DSCResources/DSC_NetBios/DSC_NetBios.psm1
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$modulePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) -ChildPath 'Modules' # Import the Networking Common Modules Import-Module -Name (Join-Path -Path $modulePath ` -ChildPath (Join-Path -Path 'NetworkingDsc.Common' ` -ChildPath 'NetworkingDsc.Common.psm1')) Import-Module -Name (Join-Path -Path $modulePath -ChildPath 'DscResource.Common') # Import Localization Strings $script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US' #region check NetBiosSetting enum loaded, if not load try { [void][System.Reflection.Assembly]::GetAssembly([NetBiosSetting]) } catch { Add-Type -TypeDefinition @' public enum NetBiosSetting { Default, Enable, Disable } '@ } #endregion <# .SYNOPSIS Returns the current state of the Net Bios on an interface. .PARAMETER InterfaceAlias Specifies the alias of a network interface. Supports the use of '*' and '%'. .PARAMETER Setting Specifies if NetBIOS should be enabled or disabled or obtained from the DHCP server (Default). If static IP, Enable NetBIOS. Parameter value is ignored. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $InterfaceAlias, [Parameter(Mandatory = $true)] [ValidateSet('Default', 'Enable', 'Disable')] [System.String] $Setting ) Write-Verbose -Message ($script:localizedData.GettingNetBiosSettingMessage -f $InterfaceAlias) $win32NetworkAdapterFilter = Format-Win32NetworkAdapterFilterByNetConnectionId -InterfaceAlias $InterfaceAlias $netAdapter = Get-CimInstance ` -ClassName Win32_NetworkAdapter ` -Filter $win32NetworkAdapterFilter if ($netAdapter) { Write-Verbose -Message ($script:localizedData.InterfaceDetectedMessage -f $InterfaceAlias, ($netAdapter.InterfaceIndex -Join ',')) } else { New-InvalidOperationException ` -Message ($script:localizedData.InterfaceNotFoundError -f $InterfaceAlias) } <# If a wildcard was specified for the InterfaceAlias then more than one adapter may be returned. If more than one adapter is returned then the NetBiosSetting value should be returned for the first adapter that does not match the desired value. This is to ensure that when testing the resource state it will return a mismatch if any adapters don't have the correct setting. #> foreach ($netAdapterItem in $netAdapter) { $netAdapterConfig = $netAdapterItem | Get-CimAssociatedInstance ` -ResultClassName Win32_NetworkAdapterConfiguration ` -ErrorAction Stop $tcpipNetbiosOptions = $netAdapterConfig.TcpipNetbiosOptions if ($tcpipNetbiosOptions) { $interfaceSetting = $([NetBiosSetting].GetEnumValues()[$tcpipNetbiosOptions]) } else { $interfaceSetting = 'Default' } Write-Verbose -Message ($script:localizedData.CurrentNetBiosSettingMessage -f $netAdapterItem.Name, $interfaceSetting) if ($interfaceSetting -ne $Setting) { $Setting = $interfaceSetting break } } return @{ InterfaceAlias = $InterfaceAlias Setting = $Setting } } <# .SYNOPSIS Sets the state of the Net Bios on an interface. .PARAMETER InterfaceAlias Specifies the alias of a network interface. Supports the use of '*' and '%'. .PARAMETER Setting Specifies if NetBIOS should be enabled or disabled or obtained from the DHCP server (Default). If static IP, Enable NetBIOS. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $InterfaceAlias, [Parameter(Mandatory = $true)] [ValidateSet('Default', 'Enable', 'Disable')] [System.String] $Setting ) Write-Verbose -Message ($script:localizedData.SettingNetBiosSettingMessage -f $InterfaceAlias) $win32NetworkAdapterFilter = Format-Win32NetworkAdapterFilterByNetConnectionId -InterfaceAlias $InterfaceAlias $netAdapter = Get-CimInstance ` -ClassName Win32_NetworkAdapter ` -Filter $win32NetworkAdapterFilter if ($netAdapter) { Write-Verbose -Message ($script:localizedData.InterfaceDetectedMessage -f $InterfaceAlias, ($netAdapter.InterfaceIndex -Join ',')) } else { New-InvalidOperationException ` -Message ($script:localizedData.InterfaceNotFoundError -f $InterfaceAlias) } foreach ($netAdapterItem in $netAdapter) { $netAdapterConfig = $netAdapterItem | Get-CimAssociatedInstance ` -ResultClassName Win32_NetworkAdapterConfiguration ` -ErrorAction Stop if ($Setting -eq [NetBiosSetting]::Default) { Write-Verbose -Message ($script:localizedData.ResetToDefaultMessage -f $netAdapterItem.Name) # If DHCP is not enabled, SetTcpipNetbios CIM Method won't take 0 so overwrite registry entry instead. $setItemPropertyParameters = @{ Path = "HKLM:\SYSTEM\CurrentControlSet\Services\NetBT\Parameters\Interfaces\Tcpip_$($NetAdapterConfig.SettingID)" Name = 'NetbiosOptions' Value = 0 } $null = Set-ItemProperty @setItemPropertyParameters } else { Write-Verbose -Message ($script:localizedData.SetNetBiosMessage -f $netAdapterItem.Name, $Setting) $result = $netAdapterConfig | Invoke-CimMethod ` -MethodName SetTcpipNetbios ` -ErrorAction Stop ` -Arguments @{ TcpipNetbiosOptions = [uint32][NetBiosSetting]::$Setting.value__ } if ($result.ReturnValue -ne 0) { New-InvalidOperationException ` -Message ($script:localizedData.FailedUpdatingNetBiosError -f $netAdapterItem.Name, $result.ReturnValue, $Setting) } } } } <# .SYNOPSIS Tests the current state the Net Bios on an interface. .PARAMETER InterfaceAlias Specifies the alias of a network interface. Supports the use of '*' and '%'. .PARAMETER Setting Specifies if NetBIOS should be enabled or disabled or obtained from the DHCP server (Default). If static IP, Enable NetBIOS. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $InterfaceAlias, [Parameter(Mandatory = $true)] [ValidateSet('Default', 'Enable', 'Disable')] [System.String] $Setting ) Write-Verbose -Message ($script:localizedData.TestingNetBiosSettingMessage -f $InterfaceAlias) $currentState = Get-TargetResource @PSBoundParameters return Test-DscParameterState -CurrentValues $currentState -DesiredValues $PSBoundParameters } Export-ModuleMember -Function *-TargetResource |