Leaked source code of windows server 2003
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42 KiB

//++
//
// Copyright (c) 1999 Microsoft Corporation
//
// Module Name:
// CXMLParser.c
//
// Abstract:
// This file contains the functions used by System restore in
// order to real the XML encoded list of protected files. It
// also performs translations between symbols like %windir% to
// C:\windows
//
// Revision History:
// Eugene Mesgar (eugenem) 6/16/99
// created
// Kanwaljit Marok (kmarok ) 6/06/00
// rewritten for Whistler
//--
#include <windows.h>
#include <windowsx.h>
#include <stdlib.h>
#include <stdio.h>
#include <tchar.h>
#include <comdef.h>
#include <crtdbg.h>
#include <dbgtrace.h>
#include <shlobj.h>
#include <shlwapi.h>
#include <winreg.h>
#include <commonlib.h>
#include "msxml.h"
#include "xmlparser.h"
#include "utils.h"
#ifdef THIS_FILE
#undef THIS_FILE
#endif
static char __szTraceSourceFile[] = __FILE__;
#define THIS_FILE __szTraceSourceFile
//
// Local Define Section
//
#define MAX_BUF 1024
#define FILEID 0
//
// SAFERELEASE does a safe release on COM interfaces.
// Checks to see if not null, if so, calls release
// method on the interface. Then sets the interface to null.
//
#define SAFERELEASE(p) if (p) {(p)->Release(); p = NULL;} else ;
//
// Default string to be assigned to environment variables if
// cannot assign real folder
//
#define DEFAULT_UNKNOWN _TEXT("C:\\Unknown_")
#define ICW_REGKEY _TEXT("App Paths\\ICWCONN1.EXE")
//
// Local Utility functions
//
void FixInconsistantBlackslash(LPTSTR pszDirectory);
//
// The constructor
// Desc: Zero's all memory
//
CXMLFileListParser::CXMLFileListParser()
{
LONG lLoop;
m_pDoc = NULL;
for(lLoop = 0;lLoop < NUM_FILE_TYPES;lLoop++)
{
m_pDir[lLoop] = m_pExt[lLoop] = m_pFiles[lLoop] = NULL;
}
m_chDefaultType = _TEXT('i');
m_clComInitialized = 0;
}
CXMLFileListParser::~CXMLFileListParser()
{
LONG lLoop;
for(lLoop = 0;lLoop < NUM_FILE_TYPES;lLoop++)
{
SAFERELEASE( m_pDir[lLoop] );
SAFERELEASE( m_pExt[lLoop] );
SAFERELEASE( m_pFiles[lLoop] );
}
SAFERELEASE( m_pDoc );
//
// we need to do this in a loop
// so we don't leek resources with refcounting
//
for( lLoop = 0; lLoop < m_clComInitialized ;lLoop++)
{
CoUninitialize( ); // lets kill COM!
}
}
//
// Init overloaded
//
// Main intialization sequence
//
// 1) Initializes The Com Space and Creates an XML document
// 2) Loads in the specified file into the XML document object
// 3) Takes the document loads all the collections to populate
// our sub collections ( each list gets its own heading)
// 4) Sets up our Search->Replace settings
//
BOOL CXMLFileListParser::Init(LPCTSTR pszFile)
{
if(!Init())
{
return FALSE;
}
if(!ParseFile(pszFile))
{
return FALSE;
}
if(!LoadCollections())
{
return FALSE;
}
if( !PopulateReplaceEntries() )
{
return FALSE;
}
return TRUE;
}
BOOL CXMLFileListParser::Init()
{
HRESULT hr;
LONG clLoop;
TraceFunctEnter("Init");
//
// If we are reinitializing, make sure we free up old
// resources and clean up our internal variables
//
for( clLoop = 0; clLoop < NUM_FILE_TYPES; clLoop++)
{
SAFERELEASE( m_pDir[clLoop] );
SAFERELEASE( m_pExt[clLoop] );
SAFERELEASE( m_pFiles[clLoop] );
}
memset(m_adwVersion,0,sizeof(DWORD) * 4);
//
// Initialize our COM apartment space
//
hr = CoInitialize(NULL);
m_clComInitialized++;
//
// S_FALSE means the COM apartment space has been initliazed
// for this procss already
//
if( (hr != S_OK) && (hr != S_FALSE) )
{
ErrorTrace(FILEID,"CoInitialize Failed 0x%x", hr);
m_clComInitialized--;
goto cleanup;
}
//
// Create an instance of our XML document object
//
hr = CoCreateInstance(CLSID_XMLDocument, NULL, CLSCTX_INPROC_SERVER,
IID_IXMLDocument, (void**)&m_pDoc);
if( !m_pDoc || !SUCCEEDED(hr) )
{
ErrorTrace(FILEID,"CoCreateInstance Failed 0x%x", GetLastError());
goto cleanup;
}
TraceFunctLeave();
return(TRUE);
cleanup:
SAFERELEASE( m_pDoc );
TraceFunctLeave();
return(FALSE);
}
//
// Method: LoadCollections()
//
// Desc:
// This method goes through the XML file and finds the
// <FILES>, <DIRECTORIES>, <EXTENSIONS>, <DEFTYPE>, <VERSION>
// high level tags and then runs LoadOneCollection() on each of
// them in order to
// populate the high level m_pDir, m_pFiles, m_pExt arrays ( which
// have collections for
// include, exclude, sfp, etc )..
//
BOOL CXMLFileListParser::LoadCollections()
{
IXMLElement *pRoot = NULL, *pTempElement = NULL;
IXMLElementCollection *pChildren = NULL;
IDispatch *pDispatch = NULL;
BSTR stTagName;
HRESULT hr;
BSTR stTagValue;
TCHAR szBuf[MAX_BUFFER];
LONG clLoop, lCollectionSize;
TraceFunctEnter("CXMLFileListParser::LoadCollections");
_ASSERT(m_pDoc);
if( ( hr = m_pDoc->get_root( &pRoot) ) != S_OK )
{
ErrorTrace(FILEID, "IXMLDocument::GetRoot failed 0x%x",GetLastError());
goto cleanup;
}
if( ( hr = pRoot->get_tagName( &stTagName ) ) != S_OK )
{
ErrorTrace(FILEID, "IXMLElement::get_tagName failed 0x%x", hr );
goto cleanup;
}
if( ConvertAndFreeBSTR( stTagName, szBuf, MAX_BUFFER ) > MAX_BUFFER )
{
ErrorTrace(FILEID, "BSTR too large for buffer", 0);
goto cleanup;
}
//
// compare filesLPCT
//
if( _tcsicmp( _TEXT("PCHealthProtect"), szBuf ) )
{
ErrorTrace(FILEID, "Malformed XML file",0);
goto cleanup;
}
if( ( hr = pRoot->get_children( &pChildren ) ) != S_OK )
{
ErrorTrace(FILEID,"IXMLElement::get_children failed 0x%x", hr);
goto cleanup;
}
//
// we no longer need the root;
//
SAFERELEASE(pRoot);
if( (hr = pChildren->get_length(&lCollectionSize) ) != S_OK )
{
DebugTrace(FILEID,"Error Finding Length 0x%x", hr );
goto cleanup;
}
//
// lets get references to all the sub collections
//
for( clLoop = 0; clLoop < lCollectionSize; clLoop++)
{
VARIANT v1, v2;
v1.vt = VT_I4;
v2.vt = VT_EMPTY;
v1.lVal = clLoop;
//
// get a item from the collection
//
if( (hr = pChildren->item(v1,v2, &pDispatch) ) != S_OK )
{
ErrorTrace(FILEID, "Error pChildren->item 0x%x", hr);
goto cleanup;
}
if( ( hr = pDispatch->QueryInterface(IID_IXMLElement,
(void **) &pTempElement) ) != S_OK )
{
ErrorTrace(FILEID, "Error IDispatch::QueryInterface 0x%d", hr);
goto cleanup;
}
//
// lets see which collection it is
//
if( (hr = pTempElement->get_tagName( &stTagName ) ) != S_OK )
{
DebugTrace(FILEID, "Error in get_tagName 0x%x", hr );
goto cleanup;
}
if( ConvertAndFreeBSTR( stTagName, szBuf, MAX_BUFFER ) > MAX_BUFFER )
{
ErrorTrace(FILEID, "BSTR too large for buffer", 0);
goto cleanup;
}
if( !_tcsicmp( _TEXT("DIRECTORIES"), szBuf ) )
{
if( !LoadOneCollection(pTempElement, m_pDir ) )
{
ErrorTrace(FILEID,"Error Loading Collection",0);
goto cleanup;
}
}
else if( !_tcsicmp( _TEXT( "FILES"), szBuf ) )
{
if( !LoadOneCollection(pTempElement, m_pFiles ) )
{
ErrorTrace(FILEID,"Error Loading Collection",0);
goto cleanup;
}
}
else if( !_tcsicmp( _TEXT( "EXTENSIONS"), szBuf ) )
{
if( !LoadOneCollection(pTempElement, m_pExt ) )
{
ErrorTrace(FILEID,"Error Loading Collection",0);
goto cleanup;
}
}
else if( !_tcsicmp( _TEXT( "VERSION"), szBuf ) )
{
if( ParseVersion(pTempElement) == FALSE )
{
goto cleanup;
}
}
else if( !_tcsicmp( _TEXT( "DEFTYPE"), szBuf ) )
{
if( ( hr = pTempElement->get_text( &stTagValue ) ) != S_OK )
{
ErrorTrace(FILEID, "Error in IXMLElement::get_text 0x%x", hr);
goto cleanup;
}
if( ConvertAndFreeBSTR( stTagValue,
szBuf,
MAX_BUFFER ) > MAX_BUFFER )
{
ErrorTrace(FILEID, "Less space in BSTR to string buffer", 0);
goto cleanup;
}
//
// make sure trail, leaing spaces don't get us messed up;
//
TrimString(szBuf);
//
// empty string?
//
if( szBuf[0] == 0 )
{
ErrorTrace(FILEID, "Empty string passed to default type.",0);
goto cleanup;
}
m_chDefaultType = szBuf[0];
}
else
{
ErrorTrace(FILEID, "Undefiend XML tag in file.",0);
goto cleanup;
}
SAFERELEASE( pTempElement);
SAFERELEASE( pDispatch );
}
SAFERELEASE( pChildren );
TraceFunctLeave();
return TRUE;
cleanup:
SAFERELEASE( pTempElement );
SAFERELEASE( pDispatch );
SAFERELEASE( pRoot );
SAFERELEASE( pChildren );
TraceFunctLeave();
return FALSE;
}
//
// Method: LoadOneCollection(IXMLElement *, IXMLElementCollection **)
//
// Desc: Takes a high level node (like <FILES>) and then gets all
// the sub include,exclude,sfp collections and sets them up in the
// pCol array (usually passed a member variable like m_pDir, m_pFiles,
// etc).
//
BOOL CXMLFileListParser::LoadOneCollection(
IXMLElement *pColHead,
IXMLElementCollection **pCol )
{
HRESULT hr;
IXMLElementCollection *pChildren = NULL;
IXMLElement *pTempElement = NULL;
IDispatch *pDispatch = NULL;
LONG lCollectionSize, clLoop;
BSTR stTagName;
TCHAR szBuf[MAX_BUFFER];
_ASSERT( pColHead );
TraceFunctEnter("CXMLFileListParser::LoadOneCollection");
//
// Lets make sure we don't have a section called <FILES></FILES>
//
if( (hr = pColHead->get_children( &pChildren )) != S_OK )
{
ErrorTrace(FILEID,"Empty <FILES,EXT,DIRECTORY,etc section",0);
TraceFunctLeave();
return(TRUE);
}
if( (hr = pChildren->get_length( &lCollectionSize ) ) != S_OK )
{
DebugTrace(FILEID, "Error getting collection size. 0x%x", hr );
goto cleanup;
}
for( clLoop = 0; clLoop < lCollectionSize; clLoop++)
{
//
// Set up OLE style variant varaibles to loop through all the entires
//
VARIANT v1, v2;
v1.vt = VT_I4;
v2.vt = VT_EMPTY;
v1.lVal = clLoop;
//
// get a item from the collection
//
if( (hr = pChildren->item(v1,v2, &pDispatch) ) != S_OK )
{
ErrorTrace(FILEID, "Error pChildren->item 0x%x", hr);
goto cleanup;
}
if( ( hr = pDispatch->QueryInterface(IID_IXMLElement,
(void **) &pTempElement) ) != S_OK )
{
ErrorTrace(FILEID, "Error IDispatch::QueryInterface 0x%d", hr);
goto cleanup;
}
SAFERELEASE( pDispatch );
//
// lets see which collection it is
//
if( (hr = pTempElement->get_tagName( &stTagName ) ) != S_OK )
{
ErrorTrace(FILEID, "Error in get_tagName 0x%x", hr);
goto cleanup;
}
if( ConvertAndFreeBSTR( stTagName, szBuf, MAX_BUFFER) > MAX_BUFFER )
{
ErrorTrace(FILEID, "Not enough space to convert BString.",0);
goto cleanup;
}
if( !_tcsicmp( _TEXT("INCLUDE"), szBuf ) )
{
if( (hr = pTempElement->get_children( & pCol[INCLUDE_COLL] ) )
!= S_OK )
{
DebugTrace(FILEID,"Error in IXMLElement::get_children 0x%x",hr);
goto cleanup;
}
}
else if( !_tcsicmp( _TEXT( "EXCLUDE"), szBuf ) )
{
if( (hr = pTempElement->get_children( & pCol[EXCLUDE_COLL] ) )
!= S_OK )
{
DebugTrace(FILEID,"Error in IXMLElement::get_children 0x%x",hr);
goto cleanup;
}
}
else if( !_tcsicmp( _TEXT( "SNAPSHOT"), szBuf ) )
{
if( (hr = pTempElement->get_children( & pCol[SNAPSHOT_COLL] ) )
!= S_OK )
{
DebugTrace(FILEID,"Error in IXMLElement::get_children 0x%x",hr);
goto cleanup;
}
}
else
{
ErrorTrace(FILEID, "Undefiend XML tag in file.",0);
goto cleanup;
}
SAFERELEASE( pTempElement);
}
SAFERELEASE( pChildren );
TraceFunctLeave();
return TRUE;
cleanup:
SAFERELEASE( pTempElement );
SAFERELEASE( pDispatch );
SAFERELEASE( pChildren );
TraceFunctLeave();
return FALSE;
}
//
// Function: ParseFile(LPCTSR pszFile)
// Desc: Loads a file into the member variable m_pDoc.
//
BOOL CXMLFileListParser::ParseFile(LPCTSTR pszFile)
{
BSTR pBURL=NULL;
_bstr_t FileBuffer( pszFile );
HRESULT hr;
TraceFunctEnter("ParseFile");
pBURL = FileBuffer.copy();
if( !pBURL )
{
ErrorTrace(FILEID, "Error allocating space for a BSTR", 0);
goto cleanup;
}
if( (hr = m_pDoc->put_URL( pBURL ) ) != S_OK )
{
DebugTrace(FILEID, "Error m_pDoc->putUrl %0x%x", hr );
goto cleanup;
}
if( pBURL )
{
SysFreeString( pBURL );
}
TraceFunctLeave();
return(TRUE);
cleanup:
if( pBURL )
{
SysFreeString( pBURL );
}
TraceFunctLeave();
return(FALSE);
}
//
// Function: ParseVersion(IXMLElement *pVerElement)
//
//
// Desc: This funciton is called from LoadCollections() when it hits the element
// containing the XML files version. It takes an IXMLElement
// object and extracts the version into the m_adwVersion array
//
//
BOOL CXMLFileListParser::ParseVersion(IXMLElement *pVerElement)
{
HRESULT hr;
BSTR stTagValue;
TCHAR szTagValue[MAX_BUFFER];
TCHAR szBuf[256];
LONG clElement;
TraceFunctEnter("CXMLFileListParser::ParseVersionElement");
if( (hr = pVerElement->get_text( & stTagValue ) ) != S_OK )
{
DebugTrace(FILEID, "Error in IXMLElement::get_text 0x%x", hr );
goto cleanup;
}
if( ConvertAndFreeBSTR( stTagValue, szTagValue, MAX_BUFFER ) > MAX_BUFFER )
{
ErrorTrace(FILEID, "Error conveting the Bstring. Not enough buffer.",0);
goto cleanup;
}
for( clElement = 0; clElement < 4; clElement++ )
{
if( GetField(szTagValue,szBuf,clElement,_TEXT('.') ) == 0 )
break;
m_adwVersion[clElement] = _ttoi( szBuf );
}
TraceFunctLeave();
return(TRUE);
cleanup:
TraceFunctLeave();
return FALSE;
}
//
// XML Tree traversal and general accessor functions
// Exposed Wrappers: GetDirectory, GetFile, GetExt
// GetDirectoryCount, GetFileCount, GetExtCount
//
//
// RETURN VALUES FOR THE GET FUNCTIONS:
// lBufMax -- filename was copied OK
// 0 -- serious error occoured
// > lBufMax -- the number of TCHARs you really need
//
//
// BOOL *pfDisable is for the special
// "protected directory" feature in the VxD.
//
LONG
CXMLFileListParser::GetDirectory(
LONG ilElement,
LPTSTR pszBuf,
LONG lBufMax,
TCHAR chType,
BOOL *pfDisable)
{
LONG lReturnValue=0;
LONG lType;
TraceFunctEnter("CXMLFileListParser::GetDirectory");
//
// get the array index of this file type
//
lType = TranslateType( chType );
if( !m_pDoc || !m_pDir[lType] )
{
TraceFunctLeave();
return 0;
}
if( (lReturnValue = GetFileInfo(
m_pDir[lType],
ilElement,
pszBuf,
lBufMax,
pfDisable)) != lBufMax)
{
goto cleanup;
}
if( (lReturnValue = SearchAndReplace(pszBuf, lBufMax) ) != lBufMax )
{
goto cleanup;
}
CharUpper( pszBuf );
//
// make sure there are no (lead/trail spaces/tabs)
//
TrimString( pszBuf );
cleanup:
TraceFunctLeave();
return( lReturnValue );
}
LONG
CXMLFileListParser::GetDirectory(
LONG ilElement,
LPTSTR pszBuf,
LONG lBufMax,
TCHAR chType)
{
return( GetDirectory( ilElement, pszBuf, lBufMax, chType, NULL ) );
}
LONG
CXMLFileListParser::GetExt(
LONG ilElement,
LPTSTR pszBuf,
LONG lBufMax,
TCHAR chType)
{
LONG lReturnValue=0;
LONG lType;
TraceFunctEnter("CXMLFileListParser::GetExt");
lType = TranslateType( chType );
if( !m_pDoc || !m_pExt[lType] )
{
TraceFunctLeave();
return 0;
}
if( (lReturnValue = GetFileInfo(m_pExt[lType],
ilElement,
pszBuf,
lBufMax,
NULL)) != lBufMax)
{
goto cleanup;
}
if( (lReturnValue = SearchAndReplace(pszBuf, lBufMax) ) != lBufMax )
{
goto cleanup;
}
CharUpper( pszBuf );
//
// make sure there are no (lead/trail spaces/tabs)
//
TrimString( pszBuf );
cleanup:
TraceFunctLeave();
return( lReturnValue );
}
LONG
CXMLFileListParser::GetFile(
LONG ilElement,
LPTSTR pszBuf,
LONG lBufMax,
TCHAR chType)
{
LONG lReturnValue=0;
LONG lType;
TraceFunctEnter("CXMLFileListParser::GetFile");
lType = TranslateType( chType );
if( !m_pDoc || !m_pFiles[lType] )
{
TraceFunctLeave();
return 0;
}
if( (lReturnValue = GetFileInfo(m_pFiles[lType],
ilElement,
pszBuf,
lBufMax,
NULL)) != lBufMax)
{
goto cleanup;
}
if( (lReturnValue = SearchAndReplace(pszBuf, lBufMax) ) != lBufMax )
{
goto cleanup;
}
CharUpper( pszBuf );
//
// make sure there are no (lead/trail spaces/tabs)
//
TrimString( pszBuf );
cleanup:
TraceFunctLeave();
return( lReturnValue );
}
//
// GetDirectory/File/ExtCount functions.
// These functions give you the number of entries in a specific collection.
// For example: GetFileCount(SNAPSHOT_TYPE) will return the numbert
// of entries in the FILES main heading, which are under the SNAPSHOT
// subheading in the XML file.
//
LONG
CXMLFileListParser::GetDirectoryCount(
TCHAR chType)
{
LONG lReturnValue;
TraceFunctEnter("CXMLFileListParser::GetDirectoryCount");
lReturnValue = GetCollectionSize( m_pDir[TranslateType(chType)] );
TraceFunctLeave();
return( lReturnValue );
}
LONG
CXMLFileListParser::GetExtCount(
TCHAR chType)
{
LONG lReturnValue;
TraceFunctEnter("CXMLFileListParser::GetExtCount");
lReturnValue = GetCollectionSize( m_pExt[TranslateType(chType)] );
TraceFunctLeave();
return( lReturnValue );
}
LONG
CXMLFileListParser::GetFileCount(
TCHAR chType)
{
LONG lReturnValue;
TraceFunctEnter("CXMLFileListParser::GetFileCount");
lReturnValue = GetCollectionSize( m_pFiles[TranslateType(chType)] );
TraceFunctLeave();
return( lReturnValue );
}
//
// Main internal functions used to get by the wrappers.
//
// GetCollectionSize, GetFileInfo
//
//
LONG
CXMLFileListParser::GetCollectionSize(
IXMLElementCollection *pCol)
{
LONG lCollectionSize;
HRESULT hr;
TraceFunctEnter("CXMLFileListParser::GetCollectionSize");
if( pCol == NULL ) {
TraceFunctLeave();
return 0;
}
if( (hr = pCol->get_length(&lCollectionSize) ) != S_OK )
{
DebugTrace(FILEID, "Error Finding Length 0x%x", hr );
goto cleanup;
}
TraceFunctLeave();
return(lCollectionSize);
cleanup:
TraceFunctLeave();
return 0;
}
//
// RETURN VALUES:
// lBufMax -- filename was copied OK
// 0 -- serious error occoured
// > lBufMax -- the number in TCHAR's that you need.
//
LONG
CXMLFileListParser::GetFileInfo(
IXMLElementCollection *pCol,
LONG ilElement,
LPTSTR pszBuf,
LONG lBufMax,
BOOL *pfDisable)
{
HRESULT hr;
LONG lLen, lCollectionSize=0, clLoop, lReturnValue=0;
VARIANT v1, v2;
// OLE/COM BSTR variables and helper classes
BSTR stTagValue;
TCHAR szValueBuffer[MAX_BUFFER];
// COM interfaces
IDispatch *pDispatch = NULL;
IXMLElement *pTempElement = NULL;
IXMLElementCollection *pChildren = NULL;
TraceFunctEnter("CXMLFileListParser::GetFileInfo");
//
// Basic assumptions of the code.
//
_ASSERT(pCol);
_ASSERT(pszBuf || !lBufMax);
_ASSERT(pchType);
//
// Set up to make sure protection code is clean
// Test to see if we have an in-range request.
//
if( (hr = pCol->get_length(&lCollectionSize) ) != S_OK )
{
DebugTrace(FILEID, "Error Finding Length 0x%x", hr );
goto cleanup;
}
if( ilElement >= lCollectionSize )
{
ErrorTrace(FILEID,
"CXMLFileListParser::GetFileInfo (Element out of range)",
0);
goto cleanup;
}
v1.vt = VT_I4;
v1.lVal = ilElement;
v2.vt = VT_EMPTY;
//
// get a item from the collection
//
if( (hr = pCol->item(v1,v2, &pDispatch) ) != S_OK )
{
ErrorTrace(FILEID, "Error pChildren->item 0x%x", hr);
goto cleanup;
}
if( ( hr = pDispatch->QueryInterface(IID_IXMLElement,
(void **) &pTempElement) ) != S_OK )
{
ErrorTrace(FILEID, "Error IDispatch::QueryInterface 0x%d", hr);
goto cleanup;
}
SAFERELEASE( pDispatch );
if( (hr = pTempElement->get_text( & stTagValue ) ) != S_OK )
{
DebugTrace(FILEID, "Error in IXMLElement::get_text 0x%x", hr );
goto cleanup;
}
if( ( lLen = ConvertAndFreeBSTR( stTagValue, szValueBuffer, MAX_BUFFER ) ) >
MAX_BUFFER )
{
lReturnValue = lLen + 1;
goto cleanup;
}
_tcscpy( pszBuf, szValueBuffer );
if( pfDisable )
{
_bstr_t AttrName( _TEXT("DISABLE") );
VARIANT AttrValue;
*pfDisable = FALSE;
//
// clear the variant
//
VariantInit( &AttrValue );
hr = pTempElement->getAttribute( AttrName, &AttrValue );
//
// who cares what the property name is
//
if( hr == S_OK )
{
*pfDisable = TRUE;
VariantClear( &AttrValue );
}
}
SAFERELEASE( pTempElement );
lReturnValue = lBufMax;
TraceFunctLeave();
return(lReturnValue);
cleanup:
SAFERELEASE( pTempElement );
SAFERELEASE( pDispatch );
// what about BSTR's?
TraceFunctLeave();
return(lReturnValue);
}
BOOL
CXMLFileListParser::GetVersion(
LPDWORD pdwVersion)
{
TraceFunctEnter("CXMLFileListParser::GetVersion");
_ASSERT( pdwVersion );
memcpy( pdwVersion, m_adwVersion, sizeof(DWORD) * 4 );
TraceFunctLeave();
return(TRUE);
}
TCHAR
CXMLFileListParser::GetDefaultType()
{
return( (TCHAR) CharUpper( (LPTSTR) m_chDefaultType) );
}
LONG
CXMLFileListParser::SearchAndReplace(
LPTSTR szBuf,
LONG lMaxBuf)
{
TCHAR szTempBuf[MAX_BUFFER];
DWORD dwResult;
LONG lReturn = 0;
TraceFunctEnter("CXMLFileListParser::SearchAndReplace");
dwResult = ExpandEnvironmentStrings( szBuf, szTempBuf, lMaxBuf);
if( 0 == dwResult )
{
DWORD dwError;
dwError = GetLastError();
ErrorTrace(FILEID, "Error in search and replace ec-%d", dwError);
lReturn = 0;
goto cleanup;
}
if( dwResult > (lMaxBuf*sizeof(TCHAR) ) )
{
ErrorTrace(FILEID, "Buffer too small in Search and replace.",0);
lReturn = dwResult;
goto cleanup;
}
_tcscpy( szBuf, szTempBuf );
lReturn = lMaxBuf;
cleanup:
TraceFunctLeave();
return lReturn;
}
BOOL
CXMLFileListParser::DepopulateReplaceEntries()
{
LONG clLoop;
TraceFunctEnter("CXMLFileListParser::DepopulateReplaceEntries");
// This code shouldn't do anything anymore in the new system
TraceFunctLeave();
return TRUE;
}
BOOL
GetDSRoot( TCHAR ** pszStr )
{
static WCHAR str[MAX_PATH];
*pszStr = str;
*str = 0;
#ifdef UNICODE
_stprintf( *pszStr, _TEXT("*:\\_restore.%s"), GetMachineGuid());
#else
_stprintf( *pszStr, _TEXT("*:\\_restore") );
#endif
return TRUE;
}
BOOL
GetArchiveDir( TCHAR ** pszStr )
{
static TCHAR str[MAX_PATH];
#if 0
*pszStr = str;
_tcscpy( *pszStr, _TEXT("c:\\_restore\\archive") );
#endif
return TRUE;
}
BOOL
GetDSTemp( TCHAR ** pszStr )
{
static TCHAR str[MAX_PATH];
#if 0
*pszStr = str;
_tcscpy( *pszStr, _TEXT("c:\\_restore\\temp") );
#endif
return TRUE;
}
//
// CODEWORK: REMOVE NO ERROR DETECTION HACK.
//
BOOL CXMLFileListParser::PopulateReplaceEntries()
{
TCHAR szBuf[MAX_BUFFER];
DWORD dwSize;
HKEY hCurrentSettings=NULL;
HKEY hICWKey = NULL;
HRESULT hr=0;
BOOL fChgLogOpen=FALSE;
LPTSTR pszDSInfo=NULL;
TCHAR szLPN[MAX_BUFFER];
DWORD cbLPN;
TraceFunctEnter("CXMLFileListParser::PopulateReplaceEntries()");
// windows directory
if( GetWindowsDirectory( szBuf,MAX_BUFFER ) > MAX_BUFFER )
{
ErrorTrace(FILEID, "Error getting windir",0);
goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("WinDir"), szBuf );
// windows system directory
if( GetSystemDirectory( szBuf,MAX_BUFFER ) > MAX_BUFFER )
{
ErrorTrace(FILEID, "Error getting windir",0);
goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("WinSys"), szBuf );
// Alt Startup folder
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_ALTSTARTUP ,FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: AltStartUp, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("AltStartUp"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("AltStartup"), szBuf );
//App data
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_APPDATA ,FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: AppData, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("AppData"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("AppData"), szBuf );
// Recycle Bin ( BITBUCKET )
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_BITBUCKET ,FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: RecycleBin, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("RecycleBin"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("RecycleBin"), szBuf );
// Common Desktop
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_COMMON_DESKTOPDIRECTORY ,FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: CommonDesktop, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("CommonDesktop"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("CommonDesktop"), szBuf );
// Common Favorite
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_COMMON_FAVORITES ,FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: CommonFavorites, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("CommonFavorites"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("CommonFavorites"), szBuf );
// Common Program groups
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_COMMON_PROGRAMS,FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: CommonProgramGroups, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("CommonProgramGroups"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("CommonProgramGroups"), szBuf );
// Common start menu directory
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_COMMON_STARTMENU, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: CommonStartMenu, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("CommonStartMenu"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("CommonStartMenu"), szBuf );
// Common Startup Folder
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_COMMON_STARTUP, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: CommonStartUp, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("CommonStartUp"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("CommonStartUp"), szBuf );
// cookies folder
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_COOKIES, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: Cookies, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\Cookies"));
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("Cookies"), szBuf );
// desktop directory
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_DESKTOPDIRECTORY, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: DesktopDirectory, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\Desktop"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("DesktopDirectory"), szBuf );
// favorites
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_FAVORITES, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: Favorites, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\Favorites"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("Favorites"), szBuf );
// favorites
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_INTERNET_CACHE, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: InternetCache, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\Temporary Internet Files"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("InternetCache"), szBuf );
// network neightbors
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_NETHOOD, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: Nethood, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\Nethood"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("NetHood"), szBuf );
// favorites
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_PERSONAL, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: PersonalDocuments, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("PersonalDocuments"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("PersonalDocuments"), szBuf );
// favorites
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_STARTMENU, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: StartMenu, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\Start Menu"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("StartMenu"), szBuf );
// favorites
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_TEMPLATES, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: Templates, error 0x%x", dwError);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("Templates"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("Templates"), szBuf );
// favorites
if( SHGetSpecialFolderPath(NULL,szBuf, CSIDL_HISTORY, FALSE) != TRUE )
{
DWORD dwError = GetLastError();
ErrorTrace(FILEID, "Error getting special folder: History, error 0x%x", dwError);
GetWindowsDirectory(szBuf, MAX_BUFFER);
lstrcat(szBuf, _TEXT("\\History"));
//goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("History"), szBuf );
//hack
if( RegOpenKey( HKEY_LOCAL_MACHINE, _TEXT("Software\\Microsoft\\Windows\\CurrentVersion"), &hCurrentSettings) != ERROR_SUCCESS)
{
ErrorTrace(FILEID,"Error opening registry key to retrieve program files",0);
goto cleanup;
}
dwSize = MAX_BUFFER * sizeof(TCHAR);
if( RegQueryValueEx( hCurrentSettings, _TEXT("ProgramFilesDir"), NULL, NULL, (LPBYTE) szBuf, &dwSize) != ERROR_SUCCESS )
{
ErrorTrace(FILEID,"Error querying program files registry key.",0);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("ProgramFilesDir"));
// goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("ProgramFiles"), szBuf );
dwSize = MAX_BUFFER * sizeof(TCHAR);
if( RegQueryValueEx( hCurrentSettings, _TEXT("CommonFilesDir"), NULL, NULL, (LPBYTE) szBuf, &dwSize) != ERROR_SUCCESS )
{
ErrorTrace(FILEID,"Error querying common files registry key.",0);
lstrcpy(szBuf, DEFAULT_UNKNOWN);
lstrcat(szBuf, _TEXT("CommonFilesDir"));
// goto cleanup;
}
FixInconsistantBlackslash(szBuf);
SetEnvironmentVariable( _TEXT("CommonFiles"), szBuf );
// get the ICW dir path from the registry
if (ERROR_SUCCESS == RegOpenKeyEx(hCurrentSettings, ICW_REGKEY, 0, KEY_QUERY_VALUE, &hICWKey))
{
dwSize = MAX_BUFFER * sizeof(TCHAR);
if (ERROR_SUCCESS == RegQueryValueEx(hICWKey, _TEXT("Path"), NULL, NULL, (LPBYTE) szBuf, &dwSize))
{
// remove the extra ; in the path if it is there
dwSize = lstrlen(szBuf);
if (dwSize > 0)
{
if (szBuf[dwSize - 1] == TCHAR(';'))
{
szBuf[dwSize - 1] = TCHAR('\0');
}
}
// convert sfn to lfn
cbLPN = sizeof(szLPN)/sizeof(TCHAR);
if (cbLPN <= GetLongPathName(szBuf, szLPN, cbLPN)) // error
{
ErrorTrace(FILEID, "Error getting LPN for %s; error=%ld", szBuf, GetLastError());
lstrcpy(szLPN, DEFAULT_UNKNOWN);
lstrcat(szLPN, TEXT("ConnectionWizardDir"));
}
}
else
{
lstrcpy(szLPN, DEFAULT_UNKNOWN);
lstrcat(szLPN, TEXT("ConnectionWizardDir"));
}
}
else
{
lstrcpy(szLPN, DEFAULT_UNKNOWN);
lstrcat(szLPN, TEXT("ConnectionWizardDir"));
}
SetEnvironmentVariable(_TEXT("ConnectionWizard"), szLPN);
DebugTrace(FILEID, "ICW Path = %s", szLPN);
if (hICWKey)
{
RegCloseKey(hICWKey);
}
RegCloseKey( hCurrentSettings );
hCurrentSettings = NULL;
//
// System restore file stuff
//
if( GetDSRoot( &pszDSInfo ) == TRUE )
{
SetEnvironmentVariable( _TEXT("SRDataStoreRoot"), pszDSInfo );
}
else
{
DebugTrace(FILEID, "Error getting system restore root directory",0);
}
if( GetArchiveDir( &pszDSInfo ) == TRUE )
{
SetEnvironmentVariable( _TEXT("SRArchiveDir"), pszDSInfo );
}
else
{
DebugTrace(FILEID, "Error getting system restore archive directory",0);
}
if( GetDSTemp( &pszDSInfo ) == TRUE )
{
SetEnvironmentVariable( _TEXT("SRTempDir"), pszDSInfo );
}
else
{
DebugTrace(FILEID, "Error getting system restore temp directory",0);
}
// CODEWORK: Do this for real
SetEnvironmentVariable( _TEXT("DocAndSettingRoot"), _TEXT("C:\\Documents And Settings") );
TraceFunctLeave();
return TRUE;
cleanup:
if( hCurrentSettings )
{
RegCloseKey( hCurrentSettings );
}
// leave it, will be taken care of in the destructor
TraceFunctLeave();
return (FALSE);
}
//
// Misc utility functions
//
//
// We are assuming the buffer is big enough to fit the bstr.
// if it is not, we still
// free it but return false.
//
LONG
CXMLFileListParser::ConvertAndFreeBSTR(
BSTR bstrIn,
LPTSTR szpOut,
LONG lMaxBuf)
{
LONG lLen;
TraceFunctEnter("CXMLFileListParser::ConvertAndFreeBSTR");
//
// Initialize the output buffer
//
if (szpOut)
{
*szpOut = 0;
}
//
// make a copy and put it in our object.
//
_ASSERT( bstrIn );
_bstr_t BSTRBuffer( bstrIn, TRUE );
lLen = BSTRBuffer.length();
//
// not enough buffer space.
//
if( lLen > (lMaxBuf+1) )
{
// copy what we can out.
_tcsncpy( szpOut, BSTRBuffer.operator LPTSTR(), lMaxBuf );
szpOut[lMaxBuf] = 0;
SysFreeString( bstrIn );
TraceFunctLeave();
return( lLen + 1 );
}
_tcscpy( szpOut, BSTRBuffer.operator LPTSTR() );
//
// remove our BSTR
//
SysFreeString( bstrIn );
return( lMaxBuf );
}
LONG
CXMLFileListParser::TranslateType(TCHAR chType)
{
if( ( chType == _TEXT('i') ) || ( chType == _TEXT('I') ) )
{
return( INCLUDE_COLL );
}
else if( ( chType == _TEXT('e') ) || ( chType == _TEXT('E') ) )
{
return( EXCLUDE_COLL );
}
else if( ( chType == _TEXT('s') ) || ( chType == _TEXT('S') ) )
{
return( SNAPSHOT_COLL );
}
return( 0 );
}
void
CXMLFileListParser::DebugPrintTranslations()
{
LONG cl;
LPTSTR pszStr=NULL;
LPVOID pszBlock;
printf("File Name Translation Values ... \n");
pszBlock = GetEnvironmentStrings();
pszStr = (LPTSTR) pszBlock;
while( pszStr && *pszStr )
{
_tprintf(_TEXT("%s\n"), pszStr);
pszStr += (DWORD) StringLengthBytes(pszStr)/sizeof(TCHAR);
}
FreeEnvironmentStrings( (LPTSTR) pszBlock );
}
//
// A fix to the inconsistent blackslash behavior in the
// shell API.
//
void
FixInconsistantBlackslash(
LPTSTR pszDirectory)
{
LONG lLen;
_ASSERT( pszDirectory );
lLen = _tcslen( pszDirectory );
if( lLen <= 0 )
{
return;
}
if( pszDirectory[ lLen - 1 ] == _TEXT('\\') )
{
pszDirectory[lLen - 1] = 0;
}
}