kubernetes/vendor/go.etcd.io/etcd/server/v3/auth/range_perm_cache.go

func getMergedPerms(lg *zap.Logger, tx backend.ReadTx, userName string) *unifiedRangePermissions { … }

func checkKeyInterval(
	lg *zap.Logger,
	cachedPerms *unifiedRangePermissions,
	key, rangeEnd []byte,
	permtyp authpb.Permission_Type) bool { … }

func checkKeyPoint(lg *zap.Logger, cachedPerms *unifiedRangePermissions, key []byte, permtyp authpb.Permission_Type) bool { … }

func (as *authStore) isRangeOpPermitted(userName string, key, rangeEnd []byte, permtyp authpb.Permission_Type) bool { … }

func (as *authStore) refreshRangePermCache(tx backend.ReadTx) { … }

type unifiedRangePermissions …

func isOpenEnded(rangeEnd []byte) bool { … }

func isValidPermissionRange(key, rangeEnd []byte) bool { … }