1 /* $OpenBSD: pass1b.c,v 1.19 2013/06/11 16:42:04 deraadt Exp $ */ 2 /* $NetBSD: pass1b.c,v 1.10 1996/09/23 16:18:37 christos Exp $ */ 3 4 /* 5 * Copyright (c) 1980, 1986, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/time.h> 35 #include <ufs/ufs/dinode.h> 36 #include <ufs/ffs/fs.h> 37 38 #include <stdio.h> 39 #include <string.h> 40 #include "fsck.h" 41 #include "extern.h" 42 43 static int pass1bcheck(struct inodesc *); 44 static struct dups *duphead; 45 46 static ino_t info_inumber; 47 48 static int 49 pass1b_info(char *buf, size_t buflen) 50 { 51 return (snprintf(buf, buflen, "phase 1b, inode %llu/%llu", 52 (unsigned long long)info_inumber, 53 (unsigned long long)sblock.fs_ipg * sblock.fs_ncg) > 0); 54 } 55 56 void 57 pass1b(void) 58 { 59 int c, i; 60 union dinode *dp; 61 struct inodesc idesc; 62 ino_t inumber; 63 64 memset(&idesc, 0, sizeof(struct inodesc)); 65 idesc.id_type = ADDR; 66 idesc.id_func = pass1bcheck; 67 duphead = duplist; 68 inumber = 0; 69 info_fn = pass1b_info; 70 for (c = 0; c < sblock.fs_ncg; c++) { 71 for (i = 0; i < sblock.fs_ipg; i++, inumber++) { 72 info_inumber = inumber; 73 if (inumber < ROOTINO) 74 continue; 75 dp = ginode(inumber); 76 if (dp == NULL) 77 continue; 78 idesc.id_number = inumber; 79 if (GET_ISTATE(inumber) != USTATE && 80 (ckinode(dp, &idesc) & STOP)) 81 return; 82 } 83 } 84 info_fn = NULL; 85 } 86 87 static int 88 pass1bcheck(struct inodesc *idesc) 89 { 90 struct dups *dlp; 91 int nfrags, res = KEEPON; 92 daddr_t blkno = idesc->id_blkno; 93 94 for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { 95 if (chkrange(blkno, 1)) 96 res = SKIP; 97 for (dlp = duphead; dlp; dlp = dlp->next) { 98 if (dlp->dup == blkno) { 99 blkerror(idesc->id_number, "DUP", blkno); 100 dlp->dup = duphead->dup; 101 duphead->dup = blkno; 102 duphead = duphead->next; 103 } 104 if (dlp == muldup) 105 break; 106 } 107 if (muldup == 0 || duphead == muldup->next) 108 return (STOP); 109 } 110 return (res); 111 } 112