diff options
Diffstat (limited to 'src/modules.cpp')
-rw-r--r-- | src/modules.cpp | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/src/modules.cpp b/src/modules.cpp index b3aabf284..a2c4aa6ea 100644 --- a/src/modules.cpp +++ b/src/modules.cpp @@ -322,310 +322,6 @@ std::string& ModuleManager::LastError() return LastModuleError; } -bool ModuleManager::Load(const char* filename) -{ - /* Don't allow people to specify paths for modules, it doesn't work as expected */ - if (strchr(filename, '/')) - return false; - /* Do we have a glob pattern in the filename? - * The user wants to load multiple modules which - * match the pattern. - */ - if (strchr(filename,'*') || (strchr(filename,'?'))) - { - int n_match = 0; - DIR* library = opendir(ServerInstance->Config->ModPath.c_str()); - if (library) - { - /* 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); - } - /* 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 ? false : true); - } - - char modfile[MAXBUF]; - snprintf(modfile,MAXBUF,"%s/%s",ServerInstance->Config->ModPath.c_str(),filename); - std::string filename_str = filename; - - if (!ServerConfig::FileExists(modfile)) - { - LastModuleError = "Module file could not be found: " + filename_str; - ServerInstance->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!"; - ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - - Module* newmod = NULL; - DLLManager* newhandle = new DLLManager(modfile); - - try - { - newmod = newhandle->callInit(); - - if (newmod) - { - newmod->ModuleSourceFile = filename_str; - newmod->ModuleDLLManager = newhandle; - Version v = newmod->GetVersion(); - - ServerInstance->Logs->Log("MODULE", DEFAULT,"New module introduced: %s (Module version %s)%s", - filename, v.version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]")); - - Modules[filename_str] = newmod; - } - else - { - LastModuleError = "Unable to load " + filename_str + ": " + newhandle->LastError(); - ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError); - delete newhandle; - return false; - } - } - catch (CoreException& modexcept) - { - // failure in module constructor - delete newmod; - delete newhandle; - LastModuleError = "Unable to load " + filename_str + ": " + modexcept.GetReason(); - ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - - this->ModCount++; - FOREACH_MOD(I_OnLoadModule,OnLoadModule(newmod)); - - /* 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(int tries = 0; tries < 20; tries++) - { - prioritizationState = tries > 0 ? PRIO_STATE_LAST : PRIO_STATE_FIRST; - for (std::map<std::string, Module*>::iterator n = Modules.begin(); n != Modules.end(); ++n) - n->second->Prioritize(); - - if (prioritizationState == PRIO_STATE_LAST) - break; - if (tries == 19) - ServerInstance->Logs->Log("MODULE", DEFAULT, "Hook priority dependency loop detected while loading " + filename_str); - } - - ServerInstance->BuildISupport(); - return true; -} - -bool ModuleManager::CanUnload(Module* mod) -{ - std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile); - - if (modfind == Modules.end() || modfind->second != mod) - { - LastModuleError = "Module " + mod->ModuleSourceFile + " is not loaded, cannot unload it!"; - ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - if (mod->GetVersion().Flags & VF_STATIC) - { - LastModuleError = "Module " + mod->ModuleSourceFile + " not unloadable (marked static)"; - ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - std::pair<int,std::string> intercount = GetInterfaceInstanceCount(mod); - if (intercount.first > 0) - { - LastModuleError = "Failed to unload module " + mod->ModuleSourceFile + ", being used by " + ConvToStr(intercount.first) + " other(s) via interface '" + intercount.second + "'"; - ServerInstance->Logs->Log("MODULE", DEFAULT, LastModuleError); - return false; - } - return true; -} - -void ModuleManager::DoSafeUnload(Module* mod) -{ - std::map<std::string, Module*>::iterator modfind = Modules.find(mod->ModuleSourceFile); - - std::vector<reference<ExtensionItem> > items; - ServerInstance->Extensions.BeginUnregister(modfind->second, items); - /* Give the module a chance to tidy out all its metadata */ - for (chan_hash::iterator c = ServerInstance->chanlist->begin(); c != ServerInstance->chanlist->end(); c++) - { - mod->OnCleanup(TYPE_CHANNEL,c->second); - c->second->doUnhookExtensions(items); - const UserMembList* users = c->second->GetUsers(); - for(UserMembCIter mi = users->begin(); mi != users->end(); mi++) - mi->second->doUnhookExtensions(items); - } - for (user_hash::iterator u = ServerInstance->Users->clientlist->begin(); u != ServerInstance->Users->clientlist->end(); u++) - { - mod->OnCleanup(TYPE_USER,u->second); - u->second->doUnhookExtensions(items); - } - for(char m='A'; m <= 'z'; m++) - { - ModeHandler* mh; - mh = ServerInstance->Modes->FindMode(m, MODETYPE_USER); - if (mh && mh->creator == mod) - ServerInstance->Modes->DelMode(mh); - mh = ServerInstance->Modes->FindMode(m, MODETYPE_CHANNEL); - if (mh && mh->creator == mod) - ServerInstance->Modes->DelMode(mh); - } - - /* Tidy up any dangling resolvers */ - ServerInstance->Res->CleanResolvers(mod); - - FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(mod)); - - DetachAll(mod); - - Modules.erase(modfind); - ServerInstance->GlobalCulls.AddItem(mod); - - ServerInstance->Logs->Log("MODULE", DEFAULT,"Module %s unloaded",mod->ModuleSourceFile.c_str()); - this->ModCount--; - ServerInstance->BuildISupport(); -} - -namespace { - struct UnloadAction : public HandlerBase0<void> - { - Module* const mod; - UnloadAction(Module* m) : mod(m) {} - void Call() - { - DLLManager* dll = mod->ModuleDLLManager; - ServerInstance->Modules->DoSafeUnload(mod); - ServerInstance->GlobalCulls.Apply(); - delete dll; - ServerInstance->GlobalCulls.AddItem(this); - } - }; - - struct ReloadAction : public HandlerBase0<void> - { - Module* const mod; - HandlerBase1<void, bool>* const callback; - ReloadAction(Module* m, HandlerBase1<void, bool>* c) - : mod(m), callback(c) {} - void Call() - { - DLLManager* dll = mod->ModuleDLLManager; - std::string name = mod->ModuleSourceFile; - ServerInstance->Modules->DoSafeUnload(mod); - ServerInstance->GlobalCulls.Apply(); - delete dll; - bool rv = ServerInstance->Modules->Load(name.c_str()); - callback->Call(rv); - ServerInstance->GlobalCulls.AddItem(this); - } - }; -} - -bool ModuleManager::Unload(Module* mod) -{ - if (!CanUnload(mod)) - return false; - ServerInstance->AtomicActions.AddAction(new UnloadAction(mod)); - return true; -} - -void ModuleManager::Reload(Module* mod, HandlerBase1<void, bool>* callback) -{ - if (CanUnload(mod)) - ServerInstance->AtomicActions.AddAction(new ReloadAction(mod, callback)); - else - callback->Call(false); -} - -/* We must load the modules AFTER initializing the socket engine, now */ -void ModuleManager::LoadAll() -{ - ModCount = 0; - - printf("\nLoading core commands"); - fflush(stdout); - - DIR* library = opendir(ServerInstance->Config->ModPath.c_str()); - if (library) - { - dirent* entry = NULL; - while (0 != (entry = readdir(library))) - { - if (InspIRCd::Match(entry->d_name, "cmd_*.so", ascii_case_insensitive_map)) - { - printf("."); - fflush(stdout); - - if (!Load(entry->d_name)) - { - ServerInstance->Logs->Log("MODULE", DEFAULT, this->LastError()); - printf_c("\n[\033[1;31m*\033[0m] %s\n\n", this->LastError().c_str()); - ServerInstance->Exit(EXIT_STATUS_MODULE); - } - } - } - closedir(library); - printf("\n"); - } - - ConfigTagList tags = ServerInstance->Config->ConfTags("module"); - for(ConfigIter i = tags.first; i != tags.second; ++i) - { - ConfigTag* tag = i->second; - std::string name = tag->getString("name"); - printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n",name.c_str()); - - if (!this->Load(name.c_str())) - { - ServerInstance->Logs->Log("MODULE", DEFAULT, this->LastError()); - printf_c("\n[\033[1;31m*\033[0m] %s\n\n", this->LastError().c_str()); - ServerInstance->Exit(EXIT_STATUS_MODULE); - } - } -} - -void ModuleManager::UnloadAll() -{ - /* 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++) - { - std::map<std::string, Module*>::iterator i = Modules.begin(); - while (i != Modules.end()) - { - std::map<std::string, Module*>::iterator me = i++; - if (CanUnload(me->second)) - { - DoSafeUnload(me->second); - } - } - ServerInstance->GlobalCulls.Apply(); - } -} - bool ModuleManager::PublishFeature(const std::string &FeatureName, Module* Mod) { if (Features.find(FeatureName) == Features.end()) |