Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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 | */ |
| 16 | package org.onosproject.openstacknetworking.cli; |
| 17 | |
| 18 | import org.apache.karaf.shell.commands.Argument; |
| 19 | import org.apache.karaf.shell.commands.Command; |
| 20 | import org.onlab.packet.Ethernet; |
| 21 | import org.onlab.packet.IPv4; |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 22 | import org.onlab.packet.IpAddress; |
| 23 | import org.onlab.packet.TpPort; |
| 24 | import org.onosproject.cli.AbstractShellCommand; |
| 25 | import org.onosproject.core.ApplicationId; |
| 26 | import org.onosproject.core.CoreService; |
| 27 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 28 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 29 | import org.onosproject.net.flow.TrafficSelector; |
| 30 | import org.onosproject.net.flow.TrafficTreatment; |
| 31 | import org.onosproject.openstacknetworking.api.InstancePort; |
| 32 | import org.onosproject.openstacknetworking.api.InstancePortService; |
| 33 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
| 34 | |
| 35 | import java.util.Optional; |
| 36 | |
| 37 | import static org.onosproject.openstacknetworking.api.Constants.DHCP_ARP_TABLE; |
| 38 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
| 39 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_FORCED_ACL_RULE; |
| 40 | |
| 41 | @Command(scope = "onos", name = "openstack-remove-acl", |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 42 | description = "Remove acl rules to VM") |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 43 | public class OpenstackRemoveAclCommand extends AbstractShellCommand { |
| 44 | @Argument(index = 0, name = "src ip", description = "src ip address", required = true) |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 45 | private String srcIpStr = null; |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 46 | |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 47 | @Argument(index = 1, name = "src ip", description = "src tcp port", required = true) |
| 48 | private int srcPort = 0; |
| 49 | |
| 50 | @Argument(index = 2, name = "dst ip", description = "dst ip address", required = true) |
| 51 | private String dstIpStr = null; |
| 52 | |
| 53 | @Argument(index = 3, name = "dst port", description = "dst tcp port", required = true) |
| 54 | private int dstPort = 0; |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 55 | |
| 56 | @Override |
| 57 | protected void execute() { |
| 58 | |
| 59 | OpenstackFlowRuleService flowRuleService = AbstractShellCommand.get(OpenstackFlowRuleService.class); |
| 60 | CoreService coreService = AbstractShellCommand.get(CoreService.class); |
| 61 | |
| 62 | ApplicationId appId = coreService.getAppId(OPENSTACK_NETWORKING_APP_ID); |
| 63 | |
| 64 | InstancePortService instancePortService = AbstractShellCommand.get(InstancePortService.class); |
| 65 | |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 66 | IpAddress srcIpAddress = null; |
| 67 | |
| 68 | IpAddress dstIpAddress = null; |
| 69 | |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 70 | try { |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 71 | srcIpAddress = IpAddress.valueOf(srcIpStr); |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 72 | |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 73 | dstIpAddress = IpAddress.valueOf(dstIpStr); |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 74 | } catch (IllegalArgumentException e) { |
| 75 | log.error("IllegalArgumentException occurred because of {}", e.toString()); |
Ray Milkey | f6911bd | 2018-07-10 08:50:10 -0700 | [diff] [blame] | 76 | return; |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 77 | } |
Daniel Park | cd91a07 | 2018-07-09 16:00:40 +0900 | [diff] [blame] | 78 | |
| 79 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 80 | .matchEthType(Ethernet.TYPE_IPV4) |
| 81 | .matchIPSrc(srcIpAddress.toIpPrefix()) |
| 82 | .matchIPDst(dstIpAddress.toIpPrefix()); |
| 83 | |
| 84 | TrafficTreatment treatment = DefaultTrafficTreatment.builder(). |
| 85 | drop().build(); |
| 86 | |
| 87 | if (srcPort != 0 || dstPort != 0) { |
| 88 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP); |
| 89 | if (srcPort != 0) { |
| 90 | sBuilder.matchTcpSrc(TpPort.tpPort(srcPort)); |
| 91 | } |
| 92 | |
| 93 | if (dstPort != 0) { |
| 94 | sBuilder.matchTcpDst(TpPort.tpPort(dstPort)); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | log.info("Deny the packet from srcIp: {}, dstPort: {} to dstIp: {}, dstPort: {}", |
| 99 | srcIpAddress.toString(), |
| 100 | srcPort, |
| 101 | dstIpAddress.toString(), |
| 102 | dstPort); |
| 103 | |
| 104 | Optional<InstancePort> instancePort = instancePortService.instancePorts().stream() |
| 105 | .filter(port -> port.ipAddress().toString().equals(dstIpStr)) |
| 106 | .findAny(); |
| 107 | |
| 108 | if (!instancePort.isPresent()) { |
| 109 | log.info("Instance port that matches with the given dst ip address isn't present {}"); |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | flowRuleService.setRule( |
| 114 | appId, |
| 115 | instancePort.get().deviceId(), |
| 116 | sBuilder.build(), |
| 117 | treatment, |
| 118 | PRIORITY_FORCED_ACL_RULE, |
| 119 | DHCP_ARP_TABLE, |
| 120 | false); |
Daniel Park | 0e1c7b5 | 2018-07-07 01:00:14 +0900 | [diff] [blame] | 121 | } |
| 122 | } |