/usr/include/arc/security/ArcPDP/ is in nordugrid-arc-dev 4.2.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/arc/security/ArcPDP/EvaluationCtx.h
/usr/include/arc/security/ArcPDP/Evaluator.h
/usr/include/arc/security/ArcPDP/EvaluatorLoader.h
/usr/include/arc/security/ArcPDP/PolicyParser.h
/usr/include/arc/security/ArcPDP/PolicyStore.h
/usr/include/arc/security/ArcPDP/Request.h
/usr/include/arc/security/ArcPDP/RequestItem.h
/usr/include/arc/security/ArcPDP/Response.h
/usr/include/arc/security/ArcPDP/Result.h
/usr/include/arc/security/ArcPDP/Source.h
/usr/include/arc/security/ArcPDP/alg/
/usr/include/arc/security/ArcPDP/alg/AlgFactory.h
/usr/include/arc/security/ArcPDP/alg/CombiningAlg.h
/usr/include/arc/security/ArcPDP/alg/DenyOverridesAlg.h
/usr/include/arc/security/ArcPDP/alg/OrderedAlg.h
/usr/include/arc/security/ArcPDP/alg/PermitOverridesAlg.h
/usr/include/arc/security/ArcPDP/attr/
/usr/include/arc/security/ArcPDP/attr/AnyURIAttribute.h
/usr/include/arc/security/ArcPDP/attr/AttributeFactory.h
/usr/include/arc/security/ArcPDP/attr/AttributeProxy.h
/usr/include/arc/security/ArcPDP/attr/AttributeValue.h
/usr/include/arc/security/ArcPDP/attr/BooleanAttribute.h
/usr/include/arc/security/ArcPDP/attr/DateTimeAttribute.h
/usr/include/arc/security/ArcPDP/attr/GenericAttribute.h
/usr/include/arc/security/ArcPDP/attr/RequestAttribute.h
/usr/include/arc/security/ArcPDP/attr/StringAttribute.h
/usr/include/arc/security/ArcPDP/attr/X500NameAttribute.h
/usr/include/arc/security/ArcPDP/fn/
/usr/include/arc/security/ArcPDP/fn/EqualFunction.h
/usr/include/arc/security/ArcPDP/fn/FnFactory.h
/usr/include/arc/security/ArcPDP/fn/Function.h
/usr/include/arc/security/ArcPDP/fn/InRangeFunction.h
/usr/include/arc/security/ArcPDP/fn/MatchFunction.h
/usr/include/arc/security/ArcPDP/policy/
/usr/include/arc/security/ArcPDP/policy/Policy.h