1 /* $NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $ */
4 * Copyright (c) 1995 John T. Kohl
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
32 static const char rcsid[] =
36 #include <sys/param.h>
46 #include <ufs/ufs/dinode.h>
47 #include <ufs/ffs/fs.h>
49 #include <sys/ioctl.h>
54 static int charsperline(void);
55 static int printindir(ufs2_daddr_t blk, int level, char *bufp);
56 static void printblocks(ino_t inum, union dinode *dp);
59 crack(char *line, int *argc)
64 for (p = line, i = 0; p != NULL && i < 8; i++) {
65 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
77 recrack(char *line, int *argc, int argc_max)
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')
90 argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1;
91 argv[i][strcspn(argv[i], "\n")] = '\0';
97 argcount(struct cmdtable *cmdp, int argc, char *argv[])
99 if (cmdp->minargc == cmdp->maxargc)
100 warnx("command `%s' takes %u arguments, got %u", cmdp->cmd,
101 cmdp->minargc-1, argc-1);
103 warnx("command `%s' takes from %u to %u arguments",
104 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
106 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
111 printstat(const char *cp, ino_t inum, union dinode *dp)
121 switch (DIP(dp, di_mode) & IFMT) {
126 puts("regular file");
129 printf("block special (%d,%d)",
130 major(DIP(dp, di_rdev)), minor(DIP(dp, di_rdev)));
133 printf("character special (%d,%d)",
134 major(DIP(dp, di_rdev)), minor(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=%lu MODE=%o SIZE=%ju", (u_long)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=%hd 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;
238 /* for the final indirect level, don't use the cache */
240 bp->b_un.b_buf = bufp;
241 bp->b_prev = bp->b_next = bp;
244 getblk(bp, blk, sblock.fs_bsize);
246 bp = getdatablk(blk, sblock.fs_bsize);
248 cpl = charsperline();
249 for (i = charssofar = 0; i < NINDIR(&sblock); i++) {
250 if (sblock.fs_magic == FS_UFS1_MAGIC)
251 blkno = bp->b_un.b_indir1[i];
253 blkno = bp->b_un.b_indir2[i];
259 j = sprintf(tempbuf, "%jd", (intmax_t)blkno);
262 if (charssofar >= cpl - 2) {
267 fputs(tempbuf, stdout);
273 if (printindir(blkno, level - 1, bufp) == 0)
284 * Print the block pointers for one inode.
287 printblocks(ino_t inum, union dinode *dp)
294 printf("Blocks for inode %d:\n", inum);
295 printf("Direct blocks:\n");
296 ndb = howmany(DIP(dp, di_size), sblock.fs_bsize);
297 for (i = 0; i < NDADDR; i++) {
298 if (DIP(dp, di_db[i]) == 0) {
304 blkno = DIP(dp, di_db[i]);
305 printf("%jd", (intmax_t)blkno);
306 if (--ndb == 0 && (offset = blkoff(&sblock, DIP(dp, di_size))) != 0) {
307 nfrags = numfrags(&sblock, fragroundup(&sblock, offset));
308 printf(" (%d frag%s)", nfrags, nfrags > 1? "s": "");
312 if (DIP(dp, di_ib[0]) == 0)
315 bufp = malloc((unsigned int)sblock.fs_bsize);
317 errx(EEXIT, "cannot allocate indirect block buffer");
318 printf("Indirect blocks:\n");
319 for (i = 0; i < NIADDR; i++)
320 if (printindir(DIP(dp, di_ib[i]), i, bufp) == 0)
330 warnx("no current inode\n");
340 warnx("no current inode\n");
343 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) {
344 warnx("inode %d not a directory", curinum);
351 printactive(int doblocks)
355 switch (DIP(curinode, di_mode) & IFMT) {
364 printblocks(curinum, curinode);
366 printstat("current inode", curinum, curinode);
369 printf("current inode %d: unallocated inode\n", curinum);
372 printf("current inode %d: screwy itype 0%o (mode 0%o)?\n",
373 curinum, DIP(curinode, di_mode) & IFMT, DIP(curinode, di_mode));