130 lines
3.7 KiB
C#
130 lines
3.7 KiB
C#
//
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// System.Security.Policy.ApplicationDirectoryMembershipCondition
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//
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// Authors:
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// Nick Drochak (ndrochak@gol.com)
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// Jackson Harper (Jackson@LatitudeGeo.com)
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// (C) 2002 Nick Drochak, All rights reserved.
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections;
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using System.Globalization;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using Mono.Security;
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namespace System.Security.Policy {
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[Serializable]
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[ComVisible (true)]
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public sealed class ApplicationDirectoryMembershipCondition : IConstantMembershipCondition, IMembershipCondition {
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private readonly int version = 1;
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public ApplicationDirectoryMembershipCondition ()
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{
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}
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// Methods
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public bool Check (Evidence evidence)
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{
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if (evidence == null)
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return false;
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string codebase = Assembly.GetCallingAssembly ().CodeBase;
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Uri local = new Uri (codebase);
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Url ucode = new Url (codebase);
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// *both* ApplicationDirectory and Url must be in *Host* evidences
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bool adir = false;
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bool url = false;
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IEnumerator e = evidence.GetHostEnumerator ();
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while (e.MoveNext ()) {
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object o = e.Current;
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if (!adir && (o is ApplicationDirectory)) {
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ApplicationDirectory ad = (o as ApplicationDirectory);
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string s = ad.Directory;
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adir = (String.Compare (s, 0, local.ToString (), 0, s.Length, true, CultureInfo.InvariantCulture) == 0);
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}
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else if (!url && (o is Url)) {
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url = ucode.Equals (o);
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}
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// got both ?
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if (adir && url)
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return true;
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}
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return false;
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}
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public IMembershipCondition Copy ()
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{
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return new ApplicationDirectoryMembershipCondition ();
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}
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public override bool Equals (object o)
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{
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return (o is ApplicationDirectoryMembershipCondition);
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}
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public void FromXml (SecurityElement e)
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{
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FromXml (e, null);
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}
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public void FromXml (SecurityElement e, PolicyLevel level)
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{
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MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
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}
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// All instances of ApplicationDirectoryMembershipCondition are equal so they should
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// have the same hashcode
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public override int GetHashCode ()
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{
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return typeof (ApplicationDirectoryMembershipCondition).GetHashCode ();
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}
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public override string ToString ()
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{
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return "ApplicationDirectory";
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}
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public SecurityElement ToXml ()
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{
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return ToXml (null);
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}
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public SecurityElement ToXml (PolicyLevel level)
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{
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SecurityElement se = MembershipConditionHelper.Element (typeof (ApplicationDirectoryMembershipCondition), version);
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// nothing to add
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return se;
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}
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}
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}
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