使用Device IO Control 讀寫 USB Mass Storage
http://www.ezblog.idv.tw/Download/USBStorage.rar
這是一個不透過檔案系統,去讀寫USB Mass Storage 任何位置(包含FAT)的方式
首先需安裝微軟的DDK並include "usbioctl.h" , "usbdi.h" , "ntddscsi.h"
有幾個資料結構要定義
typedef struct _SCSI_Device_Info_
{
SCSI_PASS_THROUGH Spt;
BYTE Sense[ ];
BYTE Data[ ];
} SCSI_Device_Info, *pSCSI_Device_Info;
typedef struct _SCSI_PASS_THROUGH_WITH_BUFFERS
{
SCSI_PASS_THROUGH Spt;
ULONG Filler; // realign buffers to double word boundary
UCHAR ucSenseBuf[ SPT_SENSE_LENGTH ];
UCHAR ucDataBuf[ SPTWB_DATA_LENGTH ];
} SCSI_PASS_THROUGH_WITH_BUFFERS, *pSCSI_PASS_THROUGH_WITH_BUFFERS;
typedef struct _SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER
{
SCSI_PASS_THROUGH_DIRECT sptd;
ULONG Filler; // realign buffer to double word boundary
UCHAR ucSenseBuf[ SPT_SENSE_LENGTH ];
} SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER, *pSCSI_PASS_THROUGH_DIRECT_WITH_BUFFER; /*
* Required UFI Commands
*/
#define UFI_FORMAT_UNIT 0x04 // output
#define UFI_INQUIRY 0x12 // input
#define UFI_MODE_SELECT 0x55 // output
#define UFI_MODE_SENSE_6 0x1A // input
#define UFI_MODE_SENSE_10 0x5A // input
#define UFI_PREVENT_MEDIUM_REMOVAL 0x1E
#define UFI_READ_10 0x28 // input
#define UFI_READ_12 0xA8 // input
#define UFI_READ_CAPACITY 0x25 // input
#define UFI_READ_FORMAT_CAPACITY 0x23 // input
#define UFI_REQUEST_SENSE 0x03 // input
#define UFI_REZERO_UNIT 0x01
#define UFI_SEEK_10 0x2B
#define UFI_SEND_DIAGNOSTIC 0x1D
#define UFI_START_UNIT 0x1B
#define UFI_TEST_UNIT_READY 0x00
#define UFI_VERIFY 0x2F
#define UFI_WRITE_10 0x2A // output
#define UFI_WRITE_12 0xAA // output
#define UFI_WRITE_AND_VERIFY 0x2E // output
#define UFI_ALLOW_MEDIUM_REMOVAL UFI_PREVENT_MEDIUM_REMOVAL
#define UFI_STOP_UNIT UFI_START_UNIT bool CUSBStorDrive::m_OpenDrive()
{
char DriveStr[]; m_CloseDrive();
memset(DriveStr,0x00,); sprintf(DriveStr, "\\\\?\\%c:", m_cDrive);
m_hDrive = CreateFile(
DriveStr, // device interface name
GENERIC_READ | GENERIC_WRITE,// dwDesiredAccess
FILE_SHARE_READ | FILE_SHARE_WRITE,// dwShareMode
NULL,// lpSecurityAttributes
OPEN_EXISTING,// dwCreationDistribution
,// dwFlagsAndAttributes
NULL// hTemplateFile
);
if (m_hDrive == INVALID_HANDLE_VALUE)
{
m_LastErrCode = GetLastError();
return false;
}
return m_SendInquiry(m_hDrive);
} bool CUSBStorDrive::m_CloseDrive()
{
if (m_hDrive != NULL)
{
CloseHandle(m_hDrive);
}
m_hDrive = NULL;
return true;
} bool CUSBStorDrive::m_SendInquiry(HANDLE hDrive)
{
SCSI_Device_Info SCSIInfo =
{ };
DWORD ReturnLen;
BOOL bResult; if (hDrive == NULL) return false; SCSIInfo.Spt.Length = sizeof(SCSIInfo.Spt);
SCSIInfo.Spt.SenseInfoLength = sizeof(SCSIInfo.Sense);
SCSIInfo.Spt.DataTransferLength = sizeof(SCSIInfo.Data);
SCSIInfo.Spt.SenseInfoOffset = offsetof(SCSI_Device_Info, Sense);
SCSIInfo.Spt.DataBufferOffset = offsetof(SCSI_Device_Info, Data);
SCSIInfo.Spt.TimeOutValue = ;
SCSIInfo.Spt.DataIn = SCSI_IOCTL_DATA_IN;
SCSIInfo.Spt.CdbLength = ;
SCSIInfo.Spt.Cdb[] = UFI_INQUIRY; // inquiry opcode
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = sizeof(SCSIInfo.Data);
SCSIInfo.Spt.Cdb[] = 0x00; bResult = DeviceIoControl(
hDrive,
IOCTL_SCSI_PASS_THROUGH,
&SCSIInfo,
sizeof(SCSIInfo),
&SCSIInfo,
sizeof(SCSIInfo),
&ReturnLen,
FALSE);
if (bResult)
{
return true;
}
else
{
m_LastErrCode = GetLastError();
return false;
}
} bool CUSBStorDrive::m_ReadCapacity(HANDLE hDrive)
{
SCSI_Device_Info SCSIInfo =
{ };
DWORD ReturnLen;
BOOL bResult;
if (hDrive == NULL) return false; SCSIInfo.Spt.Length = sizeof(SCSIInfo.Spt);
SCSIInfo.Spt.SenseInfoLength = sizeof(SCSIInfo.Sense);
SCSIInfo.Spt.DataTransferLength = sizeof(SCSIInfo.Data);
SCSIInfo.Spt.SenseInfoOffset = offsetof(SCSI_Device_Info, Sense);
SCSIInfo.Spt.DataBufferOffset = offsetof(SCSI_Device_Info, Data);
SCSIInfo.Spt.TimeOutValue = ;
SCSIInfo.Spt.DataIn = SCSI_IOCTL_DATA_IN;
SCSIInfo.Spt.CdbLength = ;
SCSIInfo.Spt.Cdb[] = UFI_READ_CAPACITY; // Read Capacity opcode
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00; bResult = DeviceIoControl(
hDrive,
IOCTL_SCSI_PASS_THROUGH,
&SCSIInfo,
sizeof(SCSIInfo),
&SCSIInfo,
sizeof(SCSIInfo),
&ReturnLen,
FALSE);
if (bResult)
{
return true;
}
else
{
m_LastErrCode = GetLastError();
return false;
}
} bool CUSBStorDrive::m_ReadFormatCapacity(HANDLE hDrive)
{
SCSI_Device_Info SCSIInfo =
{ };
DWORD ReturnLen = ;
BOOL bResult = false;
if (hDrive == NULL) return false; WORD wAllocLeng = 0x0000; SCSIInfo.Spt.Length = sizeof(SCSIInfo.Spt);
SCSIInfo.Spt.SenseInfoLength = sizeof(SCSIInfo.Sense);
SCSIInfo.Spt.DataTransferLength = sizeof(SCSIInfo.Data);
SCSIInfo.Spt.SenseInfoOffset = offsetof(SCSI_Device_Info, Sense);
SCSIInfo.Spt.DataBufferOffset = offsetof(SCSI_Device_Info, Data);
SCSIInfo.Spt.TimeOutValue = ;
SCSIInfo.Spt.DataIn = SCSI_IOCTL_DATA_IN;
SCSIInfo.Spt.CdbLength = ;
SCSIInfo.Spt.Cdb[] = UFI_READ_FORMAT_CAPACITY; // Read format Capacity opcode
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = wAllocLeng >> ;//Allocation Length (MSB)
SCSIInfo.Spt.Cdb[] = wAllocLeng & 0x00FF;//Allocation Length (LSB)
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00;
SCSIInfo.Spt.Cdb[] = 0x00; bResult = DeviceIoControl(
hDrive,
IOCTL_SCSI_PASS_THROUGH,
&SCSIInfo,
sizeof(SCSIInfo),
&SCSIInfo,
sizeof(SCSIInfo),
&ReturnLen,
FALSE);
if (bResult)
{
//SCSIInfo.Data[];
return true;
}
else
{
m_LastErrCode = GetLastError();
return false;
}
} bool CUSBStorDrive::m_Read10WithBuffer(HANDLE hDrive,DWORD dwStartBlock,BYTE *pBuf,DWORD dwlength)
{
SCSI_PASS_THROUGH_WITH_BUFFERS SCSIDataWithBuf =
{ };
DWORD ReturnLen = ;
BOOL bResult = false;
WORD wBlocks = 0x0001;
BYTE *ptr = NULL;
int iCount = ; if (hDrive == NULL) return false;
if (pBuf == NULL) return false; SCSIDataWithBuf.Spt.Length = sizeof(SCSI_PASS_THROUGH);
SCSIDataWithBuf.Spt.SenseInfoLength = SPT_SENSE_LENGTH;
SCSIDataWithBuf.Spt.DataTransferLength = SPTWB_DATA_LENGTH;
SCSIDataWithBuf.Spt.PathId = ;
SCSIDataWithBuf.Spt.TargetId = ;
SCSIDataWithBuf.Spt.Lun = ;
SCSIDataWithBuf.Spt.TimeOutValue = TIME_OUT;
SCSIDataWithBuf.Spt.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS,ucSenseBuf);
SCSIDataWithBuf.Spt.DataBufferOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS,ucDataBuf);
SCSIDataWithBuf.Spt.DataIn = SCSI_IOCTL_DATA_IN;
SCSIDataWithBuf.Spt.CdbLength = ;
SCSIDataWithBuf.Spt.Cdb[] = UFI_READ_10;
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0xFF000000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x00FF0000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x0000FF00) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x000000FF);
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = (wBlocks & 0xFF00) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (wBlocks & 0x00FF);
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = 0x00; ptr = pBuf;
iCount = dwlength / SPTWB_DATA_LENGTH;
if ((dwlength % SPTWB_DATA_LENGTH) > ) iCount++;
int iPos = ;
for (int i=; i < iCount; i++)
{
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0xFF000000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x00FF0000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x0000FF00) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x000000FF); bResult = DeviceIoControl(
hDrive,
IOCTL_SCSI_PASS_THROUGH,
&SCSIDataWithBuf,
sizeof(SCSI_PASS_THROUGH_WITH_BUFFERS),
&SCSIDataWithBuf,
//length,
sizeof(SCSI_PASS_THROUGH_WITH_BUFFERS),
&ReturnLen,
FALSE);
if (bResult)
{
iPos = (i * )/iCount;
if (m_pWaitUISetPosProc != NULL)
{
(m_pWaitUISetPosProc)(,iPos);
}
if ((i+) == iCount) //last
{
memcpy(ptr,SCSIDataWithBuf.ucDataBuf,dwlength);
dwlength = ;
}
else
{
memcpy(ptr,SCSIDataWithBuf.ucDataBuf,SPTWB_DATA_LENGTH);
dwlength -= SPTWB_DATA_LENGTH;
}
ptr += SPTWB_DATA_LENGTH;
dwStartBlock ++;
}
else
{
m_LastErrCode = GetLastError();
break;
}
}
return bResult;
} bool CUSBStorDrive::m_Write10WithBuffer(HANDLE hDrive,DWORD dwStartBlock,BYTE *pBuf,DWORD dwlength)
{
SCSI_PASS_THROUGH_WITH_BUFFERS SCSIDataWithBuf =
{ };
DWORD ReturnLen = ;
WORD wBlocks = 0x0001;
BYTE *ptr = NULL;
BOOL bResult = false;
int iCount = ; if (hDrive == NULL) return false;
if (pBuf == NULL) return false; SCSIDataWithBuf.Spt.Length = sizeof(SCSI_PASS_THROUGH);
SCSIDataWithBuf.Spt.SenseInfoLength = SPT_SENSE_LENGTH;
SCSIDataWithBuf.Spt.DataTransferLength = SPTWB_DATA_LENGTH;
SCSIDataWithBuf.Spt.PathId = ;
SCSIDataWithBuf.Spt.TargetId = ;
SCSIDataWithBuf.Spt.Lun = ;
SCSIDataWithBuf.Spt.TimeOutValue = TIME_OUT;
SCSIDataWithBuf.Spt.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS,ucSenseBuf);
SCSIDataWithBuf.Spt.DataBufferOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS,ucDataBuf);
SCSIDataWithBuf.Spt.DataIn = SCSI_IOCTL_DATA_OUT;
SCSIDataWithBuf.Spt.CdbLength = ;
SCSIDataWithBuf.Spt.Cdb[] = UFI_WRITE_10;
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0xFF000000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x00FF0000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x0000FF00) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x000000FF);
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = (wBlocks & 0xFF00) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (wBlocks & 0x00FF);
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = 0x00;
SCSIDataWithBuf.Spt.Cdb[] = 0x00; ptr = pBuf;
iCount = dwlength / SPTWB_DATA_LENGTH;
if ((dwlength % SPTWB_DATA_LENGTH) > ) iCount++;
int iPos = ; for (int i=; i < iCount; i++)
{
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0xFF000000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x00FF0000) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x0000FF00) >> ;
SCSIDataWithBuf.Spt.Cdb[] = (dwStartBlock & 0x000000FF);
memset(SCSIDataWithBuf.ucDataBuf,0x00,SPTWB_DATA_LENGTH);
if (dwlength >= SPTWB_DATA_LENGTH)
{
memcpy(SCSIDataWithBuf.ucDataBuf,ptr,SPTWB_DATA_LENGTH);
}
else
{
memcpy(SCSIDataWithBuf.ucDataBuf,ptr,dwlength);
}
bResult = DeviceIoControl(
hDrive,
IOCTL_SCSI_PASS_THROUGH,
SCSIDataWithBuf,
sizeof(SCSI_PASS_THROUGH_WITH_BUFFERS),
SCSIDataWithBuf,
//length,
sizeof(SCSI_PASS_THROUGH_WITH_BUFFERS),
ReturnLen,
FALSE);
if (bResult)
{
iPos = (i * )/iCount;
if (m_pWaitUISetPosProc != NULL)
{
(m_pWaitUISetPosProc)(,iPos);
}
ptr += SPTWB_DATA_LENGTH;
dwStartBlock ++;
dwlength -= SPTWB_DATA_LENGTH;
}
else
{
m_LastErrCode = GetLastError();
break;
}
}
return bResult;
}
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