1 files changed, 137 insertions, 0 deletions
diff --git a/api/adapter.h b/api/adapter.h
new file mode 100644
index 0000000..cfa22fd
--- /dev/null
+++ b/api/adapter.h
@@ -0,0 +1,137 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved.
+ */
+
+#pragma once
+
+#include "wintun.h"
+#include <IPExport.h>
+#include <SetupAPI.h>
+#include <cfgmgr32.h>
+#include <Windows.h>
+
+#define WINTUN_HWID L"Wintun"
+#define WINTUN_ENUMERATOR (IsWindows7 ? L"ROOT\\" WINTUN_HWID : L"SWD\\" WINTUN_HWID)
+
+extern const DEVPROPKEY DEVPKEY_Wintun_Name;
+
+typedef struct HSWDEVICE__ *HSWDEVICE;
+
+/**
+ * Wintun adapter descriptor.
+ */
+typedef struct _WINTUN_ADAPTER
+{
+    HSWDEVICE SwDevice;
+    HDEVINFO DevInfo;
+    SP_DEVINFO_DATA DevInfoData;
+    WCHAR *InterfaceFilename;
+    GUID CfgInstanceID;
+    WCHAR DevInstanceID[MAX_DEVICE_ID_LEN];
+    DWORD LuidIndex;
+    DWORD IfType;
+    DWORD IfIndex;
+} WINTUN_ADAPTER;
+/**
+ * @copydoc WINTUN_CREATE_ADAPTER_FUNC
+ */
+WINTUN_CREATE_ADAPTER_FUNC WintunCreateAdapter;
+
+/**
+ * @copydoc WINTUN_OPEN_ADAPTER_FUNC
+ */
+WINTUN_OPEN_ADAPTER_FUNC WintunOpenAdapter;
+
+/**
+ * @copydoc WINTUN_CLOSE_ADAPTER_FUNC
+ */
+WINTUN_CLOSE_ADAPTER_FUNC WintunCloseAdapter;
+
+/**
+ * @copydoc WINTUN_GET_ADAPTER_LUID_FUNC
+ */
+WINTUN_GET_ADAPTER_LUID_FUNC WintunGetAdapterLUID;
+
+/**
+ * Returns a handle to the adapter device object.
+ *
+ * @param Adapter       Adapter handle obtained with WintunOpenAdapter or WintunCreateAdapter.
+ *
+ * @return If the function succeeds, the return value is adapter device object handle.
+ *         If the function fails, the return value is INVALID_HANDLE_VALUE. To get extended error
+ *         information, call GetLastError.
+ */
+_Return_type_success_(return != INVALID_HANDLE_VALUE)
+HANDLE WINAPI
+AdapterOpenDeviceObject(_In_ const WINTUN_ADAPTER *Adapter);
+
+/**
+ * Returns the device object file name for an adapter instance ID.
+ *
+ * @param InstanceID       The device instance ID of the adapter.
+ *
+ * @return If the function succeeds, the return value is the filename of the device object, which
+ *         must be freed with Free(). If the function fails, the return value is INVALID_HANDLE_VALUE.
+ *         To get extended error information, call GetLastError.
+ */
+_Must_inspect_result_
+_Return_type_success_(return != NULL)
+_Post_maybenull_
+LPWSTR
+AdapterGetDeviceObjectFileName(_In_z_ LPCWSTR InstanceId);
+
+/**
+ * Cleans up adapters with no attached process.
+ */
+VOID AdapterCleanupOrphanedDevices(VOID);
+
+/**
+ * Cleans up adapters that use the old enumerator.
+ */
+VOID AdapterCleanupLegacyDevices(VOID);
+
+/**
+ * Removes the specified device instance.
+ *
+ * @param DevInfo      Device info handle from SetupAPI.
+ * @param DevInfoData  Device info data specifying which device.
+ *
+ * @return If the function succeeds, the return value is TRUE. If the
+ *         function fails, the return value is FALSE. To get extended
+ *         error information, call GetLastError.
+ */
+
+_Return_type_success_(return != FALSE)
+BOOL
+AdapterRemoveInstance(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);
+
+/**
+ * Enables the specified device instance.
+ *
+ * @param DevInfo      Device info handle from SetupAPI.
+ * @param DevInfoData  Device info data specifying which device.
+ *
+ * @return If the function succeeds, the return value is TRUE. If the
+ *         function fails, the return value is FALSE. To get extended
+ *         error information, call GetLastError.
+ */
+
+_Return_type_success_(return != FALSE)
+BOOL
+AdapterEnableInstance(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);
+
+/**
+ * Disables the specified device instance.
+ *
+ * @param DevInfo      Device info handle from SetupAPI.
+ * @param DevInfoData  Device info data specifying which device.
+ *
+ * @return If the function succeeds, the return value is TRUE. If the
+ *         function fails, the return value is FALSE. To get extended
+ *         error information, call GetLastError.
+ */
+
+_Return_type_success_(return != FALSE)
+BOOL
+AdapterDisableInstance(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData);