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.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -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.sadis.SubscriberAndDeviceInformation; |
| 55 | import org.opencord.sadis.SubscriberAndDeviceInformationService; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 56 | import org.slf4j.Logger; |
| 57 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 58 | import java.net.InetAddress; |
| 59 | import java.nio.ByteBuffer; |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 60 | import java.util.Map; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 61 | |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 62 | import static org.onosproject.net.config.basics.SubjectFactories.APP_SUBJECT_FACTORY; |
| 63 | import static org.slf4j.LoggerFactory.getLogger; |
| 64 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 65 | /** |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 66 | * AAA application for ONOS. |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 67 | */ |
| 68 | @Component(immediate = true) |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 69 | public class |
| 70 | AaaManager { |
Charles Chan | df7ff86 | 2017-01-20 11:22:05 -0800 | [diff] [blame] | 71 | private static final String APP_NAME = "org.opencord.aaa"; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 72 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 73 | // for verbose output |
| 74 | private final Logger log = getLogger(getClass()); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 75 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 76 | // a list of our dependencies : |
| 77 | // to register with ONOS as an application - described next |
| 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 79 | protected CoreService coreService; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 80 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 81 | // to receive Packet-in events that we'll respond to |
| 82 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 83 | protected PacketService packetService; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 84 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 85 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 86 | protected NetworkConfigRegistry netCfgService; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 87 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 88 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 89 | protected DeviceService deviceService; |
| 90 | |
| 91 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 92 | protected SubscriberAndDeviceInformationService subsService; |
| 93 | |
| 94 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 95 | protected MastershipService mastershipService; |
| 96 | |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 97 | // FIXME: can't depend on AccessDeviceService |
| 98 | // @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 99 | // protected AccessDeviceService accessDeviceService; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 100 | |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 101 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 102 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 103 | // NAS IP address |
| 104 | protected InetAddress nasIpAddress; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 105 | |
| 106 | // self MAC address |
| 107 | protected static String nasMacAddress; |
| 108 | |
| 109 | // Parsed RADIUS server addresses |
| 110 | protected InetAddress radiusIpAddress; |
| 111 | |
| 112 | // MAC address of RADIUS server or net hop router |
| 113 | protected String radiusMacAddress; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 114 | |
| 115 | // RADIUS server secret |
| 116 | protected String radiusSecret; |
| 117 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 118 | // NAS Identifier |
| 119 | protected String nasId; |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 120 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 121 | // bindings |
| 122 | protected CustomizationInfo customInfo; |
Ray Milkey | 5d99bd1 | 2015-10-06 15:41:30 -0700 | [diff] [blame] | 123 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 124 | // our application-specific event handler |
| 125 | private ReactivePacketProcessor processor = new ReactivePacketProcessor(); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 126 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 127 | // our unique identifier |
| 128 | private ApplicationId appId; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 129 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 130 | // Setup specific customization/attributes on the RADIUS packets |
| 131 | PacketCustomizer pktCustomizer; |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 132 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 133 | // packet customizer to use |
| 134 | private String customizer; |
| 135 | |
| 136 | // Type of connection to use to communicate with Radius server, options are |
| 137 | // "socket" or "packet_out" |
| 138 | private String radiusConnectionType; |
| 139 | |
| 140 | // Object for the spcific type of communication with the RADIUS |
| 141 | // server, socket based or packet_out based |
| 142 | RadiusCommunicator impl = null; |
| 143 | |
| 144 | // latest configuration |
| 145 | AaaConfig newCfg; |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 146 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 147 | // Configuration properties factory |
| 148 | private final ConfigFactory factory = |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 149 | new ConfigFactory<ApplicationId, AaaConfig>(APP_SUBJECT_FACTORY, |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 150 | AaaConfig.class, |
| 151 | "AAA") { |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 152 | @Override |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 153 | public AaaConfig createConfig() { |
| 154 | return new AaaConfig(); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 155 | } |
| 156 | }; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 157 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 158 | // Listener for config changes |
| 159 | private final InternalConfigListener cfgListener = new InternalConfigListener(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 160 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 161 | /** |
| 162 | * Builds an EAPOL packet based on the given parameters. |
| 163 | * |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 164 | * @param dstMac destination MAC address |
| 165 | * @param srcMac source MAC address |
| 166 | * @param vlan VLAN identifier |
| 167 | * @param eapolType EAPOL type |
| 168 | * @param eap EAP payload |
| 169 | * @param priorityCode the priority code associated with the VLAN |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 170 | * @return Ethernet frame |
| 171 | */ |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 172 | private static Ethernet buildEapolResponse(MacAddress dstMac, |
| 173 | MacAddress srcMac, |
| 174 | short vlan, |
| 175 | byte eapolType, |
| 176 | EAP eap, |
| 177 | byte priorityCode) { |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 178 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 179 | Ethernet eth = new Ethernet(); |
| 180 | eth.setDestinationMACAddress(dstMac.toBytes()); |
| 181 | eth.setSourceMACAddress(srcMac.toBytes()); |
| 182 | eth.setEtherType(EthType.EtherType.EAPOL.ethType().toShort()); |
| 183 | if (vlan != Ethernet.VLAN_UNTAGGED) { |
| 184 | eth.setVlanID(vlan); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 185 | eth.setPriorityCode(priorityCode); |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 186 | } |
| 187 | //eapol header |
| 188 | EAPOL eapol = new EAPOL(); |
| 189 | eapol.setEapolType(eapolType); |
| 190 | eapol.setPacketLength(eap.getLength()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 191 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 192 | //eap part |
| 193 | eapol.setPayload(eap); |
| 194 | |
| 195 | eth.setPayload(eapol); |
| 196 | eth.setPad(true); |
| 197 | return eth; |
| 198 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 199 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 200 | @Activate |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 201 | public void activate() { |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 202 | netCfgService.registerConfigFactory(factory); |
Charles Chan | df7ff86 | 2017-01-20 11:22:05 -0800 | [diff] [blame] | 203 | appId = coreService.registerApplication(APP_NAME); |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 204 | customInfo = new CustomizationInfo(subsService, deviceService); |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 205 | cfgListener.reconfigureNetwork(netCfgService.getConfig(appId, AaaConfig.class)); |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 206 | configureRadiusCommunication(); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 207 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 208 | // register our event handler |
Brian O'Connor | d9c7da0 | 2015-07-29 17:49:24 -0700 | [diff] [blame] | 209 | packetService.addProcessor(processor, PacketProcessor.director(2)); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 210 | |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 211 | |
| 212 | StateMachine.initializeMaps(); |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 213 | // FIXME: can't depend on AccessDeviceService |
| 214 | // StateMachine.setAccessDeviceService(accessDeviceService); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 215 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 216 | impl.initializeLocalState(newCfg); |
alshabib | 27afc1d | 2016-12-23 00:33:58 -0800 | [diff] [blame] | 217 | netCfgService.addListener(cfgListener); |
| 218 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 219 | impl.requestIntercepts(); |
| 220 | |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 221 | deviceService.addListener(deviceListener); |
| 222 | |
Jian Li | 13c6716 | 2015-12-09 13:20:34 -0800 | [diff] [blame] | 223 | log.info("Started"); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 224 | } |
| 225 | |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 226 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 227 | @Deactivate |
| 228 | public void deactivate() { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 229 | impl.withdrawIntercepts(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 230 | // de-register and null our handler |
| 231 | packetService.removeProcessor(processor); |
| 232 | processor = null; |
Deepa Vaddireddy | b9c24c6 | 2017-09-21 13:45:30 +0530 | [diff] [blame] | 233 | netCfgService.removeListener(cfgListener); |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 234 | StateMachine.destroyMaps(); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 235 | impl.deactivate(); |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 236 | deviceService.removeListener(deviceListener); |
Jian Li | 13c6716 | 2015-12-09 13:20:34 -0800 | [diff] [blame] | 237 | log.info("Stopped"); |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 238 | } |
| 239 | |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 240 | private void configureRadiusCommunication() { |
| 241 | if (radiusConnectionType.toLowerCase().equals("socket")) { |
| 242 | impl = new SocketBasedRadiusCommunicator(appId, packetService, this); |
| 243 | } else { |
| 244 | impl = new PortBasedRadiusCommunicator(appId, packetService, mastershipService, |
| 245 | deviceService, subsService, pktCustomizer, this); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | private void configurePacketCustomizer() { |
| 250 | switch (customizer.toLowerCase()) { |
| 251 | case "sample": |
| 252 | pktCustomizer = new SamplePacketCustomizer(customInfo); |
| 253 | log.info("Created SamplePacketCustomizer"); |
| 254 | break; |
| 255 | default: |
| 256 | pktCustomizer = new PacketCustomizer(customInfo); |
| 257 | log.info("Created default PacketCustomizer"); |
| 258 | break; |
| 259 | } |
| 260 | } |
| 261 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 262 | /** |
| 263 | * Send RADIUS packet to the RADIUS server. |
| 264 | * |
| 265 | * @param radiusPacket RADIUS packet to be sent to server. |
| 266 | * @param inPkt Incoming EAPOL packet |
| 267 | */ |
| 268 | protected void sendRadiusPacket(RADIUS radiusPacket, InboundPacket inPkt) { |
| 269 | impl.sendRadiusPacket(radiusPacket, inPkt); |
| 270 | } |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 271 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 272 | /** |
| 273 | * Handles RADIUS packets. |
| 274 | * |
| 275 | * @param radiusPacket RADIUS packet coming from the RADIUS server. |
| 276 | * @throws StateMachineException if an illegal state transition is triggered |
| 277 | */ |
| 278 | public void handleRadiusPacket(RADIUS radiusPacket) throws StateMachineException { |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 279 | StateMachine stateMachine = |
| 280 | StateMachine.lookupStateMachineById(radiusPacket.getIdentifier()); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 281 | if (stateMachine == null) { |
| 282 | log.error("Invalid session identifier {}, exiting...", radiusPacket.getIdentifier()); |
| 283 | return; |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 284 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 285 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 286 | EAP eapPayload; |
| 287 | Ethernet eth; |
Aaron Kruglikov | d39d99e | 2015-07-03 13:30:57 -0700 | [diff] [blame] | 288 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 289 | switch (radiusPacket.getCode()) { |
| 290 | case RADIUS.RADIUS_CODE_ACCESS_CHALLENGE: |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 291 | RADIUSAttribute radiusAttrState = |
| 292 | radiusPacket.getAttribute(RADIUSAttribute.RADIUS_ATTR_STATE); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 293 | byte[] challengeState = null; |
| 294 | if (radiusAttrState != null) { |
| 295 | challengeState = radiusAttrState.getValue(); |
| 296 | } |
| 297 | eapPayload = radiusPacket.decapsulateMessage(); |
| 298 | stateMachine.setChallengeInfo(eapPayload.getIdentifier(), challengeState); |
| 299 | eth = buildEapolResponse(stateMachine.supplicantAddress(), |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 300 | MacAddress.valueOf(nasMacAddress), |
| 301 | stateMachine.vlanId(), |
| 302 | EAPOL.EAPOL_PACKET, |
| 303 | eapPayload, stateMachine.priorityCode()); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 304 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
| 305 | break; |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 306 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 307 | case RADIUS.RADIUS_CODE_ACCESS_ACCEPT: |
| 308 | //send an EAPOL - Success to the supplicant. |
| 309 | byte[] eapMessageSuccess = |
| 310 | radiusPacket.getAttribute(RADIUSAttribute.RADIUS_ATTR_EAP_MESSAGE).getValue(); |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 311 | eapPayload = deserializeEap(eapMessageSuccess); |
| 312 | if (eapPayload != null) { |
| 313 | eth = buildEapolResponse(stateMachine.supplicantAddress(), |
| 314 | MacAddress.valueOf(nasMacAddress), |
| 315 | stateMachine.vlanId(), |
| 316 | EAPOL.EAPOL_PACKET, |
| 317 | eapPayload, stateMachine.priorityCode()); |
| 318 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
| 319 | stateMachine.authorizeAccess(); |
| 320 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 321 | break; |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 322 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 323 | case RADIUS.RADIUS_CODE_ACCESS_REJECT: |
| 324 | //send an EAPOL - Failure to the supplicant. |
| 325 | byte[] eapMessageFailure; |
| 326 | eapPayload = new EAP(); |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 327 | RADIUSAttribute radiusAttrEap = |
| 328 | radiusPacket.getAttribute(RADIUSAttribute.RADIUS_ATTR_EAP_MESSAGE); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 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(); |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 335 | eapPayload = deserializeEap(eapMessageFailure); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 336 | } |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 337 | if (eapPayload != null) { |
| 338 | eth = buildEapolResponse(stateMachine.supplicantAddress(), |
| 339 | MacAddress.valueOf(nasMacAddress), |
| 340 | stateMachine.vlanId(), |
| 341 | EAPOL.EAPOL_PACKET, |
| 342 | eapPayload, stateMachine.priorityCode()); |
| 343 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
| 344 | stateMachine.denyAccess(); |
| 345 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 346 | break; |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 347 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 348 | default: |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 349 | log.warn("Unknown RADIUS message received with code: {}", |
| 350 | radiusPacket.getCode()); |
| 351 | break; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 352 | } |
Aaron Kruglikov | d39d99e | 2015-07-03 13:30:57 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 355 | // Isolate the method call to deserialize the EAP payload -- |
| 356 | // Note: the deserialize() instance method was deprecated in |
| 357 | // ONOS Cardinal (1.2), and removed in ONOS Magpie (1.12). |
| 358 | // A packet-specific Deserializer should be used instead. |
| 359 | private EAP deserializeEap(byte[] eapBytes) { |
| 360 | try { |
| 361 | return EAP.deserializer().deserialize(eapBytes, 0, eapBytes.length); |
| 362 | } catch (DeserializationException e) { |
| 363 | log.error("Unable to deserialize EAP packet", e); |
| 364 | } |
| 365 | return null; |
| 366 | } |
| 367 | |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 368 | /** |
| 369 | * Send the ethernet packet to the supplicant. |
| 370 | * |
| 371 | * @param ethernetPkt the ethernet packet |
| 372 | * @param connectPoint the connect point to send out |
| 373 | */ |
| 374 | private void sendPacketToSupplicant(Ethernet ethernetPkt, ConnectPoint connectPoint) { |
| 375 | TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(connectPoint.port()).build(); |
| 376 | OutboundPacket packet = new DefaultOutboundPacket(connectPoint.deviceId(), |
| 377 | treatment, ByteBuffer.wrap(ethernetPkt.serialize())); |
| 378 | packetService.emit(packet); |
| 379 | } |
| 380 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 381 | // our handler defined as a private inner class |
| 382 | |
| 383 | /** |
| 384 | * Packet processor responsible for forwarding packets along their paths. |
| 385 | */ |
| 386 | private class ReactivePacketProcessor implements PacketProcessor { |
| 387 | @Override |
| 388 | public void process(PacketContext context) { |
| 389 | |
| 390 | // Extract the original Ethernet frame from the packet information |
| 391 | InboundPacket pkt = context.inPacket(); |
| 392 | Ethernet ethPkt = pkt.parsed(); |
| 393 | if (ethPkt == null) { |
| 394 | return; |
| 395 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 396 | |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 397 | try { |
| 398 | // identify if incoming packet comes from supplicant (EAP) or RADIUS |
| 399 | switch (EthType.EtherType.lookup(ethPkt.getEtherType())) { |
| 400 | case EAPOL: |
| 401 | handleSupplicantPacket(context.inPacket()); |
| 402 | break; |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 403 | default: |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 404 | // any other packets let the specific implementation handle |
| 405 | impl.handlePacketFromServer(context); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 406 | } |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 407 | } catch (StateMachineException e) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 408 | log.warn("Unable to process packet:", e); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 409 | } |
| 410 | } |
| 411 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 412 | /** |
| 413 | * Creates and initializes common fields of a RADIUS packet. |
| 414 | * |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 415 | * @param stateMachine state machine for the request |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 416 | * @param eapPacket EAP packet |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 417 | * @return RADIUS packet |
| 418 | */ |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 419 | private RADIUS getRadiusPayload(StateMachine stateMachine, byte identifier, EAP eapPacket) { |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 420 | RADIUS radiusPayload = |
| 421 | new RADIUS(RADIUS.RADIUS_CODE_ACCESS_REQUEST, |
| 422 | eapPacket.getIdentifier()); |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 423 | |
| 424 | // set Request Authenticator in StateMachine |
| 425 | stateMachine.setRequestAuthenticator(radiusPayload.generateAuthCode()); |
| 426 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 427 | radiusPayload.setIdentifier(identifier); |
| 428 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_USERNAME, |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 429 | stateMachine.username()); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 430 | |
| 431 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_IP, |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 432 | AaaManager.this.nasIpAddress.getAddress()); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 433 | |
| 434 | radiusPayload.encapsulateMessage(eapPacket); |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 435 | |
| 436 | return radiusPayload; |
| 437 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 438 | |
| 439 | /** |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 440 | * Handles PAE packets (supplicant). |
| 441 | * |
| 442 | * @param inPacket Ethernet packet coming from the supplicant |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 443 | */ |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 444 | private void handleSupplicantPacket(InboundPacket inPacket) throws StateMachineException { |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 445 | Ethernet ethPkt = inPacket.parsed(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 446 | // Where does it come from? |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 447 | MacAddress srcMac = ethPkt.getSourceMAC(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 448 | |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 449 | DeviceId deviceId = inPacket.receivedFrom().deviceId(); |
| 450 | PortNumber portNumber = inPacket.receivedFrom().port(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 451 | String sessionId = deviceId.toString() + portNumber.toString(); |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 452 | StateMachine stateMachine = StateMachine.lookupStateMachineBySessionId(sessionId); |
| 453 | if (stateMachine == null) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 454 | if (deviceService != null) { |
| 455 | String nasPortId = deviceService.getPort(inPacket.receivedFrom()). |
| 456 | annotations().value(AnnotationKeys.PORT_NAME); |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 457 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 458 | SubscriberAndDeviceInformation subscriber = |
| 459 | subsService.get(nasPortId); |
| 460 | if (subscriber != null) { |
| 461 | stateMachine = new StateMachine(sessionId, subscriber.cTag()); |
Amit Ghosh | cf39d97 | 2017-08-16 08:15:20 +0100 | [diff] [blame] | 462 | } else { |
| 463 | log.error("Could not create new state machine for {}", nasPortId); |
| 464 | return; |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 465 | } |
| 466 | } else { |
| 467 | stateMachine = new StateMachine(sessionId, VlanId.vlanId((short) 0)); |
| 468 | } |
| 469 | } |
Jonathan Hart | a46dddf | 2015-06-30 15:31:20 -0700 | [diff] [blame] | 470 | |
| 471 | EAPOL eapol = (EAPOL) ethPkt.getPayload(); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 472 | |
| 473 | switch (eapol.getEapolType()) { |
| 474 | case EAPOL.EAPOL_START: |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 475 | stateMachine.start(); |
| 476 | stateMachine.setSupplicantConnectpoint(inPacket.receivedFrom()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 477 | |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 478 | //send an EAP Request/Identify to the supplicant |
| 479 | EAP eapPayload = new EAP(EAP.REQUEST, stateMachine.identifier(), EAP.ATTR_IDENTITY, null); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 480 | if (ethPkt.getVlanID() != Ethernet.VLAN_UNTAGGED) { |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 481 | stateMachine.setPriorityCode(ethPkt.getPriorityCode()); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 482 | } |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 483 | Ethernet eth = buildEapolResponse(srcMac, MacAddress.valueOf(nasMacAddress), |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 484 | ethPkt.getVlanID(), EAPOL.EAPOL_PACKET, |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 485 | eapPayload, stateMachine.priorityCode()); |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 486 | stateMachine.setSupplicantAddress(srcMac); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 487 | stateMachine.setVlanId(ethPkt.getVlanID()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 488 | |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 489 | sendPacketToSupplicant(eth, stateMachine.supplicantConnectpoint()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 490 | |
| 491 | break; |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 492 | case EAPOL.EAPOL_LOGOFF: |
Ray Milkey | b34b496 | 2016-01-04 10:24:43 -0800 | [diff] [blame] | 493 | if (stateMachine.state() == StateMachine.STATE_AUTHORIZED) { |
| 494 | stateMachine.logoff(); |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | break; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 498 | case EAPOL.EAPOL_PACKET: |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 499 | RADIUS radiusPayload; |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 500 | // check if this is a Response/Identify or a Response/TLS |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 501 | EAP eapPacket = (EAP) eapol.getPayload(); |
| 502 | |
| 503 | byte dataType = eapPacket.getDataType(); |
| 504 | switch (dataType) { |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 505 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 506 | case EAP.ATTR_IDENTITY: |
| 507 | // request id access to RADIUS |
| 508 | stateMachine.setUsername(eapPacket.getData()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 509 | |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 510 | radiusPayload = getRadiusPayload(stateMachine, stateMachine.identifier(), eapPacket); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 511 | radiusPayload = pktCustomizer.customizePacket(radiusPayload, inPacket); |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 512 | radiusPayload.addMessageAuthenticator(AaaManager.this.radiusSecret); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 513 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 514 | sendRadiusPacket(radiusPayload, inPacket); |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 515 | |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 516 | // change the state to "PENDING" |
| 517 | stateMachine.requestAccess(); |
| 518 | break; |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 519 | case EAP.ATTR_MD5: |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 520 | // verify if the EAP identifier corresponds to the |
| 521 | // challenge identifier from the client state |
| 522 | // machine. |
Ray Milkey | f61a24e | 2015-09-24 16:34:02 -0700 | [diff] [blame] | 523 | if (eapPacket.getIdentifier() == stateMachine.challengeIdentifier()) { |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 524 | //send the RADIUS challenge response |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 525 | radiusPayload = |
| 526 | getRadiusPayload(stateMachine, |
| 527 | stateMachine.identifier(), |
| 528 | eapPacket); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 529 | radiusPayload = pktCustomizer.customizePacket(radiusPayload, inPacket); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 530 | |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 531 | if (stateMachine.challengeState() != null) { |
| 532 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_STATE, |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 533 | stateMachine.challengeState()); |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 534 | } |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 535 | radiusPayload.addMessageAuthenticator(AaaManager.this.radiusSecret); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 536 | sendRadiusPacket(radiusPayload, inPacket); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 537 | } |
| 538 | break; |
| 539 | case EAP.ATTR_TLS: |
Ray Milkey | 9eb293f | 2015-09-30 15:09:17 -0700 | [diff] [blame] | 540 | // request id access to RADIUS |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 541 | radiusPayload = getRadiusPayload(stateMachine, stateMachine.identifier(), eapPacket); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 542 | radiusPayload = pktCustomizer.customizePacket(radiusPayload, inPacket); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 543 | |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 544 | if (stateMachine.challengeState() != null) { |
| 545 | radiusPayload.setAttribute(RADIUSAttribute.RADIUS_ATTR_STATE, |
Simon Hunt | f31d8ce | 2017-10-24 15:51:24 -0700 | [diff] [blame] | 546 | stateMachine.challengeState()); |
Qianqian Hu | b55a1ac | 2015-12-23 20:44:48 +0800 | [diff] [blame] | 547 | } |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 548 | stateMachine.setRequestAuthenticator(radiusPayload.generateAuthCode()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 549 | |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 550 | radiusPayload.addMessageAuthenticator(AaaManager.this.radiusSecret); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 551 | sendRadiusPacket(radiusPayload, inPacket); |
Ray Milkey | 5493b51 | 2015-10-21 12:13:49 -0700 | [diff] [blame] | 552 | |
Ray Milkey | f3790b8 | 2015-10-21 16:28:08 -0700 | [diff] [blame] | 553 | if (stateMachine.state() != StateMachine.STATE_PENDING) { |
| 554 | stateMachine.requestAccess(); |
| 555 | } |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 556 | |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 557 | break; |
| 558 | default: |
| 559 | return; |
| 560 | } |
| 561 | break; |
| 562 | default: |
Ray Milkey | f51eba2 | 2015-09-25 10:24:23 -0700 | [diff] [blame] | 563 | log.trace("Skipping EAPOL message {}", eapol.getEapolType()); |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 564 | } |
| 565 | } |
Ray Milkey | 967776a | 2015-10-07 14:37:17 -0700 | [diff] [blame] | 566 | } |
| 567 | |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 568 | /** |
| 569 | * Configuration Listener, handles change in configuration. |
| 570 | */ |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 571 | private class InternalConfigListener implements NetworkConfigListener { |
| 572 | |
| 573 | /** |
Ray Milkey | c9e8dcc | 2015-12-30 10:31:32 -0800 | [diff] [blame] | 574 | * Reconfigures the AAA application according to the |
| 575 | * configuration parameters passed. |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 576 | * |
| 577 | * @param cfg configuration object |
| 578 | */ |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 579 | private void reconfigureNetwork(AaaConfig cfg) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 580 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 581 | if (cfg == null) { |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 582 | newCfg = new AaaConfig(); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 583 | } else { |
| 584 | newCfg = cfg; |
| 585 | } |
| 586 | if (newCfg.nasIp() != null) { |
| 587 | nasIpAddress = newCfg.nasIp(); |
| 588 | } |
| 589 | if (newCfg.radiusIp() != null) { |
| 590 | radiusIpAddress = newCfg.radiusIp(); |
| 591 | } |
| 592 | if (newCfg.radiusMac() != null) { |
| 593 | radiusMacAddress = newCfg.radiusMac(); |
| 594 | } |
| 595 | if (newCfg.nasMac() != null) { |
| 596 | nasMacAddress = newCfg.nasMac(); |
| 597 | } |
| 598 | if (newCfg.radiusSecret() != null) { |
| 599 | radiusSecret = newCfg.radiusSecret(); |
| 600 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 601 | |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 602 | boolean reconfigureCustomizer = false; |
| 603 | if (customizer == null || !customizer.equals(newCfg.radiusPktCustomizer())) { |
| 604 | customizer = newCfg.radiusPktCustomizer(); |
| 605 | configurePacketCustomizer(); |
| 606 | reconfigureCustomizer = true; |
| 607 | } |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 608 | |
Simon Hunt | 2ce8304 | 2017-10-30 14:57:34 -0700 | [diff] [blame] | 609 | if (radiusConnectionType == null |
| 610 | || reconfigureCustomizer |
| 611 | || !radiusConnectionType.equals(newCfg.radiusConnectionType())) { |
| 612 | radiusConnectionType = newCfg.radiusConnectionType(); |
| 613 | if (impl != null) { |
| 614 | impl.withdrawIntercepts(); |
| 615 | impl.clearLocalState(); |
| 616 | } |
| 617 | configureRadiusCommunication(); |
| 618 | impl.initializeLocalState(newCfg); |
| 619 | impl.requestIntercepts(); |
| 620 | } else if (impl != null) { |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 621 | impl.clearLocalState(); |
| 622 | impl.initializeLocalState(newCfg); |
Ray Milkey | 5d99bd1 | 2015-10-06 15:41:30 -0700 | [diff] [blame] | 623 | } |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | @Override |
| 627 | public void event(NetworkConfigEvent event) { |
| 628 | |
| 629 | if ((event.type() == NetworkConfigEvent.Type.CONFIG_ADDED || |
| 630 | event.type() == NetworkConfigEvent.Type.CONFIG_UPDATED) && |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 631 | event.configClass().equals(AaaConfig.class)) { |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 632 | |
Jonathan Hart | 092dfb2 | 2015-11-16 23:05:21 -0800 | [diff] [blame] | 633 | AaaConfig cfg = netCfgService.getConfig(appId, AaaConfig.class); |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 634 | reconfigureNetwork(cfg); |
Amit Ghosh | c9ac1e5 | 2017-07-28 12:31:18 +0100 | [diff] [blame] | 635 | |
Ray Milkey | fcb623d | 2015-10-01 16:48:18 -0700 | [diff] [blame] | 636 | log.info("Reconfigured"); |
| 637 | } |
| 638 | } |
| 639 | } |
Amit Ghosh | f739be5 | 2017-09-21 15:49:37 +0100 | [diff] [blame] | 640 | |
| 641 | private class InternalDeviceListener implements DeviceListener { |
| 642 | @Override |
| 643 | public void event(DeviceEvent event) { |
| 644 | |
| 645 | switch (event.type()) { |
| 646 | case PORT_REMOVED: |
| 647 | DeviceId devId = event.subject().id(); |
| 648 | PortNumber portNumber = event.port().number(); |
| 649 | String sessionId = devId.toString() + portNumber.toString(); |
| 650 | |
| 651 | Map<String, StateMachine> sessionIdMap = StateMachine.sessionIdMap(); |
| 652 | StateMachine removed = sessionIdMap.remove(sessionId); |
| 653 | if (removed != null) { |
| 654 | StateMachine.deleteStateMachineMapping(removed); |
| 655 | } |
| 656 | |
| 657 | break; |
| 658 | default: |
| 659 | return; |
| 660 | } |
| 661 | } |
| 662 | } |
Ari Saha | 8983174 | 2015-06-26 10:31:48 -0700 | [diff] [blame] | 663 | } |