ExpTranslateNtPath

NTSTATUS __stdcall ExpTranslateNtPath(
        _FILE_PATH *InputPath,
        UINT64 OutputType,
        _FILE_PATH *OutputPath,
        UINT64 *OutputPathLength){
  int v5; 
  CHAR *FilePath; 
  char v9; 
  char v10; 
  WCHAR v11; 
  unsigned __int64 v12; 
  __int64 v13; 
  void *v14; 
  NTSTATUS v15; 
  wchar_t *Buffer; 
  NTSTATUS v17; 
  int v18; 
  ULONG OutputBufferLength; 
  int *OutputBuffer; 
  NTSTATUS v21; 
  int *v22; 
  int *v23; 
  void *FileHandle; 
  UNICODE_STRING ResultName; 
  struct _UNICODE_STRING DestinationString; 
  struct _IO_STATUS_BLOCK IoStatusBlock; 
  struct _OBJECT_ATTRIBUTES ObjectAttributes; 
  INT64 result; 
  __int64 v30; 
  __int64 v31; 
  int v32[6]; 
  char v33; 
  int v34; 
  int v35; 
  v35 = OutputType;
  *(&ObjectAttributes.Length + 1) = 0;
  v5 = OutputType;
  *(&ObjectAttributes.Attributes + 1) = 0;
  FileHandle = 0i64;
  DestinationString = 0i64;
  ResultName = 0i64;
  IoStatusBlock = 0i64;
  memset((INT64)&result, 0i64);
  FilePath = InputPath->FilePath;
  v34 = 0;
  v9 = 1;
  v10 = 1;
  RtlInitUnicodeString(&DestinationString, (PCWSTR)FilePath, v11);
  v12 = (unsigned __int64)&FilePath[DestinationString.Length + 2];
  v13 = -1i64;
  do
    ++v13;
  while( *(_WORD *)(v12 + 2 * v13) );
  v14 = (void *)(v12 & -(__int64)((_DWORD)v13 != 0));
  if( v5 != 1 )
  {
    ObjectAttributes.ObjectName = &DestinationString;
    ObjectAttributes.Length = 48;
    ObjectAttributes.RootDirectory = 0i64;
    ObjectAttributes.Attributes = 576;
    *(_OWORD *)&ObjectAttributes.SecurityDescriptor = 0i64;
    v15 = ZwOpenFile((UNICODE_STRING *)&FileHandle, (PWCHAR)0x100080);
    if( v15 < 0 )
      return v15;
    v18 = ZwDeviceIoControlFile(FileHandle, 0i64, 0i64, 0i64, &IoStatusBlock, 0x70048u, 0i64, 0, &result, 0x90u);
    if( v18 < 0 )
      goto LABEL_22;
    if( (_DWORD)result )
    {
      if( (_DWORD)result != 1 )
      {
        v18 = -1073741804;
LABEL_22:
        ZwClose(FileHandle);
        return v18;
      }
    }
    else
    {
      OutputBufferLength = 2352;
      for( OutputBuffer = (int *)ExAllocatePoolWithTag(NonPagedPoolNx, 0x930ui64, 0x72766E45ui64);
            ;
            OutputBuffer = (int *)ExAllocatePoolWithTag(NonPagedPoolNx, OutputBufferLength, 0x72766E45ui64) )
      {
        v22 = OutputBuffer;
        if( !OutputBuffer )
        {
          v18 = -1073741670;
          goto LABEL_22;
        }
        v21 = ZwDeviceIoControlFile(
                FileHandle,
                0i64,
                0i64,
                0i64,
                &IoStatusBlock,
                0x70050u,
                0i64,
                0,
                OutputBuffer,
                OutputBufferLength);
        if( v21 >= 0 )
          break;
        ExFreePoolWithTag(v22, 0);
        if( v21 != -1073741789 )
        {
          v18 = v21;
          goto LABEL_22;
        }
        OutputBufferLength *= 2;
      }
      v34 = v22[2];
      ExFreePoolWithTag(v22, 0);
      v5 = v35;
    }
    ZwClose(FileHandle);
    if( (_DWORD)result == 1 )
    {
      v23 = (int *)&v33;
    }
    else
    {
      v23 = &v34;
      v9 = 0;
    }
    if( v5 == 4 )
      return ExpCreateOutputEFI(
               OutputPath,
               (unsigned int *)OutputPathLength,
               v23,
               (__int64)v32,
               (__int64)&v30,
               (__int64)&v31,
               v14,
               v9);
    else
      return ExpCreateOutputSIGNATURE(
               (__int64)OutputPath,
               (unsigned int *)OutputPathLength,
               (unsigned int *)v23,
               (unsigned int *)v32,
               (__int64)&v30,
               (__int64)&v31,
               (wchar_t *)v14,
               v9);
  }
  v15 = ExpTranslateSymbolicLink((PWCHAR)FilePath, &ResultName);
  if( v15 >= 0 )
  {
    Buffer = ResultName.Buffer;
  }
  else
  {
    if( v15 != -1073741788 )
      return v15;
    v10 = 0;
    Buffer = DestinationString.Buffer;
    ResultName.Length = DestinationString.Length;
    ResultName.MaximumLength = DestinationString.MaximumLength;
    ResultName.Buffer = DestinationString.Buffer;
  }
  v17 = ExpCreateOutputARC(OutputPath, OutputPathLength, &ResultName, (WCHAR *)v14);
  if( v10 == 1 )
    ExFreePoolWithTag(Buffer, 0);
  return v17;
}

Referenced by: