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#include "type_fix.h"

#pragma pack(1)

uint64_t reverseByte(uint8_t* byte, unsigned int count)
{
	uint64_t result = 0;
	int i;
	for (i = count - 1; i >= 0; i--)
		result = (result << 8) | byte[i];

return result;
}

int ReadSector(LPCWSTR  drive, int readPoint, BYTE sector[512], long posSector)
{
	int retCode = 0;
	DWORD bytesRead;
	HANDLE device = NULL;

device = CreateFile(drive,    // Drive to open
		GENERIC_READ,           // Access mode
		FILE_SHARE_READ | FILE_SHARE_WRITE,        // Share Mode
		NULL,                   // Security Descriptor
		OPEN_EXISTING,          // How to create
		0,                      // File attributes
		NULL);                  // Handle to template

if (device == INVALID_HANDLE_VALUE) // Open Error
	{
		printf("CreateFile: %u\n", GetLastError());
		return 1;
	}

SetFilePointer(device, readPoint + 512 * posSector, NULL, FILE_BEGIN);//Set a Point to Read

if (!ReadFile(device, sector, 512, &bytesRead, NULL))
	{
		printf("ReadFile: %u\n", GetLastError());
	}
	else
	{
		printf("Success!\n");
	}
}

#pragma pack()

void PrintFloppyInformationNTFS(NTFS _ntfs)
{
	printf("Floppy Disk Information: \n");
	printf("===========================\n");
	printf("FAT: %s\n", _ntfs.OEMID); //Loai FAT
	printf("Bytes per sector: %d\n", reverseByte(_ntfs.Bytes_Sector, 2)); // So Byte cho 1 sector
	printf("Sector per cluster: %d\n", _ntfs.Sectors_Cluster); // So Sector cho 1 cluster
	printf("Reserved Sector: %d\n", reverseByte(_ntfs.Reserved_Sector, 2)); // So Sector vung boot Sector
	printf("Total Sectors : %lld\n", _ntfs.total_sectors); //Tong so sector, kich thuoc Volume
	printf("Logical Cluster Number for the file $MFT : %lld\n", _ntfs.Logical_MFT); // so cum cluster cho MFT
	printf("Logical Cluster Number for the file $MFTMirr : %lld\n", _ntfs.Logical_MFTMirr); // so cum cluster cho MFTMIRR
}

int PrintFloppyInformationFAT32(FAT32 fat32)
{
	printf("FAT: %s\n", fat32.Fat_name); //Loai FAT
	printf("Bytes per sector: %d\n", reverseByte(fat32.bytePerSector, 2));// So Byte cho 1 sector
	printf("Sector per cluster: %d\n", fat32.sectorPerCluster);// So Sector cho 1 cluster
	printf("Reserved sectors (Sb): %d\n", reverseByte(fat32.reservedSector, 2));// So Sector vung boot Sector
	printf("FAT copies: %d\n", fat32.fatCopy); // So bang FAT
	printf("Total sector: %d\n", reverseByte(fat32.Total_sector, 4));//Tong so sector, kich thuoc Volume
	printf("Sector per FAT: %d\n", reverseByte(fat32.SectorperFAT, 4));// so sector cho 1 bang fat
	printf("Root directory entries: %d\n", reverseByte(fat32.rdetEntry, 2)); // So Entry cho bang RDET

printf("first sector of FAT1: %d\n", reverseByte(fat32.reservedSector, 2)); // sector dau tien cua bang FAT1
	int s = int(reverseByte(fat32.reservedSector, 2)) + int(reverseByte(fat32.SectorperFAT, 4)) * int(fat32.fatCopy);
	printf("first sector of RDET: %d\n", s); // sector dau tien cua vung RDET 
	int d = s + int(reverseByte(fat32.rdetEntry, 2));
	printf("first sector of DATA: %d\n", s); // sector dau tien cua vung DATA
	return s;
}

void prinfInforOfEntry(mainEntry entry)
{
	printf("name of entry: %s\n", entry.name);
	printf("ext: %s\n", entry.ext);
	printf("attrib: %s\n", entry.attrib);

printf("createtime: %s\n", entry.createtime);
	printf("createdate: %s\n", entry.createdate);
	printf("accessdate: %s\n", entry.accessdate);
	printf("clusterhigh: %s\n", entry.clusterhigh);

printf("modifiedtime: %s\n", entry.modifiedtime);
	printf("modifieddate: %s\n", entry.modifieddate);
	printf("clusterlow: %s\n", entry.clusterlow);
	printf("clusterhigh: %s\n", entry.filesize);
}

int main(int argc, TCHAR* argv[], TCHAR* envp[]) {

BYTE sector[512];
	NTFS ntfs;
	FAT32 fat32;
	mainEntry mEntry;

ReadSector(L"\\\\.\\H:", 0, sector,0);
	memcpy(&ntfs, sector, 512);

long size = 0;

if (ntfs.OEMID[0] == 'N')
		PrintFloppyInformationNTFS(ntfs);
	else
	{
		memcpy(&fat32, sector, 512);
		size = PrintFloppyInformationFAT32(fat32);
	}

BYTE entry[32];
	printf("%d", size * 512);
	ReadSector(L"\\\\.\\H:", 1, entry, size);
	memcpy(&mEntry, entry, 32);
	prinfInforOfEntry(mEntry);

system("pause");
}

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