Examples with NoTrustAnchorReason org.minidns.dnssec.UnverifiedReason.NoTrustAnchorReason used on opensource projects

Example 1 with NoTrustAnchorReason

use of org.minidns.dnssec.UnverifiedReason.NoTrustAnchorReason in project minidns by MiniDNS.

the class DNSSECClient method verifySecureEntryPoint.

private Set<UnverifiedReason> verifySecureEntryPoint(Question q, final Record<DNSKEY> sepRecord) throws IOException {
    final DNSKEY dnskey = sepRecord.payloadData;
    Set<UnverifiedReason> unverifiedReasons = new HashSet<>();
    Set<UnverifiedReason> activeReasons = new HashSet<>();
    if (knownSeps.containsKey(sepRecord.name)) {
        if (dnskey.keyEquals(knownSeps.get(sepRecord.name))) {
            return unverifiedReasons;
        } else {
            unverifiedReasons.add(new UnverifiedReason.ConflictsWithSep(sepRecord));
            return unverifiedReasons;
        }
    }
    // configured with one and we can abort stating the reason.
    if (sepRecord.name.isRootLabel()) {
        unverifiedReasons.add(new UnverifiedReason.NoRootSecureEntryPointReason());
        return unverifiedReasons;
    }
    DelegatingDnssecRR delegation = null;
    DNSSECMessage dsResp = queryDnssec(sepRecord.name, TYPE.DS);
    if (dsResp == null) {
        LOGGER.fine("There is no DS record for " + sepRecord.name + ", server gives no result");
    } else {
        unverifiedReasons.addAll(dsResp.getUnverifiedReasons());
        for (Record<? extends Data> record : dsResp.answerSection) {
            Record<DS> dsRecord = record.ifPossibleAs(DS.class);
            if (dsRecord == null)
                continue;
            DS ds = dsRecord.payloadData;
            if (dnskey.getKeyTag() == ds.keyTag) {
                delegation = ds;
                activeReasons = dsResp.getUnverifiedReasons();
                break;
            }
        }
        if (delegation == null) {
            LOGGER.fine("There is no DS record for " + sepRecord.name + ", server gives empty result");
        }
    }
    if (delegation == null && dlv != null && !dlv.isChildOf(sepRecord.name)) {
        DNSSECMessage dlvResp = queryDnssec(DNSName.from(sepRecord.name, dlv), TYPE.DLV);
        if (dlvResp != null) {
            unverifiedReasons.addAll(dlvResp.getUnverifiedReasons());
            for (Record<? extends Data> record : dlvResp.answerSection) {
                Record<DLV> dlvRecord = record.ifPossibleAs(DLV.class);
                if (dlvRecord == null)
                    continue;
                if (sepRecord.payloadData.getKeyTag() == dlvRecord.payloadData.keyTag) {
                    LOGGER.fine("Found DLV for " + sepRecord.name + ", awesome.");
                    delegation = dlvRecord.payloadData;
                    activeReasons = dlvResp.getUnverifiedReasons();
                    break;
                }
            }
        }
    }
    if (delegation != null) {
        UnverifiedReason unverifiedReason = verifier.verify(sepRecord, delegation);
        if (unverifiedReason != null) {
            unverifiedReasons.add(unverifiedReason);
        } else {
            unverifiedReasons = activeReasons;
        }
    } else if (unverifiedReasons.isEmpty()) {
        unverifiedReasons.add(new NoTrustAnchorReason(sepRecord.name.ace));
    }
    return unverifiedReasons;
}

Example 2 with NoTrustAnchorReason

use of org.minidns.dnssec.UnverifiedReason.NoTrustAnchorReason in project minidns by MiniDNS.

the class DNSSECClient method verifySignedRecords.

private Set<UnverifiedReason> verifySignedRecords(Question q, RRSIG rrsig, List<Record<? extends Data>> records) throws IOException {
    Set<UnverifiedReason> result = new HashSet<>();
    DNSKEY dnskey = null;
    if (rrsig.typeCovered == TYPE.DNSKEY) {
        // Key must be present
        for (Record<? extends Data> record : records) {
            Record<DNSKEY> dnsKeyRecord = record.ifPossibleAs(DNSKEY.class);
            if (dnsKeyRecord == null)
                continue;
            if (dnsKeyRecord.payloadData.getKeyTag() == rrsig.keyTag) {
                dnskey = dnsKeyRecord.payloadData;
                break;
            }
        }
    } else if (q.type == TYPE.DS && rrsig.signerName.equals(q.name)) {
        // We should not probe for the self signed DS negative response, as it will be an endless loop.
        result.add(new NoTrustAnchorReason(q.name.ace));
        return result;
    } else {
        DNSSECMessage dnskeyRes = queryDnssec(rrsig.signerName, TYPE.DNSKEY);
        if (dnskeyRes == null) {
            throw new DNSSECValidationFailedException(q, "There is no DNSKEY " + rrsig.signerName + ", but it is used");
        }
        result.addAll(dnskeyRes.getUnverifiedReasons());
        for (Record<? extends Data> record : dnskeyRes.answerSection) {
            Record<DNSKEY> dnsKeyRecord = record.ifPossibleAs(DNSKEY.class);
            if (dnsKeyRecord == null)
                continue;
            if (dnsKeyRecord.payloadData.getKeyTag() == rrsig.keyTag) {
                dnskey = dnsKeyRecord.payloadData;
            }
        }
    }
    if (dnskey == null) {
        throw new DNSSECValidationFailedException(q, records.size() + " " + rrsig.typeCovered + " record(s) are signed using an unknown key.");
    }
    UnverifiedReason unverifiedReason = verifier.verify(records, rrsig, dnskey);
    if (unverifiedReason != null) {
        result.add(unverifiedReason);
    }
    return result;
}