/// <summary>
///
/// </summary>
/// <param name="client"></param>
/// <param name="packet"></param>
/// <param name="messageNumber"></param>
public void Parse(Client client, ref byte[] packet, uint messageNumber)
{
#region Setup...
MemoryStream m_stream = new MemoryStream(packet);
BinaryReader m_reader = new BinaryReader(m_stream);
string encryptedPassword;
int encPasswordLength;
LoginWrong nb = new LoginWrong();
CheckLogin cbl = new CheckLogin();
CharacterName char_name = new CharacterName();
#endregion
switch (messageNumber)
{
case 0x22:
SaltAuthentication salt = new SaltAuthentication();
// Username and version info
m_stream.Position = 24;
client.accountName = Encoding.ASCII.GetString(m_reader.ReadBytes(40)).TrimEnd(char.MinValue);
client.clientVersion = Encoding.ASCII.GetString(m_reader.ReadBytes(20)).TrimEnd(char.MinValue);
m_reader.Close();
m_stream.Dispose();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Client '" + client.accountName + "' connected using version '" + client.clientVersion + "'");
Console.ResetColor();
// Send Authentication Salt to client
salt.SendPacket(client, out client.serverSalt);
break;
case 0x25:
// Username and encrypted password
m_stream.Position = 20;
string loginAccountName = Encoding.ASCII.GetString(m_reader.ReadBytes(40)).TrimEnd(char.MinValue);
encPasswordLength = IPAddress.NetworkToHostOrder(m_reader.ReadInt32()) - 1; // Login Key is Null Terminated. We do not need this Null Terminator.
encryptedPassword = Encoding.ASCII.GetString(m_reader.ReadBytes(encPasswordLength));
m_reader.Close();
m_stream.Dispose();
if (cbl.IsLoginAllowed(client, loginAccountName) == false)
{
/*
* Account name not found or client banned/otherwise not permitted on the server
* Note, this is done here not in the above packet (0x22), even though we have
* the username or the client will complain. Also a security measure as you can
* not tell if an account name is correct or not, only if both the username and
* password are correct.
*
* We also double check that the Account Name is the same as origionally sent
* or there could be a possibility to log in with someone elses account.
*
*/
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Client '" + client.accountName + "' banned, not a valid username, or sent a malformed Authentication Packet");
Console.ResetColor();
client.Send(ref nb.wrongbyte);
client.Server.DisconnectClient(client);
break;
}
if (cbl.IsLoginCorrect(client, encryptedPassword) == false)
{
// Username/Password Incorrect
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Client '" + client.accountName + "' failed Authentication.");
Console.ResetColor();
client.Send(ref nb.wrongbyte);
client.Server.DisconnectClient(client);
break;
}
else
{
// All's well, send CharacterList Packet
CharacterListPacket charlist = new CharacterListPacket();
charlist.SendPacket(client, client.accountName);
}
break;
case 0x16:
// Player selected a character and client sends us selected characters ID
m_stream.Position = 20;
int selectedCharID = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
m_reader.Close();
m_stream.Dispose();
if (cbl.IsCharacterOnAccount(client, selectedCharID) == false)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Client '" + client.accountName + "' tried to log in as CharID " + selectedCharID + " but it is not on their account!");
Console.ResetColor();
// NV: Is this really what we want to send? Should find out sometime...
client.Send(ref nb.wrongbyte);
client.Server.DisconnectClient(client);
break;
}
if (OnlineChars.IsOnline(selectedCharID) == true)
{
Console.WriteLine("Client '" + client.accountName + "' is trying to login, but the requested character is already logged in.");
client.Send(ref nb.wrongbyte);
client.Server.DisconnectClient(client);
break;
}
OnlineChars.SetOnline(selectedCharID);
IPAddress tempIP;
if (IPAddress.TryParse(ConfigReadWrite.Instance.CurrentConfig.ZoneIP, out tempIP) == false)
{
IPHostEntry zoneHost = Dns.GetHostEntry(ConfigReadWrite.Instance.CurrentConfig.ZoneIP);
foreach (IPAddress ip in zoneHost.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
tempIP = ip;
break;
}
}
}
byte[] ZoneIP = tempIP.GetAddressBytes();
byte[] ZonePort = BitConverter.GetBytes(Convert.ToInt32(ConfigReadWrite.Instance.CurrentConfig.ZonePort));
Byte[] pkt = new byte[]
{
0xDF, 0xDF,
0x00, 0x01,
0x00, 0x01,
0x00, 0x26,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x61, 0x5B, // Server ID
0x00, 0x00, 0x00, 0x17,
packet[20], packet[21], packet[22], packet[23], // character ID
ZoneIP[0], ZoneIP[1], ZoneIP[2], ZoneIP[3],
ZonePort[1], ZonePort[0],
0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
client.Send(ref pkt);
break;
case 0x55:
/* player ask for 'suggest name'; server sends 'random' name. */
m_stream.Position = 28;
char_name.GetRandomName(client, IPAddress.NetworkToHostOrder(m_reader.ReadInt32()));
break;
case 0xf:
/* client created new character */
Int32 character_id;
bool start_in_sl = false;
char_name.m_accountName = client.accountName;
/* start reading packet */
m_stream.Position = 65;
/* name length */
int m_name_len = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* name (as byte array) */
char_name.m_name = Encoding.ASCII.GetString(m_reader.ReadBytes(m_name_len));
/* breed */
char_name.m_breed = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* gender */
char_name.m_gender = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* profession */
char_name.m_profession = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* level (should always be 0 )*/
char_name.m_level = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* lets skip some stuff */
int skip_len = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
m_stream.Position += (skip_len + 8);
/* head mesh */
char_name.m_headmesh = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* monster scale */
char_name.m_monsterscale = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* fatness */
char_name.m_fatness = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
/* start in SL? */
int sl = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
if (sl == 1)
{
start_in_sl = true;
}
/* close reader and stream */
m_reader.Close();
m_stream.Dispose();
/* now you got the data..
* do whatever you have to do with it
* but please.. in some other class :)
*/
/* check name against database
*
* if name exist, return 0.
* if name doesnt exist, creates default char setup and returns character_id
*
*/
character_id = char_name.CheckAgainstDB();
if (character_id < 1)
{
char_name.SendNameInUse(client);
}
else
{
char_name.SendNameToStartPF(client, start_in_sl, character_id);
}
/* reply will work only if character creation
* works, so its disabled for now and should be
* handled in other class in /Packets/<class name>
*/
break;
case 0x14:
/* client deletes char */
Int32 uid;
/* start reading packet */
m_stream.Position = 20;
uid = IPAddress.NetworkToHostOrder(m_reader.ReadInt32());
char_name.DeleteChar(client, uid);
break;
default:
client.Server.Warning(client, "Client sent unknown message {0}", messageNumber.ToString());
break;
}
}
/// <summary>
///
/// </summary>
/// <param name="client"></param>
/// <param name="packet"></param>
/// <param name="messageNumber"></param>
public void Parse(Client client, byte[] packet, uint messageNumber)
{
#region Setup...
PacketReader packetReader = new PacketReader(packet);
string encryptedPassword;
int encPasswordLength;
byte[] wrongLogin = LoginWrong.GetPacket();
CheckLogin cbl = new CheckLogin();
CharacterName characterName = new CharacterName();
#endregion
switch (messageNumber)
{
case 0x22:
SaltAuthentication salt = new SaltAuthentication();
// Username and version info
packetReader.ReadBytes(24);
client.AccountName = Encoding.ASCII.GetString(packetReader.ReadBytes(40)).TrimEnd(char.MinValue);
client.ClientVersion = Encoding.ASCII.GetString(packetReader.ReadBytes(20)).TrimEnd(char.MinValue);
packetReader.Finish();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(
"Client '" + client.AccountName + "' connected using version '" + client.ClientVersion + "'");
Console.ResetColor();
// Send Authentication Salt to client
client.ServerSalt = salt.SendPacket(client);
break;
case 0x25:
// Username and encrypted password
// m_stream.Position = 20;
packetReader.ReadBytes(20);
string loginAccountName = packetReader.PopString(40).TrimEnd(char.MinValue);
encPasswordLength = packetReader.PopInt();
encryptedPassword = packetReader.PopString(encPasswordLength).TrimEnd(char.MinValue);
packetReader.Finish();
if (cbl.IsLoginAllowed(client, loginAccountName) == false)
{
/*
* Account name not found or client banned/otherwise not permitted on the server
* Note, this is done here not in the above packet (0x22), even though we have
* the username or the client will complain. Also a security measure as you can
* not tell if an account name is correct or not, only if both the username and
* password are correct.
*
* We also double check that the Account Name is the same as origionally sent
* or there could be a possibility to log in with someone elses account.
*
*/
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(
"Client '" + client.AccountName
+ "' banned, not a valid username, or sent a malformed Authentication Packet");
Console.ResetColor();
client.Send(wrongLogin);
client.Server.DisconnectClient(client);
break;
}
if (cbl.IsLoginCorrect(client, encryptedPassword) == false)
{
// Username/Password Incorrect
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Client '" + client.AccountName + "' failed Authentication.");
Console.ResetColor();
client.Send(wrongLogin);
client.Server.DisconnectClient(client);
break;
}
else
{
// All's well, send CharacterList Packet
CharacterListPacket charlist = new CharacterListPacket();
charlist.SendPacket(client, client.AccountName);
}
break;
case 0x16:
// Player selected a character and client sends us selected characters ID
packetReader.ReadBytes(20);
int selectedCharID = packetReader.PopInt();
packetReader.Finish();
if (cbl.IsCharacterOnAccount(client, selectedCharID) == false)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(
"Client '" + client.AccountName + "' tried to log in as CharID " + selectedCharID
+ " but it is not on their account!");
Console.ResetColor();
// NV: Is this really what we want to send? Should find out sometime...
client.Send(wrongLogin);
client.Server.DisconnectClient(client);
break;
}
if (OnlineChars.IsOnline(selectedCharID))
{
Console.WriteLine(
"Client '" + client.AccountName
+ "' is trying to login, but the requested character is already logged in.");
client.Send(wrongLogin);
client.Server.DisconnectClient(client);
break;
}
OnlineChars.SetOnline(selectedCharID);
IPAddress tempIP;
if (IPAddress.TryParse(ConfigReadWrite.Instance.CurrentConfig.ZoneIP, out tempIP) == false)
{
IPHostEntry zoneHost = Dns.GetHostEntry(ConfigReadWrite.Instance.CurrentConfig.ZoneIP);
foreach (IPAddress ip in zoneHost.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
tempIP = ip;
break;
}
}
}
byte[] ZoneIP = tempIP.GetAddressBytes();
byte[] ZonePort =
BitConverter.GetBytes(Convert.ToInt32(ConfigReadWrite.Instance.CurrentConfig.ZonePort));
PacketWriter writer = new PacketWriter();
writer.PushByte(0xDF);
writer.PushByte(0xDF);
writer.PushShort(1); // Packet type
writer.PushShort(1);
writer.PushShort(0); // Packet length (will be set in packet writer)
writer.PushInt(1);
writer.PushInt(0x615B); // Server ID
writer.PushInt(23); // Packet ID
writer.PushInt(selectedCharID);
writer.PushBytes(ZoneIP);
writer.PushByte(ZonePort[1]);
writer.PushByte(ZonePort[0]);
writer.PushShort(0);
writer.PushInt(0);
writer.PushInt(0);
Byte[] pkt = writer.Finish();
client.Send(pkt);
break;
case 0x55:
/* player ask for 'suggest name'; server sends 'random' name. */
characterName.GetRandomName(client, packetReader.PopInt());
packetReader.Finish();
break;
case 0xf:
/* client created new character */
Int32 characterId;
bool startInShadowLands = false;
characterName.AccountName = client.AccountName;
/* start reading packet */
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// As of 18.5.1 heading for this packet is 69 bytes (65 bytes for lower versions)
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
packetReader.ReadBytes(69);
/* name length */
int nameLen = packetReader.PopInt();
/* name */
characterName.Name = packetReader.PopString(nameLen);
/* breed */
characterName.Breed = packetReader.PopInt();
/* gender */
characterName.Gender = packetReader.PopInt();
/* profession */
characterName.Profession = packetReader.PopInt();
/* level (should always be 0 )*/
characterName.Level = packetReader.PopInt();
/* lets skip some stuff */
int skipLen = packetReader.PopInt();
packetReader.ReadBytes(skipLen + 8);
/* head mesh */
characterName.HeadMesh = packetReader.PopInt();
/* monster scale */
characterName.MonsterScale = packetReader.PopInt();
/* fatness */
characterName.Fatness = packetReader.PopInt();
/* start in SL? */
int sl = packetReader.PopInt();
if (sl == 1)
{
startInShadowLands = true;
}
/* close reader and stream */
packetReader.Finish();
/* now you got the data..
* do whatever you have to do with it
* but please.. in some other class :)
*/
/* check name against database
*
* if name exist, return 0.
* if name doesnt exist, creates default char setup and returns character_id
*
*/
characterId = characterName.CheckAgainstDatabase();
if (characterId < 1)
{
characterName.SendNameInUse(client);
}
else
{
characterName.SendNameToStartPlayfield(client, startInShadowLands, characterId);
}
/* reply will work only if character creation
* works, so its disabled for now and should be
* handled in other class in /Packets/<class name>
*/
break;
case 0x14:
/* client deletes char */
Int32 uid;
/* start reading packet */
packetReader.ReadBytes(20);
uid = packetReader.PopInt();
characterName.DeleteChar(client, uid);
packetReader.Finish();
break;
default:
packetReader.Finish();
client.Server.Warning(client, "Client sent unknown message {0}", messageNumber.ToString());
break;
}
}