2 // System.Security.Cryptography.X509Certificates.X500DistinguishedName
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2004-2006 Novell Inc. (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #if SECURITY_DEP || MOONLIGHT
31 using System
.Collections
;
35 using MX
= Mono
.Security
.X509
;
37 namespace System
.Security
.Cryptography
.X509Certificates
{
39 [MonoTODO ("Some X500DistinguishedNameFlags options aren't supported, like DoNotUsePlusSign, DoNotUseQuotes and ForceUTF8Encoding")]
40 public sealed class X500DistinguishedName
: AsnEncodedData
{
42 private const X500DistinguishedNameFlags AllFlags
= X500DistinguishedNameFlags
.Reversed
|
43 X500DistinguishedNameFlags
.UseSemicolons
| X500DistinguishedNameFlags
.DoNotUsePlusSign
|
44 X500DistinguishedNameFlags
.DoNotUseQuotes
| X500DistinguishedNameFlags
.UseCommas
|
45 X500DistinguishedNameFlags
.UseNewLines
| X500DistinguishedNameFlags
.UseUTF8Encoding
|
46 X500DistinguishedNameFlags
.UseT61Encoding
| X500DistinguishedNameFlags
.ForceUTF8Encoding
;
51 public X500DistinguishedName (AsnEncodedData encodedDistinguishedName
)
53 if (encodedDistinguishedName
== null)
54 throw new ArgumentNullException ("encodedDistinguishedName");
56 RawData
= encodedDistinguishedName
.RawData
;
57 if (RawData
.Length
> 0)
63 public X500DistinguishedName (byte[] encodedDistinguishedName
)
65 if (encodedDistinguishedName
== null)
66 throw new ArgumentNullException ("encodedDistinguishedName");
69 RawData
= encodedDistinguishedName
;
70 if (encodedDistinguishedName
.Length
> 0)
76 public X500DistinguishedName (string distinguishedName
)
77 : this (distinguishedName
, X500DistinguishedNameFlags
.Reversed
)
81 public X500DistinguishedName (string distinguishedName
, X500DistinguishedNameFlags flag
)
83 if (distinguishedName
== null)
84 throw new ArgumentNullException ("distinguishedName");
85 if ((flag
!= 0) && ((flag
& AllFlags
) == 0))
86 throw new ArgumentException ("flag");
89 if (distinguishedName
.Length
== 0) {
90 // empty (0x00) ASN.1 sequence (0x30)
91 RawData
= new byte [2] { 0x30, 0x00 }
;
94 ASN1 dn
= MX
.X501
.FromString (distinguishedName
);
95 if ((flag
& X500DistinguishedNameFlags
.Reversed
) != 0) {
96 ASN1 rdn
= new ASN1 (0x30);
97 for (int i
= dn
.Count
- 1; i
>= 0; i
--)
101 RawData
= dn
.GetBytes ();
102 if (flag
== X500DistinguishedNameFlags
.None
)
103 name
= distinguishedName
;
105 name
= Decode (flag
);
109 public X500DistinguishedName (X500DistinguishedName distinguishedName
)
111 if (distinguishedName
== null)
112 throw new ArgumentNullException ("distinguishedName");
115 RawData
= distinguishedName
.RawData
;
116 name
= distinguishedName
.name
;
125 public string Decode (X500DistinguishedNameFlags flag
)
127 if ((flag
!= 0) && ((flag
& AllFlags
) == 0))
128 throw new ArgumentException ("flag");
130 if (RawData
.Length
== 0)
133 // Mono.Security reversed isn't the same as fx 2.0 (which is the reverse of 1.x)
134 bool reversed
= ((flag
& X500DistinguishedNameFlags
.Reversed
) != 0);
135 bool quotes
= ((flag
& X500DistinguishedNameFlags
.DoNotUseQuotes
) == 0);
136 string separator
= GetSeparator (flag
);
138 ASN1 rdn
= new ASN1 (RawData
);
139 return MX
.X501
.ToString (rdn
, reversed
, separator
, quotes
);
142 public override string Format (bool multiLine
)
145 string s
= Decode (X500DistinguishedNameFlags
.UseNewLines
);
147 return s
+ Environment
.NewLine
;
151 return Decode (X500DistinguishedNameFlags
.UseCommas
);
157 private static string GetSeparator (X500DistinguishedNameFlags flag
)
159 if ((flag
& X500DistinguishedNameFlags
.UseSemicolons
) != 0)
161 if ((flag
& X500DistinguishedNameFlags
.UseCommas
) != 0)
163 if ((flag
& X500DistinguishedNameFlags
.UseNewLines
) != 0)
164 return Environment
.NewLine
;
165 return ", "; //default
168 // decode the DN using the (byte[]) RawData
169 private void DecodeRawData ()
171 if ((RawData
== null) || (RawData
.Length
< 3)) {
176 ASN1 sequence
= new ASN1 (RawData
);
177 name
= MX
.X501
.ToString (sequence
, true, ", ", true);
180 private static string Canonize (string s
)
182 int i
= s
.IndexOf ('=');
183 StringBuilder r
= new StringBuilder (s
.Substring (0, i
+ 1));
184 // skip any white space starting the value
185 while (Char
.IsWhiteSpace (s
, ++i
));
186 // ensure we skip white spaces at the end of the value
188 // keep track of internal multiple spaces
190 for (; i
< s
.Length
; i
++) {
192 space
= Char
.IsWhiteSpace (s
, i
);
196 if (Char
.IsWhiteSpace (s
, i
))
198 r
.Append (Char
.ToUpperInvariant (s
[i
]));
200 return r
.ToString ();
203 // of all X500DistinguishedNameFlags flags nothing can do a "correct" comparison :|
204 internal static bool AreEqual (X500DistinguishedName name1
, X500DistinguishedName name2
)
207 return (name2
== null);
211 X500DistinguishedNameFlags flags
= X500DistinguishedNameFlags
.UseNewLines
| X500DistinguishedNameFlags
.DoNotUseQuotes
;
212 string[] split
= new string[] { Environment.NewLine }
;
213 string[] parts1
= name1
.Decode (flags
).Split (split
, StringSplitOptions
.RemoveEmptyEntries
);
214 string[] parts2
= name2
.Decode (flags
).Split (split
, StringSplitOptions
.RemoveEmptyEntries
);
215 if (parts1
.Length
!= parts2
.Length
)
218 for (int i
= 0; i
< parts1
.Length
; i
++) {
219 if (Canonize (parts1
[i
]) != Canonize (parts2
[i
]))