| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <stout/path.hpp> |
| #include <stout/stringify.hpp> |
| #include <stout/strings.hpp> |
| |
| #include "slave/containerizer/mesos/isolators/volume/utils.hpp" |
| |
| using std::string; |
| using std::vector; |
| |
| namespace mesos { |
| namespace internal { |
| namespace slave { |
| namespace volume { |
| |
| PathValidator::PathValidator(const vector<string>& _whitelist) |
| : whitelist(_whitelist) {} |
| |
| |
| PathValidator PathValidator::parse(const string& whitelist) |
| { |
| return PathValidator(strings::split(whitelist, HOST_PATH_WHITELIST_DELIM)); |
| } |
| |
| |
| Try<Nothing> PathValidator::validate(const string& path) const |
| { |
| foreach (const string& allowedPath, whitelist) { |
| const string allowedDirectory = path::join( |
| allowedPath, stringify(os::PATH_SEPARATOR)); |
| if (path == allowedPath || strings::startsWith(path, allowedDirectory)) { |
| return Nothing(); |
| } |
| } |
| |
| return Error("Path '" + path + "' is not whitelisted"); |
| } |
| |
| } // namespace volume { |
| } // namespace slave { |
| } // namespace internal { |
| } // namespace mesos { |