헥사 에디터로 부트로더 복사하는게 영.. 수동이라.. 자동으로 가상 파일에 복사하는 프로그램을 만들었다.
첫 섹터에 파티션 정보를 읽어서 해당 FAT을 찾고 거기에 기존 BPB를 건너뛰고 부트코드만 복사하는 코드이다. 생각 같아선 디스크 관리 에서 이미지를 마운트 시켜서 드라이브로 바로 입력하고 싶었으나, Windows 7 에서 볼륨이 있는 부트섹터 접근을 막았다고 하나.. 어쨌듯 하는 방법을 몰라서 그냥 파일을 읽어서 쓰는 방법으로 작성했다.
// 2013. 08. 02
// mangg@manggong.org
//
//
// 가상이미지 파일에 부트로더 복사.
// 할일 없어서 이거나 주물럭 주물럭.
#include "stdafx.h"
#include <Windows.h>
#define PARTITION_POS 0x1BE
#pragma pack(push, 1)
typedef struct _PARTITION
{
BYTE ACTIVE; // 부팅 가능 플래그 (0x80 : 부팅 가능, 0x00 : 부팅 불가)
BYTE CHS_BEGIN[3];
BYTE TYPE; // 파티션 타입 ( 0x07:NTFS, 0x05:Extended Partition, 0x0B:FAT32, 0x0E:FAT16, 0x0F:Extended Partition, exp INT 13h
// 0x1B: Hidden FAT32, 0x42:Secure FileSystem, 0x82:Linux Swap partition, 0x83:Linux native file systems)
BYTE CHS_END[3];
INT32 LBA_START;
INT32 LENGTH;
} PARTITION, *PPARTITION;
typedef struct _FAT
{
BYTE CODE[3];
CHAR SYSTEMID[8];
WORD SECTOR_SIZE;
BYTE SECTOR_CLUSTER;
WORD RESERVED_SECTOR;
BYTE FAT_NUM;
WORD ROOT_DIRECTORY_ENTRY_CNT;
WORD TOTAL_SECTOR16;
BYTE MEDIATYPE;
WORD SECTOR_FAT16;
WORD SECTOR_TRACK;
WORD SECTOR_HEAD;
DWORD HIDDEN_SECTOR;
DWORD TOTAL_SECTOR32;
DWORD SECTOR_FAT32;
WORD EXT_FLAGS;
WORD VER;
DWORD ROOT_DIRECTORY_CLUSTER;
WORD INFO;
WORD BACKUP_BOOT_SECTOR;
BYTE RESERVED_ID[12];
BYTE PHYSICALDISK_TYPE;
BYTE RESERVED;
BYTE SIGNATURE;
DWORD VOLUMEID;
BYTE VOLUME_LABLE[11];
BYTE FILESYSTEM_TYPE[8];
} FAT32, *PFAT32;
#pragma pack(pop)
bool LoadBootloader(BYTE *pDiskInfo,TCHAR *BootloaderFile);
bool CopyBootloader(HANDLE hFile, __int64 sector, BYTE *pDiskInfo,TCHAR *BootloaderFile);
bool GetFAT(HANDLE hFile, __int64 sector, BYTE *pDiskInfo, PFAT32 FAT_INFO);
bool GetActivePartition(HANDLE hFile, BYTE *pDiskInfo, PPARTITION PartitionInfo);
bool DISK_WRITE(HANDLE hFile, __int64 sector, BYTE *pData, int sectorSize);
bool DISK_WRITE_PARTICLE(HANDLE hFile, __int64 sector, DWORD offset, BYTE *pData, int writeSize);
bool DISK_READ(HANDLE hFile, __int64 sector, BYTE *pData, int sectorSize);
void Print_PhysicalList()
{
TCHAR physical[65536];
TCHAR logical[65536];
QueryDosDevice(NULL, physical, sizeof(physical));
printf("Physical Drive Number : \n");
for (char *pos = physical; *pos; pos+=strlen(pos)+1)
{
QueryDosDevice(pos, logical, sizeof(logical));
if( strstr(pos, "Physical") != NULL )
{
printf("%s : %s\n", pos, logical);
}
}
}
int _tmain(int argc, _TCHAR* argv[])
{
HANDLE hFile;
TCHAR szDrive[MAX_PATH];
DWORD FAT_SECTOR = 0;
BYTE *pDiskInfo;
PARTITION PartitionInfo;
FAT32 FAT_INFO;
if( argc < 3 )
{
printf("Usage : bootcopy bootloader VirtualFile\n\n");
//Print_PhysicalList();
return -1;
}
_stprintf(szDrive, _T("%s"), argv[2]);
hFile = ::CreateFile(
szDrive,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
0,
NULL);
if( hFile == INVALID_HANDLE_VALUE )
{
printf("Don't read drive\n");
return -1;
}
pDiskInfo = (BYTE*)malloc(0x200);
if(pDiskInfo == NULL )
{
CloseHandle(hFile);
printf("Don't Allocate Memory\n");
return -1;
}
DWORD junk;
BOOL bResult;
char bs[255];
memset(bs,0,255);
/////////////////////////////////////////
// READ PARTITION INFO
if( GetActivePartition(hFile, pDiskInfo, &PartitionInfo) == false )
{
CloseHandle(hFile);
free(pDiskInfo);
printf("Don't Read Partition Info\n");
return -1;
}
/////////////////////////////////////////
// READ FAT32 INFO
if( GetFAT(hFile, PartitionInfo.LBA_START, pDiskInfo, &FAT_INFO) == false )
{
CloseHandle(hFile);
free(pDiskInfo);
printf("Don't Read FAT Info\n");
return -1;
}
/////////////////////////////////////////
// COPY BOOTLOADER
if( CopyBootloader(hFile, PartitionInfo.LBA_START, pDiskInfo, argv[1]) == false )
{
CloseHandle(hFile);
free(pDiskInfo);
printf("Don't Copy Bootloader\n");
return -1;
}
printf("Copy Success...\n");
free(pDiskInfo);
CloseHandle(hFile);
return 0;
}
bool DISK_READ(HANDLE hFile, __int64 sector, BYTE *pData, int sectorSize)
{
DWORD read = 0;
LARGE_INTEGER li;
li.QuadPart = (0x200 * sector) & ~(0x200-1);
if (::SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
{
::GetLastError();
return false;
}
if (!::ReadFile(hFile, pData, sectorSize, &read, NULL))
return false;
return true;
}
bool DISK_WRITE(HANDLE hFile, __int64 sector, BYTE *pData, int sectorSize)
{
DWORD written = 0;
LARGE_INTEGER li;
li.QuadPart = (0x200 * sector) & ~(0x200-1);
if (::SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
{
::GetLastError();
return false;
}
if (!::WriteFile(hFile, pData, sectorSize, &written, NULL))
return false;
return true;
}
bool DISK_WRITE_PARTICLE(HANDLE hFile, __int64 sector, DWORD offset, BYTE *pData, int writeSize)
{
DWORD written = 0;
LARGE_INTEGER li;
li.QuadPart = (0x200 * sector) & ~(0x200-1);
li.LowPart += offset;
if (::SetFilePointer(hFile, li.LowPart, &li.HighPart, FILE_BEGIN) == INVALID_SET_FILE_POINTER)
{
printf("SetFilePointer error : %d\n",::GetLastError());
return false;
}
if (!::WriteFile(hFile, pData, writeSize, &written, NULL))
{
return false;
}
return true;
}
bool GetFAT(HANDLE hFile, __int64 sector, BYTE *pDiskInfo, PFAT32 FAT_INFO)
{
DWORD read = 0;
if(DISK_READ(hFile, sector, pDiskInfo, 0x200) == false )
{
return false;
}
memcpy(FAT_INFO, pDiskInfo, sizeof(FAT32));
return true;
}
bool GetActivePartition(HANDLE hFile, BYTE *pDiskInfo, PPARTITION PartitionInfo)
{
PPARTITION PartitionTemp = NULL;
if( DISK_READ(hFile, 0, pDiskInfo, 0x200) == false )
return false;
for(int i = 0; i < 4; i++ )
{
PartitionTemp = (PPARTITION) (pDiskInfo + PARTITION_POS + (sizeof(PARTITION) * i));
if(PartitionTemp->ACTIVE == 0x80 )
{
memcpy(PartitionInfo, PartitionTemp, sizeof(PARTITION));
return true;
}
}
return false;
}
bool CopyBootloader(HANDLE hFile, __int64 sector, BYTE *pDiskInfo,TCHAR *BootloaderFile)
{
if( LoadBootloader(pDiskInfo, BootloaderFile) == false)
return false;
if( DISK_WRITE_PARTICLE(hFile, sector, 0, pDiskInfo, 3) == false )
{
printf("ERROR : Copy \"BOOT JMP CODE\" to DISK\n");
return false;
}
pDiskInfo += 0x5A;
if( DISK_WRITE_PARTICLE(hFile, sector, 0x5A, pDiskInfo, 0x200-0x5A) == false)
{
printf("ERROR : Copy \"BOOT CODE\" to DISK\n");
return false;
}
return true;
}
bool LoadBootloader(BYTE *pDiskInfo,TCHAR *BootloaderFile)
{
HANDLE hBOOTFile;
DWORD dwReadn;
hBOOTFile = ::CreateFile(
BootloaderFile,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
0,
NULL);
if( hBOOTFile == INVALID_HANDLE_VALUE )
{
printf("Don't open bootloader\n");
return false;
}
if(!::ReadFile(hBOOTFile, pDiskInfo, 0x200, &dwReadn, NULL))
{
printf("Don't read bootloader\n");
CloseHandle(hBOOTFile);
return false;
}
if(dwReadn != 0x200)
{
printf("Is not match bootloader size\n");
CloseHandle(hBOOTFile);
return false;
}
CloseHandle(hBOOTFile);
return true;
}
|
개발 환경
Windows 7
Visual Studio 2010
잘되면 내탓, 잘 못되면 조상탓.
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