X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules.cpp;h=558923332982cc0a5b30e44743f2922beb9e2e4c;hb=3151d60c1ecc9462e4c335282ee6c31672f45111;hp=b9f5de63cd33a5a16eb056f06022f42e2e6161cf;hpb=4e1ae0981e1d6b306d316b2f66a2fc72a36e0e87;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules.cpp b/src/modules.cpp index b9f5de63c..17804a48e 100644 --- a/src/modules.cpp +++ b/src/modules.cpp @@ -1,203 +1,173 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2020 Matt Schatz + * Copyright (C) 2019 nia + * Copyright (C) 2019 iwalkalone + * Copyright (C) 2013, 2017-2020 Sadie Powell + * Copyright (C) 2013 Daniel Vassdal + * Copyright (C) 2013 Adam + * Copyright (C) 2012-2016, 2018 Attila Molnar + * Copyright (C) 2012 Robby + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2007 Oliver Lupton + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006-2010 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * 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 + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ -/* $Core */ #include "inspircd.h" -#include "xline.h" -#include "socket.h" -#include "socketengine.h" -#include "command_parse.h" -#include "dns.h" #include "exitcodes.h" +#include -#ifndef WIN32 - #include -#endif - -// version is a simple class for holding a modules version number -Version::Version(const std::string &sversion, int flags, int api_ver) -: version(sversion), Flags(flags), API(api_ver) -{ -} - -Request::Request(char* anydata, Module* src, Module* dst) -: data(anydata), source(src), dest(dst) -{ - /* Ensure that because this module doesnt support ID strings, it doesnt break modules that do - * by passing them uninitialized pointers (could happen) - */ - id = '\0'; -} - -Request::Request(Module* src, Module* dst, const char* idstr) -: id(idstr), source(src), dest(dst) -{ -} - -char* Request::GetData() -{ - return this->data; -} - -const char* Request::GetId() -{ - return this->id; -} - -Module* Request::GetSource() -{ - return this->source; -} - -Module* Request::GetDest() -{ - return this->dest; -} - -const char* Request::Send() -{ - if (this->dest) - { - return dest->OnRequest(this); - } - else - { - return NULL; - } -} - -Event::Event(char* anydata, Module* src, const std::string &eventid) : data(anydata), source(src), id(eventid) { } - -char* Event::GetData() -{ - return (char*)this->data; -} +static insp::intrusive_list* dynrefs = NULL; -Module* Event::GetSource() +void dynamic_reference_base::reset_all() { - return this->source; + if (!dynrefs) + return; + for (insp::intrusive_list::iterator i = dynrefs->begin(); i != dynrefs->end(); ++i) + (*i)->resolve(); } -char* Event::Send(InspIRCd* ServerInstance) +// Version is a simple class for holding a modules version number +Version::Version(const std::string &desc, int flags) : description(desc), Flags(flags) { - FOREACH_MOD(I_OnEvent,OnEvent(this)); - return NULL; } -std::string Event::GetEventID() +Version::Version(const std::string &desc, int flags, const std::string& linkdata) +: description(desc), Flags(flags), link_data(linkdata) { - return this->id; } - // These declarations define the behavours of the base class Module (which does nothing at all) -Module::Module(InspIRCd* Me) : ServerInstance(Me) { } -Module::~Module() { } - -int Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { return 0; } -void Module::OnUserConnect(User*) { } -void Module::OnUserQuit(User*, const std::string&, const std::string&) { } -void Module::OnUserDisconnect(User*) { } -void Module::OnUserJoin(User*, Channel*, bool, bool&) { } -void Module::OnPostJoin(User*, Channel*) { } -void Module::OnUserPart(User*, Channel*, std::string&, bool&) { } -void Module::OnRehash(User*, const std::string&) { } -int Module::OnUserPreJoin(User*, Channel*, const char*, std::string&, const std::string&) { return 0; } -void Module::OnMode(User*, void*, int, const std::string&) { } -Version Module::GetVersion() { return Version("Misconfigured", VF_VENDOR, -1); } -void Module::OnOper(User*, const std::string&) { } -void Module::OnPostOper(User*, const std::string&, const std::string &) { } -void Module::OnInfo(User*) { } -void Module::OnWhois(User*, User*) { } -int Module::OnUserPreInvite(User*, User*, Channel*, time_t) { return 0; } -int Module::OnUserPreMessage(User*, void*, int, std::string&, char, CUList&) { return 0; } -int Module::OnUserPreNotice(User*, void*, int, std::string&, char, CUList&) { return 0; } -int Module::OnUserPreNick(User*, const std::string&) { return 0; } -void Module::OnUserPostNick(User*, const std::string&) { } -int Module::OnAccessCheck(User*, User*, Channel*, int) { return ACR_DEFAULT; } -void Module::On005Numeric(std::string&) { } -int Module::OnKill(User*, User*, const std::string&) { return 0; } -void Module::OnLoadModule(Module*, const std::string&) { } -void Module::OnUnloadModule(Module*, const std::string&) { } -void Module::OnBackgroundTimer(time_t) { } -int Module::OnPreCommand(std::string&, std::vector&, User *, bool, const std::string&) { return 0; } -void Module::OnPostCommand(const std::string&, const std::vector&, User *, CmdResult, const std::string&) { } -bool Module::OnCheckReady(User*) { return true; } -int Module::OnUserRegister(User*) { return 0; } -int Module::OnUserPreKick(User*, User*, Channel*, const std::string&) { return 0; } -void Module::OnUserKick(User*, User*, Channel*, const std::string&, bool&) { } -int Module::OnRawMode(User*, Channel*, const char, const std::string &, bool, int, bool) { return 0; } -int Module::OnCheckInvite(User*, Channel*) { return 0; } -int Module::OnCheckKey(User*, Channel*, const std::string&) { return 0; } -int Module::OnCheckLimit(User*, Channel*) { return 0; } -int Module::OnCheckBan(User*, Channel*) { return 0; } -int Module::OnCheckExtBan(User *, Channel *, char) { return 0; } -int Module::OnCheckStringExtBan(const std::string &s, Channel *c, char type) { return 0; } -int Module::OnStats(char, User*, string_list&) { return 0; } -int Module::OnChangeLocalUserHost(User*, const std::string&) { return 0; } -int Module::OnChangeLocalUserGECOS(User*, const std::string&) { return 0; } -int Module::OnLocalTopicChange(User*, Channel*, const std::string&) { return 0; } -void Module::OnEvent(Event*) { return; } -const char* Module::OnRequest(Request*) { return NULL; } -int Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { return 0; } -void Module::OnGlobalOper(User*) { } -void Module::OnPostConnect(User*) { } -int Module::OnAddBan(User*, Channel*, const std::string &) { return 0; } -int Module::OnDelBan(User*, Channel*, const std::string &) { return 0; } -void Module::OnRawSocketAccept(int, const std::string&, int) { } -int Module::OnRawSocketWrite(int, const char*, int) { return 0; } -void Module::OnRawSocketClose(int) { } -void Module::OnRawSocketConnect(int) { } -int Module::OnRawSocketRead(int, char*, unsigned int, int&) { return 0; } -void Module::OnUserMessage(User*, void*, int, const std::string&, char, const CUList&) { } -void Module::OnUserNotice(User*, void*, int, const std::string&, char, const CUList&) { } -void Module::OnRemoteKill(User*, User*, const std::string&, const std::string&) { } -void Module::OnUserInvite(User*, User*, Channel*, time_t) { } -void Module::OnPostLocalTopicChange(User*, Channel*, const std::string&) { } -void Module::OnGetServerDescription(const std::string&, std::string&) { } -void Module::OnSyncUser(User*, Module*, void*) { } -void Module::OnSyncChannel(Channel*, Module*, void*) { } -void Module::ProtoSendMode(void*, TargetTypeFlags, void*, const std::string&) { } -void Module::OnSyncChannelMetaData(Channel*, Module*, void*, const std::string&, bool) { } -void Module::OnSyncUserMetaData(User*, Module*, void*, const std::string&, bool) { } -void Module::OnSyncOtherMetaData(Module*, void*, bool) { } -void Module::OnDecodeMetaData(int, void*, const std::string&, const std::string&) { } -void Module::ProtoSendMetaData(void*, TargetTypeFlags, void*, const std::string&, const std::string&) { } -void Module::OnWallops(User*, const std::string&) { } -void Module::OnChangeHost(User*, const std::string&) { } -void Module::OnChangeName(User*, const std::string&) { } -void Module::OnAddLine(User*, XLine*) { } -void Module::OnDelLine(User*, XLine*) { } -void Module::OnExpireLine(XLine*) { } -void Module::OnCleanup(int, void*) { } -int Module::OnChannelPreDelete(Channel*) { return 0; } -void Module::OnChannelDelete(Channel*) { } -int Module::OnSetAway(User*, const std::string &) { return 0; } -int Module::OnUserList(User*, Channel*, CUList*&) { return 0; } -int Module::OnWhoisLine(User*, User*, int&, std::string&) { return 0; } -void Module::OnBuildExemptList(MessageType, Channel*, User*, char, CUList&, const std::string&) { } -void Module::OnGarbageCollect() { } -void Module::OnBufferFlushed(User*) { } -void Module::OnText(User*, void*, int, const std::string&, char, CUList&) { } -void Module::OnRunTestSuite() { } -void Module::OnNamesListItem(User*, User*, Channel*, std::string&, std::string&) { } -int Module::OnNumeric(User*, unsigned int, const std::string&) { return 0; } -void Module::OnHookUserIO(User*, const std::string&) { } -bool Module::OnHostCycle(User* user) { return false; } - -ModuleManager::ModuleManager(InspIRCd* Ins) : ModCount(0), Instance(Ins) +Module::Module() + : ModuleDLLManager(NULL) + , dying(false) +{ +} + +CullResult Module::cull() +{ + if (ModuleDLLManager) + ServerInstance->GlobalCulls.AddItem(ModuleDLLManager); + return classbase::cull(); +} + +Module::~Module() +{ +} + +void Module::DetachEvent(Implementation i) +{ + ServerInstance->Modules->Detach(i, this); +} + +void Module::ReadConfig(ConfigStatus& status) { } +ModResult Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { DetachEvent(I_OnSendSnotice); return MOD_RES_PASSTHRU; } +void Module::OnUserConnect(LocalUser*) { DetachEvent(I_OnUserConnect); } +ModResult Module::OnUserPreQuit(LocalUser*, std::string&, std::string&) { DetachEvent(I_OnUserPreQuit); return MOD_RES_PASSTHRU; } +void Module::OnUserQuit(User*, const std::string&, const std::string&) { DetachEvent(I_OnUserQuit); } +void Module::OnUserDisconnect(LocalUser*) { DetachEvent(I_OnUserDisconnect); } +void Module::OnUserJoin(Membership*, bool, bool, CUList&) { DetachEvent(I_OnUserJoin); } +void Module::OnPostJoin(Membership*) { DetachEvent(I_OnPostJoin); } +void Module::OnUserPart(Membership*, std::string&, CUList&) { DetachEvent(I_OnUserPart); } +void Module::OnPreRehash(User*, const std::string&) { DetachEvent(I_OnPreRehash); } +void Module::OnModuleRehash(User*, const std::string&) { DetachEvent(I_OnModuleRehash); } +ModResult Module::OnUserPreJoin(LocalUser*, Channel*, const std::string&, std::string&, const std::string&) { DetachEvent(I_OnUserPreJoin); return MOD_RES_PASSTHRU; } +void Module::OnMode(User*, User*, Channel*, const Modes::ChangeList&, ModeParser::ModeProcessFlag) { DetachEvent(I_OnMode); } +void Module::OnOper(User*, const std::string&) { DetachEvent(I_OnOper); } +void Module::OnPostOper(User*, const std::string&, const std::string &) { DetachEvent(I_OnPostOper); } +void Module::OnPostDeoper(User*) { DetachEvent(I_OnPostDeoper); } +ModResult Module::OnUserPreInvite(User*, User*, Channel*, time_t) { DetachEvent(I_OnUserPreInvite); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserPreMessage(User*, const MessageTarget&, MessageDetails&) { DetachEvent(I_OnUserPreMessage); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserPreNick(LocalUser*, const std::string&) { DetachEvent(I_OnUserPreNick); return MOD_RES_PASSTHRU; } +void Module::OnUserPostNick(User*, const std::string&) { DetachEvent(I_OnUserPostNick); } +ModResult Module::OnPreMode(User*, User*, Channel*, Modes::ChangeList&) { DetachEvent(I_OnPreMode); return MOD_RES_PASSTHRU; } +void Module::On005Numeric(std::map&) { DetachEvent(I_On005Numeric); } +ModResult Module::OnKill(User*, User*, const std::string&) { DetachEvent(I_OnKill); return MOD_RES_PASSTHRU; } +void Module::OnLoadModule(Module*) { DetachEvent(I_OnLoadModule); } +void Module::OnUnloadModule(Module*) { DetachEvent(I_OnUnloadModule); } +void Module::OnBackgroundTimer(time_t) { DetachEvent(I_OnBackgroundTimer); } +ModResult Module::OnPreCommand(std::string&, CommandBase::Params&, LocalUser*, bool) { DetachEvent(I_OnPreCommand); return MOD_RES_PASSTHRU; } +void Module::OnPostCommand(Command*, const CommandBase::Params&, LocalUser*, CmdResult, bool) { DetachEvent(I_OnPostCommand); } +void Module::OnCommandBlocked(const std::string&, const CommandBase::Params&, LocalUser*) { DetachEvent(I_OnCommandBlocked); } +void Module::OnUserInit(LocalUser*) { DetachEvent(I_OnUserInit); } +void Module::OnUserPostInit(LocalUser*) { DetachEvent(I_OnUserPostInit); } +ModResult Module::OnCheckReady(LocalUser*) { DetachEvent(I_OnCheckReady); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserRegister(LocalUser*) { DetachEvent(I_OnUserRegister); return MOD_RES_PASSTHRU; } +ModResult Module::OnUserPreKick(User*, Membership*, const std::string&) { DetachEvent(I_OnUserPreKick); return MOD_RES_PASSTHRU; } +void Module::OnUserKick(User*, Membership*, const std::string&, CUList&) { DetachEvent(I_OnUserKick); } +ModResult Module::OnRawMode(User*, Channel*, ModeHandler*, const std::string&, bool) { DetachEvent(I_OnRawMode); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckInvite(User*, Channel*) { DetachEvent(I_OnCheckInvite); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckKey(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckKey); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckLimit(User*, Channel*) { DetachEvent(I_OnCheckLimit); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckChannelBan(User*, Channel*) { DetachEvent(I_OnCheckChannelBan); return MOD_RES_PASSTHRU; } +ModResult Module::OnCheckBan(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckBan); return MOD_RES_PASSTHRU; } +ModResult Module::OnExtBanCheck(User*, Channel*, char) { DetachEvent(I_OnExtBanCheck); return MOD_RES_PASSTHRU; } +ModResult Module::OnPreChangeHost(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeHost); return MOD_RES_PASSTHRU; } +ModResult Module::OnPreChangeRealName(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeRealName); return MOD_RES_PASSTHRU; } +ModResult Module::OnPreTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPreTopicChange); return MOD_RES_PASSTHRU; } +ModResult Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { DetachEvent(I_OnPassCompare); return MOD_RES_PASSTHRU; } +void Module::OnPostConnect(User*) { DetachEvent(I_OnPostConnect); } +void Module::OnUserPostMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserPostMessage); } +void Module::OnUserMessageBlocked(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessageBlocked); } +void Module::OnUserInvite(User*, User*, Channel*, time_t, unsigned int, CUList&) { DetachEvent(I_OnUserInvite); } +void Module::OnPostTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPostTopicChange); } +void Module::OnDecodeMetaData(Extensible*, const std::string&, const std::string&) { DetachEvent(I_OnDecodeMetaData); } +void Module::OnChangeHost(User*, const std::string&) { DetachEvent(I_OnChangeHost); } +void Module::OnChangeRealHost(User*, const std::string&) { DetachEvent(I_OnChangeRealHost); } +void Module::OnChangeRealName(User*, const std::string&) { DetachEvent(I_OnChangeRealName); } +void Module::OnChangeIdent(User*, const std::string&) { DetachEvent(I_OnChangeIdent); } +void Module::OnAddLine(User*, XLine*) { DetachEvent(I_OnAddLine); } +void Module::OnDelLine(User*, XLine*) { DetachEvent(I_OnDelLine); } +void Module::OnExpireLine(XLine*) { DetachEvent(I_OnExpireLine); } +void Module::OnCleanup(ExtensionItem::ExtensibleType, Extensible*) { } +ModResult Module::OnChannelPreDelete(Channel*) { DetachEvent(I_OnChannelPreDelete); return MOD_RES_PASSTHRU; } +void Module::OnChannelDelete(Channel*) { DetachEvent(I_OnChannelDelete); } +void Module::OnBuildNeighborList(User*, IncludeChanList&, std::map&) { DetachEvent(I_OnBuildNeighborList); } +void Module::OnGarbageCollect() { DetachEvent(I_OnGarbageCollect); } +ModResult Module::OnSetConnectClass(LocalUser* user, ConnectClass* myclass) { DetachEvent(I_OnSetConnectClass); return MOD_RES_PASSTHRU; } +void Module::OnUserMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessage); } +ModResult Module::OnNumeric(User*, const Numeric::Numeric&) { DetachEvent(I_OnNumeric); return MOD_RES_PASSTHRU; } +ModResult Module::OnAcceptConnection(int, ListenSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { DetachEvent(I_OnAcceptConnection); return MOD_RES_PASSTHRU; } +void Module::OnSetUserIP(LocalUser*) { DetachEvent(I_OnSetUserIP); } +void Module::OnServiceAdd(ServiceProvider&) { DetachEvent(I_OnServiceAdd); } +void Module::OnServiceDel(ServiceProvider&) { DetachEvent(I_OnServiceDel); } +ModResult Module::OnUserWrite(LocalUser*, ClientProtocol::Message&) { DetachEvent(I_OnUserWrite); return MOD_RES_PASSTHRU; } +ModResult Module::OnConnectionFail(LocalUser*, BufferedSocketError) { DetachEvent(I_OnConnectionFail); return MOD_RES_PASSTHRU; } +void Module::OnShutdown(const std::string& reason) { DetachEvent(I_OnShutdown); } + +ServiceProvider::ServiceProvider(Module* Creator, const std::string& Name, ServiceType Type) + : creator(Creator), name(Name), service(Type) +{ + if ((ServerInstance) && (ServerInstance->Modules->NewServices)) + ServerInstance->Modules->NewServices->push_back(this); +} + +void ServiceProvider::DisableAutoRegister() +{ + if ((ServerInstance) && (ServerInstance->Modules->NewServices)) + stdalgo::erase(*ServerInstance->Modules->NewServices, this); +} + +ModuleManager::ModuleManager() { } @@ -207,7 +177,7 @@ ModuleManager::~ModuleManager() bool ModuleManager::Attach(Implementation i, Module* mod) { - if (std::find(EventHandlers[i].begin(), EventHandlers[i].end(), mod) != EventHandlers[i].end()) + if (stdalgo::isin(EventHandlers[i], mod)) return false; EventHandlers[i].push_back(mod); @@ -216,13 +186,7 @@ bool ModuleManager::Attach(Implementation i, Module* mod) bool ModuleManager::Detach(Implementation i, Module* mod) { - EventHandlerIter x = std::find(EventHandlers[i].begin(), EventHandlers[i].end(), mod); - - if (x == EventHandlers[i].end()) - return false; - - EventHandlers[i].erase(x); - return true; + return stdalgo::erase(EventHandlers[i], mod); } void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz) @@ -231,21 +195,25 @@ void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz) Attach(i[n], mod); } +void ModuleManager::AttachAll(Module* mod) +{ + for (size_t i = 0; i != I_END; ++i) + Attach((Implementation)i, mod); +} + void ModuleManager::DetachAll(Module* mod) { - for (size_t n = I_BEGIN + 1; n != I_END; ++n) + for (size_t n = 0; n != I_END; ++n) Detach((Implementation)n, mod); } -bool ModuleManager::SetPriority(Module* mod, PriorityState s) +void ModuleManager::SetPriority(Module* mod, Priority s) { - for (size_t n = I_BEGIN + 1; n != I_END; ++n) + for (size_t n = 0; n != I_END; ++n) SetPriority(mod, (Implementation)n, s); - - return true; } -bool ModuleManager::SetPriority(Module* mod, Implementation i, PriorityState s, Module** modules, size_t sz) +bool ModuleManager::SetPriority(Module* mod, Implementation i, Priority s, Module* which) { /** To change the priority of a module, we first find its position in the vector, * then we find the position of the other modules in the vector that this module @@ -253,10 +221,7 @@ bool ModuleManager::SetPriority(Module* mod, Implementation i, PriorityState s, * on which they want, and we make sure our module is *at least* before or after * the first or last of this subset, depending again on the type of priority. */ - size_t swap_pos = 0; - size_t source = 0; - bool swap = true; - bool found = false; + size_t my_pos = 0; /* Locate our module. This is O(n) but it only occurs on module load so we're * not too bothered about it @@ -265,86 +230,81 @@ bool ModuleManager::SetPriority(Module* mod, Implementation i, PriorityState s, { if (EventHandlers[i][x] == mod) { - source = x; - found = true; - break; + my_pos = x; + goto found_src; } } /* Eh? this module doesnt exist, probably trying to set priority on an event - * theyre not attached to. + * they're not attached to. */ - if (!found) - return false; + return false; +found_src: + // The modules registered for a hook are called in reverse order (to allow for easier removal + // of list entries while looping), meaning that the Priority given to us has the exact opposite effect + // on the list, e.g.: PRIORITY_BEFORE will actually put 'mod' after 'which', etc. + size_t swap_pos = my_pos; switch (s) { - /* Dummy value */ - case PRIO_DONTCARE: - swap = false; - break; - /* Module wants to be first, sod everything else */ - case PRIO_FIRST: - swap_pos = 0; - break; - /* Module is submissive and wants to be last... awww. */ - case PRIO_LAST: - if (EventHandlers[i].empty()) + case PRIORITY_LAST: + if (prioritizationState != PRIO_STATE_FIRST) + return true; + else swap_pos = 0; + break; + case PRIORITY_FIRST: + if (prioritizationState != PRIO_STATE_FIRST) + return true; else swap_pos = EventHandlers[i].size() - 1; - break; - /* Place this module after a set of other modules */ - case PRIO_AFTER: + break; + case PRIORITY_BEFORE: { - /* Find the latest possible position */ - swap_pos = 0; - swap = false; - for (size_t x = 0; x != EventHandlers[i].size(); ++x) + /* Find the latest possible position, only searching AFTER our position */ + for (size_t x = EventHandlers[i].size() - 1; x > my_pos; --x) { - for (size_t n = 0; n < sz; ++n) + if (EventHandlers[i][x] == which) { - if ((modules[n]) && (EventHandlers[i][x] == modules[n]) && (x >= swap_pos) && (source <= swap_pos)) - { - swap_pos = x; - swap = true; - } + swap_pos = x; + goto swap_now; } } + // didn't find it - either not loaded or we're already after + return true; } - break; /* Place this module before a set of other modules */ - case PRIO_BEFORE: + case PRIORITY_AFTER: { - swap_pos = EventHandlers[i].size() - 1; - swap = false; - for (size_t x = 0; x != EventHandlers[i].size(); ++x) + for (size_t x = 0; x < my_pos; ++x) { - for (size_t n = 0; n < sz; ++n) + if (EventHandlers[i][x] == which) { - if ((modules[n]) && (EventHandlers[i][x] == modules[n]) && (x <= swap_pos) && (source >= swap_pos)) - { - swap = true; - swap_pos = x; - } + swap_pos = x; + goto swap_now; } } + // didn't find it - either not loaded or we're already before + return true; } - break; } +swap_now: /* Do we need to swap? */ - if (swap && (swap_pos != source)) + if (swap_pos != my_pos) { + // We are going to change positions; we'll need to run again to verify all requirements + if (prioritizationState == PRIO_STATE_LAST) + prioritizationState = PRIO_STATE_AGAIN; /* Suggestion from Phoenix, "shuffle" the modules to better retain call order */ int incrmnt = 1; - if (source > swap_pos) + if (my_pos > swap_pos) incrmnt = -1; - for (unsigned int j = source; j != swap_pos; j += incrmnt) + for (unsigned int j = my_pos; j != swap_pos; j += incrmnt) { - if (( j + incrmnt > EventHandlers[i].size() - 1) || (j + incrmnt < 0)) + if ((j + incrmnt > EventHandlers[i].size() - 1) || ((incrmnt == -1) && (j == 0))) continue; std::swap(EventHandlers[i][j], EventHandlers[i][j+incrmnt]); @@ -354,636 +314,397 @@ bool ModuleManager::SetPriority(Module* mod, Implementation i, PriorityState s, return true; } -std::string& ModuleManager::LastError() +bool ModuleManager::PrioritizeHooks() { - return LastModuleError; -} - -bool ModuleManager::Load(const char* filename) -{ - /* Do we have a glob pattern in the filename? - * The user wants to load multiple modules which - * match the pattern. + /* We give every module a chance to re-prioritize when we introduce a new one, + * not just the one that's loading, as the new module could affect the preference + * of others */ - if (strchr(filename,'*') || (strchr(filename,'?'))) + for (int tries = 0; tries < 20; tries++) { - int n_match = 0; - DIR* library = opendir(Instance->Config->ModPath); - if (library) + prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST; + for (std::map::iterator n = Modules.begin(); n != Modules.end(); ++n) + n->second->Prioritize(); + + if (prioritizationState == PRIO_STATE_LAST) + break; + if (tries == 19) { - /* Try and locate and load all modules matching the pattern */ - dirent* entry = NULL; - while (0 != (entry = readdir(library))) - { - if (InspIRCd::Match(entry->d_name, filename, ascii_case_insensitive_map)) - { - if (!this->Load(entry->d_name)) - n_match++; - } - } - closedir(library); + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected"); + return false; } - /* Loadmodule will now return false if any one of the modules failed - * to load (but wont abort when it encounters a bad one) and when 1 or - * more modules were actually loaded. - */ - return (n_match > 0); } + return true; +} - char modfile[MAXBUF]; - snprintf(modfile,MAXBUF,"%s/%s",Instance->Config->ModPath,filename); - std::string filename_str = filename; +bool ModuleManager::CanUnload(Module* mod) +{ + std::map::iterator modfind = Modules.find(mod->ModuleSourceFile); - if (!ServerConfig::DirValid(modfile)) + if ((modfind == Modules.end()) || (modfind->second != mod) || (mod->dying)) { - LastModuleError = "Module " + std::string(filename) + " is not in the module directory that i am configured to look in (is "+Instance->Config->ModPath+" really a symlink?)"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); + LastModuleError = "Module " + mod->ModuleSourceFile + " is not loaded, cannot unload it!"; + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError); return false; } - - if (!ServerConfig::FileExists(modfile)) + + mod->dying = true; + return true; +} + +void ModuleManager::UnregisterModes(Module* mod, ModeType modetype) +{ + const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes.GetModes(modetype); + for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); ) { - LastModuleError = "Module file could not be found: " + filename_str; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - - if (Modules.find(filename_str) != Modules.end()) - { - LastModuleError = "Module " + filename_str + " is already loaded, cannot load a module twice!"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; + ModeHandler* const mh = i->second; + ++i; + if (mh->creator == mod) + this->DelService(*mh); } - - Module* newmod = NULL; - ircd_module* newhandle = NULL; +} - try - { - /* This will throw a CoreException if there's a problem loading - * the module file or getting a pointer to the init_module symbol. - */ - newhandle = new ircd_module(Instance, modfile, "init_module"); - newmod = newhandle->CallInit(); +void ModuleManager::DoSafeUnload(Module* mod) +{ + // First, notify all modules that a module is about to be unloaded, so in case + // they pass execution to the soon to be unloaded module, it will happen now, + // i.e. before we unregister the services of the module being unloaded + FOREACH_MOD(OnUnloadModule, (mod)); - if (newmod) - { - Version v = newmod->GetVersion(); + std::map::iterator modfind = Modules.find(mod->ModuleSourceFile); - if (v.API != API_VERSION) - { - DetachAll(newmod); - delete newmod; - delete newhandle; - LastModuleError = "Unable to load " + filename_str + ": Incorrect module API version: " + ConvToStr(v.API) + " (our version: " + ConvToStr(API_VERSION) + ")"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - else - { - Instance->Logs->Log("MODULE", DEFAULT,"New module introduced: %s (API version %d, Module version %s)%s", filename, v.API, v.version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]")); - } + // Unregister modes before extensions because modes may require their extension to show the mode being unset + UnregisterModes(mod, MODETYPE_USER); + UnregisterModes(mod, MODETYPE_CHANNEL); - Modules[filename_str] = std::make_pair(newhandle, newmod); - } - else + std::vector > items; + ServerInstance->Extensions.BeginUnregister(modfind->second, items); + /* Give the module a chance to tidy out all its metadata */ + const chan_hash& chans = ServerInstance->GetChans(); + for (chan_hash::const_iterator c = chans.begin(); c != chans.end(); ) + { + Channel* chan = c->second; + ++c; + mod->OnCleanup(ExtensionItem::EXT_CHANNEL, chan); + chan->doUnhookExtensions(items); + const Channel::MemberMap& users = chan->GetUsers(); + for (Channel::MemberMap::const_iterator mi = users.begin(); mi != users.end(); ++mi) { - delete newhandle; - LastModuleError = "Unable to load " + filename_str + ": Probably missing init_module() entrypoint, but dlsym() didn't notice a problem"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; + mod->OnCleanup(ExtensionItem::EXT_MEMBERSHIP, mi->second); + mi->second->doUnhookExtensions(items); } } - /** XXX: Is there anything we can do about this mess? -- Brain */ - catch (LoadModuleException& modexcept) - { - DetachAll(newmod); - if (newmod) - delete newmod; - if (newhandle) - delete newhandle; - LastModuleError = "Unable to load " + filename_str + ": Error when loading: " + modexcept.GetReason(); - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - catch (FindSymbolException& modexcept) + + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator u = users.begin(); u != users.end(); ) { - DetachAll(newmod); - if (newmod) - delete newmod; - if (newhandle) - delete newhandle; - LastModuleError = "Unable to load " + filename_str + ": Error finding symbol: " + modexcept.GetReason(); - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; + User* user = u->second; + // The module may quit the user (e.g. TLS (SSL) mod unloading) and that will remove it from the container + ++u; + mod->OnCleanup(ExtensionItem::EXT_USER, user); + user->doUnhookExtensions(items); } - catch (CoreException& modexcept) + + for(std::multimap::iterator i = DataProviders.begin(); i != DataProviders.end(); ) { - DetachAll(newmod); - if (newmod) - delete newmod; - if (newhandle) - delete newhandle; - LastModuleError = "Unable to load " + filename_str + ": " + modexcept.GetReason(); - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; + std::multimap::iterator curr = i++; + if (curr->second->creator == mod) + DataProviders.erase(curr); } - this->ModCount++; - FOREACH_MOD_I(Instance,I_OnLoadModule,OnLoadModule(newmod, filename_str)); + dynamic_reference_base::reset_all(); - /* We give every module a chance to re-prioritize when we introduce a new one, - * not just the one thats loading, as the new module could affect the preference - * of others - */ - for (std::map >::iterator n = Modules.begin(); n != Modules.end(); ++n) - n->second.second->Prioritize(); + DetachAll(mod); - Instance->BuildISupport(); - return true; + Modules.erase(modfind); + ServerInstance->GlobalCulls.AddItem(mod); + + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Module %s unloaded",mod->ModuleSourceFile.c_str()); + ServerInstance->ISupport.Build(); } -bool ModuleManager::Unload(const char* filename) +void ModuleManager::UnloadAll() { - std::string filename_str(filename); - std::map >::iterator modfind = Modules.find(filename); - - if (modfind != Modules.end()) + /* We do this more than once, so that any service providers get a + * chance to be unhooked by the modules using them, but then get + * a chance to be removed themsleves. + * + * Note: this deliberately does NOT delete the DLLManager objects + */ + for (int tries = 0; tries < 4; tries++) { - if (modfind->second.second->GetVersion().Flags & VF_STATIC) - { - LastModuleError = "Module " + filename_str + " not unloadable (marked static)"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - std::pair intercount = GetInterfaceInstanceCount(modfind->second.second); - if (intercount.first > 0) - { - LastModuleError = "Failed to unload module " + filename_str + ", being used by " + ConvToStr(intercount.first) + " other(s) via interface '" + intercount.second + "'"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - - /* Give the module a chance to tidy out all its metadata */ - for (chan_hash::iterator c = Instance->chanlist->begin(); c != Instance->chanlist->end(); c++) - { - modfind->second.second->OnCleanup(TYPE_CHANNEL,c->second); - } - for (user_hash::iterator u = Instance->Users->clientlist->begin(); u != Instance->Users->clientlist->end(); u++) + std::map::iterator i = Modules.begin(); + while (i != Modules.end()) { - modfind->second.second->OnCleanup(TYPE_USER,u->second); + std::map::iterator me = i++; + if (CanUnload(me->second)) + { + DoSafeUnload(me->second); + } } - - /* Tidy up any dangling resolvers */ - Instance->Res->CleanResolvers(modfind->second.second); - - - FOREACH_MOD_I(Instance,I_OnUnloadModule,OnUnloadModule(modfind->second.second, modfind->first)); - - this->DetachAll(modfind->second.second); - - Instance->Parser->RemoveCommands(filename); - - delete modfind->second.second; - delete modfind->second.first; - Modules.erase(modfind); - - Instance->Logs->Log("MODULE", DEFAULT,"Module %s unloaded",filename); - this->ModCount--; - Instance->BuildISupport(); - return true; + ServerInstance->GlobalCulls.Apply(); } - - LastModuleError = "Module " + filename_str + " is not loaded, cannot unload it!"; - Instance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; } -/* We must load the modules AFTER initializing the socket engine, now */ -void ModuleManager::LoadAll() +namespace { - char configToken[MAXBUF]; - ModCount = -1; - - for(int count = 0; count < Instance->Config->ConfValueEnum(Instance->Config->config_data, "module"); count++) + struct UnloadAction : public ActionBase { - Instance->Config->ConfValue(Instance->Config->config_data, "module", "name", count, configToken, MAXBUF); - printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",configToken); - - if (!this->Load(configToken)) + Module* const mod; + UnloadAction(Module* m) : mod(m) {} + void Call() CXX11_OVERRIDE { - Instance->Logs->Log("MODULE", DEFAULT, this->LastError()); - printf_c("\n[\033[1;31m*\033[0m] %s\n\n", this->LastError().c_str()); - Instance->Exit(EXIT_STATUS_MODULE); + ServerInstance->Modules->DoSafeUnload(mod); + ServerInstance->GlobalCulls.Apply(); + ServerInstance->GlobalCulls.AddItem(this); } - } + }; } -bool ModuleManager::PublishFeature(const std::string &FeatureName, Module* Mod) +bool ModuleManager::Unload(Module* mod) { - if (Features.find(FeatureName) == Features.end()) - { - Features[FeatureName] = Mod; - return true; - } - return false; -} - -bool ModuleManager::UnpublishFeature(const std::string &FeatureName) -{ - featurelist::iterator iter = Features.find(FeatureName); - - if (iter == Features.end()) + if (!CanUnload(mod)) return false; - - Features.erase(iter); + ServerInstance->AtomicActions.AddAction(new UnloadAction(mod)); return true; } -Module* ModuleManager::FindFeature(const std::string &FeatureName) +void ModuleManager::LoadAll() { - featurelist::iterator iter = Features.find(FeatureName); - - if (iter == Features.end()) - return NULL; + std::map servicemap; + LoadCoreModules(servicemap); - return iter->second; -} + // Step 1: load all of the modules. + ConfigTagList tags = ServerInstance->Config->ConfTags("module"); + for (ConfigIter i = tags.first; i != tags.second; ++i) + { + ConfigTag* tag = i->second; + std::string name = ExpandModName(tag->getString("name")); -bool ModuleManager::PublishInterface(const std::string &InterfaceName, Module* Mod) -{ - interfacelist::iterator iter = Interfaces.find(InterfaceName); + // Skip modules which are already loaded. + if (Modules.find(name) != Modules.end()) + continue; - if (iter == Interfaces.end()) - { - modulelist ml; - ml.push_back(Mod); - Interfaces[InterfaceName] = std::make_pair(0, ml); + this->NewServices = &servicemap[name]; + std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl; + if (!this->Load(name, true)) + { + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError()); + std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl; + ServerInstance->Exit(EXIT_STATUS_MODULE); + } } - else + + // Step 2: initialize the modules and register their services. + for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i) { - iter->second.second.push_back(Mod); + Module* mod = i->second; + try + { + ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str()); + AttachAll(mod); + AddServices(servicemap[i->first]); + mod->init(); + } + catch (CoreException& modexcept) + { + LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason(); + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError); + std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl; + ServerInstance->Exit(EXIT_STATUS_MODULE); + } } - return true; -} -bool ModuleManager::UnpublishInterface(const std::string &InterfaceName, Module* Mod) -{ - interfacelist::iterator iter = Interfaces.find(InterfaceName); + this->NewServices = NULL; + ConfigStatus confstatus(NULL, true); - if (iter == Interfaces.end()) - return false; - - for (modulelist::iterator x = iter->second.second.begin(); x != iter->second.second.end(); x++) + // Step 3: Read the configuration for the modules. This must be done as part of + // its own step so that services provided by modules can be registered before + // the configuration is read. + for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i) { - if (*x == Mod) + Module* mod = i->second; + try { - iter->second.second.erase(x); - if (iter->second.second.empty()) - Interfaces.erase(InterfaceName); - return true; + ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Reading configuration for %s", i->first.c_str()); + mod->ReadConfig(confstatus); + } + catch (CoreException& modexcept) + { + LastModuleError = "Unable to read the configuration for " + mod->ModuleSourceFile + ": " + modexcept.GetReason(); + ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError); + std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl; + ServerInstance->Exit(EXIT_STATUS_CONFIG); } } - return false; + + if (!PrioritizeHooks()) + ServerInstance->Exit(EXIT_STATUS_MODULE); } -modulelist* ModuleManager::FindInterface(const std::string &InterfaceName) +std::string& ModuleManager::LastError() { - interfacelist::iterator iter = Interfaces.find(InterfaceName); - if (iter == Interfaces.end()) - return NULL; - else - return &(iter->second.second); + return LastModuleError; } -bool ModuleManager::ModuleHasInterface(Module* mod, const std::string& InterfaceName) +void ModuleManager::AddServices(const ServiceList& list) { - interfacelist::iterator iter = Interfaces.find(InterfaceName); - if (iter == Interfaces.end()) - return false; - else + for (ServiceList::const_iterator i = list.begin(); i != list.end(); ++i) { - modulelist& ml = iter->second.second; - modulelist::iterator mi = std::find(ml.begin(), ml.end(), mod); - return (mi != ml.end()); + ServiceProvider& s = **i; + AddService(s); } } -void ModuleManager::UseInterface(const std::string &InterfaceName) +void ModuleManager::AddService(ServiceProvider& item) { - interfacelist::iterator iter = Interfaces.find(InterfaceName); - if (iter != Interfaces.end()) - iter->second.first++; - -} - -void ModuleManager::DoneWithInterface(const std::string &InterfaceName) -{ - interfacelist::iterator iter = Interfaces.find(InterfaceName); - if (iter != Interfaces.end()) - iter->second.first--; -} - -std::pair ModuleManager::GetInterfaceInstanceCount(Module* m) -{ - for (interfacelist::iterator iter = Interfaces.begin(); iter != Interfaces.end(); iter++) + switch (item.service) { - for (modulelist::iterator x = iter->second.second.begin(); x != iter->second.second.end(); x++) + case SERVICE_DATA: + case SERVICE_IOHOOK: { - if (*x == m) + if ((!item.name.compare(0, 5, "mode/", 5)) || (!item.name.compare(0, 6, "umode/", 6))) + throw ModuleException("The \"mode/\" and the \"umode\" service name prefixes are reserved."); + + DataProviders.insert(std::make_pair(item.name, &item)); + std::string::size_type slash = item.name.find('/'); + if (slash != std::string::npos) { - return std::make_pair(iter->second.first, iter->first); + DataProviders.insert(std::make_pair(item.name.substr(0, slash), &item)); + DataProviders.insert(std::make_pair(item.name.substr(slash + 1), &item)); } + dynamic_reference_base::reset_all(); + break; } + default: + item.RegisterService(); } - return std::make_pair(0, ""); + + FOREACH_MOD(OnServiceAdd, (item)); } -const std::string& ModuleManager::GetModuleName(Module* m) +void ModuleManager::DelService(ServiceProvider& item) { - static std::string nothing; - - for (std::map >::iterator n = Modules.begin(); n != Modules.end(); ++n) + switch (item.service) { - if (n->second.second == m) - return n->first; + case SERVICE_MODE: + if (!ServerInstance->Modes->DelMode(static_cast(&item))) + throw ModuleException("Mode "+std::string(item.name)+" does not exist."); + // Fall through + case SERVICE_DATA: + case SERVICE_IOHOOK: + { + DelReferent(&item); + return; + } + default: + throw ModuleException("Cannot delete unknown service type"); } - return nothing; + FOREACH_MOD(OnServiceDel, (item)); } -/* This is ugly, yes, but hash_map's arent designed to be - * addressed in this manner, and this is a bit of a kludge. - * Luckily its a specialist function and rarely used by - * many modules (in fact, it was specially created to make - * m_safelist possible, initially). - */ - -Channel* InspIRCd::GetChannelIndex(long index) +ServiceProvider* ModuleManager::FindService(ServiceType type, const std::string& name) { - int target = 0; - for (chan_hash::iterator n = this->chanlist->begin(); n != this->chanlist->end(); n++, target++) + switch (type) { - if (index == target) - return n->second; + case SERVICE_DATA: + case SERVICE_IOHOOK: + { + std::multimap::iterator i = DataProviders.find(name); + if (i != DataProviders.end() && i->second->service == type) + return i->second; + return NULL; + } + // TODO implement finding of the other types + default: + throw ModuleException("Cannot find unknown service type"); } - return NULL; } -CmdResult InspIRCd::CallCommandHandler(const std::string &commandname, const std::vector& parameters, User* user) +std::string ModuleManager::ExpandModName(const std::string& modname) { - return this->Parser->CallHandler(commandname, parameters, user); + std::string fullname; + if (modname.compare(0, 5, "core_") != 0 && modname.compare(0, 2, "m_") != 0) + fullname.append("m_"); + fullname.append(modname); + if (modname.length() < 3 || modname.compare(modname.size() - 3, 3, ".so") != 0) + fullname.append(".so"); + return fullname; } -bool InspIRCd::IsValidModuleCommand(const std::string &commandname, int pcnt, User* user) +dynamic_reference_base::dynamic_reference_base(Module* Creator, const std::string& Name) + : name(Name), hook(NULL), value(NULL), creator(Creator) { - return this->Parser->IsValidCommand(commandname, pcnt, user); + if (!dynrefs) + dynrefs = new insp::intrusive_list; + dynrefs->push_front(this); + + // Resolve unless there is no ModuleManager (part of class InspIRCd) + if (ServerInstance) + resolve(); } -void InspIRCd::AddCommand(Command *f) +dynamic_reference_base::~dynamic_reference_base() { - if (!this->Parser->CreateCommand(f)) + dynrefs->erase(this); + if (dynrefs->empty()) { - ModuleException err("Command "+std::string(f->command)+" already exists."); - throw (err); + delete dynrefs; + dynrefs = NULL; } } -void InspIRCd::SendMode(const std::vector& parameters, User *user) +void dynamic_reference_base::SetProvider(const std::string& newname) { - this->Modes->Process(parameters, user, true); + name = newname; + resolve(); } -void InspIRCd::DumpText(User* User, const std::string &LinePrefix, std::stringstream &TextStream) +void dynamic_reference_base::resolve() { - std::string CompleteLine = LinePrefix; - std::string Word; - while (TextStream >> Word) + // Because find() may return any element with a matching key in case count(key) > 1 use lower_bound() + // to ensure a dynref with the same name as another one resolves to the same object + std::multimap::iterator i = ServerInstance->Modules.DataProviders.lower_bound(name); + if ((i != ServerInstance->Modules.DataProviders.end()) && (i->first == this->name)) { - if (CompleteLine.length() + Word.length() + 3 > 500) + ServiceProvider* newvalue = i->second; + if (value != newvalue) { - User->WriteServ(CompleteLine); - CompleteLine = LinePrefix; + value = newvalue; + if (hook) + hook->OnCapture(); } - CompleteLine = CompleteLine + Word + " "; } - User->WriteServ(CompleteLine); -} - -User* FindDescriptorHandler::Call(int socket) -{ - return reinterpret_cast(Server->SE->GetRef(socket)); -} - -bool InspIRCd::AddResolver(Resolver* r, bool cached) -{ - if (!cached) - return this->Res->AddResolverClass(r); else - { - r->TriggerCachedResult(); - delete r; - return true; - } + value = NULL; } Module* ModuleManager::Find(const std::string &name) { - std::map >::iterator modfind = Modules.find(name); + std::map::const_iterator modfind = Modules.find(ExpandModName(name)); if (modfind == Modules.end()) return NULL; else - return modfind->second.second; + return modfind->second; } -const std::vector ModuleManager::GetAllModuleNames(int filter) +void ModuleManager::AddReferent(const std::string& name, ServiceProvider* service) { - std::vector retval; - for (std::map >::iterator x = Modules.begin(); x != Modules.end(); ++x) - if (!filter || (x->second.second->GetVersion().Flags & filter)) - retval.push_back(x->first); - return retval; + DataProviders.insert(std::make_pair(name, service)); + dynamic_reference_base::reset_all(); } -ConfigReader::ConfigReader(InspIRCd* Instance) : ServerInstance(Instance) +void ModuleManager::DelReferent(ServiceProvider* service) { - this->errorlog = new std::ostringstream(std::stringstream::in | std::stringstream::out); - this->error = CONF_NO_ERROR; - this->data = &ServerInstance->Config->config_data; - this->privatehash = false; - this->error = 0; -} - - -ConfigReader::~ConfigReader() -{ - if (this->errorlog) - delete this->errorlog; - if(this->privatehash) - delete this->data; -} - - -ConfigReader::ConfigReader(InspIRCd* Instance, const std::string &filename) : ServerInstance(Instance) -{ - ServerInstance->Config->ClearStack(); - - this->error = CONF_NO_ERROR; - this->data = new ConfigDataHash; - this->privatehash = true; - this->errorlog = new std::ostringstream(std::stringstream::in | std::stringstream::out); - /*** XXX: This might block! */ - this->readerror = ServerInstance->Config->DoInclude(*this->data, filename, *this->errorlog); - if (!this->readerror) - this->error = CONF_FILE_NOT_FOUND; - this->error = 0; -} - - -std::string ConfigReader::ReadValue(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool allow_linefeeds) -{ - /* Don't need to strlcpy() tag and name anymore, ReadConf() takes const char* */ - std::string result; - - if (!ServerInstance->Config->ConfValue(*this->data, tag, name, default_value, index, result, allow_linefeeds)) + for (std::multimap::iterator i = DataProviders.begin(); i != DataProviders.end(); ) { - this->error = CONF_VALUE_NOT_FOUND; - } - return result; -} - -std::string ConfigReader::ReadValue(const std::string &tag, const std::string &name, int index, bool allow_linefeeds) -{ - return ReadValue(tag, name, "", index, allow_linefeeds); -} - -bool ConfigReader::ReadFlag(const std::string &tag, const std::string &name, const std::string &default_value, int index) -{ - return ServerInstance->Config->ConfValueBool(*this->data, tag, name, default_value, index); -} - -bool ConfigReader::ReadFlag(const std::string &tag, const std::string &name, int index) -{ - return ReadFlag(tag, name, "", index); -} - - -int ConfigReader::ReadInteger(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool need_positive) -{ - int result; - - if(!ServerInstance->Config->ConfValueInteger(*this->data, tag, name, default_value, index, result)) - { - this->error = CONF_VALUE_NOT_FOUND; - return 0; - } - - if ((need_positive) && (result < 0)) - { - this->error = CONF_INT_NEGATIVE; - return 0; - } - - return result; -} - -int ConfigReader::ReadInteger(const std::string &tag, const std::string &name, int index, bool need_positive) -{ - return ReadInteger(tag, name, "", index, need_positive); -} - -long ConfigReader::GetError() -{ - long olderr = this->error; - this->error = 0; - return olderr; -} - -void ConfigReader::DumpErrors(bool bail, User* user) -{ - ServerInstance->Config->ReportConfigError(this->errorlog->str(), bail, user->uuid); -} - - -int ConfigReader::Enumerate(const std::string &tag) -{ - return ServerInstance->Config->ConfValueEnum(*this->data, tag); -} - -int ConfigReader::EnumerateValues(const std::string &tag, int index) -{ - return ServerInstance->Config->ConfVarEnum(*this->data, tag, index); -} - -bool ConfigReader::Verify() -{ - return this->readerror; -} - - -FileReader::FileReader(InspIRCd* Instance, const std::string &filename) : ServerInstance(Instance) -{ - LoadFile(filename); -} - -FileReader::FileReader(InspIRCd* Instance) : ServerInstance(Instance) -{ -} - -std::string FileReader::Contents() -{ - std::string x; - for (file_cache::iterator a = this->fc.begin(); a != this->fc.end(); a++) - { - x.append(*a); - x.append("\r\n"); - } - return x; -} - -unsigned long FileReader::ContentSize() -{ - return this->contentsize; -} - -void FileReader::CalcSize() -{ - unsigned long n = 0; - for (file_cache::iterator a = this->fc.begin(); a != this->fc.end(); a++) - n += (a->length() + 2); - this->contentsize = n; -} - -void FileReader::LoadFile(const std::string &filename) -{ - file_cache c; - c.clear(); - if (ServerInstance->Config->ReadFile(c,filename.c_str())) - { - this->fc = c; - this->CalcSize(); + ServiceProvider* curr = i->second; + if (curr == service) + DataProviders.erase(i++); + else + ++i; } -} - - -FileReader::~FileReader() -{ -} - -bool FileReader::Exists() -{ - return (!(fc.size() == 0)); -} - -std::string FileReader::GetLine(int x) -{ - if ((x<0) || ((unsigned)x>fc.size())) - return ""; - return fc[x]; -} - -int FileReader::FileSize() -{ - return fc.size(); + dynamic_reference_base::reset_all(); }