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Lee Holmes
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‎Inventory.ps1

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##############################################################################
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##
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## Inventory
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##
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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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##
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##############################################################################
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<#
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.SYNOPSIS
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Serves as the configuration script for a custom remoting endpoint that
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exposes only the Get-Inventory custom command.
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.EXAMPLE
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PS >Register-PsSessionConfiguration Inventory `
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-StartupScript 'C:\Program Files\Endpoints\Inventory.ps1'
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PS >Enter-PsSession leeholmes1c23 -ConfigurationName Inventory
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[leeholmes1c23]: [Inventory] > Get-Command
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CommandType Name Definition
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----------- ---- ----------
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Function Exit-PSSession [CmdletBinding()]...
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Function Get-Command [CmdletBinding()]...
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Function Get-FormatData [CmdletBinding()]...
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Function Get-Help [CmdletBinding()]...
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Function Get-Inventory ...
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Function Measure-Object [CmdletBinding()]...
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Function Out-Default [CmdletBinding()]...
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Function prompt ...
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Function Select-Object [CmdletBinding()]...
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[leeholmes1c23]: [Inventory] > Get-Inventory
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SystemDirectory : C:\Windows\system32
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Organization :
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BuildNumber : 6002
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RegisteredUser : Lee Holmes
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SerialNumber : 89580-433-1295803-71477
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Version : 6.0.6002
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[leeholmes1c23]: [Inventory] > 1+1
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The syntax is not supported by this runspace. This might be because it is
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in no-language mode.
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+ CategoryInfo :
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+ FullyQualifiedErrorId : ScriptsNotAllowed
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[leeholmes1c23]: [Inventory] > Exit-PsSession
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PS >
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#>
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Set-StrictMode -Off
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## Create a new function to get inventory
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function Get-Inventory
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{
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Get-WmiObject Win32_OperatingSystem
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}
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## Customize the prompt
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function Prompt
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{
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"[Inventory] > "
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}
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## Remember which functions we want to expose to the user
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$exportedCommands = "Get-Inventory","Prompt"
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## The System.Management.Automation.Runspaces.InitialSessionState class
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## has a CreateRestricted() method that creates a default locked-down
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## secure configuration for a remote session. This configuration only
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## supports the bare minimum required for interactive remoting.
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$issType = [System.Management.Automation.Runspaces.InitialSessionState]
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$iss = $issType::CreateRestricted("RemoteServer")
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## Add the commands to a hashtable so that we can access them easily
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$issHashtable = @{}
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foreach($command in $iss.Commands)
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{
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$issHashtable[$command.Name + "-" + $command.CommandType] = $command
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}
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## Go through all of functions built into the restricted runspace and add
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## them to this session. These are proxy functions to limit the functionality
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## of commands that we need (such as Get-Command, Select-Object, etc.)
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foreach($function in $iss.Commands |
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Where-Object { $_.CommandType -eq "Function" })
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{
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Set-Content "function:\$($function.Name)" -Value $function.Definition
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}
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## Go through all of the commands in this session
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foreach($command in Get-Command)
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{
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## If it was one of our exported commands, keep it Public
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if($exportedCommands -contains $command.Name) { continue }
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## If the current command is defined as Private in the initial session
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## state, mark it as private here as well.
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$issCommand = $issHashtable[$command.Name + "-" + $command.CommandType]
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if((-not $issCommand) -or ($issCommand.Visibility -ne "Public"))
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{
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$command.Visibility = "Private"
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}
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}
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## Finally, prevent all access to the PowerShell language
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$executionContext.SessionState.Scripts.Clear()
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$executionContext.SessionState.Applications.Clear()
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$executionContext.SessionState.LanguageMode = "NoLanguage"

‎InvokeTemplateCmdletCommand.cs

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using System;
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using System.ComponentModel;
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using System.Management.Automation;
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/*
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To build and install:
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1) Set-Alias csc $env:WINDIR\Microsoft.NET\Framework\v2.0.50727\csc.exe
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2) $ref = [PsObject].Assembly.Location
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3) csc /out:TemplateBinaryModule.dll /t:library InvokeTemplateCmdletCommand.cs /r:$ref
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4) Import-Module .\TemplateBinaryModule.dll
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To run:
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PS >Invoke-TemplateCmdlet
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*/
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namespace Template.Commands
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{
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[Cmdlet("Invoke", "TemplateCmdlet")]
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public class InvokeTemplateCmdletCommand : Cmdlet
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{
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[Parameter(Mandatory=true, Position=0, ValueFromPipeline=true)]
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public string Text
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{
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get
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{
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return text;
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}
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set
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{
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text = value;
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}
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}
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private string text;
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protected override void BeginProcessing()
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{
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WriteObject("Processing Started");
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}
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protected override void ProcessRecord()
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{
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WriteObject("Processing " + text);
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}
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protected override void EndProcessing()
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{
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WriteObject("Processing Complete.");
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}
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}
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}

‎LibraryDirectory.ps1

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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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Set-StrictMode -Version 3
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## Get the size of all the items in the current directory
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function Get-DirectorySize
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{
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<#
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.EXAMPLE
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PS > $DebugPreference = "Continue"
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PS > Get-DirectorySize
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DEBUG: Current Directory: D:\lee\OReilly\Scripts\Programs
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Directory size: 46,581 bytes
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PS > $DebugPreference = "SilentlyContinue"
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PS > $VerbosePreference = "Continue"
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PS > Get-DirectorySize
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VERBOSE: Getting size
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VERBOSE: Got size: 46581
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Directory size: 46,581 bytes
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PS > $VerbosePreference = "SilentlyContinue"
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#>
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Write-Debug "Current Directory: $(Get-Location)"
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Write-Verbose "Getting size"
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$size = (Get-ChildItem | Measure-Object -Sum Length).Sum
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Write-Verbose "Got size: $size"
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Write-Host ("Directory size: {0:N0} bytes" -f $size)
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}
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## Get the list of items in a directory, sorted by length
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function Get-ChildItemSortedByLength($path = (Get-Location), [switch] $Problematic)
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{
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<#
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.EXAMPLE
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PS > Get-ChildItemSortedByLength -Problematic
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out-lineoutput : Object of type "Microsoft.PowerShell.Commands.Internal.Fo
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rmat.FormatEntryData" is not legal or not in the correct sequence. This is
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likely caused by a user-specified "format-*" command which is conflicting
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with the default formatting.
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#>
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if($Problematic)
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{
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## Problematic version
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Get-ChildItem $path | Format-Table | Sort Length
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}
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else
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{
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## Fixed version
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Get-ChildItem $path | Sort Length | Format-Table
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}
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}

‎LibraryInputComparison.ps1

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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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Set-StrictMode -Version 3
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## Process each element in the pipeline, using a
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## foreach statement to visit each element in $input
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function Get-InputWithForeach($identifier)
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{
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Write-Host "Beginning InputWithForeach (ID: $identifier)"
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foreach($element in $input)
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{
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Write-Host "Processing element $element (ID: $identifier)"
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$element
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}
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Write-Host "Ending InputWithForeach (ID: $identifier)"
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}
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## Process each element in the pipeline, using the
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## cmdlet-style keywords to visit each element in $input
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function Get-InputWithKeyword($identifier)
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{
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begin
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{
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Write-Host "Beginning InputWithKeyword (ID: $identifier)"
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}
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process
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{
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Write-Host "Processing element $_ (ID: $identifier)"
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$_
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}
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end
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{
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Write-Host "Ending InputWithKeyword (ID: $identifier)"
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}
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}

‎LibraryInvocation.ps1

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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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Set-StrictMode -Version 3
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## Return the name of the currently executing script
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## By placing this in a function, we drastically simplify
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## the logic it takes to determine the currently running
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## script
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function Get-ScriptName
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{
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$myInvocation.ScriptName
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}
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function Get-ScriptPath
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{
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Split-Path $myInvocation.ScriptName
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}

‎LibraryPrompt.ps1

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##############################################################################
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##
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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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##
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##############################################################################
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Set-StrictMode -Version 3
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function Prompt
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{
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$id = 1
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$historyItem = Get-History -Count 1
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if($historyItem)
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{
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$id = $historyItem.Id + 1
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}
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Write-Host -ForegroundColor DarkGray "`n[$(Get-Location)]"
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Write-Host -NoNewLine "PS:$id > "
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$host.UI.RawUI.WindowTitle = "$(Get-Location)"
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"`b"
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}

‎LibraryProperties.ps1

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##############################################################################
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##
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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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##
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##############################################################################
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filter Get-PropertyValue($property)
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{
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$_.$property
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}

‎PSGetModuleInfo.xml

11.8 KB
Binary file not shown.

‎PersistentState.psm1

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##############################################################################
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##
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## PersistentState.psm1
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## Demonstrates persistent state through module-scoped variables
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##
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## From Windows PowerShell Cookbook (O'Reilly)
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## by Lee Holmes (http://www.leeholmes.com/guide)
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##
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##############################################################################
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$SCRIPT:memory = $null
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function Set-Memory
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{
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param(
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[Parameter(ValueFromPipeline = $true)]
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$item
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)
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begin { $SCRIPT:memory = New-Object System.Collections.ArrayList }
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process { $null = $memory.Add($item) }
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}
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function Get-Memory
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{
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$memory.ToArray()
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}
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Set-Alias remember Set-Memory
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Set-Alias recall Get-Memory
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Export-ModuleMember -Function Set-Memory,Get-Memory
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Export-ModuleMember -Alias remember,recall

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