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 #include <sys/param.h>
34 #include <ctype.h>
35 #include <err.h>
36 #include <grp.h>
37 #include <pwd.h>
38 #include <stdint.h>
39 #include <string.h>
40 #include <time.h>
41 #include <timeconv.h>
42
43 #include <ufs/ufs/dinode.h>
44 #include <ufs/ffs/fs.h>
45
46 #include <sys/ioctl.h>
47
48 #include "fsdb.h"
49 #include "fsck.h"
50
51 void prtblknos(struct fs *fs, union dinode *dp);
52
53 char **
crack(char * line,int * argc)54 crack(char *line, int *argc)
55 {
56 static char *argv[8];
57 int i;
58 char *p, *val;
59 for (p = line, i = 0; p != NULL && i < 8; i++) {
60 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
61 /**/;
62 if (val)
63 argv[i] = val;
64 else
65 break;
66 }
67 *argc = i;
68 return argv;
69 }
70
71 char **
recrack(char * line,int * argc,int argc_max)72 recrack(char *line, int *argc, int argc_max)
73 {
74 static char *argv[8];
75 int i;
76 char *p, *val;
77 for (p = line, i = 0; p != NULL && i < 8 && i < argc_max - 1; i++) {
78 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
79 /**/;
80 if (val)
81 argv[i] = val;
82 else
83 break;
84 }
85 argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1;
86 argv[i][strcspn(argv[i], "\n")] = '\0';
87 *argc = i + 1;
88 return argv;
89 }
90
91 int
argcount(struct cmdtable * cmdp,int argc,char * argv[])92 argcount(struct cmdtable *cmdp, int argc, char *argv[])
93 {
94 if (cmdp->minargc == cmdp->maxargc)
95 warnx("command `%s' takes %u arguments, got %u", cmdp->cmd,
96 cmdp->minargc-1, argc-1);
97 else
98 warnx("command `%s' takes from %u to %u arguments",
99 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
100
101 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
102 return 1;
103 }
104
105 void
printstat(const char * cp,ino_t inum,union dinode * dp)106 printstat(const char *cp, ino_t inum, union dinode *dp)
107 {
108 struct group *grp;
109 struct passwd *pw;
110 ufs2_daddr_t blocks;
111 int64_t gen;
112 char *p;
113 time_t t;
114
115 printf("%s: ", cp);
116 switch (DIP(dp, di_mode) & IFMT) {
117 case IFDIR:
118 puts("directory");
119 break;
120 case IFREG:
121 puts("regular file");
122 break;
123 case IFBLK:
124 printf("block special (%#jx)", (uintmax_t)DIP(dp, di_rdev));
125 break;
126 case IFCHR:
127 printf("character special (%#jx)", DIP(dp, di_rdev));
128 break;
129 case IFLNK:
130 fputs("symlink",stdout);
131 if (DIP(dp, di_size) > 0 &&
132 DIP(dp, di_size) < sblock.fs_maxsymlinklen &&
133 DIP(dp, di_blocks) == 0) {
134 printf(" to `%.*s'\n", (int) DIP(dp, di_size),
135 DIP(dp, di_shortlink));
136 } else {
137 putchar('\n');
138 }
139 break;
140 case IFSOCK:
141 puts("socket");
142 break;
143 case IFIFO:
144 puts("fifo");
145 break;
146 }
147 printf("I=%ju MODE=%o SIZE=%ju", (uintmax_t)inum, DIP(dp, di_mode),
148 (uintmax_t)DIP(dp, di_size));
149 if (sblock.fs_magic != FS_UFS1_MAGIC) {
150 t = _time64_to_time(dp->dp2.di_birthtime);
151 p = ctime(&t);
152 printf("\n\tBTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
153 dp->dp2.di_birthnsec);
154 }
155 if (sblock.fs_magic == FS_UFS1_MAGIC)
156 t = _time32_to_time(dp->dp1.di_mtime);
157 else
158 t = _time64_to_time(dp->dp2.di_mtime);
159 p = ctime(&t);
160 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
161 DIP(dp, di_mtimensec));
162 if (sblock.fs_magic == FS_UFS1_MAGIC)
163 t = _time32_to_time(dp->dp1.di_ctime);
164 else
165 t = _time64_to_time(dp->dp2.di_ctime);
166 p = ctime(&t);
167 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
168 DIP(dp, di_ctimensec));
169 if (sblock.fs_magic == FS_UFS1_MAGIC)
170 t = _time32_to_time(dp->dp1.di_atime);
171 else
172 t = _time64_to_time(dp->dp2.di_atime);
173 p = ctime(&t);
174 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
175 DIP(dp, di_atimensec));
176
177 if ((pw = getpwuid(DIP(dp, di_uid))))
178 printf("OWNER=%s ", pw->pw_name);
179 else
180 printf("OWNUID=%u ", DIP(dp, di_uid));
181 if ((grp = getgrgid(DIP(dp, di_gid))))
182 printf("GRP=%s ", grp->gr_name);
183 else
184 printf("GID=%u ", DIP(dp, di_gid));
185
186 blocks = DIP(dp, di_blocks);
187 gen = DIP(dp, di_gen);
188 printf("LINKCNT=%d FLAGS=%#x BLKCNT=%jx GEN=%jx\n", DIP(dp, di_nlink),
189 DIP(dp, di_flags), (intmax_t)blocks, (intmax_t)gen);
190 }
191
192
193 int
checkactive(void)194 checkactive(void)
195 {
196 if (!curinode) {
197 warnx("no current inode\n");
198 return 0;
199 }
200 return 1;
201 }
202
203 int
checkactivedir(void)204 checkactivedir(void)
205 {
206 if (!curinode) {
207 warnx("no current inode\n");
208 return 0;
209 }
210 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) {
211 warnx("inode %ju not a directory", (uintmax_t)curinum);
212 return 0;
213 }
214 return 1;
215 }
216
217 int
printactive(int doblocks)218 printactive(int doblocks)
219 {
220 if (!checkactive())
221 return 1;
222 switch (DIP(curinode, di_mode) & IFMT) {
223 case IFDIR:
224 case IFREG:
225 case IFBLK:
226 case IFCHR:
227 case IFLNK:
228 case IFSOCK:
229 case IFIFO:
230 if (doblocks)
231 prtblknos(&sblock, curinode);
232 else
233 printstat("current inode", curinum, curinode);
234 break;
235 case 0:
236 printf("current inode %ju: unallocated inode\n", (uintmax_t)curinum);
237 break;
238 default:
239 printf("current inode %ju: screwy itype 0%o (mode 0%o)?\n",
240 (uintmax_t)curinum, DIP(curinode, di_mode) & IFMT,
241 DIP(curinode, di_mode));
242 break;
243 }
244 return 0;
245 }
246