| 1 | /* $Id: RTSystemShutdown-win.cpp 39729 2012-01-08 17:29:43Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTSystemShutdown, Windows.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*******************************************************************************
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| 29 | * Header Files *
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| 30 | *******************************************************************************/
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| 31 | #include <iprt/system.h>
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| 32 | #include "internal/iprt.h"
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| 33 |
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| 34 | #include <iprt/assert.h>
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| 35 | #include <iprt/err.h>
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| 36 | #include <iprt/string.h>
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| 37 |
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| 38 | #include <Windows.h>
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| 39 |
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| 40 |
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| 41 | RTDECL(int) RTSystemShutdown(RTMSINTERVAL cMsDelay, uint32_t fFlags, const char *pszLogMsg)
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| 42 | {
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| 43 | AssertPtrReturn(pszLogMsg, VERR_INVALID_POINTER);
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| 44 | AssertReturn(!(fFlags & ~RTSYSTEM_SHUTDOWN_VALID_MASK), VERR_INVALID_PARAMETER);
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| 45 |
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| 46 | PRTUTF16 pwszLogMsg;
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| 47 | int rc = RTStrToUtf16(pszLogMsg, &pwszLogMsg);
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| 48 | if (RT_FAILURE(rc))
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| 49 | return rc;
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| 50 | DWORD cSecsTimeout = (cMsDelay + 499) / 1000;
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| 51 | BOOL fRebootAfterShutdown = (fFlags & RTSYSTEM_SHUTDOWN_ACTION_MASK) == RTSYSTEM_SHUTDOWN_REBOOT
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| 52 | ? TRUE : FALSE;
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| 53 | BOOL fForceAppsClosed = fFlags & RTSYSTEM_SHUTDOWN_FORCE ? TRUE : FALSE;
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| 54 |
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| 55 | /*
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| 56 | * Do the
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| 57 | */
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| 58 | if (InitiateSystemShutdownW(NULL /*pwszMachineName = NULL = localhost*/,
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| 59 | pwszLogMsg,
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| 60 | cSecsTimeout,
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| 61 | fForceAppsClosed,
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| 62 | fRebootAfterShutdown))
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| 63 | rc = (fFlags & RTSYSTEM_SHUTDOWN_ACTION_MASK) == RTSYSTEM_SHUTDOWN_HALT ? VINF_SYS_MAY_POWER_OFF : VINF_SUCCESS;
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| 64 | else
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| 65 | {
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| 66 | /* If we failed because of missing privileges, try get the right to
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| 67 | shut down the system and call the api again. */
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| 68 | DWORD dwErr = GetLastError();
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| 69 | rc = RTErrConvertFromWin32(dwErr);
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| 70 | if (dwErr == ERROR_ACCESS_DENIED)
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| 71 | {
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| 72 | HANDLE hToken = NULL;
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| 73 | if (OpenThreadToken(GetCurrentThread(),
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| 74 | TOKEN_ADJUST_PRIVILEGES,
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| 75 | TRUE /*OpenAsSelf*/,
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| 76 | &hToken))
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| 77 | dwErr = NO_ERROR;
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| 78 | else
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| 79 | {
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| 80 | dwErr = GetLastError();
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| 81 | if (dwErr == ERROR_NO_TOKEN)
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| 82 | {
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| 83 | if (OpenProcessToken(GetCurrentProcess(),
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| 84 | TOKEN_ADJUST_PRIVILEGES,
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| 85 | &hToken))
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| 86 | dwErr = NO_ERROR;
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| 87 | else
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| 88 | dwErr = GetLastError();
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| 89 | }
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| 90 | }
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| 91 |
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| 92 | if (dwErr == NO_ERROR)
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| 93 | {
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| 94 | union
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| 95 | {
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| 96 | TOKEN_PRIVILEGES TokenPriv;
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| 97 | char ab[sizeof(TOKEN_PRIVILEGES) + sizeof(LUID_AND_ATTRIBUTES)];
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| 98 | } u;
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| 99 | u.TokenPriv.PrivilegeCount = 1;
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| 100 | u.TokenPriv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
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| 101 | if (LookupPrivilegeValue(NULL /*localhost*/, SE_SHUTDOWN_NAME, &u.TokenPriv.Privileges[0].Luid))
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| 102 | {
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| 103 | if (AdjustTokenPrivileges(hToken,
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| 104 | FALSE /*DisableAllPrivileges*/,
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| 105 | &u.TokenPriv,
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| 106 | RT_OFFSETOF(TOKEN_PRIVILEGES, Privileges[1]),
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| 107 | NULL,
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| 108 | NULL) )
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| 109 | {
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| 110 | if (InitiateSystemShutdownW(NULL /*pwszMachineName = NULL = localhost*/,
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| 111 | pwszLogMsg,
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| 112 | cSecsTimeout,
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| 113 | fForceAppsClosed,
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| 114 | fRebootAfterShutdown))
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| 115 | rc = (fFlags & RTSYSTEM_SHUTDOWN_ACTION_MASK) == RTSYSTEM_SHUTDOWN_HALT ? VINF_SYS_MAY_POWER_OFF : VINF_SUCCESS;
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| 116 | else
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| 117 | {
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| 118 | dwErr = GetLastError();
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| 119 | rc = RTErrConvertFromWin32(dwErr);
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| 120 | }
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| 121 | }
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| 122 | CloseHandle(hToken);
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| 123 | }
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| 124 | }
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| 125 | }
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| 126 | }
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| 127 |
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| 128 | RTUtf16Free(pwszLogMsg);
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| 129 | return rc;
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| 130 | }
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| 131 | RT_EXPORT_SYMBOL(RTSystemShutdown);
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| 132 |
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