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ApexZone: added dynamic updates support and moved zone history and tsig key code here from primary/secondary zones.

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This commit is contained in:
Shreyas Zare
2022-10-05 18:55:48 +05:30
parent d8599d0bab
commit c000b653d8
1 changed files with 65 additions and 1 deletions
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66
DnsServerCore/Dns/Zones/ApexZone.cs
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@@ -45,6 +45,15 @@ namespace DnsServerCore.Dns.Zones
BothZoneAndSpecifiedNameServers = 3
}
public enum AuthZoneUpdate : byte
{
Deny = 0,
Allow = 1,
AllowOnlyZoneNameServers = 2,
AllowOnlySpecifiedIpAddresses = 3,
AllowBothZoneNameServersAndSpecifiedIpAddresses = 4
}
abstract class ApexZone : AuthZone, IDisposable
{
#region variables
@@ -53,6 +62,11 @@ namespace DnsServerCore.Dns.Zones
protected IReadOnlyCollection<IPAddress> _zoneTransferNameServers;
protected AuthZoneNotify _notify;
protected IReadOnlyCollection<IPAddress> _notifyNameServers;
protected AuthZoneUpdate _update;
protected IReadOnlyCollection<IPAddress> _updateIpAddresses;
protected List<DnsResourceRecord> _zoneHistory; //for IXFR support
protected IReadOnlyDictionary<string, object> _zoneTransferTsigKeyNames;
protected IReadOnlyDictionary<string, object> _updateTsigKeyNames;
protected AuthZoneDnssecStatus _dnssecStatus;
Timer _notifyTimer;
@@ -76,11 +90,23 @@ namespace DnsServerCore.Dns.Zones
_zoneTransferNameServers = zoneInfo.ZoneTransferNameServers;
_notify = zoneInfo.Notify;
_notifyNameServers = zoneInfo.NotifyNameServers;
_update = zoneInfo.Update;
_updateIpAddresses = zoneInfo.UpdateIpAddresses;
if (zoneInfo.ZoneHistory is null)
_zoneHistory = new List<DnsResourceRecord>();
else
_zoneHistory = new List<DnsResourceRecord>(zoneInfo.ZoneHistory);
_zoneTransferTsigKeyNames = zoneInfo.ZoneTransferTsigKeyNames;
_updateTsigKeyNames = zoneInfo.UpdateTsigKeyNames;
}
protected ApexZone(string name)
: base(name)
{ }
{
_zoneHistory = new List<DnsResourceRecord>();
}
#endregion
@@ -445,6 +471,14 @@ namespace DnsServerCore.Dns.Zones
#region public
public IReadOnlyList<DnsResourceRecord> GetZoneHistory()
{
lock (_zoneHistory)
{
return _zoneHistory.ToArray();
}
}
public void TriggerNotify()
{
if (_disabled)
@@ -600,6 +634,36 @@ namespace DnsServerCore.Dns.Zones
}
}
public virtual AuthZoneUpdate Update
{
get { return _update; }
set { _update = value; }
}
public IReadOnlyCollection<IPAddress> UpdateIpAddresses
{
get { return _updateIpAddresses; }
set
{
if ((value is not null) && (value.Count > byte.MaxValue))
throw new ArgumentOutOfRangeException(nameof(ZoneTransferNameServers), "IP addresses cannot be more than 255.");
_updateIpAddresses = value;
}
}
public IReadOnlyDictionary<string, object> ZoneTransferTsigKeyNames
{
get { return _zoneTransferTsigKeyNames; }
set { _zoneTransferTsigKeyNames = value; }
}
public IReadOnlyDictionary<string, object> UpdateTsigKeyNames
{
get { return _updateTsigKeyNames; }
set { _updateTsigKeyNames = value; }
}
public bool NotifyFailed
{
get