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Add Opt-Out of unique hostname enforcing

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This commit is contained in:
Jöran Malek 2024-01-06 23:57:15 +01:00
parent a12471c9e5
commit fe275467e8
3 changed files with 18 additions and 6 deletions
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19
src/pdns-dhcp/Dns/DnsRepository.cs
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@ -2,6 +2,10 @@ using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using Microsoft.Extensions.Options;
using pdns_dhcp.Options;
using Timeout = System.Threading.Timeout;
namespace pdns_dhcp.Dns;
@ -10,10 +14,16 @@ public class DnsRepository
{
private static ReadOnlySpan<int> Lifetimes => [600, 3600];
private readonly PowerDnsOptions _options;
private readonly ReaderWriterLockSlim _recordLock = new();
private readonly List<DnsRecord> _records = [];
private readonly SemaphoreSlim _syncLock = new(1, 1);
public DnsRepository(IOptions<PowerDnsOptions> options)
{
_options = options.Value;
}
public List<DnsRecord> Find(Predicate<DnsRecord> query)
{
bool enteredLock = false;
@ -124,11 +134,10 @@ public class DnsRepository
{
list.AddLast(i);
}
// Opt-In to disallow duplicate FQDN?
//else if (StringComparer.InvariantCultureIgnoreCase.Equals(record.FQDN, query.FQDN))
//{
// list.AddLast(i);
//}
else if (_options.UniqueHostnames && StringComparer.OrdinalIgnoreCase.Equals(record.FQDN, query.FQDN))
{
list.AddLast(i);
}
}
return list;

4
src/pdns-dhcp/Options/PowerDnsOptions.cs
View file

@ -2,7 +2,9 @@ namespace pdns_dhcp.Options;
public class PowerDnsOptions
{
public PowerDnsListenerOptions Listener { get; set; } = default!;
public PowerDnsListenerOptions Listener { get; init; } = default!;
public bool UniqueHostnames { get; init; } = true;
}
public record class PowerDnsListenerOptions(string Socket);

1
src/pdns-dhcp/appsettings.json
View file

@ -10,6 +10,7 @@
}
},
"PowerDns": {
"UniqueHostnames": true,
"Listener": {
"Socket": "/run/pdns-dhcp/pdns.sock"
}