137 lines
4.1 KiB
Java
137 lines
4.1 KiB
Java
/*
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* Copyright (c) 2009 VeriSign. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer. 2. Redistributions in
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* binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution. 3. The name of the author may not
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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package com.versign.tat.dnssec;
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import java.util.*;
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import org.xbill.DNS.*;
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/**
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* A version of the RRset class overrides the standard security status.
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*/
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public class SRRset extends RRset {
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private SecurityStatus mSecurityStatus;
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/** Create a new, blank SRRset. */
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public SRRset() {
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super();
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mSecurityStatus = new SecurityStatus();
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}
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/**
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* Create a new SRRset from an existing RRset. This SRRset will contain that
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* same internal Record objects as the original RRset.
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*/
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@SuppressWarnings("unchecked")
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// org.xbill.DNS.RRset isn't typesafe-aware.
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public SRRset(RRset r) {
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this();
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for (Iterator i = r.rrs(); i.hasNext();) {
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addRR((Record) i.next());
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}
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for (Iterator i = r.sigs(); i.hasNext();) {
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addRR((Record) i.next());
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}
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}
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/**
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* Return the current security status (generally: UNCHECKED, BOGUS, or
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* SECURE).
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*/
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public int getSecurity() {
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return getSecurityStatus();
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}
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/**
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* Return the current security status (generally: UNCHECKED, BOGUS, or
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* SECURE).
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*/
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public byte getSecurityStatus() {
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return mSecurityStatus.getStatus();
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}
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/**
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* Set the current security status for this SRRset. This status will be
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* shared amongst all copies of this SRRset (created with cloneSRRset())
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*/
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public void setSecurityStatus(byte status) {
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mSecurityStatus.setStatus(status);
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}
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public Iterator<Record> rrs() {
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return (Iterator<Record>) rrs();
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}
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public Iterator<RRSIGRecord> sigs() {
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return (Iterator<RRSIGRecord>) sigs();
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}
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public int totalSize() {
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int num_sigs = 0;
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for (Iterator<RRSIGRecord> i = sigs(); i.hasNext();) {
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num_sigs++;
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}
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return size() + num_sigs;
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}
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/**
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* @return The total number of records (data + sigs) in the SRRset.
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*/
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public int getNumRecords() {
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return totalSize();
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}
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public RRSIGRecord firstSig() {
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for (Iterator<RRSIGRecord> i = sigs(); i.hasNext();) {
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return i.next();
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}
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return null;
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}
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/**
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* @return true if this RRset has RRSIG records that cover data records.
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* (i.e., RRSIG SRRsets return false)
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*/
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public boolean isSigned() {
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if (getType() == Type.RRSIG) return false;
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return firstSig() != null;
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}
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/**
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* @return The "signer" name for this SRRset, if signed, or null if not.
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*/
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public Name getSignerName() {
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RRSIGRecord sig = (RRSIGRecord) firstSig();
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if (sig == null) return null;
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return sig.getSigner();
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}
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}
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