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pippijn |
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/* |
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* main.C: Initialisation routine. |
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* Rights to this code are documented in doc/LICENSE. |
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*/ |
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static char const rcsid[] = "$Id"; |
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#include "atheme.h" |
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#include <account/kline.h> |
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#include "account.h" // XXX: backend_loaded / db_load / db_check / expire_check |
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#include "uplink.h" |
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#include "pmodule.h" /* pcommand_init */ |
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#include "internal.h" |
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#include "datastream.h" |
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#include "authcookie.h" |
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#include "connection.h" |
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#include "confparse.h" |
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/* *INDENT-OFF* */ |
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static void |
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print_help (void) |
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{ |
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printf ("usage: %s [-dhnv] [-c conf] [-l logfile] [-p pidfile]\n\n" |
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"-c <file> Specify the config file\n" |
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"-d Start in debugging mode\n" |
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"-h Print this message and exit\n" |
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"-l <file> Specify the log file\n" |
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"-n Don't fork into the background (log screen + log file)\n" |
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"-p <file> Specify the pid file (will be overwritten)\n" |
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"-v Print version information and exit\n", me.execname); |
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} |
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static void |
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print_version (void) |
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{ |
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printf ("Ermyth IRC Services (" PACKAGE_NAME "-%s)\n" |
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"Compiled %s, build %s\n\n" |
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"Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team\n" |
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"Copyright © 2005-2007 Atheme Development Group\n" |
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"Rights to this code are documented in doc/LICENSE.\n", |
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version, creation, generation); |
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} |
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/* *INDENT-ON* */ |
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static void |
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rng_reseed (void *unused) |
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{ |
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arc4random_addrandom ((uint8_t *) & cnt, sizeof cnt); |
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} |
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int |
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main (int argc, char *argv[]) |
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{ |
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bool have_conf = false; |
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bool have_log = false; |
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char buf[32]; |
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int i, pid, r; |
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FILE *pid_file; |
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char *pidfilename = RUNDIR "/" PACKAGE_NAME ".pid"; |
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#ifdef HAVE_GETRLIMIT |
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struct rlimit rlim; |
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#endif |
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curr_uplink = NULL; |
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me.argc = argc; |
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me.argv = argv; |
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me.execname = argv[0]; |
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/* Prepare gettext */ |
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#ifdef ENABLE_NLS |
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setlocale (LC_ALL, ""); |
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bindtextdomain (PACKAGE_NAME, LOCALEDIR); |
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textdomain (PACKAGE_NAME); |
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#endif |
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/* change to our local directory */ |
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if (chdir (PREFIX) < 0) |
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{ |
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perror (PREFIX); |
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return 20; |
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} |
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#ifdef HAVE_GETRLIMIT |
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/* it appears certian systems *ahem*linux*ahem* |
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* don't dump cores by default, so we do this here. |
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*/ |
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if (!getrlimit (RLIMIT_CORE, &rlim)) |
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{ |
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rlim.rlim_cur = rlim.rlim_max; |
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setrlimit (RLIMIT_CORE, &rlim); |
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} |
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#endif |
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/* do command-line options */ |
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while ((r = getopt (argc, argv, "c:dhl:np:v")) != -1) |
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{ |
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switch (r) |
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{ |
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case 'c': |
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config_file = sstrdup (optarg); |
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have_conf = true; |
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break; |
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case 'd': |
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log_force = true; |
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break; |
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case 'h': |
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print_help (); |
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exit (EXIT_SUCCESS); |
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break; |
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case 'l': |
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log_path = sstrdup (optarg); |
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have_log = true; |
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break; |
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case 'n': |
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runflags |= RF_LIVE; |
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break; |
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case 'p': |
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pidfilename = optarg; |
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break; |
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case 'v': |
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print_version (); |
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exit (EXIT_SUCCESS); |
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break; |
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default: |
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printf ("usage: %s [-dhnv] [-c conf] [-l logfile] [-p pidfile]\n", me.execname); |
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exit (EXIT_SUCCESS); |
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break; |
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} |
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} |
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if (have_conf == false) |
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config_file = sstrdup (SYSCONFDIR "/" PACKAGE_NAME ".conf"); |
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if (have_log == false) |
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log_path = sstrdup (LOGDIR "/" PACKAGE_NAME ".log"); |
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cold_start = true; |
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runflags |= RF_STARTING; |
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me.start = time (NULL); |
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NOW = me.start; |
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srand (arc4random ()); |
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me.execname = argv[0]; |
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/* set signal handlers */ |
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init_signal_handlers (); |
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/* open log */ |
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log_open (); |
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printf ("%s: version " PACKAGE_NAME "-%s\n", me.execname, version); |
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/* check for pid file */ |
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if ((pid_file = fopen (pidfilename, "r"))) |
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{ |
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if (fgets (buf, 32, pid_file)) |
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{ |
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pid = atoi (buf); |
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if (!kill (pid, 0)) |
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{ |
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fprintf (stderr, "%s: daemon is already running\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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} |
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fclose (pid_file); |
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} |
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#if HAVE_UMASK |
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/* file creation mask */ |
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umask (077); |
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#endif |
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event_init (); |
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initBlockHeap (); |
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init_dlink_nodes (); |
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hooks_init (); |
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init_netio (); |
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init_socket_queues (); |
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init_nodes (); |
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init_newconf (); |
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servtree_init (); |
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init_ircpacket (); |
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modules_init (); |
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pcommand_init (); |
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conf_init (); |
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if (!conf_parse (config_file)) |
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{ |
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slog (LG_ERROR, "Error loading config file %s, aborting", config_file); |
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exit (EXIT_FAILURE); |
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} |
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authcookie_init (); |
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common_ctcp_init (); |
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update_chanacs_flags (); |
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if (!backend_loaded) |
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{ |
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fprintf (stderr, "%s: no backend modules loaded, see your configuration file.\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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/* check our config file */ |
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if (!conf_check ()) |
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exit (EXIT_FAILURE); |
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/* we've done the critical startup steps now */ |
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cold_start = false; |
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/* load our db */ |
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if (db_load) |
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db_load (); |
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else |
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{ |
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/* XXX: We should have bailed by now! --nenolod */ |
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fprintf (stderr, "%s: no backend modules loaded, see your configuration file.\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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db_check (); |
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#ifdef HAVE_FORK |
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/* fork into the background */ |
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if (!(runflags & RF_LIVE)) |
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{ |
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close (0); |
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if (open ("/dev/null", O_RDWR) != 0) |
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{ |
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fprintf (stderr, "%s: unable to open /dev/null??\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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if ((i = fork ()) < 0) |
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{ |
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fprintf (stderr, "%s: can't fork into the background\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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/* parent */ |
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else if (i != 0) |
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{ |
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printf ("%s: pid %d\n", me.execname, i); |
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printf ("%s: running in background mode from " PREFIX "\n", me.execname); |
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exit (EXIT_SUCCESS); |
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} |
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/* parent is gone, just us now */ |
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if (setsid () < 0) |
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{ |
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fprintf (stderr, "%s: unable to create new session\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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dup2 (0, 1); |
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dup2 (0, 2); |
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} |
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else |
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{ |
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printf ("%s: pid %d\n", me.execname, getpid ()); |
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printf ("%s: running in foreground mode from %s\n", me.execname, PREFIX); |
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} |
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#else |
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printf ("%s: running in foreground mode from %s\n", me.execname, PREFIX); |
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#endif |
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#ifdef HAVE_GETPID |
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/* write pid */ |
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if ((pid_file = fopen (pidfilename, "w"))) |
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{ |
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fprintf (pid_file, "%d\n", getpid ()); |
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fclose (pid_file); |
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} |
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else |
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{ |
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fprintf (stderr, "%s: unable to write pid file\n", me.execname); |
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exit (EXIT_FAILURE); |
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} |
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#endif |
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/* no longer starting */ |
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runflags &= ~RF_STARTING; |
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/* we probably have a few open already... */ |
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me.maxfd = 3; |
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/* DB commit interval is configurable */ |
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event_add ("db_save", db_save, NULL, config_options.commit_interval); |
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/* check expires every hour */ |
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event_add ("expire_check", expire_check, NULL, 3600); |
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/* check kline expires every minute */ |
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event_add ("kline_expire", kline_expire, NULL, 60); |
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/* check authcookie expires every ten minutes */ |
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event_add ("authcookie_expire", authcookie_expire, NULL, 600); |
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/* reseed rng a little every five minutes */ |
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event_add ("rng_reseed", rng_reseed, NULL, 293); |
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me.connected = false; |
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uplink_connect (); |
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/* main loop */ |
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io_loop (); |
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/* we're shutting down */ |
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db_save (NULL); |
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if (chansvs.me != NULL && chansvs.me->me != NULL) |
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quit_sts (chansvs.me->me, "shutting down"); |
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remove (pidfilename); |
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errno = 0; |
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if (curr_uplink != NULL && curr_uplink->conn != NULL) |
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sendq_flush (curr_uplink->conn); |
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connection_close_all (); |
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me.connected = false; |
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/* should we restart? */ |
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if (runflags & RF_RESTART) |
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{ |
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slog (LG_INFO, "main(): restarting"); |
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#ifdef HAVE_EXECVE |
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execve (me.execname, argv, environ); |
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#endif |
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} |
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slog (LG_INFO, "main(): shutting down"); |
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// unload all modules |
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{ |
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node_t *n; |
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extern list_t modules; |
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LIST_FOREACH (n, modules.head) |
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{ |
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module_t *m = static_cast<module_t *> (n->data); |
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if (!m->header->norestart) |
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module_unload (m); |
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} |
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} |
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log_shutdown (); |
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return 0; |
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} |