2 // X509Extensions.cs: Handles X.509 extensions.
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
8 // (C) 2004 Novell (http://www.novell.com)
12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
14 // Permission is hereby granted, free of charge, to any person obtaining
15 // a copy of this software and associated documentation files (the
16 // "Software"), to deal in the Software without restriction, including
17 // without limitation the rights to use, copy, modify, merge, publish,
18 // distribute, sublicense, and/or sell copies of the Software, and to
19 // permit persons to whom the Software is furnished to do so, subject to
20 // the following conditions:
22 // The above copyright notice and this permission notice shall be
23 // included in all copies or substantial portions of the Software.
25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 using System
.Collections
;
39 namespace Mono
.Security
.X509
{
41 * Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension
43 * Note: 1..MAX -> There shouldn't be 0 Extensions in the ASN1 structure
50 sealed class X509ExtensionCollection
: CollectionBase
, IEnumerable
{
52 private bool readOnly
;
54 public X509ExtensionCollection () : base ()
58 public X509ExtensionCollection (ASN1 asn1
) : this ()
64 throw new Exception ("Invalid extensions format");
65 for (int i
=0; i
< asn1
.Count
; i
++) {
66 X509Extension extension
= new X509Extension (asn1
[i
]);
67 InnerList
.Add (extension
);
71 public int Add (X509Extension extension
)
73 if (extension
== null)
74 throw new ArgumentNullException ("extension");
76 throw new NotSupportedException ("Extensions are read only");
78 return InnerList
.Add (extension
);
81 public void AddRange (X509Extension
[] extension
)
83 if (extension
== null)
84 throw new ArgumentNullException ("extension");
86 throw new NotSupportedException ("Extensions are read only");
88 for (int i
= 0; i
< extension
.Length
; i
++)
89 InnerList
.Add (extension
[i
]);
92 public void AddRange (X509ExtensionCollection collection
)
94 if (collection
== null)
95 throw new ArgumentNullException ("collection");
97 throw new NotSupportedException ("Extensions are read only");
99 for (int i
= 0; i
< collection
.InnerList
.Count
; i
++)
100 InnerList
.Add (collection
[i
]);
103 public bool Contains (X509Extension extension
)
105 return (IndexOf (extension
) != -1);
108 public bool Contains (string oid
)
110 return (IndexOf (oid
) != -1);
113 public void CopyTo (X509Extension
[] extensions
, int index
)
115 if (extensions
== null)
116 throw new ArgumentNullException ("extensions");
118 InnerList
.CopyTo (extensions
, index
);
121 public int IndexOf (X509Extension extension
)
123 if (extension
== null)
124 throw new ArgumentNullException ("extension");
126 for (int i
=0; i
< InnerList
.Count
; i
++) {
127 X509Extension ex
= (X509Extension
) InnerList
[i
];
128 if (ex
.Equals (extension
))
134 public int IndexOf (string oid
)
137 throw new ArgumentNullException ("oid");
139 for (int i
=0; i
< InnerList
.Count
; i
++) {
140 X509Extension ex
= (X509Extension
) InnerList
[i
];
147 public void Insert (int index
, X509Extension extension
)
149 if (extension
== null)
150 throw new ArgumentNullException ("extension");
152 InnerList
.Insert (index
, extension
);
155 public void Remove (X509Extension extension
)
157 if (extension
== null)
158 throw new ArgumentNullException ("extension");
160 InnerList
.Remove (extension
);
163 public void Remove (string oid
)
166 throw new ArgumentNullException ("oid");
168 int index
= IndexOf (oid
);
170 InnerList
.RemoveAt (index
);
173 IEnumerator IEnumerable
.GetEnumerator ()
175 return InnerList
.GetEnumerator ();
178 public X509Extension
this [int index
] {
179 get { return (X509Extension) InnerList [index]; }
182 public X509Extension
this [string oid
] {
184 int index
= IndexOf (oid
);
187 return (X509Extension
) InnerList
[index
];
191 public byte[] GetBytes ()
193 if (InnerList
.Count
< 1)
195 ASN1 sequence
= new ASN1 (0x30);
196 for (int i
=0; i
< InnerList
.Count
; i
++) {
197 X509Extension x
= (X509Extension
) InnerList
[i
];
198 sequence
.Add (x
.ASN1
);
200 return sequence
.GetBytes ();