public NtlmChallengeMessage(ChallengeMessageStruct message, string targetName,
params NtlmTargetInfo[] targetInfos)
{
Message = message;
TargetName = targetName;
if (targetInfos != null)
{
TargetInfoList = new NtlmTargetInfoList(targetInfos);
}
Rectify();
}
private static void SendChallengeMessage(HttpContext context, NtlmNegotiateMessage negotiateMessage,
Action <string> log)
{
if (negotiateMessage == null)
{
throw new ArgumentNullException(nameof(negotiateMessage));
}
if (log != null)
{
log($"Message 1 Flags: {negotiateMessage.Flags}");
log($"Message 1 Domain: {negotiateMessage.Domain}");
log($"Message 1 Host: {negotiateMessage.Host}");
}
var messageStruct = new ChallengeMessageStruct
{
Signature = Constants.NtlmsspBytes,
Type = MessageType.Challenge,
Flags = SupportedMessageFlag & negotiateMessage.Flags,
Challenge = Challenge,
Context = ZeroBytes
};
var message2 = new NtlmChallengeMessage(messageStruct, "DOMAIN");
message2.TargetInfoList.Add(new NtlmTargetInfo(TargetInfoType.DomainName, "DOMAIN", Encoding.Unicode));
message2.TargetInfoList.Add(new NtlmTargetInfo(TargetInfoType.ServerName, "SERVER", Encoding.Unicode));
message2.TargetInfoList.Add(new NtlmTargetInfo(TargetInfoType.DnsDomainName, "domain.com", Encoding.Unicode));
message2.TargetInfoList.Add(new NtlmTargetInfo(TargetInfoType.FQDN, "server.domain.com", Encoding.Unicode));
message2.TargetInfoList.Add(new NtlmTargetInfo(TargetInfoType.Terminator));
message2.Rectify();
if (log != null)
{
log($"Message 2 Flags: {message2.Flags}");
log($"Message 2 TargetName: {message2.TargetName}");
}
SendUnauthorized(context, message2.ToBytes());
}
public virtual void Fill(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (data.Length == 0)
{
throw new ArgumentException($"{nameof(data)} array is empty.");
}
Message = data.ToStruct <ChallengeMessageStruct>();
if (Message.TargetNameLength > 0)
{
var targetNameBytes = data.NewCopy(Message.TargetNameOffset, Message.TargetNameLength);
TargetName = GetEncoding().GetString(targetNameBytes);
}
if (Message.TargetNameLength > 0)
{
var targetInfosBytes = data.NewCopy(Message.TargetInfosOffset, Message.TargetInfosLength);
TargetInfoList = NtlmTargetInfoList.Parse(targetInfosBytes, GetEncoding());
}
}