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Attribute VB_Name = "Module_Main" |
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Option Explicit |
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|
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' see: How To Obtain the IP Address Assigned to a RAS Client |
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' http://support.microsoft.com/default.aspx?scid=kb;en-us;160622 |
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|
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' see: RasGetProjectionInfo |
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' http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wcecomm5/html/wce50lrfRasGetProjectionInfo.asp |
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|
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' http://home.iprimus.com.au/billmcc/PlatformVB/dun/rasenumentries.htm |
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' http://home.iprimus.com.au/billmcc/PlatformVB/dun/raserrorhandler.htm |
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' http://www.mentalis.org/apilist/RasEnumEntries.shtml |
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|
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' http://www.activevb.de/tipps/tipkat/kat1.html |
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' http://www.activevb.de/rubriken/apikatalog/deklarationen/rasenumentries.html |
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' http://www.dotnet247.com/247reference/msgs/18/93960.aspx |
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|
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' contains all ras entry objects |
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Public RasEntries As New Collection |
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|
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' globals to store connection name and state |
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Public ConnectionName As String |
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Public ConnectionOnline As Boolean |
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|
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' globals to store information about action to do on up|down |
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Enum ActionTypes |
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RUN_SCRIPT |
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ADD_ROUTE |
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End Enum |
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Public ActionType As ActionTypes |
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|
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Public ScriptName As String |
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Public RouteNet As String, RouteMask As String |
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|
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Const RouteMaskDefault As String = "255.255.255.0" |
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|
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|
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Sub Main() |
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|
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Dim cmdline As New CommandLine |
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Dim conName As String |
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Dim rasItem As RasEntryData |
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Dim success As Boolean |
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|
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Dim script_name As String, script_args As String |
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Dim setup_user As String, setup_pass As String |
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|
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ReadRasEntries |
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cmdline.parse |
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|
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'If cmdline.hasSwitch("gui") Then |
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' Form_Main.Show |
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'Else |
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|
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' dial command |
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If cmdline.hasSwitch("dial") Then |
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|
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conName = cmdline.getArgument("dial") |
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On Error Resume Next |
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Set rasItem = RasEntries(conName) |
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If Err.Number = 0 Then |
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success = RasConnect(rasItem.entryname, rasItem.PhonebookPath) |
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Else |
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MsgBox "Unkown RAS-Connection """ & conName & """." |
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End If |
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On Error GoTo 0 |
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|
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' hangup command |
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ElseIf cmdline.hasSwitch("hangup") Then |
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conName = cmdline.getArgument("hangup") |
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success = RasDisconnect(conName) |
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'MsgBox success |
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|
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'End If |
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|
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' run script |
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ElseIf cmdline.hasSwitch("script") And success = True Then |
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script_name = cmdline.getArgument("script") |
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If script_name <> "" Then |
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script_args = Chr(34) & DetermineClientIP(conName) & Chr(34) & " " & Chr(34) & DetermineServerIP(conName) & Chr(34) |
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Shell App.Path & "\" & script_name & " " & script_args, vbHide |
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End If |
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'End If |
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|
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' setup |
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ElseIf cmdline.hasSwitch("setup") Then |
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conName = cmdline.getArgument("setup") |
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If conName <> "" Then |
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|
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On Error Resume Next |
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Set rasItem = RasEntries(conName) |
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If Err.Number <> 0 Then |
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MsgBox "Error while accessing RAS entry """ & conName & """." & vbCrLf & "Probably it does not exist?" |
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End |
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End If |
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On Error GoTo 0 |
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|
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If cmdline.hasSwitch("gui") Then |
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With Form_Credentials |
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.ras_connectionName = rasItem.entryname |
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.ras_phoneBook = rasItem.PhonebookPath |
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.Show |
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End With |
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|
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ElseIf cmdline.hasSwitch("user") And cmdline.hasSwitch("pass") Then |
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setup_user = cmdline.getArgument("user") |
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setup_pass = cmdline.getArgument("pass") |
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SetupRasEntry rasItem.entryname, rasItem.PhonebookPath, setup_user, setup_pass |
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End If |
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|
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End If |
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|
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' monitor |
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ElseIf cmdline.hasSwitch("monitor") Then |
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conName = cmdline.getArgument("monitor") |
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If conName <> "" Then |
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|
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' run script |
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If cmdline.hasSwitch("script") Then |
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ActionType = RUN_SCRIPT |
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ScriptName = cmdline.getArgument("script") |
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End If |
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|
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' add a route with target network via gateway |
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If cmdline.hasSwitch("net") Then |
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ActionType = ADD_ROUTE |
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RouteNet = cmdline.getArgument("net") |
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If cmdline.hasSwitch("mask") Then |
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RouteMask = cmdline.getArgument("mask") |
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Else |
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RouteMask = RouteMaskDefault |
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End If |
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End If |
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|
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'Set rasItem = RasEntries(conName) |
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'RasRetrieveConnectionHandler conName |
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ConnectionName = conName |
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ConnectionOnline = RasIsOnline(conName) |
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|
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If cmdline.hasSwitch("gui") Then |
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ShowTrayIcon Form_Main, getTrayIconTipText(ConnectionName, ConnectionOnline) |
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End If |
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|
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MonitorRASStatusAsync |
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End If |
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|
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End If |
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|
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'End If |
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|
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End Sub |
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|
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Private Sub ReadRasEntries() |
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|
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Dim myEntries() As VBRasEntryName |
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Dim lngCount As Long |
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Dim rasItem As RasEntryData |
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|
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lngCount = VBRasGetAllEntries(myEntries) |
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|
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'MsgBox lngCount |
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Dim i As Integer |
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Dim curEntry As VBRasEntryName |
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For i = 0 To lngCount - 1 |
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curEntry = myEntries(i) |
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|
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Set rasItem = New RasEntryData |
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rasItem.entryname = curEntry.entryname |
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rasItem.PhonebookPath = curEntry.PhonebookPath |
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rasItem.Win2000_SystemPhonebook = curEntry.Win2000_SystemPhonebook |
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|
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'MsgBox rasItem.entryname |
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On Error Resume Next |
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RasEntries.add rasItem, rasItem.entryname |
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If Err.Number = 457 Then |
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MsgBox "Error: Duplicate RAS entry. Don't know what to dial. This error should not occour." |
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End If |
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On Error GoTo 0 |
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Next i |
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|
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End Sub |
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|
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' callback from MonitorRASStatusAsync |
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Public Sub detectOnlineOfflineChange() |
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Dim isOnline As Boolean |
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Dim script_name As String, script_args As String |
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Dim cmd As String |
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|
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isOnline = RasIsOnline(ConnectionName) |
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|
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If ConnectionOnline <> isOnline Then |
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'MsgBox isOnline |
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|
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Select Case ActionType |
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|
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Case RUN_SCRIPT: |
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script_name = ScriptName |
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If script_name <> "" Then |
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script_args = Chr(34) & DetermineClientIP(ConnectionName) & Chr(34) & " " & Chr(34) & DetermineServerIP(ConnectionName) & Chr(34) |
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cmd = App.Path & "\" & script_name & " " & script_args |
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End If |
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|
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Case ADD_ROUTE: |
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' connection goes online |
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If isOnline = True Then |
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script_name = "route" |
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script_args = "add " & RouteNet & " mask " & RouteMask & " " & DetermineClientIP(ConnectionName) |
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cmd = script_name & " " & script_args |
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|
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' connection goes offline |
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Else |
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' Nothing to do in this case |
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|
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End If |
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|
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End Select |
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|
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If cmd <> "" Then |
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'MsgBox cmd |
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On Error Resume Next |
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Shell cmd, vbHide |
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'Shell cmd, vbNormalFocus |
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'If Err.Number <> 0 Then |
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' MsgBox "Error while calling cmd: " & cmd & vbCrLf & "Error-Number: " & Err.Number |
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'End If |
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On Error GoTo 0 |
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End If |
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|
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ConnectionOnline = isOnline |
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|
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UpdateTrayIcon getTrayIconTipText(ConnectionName, ConnectionOnline) |
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|
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End If |
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End Sub |
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|
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Private Function getTrayIconTipText(conName As String, isOnline As Boolean) As String |
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Dim TipText As String |
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TipText = "VpnDial monitoring """ & conName & """: " |
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If isOnline Then |
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TipText = TipText & "online" |
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Else |
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TipText = TipText & "offline" |
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End If |
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getTrayIconTipText = TipText |
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End Function |
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