dsc/custom/cAllUsersRegistry/DscResources/OBJ_cAllUsersRegistry/OBJ_cAllUsersRegistry.psm1
<#
The MIT License (MIT) Copyright (c) 2015 Objectivity Bespoke Software Specialists Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #> $activeSetupRegParentPath = 'HKLM:\Software\Microsoft\Active Setup\Installed Components' function Get-TargetResource { param ( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ActiveSetupName, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $Path, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ValueName, [parameter(Mandatory=$true)] [string] $ValueData, [parameter(Mandatory=$true)] [ValidateSet("String", "Binary", "DWord", "MultiString", "ExpandString")] [string] $ValueType, [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) $result = @{ ActiveSetupName = $ActiveSetupName Path = $Path ValueName = $ValueName Ensure = 'Absent' } $currentEntry = Get-ChildItem -Path $activeSetupRegParentPath | Where-Object { $_.GetValue('') -eq $ActiveSetupName } if ($currentEntry) { $result['Ensure'] = 'Present' $values = Get-ValuesFromRegCommand -RegCommand $currentEntry.GetValue('StubPath') if ($values.Count -eq 0) { $result['ValueData'] = '<Unknown>' } else { $result['Path'] = $values.Path $result['ValueName'] = $values.ValueName $result['ValueData'] = $values.ValueData $result['ValueType'] = $values.ValueType } } if (!(Get-PSDrive -Name HKU -ErrorAction SilentlyContinue)) { [void](New-PSDrive -Name HKU -PSProvider Registry -Root Registry::HKEY_USERS) } $loggedOnHKUs = Get-LoggedOnHKUPaths $isSetInAllLoggedOnHKUs = $true if ($Ensure -eq 'Present') { foreach ($hku in $loggedOnHKUs) { Write-Verbose -Message "Reading ${hku}\$Path / name $ValueName" #TODO: this is always $null for some reason :( $value = (Get-ItemProperty -Path "${hku}\$Path" -Name $ValueName -ErrorAction SilentlyContinue).$ValueName if ($value -ne $ValueData) { $isSetInAllLoggedOnHKUs = $false break } } } else { foreach ($hku in $loggedOnHKUs) { if (Get-Item -Path "${hku}\$Path" -ErrorAction SilentlyContinue) { $isSetInAllLoggedOnHKUs = $false break } } } $result['IsSetInAllLoggedOnHKUs'] = $isSetInAllLoggedOnHKUs return $result } function Test-TargetResource { param ( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ActiveSetupName, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $Path, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ValueName, [parameter(Mandatory=$true)] [string] $ValueData, [parameter(Mandatory=$true)] [ValidateSet("String", "Binary", "DWord", "MultiString", "ExpandString")] [string] $ValueType, [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) $currentState = Get-TargetResource @PSBoundParameters if ($currentState.Path -ne $Path) { Write-Verbose -Message "Path $($currentState.Path) != $Path" return $false } if ($currentState.ValueName -ne $ValueName) { Write-Verbose -Message "ValueName: $($currentState.ValueName) != $ValueName" return $false } if ($currentState.ValueData -ne $ValueData) { Write-Verbose -Message "ValueData: $($currentState.ValueData) != $ValueData" return $false } if ($currentState.ValueType -ne $ValueType) { Write-Verbose -Message "ValueType: $($currentState.ValueType) != $ValueType" return $false } if ($currentState.Ensure -ne $Ensure) { Write-Verbose -Message "Ensure: $($currentState.Ensure) != $Ensure" return $false } # TODO: this is always false - see comment in Get-TargetResource <#if (!$currentState.IsSetInAllLoggedOnHKUs){ Write-Verbose -Message "IsSetInAllLoggedOnHKUs: false" return $false }#> Write-Verbose -Message "IsSetInAllLoggedOnHKUs: $($currentState.IsSetInAllLoggedOnHKUs)" return $true } function Set-TargetResource { param ( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ActiveSetupName, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $Path, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ValueName, [parameter(Mandatory=$true)] [string] $ValueData, [parameter(Mandatory=$true)] [ValidateSet("String", "Binary", "DWord", "MultiString", "ExpandString")] [string] $ValueType, [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) if (!(Get-PSDrive -Name HKU -ErrorAction SilentlyContinue)) { [void](New-PSDrive -Name HKU -PSProvider Registry -Root Registry::HKEY_USERS) } $loggedOnHKUs = Get-LoggedOnHKUPaths $currentActiveSetupEntry = Get-ChildItem -Path $activeSetupRegParentPath | Where-Object { $_.GetValue('') -eq $ActiveSetupName } if ($currentActiveSetupEntry) { if ($currentActiveSetupEntry.Length -gt 1) { throw "More than one registry entry found under $activeSetupRegParentPath with name $ActiveSetupName" } $currentActiveSetupEntry = $currentActiveSetupEntry[0] } if ($Ensure -eq 'Present') { $regCommand = Get-RegCommand -Path $Path -ValueName $ValueName -ValueData $ValueData -ValueType $ValueType if ($currentActiveSetupEntry) { $activeSetupRegPath = $currentActiveSetupEntry.Name -replace 'HKEY_LOCAL_MACHINE', 'HKLM:' Write-Verbose "Setting '$activeSetupRegPath / StubPath' to '$regCommand'" Set-ItemProperty -Path $activeSetupRegPath -Name 'StubPath' -Value $regCommand -Force } else { $Guid = [guid]::NewGuid().Guid New-Item -Path $activeSetupRegParentPath -Name "{$Guid}" -Force | Out-Null $activeSetupRegPath = Join-Path -Path $activeSetupRegParentPath -ChildPath "{$Guid}" Write-Verbose "Setting '$activeSetupRegPath / StubPath' to '$regCommand'" Set-ItemProperty -Path $activeSetupRegPath -Name '(Default)' -Value $ActiveSetupName -Force Set-ItemProperty -Path $activeSetupRegPath -Name 'Version' -Value '1' -Force Set-ItemProperty -Path $activeSetupRegPath -Name 'StubPath' -Value $regCommand -Force } foreach ($hku in $loggedOnHKUs) { Write-Verbose "Setting ${hku}\$Path / $ValueName to $ValueData" [void](New-Item -Path "${hku}\$($Path | Split-Path -Parent)" -Name ($Path | Split-Path -Leaf) -Force) Set-ItemProperty -Path "${hku}\$Path" -Name $ValueName -Value $ValueData -Type $ValueType -Force } } else { if ($currentActiveSetupEntry) { $keyName = $currentActiveSetupEntry.Name Write-Verbose "Deleting key $keyName" & reg.exe delete "$keyName" } foreach ($hku in $loggedOnHKUs) { Write-Verbose "Removing ${hku}\$Path / $ValueName" Remove-ItemProperty -Path "${hku}\$Path" -Name -Force } } } function Get-RegCommand { param( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $Path, [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $ValueName, [parameter(Mandatory=$true)] [string] $ValueData, [parameter(Mandatory=$true)] [ValidateSet("String", "Binary", "DWord", "MultiString", "ExpandString")] [string] $ValueType ) switch ($ValueType) { 'String' { $regValueType = 'REG_SZ' } 'DWord' { $regValueType = 'REG_DWORD' } 'Binary' { $regValueType = 'REG_BINARY' } 'ExpandString' { $regValueType = 'REG_EXPAND_SZ' } 'MultiString' { $regValueType = 'REG_MULTI_SZ' } } return ("reg add `"{0}`" /v `"{1}`" /t {2} /d `"{3}`" /f" -f "HKCU\$Path", $ValueName, $regValueType, $ValueData) } function Get-ValuesFromRegCommand { param( [parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string] $RegCommand ) $regex = "reg add `"HKCU\\([^`"]+)`" /v `"([^`"]+)`" /t (\w+) /d `"([^`"]+)`" /f" if ($RegCommand -match $regex) { switch ($Matches[3]) { 'REG_SZ' { $regValueType = 'String' } 'REG_DWORD' { $regValueType = 'DWord' } 'REG_BINARY' { $regValueType = 'Binary' } 'REG_EXPAND_SZ' { $regValueType = 'ExpandString' } 'REG_MULTI_SZ' { $regValueType = 'MultiString' } } return @{ Path = $Matches[1] ValueName = $Matches[2] ValueType = $regValueType ValueData = $Matches[4] } } return @{} } function Get-LoggedOnHKUPaths { param() $LoggedOnSids = (Get-ChildItem HKU: | where { $_.Name -match 'S-\d-\d+-(\d+-){1,14}\d+$' }).PSChildName $result = @() foreach ($sid in $LoggedOnSids) { $result += @("HKU:\$sid") } return $result } Export-ModuleMember -Function *-TargetResource |