currentuser.cxx.svn-base

wince下的VNC 控制。X86下的源码。完全来源于共享源码。调试OK。

/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
* 
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
* USA.
*/

// -=- Currentuser.cxx

#include <stdlib.h>
#include <rfb/LogWriter.h>
#include <rfb_wince/CurrentUser.h>
#include <rfb_wince/DynamicFn.h>
#include <rfb_wince/Service.h>
#include <rfb_wince/OSVersion.h>
#include <lmcons.h>

using namespace rfb;
using namespace win32;

static LogWriter vlog("CurrentUser");


const TCHAR* shellIconClass = _T("Shell_TrayWnd");
/*
BOOL CALLBACK enumWindows(HWND hwnd, LPARAM lParam) {
TCHAR className[16];
if (GetClassName(hwnd, className, sizeof(className)) &&
(_tcscmp(className, shellIconClass) == 0)) {
vlog.debug("located tray icon window (%s)", (const char*)CStr(className));
DWORD processId = 0;
GetWindowThreadProcessId(hwnd, &processId);
if (!processId)
return TRUE;
Handle process = OpenProcess(MAXIMUM_ALLOWED, FALSE, processId);
if (!process.h)
return TRUE;
if (!OpenProcessToken(process, MAXIMUM_ALLOWED, (HANDLE*)lParam))
return TRUE;
vlog.debug("obtained user token");
return FALSE;
}
return TRUE;
}
*/
/*
BOOL CALLBACK enumDesktops(LPTSTR lpszDesktop, LPARAM lParam) {
HDESK desktop = OpenDesktop(lpszDesktop, 0, FALSE, DESKTOP_ENUMERATE);
vlog.debug("opening \"%s\"", lpszDesktop);
if (!desktop) {
vlog.info("desktop \"%s\" inaccessible", (const char*)CStr(lpszDesktop));
return TRUE;
}
BOOL result = EnumDesktopWindows(desktop, enumWindows, lParam);
if (!CloseDesktop(desktop))
vlog.info("unable to close desktop: %ld", GetLastError());
return result;
}
*/

CurrentUserToken::CurrentUserToken() : isSafe_(false) {
/*
if (isServiceProcess()) {
// If the platform is Windows 95/98/Me then we must fake the token's presence
if (osVersion.isPlatformWindows) {
try {
UserName un;
h = INVALID_HANDLE_VALUE;
} catch (rdr::SystemException& e) {
if (e.err != ERROR_NOT_LOGGED_ON)
throw;
if (FindWindow(shellIconClass, 0))
h = INVALID_HANDLE_VALUE;
}
isSafe_ = (h != 0);
return;
}

  // Try to get the user token using the Terminal Services APIs
  //   NB: This will only work under XP/2003 and later
  typedef BOOL (WINAPI *WTSQueryUserToken_proto)(ULONG, PHANDLE);
  DynamicFn<WTSQueryUserToken_proto> _WTSQueryUserToken(_T("wtsapi32.dll"), "WTSQueryUserToken");
  if (_WTSQueryUserToken.isValid()) {
  (*_WTSQueryUserToken)(-1, &h);
  isSafe_ = true;
  return;
  }
  
    // Try to find the Shell Tray Icon window and take its token
    //   NB: This will only work under NT/2K (and later, but they're dealt with above)
    //   NB: If the shell is not running then this will return an Unsafe Null token.
    EnumDesktops(GetProcessWindowStation(), enumDesktops, (LONG)&h);
    isSafe_ = (h != 0);
	} else {
	
	  // Try to open the security token for the User-Mode process
	  if (!OpenProcessToken(GetCurrentProcess(), GENERIC_ALL, &h)) {
      DWORD err = GetLastError();
      if (err != ERROR_CALL_NOT_IMPLEMENTED)
	  throw rdr::SystemException("OpenProcessToken failed", err);
      // Under Windows 95/98/Me, we fake the handle value...
	*/
	h = INVALID_HANDLE_VALUE;
	/*
    }
    */
    isSafe_ = true;
	/*}*/
}


ImpersonateCurrentUser::ImpersonateCurrentUser() {
	RegCloseKey(HKEY_CURRENT_USER);
	
#ifndef _EFON_VNC_NOT_RUNAS_SERVICE
	if (!isServiceProcess()) {
		return;
	}
#endif
	/*
	if (!token.canImpersonate())
    throw rdr::Exception("Cannot impersonate unsafe or null token");
	if (!ImpersonateLoggedOnUser(token)) {
    DWORD err = GetLastError();
    if (err != ERROR_CALL_NOT_IMPLEMENTED)
	throw rdr::SystemException("Failed to impersonate user", GetLastError());
	}
	*/
}

ImpersonateCurrentUser::~ImpersonateCurrentUser() {
/*
if (!RevertToSelf()) {
DWORD err = GetLastError();
if (err != ERROR_CALL_NOT_IMPLEMENTED)
exit(err);
}
	*/
	RegCloseKey(HKEY_CURRENT_USER);
}

/*
UserName::UserName() : TCharArray(UNLEN+1) {
DWORD len = UNLEN+1;
if (!GetUserName(buf, &len))
throw rdr::SystemException("GetUserName failed", GetLastError());
}
*/

/*
UserSID::UserSID() {
CurrentUserToken token;
if (!token.canImpersonate())
return;
setSID(Sid::FromToken(token.h));
}
*/