View Javadoc
1   package org.metricshub.ipmi.core.sm.states;
2   
3   /*-
4    * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
5    * IPMI Java Client
6    * ჻჻჻჻჻჻
7    * Copyright 2023 Verax Systems, MetricsHub
8    * ჻჻჻჻჻჻
9    * This program is free software: you can redistribute it and/or modify
10   * it under the terms of the GNU Lesser General Public License as
11   * published by the Free Software Foundation, either version 3 of the
12   * License, or (at your option) any later version.
13   *
14   * This program is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   * GNU General Lesser Public License for more details.
18   *
19   * You should have received a copy of the GNU General Lesser Public
20   * License along with this program.  If not, see
21   * <http://www.gnu.org/licenses/lgpl-3.0.html>.
22   * ╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱
23   */
24  
25  import org.metricshub.ipmi.core.coding.Encoder;
26  import org.metricshub.ipmi.core.coding.commands.session.GetChannelAuthenticationCapabilities;
27  import org.metricshub.ipmi.core.coding.commands.session.OpenSession;
28  import org.metricshub.ipmi.core.coding.protocol.encoder.Protocolv20Encoder;
29  import org.metricshub.ipmi.core.coding.rmcp.RmcpMessage;
30  import org.metricshub.ipmi.core.sm.StateMachine;
31  import org.metricshub.ipmi.core.sm.actions.ErrorAction;
32  import org.metricshub.ipmi.core.sm.events.Authorize;
33  import org.metricshub.ipmi.core.sm.events.StateMachineEvent;
34  
35  /**
36   * {@link GetChannelAuthenticationCapabilities} response was received. At this
37   * point the Session Challenge is going to start. Transits to
38   * {@link OpenSessionWaiting} on {@link Authorize}.
39   */
40  public class Authcap extends State {
41  
42  	@Override
43  	public void doTransition(StateMachine stateMachine, StateMachineEvent machineEvent) {
44  		if (machineEvent instanceof Authorize) {
45  			Authorize event = (Authorize) machineEvent;
46  
47  			OpenSession openSession = new OpenSession(
48  					event.getSessionId(),
49  					event.getPrivilegeLevel(),
50  					event.getCipherSuite());
51  
52  			try {
53  				stateMachine.setCurrent(new OpenSessionWaiting(event.getSequenceNumber()));
54  				stateMachine
55  						.sendMessage(Encoder.encode(new Protocolv20Encoder(), openSession, event.getSequenceNumber(), 0, 0));
56  			} catch (Exception e) {
57  				stateMachine.setCurrent(this);
58  				stateMachine.doExternalAction(new ErrorAction(e));
59  			}
60  		} else {
61  			stateMachine.doExternalAction(
62  					new ErrorAction(
63  							new IllegalArgumentException("Invalid transition: " + machineEvent.getClass().getSimpleName())));
64  		}
65  
66  	}
67  
68  	@Override
69  	public void doAction(StateMachine stateMachine, RmcpMessage message) {
70  		// No action needed
71  	}
72  
73  }