protected override void ProcessRecord()
{
if (keyfile.Equals(""))
{
//###########################################
//### Connect using Username and Password ###
//###########################################
ConnectionInfo connectInfo;
var KIconnectInfo = new KeyboardInteractiveAuthenticationMethod(credential.GetNetworkCredential().UserName);
foreach (var computer in computername)
{
if (proxyserver != "")
{
// Set the proper proxy type
var ptype = Renci.SshNet.ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (proxytype)
{
case "HTTP":
ptype = Renci.SshNet.ProxyTypes.Http;
break;
case "Socks4":
ptype = Renci.SshNet.ProxyTypes.Socks4;
break;
case "Socks5":
ptype = Renci.SshNet.ProxyTypes.Socks5;
break;
}
var PassconnectInfo = new PasswordAuthenticationMethod(credential.GetNetworkCredential().UserName, credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + credential.GetNetworkCredential().UserName);
connectInfo = new ConnectionInfo(computer,
port,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
proxycredential.GetNetworkCredential().UserName,
proxycredential.GetNetworkCredential().Password,
KIconnectInfo,
PassconnectInfo);
}
else
{
WriteVerbose("Using Username and Password authentication for connection.");
// Connection info for Keyboard Interactive
var PassconnectInfo = new PasswordAuthenticationMethod(credential.GetNetworkCredential().UserName, credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + credential.GetNetworkCredential().UserName);
connectInfo = new Renci.SshNet.ConnectionInfo(computer, credential.GetNetworkCredential().UserName,
PassconnectInfo,
KIconnectInfo);
//} // End foroeach computer
}
// Event Handler for interactive Authentication
KIconnectInfo.AuthenticationPrompt += delegate(object sender, AuthenticationPromptEventArgs e)
{
foreach (var prompt in e.Prompts)
{
if (prompt.Request.Contains("Password"))
prompt.Response = credential.GetNetworkCredential().Password;
}
};
try
{
//Ceate instance of SSH Client with connection info
var Client = new SshClient(connectInfo);
// Handle host key
Client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string FingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
//this.Host.UI.WriteVerboseLine("Key algorithm of " + Client.ConnectionInfo.CurrentHostKeyAlgorithm);
//this.Host.UI.WriteVerboseLine("Key exchange alhorithm " + Client.ConnectionInfo.CurrentKeyExchangeAlgorithm);
//this.Host.UI.WriteVerboseLine("Host key fingerprint: " + FingerPrint);
if (SSHHostKeys.ContainsKey(computer))
{
if (SSHHostKeys[computer] == FingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer);
}
}
else
{
int choice;
if (acceptkey)
{
choice = 0;
}
else
{
Collection<ChoiceDescription> choices = new Collection<ChoiceDescription>();
choices.Add(new ChoiceDescription("Y"));
choices.Add(new ChoiceDescription("N"));
choice = this.Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + FingerPrint, choices, 1);
}
if (choice == 0)
{
var keymng = new TrustedKeyMng();
//this.Host.UI.WriteVerboseLine("Saving fingerprint " + FingerPrint + " for host " + computer);
keymng.SetKey(computer, FingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
Client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(connectiontimeout);
// Set Keepalive for connections
Client.KeepAliveInterval = TimeSpan.FromSeconds(keepaliveinterval);
// Connect to host using Connection info
Client.Connect();
WriteObject(SSHModHelper.AddToSSHSessionCollection(Client, this.SessionState), true);
}
catch (Exception ex)
{
throw ex;
}
}
}
else
{
//##########################
//### Connect using Keys ###
//##########################
WriteVerbose("Using SSH Key authentication for connection.");
var fullPath = Path.GetFullPath(keyfile);
if (File.Exists(fullPath))
{
foreach (var computer in computername)
{
PrivateKeyConnectionInfo connectionInfo;
if (proxyserver != "")
{
// Set the proper proxy type
var ptype = Renci.SshNet.ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (proxytype)
{
case "HTTP":
ptype = Renci.SshNet.ProxyTypes.Http;
break;
case "Socks4":
ptype = Renci.SshNet.ProxyTypes.Socks4;
break;
case "Socks5":
ptype = Renci.SshNet.ProxyTypes.Socks5;
break;
}
if (credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
if (proxycredential.UserName == "")
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
proxycredential.GetNetworkCredential().UserName,
proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
}
else
{
WriteVerbose("Using SSH Key authentication for connection.");
if (credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
}
try
{
//Ceate instance of SSH Client with connection info
var Client = new SshClient(connectionInfo);
// Handle host key
Client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string FingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
//this.Host.UI.WriteVerboseLine("Key algorithm of " + Client.ConnectionInfo.CurrentHostKeyAlgorithm);
//this.Host.UI.WriteVerboseLine("Key exchange alhorithm " + Client.ConnectionInfo.CurrentKeyExchangeAlgorithm);
//this.Host.UI.WriteVerboseLine("Host key fingerprint: " + FingerPrint);
if (SSHHostKeys.ContainsKey(computer))
{
if (SSHHostKeys[computer] == FingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer);
}
}
else
{
int choice;
if (acceptkey)
{
choice = 0;
}
else
{
Collection<ChoiceDescription> choices = new Collection<ChoiceDescription>();
choices.Add(new ChoiceDescription("Y"));
choices.Add(new ChoiceDescription("N"));
choice = this.Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + FingerPrint, choices, 1);
}
if (choice == 0)
{
var keymng = new TrustedKeyMng();
//this.Host.UI.WriteVerboseLine("Saving fingerprint " + FingerPrint + " for host " + computer);
keymng.SetKey(computer, FingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
Client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(connectiontimeout);
// Set Keepalive for connections
Client.KeepAliveInterval = TimeSpan.FromSeconds(keepaliveinterval);
// Connect to host using Connection info
Client.Connect();
WriteObject(SSHModHelper.AddToSSHSessionCollection(Client, this.SessionState), true);
}
catch (Exception ex)
{
throw ex;
}
} // for each computer
} // file exists
else
{
throw new System.IO.FileNotFoundException("Key file " + fullPath + " was not found.");
}
}
}
/// <summary>
/// Establishes the connection to the server, using the specified <paramref name="terminal"/> for connection initialization (authentication, etc.).
/// </summary>
/// <param name="terminal">The terminal to use for connection initialization.</param>
/// <returns>A value indicating whether the connection was successfully established.</returns>
/// <exception cref="ObjectDisposedException">The connection object is already disposed.</exception>
/// <exception cref="InvalidOperationException">The connection object is currently connected.</exception>
public async Task<bool> ConnectAsync(IConnectionInitializingTerminal terminal)
{
this.CheckDisposed();
this.MustBeConnected(false);
Lazy<string> username = new Lazy<string>(() =>
{
if (string.IsNullOrEmpty(this.connectionData.Username))
{
return terminal.ReadLineAsync("Username: "******"Username: "******"Password: "******"Password expired for user " + e.Username);
do
{
var readNewPassword1Task = terminal.ReadLineAsync("New password: "******"Repeat new password: "******"Performing keyboard-interactive authentication.");
}
if (!string.IsNullOrEmpty(e.Instruction))
{
terminal.WriteLine(e.Instruction);
}
foreach (var prompt in e.Prompts)
{
var readLineTask = terminal.ReadLineAsync(prompt.Request, echo: prompt.IsEchoed);
readLineTask.Wait();
prompt.Response = readLineTask.Result;
}
};
connectionInfo = keyboardInteractiveConnectionInfo;
break;
case Model.AuthenticationType.PrivateKey:
if (this.privateKeyData == null)
{
throw new Exception("Private Key '" + connectionData.PrivateKeyName + "' not found. Please correct the authentication details of the connection.");
}
PrivateKeyFile privateKey;
try
{
using (var privateKeyStream = new MemoryStream(privateKeyData.Data))
{
privateKey = new PrivateKeyFile(privateKeyStream);
}
}
catch (SshPassPhraseNullOrEmptyException)
{
privateKey = null;
}
// In the normal PrivateKey authentication there is only a connection-local PrivateKeyAgent.
var localPprivateKeyAgent = new Lazy<PrivateKeyAgent>(() =>
{
terminal.WriteLine("Performing authentication with Private Key '" + connectionData.PrivateKeyName + "'.");
if (privateKey == null)
{
string privateKeyPassword = terminal.ReadLineAsync("Private Key password: "******"Wrong Private Key password, please try again.", ex);
}
}
}
var pka = new PrivateKeyAgent();
pka.AddSsh2(privateKey.HostKey, connectionData.PrivateKeyName);
return pka;
});
var privateKeyConnectionInfo = new PrivateKeyConnectionInfo(this.connectionData.Host, this.connectionData.Port, username, localPprivateKeyAgent);
connectionInfo = privateKeyConnectionInfo;
break;
case AuthenticationType.PrivateKeyAgent:
if (PrivateKeyAgentManager.PrivateKeyAgent.ListSsh2().Count == 0)
{
throw new SshAuthenticationException("The private key agent doesn't contain any private keys.");
}
var globalPrivateKeyAgent = new Lazy<PrivateKeyAgent>(() =>
{
var pka = PrivateKeyAgentManager.PrivateKeyAgent;
terminal.WriteLine("Performing private key agent authentication.");
return pka;
});
var privateKeyAgentConnectionInfo = new PrivateKeyConnectionInfo(this.connectionData.Host, this.connectionData.Port, username, globalPrivateKeyAgent);
connectionInfo = privateKeyAgentConnectionInfo;
if (connectionData.PrivateKeyAgentForwarding == true)
{
forwardedPrivateKeyAgent = globalPrivateKeyAgent;
terminal.WriteLine("Agent forwarding is enabled.");
}
break;
default:
throw new NotImplementedException("Authentication method '" + this.connectionData.Authentication + "' not implemented.");
}
connectionInfo.AuthenticationBanner += (sender, e) =>
{
terminal.WriteLine(e.BannerMessage.Replace("\n", "\r\n"));
};
this.client = new SshClient(connectionInfo);
this.client.HostKeyReceived += (s, e) =>
{
string fingerprint = string.Join(":", e.FingerPrint.Select(b => b.ToString("x2")));
bool trustHostKey = true;
bool storeHostKey = false;
string newHostKey = string.Join(null, e.HostKey.Select(b => b.ToString("x2")));
if (oldHostKey == null)
{
terminal.WriteLine("Remote Terminal has not yet cached a host key for this server.");
terminal.WriteLine("Host key's fingerprint: " + fingerprint);
terminal.WriteLine("Please make sure the fingerprint matches the server's actual host key.");
trustHostKey = QueryYesNo(terminal, "Do you want to continue connecting to the host?");
if (trustHostKey)
{
storeHostKey = QueryYesNo(terminal, "Do you want to store this host key in the cache?");
}
}
else if (oldHostKey != newHostKey)
{
terminal.WriteLine("POSSIBLE SECURITY BREACH DETECTED!");
terminal.WriteLine("Remote Terminal has cached another host key for this server.");
terminal.WriteLine("This could mean one of two things:");
terminal.WriteLine(" * the server's host key was changed by an administrator");
terminal.WriteLine(" * another computer is trying to intercept your connection");
terminal.WriteLine("Host key's new fingerprint: " + fingerprint);
trustHostKey = QueryYesNo(terminal, "Do you want to continue connecting to the host?");
if (trustHostKey)
{
storeHostKey = QueryYesNo(terminal, "Do you want to update the cache with the new host key?");
}
}
e.CanTrust = trustHostKey;
if (trustHostKey)
{
oldHostKey = newHostKey;
}
if (storeHostKey)
{
HostKeysDataSource.AddOrUpdate(this.connectionData.Host, this.connectionData.Port, newHostKey);
}
};
this.client.ConnectionInfo.Timeout = new TimeSpan(0, 15, 0);
await Task.Run(() => { this.client.Connect(); });
this.client.ConnectionInfo.Timeout = new TimeSpan(0, 1, 0);
var terminalModes = new Dictionary<TerminalModes, uint>();
terminalModes[TerminalModes.TTY_OP_ISPEED] = 0x00009600;
terminalModes[TerminalModes.TTY_OP_OSPEED] = 0x00009600;
this.stream = this.client.CreateShellStream(terminal.TerminalName, (uint)terminal.Columns, (uint)terminal.Rows, 0, 0, 1024, forwardedPrivateKeyAgent.Value, terminalModes.ToArray());
this.reader = new StreamReader(this.stream);
this.writer = new StreamWriter(this.stream);
this.writer.AutoFlush = true;
return true;
}
catch (SshConnectionException ex)
{
terminal.WriteLine(ex.Message);
retry = false;
}
catch (SshAuthenticationException ex)
{
terminal.WriteLine(ex.Message);
if (connectionData.Authentication == AuthenticationType.PrivateKeyAgent)
{
terminal.WriteLine("Please load the necessary private key(s) into the private key agent.");
retry = false;
}
else
{
retry = true;
}
}
catch (Exception ex)
{
terminal.WriteLine(ex.Message);
retry = false;
}
if (!retry || numRetries++ > 5)
{
return false;
}
}
while (true);
}
protected override void ProcessRecord()
{
if (keyfile.Equals(""))
{
foreach (var computer in computername)
{
#region AuthUserPass
//###########################################
//### Connect using Username and Password ###
//###########################################
ConnectionInfo connectInfo;
KeyboardInteractiveAuthenticationMethod KIconnectInfo;
if (proxyserver != "")
{
#region Proxy
// Set the proper proxy type
var ptype = Renci.SshNet.ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (proxytype)
{
case "HTTP":
ptype = Renci.SshNet.ProxyTypes.Http;
break;
case "Socks4":
ptype = Renci.SshNet.ProxyTypes.Socks4;
break;
case "Socks5":
ptype = Renci.SshNet.ProxyTypes.Socks5;
break;
}
KIconnectInfo = new KeyboardInteractiveAuthenticationMethod(credential.GetNetworkCredential().UserName);
var PassconnectInfo = new PasswordAuthenticationMethod(credential.GetNetworkCredential().UserName, credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + credential.GetNetworkCredential().UserName);
connectInfo = new ConnectionInfo(computer,
port,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
proxycredential.GetNetworkCredential().UserName,
proxycredential.GetNetworkCredential().Password,
KIconnectInfo,
PassconnectInfo);
#endregion
} // Proxy Server
else
{
#region No Proxy
WriteVerbose("Using Username and Password authentication for connection.");
// Connection info for Keyboard Interactive
KIconnectInfo = new KeyboardInteractiveAuthenticationMethod(credential.GetNetworkCredential().UserName);
var PassconnectInfo = new PasswordAuthenticationMethod(credential.GetNetworkCredential().UserName, credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + credential.GetNetworkCredential().UserName);
connectInfo = new Renci.SshNet.ConnectionInfo(computer, credential.GetNetworkCredential().UserName,
PassconnectInfo,
KIconnectInfo);
#endregion
}// No Proxy
// Event Handler for interactive Authentication
KIconnectInfo.AuthenticationPrompt += delegate(object sender, AuthenticationPromptEventArgs e)
{
foreach (var prompt in e.Prompts)
{
if (prompt.Request.Contains("Password"))
prompt.Response = credential.GetNetworkCredential().Password;
}
};
try
{
//Ceate instance of SCP Client with connection info
var Client = new ScpClient(connectInfo);
// Handle host key
Client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string FingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
//this.Host.UI.WriteVerboseLine("Key algorithm of " + Client.ConnectionInfo.CurrentHostKeyAlgorithm);
//this.Host.UI.WriteVerboseLine("Key exchange alhorithm " + Client.ConnectionInfo.CurrentKeyExchangeAlgorithm);
//this.Host.UI.WriteVerboseLine("Host key fingerprint: " + FingerPrint);
if (SSHHostKeys.ContainsKey(computer))
{
if (SSHHostKeys[computer] == FingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer);
}
}
else
{
Collection<ChoiceDescription> choices = new Collection<ChoiceDescription>();
choices.Add(new ChoiceDescription("Y"));
choices.Add(new ChoiceDescription("N"));
int choice = this.Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + FingerPrint, choices, 1);
if (choice == 0)
{
var keymng = new TrustedKeyMng();
//this.Host.UI.WriteVerboseLine("Saving fingerprint " + FingerPrint + " for host " + computer);
keymng.SetKey(computer, FingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
Client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(connectiontimeout);
// Set the Operation Timeout
Client.OperationTimeout = TimeSpan.FromSeconds(operationtimeout);
// Connect to host using Connection info
Client.Connect();
Client.BufferSize = 1024;
// Print progess of download.
Client.Downloading += delegate(object sender, ScpDownloadEventArgs e)
{
var progressRecord = new ProgressRecord(1, "Downloading " + e.Filename, String.Format("{0} Bytes Downloaded of {1}", e.Downloaded, e.Size));
if (e.Size != 0)
{
progressRecord.PercentComplete = Convert.ToInt32((e.Downloaded * 100) / e.Size);
this.Host.UI.WriteProgress(1, progressRecord);
}
};
var localfullPath = Path.GetFullPath(localfolder);
WriteVerbose("Downloading " + remotefolder);
DirectoryInfo dirinfo = new DirectoryInfo(@localfullPath);
Client.Download(remotefolder, dirinfo);
Client.Disconnect();
}
catch (Exception ex)
{
throw ex;
}
} //end foreach computer
#endregion
} //Use/Password Auth
else
{
//##########################
//### Connect using Keys ###
//##########################
WriteVerbose("Using SSH Key authentication for connection.");
var fullPath = Path.GetFullPath(keyfile);
if (File.Exists(fullPath))
{
foreach (var computer in computername)
{
PrivateKeyConnectionInfo connectionInfo;
if (proxyserver != "")
{
// Set the proper proxy type
var ptype = Renci.SshNet.ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (proxytype)
{
case "HTTP":
ptype = Renci.SshNet.ProxyTypes.Http;
break;
case "Socks4":
ptype = Renci.SshNet.ProxyTypes.Socks4;
break;
case "Socks5":
ptype = Renci.SshNet.ProxyTypes.Socks5;
break;
}
if (credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
if (proxycredential.UserName == "")
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
proxycredential.GetNetworkCredential().UserName,
proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
}
else
{
if (credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
}
try
{
//Ceate instance of SCP Client with connection info
var Client = new ScpClient(connectionInfo);
// Handle host key
Client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string FingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
//this.Host.UI.WriteVerboseLine("Key algorithm of " + Client.ConnectionInfo.CurrentHostKeyAlgorithm);
//this.Host.UI.WriteVerboseLine("Key exchange alhorithm " + Client.ConnectionInfo.CurrentKeyExchangeAlgorithm);
//this.Host.UI.WriteVerboseLine("Host key fingerprint: " + FingerPrint);
if (SSHHostKeys.ContainsKey(computer))
{
if (SSHHostKeys[computer] == FingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer);
}
}
else
{
Collection<ChoiceDescription> choices = new Collection<ChoiceDescription>();
choices.Add(new ChoiceDescription("Y"));
choices.Add(new ChoiceDescription("N"));
int choice = this.Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + FingerPrint, choices, 1);
if (choice == 0)
{
var keymng = new TrustedKeyMng();
//this.Host.UI.WriteVerboseLine("Saving fingerprint " + FingerPrint + " for host " + computer);
keymng.SetKey(computer, FingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
Client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(connectiontimeout);
// Set the Operation Timeout
Client.OperationTimeout = TimeSpan.FromSeconds(operationtimeout);
// Connect to host using Connection info
Client.Connect();
Client.BufferSize = 1024;
// Print progess of download.
Client.Downloading += delegate(object sender, ScpDownloadEventArgs e)
{
var progressRecord = new ProgressRecord(1, "Downloading " + e.Filename, String.Format("{0} Bytes Downloaded of {1}", e.Downloaded, e.Size));
if (e.Size != 0)
{
progressRecord.PercentComplete = Convert.ToInt32((e.Downloaded * 100) / e.Size);
this.Host.UI.WriteProgress(1, progressRecord);
}
};
var localfullPath = Path.GetFullPath(localfolder);
WriteVerbose("Downloading " + remotefolder);
DirectoryInfo dirinfo = new DirectoryInfo(@localfullPath);
Client.Download(remotefolder, dirinfo);
Client.Disconnect();
}
catch (Exception ex)
{
throw ex;
}
}
}// file exist
else
{
throw new System.IO.FileNotFoundException("Key file " + fullPath + " was not found.");
}
}
}
/// <summary>
/// Connect to the remote servers, with the details from Profile
/// </summary>
/// <param name="reconnecting">True if this is an attempt to re-establish a closed connection</param>
public void Connect(bool reconnecting = false)
{
Notifications.ChangeTrayText(reconnecting ? MessageType.Reconnecting : MessageType.Connecting);
Log.Write(l.Debug, "{0} client...", reconnecting ? "Reconnecting" : "Connecting");
if (FTP)
{
_ftpc = new FtpClient { Host = controller.Account.Host, Port = controller.Account.Port };
// Add accepted certificates
_ftpc.ClientCertificates.AddRange(Certificates);
if (controller.Account.Protocol == FtpProtocol.FTPS)
{
_ftpc.ValidateCertificate += (sender, x) =>
{
var fingerPrint = new X509Certificate2(x.Certificate).Thumbprint;
if (_ftpc.ClientCertificates.Count <= 0 && x.PolicyErrors != SslPolicyErrors.None)
{
Certificates.Add(x.Certificate);
x.Accept = false;
return;
}
// if ValidateCertificate handler isn't set, accept the certificate and move on
if (ValidateCertificate == null || Settings.TrustedCertificates.Contains(fingerPrint))
{
Log.Write(l.Client, "Trusted: {0}", fingerPrint);
x.Accept = true;
return;
}
var e = new ValidateCertificateEventArgs
{
Fingerprint = fingerPrint,
SerialNumber = x.Certificate.GetSerialNumberString(),
Algorithm = x.Certificate.GetKeyAlgorithmParametersString(),
ValidFrom = x.Certificate.GetEffectiveDateString(),
ValidTo = x.Certificate.GetExpirationDateString(),
Issuer = x.Certificate.Issuer
};
// Prompt user to validate
ValidateCertificate(null, e);
x.Accept = e.IsTrusted;
};
// Change Security Protocol
if (controller.Account.FtpsMethod == FtpsMethod.Explicit)
_ftpc.EncryptionMode = FtpEncryptionMode.Explicit;
else if (controller.Account.FtpsMethod == FtpsMethod.Implicit)
_ftpc.EncryptionMode = FtpEncryptionMode.Implicit;
}
_ftpc.Credentials = new NetworkCredential(controller.Account.Username, controller.Account.Password);
try
{
_ftpc.Connect();
}
catch (Exception exc)
{
// Since the ClientCertificates are added when accepted in ValidateCertificate, the first
// attempt to connect will fail with an AuthenticationException. If this is the case, a
// re-connect is attempted, this time with the certificates properly set.
// This is a workaround to avoid storing Certificate files locally...
if (exc is System.Security.Authentication.AuthenticationException
&& _ftpc.ClientCertificates.Count <= 0)
Connect();
else
throw;
}
}
else // SFTP
{
ConnectionInfo connectionInfo;
if (controller.isPrivateKeyValid)
connectionInfo = new PrivateKeyConnectionInfo(controller.Account.Host, controller.Account.Port, controller.Account.Username, new PrivateKeyFile(controller.Account.PrivateKeyFile, controller.Account.Password));
else
connectionInfo = new PasswordConnectionInfo(controller.Account.Host, controller.Account.Port, controller.Account.Username, controller.Account.Password);
_sftpc = new SftpClient(connectionInfo);
_sftpc.ConnectionInfo.AuthenticationBanner += (o, x) => Log.Write(l.Warning, x.BannerMessage);
_sftpc.HostKeyReceived += (o, x) =>
{
var fingerPrint = x.FingerPrint.GetCertificateData();
// if ValidateCertificate handler isn't set, accept the certificate and move on
if (ValidateCertificate == null || Settings.TrustedCertificates.Contains(fingerPrint))
{
Log.Write(l.Client, "Trusted: {0}", fingerPrint);
x.CanTrust = true;
return;
}
var e = new ValidateCertificateEventArgs
{
Fingerprint = fingerPrint,
Key = x.HostKeyName,
KeySize = x.KeyLength.ToString()
};
// Prompt user to validate
ValidateCertificate(null, e);
x.CanTrust = e.IsTrusted;
};
_sftpc.Connect();
_sftpc.ErrorOccurred += (o, e) =>
{
if (!isConnected) Notifications.ChangeTrayText(MessageType.Nothing);
if (ConnectionClosed != null) ConnectionClosed(null, new ConnectionClosedEventArgs { Text = e.Exception.Message });
if (e.Exception is Renci.SshNet.Common.SftpPermissionDeniedException)
Log.Write(l.Warning, "Permission denied error occured");
if (e.Exception is Renci.SshNet.Common.SshConnectionException)
Reconnect();
};
}
controller.HomePath = WorkingDirectory;
if (isConnected)
if (!string.IsNullOrWhiteSpace(controller.Paths.Remote) && !controller.Paths.Remote.Equals("/"))
WorkingDirectory = controller.Paths.Remote;
Log.Write(l.Debug, "Client connected sucessfully");
Notifications.ChangeTrayText(MessageType.Ready);
if (Settings.IsDebugMode)
LogServerInfo();
// Periodically send NOOP (KeepAlive) to server if a non-zero interval is set
SetKeepAlive();
}
private static PrivateKeyConnectionInfo GetKeyConnectionInfo(string computer,
int port,
Stream keyFileStream,
PSCredential credential,
string proxyserver,
string proxytype,
int proxyport,
PSCredential proxycredential)
{
PrivateKeyConnectionInfo connectionInfo;
// Create the key object.
PrivateKeyFile sshkey;
if (credential.GetNetworkCredential().Password == String.Empty)
sshkey = new PrivateKeyFile(keyFileStream);
else
sshkey = new PrivateKeyFile(keyFileStream, credential.GetNetworkCredential().Password);
if (proxyserver != String.Empty)
{
// Set the proper proxy type
var ptype = ProxyTypes.Http;
switch (proxytype)
{
case "HTTP":
ptype = ProxyTypes.Http;
break;
case "Socks4":
ptype = ProxyTypes.Socks4;
break;
case "Socks5":
ptype = ProxyTypes.Socks5;
break;
}
if (proxycredential.UserName != String.Empty)
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
port,
credential.UserName,
ptype,
proxyserver,
proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
port,
credential.UserName,
ptype,
proxyserver,
proxyport,
proxycredential.UserName,
proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
else // Handle connection with no proxy server
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
port,
credential.UserName,
sshkey);
}
return connectionInfo;
}
protected override void ProcessRecord()
{
if (_keyfile.Equals(""))
{
//###########################################
//### Connect using Username and Password ###
//###########################################
var kIconnectInfo = new KeyboardInteractiveAuthenticationMethod(_credential.GetNetworkCredential().UserName);
foreach (var computer in _computername)
{
ConnectionInfo connectInfo;
if (_proxyserver != "")
{
// Set the proper proxy type
var ptype = ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (_proxytype)
{
case "HTTP":
ptype = ProxyTypes.Http;
break;
case "Socks4":
ptype = ProxyTypes.Socks4;
break;
case "Socks5":
ptype = ProxyTypes.Socks5;
break;
}
var passconnectInfo = new PasswordAuthenticationMethod(_credential.GetNetworkCredential().UserName, _credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + _credential.GetNetworkCredential().UserName);
connectInfo = new ConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
ptype,
_proxyserver,
_proxyport,
_proxycredential.GetNetworkCredential().UserName,
_proxycredential.GetNetworkCredential().Password,
kIconnectInfo,
passconnectInfo);
}
else
{
WriteVerbose("Using Username and Password authentication for connection.");
// Connection info for Keyboard Interactive
var passconnectInfo = new PasswordAuthenticationMethod(_credential.GetNetworkCredential().UserName, _credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + _credential.GetNetworkCredential().UserName);
connectInfo = new ConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
passconnectInfo,
kIconnectInfo);
}
// Event Handler for interactive Authentication
kIconnectInfo.AuthenticationPrompt += delegate(object sender, AuthenticationPromptEventArgs e)
{
foreach (var prompt in e.Prompts)
{
if (prompt.Request.Contains("Password"))
prompt.Response = _credential.GetNetworkCredential().Password;
}
};
//Ceate instance of SFTP Client with connection info
var client = new SftpClient(connectInfo);
// Handle host key
string computer1 = computer;
client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string fingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
if (_sshHostKeys.ContainsKey(computer1))
{
if (_sshHostKeys[computer1] == fingerPrint)
{
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer1);
}
}
else
{
int choice;
if (_acceptkey)
{
choice = 0;
}
else
{
var choices = new Collection<ChoiceDescription>
{
new ChoiceDescription("Y"),
new ChoiceDescription("N")
};
choice = Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + fingerPrint, choices, 1);
}
if (choice == 0)
{
var keymng = new TrustedKeyMng();
keymng.SetKey(computer1, fingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(_connectiontimeout);
// Set Keepalive for connections
client.KeepAliveInterval = TimeSpan.FromSeconds(_keepaliveinterval);
// Connect to host using Connection info
client.Connect();
WriteObject(SshModHelper.AddToSftpSessionCollection(client, SessionState), true);
}
}
else
{
//##########################
//### Connect using Keys ###
//##########################
WriteVerbose("Using SSH Key authentication for connection.");
var fullPath = Path.GetFullPath(_keyfile);
if (File.Exists(fullPath))
{
foreach (var computer in _computername)
{
PrivateKeyConnectionInfo connectionInfo;
if (_proxyserver != "")
{
// Set the proper proxy type
var ptype = ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (_proxytype)
{
case "HTTP":
ptype = ProxyTypes.Http;
break;
case "Socks4":
ptype = ProxyTypes.Socks4;
break;
case "Socks5":
ptype = ProxyTypes.Socks5;
break;
}
if (_credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, _credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), _credential.GetNetworkCredential().Password);
if (_proxycredential.UserName == "")
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
ptype,
_proxyserver,
_proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
ptype,
_proxyserver,
_proxyport,
_proxycredential.GetNetworkCredential().UserName,
_proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
}
else
{
WriteVerbose("Using SSH Key authentication for connection.");
if (_credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, _credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), _credential.GetNetworkCredential().Password);
connectionInfo = new PrivateKeyConnectionInfo(computer, _credential.GetNetworkCredential().UserName, sshkey);
}
}
//Ceate instance of SSH Client with connection info
var client = new SftpClient(connectionInfo);
// Handle host key
string computer1 = computer;
client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string fingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
if (_sshHostKeys.ContainsKey(computer1))
{
if (_sshHostKeys[computer1] == fingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer1);
}
}
else
{
int choice;
if (_acceptkey)
{
choice = 0;
}
else
{
var choices = new Collection<ChoiceDescription>
{
new ChoiceDescription("Y"),
new ChoiceDescription("N")
};
choice = Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + fingerPrint, choices, 1);
}
if (choice == 0)
{
var keymng = new TrustedKeyMng();
keymng.SetKey(computer1, fingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(_connectiontimeout);
// Connect to host using Connection info
client.Connect();
WriteObject(SshModHelper.AddToSftpSessionCollection(client, SessionState), true);
} // for each computer
} // file exists
else
{
throw new FileNotFoundException("Key file " + fullPath + " was not found.");
}
} // End process record
}
/// <summary>
/// Runs the commands on the PlanetLab node at the specified index.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="index">The node state index.</param>
private void OnRunNode(PlManagerState state, int index)
{
lock (state.Sync)
{
// If the operation has been canceled, return.
if (state.IsStopped) return;
// Get the node state.
PlManagerNodeState nodeState = state.GetNode(index);
// Execute the secure shell connection on the thread pool.
ThreadPool.QueueUserWorkItem((object threadState) =>
{
// Raise a node started event.
if (null != this.NodeStarted) this.NodeStarted(this, new PlManagerNodeEventArgs(state, nodeState.Node));
try
{
// Create the private key connection information.
ConnectionInfo connectionInfo;
// Create a memory stream with the key data.
using (MemoryStream memoryStream = new MemoryStream(state.Slice.Key))
{
// Create the private key file.
using (PrivateKeyFile keyFile = new PrivateKeyFile(memoryStream))
{
// Create a key connection info.
connectionInfo = new PrivateKeyConnectionInfo(nodeState.Node.Hostname, state.Slice.Name, keyFile);
}
}
// Open an SSH client to the PlanetLab node.
using (SshClient sshClient = new SshClient(connectionInfo))
{
// Connect the client.
sshClient.Connect();
// For all the slice commands.
foreach (PlCommand command in state.Slice.Commands)
{
// If the command has parameters.
if (command.HasParameters)
{
// Format the command with all parameter sets.
for (int indexSet = 0; indexSet < command.SetsCount; indexSet++)
{
// If the operation has been paused, wait for resume.
if (state.IsPaused)
{
state.WaitPause();
}
// If the operation has been canceled, return.
if (state.IsStopped)
{
// Remove the node from the running list.
state.UpdateNodeRunningToSkipped(index);
// Cancel all nodes in the pending list.
state.CancelPendingNodes();
// Raise the canceled event.
if (null != this.NodeCanceled) this.NodeCanceled(this, new PlManagerNodeEventArgs(state, nodeState.Node));
// Return.
return;
}
// Run the command with the current parameters set.
this.OnRunCommand(state, nodeState, command, indexSet, sshClient);
}
}
else
{
// Run the command without parameters.
this.OnRunCommand(state, nodeState, command, -1, sshClient);
}
}
// Disconnect the client.
sshClient.Disconnect();
}
// Remove the node from the running list.
state.UpdateNodeRunningToCompleted(index);
// Raise the success event.
if (null != this.NodeFinishedSuccess) this.NodeFinishedSuccess(this, new PlManagerNodeEventArgs(state, nodeState.Node));
}
catch (Exception exception)
{
// Remove the node from the running list.
state.UpdateNodeRunningToSkipped(index);
// Raise the fail event.
if (null != this.NodeFinishedFail) this.NodeFinishedFail(this, new PlManagerNodeEventArgs(state, nodeState.Node, exception));
}
finally
{
lock (state.Sync)
{
// If the operation has not been canceled.
if (!state.IsStopped)
{
// If the list of pending nodes and running nodes is empty, stop.
if ((0 == state.PendingCount) && (0 == state.RunningCount))
{
this.Stop(state);
}
// Get a cached copy of all the pending PlanetLab nodes.
int[] pendingCache = state.PendingNodes.ToArray();
// Find the next pending node to execute commands.
foreach (int newIndex in pendingCache)
{
// Get the node state corresponding to the pending node.
PlManagerNodeState newNode = state.GetNode(newIndex);
// If the slice configuration only allows one node per site.
if (state.Slice.OnlyRunOneNodePerSite)
{
// If the node site is completed.
if (state.IsSiteCompleted(newNode.Node.SiteId.Value))
{
// Change the node from the pending to the skipped state.
state.UpdateNodePendingToSkipped(newIndex);
// Raise an event indicating that the node has been skipped.
if (null != this.NodeSkipped) this.NodeSkipped(this, new PlManagerNodeEventArgs(state, newNode.Node));
// Skip the loop to the next node.
continue;
}
// If the node site is running.
if (state.IsSiteRunning(newNode.Node.SiteId.Value))
{
// Postpone the node for later, and skip the loop to the next node.
continue;
}
}
// Change the node from the pending to the running state.
state.UpdateNodePendingToRunning(newIndex);
// Execute the commands on specified node.
this.OnRunNode(state, newIndex);
// Exit the loop.
break;
}
}
}
}
});
}
}
protected override void ProcessRecord()
{
if (keyfile.Equals(""))
{
//###########################################
//### Connect using Username and Password ###
//###########################################
if (proxyserver != "")
{
// Set the proper proxy type
var ptype = Renci.SshNet.ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (proxytype)
{
case "HTTP":
ptype = Renci.SshNet.ProxyTypes.Http;
break;
case "Socks4":
ptype = Renci.SshNet.ProxyTypes.Socks4;
break;
case "Socks5":
ptype = Renci.SshNet.ProxyTypes.Socks5;
break;
}
var KIconnectInfo = new KeyboardInteractiveAuthenticationMethod(credential.GetNetworkCredential().UserName);
var PassconnectInfo = new PasswordAuthenticationMethod(credential.GetNetworkCredential().UserName, credential.GetNetworkCredential().Password);
foreach (var computer in computername)
{
WriteVerbose("Connecting to " + computer + " with user " + credential.GetNetworkCredential().UserName);
var connectInfo = new ConnectionInfo(computer,
port,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
proxycredential.GetNetworkCredential().UserName,
proxycredential.GetNetworkCredential().Password,
KIconnectInfo,
PassconnectInfo);
// Event Handler for interactive Authentication
KIconnectInfo.AuthenticationPrompt += delegate(object sender, AuthenticationPromptEventArgs e)
{
foreach (var prompt in e.Prompts)
{
if (prompt.Request.Contains("Password"))
prompt.Response = credential.GetNetworkCredential().Password;
}
};
try
{
//Ceate instance of SSH Client with connection info
var Client = new SshClient(connectInfo);
// Connect to host using Connection info
Client.Connect();
WriteObject(SSHModHelper.AddToSSHSessionCollection(Client, this.SessionState), true);
}
catch (Exception ex)
{
throw ex;
}
} // End foroeac computer
}
else
{
WriteVerbose("Using Username and Password authentication for connection.");
// Connection info for Keyboard Interactive
var KIconnectInfo = new KeyboardInteractiveAuthenticationMethod(credential.GetNetworkCredential().UserName);
var PassconnectInfo = new PasswordAuthenticationMethod(credential.GetNetworkCredential().UserName, credential.GetNetworkCredential().Password);
foreach (var computer in computername)
{
WriteVerbose("Connecting to " + computer + " with user " + credential.GetNetworkCredential().UserName);
var connectInfo = new Renci.SshNet.ConnectionInfo(computer, credential.GetNetworkCredential().UserName,
PassconnectInfo,
KIconnectInfo);
// Event Handler for interactive Authentication
KIconnectInfo.AuthenticationPrompt += delegate(object sender, AuthenticationPromptEventArgs e)
{
foreach (var prompt in e.Prompts)
{
if (prompt.Request.Contains("Password"))
prompt.Response = credential.GetNetworkCredential().Password;
}
};
try
{
//Ceate instance of SSH Client with connection info
var Client = new SshClient(connectInfo);
// Connect to host using Connection info
Client.Connect();
WriteObject(SSHModHelper.AddToSSHSessionCollection(Client, this.SessionState), true);
}
catch (Exception ex)
{
throw ex;
}
} // End foroeach computer
}
}
else
{
//##########################
//### Connect using Keys ###
//##########################
WriteVerbose("Using SSH Key authentication for connection.");
var fullPath = Path.GetFullPath(keyfile);
if (proxyserver != "")
{
// Set the proper proxy type
var ptype = Renci.SshNet.ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (proxytype)
{
case "HTTP":
ptype = Renci.SshNet.ProxyTypes.Http;
break;
case "Socks4":
ptype = Renci.SshNet.ProxyTypes.Socks4;
break;
case "Socks5":
ptype = Renci.SshNet.ProxyTypes.Socks5;
break;
}
if (File.Exists(fullPath))
{
foreach (var computer in computername)
{
PrivateKeyConnectionInfo connectionInfo;
if (credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
if (proxycredential.UserName == "")
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
credential.GetNetworkCredential().UserName,
ptype,
proxyserver,
proxyport,
proxycredential.GetNetworkCredential().UserName,
proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
try
{
//Ceate instance of SSH Client with connection info
var Client = new SshClient(connectionInfo);
// Connect to host using Connection info
Client.Connect();
WriteObject(SSHModHelper.AddToSSHSessionCollection(Client, this.SessionState), true);
}
catch (Exception ex)
{
throw ex;
}
}
}
}
else
{
WriteVerbose("Using SSH Key authentication for connection.");
if (File.Exists(fullPath))
{
foreach (var computer in computername)
{
PrivateKeyConnectionInfo connectionInfo;
if (credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
connectionInfo = new PrivateKeyConnectionInfo(computer, credential.GetNetworkCredential().UserName, sshkey);
}
try
{
//Ceate instance of SSH Client with connection info
var Client = new SshClient(connectionInfo);
// Connect to host using Connection info
Client.Connect();
WriteObject(SSHModHelper.AddToSSHSessionCollection(Client, this.SessionState), true);
}
catch (Exception ex)
{
throw ex;
}
}
}
}
}
}
/// <summary>
/// Connect to the remote servers, with the details from Profile
/// </summary>
/// <param name="reconnecting">True if this is an attempt to re-establish a closed connection</param>
public void Connect(bool reconnecting = false)
{
Notifications.ChangeTrayText(reconnecting ? MessageType.Reconnecting : MessageType.Connecting);
Log.Write(l.Debug, "{0} client...", reconnecting ? "Reconnecting" : "Connecting");
if (FTP)
{
_ftpc = new FtpClient(controller.Account.Host, controller.Account.Port);
_ftpc.ConnectionClosed += (o, e) =>
{
Notifications.ChangeTrayText(MessageType.Nothing);
if (ConnectionClosed != null) ConnectionClosed(null, new ConnectionClosedEventArgs { Text = _ftpc.LastResponse.Text });
Reconnect();
};
if (controller.Account.Protocol == FtpProtocol.FTPS)
{
_ftpc.ValidateServerCertificate += (sender, x) =>
{
// if ValidateCertificate handler isn't set, accept the certificate and move on
if (ValidateCertificate == null || Settings.TrustedCertificates.Contains(x.Certificate.Thumbprint))
{
Log.Write(l.Client, "Trusted: {0}", x.Certificate.Thumbprint);
x.IsCertificateValid = true;
return;
}
var e = new ValidateCertificateEventArgs
{
Fingerprint = x.Certificate.Thumbprint,
SerialNumber = x.Certificate.SerialNumber,
Algorithm = x.Certificate.SignatureAlgorithm.FriendlyName,
ValidFrom = x.Certificate.NotBefore.ToString("MM/dd/yy"),
ValidTo = x.Certificate.NotAfter.ToString("MM/dd/yy"),
Issuer = x.Certificate.IssuerName.Name
};
ValidateCertificate(null, e);
x.IsCertificateValid = e.IsTrusted;
};
// Change Security Protocol
if (controller.Account.FtpsMethod == FtpsMethod.Explicit)
_ftpc.SecurityProtocol = FtpSecurityProtocol.Tls1OrSsl3Explicit;
else if (controller.Account.FtpsMethod == FtpsMethod.Implicit)
_ftpc.SecurityProtocol = FtpSecurityProtocol.Tls1OrSsl3Implicit;
}
try
{
_ftpc.Open(controller.Account.Username, controller.Account.Password);
}
catch (Exception)
{
if (controller.Account.FtpsMethod == FtpsMethod.None)
throw;
bool connected = false;
// Try connecting with the other available Security Protocols
foreach (FtpSecurityProtocol p in Enum.GetValues(typeof(FtpSecurityProtocol)))
{
if ((controller.Account.FtpsMethod == FtpsMethod.Explicit && p.ToString().Contains("Explicit"))
|| (controller.Account.FtpsMethod == FtpsMethod.Implicit && p.ToString().Contains("Implicit")))
{
Log.Write(l.Debug, "Testing with {0}", p.ToString());
try {
_ftpc.Close();
_ftpc.SecurityProtocol = p;
_ftpc.Open(controller.Account.Username, controller.Account.Password);
}
catch (Exception exe){
Log.Write(l.Warning, "Unable to connect: {0}", exe.GetType().ToString());
continue;
}
connected = true;
controller.Account.FtpSecurityProtocol = p;
break;
}
}
if (!connected)
{
Notifications.ChangeTrayText(MessageType.Nothing);
throw;
}
}
}
else // SFTP
{
ConnectionInfo connectionInfo;
if (controller.isPrivateKeyValid)
connectionInfo = new PrivateKeyConnectionInfo(controller.Account.Host, controller.Account.Port, controller.Account.Username, new PrivateKeyFile(controller.Account.PrivateKeyFile, controller.Account.Password));
else
connectionInfo = new PasswordConnectionInfo(controller.Account.Host, controller.Account.Port, controller.Account.Username, controller.Account.Password);
_sftpc = new SftpClient(connectionInfo);
_sftpc.ConnectionInfo.AuthenticationBanner += (o, x) => Log.Write(l.Warning, x.BannerMessage);
_sftpc.HostKeyReceived += (o, x) =>
{
var fingerPrint = x.FingerPrint.GetCertificateData();
// if ValidateCertificate handler isn't set, accept the certificate and move on
if (ValidateCertificate == null || Settings.TrustedCertificates.Contains(fingerPrint))
{
Log.Write(l.Client, "Trusted: {0}", fingerPrint);
x.CanTrust = true;
return;
}
var e = new ValidateCertificateEventArgs
{
Fingerprint = fingerPrint,
Key = x.HostKeyName,
KeySize = x.KeyLength.ToString()
};
ValidateCertificate(null, e);
x.CanTrust = e.IsTrusted;
};
_sftpc.Connect();
_sftpc.ErrorOccurred += (o, e) =>
{
if (!isConnected) Notifications.ChangeTrayText(MessageType.Nothing);
if (ConnectionClosed != null) ConnectionClosed(null, new ConnectionClosedEventArgs { Text = e.Exception.Message });
if (e.Exception is Renci.SshNet.Common.SftpPermissionDeniedException)
Log.Write(l.Warning, "Permission denied error occured");
if (e.Exception is Renci.SshNet.Common.SshConnectionException)
Reconnect();
};
}
controller.HomePath = WorkingDirectory;
if (isConnected)
if (!string.IsNullOrWhiteSpace(controller.Paths.Remote) && !controller.Paths.Remote.Equals("/"))
WorkingDirectory = controller.Paths.Remote;
Log.Write(l.Debug, "Client connected sucessfully");
Notifications.ChangeTrayText(MessageType.Ready);
if (Settings.IsDebugMode)
LogServerInfo();
// Periodically send NOOP (KeepAlive) to server if a non-zero interval is set
SetKeepAlive();
}
protected override void ProcessRecord()
{
if (_keyfile.Equals(""))
{
foreach (var computer in _computername)
{
#region AuthUserPass
//###########################################
//### Connect using Username and Password ###
//###########################################
ConnectionInfo connectInfo;
KeyboardInteractiveAuthenticationMethod kIconnectInfo;
if (_proxyserver != "")
{
#region Proxy
// Set the proper proxy type
var ptype = ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (_proxytype)
{
case "HTTP":
ptype = ProxyTypes.Http;
break;
case "Socks4":
ptype = ProxyTypes.Socks4;
break;
case "Socks5":
ptype = ProxyTypes.Socks5;
break;
}
kIconnectInfo = new KeyboardInteractiveAuthenticationMethod(_credential.GetNetworkCredential().UserName);
var passconnectInfo = new PasswordAuthenticationMethod(_credential.GetNetworkCredential().UserName, _credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + _credential.GetNetworkCredential().UserName);
connectInfo = new ConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
ptype,
_proxyserver,
_proxyport,
_proxycredential.GetNetworkCredential().UserName,
_proxycredential.GetNetworkCredential().Password,
kIconnectInfo,
passconnectInfo);
#endregion
} // Proxy Server
else
{
#region No Proxy
WriteVerbose("Using Username and Password authentication for connection.");
// Connection info for Keyboard Interactive
kIconnectInfo = new KeyboardInteractiveAuthenticationMethod(_credential.GetNetworkCredential().UserName);
var passconnectInfo = new PasswordAuthenticationMethod(_credential.GetNetworkCredential().UserName, _credential.GetNetworkCredential().Password);
WriteVerbose("Connecting to " + computer + " with user " + _credential.GetNetworkCredential().UserName);
connectInfo = new ConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
passconnectInfo,
kIconnectInfo);
#endregion
}// No Proxy
// Event Handler for interactive Authentication
kIconnectInfo.AuthenticationPrompt += delegate(object sender, AuthenticationPromptEventArgs e)
{
foreach (var prompt in e.Prompts)
{
if (prompt.Request.Contains("Password"))
prompt.Response = _credential.GetNetworkCredential().Password;
}
};
//Ceate instance of SCP Client with connection info
var client = new ScpClient(connectInfo);
// Handle host key
string computer1 = computer;
client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string fingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
if (_sshHostKeys.ContainsKey(computer1))
{
if (_sshHostKeys[computer1] == fingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer1);
}
}
else
{
var choices = new Collection<ChoiceDescription>
{
new ChoiceDescription("Y"),
new ChoiceDescription("N")
};
int choice = Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + fingerPrint, choices, 1);
if (choice == 0)
{
var keymng = new TrustedKeyMng();
//this.Host.UI.WriteVerboseLine("Saving fingerprint " + FingerPrint + " for host " + computer);
keymng.SetKey(computer1, fingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(_connectiontimeout);
// Set the Operation Timeout
client.OperationTimeout = TimeSpan.FromSeconds(_operationtimeout);
// Connect to host using Connection info
client.Connect();
client.BufferSize = 1024;
// Print progess of download.
client.Downloading += delegate(object sender, ScpDownloadEventArgs e)
{
var progressRecord = new ProgressRecord(1, "Downloading " + e.Filename, String.Format("{0} Bytes Downloaded of {1}", e.Downloaded, e.Size));
if (e.Size != 0)
{
progressRecord.PercentComplete = Convert.ToInt32((e.Downloaded * 100) / e.Size);
Host.UI.WriteProgress(1, progressRecord);
}
};
WriteVerbose("Connection succesfull");
var localfullPath = Path.GetFullPath(_localfile);
WriteVerbose("Downloading " + _remotefile);
var fil = new FileInfo(@localfullPath);
// Download the file
client.Download(_remotefile, fil);
client.Disconnect();
} //end foreach computer
#endregion
} //Use/Password Auth
else
{
//##########################
//### Connect using Keys ###
//##########################
WriteVerbose("Using SSH Key authentication for connection.");
var fullPath = Path.GetFullPath(_keyfile);
if (File.Exists(fullPath))
{
foreach (var computer in _computername)
{
PrivateKeyConnectionInfo connectionInfo;
if (_proxyserver != "")
{
// Set the proper proxy type
var ptype = ProxyTypes.Http;
WriteVerbose("A Proxy Server has been specified");
switch (_proxytype)
{
case "HTTP":
ptype = ProxyTypes.Http;
break;
case "Socks4":
ptype = ProxyTypes.Socks4;
break;
case "Socks5":
ptype = ProxyTypes.Socks5;
break;
}
if (_credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), _credential.GetNetworkCredential().Password);
if (_proxycredential.UserName == "")
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
ptype,
_proxyserver,
_proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
ptype,
_proxyserver,
_proxyport,
_proxycredential.GetNetworkCredential().UserName,
_proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
}
else
{
if (_credential.GetNetworkCredential().Password == "")
{
WriteVerbose("Using key with no passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
sshkey);
}
else
{
WriteVerbose("Using key with passphrase.");
var sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), _credential.GetNetworkCredential().Password);
connectionInfo = new PrivateKeyConnectionInfo(computer,
_port,
_credential.GetNetworkCredential().UserName,
sshkey);
}
}
//Ceate instance of SCP Client with connection info
var client = new ScpClient(connectionInfo);
// Handle host key
string computer1 = computer;
client.HostKeyReceived += delegate(object sender, HostKeyEventArgs e)
{
var sb = new StringBuilder();
foreach (var b in e.FingerPrint)
{
sb.AppendFormat("{0:x}:", b);
}
string fingerPrint = sb.ToString().Remove(sb.ToString().Length - 1);
if (_sshHostKeys.ContainsKey(computer1))
{
if (_sshHostKeys[computer1] == fingerPrint)
{
//this.Host.UI.WriteVerboseLine("Fingerprint matched trusted fingerpring for host " + computer);
e.CanTrust = true;
}
else
{
throw new System.Security.SecurityException("SSH fingerprint mistmatch for host " + computer1);
}
}
else
{
var choices = new Collection<ChoiceDescription>
{
new ChoiceDescription("Y"),
new ChoiceDescription("N")
};
int choice = Host.UI.PromptForChoice("Server SSH Fingerprint", "Do you want to trust the fingerprint " + fingerPrint, choices, 1);
if (choice == 0)
{
var keymng = new TrustedKeyMng();
keymng.SetKey(computer1, fingerPrint);
e.CanTrust = true;
}
else
{
e.CanTrust = false;
}
}
};
// Set the connection timeout
client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(_connectiontimeout);
// Set the Operation Timeout
client.OperationTimeout = TimeSpan.FromSeconds(_operationtimeout);
// Connect to host using Connection info
client.Connect();
client.BufferSize = 1024;
// Print progess of download.
client.Downloading += delegate(object sender, ScpDownloadEventArgs e)
{
var progressRecord = new ProgressRecord(1, "Downloading " + e.Filename, String.Format("{0} Bytes Downloaded of {1}", e.Downloaded, e.Size));
if (e.Size != 0)
{
progressRecord.PercentComplete = Convert.ToInt32((e.Downloaded * 100) / e.Size);
Host.UI.WriteProgress(1, progressRecord);
}
};
WriteVerbose("Connection succesfull");
var localfullPath = SessionState.Path.GetUnresolvedProviderPathFromPSPath(_localfile);
WriteVerbose("Downloading " + _remotefile);
var fil = new FileInfo(@localfullPath);
// Download the file
client.Download(_remotefile, fil);
client.Disconnect();
}
}// file exist
else
{
throw new FileNotFoundException("Key file " + fullPath + " was not found.");
}
}
} // End process record
private void SetupFilesystem()
{
Debug.WriteLine("SetupFilesystem {0},{1},{2},{3}",Host,Port,Username,ConnectionType.ToString());
ProxyTypes pt = ProxyTypes.None;
switch (ProxyType) {
case 1: pt = ProxyTypes.Http; break;
case 2: pt = ProxyTypes.Socks4; break;
case 3: pt = ProxyTypes.Socks5; break;
}
int ProxyPort = 8080;
var Proxy = ProxyHost;
if (ProxyHost != null)
{
var s = ProxyHost.Split(':');
if (s.Length > 1)
{
Int32.TryParse(s[1], out ProxyPort);
Proxy = s[0];
}
}
ConnectionInfo info;
switch (ConnectionType)
{
case ConnectionType.Pageant:
var agent = new PageantProtocol();
if (pt == ProxyTypes.None) {
info = new AgentConnectionInfo(Host, Port, Username, agent);
}
else if (ProxyUser.Length>0) {
info = new AgentConnectionInfo(Host, Port, Username, pt, Proxy, ProxyPort, ProxyUser, ProxyPass, agent);
}
else {
info = new AgentConnectionInfo(Host, Port, Username, pt, Proxy, ProxyPort, agent);
}
break;
case ConnectionType.PrivateKey:
if (pt == ProxyTypes.None) {
info = new PrivateKeyConnectionInfo(Host, Port, Username, new PrivateKeyFile(PrivateKey, Passphrase));
}
else if (ProxyUser.Length > 0) {
info = new PrivateKeyConnectionInfo(Host, Port, Username, pt, Proxy, ProxyPort, ProxyUser, ProxyPass, new PrivateKeyFile(PrivateKey, Passphrase));
}
else {
info = new PrivateKeyConnectionInfo(Host, Port, Username, pt, Proxy, ProxyPort, new PrivateKeyFile(PrivateKey, Passphrase));
}
break;
default:
if (pt == ProxyTypes.None) {
info = new PasswordConnectionInfo(Host, Port, Username, Password);
}
else if (ProxyUser.Length > 0) {
info = new PasswordConnectionInfo(Host, Username, Password, pt, Proxy, ProxyPort, ProxyUser, ProxyPass);
}
else {
info = new PasswordConnectionInfo(Host, Port, Username, Password, pt, Proxy, ProxyPort);
}
break;
}
_connection = Settings.Default.UseNetworkDrive ? String.Format("\\\\{0}\\{1}\\{2}", info.Host, Root, info.Username) : Name;
_filesystem = new SftpFilesystem(info, Root,_connection,Settings.Default.UseOfflineAttribute,false, (int) Settings.Default.AttributeCacheTimeout, (int) Settings.Default.DirContentCacheTimeout);
Debug.WriteLine("Connecting...");
_filesystem.KeepAliveInterval = new TimeSpan(0, 0, 60);
_filesystem.Connect();
}
/// <summary>
/// Generate a ConnectionInfoObject using a SSH Key.
/// </summary>
/// <param name="computer"></param>
/// <param name="port"></param>
/// <param name="keyfile"></param>
/// <param name="credential"></param>
/// <param name="proxyserver"></param>
/// <param name="proxytype"></param>
/// <param name="proxyport"></param>
/// <param name="proxycredential"></param>
/// <returns></returns>
public static PrivateKeyConnectionInfo GetKeyConnectionInfo(string computer,
int port,
string keyfile,
PSCredential credential,
string proxyserver,
string proxytype,
int proxyport,
PSCredential proxycredential)
{
PrivateKeyConnectionInfo connectionInfo;
var fullPath = Path.GetFullPath(keyfile);
// Check if the file actually exists.
if (File.Exists(fullPath))
{
// Create the key object.
PrivateKeyFile sshkey;
if (credential.GetNetworkCredential().Password == "")
{
sshkey = new PrivateKeyFile(File.OpenRead(@fullPath));
}
else
{
sshkey = new PrivateKeyFile(File.OpenRead(@fullPath), credential.GetNetworkCredential().Password);
}
if (proxyserver != "")
{
// Set the proper proxy type
var ptype = ProxyTypes.Http;
switch (proxytype)
{
case "HTTP":
ptype = ProxyTypes.Http;
break;
case "Socks4":
ptype = ProxyTypes.Socks4;
break;
case "Socks5":
ptype = ProxyTypes.Socks5;
break;
}
if (proxycredential.UserName != "")
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
port,
credential.UserName,
ptype,
proxyserver,
proxyport,
sshkey);
}
else
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
port,
credential.UserName,
ptype,
proxyserver,
proxyport,
proxycredential.UserName,
proxycredential.GetNetworkCredential().Password,
sshkey);
}
}
else // Handle connection with no proxy server
{
connectionInfo = new PrivateKeyConnectionInfo(computer,
port,
credential.UserName,
sshkey);
}
} // file exists
else
{
throw new FileNotFoundException("Key file " + fullPath + " was not found.");
}
return connectionInfo;
}
/// <summary>
/// An event handler called when connecting to the SSH server.
/// </summary>
/// <param name="sender">The sender object.</param>
/// <param name="e">The event arguments.</param>
private void OnConnect(object sender, EventArgs e)
{
// If the username is empty, show a message and return.
if (string.IsNullOrWhiteSpace(this.textBoxUsername.Text))
{
MessageBox.Show("The user name cannot be empty.", "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
// The connection info.
ConnectionInfo connectionInfo = null;
try
{
// Create a new connection info.
if (this.radioPasswordAuthentication.Checked)
{
// Create a password connection info.
connectionInfo = new PasswordConnectionInfo(this.textBoxServer.Text, this.textBoxUsername.Text, this.secureTextBoxPassword.SecureText.ConvertToUnsecureString());
}
else if (this.radioKeyAuthentication.Checked)
{
// If the private key is null, show a message and return.
if (null == this.sshKey)
{
MessageBox.Show("The key cannot be empty for the selected authentication method.", "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
// Create a memory stream with the key data.
using (MemoryStream memoryStream = new MemoryStream(this.sshKey))
{
// Create the private key file.
using (PrivateKeyFile keyFile = new PrivateKeyFile(memoryStream))
{
// Create a key connection info.
connectionInfo = new PrivateKeyConnectionInfo(this.textBoxServer.Text, this.textBoxUsername.Text, keyFile);
}
}
}
else
{
// If no authentication type is selected, do nothing.
MessageBox.Show("You must select a method of authentication.", "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
catch (Exception exception)
{
// Show an error dialog if an exception is thrown.
MessageBox.Show("Cannot connect to the SSH server. {0}".FormatWith(exception.Message), "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
try
{
// Connect to the SSH server.
this.Connect(connectionInfo);
}
catch (SshException exception)
{
// Show an error dialog if an exception is thrown.
MessageBox.Show("Cannot connect to the SSH server. {0}".FormatWith(exception.Message), "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
// Public methods.
/// <summary>
/// Connects the console to the current SSH server.
/// </summary>
public void Connect()
{
// If the private key is null, show a message and return.
if (null == this.config.Key)
{
// Show a message.
MessageBox.Show("The private key for the selected PlanetLab slice is not set.", "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Warning);
// Raise the connect failed event.
if (this.ConnectFailed != null) this.ConnectFailed(this, new PlExceptionEventArgs<PlNode>(this.node, new Exception("The private key for the selected PlanetLab slice is not set.")));
return;
}
try
{
// The connection info.
ConnectionInfo connectionInfo = null;
// Create a memory stream with the key data.
using (MemoryStream memoryStream = new MemoryStream(this.config.Key))
{
// Create the private key file.
using (PrivateKeyFile keyFile = new PrivateKeyFile(memoryStream))
{
// Create a key connection info.
connectionInfo = new PrivateKeyConnectionInfo(this.node.Hostname, this.config.Name, keyFile);
}
}
// Connect to the PlanetLab node.
base.Connect(connectionInfo);
}
catch (Exception exception)
{
// Show an error dialog if an exception is thrown.
MessageBox.Show("Cannot connect to the PlanetLab node. {0}".FormatWith(exception.Message), "Cannot Connect", MessageBoxButtons.OK, MessageBoxIcon.Error);
// Log
this.log.Add(this.crawler.Log.Add(
LogEventLevel.Verbose,
LogEventType.Information,
ControlSession.logSource,
"Connecting to the PlanetLab node \'{0}\' failed. {1}",
new object[] { this.node.Hostname, exception.Message },
exception));
// Raise the connect failed event.
if (this.ConnectFailed != null) this.ConnectFailed(this, new PlExceptionEventArgs<PlNode>(this.node, exception));
}
}