private static SSHConnection ConnectMain(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, ProtocolNegotiationHandler pnh, AbstractSocket s)
{
pnh.Wait();
if (pnh.State != ReceiverState.Ready)
{
throw new Exception(pnh.ErrorMessage);
}
string sv = pnh.ServerVersion;
SSHConnection con = null;
//if (param.Protocol == SSHProtocol.SSH1)
con = new SSH1Connection(param, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
//else
// con = new SSH2Connection(param, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
s.SetHandler(con.PacketBuilder());
SendMyVersion(s, param);
if (con.DoConnect(s) != GranadosRT.Routrek.SSHC.AuthenticationResult.Failure)
{
return(con);
}
else
{
s.Close();
return(null);
}
}
public void Disconnect(string msg)
{
if (_closed)
{
return;
}
SSH1DataWriter w = new SSH1DataWriter();
w.Write(msg);
SSH1Packet p = SSH1Packet.FromPlainPayload(PacketType.SSH_MSG_DISCONNECT, w.ToByteArray());
p.WriteTo(_stream, _tCipher);
_stream.Flush();
_closed = true;
_stream.Close();
}
internal override AuthenticationResult Connect(AbstractSocket s)
{
_stream = s;
// Phase2 receives server keys
ReceiveServerKeys();
if (_param.KeyCheck != null && !_param.KeyCheck(_cInfo))
{
_stream.Close();
return(AuthenticationResult.Failure);
}
// Phase3 generates session key
byte[] session_key = GenerateSessionKey();
// Phase4 establishes the session key
try {
_packetBuilder.SetSignal(false);
SendSessionKey(session_key);
InitCipher(session_key);
}
finally {
_packetBuilder.SetSignal(true);
}
ReceiveKeyConfirmation();
// Phase5 user authentication
SendUserName(_param.UserName);
if (ReceiveAuthenticationRequirement() == AUTH_REQUIRED)
{
if (_param.AuthenticationType == AuthenticationType.Password)
{
SendPlainPassword();
}
else if (_param.AuthenticationType == AuthenticationType.PublicKey)
{
DoRSAChallengeResponse();
}
bool auth = ReceiveAuthenticationResult();
if (!auth)
{
throw new SSHException(Strings.GetString("AuthenticationFailed"));
}
}
_packetBuilder.Handler = new CallbackSSH1PacketHandler(this);
return(AuthenticationResult.Success);
}
private static SSHConnection ConnectMain(SSHConnectionParameter param, ISSHConnectionEventReceiver receiver, ProtocolNegotiationHandler pnh, AbstractSocket s)
{
pnh.Wait();
if (pnh.State != ReceiverState.Ready) throw new Exception(pnh.ErrorMessage);
string sv = pnh.ServerVersion;
SSHConnection con = null;
//if (param.Protocol == SSHProtocol.SSH1)
// con = new SSH1Connection(param, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
//else
con = new SSH2Connection(param, receiver, sv, SSHUtil.ClientVersionString(param.Protocol));
s.SetHandler(con.PacketBuilder());
SendMyVersion(s, param);
if (con.DoConnect(s) != GranadosRT.Routrek.SSHC.AuthenticationResult.Failure)
return con;
else
{
s.Close();
throw new Exception(Strings.GetString("AuthenticationFailed"));
//return null;
}
}
public AuthenticationResult DoConnect(AbstractSocket target)
{
_stream = target;
KeyExchanger kex = new KeyExchanger(this, null);
if(!kex.SynchronousKexExchange()) {
_stream.Close();
return GranadosRT.Routrek.SSHC.AuthenticationResult.Failure;
}
//Step3 user authentication
ServiceRequest("ssh-userauth");
_authenticationResult = UserAuth();
return _authenticationResult;
}
public AuthenticationResult DoConnect(AbstractSocket target)
{
_stream = target;
// Phase2 receives server keys
ReceiveServerKeys();
if(_param.KeyCheck!=null && !_param.KeyCheck(_cInfo)) {
_stream.Close();
return GranadosRT.Routrek.SSHC.AuthenticationResult.Failure;
}
// Phase3 generates session key
byte[] session_key = GenerateSessionKey();
// Phase4 establishes the session key
try {
_packetBuilder.SetSignal(false);
SendSessionKey(session_key);
InitCipher(session_key);
}
finally {
_packetBuilder.SetSignal(true);
}
ReceiveKeyConfirmation();
// Phase5 user authentication
SendUserName(_param.UserName);
if(ReceiveAuthenticationRequirement()==AUTH_REQUIRED) {
if(_param.AuthenticationType==AuthenticationType.Password) {
SendPlainPassword();
} else if(_param.AuthenticationType==AuthenticationType.PublicKey) {
DoRSAChallengeResponse();
}
bool auth = ReceiveAuthenticationResult();
if(!auth) throw new Exception(Strings.GetString("AuthenticationFailed"));
}
_packetBuilder.Handler = new CallbackSSH1PacketHandler(this);
return GranadosRT.Routrek.SSHC.AuthenticationResult.Success;
}
