714 lines
20 KiB
C++
714 lines
20 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// WUDetect.cpp
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//
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// Copyright (C) Microsoft Corp. 1998
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// All rights reserved
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//
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/////////////////////////////////////////////////////////////////////////////
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//
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// Description:
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// DLL loaded by the install engine that exposes entry points
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// that can determines the installation status of legacy or complex
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// components. The dll name and entry points are specified for a
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// component in the CIF file.
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/////////////////////////////////////////////////////////////////////////////
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#include "wudetect.h"
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//#include <stdio.h>
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//#include <tTCHAR.h>
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//#include <nt.h>
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//#include <ntrtl.h>
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//#include <nturtl.h>
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//#include <windows.h>
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//#include <objbase.h>
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//#include <inseng.h>
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//#include <detdlls.h>
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//#include <utils2.h>
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/////////////////////////////////////////////////////////////////////////////
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// dwKeyType
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// Determines the registry root (HKLM, HKCU, etc) that the key lies under.
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//
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// Parameters:
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//
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// Comments :
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/////////////////////////////////////////////////////////////////////////////
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inline DWORD dwKeyType(TCHAR *szBuf, HKEY *phKey, TCHAR * szKeyName, DWORD dwSize)
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{
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DWORD dwStatus = ERROR_SUCCESS;
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TCHAR szRootType[MAX_PATH];
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if ( (GetStringField2(szBuf, 0, szRootType, sizeof(szRootType)/sizeof(TCHAR)) == 0) ||
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(GetStringField2(szBuf, 1, szKeyName, dwSize) == 0) )
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{
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dwStatus = ERROR_BADKEY;
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}
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else if ( lstrcmpi(HKEY_LOCAL_MACHINE_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_LOCAL_MACHINE;
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}
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else if ( lstrcmpi(HKEY_CURRENT_USER_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_CURRENT_USER;
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}
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else if ( lstrcmpi(HKEY_CLASSES_ROOT_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_CLASSES_ROOT;
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}
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else if ( lstrcmpi(HKEY_CURRENT_CONFIG_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_CURRENT_CONFIG;
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}
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else if ( lstrcmpi(HKEY_USERS_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_USERS;
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}
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else if ( lstrcmpi(HKEY_PERFORMANCE_DATA_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_PERFORMANCE_DATA;
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}
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else if ( lstrcmpi(HKEY_DYN_DATA_ROOT, szRootType) == 0 )
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{
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*phKey = HKEY_DYN_DATA;
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}
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else
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{
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dwStatus = ERROR_BADKEY;
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}
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return dwStatus;
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}
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/////////////////////////////////////////////////////////////////////////////
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// dwParseValue
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//
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// Parses out the registry key name, value, and type that needs to
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// be opened to determine the installation status of the component.
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/////////////////////////////////////////////////////////////////////////////
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inline DWORD dwParseValue(TCHAR * szBuf, TargetRegValue & targetValue)
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{
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DWORD dwStatus = ERROR_BADKEY;
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TCHAR szType[MAX_PATH]; // BUGBUG - get real value
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TCHAR szValue[MAX_PATH]; // BUGBUG - get real value
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// get the data type
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if ( (GetStringField2(szBuf, 0, targetValue.szName, sizeof(targetValue.szName)/sizeof(TCHAR)) != 0) &&
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(GetStringField2(szBuf, 1, szType, sizeof(szType)/sizeof(TCHAR)) != 0) )
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{
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if ( lstrcmpi(REG_NONE_TYPE, szType) == 0 )
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{
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targetValue.type = REG_NONE;
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dwStatus = ERROR_SUCCESS;
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}
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else
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{
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if ( GetStringField2(szBuf, 2, szValue, sizeof(szValue)/sizeof(TCHAR)) != 0 )
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{
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if ( lstrcmpi(REG_DWORD_TYPE, szType) == 0 )
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{
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targetValue.type = REG_DWORD;
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targetValue.dw = _ttol(szValue);
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dwStatus = ERROR_SUCCESS;
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}
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else if ( lstrcmpi(REG_SZ_TYPE, szType) == 0 )
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{
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targetValue.type = REG_SZ;
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lstrcpy(targetValue.sz, szValue);
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dwStatus = ERROR_SUCCESS;
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}
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}
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}
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}
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return dwStatus;
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}
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/////////////////////////////////////////////////////////////////////////////
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// fCompareVersion
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//
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// Returns: 1,0,-1 depending on whether dwVersion1 is greater than, equal, or
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// less than dwVersion2.
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/////////////////////////////////////////////////////////////////////////////
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inline int nCompareVersion(IN DWORD dwVer1,
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IN DWORD dwBuild1,
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IN DWORD dwVer2,
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IN DWORD dwBuild2)
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{
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int nResult = 0;
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if ( dwVer1 > dwVer2 )
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{
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nResult = 1;
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}
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else if ( dwVer1 < dwVer2 )
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{
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nResult = -1;
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}
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else if ( dwBuild1 > dwBuild2 ) // dwVer1 == dwVer2
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{
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nResult = 1;
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}
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else if ( dwBuild1 < dwBuild2 ) // dwVer1 == dwVer2
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{
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nResult = -1;
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}
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return nResult;
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}
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/////////////////////////////////////////////////////////////////////////////
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// GetCifEntry
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// Get an entry from the CIF file.
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//
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// Comments :
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// We get the value differently depending on whether we are being
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// called by IE 4 or IE 5 Active Setup.
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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//
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// Function FGetCifEntry
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//---------------------------------------------------------------------------
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//
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// Return Value --- TRUE if Successfully retrieved CIF file value
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// FALSE if failed
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// Parameter
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// TCHAR* pszParamName --- [IN] Name of the CIF file
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// TCHAR* pszParamValue --- [OUT] Value of the CIF file
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// DWORD cbParamValue --- size of the pszParamValue in TCHAR
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// NOTE: This function calls GetCustomData to retrieve the value of CIF file
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// GetCustomData is defined in inseng.h which takes only ANSI strings.
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// Thus, UNICODE version of this function needed to convert parameters
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// to and from ANSI compatibles.
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// NOTE: This is a global function. Don't mixed with member function of
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// CExpressionParser::fGetCifEntry
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//
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/////////////////////////////////////////////////////////////////////////////
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//
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// Modified by RogerJ, 03/09/00
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// Original Creator Unknown (YanL?)
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// Modification --- UNICODE and Win64 enabled
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//
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/////////////////////////////////////////////////////////////////////////////
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inline bool FGetCifEntry(DETECTION_STRUCT* pDetection,
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TCHAR *pszParamName,
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TCHAR *pszParamValue,
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DWORD cbParamValue)
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// pszParamName is [IN], pszParamValue is [OUT], the function GetCustomData requires
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// LPSTR for both parameters, string conversion is necessary in the UNICODE case
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{
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#ifdef UNICODE
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bool fSucceed;
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char pszParamNameANSI[MAX_PATH];
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char pszParamValueANSI[MAX_PATH];
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// do UNICODE to ANSI string conversion
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// only pszParamName [IN] parameter need to be converted
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// wcstombs and mbstowcs do not ensure the last character is NULL
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// ensure manually
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wcstombs(pszParamNameANSI,pszParamName,MAX_PATH-1);
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pszParamNameANSI[MAX_PATH-1]=NULL;
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// make actual function call
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fSucceed= (ERROR_SUCCESS == pDetection->pCifComp->GetCustomData(pszParamNameANSI,
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pszParamValueANSI,
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cbParamValue));
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// do ANSI to UNICODE string conversion
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// only pszParamValue [OUT] parameter need to be converted
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mbstowcs(pszParamValue,pszParamValueANSI,cbParamValue-1);
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pszParamValue[cbParamValue-1]=(TCHAR)NULL;
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return fSucceed;
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#else
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return (ERROR_SUCCESS == pDetection->pCifComp->GetCustomData(pszParamName,
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pszParamValue,
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cbParamValue));
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#endif
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}
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/////////////////////////////////////////////////////////////////////////////
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// RegKeyExists (EXPORT)
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// This API will determine if an application exists based on the
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// existence of a registry key and perhaps a value.
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//
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// Parameters:
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//
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// Comments :
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/////////////////////////////////////////////////////////////////////////////
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DWORD WINAPI RegKeyExists(DETECTION_STRUCT *pDetection)
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{
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DWORD dwInstallStatus = DET_NOTINSTALLED;
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HKEY hKeyRoot;
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HKEY hKey;
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DWORD type;
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TCHAR szTargetKeyName[MAX_PATH];
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TCHAR szTargetKeyValue[MAX_PATH];
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TCHAR szBuf[MAX_PATH];
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DWORD dwStatus;
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//DWORD dwLen;
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// make sure the struct is of the expected size
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if ( (pDetection->dwSize >= sizeof(DETECTION_STRUCT)) )
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{
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// get the registry key name from the components section of the
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// CIF file.
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if ( FGetCifEntry(pDetection, DETREG_KEY, szBuf, sizeof(szBuf)/sizeof(TCHAR)) )
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{
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if ( (dwStatus = dwKeyType(szBuf, &hKeyRoot, szTargetKeyName, sizeof(szTargetKeyName)/sizeof(TCHAR))) == ERROR_SUCCESS )
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{
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// determine if we should log transmissions
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if ( RegOpenKeyEx( hKeyRoot,
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szTargetKeyName,
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0,
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KEY_QUERY_VALUE,
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&hKey) == ERROR_SUCCESS )
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{
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if ( FGetCifEntry(pDetection, DETREG_VALUE, szTargetKeyValue, sizeof(szTargetKeyValue)/sizeof(TCHAR)) )
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{
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TargetRegValue targetValue;
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dwStatus = dwParseValue(szTargetKeyValue, targetValue);
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if ( dwStatus == ERROR_SUCCESS )
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{
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ActualKeyValue keyvalue;
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DWORD size = sizeof(keyvalue);
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if ( RegQueryValueEx(hKey,
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targetValue.szName,
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0,
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&type,
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(BYTE *)&keyvalue,
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&size) == ERROR_SUCCESS )
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{
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switch ( targetValue.type )
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{
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case REG_NONE:
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{
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dwInstallStatus = DET_INSTALLED;
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break;
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}
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case REG_DWORD:
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{
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if ( (type == REG_DWORD) ||
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((type == REG_BINARY) && (size >= sizeof(DWORD))) )
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{
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// see if we have a match
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if ( targetValue.dw == keyvalue.dw )
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{
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*pDetection->pdwInstalledVer = 1;
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*pDetection->pdwInstalledBuild = 1;
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dwInstallStatus = DET_INSTALLED;
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}
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}
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break;
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}
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case REG_SZ:
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{
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if ( type == REG_SZ )
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{
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if ( lstrcmpi(targetValue.sz, keyvalue.sz) == 0 )
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{
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*pDetection->pdwInstalledVer = 1;
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*pDetection->pdwInstalledBuild = 1;
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dwInstallStatus = DET_INSTALLED;
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}
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}
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break;
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}
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} // switch
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}
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}
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}
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else
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{
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// no REG value so, REGPATH is sufficient to determine
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// installation.
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*pDetection->pdwInstalledVer = 1;
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*pDetection->pdwInstalledBuild = 1;
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dwInstallStatus = DET_INSTALLED;
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}
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RegCloseKey(hKey);
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}
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}
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}
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}
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return dwInstallStatus;
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}
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/////////////////////////////////////////////////////////////////////////////
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// RegKeyVersion (EXPORT)
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//
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// This API will determine if an application exists based on the
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// existence of a version number in the registry.
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/////////////////////////////////////////////////////////////////////////////
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DWORD WINAPI RegKeyVersion(DETECTION_STRUCT *pDetection)
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{
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DWORD dwInstallStatus = DET_NOTINSTALLED;
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HKEY hKeyRoot;
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HKEY hKey;
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DWORD type;
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TCHAR szTargetKeyName[MAX_PATH];
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TCHAR szTargetKeyValue[MAX_PATH];
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TCHAR szAskVersion[MAX_PATH];
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//TCHAR szVersion[MAX_VERSION_STRING_LEN];
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TCHAR szBuf[MAX_PATH];
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//DWORD dwStatus;
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//DWORD dwLen;
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DWORD dwVer;
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DWORD dwBuild;
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DWORD dwAskVer;
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DWORD dwAskBuild;
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// make sure the struct is of the expected size
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if ( pDetection->dwSize < sizeof(DETECTION_STRUCT) )
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{
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goto cleanup;
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}
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// get the registry key name from the components section of the
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// CIF file.
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if ( FGetCifEntry(pDetection, DETREG_KEY, szBuf, sizeof(szBuf)/sizeof(TCHAR)) &&
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(dwKeyType(szBuf, &hKeyRoot, szTargetKeyName, sizeof(szTargetKeyName)/sizeof(TCHAR)) == ERROR_SUCCESS) )
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{
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if ( RegOpenKeyEx( hKeyRoot,
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szTargetKeyName,
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0,
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KEY_QUERY_VALUE,
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&hKey) == ERROR_SUCCESS )
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{
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if ( FGetCifEntry(pDetection, DETREG_VERSION, szBuf, sizeof(szBuf)/sizeof(TCHAR)) &&
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(GetStringField2(szBuf, 0, szTargetKeyValue, sizeof(szTargetKeyValue)/sizeof(TCHAR)) != 0) )
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{
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DWORD size = sizeof(szBuf);
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if (GetStringField2(szBuf, 1, szAskVersion, sizeof(szAskVersion)/sizeof(TCHAR)) != 0)
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{
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fConvertDotVersionStrToDwords(szAskVersion, &dwAskVer, &dwAskBuild);
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}
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else
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{
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dwAskVer = pDetection->dwAskVer;
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dwAskBuild = pDetection->dwAskBuild;
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}
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if ( RegQueryValueEx(hKey,
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szTargetKeyValue,
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0,
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&type,
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(BYTE *)szBuf,
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&size) == ERROR_SUCCESS )
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{
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if ( type == REG_SZ )
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{
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fConvertDotVersionStrToDwords(szBuf, &dwVer, &dwBuild);
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if ( nCompareVersion(dwVer, dwBuild, dwAskVer, dwAskBuild) >= 0 )
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{
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*pDetection->pdwInstalledVer = 1;
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*pDetection->pdwInstalledBuild = 1;
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dwInstallStatus = DET_INSTALLED;
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}
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}
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}
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}
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RegCloseKey(hKey);
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}
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}
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cleanup:
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return dwInstallStatus;
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}
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/////////////////////////////////////////////////////////////////////////////
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// RegKeySubStr (EXPORT)
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//
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// This API will determine if an application exists based on the
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// existence of one of a number of sub strings in the data.
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/////////////////////////////////////////////////////////////////////////////
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DWORD WINAPI RegKeySubStr(DETECTION_STRUCT *pDetection)
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{
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DWORD dwInstallStatus = DET_NOTINSTALLED;
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HKEY hKeyRoot;
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HKEY hKey;
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DWORD type;
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TCHAR szTargetKeyName[MAX_PATH];
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TCHAR szTargetKeyValue[MAX_PATH];
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TCHAR szKeyMissingStatus[MAX_PATH];
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TCHAR szData[MAX_PATH];
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TCHAR szSubStr[MAX_PATH];
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//TCHAR szTmp[MAX_PATH];
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TCHAR szBuf[MAX_PATH];
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//DWORD dwStatus;
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//DWORD dwLen;
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//DWORD dwVer;
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//DWORD dwBuild;
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// make sure the struct is of the expected size
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if ( pDetection->dwSize < sizeof(DETECTION_STRUCT) )
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{
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goto cleanup;
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}
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// get the registry key name from the components section of the
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// CIF file.
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if ( FGetCifEntry(pDetection, DETREG_KEY, szBuf, sizeof(szBuf)/sizeof(TCHAR)) &&
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(dwKeyType(szBuf, &hKeyRoot, szTargetKeyName, sizeof(szTargetKeyName)/sizeof(TCHAR)) == ERROR_SUCCESS) )
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{
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if ( RegOpenKeyEx( hKeyRoot,
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szTargetKeyName,
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0,
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KEY_QUERY_VALUE,
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&hKey) == ERROR_SUCCESS )
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{
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if ( FGetCifEntry(pDetection, DETREG_SUBSTR, szBuf, sizeof(szBuf)/sizeof(TCHAR)) &&
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(GetStringField2(szBuf, 0, szTargetKeyValue, sizeof(szTargetKeyValue)/sizeof(TCHAR)) != 0) &&
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(GetStringField2(szBuf, 1, szKeyMissingStatus, sizeof(szKeyMissingStatus)/sizeof(TCHAR)) != 0) )
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{
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DWORD size = sizeof(szData);
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if ( RegQueryValueEx(hKey,
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szTargetKeyValue,
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0,
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&type,
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(BYTE *)szData,
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&size) == ERROR_SUCCESS )
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{
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if ( type == REG_SZ )
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{
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_tcslwr(szData);
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// iterate thru the substrings looking for a match.
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int index = 2;
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while ( GetStringField2(szBuf, index, szSubStr, sizeof(szSubStr)/sizeof(TCHAR)) != 0 )
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{
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_tcslwr(szSubStr);
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if ( _tcsstr(szData, szSubStr) != NULL )
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{
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*pDetection->pdwInstalledVer = 1;
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*pDetection->pdwInstalledBuild = 1;
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dwInstallStatus = DET_INSTALLED;
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goto quit_while;
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}
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index++;
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}
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quit_while:;
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}
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}
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else
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{
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// if we get an error, assume the key does not exist. Note that if
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// the status is DETFIELD_NOT_INSTALLED then we don't have to do
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// anything since that is the default status.
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if ( lstrcmpi(DETFIELD_INSTALLED, szKeyMissingStatus) == 0 )
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{
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dwInstallStatus = DET_INSTALLED;
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}
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}
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}
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RegCloseKey(hKey);
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}
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}
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cleanup:
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return dwInstallStatus;
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}
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/////////////////////////////////////////////////////////////////////////////
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// MinFileVersion (EXPORT)
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// This API will determine if an application exists based on the
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// minimum version of a file.
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//
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// Parameters:
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//
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// Comments :
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/////////////////////////////////////////////////////////////////////////////
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DWORD WINAPI MinFileVersion(DETECTION_STRUCT *pDetection)
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{
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DWORD dwInstallStatus = DET_INSTALLED;
|
|
TCHAR szDllName[MAX_PATH];
|
|
TCHAR szVersion[MAX_PATH];
|
|
DWORD dwSize;
|
|
DWORD dwHandle;
|
|
TCHAR *pszVerInfo[MAX_PATH];
|
|
VS_FIXEDFILEINFO *vsVerInfo;
|
|
UINT uLen;
|
|
|
|
// make sure the struct is of the expected size
|
|
if ( pDetection->dwSize >= sizeof(DETECTION_STRUCT) )
|
|
{
|
|
// get the dll name and version from the components section of the
|
|
// CIF file.
|
|
if ( FGetCifEntry(pDetection, DETREG_KEY, szDllName, sizeof(szDllName)/sizeof(TCHAR)) )
|
|
{
|
|
if ( FGetCifEntry(pDetection, DETREG_VALUE, szVersion, sizeof(szVersion)/sizeof(TCHAR)) )
|
|
{
|
|
PTSTR pszPoint = szDllName;
|
|
PTSTR pszPoint2 = szDllName;
|
|
TCHAR szNewDllName[MAX_PATH];
|
|
|
|
while (*pszPoint != '\0')
|
|
{
|
|
if (*pszPoint == '%')
|
|
{
|
|
*pszPoint = '\0';
|
|
pszPoint += 1;
|
|
|
|
pszPoint2 = pszPoint;
|
|
|
|
while (pszPoint2 != '\0')
|
|
{
|
|
if (*pszPoint2 == '%')
|
|
{
|
|
*pszPoint2 = '\0';
|
|
pszPoint2 += 1;
|
|
break;
|
|
}
|
|
pszPoint2 += 1;
|
|
}
|
|
break;
|
|
}
|
|
pszPoint += 1;
|
|
}
|
|
|
|
if (lstrcmpi(pszPoint, TEXT("11")) == 0)
|
|
{
|
|
TCHAR szSystemDir[MAX_PATH];
|
|
GetSystemDirectory(szSystemDir, sizeof(szSystemDir)/sizeof(TCHAR));
|
|
lstrcpy(szNewDllName, szSystemDir);
|
|
if ((lstrlen(szSystemDir) + lstrlen(pszPoint2)) < sizeof(szNewDllName)/sizeof(TCHAR))
|
|
{
|
|
lstrcat(szNewDllName, pszPoint2);
|
|
}
|
|
}
|
|
|
|
dwSize = GetFileVersionInfoSize(szNewDllName, &dwHandle);
|
|
if (dwSize > 0)
|
|
{
|
|
if(dwSize > MAX_PATH)
|
|
dwSize = MAX_PATH;
|
|
|
|
GetFileVersionInfo(szNewDllName, dwHandle, dwSize, &pszVerInfo);
|
|
VerQueryValue(&pszVerInfo, TEXT("\\"), (void **) &vsVerInfo, &uLen);
|
|
|
|
DWORD dwDllVersion[4];
|
|
DWORD dwCheckVersion[4];
|
|
|
|
dwDllVersion[0] = HIWORD(vsVerInfo->dwProductVersionMS);
|
|
dwDllVersion[1] = LOWORD(vsVerInfo->dwProductVersionMS);
|
|
dwDllVersion[2] = HIWORD(vsVerInfo->dwProductVersionLS);
|
|
dwDllVersion[3] = LOWORD(vsVerInfo->dwProductVersionLS);
|
|
|
|
pszPoint = szVersion;
|
|
pszPoint2 = szVersion;
|
|
|
|
INT i = 0;
|
|
|
|
while (*pszPoint != '\0')
|
|
{
|
|
if (*pszPoint == ',')
|
|
{
|
|
*pszPoint = '\0';
|
|
dwCheckVersion[i] = _ttol(pszPoint2);
|
|
i += 1;
|
|
pszPoint2 = pszPoint + 1;
|
|
}
|
|
pszPoint += 1;
|
|
}
|
|
dwCheckVersion[i] = _ttol(pszPoint2);
|
|
|
|
for (i = 0; i < 4; i += 1)
|
|
{
|
|
if (dwDllVersion[i] < dwCheckVersion[i])
|
|
{
|
|
dwInstallStatus = DET_NOTINSTALLED;
|
|
}
|
|
}
|
|
} else {
|
|
dwInstallStatus = DET_NOTINSTALLED;
|
|
}
|
|
|
|
*pDetection->pdwInstalledVer = 1;
|
|
*pDetection->pdwInstalledBuild = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
return dwInstallStatus;
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Expression (EXPORT)
|
|
//
|
|
// This API will evaluate a boolean expression where every operand is a
|
|
// detection operation.
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
const DWORD MAX_EXPRESSION_LEN = 1024;
|
|
|
|
DWORD WINAPI Expression(DETECTION_STRUCT *pDetection)
|
|
{
|
|
DWORD dwInstallStatus = DET_NOTINSTALLED;
|
|
//HKEY hKeyRoot;
|
|
//HKEY hKey;
|
|
//DWORD type;
|
|
//TCHAR szTargetKeyName[MAX_PATH];
|
|
//TCHAR szTargetKeyValue[MAX_PATH];
|
|
//TCHAR szKeyMissingStatus[MAX_PATH];
|
|
//TCHAR szData[MAX_PATH];
|
|
//TCHAR szSubStr[MAX_PATH];
|
|
//TCHAR szTmp[MAX_PATH];
|
|
TCHAR szExpression[MAX_EXPRESSION_LEN];
|
|
//DWORD dwStatus;
|
|
//DWORD dwLen;
|
|
//DWORD dwVer;
|
|
//DWORD dwBuild;
|
|
|
|
// make sure the struct is of the expected size
|
|
if ( pDetection->dwSize < sizeof(DETECTION_STRUCT) )
|
|
{
|
|
goto cleanup;
|
|
}
|
|
|
|
// get the expression.
|
|
if ( FGetCifEntry(pDetection, DET_EXPRESSION, szExpression, sizeof(szExpression)/sizeof(TCHAR)) )
|
|
{
|
|
CExpressionParser expression(pDetection);
|
|
bool fResult = TRUE;
|
|
HRESULT hr = expression.fEvalExpression(szExpression, &fResult);
|
|
|
|
if ( SUCCEEDED(hr) && fResult)
|
|
{
|
|
*pDetection->pdwInstalledVer = 1;
|
|
*pDetection->pdwInstalledBuild = 1;
|
|
dwInstallStatus = DET_INSTALLED;
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
return dwInstallStatus;
|
|
}
|