DSCResources/cSNMPCommunity/cSNMPCommunity.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $Community, [parameter(Mandatory = $true)] [System.String] $Right, [parameter(Mandatory = $true)] [System.String] $Ensure ) $Communities = [PSCustomObject](Get-ItemProperty "HKLM:\SYSTEM\CurrentControlSet\services\SNMP\Parameters\ValidCommunities").psbase.properties | ? { $_.Name -notin @('PSDrive','PSProvider','PSCHildName','PSPath','PSParentPath') } | Select Name,Value if ($Communities) { $ReturnValue = @{ Community=$Communities.Value } } else { $ReturnValue = @{ CommunityList="None" } } $ReturnValue } function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $Community, [parameter(Mandatory = $true)] [ValidateSet("None","Notify","ReadOnly","ReadWrite","ReadCreate")] [System.String] $Right, [parameter(Mandatory = $true)] [ValidateSet("Present","Absent")] [System.String] $Ensure ) Switch ($Right) { "None" { $RightNumber = 1 } "Notify" { $RightNumber = 2 } "ReadOnly" { $RightNumber = 4 } "ReadWrite" { $RightNumber = 8 } "ReadCreate" { $RightNumber = 16 } } switch ($Ensure) { "Present" { Write-Verbose "Addind community to the allowed list" New-ItemProperty -Path HKLM:\SYSTEM\CurrentControlSet\services\SNMP\Parameters\ValidCommunities -Name $Community -Value $RightNumber -PropertyType DWORD -Force } "Absent" { Write-Verbose "Removing community from the allowed list" if (Test-Path -Path HKLM:\SYSTEM\CurrentControlSet\services\SNMP\Parameters\ValidCommunities\$community) { Remove-ItemProperty -Path HKLM:\SYSTEM\CurrentControlSet\services\SNMP\Parameters\ValidCommunities -Name $Community -Force } } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $Community, [parameter(Mandatory = $true)] [ValidateSet("None","Notify","ReadOnly","ReadWrite","ReadCreate")] [System.String] $Right, [parameter(Mandatory = $true)] [ValidateSet("Present","Absent")] [System.String] $Ensure ) $Communities = [PSCustomObject](Get-ItemProperty "HKLM:\SYSTEM\CurrentControlSet\services\SNMP\Parameters\ValidCommunities").psbase.properties | ? { $_.Name -notin @('PSDrive','PSProvider','PSCHildName','PSPath','PSParentPath') } | Select Name,Value Switch ($Right) { "None" { $RightNumber = "1" } "Notify" { $RightNumber = "2" } "ReadOnly" { $RightNumber = "4" } "ReadWrite" { $RightNumber = "8" } "ReadCreate" { $RightNumber = "16" } } #Building the Hashtable if ($Communities) { $Communities | ? { $_.Name -eq $Community } | % { [String]$RegistryRight = $_.Value if ($Ensure -eq "Present") { if ($RegistryRight.trim() -eq $RightNumber) { $Return = $true } else { $Return = $false } } elseif ($Ensure -eq "Absent") { if ($RegistryRight.trim() -eq $RightNumber) { $Return = $false } else { $Return = $true } } } } else { $Return = $false } $Return } Export-ModuleMember -Function *-TargetResource |