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1 | /* | |
2 | * ircd-ratbox: an advanced Internet Relay Chat Daemon(ircd). | |
3 | * s_newconf.c - code for dealing with conf stuff | |
4 | * | |
5 | * Copyright (C) 2004 Lee Hardy <lee@leeh.co.uk> | |
6 | * Copyright (C) 2004-2005 ircd-ratbox development team | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions are | |
10 | * met: | |
11 | * | |
12 | * 1.Redistributions of source code must retain the above copyright notice, | |
13 | * this list of conditions and the following disclaimer. | |
14 | * 2.Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in the | |
16 | * documentation and/or other materials provided with the distribution. | |
17 | * 3.The name of the author may not be used to endorse or promote products | |
18 | * derived from this software without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
21 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
22 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
23 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
24 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
26 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
28 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
30 | * POSSIBILITY OF SUCH DAMAGE. | |
31 | * | |
32 | * $Id: s_newconf.c 3508 2007-06-04 16:04:49Z jilles $ | |
33 | */ | |
34 | ||
35 | #include "stdinc.h" | |
36 | #include "ircd_defs.h" | |
37 | #include "common.h" | |
38 | #include "s_conf.h" | |
39 | #include "s_newconf.h" | |
40 | #include "client.h" | |
41 | #include "s_serv.h" | |
42 | #include "send.h" | |
43 | #include "hostmask.h" | |
44 | #include "newconf.h" | |
45 | #include "hash.h" | |
46 | #include "irc_dictionary.h" | |
47 | #include "irc_radixtree.h" | |
48 | #include "s_assert.h" | |
49 | #include "logger.h" | |
50 | #include "dns.h" | |
51 | ||
52 | rb_dlink_list shared_conf_list; | |
53 | rb_dlink_list cluster_conf_list; | |
54 | rb_dlink_list oper_conf_list; | |
55 | rb_dlink_list hubleaf_conf_list; | |
56 | rb_dlink_list server_conf_list; | |
57 | rb_dlink_list xline_conf_list; | |
58 | rb_dlink_list resv_conf_list; /* nicks only! */ | |
59 | rb_dlink_list nd_list; /* nick delay */ | |
60 | rb_dlink_list tgchange_list; | |
61 | ||
62 | rb_patricia_tree_t *tgchange_tree; | |
63 | ||
64 | static rb_bh *nd_heap = NULL; | |
65 | ||
66 | static void expire_temp_rxlines(void *unused); | |
67 | static void expire_nd_entries(void *unused); | |
68 | ||
69 | struct ev_entry *expire_nd_entries_ev = NULL; | |
70 | struct ev_entry *expire_temp_rxlines_ev = NULL; | |
71 | ||
72 | void | |
73 | init_s_newconf(void) | |
74 | { | |
75 | tgchange_tree = rb_new_patricia(PATRICIA_BITS); | |
76 | nd_heap = rb_bh_create(sizeof(struct nd_entry), ND_HEAP_SIZE, "nd_heap"); | |
77 | expire_nd_entries_ev = rb_event_addish("expire_nd_entries", expire_nd_entries, NULL, 30); | |
78 | expire_temp_rxlines_ev = rb_event_addish("expire_temp_rxlines", expire_temp_rxlines, NULL, 60); | |
79 | } | |
80 | ||
81 | void | |
82 | clear_s_newconf(void) | |
83 | { | |
84 | struct server_conf *server_p; | |
85 | rb_dlink_node *ptr; | |
86 | rb_dlink_node *next_ptr; | |
87 | ||
88 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, shared_conf_list.head) | |
89 | { | |
90 | /* ptr here is ptr->data->node */ | |
91 | rb_dlinkDelete(ptr, &shared_conf_list); | |
92 | free_remote_conf(ptr->data); | |
93 | } | |
94 | ||
95 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, cluster_conf_list.head) | |
96 | { | |
97 | rb_dlinkDelete(ptr, &cluster_conf_list); | |
98 | free_remote_conf(ptr->data); | |
99 | } | |
100 | ||
101 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, hubleaf_conf_list.head) | |
102 | { | |
103 | rb_dlinkDelete(ptr, &hubleaf_conf_list); | |
104 | free_remote_conf(ptr->data); | |
105 | } | |
106 | ||
107 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, oper_conf_list.head) | |
108 | { | |
109 | free_oper_conf(ptr->data); | |
110 | rb_dlinkDestroy(ptr, &oper_conf_list); | |
111 | } | |
112 | ||
113 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, server_conf_list.head) | |
114 | { | |
115 | server_p = ptr->data; | |
116 | ||
117 | if(!server_p->servers) | |
118 | { | |
119 | rb_dlinkDelete(ptr, &server_conf_list); | |
120 | free_server_conf(ptr->data); | |
121 | } | |
122 | else | |
123 | server_p->flags |= SERVER_ILLEGAL; | |
124 | } | |
125 | } | |
126 | ||
127 | void | |
128 | clear_s_newconf_bans(void) | |
129 | { | |
130 | struct ConfItem *aconf; | |
131 | rb_dlink_node *ptr, *next_ptr; | |
132 | ||
133 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head) | |
134 | { | |
135 | aconf = ptr->data; | |
136 | ||
137 | if(aconf->hold) | |
138 | continue; | |
139 | ||
140 | free_conf(aconf); | |
141 | rb_dlinkDestroy(ptr, &xline_conf_list); | |
142 | } | |
143 | ||
144 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head) | |
145 | { | |
146 | aconf = ptr->data; | |
147 | ||
148 | /* temporary resv */ | |
149 | if(aconf->hold) | |
150 | continue; | |
151 | ||
152 | free_conf(aconf); | |
153 | rb_dlinkDestroy(ptr, &resv_conf_list); | |
154 | } | |
155 | ||
156 | clear_resv_hash(); | |
157 | } | |
158 | ||
159 | struct remote_conf * | |
160 | make_remote_conf(void) | |
161 | { | |
162 | struct remote_conf *remote_p = rb_malloc(sizeof(struct remote_conf)); | |
163 | return remote_p; | |
164 | } | |
165 | ||
166 | void | |
167 | free_remote_conf(struct remote_conf *remote_p) | |
168 | { | |
169 | s_assert(remote_p != NULL); | |
170 | if(remote_p == NULL) | |
171 | return; | |
172 | ||
173 | rb_free(remote_p->username); | |
174 | rb_free(remote_p->host); | |
175 | rb_free(remote_p->server); | |
176 | rb_free(remote_p); | |
177 | } | |
178 | ||
179 | int | |
180 | find_shared_conf(const char *username, const char *host, | |
181 | const char *server, int flags) | |
182 | { | |
183 | struct remote_conf *shared_p; | |
184 | rb_dlink_node *ptr; | |
185 | ||
186 | RB_DLINK_FOREACH(ptr, shared_conf_list.head) | |
187 | { | |
188 | shared_p = ptr->data; | |
189 | ||
190 | if(match(shared_p->username, username) && | |
191 | match(shared_p->host, host) && | |
192 | match(shared_p->server, server)) | |
193 | { | |
194 | if(shared_p->flags & flags) | |
195 | return YES; | |
196 | else | |
197 | return NO; | |
198 | } | |
199 | } | |
200 | ||
201 | return NO; | |
202 | } | |
203 | ||
204 | void | |
205 | propagate_generic(struct Client *source_p, const char *command, | |
206 | const char *target, int cap, const char *format, ...) | |
207 | { | |
208 | char buffer[BUFSIZE]; | |
209 | va_list args; | |
210 | ||
211 | va_start(args, format); | |
212 | rb_vsnprintf(buffer, sizeof(buffer), format, args); | |
213 | va_end(args); | |
214 | ||
215 | sendto_match_servs(source_p, target, cap, NOCAPS, | |
216 | "%s %s %s", | |
217 | command, target, buffer); | |
218 | sendto_match_servs(source_p, target, CAP_ENCAP, cap, | |
219 | "ENCAP %s %s %s", | |
220 | target, command, buffer); | |
221 | } | |
222 | ||
223 | void | |
224 | cluster_generic(struct Client *source_p, const char *command, | |
225 | int cltype, int cap, const char *format, ...) | |
226 | { | |
227 | char buffer[BUFSIZE]; | |
228 | struct remote_conf *shared_p; | |
229 | va_list args; | |
230 | rb_dlink_node *ptr; | |
231 | ||
232 | va_start(args, format); | |
233 | rb_vsnprintf(buffer, sizeof(buffer), format, args); | |
234 | va_end(args); | |
235 | ||
236 | RB_DLINK_FOREACH(ptr, cluster_conf_list.head) | |
237 | { | |
238 | shared_p = ptr->data; | |
239 | ||
240 | if(!(shared_p->flags & cltype)) | |
241 | continue; | |
242 | ||
243 | sendto_match_servs(source_p, shared_p->server, cap, NOCAPS, | |
244 | "%s %s %s", | |
245 | command, shared_p->server, buffer); | |
246 | sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, cap, | |
247 | "ENCAP %s %s %s", | |
248 | shared_p->server, command, buffer); | |
249 | } | |
250 | } | |
251 | ||
252 | struct oper_conf * | |
253 | make_oper_conf(void) | |
254 | { | |
255 | struct oper_conf *oper_p = rb_malloc(sizeof(struct oper_conf)); | |
256 | return oper_p; | |
257 | } | |
258 | ||
259 | void | |
260 | free_oper_conf(struct oper_conf *oper_p) | |
261 | { | |
262 | s_assert(oper_p != NULL); | |
263 | if(oper_p == NULL) | |
264 | return; | |
265 | ||
266 | rb_free(oper_p->username); | |
267 | rb_free(oper_p->host); | |
268 | rb_free(oper_p->name); | |
269 | rb_free(oper_p->certfp); | |
270 | ||
271 | if(oper_p->passwd) | |
272 | { | |
273 | memset(oper_p->passwd, 0, strlen(oper_p->passwd)); | |
274 | rb_free(oper_p->passwd); | |
275 | } | |
276 | ||
277 | #ifdef HAVE_LIBCRYPTO | |
278 | rb_free(oper_p->rsa_pubkey_file); | |
279 | ||
280 | if(oper_p->rsa_pubkey) | |
281 | RSA_free(oper_p->rsa_pubkey); | |
282 | #endif | |
283 | ||
284 | rb_free(oper_p); | |
285 | } | |
286 | ||
287 | struct oper_conf * | |
288 | find_oper_conf(const char *username, const char *host, const char *locip, const char *name) | |
289 | { | |
290 | struct oper_conf *oper_p; | |
291 | struct rb_sockaddr_storage ip, cip; | |
292 | char addr[HOSTLEN+1]; | |
293 | int bits, cbits; | |
294 | rb_dlink_node *ptr; | |
295 | ||
296 | parse_netmask(locip, &cip, &cbits); | |
297 | ||
298 | RB_DLINK_FOREACH(ptr, oper_conf_list.head) | |
299 | { | |
300 | oper_p = ptr->data; | |
301 | ||
302 | /* name/username doesnt match.. */ | |
303 | if(irccmp(oper_p->name, name) || !match(oper_p->username, username)) | |
304 | continue; | |
305 | ||
306 | rb_strlcpy(addr, oper_p->host, sizeof(addr)); | |
307 | ||
308 | if(parse_netmask(addr, &ip, &bits) != HM_HOST) | |
309 | { | |
310 | if(ip.ss_family == cip.ss_family && | |
311 | comp_with_mask_sock((struct sockaddr *)&ip, (struct sockaddr *)&cip, bits)) | |
312 | return oper_p; | |
313 | } | |
314 | ||
315 | /* we have to compare against the host as well, because its | |
316 | * valid to set a spoof to an IP, which if we only compare | |
317 | * in ip form to sockhost will not necessarily match --anfl | |
318 | */ | |
319 | if(match(oper_p->host, host)) | |
320 | return oper_p; | |
321 | } | |
322 | ||
323 | return NULL; | |
324 | } | |
325 | ||
326 | struct server_conf * | |
327 | make_server_conf(void) | |
328 | { | |
329 | struct server_conf *server_p = rb_malloc(sizeof(struct server_conf)); | |
330 | server_p->aftype = AF_INET; | |
331 | return server_p; | |
332 | } | |
333 | ||
334 | void | |
335 | free_server_conf(struct server_conf *server_p) | |
336 | { | |
337 | s_assert(server_p != NULL); | |
338 | if(server_p == NULL) | |
339 | return; | |
340 | ||
341 | if(!EmptyString(server_p->passwd)) | |
342 | { | |
343 | memset(server_p->passwd, 0, strlen(server_p->passwd)); | |
344 | rb_free(server_p->passwd); | |
345 | } | |
346 | ||
347 | if(!EmptyString(server_p->spasswd)) | |
348 | { | |
349 | memset(server_p->spasswd, 0, strlen(server_p->spasswd)); | |
350 | rb_free(server_p->spasswd); | |
351 | } | |
352 | ||
353 | rb_free(server_p->name); | |
354 | rb_free(server_p->host); | |
355 | rb_free(server_p->class_name); | |
356 | rb_free(server_p); | |
357 | } | |
358 | ||
359 | /* | |
360 | * conf_dns_callback | |
361 | * inputs - pointer to struct ConfItem | |
362 | * - pointer to adns reply | |
363 | * output - none | |
364 | * side effects - called when resolver query finishes | |
365 | * if the query resulted in a successful search, hp will contain | |
366 | * a non-null pointer, otherwise hp will be null. | |
367 | * if successful save hp in the conf item it was called with | |
368 | */ | |
369 | static void | |
370 | conf_dns_callback(const char *result, int status, int aftype, void *data) | |
371 | { | |
372 | struct server_conf *server_p = data; | |
373 | ||
374 | if(status == 1) | |
375 | rb_inet_pton_sock(result, (struct sockaddr *)&server_p->my_ipnum); | |
376 | ||
377 | server_p->dns_query = 0; | |
378 | } | |
379 | ||
380 | void | |
381 | add_server_conf(struct server_conf *server_p) | |
382 | { | |
383 | if(EmptyString(server_p->class_name)) | |
384 | { | |
385 | server_p->class_name = rb_strdup("default"); | |
386 | server_p->class = default_class; | |
387 | return; | |
388 | } | |
389 | ||
390 | server_p->class = find_class(server_p->class_name); | |
391 | ||
392 | if(server_p->class == default_class) | |
393 | { | |
394 | conf_report_error("Warning connect::class invalid for %s", | |
395 | server_p->name); | |
396 | ||
397 | rb_free(server_p->class_name); | |
398 | server_p->class_name = rb_strdup("default"); | |
399 | } | |
400 | ||
401 | if(strpbrk(server_p->host, "*?")) | |
402 | return; | |
403 | ||
404 | server_p->dns_query = | |
405 | lookup_hostname(server_p->host, GET_SS_FAMILY(&server_p->my_ipnum), conf_dns_callback, server_p); | |
406 | } | |
407 | ||
408 | struct server_conf * | |
409 | find_server_conf(const char *name) | |
410 | { | |
411 | struct server_conf *server_p; | |
412 | rb_dlink_node *ptr; | |
413 | ||
414 | RB_DLINK_FOREACH(ptr, server_conf_list.head) | |
415 | { | |
416 | server_p = ptr->data; | |
417 | ||
418 | if(ServerConfIllegal(server_p)) | |
419 | continue; | |
420 | ||
421 | if(match(name, server_p->name)) | |
422 | return server_p; | |
423 | } | |
424 | ||
425 | return NULL; | |
426 | } | |
427 | ||
428 | void | |
429 | attach_server_conf(struct Client *client_p, struct server_conf *server_p) | |
430 | { | |
431 | /* already have an attached conf */ | |
432 | if(client_p->localClient->att_sconf) | |
433 | { | |
434 | /* short circuit this special case :) */ | |
435 | if(client_p->localClient->att_sconf == server_p) | |
436 | return; | |
437 | ||
438 | detach_server_conf(client_p); | |
439 | } | |
440 | ||
441 | CurrUsers(server_p->class)++; | |
442 | ||
443 | client_p->localClient->att_sconf = server_p; | |
444 | server_p->servers++; | |
445 | } | |
446 | ||
447 | void | |
448 | detach_server_conf(struct Client *client_p) | |
449 | { | |
450 | struct server_conf *server_p = client_p->localClient->att_sconf; | |
451 | ||
452 | if(server_p == NULL) | |
453 | return; | |
454 | ||
455 | client_p->localClient->att_sconf = NULL; | |
456 | server_p->servers--; | |
457 | CurrUsers(server_p->class)--; | |
458 | ||
459 | if(ServerConfIllegal(server_p) && !server_p->servers) | |
460 | { | |
461 | /* the class this one is using may need destroying too */ | |
462 | if(MaxUsers(server_p->class) < 0 && CurrUsers(server_p->class) <= 0) | |
463 | free_class(server_p->class); | |
464 | ||
465 | rb_dlinkDelete(&server_p->node, &server_conf_list); | |
466 | free_server_conf(server_p); | |
467 | } | |
468 | } | |
469 | ||
470 | void | |
471 | set_server_conf_autoconn(struct Client *source_p, const char *name, int newval) | |
472 | { | |
473 | struct server_conf *server_p; | |
474 | ||
475 | if((server_p = find_server_conf(name)) != NULL) | |
476 | { | |
477 | if(newval) | |
478 | server_p->flags |= SERVER_AUTOCONN; | |
479 | else | |
480 | server_p->flags &= ~SERVER_AUTOCONN; | |
481 | ||
482 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
483 | "%s has changed AUTOCONN for %s to %i", | |
484 | get_oper_name(source_p), name, newval); | |
485 | } | |
486 | else | |
487 | sendto_one_notice(source_p, ":Can't find %s", name); | |
488 | } | |
489 | ||
490 | void | |
491 | disable_server_conf_autoconn(const char *name) | |
492 | { | |
493 | struct server_conf *server_p; | |
494 | ||
495 | server_p = find_server_conf(name); | |
496 | if(server_p != NULL && server_p->flags & SERVER_AUTOCONN) | |
497 | { | |
498 | server_p->flags &= ~SERVER_AUTOCONN; | |
499 | ||
500 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
501 | "Disabling AUTOCONN for %s because of error", | |
502 | name); | |
503 | ilog(L_SERVER, "Disabling AUTOCONN for %s because of error", | |
504 | name); | |
505 | } | |
506 | } | |
507 | ||
508 | struct ConfItem * | |
509 | find_xline(const char *gecos, int counter) | |
510 | { | |
511 | struct ConfItem *aconf; | |
512 | rb_dlink_node *ptr; | |
513 | ||
514 | RB_DLINK_FOREACH(ptr, xline_conf_list.head) | |
515 | { | |
516 | aconf = ptr->data; | |
517 | ||
518 | if(match_esc(aconf->host, gecos)) | |
519 | { | |
520 | if(counter) | |
521 | aconf->port++; | |
522 | return aconf; | |
523 | } | |
524 | } | |
525 | ||
526 | return NULL; | |
527 | } | |
528 | ||
529 | struct ConfItem * | |
530 | find_xline_mask(const char *gecos) | |
531 | { | |
532 | struct ConfItem *aconf; | |
533 | rb_dlink_node *ptr; | |
534 | ||
535 | RB_DLINK_FOREACH(ptr, xline_conf_list.head) | |
536 | { | |
537 | aconf = ptr->data; | |
538 | ||
539 | if(!irccmp(aconf->host, gecos)) | |
540 | return aconf; | |
541 | } | |
542 | ||
543 | return NULL; | |
544 | } | |
545 | ||
546 | struct ConfItem * | |
547 | find_nick_resv(const char *name) | |
548 | { | |
549 | struct ConfItem *aconf; | |
550 | rb_dlink_node *ptr; | |
551 | ||
552 | RB_DLINK_FOREACH(ptr, resv_conf_list.head) | |
553 | { | |
554 | aconf = ptr->data; | |
555 | ||
556 | if(match_esc(aconf->host, name)) | |
557 | { | |
558 | aconf->port++; | |
559 | return aconf; | |
560 | } | |
561 | } | |
562 | ||
563 | return NULL; | |
564 | } | |
565 | ||
566 | struct ConfItem * | |
567 | find_nick_resv_mask(const char *name) | |
568 | { | |
569 | struct ConfItem *aconf; | |
570 | rb_dlink_node *ptr; | |
571 | ||
572 | RB_DLINK_FOREACH(ptr, resv_conf_list.head) | |
573 | { | |
574 | aconf = ptr->data; | |
575 | ||
576 | if(!irccmp(aconf->host, name)) | |
577 | return aconf; | |
578 | } | |
579 | ||
580 | return NULL; | |
581 | } | |
582 | ||
583 | /* clean_resv_nick() | |
584 | * | |
585 | * inputs - nick | |
586 | * outputs - 1 if nick is vaild resv, 0 otherwise | |
587 | * side effects - | |
588 | */ | |
589 | int | |
590 | clean_resv_nick(const char *nick) | |
591 | { | |
592 | char tmpch; | |
593 | int as = 0; | |
594 | int q = 0; | |
595 | int ch = 0; | |
596 | ||
597 | if(*nick == '-' || IsDigit(*nick)) | |
598 | return 0; | |
599 | ||
600 | while ((tmpch = *nick++)) | |
601 | { | |
602 | if(tmpch == '?' || tmpch == '@' || tmpch == '#') | |
603 | q++; | |
604 | else if(tmpch == '*') | |
605 | as++; | |
606 | else if(IsNickChar(tmpch)) | |
607 | ch++; | |
608 | else | |
609 | return 0; | |
610 | } | |
611 | ||
612 | if(!ch && as) | |
613 | return 0; | |
614 | ||
615 | return 1; | |
616 | } | |
617 | ||
618 | /* valid_wild_card_simple() | |
619 | * | |
620 | * inputs - "thing" to test | |
621 | * outputs - 1 if enough wildcards, else 0 | |
622 | * side effects - | |
623 | */ | |
624 | int | |
625 | valid_wild_card_simple(const char *data) | |
626 | { | |
627 | const char *p; | |
628 | char tmpch; | |
629 | int nonwild = 0; | |
630 | int wild = 0; | |
631 | ||
632 | /* check the string for minimum number of nonwildcard chars */ | |
633 | p = data; | |
634 | ||
635 | while((tmpch = *p++)) | |
636 | { | |
637 | /* found an escape, p points to the char after it, so skip | |
638 | * that and move on. | |
639 | */ | |
640 | if(tmpch == '\\' && *p) | |
641 | { | |
642 | p++; | |
643 | if(++nonwild >= ConfigFileEntry.min_nonwildcard_simple) | |
644 | return 1; | |
645 | } | |
646 | else if(!IsMWildChar(tmpch)) | |
647 | { | |
648 | /* if we have enough nonwildchars, return */ | |
649 | if(++nonwild >= ConfigFileEntry.min_nonwildcard_simple) | |
650 | return 1; | |
651 | } | |
652 | else | |
653 | wild++; | |
654 | } | |
655 | ||
656 | /* strings without wilds are also ok */ | |
657 | return wild == 0; | |
658 | } | |
659 | ||
660 | time_t | |
661 | valid_temp_time(const char *p) | |
662 | { | |
663 | time_t result = 0; | |
664 | ||
665 | while(*p) | |
666 | { | |
667 | if(IsDigit(*p)) | |
668 | { | |
669 | result *= 10; | |
670 | result += ((*p) & 0xF); | |
671 | p++; | |
672 | } | |
673 | else | |
674 | return -1; | |
675 | } | |
676 | ||
677 | if(result > (60 * 24 * 7 * 52)) | |
678 | result = (60 * 24 * 7 * 52); | |
679 | ||
680 | return(result * 60); | |
681 | } | |
682 | ||
683 | /* Propagated bans are expired elsewhere. */ | |
684 | static void | |
685 | expire_temp_rxlines(void *unused) | |
686 | { | |
687 | struct ConfItem *aconf; | |
688 | rb_dlink_node *ptr; | |
689 | rb_dlink_node *next_ptr; | |
690 | int i; | |
691 | struct irc_radixtree_iteration_state state; | |
692 | ||
693 | IRC_RADIXTREE_FOREACH(aconf, &state, resv_tree) | |
694 | { | |
695 | if(aconf->lifetime != 0) | |
696 | continue; | |
697 | if(aconf->hold && aconf->hold <= rb_current_time()) | |
698 | { | |
699 | if(ConfigFileEntry.tkline_expire_notices) | |
700 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
701 | "Temporary RESV for [%s] expired", | |
702 | aconf->host); | |
703 | ||
704 | irc_radixtree_delete(resv_tree, aconf->host); | |
705 | free_conf(aconf); | |
706 | } | |
707 | } | |
708 | ||
709 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head) | |
710 | { | |
711 | aconf = ptr->data; | |
712 | ||
713 | if(aconf->lifetime != 0) | |
714 | continue; | |
715 | if(aconf->hold && aconf->hold <= rb_current_time()) | |
716 | { | |
717 | if(ConfigFileEntry.tkline_expire_notices) | |
718 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
719 | "Temporary RESV for [%s] expired", | |
720 | aconf->host); | |
721 | free_conf(aconf); | |
722 | rb_dlinkDestroy(ptr, &resv_conf_list); | |
723 | } | |
724 | } | |
725 | ||
726 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head) | |
727 | { | |
728 | aconf = ptr->data; | |
729 | ||
730 | if(aconf->lifetime != 0) | |
731 | continue; | |
732 | if(aconf->hold && aconf->hold <= rb_current_time()) | |
733 | { | |
734 | if(ConfigFileEntry.tkline_expire_notices) | |
735 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
736 | "Temporary X-line for [%s] expired", | |
737 | aconf->host); | |
738 | free_conf(aconf); | |
739 | rb_dlinkDestroy(ptr, &xline_conf_list); | |
740 | } | |
741 | } | |
742 | } | |
743 | ||
744 | unsigned long | |
745 | get_nd_count(void) | |
746 | { | |
747 | return(rb_dlink_list_length(&nd_list)); | |
748 | } | |
749 | ||
750 | void | |
751 | add_nd_entry(const char *name) | |
752 | { | |
753 | struct nd_entry *nd; | |
754 | ||
755 | if(irc_dictionary_find(nd_dict, name) != NULL) | |
756 | return; | |
757 | ||
758 | nd = rb_bh_alloc(nd_heap); | |
759 | ||
760 | rb_strlcpy(nd->name, name, sizeof(nd->name)); | |
761 | nd->expire = rb_current_time() + ConfigFileEntry.nick_delay; | |
762 | ||
763 | /* this list is ordered */ | |
764 | rb_dlinkAddTail(nd, &nd->lnode, &nd_list); | |
765 | ||
766 | irc_dictionary_add(nd_dict, nd->name, nd); | |
767 | } | |
768 | ||
769 | void | |
770 | free_nd_entry(struct nd_entry *nd) | |
771 | { | |
772 | irc_dictionary_delete(nd_dict, nd->name); | |
773 | ||
774 | rb_dlinkDelete(&nd->lnode, &nd_list); | |
775 | rb_bh_free(nd_heap, nd); | |
776 | } | |
777 | ||
778 | void | |
779 | expire_nd_entries(void *unused) | |
780 | { | |
781 | struct nd_entry *nd; | |
782 | rb_dlink_node *ptr; | |
783 | rb_dlink_node *next_ptr; | |
784 | ||
785 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, nd_list.head) | |
786 | { | |
787 | nd = ptr->data; | |
788 | ||
789 | /* this list is ordered - we can stop when we hit the first | |
790 | * entry that doesnt expire.. | |
791 | */ | |
792 | if(nd->expire > rb_current_time()) | |
793 | return; | |
794 | ||
795 | free_nd_entry(nd); | |
796 | } | |
797 | } | |
798 | ||
799 | void | |
800 | add_tgchange(const char *host) | |
801 | { | |
802 | tgchange *target; | |
803 | rb_patricia_node_t *pnode; | |
804 | ||
805 | if(find_tgchange(host)) | |
806 | return; | |
807 | ||
808 | target = rb_malloc(sizeof(tgchange)); | |
809 | pnode = make_and_lookup(tgchange_tree, host); | |
810 | ||
811 | pnode->data = target; | |
812 | target->pnode = pnode; | |
813 | ||
814 | target->ip = rb_strdup(host); | |
815 | target->expiry = rb_current_time() + (60*60*12); | |
816 | ||
817 | rb_dlinkAdd(target, &target->node, &tgchange_list); | |
818 | } | |
819 | ||
820 | tgchange * | |
821 | find_tgchange(const char *host) | |
822 | { | |
823 | rb_patricia_node_t *pnode; | |
824 | ||
825 | if((pnode = rb_match_exact_string(tgchange_tree, host))) | |
826 | return pnode->data; | |
827 | ||
828 | return NULL; | |
829 | } | |
830 |