"istio.io/istio/pkg/wellknown"
)

const (
	anonymousName = "_anonymous_match_nothing_"
)

// Matches the policy name in RBAC filter config with format like ns[default]-policy[some-policy]-rule[1].
var re = regexp.MustCompile(`ns\[(.+)\]-policy\[(.+)\]-rule\[(.+)\]`)

type filterChain struct {
	rbacHTTP []*rbachttp.RBAC
	rbacTCP  []*rbactcp.RBAC
}

type parsedListener struct {
	filterChains []*filterChain
}

	if err := os.MkdirAll(filepath.Dir(path), 0o750); err != nil {
		// If we cannot create it, just warn here - we will fail later if there is a real error
		log.Warnf("Failed to create directory for %v: %v", path, err)
	}

	var err error
	listener, err := net.Listen("unix", path)
	if err != nil {
		return nil, fmt.Errorf("failed to listen on unix socket %q: %v", path, err)
	}