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As the IDD itself runs in a WUMDF sandbox, it doesn't have enough access to perform interactive operations such as moving the cursor. This helper service communicates with the IDD over a named pipe, so that we can perform these things, as well as in the future provide a configuration GUI.
101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2025 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "driver.h"
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#include "driver.tmh"
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#include "CDebug.h"
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#include "CPlatformInfo.h"
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#include "VersionInfo.h"
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#include "CPipeServer.h"
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NTSTATUS DriverEntry(_In_ PDRIVER_OBJECT DriverObject, _In_ PUNICODE_STRING RegistryPath)
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{
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g_debug.Init("looking-glass-idd");
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DEBUG_INFO("Looking Glass IDD Driver (" LG_VERSION_STR ")");
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NTSTATUS status = STATUS_SUCCESS;
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#if UMDF_VERSION_MAJOR == 2 && UMDF_VERSION_MINOR == 0
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WPP_INIT_TRACING(MYDRIVER_TRACING_ID);
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#else
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WPP_INIT_TRACING(DriverObject, RegistryPath);
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#endif
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if (!g_pipe.Init())
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{
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status = STATUS_UNSUCCESSFUL;
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DEBUG_ERROR("Failed to setup IPC pipe");
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goto fail;
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}
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WDF_DRIVER_CONFIG config;
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WDF_OBJECT_ATTRIBUTES attributes;
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TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Entry");
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WDF_OBJECT_ATTRIBUTES_INIT(&attributes);
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attributes.EvtCleanupCallback = LGIddEvtDriverContextCleanup;
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WDF_DRIVER_CONFIG_INIT(&config, LGIddEvtDeviceAdd);
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CPlatformInfo::Init();
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status = WdfDriverCreate(DriverObject, RegistryPath, &attributes, &config, WDF_NO_HANDLE);
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if (!NT_SUCCESS(status))
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{
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TraceEvents(TRACE_LEVEL_ERROR, TRACE_DRIVER, "WdfDriverCreate failed %!STATUS!", status);
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goto fail;
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}
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TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Exit");
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return status;
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fail:
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#if UMDF_VERSION_MAJOR == 2 && UMDF_VERSION_MINOR == 0
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WPP_CLEANUP();
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#else
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WPP_CLEANUP(DriverObject);
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#endif
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return status;
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}
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NTSTATUS LGIddEvtDeviceAdd(_In_ WDFDRIVER Driver, _Inout_ PWDFDEVICE_INIT DeviceInit)
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{
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NTSTATUS status;
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UNREFERENCED_PARAMETER(Driver);
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TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Entry");
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status = LGIddCreateDevice(DeviceInit);
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TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Exit");
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return status;
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}
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VOID LGIddEvtDriverContextCleanup(_In_ WDFOBJECT DriverObject)
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{
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UNREFERENCED_PARAMETER(DriverObject);
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TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DRIVER, "%!FUNC! Entry");
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g_pipe.DeInit();
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#if UMDF_VERSION_MAJOR == 2 && UMDF_VERSION_MINOR == 0
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WPP_CLEANUP();
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#else
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WPP_CLEANUP(WdfDriverWdmGetDriverObject((WDFDRIVER)DriverObject));
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#endif
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} |