public void HandleAuthSession(ref IPacketReader packet, ref IWorldManager manager)
{
Common.Cryptography.Authenticator.ClientBuild = packet.ReadUInt16();
packet.Position = 14;
string login = packet.ReadString();
string username = login.Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries)[0];
Account account = new Account(username.ToUpper());
account.Load <Character>();
manager.Account = account;
PacketWriter writer = new PacketWriter(Sandbox.Instance.Opcodes[global::Opcodes.SMSG_AUTH_RESPONSE], "SMSG_AUTH_RESPONSE");
writer.WriteUInt8(0x0C); // AUTH_OK
manager.Send(writer);
}
public void HandleMovementStatus(ref IPacketReader packet, ref IWorldManager manager)
{
if (manager.Account.ActiveCharacter.IsTeleporting)
{
return;
}
uint opcode = packet.Opcode;
long pos = packet.Position;
var character = manager.Account.ActiveCharacter;
ulong Flags = packet.ReadUInt64();
packet.ReadUInt16();
character.Location.Update(packet, true);
//packet.Position = pos;
//PacketWriter writer = new PacketWriter(opcode, Sandbox.Instance.Opcodes[opcode].ToString());
//writer.Write(packet.ReadToEnd());
//manager.Send(writer);
}
public static byte[] LogonChallenge(IPacketReader packet)
{
packet.Position = 11;
ClientBuild = packet.ReadUInt16();
packet.Position = 33; // Skip to username
BUsername = packet.ReadBytes(packet.ReadByte()); // Read username
string username = Encoding.ASCII.GetString(BUsername);
byte[] x;
using (SHA1 sha = new SHA1CryptoServiceProvider())
{
byte[] user = Encoding.ASCII.GetBytes(username.ToUpper() + ":" + Password.ToUpper());
byte[] res = Salt.Concat(sha.ComputeHash(user, 0, user.Length)).ToArray();
x = sha.ComputeHash(res, 0, res.Length).Reverse().ToArray();
}
byte[] b = new byte[20];
new Random().NextBytes(b);
RB = b.Reverse().ToArray();
G = new BigInteger(new byte[] { 7 });
V = G.ModPow(new BigInteger(x), new BigInteger(RN));
K = new BigInteger(new byte[] { 3 });
BigInteger temp = (K * V) + G.ModPow(new BigInteger(RB), new BigInteger(RN));
B = temp % new BigInteger(RN);
int size = ClientBuild < 5428 ? 118 : 119;
byte[] result = new byte[size];
Array.Copy(B.GetBytes(32).Reverse().ToArray(), 0, result, 3, 32);
result[35] = 1;
result[36] = 7;
result[37] = 32;
Array.Copy(N, 0, result, 38, N.Length);
Array.Copy(Salt, 0, result, 70, Salt.Length);
return(result);
}
public static byte[] LogonChallenge(IPacketReader packet)
{
packet.Position = 11;
uint build = packet.ReadUInt16();
packet.Position = 33; //Skip to username
BUsername = packet.ReadBytes(packet.ReadByte()); //Read username
string username = Encoding.ASCII.GetString(BUsername);
byte[] x;
using (SHA1 sha = new SHA1CryptoServiceProvider())
{
byte[] user = Encoding.ASCII.GetBytes(username.ToUpper() + ":" + Password.ToUpper());
byte[] res = Salt.Concat(sha.ComputeHash(user, 0, user.Length)).ToArray();
x = sha.ComputeHash(res, 0, res.Length).Reverse().ToArray();
}
byte[] b = new byte[20];
new Random().NextBytes(b);
RB = b.Reverse().ToArray();
G = new BigInteger(new byte[] { 7 });
V = G.ModPow(new BigInteger(x), new BigInteger(RN));
K = new BigInteger(new byte[] { 3 });
BigInteger temp = (K * V) + G.ModPow(new BigInteger(RB), new BigInteger(RN));
B = temp % new BigInteger(RN);
IEnumerable <byte> result = new byte[3]; //Opcode, 0, Success
result = result.Concat(B.GetBytes(32).Reverse());
result = result.Concat(new byte[] { 1, 7, 32 }); //1, G, 32
result = result.Concat(N);
result = result.Concat(Salt);
result = result.Concat(new byte[(build < 5875 ? 16 : 17)]); //unknown, Security Flag (version?)
return(result.ToArray());
}
public static byte[] LogonChallenge(IPacketReader packet)
{
packet.Position = 11;
ClientBuild = packet.ReadUInt16();
packet.Position = 33; // Skip to username
BUsername = packet.ReadBytes(packet.ReadByte()); // Read username
byte[] credshash;
using (SHA1 sha = new SHA1CryptoServiceProvider())
{
string username = Encoding.ASCII.GetString(BUsername);
byte[] credentials = Encoding.ASCII.GetBytes(username.ToUpper() + ":" + Password.ToUpper());
byte[] tmp = Salt.Concat(sha.ComputeHash(credentials)).ToArray();
credshash = sha.ComputeHash(tmp).Reverse().ToArray();
}
RB = new byte[20];
new Random().NextBytes(RB);
G = new BigInteger(new byte[] { 7 });
V = G.ModPow(new BigInteger(credshash), new BigInteger(RN));
K = new BigInteger(new byte[] { 3 });
B = ((K * V) + G.ModPow(new BigInteger(RB), new BigInteger(RN))) % new BigInteger(RN);
// create packet data
byte[] result = new byte[GetLogonChallengeSize()];
Array.Copy(B.GetBytes(32).Reverse().ToArray(), 0, result, 3, 32);
result[35] = 1;
result[36] = 7;
result[37] = 32;
Array.Copy(N, 0, result, 38, N.Length);
Array.Copy(Salt, 0, result, 70, Salt.Length);
return(result);
}
