/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns>Result of authentication process.</returns>
public override AuthenticationResult Authenticate(Session session)
{
_session = session;
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.UserAuthenticationInformationRequestReceived += Session_UserAuthenticationInformationRequestReceived;
session.RegisterMessage("SSH_MSG_USERAUTH_INFO_REQUEST");
try
{
session.SendMessage(_requestMessage);
session.WaitOnHandle(_authenticationCompleted);
}
finally
{
session.UnRegisterMessage("SSH_MSG_USERAUTH_INFO_REQUEST");
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.UserAuthenticationInformationRequestReceived -= Session_UserAuthenticationInformationRequestReceived;
}
if (_exception != null)
throw _exception;
return _authenticationResult;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns>
/// Result of authentication process.
/// </returns>
/// <exception cref="System.ArgumentNullException"><paramref name="session" /> is null.</exception>
public override AuthenticationResult Authenticate(Session session)
{
if (session == null)
throw new ArgumentNullException("session");
_session = session;
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.MessageReceived += Session_MessageReceived;
try
{
session.RegisterMessage("SSH_MSG_USERAUTH_PASSWD_CHANGEREQ");
session.SendMessage(_requestMessage);
session.WaitOnHandle(_authenticationCompleted);
}
finally
{
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.MessageReceived -= Session_MessageReceived;
}
if (_exception != null)
throw _exception;
return _authenticationResult;
}
internal ShellStream(Session session, string terminalName, uint columns, uint rows, uint width, uint height, int maxLines, PrivateKeyAgent forwardedPrivateKeyAgent, params KeyValuePair<TerminalModes, uint>[] terminalModeValues)
{
this._encoding = new Renci.SshNet.Common.ASCIIEncoding();
this._session = session;
this._incoming = new Queue<byte>();
this._outgoing = new Queue<byte>();
this._channel = this._session.CreateChannel<ChannelSession>();
this._channel.DataReceived += new EventHandler<ChannelDataEventArgs>(Channel_DataReceived);
this._channel.Closed += new EventHandler<ChannelEventArgs>(Channel_Closed);
this._session.Disconnected += new EventHandler<EventArgs>(Session_Disconnected);
this._session.ErrorOccured += new EventHandler<ExceptionEventArgs>(Session_ErrorOccured);
this.forwardedPrivateKeyAgent = forwardedPrivateKeyAgent;
this._channel.Open();
if (this.forwardedPrivateKeyAgent != null)
{
if (this._channel.SendPrivateKeyAgentForwardingRequest())
{
this._session.RegisterMessage("SSH_MSG_CHANNEL_OPEN");
this._session.ChannelOpenReceived += OnChannelOpen;
}
}
this._channel.SendPseudoTerminalRequest(terminalName, columns, rows, width, height, terminalModeValues);
this._channel.SendShellRequest();
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns>Result of authentication process.</returns>
public override AuthenticationResult Authenticate(Session session)
{
this._session = session;
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.MessageReceived += Session_MessageReceived;
session.RegisterMessage("SSH_MSG_USERAUTH_INFO_REQUEST");
session.SendMessage(this._requestMessage);
session.WaitOnHandle(this._authenticationCompleted);
session.UnRegisterMessage("SSH_MSG_USERAUTH_INFO_REQUEST");
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.MessageReceived -= Session_MessageReceived;
if (this._exception != null)
{
throw this._exception;
}
return this._authenticationResult;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns>
/// Result of authentication process.
/// </returns>
/// <exception cref="System.ArgumentNullException"><paramref name="session" /> is null.</exception>
public override AuthenticationResult Authenticate(Session session)
{
if (session == null)
throw new ArgumentNullException("session");
this._session = session;
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.MessageReceived += Session_MessageReceived;
session.RegisterMessage("SSH_MSG_USERAUTH_PASSWD_CHANGEREQ");
session.SendMessage(this._requestMessage);
session.WaitHandle(this._authenticationCompleted);
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.MessageReceived -= Session_MessageReceived;
if (this._exception != null)
{
throw this._exception;
}
return this._authenticationResult;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns>
/// Result of authentication process.
/// </returns>
public override AuthenticationResult Authenticate(Session session)
{
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.MessageReceived += Session_MessageReceived;
session.RegisterMessage("SSH_MSG_USERAUTH_PK_OK");
foreach (var keyFile in KeyFiles)
{
_authenticationCompleted.Reset();
_isSignatureRequired = false;
var message = new RequestMessagePublicKey(ServiceName.Connection, Username, keyFile.HostKey.Name, keyFile.HostKey.Data);
if (KeyFiles.Count < 2)
{
// If only one key file provided then send signature for very first request
var signatureData = new SignatureData(message, session.SessionId).GetBytes();
message.Signature = keyFile.HostKey.Sign(signatureData);
}
// Send public key authentication request
session.SendMessage(message);
session.WaitOnHandle(_authenticationCompleted);
if (_isSignatureRequired)
{
_authenticationCompleted.Reset();
var signatureMessage = new RequestMessagePublicKey(ServiceName.Connection, Username, keyFile.HostKey.Name, keyFile.HostKey.Data);
var signatureData = new SignatureData(message, session.SessionId).GetBytes();
signatureMessage.Signature = keyFile.HostKey.Sign(signatureData);
// Send public key authentication request with signature
session.SendMessage(signatureMessage);
}
session.WaitOnHandle(_authenticationCompleted);
if (_authenticationResult == AuthenticationResult.Success)
{
break;
}
}
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.MessageReceived -= Session_MessageReceived;
session.UnRegisterMessage("SSH_MSG_USERAUTH_PK_OK");
return _authenticationResult;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns></returns>
public override AuthenticationResult Authenticate(Session session)
{
if (this.Protocol == null)
return AuthenticationResult.Failure;
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.MessageReceived += Session_MessageReceived;
session.RegisterMessage("SSH_MSG_USERAUTH_PK_OK");
foreach (var identity in this.Protocol.GetIdentities())
{
this._authenticationCompleted.Reset();
this._isSignatureRequired = false;
var message = new RequestMessagePublicKey(ServiceName.Connection, this.Username, identity.Type, identity.Blob);
// Send public key authentication request
session.SendMessage(message);
session.WaitOnHandle(this._authenticationCompleted);
if (this._isSignatureRequired)
{
this._authenticationCompleted.Reset();
var signatureMessage = new RequestMessagePublicKey(ServiceName.Connection, this.Username, identity.Type, identity.Blob);
var signatureData = new SignatureData(message, session.SessionId).GetBytes();
signatureMessage.Signature = this.Protocol.SignData(identity, signatureData);
// Send public key authentication request with signature
session.SendMessage(signatureMessage);
}
session.WaitOnHandle(this._authenticationCompleted);
if (this._authenticationResult == AuthenticationResult.Success)
{
break;
}
}
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.MessageReceived -= Session_MessageReceived;
session.UnRegisterMessage("SSH_MSG_USERAUTH_PK_OK");
return this._authenticationResult;
}
/// <summary>
/// Initializes a new instance of the <see cref="SshCommand"/> class.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="commandText">The command text.</param>
/// <param name="encoding">The encoding.</param>
internal SshCommand(Session session, string commandText, Encoding encoding)
{
if (session == null)
throw new ArgumentNullException("session");
this._encoding = encoding;
this._session = session;
this.CommandText = commandText;
this.CommandTimeout = new TimeSpan(0, 0, 0, 0, -1);
this._session.Disconnected += Session_Disconnected;
this._session.ErrorOccured += Session_ErrorOccured;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session.</param>
/// <returns></returns>
public override AuthenticationResult Authenticate(Session session)
{
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.SendMessage(new RequestMessageNone(ServiceName.Connection, this.Username));
session.WaitHandle(this._authenticationCompleted);
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
return this._authenticationResult;
}
/// <summary>
/// Initializes a new instance of the <see cref="Shell"/> class.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="input">The input.</param>
/// <param name="output">The output.</param>
/// <param name="extendedOutput">The extended output.</param>
/// <param name="terminalName">Name of the terminal.</param>
/// <param name="columns">The columns.</param>
/// <param name="rows">The rows.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="terminalMode">The terminal mode.</param>
/// <param name="bufferSize">Size of the buffer for output stream.</param>
internal Shell(Session session, Stream input, Stream output, Stream extendedOutput, string terminalName, uint columns, uint rows, uint width, uint height, string terminalMode, int bufferSize)
{
this._session = session;
this._input = input;
this._outputStream = output;
this._extendedOutputStream = extendedOutput;
this._terminalName = terminalName;
this._columns = columns;
this._rows = rows;
this._width = width;
this._height = height;
this._terminalMode = terminalMode;
this._bufferSize = bufferSize;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session.</param>
/// <returns>
/// Result of authentication process.
/// </returns>
/// <exception cref="System.ArgumentNullException"><paramref name="session" /> is null.</exception>
public override AuthenticationResult Authenticate(Session session)
{
if (session == null)
throw new ArgumentNullException("session");
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.SendMessage(new RequestMessageNone(ServiceName.Connection, this.Username));
session.WaitOnHandle(this._authenticationCompleted);
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
return this._authenticationResult;
}
internal ShellStream(Session session, string terminalName, uint columns, uint rows, uint width, uint height, int maxLines, IDictionary<TerminalModes, uint> terminalModeValues)
{
this._encoding = session.ConnectionInfo.Encoding;
this._session = session;
this._incoming = new Queue<byte>();
this._outgoing = new Queue<byte>();
this._channel = this._session.CreateChannel<ChannelSession>();
this._channel.DataReceived += new EventHandler<ChannelDataEventArgs>(Channel_DataReceived);
this._channel.Closed += new EventHandler<ChannelEventArgs>(Channel_Closed);
this._session.Disconnected += new EventHandler<EventArgs>(Session_Disconnected);
this._session.ErrorOccured += new EventHandler<ExceptionEventArgs>(Session_ErrorOccured);
this._channel.Open();
this._channel.SendPseudoTerminalRequest(terminalName, columns, rows, width, height, terminalModeValues);
this._channel.SendShellRequest();
}
private bool TryAuthenticate(Session session, IList<string> allowedAuthenticationMethods, IList<AuthenticationMethod> failedAuthenticationMethods, ref SshAuthenticationException authenticationException)
{
if (!allowedAuthenticationMethods.Any())
{
authenticationException = new SshAuthenticationException("No authentication methods defined on SSH server.");
return false;
}
// we want to try authentication methods in the order in which they were
// passed in the ctor, not the order in which the SSH server returns
// the allowed authentication methods
var matchingAuthenticationMethods = AuthenticationMethods.Where(a => allowedAuthenticationMethods.Contains(a.Name)).ToList();
if (!matchingAuthenticationMethods.Any())
{
authenticationException = new SshAuthenticationException(string.Format("No suitable authentication method found to complete authentication ({0}).", string.Join(",", allowedAuthenticationMethods.ToArray())));
return false;
}
foreach (var authenticationMethod in matchingAuthenticationMethods)
{
if (failedAuthenticationMethods.Contains(authenticationMethod))
continue;
var authenticationResult = authenticationMethod.Authenticate(session);
switch (authenticationResult)
{
case AuthenticationResult.PartialSuccess:
if (TryAuthenticate(session, authenticationMethod.AllowedAuthentications.ToList(), failedAuthenticationMethods, ref authenticationException))
authenticationResult = AuthenticationResult.Success;
break;
case AuthenticationResult.Failure:
failedAuthenticationMethods.Add(authenticationMethod);
authenticationException = new SshAuthenticationException(string.Format("Permission denied ({0}).", authenticationMethod.Name));
break;
case AuthenticationResult.Success:
authenticationException = null;
break;
}
if (authenticationResult == AuthenticationResult.Success)
return true;
}
return false;
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to be authenticated.</param>
/// <exception cref="ArgumentNullException"><paramref name="session"/> is null.</exception>
/// <exception cref="SshAuthenticationException">No suitable authentication method found to complete authentication, or permission denied.</exception>
public void Authenticate(Session session)
{
if (session == null)
throw new ArgumentNullException("session");
session.RegisterMessage("SSH_MSG_USERAUTH_FAILURE");
session.RegisterMessage("SSH_MSG_USERAUTH_SUCCESS");
session.RegisterMessage("SSH_MSG_USERAUTH_BANNER");
session.UserAuthenticationBannerReceived += Session_UserAuthenticationBannerReceived;
try
{
// the exception to report an authentication failure with
SshAuthenticationException authenticationException = null;
// try to authenticate against none
var noneAuthenticationMethod = new NoneAuthenticationMethod(this.Username);
var authenticated = noneAuthenticationMethod.Authenticate(session);
if (authenticated != AuthenticationResult.Success)
{
var failedAuthenticationMethods = new List<AuthenticationMethod>();
if (TryAuthenticate(session, noneAuthenticationMethod.AllowedAuthentications.ToList(), failedAuthenticationMethods, ref authenticationException))
{
authenticated = AuthenticationResult.Success;
}
}
this.IsAuthenticated = authenticated == AuthenticationResult.Success;
if (!IsAuthenticated)
throw authenticationException;
}
finally
{
session.UserAuthenticationBannerReceived -= Session_UserAuthenticationBannerReceived;
session.UnRegisterMessage("SSH_MSG_USERAUTH_FAILURE");
session.UnRegisterMessage("SSH_MSG_USERAUTH_SUCCESS");
session.UnRegisterMessage("SSH_MSG_USERAUTH_BANNER");
}
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to be authenticated.</param>
/// <returns>true if authenticated; otherwise false.</returns>
/// <exception cref="ArgumentNullException"><paramref name="session"/> is null.</exception>
public bool Authenticate(Session session)
{
if (session == null)
throw new ArgumentNullException("session");
this.Session = session;
this.Session.RegisterMessage("SSH_MSG_USERAUTH_FAILURE");
this.Session.RegisterMessage("SSH_MSG_USERAUTH_SUCCESS");
this.Session.RegisterMessage("SSH_MSG_USERAUTH_BANNER");
this.Session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
this.Session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessMessageReceived;
this.Session.UserAuthenticationBannerReceived += Session_UserAuthenticationBannerMessageReceived;
this.Session.MessageReceived += Session_MessageReceived;
this.OnAuthenticate();
this.Session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
this.Session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessMessageReceived;
this.Session.UserAuthenticationBannerReceived -= Session_UserAuthenticationBannerMessageReceived;
this.Session.MessageReceived -= Session_MessageReceived;
this.Session.UnRegisterMessage("SSH_MSG_USERAUTH_FAILURE");
this.Session.UnRegisterMessage("SSH_MSG_USERAUTH_SUCCESS");
this.Session.UnRegisterMessage("SSH_MSG_USERAUTH_BANNER");
return this.IsAuthenticated;
}
/// <summary> /// Authenticates the specified session. /// </summary> /// <param name="session">The session to authenticate.</param> /// <returns></returns> public abstract AuthenticationResult Authenticate(Session session);
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to authenticate.</param>
/// <returns></returns>
public override AuthenticationResult Authenticate(Session session)
{
if (this.PrivateKeyAgent.Value == null)
return AuthenticationResult.Failure;
session.UserAuthenticationSuccessReceived += Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived += Session_UserAuthenticationFailureReceived;
session.MessageReceived += Session_MessageReceived;
session.RegisterMessage("SSH_MSG_USERAUTH_PK_OK");
foreach (var keyInfo in this.PrivateKeyAgent.Value.ListSsh2())
{
var key = keyInfo.Key;
this._authenticationCompleted.Reset();
this._isSignatureRequired = false;
var message = new RequestMessagePublicKey(ServiceName.Connection, this.Username, key.Name, key.Data);
// Send public key authentication request
session.SendMessage(message);
session.WaitHandle(this._authenticationCompleted);
if (this._isSignatureRequired)
{
this._authenticationCompleted.Reset();
var signatureMessage = new RequestMessagePublicKey(ServiceName.Connection, this.Username, key.Name, key.Data);
var signatureData = new SignatureData(message, session.SessionId).GetBytes();
var signature = this.PrivateKeyAgent.Value.SignSsh2(key.Data, signatureData);
if (signature != null)
{
signatureMessage.Signature = signature;
// Send public key authentication request with signature
session.SendMessage(signatureMessage);
}
else
{
this._authenticationResult = AuthenticationResult.Failure;
this._authenticationCompleted.Set();
}
}
session.WaitHandle(this._authenticationCompleted);
if (this._authenticationResult == AuthenticationResult.Success)
{
break;
}
}
session.UserAuthenticationSuccessReceived -= Session_UserAuthenticationSuccessReceived;
session.UserAuthenticationFailureReceived -= Session_UserAuthenticationFailureReceived;
session.MessageReceived -= Session_MessageReceived;
session.UnRegisterMessage("SSH_MSG_USERAUTH_PK_OK");
return this._authenticationResult;
}
/// <summary>
/// Connects client to the server.
/// </summary>
public void Connect()
{
this.OnConnecting();
if (this.IsConnected)
{
this.Session.Disconnect();
}
this.Session = new Session(this.ConnectionInfo);
this.Session.HostKeyReceived += Session_HostKeyReceived;
this.Session.ErrorOccured += Session_ErrorOccured;
this.Session.Connect();
this.OnConnected();
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged ResourceMessages.</param>
protected virtual void Dispose(bool disposing)
{
// Check to see if Dispose has already been called.
if (!this._isDisposed)
{
// If disposing equals true, dispose all managed
// and unmanaged ResourceMessages.
if (disposing)
{
// stop sending keep-alive messages before we close the
// session
StopKeepAliveTimer();
if (this.Session != null)
{
this.Session.ErrorOccured -= Session_ErrorOccured;
this.Session.HostKeyReceived -= Session_HostKeyReceived;
this.Session.Dispose();
this.Session = null;
}
if (_ownsConnectionInfo && _connectionInfo != null)
{
var connectionInfoDisposable = _connectionInfo as IDisposable;
if (connectionInfoDisposable != null)
connectionInfoDisposable.Dispose();
_connectionInfo = null;
}
}
// Note disposing has been done.
_isDisposed = true;
}
}
/// <summary>
/// Connects client to the server.
/// </summary>
/// <exception cref="InvalidOperationException">The client is already connected.</exception>
/// <exception cref="ObjectDisposedException">The method was called after the client was disposed.</exception>
public void Connect()
{
CheckDisposed();
if (Session != null && Session.IsConnected)
throw new InvalidOperationException("The client is already connected.");
OnConnecting();
Session = new Session(ConnectionInfo);
Session.HostKeyReceived += Session_HostKeyReceived;
Session.ErrorOccured += Session_ErrorOccured;
Session.Connect();
StartKeepAliveTimer();
OnConnected();
}
/// <summary>
/// Authenticates the specified session.
/// </summary>
/// <param name="session">The session to be authenticated.</param>
/// <returns>true if authenticated; otherwise false.</returns>
/// <exception cref="ArgumentNullException"><paramref name="session"/> is null.</exception>
/// <exception cref="SshAuthenticationException">No suitable authentication method found to complete authentication.</exception>
public bool Authenticate(Session session)
{
var authenticated = AuthenticationResult.Failure;
if (session == null)
throw new ArgumentNullException("session");
session.RegisterMessage("SSH_MSG_USERAUTH_FAILURE");
session.RegisterMessage("SSH_MSG_USERAUTH_SUCCESS");
session.RegisterMessage("SSH_MSG_USERAUTH_BANNER");
session.UserAuthenticationBannerReceived += Session_UserAuthenticationBannerReceived;
// Try to authenticate against none
var noneAuthenticationMethod = new NoneAuthenticationMethod(this.Username);
authenticated = noneAuthenticationMethod.Authenticate(session);
var allowedAuthentications = noneAuthenticationMethod.AllowedAuthentications;
var triedAuthentications = new List<string>();
while (authenticated != AuthenticationResult.Success)
{
// Find first authentication method
var method = this.AuthenticationMethods.Where((a) => allowedAuthentications.Contains(a.Name) && !triedAuthentications.Contains(a.Name)).FirstOrDefault();
if (method == null)
throw new SshAuthenticationException("No suitable authentication method found to complete authentication.");
triedAuthentications.Add(method.Name);
authenticated = method.Authenticate(session);
if (authenticated == AuthenticationResult.PartialSuccess)
{
// If further authentication is required then continue to try another method
allowedAuthentications = method.AllowedAuthentications;
continue;
}
// If authentication was successful or failure, exit
break;
}
session.UserAuthenticationBannerReceived -= Session_UserAuthenticationBannerReceived;
session.UnRegisterMessage("SSH_MSG_USERAUTH_FAILURE");
session.UnRegisterMessage("SSH_MSG_USERAUTH_SUCCESS");
session.UnRegisterMessage("SSH_MSG_USERAUTH_BANNER");
this.IsAuthenticated = authenticated == AuthenticationResult.Success;
return authenticated == AuthenticationResult.Success;
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged ResourceMessages.</param>
protected virtual void Dispose(bool disposing)
{
// Check to see if Dispose has already been called.
if (!this._isDisposed)
{
// If disposing equals true, dispose all managed
// and unmanaged ResourceMessages.
if (disposing)
{
// Dispose managed ResourceMessages.
this.Session.ErrorOccured -= Session_ErrorOccured;
this.Session.HostKeyReceived -= Session_HostKeyReceived;
if (this.Session != null)
{
this.Session.Dispose();
this.Session = null;
}
if (this._keepAliveTimer != null)
{
this._keepAliveTimer.Dispose();
this._keepAliveTimer = null;
}
}
// Note disposing has been done.
_isDisposed = true;
}
}