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183 | // Copyright (C) 2020-2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Kea Hooks Basic
// Commercial End User License Agreement v2.0. See COPYING file in the premium/
// directory.
/// @file This file contains tests which exercise the load and unload
/// functions in the high availability hook library. In order to test
/// the load function, one must be able to pass it hook library
/// parameters. The the only way to populate these parameters is by
/// actually loading the library via HooksManager::loadLibraries().
#include <config.h>
#include <cc/data.h>
#include <config/command_mgr.h>
#include <dhcpsrv/testutils/lib_load_test_fixture.h>
#include <hooks/hooks_manager.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::config;
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::hooks;
using namespace isc::process;
namespace {
/// @brief Test fixture for testing loading and unloading the Lease Query library
class LeaseQueryLibLoadTest : public isc::test::LibLoadTest {
public:
/// @brief Constructor
LeaseQueryLibLoadTest() : LibLoadTest(LIBDHCP_LEASE_QUERY_SO) {
}
/// @brief Destructor
/// Removes files that may be left over from previous tests
virtual ~LeaseQueryLibLoadTest() {
}
/// @brief Return basic, valid v4 Lease Query configuration in JSON format.
ElementPtr validConfigParams4() const {
std::string config_text = "{ \"requesters\":[ \"192.0.2.1\" ] }";
return (Element::fromJSON(config_text));
}
/// @brief Return basic, valid v6 Lease Query configuration in JSON format.
ElementPtr validConfigParams6() const {
std::string config_text = "{ \"requesters\":[ \"2001:db8:1::\" ] }";
return (Element::fromJSON(config_text));
}
/// @brief Check if a command is registered.
///
/// @param name name of the command to be checked
/// @return true if the command handler has been registered, false otherwise
bool checkCommandRegistered(const std::string& name) {
// First get the list of registered commands.
ConstElementPtr lst =
Element::fromJSON("{ \"command\": \"list-commands\" }");
ConstElementPtr rsp = CommandMgr::instance().processCommand(lst);
if (!rsp) {
ADD_FAILURE() << "failed to process 'list-commands'";
return (false);
}
ConstElementPtr args = rsp->get("arguments");
if (!args) {
ADD_FAILURE() << "response to list-commands does not"
" contain any arguments";
}
std::string args_txt = args->str();
return (args_txt.find(name) != std::string::npos);
}
};
// Simple test that checks the library can be loaded in a DHCPv4 server.
TEST_F(LeaseQueryLibLoadTest, validLoadDhcp4) {<--- syntax error
validDaemonTest("kea-dhcp4", AF_INET, validConfigParams4());
}
// Simple test that checks the library can be loaded in a DHCPv6 server.
TEST_F(LeaseQueryLibLoadTest, validLoadDhcp6) {
validDaemonTest("kea-dhcp6", AF_INET6, validConfigParams6());
}
// Simple test that checks the library cannot by loaded by invalid daemons.
TEST_F(LeaseQueryLibLoadTest, invalidDaemonLoad) {
// V4 is invalid when family is AF_INET6.
invalidDaemonTest("kea-dhcp4", AF_INET6, validConfigParams4());
invalidDaemonTest("kea-dhcp4", AF_INET6, validConfigParams6());
invalidDaemonTest("kea-dhcp6", AF_INET6, validConfigParams4());
// V6 is invalid when family is AF_INET.
invalidDaemonTest("kea-dhcp6", AF_INET, validConfigParams4());
invalidDaemonTest("kea-dhcp6", AF_INET, validConfigParams6());
invalidDaemonTest("kea-dhcp4", AF_INET, validConfigParams6());
invalidDaemonTest("kea-ctrl-agent", AF_INET, validConfigParams4());
invalidDaemonTest("kea-ctrl-agent", AF_INET6, validConfigParams6());
invalidDaemonTest("kea-dhcp-ddns", AF_INET, validConfigParams4());
invalidDaemonTest("kea-dhcp-ddns", AF_INET6, validConfigParams6());
invalidDaemonTest("bogus", AF_INET, validConfigParams4());
invalidDaemonTest("bogus", AF_INET6, validConfigParams6());
}
// Verifies that an unknown parameter in an otherwise valid v4
// configuration is detected.
TEST_F(LeaseQueryLibLoadTest, unknownParameterLoadDhcp4) {
/// Add unknown element "foo" to valid v4 config.
ElementPtr params = validConfigParams4();
params->set("foo", Element::create("bar"));
// The load should fail.
invalidDaemonTest("kea-dhcp4", AF_INET, params);
}
// Verifies that an unknown parameter in an otherwise valid v6
// configuration is detected.
TEST_F(LeaseQueryLibLoadTest, unknownParameterLoadDhcp6) {
/// Add unknown element "foo" to valid v6 config.
ElementPtr params = validConfigParams6();
params->set("foo", Element::create("bar"));
// The load should fail.
invalidDaemonTest("kea-dhcp6", AF_INET6, params);
}
// Verifies that the extended-info4-upgrade command is registered in v4.
TEST_F(LeaseQueryLibLoadTest, commands4) {
// Set family and daemon's proc name.
CfgMgr::instance().setFamily(AF_INET);
Daemon::setProcName("kea-dhcp4");
// Before loading the hook no commands are known.
ASSERT_FALSE(checkCommandRegistered("extended-info4-upgrade"));
ASSERT_FALSE(checkCommandRegistered("extended-info6-upgrade"));
// Load the library.
clearLibraries();
ASSERT_NO_THROW(addLibrary(lib_so_name_, validConfigParams4()));
ASSERT_NO_THROW(loadLibraries());
// The v4 command was registered during the load() call.
EXPECT_TRUE(checkCommandRegistered("extended-info4-upgrade"));
EXPECT_FALSE(checkCommandRegistered("extended-info6-upgrade"));
// Unload the library.
ASSERT_NO_THROW(unloadLibraries());
EXPECT_FALSE(checkCommandRegistered("extended-info4-upgrade"));
EXPECT_FALSE(checkCommandRegistered("extended-info6-upgrade"));
}
// Verifies that a few commands are registered in v6.
TEST_F(LeaseQueryLibLoadTest, commands6) {
// Set family and daemon's proc name.
CfgMgr::instance().setFamily(AF_INET6);
Daemon::setProcName("kea-dhcp6");
// Before loading the hook no commands are known.
ASSERT_FALSE(checkCommandRegistered("extended-info4-upgrade"));
ASSERT_FALSE(checkCommandRegistered("extended-info6-upgrade"));
// Load the library.
clearLibraries();
ASSERT_NO_THROW(addLibrary(lib_so_name_, validConfigParams6()));
ASSERT_NO_THROW(loadLibraries());
// The v6 command was registered during the load() call.
EXPECT_FALSE(checkCommandRegistered("extended-info4-upgrade"));
EXPECT_TRUE(checkCommandRegistered("extended-info6-upgrade"));
// Unload the library.
ASSERT_NO_THROW(unloadLibraries());
EXPECT_FALSE(checkCommandRegistered("extended-info4-upgrade"));
EXPECT_FALSE(checkCommandRegistered("extended-info6-upgrade"));
}
} // end of anonymous namespace
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