mirror of
https://github.com/fleetdm/fleet
synced 2026-05-01 10:27:35 +00:00
91 lines
3 KiB
Text
91 lines
3 KiB
Text
# Fleet extracts name from installer (EXE) and saves it to PACKAGE_ID
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# variable
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$softwareName = $PACKAGE_ID
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# It is recommended to use exact software name here if possible to avoid
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# uninstalling unintended software.
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$softwareNameLike = "*$softwareName*"
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# Some uninstallers require a flag to run silently.
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# Each uninstaller might use different argument (usually it's "/S" or "/s")
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$uninstallArgs = "/S"
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$machineKey = `
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'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*'
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$machineKey32on64 = `
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'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
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$exitCode = 0
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try {
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[array]$uninstallKeys = Get-ChildItem `
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-Path @($machineKey, $machineKey32on64) `
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-ErrorAction SilentlyContinue |
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ForEach-Object { Get-ItemProperty $_.PSPath }
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$foundUninstaller = $false
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foreach ($key in $uninstallKeys) {
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# If needed, add -notlike to the comparison to exclude certain similar
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# software
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if ($key.DisplayName -like $softwareNameLike) {
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$foundUninstaller = $true
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# Get the uninstall command. Some uninstallers do not include
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# 'QuietUninstallString' and require a flag to run silently.
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$uninstallCommand = if ($key.QuietUninstallString) {
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$key.QuietUninstallString
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} else {
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$key.UninstallString
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}
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# The uninstall command may contain command and args, like:
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# "C:\Program Files\Software\uninstall.exe" --uninstall --silent
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# Split the command and args
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$splitArgs = $uninstallCommand.Split('"')
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if ($splitArgs.Length -gt 1) {
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if ($splitArgs.Length -eq 3) {
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$uninstallArgs = "$( $splitArgs[2] ) $uninstallArgs".Trim()
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} elseif ($splitArgs.Length -gt 3) {
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Throw `
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"Uninstall command contains multiple quoted strings. " +
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"Please update the uninstall script.`n" +
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"Uninstall command: $uninstallCommand"
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}
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$uninstallCommand = $splitArgs[1]
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}
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Write-Host "Uninstall command: $uninstallCommand"
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Write-Host "Uninstall args: $uninstallArgs"
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$processOptions = @{
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FilePath = $uninstallCommand
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PassThru = $true
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Wait = $true
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}
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if ($uninstallArgs -ne '') {
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$processOptions.ArgumentList = "$uninstallArgs"
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}
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# Start process and track exit code
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$process = Start-Process @processOptions
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$exitCode = $process.ExitCode
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# Prints the exit code
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Write-Host "Uninstall exit code: $exitCode"
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# Exit the loop once the software is found and uninstalled.
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break
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}
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}
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if (-not $foundUninstaller) {
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Write-Host "Uninstaller for '$softwareName' not found."
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# Change exit code to 0 if you don't want to fail if uninstaller is not
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# found. This could happen if program was already uninstalled.
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$exitCode = 1
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}
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} catch {
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Write-Host "Error: $_"
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$exitCode = 1
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}
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Exit $exitCode
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