/// <summary>
/// Sends a packet, which is not yet encrypted, to the client.
/// </summary>
/// <param name="p">The packet containing all info.</param>
public void SendPacket(Packet p, bool nolength, bool noWarper)
{
if (!noWarper)
{
byte[] buf = new byte[p.data.Length + firstLevelLenth];
Array.Copy(p.data, 0, buf, firstLevelLenth, p.data.Length);
p.data = buf;
if (firstLevelLenth == 4)
{
p.SetLength();
}
else
{
p.PutUShort((ushort)(p.data.Length - 2), 0);
}
buf = new byte[p.data.Length + 4];
Array.Copy(p.data, 0, buf, 4, p.data.Length);
p.data = buf;
p.SetLength();
buf = new byte[p.data.Length + 4];
Array.Copy(p.data, 0, buf, 4, p.data.Length);
p.data = buf;
}
if (!nolength)
{
int mod = 16 - ((p.data.Length - 8) % 16);
if (mod != 0)
{
byte[] buf = new byte[p.data.Length + mod];
Array.Copy(p.data, 0, buf, 0, p.data.Length);
p.data = buf;
}
p.PutUInt((uint)(p.data.Length - 8), 0);
}
try
{
byte[] data;
data = Crypt.Encrypt(p.data, 8);
sock.BeginSend(data, 0, data.Length, SocketFlags.None, null, null);
}
catch (Exception ex)
{
Logger.ShowError(ex);
this.Disconnect();
}
}
public override void OnDie()
{
base.OnDie();
if( delay != -1 )
respawnTask.Activate();
corpsetask.Activate();
ai.Pause();
if( this.map.GetActor( this.timeSignature.actorID ) != null )
{
ActorPC pc = (ActorPC)this.map.GetActor( this.timeSignature.actorID );
ActorEventHandlers.PC_EventHandler eh = (SagaMap.ActorEventHandlers.PC_EventHandler)pc.e;
Packet p = new Packet();//don't know its name,maybe for some animation.
p.data = new byte[9];
p.ID = 0x060E;
p.PutUInt( this.Actor.id, 4 );
p.PutByte( 4, 8 );
eh.C.netIO.SendPacket(p, eh.C.SessionID);
SagaDB.Quest.Quest quest = Quest.QuestsManager.GetActiveQuest( pc );
if( quest != null )//Add a temporary loot for a specificial quest
{
if( Quest.QuestsManager.MobQuestItem.ContainsKey( this.Actor.npcType ) )
{
foreach( Quest.QuestsManager.LootInfo i in Quest.QuestsManager.MobQuestItem[this.Actor.npcType] )
{
if( i.QID == quest.ID )
{
if( quest.Steps.ContainsKey( i.SID ) )
{
if( quest.Steps[i.SID].Status == 1 )
{
if( this.Actor.NPCinv == null ) Actor.NPCinv = new List<Item>();
int j = Global.Random.Next( 0, 9999 );
if( j < i.rate )
this.Actor.NPCinv.Add( new Item( i.itemID ) );
return;
}
}
}
}
}
}
/*if (eh.C.QuestMobItem != null)
{
if (eh.C.QuestMobItem.ContainsKey(this.Actor.npcType))
{
if (this.Actor.NPCinv == null) Actor.NPCinv = new List<Item>();
this.Actor.NPCinv.Add(ItemFactory.GetItem((int)eh.C.QuestMobItem[this.Actor.npcType]));
}
}*/
}
}
private void ReceiveKeyExchange(IAsyncResult ar)
{
try
{
if (this.isDisconnected)
{
return;
}
if (!sock.Connected)
{
ClientManager.EnterCriticalArea();
this.Disconnect();
ClientManager.LeaveCriticalArea();
return;
}
try { stream.EndRead(ar); }
catch (Exception)
{
ClientManager.EnterCriticalArea();
this.Disconnect();
ClientManager.LeaveCriticalArea();
return;
}
byte[] raw = (byte[])ar.AsyncState;
if (raw.Length == 8)
{
Packet p1 = new Packet(529);
p1.PutUInt(1, 4);
p1.PutByte(0x32, 8);
p1.PutUInt(0x100, 9);
Crypt.MakePrivateKey();
string bufstring = Conversions.bytes2HexString(Encryption.Module.getBytes());
p1.PutBytes(System.Text.Encoding.ASCII.GetBytes(bufstring.ToLower()), 13);
p1.PutUInt(0x100, 269);
bufstring = Conversions.bytes2HexString(Crypt.GetKeyExchangeBytes());
p1.PutBytes(System.Text.Encoding.ASCII.GetBytes(bufstring), 273);
SendPacket(p1, true, true);
try
{
byte[] data = new byte[260];
stream.BeginRead(data, 0, 260, this.callbackKeyExchange, data);
}
catch (Exception)
{
ClientManager.EnterCriticalArea();
this.Disconnect();
ClientManager.LeaveCriticalArea();
return;
}
}
else if (raw.Length == 260)
{
Packet p1 = new Packet();
p1.data = raw;
byte[] keyBuf = p1.GetBytes(256, 4);
Crypt.MakeAESKey(System.Text.Encoding.ASCII.GetString(keyBuf));
StartPacketParsing();
}
else if (raw.Length == 529)
{
Packet p1 = new Packet();
p1.data = raw;
byte[] keyBuf = p1.GetBytes(256, 273);
Crypt.MakePrivateKey();
Packet p2 = new Packet(260);
p2.PutUInt(0x100, 0);
string bufstring = Conversions.bytes2HexString(Crypt.GetKeyExchangeBytes());
p2.PutBytes(System.Text.Encoding.ASCII.GetBytes(bufstring), 4);
SendPacket(p2, true, true);
Crypt.MakeAESKey(System.Text.Encoding.ASCII.GetString(keyBuf));
StartPacketParsing();
}
}
catch (Exception ex)
{
Logger.ShowError(ex);
}
}
private void ReceiveKeyExchange(IAsyncResult ar)
{
try
{
if (this.isDisconnected)
{
return;
}
if (!sock.Connected)
{
ClientManager.EnterCriticalArea();
this.Disconnect();
ClientManager.LeaveCriticalArea();
return;
}
try { stream.EndRead(ar); }
catch (Exception)
{
ClientManager.EnterCriticalArea();
this.Disconnect();
ClientManager.LeaveCriticalArea();
return;
}
byte[] raw = (byte[])ar.AsyncState;
if (raw.Length == 8)
{
Packet p1 = new Packet(529);
p1.PutUInt(1, 4);
p1.PutByte(0x32, 8);
p1.PutUInt(0x100, 9);
Crypt.MakePrivateKey();
string bufstring = Conversions.bytes2HexString(Encryption.Module.getBytes());
p1.PutBytes(System.Text.Encoding.ASCII.GetBytes(bufstring.ToLower()), 13);
p1.PutUInt(0x100, 269);
bufstring = Conversions.bytes2HexString(Crypt.GetKeyExchangeBytes());
p1.PutBytes(System.Text.Encoding.ASCII.GetBytes(bufstring), 273);
SendPacket(p1, true, true);
try
{
byte[] data = new byte[260];
stream.BeginRead(data, 0, 260, this.callbackKeyExchange, data);
}
catch (Exception)
{
ClientManager.EnterCriticalArea();
this.Disconnect();
ClientManager.LeaveCriticalArea();
return;
}
}
else if (raw.Length == 260)
{
Packet p1 = new Packet();
p1.data = raw;
byte[] keyBuf = p1.GetBytes(256, 4);
Crypt.MakeAESKey(System.Text.Encoding.ASCII.GetString(keyBuf));
StartPacketParsing();
}
else if (raw.Length == 529)
{
Packet p1 = new Packet();
p1.data = raw;
byte[] keyBuf = p1.GetBytes(256, 273);
Crypt.MakePrivateKey();
Packet p2 = new Packet(260);
p2.PutUInt(0x100, 0);
string bufstring = Conversions.bytes2HexString(Crypt.GetKeyExchangeBytes());
p2.PutBytes(System.Text.Encoding.ASCII.GetBytes(bufstring), 4);
SendPacket(p2, true, true);
Crypt.MakeAESKey(System.Text.Encoding.ASCII.GetString(keyBuf));
StartPacketParsing();
}
}
catch (Exception ex)
{
Logger.ShowError(ex);
}
}
/// <summary>
/// Sends a packet, which is not yet encrypted, to the client.
/// </summary>
/// <param name="p">The packet containing all info.</param>
public void SendPacket(Packet p, bool nolength, bool noWarper)
{
if (!noWarper)
{
byte[] buf = new byte[p.data.Length + firstLevelLenth];
Array.Copy(p.data, 0, buf, firstLevelLenth, p.data.Length);
p.data = buf;
if (firstLevelLenth == 4)
p.SetLength();
else
p.PutUShort((ushort)(p.data.Length - 2), 0);
buf = new byte[p.data.Length + 4];
Array.Copy(p.data, 0, buf, 4, p.data.Length);
p.data = buf;
p.SetLength();
buf = new byte[p.data.Length + 4];
Array.Copy(p.data, 0, buf, 4, p.data.Length);
p.data = buf;
}
if (!nolength)
{
int mod = 16-((p.data.Length - 8) % 16);
if (mod != 0)
{
byte[] buf = new byte[p.data.Length + mod];
Array.Copy(p.data, 0, buf, 0, p.data.Length);
p.data = buf;
}
p.PutUInt((uint)(p.data.Length - 8), 0);
}
try
{
byte[] data;
data = Crypt.Encrypt(p.data, 8);
sock.BeginSend(data, 0, data.Length, SocketFlags.None, null, null);
}
catch (Exception ex)
{
Logger.ShowError(ex);
this.Disconnect();
}
}
