RtlpAddKnownObjectAce

NTSTATUS __stdcall RtlpAddKnownObjectAce(
        PACL Acl,
        UINT64 AceRevision,
        UINT64 AceFlags,
        _ACCESS_MASK AccessMask,
        _GUID *ObjectTypeGuid,
        _GUID *InheritedObjectTypeGuid,
        VOID *Sid,
        UINT8 NewType){
  int v10; 
  int v11; 
  VOID *v12; 
  VOID *v13; 
  NTSTATUS result; 
  unsigned int v15; 
  char v16; 
  int v17; 
  unsigned __int16 v18; 
  __int64 v19; 
  char *v20; 
  _GUID *v21; 
  VOID *FirstFree; 

  FirstFree = 0i64;
  v10 = AceFlags;
  v11 = AceRevision;
  if( !RtlValidSid(Sid) )
    return -1073741704;
  if( Acl->AclRevision > 4u || v11 != 4 )
    return -1073741735;
  v15 = v10 & 0xFFFFFFE0;
  if( (v10 & 0xFFFFFFE0) != 0 )
  {
    if( NewType == 7 )
      v15 = v10 & 0xFFFFFF20;
    if( v15 )
      return -1073741811;
  }
  RtlValidAcl(Acl, v12, v13);
  if( !v16 || !RtlFirstFreeAce(Acl, &FirstFree) )
    return -1073741705;
  v17 = *((unsigned __int8 *)Sid + 1);
  v18 = 4 * v17 + 20;
  if( ObjectTypeGuid )
    v18 = 4 * v17 + 36;
  v19 = ObjectTypeGuid != 0i64;
  if( InheritedObjectTypeGuid )
  {
    LODWORD(v19) = v19 | 2;
    v18 += 16;
  }
  v20 = (char *)FirstFree;
  if( !FirstFree || (char *)FirstFree + v18 > (char *)Acl + Acl->AclSize )
    return -1073741671;
  *((_WORD *)FirstFree + 1) = v18;
  v21 = (_GUID *)(v20 + 12);
  v20[1] = v10;
  *v20 = NewType;
  *((_DWORD *)v20 + 1) = AccessMask;
  *((_DWORD *)v20 + 2) = v19;
  if( ObjectTypeGuid )
  {
    *v21 = *ObjectTypeGuid;
    v21 = (_GUID *)(v20 + 28);
  }
  if( InheritedObjectTypeGuid )
    *v21++ = *InheritedObjectTypeGuid;
  RtlCopySid((unsigned int)(4 * v17 + 8), v21, Sid);
  ++Acl->AceCount;
  result = 0;
  Acl->AclRevision = 4;
  return result;
}

Referenced by: