/*
* public void finalize() throws Throwable{
* disconnect();
* super.finalize();
* session=null;
* }
*/
public virtual void disconnect()
{
//System.Out.println(this+":disconnect "+io+" "+io.in);
if (!connected)
{
return;
}
connected = false;
close();
_eof_remote = eof_local = true;
thread = null;
try {
if (io != null)
{
io.close();
}
}
catch (Exception) {
//e.printStackTrace();
}
io = null;
AChannel.del(this);
}
internal static void disconnect(Session session)
{
AChannel[] channels = null;
int count = 0;
lock (pool) {
channels = new AChannel[pool.Count];
for (int i = 0; i < pool.Count; i++)
{
try {
AChannel c = ((AChannel)(pool[i]));
if (c.session == session)
{
channels[count++] = c;
}
}
catch (Exception) {
}
}
}
for (int i = 0; i < count; i++)
{
channels[i].disconnect();
}
}
public void request(Session session, AChannel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(StringAux.getBytes("signal"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(StringAux.getBytes(signal));
session.write(packet);
}
internal static AChannel getChannel(int id, Session session)
{
lock (pool) {
for (int i = 0; i < pool.Count; i++)
{
AChannel c = (AChannel)(pool[i]);
if (c.id == id && c.session == session)
{
return(c);
}
}
}
return(null);
}
public void request(Session session, AChannel channel)
{
Packet packet = session.packet;
Buffer buf = session.buf;
// send
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "exec"
// boolean want reply // 0
// string command
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(StringAux.getBytesUTF8("exec"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(StringAux.getBytesUTF8(command));
session.write(packet);
}
public override void disconnect()
{
close();
thread = null;
try {
if (io != null)
{
try {
if (io.ins != null)
{
io.ins.Close();
}
}
catch {
}
try {
if (io.outs != null)
{
io.outs.Close();
}
}
catch {
}
}
try {
if (socket != null)
{
socket.Close();
}
}
catch {
}
}
catch (Exception e) {
Console.WriteLine(e.StackTrace);
}
io = null;
AChannel.del(this);
}
public void request(Session session, AChannel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
// byte SSH_MSG_CHANNEL_REQUEST(98)
// uint32 recipient channel
// string request type // "x11-req"
// boolean want reply // 0
// boolean single connection
// string x11 authentication protocol // "MIT-MAGIC-COOKIE-1".
// string x11 authentication cookie
// uint32 x11 screen number
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(StringAux.getBytes("x11-req"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putByte((byte)0);
buf.putString(StringAux.getBytes("MIT-MAGIC-COOKIE-1"));
buf.putString(ChannelX11.getFakedCookie(session));
buf.putInt(0);
session.write(packet);
}
public void request(Session session, AChannel channel)
{
Buffer buf = new Buffer();
Packet packet = new Packet(buf);
bool reply = waitForReply();
if (reply)
{
channel.reply = -1;
}
packet.reset();
buf.putByte((byte)Session.SSH_MSG_CHANNEL_REQUEST);
buf.putInt(channel.getRecipient());
buf.putString(StringAux.getBytesUTF8("subsystem"));
buf.putByte((byte)(waitForReply() ? 1 : 0));
buf.putString(StringAux.getBytesUTF8(subsystem));
session.write(packet);
if (reply)
{
while (channel.reply == -1)
{
try {
ThreadAux.Sleep(10);
}
catch (System.Exception) {
}
}
if (channel.reply == 0)
{
throw new SshClientException("failed to send subsystem request");
}
}
}
internal static void del(AChannel c)
{
lock (pool) {
pool.Remove(c);
}
}
public void request(Session session, AChannel channel, String subsystem, bool want_reply)
{
this.subsystem = subsystem;
this.want_reply = want_reply;
this.request(session, channel);
}
public override void connect()
{
try {
if (!session.isConnected())
{
throw new SshClientException("session is down");
}
Buffer buf = new Buffer(150);
Packet packet = new Packet(buf);
// send
// byte SSH_MSG_CHANNEL_OPEN(90)
// string channel type //
// uint32 sender channel // 0
// uint32 initial window size // 0x100000(65536)
// uint32 maxmum packet size // 0x4000(16384)
packet.reset();
buf.putByte((byte)90);
buf.putString(StringAux.getBytes("direct-tcpip"));
buf.putInt(id);
buf.putInt(lwsize);
buf.putInt(lmpsize);
buf.putString(StringAux.getBytes(host));
buf.putInt(port);
buf.putString(StringAux.getBytes(originator_IP_address));
buf.putInt(originator_port);
session.write(packet);
int retry = 1000;
try {
while (this.getRecipient() == -1 &&
session.isConnected() &&
retry > 0 &&
!_eof_remote)
{
//Thread.sleep(500);
ThreadAux.Sleep(50);
retry--;
}
}
catch {
}
if (!session.isConnected())
{
throw new SshClientException("session is down");
}
if (retry == 0 || this._eof_remote)
{
throw new SshClientException("channel is not opened.");
}
/*
* if(this.eof_remote){ // failed to open
* disconnect();
* return;
* }
*/
connected = true;
thread = new ThreadAux(this);
thread.start();
}
catch (Exception e) {
io.close();
io = null;
AChannel.del(this);
if (e is SshClientException)
{
throw (SshClientException)e;
}
}
}
