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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 */
25
26 #include "stdinc.h"
27 #include "ircd_defs.h"
28 #include "s_conf.h"
29 #include "s_newconf.h"
30 #include "newconf.h"
31 #include "s_serv.h"
32 #include "s_user.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
55 struct config_server_hide ConfigServerHide;
56
57 extern int yyparse(void); /* defined in y.tab.c */
58 extern char linebuf[];
59
60 #ifndef INADDR_NONE
61 #define INADDR_NONE ((unsigned int) 0xffffffff)
62 #endif
63
64 static rb_bh *confitem_heap = NULL;
65
66 rb_dlink_list prop_bans;
67
68 rb_dlink_list temp_klines[LAST_TEMP_TYPE];
69 rb_dlink_list temp_dlines[LAST_TEMP_TYPE];
70 rb_dlink_list service_list;
71
72 /* internally defined functions */
73 static void set_default_conf(void);
74 static void validate_conf(void);
75 static void read_conf(FILE *);
76 static void clear_out_old_conf(void);
77
78 static void expire_prop_bans(void *list);
79 static void expire_temp_kd(void *list);
80 static void reorganise_temp_kd(void *list);
81
82 FILE *conf_fbfile_in;
83 extern char yytext[];
84
85 static int verify_access(struct Client *client_p, const char *username);
86 static int attach_iline(struct Client *, struct ConfItem *);
87
88 void
89 init_s_conf(void)
90 {
91 confitem_heap = rb_bh_create(sizeof(struct ConfItem), CONFITEM_HEAP_SIZE, "confitem_heap");
92
93 rb_event_addish("expire_prop_bans", expire_prop_bans, &prop_bans, 60);
94
95 rb_event_addish("expire_temp_klines", expire_temp_kd, &temp_klines[TEMP_MIN], 60);
96 rb_event_addish("expire_temp_dlines", expire_temp_kd, &temp_dlines[TEMP_MIN], 60);
97
98 rb_event_addish("expire_temp_klines_hour", reorganise_temp_kd,
99 &temp_klines[TEMP_HOUR], 3600);
100 rb_event_addish("expire_temp_dlines_hour", reorganise_temp_kd,
101 &temp_dlines[TEMP_HOUR], 3600);
102 rb_event_addish("expire_temp_klines_day", reorganise_temp_kd,
103 &temp_klines[TEMP_DAY], 86400);
104 rb_event_addish("expire_temp_dlines_day", reorganise_temp_kd,
105 &temp_dlines[TEMP_DAY], 86400);
106 rb_event_addish("expire_temp_klines_week", reorganise_temp_kd,
107 &temp_klines[TEMP_WEEK], 604800);
108 rb_event_addish("expire_temp_dlines_week", reorganise_temp_kd,
109 &temp_dlines[TEMP_WEEK], 604800);
110 }
111
112 /*
113 * make_conf
114 *
115 * inputs - none
116 * output - pointer to new conf entry
117 * side effects - none
118 */
119 struct ConfItem *
120 make_conf()
121 {
122 struct ConfItem *aconf;
123
124 aconf = rb_bh_alloc(confitem_heap);
125 aconf->status = CONF_ILLEGAL;
126 return (aconf);
127 }
128
129 /*
130 * free_conf
131 *
132 * inputs - pointer to conf to free
133 * output - none
134 * side effects - crucial password fields are zeroed, conf is freed
135 */
136 void
137 free_conf(struct ConfItem *aconf)
138 {
139 s_assert(aconf != NULL);
140 if(aconf == NULL)
141 return;
142
143 /* security.. */
144 if(aconf->passwd)
145 memset(aconf->passwd, 0, strlen(aconf->passwd));
146 if(aconf->spasswd)
147 memset(aconf->spasswd, 0, strlen(aconf->spasswd));
148
149 rb_free(aconf->passwd);
150 rb_free(aconf->spasswd);
151 rb_free(aconf->className);
152 rb_free(aconf->user);
153 rb_free(aconf->host);
154
155 if(IsConfBan(aconf))
156 operhash_delete(aconf->info.oper);
157 else
158 rb_free(aconf->info.name);
159
160 rb_bh_free(confitem_heap, aconf);
161 }
162
163 /*
164 * check_client
165 *
166 * inputs - pointer to client
167 * output - 0 = Success
168 * NOT_AUTHORISED (-1) = Access denied (no I line match)
169 * SOCKET_ERROR (-2) = Bad socket.
170 * I_LINE_FULL (-3) = I-line is full
171 * TOO_MANY (-4) = Too many connections from hostname
172 * BANNED_CLIENT (-5) = K-lined
173 * side effects - Ordinary client access check.
174 * Look for conf lines which have the same
175 * status as the flags passed.
176 */
177 int
178 check_client(struct Client *client_p, struct Client *source_p, const char *username)
179 {
180 int i;
181
182 if((i = verify_access(source_p, username)))
183 {
184 ilog(L_FUSER, "Access denied: %s[%s]",
185 source_p->name, source_p->sockhost);
186 }
187
188 switch (i)
189 {
190 case SOCKET_ERROR:
191 exit_client(client_p, source_p, &me, "Socket Error");
192 break;
193
194 case TOO_MANY_LOCAL:
195 /* Note that these notices are sent to opers on other
196 * servers also, so even if local opers are allowed to
197 * see the IP, we still cannot send it.
198 */
199 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
200 "Too many local connections for %s!%s%s@%s",
201 source_p->name, IsGotId(source_p) ? "" : "~",
202 source_p->username,
203 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
204
205 ilog(L_FUSER, "Too many local connections from %s!%s%s@%s",
206 source_p->name, IsGotId(source_p) ? "" : "~",
207 source_p->username, source_p->sockhost);
208
209 ServerStats.is_ref++;
210 exit_client(client_p, source_p, &me, "Too many host connections (local)");
211 break;
212
213 case TOO_MANY_GLOBAL:
214 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
215 "Too many global connections for %s!%s%s@%s",
216 source_p->name, IsGotId(source_p) ? "" : "~",
217 source_p->username,
218 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
219 ilog(L_FUSER, "Too many global connections from %s!%s%s@%s",
220 source_p->name, IsGotId(source_p) ? "" : "~",
221 source_p->username, source_p->sockhost);
222
223 ServerStats.is_ref++;
224 exit_client(client_p, source_p, &me, "Too many host connections (global)");
225 break;
226
227 case TOO_MANY_IDENT:
228 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
229 "Too many user connections for %s!%s%s@%s",
230 source_p->name, IsGotId(source_p) ? "" : "~",
231 source_p->username,
232 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
233 ilog(L_FUSER, "Too many user connections from %s!%s%s@%s",
234 source_p->name, IsGotId(source_p) ? "" : "~",
235 source_p->username, source_p->sockhost);
236
237 ServerStats.is_ref++;
238 exit_client(client_p, source_p, &me, "Too many user connections (global)");
239 break;
240
241 case I_LINE_FULL:
242 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
243 "I-line is full for %s!%s%s@%s (%s).",
244 source_p->name, IsGotId(source_p) ? "" : "~",
245 source_p->username, source_p->host,
246 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : "255.255.255.255");
247
248 ilog(L_FUSER, "Too many connections from %s!%s%s@%s.",
249 source_p->name, IsGotId(source_p) ? "" : "~",
250 source_p->username, source_p->sockhost);
251
252 ServerStats.is_ref++;
253 exit_client(client_p, source_p, &me,
254 "No more connections allowed in your connection class");
255 break;
256
257 case NOT_AUTHORISED:
258 {
259 int port = -1;
260 #ifdef RB_IPV6
261 if(source_p->localClient->ip.ss_family == AF_INET6)
262 port = ntohs(((struct sockaddr_in6 *)&source_p->localClient->listener->addr)->sin6_port);
263 else
264 #endif
265 port = ntohs(((struct sockaddr_in *)&source_p->localClient->listener->addr)->sin_port);
266
267 ServerStats.is_ref++;
268 /* jdc - lists server name & port connections are on */
269 /* a purely cosmetical change */
270 /* why ipaddr, and not just source_p->sockhost? --fl */
271 #if 0
272 static char ipaddr[HOSTIPLEN];
273 rb_inet_ntop_sock(&source_p->localClient->ip, ipaddr, sizeof(ipaddr));
274 #endif
275 sendto_realops_snomask(SNO_UNAUTH, L_ALL,
276 "Unauthorised client connection from "
277 "%s!%s%s@%s [%s] on [%s/%u].",
278 source_p->name, IsGotId(source_p) ? "" : "~",
279 source_p->username, source_p->host,
280 source_p->sockhost,
281 source_p->localClient->listener->name, port);
282
283 ilog(L_FUSER,
284 "Unauthorised client connection from %s!%s%s@%s on [%s/%u].",
285 source_p->name, IsGotId(source_p) ? "" : "~",
286 source_p->username, source_p->sockhost,
287 source_p->localClient->listener->name, port);
288 add_reject(client_p, NULL, NULL);
289 exit_client(client_p, source_p, &me,
290 "You are not authorised to use this server");
291 break;
292 }
293 case BANNED_CLIENT:
294 exit_client(client_p, client_p, &me, "*** Banned ");
295 ServerStats.is_ref++;
296 break;
297
298 case 0:
299 default:
300 break;
301 }
302 return (i);
303 }
304
305 /*
306 * verify_access
307 *
308 * inputs - pointer to client to verify
309 * - pointer to proposed username
310 * output - 0 if success -'ve if not
311 * side effect - find the first (best) I line to attach.
312 */
313 static int
314 verify_access(struct Client *client_p, const char *username)
315 {
316 struct ConfItem *aconf;
317 char non_ident[USERLEN + 1];
318
319 if(IsGotId(client_p))
320 {
321 aconf = find_address_conf(client_p->host, client_p->sockhost,
322 client_p->username, client_p->username,
323 (struct sockaddr *) &client_p->localClient->ip,
324 client_p->localClient->ip.ss_family,
325 client_p->localClient->auth_user);
326 }
327 else
328 {
329 rb_strlcpy(non_ident, "~", sizeof(non_ident));
330 rb_strlcat(non_ident, username, sizeof(non_ident));
331 aconf = find_address_conf(client_p->host, client_p->sockhost,
332 non_ident, client_p->username,
333 (struct sockaddr *) &client_p->localClient->ip,
334 client_p->localClient->ip.ss_family,
335 client_p->localClient->auth_user);
336 }
337
338 if(aconf == NULL)
339 return NOT_AUTHORISED;
340
341 if(aconf->status & CONF_CLIENT)
342 {
343 if(aconf->flags & CONF_FLAGS_REDIR)
344 {
345 sendto_one_numeric(client_p, RPL_REDIR, form_str(RPL_REDIR),
346 aconf->info.name ? aconf->info.name : "", aconf->port);
347 return (NOT_AUTHORISED);
348 }
349
350 /* Thanks for spoof idea amm */
351 if(IsConfDoSpoofIp(aconf))
352 {
353 char *p;
354
355 /* show_ip() depends on this --fl */
356 SetIPSpoof(client_p);
357
358 if(IsConfSpoofNotice(aconf))
359 {
360 sendto_realops_snomask(SNO_GENERAL, L_ALL,
361 "%s spoofing: %s as %s",
362 client_p->name,
363 show_ip(NULL, client_p) ? client_p->host : aconf->info.name,
364 aconf->info.name);
365 }
366
367 /* user@host spoof */
368 if((p = strchr(aconf->info.name, '@')) != NULL)
369 {
370 char *host = p+1;
371 *p = '\0';
372
373 rb_strlcpy(client_p->username, aconf->info.name,
374 sizeof(client_p->username));
375 rb_strlcpy(client_p->host, host,
376 sizeof(client_p->host));
377 *p = '@';
378 }
379 else
380 rb_strlcpy(client_p->host, aconf->info.name, sizeof(client_p->host));
381 }
382 return (attach_iline(client_p, aconf));
383 }
384 else if(aconf->status & CONF_KILL)
385 {
386 if(ConfigFileEntry.kline_with_reason)
387 sendto_one(client_p,
388 form_str(ERR_YOUREBANNEDCREEP),
389 me.name, client_p->name,
390 get_user_ban_reason(aconf));
391 add_reject(client_p, aconf->user, aconf->host);
392 return (BANNED_CLIENT);
393 }
394
395 return NOT_AUTHORISED;
396 }
397
398
399 /*
400 * add_ip_limit
401 *
402 * Returns 1 if successful 0 if not
403 *
404 * This checks if the user has exceed the limits for their class
405 * unless of course they are exempt..
406 */
407
408 static int
409 add_ip_limit(struct Client *client_p, struct ConfItem *aconf)
410 {
411 rb_patricia_node_t *pnode;
412 int bitlen;
413
414 /* If the limits are 0 don't do anything.. */
415 if(ConfCidrAmount(aconf) == 0
416 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
417 return -1;
418
419 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
420
421 if(GET_SS_FAMILY(&client_p->localClient->ip) == AF_INET)
422 bitlen = ConfCidrIpv4Bitlen(aconf);
423 else
424 bitlen = ConfCidrIpv6Bitlen(aconf);
425
426 if(pnode == NULL)
427 pnode = make_and_lookup_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip, bitlen);
428
429 s_assert(pnode != NULL);
430
431 if(pnode != NULL)
432 {
433 if(((intptr_t)pnode->data) >= ConfCidrAmount(aconf) && !IsConfExemptLimits(aconf))
434 {
435 /* This should only happen if the limits are set to 0 */
436 if((intptr_t)pnode->data == 0)
437 {
438 rb_patricia_remove(ConfIpLimits(aconf), pnode);
439 }
440 return (0);
441 }
442
443 pnode->data = (void *)(((intptr_t)pnode->data) + 1);
444 }
445 return 1;
446 }
447
448 static void
449 remove_ip_limit(struct Client *client_p, struct ConfItem *aconf)
450 {
451 rb_patricia_node_t *pnode;
452
453 /* If the limits are 0 don't do anything.. */
454 if(ConfCidrAmount(aconf) == 0
455 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
456 return;
457
458 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
459 if(pnode == NULL)
460 return;
461
462 pnode->data = (void *)(((intptr_t)pnode->data) - 1);
463 if(((intptr_t)pnode->data) == 0)
464 {
465 rb_patricia_remove(ConfIpLimits(aconf), pnode);
466 }
467
468 }
469
470 /*
471 * attach_iline
472 *
473 * inputs - client pointer
474 * - conf pointer
475 * output -
476 * side effects - do actual attach
477 */
478 static int
479 attach_iline(struct Client *client_p, struct ConfItem *aconf)
480 {
481 struct Client *target_p;
482 rb_dlink_node *ptr;
483 int local_count = 0;
484 int global_count = 0;
485 int ident_count = 0;
486 int unidented;
487
488 if(IsConfExemptLimits(aconf))
489 return (attach_conf(client_p, aconf));
490
491 unidented = !IsGotId(client_p) && !IsNoTilde(aconf) &&
492 (!IsConfDoSpoofIp(aconf) || !strchr(aconf->info.name, '@'));
493
494 /* find_hostname() returns the head of the list to search */
495 RB_DLINK_FOREACH(ptr, find_hostname(client_p->host))
496 {
497 target_p = ptr->data;
498
499 if(irccmp(client_p->host, target_p->orighost) != 0)
500 continue;
501
502 if(MyConnect(target_p))
503 local_count++;
504
505 global_count++;
506
507 if(unidented)
508 {
509 if(*target_p->username == '~')
510 ident_count++;
511 }
512 else if(irccmp(target_p->username, client_p->username) == 0)
513 ident_count++;
514
515 if(ConfMaxLocal(aconf) && local_count >= ConfMaxLocal(aconf))
516 return (TOO_MANY_LOCAL);
517 else if(ConfMaxGlobal(aconf) && global_count >= ConfMaxGlobal(aconf))
518 return (TOO_MANY_GLOBAL);
519 else if(ConfMaxIdent(aconf) && ident_count >= ConfMaxIdent(aconf))
520 return (TOO_MANY_IDENT);
521 }
522
523
524 return (attach_conf(client_p, aconf));
525 }
526
527 /*
528 * detach_conf
529 *
530 * inputs - pointer to client to detach
531 * output - 0 for success, -1 for failure
532 * side effects - Disassociate configuration from the client.
533 * Also removes a class from the list if marked for deleting.
534 */
535 int
536 detach_conf(struct Client *client_p)
537 {
538 struct ConfItem *aconf;
539
540 aconf = client_p->localClient->att_conf;
541
542 if(aconf != NULL)
543 {
544 if(ClassPtr(aconf))
545 {
546 remove_ip_limit(client_p, aconf);
547
548 if(ConfCurrUsers(aconf) > 0)
549 --ConfCurrUsers(aconf);
550
551 if(ConfMaxUsers(aconf) == -1 && ConfCurrUsers(aconf) == 0)
552 {
553 free_class(ClassPtr(aconf));
554 ClassPtr(aconf) = NULL;
555 }
556
557 }
558
559 aconf->clients--;
560 if(!aconf->clients && IsIllegal(aconf))
561 free_conf(aconf);
562
563 client_p->localClient->att_conf = NULL;
564 return 0;
565 }
566
567 return -1;
568 }
569
570 /*
571 * attach_conf
572 *
573 * inputs - client pointer
574 * - conf pointer
575 * output -
576 * side effects - Associate a specific configuration entry to a *local*
577 * client (this is the one which used in accepting the
578 * connection). Note, that this automatically changes the
579 * attachment if there was an old one...
580 */
581 int
582 attach_conf(struct Client *client_p, struct ConfItem *aconf)
583 {
584 if(IsIllegal(aconf))
585 return (NOT_AUTHORISED);
586
587 if(ClassPtr(aconf))
588 {
589 if(!add_ip_limit(client_p, aconf))
590 return (TOO_MANY_LOCAL);
591 }
592
593 if((aconf->status & CONF_CLIENT) &&
594 ConfCurrUsers(aconf) >= ConfMaxUsers(aconf) && ConfMaxUsers(aconf) > 0)
595 {
596 if(!IsConfExemptLimits(aconf))
597 {
598 return (I_LINE_FULL);
599 }
600 else
601 {
602 sendto_one_notice(client_p, ":*** I: line is full, but you have an >I: line!");
603 }
604
605 }
606
607 if(client_p->localClient->att_conf != NULL)
608 detach_conf(client_p);
609
610 client_p->localClient->att_conf = aconf;
611
612 aconf->clients++;
613 ConfCurrUsers(aconf)++;
614 return (0);
615 }
616
617 /*
618 * rehash
619 *
620 * Actual REHASH service routine. Called with sig == 0 if it has been called
621 * as a result of an operator issuing this command, else assume it has been
622 * called as a result of the server receiving a HUP signal.
623 */
624 int
625 rehash(int sig)
626 {
627 if(sig != 0)
628 {
629 sendto_realops_snomask(SNO_GENERAL, L_ALL,
630 "Got signal SIGHUP, reloading ircd conf. file");
631 }
632
633 restart_resolver();
634 /* don't close listeners until we know we can go ahead with the rehash */
635 read_conf_files(NO);
636
637 if(ServerInfo.description != NULL)
638 rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
639 else
640 rb_strlcpy(me.info, "unknown", sizeof(me.info));
641
642 open_logfiles();
643 return (0);
644 }
645
646 void
647 rehash_bans(int sig)
648 {
649 bandb_rehash_bans();
650 }
651
652 /*
653 * set_default_conf()
654 *
655 * inputs - NONE
656 * output - NONE
657 * side effects - Set default values here.
658 * This is called **PRIOR** to parsing the
659 * configuration file. If you want to do some validation
660 * of values later, put them in validate_conf().
661 */
662
663 #define YES 1
664 #define NO 0
665 #define UNSET -1
666
667 static void
668 set_default_conf(void)
669 {
670 /* ServerInfo.name is not rehashable */
671 /* ServerInfo.name = ServerInfo.name; */
672 ServerInfo.description = NULL;
673 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
674 ServerInfo.network_desc = rb_strdup(NETWORK_DESC_DEFAULT);
675 ServerInfo.helpchan = rb_strdup("");
676 ServerInfo.helpurl = rb_strdup("");
677
678 memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
679 ServerInfo.specific_ipv4_vhost = 0;
680 #ifdef RB_IPV6
681 memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
682 ServerInfo.specific_ipv6_vhost = 0;
683 #endif
684
685 /* Don't reset hub, as that will break lazylinks */
686 /* ServerInfo.hub = NO; */
687 AdminInfo.name = NULL;
688 AdminInfo.email = NULL;
689 AdminInfo.description = NULL;
690
691 ConfigFileEntry.default_operstring = rb_strdup("is an IRC operator");
692 ConfigFileEntry.default_adminstring = rb_strdup("is a Server Administrator");
693 ConfigFileEntry.default_operhost = rb_strdup("");
694 ConfigFileEntry.static_quit = rb_strdup("");
695 ConfigFileEntry.servicestring = rb_strdup("is a Network Service");
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.use_part_messages = YES;
709 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
710 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
711 ConfigFileEntry.client_exit = YES;
712 ConfigFileEntry.dline_with_reason = YES;
713 ConfigFileEntry.kline_with_reason = YES;
714 ConfigFileEntry.kline_delay = 0;
715 ConfigFileEntry.warn_no_nline = YES;
716 ConfigFileEntry.non_redundant_klines = YES;
717 ConfigFileEntry.stats_e_disabled = NO;
718 ConfigFileEntry.stats_o_oper_only = NO;
719 ConfigFileEntry.stats_k_oper_only = 1; /* masked */
720 ConfigFileEntry.stats_i_oper_only = 1; /* masked */
721 ConfigFileEntry.stats_P_oper_only = NO;
722 ConfigFileEntry.stats_c_oper_only = NO;
723 ConfigFileEntry.stats_y_oper_only = NO;
724 ConfigFileEntry.stats_h_oper_only = NO;
725 ConfigFileEntry.map_oper_only = YES;
726 ConfigFileEntry.operspy_admin_only = NO;
727 ConfigFileEntry.pace_wait = 10;
728 ConfigFileEntry.caller_id_wait = 60;
729 ConfigFileEntry.pace_wait_simple = 1;
730 ConfigFileEntry.short_motd = NO;
731 ConfigFileEntry.no_oper_flood = NO;
732 ConfigFileEntry.true_no_oper_flood = NO;
733 ConfigFileEntry.fname_userlog = NULL;
734 ConfigFileEntry.fname_fuserlog = NULL;
735 ConfigFileEntry.fname_operlog = NULL;
736 ConfigFileEntry.fname_foperlog = NULL;
737 ConfigFileEntry.fname_serverlog = NULL;
738 ConfigFileEntry.fname_klinelog = NULL;
739 ConfigFileEntry.fname_operspylog = NULL;
740 ConfigFileEntry.fname_ioerrorlog = NULL;
741 ConfigFileEntry.use_egd = NO;
742 ConfigFileEntry.hide_spoof_ips = YES;
743 ConfigFileEntry.hide_error_messages = 1;
744 ConfigFileEntry.dots_in_ident = 0;
745 ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
746 ConfigFileEntry.egdpool_path = NULL;
747 ConfigFileEntry.use_whois_actually = YES;
748 ConfigFileEntry.burst_away = NO;
749 ConfigFileEntry.collision_fnc = YES;
750 ConfigFileEntry.global_snotices = YES;
751 ConfigFileEntry.operspy_dont_care_user_info = NO;
752 ConfigFileEntry.use_propagated_bans = YES;
753 ConfigFileEntry.secret_channels_in_whois = NO;
754
755 #ifdef HAVE_LIBZ
756 ConfigFileEntry.compression_level = 4;
757 #endif
758
759 ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE |
760 UMODE_OPERWALL | UMODE_WALLOP;
761 ConfigFileEntry.oper_only_umodes = UMODE_SERVNOTICE;
762 ConfigFileEntry.oper_snomask = SNO_GENERAL;
763
764 ConfigChannel.autochanmodes = rb_strdup("nt");
765 ConfigChannel.exemptchanops = rb_strdup("");
766 ConfigChannel.use_halfop = YES;
767 ConfigChannel.use_admin = YES;
768 ConfigChannel.use_except = YES;
769 ConfigChannel.use_invex = YES;
770 ConfigChannel.use_knock = YES;
771 ConfigChannel.use_forward = YES;
772 ConfigChannel.use_local_channels = YES;
773 ConfigChannel.knock_delay = 300;
774 ConfigChannel.knock_delay_channel = 60;
775 ConfigChannel.max_chans_per_user = 15;
776 ConfigChannel.max_bans = 25;
777 ConfigChannel.max_bans_large = 500;
778 ConfigChannel.only_ascii_channels = NO;
779 ConfigChannel.cycle_host_change = YES;
780 ConfigChannel.host_in_topic = YES;
781 ConfigChannel.burst_topicwho = NO;
782 ConfigChannel.kick_on_split_riding = NO;
783
784 ConfigChannel.default_split_user_count = 15000;
785 ConfigChannel.default_split_server_count = 10;
786 ConfigChannel.no_join_on_split = NO;
787 ConfigChannel.no_create_on_split = YES;
788 ConfigChannel.resv_forcepart = YES;
789
790 ConfigChannel.exempt_cmode_c = NO;
791 ConfigChannel.exempt_cmode_C = NO;
792 ConfigChannel.exempt_cmode_D = NO;
793 ConfigChannel.exempt_cmode_T = NO;
794 ConfigChannel.exempt_cmode_N = NO;
795 ConfigChannel.exempt_cmode_G = NO;
796 ConfigChannel.exempt_cmode_K = NO;
797
798 ConfigServerHide.flatten_links = 0;
799 ConfigServerHide.links_delay = 300;
800 ConfigServerHide.hidden = 0;
801 ConfigServerHide.disable_hidden = 0;
802
803 ConfigFileEntry.min_nonwildcard = 4;
804 ConfigFileEntry.min_nonwildcard_simple = 3;
805 ConfigFileEntry.default_floodcount = 8;
806 ConfigFileEntry.default_ident_timeout = 5;
807 ConfigFileEntry.client_flood = CLIENT_FLOOD_DEFAULT;
808 ConfigFileEntry.tkline_expire_notices = 0;
809
810 ConfigFileEntry.reject_after_count = 5;
811 ConfigFileEntry.reject_ban_time = 300;
812 ConfigFileEntry.reject_duration = 120;
813 ConfigFileEntry.throttle_count = 4;
814 ConfigFileEntry.throttle_duration = 60;
815 ConfigFileEntry.expire_override_time = 300;
816
817 ServerInfo.default_max_clients = MAXCONNECTIONS;
818
819 if (!alias_dict)
820 alias_dict = irc_dictionary_create(strcasecmp);
821 }
822
823 #undef YES
824 #undef NO
825
826 /*
827 * read_conf()
828 *
829 *
830 * inputs - file descriptor pointing to config file to use
831 * output - None
832 * side effects - Read configuration file.
833 */
834 static void
835 read_conf(FILE * file)
836 {
837 lineno = 0;
838
839 set_default_conf(); /* Set default values prior to conf parsing */
840 yyparse(); /* Load the values from the conf */
841 validate_conf(); /* Check to make sure some values are still okay. */
842 /* Some global values are also loaded here. */
843 check_class(); /* Make sure classes are valid */
844 privilegeset_delete_all_illegal();
845 }
846
847 static void
848 validate_conf(void)
849 {
850 if(ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
851 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
852
853 if(ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
854 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
855
856 if(ServerInfo.network_name == NULL)
857 ServerInfo.network_name = rb_strdup(NETWORK_NAME_DEFAULT);
858
859 if(ServerInfo.network_desc == NULL)
860 ServerInfo.network_desc = rb_strdup(NETWORK_DESC_DEFAULT);
861
862 if(ServerInfo.ssld_count < 1)
863 ServerInfo.ssld_count = 1;
864
865 if(!rb_setup_ssl_server(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params))
866 {
867 ilog(L_MAIN, "WARNING: Unable to setup SSL.");
868 ssl_ok = 0;
869 } else {
870 ssl_ok = 1;
871 send_new_ssl_certs(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params);
872 }
873
874 if(ServerInfo.ssld_count > get_ssld_count())
875 {
876 int start = ServerInfo.ssld_count - get_ssld_count();
877 /* start up additional ssld if needed */
878 start_ssldaemon(start, ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params);
879
880 }
881
882 if((ConfigFileEntry.client_flood < CLIENT_FLOOD_MIN) ||
883 (ConfigFileEntry.client_flood > CLIENT_FLOOD_MAX))
884 ConfigFileEntry.client_flood = CLIENT_FLOOD_MAX;
885
886 if(!split_users || !split_servers ||
887 (!ConfigChannel.no_create_on_split && !ConfigChannel.no_join_on_split))
888 {
889 rb_event_delete(check_splitmode_ev);
890 check_splitmode_ev = NULL;
891 splitmode = 0;
892 splitchecking = 0;
893 }
894
895 if(!valid_hostname(ConfigFileEntry.default_operhost) && !EmptyString(ConfigFileEntry.default_operhost))
896 {
897 conf_report_error("Warning -- invalid default_operhost specified, ignoring.");
898 ConfigFileEntry.default_operhost = rb_strdup("");
899 }
900
901 /* Parse the exemptchanops option and set the internal variables
902 * that we will use. */
903 char * ech;
904
905 for(ech = ConfigChannel.exemptchanops; *ech; ech++)
906 {
907 if(*ech == 'c')
908 {
909 ConfigChannel.exempt_cmode_c = 1;
910 continue;
911 }
912 if(*ech == 'C')
913 {
914 ConfigChannel.exempt_cmode_C = 1;
915 continue;
916 }
917 if(*ech == 'D')
918 {
919 ConfigChannel.exempt_cmode_D = 1;
920 continue;
921 }
922 if(*ech == 'T')
923 {
924 ConfigChannel.exempt_cmode_T = 1;
925 continue;
926 }
927 if(*ech == 'N')
928 {
929 ConfigChannel.exempt_cmode_N = 1;
930 continue;
931 }
932 if(*ech == 'G')
933 {
934 ConfigChannel.exempt_cmode_G = 1;
935 continue;
936 }
937 if(*ech == 'K')
938 ConfigChannel.exempt_cmode_K = 1;
939 }
940 }
941
942 /* add_temp_kline()
943 *
944 * inputs - pointer to struct ConfItem
945 * output - none
946 * Side effects - links in given struct ConfItem into
947 * temporary kline link list
948 */
949 void
950 add_temp_kline(struct ConfItem *aconf)
951 {
952 if(aconf->hold >= rb_current_time() + (10080 * 60))
953 {
954 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_WEEK]);
955 aconf->port = TEMP_WEEK;
956 }
957 else if(aconf->hold >= rb_current_time() + (1440 * 60))
958 {
959 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_DAY]);
960 aconf->port = TEMP_DAY;
961 }
962 else if(aconf->hold >= rb_current_time() + (60 * 60))
963 {
964 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_HOUR]);
965 aconf->port = TEMP_HOUR;
966 }
967 else
968 {
969 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_MIN]);
970 aconf->port = TEMP_MIN;
971 }
972
973 aconf->flags |= CONF_FLAGS_TEMPORARY;
974 add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);
975 }
976
977 /* add_temp_dline()
978 *
979 * input - pointer to struct ConfItem
980 * output - none
981 * side effects - added to tdline link list and address hash
982 */
983 void
984 add_temp_dline(struct ConfItem *aconf)
985 {
986 if(aconf->hold >= rb_current_time() + (10080 * 60))
987 {
988 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_WEEK]);
989 aconf->port = TEMP_WEEK;
990 }
991 else if(aconf->hold >= rb_current_time() + (1440 * 60))
992 {
993 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_DAY]);
994 aconf->port = TEMP_DAY;
995 }
996 else if(aconf->hold >= rb_current_time() + (60 * 60))
997 {
998 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_HOUR]);
999 aconf->port = TEMP_HOUR;
1000 }
1001 else
1002 {
1003 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_MIN]);
1004 aconf->port = TEMP_MIN;
1005 }
1006
1007 aconf->flags |= CONF_FLAGS_TEMPORARY;
1008 add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, NULL, aconf);
1009 }
1010
1011 /* valid_wild_card()
1012 *
1013 * input - user buffer, host buffer
1014 * output - 0 if invalid, 1 if valid
1015 * side effects -
1016 */
1017 int
1018 valid_wild_card(const char *luser, const char *lhost)
1019 {
1020 const char *p;
1021 char tmpch;
1022 int nonwild = 0;
1023 int bitlen;
1024
1025 /* user has no wildcards, always accept -- jilles */
1026 if(!strchr(luser, '?') && !strchr(luser, '*'))
1027 return 1;
1028
1029 /* check there are enough non wildcard chars */
1030 p = luser;
1031 while((tmpch = *p++))
1032 {
1033 if(!IsKWildChar(tmpch))
1034 {
1035 /* found enough chars, return */
1036 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1037 return 1;
1038 }
1039 }
1040
1041 /* try host, as user didnt contain enough */
1042 /* special case for cidr masks -- jilles */
1043 if((p = strrchr(lhost, '/')) != NULL && IsDigit(p[1]))
1044 {
1045 bitlen = atoi(p + 1);
1046 /* much like non-cidr for ipv6, rather arbitrary for ipv4 */
1047 if(bitlen > 0
1048 && bitlen >=
1049 (strchr(lhost, ':') ? 4 * (ConfigFileEntry.min_nonwildcard - nonwild) : 6 -
1050 2 * nonwild))
1051 return 1;
1052 }
1053 else
1054 {
1055 p = lhost;
1056 while((tmpch = *p++))
1057 {
1058 if(!IsKWildChar(tmpch))
1059 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1060 return 1;
1061 }
1062 }
1063
1064 return 0;
1065 }
1066
1067 rb_dlink_node *
1068 find_prop_ban(unsigned int status, const char *user, const char *host)
1069 {
1070 rb_dlink_node *ptr;
1071 struct ConfItem *aconf;
1072
1073 RB_DLINK_FOREACH(ptr, prop_bans.head)
1074 {
1075 aconf = ptr->data;
1076
1077 if((aconf->status & ~CONF_ILLEGAL) == status &&
1078 (!user || !aconf->user ||
1079 !irccmp(aconf->user, user)) &&
1080 !irccmp(aconf->host, host))
1081 return ptr;
1082 }
1083 return NULL;
1084 }
1085
1086 void
1087 deactivate_conf(struct ConfItem *aconf, rb_dlink_node *ptr)
1088 {
1089 int i;
1090
1091 s_assert(ptr->data == aconf);
1092
1093 switch (aconf->status)
1094 {
1095 case CONF_KILL:
1096 if (aconf->lifetime == 0 &&
1097 aconf->flags & CONF_FLAGS_TEMPORARY)
1098 for (i = 0; i < LAST_TEMP_TYPE; i++)
1099 rb_dlinkFindDestroy(aconf, &temp_klines[i]);
1100 /* Make sure delete_one_address_conf() does not
1101 * free the aconf.
1102 */
1103 aconf->clients++;
1104 delete_one_address_conf(aconf->host, aconf);
1105 aconf->clients--;
1106 break;
1107 case CONF_DLINE:
1108 if (aconf->lifetime == 0 &&
1109 aconf->flags & CONF_FLAGS_TEMPORARY)
1110 for (i = 0; i < LAST_TEMP_TYPE; i++)
1111 rb_dlinkFindDestroy(aconf, &temp_dlines[i]);
1112 aconf->clients++;
1113 delete_one_address_conf(aconf->host, aconf);
1114 aconf->clients--;
1115 break;
1116 case CONF_XLINE:
1117 rb_dlinkFindDestroy(aconf, &xline_conf_list);
1118 break;
1119 case CONF_RESV_NICK:
1120 rb_dlinkFindDestroy(aconf, &resv_conf_list);
1121 break;
1122 case CONF_RESV_CHANNEL:
1123 del_from_resv_hash(aconf->host, aconf);
1124 break;
1125 }
1126 if (aconf->lifetime != 0 && rb_current_time() < aconf->lifetime)
1127 aconf->status |= CONF_ILLEGAL;
1128 else
1129 {
1130 if (aconf->lifetime != 0)
1131 rb_dlinkDestroy(ptr, &prop_bans);
1132 free_conf(aconf);
1133 }
1134 }
1135
1136 /* Given a new ban ConfItem, look for any matching ban, update the lifetime
1137 * from it and delete it.
1138 */
1139 void
1140 replace_old_ban(struct ConfItem *aconf)
1141 {
1142 rb_dlink_node *ptr;
1143 struct ConfItem *oldconf;
1144
1145 ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
1146 if(ptr != NULL)
1147 {
1148 oldconf = ptr->data;
1149 /* Remember at least as long as the old one. */
1150 if(oldconf->lifetime > aconf->lifetime)
1151 aconf->lifetime = oldconf->lifetime;
1152 /* Force creation time to increase. */
1153 if(oldconf->created >= aconf->created)
1154 aconf->created = oldconf->created + 1;
1155 /* Leave at least one second of validity. */
1156 if(aconf->hold <= aconf->created)
1157 aconf->hold = aconf->created + 1;
1158 if(aconf->lifetime < aconf->hold)
1159 aconf->lifetime = aconf->hold;
1160 /* Tell deactivate_conf() to destroy it. */
1161 oldconf->lifetime = rb_current_time();
1162 deactivate_conf(oldconf, ptr);
1163 }
1164 }
1165
1166 static void
1167 expire_prop_bans(void *list)
1168 {
1169 rb_dlink_node *ptr;
1170 rb_dlink_node *next_ptr;
1171 struct ConfItem *aconf;
1172
1173 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1174 {
1175 aconf = ptr->data;
1176
1177 if(aconf->lifetime <= rb_current_time() ||
1178 (aconf->hold <= rb_current_time() &&
1179 !(aconf->status & CONF_ILLEGAL)))
1180 {
1181 /* Alert opers that a TKline expired - Hwy */
1182 /* XXX show what type of ban it is */
1183 if(ConfigFileEntry.tkline_expire_notices &&
1184 !(aconf->status & CONF_ILLEGAL))
1185 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1186 "Propagated ban for [%s%s%s] expired",
1187 aconf->user ? aconf->user : "",
1188 aconf->user ? "@" : "",
1189 aconf->host ? aconf->host : "*");
1190
1191 /* will destroy or mark illegal */
1192 deactivate_conf(aconf, ptr);
1193 }
1194 }
1195 }
1196
1197 /* expire_tkline()
1198 *
1199 * inputs - list pointer
1200 * - type
1201 * output - NONE
1202 * side effects - expire tklines and moves them between lists
1203 */
1204 static void
1205 expire_temp_kd(void *list)
1206 {
1207 rb_dlink_node *ptr;
1208 rb_dlink_node *next_ptr;
1209 struct ConfItem *aconf;
1210
1211 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1212 {
1213 aconf = ptr->data;
1214
1215 if(aconf->hold <= rb_current_time())
1216 {
1217 /* Alert opers that a TKline expired - Hwy */
1218 if(ConfigFileEntry.tkline_expire_notices)
1219 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1220 "Temporary K-line for [%s@%s] expired",
1221 (aconf->user) ? aconf->
1222 user : "*", (aconf->host) ? aconf->host : "*");
1223
1224 delete_one_address_conf(aconf->host, aconf);
1225 rb_dlinkDestroy(ptr, list);
1226 }
1227 }
1228 }
1229
1230 static void
1231 reorganise_temp_kd(void *list)
1232 {
1233 struct ConfItem *aconf;
1234 rb_dlink_node *ptr, *next_ptr;
1235
1236 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1237 {
1238 aconf = ptr->data;
1239
1240 if(aconf->hold < (rb_current_time() + (60 * 60)))
1241 {
1242 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1243 &temp_klines[TEMP_MIN] : &temp_dlines[TEMP_MIN]);
1244 aconf->port = TEMP_MIN;
1245 }
1246 else if(aconf->port > TEMP_HOUR)
1247 {
1248 if(aconf->hold < (rb_current_time() + (1440 * 60)))
1249 {
1250 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1251 &temp_klines[TEMP_HOUR] : &temp_dlines[TEMP_HOUR]);
1252 aconf->port = TEMP_HOUR;
1253 }
1254 else if(aconf->port > TEMP_DAY &&
1255 (aconf->hold < (rb_current_time() + (10080 * 60))))
1256 {
1257 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1258 &temp_klines[TEMP_DAY] : &temp_dlines[TEMP_DAY]);
1259 aconf->port = TEMP_DAY;
1260 }
1261 }
1262 }
1263 }
1264
1265
1266 /* const char* get_oper_name(struct Client *client_p)
1267 * Input: A client to find the active oper{} name for.
1268 * Output: The nick!user@host{oper} of the oper.
1269 * "oper" is server name for remote opers
1270 * Side effects: None.
1271 */
1272 char *
1273 get_oper_name(struct Client *client_p)
1274 {
1275 /* +5 for !,@,{,} and null */
1276 static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1277
1278 if(MyOper(client_p))
1279 {
1280 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1281 client_p->name, client_p->username,
1282 client_p->host, client_p->localClient->opername);
1283 return buffer;
1284 }
1285
1286 rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1287 client_p->name, client_p->username,
1288 client_p->host, client_p->servptr->name);
1289 return buffer;
1290 }
1291
1292 /*
1293 * get_printable_conf
1294 *
1295 * inputs - struct ConfItem
1296 *
1297 * output - name
1298 * - host
1299 * - pass
1300 * - user
1301 * - port
1302 *
1303 * side effects -
1304 * Examine the struct struct ConfItem, setting the values
1305 * of name, host, pass, user to values either
1306 * in aconf, or "<NULL>" port is set to aconf->port in all cases.
1307 */
1308 void
1309 get_printable_conf(struct ConfItem *aconf, char **name, char **host,
1310 char **pass, char **user, int *port, char **classname)
1311 {
1312 static char null[] = "<NULL>";
1313 static char zero[] = "default";
1314
1315 *name = EmptyString(aconf->info.name) ? null : aconf->info.name;
1316 *host = EmptyString(aconf->host) ? null : aconf->host;
1317 *pass = EmptyString(aconf->passwd) ? null : aconf->passwd;
1318 *user = EmptyString(aconf->user) ? null : aconf->user;
1319 *classname = EmptyString(aconf->className) ? zero : aconf->className;
1320 *port = (int) aconf->port;
1321 }
1322
1323 char *
1324 get_user_ban_reason(struct ConfItem *aconf)
1325 {
1326 static char reasonbuf[BUFSIZE];
1327
1328 if (aconf->flags & CONF_FLAGS_TEMPORARY &&
1329 (aconf->status == CONF_KILL || aconf->status == CONF_DLINE))
1330 rb_snprintf(reasonbuf, sizeof reasonbuf,
1331 "Temporary %c-line %d min. - ",
1332 aconf->status == CONF_DLINE ? 'D' : 'K',
1333 (int)((aconf->hold - aconf->created) / 60));
1334 else
1335 reasonbuf[0] = '\0';
1336 if (aconf->passwd)
1337 rb_strlcat(reasonbuf, aconf->passwd, sizeof reasonbuf);
1338 else
1339 rb_strlcat(reasonbuf, "No Reason", sizeof reasonbuf);
1340 if (aconf->created)
1341 {
1342 rb_strlcat(reasonbuf, " (", sizeof reasonbuf);
1343 rb_strlcat(reasonbuf, smalldate(aconf->created),
1344 sizeof reasonbuf);
1345 rb_strlcat(reasonbuf, ")", sizeof reasonbuf);
1346 }
1347 return reasonbuf;
1348 }
1349
1350 void
1351 get_printable_kline(struct Client *source_p, struct ConfItem *aconf,
1352 char **host, char **reason,
1353 char **user, char **oper_reason)
1354 {
1355 static char null[] = "<NULL>";
1356 static char operreasonbuf[BUFSIZE];
1357
1358 *host = EmptyString(aconf->host) ? null : aconf->host;
1359 *user = EmptyString(aconf->user) ? null : aconf->user;
1360 *reason = get_user_ban_reason(aconf);
1361
1362 if(!IsOper(source_p))
1363 *oper_reason = NULL;
1364 else
1365 {
1366 rb_snprintf(operreasonbuf, sizeof operreasonbuf, "%s%s(%s)",
1367 EmptyString(aconf->spasswd) ? "" : aconf->spasswd,
1368 EmptyString(aconf->spasswd) ? "" : " ",
1369 aconf->info.oper);
1370 *oper_reason = operreasonbuf;
1371 }
1372 }
1373
1374 /*
1375 * read_conf_files
1376 *
1377 * inputs - cold start YES or NO
1378 * output - none
1379 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1380 */
1381 void
1382 read_conf_files(int cold)
1383 {
1384 const char *filename;
1385
1386 conf_fbfile_in = NULL;
1387
1388 filename = ConfigFileEntry.configfile;
1389
1390 /* We need to know the initial filename for the yyerror() to report
1391 FIXME: The full path is in conffilenamebuf first time since we
1392 dont know anything else
1393
1394 - Gozem 2002-07-21
1395 */
1396 rb_strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1397
1398 if((conf_fbfile_in = fopen(filename, "r")) == NULL)
1399 {
1400 if(cold)
1401 {
1402 ilog(L_MAIN, "Failed in reading configuration file %s", filename);
1403 exit(-1);
1404 }
1405 else
1406 {
1407 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1408 "Can't open file '%s' - aborting rehash!", filename);
1409 return;
1410 }
1411 }
1412
1413 if(!cold)
1414 {
1415 clear_out_old_conf();
1416 }
1417
1418 read_conf(conf_fbfile_in);
1419 fclose(conf_fbfile_in);
1420 }
1421
1422 /*
1423 * free an alias{} entry.
1424 */
1425 static void
1426 free_alias_cb(struct DictionaryElement *ptr, void *unused)
1427 {
1428 struct alias_entry *aptr = ptr->data;
1429
1430 rb_free(aptr->name);
1431 rb_free(aptr->target);
1432 rb_free(aptr);
1433 }
1434
1435 /*
1436 * clear_out_old_conf
1437 *
1438 * inputs - none
1439 * output - none
1440 * side effects - Clear out the old configuration
1441 */
1442 static void
1443 clear_out_old_conf(void)
1444 {
1445 struct Class *cltmp;
1446 rb_dlink_node *ptr;
1447 rb_dlink_node *next_ptr;
1448
1449 /*
1450 * don't delete the class table, rather mark all entries
1451 * for deletion. The table is cleaned up by check_class. - avalon
1452 */
1453 RB_DLINK_FOREACH(ptr, class_list.head)
1454 {
1455 cltmp = ptr->data;
1456 MaxUsers(cltmp) = -1;
1457 }
1458
1459 clear_out_address_conf();
1460 clear_s_newconf();
1461
1462 /* clean out module paths */
1463 #ifndef STATIC_MODULES
1464 mod_clear_paths();
1465 mod_add_path(MODULE_DIR);
1466 mod_add_path(MODULE_DIR "/autoload");
1467 #endif
1468
1469 /* clean out ServerInfo */
1470 rb_free(ServerInfo.description);
1471 ServerInfo.description = NULL;
1472 rb_free(ServerInfo.network_name);
1473 ServerInfo.network_name = NULL;
1474 rb_free(ServerInfo.network_desc);
1475 ServerInfo.network_desc = NULL;
1476 rb_free(ServerInfo.helpchan);
1477 ServerInfo.helpchan = NULL;
1478 rb_free(ServerInfo.helpurl);
1479 ServerInfo.helpurl = NULL;
1480
1481 ServerInfo.ssld_count = 1;
1482
1483 /* clean out AdminInfo */
1484 rb_free(AdminInfo.name);
1485 AdminInfo.name = NULL;
1486 rb_free(AdminInfo.email);
1487 AdminInfo.email = NULL;
1488 rb_free(AdminInfo.description);
1489 AdminInfo.description = NULL;
1490
1491 /* operator{} and class{} blocks are freed above */
1492 /* clean out listeners */
1493 close_listeners();
1494
1495 /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, exempt{}
1496 * and gecos{} blocks are freed above too
1497 */
1498
1499 /* clean out general */
1500 rb_free(ConfigFileEntry.kline_reason);
1501 ConfigFileEntry.kline_reason = NULL;
1502
1503 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, service_list.head)
1504 {
1505 rb_free(ptr->data);
1506 rb_dlinkDestroy(ptr, &service_list);
1507 }
1508
1509 /* remove any aliases... -- nenolod */
1510 if (alias_dict != NULL)
1511 {
1512 irc_dictionary_destroy(alias_dict, free_alias_cb, NULL);
1513 alias_dict = NULL;
1514 }
1515
1516 destroy_blacklists();
1517
1518 privilegeset_mark_all_illegal();
1519
1520 /* OK, that should be everything... */
1521 }
1522
1523
1524 /*
1525 * conf_add_class_to_conf
1526 * inputs - pointer to config item
1527 * output - NONE
1528 * side effects - Add a class pointer to a conf
1529 */
1530
1531 void
1532 conf_add_class_to_conf(struct ConfItem *aconf)
1533 {
1534 if(aconf->className == NULL)
1535 {
1536 aconf->className = rb_strdup("default");
1537 ClassPtr(aconf) = default_class;
1538 return;
1539 }
1540
1541 ClassPtr(aconf) = find_class(aconf->className);
1542
1543 if(ClassPtr(aconf) == default_class)
1544 {
1545 if(aconf->status == CONF_CLIENT)
1546 {
1547 conf_report_error(
1548 "Using default class for missing class \"%s\" in auth{} for %s@%s",
1549 aconf->className, aconf->user, aconf->host);
1550 }
1551
1552 rb_free(aconf->className);
1553 aconf->className = rb_strdup("default");
1554 return;
1555 }
1556
1557 if(ConfMaxUsers(aconf) < 0)
1558 {
1559 ClassPtr(aconf) = default_class;
1560 rb_free(aconf->className);
1561 aconf->className = rb_strdup("default");
1562 return;
1563 }
1564 }
1565
1566 /*
1567 * conf_add_d_conf
1568 * inputs - pointer to config item
1569 * output - NONE
1570 * side effects - Add a d/D line
1571 */
1572 void
1573 conf_add_d_conf(struct ConfItem *aconf)
1574 {
1575 if(aconf->host == NULL)
1576 return;
1577
1578 aconf->user = NULL;
1579
1580 /* XXX - Should 'd' ever be in the old conf? For new conf we don't
1581 * need this anyway, so I will disable it for now... -A1kmm
1582 */
1583
1584 if(parse_netmask(aconf->host, NULL, NULL) == HM_HOST)
1585 {
1586 ilog(L_MAIN, "Invalid Dline %s ignored", aconf->host);
1587 free_conf(aconf);
1588 }
1589 else
1590 {
1591 add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);
1592 }
1593 }
1594
1595 static char *
1596 strip_tabs(char *dest, const char *src, size_t len)
1597 {
1598 char *d = dest;
1599
1600 if(dest == NULL || src == NULL)
1601 return NULL;
1602
1603 rb_strlcpy(dest, src, len);
1604
1605 while(*d)
1606 {
1607 if(*d == '\t')
1608 *d = ' ';
1609 d++;
1610 }
1611 return dest;
1612 }
1613
1614 /*
1615 * yyerror
1616 *
1617 * inputs - message from parser
1618 * output - none
1619 * side effects - message to opers and log file entry is made
1620 */
1621 void
1622 yyerror(const char *msg)
1623 {
1624 char newlinebuf[BUFSIZE];
1625
1626 strip_tabs(newlinebuf, linebuf, strlen(linebuf));
1627
1628 ierror("\"%s\", line %d: %s at '%s'", conffilebuf, lineno + 1, msg, newlinebuf);
1629 sendto_realops_snomask(SNO_GENERAL, L_ALL, "\"%s\", line %d: %s at '%s'",
1630 conffilebuf, lineno + 1, msg, newlinebuf);
1631
1632 }
1633
1634 int
1635 conf_fgets(char *lbuf, int max_size, FILE * fb)
1636 {
1637 char *buff;
1638
1639 if((buff = fgets(lbuf, max_size, fb)) == NULL)
1640 return (0);
1641
1642 return (strlen(lbuf));
1643 }
1644
1645 int
1646 conf_yy_fatal_error(const char *msg)
1647 {
1648 return (0);
1649 }
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