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

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Revision 1.159 - (show annotations) (download) (as text)
Wed Dec 17 08:39:48 2003 UTC (15 years, 7 months ago) by wcc
Branch: MAIN
Changes since 1.158: +1 -4 lines
File MIME type: text/x-chdr
* Removed eggdrop_t stuff since global table is gone.
* Few updates to javascript module.
* More cleanups.

1 /* main.c
2 *
3 * Copyright (C) 1997 Robey Pointer
4 * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Eggheads Development Team
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21 #ifndef lint
22 static const char rcsid[] = "$Id: main.c,v 1.158 2003/12/17 08:12:43 wcc Exp $";
23 #endif
24
25 #if HAVE_CONFIG_H
26 # include <config.h>
27 #endif
28
29 #include <eggdrop/eggdrop.h>
30 #include <ctype.h>
31 #include <unistd.h>
32 #include <fcntl.h>
33 #include <string.h>
34 #include <stdlib.h>
35 #include <sys/stat.h>
36 #include <errno.h>
37 #include <signal.h>
38 #include <netdb.h>
39 #include <setjmp.h>
40 #include <locale.h>
41 #include <ctype.h>
42 #include <ltdl.h>
43
44 #ifdef TIME_WITH_SYS_TIME
45 # include <sys/time.h>
46 # include <time.h>
47 #else
48 # ifdef HAVE_SYS_TIME_H
49 # include <sys/time.h>
50 # else
51 # include <time.h>
52 # endif
53 #endif
54
55
56 #include "lib/compat/compat.h"
57 #include "main.h"
58 #include "debug.h"
59 #include "core_config.h"
60 #include "bg.h"
61 #include "core_binds.h"
62 #include "logfile.h"
63
64 #ifdef STOP_UAC /* OSF/1 complains a lot */
65 # include <sys/sysinfo.h>
66 # define UAC_NOPRINT 0x00000001 /* Don't report unaligned fixups */
67 #endif
68
69 #ifdef CYGWIN_HACKS
70 # include <windows.h>
71 #endif
72
73 #ifndef _POSIX_SOURCE
74 # define _POSIX_SOURCE 1 /* Solaris needs this */
75 #endif
76
77 int backgrd = 1; /* Run in the background? */
78 int con_chan = 0; /* Foreground: constantly display channel stats? */
79 int term_z = 0; /* Foreground: use the terminal as a partyline? */
80 int make_userfile = 0; /* Start bot in make-userfile mode? */
81
82 char configfile[121] = "config.xml"; /* Name of the config file */
83 char helpdir[121] = "help/"; /* Directory of help files (if used) */
84 char textdir[121] = "text/"; /* Directory for text files that get dumped */
85 char pid_file[120]; /* Name of Eggdrop's pid file */
86
87 time_t online_since; /* Time the bot was started */
88 time_t now; /* Current time */
89 egg_timeval_t egg_timeval_now; /* Current time in seconds and microseconds. */
90
91 int use_stderr = 1; /* Send stuff to stderr instead of logfiles? */
92
93 char version[81];
94
95 static int lastmin = 99;
96 static struct tm nowtm;
97
98 void core_party_init();
99 void core_config_init();
100
101 void fatal(const char *s, int recoverable)
102 {
103 putlog(LOG_MISC, "*", _("Fatal: %s"), s);
104 flushlogs();
105 unlink(pid_file);
106 if (!recoverable) {
107 bg_send_quit(BG_ABORT);
108 exit(1);
109 }
110 }
111
112 static void got_bus(int z)
113 {
114 fatal(_("BUS ERROR."), 1);
115 #ifdef SA_RESETHAND
116 kill(getpid(), SIGBUS);
117 #else
118 bg_send_quit(BG_ABORT);
119 exit(1);
120 #endif
121 }
122
123 static void got_segv(int z)
124 {
125 fatal(_("SEGMENT VIOLATION."), 1);
126 #ifdef SA_RESETHAND
127 kill(getpid(), SIGSEGV);
128 #else
129 bg_send_quit(BG_ABORT);
130 exit(1);
131 #endif
132 }
133
134 static void got_fpe(int z)
135 {
136 fatal(_("FLOATING POINT ERROR."), 0);
137 }
138
139 static void got_term(int z)
140 {
141 eggdrop_event("sigterm");
142 if (core_config.die_on_sigterm) {
143 putlog(LOG_MISC, "*", _("Saving user file..."));
144 user_save(core_config.userfile);
145 putlog(LOG_MISC, "*", _("Saving config file..."));
146 core_config_save();
147 putlog(LOG_MISC, "*", _("Bot shutting down: received TERMINATE signal."));
148 flushlogs();
149 unlink(pid_file);
150 exit(0);
151 }
152 else putlog(LOG_MISC, "*", _("Received TERMINATE signal (ignoring)."));
153 }
154
155 static void got_quit(int z)
156 {
157 eggdrop_event("sigquit");
158 putlog(LOG_MISC, "*", _("Received QUIT signal (ignoring)."));
159 return;
160 }
161
162 static void got_hup(int z)
163 {
164 eggdrop_event("sighup");
165 putlog(LOG_MISC, "*", _("Received HUP signal (ignoring)."));
166 return;
167 }
168
169 static void got_ill(int z)
170 {
171 eggdrop_event("sigill");
172 putlog(LOG_MISC, "*", _("Received ILL signal (ignoring)."));
173 }
174
175
176 static void print_version(void)
177 {
178 printf("%s\n", version);
179 }
180
181 static void print_help(const char **argv)
182 {
183 print_version();
184 printf(_("\nUsage: %s [OPTIONS]... [FILE]\n"), argv[0]);
185 printf(_("\n\
186 -h, --help Print help and exit\n\
187 -v, --version Print version and exit\n\
188 -n, --foreground Don't go into the background (default=off)\n\
189 -c --channel-stats (with -n) Display channel stats every 10 seconds\n\
190 -t --terminal (with -n) Use terminal to simulate dcc-chat\n\
191 -m --make-userfile Userfile creation mode\n\
192 FILE optional config filename (default 'config.xml')\n"));
193 printf("\n");
194 }
195
196 static void do_args(int argc, char *const *argv)
197 {
198 int c;
199
200 optarg = 0;
201 optind = 1;
202 opterr = 1;
203 optopt = '?';
204
205 while (1) {
206 int option_index = 0;
207
208 static struct option long_options[] = {
209 {"help", 0, NULL, 'h'},
210 {"version", 0, NULL, 'v'},
211 {"load-module", 1, NULL, 'p'},
212 {"foreground", 0, NULL, 'n'},
213 {"channel-stats", 0, NULL, 'c'},
214 {"terminal", 0, NULL, 't'},
215 {"make-userfile", 0, NULL, 'm'},
216 {NULL, 0, NULL, 0}
217 };
218
219 c = getopt_long(argc, argv, "hvp:nctm", long_options, &option_index);
220 if (c == -1) break;
221 switch (c) {
222 case 'n':
223 backgrd = 0;
224 break;
225 case 'c':
226 con_chan = 1;
227 term_z = 0;
228 break;
229 case 't':
230 con_chan = 0;
231 term_z = 1;
232 break;
233 case 'm':
234 make_userfile = 1;
235 break;
236 case 'v':
237 print_version();
238 bg_send_quit(BG_ABORT);
239 exit(0);
240 break; /* this should never be reached */
241 case 'h':
242 print_help(argv);
243 bg_send_quit(BG_ABORT);
244 exit(0);
245 break; /* this should never be reached */
246 case 0: /* Long option with no short option */
247 case '?': /* Invalid option. */
248 /* getopt_long() already printed an error message. */
249 bg_send_quit(BG_ABORT);
250 exit(1);
251 default: /* bug: option not considered. */
252 fprintf(stderr, _("%s: option unknown: %c\n"), argv[0], c);
253 bg_send_quit(BG_ABORT);
254 exit(1);
255 break; /* this should never be reached */
256 }
257 }
258 if (optind < argc) strlcpy(configfile, argv[optind], sizeof configfile);
259 }
260
261 /* Called once a second.
262 */
263 static int core_secondly()
264 {
265 static int cnt = 0;
266 int miltime;
267
268 check_bind_secondly();
269 cnt++;
270 memcpy(&nowtm, localtime(&now), sizeof(struct tm));
271 if (nowtm.tm_min != lastmin) {
272 int i = 0;
273
274 /* Once a minute */
275 lastmin = (lastmin + 1) % 60;
276 eggdrop_event("minutely");
277 check_bind_time(&nowtm);
278 /* In case for some reason more than 1 min has passed: */
279 while (nowtm.tm_min != lastmin) {
280 /* Timer drift, dammit */
281 putlog(LOG_DEBUG, "*", "timer: drift (lastmin=%d, now=%d)", lastmin, nowtm.tm_min);
282 i++;
283 lastmin = (lastmin + 1) % 60;
284 eggdrop_event("minutely");
285 }
286 if (i > 1) putlog(LOG_MISC, "*", _("Warning: timer drift (%d minutes)."), i);
287
288 miltime = (nowtm.tm_hour * 100) + (nowtm.tm_min);
289 if (((int) (nowtm.tm_min / 5) * 5) == (nowtm.tm_min)) { /* 5 minutes */
290 eggdrop_event("5minutely");
291 if (!miltime) { /* At midnight */
292 char s[25];
293
294 strlcpy(s, ctime(&now), sizeof s);
295 putlog(LOG_ALL, "*", "--- %.11s%s", s, s + 20);
296 eggdrop_event("backup");
297 eggdrop_event("daily");
298 }
299 }
300 }
301 return(0);
302 }
303
304
305 int file_check(const char *filename)
306 {
307 struct stat sbuf = {0};
308 int r;
309
310 r = stat(filename, &sbuf);
311 if (r) return(-1);
312 errno = 0;
313 if (sbuf.st_mode & (S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) return(-1);
314 return(0);
315 }
316
317 int main(int argc, char **argv)
318 {
319 int xx, i, timeout;
320 char s[25], *modname, *scriptname;
321 FILE *f;
322 struct sigaction sv;
323 egg_timeval_t howlong;
324 void *config_root, *entry;
325
326 #ifdef DEBUG
327 {
328 # include <sys/resource.h>
329 struct rlimit cdlim;
330
331 cdlim.rlim_cur = RLIM_INFINITY;
332 cdlim.rlim_max = RLIM_INFINITY;
333 setrlimit(RLIMIT_CORE, &cdlim);
334 }
335 #endif
336
337 #ifdef ENABLE_NLS
338 setlocale(LC_MESSAGES, "");
339 bindtextdomain(PACKAGE, LOCALEDIR);
340 textdomain(PACKAGE);
341 #endif
342
343 /* Initialize ltdl. */
344 LTDL_SET_PRELOADED_SYMBOLS();
345 if (lt_dlinit()) {
346 printf(_("Fatal error initializing ltdl: %s\n"), lt_dlerror());
347 return(-1);
348 }
349
350 snprintf(version, sizeof version, "Eggdrop v%s (C) 1997 Robey Pointer (C) 2004 Eggheads Development Team", VERSION);
351
352 #ifdef STOP_UAC
353 {
354 int nvpair[2];
355
356 nvpair[0] = SSIN_UACPROC;
357 nvpair[1] = UAC_NOPRINT;
358 setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
359 }
360 #endif
361
362 sv.sa_handler = got_bus;
363 sigemptyset(&sv.sa_mask);
364 #ifdef SA_RESETHAND
365 sv.sa_flags = SA_RESETHAND;
366 #else
367 sv.sa_flags = 0;
368 #endif
369 sigaction(SIGBUS, &sv, NULL);
370
371 sv.sa_handler = got_segv;
372 sigaction(SIGSEGV, &sv, NULL);
373 #ifdef SA_RESETHAND
374 sv.sa_flags = 0;
375 #endif
376
377 sv.sa_handler = got_fpe;
378 sigaction(SIGFPE, &sv, NULL);
379
380 sv.sa_handler = got_term;
381 sigaction(SIGTERM, &sv, NULL);
382
383 sv.sa_handler = got_hup;
384 sigaction(SIGHUP, &sv, NULL);
385
386 sv.sa_handler = got_quit;
387 sigaction(SIGQUIT, &sv, NULL);
388
389 sv.sa_handler = SIG_IGN;
390 sigaction(SIGPIPE, &sv, NULL);
391
392 sv.sa_handler = got_ill;
393 sigaction(SIGILL, &sv, NULL);
394
395 timer_update_now(&egg_timeval_now);
396 now = egg_timeval_now.sec;
397 memcpy(&nowtm, localtime(&now), sizeof(struct tm));
398 lastmin = nowtm.tm_min;
399
400 srandom(now % (getpid() + getppid()));
401
402 do_args(argc, argv);
403 printf("\n%s\n", version);
404 printf(_("WARNING: Do NOT run this DEVELOPMENT version for any purpose other than testing.\n\n"));
405
406 if (((int) getuid() == 0) || ((int) geteuid() == 0)) fatal(_("Eggdrop will not run as root!"), 0);
407
408 if (file_check(configfile)) {
409 if (errno) perror(configfile);
410 else fprintf(stderr, _("ERROR\n\nCheck file permissions on your config file!\nMake sure other groups and users cannot read/write it.\n"));
411 exit(-1);
412 }
413
414 eggdrop_init();
415 core_config_init(configfile);
416 logfile_init();
417 if (core_config.userfile) user_load(core_config.userfile);
418 core_party_init();
419 core_binds_init();
420
421 if (make_userfile) {
422 user_t *owner;
423 char handle[512], password[12];
424 int len;
425
426 if (user_count() != 0) {
427 printf(_("\n\n\nYou are trying to create a new userfile, but the old one still exists (%s)!\n\nPlease remove the userfile, or do not pass the -m option.\n\n"), core_config.userfile);
428 exit(1);
429 }
430
431 printf(_("\n\n\nHello! I see you are creating a new userfile.\n\n"));
432 printf(_("Let's create the owner account.\n\n"));
433 do {
434 printf(_("Enter the owner handle: "));
435 fflush(stdout);
436 fgets(handle, sizeof(handle), stdin);
437 for (len = 0; handle[len]; len++) {
438 if (!ispunct(handle[len]) && !isalnum(handle[len])) break;
439 }
440 if (len == 0) printf(_("Come on, enter a real handle.\n\n"));
441 } while (len <= 0);
442 handle[len] = 0;
443 owner = user_new(handle);
444 if (!owner) {
445 printf(_("Failed to create user record! Out of memory?\n\n"));
446 exit(1);
447 }
448 user_rand_pass(password, sizeof(password));
449 user_set_pass(owner, password);
450 user_set_flag_str(owner, NULL, "+n");
451 printf(_("Your owner handle is '%s' and your password is '%s' (without the quotes).\n\n"), handle, password);
452 memset(password, 0, sizeof(password));
453 str_redup(&core_config.owner, handle);
454 core_config_save();
455 user_save(core_config.userfile);
456 }
457
458 if (backgrd) bg_prepare_split();
459
460 strlcpy(s, ctime(&now), sizeof s);
461 strcpy(&s[11], &s[20]);
462 putlog(LOG_ALL, "*", "Loading Eggdrop %s (%s)", VERSION, s);
463 snprintf(pid_file, sizeof pid_file, "pid.%s", core_config.botname);
464
465 f = fopen(pid_file, "r");
466 if (f != NULL) {
467 fgets(s, 10, f);
468 xx = atoi(s);
469 kill(xx, SIGCHLD); /* Meaningless kill to determine if pid is used */
470 if (errno != ESRCH) {
471 printf(_("I detect %s already running from this directory.\n"), core_config.botname);
472 printf(_("If this is incorrect, please erase '%s'.\n"), pid_file);
473 bg_send_quit(BG_ABORT);
474 exit(1);
475 }
476 }
477
478 /* Put the module directory in the ltdl search path. */
479 if (core_config.module_path) module_add_dir(core_config.module_path);
480
481 /* Scan the autoload section of config. */
482 config_root = config_get_root("eggdrop");
483 for (i = 0; (entry = config_exists(config_root, "eggdrop", 0, "autoload", 0, "module", i, NULL)); i++) {
484 modname = NULL;
485 config_get_str(&modname, entry, NULL);
486 module_load(modname);
487 }
488 for (i = 0; (entry = config_exists(config_root, "eggdrop", 0, "autoload", 0, "script", i, NULL)); i++) {
489 scriptname = NULL;
490 config_get_str(&scriptname, entry, NULL);
491 script_load(scriptname);
492 }
493
494 if (backgrd) { /* Move into background? */
495 #ifndef CYGWIN_HACKS
496 bg_do_split();
497 }
498 else {
499 #endif
500 xx = getpid();
501 if (xx != 0) {
502 FILE *fp;
503
504 unlink(pid_file);
505 fp = fopen(pid_file, "w");
506 if (fp != NULL) {
507 fprintf(fp, "%u\n", xx);
508 if (fflush(fp)) {
509 /* Let the bot live since this doesn't appear to be a botchk */
510 printf(_("WARNING: Could not write pid file '%s'.\n"), pid_file);
511 fclose(fp);
512 unlink(pid_file);
513 }
514 else fclose(fp);
515 }
516 else printf(_("WARNING: Could not write pid file '%s'.\n"), pid_file);
517 #ifdef CYGWIN_HACKS
518 printf(_("Launched into the background (pid: %d).\n\n"), xx);
519 #endif
520 }
521 }
522
523 use_stderr = 0; /* Stop writing to stderr now */
524
525 if (backgrd) {
526 /* Try to disassociate from controlling terminal (finger cross) */
527 #if HAVE_SETPGID && !defined(CYGWIN_HACKS)
528 setpgid(0, 0);
529 #endif
530 /* Tcl wants the stdin, stdout and stderr file handles kept open. */
531 freopen("/dev/null", "r", stdin);
532 freopen("/dev/null", "w", stdout);
533 freopen("/dev/null", "w", stderr);
534 #ifdef CYGWIN_HACKS
535 FreeConsole();
536 #endif
537 }
538
539 online_since = now;
540 howlong.sec = 1;
541 howlong.usec = 0;
542 timer_create_repeater(&howlong, "main loop", core_secondly);
543
544 putlog(LOG_DEBUG, "*", "Entering main loop.");
545 while (1) {
546 timer_update_now(&egg_timeval_now);
547 now = egg_timeval_now.sec;
548 random(); /* Woop, lets really jumble things */
549 timer_run();
550 if (timer_get_shortest(&howlong)) timeout = 1000;
551 else timeout = howlong.sec * 1000 + howlong.usec / 1000;
552 sockbuf_update_all(timeout);
553 garbage_run();
554 }
555 }

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