170 lines
4.5 KiB
Java
170 lines
4.5 KiB
Java
/*
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* Copyright (c) 2005 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 se.rfc.unbound;
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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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{
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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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{
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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") // org.xbill.DNS.RRset isn't typesafe-aware.
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public SRRset(RRset r)
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{
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this();
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for (Iterator i = r.rrs(); i.hasNext();)
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{
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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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{
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addRR((Record) i.next());
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}
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}
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/**
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* Clone this SRRset, giving the copy a new TTL. The copy is independent
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* from the original except for the security status.
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*
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* @param withNewTTL The new TTL to apply to the RRset. This applies to
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* contained RRsig records as well.
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* @return The cloned SRRset.
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*/
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public SRRset cloneSRRset(long withNewTTL)
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{
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SRRset nr = new SRRset();
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for (Iterator i = rrs(); i.hasNext();)
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{
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nr.addRR(((Record) i.next()).withTTL(withNewTTL));
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}
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for (Iterator i = sigs(); i.hasNext();)
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{
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nr.addRR(((Record) i.next()).withTTL(withNewTTL));
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}
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nr.mSecurityStatus = mSecurityStatus;
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return nr;
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}
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public SRRset cloneSRRsetNoSigs()
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{
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SRRset nr = new SRRset();
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for (Iterator i = rrs(); i.hasNext();)
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{
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// NOTE: should this clone the records as well?
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nr.addRR((Record) i.next());
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}
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// Do not copy the SecurityStatus reference
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return nr;
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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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{
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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 int getSecurityStatus()
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{
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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(int status)
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{
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mSecurityStatus.setStatus(status);
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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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{
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return totalSize();
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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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{
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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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{
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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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public void setTTL(long ttl)
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{
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if (ttl < 0)
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{
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throw new IllegalArgumentException("ttl can't be less than zero, stupid! was " + ttl);
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}
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super.setTTL(ttl);
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}
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}
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