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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * s_conf.c: Configuration file functions. | |
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 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
cda8e9b8 | 24 | * $Id: s_conf.c 3550 2007-08-09 06:47:26Z nenolod $ |
212380e3 AC |
25 | */ |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "ircd_defs.h" | |
29 | #include "tools.h" | |
30 | #include "s_conf.h" | |
31 | #include "s_newconf.h" | |
32 | #include "s_serv.h" | |
33 | #include "s_stats.h" | |
34 | #include "channel.h" | |
35 | #include "class.h" | |
36 | #include "client.h" | |
37 | #include "common.h" | |
38 | #include "event.h" | |
39 | #include "hash.h" | |
40 | #include "irc_string.h" | |
41 | #include "sprintf_irc.h" | |
42 | #include "ircd.h" | |
43 | #include "listener.h" | |
44 | #include "hostmask.h" | |
45 | #include "modules.h" | |
46 | #include "numeric.h" | |
47 | #include "commio.h" | |
48 | #include "s_log.h" | |
49 | #include "send.h" | |
50 | #include "s_gline.h" | |
51 | #include "memory.h" | |
52 | #include "balloc.h" | |
53 | #include "patricia.h" | |
54 | #include "reject.h" | |
55 | #include "cache.h" | |
56 | #include "blacklist.h" | |
57 | ||
58 | struct config_server_hide ConfigServerHide; | |
59 | ||
60 | extern int yyparse(); /* defined in y.tab.c */ | |
61 | extern char linebuf[]; | |
62 | ||
63 | #ifndef INADDR_NONE | |
64 | #define INADDR_NONE ((unsigned int) 0xffffffff) | |
65 | #endif | |
66 | ||
67 | static BlockHeap *confitem_heap = NULL; | |
68 | ||
69 | dlink_list temp_klines[LAST_TEMP_TYPE]; | |
70 | dlink_list temp_dlines[LAST_TEMP_TYPE]; | |
71 | dlink_list service_list; | |
72 | ||
73 | /* internally defined functions */ | |
74 | static void set_default_conf(void); | |
75 | static void validate_conf(void); | |
76 | static void read_conf(FILE *); | |
77 | static void clear_out_old_conf(void); | |
78 | ||
79 | static void expire_temp_kd(void *list); | |
80 | static void reorganise_temp_kd(void *list); | |
81 | ||
82 | FILE *conf_fbfile_in; | |
83 | extern char yytext[]; | |
84 | ||
85 | static int verify_access(struct Client *client_p, const char *username); | |
86 | static int attach_iline(struct Client *, struct ConfItem *); | |
87 | ||
88 | void | |
89 | init_s_conf(void) | |
90 | { | |
91 | confitem_heap = BlockHeapCreate(sizeof(struct ConfItem), CONFITEM_HEAP_SIZE); | |
92 | ||
93 | eventAddIsh("expire_temp_klines", expire_temp_kd, &temp_klines[TEMP_MIN], 60); | |
94 | eventAddIsh("expire_temp_dlines", expire_temp_kd, &temp_dlines[TEMP_MIN], 60); | |
95 | ||
96 | eventAddIsh("expire_temp_klines_hour", reorganise_temp_kd, | |
97 | &temp_klines[TEMP_HOUR], 3600); | |
98 | eventAddIsh("expire_temp_dlines_hour", reorganise_temp_kd, | |
99 | &temp_dlines[TEMP_HOUR], 3600); | |
100 | eventAddIsh("expire_temp_klines_day", reorganise_temp_kd, | |
101 | &temp_klines[TEMP_DAY], 86400); | |
102 | eventAddIsh("expire_temp_dlines_day", reorganise_temp_kd, | |
103 | &temp_dlines[TEMP_DAY], 86400); | |
104 | eventAddIsh("expire_temp_klines_week", reorganise_temp_kd, | |
105 | &temp_klines[TEMP_WEEK], 604800); | |
106 | eventAddIsh("expire_temp_dlines_week", reorganise_temp_kd, | |
107 | &temp_dlines[TEMP_WEEK], 604800); | |
108 | } | |
109 | ||
110 | /* | |
111 | * make_conf | |
112 | * | |
113 | * inputs - none | |
114 | * output - pointer to new conf entry | |
115 | * side effects - none | |
116 | */ | |
117 | struct ConfItem * | |
118 | make_conf() | |
119 | { | |
120 | struct ConfItem *aconf; | |
121 | ||
122 | aconf = BlockHeapAlloc(confitem_heap); | |
123 | aconf->status = CONF_ILLEGAL; | |
124 | return (aconf); | |
125 | } | |
126 | ||
127 | /* | |
128 | * free_conf | |
129 | * | |
130 | * inputs - pointer to conf to free | |
131 | * output - none | |
132 | * side effects - crucial password fields are zeroed, conf is freed | |
133 | */ | |
134 | void | |
135 | free_conf(struct ConfItem *aconf) | |
136 | { | |
137 | s_assert(aconf != NULL); | |
138 | if(aconf == NULL) | |
139 | return; | |
140 | ||
141 | /* security.. */ | |
142 | if(aconf->passwd) | |
143 | memset(aconf->passwd, 0, strlen(aconf->passwd)); | |
144 | if(aconf->spasswd) | |
145 | memset(aconf->spasswd, 0, strlen(aconf->spasswd)); | |
146 | ||
147 | MyFree(aconf->passwd); | |
148 | MyFree(aconf->spasswd); | |
149 | MyFree(aconf->name); | |
150 | MyFree(aconf->className); | |
151 | MyFree(aconf->user); | |
152 | MyFree(aconf->host); | |
153 | ||
154 | BlockHeapFree(confitem_heap, aconf); | |
155 | } | |
156 | ||
157 | /* | |
158 | * check_client | |
159 | * | |
160 | * inputs - pointer to client | |
161 | * output - 0 = Success | |
162 | * NOT_AUTHORISED (-1) = Access denied (no I line match) | |
163 | * SOCKET_ERROR (-2) = Bad socket. | |
164 | * I_LINE_FULL (-3) = I-line is full | |
165 | * TOO_MANY (-4) = Too many connections from hostname | |
166 | * BANNED_CLIENT (-5) = K-lined | |
167 | * side effects - Ordinary client access check. | |
168 | * Look for conf lines which have the same | |
169 | * status as the flags passed. | |
170 | */ | |
171 | int | |
172 | check_client(struct Client *client_p, struct Client *source_p, const char *username) | |
173 | { | |
174 | int i; | |
175 | ||
212380e3 AC |
176 | if((i = verify_access(source_p, username))) |
177 | { | |
178 | ilog(L_FUSER, "Access denied: %s[%s]", | |
179 | source_p->name, source_p->sockhost); | |
180 | } | |
181 | ||
182 | switch (i) | |
183 | { | |
184 | case SOCKET_ERROR: | |
185 | exit_client(client_p, source_p, &me, "Socket Error"); | |
186 | break; | |
187 | ||
188 | case TOO_MANY_LOCAL: | |
606384ae JT |
189 | /* Note that these notices are sent to opers on other |
190 | * servers also, so even if local opers are allowed to | |
191 | * see the IP, we still cannot send it. | |
192 | */ | |
212380e3 AC |
193 | sendto_realops_snomask(SNO_FULL, L_NETWIDE, |
194 | "Too many local connections for %s!%s%s@%s", | |
195 | source_p->name, IsGotId(source_p) ? "" : "~", | |
606384ae JT |
196 | source_p->username, |
197 | show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host); | |
212380e3 AC |
198 | |
199 | ilog(L_FUSER, "Too many local connections from %s!%s%s@%s", | |
200 | source_p->name, IsGotId(source_p) ? "" : "~", | |
201 | source_p->username, source_p->sockhost); | |
202 | ||
203 | ServerStats->is_ref++; | |
204 | exit_client(client_p, source_p, &me, "Too many host connections (local)"); | |
205 | break; | |
206 | ||
207 | case TOO_MANY_GLOBAL: | |
208 | sendto_realops_snomask(SNO_FULL, L_NETWIDE, | |
209 | "Too many global connections for %s!%s%s@%s", | |
210 | source_p->name, IsGotId(source_p) ? "" : "~", | |
606384ae JT |
211 | source_p->username, |
212 | show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host); | |
212380e3 AC |
213 | ilog(L_FUSER, "Too many global connections from %s!%s%s@%s", |
214 | source_p->name, IsGotId(source_p) ? "" : "~", | |
215 | source_p->username, source_p->sockhost); | |
216 | ||
217 | ServerStats->is_ref++; | |
218 | exit_client(client_p, source_p, &me, "Too many host connections (global)"); | |
219 | break; | |
220 | ||
221 | case TOO_MANY_IDENT: | |
222 | sendto_realops_snomask(SNO_FULL, L_NETWIDE, | |
223 | "Too many user connections for %s!%s%s@%s", | |
224 | source_p->name, IsGotId(source_p) ? "" : "~", | |
606384ae JT |
225 | source_p->username, |
226 | show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host); | |
212380e3 AC |
227 | ilog(L_FUSER, "Too many user connections from %s!%s%s@%s", |
228 | source_p->name, IsGotId(source_p) ? "" : "~", | |
229 | source_p->username, source_p->sockhost); | |
230 | ||
231 | ServerStats->is_ref++; | |
232 | exit_client(client_p, source_p, &me, "Too many user connections (global)"); | |
233 | break; | |
234 | ||
235 | case I_LINE_FULL: | |
236 | sendto_realops_snomask(SNO_FULL, L_NETWIDE, | |
237 | "I-line is full for %s!%s%s@%s (%s).", | |
238 | source_p->name, IsGotId(source_p) ? "" : "~", | |
239 | source_p->username, source_p->host, | |
4b7e6904 | 240 | show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : "255.255.255.255"); |
212380e3 AC |
241 | |
242 | ilog(L_FUSER, "Too many connections from %s!%s%s@%s.", | |
243 | source_p->name, IsGotId(source_p) ? "" : "~", | |
244 | source_p->username, source_p->sockhost); | |
245 | ||
246 | ServerStats->is_ref++; | |
247 | exit_client(client_p, source_p, &me, | |
248 | "No more connections allowed in your connection class"); | |
249 | break; | |
250 | ||
251 | case NOT_AUTHORISED: | |
252 | { | |
253 | int port = -1; | |
254 | #ifdef IPV6 | |
255 | if(source_p->localClient->ip.ss_family == AF_INET6) | |
256 | port = ntohs(((struct sockaddr_in6 *)&source_p->localClient->listener->addr)->sin6_port); | |
257 | else | |
258 | #endif | |
259 | port = ntohs(((struct sockaddr_in *)&source_p->localClient->listener->addr)->sin_port); | |
260 | ||
261 | ServerStats->is_ref++; | |
262 | /* jdc - lists server name & port connections are on */ | |
263 | /* a purely cosmetical change */ | |
264 | /* why ipaddr, and not just source_p->sockhost? --fl */ | |
265 | #if 0 | |
266 | static char ipaddr[HOSTIPLEN]; | |
267 | inetntop_sock(&source_p->localClient->ip, ipaddr, sizeof(ipaddr)); | |
268 | #endif | |
269 | sendto_realops_snomask(SNO_UNAUTH, L_ALL, | |
270 | "Unauthorised client connection from " | |
271 | "%s!%s%s@%s [%s] on [%s/%u].", | |
272 | source_p->name, IsGotId(source_p) ? "" : "~", | |
273 | source_p->username, source_p->host, | |
274 | source_p->sockhost, | |
275 | source_p->localClient->listener->name, port); | |
276 | ||
277 | ilog(L_FUSER, | |
278 | "Unauthorised client connection from %s!%s%s@%s on [%s/%u].", | |
279 | source_p->name, IsGotId(source_p) ? "" : "~", | |
280 | source_p->username, source_p->sockhost, | |
281 | source_p->localClient->listener->name, port); | |
35f6f850 | 282 | add_reject(client_p, NULL, NULL); |
212380e3 AC |
283 | exit_client(client_p, source_p, &me, |
284 | "You are not authorised to use this server"); | |
285 | break; | |
286 | } | |
287 | case BANNED_CLIENT: | |
212380e3 AC |
288 | exit_client(client_p, client_p, &me, "*** Banned "); |
289 | ServerStats->is_ref++; | |
290 | break; | |
291 | ||
292 | case 0: | |
293 | default: | |
294 | break; | |
295 | } | |
296 | return (i); | |
297 | } | |
298 | ||
299 | /* | |
300 | * verify_access | |
301 | * | |
302 | * inputs - pointer to client to verify | |
303 | * - pointer to proposed username | |
304 | * output - 0 if success -'ve if not | |
305 | * side effect - find the first (best) I line to attach. | |
306 | */ | |
307 | static int | |
308 | verify_access(struct Client *client_p, const char *username) | |
309 | { | |
310 | struct ConfItem *aconf; | |
311 | char non_ident[USERLEN + 1]; | |
312 | ||
313 | if(IsGotId(client_p)) | |
314 | { | |
315 | aconf = find_address_conf(client_p->host, client_p->sockhost, | |
316 | client_p->username, client_p->username, | |
317 | (struct sockaddr *) &client_p->localClient->ip, | |
318 | client_p->localClient->ip.ss_family); | |
319 | } | |
320 | else | |
321 | { | |
322 | strlcpy(non_ident, "~", sizeof(non_ident)); | |
323 | strlcat(non_ident, username, sizeof(non_ident)); | |
324 | aconf = find_address_conf(client_p->host, client_p->sockhost, | |
325 | non_ident, client_p->username, | |
326 | (struct sockaddr *) &client_p->localClient->ip, | |
327 | client_p->localClient->ip.ss_family); | |
328 | } | |
329 | ||
330 | if(aconf == NULL) | |
331 | return NOT_AUTHORISED; | |
332 | ||
333 | if(aconf->status & CONF_CLIENT) | |
334 | { | |
335 | if(aconf->flags & CONF_FLAGS_REDIR) | |
336 | { | |
88520303 | 337 | sendto_one_numeric(client_p, RPL_REDIR, form_str(RPL_REDIR), |
212380e3 AC |
338 | aconf->name ? aconf->name : "", aconf->port); |
339 | return (NOT_AUTHORISED); | |
340 | } | |
341 | ||
212380e3 AC |
342 | /* Thanks for spoof idea amm */ |
343 | if(IsConfDoSpoofIp(aconf)) | |
344 | { | |
345 | char *p; | |
346 | ||
347 | /* show_ip() depends on this --fl */ | |
348 | SetIPSpoof(client_p); | |
349 | ||
350 | if(IsConfSpoofNotice(aconf)) | |
351 | { | |
352 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
353 | "%s spoofing: %s as %s", | |
354 | client_p->name, | |
355 | show_ip(NULL, client_p) ? client_p->host : aconf->name, | |
356 | aconf->name); | |
357 | } | |
358 | ||
359 | /* user@host spoof */ | |
360 | if((p = strchr(aconf->name, '@')) != NULL) | |
361 | { | |
362 | char *host = p+1; | |
363 | *p = '\0'; | |
364 | ||
365 | strlcpy(client_p->username, aconf->name, | |
366 | sizeof(client_p->username)); | |
367 | strlcpy(client_p->host, host, | |
368 | sizeof(client_p->host)); | |
369 | *p = '@'; | |
370 | } | |
371 | else | |
372 | strlcpy(client_p->host, aconf->name, sizeof(client_p->host)); | |
373 | } | |
374 | return (attach_iline(client_p, aconf)); | |
375 | } | |
376 | else if(aconf->status & CONF_KILL) | |
377 | { | |
378 | if(ConfigFileEntry.kline_with_reason) | |
379 | { | |
380 | sendto_one(client_p, | |
92fb5c31 | 381 | form_str(ERR_YOUREBANNEDCREEP), |
212380e3 AC |
382 | me.name, client_p->name, aconf->passwd); |
383 | } | |
35f6f850 | 384 | add_reject(client_p, aconf->user, aconf->host); |
212380e3 AC |
385 | return (BANNED_CLIENT); |
386 | } | |
387 | else if(aconf->status & CONF_GLINE) | |
388 | { | |
5366977b | 389 | sendto_one_notice(client_p, ":*** G-lined"); |
212380e3 AC |
390 | |
391 | if(ConfigFileEntry.kline_with_reason) | |
392 | sendto_one(client_p, | |
92fb5c31 | 393 | form_str(ERR_YOUREBANNEDCREEP), |
212380e3 AC |
394 | me.name, client_p->name, aconf->passwd); |
395 | ||
35f6f850 | 396 | add_reject(client_p, aconf->user, aconf->host); |
212380e3 AC |
397 | return (BANNED_CLIENT); |
398 | } | |
399 | ||
400 | return NOT_AUTHORISED; | |
401 | } | |
402 | ||
403 | ||
404 | /* | |
405 | * add_ip_limit | |
406 | * | |
407 | * Returns 1 if successful 0 if not | |
408 | * | |
409 | * This checks if the user has exceed the limits for their class | |
410 | * unless of course they are exempt.. | |
411 | */ | |
412 | ||
413 | static int | |
414 | add_ip_limit(struct Client *client_p, struct ConfItem *aconf) | |
415 | { | |
416 | patricia_node_t *pnode; | |
417 | ||
418 | /* If the limits are 0 don't do anything.. */ | |
419 | if(ConfCidrAmount(aconf) == 0 || ConfCidrBitlen(aconf) == 0) | |
420 | return -1; | |
421 | ||
422 | pnode = match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip); | |
423 | ||
424 | if(pnode == NULL) | |
425 | pnode = make_and_lookup_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip, ConfCidrBitlen(aconf)); | |
426 | ||
427 | s_assert(pnode != NULL); | |
428 | ||
429 | if(pnode != NULL) | |
430 | { | |
431 | if(((long) pnode->data) >= ConfCidrAmount(aconf) | |
432 | && !IsConfExemptLimits(aconf)) | |
433 | { | |
434 | /* This should only happen if the limits are set to 0 */ | |
435 | if((unsigned long) pnode->data == 0) | |
436 | { | |
437 | patricia_remove(ConfIpLimits(aconf), pnode); | |
438 | } | |
439 | return (0); | |
440 | } | |
441 | ||
442 | pnode->data++; | |
443 | } | |
444 | return 1; | |
445 | } | |
446 | ||
447 | static void | |
448 | remove_ip_limit(struct Client *client_p, struct ConfItem *aconf) | |
449 | { | |
450 | patricia_node_t *pnode; | |
451 | ||
452 | /* If the limits are 0 don't do anything.. */ | |
453 | if(ConfCidrAmount(aconf) == 0 || ConfCidrBitlen(aconf) == 0) | |
454 | return; | |
455 | ||
456 | pnode = match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip); | |
457 | if(pnode == NULL) | |
458 | return; | |
459 | ||
460 | pnode->data--; | |
461 | if(((unsigned long) pnode->data) == 0) | |
462 | { | |
463 | patricia_remove(ConfIpLimits(aconf), pnode); | |
464 | } | |
465 | ||
466 | } | |
467 | ||
468 | /* | |
469 | * attach_iline | |
470 | * | |
471 | * inputs - client pointer | |
472 | * - conf pointer | |
473 | * output - | |
474 | * side effects - do actual attach | |
475 | */ | |
476 | static int | |
477 | attach_iline(struct Client *client_p, struct ConfItem *aconf) | |
478 | { | |
479 | struct Client *target_p; | |
480 | dlink_node *ptr; | |
481 | int local_count = 0; | |
482 | int global_count = 0; | |
483 | int ident_count = 0; | |
484 | int unidented = 0; | |
485 | ||
486 | if(IsConfExemptLimits(aconf)) | |
487 | return (attach_conf(client_p, aconf)); | |
488 | ||
489 | if(*client_p->username == '~') | |
490 | unidented = 1; | |
491 | ||
492 | ||
493 | /* find_hostname() returns the head of the list to search */ | |
494 | DLINK_FOREACH(ptr, find_hostname(client_p->host)) | |
495 | { | |
496 | target_p = ptr->data; | |
497 | ||
498 | if(irccmp(client_p->host, target_p->orighost) != 0) | |
499 | continue; | |
500 | ||
501 | if(MyConnect(target_p)) | |
502 | local_count++; | |
503 | ||
504 | global_count++; | |
505 | ||
506 | if(unidented) | |
507 | { | |
508 | if(*target_p->username == '~') | |
509 | ident_count++; | |
510 | } | |
511 | else if(irccmp(target_p->username, client_p->username) == 0) | |
512 | ident_count++; | |
513 | ||
514 | if(ConfMaxLocal(aconf) && local_count >= ConfMaxLocal(aconf)) | |
515 | return (TOO_MANY_LOCAL); | |
516 | else if(ConfMaxGlobal(aconf) && global_count >= ConfMaxGlobal(aconf)) | |
517 | return (TOO_MANY_GLOBAL); | |
518 | else if(ConfMaxIdent(aconf) && ident_count >= ConfMaxIdent(aconf)) | |
519 | return (TOO_MANY_IDENT); | |
520 | } | |
521 | ||
522 | ||
523 | return (attach_conf(client_p, aconf)); | |
524 | } | |
525 | ||
526 | /* | |
527 | * detach_conf | |
528 | * | |
529 | * inputs - pointer to client to detach | |
530 | * output - 0 for success, -1 for failure | |
531 | * side effects - Disassociate configuration from the client. | |
532 | * Also removes a class from the list if marked for deleting. | |
533 | */ | |
534 | int | |
535 | detach_conf(struct Client *client_p) | |
536 | { | |
537 | struct ConfItem *aconf; | |
538 | ||
539 | aconf = client_p->localClient->att_conf; | |
540 | ||
541 | if(aconf != NULL) | |
542 | { | |
543 | if(ClassPtr(aconf)) | |
544 | { | |
545 | remove_ip_limit(client_p, aconf); | |
546 | ||
547 | if(ConfCurrUsers(aconf) > 0) | |
548 | --ConfCurrUsers(aconf); | |
549 | ||
550 | if(ConfMaxUsers(aconf) == -1 && ConfCurrUsers(aconf) == 0) | |
551 | { | |
552 | free_class(ClassPtr(aconf)); | |
553 | ClassPtr(aconf) = NULL; | |
554 | } | |
555 | ||
556 | } | |
557 | ||
558 | aconf->clients--; | |
559 | if(!aconf->clients && IsIllegal(aconf)) | |
560 | free_conf(aconf); | |
561 | ||
562 | client_p->localClient->att_conf = NULL; | |
563 | return 0; | |
564 | } | |
565 | ||
566 | return -1; | |
567 | } | |
568 | ||
569 | /* | |
570 | * attach_conf | |
571 | * | |
572 | * inputs - client pointer | |
573 | * - conf pointer | |
574 | * output - | |
575 | * side effects - Associate a specific configuration entry to a *local* | |
576 | * client (this is the one which used in accepting the | |
577 | * connection). Note, that this automatically changes the | |
578 | * attachment if there was an old one... | |
579 | */ | |
580 | int | |
581 | attach_conf(struct Client *client_p, struct ConfItem *aconf) | |
582 | { | |
583 | if(IsIllegal(aconf)) | |
584 | return (NOT_AUTHORISED); | |
585 | ||
586 | if(ClassPtr(aconf)) | |
587 | { | |
588 | if(!add_ip_limit(client_p, aconf)) | |
589 | return (TOO_MANY_LOCAL); | |
590 | } | |
591 | ||
592 | if((aconf->status & CONF_CLIENT) && | |
593 | ConfCurrUsers(aconf) >= ConfMaxUsers(aconf) && ConfMaxUsers(aconf) > 0) | |
594 | { | |
595 | if(!IsConfExemptLimits(aconf)) | |
596 | { | |
597 | return (I_LINE_FULL); | |
598 | } | |
599 | else | |
600 | { | |
5366977b | 601 | sendto_one_notice(client_p, ":*** I: line is full, but you have an >I: line!"); |
212380e3 AC |
602 | } |
603 | ||
604 | } | |
605 | ||
606 | if(client_p->localClient->att_conf != NULL) | |
607 | detach_conf(client_p); | |
608 | ||
609 | client_p->localClient->att_conf = aconf; | |
610 | ||
611 | aconf->clients++; | |
612 | ConfCurrUsers(aconf)++; | |
613 | return (0); | |
614 | } | |
615 | ||
616 | /* | |
617 | * rehash | |
618 | * | |
619 | * Actual REHASH service routine. Called with sig == 0 if it has been called | |
620 | * as a result of an operator issuing this command, else assume it has been | |
621 | * called as a result of the server receiving a HUP signal. | |
622 | */ | |
623 | int | |
624 | rehash(int sig) | |
625 | { | |
626 | if(sig != 0) | |
627 | { | |
628 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
629 | "Got signal SIGHUP, reloading ircd conf. file"); | |
630 | } | |
631 | ||
632 | restart_resolver(); | |
633 | /* don't close listeners until we know we can go ahead with the rehash */ | |
634 | read_conf_files(NO); | |
635 | ||
636 | if(ServerInfo.description != NULL) | |
637 | strlcpy(me.info, ServerInfo.description, sizeof(me.info)); | |
638 | else | |
639 | strlcpy(me.info, "unknown", sizeof(me.info)); | |
640 | ||
641 | open_logfiles(); | |
642 | return (0); | |
643 | } | |
644 | ||
645 | static struct banconf_entry | |
646 | { | |
647 | const char **filename; | |
648 | void (*func) (FILE *); | |
649 | int perm; | |
650 | } banconfs[] = { | |
651 | { &ConfigFileEntry.klinefile, parse_k_file, 0 }, | |
652 | { &ConfigFileEntry.klinefile, parse_k_file, 1 }, | |
653 | { &ConfigFileEntry.dlinefile, parse_d_file, 0 }, | |
654 | { &ConfigFileEntry.dlinefile, parse_d_file, 1 }, | |
655 | { &ConfigFileEntry.xlinefile, parse_x_file, 0 }, | |
656 | { &ConfigFileEntry.xlinefile, parse_x_file, 1 }, | |
657 | { &ConfigFileEntry.resvfile, parse_resv_file,0 }, | |
658 | { &ConfigFileEntry.resvfile, parse_resv_file,1 }, | |
659 | { NULL, NULL, 0 } | |
660 | }; | |
661 | ||
662 | void | |
663 | rehash_bans(int sig) | |
664 | { | |
665 | FILE *file; | |
666 | char buf[MAXPATHLEN]; | |
667 | int i; | |
668 | ||
669 | if(sig != 0) | |
670 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
671 | "Got signal SIGUSR2, reloading ban confs"); | |
672 | ||
673 | clear_out_address_conf_bans(); | |
674 | clear_s_newconf_bans(); | |
675 | ||
676 | for(i = 0; banconfs[i].filename; i++) | |
677 | { | |
678 | if(banconfs[i].perm) | |
679 | snprintf(buf, sizeof(buf), "%s.perm", *banconfs[i].filename); | |
680 | else | |
681 | snprintf(buf, sizeof(buf), "%s", *banconfs[i].filename); | |
682 | ||
683 | if((file = fopen(buf, "r")) == NULL) | |
684 | { | |
685 | if(banconfs[i].perm) | |
686 | continue; | |
687 | ||
688 | ilog(L_MAIN, "Failed reading ban file %s", | |
689 | *banconfs[i].filename); | |
690 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
691 | "Can't open %s file bans could be missing!", | |
692 | *banconfs[i].filename); | |
693 | } | |
694 | else | |
695 | { | |
696 | (banconfs[i].func)(file); | |
697 | fclose(file); | |
698 | } | |
699 | } | |
700 | ||
701 | check_banned_lines(); | |
702 | } | |
703 | ||
704 | /* | |
705 | * set_default_conf() | |
706 | * | |
707 | * inputs - NONE | |
708 | * output - NONE | |
709 | * side effects - Set default values here. | |
710 | * This is called **PRIOR** to parsing the | |
711 | * configuration file. If you want to do some validation | |
712 | * of values later, put them in validate_conf(). | |
713 | */ | |
714 | ||
715 | #define YES 1 | |
716 | #define NO 0 | |
717 | #define UNSET -1 | |
718 | ||
719 | static void | |
720 | set_default_conf(void) | |
721 | { | |
722 | /* ServerInfo.name is not rehashable */ | |
723 | /* ServerInfo.name = ServerInfo.name; */ | |
724 | ServerInfo.description = NULL; | |
725 | DupString(ServerInfo.network_name, NETWORK_NAME_DEFAULT); | |
726 | DupString(ServerInfo.network_desc, NETWORK_DESC_DEFAULT); | |
727 | ||
728 | memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip)); | |
729 | ServerInfo.specific_ipv4_vhost = 0; | |
730 | #ifdef IPV6 | |
731 | memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6)); | |
732 | ServerInfo.specific_ipv6_vhost = 0; | |
733 | #endif | |
212380e3 AC |
734 | |
735 | /* Don't reset hub, as that will break lazylinks */ | |
736 | /* ServerInfo.hub = NO; */ | |
737 | AdminInfo.name = NULL; | |
738 | AdminInfo.email = NULL; | |
739 | AdminInfo.description = NULL; | |
740 | ||
741 | DupString(ConfigFileEntry.default_operstring, "is an IRC operator"); | |
742 | DupString(ConfigFileEntry.default_adminstring, "is a Server Administrator"); | |
743 | DupString(ConfigFileEntry.servicestring, "is a Network Service"); | |
744 | ||
745 | ConfigFileEntry.default_umodes = UMODE_INVISIBLE; | |
746 | ConfigFileEntry.failed_oper_notice = YES; | |
747 | ConfigFileEntry.anti_nick_flood = NO; | |
748 | ConfigFileEntry.disable_fake_channels = NO; | |
749 | ConfigFileEntry.max_nick_time = 20; | |
750 | ConfigFileEntry.max_nick_changes = 5; | |
751 | ConfigFileEntry.max_accept = 20; | |
752 | ConfigFileEntry.max_monitor = 60; | |
753 | ConfigFileEntry.nick_delay = 900; /* 15 minutes */ | |
754 | ConfigFileEntry.target_change = YES; | |
755 | ConfigFileEntry.anti_spam_exit_message_time = 0; | |
756 | ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT; | |
757 | ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT; | |
758 | ConfigFileEntry.client_exit = YES; | |
759 | ConfigFileEntry.dline_with_reason = YES; | |
760 | ConfigFileEntry.kline_with_reason = YES; | |
761 | ConfigFileEntry.kline_delay = 0; | |
762 | ConfigFileEntry.warn_no_nline = YES; | |
763 | ConfigFileEntry.non_redundant_klines = YES; | |
764 | ConfigFileEntry.stats_e_disabled = NO; | |
765 | ConfigFileEntry.stats_o_oper_only = NO; | |
766 | ConfigFileEntry.stats_k_oper_only = 1; /* masked */ | |
767 | ConfigFileEntry.stats_i_oper_only = 1; /* masked */ | |
768 | ConfigFileEntry.stats_P_oper_only = NO; | |
769 | ConfigFileEntry.stats_c_oper_only = NO; | |
770 | ConfigFileEntry.stats_y_oper_only = NO; | |
771 | ConfigFileEntry.stats_h_oper_only = NO; | |
772 | ConfigFileEntry.map_oper_only = YES; | |
773 | ConfigFileEntry.operspy_admin_only = NO; | |
774 | ConfigFileEntry.pace_wait = 10; | |
775 | ConfigFileEntry.caller_id_wait = 60; | |
776 | ConfigFileEntry.pace_wait_simple = 1; | |
777 | ConfigFileEntry.short_motd = NO; | |
778 | ConfigFileEntry.no_oper_flood = NO; | |
779 | ConfigFileEntry.fname_userlog = NULL; | |
780 | ConfigFileEntry.fname_fuserlog = NULL; | |
781 | ConfigFileEntry.fname_operlog = NULL; | |
782 | ConfigFileEntry.fname_foperlog = NULL; | |
783 | ConfigFileEntry.fname_serverlog = NULL; | |
784 | ConfigFileEntry.fname_glinelog = NULL; | |
785 | ConfigFileEntry.fname_klinelog = NULL; | |
786 | ConfigFileEntry.fname_operspylog = NULL; | |
787 | ConfigFileEntry.fname_ioerrorlog = NULL; | |
788 | ConfigFileEntry.glines = NO; | |
789 | ConfigFileEntry.use_egd = NO; | |
790 | ConfigFileEntry.gline_time = 12 * 3600; | |
791 | ConfigFileEntry.gline_min_cidr = 16; | |
792 | ConfigFileEntry.gline_min_cidr6 = 48; | |
793 | ConfigFileEntry.hide_spoof_ips = YES; | |
794 | ConfigFileEntry.hide_error_messages = 1; | |
212380e3 AC |
795 | ConfigFileEntry.dots_in_ident = 0; |
796 | ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT; | |
797 | DupString(ConfigFileEntry.servlink_path, SLPATH); | |
798 | ConfigFileEntry.egdpool_path = NULL; | |
799 | ConfigFileEntry.use_whois_actually = YES; | |
800 | ConfigFileEntry.burst_away = NO; | |
801 | ConfigFileEntry.collision_fnc = YES; | |
802 | ConfigFileEntry.global_snotices = YES; | |
803 | ConfigFileEntry.operspy_dont_care_user_info = NO; | |
804 | ||
805 | #ifdef HAVE_LIBZ | |
806 | ConfigFileEntry.compression_level = 4; | |
807 | #endif | |
808 | ||
809 | ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE | | |
810 | UMODE_OPERWALL | UMODE_WALLOP; | |
811 | ConfigFileEntry.oper_only_umodes = UMODE_SERVNOTICE; | |
812 | ConfigFileEntry.oper_snomask = SNO_GENERAL; | |
813 | ||
814 | ConfigChannel.use_except = YES; | |
815 | ConfigChannel.use_invex = YES; | |
816 | ConfigChannel.use_knock = YES; | |
817 | ConfigChannel.use_forward = YES; | |
818 | ConfigChannel.knock_delay = 300; | |
819 | ConfigChannel.knock_delay_channel = 60; | |
820 | ConfigChannel.max_chans_per_user = 15; | |
821 | ConfigChannel.max_bans = 25; | |
822 | ConfigChannel.max_bans_large = 500; | |
823 | ConfigChannel.burst_topicwho = NO; | |
212380e3 AC |
824 | ConfigChannel.kick_on_split_riding = NO; |
825 | ||
826 | ConfigChannel.default_split_user_count = 15000; | |
827 | ConfigChannel.default_split_server_count = 10; | |
828 | ConfigChannel.no_join_on_split = NO; | |
829 | ConfigChannel.no_create_on_split = YES; | |
830 | ||
831 | ConfigServerHide.flatten_links = 0; | |
832 | ConfigServerHide.links_delay = 300; | |
833 | ConfigServerHide.hidden = 0; | |
834 | ConfigServerHide.disable_hidden = 0; | |
835 | ||
836 | ConfigFileEntry.min_nonwildcard = 4; | |
837 | ConfigFileEntry.min_nonwildcard_simple = 3; | |
838 | ConfigFileEntry.default_floodcount = 8; | |
839 | ConfigFileEntry.client_flood = CLIENT_FLOOD_DEFAULT; | |
840 | ConfigFileEntry.tkline_expire_notices = 0; | |
841 | ||
842 | ConfigFileEntry.reject_after_count = 5; | |
843 | ConfigFileEntry.reject_ban_time = 300; | |
844 | ConfigFileEntry.reject_duration = 120; | |
54015b5f | 845 | ConfigFileEntry.max_unknown_ip = 2; |
c2d96fcb | 846 | |
23836ead | 847 | ServerInfo.max_clients = comm_get_maxconnections() - MAX_BUFFER; |
212380e3 AC |
848 | } |
849 | ||
850 | #undef YES | |
851 | #undef NO | |
852 | ||
853 | /* | |
854 | * read_conf() | |
855 | * | |
856 | * | |
857 | * inputs - file descriptor pointing to config file to use | |
858 | * output - None | |
859 | * side effects - Read configuration file. | |
860 | */ | |
861 | static void | |
862 | read_conf(FILE * file) | |
863 | { | |
864 | lineno = 0; | |
865 | ||
866 | set_default_conf(); /* Set default values prior to conf parsing */ | |
867 | yyparse(); /* Load the values from the conf */ | |
868 | validate_conf(); /* Check to make sure some values are still okay. */ | |
869 | /* Some global values are also loaded here. */ | |
870 | check_class(); /* Make sure classes are valid */ | |
871 | } | |
872 | ||
873 | static void | |
874 | validate_conf(void) | |
875 | { | |
876 | if(ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN) | |
877 | ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT; | |
878 | ||
879 | if(ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN) | |
880 | ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT; | |
881 | ||
882 | if(ConfigFileEntry.servlink_path == NULL) | |
883 | DupString(ConfigFileEntry.servlink_path, SLPATH); | |
884 | ||
885 | if(ServerInfo.network_name == NULL) | |
886 | DupString(ServerInfo.network_name, NETWORK_NAME_DEFAULT); | |
887 | ||
888 | if(ServerInfo.network_desc == NULL) | |
889 | DupString(ServerInfo.network_desc, NETWORK_DESC_DEFAULT); | |
890 | ||
891 | if((ConfigFileEntry.client_flood < CLIENT_FLOOD_MIN) || | |
892 | (ConfigFileEntry.client_flood > CLIENT_FLOOD_MAX)) | |
893 | ConfigFileEntry.client_flood = CLIENT_FLOOD_MAX; | |
894 | ||
212380e3 AC |
895 | if(!split_users || !split_servers || |
896 | (!ConfigChannel.no_create_on_split && !ConfigChannel.no_join_on_split)) | |
897 | { | |
898 | eventDelete(check_splitmode, NULL); | |
899 | splitmode = 0; | |
900 | splitchecking = 0; | |
901 | } | |
902 | } | |
903 | ||
904 | /* | |
905 | * lookup_confhost - start DNS lookups of all hostnames in the conf | |
906 | * line and convert an IP addresses in a.b.c.d number for to IP#s. | |
907 | * | |
908 | */ | |
909 | ||
910 | /* | |
911 | * conf_connect_allowed | |
912 | * | |
913 | * inputs - pointer to inaddr | |
914 | * - int type ipv4 or ipv6 | |
915 | * output - ban info or NULL | |
916 | * side effects - none | |
917 | */ | |
918 | struct ConfItem * | |
919 | conf_connect_allowed(struct sockaddr *addr, int aftype) | |
920 | { | |
921 | struct ConfItem *aconf = find_dline(addr, aftype); | |
922 | ||
923 | /* DLINE exempt also gets you out of static limits/pacing... */ | |
924 | if(aconf && (aconf->status & CONF_EXEMPTDLINE)) | |
925 | return NULL; | |
926 | ||
927 | if(aconf != NULL) | |
928 | return aconf; | |
929 | ||
930 | return NULL; | |
931 | } | |
932 | ||
933 | /* add_temp_kline() | |
934 | * | |
935 | * inputs - pointer to struct ConfItem | |
936 | * output - none | |
937 | * Side effects - links in given struct ConfItem into | |
938 | * temporary kline link list | |
939 | */ | |
940 | void | |
941 | add_temp_kline(struct ConfItem *aconf) | |
942 | { | |
943 | if(aconf->hold >= CurrentTime + (10080 * 60)) | |
944 | { | |
945 | dlinkAddAlloc(aconf, &temp_klines[TEMP_WEEK]); | |
946 | aconf->port = TEMP_WEEK; | |
947 | } | |
948 | else if(aconf->hold >= CurrentTime + (1440 * 60)) | |
949 | { | |
950 | dlinkAddAlloc(aconf, &temp_klines[TEMP_DAY]); | |
951 | aconf->port = TEMP_DAY; | |
952 | } | |
953 | else if(aconf->hold >= CurrentTime + (60 * 60)) | |
954 | { | |
955 | dlinkAddAlloc(aconf, &temp_klines[TEMP_HOUR]); | |
956 | aconf->port = TEMP_HOUR; | |
957 | } | |
958 | else | |
959 | { | |
960 | dlinkAddAlloc(aconf, &temp_klines[TEMP_MIN]); | |
961 | aconf->port = TEMP_MIN; | |
962 | } | |
963 | ||
964 | aconf->flags |= CONF_FLAGS_TEMPORARY; | |
965 | add_conf_by_address(aconf->host, CONF_KILL, aconf->user, aconf); | |
966 | } | |
967 | ||
968 | /* add_temp_dline() | |
969 | * | |
970 | * input - pointer to struct ConfItem | |
971 | * output - none | |
972 | * side effects - added to tdline link list and address hash | |
973 | */ | |
974 | void | |
975 | add_temp_dline(struct ConfItem *aconf) | |
976 | { | |
977 | if(aconf->hold >= CurrentTime + (10080 * 60)) | |
978 | { | |
979 | dlinkAddAlloc(aconf, &temp_dlines[TEMP_WEEK]); | |
980 | aconf->port = TEMP_WEEK; | |
981 | } | |
982 | else if(aconf->hold >= CurrentTime + (1440 * 60)) | |
983 | { | |
984 | dlinkAddAlloc(aconf, &temp_dlines[TEMP_DAY]); | |
985 | aconf->port = TEMP_DAY; | |
986 | } | |
987 | else if(aconf->hold >= CurrentTime + (60 * 60)) | |
988 | { | |
989 | dlinkAddAlloc(aconf, &temp_dlines[TEMP_HOUR]); | |
990 | aconf->port = TEMP_HOUR; | |
991 | } | |
992 | else | |
993 | { | |
994 | dlinkAddAlloc(aconf, &temp_dlines[TEMP_MIN]); | |
995 | aconf->port = TEMP_MIN; | |
996 | } | |
997 | ||
998 | aconf->flags |= CONF_FLAGS_TEMPORARY; | |
999 | add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, aconf); | |
1000 | } | |
1001 | ||
1002 | /* expire_tkline() | |
1003 | * | |
1004 | * inputs - list pointer | |
1005 | * - type | |
1006 | * output - NONE | |
1007 | * side effects - expire tklines and moves them between lists | |
1008 | */ | |
1009 | static void | |
1010 | expire_temp_kd(void *list) | |
1011 | { | |
1012 | dlink_node *ptr; | |
1013 | dlink_node *next_ptr; | |
1014 | struct ConfItem *aconf; | |
1015 | ||
1016 | DLINK_FOREACH_SAFE(ptr, next_ptr, ((dlink_list *) list)->head) | |
1017 | { | |
1018 | aconf = ptr->data; | |
1019 | ||
1020 | if(aconf->hold <= CurrentTime) | |
1021 | { | |
1022 | /* Alert opers that a TKline expired - Hwy */ | |
1023 | if(ConfigFileEntry.tkline_expire_notices) | |
1024 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1025 | "Temporary K-line for [%s@%s] expired", | |
1026 | (aconf->user) ? aconf-> | |
1027 | user : "*", (aconf->host) ? aconf->host : "*"); | |
1028 | ||
1029 | delete_one_address_conf(aconf->host, aconf); | |
1030 | dlinkDestroy(ptr, list); | |
1031 | } | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | static void | |
1036 | reorganise_temp_kd(void *list) | |
1037 | { | |
1038 | struct ConfItem *aconf; | |
1039 | dlink_node *ptr, *next_ptr; | |
1040 | ||
1041 | DLINK_FOREACH_SAFE(ptr, next_ptr, ((dlink_list *) list)->head) | |
1042 | { | |
1043 | aconf = ptr->data; | |
1044 | ||
1045 | if(aconf->hold < (CurrentTime + (60 * 60))) | |
1046 | { | |
1047 | dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ? | |
1048 | &temp_klines[TEMP_MIN] : &temp_dlines[TEMP_MIN]); | |
1049 | aconf->port = TEMP_MIN; | |
1050 | } | |
1051 | else if(aconf->port > TEMP_HOUR) | |
1052 | { | |
1053 | if(aconf->hold < (CurrentTime + (1440 * 60))) | |
1054 | { | |
1055 | dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ? | |
1056 | &temp_klines[TEMP_HOUR] : &temp_dlines[TEMP_HOUR]); | |
1057 | aconf->port = TEMP_HOUR; | |
1058 | } | |
1059 | else if(aconf->port > TEMP_DAY && | |
1060 | (aconf->hold < (CurrentTime + (10080 * 60)))) | |
1061 | { | |
1062 | dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ? | |
1063 | &temp_klines[TEMP_DAY] : &temp_dlines[TEMP_DAY]); | |
1064 | aconf->port = TEMP_DAY; | |
1065 | } | |
1066 | } | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | ||
1071 | /* const char* get_oper_name(struct Client *client_p) | |
1072 | * Input: A client to find the active oper{} name for. | |
1073 | * Output: The nick!user@host{oper} of the oper. | |
1074 | * "oper" is server name for remote opers | |
1075 | * Side effects: None. | |
1076 | */ | |
1077 | char * | |
1078 | get_oper_name(struct Client *client_p) | |
1079 | { | |
1080 | /* +5 for !,@,{,} and null */ | |
1081 | static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5]; | |
1082 | ||
1083 | if(MyOper(client_p)) | |
1084 | { | |
1085 | ircsnprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", | |
1086 | client_p->name, client_p->username, | |
1087 | client_p->host, client_p->localClient->opername); | |
1088 | return buffer; | |
1089 | } | |
1090 | ||
1091 | ircsnprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", | |
1092 | client_p->name, client_p->username, | |
1093 | client_p->host, client_p->servptr->name); | |
1094 | return buffer; | |
1095 | } | |
1096 | ||
1097 | /* | |
1098 | * get_printable_conf | |
1099 | * | |
1100 | * inputs - struct ConfItem | |
1101 | * | |
1102 | * output - name | |
1103 | * - host | |
1104 | * - pass | |
1105 | * - user | |
1106 | * - port | |
1107 | * | |
1108 | * side effects - | |
1109 | * Examine the struct struct ConfItem, setting the values | |
1110 | * of name, host, pass, user to values either | |
1111 | * in aconf, or "<NULL>" port is set to aconf->port in all cases. | |
1112 | */ | |
1113 | void | |
1114 | get_printable_conf(struct ConfItem *aconf, char **name, char **host, | |
1115 | char **pass, char **user, int *port, char **classname) | |
1116 | { | |
1117 | static char null[] = "<NULL>"; | |
1118 | static char zero[] = "default"; | |
1119 | ||
1120 | *name = EmptyString(aconf->name) ? null : aconf->name; | |
1121 | *host = EmptyString(aconf->host) ? null : aconf->host; | |
1122 | *pass = EmptyString(aconf->passwd) ? null : aconf->passwd; | |
1123 | *user = EmptyString(aconf->user) ? null : aconf->user; | |
1124 | *classname = EmptyString(aconf->className) ? zero : aconf->className; | |
1125 | *port = (int) aconf->port; | |
1126 | } | |
1127 | ||
1128 | void | |
1129 | get_printable_kline(struct Client *source_p, struct ConfItem *aconf, | |
1130 | char **host, char **reason, | |
1131 | char **user, char **oper_reason) | |
1132 | { | |
1133 | static char null[] = "<NULL>"; | |
1134 | ||
1135 | *host = EmptyString(aconf->host) ? null : aconf->host; | |
1136 | *reason = EmptyString(aconf->passwd) ? null : aconf->passwd; | |
1137 | *user = EmptyString(aconf->user) ? null : aconf->user; | |
1138 | ||
1139 | if(EmptyString(aconf->spasswd) || !IsOper(source_p)) | |
1140 | *oper_reason = NULL; | |
1141 | else | |
1142 | *oper_reason = aconf->spasswd; | |
1143 | } | |
1144 | ||
1145 | /* | |
1146 | * read_conf_files | |
1147 | * | |
1148 | * inputs - cold start YES or NO | |
1149 | * output - none | |
1150 | * side effects - read all conf files needed, ircd.conf kline.conf etc. | |
1151 | */ | |
1152 | void | |
1153 | read_conf_files(int cold) | |
1154 | { | |
1155 | const char *filename; | |
1156 | ||
1157 | conf_fbfile_in = NULL; | |
1158 | ||
1159 | filename = get_conf_name(CONF_TYPE); | |
1160 | ||
1161 | /* We need to know the initial filename for the yyerror() to report | |
1162 | FIXME: The full path is in conffilenamebuf first time since we | |
1163 | dont know anything else | |
1164 | ||
1165 | - Gozem 2002-07-21 | |
1166 | */ | |
1167 | strlcpy(conffilebuf, filename, sizeof(conffilebuf)); | |
1168 | ||
1169 | if((conf_fbfile_in = fopen(filename, "r")) == NULL) | |
1170 | { | |
1171 | if(cold) | |
1172 | { | |
1173 | ilog(L_MAIN, "Failed in reading configuration file %s", filename); | |
1174 | exit(-1); | |
1175 | } | |
1176 | else | |
1177 | { | |
1178 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1179 | "Can't open file '%s' - aborting rehash!", filename); | |
1180 | return; | |
1181 | } | |
1182 | } | |
1183 | ||
1184 | if(!cold) | |
1185 | { | |
1186 | clear_out_old_conf(); | |
1187 | } | |
1188 | ||
1189 | read_conf(conf_fbfile_in); | |
1190 | fclose(conf_fbfile_in); | |
1191 | } | |
1192 | ||
8ac75529 AC |
1193 | /* |
1194 | * free an alias{} entry. | |
1195 | */ | |
1196 | static void | |
1197 | free_alias_cb(struct DictionaryElement *ptr, void *unused) | |
1198 | { | |
1199 | struct alias_entry *aptr = ptr->data; | |
1200 | ||
1201 | MyFree(aptr->name); | |
1202 | MyFree(aptr->target); | |
1203 | MyFree(aptr); | |
1204 | } | |
1205 | ||
212380e3 AC |
1206 | /* |
1207 | * clear_out_old_conf | |
1208 | * | |
1209 | * inputs - none | |
1210 | * output - none | |
1211 | * side effects - Clear out the old configuration | |
1212 | */ | |
1213 | static void | |
1214 | clear_out_old_conf(void) | |
1215 | { | |
1216 | struct Class *cltmp; | |
1217 | dlink_node *ptr; | |
1218 | dlink_node *next_ptr; | |
212380e3 AC |
1219 | |
1220 | /* | |
1221 | * don't delete the class table, rather mark all entries | |
1222 | * for deletion. The table is cleaned up by check_class. - avalon | |
1223 | */ | |
1224 | DLINK_FOREACH(ptr, class_list.head) | |
1225 | { | |
1226 | cltmp = ptr->data; | |
1227 | MaxUsers(cltmp) = -1; | |
1228 | } | |
1229 | ||
1230 | clear_out_address_conf(); | |
1231 | clear_s_newconf(); | |
1232 | ||
1233 | /* clean out module paths */ | |
1234 | #ifndef STATIC_MODULES | |
1235 | mod_clear_paths(); | |
1236 | mod_add_path(MODULE_DIR); | |
1237 | mod_add_path(MODULE_DIR "/autoload"); | |
1238 | #endif | |
1239 | ||
1240 | /* clean out ServerInfo */ | |
1241 | MyFree(ServerInfo.description); | |
1242 | ServerInfo.description = NULL; | |
1243 | MyFree(ServerInfo.network_name); | |
1244 | ServerInfo.network_name = NULL; | |
1245 | MyFree(ServerInfo.network_desc); | |
1246 | ServerInfo.network_desc = NULL; | |
1247 | ||
1248 | /* clean out AdminInfo */ | |
1249 | MyFree(AdminInfo.name); | |
1250 | AdminInfo.name = NULL; | |
1251 | MyFree(AdminInfo.email); | |
1252 | AdminInfo.email = NULL; | |
1253 | MyFree(AdminInfo.description); | |
1254 | AdminInfo.description = NULL; | |
1255 | ||
1256 | /* operator{} and class{} blocks are freed above */ | |
1257 | /* clean out listeners */ | |
1258 | close_listeners(); | |
1259 | ||
1260 | /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, exempt{} | |
1261 | * and gecos{} blocks are freed above too | |
1262 | */ | |
1263 | ||
1264 | /* clean out general */ | |
1265 | MyFree(ConfigFileEntry.servlink_path); | |
1266 | ConfigFileEntry.servlink_path = NULL; | |
1267 | ||
1268 | DLINK_FOREACH_SAFE(ptr, next_ptr, service_list.head) | |
1269 | { | |
1270 | MyFree(ptr->data); | |
1271 | dlinkDestroy(ptr, &service_list); | |
1272 | } | |
1273 | ||
1274 | /* remove any aliases... -- nenolod */ | |
8ac75529 AC |
1275 | irc_dictionary_destroy(alias_dict, free_alias_cb, NULL); |
1276 | alias_dict = NULL; | |
212380e3 AC |
1277 | |
1278 | destroy_blacklists(); | |
1279 | ||
1280 | /* OK, that should be everything... */ | |
1281 | } | |
1282 | ||
1283 | ||
1284 | /* write_confitem() | |
1285 | * | |
1286 | * inputs - kline, dline or resv type flag | |
1287 | * - client pointer to report to | |
1288 | * - user name of target | |
1289 | * - host name of target | |
1290 | * - reason for target | |
1291 | * - time string | |
1292 | * - type of xline | |
1293 | * output - NONE | |
1294 | * side effects - This function takes care of finding the right conf | |
1295 | * file and adding the line to it, as well as notifying | |
1296 | * opers and the user. | |
1297 | */ | |
1298 | void | |
1299 | write_confitem(KlineType type, struct Client *source_p, char *user, | |
1300 | char *host, const char *reason, const char *oper_reason, | |
1301 | const char *current_date, int xtype) | |
1302 | { | |
1303 | char buffer[1024]; | |
1304 | FILE *out; | |
1305 | const char *filename; /* filename to use for kline */ | |
1306 | ||
1307 | filename = get_conf_name(type); | |
1308 | ||
1309 | if(type == KLINE_TYPE) | |
1310 | { | |
1311 | if(EmptyString(oper_reason)) | |
1312 | { | |
1313 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1314 | "%s added K-Line for [%s@%s] [%s]", | |
1315 | get_oper_name(source_p), user, | |
1316 | host, reason); | |
1317 | ilog(L_KLINE, "K %s 0 %s %s %s", | |
1318 | get_oper_name(source_p), user, host, reason); | |
1319 | } | |
1320 | else | |
1321 | { | |
1322 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1323 | "%s added K-Line for [%s@%s] [%s|%s]", | |
1324 | get_oper_name(source_p), user, | |
1325 | host, reason, oper_reason); | |
1326 | ilog(L_KLINE, "K %s 0 %s %s %s|%s", | |
1327 | get_oper_name(source_p), user, host, | |
1328 | reason, oper_reason); | |
1329 | } | |
1330 | ||
1331 | sendto_one_notice(source_p, ":Added K-Line [%s@%s]", | |
1332 | user, host); | |
1333 | } | |
1334 | else if(type == DLINE_TYPE) | |
1335 | { | |
1336 | if(EmptyString(oper_reason)) | |
1337 | { | |
1338 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1339 | "%s added D-Line for [%s] [%s]", | |
1340 | get_oper_name(source_p), host, reason); | |
1341 | ilog(L_KLINE, "D %s 0 %s %s", | |
1342 | get_oper_name(source_p), host, reason); | |
1343 | } | |
1344 | else | |
1345 | { | |
1346 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1347 | "%s added D-Line for [%s] [%s|%s]", | |
1348 | get_oper_name(source_p), host, | |
1349 | reason, oper_reason); | |
1350 | ilog(L_KLINE, "D %s 0 %s %s|%s", | |
1351 | get_oper_name(source_p), host, | |
1352 | reason, oper_reason); | |
1353 | } | |
1354 | ||
5366977b | 1355 | sendto_one_notice(source_p, ":Added D-Line [%s] to %s", host, filename); |
212380e3 AC |
1356 | |
1357 | } | |
1358 | else if(type == RESV_TYPE) | |
1359 | { | |
1360 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1361 | "%s added RESV for [%s] [%s]", | |
1362 | get_oper_name(source_p), host, reason); | |
1363 | ilog(L_KLINE, "R %s 0 %s %s", | |
1364 | get_oper_name(source_p), host, reason); | |
1365 | ||
1366 | sendto_one_notice(source_p, ":Added RESV for [%s] [%s]", | |
1367 | host, reason); | |
1368 | } | |
1369 | ||
1370 | if((out = fopen(filename, "a")) == NULL) | |
1371 | { | |
1372 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem opening %s ", filename); | |
1373 | sendto_one_notice(source_p, ":*** Problem opening file, added temporarily only"); | |
1374 | return; | |
1375 | } | |
1376 | ||
1377 | if(oper_reason == NULL) | |
1378 | oper_reason = ""; | |
1379 | ||
1380 | if(type == KLINE_TYPE) | |
1381 | { | |
1382 | ircsnprintf(buffer, sizeof(buffer), | |
1383 | "\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",%ld\n", | |
1384 | user, host, reason, oper_reason, current_date, | |
1385 | get_oper_name(source_p), CurrentTime); | |
1386 | } | |
1387 | else if(type == DLINE_TYPE) | |
1388 | { | |
1389 | ircsnprintf(buffer, sizeof(buffer), | |
1390 | "\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",%ld\n", host, | |
1391 | reason, oper_reason, current_date, get_oper_name(source_p), CurrentTime); | |
1392 | } | |
1393 | else if(type == RESV_TYPE) | |
1394 | { | |
1395 | ircsnprintf(buffer, sizeof(buffer), "\"%s\",\"%s\",\"%s\",%ld\n", | |
1396 | host, reason, get_oper_name(source_p), CurrentTime); | |
1397 | } | |
1398 | ||
1399 | if(fputs(buffer, out) == -1) | |
1400 | { | |
1401 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
1402 | sendto_one_notice(source_p, ":*** Problem writing to file, added temporarily only"); | |
1403 | fclose(out); | |
1404 | return; | |
1405 | } | |
1406 | ||
1407 | if (fclose(out)) | |
1408 | { | |
1409 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "*** Problem writing to %s", filename); | |
1410 | sendto_one_notice(source_p, ":*** Problem writing to file, added temporarily only"); | |
1411 | return; | |
1412 | } | |
1413 | } | |
1414 | ||
1415 | /* get_conf_name | |
1416 | * | |
1417 | * inputs - type of conf file to return name of file for | |
1418 | * output - pointer to filename for type of conf | |
1419 | * side effects - none | |
1420 | */ | |
1421 | const char * | |
1422 | get_conf_name(KlineType type) | |
1423 | { | |
1424 | if(type == CONF_TYPE) | |
1425 | { | |
1426 | return (ConfigFileEntry.configfile); | |
1427 | } | |
1428 | else if(type == DLINE_TYPE) | |
1429 | { | |
1430 | return (ConfigFileEntry.dlinefile); | |
1431 | } | |
1432 | else if(type == RESV_TYPE) | |
1433 | { | |
1434 | return (ConfigFileEntry.resvfile); | |
1435 | } | |
1436 | ||
1437 | return ConfigFileEntry.klinefile; | |
1438 | } | |
1439 | ||
1440 | /* | |
1441 | * conf_add_class_to_conf | |
1442 | * inputs - pointer to config item | |
1443 | * output - NONE | |
1444 | * side effects - Add a class pointer to a conf | |
1445 | */ | |
1446 | ||
1447 | void | |
1448 | conf_add_class_to_conf(struct ConfItem *aconf) | |
1449 | { | |
1450 | if(aconf->className == NULL) | |
1451 | { | |
1452 | DupString(aconf->className, "default"); | |
1453 | ClassPtr(aconf) = default_class; | |
1454 | return; | |
1455 | } | |
1456 | ||
1457 | ClassPtr(aconf) = find_class(aconf->className); | |
1458 | ||
1459 | if(ClassPtr(aconf) == default_class) | |
1460 | { | |
1461 | if(aconf->status == CONF_CLIENT) | |
1462 | { | |
1463 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1464 | "Warning -- Using default class for missing class \"%s\" in auth{} for %s@%s", | |
1465 | aconf->className, aconf->user, aconf->host); | |
1466 | } | |
1467 | ||
1468 | MyFree(aconf->className); | |
1469 | DupString(aconf->className, "default"); | |
1470 | return; | |
1471 | } | |
1472 | ||
1473 | if(ConfMaxUsers(aconf) < 0) | |
1474 | { | |
1475 | ClassPtr(aconf) = default_class; | |
1476 | MyFree(aconf->className); | |
1477 | DupString(aconf->className, "default"); | |
1478 | return; | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | /* | |
1483 | * conf_add_d_conf | |
1484 | * inputs - pointer to config item | |
1485 | * output - NONE | |
1486 | * side effects - Add a d/D line | |
1487 | */ | |
1488 | void | |
1489 | conf_add_d_conf(struct ConfItem *aconf) | |
1490 | { | |
1491 | if(aconf->host == NULL) | |
1492 | return; | |
1493 | ||
1494 | aconf->user = NULL; | |
1495 | ||
1496 | /* XXX - Should 'd' ever be in the old conf? For new conf we don't | |
1497 | * need this anyway, so I will disable it for now... -A1kmm | |
1498 | */ | |
1499 | ||
1500 | if(parse_netmask(aconf->host, NULL, NULL) == HM_HOST) | |
1501 | { | |
1502 | ilog(L_MAIN, "Invalid Dline %s ignored", aconf->host); | |
1503 | free_conf(aconf); | |
1504 | } | |
1505 | else | |
1506 | { | |
1507 | add_conf_by_address(aconf->host, CONF_DLINE, NULL, aconf); | |
1508 | } | |
1509 | } | |
1510 | ||
1511 | ||
1512 | /* | |
1513 | * yyerror | |
1514 | * | |
1515 | * inputs - message from parser | |
1516 | * output - none | |
1517 | * side effects - message to opers and log file entry is made | |
1518 | */ | |
1519 | void | |
1520 | yyerror(const char *msg) | |
1521 | { | |
1522 | char newlinebuf[BUFSIZE]; | |
1523 | ||
1524 | strip_tabs(newlinebuf, (const unsigned char *) linebuf, strlen(linebuf)); | |
1525 | ||
1526 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "\"%s\", line %d: %s at '%s'", | |
1527 | conffilebuf, lineno + 1, msg, newlinebuf); | |
1528 | ||
1529 | ilog(L_MAIN, "\"%s\", line %d: %s at '%s'", conffilebuf, lineno + 1, msg, newlinebuf); | |
1530 | } | |
1531 | ||
1532 | int | |
1533 | conf_fgets(char *lbuf, int max_size, FILE * fb) | |
1534 | { | |
1535 | char *buff; | |
1536 | ||
1537 | if((buff = fgets(lbuf, max_size, fb)) == NULL) | |
1538 | return (0); | |
1539 | ||
1540 | return (strlen(lbuf)); | |
1541 | } | |
1542 | ||
1543 | int | |
1544 | conf_yy_fatal_error(const char *msg) | |
1545 | { | |
1546 | return (0); | |
1547 | } |