PowerShell Scripts Blog: October 2010

Thursday, 7 October 2010

<#
.SYNOPSIS
This script displays all the WMI namespaces within a Windows system
.DESCRIPTION
This script uses Get-WMIObject to retrieve the names of all the namespaces
within a system.
.NOTES
File Name : Get-WMINameSpace.ps1
Author : Thomas Lee - tfl@psp.co.uk
Requires : PowerShell Version 2.0
.LINK
This script posted to:
http://pshscripts.blogspot.com/2010/10/get-wminamespaceps1.html
.EXAMPLE
PSH [C:\foo]: .\Get-WMINameSpace.ps1
37 Namespaces on: Cookham8
Namespace
---------
ROOT
ROOT\aspnet
ROOT\CIMV2
ROOT\CIMV2\Security
ROOT\CIMV2\Security\MicrosoftTpm
... {Remainder of list snipped to save space on this page}
#>
# Set computer name
$comp = "."
# Get the name spaces on the local computer, and the local computer name
$Namespace = get-wmiobject __namespace -namespace 'root' -list -recurse -computer $comp
$hostname = hostname
# Display number of and names of the namespaces
"{0} Namespaces on: {1}" -f $namespace.count, $hostname
$NameSpace| sort __namespace | Format-Table @{Expression = "__Namespace"; Label = "Namespace"}

<#
.SYNOPSIS
This script checks whether a parameter is a Loopback Address
.DESCRIPTION
This script checks to see if the passsed string is an IPV4
or an IPv6 loopback address and if so, displays details.
.NOTES
File Name : Get-LoopBack.ps1
Author : Thomas Lee - tfl@psp.co.uk
Requires : PowerShell Version 2.0
.LINK
This script posted to:
http://www.pshscripts.blogspot.com
MSDN sample posted to:
http://msdn.microsoft.com/en-us/library/system.net.ipaddress.isloopback.aspx
.EXAMPLE
PSH [C:\foo]: .\Get-LoopBack.ps1
Your input address: \127.0.0.1\ is an IPv4 loopback address whose internal format is: 127.0.0.1.
.EXAMPLE
PSH [C:\foo]: .\Get-LoopBack.ps1 ::1
Your input address: \::1\ is an IPv6 loopback address whose internal format is: ::1.
.EXAMPLE
PSH [C:\foo]: .\Get-LoopBack.ps1 131.107.2.200
Your input address: \131.107.2.200\ is not a loopback address.
.PARAM
$IPAddress - Address to look up to see if it's Loopback
#>
param (
[String] $IpAddress = "127.0.0.1"
)
# Setup Default answer!
$loopBack=" is not a loopback address.";
# Perform syntax check by parsing the address string entered by the user.
$Address = [System.Net.IPAddress]::Parse($IpAddress);
# Perform semantic check by verifying that the address is a valid IPv4
# or IPv6 loopback address.
if([System.Net.IPAddress]::IsLoopback($Address) -and ($address.AddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetworkV6) ) {
$loopBack = " is an IPv6 loopback address " +
"whose internal format is: " + $Address.ToString() + ".";
}

<#
.SYNOPSIS
This script deletes a file from an FTP Server
.DESCRIPTION
This script is a rewrite of an MSDN Sample
.NOTES
File Name : Remove-FtpFile.ps1
Author : Thomas Lee - tfl@psp.co.uk
Requires : PowerShell Version 2.0
.LINK
This script posted to:
http://www.pshscripts.blogspot.com
MSDN sample posted tot:
http://msdn.microsoft.com/en-us/library/system.net.ftpwebrequest.aspx
.EXAMPLE
PSH [C:\foo]: .\Remove-FtpFile.ps1
Delete status: 250 DELE command successful.
#>
$ServerUri = New-Object System.Uri "ftp://www.reskit.net/powershell/foo.txt"
# The serverUri parameter should use the ftp:// scheme.
# It contains the name of the server file that is to be deleted.
# Example: ftp://contoso.com/someFile.txt.
if ($ServerUri.Scheme -ne [system.Uri]::UriSchemeFtp) {
" Bad URI"; return
}
# Get the object used to communicate with the server.
$request = [system.Net.FtpWebRequest]::Create($serverUri)
$request.Method = [System.Net.WebRequestMethods+ftp]::Deletefile
$Request.Credentials = New-Object System.Net.NetworkCredential "anonymous","tfl@psp.co.uk"
$response = $request.GetResponse()
"Delete status: {0}" -f $response.StatusDescription
$response.Close();

<#
.SYNOPSIS
This script Uploads a text file to an FTP Server using PowerShell.
.DESCRIPTION
This script first creates an FTP 'web' request to upload a file. Then the
source file is read from disk and written up to the FTP Server. A response
is then displayed. This is a rewrite of an MSDN Sample.
.NOTES
File Name : Copy-FileToFtp.ps1
Author : Thomas Lee - tfl@psp.co.uk
Requires : PowerShell Version 2.0
.LINK
This script posted to:
http://pshscripts.blogspot.com/2010/10/copy-filetoftpps1.html
MSDN sample posted tot:
http://msdn.microsoft.com/en-us/library/ms229715.aspx
.EXAMPLE
PSH [C:\foo]: .Copy-FileToFtp.ps1
Upload File Complete, status 226
226 Transfer complete.
#>
# Get the object used to communicate with the server.
$Request = [System.Net.FtpWebRequest]::Create("ftp://www.reskit.net/powershell/Greetings.Txt")
$Request.Method = $Request.Method = [System.Net.WebRequestMethods+ftp]::UploadFile
# This example assumes the FTP site uses anonymous logon.
$Request.Credentials = New-Object System.Net.NetworkCredential "anonymous","tfl@psp.co.uk"
# Copy the contents of the file to the request stream.
$FileContents = [System.IO.File]::ReadAllBytes("C:\foo\scriptlib.zip")
$Request.ContentLength = $fileContents.Length
$RequestStream = $request.GetRequestStream()
$RequestStream.Write($FileContents, 0, $FileContents.Length)
$RequestStream.Close()
$Response = $Request.GetResponse()
"Upload File Complete, status {0}" -f $Response.StatusDescription
$Response.Close()