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root/svn/ircd-hybrid/trunk/src/conf.c
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Comparing:
ircd-hybrid-8/src/conf.c (file contents), Revision 1547 by michael, Sun Sep 30 17:50:03 2012 UTC vs.
ircd-hybrid/trunk/src/conf.c (file contents), Revision 7230 by michael, Wed Feb 3 16:00:29 2016 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  conf.c: Configuration file functions.
2 > *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (C) 2002 by the past and present ircd coders, and others.
4 > *  Copyright (c) 1997-2016 ircd-hybrid development team
5   *
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
# Line 16 | Line 15
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 < *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 > *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19   *  USA
20 < *
21 < *  $Id$
20 > */
21 >
22 > /*! \file conf.c
23 > * \brief Configuration file functions.
24 > * \version $Id$
25   */
26  
27   #include "stdinc.h"
28   #include "list.h"
29   #include "ircd_defs.h"
28 #include "balloc.h"
30   #include "conf.h"
31 < #include "s_serv.h"
31 > #include "conf_cluster.h"
32 > #include "conf_pseudo.h"
33 > #include "conf_shared.h"
34 > #include "server.h"
35   #include "resv.h"
36   #include "channel.h"
37   #include "client.h"
38   #include "event.h"
35 #include "hook.h"
39   #include "irc_string.h"
40   #include "s_bsd.h"
41   #include "ircd.h"
# Line 43 | Line 46
46   #include "fdlist.h"
47   #include "log.h"
48   #include "send.h"
46 #include "s_gline.h"
49   #include "memory.h"
50 < #include "irc_res.h"
50 > #include "res.h"
51   #include "userhost.h"
52 < #include "s_user.h"
52 > #include "user.h"
53   #include "channel_mode.h"
54   #include "parse.h"
55 < #include "s_misc.h"
55 > #include "misc.h"
56 > #include "conf_db.h"
57 > #include "conf_class.h"
58 > #include "motd.h"
59 > #include "ipcache.h"
60 > #include "isupport.h"
61  
55 struct Callback *client_check_cb = NULL;
56 struct config_server_hide ConfigServerHide;
62  
63 < /* general conf items link list root, other than k lines etc. */
64 < dlink_list service_items = { NULL, NULL, 0 };
65 < dlink_list server_items  = { NULL, NULL, 0 };
66 < dlink_list cluster_items = { NULL, NULL, 0 };
67 < dlink_list oconf_items   = { NULL, NULL, 0 };
68 < dlink_list uconf_items   = { NULL, NULL, 0 };
69 < dlink_list xconf_items   = { NULL, NULL, 0 };
65 < dlink_list rxconf_items  = { NULL, NULL, 0 };
66 < dlink_list rkconf_items  = { NULL, NULL, 0 };
67 < dlink_list nresv_items   = { NULL, NULL, 0 };
68 < dlink_list class_items   = { NULL, NULL, 0 };
63 > struct config_channel_entry ConfigChannel;
64 > struct config_serverhide_entry ConfigServerHide;
65 > struct config_general_entry ConfigGeneral;
66 > struct config_log_entry ConfigLog = { .use_logging = 1 };
67 > struct config_serverinfo_entry ConfigServerInfo;
68 > struct config_admin_entry ConfigAdminInfo;
69 > struct conf_parser_context conf_parser_ctx;
70  
71 < dlink_list temporary_xlines  = { NULL, NULL, 0 };
72 < dlink_list temporary_resv = { NULL, NULL, 0 };
71 > /* general conf items link list root, other than k lines etc. */
72 > dlink_list service_items;
73 > dlink_list server_items;
74 > dlink_list operator_items;
75 > dlink_list gecos_items;
76 > dlink_list nresv_items;
77 > dlink_list cresv_items;
78  
79   extern unsigned int lineno;
80   extern char linebuf[];
81   extern char conffilebuf[IRCD_BUFSIZE];
82   extern int yyparse(); /* defined in y.tab.c */
83  
78 struct conf_parser_context conf_parser_ctx = { 0, 0, NULL };
79
80 /* internally defined functions */
81 static void read_conf(FILE *);
82 static void clear_out_old_conf(void);
83 static void flush_deleted_I_P(void);
84 static void expire_tklines(dlink_list *);
85 static void garbage_collect_ip_entries(void);
86 static int hash_ip(struct irc_ssaddr *);
87 static int verify_access(struct Client *, const char *);
88 static int attach_iline(struct Client *, struct ConfItem *);
89 static struct ip_entry *find_or_add_ip(struct irc_ssaddr *);
90 static void parse_conf_file(int, int);
91 static dlink_list *map_to_list(ConfType);
92 static struct AccessItem *find_regexp_kline(const char *[]);
93 static int find_user_host(struct Client *, char *, char *, char *, unsigned int);
94
95 /*
96 * bit_len
97 */
98 static int cidr_limit_reached(int, struct irc_ssaddr *, struct ClassItem *);
99 static void remove_from_cidr_check(struct irc_ssaddr *, struct ClassItem *);
100 static void destroy_cidr_class(struct ClassItem *);
101
102 static void flags_to_ascii(unsigned int, const unsigned int[], char *, int);
103
104 /* address of default class conf */
105 static struct ConfItem *class_default;
106
107 /* usually, with hash tables, you use a prime number...
108 * but in this case I am dealing with ip addresses,
109 * not ascii strings.
110 */
111 #define IP_HASH_SIZE 0x1000
112
113 struct ip_entry
114 {
115  struct irc_ssaddr ip;
116  int count;
117  time_t last_attempt;
118  struct ip_entry *next;
119 };
120
121 static struct ip_entry *ip_hash_table[IP_HASH_SIZE];
122 static BlockHeap *ip_entry_heap = NULL;
123 static int ip_entries_count = 0;
124
125
126 void *
127 map_to_conf(struct ConfItem *aconf)
128 {
129  void *conf;
130  conf = (void *)((uintptr_t)aconf +
131                  (uintptr_t)sizeof(struct ConfItem));
132  return(conf);
133 }
134
135 struct ConfItem *
136 unmap_conf_item(void *aconf)
137 {
138  struct ConfItem *conf;
139
140  conf = (struct ConfItem *)((uintptr_t)aconf -
141                             (uintptr_t)sizeof(struct ConfItem));
142  return(conf);
143 }
84  
85   /* conf_dns_callback()
86   *
87 < * inputs       - pointer to struct AccessItem
87 > * inputs       - pointer to struct MaskItem
88   *              - pointer to DNSReply reply
89   * output       - none
90   * side effects - called when resolver query finishes
# Line 153 | Line 93 | unmap_conf_item(void *aconf)
93   * if successful save hp in the conf item it was called with
94   */
95   static void
96 < conf_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name)
96 > conf_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name, size_t namelength)
97   {
98 <  struct AccessItem *aconf = vptr;
98 >  struct MaskItem *const conf = vptr;
99  
100 <  aconf->dns_pending = 0;
100 >  conf->dns_pending = 0;
101  
102 <  if (addr != NULL)
103 <    memcpy(&aconf->addr, addr, sizeof(aconf->addr));
102 >  if (addr)
103 >    memcpy(&conf->addr, addr, sizeof(conf->addr));
104    else
105 <    aconf->dns_failed = 1;
105 >    conf->dns_failed = 1;
106   }
107  
108   /* conf_dns_lookup()
# Line 172 | Line 112 | conf_dns_callback(void *vptr, const stru
112   * allocate a dns_query and start ns lookup.
113   */
114   static void
115 < conf_dns_lookup(struct AccessItem *aconf)
115 > conf_dns_lookup(struct MaskItem *conf)
116   {
117 <  if (!aconf->dns_pending)
118 <  {
119 <    aconf->dns_pending = 1;
120 <    gethost_byname(conf_dns_callback, aconf, aconf->host);
121 <  }
117 >  if (conf->dns_pending)
118 >    return;
119 >
120 >  conf->dns_pending = 1;
121 >
122 >  if (conf->aftype == AF_INET)
123 >    gethost_byname_type(conf_dns_callback, conf, conf->host, T_A);
124 >  else
125 >    gethost_byname_type(conf_dns_callback, conf, conf->host, T_AAAA);
126   }
127  
128 < /* make_conf_item()
128 > /* map_to_list()
129   *
130 < * inputs       - type of item
131 < * output       - pointer to new conf entry
132 < * side effects - none
130 > * inputs       - ConfType conf
131 > * output       - pointer to dlink_list to use
132 > * side effects - none
133   */
134 < struct ConfItem *
135 < make_conf_item(ConfType type)
134 > static dlink_list *
135 > map_to_list(enum maskitem_type type)
136   {
193  struct ConfItem *conf = NULL;
194  struct AccessItem *aconf = NULL;
195  struct ClassItem *aclass = NULL;
196  int status = 0;
197
137    switch (type)
138    {
139 <  case DLINE_TYPE:
140 <  case EXEMPTDLINE_TYPE:
202 <  case GLINE_TYPE:
203 <  case KLINE_TYPE:
204 <  case CLIENT_TYPE:
205 <  case OPER_TYPE:
206 <  case SERVER_TYPE:
207 <    conf = MyMalloc(sizeof(struct ConfItem) +
208 <                    sizeof(struct AccessItem));
209 <    aconf = map_to_conf(conf);
210 <    aconf->aftype = AF_INET;
211 <
212 <    /* Yes, sigh. switch on type again */
213 <    switch (type)
214 <    {
215 <    case EXEMPTDLINE_TYPE:
216 <      status = CONF_EXEMPTDLINE;
139 >    case CONF_XLINE:
140 >      return &gecos_items;
141        break;
142 <
143 <    case DLINE_TYPE:
220 <      status = CONF_DLINE;
142 >    case CONF_NRESV:
143 >      return &nresv_items;
144        break;
145 <
146 <    case KLINE_TYPE:
224 <      status = CONF_KLINE;
145 >    case CONF_CRESV:
146 >      return &cresv_items;
147        break;
148 <
149 <    case GLINE_TYPE:
228 <      status = CONF_GLINE;
148 >    case CONF_OPER:
149 >      return &operator_items;
150        break;
151 <
152 <    case CLIENT_TYPE:
232 <      status = CONF_CLIENT;
233 <      break;
234 <
235 <    case OPER_TYPE:
236 <      status = CONF_OPERATOR;
237 <      dlinkAdd(conf, &conf->node, &oconf_items);
151 >    case CONF_SERVER:
152 >      return &server_items;
153        break;
154 <
155 <    case SERVER_TYPE:
241 <      status = CONF_SERVER;
242 <      dlinkAdd(conf, &conf->node, &server_items);
154 >    case CONF_SERVICE:
155 >      return &service_items;
156        break;
244
157      default:
158 <      break;
247 <    }
248 <    aconf->status = status;
249 <    break;
250 <
251 <  case ULINE_TYPE:
252 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
253 <                                       sizeof(struct MatchItem));
254 <    dlinkAdd(conf, &conf->node, &uconf_items);
255 <    break;
256 <
257 <  case XLINE_TYPE:
258 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
259 <                                       sizeof(struct MatchItem));
260 <    dlinkAdd(conf, &conf->node, &xconf_items);
261 <    break;
262 < #ifdef HAVE_LIBPCRE
263 <  case RXLINE_TYPE:
264 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
265 <                                       sizeof(struct MatchItem));
266 <    dlinkAdd(conf, &conf->node, &rxconf_items);
267 <    break;
268 <
269 <  case RKLINE_TYPE:
270 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
271 <                                       sizeof(struct AccessItem));
272 <    aconf = map_to_conf(conf);
273 <    aconf->status = CONF_KLINE;
274 <    dlinkAdd(conf, &conf->node, &rkconf_items);
275 <    break;
276 < #endif
277 <  case CLUSTER_TYPE:
278 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem));
279 <    dlinkAdd(conf, &conf->node, &cluster_items);
280 <    break;
281 <
282 <  case CRESV_TYPE:
283 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
284 <                                       sizeof(struct ResvChannel));
285 <    break;
286 <
287 <  case NRESV_TYPE:
288 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
289 <                                       sizeof(struct MatchItem));
290 <    dlinkAdd(conf, &conf->node, &nresv_items);
291 <    break;
292 <
293 <  case SERVICE_TYPE:
294 <    status = CONF_SERVICE;
295 <    conf = MyMalloc(sizeof(struct ConfItem));
296 <    dlinkAdd(conf, &conf->node, &service_items);
297 <    break;
298 <
299 <  case CLASS_TYPE:
300 <    conf = MyMalloc(sizeof(struct ConfItem) +
301 <                           sizeof(struct ClassItem));
302 <    dlinkAdd(conf, &conf->node, &class_items);
303 <
304 <    aclass = map_to_conf(conf);
305 <    aclass->active = 1;
306 <    aclass->con_freq = DEFAULT_CONNECTFREQUENCY;
307 <    aclass->ping_freq = DEFAULT_PINGFREQUENCY;
308 <    aclass->max_total = MAXIMUM_LINKS_DEFAULT;
309 <    aclass->max_sendq = DEFAULT_SENDQ;
310 <    aclass->max_recvq = DEFAULT_RECVQ;
311 <
312 <    break;
313 <
314 <  default:
315 <    conf = NULL;
316 <    break;
158 >      return NULL;
159    }
318
319  /* XXX Yes, this will core if default is hit. I want it to for now - db */
320  conf->type = type;
321
322  return conf;
160   }
161  
162 < void
163 < delete_conf_item(struct ConfItem *conf)
162 > struct MaskItem *
163 > conf_make(enum maskitem_type type)
164   {
165 <  dlink_node *m = NULL, *m_next = NULL;
166 <  struct MatchItem *match_item;
330 <  struct AccessItem *aconf;
331 <  ConfType type = conf->type;
332 <
333 <  MyFree(conf->name);
334 <  conf->name = NULL;
335 <
336 <  switch(type)
337 <  {
338 <  case DLINE_TYPE:
339 <  case EXEMPTDLINE_TYPE:
340 <  case GLINE_TYPE:
341 <  case KLINE_TYPE:
342 <  case CLIENT_TYPE:
343 <  case OPER_TYPE:
344 <  case SERVER_TYPE:
345 <    aconf = map_to_conf(conf);
346 <
347 <    if (aconf->dns_pending)
348 <      delete_resolver_queries(aconf);
349 <    if (aconf->passwd != NULL)
350 <      memset(aconf->passwd, 0, strlen(aconf->passwd));
351 <    if (aconf->spasswd != NULL)
352 <      memset(aconf->spasswd, 0, strlen(aconf->spasswd));
353 <    aconf->class_ptr = NULL;
354 <
355 <    MyFree(aconf->passwd);
356 <    MyFree(aconf->spasswd);
357 <    MyFree(aconf->reason);
358 <    MyFree(aconf->oper_reason);
359 <    MyFree(aconf->user);
360 <    MyFree(aconf->host);
361 < #ifdef HAVE_LIBCRYPTO
362 <    MyFree(aconf->cipher_list);
363 <
364 <    if (aconf->rsa_public_key)
365 <      RSA_free(aconf->rsa_public_key);
366 <    MyFree(aconf->rsa_public_key_file);
367 < #endif
368 <
369 <    /* Yes, sigh. switch on type again */
370 <    switch(type)
371 <    {
372 <    case EXEMPTDLINE_TYPE:
373 <    case DLINE_TYPE:
374 <    case GLINE_TYPE:
375 <    case KLINE_TYPE:
376 <    case CLIENT_TYPE:
377 <      MyFree(conf);
378 <      break;
379 <
380 <    case OPER_TYPE:
381 <      aconf = map_to_conf(conf);
382 <      if (!IsConfIllegal(aconf))
383 <        dlinkDelete(&conf->node, &oconf_items);
384 <      MyFree(conf);
385 <      break;
386 <
387 <    case SERVER_TYPE:
388 <      aconf = map_to_conf(conf);
389 <
390 <      DLINK_FOREACH_SAFE(m, m_next, aconf->hub_list.head)
391 <      {
392 <        MyFree(m->data);
393 <        free_dlink_node(m);
394 <      }
395 <
396 <      DLINK_FOREACH_SAFE(m, m_next, aconf->leaf_list.head)
397 <      {
398 <        MyFree(m->data);
399 <        free_dlink_node(m);  
400 <      }
401 <
402 <      if (!IsConfIllegal(aconf))
403 <        dlinkDelete(&conf->node, &server_items);
404 <      MyFree(conf);
405 <      break;
406 <
407 <    default:
408 <      break;
409 <    }
410 <    break;
411 <
412 <  case ULINE_TYPE:
413 <    match_item = map_to_conf(conf);
414 <    MyFree(match_item->user);
415 <    MyFree(match_item->host);
416 <    MyFree(match_item->reason);
417 <    MyFree(match_item->oper_reason);
418 <    dlinkDelete(&conf->node, &uconf_items);
419 <    MyFree(conf);
420 <    break;
421 <
422 <  case XLINE_TYPE:
423 <    match_item = map_to_conf(conf);
424 <    MyFree(match_item->user);
425 <    MyFree(match_item->host);
426 <    MyFree(match_item->reason);
427 <    MyFree(match_item->oper_reason);
428 <    dlinkDelete(&conf->node, &xconf_items);
429 <    MyFree(conf);
430 <    break;
431 < #ifdef HAVE_LIBPCRE
432 <  case RKLINE_TYPE:
433 <    aconf = map_to_conf(conf);
434 <    MyFree(aconf->regexuser);
435 <    MyFree(aconf->regexhost);
436 <    MyFree(aconf->user);
437 <    MyFree(aconf->host);
438 <    MyFree(aconf->reason);
439 <    MyFree(aconf->oper_reason);
440 <    dlinkDelete(&conf->node, &rkconf_items);
441 <    MyFree(conf);
442 <    break;
165 >  struct MaskItem *const conf = xcalloc(sizeof(*conf));
166 >  dlink_list *list = NULL;
167  
168 <  case RXLINE_TYPE:
169 <    MyFree(conf->regexpname);
170 <    match_item = map_to_conf(conf);
447 <    MyFree(match_item->user);
448 <    MyFree(match_item->host);
449 <    MyFree(match_item->reason);
450 <    MyFree(match_item->oper_reason);
451 <    dlinkDelete(&conf->node, &rxconf_items);
452 <    MyFree(conf);
453 <    break;
454 < #endif
455 <  case NRESV_TYPE:
456 <    match_item = map_to_conf(conf);
457 <    MyFree(match_item->user);
458 <    MyFree(match_item->host);
459 <    MyFree(match_item->reason);
460 <    MyFree(match_item->oper_reason);
461 <    dlinkDelete(&conf->node, &nresv_items);
462 <
463 <    if (conf->flags & CONF_FLAGS_TEMPORARY)
464 <      if ((m = dlinkFindDelete(&temporary_resv, conf)) != NULL)
465 <        free_dlink_node(m);
466 <
467 <    MyFree(conf);
468 <    break;
469 <
470 <  case CLUSTER_TYPE:
471 <    dlinkDelete(&conf->node, &cluster_items);
472 <    MyFree(conf);
473 <    break;
168 >  conf->type   = type;
169 >  conf->active = 1;
170 >  conf->aftype = AF_INET;
171  
172 <  case CRESV_TYPE:
173 <    if (conf->flags & CONF_FLAGS_TEMPORARY)
174 <      if ((m = dlinkFindDelete(&temporary_resv, conf)) != NULL)
478 <        free_dlink_node(m);
479 <
480 <    MyFree(conf);
481 <    break;
482 <
483 <  case CLASS_TYPE:
484 <    dlinkDelete(&conf->node, &class_items);
485 <    MyFree(conf);
486 <    break;
487 <
488 <  case SERVICE_TYPE:
489 <    dlinkDelete(&conf->node, &service_items);
490 <    MyFree(conf);
491 <    break;
492 <
493 <  default:
494 <    break;
495 <  }
172 >  if ((list = map_to_list(type)))
173 >    dlinkAdd(conf, &conf->node, list);
174 >  return conf;
175   }
176  
498 /* free_access_item()
499 *
500 * inputs       - pointer to conf to free
501 * output       - none
502 * side effects - crucial password fields are zeroed, conf is freed
503 */
177   void
178 < free_access_item(struct AccessItem *aconf)
178 > conf_free(struct MaskItem *conf)
179   {
180 <  struct ConfItem *conf;
181 <
509 <  if (aconf == NULL)
510 <    return;
511 <  conf = unmap_conf_item(aconf);
512 <  delete_conf_item(conf);
513 < }
514 <
515 < static const unsigned int shared_bit_table[] =
516 <  { 'K', 'k', 'U', 'X', 'x', 'Y', 'Q', 'q', 'R', 'L', 0};
517 <
518 < /* report_confitem_types()
519 < *
520 < * inputs       - pointer to client requesting confitem report
521 < *              - ConfType to report
522 < * output       - none
523 < * side effects -
524 < */
525 < void
526 < report_confitem_types(struct Client *source_p, ConfType type)
527 < {
528 <  dlink_node *ptr = NULL, *dptr = NULL;
529 <  struct ConfItem *conf = NULL;
530 <  struct AccessItem *aconf = NULL;
531 <  struct MatchItem *matchitem = NULL;
532 <  struct ClassItem *classitem = NULL;
533 <  char buf[12];
534 <  char *p = NULL;
535 <
536 <  switch (type)
537 <  {
538 <  case XLINE_TYPE:
539 <    DLINK_FOREACH(ptr, xconf_items.head)
540 <    {
541 <      conf = ptr->data;
542 <      matchitem = map_to_conf(conf);
543 <
544 <      sendto_one(source_p, form_str(RPL_STATSXLINE),
545 <                 me.name, source_p->name,
546 <                 matchitem->hold ? "x": "X", matchitem->count,
547 <                 conf->name, matchitem->reason);
548 <    }
549 <    break;
550 <
551 < #ifdef HAVE_LIBPCRE
552 <  case RXLINE_TYPE:
553 <    DLINK_FOREACH(ptr, rxconf_items.head)
554 <    {
555 <      conf = ptr->data;
556 <      matchitem = map_to_conf(conf);
557 <
558 <      sendto_one(source_p, form_str(RPL_STATSXLINE),
559 <                 me.name, source_p->name,
560 <                 "XR", matchitem->count,
561 <                 conf->name, matchitem->reason);
562 <    }
563 <    break;
564 <
565 <  case RKLINE_TYPE:
566 <    DLINK_FOREACH(ptr, rkconf_items.head)
567 <    {
568 <      aconf = map_to_conf((conf = ptr->data));
569 <
570 <      sendto_one(source_p, form_str(RPL_STATSKLINE), me.name,
571 <                 source_p->name, "KR", aconf->host, aconf->user,
572 <                 aconf->reason, aconf->oper_reason ? aconf->oper_reason : "");
573 <    }
574 <    break;
575 < #endif
180 >  dlink_node *node = NULL, *node_next = NULL;
181 >  dlink_list *list = NULL;
182  
183 <  case ULINE_TYPE:
184 <    DLINK_FOREACH(ptr, uconf_items.head)
579 <    {
580 <      conf = ptr->data;
581 <      matchitem = map_to_conf(conf);
582 <
583 <      p = buf;
584 <
585 <      /* some of these are redundant for the sake of
586 <       * consistency with cluster{} flags
587 <       */
588 <      *p++ = 'c';
589 <      flags_to_ascii(matchitem->action, shared_bit_table, p, 0);
590 <
591 <      sendto_one(source_p, form_str(RPL_STATSULINE),
592 <                 me.name, source_p->name, conf->name,
593 <                 matchitem->user?matchitem->user: "*",
594 <                 matchitem->host?matchitem->host: "*", buf);
595 <    }
596 <
597 <    DLINK_FOREACH(ptr, cluster_items.head)
598 <    {
599 <      conf = ptr->data;
600 <
601 <      p = buf;
602 <
603 <      *p++ = 'C';
604 <      flags_to_ascii(conf->flags, shared_bit_table, p, 0);
605 <
606 <      sendto_one(source_p, form_str(RPL_STATSULINE),
607 <                 me.name, source_p->name, conf->name,
608 <                 "*", "*", buf);
609 <    }
610 <
611 <    break;
612 <
613 <  case OPER_TYPE:
614 <    DLINK_FOREACH(ptr, oconf_items.head)
615 <    {
616 <      conf = ptr->data;
617 <      aconf = map_to_conf(conf);
618 <
619 <      /* Don't allow non opers to see oper privs */
620 <      if (HasUMode(source_p, UMODE_OPER))
621 <        sendto_one(source_p, form_str(RPL_STATSOLINE),
622 <                   me.name, source_p->name, 'O', aconf->user, aconf->host,
623 <                   conf->name, oper_privs_as_string(aconf->port),
624 <                   aconf->class_ptr ? aconf->class_ptr->name : "<default>");
625 <      else
626 <        sendto_one(source_p, form_str(RPL_STATSOLINE),
627 <                   me.name, source_p->name, 'O', aconf->user, aconf->host,
628 <                   conf->name, "0",
629 <                   aconf->class_ptr ? aconf->class_ptr->name : "<default>");
630 <    }
631 <    break;
632 <
633 <  case CLASS_TYPE:
634 <    DLINK_FOREACH(ptr, class_items.head)
635 <    {
636 <      conf = ptr->data;
637 <      classitem = map_to_conf(conf);
638 <      sendto_one(source_p, form_str(RPL_STATSYLINE),
639 <                 me.name, source_p->name, 'Y',
640 <                 conf->name, classitem->ping_freq,
641 <                 classitem->con_freq,
642 <                 classitem->max_total, classitem->max_sendq,
643 <                 classitem->max_recvq,
644 <                 classitem->curr_user_count,
645 <                 classitem->number_per_cidr, classitem->cidr_bitlen_ipv4,
646 <                 classitem->number_per_cidr, classitem->cidr_bitlen_ipv6,
647 <                 classitem->active ? "active" : "disabled");
648 <    }
649 <    break;
650 <
651 <  case CONF_TYPE:
652 <  case CLIENT_TYPE:
653 <    break;
654 <
655 <  case SERVICE_TYPE:
656 <    DLINK_FOREACH(ptr, service_items.head)
657 <    {
658 <      conf = ptr->data;
659 <      sendto_one(source_p, form_str(RPL_STATSSERVICE),
660 <                 me.name, source_p->name, 'S', "*", conf->name, 0, 0);
661 <    }
662 <    break;
663 <
664 <  case SERVER_TYPE:
665 <    DLINK_FOREACH(ptr, server_items.head)
666 <    {
667 <      p = buf;
668 <
669 <      conf = ptr->data;
670 <      aconf = map_to_conf(conf);
671 <
672 <      buf[0] = '\0';
673 <
674 <      if (IsConfAllowAutoConn(aconf))
675 <        *p++ = 'A';
676 <      if (IsConfSSL(aconf))
677 <        *p++ = 'S';
678 <      if (buf[0] == '\0')
679 <        *p++ = '*';
680 <
681 <      *p = '\0';
183 >  if ((list = map_to_list(conf->type)))
184 >    dlinkFindDelete(list, conf);
185  
186 <      /*
684 <       * Allow admins to see actual ips unless hide_server_ips is enabled
685 <       */
686 <      if (!ConfigServerHide.hide_server_ips && HasUMode(source_p, UMODE_ADMIN))
687 <        sendto_one(source_p, form_str(RPL_STATSCLINE),
688 <                   me.name, source_p->name, 'C', aconf->host,
689 <                   buf, conf->name, aconf->port,
690 <                   aconf->class_ptr ? aconf->class_ptr->name : "<default>");
691 <        else
692 <          sendto_one(source_p, form_str(RPL_STATSCLINE),
693 <                     me.name, source_p->name, 'C',
694 <                     "*@127.0.0.1", buf, conf->name, aconf->port,
695 <                     aconf->class_ptr ? aconf->class_ptr->name : "<default>");
696 <    }
697 <    break;
698 <
699 <  case HUB_TYPE:
700 <    DLINK_FOREACH(ptr, server_items.head)
701 <    {
702 <      conf = ptr->data;
703 <      aconf = map_to_conf(conf);
704 <
705 <      DLINK_FOREACH(dptr, aconf->hub_list.head)
706 <        sendto_one(source_p, form_str(RPL_STATSHLINE), me.name,
707 <                   source_p->name, 'H', dptr->data, conf->name, 0, "*");
708 <    }
709 <    break;
710 <
711 <  case LEAF_TYPE:
712 <    DLINK_FOREACH(ptr, server_items.head)
713 <    {
714 <      conf = ptr->data;
715 <      aconf = map_to_conf(conf);
186 >  xfree(conf->name);
187  
188 <      DLINK_FOREACH(dptr, aconf->leaf_list.head)
189 <        sendto_one(source_p, form_str(RPL_STATSLLINE), me.name,
190 <                   source_p->name, 'L', dptr->data, conf->name, 0, "*");
191 <    }
192 <    break;
188 >  if (conf->dns_pending)
189 >    delete_resolver_queries(conf);
190 >  if (conf->passwd)
191 >    memset(conf->passwd, 0, strlen(conf->passwd));
192 >  if (conf->spasswd)
193 >    memset(conf->spasswd, 0, strlen(conf->spasswd));
194  
195 <  case GLINE_TYPE:
724 <  case KLINE_TYPE:
725 <  case DLINE_TYPE:
726 <  case EXEMPTDLINE_TYPE:
727 <  case CRESV_TYPE:
728 <  case NRESV_TYPE:
729 <  case CLUSTER_TYPE:
730 <  default:
731 <    break;
732 <  }
733 < }
195 >  conf->class = NULL;
196  
197 < /* check_client()
198 < *
199 < * inputs       - pointer to client
200 < * output       - 0 = Success
201 < *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
202 < *                IRCD_SOCKET_ERROR (-2) = Bad socket.
203 < *                I_LINE_FULL       (-3) = I-line is full
204 < *                TOO_MANY          (-4) = Too many connections from hostname
743 < *                BANNED_CLIENT     (-5) = K-lined
744 < * side effects - Ordinary client access check.
745 < *                Look for conf lines which have the same
746 < *                status as the flags passed.
747 < */
748 < static void *
749 < check_client(va_list args)
750 < {
751 <  struct Client *source_p = va_arg(args, struct Client *);
752 <  const char *username = va_arg(args, const char *);
753 <  int i;
754 <
755 <  /* I'm already in big trouble if source_p->localClient is NULL -db */
756 <  if ((i = verify_access(source_p, username)))
757 <    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
758 <         source_p->name, source_p->sockhost);
197 >  xfree(conf->passwd);
198 >  xfree(conf->spasswd);
199 >  xfree(conf->reason);
200 >  xfree(conf->certfp);
201 >  xfree(conf->whois);
202 >  xfree(conf->user);
203 >  xfree(conf->host);
204 >  xfree(conf->cipher_list);
205  
206 <  switch (i)
206 >  DLINK_FOREACH_SAFE(node, node_next, conf->hub_list.head)
207    {
208 <    case TOO_MANY:
209 <      sendto_realops_flags(UMODE_FULL, L_ALL,
210 <                           "Too many on IP for %s (%s).",
765 <                           get_client_name(source_p, SHOW_IP),
766 <                           source_p->sockhost);
767 <      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
768 <           get_client_name(source_p, SHOW_IP));
769 <      ++ServerStats.is_ref;
770 <      exit_client(source_p, &me, "No more connections allowed on that IP");
771 <      break;
772 <
773 <    case I_LINE_FULL:
774 <      sendto_realops_flags(UMODE_FULL, L_ALL,
775 <                           "I-line is full for %s (%s).",
776 <                           get_client_name(source_p, SHOW_IP),
777 <                           source_p->sockhost);
778 <      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
779 <           get_client_name(source_p, SHOW_IP));
780 <      ++ServerStats.is_ref;
781 <      exit_client(source_p, &me,
782 <                "No more connections allowed in your connection class");
783 <      break;
784 <
785 <    case NOT_AUTHORIZED:
786 <      ++ServerStats.is_ref;
787 <      /* jdc - lists server name & port connections are on */
788 <      /*       a purely cosmetical change */
789 <      sendto_realops_flags(UMODE_UNAUTH, L_ALL,
790 <                           "Unauthorized client connection from %s [%s] on [%s/%u].",
791 <                           get_client_name(source_p, SHOW_IP),
792 <                           source_p->sockhost,
793 <                           source_p->localClient->listener->name,
794 <                           source_p->localClient->listener->port);
795 <      ilog(LOG_TYPE_IRCD,
796 <          "Unauthorized client connection from %s on [%s/%u].",
797 <          get_client_name(source_p, SHOW_IP),
798 <          source_p->localClient->listener->name,
799 <          source_p->localClient->listener->port);
800 <
801 <      /* XXX It is prolematical whether it is better to use the
802 <       * capture reject code here or rely on the connecting too fast code.
803 <       * - Dianora
804 <       */
805 <      if (REJECT_HOLD_TIME > 0)
806 <      {
807 <        sendto_one(source_p, ":%s NOTICE %s :You are not authorized to use this server",
808 <                   me.name, source_p->name);
809 <        source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
810 <        SetCaptured(source_p);
811 <      }
812 <      else
813 <        exit_client(source_p, &me, "You are not authorized to use this server");
814 <      break;
815 <
816 <   case BANNED_CLIENT:
817 <     /*
818 <      * Don't exit them immediately, play with them a bit.
819 <      * - Dianora
820 <      */
821 <     if (REJECT_HOLD_TIME > 0)
822 <     {
823 <       source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
824 <       SetCaptured(source_p);
825 <     }
826 <     else
827 <       exit_client(source_p, &me, "Banned");
828 <     ++ServerStats.is_ref;
829 <     break;
830 <
831 <   case 0:
832 <   default:
833 <     break;
208 >    xfree(node->data);
209 >    dlinkDelete(node, &conf->hub_list);
210 >    free_dlink_node(node);
211    }
212  
213 <  return (i < 0 ? NULL : source_p);
837 < }
838 <
839 < /* verify_access()
840 < *
841 < * inputs       - pointer to client to verify
842 < *              - pointer to proposed username
843 < * output       - 0 if success -'ve if not
844 < * side effect  - find the first (best) I line to attach.
845 < */
846 < static int
847 < verify_access(struct Client *client_p, const char *username)
848 < {
849 <  struct AccessItem *aconf = NULL, *rkconf = NULL;
850 <  struct ConfItem *conf = NULL;
851 <  char non_ident[USERLEN + 1] = { '~', '\0' };
852 <  const char *uhi[3];
853 <
854 <  if (IsGotId(client_p))
855 <  {
856 <    aconf = find_address_conf(client_p->host, client_p->username,
857 <                             &client_p->localClient->ip,
858 <                             client_p->localClient->aftype,
859 <                             client_p->localClient->passwd);
860 <  }
861 <  else
213 >  DLINK_FOREACH_SAFE(node, node_next, conf->leaf_list.head)
214    {
215 <    strlcpy(non_ident+1, username, sizeof(non_ident)-1);
216 <    aconf = find_address_conf(client_p->host,non_ident,
217 <                             &client_p->localClient->ip,
866 <                             client_p->localClient->aftype,
867 <                             client_p->localClient->passwd);
215 >    xfree(node->data);
216 >    dlinkDelete(node, &conf->leaf_list);
217 >    free_dlink_node(node);
218    }
219  
220 <  uhi[0] = IsGotId(client_p) ? client_p->username : non_ident;
871 <  uhi[1] = client_p->host;
872 <  uhi[2] = client_p->sockhost;
873 <
874 <  rkconf = find_regexp_kline(uhi);
875 <
876 <  if (aconf != NULL)
220 >  DLINK_FOREACH_SAFE(node, node_next, conf->exempt_list.head)
221    {
222 <    if (IsConfClient(aconf) && !rkconf)
879 <    {
880 <      conf = unmap_conf_item(aconf);
881 <
882 <      if (IsConfRedir(aconf))
883 <      {
884 <        sendto_one(client_p, form_str(RPL_REDIR),
885 <                   me.name, client_p->name,
886 <                   conf->name ? conf->name : "",
887 <                   aconf->port);
888 <        return(NOT_AUTHORIZED);
889 <      }
890 <
891 <      if (IsConfDoIdentd(aconf))
892 <        SetNeedId(client_p);
893 <
894 <      /* Thanks for spoof idea amm */
895 <      if (IsConfDoSpoofIp(aconf))
896 <      {
897 <        conf = unmap_conf_item(aconf);
222 >    struct exempt *exptr = node->data;
223  
224 <        if (!ConfigFileEntry.hide_spoof_ips && IsConfSpoofNotice(aconf))
225 <          sendto_realops_flags(UMODE_ALL, L_ADMIN, "%s spoofing: %s as %s",
226 <                               client_p->name, client_p->host, conf->name);
227 <        strlcpy(client_p->host, conf->name, sizeof(client_p->host));
228 <        SetIPSpoof(client_p);
904 <      }
905 <
906 <      return(attach_iline(client_p, conf));
907 <    }
908 <    else if (rkconf || IsConfKill(aconf) || (ConfigFileEntry.glines && IsConfGline(aconf)))
909 <    {
910 <      /* XXX */
911 <      aconf = rkconf ? rkconf : aconf;
912 <      if (IsConfGline(aconf))
913 <        sendto_one(client_p, ":%s NOTICE %s :*** G-lined", me.name,
914 <                   client_p->name);
915 <      if (ConfigFileEntry.kline_with_reason)
916 <        sendto_one(client_p, ":%s NOTICE %s :*** Banned %s",
917 <                  me.name, client_p->name, aconf->reason);
918 <      return(BANNED_CLIENT);
919 <    }
224 >    dlinkDelete(node, &conf->exempt_list);
225 >    xfree(exptr->name);
226 >    xfree(exptr->user);
227 >    xfree(exptr->host);
228 >    xfree(exptr);
229    }
230  
231 <  return(NOT_AUTHORIZED);
231 >  xfree(conf);
232   }
233  
234   /* attach_iline()
235   *
236 < * inputs       - client pointer
237 < *              - conf pointer
238 < * output       -
239 < * side effects - do actual attach
236 > * inputs       - client pointer
237 > *              - conf pointer
238 > * output       -
239 > * side effects - do actual attach
240   */
241   static int
242 < attach_iline(struct Client *client_p, struct ConfItem *conf)
242 > attach_iline(struct Client *client_p, struct MaskItem *conf)
243   {
244 <  struct AccessItem *aconf;
936 <  struct ClassItem *aclass;
244 >  const struct ClassItem *const class = conf->class;
245    struct ip_entry *ip_found;
246    int a_limit_reached = 0;
247 <  int local = 0, global = 0, ident = 0;
247 >  unsigned int local = 0, global = 0, ident = 0;
248  
249 <  ip_found = find_or_add_ip(&client_p->localClient->ip);
249 >  ip_found = ipcache_find_or_add_address(&client_p->connection->ip);
250    ip_found->count++;
251 <  SetIpHash(client_p);
944 <
945 <  aconf = map_to_conf(conf);
946 <  if (aconf->class_ptr == NULL)
947 <    return NOT_AUTHORIZED;  /* If class is missing, this is best */
948 <
949 <  aclass = map_to_conf(aconf->class_ptr);
251 >  AddFlag(client_p, FLAGS_IPHASH);
252  
253 <  count_user_host(client_p->username, client_p->host,
254 <                  &global, &local, &ident);
253 >  userhost_count(client_p->username, client_p->host,
254 >                 &global, &local, &ident);
255  
256    /* XXX blah. go down checking the various silly limits
257     * setting a_limit_reached if any limit is reached.
258     * - Dianora
259     */
260 <  if (aclass->max_total != 0 && aclass->curr_user_count >= aclass->max_total)
260 >  if (class->max_total && class->ref_count >= class->max_total)
261      a_limit_reached = 1;
262 <  else if (aclass->max_perip != 0 && ip_found->count > aclass->max_perip)
262 >  else if (class->max_perip && ip_found->count > class->max_perip)
263      a_limit_reached = 1;
264 <  else if (aclass->max_local != 0 && local >= aclass->max_local)
264 >  else if (class->max_local && local >= class->max_local)
265      a_limit_reached = 1;
266 <  else if (aclass->max_global != 0 && global >= aclass->max_global)
266 >  else if (class->max_global && global >= class->max_global)
267      a_limit_reached = 1;
268 <  else if (aclass->max_ident != 0 && ident >= aclass->max_ident &&
268 >  else if (class->max_ident && ident >= class->max_ident &&
269             client_p->username[0] != '~')
270      a_limit_reached = 1;
271  
272    if (a_limit_reached)
273    {
274 <    if (!IsConfExemptLimits(aconf))
274 >    if (!IsConfExemptLimits(conf))
275        return TOO_MANY;   /* Already at maximum allowed */
276  
277 <    sendto_one(client_p,
278 <               ":%s NOTICE %s :*** Your connection class is full, "
977 <               "but you have exceed_limit = yes;", me.name, client_p->name);
277 >    sendto_one_notice(client_p, &me, ":*** Your connection class is full, "
278 >                      "but you have exceed_limit = yes;");
279    }
280  
281    return attach_conf(client_p, conf);
282   }
283  
284 < /* init_ip_hash_table()
984 < *
985 < * inputs               - NONE
986 < * output               - NONE
987 < * side effects         - allocate memory for ip_entry(s)
988 < *                      - clear the ip hash table
989 < */
990 < void
991 < init_ip_hash_table(void)
992 < {
993 <  ip_entry_heap = BlockHeapCreate("ip", sizeof(struct ip_entry),
994 <    2 * hard_fdlimit);
995 <  memset(ip_hash_table, 0, sizeof(ip_hash_table));
996 < }
997 <
998 < /* find_or_add_ip()
999 < *
1000 < * inputs       - pointer to struct irc_ssaddr
1001 < * output       - pointer to a struct ip_entry
1002 < * side effects -
284 > /* verify_access()
285   *
286 < * If the ip # was not found, a new struct ip_entry is created, and the ip
287 < * count set to 0.
286 > * inputs       - pointer to client to verify
287 > * output       - 0 if success -'ve if not
288 > * side effect  - find the first (best) I line to attach.
289   */
290 < static struct ip_entry *
291 < find_or_add_ip(struct irc_ssaddr *ip_in)
290 > static int
291 > verify_access(struct Client *client_p)
292   {
293 <  struct ip_entry *ptr, *newptr;
1011 <  int hash_index = hash_ip(ip_in), res;
1012 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
1013 < #ifdef IPV6
1014 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
1015 < #endif
293 >  struct MaskItem *conf = NULL;
294  
295 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
295 >  if (HasFlag(client_p, FLAGS_GOTID))
296    {
297 < #ifdef IPV6
298 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
299 <      continue;
300 <    if (ip_in->ss.ss_family == AF_INET6)
1023 <    {
1024 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
1025 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
1026 <    }
1027 <    else
1028 < #endif
1029 <    {
1030 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
1031 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
1032 <    }
1033 <    if (res == 0)
1034 <    {
1035 <      /* Found entry already in hash, return it. */
1036 <      return ptr;
1037 <    }
297 >    conf = find_address_conf(client_p->host, client_p->username,
298 >                             &client_p->connection->ip,
299 >                             client_p->connection->aftype,
300 >                             client_p->connection->password);
301    }
302 +  else
303 +  {
304 +    char non_ident[USERLEN + 1] = "~";
305  
306 <  if (ip_entries_count >= 2 * hard_fdlimit)
307 <    garbage_collect_ip_entries();
308 <
309 <  newptr = BlockHeapAlloc(ip_entry_heap);
310 <  ip_entries_count++;
311 <  memcpy(&newptr->ip, ip_in, sizeof(struct irc_ssaddr));
1046 <
1047 <  newptr->next = ip_hash_table[hash_index];
1048 <  ip_hash_table[hash_index] = newptr;
306 >    strlcpy(non_ident + 1, client_p->username, sizeof(non_ident) - 1);
307 >    conf = find_address_conf(client_p->host, non_ident,
308 >                             &client_p->connection->ip,
309 >                             client_p->connection->aftype,
310 >                             client_p->connection->password);
311 >  }
312  
313 <  return newptr;
314 < }
313 >  if (!conf)
314 >    return NOT_AUTHORIZED;
315  
316 < /* remove_one_ip()
1054 < *
1055 < * inputs        - unsigned long IP address value
1056 < * output        - NONE
1057 < * side effects  - The ip address given, is looked up in ip hash table
1058 < *                 and number of ip#'s for that ip decremented.
1059 < *                 If ip # count reaches 0 and has expired,
1060 < *                 the struct ip_entry is returned to the ip_entry_heap
1061 < */
1062 < void
1063 < remove_one_ip(struct irc_ssaddr *ip_in)
1064 < {
1065 <  struct ip_entry *ptr;
1066 <  struct ip_entry *last_ptr = NULL;
1067 <  int hash_index = hash_ip(ip_in), res;
1068 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
1069 < #ifdef IPV6
1070 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
1071 < #endif
316 >  assert(IsConfClient(conf) || IsConfKill(conf));
317  
318 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
318 >  if (IsConfClient(conf))
319    {
320 < #ifdef IPV6
1076 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
1077 <      continue;
1078 <    if (ip_in->ss.ss_family == AF_INET6)
320 >    if (IsConfRedir(conf))
321      {
322 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
323 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
322 >      sendto_one_numeric(client_p, &me, RPL_REDIR,
323 >                         conf->name ? conf->name : "",
324 >                         conf->port);
325 >      return NOT_AUTHORIZED;
326      }
327 <    else
328 < #endif
1085 <    {
1086 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
1087 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
1088 <    }
1089 <    if (res)
1090 <      continue;
1091 <    if (ptr->count > 0)
1092 <      ptr->count--;
1093 <    if (ptr->count == 0 &&
1094 <        (CurrentTime-ptr->last_attempt) >= ConfigFileEntry.throttle_time)
327 >
328 >    if (IsConfDoSpoofIp(conf))
329      {
330 <      if (last_ptr != NULL)
331 <        last_ptr->next = ptr->next;
332 <      else
1099 <        ip_hash_table[hash_index] = ptr->next;
330 >      if (IsConfSpoofNotice(conf))
331 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE, "%s spoofing: %s as %s",
332 >                             client_p->name, client_p->host, conf->name);
333  
334 <      BlockHeapFree(ip_entry_heap, ptr);
1102 <      ip_entries_count--;
1103 <      return;
334 >      strlcpy(client_p->host, conf->name, sizeof(client_p->host));
335      }
1105    last_ptr = ptr;
1106  }
1107 }
1108
1109 /* hash_ip()
1110 *
1111 * input        - pointer to an irc_inaddr
1112 * output       - integer value used as index into hash table
1113 * side effects - hopefully, none
1114 */
1115 static int
1116 hash_ip(struct irc_ssaddr *addr)
1117 {
1118  if (addr->ss.ss_family == AF_INET)
1119  {
1120    struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
1121    int hash;
1122    uint32_t ip;
336  
337 <    ip   = ntohl(v4->sin_addr.s_addr);
1125 <    hash = ((ip >> 12) + ip) & (IP_HASH_SIZE-1);
1126 <    return hash;
337 >    return attach_iline(client_p, conf);
338    }
339 < #ifdef IPV6
340 <  else
341 <  {
1131 <    int hash;
1132 <    struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr;
1133 <    uint32_t *ip = (uint32_t *)&v6->sin6_addr.s6_addr;
1134 <
1135 <    hash  = ip[0] ^ ip[3];
1136 <    hash ^= hash >> 16;  
1137 <    hash ^= hash >> 8;  
1138 <    hash  = hash & (IP_HASH_SIZE - 1);
1139 <    return hash;
1140 <  }
1141 < #else
1142 <  return 0;
1143 < #endif
339 >
340 >  sendto_one_notice(client_p, &me, ":*** Banned: %s", conf->reason);
341 >  return BANNED_CLIENT;
342   }
343  
344 < /* count_ip_hash()
1147 < *
1148 < * inputs        - pointer to counter of number of ips hashed
1149 < *               - pointer to memory used for ip hash
1150 < * output        - returned via pointers input
1151 < * side effects  - NONE
344 > /* check_client()
345   *
346 < * number of hashed ip #'s is counted up, plus the amount of memory
347 < * used in the hash.
346 > * inputs       - pointer to client
347 > * output       - 0 = Success
348 > *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
349 > *                IRCD_SOCKET_ERROR (-2) = Bad socket.
350 > *                I_LINE_FULL       (-3) = I-line is full
351 > *                TOO_MANY          (-4) = Too many connections from hostname
352 > *                BANNED_CLIENT     (-5) = K-lined
353 > * side effects - Ordinary client access check.
354 > *                Look for conf lines which have the same
355 > *                status as the flags passed.
356   */
357 < void
358 < count_ip_hash(unsigned int *number_ips_stored, uint64_t *mem_ips_stored)
357 > int
358 > check_client(struct Client *source_p)
359   {
1159  struct ip_entry *ptr;
360    int i;
361  
362 <  *number_ips_stored = 0;
363 <  *mem_ips_stored    = 0;
362 >  if ((i = verify_access(source_p)))
363 >    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
364 >         source_p->name, source_p->sockhost);
365  
366 <  for (i = 0; i < IP_HASH_SIZE; i++)
366 >  switch (i)
367    {
368 <    for (ptr = ip_hash_table[i]; ptr; ptr = ptr->next)
369 <    {
370 <      *number_ips_stored += 1;
371 <      *mem_ips_stored += sizeof(struct ip_entry);
372 <    }
373 <  }
374 < }
368 >    case TOO_MANY:
369 >      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
370 >                           "Too many on IP for %s (%s).",
371 >                           get_client_name(source_p, SHOW_IP),
372 >                           source_p->sockhost);
373 >      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
374 >           get_client_name(source_p, SHOW_IP));
375 >      ++ServerStats.is_ref;
376 >      exit_client(source_p, "No more connections allowed on that IP");
377 >      break;
378  
379 < /* garbage_collect_ip_entries()
380 < *
381 < * input        - NONE
382 < * output       - NONE
383 < * side effects - free up all ip entries with no connections
384 < */
385 < static void
386 < garbage_collect_ip_entries(void)
387 < {
388 <  struct ip_entry *ptr;
1185 <  struct ip_entry *last_ptr;
1186 <  struct ip_entry *next_ptr;
1187 <  int i;
379 >    case I_LINE_FULL:
380 >      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
381 >                           "auth {} block is full for %s (%s).",
382 >                           get_client_name(source_p, SHOW_IP),
383 >                           source_p->sockhost);
384 >      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
385 >           get_client_name(source_p, SHOW_IP));
386 >      ++ServerStats.is_ref;
387 >      exit_client(source_p, "No more connections allowed in your connection class");
388 >      break;
389  
390 <  for (i = 0; i < IP_HASH_SIZE; i++)
391 <  {
392 <    last_ptr = NULL;
390 >    case NOT_AUTHORIZED:
391 >      /* jdc - lists server name & port connections are on */
392 >      /*       a purely cosmetical change */
393 >      sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
394 >                           "Unauthorized client connection from %s [%s] on [%s/%u].",
395 >                           get_client_name(source_p, SHOW_IP),
396 >                           source_p->sockhost,
397 >                           source_p->connection->listener->name,
398 >                           source_p->connection->listener->port);
399 >      ilog(LOG_TYPE_IRCD, "Unauthorized client connection from %s on [%s/%u].",
400 >           get_client_name(source_p, SHOW_IP),
401 >           source_p->connection->listener->name,
402 >           source_p->connection->listener->port);
403  
404 <    for (ptr = ip_hash_table[i]; ptr; ptr = next_ptr)
405 <    {
406 <      next_ptr = ptr->next;
404 >      ++ServerStats.is_ref;
405 >      exit_client(source_p, "You are not authorized to use this server");
406 >      break;
407  
408 <      if (ptr->count == 0 &&
409 <          (CurrentTime - ptr->last_attempt) >= ConfigFileEntry.throttle_time)
410 <      {
411 <        if (last_ptr != NULL)
412 <          last_ptr->next = ptr->next;
413 <        else
414 <          ip_hash_table[i] = ptr->next;
415 <        BlockHeapFree(ip_entry_heap, ptr);
1205 <        ip_entries_count--;
1206 <      }
1207 <      else
1208 <        last_ptr = ptr;
1209 <    }
408 >    case BANNED_CLIENT:
409 >      ++ServerStats.is_ref;
410 >      exit_client(source_p, "Banned");
411 >      break;
412 >
413 >    case 0:
414 >    default:
415 >      break;
416    }
417 +
418 +  return !(i < 0);
419   }
420  
421   /* detach_conf()
# Line 1218 | Line 426 | garbage_collect_ip_entries(void)
426   * side effects - Disassociate configuration from the client.
427   *                Also removes a class from the list if marked for deleting.
428   */
429 < int
430 < detach_conf(struct Client *client_p, ConfType type)
429 > void
430 > detach_conf(struct Client *client_p, enum maskitem_type type)
431   {
432 <  dlink_node *ptr, *next_ptr;
1225 <  struct ConfItem *conf;
1226 <  struct ClassItem *aclass;
1227 <  struct AccessItem *aconf;
1228 <  struct ConfItem *aclass_conf;
432 >  dlink_node *node = NULL, *node_next = NULL;
433  
434 <  DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->confs.head)
434 >  DLINK_FOREACH_SAFE(node, node_next, client_p->connection->confs.head)
435    {
436 <    conf = ptr->data;
1233 <
1234 <    if (type == CONF_TYPE || conf->type == type)
1235 <    {
1236 <      dlinkDelete(ptr, &client_p->localClient->confs);
1237 <      free_dlink_node(ptr);
1238 <
1239 <      switch (conf->type)
1240 <      {
1241 <      case CLIENT_TYPE:
1242 <      case OPER_TYPE:
1243 <      case SERVER_TYPE:
1244 <        aconf = map_to_conf(conf);
1245 <
1246 <        assert(aconf->clients > 0);
436 >    struct MaskItem *conf = node->data;
437  
438 <        if ((aclass_conf = aconf->class_ptr) != NULL)
439 <        {
440 <          aclass = map_to_conf(aclass_conf);
438 >    assert(conf->type & (CONF_CLIENT | CONF_OPER | CONF_SERVER));
439 >    assert(conf->ref_count > 0);
440 >    assert(conf->class->ref_count > 0);
441  
442 <          assert(aclass->curr_user_count > 0);
443 <
1254 <          if (conf->type == CLIENT_TYPE)
1255 <            remove_from_cidr_check(&client_p->localClient->ip, aclass);
1256 <          if (--aclass->curr_user_count == 0 && aclass->active == 0)
1257 <            delete_conf_item(aclass_conf);
1258 <        }
442 >    if (!(conf->type & type))
443 >      continue;
444  
445 <        if (--aconf->clients == 0 && IsConfIllegal(aconf))
446 <          delete_conf_item(conf);
445 >    dlinkDelete(node, &client_p->connection->confs);
446 >    free_dlink_node(node);
447  
448 <        break;
449 <      default:
1265 <        break;
1266 <      }
448 >    if (conf->type == CONF_CLIENT)
449 >      remove_from_cidr_check(&client_p->connection->ip, conf->class);
450  
451 <      if (type != CONF_TYPE)
452 <        return 0;
451 >    if (--conf->class->ref_count == 0 && conf->class->active == 0)
452 >    {
453 >      class_free(conf->class);
454 >      conf->class = NULL;
455      }
1271  }
456  
457 <  return -1;
457 >    if (--conf->ref_count == 0 && conf->active == 0)
458 >      conf_free(conf);
459 >  }
460   }
461  
462   /* attach_conf()
# Line 1284 | Line 470 | detach_conf(struct Client *client_p, Con
470   *                attachment if there was an old one...
471   */
472   int
473 < attach_conf(struct Client *client_p, struct ConfItem *conf)
473 > attach_conf(struct Client *client_p, struct MaskItem *conf)
474   {
475 <  struct AccessItem *aconf = map_to_conf(conf);
1290 <  struct ClassItem *aclass = map_to_conf(aconf->class_ptr);
1291 <
1292 <  if (dlinkFind(&client_p->localClient->confs, conf) != NULL)
475 >  if (dlinkFind(&client_p->connection->confs, conf))
476      return 1;
477  
478 <  if (IsConfIllegal(aconf)) /* TBV: can't happen */
479 <    return NOT_AUTHORIZED;
480 <
1298 <  if (conf->type == CLIENT_TYPE)
1299 <    if (cidr_limit_reached(IsConfExemptLimits(aconf),
1300 <                           &client_p->localClient->ip, aclass))
478 >  if (conf->type == CONF_CLIENT)
479 >    if (cidr_limit_reached(IsConfExemptLimits(conf),
480 >                           &client_p->connection->ip, conf->class))
481        return TOO_MANY;    /* Already at maximum allowed */
482  
483 <  aclass->curr_user_count++;
484 <  aconf->clients++;
483 >  conf->class->ref_count++;
484 >  conf->ref_count++;
485  
486 <  dlinkAdd(conf, make_dlink_node(), &client_p->localClient->confs);
486 >  dlinkAdd(conf, make_dlink_node(), &client_p->connection->confs);
487  
488    return 0;
489   }
# Line 1320 | Line 500 | int
500   attach_connect_block(struct Client *client_p, const char *name,
501                       const char *host)
502   {
503 <  dlink_node *ptr;
1324 <  struct ConfItem *conf;
1325 <  struct AccessItem *aconf;
503 >  dlink_node *node = NULL;
504  
505 <  assert(client_p != NULL);
1328 <  assert(host != NULL);
505 >  assert(host);
506  
507 <  if (client_p == NULL || host == NULL)
1331 <    return 0;
1332 <
1333 <  DLINK_FOREACH(ptr, server_items.head)
507 >  DLINK_FOREACH(node, server_items.head)
508    {
509 <    conf = ptr->data;
1336 <    aconf = map_to_conf(conf);
509 >    struct MaskItem *conf = node->data;
510  
511 <    if (match(conf->name, name) == 0 || match(aconf->host, host) == 0)
511 >    if (match(conf->name, name) || match(conf->host, host))
512        continue;
513  
514      attach_conf(client_p, conf);
515 <    return -1;
515 >    return 1;
516    }
517  
518    return 0;
519   }
520  
1348 /* find_conf_exact()
1349 *
1350 * inputs       - type of ConfItem
1351 *              - pointer to name to find
1352 *              - pointer to username to find
1353 *              - pointer to host to find
1354 * output       - NULL or pointer to conf found
1355 * side effects - find a conf entry which matches the hostname
1356 *                and has the same name.
1357 */
1358 struct ConfItem *
1359 find_conf_exact(ConfType type, const char *name, const char *user,
1360                const char *host)
1361 {
1362  dlink_node *ptr;
1363  dlink_list *list_p;
1364  struct ConfItem *conf = NULL;
1365  struct AccessItem *aconf;
1366
1367  /* Only valid for OPER_TYPE and ...? */
1368  list_p = map_to_list(type);
1369
1370  DLINK_FOREACH(ptr, (*list_p).head)
1371  {
1372    conf = ptr->data;
1373
1374    if (conf->name == NULL)
1375      continue;
1376    aconf = map_to_conf(conf);
1377    if (aconf->host == NULL)
1378      continue;
1379    if (irccmp(conf->name, name) != 0)
1380      continue;
1381
1382    /*
1383    ** Accept if the *real* hostname (usually sockethost)
1384    ** socket host) matches *either* host or name field
1385    ** of the configuration.
1386    */
1387    if (!match(aconf->host, host) || !match(aconf->user, user))
1388      continue;
1389    if (type == OPER_TYPE)
1390    {
1391      struct ClassItem *aclass = map_to_conf(aconf->class_ptr);
1392
1393      if (aconf->clients >= aclass->max_total)
1394        continue;
1395    }
1396
1397    return conf;
1398  }
1399
1400  return NULL;
1401 }
1402
521   /* find_conf_name()
522   *
523   * inputs       - pointer to conf link list to search
# Line 1409 | Line 527 | find_conf_exact(ConfType type, const cha
527   * side effects - find a conf entry which matches the name
528   *                and has the given mask.
529   */
530 < struct ConfItem *
531 < find_conf_name(dlink_list *list, const char *name, ConfType type)
530 > struct MaskItem *
531 > find_conf_name(dlink_list *list, const char *name, enum maskitem_type type)
532   {
533 <  dlink_node *ptr;
1416 <  struct ConfItem* conf;
533 >  dlink_node *node = NULL;
534  
535 <  DLINK_FOREACH(ptr, list->head)
535 >  DLINK_FOREACH(node, list->head)
536    {
537 <    conf = ptr->data;
538 <    
537 >    struct MaskItem *conf = node->data;
538 >
539      if (conf->type == type)
540      {
541 <      if (conf->name && (irccmp(conf->name, name) == 0 ||
542 <                         match(conf->name, name)))
1426 <      return conf;
541 >      if (conf->name && !irccmp(conf->name, name))
542 >        return conf;
543      }
544    }
545  
546    return NULL;
547   }
548  
1433 /* map_to_list()
1434 *
1435 * inputs       - ConfType conf
1436 * output       - pointer to dlink_list to use
1437 * side effects - none
1438 */
1439 static dlink_list *
1440 map_to_list(ConfType type)
1441 {
1442  switch(type)
1443  {
1444  case RXLINE_TYPE:
1445    return(&rxconf_items);
1446    break;
1447  case XLINE_TYPE:
1448    return(&xconf_items);
1449    break;
1450  case ULINE_TYPE:
1451    return(&uconf_items);
1452    break;
1453  case NRESV_TYPE:
1454    return(&nresv_items);
1455    break;
1456  case OPER_TYPE:
1457    return(&oconf_items);
1458    break;
1459  case CLASS_TYPE:
1460    return(&class_items);
1461    break;
1462  case SERVER_TYPE:
1463    return(&server_items);
1464    break;
1465  case SERVICE_TYPE:
1466    return(&service_items);
1467    break;
1468  case CLUSTER_TYPE:
1469    return(&cluster_items);
1470    break;
1471  case CONF_TYPE:
1472  case GLINE_TYPE:
1473  case KLINE_TYPE:
1474  case DLINE_TYPE:
1475  case CRESV_TYPE:
1476  default:
1477    return NULL;
1478  }
1479 }
1480
549   /* find_matching_name_conf()
550   *
551   * inputs       - type of link list to look in
552   *              - pointer to name string to find
553   *              - pointer to user
554   *              - pointer to host
555 < *              - optional action to match on as well
556 < * output       - NULL or pointer to found struct MatchItem
555 > *              - optional flags to match on as well
556 > * output       - NULL or pointer to found struct MaskItem
557   * side effects - looks for a match on name field
558   */
559 < struct ConfItem *
560 < find_matching_name_conf(ConfType type, const char *name, const char *user,
561 <                        const char *host, int action)
562 < {
563 <  dlink_node *ptr=NULL;
564 <  struct ConfItem *conf=NULL;
565 <  struct AccessItem *aconf=NULL;
1498 <  struct MatchItem *match_item=NULL;
1499 <  dlink_list *list_p = map_to_list(type);
559 > struct MaskItem *
560 > find_matching_name_conf(enum maskitem_type type, const char *name, const char *user,
561 >                        const char *host, unsigned int flags)
562 > {
563 >  dlink_node *node = NULL;
564 >  dlink_list *list = map_to_list(type);
565 >  struct MaskItem *conf = NULL;
566  
567    switch (type)
568    {
569 < #ifdef HAVE_LIBPCRE
570 <  case RXLINE_TYPE:
1505 <      DLINK_FOREACH(ptr, list_p->head)
1506 <      {
1507 <        conf = ptr->data;
1508 <        assert(conf->regexpname);
1509 <
1510 <        if (!ircd_pcre_exec(conf->regexpname, name))
1511 <          return conf;
1512 <      }
1513 <      break;
1514 < #endif
1515 <  case SERVICE_TYPE:
1516 <    DLINK_FOREACH(ptr, list_p->head)
569 >  case CONF_SERVICE:
570 >    DLINK_FOREACH(node, list->head)
571      {
572 <      conf = ptr->data;
572 >      conf = node->data;
573  
574        if (EmptyString(conf->name))
575          continue;
576 <      if ((name != NULL) && !irccmp(name, conf->name))
576 >      if (name && !irccmp(name, conf->name))
577          return conf;
578      }
579      break;
580  
581 <  case XLINE_TYPE:
582 <  case ULINE_TYPE:
583 <  case NRESV_TYPE:
584 <    DLINK_FOREACH(ptr, list_p->head)
581 >  case CONF_XLINE:
582 >  case CONF_NRESV:
583 >  case CONF_CRESV:
584 >    DLINK_FOREACH(node, list->head)
585      {
586 <      conf = ptr->data;
586 >      conf = node->data;
587  
1534      match_item = map_to_conf(conf);
588        if (EmptyString(conf->name))
589 <        continue;
590 <      if ((name != NULL) && match_esc(conf->name, name))
589 >        continue;
590 >      if (name && !match(conf->name, name))
591        {
592 <        if ((user == NULL && (host == NULL)))
593 <          return conf;
594 <        if ((match_item->action & action) != action)
592 >        if ((user == NULL && (host == NULL)))
593 >          return conf;
594 >        if ((conf->modes & flags) != flags)
595            continue;
596 <        if (EmptyString(match_item->user) || EmptyString(match_item->host))
597 <          return conf;
598 <        if (match(match_item->user, user) && match(match_item->host, host))
599 <          return conf;
596 >        if (EmptyString(conf->user) || EmptyString(conf->host))
597 >          return conf;
598 >        if (!match(conf->user, user) && !match(conf->host, host))
599 >          return conf;
600        }
601      }
602        break;
603  
604 <  case SERVER_TYPE:
605 <    DLINK_FOREACH(ptr, list_p->head)
604 >  case CONF_SERVER:
605 >    DLINK_FOREACH(node, list->head)
606      {
607 <      conf = ptr->data;
1555 <      aconf = map_to_conf(conf);
607 >      conf = node->data;
608  
609 <      if ((name != NULL) && match_esc(name, conf->name))
609 >      if (name && !match(name, conf->name))
610          return conf;
611 <      else if ((host != NULL) && match_esc(host, aconf->host))
611 >      if (host && !match(host, conf->host))
612          return conf;
613      }
614      break;
615 <  
615 >
616    default:
617      break;
618    }
# Line 1573 | Line 625 | find_matching_name_conf(ConfType type, c
625   *              - pointer to name string to find
626   *              - pointer to user
627   *              - pointer to host
628 < * output       - NULL or pointer to found struct MatchItem
628 > * output       - NULL or pointer to found struct MaskItem
629   * side effects - looks for an exact match on name field
630   */
631 < struct ConfItem *
632 < find_exact_name_conf(ConfType type, const struct Client *who, const char *name,
631 > struct MaskItem *
632 > find_exact_name_conf(enum maskitem_type type, const struct Client *who, const char *name,
633                       const char *user, const char *host)
634   {
635 <  dlink_node *ptr = NULL;
636 <  struct AccessItem *aconf;
637 <  struct ConfItem *conf;
1586 <  struct MatchItem *match_item;
1587 <  dlink_list *list_p;
1588 <
1589 <  list_p = map_to_list(type);
635 >  dlink_node *node = NULL;
636 >  dlink_list *list = map_to_list(type);
637 >  struct MaskItem *conf = NULL;
638  
639    switch(type)
640    {
641 <  case RXLINE_TYPE:
642 <  case XLINE_TYPE:
643 <  case ULINE_TYPE:
1596 <  case NRESV_TYPE:
641 >  case CONF_XLINE:
642 >  case CONF_NRESV:
643 >  case CONF_CRESV:
644  
645 <    DLINK_FOREACH(ptr, list_p->head)
645 >    DLINK_FOREACH(node, list->head)
646      {
647 <      conf = ptr->data;
648 <      match_item = (struct MatchItem *)map_to_conf(conf);
647 >      conf = node->data;
648 >
649        if (EmptyString(conf->name))
650 <        continue;
651 <    
650 >        continue;
651 >
652        if (irccmp(conf->name, name) == 0)
653        {
654 <        if ((user == NULL && (host == NULL)))
655 <          return (conf);
656 <        if (EmptyString(match_item->user) || EmptyString(match_item->host))
657 <          return (conf);
658 <        if (match(match_item->user, user) && match(match_item->host, host))
659 <          return (conf);
654 >        if ((user == NULL && (host == NULL)))
655 >          return conf;
656 >        if (EmptyString(conf->user) || EmptyString(conf->host))
657 >          return conf;
658 >        if (!match(conf->user, user) && !match(conf->host, host))
659 >          return conf;
660        }
661      }
662      break;
663  
664 <  case OPER_TYPE:
665 <    DLINK_FOREACH(ptr, list_p->head)
664 >  case CONF_OPER:
665 >    DLINK_FOREACH(node, list->head)
666      {
667 <      conf = ptr->data;
1621 <      aconf = map_to_conf(conf);
667 >      conf = node->data;
668  
669        if (EmptyString(conf->name))
670          continue;
# Line 1627 | Line 673 | find_exact_name_conf(ConfType type, cons
673        {
674          if (!who)
675            return conf;
676 <        if (EmptyString(aconf->user) || EmptyString(aconf->host))
677 <          return conf;
678 <        if (match(aconf->user, who->username))
676 >        if (EmptyString(conf->user) || EmptyString(conf->host))
677 >          return NULL;
678 >        if (!match(conf->user, who->username))
679          {
680 <          switch (aconf->type)
680 >          switch (conf->htype)
681            {
682              case HM_HOST:
683 <              if (match(aconf->host, who->host) || match(aconf->host, who->sockhost))
684 <                return conf;
683 >              if (!match(conf->host, who->host) || !match(conf->host, who->sockhost))
684 >                if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
685 >                  return conf;
686                break;
687              case HM_IPV4:
688 <              if (who->localClient->aftype == AF_INET)
689 <                if (match_ipv4(&who->localClient->ip, &aconf->addr, aconf->bits))
690 <                  return conf;
688 >              if (who->connection->aftype == AF_INET)
689 >                if (match_ipv4(&who->connection->ip, &conf->addr, conf->bits))
690 >                  if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
691 >                    return conf;
692                break;
1645 #ifdef IPV6
693              case HM_IPV6:
694 <              if (who->localClient->aftype == AF_INET6)
695 <                if (match_ipv6(&who->localClient->ip, &aconf->addr, aconf->bits))
696 <                  return conf;
694 >              if (who->connection->aftype == AF_INET6)
695 >                if (match_ipv6(&who->connection->ip, &conf->addr, conf->bits))
696 >                  if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
697 >                    return conf;
698                break;
1651 #endif
699              default:
700                assert(0);
701            }
# Line 1658 | Line 705 | find_exact_name_conf(ConfType type, cons
705  
706      break;
707  
708 <  case SERVER_TYPE:
709 <    DLINK_FOREACH(ptr, list_p->head)
708 >  case CONF_SERVER:
709 >    DLINK_FOREACH(node, list->head)
710      {
711 <      conf = ptr->data;
712 <      aconf = (struct AccessItem *)map_to_conf(conf);
711 >      conf = node->data;
712 >
713        if (EmptyString(conf->name))
714 <        continue;
715 <    
714 >        continue;
715 >
716        if (name == NULL)
717        {
718 <        if (EmptyString(aconf->host))
719 <          continue;
720 <        if (irccmp(aconf->host, host) == 0)
721 <          return(conf);
718 >        if (EmptyString(conf->host))
719 >          continue;
720 >        if (irccmp(conf->host, host) == 0)
721 >          return conf;
722        }
723        else if (irccmp(conf->name, name) == 0)
724 <      {
1678 <          return (conf);
1679 <      }
724 >        return conf;
725      }
1681    break;
726  
1683  case CLASS_TYPE:
1684    DLINK_FOREACH(ptr, list_p->head)
1685    {
1686      conf = ptr->data;
1687      if (EmptyString(conf->name))
1688        continue;
1689    
1690      if (irccmp(conf->name, name) == 0)
1691        return (conf);
1692    }
727      break;
728  
729    default:
730      break;
731    }
1698  return(NULL);
1699 }
1700
1701 /* rehash()
1702 *
1703 * Actual REHASH service routine. Called with sig == 0 if it has been called
1704 * as a result of an operator issuing this command, else assume it has been
1705 * called as a result of the server receiving a HUP signal.
1706 */
1707 int
1708 rehash(int sig)
1709 {
1710  if (sig != 0)
1711    sendto_realops_flags(UMODE_ALL, L_ALL,
1712                         "Got signal SIGHUP, reloading ircd.conf file");
1713
1714  restart_resolver();
1715
1716  /* don't close listeners until we know we can go ahead with the rehash */
1717
1718  /* Check to see if we magically got(or lost) IPv6 support */
1719  check_can_use_v6();
1720
1721  read_conf_files(0);
1722
1723  if (ServerInfo.description != NULL)
1724    strlcpy(me.info, ServerInfo.description, sizeof(me.info));
732  
733 <  load_conf_modules();
1727 <
1728 <  flush_deleted_I_P();
1729 <
1730 <  rehashed_klines = 1;
1731 < /* XXX */
1732 <  if (ConfigLoggingEntry.use_logging)
1733 <    log_close_all();
1734 <
1735 <  return(0);
733 >  return NULL;
734   }
735  
736   /* set_default_conf()
# Line 1750 | Line 748 | set_default_conf(void)
748    /* verify init_class() ran, this should be an unnecessary check
749     * but its not much work.
750     */
751 <  assert(class_default == (struct ConfItem *) class_items.tail->data);
751 >  assert(class_default == class_get_list()->tail->data);
752  
753 < #ifdef HAVE_LIBCRYPTO
754 <  ServerInfo.rsa_private_key = NULL;
1757 <  ServerInfo.rsa_private_key_file = NULL;
1758 < #endif
1759 <
1760 <  /* ServerInfo.name is not rehashable */
1761 <  /* ServerInfo.name = ServerInfo.name; */
1762 <  ServerInfo.description = NULL;
1763 <  DupString(ServerInfo.network_name, NETWORK_NAME_DEFAULT);
1764 <  DupString(ServerInfo.network_desc, NETWORK_DESC_DEFAULT);
1765 <
1766 <  memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
1767 <  ServerInfo.specific_ipv4_vhost = 0;
1768 <  memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
1769 <  ServerInfo.specific_ipv6_vhost = 0;
1770 <
1771 <  ServerInfo.max_clients = MAXCLIENTS_MAX;
1772 <
1773 <  ServerInfo.hub = 0;
1774 <  ServerInfo.dns_host.sin_addr.s_addr = 0;
1775 <  ServerInfo.dns_host.sin_port = 0;
1776 <  AdminInfo.name = NULL;
1777 <  AdminInfo.email = NULL;
1778 <  AdminInfo.description = NULL;
753 >  ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
754 >  ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
755  
756 <  log_close_all();
756 >  memset(&ConfigServerInfo.ip, 0, sizeof(ConfigServerInfo.ip));
757 >  ConfigServerInfo.specific_ipv4_vhost = 0;
758 >  memset(&ConfigServerInfo.ip6, 0, sizeof(ConfigServerInfo.ip6));
759 >  ConfigServerInfo.specific_ipv6_vhost = 0;
760  
761 <  ConfigLoggingEntry.use_logging = 1;
761 >  ConfigServerInfo.default_max_clients = MAXCLIENTS_MAX;
762 >  ConfigServerInfo.max_nick_length = 9;
763 >  ConfigServerInfo.max_topic_length = 80;
764 >  ConfigServerInfo.hub = 0;
765 >
766 >  log_del_all();
767 >
768 >  ConfigLog.use_logging = 1;
769  
770    ConfigChannel.disable_fake_channels = 0;
771 <  ConfigChannel.restrict_channels = 0;
772 <  ConfigChannel.knock_delay = 300;
771 >  ConfigChannel.invite_client_count = 10;
772 >  ConfigChannel.invite_client_time = 300;
773 >  ConfigChannel.invite_delay_channel = 5;
774 >  ConfigChannel.knock_client_count = 1;
775 >  ConfigChannel.knock_client_time = 300;
776    ConfigChannel.knock_delay_channel = 60;
777 <  ConfigChannel.max_chans_per_user = 25;
1789 <  ConfigChannel.max_chans_per_oper = 50;
1790 <  ConfigChannel.quiet_on_ban = 1;
777 >  ConfigChannel.max_channels = 25;
778    ConfigChannel.max_bans = 25;
779 <  ConfigChannel.default_split_user_count = 0;
780 <  ConfigChannel.default_split_server_count = 0;
1794 <  ConfigChannel.no_join_on_split = 0;
1795 <  ConfigChannel.no_create_on_split = 0;
779 >  ConfigChannel.default_join_flood_count = 18;
780 >  ConfigChannel.default_join_flood_time = 6;
781  
782    ConfigServerHide.flatten_links = 0;
783 <  ConfigServerHide.links_delay = 300;
783 >  ConfigServerHide.flatten_links_delay = 300;
784    ConfigServerHide.hidden = 0;
785    ConfigServerHide.hide_servers = 0;
786 <  DupString(ConfigServerHide.hidden_name, NETWORK_NAME_DEFAULT);
786 >  ConfigServerHide.hide_services = 0;
787 >  ConfigServerHide.hidden_name = xstrdup(NETWORK_NAME_DEFAULT);
788    ConfigServerHide.hide_server_ips = 0;
789 +  ConfigServerHide.disable_remote_commands = 0;
790  
791 <  
792 <  DupString(ConfigFileEntry.service_name, SERVICE_NAME_DEFAULT);
793 <  ConfigFileEntry.max_watch = WATCHSIZE_DEFAULT;
794 <  ConfigFileEntry.glines = 0;
795 <  ConfigFileEntry.gline_time = 12 * 3600;
796 <  ConfigFileEntry.gline_request_time = GLINE_REQUEST_EXPIRE_DEFAULT;
797 <  ConfigFileEntry.gline_min_cidr = 16;
798 <  ConfigFileEntry.gline_min_cidr6 = 48;
799 <  ConfigFileEntry.invisible_on_connect = 1;
800 <  ConfigFileEntry.tkline_expire_notices = 1;
801 <  ConfigFileEntry.hide_spoof_ips = 1;
802 <  ConfigFileEntry.ignore_bogus_ts = 0;
803 <  ConfigFileEntry.disable_auth = 0;
804 <  ConfigFileEntry.disable_remote = 0;
805 <  ConfigFileEntry.kill_chase_time_limit = 90;
806 <  ConfigFileEntry.default_floodcount = 8;
807 <  ConfigFileEntry.failed_oper_notice = 1;
808 <  ConfigFileEntry.dots_in_ident = 0;
809 <  ConfigFileEntry.min_nonwildcard = 4;
810 <  ConfigFileEntry.min_nonwildcard_simple = 3;
811 <  ConfigFileEntry.max_accept = 20;
812 <  ConfigFileEntry.anti_nick_flood = 0;
813 <  ConfigFileEntry.max_nick_time = 20;
814 <  ConfigFileEntry.max_nick_changes = 5;
815 <  ConfigFileEntry.anti_spam_exit_message_time = 0;
816 <  ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
817 <  ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
818 <  ConfigFileEntry.kline_with_reason = 1;
819 <  ConfigFileEntry.kline_reason = NULL;
820 <  ConfigFileEntry.warn_no_nline = 1;
821 <  ConfigFileEntry.stats_o_oper_only = 0;
822 <  ConfigFileEntry.stats_k_oper_only = 1;  /* masked */
823 <  ConfigFileEntry.stats_i_oper_only = 1;  /* masked */
824 <  ConfigFileEntry.stats_P_oper_only = 0;
825 <  ConfigFileEntry.caller_id_wait = 60;
826 <  ConfigFileEntry.opers_bypass_callerid = 0;
827 <  ConfigFileEntry.pace_wait = 10;
828 <  ConfigFileEntry.pace_wait_simple = 1;
829 <  ConfigFileEntry.short_motd = 0;
830 <  ConfigFileEntry.ping_cookie = 0;
831 <  ConfigFileEntry.no_oper_flood = 0;
832 <  ConfigFileEntry.true_no_oper_flood = 0;
833 <  ConfigFileEntry.oper_pass_resv = 1;
834 <  ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
835 <  ConfigFileEntry.oper_only_umodes = UMODE_DEBUG;
836 <  ConfigFileEntry.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE |
837 <    UMODE_OPERWALL | UMODE_WALLOP;
1851 <  ConfigFileEntry.use_egd = 0;
1852 <  ConfigFileEntry.egdpool_path = NULL;
1853 <  ConfigFileEntry.throttle_time = 10;
791 >  ConfigGeneral.away_count = 2;
792 >  ConfigGeneral.away_time = 10;
793 >  ConfigGeneral.max_watch = 50;
794 >  ConfigGeneral.cycle_on_host_change = 1;
795 >  ConfigGeneral.dline_min_cidr = 16;
796 >  ConfigGeneral.dline_min_cidr6 = 48;
797 >  ConfigGeneral.kline_min_cidr = 16;
798 >  ConfigGeneral.kline_min_cidr6 = 48;
799 >  ConfigGeneral.invisible_on_connect = 1;
800 >  ConfigGeneral.tkline_expire_notices = 1;
801 >  ConfigGeneral.ignore_bogus_ts = 0;
802 >  ConfigGeneral.disable_auth = 0;
803 >  ConfigGeneral.kill_chase_time_limit = 90;
804 >  ConfigGeneral.default_floodcount = 8;
805 >  ConfigGeneral.failed_oper_notice = 1;
806 >  ConfigGeneral.dots_in_ident = 0;
807 >  ConfigGeneral.min_nonwildcard = 4;
808 >  ConfigGeneral.min_nonwildcard_simple = 3;
809 >  ConfigGeneral.max_accept = 50;
810 >  ConfigGeneral.anti_nick_flood = 0;
811 >  ConfigGeneral.max_nick_time = 20;
812 >  ConfigGeneral.max_nick_changes = 5;
813 >  ConfigGeneral.anti_spam_exit_message_time = 0;
814 >  ConfigGeneral.ts_warn_delta = 30;
815 >  ConfigGeneral.ts_max_delta = 600;
816 >  ConfigGeneral.warn_no_connect_block = 1;
817 >  ConfigGeneral.stats_e_disabled = 0;
818 >  ConfigGeneral.stats_i_oper_only = 1;  /* 1 = masked */
819 >  ConfigGeneral.stats_k_oper_only = 1;  /* 1 = masked */
820 >  ConfigGeneral.stats_o_oper_only = 1;
821 >  ConfigGeneral.stats_m_oper_only = 1;
822 >  ConfigGeneral.stats_P_oper_only = 0;
823 >  ConfigGeneral.stats_u_oper_only = 0;
824 >  ConfigGeneral.caller_id_wait = 60;
825 >  ConfigGeneral.opers_bypass_callerid = 0;
826 >  ConfigGeneral.pace_wait = 10;
827 >  ConfigGeneral.pace_wait_simple = 1;
828 >  ConfigGeneral.short_motd = 0;
829 >  ConfigGeneral.ping_cookie = 0;
830 >  ConfigGeneral.no_oper_flood = 0;
831 >  ConfigGeneral.max_targets = MAX_TARGETS_DEFAULT;
832 >  ConfigGeneral.oper_only_umodes = UMODE_DEBUG | UMODE_LOCOPS | UMODE_HIDDEN | UMODE_FARCONNECT |
833 >                                   UMODE_UNAUTH | UMODE_EXTERNAL | UMODE_BOTS | UMODE_NCHANGE |
834 >                                   UMODE_SPY | UMODE_FULL | UMODE_SKILL | UMODE_REJ | UMODE_CCONN;
835 >  ConfigGeneral.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE | UMODE_WALLOP;
836 >  ConfigGeneral.throttle_count = 1;
837 >  ConfigGeneral.throttle_time = 1;
838   }
839  
840   static void
841   validate_conf(void)
842   {
843 <  if (ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
844 <    ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
1861 <
1862 <  if (ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
1863 <    ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
1864 <
1865 <  if (ServerInfo.network_name == NULL)
1866 <    DupString(ServerInfo.network_name,NETWORK_NAME_DEFAULT);
843 >  if (EmptyString(ConfigServerInfo.network_name))
844 >    ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
845  
846 <  if (ServerInfo.network_desc == NULL)
847 <    DupString(ServerInfo.network_desc,NETWORK_DESC_DEFAULT);
1870 <
1871 <  if (ConfigFileEntry.service_name == NULL)
1872 <    DupString(ConfigFileEntry.service_name, SERVICE_NAME_DEFAULT);
1873 <
1874 <  ConfigFileEntry.max_watch = IRCD_MAX(ConfigFileEntry.max_watch, WATCHSIZE_MIN);
846 >  if (EmptyString(ConfigServerInfo.network_desc))
847 >    ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
848   }
849  
850 < /* read_conf()
850 > /* read_conf()
851   *
852   * inputs       - file descriptor pointing to config file to use
853   * output       - None
# Line 1885 | Line 858 | read_conf(FILE *file)
858   {
859    lineno = 0;
860  
861 <  set_default_conf(); /* Set default values prior to conf parsing */
861 >  set_default_conf();  /* Set default values prior to conf parsing */
862    conf_parser_ctx.pass = 1;
863 <  yyparse();          /* pick up the classes first */
863 >  yyparse();  /* Pick up the classes first */
864  
865    rewind(file);
866  
867    conf_parser_ctx.pass = 2;
868 <  yyparse();          /* Load the values from the conf */
869 <  validate_conf();    /* Check to make sure some values are still okay. */
870 <                      /* Some global values are also loaded here. */
871 <  check_class();      /* Make sure classes are valid */
868 >  yyparse();  /* Load the values from the conf */
869 >  validate_conf();  /* Check to make sure some values are still okay. */
870 >                    /* Some global values are also loaded here. */
871 >  class_delete_marked();  /* Delete unused classes that are marked for deletion */
872 > }
873 >
874 > /* conf_rehash()
875 > *
876 > * Actual REHASH service routine. Called with sig == 0 if it has been called
877 > * as a result of an operator issuing this command, else assume it has been
878 > * called as a result of the server receiving a HUP signal.
879 > */
880 > void
881 > conf_rehash(int sig)
882 > {
883 >  if (sig)
884 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
885 >                         "Got signal SIGHUP, reloading configuration file(s)");
886 >
887 >  restart_resolver();
888 >
889 >  /* don't close listeners until we know we can go ahead with the rehash */
890 >
891 >  read_conf_files(0);
892 >
893 >  load_conf_modules();
894 >  check_conf_klines();
895   }
896  
897   /* lookup_confhost()
# Line 1903 | Line 899 | read_conf(FILE *file)
899   * start DNS lookups of all hostnames in the conf
900   * line and convert an IP addresses in a.b.c.d number for to IP#s.
901   */
902 < static void
903 < lookup_confhost(struct ConfItem *conf)
902 > void
903 > lookup_confhost(struct MaskItem *conf)
904   {
1909  struct AccessItem *aconf;
905    struct addrinfo hints, *res;
906  
907 <  aconf = map_to_conf(conf);
908 <
1914 <  if (has_wildcards(aconf->host))
1915 <  {
1916 <    ilog(LOG_TYPE_IRCD, "Host/server name error: (%s) (%s)",
1917 <         aconf->host, conf->name);
1918 <    return;
1919 <  }
1920 <
1921 <  /* Do name lookup now on hostnames given and store the
907 >  /*
908 >   * Do name lookup now on hostnames given and store the
909     * ip numbers in conf structure.
910     */
911    memset(&hints, 0, sizeof(hints));
# Line 1929 | Line 916 | lookup_confhost(struct ConfItem *conf)
916    /* Get us ready for a bind() and don't bother doing dns lookup */
917    hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
918  
919 <  if (getaddrinfo(aconf->host, NULL, &hints, &res))
919 >  if (getaddrinfo(conf->host, NULL, &hints, &res))
920    {
921 <    conf_dns_lookup(aconf);
921 >    conf_dns_lookup(conf);
922      return;
923    }
924  
925 <  assert(res != NULL);
925 >  assert(res);
926 >
927 >  memcpy(&conf->addr, res->ai_addr, res->ai_addrlen);
928 >  conf->addr.ss_len = res->ai_addrlen;
929 >  conf->addr.ss.ss_family = res->ai_family;
930  
1940  memcpy(&aconf->addr, res->ai_addr, res->ai_addrlen);
1941  aconf->addr.ss_len = res->ai_addrlen;
1942  aconf->addr.ss.ss_family = res->ai_family;
931    freeaddrinfo(res);
932   }
933  
# Line 1953 | Line 941 | lookup_confhost(struct ConfItem *conf)
941   int
942   conf_connect_allowed(struct irc_ssaddr *addr, int aftype)
943   {
944 <  struct ip_entry *ip_found;
945 <  struct AccessItem *aconf = find_dline_conf(addr, aftype);
944 >  struct ip_entry *ip_found = NULL;
945 >  const struct MaskItem *conf = find_dline_conf(addr, aftype);
946  
947 <  /* DLINE exempt also gets you out of static limits/pacing... */
948 <  if (aconf && (aconf->status & CONF_EXEMPTDLINE))
949 <    return 0;
950 <
951 <  if (aconf != NULL)
947 >  if (conf)
948 >  {
949 >    /* DLINE exempt also gets you out of static limits/pacing... */
950 >    if (conf->type == CONF_EXEMPT)
951 >      return 0;
952      return BANNED_CLIENT;
953 +  }
954  
955 <  ip_found = find_or_add_ip(addr);
955 >  ip_found = ipcache_find_or_add_address(addr);
956  
957 <  if ((CurrentTime - ip_found->last_attempt) <
1969 <      ConfigFileEntry.throttle_time)
957 >  if ((CurrentTime - ip_found->last_attempt) < ConfigGeneral.throttle_time)
958    {
959 <    ip_found->last_attempt = CurrentTime;
960 <    return TOO_FAST;
959 >    if (ip_found->connection_count >= ConfigGeneral.throttle_count)
960 >      return TOO_FAST;
961 >
962 >    ++ip_found->connection_count;
963    }
964 +  else
965 +    ip_found->connection_count = 1;
966  
967    ip_found->last_attempt = CurrentTime;
968    return 0;
969   }
970  
971 < static struct AccessItem *
1980 < find_regexp_kline(const char *uhi[])
1981 < {
1982 < #ifdef HAVE_LIBPCRE
1983 <  const dlink_node *ptr = NULL;
1984 <
1985 <  DLINK_FOREACH(ptr, rkconf_items.head)
1986 <  {
1987 <    struct AccessItem *aptr = map_to_conf(ptr->data);
1988 <
1989 <    assert(aptr->regexuser);
1990 <    assert(aptr->regexhost);
1991 <
1992 <    if (!ircd_pcre_exec(aptr->regexuser, uhi[0]) &&
1993 <        (!ircd_pcre_exec(aptr->regexhost, uhi[1]) ||
1994 <         !ircd_pcre_exec(aptr->regexhost, uhi[2])))
1995 <      return aptr;
1996 <  }
1997 < #endif
1998 <  return NULL;
1999 < }
2000 <
2001 < /* find_kill()
971 > /* expire_tklines()
972   *
973 < * inputs       - pointer to client structure
974 < * output       - pointer to struct AccessItem if found
975 < * side effects - See if this user is klined already,
2006 < *                and if so, return struct AccessItem pointer
973 > * inputs       - tkline list pointer
974 > * output       - NONE
975 > * side effects - expire tklines
976   */
977 < struct AccessItem *
978 < find_kill(struct Client *client_p)
2010 < {
2011 <  struct AccessItem *aconf = NULL;
2012 <  const char *uhi[3];
2013 <
2014 <  uhi[0] = client_p->username;
2015 <  uhi[1] = client_p->host;
2016 <  uhi[2] = client_p->sockhost;
2017 <
2018 <  assert(client_p != NULL);
2019 <
2020 <  aconf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
2021 <                               CONF_KLINE, client_p->localClient->aftype,
2022 <                               client_p->username, NULL, 1);
2023 <  if (aconf == NULL)
2024 <    aconf = find_regexp_kline(uhi);
2025 <
2026 <  return aconf;
2027 < }
2028 <
2029 < struct AccessItem *
2030 < find_gline(struct Client *client_p)
977 > static void
978 > expire_tklines(dlink_list *list)
979   {
980 <  struct AccessItem *aconf;
980 >  dlink_node *node = NULL, *node_next = NULL;
981  
982 <  assert(client_p != NULL);
982 >  DLINK_FOREACH_SAFE(node, node_next, list->head)
983 >  {
984 >    struct MaskItem *conf = node->data;
985  
986 <  aconf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
987 <                               CONF_GLINE, client_p->localClient->aftype,
2038 <                               client_p->username, NULL, 1);
2039 <  return aconf;
2040 < }
986 >    if (!conf->until || conf->until > CurrentTime)
987 >      continue;
988  
989 < /* add_temp_line()
990 < *
991 < * inputs        - pointer to struct ConfItem
992 < * output        - none
2046 < * Side effects  - links in given struct ConfItem into
2047 < *                 temporary *line link list
2048 < */
2049 < void
2050 < add_temp_line(struct ConfItem *conf)
2051 < {
2052 <  if (conf->type == XLINE_TYPE)
2053 <  {
2054 <    conf->flags |= CONF_FLAGS_TEMPORARY;
2055 <    dlinkAdd(conf, make_dlink_node(), &temporary_xlines);
2056 <  }
2057 <  else if ((conf->type == NRESV_TYPE) || (conf->type == CRESV_TYPE))
2058 <  {
2059 <    conf->flags |= CONF_FLAGS_TEMPORARY;
2060 <    dlinkAdd(conf, make_dlink_node(), &temporary_resv);
989 >    if (ConfigGeneral.tkline_expire_notices)
990 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "Temporary %s for [%s] expired",
991 >                           (conf->type == CONF_XLINE) ? "X-line" : "RESV", conf->name);
992 >    conf_free(conf);
993    }
994   }
995  
# Line 2069 | Line 1001 | add_temp_line(struct ConfItem *conf)
1001   *                This is an event started off in ircd.c
1002   */
1003   void
1004 < cleanup_tklines(void *notused)
1004 > cleanup_tklines(void *unused)
1005   {
1006    hostmask_expire_temporary();
1007 <  expire_tklines(&temporary_xlines);
1008 <  expire_tklines(&temporary_resv);
1009 < }
2078 <
2079 < /* expire_tklines()
2080 < *
2081 < * inputs       - tkline list pointer
2082 < * output       - NONE
2083 < * side effects - expire tklines
2084 < */
2085 < static void
2086 < expire_tklines(dlink_list *tklist)
2087 < {
2088 <  dlink_node *ptr;
2089 <  dlink_node *next_ptr;
2090 <  struct ConfItem *conf;
2091 <  struct MatchItem *xconf;
2092 <  struct MatchItem *nconf;
2093 <  struct ResvChannel *cconf;
2094 <
2095 <  DLINK_FOREACH_SAFE(ptr, next_ptr, tklist->head)
2096 <  {
2097 <    conf = ptr->data;
2098 <
2099 <    if (conf->type == XLINE_TYPE)
2100 <    {
2101 <      xconf = (struct MatchItem *)map_to_conf(conf);
2102 <      if (xconf->hold <= CurrentTime)
2103 <      {
2104 <        if (ConfigFileEntry.tkline_expire_notices)
2105 <          sendto_realops_flags(UMODE_ALL, L_ALL,
2106 <                               "Temporary X-line for [%s] sexpired", conf->name);
2107 <        dlinkDelete(ptr, tklist);
2108 <        free_dlink_node(ptr);
2109 <        delete_conf_item(conf);
2110 <      }
2111 <    }
2112 <    else if (conf->type == NRESV_TYPE)
2113 <    {
2114 <      nconf = (struct MatchItem *)map_to_conf(conf);
2115 <      if (nconf->hold <= CurrentTime)
2116 <      {
2117 <        if (ConfigFileEntry.tkline_expire_notices)
2118 <          sendto_realops_flags(UMODE_ALL, L_ALL,
2119 <                               "Temporary RESV for [%s] expired", conf->name);
2120 <        dlinkDelete(ptr, tklist);
2121 <        free_dlink_node(ptr);
2122 <        delete_conf_item(conf);
2123 <      }
2124 <    }
2125 <    else if (conf->type == CRESV_TYPE)
2126 <    {
2127 <      cconf = (struct ResvChannel *)map_to_conf(conf);
2128 <      if (cconf->hold <= CurrentTime)
2129 <      {
2130 <        if (ConfigFileEntry.tkline_expire_notices)
2131 <          sendto_realops_flags(UMODE_ALL, L_ALL,
2132 <                               "Temporary RESV for [%s] expired", cconf->name);
2133 <        delete_channel_resv(cconf);
2134 <      }
2135 <    }
2136 <  }
1007 >  expire_tklines(&gecos_items);
1008 >  expire_tklines(&nresv_items);
1009 >  expire_tklines(&cresv_items);
1010   }
1011  
1012   /* oper_privs_as_string()
# Line 2142 | Line 1015 | expire_tklines(dlink_list *tklist)
1015   * output        - pointer to static string showing oper privs
1016   * side effects  - return as string, the oper privs as derived from port
1017   */
1018 < static const struct oper_privs
1018 > static const struct oper_flags
1019   {
1020 <  const unsigned int oprivs;
1020 >  const unsigned int flag;
1021    const unsigned char c;
1022 < } flag_list[] = {
1023 <  { OPER_FLAG_ADMIN,       'A' },
1024 <  { OPER_FLAG_REMOTEBAN,   'B' },
1025 <  { OPER_FLAG_DIE,         'D' },
1026 <  { OPER_FLAG_GLINE,       'G' },
1027 <  { OPER_FLAG_REHASH,      'H' },
1028 <  { OPER_FLAG_K,           'K' },
1029 <  { OPER_FLAG_OPERWALL,    'L' },
1030 <  { OPER_FLAG_N,           'N' },
1031 <  { OPER_FLAG_GLOBAL_KILL, 'O' },
1032 <  { OPER_FLAG_REMOTE,      'R' },
1033 <  { OPER_FLAG_OPER_SPY,    'S' },
1034 <  { OPER_FLAG_UNKLINE,     'U' },
1035 <  { OPER_FLAG_X,           'X' },
1022 > } flag_table[] = {
1023 >  { OPER_FLAG_ADMIN,          'A' },
1024 >  { OPER_FLAG_CLOSE,          'B' },
1025 >  { OPER_FLAG_CONNECT,        'C' },
1026 >  { OPER_FLAG_CONNECT_REMOTE, 'D' },
1027 >  { OPER_FLAG_DIE,            'E' },
1028 >  { OPER_FLAG_DLINE,          'F' },
1029 >  { OPER_FLAG_GLOBOPS,        'G' },
1030 >  { OPER_FLAG_JOIN_RESV,      'H' },
1031 >  { OPER_FLAG_KILL,           'I' },
1032 >  { OPER_FLAG_KILL_REMOTE,    'J' },
1033 >  { OPER_FLAG_KLINE,          'K' },
1034 >  { OPER_FLAG_LOCOPS,         'L' },
1035 >  { OPER_FLAG_MODULE,         'M' },
1036 >  { OPER_FLAG_NICK_RESV,      'N' },
1037 >  { OPER_FLAG_OPME,           'O' },
1038 >  { OPER_FLAG_REHASH,         'P' },
1039 >  { OPER_FLAG_REMOTEBAN,      'Q' },
1040 >  { OPER_FLAG_RESTART,        'R' },
1041 >  { OPER_FLAG_RESV,           'S' },
1042 >  { OPER_FLAG_SET,            'T' },
1043 >  { OPER_FLAG_SQUIT,          'U' },
1044 >  { OPER_FLAG_SQUIT_REMOTE,   'V' },
1045 >  { OPER_FLAG_UNDLINE,        'W' },
1046 >  { OPER_FLAG_UNKLINE,        'X' },
1047 >  { OPER_FLAG_UNRESV,         'Y' },
1048 >  { OPER_FLAG_UNXLINE,        'Z' },
1049 >  { OPER_FLAG_WALLOPS,        'a' },
1050 >  { OPER_FLAG_XLINE,          'b' },
1051    { 0, '\0' }
1052   };
1053  
1054 < char *
1055 < oper_privs_as_string(const unsigned int port)
1054 > const char *
1055 > oper_privs_as_string(const unsigned int flags)
1056   {
1057 <  static char privs_out[16];
1058 <  char *privs_ptr = privs_out;
2171 <  unsigned int i = 0;
1057 >  static char buf[sizeof(flag_table) / sizeof(struct oper_flags)];
1058 >  char *p = buf;
1059  
1060 <  for (; flag_list[i].oprivs; ++i)
1061 <  {
1062 <    if (port & flag_list[i].oprivs)
1063 <      *privs_ptr++ = flag_list[i].c;
1064 <    else
1065 <      *privs_ptr++ = ToLowerTab[flag_list[i].c];
2179 <  }
1060 >  for (const struct oper_flags *tab = flag_table; tab->flag; ++tab)
1061 >    if (flags & tab->flag)
1062 >      *p++ = tab->c;
1063 >
1064 >  if (p == buf)
1065 >    *p++ = '0';
1066  
1067 <  *privs_ptr = '\0';
1067 >  *p = '\0';
1068  
1069 <  return privs_out;
1069 >  return buf;
1070   }
1071  
1072   /*
1073 < * Input: A client to find the active oper{} name for.
1073 > * Input: A client to find the active operator {} name for.
1074   * Output: The nick!user@host{oper} of the oper.
1075   *         "oper" is server name for remote opers
1076   * Side effects: None.
# Line 2192 | Line 1078 | oper_privs_as_string(const unsigned int
1078   const char *
1079   get_oper_name(const struct Client *client_p)
1080   {
1081 <  dlink_node *cnode = NULL;
1082 <  /* +5 for !,@,{,} and null */
1083 <  static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1081 >  static char buffer[IRCD_BUFSIZE];
1082 >
1083 >  if (IsServer(client_p))
1084 >    return client_p->name;
1085  
1086    if (MyConnect(client_p))
1087    {
1088 <    if ((cnode = client_p->localClient->confs.head))
1088 >    const dlink_node *const node = client_p->connection->confs.head;
1089 >
1090 >    if (node)
1091      {
1092 <      struct ConfItem *conf = cnode->data;
2204 <      const struct AccessItem *aconf = map_to_conf(conf);
1092 >      const struct MaskItem *const conf = node->data;
1093  
1094 <      if (IsConfOperator(aconf))
1094 >      if (conf->type == CONF_OPER)
1095        {
1096 <        snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1096 >        snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1097                   client_p->username, client_p->host, conf->name);
1098 <        return buffer;
1098 >        return buffer;
1099        }
1100      }
1101  
1102 <    /* Probably should assert here for now. If there is an oper out there
1103 <     * with no oper{} conf attached, it would be good for us to know...
1102 >    /*
1103 >     * Probably should assert here for now. If there is an oper out there
1104 >     * with no operator {} conf attached, it would be good for us to know...
1105       */
1106 <    assert(0); /* Oper without oper conf! */
1106 >    assert(0);  /* Oper without oper conf! */
1107    }
1108  
1109    snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1110 <           client_p->username, client_p->host, client_p->servptr->name);
1110 >           client_p->username, client_p->host, client_p->servptr->name);
1111    return buffer;
1112   }
1113  
2225 /* read_conf_files()
2226 *
2227 * inputs       - cold start YES or NO
2228 * output       - none
2229 * side effects - read all conf files needed, ircd.conf kline.conf etc.
2230 */
2231 void
2232 read_conf_files(int cold)
2233 {
2234  const char *filename;
2235  char chanmodes[32];
2236  char chanlimit[32];
2237
2238  conf_parser_ctx.boot = cold;
2239  filename = get_conf_name(CONF_TYPE);
2240
2241  /* We need to know the initial filename for the yyerror() to report
2242     FIXME: The full path is in conffilenamebuf first time since we
2243             dont know anything else
2244
2245     - Gozem 2002-07-21
2246  */
2247  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
2248
2249  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
2250  {
2251    if (cold)
2252    {
2253      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
2254           filename, strerror(errno));
2255      exit(-1);
2256    }
2257    else
2258    {
2259      sendto_realops_flags(UMODE_ALL, L_ALL,
2260                           "Unable to read configuration file '%s': %s",
2261                           filename, strerror(errno));
2262      return;
2263    }
2264  }
2265
2266  if (!cold)
2267    clear_out_old_conf();
2268
2269  read_conf(conf_parser_ctx.conf_file);
2270  fclose(conf_parser_ctx.conf_file);
2271
2272  add_isupport("NETWORK", ServerInfo.network_name, -1);
2273  snprintf(chanmodes, sizeof(chanmodes), "beI:%d",
2274           ConfigChannel.max_bans);
2275  add_isupport("MAXLIST", chanmodes, -1);
2276  add_isupport("MAXTARGETS", NULL, ConfigFileEntry.max_targets);
2277
2278  add_isupport("CHANTYPES", "#", -1);
2279
2280  snprintf(chanlimit, sizeof(chanlimit), "#:%d",
2281           ConfigChannel.max_chans_per_user);
2282  add_isupport("CHANLIMIT", chanlimit, -1);
2283  snprintf(chanmodes, sizeof(chanmodes), "%s",
2284           "beI,k,l,imnprstORS");
2285  add_isupport("CHANNELLEN", NULL, LOCAL_CHANNELLEN);
2286
2287  add_isupport("EXCEPTS", "e", -1);
2288  add_isupport("INVEX", "I", -1);
2289  add_isupport("CHANMODES", chanmodes, -1);
2290
2291  /*
2292   * message_locale may have changed.  rebuild isupport since it relies
2293   * on strlen(form_str(RPL_ISUPPORT))
2294   */
2295  rebuild_isupport_message_line();
2296
2297  parse_conf_file(KLINE_TYPE, cold);
2298  parse_conf_file(DLINE_TYPE, cold);
2299  parse_conf_file(XLINE_TYPE, cold);
2300  parse_conf_file(NRESV_TYPE, cold);
2301  parse_conf_file(CRESV_TYPE, cold);
2302 }
2303
2304 /* parse_conf_file()
2305 *
2306 * inputs       - type of conf file to parse
2307 * output       - none
2308 * side effects - conf file for givenconf type is opened and read then parsed
2309 */
2310 static void
2311 parse_conf_file(int type, int cold)
2312 {
2313  FILE *file = NULL;
2314  const char *filename = get_conf_name(type);
2315
2316  if ((file = fopen(filename, "r")) == NULL)
2317  {
2318    if (cold)
2319      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
2320           filename, strerror(errno));
2321    else
2322      sendto_realops_flags(UMODE_ALL, L_ALL,
2323                    "Unable to read configuration file '%s': %s",
2324                           filename, strerror(errno));
2325  }
2326  else
2327  {
2328    parse_csv_file(file, type);
2329    fclose(file);
2330  }
2331 }
2332
1114   /* clear_out_old_conf()
1115   *
1116   * inputs       - none
# Line 2339 | Line 1120 | parse_conf_file(int type, int cold)
1120   static void
1121   clear_out_old_conf(void)
1122   {
1123 <  dlink_node *ptr = NULL, *next_ptr = NULL;
2343 <  struct ConfItem *conf;
2344 <  struct AccessItem *aconf;
2345 <  struct ClassItem *cltmp;
1123 >  dlink_node *node = NULL, *node_next = NULL;
1124    dlink_list *free_items [] = {
1125 <    &server_items,   &oconf_items,
1126 <     &uconf_items,   &xconf_items, &rxconf_items, &rkconf_items,
1127 <     &nresv_items, &cluster_items,  &service_items, NULL
1125 >    &server_items,   &operator_items,
1126 >     &gecos_items,
1127 >     &nresv_items, &service_items, &cresv_items, NULL
1128    };
1129  
1130    dlink_list ** iterator = free_items; /* C is dumb */
# Line 2354 | Line 1132 | clear_out_old_conf(void)
1132    /* We only need to free anything allocated by yyparse() here.
1133     * Resetting structs, etc, is taken care of by set_default_conf().
1134     */
1135 <  
1136 <  for (; *iterator != NULL; iterator++)
1135 >
1136 >  for (; *iterator; iterator++)
1137    {
1138 <    DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
1138 >    DLINK_FOREACH_SAFE(node, node_next, (*iterator)->head)
1139      {
1140 <      conf = ptr->data;
2363 <      /* XXX This is less than pretty */
2364 <      if (conf->type == SERVER_TYPE)
2365 <      {
2366 <        aconf = map_to_conf(conf);
1140 >      struct MaskItem *conf = node->data;
1141  
1142 <        if (aconf->clients != 0)
2369 <        {
2370 <          SetConfIllegal(aconf);
2371 <          dlinkDelete(&conf->node, &server_items);
2372 <        }
2373 <        else
2374 <        {
2375 <          delete_conf_item(conf);
2376 <        }
2377 <      }
2378 <      else if (conf->type == OPER_TYPE)
2379 <      {
2380 <        aconf = map_to_conf(conf);
1142 >      conf->active = 0;
1143  
1144 <        if (aconf->clients != 0)
2383 <        {
2384 <          SetConfIllegal(aconf);
2385 <          dlinkDelete(&conf->node, &oconf_items);
2386 <        }
2387 <        else
2388 <        {
2389 <          delete_conf_item(conf);
2390 <        }
2391 <      }
2392 <      else if (conf->type == XLINE_TYPE  ||
2393 <               conf->type == RXLINE_TYPE ||
2394 <               conf->type == RKLINE_TYPE)
1144 >      if (!IsConfDatabase(conf))
1145        {
1146 <        /* temporary (r)xlines are also on
2397 <         * the (r)xconf items list */
2398 <        if (conf->flags & CONF_FLAGS_TEMPORARY)
2399 <          continue;
1146 >        dlinkDelete(&conf->node, *iterator);
1147  
1148 <        delete_conf_item(conf);
1149 <      }
2403 <      else
2404 <      {
2405 <          delete_conf_item(conf);
1148 >        if (!conf->ref_count)
1149 >          conf_free(conf);
1150        }
1151      }
1152    }
1153  
1154 +  motd_clear();  /* Clear motd {} items and re-cache default motd */
1155 +
1156    /*
1157 <   * don't delete the class table, rather mark all entries
1158 <   * for deletion. The table is cleaned up by check_class. - avalon
1157 >   * Don't delete the class table, rather mark all entries for deletion.
1158 >   * The table is cleaned up by class_delete_marked. - avalon
1159     */
1160 <  DLINK_FOREACH(ptr, class_items.head)
2415 <  {
2416 <    cltmp = map_to_conf(ptr->data);
2417 <
2418 <    if (ptr != class_items.tail)  /* never mark the "default" class */
2419 <      cltmp->active = 0;
2420 <  }
1160 >  class_mark_for_deletion();
1161  
1162    clear_out_address_conf();
1163  
1164 <  /* clean out module paths */
2425 <  mod_clear_paths();
1164 >  mod_clear_paths();  /* Clear modules {} items */
1165  
1166 <  /* clean out ServerInfo */
2428 <  MyFree(ServerInfo.description);
2429 <  ServerInfo.description = NULL;
2430 <  MyFree(ServerInfo.network_name);
2431 <  ServerInfo.network_name = NULL;
2432 <  MyFree(ServerInfo.network_desc);
2433 <  ServerInfo.network_desc = NULL;
2434 <  MyFree(ConfigFileEntry.egdpool_path);
2435 <  ConfigFileEntry.egdpool_path = NULL;
2436 < #ifdef HAVE_LIBCRYPTO
2437 <  if (ServerInfo.rsa_private_key != NULL)
2438 <  {
2439 <    RSA_free(ServerInfo.rsa_private_key);
2440 <    ServerInfo.rsa_private_key = NULL;
2441 <  }
2442 <
2443 <  MyFree(ServerInfo.rsa_private_key_file);
2444 <  ServerInfo.rsa_private_key_file = NULL;
2445 <
2446 <  if (ServerInfo.server_ctx)
2447 <    SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|
2448 <                                               SSL_OP_NO_SSLv3|
2449 <                                               SSL_OP_NO_TLSv1);
2450 <  if (ServerInfo.client_ctx)
2451 <    SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|
2452 <                                               SSL_OP_NO_SSLv3|
2453 <                                               SSL_OP_NO_TLSv1);
2454 < #endif
2455 <
2456 <  /* clean out old resvs from the conf */
2457 <  clear_conf_resv();
2458 <
2459 <  /* clean out AdminInfo */
2460 <  MyFree(AdminInfo.name);
2461 <  AdminInfo.name = NULL;
2462 <  MyFree(AdminInfo.email);
2463 <  AdminInfo.email = NULL;
2464 <  MyFree(AdminInfo.description);
2465 <  AdminInfo.description = NULL;
2466 <
2467 <  /* operator{} and class{} blocks are freed above */
2468 <  /* clean out listeners */
2469 <  close_listeners();
1166 >  motd_clear();  /* Clear motd {} items and re-cache default motd */
1167  
1168 <  /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{},
2472 <   * exempt{} and gecos{} blocks are freed above too
2473 <   */
1168 >  cluster_clear();  /* Clear cluster {} items */
1169  
1170 <  /* clean out general */
2476 <  MyFree(ConfigFileEntry.service_name);
2477 <  ConfigFileEntry.service_name = NULL;
1170 >  shared_clear();  /* Clear shared {} items */
1171  
1172 <  delete_isupport("INVEX");
1173 <  delete_isupport("EXCEPTS");
1174 < }
1172 >  pseudo_clear();  /* Clear pseudo {} items */
1173 >
1174 >  /* Clean out ConfigServerInfo */
1175 >  xfree(ConfigServerInfo.description);
1176 >  ConfigServerInfo.description = NULL;
1177 >  xfree(ConfigServerInfo.network_name);
1178 >  ConfigServerInfo.network_name = NULL;
1179 >  xfree(ConfigServerInfo.network_desc);
1180 >  ConfigServerInfo.network_desc = NULL;
1181 >
1182 >  xfree(ConfigServerInfo.rsa_private_key_file);
1183 >  ConfigServerInfo.rsa_private_key_file = NULL;
1184 >  xfree(ConfigServerInfo.ssl_certificate_file);
1185 >  ConfigServerInfo.ssl_certificate_file = NULL;
1186 >  xfree(ConfigServerInfo.ssl_dh_param_file);
1187 >  ConfigServerInfo.ssl_dh_param_file = NULL;
1188 >  xfree(ConfigServerInfo.ssl_dh_elliptic_curve);
1189 >  ConfigServerInfo.ssl_dh_elliptic_curve = NULL;
1190 >  xfree(ConfigServerInfo.ssl_cipher_list);
1191 >  ConfigServerInfo.ssl_cipher_list = NULL;
1192 >  xfree(ConfigServerInfo.ssl_message_digest_algorithm);
1193 >  ConfigServerInfo.ssl_message_digest_algorithm = NULL;
1194 >
1195 >  /* Clean out ConfigAdminInfo */
1196 >  xfree(ConfigAdminInfo.name);
1197 >  ConfigAdminInfo.name = NULL;
1198 >  xfree(ConfigAdminInfo.email);
1199 >  ConfigAdminInfo.email = NULL;
1200 >  xfree(ConfigAdminInfo.description);
1201 >  ConfigAdminInfo.description = NULL;
1202  
1203 < /* flush_deleted_I_P()
1204 < *
2485 < * inputs       - none
2486 < * output       - none
2487 < * side effects - This function removes I/P conf items
2488 < */
2489 < static void
2490 < flush_deleted_I_P(void)
2491 < {
2492 <  dlink_node *ptr;
2493 <  dlink_node *next_ptr;
2494 <  struct ConfItem *conf;
2495 <  struct AccessItem *aconf;
2496 <  dlink_list * free_items [] = {
2497 <    &server_items, &oconf_items, NULL
2498 <  };
2499 <  dlink_list ** iterator = free_items; /* C is dumb */
1203 >  xfree(ConfigServerHide.flatten_links_file);
1204 >  ConfigServerHide.flatten_links_file = NULL;
1205  
1206 <  /* flush out deleted I and P lines
1207 <   * although still in use.
2503 <   */
2504 <  for (; *iterator != NULL; iterator++)
2505 <  {
2506 <    DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
2507 <    {
2508 <      conf = ptr->data;
2509 <      aconf = (struct AccessItem *)map_to_conf(conf);
2510 <
2511 <      if (IsConfIllegal(aconf))
2512 <      {
2513 <        dlinkDelete(ptr, *iterator);
2514 <
2515 <        if (aconf->clients == 0)
2516 <          delete_conf_item(conf);
2517 <      }
2518 <    }
2519 <  }
1206 >  /* Clean out listeners */
1207 >  listener_close_marked();
1208   }
1209  
1210 < /* get_conf_name()
1211 < *
2524 < * inputs       - type of conf file to return name of file for
2525 < * output       - pointer to filename for type of conf
2526 < * side effects - none
2527 < */
2528 < const char *
2529 < get_conf_name(ConfType type)
2530 < {
2531 <  switch (type)
2532 <  {
2533 <    case CONF_TYPE:
2534 <      return ConfigFileEntry.configfile;
2535 <      break;
2536 <    case KLINE_TYPE:
2537 <      return ConfigFileEntry.klinefile;
2538 <      break;
2539 <    case DLINE_TYPE:
2540 <      return ConfigFileEntry.dlinefile;
2541 <      break;
2542 <    case XLINE_TYPE:
2543 <      return ConfigFileEntry.xlinefile;
2544 <      break;
2545 <    case CRESV_TYPE:
2546 <      return ConfigFileEntry.cresvfile;
2547 <      break;
2548 <    case NRESV_TYPE:
2549 <      return ConfigFileEntry.nresvfile;
2550 <      break;
2551 <    default:
2552 <      return NULL;  /* This should NEVER HAPPEN since we call this function
2553 <                       only with the above values, this will cause us to core
2554 <                       at some point if this happens so we know where it was */
2555 <  }
2556 < }
2557 <
2558 < #define BAD_PING (-1)
2559 <
2560 < /* get_conf_ping()
2561 < *
2562 < * inputs       - pointer to struct AccessItem
2563 < *              - pointer to a variable that receives ping warning time
2564 < * output       - ping frequency
2565 < * side effects - NONE
2566 < */
2567 < static int
2568 < get_conf_ping(struct ConfItem *conf, int *pingwarn)
1210 > static void
1211 > conf_handle_tls(int cold)
1212   {
1213 <  struct ClassItem *aclass;
2571 <  struct AccessItem *aconf;
2572 <
2573 <  if (conf != NULL)
1213 >  if (!tls_new_cred())
1214    {
1215 <    aconf = (struct AccessItem *)map_to_conf(conf);
2576 <    if (aconf->class_ptr != NULL)
1215 >    if (cold)
1216      {
1217 <      aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr);
1218 <      *pingwarn = aclass->ping_warning;
2580 <      return aclass->ping_freq;
1217 >      ilog(LOG_TYPE_IRCD, "Error while initializing TLS");
1218 >      exit(EXIT_FAILURE);
1219      }
1220 <  }
2583 <
2584 <  return BAD_PING;
2585 < }
2586 <
2587 < /* get_client_class()
2588 < *
2589 < * inputs       - pointer to client struct
2590 < * output       - pointer to name of class
2591 < * side effects - NONE
2592 < */
2593 < const char *
2594 < get_client_class(struct Client *target_p)
2595 < {
2596 <  dlink_node *cnode = NULL;
2597 <  struct AccessItem *aconf = NULL;
2598 <
2599 <  assert(!IsMe(target_p));
2600 <
2601 <  if ((cnode = target_p->localClient->confs.head))
2602 <  {
2603 <    struct ConfItem *conf = cnode->data;
2604 <
2605 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
2606 <          (conf->type == OPER_TYPE));
2607 <
2608 <    aconf = map_to_conf(conf);
2609 <    if (aconf->class_ptr != NULL)
2610 <      return aconf->class_ptr->name;
2611 <  }
2612 <
2613 <  return "default";
2614 < }
2615 <
2616 < /* get_client_ping()
2617 < *
2618 < * inputs       - pointer to client struct
2619 < *              - pointer to a variable that receives ping warning time
2620 < * output       - ping frequency
2621 < * side effects - NONE
2622 < */
2623 < int
2624 < get_client_ping(struct Client *target_p, int *pingwarn)
2625 < {
2626 <  int ping = 0;
2627 <  dlink_node *cnode = NULL;
2628 <
2629 <  if ((cnode = target_p->localClient->confs.head))
2630 <  {
2631 <    struct ConfItem *conf = cnode->data;
2632 <
2633 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
2634 <          (conf->type == OPER_TYPE));
2635 <
2636 <    ping = get_conf_ping(conf, pingwarn);
2637 <    if (ping > 0)
2638 <      return ping;
2639 <  }
2640 <
2641 <  *pingwarn = 0;
2642 <  return DEFAULT_PINGFREQUENCY;
2643 < }
2644 <
2645 < /* find_class()
2646 < *
2647 < * inputs       - string name of class
2648 < * output       - corresponding Class pointer
2649 < * side effects - NONE
2650 < */
2651 < struct ConfItem *
2652 < find_class(const char *classname)
2653 < {
2654 <  struct ConfItem *conf;
2655 <
2656 <  if ((conf = find_exact_name_conf(CLASS_TYPE, NULL, classname, NULL, NULL)) != NULL)
2657 <    return conf;
2658 <
2659 <  return class_default;
2660 < }
2661 <
2662 < /* check_class()
2663 < *
2664 < * inputs       - NONE
2665 < * output       - NONE
2666 < * side effects -
2667 < */
2668 < void
2669 < check_class(void)
2670 < {
2671 <  dlink_node *ptr = NULL, *next_ptr = NULL;
2672 <
2673 <  DLINK_FOREACH_SAFE(ptr, next_ptr, class_items.head)
2674 <  {
2675 <    struct ClassItem *aclass = map_to_conf(ptr->data);
2676 <
2677 <    if (!aclass->active && !aclass->curr_user_count)
1220 >    else
1221      {
1222 <      destroy_cidr_class(aclass);
1223 <      delete_conf_item(ptr->data);
1222 >      /* Failed to load new settings/certs, old ones remain active */
1223 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
1224 >                           "Error reloading TLS settings, check the ircd log"); // report_crypto_errors logs this
1225      }
1226    }
1227   }
1228  
1229 < /* init_class()
1229 > /* read_conf_files()
1230   *
1231 < * inputs       - NONE
1232 < * output       - NONE
1233 < * side effects -
1231 > * inputs       - cold start YES or NO
1232 > * output       - none
1233 > * side effects - read all conf files needed, ircd.conf kline.conf etc.
1234   */
1235   void
1236 < init_class(void)
1236 > read_conf_files(int cold)
1237   {
1238 <  struct ClassItem *aclass;
1239 <
1240 <  class_default = make_conf_item(CLASS_TYPE);
1238 >  const char *filename = NULL;
1239 >  char chanmodes[IRCD_BUFSIZE] = "";
1240 >  char chanlimit[IRCD_BUFSIZE] = "";
1241  
1242 <  aclass = map_to_conf(class_default);
1243 <  aclass->active = 1;
2700 <  DupString(class_default->name, "default");
2701 <  aclass->con_freq  = DEFAULT_CONNECTFREQUENCY;
2702 <  aclass->ping_freq = DEFAULT_PINGFREQUENCY;
2703 <  aclass->max_total = MAXIMUM_LINKS_DEFAULT;
2704 <  aclass->max_sendq = DEFAULT_SENDQ;
2705 <  aclass->max_recvq = DEFAULT_RECVQ;
2706 <
2707 <  client_check_cb = register_callback("check_client", check_client);
2708 < }
1242 >  conf_parser_ctx.boot = cold;
1243 >  filename = ConfigGeneral.configfile;
1244  
1245 < /* get_sendq()
1246 < *
1247 < * inputs       - pointer to client
2713 < * output       - sendq for this client as found from its class
2714 < * side effects - NONE
2715 < */
2716 < unsigned int
2717 < get_sendq(struct Client *client_p)
2718 < {
2719 <  unsigned int sendq = DEFAULT_SENDQ;
2720 <  dlink_node *cnode;
2721 <  struct ConfItem *class_conf;
2722 <  struct ClassItem *aclass;
2723 <  struct AccessItem *aconf;
1245 >  /* We need to know the initial filename for the yyerror() to report
1246 >     FIXME: The full path is in conffilenamebuf first time since we
1247 >             don't know anything else
1248  
1249 <  assert(!IsMe(client_p));
1249 >     - Gozem 2002-07-21
1250 >  */
1251 >  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1252  
1253 <  if ((cnode = client_p->localClient->confs.head))
1253 >  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1254    {
1255 <    struct ConfItem *conf = cnode->data;
1256 <
1257 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
1258 <          (conf->type == OPER_TYPE));
1259 <
1260 <    aconf = map_to_conf(conf);
1261 <
1262 <    if ((class_conf = aconf->class_ptr) == NULL)
1263 <      return DEFAULT_SENDQ; /* TBV: shouldn't be possible at all */
1264 <
1265 <    aclass = map_to_conf(class_conf);
1266 <    sendq = aclass->max_sendq;
1267 <    return sendq;
1255 >    if (cold)
1256 >    {
1257 >      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1258 >           filename, strerror(errno));
1259 >      exit(EXIT_FAILURE);
1260 >    }
1261 >    else
1262 >    {
1263 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
1264 >                           "Unable to read configuration file '%s': %s",
1265 >                           filename, strerror(errno));
1266 >      return;
1267 >    }
1268    }
1269  
1270 <  /* XXX return a default?
1271 <   * if here, then there wasn't an attached conf with a sendq
2746 <   * that is very bad -Dianora
2747 <   */
2748 <  return DEFAULT_SENDQ;
2749 < }
2750 <
2751 < unsigned int
2752 < get_recvq(struct Client *client_p)
2753 < {
2754 <  unsigned int recvq = DEFAULT_RECVQ;
2755 <  dlink_node *cnode;
2756 <  struct ConfItem *class_conf;
2757 <  struct ClassItem *aclass;
2758 <  struct AccessItem *aconf;
2759 <
2760 <  assert(!IsMe(client_p));
2761 <
2762 <  if ((cnode = client_p->localClient->confs.head))
2763 <  {
2764 <    struct ConfItem *conf = cnode->data;
1270 >  if (!cold)
1271 >    clear_out_old_conf();
1272  
1273 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
1274 <          (conf->type == OPER_TYPE));
1273 >  read_conf(conf_parser_ctx.conf_file);
1274 >  fclose(conf_parser_ctx.conf_file);
1275  
1276 <    aconf = map_to_conf(conf);
1276 >  log_reopen_all();
1277 >  conf_handle_tls(cold);
1278  
1279 <    if ((class_conf = aconf->class_ptr) == NULL)
1280 <      return DEFAULT_RECVQ; /* TBV: shouldn't be possible at all */
1279 >  isupport_add("NICKLEN", NULL, ConfigServerInfo.max_nick_length);
1280 >  isupport_add("NETWORK", ConfigServerInfo.network_name, -1);
1281  
1282 <    aclass = map_to_conf(class_conf);
1283 <    recvq = aclass->max_recvq;
1284 <    return recvq;
1285 <  }
1282 >  snprintf(chanmodes, sizeof(chanmodes), "beI:%u", ConfigChannel.max_bans);
1283 >  isupport_add("MAXLIST", chanmodes, -1);
1284 >  isupport_add("MAXTARGETS", NULL, ConfigGeneral.max_targets);
1285 >  isupport_add("CHANTYPES", "#", -1);
1286 >
1287 >  snprintf(chanlimit, sizeof(chanlimit), "#:%u",
1288 >           ConfigChannel.max_channels);
1289 >  isupport_add("CHANLIMIT", chanlimit, -1);
1290 >  snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,cimnprstCMORST");
1291 >  isupport_add("CHANNELLEN", NULL, CHANNELLEN);
1292 >  isupport_add("TOPICLEN", NULL, ConfigServerInfo.max_topic_length);
1293 >  isupport_add("CHANMODES", chanmodes, -1);
1294  
1295 <  /* XXX return a default?
1296 <   * if here, then there wasn't an attached conf with a recvq
1297 <   * that is very bad -Dianora
1295 >  /*
1296 >   * message_locale may have changed.  rebuild isupport since it relies
1297 >   * on strlen(form_str(RPL_ISUPPORT))
1298     */
1299 <  return DEFAULT_RECVQ;
1299 >  isupport_rebuild();
1300   }
1301  
1302   /* conf_add_class_to_conf()
1303   *
1304   * inputs       - pointer to config item
1305   * output       - NONE
1306 < * side effects - Add a class pointer to a conf
1306 > * side effects - Add a class pointer to a conf
1307   */
1308   void
1309 < conf_add_class_to_conf(struct ConfItem *conf, const char *class_name)
1309 > conf_add_class_to_conf(struct MaskItem *conf, const char *name)
1310   {
1311 <  struct AccessItem *aconf = map_to_conf(conf);
2796 <  struct ClassItem *class = NULL;
2797 <
2798 <  if (class_name == NULL)
1311 >  if (EmptyString(name) || (conf->class = class_find(name, 1)) == NULL)
1312    {
1313 <    aconf->class_ptr = class_default;
2801 <
2802 <    if (conf->type == CLIENT_TYPE)
2803 <      sendto_realops_flags(UMODE_ALL, L_ALL,
2804 <                           "Warning *** Defaulting to default class for %s@%s",
2805 <                           aconf->user, aconf->host);
2806 <    else
2807 <      sendto_realops_flags(UMODE_ALL, L_ALL,
2808 <                           "Warning *** Defaulting to default class for %s",
2809 <                           conf->name);
2810 <  }
2811 <  else
2812 <    aconf->class_ptr = find_class(class_name);
1313 >    conf->class = class_default;
1314  
1315 <  if (aconf->class_ptr)
1316 <    class = map_to_conf(aconf->class_ptr);
1317 <
1318 <  if (aconf->class_ptr == NULL || !class->active)
2818 <  {
2819 <    if (conf->type == CLIENT_TYPE)
2820 <      sendto_realops_flags(UMODE_ALL, L_ALL,
2821 <                           "Warning *** Defaulting to default class for %s@%s",
2822 <                           aconf->user, aconf->host);
1315 >    if (conf->type == CONF_CLIENT || conf->type == CONF_OPER)
1316 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
1317 >                           "Warning *** Defaulting to default class for %s@%s",
1318 >                           conf->user, conf->host);
1319      else
1320 <      sendto_realops_flags(UMODE_ALL, L_ALL,
1321 <                           "Warning *** Defaulting to default class for %s",
1322 <                           conf->name);
2827 <    aconf->class_ptr = class_default;
1320 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
1321 >                           "Warning *** Defaulting to default class for %s",
1322 >                           conf->name);
1323    }
1324   }
1325  
2831 /* conf_add_server()
2832 *
2833 * inputs       - pointer to config item
2834 *              - pointer to link count already on this conf
2835 * output       - NONE
2836 * side effects - Add a connect block
2837 */
2838 int
2839 conf_add_server(struct ConfItem *conf, const char *class_name)
2840 {
2841  struct AccessItem *aconf = map_to_conf(conf);
2842
2843  conf_add_class_to_conf(conf, class_name);
2844
2845  if (!aconf->host || !conf->name)
2846  {
2847    sendto_realops_flags(UMODE_ALL, L_ALL, "Bad connect block");
2848    ilog(LOG_TYPE_IRCD, "Bad connect block");
2849    return -1;
2850  }
2851
2852  if (EmptyString(aconf->passwd))
2853  {
2854    sendto_realops_flags(UMODE_ALL, L_ALL, "Bad connect block, name %s",
2855                         conf->name);
2856    ilog(LOG_TYPE_IRCD, "Bad connect block, host %s", conf->name);
2857    return -1;
2858  }
2859
2860  lookup_confhost(conf);
2861
2862  return 0;
2863 }
2864
1326   /* yyerror()
1327   *
1328   * inputs       - message from parser
# Line 2877 | Line 1338 | yyerror(const char *msg)
1338      return;
1339  
1340    strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf));
1341 <  sendto_realops_flags(UMODE_ALL, L_ALL, "\"%s\", line %u: %s: %s",
1341 >  sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
1342 >                       "\"%s\", line %u: %s: %s",
1343 >                       conffilebuf, lineno + 1, msg, newlinebuf);
1344 >  ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s",
1345 >       conffilebuf, lineno + 1, msg, newlinebuf);
1346 > }
1347 >
1348 > void
1349 > conf_error_report(const char *msg)
1350 > {
1351 >  char newlinebuf[IRCD_BUFSIZE];
1352 >
1353 >  strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf));
1354 >  sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
1355 >                       "\"%s\", line %u: %s: %s",
1356                         conffilebuf, lineno + 1, msg, newlinebuf);
1357    ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s",
1358         conffilebuf, lineno + 1, msg, newlinebuf);
# Line 2885 | Line 1360 | yyerror(const char *msg)
1360  
1361   /*
1362   * valid_tkline()
1363 < *
1363 > *
1364   * inputs       - pointer to ascii string to check
1365   *              - whether the specified time is in seconds or minutes
1366   * output       - -1 not enough parameters
# Line 2894 | Line 1369 | yyerror(const char *msg)
1369   * Originally written by Dianora (Diane, db@db.net)
1370   */
1371   time_t
1372 < valid_tkline(const char *p, int minutes)
1372 > valid_tkline(const char *data, const int minutes)
1373   {
1374 +  const unsigned char *p = (const unsigned char *)data;
1375 +  unsigned char tmpch = '\0';
1376    time_t result = 0;
1377  
1378 <  for (; *p; ++p)
1378 >  while ((tmpch = *p++))
1379    {
1380 <    if (!IsDigit(*p))
1380 >    if (!IsDigit(tmpch))
1381        return 0;
1382  
1383      result *= 10;
1384 <    result += ((*p) & 0xF);
1384 >    result += (tmpch & 0xF);
1385    }
1386  
1387    /*
1388 <   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1389 <   * i.e. they specifically use 0, I am going to return 1 instead
1390 <   * as a return value of non-zero is used to flag it as a temporary kline
1388 >   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1389 >   * i.e. they specifically use 0, I am going to return 1 instead as a return
1390 >   * value of non-zero is used to flag it as a temporary kline
1391     */
1392    if (result == 0)
1393      result = 1;
1394  
1395 <  /*
1395 >  /*
1396     * If the incoming time is in seconds convert it to minutes for the purpose
1397     * of this calculation
1398     */
1399    if (!minutes)
1400 <    result = result / (time_t)60;
1400 >    result = result / 60;
1401  
1402    if (result > MAX_TDKLINE_TIME)
1403      result = MAX_TDKLINE_TIME;
1404  
1405 <  result = result * (time_t)60;  /* turn it into seconds */
1405 >  result = result * 60;  /* Turn it into seconds */
1406  
1407    return result;
1408   }
1409  
1410 + /* valid_wild_card_simple()
1411 + *
1412 + * inputs       - data to check for sufficient non-wildcard characters
1413 + * outputs      - 1 if valid, else 0
1414 + * side effects - none
1415 + */
1416 + int
1417 + valid_wild_card_simple(const char *data)
1418 + {
1419 +  const unsigned char *p = (const unsigned char *)data;
1420 +  unsigned char tmpch = '\0';
1421 +  unsigned int nonwild = 0, wild = 0;
1422 +
1423 +  while ((tmpch = *p++))
1424 +  {
1425 +    if (tmpch == '\\' && *p)
1426 +    {
1427 +      ++p;
1428 +      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1429 +        return 1;
1430 +    }
1431 +    else if (!IsMWildChar(tmpch))
1432 +    {
1433 +      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1434 +        return 1;
1435 +    }
1436 +    else
1437 +      ++wild;
1438 +  }
1439 +
1440 +  return !wild;
1441 + }
1442 +
1443   /* valid_wild_card()
1444   *
1445   * input        - pointer to client
# Line 2939 | Line 1449 | valid_tkline(const char *p, int minutes)
1449   * side effects - NOTICE is given to source_p if warn is 1
1450   */
1451   int
1452 < valid_wild_card(struct Client *source_p, int warn, int count, ...)
1452 > valid_wild_card(struct Client *source_p, int count, ...)
1453   {
1454 <  char *p;
1455 <  char tmpch;
2946 <  int nonwild = 0;
1454 >  unsigned char tmpch = '\0';
1455 >  unsigned int nonwild = 0;
1456    va_list args;
1457  
1458    /*
# Line 2962 | Line 1471 | valid_wild_card(struct Client *source_p,
1471  
1472    while (count--)
1473    {
1474 <    p = va_arg(args, char *);
1474 >    const unsigned char *p = va_arg(args, const unsigned char *);
1475      if (p == NULL)
1476        continue;
1477  
# Line 2974 | Line 1483 | valid_wild_card(struct Client *source_p,
1483           * If we find enough non-wild characters, we can
1484           * break - no point in searching further.
1485           */
1486 <        if (++nonwild >= ConfigFileEntry.min_nonwildcard)
1486 >        if (++nonwild >= ConfigGeneral.min_nonwildcard)
1487 >        {
1488 >          va_end(args);
1489            return 1;
1490 +        }
1491        }
1492      }
1493    }
1494  
1495 <  if (warn)
1496 <    sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the mask",
1497 <               me.name, source_p->name, ConfigFileEntry.min_nonwildcard);
1495 >  if (IsClient(source_p))
1496 >    sendto_one_notice(source_p, &me,
1497 >                      ":Please include at least %u non-wildcard characters with the mask",
1498 >                      ConfigGeneral.min_nonwildcard);
1499 >  va_end(args);
1500 >  return 0;
1501 > }
1502 >
1503 > /* find_user_host()
1504 > *
1505 > * inputs       - pointer to client placing kline
1506 > *              - pointer to user_host_or_nick
1507 > *              - pointer to user buffer
1508 > *              - pointer to host buffer
1509 > * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1510 > * side effects -
1511 > */
1512 > static int
1513 > find_user_host(struct Client *source_p, char *user_host_or_nick,
1514 >               char *luser, char *lhost)
1515 > {
1516 >  struct Client *target_p = NULL;
1517 >  char *hostp = NULL;
1518 >
1519 >  if (lhost == NULL)
1520 >  {
1521 >    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1522 >    return 1;
1523 >  }
1524 >
1525 >  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1526 >  {
1527 >    /* Explicit user@host mask given */
1528 >    if (hostp)                            /* I'm a little user@host */
1529 >    {
1530 >      *(hostp++) = '\0';                       /* short and squat */
1531 >
1532 >      if (*user_host_or_nick)
1533 >        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1534 >      else
1535 >        strcpy(luser, "*");
1536 >
1537 >      if (*hostp)
1538 >        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
1539 >      else
1540 >        strcpy(lhost, "*");
1541 >    }
1542 >    else
1543 >    {
1544 >      luser[0] = '*';             /* no @ found, assume its *@somehost */
1545 >      luser[1] = '\0';
1546 >      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
1547 >    }
1548 >
1549 >    return 1;
1550 >  }
1551 >  else
1552 >  {
1553 >    /* Try to find user@host mask from nick */
1554 >    /* Okay to use source_p as the first param, because source_p == client_p */
1555 >    if ((target_p =
1556 >        find_chasing(source_p, user_host_or_nick)) == NULL)
1557 >      return 0;  /* find_chasing sends ERR_NOSUCHNICK */
1558 >
1559 >    if (HasFlag(target_p, FLAGS_EXEMPTKLINE))
1560 >    {
1561 >      if (IsClient(source_p))
1562 >        sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
1563 >      return 0;
1564 >    }
1565 >
1566 >    /*
1567 >     * Turn the "user" bit into "*user", blow away '~'
1568 >     * if found in original user name (non-idented)
1569 >     */
1570 >    strlcpy(luser, target_p->username, USERLEN*4 + 1);
1571 >
1572 >    if (target_p->username[0] == '~')
1573 >      luser[0] = '*';
1574 >
1575 >    strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
1576 >    return 1;
1577 >  }
1578 >
1579    return 0;
1580   }
1581  
# Line 2996 | Line 1589 | valid_wild_card(struct Client *source_p,
1589   *              - parse_flags bit map of things to test
1590   *              - pointer to user or string to parse into
1591   *              - pointer to host or NULL to parse into if non NULL
1592 < *              - pointer to optional tkline time or NULL
1592 > *              - pointer to optional tkline time or NULL
1593   *              - pointer to target_server to parse into if non NULL
1594   *              - pointer to reason to parse into
1595   *
1596 < * output       - 1 if valid, -1 if not valid
1596 > * output       - 1 if valid, 0 if not valid
1597   * side effects - A generalised k/d/x etc. line parser,
1598   *               "ALINE [time] user@host|string [ON] target :reason"
1599   *                will parse returning a parsed user, host if
# Line 3018 | Line 1611 | valid_wild_card(struct Client *source_p,
1611   */
1612   int
1613   parse_aline(const char *cmd, struct Client *source_p,
1614 <            int parc, char **parv,
1615 <            int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1616 <            char **target_server, char **reason)
1614 >            int parc, char **parv,
1615 >            int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1616 >            char **target_server, char **reason)
1617   {
1618    int found_tkline_time=0;
1619 <  static char def_reason[] = "No Reason";
1619 >  static char default_reason[] = CONF_NOREASON;
1620    static char user[USERLEN*4+1];
1621    static char host[HOSTLEN*4+1];
1622  
# Line 3032 | Line 1625 | parse_aline(const char *cmd, struct Clie
1625  
1626    found_tkline_time = valid_tkline(*parv, TK_MINUTES);
1627  
1628 <  if (found_tkline_time != 0)
1628 >  if (found_tkline_time)
1629    {
1630      parv++;
1631      parc--;
1632  
1633 <    if (tkline_time != NULL)
1633 >    if (tkline_time)
1634        *tkline_time = found_tkline_time;
1635      else
1636      {
1637 <      sendto_one(source_p, ":%s NOTICE %s :temp_line not supported by %s",
1638 <                 me.name, source_p->name, cmd);
3046 <      return -1;
1637 >      sendto_one_notice(source_p, &me, ":temp_line not supported by %s", cmd);
1638 >      return 0;
1639      }
1640    }
1641  
1642    if (parc == 0)
1643    {
1644 <    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1645 <               me.name, source_p->name, cmd);
3054 <    return -1;
1644 >    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1645 >    return 0;
1646    }
1647  
1648    if (h_p == NULL)
1649      *up_p = *parv;
1650    else
1651    {
1652 <    if (find_user_host(source_p, *parv, user, host, parse_flags) == 0)
1653 <      return -1;
1652 >    if (find_user_host(source_p, *parv, user, host) == 0)
1653 >      return 0;
1654  
1655      *up_p = user;
1656      *h_p = host;
1657    }
1658 <
1658 >
1659    parc--;
1660    parv++;
1661  
1662 <  if (parc != 0)
1662 >  if (parc)
1663    {
1664      if (irccmp(*parv, "ON") == 0)
1665      {
1666        parc--;
1667        parv++;
1668  
3078      if (target_server == NULL)
3079      {
3080        sendto_one(source_p, ":%s NOTICE %s :ON server not supported by %s",
3081                   me.name, source_p->name, cmd);
3082        return -1;
3083      }
3084
1669        if (!HasOFlag(source_p, OPER_FLAG_REMOTEBAN))
1670        {
1671 <        sendto_one(source_p, form_str(ERR_NOPRIVS),
1672 <                   me.name, source_p->name, "remoteban");
3089 <        return -1;
1671 >        sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "remoteban");
1672 >        return 0;
1673        }
1674  
1675        if (parc == 0 || EmptyString(*parv))
1676        {
1677 <        sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1678 <                   me.name, source_p->name, cmd);
3096 <        return -1;
1677 >        sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1678 >        return 0;
1679        }
1680  
1681        *target_server = *parv;
# Line 3105 | Line 1687 | parse_aline(const char *cmd, struct Clie
1687        /* Make sure target_server *is* NULL if no ON server found
1688         * caller probably NULL'd it first, but no harm to do it again -db
1689         */
1690 <      if (target_server != NULL)
1691 <        *target_server = NULL;
1690 >      if (target_server)
1691 >        *target_server = NULL;
1692      }
1693    }
1694  
1695 <  if (h_p != NULL)
1695 >  if (h_p)
1696    {
1697 <    if (strchr(user, '!') != NULL)
1697 >    if (strchr(user, '!'))
1698      {
1699 <      sendto_one(source_p, ":%s NOTICE %s :Invalid character '!' in kline",
1700 <                 me.name, source_p->name);
3119 <      return -1;
1699 >      sendto_one_notice(source_p, &me, ":Invalid character '!' in kline");
1700 >      return 0;
1701      }
1702  
1703 <    if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 2, *up_p, *h_p))
1704 <      return -1;
1703 >    if ((parse_flags & AWILD) && !valid_wild_card(source_p, 2, *up_p, *h_p))
1704 >      return 0;
1705    }
1706    else
1707 <    if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 1, *up_p))
1708 <      return -1;
1707 >    if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, *up_p))
1708 >      return 0;
1709  
1710 <  if (reason != NULL)
1710 >  if (reason)
1711    {
1712 <    if (parc != 0 && !EmptyString(*parv))
3132 <    {
1712 >    if (parc && !EmptyString(*parv))
1713        *reason = *parv;
3134      if (!valid_comment(source_p, *reason, 1))
3135        return -1;
3136    }
1714      else
1715 <      *reason = def_reason;
1715 >      *reason = default_reason;
1716    }
1717  
1718    return 1;
1719   }
1720  
3144 /* find_user_host()
3145 *
3146 * inputs       - pointer to client placing kline
3147 *              - pointer to user_host_or_nick
3148 *              - pointer to user buffer
3149 *              - pointer to host buffer
3150 * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
3151 * side effects -
3152 */
3153 static int
3154 find_user_host(struct Client *source_p, char *user_host_or_nick,
3155               char *luser, char *lhost, unsigned int flags)
3156 {
3157  struct Client *target_p = NULL;
3158  char *hostp = NULL;
3159
3160  if (lhost == NULL)
3161  {
3162    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
3163    return 1;
3164  }
3165
3166  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
3167  {
3168    /* Explicit user@host mask given */
3169
3170    if (hostp != NULL)                            /* I'm a little user@host */
3171    {
3172      *(hostp++) = '\0';                       /* short and squat */
3173      if (*user_host_or_nick)
3174        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
3175      else
3176        strcpy(luser, "*");
3177      if (*hostp)
3178        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
3179      else
3180        strcpy(lhost, "*");
3181    }
3182    else
3183    {
3184      luser[0] = '*';             /* no @ found, assume its *@somehost */
3185      luser[1] = '\0';    
3186      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
3187    }
3188    
3189    return 1;
3190  }
3191  else
3192  {
3193    /* Try to find user@host mask from nick */
3194    /* Okay to use source_p as the first param, because source_p == client_p */
3195    if ((target_p =
3196        find_chasing(source_p, source_p, user_host_or_nick, NULL)) == NULL)
3197      return 0;
3198
3199    if (IsExemptKline(target_p))
3200    {
3201      if (!IsServer(source_p))
3202        sendto_one(source_p,
3203                   ":%s NOTICE %s :%s is E-lined",
3204                   me.name, source_p->name, target_p->name);
3205      return 0;
3206    }
3207
3208    /*
3209     * turn the "user" bit into "*user", blow away '~'
3210     * if found in original user name (non-idented)
3211     */
3212    strlcpy(luser, target_p->username, USERLEN*4 + 1);
3213
3214    if (target_p->username[0] == '~')
3215      luser[0] = '*';
3216
3217    if (target_p->sockhost[0] == '\0' ||
3218        (target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0'))
3219      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
3220    else
3221      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
3222    return 1;
3223  }
3224
3225  return 0;
3226 }
3227
3228 /* valid_comment()
3229 *
3230 * inputs       - pointer to client
3231 *              - pointer to comment
3232 * output       - 0 if no valid comment,
3233 *              - 1 if valid
3234 * side effects - truncates reason where necessary
3235 */
3236 int
3237 valid_comment(struct Client *source_p, char *comment, int warn)
3238 {
3239  if (strchr(comment, '"'))
3240  {
3241    if (warn)
3242      sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"' in comment",
3243                 me.name, source_p->name);
3244    return 0;
3245  }
3246
3247  if (strlen(comment) > REASONLEN)
3248    comment[REASONLEN-1] = '\0';
3249
3250  return 1;
3251 }
3252
1721   /* match_conf_password()
1722   *
1723   * inputs       - pointer to given password
# Line 3258 | Line 1726 | valid_comment(struct Client *source_p, c
1726   * side effects - none
1727   */
1728   int
1729 < match_conf_password(const char *password, const struct AccessItem *aconf)
1729 > match_conf_password(const char *password, const struct MaskItem *conf)
1730   {
1731    const char *encr = NULL;
1732  
1733 <  if (EmptyString(password) || EmptyString(aconf->passwd))
1733 >  if (EmptyString(password) || EmptyString(conf->passwd))
1734      return 0;
1735  
1736 <  if (aconf->flags & CONF_FLAGS_ENCRYPTED)
1737 <    encr = crypt(password, aconf->passwd);
1736 >  if (conf->flags & CONF_FLAGS_ENCRYPTED)
1737 >    encr = crypt(password, conf->passwd);
1738    else
1739      encr = password;
1740  
1741 <  return !strcmp(encr, aconf->passwd);
3274 < }
3275 <
3276 < /*
3277 < * cluster_a_line
3278 < *
3279 < * inputs       - client sending the cluster
3280 < *              - command name "KLINE" "XLINE" etc.
3281 < *              - capab -- CAP_KLN etc. from s_serv.h
3282 < *              - cluster type -- CLUSTER_KLINE etc. from conf.h
3283 < *              - pattern and args to send along
3284 < * output       - none
3285 < * side effects - Take source_p send the pattern with args given
3286 < *                along to all servers that match capab and cluster type
3287 < */
3288 < void
3289 < cluster_a_line(struct Client *source_p, const char *command,
3290 <               int capab, int cluster_type, const char *pattern, ...)
3291 < {
3292 <  va_list args;
3293 <  char buffer[IRCD_BUFSIZE];
3294 <  const dlink_node *ptr = NULL;
3295 <
3296 <  va_start(args, pattern);
3297 <  vsnprintf(buffer, sizeof(buffer), pattern, args);
3298 <  va_end(args);
3299 <
3300 <  DLINK_FOREACH(ptr, cluster_items.head)
3301 <  {
3302 <    const struct ConfItem *conf = ptr->data;
3303 <
3304 <    if (conf->flags & cluster_type)
3305 <      sendto_match_servs(source_p, conf->name, CAP_CLUSTER|capab,
3306 <                         "%s %s %s", command, conf->name, buffer);
3307 <  }
1741 >  return encr && !strcmp(encr, conf->passwd);
1742   }
1743  
1744   /*
# Line 3342 | Line 1776 | split_nuh(struct split_nuh_item *const i
1776  
1777    if (iptr->nickptr)
1778      strlcpy(iptr->nickptr, "*", iptr->nicksize);
1779 +
1780    if (iptr->userptr)
1781      strlcpy(iptr->userptr, "*", iptr->usersize);
1782 +
1783    if (iptr->hostptr)
1784      strlcpy(iptr->hostptr, "*", iptr->hostsize);
1785  
# Line 3351 | Line 1787 | split_nuh(struct split_nuh_item *const i
1787    {
1788      *p = '\0';
1789  
1790 <    if (iptr->nickptr && *iptr->nuhmask != '\0')
1790 >    if (iptr->nickptr && *iptr->nuhmask)
1791        strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize);
1792  
1793 <    if ((q = strchr(++p, '@'))) {
1793 >    if ((q = strchr(++p, '@')))
1794 >    {
1795        *q++ = '\0';
1796  
1797 <      if (*p != '\0')
1797 >      if (*p)
1798          strlcpy(iptr->userptr, p, iptr->usersize);
1799  
1800 <      if (*q != '\0')
1800 >      if (*q)
1801          strlcpy(iptr->hostptr, q, iptr->hostsize);
1802      }
1803      else
1804      {
1805 <      if (*p != '\0')
1805 >      if (*p)
1806          strlcpy(iptr->userptr, p, iptr->usersize);
1807      }
1808    }
# Line 3377 | Line 1814 | split_nuh(struct split_nuh_item *const i
1814        /* if found a @ */
1815        *p++ = '\0';
1816  
1817 <      if (*iptr->nuhmask != '\0')
1817 >      if (*iptr->nuhmask)
1818          strlcpy(iptr->userptr, iptr->nuhmask, iptr->usersize);
1819  
1820 <      if (*p != '\0')
1820 >      if (*p)
1821          strlcpy(iptr->hostptr, p, iptr->hostsize);
1822      }
1823      else
1824      {
1825 <      /* no @ found */
1825 >      /* No @ found */
1826        if (!iptr->nickptr || strpbrk(iptr->nuhmask, ".:"))
1827          strlcpy(iptr->hostptr, iptr->nuhmask, iptr->hostsize);
1828        else
# Line 3393 | Line 1830 | split_nuh(struct split_nuh_item *const i
1830      }
1831    }
1832   }
3396
3397 /*
3398 * flags_to_ascii
3399 *
3400 * inputs       - flags is a bitmask
3401 *              - pointer to table of ascii letters corresponding
3402 *                to each bit
3403 *              - flag 1 for convert ToLower if bit missing
3404 *                0 if ignore.
3405 * output       - none
3406 * side effects - string pointed to by p has bitmap chars written to it
3407 */
3408 static void
3409 flags_to_ascii(unsigned int flags, const unsigned int bit_table[], char *p,
3410               int lowerit)
3411 {
3412  unsigned int mask = 1;
3413  int i = 0;
3414
3415  for (mask = 1; (mask != 0) && (bit_table[i] != 0); mask <<= 1, i++)
3416  {
3417    if (flags & mask)
3418      *p++ = bit_table[i];
3419    else if (lowerit)
3420      *p++ = ToLower(bit_table[i]);
3421  }
3422  *p = '\0';
3423 }
3424
3425 /*
3426 * cidr_limit_reached
3427 *
3428 * inputs       - int flag allowing over_rule of limits
3429 *              - pointer to the ip to be added
3430 *              - pointer to the class
3431 * output       - non zero if limit reached
3432 *                0 if limit not reached
3433 * side effects -
3434 */
3435 static int
3436 cidr_limit_reached(int over_rule,
3437                   struct irc_ssaddr *ip, struct ClassItem *aclass)
3438 {
3439  dlink_node *ptr = NULL;
3440  struct CidrItem *cidr;
3441
3442  if (aclass->number_per_cidr <= 0)
3443    return 0;
3444
3445  if (ip->ss.ss_family == AF_INET)
3446  {
3447    if (aclass->cidr_bitlen_ipv4 <= 0)
3448      return 0;
3449
3450    DLINK_FOREACH(ptr, aclass->list_ipv4.head)
3451    {
3452      cidr = ptr->data;
3453      if (match_ipv4(ip, &cidr->mask, aclass->cidr_bitlen_ipv4))
3454      {
3455        if (!over_rule && (cidr->number_on_this_cidr >= aclass->number_per_cidr))
3456          return -1;
3457        cidr->number_on_this_cidr++;
3458        return 0;
3459      }
3460    }
3461    cidr = MyMalloc(sizeof(struct CidrItem));
3462    cidr->number_on_this_cidr = 1;
3463    cidr->mask = *ip;
3464    mask_addr(&cidr->mask, aclass->cidr_bitlen_ipv4);
3465    dlinkAdd(cidr, &cidr->node, &aclass->list_ipv4);
3466  }
3467 #ifdef IPV6
3468  else if (aclass->cidr_bitlen_ipv6 > 0)
3469  {
3470    DLINK_FOREACH(ptr, aclass->list_ipv6.head)
3471    {
3472      cidr = ptr->data;
3473      if (match_ipv6(ip, &cidr->mask, aclass->cidr_bitlen_ipv6))
3474      {
3475        if (!over_rule && (cidr->number_on_this_cidr >= aclass->number_per_cidr))
3476          return -1;
3477        cidr->number_on_this_cidr++;
3478        return 0;
3479      }
3480    }
3481    cidr = MyMalloc(sizeof(struct CidrItem));
3482    cidr->number_on_this_cidr = 1;
3483    cidr->mask = *ip;
3484    mask_addr(&cidr->mask, aclass->cidr_bitlen_ipv6);
3485    dlinkAdd(cidr, &cidr->node, &aclass->list_ipv6);
3486  }
3487 #endif
3488  return 0;
3489 }
3490
3491 /*
3492 * remove_from_cidr_check
3493 *
3494 * inputs       - pointer to the ip to be removed
3495 *              - pointer to the class
3496 * output       - NONE
3497 * side effects -
3498 */
3499 static void
3500 remove_from_cidr_check(struct irc_ssaddr *ip, struct ClassItem *aclass)
3501 {
3502  dlink_node *ptr = NULL;
3503  dlink_node *next_ptr = NULL;
3504  struct CidrItem *cidr;
3505
3506  if (aclass->number_per_cidr == 0)
3507    return;
3508
3509  if (ip->ss.ss_family == AF_INET)
3510  {
3511    if (aclass->cidr_bitlen_ipv4 <= 0)
3512      return;
3513
3514    DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv4.head)
3515    {
3516      cidr = ptr->data;
3517      if (match_ipv4(ip, &cidr->mask, aclass->cidr_bitlen_ipv4))
3518      {
3519        cidr->number_on_this_cidr--;
3520        if (cidr->number_on_this_cidr == 0)
3521        {
3522          dlinkDelete(ptr, &aclass->list_ipv4);
3523          MyFree(cidr);
3524          return;
3525        }
3526      }
3527    }
3528  }
3529 #ifdef IPV6
3530  else if (aclass->cidr_bitlen_ipv6 > 0)
3531  {
3532    DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv6.head)
3533    {
3534      cidr = ptr->data;
3535      if (match_ipv6(ip, &cidr->mask, aclass->cidr_bitlen_ipv6))
3536      {
3537        cidr->number_on_this_cidr--;
3538        if (cidr->number_on_this_cidr == 0)
3539        {
3540          dlinkDelete(ptr, &aclass->list_ipv6);
3541          MyFree(cidr);
3542          return;
3543        }
3544      }
3545    }
3546  }
3547 #endif
3548 }
3549
3550 static void
3551 rebuild_cidr_list(int aftype, struct ConfItem *oldcl, struct ClassItem *newcl,
3552                  dlink_list *old_list, dlink_list *new_list, int changed)
3553 {
3554  dlink_node *ptr;
3555  struct Client *client_p;
3556  struct ConfItem *conf;
3557  struct AccessItem *aconf;
3558
3559  if (!changed)
3560  {
3561    *new_list = *old_list;
3562    old_list->head = old_list->tail = NULL;
3563    old_list->length = 0;
3564    return;
3565  }
3566
3567  DLINK_FOREACH(ptr, local_client_list.head)
3568  {
3569    client_p = ptr->data;
3570    if (client_p->localClient->aftype != aftype)
3571      continue;
3572    if (dlink_list_length(&client_p->localClient->confs) == 0)
3573      continue;
3574
3575    conf = client_p->localClient->confs.tail->data;
3576    if (conf->type == CLIENT_TYPE)
3577    {
3578      aconf = map_to_conf(conf);
3579      if (aconf->class_ptr == oldcl)
3580        cidr_limit_reached(1, &client_p->localClient->ip, newcl);
3581    }
3582  }
3583 }
3584
3585 /*
3586 * rebuild_cidr_class
3587 *
3588 * inputs       - pointer to old conf
3589 *              - pointer to new_class
3590 * output       - none
3591 * side effects - rebuilds the class link list of cidr blocks
3592 */
3593 void
3594 rebuild_cidr_class(struct ConfItem *conf, struct ClassItem *new_class)
3595 {
3596  struct ClassItem *old_class = map_to_conf(conf);
3597
3598  if (old_class->number_per_cidr > 0 && new_class->number_per_cidr > 0)
3599  {
3600    if (old_class->cidr_bitlen_ipv4 > 0 && new_class->cidr_bitlen_ipv4 > 0)
3601      rebuild_cidr_list(AF_INET, conf, new_class,
3602                        &old_class->list_ipv4, &new_class->list_ipv4,
3603                        old_class->cidr_bitlen_ipv4 != new_class->cidr_bitlen_ipv4);
3604
3605 #ifdef IPV6
3606    if (old_class->cidr_bitlen_ipv6 > 0 && new_class->cidr_bitlen_ipv6 > 0)
3607      rebuild_cidr_list(AF_INET6, conf, new_class,
3608                        &old_class->list_ipv6, &new_class->list_ipv6,
3609                        old_class->cidr_bitlen_ipv6 != new_class->cidr_bitlen_ipv6);
3610 #endif
3611  }
3612
3613  destroy_cidr_class(old_class);
3614 }
3615
3616 /*
3617 * destroy_cidr_list
3618 *
3619 * inputs       - pointer to class dlink list of cidr blocks
3620 * output       - none
3621 * side effects - completely destroys the class link list of cidr blocks
3622 */
3623 static void
3624 destroy_cidr_list(dlink_list *list)
3625 {
3626  dlink_node *ptr = NULL, *next_ptr = NULL;
3627
3628  DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
3629  {
3630    dlinkDelete(ptr, list);
3631    MyFree(ptr->data);
3632  }
3633 }
3634
3635 /*
3636 * destroy_cidr_class
3637 *
3638 * inputs       - pointer to class
3639 * output       - none
3640 * side effects - completely destroys the class link list of cidr blocks
3641 */
3642 static void
3643 destroy_cidr_class(struct ClassItem *aclass)
3644 {
3645  destroy_cidr_list(&aclass->list_ipv4);
3646  destroy_cidr_list(&aclass->list_ipv6);
3647 }

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