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CodeX

Registriert seit: 30. Okt 2004
471 Beiträge
 
Delphi 12 Athens
 
#29

Re: Programm von Dienst starten lassen (Jetzt aber wirklich

  Alt 21. Jun 2008, 19:27
Ja, klar. Hatte das ja schon bei meinem letzen Posting geschrieben. Habe eben noch die kleineren Anpassungen, die Du geschrieben hast, eingebaut.

So sieht das ganze in der letzten Version aus:

Delphi-Quellcode:
procedure StartApp(const App, Parameters, CurDir : TJwString);
var
  StartupInfo : TStartupInfoA;
  ProcInfo : TProcessInformation;
  pEnv : Pointer;
 
  pCurDir,
  pCmdLine : TJwPChar;

  ServiceToken, CopiedToken, UserToken : TJwSecurityToken;
begin

    ZeroMemory(@StartupInfo, sizeof(StartupInfo));
    StartupInfo.cb := SizeOf(StartupInfo);
    StartupInfo.lpDesktop := 'winsta0\default';

    pCmdLine := TJwPChar('"'+App+'" ' + Parameters);

    pCurDir := Nil;
    if Length(CurDir) > 0 then
      pCurDir := TJwPChar(CurDir);


    //get the token from the service system session
    ServiceToken := TJwSecurityToken.CreateTokenEffective(MAXIMUM_ALLOWED);
    TJwAutoPointer.Wrap(ServiceToken);

    //copy the token to be able to change the TokenSessionId
    //Info: Win2000: Only 0
    // WinXP: Service=0, 1.User=0, 2.User=1, 3.User=2, ...
    // WinVista: Service=0, 1.User=1, 2.User=2, 3.User=3, ...
    CopiedToken := TJwSecurityToken.CreateDuplicateExistingToken(ServiceToken.TokenHandle, MAXIMUM_ALLOWED);
    TJwAutoPointer.Wrap(CopiedToken);

    
    //get the token of the logged in user
    if is2000 then
      UserToken := TJwSecurityToken.CreateCompatibilityQueryUserToken(MAXIMUM_ALLOWED, 'explorer.exe')
    else //XP, 2003, Vista, 2008
      UserToken := TJwSecurityToken.CreateWTSQueryUserTokenEx(nil, WtsGetActiveConsoleSessionID);
    TJwAutoPointer.Wrap(UserToken);

    //give the copied token the same sessionid as the logged in user
    CopiedToken.TokenSessionId := UserToken.TokenSessionId;
    

    //create the environment block using the logged in user
    JwaWindows.CreateEnvironmentBlock(@pEnv, UserToken.TokenHandle, false);


    try
     if not CreateProcessAsUser(
      CopiedToken.TokenHandle,
      TJwPChar(App), //__in_opt LPCTSTR lpApplicationName,
      pCmdLine, //__inout_opt LPTSTR lpCommandLine,
      nil, //__in_opt LPSECURITY_ATTRIBUTES lpProcessAttributes,
      nil, //__in_opt LPSECURITY_ATTRIBUTES lpThreadAttributes,
      false, //__in BOOL bInheritHandles,
      CREATE_NEW_CONSOLE or CREATE_DEFAULT_ERROR_MODE or CREATE_UNICODE_ENVIRONMENT,
                         //__in DWORD dwCreationFlags,
      pEnv, //__in_opt LPVOID lpEnvironment,
      pCurDir, //__in_opt LPCTSTR lpCurrentDirectory,
      StartupInfo, //__in LPSTARTUPINFO lpStartupInfo,
      ProcInfo //__out LPPROCESS_INFORMATION lpProcessInformation
     ) then
     raiseLastOsError;
    finally
      DestroyEnvironmentBlock(pEnv);
    end;


    CloseHandle(ProcInfo.hProcess);
    CloseHandle(ProcInfo.hThread);

end;
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