CmpVolumeManagerGetContextForFile

INT64 __fastcall CmpVolumeManagerGetContextForFile(INT64 a1, VOID *a2, INT64 a3, INT64 *a4){
  _OBJECT_TYPE *v5; 
  INT64 v6; 
  int v7; 
  INT64 v8; 
  _ADAPTER_OBJECT *v9; 
  _ADAPTER_OBJECT *v10; 
  NTSTATUS v11; 
  INT64 v12; 
  INT64 v13; 
  __int64 ContextForGuidUnsafe; 
  INT64 v15; 
  _PRIVILEGE_SET *v16; 
  INT64 v18; 
  __int64 *v19; 
  PPRIVILEGE_SET Privileges; 
  PADAPTER_OBJECT DmaAdapter; 
  _GUID Guid; 

  Privileges = 0i64;
  DmaAdapter = 0i64;
  v5 = (_OBJECT_TYPE *)**(&CmpDummyThreadEvent + 344);
  Guid = 0i64;
  v7 = ObReferenceObjectByHandle(a2, 0x80ui64, v5, 0, (VOID **)&DmaAdapter, 0i64);
  if( v7 < 0 )
    goto LABEL_15;
  LODWORD(v9) = IoGetAttachedDeviceReference((INT64)DmaAdapter->AdapterObject.DmaHeader.DmaOperations, v6, v8);
  v10 = v9;
  v11 = IoVolumeDeviceToGuid(v9, &Guid);
  v7 = v11;
  if( v11 == -1073741811 || v11 == -1073741637 || v11 == -1073741808 )
  {
    v7 = CmpVolumeContextCreate(v12, 0i64, (INT64 *)&Privileges);
    if( v7 >= 0 )
    {
      CmpVolumeManagerLockContextListExclusive((UINT64)&CmpVolumeManager);
      goto LABEL_20;
    }
LABEL_24:
    v16 = Privileges;
LABEL_11:
    if( v16 )
      CmpVolumeContextFree(v16);
    goto LABEL_13;
  }
  if( v11 >= 0 )
  {
    ExAcquirePushLockSharedEx(&CmpVolumeManager, 0i64);
    ContextForGuidUnsafe = CmpVolumeManagerGetContextForGuidUnsafe(v13, &Guid);
    if( _InterlockedCompareExchange64(&CmpVolumeManager._bf_0, 0i64, 17i64) != 17 )
      ExfReleasePushLockShared(&CmpVolumeManager);
    KeAbPostRelease(&CmpVolumeManager);
    if( ContextForGuidUnsafe )
    {
      v16 = Privileges;
LABEL_10:
      *a4 = ContextForGuidUnsafe;
      v7 = 0;
      goto LABEL_11;
    }
    v7 = CmpVolumeContextCreate(v15, v10, (INT64 *)&Privileges);
    if( v7 >= 0 )
    {
      CmpVolumeManagerLockContextListExclusive((UINT64)&CmpVolumeManager);
      ContextForGuidUnsafe = CmpVolumeManagerGetContextForGuidUnsafe(v18, &Guid);
      if( ContextForGuidUnsafe )
      {
        v16 = Privileges;
LABEL_22:
        CmpVolumeManagerUnlockContextListExclusive(&CmpVolumeManager);
        goto LABEL_10;
      }
LABEL_20:
      v19 = (__int64 *)qword_140D2DF60;
      if( *(__int64 **)qword_140D2DF60 != &qword_140D2DF58 )
        __fastfail(3u);
      ContextForGuidUnsafe = (__int64)Privileges;
      v16 = 0i64;
      *(_QWORD *)&Privileges->PrivilegeCount = &qword_140D2DF58;
      *(_QWORD *)(ContextForGuidUnsafe + 8) = v19;
      *v19 = ContextForGuidUnsafe;
      qword_140D2DF60 = ContextForGuidUnsafe;
      goto LABEL_22;
    }
    goto LABEL_24;
  }
LABEL_13:
  if( v10 )
    HalPutDmaAdapter(v10);
LABEL_15:
  if( DmaAdapter )
    HalPutDmaAdapter(DmaAdapter);
  return(unsigned int)v7;
}

Referenced by: