841 lines
21 KiB
C
841 lines
21 KiB
C
//*************************************************************
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//
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// Personal Classes Profile management routines
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//
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// Microsoft Confidential
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// Copyright (c) Microsoft Corporation 1995
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// All rights reserved
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//
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//*************************************************************
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#include "uenv.h"
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#include "windows.h"
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// Local Data Structures
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LPTSTR SpecialSubtrees[] =
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{
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TEXT("CLSID"),
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TEXT("Interface"),
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TEXT("TypeLib"),
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TEXT("Licenses"),
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TEXT("FileType")
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};
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#define MAX_SPECIAL_SUBTREE (sizeof(SpecialSubtrees)/sizeof(LPTSTR))
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//
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// Local function proto-types
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//
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typedef struct _RegKeyInfo {
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DWORD SubKeyCount;
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DWORD MaxSubKeyLen;
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DWORD ValueCount;
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DWORD MaxValueNameLen;
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DWORD MaxValueLen;
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DWORD SDLen;
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LPTSTR pSubKeyName;
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LPTSTR pValueName;
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LPTSTR pValue;
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} REGKEYINFO, *PREGKEYINFO;
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//*************************************************************
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//
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// PrepForEnumRegistryTree()
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//
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// Purpose: prepare to duplicate a source bunch of keys into the destination.
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//
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// Parameters: hkSourceTree - source registry tree
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// pRegKeyInfo - info block for use doing enumeration
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//
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// Return: TRUE if successful
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// FALSE if an error occurs
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//
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// History: Date Author Comment
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// 1/30/96 GregJen Created
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//
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//*************************************************************
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BOOL
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PrepForEnumRegistryTree(
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HKEY hkSourceTree,
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PREGKEYINFO pRegKeyInfo
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)
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{
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LPTSTR pStringsBuffer;
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LONG result;
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result = RegQueryInfoKey(hkSourceTree,
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NULL,
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NULL,
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0,
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&pRegKeyInfo->SubKeyCount,
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&pRegKeyInfo->MaxSubKeyLen,
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NULL,
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&pRegKeyInfo->ValueCount,
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&pRegKeyInfo->MaxValueNameLen,
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&pRegKeyInfo->MaxValueLen,
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&pRegKeyInfo->SDLen,
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NULL);
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if ( result != ERROR_SUCCESS )
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return FALSE;
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// allocate a block of memory to use for enumerating subkeys and values
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pStringsBuffer = (LPTSTR) LocalAlloc( LPTR,
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(pRegKeyInfo->MaxSubKeyLen +
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pRegKeyInfo->MaxValueNameLen +
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pRegKeyInfo->MaxValueLen + 3)
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* sizeof( TCHAR ) );
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if ( !pStringsBuffer )
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return FALSE;
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pRegKeyInfo->pSubKeyName = pStringsBuffer;
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pRegKeyInfo->pValueName = pStringsBuffer + pRegKeyInfo->MaxSubKeyLen + 1;
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pRegKeyInfo->pValue = pRegKeyInfo->pValueName +
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pRegKeyInfo->MaxValueNameLen + 1;
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return TRUE;
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}
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//*************************************************************
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//
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// CleanupAfterEnumRegistryTree()
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//
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// Purpose: duplicate a source bunch of keys into the destination.
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//
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// Parameters: hkSourceTree - source registry tree
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// pRegKeyInfo - info block for use doing enumeration
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//
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// Return: TRUE if successful
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// FALSE if an error occurs
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//
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// History: Date Author Comment
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// 1/30/96 GregJen Created
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//
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//*************************************************************
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void
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CleanupAfterEnumRegistryTree(
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HKEY hkSourceTree,
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PREGKEYINFO pRegKeyInfo)
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{
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LocalFree( pRegKeyInfo->pSubKeyName );
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}
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BOOL
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DeleteRegistrySubtree (
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HKEY hkTree )
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{
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HKEY hkCurrentSourceKey;
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DWORD idx;
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DWORD NameLen;
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LONG result = ERROR_SUCCESS;
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REGKEYINFO RegKeyInfo;
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BOOL Success = FALSE;
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if ( !PrepForEnumRegistryTree( hkTree, &RegKeyInfo ) )
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return FALSE; // nothing to clean up here yet
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// enumerate all the source subkeys
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// for each: if dest subkey is older than source, delete it
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// if dest subkey does not exist (or was deleted) clone the subkey
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//
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// Clone all the subkeys
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//
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for ( idx = 0;
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(result == ERROR_SUCCESS) &&
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( result != ERROR_MORE_DATA ) &&
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( idx < RegKeyInfo.SubKeyCount );
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idx++ ) {
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NameLen = RegKeyInfo.MaxSubKeyLen + sizeof( TCHAR );
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result = RegEnumKeyEx( hkTree,
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idx,
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RegKeyInfo.pSubKeyName,
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&NameLen,
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NULL,
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NULL,
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NULL,
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NULL );
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if ( ( result != ERROR_SUCCESS ) && ( result != ERROR_MORE_DATA ) )
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goto cleanup;
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// TBD: open the subkey in the source tree AS CurrentSourceKey
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result = RegOpenKeyEx(hkTree,
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RegKeyInfo.pSubKeyName,
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0,
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KEY_ALL_ACCESS,
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&hkCurrentSourceKey);
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DeleteRegistrySubtree( hkCurrentSourceKey );
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RegCloseKey( hkCurrentSourceKey );
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RegDeleteKey( hkTree, RegKeyInfo.pSubKeyName );
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result = ERROR_SUCCESS;
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}
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cleanup:
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CleanupAfterEnumRegistryTree( hkTree, &RegKeyInfo );
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return TRUE;
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}
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//*************************************************************
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//
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// CloneRegistryValues()
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//
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// Purpose: copy the values from under the source key to the dest key
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//
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// Parameters: SourceTree - source registry tree
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// DestinationTree - destintation registry tree
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// RegKeyInfo - handy information from the RegEnumKeyEx call.
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//
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// Return: TRUE if successful
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// FALSE if an error occurs
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//
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// History: Date Author Comment
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// 1/14/96 GregJen Created
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//
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//*************************************************************
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BOOL
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CloneRegistryValues(
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HKEY hkSourceTree,
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HKEY hkDestinationTree,
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REGKEYINFO RegKeyInfo )
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{
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LONG result = ERROR_SUCCESS;
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DWORD idx;
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DWORD ValueLen;
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DWORD ValueType;
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DWORD DataLen;
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for ( idx = 0;
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(result == ERROR_SUCCESS) &&
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( result != ERROR_MORE_DATA ) &&
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( idx < RegKeyInfo.ValueCount );
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idx++ )
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{
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DataLen = RegKeyInfo.MaxValueLen + sizeof( TCHAR );
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ValueLen = RegKeyInfo.MaxValueNameLen + sizeof( TCHAR );
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result = RegEnumValue( hkSourceTree,
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idx,
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RegKeyInfo.pValueName,
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&ValueLen,
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NULL,
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&ValueType,
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(BYTE*) RegKeyInfo.pValue,
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&DataLen);
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// TBD: check errors
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// now add the value to the destination key
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result = RegSetValueEx( hkDestinationTree,
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RegKeyInfo.pValueName,
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0,
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ValueType,
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(BYTE*) RegKeyInfo.pValue,
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DataLen );
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// TBD: check errors
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}
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return TRUE;
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}
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//*************************************************************
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//
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// CloneRegistryTree()
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//
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// Purpose: duplicate a source bunch of keys into the destination.
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//
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// Parameters: SourceTree - source registry tree
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// DestinationTree - destintation registry tree
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// lpSubKeyName - if present this is a subkey name that
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// corresponds to the SourceTree HKEY.
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//
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// Return: TRUE if successful
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// FALSE if an error occurs
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//
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// History: Date Author Comment
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// 1/14/96 GregJen Created
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//
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//*************************************************************
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BOOL
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CloneRegistryTree(
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HKEY hkSourceTree,
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HKEY hkDestinationTree,
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LPTSTR lpDestTreeName )
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{
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HKEY hkCurrentSourceKey;
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DWORD idx;
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DWORD NameLen;
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LONG result = ERROR_SUCCESS;
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REGKEYINFO RegKeyInfo;
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BOOL Success = FALSE;
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if ( !PrepForEnumRegistryTree( hkSourceTree, &RegKeyInfo ) )
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return FALSE; // nothing to clean up here yet
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if ( lpDestTreeName ) {
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HKEY hkNewKey = NULL;
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DWORD dwSDLen = RegKeyInfo.SDLen;
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DWORD dwDisp;
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SECURITY_INFORMATION SI = DACL_SECURITY_INFORMATION; // for now...
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PSECURITY_DESCRIPTOR pSD = (PSECURITY_DESCRIPTOR)
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LocalAlloc( LPTR, dwSDLen );
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// TBD: check for NULL;
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// Get the registry security information from the old key
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result = RegGetKeySecurity( hkSourceTree,
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SI,
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pSD,
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&dwSDLen);
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// TBD: check for errors, free pSD
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// create a key with the given name, and registry info
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result = RegCreateKeyEx( hkDestinationTree,
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lpDestTreeName,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS,
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pSD,
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&hkNewKey,
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&dwDisp );
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// TBD: check for errors, free pSD
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// TBD: and update the hkDestinationTree variable to point to it
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hkDestinationTree = hkNewKey;
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LocalFree( pSD );
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if (ERROR_SUCCESS != result)
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{
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goto cleanup;
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}
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}
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//
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// clone the values
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//
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if ( ! CloneRegistryValues( hkSourceTree, hkDestinationTree, RegKeyInfo ) )
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goto cleanup;
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//
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// Clone all the subkeys
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//
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for ( idx = 0;
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(result == ERROR_SUCCESS) &&
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( result != ERROR_MORE_DATA ) &&
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( idx < RegKeyInfo.SubKeyCount );
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idx++ ) {
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NameLen = RegKeyInfo.MaxSubKeyLen + sizeof( TCHAR );
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result = RegEnumKeyEx( hkSourceTree,
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idx,
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RegKeyInfo.pSubKeyName,
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&NameLen,
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NULL,
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NULL,
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NULL,
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NULL );
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if ( ( result != ERROR_SUCCESS ) && ( result != ERROR_MORE_DATA ) )
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goto cleanup;
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// TBD: open the subkey in the source tree AS CurrentSourceKey
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result = RegOpenKeyEx(hkSourceTree,
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RegKeyInfo.pSubKeyName,
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0,
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KEY_READ,
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&hkCurrentSourceKey);
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//
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// recurse passing the subkey name
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//
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CloneRegistryTree( hkCurrentSourceKey,
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hkDestinationTree,
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RegKeyInfo.pSubKeyName );
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//
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// close our open key
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//
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RegCloseKey( hkCurrentSourceKey );
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}
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Success = TRUE;
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cleanup:
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if ( lpDestTreeName )
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{
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RegCloseKey( hkDestinationTree );
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}
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CleanupAfterEnumRegistryTree( hkSourceTree, &RegKeyInfo );
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return Success;
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}
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void SaveChangesToUser( )
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{
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}
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void SaveChangesToCommon( )
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{
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}
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BOOL
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AddSharedValuesToSubkeys( HKEY hkShared, LPTSTR pszSubtree )
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{
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HKEY hkSourceKey;
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HKEY hkCurrentSourceKey;
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DWORD idx;
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DWORD NameLen;
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LONG result = ERROR_SUCCESS;
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REGKEYINFO RegKeyInfo;
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BOOL Success = FALSE;
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// for every subkey, set "Shared" value
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result = RegOpenKeyEx( hkShared,
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pszSubtree,
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0,
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KEY_READ,
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&hkSourceKey );
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// TBD: if no subtree in source, skip ahead to next special subtree
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if ( result == ERROR_FILE_NOT_FOUND )
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return TRUE;
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// If any other errors occurred, return FALSE
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if ( result != ERROR_SUCCESS)
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return FALSE;
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if ( !PrepForEnumRegistryTree( hkSourceKey, &RegKeyInfo ) )
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goto cleanup2;
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// enumerate all the source subkeys
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// for each: if dest subkey is older than source, delete it
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// if dest subkey does not exist (or was deleted) clone the subkey
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//
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// Clone all the subkeys
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//
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for ( idx = 0;
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(result == ERROR_SUCCESS) &&
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( result != ERROR_MORE_DATA ) &&
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( idx < RegKeyInfo.SubKeyCount );
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idx++ )
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{
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NameLen = RegKeyInfo.MaxSubKeyLen + sizeof( TCHAR );
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result = RegEnumKeyEx( hkSourceKey,
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idx,
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RegKeyInfo.pSubKeyName,
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&NameLen,
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NULL,
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NULL,
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NULL,
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NULL );
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if ( ( result != ERROR_SUCCESS ) && ( result != ERROR_MORE_DATA ) )
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goto cleanup;
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result = RegOpenKeyEx( hkSourceKey,
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RegKeyInfo.pSubKeyName,
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0,
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KEY_ALL_ACCESS,
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&hkCurrentSourceKey );
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// Bug 45994
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if (result != ERROR_SUCCESS )
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goto cleanup;
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result = RegSetValueEx( hkCurrentSourceKey,
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L"Shared",
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0,
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REG_SZ,
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(LPBYTE) L"Y",
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sizeof( L"Y" ) );
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RegCloseKey( hkCurrentSourceKey );
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}
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Success = TRUE;
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cleanup:
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CleanupAfterEnumRegistryTree( hkSourceKey, &RegKeyInfo );
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cleanup2:
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RegCloseKey( hkSourceKey );
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return Success;
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}
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BOOL
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AddSharedValues( HKEY hkShared )
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{
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// for each of the special subtrees, add "Shared" values
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int idx;
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// now, for each of the special top-level keys, process the level below them
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// these keys are: CLSID, Interface, TypeLib, Licenses, FileType
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for ( idx = 0; idx < MAX_SPECIAL_SUBTREE; idx++ )
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{
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AddSharedValuesToSubkeys( hkShared, SpecialSubtrees[idx] );
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}
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// now do all the top level keys (file extensions and progids)
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AddSharedValuesToSubkeys( hkShared, NULL );
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return TRUE;
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}
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//*************************************************************
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//
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// MergeUserClasses()
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//
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// Purpose: Merges the user's class information with the
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// common class information.
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//
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// Parameters: UserClassStore - Per-user class information
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// CommonClassStore - Machine-wide class information
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// MergedClassStore - Destination for merged information.
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//
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// Return: TRUE if successful
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// FALSE if an error occurs
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//
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// Comments: UserClassStore may be a null HKEY, implying
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// just copy the information from the common
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// portion into the merged portion
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//
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// History: Date Author Comment
|
|
// 1/14/96 GregJen Created
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//
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//*************************************************************
|
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BOOL
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MergeRegistrySubKeys (
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HKEY hkSourceTree,
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HKEY hkDestTree )
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{
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HKEY hkCurrentSourceKey = NULL;
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HKEY hkCurrentDestKey = NULL;
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DWORD idx;
|
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DWORD NameLen;
|
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LONG result = ERROR_SUCCESS;
|
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REGKEYINFO RegKeyInfo;
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BOOL Success = FALSE;
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FILETIME SourceFileTime;
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FILETIME DestFileTime;
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LONG cmp;
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|
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if ( !PrepForEnumRegistryTree( hkSourceTree, &RegKeyInfo ) )
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return FALSE; // nothing to clean up here yet
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|
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// enumerate all the source subkeys
|
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// for each: if dest subkey is older than source, delete it
|
|
// if dest subkey does not exist (or was deleted) clone the subkey
|
|
//
|
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// Clone all the subkeys
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//
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for ( idx = 0;
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(result == ERROR_SUCCESS) &&
|
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( result != ERROR_MORE_DATA ) &&
|
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( idx < RegKeyInfo.SubKeyCount );
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idx++ ) {
|
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NameLen = RegKeyInfo.MaxSubKeyLen + sizeof( TCHAR );
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result = RegEnumKeyEx( hkSourceTree,
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idx,
|
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RegKeyInfo.pSubKeyName,
|
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&NameLen,
|
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NULL,
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NULL,
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NULL,
|
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&SourceFileTime );
|
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|
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if ( ( result != ERROR_SUCCESS ) && ( result != ERROR_MORE_DATA ) )
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goto cleanup;
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// TBD: open the subkey in the source tree AS CurrentSourceKey
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result = RegOpenKeyEx(hkSourceTree,
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RegKeyInfo.pSubKeyName,
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0,
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KEY_READ,
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&hkCurrentSourceKey);
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if (result != ERROR_SUCCESS)
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goto cleanup;
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result = RegOpenKeyEx(hkDestTree,
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RegKeyInfo.pSubKeyName,
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0,
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KEY_READ,
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&hkCurrentDestKey);
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// if current dest key does not exist,
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if ( result == ERROR_FILE_NOT_FOUND )
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{
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//
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// recurse passing the subkey name
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//
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CloneRegistryTree( hkCurrentSourceKey,
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hkDestTree,
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RegKeyInfo.pSubKeyName );
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}
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// if current dest key is older than current source key, delete dest
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// then recreate new
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else if (result == ERROR_SUCCESS)
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{
|
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RegQueryInfoKey( hkCurrentDestKey,
|
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
|
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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&DestFileTime );
|
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|
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cmp = CompareFileTime( &SourceFileTime, &DestFileTime );
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if ( cmp > 0 )
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{
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// delete dest
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//
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DeleteRegistrySubtree( hkCurrentDestKey );
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|
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//
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// recurse passing the subkey name
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//
|
|
CloneRegistryTree( hkCurrentSourceKey,
|
|
hkDestTree,
|
|
RegKeyInfo.pSubKeyName );
|
|
}
|
|
|
|
RegCloseKey(hkCurrentDestKey);
|
|
}
|
|
|
|
//
|
|
// close our open key
|
|
//
|
|
|
|
RegCloseKey( hkCurrentSourceKey );
|
|
|
|
result = ERROR_SUCCESS;
|
|
}
|
|
|
|
cleanup:
|
|
CleanupAfterEnumRegistryTree( hkSourceTree, &RegKeyInfo );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
|
|
|
|
//*************************************************************
|
|
//
|
|
// MergeUserClasses()
|
|
//
|
|
// Purpose: Merges the user's class information with the
|
|
// common class information.
|
|
//
|
|
// Parameters: UserClassStore - Per-user class information
|
|
// CommonClassStore - Machine-wide class information
|
|
// MergedClassStore - Destination for merged information.
|
|
//
|
|
// Return: TRUE if successful
|
|
// FALSE if an error occurs
|
|
//
|
|
// Comments: UserClassStore may be a null HKEY, implying
|
|
// just copy the information from the common
|
|
// portion into the merged portion
|
|
//
|
|
// History: Date Author Comment
|
|
// 1/14/96 GregJen Created
|
|
//
|
|
//*************************************************************
|
|
BOOL
|
|
MergeRegistrySubtree (
|
|
HKEY hkSourceParent,
|
|
HKEY hkDestParent,
|
|
LPTSTR pszSubtree )
|
|
{
|
|
HKEY hkCurrentSourceKey = NULL;
|
|
HKEY hkCurrentDestKey = NULL;
|
|
LONG result;
|
|
DWORD dummy = 0;
|
|
|
|
// open the special subtree in the source tree
|
|
result = RegOpenKeyEx( hkSourceParent,
|
|
pszSubtree,
|
|
0,
|
|
KEY_READ,
|
|
&hkCurrentSourceKey );
|
|
|
|
// TBD: if no subtree in source, skip ahead to next special subtree
|
|
if ( result == ERROR_FILE_NOT_FOUND )
|
|
return TRUE;
|
|
|
|
// If any other errors occurred, return FALSE
|
|
if ( result != ERROR_SUCCESS)
|
|
return FALSE;
|
|
|
|
result = RegOpenKeyEx( hkDestParent,
|
|
pszSubtree,
|
|
0,
|
|
KEY_ALL_ACCESS,
|
|
&hkCurrentDestKey );
|
|
// TBD: if no such subtree in dest, do CloneRegistry etc
|
|
if ( result == ERROR_FILE_NOT_FOUND )
|
|
{
|
|
//
|
|
// recurse passing the subkey name
|
|
//
|
|
CloneRegistryTree( hkCurrentSourceKey,
|
|
hkDestParent,
|
|
pszSubtree );
|
|
}
|
|
// TBD:if timestamp on source is newer than timestamp on dest,
|
|
// delete dest and recreate??
|
|
|
|
// Bug 45995
|
|
if (hkCurrentDestKey)
|
|
{
|
|
MergeRegistrySubKeys( hkCurrentSourceKey,
|
|
hkCurrentDestKey );
|
|
|
|
// make sure the timestamp on the special trees is updated
|
|
result = RegSetValueEx( hkCurrentDestKey,
|
|
TEXT("Updated"),
|
|
0,
|
|
REG_DWORD,
|
|
(BYTE*) &dummy,
|
|
sizeof( DWORD ) );
|
|
RegCloseKey( hkCurrentDestKey );
|
|
}
|
|
|
|
|
|
// close special subtrees
|
|
RegCloseKey( hkCurrentSourceKey );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
long
|
|
CompareRegistryTimes(
|
|
HKEY hkLHS,
|
|
HKEY hkRHS )
|
|
{
|
|
FILETIME LHSTime;
|
|
FILETIME RHSTime;
|
|
|
|
RegQueryInfoKey( hkLHS,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&LHSTime );
|
|
|
|
RegQueryInfoKey( hkRHS,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
&RHSTime );
|
|
|
|
return CompareFileTime( &LHSTime, &RHSTime );
|
|
}
|
|
|
|
//*************************************************************
|
|
//
|
|
// MergeUserClasses()
|
|
//
|
|
// Purpose: Merges the user's class information with the
|
|
// common class information.
|
|
//
|
|
// Parameters: UserClassStore - Per-user class information
|
|
// CommonClassStore - Machine-wide class information
|
|
// MergedClassStore - Destination for merged information.
|
|
//
|
|
// Return: TRUE if successful
|
|
// FALSE if an error occurs
|
|
//
|
|
// Comments: UserClassStore may be a null HKEY, implying
|
|
// just copy the information from the common
|
|
// portion into the merged portion
|
|
//
|
|
// History: Date Author Comment
|
|
// 1/14/96 GregJen Created
|
|
//
|
|
//*************************************************************
|
|
BOOL
|
|
MergeUserClasses(
|
|
HKEY UserClassStore,
|
|
HKEY CommonClassStore,
|
|
HKEY MergedClassStore,
|
|
BOOL ForceNew )
|
|
{
|
|
BOOL fNotCorrectUser = FALSE;
|
|
HKEY hkOverridingSubtree = CommonClassStore;
|
|
HKEY hkMergingSubtree = UserClassStore;
|
|
int idx;
|
|
|
|
//TBD: check time stamps on source and destination
|
|
// if same user, and timestamps are in sync, do nothing
|
|
|
|
// if destination does not belong to the current user, then
|
|
// delete everything under it
|
|
|
|
if ( fNotCorrectUser ) {
|
|
DeleteRegistrySubtree( MergedClassStore );
|
|
}
|
|
|
|
|
|
if ( !ForceNew &&
|
|
( CompareRegistryTimes( MergedClassStore, CommonClassStore ) > 0 ) &&
|
|
( CompareRegistryTimes( MergedClassStore, UserClassStore ) > 0 ) )
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
// TBD: copy everything from the overriding store into the
|
|
// destination store
|
|
// At this moment, the common store overrides the user store;
|
|
// this will eventually reverse.
|
|
|
|
CloneRegistryTree( hkOverridingSubtree, MergedClassStore, NULL );
|
|
|
|
// now, for each of the special top-level keys, process the level below them
|
|
// these keys are: CLSID, Interface, TypeLib, Licenses, FileType
|
|
|
|
for ( idx = 0; idx < MAX_SPECIAL_SUBTREE; idx++ )
|
|
{
|
|
MergeRegistrySubtree( hkMergingSubtree,
|
|
MergedClassStore,
|
|
SpecialSubtrees[idx] );
|
|
}
|
|
|
|
// now do all the top level keys (file extensions and progids)
|
|
// TBD: MergeRegistrySubtree( UserClassStore, MergedClassStore );
|
|
MergeRegistrySubtree( hkMergingSubtree,
|
|
MergedClassStore,
|
|
NULL );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|