PiCMOpenDeviceInterfaceKey

INT64 __stdcall PiCMOpenDeviceInterfaceKey(
        PVOID IoctlInputBuffer,
        UINT64 IoctlInputBufferSize,
        PVOID IoctlOutputBuffer,
        UINT64 IoctlOutputBufferSize,
        UINT64 *BytesUsed){
  unsigned int *v5; 
  unsigned int v6; 
  INT8 v8; 
  int v9; 
  __int64 v10; 
  const WCHAR *v11; 
  unsigned int v12; 
  UINT64 v13; 
  int v14; 
  __int64 v15; 
  int v16; 
  HANDLE *IoctlOutputBufferSizea; 
  __int64 v19; 
  __int64 v20; 
  HANDLE v21; 
  INT64 a4[2]; 
  UINT64 *DesiredAccess[2]; 
  unsigned int ExpectedOutputSize[4]; 
  HANDLE Handle; 
  v5 = (unsigned int *)Handle;
  v6 = IoctlOutputBufferSize;
  v21 = 0i64;
  Handle = 0i64;
  *v5 = 0;
  *(_OWORD *)a4 = 0i64;
  *(_OWORD *)DesiredAccess = 0i64;
  v8 = *((_BYTE *)KeGetCurrentThread() + 562);
  *(_OWORD *)ExpectedOutputSize = 0i64;
  v9 = PiCMCaptureRegistryInputData(IoctlInputBuffer, IoctlInputBufferSize, (unsigned int)BytesUsed, (INT64)a4);
  if( v9 < 0 )
    goto LABEL_21;
  v11 = (const WCHAR *)DesiredAccess[0];
  if( !DesiredAccess[0]
    || *(INT64 *)((char *)a4 + 4) != 0x400000000i64
    || ExpectedOutputSize[1]
    || !IoctlOutputBuffer
    || v6 < 0x10 )
  {
    v14 = -1073741811;
    goto LABEL_15;
  }
  v12 = HIDWORD(DesiredAccess[1]);
  v14 = CmOpenDeviceInterfaceRegKey(
          PiPnpRtlCtx,
          (const WCHAR *)DesiredAccess[0],
          0x32u,
          v10,
          SHIDWORD(DesiredAccess[1]),
          0,
          (__int64)&Handle,
          0i64);
  if( v14 != -1073741772 )
    goto LABEL_12;
  if( ExpectedOutputSize[0] == 1 )
  {
    if( !PiAuDoesClientHaveAccess(2ui64) )
    {
      v14 = -1073741790;
      goto LABEL_15;
    }
    v14 = CmOpenDeviceInterfaceRegKey(PiPnpRtlCtx, v11, 0x32u, v15, v12, 1, (__int64)&Handle, 0i64);
LABEL_12:
    if( v14 >= 0 )
    {
      IoctlOutputBufferSizea = &v21;
      PiCMDuplicateRegistryHandle(Handle, v13, (UINT64 *)v12, v8);
      v14 = v16;
    }
  }
LABEL_15:
  LODWORD(IoctlOutputBufferSizea) = v6;
  v9 = PiCMReturnHandleResultData(
         v14,
         v21,
         ExpectedOutputSize[2],
         IoctlOutputBuffer,
         (__int64)IoctlOutputBufferSizea,
         v5,
         v19,
         v20);
  if( Handle )
    ZwClose(Handle);
  if( v9 < 0 || v14 < 0 )
  {
    if( v21 )
      ObCloseHandle(v21, v8);
  }
LABEL_21:
  PiCMReleaseRegistryInputData((INT64)a4);
  return(unsigned int)v9;
}

Referenced by: