protected override void OnPacketReceived(byte[] bytes, IPEndPoint receivedFrom)
{
var datagram = new DatagramPacket(bytes, bytes.Length, receivedFrom);
var packet = new NfsPacket(datagram);
var e = new UdpPacketReceivedEventArgs(packet, receivedFrom);
//Console.WriteLine("\nPacket Received : EndPoint: " + _listener.Client.Client.LocalEndPoint.ToString());
uint xId = packet.XID = packet.GetUInt();
uint type = packet.GetUInt();
if (type == (int)RpcSignalType.Call) {
Call(ref packet, xId);
}
else if (type == (int)RpcSignalType.Reply) {
Reply(ref packet, xId);
}
//RaisePacketReceived(e);
if (packet.ProgramID == this.ProgramID) {
//Console.WriteLine("Found program: " + packet.ProgramID);
Process(packet, receivedFrom);
}
}
private void Set(NfsPacket sourcePacket, IPEndPoint receivedFrom)
{
// skip past the authentication records
sourcePacket.ReadAuthentication();
sourcePacket.ReadAuthentication();
// Collect the arguments to the procedure
uint programId = sourcePacket.GetUInt();
uint version = sourcePacket.GetUInt();
uint protocol = sourcePacket.GetUInt();
uint port = sourcePacket.GetUInt();
NfsPacket packet = new NfsPacket(128);
packet.AddReplyHeader(sourcePacket.XID);
packet.SetUInt(PORTMAP_TRUE);
// portmapMapping toadd = new portmapMapping(prog, vers, prot);
// toadd.SetPort(port);
// XDRPacket result = new XDRPacket(128);
// result.AddReplyHeader(xid);
// // look for the chain of versions for this program
// long? pl = new long?(prog);
// portmapMapping chain = (portmapMapping)mappings[pl];
// if (chain == null) {
// mappings.Add(pl, toadd);
// result.AddLong(Portmap.PM_TRUE);
// }
// else {
// // See if this version is already registered in the chain
// while (chain != null) {
// if (chain.Version() == vers && chain.Protocol() == prot) {
// result.AddLong(Portmap.PM_FALSE);
// break;
// }
// else if (chain.Next() == null) {
// chain.SetNext(toadd);
// result.AddLong(Portmap.PM_TRUE);
// break;
// }
// chain = chain.Next();
// }
// }
Send(packet, receivedFrom);
}
protected virtual void Call(ref NfsPacket packet, uint xId) {
uint rpcVersion = packet.RpcVersion = packet.GetUInt();
uint programId = packet.ProgramID = packet.GetUInt();
uint version = packet.NfsVersion = packet.GetUInt();
uint procedure = packet.ProcedureID = packet.GetUInt();
IPHostEntry entry = Dns.GetHostEntry(packet.Source);
String[] parts = entry.HostName.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length >= 0) {
packet.RemoteHost = parts[0];
}
//if (programId == this.ProgramID) {
// Console.WriteLine("\nCall: rpcVersion = " + rpcVersion + " programId = " + programId + " version = " + version + " procedure = " + procedure);
//}
}
private void GetPort(NfsPacket sourcePacket, IPEndPoint receivedFrom)
{
// skip past the authentication records
sourcePacket.ReadAuthentication();
sourcePacket.ReadAuthentication();
// Collect the arguments to the procedure
uint programId = sourcePacket.GetUInt();
uint version = sourcePacket.GetUInt();
uint protocol = sourcePacket.GetUInt();
// Put together an XDR reply packet
NfsPacket packet = new NfsPacket(128);
packet.SetUInt(sourcePacket.XID);
packet.SetUInt((uint)RpcSignalType.Reply);
packet.SetUInt((uint)RpcMessageResult.Accepted);
packet.AddNullAuthentication();
if (!NfsHandlerManager.IsProgramRegistered((int)programId))
{
packet.SetUInt((uint)RpcProcedure.ProgramUnavailable);
}
else
{
// TODO: add version checking. we're only doing v2 right now.
// version mismatch gets the ProgMismatch value.
// result.AddLong(RPCConsts.RPCProgMismatch);
// result.AddLong(versmin);
// result.AddLong(versmax);
int port = NfsHandlerManager.GetPort((int)programId);
if (port == 0)
{
packet.SetUInt((uint)RpcProcedure.ProgramMismatch);
}
else
{
packet.SetUInt((uint)RpcProcedure.Success);
packet.SetUInt((uint)port);
}
}
Send(packet, receivedFrom);
}
protected virtual void Call(ref NfsPacket packet, uint xId)
{
uint rpcVersion = packet.RpcVersion = packet.GetUInt();
uint programId = packet.ProgramID = packet.GetUInt();
uint version = packet.NfsVersion = packet.GetUInt();
uint procedure = packet.ProcedureID = packet.GetUInt();
IPHostEntry entry = Dns.GetHostEntry(packet.Source);
String[] parts = entry.HostName.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length >= 0) {
packet.RemoteHost = parts[0];
}
//if (programId == this.ProgramID) {
// Console.WriteLine("\nCall: rpcVersion = " + rpcVersion + " programId = " + programId + " version = " + version + " procedure = " + procedure);
//}
}
protected override void OnPacketReceived(byte[] bytes, IPEndPoint receivedFrom) {
var datagram = new DatagramPacket(bytes, bytes.Length, receivedFrom);
var packet = new NfsPacket(datagram);
var e = new UdpPacketReceivedEventArgs(packet, receivedFrom);
//Console.WriteLine("\nPacket Received : EndPoint: " + _listener.Client.Client.LocalEndPoint.ToString());
uint xId = packet.XID = packet.GetUInt();
uint type = packet.GetUInt();
if (type == (int)RpcSignalType.Call) {
Call(ref packet, xId);
}
else if (type == (int)RpcSignalType.Reply) {
Reply(ref packet, xId);
}
//RaisePacketReceived(e);
if (packet.ProgramID == this.ProgramID) {
//Console.WriteLine("Found program: " + packet.ProgramID);
Process(packet, receivedFrom);
}
}
internal virtual bool Read(NfsPacket packet)
{
_seconds = packet.GetUInt();
_milliseconds = packet.GetUInt();
return(true);
}
private void GetPort(NfsPacket sourcePacket, IPEndPoint receivedFrom)
{
// skip past the authentication records
sourcePacket.ReadAuthentication();
sourcePacket.ReadAuthentication();
// Collect the arguments to the procedure
uint programId = sourcePacket.GetUInt();
uint version = sourcePacket.GetUInt();
uint protocol = sourcePacket.GetUInt();
// Put together an XDR reply packet
NfsPacket packet = new NfsPacket(128);
packet.SetUInt(sourcePacket.XID);
packet.SetUInt((uint)RpcSignalType.Reply);
packet.SetUInt((uint)RpcMessageResult.Accepted);
packet.AddNullAuthentication();
if (!NfsHandlerManager.IsProgramRegistered((int)programId)) {
packet.SetUInt((uint)RpcProcedure.ProgramUnavailable);
}
else {
// TODO: add version checking. we're only doing v2 right now.
// version mismatch gets the ProgMismatch value.
// result.AddLong(RPCConsts.RPCProgMismatch);
// result.AddLong(versmin);
// result.AddLong(versmax);
int port = NfsHandlerManager.GetPort((int)programId);
if (port == 0) {
packet.SetUInt((uint)RpcProcedure.ProgramMismatch);
}
else {
packet.SetUInt((uint)RpcProcedure.Success);
packet.SetUInt((uint)port);
}
}
Send(packet, receivedFrom);
}
private void Set(NfsPacket sourcePacket, IPEndPoint receivedFrom)
{
// skip past the authentication records
sourcePacket.ReadAuthentication();
sourcePacket.ReadAuthentication();
// Collect the arguments to the procedure
uint programId = sourcePacket.GetUInt();
uint version = sourcePacket.GetUInt();
uint protocol = sourcePacket.GetUInt();
uint port = sourcePacket.GetUInt();
NfsPacket packet = new NfsPacket(128);
packet.AddReplyHeader(sourcePacket.XID);
packet.SetUInt(PORTMAP_TRUE);
// portmapMapping toadd = new portmapMapping(prog, vers, prot);
// toadd.SetPort(port);
// XDRPacket result = new XDRPacket(128);
// result.AddReplyHeader(xid);
// // look for the chain of versions for this program
// long? pl = new long?(prog);
// portmapMapping chain = (portmapMapping)mappings[pl];
// if (chain == null) {
// mappings.Add(pl, toadd);
// result.AddLong(Portmap.PM_TRUE);
// }
// else {
// // See if this version is already registered in the chain
// while (chain != null) {
// if (chain.Version() == vers && chain.Protocol() == prot) {
// result.AddLong(Portmap.PM_FALSE);
// break;
// }
// else if (chain.Next() == null) {
// chain.SetNext(toadd);
// result.AddLong(Portmap.PM_TRUE);
// break;
// }
// chain = chain.Next();
// }
// }
Send(packet, receivedFrom);
}
internal virtual bool Read(NfsPacket packet)
{
_seconds = packet.GetUInt();
_milliseconds = packet.GetUInt();
return true;
}
