public override bool Send(IPPayload payload)
{
DHCP dhcp = new DHCP(payload.GetPayload());
hType = dhcp.HardwareType;
hLen = dhcp.HardwareAddressLength;
xID = dhcp.TransactionID;
cMac = dhcp.ClientHardwareAddress;
cookie = dhcp.MagicCookie;
DHCPopClientID clientID = null;
byte msg = 0;
byte[] reqList = null;
uint leaseTime = 86400;
for (int i = 0; i < dhcp.Options.Count; i++)
{
switch (dhcp.Options[i].Code)
{
case 0:
//Error.WriteLine("Got NOP");
continue;
case 1:
Log_Info("Got SubnetMask?");
if (Utils.memcmp(NetMask, 0, ((DHCPopSubnet)dhcp.Options[i]).SubnetMask, 0, 4) == false)
{
throw new Exception("SubnetMask missmatch");
}
break;
case 3:
Log_Info("Got Router?");
if (((DHCPopRouter)dhcp.Options[i]).RouterIPs.Count != 1)
{
throw new Exception("RouterIPs count missmatch");
}
if (Utils.memcmp(Gateway, 0, ((DHCPopRouter)dhcp.Options[i]).RouterIPs[0], 0, 4) == false)
{
throw new Exception("RouterIPs missmatch");
}
break;
case 6:
Log_Info("Got DNS?");
if ((((DHCPopDNS)dhcp.Options[i]).DNSServers.Count != 0 & DNS1 == null) ||
(((DHCPopDNS)dhcp.Options[i]).DNSServers.Count != 1 & DNS2 == null) ||
(((DHCPopDNS)dhcp.Options[i]).DNSServers.Count != 2 & DNS2 != null))
{
throw new Exception("DNS count missmatch");
}
if ((DNS1 != null && Utils.memcmp(DNS1, 0, ((DHCPopDNS)dhcp.Options[i]).DNSServers[0], 0, 4) == false) ||
(DNS2 != null && Utils.memcmp(DNS2, 0, ((DHCPopDNS)dhcp.Options[i]).DNSServers[1], 0, 4) == false))
{
throw new Exception("DNS missmatch");
}
break;
case 12:
Log_Info("Got HostName");
//TODO use name?
break;
case 50:
Log_Info("Got Request IP");
if (Utils.memcmp(PS2IP, 0, ((DHCPopREQIP)dhcp.Options[i]).IPaddress, 0, 4) == false)
{
throw new Exception("ReqIP missmatch");
}
break;
case 51:
Log_Info("Got Requested Lease Time");
leaseTime = ((DHCPopIPLT)(dhcp.Options[i])).IPLeaseTime;
break;
case 53:
msg = ((DHCPopMSG)(dhcp.Options[i])).Message;
Log_Info("Got MSG ID = " + msg);
break;
case 54:
Log_Info("Got Server IP");
if (Utils.memcmp(DefaultDHCPConfig.DHCP_IP, 0, ((DHCPopSERVIP)dhcp.Options[i]).ServerIP, 0, 4) == false)
{
throw new Exception("ServIP missmatch");
}
break;
case 55:
reqList = ((DHCPopREQLIST)(dhcp.Options[i])).RequestList;
Log_Verb("Got Request List of length " + reqList.Length);
for (int rID = 0; rID < reqList.Length; rID++)
{
Log_Verb("Requested : " + reqList[rID]);
}
break;
case 56:
Log_Verb("Got String Message of " + ((DHCPopMSGStr)dhcp.Options[i]).Message);
break;
case 57:
maxMs = ((DHCPopMMSGS)(dhcp.Options[i])).MaxMessageSize;
Log_Verb("Got Max Message Size of " + maxMs);
break;
case 60:
Log_Verb("Got Class Id of " + ((DHCPopClassID)dhcp.Options[i]).ClassID);
break;
case 61:
Log_Verb("Got Client ID");
clientID = (DHCPopClientID)dhcp.Options[i];
//Ignore
break;
case 255:
Log_Verb("Got END");
break;
default:
Log_Error("Got Unknown Option " + dhcp.Options[i].Code);
throw new Exception("Got Unknown Option " + dhcp.Options[i].Code);
//break;
}
}
DHCP retPay = new DHCP
{
OP = 2,
HardwareType = hType,
HardwareAddressLength = hLen,
TransactionID = xID,
YourIP = PS2IP,//IPaddress.GetAddressBytes();
ServerIP = DefaultDHCPConfig.DHCP_IP,
ClientHardwareAddress = cMac,
MagicCookie = cookie
};
if (msg == 1 || msg == 3) //Fill out Requests
{
if (msg == 1)
{
retPay.Options.Add(new DHCPopMSG(2));
}
if (msg == 3)
{
retPay.Options.Add(new DHCPopMSG(5));
}
if (reqList != null)
{
for (int i = 0; i < reqList.Length; i++)
{
switch (reqList[i])
{
case 1:
Log_Verb("Sending Subnet");
//retPay.Options.Add(new DHCPopSubnet(NetMask.GetAddressBytes()));
retPay.Options.Add(new DHCPopSubnet(NetMask));
break;
case 3:
Log_Verb("Sending Router");
if (Gateway != null)
{
retPay.Options.Add(new DHCPopRouter(new List <byte[]>()
{
Gateway
}));
}
break;
case 6:
Log_Verb("Sending DNS");
if (DNS1 != null)
{
if (DNS2 != null)
{
retPay.Options.Add(new DHCPopDNS(new List <byte[]>()
{
DNS1, DNS2
}));
}
else
{
retPay.Options.Add(new DHCPopDNS(new List <byte[]>()
{
DNS1
}));
}
}
break;
case 15:
Log_Verb("Sending Domain Name");
//retPay.Options.Add(new DHCPopDNSNAME(Dns.GetHostName()));
retPay.Options.Add(new DHCPopDNSNAME("PCSX2-CLRDEV9"));
break;
case 28:
Log_Verb("Sending Broadcast Addr");
retPay.Options.Add(new DHCPopBCIP(Broadcast));
break;
case 50:
Log_Verb("Sending PS2 IP Addr");
retPay.Options.Add(new DHCPopREQIP(PS2IP));
break;
case 53:
Log_Verb("Sending MSG (Already Added)");
break;
case 54:
Log_Verb("Sending Server Identifier (Already Added)");
break;
case 77:
//Isn't this surpossed to be sent by the client?
Log_Error("Request for User-Class, Ignoring");
break;
default:
Log_Error("Got Unknown Req " + reqList[i]);
throw new Exception("Got Unknown Req " + reqList[i]);
}
}
retPay.Options.Add(new DHCPopIPLT(leaseTime));
}
}
if (msg == 7)
{
Log_Info("PS2 has Disconnected");
return(true);
}
retPay.Options.Add(new DHCPopSERVIP(DefaultDHCPConfig.DHCP_IP));
retPay.Options.Add(new DHCPopEND());
byte[] udpPayload = retPay.GetBytes((UInt16)(maxMs - (8 + 20)));
UDP retudp = new UDP(udpPayload)
{
SourcePort = 67,
DestinationPort = 68
};
recvBuff.Enqueue(retudp);
return(true);
}
public override bool send(IPPayload payload)
{
#region "Get Network Info"
//Get comp IP
IPAddress IPaddress = null;
//IPAddress NetMask = null;
//IPAddress GatewayIP = null;
List <IPAddress> DNS_IP = new List <IPAddress>();
//IPAddress BroadCastIP = null;
NetworkInterface[] Interfaces = NetworkInterface.GetAllNetworkInterfaces();
bool FoundAdapter = false;
foreach (NetworkInterface adapter in Interfaces)
{
if (adapter.NetworkInterfaceType == NetworkInterfaceType.Loopback)
{
continue;
}
if (adapter.OperationalStatus == OperationalStatus.Up)
{
UnicastIPAddressInformationCollection IPInfo = adapter.GetIPProperties().UnicastAddresses;
IPInterfaceProperties properties = adapter.GetIPProperties();
//GatewayIPAddressInformationCollection myGateways = properties.GatewayAddresses;
foreach (UnicastIPAddressInformation IPAddressInfo in IPInfo)
{
if (IPAddressInfo.DuplicateAddressDetectionState == DuplicateAddressDetectionState.Preferred &
IPAddressInfo.AddressPreferredLifetime != UInt32.MaxValue &
IPAddressInfo.Address.AddressFamily == AddressFamily.InterNetwork)
{
Console.Error.WriteLine("Matched Adapter");
IPaddress = IPAddressInfo.Address;;
FoundAdapter = true;
break;
}
}
//foreach (GatewayIPAddressInformation Gateway in myGateways) //allow more than one gateway?
//{
// if (FoundAdapter == true)
// {
// GatewayIP = Gateway.Address;
// GATEWAY_IP = GatewayIP.GetAddressBytes();
// break;
// }
//}
foreach (IPAddress DNSaddress in properties.DnsAddresses) //allow more than one DNS address?
{
if (FoundAdapter == true)
{
if (!(DNSaddress.AddressFamily == AddressFamily.InterNetworkV6))
{
DNS_IP.Add(DNSaddress);
}
}
}
}
if (FoundAdapter == true)
{
Console.Error.WriteLine(adapter.Name);
Console.Error.WriteLine(adapter.Description);
Console.Error.WriteLine("IP Address :" + IPaddress.ToString());
Console.Error.WriteLine("Domain Name :" + Dns.GetHostName());
//Console.Error.WriteLine("Subnet Mask :" + NetMask.ToString());
//Console.Error.WriteLine("Gateway IP :" + GatewayIP.ToString());
Console.Error.WriteLine("DNS 1 : " + DNS_IP[0].ToString());
break;
}
}
#endregion
DHCP dhcp = new DHCP(payload.GetPayload());
HType = dhcp.HardwareType;
Hlen = dhcp.HardwareAddressLength;
xID = dhcp.TransactionID;
cMac = dhcp.ClientHardwareAddress;
cookie = dhcp.MagicCookie;
TCPOption clientID = null;
byte msg = 0;
byte[] reqList = null;
for (int i = 0; i < dhcp.Options.Count; i++)
{
switch (dhcp.Options[i].Code)
{
case 0:
//Console.Error.WriteLine("Got NOP");
continue;
case 50:
Console.Error.WriteLine("Got Request IP");
if (Utils.memcmp(PS2_IP, 0, ((DHCPopREQIP)dhcp.Options[i]).IPaddress, 0, 4) == false)
{
throw new Exception("ReqIP missmatch");
}
break;
case 53:
msg = ((DHCPopMSG)(dhcp.Options[i])).Message;
Console.Error.WriteLine("Got MSG ID = " + msg);
break;
case 54:
Console.Error.WriteLine("Got Server IP");
if (Utils.memcmp(DHCP_IP, 0, ((DHCPopSERVIP)dhcp.Options[i]).IPaddress, 0, 4) == false)
{
throw new Exception("ServIP missmatch");
}
break;
case 55:
reqList = ((DHCPopREQLIST)(dhcp.Options[i])).RequestList;
Console.Error.WriteLine("Got Request List of length " + reqList.Length);
for (int rID = 0; rID < reqList.Length; rID++)
{
Console.Error.WriteLine("Requested : " + reqList[rID]);
}
break;
case 56:
Console.Error.WriteLine("Got String Message");
break;
case 57:
maMs = ((DHCPopMMSGS)(dhcp.Options[i])).MaxMessageSize;
Console.Error.WriteLine("Got Max Message Size of " + maMs);
break;
case 61:
Console.Error.WriteLine("Got Client ID");
clientID = dhcp.Options[i];
//Ignore
break;
case 255:
Console.Error.WriteLine("Got END");
break;
default:
Console.Error.WriteLine("Got Unknown Option " + dhcp.Options[i].Code);
throw new Exception();
//break;
}
}
DHCP retPay = new DHCP();
retPay.OP = 2;
retPay.HardwareType = HType;
retPay.HardwareAddressLength = Hlen;
retPay.TransactionID = xID;
retPay.YourIP = PS2_IP;//IPaddress.GetAddressBytes();
retPay.ServerIP = DHCP_IP;
retPay.ClientHardwareAddress = cMac;
retPay.MagicCookie = cookie;
if (msg == 1 || msg == 3) //Fill out Requests
{
if (msg == 1)
{
retPay.Options.Add(new DHCPopMSG(2));
}
if (msg == 3)
{
retPay.Options.Add(new DHCPopMSG(5));
}
for (int i = 0; i < reqList.Length; i++)
{
switch (reqList[i])
{
case 1:
Console.Error.WriteLine("Sending Subnet");
//retPay.Options.Add(new DHCPopSubnet(NetMask.GetAddressBytes()));
retPay.Options.Add(new DHCPopSubnet(NETMASK));
break;
case 3:
Console.Error.WriteLine("Sending Router");
retPay.Options.Add(new DHCPopRouter(GATEWAY_IP));
break;
case 6:
Console.Error.WriteLine("Sending DNS"); //TODO support more than 1
retPay.Options.Add(new DHCPopDNS(DNS_IP[0]));
//retPay.Options.Add(new DHCPopDNS(IPAddress.Parse("1.1.1.1")));
break;
case 15:
Console.Error.WriteLine("Sending Domain Name");
//retPay.Options.Add(new DHCPopDNSNAME(Dns.GetHostName()));
retPay.Options.Add(new DHCPopDNSNAME("PCSX2-CLRDEV9"));
break;
case 28:
Console.Error.WriteLine("Sending Broadcast Addr");
for (int i2 = 0; i2 < 4; i2++)
{
BROADCAST[i2] = (byte)((PS2_IP[i2]) | (~NETMASK[i2]));
}
retPay.Options.Add(new DHCPopBCIP(BROADCAST));
break;
default:
Console.Error.WriteLine("Got Unknown Option " + reqList[i]);
throw new Exception();
}
}
retPay.Options.Add(new DHCPopIPLT(86400));
}
if (msg == 7)
{
Console.Error.WriteLine("PS2 has Disconnected");
return(true);
}
retPay.Options.Add(new DHCPopSERVIP(DHCP_IP));
retPay.Options.Add(new DHCPopEND());
byte[] udpPayload = retPay.GetBytes((UInt16)(maMs - (8 + 20)));
UDP retudp = new UDP(udpPayload);
retudp.SourcePort = 67;
retudp.DestinationPort = 68;
recvbuff.Add(retudp);
return(true);
}
