summaryrefslogtreecommitdiffstats
path: root/sbin/fsck/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'sbin/fsck/main.c')
-rw-r--r--sbin/fsck/main.c417
1 files changed, 0 insertions, 417 deletions
diff --git a/sbin/fsck/main.c b/sbin/fsck/main.c
deleted file mode 100644
index 6463990..0000000
--- a/sbin/fsck/main.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/*
- * 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. 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) 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 8.6 (Berkeley) 5/14/95";
-#endif
-static const char rcsid[] =
- "$FreeBSD$";
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/mount.h>
-#include <sys/resource.h>
-
-#include <ufs/ufs/dinode.h>
-#include <ufs/ufs/ufsmount.h>
-#include <ufs/ffs/fs.h>
-
-#include <err.h>
-#include <errno.h>
-#include <fstab.h>
-#include <paths.h>
-
-#include "fsck.h"
-
-static int argtoi __P((int flag, char *req, char *str, int base));
-static int docheck __P((struct fstab *fsp));
-static int checkfilesys __P((char *filesys, char *mntpt, long auxdata,
- int child));
-static struct statfs *getmntpt __P((const char *));
-int main __P((int argc, char *argv[]));
-
-int
-main(argc, argv)
- int argc;
- char *argv[];
-{
- int ch;
- int ret, maxrun = 0;
- struct rlimit rlimit;
-
- sync();
- while ((ch = getopt(argc, argv, "dfpnNyYb:c:l:m:")) != -1) {
- switch (ch) {
- case 'p':
- preen++;
- break;
-
- case 'b':
- bflag = argtoi('b', "number", optarg, 10);
- printf("Alternate super block location: %d\n", bflag);
- break;
-
- case 'c':
- cvtlevel = argtoi('c', "conversion level", optarg, 10);
- break;
-
- case 'd':
- debug++;
- break;
-
- case 'f':
- fflag++;
- break;
-
- case 'l':
- maxrun = argtoi('l', "number", optarg, 10);
- break;
-
- case 'm':
- lfmode = argtoi('m', "mode", optarg, 8);
- if (lfmode &~ 07777)
- errx(EEXIT, "bad mode to -m: %o", lfmode);
- printf("** lost+found creation mode %o\n", lfmode);
- break;
-
- case 'n':
- case 'N':
- nflag++;
- yflag = 0;
- break;
-
- case 'y':
- case 'Y':
- yflag++;
- nflag = 0;
- break;
-
- default:
- errx(EEXIT, "%c option?", ch);
- }
- }
- argc -= optind;
- argv += optind;
- if (signal(SIGINT, SIG_IGN) != SIG_IGN)
- (void)signal(SIGINT, catch);
- if (preen)
- (void)signal(SIGQUIT, catchquit);
- /*
- * Push up our allowed memory limit so we can cope
- * with huge filesystems.
- */
- if (getrlimit(RLIMIT_DATA, &rlimit) == 0) {
- rlimit.rlim_cur = rlimit.rlim_max;
- (void)setrlimit(RLIMIT_DATA, &rlimit);
- }
- if (argc) {
- while (argc-- > 0) {
- char *path = blockcheck(*argv);
-
- if (path == NULL)
- pfatal("Can't check %s\n", *argv);
- else
- (void)checkfilesys(path, 0, 0L, 0);
- ++argv;
- }
- exit(0);
- }
- ret = checkfstab(preen, maxrun, docheck, checkfilesys);
- if (returntosingle)
- exit(2);
- exit(ret);
-}
-
-static int
-argtoi(flag, req, str, base)
- int flag;
- char *req, *str;
- int base;
-{
- char *cp;
- int ret;
-
- ret = (int)strtol(str, &cp, base);
- if (cp == str || *cp)
- errx(EEXIT, "-%c flag requires a %s", flag, req);
- return (ret);
-}
-
-/*
- * Determine whether a filesystem should be checked.
- */
-static int
-docheck(fsp)
- register struct fstab *fsp;
-{
-
- if (strcmp(fsp->fs_vfstype, "ufs") ||
- (strcmp(fsp->fs_type, FSTAB_RW) &&
- strcmp(fsp->fs_type, FSTAB_RO)) ||
- fsp->fs_passno == 0)
- return (0);
- return (1);
-}
-
-/*
- * Check the specified filesystem.
- */
-/* ARGSUSED */
-static int
-checkfilesys(filesys, mntpt, auxdata, child)
- char *filesys, *mntpt;
- long auxdata;
- int child;
-{
- ufs_daddr_t n_ffree, n_bfree;
- struct dups *dp;
- struct statfs *mntbuf;
- struct zlncnt *zlnp;
- int cylno;
-
- if (preen && child)
- (void)signal(SIGQUIT, voidquit);
- cdevname = filesys;
- if (debug && preen)
- pwarn("starting\n");
- switch (setup(filesys)) {
- case 0:
- if (preen)
- pfatal("CAN'T CHECK FILE SYSTEM.");
- return (0);
- case -1:
- pwarn("clean, %ld free ", sblock.fs_cstotal.cs_nffree +
- sblock.fs_frag * sblock.fs_cstotal.cs_nbfree);
- printf("(%d frags, %d blocks, %.1f%% fragmentation)\n",
- sblock.fs_cstotal.cs_nffree, sblock.fs_cstotal.cs_nbfree,
- sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize);
- return (0);
- }
-
- /*
- * Get the mount point information of the filesystem, if
- * it is available.
- */
- mntbuf = getmntpt(filesys);
-
- /*
- * Cleared if any questions answered no. Used to decide if
- * the superblock should be marked clean.
- */
- resolved = 1;
- /*
- * 1: scan inodes tallying blocks used
- */
- if (preen == 0) {
- printf("** Last Mounted on %s\n", sblock.fs_fsmnt);
- if (mntbuf != NULL && mntbuf->f_flags & MNT_ROOTFS)
- 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 || usedsoftdep)
- 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_ffree = sblock.fs_cstotal.cs_nffree;
- n_bfree = sblock.fs_cstotal.cs_nbfree;
- pwarn("%ld files, %ld used, %ld free ",
- n_files, n_blks, n_ffree + sblock.fs_frag * n_bfree);
- printf("(%d frags, %d blocks, %.1f%% fragmentation)\n",
- n_ffree, n_bfree, n_ffree * 100.0 / sblock.fs_dsize);
- if (debug &&
- (n_files -= maxino - ROOTINO - sblock.fs_cstotal.cs_nifree))
- printf("%d files missing\n", n_files);
- if (debug) {
- n_blks += sblock.fs_ncg *
- (cgdmin(&sblock, 0) - cgsblock(&sblock, 0));
- n_blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0);
- n_blks += howmany(sblock.fs_cssize, sblock.fs_fsize);
- if (n_blks -= maxfsblock - (n_ffree + sblock.fs_frag * n_bfree))
- printf("%d blocks missing\n", n_blks);
- if (duplist != NULL) {
- printf("The following duplicate blocks remain:");
- for (dp = duplist; dp; dp = dp->next)
- printf(" %d,", dp->dup);
- printf("\n");
- }
- if (zlnhead != NULL) {
- printf("The following zero link count inodes remain:");
- for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
- printf(" %u,", zlnp->zlncnt);
- printf("\n");
- }
- }
- zlnhead = (struct zlncnt *)0;
- duplist = (struct dups *)0;
- muldup = (struct dups *)0;
- inocleanup();
- if (fsmodified) {
- sblock.fs_time = time(NULL);
- sbdirty();
- }
- if (cvtlevel && sblk.b_dirty) {
- /*
- * Write out the duplicate super blocks
- */
- for (cylno = 0; cylno < sblock.fs_ncg; cylno++)
- bwrite(fswritefd, (char *)&sblock,
- fsbtodb(&sblock, cgsblock(&sblock, cylno)), SBSIZE);
- }
- if (rerun)
- resolved = 0;
-
- /*
- * Check to see if the filesystem is mounted read-write.
- */
- if (mntbuf != NULL && (mntbuf->f_flags & MNT_RDONLY) == 0)
- resolved = 0;
- ckfini(resolved);
-
- for (cylno = 0; cylno < sblock.fs_ncg; cylno++)
- if (inostathead[cylno].il_stat != NULL)
- free((char *)inostathead[cylno].il_stat);
- free((char *)inostathead);
- inostathead = NULL;
- if (fsmodified && !preen)
- printf("\n***** FILE SYSTEM WAS MODIFIED *****\n");
- if (rerun)
- printf("\n***** PLEASE RERUN FSCK *****\n");
- if (mntbuf != NULL) {
- struct ufs_args args;
- int ret;
- /*
- * We modified a mounted filesystem. Do a mount update on
- * it unless it is read-write, so we can continue using it
- * as safely as possible.
- */
- if (mntbuf->f_flags & MNT_RDONLY) {
- args.fspec = 0;
- args.export.ex_flags = 0;
- args.export.ex_root = 0;
- ret = mount("ufs", mntbuf->f_mntonname,
- mntbuf->f_flags | MNT_UPDATE | MNT_RELOAD, &args);
- if (ret == 0)
- return (0);
- pwarn("mount reload of '%s' failed: %s\n\n",
- mntbuf->f_mntonname, strerror(errno));
- }
- if (!fsmodified)
- return (0);
- if (!preen)
- printf("\n***** REBOOT NOW *****\n");
- sync();
- return (4);
- }
- return (0);
-}
-
-/*
- * Get the directory that the device is mounted on.
- */
-static struct statfs *
-getmntpt(name)
- const char *name;
-{
- struct stat devstat, mntdevstat;
- char device[sizeof(_PATH_DEV) - 1 + MNAMELEN];
- char *devname;
- struct statfs *mntbuf;
- int i, mntsize;
-
- if (stat(name, &devstat) != 0 ||
- !(S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode)))
- return (NULL);
- mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
- for (i = 0; i < mntsize; i++) {
- if (strcmp(mntbuf[i].f_fstypename, "ufs") != 0)
- continue;
- devname = mntbuf[i].f_mntfromname;
- if (*devname != '/') {
- strcpy(device, _PATH_DEV);
- strcat(device, devname);
- devname = device;
- }
- if (stat(devname, &mntdevstat) == 0 &&
- mntdevstat.st_rdev == devstat.st_rdev)
- return (&mntbuf[i]);
- }
- return (NULL);
-}
OpenPOWER on IntegriCloud