Esempio n. 1
0
VOID NTAPI MainMenuInitializingCallback(
    _In_opt_ PVOID Parameter,
    _In_opt_ PVOID Context
    )
{
    PPH_PLUGIN_MENU_INFORMATION menuInfo = Parameter;
    PPH_EMENU_ITEM systemMenu;
    PPH_EMENU_ITEM bootMenuItem;

    if (menuInfo->u.MainMenu.SubMenuIndex != PH_MENU_ITEM_LOCATION_TOOLS)
        return;

    if (!(systemMenu = PhFindEMenuItem(menuInfo->Menu, 0, L"System", 0)))
    {
        PhInsertEMenuItem(menuInfo->Menu, PhCreateEMenuSeparator(), -1);
        PhInsertEMenuItem(menuInfo->Menu, systemMenu = PhPluginCreateEMenuItem(PluginInstance, 0, 0, L"&System", NULL), -1);
    }

    PhInsertEMenuItem(systemMenu, bootMenuItem = PhPluginCreateEMenuItem(PluginInstance, 0, BOOT_ENTRIES_MENUITEM, L"Firm&ware Table", NULL), -1);

    if (!PhGetOwnTokenAttributes().Elevated)
    {
        bootMenuItem->Flags |= PH_EMENU_DISABLED;
    }
}
Esempio n. 2
0
PPH_LIST DiskDriveQueryMountPointHandles(
    _In_ ULONG DeviceNumber
    )
{
    ULONG driveMask;
    PPH_LIST deviceList;
    WCHAR deviceNameBuffer[7] = L"\\\\.\\?:";

    driveMask = DiskDriveQueryDeviceMap();
    deviceList = PhCreateList(2);

    // NOTE: This isn't the best way of doing this but it works.
    for (INT i = 0; i < 0x1A; i++)
    {
        if (driveMask & (0x1 << i))
        {
            HANDLE deviceHandle;

            deviceNameBuffer[4] = (WCHAR)('A' + i);

            if (NT_SUCCESS(PhCreateFileWin32(
                &deviceHandle,
                deviceNameBuffer,
                PhGetOwnTokenAttributes().Elevated ? FILE_GENERIC_READ : FILE_READ_ATTRIBUTES | FILE_TRAVERSE | SYNCHRONIZE,
                FILE_ATTRIBUTE_NORMAL,
                FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                FILE_OPEN,
                FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT
                )))
            {
                ULONG deviceNumber = ULONG_MAX; // Note: Do not initialize to zero.
                DEVICE_TYPE deviceType = 0;

                if (NT_SUCCESS(DiskDriveQueryDeviceTypeAndNumber(
                    deviceHandle,
                    &deviceNumber,
                    &deviceType
                    )))
                {
                    // BUG: Device numbers are re-used on seperate device controllers and this
                    // causes drive letters to be assigned to disks at those same indexes.
                    // For now, just filter CD_ROM devices but we may need to be a lot more strict and
                    // only allow devices of type FILE_DEVICE_DISK to be scanned for mount points.
                    if (deviceNumber == DeviceNumber && deviceType != FILE_DEVICE_CD_ROM)
                    {
                        PDISK_HANDLE_ENTRY entry = PhAllocate(sizeof(DISK_HANDLE_ENTRY));
                        memset(entry, 0, sizeof(DISK_HANDLE_ENTRY));

                        entry->DeviceLetter = deviceNameBuffer[4];
                        entry->DeviceHandle = deviceHandle;

                        PhAddItemList(deviceList, entry);
                    }
                }
            }
        }
    }

    return deviceList;
}
Esempio n. 3
0
HRESULT CALLBACK FinalTaskDialogCallbackProc(
    _In_ HWND hwndDlg,
    _In_ UINT uMsg,
    _In_ WPARAM wParam,
    _In_ LPARAM lParam,
    _In_ LONG_PTR dwRefData
    )
{
    PPH_UPDATER_CONTEXT context = (PPH_UPDATER_CONTEXT)dwRefData;

    switch (uMsg)
    {
    case TDN_NAVIGATED:
        {
            if (!PhGetOwnTokenAttributes().Elevated)
            {
                SendMessage(hwndDlg, TDM_SET_BUTTON_ELEVATION_REQUIRED_STATE, IDYES, TRUE);
            }
        }
        break;
    case TDN_BUTTON_CLICKED:
        {
            if ((INT)wParam == IDRETRY)
            {
                ShowAvailableDialog(context);
                return S_FALSE;
            }
        }
        break;
    }

    return S_OK;
}
Esempio n. 4
0
VOID EtEtwMonitorInitialization(
    VOID
    )
{
    if (PhGetOwnTokenAttributes().Elevated && PhGetIntegerSetting(SETTING_NAME_ENABLE_ETW_MONITOR))
    {
        EtStartEtwSession();

        if (EtEtwEnabled)
            EtpEtwMonitorThreadHandle = PhCreateThread(0, EtpEtwMonitorThreadStart, NULL);
    }
}
Esempio n. 5
0
VOID NTAPI MainMenuInitializingCallback(
    _In_opt_ PVOID Parameter,
    _In_opt_ PVOID Context
    )
{
    PPH_PLUGIN_MENU_INFORMATION menuInfo = Parameter;
    PPH_EMENU_ITEM liveDumpMenu;

    if (menuInfo->u.MainMenu.SubMenuIndex != PH_MENU_ITEM_LOCATION_TOOLS)
        return;

    PhInsertEMenuItem(menuInfo->Menu, liveDumpMenu = PhPluginCreateEMenuItem(PluginInstance, 0, PLUGIN_MENU_ITEM, L"&Live kernel dump...", NULL), -1);

    if (WindowsVersion < WINDOWS_8_1 || !PhGetOwnTokenAttributes().Elevated)
    {
        liveDumpMenu->Flags |= PH_EMENU_DISABLED;
    }
}
Esempio n. 6
0
VOID PhpAdvancedPageLoad(
    _In_ HWND hwndDlg
    )
{
    HWND changeButton;

    SetDlgItemCheckForSetting(hwndDlg, IDC_ENABLEWARNINGS, L"EnableWarnings");
    SetDlgItemCheckForSetting(hwndDlg, IDC_ENABLEKERNELMODEDRIVER, L"EnableKph");
    SetDlgItemCheckForSetting(hwndDlg, IDC_HIDEUNNAMEDHANDLES, L"HideUnnamedHandles");
    SetDlgItemCheckForSetting(hwndDlg, IDC_ENABLESTAGE2, L"EnableStage2");
    SetDlgItemCheckForSetting(hwndDlg, IDC_ENABLENETWORKRESOLVE, L"EnableNetworkResolve");
    SetDlgItemCheckForSetting(hwndDlg, IDC_PROPAGATECPUUSAGE, L"PropagateCpuUsage");
    SetDlgItemCheckForSetting(hwndDlg, IDC_ENABLEINSTANTTOOLTIPS, L"EnableInstantTooltips");

    if (WindowsVersion >= WINDOWS_7)
        SetDlgItemCheckForSetting(hwndDlg, IDC_ENABLECYCLECPUUSAGE, L"EnableCycleCpuUsage");

    SetDlgItemInt(hwndDlg, IDC_SAMPLECOUNT, PhGetIntegerSetting(L"SampleCount"), FALSE);
    SetDlgItemCheckForSetting(hwndDlg, IDC_SAMPLECOUNTAUTOMATIC, L"SampleCountAutomatic");

    if (PhGetIntegerSetting(L"SampleCountAutomatic"))
        EnableWindow(GetDlgItem(hwndDlg, IDC_SAMPLECOUNT), FALSE);

    // Replace Task Manager

    changeButton = GetDlgItem(hwndDlg, IDC_CHANGE);

    if (PhGetOwnTokenAttributes().Elevated)
    {
        ShowWindow(changeButton, SW_HIDE);
    }
    else
    {
        SendMessage(changeButton, BCM_SETSHIELD, 0, TRUE);
    }

    {
        HANDLE taskmgrKeyHandle = NULL;
        ULONG disposition;
        BOOLEAN success = FALSE;
        BOOLEAN alreadyReplaced = FALSE;

        // See if we can write to the key.
        if (NT_SUCCESS(PhCreateKey(
            &taskmgrKeyHandle,
            KEY_READ | KEY_WRITE,
            PH_KEY_LOCAL_MACHINE,
            &TaskMgrImageOptionsKeyName,
            0,
            0,
            &disposition
            )))
        {
            success = TRUE;
        }

        if (taskmgrKeyHandle || NT_SUCCESS(PhOpenKey(
            &taskmgrKeyHandle,
            KEY_READ,
            PH_KEY_LOCAL_MACHINE,
            &TaskMgrImageOptionsKeyName,
            0
            )))
        {
            PhClearReference(&OldTaskMgrDebugger);

            if (OldTaskMgrDebugger = PhQueryRegistryString(taskmgrKeyHandle, L"Debugger"))
            {
                alreadyReplaced = PathMatchesPh(OldTaskMgrDebugger);
            }

            NtClose(taskmgrKeyHandle);
        }

        if (!success)
            EnableWindow(GetDlgItem(hwndDlg, IDC_REPLACETASKMANAGER), FALSE);

        OldReplaceTaskMgr = alreadyReplaced;
        Button_SetCheck(GetDlgItem(hwndDlg, IDC_REPLACETASKMANAGER), alreadyReplaced ? BST_CHECKED : BST_UNCHECKED);
    }
}
Esempio n. 7
0
/**
 * Starts a program as another user.
 *
 * \param hWnd A handle to the parent window.
 * \param Program The command line of the program to start.
 * \param UserName The user to start the program as. The user
 * name should be specified as: domain\\name. This parameter
 * can be NULL if \a ProcessIdWithToken is specified.
 * \param Password The password for the specified user. If there
 * is no password, specify an empty string. This parameter
 * can be NULL if \a ProcessIdWithToken is specified.
 * \param LogonType The logon type for the specified user. This
 * parameter can be 0 if \a ProcessIdWithToken is specified.
 * \param ProcessIdWithToken The ID of a process from which
 * to duplicate the token.
 * \param SessionId The ID of the session to run the program
 * under.
 * \param DesktopName The window station and desktop to run the
 * program under.
 * \param UseLinkedToken Uses the linked token if possible.
 *
 * \retval STATUS_CANCELLED The user cancelled the operation.
 *
 * \remarks This function will cause another instance of
 * Process Hacker to be executed if the current security context
 * does not have sufficient system access. This is done
 * through a UAC elevation prompt.
 */
NTSTATUS PhExecuteRunAsCommand2(
    _In_ HWND hWnd,
    _In_ PWSTR Program,
    _In_opt_ PWSTR UserName,
    _In_opt_ PWSTR Password,
    _In_opt_ ULONG LogonType,
    _In_opt_ HANDLE ProcessIdWithToken,
    _In_ ULONG SessionId,
    _In_ PWSTR DesktopName,
    _In_ BOOLEAN UseLinkedToken
    )
{
    NTSTATUS status = STATUS_SUCCESS;
    PH_RUNAS_SERVICE_PARAMETERS parameters;
    WCHAR serviceName[32];
    PPH_STRING portName;
    UNICODE_STRING portNameUs;

    memset(&parameters, 0, sizeof(PH_RUNAS_SERVICE_PARAMETERS));
    parameters.ProcessId = HandleToUlong(ProcessIdWithToken);
    parameters.UserName = UserName;
    parameters.Password = Password;
    parameters.LogonType = LogonType;
    parameters.SessionId = SessionId;
    parameters.CommandLine = Program;
    parameters.DesktopName = DesktopName;
    parameters.UseLinkedToken = UseLinkedToken;

    // Try to use an existing instance of the service if possible.
    if (RunAsOldServiceName[0] != 0)
    {
        PhAcquireQueuedLockExclusive(&RunAsOldServiceLock);

        portName = PhConcatStrings2(L"\\BaseNamedObjects\\", RunAsOldServiceName);
        PhStringRefToUnicodeString(&portName->sr, &portNameUs);

        if (NT_SUCCESS(PhSvcConnectToServer(&portNameUs, 0)))
        {
            parameters.ServiceName = RunAsOldServiceName;
            status = PhSvcCallInvokeRunAsService(&parameters);
            PhSvcDisconnectFromServer();

            PhDereferenceObject(portName);
            PhReleaseQueuedLockExclusive(&RunAsOldServiceLock);

            return status;
        }

        PhDereferenceObject(portName);
        PhReleaseQueuedLockExclusive(&RunAsOldServiceLock);
    }

    // An existing instance was not available. Proceed normally.

    memcpy(serviceName, L"ProcessHacker", 13 * sizeof(WCHAR));
    PhGenerateRandomAlphaString(&serviceName[13], 16);
    PhAcquireQueuedLockExclusive(&RunAsOldServiceLock);
    memcpy(RunAsOldServiceName, serviceName, sizeof(serviceName));
    PhReleaseQueuedLockExclusive(&RunAsOldServiceLock);

    parameters.ServiceName = serviceName;

    if (PhGetOwnTokenAttributes().Elevated)
    {
        status = PhExecuteRunAsCommand(&parameters);
    }
    else
    {
        if (PhUiConnectToPhSvc(hWnd, FALSE))
        {
            status = PhSvcCallExecuteRunAsCommand(&parameters);
            PhUiDisconnectFromPhSvc();
        }
        else
        {
            status = STATUS_CANCELLED;
        }
    }

    return status;
}
Esempio n. 8
0
HRESULT CALLBACK FinalTaskDialogCallbackProc(
    _In_ HWND hwndDlg,
    _In_ UINT uMsg,
    _In_ WPARAM wParam,
    _In_ LPARAM lParam,
    _In_ LONG_PTR dwRefData
    )
{
    PPH_UPDATER_CONTEXT context = (PPH_UPDATER_CONTEXT)dwRefData;

    switch (uMsg)
    {
    case TDN_NAVIGATED:
        {
            if (!PhGetOwnTokenAttributes().Elevated)
            {
                SendMessage(hwndDlg, TDM_SET_BUTTON_ELEVATION_REQUIRED_STATE, IDYES, TRUE);
            }
        }
        break;
    case TDN_BUTTON_CLICKED:
        {
            if ((INT)wParam == IDRETRY)
            {
                ShowCheckingForUpdatesDialog(context);
                return S_FALSE;
            }

            if ((INT)wParam == IDYES)
            {
                SHELLEXECUTEINFO info = { sizeof(SHELLEXECUTEINFO) };

                if (PhIsNullOrEmptyString(context->SetupFilePath))
                    break;

                info.lpFile = context->SetupFilePath->Buffer;
                info.lpVerb = PhGetOwnTokenAttributes().Elevated ? NULL : L"runas";
                info.nShow = SW_SHOW;
                info.hwnd = hwndDlg;

                ProcessHacker_PrepareForEarlyShutdown(PhMainWndHandle);

                if (!ShellExecuteEx(&info))
                {
                    // Install failed, cancel the shutdown.
                    ProcessHacker_CancelEarlyShutdown(PhMainWndHandle);

                    // Set button text for next action
                    //Button_SetText(GetDlgItem(hwndDlg, IDOK), L"Retry");

                    return S_FALSE;
                }
                else
                {
                    ProcessHacker_Destroy(PhMainWndHandle);
                }
            }
        }
        break;
    case TDN_HYPERLINK_CLICKED:
        {
            TaskDialogLinkClicked(context);
        }
        break;
    }

    return S_OK;
}
Esempio n. 9
0
VOID ToolbarLoadSettings(
    VOID
    )
{
    RebarLoadSettings();

    if (ToolStatusConfig.ToolBarEnabled && ToolBarHandle)
    {
        INT index = 0;
        INT buttonCount = 0;

        buttonCount = (INT)SendMessage(ToolBarHandle, TB_BUTTONCOUNT, 0, 0);

        for (index = 0; index < buttonCount; index++)
        {
            TBBUTTONINFO buttonInfo =
            {
                sizeof(TBBUTTONINFO),
                TBIF_BYINDEX | TBIF_STYLE | TBIF_COMMAND | TBIF_STATE
            };

            // Get settings for first button
            if (SendMessage(ToolBarHandle, TB_GETBUTTONINFO, index, (LPARAM)&buttonInfo) == -1)
                break;

            // Skip separator buttons
            if (buttonInfo.fsStyle == BTNS_SEP)
                continue;

            // Add the button text
            buttonInfo.dwMask |= TBIF_TEXT;
            buttonInfo.pszText = ToolbarGetText(buttonInfo.idCommand);

            switch (DisplayStyle)
            {
            case TOOLBAR_DISPLAY_STYLE_IMAGEONLY:
                buttonInfo.fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE;
                break;
            case TOOLBAR_DISPLAY_STYLE_SELECTIVETEXT:
                {
                    switch (buttonInfo.idCommand)
                    {
                    case PHAPP_ID_VIEW_REFRESH:
                    case PHAPP_ID_HACKER_OPTIONS:
                    case PHAPP_ID_HACKER_FINDHANDLESORDLLS:
                    case PHAPP_ID_VIEW_SYSTEMINFORMATION:
                        buttonInfo.fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE | BTNS_SHOWTEXT;
                        break;
                    default:
                        buttonInfo.fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE;
                        break;
                    }
                }
                break;
            case TOOLBAR_DISPLAY_STYLE_ALLTEXT:
                buttonInfo.fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE | BTNS_SHOWTEXT;
                break;
            }

            switch (buttonInfo.idCommand)
            {
            case PHAPP_ID_HACKER_SHOWDETAILSFORALLPROCESSES:
                {
                    if (PhGetOwnTokenAttributes().Elevated)
                    {
                        buttonInfo.fsState &= ~TBSTATE_ENABLED;
                    }
                }
                break;
            case PHAPP_ID_VIEW_ALWAYSONTOP:
                {
                    // Set the pressed state
                    if (PhGetIntegerSetting(L"MainWindowAlwaysOnTop"))
                    {
                        buttonInfo.fsState |= TBSTATE_PRESSED;
                    }
                }
                break;
            case TIDC_POWERMENUDROPDOWN:
                {
                    buttonInfo.fsStyle |= BTNS_WHOLEDROPDOWN;
                }
                break;
            }

            // Set updated button info
            SendMessage(ToolBarHandle, TB_SETBUTTONINFO, index, (LPARAM)&buttonInfo);
        }

        // Resize the toolbar
        SendMessage(ToolBarHandle, TB_AUTOSIZE, 0, 0);
    }

    if (ToolStatusConfig.ToolBarEnabled && RebarHandle && ToolBarHandle)
    {
        UINT index;
        REBARBANDINFO rebarBandInfo =
        {
            sizeof(REBARBANDINFO),
            RBBIM_IDEALSIZE
        };

        if ((index = (UINT)SendMessage(RebarHandle, RB_IDTOINDEX, REBAR_BAND_ID_TOOLBAR, 0)) != UINT_MAX)
        {
            // Get settings for Rebar band.
            if (SendMessage(RebarHandle, RB_GETBANDINFO, index, (LPARAM)&rebarBandInfo))
            {
                SIZE idealWidth = { 0, 0 };

                // Reset the cxIdeal for the Chevron
                if (SendMessage(ToolBarHandle, TB_GETIDEALSIZE, FALSE, (LPARAM)&idealWidth))
                {
                    rebarBandInfo.cxIdeal = (UINT)idealWidth.cx;

                    SendMessage(RebarHandle, RB_SETBANDINFO, index, (LPARAM)&rebarBandInfo);
                }
            }
        }
    }

    // Invoke the LayoutPaddingCallback.
    SendMessage(PhMainWndHandle, WM_SIZE, 0, 0);
}
Esempio n. 10
0
INT WINAPI wWinMain(
    _In_ HINSTANCE hInstance,
    _In_opt_ HINSTANCE hPrevInstance,
    _In_ PWSTR lpCmdLine,
    _In_ INT nCmdShow
    )
{
    LONG result;
#ifdef DEBUG
    PHP_BASE_THREAD_DBG dbg;
#endif
    HANDLE currentTokenHandle;

    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
#ifndef DEBUG
    SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
#endif

    PhInstanceHandle = (HINSTANCE)NtCurrentPeb()->ImageBaseAddress;

    if (!NT_SUCCESS(PhInitializePhLib()))
        return 1;
    if (!PhInitializeAppSystem())
        return 1;

    PhInitializeCommonControls();

    currentTokenHandle = PhGetOwnTokenAttributes().TokenHandle;

    if (currentTokenHandle)
    {
        PTOKEN_USER tokenUser;

        if (NT_SUCCESS(PhGetTokenUser(currentTokenHandle, &tokenUser)))
        {
            PhCurrentUserName = PhGetSidFullName(tokenUser->User.Sid, TRUE, NULL);
            PhFree(tokenUser);
        }
    }

    PhLocalSystemName = PhGetSidFullName(&PhSeLocalSystemSid, TRUE, NULL);

    // There has been a report of the above call failing.
    if (!PhLocalSystemName)
        PhLocalSystemName = PhCreateString(L"NT AUTHORITY\\SYSTEM");

    PhApplicationFileName = PhGetApplicationFileName();
    PhApplicationDirectory = PhGetApplicationDirectory();

    // Just in case
    if (!PhApplicationFileName)
        PhApplicationFileName = PhCreateString(L"ProcessHacker.exe");
    if (!PhApplicationDirectory)
        PhApplicationDirectory = PhReferenceEmptyString();

    PhpProcessStartupParameters();
    PhSettingsInitialization();
    PhpEnablePrivileges();

    if (PhStartupParameters.RunAsServiceMode)
    {
        RtlExitUserProcess(PhRunAsServiceStart(PhStartupParameters.RunAsServiceMode));
    }

    PhpInitializeSettings();

    // Activate a previous instance if required.
    if (PhGetIntegerSetting(L"AllowOnlyOneInstance") &&
        !PhStartupParameters.NewInstance &&
        !PhStartupParameters.ShowOptions &&
        !PhStartupParameters.CommandMode &&
        !PhStartupParameters.PhSvc)
    {
        PhActivatePreviousInstance();
    }

    if (PhGetIntegerSetting(L"EnableKph") && !PhStartupParameters.NoKph && !PhStartupParameters.CommandMode && !PhIsExecutingInWow64())
        PhInitializeKph();

    if (PhStartupParameters.CommandMode && PhStartupParameters.CommandType && PhStartupParameters.CommandAction)
    {
        NTSTATUS status;

        status = PhCommandModeStart();

        if (!NT_SUCCESS(status) && !PhStartupParameters.Silent)
        {
            PhShowStatus(NULL, L"Unable to execute the command", status, 0);
        }

        RtlExitUserProcess(status);
    }

#ifdef DEBUG
    dbg.ClientId = NtCurrentTeb()->ClientId;
    dbg.StartAddress = wWinMain;
    dbg.Parameter = NULL;
    InsertTailList(&PhDbgThreadListHead, &dbg.ListEntry);
    TlsSetValue(PhDbgThreadDbgTlsIndex, &dbg);
#endif

    PhInitializeAutoPool(&BaseAutoPool);

    PhEmInitialization();
    PhGuiSupportInitialization();
    PhTreeNewInitialization();
    PhGraphControlInitialization();
    PhHexEditInitialization();
    PhColorBoxInitialization();

    PhSmallIconSize.X = GetSystemMetrics(SM_CXSMICON);
    PhSmallIconSize.Y = GetSystemMetrics(SM_CYSMICON);
    PhLargeIconSize.X = GetSystemMetrics(SM_CXICON);
    PhLargeIconSize.Y = GetSystemMetrics(SM_CYICON);

    if (PhStartupParameters.ShowOptions)
    {
        // Elevated options dialog for changing the value of Replace Task Manager with Process Hacker.
        PhShowOptionsDialog(PhStartupParameters.WindowHandle);
        RtlExitUserProcess(STATUS_SUCCESS);
    }

#ifndef DEBUG
    if (PhIsExecutingInWow64() && !PhStartupParameters.PhSvc)
    {
        PhShowWarning(
            NULL,
            L"You are attempting to run the 32-bit version of Process Hacker on 64-bit Windows. "
            L"Most features will not work correctly.\n\n"
            L"Please run the 64-bit version of Process Hacker instead."
            );
    }
#endif

    PhPluginsEnabled = PhGetIntegerSetting(L"EnablePlugins") && !PhStartupParameters.NoPlugins;

    if (PhPluginsEnabled)
    {
        PhPluginsInitialization();
        PhLoadPlugins();
    }

    if (PhStartupParameters.PhSvc)
    {
        MSG message;

        // Turn the feedback cursor off.
        PostMessage(NULL, WM_NULL, 0, 0);
        GetMessage(&message, NULL, 0, 0);

        RtlExitUserProcess(PhSvcMain(NULL, NULL, NULL));
    }

    // Create a mutant for the installer.
    {
        HANDLE mutantHandle;
        OBJECT_ATTRIBUTES oa;
        UNICODE_STRING mutantName;

        RtlInitUnicodeString(&mutantName, L"\\BaseNamedObjects\\ProcessHacker2Mutant");
        InitializeObjectAttributes(
            &oa,
            &mutantName,
            0,
            NULL,
            NULL
            );

        NtCreateMutant(&mutantHandle, MUTANT_ALL_ACCESS, &oa, FALSE);
    }

    // Set priority.
    {
        PROCESS_PRIORITY_CLASS priorityClass;

        priorityClass.Foreground = FALSE;
        priorityClass.PriorityClass = PROCESS_PRIORITY_CLASS_HIGH;

        if (PhStartupParameters.PriorityClass != 0)
            priorityClass.PriorityClass = (UCHAR)PhStartupParameters.PriorityClass;

        NtSetInformationProcess(NtCurrentProcess(), ProcessPriorityClass, &priorityClass, sizeof(PROCESS_PRIORITY_CLASS));
    }

    if (!PhMainWndInitialization(nCmdShow))
    {
        PhShowError(NULL, L"Unable to initialize the main window.");
        return 1;
    }

    PhDrainAutoPool(&BaseAutoPool);

    result = PhMainMessageLoop();
    RtlExitUserProcess(result);
}
Esempio n. 11
0
VOID PhpProcessStartupParameters(
    VOID
    )
{
    static PH_COMMAND_LINE_OPTION options[] =
    {
        { PH_ARG_SETTINGS, L"settings", MandatoryArgumentType },
        { PH_ARG_NOSETTINGS, L"nosettings", NoArgumentType },
        { PH_ARG_SHOWVISIBLE, L"v", NoArgumentType },
        { PH_ARG_SHOWHIDDEN, L"hide", NoArgumentType },
        { PH_ARG_COMMANDMODE, L"c", NoArgumentType },
        { PH_ARG_COMMANDTYPE, L"ctype", MandatoryArgumentType },
        { PH_ARG_COMMANDOBJECT, L"cobject", MandatoryArgumentType },
        { PH_ARG_COMMANDACTION, L"caction", MandatoryArgumentType },
        { PH_ARG_COMMANDVALUE, L"cvalue", MandatoryArgumentType },
        { PH_ARG_RUNASSERVICEMODE, L"ras", MandatoryArgumentType },
        { PH_ARG_NOKPH, L"nokph", NoArgumentType },
        { PH_ARG_INSTALLKPH, L"installkph", NoArgumentType },
        { PH_ARG_UNINSTALLKPH, L"uninstallkph", NoArgumentType },
        { PH_ARG_DEBUG, L"debug", NoArgumentType },
        { PH_ARG_HWND, L"hwnd", MandatoryArgumentType },
        { PH_ARG_POINT, L"point", MandatoryArgumentType },
        { PH_ARG_SHOWOPTIONS, L"showoptions", NoArgumentType },
        { PH_ARG_PHSVC, L"phsvc", NoArgumentType },
        { PH_ARG_NOPLUGINS, L"noplugins", NoArgumentType },
        { PH_ARG_NEWINSTANCE, L"newinstance", NoArgumentType },
        { PH_ARG_ELEVATE, L"elevate", NoArgumentType },
        { PH_ARG_SILENT, L"s", NoArgumentType },
        { PH_ARG_HELP, L"help", NoArgumentType },
        { PH_ARG_SELECTPID, L"selectpid", MandatoryArgumentType },
        { PH_ARG_PRIORITY, L"priority", MandatoryArgumentType },
        { PH_ARG_PLUGIN, L"plugin", MandatoryArgumentType },
        { PH_ARG_SELECTTAB, L"selecttab", MandatoryArgumentType },
        { PH_ARG_SYSINFO, L"sysinfo", OptionalArgumentType }
    };
    PH_STRINGREF commandLine;

    PhUnicodeStringToStringRef(&NtCurrentPeb()->ProcessParameters->CommandLine, &commandLine);

    memset(&PhStartupParameters, 0, sizeof(PH_STARTUP_PARAMETERS));

    if (!PhParseCommandLine(
        &commandLine,
        options,
        sizeof(options) / sizeof(PH_COMMAND_LINE_OPTION),
        PH_COMMAND_LINE_IGNORE_UNKNOWN_OPTIONS | PH_COMMAND_LINE_IGNORE_FIRST_PART,
        PhpCommandLineOptionCallback,
        NULL
        ) || PhStartupParameters.Help)
    {
        PhShowInformation(
            NULL,
            L"Command line options:\n\n"
            L"-c\n"
            L"-ctype command-type\n"
            L"-cobject command-object\n"
            L"-caction command-action\n"
            L"-cvalue command-value\n"
            L"-debug\n"
            L"-elevate\n"
            L"-help\n"
            L"-hide\n"
            L"-installkph\n"
            L"-newinstance\n"
            L"-nokph\n"
            L"-noplugins\n"
            L"-nosettings\n"
            L"-plugin pluginname:value\n"
            L"-priority r|h|n|l\n"
            L"-s\n"
            L"-selectpid pid-to-select\n"
            L"-selecttab name-of-tab-to-select\n"
            L"-settings filename\n"
            L"-sysinfo [section-name]\n"
            L"-uninstallkph\n"
            L"-v\n"
            );

        if (PhStartupParameters.Help)
            RtlExitUserProcess(STATUS_SUCCESS);
    }

    if (PhStartupParameters.InstallKph)
    {
        NTSTATUS status;
        PPH_STRING kprocesshackerFileName;
        KPH_PARAMETERS parameters;

        kprocesshackerFileName = PhConcatStrings2(PhApplicationDirectory->Buffer, L"\\kprocesshacker.sys");

        parameters.SecurityLevel = KphSecuritySignatureCheck;
        parameters.CreateDynamicConfiguration = TRUE;

        status = KphInstallEx(KPH_DEVICE_SHORT_NAME, kprocesshackerFileName->Buffer, &parameters);

        if (!NT_SUCCESS(status) && !PhStartupParameters.Silent)
            PhShowStatus(NULL, L"Unable to install KProcessHacker", status, 0);

        RtlExitUserProcess(status);
    }

    if (PhStartupParameters.UninstallKph)
    {
        NTSTATUS status;

        status = KphUninstall(KPH_DEVICE_SHORT_NAME);

        if (!NT_SUCCESS(status) && !PhStartupParameters.Silent)
            PhShowStatus(NULL, L"Unable to uninstall KProcessHacker", status, 0);

        RtlExitUserProcess(status);
    }

    if (PhStartupParameters.Elevate && !PhGetOwnTokenAttributes().Elevated)
    {
        PhShellProcessHacker(
            NULL,
            NULL,
            SW_SHOW,
            PH_SHELL_EXECUTE_ADMIN,
            PH_SHELL_APP_PROPAGATE_PARAMETERS | PH_SHELL_APP_PROPAGATE_PARAMETERS_FORCE_SETTINGS,
            0,
            NULL
            );
        RtlExitUserProcess(STATUS_SUCCESS);
    }

    if (PhStartupParameters.Debug)
    {
        // The symbol provider won't work if this is chosen.
        PhShowDebugConsole();
    }
}
Esempio n. 12
0
static _Callback_ NTSTATUS PhpSetServiceSecurity(
    _In_ PSECURITY_DESCRIPTOR SecurityDescriptor,
    _In_ SECURITY_INFORMATION SecurityInformation,
    _In_opt_ PVOID Context
    )
{
    NTSTATUS status;
    PPH_STD_OBJECT_SECURITY stdObjectSecurity;

    stdObjectSecurity = (PPH_STD_OBJECT_SECURITY)Context;

    status = PhStdSetObjectSecurity(SecurityDescriptor, SecurityInformation, Context);

    if ((status == STATUS_ACCESS_DENIED || status == NTSTATUS_FROM_WIN32(ERROR_ACCESS_DENIED)) && !PhGetOwnTokenAttributes().Elevated)
    {
        // Elevate using phsvc.
        if (PhUiConnectToPhSvc(NULL, FALSE))
        {
            status = PhSvcCallSetServiceSecurity(
                ((PPH_SERVICE_ITEM)stdObjectSecurity->Context)->Name->Buffer,
                SecurityInformation,
                SecurityDescriptor
                );
            PhUiDisconnectFromPhSvc();
        }
    }

    return status;
}
Esempio n. 13
0
INT_PTR CALLBACK PhpServiceGeneralDlgProc(
    _In_ HWND hwndDlg,
    _In_ UINT uMsg,
    _In_ WPARAM wParam,
    _In_ LPARAM lParam
    )
{
    switch (uMsg)
    {
    case WM_INITDIALOG:
        {
            LPPROPSHEETPAGE propSheetPage = (LPPROPSHEETPAGE)lParam;
            PSERVICE_PROPERTIES_CONTEXT context = (PSERVICE_PROPERTIES_CONTEXT)propSheetPage->lParam;
            PPH_SERVICE_ITEM serviceItem = context->ServiceItem;
            SC_HANDLE serviceHandle;
            ULONG startType;
            ULONG errorControl;
            PPH_STRING serviceDll;

            // HACK
            PhCenterWindow(GetParent(hwndDlg), GetParent(GetParent(hwndDlg)));

            SetProp(hwndDlg, PhMakeContextAtom(), (HANDLE)context);

            PhAddComboBoxStrings(GetDlgItem(hwndDlg, IDC_TYPE), PhServiceTypeStrings,
                sizeof(PhServiceTypeStrings) / sizeof(WCHAR *));
            PhAddComboBoxStrings(GetDlgItem(hwndDlg, IDC_STARTTYPE), PhServiceStartTypeStrings,
                sizeof(PhServiceStartTypeStrings) / sizeof(WCHAR *));
            PhAddComboBoxStrings(GetDlgItem(hwndDlg, IDC_ERRORCONTROL), PhServiceErrorControlStrings,
                sizeof(PhServiceErrorControlStrings) / sizeof(WCHAR *));

            SetDlgItemText(hwndDlg, IDC_DESCRIPTION, serviceItem->DisplayName->Buffer);
            PhSelectComboBoxString(GetDlgItem(hwndDlg, IDC_TYPE),
                PhGetServiceTypeString(serviceItem->Type), FALSE);

            startType = serviceItem->StartType;
            errorControl = serviceItem->ErrorControl;
            serviceHandle = PhOpenService(serviceItem->Name->Buffer, SERVICE_QUERY_CONFIG);

            if (serviceHandle)
            {
                LPQUERY_SERVICE_CONFIG config;
                PPH_STRING description;
                BOOLEAN delayedStart;

                if (config = PhGetServiceConfig(serviceHandle))
                {
                    SetDlgItemText(hwndDlg, IDC_GROUP, config->lpLoadOrderGroup);
                    SetDlgItemText(hwndDlg, IDC_BINARYPATH, config->lpBinaryPathName);
                    SetDlgItemText(hwndDlg, IDC_USERACCOUNT, config->lpServiceStartName);

                    if (startType != config->dwStartType || errorControl != config->dwErrorControl)
                    {
                        startType = config->dwStartType;
                        errorControl = config->dwErrorControl;
                        PhMarkNeedsConfigUpdateServiceItem(serviceItem);
                    }

                    PhFree(config);
                }

                if (description = PhGetServiceDescription(serviceHandle))
                {
                    SetDlgItemText(hwndDlg, IDC_DESCRIPTION, description->Buffer);
                    PhDereferenceObject(description);
                }

                if (
                    WindowsVersion >= WINDOWS_VISTA &&
                    PhGetServiceDelayedAutoStart(serviceHandle, &delayedStart)
                    )
                {
                    context->OldDelayedStart = delayedStart;

                    if (delayedStart)
                        Button_SetCheck(GetDlgItem(hwndDlg, IDC_DELAYEDSTART), BST_CHECKED);
                }

                CloseServiceHandle(serviceHandle);
            }

            PhSelectComboBoxString(GetDlgItem(hwndDlg, IDC_STARTTYPE),
                PhGetServiceStartTypeString(startType), FALSE);
            PhSelectComboBoxString(GetDlgItem(hwndDlg, IDC_ERRORCONTROL),
                PhGetServiceErrorControlString(errorControl), FALSE);

            SetDlgItemText(hwndDlg, IDC_PASSWORD, L"password");
            Button_SetCheck(GetDlgItem(hwndDlg, IDC_PASSWORDCHECK), BST_UNCHECKED);

            if (NT_SUCCESS(PhGetServiceDllParameter(&serviceItem->Name->sr, &serviceDll)))
            {
                SetDlgItemText(hwndDlg, IDC_SERVICEDLL, serviceDll->Buffer);
                PhDereferenceObject(serviceDll);
            }
            else
            {
                SetDlgItemText(hwndDlg, IDC_SERVICEDLL, L"N/A");
            }

            PhpRefreshControls(hwndDlg);

            context->Ready = TRUE;
        }
        break;
    case WM_DESTROY:
        {
            RemoveProp(hwndDlg, PhMakeContextAtom());
        }
        break;
    case WM_COMMAND:
        {
            PSERVICE_PROPERTIES_CONTEXT context =
                (PSERVICE_PROPERTIES_CONTEXT)GetProp(hwndDlg, PhMakeContextAtom());

            switch (LOWORD(wParam))
            {
            case IDCANCEL:
                {
                    // Workaround for property sheet + multiline edit: http://support.microsoft.com/kb/130765

                    SendMessage(GetParent(hwndDlg), uMsg, wParam, lParam);
                }
                break;
            case IDC_PASSWORD:
                {
                    if (HIWORD(wParam) == EN_CHANGE)
                    {
                        Button_SetCheck(GetDlgItem(hwndDlg, IDC_PASSWORDCHECK), BST_CHECKED);
                    }
                }
                break;
            case IDC_DELAYEDSTART:
                {
                    context->Dirty = TRUE;
                }
                break;
            case IDC_BROWSE:
                {
                    static PH_FILETYPE_FILTER filters[] =
                    {
                        { L"Executable files (*.exe;*.sys)", L"*.exe;*.sys" },
                        { L"All files (*.*)", L"*.*" }
                    };
                    PVOID fileDialog;
                    PPH_STRING commandLine;
                    PPH_STRING fileName;

                    fileDialog = PhCreateOpenFileDialog();
                    PhSetFileDialogFilter(fileDialog, filters, sizeof(filters) / sizeof(PH_FILETYPE_FILTER));

                    commandLine = PhaGetDlgItemText(hwndDlg, IDC_BINARYPATH);

                    if (context->ServiceItem->Type & SERVICE_WIN32)
                    {
                        PH_STRINGREF dummyFileName;
                        PH_STRINGREF dummyArguments;

                        if (!PhParseCommandLineFuzzy(&commandLine->sr, &dummyFileName, &dummyArguments, &fileName))
                            fileName = NULL;

                        if (!fileName)
                            PhSwapReference(&fileName, commandLine);
                    }
                    else
                    {
                        fileName = PhGetFileName(commandLine);
                    }

                    PhSetFileDialogFileName(fileDialog, fileName->Buffer);
                    PhDereferenceObject(fileName);

                    if (PhShowFileDialog(hwndDlg, fileDialog))
                    {
                        fileName = PhGetFileDialogFileName(fileDialog);
                        SetDlgItemText(hwndDlg, IDC_BINARYPATH, fileName->Buffer);
                        PhDereferenceObject(fileName);
                    }

                    PhFreeFileDialog(fileDialog);
                }
                break;
            }

            switch (HIWORD(wParam))
            {
            case EN_CHANGE:
            case CBN_SELCHANGE:
                {
                    PhpRefreshControls(hwndDlg);

                    if (context->Ready)
                        context->Dirty = TRUE;
                }
                break;
            }
        }
        break;
    case WM_NOTIFY:
        {
            LPNMHDR header = (LPNMHDR)lParam;

            switch (header->code)
            {
            case PSN_QUERYINITIALFOCUS:
                {
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, (LONG_PTR)GetDlgItem(hwndDlg, IDC_STARTTYPE));
                }
                return TRUE;
            case PSN_KILLACTIVE:
                {
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, FALSE);
                }
                return TRUE;
            case PSN_APPLY:
                {
                    NTSTATUS status;
                    PSERVICE_PROPERTIES_CONTEXT context =
                        (PSERVICE_PROPERTIES_CONTEXT)GetProp(hwndDlg, PhMakeContextAtom());
                    PPH_SERVICE_ITEM serviceItem = context->ServiceItem;
                    SC_HANDLE serviceHandle;
                    PPH_STRING newServiceTypeString;
                    PPH_STRING newServiceStartTypeString;
                    PPH_STRING newServiceErrorControlString;
                    ULONG newServiceType;
                    ULONG newServiceStartType;
                    ULONG newServiceErrorControl;
                    PPH_STRING newServiceGroup;
                    PPH_STRING newServiceBinaryPath;
                    PPH_STRING newServiceUserAccount;
                    PPH_STRING newServicePassword;

                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);

                    if (!context->Dirty)
                    {
                        return TRUE;
                    }

                    newServiceTypeString = PH_AUTO(PhGetWindowText(GetDlgItem(hwndDlg, IDC_TYPE)));
                    newServiceStartTypeString = PH_AUTO(PhGetWindowText(GetDlgItem(hwndDlg, IDC_STARTTYPE)));
                    newServiceErrorControlString = PH_AUTO(PhGetWindowText(GetDlgItem(hwndDlg, IDC_ERRORCONTROL)));
                    newServiceType = PhGetServiceTypeInteger(newServiceTypeString->Buffer);
                    newServiceStartType = PhGetServiceStartTypeInteger(newServiceStartTypeString->Buffer);
                    newServiceErrorControl = PhGetServiceErrorControlInteger(newServiceErrorControlString->Buffer);

                    newServiceGroup = PH_AUTO(PhGetWindowText(GetDlgItem(hwndDlg, IDC_GROUP)));
                    newServiceBinaryPath = PH_AUTO(PhGetWindowText(GetDlgItem(hwndDlg, IDC_BINARYPATH)));
                    newServiceUserAccount = PH_AUTO(PhGetWindowText(GetDlgItem(hwndDlg, IDC_USERACCOUNT)));

                    if (Button_GetCheck(GetDlgItem(hwndDlg, IDC_PASSWORDCHECK)) == BST_CHECKED)
                    {
                        newServicePassword = PhGetWindowText(GetDlgItem(hwndDlg, IDC_PASSWORD));
                    }
                    else
                    {
                        newServicePassword = NULL;
                    }

                    if (newServiceType == SERVICE_KERNEL_DRIVER && newServiceUserAccount->Length == 0)
                    {
                        newServiceUserAccount = NULL;
                    }

                    serviceHandle = PhOpenService(serviceItem->Name->Buffer, SERVICE_CHANGE_CONFIG);

                    if (serviceHandle)
                    {
                        if (ChangeServiceConfig(
                            serviceHandle,
                            newServiceType,
                            newServiceStartType,
                            newServiceErrorControl,
                            newServiceBinaryPath->Buffer,
                            newServiceGroup->Buffer,
                            NULL,
                            NULL,
                            PhGetString(newServiceUserAccount),
                            PhGetString(newServicePassword),
                            NULL
                            ))
                        {
                            if (WindowsVersion >= WINDOWS_VISTA)
                            {
                                BOOLEAN newDelayedStart;

                                newDelayedStart = Button_GetCheck(GetDlgItem(hwndDlg, IDC_DELAYEDSTART)) == BST_CHECKED;

                                if (newDelayedStart != context->OldDelayedStart)
                                {
                                    PhSetServiceDelayedAutoStart(serviceHandle, newDelayedStart);
                                }
                            }

                            PhMarkNeedsConfigUpdateServiceItem(serviceItem);

                            CloseServiceHandle(serviceHandle);
                        }
                        else
                        {
                            CloseServiceHandle(serviceHandle);
                            goto ErrorCase;
                        }
                    }
                    else
                    {
                        if (GetLastError() == ERROR_ACCESS_DENIED && !PhGetOwnTokenAttributes().Elevated)
                        {
                            // Elevate using phsvc.
                            if (PhUiConnectToPhSvc(hwndDlg, FALSE))
                            {
                                if (NT_SUCCESS(status = PhSvcCallChangeServiceConfig(
                                    serviceItem->Name->Buffer,
                                    newServiceType,
                                    newServiceStartType,
                                    newServiceErrorControl,
                                    newServiceBinaryPath->Buffer,
                                    newServiceGroup->Buffer,
                                    NULL,
                                    NULL,
                                    PhGetString(newServiceUserAccount),
                                    PhGetString(newServicePassword),
                                    NULL
                                    )))
                                {
                                    if (WindowsVersion >= WINDOWS_VISTA)
                                    {
                                        BOOLEAN newDelayedStart;

                                        newDelayedStart = Button_GetCheck(GetDlgItem(hwndDlg, IDC_DELAYEDSTART)) == BST_CHECKED;

                                        if (newDelayedStart != context->OldDelayedStart)
                                        {
                                            SERVICE_DELAYED_AUTO_START_INFO info;

                                            info.fDelayedAutostart = newDelayedStart;
                                            PhSvcCallChangeServiceConfig2(
                                                serviceItem->Name->Buffer,
                                                SERVICE_CONFIG_DELAYED_AUTO_START_INFO,
                                                &info
                                                );
                                        }
                                    }

                                    PhMarkNeedsConfigUpdateServiceItem(serviceItem);
                                }

                                PhUiDisconnectFromPhSvc();

                                if (!NT_SUCCESS(status))
                                {
                                    SetLastError(PhNtStatusToDosError(status));
                                    goto ErrorCase;
                                }
                            }
                            else
                            {
                                // User cancelled elevation.
                                SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID);
                            }
                        }
                        else
                        {
                            goto ErrorCase;
                        }
                    }

                    goto Cleanup;
ErrorCase:
                    if (PhShowMessage(
                        hwndDlg,
                        MB_ICONERROR | MB_RETRYCANCEL,
                        L"Unable to change service configuration: %s",
                        PH_AUTO_T(PH_STRING, PhGetWin32Message(GetLastError()))->Buffer
                        ) == IDRETRY)
                    {
                        SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID);
                    }

Cleanup:
                    if (newServicePassword)
                    {
                        RtlSecureZeroMemory(newServicePassword->Buffer, newServicePassword->Length);
                        PhDereferenceObject(newServicePassword);
                    }
                }
                return TRUE;
            }
        }
        break;
    }

    return FALSE;
}
Esempio n. 14
0
INT_PTR CALLBACK EspServiceRecoveryDlgProc(
    _In_ HWND hwndDlg,
    _In_ UINT uMsg,
    _In_ WPARAM wParam,
    _In_ LPARAM lParam
    )
{
    PSERVICE_RECOVERY_CONTEXT context;

    if (uMsg == WM_INITDIALOG)
    {
        context = PhAllocate(sizeof(SERVICE_RECOVERY_CONTEXT));
        memset(context, 0, sizeof(SERVICE_RECOVERY_CONTEXT));

        SetProp(hwndDlg, L"Context", (HANDLE)context);
    }
    else
    {
        context = (PSERVICE_RECOVERY_CONTEXT)GetProp(hwndDlg, L"Context");

        if (uMsg == WM_DESTROY)
            RemoveProp(hwndDlg, L"Context");
    }

    if (!context)
        return FALSE;

    switch (uMsg)
    {
    case WM_INITDIALOG:
        {
            NTSTATUS status;
            LPPROPSHEETPAGE propSheetPage = (LPPROPSHEETPAGE)lParam;
            PPH_SERVICE_ITEM serviceItem = (PPH_SERVICE_ITEM)propSheetPage->lParam;

            context->ServiceItem = serviceItem;

            EspAddServiceActionStrings(GetDlgItem(hwndDlg, IDC_FIRSTFAILURE));
            EspAddServiceActionStrings(GetDlgItem(hwndDlg, IDC_SECONDFAILURE));
            EspAddServiceActionStrings(GetDlgItem(hwndDlg, IDC_SUBSEQUENTFAILURES));

            status = EspLoadRecoveryInfo(hwndDlg, context);

            if (status == STATUS_SOME_NOT_MAPPED)
            {
                if (context->NumberOfActions > 3)
                {
                    PhShowWarning(
                        hwndDlg,
                        L"The service has %lu failure actions configured, but this program only supports editing 3. "
                        L"If you save the recovery information using this program, the additional failure actions will be lost.",
                        context->NumberOfActions
                        );
                }
            }
            else if (!NT_SUCCESS(status))
            {
                SetDlgItemText(hwndDlg, IDC_RESETFAILCOUNT, L"0");

                if (WindowsVersion >= WINDOWS_VISTA)
                {
                    context->EnableFlagCheckBox = TRUE;
                    EnableWindow(GetDlgItem(hwndDlg, IDC_ENABLEFORERRORSTOPS), TRUE);
                }

                PhShowWarning(hwndDlg, L"Unable to query service recovery information: %s",
                    ((PPH_STRING)PH_AUTO(PhGetNtMessage(status)))->Buffer);
            }

            EspFixControls(hwndDlg, context);

            context->Ready = TRUE;
        }
        break;
    case WM_DESTROY:
        {
            PhClearReference(&context->RebootMessage);
            PhFree(context);
        }
        break;
    case WM_COMMAND:
        {
            switch (LOWORD(wParam))
            {
            case IDC_FIRSTFAILURE:
            case IDC_SECONDFAILURE:
            case IDC_SUBSEQUENTFAILURES:
                {
                    if (HIWORD(wParam) == CBN_SELCHANGE)
                    {
                        EspFixControls(hwndDlg, context);
                    }
                }
                break;
            case IDC_RESTARTCOMPUTEROPTIONS:
                {
                    DialogBoxParam(
                        PluginInstance->DllBase,
                        MAKEINTRESOURCE(IDD_RESTARTCOMP),
                        hwndDlg,
                        RestartComputerDlgProc,
                        (LPARAM)context
                        );
                }
                break;
            case IDC_BROWSE:
                {
                    static PH_FILETYPE_FILTER filters[] =
                    {
                        { L"Executable files (*.exe;*.cmd;*.bat)", L"*.exe;*.cmd;*.bat" },
                        { L"All files (*.*)", L"*.*" }
                    };
                    PVOID fileDialog;
                    PPH_STRING fileName;

                    fileDialog = PhCreateOpenFileDialog();
                    PhSetFileDialogFilter(fileDialog, filters, sizeof(filters) / sizeof(PH_FILETYPE_FILTER));

                    fileName = PhaGetDlgItemText(hwndDlg, IDC_RUNPROGRAM);
                    PhSetFileDialogFileName(fileDialog, fileName->Buffer);

                    if (PhShowFileDialog(hwndDlg, fileDialog))
                    {
                        fileName = PH_AUTO(PhGetFileDialogFileName(fileDialog));
                        SetDlgItemText(hwndDlg, IDC_RUNPROGRAM, fileName->Buffer);
                    }

                    PhFreeFileDialog(fileDialog);
                }
                break;
            case IDC_ENABLEFORERRORSTOPS:
                {
                    context->Dirty = TRUE;
                }
                break;
            }

            switch (HIWORD(wParam))
            {
            case EN_CHANGE:
            case CBN_SELCHANGE:
                {
                    if (context->Ready)
                        context->Dirty = TRUE;
                }
                break;
            }
        }
        break;
    case WM_NOTIFY:
        {
            LPNMHDR header = (LPNMHDR)lParam;

            switch (header->code)
            {
            case PSN_KILLACTIVE:
                {
                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, FALSE);
                }
                return TRUE;
            case PSN_APPLY:
                {
                    NTSTATUS status;
                    PPH_SERVICE_ITEM serviceItem = context->ServiceItem;
                    SC_HANDLE serviceHandle;
                    ULONG restartServiceAfter;
                    SERVICE_FAILURE_ACTIONS failureActions;
                    SC_ACTION actions[3];
                    ULONG i;
                    BOOLEAN enableRestart = FALSE;

                    SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_NOERROR);

                    if (!context->Dirty)
                    {
                        return TRUE;
                    }

                    // Build the failure actions structure.

                    failureActions.dwResetPeriod = GetDlgItemInt(hwndDlg, IDC_RESETFAILCOUNT, NULL, FALSE) * 60 * 60 * 24;
                    failureActions.lpRebootMsg = PhGetStringOrEmpty(context->RebootMessage);
                    failureActions.lpCommand = PhaGetDlgItemText(hwndDlg, IDC_RUNPROGRAM)->Buffer;
                    failureActions.cActions = 3;
                    failureActions.lpsaActions = actions;

                    actions[0].Type = ComboBoxToServiceAction(GetDlgItem(hwndDlg, IDC_FIRSTFAILURE));
                    actions[1].Type = ComboBoxToServiceAction(GetDlgItem(hwndDlg, IDC_SECONDFAILURE));
                    actions[2].Type = ComboBoxToServiceAction(GetDlgItem(hwndDlg, IDC_SUBSEQUENTFAILURES));

                    restartServiceAfter = GetDlgItemInt(hwndDlg, IDC_RESTARTSERVICEAFTER, NULL, FALSE) * 1000 * 60;

                    for (i = 0; i < 3; i++)
                    {
                        switch (actions[i].Type)
                        {
                        case SC_ACTION_RESTART:
                            actions[i].Delay = restartServiceAfter;
                            enableRestart = TRUE;
                            break;
                        case SC_ACTION_REBOOT:
                            actions[i].Delay = context->RebootAfter;
                            break;
                        case SC_ACTION_RUN_COMMAND:
                            actions[i].Delay = 0;
                            break;
                        }
                    }

                    // Try to save the changes.

                    serviceHandle = PhOpenService(
                        serviceItem->Name->Buffer,
                        SERVICE_CHANGE_CONFIG | (enableRestart ? SERVICE_START : 0) // SC_ACTION_RESTART requires SERVICE_START
                        );

                    if (serviceHandle)
                    {
                        if (ChangeServiceConfig2(
                            serviceHandle,
                            SERVICE_CONFIG_FAILURE_ACTIONS,
                            &failureActions
                            ))
                        {
                            if (context->EnableFlagCheckBox)
                            {
                                SERVICE_FAILURE_ACTIONS_FLAG failureActionsFlag;

                                failureActionsFlag.fFailureActionsOnNonCrashFailures =
                                    Button_GetCheck(GetDlgItem(hwndDlg, IDC_ENABLEFORERRORSTOPS)) == BST_CHECKED;

                                ChangeServiceConfig2(
                                    serviceHandle,
                                    SERVICE_CONFIG_FAILURE_ACTIONS_FLAG,
                                    &failureActionsFlag
                                    );
                            }

                            CloseServiceHandle(serviceHandle);
                        }
                        else
                        {
                            CloseServiceHandle(serviceHandle);
                            goto ErrorCase;
                        }
                    }
                    else
                    {
                        if (GetLastError() == ERROR_ACCESS_DENIED && !PhGetOwnTokenAttributes().Elevated)
                        {
                            // Elevate using phsvc.
                            if (PhUiConnectToPhSvc(hwndDlg, FALSE))
                            {
                                if (NT_SUCCESS(status = PhSvcCallChangeServiceConfig2(
                                    serviceItem->Name->Buffer,
                                    SERVICE_CONFIG_FAILURE_ACTIONS,
                                    &failureActions
                                    )))
                                {
                                    if (context->EnableFlagCheckBox)
                                    {
                                        SERVICE_FAILURE_ACTIONS_FLAG failureActionsFlag;

                                        failureActionsFlag.fFailureActionsOnNonCrashFailures =
                                            Button_GetCheck(GetDlgItem(hwndDlg, IDC_ENABLEFORERRORSTOPS)) == BST_CHECKED;

                                        PhSvcCallChangeServiceConfig2(
                                            serviceItem->Name->Buffer,
                                            SERVICE_CONFIG_FAILURE_ACTIONS_FLAG,
                                            &failureActionsFlag
                                            );
                                    }
                                }

                                PhUiDisconnectFromPhSvc();

                                if (!NT_SUCCESS(status))
                                {
                                    SetLastError(PhNtStatusToDosError(status));
                                    goto ErrorCase;
                                }
                            }
                            else
                            {
                                // User cancelled elevation.
                                SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID);
                            }
                        }
                        else
                        {
                            goto ErrorCase;
                        }
                    }

                    return TRUE;
ErrorCase:
                    if (PhShowMessage(
                        hwndDlg,
                        MB_ICONERROR | MB_RETRYCANCEL,
                        L"Unable to change service recovery information: %s",
                        ((PPH_STRING)PH_AUTO(PhGetWin32Message(GetLastError())))->Buffer
                        ) == IDRETRY)
                    {
                        SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID);
                    }
                }
                return TRUE;
            }
        }
        break;
    }

    return FALSE;
}