// Chart for all error password-related error codes were provided by kojasou@ on
// https://github.com/hybrasyl/server/pull/11.
private void PacketHandler_0x26_ChangePassword(Client client, ClientPacket packet)
{
var name = packet.ReadString8();
var currentPass = packet.ReadString8();
// Clientside validation ensures that the same string is typed twice for the new
// password, and the new password is only sent to the server once. We can assume
// that they matched if 0x26 request is sent from the client.
var newPass = packet.ReadString8();
using (var ctx = new hybrasylEntities(Constants.ConnectionString))
{
var player = ctx.players.Where(p => p.name == name).SingleOrDefault();
// Check that `name` exists. If not, return a message indicating that to the user.
if (player == null)
{
client.LoginMessage(GetPasswordError(0x0E), 0x0E);
Logger.DebugFormat("Password change attempt on invalid player `{0}`", name);
}
// If the player does exist, validate the current and new passwords before updating.
else
{
// Check that the current password is correct and the new password is different
// than the current password.
if (VerifyPassword(currentPass, player))
{
// Check if the password is valid.
byte err = 0x00;
if (ValidPassword(newPass, out err))
{
player.password_hash = HashPassword(newPass);
ctx.SaveChanges();
// Let the user know the good news.
client.LoginMessage("Your password has been changed successfully.", 0x0);
Logger.InfoFormat("Password successfully changed for `{0}`", name);
}
else
{
client.LoginMessage(GetPasswordError(err), err);
Logger.ErrorFormat("Invalid new password proposed during password change attempt for `{0}`", name);
}
}
// The current password is incorrect. Don't allow any changes to happen.
else
{
client.LoginMessage(GetPasswordError(0x0F), 0x0F);
Logger.ErrorFormat("Invalid current password during password change attempt for `{0}`", name);
}
}
}
}
private void PacketHandler_0x03_Login(Client client, ClientPacket packet)
{
var name = packet.ReadString8();
var password = packet.ReadString8();
Logger.DebugFormat("cid {0}: Login request for {1}", client.ConnectionId, name);
using (var ctx = new hybrasylEntities(Constants.ConnectionString))
{
var result = ctx.players.Where(player => player.name == name).SingleOrDefault();
if (result == null)
{
client.LoginMessage("That character does not exist", 3);
Logger.InfoFormat("cid {0}: attempt to login as nonexistent character {1}", client.ConnectionId, name);
}
else
{
if (VerifyPassword(password, result))
{
Logger.DebugFormat("cid {0}: password verified for {1}", client.ConnectionId, name);
if (Game.World.ActiveUsersByName.ContainsKey(name))
{
Logger.InfoFormat("cid {0}: {1} logging on again, disconnecting previous connection",
client.ConnectionId, name);
World.MessageQueue.Add(new HybrasylControlMessage(ControlOpcodes.LogoffUser, name));
}
Logger.DebugFormat("cid {0} ({1}): logging in", client.ConnectionId, name);
client.LoginMessage("\0", 0);
client.SendMessage("Welcome to Hybrasyl!", 3);
Logger.DebugFormat("cid {0} ({1}): sending redirect to world", client.ConnectionId, name);
var redirect = new Redirect(client, this, Game.World, name, client.EncryptionSeed,
client.EncryptionKey);
Logger.InfoFormat("cid {0} ({1}): login successful, redirecting to world server",
client.ConnectionId, name);
client.Redirect(redirect);
}
else
{
Logger.WarnFormat("cid {0} ({1}): password incorrect", client.ConnectionId, name);
client.LoginMessage("Incorrect password", 3);
}
}
}
}
private void PacketHandler_0x04_CreateB(Client client, ClientPacket packet)
{
if (string.IsNullOrEmpty(client.NewCharacterName) || string.IsNullOrEmpty(client.NewCharacterPassword))
{
return;
}
var hairStyle = packet.ReadByte();
var sex = packet.ReadByte();
var hairColor = packet.ReadByte();
if (hairStyle < 1)
{
hairStyle = 1;
}
if (hairStyle > 17)
{
hairStyle = 17;
}
if (hairColor > 13)
{
hairColor = 13;
}
if (sex < 1)
{
sex = 1;
}
if (sex > 2)
{
sex = 2;
}
if (!Game.World.PlayerExists(client.NewCharacterName))
{
using (var ctx = new hybrasylEntities(Constants.ConnectionString))
{
player newplayer = new player
{
name = client.NewCharacterName,
password_hash = client.NewCharacterPassword,
sex = (Sex)sex,
hairstyle = hairStyle,
haircolor = hairColor,
map_id = 136,
map_x = 10,
map_y = 10,
direction = 1,
class_type = 0,
level = 1,
exp = 0,
ab = 0,
gold = 0,
ab_exp = 0,
max_hp = 50,
max_mp = 50,
cur_hp = 50,
cur_mp = 35,
str = 3,
@int = 3,
wis = 3,
con = 3,
dex = 3,
inventory = "[]",
equipment = "[]",
created_at = DateTime.Now
};
try
{
ctx.players.Add(newplayer);
ctx.SaveChanges();
}
catch (Exception e)
{
Logger.ErrorFormat("Error saving new player!");
Logger.ErrorFormat(e.ToString());
client.LoginMessage("Unknown error. Contact [email protected]", 3);
}
client.LoginMessage("\0", 0);
}
}
}
