/*
* InspIRCd -- Internet Relay Chat Daemon
*
- * Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2018 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
#pragma once
+#include "utils.h"
+#include "treeserver.h"
+
+class ProtocolException : public ModuleException
+{
+ public:
+ ProtocolException(const std::string& msg)
+ : ModuleException("Protocol violation: " + msg)
+ {
+ }
+};
+
+/** Base class for server-to-server commands that may have a (remote) user source or server source.
+ */
class ServerCommand : public CommandBase
{
public:
ServerCommand(Module* Creator, const std::string& Name, unsigned int MinPara = 0, unsigned int MaxPara = 0);
- virtual CmdResult Handle(User* user, std::vector<std::string>& parameters) = 0;
- virtual RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters);
+ /** Register this object in the ServerCommandManager
+ */
+ void RegisterService() CXX11_OVERRIDE;
+
+ virtual CmdResult Handle(User* user, Params& parameters) = 0;
+ RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE;
+
+ /**
+ * Extract the TS from a string.
+ * @param tsstr The string containing the TS.
+ * @return The raw timestamp value.
+ * This function throws a ProtocolException if it considers the TS invalid. Note that the detection of
+ * invalid timestamps is not designed to be bulletproof, only some cases - like "0" - trigger an exception.
+ */
+ static time_t ExtractTS(const std::string& tsstr);
+};
+
+/** Base class for server-to-server command handlers which are only valid if their source is a user.
+ * When a server sends a command of this type and the source is a server (sid), the link is aborted.
+ */
+template <class T>
+class UserOnlyServerCommand : public ServerCommand
+{
+ public:
+ UserOnlyServerCommand(Module* Creator, const std::string& Name, unsigned int MinPara = 0, unsigned int MaxPara = 0)
+ : ServerCommand(Creator, Name, MinPara, MaxPara) { }
+
+ CmdResult Handle(User* user, Params& parameters) CXX11_OVERRIDE
+ {
+ RemoteUser* remoteuser = IS_REMOTE(user);
+ if (!remoteuser)
+ throw ProtocolException("Invalid source");
+ return static_cast<T*>(this)->HandleRemote(remoteuser, parameters);
+ }
+};
+
+/** Base class for server-to-server command handlers which are only valid if their source is a server.
+ * When a server sends a command of this type and the source is a user (uuid), the link is aborted.
+ */
+template <class T>
+class ServerOnlyServerCommand : public ServerCommand
+{
+ public:
+ ServerOnlyServerCommand(Module* Creator, const std::string& Name, unsigned int MinPara = 0, unsigned int MaxPara = 0)
+ : ServerCommand(Creator, Name, MinPara, MaxPara) { }
+
+ CmdResult Handle(User* user, CommandBase::Params& parameters) CXX11_OVERRIDE
+ {
+ if (!IS_SERVER(user))
+ throw ProtocolException("Invalid source");
+ TreeServer* server = TreeServer::Get(user);
+ return static_cast<T*>(this)->HandleServer(server, parameters);
+ }
};
class ServerCommandManager