2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
5 * Copyright (C) 2019 nia <nia@netbsd.org>
6 * Copyright (C) 2019 iwalkalone <iwalkalone69@gmail.com>
7 * Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
8 * Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
9 * Copyright (C) 2013 Adam <Adam@anope.org>
10 * Copyright (C) 2012-2016, 2018 Attila Molnar <attilamolnar@hush.com>
11 * Copyright (C) 2012 Robby <robby@chatbelgie.be>
12 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
13 * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
14 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
15 * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
16 * Copyright (C) 2007 Oliver Lupton <om@inspircd.org>
17 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
18 * Copyright (C) 2006-2010 Craig Edwards <brain@inspircd.org>
20 * This file is part of InspIRCd. InspIRCd is free software: you can
21 * redistribute it and/or modify it under the terms of the GNU General Public
22 * License as published by the Free Software Foundation, version 2.
24 * This program is distributed in the hope that it will be useful, but WITHOUT
25 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
26 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
35 #include "exitcodes.h"
38 static insp::intrusive_list<dynamic_reference_base>* dynrefs = NULL;
40 void dynamic_reference_base::reset_all()
44 for (insp::intrusive_list<dynamic_reference_base>::iterator i = dynrefs->begin(); i != dynrefs->end(); ++i)
48 // Version is a simple class for holding a modules version number
49 Version::Version(const std::string &desc, int flags) : description(desc), Flags(flags)
53 Version::Version(const std::string &desc, int flags, const std::string& linkdata)
54 : description(desc), Flags(flags), link_data(linkdata)
58 // These declarations define the behavours of the base class Module (which does nothing at all)
61 : ModuleDLLManager(NULL)
66 CullResult Module::cull()
69 ServerInstance->GlobalCulls.AddItem(ModuleDLLManager);
70 return classbase::cull();
77 void Module::DetachEvent(Implementation i)
79 ServerInstance->Modules->Detach(i, this);
82 void Module::ReadConfig(ConfigStatus& status) { }
83 ModResult Module::OnSendSnotice(char &snomask, std::string &type, const std::string &message) { DetachEvent(I_OnSendSnotice); return MOD_RES_PASSTHRU; }
84 void Module::OnUserConnect(LocalUser*) { DetachEvent(I_OnUserConnect); }
85 ModResult Module::OnUserPreQuit(LocalUser*, std::string&, std::string&) { DetachEvent(I_OnUserPreQuit); return MOD_RES_PASSTHRU; }
86 void Module::OnUserQuit(User*, const std::string&, const std::string&) { DetachEvent(I_OnUserQuit); }
87 void Module::OnUserDisconnect(LocalUser*) { DetachEvent(I_OnUserDisconnect); }
88 void Module::OnUserJoin(Membership*, bool, bool, CUList&) { DetachEvent(I_OnUserJoin); }
89 void Module::OnPostJoin(Membership*) { DetachEvent(I_OnPostJoin); }
90 void Module::OnUserPart(Membership*, std::string&, CUList&) { DetachEvent(I_OnUserPart); }
91 void Module::OnPreRehash(User*, const std::string&) { DetachEvent(I_OnPreRehash); }
92 void Module::OnModuleRehash(User*, const std::string&) { DetachEvent(I_OnModuleRehash); }
93 ModResult Module::OnUserPreJoin(LocalUser*, Channel*, const std::string&, std::string&, const std::string&) { DetachEvent(I_OnUserPreJoin); return MOD_RES_PASSTHRU; }
94 void Module::OnMode(User*, User*, Channel*, const Modes::ChangeList&, ModeParser::ModeProcessFlag) { DetachEvent(I_OnMode); }
95 void Module::OnOper(User*, const std::string&) { DetachEvent(I_OnOper); }
96 void Module::OnPostOper(User*, const std::string&, const std::string &) { DetachEvent(I_OnPostOper); }
97 void Module::OnPostDeoper(User*) { DetachEvent(I_OnPostDeoper); }
98 ModResult Module::OnUserPreInvite(User*, User*, Channel*, time_t) { DetachEvent(I_OnUserPreInvite); return MOD_RES_PASSTHRU; }
99 ModResult Module::OnUserPreMessage(User*, const MessageTarget&, MessageDetails&) { DetachEvent(I_OnUserPreMessage); return MOD_RES_PASSTHRU; }
100 ModResult Module::OnUserPreNick(LocalUser*, const std::string&) { DetachEvent(I_OnUserPreNick); return MOD_RES_PASSTHRU; }
101 void Module::OnUserPostNick(User*, const std::string&) { DetachEvent(I_OnUserPostNick); }
102 ModResult Module::OnPreMode(User*, User*, Channel*, Modes::ChangeList&) { DetachEvent(I_OnPreMode); return MOD_RES_PASSTHRU; }
103 void Module::On005Numeric(std::map<std::string, std::string>&) { DetachEvent(I_On005Numeric); }
104 ModResult Module::OnKill(User*, User*, const std::string&) { DetachEvent(I_OnKill); return MOD_RES_PASSTHRU; }
105 void Module::OnLoadModule(Module*) { DetachEvent(I_OnLoadModule); }
106 void Module::OnUnloadModule(Module*) { DetachEvent(I_OnUnloadModule); }
107 void Module::OnBackgroundTimer(time_t) { DetachEvent(I_OnBackgroundTimer); }
108 ModResult Module::OnPreCommand(std::string&, CommandBase::Params&, LocalUser*, bool) { DetachEvent(I_OnPreCommand); return MOD_RES_PASSTHRU; }
109 void Module::OnPostCommand(Command*, const CommandBase::Params&, LocalUser*, CmdResult, bool) { DetachEvent(I_OnPostCommand); }
110 void Module::OnCommandBlocked(const std::string&, const CommandBase::Params&, LocalUser*) { DetachEvent(I_OnCommandBlocked); }
111 void Module::OnUserInit(LocalUser*) { DetachEvent(I_OnUserInit); }
112 void Module::OnUserPostInit(LocalUser*) { DetachEvent(I_OnUserPostInit); }
113 ModResult Module::OnCheckReady(LocalUser*) { DetachEvent(I_OnCheckReady); return MOD_RES_PASSTHRU; }
114 ModResult Module::OnUserRegister(LocalUser*) { DetachEvent(I_OnUserRegister); return MOD_RES_PASSTHRU; }
115 ModResult Module::OnUserPreKick(User*, Membership*, const std::string&) { DetachEvent(I_OnUserPreKick); return MOD_RES_PASSTHRU; }
116 void Module::OnUserKick(User*, Membership*, const std::string&, CUList&) { DetachEvent(I_OnUserKick); }
117 ModResult Module::OnRawMode(User*, Channel*, ModeHandler*, const std::string&, bool) { DetachEvent(I_OnRawMode); return MOD_RES_PASSTHRU; }
118 ModResult Module::OnCheckInvite(User*, Channel*) { DetachEvent(I_OnCheckInvite); return MOD_RES_PASSTHRU; }
119 ModResult Module::OnCheckKey(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckKey); return MOD_RES_PASSTHRU; }
120 ModResult Module::OnCheckLimit(User*, Channel*) { DetachEvent(I_OnCheckLimit); return MOD_RES_PASSTHRU; }
121 ModResult Module::OnCheckChannelBan(User*, Channel*) { DetachEvent(I_OnCheckChannelBan); return MOD_RES_PASSTHRU; }
122 ModResult Module::OnCheckBan(User*, Channel*, const std::string&) { DetachEvent(I_OnCheckBan); return MOD_RES_PASSTHRU; }
123 ModResult Module::OnExtBanCheck(User*, Channel*, char) { DetachEvent(I_OnExtBanCheck); return MOD_RES_PASSTHRU; }
124 ModResult Module::OnPreChangeHost(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeHost); return MOD_RES_PASSTHRU; }
125 ModResult Module::OnPreChangeRealName(LocalUser*, const std::string&) { DetachEvent(I_OnPreChangeRealName); return MOD_RES_PASSTHRU; }
126 ModResult Module::OnPreTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPreTopicChange); return MOD_RES_PASSTHRU; }
127 ModResult Module::OnPassCompare(Extensible* ex, const std::string &password, const std::string &input, const std::string& hashtype) { DetachEvent(I_OnPassCompare); return MOD_RES_PASSTHRU; }
128 void Module::OnPostConnect(User*) { DetachEvent(I_OnPostConnect); }
129 void Module::OnUserPostMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserPostMessage); }
130 void Module::OnUserMessageBlocked(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessageBlocked); }
131 void Module::OnUserInvite(User*, User*, Channel*, time_t, unsigned int, CUList&) { DetachEvent(I_OnUserInvite); }
132 void Module::OnPostTopicChange(User*, Channel*, const std::string&) { DetachEvent(I_OnPostTopicChange); }
133 void Module::OnDecodeMetaData(Extensible*, const std::string&, const std::string&) { DetachEvent(I_OnDecodeMetaData); }
134 void Module::OnChangeHost(User*, const std::string&) { DetachEvent(I_OnChangeHost); }
135 void Module::OnChangeRealName(User*, const std::string&) { DetachEvent(I_OnChangeRealName); }
136 void Module::OnChangeIdent(User*, const std::string&) { DetachEvent(I_OnChangeIdent); }
137 void Module::OnAddLine(User*, XLine*) { DetachEvent(I_OnAddLine); }
138 void Module::OnDelLine(User*, XLine*) { DetachEvent(I_OnDelLine); }
139 void Module::OnExpireLine(XLine*) { DetachEvent(I_OnExpireLine); }
140 void Module::OnCleanup(ExtensionItem::ExtensibleType, Extensible*) { }
141 ModResult Module::OnChannelPreDelete(Channel*) { DetachEvent(I_OnChannelPreDelete); return MOD_RES_PASSTHRU; }
142 void Module::OnChannelDelete(Channel*) { DetachEvent(I_OnChannelDelete); }
143 void Module::OnBuildNeighborList(User*, IncludeChanList&, std::map<User*,bool>&) { DetachEvent(I_OnBuildNeighborList); }
144 void Module::OnGarbageCollect() { DetachEvent(I_OnGarbageCollect); }
145 ModResult Module::OnSetConnectClass(LocalUser* user, ConnectClass* myclass) { DetachEvent(I_OnSetConnectClass); return MOD_RES_PASSTHRU; }
146 void Module::OnUserMessage(User*, const MessageTarget&, const MessageDetails&) { DetachEvent(I_OnUserMessage); }
147 ModResult Module::OnNumeric(User*, const Numeric::Numeric&) { DetachEvent(I_OnNumeric); return MOD_RES_PASSTHRU; }
148 ModResult Module::OnAcceptConnection(int, ListenSocket*, irc::sockets::sockaddrs*, irc::sockets::sockaddrs*) { DetachEvent(I_OnAcceptConnection); return MOD_RES_PASSTHRU; }
149 void Module::OnSetUserIP(LocalUser*) { DetachEvent(I_OnSetUserIP); }
150 void Module::OnServiceAdd(ServiceProvider&) { DetachEvent(I_OnServiceAdd); }
151 void Module::OnServiceDel(ServiceProvider&) { DetachEvent(I_OnServiceDel); }
152 ModResult Module::OnUserWrite(LocalUser*, ClientProtocol::Message&) { DetachEvent(I_OnUserWrite); return MOD_RES_PASSTHRU; }
153 ModResult Module::OnConnectionFail(LocalUser*, BufferedSocketError) { DetachEvent(I_OnConnectionFail); return MOD_RES_PASSTHRU; }
154 void Module::OnShutdown(const std::string& reason) { DetachEvent(I_OnShutdown); }
156 ServiceProvider::ServiceProvider(Module* Creator, const std::string& Name, ServiceType Type)
157 : creator(Creator), name(Name), service(Type)
159 if ((ServerInstance) && (ServerInstance->Modules->NewServices))
160 ServerInstance->Modules->NewServices->push_back(this);
163 void ServiceProvider::DisableAutoRegister()
165 if ((ServerInstance) && (ServerInstance->Modules->NewServices))
166 stdalgo::erase(*ServerInstance->Modules->NewServices, this);
169 ModuleManager::ModuleManager()
173 ModuleManager::~ModuleManager()
177 bool ModuleManager::Attach(Implementation i, Module* mod)
179 if (stdalgo::isin(EventHandlers[i], mod))
182 EventHandlers[i].push_back(mod);
186 bool ModuleManager::Detach(Implementation i, Module* mod)
188 return stdalgo::erase(EventHandlers[i], mod);
191 void ModuleManager::Attach(Implementation* i, Module* mod, size_t sz)
193 for (size_t n = 0; n < sz; ++n)
197 void ModuleManager::AttachAll(Module* mod)
199 for (size_t i = 0; i != I_END; ++i)
200 Attach((Implementation)i, mod);
203 void ModuleManager::DetachAll(Module* mod)
205 for (size_t n = 0; n != I_END; ++n)
206 Detach((Implementation)n, mod);
209 void ModuleManager::SetPriority(Module* mod, Priority s)
211 for (size_t n = 0; n != I_END; ++n)
212 SetPriority(mod, (Implementation)n, s);
215 bool ModuleManager::SetPriority(Module* mod, Implementation i, Priority s, Module* which)
217 /** To change the priority of a module, we first find its position in the vector,
218 * then we find the position of the other modules in the vector that this module
219 * wants to be before/after. We pick off either the first or last of these depending
220 * on which they want, and we make sure our module is *at least* before or after
221 * the first or last of this subset, depending again on the type of priority.
225 /* Locate our module. This is O(n) but it only occurs on module load so we're
226 * not too bothered about it
228 for (size_t x = 0; x != EventHandlers[i].size(); ++x)
230 if (EventHandlers[i][x] == mod)
237 /* Eh? this module doesnt exist, probably trying to set priority on an event
238 * they're not attached to.
243 // The modules registered for a hook are called in reverse order (to allow for easier removal
244 // of list entries while looping), meaning that the Priority given to us has the exact opposite effect
245 // on the list, e.g.: PRIORITY_BEFORE will actually put 'mod' after 'which', etc.
246 size_t swap_pos = my_pos;
250 if (prioritizationState != PRIO_STATE_FIRST)
256 if (prioritizationState != PRIO_STATE_FIRST)
259 swap_pos = EventHandlers[i].size() - 1;
261 case PRIORITY_BEFORE:
263 /* Find the latest possible position, only searching AFTER our position */
264 for (size_t x = EventHandlers[i].size() - 1; x > my_pos; --x)
266 if (EventHandlers[i][x] == which)
272 // didn't find it - either not loaded or we're already after
275 /* Place this module before a set of other modules */
278 for (size_t x = 0; x < my_pos; ++x)
280 if (EventHandlers[i][x] == which)
286 // didn't find it - either not loaded or we're already before
292 /* Do we need to swap? */
293 if (swap_pos != my_pos)
295 // We are going to change positions; we'll need to run again to verify all requirements
296 if (prioritizationState == PRIO_STATE_LAST)
297 prioritizationState = PRIO_STATE_AGAIN;
298 /* Suggestion from Phoenix, "shuffle" the modules to better retain call order */
301 if (my_pos > swap_pos)
304 for (unsigned int j = my_pos; j != swap_pos; j += incrmnt)
306 if ((j + incrmnt > EventHandlers[i].size() - 1) || ((incrmnt == -1) && (j == 0)))
309 std::swap(EventHandlers[i][j], EventHandlers[i][j+incrmnt]);
316 bool ModuleManager::PrioritizeHooks()
318 /* We give every module a chance to re-prioritize when we introduce a new one,
319 * not just the one that's loading, as the new module could affect the preference
322 for (int tries = 0; tries < 20; tries++)
324 prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST;
325 for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n)
326 n->second->Prioritize();
328 if (prioritizationState == PRIO_STATE_LAST)
332 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Hook priority dependency loop detected");
339 bool ModuleManager::CanUnload(Module* mod)
341 std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile);
343 if ((modfind == Modules.end()) || (modfind->second != mod) || (mod->dying))
345 LastModuleError = "Module " + mod->ModuleSourceFile + " is not loaded, cannot unload it!";
346 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
354 void ModuleManager::UnregisterModes(Module* mod, ModeType modetype)
356 const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes.GetModes(modetype);
357 for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); )
359 ModeHandler* const mh = i->second;
361 if (mh->creator == mod)
362 this->DelService(*mh);
366 void ModuleManager::DoSafeUnload(Module* mod)
368 // First, notify all modules that a module is about to be unloaded, so in case
369 // they pass execution to the soon to be unloaded module, it will happen now,
370 // i.e. before we unregister the services of the module being unloaded
371 FOREACH_MOD(OnUnloadModule, (mod));
373 std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile);
375 // Unregister modes before extensions because modes may require their extension to show the mode being unset
376 UnregisterModes(mod, MODETYPE_USER);
377 UnregisterModes(mod, MODETYPE_CHANNEL);
379 std::vector<reference<ExtensionItem> > items;
380 ServerInstance->Extensions.BeginUnregister(modfind->second, items);
381 /* Give the module a chance to tidy out all its metadata */
382 const chan_hash& chans = ServerInstance->GetChans();
383 for (chan_hash::const_iterator c = chans.begin(); c != chans.end(); )
385 Channel* chan = c->second;
387 mod->OnCleanup(ExtensionItem::EXT_CHANNEL, chan);
388 chan->doUnhookExtensions(items);
389 const Channel::MemberMap& users = chan->GetUsers();
390 for (Channel::MemberMap::const_iterator mi = users.begin(); mi != users.end(); ++mi)
392 mod->OnCleanup(ExtensionItem::EXT_MEMBERSHIP, mi->second);
393 mi->second->doUnhookExtensions(items);
397 const user_hash& users = ServerInstance->Users->GetUsers();
398 for (user_hash::const_iterator u = users.begin(); u != users.end(); )
400 User* user = u->second;
401 // The module may quit the user (e.g. TLS (SSL) mod unloading) and that will remove it from the container
403 mod->OnCleanup(ExtensionItem::EXT_USER, user);
404 user->doUnhookExtensions(items);
407 for(std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.begin(); i != DataProviders.end(); )
409 std::multimap<std::string, ServiceProvider*>::iterator curr = i++;
410 if (curr->second->creator == mod)
411 DataProviders.erase(curr);
414 dynamic_reference_base::reset_all();
418 Modules.erase(modfind);
419 ServerInstance->GlobalCulls.AddItem(mod);
421 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "Module %s unloaded",mod->ModuleSourceFile.c_str());
422 ServerInstance->ISupport.Build();
425 void ModuleManager::UnloadAll()
427 /* We do this more than once, so that any service providers get a
428 * chance to be unhooked by the modules using them, but then get
429 * a chance to be removed themsleves.
431 * Note: this deliberately does NOT delete the DLLManager objects
433 for (int tries = 0; tries < 4; tries++)
435 std::map<std::string, Module*>::iterator i = Modules.begin();
436 while (i != Modules.end())
438 std::map<std::string, Module*>::iterator me = i++;
439 if (CanUnload(me->second))
441 DoSafeUnload(me->second);
444 ServerInstance->GlobalCulls.Apply();
450 struct UnloadAction : public ActionBase
453 UnloadAction(Module* m) : mod(m) {}
454 void Call() CXX11_OVERRIDE
456 ServerInstance->Modules->DoSafeUnload(mod);
457 ServerInstance->GlobalCulls.Apply();
458 ServerInstance->GlobalCulls.AddItem(this);
463 bool ModuleManager::Unload(Module* mod)
467 ServerInstance->AtomicActions.AddAction(new UnloadAction(mod));
471 void ModuleManager::LoadAll()
473 std::map<std::string, ServiceList> servicemap;
474 LoadCoreModules(servicemap);
476 // Step 1: load all of the modules.
477 ConfigTagList tags = ServerInstance->Config->ConfTags("module");
478 for (ConfigIter i = tags.first; i != tags.second; ++i)
480 ConfigTag* tag = i->second;
481 std::string name = ExpandModName(tag->getString("name"));
482 this->NewServices = &servicemap[name];
484 // Skip modules which are already loaded.
485 if (Modules.find(name) != Modules.end())
488 std::cout << "[" << con_green << "*" << con_reset << "] Loading module:\t" << con_green << name << con_reset << std::endl;
489 if (!this->Load(name, true))
491 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
492 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
493 ServerInstance->Exit(EXIT_STATUS_MODULE);
497 // Step 2: initialize the modules and register their services.
498 for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i)
500 Module* mod = i->second;
503 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Initializing %s", i->first.c_str());
505 AddServices(servicemap[i->first]);
508 catch (CoreException& modexcept)
510 LastModuleError = "Unable to initialize " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
511 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
512 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
513 ServerInstance->Exit(EXIT_STATUS_MODULE);
517 this->NewServices = NULL;
518 ConfigStatus confstatus(NULL, true);
520 // Step 3: Read the configuration for the modules. This must be done as part of
521 // its own step so that services provided by modules can be registered before
522 // the configuration is read.
523 for (ModuleMap::const_iterator i = Modules.begin(); i != Modules.end(); ++i)
525 Module* mod = i->second;
528 ServerInstance->Logs->Log("MODULE", LOG_DEBUG, "Reading configuration for %s", i->first.c_str());
529 mod->ReadConfig(confstatus);
531 catch (CoreException& modexcept)
533 LastModuleError = "Unable to read the configuration for " + mod->ModuleSourceFile + ": " + modexcept.GetReason();
534 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
535 std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << LastModuleError << std::endl << std::endl;
536 ServerInstance->Exit(EXIT_STATUS_CONFIG);
540 if (!PrioritizeHooks())
541 ServerInstance->Exit(EXIT_STATUS_MODULE);
544 std::string& ModuleManager::LastError()
546 return LastModuleError;
549 void ModuleManager::AddServices(const ServiceList& list)
551 for (ServiceList::const_iterator i = list.begin(); i != list.end(); ++i)
553 ServiceProvider& s = **i;
558 void ModuleManager::AddService(ServiceProvider& item)
560 switch (item.service)
565 if ((!item.name.compare(0, 5, "mode/", 5)) || (!item.name.compare(0, 6, "umode/", 6)))
566 throw ModuleException("The \"mode/\" and the \"umode\" service name prefixes are reserved.");
568 DataProviders.insert(std::make_pair(item.name, &item));
569 std::string::size_type slash = item.name.find('/');
570 if (slash != std::string::npos)
572 DataProviders.insert(std::make_pair(item.name.substr(0, slash), &item));
573 DataProviders.insert(std::make_pair(item.name.substr(slash + 1), &item));
575 dynamic_reference_base::reset_all();
579 item.RegisterService();
582 FOREACH_MOD(OnServiceAdd, (item));
585 void ModuleManager::DelService(ServiceProvider& item)
587 switch (item.service)
590 if (!ServerInstance->Modes->DelMode(static_cast<ModeHandler*>(&item)))
591 throw ModuleException("Mode "+std::string(item.name)+" does not exist.");
600 throw ModuleException("Cannot delete unknown service type");
603 FOREACH_MOD(OnServiceDel, (item));
606 ServiceProvider* ModuleManager::FindService(ServiceType type, const std::string& name)
613 std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.find(name);
614 if (i != DataProviders.end() && i->second->service == type)
618 // TODO implement finding of the other types
620 throw ModuleException("Cannot find unknown service type");
624 std::string ModuleManager::ExpandModName(const std::string& modname)
626 std::string fullname;
627 if (modname.compare(0, 5, "core_") != 0 && modname.compare(0, 2, "m_") != 0)
628 fullname.append("m_");
629 fullname.append(modname);
630 if (modname.length() < 3 || modname.compare(modname.size() - 3, 3, ".so") != 0)
631 fullname.append(".so");
635 dynamic_reference_base::dynamic_reference_base(Module* Creator, const std::string& Name)
636 : name(Name), hook(NULL), value(NULL), creator(Creator)
639 dynrefs = new insp::intrusive_list<dynamic_reference_base>;
640 dynrefs->push_front(this);
642 // Resolve unless there is no ModuleManager (part of class InspIRCd)
647 dynamic_reference_base::~dynamic_reference_base()
649 dynrefs->erase(this);
650 if (dynrefs->empty())
657 void dynamic_reference_base::SetProvider(const std::string& newname)
663 void dynamic_reference_base::resolve()
665 // Because find() may return any element with a matching key in case count(key) > 1 use lower_bound()
666 // to ensure a dynref with the same name as another one resolves to the same object
667 std::multimap<std::string, ServiceProvider*>::iterator i = ServerInstance->Modules.DataProviders.lower_bound(name);
668 if ((i != ServerInstance->Modules.DataProviders.end()) && (i->first == this->name))
670 ServiceProvider* newvalue = i->second;
671 if (value != newvalue)
682 Module* ModuleManager::Find(const std::string &name)
684 std::map<std::string, Module*>::const_iterator modfind = Modules.find(ExpandModName(name));
686 if (modfind == Modules.end())
689 return modfind->second;
692 void ModuleManager::AddReferent(const std::string& name, ServiceProvider* service)
694 DataProviders.insert(std::make_pair(name, service));
695 dynamic_reference_base::reset_all();
698 void ModuleManager::DelReferent(ServiceProvider* service)
700 for (std::multimap<std::string, ServiceProvider*>::iterator i = DataProviders.begin(); i != DataProviders.end(); )
702 ServiceProvider* curr = i->second;
704 DataProviders.erase(i++);
708 dynamic_reference_base::reset_all();