public Protocol()
{
_params = new SSHConnectionParameter();
_params.KeyCheck = delegate(SSHConnectionInfo info) {
//byte[] h = info.HostKeyMD5FingerPrint();
//foreach(byte b in h) Debug.Write(String.Format("{0:x2} ", b));
return true;
};
}
protected bool _execCmdWaitFlag; // wait response flag for sending exec command to server
protected SSHConnection(SSHConnectionParameter param, AbstractGranadosSocket strm, ISSHConnectionEventReceiver receiver) {
_param = (SSHConnectionParameter)param.Clone();
_stream = strm;
_eventReceiver = receiver;
_channel_collection = new ChannelCollection();
_autoDisconnect = true;
_execCmd = null;
_execCmdWaitFlag = true;
}
protected override void Negotiate() {
ITerminalParameter term = (ITerminalParameter)_destination.GetAdapter(typeof(ITerminalParameter));
ITCPParameter tcp = (ITCPParameter)_destination.GetAdapter(typeof(ITCPParameter));
SSHConnectionParameter con = new SSHConnectionParameter();
#if DEBUG
// con.EventTracer = new SSHDebugTracer();
#endif
con.Protocol = _destination.Method;
con.CheckMACError = PEnv.Options.SSHCheckMAC;
con.UserName = _destination.Account;
con.Password = _destination.PasswordOrPassphrase;
con.AuthenticationType = _destination.AuthenticationType;
con.IdentityFile = _destination.IdentityFileName;
con.TerminalWidth = term.InitialWidth;
con.TerminalHeight = term.InitialHeight;
con.TerminalName = term.TerminalType;
con.WindowSize = PEnv.Options.SSHWindowSize;
con.PreferableCipherAlgorithms = LocalSSHUtil.ParseCipherAlgorithm(PEnv.Options.CipherAlgorithmOrder);
con.PreferableHostKeyAlgorithms = LocalSSHUtil.ParsePublicKeyAlgorithm(PEnv.Options.HostKeyAlgorithmOrder);
con.AgentForward = _destination.AgentForward;
if (ProtocolsPlugin.Instance.ProtocolOptions.LogSSHEvents)
con.EventTracer = new SSHEventTracer(tcp.Destination);
if (_keycheck != null)
con.KeyCheck += new HostKeyCheckCallback(this.CheckKey);
SSHTerminalConnection r = new SSHTerminalConnection(_destination);
SSHConnection ssh = SSHConnection.Connect(con, r.ConnectionEventReceiver, _socket);
if (ssh != null) {
if (PEnv.Options.RetainsPassphrase && _destination.AuthenticationType != AuthenticationType.KeyboardInteractive)
ProtocolsPlugin.Instance.PassphraseCache.Add(tcp.Destination, _destination.Account, _destination.PasswordOrPassphrase); //接続成功時のみセット
//_destination.PasswordOrPassphrase = ""; 接続の複製のためにここで消さずに残しておく
r.AttachTransmissionSide(ssh);
r.UsingSocks = _socks != null;
_result = r;
}
else {
throw new IOException(PEnv.Strings.GetString("Message.SSHConnector.Cancelled"));
}
}
protected override void Negotiate()
{
SSHConnectionParameter con = new SSHConnectionParameter(_host, _port, SSHProtocol.SSH2, _profile.AuthType, _profile.SSHAccount, _password);
con.IdentityFile = _profile.PrivateKeyFile;
con.PreferableCipherAlgorithms = SSHUtil.ParseCipherAlgorithm(Env.Options.CipherAlgorithmOrder);
con.PreferableHostKeyAlgorithms = SSHUtil.ParsePublicKeyAlgorithm(Env.Options.HostKeyAlgorithmOrder);
con.WindowSize = Env.Options.SSHWindowSize;
con.CheckMACError = Env.Options.SSHCheckMAC;
if (_keycheck != null)
con.VerifySSHHostKey = this.CheckKey;
_result = ChannelFactory.Create(_profile);
ISSHConnection c = SSHConnection.Connect(
_socket, con,
sshconn => _result, null);
if (c != null) {
/*
if(_profile.ProtocolType==ProtocolType.Udp)
OpenUdpDestination(c, (UdpChannelFactory)_result);
else
*/
_result.FixConnection(c);
if (Env.Options.RetainsPassphrase)
_profile.Passphrase = _password; //接続成功時のみセット
}
else {
throw new IOException(Env.Strings.GetString("Message.ConnectionManager.ConnectionCancelled"));
}
}
private void SendMyVersion(SSHConnectionParameter param)
{
string cv = SSHUtil.ClientVersionString(param.Protocol);
string cv2 = cv + param.VersionEOL;
byte[] data = Encoding.ASCII.GetBytes(cv2);
_stream.Write(data, 0, data.Length);
TraceTransmissionEvent("client version-string", cv);
}
private static SSHConnection ConnectMain(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, VersionExchangeHandler pnh, AbstractGranadosSocket s)
{
DataFragment data = pnh.WaitResponse();
string sv = pnh.ServerVersion;
SSHConnection con = null;
if (param.Protocol == SSHProtocol.SSH1)
con = new SSH1Connection(param, s, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
else
con = new SSH2Connection(param, s, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
con.TraceReceptionEvent("server version-string", sv.Trim());
pnh.Close();
s.SetHandler(con.PacketBuilder);
con.SendMyVersion(param);
if (con.Connect() != AuthenticationResult.Failure) {
return con;
}
else {
s.Close();
return null;
}
}
/**
* opens another SSH connection via port-forwarded connection
*/
public SSHConnection OpenPortForwardedAnotherConnection(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, string host, int port)
{
ChannelSocket s = new ChannelSocket(null);
SSHChannel ch = ForwardPort(s, host, port, "localhost", 0);
s.SSHChennal = ch;
VersionExchangeHandler pnh = new VersionExchangeHandler(param, s);
s.SetHandler(pnh);
return ConnectMain(param, receiver, pnh, s);
}
/**
* open a new SSH connection via the .NET socket
*/
public static SSHConnection Connect(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, Socket underlying_socket)
{
if (param.UserName == null)
throw new InvalidOperationException("UserName property is not set");
if (param.AuthenticationType != AuthenticationType.KeyboardInteractive && param.Password == null)
throw new InvalidOperationException("Password property is not set");
PlainSocket s = new PlainSocket(underlying_socket, null);
VersionExchangeHandler pnh = new VersionExchangeHandler(param, s);
s.SetHandler(pnh);
s.RepeatAsyncRead();
return ConnectMain(param, receiver, pnh, s);
}
/// <summary>
/// Establish a SSH connection
/// </summary>
/// <param name="socket">TCP socket which is already connected to the server.</param>
/// <param name="param">SSH connection parameter</param>
/// <param name="connectionEventHandlerCreator">a factory function to create a connection event handler (can be null)</param>
/// <param name="protocolEventLoggerCreator">a factory function to create a protocol log event handler (can be null)</param>
/// <returns>new connection object</returns>
public static ISSHConnection Connect(
Socket socket,
SSHConnectionParameter param,
Func <ISSHConnection, ISSHConnectionEventHandler> connectionEventHandlerCreator = null,
Func <ISSHConnection, ISSHProtocolEventLogger> protocolEventLoggerCreator = null)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
if (param == null)
{
throw new ArgumentNullException("param");
}
if (!socket.Connected)
{
throw new ArgumentException("socket is not connected to the remote host", "socket");
}
if (param.UserName == null)
{
throw new ArgumentException("UserName property is not set", "param");
}
if (param.AuthenticationType != AuthenticationType.KeyboardInteractive && param.Password == null)
{
throw new ArgumentException("Password property is not set", "param");
}
string clientVersion = SSHUtil.ClientVersionString(param.Protocol);
PlainSocket psocket = new PlainSocket(socket, null);
try {
// receive protocol version string
SSHProtocolVersionReceiver protoVerReceiver = new SSHProtocolVersionReceiver();
protoVerReceiver.Receive(psocket, 5000);
// verify the version string
protoVerReceiver.Verify(param.Protocol);
ISSHConnection sshConnection;
if (param.Protocol == SSHProtocol.SSH1)
{
// create a connection object
var con = new SSH1Connection(
psocket,
param,
protoVerReceiver.ServerVersion,
clientVersion,
connectionEventHandlerCreator,
protocolEventLoggerCreator);
// start receiving loop
psocket.RepeatAsyncRead();
// send client version
con.SendMyVersion();
// establish a SSH connection
con.Connect();
sshConnection = con;
}
else
{
// create a connection object
var con = new SSH2Connection(
psocket,
param,
protoVerReceiver.ServerVersion,
clientVersion,
connectionEventHandlerCreator,
protocolEventLoggerCreator);
// start receiving loop
psocket.RepeatAsyncRead();
// send client version
con.SendMyVersion();
// establish a SSH connection
con.Connect();
sshConnection = con;
}
return(sshConnection);
}
catch (Exception) {
psocket.Close();
throw;
}
}
/**
* open a new SSH connection via the .NET socket
*/
public static SSHConnection Connect(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, Socket underlying_socket)
{
if (param.UserName == null)
throw new InvalidOperationException("UserName property is not set");
if (param.AuthenticationType != AuthenticationType.KeyboardInteractive && param.Password == null)
throw new InvalidOperationException("Password property is not set");
PlainSocket s = new PlainSocket(underlying_socket, null);
try {
SSHProtocolVersionReceiver protoVerReceiver = new SSHProtocolVersionReceiver();
protoVerReceiver.Receive(s, 5000);
protoVerReceiver.Verify(param.Protocol);
SSHConnection con;
if (param.Protocol == SSHProtocol.SSH1)
con = new SSH1Connection(param, s, receiver, protoVerReceiver.ServerVersion, SSHUtil.ClientVersionString(param.Protocol));
else
con = new SSH2Connection(param, s, receiver, protoVerReceiver.ServerVersion, SSHUtil.ClientVersionString(param.Protocol));
s.SetHandler(con.Packetizer);
s.RepeatAsyncRead();
con.SendMyVersion(param);
if (con.Connect() == AuthenticationResult.Failure) {
s.Close();
return null;
}
return con;
}
catch (Exception) {
s.Close();
throw;
}
}
public object Clone()
{
SSHConnectionParameter n = new SSHConnectionParameter();
n._authtype = _authtype;
n._cipherAlgorithms = _cipherAlgorithms;
n._height = _height;
n._hostkeyAlgorithms = _hostkeyAlgorithms;
n._identityFile = _identityFile;
n._keycheck = _keycheck;
n._maxpacketsize = _maxpacketsize;
n._password = _password;
n._protocol = _protocol;
n._terminalname = _terminalname;
n._username = _username;
n._width = _width;
n._windowsize = _windowsize;
n._checkMACError = _checkMACError;
n._tracer = _tracer;
n._agentForward = _agentForward;
return n;
}
/// <summary>
/// Establish a SSH connection
/// </summary>
/// <param name="socket">TCP socket which is already connected to the server.</param>
/// <param name="param">SSH connection parameter</param>
/// <param name="connectionEventHandlerCreator">a factory function to create a connection event handler (can be null)</param>
/// <param name="protocolEventLoggerCreator">a factory function to create a protocol log event handler (can be null)</param>
/// <returns>new connection object</returns>
public static ISSHConnection Connect(
Socket socket,
SSHConnectionParameter param,
Func<ISSHConnection, ISSHConnectionEventHandler> connectionEventHandlerCreator = null,
Func<ISSHConnection, ISSHProtocolEventLogger> protocolEventLoggerCreator = null)
{
if (socket == null) {
throw new ArgumentNullException("socket");
}
if (param == null) {
throw new ArgumentNullException("param");
}
if (!socket.Connected) {
throw new ArgumentException("socket is not connected to the remote host", "socket");
}
if (param.UserName == null) {
throw new ArgumentException("UserName property is not set", "param");
}
if (param.AuthenticationType != AuthenticationType.KeyboardInteractive && param.Password == null) {
throw new ArgumentException("Password property is not set", "param");
}
string clientVersion = SSHUtil.ClientVersionString(param.Protocol);
PlainSocket psocket = new PlainSocket(socket, null);
try {
// receive protocol version string
SSHProtocolVersionReceiver protoVerReceiver = new SSHProtocolVersionReceiver();
protoVerReceiver.Receive(psocket, 5000);
// verify the version string
protoVerReceiver.Verify(param.Protocol);
ISSHConnection sshConnection;
if (param.Protocol == SSHProtocol.SSH1) {
// create a connection object
var con = new SSH1Connection(
psocket,
param,
protoVerReceiver.ServerVersion,
clientVersion,
connectionEventHandlerCreator,
protocolEventLoggerCreator);
// start receiving loop
psocket.RepeatAsyncRead();
// send client version
con.SendMyVersion();
// establish a SSH connection
con.Connect();
sshConnection = con;
}
else {
// create a connection object
var con = new SSH2Connection(
psocket,
param,
protoVerReceiver.ServerVersion,
clientVersion,
connectionEventHandlerCreator,
protocolEventLoggerCreator);
// start receiving loop
psocket.RepeatAsyncRead();
// send client version
con.SendMyVersion();
// establish a SSH connection
con.Connect();
sshConnection = con;
}
return sshConnection;
}
catch (Exception) {
psocket.Close();
throw;
}
}
protected override void Negotiate() {
SSHConnectionParameter con = new SSHConnectionParameter();
con.Protocol = SSHProtocol.SSH2;
con.UserName = _profile.SSHAccount;
con.Password = _password;
con.AuthenticationType = _profile.AuthType;
con.IdentityFile = _profile.PrivateKeyFile;
con.PreferableCipherAlgorithms = SSHUtil.ParseCipherAlgorithm(Env.Options.CipherAlgorithmOrder);
con.PreferableHostKeyAlgorithms = SSHUtil.ParsePublicKeyAlgorithm(Env.Options.HostKeyAlgorithmOrder);
con.WindowSize = Env.Options.SSHWindowSize;
con.CheckMACError = Env.Options.SSHCheckMAC;
if (_keycheck != null)
con.KeyCheck += new HostKeyCheckCallback(this.CheckKey);
_result = ChannelFactory.Create(_profile);
SSHConnection c = SSHConnection.Connect(con, _result, _socket);
c.AutoDisconnect = false;
if (c != null) {
/*
if(_profile.ProtocolType==ProtocolType.Udp)
OpenUdpDestination(c, (UdpChannelFactory)_result);
else
*/
_result.FixConnection(c);
if (Env.Options.RetainsPassphrase)
_profile.Passphrase = _password; //接続成功時のみセット
}
else {
throw new IOException(Env.Strings.GetString("Message.ConnectionManager.ConnectionCancelled"));
}
}
static void Main(string[] args)
{
/*
string cn = System.Threading.Thread.CurrentThread.CurrentUICulture.Name;
string t1 = Routrek.SSHC.Strings.GetString("NotSSHServer");
System.Threading.Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo("ja");
Routrek.SSHC.Strings.Reload();
string t2 = Routrek.SSHC.Strings.GetString("NotSSHServer");
*/
#if false //RSA keygen
//RSA KEY GENERATION TEST
byte[] testdata = Encoding.ASCII.GetBytes("CHRISTIAN VIERI");
RSAKeyPair kp = RSAKeyPair.GenerateNew(2048, new Random());
byte[] sig = kp.Sign(testdata);
kp.Verify(sig, testdata);
new SSH2UserAuthKey(kp).WritePublicPartInOpenSSHStyle(new FileStream("C:\\IOPort\\newrsakey", FileMode.Create));
//SSH2UserAuthKey newpk = SSH2PrivateKey.FromSECSHStyleFile("C:\\IOPort\\newrsakey", "nedved");
#endif
#if false //DSA keygen
//DSA KEY GENERATION TEST
byte[] testdata = Encoding.ASCII.GetBytes("CHRISTIAN VIERI 0000");
DSAKeyPair kp = DSAKeyPair.GenerateNew(2048, new Random());
byte[] sig = kp.Sign(testdata);
kp.Verify(sig, testdata);
new SSH2UserAuthKey(kp).WritePublicPartInOpenSSHStyle(new FileStream("C:\\IOPort\\newdsakey", FileMode.Create));
//SSH2PrivateKey newpk = SSH2PrivateKey.FromSECSHStyleFile("C:\\IOPort\\newdsakey", "nedved");
#endif
SSHConnectionParameter f = new SSHConnectionParameter();
f.UserName = "******";
#if false //SSH1
//SSH1
f.Password = "";
f.Protocol = SSHProtocol.SSH2;
f.AuthenticationType = AuthenticationType.Password;
f.PreferableCipherAlgorithms = new CipherAlgorithm[] { CipherAlgorithm.Blowfish, CipherAlgorithm.TripleDES };
#else //SSH2
f.Password = "";
f.Protocol = SSHProtocol.SSH2;
f.AuthenticationType = AuthenticationType.Password;
f.WindowSize = 0x1000;
#endif
Reader reader = new Reader();
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//s.Blocking = false;
s.Connect(new IPEndPoint(IPAddress.Parse("192.168.1.1"), 22));
_conn = SSHConnection.Connect(f, reader, s);
reader._conn = _conn;
#if false //Remote->Local
_conn.ListenForwardedPort("0.0.0.0", 29472);
#elif false //Local->Remote
SSHChannel ch = _conn.ForwardPort(reader, "www.yahoo.co.jp", 80, "localhost", 0);
reader._pf = ch;
while(!reader._ready) System.Threading.Thread.Sleep(100);
reader._pf.Transmit(Encoding.ASCII.GetBytes("GET / HTTP/1.0\r\n\r\n"));
#elif false //SSH over SSH
f.Password = "******";
SSHConnection con2 = _conn.OpenPortForwardedAnotherConnection(f, reader, "kuromatsu", 22);
reader._conn = con2;
SSHChannel ch = con2.OpenShell(reader);
reader._pf = ch;
#else //normal shell
SSHChannel ch = _conn.OpenShell(reader);
reader._pf = ch;
#endif
//Debug.WriteLine(_conn.ConnectionInfo.DumpHostKeyInKnownHostsStyle());
SSHConnectionInfo ci = _conn.ConnectionInfo;
Thread.Sleep(1000);
//((SSH2Connection)_conn).ReexchangeKeys();
byte[] b = new byte[1];
while(true) {
int input = System.Console.Read();
b[0] = (byte)input;
//Debug.WriteLine(input);
reader._pf.Transmit(b);
}
}
protected override void Negotiate()
{
ITerminalParameter term = (ITerminalParameter)_destination.GetAdapter(typeof(ITerminalParameter));
ITCPParameter tcp = (ITCPParameter)_destination.GetAdapter(typeof(ITCPParameter));
SSHTerminalConnection terminalConnection = new SSHTerminalConnection(_destination);
SSHConnectionParameter con =
new SSHConnectionParameter(
tcp.Destination,
tcp.Port,
_destination.Method,
_destination.AuthenticationType,
_destination.Account,
_destination.PasswordOrPassphrase);
#if DEBUG
// con.EventTracer = new SSHDebugTracer();
#endif
con.Protocol = _destination.Method;
con.CheckMACError = PEnv.Options.SSHCheckMAC;
con.UserName = _destination.Account;
con.Password = _destination.PasswordOrPassphrase;
con.AuthenticationType = _destination.AuthenticationType;
con.IdentityFile = _destination.IdentityFileName;
con.TerminalWidth = term.InitialWidth;
con.TerminalHeight = term.InitialHeight;
con.TerminalName = term.TerminalType;
con.WindowSize = PEnv.Options.SSHWindowSize;
con.PreferableCipherAlgorithms =
LocalSSHUtil.AppendMissingCipherAlgorithm(
LocalSSHUtil.ParseCipherAlgorithm(PEnv.Options.CipherAlgorithmOrder));
con.PreferableHostKeyAlgorithms =
LocalSSHUtil.AppendMissingPublicKeyAlgorithm(
LocalSSHUtil.ParsePublicKeyAlgorithm(PEnv.Options.HostKeyAlgorithmOrder));
con.AgentForwardingAuthKeyProvider = _destination.AgentForwardingAuthKeyProvider;
con.X11ForwardingParams = _destination.X11Forwarding;
if (_keycheck != null) {
con.VerifySSHHostKey = (info) => {
return _keycheck.Vefiry(info);
};
}
con.KeyboardInteractiveAuthenticationHandlerCreator =
sshconn => terminalConnection.GetKeyboardInteractiveAuthenticationHandler();
ISSHProtocolEventLogger protocolEventLogger;
if (ProtocolsPlugin.Instance.ProtocolOptions.LogSSHEvents) {
protocolEventLogger = new SSHEventTracer(tcp.Destination);
}
else {
protocolEventLogger = null;
}
var connection = SSHConnection.Connect(_socket, con,
sshconn => terminalConnection.ConnectionEventReceiver,
sshconn => protocolEventLogger);
if (PEnv.Options.RetainsPassphrase && _destination.AuthenticationType != AuthenticationType.KeyboardInteractive) {
ProtocolsPlugin.Instance.PassphraseCache.Add(tcp.Destination, _destination.Account, _destination.PasswordOrPassphrase); //接続成功時のみセット
}
//_destination.PasswordOrPassphrase = ""; 接続の複製のためにここで消さずに残しておく
terminalConnection.AttachTransmissionSide(connection, connection.AuthenticationStatus);
_result = terminalConnection;
}
public void setTerminalParams(string type, int rows, int cols)
{
_params = new SSHConnectionParameter();
TerminalName = type;
TerminalHeight = rows;
TerminalWidth = cols;
}
