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259 | // Copyright (C) 2017-2024 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 verify control command legal file entry
/// generation and callout: command_processed.
/// These tests assume the legal log library is linked in, not loaded.
/// This allows a great deal more flexibility in testing, such as overriding
/// and accessing the BackendStore::instance().
/// The load and unload callouts are exercised in ../libloadtests, which
/// actually uses the HooksManager to load and unload the library.
#include <config.h>
#include <asiolink/io_service.h>
#include <d2srv/d2_config.h>
#include <gss_tsig_api_utils.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <gss_tsig_impl.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <hooks/callout_manager.h>
#include <hooks/hooks.h>
#include <testutils/gss_tsig_dns_server.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <testutils/gtest_utils.h>
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace isc;
using namespace isc::asiolink;
using namespace isc::data;
using namespace isc::d2;
using namespace isc::gss_tsig;
using namespace isc::gss_tsig::test;
using namespace isc::hooks;
using namespace std;
extern "C" {
extern int select_key(CalloutHandle& handle);
}
namespace isc {
namespace gss_tsig {
extern GssTsigImplPtr impl;
}
}
namespace {
const long TEST_TIMEOUT = 5 * 100; // expressed in milliseconds.
/// @brief Test fixture for exercising flex-id library callouts
/// It fetches the CalloutManager and prepares stub packets that can be used in
/// tests.
class CalloutTest : public GssApiBaseTest {
public:
/// @brief Constructor.
CalloutTest() : io_service_(new IOService()), test_timer_(io_service_),
co_manager_(new CalloutManager(1)), cfg_mgr_(new D2CfgMgr()) {
impl.reset(new GssTsigImpl());
string config = "{\n"
"\"ip-address\": \"127.0.0.1\",\n"
"\"port\": 53001,\n"
"\"dns-server-timeout\" : 1000,\n"
"\"forward-ddns\": {\n"
" \"ddns-domains\": [\n"
" {\n"
" \"name\": \"secure.example.org.\",\n"
" \"dns-servers\": [\n"
" {\n"
" \"ip-address\": \"127.0.0.1\",\n"
" \"port\": 5376\n"
" }\n"
" ]\n"
" }\n"
" ]\n"
"},\n"
"\"reverse-ddns\": {\n"
" \"ddns-domains\": [\n"
" {\n"
" \"name\": \"0.0.127.in-addr.arpa.\",\n"
" \"dns-servers\": [\n"
" {\n"
" \"ip-address\": \"127.0.0.1\",\n"
" \"port\": 5376\n"
" }\n"
" ]\n"
" }\n"
" ]\n"
"}\n"
"}\n";
ConstElementPtr config_set = Element::fromJSON(config);
cfg_mgr_->simpleParseConfig(config_set);
string hook_config = "{\n"
"\"server-principal\": \"DNS/blu.example.nil@EXAMPLE.NIL\",\n"
"\"client-principal\": \"administrator@EXAMPLE.NIL\",\n"
"\"tkey-lifetime\": 7200,\n"
"\"tkey-protocol\": \"UDP\",\n"
"\"servers\": [\n"
" {\n"
" \"domain-names\": [ ],\n"
" \"id\": \"foo\",\n"
" \"ip-address\": \"127.0.0.1\",\n"
" \"port\": 5376,\n"
" \"tkey-lifetime\": 86400,\n"
" \"tkey-protocol\": \"UDP\"\n"
" }\n"
"]\n"
"}\n";
setKeytab();
setAdministratorCCache();
ConstElementPtr hook_config_set = Element::fromJSON(hook_config);
impl->configure(hook_config_set);
D2CfgContextPtr d2_config(cfg_mgr_->getD2CfgContext());
impl->setIOService(io_service_);
impl->finishConfigure(d2_config);
EXPECT_NO_THROW(legacy_key_.reset(new TSIGKeyInfo("test_key",
TSIGKeyInfo::HMAC_MD5_STR,
"GWG/Xfbju4O2iXGqkSu4PQ==")));
// Set the test timeout to break any running tasks if they hang.
test_timer_.setup(std::bind(&CalloutTest::testTimeoutHandler, this),
TEST_TIMEOUT);
impl->start();
}
/// @brief Destructor.
~CalloutTest() {
impl.reset();
test_timer_.cancel();
io_service_->stopAndPoll();
}
/// @brief Fetches the callout manager instance.
boost::shared_ptr<CalloutManager>getCalloutManager() {
return (co_manager_);
}
/// @brief Handler invoked when test timeout is hit
///
/// This callback stops all running (hanging) tasks on IO service.
void testTimeoutHandler() {
io_service_->stop();
}
/// @brief The IOService which handles IO operations.
IOServicePtr io_service_;
/// @brief The timeout timer.
asiolink::IntervalTimer test_timer_;
/// @brief Callout manager accessed by this CalloutHandle.
boost::shared_ptr<CalloutManager> co_manager_;
/// @brief Config manager used to store DNS servers.
boost::shared_ptr<D2CfgMgr> cfg_mgr_;
/// @brief The TSIG Key (non GSS-TSIG key).
TSIGKeyInfoPtr legacy_key_;
/// @brief Dummy DNS server.
boost::shared_ptr<DummyDNSServer> dns_server_;
};
TEST_F(CalloutTest, select_keyNoServerArgument) {<--- syntax error
CalloutHandle handle(getCalloutManager());
ASSERT_THROW_MSG(select_key(handle), NoSuchArgument,
"unable to find argument with name current_server");
}
TEST_F(CalloutTest, select_keyNoTSIGKeyArgument) {
CalloutHandle handle(getCalloutManager());
handle.setArgument("current_server", DnsServerInfoPtr());
ASSERT_THROW_MSG(select_key(handle), NoSuchArgument,
"unable to find argument with name tsig_key");
}
TEST_F(CalloutTest, select_keyNoGSSWithNoFallback) {
CalloutHandle handle(getCalloutManager());
DnsServerPtr server = impl->getServer("foo");
ASSERT_TRUE(server);
ASSERT_TRUE(server->getServerInfos().size());
DnsServerInfoPtr info = server->getServerInfos()[0];
handle.setArgument("current_server", info);
handle.setArgument("tsig_key", legacy_key_->getTSIGKey());
int ret = select_key(handle);
ASSERT_EQ(ret, 0);
// If no GSS-TSIG TKEY is available, the non GSS-TSIG key is not used and
// the server is skipped by updating the callout status.
ASSERT_EQ(handle.getStatus(), CalloutHandle::NEXT_STEP_SKIP);
D2TsigKeyPtr key;
handle.getArgument("tsig_key", key);
ASSERT_EQ(key, legacy_key_->getTSIGKey());
}
TEST_F(CalloutTest, select_keyNoGSSWithFallback) {
CalloutHandle handle(getCalloutManager());
DnsServerPtr server = impl->getServer("foo");
ASSERT_TRUE(server);
ASSERT_TRUE(server->getServerInfos().size());
server->setFallback(true);
DnsServerInfoPtr info = server->getServerInfos()[0];
handle.setArgument("current_server", info);
handle.setArgument("tsig_key", legacy_key_->getTSIGKey());
int ret = select_key(handle);
ASSERT_EQ(ret, 0);
// If no GSS-TSIG TKEY is available, the non GSS-TSIG key is used.
ASSERT_EQ(handle.getStatus(), CalloutHandle::NEXT_STEP_CONTINUE);
D2TsigKeyPtr key;
handle.getArgument("tsig_key", key);
ASSERT_EQ(key, legacy_key_->getTSIGKey());
}
TEST_F(CalloutTest, select_keyGSSWithNoFallback) {
CalloutHandle handle(getCalloutManager());
dns_server_.reset(new DummyDNSServer(io_service_, true, true, false, true, false));
dns_server_->start();
io_service_->run();
DnsServerPtr server = impl->getServer("foo");
ASSERT_TRUE(server);
ASSERT_TRUE(server->getServerInfos().size());
DnsServerInfoPtr info = server->getServerInfos()[0];
handle.setArgument("current_server", info);
handle.setArgument("tsig_key", legacy_key_->getTSIGKey());
int ret = select_key(handle);
ASSERT_EQ(ret, 0);
// If GSS-TSIG TKEY is available it is used instead on the non GSS-TSIG key.
ASSERT_EQ(handle.getStatus(), CalloutHandle::NEXT_STEP_CONTINUE);
D2TsigKeyPtr key;
handle.getArgument("tsig_key", key);
ASSERT_TRUE(key);
ASSERT_NE(key, legacy_key_->getTSIGKey());
ManagedKeyPtr mkey = boost::dynamic_pointer_cast<ManagedKey>(key);
ASSERT_TRUE(mkey);
}
TEST_F(CalloutTest, select_keyGSSWithFallback) {
CalloutHandle handle(getCalloutManager());
dns_server_.reset(new DummyDNSServer(io_service_, true, true, false, true, false));
dns_server_->start();
io_service_->run();
DnsServerPtr server = impl->getServer("foo");
ASSERT_TRUE(server);
ASSERT_TRUE(server->getServerInfos().size());
server->setFallback(true);
DnsServerInfoPtr info = server->getServerInfos()[0];
handle.setArgument("current_server", info);
handle.setArgument("tsig_key", legacy_key_->getTSIGKey());
int ret = select_key(handle);
ASSERT_EQ(ret, 0);
// If GSS-TSIG TKEY is available it is used instead on the non GSS-TSIG key.
ASSERT_EQ(handle.getStatus(), CalloutHandle::NEXT_STEP_CONTINUE);
D2TsigKeyPtr key;
handle.getArgument("tsig_key", key);
ASSERT_TRUE(key);
ASSERT_NE(key, legacy_key_->getTSIGKey());
ManagedKeyPtr mkey = boost::dynamic_pointer_cast<ManagedKey>(key);
ASSERT_TRUE(mkey);
}
}
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