server/server.cpp

   1 /*
   2  *  Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *  Licensed under the Apache License, Version 2.0 (the "License");
   5  *  you may not use this file except in compliance with the License.
   6  *  You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License
  15  */
  16 #include <cynara-client.h>
  17 #include <cynara-session.h>
  18
  19 #include <klay/audit/logger.h>
  20 #include <klay/audit/dlog-sink.h>
  21
  22 #include "rmi/secure-erase.h"
  23 #include "rmi/internal-encryption.h"
  24 #include "rmi/external-encryption.h"
  25 #include "rmi/extension-encryption.h"
  26 #include "key-manager/key-generator.h"
  27
  28 #include "server.h"
  29
  30 using namespace std::placeholders;
  31
  32 namespace {
  33
  34 const std::string ODE_MANAGER_ADDRESS = "/tmp/.ode.sock";
  35
  36 std::unique_ptr<ode::SecureErase> secureErase;
  37 std::unique_ptr<ode::InternalEncryption> internalEncryption;
  38 std::unique_ptr<ode::ExternalEncryption> externalEncryption;
  39 std::unique_ptr<ode::ExtensionEncryption> extensionEncryption;
  40
  41 } // namespace
  42
  43 Server::Server()
  44 {
  45         audit::Logger::setBackend(new audit::DlogLogSink());
  46         audit::Logger::setTag("ODE");
  47
  48         INFO("ODE server starting.");
  49
  50         service.reset(new rmi::Service(ODE_MANAGER_ADDRESS));
  51
  52         service->setPrivilegeChecker(std::bind(&Server::checkPeerPrivilege, this, _1, _2));
  53
  54         service->expose(this, "", (runtime::FileDescriptor)(Server::registerNotificationSubscriber)(std::string));
  55         service->expose(this, "", (int)(Server::unregisterNotificationSubscriber)(std::string, int));
  56
  57         secureErase.reset(new ode::SecureErase(*this));
  58         internalEncryption.reset(new ode::InternalEncryption(*this));
  59         externalEncryption.reset(new ode::ExternalEncryption(*this));
  60         extensionEncryption.reset(new ode::ExtensionEncryption(*this));
  61
  62         ode::KeyGenerator::init();
  63 }
  64
  65 Server::~Server()
  66 {
  67         ode::KeyGenerator::cleanup();
  68 }
  69
  70 void Server::run()
  71 {
  72         // Prepare execution environment
  73         service->start(true);
  74 }
  75
  76 void Server::terminate()
  77 {
  78         service->stop();
  79 }
  80
  81 bool Server::checkPeerPrivilege(const rmi::Credentials& cred, const std::string& privilege)
  82 {
  83         cynara *p_cynara;
  84
  85         if (privilege.empty()) {
  86                 return true;
  87         }
  88
  89         if (::cynara_initialize(&p_cynara, NULL) != CYNARA_API_SUCCESS) {
  90                 ERROR("Failure in cynara API");
  91                 return false;
  92         }
  93
  94         if (::cynara_check(p_cynara, cred.security.c_str(), "",
  95                                            std::to_string(cred.uid).c_str(),
  96                                            privilege.c_str()) != CYNARA_API_ACCESS_ALLOWED) {
  97                 ::cynara_finish(p_cynara);
  98                 ERROR("Access denied: " + cred.security + " : " + privilege);
  99                 return false;
 100         }
 101
 102         ::cynara_finish(p_cynara);
 103
 104         return true;
 105 }
 106
 107 runtime::FileDescriptor Server::registerNotificationSubscriber(const std::string& name)
 108 {
 109         INFO("registerNotificationSubscriber");
 110         INFO(name);
 111         return runtime::FileDescriptor(service->subscribeNotification(name), true);
 112 }
 113
 114 int Server::unregisterNotificationSubscriber(const std::string& name, int id)
 115 {
 116         return service->unsubscribeNotification(name, id);
 117 }