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AuthZoneManager: updated SyncRecords() to handle root zone case. Prevented SyncRecords() from overwriting glue addresses for SOA record.

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This commit is contained in:
Shreyas Zare
2020-06-20 19:12:50 +05:30
parent be3fc997a7
commit 9fa91d96f7
1 changed files with 32 additions and 8 deletions
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40
DnsServerCore/Dns/ZoneManagers/AuthZoneManager.cs
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@@ -492,7 +492,7 @@ namespace DnsServerCore.Dns.ZoneManagers
List<AuthZone> zones = _root.GetZoneWithSubDomainZones(domain);
if ((zones.Count > 0) && (zones[0] is PrimaryZone) && zones[0].IsActive)
if ((zones.Count > 0) && zones[0].IsActive)
{
//only primary zones support zone transfer
DnsResourceRecord soaRecord = zones[0].QueryRecords(DnsResourceRecordType.SOA)[0];
@@ -558,14 +558,39 @@ namespace DnsServerCore.Dns.ZoneManagers
if (syncRecords[0].Type == DnsResourceRecordType.SOA)
i = 1; //skip first SOA in AXFR
for (; i < syncRecords.Count; i++)
if (domain.Length == 0)
{
DnsResourceRecord record = syncRecords[i];
//root zone case
for (; i < syncRecords.Count; i++)
{
DnsResourceRecord record = syncRecords[i];
if (record.Name.EndsWith(domain, StringComparison.OrdinalIgnoreCase))
newRecords.Add(record);
else if (!glueRecords.Contains(record))
glueRecords.Add(record);
switch (record.Type)
{
case DnsResourceRecordType.A:
case DnsResourceRecordType.AAAA:
if (!glueRecords.Contains(record))
glueRecords.Add(record);
break;
default:
newRecords.Add(record);
break;
}
}
}
else
{
for (; i < syncRecords.Count; i++)
{
DnsResourceRecord record = syncRecords[i];
if (record.Name.EndsWith(domain, StringComparison.OrdinalIgnoreCase))
newRecords.Add(record);
else if (!glueRecords.Contains(record))
glueRecords.Add(record);
}
}
if (glueRecords.Count > 0)
@@ -575,7 +600,6 @@ namespace DnsServerCore.Dns.ZoneManagers
switch (record.Type)
{
case DnsResourceRecordType.NS:
case DnsResourceRecordType.SOA:
record.SetGlueRecords(glueRecords);
break;
}