Commit b1899f97 authored by Marcin Siodelski's avatar Marcin Siodelski

[3572] DHCPv4 server sends host specific options.

parent e7c3e4bb
......@@ -916,13 +916,21 @@ void
Dhcpv4Srv::buildCfgOptionList(Dhcpv4Exchange& ex) {
CfgOptionList& co_list = ex.getCfgOptionList();
// First subnet configured options
// Retrieve subnet.
Subnet4Ptr subnet = ex.getContext()->subnet_;
if (!subnet) {
// All methods using the CfgOptionList object return soon when
// there is no subnet so do the same
return;
}
// Firstly, host specific options.
const ConstHostPtr& host = ex.getContext()->host_;
if (host) {
co_list.push_back(host->getCfgOption4());
}
// Secondly, subnet configured options.
if (!subnet->getCfgOption()->empty()) {
co_list.push_back(subnet->getCfgOption());
}
......
......@@ -89,6 +89,7 @@ dhcp4_unittests_SOURCES += dhcp4_client.cc dhcp4_client.h
dhcp4_unittests_SOURCES += hooks_unittest.cc
dhcp4_unittests_SOURCES += inform_unittest.cc
dhcp4_unittests_SOURCES += dora_unittest.cc
dhcp4_unittests_SOURCES += host_options_unittest.cc
dhcp4_unittests_SOURCES += release_unittest.cc
dhcp4_unittests_SOURCES += out_of_range_unittest.cc
dhcp4_unittests_SOURCES += decline_unittest.cc
......
......@@ -163,13 +163,13 @@ Dhcp4Client::applyConfiguration() {
Option4AddrLstPtr opt_log_servers = boost::dynamic_pointer_cast<
Option4AddrLst>(resp->getOption(DHO_LOG_SERVERS));
if (opt_log_servers) {
config_.log_servers_ = opt_routers->getAddresses();
config_.log_servers_ = opt_log_servers->getAddresses();
}
// Quotes Servers
Option4AddrLstPtr opt_quotes_servers = boost::dynamic_pointer_cast<
Option4AddrLst>(resp->getOption(DHO_COOKIE_SERVERS));
if (opt_quotes_servers) {
config_.quotes_servers_ = opt_dns_servers->getAddresses();
config_.quotes_servers_ = opt_quotes_servers->getAddresses();
}
// Server Identifier
OptionCustomPtr opt_serverid = boost::dynamic_pointer_cast<
......
// Copyright (C) 2016 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 <dhcp/dhcp4.h>
#include <dhcp/tests/iface_mgr_test_config.h>
#include <dhcp4/tests/dhcp4_test_utils.h>
#include <dhcp4/tests/dhcp4_client.h>
#include <stats/stats_mgr.h>
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
using namespace isc::dhcp::test;
namespace {
/// @brief Set of JSON configurations used throughout the tests.
///
/// - Configuration 0:
/// - Used for testing direct traffic
/// - 1 subnet: 10.0.0.0/24
/// - 1 pool: 10.0.0.10-10.0.0.100
/// - Router option present: 10.0.0.200 and 10.0.0.201
/// - Domain Name Server option present: 10.0.0.202, 10.0.0.203.
/// - Log Servers option present: 192.0.2.200 and 192.0.2.201
/// - Quotes Servers option present: 192.0.2.202, 192.0.2.203.
///
const char* HOST_CONFIGS[] = {
// Configuration 0
"{ \"interfaces-config\": {"
" \"interfaces\": [ \"*\" ]"
"},"
"\"valid-lifetime\": 600,"
"\"subnet4\": [ { "
" \"subnet\": \"10.0.0.0/24\", "
" \"id\": 1,"
" \"pools\": [ { \"pool\": \"10.0.0.10-10.0.0.100\" } ],"
" \"option-data\": [ {"
" \"name\": \"routers\","
" \"data\": \"10.0.0.200,10.0.0.201\""
" },"
" {"
" \"name\": \"domain-name-servers\","
" \"data\": \"10.0.0.202,10.0.0.203\""
" },"
" {"
" \"name\": \"log-servers\","
" \"data\": \"10.0.0.200,10.0.0.201\""
" },"
" {"
" \"name\": \"cookie-servers\","
" \"data\": \"10.0.0.202,10.0.0.203\""
" } ],"
" \"reservations\": [ "
" {"
" \"hw-address\": \"aa:bb:cc:dd:ee:ff\","
" \"ip-address\": \"10.0.0.7\","
" \"option-data\": [ {"
" \"name\": \"cookie-servers\","
" \"data\": \"10.1.1.202,10.1.1.203\""
" },"
" {"
" \"name\": \"log-servers\","
" \"data\": \"10.1.1.200,10.1.1.201\""
" } ]"
" } ]"
" } ]"
"}",
// Configuration 1
"{ \"interfaces-config\": {"
" \"interfaces\": [ \"*\" ]"
"},"
"\"valid-lifetime\": 600,"
"\"subnet4\": [ { "
" \"subnet\": \"10.0.0.0/24\", "
" \"id\": 1,"
" \"pools\": [ { \"pool\": \"10.0.0.10-10.0.0.100\" } ],"
" \"option-data\": [ {"
" \"name\": \"routers\","
" \"data\": \"10.0.0.200,10.0.0.201\""
" },"
" {"
" \"name\": \"domain-name-servers\","
" \"data\": \"10.0.0.202,10.0.0.203\""
" },"
" {"
" \"name\": \"log-servers\","
" \"data\": \"10.0.0.200,10.0.0.201\""
" },"
" {"
" \"name\": \"cookie-servers\","
" \"data\": \"10.0.0.202,10.0.0.203\""
" } ],"
" \"reservations\": [ "
" {"
" \"hw-address\": \"aa:bb:cc:dd:ee:ff\","
" \"ip-address\": \"10.0.0.7\","
" \"option-data\": [ {"
" \"name\": \"routers\","
" \"data\": \"10.1.1.200,10.1.1.201\""
" },"
" {"
" \"name\": \"domain-name-servers\","
" \"data\": \"10.1.1.202,10.1.1.203\""
" } ]"
" } ]"
" } ]"
"}"
};
/// @brief Test fixture class for testing static reservations of options.
class HostOptionsTest : public Dhcpv4SrvTest {
public:
/// @brief Constructor.
///
/// Sets up fake interfaces.
HostOptionsTest()
: Dhcpv4SrvTest(),
iface_mgr_test_config_(true) {
IfaceMgr::instance().openSockets4();
// Let's wipe all existing statistics.
isc::stats::StatsMgr::instance().removeAll();
}
/// @brief Destructor.
///
/// Cleans up statistics after the test.
virtual ~HostOptionsTest() {
// Let's wipe all existing statistics.
isc::stats::StatsMgr::instance().removeAll();
}
/// @brief Interface Manager's fake configuration control.
IfaceMgrTestConfig iface_mgr_test_config_;
};
TEST_F(HostOptionsTest, overrideRequestedOptions) {
Dhcp4Client client(Dhcp4Client::SELECTING);
client.setHWAddress("aa:bb:cc:dd:ee:ff");
client.requestOptions(DHO_DOMAIN_NAME_SERVERS, DHO_LOG_SERVERS,
DHO_COOKIE_SERVERS);
// Configure DHCP server.
configure(HOST_CONFIGS[0], *client.getServer());
// Perform 4-way exchange with the server but to not request any
// specific address in the DHCPDISCOVER message.
ASSERT_NO_THROW(client.doDORA());
// Make sure that the server responded.
ASSERT_TRUE(client.getContext().response_);
Pkt4Ptr resp = client.getContext().response_;
// Make sure that the server has responded with DHCPACK.
ASSERT_EQ(DHCPACK, static_cast<int>(resp->getType()));
// Response must not be relayed.
EXPECT_FALSE(resp->isRelayed());
// Make sure that the server id is present.
EXPECT_EQ("10.0.0.1", client.config_.serverid_.toText());
// Make sure that the client has got the lease for the reserved
// address.
ASSERT_EQ("10.0.0.7", client.config_.lease_.addr_.toText());
ASSERT_EQ(2, client.config_.routers_.size());
EXPECT_EQ("10.0.0.200", client.config_.routers_[0].toText());
EXPECT_EQ("10.0.0.201", client.config_.routers_[1].toText());
// Make sure that the DNS Servers option has been received.
ASSERT_EQ(2, client.config_.dns_servers_.size());
EXPECT_EQ("10.0.0.202", client.config_.dns_servers_[0].toText());
EXPECT_EQ("10.0.0.203", client.config_.dns_servers_[1].toText());
// Make sure that the Quotes Servers option has been received.
ASSERT_EQ(2, client.config_.quotes_servers_.size());
EXPECT_EQ("10.1.1.202", client.config_.quotes_servers_[0].toText());
EXPECT_EQ("10.1.1.203", client.config_.quotes_servers_[1].toText());
// Make sure that the Log Servers option has been received.
ASSERT_EQ(2, client.config_.log_servers_.size());
EXPECT_EQ("10.1.1.200", client.config_.log_servers_[0].toText());
EXPECT_EQ("10.1.1.201", client.config_.log_servers_[1].toText());
}
TEST_F(HostOptionsTest, overrideDefaultOptions) {
Dhcp4Client client(Dhcp4Client::SELECTING);
client.setHWAddress("aa:bb:cc:dd:ee:ff");
client.requestOptions(DHO_LOG_SERVERS, DHO_COOKIE_SERVERS);
// Configure DHCP server.
configure(HOST_CONFIGS[1], *client.getServer());
// Perform 4-way exchange with the server but to not request any
// specific address in the DHCPDISCOVER message.
ASSERT_NO_THROW(client.doDORA());
// Make sure that the server responded.
ASSERT_TRUE(client.getContext().response_);
Pkt4Ptr resp = client.getContext().response_;
// Make sure that the server has responded with DHCPACK.
ASSERT_EQ(DHCPACK, static_cast<int>(resp->getType()));
// Response must not be relayed.
EXPECT_FALSE(resp->isRelayed());
// Make sure that the server id is present.
EXPECT_EQ("10.0.0.1", client.config_.serverid_.toText());
// Make sure that the client has got the lease for the reserved
// address.
ASSERT_EQ("10.0.0.7", client.config_.lease_.addr_.toText());
ASSERT_EQ(2, client.config_.routers_.size());
EXPECT_EQ("10.1.1.200", client.config_.routers_[0].toText());
EXPECT_EQ("10.1.1.201", client.config_.routers_[1].toText());
// Make sure that the DNS Servers option has been received.
ASSERT_EQ(2, client.config_.dns_servers_.size());
EXPECT_EQ("10.1.1.202", client.config_.dns_servers_[0].toText());
EXPECT_EQ("10.1.1.203", client.config_.dns_servers_[1].toText());
// Make sure that the Quotes Servers option has been received.
ASSERT_EQ(2, client.config_.quotes_servers_.size());
EXPECT_EQ("10.0.0.202", client.config_.quotes_servers_[0].toText());
EXPECT_EQ("10.0.0.203", client.config_.quotes_servers_[1].toText());
// Make sure that the Log Servers option has been received.
ASSERT_EQ(2, client.config_.log_servers_.size());
EXPECT_EQ("10.0.0.200", client.config_.log_servers_[0].toText());
EXPECT_EQ("10.0.0.201", client.config_.log_servers_[1].toText());
}
} // end of anonymous namespace
// Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
// Copyright (C) 2014-2016 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
......@@ -58,11 +58,11 @@ const char* INFORM_CONFIGS[] = {
" },"
" {"
" \"name\": \"log-servers\","
" \"data\": \"10.0.0.200,10.0.0.201\""
" \"data\": \"10.0.0.202,10.0.0.203\""
" },"
" {"
" \"name\": \"cookie-servers\","
" \"data\": \"10.0.0.202,10.0.0.203\""
" \"data\": \"10.0.0.200,10.0.0.201\""
" } ]"
" } ]"
"}",
......@@ -159,12 +159,12 @@ TEST_F(InformTest, directClientBroadcast) {
EXPECT_EQ("10.0.0.203", client.config_.dns_servers_[1].toText());
// Make sure that the Log Servers option has been received.
ASSERT_EQ(2, client.config_.quotes_servers_.size());
EXPECT_EQ("10.0.0.200", client.config_.routers_[0].toText());
EXPECT_EQ("10.0.0.201", client.config_.routers_[1].toText());
EXPECT_EQ("10.0.0.200", client.config_.quotes_servers_[0].toText());
EXPECT_EQ("10.0.0.201", client.config_.quotes_servers_[1].toText());
// Make sure that the Quotes Servers option has been received.
ASSERT_EQ(2, client.config_.log_servers_.size());
EXPECT_EQ("10.0.0.202", client.config_.dns_servers_[0].toText());
EXPECT_EQ("10.0.0.203", client.config_.dns_servers_[1].toText());
EXPECT_EQ("10.0.0.202", client.config_.log_servers_[0].toText());
EXPECT_EQ("10.0.0.203", client.config_.log_servers_[1].toText());
// Check that we can send another DHCPINFORM message using
// different ciaddr and we will get the configuration.
......@@ -313,14 +313,14 @@ TEST_F(InformTest, relayedClient) {
ASSERT_EQ(2, client.config_.dns_servers_.size());
EXPECT_EQ("192.0.2.202", client.config_.dns_servers_[0].toText());
EXPECT_EQ("192.0.2.203", client.config_.dns_servers_[1].toText());
// Make sure that the Log Servers option has been received.
ASSERT_EQ(2, client.config_.quotes_servers_.size());
EXPECT_EQ("192.0.2.200", client.config_.routers_[0].toText());
EXPECT_EQ("192.0.2.201", client.config_.routers_[1].toText());
// Make sure that the Quotes Servers option has been received.
ASSERT_EQ(2, client.config_.quotes_servers_.size());
EXPECT_EQ("10.0.0.202", client.config_.quotes_servers_[0].toText());
EXPECT_EQ("10.0.0.203", client.config_.quotes_servers_[1].toText());
// Make sure that the Log Servers option has been received.
ASSERT_EQ(2, client.config_.log_servers_.size());
EXPECT_EQ("192.0.2.202", client.config_.dns_servers_[0].toText());
EXPECT_EQ("192.0.2.203", client.config_.dns_servers_[1].toText());
EXPECT_EQ("10.0.0.200", client.config_.log_servers_[0].toText());
EXPECT_EQ("10.0.0.201", client.config_.log_servers_[1].toText());
}
// This test checks that the server can respond to the DHCPINFORM message
......
......@@ -81,7 +81,7 @@ Host::Host(const uint8_t* identifier, const size_t identifier_len,
ipv4_reservation_(asiolink::IOAddress::IPV4_ZERO_ADDRESS()),
hostname_(hostname), dhcp4_client_classes_(dhcp4_client_classes),
dhcp6_client_classes_(dhcp6_client_classes), host_id_(0),
cfg_option4_(), cfg_option6_() {
cfg_option4_(new CfgOption()), cfg_option6_(new CfgOption()) {
// Initialize host identifier.
setIdentifier(identifier, identifier_len, identifier_type);
......
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