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api: relax IsPoolMember estimation

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2020-11-09 15:30:34 +01:00
parent 0d214d7254
commit fc348f519b
1 changed files with 13 additions and 26 deletions
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39
api/adapter.c
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@ -471,40 +471,27 @@ static BOOL
IsPoolMember(_In_z_ const WCHAR *Pool, _In_ HDEVINFO DevInfo, _In_ SP_DEVINFO_DATA *DevInfoData)
{
WCHAR *DeviceDesc = GetDeviceRegistryString(DevInfo, DevInfoData, SPDRP_DEVICEDESC);
if (!DeviceDesc)
{
LOG(WINTUN_LOG_ERR, L"Failed to get adapter description");
return FALSE;
}
WCHAR *FriendlyName = GetDeviceRegistryString(DevInfo, DevInfoData, SPDRP_FRIENDLYNAME);
DWORD LastError = ERROR_SUCCESS;
BOOL Ret = FALSE;
WCHAR *FriendlyName = GetDeviceRegistryString(DevInfo, DevInfoData, SPDRP_FRIENDLYNAME);
if (!FriendlyName)
{
LastError = LOG(WINTUN_LOG_ERR, L"Failed to get adapter friendly name");
goto cleanupDeviceDesc;
}
WCHAR PoolDeviceTypeName[MAX_POOL_DEVICE_TYPE];
if (!GetPoolDeviceTypeName(Pool, PoolDeviceTypeName))
{
LastError = GetLastError();
goto cleanupFriendlyName;
goto cleanupNames;
}
if (!_wcsicmp(FriendlyName, PoolDeviceTypeName) || !_wcsicmp(DeviceDesc, PoolDeviceTypeName))
{
Ret = TRUE;
goto cleanupFriendlyName;
}
RemoveNumberedSuffix(FriendlyName);
RemoveNumberedSuffix(DeviceDesc);
if (!_wcsicmp(FriendlyName, PoolDeviceTypeName) || !_wcsicmp(DeviceDesc, PoolDeviceTypeName))
{
Ret = TRUE;
goto cleanupFriendlyName;
}
cleanupFriendlyName:
Ret = (FriendlyName && !_wcsicmp(FriendlyName, PoolDeviceTypeName)) ||
(DeviceDesc && !_wcsicmp(DeviceDesc, PoolDeviceTypeName));
if (Ret)
goto cleanupNames;
if (FriendlyName)
RemoveNumberedSuffix(FriendlyName);
if (DeviceDesc)
RemoveNumberedSuffix(DeviceDesc);
Ret = (FriendlyName && !_wcsicmp(FriendlyName, PoolDeviceTypeName)) ||
(DeviceDesc && !_wcsicmp(DeviceDesc, PoolDeviceTypeName));
cleanupNames:
Free(FriendlyName);
cleanupDeviceDesc:
Free(DeviceDesc);
SetLastError(LastError);
return Ret;