#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
#else
#include <iostream>
#include "xline.h"
#include "exitcodes.h"
-#include "testsuite.h"
InspIRCd* ServerInstance = NULL;
"Received SIGTERM" // 10
};
-#ifdef INSPIRCD_ENABLE_TESTSUITE
-/** True if we have been told to run the testsuite from the commandline,
- * rather than entering the mainloop.
- */
-static int do_testsuite = 0;
+namespace
+{
+ void VoidSignalHandler(int);
+
+ // Deletes a pointer and then zeroes it.
+ template<typename T>
+ void DeleteZero(T*& pr)
+ {
+ T* p = pr;
+ pr = NULL;
+ delete p;
+ }
+
+ // Drops to the unprivileged user/group specified in <security:runas{user,group}>.
+ void DropRoot()
+ {
+#ifndef _WIN32
+ ConfigTag* security = ServerInstance->Config->ConfValue("security");
+
+ const std::string SetGroup = security->getString("runasgroup");
+ if (!SetGroup.empty())
+ {
+ errno = 0;
+ if (setgroups(0, NULL) == -1)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
+ exit(EXIT_STATUS_CONFIG);
+ }
+
+ struct group* g = getgrnam(SetGroup.c_str());
+ if (!g)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno));
+ exit(EXIT_STATUS_CONFIG);
+ }
+
+ if (setgid(g->gr_gid) == -1)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "setgid(%d) failed (wrong group?): %s", g->gr_gid, strerror(errno));
+ exit(EXIT_STATUS_CONFIG);
+ }
+ }
+
+ const std::string SetUser = security->getString("runasuser");
+ if (!SetUser.empty())
+ {
+ errno = 0;
+ struct passwd* u = getpwnam(SetUser.c_str());
+ if (!u)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno));
+ exit(EXIT_STATUS_CONFIG);
+ }
+
+ if (setuid(u->pw_uid) == -1)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "setuid(%d) failed (wrong user?): %s", u->pw_uid, strerror(errno));
+ exit(EXIT_STATUS_CONFIG);
+ }
+ }
#endif
+ }
-template<typename T> static void DeleteZero(T*&n)
-{
- T* t = n;
- n = NULL;
- delete t;
+ // Attempts to fork into the background.
+ bool ForkIntoBackground()
+ {
+#ifndef _WIN32
+ // We use VoidSignalHandler whilst forking to avoid breaking daemon scripts
+ // if the parent process exits with SIGTERM (15) instead of EXIT_STATUS_NOERROR (0).
+ signal(SIGTERM, VoidSignalHandler);
+
+ errno = 0;
+ int childpid = fork();
+ if (childpid < 0)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "fork() failed: %s", strerror(errno));
+ return false;
+ }
+ else if (childpid > 0)
+ {
+ // Wait until the child process kills the parent so that the shell prompt
+ // doesnt display over the output. Sending a kill with a signal of 0 just
+ // checks that the child pid is still running. If it is not then an error
+ // happened and the parent should exit.
+ while (kill(childpid, 0) != -1)
+ sleep(1);
+ exit(EXIT_STATUS_NOERROR);
+ }
+ else
+ {
+ setsid();
+ signal(SIGTERM, InspIRCd::SetSignal);
+ }
+#endif
+ return true;
+ }
+
+ // Increase the size of a core dump file to improve debugging problems.
+ void IncreaseCoreDumpSize()
+ {
+#ifndef _WIN32
+ errno = 0;
+ rlimit rl;
+ if (getrlimit(RLIMIT_CORE, &rl) == -1)
+ {
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to increase core dump size: getrlimit(RLIMIT_CORE) failed: %s", strerror(errno));
+ return;
+ }
+
+ rl.rlim_cur = rl.rlim_max;
+ if (setrlimit(RLIMIT_CORE, &rl) == -1)
+ ServerInstance->Logs->Log("STARTUP", LOG_DEFAULT, "Unable to increase core dump size: setrlimit(RLIMIT_CORE) failed: %s", strerror(errno));
+#endif
+ }
+
+ // Seeds the random number generator if applicable.
+ void SeedRng(timespec ts)
+ {
+#if defined _WIN32
+ srand(ts.tv_nsec ^ ts.tv_sec);
+#elif !defined HAS_ARC4RANDOM_BUF
+ srandom(ts.tv_nsec ^ ts.tv_sec);
+#endif
+ }
+
+ // Sets handlers for various process signals.
+ void SetSignals()
+ {
+#ifndef _WIN32
+ signal(SIGALRM, SIG_IGN);
+ signal(SIGCHLD, SIG_IGN);
+ signal(SIGHUP, InspIRCd::SetSignal);
+ signal(SIGPIPE, SIG_IGN);
+ signal(SIGUSR1, SIG_IGN);
+ signal(SIGUSR2, SIG_IGN);
+ signal(SIGXFSZ, SIG_IGN);
+#endif
+ signal(SIGTERM, InspIRCd::SetSignal);
+ }
+
+ // Required for returning the proper value of EXIT_SUCCESS for the parent process.
+ void VoidSignalHandler(int)
+ {
+ exit(EXIT_STATUS_NOERROR);
+ }
}
void InspIRCd::Cleanup()
}
ports.clear();
+ // Tell modules that we're shutting down.
+ const std::string quitmsg = "Server shutting down";
+ FOREACH_MOD(OnShutdown, (quitmsg));
+
+ // Disconnect all local users
+ const UserManager::LocalList& list = Users.GetLocalUsers();
+ while (!list.empty())
+ ServerInstance->Users.QuitUser(list.front(), quitmsg);
+
GlobalCulls.Apply();
Modules->UnloadAll();
Logs->CloseLogs();
}
-void InspIRCd::SetSignals()
+void InspIRCd::WritePID(const std::string& filename, bool exitonfail)
{
#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(status);
-}
-
-// Required for returning the proper value of EXIT_SUCCESS for the parent process
-static void VoidSignalHandler(int signalreceived)
-{
- exit(0);
-}
-
-bool InspIRCd::DaemonSeed()
-{
-#ifdef _WIN32
- std::cout << "InspIRCd Process ID: " << con_green << GetCurrentProcessId() << con_reset << std::endl;
- return true;
-#else
- // Do not use QuickExit here: It will exit with status SIGTERM which would break e.g. daemon scripts
- signal(SIGTERM, VoidSignalHandler);
-
- int childpid = fork();
- if (childpid < 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 ();
- std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl;
-
- signal(SIGTERM, InspIRCd::SetSignal);
-
- rlimit rl;
- if (getrlimit(RLIMIT_CORE, &rl) == -1)
+ if (!ServerInstance->Config->cmdline.writepid)
{
- this->Logs->Log("STARTUP", LOG_DEFAULT, "Failed to getrlimit()!");
- return false;
+ this->Logs->Log("STARTUP", LOG_DEFAULT, "--nopid specified on command line; PID file not written.");
+ return;
}
- rl.rlim_cur = rl.rlim_max;
-
- if (setrlimit(RLIMIT_CORE, &rl) == -1)
- this->Logs->Log("STARTUP", LOG_DEFAULT, "setrlimit() failed, cannot increase coredump size.");
- return true;
-#endif
-}
-
-void InspIRCd::WritePID(const std::string& filename, bool exitonfail)
-{
-#ifndef _WIN32
- std::string fname(filename);
- if (fname.empty())
- fname = ServerInstance->Config->Paths.PrependData("inspircd.pid");
+ std::string fname = ServerInstance->Config->Paths.PrependData(filename.empty() ? "inspircd.pid" : filename);
std::ofstream outfile(fname.c_str());
if (outfile.is_open())
{
#endif
}
-InspIRCd::InspIRCd(int argc, char** argv) :
- ConfigFileName(INSPIRCD_CONFIG_PATH "/inspircd.conf"),
- PI(&DefaultProtocolInterface),
-
- /* Functor pointer initialisation.
- *
- * THIS MUST MATCH THE ORDER OF DECLARATION OF THE FUNCTORS, e.g. the methods
- * themselves within the class.
- */
- GenRandom(&HandleGenRandom),
- IsChannel(&HandleIsChannel),
- IsNick(&HandleIsNick),
- IsIdent(&HandleIsIdent)
+InspIRCd::InspIRCd(int argc, char** argv)
+ : FakeClient(NULL)
+ , ConfigFileName(INSPIRCD_CONFIG_PATH "/inspircd.conf")
+ , ConfigThread(NULL)
+ , Config(NULL)
+ , XLines(NULL)
+ , PI(&DefaultProtocolInterface)
+ , GenRandom(&DefaultGenRandom)
+ , IsChannel(&DefaultIsChannel)
+ , IsNick(&DefaultIsNick)
+ , IsIdent(&DefaultIsIdent)
{
ServerInstance = this;
- FailedPortList pl;
- // Flag variables passed to getopt_long() later
- int do_version = 0, do_nofork = 0, do_debug = 0,
- do_nolog = 0, do_root = 0;
-
- // Initialize so that if we exit before proper initialization they're not deleted
- this->Config = 0;
- this->XLines = 0;
- this->ConfigThread = NULL;
- this->FakeClient = NULL;
-
UpdateTime();
this->startup_time = TIME.tv_sec;
+ SeedRng(TIME);
SocketEngine::Init();
this->Config = new ServerConfig;
this->Config->cmdline.argc = argc;
#ifdef _WIN32
- srand(TIME.tv_nsec ^ TIME.tv_sec);
-
// Initialize the console values
g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO bufinf;
g_wOriginalColors = FOREGROUND_RED|FOREGROUND_BLUE|FOREGROUND_GREEN;
g_wBackgroundColor = 0;
}
-#else
- srandom(TIME.tv_nsec ^ TIME.tv_sec);
#endif
+ {
+ ServiceProvider* provs[] =
+ {
+ &rfcevents.numeric, &rfcevents.join, &rfcevents.part, &rfcevents.kick, &rfcevents.quit, &rfcevents.nick,
+ &rfcevents.mode, &rfcevents.topic, &rfcevents.privmsg, &rfcevents.invite, &rfcevents.ping, &rfcevents.pong,
+ &rfcevents.error
+ };
+ Modules.AddServices(provs, sizeof(provs)/sizeof(provs[0]));
+ }
+
+ // Flag variables passed to getopt_long() later
+ int do_version = 0, do_nofork = 0, do_debug = 0,
+ do_nolog = 0, do_nopid = 0, do_root = 0;
struct option longopts[] =
{
{ "nofork", no_argument, &do_nofork, 1 },
{ "config", required_argument, NULL, 'c' },
{ "debug", no_argument, &do_debug, 1 },
{ "nolog", no_argument, &do_nolog, 1 },
+ { "nopid", no_argument, &do_nopid, 1 },
{ "runasroot", no_argument, &do_root, 1 },
{ "version", no_argument, &do_version, 1 },
-#ifdef INSPIRCD_ENABLE_TESTSUITE
- { "testsuite", no_argument, &do_testsuite, 1 },
-#endif
{ 0, 0, 0, 0 }
};
{
case 'c':
/* Config filename was set */
- ConfigFileName = ServerInstance->Config->Paths.PrependConfig(optarg);
+ ConfigFileName = optarg;
+#ifdef _WIN32
+ TCHAR configPath[MAX_PATH + 1];
+ if (GetFullPathName(optarg, MAX_PATH, configPath, NULL) > 0)
+ ConfigFileName = configPath;
+#else
+ char configPath[PATH_MAX + 1];
+ if (realpath(optarg, configPath))
+ ConfigFileName = configPath;
+#endif
break;
case 0:
/* getopt_long_only() set an int variable, just keep going */
default:
/* Fall through to handle other weird values too */
std::cout << "Unknown parameter '" << argv[optind-1] << "'" << std::endl;
- std::cout << "Usage: " << argv[0] << " [--nofork] [--nolog] [--debug] [--config <config>]" << std::endl <<
- std::string(static_cast<int>(8+strlen(argv[0])), ' ') << "[--runasroot] [--version]" << std::endl;
+ std::cout << "Usage: " << argv[0] << " [--nofork] [--nolog] [--nopid] [--debug] [--config <config>]" << std::endl <<
+ std::string(static_cast<size_t>(8+strlen(argv[0])), ' ') << "[--runasroot] [--version]" << std::endl;
Exit(EXIT_STATUS_ARGV);
break;
}
}
-#ifdef INSPIRCD_ENABLE_TESTSUITE
- if (do_testsuite)
- do_nofork = do_debug = true;
-#endif
-
if (do_version)
{
std::cout << std::endl << INSPIRCD_VERSION << std::endl;
Config->cmdline.nofork = (do_nofork != 0);
Config->cmdline.forcedebug = (do_debug != 0);
Config->cmdline.writelog = !do_nolog;
+ Config->cmdline.writepid = !do_nopid;
if (do_debug)
{
}
#endif
- this->SetSignals();
+ SetSignals();
- if (!Config->cmdline.nofork)
+ if (!Config->cmdline.nofork && !ForkIntoBackground())
{
- if (!this->DaemonSeed())
- {
- std::cout << "ERROR: could not go into daemon mode. Shutting down." << std::endl;
- Logs->Log("STARTUP", LOG_DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
- Exit(EXIT_STATUS_FORK);
- }
+ std::cout << "ERROR: could not go into daemon mode. Shutting down." << std::endl;
+ Logs->Log("STARTUP", LOG_DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
+ Exit(EXIT_STATUS_FORK);
}
+ std::cout << "InspIRCd Process ID: " << con_green << getpid() << con_reset << std::endl;
+
+ IncreaseCoreDumpSize();
SocketEngine::RecoverFromFork();
/* During startup we read the configuration now, not in
this->Config->Read();
this->Config->Apply(NULL, "");
Logs->OpenFileLogs();
- ModeParser::InitBuiltinModes();
// If we don't have a SID, generate one based on the server name and the server description
if (Config->sid.empty())
// This is needed as all new XLines are marked pending until ApplyLines() is called
this->XLines->ApplyLines();
+ FailedPortList pl;
int bounditems = BindPorts(pl);
std::cout << std::endl;
// Build ISupport as ModuleManager::LoadAll() does not do it
this->ISupport.Build();
- Config->ApplyDisabledCommands(Config->DisabledCommands);
if (!pl.empty())
{
int j = 1;
for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
{
- std::cout << j << ".\tAddress: " << (i->first.empty() ? "<all>" : i->first) << " \tReason: " << i->second << std::endl;
+ std::cout << j << ".\tAddress: " << i->first.str() << " \tReason: " << strerror(i->second) << std::endl;
}
std::cout << std::endl << "Hint: Try using a public IP instead of blank or *" << std::endl;
QueryPerformanceFrequency(&stats.QPFrequency);
#endif
- Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds());
-
-#ifndef _WIN32
- ConfigTag* security = Config->ConfValue("security");
-
- const std::string SetGroup = security->getString("runasgroup");
- if (!SetGroup.empty())
- {
- errno = 0;
- if (setgroups(0, NULL) == -1)
- {
- this->Logs->Log("STARTUP", LOG_DEFAULT, "setgroups() failed (wtf?): %s", strerror(errno));
- this->QuickExit(0);
- }
-
- struct group* g = getgrnam(SetGroup.c_str());
- if (!g)
- {
- this->Logs->Log("STARTUP", LOG_DEFAULT, "getgrnam(%s) failed (wrong group?): %s", SetGroup.c_str(), strerror(errno));
- this->QuickExit(0);
- }
-
- if (setgid(g->gr_gid) == -1)
- {
- this->Logs->Log("STARTUP", LOG_DEFAULT, "setgid(%d) failed (wrong group?): %s", g->gr_gid, strerror(errno));
- this->QuickExit(0);
- }
- }
-
- const std::string SetUser = security->getString("runasuser");
- if (!SetUser.empty())
- {
- errno = 0;
- struct passwd* u = getpwnam(SetUser.c_str());
- if (!u)
- {
- this->Logs->Log("STARTUP", LOG_DEFAULT, "getpwnam(%s) failed (wrong user?): %s", SetUser.c_str(), strerror(errno));
- this->QuickExit(0);
- }
+ WritePID(Config->PID);
+ DropRoot();
- if (setuid(u->pw_uid) == -1)
- {
- this->Logs->Log("STARTUP", LOG_DEFAULT, "setuid(%d) failed (wrong user?): %s", u->pw_uid, strerror(errno));
- this->QuickExit(0);
- }
- }
-
- this->WritePID(Config->PID);
-#endif
+ Logs->Log("STARTUP", LOG_DEFAULT, "Startup complete as '%s'[%s], %lu max open sockets", Config->ServerName.c_str(),Config->GetSID().c_str(), SocketEngine::GetMaxFds());
}
void InspIRCd::UpdateTime()
{
-#ifdef _WIN32
+#if defined HAS_CLOCK_GETTIME
+ clock_gettime(CLOCK_REALTIME, &TIME);
+#elif defined _WIN32
SYSTEMTIME st;
GetSystemTime(&st);
TIME.tv_sec = time(NULL);
TIME.tv_nsec = st.wMilliseconds;
#else
- #ifdef HAS_CLOCK_GETTIME
- clock_gettime(CLOCK_REALTIME, &TIME);
- #else
- struct timeval tv;
- gettimeofday(&tv, NULL);
- TIME.tv_sec = tv.tv_sec;
- TIME.tv_nsec = tv.tv_usec * 1000;
- #endif
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+
+ TIME.tv_sec = tv.tv_sec;
+ TIME.tv_nsec = tv.tv_usec * 1000;
#endif
}
void InspIRCd::Run()
{
-#ifdef INSPIRCD_ENABLE_TESTSUITE
- /* See if we're supposed to be running the test suite rather than entering the mainloop */
- if (do_testsuite)
- {
- TestSuite* ts = new TestSuite;
- delete ts;
- return;
- }
-#endif
-
UpdateTime();
time_t OLDTIME = TIME.tv_sec;
}
#endif
- /* Allow a buffer of two seconds drift on this so that ntpdate etc dont harass admins */
- if (TIME.tv_sec < OLDTIME - 2)
+ if (Config->TimeSkipWarn)
{
- SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)(OLDTIME-TIME.tv_sec));
- }
- else if (TIME.tv_sec > OLDTIME + 2)
- {
- SNO->WriteToSnoMask('d', "\002EH?!\002 -- Time is jumping FORWARDS! Clock skipped %lu secs.", (unsigned long)(TIME.tv_sec - OLDTIME));
+ time_t timediff = TIME.tv_sec - OLDTIME;
+
+ if (timediff > Config->TimeSkipWarn)
+ SNO->WriteToSnoMask('a', "\002Performance warning!\002 Server clock jumped forwards by %lu seconds!", timediff);
+
+ else if (timediff < -Config->TimeSkipWarn)
+ SNO->WriteToSnoMask('a', "\002Performance warning!\002 Server clock jumped backwards by %lu seconds!", labs(timediff));
}
OLDTIME = TIME.tv_sec;
if ((TIME.tv_sec % 3600) == 0)
+ {
FOREACH_MOD(OnGarbageCollect, ());
+ // HACK: ELines are not expired properly at the moment but it can't be fixed as
+ // the 2.0 XLine system is a spaghetti nightmare. Instead we skip over expired
+ // ELines in XLineManager::CheckELines() and expire them here instead.
+ XLines->GetAll("E");
+ }
+
Timers.TickTimers(TIME.tv_sec);
Users->DoBackgroundUserStuff();
projects / user / henk / code / inspircd.git / blobdiff