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WebService: Added auto delete PTR record when corresponding A or AAAA record is deleted. Fixed bugs in adding/updating PTR record for AAAA record.

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This commit is contained in:
Shreyas Zare
2020-10-24 18:00:59 +05:30
parent 3b2889259a
commit 130fd64e82
1 changed files with 33 additions and 9 deletions
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42
DnsServerCore/WebService.cs
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@@ -2231,7 +2231,7 @@ namespace DnsServerCore
if (ptr)
{
string ptrDomain = Zone.GetReverseZone(ipAddress, 32);
string ptrDomain = Zone.GetReverseZone(ipAddress, type == DnsResourceRecordType.A ? 32 : 128);
AuthZoneInfo reverseZoneInfo = _dnsServer.AuthZoneManager.GetAuthZoneInfo(ptrDomain);
if (reverseZoneInfo == null)
@@ -2244,7 +2244,7 @@ namespace DnsServerCore
if (!createPtrZone)
throw new DnsServerException("No reverse zone available to add PTR record.");
string ptrZone = Zone.GetReverseZone(ipAddress, 24);
string ptrZone = Zone.GetReverseZone(ipAddress, type == DnsResourceRecordType.A ? 24 : 64);
reverseZoneInfo = _dnsServer.AuthZoneManager.CreatePrimaryZone(ptrZone, _dnsServer.ServerDomain, false);
if (reverseZoneInfo == null)
@@ -2716,11 +2716,35 @@ namespace DnsServerCore
switch (type)
{
case DnsResourceRecordType.A:
_dnsServer.AuthZoneManager.DeleteRecord(domain, type, new DnsARecord(IPAddress.Parse(value)));
break;
case DnsResourceRecordType.AAAA:
_dnsServer.AuthZoneManager.DeleteRecord(domain, type, new DnsAAAARecord(IPAddress.Parse(value)));
{
IPAddress address = IPAddress.Parse(value);
if (type == DnsResourceRecordType.A)
_dnsServer.AuthZoneManager.DeleteRecord(domain, type, new DnsARecord(address));
else
_dnsServer.AuthZoneManager.DeleteRecord(domain, type, new DnsAAAARecord(address));
string ptrDomain = Zone.GetReverseZone(address, type == DnsResourceRecordType.A ? 32 : 128);
AuthZoneInfo reverseZoneInfo = _dnsServer.AuthZoneManager.GetAuthZoneInfo(ptrDomain);
if ((reverseZoneInfo != null) && !reverseZoneInfo.Internal && (reverseZoneInfo.Type == AuthZoneType.Primary))
{
IReadOnlyList<DnsResourceRecord> ptrRecords = _dnsServer.AuthZoneManager.QueryRecords(ptrDomain, DnsResourceRecordType.PTR);
if (ptrRecords.Count > 0)
{
foreach (DnsResourceRecord ptrRecord in ptrRecords)
{
if ((ptrRecord.RDATA as DnsPTRRecord).Domain.Equals(domain, StringComparison.OrdinalIgnoreCase))
{
//delete PTR record and save reverse zone
_dnsServer.AuthZoneManager.DeleteRecord(ptrDomain, DnsResourceRecordType.PTR, ptrRecord.RDATA);
_dnsServer.AuthZoneManager.SaveZoneFile(reverseZoneInfo.Name);
break;
}
}
}
}
}
break;
case DnsResourceRecordType.MX:
@@ -2846,7 +2870,7 @@ namespace DnsServerCore
if (ptr)
{
string ptrDomain = Zone.GetReverseZone(newIpAddress, 32);
string ptrDomain = Zone.GetReverseZone(newIpAddress, type == DnsResourceRecordType.A ? 32 : 128);
AuthZoneInfo reverseZoneInfo = _dnsServer.AuthZoneManager.GetAuthZoneInfo(ptrDomain);
if (reverseZoneInfo == null)
@@ -2859,7 +2883,7 @@ namespace DnsServerCore
if (!createPtrZone)
throw new DnsServerException("No reverse zone available to add PTR record.");
string ptrZone = Zone.GetReverseZone(newIpAddress, 24);
string ptrZone = Zone.GetReverseZone(newIpAddress, type == DnsResourceRecordType.A ? 24 : 64);
reverseZoneInfo = _dnsServer.AuthZoneManager.CreatePrimaryZone(ptrZone, _dnsServer.ServerDomain, false);
if (reverseZoneInfo == null)
@@ -2873,7 +2897,7 @@ namespace DnsServerCore
throw new DnsServerException("Reverse zone '" + reverseZoneInfo.Name + "' is not a primary zone.");
string oldPtrDomain = Zone.GetReverseZone(oldIpAddress, 32);
string oldPtrDomain = Zone.GetReverseZone(oldIpAddress, type == DnsResourceRecordType.A ? 32 : 128);
AuthZoneInfo oldReverseZoneInfo = _dnsServer.AuthZoneManager.GetAuthZoneInfo(oldPtrDomain);
if ((oldReverseZoneInfo != null) && !oldReverseZoneInfo.Internal && (oldReverseZoneInfo.Type == AuthZoneType.Primary))