487 lines
13 KiB
C++
487 lines
13 KiB
C++
//***************************************************************************
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// Copyright (c) Microsoft Corporation
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//
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// Module Name:
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// GENERAL.CPP
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//
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// Abstract:
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// Source file that that contains general functions implementation.
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//
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// Author:
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// Vasundhara .G
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//
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// Revision History:
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// Vasundhara .G 9-oct-2k : Created It.
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//***************************************************************************
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#include "pch.h"
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#include "EventConsumerProvider.h"
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#include "General.h"
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#include "resource.h"
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extern HMODULE g_hModule;
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//
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// internal functions ... private
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//
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//***************************************************************************
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// Routine Description:
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// Returns the variant string for a variable of type LPCTSTR .
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//
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// Arguments:
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// pszValue [in] - A LPCTSTR value to convert into varaint type.
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// pVariant [in/out] - A VARAINT type variable which hold the variant
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// type for the given LPCTSTR string.
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//
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// Return Value:
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// A Variant type string.
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//***************************************************************************
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inline VARIANT* AsVariant( LPCTSTR pszValue, VARIANT* pVariant )
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{
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// local variables
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WCHAR wszValue[ MAX_STRING_LENGTH + 1 ] = L"\0";
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// set the variant structure
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VariantInit( pVariant );
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pVariant->vt = VT_BSTR;
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pVariant->bstrVal = GetAsUnicodeString( pszValue, wszValue, MAX_STRING_LENGTH );
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// return the out parameter itself as the return value
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return pVariant;
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}
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//***************************************************************************
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// Routine Description:
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// Returns the variant value for a variable of type DWORD .
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//
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// Arguments:
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// dwValue [in] - A DWORD value to convert into varaint type.
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// pVariant [in/out] - A VARAINT type variable which hold the variant
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// type for the given DWORD.
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//
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// Return Value:
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// A Variant type string.
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//***************************************************************************
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inline VARIANT* AsVariant( DWORD dwValue, VARIANT* pVariant )
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{
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// set the variant structure
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VariantInit( pVariant );
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pVariant->vt = VT_UI1;
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pVariant->ulVal = dwValue;
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// return the out parameter itself as the return value
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return pVariant;
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}
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//***************************************************************************
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// Routine Description:
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// Get the value of a property for the given instance .
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//
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// Arguments:
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// pWmiObject[in] - A pointer to wmi class.
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// szProperty [in] - property name whose value to be returned.
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// dwType [in] - Data Type of the property.
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// pValue [in/out] - Variable to hold the data.
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// dwSize [in] - size of the variable.
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//
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// Return Value:
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// HRESULT value.
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//***************************************************************************
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HRESULT PropertyGet( IWbemClassObject* pWmiObject,
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LPCTSTR szProperty,
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DWORD dwType, LPVOID pValue, DWORD dwSize )
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{
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// local variables
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HRESULT hr = S_OK;
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VARIANT varValue;
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LPWSTR pwszValue = NULL;
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WCHAR wszProperty[ MAX_STRING_LENGTH ] = L"\0";
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// value should not be NULL
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if ( pValue == NULL )
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{
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return S_FALSE;
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}
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// initialize the values with zeros ... to be on safe side
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memset( pValue, 0, dwSize );
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memset( wszProperty, 0, MAX_STRING_LENGTH );
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// get the property name in UNICODE version
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GetAsUnicodeString( szProperty, wszProperty, MAX_STRING_LENGTH );
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// initialize the variant and then get the value of the specified property
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VariantInit( &varValue );
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hr = pWmiObject->Get( wszProperty, 0, &varValue, NULL, NULL );
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if ( FAILED( hr ) )
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{
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// clear the variant variable
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VariantClear( &varValue );
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// failed to get the value for the property
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return hr;
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}
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// get and put the value
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switch( varValue.vt )
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{
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case VT_EMPTY:
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case VT_NULL:
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break;
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case VT_I2:
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*( ( short* ) pValue ) = V_I2( &varValue );
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break;
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case VT_I4:
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*( ( long* ) pValue ) = V_I4( &varValue );
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break;
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case VT_R4:
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*( ( float* ) pValue ) = V_R4( &varValue );
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break;
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case VT_R8:
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*( ( double* ) pValue ) = V_R8( &varValue );
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break;
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case VT_UI1:
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*( ( UINT* ) pValue ) = V_UI1( &varValue );
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break;
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case VT_BSTR:
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{
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// get the unicode value
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pwszValue = V_BSTR( &varValue );
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// get the comptable string
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GetCompatibleStringFromUnicode( pwszValue, ( LPTSTR ) pValue, dwSize );
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break;
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}
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}
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// clear the variant variable
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VariantClear( &varValue );
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// inform success
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return S_OK;
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}
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//***************************************************************************
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// Routine Description:
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// putt the value of a property for the given instance .
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//
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// Arguments:
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// pWmiObject[in] - A pointer to wmi class.
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// szProperty [in] - property name whose value to be set.
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// SZValue [in/out] - Variable that hold the data.
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//
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// Return Value:
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// HRESULT value.
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//***************************************************************************
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HRESULT PropertyPut( IWbemClassObject* pWmiObject, LPCTSTR szProperty, LPCTSTR szValue )
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{
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// local variables
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HRESULT hr;
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VARIANT var;
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WCHAR wszProperty[ MAX_STRING_LENGTH + 1 ] = L"\0";
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// put the value
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hr = pWmiObject->Put( GetAsUnicodeString( szProperty, wszProperty, MAX_STRING_LENGTH ),
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0, AsVariant( szValue, &var ), VT_BSTR );
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// clear the variant
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VariantClear( &var );
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// now check the result of 'put' operation
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if ( FAILED( hr ) )
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{
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return hr; // put has failed
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}
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// put is success ... inform the same
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return S_OK;
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}
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//***************************************************************************
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// Routine Description:
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// put the value of a property for the given instance .
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//
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// Arguments:
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// pWmiObject[in] - A pointer to wmi class.
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// szProperty [in] - property name whose value to be set.
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// dwValue [in] - Variable that hold the data.
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//
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// Return Value:
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// HRESULT value.
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//***************************************************************************
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HRESULT PropertyPut( IWbemClassObject* pWmiObject, LPCTSTR szProperty, DWORD dwValue )
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{
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// local variables
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HRESULT hr = S_OK;
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VARIANT var;
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WCHAR wszProperty[ MAX_STRING_LENGTH + 1 ] = L"\0";
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// put the value
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hr = pWmiObject->Put( GetAsUnicodeString( szProperty, wszProperty, MAX_STRING_LENGTH ),
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0, AsVariant( dwValue, &var ), VT_UI1 );
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// clear the variant
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VariantClear( &var );
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// now check the result of 'put' operation
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if ( FAILED( hr ) )
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{
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return hr; // put has failed
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}
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// put is success ... inform the same
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return S_OK;
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}
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//***************************************************************************
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// Routine Description:
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// To write the log into log file.
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//
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// Arguments:
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// lpErrString [in] - text that hold the status of creating a trigger.
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// lpTrigName [in] - trigger name.
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//
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// Return Value:
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// none.
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//***************************************************************************
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VOID ErrorLog( LPCTSTR lpErrString, LPWSTR lpTrigName, DWORD dwID )
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{
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LPTSTR lpTemp = NULL;
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LPSTR lpFilePath = NULL;
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FILE *fLogFile = NULL;
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DWORD dwResult = 0;
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LPTSTR lpResStr = NULL;
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if( ( lpErrString == NULL ) || ( lpTrigName == NULL ) )
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return;
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lpResStr = ( LPTSTR ) __calloc( MAX_RES_STRING1 + 1, sizeof( TCHAR ) );
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lpTemp = ( LPTSTR )calloc( MAX_RES_STRING1, sizeof( TCHAR ) );
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if( ( lpTemp == NULL ) || ( lpResStr == NULL ) )
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{
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FREESTRING( lpTemp );
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FREESTRING( lpResStr );
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return;
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}
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dwResult = GetWindowsDirectory( lpTemp, MAX_RES_STRING1 );
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if( dwResult == 0 )
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{
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FREESTRING( lpTemp );
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FREESTRING( lpResStr );
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return;
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}
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lstrcat( lpTemp, LOG_FILE_PATH );
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CreateDirectory( lpTemp, NULL );
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lstrcat( lpTemp, LOG_FILE );
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lpFilePath = ( LPSTR )calloc( MAX_RES_STRING1, sizeof( TCHAR ) );
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if( lpFilePath == NULL )
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{
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FREESTRING( lpTemp );
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FREESTRING( lpResStr );
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return;
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}
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GetAsMultiByteString( lpTemp, lpFilePath, MAX_RES_STRING1 );
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memset( lpTemp, 0, MAX_RES_STRING * sizeof( TCHAR ) );
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if ( (fLogFile = fopen( lpFilePath, "a" )) != NULL )
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{
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LPSTR lpReason = NULL;
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lpReason = ( LPSTR )calloc( MAX_RES_STRING1, sizeof( TCHAR ) );
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if( lpReason == NULL )
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{
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FREESTRING( lpTemp );
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FREESTRING( lpResStr );
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FREESTRING( lpFilePath );
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fclose( fLogFile );
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return;
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}
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GetFormattedTime( lpTemp );
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if( lpTemp == NULL )
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{
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FREESTRING( lpResStr );
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FREESTRING( lpFilePath );
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return;
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}
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GetAsMultiByteString( NEW_LINE, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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GetAsMultiByteString( lpTemp, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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memset( lpTemp, 0, MAX_RES_STRING1 * sizeof( TCHAR ) );
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LoadStringW( g_hModule, IDS_TRIGGERNAME, lpResStr, MAX_RES_STRING1 );
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lstrcpy( lpTemp, lpResStr );
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lstrcat( lpTemp, lpTrigName );
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GetAsMultiByteString( NEW_LINE, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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GetAsMultiByteString( lpTemp, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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memset( lpTemp, 0, MAX_RES_STRING1 * sizeof( TCHAR ) );
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LoadStringW( g_hModule, IDS_TRIGGERID, lpResStr, MAX_RES_STRING1 );
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wsprintf( lpTemp, lpResStr, dwID );
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GetAsMultiByteString( NEW_LINE, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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GetAsMultiByteString( lpTemp, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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memset( lpTemp, 0, MAX_RES_STRING1 * sizeof( TCHAR ) );
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lstrcat( lpTemp, lpErrString );
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GetAsMultiByteString( NEW_LINE, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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GetAsMultiByteString( lpTemp, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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GetAsMultiByteString( NEW_LINE, lpReason, MAX_RES_STRING1 );
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fprintf( fLogFile, lpReason );
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free( lpReason );
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fclose( fLogFile );
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}
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FREESTRING( lpTemp );
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FREESTRING( lpResStr );
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FREESTRING( lpFilePath );
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}
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//***************************************************************************
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// Routine Description:
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// Get the system date and time in specified format .
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//
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// Arguments:
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// lpDate [in/out] - string that holds the current date.
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//
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// Return Value:
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// None.
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//***************************************************************************
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VOID GetFormattedTime( LPTSTR lpDate )
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{
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TCHAR szTime[MAX_STRING_LENGTH];
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INT cch = 0;
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if( lpDate == NULL )
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return;
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cch = GetDateFormat( LOCALE_USER_DEFAULT, 0, NULL, DATE_FORMAT, szTime, SIZE_OF_ARRAY( szTime ) );
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// cch includes null terminator, change it to a space to separate from time.
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szTime[ cch - 1 ] = ' ';
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// Get time and format to characters
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GetTimeFormat( LOCALE_USER_DEFAULT, NULL, NULL, TIME_FORMAT, szTime + cch, SIZE_OF_ARRAY( szTime ) - cch );
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lstrcpy( lpDate, ( LPTSTR )szTime );
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return;
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}
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/******************************************************************************
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// Routine Description:
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// This routine splits the input parameters into 2 substrings and returns it.
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//
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// Arguments:
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// szInput [in] : Input string.
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// szFirstString [in/out] : First Output string containing the path of the
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// file.
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// szSecondString [in/out]: The second output containing the paramters.
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//
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// Return Value :
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// A BOOL value indicating TRUE on success else FALSE
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// on failure
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******************************************************************************/
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BOOL ProcessFilePath( LPTSTR szInput, LPTSTR szFirstString, LPTSTR szSecondString )
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{
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_TCHAR *pszTok = NULL ;
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_TCHAR *pszSep = NULL ;
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_TCHAR szTmpString[MAX_RES_STRING] = NULL_STRING;
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_TCHAR szTmpInStr[MAX_RES_STRING] = NULL_STRING;
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_TCHAR szTmpOutStr[MAX_RES_STRING] = NULL_STRING;
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_TCHAR szTmpString1[MAX_RES_STRING] = NULL_STRING;
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DWORD dwCnt = 0 ;
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DWORD dwLen = 0 ;
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#ifdef _WIN64
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INT64 dwPos ;
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#else
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DWORD dwPos ;
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#endif
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//checking if the input parameters are NULL and if so
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// return FAILURE. This condition will not come
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// but checking for safety sake.
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if( ( szInput == NULL ) || ( _tcslen( szInput ) == 0 ) )
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{
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return FALSE;
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}
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_tcscpy( szTmpString, szInput );
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_tcscpy( szTmpString1, szInput );
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_tcscpy( szTmpInStr, szInput );
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// check for first double quote (")
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if ( szTmpInStr[0] == SINGLE_QUOTE_CHAR )
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{
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// trim the first double quote
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StrTrim( szTmpInStr, SINGLE_QUOTE_STRING );
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// check for end double quote
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pszSep = _tcschr( szTmpInStr, SINGLE_QUOTE_CHAR ) ;
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// get the position
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dwPos = pszSep - szTmpInStr + 1;
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}
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else
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{
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// check for the space
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pszSep = _tcschr( szTmpInStr, CHAR_SPACE ) ;
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// get the position
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dwPos = pszSep - szTmpInStr;
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}
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if ( pszSep != NULL )
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{
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szTmpInStr[dwPos] = NULL_CHAR;
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}
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else
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{
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_tcscpy( szFirstString, szTmpString );
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_tcscpy( szSecondString, NULL_STRING );
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return TRUE;
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}
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// intialize the variable
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dwCnt = 0 ;
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// get the length of the string
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dwLen = _tcslen ( szTmpString );
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// check for end of string
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while ( ( dwPos <= dwLen ) && szTmpString[dwPos++] != NULL_CHAR )
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{
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szTmpOutStr[dwCnt++] = szTmpString[dwPos];
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}
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// trim the executable and arguments
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StrTrim( szTmpInStr, SINGLE_QUOTE_STRING );
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StrTrim( szTmpInStr, STRING_SPACE );
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_tcscpy( szFirstString, szTmpInStr );
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_tcscpy( szSecondString, szTmpOutStr );
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// return success
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return TRUE;
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}
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