windows-nt/Source/XPSP1/NT/admin/admt/common/commonlib/pwdfuncs.cpp

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2020-09-26 03:20:57 -05:00
#ifdef USE_STDAFX
#include "stdafx.h"
#else
#include <windows.h>
//#include <stdio.h>
#endif
#include <stdio.h>
#include <NtSecApi.h>
#include <comdef.h>
#include <io.h>
#include <winioctl.h>
#include <lm.h>
#include <Dsgetdc.h>
#include "mcsdmmsg.h"
#include "pwdfuncs.h"
#include "PWGen.hpp"
#include "UString.hpp"
using namespace _com_util;
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 9 DEC 2000 *
* *
* This function is responsible for enumerating all floppy drives*
* on this server. *
* *
*********************************************************************/
//BEGIN EnumLocalDrives
_bstr_t EnumLocalDrives()
{
/* local constants */
const int ENTRY_SIZE = 4; // Drive letter, colon, backslash, NULL
/* local variables */
_bstr_t strDrives = L"";
WCHAR sDriveList[MAX_PATH];
DWORD dwRes;
/* function body */
try
{
dwRes = GetLogicalDriveStrings(MAX_PATH, sDriveList);
if (dwRes != 0)
{
LPWSTR pTmpBuf = sDriveList;
//check each one to see if it is a floppy drive
while (*pTmpBuf != NULL)
{
//check the type of this drive
UINT uiType = GetDriveType(pTmpBuf);
if ((uiType == DRIVE_REMOVABLE) || (uiType == DRIVE_FIXED) ||
(uiType == DRIVE_CDROM) || (uiType == DRIVE_RAMDISK))
{
strDrives += pTmpBuf;
strDrives += L",";
}
pTmpBuf += ENTRY_SIZE;
}
//remove the trailing ','
WCHAR* pEnd = (WCHAR*)strDrives;
pEnd[strDrives.length() - 1] = L'\0';
}
else
{
_com_issue_error(HRESULT_FROM_WIN32(GetLastError()));
}
}
catch (...)
{
throw;
}
return strDrives;
}
//END EnumLocalDrives
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 9 DEC 2000 *
* *
* This function is responsible for saving binary data to a given*
* file path on a floppy drive. *
* *
*********************************************************************/
//BEGIN StoreDataToFloppy
void StoreDataToFloppy(LPCWSTR sPath, _variant_t & varData)
{
/* local variables */
FILE * floppyfile = NULL;
LPBYTE pByte = NULL;
HRESULT hr;
/* function body */
try
{
//check incoming parameters
if ((!sPath) || (varData.vt != (VT_ARRAY | VT_UI1)) ||
(!varData.parray))
{
_com_issue_error(HRESULT_FROM_WIN32(E_INVALIDARG));
}
//open the file
floppyfile = _wfopen(sPath, L"wb");
if (!floppyfile)
_com_issue_error(HRESULT_FROM_WIN32(CO_E_FAILEDTOCREATEFILE));
//get the array size
long uLBound, uUBound;
size_t uSLength;
hr = SafeArrayGetLBound(varData.parray, 1, &uLBound);
if (FAILED(hr))
_com_issue_error(hr);
hr = SafeArrayGetUBound(varData.parray, 1, &uUBound);
if (FAILED(hr))
_com_issue_error(hr);
uSLength = size_t(uUBound - uLBound + 1);
//write the data to the file
hr = SafeArrayAccessData(varData.parray,(void**)&pByte);
if (FAILED(hr))
_com_issue_error(hr);
if (fwrite((void *)pByte, 1, uSLength, floppyfile) != uSLength)
_com_issue_error(HRESULT_FROM_WIN32(ERROR_WRITE_FAULT));
hr = SafeArrayUnaccessData(varData.parray);
if (FAILED(hr))
_com_issue_error(hr);
//close the file
if (floppyfile)
fclose(floppyfile);
}
catch (...)
{
if (floppyfile)
fclose(floppyfile);
throw;
}
}
//END StoreDataToFloppy
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 9 DEC 2000 *
* *
* This function is responsible for retrieving binary data from a*
* given file path on a floppy drive. The _variant_t variable *
* returned is of the type VT_UI1 | VT_ARRAY upoin success or *
* VT_EMPTY upon a failure. *
* *
*********************************************************************/
//BEGIN GetDataFromFloppy
_variant_t GetDataFromFloppy(LPCWSTR sPath)
{
/* local variables */
FILE * floppyfile = NULL;
LPBYTE pByte = NULL;
HRESULT hr;
_variant_t varData;
SAFEARRAY * pSa = NULL;
SAFEARRAYBOUND bd;
/* function body */
try
{
//check incoming parameters
if (!sPath)
_com_issue_error(HRESULT_FROM_WIN32(E_INVALIDARG));
//path must have the '\' escaped
// _bstr_t sFile = EscapeThePath(sPath);
//open the file
floppyfile = _wfopen(sPath, L"rb");
if (!floppyfile)
_com_issue_error(HRESULT_FROM_WIN32(ERROR_TOO_MANY_OPEN_FILES));
//get the number of bytes in the file
long fileLen = _filelength(_fileno(floppyfile));
if (fileLen == -1)
_com_issue_error(HRESULT_FROM_WIN32(ERROR_READ_FAULT));
bd.cElements = fileLen;
bd.lLbound = 0;
//read the data from the file one byte at a time
pSa = SafeArrayCreate(VT_UI1, 1, &bd);
if (!pSa)
_com_issue_error(E_FAIL);
hr = SafeArrayAccessData(pSa,(void**)&pByte);
if (FAILED(hr))
_com_issue_error(hr);
long nTotalRead = 0;
while(!feof(floppyfile))
{
if (fread((void *)(pByte+nTotalRead), 1, 1, floppyfile) == 1)
nTotalRead++;
}
hr = SafeArrayUnaccessData(pSa);
if (FAILED(hr))
_com_issue_error(hr);
//close the file
if (floppyfile)
{
fclose(floppyfile);
floppyfile = NULL;
}
if (nTotalRead != fileLen)
_com_issue_error(HRESULT_FROM_WIN32(ERROR_READ_FAULT));
varData.vt = VT_UI1 | VT_ARRAY;
if (FAILED(SafeArrayCopy(pSa, &varData.parray)))
_com_issue_error(hr);
if (FAILED(SafeArrayDestroy(pSa)))
_com_issue_error(hr);
}
catch (...)
{
if (floppyfile)
fclose(floppyfile);
throw;
}
return varData;
}
//END GetDataFromFloppy
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 15 DEC 2000 *
* *
* This function is convert a _variant_t parameter of the type *
* VT_ARRAY | VT_UI1 and returns it in a char array. The caller must*
* free the array with the delete [] call. This function return NULL*
* if the data was not placed in the array. *
* *
*********************************************************************/
//BEGIN GetBinaryArrayFromVariant
char* GetBinaryArrayFromVariant(_variant_t varData)
{
/* local variables */
LPBYTE pByte = NULL;
HRESULT hr;
char * cArray;
int i;
/* function body */
//check incoming parameters
if ((varData.vt != (VT_ARRAY | VT_UI1)) || (!varData.parray))
return NULL;
//get the array size
long uLBound, uUBound, uSLength;
hr = SafeArrayGetLBound(varData.parray, 1, &uLBound);
if (FAILED(hr))
return NULL;
hr = SafeArrayGetUBound(varData.parray, 1, &uUBound);
if (FAILED(hr))
return NULL;
uSLength = uUBound - uLBound + 1;
//create an array to hold all this data
cArray = new char[uSLength+1];
if (!cArray)
return NULL;
//write the data to the file
hr = SafeArrayAccessData(varData.parray,(void**)&pByte);
if (FAILED(hr))
{
delete [] cArray;
return NULL;
}
for (i=0; i<uSLength; i++)
{
cArray[i] = pByte[i];
}
cArray[i] = L'\0';
hr = SafeArrayUnaccessData(varData.parray);
if (FAILED(hr))
{
delete [] cArray;
return NULL;
}
return cArray;
}
//END GetBinaryArrayFromVariant
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 15 DEC 2000 *
* *
* This function is convert a char array of binary data to a *
* _variant_t of the type VT_ARRAY | VT_UI1 and returns it. *
* *
*********************************************************************/
//BEGIN SetVariantWithBinaryArray
_variant_t SetVariantWithBinaryArray(char * aData, DWORD dwArray)
{
/* local variables */
LPBYTE pByte = NULL;
HRESULT hr;
_variant_t varData;
SAFEARRAY * pSa = NULL;
SAFEARRAYBOUND bd;
DWORD i;
/* function body */
//check incoming parameters
if (!aData)
return varData;
bd.cElements = dwArray;
bd.lLbound = 0;
//read the data from the file one byte at a time
pSa = SafeArrayCreate(VT_UI1, 1, &bd);
if (!pSa)
return varData;
hr = SafeArrayAccessData(pSa,(void**)&pByte);
if (FAILED(hr))
return varData;
for (i=0; i<dwArray; i++)
{
pByte[i] = aData[i];
}
hr = SafeArrayUnaccessData(pSa);
if (FAILED(hr))
return varData;
varData.vt = VT_UI1 | VT_ARRAY;
if (FAILED(SafeArrayCopy(pSa, &varData.parray)))
{
varData.Clear();
return varData;
}
SafeArrayDestroy(pSa);
return varData;
}
//END SetVariantWithBinaryArray
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 15 DEC 2000 *
* *
* This function is returns the size, in bytes, of the given *
* variant array. *
* *
*********************************************************************/
//BEGIN GetVariantArraySize
DWORD GetVariantArraySize(_variant_t & varData)
{
/* local variables */
HRESULT hr;
DWORD uSLength = 0;
long uLBound, uUBound;
/* function body */
//check incoming parameters
if ((varData.vt != (VT_ARRAY | VT_UI1)) || (!varData.parray))
return uSLength;
//get the array size
hr = SafeArrayGetLBound(varData.parray, 1, &uLBound);
if (FAILED(hr))
return uSLength;
hr = SafeArrayGetUBound(varData.parray, 1, &uUBound);
if (FAILED(hr))
return uSLength;
uSLength = DWORD(uUBound - uLBound + 1);
return uSLength;
}
//END GetVariantArraySize
/*********************************************************************
* *
* Written by: Paul Thompson *
* Date: 15 DEC 2000 *
* *
* This function is returns the size, in bytes, of the given *
* variant array. *
* *
*********************************************************************/
//BEGIN PrintVariant
void PrintVariant(const _variant_t & varData)
{
/* local variables */
HRESULT hr;
LPBYTE pByte = NULL;
long i;
WCHAR sData[MAX_PATH] = L"";
/* function body */
//check incoming parameters
if ((varData.vt != (VT_ARRAY | VT_UI1)) || (!varData.parray))
return;
//get the array size
long uLBound, uUBound, uSLength;
hr = SafeArrayGetLBound(varData.parray, 1, &uLBound);
if (FAILED(hr))
return;
hr = SafeArrayGetUBound(varData.parray, 1, &uUBound);
if (FAILED(hr))
return;
uSLength = uUBound - uLBound + 1;
//write the data to the file
hr = SafeArrayAccessData(varData.parray,(void**)&pByte);
if (FAILED(hr))
return;
FILE * myfile;
myfile = _wfopen(L"c:\\CryptCheck.txt", L"a+");
for (i=0; i<uSLength; i++)
{
fwprintf(myfile, L"%x ", pByte[i]);
}
hr = SafeArrayUnaccessData(varData.parray);
if (FAILED(hr))
return;
fwprintf(myfile, L"\n");
fclose(myfile);
return;
}
//END PrintVariant