freebsd-dev/sbin/dumpfs/dumpfs.c

339 lines
10 KiB
C

/*
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by Marshall
* Kirk McKusick and Network Associates Laboratories, the Security
* Research Division of Network Associates, Inc. under DARPA/SPAWAR
* contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
* research program
*
* Copyright (c) 1982, 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* Copyright (c) 1983, 1992, 1993
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 copyright[] =
"@(#) Copyright (c) 1983, 1992, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/time.h>
#include <sys/disklabel.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <fstab.h>
#include <libufs.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#define afs disk.d_fs
union {
struct cg cg;
char pad[MAXBSIZE];
} cgun;
#define acg cgun.cg
struct uufsd disk;
int dumpfs(const char *);
int dumpcg(int);
void pbits(void *, int);
void usage(void) __dead2;
int
main(int argc, char *argv[])
{
int eval;
eval = 0;
while (getopt(argc, argv, "") != -1)
usage();
argc -= optind;
argv += optind;
if (argc < 1)
usage();
while (*argv != NULL)
eval |= dumpfs(*argv++);
exit(eval);
}
int
dumpfs(const char *name)
{
time_t time;
int64_t fssize;
int i;
if (ufs_disk_fillout(&disk, name) == -1)
goto err;
switch (disk.d_ufs) {
case 2:
fssize = afs.fs_size;
time = afs.fs_time;
printf("magic\t%x (UFS2)\ttime\t%s",
afs.fs_magic, ctime(&time));
printf("superblock location\t%qd\tid\t[ %x %x ]\n",
afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]);
printf("ncg\t%d\tsize\t%qd\tblocks\t%d\n",
afs.fs_ncg, fssize, afs.fs_dsize);
break;
case 1:
fssize = afs.fs_old_size;
time = afs.fs_old_time;
printf("magic\t%x (UFS1)\ttime\t%s",
afs.fs_magic, ctime(&time));
printf("id\t[ %x %x ]\n", afs.fs_id[0], afs.fs_id[1]);
printf("ncg\t%d\tsize\t%qd\tblocks\t%d\n",
afs.fs_ncg, fssize, afs.fs_dsize);
break;
default:
break;
}
printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n",
afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
afs.fs_maxsymlinklen);
switch (disk.d_ufs) {
case 2:
printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n",
"maxbsize", afs.fs_maxbsize, afs.fs_maxbpg,
afs.fs_maxcontig, afs.fs_contigsumsize);
printf("nbfree\t%qd\tndir\t%qd\tnifree\t%qd\tnffree\t%qd\n",
afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
printf("bpg\t%d\tfpg\t%d\tipg\t%d\n",
afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%qu\n",
afs.fs_nindir, afs.fs_inopb, afs.fs_maxfilesize);
printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%d\tcssize\t%d\n",
afs.fs_sbsize, afs.fs_cgsize, afs.fs_csaddr, afs.fs_cssize);
break;
case 1:
printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n",
afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize);
printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir,
afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree);
printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg,
afs.fs_ipg);
printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%qu\n",
afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf,
afs.fs_maxfilesize);
printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset,
afs.fs_old_cgmask);
printf("csaddr\t%d\tcssize\t%d\n",
afs.fs_old_csaddr, afs.fs_cssize);
printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n",
afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew,
afs.fs_old_interleave);
printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n",
afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc);
break;
default:
break;
}
printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n",
afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean);
printf("flags\t");
if (afs.fs_flags == 0)
printf("none");
if (afs.fs_flags & FS_UNCLEAN)
printf("unclean ");
if (afs.fs_flags & FS_DOSOFTDEP)
printf("soft-updates ");
if (afs.fs_flags & FS_NEEDSFSCK)
printf("needs fsck run ");
if (afs.fs_flags & FS_INDEXDIRS)
printf("indexed directories ");
if ((afs.fs_flags &
~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS)) != 0)
printf("unknown flags (%#x)", afs.fs_flags &
~(FS_UNCLEAN | FS_DOSOFTDEP |
FS_NEEDSFSCK | FS_INDEXDIRS));
putchar('\n');
printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
afs.fs_csp = calloc(1, afs.fs_cssize);
if (bread(&disk, fsbtodb(&afs, afs.fs_csaddr), afs.fs_csp, afs.fs_cssize) == -1)
goto err;
for (i = 0; i < afs.fs_ncg; i++) {
struct csum *cs = &afs.fs_cs(&afs, i);
if (i && i % 4 == 0)
printf("\n\t");
printf("(%d,%d,%d,%d) ",
cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
}
printf("\n");
if (fssize % afs.fs_fpg) {
if (disk.d_ufs == 1)
printf("cylinders in last group %d\n",
howmany(afs.fs_old_size % afs.fs_fpg,
afs.fs_old_spc / afs.fs_old_nspf));
printf("blocks in last group %d\n\n",
(fssize % afs.fs_fpg) / afs.fs_frag);
}
for (i = 0; i < afs.fs_ncg; i++)
if (dumpcg(i))
goto err;
ufs_disk_close(&disk);
return (0);
err: if (disk.d_error != NULL)
warnx("%s: %s", name, disk.d_error);
else if (errno)
warn("%s", name);
ufs_disk_close(&disk);
return (1);
}
int
dumpcg(int c)
{
time_t time;
off_t cur;
int i, j;
printf("\ncg %d:\n", c);
cur = fsbtodb(&afs, cgtod(&afs, c)) * disk.d_bsize;
if (bread(&disk, fsbtodb(&afs, cgtod(&afs, c)), &acg, afs.fs_bsize) == -1)
return (1);
switch (disk.d_ufs) {
case 2:
time = acg.cg_time;
printf("magic\t%x\ttell\t%qx\ttime\t%s",
acg.cg_magic, cur, ctime(&time));
printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\n",
acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk);
break;
case 1:
time = acg.cg_old_time;
printf("magic\t%x\ttell\t%qx\ttime\t%s",
acg.cg_magic, cur, ctime(&time));
printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk,
acg.cg_ndblk);
break;
default:
break;
}
printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
for (i = 1, j = 0; i < afs.fs_frag; i++) {
printf("\t%d", acg.cg_frsum[i]);
j += i * acg.cg_frsum[i];
}
printf("\nsum of frsum: %d", j);
if (afs.fs_contigsumsize > 0) {
for (i = 1; i < afs.fs_contigsumsize; i++) {
if ((i - 1) % 8 == 0)
printf("\nclusters %d-%d:", i,
afs.fs_contigsumsize - 1 < i + 7 ?
afs.fs_contigsumsize - 1 : i + 7);
printf("\t%d", cg_clustersum(&acg)[i]);
}
printf("\nclusters size %d and over: %d\n",
afs.fs_contigsumsize,
cg_clustersum(&acg)[afs.fs_contigsumsize]);
printf("clusters free:\t");
pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
} else
printf("\n");
printf("inodes used:\t");
pbits(cg_inosused(&acg), afs.fs_ipg);
printf("blks free:\t");
pbits(cg_blksfree(&acg), afs.fs_fpg);
return (0);
}
void
pbits(void *vp, int max)
{
int i;
char *p;
int count, j;
for (count = i = 0, p = vp; i < max; i++)
if (isset(p, i)) {
if (count)
printf(",%s", count % 6 ? " " : "\n\t");
count++;
printf("%d", i);
j = i;
while ((i+1)<max && isset(p, i+1))
i++;
if (i != j)
printf("-%d", i);
}
printf("\n");
}
void
usage(void)
{
(void)fprintf(stderr, "usage: dumpfs filesys | device\n");
exit(1);
}