.sbin / mtree / verify.c
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  * @(#)verify.c 8.1 (Berkeley) 6/6/93
34  * $FreeBSD: src/usr.sbin/mtree/verify.c,v 1.10.2.2 2001/01/12 19:17:18 phk Exp $
35  * $DragonFly: src/usr.sbin/mtree/verify.c,v 1.5 2004/03/15 16:24:22 dillon Exp $
36  */
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
50 extern long int crc_total;
51 extern int ftsoptions;
52 extern int dflag, eflag, qflag, rflag, sflag, uflag;
53 extern char fullpath[MAXPATHLEN];
54 extern int lineno;
55
56 static NODE *root;
57 static char path[MAXPATHLEN];
58
59 static void     miss(NODE *, char *);
60 static int      vwalk(void);
61
62 int
63 verify(void)
64 {
65         int rval;
66
67         root = spec();
68         rval = vwalk();
69         miss(root, path);
70         return (rval);
71 }
72
73 static int
74 vwalk(void)
75 {
76         FTS *t;
77         FTSENT *p;
78         NODE *ep, *level;
79         int specdepth, rval;
80         char *argv[2];
81
82         argv[0] = ".";
83         argv[1] = NULL;
84         if ((t = fts_open(argv, ftsoptions, NULL)) == NULL)
85                 err(1, "line %d: fts_open", lineno);
86         level = root;
87         specdepth = rval = 0;
88         while ((p = fts_read(t))) {
89                 if (check_excludes(p->fts_name, p->fts_path)) {
90                         fts_set(t, p, FTS_SKIP);
91                         continue;
92                 }
93                 switch(p->fts_info) {
94                 case FTS_D:
95                 case FTS_SL:
96                         break;
97                 case FTS_DP:
98                         if (specdepth > p->fts_level) {
99                                 for (level = level->parent; level->prev;
100                                       level = level->prev);
101                                 --specdepth;
102                         }
103                         continue;
104                 case FTS_DNR:
105                 case FTS_ERR:
106                 case FTS_NS:
107                         warnx("%s: %s", RP(p), strerror(p->fts_errno));
108                         continue;
109                 default:
110                         if (dflag)
111                                 continue;
112                 }
113
114                 if (specdepth != p->fts_level)
115                         goto extra;
116                 for (ep = level; ep; ep = ep->next)
117                         if ((ep->flags & F_MAGIC &&
118                             !fnmatch(ep->name, p->fts_name, FNM_PATHNAME)) ||
119                             !strcmp(ep->name, p->fts_name)) {
120                                 ep->flags |= F_VISIT;
121                                 if ((ep->flags & F_NOCHANGE) == 0 &&
122                                     compare(ep->name, ep, p))
123                                         rval = MISMATCHEXIT;
124                                 if (ep->flags & F_IGN)
125                                         fts_set(t, p, FTS_SKIP);
126                                 else if (ep->child && ep->type == F_DIR &&
127                                     p->fts_info == FTS_D) {
128                                         level = ep->child;
129                                         ++specdepth;
130                                 }
131                                 break;
132                         }
133
134                 if (ep)
135                         continue;
136 extra:
137                 if (!eflag) {
138                         printf("%s extra", RP(p));
139                         if (rflag) {
140                                 if ((S_ISDIR(p->fts_statp->st_mode)
141                                     ? rmdir : unlink)(p->fts_accpath)) {
142                                         printf(", not removed: %s",
143                                             strerror(errno));
144                                 } else
145                                         printf(", removed");
146                         }
147                         putchar('\n');
148                 }
149                 fts_set(t, p, FTS_SKIP);
150         }
151         fts_close(t);
152         if (sflag)
153                 warnx("%s checksum: %lu", fullpath, crc_total);
154         return (rval);
155 }
156
157 static void
158 miss(NODE *p, char *tail)
159 {
160         int create;
161         char *tp;
162         const char *type;
163
164         for (; p; p = p->next) {
165                 if (p->type != F_DIR && (dflag || p->flags & F_VISIT))
166                         continue;
167                 strcpy(tail, p->name);
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;
172  
173                         if (qflag && stat(path, &statbuf) == 0)
174                                 p->flags |= F_VISIT;
175                         else
176                                 printf("%s missing", path);
177                 }
178                 if (p->type != F_DIR && p->type != F_LINK) {
179                         putchar('\n');
180                         continue;
181                 }
182
183                 create = 0;
184                 if (p->type == F_LINK)
185                         type = "symlink";
186                 else
187                         type = "directory";
188                 if (!(p->flags & F_VISIT) && uflag) {
189                         if (!(p->flags & (F_UID | F_UNAME)))
190                                 printf(" (%s not created: user not specified)", type);
191                         else if (!(p->flags & (F_GID | F_GNAME)))
192                                 printf(" (%s not created: group not specified)", type);
193                         else if (p->type == F_LINK) {
194                                 if (symlink(p->slink, path))
195                                         printf(" (symlink not created: %s)\n",
196                                             strerror(errno));
197                                 else
198                                         printf(" (created)\n");
199                                 if (lchown(path, p->st_uid, p->st_gid))
200                                         printf("%s: user/group not modified: %s\n",
201                                             path, strerror(errno));
202                                 continue;
203                         } else if (!(p->flags & F_MODE))
204                             printf(" (directory not created: mode not specified)");
205                         else if (mkdir(path, S_IRWXU))
206                                 printf(" (directory not created: %s)",
207                                     strerror(errno));
208                         else {
209                                 create = 1;
210                                 printf(" (created)");
211                         }
212                 }
213                 if (!(p->flags & F_VISIT))
214                         putchar('\n');
215
216                 for (tp = tail; *tp; ++tp);
217                 *tp = '/';
218                 miss(p->child, tp + 1);
219                 *tp = '\0';
220
221                 if (!create)
222                         continue;
223                 if (chown(path, p->st_uid, p->st_gid)) {
224                         printf("%s: user/group/mode not modified: %s\n",
225                             path, strerror(errno));
226                         printf("%s: warning: file mode %snot set\n", path,
227                             (p->flags & F_FLAGS) ? "and file flags " : "");
228                         continue;
229                 }
230                 if (chmod(path, p->st_mode))
231                         printf("%s: permissions not set: %s\n",
232                             path, strerror(errno));
233                 if ((p->flags & F_FLAGS) && p->st_flags &&
234                     chflags(path, p->st_flags))
235                         printf("%s: file flags not set: %s\n",
236                             path, strerror(errno));
237         }
238 }