/[cvs]/eggdrop1.9/src/main.c
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Revision 1.159 - (hide annotations) (download) (as text)
Wed Dec 17 08:39:48 2003 UTC (15 years, 8 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 wcc 1.156 /* main.c
2 guppy 1.56 *
3     * Copyright (C) 1997 Robey Pointer
4 wcc 1.153 * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Eggheads Development Team
5 guppy 1.56 *
6 fabian 1.14 * 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 guppy 1.56 *
11 segfault 1.1 * 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 guppy 1.56 *
16 segfault 1.1 * 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 fabian 1.14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19     */
20 tothwolf 1.117
21     #ifndef lint
22 wcc 1.159 static const char rcsid[] = "$Id: main.c,v 1.158 2003/12/17 08:12:43 wcc Exp $";
23 wcc 1.156 #endif
24    
25     #if HAVE_CONFIG_H
26     # include <config.h>
27 tothwolf 1.117 #endif
28 segfault 1.1
29 wcc 1.158 #include <eggdrop/eggdrop.h>
30 stdarg 1.151 #include <ctype.h>
31 stdarg 1.145 #include <unistd.h>
32 wcc 1.156 #include <fcntl.h>
33 wcc 1.158 #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 wcc 1.154
44 wcc 1.129 #ifdef TIME_WITH_SYS_TIME
45     # include <sys/time.h>
46     # include <time.h>
47 wcc 1.154 #else
48     # ifdef HAVE_SYS_TIME_H
49     # include <sys/time.h>
50     # else
51     # include <time.h>
52     # endif
53 wcc 1.129 #endif
54 wcc 1.154
55 wcc 1.158
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 ite 1.76
64 wcc 1.154 #ifdef STOP_UAC /* OSF/1 complains a lot */
65     # include <sys/sysinfo.h>
66     # define UAC_NOPRINT 0x00000001 /* Don't report unaligned fixups */
67 segfault 1.1 #endif
68 drummer 1.71
69 poptix 1.62 #ifdef CYGWIN_HACKS
70 wcc 1.154 # include <windows.h>
71 poptix 1.62 #endif
72    
73 segfault 1.1 #ifndef _POSIX_SOURCE
74 wcc 1.154 # define _POSIX_SOURCE 1 /* Solaris needs this */
75 segfault 1.1 #endif
76    
77 wcc 1.154 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 segfault 1.1
91 wcc 1.154 int use_stderr = 1; /* Send stuff to stderr instead of logfiles? */
92 ite 1.109
93 wcc 1.155 char version[81];
94    
95 wcc 1.154 static int lastmin = 99;
96     static struct tm nowtm;
97    
98     void core_party_init();
99     void core_config_init();
100 fabian 1.27
101 fabian 1.44 void fatal(const char *s, int recoverable)
102 segfault 1.1 {
103 wcc 1.157 putlog(LOG_MISC, "*", _("Fatal: %s"), s);
104 wcc 1.154 flushlogs();
105     unlink(pid_file);
106     if (!recoverable) {
107     bg_send_quit(BG_ABORT);
108     exit(1);
109     }
110 segfault 1.1 }
111    
112     static void got_bus(int z)
113     {
114 wcc 1.157 fatal(_("BUS ERROR."), 1);
115 segfault 1.1 #ifdef SA_RESETHAND
116 wcc 1.154 kill(getpid(), SIGBUS);
117 segfault 1.1 #else
118 wcc 1.154 bg_send_quit(BG_ABORT);
119     exit(1);
120 segfault 1.1 #endif
121     }
122    
123     static void got_segv(int z)
124     {
125 wcc 1.157 fatal(_("SEGMENT VIOLATION."), 1);
126 segfault 1.1 #ifdef SA_RESETHAND
127 wcc 1.154 kill(getpid(), SIGSEGV);
128 segfault 1.1 #else
129 wcc 1.154 bg_send_quit(BG_ABORT);
130     exit(1);
131 segfault 1.1 #endif
132     }
133    
134     static void got_fpe(int z)
135     {
136 wcc 1.157 fatal(_("FLOATING POINT ERROR."), 0);
137 segfault 1.1 }
138    
139     static void got_term(int z)
140     {
141 wcc 1.154 eggdrop_event("sigterm");
142     if (core_config.die_on_sigterm) {
143 wcc 1.157 putlog(LOG_MISC, "*", _("Saving user file..."));
144 wcc 1.154 user_save(core_config.userfile);
145 wcc 1.157 putlog(LOG_MISC, "*", _("Saving config file..."));
146 wcc 1.154 core_config_save();
147 wcc 1.157 putlog(LOG_MISC, "*", _("Bot shutting down: received TERMINATE signal."));
148 wcc 1.154 flushlogs();
149     unlink(pid_file);
150     exit(0);
151     }
152 wcc 1.157 else putlog(LOG_MISC, "*", _("Received TERMINATE signal (ignoring)."));
153 segfault 1.1 }
154    
155     static void got_quit(int z)
156     {
157 wcc 1.154 eggdrop_event("sigquit");
158 wcc 1.157 putlog(LOG_MISC, "*", _("Received QUIT signal (ignoring)."));
159 wcc 1.154 return;
160 segfault 1.1 }
161    
162     static void got_hup(int z)
163     {
164 wcc 1.154 eggdrop_event("sighup");
165 wcc 1.157 putlog(LOG_MISC, "*", _("Received HUP signal (ignoring)."));
166 wcc 1.154 return;
167 segfault 1.1 }
168    
169     static void got_ill(int z)
170     {
171 wcc 1.154 eggdrop_event("sigill");
172 wcc 1.157 putlog(LOG_MISC, "*", _("Received ILL signal (ignoring)."));
173 fabian 1.10 }
174    
175 ite 1.114
176 wcc 1.135 static void print_version(void)
177 segfault 1.1 {
178 wcc 1.154 printf("%s\n", version);
179 ite 1.114 }
180    
181 wcc 1.154 static void print_help(const char **argv)
182     {
183     print_version();
184 wcc 1.157 printf(_("\nUsage: %s [OPTIONS]... [FILE]\n"), argv[0]);
185 wcc 1.154 printf(_("\n\
186 ite 1.114 -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 wcc 1.135 FILE optional config filename (default 'config.xml')\n"));
193 wcc 1.154 printf("\n");
194 ite 1.114 }
195 segfault 1.1
196 wcc 1.156 static void do_args(int argc, char *const *argv)
197 ite 1.114 {
198 wcc 1.154 int c;
199 ite 1.114
200 wcc 1.154 optarg = 0;
201     optind = 1;
202     opterr = 1;
203     optopt = '?';
204 ite 1.114
205 wcc 1.154 while (1) {
206     int option_index = 0;
207 ite 1.114
208 wcc 1.154 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 wcc 1.157 fprintf(stderr, _("%s: option unknown: %c\n"), argv[0], c);
253 wcc 1.154 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 segfault 1.1 }
260    
261 fabian 1.34 /* Called once a second.
262 fabian 1.27 */
263 stdarg 1.139 static int core_secondly()
264 segfault 1.1 {
265 wcc 1.154 static int cnt = 0;
266     int miltime;
267 segfault 1.1
268 wcc 1.154 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 wcc 1.157 if (i > 1) putlog(LOG_MISC, "*", _("Warning: timer drift (%d minutes)."), i);
287 segfault 1.1
288 wcc 1.154 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 segfault 1.1 }
303    
304 stdarg 1.140
305 stdarg 1.142 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 segfault 1.1 int main(int argc, char **argv)
318     {
319 wcc 1.154 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 segfault 1.1
326 tothwolf 1.81 #ifdef DEBUG
327 wcc 1.154 {
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 fabian 1.15 #endif
336 fabian 1.32
337 ite 1.99 #ifdef ENABLE_NLS
338 wcc 1.154 setlocale(LC_MESSAGES, "");
339     bindtextdomain(PACKAGE, LOCALEDIR);
340     textdomain(PACKAGE);
341 ite 1.99 #endif
342 wcc 1.143
343 stdarg 1.145 /* Initialize ltdl. */
344     LTDL_SET_PRELOADED_SYMBOLS();
345     if (lt_dlinit()) {
346 wcc 1.157 printf(_("Fatal error initializing ltdl: %s\n"), lt_dlerror());
347 stdarg 1.145 return(-1);
348     }
349    
350 wcc 1.154 snprintf(version, sizeof version, "Eggdrop v%s (C) 1997 Robey Pointer (C) 2004 Eggheads Development Team", VERSION);
351    
352 segfault 1.1 #ifdef STOP_UAC
353 wcc 1.154 {
354     int nvpair[2];
355 segfault 1.1
356 wcc 1.154 nvpair[0] = SSIN_UACPROC;
357     nvpair[1] = UAC_NOPRINT;
358     setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
359     }
360 segfault 1.1 #endif
361 fabian 1.27
362 wcc 1.154 sv.sa_handler = got_bus;
363     sigemptyset(&sv.sa_mask);
364 segfault 1.1 #ifdef SA_RESETHAND
365 wcc 1.154 sv.sa_flags = SA_RESETHAND;
366 segfault 1.1 #else
367 wcc 1.154 sv.sa_flags = 0;
368 segfault 1.1 #endif
369 wcc 1.154 sigaction(SIGBUS, &sv, NULL);
370    
371     sv.sa_handler = got_segv;
372     sigaction(SIGSEGV, &sv, NULL);
373 segfault 1.1 #ifdef SA_RESETHAND
374 wcc 1.154 sv.sa_flags = 0;
375 segfault 1.1 #endif
376 wcc 1.154
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 wcc 1.157 printf(_("WARNING: Do NOT run this DEVELOPMENT version for any purpose other than testing.\n\n"));
405 wcc 1.154
406     if (((int) getuid() == 0) || ((int) geteuid() == 0)) fatal(_("Eggdrop will not run as root!"), 0);
407 stdarg 1.142
408     if (file_check(configfile)) {
409     if (errno) perror(configfile);
410 wcc 1.157 else fprintf(stderr, _("ERROR\n\nCheck file permissions on your config file!\nMake sure other groups and users cannot read/write it.\n"));
411 stdarg 1.142 exit(-1);
412     }
413 guppy 1.53
414 stdarg 1.151 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 wcc 1.157 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 stdarg 1.151 exit(1);
429     }
430    
431 wcc 1.157 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 stdarg 1.151 do {
434 wcc 1.157 printf(_("Enter the owner handle: "));
435 stdarg 1.151 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 wcc 1.157 if (len == 0) printf(_("Come on, enter a real handle.\n\n"));
441 stdarg 1.151 } while (len <= 0);
442     handle[len] = 0;
443     owner = user_new(handle);
444     if (!owner) {
445 wcc 1.157 printf(_("Failed to create user record! Out of memory?\n\n"));
446 stdarg 1.151 exit(1);
447     }
448     user_rand_pass(password, sizeof(password));
449     user_set_pass(owner, password);
450 stdarg 1.152 user_set_flag_str(owner, NULL, "+n");
451 wcc 1.157 printf(_("Your owner handle is '%s' and your password is '%s' (without the quotes).\n\n"), handle, password);
452 stdarg 1.151 memset(password, 0, sizeof(password));
453     str_redup(&core_config.owner, handle);
454     core_config_save();
455     user_save(core_config.userfile);
456     }
457 stdarg 1.80
458 wcc 1.154 if (backgrd) bg_prepare_split();
459 stdarg 1.80
460 wcc 1.154 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 fabian 1.27
478 stdarg 1.151 /* 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 wcc 1.154 if (backgrd) { /* Move into background? */
495 fabian 1.38 #ifndef CYGWIN_HACKS
496 wcc 1.154 bg_do_split();
497     }
498     else {
499 fabian 1.5 #endif
500 wcc 1.154 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 wcc 1.157 printf(_("WARNING: Could not write pid file '%s'.\n"), pid_file);
511 wcc 1.154 fclose(fp);
512     unlink(pid_file);
513     }
514     else fclose(fp);
515     }
516 wcc 1.157 else printf(_("WARNING: Could not write pid file '%s'.\n"), pid_file);
517 fabian 1.38 #ifdef CYGWIN_HACKS
518 wcc 1.157 printf(_("Launched into the background (pid: %d).\n\n"), xx);
519 fabian 1.38 #endif
520 wcc 1.154 }
521     }
522 stdarg 1.151
523 wcc 1.154 use_stderr = 0; /* Stop writing to stderr now */
524 fabian 1.38
525 wcc 1.154 if (backgrd) {
526     /* Try to disassociate from controlling terminal (finger cross) */
527 fabian 1.5 #if HAVE_SETPGID && !defined(CYGWIN_HACKS)
528 wcc 1.154 setpgid(0, 0);
529 segfault 1.1 #endif
530 wcc 1.154 /* 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 poptix 1.62 #ifdef CYGWIN_HACKS
535 wcc 1.154 FreeConsole();
536 poptix 1.62 #endif
537 wcc 1.154 }
538 fabian 1.27
539 wcc 1.154 online_since = now;
540     howlong.sec = 1;
541     howlong.usec = 0;
542     timer_create_repeater(&howlong, "main loop", core_secondly);
543 segfault 1.1
544 wcc 1.154 putlog(LOG_DEBUG, "*", "Entering main loop.");
545 stdarg 1.139 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 wcc 1.154 if (timer_get_shortest(&howlong)) timeout = 1000;
551     else timeout = howlong.sec * 1000 + howlong.usec / 1000;
552 stdarg 1.139 sockbuf_update_all(timeout);
553 stdarg 1.150 garbage_run();
554 stdarg 1.131 }
555 segfault 1.1 }

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