Macintosh-Tools
/
hfsutils
mirror of https://github.com/JotaRandom/hfsutils.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
hfsutils/hfsck/ck_mdb.c

235 lines
6.2 KiB
C
Raw Blame History

/*
* hfsck - tool for checking and repairing the integrity of HFS volumes
* Copyright (C) 1996-1998 Robert Leslie
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: ck_mdb.c,v 1.8 1998/04/11 08:27:07 rob Exp $
*/
# include <stdio.h>
# include <string.h>
# include <time.h>
# include "hfsck.h"
# include "util.h"
# include "ck_mdb.h"
/*
* NAME: ck->mdb()
* DESCRIPTION: verify/repair the master directory block
*/
int ck_mdb(hfsvol *vol)
{
MDB *mdb = &vol->mdb;
time_t now;
printf("*** Checking volume MDB\n");
if (VERBOSE)
{
int flag;
printf(" drSigWord = 0x%04x\n", mdb->drSigWord);
printf(" drCrDate = %s\n", mctime(mdb->drCrDate));
printf(" drLsMod = %s\n", mctime(mdb->drLsMod));
printf(" drAtrb =");
flag = 0;
if (mdb->drAtrb & HFS_ATRB_BUSY)
{
printf("%s BUSY", flag ? " |" : "");
flag = 1;
}
if (mdb->drAtrb & HFS_ATRB_HLOCKED)
{
printf("%s HLOCKED", flag ? " |" : "");
flag = 1;
}
if (mdb->drAtrb & HFS_ATRB_UMOUNTED)
{
printf("%s UMOUNTED", flag ? " |" : "");
flag = 1;
}
if (mdb->drAtrb & HFS_ATRB_BBSPARED)
{
printf("%s BBSPARED", flag ? " |" : "");
flag = 1;
}
if (mdb->drAtrb & HFS_ATRB_BVINCONSIS)
{
printf("%s BVINCONSIS", flag ? " |" : "");
flag = 1;
}
if (mdb->drAtrb & HFS_ATRB_COPYPROT)
{
printf("%s COPYPROT", flag ? " |" : "");
flag = 1;
}
if (mdb->drAtrb & HFS_ATRB_SLOCKED)
{
printf("%s SLOCKED", flag ? " |" : "");
flag = 1;
}
if (flag == 0)
printf(" 0");
printf("\n");
printf(" drNmFls = %u\n", mdb->drNmFls);
printf(" drVBMSt = %u\n", mdb->drVBMSt);
printf(" drAllocPtr = %u\n", mdb->drAllocPtr);
printf(" drNmAlBlks = %u\n", mdb->drNmAlBlks);
printf(" drAlBlkSiz = %lu\n", mdb->drAlBlkSiz);
printf(" drClpSiz = %lu\n", mdb->drClpSiz);
printf(" drAlBlSt = %u\n", mdb->drAlBlSt);
printf(" drNxtCNID = %lu\n", mdb->drNxtCNID);
printf(" drFreeBks = %u\n", mdb->drFreeBks);
printf(" drVN = \"%s\"\n", mdb->drVN);
printf(" drVolBkUp = %s\n", mctime(mdb->drVolBkUp));
printf(" drVSeqNum = %u\n", mdb->drVSeqNum);
printf(" drWrCnt = %lu\n", mdb->drWrCnt);
printf(" drXTClpSiz = %lu\n", mdb->drXTClpSiz);
printf(" drCTClpSiz = %lu\n", mdb->drCTClpSiz);
printf(" drNmRtDirs = %u\n", mdb->drNmRtDirs);
printf(" drFilCnt = %lu\n", mdb->drFilCnt);
printf(" drDirCnt = %lu\n", mdb->drDirCnt);
/* drFndrInfo */
printf(" drEmbedSigWord = 0x%04x\n", mdb->drEmbedSigWord);
printf(" drEmbedExtent = %s\n", extstr(&mdb->drEmbedExtent));
printf(" drXTFlSize = %lu\n", mdb->drXTFlSize);
printf(" drXTExtRec = %s\n", extrecstr(&mdb->drXTExtRec));
printf(" drCTFlSize = %lu\n", mdb->drCTFlSize);
printf(" drCTExtRec = %s\n", extrecstr(&mdb->drCTExtRec));
}
/* mdb->drSigWord */
if (mdb->drSigWord != HFS_SIGWORD &&
ask("Bad volume signature (0x%04x); should be 0x%04x",
mdb->drSigWord, HFS_SIGWORD))
{
mdb->drSigWord = HFS_SIGWORD;
vol->flags |= HFS_VOL_UPDATE_MDB;
}
/* mdb->drCrDate */
time(&now);
if (mdb->drCrDate == 0 &&
ask("Volume creation date is unset"))
{
mdb->drCrDate = d_mtime(now);
vol->flags |= HFS_VOL_UPDATE_MDB;
}
if (d_ltime(mdb->drCrDate) > now &&
ask("Volume creation date is in the future (%s)", mctime(mdb->drCrDate)))
{
mdb->drCrDate = d_mtime(now);
vol->flags |= HFS_VOL_UPDATE_MDB;
}
/* mdb->drLsMod */
if (mdb->drLsMod == 0 &&
ask("Volume last modify date is unset"))
{
mdb->drLsMod = mdb->drCrDate;
vol->flags |= HFS_VOL_UPDATE_MDB;
}
if (d_ltime(mdb->drLsMod) > now &&
ask("Volume last modify date is in the future (%s)",
mctime(mdb->drLsMod)))
{
mdb->drLsMod = d_mtime(now);
vol->flags |= HFS_VOL_UPDATE_MDB;
}
if (mdb->drLsMod < mdb->drCrDate &&
ask("Volume last modify date is before volume creation"))
{
mdb->drLsMod = mdb->drCrDate;
vol->flags |= HFS_VOL_UPDATE_MDB;
}
/* mdb->drAtrb */
/* mdb->drNmFls */
/* mdb->drVBMSt */
if (mdb->drVBMSt != 3 &&
ask("Volume bitmap starts at unusual location (%u), not 3"))
{
mdb->drVBMSt = 3;
vol->flags |= HFS_VOL_UPDATE_MDB;
}
/* mdb->drAllocPtr */
/* ... */
/* initialize other important fields */
vol->lpa = vol->mdb.drAlBlkSiz >> HFS_BLOCKSZ_BITS;
/* extents pseudo-file structs */
vol->ext.f.cat.u.fil.filStBlk = vol->mdb.drXTExtRec[0].xdrStABN;
vol->ext.f.cat.u.fil.filLgLen = vol->mdb.drXTFlSize;
vol->ext.f.cat.u.fil.filPyLen = vol->mdb.drXTFlSize;
vol->ext.f.cat.u.fil.filCrDat = vol->mdb.drCrDate;
vol->ext.f.cat.u.fil.filMdDat = vol->mdb.drLsMod;
vol->ext.f.cat.u.fil.filClpSize = vol->mdb.drXTClpSiz;
memcpy(&vol->ext.f.cat.u.fil.filExtRec,
&vol->mdb.drXTExtRec, sizeof(ExtDataRec));
f_selectfork(&vol->ext.f, fkData);
/* catalog pseudo-file structs */
vol->cat.f.cat.u.fil.filStBlk = vol->mdb.drCTExtRec[0].xdrStABN;
vol->cat.f.cat.u.fil.filLgLen = vol->mdb.drCTFlSize;
vol->cat.f.cat.u.fil.filPyLen = vol->mdb.drCTFlSize;
vol->cat.f.cat.u.fil.filCrDat = vol->mdb.drCrDate;
vol->cat.f.cat.u.fil.filMdDat = vol->mdb.drLsMod;
vol->cat.f.cat.u.fil.filClpSize = vol->mdb.drCTClpSiz;
memcpy(&vol->cat.f.cat.u.fil.filExtRec,
&vol->mdb.drCTExtRec, sizeof(ExtDataRec));
f_selectfork(&vol->cat.f, fkData);
return 0;
}
Reference in New Issue View Git Blame Copy Permalink