/[cvs]/eggdrop1.9/src/main.c
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Revision 1.114 - (hide annotations) (download) (as text)
Fri May 3 01:21:16 2002 UTC (17 years, 3 months ago) by ite
Branch: MAIN
Changes since 1.113: +99 -46 lines
File MIME type: text/x-chdr
* Now using getopt_long() for command line processing. Might not be defnitive.
* Workarounded an issue on cygwin which prevented binmode.o to be linked in.
* Minor configure macros cleanup

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 1.114 * $Id: main.c,v 1.113 2002/04/28 05:53:33 ite 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 ite 1.114
260     static void print_version (void)
261 segfault 1.1 {
262 guppy 1.49 char x[1024], *z = x;
263 ite 1.114
264     strlcpy(x, egg_version, sizeof x);
265     newsplit(&z);
266     newsplit(&z);
267     printf("%s\n", version);
268     if (z[0])
269     printf(" (patches: %s)\n", z);
270     }
271    
272     static void print_help (void)
273     {
274     print_version ();
275     printf("\n\
276     Usage: %s [OPTIONS]... [FILE]\n", PACKAGE);
277     printf(_("\n\
278     -h, --help Print help and exit\n\
279     -v, --version Print version and exit\n\
280     -n, --foreground Don't go into the background (default=off)\n\
281     -c --channel-stats (with -n) Display channel stats every 10 seconds\n\
282     -t --terminal (with -n) Use terminal to simulate dcc-chat\n\
283     -m --make-userfile Userfile creation mode\n\
284     -p --load-module=STRING Modules to load before parsing any configuration\n\
285     file\n\
286     FILE optional config filename (default 'eggdrop.conf')\n"));
287     printf("\n");
288     }
289 segfault 1.1
290 ite 1.114 static void do_args(int argc, char * const *argv)
291     {
292     int c;
293    
294     optarg = 0;
295     optind = 1;
296     opterr = 1;
297     optopt = '?';
298    
299     while (1) {
300     int option_index = 0;
301     static struct option long_options[] = {
302     { "help", 0, NULL, 'h' },
303     { "version", 0, NULL, 'v' },
304     { "load-module", 1, NULL, 'p' },
305     { "foreground", 0, NULL, 'n' },
306     { "channel-stats", 0, NULL, 'c' },
307     { "terminal", 0, NULL, 't' },
308     { "make-userfile", 0, NULL, 'm' },
309     { NULL, 0, NULL, 0 }
310     };
311    
312     c = getopt_long (argc, argv, "hvp:nctm", long_options, &option_index);
313    
314     if (c == -1) break;
315    
316     switch (c) {
317     case 'n':
318 segfault 1.1 backgrd = 0;
319 ite 1.114 break;
320    
321     case 'c':
322 segfault 1.1 con_chan = 1;
323     term_z = 0;
324 ite 1.114 break;
325    
326     case 't':
327 segfault 1.1 con_chan = 0;
328     term_z = 1;
329 ite 1.114 break;
330    
331     case 'm':
332 segfault 1.1 make_userfile = 1;
333 ite 1.114 break;
334    
335     case 'p':
336     strlcpy(preload_module, optarg, sizeof preload_module);
337     break;
338    
339     case 'v':
340     print_version();
341 fabian 1.43 bg_send_quit(BG_ABORT);
342 segfault 1.1 exit(0);
343 ite 1.114 break; /* this should never be reached */
344    
345     case 'h':
346     print_help();
347 fabian 1.43 bg_send_quit(BG_ABORT);
348 segfault 1.1 exit(0);
349 ite 1.114 break; /* this should never be reached */
350    
351     case 0: /* Long option with no short option */
352     case '?': /* Invalid option. */
353     /* getopt_long() already printed an error message. */
354     bg_send_quit(BG_ABORT);
355     exit(1);
356    
357     default: /* bug: option not considered. */
358     fprintf (stderr, "%s: option unknown: %c\n", PACKAGE, c);
359     bg_send_quit(BG_ABORT);
360     exit(1);
361     break; /* this should never be reached */
362     }
363     }
364     if (optind < argc)
365     strlcpy(configfile, argv[optind], sizeof configfile);
366 segfault 1.1 }
367    
368 fabian 1.44 void backup_userfile(void)
369 segfault 1.1 {
370 guppy 1.49 char s[125];
371 segfault 1.1
372 ite 1.73 putlog(LOG_MISC, "*", _("Backing up user file..."));
373 tothwolf 1.91 snprintf(s, sizeof s, "%s~bak", userfile);
374 segfault 1.1 copyfile(userfile, s);
375     }
376    
377 fabian 1.27 /* Timer info */
378     static int lastmin = 99;
379     static struct tm nowtm;
380 segfault 1.1
381 fabian 1.34 /* Called once a second.
382 fabian 1.27 */
383 segfault 1.1 static void core_secondly()
384     {
385     static int cnt = 0;
386     int miltime;
387    
388 stdarg 1.82 call_hook(HOOK_SECONDLY); /* Will be removed later */
389 segfault 1.1 cnt++;
390 fabian 1.27 if (cnt >= 10) { /* Every 10 seconds */
391 segfault 1.1 cnt = 0;
392     check_expired_dcc();
393     if (con_chan && !backgrd) {
394     dprintf(DP_STDOUT, "\033[2J\033[1;1H");
395     tell_verbose_status(DP_STDOUT);
396     do_module_report(DP_STDOUT, 0, "server");
397     do_module_report(DP_STDOUT, 0, "channels");
398     }
399     }
400 tothwolf 1.79 memcpy(&nowtm, localtime(&now), sizeof(struct tm));
401 fabian 1.17 if (nowtm.tm_min != lastmin) {
402 segfault 1.1 int i = 0;
403    
404 fabian 1.27 /* Once a minute */
405 segfault 1.1 lastmin = (lastmin + 1) % 60;
406     call_hook(HOOK_MINUTELY);
407     check_expired_ignores();
408 fabian 1.27 autolink_cycle(NULL); /* Attempt autolinks */
409     /* In case for some reason more than 1 min has passed: */
410 fabian 1.17 while (nowtm.tm_min != lastmin) {
411 fabian 1.27 /* Timer drift, dammit */
412 fabian 1.17 debug2("timer: drift (lastmin=%d, now=%d)", lastmin, nowtm.tm_min);
413 segfault 1.1 i++;
414     lastmin = (lastmin + 1) % 60;
415     call_hook(HOOK_MINUTELY);
416     }
417     if (i > 1)
418     putlog(LOG_MISC, "*", "(!) timer drift -- spun %d minutes", i);
419 fabian 1.17 miltime = (nowtm.tm_hour * 100) + (nowtm.tm_min);
420     if (((int) (nowtm.tm_min / 5) * 5) == (nowtm.tm_min)) { /* 5 min */
421 segfault 1.1 call_hook(HOOK_5MINUTELY);
422 guppy 1.49 if (!miltime) { /* At midnight */
423     char s[25];
424 segfault 1.1
425 ite 1.111 strlcpy(s, ctime(&now), sizeof s);
426 fabian 1.4 putlog(LOG_ALL, "*", "--- %.11s%s", s, s + 20);
427 guppy 1.69 call_hook(HOOK_BACKUP);
428 stdarg 1.90 call_hook(HOOK_DAILY);
429 segfault 1.1 }
430     }
431 fabian 1.17 if (nowtm.tm_min == notify_users_at)
432 segfault 1.1 call_hook(HOOK_HOURLY);
433     }
434     }
435    
436     static void core_minutely()
437     {
438 stdarg 1.85 check_bind_time(&nowtm);
439 segfault 1.1 }
440    
441     static void core_hourly()
442     {
443     write_userfile(-1);
444     }
445    
446     static void event_rehash()
447     {
448 stdarg 1.85 check_bind_event("rehash");
449 segfault 1.1 }
450    
451     static void event_prerehash()
452     {
453 stdarg 1.85 check_bind_event("prerehash");
454 segfault 1.1 }
455    
456     static void event_save()
457     {
458 stdarg 1.85 check_bind_event("save");
459 segfault 1.1 }
460    
461     static void event_logfile()
462     {
463 stdarg 1.85 check_bind_event("logfile");
464 segfault 1.1 }
465    
466 fabian 1.13 static void event_resettraffic()
467     {
468     otraffic_irc += otraffic_irc_today;
469     itraffic_irc += itraffic_irc_today;
470     otraffic_bn += otraffic_bn_today;
471     itraffic_bn += itraffic_bn_today;
472     otraffic_dcc += otraffic_dcc_today;
473     itraffic_dcc += itraffic_dcc_today;
474     otraffic_unknown += otraffic_unknown_today;
475     itraffic_unknown += itraffic_unknown_today;
476     otraffic_trans += otraffic_trans_today;
477     itraffic_trans += itraffic_trans_today;
478     otraffic_irc_today = otraffic_bn_today = 0;
479     otraffic_dcc_today = otraffic_unknown_today = 0;
480     itraffic_irc_today = itraffic_bn_today = 0;
481     itraffic_dcc_today = itraffic_unknown_today = 0;
482 fabian 1.18 itraffic_trans_today = otraffic_trans_today = 0;
483 fabian 1.13 }
484    
485 guppy 1.61 static void event_loaded()
486     {
487 stdarg 1.85 check_bind_event("loaded");
488 guppy 1.61 }
489    
490 segfault 1.1 void kill_tcl();
491     extern module_entry *module_list;
492     void restart_chons();
493    
494 tothwolf 1.97 int init_userent(), init_net(),
495 ite 1.109 init_tcl(int, char **);
496 stdarg 1.112 int user_init();
497 stdarg 1.78 void botnet_init();
498 stdarg 1.88 void dns_init();
499 stdarg 1.85 void binds_init();
500 stdarg 1.94 void dcc_init();
501 fabian 1.11
502 fabian 1.44 void patch(const char *str)
503 fabian 1.11 {
504     char *p = strchr(egg_version, '+');
505    
506     if (!p)
507     p = &egg_version[strlen(egg_version)];
508     sprintf(p, "+%s", str);
509     egg_numver++;
510     sprintf(&egg_xtra[strlen(egg_xtra)], " %s", str);
511     }
512 segfault 1.1
513 stdarg 1.100 /*
514 fabian 1.45 static inline void garbage_collect(void)
515     {
516     static u_8bit_t run_cnt = 0;
517    
518     if (run_cnt == 3)
519     garbage_collect_tclhash();
520     else
521     run_cnt++;
522     }
523 stdarg 1.100 */
524 fabian 1.45
525 segfault 1.1 int main(int argc, char **argv)
526     {
527     int xx, i;
528 guppy 1.49 char buf[520], s[25];
529 segfault 1.1 FILE *f;
530     struct sigaction sv;
531     struct chanset_t *chan;
532 stdarg 1.82 egg_timeval_t howlong;
533 segfault 1.1
534 tothwolf 1.81 #ifdef DEBUG
535 fabian 1.21 /* Make sure it can write core, if you make debug. Else it's pretty
536     * useless (dw)
537     */
538 fabian 1.15 {
539     #include <sys/resource.h>
540     struct rlimit cdlim;
541 fabian 1.21
542 fabian 1.15 cdlim.rlim_cur = RLIM_INFINITY;
543     cdlim.rlim_max = RLIM_INFINITY;
544 fabian 1.32 setrlimit(RLIMIT_CORE, &cdlim);
545 fabian 1.15 }
546     #endif
547 fabian 1.32
548 ite 1.99 #ifdef ENABLE_NLS
549 ite 1.76 setlocale(LC_MESSAGES, "");
550     bindtextdomain(PACKAGE, LOCALEDIR);
551     textdomain(PACKAGE);
552 ite 1.99 #endif
553 ite 1.76
554 segfault 1.1 #include "patch.h"
555 fabian 1.27 /* Version info! */
556 ite 1.114 snprintf(ver, sizeof ver, "%s v%s", PACKAGE, egg_version);
557 wcc 1.106 snprintf(version, sizeof version, "Eggdrop v%s (C) 1997 Robey Pointer (C) 2002 Eggheads",
558 guppy 1.56 egg_version);
559 fabian 1.27 /* Now add on the patchlevel (for Tcl) */
560 fabian 1.2 sprintf(&egg_version[strlen(egg_version)], " %u", egg_numver);
561 segfault 1.1 strcat(egg_version, egg_xtra);
562     #ifdef STOP_UAC
563     {
564     int nvpair[2];
565    
566     nvpair[0] = SSIN_UACPROC;
567     nvpair[1] = UAC_NOPRINT;
568     setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
569     }
570     #endif
571 fabian 1.27
572     /* Set up error traps: */
573 segfault 1.1 sv.sa_handler = got_bus;
574     sigemptyset(&sv.sa_mask);
575     #ifdef SA_RESETHAND
576     sv.sa_flags = SA_RESETHAND;
577     #else
578     sv.sa_flags = 0;
579     #endif
580     sigaction(SIGBUS, &sv, NULL);
581     sv.sa_handler = got_segv;
582     sigaction(SIGSEGV, &sv, NULL);
583     #ifdef SA_RESETHAND
584     sv.sa_flags = 0;
585     #endif
586     sv.sa_handler = got_fpe;
587     sigaction(SIGFPE, &sv, NULL);
588     sv.sa_handler = got_term;
589     sigaction(SIGTERM, &sv, NULL);
590     sv.sa_handler = got_hup;
591     sigaction(SIGHUP, &sv, NULL);
592     sv.sa_handler = got_quit;
593     sigaction(SIGQUIT, &sv, NULL);
594     sv.sa_handler = SIG_IGN;
595     sigaction(SIGPIPE, &sv, NULL);
596     sv.sa_handler = got_ill;
597     sigaction(SIGILL, &sv, NULL);
598     sv.sa_handler = got_alarm;
599     sigaction(SIGALRM, &sv, NULL);
600 fabian 1.27
601     /* Initialize variables and stuff */
602 stdarg 1.108 timer_get_time(&egg_timeval_now);
603     now = egg_timeval_now.sec;
604 segfault 1.1 chanset = NULL;
605 tothwolf 1.79 memcpy(&nowtm, localtime(&now), sizeof(struct tm));
606 fabian 1.17 lastmin = nowtm.tm_min;
607 poptix 1.63 srandom(now % (getpid() + getppid()));
608 ite 1.114
609     do_args(argc, argv);
610    
611 segfault 1.1 printf("\n%s\n", version);
612 guppy 1.93 printf(" *** WARNING: Do NOT run this DEVELOPMENT version for any purpose other than testing.\n\n");
613 guppy 1.53
614     /* Don't allow eggdrop to run as root */
615     if (((int) getuid() == 0) || ((int) geteuid() == 0))
616 ite 1.76 fatal(_("ERROR: Eggdrop will not run as root!"), 0);
617 guppy 1.53
618 ite 1.109 egg = eggdrop_new();
619 ite 1.110 script_init();
620 stdarg 1.98 binds_init();
621 ite 1.109 modules_init();
622 stdarg 1.90 logfile_init();
623 stdarg 1.89 timer_init();
624 stdarg 1.88 dns_init();
625 stdarg 1.85 core_binds_init();
626 stdarg 1.94 dcc_init();
627 stdarg 1.112 user_init();
628 segfault 1.1 init_userent();
629 stdarg 1.78 botnet_init();
630 segfault 1.1 init_net();
631 stdarg 1.80
632 fabian 1.43 if (backgrd)
633     bg_prepare_split();
634 stdarg 1.80
635 fabian 1.8 init_tcl(argc, argv);
636 stdarg 1.80
637 ite 1.111 strlcpy(s, ctime(&now), sizeof s);
638 segfault 1.1 strcpy(&s[11], &s[20]);
639     putlog(LOG_ALL, "*", "--- Loading %s (%s)", ver, s);
640 ite 1.113 if (preload_module[0])
641     module_load(preload_module);
642 segfault 1.1 chanprog();
643 guppy 1.49 if (!encrypt_pass) {
644 ite 1.73 printf(_("You have installed modules but have not selected an encryption\n\
645     module, please consult the default config file for info.\n"));
646 fabian 1.43 bg_send_quit(BG_ABORT);
647 segfault 1.1 exit(1);
648     }
649     i = 0;
650     for (chan = chanset; chan; chan = chan->next)
651     i++;
652 fabian 1.4 putlog(LOG_MISC, "*", "=== %s: %d channels, %d users.",
653 segfault 1.1 botnetnick, i, count_users(userlist));
654     cache_miss = 0;
655     cache_hit = 0;
656 guppy 1.92
657     if (!pid_file[0])
658     snprintf(pid_file, sizeof pid_file, "pid.%s", botnetnick);
659 fabian 1.27
660     /* Check for pre-existing eggdrop! */
661 segfault 1.1 f = fopen(pid_file, "r");
662     if (f != NULL) {
663     fgets(s, 10, f);
664     xx = atoi(s);
665 fabian 1.27 kill(xx, SIGCHLD); /* Meaningless kill to determine if pid
666     is used */
667 segfault 1.1 if (errno != ESRCH) {
668 guppy 1.103 printf(_("I detect %s already running from this directory.\n"), botnetnick);
669 ite 1.73 printf(_("If this is incorrect, erase the %s\n"), pid_file);
670 fabian 1.43 bg_send_quit(BG_ABORT);
671 segfault 1.1 exit(1);
672     }
673     }
674 fabian 1.27
675     /* Move into background? */
676 segfault 1.1 if (backgrd) {
677 fabian 1.38 #ifndef CYGWIN_HACKS
678 fabian 1.43 bg_do_split();
679 fabian 1.38 } else { /* !backgrd */
680 fabian 1.5 #endif
681 fabian 1.38 xx = getpid();
682     if (xx != 0) {
683     FILE *fp;
684    
685     /* Write pid to file */
686     unlink(pid_file);
687     fp = fopen(pid_file, "w");
688     if (fp != NULL) {
689     fprintf(fp, "%u\n", xx);
690     if (fflush(fp)) {
691     /* Let the bot live since this doesn't appear to be a botchk */
692 ite 1.73 printf(_("* Warning! Could not write %s file!\n"), pid_file);
693 fabian 1.38 fclose(fp);
694     unlink(pid_file);
695     } else
696     fclose(fp);
697 fabian 1.27 } else
698 ite 1.73 printf(_("* Warning! Could not write %s file!\n"), pid_file);
699 fabian 1.38 #ifdef CYGWIN_HACKS
700 guppy 1.68 printf("Launched into the background (pid: %d)\n\n", xx);
701 fabian 1.38 #endif
702     }
703 segfault 1.1 }
704 fabian 1.38
705     use_stderr = 0; /* Stop writing to stderr now */
706 segfault 1.1 if (backgrd) {
707 fabian 1.27 /* Ok, try to disassociate from controlling terminal (finger cross) */
708 fabian 1.5 #if HAVE_SETPGID && !defined(CYGWIN_HACKS)
709 segfault 1.1 setpgid(0, 0);
710     #endif
711 fabian 1.38 /* Tcl wants the stdin, stdout and stderr file handles kept open. */
712 segfault 1.1 freopen("/dev/null", "r", stdin);
713     freopen("/dev/null", "w", stdout);
714     freopen("/dev/null", "w", stderr);
715 poptix 1.62 #ifdef CYGWIN_HACKS
716     FreeConsole();
717     #endif
718 segfault 1.1 }
719 fabian 1.27
720     /* Terminal emulating dcc chat */
721 fabian 1.42 if (!backgrd && term_z) {
722 segfault 1.1 int n = new_dcc(&DCC_CHAT, sizeof(struct chat_info));
723    
724 drummer 1.71 dcc[n].addr[0] = '\0';
725 segfault 1.1 dcc[n].sock = STDOUT;
726     dcc[n].timeval = now;
727     dcc[n].u.chat->con_flags = conmask;
728     dcc[n].u.chat->strip_flags = STRIP_ALL;
729     dcc[n].status = STAT_ECHO;
730     strcpy(dcc[n].nick, "HQ");
731     strcpy(dcc[n].host, "llama@console");
732 ite 1.107 dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
733 fabian 1.27 /* Make sure there's an innocuous HQ user if needed */
734 segfault 1.1 if (!dcc[n].user) {
735 ite 1.107 userlist = adduser(userlist, dcc[n].nick, "none", "-", USER_PARTY);
736     dcc[n].user = get_user_by_handle(userlist, dcc[n].nick);
737 segfault 1.1 }
738 fabian 1.27 setsock(STDOUT, 0); /* Entry in net table */
739 segfault 1.1 dprintf(n, "\n### ENTERING DCC CHAT SIMULATION ###\n\n");
740     dcc_chatter(n);
741     }
742 fabian 1.27
743 segfault 1.1 online_since = now;
744 fabian 1.27 autolink_cycle(NULL); /* Hurry and connect to tandem bots */
745 segfault 1.1 add_help_reference("cmds1.help");
746     add_help_reference("cmds2.help");
747     add_help_reference("core.help");
748 stdarg 1.82 howlong.sec = 1;
749     howlong.usec = 0;
750     timer_create_repeater(&howlong, (Function) core_secondly);
751 fabian 1.22 add_hook(HOOK_MINUTELY, (Function) core_minutely);
752     add_hook(HOOK_HOURLY, (Function) core_hourly);
753     add_hook(HOOK_REHASH, (Function) event_rehash);
754     add_hook(HOOK_PRE_REHASH, (Function) event_prerehash);
755     add_hook(HOOK_USERFILE, (Function) event_save);
756 guppy 1.69 add_hook(HOOK_BACKUP, (Function) backup_userfile);
757 fabian 1.22 add_hook(HOOK_DAILY, (Function) event_logfile);
758     add_hook(HOOK_DAILY, (Function) event_resettraffic);
759 guppy 1.61 add_hook(HOOK_LOADED, (Function) event_loaded);
760    
761     call_hook(HOOK_LOADED);
762 segfault 1.1
763     debug0("main: entering loop");
764     while (1) {
765     int socket_cleanup = 0;
766    
767 fabian 1.43 #if !defined(HAVE_PRE7_5_TCL)
768 fabian 1.27 /* Process a single tcl event */
769 segfault 1.1 Tcl_DoOneEvent(TCL_ALL_EVENTS | TCL_DONT_WAIT);
770 fabian 1.5 #endif
771 fabian 1.45
772 fabian 1.27 /* Lets move some of this here, reducing the numer of actual
773     * calls to periodic_timers
774     */
775 stdarg 1.108 timer_get_time(&egg_timeval_now);
776     now = egg_timeval_now.sec;
777 fabian 1.27 random(); /* Woop, lets really jumble things */
778 stdarg 1.82 timer_run();
779 fabian 1.45
780     /* Only do this every so often. */
781 segfault 1.1 if (!socket_cleanup) {
782 fabian 1.45 socket_cleanup = 5;
783    
784     /* Remove dead dcc entries. */
785 fabian 1.16 dcc_remove_lost();
786 fabian 1.45
787     /* Check for server or dcc activity. */
788 segfault 1.1 dequeue_sockets();
789     } else
790     socket_cleanup--;
791 fabian 1.45
792     /* Free unused structures. */
793 stdarg 1.100 /* garbage_collect(); */
794 fabian 1.45
795 segfault 1.1 xx = sockgets(buf, &i);
796 stdarg 1.108 timer_get_time(&egg_timeval_now);
797 fabian 1.27 if (xx >= 0) { /* Non-error */
798 segfault 1.1 int idx;
799    
800     for (idx = 0; idx < dcc_total; idx++)
801     if (dcc[idx].sock == xx) {
802 fabian 1.13 if (dcc[idx].type && dcc[idx].type->activity) {
803 fabian 1.27 /* Traffic stats */
804     if (dcc[idx].type->name) {
805     if (!strncmp(dcc[idx].type->name, "BOT", 3))
806     itraffic_bn_today += strlen(buf) + 1;
807     else if (!strcmp(dcc[idx].type->name, "SERVER"))
808     itraffic_irc_today += strlen(buf) + 1;
809     else if (!strncmp(dcc[idx].type->name, "CHAT", 4))
810     itraffic_dcc_today += strlen(buf) + 1;
811     else if (!strncmp(dcc[idx].type->name, "FILES", 5))
812     itraffic_dcc_today += strlen(buf) + 1;
813     else if (!strcmp(dcc[idx].type->name, "SEND"))
814     itraffic_trans_today += strlen(buf) + 1;
815     else if (!strncmp(dcc[idx].type->name, "GET", 3))
816     itraffic_trans_today += strlen(buf) + 1;
817     else
818     itraffic_unknown_today += strlen(buf) + 1;
819     }
820 guppy 1.56 dcc[idx].type->activity(idx, buf, i);
821 fabian 1.13 } else
822 segfault 1.1 putlog(LOG_MISC, "*",
823     "!!! untrapped dcc activity: type %s, sock %d",
824     dcc[idx].type->name, dcc[idx].sock);
825     break;
826     }
827     } else if (xx == -1) { /* EOF from someone */
828     int idx;
829    
830 fabian 1.45 if (i == STDOUT && !backgrd)
831 segfault 1.1 fatal("END OF FILE ON TERMINAL", 0);
832     for (idx = 0; idx < dcc_total; idx++)
833     if (dcc[idx].sock == i) {
834     if (dcc[idx].type && dcc[idx].type->eof)
835     dcc[idx].type->eof(idx);
836     else {
837     putlog(LOG_MISC, "*",
838     "*** ATTENTION: DEAD SOCKET (%d) OF TYPE %s UNTRAPPED",
839 fabian 1.2 i, dcc[idx].type ? dcc[idx].type->name : "*UNKNOWN*");
840     killsock(i);
841 segfault 1.1 lostdcc(idx);
842     }
843     idx = dcc_total + 1;
844     }
845     if (idx == dcc_total) {
846     putlog(LOG_MISC, "*",
847 fabian 1.2 "(@) EOF socket %d, not a dcc socket, not anything.", i);
848     close(i);
849     killsock(i);
850 segfault 1.1 }
851 fabian 1.45 } else if (xx == -2 && errno != EINTR) { /* select() error */
852 segfault 1.1 putlog(LOG_MISC, "*", "* Socket error #%d; recovering.", errno);
853     for (i = 0; i < dcc_total; i++) {
854     if ((fcntl(dcc[i].sock, F_GETFD, 0) == -1) && (errno = EBADF)) {
855     putlog(LOG_MISC, "*",
856     "DCC socket %d (type %d, name '%s') expired -- pfft",
857     dcc[i].sock, dcc[i].type, dcc[i].nick);
858     killsock(dcc[i].sock);
859     lostdcc(i);
860     i--;
861     }
862     }
863 fabian 1.45 } else if (xx == -3) {
864 segfault 1.1 call_hook(HOOK_IDLE);
865 fabian 1.27 socket_cleanup = 0; /* If we've been idle, cleanup & flush */
866 segfault 1.1 }
867 fabian 1.27
868 segfault 1.1 if (do_restart) {
869     if (do_restart == -2)
870     rehash();
871     else {
872 fabian 1.27 /* Unload as many modules as possible */
873 segfault 1.1 int f = 1;
874     module_entry *p;
875     Function x;
876     char xx[256];
877 guppy 1.59
878     /* oops, I guess we should call this event before tcl is restarted */
879 stdarg 1.85 check_bind_event("prerestart");
880 segfault 1.1
881     while (f) {
882     f = 0;
883     for (p = module_list; p != NULL; p = p->next) {
884     dependancy *d = dependancy_list;
885     int ok = 1;
886    
887     while (ok && d) {
888     if (d->needed == p)
889     ok = 0;
890     d = d->next;
891     }
892     if (ok) {
893     strcpy(xx, p->name);
894 guppy 1.103 if (module_unload(xx, botnetnick) == NULL) {
895 segfault 1.1 f = 1;
896     break;
897     }
898     }
899     }
900     }
901     p = module_list;
902     if (p && p->next && p->next->next)
903 fabian 1.45 /* Should be only 2 modules now - blowfish (or some other
904     encryption module) and eggdrop. */
905 ite 1.73 putlog(LOG_MISC, "*", _("Stagnant module; there WILL be memory leaks!"));
906 segfault 1.1 flushlogs();
907     kill_tcl();
908 stdarg 1.87 timer_destroy_all(); /* Destroy all timers. */
909 fabian 1.8 init_tcl(argc, argv);
910 fabian 1.30 /* We expect the encryption module as the current module pointed
911     * to by `module_list'.
912     */
913 segfault 1.1 x = p->funcs[MODCALL_START];
914 fabian 1.30 /* `NULL' indicates that we just recently restarted. The module
915     * is expected to re-initialise as needed.
916     */
917     x(NULL);
918 segfault 1.1 rehash();
919     restart_chons();
920 guppy 1.61 call_hook(HOOK_LOADED);
921 segfault 1.1 }
922     do_restart = 0;
923     }
924     }
925     }

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