public static void FakeRejoinSequence(AresClient client, bool features)
        {
            if (!client.Cloaked)
            {
                LinkLeaf.LinkUser other = null;

                if (ServerCore.Linker.Busy)
                {
                    foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                    {
                        other = leaf.Users.Find(x => x.Vroom == client.Vroom && x.Name == client.Name && x.Link.Visible);

                        if (other != null)
                        {
                            other.LinkCredentials.Visible = false;
                            break;
                        }
                    }
                }

                UserPool.AUsers.ForEachWhere(x => x.SendPacket(other == null ? TCPOutbound.Join(x, client) : TCPOutbound.UpdateUserStatus(x, client)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);

                UserPool.WUsers.ForEachWhere(x => x.QueuePacket(other == null ? ib0t.WebOutbound.JoinTo(x, client.Name, client.Level) : ib0t.WebOutbound.UpdateTo(x, client.Name, client.Level)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);
            }

            client.SharedFiles.Clear();
            client.LoggedIn = true;
            client.SendPacket(TCPOutbound.Ack(client));

            if (features)
            {
                client.SendPacket(TCPOutbound.MyFeatures(client));
                client.SendPacket(TCPOutbound.FavIcon());
            }

            client.SendPacket(TCPOutbound.UserlistBot(client));

            UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
                                         x => x.LoggedIn && x.Vroom == client.Vroom && !x.Cloaked && !x.Quarantined);

            UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
                                         x => x.LoggedIn && x.Vroom == client.Vroom && !x.Cloaked && !x.Quarantined);

            if (ServerCore.Linker.Busy)
            {
                foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                {
                    leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
                                            x => x.Vroom == client.Vroom && x.Link.Visible);
                }
            }

            client.SendPacket(TCPOutbound.UserListEnd());
            client.SendPacket(TCPOutbound.OpChange(client));

            if (features)
            {
                client.SendPacket(TCPOutbound.SupportsVoiceClips());
                client.SendPacket(TCPOutbound.Url(client, Settings.Get <String>("link", "url"), Settings.Get <String>("text", "url")));
            }

            client.SendPacket(Avatars.Server(client));
            client.SendPacket(TCPOutbound.PersonalMessageBot(client));

            if (client.CustomClient)
            {
                UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.VoiceChatUserSupport(client, x)),
                                             x => (x.VoiceChatPrivate || x.VoiceChatPublic) && !x.Cloaked && !x.Quarantined);
            }

            UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
                                         x => x.LoggedIn && x.Vroom == client.Vroom && x.Avatar.Length > 0 && !x.Cloaked && !x.Quarantined);

            UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
                                         x => x.LoggedIn && x.Vroom == client.Vroom && !x.Cloaked && !x.Quarantined);

            if (ServerCore.Linker.Busy)
            {
                foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                {
                    leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
                                            x => x.Vroom == client.Vroom && x.Link.Visible && x.Avatar.Length > 0);
                }
            }

            UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
                                         x => x.LoggedIn && x.Vroom == client.Vroom && x.PersonalMessage.Length > 0 && !x.Cloaked && !x.Quarantined);

            UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
                                         x => x.LoggedIn && x.Vroom == client.Vroom && !x.Cloaked && !x.Quarantined);

            if (client.IsCbot)
            {
                UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.CustomFont(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && x.Font.Enabled);
            }

            if (ServerCore.Linker.Busy)
            {
                foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                {
                    leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
                                            x => x.Vroom == client.Vroom && x.Link.Visible && x.PersonalMessage.Length > 0);
                }
            }

            if (client.Avatar.Length > 0)
            {
                if (!client.Cloaked)
                {
                    UserPool.AUsers.ForEachWhere(x => x.SendPacket(TCPOutbound.Avatar(x, client)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);

                    UserPool.WUsers.ForEachWhere(x => x.QueuePacket(WebOutbound.AvatarTo(x, client.Name, client.Avatar)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && x.Extended);

                    if (ServerCore.Linker.Busy && ServerCore.Linker.LoginPhase == LinkLeaf.LinkLogin.Ready)
                    {
                        ServerCore.Linker.SendPacket(LinkLeaf.LeafOutbound.LeafAvatar(ServerCore.Linker, client));
                    }
                }
            }

            if (!String.IsNullOrEmpty(client.PersonalMessage))
            {
                if (!client.Cloaked)
                {
                    UserPool.AUsers.ForEachWhere(x => x.SendPacket(TCPOutbound.PersonalMessage(x, client)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);

                    UserPool.WUsers.ForEachWhere(x => x.QueuePacket(WebOutbound.PersMsgTo(x, client.Name, client.PersonalMessage)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && x.Extended);

                    if (ServerCore.Linker.Busy && ServerCore.Linker.LoginPhase == LinkLeaf.LinkLogin.Ready)
                    {
                        ServerCore.Linker.SendPacket(LinkLeaf.LeafOutbound.LeafPersonalMessage(ServerCore.Linker, client));
                    }
                }
            }

            if (client.Font.Enabled)
            {
                if (!client.Cloaked)
                {
                    UserPool.AUsers.ForEachWhere(x => x.SendPacket(TCPOutbound.CustomFont(x, client)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && x.IsCbot);

                    AresFont f = (AresFont)client.Font;
                    UserPool.WUsers.ForEachWhere(x => x.QueuePacket(WebOutbound.FontTo(x, client.Name, f.oldN, f.oldT)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);
                }
            }

            if (features)
            {
                if (client.SocketConnected)
                {
                    IdleManager.Set(client);
                }

                Events.Joined(client);
            }
        }
示例#2
0
        private static void Login(AresClient client, TCPPacketReader packet, ulong time, bool relogin)
        {
            if (client.LoggedIn)
            {
                return;
            }

            client.FastPing  = relogin;
            client.Guid      = packet;
            client.FileCount = packet;
            ushort org_files = client.FileCount;
            byte   crypto    = packet;

            client.DataPort = packet;
            client.NodeIP   = packet;
            client.NodePort = packet;
            packet.SkipBytes(4);
            client.OrgName = packet.ReadString(client);
            Helpers.FormatUsername(client);
            client.Name         = client.OrgName;
            client.Version      = packet.ReadString(client);
            client.Ares         = client.Version.StartsWith("Ares 2.") || client.Version.StartsWith("Ares_2.");
            client.IsCbot       = client.Version.StartsWith("cb0t ");
            client.CustomClient = true; // everyone can be custom client
            client.LocalIP      = packet;
            packet.SkipBytes(4);
            client.Browsable      = ((byte)packet) > 2 && Settings.Get <bool>("files");
            client.CurrentUploads = packet;
            client.MaxUploads     = packet;
            client.CurrentQueued  = packet;
            client.Age            = packet;
            client.Sex            = packet;
            client.Country        = packet;
            client.Region         = packet.ReadString(client);


            if (client.Region.Length > 30)
            {
                client.Region = client.Region.Substring(0, 30);
            }

            client.FileCount = client.Browsable && client.Version.StartsWith("Ares") ? client.FileCount : (ushort)0;

            if (client.FileCount == 0)
            {
                client.Browsable = false;
            }

            // new proto data
            if (packet.Remaining > 0)
            {
                byte vc = packet;
                client.VoiceChatPublic      = ((vc & 1) == 1);
                client.VoiceChatPrivate     = ((vc & 2) == 2);
                client.VoiceOpusChatPublic  = ((vc & 4) == 4);
                client.VoiceOpusChatPrivate = ((vc & 8) == 8);
                client.SupportsHTML         = ((vc & 16) == 16);

                if (client.VoiceOpusChatPublic)
                {
                    client.VoiceChatPublic = true;
                }

                if (client.VoiceOpusChatPrivate)
                {
                    client.VoiceChatPrivate = true;
                }
            }

            // maybe add encryption in next cbot?
            client.Encryption.Mode = crypto == 250 ? EncryptionMode.Encrypted : EncryptionMode.Unencrypted;

            IPAddress p_check = new IPAddress(client.ExternalIP.GetAddressBytes());

            client.OriginalIP = p_check;

            if (client.Version.StartsWith("cb0t"))
            {
                ObSalt.GetSalt(client); // client doesn't support file sharing, so protect their external ip from idiots!
            }
            client.Captcha = !Settings.Get <bool>("captcha");

            if (!client.Captcha)
            {
                client.Captcha = CaptchaManager.HasCaptcha(client);
            }

            if (client.Encryption.Mode == EncryptionMode.Encrypted)
            {
                client.Encryption.Key = Crypto.CreateKey;
                client.Encryption.IV  = Crypto.CreateIV;
                client.SendPacket(TCPOutbound.CryptoKey(client));
            }

            // Use Original IP here
            // Fixes issue #30 https://github.com/AresChat/sb0t/issues/30
            if ((UserPool.AUsers.FindAll(x => x.OriginalIP.Equals(client.OriginalIP)).Count +
                 UserPool.WUsers.FindAll(x => x.OriginalIP.Equals(client.OriginalIP)).Count) > 5)
            {
                Events.Rejected(client, RejectedMsg.TooManyClients);
                throw new Exception("too many clients from this ip");
            }

            if (UserHistory.IsJoinFlooding(client, time))
            {
                Events.Rejected(client, RejectedMsg.TooSoon);
                throw new Exception("joined too quickly");
            }

            IClient hijack = UserPool.AUsers.Find(x => (x.Name == client.Name ||
                                                        x.OrgName == client.OrgName) && x.ID != client.ID && x.LoggedIn);

            if (hijack == null)
            {
                hijack = UserPool.WUsers.Find(x => (x.Name == client.Name ||
                                                    x.OrgName == client.OrgName) && x.ID != client.ID && x.LoggedIn);
            }

            if (hijack != null)
            {
                if (hijack.OriginalIP.Equals(client.OriginalIP))  // Possible issue with using masked ip lets use orginal instead
                {
                    if (!hijack.WebClient)
                    {
                        ((AresClient)hijack).Disconnect(true);
                    }
                    else
                    {
                        ((ib0t.ib0tClient)hijack).Disconnect();
                    }

                    client.Name     = client.OrgName;
                    client.FastPing = true;
                }
                else
                {
                    Events.Rejected(client, RejectedMsg.NameInUse);
                    throw new Exception("name in use");
                }
            }

            UserHistory.AddUser(client, time);

            if (BanSystem.IsBanned(client))
            {
                if (!Helpers.IsLocalHost(client))
                {
                    if (hijack != null && hijack is AresClient)
                    {
                        ((AresClient)hijack).SendDepart();
                    }

                    Events.Rejected(client, RejectedMsg.Banned);
                    throw new Exception("banned user");
                }
            }

            if (client.LocalIP.ToString() == "6.6.6.6" ||
                client.LocalIP.ToString() == "7.8.7.8" ||
                org_files == 6969)
            {
                if (hijack != null && hijack is AresClient)
                {
                    ((AresClient)hijack).SendDepart();
                }

                Events.Rejected(client, RejectedMsg.Banned);
                throw new Exception("spam bot");
            }

            if (Settings.Get <bool>("age_restrict"))
            {
                if (client.Age > 0)
                {
                    if ((byte)Settings.Get <int>("age_restrict_value") > client.Age)
                    {
                        if (hijack != null && hijack is AresClient)
                        {
                            ((AresClient)hijack).SendDepart();
                        }

                        Events.Rejected(client, RejectedMsg.UnderAge);
                        throw new Exception("under aged user");
                    }
                }
            }

            if (Helpers.IsUnacceptableGender(client))
            {
                if (hijack != null && hijack is AresClient)
                {
                    ((AresClient)hijack).SendDepart();
                }

                Events.Rejected(client, RejectedMsg.UnacceptableGender);
                throw new Exception("unacceptable gender");
            }

            if (Proxies.Check(p_check, client.DNS))
            {
                if (!Helpers.IsLocalHost(client))
                {
                    if (Events.ProxyDetected(client))
                    {
                        if (hijack != null && hijack is AresClient)
                        {
                            ((AresClient)hijack).SendDepart();
                        }

                        Events.Rejected(client, RejectedMsg.Proxy);
                        throw new Exception("proxy detected");
                    }
                }
            }

            client.Quarantined = !client.Captcha && Settings.Get <int>("captcha_mode") == 1;

            if (!Events.Joining(client))
            {
                if (!Helpers.IsLocalHost(client))
                {
                    if (hijack != null && hijack is AresClient)
                    {
                        ((AresClient)hijack).SendDepart();
                    }

                    Events.Rejected(client, RejectedMsg.UserDefined);
                    throw new Exception("user defined rejection");
                }
            }

            IgnoreManager.LoadIgnores(client);

            if (Helpers.IsLocalHost(client))
            {
                client.Captcha     = true;
                client.Quarantined = false;
                client.Registered  = true;
                client.Owner       = true;
            }

            if (hijack != null)
            {
                if (hijack.Cloaked)
                {
                    hijack = null;
                }
            }

            if (!client.Quarantined)
            {
                if (hijack == null || !(hijack is AresClient))
                {
                    LinkLeaf.LinkUser other = null;

                    if (ServerCore.Linker.Busy)
                    {
                        foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                        {
                            other = leaf.Users.Find(x => x.Vroom == client.Vroom && x.Name == client.Name && x.Link.Visible);

                            if (other != null)
                            {
                                other.LinkCredentials.Visible = false;
                                break;
                            }
                        }
                    }

                    UserPool.AUsers.ForEachWhere(x => x.SendPacket(other == null ? TCPOutbound.Join(x, client) : TCPOutbound.UpdateUserStatus(x, client)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);

                    UserPool.WUsers.ForEachWhere(x => x.QueuePacket(other == null ? ib0t.WebOutbound.JoinTo(x, client.Name, client.Level) : ib0t.WebOutbound.UpdateTo(x, client.Name, client.Level)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined);
                }

                client.LoggedIn = true;
                client.SendPacket(TCPOutbound.Ack(client));
                client.SendPacket(TCPOutbound.MyFeatures(client));
                client.SendPacket(TCPOutbound.FavIcon());
                client.SendPacket(TCPOutbound.TopicFirst(client, Settings.Topic));
                client.SendPacket(TCPOutbound.UserlistBot(client));

                UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);

                UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);

                if (ServerCore.Linker.Busy)
                {
                    foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                    {
                        leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.Userlist(client, x)),
                                                x => x.Vroom == client.Vroom && x.Link.Visible && !x.Cloaked);
                    }
                }

                client.SendPacket(TCPOutbound.UserListEnd());
                client.SendPacket(TCPOutbound.OpChange(client));
                client.SendPacket(TCPOutbound.SupportsVoiceClips());
                client.SendPacket(TCPOutbound.Url(client, Settings.Get <String>("link", "url"), Settings.Get <String>("text", "url")));
                client.SendPacket(TCPOutbound.PersonalMessageBot(client));
                client.SendPacket(Avatars.Server(client));

                if (client.CustomClient)
                {
                    UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.VoiceChatUserSupport(client, x)),
                                                 x => (x.VoiceChatPrivate || x.VoiceChatPublic) && !x.Quarantined && !x.Cloaked);
                }

                UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && x.Avatar.Length > 0 && !x.Quarantined && !x.Cloaked);

                UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);

                if (ServerCore.Linker.Busy)
                {
                    foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                    {
                        leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.Avatar(client, x)),
                                                x => x.Vroom == client.Vroom && x.Link.Visible && x.Avatar.Length > 0 && !x.Cloaked);
                    }
                }

                UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && x.PersonalMessage.Length > 0 && !x.Quarantined && !x.Cloaked);

                UserPool.WUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
                                             x => x.LoggedIn && x.Vroom == client.Vroom && !x.Quarantined && !x.Cloaked);

                if (ServerCore.Linker.Busy)
                {
                    foreach (LinkLeaf.Leaf leaf in ServerCore.Linker.Leaves)
                    {
                        leaf.Users.ForEachWhere(x => client.SendPacket(TCPOutbound.PersonalMessage(client, x)),
                                                x => x.Vroom == client.Vroom && x.Link.Visible && x.PersonalMessage.Length > 0 && !x.Cloaked);
                    }
                }

                FloodControl.Remove(client);

                if (client.SocketConnected)
                {
                    IdleManager.Set(client);
                }

                if (ServerCore.Linker.Busy && ServerCore.Linker.LoginPhase == LinkLeaf.LinkLogin.Ready)
                {
                    ServerCore.Linker.SendPacket(LinkLeaf.LeafOutbound.LeafJoin(ServerCore.Linker, client));
                }

                Events.Joined(client);

                if (client.Owner)
                {
                    client.Level = ILevel.Host;
                }

                if (client.IsCbot)
                {
                    UserPool.AUsers.ForEachWhere(x => client.SendPacket(TCPOutbound.CustomFont(client, x)),
                                                 x => x.LoggedIn && x.Vroom == client.Vroom && x.Font.Enabled && !x.Cloaked);
                }
            }
            else
            {
                if (hijack != null && hijack is AresClient)
                {
                    ((AresClient)hijack).SendDepart();
                }

                client.LoggedIn = true;
                client.SendPacket(TCPOutbound.Ack(client));
                client.SendPacket(TCPOutbound.MyFeatures(client));
                client.SendPacket(TCPOutbound.FavIcon());
                client.SendPacket(TCPOutbound.TopicFirst(client, Settings.Topic));
                client.SendPacket(TCPOutbound.UserlistBot(client));
                client.SendPacket(TCPOutbound.UserListEnd());
                client.SendPacket(TCPOutbound.PersonalMessageBot(client));
                client.SendPacket(Avatars.Server(client));

                CaptchaItem cap = Captcha.Create();
                client.CaptchaWord = cap.Word;
                Events.CaptchaSending(client);
                client.SendPacket(TCPOutbound.NoSuch(client, String.Empty));

                foreach (String str in cap.Lines)
                {
                    client.SendPacket(TCPOutbound.NoSuch(client, str));
                }

                client.SendPacket(TCPOutbound.NoSuch(client, String.Empty));
                FloodControl.Remove(client);
            }
        }