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DnsResourceRecordInfo: added deleted on and primary name server properties.

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This commit is contained in:
Shreyas Zare
2021-07-10 13:14:23 +05:30
parent 67465fe317
commit af7221e019
1 changed files with 94 additions and 8 deletions
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102
DnsServerCore/Dns/ResourceRecords/DnsResourceRecordInfo.cs
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@@ -20,8 +20,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using TechnitiumLibrary.IO;
using TechnitiumLibrary.Net.Dns;
using TechnitiumLibrary.Net.Dns.ResourceRecords;
namespace DnsServerCore.Dns.ResourceRecords
{
@@ -32,6 +34,8 @@ namespace DnsServerCore.Dns.ResourceRecords
bool _disabled;
IReadOnlyList<DnsResourceRecord> _glueRecords;
string _comments;
DateTime _deletedOn;
IReadOnlyList<NameServerAddress> _primaryNameServers;
#endregion
@@ -40,7 +44,7 @@ namespace DnsServerCore.Dns.ResourceRecords
public DnsResourceRecordInfo()
{ }
public DnsResourceRecordInfo(BinaryReader bR)
public DnsResourceRecordInfo(BinaryReader bR, bool isSoa)
{
byte version = bR.ReadByte();
switch (version)
@@ -51,22 +55,78 @@ namespace DnsServerCore.Dns.ResourceRecords
case 2:
case 3:
case 4:
case 5:
_disabled = bR.ReadBoolean();
int count = bR.ReadByte();
if (count > 0)
if ((version < 5) && isSoa)
{
DnsResourceRecord[] glueRecords = new DnsResourceRecord[count];
//read old glue records as NameServerAddress in case of SOA record
int count = bR.ReadByte();
if (count > 0)
{
NameServerAddress[] primaryNameServers = new NameServerAddress[count];
for (int i = 0; i < glueRecords.Length; i++)
glueRecords[i] = new DnsResourceRecord(bR.BaseStream);
for (int i = 0; i < primaryNameServers.Length; i++)
{
DnsResourceRecord glueRecord = new DnsResourceRecord(bR.BaseStream);
_glueRecords = glueRecords;
IPAddress address;
switch (glueRecord.Type)
{
case DnsResourceRecordType.A:
address = (glueRecord.RDATA as DnsARecord).Address;
break;
case DnsResourceRecordType.AAAA:
address = (glueRecord.RDATA as DnsAAAARecord).Address;
break;
default:
continue;
}
primaryNameServers[i] = new NameServerAddress(address);
}
_primaryNameServers = primaryNameServers;
}
}
else
{
int count = bR.ReadByte();
if (count > 0)
{
DnsResourceRecord[] glueRecords = new DnsResourceRecord[count];
for (int i = 0; i < glueRecords.Length; i++)
glueRecords[i] = new DnsResourceRecord(bR.BaseStream);
_glueRecords = glueRecords;
}
}
if (version >= 3)
_comments = bR.ReadShortString();
if (version >= 4)
_deletedOn = bR.ReadDateTime();
if (version >= 5)
{
int count = bR.ReadByte();
if (count > 0)
{
NameServerAddress[] primaryNameServers = new NameServerAddress[count];
for (int i = 0; i < primaryNameServers.Length; i++)
primaryNameServers[i] = new NameServerAddress(bR);
_primaryNameServers = primaryNameServers;
}
}
break;
default:
@@ -80,7 +140,7 @@ namespace DnsServerCore.Dns.ResourceRecords
public void WriteTo(BinaryWriter bW)
{
bW.Write((byte)3); //version
bW.Write((byte)5); //version
bW.Write(_disabled);
if (_glueRecords is null)
@@ -99,6 +159,20 @@ namespace DnsServerCore.Dns.ResourceRecords
bW.Write((byte)0);
else
bW.WriteShortString(_comments);
bW.Write(_deletedOn);
if (_primaryNameServers is null)
{
bW.Write((byte)0);
}
else
{
bW.Write(Convert.ToByte(_primaryNameServers.Count));
foreach (NameServerAddress nameServer in _primaryNameServers)
nameServer.WriteTo(bW);
}
}
#endregion
@@ -123,6 +197,18 @@ namespace DnsServerCore.Dns.ResourceRecords
set { _comments = value; }
}
public DateTime DeletedOn
{
get { return _deletedOn; }
set { _deletedOn = value; }
}
public IReadOnlyList<NameServerAddress> PrimaryNameServers
{
get { return _primaryNameServers; }
set { _primaryNameServers = value; }
}
#endregion
}
}