startup.vbs 可以列出有关指定计算机(即使是一台远程计算机)的所有启动命令,包括运行该命令的用户及运行依据的确切语法。
'******************************************************************** '* '* file: Startup.vbs '* Created: March 1999 '* Version: 1.0 '* '* Main Function: Enumerates the startup programs. '* '* Startup.vbs.vbs [/S <server>] [/U <username>] [/W <password>] '* [/O <outputfile>] '* '* Copyright (C) 1999 Microsoft Corporation '* '********************************************************************
OPTION EXPLICIT
'Define constants CONST CONST_ERROR = 0 CONST CONST_WSCRIPT = 1 CONST CONST_CSCRIPT = 2 CONST CONST_SHOW_USAGE = 3 CONST CONST_PROCEED = 4
'Declare variables Dim intOpMode, i Dim strServer, strUserName, strPassword, strOutputFile
'Make sure the host is csript, if not then abort VerifyHostIsCscript()
'Parse the command line intOpMode = intParseCmdLine(strServer , _ strUserName , _ strPassword , _ strOutputFile )
Select Case intOpMode
Case CONST_SHOW_USAGE Call ShowUsage()
Case CONST_PROCEED Call LstSerialInfo(strServer , _ strOutputFile , _ strUserName , _ strPassword )
Case CONST_ERROR 'Do Nothing
Case Else 'Default -- should never happen Call Wscript.Echo("Error occurred in passing parameters.")
End Select
'******************************************************************** '* End of Script '********************************************************************
'******************************************************************** '* '* Sub GetStartupInfo() '* '* Purpose: Enumerates the startup programs. '* '* Input: strServer a machine name '* strOutputFile an output file name '* strUserName the current user's name '* strPassword the current user's password '* '* Output: Results are either printed on screen or saved in strOutputFile. '* '******************************************************************** Private Sub LstSerialInfo(strServer, strOutputFile, strUserName, strPassword)
ON ERROR RESUME NEXT
Dim objFileSystem, objOutputFile, objService, objStSet, objStart, objWshNet Dim strQuery, strMessage, strCat
'Open a text file for output if the file is requested If Not IsEmpty(strOutputFile) Then If (NOT blnOpenFile(strOutputFile, objOutputFile)) Then Call Wscript.Echo ("Could not open an output file.") Exit Sub End If End If
'Establish a connection with the server. If blnConnect("root\cimv2" , _ strUserName , _ strPassword , _ strServer , _ objService ) Then Call Wscript.Echo("") Call Wscript.Echo("Please check the server name, " _ & "credentials and WBEM Core.") Exit Sub End If
'Get the startup commands Set objStSet = objService.InstancesOf("Win32_StartupCommand") If Err.Number Then Wscript.Echo("Error 0x" & CStr(Hex(Err.Number)) & _ " occurred getting the startup instances.") If Err.Description <> "" Then Wscript.Echo("Error description: " & Err.Description & ".") End If Err.Clear Exit Sub End If
If IsEmpty(strServer) Then Set objWshNet = CreateObject("Wscript.Network") strServer = objWshNet.ComputerName End If
Call WriteLine("Startup commands on Machine " & strServer, objOutputFile) Call WriteLine("", objOutputFile) 'Generate the header strMessage = Empty strMessage = strMessage + strPackString("User", 12, 1, 1) strMessage = strMessage + strPackString("Name", 20, 1, 1) strMessage = strMessage + strPackString("Command", 40, 1, 1) Call WriteLine(strMessage, objOutputFile)
For Each objStart in objStSet strMessage = Empty
strMessage = strMessage + strPackString(objStart.User, 12, 1, 1) strMessage = strMessage + strPackString(objStart.Caption, 20, 1, 1) strMessage = strMessage + strPackString(objStart.Command, 47, 1, 1)
Call WriteLine(strMessage, objOutputFile) Next If IsObject(objOutputFile) Then objOutputFile.Close Call Wscript.Echo ("Results are saved in file " & strOutputFile & ".") End If
End Sub
'******************************************************************** '* '* Function intParseCmdLine() '* '* Purpose: Parses the command line. '* Input: '* '* Output: strServer a remote server ("" = local server") '* strUserName the current user's name '* strPassword the current user's password '* strOutputFile an output file name '* '******************************************************************** Private Function intParseCmdLine( ByRef strServer, _ ByRef strUserName, _ ByRef strPassword, _ ByRef strOutputFile )
ON ERROR RESUME NEXT
Dim strFlag Dim intState, intArgIter Dim objFileSystem
If Wscript.Arguments.Count > 0 Then strFlag = Wscript.arguments.Item(0) End If
If IsEmpty(strFlag) Then 'No arguments have been received intParseCmdLine = CONST_PROCEED Exit Function End If
'Check if the user is asking for help or is just confused If (strFlag="help") OR (strFlag="/h") OR (strFlag="\h") OR (strFlag="-h") _ OR (strFlag = "\?") OR (strFlag = "/?") OR (strFlag = "?") _ OR (strFlag="h") Then intParseCmdLine = CONST_SHOW_USAGE Exit Function End If
'Retrieve the command line and set appropriate variables intArgIter = 0 Do While intArgIter <= Wscript.arguments.Count - 1 Select Case Left(LCase(Wscript.arguments.Item(intArgIter)),2) Case "/s" If Not blnGetArg("Server", strServer, intArgIter) Then intParseCmdLine = CONST_ERROR Exit Function End If intArgIter = intArgIter + 1
Case "/o" If Not blnGetArg("Output File", strOutputFile, intArgIter) Then intParseCmdLine = CONST_ERROR Exit Function End If intArgIter = intArgIter + 1
Case "/u" If Not blnGetArg("User Name", strUserName, intArgIter) Then intParseCmdLine = CONST_ERROR Exit Function End If intArgIter = intArgIter + 1
Case "/w" If Not blnGetArg("User Password", strPassword, intArgIter) Then intParseCmdLine = CONST_ERROR Exit Function End If intArgIter = intArgIter + 1
Case Else 'We shouldn't get here Call Wscript.Echo("Invalid or misplaced parameter: " _ & Wscript.arguments.Item(intArgIter) & vbCRLF _ & "Please check the input and try again," & vbCRLF _ & "or invoke with '/?' for help with the syntax.") Wscript.Quit
End Select
Loop '** intArgIter <= Wscript.arguments.Count - 1
If IsEmpty(intParseCmdLine) Then _ intParseCmdLine = CONST_PROCEED
End Function
'******************************************************************** '* '* Sub ShowUsage() '* '* Purpose: Shows the correct usage to the user. '* '* Input: None '* '* Output: Help messages are displayed on screen. '* '******************************************************************** Private Sub ShowUsage()
Wscript.Echo "" Wscript.Echo "Enumerates the startup programs on a machine." Wscript.Echo "" Wscript.Echo "SYNTAX:" Wscript.Echo " Startup.vbs [/S <server>] [/U <username>]" _ &" [/W <password>]" Wscript.Echo " [/O <outputfile>]" Wscript.Echo "" Wscript.Echo "PARAMETER SPECIFIERS:" Wscript.Echo " server A machine name." Wscript.Echo " username The current user's name." Wscript.Echo " password Password of the current user." Wscript.Echo " outputfile The output file name." Wscript.Echo "" Wscript.Echo "EXAMPLE:" Wscript.Echo "1. Startup.VBS" Wscript.Echo " Lists startup programs on the current machine." Wscript.Echo "2. Startup.VBS /S MyMachine2" Wscript.Echo " Lists startup programs on the machine MyMachine2."
End Sub
'******************************************************************** '* General Routines '********************************************************************
'******************************************************************** '* '* Function strPackString() '* '* Purpose: Attaches spaces to a string to increase the length to intWidth. '* '* Input: strString a string '* intWidth the intended length of the string '* blnAfter Should spaces be added after the string? '* blnTruncate specifies whether to truncate the string or not if '* the string length is longer than intWidth '* '* Output: strPackString is returned as the packed string. '* '******************************************************************** Private Function strPackString( ByVal strString, _ ByVal intWidth, _ ByVal blnAfter, _ ByVal blnTruncate)
ON ERROR RESUME NEXT
intWidth = CInt(intWidth) blnAfter = CBool(blnAfter) blnTruncate = CBool(blnTruncate)
If Err.Number Then Call Wscript.Echo ("Argument type is incorrect!") Err.Clear Wscript.Quit End If
If IsNull(strString) Then strPackString = "null" & Space(intWidth-4) Exit Function End If
strString = CStr(strString) If Err.Number Then Call Wscript.Echo ("Argument type is incorrect!") Err.Clear Wscript.Quit End If
If intWidth > Len(strString) Then If blnAfter Then strPackString = strString & Space(intWidth-Len(strString)) Else strPackString = Space(intWidth-Len(strString)) & strString & " " End If Else If blnTruncate Then strPackString = Left(strString, intWidth-1) & " " Else strPackString = strString & " " End If End If
End Function
'******************************************************************** '* '* Function blnGetArg() '* '* Purpose: Helper to intParseCmdLine() '* '* Usage: '* '* Case "/s" '* blnGetArg ("server name", strServer, intArgIter) '* '******************************************************************** Private Function blnGetArg ( ByVal StrVarName, _ ByRef strVar, _ ByRef intArgIter)
blnGetArg = False 'failure, changed to True upon successful completion
If Len(Wscript.Arguments(intArgIter)) > 2 then If Mid(Wscript.Arguments(intArgIter),3,1) = ":" then If Len(Wscript.Arguments(intArgIter)) > 3 then strVar = Right(Wscript.Arguments(intArgIter), _ Len(Wscript.Arguments(intArgIter)) - 3) blnGetArg = True Exit Function Else intArgIter = intArgIter + 1 If intArgIter > (Wscript.Arguments.Count - 1) Then Call Wscript.Echo( "Invalid " & StrVarName & ".") Call Wscript.Echo( "Please check the input and try again.") Exit Function End If
strVar = Wscript.Arguments.Item(intArgIter) If Err.Number Then Call Wscript.Echo( "Invalid " & StrVarName & ".") Call Wscript.Echo( "Please check the input and try again.") Exit Function End If
If InStr(strVar, "/") Then Call Wscript.Echo( "Invalid " & StrVarName) Call Wscript.Echo( "Please check the input and try again.") Exit Function End If
blnGetArg = True 'success End If Else strVar = Right(Wscript.Arguments(intArgIter), _ Len(Wscript.Arguments(intArgIter)) - 2) blnGetArg = True 'success Exit Function End If Else intArgIter = intArgIter + 1 If intArgIter > (Wscript.Arguments.Count - 1) Then Call Wscript.Echo( "Invalid " & StrVarName & ".") Call Wscript.Echo( "Please check the input and try again.") Exit Function End If
strVar = Wscript.Arguments.Item(intArgIter) If Err.Number Then Call Wscript.Echo( "Invalid " & StrVarName & ".") Call Wscript.Echo( "Please check the input and try again.") Exit Function End If
If InStr(strVar, "/") Then Call Wscript.Echo( "Invalid " & StrVarName) Call Wscript.Echo( "Please check the input and try again.") Exit Function End If blnGetArg = True 'success End If End Function
'******************************************************************** '* '* Function blnConnect() '* '* Purpose: Connects to machine strServer. '* '* Input: strServer a machine name '* strNameSpace a namespace '* strUserName name of the current user '* strPassword password of the current user '* '* Output: objService is returned as a service object. '* strServer is set to local host if left unspecified '* '******************************************************************** Private Function blnConnect(ByVal strNameSpace, _ ByVal strUserName, _ ByVal strPassword, _ ByRef strServer, _ ByRef objService)
ON ERROR RESUME NEXT
Dim objLocator, objWshNet
blnConnect = False 'There is no error.
'Create Locator object to connect to remote CIM object manager Set objLocator = CreateObject("WbemScripting.SWbemLocator") If Err.Number then Call Wscript.Echo( "Error 0x" & CStr(Hex(Err.Number)) & _ " occurred in creating a locator object." ) If Err.Description <> "" Then Call Wscript.Echo( "Error description: " & Err.Description & "." ) End If Err.Clear blnConnect = True 'An error occurred Exit Function End If
'Connect to the namespace which is either local or remote Set objService = objLocator.ConnectServer (strServer, strNameSpace, _ strUserName, strPassword) ObjService.Security_.impersonationlevel = 3 If Err.Number then Call Wscript.Echo( "Error 0x" & CStr(Hex(Err.Number)) & _ " occurred in connecting to server " _ & strServer & ".") If Err.Description <> "" Then Call Wscript.Echo( "Error description: " & Err.Description & "." ) End If Err.Clear blnConnect = True 'An error occurred End If
'Get the current server's name if left unspecified If IsEmpty(strServer) Then Set objWshNet = CreateObject("Wscript.Network") strServer = objWshNet.ComputerName End If
End Function
'******************************************************************** '* '* Sub VerifyHostIsCscript() '* '* Purpose: Determines which program is used to run this script. '* '* Input: None '* '* Output: If host is not cscript, then an error message is printed '* and the script is aborted. '* '******************************************************************** Sub VerifyHostIsCscript()
ON ERROR RESUME NEXT
Dim strFullName, strCommand, i, j, intStatus
strFullName = WScript.FullName
If Err.Number then Call Wscript.Echo( "Error 0x" & CStr(Hex(Err.Number)) & " occurred." ) If Err.Description <> "" Then Call Wscript.Echo( "Error description: " & Err.Description & "." ) End If intStatus = CONST_ERROR End If
i = InStr(1, strFullName, ".exe", 1) If i = 0 Then intStatus = CONST_ERROR Else j = InStrRev(strFullName, "\", i, 1) If j = 0 Then intStatus = CONST_ERROR Else strCommand = Mid(strFullName, j+1, i-j-1) Select Case LCase(strCommand) Case "cscript" intStatus = CONST_CSCRIPT Case "wscript" intStatus = CONST_WSCRIPT Case Else 'should never happen Call Wscript.Echo( "An unexpected program was used to " _ & "run this script." ) Call Wscript.Echo( "Only CScript.Exe or WScript.Exe can " _ & "be used to run this script." ) intStatus = CONST_ERROR End Select End If End If
If intStatus <> CONST_CSCRIPT Then Call WScript.Echo( "Please run this script using CScript." & vbCRLF & _ "This can be achieved by" & vbCRLF & _ "1. Using ""CScript Startup.vbs arguments"" for Windows 95/98 or" _ & vbCRLF & "2. Changing the default Windows Scripting Host " _ & "setting to CScript" & vbCRLF & " using ""CScript " _ & "//H:CScript //S"" and running the script using" & vbCRLF & _ " ""Startup.vbs arguments"" for Windows NT/2000." ) WScript.Quit End If
End Sub
'******************************************************************** '* '* Sub WriteLine() '* Purpose: Writes a text line either to a file or on screen. '* Input: strMessage the string to print '* objFile an output file object '* Output: strMessage is either displayed on screen or written to a file. '* '******************************************************************** Sub WriteLine(ByVal strMessage, ByVal objFile)
On Error Resume Next If IsObject(objFile) then 'objFile should be a file object objFile.WriteLine strMessage Else Call Wscript.Echo( strMessage ) End If
End Sub
'******************************************************************** '* '* Function blnErrorOccurred() '* '* Purpose: Reports error with a string saying what the error occurred in. '* '* Input: strIn string saying what the error occurred in. '* '* Output: displayed on screen '* '******************************************************************** Private Function blnErrorOccurred (ByVal strIn)
If Err.Number Then Call Wscript.Echo( "Error 0x" & CStr(Hex(Err.Number)) & ": " & strIn) If Err.Description <> "" Then Call Wscript.Echo( "Error description: " & Err.Description) End If Err.Clear blnErrorOccurred = True Else blnErrorOccurred = False End If
End Function
'******************************************************************** '* '* Function blnOpenFile '* '* Purpose: Opens a file. '* '* Input: strFileName A string with the name of the file. '* '* Output: Sets objOpenFile to a FileSystemObject and setis it to '* Nothing upon Failure. '* '******************************************************************** Private Function blnOpenFile(ByVal strFileName, ByRef objOpenFile)
ON ERROR RESUME NEXT
Dim objFileSystem
Set objFileSystem = Nothing
If IsEmpty(strFileName) OR strFileName = "" Then blnOpenFile = False Set objOpenFile = Nothing Exit Function End If
'Create a file object Set objFileSystem = CreateObject("Scripting.FileSystemObject") If blnErrorOccurred("Could not create filesystem object.") Then blnOpenFile = False Set objOpenFile = Nothing Exit Function End If
'Open the file for output Set objOpenFile = objFileSystem.OpenTextFile(strFileName, 8, True) If blnErrorOccurred("Could not open") Then blnOpenFile = False Set objOpenFile = Nothing Exit Function End If blnOpenFile = True
End Function
'******************************************************************** '* * '* End of File * '* * '********************************************************************
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