public void Dispose()
{
_shell?.Dispose();
_shell?.Close();
_sshClient?.Disconnect();
_sshClient?.Dispose();
}
public void Dispose()
{
ForwardedPort.Stop();
ForwardedPort.Dispose();
Ssh.Disconnect();
Ssh?.Dispose();
}
public void Dispose()
{
m_scpAdminClient?.Dispose();
m_sshUserClient?.Dispose();
m_scpUserClient?.Dispose();
m_scpAdminClient?.Dispose();
}
//Dispose implementation & Destructor
public void Dispose()
{
_sftpClient?.Disconnect();
_sftpClient?.Dispose();
_sshClient?.Disconnect();
_sshClient?.Dispose();
}
public void Dispose()
{
sshClient?.Disconnect();
sshClient?.Dispose();
scpClient?.Disconnect();
scpClient?.Dispose();
}
public void Dispose()
{
lock (_lockObj)
{
_client?.Dispose();
_client = null;
}
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_sshClient?.Dispose();
_sshClient = null;
}
}
public void Dispose()
{
client?.Dispose();
shell?.Dispose();
outputReader?.Dispose();
textUpdater?.Dispose();
outputStreamWriter?.Dispose();
extendedOuput?.Dispose();
output?.Dispose();
input?.Dispose();
}
public void Dispose()
{
_shellStream?.Close();
_shellStream = null;
_client?.Dispose();
_client = null;
_sftp?.Dispose();
_sftp = null;
_fsw?.Dispose();
_fsw = null;
}
/// <inheritdoc />
public void Dispose()
{
try
{
ShellStream?.Dispose();
ShellStream = null;
SshClient?.Dispose();
SshClient = null;
Lines.Dispose();
}
catch
{
//
}
}
/// <summary>
/// Disconnects.
/// </summary>
/// <returns></returns>
public override async Task Disconnect()
{
if (SshClient == null)
{
return;
}
this.WriteLog("Disconnecting...");
var ports = ForwardedPorts?.ToList();
if (ports?.Count > 0)
{
foreach (var pf in ports)
{
try
{
await pf.Disconnect();
}
catch (Exception ex)
{
MyLogger.Log("Failed to close a forwarded port.", ex);
}
}
ports.ForEach(x => Children.Remove(x));
this.WriteLog("Closed All Forwarded Ports.");
}
if (SshClient != null)
{
try
{
await Task.Run(() =>
{
SshClient?.Disconnect();
SshClient?.Dispose();
SshClient = null;
});
this.WriteLog("Disconnected.");
}
catch (Exception ex)
{
this.WriteLog("Failed to disconnect or dispose.", ex);
}
}
await DisconnectRequiredConnection();
IsConnecting.Value = false;
IsConnected.Value = false;
}
public static async Task <SshClient> ConnectAsync(this SSHSettings sshSettings, CancellationToken cancellationToken = default)
{
if (sshSettings == null)
{
throw new ArgumentNullException(nameof(sshSettings));
}
TaskCompletionSource <SshClient> tcs = new TaskCompletionSource <SshClient>(TaskCreationOptions.RunContinuationsAsynchronously);
new Thread(() =>
{
SshClient sshClient = null;
try
{
sshClient = new SshClient(sshSettings.CreateConnectionInfo());
sshClient.HostKeyReceived += (object sender, Renci.SshNet.Common.HostKeyEventArgs e) =>
{
if (sshSettings.TrustedFingerprints.Count == 0)
{
e.CanTrust = true;
}
else
{
e.CanTrust = sshSettings.IsTrustedFingerprint(e.FingerPrint, e.HostKey);
}
};
sshClient.Connect();
tcs.TrySetResult(sshClient);
}
catch (Exception ex)
{
tcs.TrySetException(ex);
try
{
sshClient?.Dispose();
}
catch { }
}
})
{
IsBackground = true
}.Start();
using (cancellationToken.Register(() => { tcs.TrySetCanceled(); }))
{
return(await tcs.Task);
}
}
protected void Arrange()
{
_connectionInfo = new ConnectionInfo("host", "user", new NoneAuthenticationMethod("userauth"));
_serviceFactoryMock = new Mock<IServiceFactory>(MockBehavior.Strict);
_sessionMock = new Mock<ISession>(MockBehavior.Strict);
var sequence = new MockSequence();
_serviceFactoryMock.InSequence(sequence).Setup(p => p.CreateSession(_connectionInfo)).Returns(_sessionMock.Object);
_sessionMock.InSequence(sequence).Setup(p => p.Connect());
_sessionMock.InSequence(sequence).Setup(p => p.OnDisconnecting());
_sessionMock.InSequence(sequence).Setup(p => p.Dispose());
_sshClient = new SshClient(_connectionInfo, false, _serviceFactoryMock.Object);
_sshClient.Connect();
_sshClient.Dispose();
}
public SshClient CreateClient(TerminalOptions opts)
{
SshClient?.Dispose();
host = opts.Parameters[0];
SshConfig config = SshConfig.ParseFile(opts.ConfigFile);
SshHost hostConfig = config.Compute(host);
keypath = opts.Keypath ?? hostConfig.IdentityFile;
if (keypath.Contains("~"))
{
keypath = keypath.Replace("~", homePath);
}
host = hostConfig.HostName;
username = opts.User ?? hostConfig.User ?? Environment.UserName;
password = opts.Password;
ushort port = opts.Port;
if (opts.Port == 0)
{
port = hostConfig["Port"] is string portStr?ushort.Parse(portStr) : (ushort)22;
}
bool PasswordAuthUsed = false;
if (keypath == null)
{
if (password != null)
{
PasswordAuthUsed = true;
}
else
{
PasswordAuthUsed = hostConfig["PasswordAuthentication"] as string == "Yes";
}
}
if (PasswordAuthUsed)
{
return(new SshClient(host, port, username, password));
}
PrivateKeyFile privateKeyFile = new PrivateKeyFile(keypath, password);
return(new SshClient(host, port, username, privateKeyFile));
}
/// <summary>
/// Disconnect SSH client from Host
/// </summary>
private static void DisconnectSSHClient()
{
try
{
if (client?.IsConnected ?? false)
{
client.Disconnect();
}
}
catch (Exception e)
{
}
finally
{
client?.Dispose();
client = null;
}
}
private bool Reset(bool connect = true)
{
_ssh?.Dispose(); _ssh = null; SSHError = null;
_sftp?.Dispose(); _sftp = null; SFTPError = null;
if (connect)
{
bool cssh = false, csftp = false;
try { cssh = SSH.IsConnected; } catch {}
try { csftp = SFTP.IsConnected; } catch {}
return(cssh && csftp);
}
else
{
return(false);
}
}
protected virtual void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
_shellStream?.Dispose();
_shellStream = null;
_sshClient?.Dispose();
_sshClient = null;
}
_disposed = true;
}
/// <summary>
/// Disconnect SSH client from Host
/// </summary>
private static void DisconnectSSHClient()
{
try
{
if (client?.IsConnected ?? false)
{
client.Disconnect();
}
}
catch (Exception e)
{
Trace.TraceError("Failed to disconnect ssh client, remote session {0} ({1})", RemoteSessionID, e);
}
finally
{
client?.Dispose();
client = null;
}
}
/// <summary>
/// Initiate graceful disconnect from client and clean up used resources
/// </summary>
public void Disconnect()
{
if (_sshClient != null)
{
if (_sshClient.IsConnected)
{
_sshClient.Disconnect();
}
_sshClient.Dispose();
}
if (_sftpClient != null)
{
if (_sftpClient.IsConnected)
{
_sftpClient.Disconnect();
}
_sftpClient.Dispose();
}
}
public void SSHRunCommandWithBuiltClient()
{
var sshClient = new SshClient("test.rebex.net", "demo", "password");
sshClient.Connect();
var runCommandActivity = new SSHRunCommandActivity
{
Command = "help",
Timeout = TimeSpan.FromSeconds(3),
SSHClient = new InArgument <SshClient>((ctx) => sshClient)
};
var output = WorkflowInvoker.Invoke(runCommandActivity);
sshClient.Disconnect();
sshClient.Dispose();
Assert.IsTrue(string.IsNullOrEmpty(Convert.ToString(output["Error"])));
Assert.IsFalse(string.IsNullOrEmpty(Convert.ToString(output["Result"])));
Assert.IsTrue(Convert.ToInt32(output["ExitStatus"]) == 0);
}
private static void RebootByNetwork(string host, string user, string pass)
{
// Locals
string rawASIC = "";
SshClient SSHclient;
SshCommand SSHcmd;
// Send reboot command to linux machine
try
{
SSHclient = new SshClient(host, 22, user, pass);
SSHclient.Connect();
SSHcmd = SSHclient.RunCommand("exec /sbin/reboot");
rawASIC = SSHcmd.Result.ToString();
SSHclient.Disconnect();
SSHclient.Dispose();
}
catch
{
// do nothing for now
}
}
public void Stop()
{
if (_data != null)
{
try
{ // If the device has been unplugged, Close will throw an IOException. This is fine, we'll just keep cleaning up.
_data.Close();
}
catch (IOException) { }
_data = null;
if (_client != null)
{
_client.Disconnect();
_client.Dispose();
_client = null;
}
}
if (_timer != null)
{
_timer.Stop();
_timer = null;
}
}
/// <summary>
/// Sends a command with or without arguments to a remote SSH server, and then returns the response. (Ensure the response will be a single line with no required input!)
/// </summary>
/// <param name="address">The address to connect to</param>
/// <param name="username">The username to use to connect with</param>
/// <param name="password">The password for the username to connect to</param>
/// <param name="scriptName">The name of the script to run</param>
/// <param name="arguments">The arguments (if any) to send after the scriptName</param>
/// <returns>Either the response from the remote client (prefixed with 'P'), or the error that occurred (prefixed with 'F')</returns>
public static string SendCommand(string address, string username, string password, string scriptName, string arguments = "")
{
string response = string.Empty;
try
{
SshClient client = new SshClient(address, username, password);
client.Connect();
if (client.IsConnected)
{
SshCommand command = client.CreateCommand(string.Format("{0} {1}", scriptName, arguments));
command.Execute();
response = command.Result;
}
client.Disconnect();
client.Dispose();
}
catch (Exception exception)
{
return("F" + exception.Message); // F = Fail
}
return("P" + response); // P = Pass
}
public static void Login(string Host, string Username, string Password)
{
var SSH = new SshClient(Host, Username, Password);
try
{
SSH.Connect();
var Command = SSH.RunCommand("uname -a");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("\t[+] Username: "******" Password: "******"@" + Username + "@" + Password);
if (Program.Telegram)
{
TelegramReport(Host, Username, Password, Command.Result.Replace("\n", ""));
}
}
catch (SshAuthenticationException)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("\t[-] Username: "******" Password: "******"\t[-] Connection Refused By Remote Host!");
Console.ForegroundColor = ConsoleColor.White;
Thread.Sleep(100);
}
finally
{
SSH.Dispose();
}
}
public IList <StreamServer> Start(IList <StreamServer> servers, string preCommand, string command)
{
for (int i = 0; i < servers.Count; i++)
{
try
{
var client = new SshClient(servers[i].Server.Ip, "root", servers[i].Server.RootPassword);
client.Connect();
client.RunCommand(preCommand);
var cmd = client.CreateCommand($"nohup {command} >/dev/null 2>&1 & echo $!");
var result = cmd.Execute();
int pid = int.Parse(result);
client.RunCommand($"disown -h {pid}");
client.Disconnect();
client.Dispose();
servers[i].Pid = pid;
}
catch
{
throw new Exception($"Failed to start on server {servers[i].Server.Name}@{servers[i].Server.Ip}");
}
}
return(servers);
}
public override async Task <int> CheckLatestTemperature(CancellationToken cancellationToken)
{
if (!Available)
{
this.client = new SshClient(this.Host, this.User, this.Password);
client.Connect();
Available = true;
}
try
{
using (var command = client.RunCommand("sensors"))
{
//(?<=Core.\d+:\W*\+)\d*\.\d+
if (command.ExitStatus == 0)
{
var temps = this.retrieveTempRegex.Matches(command.Result).Select(x => float.Parse(x.Value));
return((int)temps.Max());
}
else
{
throw new Exception(command.Error);
}
}
}
catch (Exception)
{
Available = false;
throw;
}
finally
{
client.Disconnect();
client.Dispose();
}
}
public void Stop()
{
if (_data != null)
{
// This should be fine, but on disconnect it locks up everything. No closing it doesn't seem to have any adverse effects.
//try
//{ // If the device has been unplugged, Close will throw an IOException. This is fine, we'll just keep cleaning up.
// //_data.Close();
//}
//catch (IOException) { }
_data = null;
if (_client != null)
{
_client.Disconnect();
_client.Dispose();
_client = null;
}
}
if (_timer != null)
{
_timer.Stop();
_timer = null;
}
}
private void sysmem_Click(object sender, EventArgs e)
{
// for debug
// string test_str = "Filesystem Size Used Avail Use% Mounted on\nudev 10M 0 10M 0% /dev\ntmpfs 99M 440K 98M 1% /run\n/dev/mmcblk1p2 3.4G 2.4G 843M 74% /\ntmpfs 246M 0 246M 0% /dev/shm\ntmpfs 246M 0 246M 0% /sys/fs/cgroup\ntmpfs 100M 0 100M 0% /run/user\ntmpfs 5.0M 0 5.0M 0% /run/lock\n/dev/mmcblk0p1 30G 2.8G 27G 10% /var/APM/logs\n/dev/mmcblk1p1 96M 76M 21M 79% /boot/uboot\n";
// TODO: check system memory, status...
// download syslog
//update version
string farring_IP = "11.0.0.1";
string user_name = "root";
string farring_pwd = "9HKBtB4K";
using (var client = new SshClient(farring_IP, user_name, farring_pwd))
{
// connect
try
{
client.Connect();
}
catch (Exception ex)
{
CustomMessageBox.Show(ex.Message, Strings.ERROR);
}
if (!client.IsConnected)
{
CustomMessageBox.Show("无法连接到飞控板，请重试!");
return;
}
try
{
string res = client.RunCommand("df -h").Result;
string[] info = res.Split('\n');
const int padding_len = 12;
string result_str = "内存名称".PadRight(padding_len) + "总大小".PadRight(padding_len - 4) + "已使用".PadRight(padding_len - 3) + "未使用".PadRight(padding_len - 3) + "内存占用率".PadRight(padding_len / 2) + "\n\n";
string res1;
foreach (string info_item in info)
{
// TF card
if (info_item.Contains("/dev/mmcblk0p1"))
{
res1 = @info_item;
int unused_idx = res1.LastIndexOf("%") + 1;
int str_len = res1.Length;
string unused_str = res1.Substring(unused_idx, (str_len - unused_idx));
res1 = res1.Replace(unused_str, "");
res1 = res1.Replace("/dev/mmcblk0p1", "日志分区".PadRight(padding_len / 4));
res1 = Regex.Replace(res1, @"\s+", " ");
result_str += res1.Replace(" ", " ") + "\n\n";
}
else if (info_item.Contains("/dev/mmcblk1p1"))
{
res1 = info_item;
int unused_idx = res1.LastIndexOf("%") + 1;
int str_len = res1.Length;
string unused_str = res1.Substring(unused_idx, (str_len - unused_idx));
res1 = res1.Replace(unused_str, "");
res1 = res1.Replace("/dev/mmcblk1p1", "启动分区".PadRight(padding_len / 4));
res1 = Regex.Replace(res1, @"\s+", " ");
result_str += res1.Replace(" ", " ") + "\n\n";
}
if (info_item.Contains("/dev/mmcblk1p2"))
{
res1 = info_item;
int unused_idx = res1.LastIndexOf("%") + 1;
int str_len = res1.Length;
string unused_str = res1.Substring(unused_idx, (str_len - unused_idx));
res1 = res1.Replace(unused_str, "");
res1 = res1.Replace("/dev/mmcblk1p2", "系统分区".PadRight(padding_len / 4));
res1 = Regex.Replace(res1, @"\s+", " ");
result_str += res1.Replace(" ", " ") + "\n\n";
}
}
CustomMessageBox.Show(result_str, Strings.Done);
}
catch (Exception ex)
{
CustomMessageBox.Show(ex.Message, Strings.ERROR);
}
client.Disconnect();
client.Dispose();
}
}
private void downsyslog_Click(object sender, EventArgs e)
{
// if (status == SerialStatus.Done)
{
// AB ZhaoYJ@2017-03-28 for user-defined dir to save log
// ========= start =========
string save_dir = "";
DateTime now = System.DateTime.Now;
string save_file = "[系统日志]" + now.Year + "年" + now.Month + "月" + now.Day + "日" + now.Hour + "时" +
now.Minute + "分" + now.Second + "秒" + ".slog";
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.RestoreDirectory = true;
saveFileDialog1.Filter = "系统日志|*.slog";
saveFileDialog1.Title = "保存系统日志文件";
saveFileDialog1.FileName += save_file;
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
save_dir = Path.GetDirectoryName(saveFileDialog1.FileName.ToString());
}
else
{
return;
}
// download syslog
//update version
string farring_IP = "11.0.0.1";
string user_name = "root";
string farring_pwd = "9HKBtB4K";
using (var client = new SshClient(farring_IP, user_name, farring_pwd))
{
// connect
try
{
client.Connect();
}
catch (Exception ex)
{
CustomMessageBox.Show(ex.Message, Strings.ERROR);
}
if (!client.IsConnected)
{
CustomMessageBox.Show("无法连接到飞控板，请重试!");
return;
}
try
{
// tar syslog
client.RunCommand("cd /var/APM/logs");
client.RunCommand("rm -rf /var/APM/logs/tmp_syslog; mkdir -p /var/APM/logs/tmp_syslog;");
client.RunCommand("cp -rf /var/log/ /var/APM/logs/tmp_syslog; cp -f /var/APM/logs/run.log /var/APM/logs/tmp_syslog; cp -f /var/APM/logs/update_log /var/APM/logs/tmp_syslog; cp -f /root/app /var/APM/logs/tmp_syslog; cp -f /var/APM/ArduCopter.stg /var/APM/logs/tmp_syslog; cp -f /root/SN /var/APM/logs/tmp_syslog");
client.RunCommand("cd /var/APM/logs; tar -czf tmp.tar.gz tmp_syslog;sync;sync");
}
catch (Exception ex)
{
CustomMessageBox.Show(ex.Message, Strings.ERROR);
}
// get syslog
var sftp_inst = new SftpClient(farring_IP, 22, user_name, farring_pwd);
sftp_inst.Connect();
if (sftp_inst.IsConnected)
{
var fileStream = File.OpenWrite(@save_dir + "\\" + save_file);
if (fileStream != null)
{
//
try
{
sftp_inst.DownloadFile("/var/APM/logs/tmp.tar.gz", fileStream);
sftp_inst.Disconnect();
sftp_inst.Dispose();
}
catch (Exception ex)
{
CustomMessageBox.Show(ex.Message, Strings.ERROR);
}
}
}
else
{
CustomMessageBox.Show("无法连接到飞控板，请重试!");
return;
}
try
{
// clean up
client.RunCommand("rm -fr /var/APM/logs/tmp.tar.gz /var/APM/logs/tmp_syslog");
client.Disconnect();
client.Dispose();
}
catch (Exception ex)
{
CustomMessageBox.Show(ex.Message, Strings.ERROR);
}
CustomMessageBox.Show("系统日志文件下载成功", Strings.Done);
}
}
}
public override void Dispose()
{
SshClient?.Dispose();
SshClient = null;
}
private SshCommand[] SendCommand(string[] theCommands, bool WaitForResult = true)
{
SshCommand[] Response = new SshCommand[theCommands.Length];
Task <SshCommand>[] Tasks = new Task <SshCommand> [theCommands.Length];
var client = new SshClient(IPAddressTextBox.Text, UserNameTextBox.Text, PasswordTextBox.Text);
try
{
client.Connect();
}
catch (System.Net.Sockets.SocketException theException)
{
AppendTextOutputWindow(theException.Message);
}
catch (Renci.SshNet.Common.SshConnectionException theException)
{
AppendTextOutputWindow(theException.Message);
}
catch (Renci.SshNet.Common.SshAuthenticationException theException)
{
AppendTextOutputWindow(theException.Message);
}
if (client.IsConnected)
{
for (int i = 0; i < theCommands.Length; i++)
{
int index = i;
Tasks[index] = Task.Run(() =>
{
try
{
return(client.RunCommand(theCommands[index]));
}
catch (Exception ex)
{
AppendTextOutputWindow(ex.Message);
return(null);
}
});
}
if (WaitForResult)
{
if (!Task.WaitAll(Tasks, 5000))
{
return(new SshCommand[0]);
}
try
{
client.Disconnect();
}
catch (ObjectDisposedException theException)
{
AppendTextOutputWindow(theException.Message);
}
for (int i = 0; i < theCommands.Length; i++)
{
Response[i] = Tasks[i].Result;
}
client.Dispose();
}
else
{
Task.Delay(3000).ContinueWith(T =>
{
client.Dispose();
});
return(new SshCommand[0]);
}
}
else
{
return(new SshCommand[0]);
}
return(Response);
}