1 /* $NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 1995 John T. Kohl
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef lint
34 static const char rcsid[] =
35 "$FreeBSD: stable/12/sbin/fsdb/fsdbutil.c 332267 2018-04-08 07:06:12Z mckusick $";
36 #endif /* not lint */
37
38 #include <sys/param.h>
39 #include <ctype.h>
40 #include <err.h>
41 #include <grp.h>
42 #include <pwd.h>
43 #include <stdint.h>
44 #include <string.h>
45 #include <time.h>
46 #include <timeconv.h>
47
48 #include <ufs/ufs/dinode.h>
49 #include <ufs/ffs/fs.h>
50
51 #include <sys/ioctl.h>
52
53 #include "fsdb.h"
54 #include "fsck.h"
55
56 void prtblknos(struct uufsd *disk, union dinode *dp);
57
58 char **
crack(char * line,int * argc)59 crack(char *line, int *argc)
60 {
61 static char *argv[8];
62 int i;
63 char *p, *val;
64 for (p = line, i = 0; p != NULL && i < 8; i++) {
65 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
66 /**/;
67 if (val)
68 argv[i] = val;
69 else
70 break;
71 }
72 *argc = i;
73 return argv;
74 }
75
76 char **
recrack(char * line,int * argc,int argc_max)77 recrack(char *line, int *argc, int argc_max)
78 {
79 static char *argv[8];
80 int i;
81 char *p, *val;
82 for (p = line, i = 0; p != NULL && i < 8 && i < argc_max - 1; i++) {
83 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
84 /**/;
85 if (val)
86 argv[i] = val;
87 else
88 break;
89 }
90 argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1;
91 argv[i][strcspn(argv[i], "\n")] = '\0';
92 *argc = i + 1;
93 return argv;
94 }
95
96 int
argcount(struct cmdtable * cmdp,int argc,char * argv[])97 argcount(struct cmdtable *cmdp, int argc, char *argv[])
98 {
99 if (cmdp->minargc == cmdp->maxargc)
100 warnx("command `%s' takes %u arguments, got %u", cmdp->cmd,
101 cmdp->minargc-1, argc-1);
102 else
103 warnx("command `%s' takes from %u to %u arguments",
104 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
105
106 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
107 return 1;
108 }
109
110 void
printstat(const char * cp,ino_t inum,union dinode * dp)111 printstat(const char *cp, ino_t inum, union dinode *dp)
112 {
113 struct group *grp;
114 struct passwd *pw;
115 ufs2_daddr_t blocks;
116 int64_t gen;
117 char *p;
118 time_t t;
119
120 printf("%s: ", cp);
121 switch (DIP(dp, di_mode) & IFMT) {
122 case IFDIR:
123 puts("directory");
124 break;
125 case IFREG:
126 puts("regular file");
127 break;
128 case IFBLK:
129 printf("block special (%#jx)", (uintmax_t)DIP(dp, di_rdev));
130 break;
131 case IFCHR:
132 printf("character special (%#jx)", DIP(dp, di_rdev));
133 break;
134 case IFLNK:
135 fputs("symlink",stdout);
136 if (DIP(dp, di_size) > 0 &&
137 DIP(dp, di_size) < sblock.fs_maxsymlinklen &&
138 DIP(dp, di_blocks) == 0) {
139 if (sblock.fs_magic == FS_UFS1_MAGIC)
140 p = (caddr_t)dp->dp1.di_db;
141 else
142 p = (caddr_t)dp->dp2.di_db;
143 printf(" to `%.*s'\n", (int) DIP(dp, di_size), p);
144 } else {
145 putchar('\n');
146 }
147 break;
148 case IFSOCK:
149 puts("socket");
150 break;
151 case IFIFO:
152 puts("fifo");
153 break;
154 }
155 printf("I=%ju MODE=%o SIZE=%ju", (uintmax_t)inum, DIP(dp, di_mode),
156 (uintmax_t)DIP(dp, di_size));
157 if (sblock.fs_magic != FS_UFS1_MAGIC) {
158 t = _time64_to_time(dp->dp2.di_birthtime);
159 p = ctime(&t);
160 printf("\n\tBTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
161 dp->dp2.di_birthnsec);
162 }
163 if (sblock.fs_magic == FS_UFS1_MAGIC)
164 t = _time32_to_time(dp->dp1.di_mtime);
165 else
166 t = _time64_to_time(dp->dp2.di_mtime);
167 p = ctime(&t);
168 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
169 DIP(dp, di_mtimensec));
170 if (sblock.fs_magic == FS_UFS1_MAGIC)
171 t = _time32_to_time(dp->dp1.di_ctime);
172 else
173 t = _time64_to_time(dp->dp2.di_ctime);
174 p = ctime(&t);
175 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
176 DIP(dp, di_ctimensec));
177 if (sblock.fs_magic == FS_UFS1_MAGIC)
178 t = _time32_to_time(dp->dp1.di_atime);
179 else
180 t = _time64_to_time(dp->dp2.di_atime);
181 p = ctime(&t);
182 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
183 DIP(dp, di_atimensec));
184
185 if ((pw = getpwuid(DIP(dp, di_uid))))
186 printf("OWNER=%s ", pw->pw_name);
187 else
188 printf("OWNUID=%u ", DIP(dp, di_uid));
189 if ((grp = getgrgid(DIP(dp, di_gid))))
190 printf("GRP=%s ", grp->gr_name);
191 else
192 printf("GID=%u ", DIP(dp, di_gid));
193
194 blocks = DIP(dp, di_blocks);
195 gen = DIP(dp, di_gen);
196 printf("LINKCNT=%d FLAGS=%#x BLKCNT=%jx GEN=%jx\n", DIP(dp, di_nlink),
197 DIP(dp, di_flags), (intmax_t)blocks, (intmax_t)gen);
198 }
199
200
201 int
checkactive(void)202 checkactive(void)
203 {
204 if (!curinode) {
205 warnx("no current inode\n");
206 return 0;
207 }
208 return 1;
209 }
210
211 int
checkactivedir(void)212 checkactivedir(void)
213 {
214 if (!curinode) {
215 warnx("no current inode\n");
216 return 0;
217 }
218 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) {
219 warnx("inode %ju not a directory", (uintmax_t)curinum);
220 return 0;
221 }
222 return 1;
223 }
224
225 int
printactive(int doblocks)226 printactive(int doblocks)
227 {
228 if (!checkactive())
229 return 1;
230 switch (DIP(curinode, di_mode) & IFMT) {
231 case IFDIR:
232 case IFREG:
233 case IFBLK:
234 case IFCHR:
235 case IFLNK:
236 case IFSOCK:
237 case IFIFO:
238 if (doblocks)
239 prtblknos(&disk, curinode);
240 else
241 printstat("current inode", curinum, curinode);
242 break;
243 case 0:
244 printf("current inode %ju: unallocated inode\n", (uintmax_t)curinum);
245 break;
246 default:
247 printf("current inode %ju: screwy itype 0%o (mode 0%o)?\n",
248 (uintmax_t)curinum, DIP(curinode, di_mode) & IFMT,
249 DIP(curinode, di_mode));
250 break;
251 }
252 return 0;
253 }
254