]>
Commit | Line | Data |
---|---|---|
212380e3 AC |
1 | /* |
2 | * charybdis: an advanced internet relay chat daemon (ircd). | |
3 | * hostmask.c: Code to efficiently find IP & hostmask based configs. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * Copyright (C) 2005-2006 charybdis development team | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
23 | * USA | |
24 | * | |
25 | * $Id: hostmask.c 2757 2006-11-10 22:58:15Z jilles $ | |
26 | */ | |
27 | ||
28 | #include "stdinc.h" | |
29 | #include "memory.h" | |
30 | #include "ircd_defs.h" | |
31 | #include "s_conf.h" | |
32 | #include "hostmask.h" | |
33 | #include "numeric.h" | |
34 | #include "send.h" | |
35 | #include "irc_string.h" | |
36 | ||
37 | #ifdef IPV6 | |
38 | static unsigned long hash_ipv6(struct sockaddr *, int); | |
39 | #endif | |
40 | static unsigned long hash_ipv4(struct sockaddr *, int); | |
41 | ||
42 | ||
43 | /* int parse_netmask(const char *, struct irc_sockaddr_storage *, int *); | |
44 | * Input: A hostmask, or an IPV4/6 address. | |
45 | * Output: An integer describing whether it is an IPV4, IPV6 address or a | |
46 | * hostmask, an address(if it is an IP mask), | |
47 | * a bitlength(if it is IP mask). | |
48 | * Side effects: None | |
49 | */ | |
50 | int | |
51 | parse_netmask(const char *text, struct sockaddr *naddr, int *nb) | |
52 | { | |
53 | char *ip = LOCAL_COPY(text); | |
54 | char *ptr; | |
55 | struct irc_sockaddr_storage *addr, xaddr; | |
56 | int *b, xb; | |
57 | if(nb == NULL) | |
58 | b = &xb; | |
59 | else | |
60 | b = nb; | |
61 | ||
62 | if(naddr == NULL) | |
63 | addr = (struct irc_sockaddr_storage *)&xaddr; | |
64 | else | |
65 | addr = (struct irc_sockaddr_storage *)naddr; | |
66 | ||
67 | #ifdef IPV6 | |
68 | if(strchr(ip, ':')) | |
69 | { | |
70 | if((ptr = strchr(ip, '/'))) | |
71 | { | |
72 | *ptr = '\0'; | |
73 | ptr++; | |
74 | *b = atoi(ptr); | |
75 | if(*b > 128) | |
76 | *b = 128; | |
77 | } else | |
78 | *b = 128; | |
79 | if(inetpton_sock(ip, (struct sockaddr *)addr) > 0) | |
80 | return HM_IPV6; | |
81 | else | |
82 | return HM_HOST; | |
83 | } else | |
84 | #endif | |
85 | if(strchr(text, '.')) | |
86 | { | |
87 | if((ptr = strchr(ip, '/'))) | |
88 | { | |
89 | *ptr = '\0'; | |
90 | ptr++; | |
91 | *b = atoi(ptr); | |
92 | if(*b > 32) | |
93 | *b = 32; | |
94 | } else | |
95 | *b = 32; | |
96 | if(inetpton_sock(ip, (struct sockaddr *)addr) > 0) | |
97 | return HM_IPV4; | |
98 | else | |
99 | return HM_HOST; | |
100 | } | |
101 | return HM_HOST; | |
102 | } | |
103 | ||
104 | /* Hashtable stuff...now external as its used in m_stats.c */ | |
105 | struct AddressRec *atable[ATABLE_SIZE]; | |
106 | ||
107 | void | |
108 | init_host_hash(void) | |
109 | { | |
110 | memset(&atable, 0, sizeof(atable)); | |
111 | } | |
112 | ||
113 | /* unsigned long hash_ipv4(struct irc_sockaddr_storage*) | |
114 | * Input: An IP address. | |
115 | * Output: A hash value of the IP address. | |
116 | * Side effects: None | |
117 | */ | |
118 | static unsigned long | |
119 | hash_ipv4(struct sockaddr *saddr, int bits) | |
120 | { | |
121 | struct sockaddr_in *addr = (struct sockaddr_in *) saddr; | |
122 | ||
123 | if(bits != 0) | |
124 | { | |
125 | unsigned long av = ntohl(addr->sin_addr.s_addr) & ~((1 << (32 - bits)) - 1); | |
126 | return (av ^ (av >> 12) ^ (av >> 24)) & (ATABLE_SIZE - 1); | |
127 | } | |
128 | ||
129 | return 0; | |
130 | } | |
131 | ||
132 | /* unsigned long hash_ipv6(struct irc_sockaddr_storage*) | |
133 | * Input: An IP address. | |
134 | * Output: A hash value of the IP address. | |
135 | * Side effects: None | |
136 | */ | |
137 | #ifdef IPV6 | |
138 | static unsigned long | |
139 | hash_ipv6(struct sockaddr *saddr, int bits) | |
140 | { | |
141 | struct sockaddr_in6 *addr = (struct sockaddr_in6 *) saddr; | |
142 | unsigned long v = 0, n; | |
143 | for (n = 0; n < 16; n++) | |
144 | { | |
145 | if(bits >= 8) | |
146 | { | |
147 | v ^= addr->sin6_addr.s6_addr[n]; | |
148 | bits -= 8; | |
149 | } | |
150 | else if(bits) | |
151 | { | |
152 | v ^= addr->sin6_addr.s6_addr[n] & ~((1 << (8 - bits)) - 1); | |
153 | return v & (ATABLE_SIZE - 1); | |
154 | } | |
155 | else | |
156 | return v & (ATABLE_SIZE - 1); | |
157 | } | |
158 | return v & (ATABLE_SIZE - 1); | |
159 | } | |
160 | #endif | |
161 | ||
162 | /* int hash_text(const char *start) | |
163 | * Input: The start of the text to hash. | |
164 | * Output: The hash of the string between 1 and (TH_MAX-1) | |
165 | * Side-effects: None. | |
166 | */ | |
167 | static int | |
168 | hash_text(const char *start) | |
169 | { | |
170 | const char *p = start; | |
171 | unsigned long h = 0; | |
172 | ||
173 | while(*p) | |
174 | { | |
175 | h = (h << 4) - (h + (unsigned char) ToLower(*p++)); | |
176 | } | |
177 | ||
178 | return (h & (ATABLE_SIZE - 1)); | |
179 | } | |
180 | ||
181 | /* unsigned long get_hash_mask(const char *) | |
182 | * Input: The text to hash. | |
183 | * Output: The hash of the string right of the first '.' past the last | |
184 | * wildcard in the string. | |
185 | * Side-effects: None. | |
186 | */ | |
187 | static unsigned long | |
188 | get_mask_hash(const char *text) | |
189 | { | |
190 | const char *hp = "", *p; | |
191 | ||
192 | for (p = text + strlen(text) - 1; p >= text; p--) | |
193 | if(*p == '*' || *p == '?') | |
194 | return hash_text(hp); | |
195 | else if(*p == '.') | |
196 | hp = p + 1; | |
197 | return hash_text(text); | |
198 | } | |
199 | ||
200 | /* struct ConfItem* find_conf_by_address(const char*, struct irc_sockaddr_storage*, | |
201 | * int type, int fam, const char *username) | |
202 | * Input: The hostname, the address, the type of mask to find, the address | |
203 | * family, the username. | |
204 | * Output: The matching value with the highest precedence. | |
205 | * Side-effects: None | |
206 | * Note: Setting bit 0 of the type means that the username is ignored. | |
207 | */ | |
208 | struct ConfItem * | |
209 | find_conf_by_address(const char *name, const char *sockhost, | |
210 | const char *orighost, | |
211 | struct sockaddr *addr, int type, int fam, | |
212 | const char *username) | |
213 | { | |
214 | unsigned long hprecv = 0; | |
215 | struct ConfItem *hprec = NULL; | |
216 | struct AddressRec *arec; | |
217 | int b; | |
218 | ||
219 | if(username == NULL) | |
220 | username = ""; | |
221 | ||
222 | if(addr) | |
223 | { | |
224 | /* Check for IPV6 matches... */ | |
225 | #ifdef IPV6 | |
226 | if(fam == AF_INET6) | |
227 | { | |
228 | ||
229 | for (b = 128; b >= 0; b -= 16) | |
230 | { | |
231 | for (arec = atable[hash_ipv6(addr, b)]; arec; arec = arec->next) | |
232 | if(arec->type == (type & ~0x1) && | |
233 | arec->masktype == HM_IPV6 && | |
234 | comp_with_mask_sock(addr, (struct sockaddr *)&arec->Mask.ipa.addr, | |
235 | arec->Mask.ipa.bits) && (type & 0x1 | |
236 | || | |
237 | match(arec-> | |
238 | username, | |
239 | username)) | |
240 | && arec->precedence > hprecv) | |
241 | { | |
242 | hprecv = arec->precedence; | |
243 | hprec = arec->aconf; | |
244 | } | |
245 | } | |
246 | } | |
247 | else | |
248 | #endif | |
249 | if(fam == AF_INET) | |
250 | { | |
251 | for (b = 32; b >= 0; b -= 8) | |
252 | { | |
253 | for (arec = atable[hash_ipv4(addr, b)]; arec; arec = arec->next) | |
254 | if(arec->type == (type & ~0x1) && | |
255 | arec->masktype == HM_IPV4 && | |
256 | arec->precedence > hprecv && | |
257 | comp_with_mask_sock(addr, (struct sockaddr *)&arec->Mask.ipa.addr, | |
258 | arec->Mask.ipa.bits) && | |
259 | (type & 0x1 || match(arec->username, username))) | |
260 | { | |
261 | hprecv = arec->precedence; | |
262 | hprec = arec->aconf; | |
263 | } | |
264 | } | |
265 | } | |
266 | } | |
267 | ||
268 | if(orighost != NULL) | |
269 | { | |
270 | const char *p; | |
271 | ||
272 | for (p = orighost; p != NULL;) | |
273 | { | |
274 | for (arec = atable[hash_text(p)]; arec; arec = arec->next) | |
275 | ||
276 | if((arec->type == (type & ~0x1)) && | |
277 | (arec->masktype == HM_HOST) && | |
278 | arec->precedence > hprecv && | |
279 | match(arec->Mask.hostname, orighost) && | |
280 | (type & 0x1 || match(arec->username, username))) | |
281 | { | |
282 | hprecv = arec->precedence; | |
283 | hprec = arec->aconf; | |
284 | } | |
285 | p = strchr(p, '.'); | |
286 | if(p != NULL) | |
287 | p++; | |
288 | else | |
289 | break; | |
290 | } | |
291 | for (arec = atable[0]; arec; arec = arec->next) | |
292 | { | |
293 | if(arec->type == (type & ~0x1) && | |
294 | arec->masktype == HM_HOST && | |
295 | arec->precedence > hprecv && | |
296 | (match(arec->Mask.hostname, orighost) || | |
297 | (sockhost && match(arec->Mask.hostname, sockhost))) && | |
298 | (type & 0x1 || match(arec->username, username))) | |
299 | { | |
300 | hprecv = arec->precedence; | |
301 | hprec = arec->aconf; | |
302 | } | |
303 | } | |
304 | } | |
305 | ||
306 | if(name != NULL) | |
307 | { | |
308 | const char *p; | |
309 | /* And yes - we have to check p after strchr and p after increment for | |
310 | * NULL -kre */ | |
311 | for (p = name; p != NULL;) | |
312 | { | |
313 | for (arec = atable[hash_text(p)]; arec; arec = arec->next) | |
314 | if((arec->type == (type & ~0x1)) && | |
315 | (arec->masktype == HM_HOST) && | |
316 | arec->precedence > hprecv && | |
317 | match(arec->Mask.hostname, name) && | |
318 | (type & 0x1 || match(arec->username, username))) | |
319 | { | |
320 | hprecv = arec->precedence; | |
321 | hprec = arec->aconf; | |
322 | } | |
323 | p = strchr(p, '.'); | |
324 | if(p != NULL) | |
325 | p++; | |
326 | else | |
327 | break; | |
328 | } | |
329 | for (arec = atable[0]; arec; arec = arec->next) | |
330 | { | |
331 | if(arec->type == (type & ~0x1) && | |
332 | arec->masktype == HM_HOST && | |
333 | arec->precedence > hprecv && | |
334 | (match(arec->Mask.hostname, name) || | |
335 | (sockhost && match(arec->Mask.hostname, sockhost))) && | |
336 | (type & 0x1 || match(arec->username, username))) | |
337 | { | |
338 | hprecv = arec->precedence; | |
339 | hprec = arec->aconf; | |
340 | } | |
341 | } | |
342 | } | |
343 | return hprec; | |
344 | } | |
345 | ||
346 | /* struct ConfItem* find_address_conf(const char*, const char*, | |
347 | * struct irc_sockaddr_storage*, int); | |
348 | * Input: The hostname, username, address, address family. | |
349 | * Output: The applicable ConfItem. | |
350 | * Side-effects: None | |
351 | */ | |
352 | struct ConfItem * | |
353 | find_address_conf(const char *host, const char *sockhost, const char *user, | |
354 | const char *notildeuser, struct sockaddr *ip, int aftype) | |
355 | { | |
356 | struct ConfItem *iconf, *kconf; | |
357 | const char *vuser; | |
358 | ||
359 | /* Find the best I-line... If none, return NULL -A1kmm */ | |
360 | if(!(iconf = find_conf_by_address(host, sockhost, NULL, ip, CONF_CLIENT, aftype, user))) | |
361 | return NULL; | |
362 | /* Find what their visible username will be. | |
363 | * Note that the username without tilde may contain one char more. | |
364 | * -- jilles */ | |
365 | vuser = IsNoTilde(iconf) ? notildeuser : user; | |
366 | ||
367 | /* If they are exempt from K-lines, return the best I-line. -A1kmm */ | |
368 | if(IsConfExemptKline(iconf)) | |
369 | return iconf; | |
370 | ||
371 | /* Find the best K-line... -A1kmm */ | |
372 | kconf = find_conf_by_address(host, sockhost, NULL, ip, CONF_KILL, aftype, user); | |
373 | ||
374 | /* If they are K-lined, return the K-line */ | |
375 | if(kconf) | |
376 | return kconf; | |
377 | ||
378 | /* if theres a spoof, check it against klines.. */ | |
379 | if(IsConfDoSpoofIp(iconf)) | |
380 | { | |
381 | char *p = strchr(iconf->name, '@'); | |
382 | ||
383 | /* note, we dont need to pass sockhost here, as its | |
384 | * guaranteed to not match by whats above.. --anfl | |
385 | */ | |
386 | if(p) | |
387 | { | |
388 | *p = '\0'; | |
389 | kconf = find_conf_by_address(p+1, NULL, NULL, ip, CONF_KILL, aftype, iconf->name); | |
390 | *p = '@'; | |
391 | } | |
392 | else | |
393 | kconf = find_conf_by_address(iconf->name, NULL, NULL, ip, CONF_KILL, aftype, vuser); | |
394 | ||
395 | if(kconf) | |
396 | return kconf; | |
397 | } | |
398 | ||
399 | /* if no_tilde, check the username without tilde against klines too | |
400 | * -- jilles */ | |
401 | if(user != vuser) | |
402 | { | |
403 | kconf = find_conf_by_address(host, sockhost, NULL, ip, CONF_KILL, aftype, vuser); | |
404 | if(kconf) | |
405 | return kconf; | |
406 | } | |
407 | ||
408 | /* hunt for a gline */ | |
409 | if(ConfigFileEntry.glines) | |
410 | { | |
411 | kconf = find_conf_by_address(host, sockhost, NULL, ip, CONF_GLINE, aftype, user); | |
412 | ||
413 | if((kconf != NULL) && !IsConfExemptGline(iconf)) | |
414 | return kconf; | |
415 | } | |
416 | ||
417 | return iconf; | |
418 | } | |
419 | ||
420 | /* struct ConfItem* find_dline(struct irc_sockaddr_storage*, int) | |
421 | * Input: An address, an address family. | |
422 | * Output: The best matching D-line or exempt line. | |
423 | * Side effects: None. | |
424 | */ | |
425 | struct ConfItem * | |
426 | find_dline(struct sockaddr *addr, int aftype) | |
427 | { | |
428 | struct ConfItem *eline; | |
429 | eline = find_conf_by_address(NULL, NULL, NULL, addr, CONF_EXEMPTDLINE | 1, aftype, NULL); | |
430 | if(eline) | |
431 | return eline; | |
432 | return find_conf_by_address(NULL, NULL, NULL, addr, CONF_DLINE | 1, aftype, NULL); | |
433 | } | |
434 | ||
435 | /* void add_conf_by_address(const char*, int, const char *, | |
436 | * struct ConfItem *aconf) | |
437 | * Input: | |
438 | * Output: None | |
439 | * Side-effects: Adds this entry to the hash table. | |
440 | */ | |
441 | void | |
442 | add_conf_by_address(const char *address, int type, const char *username, struct ConfItem *aconf) | |
443 | { | |
444 | static unsigned long prec_value = 0xFFFFFFFF; | |
445 | int masktype, bits; | |
446 | unsigned long hv; | |
447 | struct AddressRec *arec; | |
448 | ||
449 | if(address == NULL) | |
450 | address = "/NOMATCH!/"; | |
451 | arec = MyMalloc(sizeof(struct AddressRec)); | |
452 | masktype = parse_netmask(address, (struct sockaddr *)&arec->Mask.ipa.addr, &bits); | |
453 | arec->Mask.ipa.bits = bits; | |
454 | arec->masktype = masktype; | |
455 | #ifdef IPV6 | |
456 | if(masktype == HM_IPV6) | |
457 | { | |
458 | /* We have to do this, since we do not re-hash for every bit -A1kmm. */ | |
459 | bits -= bits % 16; | |
460 | arec->next = atable[(hv = hash_ipv6((struct sockaddr *)&arec->Mask.ipa.addr, bits))]; | |
461 | atable[hv] = arec; | |
462 | } | |
463 | else | |
464 | #endif | |
465 | if(masktype == HM_IPV4) | |
466 | { | |
467 | /* We have to do this, since we do not re-hash for every bit -A1kmm. */ | |
468 | bits -= bits % 8; | |
469 | arec->next = atable[(hv = hash_ipv4((struct sockaddr *)&arec->Mask.ipa.addr, bits))]; | |
470 | atable[hv] = arec; | |
471 | } | |
472 | else | |
473 | { | |
474 | arec->Mask.hostname = address; | |
475 | arec->next = atable[(hv = get_mask_hash(address))]; | |
476 | atable[hv] = arec; | |
477 | } | |
478 | arec->username = username; | |
479 | arec->aconf = aconf; | |
480 | arec->precedence = prec_value--; | |
481 | arec->type = type; | |
482 | } | |
483 | ||
484 | /* void delete_one_address(const char*, struct ConfItem*) | |
485 | * Input: An address string, the associated ConfItem. | |
486 | * Output: None | |
487 | * Side effects: Deletes an address record. Frees the ConfItem if there | |
488 | * is nothing referencing it, sets it as illegal otherwise. | |
489 | */ | |
490 | void | |
491 | delete_one_address_conf(const char *address, struct ConfItem *aconf) | |
492 | { | |
493 | int masktype, bits; | |
494 | unsigned long hv; | |
495 | struct AddressRec *arec, *arecl = NULL; | |
496 | struct irc_sockaddr_storage addr; | |
497 | masktype = parse_netmask(address, (struct sockaddr *)&addr, &bits); | |
498 | #ifdef IPV6 | |
499 | if(masktype == HM_IPV6) | |
500 | { | |
501 | /* We have to do this, since we do not re-hash for every bit -A1kmm. */ | |
502 | bits -= bits % 16; | |
503 | hv = hash_ipv6((struct sockaddr *)&addr, bits); | |
504 | } | |
505 | else | |
506 | #endif | |
507 | if(masktype == HM_IPV4) | |
508 | { | |
509 | /* We have to do this, since we do not re-hash for every bit -A1kmm. */ | |
510 | bits -= bits % 8; | |
511 | hv = hash_ipv4((struct sockaddr *)&addr, bits); | |
512 | } | |
513 | else | |
514 | hv = get_mask_hash(address); | |
515 | for (arec = atable[hv]; arec; arec = arec->next) | |
516 | { | |
517 | if(arec->aconf == aconf) | |
518 | { | |
519 | if(arecl) | |
520 | arecl->next = arec->next; | |
521 | else | |
522 | atable[hv] = arec->next; | |
523 | aconf->status |= CONF_ILLEGAL; | |
524 | if(!aconf->clients) | |
525 | free_conf(aconf); | |
526 | MyFree(arec); | |
527 | return; | |
528 | } | |
529 | arecl = arec; | |
530 | } | |
531 | } | |
532 | ||
533 | /* void clear_out_address_conf(void) | |
534 | * Input: None | |
535 | * Output: None | |
536 | * Side effects: Clears out all address records in the hash table, | |
537 | * frees them, and frees the ConfItems if nothing references | |
538 | * them, otherwise sets them as illegal. | |
539 | */ | |
540 | void | |
541 | clear_out_address_conf(void) | |
542 | { | |
543 | int i; | |
544 | struct AddressRec **store_next; | |
545 | struct AddressRec *arec, *arecn; | |
546 | ||
547 | for (i = 0; i < ATABLE_SIZE; i++) | |
548 | { | |
549 | store_next = &atable[i]; | |
550 | for (arec = atable[i]; arec; arec = arecn) | |
551 | { | |
552 | arecn = arec->next; | |
553 | /* We keep the temporary K-lines and destroy the | |
554 | * permanent ones, just to be confusing :) -A1kmm */ | |
555 | if(arec->aconf->flags & CONF_FLAGS_TEMPORARY || | |
556 | (arec->type != CONF_CLIENT && arec->type != CONF_EXEMPTDLINE)) | |
557 | { | |
558 | *store_next = arec; | |
559 | store_next = &arec->next; | |
560 | } | |
561 | else | |
562 | { | |
563 | arec->aconf->status |= CONF_ILLEGAL; | |
564 | if(!arec->aconf->clients) | |
565 | free_conf(arec->aconf); | |
566 | MyFree(arec); | |
567 | } | |
568 | } | |
569 | *store_next = NULL; | |
570 | } | |
571 | } | |
572 | ||
573 | void | |
574 | clear_out_address_conf_bans(void) | |
575 | { | |
576 | int i; | |
577 | struct AddressRec **store_next; | |
578 | struct AddressRec *arec, *arecn; | |
579 | ||
580 | for (i = 0; i < ATABLE_SIZE; i++) | |
581 | { | |
582 | store_next = &atable[i]; | |
583 | for (arec = atable[i]; arec; arec = arecn) | |
584 | { | |
585 | arecn = arec->next; | |
586 | /* We keep the temporary K-lines and destroy the | |
587 | * permanent ones, just to be confusing :) -A1kmm */ | |
588 | if(arec->aconf->flags & CONF_FLAGS_TEMPORARY || | |
589 | (arec->type == CONF_CLIENT || arec->type == CONF_EXEMPTDLINE)) | |
590 | { | |
591 | *store_next = arec; | |
592 | store_next = &arec->next; | |
593 | } | |
594 | else | |
595 | { | |
596 | arec->aconf->status |= CONF_ILLEGAL; | |
597 | if(!arec->aconf->clients) | |
598 | free_conf(arec->aconf); | |
599 | MyFree(arec); | |
600 | } | |
601 | } | |
602 | *store_next = NULL; | |
603 | } | |
604 | } | |
605 | ||
606 | ||
607 | /* | |
608 | * show_iline_prefix() | |
609 | * | |
610 | * inputs - pointer to struct Client requesting output | |
611 | * - pointer to struct ConfItem | |
612 | * - name to which iline prefix will be prefixed to | |
613 | * output - pointer to static string with prefixes listed in ascii form | |
614 | * side effects - NONE | |
615 | */ | |
616 | char * | |
617 | show_iline_prefix(struct Client *sptr, struct ConfItem *aconf, char *name) | |
618 | { | |
619 | static char prefix_of_host[USERLEN + 15]; | |
620 | char *prefix_ptr; | |
621 | ||
622 | prefix_ptr = prefix_of_host; | |
623 | if(IsNoTilde(aconf)) | |
624 | *prefix_ptr++ = '-'; | |
625 | if(IsLimitIp(aconf)) | |
626 | *prefix_ptr++ = '!'; | |
627 | if(IsNeedIdentd(aconf)) | |
628 | *prefix_ptr++ = '+'; | |
629 | if(IsPassIdentd(aconf)) | |
630 | *prefix_ptr++ = '$'; | |
631 | if(IsNoMatchIp(aconf)) | |
632 | *prefix_ptr++ = '%'; | |
633 | if(IsConfDoSpoofIp(aconf)) | |
634 | *prefix_ptr++ = '='; | |
635 | if(MyOper(sptr) && IsConfExemptKline(aconf)) | |
636 | *prefix_ptr++ = '^'; | |
637 | if(MyOper(sptr) && IsConfExemptLimits(aconf)) | |
638 | *prefix_ptr++ = '>'; | |
639 | if(MyOper(sptr) && IsConfIdlelined(aconf)) | |
640 | *prefix_ptr++ = '<'; | |
641 | *prefix_ptr = '\0'; | |
642 | strncpy(prefix_ptr, name, USERLEN); | |
643 | return (prefix_of_host); | |
644 | } | |
645 | ||
646 | /* report_auth() | |
647 | * | |
648 | * Inputs: pointer to client to report to | |
649 | * Output: None | |
650 | * Side effects: Reports configured auth{} blocks to client_p | |
651 | */ | |
652 | void | |
653 | report_auth(struct Client *client_p) | |
654 | { | |
655 | char *name, *host, *pass, *user, *classname; | |
656 | struct AddressRec *arec; | |
657 | struct ConfItem *aconf; | |
658 | int i, port; | |
659 | ||
660 | for (i = 0; i < ATABLE_SIZE; i++) | |
661 | for (arec = atable[i]; arec; arec = arec->next) | |
662 | if(arec->type == CONF_CLIENT) | |
663 | { | |
664 | aconf = arec->aconf; | |
665 | ||
666 | if(!MyOper(client_p) && IsConfDoSpoofIp(aconf)) | |
667 | continue; | |
668 | ||
669 | get_printable_conf(aconf, &name, &host, &pass, &user, &port, | |
670 | &classname); | |
671 | ||
672 | sendto_one_numeric(client_p, RPL_STATSILINE, | |
673 | form_str(RPL_STATSILINE), | |
674 | name, show_iline_prefix(client_p, aconf, user), | |
675 | show_ip_conf(aconf, client_p) ? host : "255.255.255.255", | |
676 | port, classname); | |
677 | } | |
678 | } | |
679 | ||
680 | /* report_Klines() | |
681 | * | |
682 | * inputs - Client to report to, mask | |
683 | * outputs - | |
684 | * side effects - Reports configured K-lines to client_p. | |
685 | */ | |
686 | void | |
687 | report_Klines(struct Client *source_p) | |
688 | { | |
689 | char *host, *pass, *user, *oper_reason; | |
690 | struct AddressRec *arec; | |
691 | struct ConfItem *aconf = NULL; | |
692 | int i; | |
693 | ||
694 | for (i = 0; i < ATABLE_SIZE; i++) | |
695 | { | |
696 | for (arec = atable[i]; arec; arec = arec->next) | |
697 | { | |
698 | if(arec->type == CONF_KILL) | |
699 | { | |
700 | aconf = arec->aconf; | |
701 | ||
702 | /* its a tempkline, theyre reported elsewhere */ | |
703 | if(aconf->flags & CONF_FLAGS_TEMPORARY) | |
704 | continue; | |
705 | ||
706 | get_printable_kline(source_p, aconf, &host, &pass, &user, &oper_reason); | |
707 | sendto_one_numeric(source_p, RPL_STATSKLINE, | |
708 | form_str(RPL_STATSKLINE), | |
709 | 'K', host, user, pass, | |
710 | oper_reason ? "|" : "", | |
711 | oper_reason ? oper_reason : ""); | |
712 | } | |
713 | } | |
714 | } | |
715 | } |