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root/svn/ircd-hybrid/branches/8.2.x/src/conf.c
Revision: 4627
Committed: Sun Sep 21 09:47:43 2014 UTC (9 years, 6 months ago) by michael
Content type: text/x-csrc
File size: 51814 byte(s)
Log Message:
- conf.c: let get_oper_name() deal with servers. Makes it easier to allow servers to add/remove
  xlines, resvs, etc. without rewriting too much code later on

File Contents

# User Rev Content
1 adx 30 /*
2 michael 2916 * ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3 adx 30 *
4 michael 2916 * Copyright (c) 1997-2014 ircd-hybrid development team
5 adx 30 *
6     * This program is free software; you can redistribute it and/or modify
7     * it under the terms of the GNU General Public License as published by
8     * the Free Software Foundation; either version 2 of the License, or
9     * (at your option) any later version.
10     *
11     * This program is distributed in the hope that it will be useful,
12     * but WITHOUT ANY WARRANTY; without even the implied warranty of
13     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     * GNU General Public License for more details.
15     *
16     * You should have received a copy of the GNU General Public License
17     * along with this program; if not, write to the Free Software
18 michael 4564 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19 adx 30 * USA
20     */
21    
22 michael 2916 /*! \file conf.c
23     * \brief Configuration file functions.
24     * \version $Id$
25     */
26    
27 adx 30 #include "stdinc.h"
28 michael 1011 #include "list.h"
29 adx 30 #include "ircd_defs.h"
30 michael 1309 #include "conf.h"
31 michael 4533 #include "conf_pseudo.h"
32 michael 3347 #include "server.h"
33 adx 30 #include "resv.h"
34     #include "channel.h"
35     #include "client.h"
36     #include "event.h"
37     #include "irc_string.h"
38     #include "s_bsd.h"
39     #include "ircd.h"
40     #include "listener.h"
41     #include "hostmask.h"
42     #include "modules.h"
43     #include "numeric.h"
44     #include "fdlist.h"
45 michael 1309 #include "log.h"
46 adx 30 #include "send.h"
47     #include "memory.h"
48 michael 3322 #include "res.h"
49 adx 30 #include "userhost.h"
50 michael 3347 #include "user.h"
51 adx 30 #include "channel_mode.h"
52 michael 1243 #include "parse.h"
53 michael 3347 #include "misc.h"
54 michael 1622 #include "conf_db.h"
55 michael 1632 #include "conf_class.h"
56 michael 2150 #include "motd.h"
57 michael 4326 #include "ipcache.h"
58 adx 30
59 michael 2872
60 adx 30 /* general conf items link list root, other than k lines etc. */
61 michael 1157 dlink_list service_items = { NULL, NULL, 0 };
62 adx 30 dlink_list server_items = { NULL, NULL, 0 };
63     dlink_list cluster_items = { NULL, NULL, 0 };
64     dlink_list oconf_items = { NULL, NULL, 0 };
65     dlink_list uconf_items = { NULL, NULL, 0 };
66     dlink_list xconf_items = { NULL, NULL, 0 };
67     dlink_list nresv_items = { NULL, NULL, 0 };
68 michael 4079 dlink_list cresv_items = { NULL, NULL, 0 };
69 adx 30
70     extern unsigned int lineno;
71     extern char linebuf[];
72     extern char conffilebuf[IRCD_BUFSIZE];
73     extern int yyparse(); /* defined in y.tab.c */
74    
75     /* internally defined functions */
76 michael 1325 static void read_conf(FILE *);
77 adx 30 static void clear_out_old_conf(void);
78     static void expire_tklines(dlink_list *);
79 michael 1644 static int verify_access(struct Client *);
80 michael 1632 static int attach_iline(struct Client *, struct MaskItem *);
81     static dlink_list *map_to_list(enum maskitem_type);
82 adx 30 static int find_user_host(struct Client *, char *, char *, char *, unsigned int);
83    
84    
85     /* conf_dns_callback()
86     *
87 michael 1632 * inputs - pointer to struct MaskItem
88 adx 30 * - pointer to DNSReply reply
89     * output - none
90     * side effects - called when resolver query finishes
91     * if the query resulted in a successful search, hp will contain
92     * a non-null pointer, otherwise hp will be null.
93     * if successful save hp in the conf item it was called with
94     */
95     static void
96 michael 4409 conf_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name, size_t namelength)
97 adx 30 {
98 michael 1632 struct MaskItem *conf = vptr;
99 adx 30
100 michael 1632 conf->dns_pending = 0;
101 adx 30
102 michael 3235 if (addr)
103 michael 1632 memcpy(&conf->addr, addr, sizeof(conf->addr));
104 michael 992 else
105 michael 1632 conf->dns_failed = 1;
106 adx 30 }
107    
108     /* conf_dns_lookup()
109     *
110     * do a nameserver lookup of the conf host
111     * if the conf entry is currently doing a ns lookup do nothing, otherwise
112     * allocate a dns_query and start ns lookup.
113     */
114     static void
115 michael 1632 conf_dns_lookup(struct MaskItem *conf)
116 adx 30 {
117 michael 1632 if (!conf->dns_pending)
118 adx 30 {
119 michael 1632 conf->dns_pending = 1;
120 michael 4459
121     if (conf->aftype == AF_INET)
122     gethost_byname_type(conf_dns_callback, conf, conf->host, T_A);
123     else
124     gethost_byname_type(conf_dns_callback, conf, conf->host, T_AAAA);
125 adx 30 }
126     }
127    
128 michael 1632 struct MaskItem *
129     conf_make(enum maskitem_type type)
130     {
131 michael 3505 struct MaskItem *conf = MyCalloc(sizeof(*conf));
132 michael 1632 dlink_list *list = NULL;
133    
134     conf->type = type;
135     conf->active = 1;
136     conf->aftype = AF_INET;
137    
138     if ((list = map_to_list(type)))
139     dlinkAdd(conf, &conf->node, list);
140     return conf;
141     }
142    
143     void
144     conf_free(struct MaskItem *conf)
145     {
146     dlink_node *ptr = NULL, *ptr_next = NULL;
147 michael 1636 dlink_list *list = NULL;
148    
149 michael 4510 if ((list = map_to_list(conf->type)))
150 michael 4522 dlinkFindDelete(list, conf);
151 michael 4510
152 michael 1632 MyFree(conf->name);
153    
154     if (conf->dns_pending)
155     delete_resolver_queries(conf);
156 michael 3235 if (conf->passwd)
157 michael 1632 memset(conf->passwd, 0, strlen(conf->passwd));
158 michael 3235 if (conf->spasswd)
159 michael 1632 memset(conf->spasswd, 0, strlen(conf->spasswd));
160    
161     conf->class = NULL;
162    
163     MyFree(conf->passwd);
164     MyFree(conf->spasswd);
165     MyFree(conf->reason);
166 michael 2228 MyFree(conf->certfp);
167 michael 1632 MyFree(conf->user);
168     MyFree(conf->host);
169     #ifdef HAVE_LIBCRYPTO
170     MyFree(conf->cipher_list);
171    
172     if (conf->rsa_public_key)
173     RSA_free(conf->rsa_public_key);
174     #endif
175     DLINK_FOREACH_SAFE(ptr, ptr_next, conf->hub_list.head)
176     {
177     MyFree(ptr->data);
178 michael 2736 dlinkDelete(ptr, &conf->hub_list);
179 michael 1632 free_dlink_node(ptr);
180     }
181    
182     DLINK_FOREACH_SAFE(ptr, ptr_next, conf->leaf_list.head)
183     {
184     MyFree(ptr->data);
185 michael 2736 dlinkDelete(ptr, &conf->leaf_list);
186 michael 1632 free_dlink_node(ptr);
187     }
188 adx 30
189 michael 1858 DLINK_FOREACH_SAFE(ptr, ptr_next, conf->exempt_list.head)
190     {
191     struct exempt *exptr = ptr->data;
192    
193 michael 2736 dlinkDelete(ptr, &conf->exempt_list);
194 michael 1858 MyFree(exptr->name);
195     MyFree(exptr->user);
196     MyFree(exptr->host);
197     MyFree(exptr);
198     }
199    
200 michael 1636 MyFree(conf);
201 adx 30 }
202    
203     /* check_client()
204     *
205     * inputs - pointer to client
206     * output - 0 = Success
207     * NOT_AUTHORIZED (-1) = Access denied (no I line match)
208     * IRCD_SOCKET_ERROR (-2) = Bad socket.
209     * I_LINE_FULL (-3) = I-line is full
210     * TOO_MANY (-4) = Too many connections from hostname
211     * BANNED_CLIENT (-5) = K-lined
212     * side effects - Ordinary client access check.
213     * Look for conf lines which have the same
214     * status as the flags passed.
215     */
216 michael 1644 int
217     check_client(struct Client *source_p)
218 adx 30 {
219     int i;
220 michael 2916
221 michael 1644 if ((i = verify_access(source_p)))
222 michael 2916 ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
223 adx 30 source_p->name, source_p->sockhost);
224    
225     switch (i)
226     {
227     case TOO_MANY:
228 michael 1618 sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
229 adx 30 "Too many on IP for %s (%s).",
230 michael 2182 get_client_name(source_p, SHOW_IP),
231     source_p->sockhost);
232 michael 1247 ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
233 michael 2182 get_client_name(source_p, SHOW_IP));
234 michael 896 ++ServerStats.is_ref;
235 michael 3171 exit_client(source_p, "No more connections allowed on that IP");
236 adx 30 break;
237    
238     case I_LINE_FULL:
239 michael 1618 sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
240     "auth{} block is full for %s (%s).",
241 michael 2182 get_client_name(source_p, SHOW_IP),
242     source_p->sockhost);
243 michael 1247 ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
244 michael 2182 get_client_name(source_p, SHOW_IP));
245 michael 896 ++ServerStats.is_ref;
246 michael 3171 exit_client(source_p, "No more connections allowed in your connection class");
247 adx 30 break;
248    
249     case NOT_AUTHORIZED:
250 michael 896 ++ServerStats.is_ref;
251 adx 30 /* jdc - lists server name & port connections are on */
252     /* a purely cosmetical change */
253 michael 1618 sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
254 michael 2182 "Unauthorized client connection from %s [%s] on [%s/%u].",
255     get_client_name(source_p, SHOW_IP),
256     source_p->sockhost,
257 michael 4589 source_p->connection->listener->name,
258     source_p->connection->listener->port);
259 michael 1247 ilog(LOG_TYPE_IRCD,
260 michael 2182 "Unauthorized client connection from %s on [%s/%u].",
261     get_client_name(source_p, SHOW_IP),
262 michael 4589 source_p->connection->listener->name,
263     source_p->connection->listener->port);
264 adx 30
265 michael 3171 exit_client(source_p, "You are not authorized to use this server");
266 adx 30 break;
267 michael 891
268 adx 30 case BANNED_CLIENT:
269 michael 3171 exit_client(source_p, "Banned");
270 michael 896 ++ServerStats.is_ref;
271 adx 30 break;
272    
273     case 0:
274     default:
275     break;
276     }
277    
278 michael 1644 return (i < 0 ? 0 : 1);
279 adx 30 }
280    
281     /* verify_access()
282     *
283     * inputs - pointer to client to verify
284     * output - 0 if success -'ve if not
285     * side effect - find the first (best) I line to attach.
286     */
287     static int
288 michael 1644 verify_access(struct Client *client_p)
289 adx 30 {
290 michael 1949 struct MaskItem *conf = NULL;
291 michael 3215 char non_ident[USERLEN + 1] = "~";
292 adx 30
293     if (IsGotId(client_p))
294     {
295 michael 1632 conf = find_address_conf(client_p->host, client_p->username,
296 michael 4589 &client_p->connection->ip,
297     client_p->connection->aftype,
298     client_p->connection->password);
299 adx 30 }
300     else
301     {
302 michael 2182 strlcpy(non_ident + 1, client_p->username, sizeof(non_ident) - 1);
303 michael 1632 conf = find_address_conf(client_p->host,non_ident,
304 michael 4589 &client_p->connection->ip,
305     client_p->connection->aftype,
306     client_p->connection->password);
307 adx 30 }
308    
309 michael 3215 if (conf)
310 adx 30 {
311 michael 1921 if (IsConfClient(conf))
312 adx 30 {
313 michael 1632 if (IsConfRedir(conf))
314 adx 30 {
315 michael 3109 sendto_one_numeric(client_p, &me, RPL_REDIR,
316     conf->name ? conf->name : "",
317     conf->port);
318 michael 2182 return NOT_AUTHORIZED;
319 adx 30 }
320    
321 michael 1632 if (IsConfDoIdentd(conf))
322 michael 2182 SetNeedId(client_p);
323 adx 30
324     /* Thanks for spoof idea amm */
325 michael 1632 if (IsConfDoSpoofIp(conf))
326 adx 30 {
327 michael 4341 if (!ConfigGeneral.hide_spoof_ips && IsConfSpoofNotice(conf))
328 michael 1618 sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
329     "%s spoofing: %s as %s",
330 adx 30 client_p->name, client_p->host, conf->name);
331     strlcpy(client_p->host, conf->name, sizeof(client_p->host));
332 michael 2138 AddFlag(client_p, FLAGS_IP_SPOOFING | FLAGS_AUTH_SPOOF);
333 adx 30 }
334    
335 michael 2182 return attach_iline(client_p, conf);
336 adx 30 }
337 michael 4341 else if (IsConfKill(conf) || (ConfigGeneral.glines && IsConfGline(conf)))
338 adx 30 {
339 michael 1632 if (IsConfGline(conf))
340 michael 3110 sendto_one_notice(client_p, &me, ":*** G-lined");
341     sendto_one_notice(client_p, &me, ":*** Banned: %s", conf->reason);
342 michael 2182 return BANNED_CLIENT;
343 adx 30 }
344     }
345    
346 michael 2182 return NOT_AUTHORIZED;
347 adx 30 }
348    
349     /* attach_iline()
350     *
351     * inputs - client pointer
352     * - conf pointer
353     * output -
354     * side effects - do actual attach
355     */
356     static int
357 michael 1632 attach_iline(struct Client *client_p, struct MaskItem *conf)
358 adx 30 {
359 michael 4331 const struct ClassItem *class = conf->class;
360 adx 30 struct ip_entry *ip_found;
361     int a_limit_reached = 0;
362 michael 1644 unsigned int local = 0, global = 0, ident = 0;
363 adx 30
364 michael 4589 ip_found = ipcache_find_or_add_address(&client_p->connection->ip);
365 adx 30 ip_found->count++;
366 michael 4401 AddFlag(client_p, FLAGS_IPHASH);
367 adx 30
368     count_user_host(client_p->username, client_p->host,
369     &global, &local, &ident);
370    
371     /* XXX blah. go down checking the various silly limits
372     * setting a_limit_reached if any limit is reached.
373     * - Dianora
374     */
375 michael 3375 if (class->max_total && class->ref_count >= class->max_total)
376 adx 30 a_limit_reached = 1;
377 michael 3375 else if (class->max_perip && ip_found->count > class->max_perip)
378 adx 30 a_limit_reached = 1;
379 michael 3375 else if (class->max_local && local >= class->max_local)
380 adx 30 a_limit_reached = 1;
381 michael 3375 else if (class->max_global && global >= class->max_global)
382 adx 30 a_limit_reached = 1;
383 michael 3375 else if (class->max_ident && ident >= class->max_ident &&
384 adx 30 client_p->username[0] != '~')
385     a_limit_reached = 1;
386    
387     if (a_limit_reached)
388     {
389 michael 1632 if (!IsConfExemptLimits(conf))
390 michael 624 return TOO_MANY; /* Already at maximum allowed */
391 adx 30
392 michael 3110 sendto_one_notice(client_p, &me, ":*** Your connection class is full, "
393     "but you have exceed_limit = yes;");
394 adx 30 }
395    
396     return attach_conf(client_p, conf);
397     }
398    
399     /* detach_conf()
400     *
401     * inputs - pointer to client to detach
402     * - type of conf to detach
403     * output - 0 for success, -1 for failure
404     * side effects - Disassociate configuration from the client.
405     * Also removes a class from the list if marked for deleting.
406     */
407 michael 1632 void
408     detach_conf(struct Client *client_p, enum maskitem_type type)
409 adx 30 {
410 michael 3235 dlink_node *ptr = NULL, *ptr_next = NULL;
411 adx 30
412 michael 4589 DLINK_FOREACH_SAFE(ptr, ptr_next, client_p->connection->confs.head)
413 adx 30 {
414 michael 1645 struct MaskItem *conf = ptr->data;
415 adx 30
416 michael 1645 assert(conf->type & (CONF_CLIENT | CONF_OPER | CONF_SERVER));
417     assert(conf->ref_count > 0);
418     assert(conf->class->ref_count > 0);
419 adx 30
420 michael 1645 if (!(conf->type & type))
421     continue;
422 michael 671
423 michael 4589 dlinkDelete(ptr, &client_p->connection->confs);
424 michael 1645 free_dlink_node(ptr);
425 michael 1644
426 michael 2278 if (conf->type == CONF_CLIENT)
427 michael 4589 remove_from_cidr_check(&client_p->connection->ip, conf->class);
428 adx 30
429 michael 1645 if (--conf->class->ref_count == 0 && conf->class->active == 0)
430     {
431     class_free(conf->class);
432     conf->class = NULL;
433 adx 30 }
434 michael 1645
435     if (--conf->ref_count == 0 && conf->active == 0)
436     conf_free(conf);
437 adx 30 }
438     }
439    
440     /* attach_conf()
441     *
442     * inputs - client pointer
443     * - conf pointer
444     * output -
445     * side effects - Associate a specific configuration entry to a *local*
446     * client (this is the one which used in accepting the
447     * connection). Note, that this automatically changes the
448     * attachment if there was an old one...
449     */
450     int
451 michael 1632 attach_conf(struct Client *client_p, struct MaskItem *conf)
452 adx 30 {
453 michael 4589 if (dlinkFind(&client_p->connection->confs, conf))
454 adx 30 return 1;
455    
456 michael 1632 if (conf->type == CONF_CLIENT)
457     if (cidr_limit_reached(IsConfExemptLimits(conf),
458 michael 4589 &client_p->connection->ip, conf->class))
459 michael 1394 return TOO_MANY; /* Already at maximum allowed */
460 adx 30
461 michael 1632 conf->class->ref_count++;
462 michael 1644 conf->ref_count++;
463 adx 30
464 michael 4589 dlinkAdd(conf, make_dlink_node(), &client_p->connection->confs);
465 adx 30
466     return 0;
467     }
468    
469     /* attach_connect_block()
470     *
471     * inputs - pointer to server to attach
472     * - name of server
473     * - hostname of server
474     * output - true (1) if both are found, otherwise return false (0)
475     * side effects - find connect block and attach them to connecting client
476     */
477     int
478     attach_connect_block(struct Client *client_p, const char *name,
479     const char *host)
480     {
481     dlink_node *ptr;
482 michael 1632 struct MaskItem *conf = NULL;
483 adx 30
484     assert(client_p != NULL);
485     assert(host != NULL);
486    
487     if (client_p == NULL || host == NULL)
488     return 0;
489    
490     DLINK_FOREACH(ptr, server_items.head)
491     {
492     conf = ptr->data;
493    
494 michael 1652 if (match(conf->name, name) || match(conf->host, host))
495 adx 30 continue;
496    
497     attach_conf(client_p, conf);
498     return -1;
499     }
500    
501     return 0;
502     }
503    
504     /* find_conf_name()
505     *
506     * inputs - pointer to conf link list to search
507     * - pointer to name to find
508     * - int mask of type of conf to find
509     * output - NULL or pointer to conf found
510     * side effects - find a conf entry which matches the name
511     * and has the given mask.
512     */
513 michael 1632 struct MaskItem *
514     find_conf_name(dlink_list *list, const char *name, enum maskitem_type type)
515 adx 30 {
516     dlink_node *ptr;
517 michael 1632 struct MaskItem* conf;
518 adx 30
519     DLINK_FOREACH(ptr, list->head)
520     {
521     conf = ptr->data;
522 michael 2916
523 adx 30 if (conf->type == type)
524     {
525 michael 4597 if (conf->name && !irccmp(conf->name, name))
526     return conf;
527 adx 30 }
528     }
529    
530     return NULL;
531     }
532    
533     /* map_to_list()
534     *
535     * inputs - ConfType conf
536     * output - pointer to dlink_list to use
537     * side effects - none
538     */
539     static dlink_list *
540 michael 1632 map_to_list(enum maskitem_type type)
541 adx 30 {
542     switch(type)
543     {
544 michael 1632 case CONF_XLINE:
545 adx 30 return(&xconf_items);
546     break;
547 michael 1632 case CONF_ULINE:
548 adx 30 return(&uconf_items);
549     break;
550 michael 1632 case CONF_NRESV:
551 adx 30 return(&nresv_items);
552     break;
553 michael 1825 case CONF_CRESV:
554 michael 2174 return(&cresv_items);
555 michael 1632 case CONF_OPER:
556 adx 30 return(&oconf_items);
557     break;
558 michael 1632 case CONF_SERVER:
559 adx 30 return(&server_items);
560     break;
561 michael 1632 case CONF_SERVICE:
562 michael 1172 return(&service_items);
563     break;
564 michael 1632 case CONF_CLUSTER:
565 adx 30 return(&cluster_items);
566     break;
567     default:
568     return NULL;
569     }
570     }
571    
572     /* find_matching_name_conf()
573     *
574     * inputs - type of link list to look in
575     * - pointer to name string to find
576     * - pointer to user
577     * - pointer to host
578 michael 1644 * - optional flags to match on as well
579 michael 1632 * output - NULL or pointer to found struct MaskItem
580 adx 30 * side effects - looks for a match on name field
581     */
582 michael 1632 struct MaskItem *
583     find_matching_name_conf(enum maskitem_type type, const char *name, const char *user,
584 michael 1644 const char *host, unsigned int flags)
585 adx 30 {
586     dlink_node *ptr=NULL;
587 michael 1632 struct MaskItem *conf=NULL;
588 adx 30 dlink_list *list_p = map_to_list(type);
589    
590     switch (type)
591     {
592 michael 1632 case CONF_SERVICE:
593 michael 1157 DLINK_FOREACH(ptr, list_p->head)
594     {
595     conf = ptr->data;
596    
597     if (EmptyString(conf->name))
598     continue;
599     if ((name != NULL) && !irccmp(name, conf->name))
600     return conf;
601     }
602     break;
603    
604 michael 1632 case CONF_XLINE:
605     case CONF_ULINE:
606     case CONF_NRESV:
607 michael 1825 case CONF_CRESV:
608 adx 30 DLINK_FOREACH(ptr, list_p->head)
609     {
610     conf = ptr->data;
611    
612     if (EmptyString(conf->name))
613 michael 2182 continue;
614 michael 1653 if ((name != NULL) && !match(conf->name, name))
615 adx 30 {
616 michael 2182 if ((user == NULL && (host == NULL)))
617     return conf;
618     if ((conf->flags & flags) != flags)
619 adx 30 continue;
620 michael 2182 if (EmptyString(conf->user) || EmptyString(conf->host))
621     return conf;
622     if (!match(conf->user, user) && !match(conf->host, host))
623     return conf;
624 adx 30 }
625     }
626     break;
627    
628 michael 1632 case CONF_SERVER:
629 adx 30 DLINK_FOREACH(ptr, list_p->head)
630     {
631     conf = ptr->data;
632    
633 michael 1652 if ((name != NULL) && !match(name, conf->name))
634 adx 30 return conf;
635 michael 1652 else if ((host != NULL) && !match(host, conf->host))
636 adx 30 return conf;
637     }
638     break;
639 michael 2916
640 adx 30 default:
641     break;
642     }
643     return NULL;
644     }
645    
646     /* find_exact_name_conf()
647     *
648     * inputs - type of link list to look in
649     * - pointer to name string to find
650     * - pointer to user
651     * - pointer to host
652 michael 1632 * output - NULL or pointer to found struct MaskItem
653 adx 30 * side effects - looks for an exact match on name field
654     */
655 michael 1632 struct MaskItem *
656     find_exact_name_conf(enum maskitem_type type, const struct Client *who, const char *name,
657 adx 30 const char *user, const char *host)
658     {
659     dlink_node *ptr = NULL;
660 michael 1632 struct MaskItem *conf;
661     dlink_list *list_p = map_to_list(type);
662 adx 30
663     switch(type)
664     {
665 michael 1632 case CONF_XLINE:
666     case CONF_ULINE:
667     case CONF_NRESV:
668 michael 1825 case CONF_CRESV:
669 adx 30
670     DLINK_FOREACH(ptr, list_p->head)
671     {
672     conf = ptr->data;
673 michael 1632
674 adx 30 if (EmptyString(conf->name))
675 michael 2182 continue;
676 michael 2916
677 adx 30 if (irccmp(conf->name, name) == 0)
678     {
679 michael 2182 if ((user == NULL && (host == NULL)))
680     return conf;
681     if (EmptyString(conf->user) || EmptyString(conf->host))
682     return conf;
683     if (!match(conf->user, user) && !match(conf->host, host))
684     return conf;
685 adx 30 }
686     }
687     break;
688    
689 michael 1632 case CONF_OPER:
690 adx 30 DLINK_FOREACH(ptr, list_p->head)
691     {
692     conf = ptr->data;
693 michael 1285
694 adx 30 if (EmptyString(conf->name))
695 michael 1285 continue;
696    
697     if (!irccmp(conf->name, name))
698 adx 30 {
699 michael 1285 if (!who)
700     return conf;
701 michael 1632 if (EmptyString(conf->user) || EmptyString(conf->host))
702 michael 1636 return NULL;
703 michael 1652 if (!match(conf->user, who->username))
704 michael 1285 {
705 michael 1632 switch (conf->htype)
706 michael 1285 {
707     case HM_HOST:
708 michael 1652 if (!match(conf->host, who->host) || !match(conf->host, who->sockhost))
709 michael 1637 if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
710     return conf;
711 michael 1285 break;
712     case HM_IPV4:
713 michael 4589 if (who->connection->aftype == AF_INET)
714     if (match_ipv4(&who->connection->ip, &conf->addr, conf->bits))
715 michael 1637 if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
716     return conf;
717 michael 1285 break;
718     case HM_IPV6:
719 michael 4589 if (who->connection->aftype == AF_INET6)
720     if (match_ipv6(&who->connection->ip, &conf->addr, conf->bits))
721 michael 1637 if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
722     return conf;
723 michael 1285 break;
724     default:
725     assert(0);
726     }
727     }
728 adx 30 }
729     }
730 michael 1285
731 adx 30 break;
732    
733 michael 1632 case CONF_SERVER:
734 adx 30 DLINK_FOREACH(ptr, list_p->head)
735     {
736     conf = ptr->data;
737 michael 1632
738 adx 30 if (EmptyString(conf->name))
739 michael 2182 continue;
740 michael 2916
741 adx 30 if (name == NULL)
742     {
743 michael 2182 if (EmptyString(conf->host))
744     continue;
745     if (irccmp(conf->host, host) == 0)
746     return conf;
747 adx 30 }
748     else if (irccmp(conf->name, name) == 0)
749 michael 2182 return conf;
750 adx 30 }
751 michael 2182
752 adx 30 break;
753    
754     default:
755     break;
756     }
757 michael 2182
758     return NULL;
759 adx 30 }
760    
761     /* rehash()
762     *
763     * Actual REHASH service routine. Called with sig == 0 if it has been called
764     * as a result of an operator issuing this command, else assume it has been
765     * called as a result of the server receiving a HUP signal.
766     */
767     int
768     rehash(int sig)
769     {
770 michael 3235 if (sig)
771 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
772 michael 2830 "Got signal SIGHUP, reloading configuration file(s)");
773 adx 30
774     restart_resolver();
775 michael 1001
776 adx 30 /* don't close listeners until we know we can go ahead with the rehash */
777    
778     read_conf_files(0);
779    
780     load_conf_modules();
781 michael 3930 check_conf_klines();
782 adx 30
783 michael 1831 return 0;
784 adx 30 }
785    
786     /* set_default_conf()
787     *
788     * inputs - NONE
789     * output - NONE
790     * side effects - Set default values here.
791     * This is called **PRIOR** to parsing the
792     * configuration file. If you want to do some validation
793     * of values later, put them in validate_conf().
794     */
795     static void
796     set_default_conf(void)
797     {
798     /* verify init_class() ran, this should be an unnecessary check
799     * but its not much work.
800     */
801 michael 1644 assert(class_default == class_get_list()->tail->data);
802 adx 30
803     #ifdef HAVE_LIBCRYPTO
804 michael 4495 #if OPENSSL_VERSION_NUMBER >= 0x1000005FL && !defined(OPENSSL_NO_ECDH)
805     {
806     EC_KEY *key = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
807    
808     if (key)
809     {
810     SSL_CTX_set_tmp_ecdh(ConfigServerInfo.server_ctx, key);
811     EC_KEY_free(key);
812     }
813     }
814    
815     SSL_CTX_set_options(ConfigServerInfo.server_ctx, SSL_OP_SINGLE_ECDH_USE);
816     #endif
817    
818 michael 4341 ConfigServerInfo.message_digest_algorithm = EVP_sha256();
819     ConfigServerInfo.rsa_private_key = NULL;
820     ConfigServerInfo.rsa_private_key_file = NULL;
821 adx 30 #endif
822    
823 michael 4341 /* ConfigServerInfo.name is not rehashable */
824     /* ConfigServerInfo.name = ConfigServerInfo.name; */
825     ConfigServerInfo.description = NULL;
826     ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
827     ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
828 adx 30
829 michael 4341 memset(&ConfigServerInfo.ip, 0, sizeof(ConfigServerInfo.ip));
830     ConfigServerInfo.specific_ipv4_vhost = 0;
831     memset(&ConfigServerInfo.ip6, 0, sizeof(ConfigServerInfo.ip6));
832     ConfigServerInfo.specific_ipv6_vhost = 0;
833 adx 30
834 michael 4341 ConfigServerInfo.max_clients = MAXCLIENTS_MAX;
835     ConfigServerInfo.max_nick_length = 9;
836     ConfigServerInfo.max_topic_length = 80;
837     ConfigServerInfo.hub = 0;
838 michael 4314
839 michael 4341 ConfigAdminInfo.name = NULL;
840     ConfigAdminInfo.email = NULL;
841     ConfigAdminInfo.description = NULL;
842 adx 30
843 michael 1831 log_del_all();
844 michael 1247
845 michael 4341 ConfigLog.use_logging = 1;
846 adx 30
847 michael 1243 ConfigChannel.disable_fake_channels = 0;
848 michael 3863 ConfigChannel.invite_client_count = 10;
849     ConfigChannel.invite_client_time = 300;
850     ConfigChannel.knock_client_count = 1;
851     ConfigChannel.knock_client_time = 300;
852 adx 30 ConfigChannel.knock_delay_channel = 60;
853 michael 3934 ConfigChannel.max_channels = 25;
854 adx 30 ConfigChannel.max_bans = 25;
855     ConfigChannel.default_split_user_count = 0;
856     ConfigChannel.default_split_server_count = 0;
857 michael 1243 ConfigChannel.no_join_on_split = 0;
858     ConfigChannel.no_create_on_split = 0;
859 adx 30
860 michael 1243 ConfigServerHide.flatten_links = 0;
861 adx 30 ConfigServerHide.links_delay = 300;
862 michael 1243 ConfigServerHide.hidden = 0;
863     ConfigServerHide.hide_servers = 0;
864 michael 1851 ConfigServerHide.hide_services = 0;
865 michael 1646 ConfigServerHide.hidden_name = xstrdup(NETWORK_NAME_DEFAULT);
866 michael 1243 ConfigServerHide.hide_server_ips = 0;
867 michael 2196 ConfigServerHide.disable_remote_commands = 0;
868 adx 30
869 michael 4341 ConfigGeneral.away_count = 2;
870     ConfigGeneral.away_time = 10;
871     ConfigGeneral.max_watch = WATCHSIZE_DEFAULT;
872     ConfigGeneral.cycle_on_host_change = 1;
873     ConfigGeneral.glines = 0;
874     ConfigGeneral.gline_time = 12 * 3600;
875     ConfigGeneral.gline_request_time = GLINE_REQUEST_EXPIRE_DEFAULT;
876     ConfigGeneral.gline_min_cidr = 16;
877     ConfigGeneral.gline_min_cidr6 = 48;
878     ConfigGeneral.invisible_on_connect = 1;
879     ConfigGeneral.tkline_expire_notices = 1;
880     ConfigGeneral.hide_spoof_ips = 1;
881     ConfigGeneral.ignore_bogus_ts = 0;
882     ConfigGeneral.disable_auth = 0;
883     ConfigGeneral.kill_chase_time_limit = 90;
884     ConfigGeneral.default_floodcount = 8;
885     ConfigGeneral.failed_oper_notice = 1;
886     ConfigGeneral.dots_in_ident = 0;
887     ConfigGeneral.min_nonwildcard = 4;
888     ConfigGeneral.min_nonwildcard_simple = 3;
889     ConfigGeneral.max_accept = 20;
890     ConfigGeneral.anti_nick_flood = 0;
891     ConfigGeneral.max_nick_time = 20;
892     ConfigGeneral.max_nick_changes = 5;
893     ConfigGeneral.anti_spam_exit_message_time = 0;
894     ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
895     ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT;
896     ConfigGeneral.warn_no_connect_block = 1;
897     ConfigGeneral.stats_e_disabled = 0;
898     ConfigGeneral.stats_o_oper_only = 0;
899     ConfigGeneral.stats_k_oper_only = 1; /* 1 = masked */
900     ConfigGeneral.stats_i_oper_only = 1; /* 1 = masked */
901     ConfigGeneral.stats_P_oper_only = 0;
902     ConfigGeneral.stats_u_oper_only = 0;
903     ConfigGeneral.caller_id_wait = 60;
904     ConfigGeneral.opers_bypass_callerid = 0;
905     ConfigGeneral.pace_wait = 10;
906     ConfigGeneral.pace_wait_simple = 1;
907     ConfigGeneral.short_motd = 0;
908     ConfigGeneral.ping_cookie = 0;
909     ConfigGeneral.no_oper_flood = 0;
910     ConfigGeneral.true_no_oper_flood = 0;
911     ConfigGeneral.oper_pass_resv = 1;
912     ConfigGeneral.max_targets = MAX_TARGETS_DEFAULT;
913     ConfigGeneral.oper_only_umodes = UMODE_DEBUG;
914     ConfigGeneral.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE | UMODE_WALLOP;
915     ConfigGeneral.throttle_count = 1;
916     ConfigGeneral.throttle_time = 1;
917 adx 30 }
918    
919     static void
920     validate_conf(void)
921     {
922 michael 4341 if (ConfigGeneral.ts_warn_delta < TS_WARN_DELTA_MIN)
923     ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
924 adx 30
925 michael 4341 if (ConfigGeneral.ts_max_delta < TS_MAX_DELTA_MIN)
926     ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT;
927 adx 30
928 michael 4341 if (ConfigServerInfo.network_name == NULL)
929     ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
930 adx 30
931 michael 4341 if (ConfigServerInfo.network_desc == NULL)
932     ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
933 adx 30
934 michael 4341 ConfigGeneral.max_watch = IRCD_MAX(ConfigGeneral.max_watch, WATCHSIZE_MIN);
935 adx 30 }
936    
937 michael 2916 /* read_conf()
938 michael 1363 *
939     * inputs - file descriptor pointing to config file to use
940     * output - None
941     * side effects - Read configuration file.
942     */
943     static void
944     read_conf(FILE *file)
945     {
946     lineno = 0;
947    
948 michael 3375 set_default_conf(); /* Set default values prior to conf parsing */
949 michael 1363 conf_parser_ctx.pass = 1;
950 michael 3375 yyparse(); /* Pick up the classes first */
951 michael 1363
952     rewind(file);
953    
954     conf_parser_ctx.pass = 2;
955 michael 3375 yyparse(); /* Load the values from the conf */
956     validate_conf(); /* Check to make sure some values are still okay. */
957     /* Some global values are also loaded here. */
958     class_delete_marked(); /* Delete unused classes that are marked for deletion */
959 michael 1363 }
960    
961 adx 30 /* lookup_confhost()
962     *
963     * start DNS lookups of all hostnames in the conf
964     * line and convert an IP addresses in a.b.c.d number for to IP#s.
965     */
966 michael 1647 void
967 michael 1632 lookup_confhost(struct MaskItem *conf)
968 adx 30 {
969     struct addrinfo hints, *res;
970    
971 michael 3375 /*
972     * Do name lookup now on hostnames given and store the
973 adx 30 * ip numbers in conf structure.
974     */
975     memset(&hints, 0, sizeof(hints));
976    
977     hints.ai_family = AF_UNSPEC;
978     hints.ai_socktype = SOCK_STREAM;
979    
980     /* Get us ready for a bind() and don't bother doing dns lookup */
981     hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
982    
983 michael 1632 if (getaddrinfo(conf->host, NULL, &hints, &res))
984 adx 30 {
985 michael 1632 conf_dns_lookup(conf);
986 adx 30 return;
987     }
988    
989 michael 3235 assert(res);
990 adx 30
991 michael 1632 memcpy(&conf->addr, res->ai_addr, res->ai_addrlen);
992     conf->addr.ss_len = res->ai_addrlen;
993     conf->addr.ss.ss_family = res->ai_family;
994    
995 michael 1123 freeaddrinfo(res);
996 adx 30 }
997    
998     /* conf_connect_allowed()
999     *
1000     * inputs - pointer to inaddr
1001     * - int type ipv4 or ipv6
1002     * output - BANNED or accepted
1003     * side effects - none
1004     */
1005     int
1006     conf_connect_allowed(struct irc_ssaddr *addr, int aftype)
1007     {
1008 michael 3876 struct ip_entry *ip_found = NULL;
1009 michael 1632 struct MaskItem *conf = find_dline_conf(addr, aftype);
1010 adx 30
1011     /* DLINE exempt also gets you out of static limits/pacing... */
1012 michael 1636 if (conf && (conf->type == CONF_EXEMPT))
1013 adx 30 return 0;
1014    
1015 michael 3235 if (conf)
1016 adx 30 return BANNED_CLIENT;
1017    
1018 michael 4326 ip_found = ipcache_find_or_add_address(addr);
1019 adx 30
1020 michael 4341 if ((CurrentTime - ip_found->last_attempt) < ConfigGeneral.throttle_time)
1021 adx 30 {
1022 michael 4341 if (ip_found->connection_count >= ConfigGeneral.throttle_count)
1023 michael 3876 return TOO_FAST;
1024 michael 4056
1025     ++ip_found->connection_count;
1026 adx 30 }
1027 michael 3876 else
1028     ip_found->connection_count = 1;
1029 adx 30
1030     ip_found->last_attempt = CurrentTime;
1031     return 0;
1032     }
1033    
1034     /* cleanup_tklines()
1035     *
1036     * inputs - NONE
1037     * output - NONE
1038     * side effects - call function to expire temporary k/d lines
1039     * This is an event started off in ircd.c
1040     */
1041     void
1042 michael 4438 cleanup_tklines(void *unused)
1043 adx 30 {
1044 michael 1369 hostmask_expire_temporary();
1045 michael 2916 expire_tklines(&xconf_items);
1046 michael 1628 expire_tklines(&nresv_items);
1047 michael 2174 expire_tklines(&cresv_items);
1048 adx 30 }
1049    
1050     /* expire_tklines()
1051     *
1052     * inputs - tkline list pointer
1053     * output - NONE
1054     * side effects - expire tklines
1055     */
1056     static void
1057     expire_tklines(dlink_list *tklist)
1058     {
1059 michael 3235 dlink_node *ptr = NULL, *ptr_next = NULL;
1060     struct MaskItem *conf = NULL;
1061 adx 30
1062 michael 3235 DLINK_FOREACH_SAFE(ptr, ptr_next, tklist->head)
1063 adx 30 {
1064     conf = ptr->data;
1065    
1066 michael 1649 if (!conf->until || conf->until > CurrentTime)
1067 michael 1644 continue;
1068    
1069 michael 1632 if (conf->type == CONF_XLINE)
1070 adx 30 {
1071 michael 4341 if (ConfigGeneral.tkline_expire_notices)
1072 michael 1644 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1073 michael 1618 "Temporary X-line for [%s] expired", conf->name);
1074 michael 1644 conf_free(conf);
1075 adx 30 }
1076 michael 1825 else if (conf->type == CONF_NRESV || conf->type == CONF_CRESV)
1077 adx 30 {
1078 michael 4341 if (ConfigGeneral.tkline_expire_notices)
1079 michael 1644 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1080 adx 30 "Temporary RESV for [%s] expired", conf->name);
1081 michael 1644 conf_free(conf);
1082 adx 30 }
1083     }
1084     }
1085    
1086     /* oper_privs_as_string()
1087     *
1088 michael 58 * inputs - pointer to client_p
1089 adx 30 * output - pointer to static string showing oper privs
1090     * side effects - return as string, the oper privs as derived from port
1091     */
1092 michael 58 static const struct oper_privs
1093     {
1094 michael 1644 const unsigned int flag;
1095 michael 58 const unsigned char c;
1096     } flag_list[] = {
1097 michael 2012 { OPER_FLAG_ADMIN, 'A' },
1098     { OPER_FLAG_REMOTEBAN, 'B' },
1099     { OPER_FLAG_DIE, 'D' },
1100     { OPER_FLAG_GLINE, 'G' },
1101     { OPER_FLAG_REHASH, 'H' },
1102 michael 4018 { OPER_FLAG_KLINE, 'K' },
1103 michael 2012 { OPER_FLAG_KILL, 'N' },
1104     { OPER_FLAG_KILL_REMOTE, 'O' },
1105     { OPER_FLAG_CONNECT, 'P' },
1106     { OPER_FLAG_CONNECT_REMOTE, 'Q' },
1107     { OPER_FLAG_SQUIT, 'R' },
1108     { OPER_FLAG_SQUIT_REMOTE, 'S' },
1109     { OPER_FLAG_UNKLINE, 'U' },
1110 michael 2852 { OPER_FLAG_XLINE, 'X' },
1111 michael 1294 { 0, '\0' }
1112 michael 58 };
1113 adx 30
1114     char *
1115     oper_privs_as_string(const unsigned int port)
1116     {
1117 michael 2694 static char privs_out[IRCD_BUFSIZE];
1118 michael 58 char *privs_ptr = privs_out;
1119 adx 30
1120 michael 3283 for (const struct oper_privs *opriv = flag_list; opriv->flag; ++opriv)
1121 michael 58 {
1122 michael 1644 if (port & opriv->flag)
1123     *privs_ptr++ = opriv->c;
1124 michael 58 else
1125 michael 1644 *privs_ptr++ = ToLower(opriv->c);
1126 michael 58 }
1127    
1128     *privs_ptr = '\0';
1129    
1130 adx 30 return privs_out;
1131     }
1132    
1133     /*
1134 michael 4299 * Input: A client to find the active operator {} name for.
1135 adx 30 * Output: The nick!user@host{oper} of the oper.
1136     * "oper" is server name for remote opers
1137     * Side effects: None.
1138     */
1139 michael 1364 const char *
1140 adx 30 get_oper_name(const struct Client *client_p)
1141     {
1142 michael 3009 const dlink_node *cnode = NULL;
1143 adx 30 /* +5 for !,@,{,} and null */
1144 michael 1147 static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1145 adx 30
1146 michael 4627 if (IsServer(client_p))
1147     return client_p->name;
1148    
1149 adx 30 if (MyConnect(client_p))
1150     {
1151 michael 4589 if ((cnode = client_p->connection->confs.head))
1152 adx 30 {
1153 michael 3009 const struct MaskItem *conf = cnode->data;
1154 adx 30
1155 michael 1632 if (IsConfOperator(conf))
1156 adx 30 {
1157 michael 2182 snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1158 michael 1147 client_p->username, client_p->host, conf->name);
1159 michael 2182 return buffer;
1160 adx 30 }
1161     }
1162    
1163 michael 4299 /*
1164     * Probably should assert here for now. If there is an oper out there
1165     * with no operator {} conf attached, it would be good for us to know...
1166 adx 30 */
1167 michael 4299 assert(0); /* Oper without oper conf! */
1168 adx 30 }
1169    
1170 michael 1147 snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1171 michael 2182 client_p->username, client_p->host, client_p->servptr->name);
1172 adx 30 return buffer;
1173     }
1174    
1175     /* read_conf_files()
1176     *
1177     * inputs - cold start YES or NO
1178     * output - none
1179     * side effects - read all conf files needed, ircd.conf kline.conf etc.
1180     */
1181     void
1182     read_conf_files(int cold)
1183     {
1184 michael 3375 const char *filename = NULL;
1185     char chanmodes[IRCD_BUFSIZE] = "";
1186     char chanlimit[IRCD_BUFSIZE] = "";
1187 adx 30
1188 michael 967 conf_parser_ctx.boot = cold;
1189 michael 4341 filename = ConfigGeneral.configfile;
1190 adx 30
1191     /* We need to know the initial filename for the yyerror() to report
1192     FIXME: The full path is in conffilenamebuf first time since we
1193 michael 4299 don't know anything else
1194 adx 30
1195 michael 2916 - Gozem 2002-07-21
1196 adx 30 */
1197     strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1198    
1199 michael 1325 if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1200 adx 30 {
1201     if (cold)
1202     {
1203 michael 1247 ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1204 adx 30 filename, strerror(errno));
1205     exit(-1);
1206     }
1207     else
1208     {
1209 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1210 michael 2182 "Unable to read configuration file '%s': %s",
1211     filename, strerror(errno));
1212 adx 30 return;
1213     }
1214     }
1215    
1216     if (!cold)
1217     clear_out_old_conf();
1218    
1219 michael 967 read_conf(conf_parser_ctx.conf_file);
1220 michael 1325 fclose(conf_parser_ctx.conf_file);
1221 adx 30
1222 michael 1831 log_reopen_all();
1223    
1224 michael 4341 add_isupport("NICKLEN", NULL, ConfigServerInfo.max_nick_length);
1225     add_isupport("NETWORK", ConfigServerInfo.network_name, -1);
1226 michael 1751
1227     snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans);
1228 adx 30 add_isupport("MAXLIST", chanmodes, -1);
1229 michael 4341 add_isupport("MAXTARGETS", NULL, ConfigGeneral.max_targets);
1230 michael 1474 add_isupport("CHANTYPES", "#", -1);
1231 michael 1147
1232 michael 1474 snprintf(chanlimit, sizeof(chanlimit), "#:%d",
1233 michael 3934 ConfigChannel.max_channels);
1234 adx 30 add_isupport("CHANLIMIT", chanlimit, -1);
1235 michael 4053 snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,cimnprstMORS");
1236 michael 3422 add_isupport("CHANNELLEN", NULL, CHANNELLEN);
1237 michael 4341 add_isupport("TOPICLEN", NULL, ConfigServerInfo.max_topic_length);
1238 adx 30 add_isupport("CHANMODES", chanmodes, -1);
1239    
1240     /*
1241     * message_locale may have changed. rebuild isupport since it relies
1242     * on strlen(form_str(RPL_ISUPPORT))
1243     */
1244     rebuild_isupport_message_line();
1245     }
1246    
1247     /* clear_out_old_conf()
1248     *
1249     * inputs - none
1250     * output - none
1251     * side effects - Clear out the old configuration
1252     */
1253     static void
1254     clear_out_old_conf(void)
1255     {
1256     dlink_node *ptr = NULL, *next_ptr = NULL;
1257     dlink_list *free_items [] = {
1258 michael 1383 &server_items, &oconf_items,
1259 michael 1921 &uconf_items, &xconf_items,
1260 michael 2174 &nresv_items, &cluster_items, &service_items, &cresv_items, NULL
1261 adx 30 };
1262    
1263     dlink_list ** iterator = free_items; /* C is dumb */
1264    
1265     /* We only need to free anything allocated by yyparse() here.
1266     * Resetting structs, etc, is taken care of by set_default_conf().
1267     */
1268 michael 2916
1269 adx 30 for (; *iterator != NULL; iterator++)
1270     {
1271     DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
1272     {
1273 michael 4522 struct MaskItem *conf = ptr->data;
1274 michael 1632
1275 michael 4522 conf->active = 0;
1276     dlinkDelete(&conf->node, *iterator);
1277 michael 1632
1278 adx 30 /* XXX This is less than pretty */
1279 michael 1632 if (conf->type == CONF_SERVER || conf->type == CONF_OPER)
1280 adx 30 {
1281 michael 1644 if (!conf->ref_count)
1282 michael 2182 conf_free(conf);
1283 adx 30 }
1284 michael 1921 else if (conf->type == CONF_XLINE)
1285 adx 30 {
1286 michael 1649 if (!conf->until)
1287 michael 1632 conf_free(conf);
1288 adx 30 }
1289     else
1290 michael 1632 conf_free(conf);
1291 adx 30 }
1292     }
1293    
1294 michael 2150 motd_clear();
1295    
1296 michael 671 /*
1297     * don't delete the class table, rather mark all entries
1298 michael 1632 * for deletion. The table is cleaned up by class_delete_marked. - avalon
1299 adx 30 */
1300 michael 1632 class_mark_for_deletion();
1301 michael 671
1302 adx 30 clear_out_address_conf();
1303    
1304     /* clean out module paths */
1305     mod_clear_paths();
1306    
1307 michael 4533 pseudo_clear();
1308    
1309 michael 4341 /* clean out ConfigServerInfo */
1310     MyFree(ConfigServerInfo.description);
1311     ConfigServerInfo.description = NULL;
1312     MyFree(ConfigServerInfo.network_name);
1313     ConfigServerInfo.network_name = NULL;
1314     MyFree(ConfigServerInfo.network_desc);
1315     ConfigServerInfo.network_desc = NULL;
1316 adx 30 #ifdef HAVE_LIBCRYPTO
1317 michael 4341 if (ConfigServerInfo.rsa_private_key)
1318 adx 30 {
1319 michael 4341 RSA_free(ConfigServerInfo.rsa_private_key);
1320     ConfigServerInfo.rsa_private_key = NULL;
1321 adx 30 }
1322    
1323 michael 4341 MyFree(ConfigServerInfo.rsa_private_key_file);
1324     ConfigServerInfo.rsa_private_key_file = NULL;
1325 adx 30 #endif
1326    
1327 michael 4341 /* clean out ConfigAdminInfo */
1328     MyFree(ConfigAdminInfo.name);
1329     ConfigAdminInfo.name = NULL;
1330     MyFree(ConfigAdminInfo.email);
1331     ConfigAdminInfo.email = NULL;
1332     MyFree(ConfigAdminInfo.description);
1333     ConfigAdminInfo.description = NULL;
1334 adx 30
1335     /* clean out listeners */
1336     close_listeners();
1337     }
1338    
1339     /* conf_add_class_to_conf()
1340     *
1341     * inputs - pointer to config item
1342     * output - NONE
1343 michael 2916 * side effects - Add a class pointer to a conf
1344 adx 30 */
1345     void
1346 michael 1632 conf_add_class_to_conf(struct MaskItem *conf, const char *class_name)
1347 adx 30 {
1348 michael 2916 if (class_name == NULL)
1349 adx 30 {
1350 michael 1632 conf->class = class_default;
1351 michael 671
1352 michael 1632 if (conf->type == CONF_CLIENT)
1353 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1354 michael 2182 "Warning *** Defaulting to default class for %s@%s",
1355     conf->user, conf->host);
1356 adx 30 else
1357 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1358 michael 2182 "Warning *** Defaulting to default class for %s",
1359     conf->name);
1360 adx 30 }
1361     else
1362 michael 1632 conf->class = class_find(class_name, 1);
1363 adx 30
1364 michael 1632 if (conf->class == NULL)
1365 adx 30 {
1366 michael 1632 if (conf->type == CONF_CLIENT)
1367 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1368 michael 2182 "Warning *** Defaulting to default class for %s@%s",
1369     conf->user, conf->host);
1370 adx 30 else
1371 michael 1618 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1372 michael 2182 "Warning *** Defaulting to default class for %s",
1373     conf->name);
1374 michael 1632 conf->class = class_default;
1375 adx 30 }
1376     }
1377    
1378     /* yyerror()
1379     *
1380     * inputs - message from parser
1381     * output - NONE
1382     * side effects - message to opers and log file entry is made
1383     */
1384     void
1385     yyerror(const char *msg)
1386     {
1387     char newlinebuf[IRCD_BUFSIZE];
1388    
1389 michael 967 if (conf_parser_ctx.pass != 1)
1390 adx 30 return;
1391    
1392     strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf));
1393 michael 1751 sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1394 michael 1618 "\"%s\", line %u: %s: %s",
1395 adx 30 conffilebuf, lineno + 1, msg, newlinebuf);
1396 michael 1247 ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s",
1397 adx 30 conffilebuf, lineno + 1, msg, newlinebuf);
1398     }
1399    
1400 michael 1751 void
1401     conf_error_report(const char *msg)
1402     {
1403     char newlinebuf[IRCD_BUFSIZE];
1404    
1405     strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf));
1406     sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1407     "\"%s\", line %u: %s: %s",
1408     conffilebuf, lineno + 1, msg, newlinebuf);
1409     ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s",
1410     conffilebuf, lineno + 1, msg, newlinebuf);
1411     }
1412    
1413 adx 30 /*
1414     * valid_tkline()
1415 michael 2916 *
1416 adx 30 * inputs - pointer to ascii string to check
1417     * - whether the specified time is in seconds or minutes
1418     * output - -1 not enough parameters
1419     * - 0 if not an integer number, else the number
1420     * side effects - none
1421     * Originally written by Dianora (Diane, db@db.net)
1422     */
1423     time_t
1424 michael 2313 valid_tkline(const char *data, const int minutes)
1425 adx 30 {
1426 michael 2313 const unsigned char *p = (const unsigned char *)data;
1427     unsigned char tmpch = '\0';
1428 adx 30 time_t result = 0;
1429    
1430 michael 2313 while ((tmpch = *p++))
1431 adx 30 {
1432 michael 2313 if (!IsDigit(tmpch))
1433 michael 1121 return 0;
1434 michael 1120
1435     result *= 10;
1436 michael 2313 result += (tmpch & 0xF);
1437 adx 30 }
1438    
1439 michael 1120 /*
1440 michael 2916 * In the degenerate case where oper does a /quote kline 0 user@host :reason
1441 adx 30 * i.e. they specifically use 0, I am going to return 1 instead
1442     * as a return value of non-zero is used to flag it as a temporary kline
1443     */
1444     if (result == 0)
1445     result = 1;
1446    
1447 michael 2916 /*
1448 adx 30 * If the incoming time is in seconds convert it to minutes for the purpose
1449     * of this calculation
1450     */
1451     if (!minutes)
1452 michael 2916 result = result / 60;
1453 adx 30
1454     if (result > MAX_TDKLINE_TIME)
1455     result = MAX_TDKLINE_TIME;
1456    
1457 michael 2313 result = result * 60; /* turn it into seconds */
1458 adx 30
1459     return result;
1460     }
1461    
1462 michael 2130 /* valid_wild_card_simple()
1463     *
1464     * inputs - data to check for sufficient non-wildcard characters
1465     * outputs - 1 if valid, else 0
1466     * side effects - none
1467     */
1468     int
1469     valid_wild_card_simple(const char *data)
1470     {
1471     const unsigned char *p = (const unsigned char *)data;
1472     unsigned char tmpch = '\0';
1473 michael 3871 unsigned int nonwild = 0;
1474 michael 2130
1475     while ((tmpch = *p++))
1476     {
1477 michael 4264 if (tmpch == '\\' && *p)
1478 michael 2130 {
1479     ++p;
1480 michael 4341 if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1481 michael 2130 return 1;
1482     }
1483     else if (!IsMWildChar(tmpch))
1484     {
1485 michael 4341 if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1486 michael 2130 return 1;
1487     }
1488     }
1489    
1490     return 0;
1491     }
1492    
1493 adx 30 /* valid_wild_card()
1494     *
1495     * input - pointer to client
1496     * - int flag, 0 for no warning oper 1 for warning oper
1497     * - count of following varargs to check
1498     * output - 0 if not valid, 1 if valid
1499     * side effects - NOTICE is given to source_p if warn is 1
1500     */
1501     int
1502     valid_wild_card(struct Client *source_p, int warn, int count, ...)
1503     {
1504 michael 3932 unsigned char tmpch = '\0';
1505 michael 3871 unsigned int nonwild = 0;
1506 adx 30 va_list args;
1507    
1508     /*
1509     * Now we must check the user and host to make sure there
1510     * are at least NONWILDCHARS non-wildcard characters in
1511     * them, otherwise assume they are attempting to kline
1512     * *@* or some variant of that. This code will also catch
1513     * people attempting to kline *@*.tld, as long as NONWILDCHARS
1514     * is greater than 3. In that case, there are only 3 non-wild
1515     * characters (tld), so if NONWILDCHARS is 4, the kline will
1516     * be disallowed.
1517     * -wnder
1518     */
1519    
1520     va_start(args, count);
1521    
1522     while (count--)
1523     {
1524 michael 3932 const unsigned char *p = va_arg(args, const unsigned char *);
1525 adx 30 if (p == NULL)
1526     continue;
1527    
1528     while ((tmpch = *p++))
1529     {
1530     if (!IsKWildChar(tmpch))
1531     {
1532     /*
1533     * If we find enough non-wild characters, we can
1534     * break - no point in searching further.
1535     */
1536 michael 4341 if (++nonwild >= ConfigGeneral.min_nonwildcard)
1537 michael 2659 {
1538     va_end(args);
1539 adx 30 return 1;
1540 michael 2659 }
1541 adx 30 }
1542     }
1543     }
1544    
1545     if (warn)
1546 michael 3110 sendto_one_notice(source_p, &me,
1547 michael 4057 ":Please include at least %u non-wildcard characters with the mask",
1548 michael 4341 ConfigGeneral.min_nonwildcard);
1549 michael 2659 va_end(args);
1550 adx 30 return 0;
1551     }
1552    
1553     /* XXX should this go into a separate file ? -Dianora */
1554     /* parse_aline
1555     *
1556     * input - pointer to cmd name being used
1557     * - pointer to client using cmd
1558     * - parc parameter count
1559     * - parv[] list of parameters to parse
1560     * - parse_flags bit map of things to test
1561     * - pointer to user or string to parse into
1562     * - pointer to host or NULL to parse into if non NULL
1563 michael 2916 * - pointer to optional tkline time or NULL
1564 adx 30 * - pointer to target_server to parse into if non NULL
1565     * - pointer to reason to parse into
1566     *
1567     * output - 1 if valid, -1 if not valid
1568     * side effects - A generalised k/d/x etc. line parser,
1569     * "ALINE [time] user@host|string [ON] target :reason"
1570     * will parse returning a parsed user, host if
1571     * h_p pointer is non NULL, string otherwise.
1572     * if tkline_time pointer is non NULL a tk line will be set
1573     * to non zero if found.
1574     * if tkline_time pointer is NULL and tk line is found,
1575     * error is reported.
1576     * if target_server is NULL and an "ON" is found error
1577     * is reported.
1578     * if reason pointer is NULL ignore pointer,
1579 db 936 * this allows use of parse_a_line in unkline etc.
1580 adx 30 *
1581     * - Dianora
1582     */
1583     int
1584     parse_aline(const char *cmd, struct Client *source_p,
1585 michael 2182 int parc, char **parv,
1586     int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1587     char **target_server, char **reason)
1588 adx 30 {
1589     int found_tkline_time=0;
1590 michael 3500 static char def_reason[] = CONF_NOREASON;
1591 adx 30 static char user[USERLEN*4+1];
1592     static char host[HOSTLEN*4+1];
1593    
1594     parv++;
1595     parc--;
1596    
1597     found_tkline_time = valid_tkline(*parv, TK_MINUTES);
1598    
1599     if (found_tkline_time != 0)
1600     {
1601     parv++;
1602     parc--;
1603    
1604     if (tkline_time != NULL)
1605     *tkline_time = found_tkline_time;
1606     else
1607     {
1608 michael 3110 sendto_one_notice(source_p, &me, ":temp_line not supported by %s", cmd);
1609 adx 30 return -1;
1610     }
1611     }
1612    
1613     if (parc == 0)
1614     {
1615 michael 3109 sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1616 adx 30 return -1;
1617     }
1618    
1619     if (h_p == NULL)
1620     *up_p = *parv;
1621     else
1622     {
1623     if (find_user_host(source_p, *parv, user, host, parse_flags) == 0)
1624     return -1;
1625    
1626     *up_p = user;
1627     *h_p = host;
1628     }
1629 michael 2916
1630 adx 30 parc--;
1631     parv++;
1632    
1633     if (parc != 0)
1634     {
1635     if (irccmp(*parv, "ON") == 0)
1636     {
1637     parc--;
1638     parv++;
1639    
1640     if (target_server == NULL)
1641     {
1642 michael 3110 sendto_one_notice(source_p, &me, ":ON server not supported by %s", cmd);
1643 michael 2182 return -1;
1644 adx 30 }
1645    
1646 michael 1219 if (!HasOFlag(source_p, OPER_FLAG_REMOTEBAN))
1647 adx 30 {
1648 michael 3109 sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "remoteban");
1649 adx 30 return -1;
1650     }
1651    
1652     if (parc == 0 || EmptyString(*parv))
1653     {
1654 michael 3109 sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1655 michael 2182 return -1;
1656 adx 30 }
1657    
1658     *target_server = *parv;
1659     parc--;
1660     parv++;
1661     }
1662     else
1663     {
1664     /* Make sure target_server *is* NULL if no ON server found
1665     * caller probably NULL'd it first, but no harm to do it again -db
1666     */
1667     if (target_server != NULL)
1668 michael 2182 *target_server = NULL;
1669 adx 30 }
1670     }
1671    
1672     if (h_p != NULL)
1673     {
1674     if (strchr(user, '!') != NULL)
1675     {
1676 michael 3110 sendto_one_notice(source_p, &me, ":Invalid character '!' in kline");
1677 adx 30 return -1;
1678     }
1679    
1680 michael 1243 if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 2, *up_p, *h_p))
1681 adx 30 return -1;
1682     }
1683     else
1684 michael 1243 if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 1, *up_p))
1685 adx 30 return -1;
1686    
1687     if (reason != NULL)
1688     {
1689 michael 867 if (parc != 0 && !EmptyString(*parv))
1690 adx 30 {
1691     *reason = *parv;
1692 michael 1243 if (!valid_comment(source_p, *reason, 1))
1693 michael 2182 return -1;
1694 adx 30 }
1695     else
1696     *reason = def_reason;
1697     }
1698    
1699     return 1;
1700     }
1701    
1702     /* find_user_host()
1703     *
1704     * inputs - pointer to client placing kline
1705     * - pointer to user_host_or_nick
1706     * - pointer to user buffer
1707     * - pointer to host buffer
1708     * output - 0 if not ok to kline, 1 to kline i.e. if valid user host
1709     * side effects -
1710     */
1711     static int
1712     find_user_host(struct Client *source_p, char *user_host_or_nick,
1713     char *luser, char *lhost, unsigned int flags)
1714     {
1715     struct Client *target_p = NULL;
1716     char *hostp = NULL;
1717    
1718     if (lhost == NULL)
1719     {
1720     strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1721     return 1;
1722     }
1723    
1724     if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1725     {
1726     /* Explicit user@host mask given */
1727    
1728 michael 593 if (hostp != NULL) /* I'm a little user@host */
1729 adx 30 {
1730     *(hostp++) = '\0'; /* short and squat */
1731     if (*user_host_or_nick)
1732 michael 2182 strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1733 adx 30 else
1734 michael 2182 strcpy(luser, "*");
1735    
1736 adx 30 if (*hostp)
1737 michael 2182 strlcpy(lhost, hostp, HOSTLEN + 1); /* here is my host */
1738 adx 30 else
1739 michael 2182 strcpy(lhost, "*");
1740 adx 30 }
1741     else
1742     {
1743     luser[0] = '*'; /* no @ found, assume its *@somehost */
1744 michael 2182 luser[1] = '\0';
1745 adx 30 strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
1746     }
1747 michael 2916
1748 adx 30 return 1;
1749     }
1750 michael 1518 else
1751 adx 30 {
1752     /* Try to find user@host mask from nick */
1753     /* Okay to use source_p as the first param, because source_p == client_p */
1754 michael 2916 if ((target_p =
1755 michael 3192 find_chasing(source_p, user_host_or_nick)) == NULL)
1756 michael 3736 return 0; /* find_chasing sends ERR_NOSUCHNICK */
1757 adx 30
1758     if (IsExemptKline(target_p))
1759     {
1760     if (!IsServer(source_p))
1761 michael 3110 sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
1762 adx 30 return 0;
1763     }
1764    
1765     /*
1766     * turn the "user" bit into "*user", blow away '~'
1767     * if found in original user name (non-idented)
1768     */
1769     strlcpy(luser, target_p->username, USERLEN*4 + 1);
1770    
1771     if (target_p->username[0] == '~')
1772     luser[0] = '*';
1773    
1774     if (target_p->sockhost[0] == '\0' ||
1775     (target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0'))
1776     strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
1777     else
1778     strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
1779     return 1;
1780     }
1781    
1782     return 0;
1783     }
1784    
1785     /* valid_comment()
1786     *
1787     * inputs - pointer to client
1788     * - pointer to comment
1789     * output - 0 if no valid comment,
1790     * - 1 if valid
1791     * side effects - truncates reason where necessary
1792     */
1793     int
1794     valid_comment(struct Client *source_p, char *comment, int warn)
1795     {
1796     if (strlen(comment) > REASONLEN)
1797     comment[REASONLEN-1] = '\0';
1798    
1799     return 1;
1800     }
1801    
1802     /* match_conf_password()
1803     *
1804     * inputs - pointer to given password
1805     * - pointer to Conf
1806     * output - 1 or 0 if match
1807     * side effects - none
1808     */
1809     int
1810 michael 1632 match_conf_password(const char *password, const struct MaskItem *conf)
1811 adx 30 {
1812     const char *encr = NULL;
1813    
1814 michael 1632 if (EmptyString(password) || EmptyString(conf->passwd))
1815 adx 30 return 0;
1816    
1817 michael 1632 if (conf->flags & CONF_FLAGS_ENCRYPTED)
1818     encr = crypt(password, conf->passwd);
1819 adx 30 else
1820     encr = password;
1821    
1822 michael 3263 return encr && !strcmp(encr, conf->passwd);
1823 adx 30 }
1824    
1825     /*
1826     * cluster_a_line
1827     *
1828     * inputs - client sending the cluster
1829     * - command name "KLINE" "XLINE" etc.
1830 michael 3347 * - capab -- CAP_KLN etc. from server.h
1831 michael 1309 * - cluster type -- CLUSTER_KLINE etc. from conf.h
1832 adx 30 * - pattern and args to send along
1833     * output - none
1834     * side effects - Take source_p send the pattern with args given
1835     * along to all servers that match capab and cluster type
1836     */
1837     void
1838     cluster_a_line(struct Client *source_p, const char *command,
1839 michael 593 int capab, int cluster_type, const char *pattern, ...)
1840 adx 30 {
1841     va_list args;
1842 michael 3375 char buffer[IRCD_BUFSIZE] = "";
1843 michael 593 const dlink_node *ptr = NULL;
1844 adx 30
1845     va_start(args, pattern);
1846     vsnprintf(buffer, sizeof(buffer), pattern, args);
1847     va_end(args);
1848    
1849     DLINK_FOREACH(ptr, cluster_items.head)
1850     {
1851 michael 1632 const struct MaskItem *conf = ptr->data;
1852 adx 30
1853     if (conf->flags & cluster_type)
1854     sendto_match_servs(source_p, conf->name, CAP_CLUSTER|capab,
1855 michael 2182 "%s %s %s", command, conf->name, buffer);
1856 adx 30 }
1857     }
1858    
1859     /*
1860     * split_nuh
1861     *
1862     * inputs - pointer to original mask (modified in place)
1863     * - pointer to pointer where nick should go
1864     * - pointer to pointer where user should go
1865     * - pointer to pointer where host should go
1866     * output - NONE
1867     * side effects - mask is modified in place
1868     * If nick pointer is NULL, ignore writing to it
1869     * this allows us to use this function elsewhere.
1870     *
1871     * mask nick user host
1872     * ---------------------- ------- ------- ------
1873     * Dianora!db@db.net Dianora db db.net
1874     * Dianora Dianora * *
1875     * db.net * * db.net
1876     * OR if nick pointer is NULL
1877     * Dianora - * Dianora
1878     * Dianora! Dianora * *
1879     * Dianora!@ Dianora * *
1880     * Dianora!db Dianora db *
1881     * Dianora!@db.net Dianora * db.net
1882     * db@db.net * db db.net
1883     * !@ * * *
1884     * @ * * *
1885     * ! * * *
1886     */
1887     void
1888 michael 593 split_nuh(struct split_nuh_item *const iptr)
1889 adx 30 {
1890     char *p = NULL, *q = NULL;
1891    
1892 michael 593 if (iptr->nickptr)
1893     strlcpy(iptr->nickptr, "*", iptr->nicksize);
1894     if (iptr->userptr)
1895     strlcpy(iptr->userptr, "*", iptr->usersize);
1896     if (iptr->hostptr)
1897     strlcpy(iptr->hostptr, "*", iptr->hostsize);
1898    
1899     if ((p = strchr(iptr->nuhmask, '!')))
1900 adx 30 {
1901     *p = '\0';
1902    
1903 michael 3375 if (iptr->nickptr && *iptr->nuhmask)
1904 michael 593 strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize);
1905 adx 30
1906 michael 2525 if ((q = strchr(++p, '@')))
1907     {
1908 michael 593 *q++ = '\0';
1909    
1910 michael 3375 if (*p)
1911 michael 593 strlcpy(iptr->userptr, p, iptr->usersize);
1912 adx 30
1913 michael 3375 if (*q)
1914 michael 593 strlcpy(iptr->hostptr, q, iptr->hostsize);
1915 adx 30 }
1916     else
1917     {
1918 michael 3375 if (*p)
1919 michael 593 strlcpy(iptr->userptr, p, iptr->usersize);
1920 adx 30 }
1921     }
1922 michael 593 else
1923 adx 30 {
1924 michael 593 /* No ! found so lets look for a user@host */
1925     if ((p = strchr(iptr->nuhmask, '@')))
1926 adx 30 {
1927 michael 593 /* if found a @ */
1928     *p++ = '\0';
1929 adx 30
1930 michael 3375 if (*iptr->nuhmask)
1931 michael 593 strlcpy(iptr->userptr, iptr->nuhmask, iptr->usersize);
1932 adx 30
1933 michael 3375 if (*p)
1934 michael 593 strlcpy(iptr->hostptr, p, iptr->hostsize);
1935 adx 30 }
1936 michael 593 else
1937 adx 30 {
1938 michael 593 /* no @ found */
1939     if (!iptr->nickptr || strpbrk(iptr->nuhmask, ".:"))
1940     strlcpy(iptr->hostptr, iptr->nuhmask, iptr->hostsize);
1941 adx 30 else
1942 michael 593 strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize);
1943 adx 30 }
1944     }
1945     }

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision