| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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. |
| */ |
| 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); |
| } |
| } |
| |
| } |