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
51void prtblknos(struct fs *fs, union dinode *dp);
52
53char **
54crack(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
71char **
72recrack(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
91int
92argcount(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
105void
106printstat(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
193int
194checkactive(void)
195{
196    if (!curinode) {
197	warnx("no current inode\n");
198	return 0;
199    }
200    return 1;
201}
202
203int
204checkactivedir(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
217int
218printactive(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