2 // Mono.Http.NtlmClient
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (c) 2003 Novell, Inc. (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Collections;
35 using Mono.Security.Protocol.Ntlm;
47 public Authorization Authenticate (string challenge, WebRequest webRequest, ICredentials credentials)
49 HttpWebRequest request = webRequest as HttpWebRequest;
53 NetworkCredential cred = credentials.GetCredential (request.RequestUri, "NTLM");
57 string userName = cred.UserName;
58 string domain = cred.Domain;
59 string password = cred.Password;
60 if (userName == null || userName == "")
63 if (String.IsNullOrEmpty (domain)) {
64 int idx = userName.IndexOf ('\\');
66 idx = userName.IndexOf ('/');
69 domain = userName.Substring (0, idx);
70 userName = userName.Substring (idx + 1);
74 bool completed = false;
75 if (message == null) {
76 Type1Message type1 = new Type1Message ();
77 type1.Domain = domain;
78 type1.Host = ""; // MS does not send it
80 } else if (message.Type == 1) {
81 // Should I check the credentials?
82 if (challenge == null) {
87 Type2Message type2 = new Type2Message (Convert.FromBase64String (challenge));
91 Type3Message type3 = new Type3Message ();
92 type3.Domain = domain;
93 // type3.Host = ""; MS sends the machine name for type 3 packets
94 type3.Username = userName;
95 type3.Challenge = type2.Nonce;
96 type3.Password = password;
100 // Should I check the credentials?
101 // type must be 3 here
102 if (challenge == null || challenge == String.Empty) {
103 Type1Message type1 = new Type1Message ();
104 type1.Domain = domain;
105 type1.Host = ""; // MS does not send it
112 string token = "NTLM " + Convert.ToBase64String (message.GetBytes ());
113 return new Authorization (token, completed);
117 class NtlmClient : IAuthenticationModule
119 static Hashtable cache;
123 cache = new Hashtable ();
126 public NtlmClient () {}
128 public Authorization Authenticate (string challenge, WebRequest webRequest, ICredentials credentials)
130 if (credentials == null || challenge == null)
133 string header = challenge.Trim ();
134 int idx = header.ToLower ().IndexOf ("ntlm");
138 idx = header.IndexOfAny (new char [] {' ', '\t'});
140 header = header.Substring (idx).Trim ();
145 HttpWebRequest request = webRequest as HttpWebRequest;
150 NtlmSession ds = (NtlmSession) cache [request];
152 ds = new NtlmSession ();
153 cache.Add (request, ds);
156 return ds.Authenticate (header, webRequest, credentials);
160 public Authorization PreAuthenticate (WebRequest webRequest, ICredentials credentials)
165 public string AuthenticationType {
166 get { return "NTLM"; }
169 public bool CanPreAuthenticate {
170 get { return false; }