NtlmAuthenticateMessage GetChallengeResponse(string domain, string userName, string password, byte[] token, int startIndex, int length)
{
var challenge = new NtlmChallengeMessage(token, startIndex, length);
var authenticate = new NtlmAuthenticateMessage(negotiate, challenge, userName, password, domain, Workstation)
{
ClientChallenge = Nonce,
Timestamp = Timestamp
};
byte[] channelBindingToken = null;
if (AllowChannelBinding && challenge.TargetInfo != null)
{
// Only bother with attempting to channel-bind if the CHALLENGE_MESSAGE's TargetInfo is not NULL.
// Not sure which channel-binding types are supported by NTLM, but I am told that supposedly the
// System.Net.Mail.SmtpClient uses tls-unique, so we'll go with that...
negotiatedChannelBinding = TryGetChannelBindingToken(ChannelBindingKind.Endpoint, out channelBindingToken);
}
authenticate.ComputeNtlmV2(ServicePrincipalName, IsUnverifiedServicePrincipalName, channelBindingToken);
if (channelBindingToken != null)
{
Array.Clear(channelBindingToken, 0, channelBindingToken.Length);
}
negotiate = null;
return(authenticate);
}
// Example from http://www.innovation.ch/java/ntlm.html
public void TestDecodeJavaExample()
{
byte[] rawData = { 0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00, 0x72, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00, 0x8a, 0x00, 0x00, 0x00, 0x14, 0x00, 0x14, 0x00, 0x40, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x54, 0x00, 0x00, 0x00, 0x12, 0x00, 0x12, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa2, 0x00, 0x00, 0x00, 0x01, 0x82, 0x00, 0x00, 0x55, 0x00, 0x52, 0x00, 0x53, 0x00, 0x41, 0x00, 0x2d, 0x00, 0x4d, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x4f, 0x00, 0x52, 0x00, 0x5a, 0x00, 0x61, 0x00, 0x70, 0x00, 0x68, 0x00, 0x6f, 0x00, 0x64, 0x00, 0x4c, 0x00, 0x49, 0x00, 0x47, 0x00, 0x48, 0x00, 0x54, 0x00, 0x43, 0x00, 0x49, 0x00, 0x54, 0x00, 0x59, 0x00, 0xad, 0x87, 0xca, 0x6d, 0xef, 0xe3, 0x46, 0x85, 0xb9, 0xc4, 0x3c, 0x47, 0x7a, 0x8c, 0x42, 0xd6, 0x00, 0x66, 0x7d, 0x68, 0x92, 0xe7, 0xe8, 0x97, 0xe0, 0xe0, 0x0d, 0xe3, 0x10, 0x4a, 0x1b, 0xf2, 0x05, 0x3f, 0x07, 0xc7, 0xdd, 0xa8, 0x2d, 0x3c, 0x48, 0x9a, 0xe9, 0x89, 0xe1, 0xb0, 0x00, 0xd3 };
var NtlmAuthenticate = new NtlmAuthenticateMessage(rawData, 0, rawData.Length);
Assert.AreEqual(3, NtlmAuthenticate.Type, "Type");
Assert.AreEqual((NtlmFlags)0x8201, NtlmAuthenticate.Flags, "Flags");
Assert.AreEqual("URSA-MINOR", NtlmAuthenticate.Domain, "Domain");
Assert.AreEqual("LIGHTCITY", NtlmAuthenticate.Workstation, "Workstation");
Assert.AreEqual("Zaphod", NtlmAuthenticate.UserName, "UserName");
Assert.IsNull(NtlmAuthenticate.Password, "Password");
Assert.AreEqual("AD-87-CA-6D-EF-E3-46-85-B9-C4-3C-47-7A-8C-42-D6-00-66-7D-68-92-E7-E8-97", BitConverter.ToString(NtlmAuthenticate.LmChallengeResponse), "LmChallengeResponse");
Assert.AreEqual("E0-E0-0D-E3-10-4A-1B-F2-05-3F-07-C7-DD-A8-2D-3C-48-9A-E9-89-E1-B0-00-D3", BitConverter.ToString(NtlmAuthenticate.NtChallengeResponse), "NtChallengeResponse");
}
// Example from http://davenport.sourceforge.net/ntlm.html#NtlmAuthenticateMessageExample
public void TestDecodeDavenportExample()
{
byte[] rawData = { 0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x00, 0x03, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x18, 0x00, 0x18, 0x00, 0x82, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x40, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00, 0x4c, 0x00, 0x00, 0x00, 0x16, 0x00, 0x16, 0x00, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9a, 0x00, 0x00, 0x00, 0x01, 0x02, 0x00, 0x00, 0x44, 0x00, 0x4f, 0x00, 0x4d, 0x00, 0x41, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x75, 0x00, 0x73, 0x00, 0x65, 0x00, 0x72, 0x00, 0x57, 0x00, 0x4f, 0x00, 0x52, 0x00, 0x4b, 0x00, 0x53, 0x00, 0x54, 0x00, 0x41, 0x00, 0x54, 0x00, 0x49, 0x00, 0x4f, 0x00, 0x4e, 0x00, 0xc3, 0x37, 0xcd, 0x5c, 0xbd, 0x44, 0xfc, 0x97, 0x82, 0xa6, 0x67, 0xaf, 0x6d, 0x42, 0x7c, 0x6d, 0xe6, 0x7c, 0x20, 0xc2, 0xd3, 0xe7, 0x7c, 0x56, 0x25, 0xa9, 0x8c, 0x1c, 0x31, 0xe8, 0x18, 0x47, 0x46, 0x6b, 0x29, 0xb2, 0xdf, 0x46, 0x80, 0xf3, 0x99, 0x58, 0xfb, 0x8c, 0x21, 0x3a, 0x9c, 0xc6 };
NtlmAuthenticateMessage NtlmAuthenticate = new NtlmAuthenticateMessage(rawData, 0, rawData.Length);
Assert.AreEqual(3, NtlmAuthenticate.Type, "Type");
Assert.AreEqual((NtlmFlags)0x201, NtlmAuthenticate.Flags, "Flags");
Assert.AreEqual("DOMAIN", NtlmAuthenticate.Domain, "Domain");
Assert.AreEqual("WORKSTATION", NtlmAuthenticate.Workstation, "Workstation");
Assert.AreEqual("user", NtlmAuthenticate.UserName, "UserName");
Assert.IsNull(NtlmAuthenticate.Password, "Password");
Assert.AreEqual("C3-37-CD-5C-BD-44-FC-97-82-A6-67-AF-6D-42-7C-6D-E6-7C-20-C2-D3-E7-7C-56", BitConverter.ToString(NtlmAuthenticate.LmChallengeResponse), "LmChallengeResponse");
Assert.AreEqual("25-A9-8C-1C-31-E8-18-47-46-6B-29-B2-DF-46-80-F3-99-58-FB-8C-21-3A-9C-C6", BitConverter.ToString(NtlmAuthenticate.NtChallengeResponse), "NtChallengeResponse");
}
public void TestArgumentExceptions()
{
byte[] badMessageData = { 0x4e, 0x54, 0x4c, 0x4d, 0x53, 0x53, 0x50, 0x01, 0x00, 0x00, 0x00, 0x00 };
var NtlmNegotiate = new NtlmNegotiateMessage();
var NtlmChallenge = new NtlmChallengeMessage();
var NtlmAuthenticate = new NtlmAuthenticateMessage(NtlmNegotiate, NtlmChallenge, "username", "password", "domain", "workstation");
Assert.Throws <ArgumentNullException> (() => new NtlmAuthenticateMessage(null, NtlmChallenge, "username", "password", "domain", "workstation"));
Assert.Throws <ArgumentNullException> (() => new NtlmAuthenticateMessage(NtlmNegotiate, null, "username", "password", "domain", "workstation"));
Assert.Throws <ArgumentNullException> (() => new NtlmAuthenticateMessage(NtlmNegotiate, NtlmChallenge, null, "password", "domain", "workstation"));
Assert.Throws <ArgumentNullException> (() => new NtlmAuthenticateMessage(NtlmNegotiate, NtlmChallenge, "username", null, "domain", "workstation"));
Assert.Throws <ArgumentNullException> (() => new NtlmAuthenticateMessage(null, 0, 16));
Assert.Throws <ArgumentOutOfRangeException> (() => new NtlmAuthenticateMessage(new byte[8], 0, 8));
Assert.Throws <ArgumentOutOfRangeException> (() => new NtlmAuthenticateMessage(new byte[8], -1, 8));
Assert.Throws <ArgumentException> (() => new NtlmAuthenticateMessage(badMessageData, 0, badMessageData.Length));
Assert.DoesNotThrow(() => NtlmAuthenticate.ClientChallenge = null);
Assert.Throws <ArgumentException> (() => NtlmAuthenticate.ClientChallenge = new byte[9]);
}
