Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 1 | /* |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 2 | * Copyright 2017-present Open Networking Foundation |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
alshabib | 6d52745 | 2016-06-01 18:00:47 -0700 | [diff] [blame] | 16 | package org.opencord.aaa; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 17 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 18 | import org.apache.felix.scr.annotations.Component; |
| 19 | import org.apache.felix.scr.annotations.Deactivate; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Reference; |
| 21 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 22 | import org.apache.commons.lang3.builder.ToStringBuilder; |
Jonathan Hart | 4731dd9 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 23 | import org.onlab.packet.DeserializationException; |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 24 | import org.onlab.packet.EAP; |
| 25 | import org.onlab.packet.EAPOL; |
| 26 | import org.onlab.packet.EthType; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 27 | import org.onlab.packet.Ethernet; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 28 | import org.onlab.packet.MacAddress; |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 29 | import org.onlab.packet.RADIUS; |
| 30 | import org.onlab.packet.RADIUSAttribute; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 31 | import org.onlab.packet.VlanId; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 32 | import org.onosproject.core.ApplicationId; |
| 33 | import org.onosproject.core.CoreService; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 34 | import org.onosproject.mastership.MastershipService; |
| 35 | import org.onosproject.net.AnnotationKeys; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 36 | import org.onosproject.net.ConnectPoint; |
| 37 | import org.onosproject.net.DeviceId; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 38 | import org.onosproject.net.PortNumber; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 39 | import org.onosproject.net.config.ConfigFactory; |
| 40 | import org.onosproject.net.config.NetworkConfigEvent; |
| 41 | import org.onosproject.net.config.NetworkConfigListener; |
| 42 | import org.onosproject.net.config.NetworkConfigRegistry; |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 43 | import org.onosproject.net.device.DeviceEvent; |
| 44 | import org.onosproject.net.device.DeviceListener; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 45 | import org.onosproject.net.device.DeviceService; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 46 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 47 | import org.onosproject.net.flow.TrafficTreatment; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 48 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 49 | import org.onosproject.net.packet.InboundPacket; |
| 50 | import org.onosproject.net.packet.OutboundPacket; |
| 51 | import org.onosproject.net.packet.PacketContext; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 52 | import org.onosproject.net.packet.PacketProcessor; |
| 53 | import org.onosproject.net.packet.PacketService; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 54 | import org.opencord.olt.AccessDeviceService; |
| 55 | import org.opencord.sadis.SubscriberAndDeviceInformation; |
| 56 | import org.opencord.sadis.SubscriberAndDeviceInformationService; |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 57 | import org.osgi.service.component.annotations.Activate; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 58 | import org.slf4j.Logger; |
| 59 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 60 | import java.net.InetAddress; |
| 61 | import java.nio.ByteBuffer; |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 62 | import java.util.Map; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 63 | |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 64 | import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY; |
| 65 | import static org.slf4j.LoggerFactory.getLogger; |
| 66 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 67 | /** |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 68 | * AAA application for ONOS. |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 69 | */ |
| 70 | @Component(immediate = true) |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 71 | public class |
| 72 | AaaManager { |
Charles Chan | df7ff86 | 2017-01-20 11:22:05 -0800 | [diff] [blame] | 73 | private static final String APP_NAME = "org.opencord.aaa"; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 74 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 75 | // for verbose output |
| 76 | private final Logger log = getLogger(getClass()); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 77 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 78 | // a list of our dependencies : |
| 79 | // to register with ONOS as an application - described next |
| 80 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 81 | protected CoreService coreService; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 82 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 83 | // to receive Packet-in events that we'll respond to |
| 84 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 85 | protected PacketService packetService; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 86 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 87 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 88 | protected NetworkConfigRegistry netCfgService; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 89 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 90 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 91 | protected DeviceService deviceService; |
| 92 | |
| 93 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 94 | protected SubscriberAndDeviceInformationService subsService; |
| 95 | |
| 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 97 | protected MastershipService mastershipService; |
| 98 | |
| 99 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 100 | protected AccessDeviceService accessDeviceService; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 101 | |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 102 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 103 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 104 | // NAS IP address |
| 105 | protected InetAddress nasIpAddress; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 106 | |
| 107 | // self MAC address |
| 108 | protected static String nasMacAddress; |
| 109 | |
| 110 | // Parsed RADIUS server addresses |
| 111 | protected InetAddress radiusIpAddress; |
| 112 | |
| 113 | // MAC address of RADIUS server or net hop router |
| 114 | protected String radiusMacAddress; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 115 | |
| 116 | // RADIUS server secret |
| 117 | protected String radiusSecret; |
| 118 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 119 | // NAS Identifier |
| 120 | protected String nasId; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 121 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 122 | // bindings |
| 123 | protected CustomizationInfo customInfo; |
Ray Milkey | 5d99bd1 | 2015-10-06 15:41:30 -0700 | [diff] [blame] | 124 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 125 | // our application-specific event handler |
| 126 | private ReactivePacketProcessor processor = new ReactivePacketProcessor(); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 127 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 128 | // our unique identifier |
| 129 | private ApplicationId appId; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 130 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 131 | // Setup specific customization/attributes on the RADIUS packets |
| 132 | PacketCustomizer pktCustomizer; |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 133 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 134 | // packet customizer to use |
| 135 | private String customizer; |
| 136 | |
| 137 | // Type of connection to use to communicate with Radius server, options are |
| 138 | // "socket" or "packet_out" |
| 139 | private String radiusConnectionType; |
| 140 | |
| 141 | // Object for the spcific type of communication with the RADIUS |
| 142 | // server, socket based or packet_out based |
| 143 | RadiusCommunicator impl = null; |
| 144 | |
| 145 | // latest configuration |
| 146 | AaaConfig newCfg; |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 147 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 148 | // Configuration properties factory |
| 149 | private final ConfigFactory factory = |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 150 | new ConfigFactory<ApplicationId, AaaConfig>(APP_SUBJECT_FACTORY, |
| 151 | AaaConfig.class, |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 152 | "AAA") { |
| 153 | @Override |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 154 | public AaaConfig createConfig() { |
| 155 | return new AaaConfig(); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 156 | } |
| 157 | }; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 158 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 159 | // Listener for config changes |
| 160 | private final InternalConfigListener cfgListener = new InternalConfigListener(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 161 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 162 | /** |
| 163 | * Builds an EAPOL packet based on the given parameters. |
| 164 | * |
| 165 | * @param dstMac destination MAC address |
| 166 | * @param srcMac source MAC address |
| 167 | * @param vlan vlan identifier |
| 168 | * @param eapolType EAPOL type |
| 169 | * @param eap EAP payload |
| 170 | * @return Ethernet frame |
| 171 | */ |
| 172 | private static Ethernet buildEapolResponse(MacAddress dstMac, MacAddress srcMac, |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 173 | short vlan, byte eapolType, EAP eap, byte priorityCode) { |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 174 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 175 | Ethernet eth = new Ethernet(); |
| 176 | eth.setDestinationMACAddress(dstMac.toBytes()); |
| 177 | eth.setSourceMACAddress(srcMac.toBytes()); |
| 178 | eth.setEtherType(EthType.EtherType.EAPOL.ethType().toShort()); |
| 179 | if (vlan != Ethernet.VLAN_UNTAGGED) { |
| 180 | eth.setVlanID(vlan); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 181 | eth.setPriorityCode(priorityCode); |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 182 | } |
| 183 | //eapol header |
| 184 | EAPOL eapol = new EAPOL(); |
| 185 | eapol.setEapolType(eapolType); |
| 186 | eapol.setPacketLength(eap.getLength()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 187 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 188 | //eap part |
| 189 | eapol.setPayload(eap); |
| 190 | |
| 191 | eth.setPayload(eapol); |
| 192 | eth.setPad(true); |
| 193 | return eth; |
| 194 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 195 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 196 | @Activate |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 197 | public void activate() { |
Charles Chan | df7ff86 | 2017-01-20 11:22:05 -0800 | [diff] [blame] | 198 | appId = coreService.registerApplication(APP_NAME); |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 199 | netCfgService.addListener(cfgListener); |
| 200 | netCfgService.registerConfigFactory(factory); |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 201 | customInfo = new CustomizationInfo(subsService, deviceService); |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 202 | cfgListener.reconfigureNetwork(netCfgService.getConfig(appId, AaaConfig.class)); |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 203 | log.info("Starting with config {} {}", this, newCfg); |
| 204 | |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 205 | configureRadiusCommunication(); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 206 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 207 | // register our event handler |
Brian O'Connor | d9c7da0 | 2015-07-29 17:49:24 -0700 | [diff] [blame] | 208 | packetService.addProcessor(processor, PacketProcessor.director(2)); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 209 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 210 | |
| 211 | StateMachine.initializeMaps(); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 212 | StateMachine.setAccessDeviceService(accessDeviceService); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 213 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 214 | impl.initializeLocalState(newCfg); |
alshabib | 27afc1d | 2016-12-23 00:33:58 -0800 | [diff] [blame] | 215 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 216 | impl.requestIntercepts(); |
| 217 | |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 218 | deviceService.addListener(deviceListener); |
| 219 | |
Jian Li | 13c6716 | 2015-12-09 13:20:34 -0800 | [diff] [blame] | 220 | log.info("Started"); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 221 | } |
| 222 | |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 223 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 224 | @Deactivate |
| 225 | public void deactivate() { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 226 | impl.withdrawIntercepts(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 227 | // de-register and null our handler |
| 228 | packetService.removeProcessor(processor); |
| 229 | processor = null; |
Deepa Vaddireddy | b9c24c6 | 2017-09-21 13:45:30 +0530 | [diff] [blame] | 230 | netCfgService.removeListener(cfgListener); |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 231 | StateMachine.destroyMaps(); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 232 | impl.deactivate(); |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 233 | deviceService.removeListener(deviceListener); |
Jian Li | 13c6716 | 2015-12-09 13:20:34 -0800 | [diff] [blame] | 234 | log.info("Stopped"); |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 235 | } |
| 236 | |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 237 | private void configureRadiusCommunication() { |
| 238 | if (radiusConnectionType.toLowerCase().equals("socket")) { |
| 239 | impl = new SocketBasedRadiusCommunicator(appId, packetService, this); |
| 240 | } else { |
| 241 | impl = new PortBasedRadiusCommunicator(appId, packetService, mastershipService, |
| 242 | deviceService, subsService, pktCustomizer, this); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | private void configurePacketCustomizer() { |
| 247 | switch (customizer.toLowerCase()) { |
| 248 | case "sample": |
| 249 | pktCustomizer = new SamplePacketCustomizer(customInfo); |
| 250 | log.info("Created SamplePacketCustomizer"); |
| 251 | break; |
| 252 | default: |
| 253 | pktCustomizer = new PacketCustomizer(customInfo); |
| 254 | log.info("Created default PacketCustomizer"); |
| 255 | break; |
| 256 | } |
| 257 | } |
| 258 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 259 | /** |
| 260 | * Send RADIUS packet to the RADIUS server. |
| 261 | * |
| 262 | * @param radiusPacket RADIUS packet to be sent to server. |
| 263 | * @param inPkt Incoming EAPOL packet |
| 264 | */ |
| 265 | protected void sendRadiusPacket(RADIUS radiusPacket, InboundPacket inPkt) { |
| 266 | impl.sendRadiusPacket(radiusPacket, inPkt); |
| 267 | } |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 268 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 269 | /** |
| 270 | * Handles RADIUS packets. |
| 271 | * |
| 272 | * @param radiusPacket RADIUS packet coming from the RADIUS server. |
| 273 | * @throws StateMachineException if an illegal state transition is triggered |
Jonathan Hart | 4731dd9 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 274 | * @throws DeserializationException if packet deserialization fails |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 275 | */ |
Jonathan Hart | 4731dd9 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 276 | public void handleRadiusPacket(RADIUS radiusPacket) |
| 277 | throws StateMachineException, DeserializationException { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 278 | StateMachine stateMachine = StateMachine.lookupStateMachineById(radiusPacket.getIdentifier()); |
| 279 | if (stateMachine == null) { |
| 280 | log.error("Invalid session identifier {}, exiting...", radiusPacket.getIdentifier()); |
| 281 | return; |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 282 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 283 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 284 | EAP eapPayload; |
| 285 | Ethernet eth; |
Aaron Kruglikov | d39d99e | 2015-07-03 13:30:57 -0700 | [diff] [blame] | 286 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 287 | switch (radiusPacket.getCode()) { |
| 288 | case RADIUS.RADIUS_CODE_ACCESS_CHALLENGE: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 289 | log.debug("RADIUS packet: RADIUS_CODE_ACCESS_CHALLENGE"); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 290 | RADIUSAttribute radiusAttrState = radiusPacket.getAttribute(RADIUSAttribute.RADIUS_ATTR_STATE); |
| 291 | byte[] challengeState = null; |
| 292 | if (radiusAttrState != null) { |
| 293 | challengeState = radiusAttrState.getValue(); |
| 294 | } |
| 295 | eapPayload = radiusPacket.decapsulateMessage(); |
| 296 | stateMachine.setChallengeInfo(eapPayload.getIdentifier(), challengeState); |
| 297 | eth = buildEapolResponse(stateMachine.supplicantAddress(), |
| 298 | MacAddress.valueOf(nasMacAddress), |
| 299 | stateMachine.vlanId(), |
| 300 | EAPOL.EAPOL_PACKET, |
| 301 | eapPayload, stateMachine.priorityCode()); |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 302 | log.debug("Send EAP challenge response to supplicant {}", stateMachine.supplicantAddress().toString()); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 303 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
| 304 | break; |
| 305 | case RADIUS.RADIUS_CODE_ACCESS_ACCEPT: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 306 | log.debug("RADIUS packet: RADIUS_CODE_ACCESS_ACCEPT"); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 307 | //send an EAPOL - Success to the supplicant. |
| 308 | byte[] eapMessageSuccess = |
| 309 | radiusPacket.getAttribute(RADIUSAttribute.RADIUS_ATTR_EAP_MESSAGE).getValue(); |
Jonathan Hart | 4731dd9 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 310 | eapPayload = EAP.deserializer().deserialize( |
| 311 | eapMessageSuccess, 0, eapMessageSuccess.length); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 312 | eth = buildEapolResponse(stateMachine.supplicantAddress(), |
| 313 | MacAddress.valueOf(nasMacAddress), |
| 314 | stateMachine.vlanId(), |
| 315 | EAPOL.EAPOL_PACKET, |
| 316 | eapPayload, stateMachine.priorityCode()); |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 317 | log.info("Send EAP success message to supplicant {}", stateMachine.supplicantAddress().toString()); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 318 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
| 319 | |
| 320 | stateMachine.authorizeAccess(); |
| 321 | |
| 322 | break; |
| 323 | case RADIUS.RADIUS_CODE_ACCESS_REJECT: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 324 | log.debug("RADIUS packet: RADIUS_CODE_ACCESS_REJECT"); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 325 | //send an EAPOL - Failure to the supplicant. |
| 326 | byte[] eapMessageFailure; |
| 327 | eapPayload = new EAP(); |
| 328 | RADIUSAttribute radiusAttrEap = radiusPacket.getAttribute(RADIUSAttribute.RADIUS_ATTR_EAP_MESSAGE); |
| 329 | if (radiusAttrEap == null) { |
| 330 | eapPayload.setCode(EAP.FAILURE); |
| 331 | eapPayload.setIdentifier(stateMachine.challengeIdentifier()); |
| 332 | eapPayload.setLength(EAP.EAP_HDR_LEN_SUC_FAIL); |
| 333 | } else { |
| 334 | eapMessageFailure = radiusAttrEap.getValue(); |
Jonathan Hart | 4731dd9 | 2018-05-02 17:30:05 -0700 | [diff] [blame] | 335 | eapPayload = EAP.deserializer().deserialize( |
| 336 | eapMessageFailure, 0, eapMessageFailure.length); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 337 | } |
| 338 | eth = buildEapolResponse(stateMachine.supplicantAddress(), |
| 339 | MacAddress.valueOf(nasMacAddress), |
| 340 | stateMachine.vlanId(), |
| 341 | EAPOL.EAPOL_PACKET, |
| 342 | eapPayload, stateMachine.priorityCode()); |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 343 | log.warn("Send EAP failure message to supplicant {}", stateMachine.supplicantAddress().toString()); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 344 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
| 345 | stateMachine.denyAccess(); |
| 346 | |
| 347 | break; |
| 348 | default: |
| 349 | log.warn("Unknown RADIUS message received with code: {}", radiusPacket.getCode()); |
| 350 | } |
Aaron Kruglikov | d39d99e | 2015-07-03 13:30:57 -0700 | [diff] [blame] | 351 | } |
| 352 | |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 353 | /** |
| 354 | * Send the ethernet packet to the supplicant. |
| 355 | * |
| 356 | * @param ethernetPkt the ethernet packet |
| 357 | * @param connectPoint the connect point to send out |
| 358 | */ |
| 359 | private void sendPacketToSupplicant(Ethernet ethernetPkt, ConnectPoint connectPoint) { |
| 360 | TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(connectPoint.port()).build(); |
| 361 | OutboundPacket packet = new DefaultOutboundPacket(connectPoint.deviceId(), |
| 362 | treatment, ByteBuffer.wrap(ethernetPkt.serialize())); |
| 363 | packetService.emit(packet); |
| 364 | } |
| 365 | |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 366 | @Override |
| 367 | public String toString() { |
| 368 | return ToStringBuilder.reflectionToString(this); |
| 369 | } |
| 370 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 371 | // our handler defined as a private inner class |
| 372 | |
| 373 | /** |
| 374 | * Packet processor responsible for forwarding packets along their paths. |
| 375 | */ |
| 376 | private class ReactivePacketProcessor implements PacketProcessor { |
| 377 | @Override |
| 378 | public void process(PacketContext context) { |
| 379 | |
| 380 | // Extract the original Ethernet frame from the packet information |
| 381 | InboundPacket pkt = context.inPacket(); |
| 382 | Ethernet ethPkt = pkt.parsed(); |
| 383 | if (ethPkt == null) { |
| 384 | return; |
| 385 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 386 | |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 387 | try { |
| 388 | // identify if incoming packet comes from supplicant (EAP) or RADIUS |
| 389 | switch (EthType.EtherType.lookup(ethPkt.getEtherType())) { |
| 390 | case EAPOL: |
| 391 | handleSupplicantPacket(context.inPacket()); |
| 392 | break; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 393 | default: |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 394 | // any other packets let the specific implementation handle |
| 395 | impl.handlePacketFromServer(context); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 396 | } |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 397 | } catch (StateMachineException e) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 398 | log.warn("Unable to process packet:", e); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 399 | } |
| 400 | } |
| 401 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 402 | /** |
| 403 | * Creates and initializes common fields of a RADIUS packet. |
| 404 | * |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 405 | * @param stateMachine state machine for the request |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 406 | * @param eapPacket EAP packet |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 407 | * @return RADIUS packet |
| 408 | */ |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 409 | private RADIUS getRadiusPayload(StateMachine stateMachine, byte identifier, EAP eapPacket) { |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 410 | RADIUS radiusPayload = |
| 411 | new RADIUS(RADIUS.RADIUS_CODE_ACCESS_REQUEST, |
| 412 | eapPacket.getIdentifier()); |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 413 | |
| 414 | // set Request Authenticator in StateMachine |
| 415 | stateMachine.setRequestAuthenticator(radiusPayload.generateAuthCode()); |
| 416 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 417 | radiusPayload.setIdentifier(identifier); |
| 418 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_USERNAME, |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 419 | stateMachine.username()); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 420 | |
| 421 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_IP, |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 422 | AaaManager.this.nasIpAddress.getAddress()); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 423 | |
| 424 | radiusPayload.encapsulateMessage(eapPacket); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 425 | |
| 426 | return radiusPayload; |
| 427 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 428 | |
| 429 | /** |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 430 | * Handles PAE packets (supplicant). |
| 431 | * |
| 432 | * @param inPacket Ethernet packet coming from the supplicant |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 433 | */ |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 434 | private void handleSupplicantPacket(InboundPacket inPacket) throws StateMachineException { |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 435 | Ethernet ethPkt = inPacket.parsed(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 436 | // Where does it come from? |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 437 | MacAddress srcMac = ethPkt.getSourceMAC(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 438 | |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 439 | DeviceId deviceId = inPacket.receivedFrom().deviceId(); |
| 440 | PortNumber portNumber = inPacket.receivedFrom().port(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 441 | String sessionId = deviceId.toString() + portNumber.toString(); |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 442 | StateMachine stateMachine = StateMachine.lookupStateMachineBySessionId(sessionId); |
| 443 | if (stateMachine == null) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 444 | if (deviceService != null) { |
| 445 | String nasPortId = deviceService.getPort(inPacket.receivedFrom()). |
| 446 | annotations().value(AnnotationKeys.PORT_NAME); |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 447 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 448 | SubscriberAndDeviceInformation subscriber = |
| 449 | subsService.get(nasPortId); |
| 450 | if (subscriber != null) { |
| 451 | stateMachine = new StateMachine(sessionId, subscriber.cTag()); |
Amit Ghosh | cf39d97 | 2017-08-16 08:15:20 +0100 | [diff] [blame] | 452 | } else { |
| 453 | log.error("Could not create new state machine for {}", nasPortId); |
| 454 | return; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 455 | } |
| 456 | } else { |
| 457 | stateMachine = new StateMachine(sessionId, VlanId.vlanId((short) 0)); |
| 458 | } |
| 459 | } |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 460 | |
| 461 | EAPOL eapol = (EAPOL) ethPkt.getPayload(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 462 | |
| 463 | switch (eapol.getEapolType()) { |
| 464 | case EAPOL.EAPOL_START: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 465 | log.debug("EAP packet: EAPOL_START"); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 466 | stateMachine.start(); |
| 467 | stateMachine.setSupplicantConnectpoint(inPacket.receivedFrom()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 468 | |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 469 | //send an EAP Request/Identify to the supplicant |
| 470 | EAP eapPayload = new EAP(EAP.REQUEST, stateMachine.identifier(), EAP.ATTR_IDENTITY, null); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 471 | if (ethPkt.getVlanID() != Ethernet.VLAN_UNTAGGED) { |
| 472 | stateMachine.setPriorityCode(ethPkt.getPriorityCode()); |
| 473 | } |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 474 | Ethernet eth = buildEapolResponse(srcMac, MacAddress.valueOf(nasMacAddress), |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 475 | ethPkt.getVlanID(), EAPOL.EAPOL_PACKET, |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 476 | eapPayload, stateMachine.priorityCode()); |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 477 | |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 478 | stateMachine.setSupplicantAddress(srcMac); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 479 | stateMachine.setVlanId(ethPkt.getVlanID()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 480 | |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 481 | log.debug("Getting EAP identity from supplicant {}", stateMachine.supplicantAddress().toString()); |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 482 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 483 | |
| 484 | break; |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 485 | case EAPOL.EAPOL_LOGOFF: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 486 | log.debug("EAP packet: EAPOL_LOGOFF"); |
Ray Milkey | b34b496 | 2016-01-04 10:24:43 -0800 | [diff] [blame] | 487 | if (stateMachine.state() == StateMachine.STATE_AUTHORIZED) { |
| 488 | stateMachine.logoff(); |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 489 | } |
| 490 | |
| 491 | break; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 492 | case EAPOL.EAPOL_PACKET: |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 493 | RADIUS radiusPayload; |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 494 | // check if this is a Response/Identify or a Response/TLS |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 495 | EAP eapPacket = (EAP) eapol.getPayload(); |
| 496 | |
| 497 | byte dataType = eapPacket.getDataType(); |
| 498 | switch (dataType) { |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 499 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 500 | case EAP.ATTR_IDENTITY: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 501 | log.debug("EAP packet: EAPOL_PACKET ATTR_IDENTITY"); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 502 | // request id access to RADIUS |
| 503 | stateMachine.setUsername(eapPacket.getData()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 504 | |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 505 | radiusPayload = getRadiusPayload(stateMachine, stateMachine.identifier(), eapPacket); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 506 | radiusPayload = pktCustomizer.customizePacket(radiusPayload, inPacket); |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 507 | radiusPayload.addMessageAuthenticator(AaaManager.this.radiusSecret); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 508 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 509 | sendRadiusPacket(radiusPayload, inPacket); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 510 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 511 | // change the state to "PENDING" |
| 512 | stateMachine.requestAccess(); |
| 513 | break; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 514 | case EAP.ATTR_MD5: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 515 | log.debug("EAP packet: EAPOL_PACKET ATTR_MD5"); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 516 | // verify if the EAP identifier corresponds to the |
| 517 | // challenge identifier from the client state |
| 518 | // machine. |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 519 | if (eapPacket.getIdentifier() == stateMachine.challengeIdentifier()) { |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 520 | //send the RADIUS challenge response |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 521 | radiusPayload = |
| 522 | getRadiusPayload(stateMachine, |
| 523 | stateMachine.identifier(), |
| 524 | eapPacket); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 525 | radiusPayload = pktCustomizer.customizePacket(radiusPayload, inPacket); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 526 | |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 527 | if (stateMachine.challengeState() != null) { |
| 528 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_STATE, |
| 529 | stateMachine.challengeState()); |
| 530 | } |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 531 | radiusPayload.addMessageAuthenticator(AaaManager.this.radiusSecret); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 532 | sendRadiusPacket(radiusPayload, inPacket); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 533 | } |
| 534 | break; |
| 535 | case EAP.ATTR_TLS: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 536 | log.debug("EAP packet: EAPOL_PACKET ATTR_TLS"); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 537 | // request id access to RADIUS |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 538 | radiusPayload = getRadiusPayload(stateMachine, stateMachine.identifier(), eapPacket); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 539 | radiusPayload = pktCustomizer.customizePacket(radiusPayload, inPacket); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 540 | |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 541 | if (stateMachine.challengeState() != null) { |
| 542 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_STATE, |
| 543 | stateMachine.challengeState()); |
| 544 | } |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 545 | stateMachine.setRequestAuthenticator(radiusPayload.generateAuthCode()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 546 | |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 547 | radiusPayload.addMessageAuthenticator(AaaManager.this.radiusSecret); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 548 | sendRadiusPacket(radiusPayload, inPacket); |
Ray Milkey | 5493b51 | 2015-10-21 12:13:49 -0700 | [diff] [blame] | 549 | |
Ray Milkey | f3790b8 | 2015-10-21 16:28:08 -0700 | [diff] [blame] | 550 | if (stateMachine.state() != StateMachine.STATE_PENDING) { |
| 551 | stateMachine.requestAccess(); |
| 552 | } |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 553 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 554 | break; |
| 555 | default: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 556 | log.warn("Unknown EAP packet type"); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 557 | return; |
| 558 | } |
| 559 | break; |
| 560 | default: |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 561 | log.debug("Skipping EAPOL message {}", eapol.getEapolType()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 562 | } |
| 563 | } |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 564 | } |
| 565 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 566 | /** |
| 567 | * Configuration Listener, handles change in configuration. |
| 568 | */ |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 569 | private class InternalConfigListener implements NetworkConfigListener { |
| 570 | |
| 571 | /** |
Ray Milkey | c9e8dcc | 2015-12-30 10:31:32 -0800 | [diff] [blame] | 572 | * Reconfigures the AAA application according to the |
| 573 | * configuration parameters passed. |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 574 | * |
| 575 | * @param cfg configuration object |
| 576 | */ |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 577 | private void reconfigureNetwork(AaaConfig cfg) { |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 578 | log.info("Reconfiguring AaaConfig from config: {}", cfg); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 579 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 580 | if (cfg == null) { |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 581 | newCfg = new AaaConfig(); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 582 | } else { |
| 583 | newCfg = cfg; |
| 584 | } |
| 585 | if (newCfg.nasIp() != null) { |
| 586 | nasIpAddress = newCfg.nasIp(); |
| 587 | } |
| 588 | if (newCfg.radiusIp() != null) { |
| 589 | radiusIpAddress = newCfg.radiusIp(); |
| 590 | } |
| 591 | if (newCfg.radiusMac() != null) { |
| 592 | radiusMacAddress = newCfg.radiusMac(); |
| 593 | } |
| 594 | if (newCfg.nasMac() != null) { |
| 595 | nasMacAddress = newCfg.nasMac(); |
| 596 | } |
| 597 | if (newCfg.radiusSecret() != null) { |
| 598 | radiusSecret = newCfg.radiusSecret(); |
| 599 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 600 | |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 601 | boolean reconfigureCustomizer = false; |
| 602 | if (customizer == null || !customizer.equals(newCfg.radiusPktCustomizer())) { |
| 603 | customizer = newCfg.radiusPktCustomizer(); |
| 604 | configurePacketCustomizer(); |
| 605 | reconfigureCustomizer = true; |
| 606 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 607 | |
Deepa Vaddireddy | e0e1072 | 2017-09-27 05:00:10 +0530 | [diff] [blame] | 608 | if (radiusConnectionType == null |
| 609 | || reconfigureCustomizer |
| 610 | || !radiusConnectionType.equals(newCfg.radiusConnectionType())) { |
| 611 | radiusConnectionType = newCfg.radiusConnectionType(); |
| 612 | if (impl != null) { |
| 613 | impl.withdrawIntercepts(); |
| 614 | impl.clearLocalState(); |
| 615 | } |
| 616 | configureRadiusCommunication(); |
| 617 | impl.initializeLocalState(newCfg); |
| 618 | impl.requestIntercepts(); |
| 619 | } else if (impl != null) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 620 | impl.clearLocalState(); |
| 621 | impl.initializeLocalState(newCfg); |
Ray Milkey | 5d99bd1 | 2015-10-06 15:41:30 -0700 | [diff] [blame] | 622 | } |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 623 | } |
| 624 | |
| 625 | @Override |
| 626 | public void event(NetworkConfigEvent event) { |
| 627 | |
| 628 | if ((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED || |
| 629 | event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED) && |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 630 | event.configClass().equals(AaaConfig.class)) { |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 631 | |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 632 | AaaConfig cfg = netCfgService.getConfig(appId, AaaConfig.class); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 633 | reconfigureNetwork(cfg); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 634 | |
Matt Jeanneret | 2ff1a78 | 2018-06-13 15:24:25 -0400 | [diff] [blame^] | 635 | log.info("Reconfigured: {}", cfg.toString()); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 636 | } |
| 637 | } |
| 638 | } |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 639 | |
| 640 | private class InternalDeviceListener implements DeviceListener { |
| 641 | @Override |
| 642 | public void event(DeviceEvent event) { |
| 643 | |
| 644 | switch (event.type()) { |
| 645 | case PORT_REMOVED: |
| 646 | DeviceId devId = event.subject().id(); |
| 647 | PortNumber portNumber = event.port().number(); |
| 648 | String sessionId = devId.toString() + portNumber.toString(); |
| 649 | |
| 650 | Map<String, StateMachine> sessionIdMap = StateMachine.sessionIdMap(); |
| 651 | StateMachine removed = sessionIdMap.remove(sessionId); |
| 652 | if (removed != null) { |
| 653 | StateMachine.deleteStateMachineMapping(removed); |
| 654 | } |
| 655 | |
| 656 | break; |
| 657 | default: |
| 658 | return; |
| 659 | } |
| 660 | } |
| 661 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 662 | } |