public static void AuthSessionRequest(RealmClient client, RealmPacketIn packet)
{
packet.SkipBytes(8);
string accName = packet.ReadString();
uint clientSeed = packet.ReadUInt32();
BigInteger clientDigest = packet.ReadBigInteger(20);
AuthenticationInfo authInfo;
SecureRemotePassword srp;
AuthenticationErrorCodes errorCode = AuthenticationErrorCodes.AuthFailed;
client.Account = new Account(client, accName);
if (!client.Account.Initialize())
{
errorCode = AuthenticationErrorCodes.UnknownAccount;
goto sendErrorReply;
}
if (client.Server.RequestAuthenticationInfo(accName, out authInfo))
{
srp = new SecureRemotePassword(accName, authInfo.Verifier, new BigInteger(authInfo.Salt, 32));
client.Account.SessionKey = authInfo.SessionKey;
client.SystemInfo = SystemInformation.Deserialize(authInfo.SystemInformation);
}
else
{
goto sendErrorReply;
}
BigInteger clientVerifier = srp.Hash(srp.Username, new byte[4], clientSeed, client.Server.AuthSeed,
client.Account.SessionKey);
client.IsEncrypted = true; // all packets from here on are encrypted, including the AuthSessionReplys
if (clientVerifier == clientDigest)
{
AddonHandler.ReadAddOns(client, packet);
client.Server.LoginAccount(client.Account.Username);
if (AuthQueue.QueuedClients > 0 ||
client.Server.NumberOfClients > client.Server.Config.ServerCapacity)
{
AuthQueue.EnqueueClient(client);
return;
}
SendAuthSessionSuccess(client);
return;
}
else
{
goto sendErrorReply;
}
sendErrorReply:
SendAuthSessionErrorReply(client, errorCode);
client.Disconnect();
}
