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DhcpServer: added logging while updating DNS entries and lease expiry.

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This commit is contained in:
Shreyas Zare
2020-12-19 12:34:48 +05:30
parent 3085f1feb5
commit 3081307e1b
1 changed files with 20 additions and 5 deletions
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25
DnsServerCore/Dhcp/DhcpServer.cs
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@@ -716,6 +716,7 @@ namespace DnsServerCore.Dhcp
string zoneName = null;
string reverseDomain = Zone.GetReverseZone(address, 32);
string reverseZoneName = null;
LogManager log = _log;
if (add)
{
@@ -725,6 +726,7 @@ namespace DnsServerCore.Dhcp
{
//zone does not exists; create new primary zone
_authZoneManager.CreatePrimaryZone(scope.DomainName, _authZoneManager.ServerDomain, false);
log?.Write("DHCP Server create DNS primary zone '" + scope.DomainName + "'.");
}
else if (zoneInfo.Type != AuthZoneType.Primary)
{
@@ -733,13 +735,17 @@ namespace DnsServerCore.Dhcp
zoneName = zoneInfo.Name;
_authZoneManager.SetRecords(domain, DnsResourceRecordType.A, scope.DnsTtl, new DnsResourceRecordData[] { new DnsARecord(address) });
log?.Write("DHCP Server updated DNS A record '" + domain + "' with IP address [" + address.ToString() + "].");
//update reverse zone
AuthZoneInfo reverseZoneInfo = _authZoneManager.GetAuthZoneInfo(reverseDomain);
if (reverseZoneInfo == null)
{
//reverse zone does not exists; create new primary zone
reverseZoneInfo = _authZoneManager.CreatePrimaryZone(Zone.GetReverseZone(address, scope.SubnetMask), _authZoneManager.ServerDomain, false);
string reverseZone = Zone.GetReverseZone(address, scope.SubnetMask);
reverseZoneInfo = _authZoneManager.CreatePrimaryZone(reverseZone, _authZoneManager.ServerDomain, false);
log?.Write("DHCP Server create DNS primary zone '" + reverseZone + "'.");
}
else if (reverseZoneInfo.Type != AuthZoneType.Primary)
{
@@ -748,6 +754,7 @@ namespace DnsServerCore.Dhcp
reverseZoneName = reverseZoneInfo.Name;
_authZoneManager.SetRecords(reverseDomain, DnsResourceRecordType.PTR, scope.DnsTtl, new DnsResourceRecordData[] { new DnsPTRRecord(domain) });
log?.Write("DHCP Server updated DNS PTR record '" + reverseDomain + "' with domain name '" + domain + "'.");
}
else
{
@@ -757,7 +764,8 @@ namespace DnsServerCore.Dhcp
{
//primary zone exists
zoneName = zoneInfo.Name;
_authZoneManager.DeleteRecords(domain, DnsResourceRecordType.A);
_authZoneManager.DeleteRecord(domain, DnsResourceRecordType.A, new DnsARecord(address));
log?.Write("DHCP Server deleted DNS A record '" + domain + "' with address [" + address.ToString() + "].");
}
//remove from reverse zone
@@ -766,7 +774,8 @@ namespace DnsServerCore.Dhcp
{
//primary reverse zone exists
reverseZoneName = reverseZoneInfo.Name;
_authZoneManager.DeleteRecords(reverseDomain, DnsResourceRecordType.PTR);
_authZoneManager.DeleteRecord(reverseDomain, DnsResourceRecordType.PTR, new DnsPTRRecord(domain));
log?.Write("DHCP Server deleted DNS PTR record '" + reverseDomain + "' with domain '" + domain + "'.");
}
}
@@ -1130,9 +1139,15 @@ namespace DnsServerCore.Dhcp
scope.Value.RemoveExpiredOffers();
List<Lease> expiredLeases = scope.Value.RemoveExpiredLeases();
if (expiredLeases.Count > 0)
{
LogManager log = _log;
if (log != null)
log.Write("DHCP Server removed " + expiredLeases.Count + " lease(s) from scope: " + scope.Value.Name);
foreach (Lease expiredLease in expiredLeases)
UpdateDnsAuthZone(false, scope.Value, expiredLease);
foreach (Lease expiredLease in expiredLeases)
UpdateDnsAuthZone(false, scope.Value, expiredLease);
}
}
SaveModifiedScopes();