mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
2.4 KiB
109 lines
2.4 KiB
/*++
|
|
|
|
Copyright (c) 2000 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
EnableRestarts.cpp
|
|
|
|
Abstract:
|
|
|
|
This DLL APIHooks ExitWindowsEx and gives the process enough privileges to
|
|
restart the computer.
|
|
|
|
Notes:
|
|
|
|
This is a general purpose shim.
|
|
|
|
History:
|
|
|
|
11/10/1999 v-johnwh Created.
|
|
10/19/2000 andyseti Close process option added with command line to handle
|
|
a case where A process cancel ExitWindowsEx request by
|
|
B process because A process is waiting for process B to
|
|
quit while process B never quit. In Win9x, process B
|
|
quit as soon as it calls ExitWindowsEx so process A can
|
|
quit also and the system restarts.
|
|
|
|
--*/
|
|
|
|
#include "precomp.h"
|
|
|
|
IMPLEMENT_SHIM_BEGIN(EnableRestarts)
|
|
#include "ShimHookMacro.h"
|
|
|
|
APIHOOK_ENUM_BEGIN
|
|
APIHOOK_ENUM_ENTRY(ExitWindowsEx)
|
|
APIHOOK_ENUM_END
|
|
|
|
/*++
|
|
|
|
This stub function enables appropriate privileges for the process so that it
|
|
can restart the machine.
|
|
|
|
--*/
|
|
|
|
BOOL
|
|
APIHOOK(ExitWindowsEx)(
|
|
UINT uFlags,
|
|
DWORD dwReserved
|
|
)
|
|
{
|
|
BOOL bRet;
|
|
HANDLE hToken;
|
|
TOKEN_PRIVILEGES structPtr;
|
|
LUID luid;
|
|
|
|
if (uFlags & (EWX_POWEROFF | EWX_REBOOT | EWX_SHUTDOWN)) {
|
|
|
|
if (OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken)) {
|
|
structPtr.PrivilegeCount = 1;
|
|
|
|
if (LookupPrivilegeValueW(NULL, SE_SHUTDOWN_NAME, &luid)) {
|
|
structPtr.Privileges[0].Luid = luid;
|
|
structPtr.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|
|
|
|
LOGN(
|
|
eDbgLevelError,
|
|
"[ExitWindowsEx] Adding process privileges for restart.");
|
|
|
|
AdjustTokenPrivileges(hToken, FALSE, &structPtr, 0, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
CSTRING_TRY
|
|
{
|
|
CString csCL(COMMAND_LINE);
|
|
if (csCL.CompareNoCase(L"CLOSE_PROCESS") == 0) {
|
|
LOGN(
|
|
eDbgLevelError,
|
|
"[ExitWindowsEx] Closing process.");
|
|
|
|
ExitProcess(1);
|
|
}
|
|
}
|
|
CSTRING_CATCH
|
|
{
|
|
// Do nothing
|
|
}
|
|
}
|
|
|
|
return ORIGINAL_API(ExitWindowsEx)(uFlags, dwReserved);
|
|
}
|
|
|
|
|
|
/*++
|
|
|
|
Register hooked functions
|
|
|
|
--*/
|
|
|
|
HOOK_BEGIN
|
|
|
|
APIHOOK_ENTRY(USER32.DLL, ExitWindowsEx)
|
|
|
|
HOOK_END
|
|
|
|
|
|
IMPLEMENT_SHIM_END
|
|
|