public static void Connect()
{
try
{
var jsch = new JSch();
_session = jsch.getSession(Settings.SSHUsername, Settings.SSHHost, Settings.SSHPort);
_session.setHost(Settings.SSHHost);
_session.setPassword(Settings.SSHPassword);
UserInfo ui = new MyUserInfo(Settings.SSHPassword);
_session.setUserInfo(ui);
_session.connect();
int port;
if (!int.TryParse(Settings.Port, out port))
port = 3306;
_session.setPortForwardingL(Settings.SSHLocalPort, "localhost", port);
if (!_session.isConnected())
Enabled = false;
}
catch (Exception ex)
{
Enabled = false;
Trace.WriteLine(ex.Message + " at ssh connect.");
Disconnect();
}
}
public SshHelper(string Host, string UserName, string Password)
{
host = Host;
var jsch = new JSch();
session = jsch.getSession(UserName, host, 22);
session.setPassword(Password);
var config = new Hashtable { { "StrictHostKeyChecking", "no" } };
session.setConfig(config);
session.connect();
channel = (ChannelShell)session.openChannel("shell");
writer_po = new PipedOutputStream();
var writer_pi = new PipedInputStream(writer_po);
var reader_pi = new PipedInputStream();
var reader_po = new PipedOutputStream(reader_pi);
reader = new StreamReader(reader_pi, Encoding.UTF8);
channel.setInputStream(writer_pi);
channel.setOutputStream(reader_po);
channel.connect();
channel.setPtySize(132, 132, 1024, 768);
}
/// <summary>
/// Constructs a new SSH stream.
/// </summary>
/// <param name="host">The hostname or IP address of the remote SSH machine</param>
/// <param name="username">The name of the user connecting to the remote machine</param>
/// <param name="password">The password of the user connecting to the remote machine</param>
public SshStream(string host, string username, string password)
{
this.m_host = host;
JSch jsch=new JSch();
m_session=jsch.getSession(username, host, 22);
m_session.setPassword( password );
Hashtable config=new Hashtable();
config.Add("StrictHostKeyChecking", "no");
m_session.setConfig(config);
m_session.connect();
m_channel=(ChannelShell)m_session.openChannel("shell");
m_in = m_channel.getInputStream();
m_out = m_channel.getOutputStream();
m_channel.connect();
m_channel.setPtySize(80, 132, 1024, 768);
Prompt = "\n";
m_escapeCharPattern = "\\[[0-9;?]*[^0-9;]";
}
/// <summary>
/// This class creates a jsch instance using the host that user wants. This makes it possible to
/// forward the MySql Database port to a user's local port.
/// </summary>
public string jschServer(string host, string user, string password)
{
try
{
// Create a new JSch instance
JSch jsch = new JSch();
// Saves the info to make other sessions
this.host = host;
this.user = user;
this.password = password;
// Create a new SSH session
session = jsch.getSession(user, password, port);
session.setHost(host); ;
session.setPassword(password);
// Creates a userinfo instance to pass into the session
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
return null;
}
catch (Exception ex)
{
session.disconnect();
return ex.Message;
}
}
internal bool SSHConnect()
{
try
{
channels_ = new Dictionary<int, ChannelSftp>();
jsch_ = new JSch();
Hashtable config = new Hashtable();
config["StrictHostKeyChecking"] = "no";
if (identity_ != null)
jsch_.addIdentity(identity_, passphrase_);
session_ = jsch_.getSession(user_, host_, port_);
session_.setConfig(config);
session_.setUserInfo(new DokanUserInfo(password_, passphrase_));
session_.setPassword(password_);
session_.connect();
return true;
}
catch (Exception e)
{
Debug(e.ToString());
return false;
}
}
protected override void OnStart(string[] args)
{
bool ontWorkerInstantiated = false;
if (Repository.Configuration.Processes == null)
return;
if (Repository.Configuration.Database.SSH.Enabled)
{
try
{
//Create a new SSH session
_jsch = new JSch();
_sshSession = _jsch.getSession(
Repository.Configuration.Database.SSH.UserID,
Repository.Configuration.Database.SSH.Host,
Repository.Configuration.Database.SSH.Port);
_sshSession.setHost(Repository.Configuration.Database.SSH.Host);
_sshSession.setPassword(Repository.Configuration.Database.SSH.Password);
UserInfo ui = new JschUserInfo();
_sshSession.setUserInfo(ui);
// Connect
_sshSession.connect();
//Set port forwarding on the opened session
_sshSession.setPortForwardingL(
Repository.Configuration.Database.SSH.LocalPort,
Repository.Configuration.Database.SSH.ForwardingHost,
Repository.Configuration.Database.SSH.RemotePort);
if (!_sshSession.isConnected())
throw new Exception("SSH Session did not connect.");
}
catch (Exception ex)
{
EventLogWriter.WriteError("Could not start due to SSH Error:\n{0}", ex);
return;
}
}
foreach (TextMinerServiceSettingsProcess process in Repository.Configuration.Processes)
{
if (!process.Enabled)
continue;
switch (process.Type)
{
case ProcessType.OntologySubsetWorker:
{
// Only one thread of this type allowed
if (ontWorkerInstantiated == true)
continue;
process.Worker = new Worker.OntologySubset(process.PollingInterval, process.Timeout, process.ResponseTimeout);
ontWorkerInstantiated = true;
break;
}
case ProcessType.PubMed:
{
process.Worker = new Worker.PubMed(process.PollingInterval, process.Timeout, process.PostPollingInterval, process.ResponseTimeout, process.OntogratorTab);
break;
}
case ProcessType.Pubget:
{
process.Worker = new Worker.Pubget(process.PollingInterval, process.Timeout, process.PostPollingInterval, process.ResponseTimeout, process.OntogratorTab);
break;
}
case ProcessType.ClinicalTrialsGov:
{
process.Worker = new Worker.ClinicalTrialsGov(process.PollingInterval, process.Timeout, process.PostPollingInterval, process.ResponseTimeout, process.OntogratorTab);
break;
}
default:
{
continue;
}
}
process.Thread = new Thread(new ThreadStart(process.Worker.Start));
process.Thread.Start();
}
}
protected void OpenSSH()
{
try
{
//Create a new SSH session
_jsch = new JSch();
_sshSession = _jsch.getSession(
Settings.SSHUserID,
Settings.SSHHost,
int.Parse(Settings.SSHPort));
_sshSession.setHost(Settings.SSHHost);
_sshSession.setPassword(Settings.SSHPassword);
UserInfo ui = new JschUserInfo();
_sshSession.setUserInfo(ui);
// Connect
_sshSession.connect();
//Set port forwarding on the opened session
_sshSession.setPortForwardingL(
int.Parse(Settings.SSHLocalPort),
Settings.SSHForwardingHost,
int.Parse(Settings.SSHRemotePort));
if (!_sshSession.isConnected())
throw new Exception("SSH Session did not connect.");
}
catch (Exception ex)
{
MessageBox.Show(string.Format("Could not start due to SSH Error:\n{0}", ex));
return;
}
}
/// <summary>
/// Initiates a new SCP response on sourceforge.net for downloading a file.
/// </summary>
/// <param name="uri">URI to download (includes username and password)</param>
/// <param name="timeout">Timeout for this session</param>
public ScpWebResponse(Uri uri, int timeout)
{
JSch jsch = new JSch();
string[] userPass = uri.UserInfo.Split(':');
if (userPass.Length != 2)
{
throw new WebException("Username and password information for sourceforge.net incomplete");
}
session = jsch.getSession(userPass[0], "frs.sourceforge.net", 22);
// username and password will be given via UserInfo interface.
//UserInfo ui = new UserInfo();
//session.setUserInfo(ui);
session.setPassword(userPass[1]);
Hashtable hastable = new Hashtable();
hastable.put("StrictHostKeyChecking", "no");
session.setConfig(hastable);
if (DbManager.Proxy != null)
{
session.setProxy(new ProxyHTTP(DbManager.Proxy.Address.Host, DbManager.Proxy.Address.Port));
}
try
{
session.connect(timeout);
}
catch (JSchException e)
{
if (e.Message == "Auth fail")
{
throw new WebException("Invalid username or password for sourceforge");
}
throw;
}
// exec 'scp -f rfile' remotely
string sfPath = GetSourceforgePath(uri.LocalPath);
// Determine file modified date
ChannelSftp channelSftp = (ChannelSftp)session.openChannel("sftp");
channelSftp.connect();
try
{
SftpATTRS attrs = channelSftp.lstat(sfPath);
this.lastModified = RpcApplication.UnixToDotNet(attrs.getMTime());
}
catch (SftpException)
{
throw new WebException("The file \"" + sfPath + "\" could not be found.");
}
finally
{
channelSftp.disconnect();
}
String command = "scp -f " + sfPath.Replace(" ", "\\ ");
Channel channel = session.openChannel("exec");
((ChannelExec)channel).setCommand(command);
// get I/O streams for remote scp
Stream outs = channel.getOutputStream();
Stream ins = channel.getInputStream();
channel.connect();
byte[] buf = new byte[1024];
// send '\0'
buf[0] = 0; outs.Write(buf, 0, 1); outs.Flush();
int c = checkAck(ins);
if (c != 'C')
{
return;
}
// read '0644 '
ins.Read(buf, 0, 5);
while (true)
{
ins.Read(buf, 0, 1);
if (buf[0] == ' ') break;
this.contentLength = this.contentLength * 10 + (buf[0] - '0');
}
String file = null;
for (int i = 0; ; i++)
{
ins.Read(buf, i, 1);
if (buf[i] == (byte)0x0a)
{
file = Util.getString(buf, 0, i);
break;
}
}
this.responseUri = new Uri("scp://" + session.getHost() + sfPath);
// send '\0'
buf[0] = 0; outs.Write(buf, 0, 1); outs.Flush();
this.responseStream = ins;
}
public static bool Connect(string thost,string tuser,string tpass,string tport)
{
try
{
JSch jsch = new JSch();
host = thost;
user = tuser;
pass = tpass;
sshPort = Convert.ToInt32(tport);
session = jsch.getSession(user, host, sshPort);
session.setHost(host);
session.setPassword(pass);
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
session.setPortForwardingL(lPort, "127.0.0.1", rPort);
return true;
}
catch (Exception ex)
{
error = ex;
return false;
}
}
