ObpLookupDirectoryEntryEx

VOID *__fastcall ObpLookupDirectoryEntryEx(
        _OBJECT_DIRECTORY *Directory,
        _UNICODE_STRING *Name,
        UINT64 Attributes,
        UINT8 SearchShadow,
        UINT8 IsSandboxed,
        _OBP_LOOKUP_CONTEXT *LookupContext){
  wchar_t *Buffer; 
  bool v9; 
  unsigned int v10; 
  unsigned __int64 v12; 
  __int64 v13; 
  unsigned int v14; 
  UINT16 v15; 
  int v16; 
  unsigned int v17; 
  int v18; 
  VOID *v19; 
  __int64 v21; 
  __int64 v22; 
  __int128 v23; 
  _OBJECT_DIRECTORY *ShadowDirectory; 

  Buffer = Name->Buffer;
  v9 = (Attributes & 0x40) != 0;
  v10 = Name->Length >> 1;
  if( v10 < 4 )
  {
    v14 = 0;
  }
  else
  {
    v12 = 0i64;
    do
    {
      v13 = *(_QWORD *)Buffer;
      if( (*(_QWORD *)Buffer & 0xFF80FF80FF80FF80ui64) != 0 )
      {
        v21 = 4i64;
        do
        {
          v22 = (unsigned __int16)v13;
          if( (unsigned __int16)v13 >= 0x61u )
          {
            if( (unsigned __int16)v13 <= 0x7Au )
              v22 = (unsigned int)(unsigned __int16)v13 - 32;
            else
              v22 = NLS_UPCASE(v13);
          }
          *(_QWORD *)&v23 = v13;
          *((_QWORD *)&v23 + 1) = v22;
          v13 = v23 >> 16;
          --v21;
        }
        while( v21 );
      }
      else
      {
        v13 &= 0xFFDFFFDFFFDFFFDFui64;
      }
      Buffer += 4;
      v10 -= 4;
      v12 = v13 + (v12 >> 1) + 3 * v12;
    }
    while( v10 >= 4 );
    v14 = v12 + HIDWORD(v12);
  }
  while( v10 )
  {
    v17 = *Buffer;
    v18 = (v14 >> 1) + 3 * v14;
    ++Buffer;
    --v10;
    if( v17 < 0x61 )
      goto LABEL_12;
    if( v17 > 0x7A )
    {
      v15 = NLS_UPCASE(v17);
      v14 = v15 + v16;
    }
    else
    {
      v18 -= 32;
LABEL_12:
      v14 = v17 + v18;
    }
  }
  LookupContext->HashValue = v14;
  LookupContext->HashIndex = v14 % 0x25;
  v19 = ObpLookupDirectoryUsingHash(Directory, Name, LookupContext, v9);
  if( !v19 && SearchShadow )
  {
    do
    {
      ShadowDirectory = ObpGetShadowDirectory(Directory);
      if( ShadowDirectory )
      {
        if( LookupContext->DirectoryLocked )
        {
          ObfReferenceObject(Directory);
          ObpUnlockDirectory(Directory, LookupContext);
          ObpLockDirectoryShared(LookupContext, ShadowDirectory);
          HalPutDmaAdapter((PADAPTER_OBJECT)Directory);
        }
        v19 = ObpLookupDirectoryUsingHash(ShadowDirectory, Name, LookupContext, v9);
      }
      Directory = ShadowDirectory;
    }
    while( !v19 && ShadowDirectory );
  }
  return v19;
}

Referenced by: