--- /dev/null
+// Copyright (C) 2017 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/.
+
+#include <config.h>
+#include <asiolink/io_address.h>
+#include <dhcp/option.h>
+#include <dhcp/option_int.h>
+#include <dhcp/option6_client_fqdn.h>
+#include <dhcp/tests/iface_mgr_test_config.h>
+#include <dhcp6/tests/dhcp6_client.h>
+#include <dhcp6/tests/dhcp6_test_utils.h>
+#include <stats/stats_mgr.h>
+#include <boost/pointer_cast.hpp>
+#include <vector>
+
+using namespace isc;
+using namespace isc::asiolink;
+using namespace isc::dhcp;
+using namespace isc::dhcp::test;
+using namespace isc::stats;
+
+namespace {
+
+/// @brief Array of server configurations used throughout the tests.
+const char* NETWORKS_CONFIG[] = {
+// Configuration #0.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ],"
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"3000::/96\","
+ " \"id\": 1000,"
+ " \"interface\": \"eth0\","
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"3000::1 - 3000::1\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #1.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"relay\": {"
+ " \"ip-address\": \"3001::1\""
+ " },"
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ],"
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 1000,"
+ " \"relay\": {"
+ " \"ip-address\": \"3001::2\""
+ " },"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #2.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"client-classes\": ["
+ " {"
+ " \"name\": \"a-devices\","
+ " \"test\": \"option[1234].hex == 0x0001\""
+ " },"
+ " {"
+ " \"name\": \"b-devices\","
+ " \"test\": \"option[1234].hex == 0x0002\""
+ " }"
+ " ],"
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ],"
+ " \"client-class\": \"a-devices\""
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #3.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"client-classes\": ["
+ " {"
+ " \"name\": \"a-devices\","
+ " \"test\": \"option[1234].hex == 0x0001\""
+ " },"
+ " {"
+ " \"name\": \"b-devices\","
+ " \"test\": \"option[1234].hex == 0x0002\""
+ " }"
+ " ],"
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ],"
+ " \"client-class\": \"a-devices\""
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ],"
+ " \"client-class\": \"b-devices\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #4.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::1 - 2001:db8:1::64\""
+ " }"
+ " ],"
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"00:03:00:01:aa:bb:cc:dd:ee:ff\","
+ " \"ip-addresses\": [ \"2001:db8:1::28\" ]"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::1 - 2001:db8:2::64\""
+ " }"
+ " ],"
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"00:03:00:01:11:22:33:44:55:66\","
+ " \"ip-addresses\": [ \"2001:db8:2::28\" ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #5.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::1 - 2001:db8:1::64\""
+ " }"
+ " ],"
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"00:03:00:01:11:22:33:44:55:66\","
+ " \"ip-addresses\": [ \"2001:db8:1::28\" ]"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::1 - 2001:db8:2::64\""
+ " }"
+ " ],"
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"00:03:00:01:aa:bb:cc:dd:ee:ff\","
+ " \"ip-addresses\": [ \"2001:db8:2::28\" ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #6.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"client-classes\": ["
+ " {"
+ " \"name\": \"a-devices\","
+ " \"test\": \"option[1234].hex == 0x0001\""
+ " }"
+ " ],"
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::1 - 2001:db8:1::64\""
+ " }"
+ " ],"
+ " \"client-class\": \"a-devices\","
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"00:03:00:01:aa:bb:cc:dd:ee:ff\","
+ " \"ip-addresses\": [ \"2001:db8:1::28\" ]"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::16 - 2001:db8:2::16\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #7.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"option-data\": ["
+ " {"
+ " \"name\": \"nis-servers\","
+ " \"data\": \"3000::20\""
+ " }"
+ " ],"
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"option-data\": ["
+ " {"
+ " \"name\": \"dns-servers\","
+ " \"data\": \"3001::21\""
+ " },"
+ " {"
+ " \"name\": \"nisp-servers\","
+ " \"data\": \"3002::34\""
+ " }"
+ " ],"
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"option-data\": ["
+ " {"
+ " \"name\": \"sntp-servers\","
+ " \"data\": \"4004::22\""
+ " },"
+ " {"
+ " \"name\": \"nisp-servers\","
+ " \"data\": \"3003::33\""
+ " }"
+ " ],"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ],"
+ " \"subnet6\": ["
+ " \{"
+ " \"subnet\": \"3000::/96\","
+ " \"id\": 1000,"
+ " \"interface\": \"eth0\","
+ " \"option-data\": ["
+ " {"
+ " \"name\": \"nisp-servers\","
+ " \"data\": \"4000::5\""
+ " }"
+ " ],"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"3000::1 - 3000::1\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #8.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"name\": \"dog\","
+ " \"interface\": \"eth0\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:3::/64\","
+ " \"id\": 1000,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:3::20 - 2001:db8:3::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:4::/64\","
+ " \"id\": 10000,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:4::20 - 2001:db8:4::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #9.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"relay\": {"
+ " \"ip-address\": \"3000::1\""
+ " },"
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"name\": \"dog\","
+ " \"relay\": {"
+ " \"ip-address\": \"3000::2\""
+ " },"
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:3::/64\","
+ " \"id\": 1000,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:3::20 - 2001:db8:3::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:4::/64\","
+ " \"id\": 10000,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:4::20 - 2001:db8:4::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #10.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"client-classes\": ["
+ " {"
+ " \"name\": \"class-with-dns-servers\","
+ " \"option-data\": ["
+ " {"
+ " \"name\": \"dns-servers\","
+ " \"data\": \"2001:db8:1::50\""
+ " }"
+ " ]"
+ " }"
+ " ],"
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 100,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ],"
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"00:03:00:01:11:22:33:44:55:66\","
+ " \"hostname\": \"test.example.org\","
+ " \"client-classes\": [ \"class-with-dns-servers\" ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}",
+
+// Configuration #11.
+ "{"
+ " \"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ " },"
+ " \"preferred-lifetime\": 3000,"
+ " \"rebind-timer\": 2000, "
+ " \"renew-timer\": 1000, "
+ " \"client-classes\": ["
+ " {"
+ " \"name\": \"a-devices\","
+ " \"test\": \"option[1234].hex == 0x0001\""
+ " },"
+ " {"
+ " \"name\": \"b-devices\","
+ " \"test\": \"option[1234].hex == 0x0002\""
+ " }"
+ " ],"
+ " \"shared-networks\": ["
+ " {"
+ " \"name\": \"frog\","
+ " \"interface\": \"eth1\","
+ " \"client-class\": \"a-devices\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:1::/64\","
+ " \"id\": 10,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:1::20 - 2001:db8:1::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " },"
+ " {"
+ " \"name\": \"dog\","
+ " \"interface\": \"eth1\","
+ " \"client-class\": \"b-devices\","
+ " \"subnet6\": ["
+ " {"
+ " \"subnet\": \"2001:db8:2::/64\","
+ " \"id\": 1000,"
+ " \"pools\": ["
+ " {"
+ " \"pool\": \"2001:db8:2::20 - 2001:db8:2::20\""
+ " }"
+ " ]"
+ " }"
+ " ]"
+ " }"
+ " ]"
+ "}"
+};
+
+/// @Brief Test fixture class for DHCPv6 server using shared networks.
+class Dhcpv6SharedNetworkTest : public Dhcpv6SrvTest {
+public:
+
+ /// @brief Constructor.
+ Dhcpv6SharedNetworkTest()
+ : Dhcpv6SrvTest(),
+ iface_mgr_test_config_(true) {
+ IfaceMgr::instance().openSockets6();
+ StatsMgr::instance().removeAll();
+ }
+
+ /// @brief Destructor.
+ virtual ~Dhcpv6SharedNetworkTest() {
+ StatsMgr::instance().removeAll();
+ }
+
+ /// @brief Interface Manager's fake configuration control.
+ IfaceMgrTestConfig iface_mgr_test_config_;
+};
+
+// Running out of addresses within a subnet in a shared network.
+TEST_F(Dhcpv6SharedNetworkTest, addressPoolInSharedNetworkShortage) {
+ // Create client #1.
+ Dhcp6Client client1;
+ client1.setInterface("eth1");
+
+ // Configure the server with one shared network including two subnets and
+ // one subnet outside of the shared network.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[0], *client1.getServer()));
+
+ // Client #1 requests an address in first subnet within a shared network.
+ ASSERT_NO_THROW(client1.requestAddress(0xabca, IOAddress("2001:db8:1::20")));
+ ASSERT_NO_THROW(client1.doSARR());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+
+ // Client #2 The second client will request a lease and should be assigned
+ // an address from the second subnet.
+ Dhcp6Client client2(client1.getServer());
+ client2.setInterface("eth1");
+ ASSERT_NO_THROW(client2.requestAddress(0xabca0));
+ ASSERT_NO_THROW(client2.doSARR());
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+
+ // Cient #3. It sends Solicit which should result in NoAddrsAvail status
+ // code because all addresses available for this link have been assigned.
+ Dhcp6Client client3(client1.getServer());
+ client3.setInterface("eth1");
+ ASSERT_NO_THROW(client3.requestAddress(0xabca0));
+ ASSERT_NO_THROW(client3.doSolicit(true));
+ EXPECT_EQ(0, client3.getLeaseNum());
+
+ // Client #3 should be assigned an address if subnet 3 is selected for it.
+ client3.setInterface("eth0");
+ ASSERT_NO_THROW(client3.doSolicit(true));
+ EXPECT_EQ(1, client3.getLeaseNum());
+
+ // Client #1 should be able to renew its lease.
+ ASSERT_NO_THROW(client1.doRenew());
+ EXPECT_EQ(1, client1.getLeaseNum());
+ EXPECT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+
+ // Client #2 should be able to renew its lease too.
+ ASSERT_NO_THROW(client2.doRenew());
+ EXPECT_EQ(1, client2.getLeaseNum());
+ EXPECT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+}
+
+// Shared network is selected based on relay link address.
+TEST_F(Dhcpv6SharedNetworkTest, sharedNetworkSelectedByRelay) {
+ // Create client #1. This is a relayed client which is using relay address
+ // matching configured shared network.
+ Dhcp6Client client1;
+ client1.useRelay(true, IOAddress("3001::1"));
+
+ // Configure the server with one shared network and one subnet outside of the
+ // shared network.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[1], *client1.getServer()));
+
+ // Client #1 should be assigned an address from shared network.
+ ASSERT_NO_THROW(client1.requestAddress(0xabca));
+ ASSERT_NO_THROW(client1.doSARR());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+
+ // Create client #2. This is a relayed client which is using relay
+ // address matching subnet outside of the shared network.
+ Dhcp6Client client2(client1.getServer());
+ client2.useRelay(true, IOAddress("3001::2"));
+ ASSERT_NO_THROW(client2.requestAddress(0xabca0));
+ ASSERT_NO_THROW(client2.doSARR());
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+}
+
+// Providing a hint for any address belonging to a shared network.
+TEST_F(Dhcpv6SharedNetworkTest, hintWithinSharedNetwork) {
+ // Create client #1.
+ Dhcp6Client client;
+ client.setInterface("eth1");
+
+ // Configure the server with one shared network including two subnets and
+ // one subnet outside of the shared network.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[0], *client.getServer()));
+
+ // Provide a hint to an existing address within first subnet. This address
+ // should be offered out of this subnet.
+ ASSERT_NO_THROW(client.requestAddress(0xabca, IOAddress("2001:db8:1::20")));
+ ASSERT_NO_THROW(client.doSolicit(true));
+ ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+
+ // Similarly, we should be offerred an address from another subnet within
+ // the same shared network when we ask for it.
+ client.clearRequestedIAs();
+ ASSERT_NO_THROW(client.requestAddress(0xabca, IOAddress("2001:db8:2::20")));
+ ASSERT_NO_THROW(client.doSolicit(true));
+ ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+
+ // Asking for an address that is not in address pool should result in getting
+ // an address from one of the subnets, but generally hard to tell from which one.
+ client.clearRequestedIAs();
+ ASSERT_NO_THROW(client.requestAddress(0xabca, IOAddress("3002::123")));
+ ASSERT_NO_THROW(client.doSolicit(true));
+ std::vector<Lease6> leases = client.getLeasesByType(Lease::TYPE_NA);
+ ASSERT_EQ(1, leases.size());
+ if (!client.hasLeaseForAddress(IOAddress("2001:db8:1::20")) &&
+ !client.hasLeaseForAddress(IOAddress("2001:db8:2::20"))) {
+ ADD_FAILURE() << "Unexpected address advertised by the server " << leases.at(0).addr_;
+ }
+}
+
+// Shared network is selected based on the client class specified.
+TEST_F(Dhcpv6SharedNetworkTest, subnetInSharedNetworkSelectedByClass) {
+ // Create client #1.
+ Dhcp6Client client1;
+ client1.setInterface("eth1");
+
+ // Configure the server with one shared network including two subnets and
+ // one subnet outside of the shared network.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[2], *client1.getServer()));
+
+ // Client #1 requests an address in the restricted subnet but can't be assigned
+ // this address because the client doesn't belong to a certain class.
+ ASSERT_NO_THROW(client1.requestAddress(0xabca, IOAddress("2001:db8:1::20")));
+ ASSERT_NO_THROW(client1.doSARR());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+
+ // Release the lease that the client has got, because we'll need this address
+ // further in the test.
+ client1.doRelease();
+
+ // Add option 1234 which would cause the client to be classified as "a-devices".
+ OptionPtr option1234(new OptionUint16(Option::V6, 1234, 0x0001));
+ client1.addExtraOption(option1234);
+
+ // This time, the allocation of the address provided as hint should be successful.
+ ASSERT_NO_THROW(client1.doSARR());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+
+
+ // Client 2 should be assigned an address from the unrestricted subnet.
+ Dhcp6Client client2(client1.getServer());
+ client2.setInterface("eth1");
+ ASSERT_NO_THROW(client2.requestAddress(0xabca0));
+ ASSERT_NO_THROW(client2.doSARR());
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+
+ // Now, let's reconfigure the server to also apply restrictions on the
+ // subnet to which client2 now belongs.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[3], *client1.getServer()));
+
+ ASSERT_NO_THROW(client2.doRenew());
+ EXPECT_EQ(0, client2.getLeaseNum());
+
+ // If we add option 1234 with a value matching this class, the lease should
+ // get renewed.
+ OptionPtr option1234_bis(new OptionUint16(Option::V6, 1234, 0x0002));
+ client2.addExtraOption(option1234_bis);
+ ASSERT_NO_THROW(client2.doRenew());
+ EXPECT_EQ(1, client2.getLeaseNum());
+}
+
+// IPv6 address reservation exists in one of the subnets within shared network.
+TEST_F(Dhcpv6SharedNetworkTest, reservationInSharedNetwork) {
+ // Create client #1. Explicitly set client's DUID to the one that has a
+ // reservation in the second subnet within shared network.
+ Dhcp6Client client1;
+ client1.setInterface("eth1");
+ client1.setDUID("00:03:00:01:11:22:33:44:55:66");
+
+ // Create server configuration with a shared network including two subnets. There
+ // is an IP address reservation in each subnet for two respective clients.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[4], *client1.getServer()));
+
+ // Client #1 should get his reserved address from the second subnet.
+ ASSERT_NO_THROW(client1.requestAddress(0xabca, IOAddress("2001:db8:1::20")));
+ ASSERT_NO_THROW(client1.doSARR());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:2::28")));
+
+ // Create client #2.
+ Dhcp6Client client2;
+ client2.setInterface("eth1");
+ client2.setDUID("00:03:00:01:aa:bb:cc:dd:ee:ff");
+
+ // Client #2 should get its reserved address from the first subnet.
+ ASSERT_NO_THROW(client2.requestAddress(0xabca, IOAddress("2001:db8:1::30")));
+ ASSERT_NO_THROW(client2.doSARR());
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:1::28")));
+
+ // Reconfigure the server. Now, the first client get's second client's
+ // reservation and vice versa.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[5], *client1.getServer()));
+
+ // The first client is trying to renew the lease but should get a different lease
+ // because its lease is now reserved for some other client. The client won't be
+ // assigned a lease for which it has a reservation because another client holds
+ // this lease.
+ ASSERT_NO_THROW(client1.doRenew());
+ ASSERT_TRUE(client1.hasLeaseWithZeroLifetimeForAddress(IOAddress("2001:db8:2::28")));
+ ASSERT_FALSE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::28")));
+
+ // The client should be allocated a lease from one of the dynamic pools.
+ if (!client1.hasLeaseForAddressRange(IOAddress("2001:db8:2::1"), IOAddress("2001:db8:2::64")) &&
+ !client1.hasLeaseForAddressRange(IOAddress("2001:db8:1::1"), IOAddress("2001:db8:1::64"))) {
+ ADD_FAILURE() << "unexpected lease allocated for renewing client";
+ }
+
+ // Client #2 is now renewing its lease and should get its newly reserved address.
+ ASSERT_NO_THROW(client2.doRenew());
+ ASSERT_TRUE(client2.hasLeaseWithZeroLifetimeForAddress(IOAddress("2001:db8:1::28")));
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:2::28")));
+
+ // Same for client #1.
+ ASSERT_NO_THROW(client1.doRenew());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::28")));
+}
+
+// Reserved address can't be assigned as long as access to a subnet is
+// restricted by classification.
+TEST_F(Dhcpv6SharedNetworkTest, reservationAccessRestrictedByClass) {
+ // Create client #1. Explicitly set client's DUID to the one that has a
+ // reservation in the firstsubnet within shared network.
+ Dhcp6Client client;
+ client.setInterface("eth1");
+ client.setDUID("00:03:00:01:aa:bb:cc:dd:ee:ff");
+
+ // Create server configuration with a shared network including two subnets. Access to
+ // one of the subnets is restricted by client classification.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[6], *client.getServer()));
+
+ // Assigned address should be allocated from the second subnet, because the
+ // client doesn't belong to the "a-devices" class.
+ ASSERT_NO_THROW(client.requestAddress(0xabca));
+ ASSERT_NO_THROW(client.doSARR());
+ ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:2::16")));
+
+ // Add option 1234 which would cause the client to be classified as "a-devices".
+ OptionPtr option1234(new OptionUint16(Option::V6, 1234, 0x0001));
+ client.addExtraOption(option1234);
+
+ // The client should now be assigned the reserved address from the first subnet.
+ ASSERT_NO_THROW(client.doRenew());
+ ASSERT_TRUE(client.hasLeaseWithZeroLifetimeForAddress(IOAddress("2001:db8:2::16")));
+ ASSERT_TRUE(client.hasLeaseForAddress(IOAddress("2001:db8:1::28")));
+}
+
+// Some options are specified on the shared subnet level, some on the
+// subnets level.
+TEST_F(Dhcpv6SharedNetworkTest, optionsDerivation) {
+ // Client #1.
+ Dhcp6Client client1;
+ client1.setInterface("eth1");
+
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[7], *client1.getServer()));
+
+ // Client #1 belongs to shared network. By providing a hint "2001:db8:1::20 we force
+ // the server to select first subnet within the shared network for this client.
+ ASSERT_NO_THROW(client1.requestAddress(0xabca, IOAddress("2001:db8:1::20")));
+
+ // Request all configured options.
+ ASSERT_NO_THROW(client1.requestOption(D6O_NIS_SERVERS));
+ ASSERT_NO_THROW(client1.requestOption(D6O_NISP_SERVERS));
+ ASSERT_NO_THROW(client1.requestOption(D6O_NAME_SERVERS));
+ ASSERT_NO_THROW(client1.requestOption(D6O_SNTP_SERVERS));
+
+ // Perform 4-way exchange and make sure we have been assigned address from the
+ // subnet we wanted.
+ ASSERT_NO_THROW(client1.doSARR());
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+
+ // This option is specified on the global level.
+ ASSERT_TRUE(client1.hasOptionWithAddress(D6O_NIS_SERVERS, "3000::20"));
+
+ // Subnet specific value should override a value specified on the shared network level.
+ ASSERT_TRUE(client1.hasOptionWithAddress(D6O_NISP_SERVERS, "3003::33"));
+
+ // Shared network level value should be derived to the subnet.
+ ASSERT_TRUE(client1.hasOptionWithAddress(D6O_NAME_SERVERS, "3001::21"));
+
+ // This option is only specified in the subnet level.
+ ASSERT_TRUE(client1.hasOptionWithAddress(D6O_SNTP_SERVERS, "4004::22"));
+
+ // Client #2.
+ Dhcp6Client client2(client1.getServer());
+ client2.setInterface("eth1");
+
+ // Request an address from the second subnet within the shared network.
+ ASSERT_NO_THROW(client2.requestAddress(0xabca, IOAddress("2001:db8:2::20")));
+
+ // Request all configured options.
+ ASSERT_NO_THROW(client2.requestOption(D6O_NIS_SERVERS));
+ ASSERT_NO_THROW(client2.requestOption(D6O_NISP_SERVERS));
+ ASSERT_NO_THROW(client2.requestOption(D6O_NAME_SERVERS));
+ ASSERT_NO_THROW(client2.requestOption(D6O_SNTP_SERVERS));
+
+ // Perform 4-way exchange and make sure we have been assigned address from the
+ // subnet we wanted.
+ ASSERT_NO_THROW(client2.doSARR());
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+
+ // This option is specified on the global level.
+ ASSERT_TRUE(client2.hasOptionWithAddress(D6O_NIS_SERVERS, "3000::20"));
+
+ // Shared network level value should be derived to the subnet.
+ ASSERT_TRUE(client2.hasOptionWithAddress(D6O_NAME_SERVERS, "3001::21"));
+ ASSERT_TRUE(client2.hasOptionWithAddress(D6O_NISP_SERVERS, "3002::34"));
+
+ // Client #3.
+ Dhcp6Client client3(client1.getServer());
+ client3.setInterface("eth0");
+
+ // Request an address from the subnet outside of the shared network.
+ ASSERT_NO_THROW(client2.requestAddress(0xabca, IOAddress("3000::1")));
+
+ // Request all configured options.
+ ASSERT_NO_THROW(client3.requestOption(D6O_NIS_SERVERS));
+ ASSERT_NO_THROW(client3.requestOption(D6O_NISP_SERVERS));
+ ASSERT_NO_THROW(client3.requestOption(D6O_NAME_SERVERS));
+ ASSERT_NO_THROW(client3.requestOption(D6O_SNTP_SERVERS));
+
+ // Perform 4-way exchange and make sure we have been assigned address from the
+ // subnet we wanted.
+ ASSERT_NO_THROW(client3.doSARR());
+ ASSERT_TRUE(client3.hasLeaseForAddress(IOAddress("3000::1")));
+
+ // This option is specified on the global level.
+ ASSERT_TRUE(client3.hasOptionWithAddress(D6O_NIS_SERVERS, "3000::20"));
+
+ // Subnet specific value should be assigned.
+ ASSERT_TRUE(client3.hasOptionWithAddress(D6O_NISP_SERVERS, "4000::5"));
+}
+
+// Different shared network is selected for different local interface.
+TEST_F(Dhcpv6SharedNetworkTest, sharedNetworkSelectionByInterface) {
+ // Create client #1. The server receives requests from this client
+ // via interface eth1 and should assign shared network "frog" for
+ // this client.
+ Dhcp6Client client1;
+ client1.setInterface("eth1");
+ client1.requestAddress(0xabca);
+
+ // Create server configuration with two shared networks selected
+ // by the local interface: eth1 and eth0.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[8], *client1.getServer()));
+
+ // Client #1 should be assigned an address from one of the two subnets
+ // belonging to the first shared network.
+ ASSERT_NO_THROW(client1.doSARR());
+ if (!client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")) &&
+ !client1.hasLeaseForAddress(IOAddress("2001:db8:2::20"))) {
+ ADD_FAILURE() << "unexpected shared network selected for the client";
+ }
+
+ // Client #2.
+ Dhcp6Client client2;
+ client2.setInterface("eth0");
+ client2.requestAddress(0xabca);
+
+ // Client #2 should be assigned an address from one of the two subnets
+ // belonging to the second shared network.
+ ASSERT_NO_THROW(client2.doSARR());
+ if (!client2.hasLeaseForAddress(IOAddress("2001:db8:3::20")) &&
+ !client2.hasLeaseForAddress(IOAddress("2001:db8:4::20"))) {
+ ADD_FAILURE() << "unexpected shared network selected for the client";
+ }
+}
+
+// Different shared network is selected for different relay address.
+TEST_F(Dhcpv6SharedNetworkTest, sharedNetworkSelectionByRelay) {
+ // Create relayed client #1.
+ Dhcp6Client client1;
+ client1.useRelay(true, IOAddress("3000::1"));
+ client1.requestAddress(0xabcd);
+
+ // Create server configuration with two shared networks selected
+ // by the relay address.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[9], *client1.getServer()));
+
+ // Client #1 should be assigned an address from one of the two subnets
+ // belonging to the first shared network.
+ ASSERT_NO_THROW(client1.doSARR());
+ if (!client1.hasLeaseForAddress(IOAddress("2001:db8:1::20")) &&
+ !client1.hasLeaseForAddress(IOAddress("2001:db8:2::20"))) {
+ ADD_FAILURE() << "unexpected shared network selected for the client";
+ }
+
+ // Create relayed client #2.
+ Dhcp6Client client2;
+ client2.useRelay(true, IOAddress("3000::2"));
+ client2.requestAddress(0xabca);
+
+ // Client #2 should be assigned an address from one of the two subnets
+ // belonging to the second shared network.
+ ASSERT_NO_THROW(client2.doSARR());
+ if (!client2.hasLeaseForAddress(IOAddress("2001:db8:3::20")) &&
+ !client2.hasLeaseForAddress(IOAddress("2001:db8:4::20"))) {
+ ADD_FAILURE() << "unexpected shared network selected for the client";
+ }
+}
+
+// Host reservations include hostname and client class.
+TEST_F(Dhcpv6SharedNetworkTest, variousFieldsInReservation) {
+ // Create client #1.
+ Dhcp6Client client;
+ client.setInterface("eth1");
+ client.setDUID("00:03:00:01:11:22:33:44:55:66");
+ ASSERT_NO_THROW(client.requestAddress(0xabcd));
+
+ ASSERT_NO_THROW(client.useFQDN(Option6ClientFqdn::FLAG_S,
+ "bird.example.org",
+ Option6ClientFqdn::FULL));
+
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[10], *client.getServer()));
+
+ // Perform 4-way exchange.
+ ASSERT_NO_THROW(client.doSARR());
+
+ // The client should get an FQDN from the reservation, rather than
+ // the FQDN it has sent to the server. If there is a logic error,
+ // the server would use the first subnet from the shared network to
+ // assign the FQDN. This subnet has no reservation so it would
+ // return the same FQDN that the client has sent. We expect
+ // that the FQDN being sent is the one that is included in the
+ // reservations.
+ ASSERT_TRUE(client.getContext().response_);
+ OptionPtr opt_fqdn = client.getContext().response_->getOption(D6O_CLIENT_FQDN);
+ ASSERT_TRUE(opt_fqdn);
+ Option6ClientFqdnPtr fqdn = boost::dynamic_pointer_cast<Option6ClientFqdn>(opt_fqdn);
+ ASSERT_TRUE(fqdn);
+ ASSERT_EQ("test.example.org.", fqdn->getDomainName());
+
+ // The DNS servers option should be derived from the client class based on the
+ // static class reservations.
+ ASSERT_TRUE(client.hasOptionWithAddress(D6O_NAME_SERVERS, "2001:db8:1::50"));
+}
+
+// Shared network is selected based on the client class specified.
+TEST_F(Dhcpv6SharedNetworkTest, sharedNetworkSelectedByClass) {
+ // Create client #1.
+ Dhcp6Client client1;
+ client1.setInterface("eth1");
+ client1.requestAddress(0xabcd);
+
+ // Add option 1234 which would cause the client1 to be classified as "b-devices".
+ OptionPtr option1234(new OptionUint16(Option::V6, 1234, 0x0002));
+ client1.addExtraOption(option1234);
+
+ // Configure the server with two shared networks which can be accessed
+ // by clients belonging to "a-devices" and "b-devices" classes
+ // respectively.
+ ASSERT_NO_FATAL_FAILURE(configure(NETWORKS_CONFIG[11], *client1.getServer()));
+
+ // The client 1 should be offerred an address from the second subnet.
+ ASSERT_NO_THROW(client1.doSolicit(true));
+ ASSERT_TRUE(client1.hasLeaseForAddress(IOAddress("2001:db8:2::20")));
+
+ // Create another client which will belong to a different class.
+ Dhcp6Client client2;
+ client2.setInterface("eth1");
+ client2.requestAddress(0xabcd);
+
+ /// Add option 1234 which will cause the client 2 to be classified as "a-devices".
+ option1234.reset(new OptionUint16(Option::V6, 1234, 0x0001));
+ client2.addExtraOption(option1234);
+
+ // Client 2 should be offerred an address from the first subnet.
+ ASSERT_NO_THROW(client2.doSolicit(true));
+ ASSERT_TRUE(client2.hasLeaseForAddress(IOAddress("2001:db8:1::20")));
+}
+
+
+} // end of anonymous namespace
projects / thirdparty / kea.git / commitdiff
