280a49ec4b
blocks allocated by some inode. Indirect blocks are printed recursively, so beware :), the list could become lengthy... (We should probably add some output pager to fsdb.) MFC after: 1 month
362 lines
8.1 KiB
C
362 lines
8.1 KiB
C
/* $NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 John T. Kohl
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <grp.h>
|
|
#include <pwd.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ffs/fs.h>
|
|
|
|
#include <sys/ioctl.h>
|
|
|
|
#include "fsdb.h"
|
|
#include "fsck.h"
|
|
|
|
static int charsperline __P((void));
|
|
static int printindir __P((ufs_daddr_t blk, int level, char *bufp));
|
|
static void printblocks __P((ino_t inum, struct dinode *dp));
|
|
|
|
char **
|
|
crack(line, argc)
|
|
char *line;
|
|
int *argc;
|
|
{
|
|
static char *argv[8];
|
|
int i;
|
|
char *p, *val;
|
|
for (p = line, i = 0; p != NULL && i < 8; i++) {
|
|
while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
|
|
/**/;
|
|
if (val)
|
|
argv[i] = val;
|
|
else
|
|
break;
|
|
}
|
|
*argc = i;
|
|
return argv;
|
|
}
|
|
|
|
char **
|
|
recrack(line, argc, argc_max)
|
|
char *line;
|
|
int *argc;
|
|
int argc_max;
|
|
{
|
|
static char *argv[8];
|
|
int i;
|
|
char *p, *val;
|
|
for (p = line, i = 0; p != NULL && i < 8 && i < argc_max - 1; i++) {
|
|
while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
|
|
/**/;
|
|
if (val)
|
|
argv[i] = val;
|
|
else
|
|
break;
|
|
}
|
|
argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1;
|
|
argv[i][strcspn(argv[i], "\n")] = '\0';
|
|
*argc = i + 1;
|
|
return argv;
|
|
}
|
|
|
|
int
|
|
argcount(cmdp, argc, argv)
|
|
struct cmdtable *cmdp;
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
if (cmdp->minargc == cmdp->maxargc)
|
|
warnx("command `%s' takes %u arguments, got %u", cmdp->cmd,
|
|
cmdp->minargc-1, argc);
|
|
else
|
|
warnx("command `%s' takes from %u to %u arguments",
|
|
cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
|
|
|
|
warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
printstat(cp, inum, dp)
|
|
const char *cp;
|
|
ino_t inum;
|
|
struct dinode *dp;
|
|
{
|
|
struct group *grp;
|
|
struct passwd *pw;
|
|
char *p;
|
|
time_t t;
|
|
|
|
printf("%s: ", cp);
|
|
switch (dp->di_mode & IFMT) {
|
|
case IFDIR:
|
|
puts("directory");
|
|
break;
|
|
case IFREG:
|
|
puts("regular file");
|
|
break;
|
|
case IFBLK:
|
|
printf("block special (%d,%d)",
|
|
major(dp->di_rdev), minor(dp->di_rdev));
|
|
break;
|
|
case IFCHR:
|
|
printf("character special (%d,%d)",
|
|
major(dp->di_rdev), minor(dp->di_rdev));
|
|
break;
|
|
case IFLNK:
|
|
fputs("symlink",stdout);
|
|
if (dp->di_size > 0 && dp->di_size < MAXSYMLINKLEN &&
|
|
dp->di_blocks == 0)
|
|
printf(" to `%.*s'\n", (int) dp->di_size, (char *)dp->di_shortlink);
|
|
else
|
|
putchar('\n');
|
|
break;
|
|
case IFSOCK:
|
|
puts("socket");
|
|
break;
|
|
case IFIFO:
|
|
puts("fifo");
|
|
break;
|
|
}
|
|
printf("I=%lu MODE=%o SIZE=%qu", (u_long)inum, dp->di_mode, dp->di_size);
|
|
t = dp->di_mtime;
|
|
p = ctime(&t);
|
|
printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
|
|
dp->di_mtimensec);
|
|
t = dp->di_ctime;
|
|
p = ctime(&t);
|
|
printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
|
|
dp->di_ctimensec);
|
|
t = dp->di_atime;
|
|
p = ctime(&t);
|
|
printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
|
|
dp->di_atimensec);
|
|
|
|
if ((pw = getpwuid(dp->di_uid)))
|
|
printf("OWNER=%s ", pw->pw_name);
|
|
else
|
|
printf("OWNUID=%u ", dp->di_uid);
|
|
if ((grp = getgrgid(dp->di_gid)))
|
|
printf("GRP=%s ", grp->gr_name);
|
|
else
|
|
printf("GID=%u ", dp->di_gid);
|
|
|
|
printf("LINKCNT=%hd FLAGS=%#x BLKCNT=%x GEN=%x\n", dp->di_nlink, dp->di_flags,
|
|
dp->di_blocks, dp->di_gen);
|
|
}
|
|
|
|
|
|
/*
|
|
* Determine the number of characters in a
|
|
* single line.
|
|
*/
|
|
|
|
static int
|
|
charsperline()
|
|
{
|
|
int columns;
|
|
char *cp;
|
|
struct winsize ws;
|
|
|
|
columns = 0;
|
|
if (ioctl(0, TIOCGWINSZ, &ws) != -1)
|
|
columns = ws.ws_col;
|
|
if (columns == 0 && (cp = getenv("COLUMNS")))
|
|
columns = atoi(cp);
|
|
if (columns == 0)
|
|
columns = 80; /* last resort */
|
|
return (columns);
|
|
}
|
|
|
|
|
|
/*
|
|
* Recursively print a list of indirect blocks.
|
|
*/
|
|
static int
|
|
printindir(blk, level, bufp)
|
|
ufs_daddr_t blk;
|
|
int level;
|
|
char *bufp;
|
|
{
|
|
struct bufarea buf, *bp;
|
|
char tempbuf[32]; /* enough to print an ufs_daddr_t */
|
|
int i, j, cpl, charssofar;
|
|
ufs_daddr_t blkno;
|
|
|
|
if (level == 0) {
|
|
/* for the final indirect level, don't use the cache */
|
|
bp = &buf;
|
|
bp->b_un.b_buf = bufp;
|
|
bp->b_prev = bp->b_next = bp;
|
|
initbarea(bp);
|
|
|
|
getblk(bp, blk, sblock.fs_bsize);
|
|
} else
|
|
bp = getdatablk(blk, sblock.fs_bsize);
|
|
|
|
cpl = charsperline();
|
|
for (i = charssofar = 0; i < NINDIR(&sblock); i++) {
|
|
blkno = bp->b_un.b_indir[i];
|
|
if (blkno == 0) {
|
|
if (level == 0)
|
|
putchar('\n');
|
|
return 0;
|
|
}
|
|
j = sprintf(tempbuf, "%d", blkno);
|
|
if (level == 0) {
|
|
charssofar += j;
|
|
if (charssofar >= cpl - 2) {
|
|
putchar('\n');
|
|
charssofar = j;
|
|
}
|
|
}
|
|
fputs(tempbuf, stdout);
|
|
if (level == 0) {
|
|
printf(", ");
|
|
charssofar += 2;
|
|
} else {
|
|
printf(" =>\n");
|
|
if (printindir(blkno, level - 1, bufp) == 0)
|
|
return 0;
|
|
}
|
|
}
|
|
if (level == 0)
|
|
putchar('\n');
|
|
return 1;
|
|
}
|
|
|
|
|
|
/*
|
|
* Print the block pointers for one inode.
|
|
*/
|
|
static void
|
|
printblocks(inum, dp)
|
|
ino_t inum;
|
|
struct dinode *dp;
|
|
{
|
|
char *bufp;
|
|
int i, j, nfrags;
|
|
long ndb, offset;
|
|
|
|
printf("Blocks for inode %d:\n", inum);
|
|
printf("Direct blocks:\n");
|
|
ndb = howmany(dp->di_size, sblock.fs_bsize);
|
|
for (i = 0; i < NDADDR; i++) {
|
|
if (dp->di_db[i] == 0) {
|
|
putchar('\n');
|
|
return;
|
|
}
|
|
if (i > 0)
|
|
printf(", ");
|
|
printf("%d", dp->di_db[i]);
|
|
if (--ndb == 0 && (offset = blkoff(&sblock, dp->di_size)) != 0) {
|
|
nfrags = numfrags(&sblock, fragroundup(&sblock, offset));
|
|
printf(" (%d frag%s)", nfrags, nfrags > 1? "s": "");
|
|
}
|
|
}
|
|
putchar('\n');
|
|
if (dp->di_ib[0] == 0)
|
|
return;
|
|
|
|
bufp = malloc((unsigned int)sblock.fs_bsize);
|
|
if (bufp == 0)
|
|
errx(EEXIT, "cannot allocate indirect block buffer");
|
|
printf("Indirect blocks:\n");
|
|
for (i = 0; i < NIADDR; i++)
|
|
if (printindir(dp->di_ib[i], i, bufp) == 0)
|
|
break;
|
|
free(bufp);
|
|
}
|
|
|
|
|
|
int
|
|
checkactive()
|
|
{
|
|
if (!curinode) {
|
|
warnx("no current inode\n");
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
checkactivedir()
|
|
{
|
|
if (!curinode) {
|
|
warnx("no current inode\n");
|
|
return 0;
|
|
}
|
|
if ((curinode->di_mode & IFMT) != IFDIR) {
|
|
warnx("inode %d not a directory", curinum);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
printactive(doblocks)
|
|
int doblocks;
|
|
{
|
|
if (!checkactive())
|
|
return 1;
|
|
switch (curinode->di_mode & IFMT) {
|
|
case IFDIR:
|
|
case IFREG:
|
|
case IFBLK:
|
|
case IFCHR:
|
|
case IFLNK:
|
|
case IFSOCK:
|
|
case IFIFO:
|
|
if (doblocks)
|
|
printblocks(curinum, curinode);
|
|
else
|
|
printstat("current inode", curinum, curinode);
|
|
break;
|
|
case 0:
|
|
printf("current inode %d: unallocated inode\n", curinum);
|
|
break;
|
|
default:
|
|
printf("current inode %d: screwy itype 0%o (mode 0%o)?\n",
|
|
curinum, curinode->di_mode & IFMT, curinode->di_mode);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|