/[cvs]/eggdrop1.9/src/main.c
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Revision 1.113 - (hide annotations) (download) (as text)
Sun Apr 28 05:53:33 2002 UTC (17 years, 3 months ago) by ite
Branch: MAIN
Changes since 1.112: +9 -1 lines
File MIME type: text/x-chdr
Allow to preload a module from the command line.

1 guppy 1.56 /*
2 segfault 1.1 * main.c -- handles:
3 fabian 1.14 * core event handling
4     * signal handling
5     * command line arguments
6 guppy 1.56 *
7 ite 1.113 * $Id: main.c,v 1.112 2002/04/27 18:15:11 stdarg Exp $
8 segfault 1.1 */
9 guppy 1.56 /*
10     * Copyright (C) 1997 Robey Pointer
11 wcc 1.106 * Copyright (C) 1999, 2000, 2001, 2002 Eggheads Development Team
12 guppy 1.56 *
13 fabian 1.14 * This program is free software; you can redistribute it and/or
14     * modify it under the terms of the GNU General Public License
15     * as published by the Free Software Foundation; either version 2
16     * of the License, or (at your option) any later version.
17 guppy 1.56 *
18 segfault 1.1 * This program is distributed in the hope that it will be useful,
19     * but WITHOUT ANY WARRANTY; without even the implied warranty of
20     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21     * GNU General Public License for more details.
22 guppy 1.56 *
23 segfault 1.1 * You should have received a copy of the GNU General Public License
24     * along with this program; if not, write to the Free Software
25 fabian 1.14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26     */
27 guppy 1.56 /*
28 segfault 1.1 * The author (Robey Pointer) can be reached at: robey@netcom.com
29     * NOTE: Robey is no long working on this code, there is a discussion
30 guppy 1.60 * list available at eggheads@eggheads.org.
31 segfault 1.1 */
32    
33 fabian 1.28 #include "main.h"
34 fabian 1.27 #include <fcntl.h>
35 segfault 1.1 #include <time.h>
36     #include <errno.h>
37     #include <signal.h>
38     #include <netdb.h>
39     #include <setjmp.h>
40 fabian 1.27
41 ite 1.76 #include <locale.h>
42    
43 fabian 1.27 #ifdef STOP_UAC /* osf/1 complains a lot */
44 segfault 1.1 #include <sys/sysinfo.h>
45     #define UAC_NOPRINT 0x00000001 /* Don't report unaligned fixups */
46     #endif
47 fabian 1.27 /* Some systems have a working sys/wait.h even though configure will
48     * decide it's not bsd compatable. Oh well.
49     */
50 guppy 1.49
51 segfault 1.1 #include "chan.h"
52     #include "modules.h"
53     #include "tandem.h"
54 fabian 1.43 #include "bg.h"
55 stdarg 1.82 #include "egg_timer.h"
56 stdarg 1.85 #include "core_binds.h"
57 ite 1.105 #include "logfile.h"
58     #include "misc.h"
59 fabian 1.38
60 ite 1.96 #include "lib/adns/adns.h"
61 drummer 1.71
62 poptix 1.62 #ifdef CYGWIN_HACKS
63     #include <windows.h>
64     #endif
65    
66 segfault 1.1 #ifndef _POSIX_SOURCE
67 fabian 1.27 /* Solaris needs this */
68 segfault 1.1 #define _POSIX_SOURCE 1
69     #endif
70    
71 ite 1.104 extern char userfile[], botnetnick[];
72     extern int dcc_total, conmask, cache_hit, cache_miss;
73 fabian 1.27 extern struct dcc_t *dcc;
74     extern struct userrec *userlist;
75     extern struct chanset_t *chanset;
76     extern jmp_buf alarmret;
77    
78 segfault 1.1
79 guppy 1.56 /*
80 segfault 1.1 * Please use the PATCH macro instead of directly altering the version
81     * string from now on (it makes it much easier to maintain patches).
82     * Also please read the README file regarding your rights to distribute
83     * modified versions of this bot.
84     */
85    
86 ite 1.76 char egg_version[1024] = VERSION;
87     int egg_numver = VERSION_NUM;
88 segfault 1.1
89 ite 1.109 eggdrop_t *egg = NULL; /* Eggdrop's context */
90    
91 fabian 1.27 char notify_new[121] = ""; /* Person to send a note to for new users */
92     int default_flags = 0; /* Default user flags and */
93     int default_uflags = 0; /* Default userdefinied flags for people
94     who say 'hello' or for .adduser */
95    
96     int backgrd = 1; /* Run in the background? */
97     int con_chan = 0; /* Foreground: constantly display channel
98     stats? */
99     int term_z = 0; /* Foreground: use the terminal as a party
100     line? */
101     char configfile[121] = "eggdrop.conf"; /* Name of the config file */
102 ite 1.113 static char preload_module[121] = ""; /* Name of the module to preload */
103 fabian 1.27 char helpdir[121]; /* Directory of help files (if used) */
104     char textdir[121] = ""; /* Directory for text files that get dumped */
105     time_t online_since; /* Unix-time that the bot loaded up */
106     int make_userfile = 0; /* Using bot in make-userfile mode? (first
107     user to 'hello' becomes master) */
108     char owner[121] = ""; /* Permanent owner(s) of the bot */
109 guppy 1.92 char pid_file[120]; /* Name of the file for the pid to be
110 fabian 1.27 stored in */
111     int save_users_at = 0; /* How many minutes past the hour to
112     save the userfile? */
113     int notify_users_at = 0; /* How many minutes past the hour to
114     notify users of notes? */
115     char version[81]; /* Version info (long form) */
116     char ver[41]; /* Version info (short form) */
117     char egg_xtra[2048]; /* Patch info */
118     int use_stderr = 1; /* Send stuff to stderr instead of logfiles? */
119     int do_restart = 0; /* .restart has been called, restart asap */
120     int die_on_sighup = 0; /* die if bot receives SIGHUP */
121 guppy 1.52 int die_on_sigterm = 1; /* die if bot receives SIGTERM */
122 fabian 1.27 int resolve_timeout = 15; /* hostname/address lookup timeout */
123 guppy 1.72 char quit_msg[1024]; /* quit message */
124 fabian 1.27 time_t now; /* duh, now :) */
125 stdarg 1.108 egg_timeval_t egg_timeval_now; /* Same thing, but seconds and microseconds. */
126 fabian 1.27
127     /* Traffic stats
128     */
129 fabian 1.33 unsigned long otraffic_irc = 0;
130     unsigned long otraffic_irc_today = 0;
131     unsigned long otraffic_bn = 0;
132     unsigned long otraffic_bn_today = 0;
133     unsigned long otraffic_dcc = 0;
134     unsigned long otraffic_dcc_today = 0;
135     unsigned long otraffic_filesys = 0;
136     unsigned long otraffic_filesys_today = 0;
137     unsigned long otraffic_trans = 0;
138     unsigned long otraffic_trans_today = 0;
139     unsigned long otraffic_unknown = 0;
140     unsigned long otraffic_unknown_today = 0;
141     unsigned long itraffic_irc = 0;
142     unsigned long itraffic_irc_today = 0;
143     unsigned long itraffic_bn = 0;
144     unsigned long itraffic_bn_today = 0;
145     unsigned long itraffic_dcc = 0;
146     unsigned long itraffic_dcc_today = 0;
147     unsigned long itraffic_trans = 0;
148     unsigned long itraffic_trans_today = 0;
149     unsigned long itraffic_unknown = 0;
150     unsigned long itraffic_unknown_today = 0;
151 segfault 1.1
152 fabian 1.44 void fatal(const char *s, int recoverable)
153 segfault 1.1 {
154     int i;
155    
156     putlog(LOG_MISC, "*", "* %s", s);
157     flushlogs();
158     for (i = 0; i < dcc_total; i++)
159 fabian 1.19 if (dcc[i].sock >= 0)
160 fabian 1.15 killsock(dcc[i].sock);
161 segfault 1.1 unlink(pid_file);
162 fabian 1.43 if (!recoverable) {
163     bg_send_quit(BG_ABORT);
164 segfault 1.1 exit(1);
165 fabian 1.43 }
166 segfault 1.1 }
167    
168     static void check_expired_dcc()
169     {
170     int i;
171    
172     for (i = 0; i < dcc_total; i++)
173     if (dcc[i].type && dcc[i].type->timeout_val &&
174     ((now - dcc[i].timeval) > *(dcc[i].type->timeout_val))) {
175     if (dcc[i].type->timeout)
176     dcc[i].type->timeout(i);
177     else if (dcc[i].type->eof)
178     dcc[i].type->eof(i);
179     else
180     continue;
181 fabian 1.27 /* Only timeout 1 socket per cycle, too risky for more */
182 segfault 1.1 return;
183     }
184     }
185    
186     static void got_bus(int z)
187     {
188     fatal("BUS ERROR -- CRASHING!", 1);
189     #ifdef SA_RESETHAND
190     kill(getpid(), SIGBUS);
191     #else
192 fabian 1.43 bg_send_quit(BG_ABORT);
193 segfault 1.1 exit(1);
194     #endif
195     }
196    
197     static void got_segv(int z)
198     {
199     fatal("SEGMENT VIOLATION -- CRASHING!", 1);
200     #ifdef SA_RESETHAND
201     kill(getpid(), SIGSEGV);
202     #else
203 fabian 1.43 bg_send_quit(BG_ABORT);
204 segfault 1.1 exit(1);
205     #endif
206     }
207    
208     static void got_fpe(int z)
209     {
210     fatal("FLOATING POINT ERROR -- CRASHING!", 0);
211     }
212    
213     static void got_term(int z)
214     {
215     write_userfile(-1);
216 stdarg 1.85 check_bind_event("sigterm");
217 segfault 1.1 if (die_on_sigterm) {
218     fatal("TERMINATE SIGNAL -- SIGNING OFF", 0);
219     } else {
220     putlog(LOG_MISC, "*", "RECEIVED TERMINATE SIGNAL (IGNORING)");
221     }
222     }
223    
224     static void got_quit(int z)
225     {
226 stdarg 1.85 check_bind_event("sigquit");
227 segfault 1.1 putlog(LOG_MISC, "*", "RECEIVED QUIT SIGNAL (IGNORING)");
228     return;
229     }
230    
231     static void got_hup(int z)
232     {
233     write_userfile(-1);
234 stdarg 1.85 check_bind_event("sighup");
235 segfault 1.1 if (die_on_sighup) {
236     fatal("HANGUP SIGNAL -- SIGNING OFF", 0);
237     } else
238     putlog(LOG_MISC, "*", "Received HUP signal: rehashing...");
239     do_restart = -2;
240     return;
241     }
242    
243 fabian 1.27 /* A call to resolver (gethostbyname, etc) timed out
244     */
245 segfault 1.1 static void got_alarm(int z)
246     {
247     longjmp(alarmret, 1);
248 fabian 1.27
249     /* -Never reached- */
250 segfault 1.1 }
251    
252 guppy 1.101 /* Got ILL signal
253 fabian 1.27 */
254 segfault 1.1 static void got_ill(int z)
255     {
256 stdarg 1.85 check_bind_event("sigill");
257 fabian 1.10 }
258    
259 segfault 1.1 static void do_arg(char *s)
260     {
261 guppy 1.49 char x[1024], *z = x;
262 segfault 1.1 int i;
263    
264     if (s[0] == '-')
265     for (i = 1; i < strlen(s); i++) {
266 guppy 1.49 switch (s[i]) {
267     case 'n':
268 segfault 1.1 backgrd = 0;
269 guppy 1.49 break;
270     case 'c':
271 segfault 1.1 con_chan = 1;
272     term_z = 0;
273 guppy 1.49 break;
274     case 't':
275 segfault 1.1 con_chan = 0;
276     term_z = 1;
277 guppy 1.49 break;
278     case 'm':
279 segfault 1.1 make_userfile = 1;
280 guppy 1.49 break;
281 ite 1.113 case 'p':
282     if (*(s+2))
283     strlcpy(preload_module, s+2, sizeof preload_module);
284     break;
285 guppy 1.49 case 'v':
286 ite 1.111 strlcpy(x, egg_version, sizeof x);
287 segfault 1.1 newsplit(&z);
288     newsplit(&z);
289     printf("%s\n", version);
290     if (z[0])
291     printf(" (patches: %s)\n", z);
292 fabian 1.43 bg_send_quit(BG_ABORT);
293 segfault 1.1 exit(0);
294 guppy 1.49 break; /* this should never be reached */
295     case 'h':
296 segfault 1.1 printf("\n%s\n\n", version);
297 ite 1.73 printf(_("Command line arguments:\n\
298     -h help\n\
299     -v print version and exit\n\
300     -n don't go into the background\n\
301     -c (with -n) display channel stats every 10 seconds\n\
302     -t (with -n) use terminal to simulate dcc-chat\n\
303     -m userfile creation mode\n\
304 ite 1.113 -p preloads the module with the given name (to choose the config parser)\n\
305 ite 1.73 optional config filename (default 'eggdrop.conf')\n"));
306 segfault 1.1 printf("\n");
307 fabian 1.43 bg_send_quit(BG_ABORT);
308 segfault 1.1 exit(0);
309 guppy 1.49 break; /* this should never be reached */
310 segfault 1.1 }
311     } else
312 ite 1.111 strlcpy(configfile, s, sizeof configfile);
313 segfault 1.1 }
314    
315 fabian 1.44 void backup_userfile(void)
316 segfault 1.1 {
317 guppy 1.49 char s[125];
318 segfault 1.1
319 ite 1.73 putlog(LOG_MISC, "*", _("Backing up user file..."));
320 tothwolf 1.91 snprintf(s, sizeof s, "%s~bak", userfile);
321 segfault 1.1 copyfile(userfile, s);
322     }
323    
324 fabian 1.27 /* Timer info */
325     static int lastmin = 99;
326     static struct tm nowtm;
327 segfault 1.1
328 fabian 1.34 /* Called once a second.
329 fabian 1.27 */
330 segfault 1.1 static void core_secondly()
331     {
332     static int cnt = 0;
333     int miltime;
334    
335 stdarg 1.82 call_hook(HOOK_SECONDLY); /* Will be removed later */
336 segfault 1.1 cnt++;
337 fabian 1.27 if (cnt >= 10) { /* Every 10 seconds */
338 segfault 1.1 cnt = 0;
339     check_expired_dcc();
340     if (con_chan && !backgrd) {
341     dprintf(DP_STDOUT, "\033[2J\033[1;1H");
342     tell_verbose_status(DP_STDOUT);
343     do_module_report(DP_STDOUT, 0, "server");
344     do_module_report(DP_STDOUT, 0, "channels");
345     }
346     }
347 tothwolf 1.79 memcpy(&nowtm, localtime(&now), sizeof(struct tm));
348 fabian 1.17 if (nowtm.tm_min != lastmin) {
349 segfault 1.1 int i = 0;
350    
351 fabian 1.27 /* Once a minute */
352 segfault 1.1 lastmin = (lastmin + 1) % 60;
353     call_hook(HOOK_MINUTELY);
354     check_expired_ignores();
355 fabian 1.27 autolink_cycle(NULL); /* Attempt autolinks */
356     /* In case for some reason more than 1 min has passed: */
357 fabian 1.17 while (nowtm.tm_min != lastmin) {
358 fabian 1.27 /* Timer drift, dammit */
359 fabian 1.17 debug2("timer: drift (lastmin=%d, now=%d)", lastmin, nowtm.tm_min);
360 segfault 1.1 i++;
361     lastmin = (lastmin + 1) % 60;
362     call_hook(HOOK_MINUTELY);
363     }
364     if (i > 1)
365     putlog(LOG_MISC, "*", "(!) timer drift -- spun %d minutes", i);
366 fabian 1.17 miltime = (nowtm.tm_hour * 100) + (nowtm.tm_min);
367     if (((int) (nowtm.tm_min / 5) * 5) == (nowtm.tm_min)) { /* 5 min */
368 segfault 1.1 call_hook(HOOK_5MINUTELY);
369 guppy 1.49 if (!miltime) { /* At midnight */
370     char s[25];
371 segfault 1.1
372 ite 1.111 strlcpy(s, ctime(&now), sizeof s);
373 fabian 1.4 putlog(LOG_ALL, "*", "--- %.11s%s", s, s + 20);
374 guppy 1.69 call_hook(HOOK_BACKUP);
375 stdarg 1.90 call_hook(HOOK_DAILY);
376 segfault 1.1 }
377     }
378 fabian 1.17 if (nowtm.tm_min == notify_users_at)
379 segfault 1.1 call_hook(HOOK_HOURLY);
380     }
381     }
382    
383     static void core_minutely()
384     {
385 stdarg 1.85 check_bind_time(&nowtm);
386 segfault 1.1 }
387    
388     static void core_hourly()
389     {
390     write_userfile(-1);
391     }
392    
393     static void event_rehash()
394     {
395 stdarg 1.85 check_bind_event("rehash");
396 segfault 1.1 }
397    
398     static void event_prerehash()
399     {
400 stdarg 1.85 check_bind_event("prerehash");
401 segfault 1.1 }
402    
403     static void event_save()
404     {
405 stdarg 1.85 check_bind_event("save");
406 segfault 1.1 }
407    
408     static void event_logfile()
409     {
410 stdarg 1.85 check_bind_event("logfile");
411 segfault 1.1 }
412    
413 fabian 1.13 static void event_resettraffic()
414     {
415     otraffic_irc += otraffic_irc_today;
416     itraffic_irc += itraffic_irc_today;
417     otraffic_bn += otraffic_bn_today;
418     itraffic_bn += itraffic_bn_today;
419     otraffic_dcc += otraffic_dcc_today;
420     itraffic_dcc += itraffic_dcc_today;
421     otraffic_unknown += otraffic_unknown_today;
422     itraffic_unknown += itraffic_unknown_today;
423     otraffic_trans += otraffic_trans_today;
424     itraffic_trans += itraffic_trans_today;
425     otraffic_irc_today = otraffic_bn_today = 0;
426     otraffic_dcc_today = otraffic_unknown_today = 0;
427     itraffic_irc_today = itraffic_bn_today = 0;
428     itraffic_dcc_today = itraffic_unknown_today = 0;
429 fabian 1.18 itraffic_trans_today = otraffic_trans_today = 0;
430 fabian 1.13 }
431    
432 guppy 1.61 static void event_loaded()
433     {
434 stdarg 1.85 check_bind_event("loaded");
435 guppy 1.61 }
436    
437 segfault 1.1 void kill_tcl();
438     extern module_entry *module_list;
439     void restart_chons();
440    
441 tothwolf 1.97 int init_userent(), init_net(),
442 ite 1.109 init_tcl(int, char **);
443 stdarg 1.112 int user_init();
444 stdarg 1.78 void botnet_init();
445 stdarg 1.88 void dns_init();
446 stdarg 1.85 void binds_init();
447 stdarg 1.94 void dcc_init();
448 fabian 1.11
449 fabian 1.44 void patch(const char *str)
450 fabian 1.11 {
451     char *p = strchr(egg_version, '+');
452    
453     if (!p)
454     p = &egg_version[strlen(egg_version)];
455     sprintf(p, "+%s", str);
456     egg_numver++;
457     sprintf(&egg_xtra[strlen(egg_xtra)], " %s", str);
458     }
459 segfault 1.1
460 stdarg 1.100 /*
461 fabian 1.45 static inline void garbage_collect(void)
462     {
463     static u_8bit_t run_cnt = 0;
464    
465     if (run_cnt == 3)
466     garbage_collect_tclhash();
467     else
468     run_cnt++;
469     }
470 stdarg 1.100 */
471 fabian 1.45
472 segfault 1.1 int main(int argc, char **argv)
473     {
474     int xx, i;
475 guppy 1.49 char buf[520], s[25];
476 segfault 1.1 FILE *f;
477     struct sigaction sv;
478     struct chanset_t *chan;
479 stdarg 1.82 egg_timeval_t howlong;
480 segfault 1.1
481 tothwolf 1.81 #ifdef DEBUG
482 fabian 1.21 /* Make sure it can write core, if you make debug. Else it's pretty
483     * useless (dw)
484     */
485 fabian 1.15 {
486     #include <sys/resource.h>
487     struct rlimit cdlim;
488 fabian 1.21
489 fabian 1.15 cdlim.rlim_cur = RLIM_INFINITY;
490     cdlim.rlim_max = RLIM_INFINITY;
491 fabian 1.32 setrlimit(RLIMIT_CORE, &cdlim);
492 fabian 1.15 }
493     #endif
494 fabian 1.32
495 ite 1.99 #ifdef ENABLE_NLS
496 ite 1.76 setlocale(LC_MESSAGES, "");
497     bindtextdomain(PACKAGE, LOCALEDIR);
498     textdomain(PACKAGE);
499 ite 1.99 #endif
500 ite 1.76
501 segfault 1.1 #include "patch.h"
502 fabian 1.27 /* Version info! */
503 tothwolf 1.91 snprintf(ver, sizeof ver, "eggdrop v%s", egg_version);
504 wcc 1.106 snprintf(version, sizeof version, "Eggdrop v%s (C) 1997 Robey Pointer (C) 2002 Eggheads",
505 guppy 1.56 egg_version);
506 fabian 1.27 /* Now add on the patchlevel (for Tcl) */
507 fabian 1.2 sprintf(&egg_version[strlen(egg_version)], " %u", egg_numver);
508 segfault 1.1 strcat(egg_version, egg_xtra);
509     #ifdef STOP_UAC
510     {
511     int nvpair[2];
512    
513     nvpair[0] = SSIN_UACPROC;
514     nvpair[1] = UAC_NOPRINT;
515     setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
516     }
517     #endif
518 fabian 1.27
519     /* Set up error traps: */
520 segfault 1.1 sv.sa_handler = got_bus;
521     sigemptyset(&sv.sa_mask);
522     #ifdef SA_RESETHAND
523     sv.sa_flags = SA_RESETHAND;
524     #else
525     sv.sa_flags = 0;
526     #endif
527     sigaction(SIGBUS, &sv, NULL);
528     sv.sa_handler = got_segv;
529     sigaction(SIGSEGV, &sv, NULL);
530     #ifdef SA_RESETHAND
531     sv.sa_flags = 0;
532     #endif
533     sv.sa_handler = got_fpe;
534     sigaction(SIGFPE, &sv, NULL);
535     sv.sa_handler = got_term;
536     sigaction(SIGTERM, &sv, NULL);
537     sv.sa_handler = got_hup;
538     sigaction(SIGHUP, &sv, NULL);
539     sv.sa_handler = got_quit;
540     sigaction(SIGQUIT, &sv, NULL);
541     sv.sa_handler = SIG_IGN;
542     sigaction(SIGPIPE, &sv, NULL);
543     sv.sa_handler = got_ill;
544     sigaction(SIGILL, &sv, NULL);
545     sv.sa_handler = got_alarm;
546     sigaction(SIGALRM, &sv, NULL);
547 fabian 1.27
548     /* Initialize variables and stuff */
549 stdarg 1.108 timer_get_time(&egg_timeval_now);
550     now = egg_timeval_now.sec;
551 segfault 1.1 chanset = NULL;
552 tothwolf 1.79 memcpy(&nowtm, localtime(&now), sizeof(struct tm));
553 fabian 1.17 lastmin = nowtm.tm_min;
554 poptix 1.63 srandom(now % (getpid() + getppid()));
555 segfault 1.1 if (argc > 1)
556     for (i = 1; i < argc; i++)
557     do_arg(argv[i]);
558     printf("\n%s\n", version);
559 guppy 1.93 printf(" *** WARNING: Do NOT run this DEVELOPMENT version for any purpose other than testing.\n\n");
560 guppy 1.53
561     /* Don't allow eggdrop to run as root */
562     if (((int) getuid() == 0) || ((int) geteuid() == 0))
563 ite 1.76 fatal(_("ERROR: Eggdrop will not run as root!"), 0);
564 guppy 1.53
565 ite 1.109 egg = eggdrop_new();
566 ite 1.110 script_init();
567 stdarg 1.98 binds_init();
568 ite 1.109 modules_init();
569 stdarg 1.90 logfile_init();
570 stdarg 1.89 timer_init();
571 stdarg 1.88 dns_init();
572 stdarg 1.85 core_binds_init();
573 stdarg 1.94 dcc_init();
574 stdarg 1.112 user_init();
575 segfault 1.1 init_userent();
576 stdarg 1.78 botnet_init();
577 segfault 1.1 init_net();
578 stdarg 1.80
579 fabian 1.43 if (backgrd)
580     bg_prepare_split();
581 stdarg 1.80
582 fabian 1.8 init_tcl(argc, argv);
583 stdarg 1.80
584 ite 1.111 strlcpy(s, ctime(&now), sizeof s);
585 segfault 1.1 strcpy(&s[11], &s[20]);
586     putlog(LOG_ALL, "*", "--- Loading %s (%s)", ver, s);
587 ite 1.113 if (preload_module[0])
588     module_load(preload_module);
589 segfault 1.1 chanprog();
590 guppy 1.49 if (!encrypt_pass) {
591 ite 1.73 printf(_("You have installed modules but have not selected an encryption\n\
592     module, please consult the default config file for info.\n"));
593 fabian 1.43 bg_send_quit(BG_ABORT);
594 segfault 1.1 exit(1);
595     }
596     i = 0;
597     for (chan = chanset; chan; chan = chan->next)
598     i++;
599 fabian 1.4 putlog(LOG_MISC, "*", "=== %s: %d channels, %d users.",
600 segfault 1.1 botnetnick, i, count_users(userlist));
601     cache_miss = 0;
602     cache_hit = 0;
603 guppy 1.92
604     if (!pid_file[0])
605     snprintf(pid_file, sizeof pid_file, "pid.%s", botnetnick);
606 fabian 1.27
607     /* Check for pre-existing eggdrop! */
608 segfault 1.1 f = fopen(pid_file, "r");
609     if (f != NULL) {
610     fgets(s, 10, f);
611     xx = atoi(s);
612 fabian 1.27 kill(xx, SIGCHLD); /* Meaningless kill to determine if pid
613     is used */
614 segfault 1.1 if (errno != ESRCH) {
615 guppy 1.103 printf(_("I detect %s already running from this directory.\n"), botnetnick);
616 ite 1.73 printf(_("If this is incorrect, erase the %s\n"), pid_file);
617 fabian 1.43 bg_send_quit(BG_ABORT);
618 segfault 1.1 exit(1);
619     }
620     }
621 fabian 1.27
622     /* Move into background? */
623 segfault 1.1 if (backgrd) {
624 fabian 1.38 #ifndef CYGWIN_HACKS
625 fabian 1.43 bg_do_split();
626 fabian 1.38 } else { /* !backgrd */
627 fabian 1.5 #endif
628 fabian 1.38 xx = getpid();
629     if (xx != 0) {
630     FILE *fp;
631    
632     /* Write pid to file */
633     unlink(pid_file);
634     fp = fopen(pid_file, "w");
635     if (fp != NULL) {
636     fprintf(fp, "%u\n", xx);
637     if (fflush(fp)) {
638     /* Let the bot live since this doesn't appear to be a botchk */
639 ite 1.73 printf(_("* Warning! Could not write %s file!\n"), pid_file);
640 fabian 1.38 fclose(fp);
641     unlink(pid_file);
642     } else
643     fclose(fp);
644 fabian 1.27 } else
645 ite 1.73 printf(_("* Warning! Could not write %s file!\n"), pid_file);
646 fabian 1.38 #ifdef CYGWIN_HACKS
647 guppy 1.68 printf("Launched into the background (pid: %d)\n\n", xx);
648 fabian 1.38 #endif
649     }
650 segfault 1.1 }
651 fabian 1.38
652     use_stderr = 0; /* Stop writing to stderr now */
653 segfault 1.1 if (backgrd) {
654 fabian 1.27 /* Ok, try to disassociate from controlling terminal (finger cross) */
655 fabian 1.5 #if HAVE_SETPGID && !defined(CYGWIN_HACKS)
656 segfault 1.1 setpgid(0, 0);
657     #endif
658 fabian 1.38 /* Tcl wants the stdin, stdout and stderr file handles kept open. */
659 segfault 1.1 freopen("/dev/null", "r", stdin);
660     freopen("/dev/null", "w", stdout);
661     freopen("/dev/null", "w", stderr);
662 poptix 1.62 #ifdef CYGWIN_HACKS
663     FreeConsole();
664     #endif
665 segfault 1.1 }
666 fabian 1.27
667     /* Terminal emulating dcc chat */
668 fabian 1.42 if (!backgrd && term_z) {
669 segfault 1.1 int n = new_dcc(&DCC_CHAT, sizeof(struct chat_info));
670    
671 drummer 1.71 dcc[n].addr[0] = '\0';
672 segfault 1.1 dcc[n].sock = STDOUT;
673     dcc[n].timeval = now;
674     dcc[n].u.chat->con_flags = conmask;
675     dcc[n].u.chat->strip_flags = STRIP_ALL;
676     dcc[n].status = STAT_ECHO;
677     strcpy(dcc[n].nick, "HQ");
678     strcpy(dcc[n].host, "llama@console");
679 ite 1.107 dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
680 fabian 1.27 /* Make sure there's an innocuous HQ user if needed */
681 segfault 1.1 if (!dcc[n].user) {
682 ite 1.107 userlist = adduser(userlist, dcc[n].nick, "none", "-", USER_PARTY);
683     dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
684 segfault 1.1 }
685 fabian 1.27 setsock(STDOUT, 0); /* Entry in net table */
686 segfault 1.1 dprintf(n, "\n### ENTERING DCC CHAT SIMULATION ###\n\n");
687     dcc_chatter(n);
688     }
689 fabian 1.27
690 segfault 1.1 online_since = now;
691 fabian 1.27 autolink_cycle(NULL); /* Hurry and connect to tandem bots */
692 segfault 1.1 add_help_reference("cmds1.help");
693     add_help_reference("cmds2.help");
694     add_help_reference("core.help");
695 stdarg 1.82 howlong.sec = 1;
696     howlong.usec = 0;
697     timer_create_repeater(&howlong, (Function) core_secondly);
698 fabian 1.22 add_hook(HOOK_MINUTELY, (Function) core_minutely);
699     add_hook(HOOK_HOURLY, (Function) core_hourly);
700     add_hook(HOOK_REHASH, (Function) event_rehash);
701     add_hook(HOOK_PRE_REHASH, (Function) event_prerehash);
702     add_hook(HOOK_USERFILE, (Function) event_save);
703 guppy 1.69 add_hook(HOOK_BACKUP, (Function) backup_userfile);
704 fabian 1.22 add_hook(HOOK_DAILY, (Function) event_logfile);
705     add_hook(HOOK_DAILY, (Function) event_resettraffic);
706 guppy 1.61 add_hook(HOOK_LOADED, (Function) event_loaded);
707    
708     call_hook(HOOK_LOADED);
709 segfault 1.1
710     debug0("main: entering loop");
711     while (1) {
712     int socket_cleanup = 0;
713    
714 fabian 1.43 #if !defined(HAVE_PRE7_5_TCL)
715 fabian 1.27 /* Process a single tcl event */
716 segfault 1.1 Tcl_DoOneEvent(TCL_ALL_EVENTS | TCL_DONT_WAIT);
717 fabian 1.5 #endif
718 fabian 1.45
719 fabian 1.27 /* Lets move some of this here, reducing the numer of actual
720     * calls to periodic_timers
721     */
722 stdarg 1.108 timer_get_time(&egg_timeval_now);
723     now = egg_timeval_now.sec;
724 fabian 1.27 random(); /* Woop, lets really jumble things */
725 stdarg 1.82 timer_run();
726 fabian 1.45
727     /* Only do this every so often. */
728 segfault 1.1 if (!socket_cleanup) {
729 fabian 1.45 socket_cleanup = 5;
730    
731     /* Remove dead dcc entries. */
732 fabian 1.16 dcc_remove_lost();
733 fabian 1.45
734     /* Check for server or dcc activity. */
735 segfault 1.1 dequeue_sockets();
736     } else
737     socket_cleanup--;
738 fabian 1.45
739     /* Free unused structures. */
740 stdarg 1.100 /* garbage_collect(); */
741 fabian 1.45
742 segfault 1.1 xx = sockgets(buf, &i);
743 stdarg 1.108 timer_get_time(&egg_timeval_now);
744 fabian 1.27 if (xx >= 0) { /* Non-error */
745 segfault 1.1 int idx;
746    
747     for (idx = 0; idx < dcc_total; idx++)
748     if (dcc[idx].sock == xx) {
749 fabian 1.13 if (dcc[idx].type && dcc[idx].type->activity) {
750 fabian 1.27 /* Traffic stats */
751     if (dcc[idx].type->name) {
752     if (!strncmp(dcc[idx].type->name, "BOT", 3))
753     itraffic_bn_today += strlen(buf) + 1;
754     else if (!strcmp(dcc[idx].type->name, "SERVER"))
755     itraffic_irc_today += strlen(buf) + 1;
756     else if (!strncmp(dcc[idx].type->name, "CHAT", 4))
757     itraffic_dcc_today += strlen(buf) + 1;
758     else if (!strncmp(dcc[idx].type->name, "FILES", 5))
759     itraffic_dcc_today += strlen(buf) + 1;
760     else if (!strcmp(dcc[idx].type->name, "SEND"))
761     itraffic_trans_today += strlen(buf) + 1;
762     else if (!strncmp(dcc[idx].type->name, "GET", 3))
763     itraffic_trans_today += strlen(buf) + 1;
764     else
765     itraffic_unknown_today += strlen(buf) + 1;
766     }
767 guppy 1.56 dcc[idx].type->activity(idx, buf, i);
768 fabian 1.13 } else
769 segfault 1.1 putlog(LOG_MISC, "*",
770     "!!! untrapped dcc activity: type %s, sock %d",
771     dcc[idx].type->name, dcc[idx].sock);
772     break;
773     }
774     } else if (xx == -1) { /* EOF from someone */
775     int idx;
776    
777 fabian 1.45 if (i == STDOUT && !backgrd)
778 segfault 1.1 fatal("END OF FILE ON TERMINAL", 0);
779     for (idx = 0; idx < dcc_total; idx++)
780     if (dcc[idx].sock == i) {
781     if (dcc[idx].type && dcc[idx].type->eof)
782     dcc[idx].type->eof(idx);
783     else {
784     putlog(LOG_MISC, "*",
785     "*** ATTENTION: DEAD SOCKET (%d) OF TYPE %s UNTRAPPED",
786 fabian 1.2 i, dcc[idx].type ? dcc[idx].type->name : "*UNKNOWN*");
787     killsock(i);
788 segfault 1.1 lostdcc(idx);
789     }
790     idx = dcc_total + 1;
791     }
792     if (idx == dcc_total) {
793     putlog(LOG_MISC, "*",
794 fabian 1.2 "(@) EOF socket %d, not a dcc socket, not anything.", i);
795     close(i);
796     killsock(i);
797 segfault 1.1 }
798 fabian 1.45 } else if (xx == -2 && errno != EINTR) { /* select() error */
799 segfault 1.1 putlog(LOG_MISC, "*", "* Socket error #%d; recovering.", errno);
800     for (i = 0; i < dcc_total; i++) {
801     if ((fcntl(dcc[i].sock, F_GETFD, 0) == -1) && (errno = EBADF)) {
802     putlog(LOG_MISC, "*",
803     "DCC socket %d (type %d, name '%s') expired -- pfft",
804     dcc[i].sock, dcc[i].type, dcc[i].nick);
805     killsock(dcc[i].sock);
806     lostdcc(i);
807     i--;
808     }
809     }
810 fabian 1.45 } else if (xx == -3) {
811 segfault 1.1 call_hook(HOOK_IDLE);
812 fabian 1.27 socket_cleanup = 0; /* If we've been idle, cleanup & flush */
813 segfault 1.1 }
814 fabian 1.27
815 segfault 1.1 if (do_restart) {
816     if (do_restart == -2)
817     rehash();
818     else {
819 fabian 1.27 /* Unload as many modules as possible */
820 segfault 1.1 int f = 1;
821     module_entry *p;
822     Function x;
823     char xx[256];
824 guppy 1.59
825     /* oops, I guess we should call this event before tcl is restarted */
826 stdarg 1.85 check_bind_event("prerestart");
827 segfault 1.1
828     while (f) {
829     f = 0;
830     for (p = module_list; p != NULL; p = p->next) {
831     dependancy *d = dependancy_list;
832     int ok = 1;
833    
834     while (ok && d) {
835     if (d->needed == p)
836     ok = 0;
837     d = d->next;
838     }
839     if (ok) {
840     strcpy(xx, p->name);
841 guppy 1.103 if (module_unload(xx, botnetnick) == NULL) {
842 segfault 1.1 f = 1;
843     break;
844     }
845     }
846     }
847     }
848     p = module_list;
849     if (p && p->next && p->next->next)
850 fabian 1.45 /* Should be only 2 modules now - blowfish (or some other
851     encryption module) and eggdrop. */
852 ite 1.73 putlog(LOG_MISC, "*", _("Stagnant module; there WILL be memory leaks!"));
853 segfault 1.1 flushlogs();
854     kill_tcl();
855 stdarg 1.87 timer_destroy_all(); /* Destroy all timers. */
856 fabian 1.8 init_tcl(argc, argv);
857 fabian 1.30 /* We expect the encryption module as the current module pointed
858     * to by `module_list'.
859     */
860 segfault 1.1 x = p->funcs[MODCALL_START];
861 fabian 1.30 /* `NULL' indicates that we just recently restarted. The module
862     * is expected to re-initialise as needed.
863     */
864     x(NULL);
865 segfault 1.1 rehash();
866     restart_chons();
867 guppy 1.61 call_hook(HOOK_LOADED);
868 segfault 1.1 }
869     do_restart = 0;
870     }
871     }
872     }

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