/[cvs]/eggdrop1.9/src/main.c
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Revision 1.162 - (hide annotations) (download) (as text)
Thu Dec 18 07:18:48 2003 UTC (15 years, 7 months ago) by wcc
Branch: MAIN
Changes since 1.161: +2 -2 lines
File MIME type: text/x-chdr
* Misc stuff.

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 1.162 static const char rcsid[] = "$Id: main.c,v 1.161 2003/12/18 06:50:47 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 1.161 #include <eggdrop/stat.h>
45    
46 wcc 1.129 #ifdef TIME_WITH_SYS_TIME
47     # include <sys/time.h>
48     # include <time.h>
49 wcc 1.154 #else
50     # ifdef HAVE_SYS_TIME_H
51     # include <sys/time.h>
52     # else
53     # include <time.h>
54     # endif
55 wcc 1.129 #endif
56 wcc 1.154
57 wcc 1.158 #include "lib/compat/compat.h"
58     #include "main.h"
59     #include "debug.h"
60     #include "core_config.h"
61     #include "bg.h"
62     #include "core_binds.h"
63     #include "logfile.h"
64 ite 1.76
65 wcc 1.154 #ifdef STOP_UAC /* OSF/1 complains a lot */
66     # include <sys/sysinfo.h>
67     # define UAC_NOPRINT 0x00000001 /* Don't report unaligned fixups */
68 segfault 1.1 #endif
69 drummer 1.71
70 poptix 1.62 #ifdef CYGWIN_HACKS
71 wcc 1.154 # include <windows.h>
72 poptix 1.62 #endif
73    
74 segfault 1.1 #ifndef _POSIX_SOURCE
75 wcc 1.154 # define _POSIX_SOURCE 1 /* Solaris needs this */
76 segfault 1.1 #endif
77    
78 wcc 1.154 int backgrd = 1; /* Run in the background? */
79     int con_chan = 0; /* Foreground: constantly display channel stats? */
80     int term_z = 0; /* Foreground: use the terminal as a partyline? */
81     int make_userfile = 0; /* Start bot in make-userfile mode? */
82    
83     char configfile[121] = "config.xml"; /* Name of the config file */
84     char helpdir[121] = "help/"; /* Directory of help files (if used) */
85     char textdir[121] = "text/"; /* Directory for text files that get dumped */
86     char pid_file[120]; /* Name of Eggdrop's pid file */
87    
88     time_t online_since; /* Time the bot was started */
89     time_t now; /* Current time */
90     egg_timeval_t egg_timeval_now; /* Current time in seconds and microseconds. */
91 segfault 1.1
92 wcc 1.154 int use_stderr = 1; /* Send stuff to stderr instead of logfiles? */
93 ite 1.109
94 wcc 1.155 char version[81];
95    
96 wcc 1.154 static int lastmin = 99;
97     static struct tm nowtm;
98    
99     void core_party_init();
100     void core_config_init();
101 fabian 1.27
102 fabian 1.44 void fatal(const char *s, int recoverable)
103 segfault 1.1 {
104 wcc 1.160 putlog(LOG_MISC, "*", "Fatal: %s", s);
105 wcc 1.154 flushlogs();
106     unlink(pid_file);
107     if (!recoverable) {
108     bg_send_quit(BG_ABORT);
109     exit(1);
110     }
111 segfault 1.1 }
112    
113     static void got_bus(int z)
114     {
115 wcc 1.160 fatal("BUS ERROR.", 1);
116 segfault 1.1 #ifdef SA_RESETHAND
117 wcc 1.154 kill(getpid(), SIGBUS);
118 segfault 1.1 #else
119 wcc 1.154 bg_send_quit(BG_ABORT);
120     exit(1);
121 segfault 1.1 #endif
122     }
123    
124     static void got_segv(int z)
125     {
126 wcc 1.160 fatal("SEGMENT VIOLATION.", 1);
127 segfault 1.1 #ifdef SA_RESETHAND
128 wcc 1.154 kill(getpid(), SIGSEGV);
129 segfault 1.1 #else
130 wcc 1.154 bg_send_quit(BG_ABORT);
131     exit(1);
132 segfault 1.1 #endif
133     }
134    
135     static void got_fpe(int z)
136     {
137 wcc 1.160 fatal("FLOATING POINT ERROR.", 0);
138 segfault 1.1 }
139    
140     static void got_term(int z)
141     {
142 wcc 1.154 eggdrop_event("sigterm");
143     if (core_config.die_on_sigterm) {
144 wcc 1.157 putlog(LOG_MISC, "*", _("Saving user file..."));
145 wcc 1.154 user_save(core_config.userfile);
146 wcc 1.157 putlog(LOG_MISC, "*", _("Saving config file..."));
147 wcc 1.154 core_config_save();
148 wcc 1.157 putlog(LOG_MISC, "*", _("Bot shutting down: received TERMINATE signal."));
149 wcc 1.154 flushlogs();
150     unlink(pid_file);
151     exit(0);
152     }
153 wcc 1.157 else putlog(LOG_MISC, "*", _("Received TERMINATE signal (ignoring)."));
154 segfault 1.1 }
155    
156     static void got_quit(int z)
157     {
158 wcc 1.154 eggdrop_event("sigquit");
159 wcc 1.157 putlog(LOG_MISC, "*", _("Received QUIT signal (ignoring)."));
160 wcc 1.154 return;
161 segfault 1.1 }
162    
163     static void got_hup(int z)
164     {
165 wcc 1.154 eggdrop_event("sighup");
166 wcc 1.157 putlog(LOG_MISC, "*", _("Received HUP signal (ignoring)."));
167 wcc 1.154 return;
168 segfault 1.1 }
169    
170     static void got_ill(int z)
171     {
172 wcc 1.154 eggdrop_event("sigill");
173 wcc 1.157 putlog(LOG_MISC, "*", _("Received ILL signal (ignoring)."));
174 fabian 1.10 }
175    
176 ite 1.114
177 wcc 1.135 static void print_version(void)
178 segfault 1.1 {
179 wcc 1.154 printf("%s\n", version);
180 ite 1.114 }
181    
182 wcc 1.162 static void print_help(const *char *argv)
183 wcc 1.154 {
184     print_version();
185 wcc 1.157 printf(_("\nUsage: %s [OPTIONS]... [FILE]\n"), argv[0]);
186 wcc 1.154 printf(_("\n\
187 ite 1.114 -h, --help Print help and exit\n\
188     -v, --version Print version and exit\n\
189     -n, --foreground Don't go into the background (default=off)\n\
190     -c --channel-stats (with -n) Display channel stats every 10 seconds\n\
191     -t --terminal (with -n) Use terminal to simulate dcc-chat\n\
192     -m --make-userfile Userfile creation mode\n\
193 wcc 1.135 FILE optional config filename (default 'config.xml')\n"));
194 wcc 1.154 printf("\n");
195 ite 1.114 }
196 segfault 1.1
197 wcc 1.156 static void do_args(int argc, char *const *argv)
198 ite 1.114 {
199 wcc 1.154 int c;
200 ite 1.114
201 wcc 1.154 optarg = 0;
202     optind = 1;
203     opterr = 1;
204     optopt = '?';
205 ite 1.114
206 wcc 1.154 while (1) {
207     int option_index = 0;
208 ite 1.114
209 wcc 1.154 static struct option long_options[] = {
210     {"help", 0, NULL, 'h'},
211     {"version", 0, NULL, 'v'},
212     {"load-module", 1, NULL, 'p'},
213     {"foreground", 0, NULL, 'n'},
214     {"channel-stats", 0, NULL, 'c'},
215     {"terminal", 0, NULL, 't'},
216     {"make-userfile", 0, NULL, 'm'},
217     {NULL, 0, NULL, 0}
218     };
219    
220     c = getopt_long(argc, argv, "hvp:nctm", long_options, &option_index);
221     if (c == -1) break;
222     switch (c) {
223     case 'n':
224     backgrd = 0;
225     break;
226     case 'c':
227     con_chan = 1;
228     term_z = 0;
229     break;
230     case 't':
231     con_chan = 0;
232     term_z = 1;
233     break;
234     case 'm':
235     make_userfile = 1;
236     break;
237     case 'v':
238     print_version();
239     bg_send_quit(BG_ABORT);
240     exit(0);
241     break; /* this should never be reached */
242     case 'h':
243     print_help(argv);
244     bg_send_quit(BG_ABORT);
245     exit(0);
246     break; /* this should never be reached */
247     case 0: /* Long option with no short option */
248     case '?': /* Invalid option. */
249     /* getopt_long() already printed an error message. */
250     bg_send_quit(BG_ABORT);
251     exit(1);
252     default: /* bug: option not considered. */
253 wcc 1.157 fprintf(stderr, _("%s: option unknown: %c\n"), argv[0], c);
254 wcc 1.154 bg_send_quit(BG_ABORT);
255     exit(1);
256     break; /* this should never be reached */
257     }
258     }
259     if (optind < argc) strlcpy(configfile, argv[optind], sizeof configfile);
260 segfault 1.1 }
261    
262 fabian 1.34 /* Called once a second.
263 fabian 1.27 */
264 stdarg 1.139 static int core_secondly()
265 segfault 1.1 {
266 wcc 1.154 static int cnt = 0;
267     int miltime;
268 segfault 1.1
269 wcc 1.154 check_bind_secondly();
270     cnt++;
271     memcpy(&nowtm, localtime(&now), sizeof(struct tm));
272     if (nowtm.tm_min != lastmin) {
273     int i = 0;
274    
275     /* Once a minute */
276     lastmin = (lastmin + 1) % 60;
277     eggdrop_event("minutely");
278     check_bind_time(&nowtm);
279     /* In case for some reason more than 1 min has passed: */
280     while (nowtm.tm_min != lastmin) {
281     /* Timer drift, dammit */
282     putlog(LOG_DEBUG, "*", "timer: drift (lastmin=%d, now=%d)", lastmin, nowtm.tm_min);
283     i++;
284     lastmin = (lastmin + 1) % 60;
285     eggdrop_event("minutely");
286     }
287 wcc 1.157 if (i > 1) putlog(LOG_MISC, "*", _("Warning: timer drift (%d minutes)."), i);
288 segfault 1.1
289 wcc 1.154 miltime = (nowtm.tm_hour * 100) + (nowtm.tm_min);
290     if (((int) (nowtm.tm_min / 5) * 5) == (nowtm.tm_min)) { /* 5 minutes */
291     eggdrop_event("5minutely");
292     if (!miltime) { /* At midnight */
293     char s[25];
294    
295     strlcpy(s, ctime(&now), sizeof s);
296     putlog(LOG_ALL, "*", "--- %.11s%s", s, s + 20);
297     eggdrop_event("backup");
298     eggdrop_event("daily");
299     }
300     }
301     }
302     return(0);
303 segfault 1.1 }
304    
305 stdarg 1.140
306 stdarg 1.142 int file_check(const char *filename)
307     {
308     struct stat sbuf = {0};
309     int r;
310    
311     r = stat(filename, &sbuf);
312     if (r) return(-1);
313     errno = 0;
314     if (sbuf.st_mode & (S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) return(-1);
315     return(0);
316     }
317    
318 segfault 1.1 int main(int argc, char **argv)
319     {
320 wcc 1.154 int xx, i, timeout;
321     char s[25], *modname, *scriptname;
322     FILE *f;
323     struct sigaction sv;
324     egg_timeval_t howlong;
325     void *config_root, *entry;
326 segfault 1.1
327 tothwolf 1.81 #ifdef DEBUG
328 wcc 1.154 {
329     # include <sys/resource.h>
330     struct rlimit cdlim;
331    
332     cdlim.rlim_cur = RLIM_INFINITY;
333     cdlim.rlim_max = RLIM_INFINITY;
334     setrlimit(RLIMIT_CORE, &cdlim);
335     }
336 fabian 1.15 #endif
337 fabian 1.32
338 ite 1.99 #ifdef ENABLE_NLS
339 wcc 1.154 setlocale(LC_MESSAGES, "");
340     bindtextdomain(PACKAGE, LOCALEDIR);
341     textdomain(PACKAGE);
342 ite 1.99 #endif
343 wcc 1.143
344 stdarg 1.145 /* Initialize ltdl. */
345     LTDL_SET_PRELOADED_SYMBOLS();
346     if (lt_dlinit()) {
347 wcc 1.160 printf("Fatal error initializing ltdl: %s\n", lt_dlerror());
348 stdarg 1.145 return(-1);
349     }
350    
351 wcc 1.154 snprintf(version, sizeof version, "Eggdrop v%s (C) 1997 Robey Pointer (C) 2004 Eggheads Development Team", VERSION);
352    
353 segfault 1.1 #ifdef STOP_UAC
354 wcc 1.154 {
355     int nvpair[2];
356 segfault 1.1
357 wcc 1.154 nvpair[0] = SSIN_UACPROC;
358     nvpair[1] = UAC_NOPRINT;
359     setsysinfo(SSI_NVPAIRS, (char *) nvpair, 1, NULL, 0);
360     }
361 segfault 1.1 #endif
362 fabian 1.27
363 wcc 1.154 sv.sa_handler = got_bus;
364     sigemptyset(&sv.sa_mask);
365 segfault 1.1 #ifdef SA_RESETHAND
366 wcc 1.154 sv.sa_flags = SA_RESETHAND;
367 segfault 1.1 #else
368 wcc 1.154 sv.sa_flags = 0;
369 segfault 1.1 #endif
370 wcc 1.154 sigaction(SIGBUS, &sv, NULL);
371    
372     sv.sa_handler = got_segv;
373     sigaction(SIGSEGV, &sv, NULL);
374 segfault 1.1 #ifdef SA_RESETHAND
375 wcc 1.154 sv.sa_flags = 0;
376 segfault 1.1 #endif
377 wcc 1.154
378     sv.sa_handler = got_fpe;
379     sigaction(SIGFPE, &sv, NULL);
380    
381     sv.sa_handler = got_term;
382     sigaction(SIGTERM, &sv, NULL);
383    
384     sv.sa_handler = got_hup;
385     sigaction(SIGHUP, &sv, NULL);
386    
387     sv.sa_handler = got_quit;
388     sigaction(SIGQUIT, &sv, NULL);
389    
390     sv.sa_handler = SIG_IGN;
391     sigaction(SIGPIPE, &sv, NULL);
392    
393     sv.sa_handler = got_ill;
394     sigaction(SIGILL, &sv, NULL);
395    
396     timer_update_now(&egg_timeval_now);
397     now = egg_timeval_now.sec;
398     memcpy(&nowtm, localtime(&now), sizeof(struct tm));
399     lastmin = nowtm.tm_min;
400    
401     srandom(now % (getpid() + getppid()));
402    
403     do_args(argc, argv);
404     printf("\n%s\n", version);
405 wcc 1.160 printf("WARNING: Do NOT run this DEVELOPMENT version for any purpose other than testing.\n\n");
406 wcc 1.154
407 wcc 1.160 if (((int) getuid() == 0) || ((int) geteuid() == 0)) fatal("Eggdrop will not run as root!", 0);
408 stdarg 1.142
409     if (file_check(configfile)) {
410     if (errno) perror(configfile);
411 wcc 1.160 else fprintf(stderr, "ERROR\n\nCheck file permissions on your config file!\nMake sure other groups and users cannot read/write it.\n");
412 stdarg 1.142 exit(-1);
413     }
414 guppy 1.53
415 stdarg 1.151 eggdrop_init();
416     core_config_init(configfile);
417     logfile_init();
418     if (core_config.userfile) user_load(core_config.userfile);
419     core_party_init();
420     core_binds_init();
421    
422     if (make_userfile) {
423     user_t *owner;
424     char handle[512], password[12];
425     int len;
426    
427     if (user_count() != 0) {
428 wcc 1.160 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);
429 stdarg 1.151 exit(1);
430     }
431    
432 wcc 1.160 printf("\n\n\nHello! I see you are creating a new userfile.\n\n");
433     printf("Let's create the owner account.\n\n");
434 stdarg 1.151 do {
435 wcc 1.160 printf("Enter the owner handle: ");
436 stdarg 1.151 fflush(stdout);
437     fgets(handle, sizeof(handle), stdin);
438     for (len = 0; handle[len]; len++) {
439     if (!ispunct(handle[len]) && !isalnum(handle[len])) break;
440     }
441 wcc 1.160 if (len == 0) printf("Come on, enter a real handle.\n\n");
442 stdarg 1.151 } while (len <= 0);
443     handle[len] = 0;
444     owner = user_new(handle);
445     if (!owner) {
446 wcc 1.160 printf("Failed to create user record! Out of memory?\n\n");
447 stdarg 1.151 exit(1);
448     }
449     user_rand_pass(password, sizeof(password));
450     user_set_pass(owner, password);
451 stdarg 1.152 user_set_flag_str(owner, NULL, "+n");
452 wcc 1.160 printf("Your owner handle is '%s' and your password is '%s' (without the quotes).\n\n", handle, password);
453 stdarg 1.151 memset(password, 0, sizeof(password));
454     str_redup(&core_config.owner, handle);
455     core_config_save();
456     user_save(core_config.userfile);
457     }
458 stdarg 1.80
459 wcc 1.154 if (backgrd) bg_prepare_split();
460 stdarg 1.80
461 wcc 1.154 strlcpy(s, ctime(&now), sizeof s);
462     strcpy(&s[11], &s[20]);
463     putlog(LOG_ALL, "*", "Loading Eggdrop %s (%s)", VERSION, s);
464     snprintf(pid_file, sizeof pid_file, "pid.%s", core_config.botname);
465    
466     f = fopen(pid_file, "r");
467     if (f != NULL) {
468     fgets(s, 10, f);
469     xx = atoi(s);
470     kill(xx, SIGCHLD); /* Meaningless kill to determine if pid is used */
471     if (errno != ESRCH) {
472 wcc 1.160 printf("I detect %s already running from this directory.\n", core_config.botname);
473     printf("If this is incorrect, please erase '%s'.\n", pid_file);
474 wcc 1.154 bg_send_quit(BG_ABORT);
475     exit(1);
476     }
477     }
478 fabian 1.27
479 stdarg 1.151 /* Put the module directory in the ltdl search path. */
480     if (core_config.module_path) module_add_dir(core_config.module_path);
481    
482     /* Scan the autoload section of config. */
483     config_root = config_get_root("eggdrop");
484     for (i = 0; (entry = config_exists(config_root, "eggdrop", 0, "autoload", 0, "module", i, NULL)); i++) {
485     modname = NULL;
486     config_get_str(&modname, entry, NULL);
487     module_load(modname);
488     }
489     for (i = 0; (entry = config_exists(config_root, "eggdrop", 0, "autoload", 0, "script", i, NULL)); i++) {
490     scriptname = NULL;
491     config_get_str(&scriptname, entry, NULL);
492     script_load(scriptname);
493     }
494    
495 wcc 1.154 if (backgrd) { /* Move into background? */
496 fabian 1.38 #ifndef CYGWIN_HACKS
497 wcc 1.154 bg_do_split();
498     }
499     else {
500 fabian 1.5 #endif
501 wcc 1.154 xx = getpid();
502     if (xx != 0) {
503     FILE *fp;
504    
505     unlink(pid_file);
506     fp = fopen(pid_file, "w");
507     if (fp != NULL) {
508     fprintf(fp, "%u\n", xx);
509     if (fflush(fp)) {
510     /* Let the bot live since this doesn't appear to be a botchk */
511 wcc 1.160 printf("WARNING: Could not write pid file '%s'.\n", pid_file);
512 wcc 1.154 fclose(fp);
513     unlink(pid_file);
514     }
515     else fclose(fp);
516     }
517 wcc 1.160 else printf("WARNING: Could not write pid file '%s'.\n", pid_file);
518 fabian 1.38 #ifdef CYGWIN_HACKS
519 wcc 1.160 printf("Launched into the background (pid: %d).\n\n", xx);
520 fabian 1.38 #endif
521 wcc 1.154 }
522     }
523 stdarg 1.151
524 wcc 1.154 use_stderr = 0; /* Stop writing to stderr now */
525 fabian 1.38
526 wcc 1.154 if (backgrd) {
527     /* Try to disassociate from controlling terminal (finger cross) */
528 fabian 1.5 #if HAVE_SETPGID && !defined(CYGWIN_HACKS)
529 wcc 1.154 setpgid(0, 0);
530 segfault 1.1 #endif
531 wcc 1.154 /* Tcl wants the stdin, stdout and stderr file handles kept open. */
532     freopen("/dev/null", "r", stdin);
533     freopen("/dev/null", "w", stdout);
534     freopen("/dev/null", "w", stderr);
535 poptix 1.62 #ifdef CYGWIN_HACKS
536 wcc 1.154 FreeConsole();
537 poptix 1.62 #endif
538 wcc 1.154 }
539 fabian 1.27
540 wcc 1.154 online_since = now;
541     howlong.sec = 1;
542     howlong.usec = 0;
543     timer_create_repeater(&howlong, "main loop", core_secondly);
544 segfault 1.1
545 wcc 1.154 putlog(LOG_DEBUG, "*", "Entering main loop.");
546 stdarg 1.139 while (1) {
547     timer_update_now(&egg_timeval_now);
548     now = egg_timeval_now.sec;
549     random(); /* Woop, lets really jumble things */
550     timer_run();
551 wcc 1.154 if (timer_get_shortest(&howlong)) timeout = 1000;
552     else timeout = howlong.sec * 1000 + howlong.usec / 1000;
553 stdarg 1.139 sockbuf_update_all(timeout);
554 stdarg 1.150 garbage_run();
555 stdarg 1.131 }
556 segfault 1.1 }

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