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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
56 struct config_server_hide ConfigServerHide;
57
58 extern int yyparse(void); /* defined in y.tab.c */
59 extern char linebuf[];
60
61 #ifndef INADDR_NONE
62 #define INADDR_NONE ((unsigned int) 0xffffffff)
63 #endif
64
65 static rb_bh *confitem_heap = NULL;
66
67 rb_dlink_list prop_bans;
68
69 rb_dlink_list temp_klines[LAST_TEMP_TYPE];
70 rb_dlink_list temp_dlines[LAST_TEMP_TYPE];
71 rb_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_prop_bans(void *list);
80 static void expire_temp_kd(void *list);
81 static void reorganise_temp_kd(void *list);
82
83 FILE *conf_fbfile_in;
84 extern char yytext[];
85
86 static int verify_access(struct Client *client_p, const char *username);
87 static int attach_iline(struct Client *, struct ConfItem *);
88
89 void
90 init_s_conf(void)
91 {
92 confitem_heap = rb_bh_create(sizeof(struct ConfItem), CONFITEM_HEAP_SIZE, "confitem_heap");
93
94 rb_event_addish("expire_prop_bans", expire_prop_bans, &prop_bans, 60);
95
96 rb_event_addish("expire_temp_klines", expire_temp_kd, &temp_klines[TEMP_MIN], 60);
97 rb_event_addish("expire_temp_dlines", expire_temp_kd, &temp_dlines[TEMP_MIN], 60);
98
99 rb_event_addish("expire_temp_klines_hour", reorganise_temp_kd,
100 &temp_klines[TEMP_HOUR], 3600);
101 rb_event_addish("expire_temp_dlines_hour", reorganise_temp_kd,
102 &temp_dlines[TEMP_HOUR], 3600);
103 rb_event_addish("expire_temp_klines_day", reorganise_temp_kd,
104 &temp_klines[TEMP_DAY], 86400);
105 rb_event_addish("expire_temp_dlines_day", reorganise_temp_kd,
106 &temp_dlines[TEMP_DAY], 86400);
107 rb_event_addish("expire_temp_klines_week", reorganise_temp_kd,
108 &temp_klines[TEMP_WEEK], 604800);
109 rb_event_addish("expire_temp_dlines_week", reorganise_temp_kd,
110 &temp_dlines[TEMP_WEEK], 604800);
111 }
112
113 /*
114 * make_conf
115 *
116 * inputs - none
117 * output - pointer to new conf entry
118 * side effects - none
119 */
120 struct ConfItem *
121 make_conf()
122 {
123 struct ConfItem *aconf;
124
125 aconf = rb_bh_alloc(confitem_heap);
126 aconf->status = CONF_ILLEGAL;
127 return (aconf);
128 }
129
130 /*
131 * free_conf
132 *
133 * inputs - pointer to conf to free
134 * output - none
135 * side effects - crucial password fields are zeroed, conf is freed
136 */
137 void
138 free_conf(struct ConfItem *aconf)
139 {
140 s_assert(aconf != NULL);
141 if(aconf == NULL)
142 return;
143
144 /* security.. */
145 if(aconf->passwd)
146 memset(aconf->passwd, 0, strlen(aconf->passwd));
147 if(aconf->spasswd)
148 memset(aconf->spasswd, 0, strlen(aconf->spasswd));
149
150 rb_free(aconf->passwd);
151 rb_free(aconf->spasswd);
152 rb_free(aconf->className);
153 rb_free(aconf->user);
154 rb_free(aconf->host);
155
156 if(IsConfBan(aconf))
157 operhash_delete(aconf->info.oper);
158 else
159 rb_free(aconf->info.name);
160
161 rb_bh_free(confitem_heap, aconf);
162 }
163
164 /*
165 * check_client
166 *
167 * inputs - pointer to client
168 * output - 0 = Success
169 * NOT_AUTHORISED (-1) = Access denied (no I line match)
170 * SOCKET_ERROR (-2) = Bad socket.
171 * I_LINE_FULL (-3) = I-line is full
172 * TOO_MANY (-4) = Too many connections from hostname
173 * BANNED_CLIENT (-5) = K-lined
174 * side effects - Ordinary client access check.
175 * Look for conf lines which have the same
176 * status as the flags passed.
177 */
178 int
179 check_client(struct Client *client_p, struct Client *source_p, const char *username)
180 {
181 int i;
182
183 if((i = verify_access(source_p, username)))
184 {
185 ilog(L_FUSER, "Access denied: %s[%s]",
186 source_p->name, source_p->sockhost);
187 }
188
189 switch (i)
190 {
191 case SOCKET_ERROR:
192 exit_client(client_p, source_p, &me, "Socket Error");
193 break;
194
195 case TOO_MANY_LOCAL:
196 /* Note that these notices are sent to opers on other
197 * servers also, so even if local opers are allowed to
198 * see the IP, we still cannot send it.
199 */
200 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
201 "Too many local connections for %s!%s%s@%s",
202 source_p->name, IsGotId(source_p) ? "" : "~",
203 source_p->username,
204 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
205
206 ilog(L_FUSER, "Too many local connections from %s!%s%s@%s",
207 source_p->name, IsGotId(source_p) ? "" : "~",
208 source_p->username, source_p->sockhost);
209
210 ServerStats.is_ref++;
211 exit_client(client_p, source_p, &me, "Too many host connections (local)");
212 break;
213
214 case TOO_MANY_GLOBAL:
215 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
216 "Too many global connections for %s!%s%s@%s",
217 source_p->name, IsGotId(source_p) ? "" : "~",
218 source_p->username,
219 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
220 ilog(L_FUSER, "Too many global connections from %s!%s%s@%s",
221 source_p->name, IsGotId(source_p) ? "" : "~",
222 source_p->username, source_p->sockhost);
223
224 ServerStats.is_ref++;
225 exit_client(client_p, source_p, &me, "Too many host connections (global)");
226 break;
227
228 case TOO_MANY_IDENT:
229 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
230 "Too many user connections for %s!%s%s@%s",
231 source_p->name, IsGotId(source_p) ? "" : "~",
232 source_p->username,
233 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
234 ilog(L_FUSER, "Too many user connections from %s!%s%s@%s",
235 source_p->name, IsGotId(source_p) ? "" : "~",
236 source_p->username, source_p->sockhost);
237
238 ServerStats.is_ref++;
239 exit_client(client_p, source_p, &me, "Too many user connections (global)");
240 break;
241
242 case I_LINE_FULL:
243 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
244 "I-line is full for %s!%s%s@%s (%s).",
245 source_p->name, IsGotId(source_p) ? "" : "~",
246 source_p->username, source_p->host,
247 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : "255.255.255.255");
248
249 ilog(L_FUSER, "Too many connections from %s!%s%s@%s.",
250 source_p->name, IsGotId(source_p) ? "" : "~",
251 source_p->username, source_p->sockhost);
252
253 ServerStats.is_ref++;
254 exit_client(client_p, source_p, &me,
255 "No more connections allowed in your connection class");
256 break;
257
258 case NOT_AUTHORISED:
259 {
260 int port = -1;
261 #ifdef RB_IPV6
262 if(source_p->localClient->ip.ss_family == AF_INET6)
263 port = ntohs(((struct sockaddr_in6 *)&source_p->localClient->listener->addr)->sin6_port);
264 else
265 #endif
266 port = ntohs(((struct sockaddr_in *)&source_p->localClient->listener->addr)->sin_port);
267
268 ServerStats.is_ref++;
269 /* jdc - lists server name & port connections are on */
270 /* a purely cosmetical change */
271 /* why ipaddr, and not just source_p->sockhost? --fl */
272 #if 0
273 static char ipaddr[HOSTIPLEN];
274 rb_inet_ntop_sock(&source_p->localClient->ip, ipaddr, sizeof(ipaddr));
275 #endif
276 sendto_realops_snomask(SNO_UNAUTH, L_ALL,
277 "Unauthorised client connection from "
278 "%s!%s%s@%s [%s] on [%s/%u].",
279 source_p->name, IsGotId(source_p) ? "" : "~",
280 source_p->username, source_p->host,
281 source_p->sockhost,
282 source_p->localClient->listener->name, port);
283
284 ilog(L_FUSER,
285 "Unauthorised client connection from %s!%s%s@%s on [%s/%u].",
286 source_p->name, IsGotId(source_p) ? "" : "~",
287 source_p->username, source_p->sockhost,
288 source_p->localClient->listener->name, port);
289 add_reject(client_p, NULL, NULL);
290 exit_client(client_p, source_p, &me,
291 "You are not authorised to use this server");
292 break;
293 }
294 case BANNED_CLIENT:
295 exit_client(client_p, client_p, &me, "*** Banned ");
296 ServerStats.is_ref++;
297 break;
298
299 case 0:
300 default:
301 break;
302 }
303 return (i);
304 }
305
306 /*
307 * verify_access
308 *
309 * inputs - pointer to client to verify
310 * - pointer to proposed username
311 * output - 0 if success -'ve if not
312 * side effect - find the first (best) I line to attach.
313 */
314 static int
315 verify_access(struct Client *client_p, const char *username)
316 {
317 struct ConfItem *aconf;
318 char non_ident[USERLEN + 1];
319
320 if(IsGotId(client_p))
321 {
322 aconf = find_address_conf(client_p->host, client_p->sockhost,
323 client_p->username, client_p->username,
324 (struct sockaddr *) &client_p->localClient->ip,
325 client_p->localClient->ip.ss_family,
326 client_p->localClient->auth_user);
327 }
328 else
329 {
330 rb_strlcpy(non_ident, "~", sizeof(non_ident));
331 rb_strlcat(non_ident, username, sizeof(non_ident));
332 aconf = find_address_conf(client_p->host, client_p->sockhost,
333 non_ident, client_p->username,
334 (struct sockaddr *) &client_p->localClient->ip,
335 client_p->localClient->ip.ss_family,
336 client_p->localClient->auth_user);
337 }
338
339 if(aconf == NULL)
340 return NOT_AUTHORISED;
341
342 if(aconf->status & CONF_CLIENT)
343 {
344 if(aconf->flags & CONF_FLAGS_REDIR)
345 {
346 sendto_one_numeric(client_p, RPL_REDIR, form_str(RPL_REDIR),
347 aconf->info.name ? aconf->info.name : "", aconf->port);
348 return (NOT_AUTHORISED);
349 }
350
351 /* Thanks for spoof idea amm */
352 if(IsConfDoSpoofIp(aconf))
353 {
354 char *p;
355
356 /* show_ip() depends on this --fl */
357 SetIPSpoof(client_p);
358
359 if(IsConfSpoofNotice(aconf))
360 {
361 sendto_realops_snomask(SNO_GENERAL, L_ALL,
362 "%s spoofing: %s as %s",
363 client_p->name,
364 show_ip(NULL, client_p) ? client_p->host : aconf->info.name,
365 aconf->info.name);
366 }
367
368 /* user@host spoof */
369 if((p = strchr(aconf->info.name, '@')) != NULL)
370 {
371 char *host = p+1;
372 *p = '\0';
373
374 rb_strlcpy(client_p->username, aconf->info.name,
375 sizeof(client_p->username));
376 rb_strlcpy(client_p->host, host,
377 sizeof(client_p->host));
378 *p = '@';
379 }
380 else
381 rb_strlcpy(client_p->host, aconf->info.name, sizeof(client_p->host));
382 }
383 return (attach_iline(client_p, aconf));
384 }
385 else if(aconf->status & CONF_KILL)
386 {
387 if(ConfigFileEntry.kline_with_reason)
388 sendto_one(client_p,
389 form_str(ERR_YOUREBANNEDCREEP),
390 me.name, client_p->name,
391 get_user_ban_reason(aconf));
392 add_reject(client_p, aconf->user, aconf->host);
393 return (BANNED_CLIENT);
394 }
395
396 return NOT_AUTHORISED;
397 }
398
399
400 /*
401 * add_ip_limit
402 *
403 * Returns 1 if successful 0 if not
404 *
405 * This checks if the user has exceed the limits for their class
406 * unless of course they are exempt..
407 */
408
409 static int
410 add_ip_limit(struct Client *client_p, struct ConfItem *aconf)
411 {
412 rb_patricia_node_t *pnode;
413 int bitlen;
414
415 /* If the limits are 0 don't do anything.. */
416 if(ConfCidrAmount(aconf) == 0
417 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
418 return -1;
419
420 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
421
422 if(GET_SS_FAMILY(&client_p->localClient->ip) == AF_INET)
423 bitlen = ConfCidrIpv4Bitlen(aconf);
424 else
425 bitlen = ConfCidrIpv6Bitlen(aconf);
426
427 if(pnode == NULL)
428 pnode = make_and_lookup_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip, bitlen);
429
430 s_assert(pnode != NULL);
431
432 if(pnode != NULL)
433 {
434 if(((intptr_t)pnode->data) >= ConfCidrAmount(aconf) && !IsConfExemptLimits(aconf))
435 {
436 /* This should only happen if the limits are set to 0 */
437 if((intptr_t)pnode->data == 0)
438 {
439 rb_patricia_remove(ConfIpLimits(aconf), pnode);
440 }
441 return (0);
442 }
443
444 pnode->data = (void *)(((intptr_t)pnode->data) + 1);
445 }
446 return 1;
447 }
448
449 static void
450 remove_ip_limit(struct Client *client_p, struct ConfItem *aconf)
451 {
452 rb_patricia_node_t *pnode;
453
454 /* If the limits are 0 don't do anything.. */
455 if(ConfCidrAmount(aconf) == 0
456 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
457 return;
458
459 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
460 if(pnode == NULL)
461 return;
462
463 pnode->data = (void *)(((intptr_t)pnode->data) - 1);
464 if(((intptr_t)pnode->data) == 0)
465 {
466 rb_patricia_remove(ConfIpLimits(aconf), pnode);
467 }
468
469 }
470
471 /*
472 * attach_iline
473 *
474 * inputs - client pointer
475 * - conf pointer
476 * output -
477 * side effects - do actual attach
478 */
479 static int
480 attach_iline(struct Client *client_p, struct ConfItem *aconf)
481 {
482 struct Client *target_p;
483 rb_dlink_node *ptr;
484 int local_count = 0;
485 int global_count = 0;
486 int ident_count = 0;
487 int unidented;
488
489 if(IsConfExemptLimits(aconf))
490 return (attach_conf(client_p, aconf));
491
492 unidented = !IsGotId(client_p) && !IsNoTilde(aconf) &&
493 (!IsConfDoSpoofIp(aconf) || !strchr(aconf->info.name, '@'));
494
495 /* find_hostname() returns the head of the list to search */
496 RB_DLINK_FOREACH(ptr, find_hostname(client_p->host))
497 {
498 target_p = ptr->data;
499
500 if(irccmp(client_p->host, target_p->orighost) != 0)
501 continue;
502
503 if(MyConnect(target_p))
504 local_count++;
505
506 global_count++;
507
508 if(unidented)
509 {
510 if(*target_p->username == '~')
511 ident_count++;
512 }
513 else if(irccmp(target_p->username, client_p->username) == 0)
514 ident_count++;
515
516 if(ConfMaxLocal(aconf) && local_count >= ConfMaxLocal(aconf))
517 return (TOO_MANY_LOCAL);
518 else if(ConfMaxGlobal(aconf) && global_count >= ConfMaxGlobal(aconf))
519 return (TOO_MANY_GLOBAL);
520 else if(ConfMaxIdent(aconf) && ident_count >= ConfMaxIdent(aconf))
521 return (TOO_MANY_IDENT);
522 }
523
524
525 return (attach_conf(client_p, aconf));
526 }
527
528 /*
529 * detach_conf
530 *
531 * inputs - pointer to client to detach
532 * output - 0 for success, -1 for failure
533 * side effects - Disassociate configuration from the client.
534 * Also removes a class from the list if marked for deleting.
535 */
536 int
537 detach_conf(struct Client *client_p)
538 {
539 struct ConfItem *aconf;
540
541 aconf = client_p->localClient->att_conf;
542
543 if(aconf != NULL)
544 {
545 if(ClassPtr(aconf))
546 {
547 remove_ip_limit(client_p, aconf);
548
549 if(ConfCurrUsers(aconf) > 0)
550 --ConfCurrUsers(aconf);
551
552 if(ConfMaxUsers(aconf) == -1 && ConfCurrUsers(aconf) == 0)
553 {
554 free_class(ClassPtr(aconf));
555 ClassPtr(aconf) = NULL;
556 }
557
558 }
559
560 aconf->clients--;
561 if(!aconf->clients && IsIllegal(aconf))
562 free_conf(aconf);
563
564 client_p->localClient->att_conf = NULL;
565 return 0;
566 }
567
568 return -1;
569 }
570
571 /*
572 * attach_conf
573 *
574 * inputs - client pointer
575 * - conf pointer
576 * output -
577 * side effects - Associate a specific configuration entry to a *local*
578 * client (this is the one which used in accepting the
579 * connection). Note, that this automatically changes the
580 * attachment if there was an old one...
581 */
582 int
583 attach_conf(struct Client *client_p, struct ConfItem *aconf)
584 {
585 if(IsIllegal(aconf))
586 return (NOT_AUTHORISED);
587
588 if(ClassPtr(aconf))
589 {
590 if(!add_ip_limit(client_p, aconf))
591 return (TOO_MANY_LOCAL);
592 }
593
594 if((aconf->status & CONF_CLIENT) &&
595 ConfCurrUsers(aconf) >= ConfMaxUsers(aconf) && ConfMaxUsers(aconf) > 0)
596 {
597 if(!IsConfExemptLimits(aconf))
598 {
599 return (I_LINE_FULL);
600 }
601 else
602 {
603 sendto_one_notice(client_p, ":*** I: line is full, but you have an >I: line!");
604 }
605
606 }
607
608 if(client_p->localClient->att_conf != NULL)
609 detach_conf(client_p);
610
611 client_p->localClient->att_conf = aconf;
612
613 aconf->clients++;
614 ConfCurrUsers(aconf)++;
615 return (0);
616 }
617
618 /*
619 * rehash
620 *
621 * Actual REHASH service routine. Called with sig == 0 if it has been called
622 * as a result of an operator issuing this command, else assume it has been
623 * called as a result of the server receiving a HUP signal.
624 */
625 int
626 rehash(int sig)
627 {
628 if(sig != 0)
629 {
630 sendto_realops_snomask(SNO_GENERAL, L_ALL,
631 "Got signal SIGHUP, reloading ircd conf. file");
632 }
633
634 restart_resolver();
635 /* don't close listeners until we know we can go ahead with the rehash */
636 read_conf_files(NO);
637
638 if(ServerInfo.description != NULL)
639 rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
640 else
641 rb_strlcpy(me.info, "unknown", sizeof(me.info));
642
643 open_logfiles();
644 return (0);
645 }
646
647 void
648 rehash_bans(int sig)
649 {
650 bandb_rehash_bans();
651 }
652
653 /*
654 * set_default_conf()
655 *
656 * inputs - NONE
657 * output - NONE
658 * side effects - Set default values here.
659 * This is called **PRIOR** to parsing the
660 * configuration file. If you want to do some validation
661 * of values later, put them in validate_conf().
662 */
663
664 #define YES 1
665 #define NO 0
666 #define UNSET -1
667
668 static void
669 set_default_conf(void)
670 {
671 /* ServerInfo.name is not rehashable */
672 /* ServerInfo.name = ServerInfo.name; */
673 ServerInfo.description = NULL;
674 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
675 ServerInfo.network_desc = rb_strdup(NETWORK_DESC_DEFAULT);
676
677 memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
678 ServerInfo.specific_ipv4_vhost = 0;
679 #ifdef RB_IPV6
680 memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
681 ServerInfo.specific_ipv6_vhost = 0;
682 #endif
683
684 /* Don't reset hub, as that will break lazylinks */
685 /* ServerInfo.hub = NO; */
686 AdminInfo.name = NULL;
687 AdminInfo.email = NULL;
688 AdminInfo.description = NULL;
689
690 ConfigFileEntry.default_operstring = rb_strdup("is an IRC operator");
691 ConfigFileEntry.default_adminstring = rb_strdup("is a Server Administrator");
692 ConfigFileEntry.servicestring = rb_strdup("is a Network Service");
693
694 ConfigFileEntry.default_umodes = UMODE_INVISIBLE;
695 ConfigFileEntry.failed_oper_notice = YES;
696 ConfigFileEntry.anti_nick_flood = NO;
697 ConfigFileEntry.disable_fake_channels = NO;
698 ConfigFileEntry.max_nick_time = 20;
699 ConfigFileEntry.max_nick_changes = 5;
700 ConfigFileEntry.max_accept = 20;
701 ConfigFileEntry.max_monitor = 60;
702 ConfigFileEntry.nick_delay = 900; /* 15 minutes */
703 ConfigFileEntry.target_change = YES;
704 ConfigFileEntry.anti_spam_exit_message_time = 0;
705 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
706 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
707 ConfigFileEntry.client_exit = YES;
708 ConfigFileEntry.dline_with_reason = YES;
709 ConfigFileEntry.kline_with_reason = YES;
710 ConfigFileEntry.kline_delay = 0;
711 ConfigFileEntry.warn_no_nline = YES;
712 ConfigFileEntry.non_redundant_klines = YES;
713 ConfigFileEntry.stats_e_disabled = NO;
714 ConfigFileEntry.stats_o_oper_only = NO;
715 ConfigFileEntry.stats_k_oper_only = 1; /* masked */
716 ConfigFileEntry.stats_i_oper_only = 1; /* masked */
717 ConfigFileEntry.stats_P_oper_only = NO;
718 ConfigFileEntry.stats_c_oper_only = NO;
719 ConfigFileEntry.stats_y_oper_only = NO;
720 ConfigFileEntry.stats_h_oper_only = NO;
721 ConfigFileEntry.map_oper_only = YES;
722 ConfigFileEntry.operspy_admin_only = NO;
723 ConfigFileEntry.pace_wait = 10;
724 ConfigFileEntry.caller_id_wait = 60;
725 ConfigFileEntry.pace_wait_simple = 1;
726 ConfigFileEntry.short_motd = NO;
727 ConfigFileEntry.no_oper_flood = NO;
728 ConfigFileEntry.fname_userlog = NULL;
729 ConfigFileEntry.fname_fuserlog = NULL;
730 ConfigFileEntry.fname_operlog = NULL;
731 ConfigFileEntry.fname_foperlog = NULL;
732 ConfigFileEntry.fname_serverlog = NULL;
733 ConfigFileEntry.fname_klinelog = NULL;
734 ConfigFileEntry.fname_operspylog = NULL;
735 ConfigFileEntry.fname_ioerrorlog = NULL;
736 ConfigFileEntry.use_egd = NO;
737 ConfigFileEntry.hide_spoof_ips = YES;
738 ConfigFileEntry.hide_error_messages = 1;
739 ConfigFileEntry.dots_in_ident = 0;
740 ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
741 ConfigFileEntry.egdpool_path = NULL;
742 ConfigFileEntry.use_whois_actually = YES;
743 ConfigFileEntry.burst_away = NO;
744 ConfigFileEntry.collision_fnc = YES;
745 ConfigFileEntry.global_snotices = YES;
746 ConfigFileEntry.operspy_dont_care_user_info = NO;
747 ConfigFileEntry.use_propagated_bans = YES;
748 ConfigFileEntry.max_ratelimit_tokens = 30;
749 ConfigFileEntry.away_interval = 30;
750
751 #ifdef HAVE_LIBZ
752 ConfigFileEntry.compression_level = 4;
753 #endif
754
755 ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE |
756 UMODE_OPERWALL | UMODE_WALLOP;
757 ConfigFileEntry.oper_only_umodes = UMODE_SERVNOTICE;
758 ConfigFileEntry.oper_snomask = SNO_GENERAL;
759
760 ConfigChannel.use_except = YES;
761 ConfigChannel.use_invex = YES;
762 ConfigChannel.use_forward = YES;
763 ConfigChannel.use_knock = YES;
764 ConfigChannel.knock_delay = 300;
765 ConfigChannel.knock_delay_channel = 60;
766 ConfigChannel.max_chans_per_user = 15;
767 ConfigChannel.max_bans = 25;
768 ConfigChannel.max_bans_large = 500;
769 ConfigChannel.only_ascii_channels = NO;
770 ConfigChannel.burst_topicwho = NO;
771 ConfigChannel.kick_on_split_riding = NO;
772
773 ConfigChannel.default_split_user_count = 15000;
774 ConfigChannel.default_split_server_count = 10;
775 ConfigChannel.no_join_on_split = NO;
776 ConfigChannel.no_create_on_split = YES;
777 ConfigChannel.resv_forcepart = YES;
778 ConfigChannel.channel_target_change = YES;
779 ConfigChannel.disable_local_channels = NO;
780
781 ConfigServerHide.flatten_links = 0;
782 ConfigServerHide.links_delay = 300;
783 ConfigServerHide.hidden = 0;
784 ConfigServerHide.disable_hidden = 0;
785
786 ConfigFileEntry.min_nonwildcard = 4;
787 ConfigFileEntry.min_nonwildcard_simple = 3;
788 ConfigFileEntry.default_floodcount = 8;
789 ConfigFileEntry.default_ident_timeout = 5;
790 ConfigFileEntry.tkline_expire_notices = 0;
791
792 ConfigFileEntry.reject_after_count = 5;
793 ConfigFileEntry.reject_ban_time = 300;
794 ConfigFileEntry.reject_duration = 120;
795 ConfigFileEntry.throttle_count = 4;
796 ConfigFileEntry.throttle_duration = 60;
797
798 ConfigFileEntry.client_flood_max_lines = CLIENT_FLOOD_DEFAULT;
799 ConfigFileEntry.client_flood_burst_rate = 5;
800 ConfigFileEntry.client_flood_burst_max = 5;
801 ConfigFileEntry.client_flood_message_time = 1;
802 ConfigFileEntry.client_flood_message_num = 2;
803
804 ServerInfo.default_max_clients = MAXCONNECTIONS;
805
806 ConfigFileEntry.nicklen = NICKLEN;
807
808 if (!alias_dict)
809 alias_dict = irc_dictionary_create(strcasecmp);
810 }
811
812 #undef YES
813 #undef NO
814
815 /*
816 * read_conf()
817 *
818 *
819 * inputs - file descriptor pointing to config file to use
820 * output - None
821 * side effects - Read configuration file.
822 */
823 static void
824 read_conf(FILE * file)
825 {
826 lineno = 0;
827
828 set_default_conf(); /* Set default values prior to conf parsing */
829 yyparse(); /* Load the values from the conf */
830 validate_conf(); /* Check to make sure some values are still okay. */
831 /* Some global values are also loaded here. */
832 check_class(); /* Make sure classes are valid */
833 privilegeset_delete_all_illegal();
834 construct_cflags_strings();
835 }
836
837 static void
838 validate_conf(void)
839 {
840 if(ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
841 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
842
843 if(ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
844 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
845
846 if(ServerInfo.network_name == NULL)
847 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
848
849 if(ServerInfo.network_desc == NULL)
850 ServerInfo.network_desc = rb_strdup(NETWORK_DESC_DEFAULT);
851
852 if(ServerInfo.ssld_count < 1)
853 ServerInfo.ssld_count = 1;
854
855 if(!rb_setup_ssl_server(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params))
856 {
857 ilog(L_MAIN, "WARNING: Unable to setup SSL.");
858 ssl_ok = 0;
859 } else {
860 ssl_ok = 1;
861 send_new_ssl_certs(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params);
862 }
863
864 if(ServerInfo.ssld_count > get_ssld_count())
865 {
866 int start = ServerInfo.ssld_count - get_ssld_count();
867 /* start up additional ssld if needed */
868 start_ssldaemon(start, ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params);
869
870 }
871
872 /* RFC 1459 says 1 message per 2 seconds on average and bursts of
873 * 5 messages are acceptable, so allow at least that.
874 */
875 if(ConfigFileEntry.client_flood_burst_rate < 5)
876 ConfigFileEntry.client_flood_burst_rate = 5;
877 if(ConfigFileEntry.client_flood_burst_max < 5)
878 ConfigFileEntry.client_flood_burst_max = 5;
879 if(ConfigFileEntry.client_flood_message_time >
880 ConfigFileEntry.client_flood_message_num * 2)
881 ConfigFileEntry.client_flood_message_time =
882 ConfigFileEntry.client_flood_message_num * 2;
883
884 if((ConfigFileEntry.client_flood_max_lines < CLIENT_FLOOD_MIN) ||
885 (ConfigFileEntry.client_flood_max_lines > CLIENT_FLOOD_MAX))
886 ConfigFileEntry.client_flood_max_lines = CLIENT_FLOOD_MAX;
887
888 if(!split_users || !split_servers ||
889 (!ConfigChannel.no_create_on_split && !ConfigChannel.no_join_on_split))
890 {
891 rb_event_delete(check_splitmode_ev);
892 check_splitmode_ev = NULL;
893 splitmode = 0;
894 splitchecking = 0;
895 }
896 }
897
898 /* add_temp_kline()
899 *
900 * inputs - pointer to struct ConfItem
901 * output - none
902 * Side effects - links in given struct ConfItem into
903 * temporary kline link list
904 */
905 void
906 add_temp_kline(struct ConfItem *aconf)
907 {
908 if(aconf->hold >= rb_current_time() + (10080 * 60))
909 {
910 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_WEEK]);
911 aconf->port = TEMP_WEEK;
912 }
913 else if(aconf->hold >= rb_current_time() + (1440 * 60))
914 {
915 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_DAY]);
916 aconf->port = TEMP_DAY;
917 }
918 else if(aconf->hold >= rb_current_time() + (60 * 60))
919 {
920 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_HOUR]);
921 aconf->port = TEMP_HOUR;
922 }
923 else
924 {
925 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_MIN]);
926 aconf->port = TEMP_MIN;
927 }
928
929 aconf->flags |= CONF_FLAGS_TEMPORARY;
930 add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);
931 }
932
933 /* add_temp_dline()
934 *
935 * input - pointer to struct ConfItem
936 * output - none
937 * side effects - added to tdline link list and address hash
938 */
939 void
940 add_temp_dline(struct ConfItem *aconf)
941 {
942 if(aconf->hold >= rb_current_time() + (10080 * 60))
943 {
944 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_WEEK]);
945 aconf->port = TEMP_WEEK;
946 }
947 else if(aconf->hold >= rb_current_time() + (1440 * 60))
948 {
949 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_DAY]);
950 aconf->port = TEMP_DAY;
951 }
952 else if(aconf->hold >= rb_current_time() + (60 * 60))
953 {
954 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_HOUR]);
955 aconf->port = TEMP_HOUR;
956 }
957 else
958 {
959 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_MIN]);
960 aconf->port = TEMP_MIN;
961 }
962
963 aconf->flags |= CONF_FLAGS_TEMPORARY;
964 add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, NULL, aconf);
965 }
966
967 /* valid_wild_card()
968 *
969 * input - user buffer, host buffer
970 * output - 0 if invalid, 1 if valid
971 * side effects -
972 */
973 int
974 valid_wild_card(const char *luser, const char *lhost)
975 {
976 const char *p;
977 char tmpch;
978 int nonwild = 0;
979 int bitlen;
980
981 /* user has no wildcards, always accept -- jilles */
982 if(!strchr(luser, '?') && !strchr(luser, '*'))
983 return 1;
984
985 /* check there are enough non wildcard chars */
986 p = luser;
987 while((tmpch = *p++))
988 {
989 if(!IsKWildChar(tmpch))
990 {
991 /* found enough chars, return */
992 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
993 return 1;
994 }
995 }
996
997 /* try host, as user didnt contain enough */
998 /* special case for cidr masks -- jilles */
999 if((p = strrchr(lhost, '/')) != NULL && IsDigit(p[1]))
1000 {
1001 bitlen = atoi(p + 1);
1002 /* much like non-cidr for ipv6, rather arbitrary for ipv4 */
1003 if(bitlen > 0
1004 && bitlen >=
1005 (strchr(lhost, ':') ? 4 * (ConfigFileEntry.min_nonwildcard - nonwild) : 6 -
1006 2 * nonwild))
1007 return 1;
1008 }
1009 else
1010 {
1011 p = lhost;
1012 while((tmpch = *p++))
1013 {
1014 if(!IsKWildChar(tmpch))
1015 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1016 return 1;
1017 }
1018 }
1019
1020 return 0;
1021 }
1022
1023 rb_dlink_node *
1024 find_prop_ban(unsigned int status, const char *user, const char *host)
1025 {
1026 rb_dlink_node *ptr;
1027 struct ConfItem *aconf;
1028
1029 RB_DLINK_FOREACH(ptr, prop_bans.head)
1030 {
1031 aconf = ptr->data;
1032
1033 if((aconf->status & ~CONF_ILLEGAL) == status &&
1034 (!user || !aconf->user ||
1035 !irccmp(aconf->user, user)) &&
1036 !irccmp(aconf->host, host))
1037 return ptr;
1038 }
1039 return NULL;
1040 }
1041
1042 void
1043 deactivate_conf(struct ConfItem *aconf, rb_dlink_node *ptr)
1044 {
1045 int i;
1046
1047 s_assert(ptr->data == aconf);
1048
1049 switch (aconf->status)
1050 {
1051 case CONF_KILL:
1052 if (aconf->lifetime == 0 &&
1053 aconf->flags & CONF_FLAGS_TEMPORARY)
1054 for (i = 0; i < LAST_TEMP_TYPE; i++)
1055 rb_dlinkFindDestroy(aconf, &temp_klines[i]);
1056 /* Make sure delete_one_address_conf() does not
1057 * free the aconf.
1058 */
1059 aconf->clients++;
1060 delete_one_address_conf(aconf->host, aconf);
1061 aconf->clients--;
1062 break;
1063 case CONF_DLINE:
1064 if (aconf->lifetime == 0 &&
1065 aconf->flags & CONF_FLAGS_TEMPORARY)
1066 for (i = 0; i < LAST_TEMP_TYPE; i++)
1067 rb_dlinkFindDestroy(aconf, &temp_dlines[i]);
1068 aconf->clients++;
1069 delete_one_address_conf(aconf->host, aconf);
1070 aconf->clients--;
1071 break;
1072 case CONF_XLINE:
1073 rb_dlinkFindDestroy(aconf, &xline_conf_list);
1074 break;
1075 case CONF_RESV_NICK:
1076 rb_dlinkFindDestroy(aconf, &resv_conf_list);
1077 break;
1078 case CONF_RESV_CHANNEL:
1079 del_from_resv_hash(aconf->host, aconf);
1080 break;
1081 }
1082 if (aconf->lifetime != 0 && rb_current_time() < aconf->lifetime)
1083 aconf->status |= CONF_ILLEGAL;
1084 else
1085 {
1086 if (aconf->lifetime != 0)
1087 rb_dlinkDestroy(ptr, &prop_bans);
1088 free_conf(aconf);
1089 }
1090 }
1091
1092 /* Given a new ban ConfItem, look for any matching ban, update the lifetime
1093 * from it and delete it.
1094 */
1095 void
1096 replace_old_ban(struct ConfItem *aconf)
1097 {
1098 rb_dlink_node *ptr;
1099 struct ConfItem *oldconf;
1100
1101 ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
1102 if(ptr != NULL)
1103 {
1104 oldconf = ptr->data;
1105 /* Remember at least as long as the old one. */
1106 if(oldconf->lifetime > aconf->lifetime)
1107 aconf->lifetime = oldconf->lifetime;
1108 /* Force creation time to increase. */
1109 if(oldconf->created >= aconf->created)
1110 aconf->created = oldconf->created + 1;
1111 /* Leave at least one second of validity. */
1112 if(aconf->hold <= aconf->created)
1113 aconf->hold = aconf->created + 1;
1114 if(aconf->lifetime < aconf->hold)
1115 aconf->lifetime = aconf->hold;
1116 /* Tell deactivate_conf() to destroy it. */
1117 oldconf->lifetime = rb_current_time();
1118 deactivate_conf(oldconf, ptr);
1119 }
1120 }
1121
1122 static void
1123 expire_prop_bans(void *list)
1124 {
1125 rb_dlink_node *ptr;
1126 rb_dlink_node *next_ptr;
1127 struct ConfItem *aconf;
1128
1129 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1130 {
1131 aconf = ptr->data;
1132
1133 if(aconf->lifetime <= rb_current_time() ||
1134 (aconf->hold <= rb_current_time() &&
1135 !(aconf->status & CONF_ILLEGAL)))
1136 {
1137 /* Alert opers that a TKline expired - Hwy */
1138 /* XXX show what type of ban it is */
1139 if(ConfigFileEntry.tkline_expire_notices &&
1140 !(aconf->status & CONF_ILLEGAL))
1141 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1142 "Propagated ban for [%s%s%s] expired",
1143 aconf->user ? aconf->user : "",
1144 aconf->user ? "@" : "",
1145 aconf->host ? aconf->host : "*");
1146
1147 /* will destroy or mark illegal */
1148 deactivate_conf(aconf, ptr);
1149 }
1150 }
1151 }
1152
1153 /* expire_tkline()
1154 *
1155 * inputs - list pointer
1156 * - type
1157 * output - NONE
1158 * side effects - expire tklines and moves them between lists
1159 */
1160 static void
1161 expire_temp_kd(void *list)
1162 {
1163 rb_dlink_node *ptr;
1164 rb_dlink_node *next_ptr;
1165 struct ConfItem *aconf;
1166
1167 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1168 {
1169 aconf = ptr->data;
1170
1171 if(aconf->hold <= rb_current_time())
1172 {
1173 /* Alert opers that a TKline expired - Hwy */
1174 if(ConfigFileEntry.tkline_expire_notices)
1175 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1176 "Temporary K-line for [%s@%s] expired",
1177 (aconf->user) ? aconf->
1178 user : "*", (aconf->host) ? aconf->host : "*");
1179
1180 delete_one_address_conf(aconf->host, aconf);
1181 rb_dlinkDestroy(ptr, list);
1182 }
1183 }
1184 }
1185
1186 static void
1187 reorganise_temp_kd(void *list)
1188 {
1189 struct ConfItem *aconf;
1190 rb_dlink_node *ptr, *next_ptr;
1191
1192 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1193 {
1194 aconf = ptr->data;
1195
1196 if(aconf->hold < (rb_current_time() + (60 * 60)))
1197 {
1198 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1199 &temp_klines[TEMP_MIN] : &temp_dlines[TEMP_MIN]);
1200 aconf->port = TEMP_MIN;
1201 }
1202 else if(aconf->port > TEMP_HOUR)
1203 {
1204 if(aconf->hold < (rb_current_time() + (1440 * 60)))
1205 {
1206 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1207 &temp_klines[TEMP_HOUR] : &temp_dlines[TEMP_HOUR]);
1208 aconf->port = TEMP_HOUR;
1209 }
1210 else if(aconf->port > TEMP_DAY &&
1211 (aconf->hold < (rb_current_time() + (10080 * 60))))
1212 {
1213 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1214 &temp_klines[TEMP_DAY] : &temp_dlines[TEMP_DAY]);
1215 aconf->port = TEMP_DAY;
1216 }
1217 }
1218 }
1219 }
1220
1221
1222 /* const char* get_oper_name(struct Client *client_p)
1223 * Input: A client to find the active oper{} name for.
1224 * Output: The nick!user@host{oper} of the oper.
1225 * "oper" is server name for remote opers
1226 * Side effects: None.
1227 */
1228 char *
1229 get_oper_name(struct Client *client_p)
1230 {
1231 /* +5 for !,@,{,} and null */
1232 static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1233
1234 if(MyOper(client_p))
1235 {
1236 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1237 client_p->name, client_p->username,
1238 client_p->host, client_p->localClient->opername);
1239 return buffer;
1240 }
1241
1242 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1243 client_p->name, client_p->username,
1244 client_p->host, client_p->servptr->name);
1245 return buffer;
1246 }
1247
1248 /*
1249 * get_printable_conf
1250 *
1251 * inputs - struct ConfItem
1252 *
1253 * output - name
1254 * - host
1255 * - pass
1256 * - user
1257 * - port
1258 *
1259 * side effects -
1260 * Examine the struct struct ConfItem, setting the values
1261 * of name, host, pass, user to values either
1262 * in aconf, or "<NULL>" port is set to aconf->port in all cases.
1263 */
1264 void
1265 get_printable_conf(struct ConfItem *aconf, char **name, char **host,
1266 char **pass, char **user, int *port, char **classname)
1267 {
1268 static char null[] = "<NULL>";
1269 static char zero[] = "default";
1270
1271 *name = EmptyString(aconf->info.name) ? null : aconf->info.name;
1272 *host = EmptyString(aconf->host) ? null : aconf->host;
1273 *pass = EmptyString(aconf->passwd) ? null : aconf->passwd;
1274 *user = EmptyString(aconf->user) ? null : aconf->user;
1275 *classname = EmptyString(aconf->className) ? zero : aconf->className;
1276 *port = (int) aconf->port;
1277 }
1278
1279 char *
1280 get_user_ban_reason(struct ConfItem *aconf)
1281 {
1282 static char reasonbuf[BUFSIZE];
1283
1284 if (aconf->flags & CONF_FLAGS_TEMPORARY &&
1285 (aconf->status == CONF_KILL || aconf->status == CONF_DLINE))
1286 rb_snprintf(reasonbuf, sizeof reasonbuf,
1287 "Temporary %c-line %d min. - ",
1288 aconf->status == CONF_DLINE ? 'D' : 'K',
1289 (int)((aconf->hold - aconf->created) / 60));
1290 else
1291 reasonbuf[0] = '\0';
1292 if (aconf->passwd)
1293 rb_strlcat(reasonbuf, aconf->passwd, sizeof reasonbuf);
1294 else
1295 rb_strlcat(reasonbuf, "No Reason", sizeof reasonbuf);
1296 if (aconf->created)
1297 {
1298 rb_strlcat(reasonbuf, " (", sizeof reasonbuf);
1299 rb_strlcat(reasonbuf, smalldate(aconf->created),
1300 sizeof reasonbuf);
1301 rb_strlcat(reasonbuf, ")", sizeof reasonbuf);
1302 }
1303 return reasonbuf;
1304 }
1305
1306 void
1307 get_printable_kline(struct Client *source_p, struct ConfItem *aconf,
1308 char **host, char **reason,
1309 char **user, char **oper_reason)
1310 {
1311 static char null[] = "<NULL>";
1312 static char operreasonbuf[BUFSIZE];
1313
1314 *host = EmptyString(aconf->host) ? null : aconf->host;
1315 *user = EmptyString(aconf->user) ? null : aconf->user;
1316 *reason = get_user_ban_reason(aconf);
1317
1318 if(!IsOper(source_p))
1319 *oper_reason = NULL;
1320 else
1321 {
1322 rb_snprintf(operreasonbuf, sizeof operreasonbuf, "%s%s(%s)",
1323 EmptyString(aconf->spasswd) ? "" : aconf->spasswd,
1324 EmptyString(aconf->spasswd) ? "" : " ",
1325 aconf->info.oper);
1326 *oper_reason = operreasonbuf;
1327 }
1328 }
1329
1330 /*
1331 * read_conf_files
1332 *
1333 * inputs - cold start YES or NO
1334 * output - none
1335 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1336 */
1337 void
1338 read_conf_files(int cold)
1339 {
1340 const char *filename;
1341
1342 conf_fbfile_in = NULL;
1343
1344 filename = ConfigFileEntry.configfile;
1345
1346 /* We need to know the initial filename for the yyerror() to report
1347 FIXME: The full path is in conffilenamebuf first time since we
1348 dont know anything else
1349
1350 - Gozem 2002-07-21
1351 */
1352 rb_strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1353
1354 if((conf_fbfile_in = fopen(filename, "r")) == NULL)
1355 {
1356 if(cold)
1357 {
1358 ilog(L_MAIN, "Failed in reading configuration file %s", filename);
1359 exit(-1);
1360 }
1361 else
1362 {
1363 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1364 "Can't open file '%s' - aborting rehash!", filename);
1365 return;
1366 }
1367 }
1368
1369 if(!cold)
1370 {
1371 clear_out_old_conf();
1372 }
1373
1374 read_conf(conf_fbfile_in);
1375 fclose(conf_fbfile_in);
1376 }
1377
1378 /*
1379 * free an alias{} entry.
1380 */
1381 static void
1382 free_alias_cb(struct DictionaryElement *ptr, void *unused)
1383 {
1384 struct alias_entry *aptr = ptr->data;
1385
1386 rb_free(aptr->name);
1387 rb_free(aptr->target);
1388 rb_free(aptr);
1389 }
1390
1391 /*
1392 * clear_out_old_conf
1393 *
1394 * inputs - none
1395 * output - none
1396 * side effects - Clear out the old configuration
1397 */
1398 static void
1399 clear_out_old_conf(void)
1400 {
1401 struct Class *cltmp;
1402 rb_dlink_node *ptr;
1403 rb_dlink_node *next_ptr;
1404
1405 /*
1406 * don't delete the class table, rather mark all entries
1407 * for deletion. The table is cleaned up by check_class. - avalon
1408 */
1409 RB_DLINK_FOREACH(ptr, class_list.head)
1410 {
1411 cltmp = ptr->data;
1412 MaxUsers(cltmp) = -1;
1413 }
1414
1415 clear_out_address_conf();
1416 clear_s_newconf();
1417
1418 /* clean out module paths */
1419 #ifndef STATIC_MODULES
1420 mod_clear_paths();
1421 mod_add_path(MODULE_DIR);
1422 mod_add_path(MODULE_DIR "/autoload");
1423 #endif
1424
1425 /* clean out ServerInfo */
1426 rb_free(ServerInfo.description);
1427 ServerInfo.description = NULL;
1428 rb_free(ServerInfo.network_name);
1429 ServerInfo.network_name = NULL;
1430 rb_free(ServerInfo.network_desc);
1431 ServerInfo.network_desc = NULL;
1432
1433 ServerInfo.ssld_count = 1;
1434
1435 /* clean out AdminInfo */
1436 rb_free(AdminInfo.name);
1437 AdminInfo.name = NULL;
1438 rb_free(AdminInfo.email);
1439 AdminInfo.email = NULL;
1440 rb_free(AdminInfo.description);
1441 AdminInfo.description = NULL;
1442
1443 /* operator{} and class{} blocks are freed above */
1444 /* clean out listeners */
1445 close_listeners();
1446
1447 /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, exempt{}
1448 * and gecos{} blocks are freed above too
1449 */
1450
1451 /* clean out general */
1452 rb_free(ConfigFileEntry.kline_reason);
1453 ConfigFileEntry.kline_reason = NULL;
1454
1455 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, service_list.head)
1456 {
1457 rb_free(ptr->data);
1458 rb_dlinkDestroy(ptr, &service_list);
1459 }
1460
1461 /* remove any aliases... -- nenolod */
1462 if (alias_dict != NULL)
1463 {
1464 irc_dictionary_destroy(alias_dict, free_alias_cb, NULL);
1465 alias_dict = NULL;
1466 }
1467
1468 destroy_blacklists();
1469
1470 privilegeset_mark_all_illegal();
1471
1472 /* OK, that should be everything... */
1473 }
1474
1475
1476 /*
1477 * conf_add_class_to_conf
1478 * inputs - pointer to config item
1479 * output - NONE
1480 * side effects - Add a class pointer to a conf
1481 */
1482
1483 void
1484 conf_add_class_to_conf(struct ConfItem *aconf)
1485 {
1486 if(aconf->className == NULL)
1487 {
1488 aconf->className = rb_strdup("default");
1489 ClassPtr(aconf) = default_class;
1490 return;
1491 }
1492
1493 ClassPtr(aconf) = find_class(aconf->className);
1494
1495 if(ClassPtr(aconf) == default_class)
1496 {
1497 if(aconf->status == CONF_CLIENT)
1498 {
1499 conf_report_error(
1500 "Using default class for missing class \"%s\" in auth{} for %s@%s",
1501 aconf->className, aconf->user, aconf->host);
1502 }
1503
1504 rb_free(aconf->className);
1505 aconf->className = rb_strdup("default");
1506 return;
1507 }
1508
1509 if(ConfMaxUsers(aconf) < 0)
1510 {
1511 ClassPtr(aconf) = default_class;
1512 rb_free(aconf->className);
1513 aconf->className = rb_strdup("default");
1514 return;
1515 }
1516 }
1517
1518 /*
1519 * conf_add_d_conf
1520 * inputs - pointer to config item
1521 * output - NONE
1522 * side effects - Add a d/D line
1523 */
1524 void
1525 conf_add_d_conf(struct ConfItem *aconf)
1526 {
1527 if(aconf->host == NULL)
1528 return;
1529
1530 aconf->user = NULL;
1531
1532 /* XXX - Should 'd' ever be in the old conf? For new conf we don't
1533 * need this anyway, so I will disable it for now... -A1kmm
1534 */
1535
1536 if(parse_netmask(aconf->host, NULL, NULL) == HM_HOST)
1537 {
1538 ilog(L_MAIN, "Invalid Dline %s ignored", aconf->host);
1539 free_conf(aconf);
1540 }
1541 else
1542 {
1543 add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);
1544 }
1545 }
1546
1547 static char *
1548 strip_tabs(char *dest, const char *src, size_t len)
1549 {
1550 char *d = dest;
1551
1552 if(dest == NULL || src == NULL)
1553 return NULL;
1554
1555 rb_strlcpy(dest, src, len);
1556
1557 while(*d)
1558 {
1559 if(*d == '\t')
1560 *d = ' ';
1561 d++;
1562 }
1563 return dest;
1564 }
1565
1566 /*
1567 * yyerror
1568 *
1569 * inputs - message from parser
1570 * output - none
1571 * side effects - message to opers and log file entry is made
1572 */
1573 void
1574 yyerror(const char *msg)
1575 {
1576 char newlinebuf[BUFSIZE];
1577
1578 strip_tabs(newlinebuf, linebuf, strlen(linebuf));
1579
1580 ierror("\"%s\", line %d: %s at '%s'", conffilebuf, lineno + 1, msg, newlinebuf);
1581 sendto_realops_snomask(SNO_GENERAL, L_ALL, "\"%s\", line %d: %s at '%s'",
1582 conffilebuf, lineno + 1, msg, newlinebuf);
1583
1584 }
1585
1586 int
1587 conf_fgets(char *lbuf, int max_size, FILE * fb)
1588 {
1589 if(fgets(lbuf, max_size, fb) == NULL)
1590 return (0);
1591
1592 return (strlen(lbuf));
1593 }
1594
1595 int
1596 conf_yy_fatal_error(const char *msg)
1597 {
1598 return (0);
1599 }
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