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DhcpServer: added error handling to fix issue when exception is thrown causing the client to not receive IP address.

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This commit is contained in:
Shreyas Zare
2020-09-12 13:06:45 +05:30
parent 7c1cf8227b
commit f5b0439fc0
1 changed files with 22 additions and 13 deletions
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35
DnsServerCore/Dhcp/DhcpServer.cs
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@@ -647,23 +647,32 @@ namespace DnsServerCore.Dhcp
if (!DnsClient.IsDomainNameValid(domain))
return;
if (add)
try
{
//update forward zone
_authZoneManager.CreatePrimaryZone(scope.DomainName, _authZoneManager.ServerDomain, false);
_authZoneManager.SetRecords(domain, DnsResourceRecordType.A, scope.DnsTtl, new DnsResourceRecordData[] { new DnsARecord(address) });
if (add)
{
//update forward zone
_authZoneManager.CreatePrimaryZone(scope.DomainName, _authZoneManager.ServerDomain, false);
_authZoneManager.SetRecords(domain, DnsResourceRecordType.A, scope.DnsTtl, new DnsResourceRecordData[] { new DnsARecord(address) });
//update reverse zone
_authZoneManager.CreatePrimaryZone(Zone.GetReverseZone(address, scope.SubnetMask), _authZoneManager.ServerDomain, false);
_authZoneManager.SetRecords(Zone.GetReverseZone(address, 32), DnsResourceRecordType.PTR, scope.DnsTtl, new DnsResourceRecordData[] { new DnsPTRRecord(domain) });
//update reverse zone
_authZoneManager.CreatePrimaryZone(Zone.GetReverseZone(address, scope.SubnetMask), _authZoneManager.ServerDomain, false);
_authZoneManager.SetRecords(Zone.GetReverseZone(address, 32), DnsResourceRecordType.PTR, scope.DnsTtl, new DnsResourceRecordData[] { new DnsPTRRecord(domain) });
}
else
{
//remove from forward zone
_authZoneManager.DeleteRecords(domain, DnsResourceRecordType.A);
//remove from reverse zone
_authZoneManager.DeleteRecords(Zone.GetReverseZone(address, 32), DnsResourceRecordType.PTR);
}
}
else
catch (Exception ex)
{
//remove from forward zone
_authZoneManager.DeleteRecords(domain, DnsResourceRecordType.A);
//remove from reverse zone
_authZoneManager.DeleteRecords(Zone.GetReverseZone(address, 32), DnsResourceRecordType.PTR);
LogManager log = _log;
if (log != null)
log.Write(ex);
}
}