Imports Bitvise.FlowSshNet
Public Enum ExitCodes
Success = 0
UsageError = 1
SessionError = 2
FatalError = 3
End Enum
Public Enum DisconnectReason
Exception = 0
FlowError = 1
ConnectionError = 2
ConnectionLost = 3
ByServer = 4
ByClient = 5
End Enum
Public Class MyClient
Inherits Client
Dim aTimer As New System.Timers.Timer
Private Sub tick(ByVal sender As Object, ByVal e As System.Timers.ElapsedEventArgs)
aTimer.Stop()
FlowSshNet_VbTnl.Main()
End Sub
Public Sub New()
AddHandler OnHostKey, AddressOf OnMyHostKey
AddHandler OnForwardingLog, AddressOf OnMyForwardingLog
AddHandler OnDisconnect, AddressOf OnMyDisconnect
AddHandler aTimer.Elapsed, AddressOf tick
End Sub
Sub Main()
aTimer.AutoReset = True
aTimer.Interval = 10000 '10 seconds
End Sub
Public Sub OnMyDisconnect(ByVal sender As Object, ByVal reason As DisconnectReason, ByVal desc As String)
aTimer.Start()
End Sub
Public Function OnMyHostKey(ByVal sender As Object, ByVal publicKey As PublicKey) As Boolean
Console.WriteLine("Received the following host key: ")
Console.WriteLine(" MD5 Fingerprint: {0}", publicKey.GetMd5())
Console.WriteLine(" Bubble-Babble: {0}", publicKey.GetBubbleBabble())
Console.WriteLine(" SHA-256: {0}", publicKey.GetSha256())
Return True
End Function
Public Sub OnMyForwardingLog(ByVal sender As Object, ByVal log As ForwardingLog)
Console.WriteLine(log.Desc)
End Sub
End Class
Module FlowSshNet_VbTnl
Sub OnUncaughtExceptionInEvent(ByVal sender As Object, ByVal fatal As Boolean, ByVal e As System.Exception)
Console.WriteLine("Error: {0}", e.ToString())
Environment.Exit(ExitCodes.FatalError)
End Sub
Function Main() As Integer
Try
AddHandler SshNet.OnExceptionInEvent, AddressOf OnUncaughtExceptionInEvent
Dim client As MyClient = New MyClient
client.SetAppName("FlowSshNet_VbTnl")
client.SetHost("1.1.1.1")
client.SetPort(22)
client.SetUserName("user")
client.SetPassword("password")
client.SetProxyType(ProxyType.HttpConnect)
client.SetProxyHost("1.1.1.5")
client.SetProxyPort("8080")
client.SetProxyUserName("userproxy")
client.SetProxyPassword("userpass")
Dim progress As ProgressHandler = New ProgressHandler
client.Connect(progress)
progress.WaitDone()
If Not progress.Success() Then
Dim connectStep As UInt32 = progress.GetTaskSpecificStep()
Dim auxInfo As String = progress.GetAuxInfo()
Dim connErr As String = ProgressHandler.DescribeConnectError(connectStep, auxInfo)
Console.WriteLine("{0}", connErr)
Else
Dim proxy As ProxyForwarding = New ProxyForwarding
proxy.ListInterface = "127.0.0.1"
proxy.ListPort = 1080
Dim enableProxyHandler As ForwardingHandler = New ForwardingHandler
client.EnableProxyForwarding(proxy, enableProxyHandler)
enableProxyHandler.WaitDone()
If (enableProxyHandler.Success()) Then
Console.WriteLine("Proxy forwarding enabled, listening port: {0}", enableProxyHandler.GetListPort().ToString())
Else
Console.WriteLine("Error enabling proxy forwarding: {0}", enableProxyHandler.GetError().Desc)
End If
Console.WriteLine("Press Esc to stop forwarding")
While Console.ReadKey(True).Key <> ConsoleKey.Escape
End While
If (enableProxyHandler.Success()) Then
Dim handler As ForwardingHandler = New ForwardingHandler
client.DisableProxyForwarding(handler)
handler.WaitDone()
If (handler.Success()) Then
Console.WriteLine("Proxy forwarding disabled")
Else
Console.WriteLine("Error disabling proxy forwarding: {0}", handler.GetError().Desc)
End If
End If
client.Disconnect(New ProgressHandler)
Console.WriteLine("Press Esc to exit")
While Console.ReadKey(True).Key <> ConsoleKey.Escape
End While
End If
Catch e As System.Exception
Console.WriteLine(e.Message)
Return ExitCodes.FatalError
Finally
SshNet.Shutdown()
End Try
Return ExitCodes.Success
End Function
End Module
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