HvpSetRangeProtection

UINT8 __stdcall HvpSetRangeProtection(ULONG_PTR Hive, ULONG_PTR Offset, UINT64 Length, UINT64 Protection){
  unsigned int v4; 
  unsigned int v5; 
  _HHIVE *v7; 
  _HMAP_ENTRY *CellMap; 
  __int64 FreeBin; 
  _DWORD *v10; 
  ULONG_PTR v11; 
  _HMAP_ENTRY *v12; 
  char v13; 
  int v14; 
  char *v15; 
  unsigned int v16; 
  UINT64 p_ViewMap; 
  int v18; 

  v4 = Protection;
  v5 = Length;
  v7 = *(_HHIVE **)&Hive;
  if( (*(_DWORD *)(*(_QWORD *)&Hive + 160i64) & 0x11) == 0 && (_DWORD)Length )
  {
    while( 1 )
    {
      CellMap = HvpGetCellMap(v7, Offset);
      if( !CellMap )
        KeBugCheckEx(0x51u, (PVOID)1, v7, (PVOID)Offset, (PVOID)0x40C);
      if( (CellMap->PermanentBinAddress & 0xFFFFFFFFFFFFFFF0ui64) == 0 )
      {
        v5 -= 4096;
        v16 = 4096;
        goto LABEL_14;
      }
      FreeBin = HvpMapEntryGetFreeBin(CellMap);
      v11 = FreeBin ? Offset - *(_DWORD *)(FreeBin + 20) : *v10;
      v12 = HvpGetCellMap(v7, Offset - v11);
      v16 = v5;
      if( v5 >= v12->MemAlloc - v14 )
        v16 = v12->MemAlloc - v14;
      if( (v13 & 8) != 0 )
        break;
      if( (v7->HiveFlags & 0x20000) == 0 )
      {
        v18 = 1;
LABEL_19:
        if( !v18 )
          goto LABEL_23;
        goto LABEL_13;
      }
      p_ViewMap = (UINT64)&v7->ViewMap;
      if( v4 == 2 )
      {
        HvpViewMapSealRange(p_ViewMap, Offset, v16);
      }
      else if( (int)HvpViewMapCOWAndUnsealRange(p_ViewMap, Offset, v16) < 0 )
      {
        LOBYTE(v18) = 0;
LABEL_23:
        if( v4 == 4 )
          return v18;
      }
LABEL_13:
      v5 -= v16;
LABEL_14:
      Offset += v16;
      if( !v5 )
        goto LABEL_15;
    }
    v18 = ExProtectPoolEx(v15, &v15[v14], v16, v4);
    goto LABEL_19;
  }
LABEL_15:
  LOBYTE(v18) = 1;
  return v18;
}

Referenced by: