X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Finspircd.cpp;h=765ee71fdaad6ba585c41e14d213e0890ebb9991;hb=dde67b9765bc485d807f181bba108c00f4c44dba;hp=354befcb311cf9ea534d76276d483fb306d2b427;hpb=84951d4b109ddfe6b68871516afa0e76d3b8e3af;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/inspircd.cpp b/src/inspircd.cpp index 354befcb3..765ee71fd 100644 --- a/src/inspircd.cpp +++ b/src/inspircd.cpp @@ -2,92 +2,90 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ +/* $Install: src/inspircd $(BINPATH) */ + #include "inspircd.h" -#include "configreader.h" #include -#include -#include + +#ifndef WIN32 + #include + #include + #include + #include + #include + + /* Some systems don't define RUSAGE_SELF. This should fix them. */ + #ifndef RUSAGE_SELF + #define RUSAGE_SELF 0 + #endif +#endif + #include -#include -#include "modules.h" -#include "mode.h" #include "xline.h" +#include "bancache.h" #include "socketengine.h" #include "inspircd_se_config.h" #include "socket.h" -#include "typedefs.h" #include "command_parse.h" #include "exitcodes.h" -#include -#include - +#include "caller.h" +#include "testsuite.h" -using irc::sockets::NonBlocking; -using irc::sockets::Blocking; using irc::sockets::insp_ntoa; using irc::sockets::insp_inaddr; using irc::sockets::insp_sockaddr; InspIRCd* SI = NULL; +int* mysig = NULL; -void InspIRCd::AddServerName(const std::string &servername) -{ - if(find(servernames.begin(), servernames.end(), servername) == servernames.end()) - servernames.push_back(servername); /* Wasn't already there. */ -} - -const char* InspIRCd::FindServerNamePtr(const std::string &servername) -{ - servernamelist::iterator iter = find(servernames.begin(), servernames.end(), servername); - - if(iter == servernames.end()) - { - AddServerName(servername); - iter = --servernames.end(); - } - - return iter->c_str(); -} - -bool InspIRCd::FindServerName(const std::string &servername) -{ - return (find(servernames.begin(), servernames.end(), servername) != servernames.end()); -} -void InspIRCd::Exit(int status) -{ - if (SI) - { - SI->SendError("Exiting with status " + ConvToStr(status) + " (" + std::string(ExitCodes[status]) + ")"); - SI->Cleanup(); - } - exit (status); -} +/* 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 tag!", /* 12 */ + "Couldn't load module on startup", /* 13 */ + "Could not create windows forked process", /* 14 */ + "Received SIGTERM", /* 15 */ +}; void InspIRCd::Cleanup() { - std::vector mymodnames; - int MyModCount = this->GetModuleCount(); - - for (unsigned int i = 0; i < stats->BoundPortCount; i++) + if (Config) { - /* This calls the constructor and closes the listening socket */ - delete Config->openSockfd[i]; - Config->openSockfd[i] = NULL; + for (unsigned int i = 0; i < Config->ports.size(); i++) + { + /* This calls the constructor and closes the listening socket */ + delete Config->ports[i]; + } + + Config->ports.clear(); } - stats->BoundPortCount = 0; /* Close all client sockets, or the new process inherits them */ - for (std::vector::const_iterator i = this->local_users.begin(); i != this->local_users.end(); i++) + for (std::vector::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++) { (*i)->SetWriteError("Server shutdown"); (*i)->CloseSocket(); @@ -96,22 +94,27 @@ void InspIRCd::Cleanup() /* 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++) { - MyModCount = this->GetModuleCount(); - mymodnames.clear(); - - /* Unload all modules, so they get a chance to clean up their listeners */ - for (int j = 0; j <= MyModCount; j++) - mymodnames.push_back(Config->module_names[j]); - - for (int k = 0; k <= MyModCount; k++) - this->UnloadModule(mymodnames[k].c_str()); + std::vector module_names = Modules->GetAllModuleNames(0); + for (std::vector::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()); + } } /* Close logging */ - this->Logger->Close(); + this->Logs->CloseLogs(); + + /* Cleanup Server Names */ + for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr) + delete (*itr); + + } void InspIRCd::Restart(const std::string &reason) @@ -124,7 +127,15 @@ void InspIRCd::Restart(const std::string &reason) this->Cleanup(); /* Figure out our filename (if theyve renamed it, we're boned) */ - std::string me = Config->MyDir + "/inspircd"; + std::string me; + +#ifdef WINDOWS + char module[MAX_PATH]; + if (GetModuleFileName(NULL, module, MAX_PATH)) + me = module; +#else + me = Config->MyDir + "/inspircd"; +#endif if (execv(me.c_str(), Config->argv) == -1) { @@ -133,34 +144,12 @@ void InspIRCd::Restart(const std::string &reason) } } -void InspIRCd::Start() -{ - printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__); - printf("(C) InspIRCd Development Team.\033[0m\n\n"); - printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special, pippijn, peavey\033[0m\n"); - printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); -} - -void InspIRCd::Rehash(int status) -{ - SI->WriteOpers("*** Rehashing config file %s due to SIGHUP",ServerConfig::CleanFilename(CONFIG_FILE)); - SI->CloseLog(); - SI->OpenLog(SI->Config->argv, SI->Config->argc); - SI->RehashUsersAndChans(); - FOREACH_MOD_I(SI, I_OnGarbageCollect, OnGarbageCollect()); - SI->Config->Read(false,NULL); - SI->ResetMaxBans(); - SI->Res->Rehash(); - FOREACH_MOD_I(SI,I_OnRehash,OnRehash(NULL,"")); -} - 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 @@ -170,39 +159,54 @@ void InspIRCd::ResetMaxBans() */ void InspIRCd::RehashUsersAndChans() { - user_hash* old_users = this->clientlist; + user_hash* old_users = this->Users->clientlist; + user_hash* old_uuid = this->Users->uuidlist; chan_hash* old_chans = this->chanlist; - this->clientlist = new user_hash(); + 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->clientlist->insert(*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::CloseLog() -{ - this->Logger->Close(); -} - void InspIRCd::SetSignals() { +#ifndef WIN32 signal(SIGALRM, SIG_IGN); - signal(SIGHUP, InspIRCd::Rehash); + signal(SIGHUP, InspIRCd::SetSignal); signal(SIGPIPE, SIG_IGN); - signal(SIGTERM, InspIRCd::Exit); signal(SIGCHLD, 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; @@ -223,20 +227,23 @@ bool InspIRCd::DaemonSeed() 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->Log(DEFAULT,"Failed to getrlimit()!"); + this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!"); return false; } else { rl.rlim_cur = rl.rlim_max; if (setrlimit(RLIMIT_CORE, &rl) == -1) - this->Log(DEFAULT,"setrlimit() failed, cannot increase coredump size."); + this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size."); } return true; +#endif } void InspIRCd::WritePID(const std::string &filename) @@ -245,8 +252,8 @@ void InspIRCd::WritePID(const std::string &filename) if (*(fname.begin()) != '/') { std::string::size_type pos; - std::string confpath = CONFIG_FILE; - if ((pos = confpath.find("/inspircd.conf")) != std::string::npos) + 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; @@ -261,62 +268,101 @@ void InspIRCd::WritePID(const std::string &filename) else { printf("Failed to write PID-file '%s', exiting.\n",fname.c_str()); - this->Log(DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str()); + this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str()); Exit(EXIT_STATUS_PID); } } -std::string InspIRCd::GetRevision() -{ - return REVISION; -} - InspIRCd::InspIRCd(int argc, char** argv) - : ModCount(-1), duration_m(60), duration_h(60*60), duration_d(60*60*24), duration_w(60*60*24*7), duration_y(60*60*24*365), GlobalCulls(this) + : GlobalCulls(this), + + /* Functor initialisation. Note that the ordering here is very important. */ + HandleProcessUser(this), + HandleIsNick(this), + HandleIsIdent(this), + HandleFindDescriptor(this), + HandleFloodQuitUser(this), + + /* Functor pointer initialisation. Must match the order of the list above */ + ProcessUser(&HandleProcessUser), + IsNick(&HandleIsNick), + IsIdent(&HandleIsIdent), + FindDescriptor(&HandleFindDescriptor), + FloodQuitUser(&HandleFloodQuitUser) + { + int found_ports = 0; FailedPortList pl; - int do_nofork = 0, do_debug = 0, do_nolog = 0; /* flag variables */ + int do_version = 0, do_nofork = 0, do_debug = 0, + do_nolog = 0, do_root = 0, do_testsuite = 0; /* flag variables */ char c = 0; - modules.resize(255); - factory.resize(255); + 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->unregistered_count = 0; + ThreadEngineFactory* tef = new ThreadEngineFactory(); + this->Threads = tef->Create(this); + delete tef; - this->clientlist = new user_hash(); + 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->Res = NULL; + 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->SNO = new SnomaskManager(this); - this->Start(); + this->TIME = this->OLDTIME = this->startup_time = time(NULL); - this->time_delta = 0; - this->next_call = this->TIME + 3; srand(this->TIME); - if (!ServerConfig::FileExists(CONFIG_FILE)) - { - printf("ERROR: Cannot open config file: %s\nExiting...\n",CONFIG_FILE); - this->Log(DEFAULT,"main: no config"); - printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n"); - Exit(EXIT_STATUS_CONFIG); - } - *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 } }; @@ -327,575 +373,386 @@ InspIRCd::InspIRCd(int argc, char** argv) case 'f': /* Log filename was set */ strlcpy(LogFileName, optarg, MAXBUF); - printf("LOG: Setting logfile to %s\n", LogFileName); + 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; default: /* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */ - printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile ]\n", argv[0]); + printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile ]\n\ + [--runasroot] [--version] [--config ] [--testsuite]\n", 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; - strlcpy(Config->MyExecutable,argv[0],MAXBUF); + 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)) + { + 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;32mpippijn, peavey, aquanight, fez\033[0m\n\n"); + printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n"); - this->OpenLog(argv, argc); - this->stats = new serverstats(); - this->Timers = new TimerManager(this); - this->Parser = new CommandParser(this); - this->XLines = new XLineManager(this); Config->ClearStack(); - Config->Read(true, NULL); - this->CheckRoot(); + this->Modes = new ModeParser(this); - this->AddServerName(Config->ServerName); - CheckDie(); - InitializeDisabledCommands(Config->DisabledCommands, this); - stats->BoundPortCount = BindPorts(true, found_ports, pl); - for(int t = 0; t < 255; t++) - Config->global_implementation[t] = 0; + /* set up fake client (uid is incorrect at this point, + * until after config is read. we set up the user again + * at that point + */ + this->FakeClient = new User(this); + this->FakeClient->SetFd(FD_MAGIC_NUMBER); - memset(&Config->implement_lists,0,sizeof(Config->implement_lists)); + 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); + } - printf("\n"); 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); } } - /* Because of limitations in kqueue on freebsd, we must fork BEFORE we - * initialize the socket engine. + SE->RecoverFromFork(); + + /* During startup we don't actually initialize this + * in the thread engine. */ - SocketEngineFactory* SEF = new SocketEngineFactory(); - SE = SEF->Create(this); - delete SEF; + this->ConfigThread = new ConfigReaderThread(this, true, NULL); + ConfigThread->Run(); + delete ConfigThread; + this->ConfigThread = NULL; this->Res = new DNS(this); - this->LoadAllModules(); - /* Just in case no modules were loaded - fix for bug #101 */ - this->BuildISupport(); + this->AddServerName(Config->ServerName); - if ((stats->BoundPortCount == 0) && (found_ports > 0)) + /* + * Initialise SID/UID. + * For an explanation as to exactly how this works, and why it works this way, see GetUID(). + * -- w00t + */ + if (!*Config->sid) { - printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n"); - Exit(EXIT_STATUS_BIND); - } + // Generate one + size_t sid = 0; - if (stats->BoundPortCount != (unsigned int)found_ports) - { - printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %ld of %d client ports bound.\n\n", stats->BoundPortCount, found_ports); - printf("The following port%s failed to bind:\n", found_ports - stats->BoundPortCount != 1 ? "s" : ""); - int j = 1; - for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++) - { - printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "" : i->first.c_str(), (unsigned long)i->second); - } - } + 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; - /* Add the listening sockets used for client inbound connections - * to the socket engine - */ - for (unsigned long count = 0; count < stats->BoundPortCount; count++) - { - if (!SE->AddFd(Config->openSockfd[count])) - { - printf("\nEH? Could not add listener to socketengine. You screwed up, aborting.\n"); - Exit(EXIT_STATUS_INTERNAL); - } + Config->sid[0] = (char)(sid / 100 + 48); + Config->sid[1] = (char)(((sid / 10) % 10) + 48); + Config->sid[2] = (char)(sid % 10 + 48); } - if (!Config->nofork) - { - if (kill(getppid(), SIGTERM) == -1) - printf("Error killing parent process: %s\n",strerror(errno)); - fclose(stdin); - fclose(stderr); - fclose(stdout); - } + this->InitialiseUID(); - printf("\nInspIRCd is now running!\n"); + /* set up fake client again this time with the correct uid */ + delete FakeClient; + this->FakeClient = new User(this); + this->FakeClient->SetFd(FD_MAGIC_NUMBER); - this->WritePID(Config->PID); -} + // Get XLine to do it's thing. + this->XLines->CheckELines(); + this->XLines->ApplyLines(); -std::string InspIRCd::GetVersionString() -{ - char versiondata[MAXBUF]; - char dnsengine[] = "singlethread-object"; - if (*Config->CustomVersion) - { - snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion); - } - else - { - snprintf(versiondata,MAXBUF,"%s %s :%s [FLAGS=%s,%s,%s]",VERSION,Config->ServerName,SYSTEM,REVISION,SE->GetName().c_str(),dnsengine); - } - return versiondata; -} -char* InspIRCd::ModuleError() -{ - return MODERR; -} + CheckDie(); + int bounditems = BindPorts(true, found_ports, pl); -void InspIRCd::EraseFactory(int j) -{ - int v = 0; - for (std::vector::iterator t = factory.begin(); t != factory.end(); t++) + printf("\n"); + + this->Modules->LoadAll(); + + /* Just in case no modules were loaded - fix for bug #101 */ + this->BuildISupport(); + InitializeDisabledCommands(Config->DisabledCommands, this); + + /*if ((Config->ports.size() == 0) && (found_ports > 0)) { - if (v == j) - { - delete *t; - factory.erase(t); - factory.push_back(NULL); - return; - } - v++; - } -} + printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n"); + Logs->Log("STARTUP", DEFAULT,"ERROR: I couldn't bind any ports! Something else is bound to those ports!"); + Exit(EXIT_STATUS_BIND); + }*/ -void InspIRCd::EraseModule(int j) -{ - int v1 = 0; - for (ModuleList::iterator m = modules.begin(); m!= modules.end(); m++) + if (Config->ports.size() != (unsigned int)found_ports) { - if (v1 == j) + printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports); + printf("The following port(s) failed to bind:\n"); + int j = 1; + for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++) { - DELETE(*m); - modules.erase(m); - modules.push_back(NULL); - break; + printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "" : i->first.c_str(), (unsigned long)i->second); } - v1++; } - int v2 = 0; - for (std::vector::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++) +#ifndef WINDOWS + if (!Config->nofork) { - if (v2 == j) + if (kill(getppid(), SIGTERM) == -1) { - Config->module_names.erase(v); - break; + printf("Error killing parent process: %s\n",strerror(errno)); + Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno)); } - v2++; } -} - -void InspIRCd::MoveTo(std::string modulename,int slot) -{ - unsigned int v2 = 256; - for (unsigned int v = 0; v < Config->module_names.size(); v++) + if (isatty(0) && isatty(1) && isatty(2)) { - if (Config->module_names[v] == modulename) + /* 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) { - // found an instance, swap it with the item at the end - v2 = v; - break; + fclose(stdin); + fclose(stderr); + fclose(stdout); } - } - if ((v2 != (unsigned int)slot) && (v2 < 256)) - { - // Swap the module names over - Config->module_names[v2] = Config->module_names[slot]; - Config->module_names[slot] = modulename; - // now swap the module factories - ircd_module* temp = factory[v2]; - factory[v2] = factory[slot]; - factory[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++) + else { - char x = Config->implement_lists[v2][n]; - Config->implement_lists[v2][n] = Config->implement_lists[slot][n]; - Config->implement_lists[slot][n] = x; + Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground."); } } -} - -void InspIRCd::MoveAfter(std::string modulename, std::string after) -{ - for (unsigned int v = 0; v < Config->module_names.size(); v++) +#else + WindowsIPC = new IPC(this); + if(!Config->nofork) { - if (Config->module_names[v] == after) - { - MoveTo(modulename, v); - return; - } + WindowsForkKillOwner(this); + FreeConsole(); } -} +#endif -void InspIRCd::MoveBefore(std::string modulename, std::string before) -{ - for (unsigned int v = 0; v < Config->module_names.size(); v++) - { - if (Config->module_names[v] == before) - { - if (v > 0) - { - MoveTo(modulename, v-1); - } - else - { - MoveTo(modulename, v); - } - return; - } - } -} + printf("\nInspIRCd is now running as '%s'[%s]\n", Config->ServerName,Config->GetSID().c_str()); + Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s]", Config->ServerName,Config->GetSID().c_str()); -void InspIRCd::MoveToFirst(std::string modulename) -{ - MoveTo(modulename,0); + this->WritePID(Config->PID); } -void InspIRCd::MoveToLast(std::string modulename) +/* moved to a function, as UID generation can call this also */ +void InspIRCd::InitialiseUID() { - MoveTo(modulename,this->GetModuleCount()); -} + int i = 3; -void InspIRCd::BuildISupport() -{ - // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it... - std::stringstream v; - v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=" << this->Modes->BuildPrefixes() << " MAP MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1; - v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN="; - v << MAXAWAY << " CHANMODES=" << this->Modes->ChanModes() << " FNC NETWORK=" << Config->Network << " MAXPARA=32"; - Config->data005 = v.str(); - FOREACH_MOD_I(this,I_On005Numeric,On005Numeric(Config->data005)); - Config->Update005(); + current_uid[0] = Config->sid[0]; + current_uid[1] = Config->sid[1]; + current_uid[2] = Config->sid[2]; + + /* Initialise UID */ + for(i = 3; i < UUID_LENGTH - 1; i++) + current_uid[i] = 'A'; + + current_uid[UUID_LENGTH] = '\0'; } -bool InspIRCd::UnloadModule(const char* filename) +int InspIRCd::Run() { - std::string filename_str = filename; - for (unsigned int j = 0; j != Config->module_names.size(); j++) + /* See if we're supposed to be running the test suite rather than entering the mainloop */ + if (Config->TestSuite) { - if (Config->module_names[j] == filename_str) - { - if (modules[j]->GetVersion().Flags & VF_STATIC) - { - this->Log(DEFAULT,"Failed to unload STATIC module %s",filename); - snprintf(MODERR,MAXBUF,"Module not unloadable (marked static)"); - return false; - } - std::pair intercount = GetInterfaceInstanceCount(modules[j]); - if (intercount.first > 0) - { - this->Log(DEFAULT,"Failed to unload module %s, being used by %d other(s) via interface '%s'",filename, intercount.first, intercount.second.c_str()); - snprintf(MODERR,MAXBUF,"Module not unloadable (Still in use by %d other module%s which %s using its interface '%s') -- unload dependent modules first!", - intercount.first, - intercount.first > 1 ? "s" : "", - intercount.first > 1 ? "are" : "is", - intercount.second.c_str()); - return false; - } - /* Give the module a chance to tidy out all its metadata */ - for (chan_hash::iterator c = this->chanlist->begin(); c != this->chanlist->end(); c++) - { - modules[j]->OnCleanup(TYPE_CHANNEL,c->second); - } - for (user_hash::iterator u = this->clientlist->begin(); u != this->clientlist->end(); u++) - { - modules[j]->OnCleanup(TYPE_USER,u->second); - } - - /* Tidy up any dangling resolvers */ - this->Res->CleanResolvers(modules[j]); + TestSuite* ts = new TestSuite(this); + delete ts; + Exit(0); + } - FOREACH_MOD_I(this,I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j])); + while (true) + { +#ifndef WIN32 + static rusage ru; +#else + static time_t uptime; + static struct tm * stime; + static char window_title[100]; +#endif - for(int t = 0; t < 255; t++) - { - Config->global_implementation[t] -= Config->implement_lists[j][t]; - } + /* Check if there is a config thread which has finished executing but has not yet been freed */ + if (this->ConfigThread && this->ConfigThread->GetExitFlag()) + { + /* Rehash has completed */ + this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up..."); - /* We have to renumber implement_lists after unload because the module numbers change! + /* IMPORTANT: This delete may hang if you fuck up your thread syncronization. + * It will hang waiting for the ConfigThread to 'join' to avoid race conditons, + * until the other thread is completed. */ - for(int j2 = j; j2 < 254; j2++) - { - for(int t = 0; t < 255; t++) - { - Config->implement_lists[j2][t] = Config->implement_lists[j2+1][t]; - } - } - - // found the module - Parser->RemoveCommands(filename); - this->EraseModule(j); - this->EraseFactory(j); - this->Log(DEFAULT,"Module %s unloaded",filename); - this->ModCount--; - BuildISupport(); - return true; + delete ConfigThread; + ConfigThread = NULL; + + /* These are currently not known to be threadsafe, so they are executed outside + * of the thread. It would be pretty simple to move them to the thread Run method + * once they are known threadsafe with all the correct mutexes in place. + * + * XXX: The order of these is IMPORTANT, do not reorder them without testing + * thoroughly!!! + */ + this->XLines->CheckELines(); + this->XLines->ApplyLines(); + this->Res->Rehash(); + this->ResetMaxBans(); + InitializeDisabledCommands(Config->DisabledCommands, this); + FOREACH_MOD_I(this, I_OnRehash, OnRehash(Config->RehashUser, Config->RehashParameter)); + this->BuildISupport(); } - } - this->Log(DEFAULT,"Module %s is not loaded, cannot unload it!",filename); - snprintf(MODERR,MAXBUF,"Module not loaded"); - return false; -} -bool InspIRCd::LoadModule(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(Config->ModPath); - if (library) - { - /* Try and locate and load all modules matching the pattern */ - dirent* entry = NULL; - while ((entry = readdir(library))) - { - if (this->MatchText(entry->d_name, filename)) - { - if (!this->LoadModule(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. + /* time() seems to be a pretty expensive syscall, so avoid calling it too much. + * Once per loop iteration is pleanty. */ - return (n_match > 0); - } - - char modfile[MAXBUF]; - snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename); - std::string filename_str = filename; + OLDTIME = TIME; + TIME = time(NULL); - if (!ServerConfig::DirValid(modfile)) - { - this->Log(DEFAULT,"Module %s is not within the modules directory.",modfile); - snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile); - return false; - } - if (ServerConfig::FileExists(modfile)) - { - - for (unsigned int j = 0; j < Config->module_names.size(); j++) + /* 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) { - if (Config->module_names[j] == filename_str) + if (TIME < OLDTIME) { - this->Log(DEFAULT,"Module %s is already loaded, cannot load a module twice!",modfile); - snprintf(MODERR,MAXBUF,"Module already loaded"); - return false; + SNO->WriteToSnoMask('A', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",OLDTIME-TIME); } - } - try - { - ircd_module* a = new ircd_module(this, modfile); - factory[this->ModCount+1] = a; - if (factory[this->ModCount+1]->LastError()) + + if ((TIME % 3600) == 0) { - this->Log(DEFAULT,"Unable to load %s: %s",modfile,factory[this->ModCount+1]->LastError()); - snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[this->ModCount+1]->LastError()); - return false; + this->RehashUsersAndChans(); + FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect()); } - if ((long)factory[this->ModCount+1]->factory != -1) + + Timers->TickTimers(TIME); + this->DoBackgroundUserStuff(); + + if ((TIME % 5) == 0) { - Module* m = factory[this->ModCount+1]->factory->CreateModule(this); - - Version v = m->GetVersion(); - - if (v.API != API_VERSION) - { - delete m; - delete a; - this->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 - { - 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]")); - } - - modules[this->ModCount+1] = m; - /* save the module and the module's classfactory, if - * this isnt done, random crashes can occur :/ */ - Config->module_names.push_back(filename); - - char* x = &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++) - Config->global_implementation[t] += Config->implement_lists[this->ModCount+1][t]; + FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME)); + SNO->FlushSnotices(); } - else +#ifndef WIN32 + /* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */ + if (!getrusage(RUSAGE_SELF, &ru)) { - this->Log(DEFAULT,"Unable to load %s",modfile); - snprintf(MODERR,MAXBUF,"Factory function failed: Probably missing init_module() entrypoint."); - return false; + gettimeofday(&this->stats->LastSampled, NULL); + this->stats->LastCPU = ru.ru_utime; } +#else + WindowsIPC->Check(); +#endif } - catch (CoreException& modexcept) - { - this->Log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason()); - snprintf(MODERR,MAXBUF,"Factory function of %s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); - return false; - } - } - else - { - this->Log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile); - snprintf(MODERR,MAXBUF,"Module file could not be found"); - return false; - } - this->ModCount++; - FOREACH_MOD_I(this,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 put_to_back; - std::vector put_to_front; - std::map put_before; - std::map put_after; - for (unsigned int j = 0; j < Config->module_names.size(); j++) - { - if (modules[j]->Prioritize() == PRIORITY_LAST) - put_to_back.push_back(Config->module_names[j]); - else if (modules[j]->Prioritize() == PRIORITY_FIRST) - put_to_front.push_back(Config->module_names[j]); - else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE) - put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8]; - else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER) - put_after[Config->module_names[j]] = 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::iterator j = put_before.begin(); j != put_before.end(); j++) - MoveBefore(j->first,j->second); - for (std::map::iterator j = put_after.begin(); j != put_after.end(); j++) - MoveAfter(j->first,j->second); - BuildISupport(); - return true; -} - -void InspIRCd::DoOneIteration(bool process_module_sockets) -{ - static rusage ru; - /* 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); + /* 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(); - /* 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) - { - if (TIME < OLDTIME) - WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME)); - if ((TIME % 3600) == 0) - { - this->RehashUsersAndChans(); - FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect()); - } - Timers->TickTimers(TIME); - this->DoBackgroundUserStuff(TIME); + /* if any users were quit, take them out */ + this->GlobalCulls.Apply(); - if ((TIME % 5) == 0) - { - XLines->expire_lines(); - FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME)); - Timers->TickMissedTimers(TIME); - } + /* If any inspsockets closed, remove them */ + this->BufferedSocketCull(); - if (!getrusage(0, &ru)) + if (this->s_signal) { - gettimeofday(&this->stats->LastSampled, NULL); - this->stats->LastCPU = ru.ru_utime; + this->SignalHandler(s_signal); + this->s_signal = 0; } } - /* 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. - */ - SE->DispatchEvents(); - - /* if any users was quit, take them out */ - GlobalCulls.Apply(); - -} - -bool InspIRCd::IsIdent(const char* n) -{ - if (!n || !*n) - return false; - - for (char* i = (char*)n; *i; i++) - { - if ((*i >= 'A') && (*i <= '}')) - { - continue; - } - if (((*i >= '0') && (*i <= '9')) || (*i == '-') || (*i == '.')) - { - continue; - } - return false; - } - return true; + return 0; } - -int InspIRCd::Run() +void InspIRCd::BufferedSocketCull() { - while (true) + for (std::map::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x) { - DoOneIteration(true); + this->Logs->Log("MISC",DEBUG,"Cull socket"); + SE->DelFd(x->second); + x->second->Close(); + delete x->second; } - /* This is never reached -- we hope! */ - return 0; + SocketCull.clear(); } /**********************************************************************************/ /** - * An ircd in four lines! bwahahaha. ahahahahaha. ahahah *cough*. + * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*. */ -int main(int argc, char** argv) +int main(int argc, char ** argv) { SI = new InspIRCd(argc, argv); + mysig = &SI->s_signal; SI->Run(); delete SI; return 0; @@ -905,138 +762,22 @@ int main(int argc, char** argv) * (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(userrec* user) +bool InspIRCd::AllModulesReportReady(User* user) { - if (!Config->global_implementation[I_OnCheckReady]) - return true; - - for (int i = 0; i <= this->GetModuleCount(); i++) + for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i) { - if (Config->implement_lists[i][I_OnCheckReady]) - { - int res = modules[i]->OnCheckReady(user); - if (!res) - return false; - } + if (!(*i)->OnCheckReady(user)) + return false; } return true; } -int InspIRCd::GetModuleCount() +time_t InspIRCd::Time() { - return this->ModCount; -} - -time_t InspIRCd::Time(bool delta) -{ - if (delta) - return TIME + time_delta; return TIME; } -int InspIRCd::SetTimeDelta(int delta) -{ - int old = time_delta; - time_delta += delta; - this->Log(DEBUG, "Time delta set to %d (was %d)", time_delta, old); - return old; -} - -void InspIRCd::AddLocalClone(userrec* user) -{ - clonemap::iterator x = local_clones.find(user->GetIPString()); - if (x != local_clones.end()) - x->second++; - else - local_clones[user->GetIPString()] = 1; -} - -void InspIRCd::AddGlobalClone(userrec* user) -{ - clonemap::iterator y = global_clones.find(user->GetIPString()); - if (y != global_clones.end()) - y->second++; - else - global_clones[user->GetIPString()] = 1; -} - -int InspIRCd::GetTimeDelta() -{ - return time_delta; -} - -bool FileLogger::Readable() -{ - return false; -} - -void FileLogger::HandleEvent(EventType et, int errornum) +void InspIRCd::SetSignal(int signal) { - this->WriteLogLine(""); - if (log) - ServerInstance->SE->DelFd(this); + *mysig = signal; } - -void FileLogger::WriteLogLine(const std::string &line) -{ - if (line.length()) - buffer.append(line); - - if (log) - { - int written = fprintf(log,"%s",buffer.c_str()); - if ((written >= 0) && (written < (int)buffer.length())) - { - buffer.erase(0, buffer.length()); - ServerInstance->SE->AddFd(this); - } - else if (written == -1) - { - if (errno == EAGAIN) - ServerInstance->SE->AddFd(this); - } - else - { - /* Wrote the whole buffer, and no need for write callback */ - buffer = ""; - } - } - if (writeops++ % 20) - { - fflush(log); - } -} - -void FileLogger::Close() -{ - if (log) - { - int flags = fcntl(fileno(log), F_GETFL, 0); - fcntl(fileno(log), F_SETFL, flags ^ O_NONBLOCK); - if (buffer.size()) - fprintf(log,"%s",buffer.c_str()); - - ServerInstance->SE->DelFd(this); - - fflush(log); - fclose(log); - } - - buffer = ""; -} - -FileLogger::FileLogger(InspIRCd* Instance, FILE* logfile) : ServerInstance(Instance), log(logfile), writeops(0) -{ - if (log) - { - irc::sockets::NonBlocking(fileno(log)); - this->SetFd(fileno(log)); - buffer = ""; - } -} - -FileLogger::~FileLogger() -{ - this->Close(); -} -