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673 lines
19 KiB
673 lines
19 KiB
/******************************************************************************
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*
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* FILE.C
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*
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* This file contains routines based off the User Profile Editor utility.
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*
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* Copyright Citrix Systems, Inc. 1997
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* Copyright (c) 1998-1999 Microsoft Corporation
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*
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* Author: Brad Anderson 1/20/97
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*
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* $Log: M:\nt\private\utils\citrix\cprofile\VCS\file.c $
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*
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* Rev 1.3 Jun 26 1997 18:18:38 billm
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* move to WF40 tree
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*
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* Rev 1.2 23 Jun 1997 16:13:20 butchd
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* update
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*
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* Rev 1.1 28 Jan 1997 20:06:34 BradA
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* Fixed up some problems related to WF 2.0 changes
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*
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* Rev 1.0 27 Jan 1997 20:03:44 BradA
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* Initial Version
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*
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******************************************************************************/
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/****************************** Module Header ******************************\
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* Module Name: upesave.c
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*
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* Copyright (c) 1992, Microsoft Corporation
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*
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* Handles OPening and saving of Profiles: default, system, current and user
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* profiles.
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*
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\***************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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#ifndef RC_INVOKED
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#include <winstaw.h>
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#include <syslib.h>
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#include <tsappcmp.h>
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#include <compatfl.h>
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#include <utilsub.h>
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#endif
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#include "cprofile.h"
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HKEY hkeyCurrentUser;
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PSID gSystemSid; // Initialized in 'InitializeGlobalSids'
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PSID gAdminsLocalGroup; // Initialized in 'InitializeGlobalSids
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SID_IDENTIFIER_AUTHORITY gNtAuthority = SECURITY_NT_AUTHORITY;
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#define SYSTEM_DEFAULT_SUBKEY TEXT(".DEFAULT")
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#define TEMP_USER_SUBKEY TEXT("TEMP_USER")
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#define TEMP_USER_HIVE_PATH TEXT("%systemroot%\\system32\\config\\")
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#define TEMP_SAVE_HIVE TEXT("%systemroot%\\system32\\config\\HiveSave")
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#define CITRIX_CLASSES L"\\Registry\\Machine\\Software\\Classes"
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LPTSTR lpTempUserHive = NULL;
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LPTSTR lpTempUserHivePath = NULL;
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LPTSTR lpTempHiveKey;
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extern TCHAR szDefExt[];
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extern PSID gSystemSid;
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BOOL AllocAndExpandEnvironmentStrings(LPTSTR String, LPTSTR *lpExpandedString);
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VOID GetRegistryKeyFromPath(LPTSTR lpPath, LPTSTR *lpKey);
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NTSTATUS
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CtxDeleteKeyTree( HANDLE hKeyRoot,
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PKEY_BASIC_INFORMATION pKeyInfo,
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ULONG ulInfoSize );
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PSECURITY_DESCRIPTOR GetSecurityInfo( LPTSTR File );
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void FreeSecurityInfo(PSECURITY_DESCRIPTOR);
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/***************************************************************************\
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* ClearTempUserProfile
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*
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* Purpose : unloads the temp user profile loaded from a file, and deletes
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* the temp file
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*
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* History:
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* 11-20-92 JohanneC Created.
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\***************************************************************************/
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BOOL APIENTRY ClearTempUserProfile()
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{
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BOOL bRet;
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if (hkeyCurrentUser == HKEY_CURRENT_USER)
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return(TRUE);
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//
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// Close registry keys.
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//
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if (hkeyCurrentUser) {
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RegCloseKey(hkeyCurrentUser);
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}
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hkeyCurrentUser = HKEY_CURRENT_USER;
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bRet = (RegUnLoadKey(HKEY_USERS, lpTempHiveKey) == ERROR_SUCCESS);
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if (*lpTempUserHive) {
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DeleteFile(lpTempUserHive);
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lstrcat(lpTempUserHive, TEXT(".log"));
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DeleteFile(lpTempUserHive);
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LocalFree(lpTempUserHive);
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lpTempUserHive = NULL;
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}
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return(bRet);
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}
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/***************************************************************************\
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* OpenUserProfile
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*
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* Purpose : Load an existing profile in the registry and unload previously
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* loaded profile (and delete its tmp file).
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*
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* History:
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* 11-20-92 JohanneC Created.
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\***************************************************************************/
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BOOL APIENTRY OpenUserProfile(LPTSTR szFilePath, PSID *pUserSid)
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{
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DWORD err;
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//
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// Copy the profile to a temp hive before loading it in the registry.
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//
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if (!lpTempUserHivePath) {
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if (!AllocAndExpandEnvironmentStrings(TEMP_USER_HIVE_PATH, &lpTempUserHivePath))
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return(FALSE);
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}
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lpTempUserHive = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) *
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(lstrlen(lpTempUserHivePath) + 17));
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if (!lpTempUserHive) {
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return(FALSE);
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}
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if (!GetTempFileName(lpTempUserHivePath, TEXT("tmp"), 0, lpTempUserHive)) {
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lstrcpy(lpTempUserHive, lpTempUserHivePath);
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lstrcat(lpTempUserHive, TEXT("\\HiveOpen"));
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}
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if (CopyFile(szFilePath, lpTempUserHive, FALSE)) {
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GetRegistryKeyFromPath(lpTempUserHive, &lpTempHiveKey);
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if ((err = RegLoadKey(HKEY_USERS, lpTempHiveKey, lpTempUserHive)) == ERROR_SUCCESS) {
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if ((err = RegOpenKeyEx(HKEY_USERS, lpTempHiveKey, 0,
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MAXIMUM_ALLOWED,
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&hkeyCurrentUser)) != ERROR_SUCCESS) {
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//
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// Error, do not have access to the profile.
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//
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ErrorPrintf(IDS_ERROR_PROFILE_LOAD_ERR, err);
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ClearTempUserProfile();
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return(FALSE);
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}
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}
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else {
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DeleteFile(lpTempUserHive);
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lstrcat(lpTempUserHive, TEXT(".log"));
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DeleteFile(lpTempUserHive);
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LocalFree(lpTempUserHive);
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//
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// Could not load the user profile, check the error code
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//
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if (err == ERROR_BADDB) {
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// bad format: not a profile registry file
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ErrorPrintf(IDS_ERROR_BAD_PROFILE);
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return(FALSE);
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}
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else {
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// generic error message : Failed to load profile
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ErrorPrintf(IDS_ERROR_PROFILE_LOAD_ERR, err);
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return(FALSE);
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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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// An error occured trying to load the profile.
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//
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DeleteFile(lpTempUserHive);
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switch ( (err = GetLastError()) ) {
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case ERROR_SHARING_VIOLATION:
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ErrorPrintf(IDS_ERROR_PROFILE_INUSE);
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break;
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default:
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ErrorPrintf(IDS_ERROR_PROFILE_LOAD_ERR, err);
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break;
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}
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return(FALSE);
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}
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//
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// Get the permitted user
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//
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*pUserSid = NULL;
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return(TRUE);
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}
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/***************************************************************************\
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* SaveUserProfile
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*
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* Purpose : Save the loaded profile as a file. The registry should already
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* have the existing ACL's already set so nothing needs to change. The
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* file ACL's do need to be copied from the original and applied to the
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* saved file. This function assumes the orignal file exists.
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*
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\***************************************************************************/
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BOOL APIENTRY SaveUserProfile(PSID pUserSid, LPTSTR lpFilePath)
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{
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LPTSTR lpTmpHive = NULL;
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BOOL err = FALSE;
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//
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// Save the profile to a temp hive then copy it over.
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//
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if ( AllocAndExpandEnvironmentStrings(TEMP_SAVE_HIVE, &lpTmpHive) )
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{
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if( lpTmpHive != NULL )
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{
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DeleteFile(lpTmpHive);
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if(RegSaveKey(hkeyCurrentUser, lpTmpHive, NULL) != ERROR_SUCCESS)
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{
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LocalFree(lpTmpHive);
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lpTmpHive = NULL;
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err = TRUE;
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}
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else
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{
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PSECURITY_DESCRIPTOR pSecDesc;
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DWORD Attrib = GetFileAttributes(lpFilePath);
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pSecDesc = GetSecurityInfo(lpFilePath);
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SetFileAttributes(lpFilePath,FILE_ATTRIBUTE_ARCHIVE);
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if(CopyFile(lpTmpHive, lpFilePath, FALSE))
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{
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DeleteFile(lpTmpHive);
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LocalFree(lpTmpHive);
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lpTmpHive = NULL;
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if (pSecDesc)
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{
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SetFileSecurity(lpFilePath,
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DACL_SECURITY_INFORMATION,
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pSecDesc);
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FreeSecurityInfo(pSecDesc);
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}
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}
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else
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{
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if(pSecDesc)
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{
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FreeSecurityInfo(pSecDesc);
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}
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err = TRUE;
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}
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if(0xffffffff != Attrib)
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{
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SetFileAttributes(lpFilePath,Attrib);
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}
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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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err = TRUE;
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}
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if( lpTmpHive != NULL )
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{
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LocalFree(lpTmpHive);
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}
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return(!err);
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}
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/***************************************************************************\
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* EnablePrivilege
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*
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* Enables/disabled the specified well-known privilege in the
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* current process context
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*
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* Returns TRUE on success, FALSE on failure
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*
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* History:
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* 12-05-91 Davidc Created
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\***************************************************************************/
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BOOL
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EnablePrivilege(
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DWORD Privilege,
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BOOL Enable
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)
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{
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NTSTATUS Status;
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#if 0
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BOOL WasEnabled;
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Status = RtlAdjustPrivilege(Privilege, Enable, TRUE, (PBOOLEAN)&WasEnabled);
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return(NT_SUCCESS(Status));
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#else
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HANDLE ProcessToken;
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LUID LuidPrivilege;
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PTOKEN_PRIVILEGES NewPrivileges;
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DWORD Length;
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//
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// Open our own token
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//
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Status = NtOpenProcessToken(
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NtCurrentProcess(),
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TOKEN_ADJUST_PRIVILEGES,
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&ProcessToken
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);
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if (!NT_SUCCESS(Status)) {
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return(FALSE);
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}
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//
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// Initialize the privilege adjustment structure
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//
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LuidPrivilege = RtlConvertLongToLuid(Privilege);
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NewPrivileges = (PTOKEN_PRIVILEGES) LocalAlloc(LPTR, sizeof(TOKEN_PRIVILEGES) +
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(1 - ANYSIZE_ARRAY) * sizeof(LUID_AND_ATTRIBUTES));
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if (NewPrivileges == NULL) {
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NtClose(ProcessToken);
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return(FALSE);
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}
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NewPrivileges->PrivilegeCount = 1;
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NewPrivileges->Privileges[0].Luid = LuidPrivilege;
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//
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// WORKAROUND: because of a bug in NtAdjustPrivileges which
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// returns an error when you try to enable a privilege
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// that is already enabled, we first try to disable it.
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// to be removed when api is fixed.
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//
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NewPrivileges->Privileges[0].Attributes = 0;
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Status = NtAdjustPrivilegesToken(
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ProcessToken, // TokenHandle
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(BOOLEAN)FALSE, // DisableAllPrivileges
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NewPrivileges, // NewPrivileges
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0, // BufferLength
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NULL, // PreviousState (OPTIONAL)
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&Length // ReturnLength
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);
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NewPrivileges->Privileges[0].Attributes = Enable ? SE_PRIVILEGE_ENABLED : 0;
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//
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// Enable the privilege
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//
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Status = NtAdjustPrivilegesToken(
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ProcessToken, // TokenHandle
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(BOOLEAN)FALSE, // DisableAllPrivileges
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NewPrivileges, // NewPrivileges
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0, // BufferLength
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NULL, // PreviousState (OPTIONAL)
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&Length // ReturnLength
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);
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LocalFree(NewPrivileges);
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NtClose(ProcessToken);
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if (Status) {
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return(FALSE);
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}
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return(TRUE);
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#endif
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}
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BOOL AllocAndExpandEnvironmentStrings(LPTSTR String, LPTSTR *lpExpandedString)
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{
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LPTSTR lptmp = NULL;
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DWORD cchBuffer;
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// Get the number of characters needed.
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cchBuffer = ExpandEnvironmentStrings(String, lptmp, 0);
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if (cchBuffer) {
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cchBuffer++; // for NULL terminator
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lptmp = (LPTSTR)LocalAlloc(LPTR, sizeof(TCHAR) * cchBuffer);
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if (!lptmp) {
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return(FALSE);
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}
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cchBuffer = ExpandEnvironmentStrings(String, lptmp, cchBuffer);
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}
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*lpExpandedString = lptmp;
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return(TRUE);
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}
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VOID GetRegistryKeyFromPath(LPTSTR lpPath, LPTSTR *lpKey)
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{
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LPTSTR lptmp;
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*lpKey = lpPath;
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for (lptmp = lpPath; *lptmp; lptmp++) {
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if (*lptmp == TEXT('\\')) {
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*lpKey = lptmp+1;
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}
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}
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}
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/***************************************************************************\
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* InitializeGlobalSids
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*
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* Initializes the various global Sids used in this module.
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*
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* History:
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* 04-28-93 JohanneC Created
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\***************************************************************************/
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VOID InitializeGlobalSids()
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{
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NTSTATUS Status;
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//
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// Build the admins local group SID
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//
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Status = RtlAllocateAndInitializeSid(
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&gNtAuthority,
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2,
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SECURITY_BUILTIN_DOMAIN_RID,
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DOMAIN_ALIAS_RID_ADMINS,
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0, 0, 0, 0, 0, 0,
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&gAdminsLocalGroup
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);
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//
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// create System Sid
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//
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Status = RtlAllocateAndInitializeSid(
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&gNtAuthority,
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1,
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SECURITY_LOCAL_SYSTEM_RID,
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0, 0, 0, 0, 0, 0, 0,
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&gSystemSid
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);
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}
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/*****************************************************************************
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*
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* ClearDisabledClasses
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*
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* This routine will check the compatibility flags for the user's Classes
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* registry key, and remove the keys if mapping is disabled.
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*
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* ENTRY:
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*
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* EXIT:
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* No return value.
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*
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****************************************************************************/
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void ClearDisabledClasses(void)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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ULONG ulcnt = 0, ultemp = 0;
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UNICODE_STRING UniPath;
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OBJECT_ATTRIBUTES ObjAttr;
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PKEY_BASIC_INFORMATION pKeyUserInfo = NULL;
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HANDLE hKeyUser = NULL;
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NTSTATUS Status2;
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HANDLE hClassesKey;
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WCHAR wcuser[MAX_PATH];
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if ( ! hkeyCurrentUser) {
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return;
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}
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GetTermsrCompatFlags(CITRIX_CLASSES, &ultemp, CompatibilityRegEntry);
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if ( (ultemp & (TERMSRV_COMPAT_WIN32 | TERMSRV_COMPAT_NOREGMAP)) !=
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(TERMSRV_COMPAT_WIN32 | TERMSRV_COMPAT_NOREGMAP)) {
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return;
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}
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// Get a buffer for the key info
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ulcnt = sizeof(KEY_BASIC_INFORMATION) + MAX_PATH*sizeof(WCHAR) + sizeof(WCHAR);
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pKeyUserInfo = RtlAllocateHeap(RtlProcessHeap(),
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0,
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ulcnt);
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if (!pKeyUserInfo) {
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Status = STATUS_NO_MEMORY;
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}
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// We have the necessary buffers, start checking the keys
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if (NT_SUCCESS(Status)) {
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// Build up a string for this user's software section
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wcscpy(wcuser, L"Software");
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// Create a unicode string for the user key path
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RtlInitUnicodeString(&UniPath, wcuser);
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InitializeObjectAttributes(&ObjAttr,
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&UniPath,
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OBJ_CASE_INSENSITIVE,
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hkeyCurrentUser,
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NULL);
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Status = NtOpenKey(&hKeyUser,
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KEY_READ | DELETE,
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&ObjAttr);
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RtlInitUnicodeString(&UniPath, L"Classes");
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InitializeObjectAttributes(&ObjAttr,
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&UniPath,
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OBJ_CASE_INSENSITIVE,
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hKeyUser,
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NULL);
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Status2 = NtOpenKey(&hClassesKey, KEY_READ | DELETE, &ObjAttr);
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if ( NT_SUCCESS(Status2) ) {
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Status2 = CtxDeleteKeyTree(hClassesKey, pKeyUserInfo, ulcnt);
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if ( !NT_SUCCESS(Status2)) {
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}
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NtClose(hClassesKey);
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}
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// If we allocated the system key, close it
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if (hKeyUser) {
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NtClose(hKeyUser);
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}
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}
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|
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// Free up any memory we allocated
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if (pKeyUserInfo) {
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RtlFreeHeap( RtlProcessHeap(), 0, pKeyUserInfo);
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}
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}
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|
|
|
|
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/*****************************************************************************
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*
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* CtxDeleteKeyTree
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*
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|
* Delete a subtree of registry keys
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|
*
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|
* ENTRY:
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|
* hKeyRoot is a handle to the root key that will be deleted along with
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* its children
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|
* pKeyInfo is a pointer to a KEY_BASIC_INFORMATION buffer that is
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|
* large enough to hold a MAX_PATH WCHAR string. It is
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* reused and destroyed by each recursive call.
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|
* ulInfoSize is the size of the pKeyInfo buffer
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|
*
|
|
* EXIT:
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|
* Status
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|
*
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|
****************************************************************************/
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|
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NTSTATUS
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|
CtxDeleteKeyTree( HANDLE hKeyRoot,
|
|
PKEY_BASIC_INFORMATION pKeyInfo,
|
|
ULONG ulInfoSize )
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS, Status2;
|
|
UNICODE_STRING UniPath;
|
|
OBJECT_ATTRIBUTES ObjAttr;
|
|
ULONG ulcnt = 0;
|
|
ULONG ultemp;
|
|
HANDLE hKey;
|
|
|
|
// Go through each of the subkeys
|
|
while (NT_SUCCESS(Status)) {
|
|
|
|
Status = NtEnumerateKey(hKeyRoot,
|
|
ulcnt,
|
|
KeyBasicInformation,
|
|
pKeyInfo,
|
|
ulInfoSize,
|
|
&ultemp);
|
|
|
|
// Delete sub keys
|
|
if (NT_SUCCESS(Status)) {
|
|
|
|
// Null terminate the key name
|
|
pKeyInfo->Name[pKeyInfo->NameLength/sizeof(WCHAR)] = L'\0';
|
|
|
|
// Create a unicode string for the key name
|
|
RtlInitUnicodeString(&UniPath, pKeyInfo->Name);
|
|
|
|
InitializeObjectAttributes(&ObjAttr,
|
|
&UniPath,
|
|
OBJ_CASE_INSENSITIVE,
|
|
hKeyRoot,
|
|
NULL);
|
|
|
|
// Open up the child key
|
|
Status2 = NtOpenKey(&hKey,
|
|
MAXIMUM_ALLOWED,
|
|
&ObjAttr);
|
|
|
|
if ( NT_SUCCESS(Status2) ) {
|
|
Status2 = CtxDeleteKeyTree ( hKey, pKeyInfo, ulInfoSize );
|
|
NtClose(hKey);
|
|
// If the key was not successfully deleted, we need
|
|
// to increment the enumerate index to guarantee
|
|
// that the alogorithm will complete.
|
|
if ( !NT_SUCCESS(Status2) ) {
|
|
++ulcnt;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If we deleted all the sub-keys delete the curent key
|
|
if ( !ulcnt ) {
|
|
Status = NtDeleteKey(hKeyRoot);
|
|
}
|
|
else {
|
|
Status = STATUS_CANNOT_DELETE;
|
|
}
|
|
return ( Status );
|
|
}
|
|
|
|
|
|
PSECURITY_DESCRIPTOR
|
|
GetSecurityInfo(LPTSTR lpFilePath)
|
|
{
|
|
int SizeReq = 0;
|
|
PSECURITY_DESCRIPTOR pSecDesc = NULL;
|
|
|
|
GetFileSecurity(lpFilePath, DACL_SECURITY_INFORMATION, pSecDesc, 0,
|
|
&SizeReq);
|
|
if ( !SizeReq ) {
|
|
return (NULL);
|
|
}
|
|
|
|
pSecDesc = LocalAlloc(LPTR, SizeReq);
|
|
if ( pSecDesc ) {
|
|
if ( !GetFileSecurity(lpFilePath, DACL_SECURITY_INFORMATION, pSecDesc,
|
|
SizeReq, &SizeReq) ) {
|
|
LocalFree(pSecDesc);
|
|
pSecDesc = NULL;
|
|
}
|
|
}
|
|
return (pSecDesc);
|
|
}
|
|
|
|
void
|
|
FreeSecurityInfo(PSECURITY_DESCRIPTOR pSecDesc)
|
|
{
|
|
LocalFree(pSecDesc);
|
|
}
|
|
|