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<Type Name="WindowsPrincipal" FullName="System.Security.Principal.WindowsPrincipal">
<TypeSignature Maintainer="auto" Language="C#" Value="public class WindowsPrincipal : System.Security.Principal.IPrincipal" />
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00]</AssemblyPublicKey>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
<ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the <link location="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details.</ThreadSafetyStatement>
<Docs>
<summary>This class represents the group membership of an operating system user.</summary>
<remarks>
<para>The WindowsPrincipal class can also be used on POSIX compliant operating system.</para>
<example>
<code lang="C#">
using System;
using System.Runtime.InteropServices;
using System.Security.Principal;
class WinPrincipal {
[DllImport ("advapi32.dll", CallingConvention=CallingConvention.StdCall)]
public static extern bool LogonUser (string lpszUsername,
string lpszDomain, string lpszPassword, int dwLogonType,
int dwLogonProvider, ref IntPtr phToken);
static void Principal (WindowsIdentity user)
{
WindowsPrincipal wp = new WindowsPrincipal (user);
while (true) {
Console.Write ("Enter group name: ");
string group = Console.ReadLine ();
if (group == String.Empty)
break;
Console.WriteLine ("\t{0} is {1}a member of {2}{3}",
user.Name,
(wp.IsInRole (group) ? String.Empty : "NOT "),
group,
Environment.NewLine);
}
}
[STAThread]
static void Main (string[] args)
{
bool posix = ((int) Environment.OSVersion.Platform == 128);
while (true) {
Console.Write ("Enter username:\t");
string username = Console.ReadLine ();
if (username == String.Empty)
break;
WindowsIdentity user = null;
// check for Posix versus Windows
if (posix) {
user = new WindowsIdentity (username);
}
else {
Console.Write ("Enter domain:\t");
string domain = Console.ReadLine ();
Console.Write ("Enter password:\t");
string password = Console.ReadLine ();
IntPtr token = IntPtr.Zero;
// note: we should close that handle
LogonUser (username, domain, password, 2, 0, ref token);
if (token == IntPtr.Zero) {
Console.WriteLine ("Invalid username/domain/password");
continue;
}
user = new WindowsIdentity (token);
}
Principal (user);
}
}
} </code>
</example>
</remarks>
</Docs>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.Security.Principal.IPrincipal</InterfaceName>
</Interface>
</Interfaces>
<Members>
<Member MemberName="IsInRole">
<MemberSignature Language="C#" Value="public virtual bool IsInRole (string role);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="role" Type="System.String" />
</Parameters>
<Docs>
<summary>Return the membership of the current principal in the specified role.</summary>
<param name="role">The group name.</param>
<returns>True if the current identity is a member of the specified role, false otherwise.</returns>
<remarks>On Unix systems, the role is mapped to Unix groups. For users to be considered to have a certain role, the role must be listed in the Unix groups (the /etc/group file) and it must contain a list of users that belong to that group.
<para>
For example, if you want to check that the user is in role "USAGNT\\UGR_RBP" the file /etc/group should contain a line like this:
</para><example>
<code lang="/etc/group">
USAGNT\UGR_RBP:x:300:miguel,don,jon,julia
</code></example><para>
In this particular example, the users miguel, don, jon and julia belong to the "USAGNT\UGR_RBP" role.
</para></remarks>
</Docs>
</Member>
<Member MemberName="IsInRole">
<MemberSignature Language="C#" Value="public virtual bool IsInRole (System.Security.Principal.WindowsBuiltInRole role);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="role" Type="System.Security.Principal.WindowsBuiltInRole" />
</Parameters>
<Docs>
<summary>Return the membership of the current principal in the specified role.</summary>
<param name="role">A member of the <see cref="T:System.Security.Principal.WindowsBuiltInRole" /> enumeration.</param>
<returns>True if the current identity is a member of the specified role, false otherwise.</returns>
<remarks>On POSIX compliant systems the <see cref="M:System.Security.Principal.WindowsBuiltInRole.Administrators" /> group is mapped to the "root" group. All other groups will return false.</remarks>
</Docs>
</Member>
<Member MemberName="IsInRole">
<MemberSignature Language="C#" Value="public virtual bool IsInRole (int rid);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="rid" Type="System.Int32" />
</Parameters>
<Docs>
<summary>Return the membership of the current principal in the specified role.</summary>
<param name="rid">An integer representing the group.</param>
<returns>True if the current identity is a member of the specified role, false otherwise.</returns>
<remarks>The role id, is mapped like this:
<list type="table">
<listheader>
<term>Role ID</term>
<description>Description</description>
</listheader>
<item>
<term>544</term>
<description>BUILTIN\\Administrators</description>
</item>
<item>
<term>545</term>
<description>BUILTIN\\Users</description>
</item>
<item>
<term>546</term>
<description>BUILTIN\\Guests</description>
</item>
<item>
<term>547</term>
<description>BUILTIN\\Power Users</description>
</item>
<item>
<term>548</term>
<description>BUILTIN\\Account Operators</description>
</item>
<item>
<term>549</term>
<description>BUILTIN\\System Operators</description>
</item>
<item>
<term>550</term>
<description>BUILTIN\\Print Operators</description>
</item>
<item>
<term>551</term>
<description>BUILTIN\\Backup Operators</description>
</item>
<item>
<term>552</term>
<description>BUILTIN\\Replicator</description>
</item></list></remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public WindowsPrincipal (System.Security.Principal.WindowsIdentity ntIdentity);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="ntIdentity" Type="System.Security.Principal.WindowsIdentity" />
</Parameters>
<Docs>
<summary>Creates the corresponding principal of a WindowsIdentity instance.</summary>
<param name="ntIdentity">The identity for which the principal will be created.</param>
<remarks>To be added</remarks>
</Docs>
</Member>
<Member MemberName="Identity">
<MemberSignature Language="C#" Value="public virtual System.Security.Principal.IIdentity Identity { get; };" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.Security.Principal.IIdentity</ReturnType>
</ReturnValue>
<Docs>
<summary>The operating system identity associated with the current principal.</summary>
<value>The current identity of the principal. </value>
<remarks>The returned identity will always be a <see cref="T:System.Security.Principal.WindowsIdentity" /> instance.</remarks>
</Docs>
</Member>
</Members>
</Type>
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