355 lines
9.2 KiB
C
355 lines
9.2 KiB
C
/* $NetBSD: main.c,v 1.28 2008/03/16 23:17:55 lukem Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1980, 1986, 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. 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1997 Manuel Bouyer.
|
|
*
|
|
* 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 Manuel Bouyer.
|
|
* 4. 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__COPYRIGHT("@(#) Copyright (c) 1980, 1986, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n");
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 1/23/94";
|
|
#else
|
|
__RCSID("$NetBSD: main.c,v 1.28 2008/03/16 23:17:55 lukem Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/mount.h>
|
|
#include <ufs/ufs/ufsmount.h>
|
|
#include <ufs/ext2fs/ext2fs_dinode.h>
|
|
#include <ufs/ext2fs/ext2fs.h>
|
|
#include <fstab.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
|
|
#include "fsck.h"
|
|
#include "extern.h"
|
|
#include "fsutil.h"
|
|
#include "exitvalues.h"
|
|
|
|
int returntosingle = 0;
|
|
|
|
|
|
static int argtoi(int, const char *, const char *, int);
|
|
static int checkfilesys(const char *, char *, long, int);
|
|
static void usage(void) __dead;
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int ch;
|
|
int ret = FSCK_EXIT_OK;
|
|
|
|
sync();
|
|
skipclean = 1;
|
|
while ((ch = getopt(argc, argv, "b:dfm:npqy")) != -1) {
|
|
switch (ch) {
|
|
case 'b':
|
|
skipclean = 0;
|
|
bflag = argtoi('b', "number", optarg, 10);
|
|
printf("Alternate super block location: %d\n", bflag);
|
|
break;
|
|
|
|
case 'd':
|
|
debug++;
|
|
break;
|
|
|
|
case 'f':
|
|
skipclean = 0;
|
|
break;
|
|
|
|
case 'm':
|
|
lfmode = argtoi('m', "mode", optarg, 8);
|
|
if (lfmode &~ 07777)
|
|
errexit("bad mode to -m: %o", lfmode);
|
|
printf("** lost+found creation mode %o\n", lfmode);
|
|
break;
|
|
|
|
case 'n':
|
|
nflag++;
|
|
yflag = 0;
|
|
break;
|
|
|
|
case 'p':
|
|
preen++;
|
|
break;
|
|
|
|
case 'P':
|
|
/* Progress meter not implemented. */
|
|
break;
|
|
|
|
case 'q': /* Quiet not implemented */
|
|
break;
|
|
|
|
case 'y':
|
|
yflag++;
|
|
nflag = 0;
|
|
break;
|
|
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (!argc)
|
|
usage();
|
|
|
|
if (signal(SIGINT, SIG_IGN) != SIG_IGN)
|
|
(void)signal(SIGINT, catch);
|
|
if (preen)
|
|
(void)signal(SIGQUIT, catchquit);
|
|
|
|
while (argc-- > 0) {
|
|
int nret = checkfilesys(blockcheck(*argv++), 0, 0L, 0);
|
|
if (ret < nret)
|
|
ret = nret;
|
|
}
|
|
|
|
return returntosingle ? FSCK_EXIT_UNRESOLVED : ret;
|
|
}
|
|
|
|
static int
|
|
argtoi(int flag, const char *req, const char *str, int base)
|
|
{
|
|
char *cp;
|
|
int ret;
|
|
|
|
ret = (int)strtol(str, &cp, base);
|
|
if (cp == str || *cp)
|
|
errexit("-%c flag requires a %s", flag, req);
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* Check the specified filesystem.
|
|
*/
|
|
/* ARGSUSED */
|
|
static int
|
|
checkfilesys(const char *filesys, char *mntpt, long auxdata, int child)
|
|
{
|
|
daddr_t n_bfree;
|
|
struct dups *dp;
|
|
struct zlncnt *zlnp;
|
|
int i;
|
|
|
|
if (preen && child)
|
|
(void)signal(SIGQUIT, voidquit);
|
|
setcdevname(filesys, preen);
|
|
if (debug && preen)
|
|
pwarn("starting\n");
|
|
switch (setup(filesys)) {
|
|
case 0:
|
|
if (preen)
|
|
pfatal("CAN'T CHECK FILE SYSTEM.");
|
|
case -1:
|
|
return FSCK_EXIT_OK;
|
|
}
|
|
/*
|
|
* 1: scan inodes tallying blocks used
|
|
*/
|
|
if (preen == 0) {
|
|
if (sblock.e2fs.e2fs_rev > E2FS_REV0) {
|
|
printf("** Last Mounted on %s\n",
|
|
sblock.e2fs.e2fs_fsmnt);
|
|
}
|
|
if (hotroot())
|
|
printf("** Root file system\n");
|
|
printf("** Phase 1 - Check Blocks and Sizes\n");
|
|
}
|
|
pass1();
|
|
|
|
/*
|
|
* 1b: locate first references to duplicates, if any
|
|
*/
|
|
if (duplist) {
|
|
if (preen)
|
|
pfatal("INTERNAL ERROR: dups with -p");
|
|
printf("** Phase 1b - Rescan For More DUPS\n");
|
|
pass1b();
|
|
}
|
|
|
|
/*
|
|
* 2: traverse directories from root to mark all connected directories
|
|
*/
|
|
if (preen == 0)
|
|
printf("** Phase 2 - Check Pathnames\n");
|
|
pass2();
|
|
|
|
/*
|
|
* 3: scan inodes looking for disconnected directories
|
|
*/
|
|
if (preen == 0)
|
|
printf("** Phase 3 - Check Connectivity\n");
|
|
pass3();
|
|
|
|
/*
|
|
* 4: scan inodes looking for disconnected files; check reference counts
|
|
*/
|
|
if (preen == 0)
|
|
printf("** Phase 4 - Check Reference Counts\n");
|
|
pass4();
|
|
|
|
/*
|
|
* 5: check and repair resource counts in cylinder groups
|
|
*/
|
|
if (preen == 0)
|
|
printf("** Phase 5 - Check Cyl groups\n");
|
|
pass5();
|
|
|
|
/*
|
|
* print out summary statistics
|
|
*/
|
|
n_bfree = sblock.e2fs.e2fs_fbcount;
|
|
|
|
pwarn("%lld files, %lld used, %lld free\n",
|
|
(long long)n_files, (long long)n_blks, (long long)n_bfree);
|
|
if (debug &&
|
|
/* 9 reserved and unused inodes in FS */
|
|
(n_files -= maxino - 9 - sblock.e2fs.e2fs_ficount))
|
|
printf("%lld files missing\n", (long long)n_files);
|
|
if (debug) {
|
|
for (i = 0; i < sblock.e2fs_ncg; i++)
|
|
n_blks += cgoverhead(i);
|
|
n_blks += sblock.e2fs.e2fs_first_dblock;
|
|
if (n_blks -= maxfsblock - n_bfree)
|
|
printf("%lld blocks missing\n", (long long)n_blks);
|
|
if (duplist != NULL) {
|
|
printf("The following duplicate blocks remain:");
|
|
for (dp = duplist; dp; dp = dp->next)
|
|
printf(" %lld,", (long long)dp->dup);
|
|
printf("\n");
|
|
}
|
|
if (zlnhead != NULL) {
|
|
printf("The following zero link count inodes remain:");
|
|
for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
|
|
printf(" %llu,",
|
|
(unsigned long long)zlnp->zlncnt);
|
|
printf("\n");
|
|
}
|
|
}
|
|
zlnhead = (struct zlncnt *)0;
|
|
duplist = (struct dups *)0;
|
|
muldup = (struct dups *)0;
|
|
inocleanup();
|
|
if (fsmodified) {
|
|
time_t t;
|
|
(void)time(&t);
|
|
sblock.e2fs.e2fs_wtime = t;
|
|
sblock.e2fs.e2fs_lastfsck = t;
|
|
sbdirty();
|
|
}
|
|
ckfini(1);
|
|
free(blockmap);
|
|
free(statemap);
|
|
free((char *)lncntp);
|
|
if (!fsmodified)
|
|
return FSCK_EXIT_OK;
|
|
if (!preen)
|
|
printf("\n***** FILE SYSTEM WAS MODIFIED *****\n");
|
|
if (rerun)
|
|
printf("\n***** PLEASE RERUN FSCK *****\n");
|
|
if (hotroot()) {
|
|
struct statvfs stfs_buf;
|
|
/*
|
|
* We modified the root. Do a mount update on
|
|
* it, unless it is read-write, so we can continue.
|
|
*/
|
|
if (statvfs("/", &stfs_buf) == 0) {
|
|
long flags = stfs_buf.f_flag;
|
|
struct ufs_args args;
|
|
|
|
if (flags & MNT_RDONLY) {
|
|
args.fspec = 0;
|
|
flags |= MNT_UPDATE | MNT_RELOAD;
|
|
if (mount(MOUNT_EXT2FS, "/", flags,
|
|
&args, sizeof args) == 0)
|
|
return FSCK_EXIT_OK;
|
|
}
|
|
}
|
|
if (!preen)
|
|
printf("\n***** REBOOT NOW *****\n");
|
|
sync();
|
|
return FSCK_EXIT_ROOT_CHANGED;
|
|
}
|
|
return FSCK_EXIT_OK;
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
(void) fprintf(stderr,
|
|
"Usage: %s [-dfnpy] [-b block] [-c level] [-m mode] filesystem ...\n",
|
|
getprogname());
|
|
exit(FSCK_EXIT_USAGE);
|
|
}
|
|
|