public/Get-Software.ps1
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Function Get-Software { <# .SYNOPSIS Get the installed software for local or remote machines .DESCRIPTION Get the installed software for local or remote machines. Requires the RemoteRegistry to be enabled on the machine. Will look for both x86 and x64 installed paths. .PARAMETER ComputerName Provide the computername(s) to query Default value is the local machine .EXAMPLE Get-SecurityUpdate -ComputerName 'CONTOSO-SRV01','CONTOSO-WEB01' Description ----------- Gets the software information for both CONTOSO-SRV01 and CONTOSO-WEB01 .NOTES Name: Get-Software.ps1 Author: Robert Prüst Module: PSP-Inventory DateCreated: 21-02-2019 DateModified: 01-03-2019 Blog: http://powershellpr0mpt.com .LINK http://powershellpr0mpt.com #> [OutputType('PSP.Inventory.Software')] [Cmdletbinding()] Param( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [String[]]$ComputerName = $env:COMPUTERNAME ) Begin { $InventoryDate = Get-Date -f 'dd-MM-yyyy HH:mm:ss' } Process { foreach ($Computer in $Computername) { $Computer = $Computer.ToUpper() if (Test-Connection -ComputerName $Computer -Count 1 -Quiet) { $Paths = @("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall", "SOFTWARE\\Wow6432node\\Microsoft\\Windows\\CurrentVersion\\Uninstall") foreach ($Path in $Paths) { Write-Verbose "Checking Path: $Path" try { $reg = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey('LocalMachine', $Computer, 'Registry64') } catch { Write-Error $_ Continue } try { $regkey = $reg.OpenSubKey($Path) $subkeys = $regkey.GetSubKeyNames() foreach ($key in $subkeys) { Write-Verbose "Key: $Key" $thisKey = $Path + "\\" + $key try { $thisSubKey = $reg.OpenSubKey($thisKey) $DisplayName = $thisSubKey.getValue("DisplayName") if ($DisplayName -AND $DisplayName -notmatch '^Update for|rollup|^Security Update|^Service Pack|^HotFix') { $Date = $thisSubKey.GetValue('InstallDate') if ($Date) { try { $Date = [datetime]::ParseExact($Date, 'yyyyMMdd', $Null) } catch { Write-Warning "$($Computer): $_ <$($Date)>" $Date = $Null } } $Publisher = try { $thisSubKey.GetValue('Publisher').Trim() } catch { $thisSubKey.GetValue('Publisher') } $Version = try { #Some weirdness with trailing [char]0 on some strings $thisSubKey.GetValue('DisplayVersion').TrimEnd(([char[]](32, 0))) } catch { $thisSubKey.GetValue('DisplayVersion') } $UninstallString = try { $thisSubKey.GetValue('UninstallString').Trim() } catch { $thisSubKey.GetValue('UninstallString') } $InstallLocation = try { $thisSubKey.GetValue('InstallLocation').Trim() } catch { $thisSubKey.GetValue('InstallLocation') } $InstallSource = try { $thisSubKey.GetValue('InstallSource').Trim() } catch { $thisSubKey.GetValue('InstallSource') } $HelpLink = try { $thisSubKey.GetValue('HelpLink').Trim() } catch { $thisSubKey.GetValue('HelpLink') } $Software = [PSCustomObject]@{ ComputerName = $Computer DisplayName = $DisplayName Version = $Version InstallDate = $Date Publisher = $Publisher UninstallString = $UninstallString InstallLocation = $InstallLocation InstallSource = $InstallSource HelpLink = $thisSubKey.GetValue('HelpLink') EstimatedSizeMB = [decimal]([math]::Round(($thisSubKey.GetValue('EstimatedSize') * 1024) / 1MB, 2)) InventoryDate = $InventoryDate } $Software.PSTypeNames.Insert(0, 'PSP.Inventory.Software') $Software } } catch { Write-Warning "$Key : $_" } } } catch {} $reg.Close() } } else { Write-Error "$($Computer): unable to reach remote system!" } } } } |