1219019Sgabor/* 2219019Sgabor * Copyright (c) 1980, 1986, 1993 3219019Sgabor * The Regents of the University of California. All rights reserved. 4219019Sgabor * 5219019Sgabor * Redistribution and use in source and binary forms, with or without 6219019Sgabor * modification, are permitted provided that the following conditions 7219019Sgabor * are met: 8219019Sgabor * 1. Redistributions of source code must retain the above copyright 9219019Sgabor * notice, this list of conditions and the following disclaimer. 10219019Sgabor * 2. Redistributions in binary form must reproduce the above copyright 11219019Sgabor * notice, this list of conditions and the following disclaimer in the 12219019Sgabor * documentation and/or other materials provided with the distribution. 13219019Sgabor * 4. Neither the name of the University nor the names of its contributors 14219019Sgabor * may be used to endorse or promote products derived from this software 15219019Sgabor * without specific prior written permission. 16219019Sgabor * 17219019Sgabor * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18219019Sgabor * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19219019Sgabor * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20219019Sgabor * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21219019Sgabor * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22219019Sgabor * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23219019Sgabor * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24219019Sgabor * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25219019Sgabor * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26219019Sgabor * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27219019Sgabor * SUCH DAMAGE. 28219019Sgabor */ 29219019Sgabor 30219019Sgabor#if 0 31219019Sgabor#ifndef lint 32219019Sgaborstatic const char copyright[] = 33219019Sgabor"@(#) Copyright (c) 1980, 1986, 1993\n\ 34219019Sgabor The Regents of the University of California. All rights reserved.\n"; 35219019Sgabor#endif /* not lint */ 36219019Sgabor 37219019Sgabor#ifndef lint 38219019Sgaborstatic char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/14/95"; 39219019Sgabor#endif /* not lint */ 40219019Sgabor#endif 41219019Sgabor#include <sys/cdefs.h> 42219019Sgabor__FBSDID("$FreeBSD: stable/10/sbin/fsck_ffs/globs.c 307536 2016-10-17 22:34:41Z mckusick $"); 43219019Sgabor 44219019Sgabor#include <sys/param.h> 45219019Sgabor#include <ufs/ufs/dinode.h> 46219019Sgabor#include <ufs/ffs/fs.h> 47219019Sgabor#include <string.h> 48219019Sgabor#include "fsck.h" 49219019Sgabor 50219019Sgaborlong readcnt[BT_NUMBUFTYPES]; 51219019Sgaborlong totalreadcnt[BT_NUMBUFTYPES]; 52219019Sgaborstruct timespec readtime[BT_NUMBUFTYPES]; 53219019Sgaborstruct timespec totalreadtime[BT_NUMBUFTYPES]; 54219019Sgaborstruct timespec startprog; 55219019Sgaborstruct bufarea sblk; /* file system superblock */ 56219019Sgaborstruct bufarea *pdirbp; /* current directory contents */ 57219019Sgaborstruct bufarea *pbp; /* current inode block */ 58219019Sgaborino_t cursnapshot; 59219019Sgaborlong numdirs, dirhash, listmax, inplast; 60219019Sgaborlong countdirs; /* number of directories we actually found */ 61219019Sgaborint adjrefcnt[MIBSIZE]; /* MIB command to adjust inode reference cnt */ 62219019Sgaborint adjblkcnt[MIBSIZE]; /* MIB command to adjust inode block count */ 63219019Sgaborint adjndir[MIBSIZE]; /* MIB command to adjust number of directories */ 64219019Sgaborint adjnbfree[MIBSIZE]; /* MIB command to adjust number of free blocks */ 65219019Sgaborint adjnifree[MIBSIZE]; /* MIB command to adjust number of free inodes */ 66219019Sgaborint adjnffree[MIBSIZE]; /* MIB command to adjust number of free frags */ 67219019Sgaborint adjnumclusters[MIBSIZE]; /* MIB command to adjust number of free clusters */ 68219019Sgaborint freefiles[MIBSIZE]; /* MIB command to free a set of files */ 69219019Sgaborint freedirs[MIBSIZE]; /* MIB command to free a set of directories */ 70219019Sgaborint freeblks[MIBSIZE]; /* MIB command to free a set of data blocks */ 71219019Sgaborstruct fsck_cmd cmd; /* sysctl file system update commands */ 72219019Sgaborchar snapname[BUFSIZ]; /* when doing snapshots, the name of the file */ 73219019Sgaborchar *cdevname; /* name of device being checked */ 74219019Sgaborlong dev_bsize; /* computed value of DEV_BSIZE */ 75219019Sgaborlong secsize; /* actual disk sector size */ 76219019Sgaboru_int real_dev_bsize; /* actual disk sector size, not overridden */ 77219019Sgaborchar nflag; /* assume a no response */ 78219019Sgaborchar yflag; /* assume a yes response */ 79219019Sgaborint bkgrdflag; /* use a snapshot to run on an active system */ 80219019Sgaborufs2_daddr_t bflag; /* location of alternate super block */ 81219019Sgaborint debug; /* output debugging info */ 82219019Sgaborint Eflag; /* delete empty data blocks */ 83219019Sgaborint Zflag; /* zero empty data blocks */ 84219019Sgaborint inoopt; /* trim out unused inodes */ 85219019Sgaborchar ckclean; /* only do work if not cleanly unmounted */ 86219019Sgaborint cvtlevel; /* convert to newer file system format */ 87219019Sgaborint bkgrdcheck; /* determine if background check is possible */ 88219019Sgaborint bkgrdsumadj; /* whether the kernel have ability to adjust superblock summary */ 89219019Sgaborchar usedsoftdep; /* just fix soft dependency inconsistencies */ 90219019Sgaborchar preen; /* just fix normal inconsistencies */ 91219019Sgaborchar rerun; /* rerun fsck. Only used in non-preen mode */ 92219019Sgaborint returntosingle; /* 1 => return to single user mode on exit */ 93219019Sgaborchar resolved; /* cleared if unresolved changes => not clean */ 94219019Sgaborchar havesb; /* superblock has been read */ 95219019Sgaborchar skipclean; /* skip clean file systems if preening */ 96219019Sgaborint fsmodified; /* 1 => write done to file system */ 97219019Sgaborint fsreadfd; /* file descriptor for reading file system */ 98219019Sgaborint fswritefd; /* file descriptor for writing file system */ 99219019Sgaborint surrender; /* Give up if reads fail */ 100219019Sgaborint wantrestart; /* Restart fsck on early termination */ 101219019Sgaborufs2_daddr_t maxfsblock; /* number of blocks in the file system */ 102219019Sgaborchar *blockmap; /* ptr to primary blk allocation map */ 103219019Sgaborino_t maxino; /* number of inodes in file system */ 104219019Sgaborino_t lfdir; /* lost & found directory inode number */ 105219019Sgaborconst char *lfname; /* lost & found directory name */ 106219019Sgaborint lfmode; /* lost & found directory creation mode */ 107219019Sgaborufs2_daddr_t n_blks; /* number of blocks in use */ 108219019Sgaborino_t n_files; /* number of files in use */ 109219019Sgaborvolatile sig_atomic_t got_siginfo; /* received a SIGINFO */ 110219019Sgaborvolatile sig_atomic_t got_sigalarm; /* received a SIGALRM */ 111219019Sgaborstruct ufs1_dinode ufs1_zino; 112219019Sgaborstruct ufs2_dinode ufs2_zino; 113219019Sgabor 114219019Sgaborvoid 115219019Sgaborfsckinit(void) 116219019Sgabor{ 117219019Sgabor bzero(readcnt, sizeof(long) * BT_NUMBUFTYPES); 118219019Sgabor bzero(totalreadcnt, sizeof(long) * BT_NUMBUFTYPES); 119219019Sgabor bzero(readtime, sizeof(struct timespec) * BT_NUMBUFTYPES); 120219019Sgabor bzero(totalreadtime, sizeof(struct timespec) * BT_NUMBUFTYPES); 121219019Sgabor bzero(&startprog, sizeof(struct timespec));; 122219019Sgabor bzero(&sblk, sizeof(struct bufarea)); 123219019Sgabor pdirbp = NULL; 124219019Sgabor pbp = NULL; 125219019Sgabor cursnapshot = 0; 126219019Sgabor numdirs = dirhash = listmax = inplast = 0; 127219019Sgabor countdirs = 0; 128219019Sgabor bzero(adjrefcnt, sizeof(int) * MIBSIZE); 129219019Sgabor bzero(adjblkcnt, sizeof(int) * MIBSIZE); 130219019Sgabor bzero(adjndir, sizeof(int) * MIBSIZE); 131219019Sgabor bzero(adjnbfree, sizeof(int) * MIBSIZE); 132219019Sgabor bzero(adjnifree, sizeof(int) * MIBSIZE); 133219019Sgabor bzero(adjnffree, sizeof(int) * MIBSIZE); 134219019Sgabor bzero(adjnumclusters, sizeof(int) * MIBSIZE); 135219019Sgabor bzero(freefiles, sizeof(int) * MIBSIZE); 136219019Sgabor bzero(freedirs, sizeof(int) * MIBSIZE); 137219019Sgabor bzero(freeblks, sizeof(int) * MIBSIZE); 138219019Sgabor bzero(&cmd, sizeof(struct fsck_cmd)); 139219019Sgabor bzero(snapname, sizeof(char) * BUFSIZ); 140219019Sgabor cdevname = NULL; 141219019Sgabor dev_bsize = 0; 142219019Sgabor secsize = 0; 143219019Sgabor real_dev_bsize = 0; 144219019Sgabor bkgrdsumadj = 0; 145219019Sgabor usedsoftdep = 0; 146219019Sgabor rerun = 0; 147219019Sgabor returntosingle = 0; 148219019Sgabor resolved = 0; 149219019Sgabor havesb = 0; 150219019Sgabor fsmodified = 0; 151219019Sgabor fsreadfd = 0; 152219019Sgabor fswritefd = 0; 153219019Sgabor maxfsblock = 0; 154219019Sgabor blockmap = NULL; 155219019Sgabor maxino = 0; 156219019Sgabor lfdir = 0; 157219019Sgabor lfname = "lost+found"; 158219019Sgabor lfmode = 0700; 159260264Sdim n_blks = 0; 160219019Sgabor n_files = 0; 161219019Sgabor got_siginfo = 0; 162219019Sgabor got_sigalarm = 0; 163219019Sgabor bzero(&ufs1_zino, sizeof(struct ufs1_dinode)); 164219019Sgabor bzero(&ufs2_zino, sizeof(struct ufs2_dinode)); 165219019Sgabor} 166219019Sgabor