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