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Scope: added serverHostName and bootFileName options

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This commit is contained in:
Shreyas Zare
2020-10-24 16:50:52 +05:30
parent 34471ca1d8
commit 7de99aca59
1 changed files with 59 additions and 11 deletions
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70
DnsServerCore/Dhcp/Scope.cs
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@@ -50,7 +50,9 @@ namespace DnsServerCore.Dhcp
//dhcp options
string _domainName;
uint _dnsTtl = 900;
IPAddress _nextServerAddress;
IPAddress _serverAddress;
string _serverHostName;
string _bootFileName;
IPAddress _routerAddress;
bool _useThisDnsServer;
ICollection<IPAddress> _dnsServers;
@@ -101,6 +103,7 @@ namespace DnsServerCore.Dhcp
{
case 1:
case 2:
case 3:
_name = bR.ReadShortString();
_enabled = bR.ReadBoolean();
@@ -118,11 +121,22 @@ namespace DnsServerCore.Dhcp
_dnsTtl = bR.ReadUInt32();
if (version > 1)
if (version >= 2)
{
_nextServerAddress = IPAddressExtension.Parse(bR);
if (_nextServerAddress.Equals(IPAddress.Any))
_nextServerAddress = null;
_serverAddress = IPAddressExtension.Parse(bR);
if (_serverAddress.Equals(IPAddress.Any))
_serverAddress = null;
}
if (version >= 3)
{
_serverHostName = bR.ReadShortString();
if (string.IsNullOrEmpty(_serverHostName))
_serverHostName = null;
_bootFileName = bR.ReadShortString();
if (string.IsNullOrEmpty(_bootFileName))
_bootFileName = null;
}
_routerAddress = IPAddressExtension.Parse(bR);
@@ -889,7 +903,7 @@ namespace DnsServerCore.Dhcp
public void WriteTo(BinaryWriter bW)
{
bW.Write(Encoding.ASCII.GetBytes("SC"));
bW.Write((byte)2); //version
bW.Write((byte)3); //version
bW.WriteShortString(_name);
bW.Write(_enabled);
@@ -908,10 +922,20 @@ namespace DnsServerCore.Dhcp
bW.Write(_dnsTtl);
if (_nextServerAddress == null)
if (_serverAddress == null)
IPAddress.Any.WriteTo(bW);
else
_nextServerAddress.WriteTo(bW);
_serverAddress.WriteTo(bW);
if (string.IsNullOrEmpty(_serverHostName))
bW.Write((byte)0);
else
bW.WriteShortString(_serverHostName);
if (string.IsNullOrEmpty(_bootFileName))
bW.Write((byte)0);
else
bW.WriteShortString(_bootFileName);
if (_routerAddress == null)
IPAddress.Any.WriteTo(bW);
@@ -1126,10 +1150,34 @@ namespace DnsServerCore.Dhcp
set { _dnsTtl = value; }
}
public IPAddress NextServerAddress
public IPAddress ServerAddress
{
get { return _nextServerAddress; }
set { _nextServerAddress = value; }
get { return _serverAddress; }
set { _serverAddress = value; }
}
public string ServerHostName
{
get { return _serverHostName; }
set
{
if ((value != null) && (value.Length >= 64))
throw new ArgumentException("Server host name cannot exceed 63 bytes.");
_serverHostName = value;
}
}
public string BootFileName
{
get { return _bootFileName; }
set
{
if ((value != null) && (value.Length >= 128))
throw new ArgumentException("Boot file name cannot exceed 127 bytes.");
_bootFileName = value;
}
}
public IPAddress RouterAddress