271 lines
9.6 KiB
C
271 lines
9.6 KiB
C
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#include <nt.h>
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#include <stdio.h>
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#include <string.h>
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// ----------------------joejoe-----------found-------------#include "RxProcs.h"
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#include "precomp.h"
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#pragma hdrstop
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UCHAR CompressedBuffer[0x8000];
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UCHAR UncompressedBuffer[0x8000];
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VOID
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DsDumpSyntax (
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PCHAR argv0
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)
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{
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printf("Syntax - %s -h <FileName>\n", argv0);
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printf(" %s -c <FileName> [0x]<Offset> [0x]<DecompressedLength> [0x]<CompressedLength> [<OutputFile>]\n", argv0);
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printf(" %s -d <FileName> [0x]<Offset> [0x]<CompressedLength> [0x]<DecompressedLength> [<OutputFile>]\n", argv0);
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return;
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}
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VOID
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DumpHeader (
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ULONG argc,
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PCHAR argv[],
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FILE *pf
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)
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{
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ULONG FileSize;
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PACKED_CVF_HEADER PackedCvfHeader;
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CVF_HEADER CvfHeader;
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CVF_LAYOUT CvfLayout;
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//
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// Get the file size
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//
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(VOID)fseek( pf, 0, SEEK_END );
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FileSize = ftell( pf );
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//
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// Read in and decode the cvf header
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//
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(VOID)fseek( pf, 0, SEEK_SET );
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(VOID)fread( &PackedCvfHeader, 1, sizeof(PACKED_CVF_HEADER), pf );
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CvfUnpackCvfHeader( &CvfHeader, &PackedCvfHeader );
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//
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// Now compute the cvf layout
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//
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CvfLayout( &CvfLayout, &CvfHeader, FileSize );
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//
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// Print the unpacked CvfHeader and the Layout
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//
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fprintf(stderr, "\n%s:\n", argv[2]);
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printf("\n");
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printf("CvfHeader.Bpb.BytesPerSector = %08lx\n", CvfHeader.Bpb.BytesPerSector);
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printf("CvfHeader.Bpb.SectorsPerCluster = %08lx\n", CvfHeader.Bpb.SectorsPerCluster);
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printf("CvfHeader.Bpb.ReservedSectors = %08lx\n", CvfHeader.Bpb.ReservedSectors);
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printf("CvfHeader.Bpb.Rxs = %08lx\n", CvfHeader.Bpb.Rxs);
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printf("CvfHeader.Bpb.RootEntries = %08lx\n", CvfHeader.Bpb.RootEntries);
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printf("CvfHeader.Bpb.Sectors = %08lx\n", CvfHeader.Bpb.Sectors);
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printf("CvfHeader.Bpb.Media = %08lx\n", CvfHeader.Bpb.Media);
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printf("CvfHeader.Bpb.SectorsPerRx = %08lx\n", CvfHeader.Bpb.SectorsPerRx);
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printf("CvfHeader.Bpb.SectorsPerTrack = %08lx\n", CvfHeader.Bpb.SectorsPerTrack);
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printf("CvfHeader.Bpb.Heads = %08lx\n", CvfHeader.Bpb.Heads);
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printf("CvfHeader.Bpb.HiddenSectors = %08lx\n", CvfHeader.Bpb.HiddenSectors);
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printf("CvfHeader.Bpb.LargeSectors = %08lx\n", CvfHeader.Bpb.LargeSectors);
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printf("\n");
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printf("CvfHeader.CvfRxExtensionsLbnMinus1 = %08lx\n", CvfHeader.CvfRxExtensionsLbnMinus1);
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printf("CvfHeader.LogOfBytesPerSector = %08lx\n", CvfHeader.LogOfBytesPerSector);
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printf("CvfHeader.DosBootSectorLbn = %08lx\n", CvfHeader.DosBootSectorLbn);
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printf("CvfHeader.DosRootDirectoryOffset = %08lx\n", CvfHeader.DosRootDirectoryOffset);
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printf("CvfHeader.CvfHeapOffset = %08lx\n", CvfHeader.CvfHeapOffset);
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printf("CvfHeader.CvfRxFirstDataEntry = %08lx\n", CvfHeader.CvfRxFirstDataEntry);
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printf("CvfHeader.CvfBitmap2KSize = %08lx\n", CvfHeader.CvfBitmap2KSize);
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printf("CvfHeader.LogOfSectorsPerCluster = %08lx\n", CvfHeader.LogOfSectorsPerCluster);
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printf("CvfHeader.Is12BitRx = %08lx\n", CvfHeader.Is12BitRx);
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printf("CvfHeader.CvfMaximumCapacity = %08lx\n", CvfHeader.CvfMaximumCapacity);
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printf("\n");
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printf(" Lbo Allocation Size\n");
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printf("CvfLayout.CvfHeader = %08lx %08lx %08lx\n",CvfLayout.CvfHeader.Lbo, CvfLayout.CvfHeader.Allocation, CvfLayout.CvfHeader.Size );
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printf("CvfLayout.CvfBitmap = %08lx %08lx %08lx\n",CvfLayout.CvfBitmap.Lbo, CvfLayout.CvfBitmap.Allocation, CvfLayout.CvfBitmap.Size );
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printf("CvfLayout.CvfReservedArea1 = %08lx %08lx %08lx\n",CvfLayout.CvfReservedArea1.Lbo, CvfLayout.CvfReservedArea1.Allocation, CvfLayout.CvfReservedArea1.Size );
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printf("CvfLayout.CvfRxExtensions = %08lx %08lx %08lx\n",CvfLayout.CvfRxExtensions.Lbo, CvfLayout.CvfRxExtensions.Allocation, CvfLayout.CvfRxExtensions.Size );
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printf("CvfLayout.CvfReservedArea2 = %08lx %08lx %08lx\n",CvfLayout.CvfReservedArea2.Lbo, CvfLayout.CvfReservedArea2.Allocation, CvfLayout.CvfReservedArea2.Size );
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printf("CvfLayout.DosBootSector = %08lx %08lx %08lx\n",CvfLayout.DosBootSector.Lbo, CvfLayout.DosBootSector.Allocation, CvfLayout.DosBootSector.Size );
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printf("CvfLayout.CvfReservedArea3 = %08lx %08lx %08lx\n",CvfLayout.CvfReservedArea3.Lbo, CvfLayout.CvfReservedArea3.Allocation, CvfLayout.CvfReservedArea3.Size );
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printf("CvfLayout.DosRx = %08lx %08lx %08lx\n",CvfLayout.DosRx.Lbo, CvfLayout.DosRx.Allocation, CvfLayout.DosRx.Size );
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printf("CvfLayout.DosRootDirectory = %08lx %08lx %08lx\n",CvfLayout.DosRootDirectory.Lbo, CvfLayout.DosRootDirectory.Allocation, CvfLayout.DosRootDirectory.Size );
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printf("CvfLayout.CvfReservedArea4 = %08lx %08lx %08lx\n",CvfLayout.CvfReservedArea4.Lbo, CvfLayout.CvfReservedArea4.Allocation, CvfLayout.CvfReservedArea4.Size );
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printf("CvfLayout.CvfHeap = %08lx %08lx %08lx\n",CvfLayout.CvfHeap.Lbo, CvfLayout.CvfHeap.Allocation, CvfLayout.CvfHeap.Size );
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printf("CvfLayout.CvfReservedArea5 = %08lx %08lx %08lx\n",CvfLayout.CvfReservedArea5.Lbo, CvfLayout.CvfReservedArea5.Allocation, CvfLayout.CvfReservedArea5.Size );
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//
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// Read in and print the Cvf Rx Extensions that are in use
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//
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{
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ULONG i;
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CVF_RDBSS_EXTENSIONS Entry;
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BOOLEAN FirstTime = TRUE;
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for (i = 0; i < CvfLayout.CvfRxExtensions.Size; i += sizeof(CVF_RDBSS_EXTENSIONS)) {
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(VOID)fseek( pf, CvfLayout.CvfRxExtensions.Lbo + i, SEEK_SET );
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(VOID)fread( &Entry, 1, sizeof(CVF_RDBSS_EXTENSIONS), pf );
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if (Entry.IsEntryInUse) {
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if (FirstTime) {
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FirstTime = FALSE;
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printf("\n");
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printf(" Entry CvfHeap Compressed Uncompressed IsData\n");
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printf(" Offset Lbo Length Length Compressed\n");
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}
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printf("%08lx %08lx %8lx %8lx %8lx\n", i,
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(Entry.CvfHeapLbnMinus1+1) * CvfHeader.Bpb.BytesPerSector,
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(Entry.CompressedSectorLengthMinus1+1) * CvfHeader.Bpb.BytesPerSector,
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(Entry.UncompressedSectorLengthMinus1+1) * CvfHeader.Bpb.BytesPerSector,
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Entry.IsDataUncompressed );
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}
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}
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}
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}
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VOID
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Decompress (
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ULONG argc,
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PCHAR argv[],
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FILE *pf
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)
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{
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ULONG Offset;
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ULONG CompressedCount;
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ULONG UncompressedCount;
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if (argc < 6) {
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DsDumpSyntax(argv[0]);
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return;
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}
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sscanf( argv[3], strncmp( argv[3], "0x", 2 ) ? "%ld" : "%lx", &Offset );
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sscanf( argv[4], strncmp( argv[4], "0x", 2 ) ? "%ld" : "%lx", &CompressedCount );
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sscanf( argv[5], strncmp( argv[5], "0x", 2 ) ? "%ld" : "%lx", &UncompressedCount );
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if (argc == 7) { freopen( argv[6], "wb", stdout ); }
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//
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// Print the file name
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//
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fprintf(stderr, "\n%s:\n", argv[2]);
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fseek( pf, Offset, SEEK_SET );
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(VOID)fread( CompressedBuffer, 1, CompressedCount, pf );
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{
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MRCF_DECOMPRESS WorkSpace;
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ULONG UncompressedLength;
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UncompressedLength = MrcfDecompress( UncompressedBuffer,
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UncompressedCount,
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CompressedBuffer,
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CompressedCount,
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&WorkSpace );
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fprintf(stderr, "UncompressedLength = %d\n", UncompressedLength);
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fwrite( UncompressedBuffer, 1, UncompressedLength, stdout );
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}
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}
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VOID
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Compress (
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ULONG argc,
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PCHAR argv[],
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FILE *pf
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)
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{
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ULONG Offset;
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ULONG CompressedCount;
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ULONG UncompressedCount;
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if (argc < 6) {
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DsDumpSyntax(argv[0]);
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return;
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}
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sscanf( argv[3], strncmp( argv[3], "0x", 2 ) ? "%ld" : "%lx", &Offset );
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sscanf( argv[4], strncmp( argv[4], "0x", 2 ) ? "%ld" : "%lx", &UncompressedCount );
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sscanf( argv[4], strncmp( argv[4], "0x", 2 ) ? "%ld" : "%lx", &CompressedCount );
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if (argc == 7) { freopen( argv[6], "wb", stdout ); }
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//
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// Print the file name
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//
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fprintf(stderr, "\n%s:\n", argv[2]);
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fseek( pf, Offset, SEEK_SET );
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(VOID)fread( UncompressedBuffer, 1, UncompressedCount, pf );
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{
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MRCF_STANDARD_COMPRESS WorkSpace;
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ULONG CompressedLength;
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CompressedLength = MrcfStandardCompress( CompressedBuffer,
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CompressedCount,
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UncompressedBuffer,
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UncompressedCount,
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&WorkSpace );
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fprintf(stderr, "CompressedLength = %d\n", CompressedLength);
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fwrite( CompressedBuffer, 1, CompressedLength, stdout );
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}
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}
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VOID
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cdecl
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main (argc, argv)
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int argc;
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char *argv[];
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{
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FILE *pf;
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if (argc < 3) {
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DsDumpSyntax(argv[0]);
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return;
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}
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if (!(pf = fopen(argv[2], "rb"))) {
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fprintf(stderr, "%s error: invalid file name '%s'\n", argv[0], argv[2]);
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return;
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}
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if (!strcmp(argv[1],"-h") || !strcmp(argv[1],"-H")) {
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DumpHeader(argc,argv,pf);
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} else if (!strcmp(argv[1],"-c") || !strcmp(argv[1],"-C")) {
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Compress(argc,argv,pf);
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} else if (!strcmp(argv[1],"-d") || !strcmp(argv[1],"-D")) {
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Decompress(argc,argv,pf);
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} else {
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DsDumpSyntax(argv[0]);
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}
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}
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