src/modmanager_dynamic.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
   5  *
   6  * This file is part of InspIRCd.  InspIRCd is free software: you can
   7  * redistribute it and/or modify it under the terms of the GNU General Public
   8  * License as published by the Free Software Foundation, version 2.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  13  * details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include "inspircd.h"
  21 #include "xline.h"
  22 #include "socket.h"
  23 #include "socketengine.h"
  24 #include "command_parse.h"
  25 #include "exitcodes.h"
  26 #include <iostream>
  27
  28 #ifndef _WIN32
  29 #include <dirent.h>
  30 #endif
  31
  32 #ifndef PURE_STATIC
  33
  34 bool ModuleManager::Load(const std::string& filename, bool defer)
  35 {
  36         /* Don't allow people to specify paths for modules, it doesn't work as expected */
  37         if (filename.find('/') != std::string::npos)
  38                 return false;
  39
  40         const std::string moduleFile = ServerInstance->Config->Paths.PrependModule(filename);
  41
  42         if (!ServerConfig::FileExists(moduleFile.c_str()))
  43         {
  44                 LastModuleError = "Module file could not be found: " + filename;
  45                 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
  46                 return false;
  47         }
  48
  49         if (Modules.find(filename) != Modules.end())
  50         {
  51                 LastModuleError = "Module " + filename + " is already loaded, cannot load a module twice!";
  52                 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
  53                 return false;
  54         }
  55
  56         Module* newmod = NULL;
  57         DLLManager* newhandle = new DLLManager(moduleFile.c_str());
  58
  59         try
  60         {
  61                 newmod = newhandle->CallInit();
  62
  63                 if (newmod)
  64                 {
  65                         newmod->ModuleSourceFile = filename;
  66                         newmod->ModuleDLLManager = newhandle;
  67                         newmod->dying = false;
  68                         Modules[filename] = newmod;
  69                         std::string version = newhandle->GetVersion();
  70                         if (defer)
  71                         {
  72                                 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "New module introduced: %s (Module version %s)",
  73                                         filename.c_str(), version.c_str());
  74                         }
  75                         else
  76                         {
  77                                 ConfigStatus confstatus;
  78
  79                                 AttachAll(newmod);
  80                                 newmod->init();
  81                                 newmod->ReadConfig(confstatus);
  82
  83                                 Version v = newmod->GetVersion();
  84                                 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, "New module introduced: %s (Module version %s)%s",
  85                                         filename.c_str(), version.c_str(), (!(v.Flags & VF_VENDOR) ? " [3rd Party]" : " [Vendor]"));
  86                         }
  87                 }
  88                 else
  89                 {
  90                         LastModuleError = "Unable to load " + filename + ": " + newhandle->LastError();
  91                         ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
  92                         delete newhandle;
  93                         return false;
  94                 }
  95         }
  96         catch (CoreException& modexcept)
  97         {
  98                 // failure in module constructor
  99                 if (newmod)
 100                 {
 101                         DoSafeUnload(newmod);
 102                         ServerInstance->GlobalCulls.AddItem(newhandle);
 103                 }
 104                 else
 105                         delete newhandle;
 106                 LastModuleError = "Unable to load " + filename + ": " + modexcept.GetReason();
 107                 ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, LastModuleError);
 108                 return false;
 109         }
 110
 111         if (defer)
 112                 return true;
 113
 114         FOREACH_MOD(OnLoadModule, (newmod));
 115         PrioritizeHooks();
 116         ServerInstance->ISupport.Build();
 117         return true;
 118 }
 119
 120 /* We must load the modules AFTER initializing the socket engine, now */
 121 void ModuleManager::LoadCoreModules()
 122 {
 123         std::cout << std::endl << "Loading core commands";
 124         fflush(stdout);
 125
 126         DIR* library = opendir(ServerInstance->Config->Paths.Module.c_str());
 127         if (library)
 128         {
 129                 dirent* entry = NULL;
 130                 while (0 != (entry = readdir(library)))
 131                 {
 132                         if (InspIRCd::Match(entry->d_name, "cmd_*.so", ascii_case_insensitive_map))
 133                         {
 134                                 std::cout << ".";
 135                                 fflush(stdout);
 136
 137                                 if (!Load(entry->d_name, true))
 138                                 {
 139                                         ServerInstance->Logs->Log("MODULE", LOG_DEFAULT, this->LastError());
 140                                         std::cout << std::endl << "[" << con_red << "*" << con_reset << "] " << this->LastError() << std::endl << std::endl;
 141                                         ServerInstance->Exit(EXIT_STATUS_MODULE);
 142                                 }
 143                         }
 144                 }
 145                 closedir(library);
 146                 std::cout << std::endl;
 147         }
 148 }
 149
 150 #endif