public QPacket(byte[] data)
{
MemoryStream m = new MemoryStream(data);
m_oSourceVPort = new VPort(Helper.ReadU8(m));
m_oDestinationVPort = new VPort(Helper.ReadU8(m));
m_byPacketTypeFlags = Helper.ReadU8(m);
type = (PACKETTYPE)(m_byPacketTypeFlags & 0x7);
flags = new List <PACKETFLAG>();
ExtractFlags();
m_bySessionID = Helper.ReadU8(m);
m_uiSignature = Helper.ReadU32(m);
uiSeqId = Helper.ReadU16(m);
if (type == PACKETTYPE.SYN || type == PACKETTYPE.CONNECT)
{
m_uiConnectionSignature = Helper.ReadU32(m);
}
if (type == PACKETTYPE.DATA)
{
m_byPartNumber = Helper.ReadU8(m);
}
if (flags.Contains(PACKETFLAG.FLAG_HAS_SIZE))
{
payloadSize = Helper.ReadU16(m);
}
MemoryStream pl = new MemoryStream();
for (int i = (int)m.Position; i < m.Length - 1; i++)
{
pl.WriteByte(Helper.ReadU8(m));
}
payload = pl.ToArray();
payloadSize = (ushort)payload.Length;
if (payload != null && payload.Length > 0)
{
payload = Helper.Decrypt(Global.keyDATA, payload);
usesCompression = payload[0] != 0;
if (usesCompression)
{
MemoryStream m2 = new MemoryStream();
m2.Write(payload, 1, payload.Length - 1);
payload = Helper.Decompress(m2.ToArray());
}
else
{
MemoryStream m2 = new MemoryStream();
m2.Write(payload, 1, payload.Length - 1);
payload = m2.ToArray();
}
payloadSize = (ushort)payload.Length;
}
checkSum = Helper.ReadU8(m);
}
public RMCPacket(QPacket p)
{
MemoryStream m = new MemoryStream(p.payload);
Helper.ReadU32(m);
ushort b = Helper.ReadU8(m);
isRequest = (b >> 7) == 1;
try
{
if ((b & 0x7F) != 0x7F)
{
proto = (PROTOCOL)(b & 0x7F);
}
else
{
b = Helper.ReadU16(m);
proto = (PROTOCOL)(b);
}
}
catch
{
callID = Helper.ReadU32(m);
methodID = Helper.ReadU32(m);
WriteLog("Error: Unknown RMC packet protocol 0x" + b.ToString("X2"));
return;
}
callID = Helper.ReadU32(m);
methodID = Helper.ReadU32(m);
switch (proto)
{
case PROTOCOL.Authentication:
HandleAuthenticationMethods(m);
break;
case PROTOCOL.Secure:
HandleSecureMethods(m);
break;
default:
WriteLog("Error: No reader implemented for packet protocol " + proto);
break;
}
}
public RMCPacket(QPacket p)
{
MemoryStream m = new MemoryStream(p.payload);
Helper.ReadU32(m);
ushort b = Helper.ReadU8(m);
isRequest = (b >> 7) == 1;
try
{
if ((b & 0x7F) != 0x7F)
{
proto = (PROTOCOL)(b & 0x7F);
}
else
{
b = Helper.ReadU16(m);
proto = (PROTOCOL)(b);
}
}
catch
{
callID = Helper.ReadU32(m);
methodID = Helper.ReadU32(m);
WriteLog(1, "Error: Unknown RMC packet protocol 0x" + b.ToString("X2"));
return;
}
callID = Helper.ReadU32(m);
methodID = Helper.ReadU32(m);
switch (proto)
{
case PROTOCOL.Authentication:
HandleAuthenticationMethods(m);
break;
case PROTOCOL.Secure:
HandleSecureMethods(m);
break;
case PROTOCOL.Telemetry:
HandleTelemetryMethods(m);
break;
case PROTOCOL.AMMGameClient:
case PROTOCOL.PlayerProfileService:
case PROTOCOL.ArmorService:
case PROTOCOL.InventoryService:
case PROTOCOL.LootService:
case PROTOCOL.WeaponService:
case PROTOCOL.FriendsService:
case PROTOCOL.ChatService:
case PROTOCOL.MissionService:
case PROTOCOL.PartyService:
case PROTOCOL.StatisticsService:
case PROTOCOL.AchievementsService:
case PROTOCOL.ProgressionService:
case PROTOCOL.DBGTelemetry:
case PROTOCOL.RewardService:
case PROTOCOL.StoreService:
case PROTOCOL.AdvertisementsService:
case PROTOCOL.SkillsService:
case PROTOCOL.Loadout:
case PROTOCOL.UnlockService:
case PROTOCOL.AvatarService:
case PROTOCOL.WeaponProficiencyService:
case PROTOCOL.OpsProtocolService:
case PROTOCOL.ServerInfo:
case PROTOCOL.LeaderboardService:
case PROTOCOL.PveArchetypeService:
case PROTOCOL.InboxMessageService:
case PROTOCOL.ProfanityFilterService:
case PROTOCOL.AbilityService:
case PROTOCOL.SurveyService:
case PROTOCOL.OverlordNewsProtocol:
break;
default:
WriteLog(1, "Error: No reader implemented for packet protocol " + proto);
break;
}
}
public static void ProcessCONNECT(QPacket p)
{
ClientInfo client = GetClientByIDrecv(p.m_uiSignature);
if (client == null)
{
Log.WriteLine("[UDP] Cand find client for id : 0x" + p.m_uiSignature.ToString("X8"));
return;
}
client.IDsend = p.m_uiConnectionSignature;
QPacket reply = new QPacket();
if (p.payload != null && p.payload.Length > 1)
{
using (var mem = new MemoryStream(p.payload))
{
var ticketLen = Helper.ReadU32(mem);
var ticket = new byte[ticketLen];
for (int i = 0; i < ticketLen; i++)
{
ticket[i] = Helper.ReadU8(mem);
}
var requestDataLen = Helper.ReadU32(mem);
var requestData = new byte[requestDataLen];
for (int i = 0; i < requestDataLen; i++)
{
requestData[i] = Helper.ReadU8(mem);
}
var sessionKey = new byte[] { 0x9C, 0xB0, 0x1D, 0x7A, 0x2C, 0x5A, 0x6C, 0x5B, 0xED, 0x12, 0x68, 0x45, 0x69, 0xAE, 0x09, 0x0D };
var decryptedRequestData = Helper.Decrypt(sessionKey, requestData);
StringBuilder sb = new StringBuilder();
foreach (byte b in decryptedRequestData)
{
sb.Append(b.ToString("X2"));
}
uint rcv;
using (var d = new MemoryStream(decryptedRequestData))
{
var uPid = Helper.ReadU32(d);
var cid = Helper.ReadU32(d);
rcv = Helper.ReadU32(d);
}
using (var r = new MemoryStream())
{
reply.m_oSourceVPort = p.m_oDestinationVPort;
reply.m_oDestinationVPort = p.m_oSourceVPort;
reply.flags = new List <QPacket.PACKETFLAG>()
{
QPacket.PACKETFLAG.FLAG_ACK, QPacket.PACKETFLAG.FLAG_HAS_SIZE
};
reply.type = QPacket.PACKETTYPE.CONNECT;
reply.m_bySessionID = p.m_bySessionID;
reply.m_uiSignature = client.IDsend;
reply.uiSeqId = p.uiSeqId;
reply.m_uiConnectionSignature = client.IDrecv;
Helper.WriteU32(r, 4);
Helper.WriteU32(r, rcv + 1);
reply.payload = r.ToArray();
}
}
}
else
{
reply.m_oSourceVPort = p.m_oDestinationVPort;
reply.m_oDestinationVPort = p.m_oSourceVPort;
reply.flags = new List <QPacket.PACKETFLAG>()
{
QPacket.PACKETFLAG.FLAG_ACK
};
reply.type = QPacket.PACKETTYPE.CONNECT;
reply.m_bySessionID = p.m_bySessionID;
reply.m_uiSignature = client.IDsend;
reply.uiSeqId = p.uiSeqId;
reply.m_uiConnectionSignature = client.IDrecv;
reply.payload = new byte[0];
}
Send(reply, client);
}
