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CacheZoneManager: implemented filterSpecialCacheRecords option in calls to prevent internal cache records from leaking.

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This commit is contained in:
Shreyas Zare
2021-02-27 18:27:26 +05:30
parent 7a04792397
commit 85ac382d07
1 changed files with 6 additions and 6 deletions
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12
DnsServerCore/Dns/ZoneManagers/CacheZoneManager.cs
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@@ -138,13 +138,13 @@ namespace DnsServerCore.Dns.ZoneManagers
if (cacheZone != null)
{
{
IReadOnlyList<DnsResourceRecord> records = cacheZone.QueryRecords(DnsResourceRecordType.A, serveStale);
IReadOnlyList<DnsResourceRecord> records = cacheZone.QueryRecords(DnsResourceRecordType.A, serveStale, true);
if ((records.Count > 0) && (records[0].RDATA is DnsARecord))
additionalRecords.AddRange(records);
}
{
IReadOnlyList<DnsResourceRecord> records = cacheZone.QueryRecords(DnsResourceRecordType.AAAA, serveStale);
IReadOnlyList<DnsResourceRecord> records = cacheZone.QueryRecords(DnsResourceRecordType.AAAA, serveStale, true);
if ((records.Count > 0) && (records[0].RDATA is DnsAAAARecord))
additionalRecords.AddRange(records);
}
@@ -199,7 +199,7 @@ namespace DnsServerCore.Dns.ZoneManagers
}
//return closest name servers in delegation
IReadOnlyList<DnsResourceRecord> authority = delegation.QueryRecords(DnsResourceRecordType.NS, false);
IReadOnlyList<DnsResourceRecord> authority = delegation.QueryRecords(DnsResourceRecordType.NS, false, true);
List<DnsResourceRecord> additional = GetAdditionalRecords(authority, false);
return new DnsDatagram(request.Identifier, true, DnsOpcode.StandardQuery, false, false, request.RecursionDesired, true, false, false, DnsResponseCode.NoError, request.Question, null, authority, additional);
@@ -218,14 +218,14 @@ namespace DnsServerCore.Dns.ZoneManagers
}
//return closest name servers in delegation
IReadOnlyList<DnsResourceRecord> authority = delegation.QueryRecords(DnsResourceRecordType.NS, serveStale);
IReadOnlyList<DnsResourceRecord> authority = delegation.QueryRecords(DnsResourceRecordType.NS, serveStale, true);
List<DnsResourceRecord> additional = GetAdditionalRecords(authority, serveStale);
return new DnsDatagram(request.Identifier, true, DnsOpcode.StandardQuery, false, false, request.RecursionDesired, true, false, false, DnsResponseCode.NoError, request.Question, null, authority, additional);
}
//zone found
IReadOnlyList<DnsResourceRecord> answers = zone.QueryRecords(request.Question[0].Type, serveStale);
IReadOnlyList<DnsResourceRecord> answers = zone.QueryRecords(request.Question[0].Type, serveStale, false);
if (answers.Count > 0)
{
//answer found in cache
@@ -281,7 +281,7 @@ namespace DnsServerCore.Dns.ZoneManagers
}
//return closest name servers in delegation
IReadOnlyList<DnsResourceRecord> authority = delegation.QueryRecords(DnsResourceRecordType.NS, false);
IReadOnlyList<DnsResourceRecord> authority = delegation.QueryRecords(DnsResourceRecordType.NS, false, true);
List<DnsResourceRecord> additional = GetAdditionalRecords(authority, false);
return new DnsDatagram(request.Identifier, true, DnsOpcode.StandardQuery, false, false, request.RecursionDesired, true, false, false, DnsResponseCode.NoError, request.Question, null, authority, additional);