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https://github.com/autc04/Retro68.git
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235 lines
6.2 KiB
C
235 lines
6.2 KiB
C
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/*
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* hfsck - tool for checking and repairing the integrity of HFS volumes
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* Copyright (C) 1996-1998 Robert Leslie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: ck_mdb.c,v 1.8 1998/04/11 08:27:07 rob Exp $
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*/
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# include <stdio.h>
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# include <string.h>
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# include <time.h>
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# include "hfsck.h"
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# include "util.h"
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# include "ck_mdb.h"
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/*
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* NAME: ck->mdb()
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* DESCRIPTION: verify/repair the master directory block
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*/
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int ck_mdb(hfsvol *vol)
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{
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MDB *mdb = &vol->mdb;
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time_t now;
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printf("*** Checking volume MDB\n");
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if (VERBOSE)
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{
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int flag;
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printf(" drSigWord = 0x%04x\n", mdb->drSigWord);
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printf(" drCrDate = %s\n", mctime(mdb->drCrDate));
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printf(" drLsMod = %s\n", mctime(mdb->drLsMod));
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printf(" drAtrb =");
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flag = 0;
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if (mdb->drAtrb & HFS_ATRB_BUSY)
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{
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printf("%s BUSY", flag ? " |" : "");
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flag = 1;
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}
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if (mdb->drAtrb & HFS_ATRB_HLOCKED)
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{
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printf("%s HLOCKED", flag ? " |" : "");
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flag = 1;
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}
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if (mdb->drAtrb & HFS_ATRB_UMOUNTED)
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{
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printf("%s UMOUNTED", flag ? " |" : "");
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flag = 1;
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}
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if (mdb->drAtrb & HFS_ATRB_BBSPARED)
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{
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printf("%s BBSPARED", flag ? " |" : "");
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flag = 1;
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}
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if (mdb->drAtrb & HFS_ATRB_BVINCONSIS)
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{
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printf("%s BVINCONSIS", flag ? " |" : "");
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flag = 1;
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}
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if (mdb->drAtrb & HFS_ATRB_COPYPROT)
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{
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printf("%s COPYPROT", flag ? " |" : "");
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flag = 1;
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}
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if (mdb->drAtrb & HFS_ATRB_SLOCKED)
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{
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printf("%s SLOCKED", flag ? " |" : "");
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flag = 1;
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}
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if (flag == 0)
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printf(" 0");
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printf("\n");
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printf(" drNmFls = %u\n", mdb->drNmFls);
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printf(" drVBMSt = %u\n", mdb->drVBMSt);
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printf(" drAllocPtr = %u\n", mdb->drAllocPtr);
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printf(" drNmAlBlks = %u\n", mdb->drNmAlBlks);
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printf(" drAlBlkSiz = %lu\n", mdb->drAlBlkSiz);
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printf(" drClpSiz = %lu\n", mdb->drClpSiz);
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printf(" drAlBlSt = %u\n", mdb->drAlBlSt);
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printf(" drNxtCNID = %lu\n", mdb->drNxtCNID);
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printf(" drFreeBks = %u\n", mdb->drFreeBks);
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printf(" drVN = \"%s\"\n", mdb->drVN);
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printf(" drVolBkUp = %s\n", mctime(mdb->drVolBkUp));
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printf(" drVSeqNum = %u\n", mdb->drVSeqNum);
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printf(" drWrCnt = %lu\n", mdb->drWrCnt);
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printf(" drXTClpSiz = %lu\n", mdb->drXTClpSiz);
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printf(" drCTClpSiz = %lu\n", mdb->drCTClpSiz);
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printf(" drNmRtDirs = %u\n", mdb->drNmRtDirs);
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printf(" drFilCnt = %lu\n", mdb->drFilCnt);
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printf(" drDirCnt = %lu\n", mdb->drDirCnt);
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/* drFndrInfo */
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printf(" drEmbedSigWord = 0x%04x\n", mdb->drEmbedSigWord);
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printf(" drEmbedExtent = %s\n", extstr(&mdb->drEmbedExtent));
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printf(" drXTFlSize = %lu\n", mdb->drXTFlSize);
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printf(" drXTExtRec = %s\n", extrecstr(&mdb->drXTExtRec));
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printf(" drCTFlSize = %lu\n", mdb->drCTFlSize);
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printf(" drCTExtRec = %s\n", extrecstr(&mdb->drCTExtRec));
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}
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/* mdb->drSigWord */
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if (mdb->drSigWord != HFS_SIGWORD &&
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ask("Bad volume signature (0x%04x); should be 0x%04x",
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mdb->drSigWord, HFS_SIGWORD))
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{
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mdb->drSigWord = HFS_SIGWORD;
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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/* mdb->drCrDate */
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time(&now);
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if (mdb->drCrDate == 0 &&
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ask("Volume creation date is unset"))
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{
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mdb->drCrDate = d_mtime(now);
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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if (d_ltime(mdb->drCrDate) > now &&
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ask("Volume creation date is in the future (%s)", mctime(mdb->drCrDate)))
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{
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mdb->drCrDate = d_mtime(now);
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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/* mdb->drLsMod */
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if (mdb->drLsMod == 0 &&
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ask("Volume last modify date is unset"))
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{
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mdb->drLsMod = mdb->drCrDate;
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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if (d_ltime(mdb->drLsMod) > now &&
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ask("Volume last modify date is in the future (%s)",
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mctime(mdb->drLsMod)))
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{
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mdb->drLsMod = d_mtime(now);
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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if (mdb->drLsMod < mdb->drCrDate &&
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ask("Volume last modify date is before volume creation"))
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{
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mdb->drLsMod = mdb->drCrDate;
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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/* mdb->drAtrb */
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/* mdb->drNmFls */
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/* mdb->drVBMSt */
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if (mdb->drVBMSt != 3 &&
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ask("Volume bitmap starts at unusual location (%u), not 3"))
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{
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mdb->drVBMSt = 3;
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vol->flags |= HFS_VOL_UPDATE_MDB;
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}
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/* mdb->drAllocPtr */
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/* ... */
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/* initialize other important fields */
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vol->lpa = vol->mdb.drAlBlkSiz >> HFS_BLOCKSZ_BITS;
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/* extents pseudo-file structs */
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vol->ext.f.cat.u.fil.filStBlk = vol->mdb.drXTExtRec[0].xdrStABN;
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vol->ext.f.cat.u.fil.filLgLen = vol->mdb.drXTFlSize;
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vol->ext.f.cat.u.fil.filPyLen = vol->mdb.drXTFlSize;
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vol->ext.f.cat.u.fil.filCrDat = vol->mdb.drCrDate;
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vol->ext.f.cat.u.fil.filMdDat = vol->mdb.drLsMod;
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vol->ext.f.cat.u.fil.filClpSize = vol->mdb.drXTClpSiz;
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memcpy(&vol->ext.f.cat.u.fil.filExtRec,
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&vol->mdb.drXTExtRec, sizeof(ExtDataRec));
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f_selectfork(&vol->ext.f, fkData);
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/* catalog pseudo-file structs */
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vol->cat.f.cat.u.fil.filStBlk = vol->mdb.drCTExtRec[0].xdrStABN;
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vol->cat.f.cat.u.fil.filLgLen = vol->mdb.drCTFlSize;
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vol->cat.f.cat.u.fil.filPyLen = vol->mdb.drCTFlSize;
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vol->cat.f.cat.u.fil.filCrDat = vol->mdb.drCrDate;
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vol->cat.f.cat.u.fil.filMdDat = vol->mdb.drLsMod;
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vol->cat.f.cat.u.fil.filClpSize = vol->mdb.drCTClpSiz;
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memcpy(&vol->cat.f.cat.u.fil.filExtRec,
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&vol->mdb.drCTExtRec, sizeof(ExtDataRec));
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f_selectfork(&vol->cat.f, fkData);
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return 0;
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}
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