/[svn]/ircd-hybrid/trunk/modules/m_info.c
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Contents of /ircd-hybrid/trunk/modules/m_info.c

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Revision 1754 - (show annotations)
Thu Jan 17 19:02:28 2013 UTC (7 years, 5 months ago) by michael
File MIME type: text/x-chdr
File size: 18297 byte(s)
- Values of max_clients, max_nick_length, and max_topic_length are
  now shown in /info

1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_info.c: Sends information about the server.
4 *
5 * Copyright (C) 2005 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 #include "stdinc.h"
26 #include "list.h"
27 #include "channel.h"
28 #include "client.h"
29 #include "irc_string.h"
30 #include "ircd.h"
31 #include "numeric.h"
32 #include "s_serv.h"
33 #include "s_user.h"
34 #include "send.h"
35 #include "conf.h"
36 #include "parse.h"
37 #include "modules.h"
38
39
40 static void send_conf_options(struct Client *);
41 static void send_birthdate_online_time(struct Client *);
42 static void send_info_text(struct Client *);
43
44 /*
45 * jdc -- Structure for our configuration value table
46 */
47 struct InfoStruct
48 {
49 const char *name; /* Displayed variable name */
50 unsigned int output_type; /* See below #defines */
51 void *option; /* Pointer reference to the value */
52 const char *desc; /* ASCII description of the variable */
53 };
54
55 /* Types for output_type in InfoStruct */
56 #define OUTPUT_STRING 0x0001 /* Output option as %s w/ dereference */
57 #define OUTPUT_STRING_PTR 0x0002 /* Output option as %s w/out deference */
58 #define OUTPUT_DECIMAL 0x0004 /* Output option as decimal (%d) */
59 #define OUTPUT_BOOLEAN 0x0008 /* Output option as "ON" or "OFF" */
60 #define OUTPUT_BOOLEAN_YN 0x0010 /* Output option as "YES" or "NO" */
61 #define OUTPUT_BOOLEAN2 0x0020 /* Output option as "YES/NO/MASKED" */
62
63 static const struct InfoStruct info_table[] =
64 {
65 /* --[ START OF TABLE ]-------------------------------------------- */
66
67 {
68 "CPATH",
69 OUTPUT_STRING,
70 &ConfigFileEntry.configfile,
71 "Path to main configuration file"
72 },
73 {
74 "DPATH",
75 OUTPUT_STRING,
76 &ConfigFileEntry.dpath,
77 "Directory containing configuration files"
78 },
79 {
80 "DLPATH",
81 OUTPUT_STRING,
82 &ConfigFileEntry.dlinefile,
83 "Path to D-line database file"
84 },
85 {
86 "KPATH",
87 OUTPUT_STRING,
88 &ConfigFileEntry.klinefile,
89 "Path to K-line database file"
90 },
91 {
92 "GPATH",
93 OUTPUT_STRING,
94 &ConfigFileEntry.glinefile,
95 "Path to G-line database file"
96 },
97 {
98 "XPATH",
99 OUTPUT_STRING,
100 &ConfigFileEntry.xlinefile,
101 "Path to X-line database file"
102 },
103 {
104 "RESVPATH",
105 OUTPUT_STRING,
106 &ConfigFileEntry.xlinefile,
107 "Path to resv database file"
108 },
109 {
110 "network_name",
111 OUTPUT_STRING,
112 &ServerInfo.network_name,
113 "Network name"
114 },
115 {
116 "network_desc",
117 OUTPUT_STRING,
118 &ServerInfo.network_desc,
119 "Network description"
120 },
121 {
122 "hub",
123 OUTPUT_BOOLEAN_YN,
124 &ServerInfo.hub,
125 "Server is a hub"
126 },
127 {
128 "max_clients",
129 OUTPUT_DECIMAL,
130 &ServerInfo.max_clients,
131 "Maximum number of clients permitted simultaneously on this server"
132 },
133 {
134 "max_nick_length",
135 OUTPUT_DECIMAL,
136 &ServerInfo.max_nick_length,
137 "Maximum nickname length"
138 },
139 {
140 "max_topic_length",
141 OUTPUT_DECIMAL,
142 &ServerInfo.max_topic_length,
143 "Maximum topic length"
144 },
145 {
146 "use_logging",
147 OUTPUT_BOOLEAN_YN,
148 &ConfigLoggingEntry.use_logging,
149 "Enable logging"
150 },
151 {
152 "restrict_channels",
153 OUTPUT_BOOLEAN_YN,
154 &ConfigChannel.restrict_channels,
155 "Only reserved channels are allowed"
156 },
157 {
158 "knock_delay",
159 OUTPUT_DECIMAL,
160 &ConfigChannel.knock_delay,
161 "Delay between a users KNOCK attempts"
162 },
163 {
164 "knock_delay_channel",
165 OUTPUT_DECIMAL,
166 &ConfigChannel.knock_delay_channel,
167 "Delay between KNOCK attempts to a channel"
168 },
169 {
170 "max_chans_per_user",
171 OUTPUT_DECIMAL,
172 &ConfigChannel.max_chans_per_user,
173 "Maximum number of channels a user can join"
174 },
175 {
176 "max_chans_per_oper",
177 OUTPUT_DECIMAL,
178 &ConfigChannel.max_chans_per_oper,
179 "Maximum number of channels an oper can join"
180 },
181 {
182 "quiet_on_ban",
183 OUTPUT_BOOLEAN_YN,
184 &ConfigChannel.quiet_on_ban,
185 "Banned users may not send text to a channel"
186 },
187 {
188 "max_bans",
189 OUTPUT_DECIMAL,
190 &ConfigChannel.max_bans,
191 "Total +b/e/I modes allowed in a channel"
192 },
193 {
194 "default_split_user_count",
195 OUTPUT_DECIMAL,
196 &ConfigChannel.default_split_user_count,
197 "Startup value of SPLITUSERS"
198 },
199 {
200 "default_split_server_count",
201 OUTPUT_DECIMAL,
202 &ConfigChannel.default_split_server_count,
203 "Startup value of SPLITNUM"
204 },
205 {
206 "no_create_on_split",
207 OUTPUT_BOOLEAN_YN,
208 &ConfigChannel.no_create_on_split,
209 "Disallow creation of channels when split"
210 },
211 {
212 "no_join_on_split",
213 OUTPUT_BOOLEAN_YN,
214 &ConfigChannel.no_join_on_split,
215 "Disallow joining channels when split"
216 },
217 {
218 "flatten_links",
219 OUTPUT_BOOLEAN_YN,
220 &ConfigServerHide.flatten_links,
221 "Flatten /links list"
222 },
223 {
224 "links_delay",
225 OUTPUT_DECIMAL,
226 &ConfigServerHide.links_delay,
227 "Links rehash delay"
228 },
229 {
230 "hidden",
231 OUTPUT_BOOLEAN_YN,
232 &ConfigServerHide.hidden,
233 "Hide this server from a flattened /links on remote servers"
234 },
235 {
236 "hide_servers",
237 OUTPUT_BOOLEAN_YN,
238 &ConfigServerHide.hide_servers,
239 "Hide servernames from users"
240 },
241 {
242 "hidden_name",
243 OUTPUT_STRING,
244 &ConfigServerHide.hidden_name,
245 "Server name users see if hide_servers = yes"
246 },
247 {
248 "hide_server_ips",
249 OUTPUT_BOOLEAN_YN,
250 &ConfigServerHide.hide_server_ips,
251 "Prevent people from seeing server IPs"
252 },
253 {
254 "gline_min_cidr",
255 OUTPUT_DECIMAL,
256 &ConfigFileEntry.gline_min_cidr,
257 "Minimum required length of a CIDR bitmask for IPv4 G-Lines"
258 },
259 {
260 "gline_min_cidr6",
261 OUTPUT_DECIMAL,
262 &ConfigFileEntry.gline_min_cidr6,
263 "Minimum required length of a CIDR bitmask for IPv6 G-Lines"
264 },
265 {
266 "invisible_on_connect",
267 OUTPUT_BOOLEAN_YN,
268 &ConfigFileEntry.invisible_on_connect,
269 "Automatically set mode +i on connecting users"
270 },
271 {
272 "kill_chase_time_limit",
273 OUTPUT_DECIMAL,
274 &ConfigFileEntry.kill_chase_time_limit,
275 "Nick Change Tracker for KILL"
276 },
277 {
278 "hide_spoof_ips",
279 OUTPUT_BOOLEAN_YN,
280 &ConfigFileEntry.hide_spoof_ips,
281 "Hide spoofed IP's"
282 },
283 {
284 "ignore_bogus_ts",
285 OUTPUT_BOOLEAN_YN,
286 &ConfigFileEntry.ignore_bogus_ts,
287 "Ignore bogus timestamps from other servers"
288 },
289 {
290 "disable_auth",
291 OUTPUT_BOOLEAN_YN,
292 &ConfigFileEntry.disable_auth,
293 "Completely disable ident lookups"
294 },
295 {
296 "disable_remote_commands",
297 OUTPUT_BOOLEAN_YN,
298 &ConfigFileEntry.disable_remote,
299 "Prevent users issuing commands on remote servers"
300 },
301 {
302 "tkline_expire_notices",
303 OUTPUT_BOOLEAN_YN,
304 &ConfigFileEntry.tkline_expire_notices,
305 "Show temporary kline/xline expire notices"
306 },
307 {
308 "default_floodcount",
309 OUTPUT_DECIMAL,
310 &ConfigFileEntry.default_floodcount,
311 "Startup value of FLOODCOUNT"
312 },
313 {
314 "failed_oper_notice",
315 OUTPUT_BOOLEAN,
316 &ConfigFileEntry.failed_oper_notice,
317 "Inform opers if someone tries to /oper with the wrong password"
318 },
319 {
320 "dots_in_ident",
321 OUTPUT_DECIMAL,
322 &ConfigFileEntry.dots_in_ident,
323 "Number of permissable dots in an ident"
324 },
325 {
326 "min_nonwildcard",
327 OUTPUT_DECIMAL,
328 &ConfigFileEntry.min_nonwildcard,
329 "Minimum non-wildcard chars in K/G lines"
330 },
331 {
332 "min_nonwildcard_simple",
333 OUTPUT_DECIMAL,
334 &ConfigFileEntry.min_nonwildcard_simple,
335 "Minimum non-wildcards in gecos bans"
336 },
337 {
338 "max_accept",
339 OUTPUT_DECIMAL,
340 &ConfigFileEntry.max_accept,
341 "Maximum nicknames on accept list"
342 },
343 {
344 "anti_nick_flood",
345 OUTPUT_BOOLEAN,
346 &ConfigFileEntry.anti_nick_flood,
347 "NICK flood protection"
348 },
349 {
350 "max_nick_time",
351 OUTPUT_DECIMAL,
352 &ConfigFileEntry.max_nick_time,
353 "NICK flood protection time interval"
354 },
355 {
356 "max_nick_changes",
357 OUTPUT_DECIMAL,
358 &ConfigFileEntry.max_nick_changes,
359 "NICK change threshhold setting"
360 },
361 {
362 "anti_spam_exit_message_time",
363 OUTPUT_DECIMAL,
364 &ConfigFileEntry.anti_spam_exit_message_time,
365 "Duration a client must be connected for to have an exit message"
366 },
367 {
368 "ts_warn_delta",
369 OUTPUT_DECIMAL,
370 &ConfigFileEntry.ts_warn_delta,
371 "Maximum permitted TS delta before displaying a warning"
372 },
373 {
374 "ts_max_delta",
375 OUTPUT_DECIMAL,
376 &ConfigFileEntry.ts_max_delta,
377 "Maximum permitted TS delta from another server"
378 },
379 {
380 "warn_no_nline",
381 OUTPUT_BOOLEAN,
382 &ConfigFileEntry.warn_no_nline,
383 "Display warning if connecting server lacks N-line"
384 },
385 {
386 "stats_o_oper_only",
387 OUTPUT_BOOLEAN_YN,
388 &ConfigFileEntry.stats_o_oper_only,
389 "STATS O output is only shown to operators"
390 },
391 {
392 "stats_P_oper_only",
393 OUTPUT_BOOLEAN_YN,
394 &ConfigFileEntry.stats_P_oper_only,
395 "STATS P is only shown to operators"
396 },
397 {
398 "stats_i_oper_only",
399 OUTPUT_BOOLEAN2,
400 &ConfigFileEntry.stats_i_oper_only,
401 "STATS I output is only shown to operators"
402 },
403 {
404 "stats_k_oper_only",
405 OUTPUT_BOOLEAN2,
406 &ConfigFileEntry.stats_k_oper_only,
407 "STATS K output is only shown to operators"
408 },
409 {
410 "caller_id_wait",
411 OUTPUT_DECIMAL,
412 &ConfigFileEntry.caller_id_wait,
413 "Minimum delay between notifying UMODE +g users of messages"
414 },
415 {
416 "opers_bypass_callerid",
417 OUTPUT_BOOLEAN_YN,
418 &ConfigFileEntry.opers_bypass_callerid,
419 "Allows IRC operators to message users who are +g (callerid)"
420 },
421 {
422 "pace_wait_simple",
423 OUTPUT_DECIMAL,
424 &ConfigFileEntry.pace_wait_simple,
425 "Minimum delay between less intensive commands"
426 },
427 {
428 "pace_wait",
429 OUTPUT_DECIMAL,
430 &ConfigFileEntry.pace_wait,
431 "Minimum delay between uses of certain commands"
432 },
433 {
434 "short_motd",
435 OUTPUT_BOOLEAN_YN,
436 &ConfigFileEntry.short_motd,
437 "Do not show MOTD; only tell clients they should read it"
438 },
439 {
440 "ping_cookie",
441 OUTPUT_BOOLEAN,
442 &ConfigFileEntry.ping_cookie,
443 "Require ping cookies to connect"
444 },
445 {
446 "no_oper_flood",
447 OUTPUT_BOOLEAN,
448 &ConfigFileEntry.no_oper_flood,
449 "Reduce flood control for operators"
450 },
451 {
452 "true_no_oper_flood",
453 OUTPUT_BOOLEAN,
454 &ConfigFileEntry.true_no_oper_flood,
455 "Completely disable flood control for operators"
456 },
457 {
458 "oper_pass_resv",
459 OUTPUT_BOOLEAN_YN,
460 &ConfigFileEntry.oper_pass_resv,
461 "Opers can over-ride RESVs"
462 },
463 {
464 "max_targets",
465 OUTPUT_DECIMAL,
466 &ConfigFileEntry.max_targets,
467 "The maximum number of PRIVMSG/NOTICE targets"
468 },
469 {
470 "throttle_time",
471 OUTPUT_DECIMAL,
472 &ConfigFileEntry.throttle_time,
473 "Minimum time between client reconnects"
474 },
475 {
476 "glines",
477 OUTPUT_BOOLEAN,
478 &ConfigFileEntry.glines,
479 "G-line (network-wide K-line) support"
480 },
481 {
482 "gline_duration",
483 OUTPUT_DECIMAL,
484 &ConfigFileEntry.gline_time,
485 "Expiry time for G-lines"
486 },
487
488 {
489 "gline_request_duration",
490 OUTPUT_DECIMAL,
491 &ConfigFileEntry.gline_request_time,
492 "Expiry time for pending G-lines"
493 },
494
495 /* --[ END OF TABLE ]---------------------------------------------- */
496 {
497 NULL,
498 0,
499 NULL,
500 0
501 }
502 };
503
504 /*
505 ** m_info()
506 ** parv[0] = sender prefix
507 ** parv[1] = servername
508 */
509 static void
510 m_info(struct Client *client_p, struct Client *source_p,
511 int parc, char *parv[])
512 {
513 static time_t last_used = 0;
514
515 if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
516 {
517 /* safe enough to give this on a local connect only */
518 sendto_one(source_p, form_str(RPL_LOAD2HI),
519 me.name, source_p->name);
520 return;
521 }
522
523 last_used = CurrentTime;
524
525 if (!ConfigFileEntry.disable_remote)
526 if (hunt_server(client_p,source_p, ":%s INFO :%s", 1,
527 parc, parv) != HUNTED_ISME)
528 return;
529
530 send_info_text(source_p);
531 }
532
533 /*
534 ** mo_info()
535 ** parv[0] = sender prefix
536 ** parv[1] = servername
537 */
538 static void
539 mo_info(struct Client *client_p, struct Client *source_p,
540 int parc, char *parv[])
541 {
542 if (hunt_server(client_p, source_p, ":%s INFO :%s", 1,
543 parc, parv) != HUNTED_ISME)
544 return;
545
546 send_info_text(source_p);
547 }
548
549 /*
550 ** ms_info()
551 ** parv[0] = sender prefix
552 ** parv[1] = servername
553 */
554 static void
555 ms_info(struct Client *client_p, struct Client *source_p,
556 int parc, char *parv[])
557 {
558 if (!IsClient(source_p))
559 return;
560
561 if (hunt_server(client_p, source_p, ":%s INFO :%s", 1,
562 parc, parv) != HUNTED_ISME)
563 return;
564
565 send_info_text(source_p);
566 }
567
568 /* send_info_text()
569 *
570 * inputs - client pointer to send info text to
571 * output - NONE
572 * side effects - info text is sent to client
573 */
574 static void
575 send_info_text(struct Client *source_p)
576 {
577 const char **text = infotext;
578 char *source, *target;
579
580 sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
581 "INFO requested by %s (%s@%s) [%s]",
582 source_p->name, source_p->username,
583 source_p->host, source_p->servptr->name);
584
585 if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) &&
586 HasID(source_p))
587 source = me.id, target = source_p->id;
588 else
589 source = me.name, target = source_p->name;
590
591 while (*text)
592 {
593 const char *line = *text++;
594
595 if (*line == '\0')
596 line = " ";
597
598 sendto_one(source_p, form_str(RPL_INFO),
599 source, target, line);
600 }
601
602 if (HasUMode(source_p, UMODE_OPER))
603 send_conf_options(source_p);
604
605 send_birthdate_online_time(source_p);
606
607 sendto_one(source_p, form_str(RPL_ENDOFINFO),
608 me.name, source_p->name);
609 }
610
611 /* send_birthdate_online_time()
612 *
613 * inputs - client pointer to send to
614 * output - NONE
615 * side effects - birthdate and online time are sent
616 */
617 static void
618 send_birthdate_online_time(struct Client *source_p)
619 {
620 if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
621 {
622 sendto_one(source_p, ":%s %d %s :On-line since %s",
623 me.id, RPL_INFO, source_p->id,
624 myctime(me.localClient->firsttime));
625 }
626 else
627 {
628 sendto_one(source_p, ":%s %d %s :On-line since %s",
629 me.name, RPL_INFO, source_p->name,
630 myctime(me.localClient->firsttime));
631 }
632 }
633
634 /* send_conf_options()
635 *
636 * inputs - client pointer to send to
637 * output - NONE
638 * side effects - send config options to client
639 */
640 static void
641 send_conf_options(struct Client *source_p)
642 {
643 const char *from, *to;
644 const struct InfoStruct *iptr = NULL;
645
646 /* Now send them a list of all our configuration options
647 * (mostly from defaults.h and config.h)
648 */
649 if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
650 {
651 from = me.id;
652 to = source_p->id;
653 }
654 else
655 {
656 from = me.name;
657 to = source_p->name;
658 }
659
660 /*
661 * Parse the info_table[] and do the magic.
662 */
663 for (iptr = info_table; iptr->name; ++iptr)
664 {
665 switch (iptr->output_type)
666 {
667 /* For "char *" references */
668 case OUTPUT_STRING:
669 {
670 const char *option = *((char **)iptr->option);
671
672 sendto_one(source_p, ":%s %d %s :%-30s %-5s [%-30s]",
673 from, RPL_INFO, to,
674 iptr->name, option ? option : "NONE",
675 iptr->desc ? iptr->desc : "<none>");
676 break;
677 }
678
679 /* For "char foo[]" references */
680 case OUTPUT_STRING_PTR:
681 {
682 const char *option = iptr->option;
683
684 sendto_one(source_p, ":%s %d %s :%-30s %-5s [%-30s]",
685 from, RPL_INFO, to,
686 iptr->name, option ? option : "NONE",
687 iptr->desc ? iptr->desc : "<none>");
688 break;
689 }
690
691 /* Output info_table[i].option as a decimal value. */
692 case OUTPUT_DECIMAL:
693 {
694 const int option = *((int *)iptr->option);
695
696 sendto_one(source_p, ":%s %d %s :%-30s %-5d [%-30s]",
697 from, RPL_INFO, to, iptr->name,
698 option, iptr->desc ? iptr->desc : "<none>");
699 break;
700 }
701
702 /* Output info_table[i].option as "ON" or "OFF" */
703 case OUTPUT_BOOLEAN:
704 {
705 const int option = *((int *)iptr->option);
706
707 sendto_one(source_p, ":%s %d %s :%-30s %-5s [%-30s]",
708 from, RPL_INFO, to,
709 iptr->name, option ? "ON" : "OFF",
710 iptr->desc ? iptr->desc : "<none>");
711
712 break;
713 }
714
715 /* Output info_table[i].option as "YES" or "NO" */
716 case OUTPUT_BOOLEAN_YN:
717 {
718 int option = *((int *)iptr->option);
719
720 sendto_one(source_p, ":%s %d %s :%-30s %-5s [%-30s]",
721 from, RPL_INFO, to,
722 iptr->name, option ? "YES" : "NO",
723 iptr->desc ? iptr->desc : "<none>");
724 break;
725 }
726
727 case OUTPUT_BOOLEAN2:
728 {
729 int option = *((int *)iptr->option);
730
731 sendto_one(source_p, ":%s %d %s :%-30s %-5s [%-30s]",
732 from, RPL_INFO, to,
733 iptr->name, option ? ((option == 1) ? "MASK" : "YES") : "NO",
734 iptr->desc ? iptr->desc : "<none>");
735 break;
736 }
737 }
738 }
739
740 sendto_one(source_p, form_str(RPL_INFO),
741 from, to, "");
742 }
743
744 static struct Message info_msgtab = {
745 "INFO", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
746 { m_unregistered, m_info, ms_info, m_ignore, mo_info, m_ignore }
747 };
748
749 static void
750 module_init(void)
751 {
752 mod_add_cmd(&info_msgtab);
753 }
754
755 static void
756 module_exit(void)
757 {
758 mod_del_cmd(&info_msgtab);
759 }
760
761 struct module module_entry = {
762 .node = { NULL, NULL, NULL },
763 .name = NULL,
764 .version = "$Revision$",
765 .handle = NULL,
766 .modinit = module_init,
767 .modexit = module_exit,
768 .flags = 0
769 };

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