1 /******************************************************************************
2 * The MIT License
3 * Copyright (c) 2003 Novell Inc.  www.novell.com
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining  a copy
6 * of this software and associated documentation files (the Software), to deal
7 * in the Software without restriction, including  without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to  permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *******************************************************************************/
23 //
24 // Novell.Directory.Ldap.Controls.LdapSortResponse.cs
25 //
26 // Author:
27 //   Sunil Kumar (Sunilk@novell.com)
28 //
29 // (C) 2003 Novell, Inc (http://www.novell.com)
30 //
31 
32 using System;
33 using Novell.Directory.Ldap;
34 using Novell.Directory.Ldap.Asn1;
35 
36 namespace Novell.Directory.Ldap.Controls
37 {
38 
39 	/// <summary>  LdapSortResponse - will be added in newer version of Ldap
40 	/// Controls draft
41 	/// </summary>
42 	public class LdapSortResponse:LdapControl
43 	{
44 		/// <summary>  If not null, this returns the attribute that caused the sort
45 		/// operation to fail.
46 		/// </summary>
47 		virtual public System.String FailedAttribute
48 		{
49 			get
50 			{
51 				return failedAttribute;
52 			}
53 
54 		}
55 		/// <summary> Returns the result code from the sort</summary>
56 		virtual public int ResultCode
57 		{
58 			get
59 			{
60 				return resultCode;
61 			}
62 
63 		}
64 
65 		private System.String failedAttribute;
66 		private int resultCode;
67 
68 		/// <summary> This constructor is usually called by the SDK to instantiate an
69 		/// a LdapControl corresponding to the Server response to a Ldap
70 		/// Sort Control request.  Application programmers should not have
71 		/// any reason to call the constructor.  This constructor besides
72 		/// constructing a LdapControl object parses the contents of the response
73 		/// control.
74 		///
75 		/// RFC 2891 defines this response control as follows:
76 		///
77 		/// The controlValue is an OCTET STRING, whose
78 		/// value is the BER encoding of a value of the following SEQUENCE:
79 		/// SortResult ::= SEQUENCE {
80 		/// sortResult  ENUMERATED {
81 		/// success                   (0), -- results are sorted
82 		/// operationsError           (1), -- server internal failure
83 		/// timeLimitExceeded         (3), -- timelimit reached before
84 		/// -- sorting was completed
85 		/// strongAuthRequired        (8), -- refused to return sorted
86 		/// -- results via insecure
87 		/// -- protocol
88 		/// adminLimitExceeded       (11), -- too many matching entries
89 		/// -- for the server to sort
90 		/// noSuchAttribute          (16), -- unrecognized attribute
91 		/// -- type in sort key
92 		/// inappropriateMatching    (18), -- unrecognized or
93 		/// -- inappropriate matching
94 		/// -- rule in sort key
95 		/// insufficientAccessRights (50), -- refused to return sorted
96 		/// -- results to this client
97 		/// busy                     (51), -- too busy to process
98 		/// unwillingToPerform       (53), -- unable to sort
99 		/// other                    (80)
100 		/// },
101 		/// attributeType [0] AttributeDescription OPTIONAL }
102 		///
103 		///
104 		/// </summary>
105 		/// <param name="oid">    The OID of the control, as a dotted string.
106 		///
107 		/// </param>
108 		/// <param name="critical">  True if the Ldap operation should be discarded if
109 		/// the control is not supported. False if
110 		/// the operation can be processed without the control.
111 		///
112 		/// </param>
113 		/// <param name="values">    The control-specific data.
114 		/// </param>
115 		[CLSCompliantAttribute(false)]
LdapSortResponse(System.String oid, bool critical, sbyte[] values)116 		public LdapSortResponse(System.String oid, bool critical, sbyte[] values):base(oid, critical, values)
117 		{
118 
119 			// Create a decoder object
120 			LBERDecoder decoder = new LBERDecoder();
121 			if (decoder == null)
122 				throw new System.IO.IOException("Decoding error");
123 
124 			// We should get back an enumerated type
125 			Asn1Object asnObj = decoder.decode(values);
126 
127 			if ((asnObj == null) || (!(asnObj is Asn1Sequence)))
128 				throw new System.IO.IOException("Decoding error");
129 
130 
131 			Asn1Object asn1Enum = ((Asn1Sequence) asnObj).get_Renamed(0);
132 			if ((asn1Enum != null) && (asn1Enum is Asn1Enumerated))
133 				resultCode = ((Asn1Enumerated) asn1Enum).intValue();
134 
135 			// Second element is the attributeType
136 			if (((Asn1Sequence) asnObj).size() > 1)
137 			{
138 				Asn1Object asn1String = ((Asn1Sequence) asnObj).get_Renamed(1);
139 				if ((asn1String != null) && (asn1String is Asn1OctetString))
140 					failedAttribute = ((Asn1OctetString) asn1String).stringValue();
141 			}
142 			return ;
143 		}
144 	}
145 }
146