core.psm1
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<#
.Synopsis Module that extends core functionality in powershell. .DESCRIPTION Module with various generic functions that could be used in any script .NOTES Code reuse saves time! .COMPONENT Core .ROLE Fill gaps in general use .FUNCTIONALITY General Powershell functionality extension .AUTHOR Chris Masters - https://github.com/masters274 #> #region Custom Shared Types $sbMkLinkType = { <# lpSymlinkFileName = [String] Path/name where you wan the link to be placed lpTargetFileName = [String] File or folder path you want linked to dwFlags = [int] 0 for file, and 1 for directory. Use logic to figure this out instead of asking #> $typDef = @' using System; using System.Runtime.InteropServices; namespace mklink { public class symlink { [DllImport("kernel32.dll", EntryPoint="CreateSymbolicLink")] public static extern bool CreateSymbolicLink(string lpSymlinkFileName, string lpTargetFileName, int dwFlags); [DllImport("kernel32.dll", EntryPoint="CreateHardLink")] public static extern bool CreateHardLink(string lpSymlinkFileName, string lpTargetFileName, IntPtr lpSecurityAttributes); } } '@ Try { $null = [mklink.symlink] } Catch { Add-Type -TypeDefinition $typDef } } & $sbMkLinkType #endregion #region : DEVELOPMENT FUNCTIONS Function Test-ModuleLoaded { <# .SYNOPSIS Checks that all required modules are loaded. .DESCRIPTION Receives an array of strings, which should be the module names. The function then checks that these are loaded. If the required modules are not loaded, the function will try to load them by name via the default module path. Function returns a failure if it's unable to load any of the required modules. .PARAMETER RequiredModules Parameter should be a string or array of strings. .PARAMETER Quiet Avoids output to the screen. .EXAMPLE Test-ModuleLoaded -RequiredModules "ActiveDirectory" Verifies that the ActiveDirectory module is loaded. If not, it will attempt to load it. if this fails, a $false will be returned, otherwise, a $true will be returned. $arrayModules = ('ActiveDirectory','MyCustomModule') $result = Test-ModuleLoaded -RequiredModules $arrayModules Checks if the two modules are loaded, or loadable, if so, $result will contain a value of $true, otherwise it will contain the value of $false. .NOTES None yet. .LINK https://github.com/masters274/ .INPUTS Requires at the very least, a string name of a module. .OUTPUTS Returns success or failure code ($true | $false), depending on if required modules are loaded. #> [CmdletBinding()] Param ( [Parameter(Mandatory=$true,HelpMessage='String array of module names')] [String[]]$RequiredModules, [Switch]$Quiet ) Process { # Variables $boolDebug = $PSBoundParameters.Debug.IsPresent $loadedModules = Get-Module $availableModules = Get-Module -ListAvailable [int]$failedModules = 0 [System.Collections.ArrayList]$missingModules = @() $arraryRequiredModules = $RequiredModules # Loop thru all module requirements Foreach ($module in $arraryRequiredModules) { Invoke-DebugIt -Message 'Module' -Value $module -Console IF ($loadedModules.Name -contains $module) { $true | Out-Null } ElseIF (($availableModules.Name -ccontains $module) -or ($null = Test-Path -Path $module)) { Import-Module -Name $module } Else { Invoke-DebugIt -Message 'Missing module' -Value $module -Console $missingModules.Add($module) $failedModules++ } } # Return the boolean value for success for failure if ($failedModules -gt 0) { Write-Error -Message 'Failed to load required modules' } else { IF (!($Quiet)) { return $true } } } } Function Invoke-VariableBaseLine { <# .SYNOPSIS A function used to keep your environment clean. .DESCRIPTION This function, when used at the beginning of a script or major setup of functions, will snapshot the variables within the local scope. when ran for the second time with the -Clean parameter, usually at the end of a script, will remove all the variables created during the script run. This is helpful when working in ISE and you need to run your script multiple times while building. You don't want prexisting data to end up in the second run. Also when you have an infinite loop script that you need the environment clean after each call to something. .PARAMETER Clean The name says it all... .EXAMPLE Invoke-VarBaseLine -Clean This will clean up all the variables created between the start and finish callse of this function .NOTES This ain't rocket surgery :-\ .LINK https://github.com/masters274/ .INPUTS N/A. .OUTPUTS Void. #> [CmdletBinding()] Param ( [Switch]$Clean ) Begin { if ($Clean -and -not $baselineLocalVariables) { Write-Error -Message 'No baseline variable is set to revert to.' } } Process { # logger -Console -Force -Value $(($MyInvocation.Line).split(' ')[1]).Trim() if ($Clean) { Compare-Object -ReferenceObject $($baselineLocalVariables.Name) -DifferenceObject ` $((Get-Variable -Scope 0).Name) | Where-Object { $_.SideIndicator -eq '=>'} | ForEach-Object { Remove-Variable -Name ('{0}' -f $_.InputObject) -ErrorAction SilentlyContinue } } else { $Global:baselineLocalVariables = Get-Variable -Scope Local } } End { if ($Clean) { Remove-Variable -Name baselineLocalVariables -Scope Global -ErrorAction SilentlyContinue } } } Function Add-Signature { # Signs a file using the first code signing cert in your personal store # ./makecert -n "PowerShell Local CertificateRoot" -a sha1 -eku 1.3.6.1.5.5.7.3.3 -r -sv root.pvk root.cer -ss Root -sr localMachine # ./makecert -n "PowerShell tux" -ss MY -a sha1 -eku 1.3.6.1.5.5.7.3.3 -iv root.pvk -ic root.cer Param ( [string] $File=$(throw "Please specify a filename.") ) # $cert = @(Get-ChildItem cert:\CurrentUser\My | where-object { $_.FriendlyName -eq "MyCodeSigningCert" }) #[0] #-codesigning)[0] $cert=(Get-ChildItem Cert:currentuser\my\ -CodeSigningCert | Select-Object -First 1) # check if the file is a PowerShell file, if not, fix it... $srtExt = ( Get-ChildItem -Path $File | ForEach-Object { $_.Extension } ) IF ($srtExt -ne '.ps1') { # we want to be able to sign any file that we can write to... # rename the file Get-ChildItem -Path $File | Rename-Item -NewName { $_.Name -replace "$srtExt$" ,".ps1" } # get the temporary file name $strTempName = [io.path]::ChangeExtension($File,"ps1") # sign the file with the new name Set-AuthenticodeSignature $strTempName $cert # change the file name back to the original Get-ChildItem -Path $strTempName | Rename-Item -NewName { $_.Name -replace ".ps1$" ,"$srtExt" } } Else { # just sign the file... Set-AuthenticodeSignature $File $cert } } Function Invoke-EnvironmentalVariable { <# .Synopsis Short description .DESCRIPTION Long description .EXAMPLE Example of how to use this cmdlet .EXAMPLE Another example of how to use this cmdlet #> <# Version 0.1 - Day one, it's my berphday! #> [CmdLetBinding()] [CmdletBinding(DefaultParameterSetName='Get')] Param ( [Parameter(Mandatory=$true, Position=0, HelpMessage='Name of the variable')] [String] $Name, [Parameter(Position=1, HelpMessage='Value of the variable')] $Value, [Parameter(Mandatory=$false, Position=2, HelpMessage='Select the scope you require.')] [ValidateSet('Machine','User','Process')] [String]$Scope = 'User', [ValidateSet('Get','Set','Remove','New')] [String]$Action = 'Get' ) Begin { # Baseline our environment #Invoke-VariableBaseLine # Debugging for scripts [Bool] $boolDebug = $PSBoundParameters.Debug.IsPresent } Process { # Variables [String] $strCommand = '[Environment]::GetEnvironmentVariable($Name,$Scope)' [String] $strFunctionCalledName = $MyInvocation.InvocationName [Bool] $boolIsAdmin = Test-AdminRights Invoke-DebugIt -Message 'Command text' -Value $strCommand -Console Invoke-DebugIt -Message 'Function called name' -Value $strFunctionCalledName -Console Invoke-DebugIt -Message 'Admin?' -Value $boolIsAdmin -Console Invoke-DebugIt -Message 'first item in command pipe' -Value $MyInvocation.InvocationName -Console IF ( $Action -eq 'Set' -or $Action -eq 'New' -or ` $strFunctionCalledName -eq 'Set-EnvVar' -or ` $strFunctionCalledName -eq 'Set-EnvironmentalVariable' -or ` $strFunctionCalledName -eq 'New-EnvVar' -or ` $strFunctionCalledName -eq 'New-EnvironmentalVariable' ) { $Action = 'Set' # setting casue the default is get, and messes with logic later. IF ($Value) { [String] $strCommand = '[Environment]::SetEnvironmentVariable("{0}","{1}","{2}")' -f ` $Name, $Value, $Scope } Else { Write-Error -Message ('{0} : Value is required when using "Set"' -f $strFunctionCalledName) Return } } ElseIF ( $Action -eq 'Remove' -or ` $strFunctionCalledName -match 'Remove-EnvVar' -or ` $strFunctionCalledName -match 'Remove-EnvironmentalVariable' ) { $Action = 'Remove' # setting casue the default is Get, and messes with logic later. [String] $strCommand = 'Remove-Item -Path Env:\{0}' -f $Name } IF ($boolIsAdmin -or ($Scope -eq 'User' -or $Scope -eq 'Process' -or $Action -eq 'Get')) { Invoke-Expression -Command $strCommand } Else { Invoke-Elevate -Command $strCommand -Persist } } End { # Clean up the environment #Invoke-VariableBaseLine -Clean } } Function ConvertTo-Hexadecimal { Param ( [ValidateScript({ Test-Path -Path $_ -PathType 'Leaf' })] [String] $FilePath ) # Converts a file to hexadecimal string. [byte[]] $hex = Get-Content -Encoding byte -Path $FilePath # C:\path\to\file.exe # [System.IO.File]::WriteAllLines(".\hexdump.txt", ([string]$hex)) # Ouput HEX to file [String] $hex } Function ConvertFrom-Hexadecimal { # Converts hexadecimal string to ASCII. Param ( [String]$HexString ) # Variables $Encoder = [System.Text.Encoding]::ASCII [Byte[]] $strTemp = $HexString -Split ' ' $Encoder.GetString($strTemp) } Function ConvertFrom-HexToFile { # Converts hexadecimal string to file. # PS > [byte[]] $hex = gc -encoding byte -path C:\path\to\file.exe # PS > [System.IO.File]::WriteAllBytes(".\hexdump.txt", ([string]$hex)) Param ( [String]$HexString, [ValidateScript({ Split-Path $_ -Parent | Test-Path })] [String] $FilePath ) # Variables $strfilename = $FilePath | Split-Path -Leaf Try { #$objDirectory = gci ($FilePath | Split-Path -Parent) $strDirectory = (Get-Item -Path $($FilePath | Split-Path -Parent)).FullName } Catch { $strDirectory = $pwd.Path } $file = "$strDirectory\$strfilename" [Byte[]] $strTemp = $HexString -Split ' ' [System.IO.File]::WriteAllBytes($file, $strTemp) # NOTE: MUST BE FULL FILE PATH! } Function ConvertFrom-Base36 { Param ( [Parameter(valuefrompipeline=$true, HelpMessage='Alphadecimal string to convert')] [string] $Base36Num = '' ) $alphabet = "0123456789abcdefghijklmnopqrstuvwxyz" $inputarray = $base36Num.tolower().tochararray() [array]::reverse($inputarray) [long]$decNum=0 $pos=0 foreach ($c in $inputarray) { $decNum += $alphabet.IndexOf($c) * [long][Math]::Pow(36, $pos) $pos++ } $decNum } Function ConvertTo-Base36 { Param ( [Parameter(valuefrompipeline=$true, HelpMessage='Integer number to convert')] [int] $DecNum ) $alphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" Do { $remainder = ($DecNum % 36) $char = $alphabet.substring($remainder,1) $base36Num = "$char$base36Num" $DecNum = ($DecNum - $remainder) / 36 } While ($DecNum -gt 0) $base36Num } Function ConvertFrom-Base64 { Param ( [String] $InputString ) $bytes = [System.Convert]::FromBase64String($InputString) $decoded = [System.Text.Encoding]::UTF8.GetString($bytes) $decoded } Function ConvertTo-Base64 { Param ( [String] $InputString ) $bytes = [System.Text.Encoding]::UTF8.GetBytes($InputString) $encoded = [System.Convert]::ToBase64String($bytes) $encoded } Function Convert-ByteArrayToHex { Param ( $ByteArray ) If ($ByteArray.GetType().Name -eq 'Byte[]') { [String] $Bytes = $ByteArray -Join ' ' } Else { $Bytes = $ByteArray } [String] $strReturnValue = $null ForEach ($Byte In $Bytes.ToString().Split(' ') ) { $strReturnValue += '0x' + [Convert]::ToString($Byte,16).ToUpper().PadLeft(2,'0') + ',' } $($strReturnValue | % {"0x$_"}) -Replace "^0x|\,$",'' } New-Alias -Name Add-Sig -Value Add-Signature -ErrorAction SilentlyContinue New-Alias -Name sign -Value Add-Signature -ErrorAction SilentlyContinue New-Alias -Name Set-EnvVar -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue New-Alias -Name Get-EnvVar -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue New-Alias -Name Set-EnvironmentalVariable -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue New-Alias -Name Get-EnvironmentalVariable -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue New-Alias -Name New-EnvVar -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue New-Alias -Name Remove-EnvVar -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue New-Alias -Name Remove-EnvironmentalVariable -Value Invoke-EnvironmentalVariable -ErrorAction SilentlyContinue #endregion #region : FILE SYSTEM FUNCTIONS Function Invoke-Touch { Param ( [Parameter(Mandatory=$true,Position=1,HelpMessage='File path',ValueFromPipeline=$true)] [String]$Path, [Parameter(Position=2,HelpMessage='Force directory')] [Switch] $Directory, [Switch]$Quiet ) Begin { } Process { $strPath = $Path # See if we can figure out if asking for file or directory if ("$($strPath -replace '^\.')" -like '*.*' -and -not $Directory) { $strType = 'File' } Else { $strType = 'Directory' } if ((Test-Path "$strPath") -eq $true) { If ("$strType" -match 'File') { (Get-ChildItem $strPath).LastWriteTime = Get-Date } } Else { If ($Quiet) { $null = New-Item -Force -ItemType $strType -Path "$strPath" } Else { New-Item -Force -ItemType $strType -Path "$strPath" } } } End { } } Function Open-NotepadPlusPlus { Param ( [Parameter(Mandatory=$true)] [Alias('Path','FN')] [String[]]$FileName ) Process { [String] $strProgramPath = "${env:ProgramFiles(x86)}\Notepad++\notepad++.exe" IF (Test-Path -Path $strProgramPath) { & $strProgramPath $FileName } Else { Write-Error -Message 'It appears that you do not have Notepad++ installed on this machine' } } } Function New-SymLink { <# .Synopsis Creates symbolic links .DESCRIPTION This provides similar functionality to *nix ln command .EXAMPLE New-SymLnk -Link .\MyNewShortCut -Target '\\DataShareServer\MyShare' .EXAMPLE ln .\shortcut ..\FileIcantLiveWithOut.txt .NOTES This function requires elevation #> <# Version 0.2 - Using DLL Import instead of calls to mklink.exe #> [CmdLetBinding()] Param ( [Parameter(Position = 0)] [ValidateScript({ Split-Path $_ -Parent | Test-Path })] [String] $Link, [Parameter(Position = 1)] [ValidateScript({ Test-Path $_ })] [String] $Target ) Begin { # Baseline our environment #Invoke-VariableBaseLine # Stop on error action $ErrorActionPreference = 'Stop' # Debugging for scripts $Script:boolDebug = $PSBoundParameters.Debug.IsPresent # Check if this is an elevated prompt [bool] $boolIsAdmin = $(Test-AdminRights) # Check that our DLL import exists Try { $null = [mklink.symlink] } Catch { Write-Error -Message '[mklink.symlink] type not loaded' } # Check if the link/file already exists. IF (Test-Path -Path $Link) { Write-Error -Message ('{0} already exists!' -f $Link) } } Process { <# If (Test-Path -PathType Container $Target) { $strCommand = "cmd /c mklink /d" } Else { $strCommand = "cmd /c mklink" } Invoke-Expression -Command ('{0} {1} {2}' -f $strCommand, $Link, $Target) #> # Variables $boolResult = $null $linkPath = Get-item -Path $(Split-Path -Path "$Link" -Parent) IF ($linkPath -eq $null) { $linkPath = $PWD.Path + '\' + ($Link |Split-Path -Leaf) } Else {$linkPath = $linkPath.FullName + '\' + $($link | Split-Path -Leaf) } $TargetPath = "$((Get-Item -Path $Target).FullName)" If (Test-Path -PathType Container $Target) { [int] $dwFlag = 1 [String] $dwType = 'Directory' } Else { [int] $dwFlag = 0 [String] $dwType = 'File' } Invoke-DebugIt -Console -Message 'DW Type' -Value "$dwType" $strCommand = '$boolResult = [mklink.symlink]::CreateSymbolicLink("{0}","{1}",{2})' -f $linkPath,$TargetPath,$dwFlag IF ($boolIsAdmin) { Invoke-Expression -Command $strCommand } Else { # Ask if we should elevate... Invoke-DebugIt -Console -Value 'This command requires elevation. Press "Y" to attempt elevation.' -Force $response = Read-Host -Prompt 'Continue (Y/N)?' IF ($response -eq 'Y') { $strRemoteCommand = @" Import-Module -name Core; $($strCommand); IF (!`$boolResult) { Invoke-DebugIt -Console -Message 'Status' -Value 'Failed to create link!' -Color 'Red' -Force } Else { Invoke-DebugIt -Console -Message 'Success' -Value 'Link created successfully' -Color 'Green' -Force } "@ Invoke-Elevate -Command $strRemoteCommand -Persist } Else { Invoke-DebugIt -Console -Value "Couldn't get it done, huh?" -Color 'Yellow' -Force } } IF ($boolResult = $false) { Invoke-DebugIt -Console -Force -Message 'Failed' -Value 'Unable to create link!' -Color 'red' } Else { Invoke-DebugIt -Console -Message 'Success' -Value $boolResult -Color 'Green' } } End { # Clean up the environment #Invoke-VariableBaseLine -Clean } } Function Remove-SymLink { Param ( [String] $Link ) If (Test-Path -PathType Leaf $Link) { $strCommand = "Remove-Item -Path $Link -Force" } Else { $dir = Get-Item -Path $Link $strCommand = '[System.IO.Directory]::Delete("{0}")' -f $dir # Making a system.io call due to junction handling in < POSH 6 } Invoke-Expression -Command ('{0}' -f $strCommand) } Function New-HardLink { <# .Synopsis Creates a new hard link to a file. .DESCRIPTION Hard links are mappings, or system representation of a file in a single volume. .EXAMPLE New-HardLink -Link "$PSModulesPath\MyPoshMod\MyPoshMod.psm1" -Target 'C:\Modueles\MyPoshMod.psm1' .EXAMPLE New-HardLink .\testfile.txt ..\test.txt .NOTES You cannot make a link to a folder in any drive/volume, or link to a file in another drive/volume. #> <# Version 0.1 - Day one. #> [CmdLetBinding()] Param ( [Parameter(Mandatory = $true,Position = 0, HelpMessage = 'New hard link to be created')] [ValidateScript({ (!(Test-Path $_)) })] [String] $Link, [Parameter(Mandatory = $true,Position = 1, HelpMessage = 'Path to existing target file')] [ValidateScript({ Test-Path $_})] [String] $Target ) Begin { # Baseline our environment #Invoke-VariableBaseLine # Set the error action preference $ErrorActionPreference = 'Stop' # Debugging for scripts $Script:boolDebug = $PSBoundParameters.Debug.IsPresent } Process { # Variables $strTargetPath = (Get-Item -Path $Target).FullName $strLinkPath = Get-item -Path $(Split-Path -Path "$Link" -Parent) IF ($strLinkPath -eq $null) { $strLinkPath = $PWD.Path + '\' + ($Link |Split-Path -Leaf) } Else {$strLinkPath = $strLinkPath.FullName + '\' + $($link | Split-Path -Leaf) } $boolResult = [mklink.symlink]::CreateHardLink("$strLinkPath","$strTargetPath",0) IF ($boolResult) { Invoke-DebugIt -Console -Message 'Success' ` -Value ('Hard link {0} created successfully' -f $strLinkPath) -Color 'Green' } Else { Invoke-DebugIt -Console -Force -Message 'Failed' -Value 'Unable to create hard link!' -Color 'red' } } End { # Clean up the environment #Invoke-VariableBaseLine -Clean } } Function Get-HardLink { <# .SYNOPSIS List/find files with multiple hardlinks. .DESCRIPTION works well to find out if one of your hardlinks, created by New-HardLink, have been broken. .PARAMETER Path Path to file which we would like to list hardlinks for .EXAMPLE Get-HardLink -Path C:\files\myFile.txt Returns the count and list of hardlinks and boolean value of multiple links .NOTES Thanks to Greg Shields for this function. .LINK http://www.itninja.com/blog/user/greg_shields #> [CmdLetBinding()] Param ( [Parameter(Position=0,Mandatory=$True,HelpMessage="Enter a filename and path", ValueFromPipeline=$True)] $Path ) Process { #if a file is piped in get the full file name and path if ($path.GetType().Name -eq "FileInfo") { $filepath=$path.fullname } elseif ($path.GetType().Name -eq "DirectoryInfo") { Write-verbose "Skipping folder $path" return } else { #otherwise assume it is a string $filepath=$path } #Verify path Write-Verbose "Testing $filepath" If (Test-Path $filepath) { $links=fsutil hardlink list $filepath $count=($links | Measure-Object).Count If ($count -gt 1) { #more than one hard link found Write-Verbose "Found multiple links" $Multiple=$True } else { $Multiple=$False } Write-Verbose "Creating custom object" New-Object -TypeName PSObject -Property @{ Path=$filePath Links=$links Count=$count MultipleLinks=$Multiple } } Else { Write-Warning "Failed to find $filepath" } } } Function ConvertFrom-DosToUnix { <# .Synopsis Covert carriage returns to new line .DESCRIPTION Converts text files from DOS to Unix file new lines .EXAMPLE dox2unix .\test.txt .EXAMPLE ConvertFrom-DosToUnix -FilePath C:\Users\Me\Documents\MyFolderWithStuff\myDosFileWithText.txt #> Param ( [Parameter(Mandatory = $true, HelpMessage = 'Path to file', Position = 0)] [ValidateScript({ Test-Path -Path $_ -PathType 'Leaf' })] [String] $FilePath ) # get the full path to the file $strFilePath = $(Get-ChildItem -Path $FilePath | ForEach-Object { $_.FullName }) # get the contents of the file to convert $strTempContents = [IO.File]::ReadAllText($strFilePath) -replace "`r`n", "`n" # set the contents of the file [IO.File]::WriteAllText($strFilePath, $strTempContents) } Function Set-DirectoryOwner { Param ( [Parameter( Mandatory = $true )] [ValidateScript({ Try { $Folder = Get-Item $_ -ErrorAction Stop } Catch [System.Management.Automation.ItemNotFoundException] { Throw [System.Management.Automation.ItemNotFoundException] "${_} Maybe there are network issues?" } If ($Folder.PSIsContainer) { $True } Else { Throw [System.Management.Automation.ValidationMetadataException] "The path '${_}' is not a container." } })] [String] $FolderPath, [Parameter( Mandatory = $true, Position = 0, HelpMessage = 'DOMAIN\Username', ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [ValidatePattern('.\\.')] [String] $UserName ) $acl = Get-Acl $FolderPath.FullName [String] $domain = $UserName.Split('\')[0].Trim() [String] $uname = $UserName.Split('\')[1].Trim() $owner = [System.Security.Principal.NTAccount]::new($domain,$uname) If ($acl.Owner.ToString().Trim() -ne $UserName) { $acl.SetOwner($owner) Set-Acl -Path $FolderPath -aclobject $acl } Else { '{0} is already the owner of this directory' } } New-Alias -Name npp -Value Open-NotepadPlusPlus -ErrorAction SilentlyContinue New-Alias -Name touch -Value Invoke-Touch -ErrorAction SilentlyContinue New-Alias -Name ln -Value New-SymLink -ErrorAction SilentlyContinue New-Alias -Name Create-SymbolicLink -Value New-SymLink -ErrorAction SilentlyContinue New-Alias -Name dos2unix -Value ConvertFrom-DosToUnix -ErrorAction SilentlyContinue #endregion #region : LOG/ALERT FUNCTIONS Function Invoke-Snitch { <# .SYNOPSIS Describe purpose of "Invoke-Snitch" in 1-2 sentences. .DESCRIPTION Add a more complete description of what the function does. .PARAMETER strMessage This is a required variable. Message that is sent. .EXAMPLE Invoke-Snitch -strMessage Value Describe what this call does .NOTES Requires that you set, somewhere in your environment: smtphost, emailto, emailfrom, and emailsubject .LINK URLs to related sites The first link is opened by Get-Help -Online Invoke-Snitch .INPUTS Requires a string message. .OUTPUTS Void. #> # Function to send an email alert to distro-list [CmdletBinding()] param ( [Parameter(Mandatory=$true)] [string]$strMessage ) # Check that the required variables are set in the environment if ($smtphost -and $emailto -and $emailfrom -and $emailsubject -and $strMessage) { Send-MailMessage -SmtpServer $smtphost -To $emailto -From $emailfrom -Subject $emailsubject ` -BodyasHTML ('{0}' -f $strMessage) } else { Write-Error -Message 'Not all required variables are set to invoke the snitch!' } } Function Invoke-DebugIt { <# .SYNOPSIS A more visually dynamic option for printing debug information. .DESCRIPTION Quick function to print custom debug information with complex formatting. .PARAMETER msg Descripter for the value to be printed. Color is gray. .PARAMETER val Emphasized "value" output for quick visibility when debugging. Default color of value is Cyan. Intentionally left as undefined variable type to avoid errors when presenting various types of data, possibly forgetting to add ToString() to the end of someting like an integer. .PARAMETER Color Used when you need to categorize/differentiate, visually, types of values. Default color is Cyan. .PARAMETER Console Used when you want to log to the console. Can be used when logging to file as well. .PARAMETER Logfile Used to log output to file. Logged as CSV .EXAMPLE Invoke-DebugIt -msg "Count of returned records" -val "({0} -f $($records.count)) -color Green Assuming that the number of records returned would be five, the following would be printed to the screen. Count of returned records : 5 The message would be gray, and the number 5 would be Cyan, providing contrasting emphasis. .NOTES Pretty easy to understand. Just give it a try :) #> <# CHANGELOG: ver 0.2 - Changed parameters to full name - Added aliases to the parameters so older scripts would continue to function - Added the ability to log to file - Added -Console switch parameter for specifying output type - Added logic for older scripts that are not console switch aware ver 0.3 - Takes value from pipeline - Added positional values to parameters - Changed type accelerator from .NET [Boolean] to PowerShell [Bool] - Added application event log, logging. #> [CmdletBinding()] Param ( [Parameter( Position=0)] [Alias('msg','m')] [String] $Message, [Parameter( ValueFromPipeline=$true, Mandatory=$false, Position=1)] [Alias('val','v')] $Value, [Alias('c')] [String] $Color, [Alias('f')] [Switch] $Force, # Log even if the Debug parameter is not set [Alias('con')] [Switch] $Console, # Should we log to the console [Switch] $EvetLog, # Add an entry to the Application Event log [int] $EventId = 60001, # Default event log ID [ValidateScript({ Test-Path -Path ($_ | Split-Path -Parent) -PathType Container })] [Alias('log','l')] [String] $Logfile ) $ScriptVersion = '0.3' #[Bool] $boolDebug = $PSBoundParameters.Debug.IsPresent If (!($Console -and $Logfile)) { # Backward compatible logic $Console = $true } IF ($Console) { If ($Color) { $strColor = $Color } Else { $strColor = 'Cyan' } If ($boolDebug -or $Force) { Write-Host -NoNewLine -f Gray ('{0}{1} : ' -f (Get-Date).ToString('yyyyMMdd_HHmmss : '), ($Message)) Write-Host -f $($strColor) ('{0}' -f ($Value)) } } If ($Logfile.Length -gt 0) { $strSender = ('{0},{1},{2}' -f (Get-Date).ToString('yyyyMMdd_HHmmss'),$Message,$Value) $strSender | Out-File -FilePath $Logfile -Encoding ascii -Append } IF ($EvetLog) { [String] $strSource = 'PoshLogger' [String] $strEventLogName = 'Application' # Check if the source exists IF (!(Get-EventLog -Source $strSource -LogName $strEventLogName -Newest 1)) { # Check if running as Administrator $boolAdmin = Test-AdminRights IF ($boolAdmin) { New-EventLog -LogName $strEventLogName -Source $strSource } Else { Invoke-Elevate -ScriptBlock { New-EventLog -LogName $strEventLogName -Source $strSource } } } Write-EventLog -LogName $strEventLogName -Source $strSource -EventId $EventId -Message ($Message + $Value) } } Function Invoke-Alert { <# .Synopsis Audible tone that can be easily called when some event is triggered. .DESCRIPTION Great for monitoring things in the background, when you need to be working on something else. .PARAMETER Duration This is the count or duration in seconds that the tone will be generated. A value of zero will beep until interrupted. Negative integers will beep only once. .EXAMPLE The following will beep 3 times when the listed IP is reachable While (!(Test-Connection 8.8.8.8 -Q -C 1)) { sleep -s 1 }; Alert .EXAMPLE The following will beep once the IP is reachable, until you close the window, or Ctrl+C While (!(Test-Connection 8.8.8.8 -Q -C 1)) { sleep -s 1 }; Alert -c 0 #> <# Version 0.1 - Day one #> Param ( [Parameter(Position=0)] [Alias('Count','c','Number', 'n')] [Int]$Duration = 3 ) Process { # Variables $i = 0 Do { [console]::Beep(1000,700) Start-Sleep -Seconds 1 If ($Duration -gt 0) { $i++ } } While ($i -lt $Duration) } } New-Alias -Name logger -Value Invoke-DebugIt -ErrorAction SilentlyContinue New-Alias -Name Invoke-Logger -Value Invoke-DebugIt -ErrorAction SilentlyContinue New-Alias -Name Alert -Value Invoke-Alert -ErrorAction SilentlyContinue #endregion #region : SECURITY FUNCTIONS Function Test-AdminRights { ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole(` [Security.Principal.WindowsBuiltInRole] 'Administrator') } Function Start-ImpersonateUser { Param ( [Parameter(Mandatory=$true,HelpMessage='Scriptblock to be ran')] [scriptblock]$ScriptBlock, [Parameter(Mandatory=$true,HelpMessage='User to impersonate')] [String]$Username, [ValidateScript({ Test-Connection -ComputerName $_ -Quiet -Count 4 })] [String]$ComputerName, [PSCredential]$Credential ) Begin { } Process { # Variables [bool] $boolHidden = $true [String] $strCommandExec = 'powershell' [String] $strCommand = "& { $ScriptBlock }" [String] $strEncodedCommand = [Convert]::ToBase64String($([System.Text.Encoding]::Unicode.GetBytes($strCommand))) [String] $strArguments = "-Nop -W Hidden -Exec ByPass -EncodedCommand $strEncodedCommand" [String] $strJobName = ('ImpersonationJob{0}' -f (Get-Random)) [String] $strTempFileName = [Guid]::NewGuid().ToString('d') [String] $strTempFilePath = ('{0}\{1}' -f $env:TEMP,$strTempFileName) [String] $xml = @" <?xml version="1.0" encoding="UTF-16"?> <Task version="1.2" xmlns="http://schemas.microsoft.com/windows/2004/02/mit/task"> <RegistrationInfo /> <Triggers /> <Settings> <MultipleInstancesPolicy>IgnoreNew</MultipleInstancesPolicy> <DisallowStartIfOnBatteries>false</DisallowStartIfOnBatteries> <StopIfGoingOnBatteries>false</StopIfGoingOnBatteries> <AllowHardTerminate>true</AllowHardTerminate> <StartWhenAvailable>false</StartWhenAvailable> <RunOnlyIfNetworkAvailable>false</RunOnlyIfNetworkAvailable> <IdleSettings /> <AllowStartOnDemand>true</AllowStartOnDemand> <Enabled>true</Enabled> <Hidden>$($boolHidden.ToString().ToLower())</Hidden> <RunOnlyIfIdle>false</RunOnlyIfIdle> <WakeToRun>false</WakeToRun> <ExecutionTimeLimit>PT72H</ExecutionTimeLimit> <Priority>7</Priority> </Settings> <Actions Context="Author"> <Exec> <Command>$strCommandExec</Command> <Arguments>$strArguments</Arguments> </Exec> </Actions> <Principals> <Principal id="Author"> <UserId>$Username</UserId> <LogonType>InteractiveToken</LogonType> <RunLevel>HighestAvailable</RunLevel> </Principal> </Principals> </Task> "@ Try { $xml | Set-Content -Encoding Ascii -Path $strTempFilePath -Force $ErrorActionPreference = 'Stop' $s = New-CimSession -ComputerName $ComputerName -Credential $Credential $strCommandBaseCreate = 'SCHTASKS.exe /Create /TN $strJobName /XML $strTempFilePath /S $ComputerName' $strCommandBaseRun = 'SCHTASKS.exe /Run /TN $strJobName /S $ComputerName' $strCommandBaseDelete = 'SCHTASKS.exe /Delete /TN $strJobName /S $ComputerName /F' If ($Credential) { $strCommandCredential = ( '/U {0} /P ''{1}''' -f $Credential.UserName, $Credential.GetNetworkCredential().Password ) Invoke-Expression -Command ('{0} {1}' -f $strCommandBaseCreate,$strCommandCredential) Invoke-Expression -Command ('{0} {1}' -f $strCommandBaseRun,$strCommandCredential) Invoke-Expression -Command ('{0} {1}' -f $strCommandBaseDelete,$strCommandCredential) } Else { Invoke-Expression -Command ('{0}' -f $strCommandBaseCreate) Invoke-Expression -Command ('{0}' -f $strCommandBaseRun) Invoke-Expression -Command ('{0}' -f $strCommandBaseDelete) } } Catch { Write-Error -Message ('Failed to run scheduled task on computer: {0}' -f $ComputerName) } Finally { Remove-Item -Path $strTempFilePath -Force -ErrorAction SilentlyContinue -WarningAction SilentlyContinue Remove-CimSession -CimSession $s } } End { } } Function Get-LoggedOnUser { [CmdletBinding()] Param ( [Parameter( Mandatory=$true, Position=0, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true )] [String[]]$ComputerName, [Parameter(position=1)] [PSCredential]$Credential ) Begin { #$ea = $ErrorActionPreference #$ErrorActionPreference = 'Stop' $wmiParams = @{ Class = 'Win32_Process' Filter = "Name='explorer.exe'" ErrorAction = 'Stop' } If ($Credential) { $wmiParams += @{ Credential = $Credential } } } Process { Foreach ($Computer in $ComputerName) { $processinfo = @(Get-WmiObject @wmiParams -ComputerName $Computer) If ($processinfo) { $processinfo | Foreach-Object {$_.GetOwner()} | Where-Object { $_ -notcontains 'NETWORK SERVICE' -and $_ -notcontains 'LOCAL SERVICE' -and $_ -notcontains 'SYSTEM' } | Sort-Object -Unique -Property User | ForEach-Object { New-Object psobject -Property @{ Computer=$Computer; Domain=$_.Domain; User=$_.User } } | Select-Object Computer,Domain,User } Else { $false } } } End { #$ErrorActionPreference = $ea } } Function Invoke-Elevate { <# TODO: - have output return to the main screen - launch the elevated process with wscript to avoid UAC - work out an elevated prompt, and all commands ran will use elevation until... #> [CmdLetBinding()] [CmdletBinding(DefaultParameterSetName='Command')] Param ( # ScriptBlock: Negates the need for Command [Parameter(Mandatory=$false,ParameterSetName="Command")] [Parameter(Mandatory=$true, Position=0,ParameterSetName='ScriptBlock', HelpMessage='Scriptblock of commands to be executed')] [ScriptBlock] $ScriptBlock, # Command: Negates the need for ScriptBlock [Parameter(Mandatory=$false, ParameterSetName='ScriptBlock')] [Parameter(Mandatory=$true, Position=0, ParameterSetName='Command', HelpMessage='Commands to be executed')] [String] $Command, [Switch] $NoProfile, [Switch] $Persist ) Begin { # Invoke-VariableBaseLine [Bool] $boolDebug = $PSBoundParameters.Debug.IsPresent } Process { [String] $strCommand = "& { $ScriptBlock }" IF ($Command) { [String] $strCommand = $Command } [String] $strEncodedCommand = [Convert]::ToBase64String($([System.Text.Encoding]::Unicode.GetBytes($strCommand))) [String] $strArguments = "-Exec ByPass -EncodedCommand $strEncodedCommand" IF ($NoProfile) { $strArguments =+ ' -Nop' } IF ($Persist) { $strArguments += ' -NoExit' } Start-Process PowerShell -Verb runas -ArgumentList $strArguments } End { # Invoke-VariableBaseLine -Clean } } Function Invoke-CredentialManager { <# .Synopsis Function for managing credentials for storage .DESCRIPTION Used to both store, and retreive a password from an XML file .EXAMPLE Invoke-CredentailManager -FilePath .\MySshPassord.auth Gets (if exists) or stores credentials in .\MySshPassword.auth. Will prompt for credentials if the file does not exist. .EXAMPLE Invoke-CredentailManager -FilePath .\MySshPassord.auth -Credentail $creds Stores the credentials from object "$creds" into a file in the local directory .EXAMPLE $strCreds = Get-Password .\test.xml PS C:\> $strCreds.Username Me@myDomain.local PS C:\> $strCreds.Password VewySecwetPassw0rd! #> <# Version 0.2 - ? MACD. Move, add, change, or delete details go here. ? - Change : Added storing user name - Change : Cred file format changed to XML - Add : Backward compat with older script calls #> [CmdLetBinding()] Param ( [Parameter(Mandatory=$true, Position=0, HelpMessage='Path to where the credentials files is stored')] [Alias('CredentialsFile')] [string]$FilePath, [Parameter(Position=1)] [PSCredential]$Credential, [Switch] $ReturnCredObject # Only for XML objects ) Begin { # Baseline our environment #Invoke-VariableBaseLine # Global debugging for scripts $boolDebug = $PSBoundParameters.Debug.IsPresent } Process { # Variables $CredentialsFile = $FilePath # Check to see if the file exists IF (-not (Test-Path $credentialsfile)) { # If not, then prompt user for the credential IF ($Credential) { $creds = $Credential } Else { $creds = Get-Credential } $userName = $creds.UserName $encpassword = $creds.password # Create the file so we can get the full name Invoke-Touch -Path $CredentialsFile -Quiet # Must have the full path to save the XML file $strOutputFile = (Get-Item -Path $CredentialsFile).FullName [xml] $credXml = @" <cred> <uname>$($userName)</uname> <pass>$($encpassword | ConvertFrom-SecureString)</pass> </cred> "@ $credXml.Save($strOutputFile) } Else { # Check if we're working with XML or old Try { [xml] $xmlFile = Get-Content -Path $CredentialsFile $boolXml = $true $user = $xmlFile.cred.uname $encpassword = $xmlFile.cred.pass | ConvertTo-SecureString } Catch { $encpassword = Get-Content -Path $credentialsfile | ConvertTo-SecureString } # Use the Marshal classes to create a pointer to the secure string in memory $ptr = [System.Runtime.InteropServices.Marshal]::SecureStringToCoTaskMemUnicode($encpassword) # Change the value at the pointer back to unicode (i.e. plaintext) $pass = [System.Runtime.InteropServices.Marshal]::PtrToStringUni($ptr) If ($boolXml) { If ($ReturnCredObject) { $objCred = New-Object -TypeName PSCredential ( $user,$encpassword ) $objCred } Else { # Build and object and return it. $objBuilder = New-Object -TypeName PSObject $objBuilder | Add-Member -MemberType NoteProperty -Name 'Username' -Value $user $objBuilder | Add-Member -MemberType NoteProperty -Name 'Password' -Value $pass $objBuilder } } Else { # Return the decrypted password $pass } } } End { # Clean up the environment #Invoke-VariableBaseLine -Clean Remove-Variable -Name pass -Force -ErrorAction SilentlyContinue -WarningAction SilentlyContinue [GC]::Collect() } } New-Alias -Name elevate -Value Invoke-Elevate -ErrorAction SilentlyContinue New-Alias -Name sudo -Value Invoke-Elevate -ErrorAction SilentlyContinue New-Alias -Name Store-Credentials -Value Invoke-CredentialManager -ErrorAction SilentlyContinue New-Alias -Name Get-Password -Value Invoke-CredentialManager -ErrorAction SilentlyContinue #endregion #region : SYSTEM FUNCTIONS Function Get-InstalledSoftware { <# .Synopsis Get installed software on the local or remote computer. .DESCRIPTION Uses the uninstall path to capture installed software. This is safer than using the WMI query, which checks the integrity upon query, and can often reconfigure, or reset application defaults. This function is built to scale, for quick inventory of software across your environment. .EXAMPLE $progs = Get-InstalledPrograms .EXAMPLE Get-InstalledPrograms | Select-Object -Property DisplayName, Publisher, InstallDate, Version |FT -Auto .EXAMPLE $swInventory = Get-InstalledSoftware -ComputerName 'cmp1','cmp2',sys3' -Credential $creds | Group-Object -Property PSComputerName -AsHashTable -AsString; $swInventory['cmp1'] This will return and object, with all listed computer's installed software. This makes it easy to inventory your computers, and verify them later (if you Expot-CliXml, and Compare-Object later). This can scale to very large networks #> [CmdLetBinding()] Param ( [ValidateScript({ Test-Connection -ComputerName $_ -Quiet -Count 4 }) ] [String[]] $ComputerName, [System.Management.Automation.Credential()] [PSCredential] $Credential ) Begin { # Baseline our environment #Invoke-VariableBaseLine # Debugging for scripts $Script:boolDebug = $PSBoundParameters.Debug.IsPresent # List of required modules for this function $arrayModulesNeeded = ( 'Core' ) # Verify and load required modules #Test-ModuleLoaded -RequiredModules $arrayModulesNeeded -Quiet } Process { # Variables [String] $strScriptBlock = 'Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*' Invoke-DebugIt -Console -Message 'ScriptBlock' -Value $strScriptBlock IF ($ComputerName) { If ($ComputerName.Count -gt 1) { Invoke-DebugIt -Message '[INFO]' -Value ('Computer count: {0}' -f $ComputerName.Count) [String] $ComputerName = $ComputerName -join ',' Invoke-DebugIt -Message 'Computers' -Value $ComputerName } Else { Invoke-DebugIt -Message '[INFO]' -Value ('Computer count: {0}' -f $ComputerName.Count) [String] $ComputerName = $ComputerName[0].ToString() } Invoke-DebugIt -Console -Message 'Computer name is present' -Value $ComputerName $strScriptBlock = '{' + $strScriptBlock + '}' Invoke-DebugIt -Console -Message 'Scriptblock modified' -Value $strScriptBlock [String] $strCommand = 'Invoke-Command -ComputerName {0} -Command {1} -Authentication Kerberos' -f $ComputerName,$strScriptBlock Invoke-DebugIt -Console -Message 'String command' -Value $strCommand IF ($Credential) { Invoke-DebugIt -Console -Message 'Credential is present' -Value $($Credential.UserName) $strCommand = $strCommand + ' -Credential $Credential' Invoke-DebugIt -Console -Message 'String command' -Value $strCommand } } Else { Invoke-DebugIt -Console -Value 'Local machine query' -Color 'Blue' $strCommand = $strScriptBlock Invoke-DebugIt -Console -Message 'String command' -Value $strCommand } $arrayPrograms = Invoke-Expression -Command $strCommand $arrayPrograms } End { # Clean up the environment #Invoke-VariableBaseLine -Clean } } Function Get-UninstallString { <# .SYNOPSIS Gets the uninstall string for the searched for program. .DESCRIPTION This function returns the entire item properties for the matched program, if found in the uninstall key. Output is limited. .PARAMETER ComputerName Name of the remote computer(s) you wish to query. Accepts from the pipeline, and will accept an array. If omitted, will query the local machine .PARAMETER Pattern Full or partial name of an installed program, on the local or remote computer. .PARAMETER Credential If omitted will attempt to authenticate as domain, or stored credentials .EXAMPLE Get-UninstallString -ComputerName wrkst01 -Pattern 'Microsoft' -Credential $myCreds Will return the uninstall string for all programs matching Microsoft in the DisplayName field Get-UninstallString -ComputerName wrkst01,wrkst01 -Pattern 'Microsoft' -Credential $myCreds Will return the uninstall string for all programs matching Microsoft in the DisplayName field, from both computers queried Get-UninstallString -Pattern 'Microsoft' Will return the uninstall string for all programs matching Microsoft on the local machine .NOTES N/A. .LINK N/A .INPUTS Requires a string to search for .OUTPUTS Returns a PSCustomeObject, or an array of PSCustomObject #> Param ( [Parameter(Mandatory = $true, HelpMessage = 'name to search for')] [String]$Pattern, [Parameter(ValueFromPipeline = $true)] [String[]] $ComputerName, [System.Management.Automation.Credential()] [PSCredential] $Credential ) Begin { Function Script:Where-Match { Param ( [Object] [Parameter(Mandatory = $true, ValueFromPipeline = $true, HelpMessage = 'Keys to filter')] $RegItem, [Parameter(Mandatory = $true)] [String] $SearchString ) Process { if ($RegItem.DisplayName -match ('{0}' -f $SearchString)) { $RegItem } } } $strRegKey = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall' $regCommand = 'Get-ChildItem -Path {0} | Get-ItemProperty' -f $strRegKey $sbRemoteKey = [ScriptBlock]::Create($regCommand) $Params = @{ 'ScriptBlock' = $sbRemoteKey } If ($Credential) { $Params.Add('Credential',$Credential) } # Too much info displayed by default... chop it down! [String[]] $defaultDisplaySet = @('DisplayName','UninstallString') $defaultDisplayPropertySet = New-Object System.Management.Automation.PSPropertySet( 'DefaultDisplayPropertySet',[string[]]$defaultDisplaySet ) $PSStandardMembers = [System.Management.Automation.PSMemberInfo[]]@($defaultDisplayPropertySet) } Process { If ($ComputerName) { $Params.Add('ComputerName',$ComputerName) } $retVal = Invoke-Command @Params | Where-Match -SearchString $Pattern $retVal | Add-Member -MemberType MemberSet -Name 'PSStandardMembers' -Value $PSStandardMembers $retVal } End { } } Function Get-USB { <# .Synopsis Gets USB devices attached to the system .Description Uses WMI to get the USB Devices attached to the system .Example Get-USB .Example Get-USB | Group-Object Manufacturer .Notes Thanks Lee Holmes #> Get-WmiObject -Class Win32_USBControllerDevice | Foreach-Object { [Wmi]$_.Dependent } } Function Add-IPRemotingTrustedHost { Param ( [String[]] $TrustedHosts = '*', [Switch] $Append ) $boolAdmin = Test-AdminRights $CurrentTrustedHosts = (Get-Item -Path WSMan:\localhost\Client\TrustedHosts).Value $arrayTrustedHosts = @() If ($Append -and $CurrentTrustedHosts -ne '') { $arrayTrustedHosts += $CurrentTrustedHosts } $arrayTrustedHosts += $TrustedHosts [String] $test = '"' + ($arrayTrustedHosts -join ',') + '"' [String] $strCommand = @" [bool] `$boolServiceRunning = ((Get-Service -Name WinRM).Status -eq "Running"); If (!`$boolServiceRunning) { Start-Service -Name WinRM }; Set-Item WSMan:\localhost\Client\TrustedHosts -Value $test -Force; "@ [ScriptBlock] $sbCommand = [ScriptBlock]::Create($strCommand) If (!$boolAdmin) { $strTitle = 'Run as Administrator' $strMessage = 'This command requires administrative right. Wou you like to elevate?' $yes = New-Object -TypeName System.Management.Automation.Host.ChoiceDescription -ArgumentList '&Yes', ` 'Elevate and run the command' $no = New-Object -TypeName System.Management.Automation.Host.ChoiceDescription -ArgumentList '&No', ` 'Cancel request' $options = [System.Management.Automation.Host.ChoiceDescription[]]($yes, $no) $result = $host.ui.PromptForChoice($strTitle, $strMessage, $options, 0) Switch ($result) { 0 { Invoke-Elevate -ScriptBlock $sbCommand } 1 {'Exiting script'} } } Else { $sbCommand.Invoke() } } Function Get-IpRemotingTrustedHost { [CmdLetBinding()] Param () $CurrentTrustedHosts = (Get-Item -Path WSMan:\localhost\Client\TrustedHosts).Value $CurrentTrustedHosts } Function Connect-Workstation { Param ( [Parameter(Mandatory = $true, Position = 0)] [String] $ComputerName, [Parameter(Mandatory = $true, Position = 1)] [System.Management.Automation.Credential()] [PSCredential] $Credential, [ValidateSet('Default','Basic','CredSSP','Digest','Kerberos','Negotiate','NegotiateWithImplicitCredential')] [String] $Authentication = 'Kerberos' ) $strComputerName = $ComputerName $UserCredential = $Credential Try { $null = [ipaddress] $ComputerName $objService = Get-Service -Name WinRM $arrayTrustedHosts = Get-IpRemotingTrustedHost -ErrorAction SilentlyContinue If ($objService.Status -eq 'Running' -and ($arrayTrustedHosts -contains '*' -or $arrayTrustedHosts -contains $ComputerName)) { Enter-PsSession -Credential $UserCredential -Authentication Default -ComputerName $strComputerName -EnableNetworkAccess } Else { Write-Error -Message 'WinRM is not configured properly to connect to IP addresses' Return } } Catch { Enter-PsSession -Credential $UserCredential -Authentication $Authentication $strComputerName } } Function Clear-IECachedData { <# .SYNOPSIS Pretty easy to grasp... This function clears data cached by IE .DESCRIPTION Clears all, or selected cache data stored by IE .PARAMETER TempIEFiles Delete Temporary Internet Files .PARAMETER Cookies Delete Cookies .PARAMETER History Delete History .PARAMETER FormData Delete Form Data .PARAMETER Passwords Delete Passwords .PARAMETER All Delete All .PARAMETER AddOnSettings Delete Files and Settings Stored by Add-Ons .EXAMPLE Clear-IECachedData -TempIEFiles -Cookies -History -FormData -Passwords -All -AddOnSettings Describe what this call does .INPUTS N/A .OUTPUTS N/A #> [CmdletBinding(ConfirmImpact = 'None')] Param ( [Parameter(HelpMessage = ' Delete Temporary Internet Files')] [switch] $TempIEFiles, [Parameter(HelpMessage = 'Delete Cookies')] [switch] $Cookies, [Parameter(HelpMessage = 'Delete History')] [switch] $History, [Parameter(HelpMessage = 'Delete Form Data')] [switch] $FormData, [Parameter(HelpMessage = 'Delete Passwords')] [switch] $Passwords, [Parameter(HelpMessage = 'Delete All')] [switch] $All, [Parameter(HelpMessage = 'Delete Files and Settings Stored by Add-Ons')] [switch] $AddOnSettings ) if ($TempIEFiles) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 8} if ($Cookies) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 2} if ($History) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 1} if ($FormData) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 16} if ($Passwords) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 32 } if ($All) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 255} if ($AddOnSettings) { & "$env:windir\system32\rundll32.exe" InetCpl.cpl, ClearMyTracksByProcess 4351 } } Function Get-ComObject { <# .SYNOPSIS Returns a list of COM objects with associated CLSID .DESCRIPTION This will allow you to search for full or partial CLSID. This is handy when troubleshooting DCOM errors from the event logs .EXAMPLE Get-ComObject Returns a list of COM objects and CLID .EXAMPLE Get-ComObject -CLID abcd Returns all COM objects that MATCH your string. .INPUTS String .OUTPUTS PSCustomObject. In the event more than one object is returned, and array of PSCustomObject #> Param ( [Parameter( Position = 0, HelpMessage = 'Full or partial CLSID', ParameterSetName='ScriptBlock' )] [Alias('ID','GUID')] [String] $CLSID ) $ComObjects = Get-ChildItem HKLM:\Software\Classes -ErrorAction SilentlyContinue | Where-Object { $_.PSChildName -match '^\w+\.\w+$' -and (Test-Path -Path "$($_.PSPath)\CLSID") } | Select-Object -Property PSChildName, @{n='CLSID';e={ (Get-ItemProperty ($_.PSPath + '\clsid')).'(default)' }} $ComObjects | Where-Object { $_.CLSID -match $CLSID } } Function Get-WindowsLicenseInfo { <# .Synopsis Get the license status of a Windows computer .DESCRIPTION Gets the license details via SLMGR.vbs /dlv .EXAMPLE Get-WindowsLicenseInfo Returns the license details of the local computer .EXAMPLE Get-WindowsLicenseInfo -ComputerName computer01.domain.com Returns the license details of the computer #> Param ( [String] $ComputerName, [PSCredential] $Credential ) Process { # Variables [ScriptBlock] $sbLicInfo = { ((cscript $env:windir\System32\slmgr.vbs /dlv | Select-Object -Skip 4) -replace ': ','=') | ConvertFrom-StringData -ErrorAction SilentlyContinue } If ($ComputerName) { If ($Credential) { Invoke-Command -ScriptBlock $sbLicInfo -ComputerName $ComputerName -Credential $Credential ` -Authentication Kerberos -ErrorAction SilentlyContinue } Else { Invoke-Command -ScriptBlock $sbLicInfo -ComputerName $ComputerName -ErrorAction SilentlyContinue } } Else { . $sbLicInfo } } } Function Get-FirewallStatus { Param ( [String]$ComputerName, [PSCredential]$Credential, [Switch]$Quiet, [Switch]$Debug ) $boolShouldContinue = $true if ($Debug) {$boolDebug = $true} # Check if this is to be ran on a remote computer Try { If ($ComputerName) { $strComputerName = $ComputerName [ScriptBlock]$sbRemoteCommand = { (netsh adv show current) -Replace ' *',':' } $strBaseCommand = "Invoke-Command -ComputerName $strComputerName -Authentication Kerberos -ScriptBlock `$sbRemoteCommand -AsJob -JobName `"remoteFwStatus`"" # check if we're using a credential or windows auth If ($Credential) { $strRemoteCommand = $strBaseCommand + " -Credential `$Credential" If ($boolDebug) { Write-Host -f Red "$strRemoteCommand"; Read-Host "Press Enter to continue."}; } Else { $strRemoteCommand = $strBaseCommand If ($boolDebug) { Write-Host -f Red "$strRemoteCommand"; Read-Host "Press Enter to continue."} } Invoke-Expression $strRemoteCommand | Out-Null Wait-Job remoteFwStatus | Out-Null # Wait on the job to finish $objRawOutput = Receive-Job remoteFwStatus # Receive the output from the job Remove-Job remoteFwStatus | Out-Null # Clean up the job that was created } Else { $strComputerName = $env:computername $objRawOutput = (netsh adv show current) -Replace ' *',':' } } Catch { Write-Host -f Red "Something went wrong while connecting to $strComputerName" $boolShouldContinue = $false } If ($boolShouldContinue) { # Set the object for the active firewall profile $objActiveFirewallProfile = @() # Get the active policy name $strActiveProfile = $objRawOutput[1].Split(' ')[0].Trim() # loop thru to make objects... dirty, I know... Foreach ($field in $objRawOutput) { If ($field -ne '') { $strSplitField = $field.Split(':') # build the objects based on matches If ($strSplitField[0] -eq 'State') { $strStatusValue = $strSplitField[1]} If ($strSplitField[0] -eq 'LogAllowedConnections') { $strLogSuccess = $strSplitField[1]} If ($strSplitField[0] -eq 'LogDroppedConnections') { $strLogFailed = $strSplitField[1]} If ($strSplitField[0] -eq 'FileName') { $strFilePath = $strSplitField[1]} If ($strSplitField[0] -eq 'MaxFileSize') { [int]$intFileSize = $strSplitField[1]} } } # build an object to return $item = New-Object PSObject $item | Add-Member -type NoteProperty -Name 'ComputerName' -Value "$strComputerName" $item | Add-Member -type NoteProperty -Name 'ActiveProfile' -Value "$strActiveProfile" $item | Add-Member -type NoteProperty -Name 'State' -Value "$strStatusValue" $item | Add-Member -type NoteProperty -Name 'LogAllowedConnections' -Value "$strLogSuccess" $item | Add-Member -type NoteProperty -Name 'LogDroppedConnections' -Value "$strLogFailed" $item | Add-Member -type NoteProperty -Name 'MaxFileSize' -Value $intFileSize $item | Add-Member -type NoteProperty -Name 'FileName' -Value "$strFilePath" # Put all tha things in tha thing... $objActiveFirewallProfile = $item If ($Quiet) { If ($objActiveFirewallProfile.State -eq 'ON') { $true } Else { $false } } Else { $objActiveFirewallProfile } } } #endregion #region UNDER_CONSTRUCTION <# Function Private:Dev_Invoke-Elevate { # TODO: # - have output return to the main screen # - launch the elevated process with wscript to avoid UAC # - work out an elevated prompt, and all commands ran will use elevation until... [CmdLetBinding()] [CmdletBinding(DefaultParameterSetName='Command')] Param ( # ScriptBlock: Negates the need for Command [Parameter(Mandatory=$false,ParameterSetName="Command")] [Parameter(Mandatory=$true, Position=0,ParameterSetName='ScriptBlock', HelpMessage='Scriptblock of commands to be executed')] [ScriptBlock] $ScriptBlock, # Command: Negates the need for ScriptBlock [Parameter(Mandatory=$false, ParameterSetName='ScriptBlock')] [Parameter(Mandatory=$true, Position=0, ParameterSetName='Command', HelpMessage='Commands to be executed')] [String] $Command, [Switch] $NoProfile, [Switch] $Persist ) Begin { # Invoke-VariableBaseLine [Bool] $boolDebug = $PSBoundParameters.Debug.IsPresent } Process { [String] $strCommand = "& { $ScriptBlock }" IF ($Command) { [String] $strCommand = $Command } [String] $strEncodedCommand = [Convert]::ToBase64String($([System.Text.Encoding]::Unicode.GetBytes($strCommand))) [String] $strArguments = "-Exec ByPass -EncodedCommand $strEncodedCommand" IF ($NoProfile) { $strArguments =+ ' -Nop' } IF ($Persist) { $strArguments += ' -NoExit' } Start-Process PowerShell -Verb runas -ArgumentList $strArguments } End { # Invoke-VariableBaseLine -Clean } } #> #endregion |