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// Licensed under the MIT License.
#region Using directives
using System;
using System.Collections.Generic;
using System.Management.Automation;
using System.Management.Automation.SecurityAccountsManager;
using System.Management.Automation.SecurityAccountsManager.Extensions;
using Microsoft.PowerShell.LocalAccounts;
using System.Diagnostics.CodeAnalysis;
#endregion
namespace Microsoft.PowerShell.Commands
{
/// <summary>
/// The Disable-LocalUser cmdlet disables local user accounts. When a user
/// account is disabled, the user is not permitted to log on. When a user
/// account is enabled, the user is permitted to log on normally.
/// </summary>
[Cmdlet(VerbsLifecycle.Disable, "LocalUser",
SupportsShouldProcess = true,
HelpUri = "https://go.microsoft.com/fwlink/?LinkId=717986")]
[Alias("dlu")]
public class DisableLocalUserCommand : Cmdlet
{
#region Constants
private const Enabling enabling = Enabling.Disable;
#endregion Constants
#region Instance Data
private Sam sam = null;
#endregion Instance Data
#region Parameter Properties
/// <summary>
/// The following is the definition of the input parameter "InputObject".
/// Specifies the of the local user accounts to disable in the local Security
/// Accounts Manager.
/// </summary>
[Parameter(Mandatory = true,
Position = 0,
ValueFromPipeline = true,
ValueFromPipelineByPropertyName = true,
ParameterSetName = "InputObject")]
[ValidateNotNullOrEmpty]
[SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
public Microsoft.PowerShell.Commands.LocalUser[] InputObject
{
get { return this.inputobject; }
set { this.inputobject = value; }
}
private Microsoft.PowerShell.Commands.LocalUser[] inputobject;
/// <summary>
/// The following is the definition of the input parameter "Name".
/// Specifies the names of the local user accounts to disable in the local
/// Security Accounts Manager.
/// </summary>
[Parameter(Mandatory = true,
Position = 0,
ValueFromPipeline = true,
ValueFromPipelineByPropertyName = true,
ParameterSetName = "Default")]
[ValidateNotNullOrEmpty]
[SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
public string[] Name
{
get { return this.name; }
set { this.name = value; }
}
private string[] name;
/// <summary>
/// The following is the definition of the input parameter "SID".
/// Specifies the LocalUser accounts to disable by
/// System.Security.Principal.SecurityIdentifier.
/// </summary>
[Parameter(Mandatory = true,
Position = 0,
ValueFromPipeline = true,
ValueFromPipelineByPropertyName = true,
ParameterSetName = "SecurityIdentifier")]
[ValidateNotNullOrEmpty]
[SuppressMessage("Microsoft.Performance", "CA1819:PropertiesShouldNotReturnArrays")]
public System.Security.Principal.SecurityIdentifier[] SID
{
get { return this.sid;}
set { this.sid = value; }
}
private System.Security.Principal.SecurityIdentifier[] sid;
#endregion Parameter Properties
#region Cmdlet Overrides
/// <summary>
/// BeginProcessing method.
/// </summary>
protected override void BeginProcessing()
{
sam = new Sam();
}
/// <summary>
/// ProcessRecord method.
/// </summary>
protected override void ProcessRecord()
{
try
{
ProcessUsers();
ProcessNames();
ProcessSids();
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
/// <summary>
/// EndProcessing method.
/// </summary>
protected override void EndProcessing()
{
if (sam != null)
{
sam.Dispose();
sam = null;
}
}
#endregion Cmdlet Overrides
#region Private Methods
/// <summary>
/// Process users requested by -Name.
/// </summary>
/// <remarks>
/// All arguments to -Name will be treated as names,
/// even if a name looks like a SID.
/// </remarks>
private void ProcessNames()
{
if (Name != null)
{
foreach (var name in Name)
{
try
{
if (CheckShouldProcess(name))
sam.EnableLocalUser(sam.GetLocalUser(name), enabling);
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
}
}
/// <summary>
/// Process users requested by -SID.
/// </summary>
private void ProcessSids()
{
if (SID != null)
{
foreach (var sid in SID)
{
try
{
if (CheckShouldProcess(sid.ToString()))
sam.EnableLocalUser(sid, enabling);
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
}
}
/// <summary>
/// Process users requested by -InputObject.
/// </summary>
private void ProcessUsers()
{
if (InputObject != null)
{
foreach (var user in InputObject)
{
try
{
if (CheckShouldProcess(user.Name))
sam.EnableLocalUser(user, enabling);
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
}
}
private bool CheckShouldProcess(string target)
{
return ShouldProcess(target, Strings.ActionDisableUser);
}
#endregion Private Methods
}
}
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