/*
- * Copyright (C) 2014 Red Hat, Inc.
+ * Copyright (c) 2014, 2015 Red Hat, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
- *
- * Authors : Madhu Venugopal
*/
+
package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.services;
+import java.math.BigInteger;
+import java.util.List;
+
+import org.opendaylight.neutron.spi.NeutronSecurityGroup;
+import org.opendaylight.neutron.spi.NeutronSecurityRule;
+import org.opendaylight.neutron.spi.Neutron_IPs;
+import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
+import org.opendaylight.ovsdb.openstack.netvirt.api.EgressAclProvider;
+import org.opendaylight.ovsdb.openstack.netvirt.api.SecurityServicesManager;
+import org.opendaylight.ovsdb.openstack.netvirt.providers.ConfigInterface;
import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
+import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
+import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
+import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Lists;
+
+public class EgressAclService extends AbstractServiceInstance implements EgressAclProvider, ConfigInterface {
+
+ private static final Logger LOG = LoggerFactory.getLogger(EgressAclService.class);
+ private volatile SecurityServicesManager securityServicesManager;
+ private static final int DHCP_SOURCE_PORT = 67;
+ private static final int DHCP_DESTINATION_PORT = 68;
+ private static final String HOST_MASK = "/32";
-public class EgressAclService extends AbstractServiceInstance {
public EgressAclService() {
super(Service.EGRESS_ACL);
}
}
@Override
- public boolean isBridgeInPipeline (String nodeId) {
- return true;
+ public void programPortSecurityAcl(Long dpid, String segmentationId, String attachedMac, long localPort,
+ NeutronSecurityGroup securityGroup,
+ List<Neutron_IPs> srcAddressList, boolean write) {
+
+ LOG.trace("programPortSecurityAcl: neutronSecurityGroup: {} ", securityGroup);
+ if (securityGroup == null || securityGroup.getSecurityRules() == null) {
+ return;
+ }
+
+ List<NeutronSecurityRule> portSecurityList = securityGroup.getSecurityRules();
+ /* Iterate over the Port Security Rules in the Port Security Group bound to the port*/
+ for (NeutronSecurityRule portSecurityRule : portSecurityList) {
+ /**
+ * Neutron Port Security Acl "egress" and "IPv4"
+ * Check that the base conditions for flow based Port Security are true:
+ * Port Security Rule Direction ("egress") and Protocol ("IPv4")
+ * Neutron defines the direction "ingress" as the vSwitch to the VM as defined in:
+ * http://docs.openstack.org/api/openstack-network/2.0/content/security_groups.html
+ *
+ */
+ if ("IPv4".equals(portSecurityRule.getSecurityRuleEthertype())
+ && portSecurityRule.getSecurityRuleDirection().equals("egress")) {
+ LOG.debug("programPortSecurityAcl: Acl Rule matching IPv4 and ingress is: {} ", portSecurityRule);
+ if (null == portSecurityRule.getSecurityRuleProtocol()) {
+ /* TODO Rework on the priority values */
+ egressAclIPv4(dpid, segmentationId, attachedMac,
+ write, Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ } else if (null != portSecurityRule.getSecurityRemoteGroupID()) {
+ //Remote Security group is selected
+ List<Neutron_IPs> remoteSrcAddressList = securityServicesManager
+ .getVmListForSecurityGroup(srcAddressList,portSecurityRule.getSecurityRemoteGroupID());
+ if (null != remoteSrcAddressList) {
+ for (Neutron_IPs vmIp :remoteSrcAddressList ) {
+ switch (portSecurityRule.getSecurityRuleProtocol()) {
+ case MatchUtils.TCP:
+ egressAclTcp(dpid, segmentationId, attachedMac,
+ portSecurityRule,vmIp.getIpAddress(), write,
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ break;
+ case MatchUtils.UDP:
+ egressAclUdp(dpid, segmentationId, attachedMac,
+ portSecurityRule,vmIp.getIpAddress(), write,
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ break;
+ case MatchUtils.ICMP:
+ egressAclIcmp(dpid, segmentationId, attachedMac,
+ portSecurityRule, vmIp.getIpAddress(),write,
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ break;
+ default:
+ LOG.error("programPortSecurityAcl: Protocol not supported", portSecurityRule);
+ break;
+ }
+ }
+ }
+ } else {
+ //CIDR is selected
+ switch (portSecurityRule.getSecurityRuleProtocol()) {
+ case MatchUtils.TCP:
+ egressAclTcp(dpid, segmentationId, attachedMac,
+ portSecurityRule, null, write, Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ break;
+ case MatchUtils.UDP:
+ egressAclUdp(dpid, segmentationId, attachedMac,
+ portSecurityRule, null, write, Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ break;
+ case MatchUtils.ICMP:
+ egressAclIcmp(dpid, segmentationId, attachedMac,
+ portSecurityRule, null, write, Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ break;
+ default:
+ LOG.error("programPortSecurityAcl: Protocol not supported", portSecurityRule);
+ }
+ }
+ }
+ /*
+ * Code is refactored to handle all the protocols. More
+ * protocols will be added incrementrally
+ * TODO Connection tracking will be used to track active TCP connections This code
+ * may be reused then.
+ */
+ /* if (portSecurityRule.getSecurityRuleEthertype().equalsIgnoreCase("IPv4") &&
+ portSecurityRule.getSecurityRuleDirection().equalsIgnoreCase("egress")) {
+ LOG.debug("Egress IPV4 ACL Port Security Rule: {} ", portSecurityRule);
+ // ToDo: Implement Port Range
+
+ *//**
+ * TCP Proto (True), TCP Port Minimum (True), TCP Port Max (True), IP Prefix (True)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("tcp") &&
+ !String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ !String.valueOf(portSecurityRule.getSecurityRulePortMax()).equalsIgnoreCase("null") &&
+ (!String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null") &&
+ !String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix())
+ .equalsIgnoreCase("0.0.0.0/0"))) {
+ LOG.debug(
+ "Rule #1 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac,
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY_DROP,
+ true);
+ egressACLTcpPortWithPrefix(dpid, segmentationId,
+ attachedMac, true, portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix(),
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ continue;
+ }
+ *//**
+ * TCP Proto (True), TCP Port Minimum (True), TCP Port Max (False), IP Prefix (True)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("tcp") &&
+ !String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMax()).equalsIgnoreCase("null") &&
+ (!String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null") &&
+ !String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix())
+ .equalsIgnoreCase("0.0.0.0/0"))) {
+ LOG.debug(
+ "Rule #2 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac,
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY_DROP,
+ true);
+ egressACLTcpPortWithPrefix(dpid, segmentationId,
+ attachedMac, true, portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix(),
+ Constants.PROTO_PORT_PREFIX_MATCH_PRIORITY);
+ continue;
+ }
+ *//**
+ * TCP Proto (True), TCP Port Minimum (False), TCP Port Max (False), IP Prefix (True)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("tcp") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMax()).equalsIgnoreCase("null") &&
+ !String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null")) {
+ LOG.debug(
+ "Rule #3 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac, Constants.PROTO_PREFIX_MATCH_PRIORITY_DROP,
+ true);
+ egressACLPermitAllProto(dpid, segmentationId, attachedMac, true,
+ portSecurityRule.getSecurityRuleRemoteIpPrefix(), Constants.PROTO_PREFIX_MATCH_PRIORITY);
+ continue;
+ }
+ *//**
+ * TCP Proto (False), TCP Port Minimum (False), TCP Port Max (False), IP Prefix (True)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ (!String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null") &&
+ !String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix())
+ .equalsIgnoreCase("0.0.0.0/0"))) {
+ LOG.debug(
+ "Rule #4 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac, Constants.PREFIX_MATCH_PRIORITY_DROP, true);
+ egressACLPermitAllProto(dpid, segmentationId, attachedMac, true,
+ portSecurityRule.getSecurityRuleRemoteIpPrefix(), Constants.PREFIX_MATCH_PRIORITY);
+ continue;
+ }
+ *//**
+ * TCP Proto (True), TCP Port Minimum (True), TCP Port Max (True), IP Prefix (False)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("tcp") &&
+ !String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ !String.valueOf(portSecurityRule.getSecurityRulePortMax()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null")) {
+ LOG.debug(
+ "Rule #5 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac, Constants.PROTO_PORT_MATCH_PRIORITY_DROP,
+ true);
+ egressACLTcpSyn(dpid, segmentationId,
+ attachedMac, true, portSecurityRule.getSecurityRulePortMin(),
+ Constants.PROTO_PORT_MATCH_PRIORITY);
+ continue;
+ }
+ *//**
+ * TCP Proto (True), TCP Port Minimum (True), TCP Port Max (False), IP Prefix (False)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("tcp") &&
+ !String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMax()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null")) {
+ LOG.debug(
+ "Rule #6 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac,
+ Constants.PROTO_PORT_MATCH_PRIORITY_DROP, true);
+ egressACLTcpSyn(dpid, segmentationId, attachedMac, true,
+ portSecurityRule.getSecurityRulePortMin(), Constants.PROTO_PORT_MATCH_PRIORITY);
+ continue;
+ }
+ *//**
+ * TCP Proto (True), TCP Port Minimum (False), TCP Port Max (False), IP Prefix (False or 0.0.0.0/0)
+ *//*
+ if (String.valueOf(portSecurityRule.getSecurityRuleProtocol()).equalsIgnoreCase("tcp") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMin()).equalsIgnoreCase("null") &&
+ String.valueOf(portSecurityRule.getSecurityRulePortMax()).equalsIgnoreCase("null") &&
+ ((String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix()).equalsIgnoreCase("null")) ||
+ String.valueOf(portSecurityRule.getSecurityRuleRemoteIpPrefix())
+ .equalsIgnoreCase("0.0.0.0/0"))) {
+ LOG.debug(
+ "Rule #7 egress PortSec Rule Matches -> TCP Protocol: {}, TCP Port Min: {}, TCP Port Max: {}, IP Prefix: {}",
+ portSecurityRule.getSecurityRuleProtocol(), portSecurityRule.getSecurityRulePortMin(),
+ portSecurityRule.getSecurityRulePortMax(),
+ portSecurityRule.getSecurityRuleRemoteIpPrefix());
+ // No need to drop until UDP/ICMP are implemented
+ // egressACLDefaultTcpDrop(dpid, segmentationId, attachedMac, PROTO_MATCH_PRIORITY_DROP, true);
+ egressAllowProto(dpid, segmentationId, attachedMac, true,
+ portSecurityRule.getSecurityRuleProtocol(), Constants.PROTO_MATCH_PRIORITY);
+ continue;
+ }
+ LOG.debug("ACL Match combination not found for rule: {}", portSecurityRule);
+ }*/
+ }
+ }
+
+ @Override
+ public void programFixedSecurityAcl(Long dpid, String segmentationId, String attachedMac,
+ long localPort, List<Neutron_IPs> srcAddressList,
+ boolean isLastPortinBridge, boolean isComputePort ,boolean write) {
+ // If it is the only port in the bridge add the rule to allow any DHCP client traffic
+ if (isLastPortinBridge) {
+ egressAclDhcpAllowClientTrafficFromVm(dpid, write, Constants.PROTO_DHCP_CLIENT_TRAFFIC_MATCH_PRIORITY);
+ }
+ if (isComputePort) {
+ // add rule to drop the DHCP server traffic originating from the vm.
+ egressAclDhcpDropServerTrafficfromVm(dpid, localPort, write,
+ Constants.PROTO_DHCP_CLIENT_SPOOF_MATCH_PRIORITY_DROP);
+ //Adds rule to check legitimate ip/mac pair for each packet from the vm
+ for (Neutron_IPs srcAddress : srcAddressList) {
+ String addressWithPrefix = srcAddress.getIpAddress() + HOST_MASK;
+ egressAclAllowTrafficFromVmIpMacPair(dpid, localPort, attachedMac, addressWithPrefix,
+ Constants.PROTO_VM_IP_MAC_MATCH_PRIORITY,write);
+ }
+ }
+ }
+
+ /**
+ * Allows IPv4 packet egress from the src mac address.
+ * @param dpidLong the dpid
+ * @param segmentationId the segementation id
+ * @param srcMac the src mac address
+ * @param write add or remove
+ * @param protoPortMatchPriority the protocol match priority.
+ */
+ private void egressAclIPv4(Long dpidLong, String segmentationId, String srcMac,
+ boolean write, Integer protoPortMatchPriority ) {
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ String flowId = "Egress_IP" + segmentationId + "_" + srcMac + "_Permit_";
+ matchBuilder = MatchUtils.createEtherMatchWithType(matchBuilder,srcMac,null);
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, false);
+ }
+
+ /**
+ * Creates a egress match with src macaddress. If dest address is specified
+ * destination specific match will be created. Otherwise a match with a
+ * CIDR will be created.
+ * @param dpidLong the dpid
+ * @param segmentationId the segmentation id
+ * @param srcMac the source mac address.
+ * @param portSecurityRule the security rule in the SG
+ * @param dstAddress the destination IP address
+ * @param write add or delete
+ * @param protoPortMatchPriority the protocol match priroty
+ */
+ private void egressAclTcp(Long dpidLong, String segmentationId, String srcMac,
+ NeutronSecurityRule portSecurityRule, String dstAddress,
+ boolean write, Integer protoPortMatchPriority) {
+ MatchBuilder matchBuilder = new MatchBuilder();
+ String flowId = "Egress_Custom_Tcp" + segmentationId + "_" + srcMac + "_";
+ matchBuilder = MatchUtils.createEtherMatchWithType(matchBuilder,srcMac,null);
+ if (portSecurityRule.getSecurityRulePortMin().equals(portSecurityRule.getSecurityRulePortMax())) {
+ flowId = flowId + portSecurityRule.getSecurityRulePortMin();
+ matchBuilder = MatchUtils.addLayer4Match(matchBuilder, MatchUtils.TCP_SHORT, 0,
+ portSecurityRule.getSecurityRulePortMin());
+ } else {
+ /*TODO TCP PortRange Match*/
+
+ }
+
+ if (null != dstAddress) {
+ flowId = flowId + dstAddress;
+ matchBuilder = MatchUtils.addRemoteIpPrefix(matchBuilder,null,
+ MatchUtils.iPv4PrefixFromIPv4Address(dstAddress));
+
+ } else if (null != portSecurityRule.getSecurityRuleRemoteIpPrefix()) {
+ flowId = flowId + portSecurityRule.getSecurityRuleRemoteIpPrefix();
+ matchBuilder = MatchUtils.addRemoteIpPrefix(matchBuilder,null,
+ new Ipv4Prefix(portSecurityRule
+ .getSecurityRuleRemoteIpPrefix()));
+ }
+ flowId = flowId + "_Permit_";
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, false);
+
+ }
+
+ /**
+ * Creates a egress match with src macaddress. If dest address is specified
+ * destination specific match will be created. Otherwise a match with a
+ * CIDR will be created.
+ * @param dpidLong the dpid
+ * @param segmentationId the segmentation id
+ * @param srcMac the source mac address.
+ * @param portSecurityRule the security rule in the SG
+ * @param dstAddress the source IP address
+ * @param write add or delete
+ * @param protoPortMatchPriority the protocol match priority
+ */
+ private void egressAclIcmp(Long dpidLong, String segmentationId, String srcMac,
+ NeutronSecurityRule portSecurityRule, String dstAddress,
+ boolean write, Integer protoPortMatchPriority) {
+ MatchBuilder matchBuilder = new MatchBuilder();
+ String flowId = "Egress_ICMP_" + segmentationId + "_" + srcMac + "_"
+ + portSecurityRule.getSecurityRulePortMin().shortValue() + "_"
+ + portSecurityRule.getSecurityRulePortMax().shortValue() + "_";
+ matchBuilder = MatchUtils.createEtherMatchWithType(matchBuilder,srcMac,null);
+ matchBuilder = MatchUtils.createICMPv4Match(matchBuilder,
+ portSecurityRule.getSecurityRulePortMin().shortValue(),
+ portSecurityRule.getSecurityRulePortMax().shortValue());
+ if (null != dstAddress) {
+ flowId = flowId + dstAddress;
+ matchBuilder = MatchUtils.addRemoteIpPrefix(matchBuilder,null,
+ MatchUtils.iPv4PrefixFromIPv4Address(dstAddress));
+ } else if (null != portSecurityRule.getSecurityRuleRemoteIpPrefix()) {
+ flowId = flowId + portSecurityRule.getSecurityRuleRemoteIpPrefix();
+ matchBuilder = MatchUtils.addRemoteIpPrefix(matchBuilder,null,
+ new Ipv4Prefix(portSecurityRule.getSecurityRuleRemoteIpPrefix()));
+ }
+ flowId = flowId + "_Permit";
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, false);
+
+ }
+
+ /**
+ * Creates a egress match with src macaddress. If dest address is specified
+ * destination specific match will be created. Otherwise a match with a
+ * CIDR will be created.
+ * @param dpidLong the dpid
+ * @param segmentationId the segmentation id
+ * @param srcMac the source mac address.
+ * @param portSecurityRule the security rule in the SG
+ * @param dstAddress the source IP address
+ * @param write add or delete
+ * @param protoPortMatchPriority the protocol match priroty
+ */
+ private void egressAclUdp(Long dpidLong, String segmentationId, String srcMac,
+ NeutronSecurityRule portSecurityRule, String dstAddress,
+ boolean write, Integer protoPortMatchPriority) {
+
+ MatchBuilder matchBuilder = new MatchBuilder();
+ String flowId = "Eress_UDP" + segmentationId + "_" + srcMac + "_";
+ matchBuilder = MatchUtils.createEtherMatchWithType(matchBuilder,srcMac,null);
+ if (portSecurityRule.getSecurityRulePortMin().equals(portSecurityRule.getSecurityRulePortMax())) {
+ flowId = flowId + portSecurityRule.getSecurityRulePortMin();
+ matchBuilder = MatchUtils.addLayer4Match(matchBuilder, MatchUtils.UDP_SHORT, 0,
+ portSecurityRule.getSecurityRulePortMin());
+ } else {
+ /*TODO UDP PortRange Match*/
+
+ }
+
+ if (null != dstAddress) {
+ flowId = flowId + dstAddress;
+ matchBuilder = MatchUtils.addRemoteIpPrefix(matchBuilder,null,
+ MatchUtils.iPv4PrefixFromIPv4Address(dstAddress));
+
+ } else if (null != portSecurityRule.getSecurityRuleRemoteIpPrefix()) {
+ flowId = flowId + portSecurityRule.getSecurityRuleRemoteIpPrefix();
+ matchBuilder = MatchUtils.addRemoteIpPrefix(matchBuilder, null,
+ new Ipv4Prefix(portSecurityRule
+ .getSecurityRuleRemoteIpPrefix()));
+ }
+ flowId = flowId + "_Permit_";
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, false);
+
+ }
+ public void egressACLDefaultTcpDrop(Long dpidLong, String segmentationId, String attachedMac,
+ int priority, boolean write) {
+
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ FlowBuilder flowBuilder = new FlowBuilder();
+
+ flowBuilder.setMatch(MatchUtils.createSmacTcpPortWithFlagMatch(matchBuilder,
+ attachedMac, Constants.TCP_SYN, segmentationId).build());
+ LOG.debug("MatchBuilder contains: {}", flowBuilder.getMatch());
+
+ String flowId = "TCP_Syn_Egress_Default_Drop_" + segmentationId + "_" + attachedMac;
+ flowBuilder.setId(new FlowId(flowId));
+ FlowKey key = new FlowKey(new FlowId(flowId));
+ flowBuilder.setStrict(false);
+ flowBuilder.setPriority(priority);
+ flowBuilder.setBarrier(true);
+ flowBuilder.setTableId(this.getTable());
+ flowBuilder.setKey(key);
+ flowBuilder.setFlowName(flowId);
+ flowBuilder.setHardTimeout(0);
+ flowBuilder.setIdleTimeout(0);
+
+ if (write) {
+ // Instantiate the Builders for the OF Actions and Instructions
+ InstructionBuilder ib = new InstructionBuilder();
+ InstructionsBuilder isb = new InstructionsBuilder();
+ List<Instruction> instructions = Lists.newArrayList();
+
+ InstructionUtils.createDropInstructions(ib);
+ ib.setOrder(0);
+ ib.setKey(new InstructionKey(0));
+ instructions.add(ib.build());
+ // Add InstructionBuilder to the Instruction(s)Builder List
+ isb.setInstruction(instructions);
+
+ LOG.debug("Instructions contain: {}", ib.getInstruction());
+ // Add InstructionsBuilder to FlowBuilder
+ flowBuilder.setInstructions(isb.build());
+ writeFlow(flowBuilder, nodeBuilder);
+ } else {
+ removeFlow(flowBuilder, nodeBuilder);
+ }
+ }
+
+ public void egressACLTcpPortWithPrefix(Long dpidLong, String segmentationId, String attachedMac, boolean write,
+ Integer securityRulePortMin, String securityRuleIpPrefix, Integer protoPortPrefixMatchPriority) {
+
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ PortNumber tcpPort = new PortNumber(securityRulePortMin);
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ FlowBuilder flowBuilder = new FlowBuilder();
+ Ipv4Prefix srcIpPrefix = new Ipv4Prefix(securityRuleIpPrefix);
+
+ flowBuilder.setMatch(MatchUtils
+ .createSmacTcpSynDstIpPrefixTcpPort(matchBuilder, new MacAddress(attachedMac),
+ tcpPort, Constants.TCP_SYN, segmentationId, srcIpPrefix).build());
+
+ LOG.debug(" MatchBuilder contains: {}", flowBuilder.getMatch());
+ String flowId = "UcastEgress_" + segmentationId + "_" + attachedMac +
+ securityRulePortMin + securityRuleIpPrefix;
+ // Add Flow Attributes
+ flowBuilder.setId(new FlowId(flowId));
+ FlowKey key = new FlowKey(new FlowId(flowId));
+ flowBuilder.setStrict(false);
+ flowBuilder.setPriority(protoPortPrefixMatchPriority);
+ flowBuilder.setBarrier(true);
+ flowBuilder.setTableId(this.getTable());
+ flowBuilder.setKey(key);
+ flowBuilder.setFlowName(flowId);
+ flowBuilder.setHardTimeout(0);
+ flowBuilder.setIdleTimeout(0);
+
+ if (write) {
+ // Instantiate the Builders for the OF Actions and Instructions
+ InstructionsBuilder isb = new InstructionsBuilder();
+ List<Instruction> instructionsList = Lists.newArrayList();
+
+ InstructionBuilder ib = this.getMutablePipelineInstructionBuilder();
+ ib.setOrder(0);
+ ib.setKey(new InstructionKey(0));
+ instructionsList.add(ib.build());
+ isb.setInstruction(instructionsList);
+
+ LOG.debug("Instructions contain: {}", ib.getInstruction());
+ // Add InstructionsBuilder to FlowBuilder
+ flowBuilder.setInstructions(isb.build());
+ writeFlow(flowBuilder, nodeBuilder);
+ } else {
+ removeFlow(flowBuilder, nodeBuilder);
+ }
+ }
+
+
+
+ public void egressAllowProto(Long dpidLong, String segmentationId, String attachedMac, boolean write,
+ String securityRuleProtcol, Integer protoMatchPriority) {
+
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ FlowBuilder flowBuilder = new FlowBuilder();
+
+ flowBuilder.setMatch(MatchUtils
+ .createDmacIpTcpSynMatch(matchBuilder, new MacAddress(attachedMac), null, null).build());
+ flowBuilder.setMatch(MatchUtils
+ .createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId)).build());
+
+ LOG.debug("MatchBuilder contains: {}", flowBuilder.getMatch());
+ String flowId = "EgressAllProto_" + segmentationId + "_" +
+ attachedMac + "_AllowEgressTCPSyn_" + securityRuleProtcol;
+ // Add Flow Attributes
+ flowBuilder.setId(new FlowId(flowId));
+ FlowKey key = new FlowKey(new FlowId(flowId));
+ flowBuilder.setStrict(false);
+ flowBuilder.setPriority(protoMatchPriority);
+ flowBuilder.setBarrier(true);
+ flowBuilder.setTableId(this.getTable());
+ flowBuilder.setKey(key);
+ flowBuilder.setFlowName(flowId);
+ flowBuilder.setHardTimeout(0);
+ flowBuilder.setIdleTimeout(0);
+
+ if (write) {
+ // Instantiate the Builders for the OF Actions and Instructions
+ InstructionsBuilder isb = new InstructionsBuilder();
+ List<Instruction> instructionsList = Lists.newArrayList();
+
+ InstructionBuilder ib = this.getMutablePipelineInstructionBuilder();
+ ib.setOrder(0);
+ ib.setKey(new InstructionKey(0));
+ instructionsList.add(ib.build());
+ isb.setInstruction(instructionsList);
+
+ LOG.debug("Instructions contain: {}", ib.getInstruction());
+ // Add InstructionsBuilder to FlowBuilder
+ flowBuilder.setInstructions(isb.build());
+ writeFlow(flowBuilder, nodeBuilder);
+ } else {
+ removeFlow(flowBuilder, nodeBuilder);
+ }
+ }
+
+ public void egressACLPermitAllProto(Long dpidLong, String segmentationId, String attachedMac,
+ boolean write, String securityRuleIpPrefix, Integer protoPortMatchPriority) {
+
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ FlowBuilder flowBuilder = new FlowBuilder();
+
+ flowBuilder.setMatch(MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId))
+ .build());
+ if (securityRuleIpPrefix != null) {
+ Ipv4Prefix srcIpPrefix = new Ipv4Prefix(securityRuleIpPrefix);
+ flowBuilder.setMatch(MatchUtils
+ .createSmacIpTcpSynMatch(matchBuilder, new MacAddress(attachedMac), null, srcIpPrefix)
+ .build());
+ } else {
+ flowBuilder.setMatch(MatchUtils
+ .createSmacIpTcpSynMatch(matchBuilder, new MacAddress(attachedMac), null, null)
+ .build());
+ }
+ LOG.debug("MatchBuilder contains: {}", flowBuilder.getMatch());
+ String flowId = "Egress_Proto_ACL" + segmentationId + "_" +
+ attachedMac + "_Permit_" + securityRuleIpPrefix;
+ // Add Flow Attributes
+ flowBuilder.setId(new FlowId(flowId));
+ FlowKey key = new FlowKey(new FlowId(flowId));
+ flowBuilder.setStrict(false);
+ flowBuilder.setPriority(protoPortMatchPriority);
+ flowBuilder.setBarrier(true);
+ flowBuilder.setTableId(this.getTable());
+ flowBuilder.setKey(key);
+ flowBuilder.setFlowName(flowId);
+ flowBuilder.setHardTimeout(0);
+ flowBuilder.setIdleTimeout(0);
+
+ if (write) {
+ // Instantiate the Builders for the OF Actions and Instructions
+ InstructionsBuilder isb = new InstructionsBuilder();
+ List<Instruction> instructionsList = Lists.newArrayList();
+
+ InstructionBuilder ib = this.getMutablePipelineInstructionBuilder();
+ ib.setOrder(0);
+ ib.setKey(new InstructionKey(0));
+ instructionsList.add(ib.build());
+ isb.setInstruction(instructionsList);
+
+ LOG.debug("Instructions contain: {}", ib.getInstruction());
+ // Add InstructionsBuilder to FlowBuilder
+ flowBuilder.setInstructions(isb.build());
+ writeFlow(flowBuilder, nodeBuilder);
+ } else {
+ removeFlow(flowBuilder, nodeBuilder);
+ }
+ }
+
+
+ public void egressACLTcpSyn(Long dpidLong, String segmentationId, String attachedMac, boolean write,
+ Integer securityRulePortMin, Integer protoPortMatchPriority) {
+
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ PortNumber tcpPort = new PortNumber(securityRulePortMin);
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ FlowBuilder flowBuilder = new FlowBuilder();
+
+ flowBuilder.setMatch(MatchUtils.createSmacTcpSyn(matchBuilder, attachedMac, tcpPort,
+ Constants.TCP_SYN, segmentationId).build());
+
+ LOG.debug("MatchBuilder contains: {}", flowBuilder.getMatch());
+ String flowId = "Ucast_this.getTable()" + segmentationId + "_" + attachedMac + securityRulePortMin;
+ // Add Flow Attributes
+ flowBuilder.setId(new FlowId(flowId));
+ FlowKey key = new FlowKey(new FlowId(flowId));
+ flowBuilder.setStrict(false);
+ flowBuilder.setPriority(protoPortMatchPriority);
+ flowBuilder.setBarrier(true);
+ flowBuilder.setTableId(this.getTable());
+ flowBuilder.setKey(key);
+ flowBuilder.setFlowName(flowId);
+ flowBuilder.setHardTimeout(0);
+ flowBuilder.setIdleTimeout(0);
+
+ if (write) {
+ // Instantiate the Builders for the OF Actions and Instructions
+ InstructionsBuilder isb = new InstructionsBuilder();
+ List<Instruction> instructionsList = Lists.newArrayList();
+
+ InstructionBuilder ib = this.getMutablePipelineInstructionBuilder();
+ ib.setOrder(0);
+ ib.setKey(new InstructionKey(0));
+ instructionsList.add(ib.build());
+ isb.setInstruction(instructionsList);
+
+ LOG.debug("Instructions contain: {}", ib.getInstruction());
+ // Add InstructionsBuilder to FlowBuilder
+ flowBuilder.setInstructions(isb.build());
+ writeFlow(flowBuilder, nodeBuilder);
+ } else {
+ removeFlow(flowBuilder, nodeBuilder);
+ }
+ }
+
+ /**
+ * Adds flow to allow any DHCP client traffic.
+ *
+ * @param dpidLong the dpid
+ * @param write whether to write or delete the flow
+ * @param protoPortMatchPriority the priority
+ */
+ private void egressAclDhcpAllowClientTrafficFromVm(Long dpidLong,
+ boolean write, Integer protoPortMatchPriority) {
+
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ MatchBuilder matchBuilder = new MatchBuilder();
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+
+ MatchUtils.createDhcpMatch(matchBuilder, DHCP_DESTINATION_PORT, DHCP_SOURCE_PORT).build();
+ LOG.debug("egressAclDHCPAllowClientTrafficFromVm: MatchBuilder contains: {}", matchBuilder);
+ String flowId = "Egress_DHCP_Client" + "_Permit_";
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, false);
+ }
+
+ /**
+ * Adds rule to prevent DHCP spoofing by the vm attached to the port.
+ *
+ * @param dpidLong the dpid
+ * @param localPort the local port
+ * @param write is write or delete
+ * @param protoPortMatchPriority the priority
+ */
+ private void egressAclDhcpDropServerTrafficfromVm(Long dpidLong, long localPort,
+ boolean write, Integer protoPortMatchPriority) {
+
+ MatchBuilder matchBuilder = new MatchBuilder();
+ //FlowBuilder flowBuilder = new FlowBuilder();
+ MatchUtils.createInPortMatch(matchBuilder, dpidLong, localPort);
+ MatchUtils.createDhcpMatch(matchBuilder, DHCP_SOURCE_PORT, DHCP_DESTINATION_PORT).build();
+ LOG.debug("egressAclDHCPDropServerTrafficfromVM: MatchBuilder contains: {}", matchBuilder);
+ String flowId = "Egress_DHCP_Server" + "_" + localPort + "_DROP_";
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, true);
+
+ }
+
+ /**
+ * Adds rule to check legitimate ip/mac pair for each packet from the vm.
+ *
+ * @param dpidLong the dpid
+ * @param localPort the local port
+ * @param srcIp the vm ip address
+ * @param attachedMac the vm mac address
+ * @param protoPortMatchPriority the priority
+ * @param write is write or delete
+ */
+ private void egressAclAllowTrafficFromVmIpMacPair(Long dpidLong, long localPort,
+ String attachedMac, String srcIp,
+ Integer protoPortMatchPriority, boolean write) {
+ MatchBuilder matchBuilder = new MatchBuilder();
+ MatchUtils.createSrcL3Ipv4MatchWithMac(matchBuilder, new Ipv4Prefix(srcIp),new MacAddress(attachedMac));
+ MatchUtils.createInPortMatch(matchBuilder, dpidLong, localPort);
+ LOG.debug("egressAclAllowTrafficFromVmIpMacPair: MatchBuilder contains: {}", matchBuilder);
+ String flowId = "Egress_Allow_VM_IP_MAC" + "_" + localPort + attachedMac + "_Permit_";
+ String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpidLong;
+ NodeBuilder nodeBuilder = createNodeBuilder(nodeName);
+ syncFlow(flowId, nodeBuilder, matchBuilder, protoPortMatchPriority, write, false);
+
+ }
+
+ /**
+ * Add or remove flow to the node.
+ *
+ * @param flowId the the flow id
+ * @param nodeBuilder the node builder
+ * @param matchBuilder the matchbuilder
+ * @param protoPortMatchPriority the protocol priority
+ * @param write whether it is a write
+ * @param drop whether it is a drop or forward
+ */
+ private void syncFlow(String flowId, NodeBuilder nodeBuilder,
+ MatchBuilder matchBuilder,Integer protoPortMatchPriority,
+ boolean write,boolean drop) {
+ FlowBuilder flowBuilder = new FlowBuilder();
+ flowBuilder.setMatch(matchBuilder.build());
+ flowBuilder.setId(new FlowId(flowId));
+ FlowKey key = new FlowKey(new FlowId(flowId));
+ flowBuilder.setStrict(false);
+ flowBuilder.setPriority(protoPortMatchPriority);
+ flowBuilder.setBarrier(true);
+ flowBuilder.setTableId(this.getTable());
+ flowBuilder.setKey(key);
+ flowBuilder.setFlowName(flowId);
+ flowBuilder.setHardTimeout(0);
+ flowBuilder.setIdleTimeout(0);
+
+ if (write) {
+ // Instantiate the Builders for the OF Actions and Instructions
+
+ InstructionBuilder ib = this.getMutablePipelineInstructionBuilder();
+ if (drop) {
+ InstructionUtils.createDropInstructions(ib);
+ }
+ ib.setOrder(0);
+ ib.setKey(new InstructionKey(0));
+ InstructionsBuilder isb = new InstructionsBuilder();
+ List<Instruction> instructionsList = Lists.newArrayList();
+ instructionsList.add(ib.build());
+ isb.setInstruction(instructionsList);
+ flowBuilder.setInstructions(isb.build());
+ writeFlow(flowBuilder, nodeBuilder);
+ } else {
+ removeFlow(flowBuilder, nodeBuilder);
+ }
+
+ }
+
+
+
+ @Override
+ public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
+ super.setDependencies(bundleContext.getServiceReference(EgressAclProvider.class.getName()), this);
+ securityServicesManager =
+ (SecurityServicesManager) ServiceHelper.getGlobalInstance(SecurityServicesManager.class, this);
}
-}
\ No newline at end of file
+
+ @Override
+ public void setDependencies(Object impl) {}
+}
Code Review / ovsdb.git / blobdiff