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//
// WindowsPrincipal.cs: Windows IPrincipal implementation
//
// Author:
// Sebastien Pouliot (sebastien@ximian.com)
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// 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.
//
using System.Collections;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.Claims;
namespace System.Security.Principal {
[Serializable]
[ComVisible (true)]
public class WindowsPrincipal :
ClaimsPrincipal
{
private WindowsIdentity _identity;
// http://groups.google.ca/groups?q=WindowsPrincipal+m_roles&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=OghXf4OgCHA.4228%40tkmsftngp08&rnum=4
private string [] m_roles;
// case sensitivity versus number of groups
// http://groups.google.ca/groups?q=WindowsPrincipal+m_roles&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=%23JEMHsMQCHA.1916%40tkmsftngp13&rnum=5
public WindowsPrincipal (WindowsIdentity ntIdentity)
{
if (ntIdentity == null)
throw new ArgumentNullException ("ntIdentity");
_identity = ntIdentity;
}
// properties
override
public IIdentity Identity {
get { return _identity; }
}
// methods
public virtual bool IsInRole (int rid)
{
if (Environment.IsUnix) {
return IsMemberOfGroupId (Token, (IntPtr) rid);
}
else {
string role = null;
switch (rid) {
case 544: // Administrator
role = "BUILTIN\\Administrators";
break;
case 545: // User
role = "BUILTIN\\Users";
break;
case 546: // Guest
role = "BUILTIN\\Guests";
break;
case 547: // PowerUser
role = "BUILTIN\\Power Users";
break;
case 548: // AccountOperator
role = "BUILTIN\\Account Operators";
break;
case 549: // SystemOperator
role = "BUILTIN\\System Operators";
break;
case 550: // PrintOperator
role = "BUILTIN\\Print Operators";
break;
case 551: // BackupOperator
role = "BUILTIN\\Backup Operators";
break;
case 552: // Replicator
role = "BUILTIN\\Replicator";
break;
default:
return false;
}
return IsInRole (role);
}
}
override
public bool IsInRole (string role)
{
if (role == null)
return false; // ArgumentNullException
if (Environment.IsUnix) {
// note: Posix is always case-sensitive
using (var rolePtr = new Mono.SafeStringMarshal (role))
return IsMemberOfGroupName (Token, rolePtr.Value);
}
else {
// Windows specific code that
// (a) build the role cache like the MS framework (for compatibility)
// (b) case sensitive (for Fx 1.0) and case insensitive (later Fx)
if (m_roles == null) {
m_roles = WindowsIdentity._GetRoles (Token);
}
role = role.ToUpperInvariant ();
foreach (string check in m_roles) {
if ((check != null) && (role == check.ToUpperInvariant ()))
return true;
}
return false;
}
}
public virtual bool IsInRole (WindowsBuiltInRole role)
{
if (Environment.IsUnix) {
// right now we only map Administrator == root
string group = null;
switch (role) {
case WindowsBuiltInRole.Administrator:
group = "root";
break;
default:
return false;
}
return IsInRole (group);
}
else {
return IsInRole ((int) role);
}
}
[MonoTODO ("not implemented")]
[ComVisible (false)]
public virtual bool IsInRole (SecurityIdentifier sid)
{
throw new NotImplementedException ();
}
private IntPtr Token {
get { return (_identity as WindowsIdentity).Token; }
}
// see mono/mono/metadata/security.c for implementation
// note: never called by Win32 code (i.e. always return false)
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern static bool IsMemberOfGroupId (IntPtr user, IntPtr group);
// note: never called by Win32 code (i.e. always return false)
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern static bool IsMemberOfGroupName (IntPtr user, IntPtr group);
}
}
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