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// Copyright (C) 2022 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <memory>
#include <iostream>
#include <gtest/gtest.h>
#include "../../common/utility.hpp"
namespace {
std::string configuration_file { "/vsomeip/0_0/vsomeip_security.json" };
vsomeip_v3::uid_t valid_uid { 0 };
vsomeip_v3::uid_t invalid_uid { 1234567 };
vsomeip_v3::gid_t valid_gid { 0 };
vsomeip_v3::service_t valid_service { 0xf913 };
vsomeip_v3::service_t invalid_service { 0x41 };
}
TEST(is_policy_update_allowed, check_whitelist_disabled)
{
// Test object.
std::unique_ptr<vsomeip_v3::policy_manager_impl> security(new vsomeip_v3::policy_manager_impl);
// Get some configurations.
std::set<std::string> its_failed;
std::vector<vsomeip_v3::configuration_element> policy_elements;
std::set<std::string> input { utility::get_policies_path() + configuration_file };
utility::read_data(input, policy_elements, its_failed);
// Load the configuration into the security.
ASSERT_GT(policy_elements.size(), 0) << "Failed to fetch policy elements!";
const bool check_whitelist { false };
utility::add_security_whitelist(policy_elements.at(0), check_whitelist);
security->load(policy_elements.at(0), false);
// Create policy credentials.
boost::icl::discrete_interval<uid_t> its_uids(valid_uid, valid_uid);
boost::icl::interval_set<gid_t> its_gids;
its_gids.insert(boost::icl::interval<gid_t>::closed(valid_gid, valid_gid));
// Create a policy.
std::shared_ptr<vsomeip::policy> policy(std::make_shared<vsomeip::policy>());
policy->credentials_ += std::make_pair(its_uids, its_gids);
policy->allow_who_ = true;
policy->allow_what_ = true;
// NO REQUESTS IN POLICY ---------------------------------------------------------------------//
EXPECT_TRUE(security->is_policy_update_allowed(invalid_uid, policy))
<< "Failed to allow policy update with invalid user id when check_whitelist is "
"disabled!";
EXPECT_TRUE(security->is_policy_update_allowed(valid_uid, policy))
<< "Failed to allow policy update with valid user id when check_whitelist is "
"disabled!";
// ONLY VALID REQUESTS IN POLICY -------------------------------------------------------------//
boost::icl::discrete_interval<vsomeip::instance_t> its_instances(0x1, 0x2);
boost::icl::interval_set<vsomeip::method_t> its_methods;
its_methods.insert(boost::icl::interval<vsomeip::method_t>::closed(0x01, 0x2));
boost::icl::interval_map<vsomeip::instance_t, boost::icl::interval_set<vsomeip::method_t>>
its_instances_methods;
its_instances_methods += std::make_pair(its_instances, its_methods);
// Add a valid request to the policy.
policy->requests_ += std::make_pair(
boost::icl::discrete_interval<vsomeip::service_t>(
valid_service, valid_service, boost::icl::interval_bounds::closed()),
its_instances_methods);
EXPECT_TRUE(security->is_policy_update_allowed(invalid_uid, policy))
<< "Failed to allow policy update with invalid user id and valid request when "
"check_whitelist is disabled!";
EXPECT_TRUE(security->is_policy_update_allowed(valid_uid, policy))
<< "Failed to allow policy update with valid user id and valid request when "
"check_whitelist is disabled!";
// INVALID REQUESTS IN POLICY ----------------------------------------------------------------//
// Add a invalid request to the policy.
policy->requests_ += std::make_pair(
boost::icl::discrete_interval<vsomeip::service_t>(
invalid_service, invalid_service, boost::icl::interval_bounds::closed()),
its_instances_methods);
EXPECT_TRUE(security->is_policy_update_allowed(invalid_uid, policy))
<< "Failed to allow policy update with invalid user id and invalid request when "
"check_whitelist is disabled!";
EXPECT_TRUE(security->is_policy_update_allowed(valid_uid, policy))
<< "Failed to allow policy update with valid user id and invalid request when "
"check_whitelist is disabled!";
}
TEST(is_policy_update_allowed, check_whitelist_enabled)
{
// Test object.
std::unique_ptr<vsomeip_v3::policy_manager_impl> security(new vsomeip_v3::policy_manager_impl);
// Get some configurations.
std::set<std::string> its_failed;
std::vector<vsomeip_v3::configuration_element> policy_elements;
std::set<std::string> input { utility::get_policies_path() + configuration_file };
utility::read_data(input, policy_elements, its_failed);
// Load the policy into the security.
ASSERT_GT(policy_elements.size(), 0) << "Failed to fetch policy elements!";
const bool check_whitelist { true };
utility::add_security_whitelist(policy_elements.at(0), check_whitelist);
security->load(policy_elements.at(0), false);
// Create policy credentials.
boost::icl::discrete_interval<uid_t> its_uids(valid_uid, valid_uid);
boost::icl::interval_set<gid_t> its_gids;
its_gids.insert(boost::icl::interval<gid_t>::closed(valid_gid, valid_gid));
// Create a policy.
std::shared_ptr<vsomeip::policy> policy(std::make_shared<vsomeip::policy>());
policy->credentials_ += std::make_pair(its_uids, its_gids);
policy->allow_who_ = true;
policy->allow_what_ = true;
// NO REQUESTS IN POLICY ---------------------------------------------------------------------//
EXPECT_FALSE(security->is_policy_update_allowed(invalid_uid, policy))
<< "Failed to deny policy update with invalid user id!";
EXPECT_TRUE(security->is_policy_update_allowed(valid_uid, policy))
<< "Failed to allow policy update with valid user id!";
// ONLY VALID REQUESTS IN POLICY -------------------------------------------------------------//
boost::icl::discrete_interval<vsomeip::instance_t> its_instances(0x1, 0x2);
boost::icl::interval_set<vsomeip::method_t> its_methods;
its_methods.insert(boost::icl::interval<vsomeip::method_t>::closed(0x01, 0x2));
boost::icl::interval_map<vsomeip::instance_t, boost::icl::interval_set<vsomeip::method_t>>
its_instances_methods;
its_instances_methods += std::make_pair(its_instances, its_methods);
// Add valid request to the policy.
policy->requests_ += std::make_pair(
boost::icl::discrete_interval<vsomeip::service_t>(
valid_service, valid_service, boost::icl::interval_bounds::closed()),
its_instances_methods);
EXPECT_FALSE(security->is_policy_update_allowed(invalid_uid, policy))
<< "Failed to deny policy update with invalid user id and valid request!";
EXPECT_TRUE(security->is_policy_update_allowed(valid_uid, policy))
<< "Failed to allow policy update with valid user id and valid request!";
// INVALID REQUESTS IN POLICY ----------------------------------------------------------------//
// Add invalid request to the policy.
policy->requests_ += std::make_pair(
boost::icl::discrete_interval<vsomeip::service_t>(
invalid_service, invalid_service, boost::icl::interval_bounds::closed()),
its_instances_methods);
EXPECT_FALSE(security->is_policy_update_allowed(invalid_uid, policy))
<< "Failed to deny policy update with invalid user id and invalid request!";
EXPECT_FALSE(security->is_policy_update_allowed(valid_uid, policy))
<< "Failed to deny policy update with valid user id and invalid request!";
}
TEST(is_policy_update_allowed, null_policy)
{
// Test objects.
std::unique_ptr<vsomeip_v3::policy_manager_impl> security(new vsomeip_v3::policy_manager_impl);
std::shared_ptr<vsomeip_v3::policy> policy = nullptr;
// NO POLICIES LOADED ------------------------------------------------------------------------//
ASSERT_EXIT((security->is_policy_update_allowed(0, policy), exit(0)),
testing::ExitedWithCode(0), ".*")
<< "Could not handle a nullptr when no policies are loaded!";
EXPECT_TRUE(security->is_policy_update_allowed(0, policy))
<< "Denied update of policy when security whitelist is not loaded!";
// LOADED POLICY W/O SECURITY WHITELIST ------------------------------------------------------//
// Get some configurations.
std::set<std::string> its_failed;
std::vector<vsomeip_v3::configuration_element> policy_elements;
std::set<std::string> input { utility::get_policies_path() + configuration_file };
utility::read_data(input, policy_elements, its_failed);
// Load the policy into the security.
ASSERT_GT(policy_elements.size(), 0) << "Failed to fetch policy elements!";
security->load(policy_elements.at(0), false);
ASSERT_EXIT((security->is_policy_update_allowed(0, policy), exit(0)),
testing::ExitedWithCode(0), ".*")
<< "Could not handle a nullptr when a policy without a security whitelist was loaded!";
EXPECT_TRUE(security->is_policy_update_allowed(0, policy))
<< "Denied update of policy when security whitelist is not loaded!";
// LOADED POLICY W/ SECURITY WHITELIST -------------------------------------------------------//
// Add a security whitelist to the policy.
utility::add_security_whitelist(policy_elements.at(0), true);
security->load(policy_elements.at(0), false);
ASSERT_EXIT((security->is_policy_update_allowed(0, policy), exit(0)),
testing::ExitedWithCode(0), ".*")
<< "Could not handle a nullptr when a policy with a security whitelist was loaded!";
EXPECT_FALSE(security->is_policy_update_allowed(0, policy))
<< "Allowed update of invalid policy!";
}
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