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[irc/rqf/shadowircd.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_user.h"
34 #include "s_stats.h"
35 #include "channel.h"
36 #include "class.h"
37 #include "client.h"
38 #include "common.h"
39 #include "hash.h"
40 #include "match.h"
41 #include "ircd.h"
42 #include "listener.h"
43 #include "hostmask.h"
44 #include "modules.h"
45 #include "numeric.h"
46 #include "logger.h"
47 #include "send.h"
48 #include "reject.h"
49 #include "cache.h"
50 #include "blacklist.h"
51 #include "privilege.h"
52 #include "sslproc.h"
53 #include "bandbi.h"
54 #include "operhash.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 = 0;
488
489 if(IsConfExemptLimits(aconf))
490 return (attach_conf(client_p, aconf));
491
492 if(*client_p->username == '~')
493 unidented = 1;
494
495
496 /* find_hostname() returns the head of the list to search */
497 RB_DLINK_FOREACH(ptr, find_hostname(client_p->host))
498 {
499 target_p = ptr->data;
500
501 if(irccmp(client_p->host, target_p->orighost) != 0)
502 continue;
503
504 if(MyConnect(target_p))
505 local_count++;
506
507 global_count++;
508
509 if(unidented)
510 {
511 if(*target_p->username == '~')
512 ident_count++;
513 }
514 else if(irccmp(target_p->username, client_p->username) == 0)
515 ident_count++;
516
517 if(ConfMaxLocal(aconf) && local_count >= ConfMaxLocal(aconf))
518 return (TOO_MANY_LOCAL);
519 else if(ConfMaxGlobal(aconf) && global_count >= ConfMaxGlobal(aconf))
520 return (TOO_MANY_GLOBAL);
521 else if(ConfMaxIdent(aconf) && ident_count >= ConfMaxIdent(aconf))
522 return (TOO_MANY_IDENT);
523 }
524
525
526 return (attach_conf(client_p, aconf));
527 }
528
529 /*
530 * detach_conf
531 *
532 * inputs - pointer to client to detach
533 * output - 0 for success, -1 for failure
534 * side effects - Disassociate configuration from the client.
535 * Also removes a class from the list if marked for deleting.
536 */
537 int
538 detach_conf(struct Client *client_p)
539 {
540 struct ConfItem *aconf;
541
542 aconf = client_p->localClient->att_conf;
543
544 if(aconf != NULL)
545 {
546 if(ClassPtr(aconf))
547 {
548 remove_ip_limit(client_p, aconf);
549
550 if(ConfCurrUsers(aconf) > 0)
551 --ConfCurrUsers(aconf);
552
553 if(ConfMaxUsers(aconf) == -1 && ConfCurrUsers(aconf) == 0)
554 {
555 free_class(ClassPtr(aconf));
556 ClassPtr(aconf) = NULL;
557 }
558
559 }
560
561 aconf->clients--;
562 if(!aconf->clients && IsIllegal(aconf))
563 free_conf(aconf);
564
565 client_p->localClient->att_conf = NULL;
566 return 0;
567 }
568
569 return -1;
570 }
571
572 /*
573 * attach_conf
574 *
575 * inputs - client pointer
576 * - conf pointer
577 * output -
578 * side effects - Associate a specific configuration entry to a *local*
579 * client (this is the one which used in accepting the
580 * connection). Note, that this automatically changes the
581 * attachment if there was an old one...
582 */
583 int
584 attach_conf(struct Client *client_p, struct ConfItem *aconf)
585 {
586 if(IsIllegal(aconf))
587 return (NOT_AUTHORISED);
588
589 if(ClassPtr(aconf))
590 {
591 if(!add_ip_limit(client_p, aconf))
592 return (TOO_MANY_LOCAL);
593 }
594
595 if((aconf->status & CONF_CLIENT) &&
596 ConfCurrUsers(aconf) >= ConfMaxUsers(aconf) && ConfMaxUsers(aconf) > 0)
597 {
598 if(!IsConfExemptLimits(aconf))
599 {
600 return (I_LINE_FULL);
601 }
602 else
603 {
604 sendto_one_notice(client_p, ":*** I: line is full, but you have an >I: line!");
605 }
606
607 }
608
609 if(client_p->localClient->att_conf != NULL)
610 detach_conf(client_p);
611
612 client_p->localClient->att_conf = aconf;
613
614 aconf->clients++;
615 ConfCurrUsers(aconf)++;
616 return (0);
617 }
618
619 /*
620 * rehash
621 *
622 * Actual REHASH service routine. Called with sig == 0 if it has been called
623 * as a result of an operator issuing this command, else assume it has been
624 * called as a result of the server receiving a HUP signal.
625 */
626 int
627 rehash(int sig)
628 {
629 if(sig != 0)
630 {
631 sendto_realops_snomask(SNO_GENERAL, L_ALL,
632 "Got signal SIGHUP, reloading ircd conf. file");
633 }
634
635 restart_resolver();
636 /* don't close listeners until we know we can go ahead with the rehash */
637 read_conf_files(NO);
638
639 if(ServerInfo.description != NULL)
640 rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
641 else
642 rb_strlcpy(me.info, "unknown", sizeof(me.info));
643
644 open_logfiles();
645 return (0);
646 }
647
648 void
649 rehash_bans(int sig)
650 {
651 bandb_rehash_bans();
652 }
653
654 /*
655 * set_default_conf()
656 *
657 * inputs - NONE
658 * output - NONE
659 * side effects - Set default values here.
660 * This is called **PRIOR** to parsing the
661 * configuration file. If you want to do some validation
662 * of values later, put them in validate_conf().
663 */
664
665 #define YES 1
666 #define NO 0
667 #define UNSET -1
668
669 static void
670 set_default_conf(void)
671 {
672 /* ServerInfo.name is not rehashable */
673 /* ServerInfo.name = ServerInfo.name; */
674 ServerInfo.description = NULL;
675 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
676 ServerInfo.network_desc = rb_strdup(NETWORK_DESC_DEFAULT);
677 ServerInfo.helpchan = rb_strdup("");
678 ServerInfo.helpurl = rb_strdup("");
679
680 memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
681 ServerInfo.specific_ipv4_vhost = 0;
682 #ifdef RB_IPV6
683 memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
684 ServerInfo.specific_ipv6_vhost = 0;
685 #endif
686
687 /* Don't reset hub, as that will break lazylinks */
688 /* ServerInfo.hub = NO; */
689 AdminInfo.name = NULL;
690 AdminInfo.email = NULL;
691 AdminInfo.description = NULL;
692
693 ConfigFileEntry.default_operstring = rb_strdup("is an IRC operator");
694 ConfigFileEntry.default_adminstring = rb_strdup("is a Server Administrator");
695 ConfigFileEntry.default_operhost = rb_strdup("");
696 ConfigFileEntry.static_quit = rb_strdup("");
697 ConfigFileEntry.servicestring = rb_strdup("is a Network Service");
698
699 ConfigFileEntry.default_umodes = UMODE_INVISIBLE;
700 ConfigFileEntry.failed_oper_notice = YES;
701 ConfigFileEntry.anti_nick_flood = NO;
702 ConfigFileEntry.disable_fake_channels = NO;
703 ConfigFileEntry.max_nick_time = 20;
704 ConfigFileEntry.max_nick_changes = 5;
705 ConfigFileEntry.max_accept = 20;
706 ConfigFileEntry.max_monitor = 60;
707 ConfigFileEntry.nick_delay = 900; /* 15 minutes */
708 ConfigFileEntry.target_change = YES;
709 ConfigFileEntry.anti_spam_exit_message_time = 0;
710 ConfigFileEntry.use_part_messages = YES;
711 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
712 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
713 ConfigFileEntry.client_exit = YES;
714 ConfigFileEntry.dline_with_reason = YES;
715 ConfigFileEntry.kline_with_reason = YES;
716 ConfigFileEntry.kline_delay = 0;
717 ConfigFileEntry.warn_no_nline = YES;
718 ConfigFileEntry.non_redundant_klines = YES;
719 ConfigFileEntry.stats_e_disabled = NO;
720 ConfigFileEntry.stats_o_oper_only = NO;
721 ConfigFileEntry.stats_k_oper_only = 1; /* masked */
722 ConfigFileEntry.stats_i_oper_only = 1; /* masked */
723 ConfigFileEntry.stats_P_oper_only = NO;
724 ConfigFileEntry.stats_c_oper_only = NO;
725 ConfigFileEntry.stats_y_oper_only = NO;
726 ConfigFileEntry.stats_h_oper_only = NO;
727 ConfigFileEntry.map_oper_only = YES;
728 ConfigFileEntry.operspy_admin_only = NO;
729 ConfigFileEntry.pace_wait = 10;
730 ConfigFileEntry.caller_id_wait = 60;
731 ConfigFileEntry.pace_wait_simple = 1;
732 ConfigFileEntry.short_motd = NO;
733 ConfigFileEntry.no_oper_flood = NO;
734 ConfigFileEntry.true_no_oper_flood = NO;
735 ConfigFileEntry.fname_userlog = NULL;
736 ConfigFileEntry.fname_fuserlog = NULL;
737 ConfigFileEntry.fname_operlog = NULL;
738 ConfigFileEntry.fname_foperlog = NULL;
739 ConfigFileEntry.fname_serverlog = NULL;
740 ConfigFileEntry.fname_klinelog = NULL;
741 ConfigFileEntry.fname_operspylog = NULL;
742 ConfigFileEntry.fname_ioerrorlog = NULL;
743 ConfigFileEntry.use_egd = NO;
744 ConfigFileEntry.hide_spoof_ips = YES;
745 ConfigFileEntry.hide_error_messages = 1;
746 ConfigFileEntry.dots_in_ident = 0;
747 ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
748 ConfigFileEntry.egdpool_path = NULL;
749 ConfigFileEntry.use_whois_actually = YES;
750 ConfigFileEntry.burst_away = NO;
751 ConfigFileEntry.collision_fnc = YES;
752 ConfigFileEntry.global_snotices = YES;
753 ConfigFileEntry.operspy_dont_care_user_info = NO;
754 ConfigFileEntry.use_propagated_bans = YES;
755 ConfigFileEntry.secret_channels_in_whois = NO;
756
757 #ifdef HAVE_LIBZ
758 ConfigFileEntry.compression_level = 4;
759 #endif
760
761 ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE |
762 UMODE_OPERWALL | UMODE_WALLOP;
763 ConfigFileEntry.oper_only_umodes = UMODE_SERVNOTICE;
764 ConfigFileEntry.oper_snomask = SNO_GENERAL;
765
766 ConfigChannel.autochanmodes = rb_strdup("nt");
767 ConfigChannel.exemptchanops = rb_strdup("");
768 ConfigChannel.use_halfop = YES;
769 ConfigChannel.use_admin = YES;
770 ConfigChannel.use_except = YES;
771 ConfigChannel.use_invex = YES;
772 ConfigChannel.use_knock = YES;
773 ConfigChannel.use_forward = YES;
774 ConfigChannel.use_local_channels = YES;
775 ConfigChannel.knock_delay = 300;
776 ConfigChannel.knock_delay_channel = 60;
777 ConfigChannel.max_chans_per_user = 15;
778 ConfigChannel.max_bans = 25;
779 ConfigChannel.max_bans_large = 500;
780 ConfigChannel.only_ascii_channels = NO;
781 ConfigChannel.cycle_host_change = YES;
782 ConfigChannel.host_in_topic = YES;
783 ConfigChannel.burst_topicwho = NO;
784 ConfigChannel.kick_on_split_riding = NO;
785
786 ConfigChannel.default_split_user_count = 15000;
787 ConfigChannel.default_split_server_count = 10;
788 ConfigChannel.no_join_on_split = NO;
789 ConfigChannel.no_create_on_split = YES;
790 ConfigChannel.resv_forcepart = YES;
791 ConfigChannel.kick_no_rejoin_time = 30;
792
793 ConfigChannel.exempt_cmode_c = NO;
794 ConfigChannel.exempt_cmode_C = NO;
795 ConfigChannel.exempt_cmode_D = NO;
796 ConfigChannel.exempt_cmode_T = NO;
797 ConfigChannel.exempt_cmode_N = NO;
798 ConfigChannel.exempt_cmode_G = NO;
799 ConfigChannel.exempt_cmode_K = NO;
800
801 ConfigServerHide.flatten_links = 0;
802 ConfigServerHide.links_delay = 300;
803 ConfigServerHide.hidden = 0;
804 ConfigServerHide.disable_hidden = 0;
805
806 ConfigFileEntry.min_nonwildcard = 4;
807 ConfigFileEntry.min_nonwildcard_simple = 3;
808 ConfigFileEntry.default_floodcount = 8;
809 ConfigFileEntry.default_ident_timeout = 5;
810 ConfigFileEntry.client_flood = CLIENT_FLOOD_DEFAULT;
811 ConfigFileEntry.tkline_expire_notices = 0;
812
813 ConfigFileEntry.reject_after_count = 5;
814 ConfigFileEntry.reject_ban_time = 300;
815 ConfigFileEntry.reject_duration = 120;
816 ConfigFileEntry.throttle_count = 4;
817 ConfigFileEntry.throttle_duration = 60;
818 ConfigFileEntry.expire_override_time = 300;
819
820 ServerInfo.default_max_clients = MAXCONNECTIONS;
821
822 if (!alias_dict)
823 alias_dict = irc_dictionary_create(strcasecmp);
824 }
825
826 #undef YES
827 #undef NO
828
829 /*
830 * read_conf()
831 *
832 *
833 * inputs - file descriptor pointing to config file to use
834 * output - None
835 * side effects - Read configuration file.
836 */
837 static void
838 read_conf(FILE * file)
839 {
840 lineno = 0;
841
842 set_default_conf(); /* Set default values prior to conf parsing */
843 yyparse(); /* Load the values from the conf */
844 validate_conf(); /* Check to make sure some values are still okay. */
845 /* Some global values are also loaded here. */
846 check_class(); /* Make sure classes are valid */
847 privilegeset_delete_all_illegal();
848 }
849
850 static void
851 validate_conf(void)
852 {
853 if(ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
854 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
855
856 if(ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
857 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
858
859 if(ServerInfo.network_name == NULL)
860 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
861
862 if(ServerInfo.network_desc == NULL)
863 ServerInfo.network_desc = rb_strdup(NETWORK_DESC_DEFAULT);
864
865 if(ServerInfo.ssld_count < 1)
866 ServerInfo.ssld_count = 1;
867
868 if(!rb_setup_ssl_server(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params))
869 {
870 ilog(L_MAIN, "WARNING: Unable to setup SSL.");
871 ssl_ok = 0;
872 } else {
873 ssl_ok = 1;
874 send_new_ssl_certs(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params);
875 }
876
877 if(ServerInfo.ssld_count > get_ssld_count())
878 {
879 int start = ServerInfo.ssld_count - get_ssld_count();
880 /* start up additional ssld if needed */
881 start_ssldaemon(start, ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params);
882
883 }
884
885 if((ConfigFileEntry.client_flood < CLIENT_FLOOD_MIN) ||
886 (ConfigFileEntry.client_flood > CLIENT_FLOOD_MAX))
887 ConfigFileEntry.client_flood = CLIENT_FLOOD_MAX;
888
889 if(!split_users || !split_servers ||
890 (!ConfigChannel.no_create_on_split && !ConfigChannel.no_join_on_split))
891 {
892 rb_event_delete(check_splitmode_ev);
893 check_splitmode_ev = NULL;
894 splitmode = 0;
895 splitchecking = 0;
896 }
897
898 if(!valid_hostname(ConfigFileEntry.default_operhost))
899 {
900 conf_report_error("Warning -- invalid default_operhost specified, ignoring.");
901 ConfigFileEntry.default_operhost = rb_strdup("");
902 }
903
904 /* Parse the exemptchanops option and set the internal variables
905 * that we will use. */
906 char * ech;
907
908 for(ech = ConfigChannel.exemptchanops; *ech; ech++)
909 {
910 if(*ech == 'c')
911 {
912 ConfigChannel.exempt_cmode_c = 1;
913 continue;
914 }
915 if(*ech == 'C')
916 {
917 ConfigChannel.exempt_cmode_C = 1;
918 continue;
919 }
920 if(*ech == 'D')
921 {
922 ConfigChannel.exempt_cmode_D = 1;
923 continue;
924 }
925 if(*ech == 'T')
926 {
927 ConfigChannel.exempt_cmode_T = 1;
928 continue;
929 }
930 if(*ech == 'N')
931 {
932 ConfigChannel.exempt_cmode_N = 1;
933 continue;
934 }
935 if(*ech == 'G')
936 {
937 ConfigChannel.exempt_cmode_G = 1;
938 continue;
939 }
940 if(*ech == 'K')
941 ConfigChannel.exempt_cmode_K = 1;
942 }
943 }
944
945 /* add_temp_kline()
946 *
947 * inputs - pointer to struct ConfItem
948 * output - none
949 * Side effects - links in given struct ConfItem into
950 * temporary kline link list
951 */
952 void
953 add_temp_kline(struct ConfItem *aconf)
954 {
955 if(aconf->hold >= rb_current_time() + (10080 * 60))
956 {
957 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_WEEK]);
958 aconf->port = TEMP_WEEK;
959 }
960 else if(aconf->hold >= rb_current_time() + (1440 * 60))
961 {
962 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_DAY]);
963 aconf->port = TEMP_DAY;
964 }
965 else if(aconf->hold >= rb_current_time() + (60 * 60))
966 {
967 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_HOUR]);
968 aconf->port = TEMP_HOUR;
969 }
970 else
971 {
972 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_MIN]);
973 aconf->port = TEMP_MIN;
974 }
975
976 aconf->flags |= CONF_FLAGS_TEMPORARY;
977 add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);
978 }
979
980 /* add_temp_dline()
981 *
982 * input - pointer to struct ConfItem
983 * output - none
984 * side effects - added to tdline link list and address hash
985 */
986 void
987 add_temp_dline(struct ConfItem *aconf)
988 {
989 if(aconf->hold >= rb_current_time() + (10080 * 60))
990 {
991 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_WEEK]);
992 aconf->port = TEMP_WEEK;
993 }
994 else if(aconf->hold >= rb_current_time() + (1440 * 60))
995 {
996 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_DAY]);
997 aconf->port = TEMP_DAY;
998 }
999 else if(aconf->hold >= rb_current_time() + (60 * 60))
1000 {
1001 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_HOUR]);
1002 aconf->port = TEMP_HOUR;
1003 }
1004 else
1005 {
1006 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_MIN]);
1007 aconf->port = TEMP_MIN;
1008 }
1009
1010 aconf->flags |= CONF_FLAGS_TEMPORARY;
1011 add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, NULL, aconf);
1012 }
1013
1014 /* valid_wild_card()
1015 *
1016 * input - user buffer, host buffer
1017 * output - 0 if invalid, 1 if valid
1018 * side effects -
1019 */
1020 int
1021 valid_wild_card(const char *luser, const char *lhost)
1022 {
1023 const char *p;
1024 char tmpch;
1025 int nonwild = 0;
1026 int bitlen;
1027
1028 /* user has no wildcards, always accept -- jilles */
1029 if(!strchr(luser, '?') && !strchr(luser, '*'))
1030 return 1;
1031
1032 /* check there are enough non wildcard chars */
1033 p = luser;
1034 while((tmpch = *p++))
1035 {
1036 if(!IsKWildChar(tmpch))
1037 {
1038 /* found enough chars, return */
1039 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1040 return 1;
1041 }
1042 }
1043
1044 /* try host, as user didnt contain enough */
1045 /* special case for cidr masks -- jilles */
1046 if((p = strrchr(lhost, '/')) != NULL && IsDigit(p[1]))
1047 {
1048 bitlen = atoi(p + 1);
1049 /* much like non-cidr for ipv6, rather arbitrary for ipv4 */
1050 if(bitlen > 0
1051 && bitlen >=
1052 (strchr(lhost, ':') ? 4 * (ConfigFileEntry.min_nonwildcard - nonwild) : 6 -
1053 2 * nonwild))
1054 return 1;
1055 }
1056 else
1057 {
1058 p = lhost;
1059 while((tmpch = *p++))
1060 {
1061 if(!IsKWildChar(tmpch))
1062 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1063 return 1;
1064 }
1065 }
1066
1067 return 0;
1068 }
1069
1070 rb_dlink_node *
1071 find_prop_ban(unsigned int status, const char *user, const char *host)
1072 {
1073 rb_dlink_node *ptr;
1074 struct ConfItem *aconf;
1075
1076 RB_DLINK_FOREACH(ptr, prop_bans.head)
1077 {
1078 aconf = ptr->data;
1079
1080 if((aconf->status & ~CONF_ILLEGAL) == status &&
1081 (!user || !aconf->user ||
1082 !irccmp(aconf->user, user)) &&
1083 !irccmp(aconf->host, host))
1084 return ptr;
1085 }
1086 return NULL;
1087 }
1088
1089 void
1090 deactivate_conf(struct ConfItem *aconf, rb_dlink_node *ptr)
1091 {
1092 int i;
1093
1094 s_assert(ptr->data == aconf);
1095
1096 switch (aconf->status)
1097 {
1098 case CONF_KILL:
1099 if (aconf->lifetime == 0 &&
1100 aconf->flags & CONF_FLAGS_TEMPORARY)
1101 for (i = 0; i < LAST_TEMP_TYPE; i++)
1102 rb_dlinkFindDestroy(aconf, &temp_klines[i]);
1103 /* Make sure delete_one_address_conf() does not
1104 * free the aconf.
1105 */
1106 aconf->clients++;
1107 delete_one_address_conf(aconf->host, aconf);
1108 aconf->clients--;
1109 break;
1110 case CONF_DLINE:
1111 if (aconf->lifetime == 0 &&
1112 aconf->flags & CONF_FLAGS_TEMPORARY)
1113 for (i = 0; i < LAST_TEMP_TYPE; i++)
1114 rb_dlinkFindDestroy(aconf, &temp_dlines[i]);
1115 aconf->clients++;
1116 delete_one_address_conf(aconf->host, aconf);
1117 aconf->clients--;
1118 break;
1119 case CONF_XLINE:
1120 rb_dlinkFindDestroy(aconf, &xline_conf_list);
1121 break;
1122 case CONF_RESV_NICK:
1123 rb_dlinkFindDestroy(aconf, &resv_conf_list);
1124 break;
1125 case CONF_RESV_CHANNEL:
1126 del_from_resv_hash(aconf->host, aconf);
1127 break;
1128 }
1129 if (aconf->lifetime != 0 && rb_current_time() < aconf->lifetime)
1130 aconf->status |= CONF_ILLEGAL;
1131 else
1132 {
1133 if (aconf->lifetime != 0)
1134 rb_dlinkDestroy(ptr, &prop_bans);
1135 free_conf(aconf);
1136 }
1137 }
1138
1139 /* Given a new ban ConfItem, look for any matching ban, update the lifetime
1140 * from it and delete it.
1141 */
1142 void
1143 replace_old_ban(struct ConfItem *aconf)
1144 {
1145 rb_dlink_node *ptr;
1146 struct ConfItem *oldconf;
1147
1148 ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
1149 if(ptr != NULL)
1150 {
1151 oldconf = ptr->data;
1152 /* Remember at least as long as the old one. */
1153 if(oldconf->lifetime > aconf->lifetime)
1154 aconf->lifetime = oldconf->lifetime;
1155 /* Force creation time to increase. */
1156 if(oldconf->created >= aconf->created)
1157 aconf->created = oldconf->created + 1;
1158 /* Leave at least one second of validity. */
1159 if(aconf->hold <= aconf->created)
1160 aconf->hold = aconf->created + 1;
1161 if(aconf->lifetime < aconf->hold)
1162 aconf->lifetime = aconf->hold;
1163 /* Tell deactivate_conf() to destroy it. */
1164 oldconf->lifetime = rb_current_time();
1165 deactivate_conf(oldconf, ptr);
1166 }
1167 }
1168
1169 static void
1170 expire_prop_bans(void *list)
1171 {
1172 rb_dlink_node *ptr;
1173 rb_dlink_node *next_ptr;
1174 struct ConfItem *aconf;
1175
1176 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1177 {
1178 aconf = ptr->data;
1179
1180 if(aconf->lifetime <= rb_current_time() ||
1181 (aconf->hold <= rb_current_time() &&
1182 !(aconf->status & CONF_ILLEGAL)))
1183 {
1184 /* Alert opers that a TKline expired - Hwy */
1185 /* XXX show what type of ban it is */
1186 if(ConfigFileEntry.tkline_expire_notices &&
1187 !(aconf->status & CONF_ILLEGAL))
1188 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1189 "Propagated ban for [%s%s%s] expired",
1190 aconf->user ? aconf->user : "",
1191 aconf->user ? "@" : "",
1192 aconf->host ? aconf->host : "*");
1193
1194 /* will destroy or mark illegal */
1195 deactivate_conf(aconf, ptr);
1196 }
1197 }
1198 }
1199
1200 /* expire_tkline()
1201 *
1202 * inputs - list pointer
1203 * - type
1204 * output - NONE
1205 * side effects - expire tklines and moves them between lists
1206 */
1207 static void
1208 expire_temp_kd(void *list)
1209 {
1210 rb_dlink_node *ptr;
1211 rb_dlink_node *next_ptr;
1212 struct ConfItem *aconf;
1213
1214 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1215 {
1216 aconf = ptr->data;
1217
1218 if(aconf->hold <= rb_current_time())
1219 {
1220 /* Alert opers that a TKline expired - Hwy */
1221 if(ConfigFileEntry.tkline_expire_notices)
1222 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1223 "Temporary K-line for [%s@%s] expired",
1224 (aconf->user) ? aconf->
1225 user : "*", (aconf->host) ? aconf->host : "*");
1226
1227 delete_one_address_conf(aconf->host, aconf);
1228 rb_dlinkDestroy(ptr, list);
1229 }
1230 }
1231 }
1232
1233 static void
1234 reorganise_temp_kd(void *list)
1235 {
1236 struct ConfItem *aconf;
1237 rb_dlink_node *ptr, *next_ptr;
1238
1239 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1240 {
1241 aconf = ptr->data;
1242
1243 if(aconf->hold < (rb_current_time() + (60 * 60)))
1244 {
1245 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1246 &temp_klines[TEMP_MIN] : &temp_dlines[TEMP_MIN]);
1247 aconf->port = TEMP_MIN;
1248 }
1249 else if(aconf->port > TEMP_HOUR)
1250 {
1251 if(aconf->hold < (rb_current_time() + (1440 * 60)))
1252 {
1253 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1254 &temp_klines[TEMP_HOUR] : &temp_dlines[TEMP_HOUR]);
1255 aconf->port = TEMP_HOUR;
1256 }
1257 else if(aconf->port > TEMP_DAY &&
1258 (aconf->hold < (rb_current_time() + (10080 * 60))))
1259 {
1260 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1261 &temp_klines[TEMP_DAY] : &temp_dlines[TEMP_DAY]);
1262 aconf->port = TEMP_DAY;
1263 }
1264 }
1265 }
1266 }
1267
1268
1269 /* const char* get_oper_name(struct Client *client_p)
1270 * Input: A client to find the active oper{} name for.
1271 * Output: The nick!user@host{oper} of the oper.
1272 * "oper" is server name for remote opers
1273 * Side effects: None.
1274 */
1275 char *
1276 get_oper_name(struct Client *client_p)
1277 {
1278 /* +5 for !,@,{,} and null */
1279 static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1280
1281 if(MyOper(client_p))
1282 {
1283 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1284 client_p->name, client_p->username,
1285 client_p->host, client_p->localClient->opername);
1286 return buffer;
1287 }
1288
1289 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1290 client_p->name, client_p->username,
1291 client_p->host, client_p->servptr->name);
1292 return buffer;
1293 }
1294
1295 /*
1296 * get_printable_conf
1297 *
1298 * inputs - struct ConfItem
1299 *
1300 * output - name
1301 * - host
1302 * - pass
1303 * - user
1304 * - port
1305 *
1306 * side effects -
1307 * Examine the struct struct ConfItem, setting the values
1308 * of name, host, pass, user to values either
1309 * in aconf, or "<NULL>" port is set to aconf->port in all cases.
1310 */
1311 void
1312 get_printable_conf(struct ConfItem *aconf, char **name, char **host,
1313 char **pass, char **user, int *port, char **classname)
1314 {
1315 static char null[] = "<NULL>";
1316 static char zero[] = "default";
1317
1318 *name = EmptyString(aconf->info.name) ? null : aconf->info.name;
1319 *host = EmptyString(aconf->host) ? null : aconf->host;
1320 *pass = EmptyString(aconf->passwd) ? null : aconf->passwd;
1321 *user = EmptyString(aconf->user) ? null : aconf->user;
1322 *classname = EmptyString(aconf->className) ? zero : aconf->className;
1323 *port = (int) aconf->port;
1324 }
1325
1326 char *
1327 get_user_ban_reason(struct ConfItem *aconf)
1328 {
1329 static char reasonbuf[BUFSIZE];
1330
1331 if (aconf->flags & CONF_FLAGS_TEMPORARY &&
1332 (aconf->status == CONF_KILL || aconf->status == CONF_DLINE))
1333 rb_snprintf(reasonbuf, sizeof reasonbuf,
1334 "Temporary %c-line %d min. - ",
1335 aconf->status == CONF_DLINE ? 'D' : 'K',
1336 (int)((aconf->hold - aconf->created) / 60));
1337 else
1338 reasonbuf[0] = '\0';
1339 if (aconf->passwd)
1340 rb_strlcat(reasonbuf, aconf->passwd, sizeof reasonbuf);
1341 else
1342 rb_strlcat(reasonbuf, "No Reason", sizeof reasonbuf);
1343 if (aconf->created)
1344 {
1345 rb_strlcat(reasonbuf, " (", sizeof reasonbuf);
1346 rb_strlcat(reasonbuf, smalldate(aconf->created),
1347 sizeof reasonbuf);
1348 rb_strlcat(reasonbuf, ")", sizeof reasonbuf);
1349 }
1350 return reasonbuf;
1351 }
1352
1353 void
1354 get_printable_kline(struct Client *source_p, struct ConfItem *aconf,
1355 char **host, char **reason,
1356 char **user, char **oper_reason)
1357 {
1358 static char null[] = "<NULL>";
1359 static char operreasonbuf[BUFSIZE];
1360
1361 *host = EmptyString(aconf->host) ? null : aconf->host;
1362 *user = EmptyString(aconf->user) ? null : aconf->user;
1363 *reason = get_user_ban_reason(aconf);
1364
1365 if(!IsOper(source_p))
1366 *oper_reason = NULL;
1367 else
1368 {
1369 rb_snprintf(operreasonbuf, sizeof operreasonbuf, "%s%s(%s)",
1370 EmptyString(aconf->spasswd) ? "" : aconf->spasswd,
1371 EmptyString(aconf->spasswd) ? "" : " ",
1372 aconf->info.oper);
1373 *oper_reason = operreasonbuf;
1374 }
1375 }
1376
1377 /*
1378 * read_conf_files
1379 *
1380 * inputs - cold start YES or NO
1381 * output - none
1382 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1383 */
1384 void
1385 read_conf_files(int cold)
1386 {
1387 const char *filename;
1388
1389 conf_fbfile_in = NULL;
1390
1391 filename = ConfigFileEntry.configfile;
1392
1393 /* We need to know the initial filename for the yyerror() to report
1394 FIXME: The full path is in conffilenamebuf first time since we
1395 dont know anything else
1396
1397 - Gozem 2002-07-21
1398 */
1399 rb_strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1400
1401 if((conf_fbfile_in = fopen(filename, "r")) == NULL)
1402 {
1403 if(cold)
1404 {
1405 ilog(L_MAIN, "Failed in reading configuration file %s", filename);
1406 exit(-1);
1407 }
1408 else
1409 {
1410 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1411 "Can't open file '%s' - aborting rehash!", filename);
1412 return;
1413 }
1414 }
1415
1416 if(!cold)
1417 {
1418 clear_out_old_conf();
1419 }
1420
1421 read_conf(conf_fbfile_in);
1422 fclose(conf_fbfile_in);
1423 }
1424
1425 /*
1426 * free an alias{} entry.
1427 */
1428 static void
1429 free_alias_cb(struct DictionaryElement *ptr, void *unused)
1430 {
1431 struct alias_entry *aptr = ptr->data;
1432
1433 rb_free(aptr->name);
1434 rb_free(aptr->target);
1435 rb_free(aptr);
1436 }
1437
1438 /*
1439 * clear_out_old_conf
1440 *
1441 * inputs - none
1442 * output - none
1443 * side effects - Clear out the old configuration
1444 */
1445 static void
1446 clear_out_old_conf(void)
1447 {
1448 struct Class *cltmp;
1449 rb_dlink_node *ptr;
1450 rb_dlink_node *next_ptr;
1451
1452 /*
1453 * don't delete the class table, rather mark all entries
1454 * for deletion. The table is cleaned up by check_class. - avalon
1455 */
1456 RB_DLINK_FOREACH(ptr, class_list.head)
1457 {
1458 cltmp = ptr->data;
1459 MaxUsers(cltmp) = -1;
1460 }
1461
1462 clear_out_address_conf();
1463 clear_s_newconf();
1464
1465 /* clean out module paths */
1466 #ifndef STATIC_MODULES
1467 mod_clear_paths();
1468 mod_add_path(MODULE_DIR);
1469 mod_add_path(MODULE_DIR "/autoload");
1470 #endif
1471
1472 /* clean out ServerInfo */
1473 rb_free(ServerInfo.description);
1474 ServerInfo.description = NULL;
1475 rb_free(ServerInfo.network_name);
1476 ServerInfo.network_name = NULL;
1477 rb_free(ServerInfo.network_desc);
1478 ServerInfo.network_desc = NULL;
1479 rb_free(ServerInfo.helpchan);
1480 ServerInfo.helpchan = NULL;
1481 rb_free(ServerInfo.helpurl);
1482 ServerInfo.helpurl = NULL;
1483
1484 ServerInfo.ssld_count = 1;
1485
1486 /* clean out AdminInfo */
1487 rb_free(AdminInfo.name);
1488 AdminInfo.name = NULL;
1489 rb_free(AdminInfo.email);
1490 AdminInfo.email = NULL;
1491 rb_free(AdminInfo.description);
1492 AdminInfo.description = NULL;
1493
1494 /* operator{} and class{} blocks are freed above */
1495 /* clean out listeners */
1496 close_listeners();
1497
1498 /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, exempt{}
1499 * and gecos{} blocks are freed above too
1500 */
1501
1502 /* clean out general */
1503 rb_free(ConfigFileEntry.kline_reason);
1504 ConfigFileEntry.kline_reason = NULL;
1505
1506 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, service_list.head)
1507 {
1508 rb_free(ptr->data);
1509 rb_dlinkDestroy(ptr, &service_list);
1510 }
1511
1512 /* remove any aliases... -- nenolod */
1513 if (alias_dict != NULL)
1514 {
1515 irc_dictionary_destroy(alias_dict, free_alias_cb, NULL);
1516 alias_dict = NULL;
1517 }
1518
1519 destroy_blacklists();
1520
1521 privilegeset_mark_all_illegal();
1522
1523 /* OK, that should be everything... */
1524 }
1525
1526
1527 /*
1528 * conf_add_class_to_conf
1529 * inputs - pointer to config item
1530 * output - NONE
1531 * side effects - Add a class pointer to a conf
1532 */
1533
1534 void
1535 conf_add_class_to_conf(struct ConfItem *aconf)
1536 {
1537 if(aconf->className == NULL)
1538 {
1539 aconf->className = rb_strdup("default");
1540 ClassPtr(aconf) = default_class;
1541 return;
1542 }
1543
1544 ClassPtr(aconf) = find_class(aconf->className);
1545
1546 if(ClassPtr(aconf) == default_class)
1547 {
1548 if(aconf->status == CONF_CLIENT)
1549 {
1550 conf_report_error(
1551 "Using default class for missing class \"%s\" in auth{} for %s@%s",
1552 aconf->className, aconf->user, aconf->host);
1553 }
1554
1555 rb_free(aconf->className);
1556 aconf->className = rb_strdup("default");
1557 return;
1558 }
1559
1560 if(ConfMaxUsers(aconf) < 0)
1561 {
1562 ClassPtr(aconf) = default_class;
1563 rb_free(aconf->className);
1564 aconf->className = rb_strdup("default");
1565 return;
1566 }
1567 }
1568
1569 /*
1570 * conf_add_d_conf
1571 * inputs - pointer to config item
1572 * output - NONE
1573 * side effects - Add a d/D line
1574 */
1575 void
1576 conf_add_d_conf(struct ConfItem *aconf)
1577 {
1578 if(aconf->host == NULL)
1579 return;
1580
1581 aconf->user = NULL;
1582
1583 /* XXX - Should 'd' ever be in the old conf? For new conf we don't
1584 * need this anyway, so I will disable it for now... -A1kmm
1585 */
1586
1587 if(parse_netmask(aconf->host, NULL, NULL) == HM_HOST)
1588 {
1589 ilog(L_MAIN, "Invalid Dline %s ignored", aconf->host);
1590 free_conf(aconf);
1591 }
1592 else
1593 {
1594 add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);
1595 }
1596 }
1597
1598 static char *
1599 strip_tabs(char *dest, const char *src, size_t len)
1600 {
1601 char *d = dest;
1602
1603 if(dest == NULL || src == NULL)
1604 return NULL;
1605
1606 rb_strlcpy(dest, src, len);
1607
1608 while(*d)
1609 {
1610 if(*d == '\t')
1611 *d = ' ';
1612 d++;
1613 }
1614 return dest;
1615 }
1616
1617 /*
1618 * yyerror
1619 *
1620 * inputs - message from parser
1621 * output - none
1622 * side effects - message to opers and log file entry is made
1623 */
1624 void
1625 yyerror(const char *msg)
1626 {
1627 char newlinebuf[BUFSIZE];
1628
1629 strip_tabs(newlinebuf, linebuf, strlen(linebuf));
1630
1631 ierror("\"%s\", line %d: %s at '%s'", conffilebuf, lineno + 1, msg, newlinebuf);
1632 sendto_realops_snomask(SNO_GENERAL, L_ALL, "\"%s\", line %d: %s at '%s'",
1633 conffilebuf, lineno + 1, msg, newlinebuf);
1634
1635 }
1636
1637 int
1638 conf_fgets(char *lbuf, int max_size, FILE * fb)
1639 {
1640 char *buff;
1641
1642 if((buff = fgets(lbuf, max_size, fb)) == NULL)
1643 return (0);
1644
1645 return (strlen(lbuf));
1646 }
1647
1648 int
1649 conf_yy_fatal_error(const char *msg)
1650 {
1651 return (0);
1652 }
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