Пример #1
0
        public void findSelfIpAddress()
        {
            IPHostEntry Host = Dns.GetHostEntry(Dns.GetHostName());

            foreach (IPAddress IP in Host.AddressList)
            {
                string tmp = IP.ToString();
                if (tmp.Length >= 8 && tmp.Length <= 15)
                {
                    this._selfIpAddress = tmp;
                    break;
                }
            }
        }
        public override byte [] ProcessDataReceived(byte [] data, int length)
        {
            string crlf = "" + (char)0xd + "" + (char)0xa;

            if (World.AllowHttpFrom != "0.0.0.0" && World.AllowHttpFrom != IP.ToString())
            {
                Send403();
                return(null);
            }
            if (!World.onHttpDataReceived(this, data, length))
            {
                return(null);
            }
            try
            {
                string str = "";
                for (int t = 0; t < length; t++)
                {
                    str += "" + (char)data[t];
                }

                string [] strs = str.Split(new char[] { ' ' });
                if (strs[0] == "POST")
                {
                    if (strs[1] == "/account.htm")
                    {
                        int       iuser    = str.IndexOf("username="******"password="******"Username : {0}, Password : {1}", username, password );
                        if (username.Length > 12 || password.Length > 12)
                        {
                            return(null);
                        }
                        Account newAccount = new Account(username, password, AccessLevels.PlayerLevel);
                        Account myAccount  = World.allAccounts.FindByUserName(username.ToUpper());
                        if (myAccount == null)
                        {
                            World.allAccounts.Add(newAccount);
                            TextReader tx    = new StreamReader("./http/accountcreated.htm");
                            string     part2 = tx.ReadToEnd();
                            tx.Close();
                            string part1 = "HTTP/1.1 200 OK" + crlf +
                                           "Date: " + DateTime.Now.ToString("r") + crlf +
                                           "Server: Dr Nexus 0.1a" + crlf +
                                           "X-Powered-By: Dr Nexus" + crlf +
                                           "Cache-Control: private" + crlf +
                                                                        //	"Keep-Alive: timeout=15, max=98" +  crlf +
                                           "Connection: close" + crlf + //Keep-Alive" + crlf +
                                                                        //	"Transfer-Encoding: chunked" + crlf +
                                           "Content-Length: " + (part2.Length).ToString() + crlf +
                                           "Content-Type: text/html" + crlf + crlf;

                            string pageHtml = part1 + part2;
                            Send(pageHtml);
                            //Send( part2 );
                            return(null);
                        }
                        else
                        {
                            World.allAccounts.Add(newAccount);
                            TextReader tx    = new StreamReader("./http/accounterror.htm");
                            string     part2 = tx.ReadToEnd();
                            tx.Close();
                            string part1 = "HTTP/1.1 200 OK" + crlf +
                                           "Date: " + DateTime.Now.ToString("r") + crlf +
                                           "Server: Dr Nexus 0.1a" + crlf +
                                           "X-Powered-By: Dr Nexus" + crlf +
                                           "Cache-Control: private" + crlf +
                                                                        //	"Keep-Alive: timeout=15, max=98" +  crlf +
                                           "Connection: close" + crlf + //Keep-Alive" + crlf +
                                                                        //	"Transfer-Encoding: chunked" + crlf +
                                           "Content-Length: " + (part2.Length).ToString() + crlf +
                                           "Content-Type: text/html" + crlf + crlf;

                            string pageHtml = part1 + part2;
                            Send(pageHtml);
                            //Send( part2 );
                            return(null);
                        }
                    }
                }
                if (strs[0] == "GET")
                {
                    if (strs[1] == "/status.htm")
                    {
                        TextReader tx    = new StreamReader("./http/status.htm");
                        string     part2 = tx.ReadToEnd();
                        tx.Close();


                        string part3 = "";
                        string fonct = "";
                        for (int t = 0; t < part2.Length; t++)
                        {
                            if (part2[t] == '<' && state == 0)
                            {
                                state = 1;
                            }
                            else
                            if (part2[t] == '?' && state == 1)
                            {
                                state = 2;
                            }
                            else
                            if (part2[t] == '?' && state == 2)
                            {
                                state = 3;
                            }
                            else
                            if (part2[t] == '>' && state == 3)
                            {
                                state = 0;
                                fonct = "using System;using System.Collections;using Server.Items;using HelperTools; namespace Server { " + fonct + " }";
                                CSharpCodeProvider codeProvider = new CSharpCodeProvider();
                                ICodeCompiler      compiler     = codeProvider.CreateCompiler();
                                CompilerParameters parameters   = new CompilerParameters();

                                parameters.GenerateExecutable = false;
                                parameters.GenerateInMemory   = true;

                                parameters.MainClass = "";
                                foreach (Assembly asm in AppDomain.CurrentDomain.GetAssemblies())
                                {
                                    parameters.ReferencedAssemblies.Add(asm.Location);
                                }

                                parameters.IncludeDebugInformation = false;
                                //parameters.OutputAssembly = "./res.dll";

                                CompilerResults results = compiler.CompileAssemblyFromSource(parameters, fonct);

                                if (results.Errors.Count > 0)
                                {
                                    string errors = "Compilation failed:\n";
                                    foreach (CompilerError err in results.Errors)
                                    {
                                        errors += err.ToString() + "\n";
                                    }
                                    part3 += "<p>" + errors + "</p>";
                                }
                                else
                                {
                                    Assembly        asm = results.CompiledAssembly;
                                    ConstructorInfo ct  = Utility.FindConstructor("HttpHandler", asm);
                                    BaseHttpHandler h   = (BaseHttpHandler)ct.Invoke(null);
                                    part3 += h.Get();
                                }
                            }
                            else
                            if (state == 2)
                            {
                                fonct += part2[t];
                            }
                            else
                            {
                                if (state == 1)
                                {
                                    part3 += "<";
                                }
                                state  = 0;
                                part3 += part2[t];
                            }
                        }

                        string part1 = "HTTP/1.1 200 OK" + crlf +
                                       "Date: " + DateTime.Now.ToString("r") + crlf +
                                       "Server: Dr Nexus 0.1a" + crlf +
                                       "X-Powered-By: Dr Nexus" + crlf +
                                       "Cache-Control: private" + crlf +
                                       "Connection: close" + crlf +
                                       "Content-Length: " + (part3.Length).ToString() + crlf +
                                       "Content-Type: text/html" + crlf + crlf;
                        Send(part1 + part3);
                        //Send( part3 );
                        return(null);
                    }
                    else
                    if (strs[1] == "/account.htm")
                    {
                        TextReader tx    = new StreamReader("./http/account.htm");
                        string     part2 = tx.ReadToEnd();
                        tx.Close();
                        string part1 = "HTTP/1.1 200 OK" + crlf +
                                       "Date: " + DateTime.Now.ToString("r") + crlf +
                                       "Server: Dr Nexus 0.1a" + crlf +
                                       "X-Powered-By: Dr Nexus" + crlf +
                                       "Cache-Control: private" + crlf +
                                                                    //	"Keep-Alive: timeout=15, max=98" +  crlf +
                                       "Connection: close" + crlf + //Keep-Alive" + crlf +
                                                                    //	"Transfer-Encoding: chunked" + crlf +
                                       "Content-Length: " + (part2.Length).ToString() + crlf +
                                       "Content-Type: text/html" + crlf + crlf;

                        //	string pageHtml = part1 + part2;
                        Send(part1 + part2);
                        //Send( part2 );
                        return(null);
                    }
                    Send404();
                }
            }
            catch (Exception)
            {
            }
            Send403();
            return(null);
        }
Пример #3
0
        public override byte [] ProcessDataReceived(byte [] data, int length)
        {
            //	Console.WriteLine("Rec {0}", data[ 0 ] );
            //	HexViewer.View( data, 0, length );
            int t;

            switch (data[0])
            {
            case 0x00:                    //	Logon challenge
                /*foreach( Account acc in World.allAccounts )
                 *      if ( acc.Ip != null &&
                 *              ch.IP.Address == acc.Ip.Address &&
                 *              //ch.Port == acc.Port &&
                 *              (bool)tryLoggin[ ch.IP.Address.ToString() ] )
                 *      {
                 *              Console.WriteLine("wait!!!");
                 *              return new byte[] { 0, 3, 0xEE, 0x1, 0x19 };
                 *      }*/
                //	Console.WriteLine( "Logon challenge" );
                int  clientVersion = (((int)data[11]) * 256) + data[12];
                byte len           = data[33];
                userName = new byte[len];
                //Console.Write( "User : "******"";
                for (t = 0; t < len; t++)
                {
                    userName[t] = data[34 + t];
                    usern      += "" + (char)data[34 + t];
                    //	Console.Write( "{0}", "" + ((char)userName[ t ] ).ToString() );
                }
                //	Console.WriteLine( "" );

                myAccount = World.allAccounts.FindByUserName(usern);
                if (World.FreeForAll)
                {
                    if (myAccount == null)
                    {
                        World.allAccounts.Add(myAccount = new Account(usern, usern));
                    }
                }
                if (myAccount == null)
                {
                    return new byte[] { 0x1, 0x4 }
                }
                ;

                if (myAccount.SelectedChar != null)
                {
                    //	Console.WriteLine("Already loggin");
                    return(new byte[] { 1, 0x6 });
                    // Already logged in
                }

                SHA1 sha = new SHA1CryptoServiceProvider();

                string  pass  = "******" + myAccount.Password.ToUpper();
                char [] passc = pass.ToCharArray();
                byte [] passb = new byte[passc.Length];
                int     ti    = 0;
                foreach (char c in passc)
                {
                    passb[ti++] = (byte)c;
                }
                byte [] user = Concat(userName, passb);
                byte [] hash = sha.ComputeHash(user, 0, user.Length);
                byte [] res  = new Byte[hash.Length + salt.Length];
                t = 0;
                rand.NextBytes(salt);
                foreach (byte s in salt)
                {
                    res[t++] = s;
                }
                foreach (byte s in hash)
                {
                    res[t++] = s;
                }
                byte [] hash2 = sha.ComputeHash(res, 0, res.Length);
                byte [] x     = Reverse(hash2);

                rN = Reverse(N);
                rand.NextBytes(b);
                rb = Reverse(b);


                BigInteger bi  = new BigInteger(x);
                BigInteger bi2 = new BigInteger(rN);
                BigInteger g   = new BigInteger(new byte[] { 7 });
                v = g.modPow(bi, bi2);

                K = new BigInteger(new Byte[] { 3 });
                BigInteger temp1 = K * v;
                BigInteger temp2 = g.modPow(new BigInteger(rb), new BigInteger(rN));
                BigInteger temp3 = temp1 + temp2;
                B = temp3 % new BigInteger(rN);

                /*	byte []ezfd= B.getBytes();
                 *      Console.WriteLine("B");
                 *      HexViewer.View( ezfd, 0, ezfd.Length );
                 *      BigInteger C = new BigInteger();
                 *
                 *      Console.WriteLine("C/Rn {0}", temp3/new BigInteger( rN ) );*/
                //Console.WriteLine("temp1 {0}",temp1.ToHexString());
                //Console.WriteLine("temp2 {0}",temp2.ToHexString());
                //Console.WriteLine("temp3 {0}",temp3.ToHexString());

                /*		for(int ll = 0;ll < 6;ll++)
                 *              {
                 *                      C = B;
                 *                      C += new BigInteger( rN ) * ll;
                 *                      C -= temp1;
                 *                      Console.WriteLine("temp3 {0}",C.ToHexString());
                 *              }*/

                byte [] pack = new byte[118];
                pack[0] = pack[1] = 0;
                byte [] tB = Reverse(B.getBytes());
                for (t = 0; t < tB.Length; t++)
                {
                    pack[3 + t] = tB[t];
                }
                pack[35] = 1;                          // g_length
                pack[36] = 7;                          // g
                pack[37] = 32;                         // n_len
                for (t = 0; t < N.Length; t++)
                {
                    pack[38 + t] = N[t];
                }
                for (t = 0; t < salt.Length; t++)
                {
                    pack[70 + t] = salt[t];
                }
                for (t = 0; t < 16; t++)
                {
                    pack[102 + t] = 0;
                }

                return(pack);

            case 0x01:                    //	Logon proof
            {
                //Console.WriteLine("Logon proof" );
                byte [] A = new byte[32];
                for (t = 0; t < 32; t++)
                {
                    A[t] = data[t + 1];
                }
                byte [] kM1 = new byte[20];
                for (t = 0; t < 20; t++)
                {
                    kM1[t] = data[t + 1 + 32];
                }

                //A = new byte[] { 0x23, 0x2f, 0xb1, 0xb8, 0x85, 0x29, 0x64, 0x3d, 0x95, 0xb8, 0xdc, 0xe7, 0x8f, 0x27, 0x50, 0xc7, 0x5b, 0x2d, 0xf3, 0x7a, 0xcb, 0xa8, 0x73, 0xeb, 0x31, 0x07, 0x38, 0x39, 0xed, 0xa0, 0x73, 0x8d };
                byte [] rA = Reverse(A);
                //	B = new BigInteger( new byte[] { 0x64, 0x5d, 0x1f, 0x78, 0x97, 0x30, 0x73, 0x70, 0x1e, 0x12, 0xbc, 0x98, 0xaa, 0x38, 0xea, 0x99, 0xb4, 0xbc, 0x43, 0x5c, 0x32, 0xe8, 0x44, 0x7c, 0x73, 0xab, 0x07, 0x7a, 0xe4, 0xd7, 0x59, 0x64 } );
                byte [] AB = Concat(A, Reverse(B.getBytes()));

                SHA1    shaM1 = new SHA1CryptoServiceProvider();
                byte [] U     = shaM1.ComputeHash(AB);
                //	U = new byte[] { 0x2f, 0x49, 0x69, 0xac, 0x9f, 0x38, 0x7f, 0xd6, 0x72, 0x23, 0x6f, 0x94, 0x91, 0xa5, 0x16, 0x77, 0x7c, 0xdd, 0xe1, 0xc1 };
                byte [] rU = Reverse(U);

                temp1 = v.modPow(new BigInteger(rU), new BigInteger(rN));
                temp2 = temp1 * new BigInteger(rA);
                temp3 = temp2.modPow(new BigInteger(rb), new BigInteger(rN));

                byte [] S1   = new byte[16];
                byte [] S2   = new byte[16];
                byte [] S    = new byte[32];
                byte [] temp = temp3.getBytes();

                /*	Console.WriteLine("temp");
                 *      HexViewer.View( temp, 0, temp.Length );
                 *      Console.WriteLine("temp1 {0}", temp1.ToHexString());
                 *      Console.WriteLine("temp2 {0}", temp2.ToHexString());
                 *      Console.WriteLine("temp3 {0}", temp3.ToHexString());*/
                Buffer.BlockCopy(temp, 0, S, 0, temp.Length);
                byte [] rS = Reverse(S);


                for (t = 0; t < 16; t++)
                {
                    S1[t] = rS[t * 2];
                    S2[t] = rS[(t * 2) + 1];
                }
                byte [] hashS1 = shaM1.ComputeHash(S1);
                byte [] hashS2 = shaM1.ComputeHash(S2);
                myAccount.SS_Hash = new byte[hashS1.Length + hashS2.Length];
                for (t = 0; t < hashS1.Length; t++)
                {
                    myAccount.SS_Hash[t * 2]       = hashS1[t];
                    myAccount.SS_Hash[(t * 2) + 1] = hashS2[t];
                }

                //	SS_Hash = new byte[] { 0x02, 0x61, 0xf4, 0xeb, 0x48, 0x91, 0xb6, 0x6a, 0x1a, 0x82, 0x6e, 0xb7, 0x79, 0x28, 0xd8, 0x64, 0xb7, 0xea, 0x14, 0x54, 0x38, 0xdb, 0x7c, 0xfd, 0x0d, 0x3d, 0x2f, 0xc0, 0x22, 0xce, 0xcc, 0x46, 0x83, 0x79, 0xf2, 0xc0, 0x87, 0x78, 0x7f, 0x14 };

                byte [] NHash    = shaM1.ComputeHash(N);
                byte [] GHash    = shaM1.ComputeHash(new byte[] { 7 });
                byte [] userHash = shaM1.ComputeHash(userName);
                byte [] NG_Hash  = new byte[20];
                for (t = 0; t < 20; t++)
                {
                    NG_Hash[t] = (byte)(NHash[t] ^ GHash[t]);
                }
                byte [] Temp = Concat(NG_Hash, userHash);
                Temp = Concat(Temp, salt);
                Temp = Concat(Temp, A);
                Temp = Concat(Temp, B.getBytes());
                Temp = Concat(Temp, K.getBytes());                          //SS_Hash );

                byte [] M1 = shaM1.ComputeHash(Temp);

                Temp = Concat(A, kM1);
                Temp = Concat(Temp, myAccount.SS_Hash);

                byte [] M2 = shaM1.ComputeHash(Temp);

                byte [] retur = new byte[M2.Length + 4 /*NG_Hash.Length */ + 2];
                //	byte []retur = new byte[ M2.Length + NG_Hash.Length + 2 ];
                retur[0] = 0x1;
                retur[1] = 0x0;
                for (t = 0; t < M2.Length; t++)
                {
                    retur[t + 2] = M2[t];
                }

                //for(t = 0;t < NG_Hash.Length;t++ )
                //	retur[ t + 2 + 20 ] = NG_Hash[ t ];

                //	set the account properties
                Console.WriteLine("Logon proof for {0},{1}", IP.ToString(), myAccount.Username);
                myAccount.Ip   = this.IP;
                myAccount.Port = 0;
                myAccount.K    = myAccount.SS_Hash;

                return(retur);
            }

            case 0x02:                    //	Reconnect challenge
            {
                //	Console.WriteLine( "Reconnect challenge" );
                byte [] packRecoChallenge = new byte[34];
                packRecoChallenge[0] = 0x02;
                packRecoChallenge[1] = 0x00;
                for (t = 0; t < 16; t++)
                {
                    packRecoChallenge[18 + t] = 0;
                }
                return(packRecoChallenge);
            }

            case 0x03:                    //	Reconnect proof
                //	Console.WriteLine( "Reconnect proof" );
                return(new byte[] { 0x03, 0x00 });

            case 0x04:                    //	Update server
                //	Console.WriteLine( "Update server" );
                break;

            case 0x10:                    //	Realm List
                //	Console.WriteLine( "Realm lList request" );
                string ip = World.ServerIP;

                /*	if ( base.theClientHandler.IP.ToString().StartsWith( "192.168.0" ) )
                 *      {
                 *              ip = "192.168.0.2";
                 *      }
                 *      else*/
                if (IP.ToString() == "127.0.0.1")
                {
                    ip = "127.0.0.1";
                }
                byte [] retData = new byte[25 + ip.Length + World.ServerName.Length + World.ServerPort.ToString().Length];

                /*
                 * byte []retData = new byte[ ]{   0x10, 45,
                 *                                                0x00, 0x00, 0x00, 0x00,
                 *                                                0x00,
                 *                                                0x01, 0x00, 0x00, 0x00,
                 *                                                0x00, 0x00,
                 *                                                (byte)'D', (byte)'r', (byte)' ', (byte)'N', (byte)'e',
                 *                                                (byte)'x', (byte)'u', (byte)'s',
                 *                                                0x00, (byte)'1', (byte)'9', (byte)'2', (byte)'.',
                 *                                                (byte)'1', (byte)'6', (byte)'8', (byte)'.',
                 *                                                (byte)'0', (byte)'.',
                 *                                                (byte)'2',
                 *                                                0x3a, 0x38, 0x30, 0x38, 0x35,
                 *                                                0x00, 0x00, 0x00, 0x00,
                 *                                                0x00, 0x00,
                 *                                                0x01, 0x00,
                 *                                                0x02, 0x00 };*/
                int offset = 0;
                Converter.ToBytes((byte)0x10, retData, ref offset);
                Converter.ToBytes((byte)43, retData, ref offset);
                Converter.ToBytes(1 /*World.allConnectedChars.Count*/, retData, ref offset);
                Converter.ToBytes((byte)0, retData, ref offset);
                Converter.ToBytes(1, retData, ref offset);
                Converter.ToBytes((short)0, retData, ref offset);
                Converter.ToBytes(World.ServerName, retData, ref offset);
                Converter.ToBytes((byte)0, retData, ref offset);
                Converter.ToBytes(ip, retData, ref offset);
                Converter.ToBytes((byte)':', retData, ref offset);
                Converter.ToBytes(World.ServerPort.ToString(), retData, ref offset);
                Converter.ToBytes((byte)0, retData, ref offset);
                Converter.ToBytes(0, retData, ref offset);
                //	Converter.ToBytes( (short)0, retData, ref offset );//	cr erreir
                //Converter.ToBytes( (short)1, retData, ref offset );
                //Converter.ToBytes( (short)2, retData, ref offset );

                Converter.ToBytes((short)World.allConnectedChars.Count, retData, ref offset);
                Converter.ToBytes((byte)0, retData, ref offset);
                Converter.ToBytes((short)1, retData, ref offset);
                int atlen = 1;
                offset -= 3;
                Converter.ToBytes(offset, retData, ref atlen);
                Console.WriteLine("Connected player(s) {0}", World.allConnectedChars.Count);
                /*	if ( World.allConnectedChars.Count < 3 )*/
                //Thread.Sleep( 500 );
                return(retData);

            default:
                Console.WriteLine("Receive unknown command {0}", data[0]);
                break;
            }
            byte [] ret = { 0, 0, 0, 0 };
            return(ret);
        }