Examples with USM org.snmp4j.security.USM used on opensource projects

Example 1 with USM

use of org.snmp4j.security.USM in project opennms by OpenNMS.

the class Snmp4JAgentConfig method createSnmpSession.

public Snmp createSnmpSession() throws IOException {
    final TransportMapping<?> transport = new DefaultUdpTransportMapping();
    final MessageDispatcher disp = new MessageDispatcherImpl();
    final Snmp session;
    // models we need for the specific agent
    if (!isSnmpV3()) {
        disp.addMessageProcessingModel(new MPv1());
        disp.addMessageProcessingModel(new MPv2c());
        session = new Snmp(disp, transport);
    } else {
        // Make a new USM
        final USM usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
        // Add the specified user to the USM
        usm.addUser(getSecurityName(), new UsmUser(getSecurityName(), getAuthProtocol(), getAuthPassPhrase(), getPrivProtocol(), getPrivPassPhrase()));
        disp.addMessageProcessingModel(new MPv3(usm));
        session = new Snmp(disp, transport);
    }
    return session;
}

Example 2 with USM

use of org.snmp4j.security.USM in project nifi by apache.

the class AbstractSNMPProcessor method buildTargetResource.

/**
 * Builds target resource.
 * @param context Process context
 */
private void buildTargetResource(ProcessContext context) {
    if ((this.transportMapping == null) || !this.transportMapping.isListening() || (this.snmp == null)) {
        try {
            this.transportMapping = new DefaultUdpTransportMapping();
            this.snmp = new Snmp(this.transportMapping);
            if ("SNMPv3".equals(context.getProperty(SNMP_VERSION).getValue())) {
                USM usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
                SecurityModels.getInstance().addSecurityModel(usm);
            }
            this.transportMapping.listen();
        } catch (Exception e) {
            throw new IllegalStateException("Failed to initialize UDP transport mapping", e);
        }
    }
    if (this.snmpTarget == null) {
        this.snmpTarget = this.createSnmpTarget(context);
    }
    if (this.targetResource == null) {
        this.targetResource = this.finishBuildingTargetResource(context);
    }
}

Example 3 with USM

use of org.snmp4j.security.USM in project opennms by OpenNMS.

the class MockSnmpAgent method initMessageDispatcher.

/**
 * <p>
 * Note that this method can hang if your system entropy is not high enough.
 * Here is a stack trace from a test running on JDK 1.8u40:</p>
 *
 * <pre>
 * Thread [MockSnmpAgent-1657048932] (Suspended)
 * owns: SecureRandom  (id=26)
 * owns: SecureRandom  (id=27)
 * owns: SecurityProtocols  (id=28)
 * FileInputStream.readBytes(byte[], int, int) line: not available [native method]
 * FileInputStream.read(byte[], int, int) line: 255
 * NativeSeedGenerator(SeedGenerator$URLSeedGenerator).getSeedBytes(byte[]) line: 539
 * SeedGenerator.generateSeed(byte[]) line: 144
 * SecureRandom$SeederHolder.<clinit>() line: 203 [local variables unavailable]
 * SecureRandom.engineNextBytes(byte[]) line: 221
 * SecureRandom.nextBytes(byte[]) line: 468
 * Salt.<init>() line: 54
 * Salt.getInstance() line: 79
 * PrivDES.<init>() line: 57
 * SecurityProtocols.addDefaultProtocols() line: 155
 * MockSnmpAgent.initMessageDispatcher() line: 306
 * MockSnmpAgent(BaseAgent).init() line: 145
 * MockSnmpAgent.run() line: 380
 * Thread.run() line: 745
 * </pre>
 */
@Override
protected void initMessageDispatcher() {
    s_log.info("MockSnmpAgent: starting initMessageDispatcher()");
    try {
        dispatcher = new MessageDispatcherImpl();
        usm = new USM(SecurityProtocols.getInstance(), agent.getContextEngineID(), updateEngineBoots());
        mpv3 = new MPv3(usm);
        SecurityProtocols.getInstance().addDefaultProtocols();
        dispatcher.addMessageProcessingModel(new MPv1());
        dispatcher.addMessageProcessingModel(new MPv2c());
        dispatcher.addMessageProcessingModel(mpv3);
        initSnmpSession();
    } finally {
        s_log.info("MockSnmpAgent: finished initMessageDispatcher()");
    }
}

Example 4 with USM

use of org.snmp4j.security.USM in project opennms by OpenNMS.

the class LLDPMibIT method setUp.

@Before
public void setUp() throws Exception {
    // Create a global USM that all client calls will use
    SNMP4JSettings.setEnterpriseID(5813);
    m_usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
    SecurityModels.getInstance().addSecurityModel(m_usm);
    try {
        m_agent = MockSnmpAgent.createAgentAndRun(classPathResource("penrose-lldp-mib.properties"), str(InetAddress.getLocalHost()) + "/0");
    } catch (Throwable e) {
        m_agent = MockSnmpAgent.createAgentAndRun(classPathResource("penrose-lldp-mib.properties"), str(InetAddressUtils.ONE_TWENTY_SEVEN) + "/0");
    }
    m_requestedVarbinds = new ArrayList<>();
}

Example 5 with USM

use of org.snmp4j.security.USM in project opennms by OpenNMS.

the class MockSnmpAgentIT method setUp.

@Before
public void setUp() throws Exception {
    // Create a global USM that all client calls will use
    SNMP4JSettings.setEnterpriseID(5813);
    m_usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
    SecurityModels.getInstance().addSecurityModel(m_usm);
    m_agent = MockSnmpAgent.createAgentAndRun(classPathResource("loadSnmpDataTest.properties"), "127.0.0.1/0");
    Thread.sleep(200);
    System.err.println("Started MockSnmpAgent on port " + m_agent.getPort());
    m_requestedVarbinds = new ArrayList<>();
}