PiDevCfgConfigureDeviceLocation

NTSTATUS __stdcall PiDevCfgConfigureDeviceLocation(
        _DEVICE_NODE *DeviceNode,
        PI_DEVCFG_DEVICE_CONTEXT *DeviceContext,
        UINT64 *ConfigFlags,
        UINT64 *ConfigStatus){
  unsigned int v4; 
  wchar_t *Buffer; 
  int CachedContextBaseKey; 
  INT64 v11; 
  NTSTATUS v12; 
  WCHAR v13; 
  __int64 v14; 
  NTSTATUS MatchingSubKey; 
  __int64 v16; 
  PI_DEVCFG_DEVICE_CONTEXT *v17; 
  WCHAR v18; 
  int v19; 
  NTSTATUS v20; 
  NTSTATUS v21; 
  NTSTATUS v22; 
  UINT64 *ResultLength; 
  UINT64 *ResultLengtha; 
  UINT64 *ConfigStatusa; 
  UINT64 *ConfigStatusb; 
  INT64 v27; 
  INT64 v28[2]; 
  _UNICODE_STRING UnicodeString; 
  INT64 v30; 
  VOID *KeyHandle; 
  UINT64 v32; 
  VOID *ConfigurationKeyHandle; 
  _OBJECT_ATTRIBUTES ObjectAttributes; 
  INT64 v35; 
  _DEVICE_NODE *DeviceNodea; 
  __int128 KeyInformation[2]; 
  __int64 v38; 

  v4 = 0;
  DeviceNodea = DeviceNode;
  v35 = 0i64;
  KeyHandle = 0i64;
  v30 = 0i64;
  v27 = 0i64;
  ConfigurationKeyHandle = 0i64;
  v38 = 0i64;
  *(_QWORD *)&UnicodeString.Length = 0i64;
  Buffer = 0i64;
  UnicodeString.Buffer = 0i64;
  LODWORD(v32) = 0;
  *(_OWORD *)v28 = 0i64;
  memset(KeyInformation, 0, sizeof(KeyInformation));
  if( ConfigFlags )
    *(_DWORD *)ConfigFlags = 0;
  if( ConfigStatus )
    *(_DWORD *)ConfigStatus = 0;
  if( !*((_QWORD *)DeviceContext + 8) )
    goto LABEL_6;
  CachedContextBaseKey = PnpCtxGetCachedContextBaseKey(
                           *(&stru_140CF2E80 + 607),
                           PNPCTX_BASE_KEY_TYPE_CONTROLSET,
                           (VOID **)&v35);
  if( CachedContextBaseKey < 0 )
    goto LABEL_7;
  LODWORD(v28[0]) = 3145774;
  v28[1] = (INT64)L"Control\\DeviceLocations";
  ObjectAttributes.RootDirectory = (void *)v35;
  *(_QWORD *)&ObjectAttributes.Length = 48i64;
  ObjectAttributes.ObjectName = (_UNICODE_STRING *)v28;
  *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
  *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
  v12 = ZwOpenKey(
          &KeyHandle,
          0x20019ui64,
          &ObjectAttributes,
          v11,
          (INT64)ResultLength,
          (INT64)ConfigStatusa,
          v27,
          v28[0]);
  CachedContextBaseKey = v12;
  if( v12 == -1073741772 )
    goto LABEL_6;
  if( v12 < 0 )
    goto LABEL_7;
  CachedContextBaseKey = NtQueryKey(KeyHandle, KeyCachedInformation, KeyInformation, 0x28ui64, &v32);
  if( CachedContextBaseKey < 0 )
    goto LABEL_7;
  if( !HIDWORD(KeyInformation[0]) )
    goto LABEL_6;
  MatchingSubKey = PnpOpenFirstMatchingSubKey(*((WCHAR **)DeviceContext + 8), (INT64)KeyHandle, v13, v14, (VOID **)&v30);
  CachedContextBaseKey = MatchingSubKey;
  if( MatchingSubKey == -1073741772 )
    goto LABEL_6;
  if( MatchingSubKey < 0 )
    goto LABEL_7;
  v17 = DeviceContext + 8;
  while( 1 )
  {
    if( !*(_QWORD *)v17 )
      goto LABEL_34;
    if( Buffer )
      RtlFreeAnsiString(&UnicodeString);
    if( !PnpDuplicateUnicodeString((__int64)&UnicodeString, (__int64)&DeviceContext[4 * v4 + 6]) )
      break;
    IopReplaceSeperatorWithPound(&UnicodeString, &UnicodeString);
    Buffer = UnicodeString.Buffer;
    if( v19 >= 0 )
    {
      v20 = PnpOpenFirstMatchingSubKey(UnicodeString.Buffer, v30, v18, v16, (VOID **)&v27);
      CachedContextBaseKey = v20;
      if( v20 == -1073741772 )
      {
        CachedContextBaseKey = 0;
      }
      else if( v20 < 0 )
      {
        goto LABEL_7;
      }
      if( v27 )
        goto LABEL_37;
    }
    else
    {
      CachedContextBaseKey = 0;
    }
LABEL_34:
    ++v4;
    v17 += 4;
    if( v4 >= 2 )
      goto LABEL_37;
  }
  CachedContextBaseKey = -1073741670;
LABEL_37:
  if( CachedContextBaseKey >= 0 )
  {
    if( v27 )
      goto LABEL_41;
    LODWORD(v28[0]) = 262146;
    v28[1] = (INT64)L"*";
    ObjectAttributes.RootDirectory = (void *)v30;
    *(_QWORD *)&ObjectAttributes.Length = 48i64;
    ObjectAttributes.ObjectName = (_UNICODE_STRING *)v28;
    *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
    *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
    v21 = ZwOpenKey(
            (VOID **)&v27,
            0x20019ui64,
            &ObjectAttributes,
            v16,
            (INT64)ResultLengtha,
            (INT64)ConfigStatusb,
            0i64,
            v28[0]);
    CachedContextBaseKey = v21;
    if( v21 != -1073741772 )
    {
      if( v21 < 0 )
        goto LABEL_7;
LABEL_41:
      LODWORD(v28[0]) = 1835034;
      v28[1] = (INT64)L"Configuration";
      ObjectAttributes.RootDirectory = (void *)v27;
      *(_QWORD *)&ObjectAttributes.Length = 48i64;
      ObjectAttributes.ObjectName = (_UNICODE_STRING *)v28;
      *(_QWORD *)&ObjectAttributes.Attributes = 576i64;
      *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
      v22 = ZwOpenKey(
              &ConfigurationKeyHandle,
              0x20019ui64,
              &ObjectAttributes,
              v16,
              (INT64)ResultLengtha,
              (INT64)ConfigStatusb,
              v27,
              v28[0]);
      CachedContextBaseKey = v22;
      if( v22 != -1073741772 )
      {
        if( v22 >= 0 )
          CachedContextBaseKey = PiDevCfgConfigureDeviceKeys(
                                   DeviceNodea,
                                   DeviceContext,
                                   ConfigurationKeyHandle,
                                   0xFFFFFFFFui64,
                                   ConfigFlags,
                                   ConfigStatus);
        goto LABEL_7;
      }
    }
LABEL_6:
    CachedContextBaseKey = 0;
  }
LABEL_7:
  RtlFreeAnsiString(&UnicodeString);
  if( ConfigurationKeyHandle )
    ZwClose((_HANDLE)ConfigurationKeyHandle);
  if( v27 )
    ZwClose(v27);
  if( v30 )
    ZwClose(v30);
  if( KeyHandle )
    ZwClose((_HANDLE)KeyHandle);
  return CachedContextBaseKey;
}

Referenced by: