private void OnRequested(IAsyncResult r)
{
try {
if (_closed)
{
return; //SSH切断があったときは非同期受信から戻ってくるが、EndAcceptを呼んでもObjectDisposedExceptionになるだけ
}
Socket local = _bindedLocalSocket.EndAccept(r);
//Port Forwarding
Channel newchannel = new Channel(_profile.SSHHost, local.RemoteEndPoint.ToString(), _id, null, local);
lock (_connection) {
SSHChannel remote = _connection.ForwardPort(newchannel, _profile.DestinationHost, _profile.DestinationPort, "localhost", 0); //!!最後の２つの引数未完
Debug.WriteLine("OnRequested ch=" + remote.LocalChannelID);
newchannel.FixChannel(remote);
newchannel.StartAsyncReceive();
}
}
catch (Exception ex) {
if (!_closed)
{
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
Util.InterThreadWarning(ex.Message);
}
}
finally {
if (!_closed)
{
_bindedLocalSocket.BeginAccept(new AsyncCallback(OnRequested), null);
Debug.WriteLine("BeginAccept again");
}
}
}
public RemotePortForwardingReply OnRemotePortForwardingRequest(RemotePortForwardingRequest request, ISSHChannel channel)
{
try {
if (!_profile.AllowsForeignConnection && !IsLoopbackAddress(request.OriginatorIp))
{
return(RemotePortForwardingReply.Reject(
RemotePortForwardingReply.Reason.AdministrativelyProhibited, "rejected"));
}
Socket local = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
local.Connect(new IPEndPoint(Util.ResolveHost(_profile.DestinationHost), _profile.DestinationPort));
var newChannel =
new Channel(
_profile.SSHHost, _profile.DestinationHost, (int)channel.LocalChannel, channel, local);
newChannel.StartAsyncReceive();
return(RemotePortForwardingReply.Accept(newChannel));
}
catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
Util.InterThreadWarning(ex.Message);
return(RemotePortForwardingReply.Reject(
RemotePortForwardingReply.Reason.AdministrativelyProhibited, "rejected"));
}
}
public override void EstablishPortforwarding(ISSHChannelEventReceiver receiver, SSHChannel channel)
{
try {
Channel ch = (Channel)receiver;
ch.FixChannel(channel);
ch.OnChannelReady();
ch.StartAsyncReceive();
}
catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
Util.InterThreadWarning(ex.Message);
}
}
private void OnRequested(IAsyncResult r)
{
try {
Socket local = _bindedLocalSocket.EndAccept(r);
//Port Forwarding
Channel newchannel = new Channel(_profile.SSHHost, local.RemoteEndPoint.ToString(), _id, null, local);
lock(_connection) {
SSHChannel remote = _connection.ForwardPort(newchannel, _profile.DestinationHost, _profile.DestinationPort, "localhost", 0); //!!�Ō�̂Q�̈�������
Debug.WriteLine("OnRequested ch="+remote.LocalChannelID);
newchannel.FixChannel(remote);
newchannel.StartAsyncReceive();
}
}
catch(Exception ex) {
if(!_closed) {
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
Util.InterThreadWarning(ex.Message);
}
}
finally {
if(!_closed)
_bindedLocalSocket.BeginAccept(new AsyncCallback(OnRequested), null);
}
}
private void OnRequested(IAsyncResult r) {
try {
if (_closed)
return; //SSH切断があったときは非同期受信から戻ってくるが、EndAcceptを呼んでもObjectDisposedExceptionになるだけ
Socket local = _bindedLocalSocket.EndAccept(r);
//Port Forwarding
Channel newchannel = new Channel(_profile.SSHHost, local.RemoteEndPoint.ToString(), _id, null, local);
lock (_connection) {
SSHChannel remote = _connection.ForwardPort(newchannel, _profile.DestinationHost, _profile.DestinationPort, "localhost", 0); //!!最後の２つの引数未完
Debug.WriteLine("OnRequested ch=" + remote.LocalChannelID);
newchannel.FixChannel(remote);
newchannel.StartAsyncReceive();
}
}
catch (Exception ex) {
if (!_closed) {
Debug.WriteLine(ex.Message);
Debug.WriteLine(ex.StackTrace);
Util.InterThreadWarning(ex.Message);
}
}
finally {
if (!_closed) {
_bindedLocalSocket.BeginAccept(new AsyncCallback(OnRequested), null);
Debug.WriteLine("BeginAccept again");
}
}
}
public RemotePortForwardingReply OnRemotePortForwardingRequest(RemotePortForwardingRequest request, ISSHChannel channel)
{
try {
if (!_profile.AllowsForeignConnection && !IsLoopbackAddress(request.OriginatorIp)) {
return RemotePortForwardingReply.Reject(
RemotePortForwardingReply.Reason.AdministrativelyProhibited, "rejected");
}
Socket local = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
local.Connect(new IPEndPoint(Util.ResolveHost(_profile.DestinationHost), _profile.DestinationPort));
var newChannel =
new Channel(
_profile.SSHHost, _profile.DestinationHost, (int)channel.LocalChannel, channel, local);
newChannel.StartAsyncReceive();
return RemotePortForwardingReply.Accept(newChannel);
}
catch (Exception ex) {
Debug.WriteLine(ex.StackTrace);
Util.InterThreadWarning(ex.Message);
return RemotePortForwardingReply.Reject(
RemotePortForwardingReply.Reason.AdministrativelyProhibited, "rejected");
}
}