1 |
/* |
2 |
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
3 |
* s_conf.c: Configuration file functions. |
4 |
* |
5 |
* Copyright (C) 2002 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 "ircd_defs.h" |
27 |
#include "tools.h" |
28 |
#include "s_conf.h" |
29 |
#include "s_serv.h" |
30 |
#include "resv.h" |
31 |
#include "s_stats.h" |
32 |
#include "channel.h" |
33 |
#include "client.h" |
34 |
#include "common.h" |
35 |
#include "event.h" |
36 |
#include "hash.h" |
37 |
#include "hook.h" |
38 |
#include "irc_string.h" |
39 |
#include "sprintf_irc.h" |
40 |
#include "s_bsd.h" |
41 |
#include "irc_getnameinfo.h" |
42 |
#include "irc_getaddrinfo.h" |
43 |
#include "ircd.h" |
44 |
#include "list.h" |
45 |
#include "listener.h" |
46 |
#include "hostmask.h" |
47 |
#include "modules.h" |
48 |
#include "numeric.h" |
49 |
#include "fdlist.h" |
50 |
#include "s_log.h" |
51 |
#include "send.h" |
52 |
#include "s_gline.h" |
53 |
#include "fileio.h" |
54 |
#include "memory.h" |
55 |
#include "irc_res.h" |
56 |
#include "userhost.h" |
57 |
#include "s_user.h" |
58 |
#include "channel_mode.h" |
59 |
|
60 |
struct Callback *client_check_cb = NULL; |
61 |
struct config_server_hide ConfigServerHide; |
62 |
|
63 |
/* general conf items link list root, other than k lines etc. */ |
64 |
dlink_list server_items = { NULL, NULL, 0 }; |
65 |
dlink_list cluster_items = { NULL, NULL, 0 }; |
66 |
dlink_list hub_items = { NULL, NULL, 0 }; |
67 |
dlink_list leaf_items = { NULL, NULL, 0 }; |
68 |
dlink_list oconf_items = { NULL, NULL, 0 }; |
69 |
dlink_list uconf_items = { NULL, NULL, 0 }; |
70 |
dlink_list xconf_items = { NULL, NULL, 0 }; |
71 |
dlink_list rxconf_items = { NULL, NULL, 0 }; |
72 |
dlink_list rkconf_items = { NULL, NULL, 0 }; |
73 |
dlink_list nresv_items = { NULL, NULL, 0 }; |
74 |
dlink_list class_items = { NULL, NULL, 0 }; |
75 |
dlink_list gdeny_items = { NULL, NULL, 0 }; |
76 |
|
77 |
dlink_list temporary_klines = { NULL, NULL, 0 }; |
78 |
dlink_list temporary_dlines = { NULL, NULL, 0 }; |
79 |
dlink_list temporary_xlines = { NULL, NULL, 0 }; |
80 |
dlink_list temporary_rklines = { NULL, NULL, 0 }; |
81 |
dlink_list temporary_glines = { NULL, NULL, 0 }; |
82 |
dlink_list temporary_rxlines = { NULL, NULL, 0 }; |
83 |
dlink_list temporary_resv = { NULL, NULL, 0 }; |
84 |
|
85 |
extern unsigned int lineno; |
86 |
extern char linebuf[]; |
87 |
extern char conffilebuf[IRCD_BUFSIZE]; |
88 |
extern char yytext[]; |
89 |
extern int yyparse(); /* defined in y.tab.c */ |
90 |
unsigned int scount = 0; /* used by yyparse(), etc */ |
91 |
int ypass = 1; /* used by yyparse() */ |
92 |
|
93 |
/* internally defined functions */ |
94 |
static void lookup_confhost(struct ConfItem *); |
95 |
static void set_default_conf(void); |
96 |
static void validate_conf(void); |
97 |
static void read_conf(FBFILE *); |
98 |
static void clear_out_old_conf(void); |
99 |
static void flush_deleted_I_P(void); |
100 |
static void expire_tklines(dlink_list *); |
101 |
static void garbage_collect_ip_entries(void); |
102 |
static int hash_ip(struct irc_ssaddr *); |
103 |
static int verify_access(struct Client *, const char *); |
104 |
static int attach_iline(struct Client *, struct ConfItem *); |
105 |
static struct ip_entry *find_or_add_ip(struct irc_ssaddr *); |
106 |
static void parse_conf_file(int, int); |
107 |
static dlink_list *map_to_list(ConfType); |
108 |
static struct AccessItem *find_regexp_kline(const char *[]); |
109 |
static int find_user_host(struct Client *, char *, char *, char *, unsigned int); |
110 |
|
111 |
/* |
112 |
* bit_len |
113 |
*/ |
114 |
static int cidr_limit_reached(int, struct irc_ssaddr *, struct ClassItem *); |
115 |
static void remove_from_cidr_check(struct irc_ssaddr *, struct ClassItem *); |
116 |
static void destroy_cidr_class(struct ClassItem *); |
117 |
|
118 |
static void flags_to_ascii(unsigned int, const unsigned int[], char *, int); |
119 |
|
120 |
FBFILE *conf_fbfile_in = NULL; |
121 |
|
122 |
/* address of default class conf */ |
123 |
static struct ConfItem *class_default; |
124 |
|
125 |
/* usually, with hash tables, you use a prime number... |
126 |
* but in this case I am dealing with ip addresses, |
127 |
* not ascii strings. |
128 |
*/ |
129 |
#define IP_HASH_SIZE 0x1000 |
130 |
|
131 |
struct ip_entry |
132 |
{ |
133 |
struct irc_ssaddr ip; |
134 |
int count; |
135 |
time_t last_attempt; |
136 |
struct ip_entry *next; |
137 |
}; |
138 |
|
139 |
static struct ip_entry *ip_hash_table[IP_HASH_SIZE]; |
140 |
static BlockHeap *ip_entry_heap = NULL; |
141 |
static int ip_entries_count = 0; |
142 |
|
143 |
|
144 |
inline void * |
145 |
map_to_conf(struct ConfItem *aconf) |
146 |
{ |
147 |
void *conf; |
148 |
conf = (void *)((unsigned long)aconf + |
149 |
(unsigned long)sizeof(struct ConfItem)); |
150 |
return(conf); |
151 |
} |
152 |
|
153 |
inline struct ConfItem * |
154 |
unmap_conf_item(void *aconf) |
155 |
{ |
156 |
struct ConfItem *conf; |
157 |
|
158 |
conf = (struct ConfItem *)((unsigned long)aconf - |
159 |
(unsigned long)sizeof(struct ConfItem)); |
160 |
return(conf); |
161 |
} |
162 |
|
163 |
/* conf_dns_callback() |
164 |
* |
165 |
* inputs - pointer to struct AccessItem |
166 |
* - pointer to DNSReply reply |
167 |
* output - none |
168 |
* side effects - called when resolver query finishes |
169 |
* if the query resulted in a successful search, hp will contain |
170 |
* a non-null pointer, otherwise hp will be null. |
171 |
* if successful save hp in the conf item it was called with |
172 |
*/ |
173 |
static void |
174 |
conf_dns_callback(void *vptr, struct DNSReply *reply) |
175 |
{ |
176 |
struct AccessItem *aconf = (struct AccessItem *)vptr; |
177 |
struct ConfItem *conf; |
178 |
|
179 |
MyFree(aconf->dns_query); |
180 |
aconf->dns_query = NULL; |
181 |
|
182 |
if (reply != NULL) |
183 |
memcpy(&aconf->ipnum, &reply->addr, sizeof(reply->addr)); |
184 |
else { |
185 |
ilog(L_NOTICE, "Host not found: %s, ignoring connect{} block", |
186 |
aconf->host); |
187 |
conf = unmap_conf_item(aconf); |
188 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
189 |
"Ignoring connect{} block for %s - host not found", |
190 |
conf->name); |
191 |
delete_conf_item(conf); |
192 |
} |
193 |
} |
194 |
|
195 |
/* conf_dns_lookup() |
196 |
* |
197 |
* do a nameserver lookup of the conf host |
198 |
* if the conf entry is currently doing a ns lookup do nothing, otherwise |
199 |
* allocate a dns_query and start ns lookup. |
200 |
*/ |
201 |
static void |
202 |
conf_dns_lookup(struct AccessItem *aconf) |
203 |
{ |
204 |
if (aconf->dns_query == NULL) |
205 |
{ |
206 |
aconf->dns_query = MyMalloc(sizeof(struct DNSQuery)); |
207 |
aconf->dns_query->ptr = aconf; |
208 |
aconf->dns_query->callback = conf_dns_callback; |
209 |
gethost_byname(aconf->host, aconf->dns_query); |
210 |
} |
211 |
} |
212 |
|
213 |
/* make_conf_item() |
214 |
* |
215 |
* inputs - type of item |
216 |
* output - pointer to new conf entry |
217 |
* side effects - none |
218 |
*/ |
219 |
struct ConfItem * |
220 |
make_conf_item(ConfType type) |
221 |
{ |
222 |
struct ConfItem *conf = NULL; |
223 |
struct AccessItem *aconf = NULL; |
224 |
struct ClassItem *aclass = NULL; |
225 |
int status = 0; |
226 |
|
227 |
switch (type) |
228 |
{ |
229 |
case DLINE_TYPE: |
230 |
case EXEMPTDLINE_TYPE: |
231 |
case GLINE_TYPE: |
232 |
case KLINE_TYPE: |
233 |
case CLIENT_TYPE: |
234 |
case OPER_TYPE: |
235 |
case SERVER_TYPE: |
236 |
conf = MyMalloc(sizeof(struct ConfItem) + |
237 |
sizeof(struct AccessItem)); |
238 |
aconf = map_to_conf(conf); |
239 |
aconf->aftype = AF_INET; |
240 |
|
241 |
/* Yes, sigh. switch on type again */ |
242 |
switch (type) |
243 |
{ |
244 |
case EXEMPTDLINE_TYPE: |
245 |
status = CONF_EXEMPTDLINE; |
246 |
break; |
247 |
|
248 |
case DLINE_TYPE: |
249 |
status = CONF_DLINE; |
250 |
break; |
251 |
|
252 |
case KLINE_TYPE: |
253 |
status = CONF_KLINE; |
254 |
break; |
255 |
|
256 |
case GLINE_TYPE: |
257 |
status = CONF_GLINE; |
258 |
break; |
259 |
|
260 |
case CLIENT_TYPE: |
261 |
status = CONF_CLIENT; |
262 |
break; |
263 |
|
264 |
case OPER_TYPE: |
265 |
status = CONF_OPERATOR; |
266 |
dlinkAdd(conf, &conf->node, &oconf_items); |
267 |
break; |
268 |
|
269 |
case SERVER_TYPE: |
270 |
status = CONF_SERVER; |
271 |
dlinkAdd(conf, &conf->node, &server_items); |
272 |
break; |
273 |
|
274 |
default: |
275 |
break; |
276 |
} |
277 |
aconf->status = status; |
278 |
break; |
279 |
|
280 |
case LEAF_TYPE: |
281 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
282 |
sizeof(struct MatchItem)); |
283 |
dlinkAdd(conf, &conf->node, &leaf_items); |
284 |
break; |
285 |
|
286 |
case HUB_TYPE: |
287 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
288 |
sizeof(struct MatchItem)); |
289 |
dlinkAdd(conf, &conf->node, &hub_items); |
290 |
break; |
291 |
|
292 |
case ULINE_TYPE: |
293 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
294 |
sizeof(struct MatchItem)); |
295 |
dlinkAdd(conf, &conf->node, &uconf_items); |
296 |
break; |
297 |
|
298 |
case GDENY_TYPE: |
299 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
300 |
sizeof(struct AccessItem)); |
301 |
dlinkAddTail(conf, &conf->node, &gdeny_items); |
302 |
break; |
303 |
|
304 |
case XLINE_TYPE: |
305 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
306 |
sizeof(struct MatchItem)); |
307 |
dlinkAdd(conf, &conf->node, &xconf_items); |
308 |
break; |
309 |
|
310 |
case RXLINE_TYPE: |
311 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
312 |
sizeof(struct MatchItem)); |
313 |
dlinkAdd(conf, &conf->node, &rxconf_items); |
314 |
break; |
315 |
|
316 |
case RKLINE_TYPE: |
317 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
318 |
sizeof(struct AccessItem)); |
319 |
aconf = map_to_conf(conf); |
320 |
aconf->status = CONF_KLINE; |
321 |
dlinkAdd(conf, &conf->node, &rkconf_items); |
322 |
break; |
323 |
|
324 |
case CLUSTER_TYPE: |
325 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem)); |
326 |
dlinkAdd(conf, &conf->node, &cluster_items); |
327 |
break; |
328 |
|
329 |
case CRESV_TYPE: |
330 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
331 |
sizeof(struct ResvChannel)); |
332 |
break; |
333 |
|
334 |
case NRESV_TYPE: |
335 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
336 |
sizeof(struct MatchItem)); |
337 |
dlinkAdd(conf, &conf->node, &nresv_items); |
338 |
break; |
339 |
|
340 |
case CLASS_TYPE: |
341 |
conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) + |
342 |
sizeof(struct ClassItem)); |
343 |
dlinkAdd(conf, &conf->node, &class_items); |
344 |
aclass = (struct ClassItem *)map_to_conf(conf); |
345 |
ConFreq(aclass) = DEFAULT_CONNECTFREQUENCY; |
346 |
PingFreq(aclass) = DEFAULT_PINGFREQUENCY; |
347 |
MaxTotal(aclass) = MAXIMUM_LINKS_DEFAULT; |
348 |
MaxSendq(aclass) = DEFAULT_SENDQ; |
349 |
CurrUserCount(aclass) = 0; |
350 |
break; |
351 |
|
352 |
default: |
353 |
conf = NULL; |
354 |
break; |
355 |
} |
356 |
|
357 |
/* XXX Yes, this will core if default is hit. I want it to for now - db */ |
358 |
conf->type = type; |
359 |
|
360 |
return(conf); |
361 |
} |
362 |
|
363 |
void |
364 |
delete_conf_item(struct ConfItem *conf) |
365 |
{ |
366 |
struct MatchItem *match_item; |
367 |
struct AccessItem *aconf; |
368 |
ConfType type = conf->type; |
369 |
|
370 |
MyFree(conf->name); |
371 |
conf->name = NULL; |
372 |
|
373 |
switch(type) |
374 |
{ |
375 |
case DLINE_TYPE: |
376 |
case EXEMPTDLINE_TYPE: |
377 |
case GLINE_TYPE: |
378 |
case KLINE_TYPE: |
379 |
case CLIENT_TYPE: |
380 |
case OPER_TYPE: |
381 |
case SERVER_TYPE: |
382 |
aconf = map_to_conf(conf); |
383 |
|
384 |
if (aconf->dns_query != NULL) |
385 |
{ |
386 |
delete_resolver_queries(aconf->dns_query); |
387 |
MyFree(aconf->dns_query); |
388 |
} |
389 |
if (aconf->passwd != NULL) |
390 |
memset(aconf->passwd, 0, strlen(aconf->passwd)); |
391 |
if (aconf->spasswd != NULL) |
392 |
memset(aconf->spasswd, 0, strlen(aconf->spasswd)); |
393 |
aconf->class_ptr = NULL; |
394 |
|
395 |
MyFree(aconf->passwd); |
396 |
MyFree(aconf->spasswd); |
397 |
MyFree(aconf->reason); |
398 |
MyFree(aconf->oper_reason); |
399 |
MyFree(aconf->user); |
400 |
MyFree(aconf->host); |
401 |
MyFree(aconf->fakename); |
402 |
#ifdef HAVE_LIBCRYPTO |
403 |
if (aconf->rsa_public_key) |
404 |
RSA_free(aconf->rsa_public_key); |
405 |
MyFree(aconf->rsa_public_key_file); |
406 |
#endif |
407 |
|
408 |
/* Yes, sigh. switch on type again */ |
409 |
switch(type) |
410 |
{ |
411 |
case EXEMPTDLINE_TYPE: |
412 |
case DLINE_TYPE: |
413 |
case GLINE_TYPE: |
414 |
case KLINE_TYPE: |
415 |
case CLIENT_TYPE: |
416 |
MyFree(conf); |
417 |
break; |
418 |
|
419 |
case OPER_TYPE: |
420 |
aconf = map_to_conf(conf); |
421 |
if (!IsConfIllegal(aconf)) |
422 |
dlinkDelete(&conf->node, &oconf_items); |
423 |
MyFree(conf); |
424 |
break; |
425 |
|
426 |
case SERVER_TYPE: |
427 |
aconf = map_to_conf(conf); |
428 |
if (!IsConfIllegal(aconf)) |
429 |
dlinkDelete(&conf->node, &server_items); |
430 |
MyFree(conf); |
431 |
break; |
432 |
|
433 |
default: |
434 |
break; |
435 |
} |
436 |
break; |
437 |
|
438 |
case HUB_TYPE: |
439 |
match_item = map_to_conf(conf); |
440 |
MyFree(match_item->user); |
441 |
MyFree(match_item->host); |
442 |
MyFree(match_item->reason); |
443 |
MyFree(match_item->oper_reason); |
444 |
/* If marked illegal, its already been pulled off of the hub_items list */ |
445 |
if (!match_item->illegal) |
446 |
dlinkDelete(&conf->node, &hub_items); |
447 |
MyFree(conf); |
448 |
break; |
449 |
|
450 |
case LEAF_TYPE: |
451 |
match_item = map_to_conf(conf); |
452 |
MyFree(match_item->user); |
453 |
MyFree(match_item->host); |
454 |
MyFree(match_item->reason); |
455 |
MyFree(match_item->oper_reason); |
456 |
/* If marked illegal, its already been pulled off of the leaf_items list */ |
457 |
if (!match_item->illegal) |
458 |
dlinkDelete(&conf->node, &leaf_items); |
459 |
MyFree(conf); |
460 |
break; |
461 |
|
462 |
case ULINE_TYPE: |
463 |
match_item = map_to_conf(conf); |
464 |
MyFree(match_item->user); |
465 |
MyFree(match_item->host); |
466 |
MyFree(match_item->reason); |
467 |
MyFree(match_item->oper_reason); |
468 |
dlinkDelete(&conf->node, &uconf_items); |
469 |
MyFree(conf); |
470 |
break; |
471 |
|
472 |
case XLINE_TYPE: |
473 |
match_item = map_to_conf(conf); |
474 |
MyFree(match_item->user); |
475 |
MyFree(match_item->host); |
476 |
MyFree(match_item->reason); |
477 |
MyFree(match_item->oper_reason); |
478 |
dlinkDelete(&conf->node, &xconf_items); |
479 |
MyFree(conf); |
480 |
break; |
481 |
|
482 |
case RKLINE_TYPE: |
483 |
aconf = map_to_conf(conf); |
484 |
MyFree(aconf->regexuser); |
485 |
MyFree(aconf->regexhost); |
486 |
MyFree(aconf->user); |
487 |
MyFree(aconf->host); |
488 |
MyFree(aconf->reason); |
489 |
MyFree(aconf->oper_reason); |
490 |
dlinkDelete(&conf->node, &rkconf_items); |
491 |
MyFree(conf); |
492 |
break; |
493 |
|
494 |
case RXLINE_TYPE: |
495 |
MyFree(conf->regexpname); |
496 |
match_item = map_to_conf(conf); |
497 |
MyFree(match_item->user); |
498 |
MyFree(match_item->host); |
499 |
MyFree(match_item->reason); |
500 |
MyFree(match_item->oper_reason); |
501 |
dlinkDelete(&conf->node, &rxconf_items); |
502 |
MyFree(conf); |
503 |
break; |
504 |
|
505 |
case NRESV_TYPE: |
506 |
match_item = map_to_conf(conf); |
507 |
MyFree(match_item->user); |
508 |
MyFree(match_item->host); |
509 |
MyFree(match_item->reason); |
510 |
MyFree(match_item->oper_reason); |
511 |
dlinkDelete(&conf->node, &nresv_items); |
512 |
MyFree(conf); |
513 |
break; |
514 |
|
515 |
case GDENY_TYPE: |
516 |
aconf = map_to_conf(conf); |
517 |
MyFree(aconf->user); |
518 |
MyFree(aconf->host); |
519 |
dlinkDelete(&conf->node, &gdeny_items); |
520 |
MyFree(conf); |
521 |
break; |
522 |
|
523 |
case CLUSTER_TYPE: |
524 |
dlinkDelete(&conf->node, &cluster_items); |
525 |
MyFree(conf); |
526 |
break; |
527 |
|
528 |
case CRESV_TYPE: |
529 |
MyFree(conf); |
530 |
break; |
531 |
|
532 |
case CLASS_TYPE: |
533 |
dlinkDelete(&conf->node, &class_items); |
534 |
MyFree(conf); |
535 |
break; |
536 |
|
537 |
default: |
538 |
break; |
539 |
} |
540 |
} |
541 |
|
542 |
/* free_access_item() |
543 |
* |
544 |
* inputs - pointer to conf to free |
545 |
* output - none |
546 |
* side effects - crucial password fields are zeroed, conf is freed |
547 |
*/ |
548 |
void |
549 |
free_access_item(struct AccessItem *aconf) |
550 |
{ |
551 |
struct ConfItem *conf; |
552 |
|
553 |
if (aconf == NULL) |
554 |
return; |
555 |
conf = unmap_conf_item(aconf); |
556 |
delete_conf_item(conf); |
557 |
} |
558 |
|
559 |
static const unsigned int shared_bit_table[] = |
560 |
{ 'K', 'k', 'U', 'X', 'x', 'Y', 'Q', 'q', 'R', 'L', 0}; |
561 |
|
562 |
/* report_confitem_types() |
563 |
* |
564 |
* inputs - pointer to client requesting confitem report |
565 |
* - ConfType to report |
566 |
* output - none |
567 |
* side effects - |
568 |
*/ |
569 |
void |
570 |
report_confitem_types(struct Client *source_p, ConfType type, int temp) |
571 |
{ |
572 |
dlink_node *ptr = NULL; |
573 |
struct ConfItem *conf = NULL; |
574 |
struct AccessItem *aconf = NULL; |
575 |
struct MatchItem *matchitem = NULL; |
576 |
struct ClassItem *classitem = NULL; |
577 |
char buf[12]; |
578 |
char *p = NULL; |
579 |
|
580 |
switch (type) |
581 |
{ |
582 |
case GDENY_TYPE: |
583 |
DLINK_FOREACH(ptr, gdeny_items.head) |
584 |
{ |
585 |
conf = ptr->data; |
586 |
aconf = map_to_conf(conf); |
587 |
|
588 |
p = buf; |
589 |
|
590 |
if (aconf->flags & GDENY_BLOCK) |
591 |
*p++ = 'B'; |
592 |
else |
593 |
*p++ = 'b'; |
594 |
|
595 |
if (aconf->flags & GDENY_REJECT) |
596 |
*p++ = 'R'; |
597 |
else |
598 |
*p++ = 'r'; |
599 |
|
600 |
*p = '\0'; |
601 |
|
602 |
sendto_one(source_p, ":%s %d %s V %s@%s %s %s", |
603 |
me.name, RPL_STATSDEBUG, source_p->name, |
604 |
aconf->user, aconf->host, conf->name, buf); |
605 |
} |
606 |
break; |
607 |
|
608 |
case XLINE_TYPE: |
609 |
DLINK_FOREACH(ptr, xconf_items.head) |
610 |
{ |
611 |
conf = ptr->data; |
612 |
matchitem = map_to_conf(conf); |
613 |
|
614 |
sendto_one(source_p, form_str(RPL_STATSXLINE), |
615 |
me.name, source_p->name, |
616 |
matchitem->hold ? "x": "X", matchitem->count, |
617 |
conf->name, matchitem->reason); |
618 |
} |
619 |
break; |
620 |
|
621 |
case RXLINE_TYPE: |
622 |
DLINK_FOREACH(ptr, rxconf_items.head) |
623 |
{ |
624 |
conf = ptr->data; |
625 |
matchitem = map_to_conf(conf); |
626 |
|
627 |
sendto_one(source_p, form_str(RPL_STATSXLINE), |
628 |
me.name, source_p->name, |
629 |
matchitem->hold ? "xR": "XR", matchitem->count, |
630 |
conf->name, matchitem->reason); |
631 |
} |
632 |
break; |
633 |
|
634 |
case RKLINE_TYPE: |
635 |
p = temp ? "Rk" : "RK"; |
636 |
|
637 |
DLINK_FOREACH(ptr, rkconf_items.head) |
638 |
{ |
639 |
aconf = map_to_conf((conf = ptr->data)); |
640 |
|
641 |
if (temp && !(conf->flags & CONF_FLAGS_TEMPORARY)) |
642 |
continue; |
643 |
|
644 |
sendto_one(source_p, form_str(RPL_STATSKLINE), me.name, |
645 |
source_p->name, p, aconf->host, aconf->user, |
646 |
aconf->reason, aconf->oper_reason ? aconf->oper_reason : ""); |
647 |
} |
648 |
break; |
649 |
|
650 |
case ULINE_TYPE: |
651 |
DLINK_FOREACH(ptr, uconf_items.head) |
652 |
{ |
653 |
conf = ptr->data; |
654 |
matchitem = map_to_conf(conf); |
655 |
|
656 |
p = buf; |
657 |
|
658 |
/* some of these are redundant for the sake of |
659 |
* consistency with cluster{} flags |
660 |
*/ |
661 |
*p++ = 'c'; |
662 |
flags_to_ascii(matchitem->action, shared_bit_table, p, 0); |
663 |
|
664 |
sendto_one(source_p, form_str(RPL_STATSULINE), |
665 |
me.name, source_p->name, conf->name, |
666 |
matchitem->user?matchitem->user: "*", |
667 |
matchitem->host?matchitem->host: "*", buf); |
668 |
} |
669 |
|
670 |
DLINK_FOREACH(ptr, cluster_items.head) |
671 |
{ |
672 |
conf = ptr->data; |
673 |
|
674 |
p = buf; |
675 |
|
676 |
*p++ = 'C'; |
677 |
flags_to_ascii(conf->flags, shared_bit_table, p, 0); |
678 |
|
679 |
sendto_one(source_p, form_str(RPL_STATSULINE), |
680 |
me.name, source_p->name, conf->name, |
681 |
"*", "*", buf); |
682 |
} |
683 |
|
684 |
break; |
685 |
|
686 |
case OPER_TYPE: |
687 |
DLINK_FOREACH(ptr, oconf_items.head) |
688 |
{ |
689 |
conf = ptr->data; |
690 |
aconf = map_to_conf(conf); |
691 |
|
692 |
/* Don't allow non opers to see oper privs */ |
693 |
if (IsOper(source_p)) |
694 |
sendto_one(source_p, form_str(RPL_STATSOLINE), |
695 |
me.name, source_p->name, 'O', aconf->user, aconf->host, |
696 |
conf->name, oper_privs_as_string(aconf->port), |
697 |
aconf->class_ptr ? aconf->class_ptr->name : "<default>"); |
698 |
else |
699 |
sendto_one(source_p, form_str(RPL_STATSOLINE), |
700 |
me.name, source_p->name, 'O', aconf->user, aconf->host, |
701 |
conf->name, "0", |
702 |
aconf->class_ptr ? aconf->class_ptr->name : "<default>"); |
703 |
} |
704 |
break; |
705 |
|
706 |
case CLASS_TYPE: |
707 |
DLINK_FOREACH(ptr, class_items.head) |
708 |
{ |
709 |
conf = ptr->data; |
710 |
classitem = map_to_conf(conf); |
711 |
sendto_one(source_p, form_str(RPL_STATSYLINE), |
712 |
me.name, source_p->name, 'Y', |
713 |
conf->name, PingFreq(classitem), |
714 |
ConFreq(classitem), |
715 |
MaxTotal(classitem), MaxSendq(classitem)); |
716 |
} |
717 |
break; |
718 |
|
719 |
case CONF_TYPE: |
720 |
case CLIENT_TYPE: |
721 |
break; |
722 |
|
723 |
case SERVER_TYPE: |
724 |
DLINK_FOREACH(ptr, server_items.head) |
725 |
{ |
726 |
p = buf; |
727 |
|
728 |
conf = ptr->data; |
729 |
aconf = map_to_conf(conf); |
730 |
|
731 |
buf[0] = '\0'; |
732 |
|
733 |
if (IsConfAllowAutoConn(aconf)) |
734 |
*p++ = 'A'; |
735 |
if (IsConfCryptLink(aconf)) |
736 |
*p++ = 'C'; |
737 |
if (IsConfLazyLink(aconf)) |
738 |
*p++ = 'L'; |
739 |
if (aconf->fakename) |
740 |
*p++ = 'M'; |
741 |
if (IsConfTopicBurst(aconf)) |
742 |
*p++ = 'T'; |
743 |
if (IsConfCompressed(aconf)) |
744 |
*p++ = 'Z'; |
745 |
if (buf[0] == '\0') |
746 |
*p++ = '*'; |
747 |
|
748 |
*p = '\0'; |
749 |
|
750 |
/* Allow admins to see actual ips |
751 |
* unless hide_server_ips is enabled |
752 |
*/ |
753 |
if (!ConfigServerHide.hide_server_ips && IsAdmin(source_p)) |
754 |
sendto_one(source_p, form_str(RPL_STATSCLINE), |
755 |
me.name, source_p->name, 'C', aconf->host, |
756 |
buf, conf->name, aconf->port, |
757 |
aconf->class_ptr ? aconf->class_ptr->name : "<default>"); |
758 |
else |
759 |
sendto_one(source_p, form_str(RPL_STATSCLINE), |
760 |
me.name, source_p->name, 'C', |
761 |
"*@127.0.0.1", buf, conf->name, aconf->port, |
762 |
aconf->class_ptr ? aconf->class_ptr->name : "<default>"); |
763 |
} |
764 |
break; |
765 |
|
766 |
case HUB_TYPE: |
767 |
DLINK_FOREACH(ptr, hub_items.head) |
768 |
{ |
769 |
conf = ptr->data; |
770 |
matchitem = map_to_conf(conf); |
771 |
sendto_one(source_p, form_str(RPL_STATSHLINE), me.name, |
772 |
source_p->name, 'H', matchitem->host, conf->name, 0, "*"); |
773 |
} |
774 |
break; |
775 |
|
776 |
case LEAF_TYPE: |
777 |
DLINK_FOREACH(ptr, leaf_items.head) |
778 |
{ |
779 |
conf = ptr->data; |
780 |
matchitem = map_to_conf(conf); |
781 |
sendto_one(source_p, form_str(RPL_STATSLLINE), me.name, |
782 |
source_p->name, 'L', matchitem->host, conf->name, 0, "*"); |
783 |
} |
784 |
break; |
785 |
|
786 |
case GLINE_TYPE: |
787 |
case KLINE_TYPE: |
788 |
case DLINE_TYPE: |
789 |
case EXEMPTDLINE_TYPE: |
790 |
case CRESV_TYPE: |
791 |
case NRESV_TYPE: |
792 |
case CLUSTER_TYPE: |
793 |
break; |
794 |
} |
795 |
} |
796 |
|
797 |
/* check_client() |
798 |
* |
799 |
* inputs - pointer to client |
800 |
* output - 0 = Success |
801 |
* NOT_AUTHORIZED (-1) = Access denied (no I line match) |
802 |
* IRCD_SOCKET_ERROR (-2) = Bad socket. |
803 |
* I_LINE_FULL (-3) = I-line is full |
804 |
* TOO_MANY (-4) = Too many connections from hostname |
805 |
* BANNED_CLIENT (-5) = K-lined |
806 |
* side effects - Ordinary client access check. |
807 |
* Look for conf lines which have the same |
808 |
* status as the flags passed. |
809 |
*/ |
810 |
static void * |
811 |
check_client(va_list args) |
812 |
{ |
813 |
struct Client *source_p = va_arg(args, struct Client *); |
814 |
const char *username = va_arg(args, const char *); |
815 |
int i; |
816 |
|
817 |
/* I'm already in big trouble if source_p->localClient is NULL -db */ |
818 |
if ((i = verify_access(source_p, username))) |
819 |
{ |
820 |
ilog(L_INFO, "Access denied: %s[%s]", |
821 |
source_p->name, source_p->sockhost); |
822 |
} |
823 |
|
824 |
switch (i) |
825 |
{ |
826 |
case IRCD_SOCKET_ERROR: |
827 |
exit_client(source_p, &me, "Socket Error"); |
828 |
break; |
829 |
|
830 |
case TOO_MANY: |
831 |
sendto_realops_flags(UMODE_FULL, L_ALL, |
832 |
"Too many on IP for %s (%s).", |
833 |
get_client_name(source_p, SHOW_IP), |
834 |
source_p->sockhost); |
835 |
ilog(L_INFO,"Too many connections on IP from %s.", |
836 |
get_client_name(source_p, SHOW_IP)); |
837 |
ServerStats->is_ref++; |
838 |
exit_client(source_p, &me, "No more connections allowed on that IP"); |
839 |
break; |
840 |
|
841 |
case I_LINE_FULL: |
842 |
sendto_realops_flags(UMODE_FULL, L_ALL, |
843 |
"I-line is full for %s (%s).", |
844 |
get_client_name(source_p, SHOW_IP), |
845 |
source_p->sockhost); |
846 |
ilog(L_INFO,"Too many connections from %s.", |
847 |
get_client_name(source_p, SHOW_IP)); |
848 |
ServerStats->is_ref++; |
849 |
exit_client(source_p, &me, |
850 |
"No more connections allowed in your connection class"); |
851 |
break; |
852 |
|
853 |
case NOT_AUTHORIZED: |
854 |
{ |
855 |
static char ipaddr[HOSTIPLEN]; |
856 |
ServerStats->is_ref++; |
857 |
/* jdc - lists server name & port connections are on */ |
858 |
/* a purely cosmetical change */ |
859 |
irc_getnameinfo((struct sockaddr*)&source_p->localClient->ip, |
860 |
source_p->localClient->ip.ss_len, ipaddr, HOSTIPLEN, NULL, 0, |
861 |
NI_NUMERICHOST); |
862 |
sendto_realops_flags(UMODE_UNAUTH, L_ALL, |
863 |
"Unauthorized client connection from %s [%s] on [%s/%u].", |
864 |
get_client_name(source_p, SHOW_IP), |
865 |
ipaddr, |
866 |
source_p->localClient->listener->name, |
867 |
source_p->localClient->listener->port); |
868 |
ilog(L_INFO, |
869 |
"Unauthorized client connection from %s on [%s/%u].", |
870 |
get_client_name(source_p, SHOW_IP), |
871 |
source_p->localClient->listener->name, |
872 |
source_p->localClient->listener->port); |
873 |
|
874 |
/* XXX It is prolematical whether it is better to use the |
875 |
* capture reject code here or rely on the connecting too fast code. |
876 |
* - Dianora |
877 |
*/ |
878 |
if(REJECT_HOLD_TIME > 0) |
879 |
{ |
880 |
sendto_one(source_p, ":%s NOTICE %s :You are not authorized to use this server", |
881 |
me.name, source_p->name); |
882 |
source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME; |
883 |
SetCaptured(source_p); |
884 |
} |
885 |
else |
886 |
exit_client(source_p, &me, "You are not authorized to use this server"); |
887 |
break; |
888 |
} |
889 |
|
890 |
case BANNED_CLIENT: |
891 |
/* |
892 |
* Don't exit them immediately, play with them a bit. |
893 |
* - Dianora |
894 |
*/ |
895 |
if (REJECT_HOLD_TIME > 0) |
896 |
{ |
897 |
source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME; |
898 |
SetCaptured(source_p); |
899 |
} |
900 |
else |
901 |
exit_client(source_p, &me, "Banned"); |
902 |
ServerStats->is_ref++; |
903 |
break; |
904 |
|
905 |
case 0: |
906 |
default: |
907 |
break; |
908 |
} |
909 |
|
910 |
return (i < 0 ? NULL : source_p); |
911 |
} |
912 |
|
913 |
/* verify_access() |
914 |
* |
915 |
* inputs - pointer to client to verify |
916 |
* - pointer to proposed username |
917 |
* output - 0 if success -'ve if not |
918 |
* side effect - find the first (best) I line to attach. |
919 |
*/ |
920 |
static int |
921 |
verify_access(struct Client *client_p, const char *username) |
922 |
{ |
923 |
struct AccessItem *aconf = NULL, *rkconf = NULL; |
924 |
struct ConfItem *conf = NULL; |
925 |
char non_ident[USERLEN + 1] = { '~', '\0' }; |
926 |
const char *uhi[3]; |
927 |
|
928 |
if (IsGotId(client_p)) |
929 |
{ |
930 |
aconf = find_address_conf(client_p->host, client_p->username, |
931 |
&client_p->localClient->ip, |
932 |
client_p->localClient->aftype, |
933 |
client_p->localClient->passwd); |
934 |
} |
935 |
else |
936 |
{ |
937 |
strlcpy(non_ident+1, username, sizeof(non_ident)-1); |
938 |
aconf = find_address_conf(client_p->host,non_ident, |
939 |
&client_p->localClient->ip, |
940 |
client_p->localClient->aftype, |
941 |
client_p->localClient->passwd); |
942 |
} |
943 |
|
944 |
uhi[0] = IsGotId(client_p) ? client_p->username : non_ident; |
945 |
uhi[1] = client_p->host; |
946 |
uhi[2] = client_p->sockhost; |
947 |
|
948 |
rkconf = find_regexp_kline(uhi); |
949 |
|
950 |
if (aconf != NULL) |
951 |
{ |
952 |
if (IsConfClient(aconf) && !rkconf) |
953 |
{ |
954 |
conf = unmap_conf_item(aconf); |
955 |
|
956 |
if (IsConfRedir(aconf)) |
957 |
{ |
958 |
sendto_one(client_p, form_str(RPL_REDIR), |
959 |
me.name, client_p->name, |
960 |
conf->name ? conf->name : "", |
961 |
aconf->port); |
962 |
return(NOT_AUTHORIZED); |
963 |
} |
964 |
|
965 |
if (IsConfDoIdentd(aconf)) |
966 |
SetNeedId(client_p); |
967 |
|
968 |
/* Thanks for spoof idea amm */ |
969 |
if (IsConfDoSpoofIp(aconf)) |
970 |
{ |
971 |
conf = unmap_conf_item(aconf); |
972 |
|
973 |
if (!ConfigFileEntry.hide_spoof_ips && IsConfSpoofNotice(aconf)) |
974 |
sendto_realops_flags(UMODE_ALL, L_ADMIN, "%s spoofing: %s as %s", |
975 |
client_p->name, client_p->host, conf->name); |
976 |
strlcpy(client_p->host, conf->name, sizeof(client_p->host)); |
977 |
SetIPSpoof(client_p); |
978 |
} |
979 |
|
980 |
return(attach_iline(client_p, conf)); |
981 |
} |
982 |
else if (rkconf || IsConfKill(aconf) || (ConfigFileEntry.glines && IsConfGline(aconf))) |
983 |
{ |
984 |
/* XXX */ |
985 |
aconf = rkconf ? rkconf : aconf; |
986 |
if (IsConfGline(aconf)) |
987 |
sendto_one(client_p, ":%s NOTICE %s :*** G-lined", me.name, |
988 |
client_p->name); |
989 |
if (ConfigFileEntry.kline_with_reason) |
990 |
sendto_one(client_p, ":%s NOTICE %s :*** Banned %s", |
991 |
me.name, client_p->name, aconf->reason); |
992 |
return(BANNED_CLIENT); |
993 |
} |
994 |
} |
995 |
|
996 |
return(NOT_AUTHORIZED); |
997 |
} |
998 |
|
999 |
/* attach_iline() |
1000 |
* |
1001 |
* inputs - client pointer |
1002 |
* - conf pointer |
1003 |
* output - |
1004 |
* side effects - do actual attach |
1005 |
*/ |
1006 |
static int |
1007 |
attach_iline(struct Client *client_p, struct ConfItem *conf) |
1008 |
{ |
1009 |
struct AccessItem *aconf; |
1010 |
struct ClassItem *aclass; |
1011 |
struct ip_entry *ip_found; |
1012 |
int a_limit_reached = 0; |
1013 |
int local = 0, global = 0, ident = 0; |
1014 |
|
1015 |
ip_found = find_or_add_ip(&client_p->localClient->ip); |
1016 |
ip_found->count++; |
1017 |
SetIpHash(client_p); |
1018 |
|
1019 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1020 |
if (aconf->class_ptr == NULL) |
1021 |
return NOT_AUTHORIZED; /* If class is missing, this is best */ |
1022 |
|
1023 |
aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr); |
1024 |
|
1025 |
count_user_host(client_p->username, client_p->host, |
1026 |
&global, &local, &ident); |
1027 |
|
1028 |
/* XXX blah. go down checking the various silly limits |
1029 |
* setting a_limit_reached if any limit is reached. |
1030 |
* - Dianora |
1031 |
*/ |
1032 |
if (MaxTotal(aclass) != 0 && CurrUserCount(aclass) >= MaxTotal(aclass)) |
1033 |
a_limit_reached = 1; |
1034 |
else if (MaxPerIp(aclass) != 0 && ip_found->count >= MaxPerIp(aclass)) |
1035 |
a_limit_reached = 1; |
1036 |
else if (MaxLocal(aclass) != 0 && local >= MaxLocal(aclass)) |
1037 |
a_limit_reached = 1; |
1038 |
else if (MaxGlobal(aclass) != 0 && global >= MaxGlobal(aclass)) |
1039 |
a_limit_reached = 1; |
1040 |
else if (MaxIdent(aclass) != 0 && ident >= MaxIdent(aclass) && |
1041 |
client_p->username[0] != '~') |
1042 |
a_limit_reached = 1; |
1043 |
|
1044 |
if (a_limit_reached) |
1045 |
{ |
1046 |
if (!IsConfExemptLimits(aconf)) |
1047 |
return TOO_MANY; /* Already at maximum allowed */ |
1048 |
|
1049 |
sendto_one(client_p, |
1050 |
":%s NOTICE %s :*** Your connection class is full, " |
1051 |
"but you have exceed_limit = yes;", me.name, client_p->name); |
1052 |
} |
1053 |
|
1054 |
return attach_conf(client_p, conf); |
1055 |
} |
1056 |
|
1057 |
/* init_ip_hash_table() |
1058 |
* |
1059 |
* inputs - NONE |
1060 |
* output - NONE |
1061 |
* side effects - allocate memory for ip_entry(s) |
1062 |
* - clear the ip hash table |
1063 |
*/ |
1064 |
void |
1065 |
init_ip_hash_table(void) |
1066 |
{ |
1067 |
ip_entry_heap = BlockHeapCreate("ip", sizeof(struct ip_entry), |
1068 |
2 * hard_fdlimit); |
1069 |
memset(ip_hash_table, 0, sizeof(ip_hash_table)); |
1070 |
} |
1071 |
|
1072 |
/* find_or_add_ip() |
1073 |
* |
1074 |
* inputs - pointer to struct irc_ssaddr |
1075 |
* output - pointer to a struct ip_entry |
1076 |
* side effects - |
1077 |
* |
1078 |
* If the ip # was not found, a new struct ip_entry is created, and the ip |
1079 |
* count set to 0. |
1080 |
*/ |
1081 |
static struct ip_entry * |
1082 |
find_or_add_ip(struct irc_ssaddr *ip_in) |
1083 |
{ |
1084 |
struct ip_entry *ptr, *newptr; |
1085 |
int hash_index = hash_ip(ip_in), res; |
1086 |
struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4; |
1087 |
#ifdef IPV6 |
1088 |
struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6; |
1089 |
#endif |
1090 |
|
1091 |
for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next) |
1092 |
{ |
1093 |
#ifdef IPV6 |
1094 |
if (ptr->ip.ss.ss_family != ip_in->ss.ss_family) |
1095 |
continue; |
1096 |
if (ip_in->ss.ss_family == AF_INET6) |
1097 |
{ |
1098 |
ptr_v6 = (struct sockaddr_in6 *)&ptr->ip; |
1099 |
res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr)); |
1100 |
} |
1101 |
else |
1102 |
#endif |
1103 |
{ |
1104 |
ptr_v4 = (struct sockaddr_in *)&ptr->ip; |
1105 |
res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr)); |
1106 |
} |
1107 |
if (res == 0) |
1108 |
{ |
1109 |
/* Found entry already in hash, return it. */ |
1110 |
return ptr; |
1111 |
} |
1112 |
} |
1113 |
|
1114 |
if (ip_entries_count >= 2 * hard_fdlimit) |
1115 |
garbage_collect_ip_entries(); |
1116 |
|
1117 |
newptr = BlockHeapAlloc(ip_entry_heap); |
1118 |
ip_entries_count++; |
1119 |
memcpy(&newptr->ip, ip_in, sizeof(struct irc_ssaddr)); |
1120 |
|
1121 |
newptr->next = ip_hash_table[hash_index]; |
1122 |
ip_hash_table[hash_index] = newptr; |
1123 |
|
1124 |
return newptr; |
1125 |
} |
1126 |
|
1127 |
/* remove_one_ip() |
1128 |
* |
1129 |
* inputs - unsigned long IP address value |
1130 |
* output - NONE |
1131 |
* side effects - The ip address given, is looked up in ip hash table |
1132 |
* and number of ip#'s for that ip decremented. |
1133 |
* If ip # count reaches 0 and has expired, |
1134 |
* the struct ip_entry is returned to the ip_entry_heap |
1135 |
*/ |
1136 |
void |
1137 |
remove_one_ip(struct irc_ssaddr *ip_in) |
1138 |
{ |
1139 |
struct ip_entry *ptr; |
1140 |
struct ip_entry *last_ptr = NULL; |
1141 |
int hash_index = hash_ip(ip_in), res; |
1142 |
struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4; |
1143 |
#ifdef IPV6 |
1144 |
struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6; |
1145 |
#endif |
1146 |
|
1147 |
for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next) |
1148 |
{ |
1149 |
#ifdef IPV6 |
1150 |
if (ptr->ip.ss.ss_family != ip_in->ss.ss_family) |
1151 |
continue; |
1152 |
if (ip_in->ss.ss_family == AF_INET6) |
1153 |
{ |
1154 |
ptr_v6 = (struct sockaddr_in6 *)&ptr->ip; |
1155 |
res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr)); |
1156 |
} |
1157 |
else |
1158 |
#endif |
1159 |
{ |
1160 |
ptr_v4 = (struct sockaddr_in *)&ptr->ip; |
1161 |
res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr)); |
1162 |
} |
1163 |
if (res) |
1164 |
continue; |
1165 |
if (ptr->count > 0) |
1166 |
ptr->count--; |
1167 |
if (ptr->count == 0 && |
1168 |
(CurrentTime-ptr->last_attempt) >= ConfigFileEntry.throttle_time) |
1169 |
{ |
1170 |
if (last_ptr != NULL) |
1171 |
last_ptr->next = ptr->next; |
1172 |
else |
1173 |
ip_hash_table[hash_index] = ptr->next; |
1174 |
|
1175 |
BlockHeapFree(ip_entry_heap, ptr); |
1176 |
ip_entries_count--; |
1177 |
return; |
1178 |
} |
1179 |
last_ptr = ptr; |
1180 |
} |
1181 |
} |
1182 |
|
1183 |
/* hash_ip() |
1184 |
* |
1185 |
* input - pointer to an irc_inaddr |
1186 |
* output - integer value used as index into hash table |
1187 |
* side effects - hopefully, none |
1188 |
*/ |
1189 |
static int |
1190 |
hash_ip(struct irc_ssaddr *addr) |
1191 |
{ |
1192 |
if (addr->ss.ss_family == AF_INET) |
1193 |
{ |
1194 |
struct sockaddr_in *v4 = (struct sockaddr_in *)addr; |
1195 |
int hash; |
1196 |
u_int32_t ip; |
1197 |
|
1198 |
ip = ntohl(v4->sin_addr.s_addr); |
1199 |
hash = ((ip >> 12) + ip) & (IP_HASH_SIZE-1); |
1200 |
return hash; |
1201 |
} |
1202 |
#ifdef IPV6 |
1203 |
else |
1204 |
{ |
1205 |
int hash; |
1206 |
struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr; |
1207 |
u_int32_t *ip = (u_int32_t *)&v6->sin6_addr.s6_addr; |
1208 |
|
1209 |
hash = ip[0] ^ ip[3]; |
1210 |
hash ^= hash >> 16; |
1211 |
hash ^= hash >> 8; |
1212 |
hash = hash & (IP_HASH_SIZE - 1); |
1213 |
return hash; |
1214 |
} |
1215 |
#else |
1216 |
return 0; |
1217 |
#endif |
1218 |
} |
1219 |
|
1220 |
/* count_ip_hash() |
1221 |
* |
1222 |
* inputs - pointer to counter of number of ips hashed |
1223 |
* - pointer to memory used for ip hash |
1224 |
* output - returned via pointers input |
1225 |
* side effects - NONE |
1226 |
* |
1227 |
* number of hashed ip #'s is counted up, plus the amount of memory |
1228 |
* used in the hash. |
1229 |
*/ |
1230 |
void |
1231 |
count_ip_hash(int *number_ips_stored, unsigned long *mem_ips_stored) |
1232 |
{ |
1233 |
struct ip_entry *ptr; |
1234 |
int i; |
1235 |
|
1236 |
*number_ips_stored = 0; |
1237 |
*mem_ips_stored = 0; |
1238 |
|
1239 |
for (i = 0; i < IP_HASH_SIZE; i++) |
1240 |
{ |
1241 |
for (ptr = ip_hash_table[i]; ptr; ptr = ptr->next) |
1242 |
{ |
1243 |
*number_ips_stored += 1; |
1244 |
*mem_ips_stored += sizeof(struct ip_entry); |
1245 |
} |
1246 |
} |
1247 |
} |
1248 |
|
1249 |
/* garbage_collect_ip_entries() |
1250 |
* |
1251 |
* input - NONE |
1252 |
* output - NONE |
1253 |
* side effects - free up all ip entries with no connections |
1254 |
*/ |
1255 |
static void |
1256 |
garbage_collect_ip_entries(void) |
1257 |
{ |
1258 |
struct ip_entry *ptr; |
1259 |
struct ip_entry *last_ptr; |
1260 |
struct ip_entry *next_ptr; |
1261 |
int i; |
1262 |
|
1263 |
for (i = 0; i < IP_HASH_SIZE; i++) |
1264 |
{ |
1265 |
last_ptr = NULL; |
1266 |
|
1267 |
for (ptr = ip_hash_table[i]; ptr; ptr = next_ptr) |
1268 |
{ |
1269 |
next_ptr = ptr->next; |
1270 |
|
1271 |
if (ptr->count == 0 && |
1272 |
(CurrentTime - ptr->last_attempt) >= ConfigFileEntry.throttle_time) |
1273 |
{ |
1274 |
if (last_ptr != NULL) |
1275 |
last_ptr->next = ptr->next; |
1276 |
else |
1277 |
ip_hash_table[i] = ptr->next; |
1278 |
BlockHeapFree(ip_entry_heap, ptr); |
1279 |
ip_entries_count--; |
1280 |
} |
1281 |
else |
1282 |
last_ptr = ptr; |
1283 |
} |
1284 |
} |
1285 |
} |
1286 |
|
1287 |
/* detach_conf() |
1288 |
* |
1289 |
* inputs - pointer to client to detach |
1290 |
* - type of conf to detach |
1291 |
* output - 0 for success, -1 for failure |
1292 |
* side effects - Disassociate configuration from the client. |
1293 |
* Also removes a class from the list if marked for deleting. |
1294 |
*/ |
1295 |
int |
1296 |
detach_conf(struct Client *client_p, ConfType type) |
1297 |
{ |
1298 |
dlink_node *ptr, *next_ptr; |
1299 |
struct ConfItem *conf; |
1300 |
struct ClassItem *aclass; |
1301 |
struct AccessItem *aconf; |
1302 |
struct ConfItem *aclass_conf; |
1303 |
struct MatchItem *match_item; |
1304 |
|
1305 |
DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->confs.head) |
1306 |
{ |
1307 |
conf = ptr->data; |
1308 |
|
1309 |
if (type == CONF_TYPE || conf->type == type) |
1310 |
{ |
1311 |
dlinkDelete(ptr, &client_p->localClient->confs); |
1312 |
free_dlink_node(ptr); |
1313 |
|
1314 |
switch (conf->type) |
1315 |
{ |
1316 |
case CLIENT_TYPE: |
1317 |
case OPER_TYPE: |
1318 |
case SERVER_TYPE: |
1319 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1320 |
if ((aclass_conf = ClassPtr(aconf)) != NULL) |
1321 |
{ |
1322 |
aclass = (struct ClassItem *)map_to_conf(aclass_conf); |
1323 |
|
1324 |
if (conf->type == CLIENT_TYPE) |
1325 |
remove_from_cidr_check(&client_p->localClient->ip, aclass); |
1326 |
|
1327 |
if (CurrUserCount(aclass) > 0) |
1328 |
aclass->curr_user_count--; |
1329 |
if (MaxTotal(aclass) < 0 && CurrUserCount(aclass) <= 0) |
1330 |
delete_conf_item(aclass_conf); |
1331 |
} |
1332 |
|
1333 |
/* Please, no ioccc entries - Dianora */ |
1334 |
if (aconf->clients > 0) |
1335 |
--aconf->clients; |
1336 |
if (aconf->clients == 0 && IsConfIllegal(aconf)) |
1337 |
delete_conf_item(conf); |
1338 |
break; |
1339 |
case LEAF_TYPE: |
1340 |
case HUB_TYPE: |
1341 |
match_item = (struct MatchItem *)map_to_conf(conf); |
1342 |
if (match_item->ref_count == 0 && match_item->illegal) |
1343 |
delete_conf_item(conf); |
1344 |
break; |
1345 |
default: |
1346 |
break; |
1347 |
} |
1348 |
|
1349 |
if (type != CONF_TYPE) |
1350 |
return 0; |
1351 |
} |
1352 |
} |
1353 |
|
1354 |
return -1; |
1355 |
} |
1356 |
|
1357 |
/* attach_conf() |
1358 |
* |
1359 |
* inputs - client pointer |
1360 |
* - conf pointer |
1361 |
* output - |
1362 |
* side effects - Associate a specific configuration entry to a *local* |
1363 |
* client (this is the one which used in accepting the |
1364 |
* connection). Note, that this automatically changes the |
1365 |
* attachment if there was an old one... |
1366 |
*/ |
1367 |
int |
1368 |
attach_conf(struct Client *client_p, struct ConfItem *conf) |
1369 |
{ |
1370 |
struct AccessItem *aconf; |
1371 |
struct MatchItem *match_item; |
1372 |
|
1373 |
if (dlinkFind(&client_p->localClient->confs, conf) != NULL) |
1374 |
return 1; |
1375 |
|
1376 |
if (conf->type == CLIENT_TYPE || |
1377 |
conf->type == SERVER_TYPE || |
1378 |
conf->type == OPER_TYPE) |
1379 |
{ |
1380 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1381 |
|
1382 |
if (IsConfIllegal(aconf)) |
1383 |
return NOT_AUTHORIZED; |
1384 |
|
1385 |
if (conf->type == CLIENT_TYPE) |
1386 |
{ |
1387 |
struct ClassItem *aclass; |
1388 |
aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr); |
1389 |
|
1390 |
if (cidr_limit_reached(IsConfExemptLimits(aconf), |
1391 |
&client_p->localClient->ip, aclass)) |
1392 |
return TOO_MANY; /* Already at maximum allowed */ |
1393 |
|
1394 |
CurrUserCount(aclass)++; |
1395 |
} |
1396 |
|
1397 |
aconf->clients++; |
1398 |
} |
1399 |
else if (conf->type == HUB_TYPE || conf->type == LEAF_TYPE) |
1400 |
{ |
1401 |
match_item = (struct MatchItem *)map_to_conf(conf); |
1402 |
match_item->ref_count++; |
1403 |
} |
1404 |
|
1405 |
dlinkAdd(conf, make_dlink_node(), &client_p->localClient->confs); |
1406 |
|
1407 |
return 0; |
1408 |
} |
1409 |
|
1410 |
/* attach_connect_block() |
1411 |
* |
1412 |
* inputs - pointer to server to attach |
1413 |
* - name of server |
1414 |
* - hostname of server |
1415 |
* output - true (1) if both are found, otherwise return false (0) |
1416 |
* side effects - find connect block and attach them to connecting client |
1417 |
*/ |
1418 |
int |
1419 |
attach_connect_block(struct Client *client_p, const char *name, |
1420 |
const char *host) |
1421 |
{ |
1422 |
dlink_node *ptr; |
1423 |
struct ConfItem *conf; |
1424 |
struct AccessItem *aconf; |
1425 |
|
1426 |
assert(client_p != NULL); |
1427 |
assert(host != NULL); |
1428 |
|
1429 |
if (client_p == NULL || host == NULL) |
1430 |
return 0; |
1431 |
|
1432 |
DLINK_FOREACH(ptr, server_items.head) |
1433 |
{ |
1434 |
conf = ptr->data; |
1435 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1436 |
|
1437 |
if (match(conf->name, name) == 0 || match(aconf->host, host) == 0) |
1438 |
continue; |
1439 |
|
1440 |
attach_conf(client_p, conf); |
1441 |
return -1; |
1442 |
} |
1443 |
|
1444 |
return 0; |
1445 |
} |
1446 |
|
1447 |
/* find_conf_exact() |
1448 |
* |
1449 |
* inputs - type of ConfItem |
1450 |
* - pointer to name to find |
1451 |
* - pointer to username to find |
1452 |
* - pointer to host to find |
1453 |
* output - NULL or pointer to conf found |
1454 |
* side effects - find a conf entry which matches the hostname |
1455 |
* and has the same name. |
1456 |
*/ |
1457 |
struct ConfItem * |
1458 |
find_conf_exact(ConfType type, const char *name, const char *user, |
1459 |
const char *host) |
1460 |
{ |
1461 |
dlink_node *ptr; |
1462 |
dlink_list *list_p; |
1463 |
struct ConfItem *conf = NULL; |
1464 |
struct AccessItem *aconf; |
1465 |
|
1466 |
/* Only valid for OPER_TYPE and ...? */ |
1467 |
list_p = map_to_list(type); |
1468 |
|
1469 |
DLINK_FOREACH(ptr, (*list_p).head) |
1470 |
{ |
1471 |
conf = ptr->data; |
1472 |
|
1473 |
if (conf->name == NULL) |
1474 |
continue; |
1475 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1476 |
if (aconf->host == NULL) |
1477 |
continue; |
1478 |
if (irccmp(conf->name, name) != 0) |
1479 |
continue; |
1480 |
|
1481 |
/* |
1482 |
** Accept if the *real* hostname (usually sockethost) |
1483 |
** socket host) matches *either* host or name field |
1484 |
** of the configuration. |
1485 |
*/ |
1486 |
if (!match(aconf->host, host) || !match(aconf->user,user) |
1487 |
|| irccmp(conf->name, name) ) |
1488 |
continue; |
1489 |
if (type == OPER_TYPE) |
1490 |
{ |
1491 |
struct ClassItem *aclass; |
1492 |
|
1493 |
aclass = (struct ClassItem *)aconf->class_ptr; |
1494 |
if (aconf->clients < MaxTotal(aclass)) |
1495 |
return conf; |
1496 |
else |
1497 |
continue; |
1498 |
} |
1499 |
else |
1500 |
return conf; |
1501 |
} |
1502 |
return NULL; |
1503 |
} |
1504 |
|
1505 |
/* find_conf_name() |
1506 |
* |
1507 |
* inputs - pointer to conf link list to search |
1508 |
* - pointer to name to find |
1509 |
* - int mask of type of conf to find |
1510 |
* output - NULL or pointer to conf found |
1511 |
* side effects - find a conf entry which matches the name |
1512 |
* and has the given mask. |
1513 |
*/ |
1514 |
struct ConfItem * |
1515 |
find_conf_name(dlink_list *list, const char *name, ConfType type) |
1516 |
{ |
1517 |
dlink_node *ptr; |
1518 |
struct ConfItem* conf; |
1519 |
|
1520 |
DLINK_FOREACH(ptr, list->head) |
1521 |
{ |
1522 |
conf = ptr->data; |
1523 |
|
1524 |
if (conf->type == type) |
1525 |
{ |
1526 |
if (conf->name && (irccmp(conf->name, name) == 0 || |
1527 |
match(conf->name, name))) |
1528 |
return conf; |
1529 |
} |
1530 |
} |
1531 |
|
1532 |
return NULL; |
1533 |
} |
1534 |
|
1535 |
/* map_to_list() |
1536 |
* |
1537 |
* inputs - ConfType conf |
1538 |
* output - pointer to dlink_list to use |
1539 |
* side effects - none |
1540 |
*/ |
1541 |
static dlink_list * |
1542 |
map_to_list(ConfType type) |
1543 |
{ |
1544 |
switch(type) |
1545 |
{ |
1546 |
case RXLINE_TYPE: |
1547 |
return(&rxconf_items); |
1548 |
break; |
1549 |
case XLINE_TYPE: |
1550 |
return(&xconf_items); |
1551 |
break; |
1552 |
case ULINE_TYPE: |
1553 |
return(&uconf_items); |
1554 |
break; |
1555 |
case NRESV_TYPE: |
1556 |
return(&nresv_items); |
1557 |
break; |
1558 |
case OPER_TYPE: |
1559 |
return(&oconf_items); |
1560 |
break; |
1561 |
case CLASS_TYPE: |
1562 |
return(&class_items); |
1563 |
break; |
1564 |
case SERVER_TYPE: |
1565 |
return(&server_items); |
1566 |
break; |
1567 |
case CLUSTER_TYPE: |
1568 |
return(&cluster_items); |
1569 |
break; |
1570 |
case CONF_TYPE: |
1571 |
case GLINE_TYPE: |
1572 |
case KLINE_TYPE: |
1573 |
case DLINE_TYPE: |
1574 |
case CRESV_TYPE: |
1575 |
default: |
1576 |
return NULL; |
1577 |
} |
1578 |
} |
1579 |
|
1580 |
/* find_matching_name_conf() |
1581 |
* |
1582 |
* inputs - type of link list to look in |
1583 |
* - pointer to name string to find |
1584 |
* - pointer to user |
1585 |
* - pointer to host |
1586 |
* - optional action to match on as well |
1587 |
* output - NULL or pointer to found struct MatchItem |
1588 |
* side effects - looks for a match on name field |
1589 |
*/ |
1590 |
struct ConfItem * |
1591 |
find_matching_name_conf(ConfType type, const char *name, const char *user, |
1592 |
const char *host, int action) |
1593 |
{ |
1594 |
dlink_node *ptr=NULL; |
1595 |
struct ConfItem *conf=NULL; |
1596 |
struct AccessItem *aconf=NULL; |
1597 |
struct MatchItem *match_item=NULL; |
1598 |
dlink_list *list_p = map_to_list(type); |
1599 |
|
1600 |
switch (type) |
1601 |
{ |
1602 |
case RXLINE_TYPE: |
1603 |
DLINK_FOREACH(ptr, list_p->head) |
1604 |
{ |
1605 |
conf = ptr->data; |
1606 |
assert(conf->regexpname); |
1607 |
|
1608 |
if (!ircd_pcre_exec(conf->regexpname, name)) |
1609 |
return conf; |
1610 |
} |
1611 |
break; |
1612 |
|
1613 |
case XLINE_TYPE: |
1614 |
case ULINE_TYPE: |
1615 |
case NRESV_TYPE: |
1616 |
DLINK_FOREACH(ptr, list_p->head) |
1617 |
{ |
1618 |
conf = ptr->data; |
1619 |
|
1620 |
match_item = map_to_conf(conf); |
1621 |
if (EmptyString(conf->name)) |
1622 |
continue; |
1623 |
if ((name != NULL) && match_esc(conf->name, name)) |
1624 |
{ |
1625 |
if ((user == NULL && (host == NULL))) |
1626 |
return conf; |
1627 |
if ((match_item->action & action) != action) |
1628 |
continue; |
1629 |
if (EmptyString(match_item->user) || EmptyString(match_item->host)) |
1630 |
return conf; |
1631 |
if (match(match_item->user, user) && match(match_item->host, host)) |
1632 |
return conf; |
1633 |
} |
1634 |
} |
1635 |
break; |
1636 |
|
1637 |
case SERVER_TYPE: |
1638 |
DLINK_FOREACH(ptr, list_p->head) |
1639 |
{ |
1640 |
conf = ptr->data; |
1641 |
aconf = map_to_conf(conf); |
1642 |
|
1643 |
if ((name != NULL) && match_esc(name, conf->name)) |
1644 |
return conf; |
1645 |
else if ((host != NULL) && match_esc(host, aconf->host)) |
1646 |
return conf; |
1647 |
} |
1648 |
break; |
1649 |
|
1650 |
default: |
1651 |
break; |
1652 |
} |
1653 |
return NULL; |
1654 |
} |
1655 |
|
1656 |
/* find_exact_name_conf() |
1657 |
* |
1658 |
* inputs - type of link list to look in |
1659 |
* - pointer to name string to find |
1660 |
* - pointer to user |
1661 |
* - pointer to host |
1662 |
* output - NULL or pointer to found struct MatchItem |
1663 |
* side effects - looks for an exact match on name field |
1664 |
*/ |
1665 |
struct ConfItem * |
1666 |
find_exact_name_conf(ConfType type, const char *name, |
1667 |
const char *user, const char *host) |
1668 |
{ |
1669 |
dlink_node *ptr = NULL; |
1670 |
struct AccessItem *aconf; |
1671 |
struct ConfItem *conf; |
1672 |
struct MatchItem *match_item; |
1673 |
dlink_list *list_p; |
1674 |
|
1675 |
list_p = map_to_list(type); |
1676 |
|
1677 |
switch(type) |
1678 |
{ |
1679 |
case RXLINE_TYPE: |
1680 |
case XLINE_TYPE: |
1681 |
case ULINE_TYPE: |
1682 |
case NRESV_TYPE: |
1683 |
|
1684 |
DLINK_FOREACH(ptr, list_p->head) |
1685 |
{ |
1686 |
conf = ptr->data; |
1687 |
match_item = (struct MatchItem *)map_to_conf(conf); |
1688 |
if (EmptyString(conf->name)) |
1689 |
continue; |
1690 |
|
1691 |
if (irccmp(conf->name, name) == 0) |
1692 |
{ |
1693 |
if ((user == NULL && (host == NULL))) |
1694 |
return (conf); |
1695 |
if (EmptyString(match_item->user) || EmptyString(match_item->host)) |
1696 |
return (conf); |
1697 |
if (match(match_item->user, user) && match(match_item->host, host)) |
1698 |
return (conf); |
1699 |
} |
1700 |
} |
1701 |
break; |
1702 |
|
1703 |
case OPER_TYPE: |
1704 |
DLINK_FOREACH(ptr, list_p->head) |
1705 |
{ |
1706 |
conf = ptr->data; |
1707 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1708 |
if (EmptyString(conf->name)) |
1709 |
continue; |
1710 |
|
1711 |
if (irccmp(conf->name, name) == 0) |
1712 |
{ |
1713 |
if ((user == NULL && (host == NULL))) |
1714 |
return (conf); |
1715 |
if (EmptyString(aconf->user) || EmptyString(aconf->host)) |
1716 |
return (conf); |
1717 |
if (match(aconf->user, user) && match(aconf->host, host)) |
1718 |
return (conf); |
1719 |
} |
1720 |
} |
1721 |
break; |
1722 |
|
1723 |
case SERVER_TYPE: |
1724 |
DLINK_FOREACH(ptr, list_p->head) |
1725 |
{ |
1726 |
conf = ptr->data; |
1727 |
aconf = (struct AccessItem *)map_to_conf(conf); |
1728 |
if (EmptyString(conf->name)) |
1729 |
continue; |
1730 |
|
1731 |
if (name == NULL) |
1732 |
{ |
1733 |
if (EmptyString(aconf->host)) |
1734 |
continue; |
1735 |
if (irccmp(aconf->host, host) == 0) |
1736 |
return(conf); |
1737 |
} |
1738 |
else if (irccmp(conf->name, name) == 0) |
1739 |
{ |
1740 |
return (conf); |
1741 |
} |
1742 |
} |
1743 |
break; |
1744 |
|
1745 |
case CLASS_TYPE: |
1746 |
DLINK_FOREACH(ptr, list_p->head) |
1747 |
{ |
1748 |
conf = ptr->data; |
1749 |
if (EmptyString(conf->name)) |
1750 |
continue; |
1751 |
|
1752 |
if (irccmp(conf->name, name) == 0) |
1753 |
return (conf); |
1754 |
} |
1755 |
break; |
1756 |
|
1757 |
default: |
1758 |
break; |
1759 |
} |
1760 |
return(NULL); |
1761 |
} |
1762 |
|
1763 |
/* rehash() |
1764 |
* |
1765 |
* Actual REHASH service routine. Called with sig == 0 if it has been called |
1766 |
* as a result of an operator issuing this command, else assume it has been |
1767 |
* called as a result of the server receiving a HUP signal. |
1768 |
*/ |
1769 |
int |
1770 |
rehash(int sig) |
1771 |
{ |
1772 |
if (sig != 0) |
1773 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
1774 |
"Got signal SIGHUP, reloading ircd.conf file"); |
1775 |
|
1776 |
#ifndef _WIN32 |
1777 |
restart_resolver(); |
1778 |
#endif |
1779 |
/* don't close listeners until we know we can go ahead with the rehash */ |
1780 |
|
1781 |
/* Check to see if we magically got(or lost) IPv6 support */ |
1782 |
check_can_use_v6(); |
1783 |
|
1784 |
read_conf_files(0); |
1785 |
|
1786 |
if (ServerInfo.description != NULL) |
1787 |
strlcpy(me.info, ServerInfo.description, sizeof(me.info)); |
1788 |
|
1789 |
#ifndef STATIC_MODULES |
1790 |
load_conf_modules(); |
1791 |
#endif |
1792 |
|
1793 |
flush_deleted_I_P(); |
1794 |
|
1795 |
rehashed_klines = 1; |
1796 |
|
1797 |
if (ConfigLoggingEntry.use_logging) |
1798 |
reopen_log(logFileName); |
1799 |
|
1800 |
return(0); |
1801 |
} |
1802 |
|
1803 |
/* set_default_conf() |
1804 |
* |
1805 |
* inputs - NONE |
1806 |
* output - NONE |
1807 |
* side effects - Set default values here. |
1808 |
* This is called **PRIOR** to parsing the |
1809 |
* configuration file. If you want to do some validation |
1810 |
* of values later, put them in validate_conf(). |
1811 |
*/ |
1812 |
static void |
1813 |
set_default_conf(void) |
1814 |
{ |
1815 |
/* verify init_class() ran, this should be an unnecessary check |
1816 |
* but its not much work. |
1817 |
*/ |
1818 |
assert(class_default == (struct ConfItem *) class_items.tail->data); |
1819 |
|
1820 |
#ifdef HAVE_LIBCRYPTO |
1821 |
ServerInfo.rsa_private_key = NULL; |
1822 |
ServerInfo.rsa_private_key_file = NULL; |
1823 |
#endif |
1824 |
|
1825 |
/* ServerInfo.name is not rehashable */ |
1826 |
/* ServerInfo.name = ServerInfo.name; */ |
1827 |
ServerInfo.description = NULL; |
1828 |
DupString(ServerInfo.network_name, NETWORK_NAME_DEFAULT); |
1829 |
DupString(ServerInfo.network_desc, NETWORK_DESC_DEFAULT); |
1830 |
|
1831 |
memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip)); |
1832 |
ServerInfo.specific_ipv4_vhost = 0; |
1833 |
memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6)); |
1834 |
ServerInfo.specific_ipv6_vhost = 0; |
1835 |
|
1836 |
ServerInfo.max_clients = MAXCLIENTS_MAX; |
1837 |
/* Don't reset hub, as that will break lazylinks */ |
1838 |
/* ServerInfo.hub = NO; */ |
1839 |
ServerInfo.dns_host.sin_addr.s_addr = 0; |
1840 |
ServerInfo.dns_host.sin_port = 0; |
1841 |
AdminInfo.name = NULL; |
1842 |
AdminInfo.email = NULL; |
1843 |
AdminInfo.description = NULL; |
1844 |
|
1845 |
set_log_level(L_NOTICE); |
1846 |
ConfigLoggingEntry.use_logging = 1; |
1847 |
ConfigLoggingEntry.operlog[0] = '\0'; |
1848 |
ConfigLoggingEntry.userlog[0] = '\0'; |
1849 |
ConfigLoggingEntry.klinelog[0] = '\0'; |
1850 |
ConfigLoggingEntry.glinelog[0] = '\0'; |
1851 |
ConfigLoggingEntry.killlog[0] = '\0'; |
1852 |
ConfigLoggingEntry.operspylog[0] = '\0'; |
1853 |
ConfigLoggingEntry.ioerrlog[0] = '\0'; |
1854 |
ConfigLoggingEntry.failed_operlog[0] = '\0'; |
1855 |
|
1856 |
ConfigChannel.restrict_channels = NO; |
1857 |
ConfigChannel.disable_local_channels = NO; |
1858 |
ConfigChannel.use_invex = YES; |
1859 |
ConfigChannel.use_except = YES; |
1860 |
ConfigChannel.use_knock = YES; |
1861 |
ConfigChannel.knock_delay = 300; |
1862 |
ConfigChannel.knock_delay_channel = 60; |
1863 |
ConfigChannel.invite_ops_only = YES; |
1864 |
ConfigChannel.max_chans_per_user = 15; |
1865 |
ConfigChannel.quiet_on_ban = YES; |
1866 |
ConfigChannel.max_bans = 25; |
1867 |
ConfigChannel.default_split_user_count = 0; |
1868 |
ConfigChannel.default_split_server_count = 0; |
1869 |
ConfigChannel.no_join_on_split = NO; |
1870 |
ConfigChannel.no_create_on_split = NO; |
1871 |
ConfigChannel.burst_topicwho = YES; |
1872 |
|
1873 |
ConfigServerHide.flatten_links = NO; |
1874 |
ConfigServerHide.links_delay = 300; |
1875 |
ConfigServerHide.hidden = NO; |
1876 |
ConfigServerHide.disable_hidden = NO; |
1877 |
ConfigServerHide.hide_servers = NO; |
1878 |
DupString(ConfigServerHide.hidden_name, NETWORK_NAME_DEFAULT); |
1879 |
ConfigServerHide.hide_server_ips = NO; |
1880 |
|
1881 |
ConfigFileEntry.gline_min_cidr = 16; |
1882 |
ConfigFileEntry.gline_min_cidr6 = 48; |
1883 |
ConfigFileEntry.invisible_on_connect = YES; |
1884 |
ConfigFileEntry.burst_away = NO; |
1885 |
ConfigFileEntry.use_whois_actually = YES; |
1886 |
ConfigFileEntry.tkline_expire_notices = YES; |
1887 |
ConfigFileEntry.hide_spoof_ips = YES; |
1888 |
ConfigFileEntry.ignore_bogus_ts = NO; |
1889 |
ConfigFileEntry.disable_auth = NO; |
1890 |
ConfigFileEntry.disable_remote = NO; |
1891 |
ConfigFileEntry.kill_chase_time_limit = 90; |
1892 |
ConfigFileEntry.default_floodcount = 8; /* XXX */ |
1893 |
ConfigFileEntry.failed_oper_notice = YES; |
1894 |
ConfigFileEntry.dots_in_ident = 0; /* XXX */ |
1895 |
ConfigFileEntry.dot_in_ip6_addr = YES; |
1896 |
ConfigFileEntry.min_nonwildcard = 4; |
1897 |
ConfigFileEntry.min_nonwildcard_simple = 3; |
1898 |
ConfigFileEntry.max_accept = 20; |
1899 |
ConfigFileEntry.anti_nick_flood = NO; /* XXX */ |
1900 |
ConfigFileEntry.max_nick_time = 20; |
1901 |
ConfigFileEntry.max_nick_changes = 5; |
1902 |
ConfigFileEntry.anti_spam_exit_message_time = 0; /* XXX */ |
1903 |
ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT; |
1904 |
ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT; /* XXX */ |
1905 |
ConfigFileEntry.kline_with_reason = YES; |
1906 |
ConfigFileEntry.kline_reason = NULL; |
1907 |
ConfigFileEntry.warn_no_nline = YES; |
1908 |
ConfigFileEntry.stats_o_oper_only = NO; /* XXX */ |
1909 |
ConfigFileEntry.stats_k_oper_only = 1; /* masked */ |
1910 |
ConfigFileEntry.stats_i_oper_only = 1; /* masked */ |
1911 |
ConfigFileEntry.stats_P_oper_only = NO; |
1912 |
ConfigFileEntry.caller_id_wait = 60; |
1913 |
ConfigFileEntry.opers_bypass_callerid = NO; |
1914 |
ConfigFileEntry.pace_wait = 10; |
1915 |
ConfigFileEntry.pace_wait_simple = 1; |
1916 |
ConfigFileEntry.short_motd = NO; |
1917 |
ConfigFileEntry.ping_cookie = NO; |
1918 |
ConfigFileEntry.no_oper_flood = NO; /* XXX */ |
1919 |
ConfigFileEntry.true_no_oper_flood = NO; /* XXX */ |
1920 |
ConfigFileEntry.oper_pass_resv = YES; |
1921 |
ConfigFileEntry.glines = NO; /* XXX */ |
1922 |
ConfigFileEntry.gline_time = 12 * 3600; /* XXX */ |
1923 |
ConfigFileEntry.idletime = 0; |
1924 |
ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT; |
1925 |
ConfigFileEntry.client_flood = CLIENT_FLOOD_DEFAULT; |
1926 |
ConfigFileEntry.oper_only_umodes = UMODE_DEBUG; /* XXX */ |
1927 |
ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE | |
1928 |
UMODE_OPERWALL | UMODE_WALLOP; /* XXX */ |
1929 |
DupString(ConfigFileEntry.servlink_path, SLPATH); |
1930 |
#ifdef HAVE_LIBCRYPTO |
1931 |
/* jdc -- This is our default value for a cipher. According to the |
1932 |
* CRYPTLINK document (doc/cryptlink.txt), BF/128 must be supported |
1933 |
* under all circumstances if cryptlinks are enabled. So, |
1934 |
* this will be our default. |
1935 |
* |
1936 |
* NOTE: I apologise for the hard-coded value of "1" (BF/128). |
1937 |
* This should be moved into a find_cipher() routine. |
1938 |
*/ |
1939 |
ConfigFileEntry.default_cipher_preference = &CipherTable[1]; |
1940 |
#endif |
1941 |
ConfigFileEntry.use_egd = NO; |
1942 |
ConfigFileEntry.egdpool_path = NULL; |
1943 |
#ifdef HAVE_LIBZ |
1944 |
ConfigFileEntry.compression_level = 0; |
1945 |
#endif |
1946 |
ConfigFileEntry.throttle_time = 10; |
1947 |
} |
1948 |
|
1949 |
/* read_conf() |
1950 |
* |
1951 |
* inputs - file descriptor pointing to config file to use |
1952 |
* output - None |
1953 |
* side effects - Read configuration file. |
1954 |
*/ |
1955 |
static void |
1956 |
read_conf(FBFILE *file) |
1957 |
{ |
1958 |
scount = lineno = 0; |
1959 |
|
1960 |
set_default_conf(); /* Set default values prior to conf parsing */ |
1961 |
ypass = 1; |
1962 |
yyparse(); /* pick up the classes first */ |
1963 |
|
1964 |
fbrewind(file); |
1965 |
|
1966 |
ypass = 2; |
1967 |
yyparse(); /* Load the values from the conf */ |
1968 |
validate_conf(); /* Check to make sure some values are still okay. */ |
1969 |
/* Some global values are also loaded here. */ |
1970 |
check_class(); /* Make sure classes are valid */ |
1971 |
} |
1972 |
|
1973 |
static void |
1974 |
validate_conf(void) |
1975 |
{ |
1976 |
if (ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN) |
1977 |
ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT; |
1978 |
|
1979 |
if (ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN) |
1980 |
ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT; |
1981 |
|
1982 |
if (ConfigFileEntry.servlink_path == NULL) |
1983 |
DupString(ConfigFileEntry.servlink_path, SLPATH); |
1984 |
|
1985 |
if (ServerInfo.network_name == NULL) |
1986 |
DupString(ServerInfo.network_name,NETWORK_NAME_DEFAULT); |
1987 |
|
1988 |
if (ServerInfo.network_desc == NULL) |
1989 |
DupString(ServerInfo.network_desc,NETWORK_DESC_DEFAULT); |
1990 |
|
1991 |
if ((ConfigFileEntry.client_flood < CLIENT_FLOOD_MIN) || |
1992 |
(ConfigFileEntry.client_flood > CLIENT_FLOOD_MAX)) |
1993 |
ConfigFileEntry.client_flood = CLIENT_FLOOD_MAX; |
1994 |
} |
1995 |
|
1996 |
/* lookup_confhost() |
1997 |
* |
1998 |
* start DNS lookups of all hostnames in the conf |
1999 |
* line and convert an IP addresses in a.b.c.d number for to IP#s. |
2000 |
*/ |
2001 |
static void |
2002 |
lookup_confhost(struct ConfItem *conf) |
2003 |
{ |
2004 |
struct AccessItem *aconf; |
2005 |
struct addrinfo hints, *res; |
2006 |
|
2007 |
aconf = map_to_conf(conf); |
2008 |
|
2009 |
if (EmptyString(aconf->host) || |
2010 |
EmptyString(aconf->user)) |
2011 |
{ |
2012 |
ilog(L_ERROR, "Host/server name error: (%s) (%s)", |
2013 |
aconf->host, conf->name); |
2014 |
return; |
2015 |
} |
2016 |
|
2017 |
if (strchr(aconf->host, '*') || |
2018 |
strchr(aconf->host, '?')) |
2019 |
return; |
2020 |
|
2021 |
/* Do name lookup now on hostnames given and store the |
2022 |
* ip numbers in conf structure. |
2023 |
*/ |
2024 |
memset(&hints, 0, sizeof(hints)); |
2025 |
|
2026 |
hints.ai_family = AF_UNSPEC; |
2027 |
hints.ai_socktype = SOCK_STREAM; |
2028 |
|
2029 |
/* Get us ready for a bind() and don't bother doing dns lookup */ |
2030 |
hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; |
2031 |
|
2032 |
if (irc_getaddrinfo(aconf->host, NULL, &hints, &res)) |
2033 |
{ |
2034 |
conf_dns_lookup(aconf); |
2035 |
return; |
2036 |
} |
2037 |
|
2038 |
assert(res != NULL); |
2039 |
|
2040 |
memcpy(&aconf->ipnum, res->ai_addr, res->ai_addrlen); |
2041 |
aconf->ipnum.ss_len = res->ai_addrlen; |
2042 |
aconf->ipnum.ss.ss_family = res->ai_family; |
2043 |
irc_freeaddrinfo(res); |
2044 |
} |
2045 |
|
2046 |
/* conf_connect_allowed() |
2047 |
* |
2048 |
* inputs - pointer to inaddr |
2049 |
* - int type ipv4 or ipv6 |
2050 |
* output - BANNED or accepted |
2051 |
* side effects - none |
2052 |
*/ |
2053 |
int |
2054 |
conf_connect_allowed(struct irc_ssaddr *addr, int aftype) |
2055 |
{ |
2056 |
struct ip_entry *ip_found; |
2057 |
struct AccessItem *aconf = find_dline_conf(addr, aftype); |
2058 |
|
2059 |
/* DLINE exempt also gets you out of static limits/pacing... */ |
2060 |
if (aconf && (aconf->status & CONF_EXEMPTDLINE)) |
2061 |
return 0; |
2062 |
|
2063 |
if (aconf != NULL) |
2064 |
return BANNED_CLIENT; |
2065 |
|
2066 |
ip_found = find_or_add_ip(addr); |
2067 |
|
2068 |
if ((CurrentTime - ip_found->last_attempt) < |
2069 |
ConfigFileEntry.throttle_time) |
2070 |
{ |
2071 |
ip_found->last_attempt = CurrentTime; |
2072 |
return TOO_FAST; |
2073 |
} |
2074 |
|
2075 |
ip_found->last_attempt = CurrentTime; |
2076 |
return 0; |
2077 |
} |
2078 |
|
2079 |
static struct AccessItem * |
2080 |
find_regexp_kline(const char *uhi[]) |
2081 |
{ |
2082 |
const dlink_node *ptr = NULL; |
2083 |
|
2084 |
DLINK_FOREACH(ptr, rkconf_items.head) |
2085 |
{ |
2086 |
struct AccessItem *aptr = map_to_conf(ptr->data); |
2087 |
|
2088 |
assert(aptr->regexuser); |
2089 |
assert(aptr->regexhost); |
2090 |
|
2091 |
if (!ircd_pcre_exec(aptr->regexuser, uhi[0]) && |
2092 |
(!ircd_pcre_exec(aptr->regexhost, uhi[1]) || |
2093 |
!ircd_pcre_exec(aptr->regexhost, uhi[2]))) |
2094 |
return aptr; |
2095 |
} |
2096 |
|
2097 |
return NULL; |
2098 |
} |
2099 |
|
2100 |
/* find_kill() |
2101 |
* |
2102 |
* inputs - pointer to client structure |
2103 |
* output - pointer to struct AccessItem if found |
2104 |
* side effects - See if this user is klined already, |
2105 |
* and if so, return struct AccessItem pointer |
2106 |
*/ |
2107 |
struct AccessItem * |
2108 |
find_kill(struct Client *client_p) |
2109 |
{ |
2110 |
struct AccessItem *aconf = NULL; |
2111 |
const char *uhi[3]; |
2112 |
|
2113 |
uhi[0] = client_p->username; |
2114 |
uhi[1] = client_p->host; |
2115 |
uhi[2] = client_p->sockhost; |
2116 |
|
2117 |
assert(client_p != NULL); |
2118 |
|
2119 |
aconf = find_kline_conf(client_p->host, client_p->username, |
2120 |
&client_p->localClient->ip, |
2121 |
client_p->localClient->aftype); |
2122 |
if (aconf == NULL) |
2123 |
aconf = find_regexp_kline(uhi); |
2124 |
|
2125 |
if (aconf && (aconf->status & CONF_KLINE)) |
2126 |
return aconf; |
2127 |
|
2128 |
return NULL; |
2129 |
} |
2130 |
|
2131 |
struct AccessItem * |
2132 |
find_gline(struct Client *client_p) |
2133 |
{ |
2134 |
struct AccessItem *aconf; |
2135 |
|
2136 |
assert(client_p != NULL); |
2137 |
|
2138 |
aconf = find_gline_conf(client_p->host, client_p->username, |
2139 |
&client_p->localClient->ip, |
2140 |
client_p->localClient->aftype); |
2141 |
|
2142 |
if (aconf && (aconf->status & CONF_GLINE)) |
2143 |
return aconf; |
2144 |
|
2145 |
return NULL; |
2146 |
} |
2147 |
|
2148 |
/* add_temp_line() |
2149 |
* |
2150 |
* inputs - pointer to struct ConfItem |
2151 |
* output - none |
2152 |
* Side effects - links in given struct ConfItem into |
2153 |
* temporary *line link list |
2154 |
*/ |
2155 |
void |
2156 |
add_temp_line(struct ConfItem *conf) |
2157 |
{ |
2158 |
struct AccessItem *aconf; |
2159 |
|
2160 |
if (conf->type == DLINE_TYPE) |
2161 |
{ |
2162 |
aconf = map_to_conf(conf); |
2163 |
SetConfTemporary(aconf); |
2164 |
dlinkAdd(conf, &conf->node, &temporary_dlines); |
2165 |
MyFree(aconf->user); |
2166 |
aconf->user = NULL; |
2167 |
add_conf_by_address(CONF_DLINE, aconf); |
2168 |
} |
2169 |
else if (conf->type == KLINE_TYPE) |
2170 |
{ |
2171 |
aconf = map_to_conf(conf); |
2172 |
SetConfTemporary(aconf); |
2173 |
dlinkAdd(conf, &conf->node, &temporary_klines); |
2174 |
add_conf_by_address(CONF_KILL, aconf); |
2175 |
} |
2176 |
else if (conf->type == GLINE_TYPE) |
2177 |
{ |
2178 |
aconf = map_to_conf(conf); |
2179 |
SetConfTemporary(aconf); |
2180 |
dlinkAdd(conf, &conf->node, &temporary_glines); |
2181 |
add_conf_by_address(CONF_GLINE, aconf); |
2182 |
} |
2183 |
else if (conf->type == XLINE_TYPE) |
2184 |
{ |
2185 |
conf->flags |= CONF_FLAGS_TEMPORARY; |
2186 |
dlinkAdd(conf, make_dlink_node(), &temporary_xlines); |
2187 |
} |
2188 |
else if (conf->type == RXLINE_TYPE) |
2189 |
{ |
2190 |
conf->flags |= CONF_FLAGS_TEMPORARY; |
2191 |
dlinkAdd(conf, make_dlink_node(), &temporary_rxlines); |
2192 |
} |
2193 |
else if (conf->type == RKLINE_TYPE) |
2194 |
{ |
2195 |
conf->flags |= CONF_FLAGS_TEMPORARY; |
2196 |
dlinkAdd(conf, make_dlink_node(), &temporary_rklines); |
2197 |
} |
2198 |
else if ((conf->type == NRESV_TYPE) || (conf->type == CRESV_TYPE)) |
2199 |
{ |
2200 |
conf->flags |= CONF_FLAGS_TEMPORARY; |
2201 |
dlinkAdd(conf, make_dlink_node(), &temporary_resv); |
2202 |
} |
2203 |
} |
2204 |
|
2205 |
/* cleanup_tklines() |
2206 |
* |
2207 |
* inputs - NONE |
2208 |
* output - NONE |
2209 |
* side effects - call function to expire temporary k/d lines |
2210 |
* This is an event started off in ircd.c |
2211 |
*/ |
2212 |
void |
2213 |
cleanup_tklines(void *notused) |
2214 |
{ |
2215 |
expire_tklines(&temporary_glines); |
2216 |
expire_tklines(&temporary_klines); |
2217 |
expire_tklines(&temporary_dlines); |
2218 |
expire_tklines(&temporary_xlines); |
2219 |
expire_tklines(&temporary_rxlines); |
2220 |
expire_tklines(&temporary_rklines); |
2221 |
expire_tklines(&temporary_resv); |
2222 |
} |
2223 |
|
2224 |
/* expire_tklines() |
2225 |
* |
2226 |
* inputs - tkline list pointer |
2227 |
* output - NONE |
2228 |
* side effects - expire tklines |
2229 |
*/ |
2230 |
static void |
2231 |
expire_tklines(dlink_list *tklist) |
2232 |
{ |
2233 |
dlink_node *ptr; |
2234 |
dlink_node *next_ptr; |
2235 |
struct ConfItem *conf; |
2236 |
struct MatchItem *xconf; |
2237 |
struct MatchItem *nconf; |
2238 |
struct AccessItem *aconf; |
2239 |
struct ResvChannel *cconf; |
2240 |
|
2241 |
DLINK_FOREACH_SAFE(ptr, next_ptr, tklist->head) |
2242 |
{ |
2243 |
conf = ptr->data; |
2244 |
if (conf->type == GLINE_TYPE || |
2245 |
conf->type == KLINE_TYPE || |
2246 |
conf->type == DLINE_TYPE) |
2247 |
{ |
2248 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2249 |
if (aconf->hold <= CurrentTime) |
2250 |
{ |
2251 |
/* XXX - Do we want GLINE expiry notices?? */ |
2252 |
/* Alert opers that a TKline expired - Hwy */ |
2253 |
if (ConfigFileEntry.tkline_expire_notices) |
2254 |
{ |
2255 |
if (aconf->status & CONF_KILL) |
2256 |
{ |
2257 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2258 |
"Temporary K-line for [%s@%s] expired", |
2259 |
(aconf->user) ? aconf->user : "*", |
2260 |
(aconf->host) ? aconf->host : "*"); |
2261 |
} |
2262 |
else if (conf->type == DLINE_TYPE) |
2263 |
{ |
2264 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2265 |
"Temporary D-line for [%s] expired", |
2266 |
(aconf->host) ? aconf->host : "*"); |
2267 |
} |
2268 |
} |
2269 |
|
2270 |
delete_one_address_conf(aconf->host, aconf); |
2271 |
dlinkDelete(ptr, tklist); |
2272 |
} |
2273 |
} |
2274 |
else if (conf->type == XLINE_TYPE || |
2275 |
conf->type == RXLINE_TYPE) |
2276 |
{ |
2277 |
xconf = (struct MatchItem *)map_to_conf(conf); |
2278 |
if (xconf->hold <= CurrentTime) |
2279 |
{ |
2280 |
if (ConfigFileEntry.tkline_expire_notices) |
2281 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2282 |
"Temporary X-line for [%s] %sexpired", conf->name, |
2283 |
conf->type == RXLINE_TYPE ? "(REGEX) " : ""); |
2284 |
dlinkDelete(ptr, tklist); |
2285 |
free_dlink_node(ptr); |
2286 |
delete_conf_item(conf); |
2287 |
} |
2288 |
} |
2289 |
else if (conf->type == RKLINE_TYPE) |
2290 |
{ |
2291 |
aconf = map_to_conf(conf); |
2292 |
if (aconf->hold <= CurrentTime) |
2293 |
{ |
2294 |
if (ConfigFileEntry.tkline_expire_notices) |
2295 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2296 |
"Temporary K-line for [%s@%s] (REGEX) expired", |
2297 |
(aconf->user) ? aconf->user : "*", |
2298 |
(aconf->host) ? aconf->host : "*"); |
2299 |
dlinkDelete(ptr, tklist); |
2300 |
free_dlink_node(ptr); |
2301 |
delete_conf_item(conf); |
2302 |
} |
2303 |
} |
2304 |
else if (conf->type == NRESV_TYPE) |
2305 |
{ |
2306 |
nconf = (struct MatchItem *)map_to_conf(conf); |
2307 |
if (nconf->hold <= CurrentTime) |
2308 |
{ |
2309 |
if (ConfigFileEntry.tkline_expire_notices) |
2310 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2311 |
"Temporary RESV for [%s] expired", conf->name); |
2312 |
dlinkDelete(ptr, tklist); |
2313 |
free_dlink_node(ptr); |
2314 |
delete_conf_item(conf); |
2315 |
} |
2316 |
} |
2317 |
else if (conf->type == CRESV_TYPE) |
2318 |
{ |
2319 |
cconf = (struct ResvChannel *)map_to_conf(conf); |
2320 |
if (cconf->hold <= CurrentTime) |
2321 |
{ |
2322 |
if (ConfigFileEntry.tkline_expire_notices) |
2323 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2324 |
"Temporary RESV for [%s] expired", cconf->name); |
2325 |
dlinkDelete(ptr, tklist); |
2326 |
free_dlink_node(ptr); |
2327 |
delete_conf_item(conf); |
2328 |
} |
2329 |
} |
2330 |
} |
2331 |
} |
2332 |
|
2333 |
/* oper_privs_as_string() |
2334 |
* |
2335 |
* inputs - pointer to client_p or NULL |
2336 |
* output - pointer to static string showing oper privs |
2337 |
* side effects - return as string, the oper privs as derived from port |
2338 |
*/ |
2339 |
|
2340 |
static const unsigned int oper_flags_table[] = |
2341 |
{ 'O', 'R', 'U', 'G', 'N', 'K', 'X', 'D', 'H', 'A' , 0 }; |
2342 |
|
2343 |
char * |
2344 |
oper_privs_as_string(const unsigned int port) |
2345 |
{ |
2346 |
static char privs_out[12]; |
2347 |
|
2348 |
if (port & OPER_FLAG_HIDDEN_ADMIN) |
2349 |
flags_to_ascii(port & ~OPER_FLAG_ADMIN, oper_flags_table, privs_out, 1); |
2350 |
else |
2351 |
flags_to_ascii(port, oper_flags_table, privs_out, 1); |
2352 |
return privs_out; |
2353 |
} |
2354 |
|
2355 |
/* |
2356 |
* Input: A client to find the active oper{} name for. |
2357 |
* Output: The nick!user@host{oper} of the oper. |
2358 |
* "oper" is server name for remote opers |
2359 |
* Side effects: None. |
2360 |
*/ |
2361 |
char * |
2362 |
get_oper_name(const struct Client *client_p) |
2363 |
{ |
2364 |
dlink_node *cnode; |
2365 |
struct ConfItem *conf; |
2366 |
struct AccessItem *aconf; |
2367 |
|
2368 |
/* +5 for !,@,{,} and null */ |
2369 |
static char buffer[NICKLEN+USERLEN+HOSTLEN+HOSTLEN+5]; |
2370 |
|
2371 |
if (MyConnect(client_p)) |
2372 |
{ |
2373 |
DLINK_FOREACH(cnode, client_p->localClient->confs.head) |
2374 |
{ |
2375 |
conf = cnode->data; |
2376 |
aconf = map_to_conf(conf); |
2377 |
|
2378 |
if (IsConfOperator(aconf)) |
2379 |
{ |
2380 |
ircsprintf(buffer, "%s!%s@%s{%s}", client_p->name, |
2381 |
client_p->username, client_p->host, |
2382 |
conf->name); |
2383 |
return buffer; |
2384 |
} |
2385 |
} |
2386 |
|
2387 |
/* Probably should assert here for now. If there is an oper out there |
2388 |
* with no oper{} conf attached, it would be good for us to know... |
2389 |
*/ |
2390 |
assert(0); /* Oper without oper conf! */ |
2391 |
} |
2392 |
|
2393 |
ircsprintf(buffer, "%s!%s@%s{%s}", client_p->name, |
2394 |
client_p->username, client_p->host, client_p->servptr->name); |
2395 |
return buffer; |
2396 |
} |
2397 |
|
2398 |
/* read_conf_files() |
2399 |
* |
2400 |
* inputs - cold start YES or NO |
2401 |
* output - none |
2402 |
* side effects - read all conf files needed, ircd.conf kline.conf etc. |
2403 |
*/ |
2404 |
void |
2405 |
read_conf_files(int cold) |
2406 |
{ |
2407 |
const char *filename; |
2408 |
char chanmodes[32]; |
2409 |
char chanlimit[32]; |
2410 |
|
2411 |
filename = get_conf_name(CONF_TYPE); |
2412 |
|
2413 |
/* We need to know the initial filename for the yyerror() to report |
2414 |
FIXME: The full path is in conffilenamebuf first time since we |
2415 |
dont know anything else |
2416 |
|
2417 |
- Gozem 2002-07-21 |
2418 |
*/ |
2419 |
strlcpy(conffilebuf, filename, sizeof(conffilebuf)); |
2420 |
|
2421 |
if ((conf_fbfile_in = fbopen(filename, "r")) == NULL) |
2422 |
{ |
2423 |
if (cold) |
2424 |
{ |
2425 |
ilog(L_CRIT, "Unable to read configuration file '%s': %s", |
2426 |
filename, strerror(errno)); |
2427 |
exit(-1); |
2428 |
} |
2429 |
else |
2430 |
{ |
2431 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2432 |
"Unable to read configuration file '%s': %s", |
2433 |
filename, strerror(errno)); |
2434 |
return; |
2435 |
} |
2436 |
} |
2437 |
|
2438 |
if (!cold) |
2439 |
clear_out_old_conf(); |
2440 |
|
2441 |
read_conf(conf_fbfile_in); |
2442 |
fbclose(conf_fbfile_in); |
2443 |
|
2444 |
add_isupport("NETWORK", ServerInfo.network_name, -1); |
2445 |
ircsprintf(chanmodes, "b%s%s:%d", ConfigChannel.use_except ? "e" : "", |
2446 |
ConfigChannel.use_invex ? "I" : "", ConfigChannel.max_bans); |
2447 |
add_isupport("MAXLIST", chanmodes, -1); |
2448 |
add_isupport("MAXTARGETS", NULL, ConfigFileEntry.max_targets); |
2449 |
if (ConfigChannel.disable_local_channels) |
2450 |
add_isupport("CHANTYPES", "#", -1); |
2451 |
else |
2452 |
add_isupport("CHANTYPES", "#&", -1); |
2453 |
ircsprintf(chanlimit, "%s:%d", ConfigChannel.disable_local_channels ? "#" : "#&", |
2454 |
ConfigChannel.max_chans_per_user); |
2455 |
add_isupport("CHANLIMIT", chanlimit, -1); |
2456 |
ircsprintf(chanmodes, "%s%s%s", ConfigChannel.use_except ? "e" : "", |
2457 |
ConfigChannel.use_invex ? "I" : "", "b,k,l,imnpst"); |
2458 |
add_isupport("CHANNELLEN", NULL, CHANNELLEN); |
2459 |
if (ConfigChannel.use_except) |
2460 |
add_isupport("EXCEPTS", "e", -1); |
2461 |
if (ConfigChannel.use_invex) |
2462 |
add_isupport("INVEX", "I", -1); |
2463 |
add_isupport("CHANMODES", chanmodes, -1); |
2464 |
|
2465 |
/* |
2466 |
* message_locale may have changed. rebuild isupport since it relies |
2467 |
* on strlen(form_str(RPL_ISUPPORT)) |
2468 |
*/ |
2469 |
rebuild_isupport_message_line(); |
2470 |
|
2471 |
parse_conf_file(KLINE_TYPE, cold); |
2472 |
parse_conf_file(RKLINE_TYPE, cold); |
2473 |
parse_conf_file(DLINE_TYPE, cold); |
2474 |
parse_conf_file(XLINE_TYPE, cold); |
2475 |
parse_conf_file(RXLINE_TYPE, cold); |
2476 |
parse_conf_file(NRESV_TYPE, cold); |
2477 |
parse_conf_file(CRESV_TYPE, cold); |
2478 |
} |
2479 |
|
2480 |
/* parse_conf_file() |
2481 |
* |
2482 |
* inputs - type of conf file to parse |
2483 |
* output - none |
2484 |
* side effects - conf file for givenconf type is opened and read then parsed |
2485 |
*/ |
2486 |
static void |
2487 |
parse_conf_file(int type, int cold) |
2488 |
{ |
2489 |
FBFILE *file = NULL; |
2490 |
const char *filename = get_conf_name(type); |
2491 |
|
2492 |
if ((file = fbopen(filename, "r")) == NULL) |
2493 |
{ |
2494 |
if (cold) |
2495 |
ilog(L_ERROR, "Unable to read configuration file '%s': %s", |
2496 |
filename, strerror(errno)); |
2497 |
else |
2498 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2499 |
"Unable to read configuration file '%s': %s", |
2500 |
filename, strerror(errno)); |
2501 |
} |
2502 |
else |
2503 |
{ |
2504 |
parse_csv_file(file, type); |
2505 |
fbclose(file); |
2506 |
} |
2507 |
} |
2508 |
|
2509 |
/* clear_out_old_conf() |
2510 |
* |
2511 |
* inputs - none |
2512 |
* output - none |
2513 |
* side effects - Clear out the old configuration |
2514 |
*/ |
2515 |
static void |
2516 |
clear_out_old_conf(void) |
2517 |
{ |
2518 |
dlink_node *ptr = NULL, *next_ptr = NULL; |
2519 |
struct ConfItem *conf; |
2520 |
struct AccessItem *aconf; |
2521 |
struct ClassItem *cltmp; |
2522 |
struct MatchItem *match_item; |
2523 |
dlink_list *free_items [] = { |
2524 |
&server_items, &oconf_items, &hub_items, &leaf_items, |
2525 |
&uconf_items, &xconf_items, &rxconf_items, &rkconf_items, |
2526 |
&nresv_items, &cluster_items, &gdeny_items, NULL |
2527 |
}; |
2528 |
|
2529 |
dlink_list ** iterator = free_items; /* C is dumb */ |
2530 |
|
2531 |
/* We only need to free anything allocated by yyparse() here. |
2532 |
* Resetting structs, etc, is taken care of by set_default_conf(). |
2533 |
*/ |
2534 |
|
2535 |
for (; *iterator != NULL; iterator++) |
2536 |
{ |
2537 |
DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head) |
2538 |
{ |
2539 |
conf = ptr->data; |
2540 |
/* XXX This is less than pretty */ |
2541 |
if (conf->type == SERVER_TYPE) |
2542 |
{ |
2543 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2544 |
if (aconf->clients != 0) |
2545 |
{ |
2546 |
SetConfIllegal(aconf); |
2547 |
dlinkDelete(&conf->node, &server_items); |
2548 |
} |
2549 |
else |
2550 |
{ |
2551 |
delete_conf_item(conf); |
2552 |
} |
2553 |
} |
2554 |
else if (conf->type == OPER_TYPE) |
2555 |
{ |
2556 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2557 |
if (aconf->clients != 0) |
2558 |
{ |
2559 |
SetConfIllegal(aconf); |
2560 |
dlinkDelete(&conf->node, &oconf_items); |
2561 |
} |
2562 |
else |
2563 |
{ |
2564 |
delete_conf_item(conf); |
2565 |
} |
2566 |
} |
2567 |
else if (conf->type == CLIENT_TYPE) |
2568 |
{ |
2569 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2570 |
if (aconf->clients != 0) |
2571 |
{ |
2572 |
SetConfIllegal(aconf); |
2573 |
} |
2574 |
else |
2575 |
{ |
2576 |
delete_conf_item(conf); |
2577 |
} |
2578 |
} |
2579 |
else if (conf->type == XLINE_TYPE || |
2580 |
conf->type == RXLINE_TYPE || |
2581 |
conf->type == RKLINE_TYPE) |
2582 |
{ |
2583 |
/* temporary (r)xlines are also on |
2584 |
* the (r)xconf items list */ |
2585 |
if (conf->flags & CONF_FLAGS_TEMPORARY) |
2586 |
continue; |
2587 |
|
2588 |
delete_conf_item(conf); |
2589 |
} |
2590 |
else |
2591 |
{ |
2592 |
if ((conf->type == LEAF_TYPE) || (conf->type == HUB_TYPE)) |
2593 |
{ |
2594 |
match_item = (struct MatchItem *)map_to_conf(conf); |
2595 |
if ((match_item->ref_count <= 0)) |
2596 |
delete_conf_item(conf); |
2597 |
else |
2598 |
{ |
2599 |
match_item->illegal = 1; |
2600 |
dlinkDelete(&conf->node, *iterator); |
2601 |
} |
2602 |
} |
2603 |
else |
2604 |
delete_conf_item(conf); |
2605 |
} |
2606 |
} |
2607 |
} |
2608 |
|
2609 |
/* don't delete the class table, rather mark all entries |
2610 |
* for deletion. The table is cleaned up by check_class. - avalon |
2611 |
*/ |
2612 |
DLINK_FOREACH(ptr, class_items.head) |
2613 |
{ |
2614 |
conf = ptr->data; |
2615 |
cltmp = (struct ClassItem *)map_to_conf(conf); |
2616 |
if (ptr != class_items.tail) /* never mark the "default" class */ |
2617 |
MaxTotal(cltmp) = -1; |
2618 |
} |
2619 |
|
2620 |
clear_out_address_conf(); |
2621 |
|
2622 |
/* clean out module paths */ |
2623 |
#ifndef STATIC_MODULES |
2624 |
mod_clear_paths(); |
2625 |
#endif |
2626 |
|
2627 |
/* clean out ServerInfo */ |
2628 |
MyFree(ServerInfo.description); |
2629 |
ServerInfo.description = NULL; |
2630 |
MyFree(ServerInfo.network_name); |
2631 |
ServerInfo.network_name = NULL; |
2632 |
MyFree(ServerInfo.network_desc); |
2633 |
ServerInfo.network_desc = NULL; |
2634 |
MyFree(ConfigFileEntry.egdpool_path); |
2635 |
ConfigFileEntry.egdpool_path = NULL; |
2636 |
#ifdef HAVE_LIBCRYPTO |
2637 |
if (ServerInfo.rsa_private_key != NULL) |
2638 |
{ |
2639 |
RSA_free(ServerInfo.rsa_private_key); |
2640 |
ServerInfo.rsa_private_key = NULL; |
2641 |
} |
2642 |
|
2643 |
MyFree(ServerInfo.rsa_private_key_file); |
2644 |
ServerInfo.rsa_private_key_file = NULL; |
2645 |
#endif |
2646 |
|
2647 |
/* clean out old resvs from the conf */ |
2648 |
clear_conf_resv(); |
2649 |
|
2650 |
/* clean out AdminInfo */ |
2651 |
MyFree(AdminInfo.name); |
2652 |
AdminInfo.name = NULL; |
2653 |
MyFree(AdminInfo.email); |
2654 |
AdminInfo.email = NULL; |
2655 |
MyFree(AdminInfo.description); |
2656 |
AdminInfo.description = NULL; |
2657 |
|
2658 |
/* operator{} and class{} blocks are freed above */ |
2659 |
/* clean out listeners */ |
2660 |
close_listeners(); |
2661 |
|
2662 |
/* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, |
2663 |
* exempt{} and gecos{} blocks are freed above too |
2664 |
*/ |
2665 |
|
2666 |
/* clean out general */ |
2667 |
MyFree(ConfigFileEntry.servlink_path); |
2668 |
ConfigFileEntry.servlink_path = NULL; |
2669 |
#ifdef HAVE_LIBCRYPTO |
2670 |
ConfigFileEntry.default_cipher_preference = NULL; |
2671 |
#endif /* HAVE_LIBCRYPTO */ |
2672 |
delete_isupport("INVEX"); |
2673 |
delete_isupport("EXCEPTS"); |
2674 |
} |
2675 |
|
2676 |
/* flush_deleted_I_P() |
2677 |
* |
2678 |
* inputs - none |
2679 |
* output - none |
2680 |
* side effects - This function removes I/P conf items |
2681 |
*/ |
2682 |
static void |
2683 |
flush_deleted_I_P(void) |
2684 |
{ |
2685 |
dlink_node *ptr; |
2686 |
dlink_node *next_ptr; |
2687 |
struct ConfItem *conf; |
2688 |
struct AccessItem *aconf; |
2689 |
dlink_list * free_items [] = { |
2690 |
&server_items, &oconf_items, &hub_items, &leaf_items, NULL |
2691 |
}; |
2692 |
dlink_list ** iterator = free_items; /* C is dumb */ |
2693 |
|
2694 |
/* flush out deleted I and P lines |
2695 |
* although still in use. |
2696 |
*/ |
2697 |
for (; *iterator != NULL; iterator++) |
2698 |
{ |
2699 |
DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head) |
2700 |
{ |
2701 |
conf = ptr->data; |
2702 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2703 |
|
2704 |
if (IsConfIllegal(aconf)) |
2705 |
{ |
2706 |
dlinkDelete(ptr, *iterator); |
2707 |
|
2708 |
if (aconf->clients == 0) |
2709 |
delete_conf_item(conf); |
2710 |
} |
2711 |
} |
2712 |
} |
2713 |
} |
2714 |
|
2715 |
/* get_conf_name() |
2716 |
* |
2717 |
* inputs - type of conf file to return name of file for |
2718 |
* output - pointer to filename for type of conf |
2719 |
* side effects - none |
2720 |
*/ |
2721 |
const char * |
2722 |
get_conf_name(ConfType type) |
2723 |
{ |
2724 |
switch (type) |
2725 |
{ |
2726 |
case CONF_TYPE: |
2727 |
return ConfigFileEntry.configfile; |
2728 |
break; |
2729 |
case KLINE_TYPE: |
2730 |
return ConfigFileEntry.klinefile; |
2731 |
break; |
2732 |
case RKLINE_TYPE: |
2733 |
return ConfigFileEntry.rklinefile; |
2734 |
break; |
2735 |
case DLINE_TYPE: |
2736 |
return ConfigFileEntry.dlinefile; |
2737 |
break; |
2738 |
case XLINE_TYPE: |
2739 |
return ConfigFileEntry.xlinefile; |
2740 |
break; |
2741 |
case RXLINE_TYPE: |
2742 |
return ConfigFileEntry.rxlinefile; |
2743 |
break; |
2744 |
case CRESV_TYPE: |
2745 |
return ConfigFileEntry.cresvfile; |
2746 |
break; |
2747 |
case NRESV_TYPE: |
2748 |
return ConfigFileEntry.nresvfile; |
2749 |
break; |
2750 |
case GLINE_TYPE: |
2751 |
return ConfigFileEntry.glinefile; |
2752 |
break; |
2753 |
|
2754 |
default: |
2755 |
return NULL; /* This should NEVER HAPPEN since we call this function |
2756 |
only with the above values, this will cause us to core |
2757 |
at some point if this happens so we know where it was */ |
2758 |
} |
2759 |
} |
2760 |
|
2761 |
#define BAD_PING (-1) |
2762 |
|
2763 |
/* get_conf_ping() |
2764 |
* |
2765 |
* inputs - pointer to struct AccessItem |
2766 |
* - pointer to a variable that receives ping warning time |
2767 |
* output - ping frequency |
2768 |
* side effects - NONE |
2769 |
*/ |
2770 |
static int |
2771 |
get_conf_ping(struct ConfItem *conf, int *pingwarn) |
2772 |
{ |
2773 |
struct ClassItem *aclass; |
2774 |
struct AccessItem *aconf; |
2775 |
|
2776 |
if (conf != NULL) |
2777 |
{ |
2778 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2779 |
if (aconf->class_ptr != NULL) |
2780 |
{ |
2781 |
aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr); |
2782 |
*pingwarn = PingWarning(aclass); |
2783 |
return PingFreq(aclass); |
2784 |
} |
2785 |
} |
2786 |
|
2787 |
return BAD_PING; |
2788 |
} |
2789 |
|
2790 |
/* get_client_class() |
2791 |
* |
2792 |
* inputs - pointer to client struct |
2793 |
* output - pointer to name of class |
2794 |
* side effects - NONE |
2795 |
*/ |
2796 |
const char * |
2797 |
get_client_class(struct Client *target_p) |
2798 |
{ |
2799 |
dlink_node *ptr; |
2800 |
struct ConfItem *conf; |
2801 |
struct AccessItem *aconf; |
2802 |
|
2803 |
if (target_p != NULL && !IsMe(target_p) && |
2804 |
target_p->localClient->confs.head != NULL) |
2805 |
{ |
2806 |
DLINK_FOREACH(ptr, target_p->localClient->confs.head) |
2807 |
{ |
2808 |
conf = ptr->data; |
2809 |
|
2810 |
if (conf->type == CLIENT_TYPE || conf->type == SERVER_TYPE || |
2811 |
conf->type == OPER_TYPE) |
2812 |
{ |
2813 |
aconf = (struct AccessItem *) map_to_conf(conf); |
2814 |
if (aconf->class_ptr != NULL) |
2815 |
return aconf->class_ptr->name; |
2816 |
} |
2817 |
} |
2818 |
} |
2819 |
|
2820 |
return "default"; |
2821 |
} |
2822 |
|
2823 |
/* get_client_ping() |
2824 |
* |
2825 |
* inputs - pointer to client struct |
2826 |
* - pointer to a variable that receives ping warning time |
2827 |
* output - ping frequency |
2828 |
* side effects - NONE |
2829 |
*/ |
2830 |
int |
2831 |
get_client_ping(struct Client *target_p, int *pingwarn) |
2832 |
{ |
2833 |
int ping; |
2834 |
struct ConfItem *conf; |
2835 |
dlink_node *nlink; |
2836 |
|
2837 |
if (target_p->localClient->confs.head != NULL) |
2838 |
DLINK_FOREACH(nlink, target_p->localClient->confs.head) |
2839 |
{ |
2840 |
conf = nlink->data; |
2841 |
|
2842 |
if ((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) || |
2843 |
(conf->type == OPER_TYPE)) |
2844 |
{ |
2845 |
ping = get_conf_ping(conf, pingwarn); |
2846 |
if (ping > 0) |
2847 |
return ping; |
2848 |
} |
2849 |
} |
2850 |
|
2851 |
*pingwarn = 0; |
2852 |
return DEFAULT_PINGFREQUENCY; |
2853 |
} |
2854 |
|
2855 |
/* find_class() |
2856 |
* |
2857 |
* inputs - string name of class |
2858 |
* output - corresponding Class pointer |
2859 |
* side effects - NONE |
2860 |
*/ |
2861 |
struct ConfItem * |
2862 |
find_class(const char *classname) |
2863 |
{ |
2864 |
struct ConfItem *conf; |
2865 |
|
2866 |
if ((conf = find_exact_name_conf(CLASS_TYPE, classname, NULL, NULL)) != NULL) |
2867 |
return(conf); |
2868 |
|
2869 |
return class_default; |
2870 |
} |
2871 |
|
2872 |
/* check_class() |
2873 |
* |
2874 |
* inputs - NONE |
2875 |
* output - NONE |
2876 |
* side effects - |
2877 |
*/ |
2878 |
void |
2879 |
check_class(void) |
2880 |
{ |
2881 |
dlink_node *ptr; |
2882 |
dlink_node *next_ptr; |
2883 |
struct ConfItem *conf; |
2884 |
struct ClassItem *aclass; |
2885 |
|
2886 |
DLINK_FOREACH_SAFE(ptr, next_ptr, class_items.head) |
2887 |
{ |
2888 |
conf = ptr->data; |
2889 |
aclass = (struct ClassItem *)map_to_conf(conf); |
2890 |
|
2891 |
if (MaxTotal(aclass) < 0) |
2892 |
{ |
2893 |
destroy_cidr_class(aclass); |
2894 |
if (CurrUserCount(aclass) > 0) |
2895 |
dlinkDelete(&conf->node, &class_items); |
2896 |
else |
2897 |
delete_conf_item(conf); |
2898 |
} |
2899 |
} |
2900 |
} |
2901 |
|
2902 |
/* init_class() |
2903 |
* |
2904 |
* inputs - NONE |
2905 |
* output - NONE |
2906 |
* side effects - |
2907 |
*/ |
2908 |
void |
2909 |
init_class(void) |
2910 |
{ |
2911 |
struct ClassItem *aclass; |
2912 |
|
2913 |
class_default = make_conf_item(CLASS_TYPE); |
2914 |
aclass = (struct ClassItem *)map_to_conf(class_default); |
2915 |
DupString(class_default->name, "default"); |
2916 |
ConFreq(aclass) = DEFAULT_CONNECTFREQUENCY; |
2917 |
PingFreq(aclass) = DEFAULT_PINGFREQUENCY; |
2918 |
MaxTotal(aclass) = MAXIMUM_LINKS_DEFAULT; |
2919 |
MaxSendq(aclass) = DEFAULT_SENDQ; |
2920 |
|
2921 |
client_check_cb = register_callback("check_client", check_client); |
2922 |
} |
2923 |
|
2924 |
/* get_sendq() |
2925 |
* |
2926 |
* inputs - pointer to client |
2927 |
* output - sendq for this client as found from its class |
2928 |
* side effects - NONE |
2929 |
*/ |
2930 |
unsigned long |
2931 |
get_sendq(struct Client *client_p) |
2932 |
{ |
2933 |
unsigned long sendq = DEFAULT_SENDQ; |
2934 |
dlink_node *ptr; |
2935 |
struct ConfItem *conf; |
2936 |
struct ConfItem *class_conf; |
2937 |
struct ClassItem *aclass; |
2938 |
struct AccessItem *aconf; |
2939 |
|
2940 |
if (client_p && !IsMe(client_p) && (client_p->localClient->confs.head)) |
2941 |
{ |
2942 |
DLINK_FOREACH(ptr, client_p->localClient->confs.head) |
2943 |
{ |
2944 |
conf = ptr->data; |
2945 |
if ((conf->type == SERVER_TYPE) || (conf->type == OPER_TYPE) |
2946 |
|| (conf->type == CLIENT_TYPE)) |
2947 |
{ |
2948 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2949 |
if ((class_conf = aconf->class_ptr) == NULL) |
2950 |
continue; |
2951 |
aclass = (struct ClassItem *)map_to_conf(class_conf); |
2952 |
sendq = MaxSendq(aclass); |
2953 |
return sendq; |
2954 |
} |
2955 |
} |
2956 |
} |
2957 |
/* XXX return a default? |
2958 |
* if here, then there wasn't an attached conf with a sendq |
2959 |
* that is very bad -Dianora |
2960 |
*/ |
2961 |
return DEFAULT_SENDQ; |
2962 |
} |
2963 |
|
2964 |
/* conf_add_class_to_conf() |
2965 |
* |
2966 |
* inputs - pointer to config item |
2967 |
* output - NONE |
2968 |
* side effects - Add a class pointer to a conf |
2969 |
*/ |
2970 |
void |
2971 |
conf_add_class_to_conf(struct ConfItem *conf, const char *class_name) |
2972 |
{ |
2973 |
struct AccessItem *aconf; |
2974 |
struct ClassItem *aclass; |
2975 |
|
2976 |
aconf = (struct AccessItem *)map_to_conf(conf); |
2977 |
|
2978 |
if (class_name == NULL) |
2979 |
{ |
2980 |
aconf->class_ptr = class_default; |
2981 |
if (conf->type == CLIENT_TYPE) |
2982 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2983 |
"Warning *** Defaulting to default class for %s@%s", |
2984 |
aconf->user, aconf->host); |
2985 |
else |
2986 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2987 |
"Warning *** Defaulting to default class for %s", |
2988 |
conf->name); |
2989 |
} |
2990 |
else |
2991 |
{ |
2992 |
aconf->class_ptr = find_class(class_name); |
2993 |
} |
2994 |
|
2995 |
if (aconf->class_ptr == NULL) |
2996 |
{ |
2997 |
if (conf->type == CLIENT_TYPE) |
2998 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
2999 |
"Warning *** Defaulting to default class for %s@%s", |
3000 |
aconf->user, aconf->host); |
3001 |
else |
3002 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
3003 |
"Warning *** Defaulting to default class for %s", |
3004 |
conf->name); |
3005 |
aconf->class_ptr = class_default; |
3006 |
} |
3007 |
else |
3008 |
{ |
3009 |
aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr); |
3010 |
if (MaxTotal(aclass) < 0) |
3011 |
{ |
3012 |
aconf->class_ptr = class_default; |
3013 |
} |
3014 |
} |
3015 |
} |
3016 |
|
3017 |
#define MAXCONFLINKS 150 |
3018 |
|
3019 |
/* conf_add_server() |
3020 |
* |
3021 |
* inputs - pointer to config item |
3022 |
* - pointer to link count already on this conf |
3023 |
* output - NONE |
3024 |
* side effects - Add a connect block |
3025 |
*/ |
3026 |
int |
3027 |
conf_add_server(struct ConfItem *conf, unsigned int lcount, const char *class_name) |
3028 |
{ |
3029 |
struct AccessItem *aconf; |
3030 |
char *orig_host; |
3031 |
|
3032 |
aconf = map_to_conf(conf); |
3033 |
|
3034 |
conf_add_class_to_conf(conf, class_name); |
3035 |
|
3036 |
if (lcount > MAXCONFLINKS || !aconf->host || !conf->name) |
3037 |
{ |
3038 |
sendto_realops_flags(UMODE_ALL, L_ALL, "Bad connect block"); |
3039 |
ilog(L_WARN, "Bad connect block"); |
3040 |
return -1; |
3041 |
} |
3042 |
|
3043 |
if (EmptyString(aconf->passwd) && !IsConfCryptLink(aconf)) |
3044 |
{ |
3045 |
sendto_realops_flags(UMODE_ALL, L_ALL, "Bad connect block, name %s", |
3046 |
conf->name); |
3047 |
ilog(L_WARN, "Bad connect block, host %s", conf->name); |
3048 |
return -1; |
3049 |
} |
3050 |
|
3051 |
orig_host = aconf->host; |
3052 |
split_nuh(orig_host, NULL, &aconf->user, &aconf->host); |
3053 |
MyFree(orig_host); |
3054 |
lookup_confhost(conf); |
3055 |
|
3056 |
return 0; |
3057 |
} |
3058 |
|
3059 |
/* conf_add_d_conf() |
3060 |
* |
3061 |
* inputs - pointer to config item |
3062 |
* output - NONE |
3063 |
* side effects - Add a d/D line |
3064 |
*/ |
3065 |
void |
3066 |
conf_add_d_conf(struct AccessItem *aconf) |
3067 |
{ |
3068 |
if (aconf->host == NULL) |
3069 |
return; |
3070 |
|
3071 |
aconf->user = NULL; |
3072 |
|
3073 |
/* XXX - Should 'd' ever be in the old conf? For new conf we don't |
3074 |
* need this anyway, so I will disable it for now... -A1kmm |
3075 |
*/ |
3076 |
if (parse_netmask(aconf->host, NULL, NULL) == HM_HOST) |
3077 |
{ |
3078 |
ilog(L_WARN, "Invalid Dline %s ignored", aconf->host); |
3079 |
free_access_item(aconf); |
3080 |
} |
3081 |
else |
3082 |
{ |
3083 |
/* XXX ensure user is NULL */ |
3084 |
MyFree(aconf->user); |
3085 |
aconf->user = NULL; |
3086 |
add_conf_by_address(CONF_DLINE, aconf); |
3087 |
} |
3088 |
} |
3089 |
|
3090 |
/* yyerror() |
3091 |
* |
3092 |
* inputs - message from parser |
3093 |
* output - NONE |
3094 |
* side effects - message to opers and log file entry is made |
3095 |
*/ |
3096 |
void |
3097 |
yyerror(const char *msg) |
3098 |
{ |
3099 |
char newlinebuf[IRCD_BUFSIZE]; |
3100 |
|
3101 |
if (ypass != 1) |
3102 |
return; |
3103 |
|
3104 |
strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf)); |
3105 |
sendto_realops_flags(UMODE_ALL, L_ALL, "\"%s\", line %u: %s: %s", |
3106 |
conffilebuf, lineno + 1, msg, newlinebuf); |
3107 |
ilog(L_WARN, "\"%s\", line %u: %s: %s", |
3108 |
conffilebuf, lineno + 1, msg, newlinebuf); |
3109 |
} |
3110 |
|
3111 |
int |
3112 |
conf_fbgets(char *lbuf, unsigned int max_size, FBFILE *fb) |
3113 |
{ |
3114 |
if (fbgets(lbuf, max_size, fb) == NULL) |
3115 |
return 0; |
3116 |
|
3117 |
return strlen(lbuf); |
3118 |
} |
3119 |
|
3120 |
int |
3121 |
conf_yy_fatal_error(const char *msg) |
3122 |
{ |
3123 |
return 0; |
3124 |
} |
3125 |
|
3126 |
/* |
3127 |
* valid_tkline() |
3128 |
* |
3129 |
* inputs - pointer to ascii string to check |
3130 |
* - whether the specified time is in seconds or minutes |
3131 |
* output - -1 not enough parameters |
3132 |
* - 0 if not an integer number, else the number |
3133 |
* side effects - none |
3134 |
* Originally written by Dianora (Diane, db@db.net) |
3135 |
*/ |
3136 |
time_t |
3137 |
valid_tkline(char *p, int minutes) |
3138 |
{ |
3139 |
time_t result = 0; |
3140 |
|
3141 |
while (*p) |
3142 |
{ |
3143 |
if (IsDigit(*p)) |
3144 |
{ |
3145 |
result *= 10; |
3146 |
result += ((*p) & 0xF); |
3147 |
p++; |
3148 |
} |
3149 |
else |
3150 |
return 0; |
3151 |
} |
3152 |
|
3153 |
/* in the degenerate case where oper does a /quote kline 0 user@host :reason |
3154 |
* i.e. they specifically use 0, I am going to return 1 instead |
3155 |
* as a return value of non-zero is used to flag it as a temporary kline |
3156 |
*/ |
3157 |
|
3158 |
if (result == 0) |
3159 |
result = 1; |
3160 |
|
3161 |
/* |
3162 |
* If the incoming time is in seconds convert it to minutes for the purpose |
3163 |
* of this calculation |
3164 |
*/ |
3165 |
if (!minutes) |
3166 |
result = result / (time_t)60; |
3167 |
|
3168 |
if (result > MAX_TDKLINE_TIME) |
3169 |
result = MAX_TDKLINE_TIME; |
3170 |
|
3171 |
result = result * (time_t)60; /* turn it into seconds */ |
3172 |
|
3173 |
return result; |
3174 |
} |
3175 |
|
3176 |
/* valid_wild_card() |
3177 |
* |
3178 |
* input - pointer to client |
3179 |
* - int flag, 0 for no warning oper 1 for warning oper |
3180 |
* - count of following varargs to check |
3181 |
* output - 0 if not valid, 1 if valid |
3182 |
* side effects - NOTICE is given to source_p if warn is 1 |
3183 |
*/ |
3184 |
int |
3185 |
valid_wild_card(struct Client *source_p, int warn, int count, ...) |
3186 |
{ |
3187 |
char *p; |
3188 |
char tmpch; |
3189 |
int nonwild = 0; |
3190 |
va_list args; |
3191 |
|
3192 |
/* |
3193 |
* Now we must check the user and host to make sure there |
3194 |
* are at least NONWILDCHARS non-wildcard characters in |
3195 |
* them, otherwise assume they are attempting to kline |
3196 |
* *@* or some variant of that. This code will also catch |
3197 |
* people attempting to kline *@*.tld, as long as NONWILDCHARS |
3198 |
* is greater than 3. In that case, there are only 3 non-wild |
3199 |
* characters (tld), so if NONWILDCHARS is 4, the kline will |
3200 |
* be disallowed. |
3201 |
* -wnder |
3202 |
*/ |
3203 |
|
3204 |
va_start(args, count); |
3205 |
|
3206 |
while (count--) |
3207 |
{ |
3208 |
p = va_arg(args, char *); |
3209 |
if (p == NULL) |
3210 |
continue; |
3211 |
|
3212 |
while ((tmpch = *p++)) |
3213 |
{ |
3214 |
if (!IsKWildChar(tmpch)) |
3215 |
{ |
3216 |
/* |
3217 |
* If we find enough non-wild characters, we can |
3218 |
* break - no point in searching further. |
3219 |
*/ |
3220 |
if (++nonwild >= ConfigFileEntry.min_nonwildcard) |
3221 |
return 1; |
3222 |
} |
3223 |
} |
3224 |
} |
3225 |
|
3226 |
if (warn) |
3227 |
sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the mask", |
3228 |
me.name, source_p->name, ConfigFileEntry.min_nonwildcard); |
3229 |
return 0; |
3230 |
} |
3231 |
|
3232 |
/* XXX should this go into a separate file ? -Dianora */ |
3233 |
/* parse_aline |
3234 |
* |
3235 |
* input - pointer to cmd name being used |
3236 |
* - pointer to client using cmd |
3237 |
* - parc parameter count |
3238 |
* - parv[] list of parameters to parse |
3239 |
* - parse_flags bit map of things to test |
3240 |
* - pointer to user or string to parse into |
3241 |
* - pointer to host or NULL to parse into if non NULL |
3242 |
* - pointer to optional tkline time or NULL |
3243 |
* - pointer to target_server to parse into if non NULL |
3244 |
* - pointer to reason to parse into |
3245 |
* |
3246 |
* output - 1 if valid, -1 if not valid |
3247 |
* side effects - A generalised k/d/x etc. line parser, |
3248 |
* "ALINE [time] user@host|string [ON] target :reason" |
3249 |
* will parse returning a parsed user, host if |
3250 |
* h_p pointer is non NULL, string otherwise. |
3251 |
* if tkline_time pointer is non NULL a tk line will be set |
3252 |
* to non zero if found. |
3253 |
* if tkline_time pointer is NULL and tk line is found, |
3254 |
* error is reported. |
3255 |
* if target_server is NULL and an "ON" is found error |
3256 |
* is reported. |
3257 |
* if reason pointer is NULL ignore pointer, |
3258 |
* this allows usee of parse_a_line in unkline etc. |
3259 |
* |
3260 |
* - Dianora |
3261 |
*/ |
3262 |
int |
3263 |
parse_aline(const char *cmd, struct Client *source_p, |
3264 |
int parc, char **parv, |
3265 |
int parse_flags, char **up_p, char **h_p, time_t *tkline_time, |
3266 |
char **target_server, char **reason) |
3267 |
{ |
3268 |
int found_tkline_time=0; |
3269 |
static char def_reason[] = "No Reason"; |
3270 |
static char user[USERLEN*4+1]; |
3271 |
static char host[HOSTLEN*4+1]; |
3272 |
|
3273 |
parv++; |
3274 |
parc--; |
3275 |
|
3276 |
found_tkline_time = valid_tkline(*parv, TK_MINUTES); |
3277 |
|
3278 |
if (found_tkline_time != 0) |
3279 |
{ |
3280 |
parv++; |
3281 |
parc--; |
3282 |
|
3283 |
if (tkline_time != NULL) |
3284 |
*tkline_time = found_tkline_time; |
3285 |
else |
3286 |
{ |
3287 |
sendto_one(source_p, ":%s NOTICE %s :temp_line not supported by %s", |
3288 |
me.name, source_p->name, cmd); |
3289 |
return -1; |
3290 |
} |
3291 |
} |
3292 |
|
3293 |
if (parc == 0) |
3294 |
{ |
3295 |
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
3296 |
me.name, source_p->name, cmd); |
3297 |
return -1; |
3298 |
} |
3299 |
|
3300 |
if (h_p == NULL) |
3301 |
*up_p = *parv; |
3302 |
else |
3303 |
{ |
3304 |
if (find_user_host(source_p, *parv, user, host, parse_flags) == 0) |
3305 |
return -1; |
3306 |
|
3307 |
*up_p = user; |
3308 |
*h_p = host; |
3309 |
} |
3310 |
|
3311 |
parc--; |
3312 |
parv++; |
3313 |
|
3314 |
if (parc != 0) |
3315 |
{ |
3316 |
if (irccmp(*parv, "ON") == 0) |
3317 |
{ |
3318 |
parc--; |
3319 |
parv++; |
3320 |
|
3321 |
if (target_server == NULL) |
3322 |
{ |
3323 |
sendto_one(source_p, ":%s NOTICE %s :ON server not supported by %s", |
3324 |
me.name, source_p->name, cmd); |
3325 |
return -1; |
3326 |
} |
3327 |
|
3328 |
if (!IsOperRemoteBan(source_p)) |
3329 |
{ |
3330 |
sendto_one(source_p, form_str(ERR_NOPRIVS), |
3331 |
me.name, source_p->name, "remoteban"); |
3332 |
return -1; |
3333 |
} |
3334 |
|
3335 |
if (parc == 0 || EmptyString(*parv)) |
3336 |
{ |
3337 |
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
3338 |
me.name, source_p->name, cmd); |
3339 |
return -1; |
3340 |
} |
3341 |
|
3342 |
*target_server = *parv; |
3343 |
parc--; |
3344 |
parv++; |
3345 |
} |
3346 |
else |
3347 |
{ |
3348 |
/* Make sure target_server *is* NULL if no ON server found |
3349 |
* caller probably NULL'd it first, but no harm to do it again -db |
3350 |
*/ |
3351 |
if (target_server != NULL) |
3352 |
*target_server = NULL; |
3353 |
} |
3354 |
} |
3355 |
|
3356 |
if (h_p != NULL) |
3357 |
{ |
3358 |
if (strchr(user, '!') != NULL) |
3359 |
{ |
3360 |
sendto_one(source_p, ":%s NOTICE %s :Invalid character '!' in kline", |
3361 |
me.name, source_p->name); |
3362 |
return -1; |
3363 |
} |
3364 |
|
3365 |
if ((parse_flags & AWILD) && !valid_wild_card(source_p, YES, 2, *up_p, *h_p)) |
3366 |
return -1; |
3367 |
} |
3368 |
else |
3369 |
if ((parse_flags & AWILD) && !valid_wild_card(source_p, YES, 1, *up_p)) |
3370 |
return -1; |
3371 |
|
3372 |
if (reason != NULL) |
3373 |
{ |
3374 |
if (parc != 0) |
3375 |
{ |
3376 |
*reason = *parv; |
3377 |
if (!valid_comment(source_p, *reason, YES)) |
3378 |
return -1; |
3379 |
} |
3380 |
else |
3381 |
*reason = def_reason; |
3382 |
} |
3383 |
|
3384 |
return 1; |
3385 |
} |
3386 |
|
3387 |
/* find_user_host() |
3388 |
* |
3389 |
* inputs - pointer to client placing kline |
3390 |
* - pointer to user_host_or_nick |
3391 |
* - pointer to user buffer |
3392 |
* - pointer to host buffer |
3393 |
* output - 0 if not ok to kline, 1 to kline i.e. if valid user host |
3394 |
* side effects - |
3395 |
*/ |
3396 |
static int |
3397 |
find_user_host(struct Client *source_p, char *user_host_or_nick, |
3398 |
char *luser, char *lhost, unsigned int flags) |
3399 |
{ |
3400 |
struct Client *target_p = NULL; |
3401 |
char *hostp = NULL; |
3402 |
|
3403 |
if (lhost == NULL) |
3404 |
{ |
3405 |
strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); |
3406 |
return 1; |
3407 |
} |
3408 |
|
3409 |
if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*') |
3410 |
{ |
3411 |
/* Explicit user@host mask given */ |
3412 |
|
3413 |
if(hostp != NULL) /* I'm a little user@host */ |
3414 |
{ |
3415 |
*(hostp++) = '\0'; /* short and squat */ |
3416 |
if (*user_host_or_nick) |
3417 |
strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */ |
3418 |
else |
3419 |
strcpy(luser, "*"); |
3420 |
if (*hostp) |
3421 |
strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */ |
3422 |
else |
3423 |
strcpy(lhost, "*"); |
3424 |
} |
3425 |
else |
3426 |
{ |
3427 |
luser[0] = '*'; /* no @ found, assume its *@somehost */ |
3428 |
luser[1] = '\0'; |
3429 |
strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1); |
3430 |
} |
3431 |
|
3432 |
return 1; |
3433 |
} |
3434 |
else if (!(flags & NOUSERLOOKUP)) |
3435 |
{ |
3436 |
/* Try to find user@host mask from nick */ |
3437 |
/* Okay to use source_p as the first param, because source_p == client_p */ |
3438 |
if ((target_p = |
3439 |
find_chasing(source_p, source_p, user_host_or_nick, NULL)) == NULL) |
3440 |
return 0; |
3441 |
|
3442 |
if (IsExemptKline(target_p)) |
3443 |
{ |
3444 |
if (!IsServer(source_p)) |
3445 |
sendto_one(source_p, |
3446 |
":%s NOTICE %s :%s is E-lined", |
3447 |
me.name, source_p->name, target_p->name); |
3448 |
return 0; |
3449 |
} |
3450 |
|
3451 |
/* |
3452 |
* turn the "user" bit into "*user", blow away '~' |
3453 |
* if found in original user name (non-idented) |
3454 |
*/ |
3455 |
strlcpy(luser, target_p->username, USERLEN*4 + 1); |
3456 |
|
3457 |
if (target_p->username[0] == '~') |
3458 |
luser[0] = '*'; |
3459 |
|
3460 |
if (target_p->sockhost[0] == '\0' || |
3461 |
(target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0')) |
3462 |
strlcpy(lhost, target_p->host, HOSTLEN*4 + 1); |
3463 |
else |
3464 |
strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1); |
3465 |
return 1; |
3466 |
} |
3467 |
|
3468 |
return 0; |
3469 |
} |
3470 |
|
3471 |
/* valid_comment() |
3472 |
* |
3473 |
* inputs - pointer to client |
3474 |
* - pointer to comment |
3475 |
* output - 0 if no valid comment, |
3476 |
* - 1 if valid |
3477 |
* side effects - truncates reason where necessary |
3478 |
*/ |
3479 |
int |
3480 |
valid_comment(struct Client *source_p, char *comment, int warn) |
3481 |
{ |
3482 |
if (strchr(comment, '"')) |
3483 |
{ |
3484 |
if (warn) |
3485 |
sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"' in comment", |
3486 |
me.name, source_p->name); |
3487 |
return 0; |
3488 |
} |
3489 |
|
3490 |
if (strlen(comment) > REASONLEN) |
3491 |
comment[REASONLEN-1] = '\0'; |
3492 |
|
3493 |
return 1; |
3494 |
} |
3495 |
|
3496 |
/* match_conf_password() |
3497 |
* |
3498 |
* inputs - pointer to given password |
3499 |
* - pointer to Conf |
3500 |
* output - 1 or 0 if match |
3501 |
* side effects - none |
3502 |
*/ |
3503 |
int |
3504 |
match_conf_password(const char *password, const struct AccessItem *aconf) |
3505 |
{ |
3506 |
const char *encr = NULL; |
3507 |
|
3508 |
if (password == NULL || aconf->passwd == NULL) |
3509 |
return 0; |
3510 |
|
3511 |
if (aconf->flags & CONF_FLAGS_ENCRYPTED) |
3512 |
{ |
3513 |
/* use first two chars of the password they send in as salt */ |
3514 |
/* If the password in the conf is MD5, and ircd is linked |
3515 |
* to scrypt on FreeBSD, or the standard crypt library on |
3516 |
* glibc Linux, then this code will work fine on generating |
3517 |
* the proper encrypted hash for comparison. |
3518 |
*/ |
3519 |
if (*aconf->passwd) |
3520 |
encr = crypt(password, aconf->passwd); |
3521 |
else |
3522 |
encr = ""; |
3523 |
} |
3524 |
else |
3525 |
encr = password; |
3526 |
|
3527 |
return !strcmp(encr, aconf->passwd); |
3528 |
} |
3529 |
|
3530 |
/* |
3531 |
* cluster_a_line |
3532 |
* |
3533 |
* inputs - client sending the cluster |
3534 |
* - command name "KLINE" "XLINE" etc. |
3535 |
* - capab -- CAP_KLN etc. from s_serv.h |
3536 |
* - cluster type -- CLUSTER_KLINE etc. from s_conf.h |
3537 |
* - pattern and args to send along |
3538 |
* output - none |
3539 |
* side effects - Take source_p send the pattern with args given |
3540 |
* along to all servers that match capab and cluster type |
3541 |
*/ |
3542 |
void |
3543 |
cluster_a_line(struct Client *source_p, const char *command, |
3544 |
int capab, int cluster_type, const char *pattern, ...) |
3545 |
{ |
3546 |
va_list args; |
3547 |
char buffer[IRCD_BUFSIZE]; |
3548 |
struct ConfItem *conf; |
3549 |
dlink_node *ptr; |
3550 |
|
3551 |
va_start(args, pattern); |
3552 |
vsnprintf(buffer, sizeof(buffer), pattern, args); |
3553 |
va_end(args); |
3554 |
|
3555 |
DLINK_FOREACH(ptr, cluster_items.head) |
3556 |
{ |
3557 |
conf = ptr->data; |
3558 |
|
3559 |
if (conf->flags & cluster_type) |
3560 |
{ |
3561 |
sendto_match_servs(source_p, conf->name, CAP_CLUSTER|capab, |
3562 |
"%s %s %s", command, conf->name, buffer); |
3563 |
} |
3564 |
} |
3565 |
} |
3566 |
|
3567 |
/* |
3568 |
* split_nuh |
3569 |
* |
3570 |
* inputs - pointer to original mask (modified in place) |
3571 |
* - pointer to pointer where nick should go |
3572 |
* - pointer to pointer where user should go |
3573 |
* - pointer to pointer where host should go |
3574 |
* output - NONE |
3575 |
* side effects - mask is modified in place |
3576 |
* If nick pointer is NULL, ignore writing to it |
3577 |
* this allows us to use this function elsewhere. |
3578 |
* |
3579 |
* mask nick user host |
3580 |
* ---------------------- ------- ------- ------ |
3581 |
* Dianora!db@db.net Dianora db db.net |
3582 |
* Dianora Dianora * * |
3583 |
* db.net * * db.net |
3584 |
* OR if nick pointer is NULL |
3585 |
* Dianora - * Dianora |
3586 |
* Dianora! Dianora * * |
3587 |
* Dianora!@ Dianora * * |
3588 |
* Dianora!db Dianora db * |
3589 |
* Dianora!@db.net Dianora * db.net |
3590 |
* db@db.net * db db.net |
3591 |
* !@ * * * |
3592 |
* @ * * * |
3593 |
* ! * * * |
3594 |
*/ |
3595 |
|
3596 |
void |
3597 |
split_nuh(char *mask, char **nick, char **user, char **host) |
3598 |
{ |
3599 |
char *p = NULL, *q = NULL; |
3600 |
|
3601 |
if ((p = strchr(mask, '!')) != NULL) |
3602 |
{ |
3603 |
*p = '\0'; |
3604 |
if (nick != NULL) |
3605 |
{ |
3606 |
if (*mask != '\0') |
3607 |
*nick = xstrldup(mask, NICKLEN); |
3608 |
else |
3609 |
DupString(*nick, "*"); |
3610 |
} |
3611 |
|
3612 |
if ((q = strchr(++p, '@')) != NULL) |
3613 |
{ |
3614 |
*q = '\0'; |
3615 |
|
3616 |
if (*p != '\0') |
3617 |
*user = xstrldup(p, USERLEN+1); |
3618 |
else |
3619 |
DupString(*user, "*"); |
3620 |
|
3621 |
if (*++q != '\0') |
3622 |
*host = xstrldup(q, HOSTLEN+1); |
3623 |
else |
3624 |
DupString(*host, "*"); |
3625 |
} |
3626 |
else |
3627 |
{ |
3628 |
if (*p != '\0') |
3629 |
*user = xstrldup(p, USERLEN+1); |
3630 |
else |
3631 |
DupString(*user, "*"); |
3632 |
|
3633 |
DupString(*host, "*"); |
3634 |
} |
3635 |
} |
3636 |
else /* No ! found so lets look for a user@host */ |
3637 |
{ |
3638 |
if ((p = strchr(mask, '@')) != NULL) /* if found a @ */ |
3639 |
{ |
3640 |
if (nick != NULL) |
3641 |
DupString(*nick, "*"); |
3642 |
*p = '\0'; |
3643 |
|
3644 |
if (*mask != '\0') |
3645 |
*user = xstrldup(mask, USERLEN+1); |
3646 |
else |
3647 |
DupString(*user, "*"); |
3648 |
|
3649 |
if (*++p != '\0') |
3650 |
*host = xstrldup(p, HOSTLEN+1); |
3651 |
else |
3652 |
DupString(*host, "*"); |
3653 |
} |
3654 |
else /* no @ found */ |
3655 |
{ |
3656 |
if (nick != NULL) |
3657 |
{ |
3658 |
if (strpbrk(mask, ".:")) |
3659 |
{ |
3660 |
DupString(*nick, "*"); |
3661 |
*host = xstrldup(mask, HOSTLEN+1); |
3662 |
} |
3663 |
else |
3664 |
{ |
3665 |
*nick = xstrldup(mask, NICKLEN); |
3666 |
DupString(*host, "*"); |
3667 |
} |
3668 |
|
3669 |
DupString(*user, "*"); |
3670 |
} |
3671 |
else |
3672 |
{ |
3673 |
DupString(*user, "*"); |
3674 |
*host = xstrldup(mask, HOSTLEN+1); |
3675 |
} |
3676 |
} |
3677 |
} |
3678 |
} |
3679 |
|
3680 |
/* |
3681 |
* flags_to_ascii |
3682 |
* |
3683 |
* inputs - flags is a bitmask |
3684 |
* - pointer to table of ascii letters corresponding |
3685 |
* to each bit |
3686 |
* - flag 1 for convert ToLower if bit missing |
3687 |
* 0 if ignore. |
3688 |
* output - none |
3689 |
* side effects - string pointed to by p has bitmap chars written to it |
3690 |
*/ |
3691 |
static void |
3692 |
flags_to_ascii(unsigned int flags, const unsigned int bit_table[], char *p, |
3693 |
int lowerit) |
3694 |
{ |
3695 |
unsigned int mask = 1; |
3696 |
int i = 0; |
3697 |
|
3698 |
for (mask = 1; (mask != 0) && (bit_table[i] != 0); mask <<= 1, i++) |
3699 |
{ |
3700 |
if (flags & mask) |
3701 |
*p++ = bit_table[i]; |
3702 |
else if(lowerit) |
3703 |
*p++ = ToLower(bit_table[i]); |
3704 |
} |
3705 |
*p = '\0'; |
3706 |
} |
3707 |
|
3708 |
/* |
3709 |
* cidr_limit_reached |
3710 |
* |
3711 |
* inputs - int flag allowing over_rule of limits |
3712 |
* - pointer to the ip to be added |
3713 |
* - pointer to the class |
3714 |
* output - non zero if limit reached |
3715 |
* 0 if limit not reached |
3716 |
* side effects - |
3717 |
*/ |
3718 |
static int |
3719 |
cidr_limit_reached(int over_rule, |
3720 |
struct irc_ssaddr *ip, struct ClassItem *aclass) |
3721 |
{ |
3722 |
dlink_node *ptr = NULL; |
3723 |
struct CidrItem *cidr; |
3724 |
|
3725 |
if (NumberPerCidr(aclass) <= 0) |
3726 |
return 0; |
3727 |
|
3728 |
if (ip->ss.ss_family == AF_INET) |
3729 |
{ |
3730 |
if (CidrBitlenIPV4(aclass) <= 0) |
3731 |
return 0; |
3732 |
|
3733 |
DLINK_FOREACH(ptr, aclass->list_ipv4.head) |
3734 |
{ |
3735 |
cidr = ptr->data; |
3736 |
if (match_ipv4(ip, &cidr->mask, CidrBitlenIPV4(aclass))) |
3737 |
{ |
3738 |
if (!over_rule && (cidr->number_on_this_cidr >= NumberPerCidr(aclass))) |
3739 |
return -1; |
3740 |
cidr->number_on_this_cidr++; |
3741 |
return 0; |
3742 |
} |
3743 |
} |
3744 |
cidr = MyMalloc(sizeof(struct CidrItem)); |
3745 |
cidr->number_on_this_cidr = 1; |
3746 |
cidr->mask = *ip; |
3747 |
mask_addr(&cidr->mask, CidrBitlenIPV4(aclass)); |
3748 |
dlinkAdd(cidr, &cidr->node, &aclass->list_ipv4); |
3749 |
} |
3750 |
#ifdef IPV6 |
3751 |
else if (CidrBitlenIPV6(aclass) > 0) |
3752 |
{ |
3753 |
DLINK_FOREACH(ptr, aclass->list_ipv6.head) |
3754 |
{ |
3755 |
cidr = ptr->data; |
3756 |
if (match_ipv6(ip, &cidr->mask, CidrBitlenIPV6(aclass))) |
3757 |
{ |
3758 |
if (!over_rule && (cidr->number_on_this_cidr >= NumberPerCidr(aclass))) |
3759 |
return -1; |
3760 |
cidr->number_on_this_cidr++; |
3761 |
return 0; |
3762 |
} |
3763 |
} |
3764 |
cidr = MyMalloc(sizeof(struct CidrItem)); |
3765 |
cidr->number_on_this_cidr = 1; |
3766 |
cidr->mask = *ip; |
3767 |
mask_addr(&cidr->mask, CidrBitlenIPV6(aclass)); |
3768 |
dlinkAdd(cidr, &cidr->node, &aclass->list_ipv6); |
3769 |
} |
3770 |
#endif |
3771 |
return 0; |
3772 |
} |
3773 |
|
3774 |
/* |
3775 |
* remove_from_cidr_check |
3776 |
* |
3777 |
* inputs - pointer to the ip to be removed |
3778 |
* - pointer to the class |
3779 |
* output - NONE |
3780 |
* side effects - |
3781 |
*/ |
3782 |
static void |
3783 |
remove_from_cidr_check(struct irc_ssaddr *ip, struct ClassItem *aclass) |
3784 |
{ |
3785 |
dlink_node *ptr = NULL; |
3786 |
dlink_node *next_ptr = NULL; |
3787 |
struct CidrItem *cidr; |
3788 |
|
3789 |
if (NumberPerCidr(aclass) == 0) |
3790 |
return; |
3791 |
|
3792 |
if (ip->ss.ss_family == AF_INET) |
3793 |
{ |
3794 |
if (CidrBitlenIPV4(aclass) <= 0) |
3795 |
return; |
3796 |
|
3797 |
DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv4.head) |
3798 |
{ |
3799 |
cidr = ptr->data; |
3800 |
if (match_ipv4(ip, &cidr->mask, CidrBitlenIPV4(aclass))) |
3801 |
{ |
3802 |
cidr->number_on_this_cidr--; |
3803 |
if (cidr->number_on_this_cidr == 0) |
3804 |
{ |
3805 |
dlinkDelete(ptr, &aclass->list_ipv4); |
3806 |
MyFree(cidr); |
3807 |
return; |
3808 |
} |
3809 |
} |
3810 |
} |
3811 |
} |
3812 |
#ifdef IPV6 |
3813 |
else if (CidrBitlenIPV6(aclass) > 0) |
3814 |
{ |
3815 |
DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv6.head) |
3816 |
{ |
3817 |
cidr = ptr->data; |
3818 |
if (match_ipv6(ip, &cidr->mask, CidrBitlenIPV6(aclass))) |
3819 |
{ |
3820 |
cidr->number_on_this_cidr--; |
3821 |
if (cidr->number_on_this_cidr == 0) |
3822 |
{ |
3823 |
dlinkDelete(ptr, &aclass->list_ipv6); |
3824 |
MyFree(cidr); |
3825 |
return; |
3826 |
} |
3827 |
} |
3828 |
} |
3829 |
} |
3830 |
#endif |
3831 |
} |
3832 |
|
3833 |
static void |
3834 |
rebuild_cidr_list(int aftype, struct ConfItem *oldcl, struct ClassItem *newcl, |
3835 |
dlink_list *old_list, dlink_list *new_list, int changed) |
3836 |
{ |
3837 |
dlink_node *ptr; |
3838 |
struct Client *client_p; |
3839 |
struct ConfItem *conf; |
3840 |
struct AccessItem *aconf; |
3841 |
|
3842 |
if (!changed) |
3843 |
{ |
3844 |
*new_list = *old_list; |
3845 |
old_list->head = old_list->tail = NULL; |
3846 |
old_list->length = 0; |
3847 |
return; |
3848 |
} |
3849 |
|
3850 |
DLINK_FOREACH(ptr, local_client_list.head) |
3851 |
{ |
3852 |
client_p = ptr->data; |
3853 |
if (client_p->localClient->aftype != aftype) |
3854 |
continue; |
3855 |
if (dlink_list_length(&client_p->localClient->confs) == 0) |
3856 |
continue; |
3857 |
|
3858 |
conf = client_p->localClient->confs.tail->data; |
3859 |
if (conf->type == CLIENT_TYPE) |
3860 |
{ |
3861 |
aconf = map_to_conf(conf); |
3862 |
if (aconf->class_ptr == oldcl) |
3863 |
cidr_limit_reached(1, &client_p->localClient->ip, newcl); |
3864 |
} |
3865 |
} |
3866 |
} |
3867 |
|
3868 |
/* |
3869 |
* rebuild_cidr_class |
3870 |
* |
3871 |
* inputs - pointer to old conf |
3872 |
* - pointer to new_class |
3873 |
* output - none |
3874 |
* side effects - rebuilds the class link list of cidr blocks |
3875 |
*/ |
3876 |
void |
3877 |
rebuild_cidr_class(struct ConfItem *conf, struct ClassItem *new_class) |
3878 |
{ |
3879 |
struct ClassItem *old_class = map_to_conf(conf); |
3880 |
|
3881 |
if (NumberPerCidr(old_class) > 0 && NumberPerCidr(new_class) > 0) |
3882 |
{ |
3883 |
if (CidrBitlenIPV4(old_class) > 0 && CidrBitlenIPV4(new_class) > 0) |
3884 |
rebuild_cidr_list(AF_INET, conf, new_class, |
3885 |
&old_class->list_ipv4, &new_class->list_ipv4, |
3886 |
CidrBitlenIPV4(old_class) != CidrBitlenIPV4(new_class)); |
3887 |
|
3888 |
#ifdef IPV6 |
3889 |
if (CidrBitlenIPV6(old_class) > 0 && CidrBitlenIPV6(new_class) > 0) |
3890 |
rebuild_cidr_list(AF_INET6, conf, new_class, |
3891 |
&old_class->list_ipv6, &new_class->list_ipv6, |
3892 |
CidrBitlenIPV6(old_class) != CidrBitlenIPV6(new_class)); |
3893 |
#endif |
3894 |
} |
3895 |
|
3896 |
destroy_cidr_class(old_class); |
3897 |
} |
3898 |
|
3899 |
/* |
3900 |
* destroy_cidr_list |
3901 |
* |
3902 |
* inputs - pointer to class dlink list of cidr blocks |
3903 |
* output - none |
3904 |
* side effects - completely destroys the class link list of cidr blocks |
3905 |
*/ |
3906 |
static void |
3907 |
destroy_cidr_list(dlink_list *list) |
3908 |
{ |
3909 |
dlink_node *ptr = NULL; |
3910 |
dlink_node *next_ptr = NULL; |
3911 |
struct CidrItem *cidr; |
3912 |
|
3913 |
DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) |
3914 |
{ |
3915 |
cidr = ptr->data; |
3916 |
dlinkDelete(ptr, list); |
3917 |
MyFree(cidr); |
3918 |
} |
3919 |
} |
3920 |
|
3921 |
/* |
3922 |
* destroy_cidr_class |
3923 |
* |
3924 |
* inputs - pointer to class |
3925 |
* output - none |
3926 |
* side effects - completely destroys the class link list of cidr blocks |
3927 |
*/ |
3928 |
static void |
3929 |
destroy_cidr_class(struct ClassItem *aclass) |
3930 |
{ |
3931 |
destroy_cidr_list(&aclass->list_ipv4); |
3932 |
destroy_cidr_list(&aclass->list_ipv6); |
3933 |
} |