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