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share.vbs - vbscript script by ActiveXperts Software

share.vbs checks the existence of a share on a host.

Use share.vbs directly from ActiveXperts Network Monitor; in the Manager's 'Monitor' menu, select 'New Check (Script)' and select share.vbs. Configure the required parameter, or press 'Load a working sample'.

In ActiveXperts Network Monitor, Administrators can use three different scripting languages: Powershell, VBScript and SSH.

share.vbs script code

' ///////////////////////////////////////////////////////////////////////////////
' // ActiveXperts Network Monitor  - VBScript based checks
' // For more information about ActiveXperts Network Monitor and VBScript, visit
' // http://www.activexperts.com/support/network-monitor/online/vbscript/
' ///////////////////////////////////////////////////////////////////////////////

Option Explicit

' Declaration of global variables
Dim   SYSDATA, SYSEXPLANATION   ' SYSDATA is displayed in the 'Data' column in the Manager; SYSEXPLANATION in the 'LastResponse' column

' Constants - return values
Const retvalUnknown = 1         ' ActiveXperts Network Monitor functions should always return True (-1, Success), False (0, Error) or retvalUnknown (1, Uncertain)

' // To test a function outside Network Monitor (e.g. using CSCRIPT from the
' // command line), remove the comment character (') in the following lines:
' Dim bResult
' bResult = CheckDirectorySize( "\\localhost\admin$", "", 300 )
' WScript.Echo "Return value: [" & bResult & "]"
' WScript.Echo "SYSDATA: [" & SYSDATA & "]"
' WScript.Echo "SYSEXPLANATION: [" & SYSEXPLANATION & "]"
' ////////////////////////////////////////////////////////////////////////////////////////

Function CheckShare( strHost, strAltCredentials, strShare )
' Description: 
'     Check the existence of a share on a (remote) computer. Use network monitor service credentials to access the (remote) computer
' Parameters:
'     1) strHost As String - Hostname or IP address of the computer you want to check
'     2) strAltCredentials As String - Specify an empty string to use Metwork Monitor service credentials.
'         To use alternate credentials, enter a server that is defined in Server Credentials table.
'         (To define Server Credentials, choose Tools->Options->Server Credentials)
'     3) strShare As String - Name of the share
' Usage:
'     CheckShare( "<Hostname | IP>", "<Empty String | Server>", "<Share>"  )
' Sample:
'     CheckShare( "localhost", "", "C$" )

  Dim strAltLogin, strAltPassword, objWMIService

  CheckShare      = retvalUnknown  ' Default return value, and will be shown as a yellow (uncertain) icon in the Manager
  SYSDATA         = ""             ' SYSDATA displayed in the 'Data' column in the Manager          
  SYSEXPLANATION  = ""             ' SYSEXPLANATION displayed in the 'LastResponse' column in the Manager
  
  strAltLogin     = ""
  strAltPassword  = ""
  
  ' If alternate credentials are specified, retrieve the alternate login and password from the ActiveXperts global settings
  If( strAltCredentials <> "" ) Then	
    If( Not getCredentials( strHost, strAltCredentials, strAltLogin, strAltPassword, SYSEXPLANATION )) Then
      Exit Function
    End If
  End If  

  ' WMI Connect
  If( Not wmiConnect( strHost, strAltLogin, strAltPassword, objWMIService, SYSEXPLANATION ) ) Then
    Exit Function
  End If

  CheckShare      = checkShareWMI( objWMIService, strHost, strShare, SYSEXPLANATION )

End Function


' //////////////////////////////////////////////////////////////////////////////
' // --- Private Functions section ---
' // Private functions names should start with a lower case character, so they 
' // will not be listed in the Network Monitor's function browser.
' //////////////////////////////////////////////////////////////////////////////

Function checkShareWMI( objWMIService, strHost, strShare, BYREF strExplanation )

  Dim colShares, objShare

  checkShareWMI = retvalUnknown  ' Default return value

On Error Resume Next
  Set colShares = objWMIService.ExecQuery( "Select * from Win32_Share" )
  If( colShares.Count <= 0 ) Then
    checkShareWMI   = True
    strExplanation  =  "No shares found on computer [" & strHost & "]." 
    Exit Function			    
  End If
On Error Goto 0

  For Each objShare In colShares
    If( Err.Number <> 0 ) Then
      checkShareWMI  = True
      strExplanation = "No shares found on computer [" & strHost & "]." 
      Exit Function 
    End If

    If( UCase( objShare.Name ) = UCase( strShare ) ) Then 
      If( UCase( objShare.Status ) <> "OK" ) Then
        checkShareWMI = False
      Else
        checkShareWMI = True
      End If

      strExplanation  = "Status of share [\\" & strHost & "\" & strShare & "]: " & objShare.Status
      Exit Function
    End If
  Next

  checkShareWMI = False
  strExplanation = "Share [\\" & strHost & "\" & strShare & "] does not exist"

End Function


' //////////////////////////////////////////////////////////////////////////////

Function getCredentials( strHost, strAltCredentials, BYREF strAltLogin, BYREF strAltPassword, BYREF strSysExplanation )	

  Dim objNMServerCredentials
  
  strAltLogin = ""
  strAltPassword = ""
  strSysExplanation = ""
  
  getCredentials  = False    
  
  If( strAltCredentials = "" ) Then
    ' No alternate credentials specified, so login and password are empty and service credentials will be used
    getCredentials = True
    Exit Function
  End If
  
  Set objNMServerCredentials = CreateObject( "ActiveXperts.NMServerCredentials" )

  strAltLogin           = objNMServerCredentials.GetLogin( strAltCredentials )
  strAltPassword        = objNMServerCredentials.GetPassword( strAltCredentials )

  If( strAltLogin = "" ) Then
    getCredentials      = False
    strSysExplanation = "No alternate credentials defined for [" & strAltCredentials & "]. In the Manager application, select 'Options' from the 'Tools' menu and select the 'Server Credentials' tab to enter alternate credentials"
    Exit Function
  End If   

  getCredentials = True 

End Function

' //////////////////////////////////////////////////////////////////////////////

Function wmiConnect( strHost, strAltLogin, strAltPassword, BYREF objWMIService, BYREF strSysExplanation )	

  Dim objSWbemLocator, colItems
  Dim bConnectResult

  wmiConnect         = False
  Set objWMIService  = Nothing
      
  If( strAltLogin = "" ) Then	
    ' Connect to remote host on same domain using same security context
On Error Resume Next    
    Set objWMIService     = GetObject( "winmgmts:{impersonationLevel=Impersonate}!\\" & strHost &"\root\cimv2" )
    If( Err.Number <> 0 ) Then
      bConnectResult = False
    Else
      bConnectResult = True
    End If
On Error Goto 0    
    
  Else
    ' Connect to remote host using different security context and/or different domain 
On Error Resume Next        
    Set objSWbemLocator   = CreateObject( "WbemScripting.SWbemLocator" )
    Set objWMIService     = objSWbemLocator.ConnectServer( strHost, "root\cimv2", strAltLogin, strAltPassword )

    If( Err.Number <> 0 ) Then
      bConnectResult = False
    Else
      bConnectResult = True
    End If

    objWMIService.Security_.ImpersonationLevel = 3
On Error Goto 0    
    
  End If

  If( Not bConnectResult ) Then
    Set objWMIService  = Nothing
    wmiConnect         = False
    strSysExplanation  = "Unable to connect to [" & strHost & "]. Possible reasons: no WMI installed on the remote server, firewall blocking WMI calls, login failure, or remote server down"
    Exit Function
  End If    
  
  wmiConnect = True 
End Function
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