fsdbutil.c revision 1.14 1 /* $NetBSD: fsdbutil.c,v 1.14 2004/01/03 19:57:42 dbj Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by John T. Kohl.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 #ifndef lint
41 __RCSID("$NetBSD: fsdbutil.c,v 1.14 2004/01/03 19:57:42 dbj Exp $");
42 #endif /* not lint */
43
44 #include <sys/types.h>
45 #include <sys/stat.h>
46 #include <sys/param.h>
47 #include <sys/time.h>
48 #include <sys/mount.h>
49 #include <ctype.h>
50 #include <fcntl.h>
51 #include <grp.h>
52 #include <pwd.h>
53 #include <stdio.h>
54 #include <stdlib.h>
55 #include <string.h>
56 #include <time.h>
57 #include <unistd.h>
58 #include <err.h>
59
60 #include <ufs/ufs/dinode.h>
61 #include <ufs/ffs/fs.h>
62
63 #include "fsdb.h"
64 #include "fsck.h"
65
66 char **
67 crack(line, argc)
68 char *line;
69 int *argc;
70 {
71 static char *argv[8];
72 int i;
73 char *p, *val;
74 for (p = line, i = 0; p != NULL && i < 8; i++) {
75 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
76 /**/ ;
77 if (val)
78 argv[i] = val;
79 else
80 break;
81 }
82 *argc = i;
83 return argv;
84 }
85
86 int
87 argcount(cmdp, argc, argv)
88 struct cmdtable *cmdp;
89 int argc;
90 char *argv[];
91 {
92 if (cmdp->minargc == cmdp->maxargc)
93 warnx("command `%s' takes %u arguments", cmdp->cmd,
94 cmdp->minargc - 1);
95 else
96 warnx("command `%s' takes from %u to %u arguments",
97 cmdp->cmd, cmdp->minargc - 1, cmdp->maxargc - 1);
98
99 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
100 return 1;
101 }
102
103 void
104 printstat(cp, inum, dp)
105 const char *cp;
106 ino_t inum;
107 union dinode *dp;
108 {
109 struct group *grp;
110 struct passwd *pw;
111 time_t t;
112 char *p;
113 uint64_t size, blocks;
114 uint16_t mode;
115 uint32_t rdev;
116 uint32_t uid, gid;
117
118 size = iswap64(DIP(dp, size));
119 blocks = is_ufs2 ? iswap64(DIP(dp, blocks)) : iswap32(DIP(dp, blocks));
120 mode = iswap16(DIP(dp, mode));
121 rdev = iswap32(DIP(dp, rdev));
122
123 printf("%s: ", cp);
124 switch (mode & IFMT) {
125 case IFDIR:
126 puts("directory");
127 break;
128 case IFREG:
129 puts("regular file");
130 break;
131 case IFBLK:
132 printf("block special (%d,%d)", major(rdev), minor(rdev));
133 break;
134 case IFCHR:
135 printf("character special (%d,%d)", major(rdev), minor(rdev));
136 break;
137 case IFLNK:
138 fputs("symlink", stdout);
139 if (size > 0 && size < sblock->fs_maxsymlinklen &&
140 DIP(dp, blocks) == 0) {
141 p = is_ufs2 ? (char *)dp->dp2.di_db :
142 (char *)dp->dp1.di_db;
143 printf(" to `%.*s'\n", (int)size, p);
144 } else
145 putchar('\n');
146 break;
147 case IFSOCK:
148 puts("socket");
149 break;
150 case IFIFO:
151 puts("fifo");
152 break;
153 }
154 printf("I=%u MODE=%o SIZE=%llu", inum, mode,
155 (unsigned long long)size);
156 t = is_ufs2 ? iswap64(dp->dp2.di_mtime) : iswap32(dp->dp1.di_mtime);
157 p = ctime(&t);
158 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
159 iswap32(DIP(dp, mtimensec)));
160 t = is_ufs2 ? iswap64(dp->dp2.di_ctime) : iswap32(dp->dp1.di_ctime);
161 p = ctime(&t);
162 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
163 iswap32(DIP(dp, ctimensec)));
164 t = is_ufs2 ? iswap64(dp->dp2.di_atime) : iswap32(dp->dp1.di_atime);
165 p = ctime(&t);
166 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
167 iswap32(DIP(dp,atimensec)));
168
169 if (!is_ufs2 && sblock->fs_old_inodefmt < FS_44INODEFMT)
170 uid = iswap16(dp->dp1.di_ouid);
171 else
172 uid = iswap32(DIP(dp, uid));
173 if ((pw = getpwuid(uid)) != NULL)
174 printf("OWNER=%s ", pw->pw_name);
175 else
176 printf("OWNUID=%u ", uid);
177 if (!is_ufs2 && sblock->fs_old_inodefmt < FS_44INODEFMT)
178 gid = iswap16(dp->dp1.di_ogid);
179 else
180 gid = iswap32(DIP(dp, gid));
181 if ((grp = getgrgid(gid)) != NULL)
182 printf("GRP=%s ", grp->gr_name);
183 else
184 printf("GID=%u ", gid);
185
186 printf("LINKCNT=%hd FLAGS=0x%#x BLKCNT=0x%llx GEN=0x%x\n",
187 iswap16(DIP(dp, nlink)),
188 iswap32(DIP(dp, flags)), (unsigned long long)blocks,
189 iswap32(DIP(dp, gen)));
190 }
191
192 int
193 checkactive()
194 {
195 if (!curinode) {
196 warnx("no current inode");
197 return 0;
198 }
199 return 1;
200 }
201
202 int
203 checkactivedir()
204 {
205 if (!curinode) {
206 warnx("no current inode");
207 return 0;
208 }
209 if ((iswap16(DIP(curinode, mode)) & IFMT) != IFDIR) {
210 warnx("inode %d not a directory", curinum);
211 return 0;
212 }
213 return 1;
214 }
215
216 int
217 printactive()
218 {
219 uint16_t mode;
220
221 if (!checkactive())
222 return 1;
223 mode = iswap16(DIP(curinode, mode));
224 switch (mode & IFMT) {
225 case IFDIR:
226 case IFREG:
227 case IFBLK:
228 case IFCHR:
229 case IFLNK:
230 case IFSOCK:
231 case IFIFO:
232 printstat("current inode", curinum, curinode);
233 break;
234 case 0:
235 printf("current inode %d: unallocated inode\n", curinum);
236 break;
237 default:
238 printf("current inode %d: screwy itype 0%o (mode 0%o)?\n",
239 curinum, mode & IFMT, mode);
240 break;
241 }
242 return 0;
243 }
244