Java PrivDES.ID属性代码示例

private OID convertPrivacyProtocol(String privacyProtocol) {
    if (privacyProtocol == null) {
        return null;
    }    
    if ("DES".equals(privacyProtocol)) {
        return PrivDES.ID;
    } else if ("TRIDES".equals(privacyProtocol)) {
        return Priv3DES.ID;
    } else if ("AES128".equals(privacyProtocol)) {
        return PrivAES128.ID;
    } else if ("AES192".equals(privacyProtocol)) {
        return PrivAES192.ID;
    } else if ("AES256".equals(privacyProtocol)) {
        return PrivAES256.ID;
    } else {
        throw new IllegalArgumentException("Unknown privacy protocol: " + privacyProtocol);
    }
}
 

private OID privType(SnmpV3Target v3Target) {
  switch (v3Target.getPrivType()) {
    case DES:
      return PrivDES.ID;
    case DES3:
      return Priv3DES.ID;
    case AES128:
      return PrivAES128.ID;
    case AES192:
      return PrivAES192.ID;
    case AES256:
      return PrivAES256.ID;
    default:
      throw new IllegalArgumentException("unrecognized privacy type");
  }
}
 

private Target getTargetV3() {
	//logger.info("Use SNMP v3, "+this.privacyprotocol +"="+this.password+", "+this.privacyprotocol+"="+this.privacypassphrase);
	OID authOID = AuthMD5.ID;
	if("SHA".equals(this.authprotocol))
		authOID = AuthSHA.ID;
	OID privOID = PrivDES.ID;
	if(this.privacyprotocol == null || this.privacyprotocol.isEmpty())
		privOID = null;
	UsmUser user = new UsmUser(new OctetString(this.username),  
			authOID, new OctetString(this.password),  //auth
			privOID, this.privacypassphrase!=null?new OctetString(this.privacypassphrase):null); //enc
	snmp.getUSM().addUser(new OctetString(this.username), user);  
	Address targetAddress = GenericAddress.parse(address);
	UserTarget target = new UserTarget();
	target.setAddress(targetAddress);
	target.setRetries(2);
	target.setTimeout(1500);
	target.setVersion(this.getVersionInt());
	if(privOID != null)
		target.setSecurityLevel(SecurityLevel.AUTH_PRIV);  
	else
		target.setSecurityLevel(SecurityLevel.AUTH_NOPRIV); 
	target.setSecurityName(new OctetString(this.username));
	return target;
}
 

private OID convertPrivProtocol(String privProtocol) {
    /*
     * Returning null here is okay because the SNMP4J library supports
     * this value as null when creating the SNMP session.
     */
    if (StringUtils.isBlank(privProtocol)) {
        return null;
    }
    
    if (privProtocol.equals("DES")) {
        return PrivDES.ID;
    } else if ((privProtocol.equals("AES128")) || (privProtocol.equals("AES"))) {
        return PrivAES128.ID;
    } else if (privProtocol.equals("AES192")) {
        return PrivAES192.ID;
    } else if (privProtocol.equals("AES256")) {
        return PrivAES256.ID;
    } else {
        throw new IllegalArgumentException("Privacy protocol " + privProtocol + " not supported");
    }

}
 

private OID convertPrivProtocol(String privProtocol) {
    /*
     * Returning null here is okay because the SNMP4J library supports
     * this value as null when creating the SNMP session.
     */
    if (privProtocol == null) {
        return null;
    }
    
    if (privProtocol.equals("DES")) {
        return PrivDES.ID;
    } else if ((privProtocol.equals("AES128")) || (privProtocol.equals("AES"))) {
        return PrivAES128.ID;
    } else if (privProtocol.equals("AES192")) {
        return PrivAES192.ID;
    } else if (privProtocol.equals("AES256")) {
        return PrivAES256.ID;
    } else {
        throw new IllegalArgumentException("Privacy protocol " + privProtocol + " not supported");
    }

}
 

private OID privProtocol() {
    PrivProtocol pp = PrivProtocol.valueOf(conf("privProtocol", PrivProtocol.NONE));
    switch (pp) {
    case DES: return PrivDES.ID;
    case AES128: return PrivAES128.ID;
    case AES192: return PrivAES192.ID;
    case AES256: return PrivAES256.ID;
    case _3DES: return Priv3DES.ID;
    default: return null;
    }
}
 

/**
 * Helper method that initializes the snmp target to listening mode. This
 * method is explicitly for V3 messages. This method will create and set up
 * the TransportMapping and target for SNMP V3. It creates a
 * TransportMapping and puts it in the listening mode. Also Creates
 * CommunityTarget object and sets SNMP target properties.
 *
 * @param targetIP
 *            IP address of Target machine
 * @param portNumber
 *            Port number
 * @param userName
 *            The security name of the user
 * @param authenticatePassword
 *            The authentication password
 * @param privacyPassword
 *            The privacy password
 * @return The created UserTarget
 * @throws IOException
 *             IOException
 */
private UserTarget setUpTarget( final String targetIP, final int portNumber, final String userName,
        final String authenticatePassword, final String privacyPassword ) throws IOException
{

    // Creates a TransportMapping and puts the transport mapping in to
    // listen mode
    final TransportMapping transportMapping = new DefaultUdpTransportMapping();
    snmp = new Snmp( transportMapping );
    transportMapping.listen();

    // Creating a USM with the support for the supplied security protocols
    final SecurityProtocols securityProtocols = SecurityProtocols.getInstance();
    securityProtocols.addDefaultProtocols();
    final OctetString engineId = new OctetString( MPv3.createLocalEngineID() );
    final USM usm = new USM( securityProtocols, engineId, DEFAULT_ENGINE_REBOOTS );
    SecurityModels.getInstance().addSecurityModel( usm );
    final OctetString username = new OctetString( userName );
    final OctetString authenticationPassphrase = new OctetString( authenticatePassword );
    final OctetString privacyPassphrase = new OctetString( privacyPassword );

    // Creating UsmUser and adds the UsmUser to the internal user name table
    // TODO Need to confirm, whether AuthMD5 and PrivDES needs to be changed
    final UsmUser usmuser = new UsmUser( username, AuthMD5.ID, authenticationPassphrase, PrivDES.ID,
            privacyPassphrase );
    snmp.getUSM().addUser( username, usmuser );

    // Create a target for a user based security model target and setting
    // its properties
    final UserTarget userTarget = new UserTarget();
    final InetAddress inetAddress = InetAddress.getByName( targetIP );
    final Address address = new UdpAddress( inetAddress, portNumber );
    userTarget.setAddress( address );
    // TODO Need to confirm, whether this value needs to be configures
    userTarget.setRetries( SnmpManager.DEFAULT_RETRIES );
    // TODO Need to confirm, whether this value needs to be configures
    userTarget.setTimeout( SnmpManager.DEFAULT_TIMEOUT );
    userTarget.setVersion( SnmpConstants.version3 );
    // TODO Need to confirm, whether this value needs to be configures
    userTarget.setSecurityLevel( SecurityLevel.AUTH_PRIV );
    userTarget.setSecurityName( username );

    return userTarget;
}
 

/**
 * Create a new SnmpClient for the passed NetworkDevice.
 * 
 * @param targetDevice
 *            NetworkDevice that will be used for SNMP message exchange.
 */
public SnmpClient(NetworkDevice targetDevice) {
	this.targetDevice = targetDevice;

	// Create a new logger with name jnetman.snmp.device_name
	logger = Logger.getLogger("snmp.snmpClient." + targetDevice.getName());

	// If activated SNMP4J will show a huge amount of low level debug info
	if (SnmpPref.isSnmp4jLogEnabled())
		LogFactory.setLogFactory(new Log4jLogFactory());

	try {
		DefaultUdpTransportMapping transport = new DefaultUdpTransportMapping();

		// Creates Snmp istance for that transport channel
		snmpInstance = new Snmp(transport);
		logger.debug("New SNMP Client crated");

		// Creates v3 SNMP USM
		USM usm = new USM(SecurityProtocols.getInstance(), new OctetString(
				MPv3.createLocalEngineID()), 0);
		SecurityModels.getInstance().addSecurityModel(usm);

		// Adds 'jnetman' usm using MD5 authentication and DES encryption
		UsmUser jnetmanUser = new UsmUser(
				new OctetString(SnmpPref.getUser()), AuthMD5.ID,
				new OctetString(SnmpPref.getPassword()), PrivDES.ID,
				new OctetString(SnmpPref.getPassword()));
		snmpInstance.getUSM().addUser(new OctetString(SnmpPref.getUser()),
				jnetmanUser);
		logger.debug("New USM User added >> " + jnetmanUser.getSecurityName());

		// Enables listening for incoming SNMP packet
		transport.listen();

	} catch (IOException e) {
		logger.fatal(
				"IOException while creating a new DefaultUdpTransportMapping()",
				e);
		System.exit(-1);
	}
}