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.
30 * $FreeBSD: src/sbin/fsdb/fsdbutil.c,v 1.9.2.2 2002/03/20 13:39:02 joerg Exp $
33 #include <sys/param.h>
41 #include <vfs/ufs/dinode.h>
42 #include <vfs/ufs/fs.h>
44 #include <sys/ioctl.h>
49 static int charsperline(void);
50 static int printindir(ufs_daddr_t blk, int level, char *bufp);
51 static void printblocks(ino_t inum, struct ufs1_dinode *dp);
54 crack(char *line, int *argc)
59 for (p = line, i = 0; p != NULL && i < 8; i++) {
60 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
72 argcount(struct cmdtable *cmdp, int argc, char **argv)
74 if (cmdp->minargc == cmdp->maxargc)
75 warnx("command `%s' takes %u arguments", cmdp->cmd, cmdp->minargc-1);
77 warnx("command `%s' takes from %u to %u arguments",
78 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
80 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
85 printstat(const char *cp, ino_t inum, struct ufs1_dinode *dp)
93 switch (dp->di_mode & IFMT) {
101 printf("block special (%d,%d)",
102 major(dp->di_rdev), minor(dp->di_rdev));
105 printf("character special (%d,%d)",
106 major(dp->di_rdev), minor(dp->di_rdev));
109 fputs("symlink",stdout);
110 if (dp->di_size > 0 && dp->di_size < MAXSYMLINKLEN &&
112 printf(" to `%.*s'\n", (int) dp->di_size, (char *)dp->di_shortlink);
123 printf("I=%lu MODE=%o SIZE=%qu", (u_long)inum, dp->di_mode, dp->di_size);
126 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
130 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
134 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
137 if ((pw = getpwuid(dp->di_uid)))
138 printf("OWNER=%s ", pw->pw_name);
140 printf("OWNUID=%u ", dp->di_uid);
141 if ((grp = getgrgid(dp->di_gid)))
142 printf("GRP=%s ", grp->gr_name);
144 printf("GID=%u ", dp->di_gid);
146 printf("LINKCNT=%hd FLAGS=%#x BLKCNT=%x GEN=%x\n", dp->di_nlink, dp->di_flags,
147 dp->di_blocks, dp->di_gen);
152 * Determine the number of characters in a
164 if (ioctl(0, TIOCGWINSZ, &ws) != -1)
166 if (columns == 0 && (cp = getenv("COLUMNS")))
169 columns = 80; /* last resort */
175 * Recursively print a list of indirect blocks.
178 printindir(ufs_daddr_t blk, int level, char *bufp)
180 struct bufarea buf, *bp;
181 char tempbuf[32]; /* enough to print an ufs_daddr_t */
182 int i, j, cpl, charssofar;
186 /* for the final indirect level, don't use the cache */
188 bp->b_un.b_buf = bufp;
189 bp->b_prev = bp->b_next = bp;
192 getblk(bp, blk, sblock.fs_bsize);
194 bp = getdatablk(blk, sblock.fs_bsize);
196 cpl = charsperline();
197 for (i = charssofar = 0; i < NINDIR(&sblock); i++) {
198 blkno = bp->b_un.b_indir[i];
204 j = sprintf(tempbuf, "%d", blkno);
207 if (charssofar >= cpl - 2) {
212 fputs(tempbuf, stdout);
218 if (printindir(blkno, level - 1, bufp) == 0)
229 * Print the block pointers for one inode.
232 printblocks(ino_t inum, struct ufs1_dinode *dp)
238 printf("Blocks for inode %d:\n", inum);
239 printf("Direct blocks:\n");
240 ndb = howmany(dp->di_size, sblock.fs_bsize);
241 for (i = 0; i < NDADDR; i++) {
242 if (dp->di_db[i] == 0) {
248 printf("%d", dp->di_db[i]);
249 if (--ndb == 0 && (offset = blkoff(&sblock, dp->di_size)) != 0) {
250 nfrags = numfrags(&sblock, fragroundup(&sblock, offset));
251 printf(" (%d frag%s)", nfrags, nfrags > 1? "s": "");
255 if (dp->di_ib[0] == 0)
258 bufp = malloc((unsigned int)sblock.fs_bsize);
260 errx(EEXIT, "cannot allocate indirect block buffer");
261 printf("Indirect blocks:\n");
262 for (i = 0; i < NIADDR; i++)
263 if (printindir(dp->di_ib[i], i, bufp) == 0)
273 warnx("no current inode\n");
283 warnx("no current inode\n");
286 if ((curinode->di_mode & IFMT) != IFDIR) {
287 warnx("inode %d not a directory", curinum);
294 printactive(int doblocks)
298 switch (curinode->di_mode & IFMT) {
307 printblocks(curinum, curinode);
309 printstat("current inode", curinum, curinode);
312 printf("current inode %d: unallocated inode\n", curinum);
315 printf("current inode %d: screwy itype 0%o (mode 0%o)?\n",
316 curinum, curinode->di_mode & IFMT, curinode->di_mode);