f389fd5629
Reported-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Simon Rozman <simon@rozman.si>
1676 lines
60 KiB
C
1676 lines
60 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2018-2020 WireGuard LLC. All Rights Reserved.
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*/
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#include "pch.h"
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#pragma warning(disable : 4221) /* nonstandard: address of automatic in initializer */
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#define WAIT_FOR_REGISTRY_TIMEOUT 10000 /* ms */
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#define MAX_POOL_DEVICE_TYPE (MAX_POOL + 8) /* Should accommodate a pool name with " Tunnel" appended */
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#if defined(_M_IX86)
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# define IMAGE_FILE_PROCESS IMAGE_FILE_MACHINE_I386
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#elif defined(_M_AMD64)
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# define IMAGE_FILE_PROCESS IMAGE_FILE_MACHINE_AMD64
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#elif defined(_M_ARM)
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# define IMAGE_FILE_PROCESS IMAGE_FILE_MACHINE_ARMNT
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#elif defined(_M_ARM64)
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# define IMAGE_FILE_PROCESS IMAGE_FILE_MACHINE_ARM64
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#else
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# error Unsupported architecture
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#endif
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static USHORT NativeMachine = IMAGE_FILE_PROCESS;
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WINTUN_STATUS
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AdapterGetDrvInfoDetail(
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_In_ HDEVINFO DevInfo,
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_In_opt_ SP_DEVINFO_DATA *DevInfoData,
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_In_ SP_DRVINFO_DATA_W *DrvInfoData,
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_Out_ SP_DRVINFO_DETAIL_DATA_W **DrvInfoDetailData)
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{
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DWORD Size = sizeof(SP_DRVINFO_DETAIL_DATA_W) + 0x100;
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for (;;)
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{
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*DrvInfoDetailData = HeapAlloc(ModuleHeap, 0, Size);
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if (!*DrvInfoDetailData)
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return LOG(WINTUN_LOG_ERR, L"Out of memory"), ERROR_OUTOFMEMORY;
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(*DrvInfoDetailData)->cbSize = sizeof(SP_DRVINFO_DETAIL_DATA_W);
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if (SetupDiGetDriverInfoDetailW(DevInfo, DevInfoData, DrvInfoData, *DrvInfoDetailData, Size, &Size))
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return ERROR_SUCCESS;
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DWORD Result = GetLastError();
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HeapFree(ModuleHeap, 0, *DrvInfoDetailData);
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if (Result != ERROR_INSUFFICIENT_BUFFER)
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return LOG_ERROR(L"Failed", Result);
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}
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}
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static WINTUN_STATUS
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GetDeviceRegistryProperty(
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_In_ HDEVINFO DevInfo,
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_In_ SP_DEVINFO_DATA *DevInfoData,
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_In_ DWORD Property,
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_Out_opt_ DWORD *ValueType,
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_Out_ void **Buf,
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_Inout_ DWORD *BufLen)
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{
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for (;;)
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{
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*Buf = HeapAlloc(ModuleHeap, 0, *BufLen);
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if (!*Buf)
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return LOG(WINTUN_LOG_ERR, L"Out of memory"), ERROR_OUTOFMEMORY;
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if (SetupDiGetDeviceRegistryPropertyW(DevInfo, DevInfoData, Property, ValueType, *Buf, *BufLen, BufLen))
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return ERROR_SUCCESS;
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DWORD Result = GetLastError();
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HeapFree(ModuleHeap, 0, *Buf);
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if (Result != ERROR_INSUFFICIENT_BUFFER)
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return LOG_ERROR(L"Querying property failed", Result);
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}
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}
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static WINTUN_STATUS
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GetDeviceRegistryString(
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_In_ HDEVINFO DevInfo,
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_In_ SP_DEVINFO_DATA *DevInfoData,
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_In_ DWORD Property,
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_Out_ WCHAR **Buf)
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{
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DWORD Result, ValueType, Size = 256 * sizeof(WCHAR);
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Result = GetDeviceRegistryProperty(DevInfo, DevInfoData, Property, &ValueType, Buf, &Size);
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if (Result != ERROR_SUCCESS)
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return Result;
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switch (ValueType)
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{
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case REG_SZ:
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case REG_EXPAND_SZ:
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case REG_MULTI_SZ:
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Result = RegistryGetString(Buf, Size / sizeof(WCHAR), ValueType);
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if (Result != ERROR_SUCCESS)
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HeapFree(ModuleHeap, 0, *Buf);
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return Result;
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default:
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LOG(WINTUN_LOG_ERR, L"Property is not a string");
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HeapFree(ModuleHeap, 0, *Buf);
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return ERROR_INVALID_DATATYPE;
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}
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}
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static WINTUN_STATUS
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GetDeviceRegistryMultiString(
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_In_ HDEVINFO DevInfo,
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_In_ SP_DEVINFO_DATA *DevInfoData,
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_In_ DWORD Property,
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_Out_ WCHAR **Buf)
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{
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DWORD Result, ValueType, Size = 256 * sizeof(WCHAR);
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Result = GetDeviceRegistryProperty(DevInfo, DevInfoData, Property, &ValueType, Buf, &Size);
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if (Result != ERROR_SUCCESS)
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return Result;
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switch (ValueType)
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{
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case REG_SZ:
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case REG_EXPAND_SZ:
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case REG_MULTI_SZ:
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Result = RegistryGetMultiString(Buf, Size / sizeof(WCHAR), ValueType);
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if (Result != ERROR_SUCCESS)
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HeapFree(ModuleHeap, 0, *Buf);
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return Result;
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default:
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LOG(WINTUN_LOG_ERR, L"Property is not a string");
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HeapFree(ModuleHeap, 0, *Buf);
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return ERROR_INVALID_DATATYPE;
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}
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}
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static WINTUN_STATUS
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IsOurAdapter(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData, _Out_ BOOL *IsOurs)
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{
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WCHAR *Hwids;
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DWORD Result = GetDeviceRegistryMultiString(DevInfo, DevInfoData, SPDRP_HARDWAREID, &Hwids);
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if (Result != ERROR_SUCCESS)
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return LOG(WINTUN_LOG_ERR, L"Failed to query hardware ID"), Result;
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*IsOurs = DriverIsOurHardwareID(Hwids);
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return ERROR_SUCCESS;
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}
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static WINTUN_STATUS
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GetDeviceObject(_In_opt_z_ const WCHAR *InstanceId, _Out_ HANDLE *Handle)
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{
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ULONG InterfacesLen;
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DWORD Result = CM_Get_Device_Interface_List_SizeW(
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&InterfacesLen, (GUID *)&GUID_DEVINTERFACE_NET, (DEVINSTID_W)InstanceId, CM_GET_DEVICE_INTERFACE_LIST_PRESENT);
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if (Result != CR_SUCCESS)
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{
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LOG(WINTUN_LOG_ERR, L"Failed to get device associated device instances size");
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return ERROR_GEN_FAILURE;
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}
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WCHAR *Interfaces = HeapAlloc(ModuleHeap, 0, InterfacesLen * sizeof(WCHAR));
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if (!Interfaces)
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return LOG(WINTUN_LOG_ERR, L"Out of memory"), ERROR_OUTOFMEMORY;
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Result = CM_Get_Device_Interface_ListW(
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(GUID *)&GUID_DEVINTERFACE_NET,
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(DEVINSTID_W)InstanceId,
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Interfaces,
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InterfacesLen,
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CM_GET_DEVICE_INTERFACE_LIST_PRESENT);
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if (Result != CR_SUCCESS)
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{
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LOG(WINTUN_LOG_ERR, L"Failed to get device associated device instances");
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Result = ERROR_GEN_FAILURE;
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goto cleanupBuf;
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}
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*Handle = CreateFileW(
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Interfaces,
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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NULL,
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OPEN_EXISTING,
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0,
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NULL);
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Result = *Handle != INVALID_HANDLE_VALUE ? ERROR_SUCCESS : LOG_LAST_ERROR(L"Failed to connect to device");
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cleanupBuf:
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HeapFree(ModuleHeap, 0, Interfaces);
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return Result;
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}
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#define TUN_IOCTL_FORCE_CLOSE_HANDLES CTL_CODE(51820U, 0x971U, METHOD_NEITHER, FILE_READ_DATA | FILE_WRITE_DATA)
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static WINTUN_STATUS
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ForceCloseWintunAdapterHandle(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
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{
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DWORD Result = ERROR_SUCCESS;
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DWORD RequiredBytes;
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if (SetupDiGetDeviceInstanceIdW(DevInfo, DevInfoData, NULL, 0, &RequiredBytes) ||
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(Result = GetLastError()) != ERROR_INSUFFICIENT_BUFFER)
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return LOG_ERROR(L"Failed to query device instance ID size", Result);
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WCHAR *InstanceId = HeapAlloc(ModuleHeap, HEAP_ZERO_MEMORY, sizeof(*InstanceId) * RequiredBytes);
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if (!InstanceId)
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return LOG(WINTUN_LOG_ERR, L"Out of memory"), ERROR_OUTOFMEMORY;
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if (!SetupDiGetDeviceInstanceIdW(DevInfo, DevInfoData, InstanceId, RequiredBytes, &RequiredBytes))
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{
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Result = LOG_LAST_ERROR(L"Failed to get device instance ID");
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goto out;
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}
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HANDLE NdisHandle;
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Result = GetDeviceObject(InstanceId, &NdisHandle);
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if (Result != ERROR_SUCCESS)
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{
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LOG(WINTUN_LOG_ERR, L"Failed to get adapter device object");
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goto out;
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}
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Result = DeviceIoControl(NdisHandle, TUN_IOCTL_FORCE_CLOSE_HANDLES, NULL, 0, NULL, 0, &RequiredBytes, NULL)
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? ERROR_SUCCESS
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: LOG_LAST_ERROR(L"Failed to perform ioctl");
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CloseHandle(NdisHandle);
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out:
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HeapFree(ModuleHeap, 0, InstanceId);
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return Result;
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}
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WINTUN_STATUS
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AdapterDisableAllOurs(_In_ HDEVINFO DevInfo, _Inout_ SP_DEVINFO_DATA_LIST **DisabledAdapters)
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{
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SP_PROPCHANGE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
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.InstallFunction = DIF_PROPERTYCHANGE },
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.StateChange = DICS_DISABLE,
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.Scope = DICS_FLAG_GLOBAL };
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DWORD Result = ERROR_SUCCESS;
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for (DWORD EnumIndex = 0;; ++EnumIndex)
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{
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SP_DEVINFO_DATA_LIST *DeviceNode = HeapAlloc(ModuleHeap, 0, sizeof(SP_DEVINFO_DATA_LIST));
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if (!DeviceNode)
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return LOG(WINTUN_LOG_ERR, L"Out of memory"), ERROR_OUTOFMEMORY;
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DeviceNode->Data.cbSize = sizeof(SP_DEVINFO_DATA);
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if (!SetupDiEnumDeviceInfo(DevInfo, EnumIndex, &DeviceNode->Data))
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{
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if (GetLastError() == ERROR_NO_MORE_ITEMS)
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{
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HeapFree(ModuleHeap, 0, DeviceNode);
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break;
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}
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goto cleanupDeviceInfoData;
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}
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BOOL IsOurs;
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if (IsOurAdapter(DevInfo, &DeviceNode->Data, &IsOurs) != ERROR_SUCCESS || !IsOurs)
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goto cleanupDeviceInfoData;
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ULONG Status, ProblemCode;
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if (CM_Get_DevNode_Status(&Status, &ProblemCode, DeviceNode->Data.DevInst, 0) != CR_SUCCESS ||
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((Status & DN_HAS_PROBLEM) && ProblemCode == CM_PROB_DISABLED))
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goto cleanupDeviceInfoData;
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LOG(WINTUN_LOG_INFO, L"Force closing all open handles for existing adapter");
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if (ForceCloseWintunAdapterHandle(DevInfo, &DeviceNode->Data) != ERROR_SUCCESS)
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LOG(WINTUN_LOG_WARN, L"Failed to force close adapter handles");
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Sleep(200);
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LOG(WINTUN_LOG_INFO, L"Disabling existing adapter");
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if (!SetupDiSetClassInstallParamsW(DevInfo, &DeviceNode->Data, &Params.ClassInstallHeader, sizeof(Params)) ||
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!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, DevInfo, &DeviceNode->Data))
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{
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LOG_LAST_ERROR(L"Unable to disable existing adapter");
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Result = Result != ERROR_SUCCESS ? Result : GetLastError();
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goto cleanupDeviceInfoData;
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}
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DeviceNode->Next = *DisabledAdapters;
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*DisabledAdapters = DeviceNode;
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continue;
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cleanupDeviceInfoData:
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HeapFree(ModuleHeap, 0, &DeviceNode->Data);
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}
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return Result;
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}
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WINTUN_STATUS
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AdapterEnableAll(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA_LIST *AdaptersToEnable)
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{
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SP_PROPCHANGE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
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.InstallFunction = DIF_PROPERTYCHANGE },
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.StateChange = DICS_ENABLE,
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.Scope = DICS_FLAG_GLOBAL };
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DWORD Result = ERROR_SUCCESS;
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for (SP_DEVINFO_DATA_LIST *DeviceNode = AdaptersToEnable; DeviceNode; DeviceNode = DeviceNode->Next)
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{
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LOG(WINTUN_LOG_INFO, L"Enabling existing adapter");
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if (!SetupDiSetClassInstallParamsW(DevInfo, &DeviceNode->Data, &Params.ClassInstallHeader, sizeof(Params)) ||
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!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, DevInfo, &DeviceNode->Data))
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{
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LOG_LAST_ERROR(L"Unable to enable existing adapter");
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Result = Result != ERROR_SUCCESS ? Result : GetLastError();
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}
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}
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return Result;
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}
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WINTUN_STATUS
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AdapterDeleteAllOurs(void)
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{
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DWORD Result = ERROR_SUCCESS;
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HDEVINFO DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
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if (DevInfo == INVALID_HANDLE_VALUE)
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return LOG_LAST_ERROR(L"Failed to get present class devices");
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SP_REMOVEDEVICE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
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.InstallFunction = DIF_REMOVE },
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.Scope = DI_REMOVEDEVICE_GLOBAL };
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for (DWORD EnumIndex = 0;; ++EnumIndex)
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{
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SP_DEVINFO_DATA DevInfoData = { .cbSize = sizeof(SP_DEVINFO_DATA) };
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if (!SetupDiEnumDeviceInfo(DevInfo, EnumIndex, &DevInfoData))
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{
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if (GetLastError() == ERROR_NO_MORE_ITEMS)
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break;
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continue;
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}
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BOOL IsOurs;
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if (IsOurAdapter(DevInfo, &DevInfoData, &IsOurs) != ERROR_SUCCESS || !IsOurs)
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continue;
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LOG(WINTUN_LOG_INFO, L"Force closing all open handles for existing adapter");
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if (ForceCloseWintunAdapterHandle(DevInfo, &DevInfoData) != ERROR_SUCCESS)
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LOG(WINTUN_LOG_WARN, L"Failed to force close adapter handles");
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Sleep(200);
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LOG(WINTUN_LOG_INFO, L"Removing existing adapter");
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if (!SetupDiSetClassInstallParamsW(DevInfo, &DevInfoData, &Params.ClassInstallHeader, sizeof(Params)) ||
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!SetupDiCallClassInstaller(DIF_REMOVE, DevInfo, &DevInfoData))
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{
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LOG_LAST_ERROR(L"Unable to remove existing adapter");
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Result = Result != ERROR_SUCCESS ? Result : GetLastError();
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}
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}
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SetupDiDestroyDeviceInfoList(DevInfo);
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return Result;
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}
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void
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AdapterInit(void)
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{
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#if defined(_M_IX86) || defined(_M_ARM)
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typedef BOOL(WINAPI * IsWow64Process2_t)(
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_In_ HANDLE hProcess, _Out_ USHORT * pProcessMachine, _Out_opt_ USHORT * pNativeMachine);
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HANDLE Kernel32;
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IsWow64Process2_t IsWow64Process2;
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USHORT ProcessMachine;
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if ((Kernel32 = GetModuleHandleW(L"kernel32.dll")) == NULL ||
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(IsWow64Process2 = (IsWow64Process2_t)GetProcAddress(Kernel32, "IsWow64Process2")) == NULL ||
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!IsWow64Process2(GetCurrentProcess(), &ProcessMachine, &NativeMachine))
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{
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BOOL IsWoW64;
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NativeMachine =
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IsWow64Process(GetCurrentProcess(), &IsWoW64) && IsWoW64 ? IMAGE_FILE_MACHINE_AMD64 : IMAGE_FILE_PROCESS;
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}
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#endif
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}
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static BOOL
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CheckReboot(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
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{
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SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(SP_DEVINSTALL_PARAMS_W) };
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if (!SetupDiGetDeviceInstallParamsW(DevInfo, DevInfoData, &DevInstallParams))
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{
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LOG_LAST_ERROR(L"Retrieving device installation parameters failed");
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return FALSE;
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}
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return (DevInstallParams.Flags & (DI_NEEDREBOOT | DI_NEEDRESTART)) != 0;
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}
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static WINTUN_STATUS
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SetQuietInstall(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
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{
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SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(SP_DEVINSTALL_PARAMS_W) };
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if (!SetupDiGetDeviceInstallParamsW(DevInfo, DevInfoData, &DevInstallParams))
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return LOG_LAST_ERROR(L"Retrieving device installation parameters failed");
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DevInstallParams.Flags |= DI_QUIETINSTALL;
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if (!SetupDiSetDeviceInstallParamsW(DevInfo, DevInfoData, &DevInstallParams))
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return LOG_LAST_ERROR(L"Setting device installation parameters failed");
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return ERROR_SUCCESS;
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}
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|
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static WINTUN_STATUS
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GetNetCfgInstanceId(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData, _Out_ GUID *CfgInstanceID)
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{
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HKEY Key = SetupDiOpenDevRegKey(DevInfo, DevInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DRV, KEY_QUERY_VALUE);
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if (Key == INVALID_HANDLE_VALUE)
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return LOG_LAST_ERROR(L"Opening device registry key failed");
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WCHAR *ValueStr;
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DWORD Result = RegistryQueryString(Key, L"NetCfgInstanceId", &ValueStr, TRUE);
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if (Result != ERROR_SUCCESS)
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{
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LOG(WINTUN_LOG_ERR, L"Failed to query NetCfgInstanceId value");
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goto cleanupKey;
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}
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if (FAILED(CLSIDFromString(ValueStr, CfgInstanceID)))
|
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{
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LOG(WINTUN_LOG_ERR, L"NetCfgInstanceId is not a GUID");
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Result = ERROR_INVALID_DATA;
|
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}
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else
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Result = ERROR_SUCCESS;
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HeapFree(ModuleHeap, 0, ValueStr);
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cleanupKey:
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RegCloseKey(Key);
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return Result;
|
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}
|
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|
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static WINTUN_STATUS
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GetDevInfoData(_In_ const GUID *CfgInstanceID, _Out_ HDEVINFO *DevInfo, _Out_ SP_DEVINFO_DATA *DevInfoData)
|
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{
|
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*DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
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if (!*DevInfo)
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return LOG_LAST_ERROR(L"Failed to get present class devices");
|
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for (DWORD EnumIndex = 0;; ++EnumIndex)
|
|
{
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DevInfoData->cbSize = sizeof(SP_DEVINFO_DATA);
|
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if (!SetupDiEnumDeviceInfo(*DevInfo, EnumIndex, DevInfoData))
|
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{
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if (GetLastError() == ERROR_NO_MORE_ITEMS)
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break;
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continue;
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}
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|
GUID CfgInstanceID2;
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if (GetNetCfgInstanceId(*DevInfo, DevInfoData, &CfgInstanceID2) == ERROR_SUCCESS &&
|
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!memcmp(CfgInstanceID, &CfgInstanceID2, sizeof(GUID)))
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return ERROR_SUCCESS;
|
|
}
|
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SetupDiDestroyDeviceInfoList(*DevInfo);
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return ERROR_FILE_NOT_FOUND;
|
|
}
|
|
|
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static void
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RemoveNumberedSuffix(_In_z_ const WCHAR *Name, _Out_ WCHAR *Removed)
|
|
{
|
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size_t Len = wcslen(Name);
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if (Len && (Name[Len - 1] < L'0' || Name[Len - 1] > L'9'))
|
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{
|
|
wmemcpy(Removed, Name, Len + 1);
|
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return;
|
|
}
|
|
for (size_t i = Len; i--;)
|
|
{
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|
if (Name[i] >= L'0' && Name[i] <= L'9')
|
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continue;
|
|
if (Name[i] == L' ')
|
|
{
|
|
wmemcpy(Removed, Name, i);
|
|
Removed[i] = 0;
|
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return;
|
|
}
|
|
break;
|
|
}
|
|
wmemcpy(Removed, Name, Len + 1);
|
|
}
|
|
|
|
static void
|
|
GetPoolDeviceTypeName(_In_z_count_c_(MAX_POOL) const WCHAR *Pool, _Out_cap_c_(MAX_POOL_DEVICE_TYPE) WCHAR *Name)
|
|
{
|
|
_snwprintf_s(Name, MAX_POOL_DEVICE_TYPE, _TRUNCATE, L"%.*s Tunnel", MAX_POOL, Pool);
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
IsPoolMember(
|
|
_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
|
|
_In_ HDEVINFO DevInfo,
|
|
_In_ SP_DEVINFO_DATA *DevInfoData,
|
|
_Out_ BOOL *IsMember)
|
|
{
|
|
WCHAR *DeviceDesc, *FriendlyName;
|
|
DWORD Result = GetDeviceRegistryString(DevInfo, DevInfoData, SPDRP_DEVICEDESC, &DeviceDesc);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query device description property");
|
|
return Result;
|
|
}
|
|
Result = GetDeviceRegistryString(DevInfo, DevInfoData, SPDRP_FRIENDLYNAME, &FriendlyName);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query friendly name property");
|
|
goto cleanupDeviceDesc;
|
|
}
|
|
WCHAR PoolDeviceTypeName[MAX_POOL_DEVICE_TYPE];
|
|
GetPoolDeviceTypeName(Pool, PoolDeviceTypeName);
|
|
if (!_wcsicmp(FriendlyName, PoolDeviceTypeName) || !_wcsicmp(DeviceDesc, PoolDeviceTypeName))
|
|
{
|
|
*IsMember = TRUE;
|
|
goto cleanupFriendlyName;
|
|
}
|
|
RemoveNumberedSuffix(FriendlyName, FriendlyName);
|
|
RemoveNumberedSuffix(DeviceDesc, DeviceDesc);
|
|
if (!_wcsicmp(FriendlyName, PoolDeviceTypeName) || !_wcsicmp(DeviceDesc, PoolDeviceTypeName))
|
|
{
|
|
*IsMember = TRUE;
|
|
goto cleanupFriendlyName;
|
|
}
|
|
*IsMember = FALSE;
|
|
cleanupFriendlyName:
|
|
HeapFree(ModuleHeap, 0, FriendlyName);
|
|
cleanupDeviceDesc:
|
|
HeapFree(ModuleHeap, 0, DeviceDesc);
|
|
return Result;
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
CreateAdapterData(
|
|
_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
|
|
_In_ HDEVINFO DevInfo,
|
|
_In_ SP_DEVINFO_DATA *DevInfoData,
|
|
_Out_ WINTUN_ADAPTER **Adapter)
|
|
{
|
|
DWORD Result;
|
|
|
|
/* Open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\<class>\<id> registry key. */
|
|
HKEY Key = SetupDiOpenDevRegKey(DevInfo, DevInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DRV, KEY_QUERY_VALUE);
|
|
if (Key == INVALID_HANDLE_VALUE)
|
|
return LOG_LAST_ERROR(L"Opening device registry key failed");
|
|
|
|
*Adapter = HeapAlloc(ModuleHeap, 0, sizeof(WINTUN_ADAPTER));
|
|
if (!*Adapter)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Out of memory");
|
|
Result = ERROR_OUTOFMEMORY;
|
|
goto cleanupKey;
|
|
}
|
|
|
|
/* Read the NetCfgInstanceId value and convert to GUID. */
|
|
WCHAR *ValueStr;
|
|
Result = RegistryQueryString(Key, L"NetCfgInstanceId", &ValueStr, TRUE);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query NetCfgInstanceId value");
|
|
goto cleanupAdapter;
|
|
}
|
|
if (FAILED(CLSIDFromString(ValueStr, &(*Adapter)->CfgInstanceID)))
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"NetCfgInstanceId is not a GUID");
|
|
HeapFree(ModuleHeap, 0, ValueStr);
|
|
Result = ERROR_INVALID_DATA;
|
|
goto cleanupAdapter;
|
|
}
|
|
HeapFree(ModuleHeap, 0, ValueStr);
|
|
|
|
/* Read the NetLuidIndex value. */
|
|
Result = RegistryQueryDWORD(Key, L"NetLuidIndex", &(*Adapter)->LuidIndex, TRUE);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query NetLuidIndex value");
|
|
goto cleanupAdapter;
|
|
}
|
|
|
|
/* Read the NetLuidIndex value. */
|
|
Result = RegistryQueryDWORD(Key, L"*IfType", &(*Adapter)->IfType, TRUE);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query *IfType value");
|
|
goto cleanupAdapter;
|
|
}
|
|
|
|
DWORD Size;
|
|
if (!SetupDiGetDeviceInstanceIdW(
|
|
DevInfo, DevInfoData, (*Adapter)->DevInstanceID, _countof((*Adapter)->DevInstanceID), &Size))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to get device instance ID");
|
|
goto cleanupAdapter;
|
|
}
|
|
|
|
wcsncpy_s((*Adapter)->Pool, _countof((*Adapter)->Pool), Pool, _TRUNCATE);
|
|
Result = ERROR_SUCCESS;
|
|
|
|
cleanupAdapter:
|
|
if (Result != ERROR_SUCCESS)
|
|
HeapFree(ModuleHeap, 0, *Adapter);
|
|
cleanupKey:
|
|
RegCloseKey(Key);
|
|
return Result;
|
|
}
|
|
|
|
static void
|
|
GetDeviceRegPath(_In_ const WINTUN_ADAPTER *Adapter, _Out_cap_c_(MAX_REG_PATH) WCHAR *Path)
|
|
{
|
|
_snwprintf_s(
|
|
Path,
|
|
MAX_REG_PATH,
|
|
_TRUNCATE,
|
|
L"SYSTEM\\CurrentControlSet\\Enum\\%.*s",
|
|
MAX_INSTANCE_ID,
|
|
Adapter->DevInstanceID);
|
|
}
|
|
|
|
void WINAPI
|
|
WintunFreeAdapter(_In_ WINTUN_ADAPTER *Adapter)
|
|
{
|
|
HeapFree(ModuleHeap, 0, Adapter);
|
|
}
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunGetAdapter(
|
|
_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
|
|
_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name,
|
|
_Out_ WINTUN_ADAPTER **Adapter)
|
|
{
|
|
DWORD Result;
|
|
HANDLE Mutex = NamespaceTakeMutex(Pool);
|
|
if (!Mutex)
|
|
return ERROR_INVALID_HANDLE;
|
|
|
|
HDEVINFO DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
|
if (DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to get present class devices");
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
for (DWORD EnumIndex = 0;; ++EnumIndex)
|
|
{
|
|
SP_DEVINFO_DATA DevInfoData = { .cbSize = sizeof(SP_DEVINFO_DATA) };
|
|
if (!SetupDiEnumDeviceInfo(DevInfo, EnumIndex, &DevInfoData))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
continue;
|
|
}
|
|
|
|
GUID CfgInstanceID;
|
|
if (GetNetCfgInstanceId(DevInfo, &DevInfoData, &CfgInstanceID) != ERROR_SUCCESS)
|
|
continue;
|
|
|
|
/* TODO: is there a better way than comparing ifnames? */
|
|
WCHAR Name2[MAX_ADAPTER_NAME];
|
|
if (NciGetConnectionName(&CfgInstanceID, Name2, sizeof(Name2), NULL) != ERROR_SUCCESS)
|
|
continue;
|
|
Name2[_countof(Name2) - 1] = 0;
|
|
if (_wcsicmp(Name, Name2))
|
|
{
|
|
RemoveNumberedSuffix(Name2, Name2);
|
|
if (_wcsicmp(Name, Name2))
|
|
continue;
|
|
}
|
|
|
|
/* Check the Hardware ID to make sure it's a real Wintun device. */
|
|
BOOL IsOurs;
|
|
Result = IsOurAdapter(DevInfo, &DevInfoData, &IsOurs);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to determine hardware ID");
|
|
goto cleanupDevInfo;
|
|
}
|
|
if (!IsOurs)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Foreign adapter with the same name exists");
|
|
Result = ERROR_ALREADY_EXISTS;
|
|
goto cleanupDevInfo;
|
|
}
|
|
|
|
BOOL IsMember;
|
|
Result = IsPoolMember(Pool, DevInfo, &DevInfoData, &IsMember);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to determine pool membership");
|
|
goto cleanupDevInfo;
|
|
}
|
|
if (!IsMember)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Wintun adapter with the same name exists in another pool");
|
|
Result = ERROR_ALREADY_EXISTS;
|
|
goto cleanupDevInfo;
|
|
}
|
|
|
|
Result = CreateAdapterData(Pool, DevInfo, &DevInfoData, Adapter);
|
|
if (Result != ERROR_SUCCESS)
|
|
LOG(WINTUN_LOG_ERR, L"Failed to create adapter data");
|
|
|
|
goto cleanupDevInfo;
|
|
}
|
|
Result = ERROR_FILE_NOT_FOUND;
|
|
cleanupDevInfo:
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
return Result;
|
|
}
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunGetAdapterName(_In_ const WINTUN_ADAPTER *Adapter, _Out_cap_c_(MAX_ADAPTER_NAME) WCHAR *Name)
|
|
{
|
|
return NciGetConnectionName(&Adapter->CfgInstanceID, Name, MAX_ADAPTER_NAME * sizeof(WCHAR), NULL);
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
ConvertInterfaceAliasToGuid(_In_z_ const WCHAR *Name, _Out_ GUID *Guid)
|
|
{
|
|
NET_LUID Luid;
|
|
DWORD Result = ConvertInterfaceAliasToLuid(Name, &Luid);
|
|
if (Result != NO_ERROR)
|
|
return LOG_ERROR(L"Failed convert interface alias name to the locally unique identifier", Result);
|
|
return ConvertInterfaceLuidToGuid(&Luid, Guid);
|
|
}
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunSetAdapterName(_In_ const WINTUN_ADAPTER *Adapter, _In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name)
|
|
{
|
|
DWORD Result;
|
|
const int MaxSuffix = 1000;
|
|
WCHAR AvailableName[MAX_ADAPTER_NAME];
|
|
wcsncpy_s(AvailableName, _countof(AvailableName), Name, _TRUNCATE);
|
|
for (int i = 0;; ++i)
|
|
{
|
|
Result = NciSetConnectionName(&Adapter->CfgInstanceID, AvailableName);
|
|
if (Result == ERROR_DUP_NAME)
|
|
{
|
|
GUID Guid2;
|
|
DWORD Result2 = ConvertInterfaceAliasToGuid(AvailableName, &Guid2);
|
|
if (Result2 == ERROR_SUCCESS)
|
|
{
|
|
for (int j = 0; j < MaxSuffix; ++j)
|
|
{
|
|
WCHAR Proposal[MAX_ADAPTER_NAME];
|
|
_snwprintf_s(Proposal, _countof(Proposal), _TRUNCATE, L"%.*s %d", MAX_ADAPTER_NAME, Name, j + 1);
|
|
if (_wcsnicmp(Proposal, AvailableName, MAX_ADAPTER_NAME) == 0)
|
|
continue;
|
|
Result2 = NciSetConnectionName(&Guid2, Proposal);
|
|
if (Result2 == ERROR_DUP_NAME)
|
|
continue;
|
|
if (Result2 == ERROR_SUCCESS)
|
|
{
|
|
Result = NciSetConnectionName(&Adapter->CfgInstanceID, AvailableName);
|
|
if (Result == ERROR_SUCCESS)
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (Result == ERROR_SUCCESS)
|
|
break;
|
|
if (i > MaxSuffix || Result != ERROR_DUP_NAME)
|
|
return LOG_ERROR(L"Setting adapter name failed", Result);
|
|
_snwprintf_s(AvailableName, _countof(AvailableName), _TRUNCATE, L"%.*s %d", MAX_ADAPTER_NAME, Name, i + 1);
|
|
}
|
|
|
|
/* TODO: This should use NetSetup2 so that it doesn't get unset. */
|
|
HKEY DeviceRegKey;
|
|
WCHAR DeviceRegPath[MAX_REG_PATH];
|
|
GetDeviceRegPath(Adapter, DeviceRegPath);
|
|
Result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, DeviceRegPath, 0, KEY_SET_VALUE, &DeviceRegKey);
|
|
if (Result != ERROR_SUCCESS)
|
|
return LOG_ERROR(L"Failed to open registry key", Result);
|
|
WCHAR PoolDeviceTypeName[MAX_POOL_DEVICE_TYPE];
|
|
GetPoolDeviceTypeName(Adapter->Pool, PoolDeviceTypeName);
|
|
Result = RegSetKeyValueW(
|
|
DeviceRegKey,
|
|
NULL,
|
|
L"FriendlyName",
|
|
REG_SZ,
|
|
PoolDeviceTypeName,
|
|
(DWORD)((wcslen(PoolDeviceTypeName) + 1) * sizeof(WCHAR)));
|
|
RegCloseKey(DeviceRegKey);
|
|
return Result;
|
|
}
|
|
|
|
void WINAPI
|
|
WintunGetAdapterGUID(_In_ const WINTUN_ADAPTER *Adapter, _Out_ GUID *Guid)
|
|
{
|
|
memcpy(Guid, &Adapter->CfgInstanceID, sizeof(GUID));
|
|
}
|
|
|
|
void WINAPI
|
|
WintunGetAdapterLUID(_In_ const WINTUN_ADAPTER *Adapter, _Out_ LUID *Luid)
|
|
{
|
|
*(LONGLONG *)Luid = (((LONGLONG)Adapter->LuidIndex & ((1 << 24) - 1)) << 24) |
|
|
(((LONGLONG)Adapter->IfType & ((1 << 16) - 1)) << 48);
|
|
}
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunGetAdapterDeviceObject(_In_ const WINTUN_ADAPTER *Adapter, _Out_ HANDLE *Handle)
|
|
{
|
|
return GetDeviceObject(Adapter->DevInstanceID, Handle);
|
|
}
|
|
|
|
#if defined(HAVE_EV) || defined(HAVE_WHQL)
|
|
|
|
/* We can't use RtlGetVersion, because appcompat's aclayers.dll shims it to report Vista
|
|
* when run from legacy contexts. So, we instead use the undocumented RtlGetNtVersionNumbers.
|
|
*
|
|
* Another way would be reading from the PEB directly:
|
|
* ((DWORD *)NtCurrentTeb()->ProcessEnvironmentBlock)[sizeof(void *) == 8 ? 70 : 41]
|
|
* Or just read from KUSER_SHARED_DATA the same way on 32-bit and 64-bit:
|
|
* *(DWORD *)0x7FFE026C
|
|
*/
|
|
extern VOID NTAPI
|
|
RtlGetNtVersionNumbers(_Out_opt_ DWORD *MajorVersion, _Out_opt_ DWORD *MinorVersion, _Out_opt_ DWORD *BuildNumber);
|
|
|
|
static BOOL
|
|
HaveWHQL(void)
|
|
{
|
|
# if defined(HAVE_EV) && defined(HAVE_WHQL)
|
|
DWORD MajorVersion;
|
|
RtlGetNtVersionNumbers(&MajorVersion, NULL, NULL);
|
|
return MajorVersion >= 10;
|
|
# elif defined(HAVE_EV)
|
|
return FALSE;
|
|
# elif defined(HAVE_WHQL)
|
|
return TRUE;
|
|
# endif
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
InstallCertificate(_In_z_ const WCHAR *SignedResource)
|
|
{
|
|
LOG(WINTUN_LOG_INFO, L"Trusting code signing certificate");
|
|
const void *LockedResource;
|
|
DWORD SizeResource;
|
|
DWORD Result = ResourceGetAddress(SignedResource, &LockedResource, &SizeResource);
|
|
if (Result != ERROR_SUCCESS)
|
|
return LOG(WINTUN_LOG_ERR, L"Failed to locate resource"), Result;
|
|
const CERT_BLOB CertBlob = { .cbData = SizeResource, .pbData = (BYTE *)LockedResource };
|
|
HCERTSTORE QueriedStore;
|
|
if (!CryptQueryObject(
|
|
CERT_QUERY_OBJECT_BLOB,
|
|
&CertBlob,
|
|
CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED,
|
|
CERT_QUERY_FORMAT_FLAG_ALL,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
&QueriedStore,
|
|
0,
|
|
NULL))
|
|
return LOG_LAST_ERROR(L"Failed to find certificate");
|
|
HCERTSTORE TrustedStore =
|
|
CertOpenStore(CERT_STORE_PROV_SYSTEM, 0, 0, CERT_SYSTEM_STORE_LOCAL_MACHINE, L"TrustedPublisher");
|
|
if (!TrustedStore)
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to open store");
|
|
goto cleanupQueriedStore;
|
|
}
|
|
LPSTR CodeSigningOid[] = { szOID_PKIX_KP_CODE_SIGNING };
|
|
CERT_ENHKEY_USAGE EnhancedUsage = { .cUsageIdentifier = 1, .rgpszUsageIdentifier = CodeSigningOid };
|
|
for (const CERT_CONTEXT *CertContext = NULL; (CertContext = CertFindCertificateInStore(
|
|
QueriedStore,
|
|
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
|
|
CERT_FIND_EXT_ONLY_ENHKEY_USAGE_FLAG,
|
|
CERT_FIND_ENHKEY_USAGE,
|
|
&EnhancedUsage,
|
|
CertContext)) != NULL;)
|
|
{
|
|
CERT_EXTENSION *Ext = CertFindExtension(
|
|
szOID_BASIC_CONSTRAINTS2, CertContext->pCertInfo->cExtension, CertContext->pCertInfo->rgExtension);
|
|
CERT_BASIC_CONSTRAINTS2_INFO Constraints;
|
|
DWORD Size = sizeof(Constraints);
|
|
if (Ext &&
|
|
CryptDecodeObjectEx(
|
|
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
|
|
szOID_BASIC_CONSTRAINTS2,
|
|
Ext->Value.pbData,
|
|
Ext->Value.cbData,
|
|
0,
|
|
NULL,
|
|
&Constraints,
|
|
&Size) &&
|
|
!Constraints.fCA)
|
|
if (!CertAddCertificateContextToStore(TrustedStore, CertContext, CERT_STORE_ADD_REPLACE_EXISTING, NULL))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to add certificate to store");
|
|
Result = Result != ERROR_SUCCESS ? Result : GetLastError();
|
|
}
|
|
}
|
|
CertCloseStore(TrustedStore, 0);
|
|
cleanupQueriedStore:
|
|
CertCloseStore(QueriedStore, 0);
|
|
return Result;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(HAVE_EV) || defined(HAVE_WHQL)
|
|
|
|
static BOOL
|
|
IsNewer(_In_ const SP_DRVINFO_DATA_W *DrvInfoData, _In_ const FILETIME *DriverDate, _In_ DWORDLONG DriverVersion)
|
|
{
|
|
if (DrvInfoData->DriverDate.dwHighDateTime > DriverDate->dwHighDateTime)
|
|
return TRUE;
|
|
if (DrvInfoData->DriverDate.dwHighDateTime < DriverDate->dwHighDateTime)
|
|
return FALSE;
|
|
|
|
if (DrvInfoData->DriverDate.dwLowDateTime > DriverDate->dwLowDateTime)
|
|
return TRUE;
|
|
if (DrvInfoData->DriverDate.dwLowDateTime < DriverDate->dwLowDateTime)
|
|
return FALSE;
|
|
|
|
if (DrvInfoData->DriverVersion > DriverVersion)
|
|
return TRUE;
|
|
if (DrvInfoData->DriverVersion < DriverVersion)
|
|
return FALSE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
GetTcpipAdapterRegPath(_In_ const WINTUN_ADAPTER *Adapter, _Out_cap_c_(MAX_REG_PATH) WCHAR *Path)
|
|
{
|
|
WCHAR Guid[MAX_GUID_STRING_LEN];
|
|
_snwprintf_s(
|
|
Path,
|
|
MAX_REG_PATH,
|
|
_TRUNCATE,
|
|
L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Adapters\\%.*s",
|
|
StringFromGUID2(&Adapter->CfgInstanceID, Guid, _countof(Guid)),
|
|
Guid);
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
GetTcpipInterfaceRegPath(_In_ const WINTUN_ADAPTER *Adapter, _Out_cap_c_(MAX_REG_PATH) WCHAR *Path)
|
|
{
|
|
DWORD Result;
|
|
HKEY TcpipAdapterRegKey;
|
|
WCHAR TcpipAdapterRegPath[MAX_REG_PATH];
|
|
GetTcpipAdapterRegPath(Adapter, TcpipAdapterRegPath);
|
|
Result = RegOpenKeyExW(HKEY_LOCAL_MACHINE, TcpipAdapterRegPath, 0, KEY_QUERY_VALUE, &TcpipAdapterRegKey);
|
|
if (Result != ERROR_SUCCESS)
|
|
return LOG_ERROR(L"Failed to open registry key", Result);
|
|
WCHAR *Paths;
|
|
Result = RegistryQueryString(TcpipAdapterRegKey, L"IpConfig", &Paths, TRUE);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query IpConfig value");
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
if (!Paths[0])
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"IpConfig is empty");
|
|
Result = ERROR_INVALID_DATA;
|
|
goto cleanupPaths;
|
|
}
|
|
_snwprintf_s(Path, MAX_REG_PATH, _TRUNCATE, L"SYSTEM\\CurrentControlSet\\Services\\%s", Paths);
|
|
cleanupPaths:
|
|
HeapFree(ModuleHeap, 0, Paths);
|
|
cleanupTcpipAdapterRegKey:
|
|
RegCloseKey(TcpipAdapterRegKey);
|
|
return Result;
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
CreateAdapter(
|
|
_In_z_count_c_(MAX_PATH) const WCHAR *InfPath,
|
|
_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
|
|
_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name,
|
|
_In_opt_ const GUID *RequestedGUID,
|
|
_Out_ WINTUN_ADAPTER **Adapter,
|
|
_Inout_ BOOL *RebootRequired)
|
|
{
|
|
DWORD Result;
|
|
HANDLE Mutex = NamespaceTakeMutex(Pool);
|
|
if (!Mutex)
|
|
return ERROR_INVALID_HANDLE;
|
|
|
|
HDEVINFO DevInfo = SetupDiCreateDeviceInfoListExW(&GUID_DEVCLASS_NET, NULL, NULL, NULL);
|
|
if (DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Creating empty device information set failed");
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
WCHAR ClassName[MAX_CLASS_NAME_LEN];
|
|
if (!SetupDiClassNameFromGuidExW(&GUID_DEVCLASS_NET, ClassName, _countof(ClassName), NULL, NULL, NULL))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Retrieving class name associated with class GUID failed");
|
|
goto cleanupDevInfo;
|
|
}
|
|
|
|
WCHAR PoolDeviceTypeName[MAX_POOL_DEVICE_TYPE];
|
|
GetPoolDeviceTypeName(Pool, PoolDeviceTypeName);
|
|
SP_DEVINFO_DATA DevInfoData = { .cbSize = sizeof(SP_DEVINFO_DATA) };
|
|
if (!SetupDiCreateDeviceInfoW(
|
|
DevInfo, ClassName, &GUID_DEVCLASS_NET, PoolDeviceTypeName, NULL, DICD_GENERATE_ID, &DevInfoData))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Creating new device information element failed");
|
|
goto cleanupDevInfo;
|
|
}
|
|
SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(SP_DEVINSTALL_PARAMS_W) };
|
|
if (!SetupDiGetDeviceInstallParamsW(DevInfo, &DevInfoData, &DevInstallParams))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Retrieving device installation parameters failed");
|
|
goto cleanupDevInfo;
|
|
}
|
|
DevInstallParams.Flags |= DI_QUIETINSTALL | DI_ENUMSINGLEINF;
|
|
wcscpy_s(DevInstallParams.DriverPath, _countof(DevInstallParams.DriverPath), InfPath);
|
|
if (!SetupDiSetDeviceInstallParamsW(DevInfo, &DevInfoData, &DevInstallParams))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Setting device installation parameters failed");
|
|
goto cleanupDevInfo;
|
|
}
|
|
|
|
if (!SetupDiSetSelectedDevice(DevInfo, &DevInfoData))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed selecting device");
|
|
goto cleanupDevInfo;
|
|
}
|
|
|
|
static const WCHAR Hwids[_countof(WINTUN_HWID) + 1 /*Multi-string terminator*/] = WINTUN_HWID;
|
|
if (!SetupDiSetDeviceRegistryPropertyW(DevInfo, &DevInfoData, SPDRP_HARDWAREID, (const BYTE *)Hwids, sizeof(Hwids)))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed setting hardware ID");
|
|
goto cleanupDevInfo;
|
|
}
|
|
if (!SetupDiBuildDriverInfoList(DevInfo, &DevInfoData, SPDIT_COMPATDRIVER)) /* TODO: This takes ~510ms */
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed building driver info list");
|
|
goto cleanupDevInfo;
|
|
}
|
|
|
|
FILETIME DriverDate = { 0, 0 };
|
|
DWORDLONG DriverVersion = 0;
|
|
for (DWORD EnumIndex = 0;; ++EnumIndex) /* TODO: This loop takes ~600ms */
|
|
{
|
|
SP_DRVINFO_DATA_W DrvInfoData = { .cbSize = sizeof(SP_DRVINFO_DATA_W) };
|
|
if (!SetupDiEnumDriverInfoW(DevInfo, &DevInfoData, SPDIT_COMPATDRIVER, EnumIndex, &DrvInfoData))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
continue;
|
|
}
|
|
|
|
/* Check the driver version first, since the check is trivial and will save us iterating over hardware IDs for
|
|
* any driver versioned prior our best match. */
|
|
if (!IsNewer(&DrvInfoData, &DriverDate, DriverVersion))
|
|
continue;
|
|
|
|
SP_DRVINFO_DETAIL_DATA_W *DrvInfoDetailData;
|
|
if (AdapterGetDrvInfoDetail(DevInfo, &DevInfoData, &DrvInfoData, &DrvInfoDetailData) != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_WARN, L"Failed getting driver info detail");
|
|
continue;
|
|
}
|
|
if (!DriverIsOurDrvInfoDetail(DrvInfoDetailData))
|
|
{
|
|
HeapFree(ModuleHeap, 0, DrvInfoDetailData);
|
|
continue;
|
|
}
|
|
HeapFree(ModuleHeap, 0, DrvInfoDetailData);
|
|
|
|
if (!SetupDiSetSelectedDriverW(DevInfo, &DevInfoData, &DrvInfoData))
|
|
continue;
|
|
|
|
DriverDate = DrvInfoData.DriverDate;
|
|
DriverVersion = DrvInfoData.DriverVersion;
|
|
}
|
|
|
|
if (!DriverVersion)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"No appropriate drivers found");
|
|
Result = ERROR_FILE_NOT_FOUND;
|
|
goto cleanupDriverInfoList;
|
|
}
|
|
|
|
if (!SetupDiCallClassInstaller(DIF_REGISTERDEVICE, DevInfo, &DevInfoData))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Registering device failed");
|
|
goto cleanupDevice;
|
|
}
|
|
if (!SetupDiCallClassInstaller(DIF_REGISTER_COINSTALLERS, DevInfo, &DevInfoData))
|
|
LOG_LAST_ERROR(L"Registering coinstallers failed");
|
|
|
|
HKEY NetDevRegKey = INVALID_HANDLE_VALUE;
|
|
const int PollTimeout = 50 /* ms */;
|
|
for (int i = 0; NetDevRegKey == INVALID_HANDLE_VALUE && i < WAIT_FOR_REGISTRY_TIMEOUT / PollTimeout; ++i)
|
|
{
|
|
if (i)
|
|
Sleep(PollTimeout);
|
|
NetDevRegKey = SetupDiOpenDevRegKey(
|
|
DevInfo, &DevInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DRV, KEY_SET_VALUE | KEY_QUERY_VALUE | KEY_NOTIFY);
|
|
}
|
|
if (NetDevRegKey == INVALID_HANDLE_VALUE)
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to open device-specific registry key");
|
|
goto cleanupDevice;
|
|
}
|
|
if (RequestedGUID)
|
|
{
|
|
WCHAR RequestedGUIDStr[MAX_GUID_STRING_LEN];
|
|
Result = RegSetValueExW(
|
|
NetDevRegKey,
|
|
L"NetSetupAnticipatedInstanceId",
|
|
0,
|
|
REG_SZ,
|
|
(const BYTE *)RequestedGUIDStr,
|
|
StringFromGUID2(RequestedGUID, RequestedGUIDStr, _countof(RequestedGUIDStr)) * sizeof(WCHAR));
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to set NetSetupAnticipatedInstanceId");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
}
|
|
|
|
if (!SetupDiCallClassInstaller(DIF_INSTALLINTERFACES, DevInfo, &DevInfoData))
|
|
LOG_LAST_ERROR(L"Installing interfaces failed");
|
|
|
|
if (!SetupDiCallClassInstaller(DIF_INSTALLDEVICE, DevInfo, &DevInfoData))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Installing device failed");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
*RebootRequired = *RebootRequired || CheckReboot(DevInfo, &DevInfoData);
|
|
|
|
if (!SetupDiSetDeviceRegistryPropertyW(
|
|
DevInfo,
|
|
&DevInfoData,
|
|
SPDRP_DEVICEDESC,
|
|
(const BYTE *)PoolDeviceTypeName,
|
|
(DWORD)((wcslen(PoolDeviceTypeName) + 1) * sizeof(WCHAR))))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to set device description");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
|
|
/* DIF_INSTALLDEVICE returns almost immediately, while the device installation continues in the background. It might
|
|
* take a while, before all registry keys and values are populated. */
|
|
WCHAR *DummyStr;
|
|
Result = RegistryQueryStringWait(NetDevRegKey, L"NetCfgInstanceId", WAIT_FOR_REGISTRY_TIMEOUT, &DummyStr);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query NetCfgInstanceId value");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
HeapFree(ModuleHeap, 0, DummyStr);
|
|
DWORD DummyDWORD;
|
|
Result = RegistryQueryDWORDWait(NetDevRegKey, L"NetLuidIndex", WAIT_FOR_REGISTRY_TIMEOUT, &DummyDWORD);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query NetLuidIndex value");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
Result = RegistryQueryDWORDWait(NetDevRegKey, L"*IfType", WAIT_FOR_REGISTRY_TIMEOUT, &DummyDWORD);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query *IfType value");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
|
|
Result = CreateAdapterData(Pool, DevInfo, &DevInfoData, Adapter);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to create adapter data");
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
|
|
HKEY TcpipAdapterRegKey;
|
|
WCHAR TcpipAdapterRegPath[MAX_REG_PATH];
|
|
GetTcpipAdapterRegPath(*Adapter, TcpipAdapterRegPath);
|
|
Result = RegistryOpenKeyWait(
|
|
HKEY_LOCAL_MACHINE,
|
|
TcpipAdapterRegPath,
|
|
KEY_QUERY_VALUE | KEY_NOTIFY,
|
|
WAIT_FOR_REGISTRY_TIMEOUT,
|
|
&TcpipAdapterRegKey);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to open adapter-specific TCP/IP adapter registry key");
|
|
goto cleanupAdapter;
|
|
}
|
|
Result = RegistryQueryStringWait(TcpipAdapterRegKey, L"IpConfig", WAIT_FOR_REGISTRY_TIMEOUT, &DummyStr);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to query IpConfig value");
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
HeapFree(ModuleHeap, 0, DummyStr);
|
|
|
|
HKEY TcpipInterfaceRegKey;
|
|
WCHAR TcpipInterfaceRegPath[MAX_REG_PATH];
|
|
Result = GetTcpipInterfaceRegPath(*Adapter, TcpipInterfaceRegPath);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to determine interface-specific TCP/IP network registry key path");
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
Result = RegistryOpenKeyWait(
|
|
HKEY_LOCAL_MACHINE,
|
|
TcpipInterfaceRegPath,
|
|
KEY_QUERY_VALUE | KEY_SET_VALUE,
|
|
WAIT_FOR_REGISTRY_TIMEOUT,
|
|
&TcpipInterfaceRegKey);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to open interface-specific TCP/IP network registry key");
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
|
|
static const DWORD EnableDeadGWDetect = 0;
|
|
Result = RegSetKeyValueW(
|
|
TcpipInterfaceRegKey, NULL, L"EnableDeadGWDetect", REG_DWORD, &EnableDeadGWDetect, sizeof(EnableDeadGWDetect));
|
|
if (Result != ERROR_SUCCESS)
|
|
LOG_ERROR(L"Failed to set EnableDeadGWDetect", Result);
|
|
|
|
Result = WintunSetAdapterName(*Adapter, Name);
|
|
if (Result != ERROR_SUCCESS)
|
|
LOG_ERROR(L"Failed to set adapter name", Result);
|
|
RegCloseKey(TcpipInterfaceRegKey);
|
|
cleanupTcpipAdapterRegKey:
|
|
RegCloseKey(TcpipAdapterRegKey);
|
|
cleanupAdapter:
|
|
if (Result != ERROR_SUCCESS)
|
|
HeapFree(ModuleHeap, 0, *Adapter);
|
|
cleanupNetDevRegKey:
|
|
RegCloseKey(NetDevRegKey);
|
|
cleanupDevice:
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
/* The adapter failed to install, or the adapter ID was unobtainable. Clean-up. */
|
|
SP_REMOVEDEVICE_PARAMS RemoveDeviceParams = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_REMOVE },
|
|
.Scope = DI_REMOVEDEVICE_GLOBAL };
|
|
if (SetupDiSetClassInstallParamsW(
|
|
DevInfo, &DevInfoData, &RemoveDeviceParams.ClassInstallHeader, sizeof(RemoveDeviceParams)) &&
|
|
SetupDiCallClassInstaller(DIF_REMOVE, DevInfo, &DevInfoData))
|
|
*RebootRequired = *RebootRequired || CheckReboot(DevInfo, &DevInfoData);
|
|
}
|
|
cleanupDriverInfoList:
|
|
SetupDiDestroyDriverInfoList(DevInfo, &DevInfoData, SPDIT_COMPATDRIVER);
|
|
cleanupDevInfo:
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
return Result;
|
|
}
|
|
|
|
#endif
|
|
|
|
static WINTUN_STATUS
|
|
CreateTemporaryDirectory(_Out_cap_c_(MAX_PATH) WCHAR *RandomTempSubDirectory)
|
|
{
|
|
WCHAR WindowsDirectory[MAX_PATH];
|
|
if (!GetWindowsDirectoryW(WindowsDirectory, _countof(WindowsDirectory)))
|
|
return LOG_LAST_ERROR(L"Failed to get Windows folder");
|
|
WCHAR WindowsTempDirectory[MAX_PATH];
|
|
if (!PathCombineW(WindowsTempDirectory, WindowsDirectory, L"Temp"))
|
|
return ERROR_BUFFER_OVERFLOW;
|
|
UCHAR RandomBytes[32] = { 0 };
|
|
#pragma warning(suppress : 6387)
|
|
if (!RtlGenRandom(RandomBytes, sizeof(RandomBytes)))
|
|
return LOG_LAST_ERROR(L"Failed to generate random");
|
|
WCHAR RandomSubDirectory[sizeof(RandomBytes) * 2 + 1];
|
|
for (int i = 0; i < sizeof(RandomBytes); ++i)
|
|
swprintf_s(&RandomSubDirectory[i * 2], 3, L"%02x", RandomBytes[i]);
|
|
if (!PathCombineW(RandomTempSubDirectory, WindowsTempDirectory, RandomSubDirectory))
|
|
return ERROR_BUFFER_OVERFLOW;
|
|
if (!CreateDirectoryW(RandomTempSubDirectory, SecurityAttributes))
|
|
return LOG_LAST_ERROR(L"Failed to create temporary folder");
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
#if defined(_M_IX86) || defined(_M_ARM)
|
|
|
|
typedef struct _PROCESS_STDOUT_STATE
|
|
{
|
|
HANDLE Stdout;
|
|
WCHAR *Response;
|
|
DWORD ResponseCapacity;
|
|
} PROCESS_STDOUT_STATE;
|
|
|
|
static DWORD WINAPI
|
|
ProcessStdout(_Inout_ PROCESS_STDOUT_STATE *State)
|
|
{
|
|
for (DWORD Offset = 0, MaxLen = State->ResponseCapacity - 1; Offset < MaxLen;)
|
|
{
|
|
DWORD SizeRead;
|
|
if (!ReadFile(State->Stdout, State->Response + Offset, sizeof(WCHAR) * (MaxLen - Offset), &SizeRead, NULL))
|
|
return 0;
|
|
if (SizeRead % sizeof(WCHAR))
|
|
return 1;
|
|
Offset += SizeRead / sizeof(WCHAR);
|
|
State->Response[Offset] = 0;
|
|
}
|
|
return 2;
|
|
}
|
|
|
|
static DWORD WINAPI
|
|
ProcessStderr(_In_ HANDLE Stderr)
|
|
{
|
|
enum
|
|
{
|
|
OnNone,
|
|
OnLevelStart,
|
|
OnLevel,
|
|
OnLevelEnd,
|
|
OnSpace,
|
|
OnMsg
|
|
} State = OnNone;
|
|
WCHAR Msg[0x200];
|
|
DWORD Count = 0;
|
|
WINTUN_LOGGER_LEVEL Level = WINTUN_LOG_INFO;
|
|
for (;;)
|
|
{
|
|
WCHAR Buf[0x200];
|
|
DWORD SizeRead;
|
|
if (!ReadFile(Stderr, Buf, sizeof(Buf), &SizeRead, NULL))
|
|
return 0;
|
|
if (SizeRead % sizeof(WCHAR))
|
|
return 1;
|
|
SizeRead /= sizeof(WCHAR);
|
|
for (DWORD i = 0; i < SizeRead; ++i)
|
|
{
|
|
WCHAR c = Buf[i];
|
|
if (State == OnNone && c == L'[')
|
|
State = OnLevelStart;
|
|
else if (
|
|
State == OnLevelStart && ((Level = WINTUN_LOG_INFO, c == L'+') ||
|
|
(Level = WINTUN_LOG_WARN, c == L'-') || (Level = WINTUN_LOG_ERR, c == L'!')))
|
|
State = OnLevelEnd;
|
|
else if (State == OnLevelEnd && c == L']')
|
|
State = OnSpace;
|
|
else if (State == OnSpace && !iswspace(c) || State == OnMsg && c != L'\r' && c != L'\n')
|
|
{
|
|
if (Count < _countof(Msg) - 1)
|
|
Msg[Count++] = c;
|
|
State = OnMsg;
|
|
}
|
|
else if (State == OnMsg && c == L'\n')
|
|
{
|
|
Msg[Count] = 0;
|
|
Logger(Level, Msg);
|
|
State = OnNone;
|
|
Count = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
ExecuteRunDll32(
|
|
_In_z_ const WCHAR *Arguments,
|
|
_Out_z_cap_c_(ResponseCapacity) WCHAR *Response,
|
|
_In_ DWORD ResponseCapacity)
|
|
{
|
|
WCHAR WindowsDirectory[MAX_PATH];
|
|
if (!GetWindowsDirectoryW(WindowsDirectory, _countof(WindowsDirectory)))
|
|
return LOG_LAST_ERROR(L"Failed to get Windows folder");
|
|
WCHAR RunDll32Path[MAX_PATH];
|
|
if (!PathCombineW(RunDll32Path, WindowsDirectory, L"Sysnative\\rundll32.exe"))
|
|
return ERROR_BUFFER_OVERFLOW;
|
|
|
|
DWORD Result;
|
|
WCHAR RandomTempSubDirectory[MAX_PATH];
|
|
if ((Result = CreateTemporaryDirectory(RandomTempSubDirectory)) != ERROR_SUCCESS)
|
|
return LOG(WINTUN_LOG_ERR, L"Failed to create temporary folder"), Result;
|
|
WCHAR DllPath[MAX_PATH] = { 0 };
|
|
if (!PathCombineW(DllPath, RandomTempSubDirectory, L"wintun.dll"))
|
|
{
|
|
Result = ERROR_BUFFER_OVERFLOW;
|
|
goto cleanupDirectory;
|
|
}
|
|
if ((Result = ResourceCopyToFile(
|
|
DllPath, NativeMachine == IMAGE_FILE_MACHINE_ARM64 ? L"wintun-arm64.dll" : L"wintun-amd64.dll")) !=
|
|
ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to copy resource");
|
|
goto cleanupDelete;
|
|
}
|
|
size_t CommandLineLen = 10 + MAX_PATH + 2 + wcslen(Arguments) + 1;
|
|
WCHAR *CommandLine = HeapAlloc(ModuleHeap, 0, CommandLineLen * sizeof(WCHAR));
|
|
if (!CommandLine)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Out of memory");
|
|
Result = ERROR_OUTOFMEMORY;
|
|
goto cleanupDelete;
|
|
}
|
|
_snwprintf_s(CommandLine, CommandLineLen, _TRUNCATE, L"rundll32 \"%.*s\",%s", MAX_PATH, DllPath, Arguments);
|
|
SECURITY_ATTRIBUTES sa = { .nLength = sizeof(SECURITY_ATTRIBUTES),
|
|
.bInheritHandle = TRUE,
|
|
.lpSecurityDescriptor =
|
|
SecurityAttributes ? SecurityAttributes->lpSecurityDescriptor : NULL };
|
|
typedef enum
|
|
{
|
|
Stdout = 0,
|
|
Stderr
|
|
} stdid_t;
|
|
HANDLE StreamR[] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE },
|
|
StreamW[] = { INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE };
|
|
if (!CreatePipe(&StreamR[Stdout], &StreamW[Stdout], &sa, 0) ||
|
|
!CreatePipe(&StreamR[Stderr], &StreamW[Stderr], &sa, 0))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to create pipes");
|
|
goto cleanupPipes;
|
|
}
|
|
if (!SetHandleInformation(StreamR[Stdout], HANDLE_FLAG_INHERIT, 0) ||
|
|
!SetHandleInformation(StreamR[Stderr], HANDLE_FLAG_INHERIT, 0))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to set handle info");
|
|
goto cleanupPipes;
|
|
}
|
|
if (ResponseCapacity)
|
|
Response[0] = 0;
|
|
PROCESS_STDOUT_STATE ProcessStdoutState = { .Stdout = StreamR[Stdout],
|
|
.Response = Response,
|
|
.ResponseCapacity = ResponseCapacity };
|
|
HANDLE Thread[] = { NULL, NULL };
|
|
if ((Thread[Stdout] = CreateThread(SecurityAttributes, 0, ProcessStdout, &ProcessStdoutState, 0, NULL)) == NULL ||
|
|
(Thread[Stderr] = CreateThread(SecurityAttributes, 0, ProcessStderr, StreamR[Stderr], 0, NULL)) == NULL)
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to spawn reader threads");
|
|
goto cleanupThreads;
|
|
}
|
|
STARTUPINFOW si = { .cb = sizeof(STARTUPINFO),
|
|
.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES,
|
|
.wShowWindow = SW_HIDE,
|
|
.hStdOutput = StreamW[Stdout],
|
|
.hStdError = StreamW[Stderr] };
|
|
PROCESS_INFORMATION pi;
|
|
if (!CreateProcessW(RunDll32Path, CommandLine, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Creating process failed");
|
|
goto cleanupThreads;
|
|
}
|
|
WaitForSingleObject(pi.hProcess, INFINITE);
|
|
CloseHandle(pi.hProcess);
|
|
CloseHandle(pi.hThread);
|
|
cleanupThreads:
|
|
for (size_t i = _countof(Thread); i--;)
|
|
if (Thread[i])
|
|
{
|
|
CloseHandle(StreamW[i]);
|
|
StreamW[i] = INVALID_HANDLE_VALUE;
|
|
WaitForSingleObject(Thread[i], INFINITE);
|
|
CloseHandle(Thread[i]);
|
|
}
|
|
cleanupPipes:
|
|
CloseHandle(StreamR[Stderr]);
|
|
CloseHandle(StreamW[Stderr]);
|
|
CloseHandle(StreamR[Stdout]);
|
|
CloseHandle(StreamW[Stdout]);
|
|
HeapFree(ModuleHeap, 0, CommandLine);
|
|
cleanupDelete:
|
|
DeleteFileW(DllPath);
|
|
cleanupDirectory:
|
|
RemoveDirectoryW(RandomTempSubDirectory);
|
|
return Result;
|
|
}
|
|
|
|
static WINTUN_STATUS
|
|
GetAdapter(_In_z_count_c_(MAX_POOL) const WCHAR *Pool, _In_ const GUID *CfgInstanceID, _Out_ WINTUN_ADAPTER **Adapter)
|
|
{
|
|
HANDLE Mutex = NamespaceTakeMutex(Pool);
|
|
if (!Mutex)
|
|
return ERROR_INVALID_HANDLE;
|
|
HDEVINFO DevInfo;
|
|
SP_DEVINFO_DATA DevInfoData;
|
|
DWORD Result = GetDevInfoData(CfgInstanceID, &DevInfo, &DevInfoData);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to locate adapter");
|
|
goto cleanupMutex;
|
|
}
|
|
Result = CreateAdapterData(Pool, DevInfo, &DevInfoData, Adapter);
|
|
if (Result != ERROR_SUCCESS)
|
|
LOG(WINTUN_LOG_ERR, L"Failed to create adapter data");
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
return Result;
|
|
}
|
|
|
|
#endif
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunCreateAdapter(
|
|
_In_z_count_c_(MAX_POOL) const WCHAR *Pool,
|
|
_In_z_count_c_(MAX_ADAPTER_NAME) const WCHAR *Name,
|
|
_In_opt_ const GUID *RequestedGUID,
|
|
_Out_ WINTUN_ADAPTER **Adapter,
|
|
_Inout_ BOOL *RebootRequired)
|
|
{
|
|
#if defined(_M_IX86) || defined(_M_ARM)
|
|
if (NativeMachine != IMAGE_FILE_PROCESS)
|
|
{
|
|
LOG(WINTUN_LOG_INFO, L"Spawning native process for the job");
|
|
WCHAR RequestedGUIDStr[MAX_GUID_STRING_LEN];
|
|
WCHAR Arguments[15 + MAX_POOL + 3 + MAX_ADAPTER_NAME + 2 + MAX_GUID_STRING_LEN + 1];
|
|
_snwprintf_s(
|
|
Arguments,
|
|
_countof(Arguments),
|
|
_TRUNCATE,
|
|
RequestedGUID ? L"CreateAdapter \"%.*s\" \"%.*s\" %.*s" : L"CreateAdapter \"%.*s\" \"%.*s\"",
|
|
MAX_POOL,
|
|
Pool,
|
|
MAX_ADAPTER_NAME,
|
|
Name,
|
|
RequestedGUID ? StringFromGUID2(RequestedGUID, RequestedGUIDStr, _countof(RequestedGUIDStr)) : 0,
|
|
RequestedGUIDStr);
|
|
WCHAR Response[8 + 1 + MAX_GUID_STRING_LEN + 1 + 8 + 1];
|
|
DWORD Result = ExecuteRunDll32(Arguments, Response, _countof(Response));
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Error executing worker process");
|
|
return Result;
|
|
}
|
|
int Argc;
|
|
WCHAR **Argv = CommandLineToArgvW(Response, &Argc);
|
|
GUID CfgInstanceID;
|
|
if (Argc < 3 || FAILED(CLSIDFromString(Argv[1], &CfgInstanceID)))
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Incomplete or invalid response");
|
|
Result = ERROR_INVALID_PARAMETER;
|
|
goto cleanupArgv;
|
|
}
|
|
Result = wcstoul(Argv[0], NULL, 16);
|
|
if (Result == ERROR_SUCCESS && GetAdapter(Pool, &CfgInstanceID, Adapter) != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to get adapter");
|
|
Result = ERROR_FILE_NOT_FOUND;
|
|
}
|
|
if (wcstoul(Argv[2], NULL, 16))
|
|
*RebootRequired = TRUE;
|
|
cleanupArgv:
|
|
LocalFree(Argv);
|
|
return Result;
|
|
}
|
|
#endif
|
|
|
|
#if defined(HAVE_EV) || defined(HAVE_WHQL)
|
|
DWORD Result = ERROR_SUCCESS;
|
|
WCHAR RandomTempSubDirectory[MAX_PATH];
|
|
if ((Result = CreateTemporaryDirectory(RandomTempSubDirectory)) != ERROR_SUCCESS)
|
|
return LOG(WINTUN_LOG_ERR, L"Failed to create temporary folder"), Result;
|
|
|
|
WCHAR CatPath[MAX_PATH] = { 0 };
|
|
WCHAR SysPath[MAX_PATH] = { 0 };
|
|
WCHAR InfPath[MAX_PATH] = { 0 };
|
|
if (!PathCombineW(CatPath, RandomTempSubDirectory, L"wintun.cat") ||
|
|
!PathCombineW(SysPath, RandomTempSubDirectory, L"wintun.sys") ||
|
|
!PathCombineW(InfPath, RandomTempSubDirectory, L"wintun.inf"))
|
|
{
|
|
Result = ERROR_BUFFER_OVERFLOW;
|
|
goto cleanupDirectory;
|
|
}
|
|
|
|
BOOL UseWHQL = HaveWHQL();
|
|
if (!UseWHQL && (Result = InstallCertificate(L"wintun.cat")) != ERROR_SUCCESS)
|
|
LOG(WINTUN_LOG_WARN, L"Unable to install code signing certificate");
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Copying resources to temporary path");
|
|
if ((Result = ResourceCopyToFile(CatPath, UseWHQL ? L"wintun-whql.cat" : L"wintun.cat")) != ERROR_SUCCESS ||
|
|
(Result = ResourceCopyToFile(SysPath, UseWHQL ? L"wintun-whql.sys" : L"wintun.sys")) != ERROR_SUCCESS ||
|
|
(Result = ResourceCopyToFile(InfPath, UseWHQL ? L"wintun-whql.inf" : L"wintun.inf")) != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to copy resources");
|
|
goto cleanupDelete;
|
|
}
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Installing driver");
|
|
if (!SetupCopyOEMInfW(InfPath, NULL, SPOST_PATH, 0, NULL, 0, NULL, NULL))
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Could not install driver to store");
|
|
goto cleanupDelete;
|
|
}
|
|
|
|
Result = CreateAdapter(InfPath, Pool, Name, RequestedGUID, Adapter, RebootRequired);
|
|
DriverRemoveAllOurs();
|
|
cleanupDelete:
|
|
DeleteFileW(CatPath);
|
|
DeleteFileW(SysPath);
|
|
DeleteFileW(InfPath);
|
|
cleanupDirectory:
|
|
RemoveDirectoryW(RandomTempSubDirectory);
|
|
return Result;
|
|
#else
|
|
return ERROR_NOT_SUPPORTED;
|
|
#endif
|
|
}
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunDeleteAdapter(_In_ const WINTUN_ADAPTER *Adapter, _Inout_ BOOL *RebootRequired)
|
|
{
|
|
#if defined(_M_IX86) || defined(_M_ARM)
|
|
if (NativeMachine != IMAGE_FILE_PROCESS)
|
|
{
|
|
LOG(WINTUN_LOG_INFO, L"Spawning native process for the job");
|
|
WCHAR GuidStr[MAX_GUID_STRING_LEN];
|
|
WCHAR Arguments[14 + MAX_GUID_STRING_LEN + 1];
|
|
_snwprintf_s(
|
|
Arguments,
|
|
_countof(Arguments),
|
|
_TRUNCATE,
|
|
L"DeleteAdapter %.*s",
|
|
StringFromGUID2(&Adapter->CfgInstanceID, GuidStr, _countof(GuidStr)),
|
|
GuidStr);
|
|
WCHAR Response[8 + 1 + 8 + 1];
|
|
DWORD Result = ExecuteRunDll32(Arguments, Response, _countof(Response));
|
|
if (Result != ERROR_SUCCESS)
|
|
LOG(WINTUN_LOG_ERR, L"Error executing worker process");
|
|
int Argc;
|
|
WCHAR **Argv = CommandLineToArgvW(Response, &Argc);
|
|
if (Argc < 2)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Incomplete or invalid response");
|
|
Result = ERROR_INVALID_PARAMETER;
|
|
goto cleanupArgv;
|
|
}
|
|
Result = wcstoul(Argv[0], NULL, 16);
|
|
if (wcstoul(Argv[1], NULL, 16))
|
|
*RebootRequired = TRUE;
|
|
cleanupArgv:
|
|
LocalFree(Argv);
|
|
return Result;
|
|
}
|
|
#endif
|
|
|
|
HDEVINFO DevInfo;
|
|
SP_DEVINFO_DATA DevInfoData;
|
|
DWORD Result = GetDevInfoData(&Adapter->CfgInstanceID, &DevInfo, &DevInfoData);
|
|
if (Result == ERROR_FILE_NOT_FOUND)
|
|
return ERROR_SUCCESS;
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to get device info data");
|
|
return Result;
|
|
}
|
|
SetQuietInstall(DevInfo, &DevInfoData);
|
|
SP_REMOVEDEVICE_PARAMS RemoveDeviceParams = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_REMOVE },
|
|
.Scope = DI_REMOVEDEVICE_GLOBAL };
|
|
if (SetupDiSetClassInstallParamsW(
|
|
DevInfo, &DevInfoData, &RemoveDeviceParams.ClassInstallHeader, sizeof(RemoveDeviceParams)) &&
|
|
SetupDiCallClassInstaller(DIF_REMOVE, DevInfo, &DevInfoData))
|
|
*RebootRequired = *RebootRequired || CheckReboot(DevInfo, &DevInfoData);
|
|
else
|
|
Result = LOG_LAST_ERROR(L"Unable to remove existing adapter");
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
return Result;
|
|
}
|
|
|
|
WINTUN_STATUS WINAPI
|
|
WintunEnumAdapters(_In_z_count_c_(MAX_POOL) const WCHAR *Pool, _In_ WINTUN_ENUM_FUNC Func, _In_ LPARAM Param)
|
|
{
|
|
HANDLE Mutex = NamespaceTakeMutex(Pool);
|
|
if (!Mutex)
|
|
return ERROR_INVALID_HANDLE;
|
|
DWORD Result = ERROR_SUCCESS;
|
|
HDEVINFO DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
|
if (DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
Result = LOG_LAST_ERROR(L"Failed to get present class devices");
|
|
goto cleanupMutex;
|
|
}
|
|
BOOL Continue = TRUE;
|
|
for (DWORD EnumIndex = 0; Continue; ++EnumIndex)
|
|
{
|
|
SP_DEVINFO_DATA DevInfoData = { .cbSize = sizeof(SP_DEVINFO_DATA) };
|
|
if (!SetupDiEnumDeviceInfo(DevInfo, EnumIndex, &DevInfoData))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
continue;
|
|
}
|
|
|
|
BOOL IsOurs;
|
|
if (IsOurAdapter(DevInfo, &DevInfoData, &IsOurs) != ERROR_SUCCESS || !IsOurs)
|
|
continue;
|
|
|
|
BOOL IsMember;
|
|
Result = IsPoolMember(Pool, DevInfo, &DevInfoData, &IsMember);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to determine pool membership");
|
|
break;
|
|
}
|
|
if (!IsMember)
|
|
continue;
|
|
|
|
WINTUN_ADAPTER *Adapter;
|
|
Result = CreateAdapterData(Pool, DevInfo, &DevInfoData, &Adapter);
|
|
if (Result != ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to create adapter data");
|
|
break;
|
|
}
|
|
Continue = Func(Adapter, Param);
|
|
HeapFree(ModuleHeap, 0, Adapter);
|
|
}
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
return Result;
|
|
}
|