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[solanum.git] / ircd / s_conf.c
1 /*
2 * ircd-ratbox: A slightly useful ircd.
3 * s_conf.c: Configuration file functions.
4 *
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
22 * USA
23 */
24
25 #include "stdinc.h"
26 #include "ircd_defs.h"
27 #include "s_conf.h"
28 #include "s_newconf.h"
29 #include "newconf.h"
30 #include "s_serv.h"
31 #include "s_stats.h"
32 #include "channel.h"
33 #include "class.h"
34 #include "client.h"
35 #include "common.h"
36 #include "hash.h"
37 #include "match.h"
38 #include "ircd.h"
39 #include "listener.h"
40 #include "hostmask.h"
41 #include "modules.h"
42 #include "numeric.h"
43 #include "logger.h"
44 #include "send.h"
45 #include "reject.h"
46 #include "cache.h"
47 #include "blacklist.h"
48 #include "privilege.h"
49 #include "sslproc.h"
50 #include "bandbi.h"
51 #include "operhash.h"
52 #include "chmode.h"
53 #include "hook.h"
54 #include "s_assert.h"
55 #include "authd.h"
56
57 struct config_server_hide ConfigServerHide;
58
59 extern int yyparse(void); /* defined in y.tab.c */
60 extern char linebuf[];
61
62 #ifndef INADDR_NONE
63 #define INADDR_NONE ((unsigned int) 0xffffffff)
64 #endif
65
66 static rb_bh *confitem_heap = NULL;
67
68 rb_dlink_list prop_bans;
69
70 rb_dlink_list temp_klines[LAST_TEMP_TYPE];
71 rb_dlink_list temp_dlines[LAST_TEMP_TYPE];
72 rb_dlink_list service_list;
73
74 /* internally defined functions */
75 static void set_default_conf(void);
76 static void validate_conf(void);
77 static void read_conf(void);
78 static void clear_out_old_conf(void);
79
80 static void expire_prop_bans(void *list);
81 static void expire_temp_kd(void *list);
82 static void reorganise_temp_kd(void *list);
83
84 FILE *conf_fbfile_in;
85 extern char yytext[];
86
87 static int verify_access(struct Client *client_p, const char *username);
88 static struct ConfItem *find_address_conf_by_client(struct Client *client_p, const char *username);
89 static int attach_iline(struct Client *, struct ConfItem *);
90
91 void
92 init_s_conf(void)
93 {
94 confitem_heap = rb_bh_create(sizeof(struct ConfItem), CONFITEM_HEAP_SIZE, "confitem_heap");
95
96 rb_event_addish("expire_prop_bans", expire_prop_bans, &prop_bans, 60);
97
98 rb_event_addish("expire_temp_klines", expire_temp_kd, &temp_klines[TEMP_MIN], 60);
99 rb_event_addish("expire_temp_dlines", expire_temp_kd, &temp_dlines[TEMP_MIN], 60);
100
101 rb_event_addish("expire_temp_klines_hour", reorganise_temp_kd,
102 &temp_klines[TEMP_HOUR], 3600);
103 rb_event_addish("expire_temp_dlines_hour", reorganise_temp_kd,
104 &temp_dlines[TEMP_HOUR], 3600);
105 rb_event_addish("expire_temp_klines_day", reorganise_temp_kd,
106 &temp_klines[TEMP_DAY], 86400);
107 rb_event_addish("expire_temp_dlines_day", reorganise_temp_kd,
108 &temp_dlines[TEMP_DAY], 86400);
109 rb_event_addish("expire_temp_klines_week", reorganise_temp_kd,
110 &temp_klines[TEMP_WEEK], 604800);
111 rb_event_addish("expire_temp_dlines_week", reorganise_temp_kd,
112 &temp_dlines[TEMP_WEEK], 604800);
113 }
114
115 /*
116 * make_conf
117 *
118 * inputs - none
119 * output - pointer to new conf entry
120 * side effects - none
121 */
122 struct ConfItem *
123 make_conf()
124 {
125 struct ConfItem *aconf;
126
127 aconf = rb_bh_alloc(confitem_heap);
128 aconf->status = CONF_ILLEGAL;
129 return (aconf);
130 }
131
132 /*
133 * free_conf
134 *
135 * inputs - pointer to conf to free
136 * output - none
137 * side effects - crucial password fields are zeroed, conf is freed
138 */
139 void
140 free_conf(struct ConfItem *aconf)
141 {
142 s_assert(aconf != NULL);
143 if(aconf == NULL)
144 return;
145
146 /* security.. */
147 if(aconf->passwd)
148 memset(aconf->passwd, 0, strlen(aconf->passwd));
149 if(aconf->spasswd)
150 memset(aconf->spasswd, 0, strlen(aconf->spasswd));
151
152 rb_free(aconf->passwd);
153 rb_free(aconf->spasswd);
154 rb_free(aconf->className);
155 rb_free(aconf->user);
156 rb_free(aconf->host);
157
158 if(IsConfBan(aconf))
159 operhash_delete(aconf->info.oper);
160 else
161 rb_free(aconf->info.name);
162
163 rb_bh_free(confitem_heap, aconf);
164 }
165
166 /*
167 * check_client
168 *
169 * inputs - pointer to client
170 * output - 0 = Success
171 * NOT_AUTHORISED (-1) = Access denied (no I line match)
172 * SOCKET_ERROR (-2) = Bad socket.
173 * I_LINE_FULL (-3) = I-line is full
174 * TOO_MANY (-4) = Too many connections from hostname
175 * BANNED_CLIENT (-5) = K-lined
176 * side effects - Ordinary client access check.
177 * Look for conf lines which have the same
178 * status as the flags passed.
179 */
180 int
181 check_client(struct Client *client_p, struct Client *source_p, const char *username)
182 {
183 int i;
184
185 if((i = verify_access(source_p, username)))
186 {
187 ilog(L_FUSER, "Access denied: %s[%s]",
188 source_p->name, source_p->sockhost);
189 }
190
191 switch (i)
192 {
193 case SOCKET_ERROR:
194 exit_client(client_p, source_p, &me, "Socket Error");
195 break;
196
197 case TOO_MANY_LOCAL:
198 /* Note that these notices are sent to opers on other
199 * servers also, so even if local opers are allowed to
200 * see the IP, we still cannot send it.
201 */
202 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
203 "Too many local connections for %s!%s%s@%s",
204 source_p->name, IsGotId(source_p) ? "" : "~",
205 source_p->username,
206 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
207
208 ilog(L_FUSER, "Too many local connections from %s!%s%s@%s",
209 source_p->name, IsGotId(source_p) ? "" : "~",
210 source_p->username, source_p->sockhost);
211
212 ServerStats.is_ref++;
213 exit_client(client_p, source_p, &me, "Too many host connections (local)");
214 break;
215
216 case TOO_MANY_GLOBAL:
217 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
218 "Too many global connections for %s!%s%s@%s",
219 source_p->name, IsGotId(source_p) ? "" : "~",
220 source_p->username,
221 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
222 ilog(L_FUSER, "Too many global connections from %s!%s%s@%s",
223 source_p->name, IsGotId(source_p) ? "" : "~",
224 source_p->username, source_p->sockhost);
225
226 ServerStats.is_ref++;
227 exit_client(client_p, source_p, &me, "Too many host connections (global)");
228 break;
229
230 case TOO_MANY_IDENT:
231 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
232 "Too many user connections for %s!%s%s@%s",
233 source_p->name, IsGotId(source_p) ? "" : "~",
234 source_p->username,
235 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : source_p->host);
236 ilog(L_FUSER, "Too many user connections from %s!%s%s@%s",
237 source_p->name, IsGotId(source_p) ? "" : "~",
238 source_p->username, source_p->sockhost);
239
240 ServerStats.is_ref++;
241 exit_client(client_p, source_p, &me, "Too many user connections (global)");
242 break;
243
244 case I_LINE_FULL:
245 sendto_realops_snomask(SNO_FULL, L_NETWIDE,
246 "I-line is full for %s!%s%s@%s (%s).",
247 source_p->name, IsGotId(source_p) ? "" : "~",
248 source_p->username, source_p->host,
249 show_ip(NULL, source_p) && !IsIPSpoof(source_p) ? source_p->sockhost : "255.255.255.255");
250
251 ilog(L_FUSER, "Too many connections from %s!%s%s@%s.",
252 source_p->name, IsGotId(source_p) ? "" : "~",
253 source_p->username, source_p->sockhost);
254
255 ServerStats.is_ref++;
256 exit_client(client_p, source_p, &me,
257 "No more connections allowed in your connection class");
258 break;
259
260 case NOT_AUTHORISED:
261 {
262 int port = -1;
263 #ifdef RB_IPV6
264 if(source_p->localClient->ip.ss_family == AF_INET6)
265 port = ntohs(((struct sockaddr_in6 *)&source_p->localClient->listener->addr)->sin6_port);
266 else
267 #endif
268 port = ntohs(((struct sockaddr_in *)&source_p->localClient->listener->addr)->sin_port);
269
270 ServerStats.is_ref++;
271 /* jdc - lists server name & port connections are on */
272 /* a purely cosmetical change */
273 /* why ipaddr, and not just source_p->sockhost? --fl */
274 #if 0
275 static char ipaddr[HOSTIPLEN];
276 rb_inet_ntop_sock(&source_p->localClient->ip, ipaddr, sizeof(ipaddr));
277 #endif
278 sendto_realops_snomask(SNO_UNAUTH, L_ALL,
279 "Unauthorised client connection from "
280 "%s!%s%s@%s [%s] on [%s/%u].",
281 source_p->name, IsGotId(source_p) ? "" : "~",
282 source_p->username, source_p->host,
283 source_p->sockhost,
284 source_p->localClient->listener->name, port);
285
286 ilog(L_FUSER,
287 "Unauthorised client connection from %s!%s%s@%s on [%s/%u].",
288 source_p->name, IsGotId(source_p) ? "" : "~",
289 source_p->username, source_p->sockhost,
290 source_p->localClient->listener->name, port);
291 add_reject(client_p, NULL, NULL);
292 exit_client(client_p, source_p, &me,
293 "You are not authorised to use this server");
294 break;
295 }
296 case BANNED_CLIENT:
297 exit_client(client_p, client_p, &me, "*** Banned ");
298 ServerStats.is_ref++;
299 break;
300
301 case 0:
302 default:
303 break;
304 }
305 return (i);
306 }
307
308 /*
309 * verify_access
310 *
311 * inputs - pointer to client to verify
312 * - pointer to proposed username
313 * output - 0 if success -'ve if not
314 * side effect - find the first (best) I line to attach.
315 */
316 static int
317 verify_access(struct Client *client_p, const char *username)
318 {
319 struct ConfItem *aconf;
320
321 aconf = find_address_conf_by_client(client_p, username);
322 if(aconf == NULL)
323 return NOT_AUTHORISED;
324
325 if(aconf->status & CONF_CLIENT)
326 {
327 if(aconf->flags & CONF_FLAGS_REDIR)
328 {
329 sendto_one_numeric(client_p, RPL_REDIR, form_str(RPL_REDIR),
330 aconf->info.name ? aconf->info.name : "", aconf->port);
331 return (NOT_AUTHORISED);
332 }
333
334 /* Thanks for spoof idea amm */
335 if(IsConfDoSpoofIp(aconf))
336 {
337 char *p;
338
339 /* show_ip() depends on this --fl */
340 SetIPSpoof(client_p);
341
342 if(IsConfSpoofNotice(aconf))
343 {
344 sendto_realops_snomask(SNO_GENERAL, L_ALL,
345 "%s spoofing: %s as %s",
346 client_p->name,
347 show_ip(NULL, client_p) ? client_p->host : aconf->info.name,
348 aconf->info.name);
349 }
350
351 /* user@host spoof */
352 if((p = strchr(aconf->info.name, '@')) != NULL)
353 {
354 char *host = p+1;
355 *p = '\0';
356
357 rb_strlcpy(client_p->username, aconf->info.name,
358 sizeof(client_p->username));
359 rb_strlcpy(client_p->host, host,
360 sizeof(client_p->host));
361 *p = '@';
362 }
363 else
364 rb_strlcpy(client_p->host, aconf->info.name, sizeof(client_p->host));
365 }
366 return (attach_iline(client_p, aconf));
367 }
368 else if(aconf->status & CONF_KILL)
369 {
370 if(ConfigFileEntry.kline_with_reason)
371 sendto_one(client_p,
372 form_str(ERR_YOUREBANNEDCREEP),
373 me.name, client_p->name,
374 get_user_ban_reason(aconf));
375 add_reject(client_p, aconf->user, aconf->host);
376 return (BANNED_CLIENT);
377 }
378
379 return NOT_AUTHORISED;
380 }
381
382
383 /*
384 * find_address_conf_by_client
385 */
386 static struct ConfItem *
387 find_address_conf_by_client(struct Client *client_p, const char *username)
388 {
389 struct ConfItem *aconf;
390 char non_ident[USERLEN + 1];
391
392 if(IsGotId(client_p))
393 {
394 aconf = find_address_conf(client_p->host, client_p->sockhost,
395 client_p->username, client_p->username,
396 (struct sockaddr *) &client_p->localClient->ip,
397 client_p->localClient->ip.ss_family,
398 client_p->localClient->auth_user);
399 }
400 else
401 {
402 rb_strlcpy(non_ident, "~", sizeof(non_ident));
403 rb_strlcat(non_ident, username, sizeof(non_ident));
404 aconf = find_address_conf(client_p->host, client_p->sockhost,
405 non_ident, client_p->username,
406 (struct sockaddr *) &client_p->localClient->ip,
407 client_p->localClient->ip.ss_family,
408 client_p->localClient->auth_user);
409 }
410 return aconf;
411 }
412
413
414 /*
415 * add_ip_limit
416 *
417 * Returns 1 if successful 0 if not
418 *
419 * This checks if the user has exceed the limits for their class
420 * unless of course they are exempt..
421 */
422
423 static int
424 add_ip_limit(struct Client *client_p, struct ConfItem *aconf)
425 {
426 rb_patricia_node_t *pnode;
427 int bitlen;
428
429 /* If the limits are 0 don't do anything.. */
430 if(ConfCidrAmount(aconf) == 0
431 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
432 return -1;
433
434 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
435
436 if(GET_SS_FAMILY(&client_p->localClient->ip) == AF_INET)
437 bitlen = ConfCidrIpv4Bitlen(aconf);
438 else
439 bitlen = ConfCidrIpv6Bitlen(aconf);
440
441 if(pnode == NULL)
442 pnode = make_and_lookup_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip, bitlen);
443
444 s_assert(pnode != NULL);
445
446 if(pnode != NULL)
447 {
448 if(((intptr_t)pnode->data) >= ConfCidrAmount(aconf) && !IsConfExemptLimits(aconf))
449 {
450 /* This should only happen if the limits are set to 0 */
451 if((intptr_t)pnode->data == 0)
452 {
453 rb_patricia_remove(ConfIpLimits(aconf), pnode);
454 }
455 return (0);
456 }
457
458 pnode->data = (void *)(((intptr_t)pnode->data) + 1);
459 }
460 return 1;
461 }
462
463 static void
464 remove_ip_limit(struct Client *client_p, struct ConfItem *aconf)
465 {
466 rb_patricia_node_t *pnode;
467
468 /* If the limits are 0 don't do anything.. */
469 if(ConfCidrAmount(aconf) == 0
470 || (ConfCidrIpv4Bitlen(aconf) == 0 && ConfCidrIpv6Bitlen(aconf) == 0))
471 return;
472
473 pnode = rb_match_ip(ConfIpLimits(aconf), (struct sockaddr *)&client_p->localClient->ip);
474 if(pnode == NULL)
475 return;
476
477 pnode->data = (void *)(((intptr_t)pnode->data) - 1);
478 if(((intptr_t)pnode->data) == 0)
479 {
480 rb_patricia_remove(ConfIpLimits(aconf), pnode);
481 }
482
483 }
484
485 /*
486 * attach_iline
487 *
488 * inputs - client pointer
489 * - conf pointer
490 * output -
491 * side effects - do actual attach
492 */
493 static int
494 attach_iline(struct Client *client_p, struct ConfItem *aconf)
495 {
496 struct Client *target_p;
497 rb_dlink_node *ptr;
498 int local_count = 0;
499 int global_count = 0;
500 int ident_count = 0;
501 int unidented;
502
503 if(IsConfExemptLimits(aconf))
504 return (attach_conf(client_p, aconf));
505
506 unidented = !IsGotId(client_p) && !IsNoTilde(aconf) &&
507 (!IsConfDoSpoofIp(aconf) || !strchr(aconf->info.name, '@'));
508
509 /* find_hostname() returns the head of the list to search */
510 RB_DLINK_FOREACH(ptr, find_hostname(client_p->host))
511 {
512 target_p = ptr->data;
513
514 if(irccmp(client_p->host, target_p->orighost) != 0)
515 continue;
516
517 if(MyConnect(target_p))
518 local_count++;
519
520 global_count++;
521
522 if(unidented)
523 {
524 if(*target_p->username == '~')
525 ident_count++;
526 }
527 else if(irccmp(target_p->username, client_p->username) == 0)
528 ident_count++;
529
530 if(ConfMaxLocal(aconf) && local_count >= ConfMaxLocal(aconf))
531 return (TOO_MANY_LOCAL);
532 else if(ConfMaxGlobal(aconf) && global_count >= ConfMaxGlobal(aconf))
533 return (TOO_MANY_GLOBAL);
534 else if(ConfMaxIdent(aconf) && ident_count >= ConfMaxIdent(aconf))
535 return (TOO_MANY_IDENT);
536 }
537
538
539 return (attach_conf(client_p, aconf));
540 }
541
542 /*
543 * detach_conf
544 *
545 * inputs - pointer to client to detach
546 * output - 0 for success, -1 for failure
547 * side effects - Disassociate configuration from the client.
548 * Also removes a class from the list if marked for deleting.
549 */
550 int
551 detach_conf(struct Client *client_p)
552 {
553 struct ConfItem *aconf;
554
555 aconf = client_p->localClient->att_conf;
556
557 if(aconf != NULL)
558 {
559 if(ClassPtr(aconf))
560 {
561 remove_ip_limit(client_p, aconf);
562
563 if(ConfCurrUsers(aconf) > 0)
564 --ConfCurrUsers(aconf);
565
566 if(ConfMaxUsers(aconf) == -1 && ConfCurrUsers(aconf) == 0)
567 {
568 free_class(ClassPtr(aconf));
569 ClassPtr(aconf) = NULL;
570 }
571
572 }
573
574 aconf->clients--;
575 if(!aconf->clients && IsIllegal(aconf))
576 free_conf(aconf);
577
578 client_p->localClient->att_conf = NULL;
579 return 0;
580 }
581
582 return -1;
583 }
584
585 /*
586 * attach_conf
587 *
588 * inputs - client pointer
589 * - conf pointer
590 * output -
591 * side effects - Associate a specific configuration entry to a *local*
592 * client (this is the one which used in accepting the
593 * connection). Note, that this automatically changes the
594 * attachment if there was an old one...
595 */
596 int
597 attach_conf(struct Client *client_p, struct ConfItem *aconf)
598 {
599 if(IsIllegal(aconf))
600 return (NOT_AUTHORISED);
601
602 if(ClassPtr(aconf))
603 {
604 if(!add_ip_limit(client_p, aconf))
605 return (TOO_MANY_LOCAL);
606 }
607
608 if((aconf->status & CONF_CLIENT) &&
609 ConfCurrUsers(aconf) >= ConfMaxUsers(aconf) && ConfMaxUsers(aconf) > 0)
610 {
611 if(!IsConfExemptLimits(aconf))
612 {
613 return (I_LINE_FULL);
614 }
615 else
616 {
617 sendto_one_notice(client_p, ":*** I: line is full, but you have an >I: line!");
618 }
619
620 }
621
622 if(client_p->localClient->att_conf != NULL)
623 detach_conf(client_p);
624
625 client_p->localClient->att_conf = aconf;
626
627 aconf->clients++;
628 ConfCurrUsers(aconf)++;
629 return (0);
630 }
631
632 /*
633 * rehash
634 *
635 * Actual REHASH service routine. Called with sig == 0 if it has been called
636 * as a result of an operator issuing this command, else assume it has been
637 * called as a result of the server receiving a HUP signal.
638 */
639 int
640 rehash(int sig)
641 {
642 if(sig != 0)
643 {
644 sendto_realops_snomask(SNO_GENERAL, L_ALL,
645 "Got signal SIGHUP, reloading ircd conf. file");
646 }
647
648 rehash_authd();
649 /* don't close listeners until we know we can go ahead with the rehash */
650 read_conf_files(NO);
651
652 if(ServerInfo.description != NULL)
653 rb_strlcpy(me.info, ServerInfo.description, sizeof(me.info));
654 else
655 rb_strlcpy(me.info, "unknown", sizeof(me.info));
656
657 open_logfiles();
658 return (0);
659 }
660
661 void
662 rehash_bans(int sig)
663 {
664 bandb_rehash_bans();
665 }
666
667 /*
668 * set_default_conf()
669 *
670 * inputs - NONE
671 * output - NONE
672 * side effects - Set default values here.
673 * This is called **PRIOR** to parsing the
674 * configuration file. If you want to do some validation
675 * of values later, put them in validate_conf().
676 */
677
678 static void
679 set_default_conf(void)
680 {
681 /* ServerInfo.name is not rehashable */
682 /* ServerInfo.name = ServerInfo.name; */
683 ServerInfo.description = NULL;
684 ServerInfo.network_name = NULL;
685
686 memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
687 ServerInfo.specific_ipv4_vhost = 0;
688 #ifdef RB_IPV6
689 memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
690 ServerInfo.specific_ipv6_vhost = 0;
691 #endif
692
693 /* Don't reset hub, as that will break lazylinks */
694 /* ServerInfo.hub = false; */
695 AdminInfo.name = NULL;
696 AdminInfo.email = NULL;
697 AdminInfo.description = NULL;
698
699 ConfigFileEntry.default_operstring = NULL;
700 ConfigFileEntry.default_adminstring = NULL;
701 ConfigFileEntry.servicestring = NULL;
702 ConfigFileEntry.sasl_service = NULL;
703
704 ConfigFileEntry.default_umodes = UMODE_INVISIBLE;
705 ConfigFileEntry.failed_oper_notice = true;
706 ConfigFileEntry.anti_nick_flood = false;
707 ConfigFileEntry.disable_fake_channels = false;
708 ConfigFileEntry.max_nick_time = 20;
709 ConfigFileEntry.max_nick_changes = 5;
710 ConfigFileEntry.max_accept = 20;
711 ConfigFileEntry.max_monitor = 60;
712 ConfigFileEntry.nick_delay = 900; /* 15 minutes */
713 ConfigFileEntry.target_change = true;
714 ConfigFileEntry.anti_spam_exit_message_time = 0;
715 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
716 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
717 ConfigFileEntry.client_exit = true;
718 ConfigFileEntry.dline_with_reason = true;
719 ConfigFileEntry.kline_with_reason = true;
720 ConfigFileEntry.kline_delay = 0;
721 ConfigFileEntry.warn_no_nline = true;
722 ConfigFileEntry.non_redundant_klines = true;
723 ConfigFileEntry.stats_e_disabled = false;
724 ConfigFileEntry.stats_o_oper_only = false;
725 ConfigFileEntry.stats_k_oper_only = 1; /* masked */
726 ConfigFileEntry.stats_i_oper_only = 1; /* masked */
727 ConfigFileEntry.stats_P_oper_only = false;
728 ConfigFileEntry.stats_c_oper_only = false;
729 ConfigFileEntry.stats_y_oper_only = false;
730 ConfigFileEntry.stats_h_oper_only = false;
731 ConfigFileEntry.map_oper_only = true;
732 ConfigFileEntry.operspy_admin_only = false;
733 ConfigFileEntry.pace_wait = 10;
734 ConfigFileEntry.caller_id_wait = 60;
735 ConfigFileEntry.pace_wait_simple = 1;
736 ConfigFileEntry.short_motd = false;
737 ConfigFileEntry.no_oper_flood = false;
738 ConfigFileEntry.fname_userlog = NULL;
739 ConfigFileEntry.fname_fuserlog = NULL;
740 ConfigFileEntry.fname_operlog = NULL;
741 ConfigFileEntry.fname_foperlog = NULL;
742 ConfigFileEntry.fname_serverlog = NULL;
743 ConfigFileEntry.fname_killlog = NULL;
744 ConfigFileEntry.fname_klinelog = NULL;
745 ConfigFileEntry.fname_operspylog = NULL;
746 ConfigFileEntry.fname_ioerrorlog = NULL;
747 ConfigFileEntry.hide_spoof_ips = true;
748 ConfigFileEntry.hide_error_messages = 1;
749 ConfigFileEntry.dots_in_ident = 0;
750 ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
751 ConfigFileEntry.use_whois_actually = true;
752 ConfigFileEntry.burst_away = false;
753 ConfigFileEntry.collision_fnc = true;
754 ConfigFileEntry.resv_fnc = true;
755 ConfigFileEntry.global_snotices = true;
756 ConfigFileEntry.operspy_dont_care_user_info = false;
757 ConfigFileEntry.use_propagated_bans = true;
758 ConfigFileEntry.max_ratelimit_tokens = 30;
759 ConfigFileEntry.away_interval = 30;
760
761 #ifdef HAVE_LIBZ
762 ConfigFileEntry.compression_level = 4;
763 #endif
764
765 ConfigFileEntry.oper_umodes = UMODE_LOCOPS | UMODE_SERVNOTICE |
766 UMODE_OPERWALL | UMODE_WALLOP;
767 ConfigFileEntry.oper_only_umodes = UMODE_SERVNOTICE;
768 ConfigFileEntry.oper_snomask = SNO_GENERAL;
769
770 ConfigChannel.use_except = true;
771 ConfigChannel.use_invex = true;
772 ConfigChannel.use_forward = true;
773 ConfigChannel.use_knock = true;
774 ConfigChannel.knock_delay = 300;
775 ConfigChannel.knock_delay_channel = 60;
776 ConfigChannel.max_chans_per_user = 15;
777 ConfigChannel.max_chans_per_user_large = 60;
778 ConfigChannel.max_bans = 25;
779 ConfigChannel.max_bans_large = 500;
780 ConfigChannel.only_ascii_channels = false;
781 ConfigChannel.burst_topicwho = false;
782 ConfigChannel.kick_on_split_riding = false;
783
784 ConfigChannel.default_split_user_count = 15000;
785 ConfigChannel.default_split_server_count = 10;
786 ConfigChannel.no_join_on_split = false;
787 ConfigChannel.no_create_on_split = true;
788 ConfigChannel.resv_forcepart = true;
789 ConfigChannel.channel_target_change = true;
790 ConfigChannel.disable_local_channels = false;
791 ConfigChannel.displayed_usercount = 3;
792
793 ConfigChannel.autochanmodes = MODE_TOPICLIMIT | MODE_NOPRIVMSGS;
794
795 ConfigServerHide.flatten_links = 0;
796 ConfigServerHide.links_delay = 300;
797 ConfigServerHide.hidden = 0;
798 ConfigServerHide.disable_hidden = 0;
799
800 ConfigFileEntry.min_nonwildcard = 4;
801 ConfigFileEntry.min_nonwildcard_simple = 3;
802 ConfigFileEntry.default_floodcount = 8;
803 ConfigFileEntry.default_ident_timeout = IDENT_TIMEOUT_DEFAULT;
804 ConfigFileEntry.tkline_expire_notices = 0;
805
806 ConfigFileEntry.reject_after_count = 5;
807 ConfigFileEntry.reject_ban_time = 300;
808 ConfigFileEntry.reject_duration = 120;
809 ConfigFileEntry.throttle_count = 4;
810 ConfigFileEntry.throttle_duration = 60;
811
812 ConfigFileEntry.client_flood_max_lines = CLIENT_FLOOD_DEFAULT;
813 ConfigFileEntry.client_flood_burst_rate = 5;
814 ConfigFileEntry.client_flood_burst_max = 5;
815 ConfigFileEntry.client_flood_message_time = 1;
816 ConfigFileEntry.client_flood_message_num = 2;
817
818 ServerInfo.default_max_clients = MAXCONNECTIONS;
819
820 ConfigFileEntry.nicklen = NICKLEN;
821 ConfigFileEntry.certfp_method = RB_SSL_CERTFP_METH_SHA1;
822 ConfigFileEntry.hide_opers_in_whois = 0;
823
824 if (!alias_dict)
825 alias_dict = rb_dictionary_create("alias", strcasecmp);
826 }
827
828 /*
829 * read_conf()
830 *
831 *
832 * inputs - None
833 * output - None
834 * side effects - Read configuration file.
835 */
836 static void
837 read_conf(void)
838 {
839 lineno = 0;
840
841 set_default_conf(); /* Set default values prior to conf parsing */
842 yyparse(); /* Load the values from the conf */
843 validate_conf(); /* Check to make sure some values are still okay. */
844 /* Some global values are also loaded here. */
845 check_class(); /* Make sure classes are valid */
846 privilegeset_delete_all_illegal();
847 construct_cflags_strings();
848 }
849
850 static void
851 validate_conf(void)
852 {
853 if(ConfigFileEntry.default_ident_timeout < 1)
854 ConfigFileEntry.default_ident_timeout = IDENT_TIMEOUT_DEFAULT;
855
856 if(ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
857 ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
858
859 if(ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
860 ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
861
862 if(ServerInfo.network_name == NULL)
863 ServerInfo.network_name = rb_strdup(NETWORK_NAME_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, ServerInfo.ssl_cipher_list))
869 {
870 ilog(L_MAIN, "WARNING: Unable to setup SSL.");
871 ssl_ok = false;
872 } else {
873 ssl_ok = true;
874 send_new_ssl_certs(ServerInfo.ssl_cert, ServerInfo.ssl_private_key, ServerInfo.ssl_dh_params, ServerInfo.ssl_cipher_list);
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, ServerInfo.ssl_cipher_list);
882 }
883
884 /* General conf */
885 if (ConfigFileEntry.default_operstring == NULL)
886 ConfigFileEntry.default_operstring = rb_strdup("is an IRC operator");
887
888 if (ConfigFileEntry.default_adminstring == NULL)
889 ConfigFileEntry.default_adminstring = rb_strdup("is a Server Administrator");
890
891 if (ConfigFileEntry.servicestring == NULL)
892 ConfigFileEntry.servicestring = rb_strdup("is a Network Service");
893
894 if (ConfigFileEntry.sasl_service == NULL)
895 ConfigFileEntry.sasl_service = rb_strdup("SaslServ");
896
897 /* RFC 1459 says 1 message per 2 seconds on average and bursts of
898 * 5 messages are acceptable, so allow at least that.
899 */
900 if(ConfigFileEntry.client_flood_burst_rate < 5)
901 ConfigFileEntry.client_flood_burst_rate = 5;
902 if(ConfigFileEntry.client_flood_burst_max < 5)
903 ConfigFileEntry.client_flood_burst_max = 5;
904 if(ConfigFileEntry.client_flood_message_time >
905 ConfigFileEntry.client_flood_message_num * 2)
906 ConfigFileEntry.client_flood_message_time =
907 ConfigFileEntry.client_flood_message_num * 2;
908
909 if((ConfigFileEntry.client_flood_max_lines < CLIENT_FLOOD_MIN) ||
910 (ConfigFileEntry.client_flood_max_lines > CLIENT_FLOOD_MAX))
911 ConfigFileEntry.client_flood_max_lines = CLIENT_FLOOD_MAX;
912
913 if(!split_users || !split_servers ||
914 (!ConfigChannel.no_create_on_split && !ConfigChannel.no_join_on_split))
915 {
916 rb_event_delete(check_splitmode_ev);
917 check_splitmode_ev = NULL;
918 splitmode = 0;
919 splitchecking = 0;
920 }
921 }
922
923 /* add_temp_kline()
924 *
925 * inputs - pointer to struct ConfItem
926 * output - none
927 * Side effects - links in given struct ConfItem into
928 * temporary kline link list
929 */
930 void
931 add_temp_kline(struct ConfItem *aconf)
932 {
933 if(aconf->hold >= rb_current_time() + (10080 * 60))
934 {
935 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_WEEK]);
936 aconf->port = TEMP_WEEK;
937 }
938 else if(aconf->hold >= rb_current_time() + (1440 * 60))
939 {
940 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_DAY]);
941 aconf->port = TEMP_DAY;
942 }
943 else if(aconf->hold >= rb_current_time() + (60 * 60))
944 {
945 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_HOUR]);
946 aconf->port = TEMP_HOUR;
947 }
948 else
949 {
950 rb_dlinkAddAlloc(aconf, &temp_klines[TEMP_MIN]);
951 aconf->port = TEMP_MIN;
952 }
953
954 aconf->flags |= CONF_FLAGS_TEMPORARY;
955 add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);
956 }
957
958 /* add_temp_dline()
959 *
960 * input - pointer to struct ConfItem
961 * output - none
962 * side effects - added to tdline link list and address hash
963 */
964 void
965 add_temp_dline(struct ConfItem *aconf)
966 {
967 if(aconf->hold >= rb_current_time() + (10080 * 60))
968 {
969 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_WEEK]);
970 aconf->port = TEMP_WEEK;
971 }
972 else if(aconf->hold >= rb_current_time() + (1440 * 60))
973 {
974 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_DAY]);
975 aconf->port = TEMP_DAY;
976 }
977 else if(aconf->hold >= rb_current_time() + (60 * 60))
978 {
979 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_HOUR]);
980 aconf->port = TEMP_HOUR;
981 }
982 else
983 {
984 rb_dlinkAddAlloc(aconf, &temp_dlines[TEMP_MIN]);
985 aconf->port = TEMP_MIN;
986 }
987
988 aconf->flags |= CONF_FLAGS_TEMPORARY;
989 add_conf_by_address(aconf->host, CONF_DLINE, aconf->user, NULL, aconf);
990 }
991
992 /* valid_wild_card()
993 *
994 * input - user buffer, host buffer
995 * output - 0 if invalid, 1 if valid
996 * side effects -
997 */
998 int
999 valid_wild_card(const char *luser, const char *lhost)
1000 {
1001 const char *p;
1002 char tmpch;
1003 int nonwild = 0;
1004 int bitlen;
1005
1006 /* user has no wildcards, always accept -- jilles */
1007 if(!strchr(luser, '?') && !strchr(luser, '*'))
1008 return 1;
1009
1010 /* check there are enough non wildcard chars */
1011 p = luser;
1012 while((tmpch = *p++))
1013 {
1014 if(!IsKWildChar(tmpch))
1015 {
1016 /* found enough chars, return */
1017 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1018 return 1;
1019 }
1020 }
1021
1022 /* try host, as user didnt contain enough */
1023 /* special case for cidr masks -- jilles */
1024 if((p = strrchr(lhost, '/')) != NULL && IsDigit(p[1]))
1025 {
1026 bitlen = atoi(p + 1);
1027 /* much like non-cidr for ipv6, rather arbitrary for ipv4 */
1028 if(bitlen > 0
1029 && bitlen >=
1030 (strchr(lhost, ':') ? 4 * (ConfigFileEntry.min_nonwildcard - nonwild) : 6 -
1031 2 * nonwild))
1032 return 1;
1033 }
1034 else
1035 {
1036 p = lhost;
1037 while((tmpch = *p++))
1038 {
1039 if(!IsKWildChar(tmpch))
1040 if(++nonwild >= ConfigFileEntry.min_nonwildcard)
1041 return 1;
1042 }
1043 }
1044
1045 return 0;
1046 }
1047
1048 rb_dlink_node *
1049 find_prop_ban(unsigned int status, const char *user, const char *host)
1050 {
1051 rb_dlink_node *ptr;
1052 struct ConfItem *aconf;
1053
1054 RB_DLINK_FOREACH(ptr, prop_bans.head)
1055 {
1056 aconf = ptr->data;
1057
1058 if((aconf->status & ~CONF_ILLEGAL) == status &&
1059 (!user || !aconf->user ||
1060 !irccmp(aconf->user, user)) &&
1061 !irccmp(aconf->host, host))
1062 return ptr;
1063 }
1064 return NULL;
1065 }
1066
1067 void
1068 deactivate_conf(struct ConfItem *aconf, rb_dlink_node *ptr, time_t now)
1069 {
1070 int i;
1071
1072 s_assert(ptr->data == aconf);
1073
1074 switch (aconf->status)
1075 {
1076 case CONF_KILL:
1077 if (aconf->lifetime == 0 &&
1078 aconf->flags & CONF_FLAGS_TEMPORARY)
1079 for (i = 0; i < LAST_TEMP_TYPE; i++)
1080 rb_dlinkFindDestroy(aconf, &temp_klines[i]);
1081 /* Make sure delete_one_address_conf() does not
1082 * free the aconf.
1083 */
1084 aconf->clients++;
1085 delete_one_address_conf(aconf->host, aconf);
1086 aconf->clients--;
1087 break;
1088 case CONF_DLINE:
1089 if (aconf->lifetime == 0 &&
1090 aconf->flags & CONF_FLAGS_TEMPORARY)
1091 for (i = 0; i < LAST_TEMP_TYPE; i++)
1092 rb_dlinkFindDestroy(aconf, &temp_dlines[i]);
1093 aconf->clients++;
1094 delete_one_address_conf(aconf->host, aconf);
1095 aconf->clients--;
1096 break;
1097 case CONF_XLINE:
1098 rb_dlinkFindDestroy(aconf, &xline_conf_list);
1099 break;
1100 case CONF_RESV_NICK:
1101 rb_dlinkFindDestroy(aconf, &resv_conf_list);
1102 break;
1103 case CONF_RESV_CHANNEL:
1104 del_from_resv_hash(aconf->host, aconf);
1105 break;
1106 }
1107 if (aconf->lifetime != 0 && now < aconf->lifetime)
1108 aconf->status |= CONF_ILLEGAL;
1109 else
1110 {
1111 if (aconf->lifetime != 0)
1112 rb_dlinkDestroy(ptr, &prop_bans);
1113 free_conf(aconf);
1114 }
1115 }
1116
1117 /* Given a new ban ConfItem, look for any matching ban, update the lifetime
1118 * from it and delete it.
1119 */
1120 void
1121 replace_old_ban(struct ConfItem *aconf)
1122 {
1123 rb_dlink_node *ptr;
1124 struct ConfItem *oldconf;
1125
1126 ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
1127 if(ptr != NULL)
1128 {
1129 oldconf = ptr->data;
1130 /* Remember at least as long as the old one. */
1131 if(oldconf->lifetime > aconf->lifetime)
1132 aconf->lifetime = oldconf->lifetime;
1133 /* Force creation time to increase. */
1134 if(oldconf->created >= aconf->created)
1135 aconf->created = oldconf->created + 1;
1136 /* Leave at least one second of validity. */
1137 if(aconf->hold <= aconf->created)
1138 aconf->hold = aconf->created + 1;
1139 if(aconf->lifetime < aconf->hold)
1140 aconf->lifetime = aconf->hold;
1141 /* Tell deactivate_conf() to destroy it. */
1142 oldconf->lifetime = rb_current_time();
1143 deactivate_conf(oldconf, ptr, oldconf->lifetime);
1144 }
1145 }
1146
1147 static void
1148 expire_prop_bans(void *list)
1149 {
1150 rb_dlink_node *ptr;
1151 rb_dlink_node *next_ptr;
1152 struct ConfItem *aconf;
1153 time_t now;
1154
1155 now = rb_current_time();
1156 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1157 {
1158 aconf = ptr->data;
1159
1160 if(aconf->lifetime <= now ||
1161 (aconf->hold <= now &&
1162 !(aconf->status & CONF_ILLEGAL)))
1163 {
1164 /* Alert opers that a TKline expired - Hwy */
1165 /* XXX show what type of ban it is */
1166 if(ConfigFileEntry.tkline_expire_notices &&
1167 !(aconf->status & CONF_ILLEGAL))
1168 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1169 "Propagated ban for [%s%s%s] expired",
1170 aconf->user ? aconf->user : "",
1171 aconf->user ? "@" : "",
1172 aconf->host ? aconf->host : "*");
1173
1174 /* will destroy or mark illegal */
1175 deactivate_conf(aconf, ptr, now);
1176 }
1177 }
1178 }
1179
1180 /* expire_tkline()
1181 *
1182 * inputs - list pointer
1183 * - type
1184 * output - NONE
1185 * side effects - expire tklines and moves them between lists
1186 */
1187 static void
1188 expire_temp_kd(void *list)
1189 {
1190 rb_dlink_node *ptr;
1191 rb_dlink_node *next_ptr;
1192 struct ConfItem *aconf;
1193
1194 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1195 {
1196 aconf = ptr->data;
1197
1198 if(aconf->hold <= rb_current_time())
1199 {
1200 /* Alert opers that a TKline expired - Hwy */
1201 if(ConfigFileEntry.tkline_expire_notices)
1202 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1203 "Temporary K-line for [%s@%s] expired",
1204 (aconf->user) ? aconf->
1205 user : "*", (aconf->host) ? aconf->host : "*");
1206
1207 delete_one_address_conf(aconf->host, aconf);
1208 rb_dlinkDestroy(ptr, list);
1209 }
1210 }
1211 }
1212
1213 static void
1214 reorganise_temp_kd(void *list)
1215 {
1216 struct ConfItem *aconf;
1217 rb_dlink_node *ptr, *next_ptr;
1218
1219 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, ((rb_dlink_list *) list)->head)
1220 {
1221 aconf = ptr->data;
1222
1223 if(aconf->hold < (rb_current_time() + (60 * 60)))
1224 {
1225 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1226 &temp_klines[TEMP_MIN] : &temp_dlines[TEMP_MIN]);
1227 aconf->port = TEMP_MIN;
1228 }
1229 else if(aconf->port > TEMP_HOUR)
1230 {
1231 if(aconf->hold < (rb_current_time() + (1440 * 60)))
1232 {
1233 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1234 &temp_klines[TEMP_HOUR] : &temp_dlines[TEMP_HOUR]);
1235 aconf->port = TEMP_HOUR;
1236 }
1237 else if(aconf->port > TEMP_DAY &&
1238 (aconf->hold < (rb_current_time() + (10080 * 60))))
1239 {
1240 rb_dlinkMoveNode(ptr, list, (aconf->status == CONF_KILL) ?
1241 &temp_klines[TEMP_DAY] : &temp_dlines[TEMP_DAY]);
1242 aconf->port = TEMP_DAY;
1243 }
1244 }
1245 }
1246 }
1247
1248
1249 /* const char* get_oper_name(struct Client *client_p)
1250 * Input: A client to find the active oper{} name for.
1251 * Output: The nick!user@host{oper} of the oper.
1252 * "oper" is server name for remote opers
1253 * Side effects: None.
1254 */
1255 char *
1256 get_oper_name(struct Client *client_p)
1257 {
1258 /* +5 for !,@,{,} and null */
1259 static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1260
1261 if(MyOper(client_p))
1262 {
1263 snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1264 client_p->name, client_p->username,
1265 client_p->host, client_p->localClient->opername);
1266 return buffer;
1267 }
1268
1269 snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}",
1270 client_p->name, client_p->username,
1271 client_p->host, client_p->servptr->name);
1272 return buffer;
1273 }
1274
1275 /*
1276 * get_printable_conf
1277 *
1278 * inputs - struct ConfItem
1279 *
1280 * output - name
1281 * - host
1282 * - pass
1283 * - user
1284 * - port
1285 *
1286 * side effects -
1287 * Examine the struct struct ConfItem, setting the values
1288 * of name, host, pass, user to values either
1289 * in aconf, or "<NULL>" port is set to aconf->port in all cases.
1290 */
1291 void
1292 get_printable_conf(struct ConfItem *aconf, char **name, char **host,
1293 const char **pass, char **user, int *port, char **classname)
1294 {
1295 static char null[] = "<NULL>";
1296 static char zero[] = "default";
1297
1298 *name = EmptyString(aconf->info.name) ? null : aconf->info.name;
1299 *host = EmptyString(aconf->host) ? null : aconf->host;
1300 *pass = EmptyString(aconf->passwd) ? null : aconf->passwd;
1301 *user = EmptyString(aconf->user) ? null : aconf->user;
1302 *classname = EmptyString(aconf->className) ? zero : aconf->className;
1303 *port = (int) aconf->port;
1304 }
1305
1306 char *
1307 get_user_ban_reason(struct ConfItem *aconf)
1308 {
1309 static char reasonbuf[BUFSIZE];
1310
1311 if (aconf->flags & CONF_FLAGS_TEMPORARY &&
1312 (aconf->status == CONF_KILL || aconf->status == CONF_DLINE))
1313 snprintf(reasonbuf, sizeof reasonbuf,
1314 "Temporary %c-line %d min. - ",
1315 aconf->status == CONF_DLINE ? 'D' : 'K',
1316 (int)((aconf->hold - aconf->created) / 60));
1317 else
1318 reasonbuf[0] = '\0';
1319 if (aconf->passwd)
1320 rb_strlcat(reasonbuf, aconf->passwd, sizeof reasonbuf);
1321 else
1322 rb_strlcat(reasonbuf, "No Reason", sizeof reasonbuf);
1323 if (aconf->created)
1324 {
1325 rb_strlcat(reasonbuf, " (", sizeof reasonbuf);
1326 rb_strlcat(reasonbuf, smalldate(aconf->created),
1327 sizeof reasonbuf);
1328 rb_strlcat(reasonbuf, ")", sizeof reasonbuf);
1329 }
1330 return reasonbuf;
1331 }
1332
1333 void
1334 get_printable_kline(struct Client *source_p, struct ConfItem *aconf,
1335 char **host, char **reason,
1336 char **user, char **oper_reason)
1337 {
1338 static char null[] = "<NULL>";
1339 static char operreasonbuf[BUFSIZE];
1340
1341 *host = EmptyString(aconf->host) ? null : aconf->host;
1342 *user = EmptyString(aconf->user) ? null : aconf->user;
1343 *reason = get_user_ban_reason(aconf);
1344
1345 if(!IsOper(source_p))
1346 *oper_reason = NULL;
1347 else
1348 {
1349 snprintf(operreasonbuf, sizeof operreasonbuf, "%s%s(%s)",
1350 EmptyString(aconf->spasswd) ? "" : aconf->spasswd,
1351 EmptyString(aconf->spasswd) ? "" : " ",
1352 aconf->info.oper);
1353 *oper_reason = operreasonbuf;
1354 }
1355 }
1356
1357 /*
1358 * read_conf_files
1359 *
1360 * inputs - cold start
1361 * output - none
1362 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1363 */
1364 void
1365 read_conf_files(bool cold)
1366 {
1367 const char *filename;
1368
1369 conf_fbfile_in = NULL;
1370
1371 filename = ConfigFileEntry.configfile;
1372
1373 /* We need to know the initial filename for the yyerror() to report
1374 FIXME: The full path is in conffilenamebuf first time since we
1375 dont know anything else
1376
1377 - Gozem 2002-07-21
1378
1379
1380 */
1381 rb_strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1382
1383 if((conf_fbfile_in = fopen(filename, "r")) == NULL)
1384 {
1385 if(cold)
1386 {
1387 inotice("Failed in reading configuration file %s, aborting", filename);
1388 ilog(L_MAIN, "Failed in reading configuration file %s", filename);
1389
1390 int e;
1391 e = errno;
1392
1393 inotice("FATAL: %s %s", strerror(e), filename);
1394 ilog(L_MAIN, "FATAL: %s %s", strerror(e), filename);
1395
1396 exit(-1);
1397 }
1398 else
1399 {
1400 sendto_realops_snomask(SNO_GENERAL, L_ALL,
1401 "Can't open file '%s' - aborting rehash!", filename);
1402 return;
1403 }
1404 }
1405
1406 if(!cold)
1407 {
1408 clear_out_old_conf();
1409 }
1410
1411 call_hook(h_conf_read_start, NULL);
1412 read_conf();
1413 call_hook(h_conf_read_end, NULL);
1414
1415 fclose(conf_fbfile_in);
1416 }
1417
1418 /*
1419 * free an alias{} entry.
1420 */
1421 static void
1422 free_alias_cb(struct DictionaryElement *ptr, void *unused)
1423 {
1424 struct alias_entry *aptr = ptr->data;
1425
1426 rb_free(aptr->name);
1427 rb_free(aptr->target);
1428 rb_free(aptr);
1429 }
1430
1431 /*
1432 * clear_out_old_conf
1433 *
1434 * inputs - none
1435 * output - none
1436 * side effects - Clear out the old configuration
1437 */
1438 static void
1439 clear_out_old_conf(void)
1440 {
1441 struct Class *cltmp;
1442 rb_dlink_node *ptr;
1443 rb_dlink_node *next_ptr;
1444
1445 /*
1446 * don't delete the class table, rather mark all entries
1447 * for deletion. The table is cleaned up by check_class. - avalon
1448 */
1449 RB_DLINK_FOREACH(ptr, class_list.head)
1450 {
1451 cltmp = ptr->data;
1452 MaxUsers(cltmp) = -1;
1453 }
1454
1455 clear_out_address_conf();
1456 clear_s_newconf();
1457
1458 /* clean out module paths */
1459 mod_clear_paths();
1460 mod_add_path(MODULE_DIR);
1461 mod_add_path(MODULE_DIR "/autoload");
1462
1463 /* clean out ServerInfo */
1464 rb_free(ServerInfo.description);
1465 ServerInfo.description = NULL;
1466 rb_free(ServerInfo.network_name);
1467 ServerInfo.network_name = NULL;
1468
1469 ServerInfo.ssld_count = 1;
1470
1471 /* clean out AdminInfo */
1472 rb_free(AdminInfo.name);
1473 AdminInfo.name = NULL;
1474 rb_free(AdminInfo.email);
1475 AdminInfo.email = NULL;
1476 rb_free(AdminInfo.description);
1477 AdminInfo.description = NULL;
1478
1479 /* operator{} and class{} blocks are freed above */
1480 /* clean out listeners */
1481 close_listeners();
1482
1483 /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{}, exempt{}
1484 * and gecos{} blocks are freed above too
1485 */
1486
1487 /* clean out general */
1488 rb_free(ConfigFileEntry.default_operstring);
1489 ConfigFileEntry.default_operstring = NULL;
1490 rb_free(ConfigFileEntry.default_adminstring);
1491 ConfigFileEntry.default_adminstring = NULL;
1492 rb_free(ConfigFileEntry.servicestring);
1493 ConfigFileEntry.servicestring = NULL;
1494 rb_free(ConfigFileEntry.kline_reason);
1495 ConfigFileEntry.kline_reason = NULL;
1496 rb_free(ConfigFileEntry.sasl_service);
1497 ConfigFileEntry.sasl_service = NULL;
1498
1499 /* clean out log */
1500 rb_free(ConfigFileEntry.fname_userlog);
1501 ConfigFileEntry.fname_userlog = NULL;
1502 rb_free(ConfigFileEntry.fname_fuserlog);
1503 ConfigFileEntry.fname_fuserlog = NULL;
1504 rb_free(ConfigFileEntry.fname_operlog);
1505 ConfigFileEntry.fname_operlog = NULL;
1506 rb_free(ConfigFileEntry.fname_foperlog);
1507 ConfigFileEntry.fname_foperlog = NULL;
1508 rb_free(ConfigFileEntry.fname_serverlog);
1509 ConfigFileEntry.fname_serverlog = NULL;
1510 rb_free(ConfigFileEntry.fname_killlog);
1511 ConfigFileEntry.fname_killlog = NULL;
1512 rb_free(ConfigFileEntry.fname_klinelog);
1513 ConfigFileEntry.fname_klinelog = NULL;
1514 rb_free(ConfigFileEntry.fname_operspylog);
1515 ConfigFileEntry.fname_operspylog = NULL;
1516 rb_free(ConfigFileEntry.fname_ioerrorlog);
1517 ConfigFileEntry.fname_ioerrorlog = NULL;
1518
1519 RB_DLINK_FOREACH_SAFE(ptr, next_ptr, service_list.head)
1520 {
1521 rb_free(ptr->data);
1522 rb_dlinkDestroy(ptr, &service_list);
1523 }
1524
1525 /* remove any aliases... -- nenolod */
1526 if (alias_dict != NULL)
1527 {
1528 rb_dictionary_destroy(alias_dict, free_alias_cb, NULL);
1529 alias_dict = NULL;
1530 }
1531
1532 destroy_blacklists();
1533
1534 privilegeset_mark_all_illegal();
1535
1536 /* OK, that should be everything... */
1537 }
1538
1539
1540 /*
1541 * conf_add_class_to_conf
1542 * inputs - pointer to config item
1543 * output - NONE
1544 * side effects - Add a class pointer to a conf
1545 */
1546
1547 void
1548 conf_add_class_to_conf(struct ConfItem *aconf)
1549 {
1550 if(aconf->className == NULL)
1551 {
1552 aconf->className = rb_strdup("default");
1553 ClassPtr(aconf) = default_class;
1554 return;
1555 }
1556
1557 ClassPtr(aconf) = find_class(aconf->className);
1558
1559 if(ClassPtr(aconf) == default_class)
1560 {
1561 if(aconf->status == CONF_CLIENT)
1562 {
1563 conf_report_error(
1564 "Using default class for missing class \"%s\" in auth{} for %s@%s",
1565 aconf->className, aconf->user, aconf->host);
1566 }
1567
1568 rb_free(aconf->className);
1569 aconf->className = rb_strdup("default");
1570 return;
1571 }
1572
1573 if(ConfMaxUsers(aconf) < 0)
1574 {
1575 ClassPtr(aconf) = default_class;
1576 rb_free(aconf->className);
1577 aconf->className = rb_strdup("default");
1578 return;
1579 }
1580 }
1581
1582 /*
1583 * conf_add_d_conf
1584 * inputs - pointer to config item
1585 * output - NONE
1586 * side effects - Add a d/D line
1587 */
1588 void
1589 conf_add_d_conf(struct ConfItem *aconf)
1590 {
1591 if(aconf->host == NULL)
1592 return;
1593
1594 aconf->user = NULL;
1595
1596 /* XXX - Should 'd' ever be in the old conf? For new conf we don't
1597 * need this anyway, so I will disable it for now... -A1kmm
1598 */
1599
1600 if(parse_netmask(aconf->host, NULL, NULL) == HM_HOST)
1601 {
1602 ilog(L_MAIN, "Invalid Dline %s ignored", aconf->host);
1603 free_conf(aconf);
1604 }
1605 else
1606 {
1607 add_conf_by_address(aconf->host, CONF_DLINE, NULL, NULL, aconf);
1608 }
1609 }
1610
1611 static char *
1612 strip_tabs(char *dest, const char *src, size_t len)
1613 {
1614 char *d = dest;
1615
1616 if(dest == NULL || src == NULL)
1617 return NULL;
1618
1619 rb_strlcpy(dest, src, len);
1620
1621 while(*d)
1622 {
1623 if(*d == '\t')
1624 *d = ' ';
1625 d++;
1626 }
1627 return dest;
1628 }
1629
1630 /*
1631 * yyerror
1632 *
1633 * inputs - message from parser
1634 * output - none
1635 * side effects - message to opers and log file entry is made
1636 */
1637 void
1638 yyerror(const char *msg)
1639 {
1640 char newlinebuf[BUFSIZE];
1641
1642 strip_tabs(newlinebuf, linebuf, strlen(linebuf));
1643
1644 ierror("\"%s\", line %d: %s at '%s'", conffilebuf, lineno + 1, msg, newlinebuf);
1645 sendto_realops_snomask(SNO_GENERAL, L_ALL, "\"%s\", line %d: %s at '%s'",
1646 conffilebuf, lineno + 1, msg, newlinebuf);
1647
1648 }
1649
1650 int
1651 conf_fgets(char *lbuf, int max_size, FILE * fb)
1652 {
1653 if(fgets(lbuf, max_size, fb) == NULL)
1654 return (0);
1655
1656 return (strlen(lbuf));
1657 }
1658
1659 int
1660 conf_yy_fatal_error(const char *msg)
1661 {
1662 return (0);
1663 }
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