360 lines
8.8 KiB
C++
360 lines
8.8 KiB
C++
/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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metautil.cpp
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Abstract:
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Useful functions for dealing with the metabase
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Author:
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Magnus Hedlund (MagnusH) --
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Revision History:
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--*/
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#include "stdafx.h"
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#include "smtpcmn.h"
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#include "cmultisz.h"
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#include "oleutil.h"
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#include "metautil.h"
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#include "metakey.h"
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// Metabase property manipulation:
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BOOL StdGetMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, BOOL fDefault, BOOL * pfOut, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdGetMetabaseProp<BOOL>" );
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HRESULT hr;
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DWORD dwTemp;
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hr = pMB->GetDword ( wszPath, dwID, &dwTemp, dwFlags, dwUserType );
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if ( hr == MD_ERROR_DATA_NOT_FOUND ) {
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// Couldn't find property, use defaults.
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DebugTraceX ( 0, "Using default for ID: %d", dwID );
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dwTemp = fDefault;
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hr = NOERROR;
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}
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BAIL_ON_FAILURE(hr);
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*pfOut = dwTemp;
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Exit:
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to get metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdGetMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, DWORD dwDefault, DWORD * pdwOut, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdGetMetabaseProp<DWORD>" );
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DWORD dwTemp;
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HRESULT hr;
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hr = pMB->GetDword ( wszPath, dwID, &dwTemp, dwFlags, dwUserType );
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if ( hr == MD_ERROR_DATA_NOT_FOUND ) {
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// Couldn't find property, use defaults.
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DebugTraceX ( 0, "Using default for ID: %d", dwID );
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dwTemp = dwDefault;
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hr = NOERROR;
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}
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BAIL_ON_FAILURE(hr);
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*pdwOut = dwTemp;
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Exit:
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to get metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdGetMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, LPCWSTR wszDefault, BSTR * pstrOut, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdGetMetabaseProp <BSTR>" );
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HRESULT hr = NOERROR;
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BSTR strNew = NULL;
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DWORD cbRequired = 0;
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DWORD cchRequired = 0;
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BOOL fUseDefault = FALSE;
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// Get the length of the string to retrieve:
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hr = pMB->GetDataSize ( wszPath, dwID, STRING_METADATA, &cbRequired, dwFlags, dwUserType );
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cchRequired = cbRequired / sizeof ( WCHAR );
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// Is the value there?
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if ( hr == MD_ERROR_DATA_NOT_FOUND ) {
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// No, so use the default that was passed in.
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DebugTraceX ( 0, "Using default for ID: %d", dwID );
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fUseDefault = TRUE;
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hr = NOERROR;
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}
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BAIL_ON_FAILURE(hr);
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if ( !fUseDefault ) {
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strNew = ::SysAllocStringLen ( NULL, cbRequired );
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if ( !strNew ) {
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FatalTrace ( 0, "Out of memory" );
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BAIL_WITH_FAILURE(hr, E_OUTOFMEMORY);
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}
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// Get the metabase string:
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hr = pMB->GetString ( wszPath, dwID, strNew, cbRequired, dwFlags, dwUserType );
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BAIL_ON_FAILURE(hr);
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}
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if ( fUseDefault ) {
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// Use the default:
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DebugTraceX ( 0, "Using default for ID: %d", dwID );
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strNew = ::SysAllocString ( wszDefault );
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if ( !strNew ) {
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FatalTrace ( 0, "Out of memory" );
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BAIL_WITH_FAILURE(hr, E_OUTOFMEMORY);
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}
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}
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SAFE_FREE_BSTR ( *pstrOut );
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*pstrOut = strNew;
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Exit:
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to get metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdGetMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, LPCWSTR mszDefault, CMultiSz * pmszOut, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdGetMetabaseProp <CMultiSz>" );
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HRESULT hr = NOERROR;
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BSTR strNew = NULL;
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DWORD cbRequired = 0;
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DWORD cchRequired = 0;
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BOOL fUseDefault = FALSE;
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LPWSTR msz = NULL;
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// Get the length of the string to retrieve:
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hr = pMB->GetDataSize ( wszPath, dwID, MULTISZ_METADATA, &cbRequired, dwFlags, dwUserType );
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cchRequired = cbRequired / sizeof ( WCHAR );
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// Is the value there?
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if ( hr == MD_ERROR_DATA_NOT_FOUND ) {
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// No, so use the default that was passed in.
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DebugTraceX ( 0, "Using default for ID: %d", dwID );
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fUseDefault = TRUE;
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hr = NOERROR;
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}
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BAIL_ON_FAILURE(hr);
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if ( !fUseDefault ) {
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msz = new WCHAR [ cchRequired ];
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if ( !msz ) {
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FatalTrace ( 0, "Out of memory" );
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BAIL_WITH_FAILURE(hr, E_OUTOFMEMORY);
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}
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// Get the metabase string:
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hr = pMB->GetData ( wszPath, dwID, dwUserType, MULTISZ_METADATA, msz, &cbRequired, dwFlags );
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BAIL_ON_FAILURE(hr);
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*pmszOut = msz;
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}
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if ( fUseDefault ) {
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// Use the default:
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DebugTraceX ( 0, "Using default for ID: %d", dwID );
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*pmszOut = mszDefault;
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}
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if ( !*pmszOut ) {
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BAIL_WITH_FAILURE(hr, E_OUTOFMEMORY);
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}
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Exit:
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delete msz;
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to get metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdPutMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, BOOL fValue, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdPutMetabaseProp <BOOL>" );
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HRESULT hr;
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hr = pMB->SetDword ( wszPath, dwID, fValue, dwFlags, dwUserType );
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to put metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdPutMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, DWORD dwValue, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdPutMetabaseProp <DWORD>" );
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HRESULT hr;
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hr = pMB->SetDword ( wszPath, dwID, dwValue, dwFlags, dwUserType );
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to put metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdPutMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, BSTR strValue, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdPutMetabaseProp <BSTR>" );
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_ASSERT ( strValue );
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HRESULT hr;
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if ( !strValue ) {
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// Just skip it, but log the trace.
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FatalTrace ( 0, "strValue should not be NULL here" );
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return TRUE;
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}
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hr = pMB->SetString ( wszPath, dwID, strValue, dwFlags, dwUserType );
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BAIL_ON_FAILURE (hr);
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Exit:
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to put metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL StdPutMetabaseProp ( CMetabaseKey * pMB, DWORD dwID, CMultiSz * pmszValue, LPCWSTR wszPath, DWORD dwUserType, DWORD dwFlags )
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{
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TraceQuietEnter ( "StdPutMetabaseProp <BSTR>" );
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_ASSERT ( pmszValue );
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if ( !*pmszValue ) {
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// Just skip it, but log the trace.
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FatalTrace ( 0, "strValue should not be NULL here" );
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return TRUE;
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}
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HRESULT hr;
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DWORD cbMultiSz;
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LPCWSTR wszValue;
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cbMultiSz = pmszValue->SizeInBytes ();
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wszValue = *pmszValue;
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hr = pMB->SetData ( wszPath, dwID, dwUserType, MULTISZ_METADATA, (void *) wszValue, cbMultiSz, dwFlags );
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BAIL_ON_FAILURE (hr);
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Exit:
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if ( FAILED(hr) ) {
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ErrorTraceX ( 0, "Failed to put metabase property ID: %d, Error: %x", dwID, hr );
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SetLastError ( HRESULTTOWIN32 ( hr ) );
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}
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return SUCCEEDED(hr);
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}
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BOOL HasKeyChanged ( IMSAdminBase * pMetabase, METADATA_HANDLE hKey, const FILETIME * pftLastChanged, LPCWSTR wszSubKey )
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{
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TraceFunctEnter ( "HasKeyChanged" );
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FILETIME ftNew;
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HRESULT hr = NOERROR;
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BOOL fResult = FALSE;
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if ( pftLastChanged->dwHighDateTime == 0 && pftLastChanged->dwLowDateTime == 0 ) {
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ErrorTrace ( 0, "Last changed time is NULL" );
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// No setting, so say it hasn't changed:
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goto Exit;
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}
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hr = pMetabase->GetLastChangeTime ( hKey, wszSubKey, &ftNew, FALSE );
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if ( FAILED (hr) ) {
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ErrorTrace ( 0, "Failed to get last change time: %x", hr );
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// This is an unexpected error. Ignore it.
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goto Exit;
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}
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// Has the metabase been changed since last time?
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// Time can't go backwards:
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_ASSERT ( ftNew.dwHighDateTime >= pftLastChanged->dwHighDateTime );
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_ASSERT ( ftNew.dwLowDateTime >= pftLastChanged->dwLowDateTime ||
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ftNew.dwHighDateTime > pftLastChanged->dwHighDateTime );
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if ( ftNew.dwHighDateTime != pftLastChanged->dwHighDateTime ||
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ftNew.dwLowDateTime != pftLastChanged->dwLowDateTime ) {
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fResult = TRUE;
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}
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Exit:
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TraceFunctLeave ();
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return FALSE;
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}
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BOOL IsValidIntegerSubKey ( LPCWSTR wszSubKey )
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{
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TraceQuietEnter ( "IsValidIntegerSubKey" );
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WCHAR wszIntegerKey [ METADATA_MAX_NAME_LEN ];
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DWORD dwItemValue;
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dwItemValue = _wtoi ( wszSubKey );
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wsprintf ( wszIntegerKey, _T("%d"), dwItemValue );
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// If the key is nonzero AND
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// The key is just the itoa value of the number:
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if ( dwItemValue != 0 &&
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lstrcmp ( wszIntegerKey, wszSubKey ) == 0 ) {
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return TRUE;
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}
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else {
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return FALSE;
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}
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}
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