X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmodules%2Fm_spanningtree%2Fservercommand.h;h=5248983612c753739e02029a51cd367eb7948622;hb=c71361e8e4f22cb4f72881399bce2832eb080b0e;hp=4311dd7b7f9af79bb5f53c1f7b5fcbfcad904fd2;hpb=b14ebbccf08ec34a73e1ba271e67da80d9fe805c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_spanningtree/servercommand.h b/src/modules/m_spanningtree/servercommand.h index 4311dd7b7..524898361 100644 --- a/src/modules/m_spanningtree/servercommand.h +++ b/src/modules/m_spanningtree/servercommand.h @@ -1,7 +1,8 @@ /* * InspIRCd -- Internet Relay Chat Daemon * - * Copyright (C) 2013 Attila Molnar + * Copyright (C) 2018 Sadie Powell + * Copyright (C) 2013-2015 Attila Molnar * * 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 @@ -19,13 +20,78 @@ #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& parameters) = 0; - virtual RouteDescriptor GetRouting(User* user, const std::vector& 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 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(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 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(this)->HandleServer(server, parameters); + } }; class ServerCommandManager