2 // PublisherMembershipCondition.cs: Publisher Membership Condition
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Collections;
31 using System.Security.Cryptography.X509Certificates;
32 using System.Runtime.InteropServices;
34 using Mono.Security.Cryptography;
36 namespace System.Security.Policy {
42 public sealed class PublisherMembershipCondition : IConstantMembershipCondition, IMembershipCondition {
44 private readonly int version = 1;
46 private X509Certificate x509;
48 // so System.Activator.CreateInstance can create an instance...
49 internal PublisherMembershipCondition ()
53 public PublisherMembershipCondition (X509Certificate certificate)
55 if (certificate == null)
56 throw new ArgumentNullException ("certificate");
57 // needed to match MS implementation
58 if (certificate.GetHashCode () == 0) {
60 throw new ArgumentException ("certificate");
62 throw new NullReferenceException ("certificate");
68 public X509Certificate Certificate {
72 throw new ArgumentNullException ("value");
77 public bool Check (Evidence evidence)
82 IEnumerator e = evidence.GetHostEnumerator ();
83 while (e.MoveNext ()) {
84 if (e.Current is Publisher) {
85 if (x509.Equals ((e.Current as Publisher).Certificate))
92 public IMembershipCondition Copy ()
94 return new PublisherMembershipCondition (x509);
97 public override bool Equals (object o)
99 PublisherMembershipCondition pmc = (o as PublisherMembershipCondition);
102 return x509.Equals (pmc.Certificate);
105 public void FromXml (SecurityElement e)
110 public void FromXml (SecurityElement e, PolicyLevel level)
112 MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
113 string cert = e.Attribute ("X509Certificate");
115 byte[] rawcert = CryptoConvert.FromHex (cert);
116 x509 = new X509Certificate (rawcert);
118 // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
121 public override int GetHashCode ()
123 return x509.GetHashCode ();
126 public override string ToString ()
128 return "Publisher - " + x509.GetPublicKeyString ();
131 public SecurityElement ToXml ()
136 public SecurityElement ToXml (PolicyLevel level)
138 // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
139 SecurityElement se = MembershipConditionHelper.Element (typeof (PublisherMembershipCondition), version);
140 se.AddAttribute ("X509Certificate", x509.GetRawCertDataString ());