windows-nt/Source/XPSP1/NT/shell/osshell/accessib/utilman/_umclnt.h
2020-09-26 16:20:57 +08:00

140 lines
5.1 KiB
C

// ----------------------------------------------------------------------------
//
// _UMClnt.h
//
// Client definition for Utility Manager
//
// Author: J. Eckhardt, ECO Kommunikation
// (c) 1997-99 Microsoft
//
// History: created oct-98 by JE
// JE nov-15-98: removed any code related to key hook
// JE nov-15-98: changed UMDialog message to be a service control message
// JE nov-15 98: changed "umc_machine_ts" to save memory
// JE nov-15 98: changed "umc_machine_ts" to support launch specific client
// JE nov-15 98: changed "umclient_ts" for multiple instances support
// YX jun-01 99: added DisplayName member to the umc_machine_ts
// YX jun-23 99: added IsAdmin function
// ----------------------------------------------------------------------------
#ifndef __UMCLNT_H_
#define __UMCLNT_H_
#include "UtilMan.h"
// ---------------------------------
// HKLM\Software\Microsoft\Windows NT\CurrentVersion\Accessibility\Utility Manager\[Application Name]
// ---------------------------------
#define ACC_KEY_NONE -1
typedef struct
{
WCHAR ApplicationName[MAX_APPLICATION_NAME_LEN];
WCHAR DisplayName[MAX_APPLICATION_NAME_LEN]; // YX: added for localization purposes
DWORD ApplicationType;//APPLICATION_TYPE_xxx
DWORD WontRespondTimeout;//NO_WONTRESPONDTIMEOUT or up to MAX_WONTRESPONDTIMEOUT (sec)
DWORD MaxRunCount;// instances (only a byte in registry)
DWORD ClientControlCode;//JE nov-15 98
WPARAM AcceleratorKey; // micw - the accelerator key for this applet
} umc_machine_ts,*umc_machine_tsp;
// ---------------------------------
// HKCU\Software\Microsoft\Windows NT\CurrentVersion\Accessibility\Utility Manager\[Application Name]
typedef struct
{
BOOL fCanRunSecure;
BOOL fStartWithUtilityManager;
BOOL fStartAtLogon;
BOOL fStartOnLockDesktop;
BOOL fRestartOnDefaultDesk;
} umc_user_ts, *umc_user_tsp;
// ---------------------------------
// internal client struct (for each instance)
#define UM_CLIENT_NOT_RUNNING 0
#define UM_CLIENT_RUNNING 1
#define UM_CLIENT_NOT_RESPONDING 2
typedef struct
{
umc_machine_ts machine;
umc_user_ts user;
DWORD runCount;// number of instance
DWORD state;
DWORD processID[MAX_APP_RUNCOUNT];
HANDLE hProcess[MAX_APP_RUNCOUNT];
DWORD mainThreadID[MAX_APP_RUNCOUNT];
DWORD lastResponseTime[MAX_APP_RUNCOUNT];
} umclient_ts, *umclient_tsp;
// ---------------------------------
// header structure
#define START_BY_OTHER 0x0
#define START_BY_HOTKEY 0x1
#define START_BY_MENU 0x2
typedef struct
{
DWORD numberOfClients; // number of applets being managed
DWORD dwStartMode; // one of START_BY_HOTKEY, START_BY_MENU, or START_BY_OTHER
BOOL fShowWarningAgain; // flag for showing warning dlg when started via Start menu
} umc_header_ts, *umc_header_tsp;
// ---------------------------------
// memory mapped files
#define UMC_HEADER_FILE _TEXT("UtilityManagerClientHeaderFile")
// sizeof(umc_header_ts)
#define UMC_CLIENT_FILE _TEXT("UtilityManagerClientDataFile")
// sizeof(umclient_ts) * (umc_header_tsp)->numberOfClients
// ---------------------------------
#ifdef __cplusplus
extern "C" {
#endif
BOOL StartClient(HWND hParent,umclient_tsp client);
BOOL StopClient(umclient_tsp client);
BOOL StartApplication(LPTSTR pszPath, LPTSTR pszArg, BOOL fIsTrusted,
DWORD *pdwProcessId, HANDLE *phProcess, DWORD *pdwThreadId);
BOOL GetClientApplicationPath(LPTSTR ApplicationName, LPTSTR ApplicationPath,DWORD len);
BOOL GetClientErrorOnLaunch(LPTSTR ApplicationName, LPTSTR ErrorOnLaunch,DWORD len);
BOOL CheckStatus(umclient_tsp c, DWORD cClients);
BOOL IsAdmin();
BOOL IsInteractiveUser();
BOOL IsSystem();
HANDLE GetUserAccessToken(BOOL fNeedImpersonationToken, BOOL *fError);
BOOL TestServiceClientRuns(umclient_tsp client,SERVICE_STATUS *ssStatus);
// Helpers to start up the utilman instance that displays UI
extern HANDLE g_hUIProcess;
__inline void OpenUManDialogOutOfProc()
{
TCHAR szUtilmanPath[_MAX_PATH+64] = {0};
if (GetModuleFileName(NULL, szUtilmanPath, _MAX_PATH+64))
{
// This function is called (when there is an interactive user) to bring up
// the utilman UI in the user's security context. This avoids the problem
// where a non-trusted application could send a message to utilman and cause
// some process to start as SYSTEM. In this context, utilman is not considered
// trusted; it must start as the interactive user or not at all.
StartApplication(szUtilmanPath, TEXT("/start"), FALSE, NULL, &g_hUIProcess, NULL);
}
}
__inline HANDLE GetUIUtilman()
{
return g_hUIProcess;
}
__inline BOOL ResetUIUtilman()
{
// This process detected the switch and should quit on its own
if (g_hUIProcess)
{
CloseHandle(g_hUIProcess);
g_hUIProcess = 0;
return TRUE;
}
return FALSE;
}
__inline void SetUIUtilman(HANDLE hProcess)
{
ResetUIUtilman();
g_hUIProcess = hProcess;
}
#ifdef __cplusplus
}
#endif
#endif __UMCLNT_H_