@Override
public Target getTarget() {
UserTarget target = new UserTarget();
if (authPassphrase != null) {
if (privPassphrase != null) target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
else target.setSecurityLevel(SecurityLevel.AUTH_NOPRIV);
} else target.setSecurityLevel(SecurityLevel.NOAUTH_NOPRIV);
target.setSecurityName(securityName);
return target;
}
private Target createTarget(OctetString userInfo) {
if ((userInfo == null) || (userInfo.length() == 0)) {
return defaultTarget;
}
if (version == SnmpConstants.version3) {
if ((securityModel == SecurityModel.SECURITY_MODEL_USM) && (usm != null)) {
UsmUserEntry user = usm.getUser(null, userInfo);
UserTarget target = new UserTarget();
if (user != null) {
if (user.getAuthenticationKey() != null) {
if (user.getPrivacyKey() != null) {
target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
} else {
target.setSecurityLevel(SecurityLevel.AUTH_NOPRIV);
}
} else {
target.setSecurityLevel(SecurityLevel.NOAUTH_NOPRIV);
}
}
target.setVersion(version);
target.setSecurityName(userInfo);
target.setSecurityModel(securityModel);
target.setTimeout(timeout);
target.setRetries(retries);
return target;
} else if (securityModel == SecurityModel.SECURITY_MODEL_TSM) {
CertifiedTarget target = new CertifiedTarget(userInfo);
target.setVersion(version);
target.setSecurityModel(securityModel);
target.setTimeout(timeout);
target.setRetries(retries);
return target;
}
} else {
CommunityTarget target = new CommunityTarget();
target.setCommunity(userInfo);
target.setVersion(version);
target.setSecurityModel(securityModel);
target.setTimeout(timeout);
target.setRetries(retries);
return target;
}
return null;
}
/**
* 创建 UserTarget
*
* @param targetAddress
* @param version
* @param timeOut
* @param level
* @param securityName
* @return UserTarget
*/
public static UserTarget createUserTarget(
Address targetAddress, int version, long timeOut, int level, String securityName) {
UserTarget target = new UserTarget();
target.setAddress(targetAddress);
target.setRetries(1);
target.setTimeout(timeOut); // milliseconds
target.setVersion(version);
target.setSecurityLevel(level);
target.setSecurityName(new OctetString(securityName));
return target;
}
private PDU sendRequestV3(PDU pdu) throws IOException {
PDU response;
OctetString userId = new OctetString("opennmsUser");
OctetString pw = new OctetString("0p3nNMSv3");
UserTarget target = new UserTarget();
target.setSecurityLevel(SecurityLevel.AUTH_PRIV);
target.setSecurityName(userId);
target.setAddress(new UdpAddress(m_agent.getInetAddress(), m_agent.getPort()));
target.setVersion(SnmpConstants.version3);
if (m_timeout > 0) {
target.setTimeout(m_timeout);
} else {
target.setTimeout(5000);
}
TransportMapping<UdpAddress> transport = null;
try {
USM usm =
new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
SecurityModels.getInstance().addSecurityModel(usm);
transport = new DefaultUdpTransportMapping();
Snmp snmp = new Snmp(transport);
UsmUser user = new UsmUser(userId, AuthMD5.ID, pw, PrivDES.ID, pw);
snmp.getUSM().addUser(userId, user);
transport.listen();
ResponseEvent e = snmp.send(pdu, target);
response = e.getResponse();
} finally {
if (transport != null) {
transport.close();
}
}
return response;
}
public Result execute(Result previousResult, int nr) {
Result result = previousResult;
result.setNrErrors(1);
result.setResult(false);
String servername = environmentSubstitute(serverName);
int nrPort = Const.toInt(environmentSubstitute("" + port), DEFAULT_PORT);
String Oid = environmentSubstitute(oid);
int timeOut = Const.toInt(environmentSubstitute("" + timeout), DEFAULT_TIME_OUT);
int retry = Const.toInt(environmentSubstitute("" + nrretry), 1);
String messageString = environmentSubstitute(message);
Snmp snmp = null;
try {
TransportMapping transMap = new DefaultUdpTransportMapping();
snmp = new Snmp(transMap);
UdpAddress udpAddress = new UdpAddress(InetAddress.getByName(servername), nrPort);
ResponseEvent response = null;
if (targettype.equals(target_type_Code[0])) {
// Community target
String community = environmentSubstitute(comString);
CommunityTarget target = new CommunityTarget();
PDUv1 pdu1 = new PDUv1();
transMap.listen();
target.setCommunity(new OctetString(community));
target.setVersion(SnmpConstants.version1);
target.setAddress(udpAddress);
if (target.getAddress().isValid()) {
if (log.isDebug()) {
logDebug("Valid IP address");
}
} else {
throw new KettleException("Invalid IP address");
}
target.setRetries(retry);
target.setTimeout(timeOut);
// create the PDU
pdu1.setGenericTrap(6);
pdu1.setSpecificTrap(PDUv1.ENTERPRISE_SPECIFIC);
pdu1.setEnterprise(new OID(Oid));
pdu1.add(new VariableBinding(new OID(Oid), new OctetString(messageString)));
response = snmp.send(pdu1, target);
} else {
// User target
String userName = environmentSubstitute(user);
String passPhrase = environmentSubstitute(passphrase);
String engineID = environmentSubstitute(engineid);
UserTarget usertarget = new UserTarget();
transMap.listen();
usertarget.setAddress(udpAddress);
if (usertarget.getAddress().isValid()) {
if (log.isDebug()) {
logDebug("Valid IP address");
}
} else {
throw new KettleException("Invalid IP address");
}
usertarget.setRetries(retry);
usertarget.setTimeout(timeOut);
usertarget.setVersion(SnmpConstants.version3);
usertarget.setSecurityLevel(SecurityLevel.AUTH_PRIV);
usertarget.setSecurityName(new OctetString("MD5DES"));
// Since we are using SNMPv3 we use authenticated users
// this is handled by the UsmUser and USM class
UsmUser uu =
new UsmUser(
new OctetString(userName),
AuthMD5.ID,
new OctetString(passPhrase),
PrivDES.ID,
new OctetString(passPhrase));
USM usm = snmp.getUSM();
if (usm == null) {
throw new KettleException("Null Usm");
} else {
usm =
new USM(
SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
usm.addUser(new OctetString(userName), uu);
if (log.isDebug()) {
logDebug("Valid Usm");
}
}
// create the PDU
ScopedPDU pdu = new ScopedPDU();
pdu.add(new VariableBinding(new OID(Oid), new OctetString(messageString)));
pdu.setType(PDU.TRAP);
if (!Const.isEmpty(engineID)) {
pdu.setContextEngineID(new OctetString(engineID));
}
// send the PDU
response = snmp.send(pdu, usertarget);
}
if (response != null) {
if (log.isDebug()) {
logDebug("Received response from: " + response.getPeerAddress() + response.toString());
}
}
result.setNrErrors(0);
result.setResult(true);
} catch (Exception e) {
logError(BaseMessages.getString(PKG, "JobEntrySNMPTrap.ErrorGetting", e.getMessage()));
} finally {
try {
if (snmp != null) {
snmp.close();
}
} catch (Exception e) {
/* Ignore */
}
}
return result;
}
