+void Module::OnSetAway(userrec* user) { }
+void Module::OnCancelAway(userrec* user) { }
+int Module::OnUserList(userrec* user, chanrec* Ptr, CUList* &userlist) { return 0; }
+int Module::OnWhoisLine(userrec* user, userrec* dest, int &numeric, std::string &text) { return 0; }
+void Module::OnBuildExemptList(MessageType message_type, chanrec* chan, userrec* sender, char status, CUList &exempt_list, const std::string &text) { }
+void Module::OnGarbageCollect() { }
+void Module::OnBufferFlushed(userrec* user) { }
+
+
+ModuleManager::ModuleManager(InspIRCd* Ins)
+: ModCount(0), Instance(Ins)
+{
+}
+
+ModuleManager::~ModuleManager()
+{
+}
+
+const char* ModuleManager::LastError()
+{
+ return MODERR;
+}
+
+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.
+ */
+ if (strchr(filename,'*') || (strchr(filename,'?')))
+ {
+ int n_match = 0;
+ DIR* library = opendir(Instance->Config->ModPath);
+ if (library)
+ {
+ /* Try and locate and load all modules matching the pattern */
+ dirent* entry = NULL;
+ while ((entry = readdir(library)))
+ {
+ if (Instance->MatchText(entry->d_name, filename))
+ {
+ 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);
+ }
+
+ char modfile[MAXBUF];
+ snprintf(modfile,MAXBUF,"%s/%s",Instance->Config->ModPath,filename);
+ std::string filename_str = filename;
+
+ if (!ServerConfig::DirValid(modfile))
+ {
+ snprintf(MODERR, MAXBUF,"Module %s is not within the modules directory.", modfile);
+ Instance->Log(DEFAULT, MODERR);
+ return false;
+ }
+
+ if (!ServerConfig::FileExists(modfile))
+ {
+ snprintf(MODERR,MAXBUF,"Module file could not be found: %s", modfile);
+ Instance->Log(DEFAULT, MODERR);
+ return false;
+ }
+
+ if(find(Instance->Config->module_names.begin(), Instance->Config->module_names.end(), filename_str) != Instance->Config->module_names.end())
+ {
+ Instance->Log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);
+ snprintf(MODERR, MAXBUF, "Module already loaded");
+ return false;
+ }
+
+ Module* newmod;
+ ircd_module* newhandle;
+
+ newmod = NULL;
+ 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");
+
+ handles[this->ModCount+1] = newhandle;
+
+ newmod = handles[this->ModCount+1]->CallInit();
+
+ if(newmod)
+ {
+ Version v = newmod->GetVersion();
+
+ if (v.API != API_VERSION)
+ {
+ delete newmod;
+ Instance->Log(DEFAULT,"Unable to load %s: Incorrect module API version: %d (our version: %d)",modfile,v.API,API_VERSION);
+ snprintf(MODERR,MAXBUF,"Loader/Linker error: Incorrect module API version: %d (our version: %d)",v.API,API_VERSION);
+ return false;
+ }
+ else
+ {
+ Instance->Log(DEFAULT,"New module introduced: %s (API version %d, Module version %d.%d.%d.%d)%s", filename, v.API, v.Major, v.Minor, v.Revision, v.Build, (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
+ }
+
+ modules[this->ModCount+1] = newmod;
+
+ /* save the module and the module's classfactory, if
+ * this isnt done, random crashes can occur :/ */
+ Instance->Config->module_names.push_back(filename);
+
+ char* x = &Instance->Config->implement_lists[this->ModCount+1][0];
+ for(int t = 0; t < 255; t++)
+ x[t] = 0;
+
+ modules[this->ModCount+1]->Implements(x);
+
+ for(int t = 0; t < 255; t++)
+ Instance->Config->global_implementation[t] += Instance->Config->implement_lists[this->ModCount+1][t];
+ }
+ else
+ {
+ Instance->Log(DEFAULT, "Unable to load %s",modfile);
+ snprintf(MODERR,MAXBUF, "Probably missing init_module() entrypoint, but dlsym() didn't notice a problem");
+ return false;
+ }
+ }
+ catch (LoadModuleException& modexcept)
+ {
+ Instance->Log(DEFAULT,"Unable to load %s: %s", modfile, modexcept.GetReason());
+ snprintf(MODERR,MAXBUF,"Loader/Linker error: %s", modexcept.GetReason());
+ return false;
+ }
+ catch (FindSymbolException& modexcept)
+ {
+ Instance->Log(DEFAULT,"Unable to load %s: %s", modfile, modexcept.GetReason());
+ snprintf(MODERR,MAXBUF,"Loader/Linker error: %s", modexcept.GetReason());
+ return false;
+ }
+ catch (CoreException& modexcept)
+ {
+ Instance->Log(DEFAULT,"Unable to load %s: %s",modfile,modexcept.GetReason());
+ snprintf(MODERR,MAXBUF,"Factory function of %s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ return false;
+ }
+
+ this->ModCount++;
+ FOREACH_MOD_I(Instance,I_OnLoadModule,OnLoadModule(modules[this->ModCount],filename_str));
+ // now work out which modules, if any, want to move to the back of the queue,
+ // and if they do, move them there.
+ std::vector<std::string> put_to_back;
+ std::vector<std::string> put_to_front;
+ std::map<std::string,std::string> put_before;
+ std::map<std::string,std::string> put_after;
+ for (unsigned int j = 0; j < Instance->Config->module_names.size(); j++)
+ {
+ if (modules[j]->Prioritize() == PRIORITY_LAST)
+ put_to_back.push_back(Instance->Config->module_names[j]);
+ else if (modules[j]->Prioritize() == PRIORITY_FIRST)
+ put_to_front.push_back(Instance->Config->module_names[j]);
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE)
+ put_before[Instance->Config->module_names[j]] = Instance->Config->module_names[modules[j]->Prioritize() >> 8];
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)
+ put_after[Instance->Config->module_names[j]] = Instance->Config->module_names[modules[j]->Prioritize() >> 8];
+ }
+ for (unsigned int j = 0; j < put_to_back.size(); j++)
+ MoveToLast(put_to_back[j]);
+ for (unsigned int j = 0; j < put_to_front.size(); j++)
+ MoveToFirst(put_to_front[j]);
+ for (std::map<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)
+ MoveBefore(j->first,j->second);
+ for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)
+ MoveAfter(j->first,j->second);
+ Instance->BuildISupport();
+ return true;
+}
+
+bool ModuleManager::EraseHandle(unsigned int j)
+{
+ ModuleHandleList::iterator iter;
+
+ if((j < 0) || (j >= handles.size()))
+ {
+ return false;
+ }
+
+ iter = handles.begin() + j;
+
+ if(*iter)
+ {
+ delete *iter;
+ handles.erase(iter);
+ handles.push_back(NULL);
+ }
+
+ return true;
+}
+
+bool ModuleManager::EraseModule(unsigned int j)
+{
+ bool success = false;
+
+ {
+ ModuleList::iterator iter;
+
+ if((j < 0) || (j >= modules.size()))
+ {
+ return false;
+ }
+
+ iter = modules.begin() + j;
+
+ if(*iter)
+ {
+ delete *iter;
+ modules.erase(iter);
+ modules.push_back(NULL);
+ success = true;
+ }
+ }
+
+ {
+ std::vector<std::string>::iterator iter;
+
+ if((j < 0) || (j >= Instance->Config->module_names.size()))
+ {
+ return false;
+ }
+
+ iter = Instance->Config->module_names.begin() + j;
+
+ Instance->Config->module_names.erase(iter);
+ success = true;
+ }
+
+ return success;
+}
+
+void ModuleManager::MoveTo(std::string modulename,int slot)
+{
+ unsigned int v2 = 256;
+
+ for (unsigned int v = 0; v < Instance->Config->module_names.size(); v++)
+ {
+ if (Instance->Config->module_names[v] == modulename)
+ {
+ // found an instance, swap it with the item at the end
+ v2 = v;
+ break;
+ }
+ }
+ if ((v2 != (unsigned int)slot) && (v2 < 256))
+ {
+ // Swap the module names over
+ Instance->Config->module_names[v2] = Instance->Config->module_names[slot];
+ Instance->Config->module_names[slot] = modulename;
+ // now swap the module factories
+ ircd_module* temp = handles[v2];
+ handles[v2] = handles[slot];
+ handles[slot] = temp;
+ // now swap the module objects
+ Module* temp_module = modules[v2];
+ modules[v2] = modules[slot];
+ modules[slot] = temp_module;
+ // now swap the implement lists (we dont
+ // need to swap the global or recount it)
+ for (int n = 0; n < 255; n++)
+ {
+ char x = Instance->Config->implement_lists[v2][n];
+ Instance->Config->implement_lists[v2][n] = Instance->Config->implement_lists[slot][n];
+ Instance->Config->implement_lists[slot][n] = x;
+ }
+ }
+}
+
+void ModuleManager::MoveAfter(std::string modulename, std::string after)
+{
+ for (unsigned int v = 0; v < Instance->Config->module_names.size(); v++)
+ {
+ if (Instance->Config->module_names[v] == after)
+ {
+ MoveTo(modulename, v);
+ return;
+ }
+ }
+}
+
+void ModuleManager::MoveBefore(std::string modulename, std::string before)
+{
+ for (unsigned int v = 0; v < Instance->Config->module_names.size(); v++)
+ {
+ if (Instance->Config->module_names[v] == before)
+ {
+ if (v > 0)
+ {
+ MoveTo(modulename, v-1);
+ }
+ else
+ {
+ MoveTo(modulename, v);
+ }
+ return;
+ }
+ }
+}