/[cvs]/eggdrop1.9/src/main.c
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Contents of /eggdrop1.9/src/main.c

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Revision 1.1 - (show annotations) (download) (as text)
Mon Sep 13 14:36:18 1999 UTC (19 years, 10 months ago) by segfault
Branch: MAIN
File MIME type: text/x-chdr
Initial commit based off of .29 cvs

1 /*
2 * main.c -- handles:
3 * changing nicknames when the desired nick is in use
4 * flood detection
5 * signal handling
6 * command line arguments
7 *
8 * dprintf'ized, 15nov1995
9 */
10 /*
11 * This file is part of the eggdrop source code
12 * copyright (c) 1997 Robey Pointer
13 * and is distributed according to the GNU general public license.
14 *
15 * Parts of this eggdrop source code are copyright (c)1999 Eggheads
16 * and is distributed according to the GNU general public license.
17 *
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
22 *
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *
32 * The author (Robey Pointer) can be reached at: robey@netcom.com
33 * NOTE: Robey is no long working on this code, there is a discussion
34 * list avaliable at eggheads@eggheads.org.
35 */
36
37 #include "main.h"
38 #include <time.h>
39 #include <fcntl.h>
40 #include <errno.h>
41 #include <signal.h>
42 #include <netdb.h>
43 #include <setjmp.h>
44 #ifdef STOP_UAC /* osf/1 complains a lot */
45 #include <sys/sysinfo.h>
46 #define UAC_NOPRINT 0x00000001 /* Don't report unaligned fixups */
47 #endif
48 /* some systems have a working sys/wait.h even though configure will
49 * decide it's not bsd compatable. oh well. */
50 #include "chan.h"
51 #include "modules.h"
52 #include "tandem.h"
53
54 #ifndef _POSIX_SOURCE
55 /* solaris needs this */
56 #define _POSIX_SOURCE 1
57 #endif
58
59 extern char origbotname[];
60 extern int dcc_total;
61 extern struct dcc_t *dcc;
62 extern int conmask;
63 extern struct userrec *userlist;
64 extern int cache_hit, cache_miss;
65 extern char userfile[];
66 extern struct chanset_t *chanset;
67 extern char botnetnick[];
68 extern log_t *logs;
69 extern Tcl_Interp *interp;
70 extern int max_logs;
71 extern tcl_timer_t *timer, *utimer;
72 extern jmp_buf alarmret;
73 extern int quick_logs; /* dw */
74
75 /*
76 * Please use the PATCH macro instead of directly altering the version
77 * string from now on (it makes it much easier to maintain patches).
78 * Also please read the README file regarding your rights to distribute
79 * modified versions of this bot.
80 */
81
82 char egg_version[1024] = "1.4.0";
83 int egg_numver = 1040000;
84
85 char notify_new[121] = ""; /* person to send a note to for new users */
86 int default_flags = 0; /* default user flags and */
87 int default_uflags = 0; /* default userdefinied flags for people */
88 /* who say 'hello' or for .adduser */
89
90 int backgrd = 1; /* run in the background? */
91 int con_chan = 0; /* foreground: constantly display channel
92 * stats? */
93 int term_z = 0; /* foreground: use the terminal as a party
94 * line? */
95 char configfile[121] = "egg.config"; /* name of the config file */
96 char helpdir[121]; /* directory of help files (if used) */
97 char textdir[121] = ""; /* directory for text files that get dumped */
98 int keep_all_logs = 0; /* never erase logfiles, no matter how old
99 * they are? */
100 time_t online_since; /* unix-time that the bot loaded up */
101 int make_userfile = 0; /* using bot in make-userfile mode? (first
102 * user to 'hello' becomes master) */
103 char owner[121] = ""; /* permanent owner(s) of the bot */
104 char pid_file[40]; /* name of the file for the pid to be
105 * stored in */
106 int save_users_at = 0; /* how many minutes past the hour to
107 * save the userfile? */
108 int notify_users_at = 0; /* how many minutes past the hour to
109 * notify users of notes? */
110 int switch_logfiles_at = 300; /* when (military time) to switch logfiles */
111 char version[81]; /* version info (long form) */
112 char ver[41]; /* version info (short form) */
113 char egg_xtra[2048]; /* patch info */
114 int use_stderr = 1; /* send stuff to stderr instead of logfiles? */
115 int do_restart = 0; /* .restart has been called, restart asap */
116 int die_on_sighup = 0; /* die if bot receives SIGHUP */
117 int die_on_sigterm = 0; /* die if bot receives SIGTERM */
118 int resolve_timeout = 15; /* hostname/address lookup timeout */
119 time_t now; /* duh, now :) */
120
121 /* context storage for fatal crashes */
122 char cx_file[16][30];
123 char cx_note[16][256];
124 int cx_line[16];
125 int cx_ptr = 0;
126
127 void fatal(char *s, int recoverable)
128 {
129 int i;
130
131 putlog(LOG_MISC, "*", "* %s", s);
132 flushlogs();
133 for (i = 0; i < dcc_total; i++)
134 killsock(dcc[i].sock);
135 unlink(pid_file);
136 if (!recoverable)
137 exit(1);
138 }
139
140 int expmem_chanprog(), expmem_users(), expmem_misc(), expmem_dccutil(),
141 expmem_botnet(), expmem_tcl(), expmem_tclhash(), expmem_net(),
142 expmem_modules(int), expmem_language(), expmem_tcldcc();
143
144 /* for mem.c : calculate memory we SHOULD be using */
145 int expected_memory()
146 {
147 int tot;
148
149 context;
150 tot = expmem_chanprog() + expmem_users() + expmem_misc() +
151 expmem_dccutil() + expmem_botnet() + expmem_tcl() + expmem_tclhash() +
152 expmem_net() + expmem_modules(0) + expmem_language() + expmem_tcldcc();
153 return tot;
154 }
155
156 static void check_expired_dcc()
157 {
158 int i;
159
160 for (i = 0; i < dcc_total; i++)
161 if (dcc[i].type && dcc[i].type->timeout_val &&
162 ((now - dcc[i].timeval) > *(dcc[i].type->timeout_val))) {
163 if (dcc[i].type->timeout)
164 dcc[i].type->timeout(i);
165 else if (dcc[i].type->eof)
166 dcc[i].type->eof(i);
167 else
168 continue;
169 /* only timeout 1 socket per cycle, too risky for more */
170 return;
171 }
172 }
173
174 static int nested_debug = 0;
175
176 void write_debug()
177 {
178 int x;
179 char s[80];
180 int y;
181
182 if (nested_debug) {
183 /* yoicks, if we have this there's serious trouble */
184 /* all of these are pretty reliable, so we'll try these */
185 /* dont try and display context-notes in here, it's _not_ safe <cybah> */
186 x = creat("DEBUG.DEBUG", 0644);
187 setsock(x, SOCK_NONSOCK);
188 if (x >= 0) {
189 strcpy(s, ctime(&now));
190 dprintf(-x, "Debug (%s) written %s", ver, s);
191 dprintf(-x, "Please report problem to eggheads@eggheads.org");
192 dprintf(-x, "after a visit to http://www.eggheads.org/bugs.html");
193 dprintf(-x, "Full Patch List: %s\n", egg_xtra);
194 dprintf(-x, "Context: ");
195 cx_ptr = cx_ptr & 15;
196 for (y = ((cx_ptr + 1) & 15); y != cx_ptr; y = ((y + 1) & 15))
197 dprintf(-x, "%s/%d,\n ", cx_file[y], cx_line[y]);
198 dprintf(-x, "%s/%d\n\n", cx_file[y], cx_line[y]);
199 killsock(x);
200 close(x);
201 }
202 exit(1); /* dont even try & tell people about, that may
203 * have caused the fault last time */
204 } else
205 nested_debug = 1;
206 putlog(LOG_MISC, "*", "* Last context: %s/%d [%s]", cx_file[cx_ptr],
207 cx_line[cx_ptr], cx_note[cx_ptr][0] ? cx_note[cx_ptr] : "");
208 x = creat("DEBUG", 0644);
209 setsock(x, SOCK_NONSOCK);
210 if (x < 0) {
211 putlog(LOG_MISC, "*", "* Failed to write DEBUG");
212 } else {
213 strcpy(s, ctime(&now));
214 dprintf(-x, "Debug (%s) written %s", ver, s);
215 dprintf(-x, "Full Patch List: %s\n", egg_xtra);
216 #ifdef STATIC
217 dprintf(-x, "STATICALLY LINKED\n");
218 #endif
219 strcpy(s, "info library");
220 if (interp && (Tcl_Eval(interp, s) == TCL_OK))
221 dprintf(-x, "Using tcl library: %s (header version %s)\n",
222 interp->result, TCL_VERSION);
223 dprintf(-x, "Compile flags: %s\n", CCFLAGS);
224 dprintf(-x, "Link flags : %s\n", LDFLAGS);
225 dprintf(-x, "Strip flags : %s\n", STRIPFLAGS);
226 dprintf(-x, "Context: ");
227 cx_ptr = cx_ptr & 15;
228 for (y = ((cx_ptr + 1) & 15); y != cx_ptr; y = ((y + 1) & 15))
229 dprintf(-x, "%s/%d, [%s]\n ", cx_file[y], cx_line[y],
230 (cx_note[y][0]) ? cx_note[y] : "");
231 dprintf(-x, "%s/%d [%s]\n\n", cx_file[cx_ptr], cx_line[cx_ptr],
232 (cx_note[cx_ptr][0]) ? cx_note[cx_ptr] : "");
233 tell_dcc(-x);
234 dprintf(-x, "\n");
235 debug_mem_to_dcc(-x);
236 killsock(x);
237 close(x);
238 putlog(LOG_MISC, "*", "* Wrote DEBUG");
239 }
240 }
241
242 static void got_bus(int z)
243 {
244 write_debug();
245 fatal("BUS ERROR -- CRASHING!", 1);
246 #ifdef SA_RESETHAND
247 kill(getpid(), SIGBUS);
248 #else
249 exit(1);
250 #endif
251 }
252
253 static void got_segv(int z)
254 {
255 write_debug();
256 fatal("SEGMENT VIOLATION -- CRASHING!", 1);
257 #ifdef SA_RESETHAND
258 kill(getpid(), SIGSEGV);
259 #else
260 exit(1);
261 #endif
262 }
263
264 static void got_fpe(int z)
265 {
266 write_debug();
267 fatal("FLOATING POINT ERROR -- CRASHING!", 0);
268 }
269
270 static void got_term(int z)
271 {
272 write_userfile(-1);
273 check_tcl_event("sigterm");
274 if (die_on_sigterm) {
275 botnet_send_chat(-1, botnetnick, "ACK, I've been terminated!");
276 fatal("TERMINATE SIGNAL -- SIGNING OFF", 0);
277 } else {
278 putlog(LOG_MISC, "*", "RECEIVED TERMINATE SIGNAL (IGNORING)");
279 }
280 }
281
282 static void got_quit(int z)
283 {
284 check_tcl_event("sigquit");
285 putlog(LOG_MISC, "*", "RECEIVED QUIT SIGNAL (IGNORING)");
286 return;
287 }
288
289 static void got_hup(int z)
290 {
291 write_userfile(-1);
292 check_tcl_event("sighup");
293 if (die_on_sighup) {
294 fatal("HANGUP SIGNAL -- SIGNING OFF", 0);
295 } else
296 putlog(LOG_MISC, "*", "Received HUP signal: rehashing...");
297 do_restart = -2;
298 return;
299 }
300
301 static void got_alarm(int z)
302 {
303 /* a call to resolver (gethostbyname, etc) timed out */
304 longjmp(alarmret, 1);
305 /* STUPID STUPID STUPID */
306 /* return; */
307 }
308
309 /* got ILL signal -- log context and continue */
310 static void got_ill(int z)
311 {
312 check_tcl_event("sigill");
313 putlog(LOG_MISC, "*", "* Context: %s/%d [%s]", cx_file[cx_ptr],
314 cx_line[cx_ptr], (cx_note[cx_ptr][0]) ? cx_note[cx_ptr] : "");
315 }
316
317 static void do_arg(char *s)
318 {
319 int i;
320
321 if (s[0] == '-')
322 for (i = 1; i < strlen(s); i++) {
323 if (s[i] == 'n')
324 backgrd = 0;
325 if (s[i] == 'c') {
326 con_chan = 1;
327 term_z = 0;
328 }
329 if (s[i] == 't') {
330 con_chan = 0;
331 term_z = 1;
332 }
333 if (s[i] == 'm')
334 make_userfile = 1;
335 if (s[i] == 'v') {
336 char x[256], *z = x;
337
338 strcpy(x, egg_version);
339 newsplit(&z);
340 newsplit(&z);
341 printf("%s\n", version);
342 if (z[0])
343 printf(" (patches: %s)\n", z);
344 exit(0);
345 }
346 if (s[i] == 'h') {
347 printf("\n%s\n\n", version);
348 printf(EGG_USAGE);
349 printf("\n");
350 exit(0);
351 }
352 } else
353 strcpy(configfile, s);
354 }
355
356 void backup_userfile()
357 {
358 char s[150];
359
360 putlog(LOG_MISC, "*", USERF_BACKUP);
361 strcpy(s, userfile);
362 strcat(s, "~bak");
363 copyfile(userfile, s);
364 }
365
366 /* timer info: */
367 static int lastmin = 99;
368 static time_t then;
369 static struct tm *nowtm;
370
371 /* rally BB, this is not QUITE as bad as it seems <G> */
372 /* ONCE A SECOND */
373 static void core_secondly()
374 {
375 static int cnt = 0;
376 int miltime;
377
378 do_check_timers(&utimer); /* secondly timers */
379 cnt++;
380 if (cnt >= 10) { /* every 10 seconds */
381 cnt = 0;
382 check_expired_dcc();
383 if (con_chan && !backgrd) {
384 dprintf(DP_STDOUT, "\033[2J\033[1;1H");
385 tell_verbose_status(DP_STDOUT);
386 do_module_report(DP_STDOUT, 0, "server");
387 do_module_report(DP_STDOUT, 0, "channels");
388 tell_mem_status_dcc(DP_STDOUT);
389 }
390 }
391 context;
392 nowtm = localtime(&now);
393 if (nowtm->tm_min != lastmin) {
394 int i = 0;
395
396 /* once a minute */
397 lastmin = (lastmin + 1) % 60;
398 call_hook(HOOK_MINUTELY);
399 check_expired_ignores();
400 autolink_cycle(NULL); /* attempt autolinks */
401 /* in case for some reason more than 1 min has passed: */
402 while (nowtm->tm_min != lastmin) {
403 /* timer drift, dammit */
404 debug2("timer: drift (lastmin=%d, now=%d)", lastmin, nowtm->tm_min);
405 context;
406 i++;
407 lastmin = (lastmin + 1) % 60;
408 call_hook(HOOK_MINUTELY);
409 }
410 if (i > 1)
411 putlog(LOG_MISC, "*", "(!) timer drift -- spun %d minutes", i);
412 miltime = (nowtm->tm_hour * 100) + (nowtm->tm_min);
413 context;
414 if (((int) (nowtm->tm_min / 5) * 5) == (nowtm->tm_min)) { /* 5 min */
415 call_hook(HOOK_5MINUTELY);
416 check_botnet_pings();
417 context;
418 if (quick_logs == 0) {
419 flushlogs();
420 check_logsize();
421 }
422 if (miltime == 0) { /* at midnight */
423 char s[128];
424 int j;
425
426 s[my_strcpy(s, ctime(&now)) - 1] = 0;
427 putlog(LOG_MISC, "*", "--- %.11s%s", s, s + 20);
428 backup_userfile();
429 for (j = 0; j < max_logs; j++) {
430 if (logs[j].filename != NULL && logs[j].f != NULL) {
431 fclose(logs[j].f);
432 logs[j].f = NULL;
433 }
434 }
435 }
436 }
437 context;
438 if (nowtm->tm_min == notify_users_at)
439 call_hook(HOOK_HOURLY);
440 context; /* these no longer need checking since they are
441 * all check vs minutely settings and we only
442 * get this far on the minute */
443 if (miltime == switch_logfiles_at) {
444 call_hook(HOOK_DAILY);
445 if (!keep_all_logs) {
446 putlog(LOG_MISC, "*", MISC_LOGSWITCH);
447 for (i = 0; i < max_logs; i++)
448 if (logs[i].filename) {
449 char s[1024];
450
451 if (logs[i].f) {
452 fclose(logs[i].f);
453 logs[i].f = NULL;
454 }
455 simple_sprintf(s, "%s.yesterday", logs[i].filename);
456 unlink(s);
457 rename(logs[i].filename, s);
458 }
459 }
460 }
461 }
462 }
463
464 static void core_minutely()
465 {
466 context;
467 check_tcl_time(nowtm);
468 do_check_timers(&timer);
469 context;
470 if (quick_logs != 0) {
471 flushlogs();
472 check_logsize();
473 }
474 }
475
476 static void core_hourly()
477 {
478 context;
479 write_userfile(-1);
480 }
481
482 static void event_rehash()
483 {
484 context;
485 check_tcl_event("rehash");
486 }
487
488 static void event_prerehash()
489 {
490 context;
491 check_tcl_event("prerehash");
492 }
493
494 static void event_save()
495 {
496 context;
497 check_tcl_event("save");
498 }
499
500 static void event_logfile()
501 {
502 context;
503 check_tcl_event("logfile");
504 }
505
506 void kill_tcl();
507 extern module_entry *module_list;
508 void restart_chons();
509
510 #ifdef STATIC
511 void check_static(char *, char *(*)());
512
513 #include "mod/static.h"
514 #endif
515 int init_mem(), init_dcc_max(), init_userent(), init_misc(), init_bots(),
516 init_net(), init_modules(), init_tcl(), init_language(int);
517
518 int main(int argc, char **argv)
519 {
520 int xx, i;
521 char buf[520], s[520];
522 FILE *f;
523 struct sigaction sv;
524 struct chanset_t *chan;
525
526 /* initialise context list */
527 for (i = 0; i < 16; i++) {
528 context;
529 }
530 #include "patch.h"
531 /* version info! */
532 sprintf(ver, "eggdrop v%s", egg_version);
533 sprintf(version, "Eggdrop v%s (c)1997 Robey Pointer (c)1999 Eggheads", egg_version);
534 /* now add on the patchlevel (for Tcl) */
535 sprintf(&egg_version[strlen(egg_version)], " %08u", egg_numver);
536 strcat(egg_version, egg_xtra);
537 context;
538 #ifdef STOP_UAC
539 {
540 int nvpair[2];
541
542 nvpair[0] = SSIN_UACPROC;
543 nvpair[1] = UAC_NOPRINT;
544 setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
545 }
546 #endif
547 /* set up error traps: */
548 sv.sa_handler = got_bus;
549 sigemptyset(&sv.sa_mask);
550 #ifdef SA_RESETHAND
551 sv.sa_flags = SA_RESETHAND;
552 #else
553 sv.sa_flags = 0;
554 #endif
555 sigaction(SIGBUS, &sv, NULL);
556 sv.sa_handler = got_segv;
557 sigaction(SIGSEGV, &sv, NULL);
558 #ifdef SA_RESETHAND
559 sv.sa_flags = 0;
560 #endif
561 sv.sa_handler = got_fpe;
562 sigaction(SIGFPE, &sv, NULL);
563 sv.sa_handler = got_term;
564 sigaction(SIGTERM, &sv, NULL);
565 sv.sa_handler = got_hup;
566 sigaction(SIGHUP, &sv, NULL);
567 sv.sa_handler = got_quit;
568 sigaction(SIGQUIT, &sv, NULL);
569 sv.sa_handler = SIG_IGN;
570 sigaction(SIGPIPE, &sv, NULL);
571 sv.sa_handler = got_ill;
572 sigaction(SIGILL, &sv, NULL);
573 sv.sa_handler = got_alarm;
574 sigaction(SIGALRM, &sv, NULL);
575 /* initialize variables and stuff */
576 now = time(NULL);
577 chanset = NULL;
578 nowtm = localtime(&now);
579 lastmin = nowtm->tm_min;
580 srandom(now);
581 init_mem();
582 init_language(1);
583 if (argc > 1)
584 for (i = 1; i < argc; i++)
585 do_arg(argv[i]);
586 printf("\n%s\n", version);
587 init_dcc_max();
588 init_userent();
589 init_misc();
590 init_bots();
591 init_net();
592 init_modules();
593 init_tcl();
594 init_language(0);
595 #ifdef STATIC
596 link_statics();
597 #endif
598 context;
599 strcpy(s, ctime(&now));
600 s[strlen(s) - 1] = 0;
601 strcpy(&s[11], &s[20]);
602 putlog(LOG_ALL, "*", "--- Loading %s (%s)", ver, s);
603 chanprog();
604 context;
605 if (encrypt_pass == 0) {
606 printf(MOD_NOCRYPT);
607 exit(1);
608 }
609 i = 0;
610 for (chan = chanset; chan; chan = chan->next)
611 i++;
612 putlog(LOG_ALL, "*", "=== %s: %d channels, %d users.\n",
613 botnetnick, i, count_users(userlist));
614 cache_miss = 0;
615 cache_hit = 0;
616 context;
617 sprintf(pid_file, "pid.%s", botnetnick);
618 context;
619 /* check for pre-existing eggdrop! */
620 f = fopen(pid_file, "r");
621 if (f != NULL) {
622 fgets(s, 10, f);
623 xx = atoi(s);
624 kill(xx, SIGCHLD); /* meaningless kill to determine if pid
625 * is used */
626 if (errno != ESRCH) {
627 printf(EGG_RUNNING1, origbotname);
628 printf(EGG_RUNNING2, pid_file);
629 exit(1);
630 }
631 }
632 context;
633 /* move into background? */
634 if (backgrd) {
635 xx = fork();
636 if (xx == -1)
637 fatal("CANNOT FORK PROCESS.", 0);
638 if (xx != 0) {
639 FILE *fp;
640
641 /* need to attempt to write pid now, not later */
642 unlink(pid_file);
643 fp = fopen(pid_file, "w");
644 if (fp != NULL) {
645 fprintf(fp, "%u\n", xx);
646 if (fflush(fp)) {
647 /* kill bot incase a botchk is run from crond */
648 printf(EGG_NOWRITE, pid_file);
649 printf(" Try freeing some disk space\n");
650 fclose(fp);
651 unlink(pid_file);
652 exit(1);
653 }
654 fclose(fp);
655 } else
656 printf(EGG_NOWRITE, pid_file);
657 printf("Launched into the background (pid: %d)\n\n", xx);
658 #if HAVE_SETPGID
659 setpgid(xx, xx);
660 #endif
661 exit(0);
662 }
663 }
664 use_stderr = 0; /* stop writing to stderr now */
665 xx = getpid();
666 if ((xx != 0) && (!backgrd)) {
667 FILE *fp;
668
669 /* write pid to file */
670 unlink(pid_file);
671 fp = fopen(pid_file, "w");
672 if (fp != NULL) {
673 fprintf(fp, "%u\n", xx);
674 if (fflush(fp)) {
675 /* let the bot live since this doesn't appear to be a botchk */
676 printf(EGG_NOWRITE, pid_file);
677 fclose(fp);
678 unlink(pid_file);
679 }
680 fclose(fp);
681 } else
682 printf(EGG_NOWRITE, pid_file);
683 }
684 if (backgrd) {
685 /* ok, try to disassociate from controlling terminal */
686 /* (finger cross) */
687 #if HAVE_SETPGID
688 setpgid(0, 0);
689 #endif
690 /* close out stdin/out/err */
691 freopen("/dev/null", "r", stdin);
692 freopen("/dev/null", "w", stdout);
693 freopen("/dev/null", "w", stderr);
694 /* tcl wants those file handles kept open */
695 /* close(0); close(1); close(2); */
696 }
697 /* terminal emulating dcc chat */
698 if ((!backgrd) && (term_z)) {
699 int n = new_dcc(&DCC_CHAT, sizeof(struct chat_info));
700
701 dcc[n].addr = iptolong(getmyip());
702 dcc[n].sock = STDOUT;
703 dcc[n].timeval = now;
704 dcc[n].u.chat->con_flags = conmask;
705 dcc[n].u.chat->strip_flags = STRIP_ALL;
706 dcc[n].status = STAT_ECHO;
707 strcpy(dcc[n].nick, "HQ");
708 strcpy(dcc[n].host, "llama@console");
709 dcc[n].user = get_user_by_handle(userlist, "HQ");
710 /* make sure there's an innocuous HQ user if needed */
711 if (!dcc[n].user) {
712 adduser(userlist, "HQ", "none", "-", USER_PARTY);
713 dcc[n].user = get_user_by_handle(userlist, "HQ");
714 }
715 setsock(STDOUT, 0); /* entry in net table */
716 dprintf(n, "\n### ENTERING DCC CHAT SIMULATION ###\n\n");
717 dcc_chatter(n);
718 }
719 then = now;
720 online_since = now;
721 autolink_cycle(NULL); /* hurry and connect to tandem bots */
722 add_help_reference("cmds1.help");
723 add_help_reference("cmds2.help");
724 add_help_reference("core.help");
725 add_hook(HOOK_SECONDLY, core_secondly);
726 add_hook(HOOK_MINUTELY, core_minutely);
727 add_hook(HOOK_HOURLY, core_hourly);
728 add_hook(HOOK_REHASH, event_rehash);
729 add_hook(HOOK_PRE_REHASH, event_prerehash);
730 add_hook(HOOK_USERFILE, event_save);
731 add_hook(HOOK_DAILY, event_logfile);
732
733 debug0("main: entering loop");
734 while (1) {
735 int socket_cleanup = 0;
736
737 context;
738 /* process a single tcl event */
739 Tcl_DoOneEvent(TCL_ALL_EVENTS | TCL_DONT_WAIT);
740 /* lets move some of this here, reducing the numer of actual
741 * calls to periodic_timers */
742 now = time(NULL);
743 random(); /* woop, lets really jumble things */
744 if (now != then) { /* once a second */
745 call_hook(HOOK_SECONDLY);
746 then = now;
747 }
748 context;
749 /* only do this every so often */
750 if (!socket_cleanup) {
751 /* clean up sockets that were just left for dead */
752 for (i = 0; i < dcc_total; i++) {
753 if (dcc[i].type == &DCC_LOST) {
754 dcc[i].type = (struct dcc_table *) (dcc[i].sock);
755 lostdcc(i);
756 i--;
757 }
758 }
759 /* check for server or dcc activity */
760 dequeue_sockets();
761 socket_cleanup = 5;
762 } else
763 socket_cleanup--;
764 /* new net routines: help me mary! */
765 xx = sockgets(buf, &i);
766 if (xx >= 0) { /* non-error */
767 int idx;
768
769 context;
770 for (idx = 0; idx < dcc_total; idx++)
771 if (dcc[idx].sock == xx) {
772 if (dcc[idx].type && dcc[idx].type->activity)
773 dcc[idx].type->activity(idx, buf, i);
774 else
775 putlog(LOG_MISC, "*",
776 "!!! untrapped dcc activity: type %s, sock %d",
777 dcc[idx].type->name, dcc[idx].sock);
778 break;
779 }
780 } else if (xx == -1) { /* EOF from someone */
781 int idx;
782
783 if ((i == STDOUT) && !backgrd)
784 fatal("END OF FILE ON TERMINAL", 0);
785 context;
786 for (idx = 0; idx < dcc_total; idx++)
787 if (dcc[idx].sock == i) {
788 if (dcc[idx].type && dcc[idx].type->eof)
789 dcc[idx].type->eof(idx);
790 else {
791 putlog(LOG_MISC, "*",
792 "*** ATTENTION: DEAD SOCKET (%d) OF TYPE %s UNTRAPPED",
793 xx, dcc[idx].type ? dcc[idx].type->name : "*UNKNOWN*");
794 killsock(xx);
795 lostdcc(idx);
796 }
797 idx = dcc_total + 1;
798 }
799 if (idx == dcc_total) {
800 putlog(LOG_MISC, "*",
801 "(@) EOF socket %d, not a dcc socket, not anything.",
802 xx);
803 close(xx);
804 killsock(xx);
805 }
806 } else if ((xx == -2) && (errno != EINTR)) { /* select() error */
807 context;
808 putlog(LOG_MISC, "*", "* Socket error #%d; recovering.", errno);
809 for (i = 0; i < dcc_total; i++) {
810 if ((fcntl(dcc[i].sock, F_GETFD, 0) == -1) && (errno = EBADF)) {
811 if (dcc[i].type == &DCC_LOST)
812 dcc[i].type = (struct dcc_table *) (dcc[i].sock);
813 putlog(LOG_MISC, "*",
814 "DCC socket %d (type %d, name '%s') expired -- pfft",
815 dcc[i].sock, dcc[i].type, dcc[i].nick);
816 killsock(dcc[i].sock);
817 lostdcc(i);
818 i--;
819 }
820 }
821 } else if (xx == (-3)) {
822 call_hook(HOOK_IDLE);
823 socket_cleanup = 0; /* if we've been idle, cleanup & flush */
824 }
825 if (do_restart) {
826 if (do_restart == -2)
827 rehash();
828 else {
829 /* unload as many modules as possible */
830 int f = 1;
831 module_entry *p;
832 Function x;
833 char xx[256];
834
835 while (f) {
836 f = 0;
837 for (p = module_list; p != NULL; p = p->next) {
838 dependancy *d = dependancy_list;
839 int ok = 1;
840
841 while (ok && d) {
842 if (d->needed == p)
843 ok = 0;
844 d = d->next;
845 }
846 if (ok) {
847 strcpy(xx, p->name);
848 if (module_unload(xx, origbotname) == NULL) {
849 f = 1;
850 break;
851 }
852 }
853 }
854 }
855 p = module_list;
856 if (p && p->next && p->next->next)
857 /* should be only 2 modules now -
858 * blowfish & eggdrop */
859 putlog(LOG_MISC, "*", MOD_STAGNANT);
860 context;
861 flushlogs();
862 context;
863 for (i = 0; i < max_logs; i++) {
864 if (logs[i].f != NULL) {
865 fclose(logs[i].f);
866 nfree(logs[i].filename);
867 nfree(logs[i].chname);
868 logs[i].filename = NULL;
869 logs[i].chname = NULL;
870 logs[i].mask = 0;
871 logs[i].f = NULL;
872 }
873 }
874 context;
875 kill_tcl();
876 init_tcl();
877 init_language(0);
878 x = p->funcs[MODCALL_START];
879 x(0);
880 rehash();
881 restart_chons();
882 }
883 do_restart = 0;
884 }
885 }
886 }

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