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139 lines
3.5 KiB
139 lines
3.5 KiB
//+----------------------------------------------------------------------------
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//
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// File: needsmig.cpp
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//
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// Module: CMCFG32.DLL AND CMSTP.EXE
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//
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// Synopsis: Implementation of the ProfileNeedsMigration function.
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//
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// Copyright (c) 1999 Microsoft Corporation
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//
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// Author: quintinb Created Header 08/19/99
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//
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//+----------------------------------------------------------------------------
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//+----------------------------------------------------------------------------
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//
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// Function: ProfileNeedsMigration
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//
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// Synopsis: This function determines if we need to migrate a profile or not.
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// Profiles that have the current Profile version format or greater
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// are not migrated. Profiles that have an older version format that
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// have already been migrated (we look to see if the GUID is missing on
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// NT5 or if the Delete Entry exists on Down Level) don't need to
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// be migrated.
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//
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// Arguments: LPCTSTR pszPathToCmp - full path to the CMP file
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//
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// Returns: BOOL - TRUE if the profile should be migrated or not
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//
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// History: quintinb Created 11/20/98
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//
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//+----------------------------------------------------------------------------
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BOOL ProfileNeedsMigration(LPCTSTR pszServiceName, LPCTSTR pszPathToCmp)
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{
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//
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// Open the CMP and check the version number. If the profile format version
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// is old then we need to migrate it.
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//
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if ((NULL == pszServiceName) || (NULL == pszPathToCmp) ||
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(TEXT('\0') == pszServiceName[0]) || (TEXT('\0') == pszPathToCmp[0]))
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{
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return FALSE;
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}
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CPlatform plat;
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CFileNameParts FileParts(pszPathToCmp);
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int iCurrentCmpVersion = GetPrivateProfileInt(c_pszCmSectionProfileFormat, c_pszVersion,
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0, pszPathToCmp);
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if (PROFILEVERSION > iCurrentCmpVersion)
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{
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//
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// Now construct the path to the INF file (1.0 and 1.1 profiles kept the infs in
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// the system dir)
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//
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TCHAR szTemp[MAX_PATH+1];
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TCHAR szInfFile[MAX_PATH+1];
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TCHAR szGUID[MAX_PATH+1];
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HKEY hKey;
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MYVERIFY(0 != GetSystemDirectory(szTemp, MAX_PATH));
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MYVERIFY(CELEMS(szInfFile) > (UINT)wsprintf(szInfFile, TEXT("%s\\%s%s"), szTemp,
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FileParts.m_FileName, TEXT(".inf")));
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if (!FileExists(szInfFile))
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{
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return FALSE;
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}
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//
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// Get the GUID from the inf file.
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//
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ZeroMemory(szGUID, sizeof(szGUID));
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MYVERIFY(0 != GetPrivateProfileString(c_pszInfSectionStrings, c_pszDesktopGuid, TEXT(""), szGUID,
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MAX_PATH, szInfFile));
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if (0 != szGUID[0])
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{
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MYVERIFY(CELEMS(szTemp) > (UINT)wsprintf(szTemp,
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TEXT("CLSID\\%s"), szGUID));
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if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, szTemp, 0,
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KEY_READ, &hKey))
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{
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//
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// If this is NT5, then we need to migrate. On Legacy we need to try to
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// open the delete subkey.
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//
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RegCloseKey(hKey);
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if (plat.IsAtLeastNT5())
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{
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return TRUE;
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}
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else
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{
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MYVERIFY(CELEMS(szTemp) > (UINT)wsprintf(szTemp,
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TEXT("CLSID\\%s\\Shell\\Delete"), szGUID));
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if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, szTemp, 0,
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KEY_READ, &hKey))
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{
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//
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// Already been migrated
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//
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RegCloseKey(hKey);
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return FALSE;
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}
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else
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{
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//
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// Must Migrate the profile.
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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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else
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{
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return FALSE;
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}
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}
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else
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{
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//
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// This affects MSN, as long as we have true here their 1.0 stuff will
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// get migrated. If we don't want it to, change this.
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//
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return TRUE;
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}
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}
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else
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{
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return FALSE;
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}
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}
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