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LabTech.psm1
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<#
.SYNOPSIS
This is a PowerShell Module for LabTech.
labtechconsulting.com
labtechsoftware.com
msdn.microsoft.com/powershell
.DESCRIPTION
This is a set of commandlets to interface with the LabTech Agent.
Tested Versions: v10.5, v11, v12, v2019
.NOTES
Version: 1.9.0
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 1/23/2018
Purpose/Change: Updates to address 32-bit vs. 64-bit environments
Update Date: 2/1/2018
Purpose/Change: Updates for support of Proxy Settings. Enabled -WhatIf processing for many functions.
Update Date: 8/7/2018
Purpose/Change: Added support for TLS 1.2
Update Date: 8/28/2018
Purpose/Change: Added Update-LTService function
Update Date: 2/26/2019
Purpose/Change: Update to support 32-bit execution in 64-bit OS without SYSNATIVE redirection
Update Date: 9/9/2020
Purpose/Change: Update to support 64-bit OS without SYSNATIVE redirection (ARM64)
#>
If (-not ($PSVersionTable)) {Write-Warning 'PS1 Detected. PowerShell Version 2.0 or higher is required.';return}
ElseIf ($PSVersionTable.PSVersion.Major -lt 3 ) {Write-Verbose 'PS2 Detected. PowerShell Version 3.0 or higher may be required for full functionality.'}
#Module Version
$ModuleVersion = "1.9.0"
$ModuleGuid='f1f06c84-00c8-11ea-b6e8-000c29aaa7df'
If ($env:PROCESSOR_ARCHITEW6432 -match '64' -and [IntPtr]::Size -ne 8 -and $env:PROCESSOR_ARCHITEW6432 -ne 'ARM64') {
Write-Warning '32-bit PowerShell session detected on 64-bit OS. Attempting to launch 64-Bit session to process commands.'
$pshell="${env:windir}\SysNative\WindowsPowershell\v1.0\powershell.exe"
If (!(Test-Path -Path $pshell)) {
$pshell="${env:windir}\System32\WindowsPowershell\v1.0\powershell.exe"
If ($Null -eq ([System.Management.Automation.PSTypeName]'Kernel32.Wow64').Type -or $Null -eq [Kernel32.Wow64].GetMethod('Wow64DisableWow64FsRedirection')) {
Write-Debug 'Loading WOW64Redirection functions'
Add-Type -Name Wow64 -Namespace Kernel32 -Debug:$False -MemberDefinition @"
[DllImport("kernel32.dll", SetLastError=true)]
public static extern bool Wow64DisableWow64FsRedirection(ref IntPtr ptr);
[DllImport("kernel32.dll", SetLastError=true)]
public static extern bool Wow64RevertWow64FsRedirection(ref IntPtr ptr);
"@
}
Write-Verbose 'System32 path is redirected. Disabling redirection.'
[ref]$ptr = New-Object System.IntPtr
$Result = [Kernel32.Wow64]::Wow64DisableWow64FsRedirection($ptr)
$FSRedirectionDisabled=$True
}#End If
If ($myInvocation.Line) {
&"$pshell" -NonInteractive -NoProfile $myInvocation.Line
} Elseif ($myInvocation.InvocationName) {
&"$pshell" -NonInteractive -NoProfile -File "$($myInvocation.InvocationName)" $args
} Else {
&"$pshell" -NonInteractive -NoProfile $myInvocation.MyCommand
}#End If
$ExitResult=$LASTEXITCODE
If ($Null -ne ([System.Management.Automation.PSTypeName]'Kernel32.Wow64').Type -and $Null -ne [Kernel32.Wow64].GetMethod('Wow64DisableWow64FsRedirection') -and $FSRedirectionDisabled -eq $True) {
[ref]$defaultptr = New-Object System.IntPtr
$Result = [Kernel32.Wow64]::Wow64RevertWow64FsRedirection($defaultptr)
Write-Verbose 'System32 path redirection has been re-enabled.'
}#End If
Write-Warning 'Exiting 64-bit session. Module will only remain loaded in native 64-bit PowerShell environment.'
Exit $ExitResult
}#End If
#Ignore SSL errors
If ($Null -eq ([System.Management.Automation.PSTypeName]'TrustAllCertsPolicy').Type) {
Add-Type -Debug:$False @"
using System.Net;
using System.Security.Cryptography.X509Certificates;
public class TrustAllCertsPolicy : ICertificatePolicy {
public bool CheckValidationResult(
ServicePoint srvPoint, X509Certificate certificate,
WebRequest request, int certificateProblem) {
return true;
}
}
"@
}
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
#Enable TLS, TLS1.1, TLS1.2, TLS1.3 in this session if they are available
IF([Net.SecurityProtocolType]::Tls) {[Net.ServicePointManager]::SecurityProtocol=[Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls}
IF([Net.SecurityProtocolType]::Tls11) {[Net.ServicePointManager]::SecurityProtocol=[Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls11}
IF([Net.SecurityProtocolType]::Tls12) {[Net.ServicePointManager]::SecurityProtocol=[Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12}
IF([Net.SecurityProtocolType]::Tls13) {[Net.ServicePointManager]::SecurityProtocol=[Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls13}
#region [Functions]-------------------------------------------------------------
Function Get-LTServiceInfo{
<#
.SYNOPSIS
This function will pull all of the registry data into an object.
.NOTES
Version: 1.5
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 8/24/2017
Purpose/Change: Update to use Clear-Variable.
Update Date: 3/12/2018
Purpose/Change: Support for ShouldProcess to enable -Confirm and -WhatIf.
Update Date: 8/28/2018
Purpose/Change: Remove '~' from server addresses.
Update Date: 1/19/2019
Purpose/Change: Improved BasePath value assignment
.LINK
http://labtechconsulting.com
#>
[CmdletBinding(SupportsShouldProcess=$True, ConfirmImpact='Low')]
Param ()
Begin{
Write-Debug "Starting $($myInvocation.InvocationName) at line $(LINENUM)"
Clear-Variable key,BasePath,exclude,Servers -EA 0 -WhatIf:$False -Confirm:$False #Clearing Variables for use
$exclude = "PSParentPath","PSChildName","PSDrive","PSProvider","PSPath"
$key = $Null
}#End Begin
Process{
If ((Test-Path 'HKLM:\SOFTWARE\LabTech\Service') -eq $False){
Write-Error "ERROR: Line $(LINENUM): Unable to find information on LTSvc. Make sure the agent is installed."
Return $Null
}#End If
If ($PSCmdlet.ShouldProcess("LTService", "Retrieving Service Registry Values")) {
Write-Verbose "Checking for LT Service registry keys."
Try{
$key = Get-ItemProperty 'HKLM:\SOFTWARE\LabTech\Service' -ErrorAction Stop | Select-Object * -exclude $exclude
If ($Null -ne $key -and -not ($key|Get-Member -EA 0|Where-Object {$_.Name -match 'BasePath'})) {
If ((Test-Path 'HKLM:\SYSTEM\CurrentControlSet\Services\LTService') -eq $True) {
Try {
$BasePath = Get-Item $( Get-ItemProperty 'HKLM:\SYSTEM\CurrentControlSet\Services\LTService' -ErrorAction Stop|Select-Object -Expand ImagePath | Select-String -Pattern '^[^"][^ ]+|(?<=^")[^"]+'|Select-Object -Expand Matches -First 1 | Select-Object -Expand Value -EA 0 -First 1 ) | Select-Object -Expand DirectoryName -EA 0
} Catch {
$BasePath = "${env:windir}\LTSVC"
}#End Try
} Else {
$BasePath = "${env:windir}\LTSVC"
}#End If
Add-Member -InputObject $key -MemberType NoteProperty -Name BasePath -Value $BasePath
}#End If
$key.BasePath = [System.Environment]::ExpandEnvironmentVariables($($key|Select-Object -Expand BasePath -EA 0)) -replace '\\\\','\'
If ($Null -ne $key -and ($key|Get-Member|Where-Object {$_.Name -match 'Server Address'})) {
$Servers = ($Key|Select-Object -Expand 'Server Address' -EA 0).Split('|')|ForEach-Object {$_.Trim() -replace '~',''}|Where-Object {$_ -match '.+'}
Add-Member -InputObject $key -MemberType NoteProperty -Name 'Server' -Value $Servers -Force
}#End If
}#End Try
Catch{
Write-Error "ERROR: Line $(LINENUM): There was a problem reading the registry keys. $($Error[0])"
}#End Catch
}#End If
}#End Process
End{
If ($?){
Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)"
return $key
} Else {
Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End If
}#End End
}#End Function Get-LTServiceInfo
Function Get-LTServiceSettings{
<#
.SYNOPSIS
This function will pull the registry data from HKLM:\SOFTWARE\LabTech\Service\Settings into an object.
.NOTES
Version: 1.1
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
.LINK
http://labtechconsulting.com
#>
[CmdletBinding()]
Param ()
Begin{
Write-Verbose "Checking for registry keys."
if ((Test-Path 'HKLM:\SOFTWARE\LabTech\Service\Settings') -eq $False){
Write-Error "ERROR: Unable to find LTSvc settings. Make sure the agent is installed."
}
$exclude = "PSParentPath","PSChildName","PSDrive","PSProvider","PSPath"
}#End Begin
Process{
Try{
Get-ItemProperty HKLM:\SOFTWARE\LabTech\Service\Settings -ErrorAction Stop | Select-Object * -exclude $exclude
}#End Try
Catch{
Write-Error "ERROR: There was a problem reading the registry keys. $($Error[0])"
}#End Catch
}#End Process
End{
if ($?){
$key
}
}#End End
}#End Function Get-LTServiceSettings
Function Restart-LTService{
<#
.SYNOPSIS
This function will restart the LabTech Services.
.NOTES
Version: 1.3
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 3/13/2018
Purpose/Change: Added additional debugging output, support for ShouldProcess (-Confirm, -WhatIf)
Update Date: 3/21/2018
Purpose/Change: Removed ErrorAction Override
.LINK
http://labtechconsulting.com
#>
[CmdletBinding(SupportsShouldProcess=$True)]
Param()
Begin{
Write-Debug "Starting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End Begin
Process{
if (-not (Get-Service 'LTService','LTSvcMon' -ErrorAction SilentlyContinue)) {
If ($WhatIfPreference -ne $True) {
Write-Error "ERROR: Line $(LINENUM): Services NOT Found $($Error[0])"
return
} Else {
Write-Error "What-If: Line $(LINENUM): Stopping: Services NOT Found"
return
}#End If
}#End IF
Try{
Stop-LTService
}#End Try
Catch{
Write-Error "ERROR: Line $(LINENUM): There was an error stopping the services. $($Error[0])"
return
}#End Catch
Try{
Start-LTService
}#End Try
Catch{
Write-Error "ERROR: Line $(LINENUM): There was an error starting the services. $($Error[0])"
return
}#End Catch
}#End Process
End{
If ($WhatIfPreference -ne $True) {
If ($?) {Write-Output "Services Restarted successfully."}
Else {$Error[0]}
}#End If
Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End End
}#End Function Restart-LTService
Function Stop-LTService{
<#
.SYNOPSIS
This function will stop the LabTech Services.
.DESCRIPTION
This function will verify that the LabTech services are present then attempt to stop them.
It will then check for any remaining LabTech processes and kill them.
.NOTES
Version: 1.3
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 3/12/2018
Purpose/Change: Updated Support for ShouldProcess to enable -Confirm and -WhatIf parameters.
Update Date: 3/21/2018
Purpose/Change: Removed ErrorAction Override
.LINK
http://labtechconsulting.com
#>
[CmdletBinding(SupportsShouldProcess=$True)]
Param()
Begin{
Clear-Variable sw,timeout,svcRun -EA 0 -WhatIf:$False -Confirm:$False -Verbose:$False #Clearing Variables for use
Write-Debug "Starting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End Begin
Process{
if (-not (Get-Service 'LTService','LTSvcMon' -ErrorAction SilentlyContinue)) {
If ($WhatIfPreference -ne $True) {
Write-Error "ERROR: Line $(LINENUM): Services NOT Found $($Error[0])"
return
} Else {
Write-Error "What If: Line $(LINENUM): Stopping: Services NOT Found"
return
}#End If
}#End If
If ($PSCmdlet.ShouldProcess("LTService, LTSvcMon", "Stop-Service")) {
$Null=Invoke-LTServiceCommand ('Kill VNC','Kill Trays') -EA 0 -WhatIf:$False -Confirm:$False
Write-Verbose "Stopping Labtech Services"
Try{
('LTService','LTSvcMon') | Foreach-Object {
Try {$Null=& "${env:windir}\system32\sc.exe" stop "$($_)" 2>''}
Catch {Write-Output "Error calling sc.exe."}
}
$timeout = new-timespan -Minutes 1
$sw = [diagnostics.stopwatch]::StartNew()
Write-Host -NoNewline "Waiting for Services to Stop."
Do {
Write-Host -NoNewline '.'
Start-Sleep 2
$svcRun = ('LTService','LTSvcMon') | Get-Service -EA 0 | Where-Object {$_.Status -ne 'Stopped'} | Measure-Object | Select-Object -Expand Count
} Until ($sw.elapsed -gt $timeout -or $svcRun -eq 0)
Write-Host ""
$sw.Stop()
if ($svcRun -gt 0) {
Write-Verbose "Services did not stop. Terminating Processes after $(([int32]$sw.Elapsed.TotalSeconds).ToString()) seconds."
}
Get-Process | Where-Object {@('LTTray','LTSVC','LTSvcMon') -contains $_.ProcessName } | Stop-Process -Force -ErrorAction Stop -Whatif:$False -Confirm:$False
}#End Try
Catch{
Write-Error "ERROR: Line $(LINENUM): There was an error stopping the LabTech processes. $($Error[0])"
return
}#End Catch
}#End If
}#End Process
End{
If ($WhatIfPreference -ne $True) {
If ($?) {
If((('LTService','LTSvcMon') | Get-Service -EA 0 | Where-Object {$_.Status -ne 'Stopped'} | Measure-Object | Select-Object -Expand Count) -eq 0){
Write-Output "Services Stopped successfully."
} Else {
Write-Warning "WARNING: Line $(LINENUM): Services have not stopped completely."
}
} Else {$Error[0]}
}#End If
Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End End
}#End Function Stop-LTService
Function Start-LTService{
<#
.SYNOPSIS
This function will start the LabTech Services.
.DESCRIPTION
This function will verify that the LabTech services are present.
It will then check for any process that is using the LTTray port (Default 42000) and kill it.
Next it will start the services.
.NOTES
Version: 1.5
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 5/11/2017
Purpose/Change: added check for non standard port number and set services to auto start
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 12/14/2017
Purpose/Change: Will increment the tray port if a conflict is detected.
Update Date: 2/1/2018
Purpose/Change: Added support for -WhatIf. Added Service Control Command to request agent check-in immediately after startup.
Update Date: 3/21/2018
Purpose/Change: Removed ErrorAction Override
.LINK
http://labtechconsulting.com
#>
[CmdletBinding(SupportsShouldProcess=$True)]
Param()
Begin{
Write-Debug "Starting $($myInvocation.InvocationName) at line $(LINENUM)"
#Identify processes that are using the tray port
[array]$processes = @()
$Port = (Get-LTServiceInfo -EA 0 -Verbose:$False -WhatIf:$False -Confirm:$False -Debug:$False|Select-Object -Expand TrayPort -EA 0)
if (-not ($Port)) {$Port = "42000"}
$startedSvcCount=0
}#End Begin
Process{
If (-not (Get-Service 'LTService','LTSvcMon' -ErrorAction SilentlyContinue)) {
If ($WhatIfPreference -ne $True) {
Write-Error "ERROR: Line $(LINENUM): Services NOT Found $($Error[0])"
return
} Else {
Write-Error "What If: Line $(LINENUM): Stopping: Services NOT Found"
return
}#End If
}#End If
Try{
If((('LTService') | Get-Service -EA 0 | Where-Object {$_.Status -eq 'Stopped'} | Measure-Object | Select-Object -Expand Count) -gt 0) {
Try {$netstat=& "${env:windir}\system32\netstat.exe" -a -o -n 2>'' | Select-String -Pattern " .*[0-9\.]+:$($Port).*[0-9\.]+:[0-9]+ .*?([0-9]+)" -EA 0}
Catch {Write-Output "Error calling netstat.exe."; $netstat=$null}
Foreach ($line in $netstat){
$processes += ($line -split ' {4,}')[-1]
}#End Foreach
$processes = $processes | Where-Object {$_ -gt 0 -and $_ -match '^\d+$'}| Sort-Object | Get-Unique
If ($processes) {
Foreach ($proc in $processes){
Write-Output "Process ID:$proc is using port $Port. Killing process."
Try{Stop-Process -ID $proc -Force -Verbose -EA Stop}
Catch {
Write-Warning "WARNING: Line $(LINENUM): There was an issue killing the following process: $proc"
Write-Warning "WARNING: Line $(LINENUM): This generally means that a 'protected application' is using this port."
$newPort = [int]$port + 1
if($newPort -gt 42009) {$newPort = 42000}
Write-Warning "WARNING: Line $(LINENUM): Setting tray port to $newPort."
New-ItemProperty -Path "HKLM:\Software\Labtech\Service" -Name TrayPort -PropertyType String -Value $newPort -Force -WhatIf:$False -Confirm:$False | Out-Null
}#End Catch
}#End Foreach
}#End If
}#End If
If ($PSCmdlet.ShouldProcess("LTService, LTSvcMon", "Start Service")) {
@('LTService','LTSvcMon') | ForEach-Object {
If (Get-Service $_ -EA 0) {
Set-Service $_ -StartupType Automatic -EA 0 -Confirm:$False -WhatIf:$False
$Null=& "${env:windir}\system32\sc.exe" start "$($_)" 2>''
$startedSvcCount++
Write-Debug "Line $(LINENUM): Executed Start Service for $($_)"
}#End If
}#End ForEach-Object
}#End If
}#End Try
Catch{
Write-Error "ERROR: Line $(LINENUM): There was an error starting the LabTech services. $($Error[0])"
return
}#End Catch
}#End Process
End{
If ($WhatIfPreference -ne $True) {
If ($?){
$svcnotRunning = ('LTService') | Get-Service -EA 0 | Where-Object {$_.Status -ne 'Running'} | Measure-Object | Select-Object -Expand Count
If ($svcnotRunning -gt 0 -and $startedSvcCount -eq 2) {
$timeout = new-timespan -Minutes 1
$sw = [diagnostics.stopwatch]::StartNew()
Write-Host -NoNewline "Waiting for Services to Start."
Do {
Write-Host -NoNewline '.'
Start-Sleep 2
$svcnotRunning = ('LTService') | Get-Service -EA 0 | Where-Object {$_.Status -ne 'Running'} | Measure-Object | Select-Object -Expand Count
} Until ($sw.elapsed -gt $timeout -or $svcnotRunning -eq 0)
Write-Host ""
$sw.Stop()
}#End If
If ($svcnotRunning -eq 0) {
Write-Output "Services Started successfully."
$Null=Invoke-LTServiceCommand 'Send Status' -EA 0 -Confirm:$False
} ElseIf ($startedSvcCount -gt 0) {
Write-Output "Service Start was issued but LTService has not reached Running state."
} Else {
Write-Output "Service Start was not issued."
}#End If
}
Else{
$($Error[0])
}#End If
}#End If
Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End End
}#End Function Start-LTService
Function Uninstall-LTService{
<#
.SYNOPSIS
This function will uninstall the LabTech agent from the machine.
.DESCRIPTION
This function will stop all the LabTech services. It will then download the current agent install MSI and issue an uninstall command.
It will then download and run Agent_Uninstall.exe from the LabTech server. It will then scrub any remaining file/registry/service data.
.PARAMETER Server
This is the URL to your LabTech server.
Example: https://lt.domain.com
This is used to download the uninstall utilities.
If no server is provided the uninstaller will use Get-LTServiceInfo to get the server address.
.PARAMETER Backup
This will run a 'New-LTServiceBackup' before uninstalling.
.PARAMETER Force
This will force operation on an agent detected as a probe.
.EXAMPLE
Uninstall-LTService
This will uninstall the LabTech agent using the server address in the registry.
.EXAMPLE
Uninstall-LTService -Server 'https://lt.domain.com'
This will uninstall the LabTech agent using the provided server URL to download the uninstallers.
.NOTES
Version: 1.9
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 6/10/2017
Purpose/Change: Updates for pipeline input, support for multiple servers
Update Date: 6/24/2017
Purpose/Change: Update to detect Server Version and use updated URL format for LabTech 11 Patch 13.
Update Date: 8/24/2017
Purpose/Change: Update to use Clear-Variable. Modifications to Folder and Registry Delete steps. Additional Debugging.
Update Date: 1/26/2017
Purpose/Change: Added support for Proxy Server for Download and Installation steps.
Update Date: 3/12/2018
Purpose/Change: Added detection of "Probe" enabled agent.
Added support for -Force parameter to override probe detection.
Updated support of -WhatIf parameter.
Added minimum size requirement for agent installer to detect and skip a bad file download.
Update Date: 10/18/2018
Purpose/Change: Added minimum size requirement for agent uninstaller exe to detect and skip a bad file download.
Uninstall will proceed even if the agent uninstaller exe cannot be downloaded.
Update Date: 1/21/2019
Purpose/Change: Minor bugfixes/adjustments.
Allow single label server name.
Update Date: 2/28/2019
Purpose/Change: Update to try both http and https method if not specified for Server
Update Date: 6/22/2020
Purpose/Change: Use unique pathname for Uninstall MSI, add Uninstaller EXE fallback
.LINK
http://labtechconsulting.com
#>
[CmdletBinding(SupportsShouldProcess=$True)]
Param(
[Parameter(ValueFromPipelineByPropertyName = $true)]
[AllowNull()]
[string[]]$Server,
[Parameter(ValueFromPipelineByPropertyName = $true)]
[switch]$Backup,
[switch]$Force
)
Begin{
Clear-Variable Executables,BasePath,reg,regs,installer,installerTest,installerResult,LTSI,uninstaller,uninstallerTest,uninstallerResult,xarg,Svr,SVer,SvrVer,SvrVerCheck,GoodServer,AlternateServer,Item -EA 0 -WhatIf:$False -Confirm:$False #Clearing Variables for use
Write-Debug "Starting $($myInvocation.InvocationName) at line $(LINENUM)"
If (-not ([bool](([System.Security.Principal.WindowsIdentity]::GetCurrent()|Select-Object -Expand groups -EA 0) -match 'S-1-5-32-544'))) {
Throw "Line $(LINENUM): Needs to be ran as Administrator"
}
$LTSI = Get-LTServiceInfo -EA 0 -Verbose:$False -WhatIf:$False -Confirm:$False -Debug:$False
If (($LTSI) -and ($LTSI|Select-Object -Expand Probe -EA 0) -eq '1') {
If ($Force -eq $True) {
Write-Output "Probe Agent Detected. UnInstall Forced."
} Else {
Write-Error -Exception [System.OperationCanceledException]"Line $(LINENUM): Probe Agent Detected. UnInstall Denied." -ErrorAction Stop
}#End If
}#End If
If ($Backup){
If ( $PSCmdlet.ShouldProcess("LTService","Backup Current Service Settings") ) {
New-LTServiceBackup
}#End If
}#End If
$BasePath = $(Get-LTServiceInfo -EA 0 -Verbose:$False -WhatIf:$False -Confirm:$False -Debug:$False|Select-Object -Expand BasePath -EA 0)
If (-not ($BasePath)) {$BasePath = "${env:windir}\LTSVC"}
$UninstallBase="${env:windir}\Temp"
$UninstallEXE='Agent_Uninstall.exe'
$UninstallMSI='RemoteAgent.msi'
New-PSDrive HKU Registry HKEY_USERS -ErrorAction SilentlyContinue -WhatIf:$False -Confirm:$False -Debug:$False| Out-Null
$regs = @( 'Registry::HKEY_LOCAL_MACHINE\Software\LabTechMSP',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\LabTech\Service',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\LabTech\LabVNC',
'Registry::HKEY_LOCAL_MACHINE\Software\Wow6432Node\LabTech\Service',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\D1003A85576B76D45A1AF09A0FC87FAC',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\D1003A85576B76D45A1AF09A0FC87FAC',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Managed\\Installer\Products\C4D064F3712D4B64086B5BDE05DBC75F',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\D1003A85576B76D45A1AF09A0FC87FAC\InstallProperties',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{58A3001D-B675-4D67-A5A1-0FA9F08CF7CA}',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{3426921d-9ad5-4237-9145-f15dee7e3004}',
'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Group Policy\Appmgmt\{40bf8c82-ed0d-4f66-b73e-58a3d7ab6582}',
'Registry::HKEY_CLASSES_ROOT\Installer\Dependencies\{3426921d-9ad5-4237-9145-f15dee7e3004}',
'Registry::HKEY_CLASSES_ROOT\Installer\Dependencies\{3F460D4C-D217-46B4-80B6-B5ED50BD7CF5}',
'Registry::HKEY_CLASSES_ROOT\Installer\Products\C4D064F3712D4B64086B5BDE05DBC75F',
'Registry::HKEY_CLASSES_ROOT\Installer\Products\D1003A85576B76D45A1AF09A0FC87FAC',
'Registry::HKEY_CLASSES_ROOT\CLSID\{09DF1DCA-C076-498A-8370-AD6F878B6C6A}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{15DD3BF6-5A11-4407-8399-A19AC10C65D0}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{3C198C98-0E27-40E4-972C-FDC656EC30D7}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{459C65ED-AA9C-4CF1-9A24-7685505F919A}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{7BE3886B-0C12-4D87-AC0B-09A5CE4E6BD6}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{7E092B5C-795B-46BC-886A-DFFBBBC9A117}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{9D101D9C-18CC-4E78-8D78-389E48478FCA}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{B0B8CDD6-8AAA-4426-82E9-9455140124A1}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{B1B00A43-7A54-4A0F-B35D-B4334811FAA4}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{BBC521C8-2792-43FE-9C91-CCA7E8ACBCC9}',
'Registry::HKEY_CLASSES_ROOT\CLSID\{C59A1D54-8CD7-4795-AEDD-F6F6E2DE1FE7}',
'Registry::HKEY_CLASSES_ROOT\Installer\Products\C4D064F3712D4B64086B5BDE05DBC75F',
'Registry::HKEY_CLASSES_ROOT\Installer\Products\D1003A85576B76D45A1AF09A0FC87FAC',
'Registry::HKEY_CURRENT_USER\SOFTWARE\LabTech\Service',
'Registry::HKEY_CURRENT_USER\SOFTWARE\LabTech\LabVNC',
'Registry::HKEY_CURRENT_USER\Software\Microsoft\Installer\Products\C4D064F3712D4B64086B5BDE05DBC75F',
'HKU:\*\Software\Microsoft\Installer\Products\C4D064F3712D4B64086B5BDE05DBC75F'
)
$xarg = "/x ""$UninstallBase\$UninstallMSI"" /qn"
}#End Begin
Process{
If (-not ($Server)){
$Server = Get-LTServiceInfo -EA 0 -Verbose:$False -WhatIf:$False -Confirm:$False -Debug:$False|Select-Object -Expand 'Server' -EA 0
}
If (-not ($Server)){
$Server = Read-Host -Prompt 'Provide the URL to your LabTech server (https://lt.domain.com)'
}
If (-not ($Server)){
#Download $UninstallEXE
$AlternateServer=$Null
$uninstaller='https://s3.amazonaws.com/assets-cp/assets/Agent_Uninstall.exe'
If ($PSCmdlet.ShouldProcess("$uninstaller", "DownloadFile")) {
Write-Debug "Line $(LINENUM): Downloading $UninstallEXE from $uninstaller"
$Script:LTServiceNetWebClient.DownloadFile($uninstaller,"$UninstallBase\$UninstallEXE")
If ((Test-Path "$UninstallBase\$UninstallEXE")) {
If(((Get-Item "$UninstallBase\$UninstallEXE" -EA 0).length/1KB -gt 80)) {
$AlternateServer='https://s3.amazonaws.com'
} Else {
Write-Warning "Line $(LINENUM): $UninstallEXE size is below normal. Removing suspected corrupt file."
Remove-Item "$UninstallBase\$UninstallEXE" -ErrorAction SilentlyContinue -Force -Confirm:$False
}#End If
}#End If
}#End If
}
$Server=ForEach ($Svr in $Server) {If (($Svr)) {If ($Svr -notmatch 'https?://.+') {"https://$($Svr)"}; $Svr}}
ForEach ($Svr in $Server) {
If (-not ($GoodServer)) {
If ($Svr -match '^(https?://)?(([12]?[0-9]{1,2}\.){3}[12]?[0-9]{1,2}|[a-z0-9][a-z0-9_-]*(\.[a-z0-9][a-z0-9_-]*)*)$') {
Try{
If ($Svr -notmatch 'https?://.+') {$Svr = "http://$($Svr)"}
$SvrVerCheck = "$($Svr)/LabTech/Agent.aspx"
Write-Debug "Line $(LINENUM): Testing Server Response and Version: $SvrVerCheck"
$SvrVer = $Script:LTServiceNetWebClient.DownloadString($SvrVerCheck)
Write-Debug "Line $(LINENUM): Raw Response: $SvrVer"
$SVer = $SvrVer|select-string -pattern '(?<=[|]{6})[0-9]{1,3}\.[0-9]{1,3}'|ForEach-Object {$_.matches}|Select-Object -Expand value -EA 0
If ($Null -eq ($SVer)) {
Write-Verbose "Unable to test version response from $($Svr)."
Continue
}
$installer = "$($Svr)/LabTech/Service/LabTechRemoteAgent.msi"
$installerTest = [System.Net.WebRequest]::Create($installer)
If (($Script:LTProxy.Enabled) -eq $True) {
Write-Debug "Line $(LINENUM): Proxy Configuration Needed. Applying Proxy Settings to request."
$installerTest.Proxy=$Script:LTWebProxy
}#End If
$installerTest.KeepAlive=$False
$installerTest.ProtocolVersion = '1.0'
$installerResult = $installerTest.GetResponse()
$installerTest.Abort()
If ($installerResult.StatusCode -ne 200) {
Write-Warning "WARNING: Line $(LINENUM): Unable to download $UninstallMSI from server $($Svr)."
Continue
}
Else {
If ($PSCmdlet.ShouldProcess("$installer", "DownloadFile")) {
Write-Debug "Line $(LINENUM): Downloading $UninstallMSI from $installer"
$Script:LTServiceNetWebClient.DownloadFile($installer,"$UninstallBase\$UninstallMSI")
If ((Test-Path "$UninstallBase\$UninstallMSI")) {
If (!((Get-Item "$UninstallBase\$UninstallMSI" -EA 0).length/1KB -gt 1234)) {
Write-Warning "WARNING: Line $(LINENUM): $UninstallMSI size is below normal. Removing suspected corrupt file."
Remove-Item "$UninstallBase\$UninstallMSI" -ErrorAction SilentlyContinue -Force -Confirm:$False
Continue
} Else {
$AlternateServer = $Svr
}#End If
}#End If
}#End If
}#End If
#Using $SVer results gathered above.
If ([System.Version]$SVer -ge [System.Version]'110.374') {
#New Style Download Link starting with LT11 Patch 13 - The Agent Uninstaller URI has changed.
$uninstaller = "$($Svr)/LabTech/Service/LabUninstall.exe"
} Else {
#Original Uninstaller URL
$uninstaller = "$($Svr)/LabTech/Service/LabUninstall.exe"
}
$uninstallerTest = [System.Net.WebRequest]::Create($uninstaller)
If (($Script:LTProxy.Enabled) -eq $True) {
Write-Debug "Line $(LINENUM): Proxy Configuration Needed. Applying Proxy Settings to request."
$uninstallerTest.Proxy=$Script:LTWebProxy
}#End If
$uninstallerTest.KeepAlive=$False
$uninstallerTest.ProtocolVersion = '1.0'
$uninstallerResult = $uninstallerTest.GetResponse()
$uninstallerTest.Abort()
If ($uninstallerResult.StatusCode -ne 200) {
Write-Warning "WARNING: Line $(LINENUM): Unable to download Agent_Uninstall from server."
Continue
} Else {
#Download $UninstallEXE
If ($PSCmdlet.ShouldProcess("$uninstaller", "DownloadFile")) {
Write-Debug "Line $(LINENUM): Downloading $UninstallEXE from $uninstaller"
$Script:LTServiceNetWebClient.DownloadFile($uninstaller,"$UninstallBase\$UninstallEXE")
If ((Test-Path "$UninstallBase\$UninstallEXE") -and !((Get-Item "$UninstallBase\$UninstallEXE" -EA 0).length/1KB -gt 80)) {
Write-Warning "WARNING: Line $(LINENUM): $UninstallEXE size is below normal. Removing suspected corrupt file."
Remove-Item "$UninstallBase\$UninstallEXE" -ErrorAction SilentlyContinue -Force -Confirm:$False
Continue
}#End If
}#End If
}#End If
If ($WhatIfPreference -eq $True) {
$GoodServer = $Svr
} ElseIf ((Test-Path "$UninstallBase\$UninstallMSI") -and (Test-Path "$UninstallBase\$UninstallEXE")) {
$GoodServer = $Svr
Write-Verbose "Successfully downloaded files from $($Svr)."
} Else {
Write-Warning "WARNING: Line $(LINENUM): Error encountered downloading from $($Svr). Uninstall file(s) could not be received."
Continue
}#End If
}#End Try
Catch {
Write-Warning "WARNING: Line $(LINENUM): Error encountered downloading from $($Svr)."
Continue
}
} ElseIf ($Svr) {
Write-Verbose "Server address $($Svr) is not formatted correctly. Example: https://lt.domain.com"
}#End If
} Else {
Write-Debug "Line $(LINENUM): Server $($GoodServer) has been selected."
Write-Verbose "Server has already been selected - Skipping $($Svr)."
}#End If
}#End Foreach
}#End Process
End{
If ($GoodServer -match 'https?://.+' -or $AlternateServer -match 'https?://.+') {
Try{
Write-Output "Starting Uninstall."
Try { Stop-LTService -ErrorAction SilentlyContinue } Catch {}
#Kill all running processes from %ltsvcdir%
If (Test-Path $BasePath){
$Executables = (Get-ChildItem $BasePath -Filter *.exe -Recurse -ErrorAction SilentlyContinue|Select-Object -Expand FullName)
If ($Executables) {
Write-Verbose "Terminating LabTech Processes from $($BasePath) if found running: $(($Executables) -replace [Regex]::Escape($BasePath),'' -replace '^\\','')"
Get-Process | Where-Object {$Executables -contains $_.Path } | ForEach-Object {
Write-Debug "Line $(LINENUM): Terminating Process $($_.ProcessName)"
$($_) | Stop-Process -Force -ErrorAction SilentlyContinue
}
Get-ChildItem $BasePath -Filter labvnc.exe -ErrorAction SilentlyContinue | Remove-Item -Force -ErrorAction 0
}#End If
If ($PSCmdlet.ShouldProcess("$($BasePath)\wodVPN.dll", "Unregister DLL")) {
#Unregister DLL
Write-Debug "Line $(LINENUM): Executing Command ""regsvr32.exe /u $($BasePath)\wodVPN.dll /s"""
Try {& "${env:windir}\system32\regsvr32.exe" /u "$($BasePath)\wodVPN.dll" /s 2>''}
Catch {Write-Output "Error calling regsvr32.exe."}
}#End If
}#End If
If ($PSCmdlet.ShouldProcess("msiexec.exe $($xarg)", "Execute MSI Uninstall")) {
If ((Test-Path "$UninstallBase\$UninstallMSI")) {
#Run MSI uninstaller for current installation
Write-Verbose "Launching MSI Uninstall."
Write-Debug "Line $(LINENUM): Executing Command ""msiexec.exe $($xarg)"""
Start-Process -Wait -FilePath "${env:windir}\system32\msiexec.exe" -ArgumentList $xarg -WorkingDirectory $UninstallBase
Start-Sleep -Seconds 5
} Else {
Write-Verbose "WARNING: $UninstallBase\$UninstallMSI was not found."
}
}#End If
If ($PSCmdlet.ShouldProcess("$UninstallBase\$UninstallEXE", "Execute Agent Uninstall")) {
If ((Test-Path "$UninstallBase\$UninstallEXE")) {
#Run $UninstallEXE
Write-Verbose "Launching Agent Uninstaller"
Write-Debug "Line $(LINENUM): Executing Command ""$UninstallBase\$UninstallEXE"""
Start-Process -Wait -FilePath "$UninstallBase\$UninstallEXE" -WorkingDirectory $UninstallBase
Start-Sleep -Seconds 5
} Else {
Write-Verbose "WARNING: $UninstallBase\$UninstallEXE was not found."
}
}#End If
Write-Verbose "Removing Services if found."
#Remove Services
@('LTService','LTSvcMon','LabVNC') | ForEach-Object {
If (Get-Service $_ -EA 0) {
If ( $PSCmdlet.ShouldProcess("$($_)","Remove Service") ) {
Write-Debug "Line $(LINENUM): Removing Service: $($_)"
Try {& "${env:windir}\system32\sc.exe" delete "$($_)" 2>''}
Catch {Write-Output "Error calling sc.exe."}
}#End If
}#End If
}#End ForEach-Object
Write-Verbose "Cleaning Files remaining if found."
#Remove %ltsvcdir% - Depth First Removal, First by purging files, then Removing Folders, to get as much removed as possible if complete removal fails
@($BasePath, "${env:windir}\temp\_ltupdate", "${env:windir}\temp\_ltupdate") | foreach-object {
If ((Test-Path "$($_)" -EA 0)) {
If ( $PSCmdlet.ShouldProcess("$($_)","Remove Folder") ) {
Write-Debug "Line $(LINENUM): Removing Folder: $($_)"
Try {
Get-ChildItem -Path $_ -Recurse -Force -ErrorAction SilentlyContinue | Where-Object { ($_.psiscontainer) } | foreach-object { Get-ChildItem -Path "$($_.FullName)" -EA 0 | Where-Object { -not ($_.psiscontainer) } | Remove-Item -Force -ErrorAction SilentlyContinue -Confirm:$False -WhatIf:$False }
Get-ChildItem -Path $_ -Recurse -Force -ErrorAction SilentlyContinue | Where-Object { ($_.psiscontainer) } | Sort-Object { $_.fullname.length } -Descending | Remove-Item -Force -ErrorAction SilentlyContinue -Recurse -Confirm:$False -WhatIf:$False
Remove-Item -Recurse -Force -Path $_ -ErrorAction SilentlyContinue -Confirm:$False -WhatIf:$False
} Catch {}
}#End If
}#End If
}#End Foreach-Object
Write-Verbose "Cleaning Registry Keys if found."
#Remove all registry keys - Depth First Value Removal, then Key Removal, to get as much removed as possible if complete removal fails
Foreach ($reg in $regs) {
If ((Test-Path "$($reg)" -EA 0)) {
Write-Debug "Line $(LINENUM): Found Registry Key: $($reg)"
If ( $PSCmdlet.ShouldProcess("$($Reg)","Remove Registry Key") ) {
Try {
Get-ChildItem -Path $reg -Recurse -Force -ErrorAction SilentlyContinue | Sort-Object { $_.name.length } -Descending | Remove-Item -Recurse -Force -ErrorAction SilentlyContinue -Confirm:$False -WhatIf:$False
Remove-Item -Recurse -Force -Path $reg -ErrorAction SilentlyContinue -Confirm:$False -WhatIf:$False
} Catch {}
}#End If
}#End If
}#End Foreach
}#End Try
Catch{
Write-Error "ERROR: Line $(LINENUM): There was an error during the uninstall process. $($Error[0])" -ErrorAction Stop
}#End Catch
If ($WhatIfPreference -ne $True) {
If ($?){
#Post Uninstall Check
If((Test-Path "${env:windir}\ltsvc") -or (Test-Path "${env:windir}\temp\_ltupdate") -or (Test-Path registry::HKLM\Software\LabTech\Service) -or (Test-Path registry::HKLM\Software\WOW6432Node\Labtech\Service)){
Start-Sleep -Seconds 10
}#End If
If((Test-Path "${env:windir}\ltsvc") -or (Test-Path "${env:windir}\temp\_ltupdate") -or (Test-Path registry::HKLM\Software\LabTech\Service) -or (Test-Path registry::HKLM\Software\WOW6432Node\Labtech\Service)){
Write-Error "ERROR: Line $(LINENUM): Remnants of previous install still detected after uninstall attempt. Please reboot and try again."
} Else {
Write-Output "LabTech has been successfully uninstalled."
}#End If
} Else {
$($Error[0])
}#End If
}#End If
} ElseIf ($WhatIfPreference -ne $True) {
Write-Error "ERROR: Line $(LINENUM): No valid server was reached to use for the uninstall." -ErrorAction Stop
}#End If
If ($WhatIfPreference -ne $True) {
#Cleanup uninstall files
Remove-Item "$UninstallBase\$UninstallEXE","$UninstallBase\$UninstallMSI" -ErrorAction SilentlyContinue -Force -Confirm:$False
}#End If
Write-Debug "Exiting $($myInvocation.InvocationName) at line $(LINENUM)"
}#End End
}#End Function Uninstall-LTService
Function Install-LTService{
<#
.SYNOPSIS
This function will install the LabTech agent on the machine.
.DESCRIPTION
This function will install the LabTech agent on the machine with the specified server/password/location.
.PARAMETER Server
This is the URL to your LabTech server.
example: https://lt.domain.com
This is used to download the installation files.
(Get-LTServiceInfo|Select-Object -Expand 'Server Address' -ErrorAction SilentlyContinue)
.PARAMETER ServerPassword
This is the server password that agents use to authenticate with the LabTech server.
SELECT SystemPassword FROM config;
.PARAMETER InstallerToken
Permits use of installer tokens for customized MSI downloads. (Other installer types are not supported)
.PARAMETER LocationID
This is the LocationID of the location that the agent will be put into.
(Get-LTServiceInfo).LocationID
.PARAMETER TrayPort
This is the port LTSvc.exe listens on for communication with LTTray processes.
.PARAMETER Rename
This will call Rename-LTAddRemove after the install.
.PARAMETER Hide
This will call Hide-LTAddRemove after the install.
.PARAMETER SkipDotNet
This will disable the error checking for the .NET 3.5 and .NET 2.0 frameworks during the install process.
.PARAMETER Force
This will disable some of the error checking on the install process.
.PARAMETER NoWait
This will skip the ending health check for the install process.
The function will exit once the installer has completed.
.EXAMPLE
Install-LTService -Server https://lt.domain.com -Password 'plain text pass' -LocationID 42
This will install the LabTech agent using the provided Server URL, Password, and LocationID.
.NOTES
Version: 2.1
Author: Chris Taylor
Website: labtechconsulting.com
Creation Date: 3/14/2016
Purpose/Change: Initial script development
Update Date: 6/1/2017
Purpose/Change: Updates for better overall compatibility, including better support for PowerShell V2
Update Date: 6/10/2017
Purpose/Change: Updates for pipeline input, support for multiple servers
Update Date: 6/24/2017
Purpose/Change: Update to detect Server Version and use updated URL format for LabTech 11 Patch 13.
Update Date: 8/24/2017
Purpose/Change: Update to use Clear-Variable. Additional Debugging.