root/sbin/fsck_ffs/pass1b.c
/*      $NetBSD: pass1b.c,v 1.24 2023/01/07 19:41:29 chs 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.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)pass1b.c    8.4 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: pass1b.c,v 1.24 2023/01/07 19:41:29 chs Exp $");
#endif
#endif /* not lint */

#include <sys/param.h>
#include <sys/time.h>

#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>

#include <string.h>

#include "fsck.h"
#include "extern.h"
#include "fsutil.h"

static  struct dups *duphead;
static int pass1bcheck(struct inodesc *);

void
pass1b(void)
{
        uint32_t c, i;
        union dinode *dp;
        struct inodesc idesc;
        ino_t inumber;

        memset(&idesc, 0, sizeof(struct inodesc));
        idesc.id_type = ADDR;
        idesc.id_func = pass1bcheck;
        duphead = duplist;
        inumber = 0;
        for (c = 0; c < sblock->fs_ncg; c++) {
                if (got_siginfo) {
                        fprintf(stderr,
                            "%s: phase 1b: cyl group %d of %d (%d%%)\n",
                            cdevname(), c, sblock->fs_ncg,
                            c * 100 / sblock->fs_ncg);
                        got_siginfo = 0;
                }
#ifdef PROGRESS
                progress_bar(cdevname(), "phase 1b", c, sblock->fs_ncg);
#endif /* PROGRESS */
                for (i = 0; i < sblock->fs_ipg; i++, inumber++) {
                        if (inumber < UFS_ROOTINO)
                                continue;
                        dp = ginode(inumber);
                        if (dp == NULL)
                                continue;
                        idesc.id_number = inumber;
                        idesc.id_uid = iswap32(DIP(dp, uid));
                        idesc.id_gid = iswap32(DIP(dp, gid));
                        if (inoinfo(inumber)->ino_state != USTATE &&
                            (ckinode(dp, &idesc) & STOP))
                                return;
                }
        }
#ifdef PROGRESS
        progress_done();
#endif /* PROGRESS */
}

static int
pass1bcheck(struct inodesc *idesc)
{
        struct dups *dlp;
        int nfrags, res = KEEPON;
        daddr_t blkno = idesc->id_blkno;

        for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
                if (chkrange(blkno, 1))
                        res = SKIP;
                for (dlp = duphead; dlp; dlp = dlp->next) {
                        if (dlp->dup == blkno) {
                                blkerror(idesc->id_number, "DUP", blkno);
                                dlp->dup = duphead->dup;
                                duphead->dup = blkno;
                                duphead = duphead->next;
                        }
                        if (dlp == muldup)
                                break;
                }
                if (muldup == 0 || duphead == muldup->next)
                        return (STOP);
        }
        return (res);
}