-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "configreader.h"\r#include <signal.h>\r\r#ifndef WIN32\r#include <dirent.h>\r#include <unistd.h>\r#include <sys/resource.h>\r#include <dlfcn.h>\r#include <getopt.h>\r\r/* Some systems don't define RUSAGE_SELF. This should fix them. */\r#ifndef RUSAGE_SELF\r #define RUSAGE_SELF 0\r#endif\r\r#endif\r\r#include <exception>\r#include <fstream>\r#include "modules.h"\r#include "mode.h"\r#include "xline.h"\r#include "socketengine.h"\r#include "inspircd_se_config.h"\r#include "socket.h"\r#include "typedefs.h"\r#include "command_parse.h"\r#include "exitcodes.h"\r\r#ifdef WIN32\r\r/* This MUST remain static and delcared outside the class, so that WriteProcessMemory can reference it properly */\rstatic DWORD owner_processid = 0;\r\rDWORD WindowsForkStart(InspIRCd * Instance)\r{\r /* Windows implementation of fork() :P */\r\r char module[MAX_PATH];\r if(!GetModuleFileName(NULL, module, MAX_PATH))\r {\r printf("GetModuleFileName() failed.\n");\r return false;\r }\r\r STARTUPINFO startupinfo;\r PROCESS_INFORMATION procinfo;\r ZeroMemory(&startupinfo, sizeof(STARTUPINFO));\r ZeroMemory(&procinfo, sizeof(PROCESS_INFORMATION));\r\r // Fill in the startup info struct\r GetStartupInfo(&startupinfo);\r\r /* Default creation flags create the processes suspended */\r DWORD startupflags = CREATE_SUSPENDED;\r\r /* On windows 2003/XP and above, we can use the value\r * CREATE_PRESERVE_CODE_AUTHZ_LEVEL which gives more access\r * to the process which we may require on these operating systems.\r */\r OSVERSIONINFO vi;\r vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);\r GetVersionEx(&vi);\r if ((vi.dwMajorVersion >= 5) && (vi.dwMinorVersion > 0))\r startupflags |= CREATE_PRESERVE_CODE_AUTHZ_LEVEL;\r\r // Launch our "forked" process.\r BOOL bSuccess = CreateProcess ( module, // Module (exe) filename\r strdup(GetCommandLine()), // Command line (exe plus parameters from the OS)\r // NOTE: We cannot return the direct value of the\r // GetCommandLine function here, as the pointer is\r // passed straight to the child process, and will be\r // invalid once we exit as it goes out of context.\r // strdup() seems ok, though.\r 0, // PROCESS_SECURITY_ATTRIBUTES\r 0, // THREAD_SECURITY_ATTRIBUTES\r TRUE, // We went to inherit handles.\r startupflags, // Allow us full access to the process and suspend it.\r 0, // ENVIRONMENT\r 0, // CURRENT_DIRECTORY\r &startupinfo, // startup info\r &procinfo); // process info\r\r if(!bSuccess)\r {\r printf("CreateProcess() error: %s\n", dlerror());\r return false;\r }\r\r // Set the owner process id in the target process.\r SIZE_T written = 0;\r DWORD pid = GetCurrentProcessId();\r if(!WriteProcessMemory(procinfo.hProcess, &owner_processid, &pid, sizeof(DWORD), &written) || written != sizeof(DWORD))\r {\r printf("WriteProcessMemory() failed: %s\n", dlerror());\r return false;\r }\r\r // Resume the other thread (let it start)\r ResumeThread(procinfo.hThread);\r\r // Wait for the new process to kill us. If there is some error, the new process will end and we will end up at the next line.\r WaitForSingleObject(procinfo.hProcess, INFINITE);\r\r // If we hit this it means startup failed, default to 14 if this fails.\r DWORD ExitCode = 14;\r GetExitCodeProcess(procinfo.hProcess, &ExitCode);\r CloseHandle(procinfo.hThread);\r CloseHandle(procinfo.hProcess);\r return ExitCode;\r}\r\rvoid WindowsForkKillOwner(InspIRCd * Instance)\r{\r HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, owner_processid);\r if(!hProcess || !owner_processid)\r {\r printf("Could not open process id %u: %s.\n", owner_processid, dlerror());\r Instance->Exit(14);\r }\r\r // die die die\r if(!TerminateProcess(hProcess, 0))\r {\r printf("Could not TerminateProcess(): %s\n", dlerror());\r Instance->Exit(14);\r }\r\r CloseHandle(hProcess);\r}\r\r#endif\r\rusing irc::sockets::NonBlocking;\rusing irc::sockets::Blocking;\rusing irc::sockets::insp_ntoa;\rusing irc::sockets::insp_inaddr;\rusing irc::sockets::insp_sockaddr;\r\rInspIRCd* SI = NULL;\r\r/* Burlex: Moved from exitcodes.h -- due to duplicate symbols */\rconst char* ExitCodes[] =\r{\r "No error", /* 0 */\r "DIE command", /* 1 */\r "execv() failed", /* 2 */\r "Internal error", /* 3 */\r "Config file error", /* 4 */\r "Logfile error", /* 5 */\r "POSIX fork failed", /* 6 */\r "Bad commandline parameters", /* 7 */\r "No ports could be bound", /* 8 */\r "Can't write PID file", /* 9 */\r "SocketEngine could not initialize", /* 10 */\r "Refusing to start up as root", /* 11 */\r "Found a <die> tag!", /* 12 */\r "Couldn't load module on startup", /* 13 */\r "Could not create windows forked process", /* 14 */\r "Received SIGTERM", /* 15 */\r};\r\rvoid InspIRCd::AddServerName(const std::string &servername)\r{\r servernamelist::iterator itr = servernames.begin();\r for(; itr != servernames.end(); ++itr)\r if(**itr == servername)\r return;\r\r string * ns = new string(servername);\r servernames.push_back(ns);\r}\r\rconst char* InspIRCd::FindServerNamePtr(const std::string &servername)\r{\r servernamelist::iterator itr = servernames.begin();\r for(; itr != servernames.end(); ++itr)\r if(**itr == servername)\r return (*itr)->c_str();\r\r servernames.push_back(new string(servername));\r itr = --servernames.end();\r return (*itr)->c_str();\r}\r\rbool InspIRCd::FindServerName(const std::string &servername)\r{\r servernamelist::iterator itr = servernames.begin();\r for(; itr != servernames.end(); ++itr)\r if(**itr == servername)\r return true;\r return false;\r}\r\rvoid InspIRCd::Exit(int status)\r{\r#ifdef WINDOWS\r CloseIPC();\r#endif\r if (SI)\r {\r SI->SendError("Exiting with status " + ConvToStr(status) + " (" + std::string(ExitCodes[status]) + ")");\r SI->Cleanup();\r }\r exit (status);\r}\r\rvoid InspIRCd::Cleanup()\r{\r std::vector<std::string> mymodnames;\r int MyModCount = this->GetModuleCount();\r\r for (unsigned int i = 0; i < Config->ports.size(); i++)\r {\r /* This calls the constructor and closes the listening socket */\r delete Config->ports[i];\r }\r\r Config->ports.clear();\r\r /* Close all client sockets, or the new process inherits them */\r for (std::vector<userrec*>::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++)\r {\r (*i)->SetWriteError("Server shutdown");\r (*i)->CloseSocket();\r }\r\r /* We do this more than once, so that any service providers get a\r * chance to be unhooked by the modules using them, but then get\r * a chance to be removed themsleves.\r */\r for (int tries = 0; tries < 3; tries++)\r {\r MyModCount = this->GetModuleCount();\r mymodnames.clear();\r\r /* Unload all modules, so they get a chance to clean up their listeners */\r for (int j = 0; j <= MyModCount; j++)\r mymodnames.push_back(Config->module_names[j]);\r\r for (int k = 0; k <= MyModCount; k++)\r this->UnloadModule(mymodnames[k].c_str());\r }\r\r /* Close logging */\r this->Logger->Close();\r\r /* Cleanup Server Names */\r for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)\r delete (*itr);\r\r#ifdef WINDOWS\r /* WSACleanup */\r WSACleanup();\r#endif\r}\r\rvoid InspIRCd::Restart(const std::string &reason)\r{\r /* SendError flushes each client's queue,\r * regardless of writeability state\r */\r this->SendError(reason);\r\r this->Cleanup();\r\r /* Figure out our filename (if theyve renamed it, we're boned) */\r std::string me;\r\r#ifdef WINDOWS\r char module[MAX_PATH];\r if (GetModuleFileName(NULL, module, MAX_PATH))\r me = module;\r#else\r me = Config->MyDir + "/inspircd";\r#endif\r\r if (execv(me.c_str(), Config->argv) == -1)\r {\r /* Will raise a SIGABRT if not trapped */\r throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));\r }\r}\r\rvoid InspIRCd::Start()\r{\r printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);\r printf_c("(C) InspIRCd Development Team.\033[0m\n\n");\r printf_c("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey, Burlex\033[0m\n");\r printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");\r}\r\rvoid InspIRCd::Rehash(int status)\r{\r SI->WriteOpers("*** Rehashing config file %s due to SIGHUP",ServerConfig::CleanFilename(SI->ConfigFileName));\r SI->CloseLog();\r SI->OpenLog(SI->Config->argv, SI->Config->argc);\r SI->RehashUsersAndChans();\r FOREACH_MOD_I(SI, I_OnGarbageCollect, OnGarbageCollect());\r SI->Config->Read(false,NULL);\r SI->ResetMaxBans();\r SI->Res->Rehash();\r FOREACH_MOD_I(SI,I_OnRehash,OnRehash(NULL,""));\r SI->BuildISupport();\r}\r\rvoid InspIRCd::ResetMaxBans()\r{\r for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)\r i->second->ResetMaxBans();\r}\r\r\r/** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')\r * we must occasionally rehash the hash (yes really).\r * We do this by copying the entries from the old hash to a new hash, causing all\r * empty buckets to be weeded out of the hash. We dont do this on a timer, as its\r * very expensive, so instead we do it when the user types /REHASH and expects a\r * short delay anyway.\r */\rvoid InspIRCd::RehashUsersAndChans()\r{\r user_hash* old_users = this->clientlist;\r chan_hash* old_chans = this->chanlist;\r\r this->clientlist = new user_hash();\r this->chanlist = new chan_hash();\r\r for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)\r this->clientlist->insert(*n);\r\r delete old_users;\r\r for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)\r this->chanlist->insert(*n);\r\r delete old_chans;\r}\r\rvoid InspIRCd::CloseLog()\r{\r this->Logger->Close();\r}\r\rvoid InspIRCd::SetSignals()\r{\r#ifndef WIN32\r signal(SIGALRM, SIG_IGN);\r signal(SIGHUP, InspIRCd::Rehash);\r signal(SIGPIPE, SIG_IGN);\r signal(SIGCHLD, SIG_IGN);\r#endif\r signal(SIGTERM, InspIRCd::Exit);\r}\r\rvoid InspIRCd::QuickExit(int status)\r{\r exit(0);\r}\r\rbool InspIRCd::DaemonSeed()\r{\r#ifdef WINDOWS\r printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());\r return true;\r#else\r signal(SIGTERM, InspIRCd::QuickExit);\r\r int childpid;\r if ((childpid = fork ()) < 0)\r return false;\r else if (childpid > 0)\r {\r /* We wait here for the child process to kill us,\r * so that the shell prompt doesnt come back over\r * the output.\r * Sending a kill with a signal of 0 just checks\r * if the child pid is still around. If theyre not,\r * they threw an error and we should give up.\r */\r while (kill(childpid, 0) != -1)\r sleep(1);\r exit(0);\r }\r setsid ();\r umask (007);\r printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());\r\r signal(SIGTERM, InspIRCd::Exit);\r\r rlimit rl;\r if (getrlimit(RLIMIT_CORE, &rl) == -1)\r {\r this->Log(DEFAULT,"Failed to getrlimit()!");\r return false;\r }\r else\r {\r rl.rlim_cur = rl.rlim_max;\r if (setrlimit(RLIMIT_CORE, &rl) == -1)\r this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");\r }\r\r return true;\r#endif\r}\r\rvoid InspIRCd::WritePID(const std::string &filename)\r{\r std::string fname = (filename.empty() ? "inspircd.pid" : filename);\r if (*(fname.begin()) != '/')\r {\r std::string::size_type pos;\r std::string confpath = this->ConfigFileName;\r if ((pos = confpath.rfind("/")) != std::string::npos)\r {\r /* Leaves us with just the path */\r fname = confpath.substr(0, pos) + std::string("/") + fname;\r }\r }\r std::ofstream outfile(fname.c_str());\r if (outfile.is_open())\r {\r outfile << getpid();\r outfile.close();\r }\r else\r {\r printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());\r this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());\r Exit(EXIT_STATUS_PID);\r }\r}\r\rstd::string InspIRCd::GetRevision()\r{\r return REVISION;\r}\r\rInspIRCd::InspIRCd(int argc, char** argv)\r : ModCount(-1), GlobalCulls(this)\r{\r int found_ports = 0;\r FailedPortList pl;\r int do_version = 0, do_nofork = 0, do_debug = 0, do_nolog = 0, do_root = 0; /* flag variables */\r char c = 0;\r\r modules.resize(255);\r factory.resize(255);\r memset(&server, 0, sizeof(server));\r memset(&client, 0, sizeof(client));\r\r this->unregistered_count = 0;\r\r this->clientlist = new user_hash();\r this->chanlist = new chan_hash();\r\r this->Config = new ServerConfig(this);\r\r this->Config->argv = argv;\r this->Config->argc = argc;\r\r chdir(Config->GetFullProgDir().c_str());\r\r this->Config->opertypes.clear();\r this->Config->operclass.clear();\r this->SNO = new SnomaskManager(this);\r this->TIME = this->OLDTIME = this->startup_time = time(NULL);\r this->time_delta = 0;\r this->next_call = this->TIME + 3;\r srand(this->TIME);\r\r *this->LogFileName = 0;\r strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);\r\r struct option longopts[] =\r {\r { "nofork", no_argument, &do_nofork, 1 },\r { "logfile", required_argument, NULL, 'f' },\r { "config", required_argument, NULL, 'c' },\r { "debug", no_argument, &do_debug, 1 },\r { "nolog", no_argument, &do_nolog, 1 },\r { "runasroot", no_argument, &do_root, 1 },\r { "version", no_argument, &do_version, 1 },\r { 0, 0, 0, 0 }\r };\r\r while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)\r {\r switch (c)\r {\r case 'f':\r /* Log filename was set */\r strlcpy(LogFileName, optarg, MAXBUF);\r break;\r case 'c':\r /* Config filename was set */\r strlcpy(ConfigFileName, optarg, MAXBUF);\r break;\r case 0:\r /* getopt_long_only() set an int variable, just keep going */\r break;\r default:\r /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */\r printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>] [--runasroot] [--version] [--config <config>]\n", argv[0]);\r Exit(EXIT_STATUS_ARGV);\r break;\r }\r }\r\r if (do_version)\r {\r printf("\n%s r%s\n", VERSION, REVISION);\r Exit(EXIT_STATUS_NOERROR);\r }\r\r#ifdef WIN32\r\r // Handle forking\r if(!do_nofork && !owner_processid)\r {\r DWORD ExitCode = WindowsForkStart(this);\r if(ExitCode)\r Exit(ExitCode);\r }\r\r // Set up winsock\r WSADATA wsadata;\r WSAStartup(MAKEWORD(2,0), &wsadata);\r\r#endif\r if (!ServerConfig::FileExists(this->ConfigFileName))\r {\r printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);\r this->Log(DEFAULT,"Unable to open config file %s", this->ConfigFileName);\r Exit(EXIT_STATUS_CONFIG);\r }\r\r this->Start();\r\r /* Set the finished argument values */\r Config->nofork = do_nofork;\r Config->forcedebug = do_debug;\r Config->writelog = !do_nolog;\r\r strlcpy(Config->MyExecutable,argv[0],MAXBUF);\r\r this->OpenLog(argv, argc);\r\r this->stats = new serverstats();\r this->Timers = new TimerManager(this);\r this->Parser = new CommandParser(this);\r this->XLines = new XLineManager(this);\r Config->ClearStack();\r Config->Read(true, NULL);\r\r if (!do_root)\r this->CheckRoot();\r else\r {\r printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");\r printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");\r printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");\r printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");\r printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");\r printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");\r printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");\r printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");\r sleep(20);\r }\r\r this->SetSignals();\r\r if (!Config->nofork)\r {\r if (!this->DaemonSeed())\r {\r printf("ERROR: could not go into daemon mode. Shutting down.\n");\r Log(DEFAULT,"ERROR: could not go into daemon mode. Shutting down.");\r Exit(EXIT_STATUS_FORK);\r }\r }\r\r\r /* Because of limitations in kqueue on freebsd, we must fork BEFORE we\r * initialize the socket engine.\r */\r SocketEngineFactory* SEF = new SocketEngineFactory();\r SE = SEF->Create(this);\r delete SEF;\r\r this->Modes = new ModeParser(this);\r this->AddServerName(Config->ServerName);\r CheckDie();\r int bounditems = BindPorts(true, found_ports, pl);\r\r for(int t = 0; t < 255; t++)\r Config->global_implementation[t] = 0;\r\r memset(&Config->implement_lists,0,sizeof(Config->implement_lists));\r\r printf("\n");\r\r this->Res = new DNS(this);\r\r this->LoadAllModules();\r /* Just in case no modules were loaded - fix for bug #101 */\r this->BuildISupport();\r InitializeDisabledCommands(Config->DisabledCommands, this);\r\r if ((Config->ports.size() == 0) && (found_ports > 0))\r {\r printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");\r Log(DEFAULT,"ERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?");\r Exit(EXIT_STATUS_BIND);\r }\r\r if (Config->ports.size() != (unsigned int)found_ports)\r {\r printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);\r printf("The following port(s) failed to bind:\n");\r int j = 1;\r for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)\r {\r printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);\r }\r }\r#ifndef WINDOWS\r if (!Config->nofork)\r {\r if (kill(getppid(), SIGTERM) == -1)\r {\r printf("Error killing parent process: %s\n",strerror(errno));\r Log(DEFAULT,"Error killing parent process: %s",strerror(errno));\r }\r }\r\r if (isatty(0) && isatty(1) && isatty(2))\r {\r /* We didn't start from a TTY, we must have started from a background process -\r * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont\r * close stdin/stdout\r */\r if (!do_nofork)\r {\r fclose(stdin);\r fclose(stderr);\r fclose(stdout);\r }\r else\r {\r Log(DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");\r }\r }\r#else\r InitIPC();\r if(!Config->nofork)\r {\r WindowsForkKillOwner(this);\r FreeConsole();\r }\r#endif\r printf("\nInspIRCd is now running!\n");\r Log(DEFAULT,"Startup complete.");\r\r this->WritePID(Config->PID);\r}\r\rstd::string InspIRCd::GetVersionString()\r{\r char versiondata[MAXBUF];\r char dnsengine[] = "singlethread-object";\r\r if (*Config->CustomVersion)\r {\r snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion);\r }\r else\r {\r snprintf(versiondata,MAXBUF,"%s %s :%s [FLAGS=%s,%s,%s]",VERSION,Config->ServerName,SYSTEM,REVISION,SE->GetName().c_str(),dnsengine);\r }\r return versiondata;\r}\r\rchar* InspIRCd::ModuleError()\r{\r return MODERR;\r}\r\rvoid InspIRCd::EraseFactory(int j)\r{\r int v = 0;\r for (std::vector<ircd_module*>::iterator t = factory.begin(); t != factory.end(); t++)\r {\r if (v == j)\r {\r delete *t;\r factory.erase(t);\r factory.push_back(NULL);\r return;\r }\r v++;\r }\r}\r\rvoid InspIRCd::EraseModule(int j)\r{\r int v1 = 0;\r for (ModuleList::iterator m = modules.begin(); m!= modules.end(); m++)\r {\r if (v1 == j)\r {\r DELETE(*m);\r modules.erase(m);\r modules.push_back(NULL);\r break;\r }\r v1++;\r }\r int v2 = 0;\r for (std::vector<std::string>::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++)\r {\r if (v2 == j)\r {\r Config->module_names.erase(v);\r break;\r }\r v2++;\r }\r\r}\r\rvoid InspIRCd::MoveTo(std::string modulename,int slot)\r{\r unsigned int v2 = 256;\r for (unsigned int v = 0; v < Config->module_names.size(); v++)\r {\r if (Config->module_names[v] == modulename)\r {\r // found an instance, swap it with the item at the end\r v2 = v;\r break;\r }\r }\r if ((v2 != (unsigned int)slot) && (v2 < 256))\r {\r // Swap the module names over\r Config->module_names[v2] = Config->module_names[slot];\r Config->module_names[slot] = modulename;\r // now swap the module factories\r ircd_module* temp = factory[v2];\r factory[v2] = factory[slot];\r factory[slot] = temp;\r // now swap the module objects\r Module* temp_module = modules[v2];\r modules[v2] = modules[slot];\r modules[slot] = temp_module;\r // now swap the implement lists (we dont\r // need to swap the global or recount it)\r for (int n = 0; n < 255; n++)\r {\r char x = Config->implement_lists[v2][n];\r Config->implement_lists[v2][n] = Config->implement_lists[slot][n];\r Config->implement_lists[slot][n] = x;\r }\r }\r}\r\rvoid InspIRCd::MoveAfter(std::string modulename, std::string after)\r{\r for (unsigned int v = 0; v < Config->module_names.size(); v++)\r {\r if (Config->module_names[v] == after)\r {\r MoveTo(modulename, v);\r return;\r }\r }\r}\r\rvoid InspIRCd::MoveBefore(std::string modulename, std::string before)\r{\r for (unsigned int v = 0; v < Config->module_names.size(); v++)\r {\r if (Config->module_names[v] == before)\r {\r if (v > 0)\r {\r MoveTo(modulename, v-1);\r }\r else\r {\r MoveTo(modulename, v);\r }\r return;\r }\r }\r}\r\rvoid InspIRCd::MoveToFirst(std::string modulename)\r{\r MoveTo(modulename,0);\r}\r\rvoid InspIRCd::MoveToLast(std::string modulename)\r{\r MoveTo(modulename,this->GetModuleCount());\r}\r\rvoid InspIRCd::BuildISupport()\r{\r // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...\r std::stringstream v;\r v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES-1 << " CHANTYPES=# PREFIX=" << this->Modes->BuildPrefixes() << " MAP MAXCHANNELS=" << Config->MaxChans << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;\r v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";\r v << MAXAWAY << " CHANMODES=" << this->Modes->ChanModes() << " FNC NETWORK=" << Config->Network << " MAXPARA=32 ELIST=MU";\r Config->data005 = v.str();\r FOREACH_MOD_I(this,I_On005Numeric,On005Numeric(Config->data005));\r Config->Update005();\r}\r\rbool InspIRCd::UnloadModule(const char* filename)\r{\r std::string filename_str = filename;\r for (unsigned int j = 0; j != Config->module_names.size(); j++)\r {\r if (Config->module_names[j] == filename_str)\r {\r if (modules[j]->GetVersion().Flags & VF_STATIC)\r {\r this->Log(DEFAULT,"Failed to unload STATIC module %s",filename);\r snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)");\r return false;\r }\r std::pair<int,std::string> intercount = GetInterfaceInstanceCount(modules[j]);\r if (intercount.first > 0)\r {\r this->Log(DEFAULT,"Failed to unload module %s, being used by %d other(s) via interface '%s'",filename, intercount.first, intercount.second.c_str());\r snprintf(MODERR,MAXBUF,"Module not unloadable (Still in use by %d other module%s which %s using its interface '%s') -- unload dependent modules first!",\r intercount.first,\r intercount.first > 1 ? "s" : "",\r intercount.first > 1 ? "are" : "is",\r intercount.second.c_str());\r return false;\r }\r /* Give the module a chance to tidy out all its metadata */\r for (chan_hash::iterator c = this->chanlist->begin(); c != this->chanlist->end(); c++)\r {\r modules[j]->OnCleanup(TYPE_CHANNEL,c->second);\r }\r for (user_hash::iterator u = this->clientlist->begin(); u != this->clientlist->end(); u++)\r {\r modules[j]->OnCleanup(TYPE_USER,u->second);\r }\r\r /* Tidy up any dangling resolvers */\r this->Res->CleanResolvers(modules[j]);\r\r FOREACH_MOD_I(this,I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));\r\r for(int t = 0; t < 255; t++)\r {\r Config->global_implementation[t] -= Config->implement_lists[j][t];\r }\r\r /* We have to renumber implement_lists after unload because the module numbers change!\r */\r for(int j2 = j; j2 < 254; j2++)\r {\r for(int t = 0; t < 255; t++)\r {\r Config->implement_lists[j2][t] = Config->implement_lists[j2+1][t];\r }\r }\r\r // found the module\r Parser->RemoveCommands(filename);\r this->EraseModule(j);\r this->EraseFactory(j);\r this->Log(DEFAULT,"Module %s unloaded",filename);\r this->ModCount--;\r BuildISupport();\r return true;\r }\r }\r this->Log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename);\r snprintf(MODERR,MAXBUF,"Module not loaded");\r return false;\r}\r\rbool InspIRCd::LoadModule(const char* filename)\r{\r /* Do we have a glob pattern in the filename?\r * The user wants to load multiple modules which\r * match the pattern.\r */\r if (strchr(filename,'*') || (strchr(filename,'?')))\r {\r int n_match = 0;\r DIR* library = opendir(Config->ModPath);\r if (library)\r {\r /* Try and locate and load all modules matching the pattern */\r dirent* entry = NULL;\r while ((entry = readdir(library)))\r {\r if (this->MatchText(entry->d_name, filename))\r {\r if (!this->LoadModule(entry->d_name))\r n_match++;\r }\r }\r closedir(library);\r }\r /* Loadmodule will now return false if any one of the modules failed\r * to load (but wont abort when it encounters a bad one) and when 1 or\r * more modules were actually loaded.\r */\r return (n_match > 0);\r }\r\r char modfile[MAXBUF];\r snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename);\r std::string filename_str = filename;\r\r if (!ServerConfig::DirValid(modfile))\r {\r this->Log(DEFAULT,"Module %s is not within the modules directory.",modfile);\r snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);\r return false;\r }\r if (ServerConfig::FileExists(modfile))\r {\r\r for (unsigned int j = 0; j < Config->module_names.size(); j++)\r {\r if (Config->module_names[j] == filename_str)\r {\r this->Log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile);\r snprintf(MODERR,MAXBUF,"Module already loaded");\r return false;\r }\r }\r Module* m = NULL;\r ircd_module* a = NULL;\r try\r {\r a = new ircd_module(this, modfile);\r factory[this->ModCount+1] = a;\r if (factory[this->ModCount+1]->LastError())\r {\r this->Log(DEFAULT,"Unable to load %s: %s",modfile,factory[this->ModCount+1]->LastError());\r snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[this->ModCount+1]->LastError());\r return false;\r }\r if ((long)factory[this->ModCount+1]->factory != -1)\r {\r m = factory[this->ModCount+1]->factory->CreateModule(this);\r\r Version v = m->GetVersion();\r\r if (v.API != API_VERSION)\r {\r delete m;\r this->Log(DEFAULT,"Unable to load %s: Incorrect module API version: %d (our version: %d)",modfile,v.API,API_VERSION);\r snprintf(MODERR,MAXBUF,"Loader/Linker error: Incorrect module API version: %d (our version: %d)",v.API,API_VERSION);\r return false;\r }\r else\r {\r this->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]"));\r }\r\r modules[this->ModCount+1] = m;\r /* save the module and the module's classfactory, if\r * this isnt done, random crashes can occur :/ */\r Config->module_names.push_back(filename);\r\r char* x = &Config->implement_lists[this->ModCount+1][0];\r for(int t = 0; t < 255; t++)\r x[t] = 0;\r\r modules[this->ModCount+1]->Implements(x);\r\r for(int t = 0; t < 255; t++)\r Config->global_implementation[t] += Config->implement_lists[this->ModCount+1][t];\r }\r else\r {\r this->Log(DEFAULT,"Unable to load %s",modfile);\r snprintf(MODERR,MAXBUF,"Factory function failed: Probably missing init_module() entrypoint.");\r return false;\r }\r }\r catch (CoreException& modexcept)\r {\r this->Log(DEFAULT,"Unable to load %s: %s",modfile,modexcept.GetReason());\r snprintf(MODERR,MAXBUF,"Factory function of %s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());\r return false;\r }\r }\r else\r {\r this->Log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);\r snprintf(MODERR,MAXBUF,"Module file could not be found");\r return false;\r }\r this->ModCount++;\r FOREACH_MOD_I(this,I_OnLoadModule,OnLoadModule(modules[this->ModCount],filename_str));\r // now work out which modules, if any, want to move to the back of the queue,\r // and if they do, move them there.\r std::vector<std::string> put_to_back;\r std::vector<std::string> put_to_front;\r std::map<std::string,std::string> put_before;\r std::map<std::string,std::string> put_after;\r for (unsigned int j = 0; j < Config->module_names.size(); j++)\r {\r if (modules[j]->Prioritize() == PRIORITY_LAST)\r put_to_back.push_back(Config->module_names[j]);\r else if (modules[j]->Prioritize() == PRIORITY_FIRST)\r put_to_front.push_back(Config->module_names[j]);\r else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE)\r put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];\r else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)\r put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];\r }\r for (unsigned int j = 0; j < put_to_back.size(); j++)\r MoveToLast(put_to_back[j]);\r for (unsigned int j = 0; j < put_to_front.size(); j++)\r MoveToFirst(put_to_front[j]);\r for (std::map<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)\r MoveBefore(j->first,j->second);\r for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)\r MoveAfter(j->first,j->second);\r BuildISupport();\r return true;\r}\r\rvoid InspIRCd::DoOneIteration(bool process_module_sockets)\r{\r#ifndef WIN32\r static rusage ru;\r#else\r static time_t uptime;\r static struct tm * stime;\r static char window_title[100];\r#endif\r\r /* time() seems to be a pretty expensive syscall, so avoid calling it too much.\r * Once per loop iteration is pleanty.\r */\r OLDTIME = TIME;\r TIME = time(NULL);\r\r /* Run background module timers every few seconds\r * (the docs say modules shouldnt rely on accurate\r * timing using this event, so we dont have to\r * time this exactly).\r */\r if (TIME != OLDTIME)\r {\r if (TIME < OLDTIME)\r WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));\r if ((TIME % 3600) == 0)\r {\r this->RehashUsersAndChans();\r FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());\r }\r Timers->TickTimers(TIME);\r this->DoBackgroundUserStuff(TIME);\r\r if ((TIME % 5) == 0)\r {\r XLines->expire_lines();\r FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));\r Timers->TickMissedTimers(TIME);\r }\r#ifndef WIN32\r /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */\r if (!getrusage(RUSAGE_SELF, &ru))\r {\r gettimeofday(&this->stats->LastSampled, NULL);\r this->stats->LastCPU = ru.ru_utime;\r }\r#else\r CheckIPC(this);\r\r if(Config->nofork)\r {\r uptime = Time() - startup_time;\r stime = gmtime(&uptime);\r snprintf(window_title, 100, "InspIRCd - %u clients, %u accepted connections - Up %u days, %.2u:%.2u:%.2u",\r LocalUserCount(), stats->statsAccept, stime->tm_yday, stime->tm_hour, stime->tm_min, stime->tm_sec);\r SetConsoleTitle(window_title);\r }\r#endif\r }\r\r /* Call the socket engine to wait on the active\r * file descriptors. The socket engine has everything's\r * descriptors in its list... dns, modules, users,\r * servers... so its nice and easy, just one call.\r * This will cause any read or write events to be\r * dispatched to their handlers.\r */\r SE->DispatchEvents();\r\r /* if any users was quit, take them out */\r GlobalCulls.Apply();\r\r /* If any inspsockets closed, remove them */\r for (std::map<InspSocket*,InspSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)\r {\r SE->DelFd(x->second);\r x->second->Close();\r delete x->second;\r }\r SocketCull.clear();\r}\r\rint InspIRCd::Run()\r{\r while (true)\r {\r DoOneIteration(true);\r }\r /* This is never reached -- we hope! */\r return 0;\r}\r\r/**********************************************************************************/\r\r/**\r * An ircd in four lines! bwahahaha. ahahahahaha. ahahah *cough*.\r */\r\rint main(int argc, char** argv)\r{\r SI = new InspIRCd(argc, argv);\r SI->Run();\r delete SI;\r return 0;\r}\r\r/* this returns true when all modules are satisfied that the user should be allowed onto the irc server\r * (until this returns true, a user will block in the waiting state, waiting to connect up to the\r * registration timeout maximum seconds)\r */\rbool InspIRCd::AllModulesReportReady(userrec* user)\r{\r if (!Config->global_implementation[I_OnCheckReady])\r return true;\r\r for (int i = 0; i <= this->GetModuleCount(); i++)\r {\r if (Config->implement_lists[i][I_OnCheckReady])\r {\r int res = modules[i]->OnCheckReady(user);\r if (!res)\r return false;\r }\r }\r return true;\r}\r\rint InspIRCd::GetModuleCount()\r{\r return this->ModCount;\r}\r\rtime_t InspIRCd::Time(bool delta)\r{\r if (delta)\r return TIME + time_delta;\r return TIME;\r}\r\rint InspIRCd::SetTimeDelta(int delta)\r{\r int old = time_delta;\r time_delta = delta;\r this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old);\r return old;\r}\r\rvoid InspIRCd::AddLocalClone(userrec* user)\r{\r clonemap::iterator x = local_clones.find(user->GetIPString());\r if (x != local_clones.end())\r x->second++;\r else\r local_clones[user->GetIPString()] = 1;\r}\r\rvoid InspIRCd::AddGlobalClone(userrec* user)\r{\r clonemap::iterator y = global_clones.find(user->GetIPString());\r if (y != global_clones.end())\r y->second++;\r else\r global_clones[user->GetIPString()] = 1;\r}\r\rint InspIRCd::GetTimeDelta()\r{\r return time_delta;\r}\r\rbool FileLogger::Readable()\r{\r return false;\r}\r\rvoid FileLogger::HandleEvent(EventType et, int errornum)\r{\r this->WriteLogLine("");\r if (log)\r ServerInstance->SE->DelFd(this);\r}\r\rvoid FileLogger::WriteLogLine(const std::string &line)\r{\r if (line.length())\r buffer.append(line);\r\r if (log)\r {\r int written = fprintf(log,"%s",buffer.c_str());\r#ifdef WINDOWS\r buffer.clear();\r#else\r if ((written >= 0) && (written < (int)buffer.length()))\r {\r buffer.erase(0, buffer.length());\r ServerInstance->SE->AddFd(this);\r }\r else if (written == -1)\r {\r if (errno == EAGAIN)\r ServerInstance->SE->AddFd(this);\r }\r else\r {\r /* Wrote the whole buffer, and no need for write callback */\r buffer.clear();\r }\r#endif\r if (writeops++ % 20)\r {\r fflush(log);\r }\r }\r}\r\rvoid FileLogger::Close()\r{\r if (log)\r {\r /* Burlex: Windows assumes nonblocking on FILE* pointers anyway, and also "file" fd's aren't the same\r * as socket fd's. */\r#ifndef WIN32\r int flags = fcntl(fileno(log), F_GETFL, 0);\r fcntl(fileno(log), F_SETFL, flags ^ O_NONBLOCK);\r#endif\r if (buffer.size())\r fprintf(log,"%s",buffer.c_str());\r\r#ifndef WINDOWS\r ServerInstance->SE->DelFd(this);\r#endif\r\r fflush(log);\r fclose(log);\r }\r\r buffer.clear();\r}\r\rFileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Instance), log(logfile), writeops(0)\r{\r if (log)\r {\r irc::sockets::NonBlocking(fileno(log));\r this->SetFd(fileno(log));\r buffer.clear();\r }\r}\r\rFileLogger::~FileLogger()\r{\r this->Close();\r}\r\r
\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+/* $Core */
+/* $Install: src/inspircd $(BINPATH) */
+#include "inspircd.h"
+#include <signal.h>
+
+#ifndef WIN32
+ #include <dirent.h>
+ #include <unistd.h>
+ #include <sys/resource.h>
+ #include <dlfcn.h>
+ #include <getopt.h>
+
+ /* Some systems don't define RUSAGE_SELF. This should fix them. */
+ #ifndef RUSAGE_SELF
+ #define RUSAGE_SELF 0
+ #endif
+
+ #include <pwd.h> // setuid
+ #include <grp.h> // setgid
+#endif
+
+#include <fstream>
+#include "xline.h"
+#include "bancache.h"
+#include "socketengine.h"
+#include "inspircd_se_config.h"
+#include "socket.h"
+#include "command_parse.h"
+#include "exitcodes.h"
+#include "caller.h"
+#include "testsuite.h"
+
+InspIRCd* SI = NULL;
+int* mysig = NULL;
+
+/** Seperate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping
+ * if it must.
+ *
+ * This is provided as a pointer so that modules can change it to their custom mapping tables,
+ * e.g. for national character support.
+ */
+unsigned const char *national_case_insensitive_map = rfc_case_insensitive_map;
+
+
+/* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
+ * XXX this is a bit ugly. -- w00t
+ */
+const char* ExitCodes[] =
+{
+ "No error", /* 0 */
+ "DIE command", /* 1 */
+ "execv() failed", /* 2 */
+ "Internal error", /* 3 */
+ "Config file error", /* 4 */
+ "Logfile error", /* 5 */
+ "POSIX fork failed", /* 6 */
+ "Bad commandline parameters", /* 7 */
+ "No ports could be bound", /* 8 */
+ "Can't write PID file", /* 9 */
+ "SocketEngine could not initialize", /* 10 */
+ "Refusing to start up as root", /* 11 */
+ "Found a <die> tag!", /* 12 */
+ "Couldn't load module on startup", /* 13 */
+ "Could not create windows forked process", /* 14 */
+ "Received SIGTERM", /* 15 */
+ "Bad command handler loaded", /* 16 */
+ "RegisterServiceCtrlHandler failed", /* 17 */
+ "UpdateSCMStatus failed", /* 18 */
+ "CreateEvent failed" /* 19 */
+};
+
+template<typename T> static void DeleteZero(T* n)
+{
+ if (n != NULL)
+ {
+ delete n;
+ n = NULL;
+ }
+}
+
+void InspIRCd::Cleanup()
+{
+ if (Config)
+ {
+ for (unsigned int i = 0; i < ports.size(); i++)
+ {
+ /* This calls the constructor and closes the listening socket */
+ delete ports[i];
+ }
+
+ ports.clear();
+ }
+
+ /* Close all client sockets, or the new process inherits them */
+ for (std::vector<User*>::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
+ {
+ this->Users->QuitUser((*i), "Server shutdown");
+ (*i)->CloseSocket();
+ }
+
+ /* 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.
+ *
+ * XXX there may be a better way to do this with 1.2
+ */
+ for (int tries = 0; tries < 3; tries++)
+ {
+ std::vector<std::string> module_names = Modules->GetAllModuleNames(0);
+ for (std::vector<std::string>::iterator k = module_names.begin(); k != module_names.end(); ++k)
+ {
+ /* Unload all modules, so they get a chance to clean up their listeners */
+ this->Modules->Unload(k->c_str());
+ }
+ }
+ /* Remove core commands */
+ Parser->RemoveCommands("<core>");
+
+ /* Cleanup Server Names */
+ for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
+ delete (*itr);
+
+ /* Delete objects dynamically allocated in constructor (destructor would be more appropriate, but we're likely exiting) */
+ /* Must be deleted before modes as it decrements modelines */
+ DeleteZero(this->Users);
+ DeleteZero(this->Modes);
+ DeleteZero(this->XLines);
+ DeleteZero(this->Parser);
+ DeleteZero(this->stats);
+ DeleteZero(this->Modules);
+ DeleteZero(this->BanCache);
+ DeleteZero(this->SNO);
+ DeleteZero(this->Config);
+ DeleteZero(this->Res);
+ DeleteZero(this->chanlist);
+ DeleteZero(this->PI);
+ DeleteZero(this->Threads);
+ DeleteZero(this->Timers);
+ /* Close logging */
+ this->Logs->CloseLogs();
+ DeleteZero(this->Logs);
+}
+
+void InspIRCd::Restart(const std::string &reason)
+{
+ /* SendError flushes each client's queue,
+ * regardless of writeability state
+ */
+ this->SendError(reason);
+
+ /* Figure out our filename (if theyve renamed it, we're boned) */
+ std::string me;
+
+#ifdef WINDOWS
+ char module[MAX_PATH];
+ if (GetModuleFileName(NULL, module, MAX_PATH))
+ me = module;
+#else
+ me = Config->MyDir + "/inspircd";
+#endif
+
+ char** argv = Config->argv;
+
+ this->Cleanup();
+
+ if (execv(me.c_str(), argv) == -1)
+ {
+ /* Will raise a SIGABRT if not trapped */
+ throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
+ }
+}
+
+void InspIRCd::ResetMaxBans()
+{
+ for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
+ i->second->ResetMaxBans();
+}
+
+/** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
+ * we must occasionally rehash the hash (yes really).
+ * We do this by copying the entries from the old hash to a new hash, causing all
+ * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
+ * very expensive, so instead we do it when the user types /REHASH and expects a
+ * short delay anyway.
+ */
+void InspIRCd::RehashUsersAndChans()
+{
+ user_hash* old_users = this->Users->clientlist;
+ user_hash* old_uuid = this->Users->uuidlist;
+ chan_hash* old_chans = this->chanlist;
+
+ this->Users->clientlist = new user_hash();
+ this->Users->uuidlist = new user_hash();
+ this->chanlist = new chan_hash();
+
+ for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
+ this->Users->clientlist->insert(*n);
+
+ delete old_users;
+
+ for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
+ this->Users->uuidlist->insert(*n);
+
+ delete old_uuid;
+
+ for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
+ this->chanlist->insert(*n);
+
+ delete old_chans;
+}
+
+void InspIRCd::SetSignals()
+{
+#ifndef WIN32
+ signal(SIGALRM, SIG_IGN);
+ signal(SIGHUP, InspIRCd::SetSignal);
+ signal(SIGPIPE, SIG_IGN);
+ signal(SIGCHLD, SIG_IGN);
+ /* We want E2BIG not a signal! */
+ signal(SIGXFSZ, SIG_IGN);
+#endif
+ signal(SIGTERM, InspIRCd::SetSignal);
+}
+
+void InspIRCd::QuickExit(int status)
+{
+ exit(0);
+}
+
+bool InspIRCd::DaemonSeed()
+{
+#ifdef WINDOWS
+ printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
+ return true;
+#else
+ signal(SIGTERM, InspIRCd::QuickExit);
+
+ int childpid;
+ if ((childpid = fork ()) < 0)
+ return false;
+ else if (childpid > 0)
+ {
+ /* We wait here for the child process to kill us,
+ * so that the shell prompt doesnt come back over
+ * the output.
+ * Sending a kill with a signal of 0 just checks
+ * if the child pid is still around. If theyre not,
+ * they threw an error and we should give up.
+ */
+ while (kill(childpid, 0) != -1)
+ sleep(1);
+ exit(0);
+ }
+ setsid ();
+ umask (007);
+ printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
+
+ signal(SIGTERM, InspIRCd::SetSignal);
+
+ rlimit rl;
+ if (getrlimit(RLIMIT_CORE, &rl) == -1)
+ {
+ this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
+ return false;
+ }
+ else
+ {
+ rl.rlim_cur = rl.rlim_max;
+ if (setrlimit(RLIMIT_CORE, &rl) == -1)
+ this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
+ }
+
+ return true;
+#endif
+}
+
+void InspIRCd::WritePID(const std::string &filename)
+{
+ std::string fname = (filename.empty() ? "inspircd.pid" : filename);
+ std::replace(fname.begin(), fname.end(), '\\', '/');
+ if ((fname[0] != '/') && (!Config->StartsWithWindowsDriveLetter(filename)))
+ {
+ std::string::size_type pos;
+ std::string confpath = this->ConfigFileName;
+ if ((pos = confpath.rfind("/")) != std::string::npos)
+ {
+ /* Leaves us with just the path */
+ fname = confpath.substr(0, pos) + std::string("/") + fname;
+ }
+ }
+ std::ofstream outfile(fname.c_str());
+ if (outfile.is_open())
+ {
+ outfile << getpid();
+ outfile.close();
+ }
+ else
+ {
+ printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
+ this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
+ Exit(EXIT_STATUS_PID);
+ }
+}
+
+InspIRCd::InspIRCd(int argc, char** argv)
+ : GlobalCulls(this),
+
+ /* Functor initialisation. Note that the ordering here is very important.
+ *
+ * THIS MUST MATCH ORDER OF DECLARATION OF THE HandleWhateverFunc classes
+ * within class InspIRCd.
+ */
+ HandleProcessUser(this),
+ HandleIsNick(this),
+ HandleIsIdent(this),
+ HandleFloodQuitUser(this),
+ HandleIsChannel(this),
+ HandleIsSID(this),
+ HandleRehash(this),
+
+ /* Functor pointer initialisation. Must match the order of the list above
+ *
+ * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
+ * themselves within the class.
+ */
+ ProcessUser(&HandleProcessUser),
+ IsChannel(&HandleIsChannel),
+ IsSID(&HandleIsSID),
+ Rehash(&HandleRehash),
+ IsNick(&HandleIsNick),
+ IsIdent(&HandleIsIdent),
+ FloodQuitUser(&HandleFloodQuitUser)
+
+{
+#ifdef WIN32
+ // Strict, frequent checking of memory on debug builds
+ _CrtSetDbgFlag ( _CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
+
+ // Avoid erroneous frees on early exit
+ WindowsIPC = 0;
+#endif
+ FailedPortList pl;
+ int do_version = 0, do_nofork = 0, do_debug = 0,
+ do_nolog = 0, do_root = 0, do_testsuite = 0; /* flag variables */
+ int c = 0;
+
+ // Initialize so that if we exit before proper initialization they're not deleted
+ this->Logs = 0;
+ this->Threads = 0;
+ this->PI = 0;
+ this->Users = 0;
+ this->chanlist = 0;
+ this->Config = 0;
+ this->SNO = 0;
+ this->BanCache = 0;
+ this->Modules = 0;
+ this->stats = 0;
+ this->Timers = 0;
+ this->Parser = 0;
+ this->XLines = 0;
+ this->Modes = 0;
+ this->Res = 0;
+ this->ConfigThread = NULL;
+
+ // Initialise TIME
+ this->TIME = time(NULL);
+
+ memset(&server, 0, sizeof(server));
+ memset(&client, 0, sizeof(client));
+
+ // This must be created first, so other parts of Insp can use it while starting up
+ this->Logs = new LogManager(this);
+
+ SocketEngineFactory* SEF = new SocketEngineFactory();
+ SE = SEF->Create(this);
+ delete SEF;
+
+ this->Threads = new ThreadEngine(this);
+
+ /* Default implementation does nothing */
+ this->PI = new ProtocolInterface(this);
+
+ this->s_signal = 0;
+
+ // Create base manager classes early, so nothing breaks
+ this->Users = new UserManager(this);
+
+ this->Users->unregistered_count = 0;
+
+ this->Users->clientlist = new user_hash();
+ this->Users->uuidlist = new user_hash();
+ this->chanlist = new chan_hash();
+
+ this->Config = new ServerConfig(this);
+ this->SNO = new SnomaskManager(this);
+ this->BanCache = new BanCacheManager(this);
+ this->Modules = new ModuleManager(this);
+ this->stats = new serverstats();
+ this->Timers = new TimerManager(this);
+ this->Parser = new CommandParser(this);
+ this->XLines = new XLineManager(this);
+
+ this->Config->argv = argv;
+ this->Config->argc = argc;
+
+ if (chdir(Config->GetFullProgDir().c_str()))
+ {
+ printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
+ exit(0);
+ }
+
+ this->Config->opertypes.clear();
+ this->Config->operclass.clear();
+
+ this->TIME = this->OLDTIME = this->startup_time = time(NULL);
+ srand(this->TIME);
+
+ *this->LogFileName = 0;
+ strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);
+
+ struct option longopts[] =
+ {
+ { "nofork", no_argument, &do_nofork, 1 },
+ { "logfile", required_argument, NULL, 'f' },
+ { "config", required_argument, NULL, 'c' },
+ { "debug", no_argument, &do_debug, 1 },
+ { "nolog", no_argument, &do_nolog, 1 },
+ { "runasroot", no_argument, &do_root, 1 },
+ { "version", no_argument, &do_version, 1 },
+ { "testsuite", no_argument, &do_testsuite, 1 },
+ { 0, 0, 0, 0 }
+ };
+
+ int index;
+ while ((c = getopt_long_only(argc, argv, ":f:", longopts, &index)) != -1)
+ {
+ switch (c)
+ {
+ case 'f':
+ /* Log filename was set */
+ strlcpy(LogFileName, optarg, MAXBUF);
+ break;
+ case 'c':
+ /* Config filename was set */
+ strlcpy(ConfigFileName, optarg, MAXBUF);
+ break;
+ case 0:
+ /* getopt_long_only() set an int variable, just keep going */
+ break;
+ case '?':
+ /* Unknown parameter */
+ default:
+ /* Fall through to handle other weird values too */
+ printf("Unknown parameter '%s'\n", argv[optind-1]);
+ printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>]\n%*s[--runasroot] [--version] [--config <config>] [--testsuite]\n", argv[0], 8+strlen(argv[0]), " ");
+ Exit(EXIT_STATUS_ARGV);
+ break;
+ }
+ }
+
+ if (do_testsuite)
+ do_nofork = do_debug = true;
+
+ if (do_version)
+ {
+ printf("\n%s r%s\n", VERSION, REVISION);
+ Exit(EXIT_STATUS_NOERROR);
+ }
+
+#ifdef WIN32
+
+ // Handle forking
+ if(!do_nofork)
+ {
+ DWORD ExitCode = WindowsForkStart(this);
+ if(ExitCode)
+ exit(ExitCode);
+ }
+
+ // Set up winsock
+ WSADATA wsadata;
+ WSAStartup(MAKEWORD(2,0), &wsadata);
+ ChangeWindowsSpecificPointers(this);
+#endif
+ strlcpy(Config->MyExecutable,argv[0],MAXBUF);
+
+ /* Set the finished argument values */
+ Config->nofork = do_nofork;
+ Config->forcedebug = do_debug;
+ Config->writelog = !do_nolog;
+ Config->TestSuite = do_testsuite;
+
+ if (!this->OpenLog(argv, argc))
+ {
+ printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
+ Exit(EXIT_STATUS_LOG);
+ }
+
+ if (!ServerConfig::FileExists(this->ConfigFileName))
+ {
+#ifdef WIN32
+ /* Windows can (and defaults to) hide file extensions, so let's play a bit nice for windows users. */
+ std::string txtconf = this->ConfigFileName;
+ txtconf.append(".txt");
+
+ if (ServerConfig::FileExists(txtconf.c_str()))
+ {
+ strlcat(this->ConfigFileName, ".txt", MAXBUF);
+ }
+ else
+#endif
+ {
+ printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
+ this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName);
+ Exit(EXIT_STATUS_CONFIG);
+ }
+ }
+
+ printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
+ printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
+ printf_c("Developers:\n");
+ printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n");
+ printf_c("\t\033[1;32mpeavey, aquanight, psychon, dz, danieldg\033[0m\n\n");
+ printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
+
+ Config->ClearStack();
+
+ this->Modes = new ModeParser(this);
+
+ if (!do_root)
+ this->CheckRoot();
+ else
+ {
+ printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
+ printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
+ printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
+ printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
+ printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
+ printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
+ printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
+ printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
+ sleep(20);
+ }
+
+ this->SetSignals();
+
+ if (!Config->nofork)
+ {
+ if (!this->DaemonSeed())
+ {
+ printf("ERROR: could not go into daemon mode. Shutting down.\n");
+ Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
+ Exit(EXIT_STATUS_FORK);
+ }
+ }
+
+ SE->RecoverFromFork();
+
+ /* During startup we don't actually initialize this
+ * in the thread engine.
+ */
+ this->Config->Read();
+ this->Config->Apply(NULL, "");
+ Logs->OpenFileLogs();
+
+ /** Note: This is safe, the method checks for user == NULL */
+ this->Parser->SetupCommandTable();
+
+ this->Res = new DNS(this);
+
+ this->AddServerName(Config->ServerName);
+
+ /*
+ * Initialise SID/UID.
+ * For an explanation as to exactly how this works, and why it works this way, see GetUID().
+ * -- w00t
+ */
+ if (!*Config->sid)
+ {
+ // Generate one
+ size_t sid = 0;
+
+ for (const char* x = Config->ServerName; *x; ++x)
+ sid = 5 * sid + *x;
+ for (const char* y = Config->ServerDesc; *y; ++y)
+ sid = 5 * sid + *y;
+ sid = sid % 999;
+
+ Config->sid[0] = (char)(sid / 100 + 48);
+ Config->sid[1] = (char)(((sid / 10) % 10) + 48);
+ Config->sid[2] = (char)(sid % 10 + 48);
+ Config->sid[3] = '\0';
+ }
+
+ /* set up fake client again this time with the correct uid */
+ this->FakeClient = new FakeUser(this, "!");
+ this->FakeClient->SetFakeServer(Config->ServerName);
+
+ // Get XLine to do it's thing.
+ this->XLines->CheckELines();
+ this->XLines->ApplyLines();
+
+ CheckDie();
+ int bounditems = BindPorts(pl);
+
+ printf("\n");
+
+ this->Modules->LoadAll();
+
+ /* Just in case no modules were loaded - fix for bug #101 */
+ this->BuildISupport();
+ InitializeDisabledCommands(Config->DisabledCommands, this);
+
+ if (!pl.empty())
+ {
+ printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n",
+ bounditems, bounditems + (int)pl.size());
+ printf("The following port(s) failed to bind:\n");
+ printf("Hint: Try using a public IP instead of blank or *\n\n");
+ int j = 1;
+ for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
+ {
+ printf("%d.\tAddress: %s\tReason: %s\n", j, i->first.empty() ? "<all>" : i->first.c_str(), i->second.c_str());
+ }
+ }
+
+ printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
+
+#ifndef WINDOWS
+ if (!Config->nofork)
+ {
+ if (kill(getppid(), SIGTERM) == -1)
+ {
+ printf("Error killing parent process: %s\n",strerror(errno));
+ Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno));
+ }
+ }
+
+ if (isatty(0) && isatty(1) && isatty(2))
+ {
+ /* We didn't start from a TTY, we must have started from a background process -
+ * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
+ * close stdin/stdout
+ */
+ if ((!do_nofork) && (!do_testsuite))
+ {
+ fclose(stdin);
+ fclose(stderr);
+ fclose(stdout);
+ }
+ else
+ {
+ Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
+ }
+ }
+#else
+ WindowsIPC = new IPC(this);
+ if(!Config->nofork)
+ {
+ WindowsForkKillOwner(this);
+ FreeConsole();
+ }
+ /* Set win32 service as running, if we are running as a service */
+ SetServiceRunning();
+#endif
+
+ Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
+
+#ifndef WIN32
+ if (*(this->Config->SetGroup))
+ {
+ int ret;
+
+ // setgroups
+ ret = setgroups(0, NULL);
+
+ if (ret == -1)
+ {
+ this->Logs->Log("SETGROUPS", DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
+ this->QuickExit(0);
+ }
+
+ // setgid
+ struct group *g;
+
+ errno = 0;
+ g = getgrnam(this->Config->SetGroup);
+
+ if (!g)
+ {
+ this->Logs->Log("SETGUID", DEFAULT, "getgrnam() failed (bad user?): %s", strerror(errno));
+ this->QuickExit(0);
+ }
+
+ ret = setgid(g->gr_gid);
+
+ if (ret == -1)
+ {
+ this->Logs->Log("SETGUID", DEFAULT, "setgid() failed (bad user?): %s", strerror(errno));
+ this->QuickExit(0);
+ }
+ }
+
+ if (*(this->Config->SetUser))
+ {
+ // setuid
+ struct passwd *u;
+
+ errno = 0;
+ u = getpwnam(this->Config->SetUser);
+
+ if (!u)
+ {
+ this->Logs->Log("SETGUID", DEFAULT, "getpwnam() failed (bad user?): %s", strerror(errno));
+ this->QuickExit(0);
+ }
+
+ int ret = setuid(u->pw_uid);
+
+ if (ret == -1)
+ {
+ this->Logs->Log("SETGUID", DEFAULT, "setuid() failed (bad user?): %s", strerror(errno));
+ this->QuickExit(0);
+ }
+ }
+#endif
+
+ this->WritePID(Config->PID);
+}
+
+int InspIRCd::Run()
+{
+ /* See if we're supposed to be running the test suite rather than entering the mainloop */
+ if (Config->TestSuite)
+ {
+ TestSuite* ts = new TestSuite(this);
+ delete ts;
+ Exit(0);
+ }
+
+ while (true)
+ {
+#ifndef WIN32
+ static rusage ru;
+#else
+ static time_t uptime;
+ static struct tm * stime;
+ static char window_title[100];
+#endif
+
+ /* Check if there is a config thread which has finished executing but has not yet been freed */
+ if (this->ConfigThread && this->ConfigThread->IsDone())
+ {
+ /* Rehash has completed */
+ this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up...");
+
+ /* Switch over logfiles */
+ Logs->CloseLogs();
+ Logs->OpenFileLogs();
+
+ /*
+ * Apply the changed configuration from the rehash. This is not done within the
+ * configuration thread becasuse they may invoke functions that are not threadsafe.
+ *
+ * XXX: The order of these is IMPORTANT, do not reorder them without testing
+ * thoroughly!!!
+ */
+ this->ConfigThread->Finish();
+ this->XLines->CheckELines();
+ this->XLines->ApplyLines();
+ this->Res->Rehash();
+ this->ResetMaxBans();
+ InitializeDisabledCommands(Config->DisabledCommands, this);
+ User* user = ConfigThread->TheUserUID.empty() ? FindNick(ConfigThread->TheUserUID) : NULL;
+ FOREACH_MOD_I(this, I_OnRehash, OnRehash(user));
+ this->BuildISupport();
+
+ delete ConfigThread;
+ ConfigThread = NULL;
+ }
+
+ /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
+ * Once per loop iteration is pleanty.
+ */
+ OLDTIME = TIME;
+ TIME = time(NULL);
+
+ /* Run background module timers every few seconds
+ * (the docs say modules shouldnt rely on accurate
+ * timing using this event, so we dont have to
+ * time this exactly).
+ */
+ if (TIME != OLDTIME)
+ {
+ /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
+ if (TIME < OLDTIME - 2)
+ {
+ SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME);
+ }
+ else if (TIME > OLDTIME + 2)
+ {
+ SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)TIME - OLDTIME);
+ }
+
+ if ((TIME % 3600) == 0)
+ {
+ this->RehashUsersAndChans();
+ FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
+ }
+
+ Timers->TickTimers(TIME);
+ this->DoBackgroundUserStuff();
+
+ if ((TIME % 5) == 0)
+ {
+ FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
+ SNO->FlushSnotices();
+ }
+#ifndef WIN32
+ /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
+ if (!getrusage(RUSAGE_SELF, &ru))
+ {
+ gettimeofday(&this->stats->LastSampled, NULL);
+ this->stats->LastCPU = ru.ru_utime;
+ }
+#else
+ WindowsIPC->Check();
+#endif
+ }
+
+ /* Call the socket engine to wait on the active
+ * file descriptors. The socket engine has everything's
+ * descriptors in its list... dns, modules, users,
+ * servers... so its nice and easy, just one call.
+ * This will cause any read or write events to be
+ * dispatched to their handlers.
+ */
+ this->SE->DispatchEvents();
+
+ /* if any users were quit, take them out */
+ this->GlobalCulls.Apply();
+
+ /* If any inspsockets closed, remove them */
+ this->BufferedSocketCull();
+
+ if (this->s_signal)
+ {
+ this->SignalHandler(s_signal);
+ this->s_signal = 0;
+ }
+ }
+
+ return 0;
+}
+
+void InspIRCd::BufferedSocketCull()
+{
+ for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
+ {
+ this->Logs->Log("MISC",DEBUG,"Cull socket");
+ SE->DelFd(x->second);
+ x->second->Close();
+ delete x->second;
+ }
+ SocketCull.clear();
+}
+
+/**********************************************************************************/
+
+/**
+ * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
+ */
+
+/* this returns true when all modules are satisfied that the user should be allowed onto the irc server
+ * (until this returns true, a user will block in the waiting state, waiting to connect up to the
+ * registration timeout maximum seconds)
+ */
+bool InspIRCd::AllModulesReportReady(User* user)
+{
+ for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
+ {
+ if (!(*i)->OnCheckReady(user))
+ return false;
+ }
+ return true;
+}
+
+time_t InspIRCd::Time()
+{
+ return TIME;
+}
+
+void InspIRCd::SetSignal(int signal)
+{
+ *mysig = signal;
+}
+
+/* On posix systems, the flow of the program starts right here, with
+ * ENTRYPOINT being a #define that defines main(). On Windows, ENTRYPOINT
+ * defines smain() and the real main() is in the service code under
+ * win32service.cpp. This allows the service control manager to control
+ * the process where we are running as a windows service.
+ */
+ENTRYPOINT
+{
+ SI = new InspIRCd(argc, argv);
+ mysig = &SI->s_signal;
+ SI->Run();
+ delete SI;
+ return 0;
+}