| // 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. |
| |
| #ifndef __AUTHENTICATION_CRAM_MD5_AUXPROP_HPP__ |
| #define __AUTHENTICATION_CRAM_MD5_AUXPROP_HPP__ |
| |
| #include <mutex> |
| #include <string> |
| |
| #include <sasl/sasl.h> |
| #include <sasl/saslplug.h> |
| |
| #include <stout/foreach.hpp> |
| #include <stout/multimap.hpp> |
| #include <stout/none.hpp> |
| #include <stout/option.hpp> |
| #include <stout/synchronized.hpp> |
| |
| namespace mesos { |
| namespace internal { |
| namespace cram_md5 { |
| |
| struct Property |
| { |
| std::string name; |
| std::list<std::string> values; |
| }; |
| |
| |
| class InMemoryAuxiliaryPropertyPlugin |
| { |
| public: |
| static const char* name() { return "in-memory-auxprop"; } |
| |
| static void load(const Multimap<std::string, Property>& _properties) |
| { |
| synchronized (mutex) { |
| properties = _properties; |
| } |
| } |
| |
| static Option<std::list<std::string>> lookup( |
| const std::string& user, |
| const std::string& name) |
| { |
| synchronized (mutex) { |
| if (properties.contains(user)) { |
| foreach (const Property& property, properties.get(user)) { |
| if (property.name == name) { |
| return property.values; |
| } |
| } |
| } |
| } |
| |
| return None(); |
| } |
| |
| // SASL plugin initialize entry. |
| static int initialize( |
| const sasl_utils_t* utils, |
| int api, |
| int* version, |
| sasl_auxprop_plug_t** plug, |
| const char* name); |
| |
| private: |
| #if SASL_AUXPROP_PLUG_VERSION <= 4 |
| static void lookup( |
| #else |
| static int lookup( |
| #endif |
| void* context, |
| sasl_server_params_t* sparams, |
| unsigned flags, |
| const char* user, |
| unsigned length); |
| |
| // TODO(tillt): For allowing multiple authenticators with differing |
| // credentials, consider using a non-static credential properties. |
| static Multimap<std::string, Property> properties; |
| |
| static sasl_auxprop_plug_t plugin; |
| |
| // Access to 'properties' has to be protected as multiple |
| // authenticator instances may be active concurrently. |
| static std::mutex mutex; |
| }; |
| |
| } // namespace cram_md5 { |
| } // namespace internal { |
| } // namespace mesos { |
| |
| #endif // __AUTHENTICATION_CRAM_MD5_AUXPROP_HPP__ |