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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package com.sun.jmx.snmp.agent;

import java.io.Serializable;
import java.util.Enumeration;
import java.util.logging.Level;
import java.util.Vector;

import javax.management.ObjectName;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.InstanceAlreadyExistsException;
import javax.management.MBeanRegistrationException;
import javax.management.NotCompliantMBeanException;

import static com.sun.jmx.defaults.JmxProperties.SNMP_ADAPTOR_LOGGER;
import com.sun.jmx.snmp.SnmpOid;
import com.sun.jmx.snmp.SnmpVarBind;
import com.sun.jmx.snmp.SnmpDefinitions;
import com.sun.jmx.snmp.SnmpStatusException;
import com.sun.jmx.snmp.SnmpEngine;
import com.sun.jmx.snmp.SnmpUnknownModelException;
import com.sun.jmx.snmp.internal.SnmpAccessControlModel;
import com.sun.jmx.snmp.internal.SnmpEngineImpl;

Oid Checker makes use of ACM to check each OID during the getnext process.
/** * Oid Checker makes use of ACM to check each OID during the getnext process. */
class AcmChecker { SnmpAccessControlModel model = null; String principal = null; int securityLevel = -1; int version = -1; int pduType = -1; int securityModel = -1; byte[] contextName = null; SnmpEngineImpl engine = null; LongList l = null; AcmChecker(SnmpMibRequest req) { engine = (SnmpEngineImpl) req.getEngine(); //We are in V3 architecture, ACM is in the picture. if(engine != null) { if(engine.isCheckOidActivated()) { try { if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpMib.class.getName(), "AcmChecker(SnmpMibRequest)", "SNMP V3 Access Control to be done"); } model = (SnmpAccessControlModel) engine.getAccessControlSubSystem(). getModel(SnmpDefinitions.snmpVersionThree); principal = req.getPrincipal(); securityLevel = req.getSecurityLevel(); pduType = req.getPdu().type; version = req.getRequestPduVersion(); securityModel = req.getSecurityModel(); contextName = req.getAccessContextName(); l = new LongList(); if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { final StringBuilder strb = new StringBuilder() .append("Will check oid for : principal : ") .append(principal) .append("; securityLevel : ").append(securityLevel) .append("; pduType : ").append(pduType) .append("; version : ").append(version) .append("; securityModel : ").append(securityModel) .append("; contextName : ").append(contextName); SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpMib.class.getName(), "AcmChecker(SnmpMibRequest)", strb.toString()); } }catch(SnmpUnknownModelException e) { if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpMib.class.getName(), "AcmChecker(SnmpMibRequest)", "Unknown Model, no ACM check."); } } } } } void add(int index, long arc) { if(model != null) l.add(index, arc); } void remove(int index) { if(model != null) l.remove(index); } void add(final int at,final long[] src, final int from, final int count) { if(model != null) l.add(at,src,from,count); } void remove(final int from, final int count) { if(model != null) l.remove(from,count); } void checkCurrentOid() throws SnmpStatusException { if(model != null) { SnmpOid oid = new SnmpOid(l.toArray()); if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) { SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpMib.class.getName(), "checkCurrentOid", "Checking access for : " + oid); } model.checkAccess(version, principal, securityLevel, pduType, securityModel, contextName, oid); } } }