| [request_definition] | |
| r = sub, subject_confidentiality, subject_integrity, obj, object_confidentiality, object_integrity, act | |
| [policy_definition] | |
| p = sub, obj, act | |
| [role_definition] | |
| g = _, _ | |
| [policy_effect] | |
| e = some(where (p.eft == allow)) | |
| [matchers] | |
| m = (r.act == "read" && r.subject_confidentiality >= r.object_confidentiality && r.subject_integrity >= r.object_integrity) || (r.act == "write" && r.subject_confidentiality <= r.object_confidentiality && r.subject_integrity <= r.object_integrity) |