public static void VersionInfo(LoginClient pClient, Packet pPacket)
{
ushort year;
ushort version;
if (!pPacket.TryReadUShort(out year) ||
!pPacket.TryReadUShort(out version))
{
Log.WriteLine(LogLevel.Warn, "Invalid client version.");
pClient.Disconnect();
return;
}
Log.WriteLine(LogLevel.Debug, "Client version {0}:{1}.", year, version);
using (Packet response = new Packet(SH3Type.VersionAllowed))
{
response.WriteShort(1);
pClient.SendPacket(response);
}
}
public static void Login(LoginClient pClient, Packet pPacket)
{
string hash;
string username;
if (!pPacket.TryReadString(out username, 18) || !pPacket.TryReadString(out hash, 16))
{
Log.WriteLine(LogLevel.Warn, "Could not read user token.");
SendFailedLogin(pClient, ServerError.EXCEPTION);
return;
}
User user;
if (Program.Entity.Users.Count() > 0 && Program.Entity.Users.Count(u => u.Username == username) == 1)
{
user = Program.Entity.Users.First(u => u.Username == username);
if (user.Password.ToLower() == hash.ToLower())
{
Log.WriteLine(LogLevel.Debug, "{0} tries to login.", username);
if (ClientManager.Instance.IsLoggedIn(user.Username))
{
Log.WriteLine(LogLevel.Warn, "{0} is trying dual login. Disconnecting.", user.Username);
pClient.Disconnect();
}
else if (user.Banned)
{
SendFailedLogin(pClient, ServerError.BLOCKED);
}
else
{
pClient.IsAuthenticated = true;
pClient.Username = user.Username;
pClient.AccountID = user.ID;
pClient.Admin = user.Admin;
AllowFiles(pClient, true);
WorldList(pClient, false);
}
}
else SendFailedLogin(pClient, ServerError.INVALID_CREDENTIALS);
}
else SendFailedLogin(pClient, ServerError.INVALID_CREDENTIALS);
}
public static void Login(LoginClient pClient, Packet pPacket)
{
// Initialize DB
DatabaseClient dbClient = Program.DatabaseManager.GetClient();
// Define packet lengths, as these may change with client updates
int packetLength = 316;
int loginLength = 17 + 1;
int passwordLength = 32 + 1;
string md5 = pPacket.ReadStringForLogin(packetLength);
char[] md5Char = md5.ToCharArray();
string username = "";
string clientPassword = "";
// Read from 0 --> 17
for (int i = 0; i < loginLength; i++)
username += md5Char[i].ToString().Replace("\0", "");
// Read from 260 --> 292
for (int i = 260; i < 260 + passwordLength; i++)
clientPassword += md5Char[i].ToString().Replace("\0", "");
Log.WriteLine(LogLevel.Debug, "{0} tries to login.", username);
DataTable loginData = null;
using (dbClient)
loginData = dbClient.ReadDataTable("SELECT * FROM accounts WHERE Username= '******'");
// Auto account creation if no username found
if (loginData.Rows.Count == 0)
{
dbClient.ExecuteQuery("INSERT INTO accounts (username, password) VALUES ('" + username + "','" + clientPassword + "')");
using (dbClient)
loginData = dbClient.ReadDataTable("SELECT * FROM accounts WHERE Username= '******'");
}
if (loginData != null)
{
if (loginData.Rows.Count > 0)
{
foreach (DataRow row in loginData.Rows)
{
string uIsername = (string)row["username"];
string password = (string)row["password"];
bool banned = Database.DataStore.ReadMethods.EnumToBool(row["banned"].ToString());
if (clientPassword == password)
{
if (banned)
{
SendFailedLogin(pClient, ServerError.Blocked);
Log.WriteLine(LogLevel.Debug, "Banned user - {0} tries to login.", username);
}
else if (ClientManager.Instance.IsLoggedIn(uIsername))
{
Log.WriteLine(LogLevel.Warn, "{0} is trying dual login. Disconnecting.", uIsername);
pClient.Disconnect();
break;
}
else
{
pClient.Username = uIsername;
pClient.IsAuthenticated = true;
pClient.Admin = 0; /*(byte)row["Admin"];*/
pClient.AccountID = int.Parse(row["id"].ToString());
WorldList(pClient, false);
}
}
else
SendFailedLogin(pClient, ServerError.InvalidCredentials);
}
}
}
}