somewhat gratutious reformatting by eclipse
This commit is contained in:
parent
85f7635d43
commit
ab60743341
@ -31,7 +31,6 @@ import java.io.IOException;
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import java.util.*;
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/**
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* This resolver module implements a "captive" DNSSEC validator. The captive
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* validator does not have direct access to the Internet and DNS system --
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@ -67,8 +66,7 @@ public class CaptiveValidator {
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* @throws IOException
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*/
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@SuppressWarnings("unchecked")
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public void addTrustedKeysFromFile(String filename)
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throws IOException {
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public void addTrustedKeysFromFile(String filename) throws IOException {
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// First read in the whole trust anchor file.
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Master master = new Master(filename, Name.root, 0);
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ArrayList<Record> records = new ArrayList<Record>();
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@ -100,9 +98,9 @@ public class CaptiveValidator {
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}
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// If this record matches our current RRset, we can just add it.
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if (cur_rrset.getName().equals(rec.getName()) &&
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(cur_rrset.getType() == rec.getType()) &&
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(cur_rrset.getDClass() == rec.getDClass())) {
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if (cur_rrset.getName().equals(rec.getName())
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&& (cur_rrset.getType() == rec.getType())
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&& (cur_rrset.getDClass() == rec.getDClass())) {
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cur_rrset.addRR(rec);
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continue;
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@ -121,7 +119,7 @@ public class CaptiveValidator {
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}
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public void addTrustedKeysFromResponse(Message m) {
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RRset [] rrsets = m.getSectionRRsets(Section.ANSWER);
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RRset[] rrsets = m.getSectionRRsets(Section.ANSWER);
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for (int i = 0; i < rrsets.length; ++i) {
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if (rrsets[i].getType() == Type.DNSKEY) {
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@ -145,8 +143,7 @@ public class CaptiveValidator {
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return m;
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}
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if ((m.getRcode() != Rcode.NOERROR) &&
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(m.getRcode() != Rcode.NXDOMAIN)) {
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if ((m.getRcode() != Rcode.NOERROR) && (m.getRcode() != Rcode.NXDOMAIN)) {
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return m;
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}
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@ -182,16 +179,16 @@ public class CaptiveValidator {
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Name cname_alias = sname.fromDNAME(dname);
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// Note that synthesized CNAMEs should have a TTL of zero.
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CNAMERecord cname = new CNAMERecord(sname,
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dname.getDClass(), 0, cname_alias);
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CNAMERecord cname = new CNAMERecord(sname, dname
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.getDClass(), 0, cname_alias);
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SRRset cname_rrset = new SRRset();
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cname_rrset.addRR(cname);
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i.add(cname_rrset);
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sname = cname_alias;
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} catch (NameTooLongException e) {
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log.debug("not adding synthesized CNAME -- " +
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"generated name is too long", e);
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log.debug("not adding synthesized CNAME -- "
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+ "generated name is too long", e);
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}
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continue;
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@ -246,8 +243,8 @@ public class CaptiveValidator {
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SRRset rrset = i.next();
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int type = rrset.getType();
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if (((type == Type.A) || (type == Type.AAAA)) &&
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!additional_names.contains(rrset.getName())) {
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if (((type == Type.A) || (type == Type.AAAA))
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&& !additional_names.contains(rrset.getName())) {
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i.remove();
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}
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}
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@ -310,8 +307,8 @@ public class CaptiveValidator {
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return false;
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}
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if (!mTrustedKeys.isBelowTrustAnchor(message.getQName(),
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message.getQClass())) {
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if (!mTrustedKeys.isBelowTrustAnchor(message.getQName(), message
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.getQClass())) {
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return false;
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}
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@ -342,7 +339,7 @@ public class CaptiveValidator {
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SMessage m = message;
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// validate the ANSWER section - this will be the answer itself
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SRRset [] rrsets = m.getSectionRRsets(Section.ANSWER);
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SRRset[] rrsets = m.getSectionRRsets(Section.ANSWER);
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Name wc = null;
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boolean wcNSEC_ok = false;
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@ -366,8 +363,8 @@ public class CaptiveValidator {
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// If the (answer) rrset failed to validate, then this message is
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// BAD.
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if (status != SecurityStatus.SECURE) {
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log.debug("Positive response has failed ANSWER rrset: " +
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rrsets[i]);
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log.debug("Positive response has failed ANSWER rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -395,8 +392,8 @@ public class CaptiveValidator {
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// a
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// bad message.
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if (status != SecurityStatus.SECURE) {
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log.debug("Positive response has failed AUTHORITY rrset: " +
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rrsets[i]);
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log.debug("Positive response has failed AUTHORITY rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -408,8 +405,8 @@ public class CaptiveValidator {
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if ((wc != null) && (rrsets[i].getType() == Type.NSEC)) {
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NSECRecord nsec = (NSECRecord) rrsets[i].first();
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if (ValUtils.nsecProvesNameError(nsec, qname,
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key_rrset.getName())) {
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if (ValUtils.nsecProvesNameError(nsec, qname, key_rrset
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.getName())) {
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Name nsec_wc = ValUtils.nsecWildcard(qname, nsec);
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if (!wc.equals(nsec_wc)) {
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@ -469,7 +466,7 @@ public class CaptiveValidator {
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}
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// validate the AUTHORITY section.
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SRRset [] rrsets = m.getSectionRRsets(Section.AUTHORITY);
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SRRset[] rrsets = m.getSectionRRsets(Section.AUTHORITY);
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boolean secure_delegation = false;
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Name delegation = null;
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@ -492,8 +489,8 @@ public class CaptiveValidator {
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// have
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// a bad message.
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if (status != SecurityStatus.SECURE) {
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log.debug("Positive response has failed AUTHORITY rrset: " +
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rrsets[i]);
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log.debug("Positive response has failed AUTHORITY rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -530,9 +527,8 @@ public class CaptiveValidator {
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break;
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default:
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log.warn(
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"Encountered unexpected type in a REFERRAL response: " +
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Type.string(type));
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log.warn("Encountered unexpected type in a REFERRAL response: "
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+ Type.string(type));
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break;
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}
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@ -579,7 +575,8 @@ public class CaptiveValidator {
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}
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if (nsec3s.size() > 0) {
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byte status = NSEC3ValUtils.proveNoDS(nsec3s, delegation, nsec3zone);
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byte status = NSEC3ValUtils
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.proveNoDS(nsec3s, delegation, nsec3zone);
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if (status != SecurityStatus.SECURE) {
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// the NSEC3 RRs MUST prove no DS, so the INDETERMINATE state is
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@ -598,7 +595,8 @@ public class CaptiveValidator {
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m.setStatus(SecurityStatus.BOGUS);
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}
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private void validateCNAMEResponse(SMessage message, SRRset key_rrset) {}
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private void validateCNAMEResponse(SMessage message, SRRset key_rrset) {
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}
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/**
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* Given an "ANY" response -- a response that contains an answer to a
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@ -634,7 +632,7 @@ public class CaptiveValidator {
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SMessage m = message;
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// validate the ANSWER section.
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SRRset [] rrsets = m.getSectionRRsets(Section.ANSWER);
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SRRset[] rrsets = m.getSectionRRsets(Section.ANSWER);
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for (int i = 0; i < rrsets.length; i++) {
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int status = mValUtils.verifySRRset(rrsets[i], key_rrset);
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@ -642,8 +640,8 @@ public class CaptiveValidator {
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// If the (answer) rrset failed to validate, then this message is
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// BAD.
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if (status != SecurityStatus.SECURE) {
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log.debug("Positive response has failed ANSWER rrset: " +
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rrsets[i]);
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log.debug("Positive response has failed ANSWER rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -661,8 +659,8 @@ public class CaptiveValidator {
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// a
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// bad message.
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if (status != SecurityStatus.SECURE) {
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log.debug("Positive response has failed AUTHORITY rrset: " +
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rrsets[i]);
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log.debug("Positive response has failed AUTHORITY rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -703,7 +701,7 @@ public class CaptiveValidator {
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// responses.)
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// validate the AUTHORITY section
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SRRset [] rrsets = m.getSectionRRsets(Section.AUTHORITY);
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SRRset[] rrsets = m.getSectionRRsets(Section.AUTHORITY);
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boolean hasValidNSEC = false; // If true, then the NODATA has been
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// proven.
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@ -724,8 +722,8 @@ public class CaptiveValidator {
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int status = mValUtils.verifySRRset(rrsets[i], key_rrset);
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if (status != SecurityStatus.SECURE) {
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log.debug("NODATA response has failed AUTHORITY rrset: " +
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rrsets[i]);
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log.debug("NODATA response has failed AUTHORITY rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -742,8 +740,8 @@ public class CaptiveValidator {
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if (nsec.getName().isWild()) {
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wc = nsec;
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}
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} else if (ValUtils.nsecProvesNameError(nsec, qname,
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rrsets[i].getSignerName())) {
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} else if (ValUtils.nsecProvesNameError(nsec, qname, rrsets[i]
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.getSignerName())) {
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ce = ValUtils.closestEncloser(qname, nsec);
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}
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}
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@ -785,8 +783,8 @@ public class CaptiveValidator {
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}
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if (!hasValidNSEC) {
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log.debug("NODATA response failed to prove NODATA " +
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"status with NSEC/NSEC3");
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log.debug("NODATA response failed to prove NODATA "
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+ "status with NSEC/NSEC3");
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log.trace("Failed NODATA:\n" + m);
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m.setStatus(SecurityStatus.BOGUS);
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@ -820,8 +818,8 @@ public class CaptiveValidator {
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SMessage m = message;
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if (message.getCount(Section.ANSWER) > 0) {
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log.warn(
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"NAME ERROR response contained records in the ANSWER SECTION");
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log
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.warn("NAME ERROR response contained records in the ANSWER SECTION");
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message.setStatus(SecurityStatus.INVALID);
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return;
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@ -832,7 +830,7 @@ public class CaptiveValidator {
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// In addition, the NSEC record(s) must prove the NXDOMAIN condition.
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boolean hasValidNSEC = false;
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boolean hasValidWCNSEC = false;
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SRRset [] rrsets = m.getSectionRRsets(Section.AUTHORITY);
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SRRset[] rrsets = m.getSectionRRsets(Section.AUTHORITY);
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List<NSEC3Record> nsec3s = null;
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Name nsec3Signer = null;
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@ -840,8 +838,8 @@ public class CaptiveValidator {
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int status = mValUtils.verifySRRset(rrsets[i], key_rrset);
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if (status != SecurityStatus.SECURE) {
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log.debug("NameError response has failed AUTHORITY rrset: " +
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rrsets[i]);
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log.debug("NameError response has failed AUTHORITY rrset: "
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+ rrsets[i]);
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -850,13 +848,13 @@ public class CaptiveValidator {
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if (rrsets[i].getType() == Type.NSEC) {
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NSECRecord nsec = (NSECRecord) rrsets[i].first();
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if (ValUtils.nsecProvesNameError(nsec, qname,
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rrsets[i].getSignerName())) {
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if (ValUtils.nsecProvesNameError(nsec, qname, rrsets[i]
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.getSignerName())) {
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hasValidNSEC = true;
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}
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if (ValUtils.nsecProvesNoWC(nsec, qname,
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rrsets[i].getSignerName())) {
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if (ValUtils.nsecProvesNoWC(nsec, qname, rrsets[i]
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.getSignerName())) {
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hasValidWCNSEC = true;
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}
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}
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@ -894,16 +892,16 @@ public class CaptiveValidator {
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// If the message fails to prove either condition, it is bogus.
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if (!hasValidNSEC) {
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log.debug("NameError response has failed to prove: " +
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"qname does not exist");
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log.debug("NameError response has failed to prove: "
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+ "qname does not exist");
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m.setStatus(SecurityStatus.BOGUS);
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return;
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}
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if (!hasValidWCNSEC) {
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log.debug("NameError response has failed to prove: " +
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"covering wildcard does not exist");
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log.debug("NameError response has failed to prove: "
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+ "covering wildcard does not exist");
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m.setStatus(SecurityStatus.BOGUS);
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return;
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@ -939,7 +937,8 @@ public class CaptiveValidator {
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return SecurityStatus.BOGUS;
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}
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ValUtils.ResponseType subtype = ValUtils.classifyResponse(message, zone);
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ValUtils.ResponseType subtype = ValUtils
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.classifyResponse(message, zone);
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switch (subtype) {
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case POSITIVE:
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@ -34,7 +34,6 @@ import java.security.*;
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import java.util.*;
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/**
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* A class for performing basic DNSSEC verification. The DNSJAVA package
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* contains a similar class. This is a re-implementation that allows us to have
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@ -56,20 +55,20 @@ public class DnsSecVerifier {
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mAlgorithmMap = new HashMap<Integer, AlgEntry>();
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// set the default algorithm map.
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mAlgorithmMap.put(new Integer(DNSSEC.RSAMD5),
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new AlgEntry("MD5withRSA", DNSSEC.RSAMD5, false));
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mAlgorithmMap.put(new Integer(DNSSEC.DSA),
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new AlgEntry("SHA1withDSA", DNSSEC.DSA, true));
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mAlgorithmMap.put(new Integer(DNSSEC.RSASHA1),
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new AlgEntry("SHA1withRSA", DNSSEC.RSASHA1, false));
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mAlgorithmMap.put(new Integer(DNSSEC.DSA_NSEC3_SHA1),
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new AlgEntry("SHA1withDSA", DNSSEC.DSA, true));
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mAlgorithmMap.put(new Integer(DNSSEC.RSA_NSEC3_SHA1),
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new AlgEntry("SHA1withRSA", DNSSEC.RSASHA1, false));
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mAlgorithmMap.put(new Integer(DNSSEC.RSASHA256),
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new AlgEntry("SHA256withRSA", DNSSEC.RSASHA256, false));
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mAlgorithmMap.put(new Integer(DNSSEC.RSASHA512),
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new AlgEntry("SHA512withRSA", DNSSEC.RSASHA512, false));
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mAlgorithmMap.put(new Integer(DNSSEC.RSAMD5), new AlgEntry(
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"MD5withRSA", DNSSEC.RSAMD5, false));
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mAlgorithmMap.put(new Integer(DNSSEC.DSA), new AlgEntry("SHA1withDSA",
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DNSSEC.DSA, true));
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mAlgorithmMap.put(new Integer(DNSSEC.RSASHA1), new AlgEntry(
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"SHA1withRSA", DNSSEC.RSASHA1, false));
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mAlgorithmMap.put(new Integer(DNSSEC.DSA_NSEC3_SHA1), new AlgEntry(
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"SHA1withDSA", DNSSEC.DSA, true));
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mAlgorithmMap.put(new Integer(DNSSEC.RSA_NSEC3_SHA1), new AlgEntry(
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"SHA1withRSA", DNSSEC.RSASHA1, false));
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mAlgorithmMap.put(new Integer(DNSSEC.RSASHA256), new AlgEntry(
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"SHA256withRSA", DNSSEC.RSASHA256, false));
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mAlgorithmMap.put(new Integer(DNSSEC.RSASHA512), new AlgEntry(
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"SHA512withRSA", DNSSEC.RSASHA512, false));
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}
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private boolean isDSA(int algorithm) {
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@ -112,15 +111,15 @@ public class DnsSecVerifier {
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Integer alg_orig = new Integer(Util.parseInt(entry.value, -1));
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if (!mAlgorithmMap.containsKey(alg_orig)) {
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log.warn("Unable to alias " + alg_alias +
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" to unknown algorithm " + alg_orig);
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log.warn("Unable to alias " + alg_alias
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+ " to unknown algorithm " + alg_orig);
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continue;
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}
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if (mAlgorithmMap.containsKey(alg_alias)) {
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log.warn("Algorithm alias " + alg_alias +
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" is already defined and cannot be redefined");
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log.warn("Algorithm alias " + alg_alias
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+ " is already defined and cannot be redefined");
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continue;
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}
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@ -135,8 +134,8 @@ public class DnsSecVerifier {
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if (entry == null) {
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log.warn("DNSSEC alg " + alg + " has a null entry!");
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} else {
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log.debug("DNSSEC alg " + alg + " maps to " + entry.jcaName +
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" (" + entry.dnssecAlg + ")");
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log.debug("DNSSEC alg " + alg + " maps to " + entry.jcaName
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+ " (" + entry.dnssecAlg + ")");
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}
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}
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}
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@ -156,9 +155,10 @@ public class DnsSecVerifier {
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@SuppressWarnings("unchecked")
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private List<DNSKEYRecord> findKey(RRset dnskey_rrset, RRSIGRecord signature) {
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if (!signature.getSigner().equals(dnskey_rrset.getName())) {
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log.trace("findKey: could not find appropriate key because " +
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"incorrect keyset was supplied. Wanted: " +
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signature.getSigner() + ", got: " + dnskey_rrset.getName());
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log.trace("findKey: could not find appropriate key because "
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+ "incorrect keyset was supplied. Wanted: "
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+ signature.getSigner() + ", got: "
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+ dnskey_rrset.getName());
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return null;
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}
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@ -166,7 +166,8 @@ public class DnsSecVerifier {
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int keyid = signature.getFootprint();
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int alg = signature.getAlgorithm();
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|
||||
List<DNSKEYRecord> res = new ArrayList<DNSKEYRecord>(dnskey_rrset.size());
|
||||
List<DNSKEYRecord> res = new ArrayList<DNSKEYRecord>(dnskey_rrset
|
||||
.size());
|
||||
|
||||
for (Iterator i = dnskey_rrset.rrs(); i.hasNext();) {
|
||||
DNSKEYRecord r = (DNSKEYRecord) i.next();
|
||||
@ -177,8 +178,8 @@ public class DnsSecVerifier {
|
||||
}
|
||||
|
||||
if (res.size() == 0) {
|
||||
log.trace("findKey: could not find a key matching " +
|
||||
"the algorithm and footprint in supplied keyset. ");
|
||||
log.trace("findKey: could not find a key matching "
|
||||
+ "the algorithm and footprint in supplied keyset. ");
|
||||
|
||||
return null;
|
||||
}
|
||||
@ -225,8 +226,8 @@ public class DnsSecVerifier {
|
||||
}
|
||||
|
||||
if (now.after(expire)) {
|
||||
log.debug("Signature has expired (now = " + now +
|
||||
", sig expires = " + expire);
|
||||
log.debug("Signature has expired (now = " + now
|
||||
+ ", sig expires = " + expire);
|
||||
|
||||
return SecurityStatus.BOGUS;
|
||||
}
|
||||
@ -235,8 +236,8 @@ public class DnsSecVerifier {
|
||||
}
|
||||
|
||||
public PublicKey parseDNSKEY(DNSKEYRecord key) {
|
||||
AlgEntry ae = (AlgEntry) mAlgorithmMap.get(new Integer(
|
||||
key.getAlgorithm()));
|
||||
AlgEntry ae = (AlgEntry) mAlgorithmMap.get(new Integer(key
|
||||
.getAlgorithm()));
|
||||
|
||||
if (key.getAlgorithm() != ae.dnssecAlg) {
|
||||
// Recast the DNSKEYRecord in question as one using the offical
|
||||
@ -270,14 +271,14 @@ public class DnsSecVerifier {
|
||||
PublicKey pk = parseDNSKEY(key);
|
||||
|
||||
if (pk == null) {
|
||||
log.warn(
|
||||
"Could not convert DNSKEY record to a JCA public key: " +
|
||||
key);
|
||||
log
|
||||
.warn("Could not convert DNSKEY record to a JCA public key: "
|
||||
+ key);
|
||||
|
||||
return SecurityStatus.UNCHECKED;
|
||||
}
|
||||
|
||||
byte [] data = SignUtils.generateSigData(rrset, sigrec);
|
||||
byte[] data = SignUtils.generateSigData(rrset, sigrec);
|
||||
|
||||
Signature signer = getSignature(sigrec.getAlgorithm());
|
||||
|
||||
@ -288,7 +289,7 @@ public class DnsSecVerifier {
|
||||
signer.initVerify(pk);
|
||||
signer.update(data);
|
||||
|
||||
byte [] sig = sigrec.getSignature();
|
||||
byte[] sig = sigrec.getSignature();
|
||||
|
||||
if (isDSA(sigrec.getAlgorithm())) {
|
||||
sig = SignUtils.convertDSASignature(sig);
|
||||
@ -463,7 +464,8 @@ public class DnsSecVerifier {
|
||||
Signature s = null;
|
||||
|
||||
try {
|
||||
AlgEntry entry = (AlgEntry) mAlgorithmMap.get(new Integer(algorithm));
|
||||
AlgEntry entry = (AlgEntry) mAlgorithmMap
|
||||
.get(new Integer(algorithm));
|
||||
|
||||
if (entry == null) {
|
||||
log.info("DNSSEC algorithm " + algorithm + " not recognized.");
|
||||
|
@ -34,7 +34,6 @@ import java.security.NoSuchAlgorithmException;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
|
||||
public class NSEC3ValUtils {
|
||||
// FIXME: should probably refactor to handle different NSEC3 parameters more
|
||||
// efficiently.
|
||||
@ -88,8 +87,8 @@ public class NSEC3ValUtils {
|
||||
return null;
|
||||
}
|
||||
|
||||
NSEC3Parameters params = new NSEC3Parameters((NSEC3Record) nsec3s.get(
|
||||
0));
|
||||
NSEC3Parameters params = new NSEC3Parameters((NSEC3Record) nsec3s
|
||||
.get(0));
|
||||
ByteArrayComparator bac = new ByteArrayComparator();
|
||||
|
||||
for (NSEC3Record nsec3 : nsec3s) {
|
||||
@ -110,7 +109,7 @@ public class NSEC3ValUtils {
|
||||
* The zone to use in constructing the NSEC3 name.
|
||||
* @return The NSEC3 name.
|
||||
*/
|
||||
private static Name hashName(byte [] hash, Name zonename) {
|
||||
private static Name hashName(byte[] hash, Name zonename) {
|
||||
try {
|
||||
return new Name(b32.toString(hash).toLowerCase(), zonename);
|
||||
} catch (TextParseException e) {
|
||||
@ -128,7 +127,7 @@ public class NSEC3ValUtils {
|
||||
* The parameters to hash with.
|
||||
* @return The hash.
|
||||
*/
|
||||
private static byte [] hash(Name name, NSEC3Parameters params) {
|
||||
private static byte[] hash(Name name, NSEC3Parameters params) {
|
||||
try {
|
||||
return params.hash(name);
|
||||
} catch (NoSuchAlgorithmException e) {
|
||||
@ -142,7 +141,8 @@ public class NSEC3ValUtils {
|
||||
try {
|
||||
return nsec3.hashName(name);
|
||||
} catch (NoSuchAlgorithmException e) {
|
||||
st_log.warn("Did not recognize hash algorithm: " + nsec3.getHashAlgorithm());
|
||||
st_log.warn("Did not recognize hash algorithm: "
|
||||
+ nsec3.getHashAlgorithm());
|
||||
|
||||
return null;
|
||||
}
|
||||
@ -199,7 +199,7 @@ public class NSEC3ValUtils {
|
||||
*
|
||||
* @return The matching NSEC3Record, if one is present.
|
||||
*/
|
||||
private static NSEC3Record findMatchingNSEC3(byte [] hash, Name zonename,
|
||||
private static NSEC3Record findMatchingNSEC3(byte[] hash, Name zonename,
|
||||
List<NSEC3Record> nsec3s, NSEC3Parameters params,
|
||||
ByteArrayComparator bac) {
|
||||
Name n = hashName(hash, zonename);
|
||||
@ -231,10 +231,10 @@ public class NSEC3ValUtils {
|
||||
* An already allocated comparator. This may be null.
|
||||
* @return True if the NSEC3Record covers the hash.
|
||||
*/
|
||||
private static boolean nsec3Covers(NSEC3Record nsec3, byte [] hash,
|
||||
private static boolean nsec3Covers(NSEC3Record nsec3, byte[] hash,
|
||||
ByteArrayComparator bac) {
|
||||
byte [] owner = hash(nsec3.getName(), nsec3);
|
||||
byte [] next = nsec3.getNext();
|
||||
byte[] owner = hash(nsec3.getName(), nsec3);
|
||||
byte[] next = nsec3.getNext();
|
||||
|
||||
// This is the "normal case: owner < next and owner < hash < next
|
||||
if ((bac.compare(owner, hash) < 0) && (bac.compare(hash, next) < 0)) {
|
||||
@ -243,9 +243,8 @@ public class NSEC3ValUtils {
|
||||
|
||||
// this is the end of zone case: next < owner && hash > owner || hash <
|
||||
// next
|
||||
if ((bac.compare(next, owner) <= 0) &&
|
||||
((bac.compare(hash, next) < 0) ||
|
||||
(bac.compare(owner, hash) < 0))) {
|
||||
if ((bac.compare(next, owner) <= 0)
|
||||
&& ((bac.compare(hash, next) < 0) || (bac.compare(owner, hash) < 0))) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -269,7 +268,7 @@ public class NSEC3ValUtils {
|
||||
*
|
||||
* @return A covering NSEC3 if one is present, null otherwise.
|
||||
*/
|
||||
private static NSEC3Record findCoveringNSEC3(byte [] hash, Name zonename,
|
||||
private static NSEC3Record findCoveringNSEC3(byte[] hash, Name zonename,
|
||||
List<NSEC3Record> nsec3s, NSEC3Parameters params,
|
||||
ByteArrayComparator bac) {
|
||||
ByteArrayComparator comparator = new ByteArrayComparator();
|
||||
@ -318,8 +317,8 @@ public class NSEC3ValUtils {
|
||||
// FIXME: modify so that the NSEC3 matching the zone apex need not be
|
||||
// present.
|
||||
while (n.labels() >= zonename.labels()) {
|
||||
nsec3 = findMatchingNSEC3(hash(n, params), zonename,
|
||||
nsec3s, params, bac);
|
||||
nsec3 = findMatchingNSEC3(hash(n, params), zonename, nsec3s,
|
||||
params, bac);
|
||||
|
||||
if (nsec3 != null) {
|
||||
return new CEResponse(n, nsec3);
|
||||
@ -358,15 +357,16 @@ public class NSEC3ValUtils {
|
||||
params, bac);
|
||||
|
||||
if (candidate == null) {
|
||||
st_log.debug("proveClosestEncloser: could not find a " +
|
||||
"candidate for the closest encloser.");
|
||||
st_log.debug("proveClosestEncloser: could not find a "
|
||||
+ "candidate for the closest encloser.");
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
if (candidate.closestEncloser.equals(qname)) {
|
||||
if (proveDoesNotExist) {
|
||||
st_log.debug("proveClosestEncloser: proved that qname existed!");
|
||||
st_log
|
||||
.debug("proveClosestEncloser: proved that qname existed!");
|
||||
|
||||
return null;
|
||||
}
|
||||
@ -380,10 +380,10 @@ public class NSEC3ValUtils {
|
||||
// should have been a referral. If it is a DNAME, then it should have
|
||||
// been
|
||||
// a DNAME response.
|
||||
if (candidate.ce_nsec3.hasType(Type.NS) &&
|
||||
!candidate.ce_nsec3.hasType(Type.SOA)) {
|
||||
st_log.debug("proveClosestEncloser: closest encloser " +
|
||||
"was a delegation!");
|
||||
if (candidate.ce_nsec3.hasType(Type.NS)
|
||||
&& !candidate.ce_nsec3.hasType(Type.SOA)) {
|
||||
st_log.debug("proveClosestEncloser: closest encloser "
|
||||
+ "was a delegation!");
|
||||
|
||||
return null;
|
||||
}
|
||||
@ -397,13 +397,13 @@ public class NSEC3ValUtils {
|
||||
// Otherwise, we need to show that the next closer name is covered.
|
||||
Name nextClosest = nextClosest(qname, candidate.closestEncloser);
|
||||
|
||||
byte [] nc_hash = hash(nextClosest, params);
|
||||
byte[] nc_hash = hash(nextClosest, params);
|
||||
candidate.nc_nsec3 = findCoveringNSEC3(nc_hash, zonename, nsec3s,
|
||||
params, bac);
|
||||
|
||||
if (candidate.nc_nsec3 == null) {
|
||||
st_log.debug("Could not find proof that the " +
|
||||
"closest encloser was the closest encloser");
|
||||
st_log.debug("Could not find proof that the "
|
||||
+ "closest encloser was the closest encloser");
|
||||
|
||||
return null;
|
||||
}
|
||||
@ -464,8 +464,7 @@ public class NSEC3ValUtils {
|
||||
DNSKEYRecord dnskey = (DNSKEYRecord) i.next();
|
||||
int baseAlg = verifier.baseAlgorithm(dnskey.getAlgorithm());
|
||||
int iters = maxIterations(baseAlg, 0);
|
||||
max_iterations = (max_iterations < iters) ? iters
|
||||
: max_iterations;
|
||||
max_iterations = (max_iterations < iters) ? iters : max_iterations;
|
||||
}
|
||||
|
||||
if (nsec3params.iterations > max_iterations) {
|
||||
@ -528,8 +527,8 @@ public class NSEC3ValUtils {
|
||||
NSEC3Parameters nsec3params = nsec3Parameters(nsec3s);
|
||||
|
||||
if (nsec3params == null) {
|
||||
st_log.debug("Could not find a single set of " +
|
||||
"NSEC3 parameters (multiple parameters present).");
|
||||
st_log.debug("Could not find a single set of "
|
||||
+ "NSEC3 parameters (multiple parameters present).");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -551,13 +550,13 @@ public class NSEC3ValUtils {
|
||||
// prove
|
||||
// that the wildcard does not exist.
|
||||
Name wc = ceWildcard(ce.closestEncloser);
|
||||
byte [] wc_hash = hash(wc, nsec3params);
|
||||
byte[] wc_hash = hash(wc, nsec3params);
|
||||
NSEC3Record nsec3 = findCoveringNSEC3(wc_hash, zonename, nsec3s,
|
||||
nsec3params, bac);
|
||||
|
||||
if (nsec3 == null) {
|
||||
st_log.debug("proveNameError: could not prove that the " +
|
||||
"applicable wildcard did not exist.");
|
||||
st_log.debug("proveNameError: could not prove that the "
|
||||
+ "applicable wildcard did not exist.");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -604,8 +603,8 @@ public class NSEC3ValUtils {
|
||||
NSEC3Parameters nsec3params = nsec3Parameters(nsec3s);
|
||||
|
||||
if (nsec3params == null) {
|
||||
st_log.debug("could not find a single set of " +
|
||||
"NSEC3 parameters (multiple parameters present)");
|
||||
st_log.debug("could not find a single set of "
|
||||
+ "NSEC3 parameters (multiple parameters present)");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -618,15 +617,15 @@ public class NSEC3ValUtils {
|
||||
// Cases 1 & 2.
|
||||
if (nsec3 != null) {
|
||||
if (nsec3.hasType(qtype)) {
|
||||
st_log.debug(
|
||||
"proveNodata: Matching NSEC3 proved that type existed!");
|
||||
st_log
|
||||
.debug("proveNodata: Matching NSEC3 proved that type existed!");
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
if (nsec3.hasType(Type.CNAME)) {
|
||||
st_log.debug("proveNodata: Matching NSEC3 proved " +
|
||||
"that a CNAME existed!");
|
||||
st_log.debug("proveNodata: Matching NSEC3 proved "
|
||||
+ "that a CNAME existed!");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -643,8 +642,8 @@ public class NSEC3ValUtils {
|
||||
// At this point, not finding a match or a proven closest encloser is a
|
||||
// problem.
|
||||
if (ce == null) {
|
||||
st_log.debug("proveNodata: did not match qname, " +
|
||||
"nor found a proven closest encloser.");
|
||||
st_log.debug("proveNodata: did not match qname, "
|
||||
+ "nor found a proven closest encloser.");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -668,16 +667,17 @@ public class NSEC3ValUtils {
|
||||
|
||||
// Case 5.
|
||||
if (qtype != Type.DS) {
|
||||
st_log.debug("proveNodata: could not find matching NSEC3, " +
|
||||
"nor matching wildcard, and qtype is not DS -- no more options.");
|
||||
st_log
|
||||
.debug("proveNodata: could not find matching NSEC3, "
|
||||
+ "nor matching wildcard, and qtype is not DS -- no more options.");
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
// We need to make sure that the covering NSEC3 is opt-in.
|
||||
if (!isOptOut(ce.nc_nsec3)) {
|
||||
st_log.debug("proveNodata: covering NSEC3 was not " +
|
||||
"opt-in in an opt-in DS NOERROR/NODATA case.");
|
||||
st_log.debug("proveNodata: covering NSEC3 was not "
|
||||
+ "opt-in in an opt-in DS NOERROR/NODATA case.");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -712,8 +712,8 @@ public class NSEC3ValUtils {
|
||||
NSEC3Parameters nsec3params = nsec3Parameters(nsec3s);
|
||||
|
||||
if (nsec3params == null) {
|
||||
st_log.debug(
|
||||
"couldn't find a single set of NSEC3 parameters (multiple parameters present).");
|
||||
st_log
|
||||
.debug("couldn't find a single set of NSEC3 parameters (multiple parameters present).");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -732,10 +732,10 @@ public class NSEC3ValUtils {
|
||||
zonename, nsec3s, nsec3params, bac);
|
||||
|
||||
if (candidate.nc_nsec3 == null) {
|
||||
st_log.debug("proveWildcard: did not find a covering NSEC3 " +
|
||||
"that covered the next closer name to " + qname + " from " +
|
||||
candidate.closestEncloser + " (derived from wildcard " +
|
||||
wildcard + ")");
|
||||
st_log.debug("proveWildcard: did not find a covering NSEC3 "
|
||||
+ "that covered the next closer name to " + qname
|
||||
+ " from " + candidate.closestEncloser
|
||||
+ " (derived from wildcard " + wildcard + ")");
|
||||
|
||||
return false;
|
||||
}
|
||||
@ -771,8 +771,8 @@ public class NSEC3ValUtils {
|
||||
NSEC3Parameters nsec3params = nsec3Parameters(nsec3s);
|
||||
|
||||
if (nsec3params == null) {
|
||||
st_log.debug("couldn't find a single set of " +
|
||||
"NSEC3 parameters (multiple parameters present).");
|
||||
st_log.debug("couldn't find a single set of "
|
||||
+ "NSEC3 parameters (multiple parameters present).");
|
||||
|
||||
return SecurityStatus.BOGUS;
|
||||
}
|
||||
@ -825,7 +825,7 @@ public class NSEC3ValUtils {
|
||||
*/
|
||||
private static class NSEC3Parameters {
|
||||
public int alg;
|
||||
public byte [] salt;
|
||||
public byte[] salt;
|
||||
public int iterations;
|
||||
private NSEC3PARAMRecord nsec3paramrec;
|
||||
|
||||
@ -834,8 +834,8 @@ public class NSEC3ValUtils {
|
||||
salt = r.getSalt();
|
||||
iterations = r.getIterations();
|
||||
|
||||
nsec3paramrec = new NSEC3PARAMRecord(Name.root, DClass.IN, 0,
|
||||
alg, 0, iterations, salt);
|
||||
nsec3paramrec = new NSEC3PARAMRecord(Name.root, DClass.IN, 0, alg,
|
||||
0, iterations, salt);
|
||||
}
|
||||
|
||||
public boolean match(NSEC3Record r, ByteArrayComparator bac) {
|
||||
|
@ -27,21 +27,20 @@ import org.xbill.DNS.*;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
|
||||
/**
|
||||
* This class represents a DNS message with resolver/validator state.
|
||||
*/
|
||||
public class SMessage {
|
||||
private static SRRset [] empty_srrset_array = new SRRset[0];
|
||||
private static SRRset[] empty_srrset_array = new SRRset[0];
|
||||
private Header mHeader;
|
||||
private Record mQuestion;
|
||||
private OPTRecord mOPTRecord;
|
||||
private List<SRRset> [] mSection;
|
||||
private List<SRRset>[] mSection;
|
||||
private SecurityStatus mSecurityStatus;
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
public SMessage(Header h) {
|
||||
mSection = (List<SRRset> []) new List[3];
|
||||
mSection = (List<SRRset>[]) new List[3];
|
||||
mHeader = h;
|
||||
mSecurityStatus = new SecurityStatus();
|
||||
}
|
||||
@ -60,7 +59,7 @@ public class SMessage {
|
||||
mOPTRecord = m.getOPT();
|
||||
|
||||
for (int i = Section.ANSWER; i <= Section.ADDITIONAL; i++) {
|
||||
RRset [] rrsets = m.getSectionRRsets(i);
|
||||
RRset[] rrsets = m.getSectionRRsets(i);
|
||||
|
||||
for (int j = 0; j < rrsets.length; j++) {
|
||||
addRRset(rrsets[j], i);
|
||||
@ -151,13 +150,13 @@ public class SMessage {
|
||||
sectionList.addAll(0, rrsets);
|
||||
}
|
||||
|
||||
public SRRset [] getSectionRRsets(int section) {
|
||||
public SRRset[] getSectionRRsets(int section) {
|
||||
List<SRRset> slist = getSectionList(section);
|
||||
|
||||
return (SRRset []) slist.toArray(empty_srrset_array);
|
||||
return (SRRset[]) slist.toArray(empty_srrset_array);
|
||||
}
|
||||
|
||||
public SRRset [] getSectionRRsets(int section, int qtype) {
|
||||
public SRRset[] getSectionRRsets(int section, int qtype) {
|
||||
List<SRRset> slist = getSectionList(section);
|
||||
|
||||
if (slist.size() == 0) {
|
||||
@ -172,7 +171,7 @@ public class SMessage {
|
||||
}
|
||||
}
|
||||
|
||||
return (SRRset []) result.toArray(empty_srrset_array);
|
||||
return (SRRset[]) result.toArray(empty_srrset_array);
|
||||
}
|
||||
|
||||
public void deleteRRset(SRRset rrset, int section) {
|
||||
@ -331,12 +330,12 @@ public class SMessage {
|
||||
throw new IllegalArgumentException("Invalid section.");
|
||||
}
|
||||
|
||||
SRRset [] rrsets = getSectionRRsets(section);
|
||||
SRRset[] rrsets = getSectionRRsets(section);
|
||||
|
||||
for (int i = 0; i < rrsets.length; i++) {
|
||||
if (rrsets[i].getName().equals(name) &&
|
||||
(rrsets[i].getType() == type) &&
|
||||
(rrsets[i].getDClass() == dclass)) {
|
||||
if (rrsets[i].getName().equals(name)
|
||||
&& (rrsets[i].getType() == type)
|
||||
&& (rrsets[i].getDClass() == dclass)) {
|
||||
return rrsets[i];
|
||||
}
|
||||
}
|
||||
@ -359,20 +358,20 @@ public class SMessage {
|
||||
* name from qname, due to following a CNAME chain.
|
||||
*/
|
||||
public SRRset findAnswerRRset(Name qname, int qtype, int qclass) {
|
||||
SRRset [] srrsets = getSectionRRsets(Section.ANSWER);
|
||||
SRRset[] srrsets = getSectionRRsets(Section.ANSWER);
|
||||
|
||||
for (int i = 0; i < srrsets.length; i++) {
|
||||
if (srrsets[i].getName().equals(qname) &&
|
||||
(srrsets[i].getType() == Type.CNAME)) {
|
||||
if (srrsets[i].getName().equals(qname)
|
||||
&& (srrsets[i].getType() == Type.CNAME)) {
|
||||
CNAMERecord cname = (CNAMERecord) srrsets[i].first();
|
||||
qname = cname.getTarget();
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
if (srrsets[i].getName().equals(qname) &&
|
||||
(srrsets[i].getType() == qtype) &&
|
||||
(srrsets[i].getDClass() == qclass)) {
|
||||
if (srrsets[i].getName().equals(qname)
|
||||
&& (srrsets[i].getType() == qtype)
|
||||
&& (srrsets[i].getDClass() == qclass)) {
|
||||
return srrsets[i];
|
||||
}
|
||||
}
|
||||
|
@ -27,7 +27,6 @@ import org.xbill.DNS.*;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
|
||||
/**
|
||||
* A version of the RRset class overrides the standard security status.
|
||||
*/
|
||||
|
@ -23,7 +23,6 @@
|
||||
|
||||
package com.verisign.tat.dnssec;
|
||||
|
||||
|
||||
/**
|
||||
* Codes for DNSSEC security statuses.
|
||||
*
|
||||
|
@ -46,7 +46,6 @@ import java.util.Comparator;
|
||||
import java.util.Date;
|
||||
import java.util.Iterator;
|
||||
|
||||
|
||||
/**
|
||||
* This class contains a bunch of utility methods that are generally useful in
|
||||
* signing and verifying rrsets.
|
||||
@ -84,8 +83,8 @@ public class SignUtils {
|
||||
public static RRSIGRecord generatePreRRSIG(RRset rrset, Name signer,
|
||||
int alg, int keyid, Date start, Date expire, long sig_ttl) {
|
||||
return new RRSIGRecord(rrset.getName(), rrset.getDClass(), sig_ttl,
|
||||
rrset.getType(), alg, rrset.getTTL(), expire, start, keyid, signer,
|
||||
null);
|
||||
rrset.getType(), alg, rrset.getTTL(), expire, start, keyid,
|
||||
signer, null);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -107,8 +106,8 @@ public class SignUtils {
|
||||
*/
|
||||
public static RRSIGRecord generatePreRRSIG(RRset rrset, DNSKEYRecord key,
|
||||
Date start, Date expire, long sig_ttl) {
|
||||
return generatePreRRSIG(rrset, key.getName(), key.getAlgorithm(),
|
||||
key.getFootprint(), start, expire, sig_ttl);
|
||||
return generatePreRRSIG(rrset, key.getName(), key.getAlgorithm(), key
|
||||
.getFootprint(), start, expire, sig_ttl);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -129,8 +128,8 @@ public class SignUtils {
|
||||
*/
|
||||
public static RRSIGRecord generatePreRRSIG(Record rec, DNSKEYRecord key,
|
||||
Date start, Date expire, long sig_ttl) {
|
||||
return new RRSIGRecord(rec.getName(), rec.getDClass(), sig_ttl,
|
||||
rec.getType(), key.getAlgorithm(), rec.getTTL(), expire, start,
|
||||
return new RRSIGRecord(rec.getName(), rec.getDClass(), sig_ttl, rec
|
||||
.getType(), key.getAlgorithm(), rec.getTTL(), expire, start,
|
||||
key.getFootprint(), key.getName(), null);
|
||||
}
|
||||
|
||||
@ -142,7 +141,7 @@ public class SignUtils {
|
||||
* @return the RDATA portion of the prototype SIG record. This forms the
|
||||
* first part of the data to be signed.
|
||||
*/
|
||||
private static byte [] generatePreSigRdata(RRSIGRecord presig) {
|
||||
private static byte[] generatePreSigRdata(RRSIGRecord presig) {
|
||||
// Generate the binary image;
|
||||
DNSOutput image = new DNSOutput();
|
||||
|
||||
@ -180,7 +179,7 @@ public class SignUtils {
|
||||
* part of data to be signed.
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
public static byte [] generateCanonicalRRsetData(RRset rrset, long ttl,
|
||||
public static byte[] generateCanonicalRRsetData(RRset rrset, long ttl,
|
||||
int labels) {
|
||||
DNSOutput image = new DNSOutput();
|
||||
|
||||
@ -202,13 +201,13 @@ public class SignUtils {
|
||||
if (n.labels() != labels) {
|
||||
n = n.wild(n.labels() - labels);
|
||||
wildcardName = true;
|
||||
log.trace("Detected wildcard expansion: " + rrset.getName() +
|
||||
" changed to " + n);
|
||||
log.trace("Detected wildcard expansion: " + rrset.getName()
|
||||
+ " changed to " + n);
|
||||
}
|
||||
|
||||
// now convert the wire format records in the RRset into a
|
||||
// list of byte arrays.
|
||||
ArrayList<byte []> canonical_rrs = new ArrayList<byte []>();
|
||||
ArrayList<byte[]> canonical_rrs = new ArrayList<byte[]>();
|
||||
|
||||
for (Iterator i = rrset.rrs(); i.hasNext();) {
|
||||
Record r = (Record) i.next();
|
||||
@ -218,25 +217,24 @@ public class SignUtils {
|
||||
// or ownername.
|
||||
// In the TTL case, this avoids changing the ttl in the
|
||||
// response.
|
||||
r = Record.newRecord(n, r.getType(), r.getDClass(), ttl,
|
||||
r.rdataToWireCanonical());
|
||||
r = Record.newRecord(n, r.getType(), r.getDClass(), ttl, r
|
||||
.rdataToWireCanonical());
|
||||
}
|
||||
|
||||
byte [] wire_fmt = r.toWireCanonical();
|
||||
byte[] wire_fmt = r.toWireCanonical();
|
||||
canonical_rrs.add(wire_fmt);
|
||||
}
|
||||
|
||||
// put the records into the correct ordering.
|
||||
// Calculate the offset where the RDATA begins (we have to skip
|
||||
// past the length byte)
|
||||
int offset = rrset.getName().toWireCanonical().length +
|
||||
10;
|
||||
int offset = rrset.getName().toWireCanonical().length + 10;
|
||||
ByteArrayComparator bac = new ByteArrayComparator(offset, false);
|
||||
|
||||
Collections.sort(canonical_rrs, bac);
|
||||
|
||||
for (Iterator<byte []> i = canonical_rrs.iterator(); i.hasNext();) {
|
||||
byte [] wire_fmt_rec = i.next();
|
||||
for (Iterator<byte[]> i = canonical_rrs.iterator(); i.hasNext();) {
|
||||
byte[] wire_fmt_rec = i.next();
|
||||
image.writeByteArray(wire_fmt_rec);
|
||||
}
|
||||
|
||||
@ -253,10 +251,10 @@ public class SignUtils {
|
||||
* a prototype SIG RR created using the same RRset.
|
||||
* @return a block of data ready to be signed.
|
||||
*/
|
||||
public static byte [] generateSigData(RRset rrset, RRSIGRecord presig)
|
||||
public static byte[] generateSigData(RRset rrset, RRSIGRecord presig)
|
||||
throws IOException {
|
||||
byte [] rrset_data = generateCanonicalRRsetData(rrset,
|
||||
presig.getOrigTTL(), presig.getLabels());
|
||||
byte[] rrset_data = generateCanonicalRRsetData(rrset, presig
|
||||
.getOrigTTL(), presig.getLabels());
|
||||
|
||||
return generateSigData(rrset_data, presig);
|
||||
}
|
||||
@ -273,12 +271,12 @@ public class SignUtils {
|
||||
* <code>rrset_data</code>.
|
||||
* @return a block of data ready to be signed.
|
||||
*/
|
||||
public static byte [] generateSigData(byte [] rrset_data, RRSIGRecord presig)
|
||||
public static byte[] generateSigData(byte[] rrset_data, RRSIGRecord presig)
|
||||
throws IOException {
|
||||
byte [] sig_rdata = generatePreSigRdata(presig);
|
||||
byte[] sig_rdata = generatePreSigRdata(presig);
|
||||
|
||||
ByteArrayOutputStream image = new ByteArrayOutputStream(sig_rdata.length +
|
||||
rrset_data.length);
|
||||
ByteArrayOutputStream image = new ByteArrayOutputStream(
|
||||
sig_rdata.length + rrset_data.length);
|
||||
|
||||
image.write(sig_rdata);
|
||||
image.write(rrset_data);
|
||||
@ -296,12 +294,12 @@ public class SignUtils {
|
||||
* the prototype RRSIG RR to add the signature to.
|
||||
* @return the fully formed RRSIG RR.
|
||||
*/
|
||||
public static RRSIGRecord generateRRSIG(byte [] signature,
|
||||
RRSIGRecord presig) {
|
||||
return new RRSIGRecord(presig.getName(), presig.getDClass(),
|
||||
presig.getTTL(), presig.getTypeCovered(), presig.getAlgorithm(),
|
||||
presig.getOrigTTL(), presig.getExpire(), presig.getTimeSigned(),
|
||||
presig.getFootprint(), presig.getSigner(), signature);
|
||||
public static RRSIGRecord generateRRSIG(byte[] signature, RRSIGRecord presig) {
|
||||
return new RRSIGRecord(presig.getName(), presig.getDClass(), presig
|
||||
.getTTL(), presig.getTypeCovered(), presig.getAlgorithm(),
|
||||
presig.getOrigTTL(), presig.getExpire(),
|
||||
presig.getTimeSigned(), presig.getFootprint(), presig
|
||||
.getSigner(), signature);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -323,7 +321,7 @@ public class SignUtils {
|
||||
* if there was something wrong with the RFC 2536 formatted
|
||||
* signature.
|
||||
*/
|
||||
public static byte [] convertDSASignature(byte [] signature)
|
||||
public static byte[] convertDSASignature(byte[] signature)
|
||||
throws SignatureException {
|
||||
if (signature.length != 41) {
|
||||
throw new SignatureException(
|
||||
@ -347,7 +345,7 @@ public class SignUtils {
|
||||
// (SEQ, INT, INT).
|
||||
byte sig_length = (byte) (40 + r_pad + s_pad + 6);
|
||||
|
||||
byte [] sig = new byte[sig_length];
|
||||
byte[] sig = new byte[sig_length];
|
||||
byte pos = 0;
|
||||
|
||||
sig[pos++] = ASN1_SEQ;
|
||||
@ -397,8 +395,8 @@ public class SignUtils {
|
||||
* @throws SignatureException
|
||||
* if something is wrong with the ASN.1 format.
|
||||
*/
|
||||
public static byte [] convertDSASignature(DSAParams params,
|
||||
byte [] signature) throws SignatureException {
|
||||
public static byte[] convertDSASignature(DSAParams params, byte[] signature)
|
||||
throws SignatureException {
|
||||
if ((signature[0] != ASN1_SEQ) || (signature[2] != ASN1_INT)) {
|
||||
throw new SignatureException(
|
||||
"Invalid ASN.1 signature format: expected SEQ, INT");
|
||||
@ -415,7 +413,7 @@ public class SignUtils {
|
||||
|
||||
byte s_pad = (byte) (signature[25 + r_pad] - 20);
|
||||
|
||||
byte [] sig = new byte[41]; // all rfc2536 signatures are 41 bytes.
|
||||
byte[] sig = new byte[41]; // all rfc2536 signatures are 41 bytes.
|
||||
|
||||
// Calculate T:
|
||||
sig[0] = (byte) ((params.getP().bitLength() - 512) / 64);
|
||||
@ -437,13 +435,15 @@ public class SignUtils {
|
||||
// S is shorter than 20 bytes, so right justify the number
|
||||
// (s_pad is negative here).
|
||||
Arrays.fill(sig, 21, 21 - s_pad, (byte) 0);
|
||||
System.arraycopy(signature, 26 + r_pad, sig, 21 - s_pad, 20 +
|
||||
s_pad);
|
||||
System
|
||||
.arraycopy(signature, 26 + r_pad, sig, 21 - s_pad,
|
||||
20 + s_pad);
|
||||
}
|
||||
|
||||
if ((r_pad < 0) || (s_pad < 0)) {
|
||||
log.trace("(finish ***) RFC 2536 DSA Sig:\n" +
|
||||
base64.toString(sig));
|
||||
log
|
||||
.trace("(finish ***) RFC 2536 DSA Sig:\n"
|
||||
+ base64.toString(sig));
|
||||
} else {
|
||||
log.trace("(finish) RFC 2536 DSA Sig:\n" + base64.toString(sig));
|
||||
}
|
||||
@ -456,24 +456,26 @@ public class SignUtils {
|
||||
* useful for comparing RDATA portions of DNS records in doing DNSSEC
|
||||
* canonical ordering.
|
||||
*/
|
||||
public static class ByteArrayComparator implements Comparator<byte []> {
|
||||
public static class ByteArrayComparator implements Comparator<byte[]> {
|
||||
private int mOffset = 0;
|
||||
private boolean mDebug = false;
|
||||
|
||||
public ByteArrayComparator() {}
|
||||
public ByteArrayComparator() {
|
||||
}
|
||||
|
||||
public ByteArrayComparator(int offset, boolean debug) {
|
||||
mOffset = offset;
|
||||
mDebug = debug;
|
||||
}
|
||||
|
||||
public int compare(byte [] b1, byte [] b2) throws ClassCastException {
|
||||
public int compare(byte[] b1, byte[] b2) throws ClassCastException {
|
||||
for (int i = mOffset; (i < b1.length) && (i < b2.length); i++) {
|
||||
if (b1[i] != b2[i]) {
|
||||
if (mDebug) {
|
||||
System.out.println("offset " + i +
|
||||
" differs (this is " + (i - mOffset) +
|
||||
" bytes in from our offset.)");
|
||||
System.out
|
||||
.println("offset " + i + " differs (this is "
|
||||
+ (i - mOffset)
|
||||
+ " bytes in from our offset.)");
|
||||
}
|
||||
|
||||
return (b1[i] & 0xFF) - (b2[i] & 0xFF);
|
||||
|
@ -27,7 +27,6 @@ import org.xbill.DNS.*;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
|
||||
/**
|
||||
*
|
||||
*/
|
||||
@ -90,9 +89,9 @@ public class TrustAnchorStore {
|
||||
for (Map.Entry<String, SRRset> entry : mMap.entrySet()) {
|
||||
for (Iterator<Record> i = entry.getValue().rrs(); i.hasNext();) {
|
||||
DNSKEYRecord r = (DNSKEYRecord) i.next();
|
||||
String key_desc = r.getName().toString() + "/" +
|
||||
DNSSEC.Algorithm.string(r.getAlgorithm()) + "/" +
|
||||
r.getFootprint();
|
||||
String key_desc = r.getName().toString() + "/"
|
||||
+ DNSSEC.Algorithm.string(r.getAlgorithm()) + "/"
|
||||
+ r.getFootprint();
|
||||
res.add(key_desc);
|
||||
}
|
||||
}
|
||||
|
@ -27,7 +27,6 @@ import org.xbill.DNS.Name;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
|
||||
/**
|
||||
* Some basic utility functions.
|
||||
*/
|
||||
@ -35,7 +34,8 @@ public class Util {
|
||||
/**
|
||||
* Convert a DNS name into a string suitable for use as a cache key.
|
||||
*
|
||||
* @param name The name to convert.
|
||||
* @param name
|
||||
* The name to convert.
|
||||
* @return A string representing the name. This isn't ever meant to be
|
||||
* converted back into a DNS name.
|
||||
*/
|
||||
|
@ -32,7 +32,6 @@ import java.security.NoSuchAlgorithmException;
|
||||
|
||||
import java.util.Iterator;
|
||||
|
||||
|
||||
/**
|
||||
* This is a collection of routines encompassing the logic of validating
|
||||
* different message types.
|
||||
@ -57,12 +56,12 @@ public class ValUtils {
|
||||
* @return A subtype ranging from UNKNOWN to NAMEERROR.
|
||||
*/
|
||||
public static ResponseType classifyResponse(SMessage m, Name zone) {
|
||||
SRRset [] rrsets;
|
||||
SRRset[] rrsets;
|
||||
|
||||
// Normal Name Error's are easy to detect -- but don't mistake a CNAME
|
||||
// chain ending in NXDOMAIN.
|
||||
if ((m.getRcode() == Rcode.NXDOMAIN) &&
|
||||
(m.getCount(Section.ANSWER) == 0)) {
|
||||
if ((m.getRcode() == Rcode.NXDOMAIN)
|
||||
&& (m.getCount(Section.ANSWER) == 0)) {
|
||||
return ResponseType.NAMEERROR;
|
||||
}
|
||||
|
||||
@ -75,13 +74,13 @@ public class ValUtils {
|
||||
// 1) nothing in the ANSWER section
|
||||
// 2) an NS RRset in the AUTHORITY section that is a strict subdomain of
|
||||
// 'zone' (the presumed queried zone).
|
||||
if ((zone != null) && (m.getCount(Section.ANSWER) == 0) &&
|
||||
(m.getCount(Section.AUTHORITY) > 0)) {
|
||||
if ((zone != null) && (m.getCount(Section.ANSWER) == 0)
|
||||
&& (m.getCount(Section.AUTHORITY) > 0)) {
|
||||
rrsets = m.getSectionRRsets(Section.AUTHORITY);
|
||||
|
||||
for (int i = 0; i < rrsets.length; ++i) {
|
||||
if ((rrsets[i].getType() == Type.NS) &&
|
||||
strictSubdomain(rrsets[i].getName(), zone)) {
|
||||
if ((rrsets[i].getType() == Type.NS)
|
||||
&& strictSubdomain(rrsets[i].getName(), zone)) {
|
||||
return ResponseType.REFERRAL;
|
||||
}
|
||||
}
|
||||
@ -135,9 +134,8 @@ public class ValUtils {
|
||||
// FIXME: this used to classify the message, then look in the pertinent
|
||||
// section. Now we just find the first RRSIG in the ANSWER and AUTHORIY
|
||||
// sections.
|
||||
for (int section = Section.ANSWER; section < Section.ADDITIONAL;
|
||||
++section) {
|
||||
SRRset [] rrsets = m.getSectionRRsets(section);
|
||||
for (int section = Section.ANSWER; section < Section.ADDITIONAL; ++section) {
|
||||
SRRset[] rrsets = m.getSectionRRsets(section);
|
||||
|
||||
for (int i = 0; i < rrsets.length; ++i) {
|
||||
Name signerName = rrsets[i].getSignerName();
|
||||
@ -160,7 +158,7 @@ public class ValUtils {
|
||||
* The DS digest algorithm in use.
|
||||
* @return the corresponding {@link org.xbill.DNS.DSRecord}
|
||||
*/
|
||||
public static byte [] calculateDSHash(DNSKEYRecord keyrec, int ds_alg) {
|
||||
public static byte[] calculateDSHash(DNSKEYRecord keyrec, int ds_alg) {
|
||||
DNSOutput os = new DNSOutput();
|
||||
|
||||
os.writeByteArray(keyrec.getName().toWireCanonical());
|
||||
@ -274,9 +272,8 @@ public class ValUtils {
|
||||
m.setStatus(security);
|
||||
}
|
||||
|
||||
for (int section = Section.ANSWER; section <= Section.ADDITIONAL;
|
||||
section++) {
|
||||
SRRset [] rrsets = m.getSectionRRsets(section);
|
||||
for (int section = Section.ANSWER; section <= Section.ADDITIONAL; section++) {
|
||||
SRRset[] rrsets = m.getSectionRRsets(section);
|
||||
|
||||
for (int i = 0; i < rrsets.length; i++) {
|
||||
setRRsetSecurity(rrsets[i], security);
|
||||
@ -296,13 +293,13 @@ public class ValUtils {
|
||||
* @return The status (BOGUS or SECURE).
|
||||
*/
|
||||
public byte verifySRRset(SRRset rrset, SRRset key_rrset) {
|
||||
String rrset_name = rrset.getName() + "/" +
|
||||
Type.string(rrset.getType()) + "/" +
|
||||
DClass.string(rrset.getDClass());
|
||||
String rrset_name = rrset.getName() + "/"
|
||||
+ Type.string(rrset.getType()) + "/"
|
||||
+ DClass.string(rrset.getDClass());
|
||||
|
||||
if (rrset.getSecurityStatus() == SecurityStatus.SECURE) {
|
||||
log.trace("verifySRRset: rrset <" + rrset_name +
|
||||
"> previously found to be SECURE");
|
||||
log.trace("verifySRRset: rrset <" + rrset_name
|
||||
+ "> previously found to be SECURE");
|
||||
|
||||
return SecurityStatus.SECURE;
|
||||
}
|
||||
@ -310,12 +307,12 @@ public class ValUtils {
|
||||
byte status = mVerifier.verify(rrset, key_rrset);
|
||||
|
||||
if (status != SecurityStatus.SECURE) {
|
||||
log.debug("verifySRRset: rrset <" + rrset_name +
|
||||
"> found to be BAD");
|
||||
log.debug("verifySRRset: rrset <" + rrset_name
|
||||
+ "> found to be BAD");
|
||||
status = SecurityStatus.BOGUS;
|
||||
} else {
|
||||
log.trace("verifySRRset: rrset <" + rrset_name +
|
||||
"> found to be SECURE");
|
||||
log.trace("verifySRRset: rrset <" + rrset_name
|
||||
+ "> found to be SECURE");
|
||||
}
|
||||
|
||||
rrset.setSecurityStatus(status);
|
||||
@ -332,7 +329,7 @@ public class ValUtils {
|
||||
* The type to look for.
|
||||
* @return true if the type is present in the type map, false otherwise.
|
||||
*/
|
||||
public static boolean typeMapHasType(int [] types, int type) {
|
||||
public static boolean typeMapHasType(int[] types, int type) {
|
||||
for (int i = 0; i < types.length; i++) {
|
||||
if (types[i] == type) {
|
||||
return true;
|
||||
@ -490,16 +487,16 @@ public class ValUtils {
|
||||
// If NSEC is a parent of qname, we need to check the type map
|
||||
// If the parent name has a DNAME or is a delegation point, then this
|
||||
// NSEC is being misused.
|
||||
boolean hasBadType = typeMapHasType(nsec.getTypes(), Type.DNAME) ||
|
||||
(typeMapHasType(nsec.getTypes(), Type.NS) &&
|
||||
!typeMapHasType(nsec.getTypes(), Type.SOA));
|
||||
boolean hasBadType = typeMapHasType(nsec.getTypes(), Type.DNAME)
|
||||
|| (typeMapHasType(nsec.getTypes(), Type.NS) && !typeMapHasType(
|
||||
nsec.getTypes(), Type.SOA));
|
||||
|
||||
if (qname.subdomain(owner) && hasBadType) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (((qname.compareTo(owner) > 0) && (qname.compareTo(next) < 0)) ||
|
||||
signerName.equals(next)) {
|
||||
if (((qname.compareTo(owner) > 0) && (qname.compareTo(next) < 0))
|
||||
|| signerName.equals(next)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -529,8 +526,9 @@ public class ValUtils {
|
||||
for (int i = qname_labels - signer_labels; i > 0; i--) {
|
||||
Name wc_name = qname.wild(i);
|
||||
|
||||
if ((wc_name.compareTo(owner) > 0) &&
|
||||
((wc_name.compareTo(next) < 0) || signerName.equals(next))) {
|
||||
if ((wc_name.compareTo(owner) > 0)
|
||||
&& ((wc_name.compareTo(next) < 0) || signerName
|
||||
.equals(next))) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
@ -571,8 +569,8 @@ public class ValUtils {
|
||||
// The qname must be a strict subdomain of the closest encloser,
|
||||
// and
|
||||
// the qtype must be absent from the type map.
|
||||
if (!strictSubdomain(qname, ce) ||
|
||||
typeMapHasType(nsec.getTypes(), qtype)) {
|
||||
if (!strictSubdomain(qname, ce)
|
||||
|| typeMapHasType(nsec.getTypes(), qtype)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -585,8 +583,8 @@ public class ValUtils {
|
||||
// be
|
||||
// less than qname, and the next name will be a child domain of the
|
||||
// qname.
|
||||
if (strictSubdomain(nsec.getNext(), qname) &&
|
||||
(qname.compareTo(nsec.getName()) > 0)) {
|
||||
if (strictSubdomain(nsec.getNext(), qname)
|
||||
&& (qname.compareTo(nsec.getName()) > 0)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -610,8 +608,8 @@ public class ValUtils {
|
||||
// not a zone apex), then we should have gotten a referral (or we just
|
||||
// got
|
||||
// the wrong NSEC).
|
||||
if (typeMapHasType(nsec.getTypes(), Type.NS) &&
|
||||
!typeMapHasType(nsec.getTypes(), Type.SOA)) {
|
||||
if (typeMapHasType(nsec.getTypes(), Type.NS)
|
||||
&& !typeMapHasType(nsec.getTypes(), Type.SOA)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -620,7 +618,7 @@ public class ValUtils {
|
||||
|
||||
public static byte nsecProvesNoDS(NSECRecord nsec, Name qname) {
|
||||
// Could check to make sure the qname is a subdomain of nsec
|
||||
int [] types = nsec.getTypes();
|
||||
int[] types = nsec.getTypes();
|
||||
|
||||
if (typeMapHasType(types, Type.SOA) || typeMapHasType(types, Type.DS)) {
|
||||
// SOA present means that this is the NSEC from the child, not the
|
||||
@ -644,8 +642,8 @@ public class ValUtils {
|
||||
// These are response subtypes. They are necessary for determining the
|
||||
// validation strategy. They have no bearing on the iterative resolution
|
||||
// algorithm, so they are confined here.
|
||||
public enum ResponseType {UNTYPED, UNKNOWN, POSITIVE, CNAME, NODATA,
|
||||
NAMEERROR, ANY, REFERRAL,
|
||||
public enum ResponseType {
|
||||
UNTYPED, UNKNOWN, POSITIVE, CNAME, NODATA, NAMEERROR, ANY, REFERRAL,
|
||||
// a referral response
|
||||
THROWAWAY;
|
||||
// a throwaway response (i.e., an error)
|
||||
|
Loading…
Reference in New Issue
Block a user