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[solanum.git] / ircd / s_conf.c
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 *
24 * $Id: s_conf.c 3550 2007-08-09 06:47:26Z nenolod $
25 */
26
27 #include "stdinc.h"
28 #include "ircd_defs.h"
29 #include "s_conf.h"
30 #include "s_newconf.h"
31 #include "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 "hash.h"
39 #include "match.h"
40 #include "ircd.h"
41 #include "listener.h"
42 #include "hostmask.h"
43 #include "modules.h"
44 #include "numeric.h"
45 #include "logger.h"
46 #include "send.h"
47 #include "reject.h"
48 #include "cache.h"
49 #include "blacklist.h"
50 #include "privilege.h"
51 #include "sslproc.h"
52 #include "bandbi.h"
53 #include "operhash.h"
54 #include "chmode.h"
55 #include "hook.h"
56 #include "s_assert.h"
57
58 struct config_server_hide ConfigServerHide;
59
60 extern int yyparse(void); /* 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 rb_bh *confitem_heap = NULL;
68
69 rb_dlink_list prop_bans;
70
71 rb_dlink_list temp_klines[LAST_TEMP_TYPE];
72 rb_dlink_list temp_dlines[LAST_TEMP_TYPE];
73 rb_dlink_list service_list;
74
75 /* internally defined functions */
76 static void set_default_conf(void);
77 static void validate_conf(void);
78 static void read_conf(void);
79 static void clear_out_old_conf(void);
80
81 static void expire_prop_bans(void *list);
82 static void expire_temp_kd(void *list);
83 static void reorganise_temp_kd(void *list);
84
85 FILE *conf_fbfile_in;
86 extern char yytext[];
87
88 static int verify_access(struct Client *client_p, const char *username);
89 static struct ConfItem *find_address_conf_by_client(struct Client *client_p, const char *username);
90 static int attach_iline(struct Client *, struct ConfItem *);
91
92 void
93 init_s_conf(void)
94 {
95 confitem_heap = rb_bh_create(sizeof(struct ConfItem), CONFITEM_HEAP_SIZE, "confitem_heap");
96
97 rb_event_addish("expire_prop_bans", expire_prop_bans, &prop_bans, 60);
98
99 rb_event_addish("expire_temp_klines", expire_temp_kd, &temp_klines[TEMP_MIN], 60);
100 rb_event_addish("expire_temp_dlines", expire_temp_kd, &temp_dlines[TEMP_MIN], 60);
101
102 rb_event_addish("expire_temp_klines_hour", reorganise_temp_kd,
103 &temp_klines[TEMP_HOUR], 3600);
104 rb_event_addish("expire_temp_dlines_hour", reorganise_temp_kd,
105 &temp_dlines[TEMP_HOUR], 3600);
106 rb_event_addish("expire_temp_klines_day", reorganise_temp_kd,
107 &temp_klines[TEMP_DAY], 86400);
108 rb_event_addish("expire_temp_dlines_day", reorganise_temp_kd,
109 &temp_dlines[TEMP_DAY], 86400);
110 rb_event_addish("expire_temp_klines_week", reorganise_temp_kd,
111 &temp_klines[TEMP_WEEK], 604800);
112 rb_event_addish("expire_temp_dlines_week", reorganise_temp_kd,
113 &temp_dlines[TEMP_WEEK], 604800);
114 }
115
116 /*
117 * make_conf
118 *
119 * inputs - none
120 * output - pointer to new conf entry
121 * side effects - none
122 */
123 struct ConfItem *
124 make_conf()
125 {
126 struct ConfItem *aconf;
127
128 aconf = rb_bh_alloc(confitem_heap);
129 aconf->status = CONF_ILLEGAL;
130 return (aconf);
131 }
132
133 /*
134 * free_conf
135 *
136 * inputs - pointer to conf to free
137 * output - none
138 * side effects - crucial password fields are zeroed, conf is freed
139 */
140 void
141 free_conf(struct ConfItem *aconf)
142 {
143 s_assert(aconf != NULL);
144 if(aconf == NULL)
145 return;
146
147 /* security.. */
148 if(aconf->passwd)
149 memset(aconf->passwd, 0, strlen(aconf->passwd));
150 if(aconf->spasswd)
151 memset(aconf->spasswd, 0, strlen(aconf->spasswd));
152
153 rb_free(aconf->passwd);
154 rb_free(aconf->spasswd);
155 rb_free(aconf->className);
156 rb_free(aconf->user);
157 rb_free(aconf->host);
158
159 if(IsConfBan(aconf))
160 operhash_delete(aconf->info.oper);
161 else
162 rb_free(aconf->info.name);
163
164 rb_bh_free(confitem_heap, aconf);
165 }
166
167 /*
168 * check_client
169 *
170 * inputs - pointer to client
171 * output - 0 = Success
172 * NOT_AUTHORISED (-1) = Access denied (no I line match)
173 * SOCKET_ERROR (-2) = Bad socket.
174 * I_LINE_FULL (-3) = I-line is full
175 * TOO_MANY (-4) = Too many connections from hostname
176 * BANNED_CLIENT (-5) = K-lined
177 * side effects - Ordinary client access check.
178 * Look for conf lines which have the same
179 * status as the flags passed.
180 */
181 int
182 check_client(struct Client *client_p, struct Client *source_p, const char *username)
183 {
184 int i;
185
186 if((i = verify_access(source_p, username)))
187 {
188 ilog(L_FUSER, "Access denied: %s[%s]",
189 source_p->name, source_p->sockhost);
190 }
191
192 switch (i)
193 {
194 case SOCKET_ERROR:
195 exit_client(client_p, source_p, &me, "Socket Error");
196 break;
197
198 case TOO_MANY_LOCAL:
199 /* Note that these notices are sent to opers on other
200 * servers also, so even if local opers are allowed to
201 * see the IP, we still cannot send it.
202 */
203 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
204 "Too many local connections for %s!%s%s@%s",
205 source_p->name, IsGotId(source_p) ? "" : "~",
206 source_p->username,
207 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
208
209 ilog(L_FUSER, "Too many local connections from %s!%s%s@%s",
210 source_p->name, IsGotId(source_p) ? "" : "~",
211 source_p->username, source_p->sockhost);
212
213 ServerStats.is_ref++;
214 exit_client(client_p, source_p, &me, "Too many host connections (local)");
215 break;
216
217 case TOO_MANY_GLOBAL:
218 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
219 "Too many global connections for %s!%s%s@%s",
220 source_p->name, IsGotId(source_p) ? "" : "~",
221 source_p->username,
222 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
223 ilog(L_FUSER, "Too many global connections from %s!%s%s@%s",
224 source_p->name, IsGotId(source_p) ? "" : "~",
225 source_p->username, source_p->sockhost);
226
227 ServerStats.is_ref++;
228 exit_client(client_p, source_p, &me, "Too many host connections (global)");
229 break;
230
231 case TOO_MANY_IDENT:
232 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
233 "Too many user connections for %s!%s%s@%s",
234 source_p->name, IsGotId(source_p) ? "" : "~",
235 source_p->username,
236 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
237 ilog(L_FUSER, "Too many user connections from %s!%s%s@%s",
238 source_p->name, IsGotId(source_p) ? "" : "~",
239 source_p->username, source_p->sockhost);
240
241 ServerStats.is_ref++;
242 exit_client(client_p, source_p, &me, "Too many user connections (global)");
243 break;
244
245 case I_LINE_FULL:
246 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
247 "I-line is full for %s!%s%s@%s (%s).",
248 source_p->name, IsGotId(source_p) ? "" : "~",
249 source_p->username, source_p->host,
250 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : "255.255.255.255");
251
252 ilog(L_FUSER, "Too many connections from %s!%s%s@%s.",
253 source_p->name, IsGotId(source_p) ? "" : "~",
254 source_p->username, source_p->sockhost);
255
256 ServerStats.is_ref++;
257 exit_client(client_p, source_p, &me,
258 "No more connections allowed in your connection class");
259 break;
260
261 case NOT_AUTHORISED:
262 {
263 int port = -1;
264 #ifdef RB_IPV6
265 if(source_p->localClient->ip.ss_family == AF_INET6)
266 port = ntohs(((struct sockaddr_in6 *)&source_p->localClient->listener->addr)->sin6_port);
267 else
268 #endif
269 port = ntohs(((struct sockaddr_in *)&source_p->localClient->listener->addr)->sin_port);
270
271 ServerStats.is_ref++;
272 /* jdc - lists server name & port connections are on */
273 /* a purely cosmetical change */
274 /* why ipaddr, and not just source_p->sockhost? --fl */
275 #if 0
276 static char ipaddr[HOSTIPLEN];
277 rb_inet_ntop_sock(&source_p->localClient->ip, ipaddr, sizeof(ipaddr));
278 #endif
279 sendto_realops_snomask(SNO_UNAUTH, L_ALL,
280 "Unauthorised client connection from "
281 "%s!%s%s@%s [%s] on [%s/%u].",
282 source_p->name, IsGotId(source_p) ? "" : "~",
283 source_p->username, source_p->host,
284 source_p->sockhost,
285 source_p->localClient->listener->name, port);
286
287 ilog(L_FUSER,
288 "Unauthorised client connection from %s!%s%s@%s on [%s/%u].",
289 source_p->name, IsGotId(source_p) ? "" : "~",
290 source_p->username, source_p->sockhost,
291 source_p->localClient->listener->name, port);
292 add_reject(client_p, NULL, NULL);
293 exit_client(client_p, source_p, &me,
294 "You are not authorised to use this server");
295 break;
296 }
297 case BANNED_CLIENT:
298 exit_client(client_p, client_p, &me, "*** Banned ");
299 ServerStats.is_ref++;
300 break;
301
302 case 0:
303 default:
304 break;
305 }
306 return (i);
307 }
308
309 /*
310 * verify_access
311 *
312 * inputs - pointer to client to verify
313 * - pointer to proposed username
314 * output - 0 if success -'ve if not
315 * side effect - find the first (best) I line to attach.
316 */
317 static int
318 verify_access(struct Client *client_p, const char *username)
319 {
320 struct ConfItem *aconf;
321
322 aconf = find_address_conf_by_client(client_p, username);
323 if(aconf == NULL)
324 return NOT_AUTHORISED;
325
326 if(aconf->status & CONF_CLIENT)
327 {
328 if(aconf->flags & CONF_FLAGS_REDIR)
329 {
330 sendto_one_numeric(client_p, RPL_REDIR, form_str(RPL_REDIR),
331 aconf->info.name ? aconf->info.name : "", aconf->port);
332 return (NOT_AUTHORISED);
333 }
334
335 /* Thanks for spoof idea amm */
336 if(IsConfDoSpoofIp(aconf))
337 {
338 char *p;
339
340 /* show_ip() depends on this --fl */
341 SetIPSpoof(client_p);
342
343 if(IsConfSpoofNotice(aconf))
344 {
345 sendto_realops_snomask(SNO_GENERAL, L_ALL,
346 "%s spoofing: %s as %s",
347 client_p->name,
348 show_ip(NULL, client_p) ? client_p->host : aconf->info.name,
349 aconf->info.name);
350 }
351
352 /* user@host spoof */
353 if((p = strchr(aconf->info.name, '@')) != NULL)
354 {
355 char *host = p+1;
356 *p = '\0';
357
358 rb_strlcpy(client_p->username, aconf->info.name,
359 sizeof(client_p->username));
360 rb_strlcpy(client_p->host, host,
361 sizeof(client_p->host));
362 *p = '@';
363 }
364 else
365 rb_strlcpy(client_p->host, aconf->info.name, sizeof(client_p->host));
366 }
367 return (attach_iline(client_p, aconf));
368 }
369 else if(aconf->status & CONF_KILL)
370 {
371 if(ConfigFileEntry.kline_with_reason)
372 sendto_one(client_p,
373 form_str(ERR_YOUREBANNEDCREEP),
374 me.name, client_p->name,
375 get_user_ban_reason(aconf));
376 add_reject(client_p, aconf->user, aconf->host);
377 return (BANNED_CLIENT);
378 }
379
380 return NOT_AUTHORISED;
381 }
382
383
384 /*
385 * find_address_conf_by_client
386 */
387 static struct ConfItem *
388 find_address_conf_by_client(struct Client *client_p, const char *username)
389 {
390 struct ConfItem *aconf;
391 char non_ident[USERLEN + 1];
392
393 if(IsGotId(client_p))
394 {
395 aconf = find_address_conf(client_p->host, client_p->sockhost,
396 client_p->username, client_p->username,
397 (struct sockaddr *) &client_p->localClient->ip,
398 client_p->localClient->ip.ss_family,
399 client_p->localClient->auth_user);
400 }
401 else
402 {
403 rb_strlcpy(non_ident, "~", sizeof(non_ident));
404 rb_strlcat(non_ident, username, sizeof(non_ident));
405 aconf = find_address_conf(client_p->host, client_p->sockhost,
406 non_ident, client_p->username,
407 (struct sockaddr *) &client_p->localClient->ip,
408 client_p->localClient->ip.ss_family,
409 client_p->localClient->auth_user);
410 }
411 return aconf;
412 }
413
414
415 /*
416 * add_ip_limit
417 *
418 * Returns 1 if successful 0 if not
419 *
420 * This checks if the user has exceed the limits for their class
421 * unless of course they are exempt..
422 */
423
424 static int
425 add_ip_limit(struct Client *client_p, struct ConfItem *aconf)
426 {
427 rb_patricia_node_t *pnode;
428 int bitlen;
429
430 /* If the limits are 0 don't do anything.. */
431 if(ConfCidrAmount(aconf) == 0
432 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
433 return -1;
434
435 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
436
437 if(GET_SS_FAMILY(&client_p->localClient->ip) == AF_INET)
438 bitlen = ConfCidrIpv4Bitlen(aconf);
439 else
440 bitlen = ConfCidrIpv6Bitlen(aconf);
441
442 if(pnode == NULL)
443 pnode = make_and_lookup_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip, bitlen);
444
445 s_assert(pnode != NULL);
446
447 if(pnode != NULL)
448 {
449 if(((intptr_t)pnode->data) >= ConfCidrAmount(aconf) && !IsConfExemptLimits(aconf))
450 {
451 /* This should only happen if the limits are set to 0 */
452 if((intptr_t)pnode->data == 0)
453 {
454 rb_patricia_remove(ConfIpLimits(aconf), pnode);
455 }
456 return (0);
457 }
458
459 pnode->data = (void *)(((intptr_t)pnode->data) + 1);
460 }
461 return 1;
462 }
463
464 static void
465 remove_ip_limit(struct Client *client_p, struct ConfItem *aconf)
466 {
467 rb_patricia_node_t *pnode;
468
469 /* If the limits are 0 don't do anything.. */
470 if(ConfCidrAmount(aconf) == 0
471 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
472 return;
473
474 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
475 if(pnode == NULL)
476 return;
477
478 pnode->data = (void *)(((intptr_t)pnode->data) - 1);
479 if(((intptr_t)pnode->data) == 0)
480 {
481 rb_patricia_remove(ConfIpLimits(aconf), pnode);
482 }
483
484 }
485
486 /*
487 * attach_iline
488 *
489 * inputs - client pointer
490 * - conf pointer
491 * output -
492 * side effects - do actual attach
493 */
494 static int
495 attach_iline(struct Client *client_p, struct ConfItem *aconf)
496 {
497 struct Client *target_p;
498 rb_dlink_node *ptr;
499 int local_count = 0;
500 int global_count = 0;
501 int ident_count = 0;
502 int unidented;
503
504 if(IsConfExemptLimits(aconf))
505 return (attach_conf(client_p, aconf));
506
507 unidented = !IsGotId(client_p) && !IsNoTilde(aconf) &&
508 (!IsConfDoSpoofIp(aconf) || !strchr(aconf->info.name, '@'));
509
510 /* find_hostname() returns the head of the list to search */
511 RB_DLINK_FOREACH(ptr, find_hostname(client_p->host))
512 {
513 target_p = ptr->data;
514
515 if(irccmp(client_p->host, target_p->orighost) != 0)
516 continue;
517
518 if(MyConnect(target_p))
519 local_count++;
520
521 global_count++;
522
523 if(unidented)
524 {
525 if(*target_p->username == '~')
526 ident_count++;
527 }
528 else if(irccmp(target_p->username, client_p->username) == 0)
529 ident_count++;
530
531 if(ConfMaxLocal(aconf) && local_count >= ConfMaxLocal(aconf))
532 return (TOO_MANY_LOCAL);
533 else if(ConfMaxGlobal(aconf) && global_count >= ConfMaxGlobal(aconf))
534 return (TOO_MANY_GLOBAL);
535 else if(ConfMaxIdent(aconf) && ident_count >= ConfMaxIdent(aconf))
536 return (TOO_MANY_IDENT);
537 }
538
539
540 return (attach_conf(client_p, aconf));
541 }
542
543 /*
544 * detach_conf
545 *
546 * inputs - pointer to client to detach
547 * output - 0 for success, -1 for failure
548 * side effects - Disassociate configuration from the client.
549 * Also removes a class from the list if marked for deleting.
550 */
551 int
552 detach_conf(struct Client *client_p)
553 {
554 struct ConfItem *aconf;
555
556 aconf = client_p->localClient->att_conf;
557
558 if(aconf != NULL)
559 {
560 if(ClassPtr(aconf))
561 {
562 remove_ip_limit(client_p, aconf);
563
564 if(ConfCurrUsers(aconf) > 0)
565 --ConfCurrUsers(aconf);
566
567 if(ConfMaxUsers(aconf) == -1 && ConfCurrUsers(aconf) == 0)
568 {
569 free_class(ClassPtr(aconf));
570 ClassPtr(aconf) = NULL;
571 }
572
573 }
574
575 aconf->clients--;
576 if(!aconf->clients && IsIllegal(aconf))
577 free_conf(aconf);
578
579 client_p->localClient->att_conf = NULL;
580 return 0;
581 }
582
583 return -1;
584 }
585
586 /*
587 * attach_conf
588 *
589 * inputs - client pointer
590 * - conf pointer
591 * output -
592 * side effects - Associate a specific configuration entry to a *local*
593 * client (this is the one which used in accepting the
594 * connection). Note, that this automatically changes the
595 * attachment if there was an old one...
596 */
597 int
598 attach_conf(struct Client *client_p, struct ConfItem *aconf)
599 {
600 if(IsIllegal(aconf))
601 return (NOT_AUTHORISED);
602
603 if(ClassPtr(aconf))
604 {
605 if(!add_ip_limit(client_p, aconf))
606 return (TOO_MANY_LOCAL);
607 }
608
609 if((aconf->status & CONF_CLIENT) &&
610 ConfCurrUsers(aconf) >= ConfMaxUsers(aconf) && ConfMaxUsers(aconf) > 0)
611 {
612 if(!IsConfExemptLimits(aconf))
613 {
614 return (I_LINE_FULL);
615 }
616 else
617 {
618 sendto_one_notice(client_p, ":*** I: line is full, but you have an >I: line!");
619 }
620
621 }
622
623 if(client_p->localClient->att_conf != NULL)
624 detach_conf(client_p);
625
626 client_p->localClient->att_conf = aconf;
627
628 aconf->clients++;
629 ConfCurrUsers(aconf)++;
630 return (0);
631 }
632
633 /*
634 * rehash
635 *
636 * Actual REHASH service routine. Called with sig == 0 if it has been called
637 * as a result of an operator issuing this command, else assume it has been
638 * called as a result of the server receiving a HUP signal.
639 */
640 int
641 rehash(int sig)
642 {
643 if(sig != 0)
644 {
645 sendto_realops_snomask(SNO_GENERAL, L_ALL,
646 "Got signal SIGHUP, reloading ircd conf. file");
647 }
648
649 restart_resolver();
650 /* don't close listeners until we know we can go ahead with the rehash */
651 read_conf_files(NO);
652
653 if(ServerInfo.description != NULL)
654 rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
655 else
656 rb_strlcpy(me.info, "unknown", sizeof(me.info));
657
658 open_logfiles();
659 return (0);
660 }
661
662 void
663 rehash_bans(int sig)
664 {
665 bandb_rehash_bans();
666 }
667
668 /*
669 * set_default_conf()
670 *
671 * inputs - NONE
672 * output - NONE
673 * side effects - Set default values here.
674 * This is called **PRIOR** to parsing the
675 * configuration file. If you want to do some validation
676 * of values later, put them in validate_conf().
677 */
678
679 #define YES 1
680 #define NO 0
681 #define UNSET -1
682
683 static void
684 set_default_conf(void)
685 {
686 /* ServerInfo.name is not rehashable */
687 /* ServerInfo.name = ServerInfo.name; */
688 ServerInfo.description = NULL;
689 ServerInfo.network_name = NULL;
690
691 memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
692 ServerInfo.specific_ipv4_vhost = 0;
693 #ifdef RB_IPV6
694 memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
695 ServerInfo.specific_ipv6_vhost = 0;
696 #endif
697
698 /* Don't reset hub, as that will break lazylinks */
699 /* ServerInfo.hub = NO; */
700 AdminInfo.name = NULL;
701 AdminInfo.email = NULL;
702 AdminInfo.description = NULL;
703
704 ConfigFileEntry.default_operstring = NULL;
705 ConfigFileEntry.default_adminstring = NULL;
706 ConfigFileEntry.servicestring = NULL;
707 ConfigFileEntry.sasl_service = NULL;
708
709 ConfigFileEntry.default_umodes = UMODE_INVISIBLE;
710 ConfigFileEntry.failed_oper_notice = YES;
711 ConfigFileEntry.anti_nick_flood = NO;
712 ConfigFileEntry.disable_fake_channels = NO;
713 ConfigFileEntry.max_nick_time = 20;
714 ConfigFileEntry.max_nick_changes = 5;
715 ConfigFileEntry.max_accept = 20;
716 ConfigFileEntry.max_monitor = 60;
717 ConfigFileEntry.nick_delay = 900; /* 15 minutes */
718 ConfigFileEntry.target_change = YES;
719 ConfigFileEntry.anti_spam_exit_message_time = 0;
720 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
721 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
722 ConfigFileEntry.client_exit = YES;
723 ConfigFileEntry.dline_with_reason = YES;
724 ConfigFileEntry.kline_with_reason = YES;
725 ConfigFileEntry.kline_delay = 0;
726 ConfigFileEntry.warn_no_nline = YES;
727 ConfigFileEntry.non_redundant_klines = YES;
728 ConfigFileEntry.stats_e_disabled = NO;
729 ConfigFileEntry.stats_o_oper_only = NO;
730 ConfigFileEntry.stats_k_oper_only = 1; /* masked */
731 ConfigFileEntry.stats_i_oper_only = 1; /* masked */
732 ConfigFileEntry.stats_P_oper_only = NO;
733 ConfigFileEntry.stats_c_oper_only = NO;
734 ConfigFileEntry.stats_y_oper_only = NO;
735 ConfigFileEntry.stats_h_oper_only = NO;
736 ConfigFileEntry.map_oper_only = YES;
737 ConfigFileEntry.operspy_admin_only = NO;
738 ConfigFileEntry.pace_wait = 10;
739 ConfigFileEntry.caller_id_wait = 60;
740 ConfigFileEntry.pace_wait_simple = 1;
741 ConfigFileEntry.short_motd = NO;
742 ConfigFileEntry.no_oper_flood = NO;
743 ConfigFileEntry.fname_userlog = NULL;
744 ConfigFileEntry.fname_fuserlog = NULL;
745 ConfigFileEntry.fname_operlog = NULL;
746 ConfigFileEntry.fname_foperlog = NULL;
747 ConfigFileEntry.fname_serverlog = NULL;
748 ConfigFileEntry.fname_killlog = NULL;
749 ConfigFileEntry.fname_klinelog = NULL;
750 ConfigFileEntry.fname_operspylog = NULL;
751 ConfigFileEntry.fname_ioerrorlog = NULL;
752 ConfigFileEntry.hide_spoof_ips = YES;
753 ConfigFileEntry.hide_error_messages = 1;
754 ConfigFileEntry.dots_in_ident = 0;
755 ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
756 ConfigFileEntry.use_whois_actually = YES;
757 ConfigFileEntry.burst_away = NO;
758 ConfigFileEntry.collision_fnc = YES;
759 ConfigFileEntry.resv_fnc = YES;
760 ConfigFileEntry.global_snotices = YES;
761 ConfigFileEntry.operspy_dont_care_user_info = NO;
762 ConfigFileEntry.use_propagated_bans = YES;
763 ConfigFileEntry.max_ratelimit_tokens = 30;
764 ConfigFileEntry.away_interval = 30;
765
766 #ifdef HAVE_LIBZ
767 ConfigFileEntry.compression_level = 4;
768 #endif
769
770 ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE |
771 UMODE_OPERWALL | UMODE_WALLOP;
772 ConfigFileEntry.oper_only_umodes = UMODE_SERVNOTICE;
773 ConfigFileEntry.oper_snomask = SNO_GENERAL;
774
775 ConfigChannel.use_except = YES;
776 ConfigChannel.use_invex = YES;
777 ConfigChannel.use_forward = YES;
778 ConfigChannel.use_knock = YES;
779 ConfigChannel.knock_delay = 300;
780 ConfigChannel.knock_delay_channel = 60;
781 ConfigChannel.max_chans_per_user = 15;
782 ConfigChannel.max_bans = 25;
783 ConfigChannel.max_bans_large = 500;
784 ConfigChannel.only_ascii_channels = NO;
785 ConfigChannel.burst_topicwho = NO;
786 ConfigChannel.kick_on_split_riding = NO;
787
788 ConfigChannel.default_split_user_count = 15000;
789 ConfigChannel.default_split_server_count = 10;
790 ConfigChannel.no_join_on_split = NO;
791 ConfigChannel.no_create_on_split = YES;
792 ConfigChannel.resv_forcepart = YES;
793 ConfigChannel.channel_target_change = YES;
794 ConfigChannel.disable_local_channels = NO;
795 ConfigChannel.displayed_usercount = 3;
796
797 ConfigChannel.autochanmodes = MODE_TOPICLIMIT | MODE_NOPRIVMSGS;
798
799 ConfigServerHide.flatten_links = 0;
800 ConfigServerHide.links_delay = 300;
801 ConfigServerHide.hidden = 0;
802 ConfigServerHide.disable_hidden = 0;
803
804 ConfigFileEntry.min_nonwildcard = 4;
805 ConfigFileEntry.min_nonwildcard_simple = 3;
806 ConfigFileEntry.default_floodcount = 8;
807 ConfigFileEntry.default_ident_timeout = IDENT_TIMEOUT_DEFAULT;
808 ConfigFileEntry.tkline_expire_notices = 0;
809
810 ConfigFileEntry.reject_after_count = 5;
811 ConfigFileEntry.reject_ban_time = 300;
812 ConfigFileEntry.reject_duration = 120;
813 ConfigFileEntry.throttle_count = 4;
814 ConfigFileEntry.throttle_duration = 60;
815
816 ConfigFileEntry.client_flood_max_lines = CLIENT_FLOOD_DEFAULT;
817 ConfigFileEntry.client_flood_burst_rate = 5;
818 ConfigFileEntry.client_flood_burst_max = 5;
819 ConfigFileEntry.client_flood_message_time = 1;
820 ConfigFileEntry.client_flood_message_num = 2;
821
822 ServerInfo.default_max_clients = MAXCONNECTIONS;
823
824 ConfigFileEntry.nicklen = NICKLEN;
825 ConfigFileEntry.certfp_method = RB_SSL_CERTFP_METH_SHA1;
826
827 if (!alias_dict)
828 alias_dict = irc_dictionary_create(strcasecmp);
829 }
830
831 #undef YES
832 #undef NO
833
834 /*
835 * read_conf()
836 *
837 *
838 * inputs - None
839 * output - None
840 * side effects - Read configuration file.
841 */
842 static void
843 read_conf(void)
844 {
845 lineno = 0;
846
847 set_default_conf(); /* Set default values prior to conf parsing */
848 yyparse(); /* Load the values from the conf */
849 validate_conf(); /* Check to make sure some values are still okay. */
850 /* Some global values are also loaded here. */
851 check_class(); /* Make sure classes are valid */
852 privilegeset_delete_all_illegal();
853 construct_cflags_strings();
854 }
855
856 static void
857 validate_conf(void)
858 {
859 if(ConfigFileEntry.default_ident_timeout < 1)
860 ConfigFileEntry.default_ident_timeout = IDENT_TIMEOUT_DEFAULT;
861
862 if(ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
863 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
864
865 if(ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
866 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
867
868 if(ServerInfo.network_name == NULL)
869 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
870
871 if(ServerInfo.ssld_count < 1)
872 ServerInfo.ssld_count = 1;
873
874 if(!rb_setup_ssl_server(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params, ServerInfo.ssl_cipher_list))
875 {
876 ilog(L_MAIN, "WARNING: Unable to setup SSL.");
877 ssl_ok = 0;
878 } else {
879 ssl_ok = 1;
880 send_new_ssl_certs(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params, ServerInfo.ssl_cipher_list);
881 }
882
883 if(ServerInfo.ssld_count > get_ssld_count())
884 {
885 int start = ServerInfo.ssld_count - get_ssld_count();
886 /* start up additional ssld if needed */
887 start_ssldaemon(start, ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params, ServerInfo.ssl_cipher_list);
888 }
889
890 /* General conf */
891 if (ConfigFileEntry.default_operstring == NULL)
892 ConfigFileEntry.default_operstring = rb_strdup("is an IRC operator");
893
894 if (ConfigFileEntry.default_adminstring == NULL)
895 ConfigFileEntry.default_adminstring = rb_strdup("is a Server Administrator");
896
897 if (ConfigFileEntry.servicestring == NULL)
898 ConfigFileEntry.servicestring = rb_strdup("is a Network Service");
899
900 if (ConfigFileEntry.sasl_service == NULL)
901 ConfigFileEntry.sasl_service = rb_strdup("SaslServ");
902
903 /* RFC 1459 says 1 message per 2 seconds on average and bursts of
904 * 5 messages are acceptable, so allow at least that.
905 */
906 if(ConfigFileEntry.client_flood_burst_rate < 5)
907 ConfigFileEntry.client_flood_burst_rate = 5;
908 if(ConfigFileEntry.client_flood_burst_max < 5)
909 ConfigFileEntry.client_flood_burst_max = 5;
910 if(ConfigFileEntry.client_flood_message_time >
911 ConfigFileEntry.client_flood_message_num * 2)
912 ConfigFileEntry.client_flood_message_time =
913 ConfigFileEntry.client_flood_message_num * 2;
914
915 if((ConfigFileEntry.client_flood_max_lines < CLIENT_FLOOD_MIN) ||
916 (ConfigFileEntry.client_flood_max_lines > CLIENT_FLOOD_MAX))
917 ConfigFileEntry.client_flood_max_lines = CLIENT_FLOOD_MAX;
918
919 if(!split_users || !split_servers ||
920 (!ConfigChannel.no_create_on_split && !ConfigChannel.no_join_on_split))
921 {
922 rb_event_delete(check_splitmode_ev);
923 check_splitmode_ev = NULL;
924 splitmode = 0;
925 splitchecking = 0;
926 }
927 }
928
929 /* add_temp_kline()
930 *
931 * inputs - pointer to struct ConfItem
932 * output - none
933 * Side effects - links in given struct ConfItem into
934 * temporary kline link list
935 */
936 void
937 add_temp_kline(struct ConfItem *aconf)
938 {
939 if(aconf->hold >= rb_current_time() + (10080 * 60))
940 {
941 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_WEEK]);
942 aconf->port = TEMP_WEEK;
943 }
944 else if(aconf->hold >= rb_current_time() + (1440 * 60))
945 {
946 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_DAY]);
947 aconf->port = TEMP_DAY;
948 }
949 else if(aconf->hold >= rb_current_time() + (60 * 60))
950 {
951 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_HOUR]);
952 aconf->port = TEMP_HOUR;
953 }
954 else
955 {
956 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_MIN]);
957 aconf->port = TEMP_MIN;
958 }
959
960 aconf->flags |= CONF_FLAGS_TEMPORARY;
961 add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);
962 }
963
964 /* add_temp_dline()
965 *
966 * input - pointer to struct ConfItem
967 * output - none
968 * side effects - added to tdline link list and address hash
969 */
970 void
971 add_temp_dline(struct ConfItem *aconf)
972 {
973 if(aconf->hold >= rb_current_time() + (10080 * 60))
974 {
975 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_WEEK]);
976 aconf->port = TEMP_WEEK;
977 }
978 else if(aconf->hold >= rb_current_time() + (1440 * 60))
979 {
980 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_DAY]);
981 aconf->port = TEMP_DAY;
982 }
983 else if(aconf->hold >= rb_current_time() + (60 * 60))
984 {
985 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_HOUR]);
986 aconf->port = TEMP_HOUR;
987 }
988 else
989 {
990 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_MIN]);
991 aconf->port = TEMP_MIN;
992 }
993
994 aconf->flags |= CONF_FLAGS_TEMPORARY;
995 add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, NULL, aconf);
996 }
997
998 /* valid_wild_card()
999 *
1000 * input - user buffer, host buffer
1001 * output - 0 if invalid, 1 if valid
1002 * side effects -
1003 */
1004 int
1005 valid_wild_card(const char *luser, const char *lhost)
1006 {
1007 const char *p;
1008 char tmpch;
1009 int nonwild = 0;
1010 int bitlen;
1011
1012 /* user has no wildcards, always accept -- jilles */
1013 if(!strchr(luser, '?') && !strchr(luser, '*'))
1014 return 1;
1015
1016 /* check there are enough non wildcard chars */
1017 p = luser;
1018 while((tmpch = *p++))
1019 {
1020 if(!IsKWildChar(tmpch))
1021 {
1022 /* found enough chars, return */
1023 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1024 return 1;
1025 }
1026 }
1027
1028 /* try host, as user didnt contain enough */
1029 /* special case for cidr masks -- jilles */
1030 if((p = strrchr(lhost, '/')) != NULL && IsDigit(p[1]))
1031 {
1032 bitlen = atoi(p + 1);
1033 /* much like non-cidr for ipv6, rather arbitrary for ipv4 */
1034 if(bitlen > 0
1035 && bitlen >=
1036 (strchr(lhost, ':') ? 4 * (ConfigFileEntry.min_nonwildcard - nonwild) : 6 -
1037 2 * nonwild))
1038 return 1;
1039 }
1040 else
1041 {
1042 p = lhost;
1043 while((tmpch = *p++))
1044 {
1045 if(!IsKWildChar(tmpch))
1046 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1047 return 1;
1048 }
1049 }
1050
1051 return 0;
1052 }
1053
1054 rb_dlink_node *
1055 find_prop_ban(unsigned int status, const char *user, const char *host)
1056 {
1057 rb_dlink_node *ptr;
1058 struct ConfItem *aconf;
1059
1060 RB_DLINK_FOREACH(ptr, prop_bans.head)
1061 {
1062 aconf = ptr->data;
1063
1064 if((aconf->status & ~CONF_ILLEGAL) == status &&
1065 (!user || !aconf->user ||
1066 !irccmp(aconf->user, user)) &&
1067 !irccmp(aconf->host, host))
1068 return ptr;
1069 }
1070 return NULL;
1071 }
1072
1073 void
1074 deactivate_conf(struct ConfItem *aconf, rb_dlink_node *ptr, time_t now)
1075 {
1076 int i;
1077
1078 s_assert(ptr->data == aconf);
1079
1080 switch (aconf->status)
1081 {
1082 case CONF_KILL:
1083 if (aconf->lifetime == 0 &&
1084 aconf->flags & CONF_FLAGS_TEMPORARY)
1085 for (i = 0; i < LAST_TEMP_TYPE; i++)
1086 rb_dlinkFindDestroy(aconf, &temp_klines[i]);
1087 /* Make sure delete_one_address_conf() does not
1088 * free the aconf.
1089 */
1090 aconf->clients++;
1091 delete_one_address_conf(aconf->host, aconf);
1092 aconf->clients--;
1093 break;
1094 case CONF_DLINE:
1095 if (aconf->lifetime == 0 &&
1096 aconf->flags & CONF_FLAGS_TEMPORARY)
1097 for (i = 0; i < LAST_TEMP_TYPE; i++)
1098 rb_dlinkFindDestroy(aconf, &temp_dlines[i]);
1099 aconf->clients++;
1100 delete_one_address_conf(aconf->host, aconf);
1101 aconf->clients--;
1102 break;
1103 case CONF_XLINE:
1104 rb_dlinkFindDestroy(aconf, &xline_conf_list);
1105 break;
1106 case CONF_RESV_NICK:
1107 rb_dlinkFindDestroy(aconf, &resv_conf_list);
1108 break;
1109 case CONF_RESV_CHANNEL:
1110 del_from_resv_hash(aconf->host, aconf);
1111 break;
1112 }
1113 if (aconf->lifetime != 0 && now < aconf->lifetime)
1114 aconf->status |= CONF_ILLEGAL;
1115 else
1116 {
1117 if (aconf->lifetime != 0)
1118 rb_dlinkDestroy(ptr, &prop_bans);
1119 free_conf(aconf);
1120 }
1121 }
1122
1123 /* Given a new ban ConfItem, look for any matching ban, update the lifetime
1124 * from it and delete it.
1125 */
1126 void
1127 replace_old_ban(struct ConfItem *aconf)
1128 {
1129 rb_dlink_node *ptr;
1130 struct ConfItem *oldconf;
1131
1132 ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
1133 if(ptr != NULL)
1134 {
1135 oldconf = ptr->data;
1136 /* Remember at least as long as the old one. */
1137 if(oldconf->lifetime > aconf->lifetime)
1138 aconf->lifetime = oldconf->lifetime;
1139 /* Force creation time to increase. */
1140 if(oldconf->created >= aconf->created)
1141 aconf->created = oldconf->created + 1;
1142 /* Leave at least one second of validity. */
1143 if(aconf->hold <= aconf->created)
1144 aconf->hold = aconf->created + 1;
1145 if(aconf->lifetime < aconf->hold)
1146 aconf->lifetime = aconf->hold;
1147 /* Tell deactivate_conf() to destroy it. */
1148 oldconf->lifetime = rb_current_time();
1149 deactivate_conf(oldconf, ptr, oldconf->lifetime);
1150 }
1151 }
1152
1153 static void
1154 expire_prop_bans(void *list)
1155 {
1156 rb_dlink_node *ptr;
1157 rb_dlink_node *next_ptr;
1158 struct ConfItem *aconf;
1159 time_t now;
1160
1161 now = rb_current_time();
1162 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1163 {
1164 aconf = ptr->data;
1165
1166 if(aconf->lifetime <= now ||
1167 (aconf->hold <= now &&
1168 !(aconf->status & CONF_ILLEGAL)))
1169 {
1170 /* Alert opers that a TKline expired - Hwy */
1171 /* XXX show what type of ban it is */
1172 if(ConfigFileEntry.tkline_expire_notices &&
1173 !(aconf->status & CONF_ILLEGAL))
1174 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1175 "Propagated ban for [%s%s%s] expired",
1176 aconf->user ? aconf->user : "",
1177 aconf->user ? "@" : "",
1178 aconf->host ? aconf->host : "*");
1179
1180 /* will destroy or mark illegal */
1181 deactivate_conf(aconf, ptr, now);
1182 }
1183 }
1184 }
1185
1186 /* expire_tkline()
1187 *
1188 * inputs - list pointer
1189 * - type
1190 * output - NONE
1191 * side effects - expire tklines and moves them between lists
1192 */
1193 static void
1194 expire_temp_kd(void *list)
1195 {
1196 rb_dlink_node *ptr;
1197 rb_dlink_node *next_ptr;
1198 struct ConfItem *aconf;
1199
1200 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1201 {
1202 aconf = ptr->data;
1203
1204 if(aconf->hold <= rb_current_time())
1205 {
1206 /* Alert opers that a TKline expired - Hwy */
1207 if(ConfigFileEntry.tkline_expire_notices)
1208 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1209 "Temporary K-line for [%s@%s] expired",
1210 (aconf->user) ? aconf->
1211 user : "*", (aconf->host) ? aconf->host : "*");
1212
1213 delete_one_address_conf(aconf->host, aconf);
1214 rb_dlinkDestroy(ptr, list);
1215 }
1216 }
1217 }
1218
1219 static void
1220 reorganise_temp_kd(void *list)
1221 {
1222 struct ConfItem *aconf;
1223 rb_dlink_node *ptr, *next_ptr;
1224
1225 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1226 {
1227 aconf = ptr->data;
1228
1229 if(aconf->hold < (rb_current_time() + (60 * 60)))
1230 {
1231 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1232 &temp_klines[TEMP_MIN] : &temp_dlines[TEMP_MIN]);
1233 aconf->port = TEMP_MIN;
1234 }
1235 else if(aconf->port > TEMP_HOUR)
1236 {
1237 if(aconf->hold < (rb_current_time() + (1440 * 60)))
1238 {
1239 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1240 &temp_klines[TEMP_HOUR] : &temp_dlines[TEMP_HOUR]);
1241 aconf->port = TEMP_HOUR;
1242 }
1243 else if(aconf->port > TEMP_DAY &&
1244 (aconf->hold < (rb_current_time() + (10080 * 60))))
1245 {
1246 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1247 &temp_klines[TEMP_DAY] : &temp_dlines[TEMP_DAY]);
1248 aconf->port = TEMP_DAY;
1249 }
1250 }
1251 }
1252 }
1253
1254
1255 /* const char* get_oper_name(struct Client *client_p)
1256 * Input: A client to find the active oper{} name for.
1257 * Output: The nick!user@host{oper} of the oper.
1258 * "oper" is server name for remote opers
1259 * Side effects: None.
1260 */
1261 char *
1262 get_oper_name(struct Client *client_p)
1263 {
1264 /* +5 for !,@,{,} and null */
1265 static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1266
1267 if(MyOper(client_p))
1268 {
1269 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1270 client_p->name, client_p->username,
1271 client_p->host, client_p->localClient->opername);
1272 return buffer;
1273 }
1274
1275 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1276 client_p->name, client_p->username,
1277 client_p->host, client_p->servptr->name);
1278 return buffer;
1279 }
1280
1281 /*
1282 * get_printable_conf
1283 *
1284 * inputs - struct ConfItem
1285 *
1286 * output - name
1287 * - host
1288 * - pass
1289 * - user
1290 * - port
1291 *
1292 * side effects -
1293 * Examine the struct struct ConfItem, setting the values
1294 * of name, host, pass, user to values either
1295 * in aconf, or "<NULL>" port is set to aconf->port in all cases.
1296 */
1297 void
1298 get_printable_conf(struct ConfItem *aconf, char **name, char **host,
1299 const char **pass, char **user, int *port, char **classname)
1300 {
1301 static char null[] = "<NULL>";
1302 static char zero[] = "default";
1303
1304 *name = EmptyString(aconf->info.name) ? null : aconf->info.name;
1305 *host = EmptyString(aconf->host) ? null : aconf->host;
1306 *pass = EmptyString(aconf->passwd) ? null : aconf->passwd;
1307 *user = EmptyString(aconf->user) ? null : aconf->user;
1308 *classname = EmptyString(aconf->className) ? zero : aconf->className;
1309 *port = (int) aconf->port;
1310 }
1311
1312 char *
1313 get_user_ban_reason(struct ConfItem *aconf)
1314 {
1315 static char reasonbuf[BUFSIZE];
1316
1317 if (aconf->flags & CONF_FLAGS_TEMPORARY &&
1318 (aconf->status == CONF_KILL || aconf->status == CONF_DLINE))
1319 rb_snprintf(reasonbuf, sizeof reasonbuf,
1320 "Temporary %c-line %d min. - ",
1321 aconf->status == CONF_DLINE ? 'D' : 'K',
1322 (int)((aconf->hold - aconf->created) / 60));
1323 else
1324 reasonbuf[0] = '\0';
1325 if (aconf->passwd)
1326 rb_strlcat(reasonbuf, aconf->passwd, sizeof reasonbuf);
1327 else
1328 rb_strlcat(reasonbuf, "No Reason", sizeof reasonbuf);
1329 if (aconf->created)
1330 {
1331 rb_strlcat(reasonbuf, " (", sizeof reasonbuf);
1332 rb_strlcat(reasonbuf, smalldate(aconf->created),
1333 sizeof reasonbuf);
1334 rb_strlcat(reasonbuf, ")", sizeof reasonbuf);
1335 }
1336 return reasonbuf;
1337 }
1338
1339 void
1340 get_printable_kline(struct Client *source_p, struct ConfItem *aconf,
1341 char **host, char **reason,
1342 char **user, char **oper_reason)
1343 {
1344 static char null[] = "<NULL>";
1345 static char operreasonbuf[BUFSIZE];
1346
1347 *host = EmptyString(aconf->host) ? null : aconf->host;
1348 *user = EmptyString(aconf->user) ? null : aconf->user;
1349 *reason = get_user_ban_reason(aconf);
1350
1351 if(!IsOper(source_p))
1352 *oper_reason = NULL;
1353 else
1354 {
1355 rb_snprintf(operreasonbuf, sizeof operreasonbuf, "%s%s(%s)",
1356 EmptyString(aconf->spasswd) ? "" : aconf->spasswd,
1357 EmptyString(aconf->spasswd) ? "" : " ",
1358 aconf->info.oper);
1359 *oper_reason = operreasonbuf;
1360 }
1361 }
1362
1363 /*
1364 * read_conf_files
1365 *
1366 * inputs - cold start YES or NO
1367 * output - none
1368 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1369 */
1370 void
1371 read_conf_files(int cold)
1372 {
1373 const char *filename;
1374
1375 conf_fbfile_in = NULL;
1376
1377 filename = ConfigFileEntry.configfile;
1378
1379 /* We need to know the initial filename for the yyerror() to report
1380 FIXME: The full path is in conffilenamebuf first time since we
1381 dont know anything else
1382
1383 - Gozem 2002-07-21
1384
1385
1386 */
1387 rb_strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1388
1389 if((conf_fbfile_in = fopen(filename, "r")) == NULL)
1390 {
1391 if(cold)
1392 {
1393 inotice("Failed in reading configuration file %s, aborting", filename);
1394 ilog(L_MAIN, "Failed in reading configuration file %s", filename);
1395
1396 int e;
1397 e = errno;
1398
1399 inotice("FATAL: %s %s", strerror(e), filename);
1400 ilog(L_MAIN, "FATAL: %s %s", strerror(e), filename);
1401
1402 exit(-1);
1403 }
1404 else
1405 {
1406 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1407 "Can't open file '%s' - aborting rehash!", filename);
1408 return;
1409 }
1410 }
1411
1412 if(!cold)
1413 {
1414 clear_out_old_conf();
1415 }
1416
1417 call_hook(h_conf_read_start, NULL);
1418 read_conf();
1419 call_hook(h_conf_read_end, NULL);
1420
1421 fclose(conf_fbfile_in);
1422 }
1423
1424 /*
1425 * free an alias{} entry.
1426 */
1427 static void
1428 free_alias_cb(struct DictionaryElement *ptr, void *unused)
1429 {
1430 struct alias_entry *aptr = ptr->data;
1431
1432 rb_free(aptr->name);
1433 rb_free(aptr->target);
1434 rb_free(aptr);
1435 }
1436
1437 /*
1438 * clear_out_old_conf
1439 *
1440 * inputs - none
1441 * output - none
1442 * side effects - Clear out the old configuration
1443 */
1444 static void
1445 clear_out_old_conf(void)
1446 {
1447 struct Class *cltmp;
1448 rb_dlink_node *ptr;
1449 rb_dlink_node *next_ptr;
1450
1451 /*
1452 * don't delete the class table, rather mark all entries
1453 * for deletion. The table is cleaned up by check_class. - avalon
1454 */
1455 RB_DLINK_FOREACH(ptr, class_list.head)
1456 {
1457 cltmp = ptr->data;
1458 MaxUsers(cltmp) = -1;
1459 }
1460
1461 clear_out_address_conf();
1462 clear_s_newconf();
1463
1464 /* clean out module paths */
1465 mod_clear_paths();
1466 mod_add_path(MODULE_DIR);
1467 mod_add_path(MODULE_DIR "/autoload");
1468
1469 /* clean out ServerInfo */
1470 rb_free(ServerInfo.description);
1471 ServerInfo.description = NULL;
1472 rb_free(ServerInfo.network_name);
1473 ServerInfo.network_name = NULL;
1474
1475 ServerInfo.ssld_count = 1;
1476
1477 /* clean out AdminInfo */
1478 rb_free(AdminInfo.name);
1479 AdminInfo.name = NULL;
1480 rb_free(AdminInfo.email);
1481 AdminInfo.email = NULL;
1482 rb_free(AdminInfo.description);
1483 AdminInfo.description = NULL;
1484
1485 /* operator{} and class{} blocks are freed above */
1486 /* clean out listeners */
1487 close_listeners();
1488
1489 /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, exempt{}
1490 * and gecos{} blocks are freed above too
1491 */
1492
1493 /* clean out general */
1494 rb_free(ConfigFileEntry.default_operstring);
1495 ConfigFileEntry.default_operstring = NULL;
1496 rb_free(ConfigFileEntry.default_adminstring);
1497 ConfigFileEntry.default_adminstring = NULL;
1498 rb_free(ConfigFileEntry.servicestring);
1499 ConfigFileEntry.servicestring = NULL;
1500 rb_free(ConfigFileEntry.kline_reason);
1501 ConfigFileEntry.kline_reason = NULL;
1502 rb_free(ConfigFileEntry.sasl_service);
1503 ConfigFileEntry.sasl_service = NULL;
1504
1505 /* clean out log */
1506 rb_free(ConfigFileEntry.fname_userlog);
1507 ConfigFileEntry.fname_userlog = NULL;
1508 rb_free(ConfigFileEntry.fname_fuserlog);
1509 ConfigFileEntry.fname_fuserlog = NULL;
1510 rb_free(ConfigFileEntry.fname_operlog);
1511 ConfigFileEntry.fname_operlog = NULL;
1512 rb_free(ConfigFileEntry.fname_foperlog);
1513 ConfigFileEntry.fname_foperlog = NULL;
1514 rb_free(ConfigFileEntry.fname_serverlog);
1515 ConfigFileEntry.fname_serverlog = NULL;
1516 rb_free(ConfigFileEntry.fname_killlog);
1517 ConfigFileEntry.fname_killlog = NULL;
1518 rb_free(ConfigFileEntry.fname_klinelog);
1519 ConfigFileEntry.fname_klinelog = NULL;
1520 rb_free(ConfigFileEntry.fname_operspylog);
1521 ConfigFileEntry.fname_operspylog = NULL;
1522 rb_free(ConfigFileEntry.fname_ioerrorlog);
1523 ConfigFileEntry.fname_ioerrorlog = NULL;
1524
1525 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, service_list.head)
1526 {
1527 rb_free(ptr->data);
1528 rb_dlinkDestroy(ptr, &service_list);
1529 }
1530
1531 /* remove any aliases... -- nenolod */
1532 if (alias_dict != NULL)
1533 {
1534 irc_dictionary_destroy(alias_dict, free_alias_cb, NULL);
1535 alias_dict = NULL;
1536 }
1537
1538 destroy_blacklists();
1539
1540 privilegeset_mark_all_illegal();
1541
1542 /* OK, that should be everything... */
1543 }
1544
1545
1546 /*
1547 * conf_add_class_to_conf
1548 * inputs - pointer to config item
1549 * output - NONE
1550 * side effects - Add a class pointer to a conf
1551 */
1552
1553 void
1554 conf_add_class_to_conf(struct ConfItem *aconf)
1555 {
1556 if(aconf->className == NULL)
1557 {
1558 aconf->className = rb_strdup("default");
1559 ClassPtr(aconf) = default_class;
1560 return;
1561 }
1562
1563 ClassPtr(aconf) = find_class(aconf->className);
1564
1565 if(ClassPtr(aconf) == default_class)
1566 {
1567 if(aconf->status == CONF_CLIENT)
1568 {
1569 conf_report_error(
1570 "Using default class for missing class \"%s\" in auth{} for %s@%s",
1571 aconf->className, aconf->user, aconf->host);
1572 }
1573
1574 rb_free(aconf->className);
1575 aconf->className = rb_strdup("default");
1576 return;
1577 }
1578
1579 if(ConfMaxUsers(aconf) < 0)
1580 {
1581 ClassPtr(aconf) = default_class;
1582 rb_free(aconf->className);
1583 aconf->className = rb_strdup("default");
1584 return;
1585 }
1586 }
1587
1588 /*
1589 * conf_add_d_conf
1590 * inputs - pointer to config item
1591 * output - NONE
1592 * side effects - Add a d/D line
1593 */
1594 void
1595 conf_add_d_conf(struct ConfItem *aconf)
1596 {
1597 if(aconf->host == NULL)
1598 return;
1599
1600 aconf->user = NULL;
1601
1602 /* XXX - Should 'd' ever be in the old conf? For new conf we don't
1603 * need this anyway, so I will disable it for now... -A1kmm
1604 */
1605
1606 if(parse_netmask(aconf->host, NULL, NULL) == HM_HOST)
1607 {
1608 ilog(L_MAIN, "Invalid Dline %s ignored", aconf->host);
1609 free_conf(aconf);
1610 }
1611 else
1612 {
1613 add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);
1614 }
1615 }
1616
1617 static char *
1618 strip_tabs(char *dest, const char *src, size_t len)
1619 {
1620 char *d = dest;
1621
1622 if(dest == NULL || src == NULL)
1623 return NULL;
1624
1625 rb_strlcpy(dest, src, len);
1626
1627 while(*d)
1628 {
1629 if(*d == '\t')
1630 *d = ' ';
1631 d++;
1632 }
1633 return dest;
1634 }
1635
1636 /*
1637 * yyerror
1638 *
1639 * inputs - message from parser
1640 * output - none
1641 * side effects - message to opers and log file entry is made
1642 */
1643 void
1644 yyerror(const char *msg)
1645 {
1646 char newlinebuf[BUFSIZE];
1647
1648 strip_tabs(newlinebuf, linebuf, strlen(linebuf));
1649
1650 ierror("\"%s\", line %d: %s at '%s'", conffilebuf, lineno + 1, msg, newlinebuf);
1651 sendto_realops_snomask(SNO_GENERAL, L_ALL, "\"%s\", line %d: %s at '%s'",
1652 conffilebuf, lineno + 1, msg, newlinebuf);
1653
1654 }
1655
1656 int
1657 conf_fgets(char *lbuf, int max_size, FILE * fb)
1658 {
1659 if(fgets(lbuf, max_size, fb) == NULL)
1660 return (0);
1661
1662 return (strlen(lbuf));
1663 }
1664
1665 int
1666 conf_yy_fatal_error(const char *msg)
1667 {
1668 return (0);
1669 }
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