/
ISOMaker.cpp
1146 lines (891 loc) · 37.7 KB
/
ISOMaker.cpp
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#include "ISOMaker.h"
//-----------------------------------------------------------------------------
// Contructor...
//-----------------------------------------------------------------------------
CISOMaker::CISOMaker()
{
OutF = NULL;
BootF = NULL;
Reset();
}
//-----------------------------------------------------------------------------
// Destructor...
//-----------------------------------------------------------------------------
CISOMaker::~CISOMaker()
{
CloseOutputFile();
CloseBootSectorFile();
FoldersTree.ClearNodes(NULL, 0);
}
///////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////DLL Functions/////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
void CISOMaker::Reset()
{
CloseOutputFile();
CloseBootSectorFile();
hMainWnd = NULL;
bGaugePresent = FALSE;
FoldersTree.ClearNodes(NULL, 0);
FoldersTree.CreateRootDirectory();
FoldersNodes.clear();
BootSectorID = 0;
TotalSectorsCount = 0;
TotalSectorsWriten = 0;
ZeroMemory(&PathTableSize[0], sizeof(DWORD) * 4);
ZeroMemory(&PathTableFirstSector[0], sizeof(DWORD) * 4);
ZeroMemory(&FirstDirectoryRecordSector[0], sizeof(DWORD) * 2);
FilesFirstDirectoryRecordSector = 0;
ZeroMemory(&CustomVolumeIdentifier[0], 32);
}
///////////////////////////////////////////////////////////////////////////////////////////
void CISOMaker::SetWindowsHandles(HWND MainWnd, BOOL GaugePresent)
{
hMainWnd = MainWnd;
bGaugePresent = GaugePresent;
}
///////////////////////////////////////////////////////////////////////////////////////////
void CISOMaker::PostProgressBarMessage(DWORD *x, DWORD Total, DWORD IncrementBy)
{
*x += IncrementBy;
if(hMainWnd != NULL && bGaugePresent){
PostMessage(hMainWnd, WM_GAUGE_UPDATE, *x, Total);
Utils.ProcessMessages(hMainWnd);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
void CISOMaker::SetVolumeIdentifier(char *VolID)
{
ZeroMemory(&CustomVolumeIdentifier[0], 32);
DWORD StrLen = strlen(VolID);
if(StrLen > 16){StrLen = 16;}
if(StrLen > 0){memcpy(&CustomVolumeIdentifier[0], VolID, StrLen);}
}
///////////////////////////////////////////////////////////////////////////////////////////
BOOL CISOMaker::AddDirectory(char *pDirName)
{
return FoldersTree.AddDirectory(NULL, pDirName);
}
///////////////////////////////////////////////////////////////////////////////////////////
BOOL CISOMaker::AddFile(char *fname)
{
return FoldersTree.AddFile(NULL, fname);
}
///////////////////////////////////////////////////////////////////////////////////////////
void CISOMaker::PrintTree()
{
FoldersTree.PrintNodes(NULL, 0);
}
///////////////////////////////////////////////////////////////////////////////////////////
DWORD CISOMaker::GetNumErrorsMsg()
{
return FoldersTree.ErrorsLog.GetNodeCount();
}
///////////////////////////////////////////////////////////////////////////////////////////
char* CISOMaker::GetErrorsMsg(DWORD Indx)
{
return FoldersTree.ErrorsLog.GetErrorMsg(Indx);
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////DISK WRITE FUNCTIONS////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Write the .iso file
//-----------------------------------------------------------------------------
BOOL CISOMaker::BuildISO(char *fname, char *bootfname)
{
// Don't go further if we have errors...
if(FoldersTree.ErrorsLog.GetNumErrors() > 0)
return FALSE;
///////////////////////////////////////////////////////////////////////////////////////////
// Open the boot sector file if a file name is given
if(bootfname != NULL && !LoadBootSectorFile(bootfname)){
FoldersTree.ErrorsLog.LogError(_ERROR_BOOT_FILE_LOAD_FAIL_, bootfname);
return FALSE;
}
///////////////////////////////////////////////////////////////////////////////////////////
// Create the file
if(!CreateOutputFile(fname)){
FoldersTree.ErrorsLog.LogError(_ERROR_FILE_CREATION_FAIL_, fname);
CloseBootSectorFile();
return FALSE;
}
///////////////////////////////////////////////////////////////////////////////////////////
// Pre-Calculate some data before starting generating/writing this shit up...
PreCalcStuffs();
///////////////////////////////////////////////////////////////////////////////////////////
// Write the boot sectors
WriteFirst32k();
///////////////////////////////////////////////////////////////////////////////////////////
// Write the Volume Descriptors
WriteVolumeDescriptorsSectors(IsBootSectorFileLoaded());
///////////////////////////////////////////////////////////////////////////////////////////
// Write the boot catalog sector
if(IsBootSectorFileLoaded())
WriteBootCatSector();
///////////////////////////////////////////////////////////////////////////////////////////
// Write the Path Tables
WritePathTablesSectors(0, NO_UNICODE, USE_LITTLEENDIAN);
WritePathTablesSectors(1, NO_UNICODE, USE_BIGENDIAN);
WritePathTablesSectors(2, USE_UNICODE, USE_LITTLEENDIAN);
WritePathTablesSectors(3, USE_UNICODE, USE_BIGENDIAN);
///////////////////////////////////////////////////////////////////////////////////////////
// Write the Directory Records
WriteDirectorySector(NULL, NO_UNICODE);
WriteDirectorySector(NULL, USE_UNICODE);
///////////////////////////////////////////////////////////////////////////////////////////
// Write the binary boot sector
if(IsBootSectorFileLoaded())
WriteBootSector();
///////////////////////////////////////////////////////////////////////////////////////////
// Write the Files Directory Records
WriteFilesSector(NULL);
///////////////////////////////////////////////////////////////////////////////////////////
// Close the file
CloseOutputFile();
///////////////////////////////////////////////////////////////////////////////////////////
return TRUE;
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Create the .iso file
//-----------------------------------------------------------------------------
bool CISOMaker::CreateOutputFile(char *fname)
{
if(!IsOutputFileLoaded())
OutF = fopen(fname, "wb+");
return IsOutputFileLoaded();
}
//-----------------------------------------------------------------------------
// Close the .iso file
//-----------------------------------------------------------------------------
void CISOMaker::CloseOutputFile()
{
if(IsOutputFileLoaded()){
fclose(OutF);
OutF = NULL;
}
}
//-----------------------------------------------------------------------------
// Load the boot sector file
//-----------------------------------------------------------------------------
bool CISOMaker::LoadBootSectorFile(char *fname)
{
if(!IsBootSectorFileLoaded())
BootF = fopen(fname, "rb");
return IsBootSectorFileLoaded();
}
//-----------------------------------------------------------------------------
// Close the boot sector file
//-----------------------------------------------------------------------------
void CISOMaker::CloseBootSectorFile()
{
if(IsBootSectorFileLoaded()){
fclose(BootF);
BootF = NULL;
}
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Write the first useless 16 sectors
//-----------------------------------------------------------------------------
void CISOMaker::WriteFirst32k()
{
BYTE EmptyBuf[SECTOR_SIZE];
ZeroMemory(&EmptyBuf[0], SECTOR_SIZE);
for(int Cpt = 0; Cpt < 16; Cpt++){
fwrite(&EmptyBuf[0], 1, SECTOR_SIZE, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Write the Volume Descriptors Sectors
//-----------------------------------------------------------------------------
void CISOMaker::WriteVolumeDescriptorsSectors(bool IsBootable)
{
//const BYTE VDSet[3][7] = {{0x01, 0x43, 0x44, 0x30, 0x30, 0x31, 0x01}, {0x02, 0x43, 0x44, 0x30, 0x30, 0x31, 0x01}, {0xFF, 0x43, 0x44, 0x30, 0x30, 0x31, 0x01}};
const BYTE VDSignature[6] = {0x43, 0x44, 0x30, 0x30, 0x31, 0x01};
const BYTE DefSystemIdentifier[2][32] = {{0x57, 0x49, 0x4E, 0x33, 0x32, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20}, {0x00, 0x57, 0x00, 0x69, 0x00, 0x6E, 0x00, 0x33, 0x00, 0x32, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x20}};
const LPCSTR szDefAppIdentifier = "VortezISO Maker - All fucking right reserved!";
const LPCSTR szElTorinoIdentifier = "EL TORITO SPECIFICATION";
/////////////////////////////////////////
// Get the current time
/////////////////////////////////////////
SYSTEMTIME RecTime;
GetSystemTime(&RecTime);
/////////////////////////////////////////
// Generate the Primary Volume Descriptor
/////////////////////////////////////////
// Create a pointer to our Primary Volume Descriptor
CVolumeDescriptor PVD;
ZeroMemory(&PVD, SECTOR_SIZE);
//
PVD.VolumeDescriptorSet[0] = 1;
memcpy(&PVD.VolumeDescriptorSet[1], &VDSignature[0], 6);
memcpy(&PVD.SystemIdentifier[0], &DefSystemIdentifier[0][0], 32);
// Create a volume identifier using the current time values
{
memset(&PVD.VolumeIdentifier[0], ' ', 32);
if(strlen(&CustomVolumeIdentifier[0]) == 0){
char Buf[32];
ZeroMemory(&Buf[0], 32);
sprintf(&Buf[0], "%d%2.2d%2.2d_%2.2d%2.2d%2.2d", RecTime.wYear, RecTime.wMonth, RecTime.wDay, RecTime.wHour, RecTime.wMinute, RecTime.wSecond);
memcpy(&PVD.VolumeIdentifier[0], &Buf[0], strlen(&Buf[0]));
} else {
memcpy(&PVD.VolumeIdentifier[0], &CustomVolumeIdentifier[0], strlen(&CustomVolumeIdentifier[0]));
}
}
// Write the total number of sectors number
PVD.TotalSectorsCount_LE = TotalSectorsCount;
PVD.TotalSectorsCount_BE = Utils.MakeBigEndian4b(PVD.TotalSectorsCount_LE);
// Write useless data...
PVD.VolumeSetSize_LE = 1;
PVD.VolumeSetSize_BE = Utils.MakeBigEndian2b(1);
PVD.VolumeSequenceNumber_LE = 1;
PVD.VolumeSequenceNumber_BE = Utils.MakeBigEndian2b(1);
// Write the default sector size
PVD.SectorSize_LE = SECTOR_SIZE;
PVD.SectorSize_BE = Utils.MakeBigEndian2b(SECTOR_SIZE);
// Write the "normal" path table length
PVD.PathTableLength_LE = PathTableSize[0];
PVD.PathTableLength_BE = Utils.MakeBigEndian4b(PVD.PathTableLength_LE);
// Write the path tables 1st sectors
PVD.FirstSectorOf1stPathTable_LE = PathTableFirstSector[0];
PVD.FirstSectorOf2ndPathTable_LE = 0;
PVD.FirstSectorOf1stPathTable_BE = Utils.MakeBigEndian4b(PathTableFirstSector[1]);
PVD.FirstSectorOf2ndPathTable_BE = 0;
// Write the root directory record
{
CDirectoryRecord DirRec;
ZeroMemory(&DirRec, sizeof(CDirectoryRecord));
DirRec.RecordSize = 34;
DirRec.FirstSector_LE = FirstDirectoryRecordSector[0];
DirRec.FirstSector_BE = Utils.MakeBigEndian4b(DirRec.FirstSector_LE);
DirRec.FileSize_LE = SECTOR_SIZE;
DirRec.FileSize_BE = Utils.MakeBigEndian4b(DirRec.FileSize_LE);
DirRec.Flags = 2;
DirRec._VolumeSequenceNumber_LE = 1;
DirRec._VolumeSequenceNumber_BE = Utils.MakeBigEndian2b(DirRec._VolumeSequenceNumber_LE);
DirRec.IdentifierLen = 1;
memcpy(&PVD.RootDirectoryRecord[0], &DirRec, 34);
}
// Write useless data...
memset(&PVD.VolumeSetIdentifier[0], ' ', 128);
memset(&PVD.PublishedIdentifier[0], ' ', 128);
memset(&PVD.DataPreparerIdentifier[0], ' ', 128);
// Write the application identifier
{
memset(&PVD.ApplicationIdentifier[0], ' ', 128);
memcpy(&PVD.ApplicationIdentifier[0], &szDefAppIdentifier[0], strlen(&szDefAppIdentifier[0]));
}
// Write more useless data...
memset(&PVD.CopyrightFileIdentifier[0], ' ', 37);
memset(&PVD.AbstractFileIdentifier[0], ' ', 37);
memset(&PVD.BibliographicalFile[0], ' ', 37);
// Write the volume creation time, wich is right now!
{
char Buf[17];
ZeroMemory(&Buf[0], 17);
sprintf(&Buf[0], "%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d%2.2d%c", RecTime.wYear, RecTime.wMonth, RecTime.wDay, RecTime.wHour, RecTime.wMinute, RecTime.wSecond, RecTime.wMilliseconds, 0xF0);
memcpy(&PVD.VolumeCreationTime[0], &Buf[0], 17);
memcpy(&PVD.LastVolumeModificationTime[0], &Buf[0], 17);
}
// Write even more useless data...
memset(&PVD.VolumeExpirationTime[0], '0', 16);
memset(&PVD.VolumeEffectiveTime[0], '0', 16);
// This padding byte must be 1
PVD._PadBytes4 = 1;
// Write the App. Reseverved data string
{
// Default UltraISO string
/*BYTE UltraIsoDefAppData[44] = {0x55, 0x4C, 0x54, 0x52, 0x41, 0x49, 0x53, 0x4F, 0x00, 0x38, 0x2E, 0x36, 0x2E, 0x31, 0x2E, 0x31, 0x39, 0x38, 0x35, 0x00, 0xC8, 0x14, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
memcpy(&PVD.AppReserved[0], &UltraIsoDefAppData[0], 44);
memset(&PVD.AppReserved[44], ' ', 212);
PVD.AppReserved[256] = 0x2F;
memset(&PVD.AppReserved[257], 0, 255);*/
// My custom string
BYTE DefAppData[14] = {0x56, 0x6F, 0x72, 0x74, 0x65, 0x7A, 0x49, 0x53, 0x4F, 0x20, 0x76, 0x31, 0x2E, 0x30};
memset(&PVD.AppReserved[0], 0x20, 512);
memcpy(&PVD.AppReserved[0], &DefAppData[0], 14);
}
/////////////////////////////////////////
// Generate the Boot Volume Descriptor
/////////////////////////////////////////
// Copy the first one over the 2nd one
CBootVolumeDescriptor BVD;
if(IsBootable){
ZeroMemory(&BVD, SECTOR_SIZE);
memcpy(&BVD.VolumeDescriptorSet[1], &VDSignature[0], 6);
memcpy(&BVD.BootSystemIdentifier[0], &szElTorinoIdentifier[0], strlen(szElTorinoIdentifier));
BVD.BootCatSector = 20;
}
/////////////////////////////////////////
// Generate the Secondary Volume Descriptor
/////////////////////////////////////////
// Copy the first one over the 2nd one
CVolumeDescriptor SVD;
memcpy(&SVD, &PVD, SECTOR_SIZE);
SVD.VolumeDescriptorSet[0] = 2;
memcpy(&SVD.VolumeDescriptorSet[1], &VDSignature[0], 6);
memcpy(&SVD.SystemIdentifier[0], &DefSystemIdentifier[1][0], 32);
Utils.ConvertToUnicode(&SVD.VolumeIdentifier[0], &PVD.VolumeIdentifier[0], 32);
// Add the "Joliet" signature to the 2nd volume descriptor
BYTE JolietBytes[3] = {0x25, 0x2F, 0x45};
memcpy((BYTE*)&SVD._PadBytes3[0], &JolietBytes[0], 3);
// Update the path table length
SVD.PathTableLength_LE = PathTableSize[2];
SVD.PathTableLength_BE = Utils.MakeBigEndian4b(SVD.PathTableLength_LE);
// Update the path table 1st sectors
SVD.FirstSectorOf1stPathTable_LE = PathTableFirstSector[2];
SVD.FirstSectorOf2ndPathTable_LE = 0;
SVD.FirstSectorOf1stPathTable_BE = Utils.MakeBigEndian4b(PathTableFirstSector[3]);
SVD.FirstSectorOf2ndPathTable_BE = 0;
// Change the first directory record
BYTE *pRootTable1stDirectoryRecordSector = (BYTE*)&SVD;
DWORD FirstDirSector = FirstDirectoryRecordSector[1];
memcpy(&pRootTable1stDirectoryRecordSector[158], &FirstDirSector, 4);
FirstDirSector = Utils.MakeBigEndian4b(FirstDirectoryRecordSector[1]);
memcpy(&pRootTable1stDirectoryRecordSector[162], &FirstDirSector, 4);
// Convert all normal text to unicode where needed
Utils.ConvertToUnicode(&SVD.VolumeSetIdentifier[0], &PVD.VolumeSetIdentifier[0], 128);
Utils.ConvertToUnicode(&SVD.PublishedIdentifier[0], &PVD.PublishedIdentifier[0], 128);
Utils.ConvertToUnicode(&SVD.DataPreparerIdentifier[0], &PVD.DataPreparerIdentifier[0], 128);
Utils.ConvertToUnicode(&SVD.ApplicationIdentifier[0], &PVD.ApplicationIdentifier[0], 128);
Utils.ConvertToUppercase((BYTE*)&PVD.ApplicationIdentifier[0], 128);
Utils.ConvertToUnicode(&SVD.CopyrightFileIdentifier[0], &PVD.CopyrightFileIdentifier[0], 37);
Utils.ConvertToUnicode(&SVD.AbstractFileIdentifier[0], &PVD.AbstractFileIdentifier[0], 37);
Utils.ConvertToUnicode(&SVD.BibliographicalFile[0], &PVD.BibliographicalFile[0], 37);
/////////////////////////////////////////
// Generate the Final Volume Descriptor
/////////////////////////////////////////
// Only ad the VDSet Bytes
CVolumeDescriptor FVD;
ZeroMemory(&FVD, SECTOR_SIZE);
FVD.VolumeDescriptorSet[0] = 0xFF;
memcpy(&FVD.VolumeDescriptorSet[1], &VDSignature[0], 6);
/////////////////////////////////////////
// Write the Volumes Descriptors
/////////////////////////////////////////
// Write the Volume descriptors sectors
fwrite(&PVD, 1, SECTOR_SIZE, OutF); PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
if(IsBootable){
fwrite(&BVD, 1, SECTOR_SIZE, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
}
fwrite(&SVD, 1, SECTOR_SIZE, OutF); PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
fwrite(&FVD, 1, SECTOR_SIZE, OutF); PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
}
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Write the Path Tables Sectors
//-----------------------------------------------------------------------------
void CISOMaker::WritePathTablesSectors(DWORD Indx, BOOL UseUnicode, BOOL UseBigEndian)
{
DWORD NodeIndx = 0;
DWORD DataIndx = 0;
DWORD BufLen = Utils.MakeSectorEven(PathTableSize[Indx]);
BYTE *pBuffer = new BYTE[BufLen];
ZeroMemory(&pBuffer[0], BufLen);
CFolderNode* pNode = NULL;
while(1){
// Go to the next node from the node vector and repeat the process
if(NodeIndx < FoldersNodes.size()){
pNode = (CFolderNode*)FoldersNodes[NodeIndx];
NodeIndx++;
} else
break; // Break the loop if we have processed all the nodes
//
CPathTableRecord PathTableRecord;
ZeroMemory(&PathTableRecord, sizeof(PathTableRecord));
PathTableRecord.NameLen = !UseUnicode ? pNode->ShortNameLen : pNode->LongNameLen;
PathTableRecord.FirstSector = !UseBigEndian ? pNode->FirstSector.dw[UseUnicode] : Utils.MakeBigEndian4b(pNode->FirstSector.dw[UseUnicode]);
PathTableRecord.ParentDirectoryID = !UseBigEndian ? pNode->DirectoryID : Utils.MakeBigEndian2b(pNode->DirectoryID);
//
switch(pNode->IsSpecialDirectory){
case _NORMAL_DIR_:
if(!UseUnicode){
PathTableRecord.NameLen = pNode->ShortNameLen;
memcpy(&PathTableRecord.Name[0], &pNode->ShortName[0], PathTableRecord.NameLen);
} else {
PathTableRecord.NameLen = pNode->LongNameLen;
memcpy(&PathTableRecord.Name[0], &pNode->LongName[0], PathTableRecord.NameLen);
}
break;
case _THIS_DIR_:
PathTableRecord.NameLen = 1;
break;
case _PREV_DIR_:
PathTableRecord.NameLen = 1;
PathTableRecord.Name[0] = 1;
break;
}
//
DWORD Size = 0;
Utils.GetStructSizeByNodeName(&Size, 8, pNode->ShortNameLen, pNode->LongNameLen, pNode->IsSpecialDirectory, UseUnicode);
//
memcpy(&pBuffer[DataIndx], &PathTableRecord, Size);
DataIndx += Size;
// Just in case...
if(DataIndx >= PathTableSize[Indx])
break;
}
//
fwrite(&pBuffer[0], 1, BufLen, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, Utils.GetSectorTaken(PathTableSize[Indx]));
SAFE_DELETE_ARRAY(pBuffer);
}
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Generate the Directory Records for each folders, then each files...
//-----------------------------------------------------------------------------
void CISOMaker::WriteDirectorySector(CFolderNode *pNode, BOOL UseUnicode)
{
// Select the root node if pNode is NULL
if(pNode == NULL)
pNode = FoldersTree.GetRootNode();
// Save the current node
CFolderNode *pOriginalNode = pNode;
DWORD BufLen = Utils.MakeSectorEven(pNode->Size.dw[UseUnicode]);
BYTE *pBuffer = new BYTE[BufLen];
ZeroMemory(&pBuffer[0], BufLen);
// Fill up a CDirectoryRecord
DWORD DataIndx = 0;
//Fill it with data
pNode = FoldersTree.GetFirstChild(pNode);
while(pNode != NULL){
CDirectoryRecord DirRec;
ZeroMemory(&DirRec, sizeof(DirRec));
DirRec.RecordSize = (BYTE)Utils.MakeEven(33 + (!UseUnicode ? pNode->ShortNameLen : pNode->LongNameLen));
DirRec.FirstSector_LE = pNode->FirstSector.dw[UseUnicode];
DirRec.FirstSector_BE = Utils.MakeBigEndian4b(DirRec.FirstSector_LE);
DirRec.FileSize_LE = Utils.MakeSectorEven(pNode->Size.dw[UseUnicode]);
DirRec.FileSize_BE = Utils.MakeBigEndian4b(DirRec.FileSize_LE);
// Get the current time and write it into the directory record Time[7] bytes
{
SYSTEMTIME RecTime;
GetSystemTime(&RecTime);
// Year, Month, Day, Hour, Min, Sec
DirRec.Time[0] = (BYTE)(RecTime.wYear - 1900);
DirRec.Time[1] = (BYTE)RecTime.wMonth;
DirRec.Time[2] = (BYTE)RecTime.wDay;
DirRec.Time[3] = (BYTE)RecTime.wHour;
DirRec.Time[4] = (BYTE)RecTime.wMinute;
DirRec.Time[5] = (BYTE)RecTime.wSecond;
TIME_ZONE_INFORMATION tzi;
GetTimeZoneInformation(&tzi);
// Offset from Greenwich Mean Time, in 15-minute intervals
DirRec.Time[6] = (BYTE)((tzi.Bias / 15) * (-1));
}
// Flags
if(pNode->IsDirectory)
DirRec.Flags = 0x02;
// Useless...
DirRec._VolumeSequenceNumber_LE = 1;
DirRec._VolumeSequenceNumber_BE = Utils.MakeBigEndian2b(1);
// Write the identifier
switch(pNode->IsSpecialDirectory){
case _NORMAL_DIR_:
if(!UseUnicode){
DirRec.IdentifierLen = pNode->ShortNameLen;
memcpy(&DirRec.Identifier[0], &pNode->ShortName[0], DirRec.IdentifierLen);
} else {
DirRec.IdentifierLen = pNode->LongNameLen;
memcpy(&DirRec.Identifier[0], &pNode->LongName[0], DirRec.IdentifierLen);
}
break;
case _THIS_DIR_:
DirRec.IdentifierLen = 1;
break;
case _PREV_DIR_:
DirRec.IdentifierLen = 1;
DirRec.Identifier[0] = 1;
break;
}
/////////////////////////////////////////////////////////////////////////
// Copy the directory record chunk
memcpy(&pBuffer[DataIndx], &DirRec, DirRec.RecordSize);
DataIndx += DirRec.RecordSize;
/////////////////////////////////////////////////////////////////////////
// Go to the next node
pNode = pNode->pNext;
}
// Write the entire directory records
fwrite(&pBuffer[0], 1, BufLen, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, Utils.GetSectorTaken(BufLen));
// Recurse through sub-directory
pNode = FoldersTree.GetFirstChild(pOriginalNode);
while(pNode != NULL){
if(FoldersTree.GetFirstChild(pNode)){
if(pNode->IsDirectory == TRUE && pNode->IsSpecialDirectory == FALSE)
WriteDirectorySector(pNode, UseUnicode);
}
pNode = pNode->pNext;
}
pNode = pOriginalNode;
}
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Generate the Directory Records for each folders, then each files...
//-----------------------------------------------------------------------------
void CISOMaker::WriteFilesSector(CFolderNode *pNode)
{
// Select the root node if pNode is NULL
if(pNode == NULL)
pNode = FoldersTree.GetRootNode();
// Save the current node
CFolderNode *pOriginalNode = pNode;
// Get the first child of this node
pNode = FoldersTree.GetFirstChild(pNode);
// Calculate the size
while(pNode != NULL){
DWORD FSize = 0;
if(pNode->IsDirectory == FALSE){
// Save the file size
FSize = Utils.MakeSectorEven(pNode->Size._32.Lo);
// Allocate a "Sector" memory block
BYTE *pBuffer = new BYTE[SECTOR_SIZE];
// Open the target file
FILE *InF = fopen(&pNode->FullFileName[0], "rb");
// Write the file data, sector by sector
for(DWORD Cpt = 0; Cpt < FSize; Cpt += SECTOR_SIZE){
ZeroMemory(&pBuffer[0], SECTOR_SIZE);
fread(&pBuffer[0], 1, SECTOR_SIZE, InF);
fwrite(&pBuffer[0], 1, SECTOR_SIZE, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
}
// Close the file
fclose(InF);
// Free the memory buffer
SAFE_DELETE_ARRAY(pBuffer);
} else if(pNode->IsDirectory == TRUE && pNode->IsSpecialDirectory == FALSE){
// Recurse through the childs nodes
WriteFilesSector(pNode);
}
// Go to the next node
pNode = pNode->pNext;
}
pNode = pOriginalNode;
}
//-----------------------------------------------------------------------------
// Write the Boot Catalog Sectors
//-----------------------------------------------------------------------------
void CISOMaker::WriteBootCatSector()
{
static const BYTE BootSig[4] = {0xAA, 0x55, 0x55, 0xAA};
CBootCatalog BootCat;
ZeroMemory(&BootCat, sizeof(CBootCatalog));
BYTE *pByte = (BYTE*)&BootCat.ValidationEntry.Checksum;
BootCat.ValidationEntry.HeaderID = 1;
memcpy(&pByte[0], &BootSig[0], 4);
BootCat.DefaultEntry.BootIndicator = 0x88;
BootCat.DefaultEntry.BootMediaType = 0;
BootCat.DefaultEntry.LoadSegment = 0x07C0;
BootCat.DefaultEntry.SectorCount = 4;
BootCat.DefaultEntry.LoadRBA = BootSectorID;
fwrite(&BootCat, 1, SECTOR_SIZE, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
}
//-----------------------------------------------------------------------------
// Write the Boot Sector
//-----------------------------------------------------------------------------
void CISOMaker::WriteBootSector()
{
if(IsBootSectorFileLoaded()){
BYTE BootImgBuf[SECTOR_SIZE];
ZeroMemory(&BootImgBuf[0], SECTOR_SIZE);
// Read the boot sector
DWORD NumBytesRead = fread(&BootImgBuf[0], 1, SECTOR_SIZE, BootF);
// Make sure we've read 2048 bytes or warn the user
if(NumBytesRead != SECTOR_SIZE)
FoldersTree.ErrorsLog.LogError(_WARNING_BOOT_FILE_TOO_SMALL_, NULL);
// Write the boot sector
fwrite(&BootImgBuf[0], 1, SECTOR_SIZE, OutF);
PostProgressBarMessage(&TotalSectorsWriten, TotalSectorsCount, 1);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////PRE-CALCULATE STUFFS///////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Calculate all the stuffs we need to know before we can generate the .iso
//-----------------------------------------------------------------------------
void CISOMaker::PreCalcStuffs()
{
// Reset the progress bar
PostProgressBarMessage(&TotalSectorsWriten, 1);
// Add 2 sector if the iso is bootable
DWORD SectorUsed = !IsBootSectorFileLoaded() ? 19 : 21;
// Generate a list of all folders
GenPathTableFoldersList();
// Calculate the size for each Path Table
PathTableSize[0] = CalcPathTableSize(NO_UNICODE);
PathTableSize[1] = PathTableSize[0];
PathTableSize[2] = CalcPathTableSize(USE_UNICODE);
PathTableSize[3] = PathTableSize[2];
PathTableFirstSector[0] = SectorUsed;
PathTableFirstSector[1] = PathTableFirstSector[0] + Utils.GetSectorTaken(PathTableSize[0]);
PathTableFirstSector[2] = PathTableFirstSector[1] + Utils.GetSectorTaken(PathTableSize[1]);
PathTableFirstSector[3] = PathTableFirstSector[2] + Utils.GetSectorTaken(PathTableSize[2]);
// Calculate the size taken by the 4 path tables
DWORD TotalPathTableSectorsCount = (PathTableFirstSector[3] + Utils.GetSectorTaken(PathTableSize[3])) - PathTableFirstSector[0];
SectorUsed += TotalPathTableSectorsCount;
// Calculate the size taken by the directory records
FirstDirectoryRecordSector[0] = SectorUsed;
SectorUsed += Utils.GetSectorTaken(CalcDirectoryRecordsSize(NULL, NO_UNICODE, TRUE));
FirstDirectoryRecordSector[1] = SectorUsed;
SectorUsed += Utils.GetSectorTaken(CalcDirectoryRecordsSize(NULL, USE_UNICODE, TRUE));
// Add 1 sector if the iso is bootable
if(IsBootSectorFileLoaded()){
BootSectorID = SectorUsed;
SectorUsed++;
}
// Calculate the sectors taken by files
FilesFirstDirectoryRecordSector = SectorUsed;
SectorUsed += Utils.GetSectorTaken(CalcFilesRecordsSize(NULL));
// Here we have the total number of sectors our iso will need
TotalSectorsCount = SectorUsed;
/////////////////////////////////////////////////////////////////////////////////
// Generate the directory ID required for the path tables
GenDirectoryID();
// Hold the first sector # for the functions above
DWORD CurrentSector = FirstDirectoryRecordSector[0];
// Generate the size and first sector # for each valid directory nodes
GenFoldersRecordsSizeAndFirstSectorData(NULL, &CurrentSector, NO_UNICODE);
GenFoldersRecordsSizeAndFirstSectorData(NULL, &CurrentSector, USE_UNICODE);
// Allocate 1 sector here for the boot sector
if(IsBootSectorFileLoaded())
CurrentSector++;
// Generate the size and first sector # for each valid files nodes
GenFilesRecordsFirstSectorData(NULL, &CurrentSector);
}
//-----------------------------------------------------------------------------
// Generate the Path Table size
//-----------------------------------------------------------------------------
void CISOMaker::GenPathTableFoldersList()
{
CFolderNode* pNode = FoldersTree.GetRootNode();
DWORD NodeIndx = 0;
FoldersNodes.clear();
FoldersNodes.push_back((void*)pNode);
NodeIndx++;
pNode = FoldersTree.GetFirstChild(pNode);
// Store all the FoldersTree directory nodes by level and order
while(1){
// Check all the parent's node childs
while(pNode != NULL){
if(pNode->IsDirectory == TRUE && pNode->IsSpecialDirectory == FALSE){
FoldersNodes.push_back((void*)pNode);
}
// Go to the next node
pNode = pNode->pNext;
}
// Go to the next node from the node vector and repeat the process
if(NodeIndx < FoldersNodes.size()){
pNode = (CFolderNode*)FoldersNodes[NodeIndx];
NodeIndx++;
pNode = FoldersTree.GetFirstChild(pNode);
} else
break;
}
}
//-----------------------------------------------------------------------------
// Generate the Path Table size
//-----------------------------------------------------------------------------
DWORD CISOMaker::CalcPathTableSize(BOOL UseUnicode)
{
CFolderNode* pNode = NULL;
DWORD PathTableSize = 0;
for(DWORD Cpt = 0; Cpt < FoldersNodes.size(); Cpt++){
pNode = (CFolderNode*)FoldersNodes[Cpt];
Utils.GetStructSizeByNodeName(&PathTableSize, 8, pNode->ShortNameLen, pNode->LongNameLen, pNode->IsSpecialDirectory, UseUnicode);
}
return PathTableSize;
}
///////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// Generate the Directory Record size
//-----------------------------------------------------------------------------
DWORD CISOMaker::CalcDirectoryRecordsSize(CFolderNode *pNode, BOOL UseUnicode, BOOL Recurse)
{
// Select the root node if pNode is NULL
if(pNode == NULL)
pNode = FoldersTree.GetRootNode();
// Save the current node
CFolderNode *pOriginalNode = pNode;
// Init. the size taken variable
DWORD Size = 0;
DWORD RecursionResult = 0;
// Get the first child of this node
pNode = FoldersTree.GetFirstChild(pNode);
// Calculate the size
while(pNode != NULL){
// Accumulate the size taken
Utils.GetStructSizeByNodeName(&Size, 33, pNode->ShortNameLen, pNode->LongNameLen, pNode->IsSpecialDirectory, UseUnicode);
// Recurse through the childs nodes
if(Recurse)
RecursionResult += Utils.MakeSectorEven(CalcDirectoryRecordsSize(pNode, UseUnicode, Recurse));
// Go to the next node
pNode = pNode->pNext;
}
// Restore the node
pNode = pOriginalNode;
return Utils.MakeSectorEven(Size) + Utils.MakeSectorEven(RecursionResult);
}
//-----------------------------------------------------------------------------
// Generate the Directory Record size
//-----------------------------------------------------------------------------
DWORD CISOMaker::CalcFilesRecordsSize(CFolderNode *pNode)
{
// Select the root node if pNode is NULL
if(pNode == NULL)
pNode = FoldersTree.GetRootNode();
// Save the current node
CFolderNode *pOriginalNode = pNode;
// Init. the size taken variable
DWORD Size = 0;
DWORD RecursionResult = 0;
// Get the first child of this node
pNode = FoldersTree.GetFirstChild(pNode);
// Calculate the size
while(pNode != NULL){
if(pNode->IsDirectory == FALSE){
Size += Utils.MakeSectorEven(pNode->Size._32.Lo);
} else if(pNode->IsDirectory == TRUE && pNode->IsSpecialDirectory == FALSE){
// Recurse through the childs nodes
RecursionResult += CalcFilesRecordsSize(pNode);
}
// Go to the next node
pNode = pNode->pNext;
}
// Restore the node
pNode = pOriginalNode;
return Size + Utils.MakeSectorEven(RecursionResult);
}
//-----------------------------------------------------------------------------
// Generate the directory sector for the given node
//-----------------------------------------------------------------------------
void CISOMaker::GenDirectoryID()