1 /* $NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (c) 1995 John T. Kohl
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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.
34 static const char rcsid[] =
38 #include <sys/param.h>
48 #include <ufs/ufs/dinode.h>
49 #include <ufs/ffs/fs.h>
51 #include <sys/ioctl.h>
56 static int charsperline(void);
57 static void printindir(ufs2_daddr_t blk, int level, char *bufp);
58 static void printblocks(ino_t inum, union dinode *dp);
61 crack(char *line, int *argc)
66 for (p = line, i = 0; p != NULL && i < 8; i++) {
67 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
79 recrack(char *line, int *argc, int argc_max)
84 for (p = line, i = 0; p != NULL && i < 8 && i < argc_max - 1; i++) {
85 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
92 argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1;
93 argv[i][strcspn(argv[i], "\n")] = '\0';
99 argcount(struct cmdtable *cmdp, int argc, char *argv[])
101 if (cmdp->minargc == cmdp->maxargc)
102 warnx("command `%s' takes %u arguments, got %u", cmdp->cmd,
103 cmdp->minargc-1, argc-1);
105 warnx("command `%s' takes from %u to %u arguments",
106 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
108 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
113 printstat(const char *cp, ino_t inum, union dinode *dp)
123 switch (DIP(dp, di_mode) & IFMT) {
128 puts("regular file");
131 printf("block special (%#jx)", (uintmax_t)DIP(dp, di_rdev));
134 printf("character special (%#jx)", DIP(dp, di_rdev));
137 fputs("symlink",stdout);
138 if (DIP(dp, di_size) > 0 &&
139 DIP(dp, di_size) < sblock.fs_maxsymlinklen &&
140 DIP(dp, di_blocks) == 0) {
141 if (sblock.fs_magic == FS_UFS1_MAGIC)
142 p = (caddr_t)dp->dp1.di_db;
144 p = (caddr_t)dp->dp2.di_db;
145 printf(" to `%.*s'\n", (int) DIP(dp, di_size), p);
157 printf("I=%ju MODE=%o SIZE=%ju", (uintmax_t)inum, DIP(dp, di_mode),
158 (uintmax_t)DIP(dp, di_size));
159 if (sblock.fs_magic != FS_UFS1_MAGIC) {
160 t = _time64_to_time(dp->dp2.di_birthtime);
162 printf("\n\tBTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
163 dp->dp2.di_birthnsec);
165 if (sblock.fs_magic == FS_UFS1_MAGIC)
166 t = _time32_to_time(dp->dp1.di_mtime);
168 t = _time64_to_time(dp->dp2.di_mtime);
170 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
171 DIP(dp, di_mtimensec));
172 if (sblock.fs_magic == FS_UFS1_MAGIC)
173 t = _time32_to_time(dp->dp1.di_ctime);
175 t = _time64_to_time(dp->dp2.di_ctime);
177 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
178 DIP(dp, di_ctimensec));
179 if (sblock.fs_magic == FS_UFS1_MAGIC)
180 t = _time32_to_time(dp->dp1.di_atime);
182 t = _time64_to_time(dp->dp2.di_atime);
184 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
185 DIP(dp, di_atimensec));
187 if ((pw = getpwuid(DIP(dp, di_uid))))
188 printf("OWNER=%s ", pw->pw_name);
190 printf("OWNUID=%u ", DIP(dp, di_uid));
191 if ((grp = getgrgid(DIP(dp, di_gid))))
192 printf("GRP=%s ", grp->gr_name);
194 printf("GID=%u ", DIP(dp, di_gid));
196 blocks = DIP(dp, di_blocks);
197 gen = DIP(dp, di_gen);
198 printf("LINKCNT=%d FLAGS=%#x BLKCNT=%jx GEN=%jx\n", DIP(dp, di_nlink),
199 DIP(dp, di_flags), (intmax_t)blocks, (intmax_t)gen);
204 * Determine the number of characters in a
216 if (ioctl(0, TIOCGWINSZ, &ws) != -1)
218 if (columns == 0 && (cp = getenv("COLUMNS")))
221 columns = 80; /* last resort */
227 * Recursively print a list of indirect blocks.
230 printindir(ufs2_daddr_t blk, int level, char *bufp)
232 struct bufarea buf, *bp;
233 char tempbuf[32]; /* enough to print an ufs2_daddr_t */
234 int i, j, cpl, charssofar;
239 printf("%jd (%d) =>\n", (intmax_t)blk, level);
241 /* for the final indirect level, don't use the cache */
243 bp->b_un.b_buf = bufp;
244 initbarea(bp, BT_UNKNOWN);
246 getblk(bp, blk, sblock.fs_bsize);
248 bp = getdatablk(blk, sblock.fs_bsize, BT_UNKNOWN);
250 cpl = charsperline();
251 for (i = charssofar = 0; i < NINDIR(&sblock); i++) {
252 if (sblock.fs_magic == FS_UFS1_MAGIC)
253 blkno = bp->b_un.b_indir1[i];
255 blkno = bp->b_un.b_indir2[i];
258 j = sprintf(tempbuf, "%jd", (intmax_t)blkno);
261 if (charssofar >= cpl - 2) {
266 fputs(tempbuf, stdout);
272 printindir(blkno, level - 1, bufp);
284 * Print the block pointers for one inode.
287 printblocks(ino_t inum, union dinode *dp)
294 printf("Blocks for inode %ju:\n", (uintmax_t)inum);
295 printf("Direct blocks:\n");
296 ndb = howmany(DIP(dp, di_size), sblock.fs_bsize);
297 for (i = 0; i < UFS_NDADDR && i < ndb; i++) {
300 blkno = DIP(dp, di_db[i]);
301 printf("%jd", (intmax_t)blkno);
303 if (ndb <= UFS_NDADDR) {
304 offset = blkoff(&sblock, DIP(dp, di_size));
306 nfrags = numfrags(&sblock, fragroundup(&sblock, offset));
307 printf(" (%d frag%s)", nfrags, nfrags > 1? "s": "");
311 if (ndb <= UFS_NDADDR)
314 bufp = malloc((unsigned int)sblock.fs_bsize);
316 errx(EEXIT, "cannot allocate indirect block buffer");
317 printf("Indirect blocks:\n");
318 for (i = 0; i < UFS_NIADDR; i++)
319 printindir(DIP(dp, di_ib[i]), i, bufp);
328 warnx("no current inode\n");
338 warnx("no current inode\n");
341 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) {
342 warnx("inode %ju not a directory", (uintmax_t)curinum);
349 printactive(int doblocks)
353 switch (DIP(curinode, di_mode) & IFMT) {
362 printblocks(curinum, curinode);
364 printstat("current inode", curinum, curinode);
367 printf("current inode %ju: unallocated inode\n", (uintmax_t)curinum);
370 printf("current inode %ju: screwy itype 0%o (mode 0%o)?\n",
371 (uintmax_t)curinum, DIP(curinode, di_mode) & IFMT,
372 DIP(curinode, di_mode));