#include <config.h>
#include <asiolink/io_address.h>
-#include <dhcp/tests/iface_mgr_test_config.h>
+#include <dhcp/docsis3_option_defs.h>
#include <dhcp/option6_addrlst.h>
+#include <dhcp/option_int.h>
+#include <dhcp/option_vendor.h>
+#include <dhcp/tests/iface_mgr_test_config.h>
#include <dhcp6/tests/dhcp6_test_utils.h>
#include <dhcp6/tests/dhcp6_client.h>
namespace {
-/// @brief Boolean value used to signal stateless configuration test.
-const bool STATELESS = true;
-
-/// @brief Boolean value used to signal stateful configuration test.
-const bool STATEFUL = false;
-
/// @brief Set of JSON configurations used by the Host reservation unit tests.
///
/// - Configuration 0:
///
/// - Configuration 1:
/// Multiple reservations using different host identifiers.
+///
/// - Configuration 2:
/// Same as configuration 1 but 'host-reservation-identifiers' specified
/// in non-default order.
///
-/// - Configuration 2:
+/// - Configuration 3:
/// - Used to test that host specific options override subnet specific
/// options and global options.
+///
+/// - Configuration 4:
+/// - Used to test that client receives options solely specified in a
+/// host scope.
+///
+/// - Configuration 5:
+/// - Used to test that host specific vendor options override globally
+/// specified vendor options.
const char* CONFIGS[] = {
// Configuration 0:
"{ "
" } ]"
"}",
+ // Configuration 4:
+ "{ "
+ "\"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ "},"
+ "\"host-reservation-identifiers\": [ \"duid\" ],"
+ "\"valid-lifetime\": 4000, "
+ "\"preferred-lifetime\": 3000,"
+ "\"rebind-timer\": 2000, "
+ "\"renew-timer\": 1000, "
+ "\"subnet6\": [ "
+ " { "
+ " \"subnet\": \"2001:db8:1::/48\", "
+ " \"pools\": [ { \"pool\": \"2001:db8:1::/64\" } ],"
+ " \"interface\" : \"eth0\","
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"01:02:03:05\","
+ " \"ip-addresses\": [ \"2001:db8:1::2\" ],"
+ " \"option-data\": [ {"
+ " \"name\": \"dns-servers\","
+ " \"data\": \"3001:1::234\""
+ " },"
+ " {"
+ " \"name\": \"nis-servers\","
+ " \"data\": \"3001:1::234\""
+ " } ]"
+ " } ]"
+ " } ]"
+ "}",
+
+ // Configuration 5:
+ "{ "
+ "\"interfaces-config\": {"
+ " \"interfaces\": [ \"*\" ]"
+ "},"
+ "\"host-reservation-identifiers\": [ \"duid\" ],"
+ "\"valid-lifetime\": 4000, "
+ "\"preferred-lifetime\": 3000,"
+ "\"rebind-timer\": 2000, "
+ "\"renew-timer\": 1000, "
+ "\"option-data\": [ {"
+ " \"name\": \"vendor-opts\","
+ " \"data\": 4491"
+ "},"
+ "{"
+ " \"name\": \"tftp-servers\","
+ " \"space\": \"vendor-4491\","
+ " \"data\": \"3001:3::123\""
+ "} ],"
+ "\"subnet6\": [ "
+ " { "
+ " \"subnet\": \"2001:db8:1::/48\", "
+ " \"pools\": [ { \"pool\": \"2001:db8:1::/64\" } ],"
+ " \"interface\" : \"eth0\","
+ " \"reservations\": ["
+ " {"
+ " \"duid\": \"01:02:03:05\","
+ " \"ip-addresses\": [ \"2001:db8:1::2\" ],"
+ " \"option-data\": [ {"
+ " \"name\": \"vendor-opts\","
+ " \"data\": 4491"
+ " },"
+ " {"
+ " \"name\": \"tftp-servers\","
+ " \"space\": \"vendor-4491\","
+ " \"data\": \"3001:1::234\""
+ " } ]"
+ " } ]"
+ " } ]"
+ "}"
+
};
/// @brief Test fixture class for testing host reservations
iface_mgr_test_config_(true) {
}
+ /// @brief Checks that specified option contains a desired address.
+ ///
+ /// The option must cast to the @ref Option6AddrLst type. The function
+ /// expects that this option contains at least one address and checks
+ /// first address for equality with @ref expected_addr.
+ ///
+ /// @param option_type Option type.
+ /// @param expected_addr Desired address.
+ /// @param config Configuration obtained from the server.
void verifyAddressOption(const uint16_t option_type,
const std::string& expected_addr,
const Dhcp6Client::Configuration& config) const {
EXPECT_EQ(exp_ip_address, lease_client.addr_.toText());
}
+ /// @brief Initiate exchange with DHCPv6 server.
+ ///
+ /// This method initiates DHCPv6 message exchange between a specified
+ /// client a the server. The msg_type is used to indicate what kind
+ /// of exchange should be initiated. If the message type is a Renew
+ /// or Rebind, the 4-way handshake is made first. If the message type
+ /// is a Request, the Solicit-Advertise is done prior to this.
+ ///
+ /// @param msg_type Message type to be sent to the server.
+ /// @param client Reference to a client to be used to initiate the
+ /// exchange with the server.
+ void doExchange(const uint16_t msg_type, Dhcp6Client& client);
+
/// @brief Verifies that host specific options override subnet specific
/// options.
///
/// Overriden options are requested with Option Request option.
///
- /// @param stateless Boolean value indicating if stateless or stateful
- /// configuration should be performed.
- void testOverrideRequestedOptions(const bool stateless);
+ /// @param msg_type DHCPv6 message type to be sent to the server. If the
+ /// message type is Renew or Rebind, the 4-way exchange is made prior to
+ /// sending a Renew or Rebind. For a Request case, the Solicit-Advertise
+ /// is also performed.
+ void testOverrideRequestedOptions(const uint16_t msg_type);
+
+ /// @brief Verifies that client receives options when they are solely
+ /// defined in the host scope (and not in the global or subnet scope).
+ ///
+ /// @param msg_type DHCPv6 message type to be sent to the server. If the
+ /// message type is Renew or Rebind, the 4-way exchange is made prior to
+ /// sending a Renew or Rebind. For a Request case, the Solicit-Advertise
+ /// is also performed.
+ void testHostOnlyOptions(const uint16_t msg_type);
+
+ /// @brief Verifies that host specific vendor options override vendor
+ /// options defined in the global scope.
+ ///
+ /// @param msg_type DHCPv6 message type to be sent to the server. If the
+ /// message type is Renew or Rebind, the 4-way exchange is made prior to
+ /// sending a Renew or Rebind. For a Request case, the Solicit-Advertise
+ /// is also performed.
+ void testOverrideVendorOptions(const uint16_t msg_type);
/// @brief Interface Manager's fake configuration control.
IfaceMgrTestConfig iface_mgr_test_config_;
};
void
-HostTest::testOverrideRequestedOptions(const bool stateless) {
+HostTest::doExchange(const uint16_t msg_type, Dhcp6Client& client) {
+ switch (msg_type) {
+ case DHCPV6_INFORMATION_REQUEST:
+ ASSERT_NO_THROW(client.doInfRequest());
+ break;
+ case DHCPV6_REQUEST:
+ ASSERT_NO_THROW(client.doSARR());
+ break;
+ case DHCPV6_SOLICIT:
+ ASSERT_NO_THROW(client.doSolicit());
+ break;
+ case DHCPV6_RENEW:
+ ASSERT_NO_THROW(client.doSARR());
+ ASSERT_NO_THROW(client.doRenew());
+ break;
+ case DHCPV6_REBIND:
+ ASSERT_NO_THROW(client.doSARR());
+ ASSERT_NO_THROW(client.doRebind());
+ break;
+ default:
+ ;
+ }
+
+ // Make sure that the server has responded with a Reply.
+ ASSERT_TRUE(client.getContext().response_);
+ ASSERT_EQ(DHCPV6_REPLY, client.getContext().response_->getType());
+
+}
+
+
+void
+HostTest::testOverrideRequestedOptions(const uint16_t msg_type) {
Dhcp6Client client;
+ // Reservation has been made for a client with this DUID.
client.setDUID("01:02:03:05");
+
+ // Request all options specified in the configuration.
client.requestOption(D6O_NAME_SERVERS);
client.requestOption(D6O_NIS_SERVERS);
client.requestOption(D6O_NISP_SERVERS);
configure(CONFIGS[3], *client.getServer());
- if (stateless) {
- ASSERT_NO_THROW(client.doInfRequest());
-
- } else {
- client.useNA();
- ASSERT_NO_THROW(client.doSARR());
- }
+ ASSERT_NO_FATAL_FAILURE(doExchange(msg_type, client));
{
SCOPED_TRACE("host specific dns-servers");
+ // Host specific DNS server should be used.
verifyAddressOption(D6O_NAME_SERVERS, "3000:1::234", client.config_);
}
{
SCOPED_TRACE("host specific nis-servers");
+ // Host specific NIS server should be used.
verifyAddressOption(D6O_NIS_SERVERS, "3000:1::234", client.config_);
}
{
SCOPED_TRACE("subnet specific sntp-servers");
+ // Subnet specific SNTP server should be used as it is not specified
+ // in a host scope.
verifyAddressOption(D6O_SNTP_SERVERS, "3000:2::123", client.config_);
}
{
SCOPED_TRACE("global nisp-servers");
+ // Globally specified NISP server should be used as it is not
+ // specified in a host scope.
verifyAddressOption(D6O_NISP_SERVERS, "3000:3::123", client.config_);
}
}
+void
+HostTest::testHostOnlyOptions(const uint16_t msg_type) {
+ Dhcp6Client client;
+ client.setDUID("01:02:03:05");
+ client.requestOption(D6O_NAME_SERVERS);
+ client.requestOption(D6O_NIS_SERVERS);
+
+ configure(CONFIGS[3], *client.getServer());
+
+ ASSERT_NO_FATAL_FAILURE(doExchange(msg_type, client));
+
+ {
+ SCOPED_TRACE("host specific dns-servers");
+ // DNS servers are specified only in a host scope.
+ verifyAddressOption(D6O_NAME_SERVERS, "3000:1::234", client.config_);
+ }
+
+ {
+ SCOPED_TRACE("host specific nis-servers");
+ // NIS servers are specified only in a host scope.
+ verifyAddressOption(D6O_NIS_SERVERS, "3000:1::234", client.config_);
+ }
+}
+
+void
+HostTest::testOverrideVendorOptions(const uint16_t msg_type) {
+ Dhcp6Client client;
+ client.setDUID("01:02:03:05");
+
+ // Client needs to include Vendor Specific Information option
+ // with ORO suboption, which the server will use to determine
+ // which suboptions should be returned to the client.
+ OptionVendorPtr opt_vendor(new OptionVendor(Option::V6,
+ VENDOR_ID_CABLE_LABS));
+ // Include ORO with TFTP servers suboption code being requested.
+ opt_vendor->addOption(OptionPtr(new OptionUint16(Option::V6, DOCSIS3_V6_ORO,
+ DOCSIS3_V6_TFTP_SERVERS)));
+ client.addExtraOption(opt_vendor);
+
+ configure(CONFIGS[5], *client.getServer());
+
+ ASSERT_NO_FATAL_FAILURE(doExchange(msg_type, client));
+
+ // Vendor Specific Information option should be returned by the server.
+ OptionVendorPtr vendor_opt = boost::dynamic_pointer_cast<
+ OptionVendor>(client.config_.findOption(D6O_VENDOR_OPTS));
+ ASSERT_TRUE(vendor_opt);
+
+ // TFTP server suboption should be returned because it was requested
+ // with Option Request suboption.
+ Option6AddrLstPtr tftp = boost::dynamic_pointer_cast<
+ Option6AddrLst>(vendor_opt->getOption(DOCSIS3_V6_TFTP_SERVERS));
+ ASSERT_TRUE(tftp);
+
+ // Address specified in the host scope should be used.
+ Option6AddrLst::AddressContainer addrs = tftp->getAddresses();
+ ASSERT_EQ(addrs.size(), 1);
+ EXPECT_EQ("3001:1::234", addrs[0].toText());
+}
+
// Test basic SARR scenarios against a server configured with one subnet
// containing two reservations. One reservation with a hostname, one
// without a hostname. Scenarios:
// This test checks that host specific options override subnet specific
// options. Overridden options are requested with Option Request
-// option (stateless case).
-TEST_F(HostTest, overrideRequestedOptionsStateless) {
- testOverrideRequestedOptions(STATELESS);
+// option (Information-request case).
+TEST_F(HostTest, overrideRequestedOptionsInformationRequest) {
+ testOverrideRequestedOptions(DHCPV6_INFORMATION_REQUEST);
}
// This test checks that host specific options override subnet specific
// options. Overridden options are requested with Option Request
-// option (stateful case).
-TEST_F(HostTest, overrideRequestedOptionsStateful) {
- testOverrideRequestedOptions(STATEFUL);
+// option (Reuqest case).
+TEST_F(HostTest, overrideRequestedOptionsRequest) {
+ testOverrideRequestedOptions(DHCPV6_REQUEST);
}
+// This test checks that host specific options override subnet specific
+// options. Overridden options are requested with Option Request
+// option (Renew case).
+TEST_F(HostTest, overrideRequestedOptionsRenew) {
+ testOverrideRequestedOptions(DHCPV6_RENEW);
+}
+
+// This test checks that host specific options override subnet specific
+// options. Overridden options are requested with Option Request
+// option (Rebind case).
+TEST_F(HostTest, overrideRequestedOptionsRebind) {
+ testOverrideRequestedOptions(DHCPV6_REBIND);
+}
+
+// This test checks that client receives options when they are
+// solely defined in the host scope and not in the global or subnet
+// scope (Information-request case).
+TEST_F(HostTest, testHostOnlyOptionsInformationRequest) {
+ testHostOnlyOptions(DHCPV6_INFORMATION_REQUEST);
+}
+
+// This test checks that client receives options when they are
+// solely defined in the host scope and not in the global or subnet
+// scope (Reuqest case).
+TEST_F(HostTest, testHostOnlyOptionsRequest) {
+ testHostOnlyOptions(DHCPV6_REQUEST);
+}
+
+// This test checks that client receives options when they are
+// solely defined in the host scope and not in the global or subnet
+// scope (Renew case).
+TEST_F(HostTest, testHostOnlyOptionsRenew) {
+ testHostOnlyOptions(DHCPV6_RENEW);
+}
+
+// This test checks that client receives options when they are
+// solely defined in the host scope and not in the global or subnet
+// scope (Rebind case).
+TEST_F(HostTest, testHostOnlyOptionsRebind) {
+ testHostOnlyOptions(DHCPV6_REBIND);
+}
+
+// This test checks that host specific vendor options override vendor
+// options defined in the global scope (Reuqest case).
+TEST_F(HostTest, overrideVendorOptionsRequest) {
+ testOverrideVendorOptions(DHCPV6_REQUEST);
+}
+
+// This test checks that host specific vendor options override vendor
+// options defined in the global scope (Renew case).
+TEST_F(HostTest, overrideVendorOptionsRenew) {
+ testOverrideVendorOptions(DHCPV6_RENEW);
+}
+
+// This test checks that host specific vendor options override vendor
+// options defined in the global scope (Rebind case).
+TEST_F(HostTest, overrideVendorOptionsRebind) {
+ testOverrideVendorOptions(DHCPV6_REBIND);
+}
+
+
} // end of anonymous namespace