VOL-149: Configure RADIUS Attributes as per subscriber information
VOL-148: RADIUS VLAN ID configurable
Change-Id: I2a51dbf316637e685b7e3c36595a27922c79b23c
diff --git a/src/main/java/org/opencord/aaa/SamplePacketCustomizer.java b/src/main/java/org/opencord/aaa/SamplePacketCustomizer.java
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+++ b/src/main/java/org/opencord/aaa/SamplePacketCustomizer.java
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+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.opencord.aaa;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.RADIUS;
+import org.onlab.packet.RADIUSAttribute;
+
+
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.Port;
+import org.onosproject.net.packet.InboundPacket;
+
+import org.opencord.sadis.SubscriberAndDeviceInformation;
+import org.slf4j.Logger;
+
+import java.nio.ByteBuffer;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+
+/**
+ * Sample RADIUS Packet Customization.
+ *
+ */
+public class SamplePacketCustomizer extends PacketCustomizer {
+
+ private final Logger log = getLogger(getClass());
+
+ public SamplePacketCustomizer(CustomizationInfo customInfo) {
+ super(customInfo);
+ }
+
+ /**
+ * Customize the packet as per specific Setup or RADIUS
+ * server requirements.
+ *
+ * @param inPkt RADIUS packet to be customized
+ * @param eapPacket Incoming packet containing EAP for which this the
+ * RADIUS message is being created
+ * @return Customized RADIUS packet
+ */
+ @Override
+ public RADIUS customizePacket(RADIUS inPkt, InboundPacket eapPacket) {
+ Port p = customInfo.deviceService().getPort(eapPacket.receivedFrom());
+
+ String id = p.annotations().value(AnnotationKeys.PORT_NAME);
+
+ log.info("Customizing packet Port received for {}", id);
+
+ SubscriberAndDeviceInformation subscriber = customInfo.
+ subscriberService().get(id);
+
+ if (subscriber == null) {
+ log.warn("No subscriber found with id {}", id);
+ return inPkt;
+ }
+
+ String nasPortId = subscriber.nasPortId();
+
+ Ethernet ethPkt = eapPacket.parsed();
+ MacAddress srcMac = ethPkt.getSourceMAC();
+
+ // Get the nasId from subscriber service using the Serial Number
+ String serialNo = customInfo.deviceService().getDevice(eapPacket.
+ receivedFrom().deviceId()).serialNumber();
+
+ log.info("SampleRadiusCustomizer serial = {}", serialNo);
+ SubscriberAndDeviceInformation deviceInfo = customInfo.
+ subscriberService().get(serialNo);
+
+ if (deviceInfo == null) {
+ log.warn("No Device found with SN {}", serialNo);
+ return inPkt;
+ }
+ String nodeName = deviceInfo.nasId();
+
+ log.info("Setting user={} nasId={} nasPort{}", srcMac, nodeName,
+ nasPortId);
+ inPkt.updateAttribute(RADIUSAttribute.RADIUS_ATTR_USERNAME,
+ srcMac.toString().getBytes());
+
+ inPkt.updateAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_IP,
+ deviceInfo.ipAddress().toOctets());
+
+ inPkt.setAttribute(RADIUSAttribute.RADIUS_ATTR_CALLING_STATION_ID,
+ srcMac.toString().getBytes());
+
+ // Check value - 16 was used in PoC2, as per PoC3 TS value should be 15
+ inPkt.setAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_PORT_TYPE,
+ ByteBuffer.allocate(4).putInt(15).array());
+
+ // Check - This may not be needed but was used in PoC2
+ inPkt.setAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_PORT,
+ ByteBuffer.allocate(4).putInt(46178304).array());
+ // Check - If this is needed, worked with this value in PoC2
+ inPkt.setAttribute(RADIUSAttribute.RADIUS_ATTR_ACCT_SESSION_ID,
+ "023:27:46:00000".getBytes());
+
+ inPkt.setAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_ID,
+ nodeName.getBytes());
+ inPkt.setAttribute(RADIUSAttribute.RADIUS_ATTR_NAS_PORT_ID,
+ nasPortId.getBytes());
+
+ return inPkt;
+ }
+
+ /**
+ * Customize the Ethernet header as per specific Setup or RADIUS
+ * server requirements.
+ *
+ * @param inPkt Ethernet packet to be changed
+ * @param eapPacket Incoming packet containing EAP for which this the
+ * RADIUS message is being created
+ * @return Changed Ethernet packet
+ */
+ public Ethernet customizeEthernetIPHeaders(Ethernet inPkt,
+ InboundPacket eapPacket) {
+
+ String serialNo = customInfo.deviceService().getDevice(eapPacket.
+ receivedFrom().deviceId()).serialNumber();
+
+ log.info("SampleRadiusCustomzer customizer serial = {}", serialNo);
+ SubscriberAndDeviceInformation deviceInfo = customInfo.
+ subscriberService().get(serialNo);
+
+ if (deviceInfo == null) {
+ log.warn("No Device found with SN {}", serialNo);
+ return inPkt;
+ }
+
+ inPkt.setSourceMACAddress(deviceInfo.hardwareIdentifier());
+
+ IPv4 ipv4Packet = (IPv4) inPkt.getPayload();
+ ipv4Packet.setSourceAddress(deviceInfo.ipAddress().toString());
+ inPkt.setPayload(ipv4Packet);
+
+ return inPkt;
+ }
+}