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      1 /*	$NetBSD: pass1b.c,v 1.24 2023/01/07 19:41:29 chs Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1980, 1986, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)pass1b.c	8.4 (Berkeley) 4/28/95";
     36 #else
     37 __RCSID("$NetBSD: pass1b.c,v 1.24 2023/01/07 19:41:29 chs Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <sys/param.h>
     42 #include <sys/time.h>
     43 
     44 #include <ufs/ufs/dinode.h>
     45 #include <ufs/ffs/fs.h>
     46 
     47 #include <string.h>
     48 
     49 #include "fsck.h"
     50 #include "extern.h"
     51 #include "fsutil.h"
     52 
     53 static  struct dups *duphead;
     54 static int pass1bcheck(struct inodesc *);
     55 
     56 void
     57 pass1b(void)
     58 {
     59 	uint32_t 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 	for (c = 0; c < sblock->fs_ncg; c++) {
     70 		if (got_siginfo) {
     71 			fprintf(stderr,
     72 			    "%s: phase 1b: cyl group %d of %d (%d%%)\n",
     73 			    cdevname(), c, sblock->fs_ncg,
     74 			    c * 100 / sblock->fs_ncg);
     75 			got_siginfo = 0;
     76 		}
     77 #ifdef PROGRESS
     78 		progress_bar(cdevname(), "phase 1b", c, sblock->fs_ncg);
     79 #endif /* PROGRESS */
     80 		for (i = 0; i < sblock->fs_ipg; i++, inumber++) {
     81 			if (inumber < UFS_ROOTINO)
     82 				continue;
     83 			dp = ginode(inumber);
     84 			if (dp == NULL)
     85 				continue;
     86 			idesc.id_number = inumber;
     87 			idesc.id_uid = iswap32(DIP(dp, uid));
     88 			idesc.id_gid = iswap32(DIP(dp, gid));
     89 			if (inoinfo(inumber)->ino_state != USTATE &&
     90 			    (ckinode(dp, &idesc) & STOP))
     91 				return;
     92 		}
     93 	}
     94 #ifdef PROGRESS
     95 	progress_done();
     96 #endif /* PROGRESS */
     97 }
     98 
     99 static int
    100 pass1bcheck(struct inodesc *idesc)
    101 {
    102 	struct dups *dlp;
    103 	int nfrags, res = KEEPON;
    104 	daddr_t blkno = idesc->id_blkno;
    105 
    106 	for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
    107 		if (chkrange(blkno, 1))
    108 			res = SKIP;
    109 		for (dlp = duphead; dlp; dlp = dlp->next) {
    110 			if (dlp->dup == blkno) {
    111 				blkerror(idesc->id_number, "DUP", blkno);
    112 				dlp->dup = duphead->dup;
    113 				duphead->dup = blkno;
    114 				duphead = duphead->next;
    115 			}
    116 			if (dlp == muldup)
    117 				break;
    118 		}
    119 		if (muldup == 0 || duphead == muldup->next)
    120 			return (STOP);
    121 	}
    122 	return (res);
    123 }
    124