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181 | // Copyright (C) 2019-2022 Internet Systems Consortium, Inc. ("ISC")
//
// 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/.
/// @file This file contains tests which exercise the pkt[46]_send callouis
/// called by the flexible option hook library. In order to test the callouts
/// one must be able to pass to the load function it hook library parameters
/// because the only way to populate these parameters is by actually loading
/// the library via HooksManager::loadLibraries().
#include <config.h>
#include <flex_option.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <hooks/hooks.h>
#include <hooks/hooks_manager.h>
#include <hooks/callout_manager.h>
#include <dhcp/pkt4.h>
#include <dhcp/pkt6.h>
#include <dhcpsrv/cfgmgr.h>
#include <process/daemon.h>
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <errno.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace std;
using namespace isc;
using namespace isc::hooks;
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::process;
namespace {
/// @brief Structure that holds registered hook indexes.
struct TestHooks {
/// @brief Index of pkt4_send callout.
int hook_index_pkt4_send_;
/// @brief Index of pkt6_send callout.
int hook_index_pkt6_send_;
/// @brief Constructor
///
/// The constructor registers hook points for callout tests.
TestHooks() {
hook_index_pkt4_send_ = HooksManager::registerHook("pkt4_send");
hook_index_pkt6_send_ = HooksManager::registerHook("pkt6_send");
}
};
TestHooks testHooks;
/// @brief Test fixture for testing callouts called by the flex-option library
class CalloutTest : public ::testing::Test {
public:
/// @brief Constructor
CalloutTest() {
reset();
}
/// @brief Destructor
/// Removes files that may be left over from previous tests
virtual ~CalloutTest() {
reset();
}
/// @brief Removes files that may be left over from previous tests
virtual void reset() {
HooksManager::unloadLibraries();
}
void addLib(const std::string& lib, ConstElementPtr params) {
libraries_.push_back(make_pair(lib, params));
}
void loadLibs() {
EXPECT_TRUE(HooksManager::loadLibraries(libraries_));
}
void unloadLibs() {
EXPECT_NO_THROW(HooksManager::unloadLibraries());
}
HookLibsCollection libraries_;
};
// Simple test which exercises the pkt4_send callout.
TEST_F(CalloutTest, pkt4Send) {<--- syntax error
// Prepare load() parameters.
ElementPtr params = Element::createMap();
ElementPtr options = Element::createList();
params->set("options", options);
ElementPtr option = Element::createMap();
options->add(option);
ElementPtr code = Element::create(DHO_HOST_NAME);
option->set("code", code);
ElementPtr add = Element::create(string("'abc'"));
option->set("add", add);
// Set family and proc name.
CfgMgr::instance().setFamily(AF_INET);
Daemon::setProcName("kea-dhcp4");
// Load the library.
addLib(FLEX_OPTION_LIB_SO, params);
loadLibs();
// Prepare packets.
Pkt4Ptr query(new Pkt4(DHCPDISCOVER, 12345));
Pkt4Ptr response(new Pkt4(DHCPOFFER, 12345));
EXPECT_FALSE(response->getOption(DHO_HOST_NAME));
// Get and setup the callout handle.
EXPECT_TRUE(HooksManager::calloutsPresent(testHooks.hook_index_pkt4_send_));
CalloutHandlePtr handle = HooksManager::createCalloutHandle();
handle->setArgument("query4", query);
handle->setArgument("response4", response);
// Execute the callout.
EXPECT_NO_THROW(HooksManager::callCallouts(testHooks.hook_index_pkt4_send_,
*handle));
EXPECT_EQ(0, handle->getStatus());
// Check the result.
OptionPtr opt = response->getOption(DHO_HOST_NAME);
ASSERT_TRUE(opt);
EXPECT_EQ(DHO_HOST_NAME, opt->getType());
const OptionBuffer& buffer = opt->getData();
ASSERT_EQ(3, buffer.size());
EXPECT_EQ(0, memcmp(&buffer[0], "abc", 3));
}
// Simple test which exercises the pkt6_send callout.
TEST_F(CalloutTest, pkt6Send) {
// Prepare load() parameters.
ElementPtr params = Element::createMap();
ElementPtr options = Element::createList();
params->set("options", options);
ElementPtr option = Element::createMap();
options->add(option);
ElementPtr code = Element::create(D6O_BOOTFILE_URL);
option->set("code", code);
ElementPtr supersede = Element::create(string("'abc'"));
option->set("supersede", supersede);
// Set family and proc name.
CfgMgr::instance().setFamily(AF_INET6);
Daemon::setProcName("kea-dhcp6");
// Load the library.
addLib(FLEX_OPTION_LIB_SO, params);
loadLibs();
// Prepare packets.
Pkt6Ptr query(new Pkt6(DHCPV6_SOLICIT, 12345));
Pkt6Ptr response(new Pkt6(DHCPV6_ADVERTISE, 12345));
EXPECT_FALSE(response->getOption(D6O_BOOTFILE_URL));
// Get and setup the callout handle.
EXPECT_TRUE(HooksManager::calloutsPresent(testHooks.hook_index_pkt6_send_));
CalloutHandlePtr handle = HooksManager::createCalloutHandle();
handle->setArgument("query6", query);
handle->setArgument("response6", response);
// Execute the callout.
EXPECT_NO_THROW(HooksManager::callCallouts(testHooks.hook_index_pkt6_send_,
*handle));
EXPECT_EQ(0, handle->getStatus());
// Check the result.
OptionPtr opt = response->getOption(D6O_BOOTFILE_URL);
ASSERT_TRUE(opt);
EXPECT_EQ(D6O_BOOTFILE_URL, opt->getType());
const OptionBuffer& buffer = opt->getData();
ASSERT_EQ(3, buffer.size());
EXPECT_EQ(0, memcmp(&buffer[0], "abc", 3));
}
} // end of anonymous namespace
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