Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

232 lines
8.7 KiB

/*****************************************************************************
Copyright (c) 1997-98 Intel Corp.
All Rights Reserved.
The source code contained or described herein and all documents
related to the source code ("Material") are owned by Intel Corporation
or its suppliers and licensors. Title to the Material remains with
Intel Corporation or its suppliers and licensors. The Material
contains trade secrets and proprietary and confidential information of
Intel or its suppliers and licensors. The Material is protected by
worldwide copyright and trade secret laws and treaty provisions. No
part of the Material may be used, copied, reproduced, modified,
published, uploaded, posted, transmitted, distributed, or disclosed in
any way without Intel's prior express written permission.
Unless otherwise expressly permitted by Intel in a separate license
agreement, use of the Material is subject to the copyright notices,
trademarks, warranty, use, and disclosure restrictions reflected on
the outside of the media, in the documents themselves, and in the
"About" or "Read Me" or similar file contained within this source
code, and identified as (name of the file) . Unless otherwise
expressly agreed by Intel in writing, you may not remove or alter such
notices in any way.
File: vxchange.c
Description: VxChane Console Mode File Copy utility
Revision: $Revision:$ // Do not delete or replace
Notes:
Major History:
When Who What
---------- ---------- ----------
03/06/98 Jey Created
*****************************************************************************/
#include <windows.h>
#include <winioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <vxchange.h>
void print_usage(char *module)
{
printf("\n%s usage: filename1 filename2 \n\n",module);
printf("Note: where filename1 is the source VPC file name\n");
printf(" where filename2 is the destination HOST file name\n\n");
}
int
__cdecl
main(
IN int argc,
IN char *argv[]
)
{
HANDLE hDevice;
VxChange_Attrs_t DriverAttrs;
DWORD BytesDone;
unsigned char *VpcFile;
unsigned char *HostFile;
HANDLE hVpc;
unsigned char *Data;
BOOLEAN rc;
if (argc < 3)
{
print_usage(argv[0]);
return 1;
}
// open the kernel mode driver
if ((hDevice = CreateFile("\\\\.\\VxChange",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
)) == ((HANDLE)-1))
{
printf("%s error: Can't get a handle to VxChange device\n", argv[0]);
return 2;
}
// get the Driver Attributes
if(!DeviceIoControl(
hDevice, // HANDLE hDevice, // handle to device of interest
IOCTL_VXCHANGE_GET_DRIVER_ATTRIBUTES, // DWORD dwIoControlCode, // control code of operation to perform
NULL, // LPVOID lpInBuffer, // pointer to buffer to supply input data
0, // DWORD nInBufferSize, // size of input buffer
&DriverAttrs, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
sizeof(VxChange_Attrs_t), // DWORD nOutBufferSize, // size of output buffer
&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
))
{
printf("%s error: Query Driver Attributes failed\n", argv[0]);
CloseHandle(hDevice);
return 3;
}
VpcFile = argv[1];
HostFile = argv[2];
// open/create the Vpc file
if ((hVpc = CreateFile(VpcFile,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
)) == ((HANDLE)-1))
{
printf("%s error: Can't open the Vpc file %s\n", argv[0], VpcFile);
return 4;
}
// open/create the Host file
if(!DeviceIoControl(
hDevice, // HANDLE hDevice, // handle to device of interest
IOCTL_VXCHANGE_CREATE_FILE, // DWORD dwIoControlCode, // control code of operation to perform
HostFile, // LPVOID lpInBuffer, // pointer to buffer to supply input data
MAX_PATH, // DWORD nInBufferSize, // size of input buffer
NULL, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
0, // DWORD nOutBufferSize, // size of output buffer
&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
))
{
printf("%s error: Can't open the Host file %s\n", argv[0], HostFile);
CloseHandle(hDevice);
CloseHandle(hVpc);
return 5;
}
#define DATA_BUFFER_SIZE 4096
// allocate 4096 bytes of memory and commit the pages
Data = (unsigned char *)VirtualAlloc(NULL, DATA_BUFFER_SIZE, MEM_COMMIT, PAGE_READWRITE);
if (Data == NULL)
{
printf("%s error: Can't allocate memory for data buffers\n", argv[0]);
CloseHandle(hDevice);
CloseHandle(hVpc);
return 6;
}
rc = TRUE;
// read from the source file and write to destination
while (rc)
{
// read data from the Vpc file
if (!ReadFile(
hVpc,
Data,
DATA_BUFFER_SIZE,
&BytesDone,
NULL))
{
printf("%s error: Can't read from the Vpc file %s\n", argv[0], VpcFile);
CloseHandle(hDevice);
CloseHandle(hVpc);
return 7;
}
if (BytesDone < DATA_BUFFER_SIZE)
rc = FALSE;
// write data to the Host file
if(!DeviceIoControl(
hDevice, // HANDLE hDevice, // handle to device of interest
IOCTL_VXCHANGE_WRITE_FILE, // DWORD dwIoControlCode, // control code of operation to perform
Data, // LPVOID lpInBuffer, // pointer to buffer to supply input data
BytesDone, // DWORD nInBufferSize, // size of input buffer
NULL, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
0, // DWORD nOutBufferSize, // size of output buffer
&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
))
{
printf("%s error: Can't write to the Host file %s\n", argv[0], HostFile);
CloseHandle(hDevice);
CloseHandle(hVpc);
return 8;
}
}
// close the Vpc file
CloseHandle(hVpc);
// close the Host file
if(!DeviceIoControl(
hDevice, // HANDLE hDevice, // handle to device of interest
IOCTL_VXCHANGE_CLOSE_FILE, // DWORD dwIoControlCode, // control code of operation to perform
NULL, // LPVOID lpInBuffer, // pointer to buffer to supply input data
0, // DWORD nInBufferSize, // size of input buffer
NULL, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
0, // DWORD nOutBufferSize, // size of output buffer
&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
))
{
printf("%s error: Can't open the Host file %s\n", argv[0], HostFile);
CloseHandle(hDevice);
CloseHandle(hVpc);
return 9;
}
CloseHandle(hDevice);
return 0;
}