public void Deserialize(SSHLoginParameter tp, StructuredText node)
{
base.Deserialize(tp, node);
tp.Method = "SSH1".Equals(node.Get("method")) ? SSHProtocol.SSH1 : SSHProtocol.SSH2;
tp.AuthenticationType = ParseUtil.ParseEnum <AuthenticationType>(node.Get("authentication", ""), AuthenticationType.Password);
tp.Account = node.Get("account", "");
tp.IdentityFileName = node.Get("identityFileName", "");
if (ProtocolsPlugin.Instance.ProtocolOptions.ReadSerializedPassword)
{
string pw = node.Get("passphrase", null);
if (pw != null)
{
tp.PasswordOrPassphrase = pw;
tp.LetUserInputPassword = false;
}
else
{
pw = node.Get("password", null);
if (pw != null)
{
pw = new SimpleStringEncrypt().DecryptString(pw);
if (pw != null)
{
tp.PasswordOrPassphrase = pw;
tp.LetUserInputPassword = false;
}
}
}
}
tp.EnableAgentForwarding = GetBoolValue(node, "enableAgentForwarding", false);
tp.EnableX11Forwarding = GetBoolValue(node, "enableX11Forwarding", false);
StructuredText x11Node = node.FindChild("x11Forwarding");
if (x11Node != null)
{
int display = GetIntValue(x11Node, "display", 0);
X11ForwardingParams x11params = new X11ForwardingParams(display);
x11params.Screen = GetIntValue(x11Node, "screen", 0);
x11params.NeedAuth = GetBoolValue(x11Node, "needAuth", false);
x11params.XauthorityFile = x11Node.Get("xauthorityFile", null);
x11params.UseCygwinUnixDomainSocket = GetBoolValue(x11Node, "useCygwinUnixDomainSocket", false);
x11params.X11UnixFolder = x11Node.Get("x11UnixFolder", null);
tp.X11Forwarding = x11params;
}
}
private string FindXauthorityFile(X11ForwardingParams param)
{
string xauthPath;
if (!String.IsNullOrEmpty(param.XauthorityFile))
{
xauthPath = param.XauthorityFile;
}
else
{
var home = Environment.GetEnvironmentVariable("HOME");
if (home == null)
{
return(null);
}
xauthPath = Path.Combine(home, ".Xauthority");
}
return(File.Exists(xauthPath) ? xauthPath : null);
}
/// <summary>
/// Validates input values and constructs parameter objects.
/// </summary>
/// <param name="loginParam">SSH parameter object is set when this method returns true.</param>
/// <param name="terminalSettings">terminal settings object is set when this method returns true.</param>
/// <param name="errorMessage">validation error message is set when this method returns false. this can be null when displaying error message is not needed.</param>
/// <returns>true if all validations passed and parameter objects were created.</returns>
private bool Validate(out ISSHLoginParameter loginParam, out ITerminalSettings terminalSettings, out string errorMessage)
{
loginParam = null;
terminalSettings = null;
errorMessage = null;
var ssh = TerminalSessionsPlugin.Instance.ProtocolService.CreateDefaultSSHParameter();
var tcp = (ITCPParameter)ssh.GetAdapter(typeof(ITCPParameter));
//--- SSH connection settings
if (_ssh1RadioButton.Checked)
{
ssh.Method = SSHProtocol.SSH1;
}
else if (_ssh2RadioButton.Checked)
{
ssh.Method = SSHProtocol.SSH2;
}
else
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.ProtocolVersionIsNotSpecified");
return(false);
}
tcp.Destination = _hostBox.Text;
if (String.IsNullOrEmpty(tcp.Destination))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.HostIsEmpty");
return(false);
}
int port;
if (Int32.TryParse(_portBox.Text, out port) && port >= 0 && port <= 65535)
{
tcp.Port = port;
}
else
{
errorMessage = String.Format(
TEnv.Strings.GetString("Message.LoginDialog.InvalidPort"),
_portBox.Text);
return(false);
}
ssh.Account = _userNameBox.Text;
AuthType authType = ((EnumListItem <AuthType>)_authOptions.SelectedItem).Value;
ssh.AuthenticationType = authType.ToAuthenticationType();
if (ssh.AuthenticationType == AuthenticationType.PublicKey)
{
ssh.IdentityFileName = _privateKeyFile.Text;
if (String.IsNullOrEmpty(ssh.IdentityFileName))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.PrivateKeyFileIsNotSpecified");
return(false);
}
if (!File.Exists(ssh.IdentityFileName))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.KeyFileNotExist");
return(false);
}
}
if (ssh.AuthenticationType == AuthenticationType.Password || ssh.AuthenticationType == AuthenticationType.PublicKey)
{
ssh.PasswordOrPassphrase = _passphraseBox.Text;
}
//--- Log settings
ISimpleLogSettings logSettings = TerminalSessionsPlugin.Instance.TerminalEmulatorService.CreateDefaultSimpleLogSettings();
logSettings.LogType = ((EnumListItem <LogType>)_logTypeBox.SelectedItem).Value;
if (logSettings.LogType != LogType.None)
{
logSettings.LogPath = _logFileBox.Text;
LogFileCheckResult r = LogUtil.CheckLogFileName(logSettings.LogPath, this.ParentForm);
if (r == LogFileCheckResult.Cancel || r == LogFileCheckResult.Error)
{
errorMessage = null;
return(false);
}
logSettings.LogAppend = (r == LogFileCheckResult.Append);
}
//--- Terminal settings
ITerminalParameter termParam = (ITerminalParameter)tcp.GetAdapter(typeof(ITerminalParameter));
TerminalType terminalType = ((EnumListItem <TerminalType>)_terminalTypeBox.SelectedItem).Value;
termParam.SetTerminalName(terminalType.ToTermValue());
string terminalCaption = tcp.Destination;
Image terminalIcon = Poderosa.TerminalSession.Properties.Resources.NewConnection16x16;
ITerminalSettings termSettings = TerminalSessionsPlugin.Instance.TerminalEmulatorService.CreateDefaultTerminalSettings(terminalCaption, terminalIcon);
termSettings.BeginUpdate();
termSettings.Encoding = ((EnumListItem <EncodingType>)_encodingBox.SelectedItem).Value;
termSettings.LocalEcho = ((ListItem <bool>)_localEchoBox.SelectedItem).Value;
termSettings.TransmitNL = ((EnumListItem <NewLine>)_newLineBox.SelectedItem).Value;
termSettings.TerminalType = terminalType;
termSettings.LogSettings.Reset(logSettings);
termSettings.EndUpdate();
//--- X11 forwarding settings
if (_useX11ForwardingCheckBox.Checked)
{
if (String.IsNullOrEmpty(_x11DisplayText.Text))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.X11DisplayIsNotEntered");
return(false);
}
int display;
if (!Int32.TryParse(_x11DisplayText.Text, out display) || display < 0 || display > (65535 - 6000))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.InvalidX11Display");
return(false);
}
X11ForwardingParams x11Param = new X11ForwardingParams(display);
if (String.IsNullOrEmpty(_x11ScreenText.Text))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.X11ScreenIsNotEntered");
return(false);
}
int screen;
if (!Int32.TryParse(_x11ScreenText.Text, out screen) || screen < 0)
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.InvalidX11Screen");
return(false);
}
x11Param.Screen = screen;
if (_x11NeedAuthCheckBox.Checked)
{
x11Param.NeedAuth = true;
x11Param.XauthorityFile = _x11XauthorityText.Text;
if (String.IsNullOrEmpty(x11Param.XauthorityFile))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.XauthorityFileIsNotSpecified");
return(false);
}
}
else
{
x11Param.NeedAuth = false;
}
if (_x11UseCygwinDomainSocketCheckBox.Checked)
{
x11Param.UseCygwinUnixDomainSocket = true;
x11Param.X11UnixFolder = _x11CygwinX11UnixFolderText.Text;
if (String.IsNullOrEmpty(x11Param.X11UnixFolder))
{
errorMessage = TEnv.Strings.GetString("Message.LoginDialog.X11UnixFolderIsNotSpecified");
return(false);
}
}
ssh.EnableX11Forwarding = true;
ssh.X11Forwarding = x11Param;
}
else
{
ssh.EnableX11Forwarding = false;
ssh.X11Forwarding = null;
}
//--- Agent forwarding settings
if (_useAgentForwardingCheckBox.Checked)
{
ssh.EnableAgentForwarding = true;
ssh.AgentForwardingAuthKeyProvider = null; // set later
}
else
{
ssh.EnableAgentForwarding = false;
ssh.AgentForwardingAuthKeyProvider = null;
}
//--- Macro
IAutoExecMacroParameter autoExecParams = tcp.GetAdapter(typeof(IAutoExecMacroParameter)) as IAutoExecMacroParameter;
if (autoExecParams != null) // macro plugin is enabled
{
if (!String.IsNullOrEmpty(_autoExecMacroPathBox.Text))
{
autoExecParams.AutoExecMacroPath = _autoExecMacroPathBox.Text;
}
else
{
autoExecParams.AutoExecMacroPath = null;
}
}
loginParam = ssh;
terminalSettings = termSettings;
return(true);
}
/// <summary>
/// Setup the connection manager according to the parameters.
/// </summary>
/// <param name="param">parameters</param>
/// <exception cref="X11UtilException"></exception>
/// <exception cref="X11SocketException"></exception>
public void Setup(X11ForwardingParams param)
{
if (_setupDone)
{
return;
}
_param = param.Clone();
_spoofedAuthProtocolName = DEFAULT_AUTH_NAME;
_spoofedAuthCookie = GenerateCookie();
if (param.UseCygwinUnixDomainSocket)
{
_protocolEventManager.Trace("[X11] Use Cygwin's domain socket");
_socketFactory = () => new X11CygwinDomainSocket(param.X11UnixFolder);
}
else
{
_protocolEventManager.Trace("[X11] Use TCP socket");
_socketFactory = () => new X11TcpSocket();
}
XauthorityEntry xauthEntry;
if (param.NeedAuth)
{
string xauthFile = FindXauthorityFile(param);
if (xauthFile == null)
{
throw new X11UtilException(Strings.GetString("XauthorityFileNotFound"));
}
var parser = new XauthorityParser();
xauthEntry = parser.FindBest(xauthFile, param.Display);
if (xauthEntry == null)
{
throw new X11UtilException(Strings.GetString("SuitableAuthorizationInformationNotFound"));
}
}
else
{
xauthEntry = new XauthorityEntry(0, "", param.Display, "", new byte[0]);
}
var cookieInfo = GetUntrustedAccessCookie(_socketFactory, param.Display, xauthEntry);
if (cookieInfo == null)
{
// no SECURITY extension
_protocolEventManager.Trace("[X11] \"Trusted\" access will be used.");
_xAuthProtocolName = xauthEntry.Name;
_xAuthCookie = xauthEntry.Data;
_authEntry = xauthEntry;
_authId = null;
_setupDone = true;
return;
}
_protocolEventManager.Trace("[X11] \"Untrusted\" access will be used.");
_xAuthProtocolName = DEFAULT_AUTH_NAME;
_xAuthCookie = cookieInfo.Item2;
_authEntry = xauthEntry;
_authId = cookieInfo.Item1;
_setupDone = true;
// TODO:
// the authorization cookie should be deleted from the X server when
// the forwarding channel is closed.
}
