]>
Commit | Line | Data |
---|---|---|
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 | ||
328 | SET_SS_FAMILY(&server_p->connect4, AF_UNSPEC); | |
329 | SET_SS_LEN(&server_p->connect4, sizeof(struct sockaddr_in)); | |
330 | ||
331 | SET_SS_FAMILY(&server_p->bind4, AF_UNSPEC); | |
332 | SET_SS_LEN(&server_p->bind4, sizeof(struct sockaddr_in)); | |
333 | ||
334 | #ifdef RB_IPV6 | |
335 | SET_SS_FAMILY(&server_p->connect6, AF_UNSPEC); | |
336 | SET_SS_LEN(&server_p->connect6, sizeof(struct sockaddr_in6)); | |
337 | ||
338 | SET_SS_FAMILY(&server_p->bind6, AF_UNSPEC); | |
339 | SET_SS_LEN(&server_p->bind6, sizeof(struct sockaddr_in6)); | |
340 | #endif | |
341 | ||
342 | server_p->aftype = AF_UNSPEC; | |
343 | ||
344 | return rb_malloc(sizeof(struct server_conf)); | |
345 | } | |
346 | ||
347 | void | |
348 | free_server_conf(struct server_conf *server_p) | |
349 | { | |
350 | s_assert(server_p != NULL); | |
351 | if(server_p == NULL) | |
352 | return; | |
353 | ||
354 | if(!EmptyString(server_p->passwd)) | |
355 | { | |
356 | memset(server_p->passwd, 0, strlen(server_p->passwd)); | |
357 | rb_free(server_p->passwd); | |
358 | } | |
359 | ||
360 | if(!EmptyString(server_p->spasswd)) | |
361 | { | |
362 | memset(server_p->spasswd, 0, strlen(server_p->spasswd)); | |
363 | rb_free(server_p->spasswd); | |
364 | } | |
365 | ||
366 | rb_free(server_p->name); | |
367 | rb_free(server_p->connect_host); | |
368 | rb_free(server_p->bind_host); | |
369 | rb_free(server_p->class_name); | |
370 | rb_free(server_p); | |
371 | } | |
372 | ||
373 | /* | |
374 | * conf_connect_dns_callback | |
375 | * inputs - pointer to struct ConfItem | |
376 | * - pointer to adns reply | |
377 | * output - none | |
378 | * side effects - called when resolver query finishes | |
379 | * if the query resulted in a successful search, hp will contain | |
380 | * a non-null pointer, otherwise hp will be null. | |
381 | * if successful save hp in the conf item it was called with | |
382 | */ | |
383 | static void | |
384 | conf_connect_dns_callback(const char *result, int status, int aftype, void *data) | |
385 | { | |
386 | struct server_conf *server_p = data; | |
387 | ||
388 | if(aftype == AF_INET) | |
389 | { | |
390 | if(status == 1) | |
391 | rb_inet_pton_sock(result, (struct sockaddr *)&server_p->connect4); | |
392 | ||
393 | server_p->dns_query_connect4 = 0; | |
394 | } | |
395 | #ifdef RB_IPV6 | |
396 | else if(aftype == AF_INET6) | |
397 | { | |
398 | if(status == 1) | |
399 | rb_inet_pton_sock(result, (struct sockaddr *)&server_p->connect6); | |
400 | ||
401 | server_p->dns_query_connect6 = 0; | |
402 | } | |
403 | #endif | |
404 | } | |
405 | ||
406 | /* | |
407 | * conf_bind_dns_callback | |
408 | * inputs - pointer to struct ConfItem | |
409 | * - pointer to adns reply | |
410 | * output - none | |
411 | * side effects - called when resolver query finishes | |
412 | * if the query resulted in a successful search, hp will contain | |
413 | * a non-null pointer, otherwise hp will be null. | |
414 | * if successful save hp in the conf item it was called with | |
415 | */ | |
416 | static void | |
417 | conf_bind_dns_callback(const char *result, int status, int aftype, void *data) | |
418 | { | |
419 | struct server_conf *server_p = data; | |
420 | ||
421 | if(aftype == AF_INET) | |
422 | { | |
423 | if(status == 1) | |
424 | rb_inet_pton_sock(result, (struct sockaddr *)&server_p->bind4); | |
425 | ||
426 | server_p->dns_query_bind4 = 0; | |
427 | } | |
428 | #ifdef RB_IPV6 | |
429 | else if(aftype == AF_INET6) | |
430 | { | |
431 | if(status == 1) | |
432 | rb_inet_pton_sock(result, (struct sockaddr *)&server_p->bind6); | |
433 | ||
434 | server_p->dns_query_bind6 = 0; | |
435 | } | |
436 | #endif | |
437 | } | |
438 | ||
439 | void | |
440 | add_server_conf(struct server_conf *server_p) | |
441 | { | |
442 | if(EmptyString(server_p->class_name)) | |
443 | { | |
444 | server_p->class_name = rb_strdup("default"); | |
445 | server_p->class = default_class; | |
446 | return; | |
447 | } | |
448 | ||
449 | server_p->class = find_class(server_p->class_name); | |
450 | ||
451 | if(server_p->class == default_class) | |
452 | { | |
453 | conf_report_error("Warning connect::class invalid for %s", | |
454 | server_p->name); | |
455 | ||
456 | rb_free(server_p->class_name); | |
457 | server_p->class_name = rb_strdup("default"); | |
458 | } | |
459 | ||
460 | if(server_p->connect_host && !strpbrk(server_p->connect_host, "*?")) | |
461 | { | |
462 | server_p->dns_query_connect4 = | |
463 | lookup_hostname(server_p->connect_host, AF_INET, conf_connect_dns_callback, server_p); | |
464 | #ifdef RB_IPV6 | |
465 | server_p->dns_query_connect6 = | |
466 | lookup_hostname(server_p->connect_host, AF_INET6, conf_connect_dns_callback, server_p); | |
467 | #endif | |
468 | } | |
469 | ||
470 | if(server_p->bind_host) | |
471 | { | |
472 | server_p->dns_query_bind4 = | |
473 | lookup_hostname(server_p->bind_host, AF_INET, conf_bind_dns_callback, server_p); | |
474 | #ifdef RB_IPV6 | |
475 | server_p->dns_query_bind6 = | |
476 | lookup_hostname(server_p->bind_host, AF_INET6, conf_bind_dns_callback, server_p); | |
477 | #endif | |
478 | } | |
479 | } | |
480 | ||
481 | struct server_conf * | |
482 | find_server_conf(const char *name) | |
483 | { | |
484 | struct server_conf *server_p; | |
485 | rb_dlink_node *ptr; | |
486 | ||
487 | RB_DLINK_FOREACH(ptr, server_conf_list.head) | |
488 | { | |
489 | server_p = ptr->data; | |
490 | ||
491 | if(ServerConfIllegal(server_p)) | |
492 | continue; | |
493 | ||
494 | if(match(name, server_p->name)) | |
495 | return server_p; | |
496 | } | |
497 | ||
498 | return NULL; | |
499 | } | |
500 | ||
501 | void | |
502 | attach_server_conf(struct Client *client_p, struct server_conf *server_p) | |
503 | { | |
504 | /* already have an attached conf */ | |
505 | if(client_p->localClient->att_sconf) | |
506 | { | |
507 | /* short circuit this special case :) */ | |
508 | if(client_p->localClient->att_sconf == server_p) | |
509 | return; | |
510 | ||
511 | detach_server_conf(client_p); | |
512 | } | |
513 | ||
514 | CurrUsers(server_p->class)++; | |
515 | ||
516 | client_p->localClient->att_sconf = server_p; | |
517 | server_p->servers++; | |
518 | } | |
519 | ||
520 | void | |
521 | detach_server_conf(struct Client *client_p) | |
522 | { | |
523 | struct server_conf *server_p = client_p->localClient->att_sconf; | |
524 | ||
525 | if(server_p == NULL) | |
526 | return; | |
527 | ||
528 | client_p->localClient->att_sconf = NULL; | |
529 | server_p->servers--; | |
530 | CurrUsers(server_p->class)--; | |
531 | ||
532 | if(ServerConfIllegal(server_p) && !server_p->servers) | |
533 | { | |
534 | /* the class this one is using may need destroying too */ | |
535 | if(MaxUsers(server_p->class) < 0 && CurrUsers(server_p->class) <= 0) | |
536 | free_class(server_p->class); | |
537 | ||
538 | rb_dlinkDelete(&server_p->node, &server_conf_list); | |
539 | free_server_conf(server_p); | |
540 | } | |
541 | } | |
542 | ||
543 | void | |
544 | set_server_conf_autoconn(struct Client *source_p, const char *name, int newval) | |
545 | { | |
546 | struct server_conf *server_p; | |
547 | ||
548 | if((server_p = find_server_conf(name)) != NULL) | |
549 | { | |
550 | if(newval) | |
551 | server_p->flags |= SERVER_AUTOCONN; | |
552 | else | |
553 | server_p->flags &= ~SERVER_AUTOCONN; | |
554 | ||
555 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
556 | "%s has changed AUTOCONN for %s to %i", | |
557 | get_oper_name(source_p), name, newval); | |
558 | } | |
559 | else | |
560 | sendto_one_notice(source_p, ":Can't find %s", name); | |
561 | } | |
562 | ||
563 | void | |
564 | disable_server_conf_autoconn(const char *name) | |
565 | { | |
566 | struct server_conf *server_p; | |
567 | ||
568 | server_p = find_server_conf(name); | |
569 | if(server_p != NULL && server_p->flags & SERVER_AUTOCONN) | |
570 | { | |
571 | server_p->flags &= ~SERVER_AUTOCONN; | |
572 | ||
573 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
574 | "Disabling AUTOCONN for %s because of error", | |
575 | name); | |
576 | ilog(L_SERVER, "Disabling AUTOCONN for %s because of error", | |
577 | name); | |
578 | } | |
579 | } | |
580 | ||
581 | struct ConfItem * | |
582 | find_xline(const char *gecos, int counter) | |
583 | { | |
584 | struct ConfItem *aconf; | |
585 | rb_dlink_node *ptr; | |
586 | ||
587 | RB_DLINK_FOREACH(ptr, xline_conf_list.head) | |
588 | { | |
589 | aconf = ptr->data; | |
590 | ||
591 | if(match_esc(aconf->host, gecos)) | |
592 | { | |
593 | if(counter) | |
594 | aconf->port++; | |
595 | return aconf; | |
596 | } | |
597 | } | |
598 | ||
599 | return NULL; | |
600 | } | |
601 | ||
602 | struct ConfItem * | |
603 | find_xline_mask(const char *gecos) | |
604 | { | |
605 | struct ConfItem *aconf; | |
606 | rb_dlink_node *ptr; | |
607 | ||
608 | RB_DLINK_FOREACH(ptr, xline_conf_list.head) | |
609 | { | |
610 | aconf = ptr->data; | |
611 | ||
612 | if(!irccmp(aconf->host, gecos)) | |
613 | return aconf; | |
614 | } | |
615 | ||
616 | return NULL; | |
617 | } | |
618 | ||
619 | struct ConfItem * | |
620 | find_nick_resv(const char *name) | |
621 | { | |
622 | struct ConfItem *aconf; | |
623 | rb_dlink_node *ptr; | |
624 | ||
625 | RB_DLINK_FOREACH(ptr, resv_conf_list.head) | |
626 | { | |
627 | aconf = ptr->data; | |
628 | ||
629 | if(match_esc(aconf->host, name)) | |
630 | { | |
631 | aconf->port++; | |
632 | return aconf; | |
633 | } | |
634 | } | |
635 | ||
636 | return NULL; | |
637 | } | |
638 | ||
639 | struct ConfItem * | |
640 | find_nick_resv_mask(const char *name) | |
641 | { | |
642 | struct ConfItem *aconf; | |
643 | rb_dlink_node *ptr; | |
644 | ||
645 | RB_DLINK_FOREACH(ptr, resv_conf_list.head) | |
646 | { | |
647 | aconf = ptr->data; | |
648 | ||
649 | if(!irccmp(aconf->host, name)) | |
650 | return aconf; | |
651 | } | |
652 | ||
653 | return NULL; | |
654 | } | |
655 | ||
656 | /* clean_resv_nick() | |
657 | * | |
658 | * inputs - nick | |
659 | * outputs - 1 if nick is vaild resv, 0 otherwise | |
660 | * side effects - | |
661 | */ | |
662 | int | |
663 | clean_resv_nick(const char *nick) | |
664 | { | |
665 | char tmpch; | |
666 | int as = 0; | |
667 | int q = 0; | |
668 | int ch = 0; | |
669 | ||
670 | if(*nick == '-' || IsDigit(*nick)) | |
671 | return 0; | |
672 | ||
673 | while ((tmpch = *nick++)) | |
674 | { | |
675 | if(tmpch == '?' || tmpch == '@' || tmpch == '#') | |
676 | q++; | |
677 | else if(tmpch == '*') | |
678 | as++; | |
679 | else if(IsNickChar(tmpch)) | |
680 | ch++; | |
681 | else | |
682 | return 0; | |
683 | } | |
684 | ||
685 | if(!ch && as) | |
686 | return 0; | |
687 | ||
688 | return 1; | |
689 | } | |
690 | ||
691 | /* valid_wild_card_simple() | |
692 | * | |
693 | * inputs - "thing" to test | |
694 | * outputs - 1 if enough wildcards, else 0 | |
695 | * side effects - | |
696 | */ | |
697 | int | |
698 | valid_wild_card_simple(const char *data) | |
699 | { | |
700 | const char *p; | |
701 | char tmpch; | |
702 | int nonwild = 0; | |
703 | int wild = 0; | |
704 | ||
705 | /* check the string for minimum number of nonwildcard chars */ | |
706 | p = data; | |
707 | ||
708 | while((tmpch = *p++)) | |
709 | { | |
710 | /* found an escape, p points to the char after it, so skip | |
711 | * that and move on. | |
712 | */ | |
713 | if(tmpch == '\\' && *p) | |
714 | { | |
715 | p++; | |
716 | if(++nonwild >= ConfigFileEntry.min_nonwildcard_simple) | |
717 | return 1; | |
718 | } | |
719 | else if(!IsMWildChar(tmpch)) | |
720 | { | |
721 | /* if we have enough nonwildchars, return */ | |
722 | if(++nonwild >= ConfigFileEntry.min_nonwildcard_simple) | |
723 | return 1; | |
724 | } | |
725 | else | |
726 | wild++; | |
727 | } | |
728 | ||
729 | /* strings without wilds are also ok */ | |
730 | return wild == 0; | |
731 | } | |
732 | ||
733 | time_t | |
734 | valid_temp_time(const char *p) | |
735 | { | |
736 | time_t result = 0; | |
737 | ||
738 | while(*p) | |
739 | { | |
740 | if(IsDigit(*p)) | |
741 | { | |
742 | result *= 10; | |
743 | result += ((*p) & 0xF); | |
744 | p++; | |
745 | } | |
746 | else | |
747 | return -1; | |
748 | } | |
749 | ||
750 | if(result > (60 * 24 * 7 * 52)) | |
751 | result = (60 * 24 * 7 * 52); | |
752 | ||
753 | return(result * 60); | |
754 | } | |
755 | ||
756 | /* Propagated bans are expired elsewhere. */ | |
757 | static void | |
758 | expire_temp_rxlines(void *unused) | |
759 | { | |
760 | struct ConfItem *aconf; | |
761 | rb_dlink_node *ptr; | |
762 | rb_dlink_node *next_ptr; | |
763 | rb_radixtree_iteration_state state; | |
764 | ||
765 | RB_RADIXTREE_FOREACH(aconf, &state, resv_tree) | |
766 | { | |
767 | if(aconf->lifetime != 0) | |
768 | continue; | |
769 | if(aconf->hold && aconf->hold <= rb_current_time()) | |
770 | { | |
771 | if(ConfigFileEntry.tkline_expire_notices) | |
772 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
773 | "Temporary RESV for [%s] expired", | |
774 | aconf->host); | |
775 | ||
776 | rb_radixtree_delete(resv_tree, aconf->host); | |
777 | free_conf(aconf); | |
778 | } | |
779 | } | |
780 | ||
781 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head) | |
782 | { | |
783 | aconf = ptr->data; | |
784 | ||
785 | if(aconf->lifetime != 0) | |
786 | continue; | |
787 | if(aconf->hold && aconf->hold <= rb_current_time()) | |
788 | { | |
789 | if(ConfigFileEntry.tkline_expire_notices) | |
790 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
791 | "Temporary RESV for [%s] expired", | |
792 | aconf->host); | |
793 | free_conf(aconf); | |
794 | rb_dlinkDestroy(ptr, &resv_conf_list); | |
795 | } | |
796 | } | |
797 | ||
798 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head) | |
799 | { | |
800 | aconf = ptr->data; | |
801 | ||
802 | if(aconf->lifetime != 0) | |
803 | continue; | |
804 | if(aconf->hold && aconf->hold <= rb_current_time()) | |
805 | { | |
806 | if(ConfigFileEntry.tkline_expire_notices) | |
807 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
808 | "Temporary X-line for [%s] expired", | |
809 | aconf->host); | |
810 | free_conf(aconf); | |
811 | rb_dlinkDestroy(ptr, &xline_conf_list); | |
812 | } | |
813 | } | |
814 | } | |
815 | ||
816 | unsigned long | |
817 | get_nd_count(void) | |
818 | { | |
819 | return(rb_dlink_list_length(&nd_list)); | |
820 | } | |
821 | ||
822 | void | |
823 | add_nd_entry(const char *name) | |
824 | { | |
825 | struct nd_entry *nd; | |
826 | ||
827 | if(rb_dictionary_find(nd_dict, name) != NULL) | |
828 | return; | |
829 | ||
830 | nd = rb_bh_alloc(nd_heap); | |
831 | ||
832 | rb_strlcpy(nd->name, name, sizeof(nd->name)); | |
833 | nd->expire = rb_current_time() + ConfigFileEntry.nick_delay; | |
834 | ||
835 | /* this list is ordered */ | |
836 | rb_dlinkAddTail(nd, &nd->lnode, &nd_list); | |
837 | ||
838 | rb_dictionary_add(nd_dict, nd->name, nd); | |
839 | } | |
840 | ||
841 | void | |
842 | free_nd_entry(struct nd_entry *nd) | |
843 | { | |
844 | rb_dictionary_delete(nd_dict, nd->name); | |
845 | ||
846 | rb_dlinkDelete(&nd->lnode, &nd_list); | |
847 | rb_bh_free(nd_heap, nd); | |
848 | } | |
849 | ||
850 | void | |
851 | expire_nd_entries(void *unused) | |
852 | { | |
853 | struct nd_entry *nd; | |
854 | rb_dlink_node *ptr; | |
855 | rb_dlink_node *next_ptr; | |
856 | ||
857 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, nd_list.head) | |
858 | { | |
859 | nd = ptr->data; | |
860 | ||
861 | /* this list is ordered - we can stop when we hit the first | |
862 | * entry that doesnt expire.. | |
863 | */ | |
864 | if(nd->expire > rb_current_time()) | |
865 | return; | |
866 | ||
867 | free_nd_entry(nd); | |
868 | } | |
869 | } | |
870 | ||
871 | void | |
872 | add_tgchange(const char *host) | |
873 | { | |
874 | tgchange *target; | |
875 | rb_patricia_node_t *pnode; | |
876 | ||
877 | if(find_tgchange(host)) | |
878 | return; | |
879 | ||
880 | target = rb_malloc(sizeof(tgchange)); | |
881 | pnode = make_and_lookup(tgchange_tree, host); | |
882 | ||
883 | pnode->data = target; | |
884 | target->pnode = pnode; | |
885 | ||
886 | target->ip = rb_strdup(host); | |
887 | target->expiry = rb_current_time() + (60*60*12); | |
888 | ||
889 | rb_dlinkAdd(target, &target->node, &tgchange_list); | |
890 | } | |
891 | ||
892 | tgchange * | |
893 | find_tgchange(const char *host) | |
894 | { | |
895 | rb_patricia_node_t *pnode; | |
896 | ||
897 | if((pnode = rb_match_exact_string(tgchange_tree, host))) | |
898 | return pnode->data; | |
899 | ||
900 | return NULL; | |
901 | } |