21d8e66e04
https://git.zx2c4.com/downlevel-driver-enabler/about/ Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
1890 lines
66 KiB
C
1890 lines
66 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Copyright (C) 2018-2021 WireGuard LLC. All Rights Reserved.
|
|
*/
|
|
|
|
#include <WinSock2.h>
|
|
#include <Windows.h>
|
|
#include <winternl.h>
|
|
#include <cfgmgr32.h>
|
|
#include <devguid.h>
|
|
#include <ws2tcpip.h>
|
|
#include <iphlpapi.h>
|
|
#include <ndisguid.h>
|
|
#include <SetupAPI.h>
|
|
#include <Shlwapi.h>
|
|
#include <shellapi.h>
|
|
#include <wchar.h>
|
|
#include <initguid.h> /* Keep these two at bottom in this order, so that we only generate extra GUIDs for devpkey. The other keys we'll get from uuid.lib like usual. */
|
|
#include <devpkey.h>
|
|
#include <devioctl.h>
|
|
|
|
#include "adapter.h"
|
|
#include "logger.h"
|
|
#include "main.h"
|
|
#include "namespace.h"
|
|
#include "nci.h"
|
|
#include "ntdll.h"
|
|
#include "registry.h"
|
|
#include "resource.h"
|
|
#include "rundll32.h"
|
|
#include "wintun-inf.h"
|
|
|
|
#pragma warning(disable : 4221) /* nonstandard: address of automatic in initializer */
|
|
|
|
#define WAIT_FOR_REGISTRY_TIMEOUT 10000 /* ms */
|
|
#define MAX_POOL_DEVICE_TYPE (WINTUN_MAX_POOL + 8) /* Should accommodate a pool name with " Tunnel" appended */
|
|
|
|
static const DEVPROPKEY DEVPKEY_Wintun_Pool = {
|
|
{ 0xaba51201, 0xdf7a, 0x3a38, { 0x0a, 0xd9, 0x90, 0x64, 0x42, 0xd2, 0x71, 0xae } },
|
|
DEVPROPID_FIRST_USABLE + 0
|
|
};
|
|
|
|
static const DEVPROPKEY DEVPKEY_Wintun_Name = {
|
|
{ 0x3361c968, 0x2f2e, 0x4660, { 0xb4, 0x7e, 0x69, 0x9c, 0xdc, 0x4c, 0x32, 0xb9 } },
|
|
DEVPROPID_FIRST_USABLE + 1
|
|
};
|
|
|
|
typedef struct _SP_DEVINFO_DATA_LIST
|
|
{
|
|
SP_DEVINFO_DATA Data;
|
|
struct _SP_DEVINFO_DATA_LIST *Next;
|
|
} SP_DEVINFO_DATA_LIST;
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != NULL)
|
|
_Post_maybenull_
|
|
SP_DRVINFO_DETAIL_DATA_W *
|
|
GetAdapterDrvInfoDetail(
|
|
_In_ HDEVINFO DevInfo,
|
|
_In_opt_ SP_DEVINFO_DATA *DevInfoData,
|
|
_In_ SP_DRVINFO_DATA_W *DrvInfoData)
|
|
{
|
|
DWORD Size = sizeof(SP_DRVINFO_DETAIL_DATA_W) + 0x100;
|
|
for (;;)
|
|
{
|
|
SP_DRVINFO_DETAIL_DATA_W *DrvInfoDetailData = Alloc(Size);
|
|
if (!DrvInfoDetailData)
|
|
return NULL;
|
|
DrvInfoDetailData->cbSize = sizeof(SP_DRVINFO_DETAIL_DATA_W);
|
|
if (SetupDiGetDriverInfoDetailW(DevInfo, DevInfoData, DrvInfoData, DrvInfoDetailData, Size, &Size))
|
|
return DrvInfoDetailData;
|
|
DWORD LastError = GetLastError();
|
|
Free(DrvInfoDetailData);
|
|
if (LastError != ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
if (DevInfoData)
|
|
LOG_ERROR(LastError, L"Failed for adapter %u", DevInfoData->DevInst);
|
|
else
|
|
LOG_ERROR(LastError, L"Failed");
|
|
SetLastError(LastError);
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != NULL)
|
|
_Post_maybenull_
|
|
_Post_writable_byte_size_(*BufLen)
|
|
VOID *
|
|
GetDeviceRegistryProperty(
|
|
_In_ HDEVINFO DevInfo,
|
|
_In_ SP_DEVINFO_DATA *DevInfoData,
|
|
_In_ DWORD Property,
|
|
_Out_opt_ DWORD *ValueType,
|
|
_Inout_ DWORD *BufLen)
|
|
{
|
|
for (;;)
|
|
{
|
|
BYTE *Data = Alloc(*BufLen);
|
|
if (!Data)
|
|
return NULL;
|
|
if (SetupDiGetDeviceRegistryPropertyW(DevInfo, DevInfoData, Property, ValueType, Data, *BufLen, BufLen))
|
|
return Data;
|
|
DWORD LastError = GetLastError();
|
|
Free(Data);
|
|
if (LastError != ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
SetLastError(
|
|
LOG_ERROR(LastError, L"Failed to query adapter %u property 0x%x", DevInfoData->DevInst, Property));
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != NULL)
|
|
_Post_maybenull_
|
|
LPWSTR
|
|
GetDeviceRegistryString(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData, _In_ DWORD Property)
|
|
{
|
|
DWORD LastError, ValueType, Size = 256 * sizeof(WCHAR);
|
|
LPWSTR Buf = GetDeviceRegistryProperty(DevInfo, DevInfoData, Property, &ValueType, &Size);
|
|
if (!Buf)
|
|
return NULL;
|
|
switch (ValueType)
|
|
{
|
|
case REG_SZ:
|
|
case REG_EXPAND_SZ:
|
|
case REG_MULTI_SZ:
|
|
if (RegistryGetString(&Buf, Size / sizeof(*Buf), ValueType))
|
|
return Buf;
|
|
LastError = GetLastError();
|
|
break;
|
|
default:
|
|
LOG(WINTUN_LOG_ERR,
|
|
L"Adapter %u property 0x%x is not a string (type: %u)",
|
|
DevInfoData->DevInst,
|
|
Property,
|
|
ValueType);
|
|
LastError = ERROR_INVALID_DATATYPE;
|
|
}
|
|
Free(Buf);
|
|
SetLastError(LastError);
|
|
return NULL;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != NULL)
|
|
_Post_maybenull_
|
|
PZZWSTR
|
|
GetDeviceRegistryMultiString(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData, _In_ DWORD Property)
|
|
{
|
|
DWORD LastError, ValueType, Size = 256 * sizeof(WCHAR);
|
|
PZZWSTR Buf = GetDeviceRegistryProperty(DevInfo, DevInfoData, Property, &ValueType, &Size);
|
|
if (!Buf)
|
|
return NULL;
|
|
switch (ValueType)
|
|
{
|
|
case REG_SZ:
|
|
case REG_EXPAND_SZ:
|
|
case REG_MULTI_SZ:
|
|
if (RegistryGetMultiString(&Buf, Size / sizeof(*Buf), ValueType))
|
|
return Buf;
|
|
LastError = GetLastError();
|
|
break;
|
|
default:
|
|
LOG(WINTUN_LOG_ERR,
|
|
L"Adapter %u property 0x%x is not a string (type: %u)",
|
|
DevInfoData->DevInst,
|
|
Property,
|
|
ValueType);
|
|
LastError = ERROR_INVALID_DATATYPE;
|
|
}
|
|
Free(Buf);
|
|
SetLastError(LastError);
|
|
return NULL;
|
|
}
|
|
|
|
static BOOL
|
|
IsOurHardwareID(_In_z_ PCZZWSTR Hwids)
|
|
{
|
|
for (; Hwids[0]; Hwids += wcslen(Hwids) + 1)
|
|
if (!_wcsicmp(Hwids, WINTUN_HWID))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static BOOL
|
|
IsOurAdapter(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
|
|
{
|
|
PZZWSTR Hwids = GetDeviceRegistryMultiString(DevInfo, DevInfoData, SPDRP_HARDWAREID);
|
|
if (!Hwids)
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to get adapter %u hardware ID", DevInfoData->DevInst);
|
|
return FALSE;
|
|
}
|
|
BOOL IsOurs = IsOurHardwareID(Hwids);
|
|
Free(Hwids);
|
|
return IsOurs;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != NULL)
|
|
_Post_maybenull_
|
|
LPWSTR
|
|
GetDeviceObjectFileName(_In_z_ LPCWSTR InstanceId)
|
|
{
|
|
ULONG InterfacesLen;
|
|
DWORD LastError = CM_MapCrToWin32Err(
|
|
CM_Get_Device_Interface_List_SizeW(
|
|
&InterfacesLen,
|
|
(GUID *)&GUID_DEVINTERFACE_NET,
|
|
(DEVINSTID_W)InstanceId,
|
|
CM_GET_DEVICE_INTERFACE_LIST_PRESENT),
|
|
ERROR_GEN_FAILURE);
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
SetLastError(LOG_ERROR(LastError, L"Failed to query adapter %s associated instances size", InstanceId));
|
|
return NULL;
|
|
}
|
|
LPWSTR Interfaces = AllocArray(InterfacesLen, sizeof(*Interfaces));
|
|
if (!Interfaces)
|
|
return NULL;
|
|
LastError = CM_MapCrToWin32Err(
|
|
CM_Get_Device_Interface_ListW(
|
|
(GUID *)&GUID_DEVINTERFACE_NET,
|
|
(DEVINSTID_W)InstanceId,
|
|
Interfaces,
|
|
InterfacesLen,
|
|
CM_GET_DEVICE_INTERFACE_LIST_PRESENT),
|
|
ERROR_GEN_FAILURE);
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
LOG_ERROR(LastError, L"Failed to get adapter %s associated instances", InstanceId);
|
|
Free(Interfaces);
|
|
SetLastError(LastError);
|
|
return NULL;
|
|
}
|
|
if (!Interfaces[0])
|
|
{
|
|
Free(Interfaces);
|
|
SetLastError(ERROR_DEVICE_NOT_AVAILABLE);
|
|
return NULL;
|
|
}
|
|
return Interfaces;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != INVALID_HANDLE_VALUE)
|
|
HANDLE
|
|
OpenDeviceObject(_In_z_ LPCWSTR InstanceId)
|
|
{
|
|
LPWSTR Filename = GetDeviceObjectFileName(InstanceId);
|
|
if (!Filename)
|
|
return INVALID_HANDLE_VALUE;
|
|
HANDLE Handle = CreateFileW(
|
|
Filename,
|
|
GENERIC_READ | GENERIC_WRITE,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
0,
|
|
NULL);
|
|
if (Handle == INVALID_HANDLE_VALUE)
|
|
LOG_LAST_ERROR(L"Failed to connect to adapter %s associated instance %s", InstanceId, Filename);
|
|
Free(Filename);
|
|
return Handle;
|
|
}
|
|
|
|
static BOOL
|
|
EnsureDeviceObject(_In_z_ LPCWSTR InstanceId)
|
|
{
|
|
LPWSTR Filename = GetDeviceObjectFileName(InstanceId);
|
|
if (!Filename)
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to determine adapter %s device object", InstanceId);
|
|
return FALSE;
|
|
}
|
|
BOOL Exists = TRUE;
|
|
const int Attempts = 100;
|
|
for (int i = 0; i < Attempts; ++i)
|
|
{
|
|
HANDLE Handle = CreateFileW(Filename, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
|
|
if (Handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
CloseHandle(Handle);
|
|
goto out;
|
|
}
|
|
if (i != Attempts - 1)
|
|
Sleep(50);
|
|
}
|
|
Exists = FALSE;
|
|
LOG_LAST_ERROR(L"Failed to connect to adapter %s associated instance %s", InstanceId, Filename);
|
|
out:
|
|
Free(Filename);
|
|
return Exists;
|
|
}
|
|
|
|
#define TUN_IOCTL_FORCE_CLOSE_HANDLES CTL_CODE(51820U, 0x971U, METHOD_NEITHER, FILE_READ_DATA | FILE_WRITE_DATA)
|
|
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
ForceCloseWintunAdapterHandle(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
|
|
{
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
DWORD RequiredBytes;
|
|
if (SetupDiGetDeviceInstanceIdW(DevInfo, DevInfoData, NULL, 0, &RequiredBytes) ||
|
|
(LastError = GetLastError()) != ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
LOG_ERROR(LastError, L"Failed to query adapter %u instance ID size", DevInfoData->DevInst);
|
|
return FALSE;
|
|
}
|
|
LastError = ERROR_SUCCESS;
|
|
LPWSTR InstanceId = ZallocArray(RequiredBytes, sizeof(*InstanceId));
|
|
if (!InstanceId)
|
|
return FALSE;
|
|
if (!SetupDiGetDeviceInstanceIdW(DevInfo, DevInfoData, InstanceId, RequiredBytes, &RequiredBytes))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get adapter %u instance ID", DevInfoData->DevInst);
|
|
goto cleanupInstanceId;
|
|
}
|
|
HANDLE NdisHandle = OpenDeviceObject(InstanceId);
|
|
if (NdisHandle == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get adapter %u object", DevInfoData->DevInst);
|
|
goto cleanupInstanceId;
|
|
}
|
|
if (DeviceIoControl(NdisHandle, TUN_IOCTL_FORCE_CLOSE_HANDLES, NULL, 0, NULL, 0, &RequiredBytes, NULL))
|
|
{
|
|
LastError = ERROR_SUCCESS;
|
|
Sleep(200);
|
|
}
|
|
else if (GetLastError() == ERROR_NOTHING_TO_TERMINATE)
|
|
LastError = ERROR_SUCCESS;
|
|
else
|
|
LastError = LOG_LAST_ERROR(L"Failed to perform ioctl on adapter %u", DevInfoData->DevInst);
|
|
CloseHandle(NdisHandle);
|
|
cleanupInstanceId:
|
|
Free(InstanceId);
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
DisableAllOurAdapters(_In_ HDEVINFO DevInfo, _Inout_ SP_DEVINFO_DATA_LIST **DisabledAdapters)
|
|
{
|
|
SP_PROPCHANGE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_PROPERTYCHANGE },
|
|
.StateChange = DICS_DISABLE,
|
|
.Scope = DICS_FLAG_GLOBAL };
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
for (DWORD EnumIndex = 0;; ++EnumIndex)
|
|
{
|
|
SP_DEVINFO_DATA_LIST *DeviceNode = Zalloc(sizeof(*DeviceNode));
|
|
if (!DeviceNode)
|
|
return FALSE;
|
|
DeviceNode->Data.cbSize = sizeof(SP_DEVINFO_DATA);
|
|
if (!SetupDiEnumDeviceInfo(DevInfo, EnumIndex, &DeviceNode->Data))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
{
|
|
Free(DeviceNode);
|
|
break;
|
|
}
|
|
goto cleanupDeviceNode;
|
|
}
|
|
if (!IsOurAdapter(DevInfo, &DeviceNode->Data))
|
|
goto cleanupDeviceNode;
|
|
|
|
ULONG Status, ProblemCode;
|
|
if (CM_Get_DevNode_Status(&Status, &ProblemCode, DeviceNode->Data.DevInst, 0) != CR_SUCCESS ||
|
|
((Status & DN_HAS_PROBLEM) && ProblemCode == CM_PROB_DISABLED))
|
|
goto cleanupDeviceNode;
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Force closing all adapter %u open handles", DeviceNode->Data.DevInst);
|
|
if (!ForceCloseWintunAdapterHandle(DevInfo, &DeviceNode->Data))
|
|
LOG(WINTUN_LOG_WARN, L"Failed to force close adapter %u handles", DeviceNode->Data.DevInst);
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Disabling adapter %u", DeviceNode->Data.DevInst);
|
|
if (!SetupDiSetClassInstallParamsW(DevInfo, &DeviceNode->Data, &Params.ClassInstallHeader, sizeof(Params)) ||
|
|
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, DevInfo, &DeviceNode->Data))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to disable adapter %u", DeviceNode->Data.DevInst);
|
|
LastError = LastError != ERROR_SUCCESS ? LastError : GetLastError();
|
|
goto cleanupDeviceNode;
|
|
}
|
|
|
|
DeviceNode->Next = *DisabledAdapters;
|
|
*DisabledAdapters = DeviceNode;
|
|
continue;
|
|
|
|
cleanupDeviceNode:
|
|
Free(DeviceNode);
|
|
}
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
EnableAllOurAdapters(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA_LIST *AdaptersToEnable)
|
|
{
|
|
SP_PROPCHANGE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_PROPERTYCHANGE },
|
|
.StateChange = DICS_ENABLE,
|
|
.Scope = DICS_FLAG_GLOBAL };
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
for (SP_DEVINFO_DATA_LIST *DeviceNode = AdaptersToEnable; DeviceNode; DeviceNode = DeviceNode->Next)
|
|
{
|
|
LOG(WINTUN_LOG_INFO, L"Enabling adapter %u", DeviceNode->Data.DevInst);
|
|
if (!SetupDiSetClassInstallParamsW(DevInfo, &DeviceNode->Data, &Params.ClassInstallHeader, sizeof(Params)) ||
|
|
!SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, DevInfo, &DeviceNode->Data))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to enable adapter %u", DeviceNode->Data.DevInst);
|
|
LastError = LastError != ERROR_SUCCESS ? LastError : GetLastError();
|
|
}
|
|
}
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
static BOOL
|
|
CheckReboot(_In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
|
|
{
|
|
SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(SP_DEVINSTALL_PARAMS_W) };
|
|
if (!SetupDiGetDeviceInstallParamsW(DevInfo, DevInfoData, &DevInstallParams))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to retrieve adapter %u device installation parameters", DevInfoData->DevInst);
|
|
return FALSE;
|
|
}
|
|
SetLastError(ERROR_SUCCESS);
|
|
return (DevInstallParams.Flags & (DI_NEEDREBOOT | DI_NEEDRESTART)) != 0;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
GetPoolDeviceTypeName(_In_z_ LPCWSTR Pool, _Out_writes_z_(MAX_POOL_DEVICE_TYPE) LPWSTR Name)
|
|
{
|
|
if (_snwprintf_s(Name, MAX_POOL_DEVICE_TYPE, _TRUNCATE, L"%s Tunnel", Pool) == -1)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Pool name too long: %s", Pool);
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL
|
|
IsPoolMember(_In_z_ LPCWSTR Pool, _In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
|
|
{
|
|
WCHAR PoolProp[MAX_POOL_DEVICE_TYPE];
|
|
DEVPROPTYPE PropType;
|
|
if (!SetupDiGetDevicePropertyW(
|
|
DevInfo, DevInfoData, &DEVPKEY_Wintun_Pool, &PropType, (PBYTE)PoolProp, sizeof(PoolProp), NULL, 0))
|
|
return FALSE;
|
|
if (PropType != DEVPROP_TYPE_STRING)
|
|
{
|
|
SetLastError(ERROR_BAD_DEVICE);
|
|
return FALSE;
|
|
}
|
|
SetLastError(ERROR_SUCCESS);
|
|
return !_wcsicmp(PoolProp, Pool);
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
PopulateAdapterData(_Inout_ WINTUN_ADAPTER *Adapter, _In_z_ LPCWSTR Pool)
|
|
{
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
|
|
/* Open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\<class>\<id> registry key. */
|
|
HKEY Key =
|
|
SetupDiOpenDevRegKey(Adapter->DevInfo, &Adapter->DevInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DRV, KEY_QUERY_VALUE);
|
|
if (Key == INVALID_HANDLE_VALUE)
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to open adapter %u device registry key", Adapter->DevInfoData.DevInst);
|
|
return FALSE;
|
|
}
|
|
|
|
LPWSTR ValueStr = RegistryQueryString(Key, L"NetCfgInstanceId", TRUE);
|
|
if (!ValueStr)
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(Key, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %.*s\\NetCfgInstanceId", MAX_REG_PATH, RegPath);
|
|
goto cleanupKey;
|
|
}
|
|
if (FAILED(CLSIDFromString(ValueStr, &Adapter->CfgInstanceID)))
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(Key, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"%.*s\\NetCfgInstanceId is not a GUID: %s", MAX_REG_PATH, RegPath, ValueStr);
|
|
Free(ValueStr);
|
|
goto cleanupKey;
|
|
}
|
|
Free(ValueStr);
|
|
|
|
if (!RegistryQueryDWORD(Key, L"NetLuidIndex", &Adapter->LuidIndex, TRUE))
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(Key, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %.*s\\NetLuidIndex", MAX_REG_PATH, RegPath);
|
|
goto cleanupKey;
|
|
}
|
|
|
|
if (!RegistryQueryDWORD(Key, L"*IfType", &Adapter->IfType, TRUE))
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(Key, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %.*s\\*IfType", MAX_REG_PATH, RegPath);
|
|
goto cleanupKey;
|
|
}
|
|
|
|
DWORD Size;
|
|
if (!SetupDiGetDeviceInstanceIdW(
|
|
Adapter->DevInfo, &Adapter->DevInfoData, Adapter->DevInstanceID, _countof(Adapter->DevInstanceID), &Size))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get adapter %u instance ID", Adapter->DevInfoData.DevInst);
|
|
goto cleanupKey;
|
|
}
|
|
|
|
if (wcsncpy_s(Adapter->Pool, _countof(Adapter->Pool), Pool, _TRUNCATE) == STRUNCATE)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Pool name too long: %s", Pool);
|
|
LastError = ERROR_INVALID_PARAMETER;
|
|
goto cleanupKey;
|
|
}
|
|
|
|
cleanupKey:
|
|
RegCloseKey(Key);
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
VOID WINAPI
|
|
WintunFreeAdapter(WINTUN_ADAPTER *Adapter)
|
|
{
|
|
if (!Adapter)
|
|
return;
|
|
if (Adapter->DevInfo)
|
|
SetupDiDestroyDeviceInfoList(Adapter->DevInfo);
|
|
Free(Adapter);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
BOOL WINAPI
|
|
WintunGetAdapterName(WINTUN_ADAPTER *Adapter, LPWSTR Name)
|
|
{
|
|
DEVPROPTYPE PropType;
|
|
if (!SetupDiGetDevicePropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&DEVPKEY_Wintun_Name,
|
|
&PropType,
|
|
(PBYTE)Name,
|
|
MAX_ADAPTER_NAME * sizeof(*Name),
|
|
NULL,
|
|
0))
|
|
return FALSE;
|
|
if (PropType != DEVPROP_TYPE_STRING || !*Name)
|
|
{
|
|
SetLastError(ERROR_BAD_DEVICE);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
ConvertInterfaceAliasToGuid(_In_z_ LPCWSTR Name, _Out_ GUID *Guid)
|
|
{
|
|
NET_LUID Luid;
|
|
DWORD LastError = ConvertInterfaceAliasToLuid(Name, &Luid);
|
|
if (LastError != NO_ERROR)
|
|
{
|
|
SetLastError(LOG_ERROR(LastError, L"Failed convert interface %s name to the locally unique identifier", Name));
|
|
return FALSE;
|
|
}
|
|
LastError = ConvertInterfaceLuidToGuid(&Luid, Guid);
|
|
if (LastError != NO_ERROR)
|
|
{
|
|
SetLastError(LOG_ERROR(LastError, L"Failed to convert interface %s LUID (%I64u) to GUID", Name, Luid.Value));
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
BOOL WINAPI
|
|
WintunSetAdapterName(WINTUN_ADAPTER *Adapter, LPCWSTR Name)
|
|
{
|
|
const int MaxSuffix = 1000;
|
|
WCHAR AvailableName[MAX_ADAPTER_NAME];
|
|
if (wcsncpy_s(AvailableName, _countof(AvailableName), Name, _TRUNCATE) == STRUNCATE)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Adapter name too long: %s", Name);
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
if (!SetupDiSetDevicePropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&DEVPKEY_Wintun_Name,
|
|
DEVPROP_TYPE_STRING,
|
|
#pragma warning(suppress : 4090)
|
|
(const BYTE *)Name,
|
|
(DWORD)((wcslen(Name) + 1) * sizeof(*Name)),
|
|
0))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to set adapter %u name", Adapter->DevInfoData.DevInst);
|
|
return FALSE;
|
|
}
|
|
|
|
for (int i = 0;; ++i)
|
|
{
|
|
DWORD LastError = NciSetConnectionName(&Adapter->CfgInstanceID, AvailableName);
|
|
if (LastError == ERROR_DUP_NAME)
|
|
{
|
|
GUID Guid2;
|
|
if (ConvertInterfaceAliasToGuid(AvailableName, &Guid2))
|
|
{
|
|
for (int j = 0; j < MaxSuffix; ++j)
|
|
{
|
|
WCHAR Proposal[MAX_ADAPTER_NAME];
|
|
if (_snwprintf_s(Proposal, _countof(Proposal), _TRUNCATE, L"%s %d", Name, j + 1) == -1)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Adapter name too long: %s %d", Name, j + 1);
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
if (_wcsnicmp(Proposal, AvailableName, MAX_ADAPTER_NAME) == 0)
|
|
continue;
|
|
DWORD LastError2 = NciSetConnectionName(&Guid2, Proposal);
|
|
if (LastError2 == ERROR_DUP_NAME)
|
|
continue;
|
|
if (LastError2 == ERROR_SUCCESS)
|
|
{
|
|
LastError = NciSetConnectionName(&Adapter->CfgInstanceID, AvailableName);
|
|
if (LastError == ERROR_SUCCESS)
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (LastError == ERROR_SUCCESS)
|
|
break;
|
|
if (i >= MaxSuffix || LastError != ERROR_DUP_NAME)
|
|
{
|
|
SetLastError(LOG_ERROR(LastError, L"Failed to set adapter name"));
|
|
return FALSE;
|
|
}
|
|
if (_snwprintf_s(AvailableName, _countof(AvailableName), _TRUNCATE, L"%s %d", Name, i + 1) == -1)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Adapter name too long: %s %d", Name, i + 1);
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (!SetupDiSetDevicePropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&DEVPKEY_Wintun_Pool,
|
|
DEVPROP_TYPE_STRING,
|
|
#pragma warning(suppress : 4090)
|
|
(const BYTE *)Adapter->Pool,
|
|
(DWORD)((wcslen(Adapter->Pool) + 1) * sizeof(*Adapter->Pool)),
|
|
0))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to set adapter %u pool", Adapter->DevInfoData.DevInst);
|
|
return FALSE;
|
|
}
|
|
|
|
WCHAR PoolDeviceTypeName[MAX_POOL_DEVICE_TYPE];
|
|
if (!GetPoolDeviceTypeName(Adapter->Pool, PoolDeviceTypeName))
|
|
return FALSE;
|
|
if (!SetupDiSetDeviceRegistryPropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
SPDRP_FRIENDLYNAME,
|
|
(const BYTE *)PoolDeviceTypeName,
|
|
(DWORD)((wcslen(PoolDeviceTypeName) + 1) * sizeof(*PoolDeviceTypeName))))
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to set adapter %u friendly name", Adapter->DevInfoData.DevInst);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
WINTUN_ADAPTER_HANDLE WINAPI
|
|
WintunOpenAdapter(LPCWSTR Pool, LPCWSTR Name)
|
|
{
|
|
WINTUN_ADAPTER *Adapter = Zalloc(sizeof(*Adapter));
|
|
if (!Adapter)
|
|
return FALSE;
|
|
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
HANDLE Mutex = NamespaceTakePoolMutex(Pool);
|
|
if (!Mutex)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to take %s pool mutex", Pool);
|
|
goto cleanup;
|
|
}
|
|
|
|
Adapter->DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
|
if (Adapter->DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get present adapters");
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
Adapter->DevInfoData.cbSize = sizeof(Adapter->DevInfoData);
|
|
for (DWORD EnumIndex = 0;; ++EnumIndex)
|
|
{
|
|
if (!SetupDiEnumDeviceInfo(Adapter->DevInfo, EnumIndex, &Adapter->DevInfoData))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
continue;
|
|
}
|
|
|
|
WCHAR Name2[MAX_ADAPTER_NAME];
|
|
if (!WintunGetAdapterName(Adapter, Name2))
|
|
continue;
|
|
if (_wcsicmp(Name, Name2))
|
|
continue;
|
|
|
|
/* Check the Hardware ID to make sure it's a real Wintun device. */
|
|
if (!IsOurAdapter(Adapter->DevInfo, &Adapter->DevInfoData))
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Foreign adapter %u named %s exists", Adapter->DevInfoData.DevInst, Name);
|
|
LastError = ERROR_ALREADY_EXISTS;
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
if (!IsPoolMember(Pool, Adapter->DevInfo, &Adapter->DevInfoData))
|
|
{
|
|
if ((LastError = GetLastError()) == ERROR_SUCCESS)
|
|
{
|
|
LOG(WINTUN_LOG_ERR,
|
|
L"Adapter %u named %s is not a member of %s pool",
|
|
Adapter->DevInfoData.DevInst,
|
|
Name,
|
|
Pool);
|
|
LastError = ERROR_ALREADY_EXISTS;
|
|
goto cleanupMutex;
|
|
}
|
|
else
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to get adapter %u pool membership", Adapter->DevInfoData.DevInst);
|
|
goto cleanupMutex;
|
|
}
|
|
}
|
|
|
|
if (!PopulateAdapterData(Adapter, Pool))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to populate adapter %u data", Adapter->DevInfoData.DevInst);
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
if (!EnsureDeviceObject(Adapter->DevInstanceID))
|
|
{
|
|
LastError = GetLastError();
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
/* Our comparison was case-insensitive, and we also might want to reenforce the NCI connection. */
|
|
WintunSetAdapterName(Adapter, Name);
|
|
|
|
LastError = ERROR_SUCCESS;
|
|
goto cleanupMutex;
|
|
}
|
|
LastError = ERROR_FILE_NOT_FOUND;
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
cleanup:
|
|
if (LastError != ERROR_SUCCESS)
|
|
WintunFreeAdapter(Adapter);
|
|
return RET_ERROR(Adapter, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
VOID WINAPI
|
|
WintunGetAdapterLUID(WINTUN_ADAPTER *Adapter, NET_LUID *Luid)
|
|
{
|
|
Luid->Info.Reserved = 0;
|
|
Luid->Info.NetLuidIndex = Adapter->LuidIndex;
|
|
Luid->Info.IfType = Adapter->IfType;
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HANDLE WINAPI
|
|
AdapterOpenDeviceObject(const WINTUN_ADAPTER *Adapter)
|
|
{
|
|
return OpenDeviceObject(Adapter->DevInstanceID);
|
|
}
|
|
|
|
static BOOL
|
|
IsOurDrvInfoDetail(_In_ const SP_DRVINFO_DETAIL_DATA_W *DrvInfoDetailData)
|
|
{
|
|
if (DrvInfoDetailData->CompatIDsOffset > 1 && !_wcsicmp(DrvInfoDetailData->HardwareID, WINTUN_HWID))
|
|
return TRUE;
|
|
if (DrvInfoDetailData->CompatIDsLength &&
|
|
IsOurHardwareID(DrvInfoDetailData->HardwareID + DrvInfoDetailData->CompatIDsOffset))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static BOOL
|
|
IsNewer(
|
|
_In_ const FILETIME *DriverDate1,
|
|
_In_ DWORDLONG DriverVersion1,
|
|
_In_ const FILETIME *DriverDate2,
|
|
_In_ DWORDLONG DriverVersion2)
|
|
{
|
|
if (DriverDate1->dwHighDateTime > DriverDate2->dwHighDateTime)
|
|
return TRUE;
|
|
if (DriverDate1->dwHighDateTime < DriverDate2->dwHighDateTime)
|
|
return FALSE;
|
|
|
|
if (DriverDate1->dwLowDateTime > DriverDate2->dwLowDateTime)
|
|
return TRUE;
|
|
if (DriverDate1->dwLowDateTime < DriverDate2->dwLowDateTime)
|
|
return FALSE;
|
|
|
|
if (DriverVersion1 > DriverVersion2)
|
|
return TRUE;
|
|
if (DriverVersion1 < DriverVersion2)
|
|
return FALSE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
GetTcpipAdapterRegPath(_In_ const WINTUN_ADAPTER *Adapter, _Out_writes_z_(MAX_REG_PATH) LPWSTR Path)
|
|
{
|
|
WCHAR Guid[MAX_GUID_STRING_LEN];
|
|
if (_snwprintf_s(
|
|
Path,
|
|
MAX_REG_PATH,
|
|
_TRUNCATE,
|
|
L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Adapters\\%.*s",
|
|
StringFromGUID2(&Adapter->CfgInstanceID, Guid, _countof(Guid)),
|
|
Guid) == -1)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Registry path too long");
|
|
SetLastError(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
GetTcpipInterfaceRegPath(_In_ const WINTUN_ADAPTER *Adapter, _Out_writes_z_(MAX_REG_PATH) LPWSTR Path)
|
|
{
|
|
HKEY TcpipAdapterRegKey;
|
|
WCHAR TcpipAdapterRegPath[MAX_REG_PATH];
|
|
if (!GetTcpipAdapterRegPath(Adapter, TcpipAdapterRegPath))
|
|
return FALSE;
|
|
DWORD LastError = RegOpenKeyExW(HKEY_LOCAL_MACHINE, TcpipAdapterRegPath, 0, KEY_QUERY_VALUE, &TcpipAdapterRegKey);
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
SetLastError(LOG_ERROR(LastError, L"Failed to open registry key %s", TcpipAdapterRegPath));
|
|
return FALSE;
|
|
}
|
|
LPWSTR Paths = RegistryQueryString(TcpipAdapterRegKey, L"IpConfig", TRUE);
|
|
if (!Paths)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %s\\IpConfig", TcpipAdapterRegPath);
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
if (!Paths[0])
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"%s\\IpConfig is empty", TcpipAdapterRegPath);
|
|
LastError = ERROR_INVALID_DATA;
|
|
goto cleanupPaths;
|
|
}
|
|
if (_snwprintf_s(Path, MAX_REG_PATH, _TRUNCATE, L"SYSTEM\\CurrentControlSet\\Services\\%s", Paths) == -1)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Registry path too long: %s", Paths);
|
|
LastError = ERROR_INVALID_PARAMETER;
|
|
goto cleanupPaths;
|
|
}
|
|
cleanupPaths:
|
|
Free(Paths);
|
|
cleanupTcpipAdapterRegKey:
|
|
RegCloseKey(TcpipAdapterRegKey);
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
static _Return_type_success_(return != 0)
|
|
DWORD
|
|
VersionOfFile(_In_z_ LPCWSTR Filename)
|
|
{
|
|
DWORD Zero;
|
|
DWORD Len = GetFileVersionInfoSizeW(Filename, &Zero);
|
|
if (!Len)
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to query %s version info size", Filename);
|
|
return 0;
|
|
}
|
|
VOID *VersionInfo = Alloc(Len);
|
|
if (!VersionInfo)
|
|
return 0;
|
|
DWORD LastError = ERROR_SUCCESS, Version = 0;
|
|
VS_FIXEDFILEINFO *FixedInfo;
|
|
UINT FixedInfoLen = sizeof(*FixedInfo);
|
|
if (!GetFileVersionInfoW(Filename, 0, Len, VersionInfo))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get %s version info", Filename);
|
|
goto out;
|
|
}
|
|
if (!VerQueryValueW(VersionInfo, L"\\", &FixedInfo, &FixedInfoLen))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get %s version info root", Filename);
|
|
goto out;
|
|
}
|
|
Version = FixedInfo->dwFileVersionMS;
|
|
if (!Version)
|
|
{
|
|
LOG(WINTUN_LOG_WARN, L"Determined version of %s, but was v0.0, so returning failure", Filename);
|
|
LastError = ERROR_VERSION_PARSE_ERROR;
|
|
}
|
|
out:
|
|
Free(VersionInfo);
|
|
return RET_ERROR(Version, LastError);
|
|
}
|
|
|
|
static DWORD WINAPI
|
|
MaybeGetRunningDriverVersion(BOOL ReturnOneIfRunningInsteadOfVersion)
|
|
{
|
|
PRTL_PROCESS_MODULES Modules;
|
|
ULONG BufferSize = 128 * 1024;
|
|
for (;;)
|
|
{
|
|
Modules = Alloc(BufferSize);
|
|
if (!Modules)
|
|
return 0;
|
|
NTSTATUS Status = NtQuerySystemInformation(SystemModuleInformation, Modules, BufferSize, &BufferSize);
|
|
if (NT_SUCCESS(Status))
|
|
break;
|
|
Free(Modules);
|
|
if (Status == STATUS_INFO_LENGTH_MISMATCH)
|
|
continue;
|
|
LOG(WINTUN_LOG_ERR, L"Failed to enumerate drivers (status: 0x%x)", Status);
|
|
SetLastError(RtlNtStatusToDosError(Status));
|
|
return 0;
|
|
}
|
|
DWORD LastError = ERROR_SUCCESS, Version = 0;
|
|
for (ULONG i = Modules->NumberOfModules; i-- > 0;)
|
|
{
|
|
LPCSTR NtPath = (LPCSTR)Modules->Modules[i].FullPathName;
|
|
if (!_stricmp(&NtPath[Modules->Modules[i].OffsetToFileName], "wintun.sys"))
|
|
{
|
|
if (ReturnOneIfRunningInsteadOfVersion)
|
|
{
|
|
Version = 1;
|
|
goto cleanupModules;
|
|
}
|
|
WCHAR FilePath[MAX_PATH * 3 + 15];
|
|
if (_snwprintf_s(FilePath, _countof(FilePath), _TRUNCATE, L"\\\\?\\GLOBALROOT%S", NtPath) == -1)
|
|
continue;
|
|
Version = VersionOfFile(FilePath);
|
|
if (!Version)
|
|
LastError = GetLastError();
|
|
goto cleanupModules;
|
|
}
|
|
}
|
|
LastError = ERROR_FILE_NOT_FOUND;
|
|
cleanupModules:
|
|
Free(Modules);
|
|
return RET_ERROR(Version, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
DWORD WINAPI WintunGetRunningDriverVersion(VOID)
|
|
{
|
|
return MaybeGetRunningDriverVersion(FALSE);
|
|
}
|
|
|
|
static BOOL EnsureWintunUnloaded(VOID)
|
|
{
|
|
BOOL Loaded;
|
|
for (int i = 0; (Loaded = MaybeGetRunningDriverVersion(TRUE) != 0) != FALSE && i < 300; ++i)
|
|
Sleep(50);
|
|
return !Loaded;
|
|
}
|
|
|
|
static VOID
|
|
SelectDriverDeferredCleanup(_In_ HDEVINFO DevInfoExistingAdapters, _In_opt_ SP_DEVINFO_DATA_LIST *ExistingAdapters)
|
|
{
|
|
if (ExistingAdapters)
|
|
{
|
|
EnableAllOurAdapters(DevInfoExistingAdapters, ExistingAdapters);
|
|
while (ExistingAdapters)
|
|
{
|
|
SP_DEVINFO_DATA_LIST *Next = ExistingAdapters->Next;
|
|
Free(ExistingAdapters);
|
|
ExistingAdapters = Next;
|
|
}
|
|
}
|
|
if (DevInfoExistingAdapters != INVALID_HANDLE_VALUE)
|
|
SetupDiDestroyDeviceInfoList(DevInfoExistingAdapters);
|
|
}
|
|
|
|
_Must_inspect_result_
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
SelectDriver(
|
|
_In_ HDEVINFO DevInfo,
|
|
_In_ SP_DEVINFO_DATA *DevInfoData,
|
|
_Inout_ SP_DEVINSTALL_PARAMS_W *DevInstallParams,
|
|
_Out_ HDEVINFO *DevInfoExistingAdaptersForCleanup,
|
|
_Out_ SP_DEVINFO_DATA_LIST **ExistingAdaptersForCleanup)
|
|
{
|
|
static const FILETIME OurDriverDate = WINTUN_INF_FILETIME;
|
|
static const DWORDLONG OurDriverVersion = WINTUN_INF_VERSION;
|
|
HANDLE DriverInstallationLock = NamespaceTakeDriverInstallationMutex();
|
|
if (!DriverInstallationLock)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to take driver installation mutex");
|
|
return FALSE;
|
|
}
|
|
DWORD LastError;
|
|
if (!SetupDiBuildDriverInfoList(DevInfo, DevInfoData, SPDIT_COMPATDRIVER))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed building adapter %u driver info list", DevInfoData->DevInst);
|
|
goto cleanupDriverInstallationLock;
|
|
}
|
|
BOOL DestroyDriverInfoListOnCleanup = TRUE;
|
|
FILETIME DriverDate = { 0 };
|
|
DWORDLONG DriverVersion = 0;
|
|
HDEVINFO DevInfoExistingAdapters = INVALID_HANDLE_VALUE;
|
|
SP_DEVINFO_DATA_LIST *ExistingAdapters = NULL;
|
|
for (DWORD EnumIndex = 0;; ++EnumIndex)
|
|
{
|
|
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;
|
|
}
|
|
SP_DRVINFO_DETAIL_DATA_W *DrvInfoDetailData = GetAdapterDrvInfoDetail(DevInfo, DevInfoData, &DrvInfoData);
|
|
if (!DrvInfoDetailData)
|
|
{
|
|
LOG(WINTUN_LOG_WARN, L"Failed getting adapter %u driver info detail", DevInfoData->DevInst);
|
|
continue;
|
|
}
|
|
if (!IsOurDrvInfoDetail(DrvInfoDetailData))
|
|
goto next;
|
|
if (IsNewer(&OurDriverDate, OurDriverVersion, &DrvInfoData.DriverDate, DrvInfoData.DriverVersion))
|
|
{
|
|
if (DevInfoExistingAdapters == INVALID_HANDLE_VALUE)
|
|
{
|
|
DevInfoExistingAdapters =
|
|
SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
|
if (DevInfoExistingAdapters == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get present adapters");
|
|
Free(DrvInfoDetailData);
|
|
goto cleanupExistingAdapters;
|
|
}
|
|
_Analysis_assume_(DevInfoExistingAdapters != NULL);
|
|
DisableAllOurAdapters(DevInfoExistingAdapters, &ExistingAdapters);
|
|
LOG(WINTUN_LOG_INFO, L"Waiting for existing driver to unload from kernel");
|
|
if (!EnsureWintunUnloaded())
|
|
LOG(WINTUN_LOG_WARN,
|
|
L"Failed to unload existing driver, which means a reboot will likely be required");
|
|
}
|
|
LOG(WINTUN_LOG_INFO,
|
|
L"Removing existing driver %u.%u",
|
|
(DWORD)((DrvInfoData.DriverVersion & 0xffff000000000000) >> 48),
|
|
(DWORD)((DrvInfoData.DriverVersion & 0x0000ffff00000000) >> 32));
|
|
LPWSTR InfFileName = PathFindFileNameW(DrvInfoDetailData->InfFileName);
|
|
if (!SetupUninstallOEMInfW(InfFileName, SUOI_FORCEDELETE, NULL))
|
|
LOG_LAST_ERROR(L"Unable to remove existing driver %s", InfFileName);
|
|
goto next;
|
|
}
|
|
if (!IsNewer(&DrvInfoData.DriverDate, DrvInfoData.DriverVersion, &DriverDate, DriverVersion))
|
|
goto next;
|
|
if (!SetupDiSetSelectedDriverW(DevInfo, DevInfoData, &DrvInfoData))
|
|
{
|
|
LOG_LAST_ERROR(
|
|
L"Failed to select driver %s for adapter %u", DrvInfoDetailData->InfFileName, DevInfoData->DevInst);
|
|
goto next;
|
|
}
|
|
DriverDate = DrvInfoData.DriverDate;
|
|
DriverVersion = DrvInfoData.DriverVersion;
|
|
next:
|
|
Free(DrvInfoDetailData);
|
|
}
|
|
|
|
if (DriverVersion)
|
|
{
|
|
LOG(WINTUN_LOG_INFO,
|
|
L"Using existing driver %u.%u",
|
|
(DWORD)((DriverVersion & 0xffff000000000000) >> 48),
|
|
(DWORD)((DriverVersion & 0x0000ffff00000000) >> 32));
|
|
LastError = ERROR_SUCCESS;
|
|
DestroyDriverInfoListOnCleanup = FALSE;
|
|
goto cleanupExistingAdapters;
|
|
}
|
|
|
|
LOG(WINTUN_LOG_INFO,
|
|
L"Installing driver %u.%u",
|
|
(DWORD)((OurDriverVersion & 0xffff000000000000) >> 48),
|
|
(DWORD)((OurDriverVersion & 0x0000ffff00000000) >> 32));
|
|
WCHAR RandomTempSubDirectory[MAX_PATH];
|
|
if (!ResourceCreateTemporaryDirectory(RandomTempSubDirectory))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to create temporary folder %s", RandomTempSubDirectory);
|
|
goto cleanupExistingAdapters;
|
|
}
|
|
|
|
WCHAR CatPath[MAX_PATH] = { 0 };
|
|
WCHAR SysPath[MAX_PATH] = { 0 };
|
|
WCHAR InfPath[MAX_PATH] = { 0 };
|
|
WCHAR DownlevelShimPath[MAX_PATH] = { 0 };
|
|
|
|
if (!PathCombineW(CatPath, RandomTempSubDirectory, L"wintun.cat") ||
|
|
!PathCombineW(SysPath, RandomTempSubDirectory, L"wintun.sys") ||
|
|
!PathCombineW(InfPath, RandomTempSubDirectory, L"wintun.inf"))
|
|
{
|
|
LastError = ERROR_BUFFER_OVERFLOW;
|
|
goto cleanupDirectory;
|
|
}
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Extracting driver");
|
|
if (!ResourceCopyToFile(CatPath, L"wintun.cat") || !ResourceCopyToFile(SysPath, L"wintun.sys") ||
|
|
!ResourceCopyToFile(InfPath, L"wintun.inf"))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to extract driver");
|
|
goto cleanupDelete;
|
|
}
|
|
|
|
WCHAR *WintrustKeyOriginalValue = NULL;
|
|
HKEY WintrustKey = NULL;
|
|
if (!IsWindows10)
|
|
{
|
|
LOG(WINTUN_LOG_INFO, L"Shimming downlevel driver loader");
|
|
if (!PathCombineW(DownlevelShimPath, RandomTempSubDirectory, L"downlevelshim.dll"))
|
|
{
|
|
DownlevelShimPath[0] = L'\0';
|
|
LastError = ERROR_BUFFER_OVERFLOW;
|
|
goto cleanupDelete;
|
|
}
|
|
if (!ResourceCopyToFile(DownlevelShimPath, L"downlevelshim.dll"))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to extract downlevel shim");
|
|
goto cleanupDelete;
|
|
}
|
|
LastError = RegOpenKeyExW(
|
|
HKEY_LOCAL_MACHINE,
|
|
L"SOFTWARE\\Microsoft\\Cryptography\\Providers\\Trust\\FinalPolicy\\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}",
|
|
0,
|
|
KEY_QUERY_VALUE | KEY_SET_VALUE,
|
|
&WintrustKey);
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
LOG_ERROR(LastError, L"Failed to open Wintrust FinalPolicy key");
|
|
goto cleanupDelete;
|
|
}
|
|
WintrustKeyOriginalValue = RegistryQueryString(WintrustKey, L"$DLL", TRUE);
|
|
if (!WintrustKeyOriginalValue)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to read current Wintrust FinalPolicy key");
|
|
goto cleanupWintrustKey;
|
|
}
|
|
LastError = RegSetValueExW(
|
|
WintrustKey,
|
|
L"$DLL",
|
|
0,
|
|
REG_SZ,
|
|
(BYTE *)DownlevelShimPath,
|
|
(DWORD)((wcslen(DownlevelShimPath) + 1) * sizeof(DownlevelShimPath[0])));
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
LOG_ERROR(LastError, L"Failed to set Wintrust FinalPolicy key");
|
|
goto cleanupWintrustChangedKey;
|
|
}
|
|
}
|
|
LOG(WINTUN_LOG_INFO, L"Installing driver");
|
|
WCHAR InfStorePath[MAX_PATH];
|
|
if (!SetupCopyOEMInfW(InfPath, NULL, SPOST_NONE, 0, InfStorePath, MAX_PATH, NULL, NULL))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Could not install driver %s to store", InfPath);
|
|
goto cleanupDelete;
|
|
}
|
|
_Analysis_assume_nullterminated_(InfStorePath);
|
|
|
|
SetupDiDestroyDriverInfoList(DevInfo, DevInfoData, SPDIT_COMPATDRIVER);
|
|
DestroyDriverInfoListOnCleanup = FALSE;
|
|
DevInstallParams->Flags |= DI_ENUMSINGLEINF;
|
|
if (wcsncpy_s(DevInstallParams->DriverPath, _countof(DevInstallParams->DriverPath), InfStorePath, _TRUNCATE) ==
|
|
STRUNCATE)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Inf path too long: %s", InfStorePath);
|
|
LastError = ERROR_INVALID_PARAMETER;
|
|
goto cleanupDelete;
|
|
}
|
|
if (!SetupDiSetDeviceInstallParamsW(DevInfo, DevInfoData, DevInstallParams))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to set adapter %u device installation parameters", DevInfoData->DevInst);
|
|
goto cleanupDelete;
|
|
}
|
|
if (!SetupDiBuildDriverInfoList(DevInfo, DevInfoData, SPDIT_COMPATDRIVER))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed rebuilding adapter %u driver info list", DevInfoData->DevInst);
|
|
goto cleanupDelete;
|
|
}
|
|
DestroyDriverInfoListOnCleanup = TRUE;
|
|
SP_DRVINFO_DATA_W DrvInfoData = { .cbSize = sizeof(SP_DRVINFO_DATA_W) };
|
|
if (!SetupDiEnumDriverInfoW(DevInfo, DevInfoData, SPDIT_COMPATDRIVER, 0, &DrvInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get adapter %u driver", DevInfoData->DevInst);
|
|
goto cleanupDelete;
|
|
}
|
|
if (!SetupDiSetSelectedDriverW(DevInfo, DevInfoData, &DrvInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to set adapter %u driver", DevInfoData->DevInst);
|
|
goto cleanupDelete;
|
|
}
|
|
LastError = ERROR_SUCCESS;
|
|
DestroyDriverInfoListOnCleanup = FALSE;
|
|
|
|
cleanupWintrustChangedKey:
|
|
if (WintrustKeyOriginalValue)
|
|
RegSetValueExW(
|
|
WintrustKey,
|
|
L"$DLL",
|
|
0,
|
|
REG_SZ,
|
|
(BYTE *)WintrustKeyOriginalValue,
|
|
(DWORD)((wcslen(WintrustKeyOriginalValue) + 1) * sizeof(WintrustKeyOriginalValue[0])));
|
|
cleanupWintrustKey:
|
|
if (WintrustKey)
|
|
RegCloseKey(WintrustKey);
|
|
if (WintrustKeyOriginalValue)
|
|
Free(WintrustKeyOriginalValue);
|
|
cleanupDelete:
|
|
DeleteFileW(CatPath);
|
|
DeleteFileW(SysPath);
|
|
DeleteFileW(InfPath);
|
|
if (DownlevelShimPath[0])
|
|
DeleteFileW(DownlevelShimPath);
|
|
cleanupDirectory:
|
|
RemoveDirectoryW(RandomTempSubDirectory);
|
|
cleanupExistingAdapters:
|
|
if (LastError == ERROR_SUCCESS)
|
|
{
|
|
*DevInfoExistingAdaptersForCleanup = DevInfoExistingAdapters;
|
|
*ExistingAdaptersForCleanup = ExistingAdapters;
|
|
}
|
|
else
|
|
SelectDriverDeferredCleanup(DevInfoExistingAdapters, ExistingAdapters);
|
|
if (DestroyDriverInfoListOnCleanup)
|
|
SetupDiDestroyDriverInfoList(DevInfo, DevInfoData, SPDIT_COMPATDRIVER);
|
|
cleanupDriverInstallationLock:
|
|
NamespaceReleaseMutex(DriverInstallationLock);
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
WINTUN_ADAPTER *
|
|
AdapterOpenFromDevInstanceId(LPCWSTR Pool, LPCWSTR DevInstanceID)
|
|
{
|
|
WINTUN_ADAPTER *Adapter = Zalloc(sizeof(*Adapter));
|
|
if (!Adapter)
|
|
return FALSE;
|
|
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
HANDLE Mutex = NamespaceTakePoolMutex(Pool);
|
|
if (!Mutex)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to take %s pool mutex", Pool);
|
|
goto cleanup;
|
|
}
|
|
Adapter->DevInfo = SetupDiCreateDeviceInfoListExW(&GUID_DEVCLASS_NET, NULL, NULL, NULL);
|
|
if (Adapter->DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get present adapters");
|
|
goto cleanupMutex;
|
|
}
|
|
Adapter->DevInfoData.cbSize = sizeof(Adapter->DevInfoData);
|
|
if (!SetupDiOpenDeviceInfoW(Adapter->DevInfo, DevInstanceID, NULL, 0, &Adapter->DevInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to open device instance ID %s", DevInstanceID);
|
|
goto cleanupMutex;
|
|
}
|
|
if (!PopulateAdapterData(Adapter, Pool))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to populate adapter %u data", Adapter->DevInfoData.DevInst);
|
|
goto cleanupMutex;
|
|
}
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
cleanup:
|
|
if (LastError != ERROR_SUCCESS)
|
|
WintunFreeAdapter(Adapter);
|
|
return RET_ERROR(Adapter, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
WINTUN_ADAPTER_HANDLE WINAPI
|
|
WintunCreateAdapter(LPCWSTR Pool, LPCWSTR Name, const GUID *RequestedGUID, BOOL *RebootRequired)
|
|
{
|
|
BOOL DummyRebootRequired;
|
|
if (!RebootRequired)
|
|
RebootRequired = &DummyRebootRequired;
|
|
*RebootRequired = FALSE;
|
|
|
|
#ifdef MAYBE_WOW64
|
|
if (NativeMachine != IMAGE_FILE_PROCESS)
|
|
return CreateAdapterViaRundll32(Pool, Name, RequestedGUID, RebootRequired);
|
|
#endif
|
|
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
LOG(WINTUN_LOG_INFO, L"Creating adapter");
|
|
|
|
if (!IsWindows10)
|
|
RequestedGUID = NULL;
|
|
|
|
WINTUN_ADAPTER *Adapter = Zalloc(sizeof(*Adapter));
|
|
if (!Adapter)
|
|
return NULL;
|
|
|
|
Adapter->DevInfo = SetupDiCreateDeviceInfoListExW(&GUID_DEVCLASS_NET, NULL, NULL, NULL);
|
|
if (Adapter->DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to create empty device information set");
|
|
goto cleanupAdapter;
|
|
}
|
|
WCHAR ClassName[MAX_CLASS_NAME_LEN];
|
|
if (!SetupDiClassNameFromGuidExW(&GUID_DEVCLASS_NET, ClassName, _countof(ClassName), NULL, NULL, NULL))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to retrieve class name associated with class GUID");
|
|
goto cleanupAdapter;
|
|
}
|
|
|
|
WCHAR PoolDeviceTypeName[MAX_POOL_DEVICE_TYPE];
|
|
if (!GetPoolDeviceTypeName(Pool, PoolDeviceTypeName))
|
|
{
|
|
LastError = GetLastError();
|
|
goto cleanupAdapter;
|
|
}
|
|
Adapter->DevInfoData.cbSize = sizeof(Adapter->DevInfoData);
|
|
if (!SetupDiCreateDeviceInfoW(
|
|
Adapter->DevInfo,
|
|
ClassName,
|
|
&GUID_DEVCLASS_NET,
|
|
PoolDeviceTypeName,
|
|
NULL,
|
|
DICD_GENERATE_ID,
|
|
&Adapter->DevInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to create new device information element");
|
|
goto cleanupAdapter;
|
|
}
|
|
SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(DevInstallParams) };
|
|
if (!SetupDiGetDeviceInstallParamsW(Adapter->DevInfo, &Adapter->DevInfoData, &DevInstallParams))
|
|
{
|
|
LastError = LOG_LAST_ERROR(
|
|
L"Failed to retrieve adapter %u device installation parameters", Adapter->DevInfoData.DevInst);
|
|
goto cleanupAdapter;
|
|
}
|
|
DevInstallParams.Flags |= DI_QUIETINSTALL;
|
|
if (!SetupDiSetDeviceInstallParamsW(Adapter->DevInfo, &Adapter->DevInfoData, &DevInstallParams))
|
|
{
|
|
LastError =
|
|
LOG_LAST_ERROR(L"Failed to set adapter %u device installation parameters", Adapter->DevInfoData.DevInst);
|
|
goto cleanupAdapter;
|
|
}
|
|
if (!SetupDiSetSelectedDevice(Adapter->DevInfo, &Adapter->DevInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to select adapter %u device", Adapter->DevInfoData.DevInst);
|
|
goto cleanupAdapter;
|
|
}
|
|
static const WCHAR Hwids[_countof(WINTUN_HWID) + 1 /*Multi-string terminator*/] = WINTUN_HWID;
|
|
if (!SetupDiSetDeviceRegistryPropertyW(
|
|
Adapter->DevInfo, &Adapter->DevInfoData, SPDRP_HARDWAREID, (const BYTE *)Hwids, sizeof(Hwids)))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to set adapter %u hardware ID", Adapter->DevInfoData.DevInst);
|
|
goto cleanupAdapter;
|
|
}
|
|
|
|
HDEVINFO DevInfoExistingAdapters;
|
|
SP_DEVINFO_DATA_LIST *ExistingAdapters;
|
|
if (!SelectDriver(
|
|
Adapter->DevInfo, &Adapter->DevInfoData, &DevInstallParams, &DevInfoExistingAdapters, &ExistingAdapters))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to select adapter %u driver", Adapter->DevInfoData.DevInst);
|
|
goto cleanupAdapter;
|
|
}
|
|
|
|
HANDLE Mutex = NamespaceTakePoolMutex(Pool);
|
|
if (!Mutex)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to take %s pool mutex", Pool);
|
|
goto cleanupDriverInfoList;
|
|
}
|
|
|
|
if (!SetupDiCallClassInstaller(DIF_REGISTERDEVICE, Adapter->DevInfo, &Adapter->DevInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to register adapter %u device", Adapter->DevInfoData.DevInst);
|
|
goto cleanupDevice;
|
|
}
|
|
if (!SetupDiCallClassInstaller(DIF_REGISTER_COINSTALLERS, Adapter->DevInfo, &Adapter->DevInfoData))
|
|
LOG_LAST_ERROR(L"Failed to register adapter %u coinstallers", Adapter->DevInfoData.DevInst);
|
|
|
|
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(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
DICS_FLAG_GLOBAL,
|
|
0,
|
|
DIREG_DRV,
|
|
KEY_SET_VALUE | KEY_QUERY_VALUE | KEY_NOTIFY);
|
|
}
|
|
if (NetDevRegKey == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError =
|
|
LOG_LAST_ERROR(L"Failed to open adapter %u device-specific registry key", Adapter->DevInfoData.DevInst);
|
|
goto cleanupDevice;
|
|
}
|
|
if (RequestedGUID)
|
|
{
|
|
LastError = RegSetValueExW(
|
|
NetDevRegKey, L"SuggestedInstanceId", 0, REG_BINARY, (const BYTE *)RequestedGUID, sizeof(*RequestedGUID));
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(NetDevRegKey, RegPath);
|
|
LOG_ERROR(LastError, L"Failed to set %.*s\\SuggestedInstanceId", MAX_REG_PATH, RegPath);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
}
|
|
|
|
if (!SetupDiCallClassInstaller(DIF_INSTALLINTERFACES, Adapter->DevInfo, &Adapter->DevInfoData))
|
|
LOG_LAST_ERROR(L"Failed to install adapter %u interfaces", Adapter->DevInfoData.DevInst);
|
|
|
|
if (!SetupDiCallClassInstaller(DIF_INSTALLDEVICE, Adapter->DevInfo, &Adapter->DevInfoData))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to install adapter %u device", Adapter->DevInfoData.DevInst);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
*RebootRequired = *RebootRequired || CheckReboot(Adapter->DevInfo, &Adapter->DevInfoData);
|
|
|
|
if (!SetupDiSetDevicePropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&DEVPKEY_Wintun_Pool,
|
|
DEVPROP_TYPE_STRING,
|
|
#pragma warning(suppress : 4090)
|
|
(const BYTE *)Pool,
|
|
(DWORD)((wcslen(Pool) + 1) * sizeof(*Pool)),
|
|
0))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to set adapter %u pool", Adapter->DevInfoData.DevInst);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
if (!SetupDiSetDeviceRegistryPropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
SPDRP_DEVICEDESC,
|
|
(const BYTE *)PoolDeviceTypeName,
|
|
(DWORD)((wcslen(PoolDeviceTypeName) + 1) * sizeof(*PoolDeviceTypeName))))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to set adapter %u description", Adapter->DevInfoData.DevInst);
|
|
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. */
|
|
LPWSTR DummyStr = RegistryQueryStringWait(NetDevRegKey, L"NetCfgInstanceId", WAIT_FOR_REGISTRY_TIMEOUT);
|
|
if (!DummyStr)
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(NetDevRegKey, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %.*s\\NetCfgInstanceId", MAX_REG_PATH, RegPath);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
Free(DummyStr);
|
|
DWORD DummyDWORD;
|
|
if (!RegistryQueryDWORDWait(NetDevRegKey, L"NetLuidIndex", WAIT_FOR_REGISTRY_TIMEOUT, &DummyDWORD))
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(NetDevRegKey, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %.*s\\NetLuidIndex", MAX_REG_PATH, RegPath);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
if (!RegistryQueryDWORDWait(NetDevRegKey, L"*IfType", WAIT_FOR_REGISTRY_TIMEOUT, &DummyDWORD))
|
|
{
|
|
WCHAR RegPath[MAX_REG_PATH];
|
|
LoggerGetRegistryKeyPath(NetDevRegKey, RegPath);
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %.*s\\*IfType", MAX_REG_PATH, RegPath);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
|
|
if (!PopulateAdapterData(Adapter, Pool))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to populate adapter %u data", Adapter->DevInfoData.DevInst);
|
|
goto cleanupNetDevRegKey;
|
|
}
|
|
|
|
HKEY TcpipAdapterRegKey;
|
|
WCHAR TcpipAdapterRegPath[MAX_REG_PATH];
|
|
if (!GetTcpipAdapterRegPath(Adapter, TcpipAdapterRegPath))
|
|
{
|
|
LastError = GetLastError();
|
|
goto cleanupAdapter;
|
|
}
|
|
TcpipAdapterRegKey = RegistryOpenKeyWait(
|
|
HKEY_LOCAL_MACHINE, TcpipAdapterRegPath, KEY_QUERY_VALUE | KEY_NOTIFY, WAIT_FOR_REGISTRY_TIMEOUT);
|
|
if (!TcpipAdapterRegKey)
|
|
{
|
|
LastError = LOG(
|
|
WINTUN_LOG_ERR, L"Failed to open adapter-specific TCP/IP interface registry key %s", TcpipAdapterRegPath);
|
|
goto cleanupAdapter;
|
|
}
|
|
DummyStr = RegistryQueryStringWait(TcpipAdapterRegKey, L"IpConfig", WAIT_FOR_REGISTRY_TIMEOUT);
|
|
if (!DummyStr)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get %s\\IpConfig", TcpipAdapterRegPath);
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
Free(DummyStr);
|
|
|
|
WCHAR TcpipInterfaceRegPath[MAX_REG_PATH];
|
|
if (!GetTcpipInterfaceRegPath(Adapter, TcpipInterfaceRegPath))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to determine interface-specific TCP/IP network registry key path");
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
for (int Tries = 0; Tries < 300; ++Tries)
|
|
{
|
|
HKEY TcpipInterfaceRegKey = RegistryOpenKeyWait(
|
|
HKEY_LOCAL_MACHINE, TcpipInterfaceRegPath, KEY_QUERY_VALUE | KEY_SET_VALUE, WAIT_FOR_REGISTRY_TIMEOUT);
|
|
if (!TcpipInterfaceRegKey)
|
|
{
|
|
LastError =
|
|
LOG(WINTUN_LOG_ERR,
|
|
L"Failed to open interface-specific TCP/IP network registry key %s",
|
|
TcpipInterfaceRegPath);
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
|
|
static const DWORD EnableDeadGWDetect = 0;
|
|
LastError = RegSetKeyValueW(
|
|
TcpipInterfaceRegKey,
|
|
NULL,
|
|
L"EnableDeadGWDetect",
|
|
REG_DWORD,
|
|
&EnableDeadGWDetect,
|
|
sizeof(EnableDeadGWDetect));
|
|
RegCloseKey(TcpipInterfaceRegKey);
|
|
if (LastError == ERROR_SUCCESS)
|
|
break;
|
|
if (LastError != ERROR_TRANSACTION_NOT_ACTIVE)
|
|
{
|
|
LOG_ERROR(LastError, L"Failed to set %s\\EnableDeadGWDetect", TcpipInterfaceRegPath);
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
Sleep(10);
|
|
}
|
|
|
|
if (!WintunSetAdapterName(Adapter, Name))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to set adapter name %s", Name);
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
|
|
for (int Tries = 0; Tries < 1000; ++Tries)
|
|
{
|
|
DEVPROPTYPE PropertyType;
|
|
NTSTATUS ProblemStatus;
|
|
if (SetupDiGetDevicePropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&DEVPKEY_Device_ProblemStatus,
|
|
&PropertyType,
|
|
(PBYTE)&ProblemStatus,
|
|
sizeof(ProblemStatus),
|
|
NULL,
|
|
0) &&
|
|
PropertyType == DEVPROP_TYPE_NTSTATUS)
|
|
{
|
|
if (ProblemStatus != STATUS_PNP_DEVICE_CONFIGURATION_PENDING || Tries == 999)
|
|
{
|
|
INT32 ProblemCode;
|
|
if (!SetupDiGetDevicePropertyW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&DEVPKEY_Device_ProblemCode,
|
|
&PropertyType,
|
|
(PBYTE)&ProblemCode,
|
|
sizeof(ProblemCode),
|
|
NULL,
|
|
0) ||
|
|
PropertyType != DEVPROP_TYPE_INT32)
|
|
ProblemCode = 0;
|
|
LastError = RtlNtStatusToDosError(ProblemStatus);
|
|
if (LastError == ERROR_SUCCESS)
|
|
LastError = ERROR_NOT_READY;
|
|
LOG_ERROR(LastError, L"Failed to setup adapter (code: 0x%x, status: 0x%x)", ProblemCode, ProblemStatus);
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
Sleep(10);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
if (!EnsureDeviceObject(Adapter->DevInstanceID))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Device object file did not appear");
|
|
goto cleanupTcpipAdapterRegKey;
|
|
}
|
|
LastError = ERROR_SUCCESS;
|
|
|
|
cleanupTcpipAdapterRegKey:
|
|
RegCloseKey(TcpipAdapterRegKey);
|
|
cleanupNetDevRegKey:
|
|
RegCloseKey(NetDevRegKey);
|
|
cleanupDevice:
|
|
if (LastError != ERROR_SUCCESS)
|
|
{
|
|
SP_REMOVEDEVICE_PARAMS RemoveDeviceParams = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_REMOVE },
|
|
.Scope = DI_REMOVEDEVICE_GLOBAL };
|
|
if (SetupDiSetClassInstallParamsW(
|
|
Adapter->DevInfo,
|
|
&Adapter->DevInfoData,
|
|
&RemoveDeviceParams.ClassInstallHeader,
|
|
sizeof(RemoveDeviceParams)) &&
|
|
SetupDiCallClassInstaller(DIF_REMOVE, Adapter->DevInfo, &Adapter->DevInfoData))
|
|
*RebootRequired = *RebootRequired || CheckReboot(Adapter->DevInfo, &Adapter->DevInfoData);
|
|
}
|
|
NamespaceReleaseMutex(Mutex);
|
|
cleanupDriverInfoList:
|
|
SelectDriverDeferredCleanup(DevInfoExistingAdapters, ExistingAdapters);
|
|
SetupDiDestroyDriverInfoList(Adapter->DevInfo, &Adapter->DevInfoData, SPDIT_COMPATDRIVER);
|
|
cleanupAdapter:
|
|
if (LastError != ERROR_SUCCESS)
|
|
WintunFreeAdapter(Adapter);
|
|
return RET_ERROR(Adapter, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
BOOL WINAPI
|
|
WintunDeleteAdapter(WINTUN_ADAPTER *Adapter, BOOL ForceCloseSessions, BOOL *RebootRequired)
|
|
{
|
|
BOOL DummyRebootRequired;
|
|
if (!RebootRequired)
|
|
RebootRequired = &DummyRebootRequired;
|
|
*RebootRequired = FALSE;
|
|
#ifdef MAYBE_WOW64
|
|
if (NativeMachine != IMAGE_FILE_PROCESS)
|
|
return DeleteAdapterViaRundll32(Adapter, ForceCloseSessions, RebootRequired);
|
|
#endif
|
|
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
HANDLE Mutex = NamespaceTakePoolMutex(Adapter->Pool);
|
|
if (!Mutex)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to take %s pool mutex", Adapter->Pool);
|
|
goto cleanup;
|
|
}
|
|
|
|
SP_DEVINSTALL_PARAMS_W DevInstallParams = { .cbSize = sizeof(DevInstallParams) };
|
|
if (!SetupDiGetDeviceInstallParamsW(Adapter->DevInfo, &Adapter->DevInfoData, &DevInstallParams))
|
|
{
|
|
LastError = LOG_LAST_ERROR(
|
|
L"Failed to retrieve adapter %u device installation parameters", Adapter->DevInfoData.DevInst);
|
|
goto cleanupMutex;
|
|
}
|
|
DevInstallParams.Flags |= DI_QUIETINSTALL;
|
|
if (!SetupDiSetDeviceInstallParamsW(Adapter->DevInfo, &Adapter->DevInfoData, &DevInstallParams))
|
|
{
|
|
LastError =
|
|
LOG_LAST_ERROR(L"Failed to set adapter %u device installation parameters", Adapter->DevInfoData.DevInst);
|
|
goto cleanupMutex;
|
|
}
|
|
|
|
if (ForceCloseSessions && !ForceCloseWintunAdapterHandle(Adapter->DevInfo, &Adapter->DevInfoData))
|
|
LOG(WINTUN_LOG_WARN, L"Failed to force close adapter %u handles", Adapter->DevInfoData.DevInst);
|
|
|
|
SP_REMOVEDEVICE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_REMOVE },
|
|
.Scope = DI_REMOVEDEVICE_GLOBAL };
|
|
if ((!SetupDiSetClassInstallParamsW(
|
|
Adapter->DevInfo, &Adapter->DevInfoData, &Params.ClassInstallHeader, sizeof(Params)) ||
|
|
!SetupDiCallClassInstaller(DIF_REMOVE, Adapter->DevInfo, &Adapter->DevInfoData)) &&
|
|
GetLastError() != ERROR_NO_SUCH_DEVINST)
|
|
LastError = LOG_LAST_ERROR(L"Failed to remove adapter %u", Adapter->DevInfoData.DevInst);
|
|
|
|
*RebootRequired = *RebootRequired || CheckReboot(Adapter->DevInfo, &Adapter->DevInfoData);
|
|
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
cleanup:
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
static _Return_type_success_(return != FALSE)
|
|
BOOL
|
|
DeleteAllOurAdapters(_In_z_ LPCWSTR Pool, _Inout_ BOOL *RebootRequired)
|
|
{
|
|
HANDLE Mutex = NamespaceTakePoolMutex(Pool);
|
|
if (!Mutex)
|
|
{
|
|
LOG(WINTUN_LOG_ERR, L"Failed to take %s pool mutex", Pool);
|
|
return FALSE;
|
|
}
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
HDEVINFO DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
|
if (DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get present adapters");
|
|
goto cleanupMutex;
|
|
}
|
|
SP_REMOVEDEVICE_PARAMS Params = { .ClassInstallHeader = { .cbSize = sizeof(SP_CLASSINSTALL_HEADER),
|
|
.InstallFunction = DIF_REMOVE },
|
|
.Scope = DI_REMOVEDEVICE_GLOBAL };
|
|
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;
|
|
}
|
|
|
|
if (!IsOurAdapter(DevInfo, &DevInfoData) || !IsPoolMember(Pool, DevInfo, &DevInfoData))
|
|
continue;
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Force closing all adapter %u open handles", DevInfoData.DevInst);
|
|
if (!ForceCloseWintunAdapterHandle(DevInfo, &DevInfoData))
|
|
LOG(WINTUN_LOG_WARN, L"Failed to force close adapter %u handles", DevInfoData.DevInst);
|
|
|
|
LOG(WINTUN_LOG_INFO, L"Removing adapter %u", DevInfoData.DevInst);
|
|
if ((!SetupDiSetClassInstallParamsW(DevInfo, &DevInfoData, &Params.ClassInstallHeader, sizeof(Params)) ||
|
|
!SetupDiCallClassInstaller(DIF_REMOVE, DevInfo, &DevInfoData)) &&
|
|
GetLastError() != ERROR_NO_SUCH_DEVINST)
|
|
{
|
|
LOG_LAST_ERROR(L"Failed to remove adapter %u", DevInfoData.DevInst);
|
|
LastError = LastError != ERROR_SUCCESS ? LastError : GetLastError();
|
|
}
|
|
*RebootRequired = *RebootRequired || CheckReboot(DevInfo, &DevInfoData);
|
|
}
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
BOOL WINAPI
|
|
WintunDeletePoolDriver(LPCWSTR Pool, BOOL *RebootRequired)
|
|
{
|
|
BOOL DummyRebootRequired;
|
|
if (!RebootRequired)
|
|
RebootRequired = &DummyRebootRequired;
|
|
*RebootRequired = FALSE;
|
|
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
#ifdef MAYBE_WOW64
|
|
if (NativeMachine != IMAGE_FILE_PROCESS)
|
|
{
|
|
LastError = DeletePoolDriverViaRundll32(Pool, RebootRequired) ? ERROR_SUCCESS : GetLastError();
|
|
goto cleanup;
|
|
}
|
|
#endif
|
|
|
|
if (!DeleteAllOurAdapters(Pool, RebootRequired))
|
|
{
|
|
LastError = GetLastError();
|
|
goto cleanup;
|
|
}
|
|
|
|
HANDLE DriverInstallationLock = NamespaceTakeDriverInstallationMutex();
|
|
if (!DriverInstallationLock)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to take driver installation mutex");
|
|
goto cleanup;
|
|
}
|
|
HDEVINFO DeviceInfoSet = SetupDiGetClassDevsW(&GUID_DEVCLASS_NET, NULL, NULL, 0);
|
|
if (!DeviceInfoSet)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get adapter information");
|
|
goto cleanupDriverInstallationLock;
|
|
}
|
|
if (!SetupDiBuildDriverInfoList(DeviceInfoSet, NULL, SPDIT_CLASSDRIVER))
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed building driver info list");
|
|
goto cleanupDeviceInfoSet;
|
|
}
|
|
for (DWORD EnumIndex = 0;; ++EnumIndex)
|
|
{
|
|
SP_DRVINFO_DATA_W DriverInfo = { .cbSize = sizeof(DriverInfo) };
|
|
if (!SetupDiEnumDriverInfoW(DeviceInfoSet, NULL, SPDIT_CLASSDRIVER, EnumIndex, &DriverInfo))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
continue;
|
|
}
|
|
SP_DRVINFO_DETAIL_DATA_W *DriverDetail = GetAdapterDrvInfoDetail(DeviceInfoSet, NULL, &DriverInfo);
|
|
if (!DriverDetail)
|
|
continue;
|
|
if (!_wcsicmp(DriverDetail->HardwareID, WINTUN_HWID))
|
|
{
|
|
LPCWSTR Path = PathFindFileNameW(DriverDetail->InfFileName);
|
|
LOG(WINTUN_LOG_INFO, L"Removing driver %s", Path);
|
|
if (!SetupUninstallOEMInfW(Path, 0, NULL))
|
|
{
|
|
LOG_LAST_ERROR(L"Unable to remove driver %s", Path);
|
|
LastError = LastError != ERROR_SUCCESS ? LastError : GetLastError();
|
|
}
|
|
}
|
|
Free(DriverDetail);
|
|
}
|
|
SetupDiDestroyDriverInfoList(DeviceInfoSet, NULL, SPDIT_CLASSDRIVER);
|
|
cleanupDeviceInfoSet:
|
|
SetupDiDestroyDeviceInfoList(DeviceInfoSet);
|
|
cleanupDriverInstallationLock:
|
|
NamespaceReleaseMutex(DriverInstallationLock);
|
|
cleanup:
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
BOOL WINAPI
|
|
WintunEnumAdapters(LPCWSTR Pool, WINTUN_ENUM_CALLBACK Func, LPARAM Param)
|
|
{
|
|
DWORD LastError = ERROR_SUCCESS;
|
|
HANDLE Mutex = NamespaceTakePoolMutex(Pool);
|
|
if (!Mutex)
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to take %s pool mutex", Pool);
|
|
goto cleanup;
|
|
}
|
|
HDEVINFO DevInfo = SetupDiGetClassDevsExW(&GUID_DEVCLASS_NET, NULL, NULL, DIGCF_PRESENT, NULL, NULL, NULL);
|
|
if (DevInfo == INVALID_HANDLE_VALUE)
|
|
{
|
|
LastError = LOG_LAST_ERROR(L"Failed to get present adapters");
|
|
goto cleanupMutex;
|
|
}
|
|
BOOL Continue = TRUE;
|
|
for (DWORD EnumIndex = 0; Continue; ++EnumIndex)
|
|
{
|
|
WINTUN_ADAPTER Adapter = { .DevInfo = DevInfo, .DevInfoData.cbSize = sizeof(Adapter.DevInfoData) };
|
|
if (!SetupDiEnumDeviceInfo(DevInfo, EnumIndex, &Adapter.DevInfoData))
|
|
{
|
|
if (GetLastError() == ERROR_NO_MORE_ITEMS)
|
|
break;
|
|
continue;
|
|
}
|
|
|
|
if (!IsOurAdapter(DevInfo, &Adapter.DevInfoData) || !IsPoolMember(Pool, DevInfo, &Adapter.DevInfoData))
|
|
continue;
|
|
|
|
if (!PopulateAdapterData(&Adapter, Pool))
|
|
{
|
|
LastError = LOG(WINTUN_LOG_ERR, L"Failed to populate adapter %u data", Adapter.DevInfoData.DevInst);
|
|
break;
|
|
}
|
|
Continue = Func(&Adapter, Param);
|
|
}
|
|
SetupDiDestroyDeviceInfoList(DevInfo);
|
|
cleanupMutex:
|
|
NamespaceReleaseMutex(Mutex);
|
|
cleanup:
|
|
return RET_ERROR(TRUE, LastError);
|
|
}
|