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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 1411 by michael, Sat May 12 20:46:53 2012 UTC vs.
ircd-hybrid/trunk/src/conf.c (file contents), Revision 5039 by michael, Sat Dec 13 16:08:37 2014 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) 1997-2014 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_pseudo.h"
32 > #include "server.h"
33   #include "resv.h"
34   #include "channel.h"
35   #include "client.h"
36   #include "event.h"
35 #include "hook.h"
37   #include "irc_string.h"
38   #include "s_bsd.h"
39   #include "ircd.h"
# Line 43 | Line 44
44   #include "fdlist.h"
45   #include "log.h"
46   #include "send.h"
46 #include "s_gline.h"
47   #include "memory.h"
48 < #include "irc_res.h"
48 > #include "res.h"
49   #include "userhost.h"
50 < #include "s_user.h"
50 > #include "user.h"
51   #include "channel_mode.h"
52   #include "parse.h"
53 < #include "s_misc.h"
53 > #include "misc.h"
54 > #include "conf_db.h"
55 > #include "conf_class.h"
56 > #include "motd.h"
57 > #include "ipcache.h"
58  
55 struct Callback *client_check_cb = NULL;
56 struct config_server_hide ConfigServerHide;
59  
60   /* general conf items link list root, other than k lines etc. */
61 < dlink_list service_items = { NULL, NULL, 0 };
62 < dlink_list server_items  = { NULL, NULL, 0 };
63 < dlink_list cluster_items = { NULL, NULL, 0 };
64 < dlink_list oconf_items   = { NULL, NULL, 0 };
65 < dlink_list uconf_items   = { NULL, NULL, 0 };
66 < dlink_list xconf_items   = { NULL, NULL, 0 };
67 < dlink_list rxconf_items  = { NULL, NULL, 0 };
68 < dlink_list rkconf_items  = { NULL, NULL, 0 };
67 < dlink_list nresv_items   = { NULL, NULL, 0 };
68 < dlink_list class_items   = { NULL, NULL, 0 };
69 < dlink_list gdeny_items   = { NULL, NULL, 0 };
70 <
71 < dlink_list temporary_xlines  = { NULL, NULL, 0 };
72 < dlink_list temporary_resv = { NULL, NULL, 0 };
61 > dlink_list service_items;
62 > dlink_list server_items;
63 > dlink_list cluster_items;
64 > dlink_list oconf_items;
65 > dlink_list uconf_items;
66 > dlink_list xconf_items;
67 > dlink_list nresv_items;
68 > dlink_list cresv_items;
69  
70   extern unsigned int lineno;
71   extern char linebuf[];
72   extern char conffilebuf[IRCD_BUFSIZE];
73   extern int yyparse(); /* defined in y.tab.c */
74  
79 struct conf_parser_context conf_parser_ctx = { 0, 0, NULL };
80
81 /* internally defined functions */
82 static void read_conf(FILE *);
83 static void clear_out_old_conf(void);
84 static void flush_deleted_I_P(void);
85 static void expire_tklines(dlink_list *);
86 static void garbage_collect_ip_entries(void);
87 static int hash_ip(struct irc_ssaddr *);
88 static int verify_access(struct Client *, const char *);
89 static int attach_iline(struct Client *, struct ConfItem *);
90 static struct ip_entry *find_or_add_ip(struct irc_ssaddr *);
91 static void parse_conf_file(int, int);
92 static dlink_list *map_to_list(ConfType);
93 static struct AccessItem *find_regexp_kline(const char *[]);
94 static int find_user_host(struct Client *, char *, char *, char *, unsigned int);
95
96 /*
97 * bit_len
98 */
99 static int cidr_limit_reached(int, struct irc_ssaddr *, struct ClassItem *);
100 static void remove_from_cidr_check(struct irc_ssaddr *, struct ClassItem *);
101 static void destroy_cidr_class(struct ClassItem *);
102
103 static void flags_to_ascii(unsigned int, const unsigned int[], char *, int);
104
105 /* address of default class conf */
106 static struct ConfItem *class_default;
107
108 /* usually, with hash tables, you use a prime number...
109 * but in this case I am dealing with ip addresses,
110 * not ascii strings.
111 */
112 #define IP_HASH_SIZE 0x1000
113
114 struct ip_entry
115 {
116  struct irc_ssaddr ip;
117  int count;
118  time_t last_attempt;
119  struct ip_entry *next;
120 };
121
122 static struct ip_entry *ip_hash_table[IP_HASH_SIZE];
123 static BlockHeap *ip_entry_heap = NULL;
124 static int ip_entries_count = 0;
125
126
127 void *
128 map_to_conf(struct ConfItem *aconf)
129 {
130  void *conf;
131  conf = (void *)((uintptr_t)aconf +
132                  (uintptr_t)sizeof(struct ConfItem));
133  return(conf);
134 }
135
136 struct ConfItem *
137 unmap_conf_item(void *aconf)
138 {
139  struct ConfItem *conf;
140
141  conf = (struct ConfItem *)((uintptr_t)aconf -
142                             (uintptr_t)sizeof(struct ConfItem));
143  return(conf);
144 }
75  
76   /* conf_dns_callback()
77   *
78 < * inputs       - pointer to struct AccessItem
78 > * inputs       - pointer to struct MaskItem
79   *              - pointer to DNSReply reply
80   * output       - none
81   * side effects - called when resolver query finishes
# Line 154 | Line 84 | unmap_conf_item(void *aconf)
84   * if successful save hp in the conf item it was called with
85   */
86   static void
87 < conf_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name)
87 > conf_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name, size_t namelength)
88   {
89 <  struct AccessItem *aconf = vptr;
89 >  struct MaskItem *const conf = vptr;
90  
91 <  aconf->dns_pending = 0;
91 >  conf->dns_pending = 0;
92  
93 <  if (addr != NULL)
94 <    memcpy(&aconf->addr, addr, sizeof(aconf->addr));
93 >  if (addr)
94 >    memcpy(&conf->addr, addr, sizeof(conf->addr));
95    else
96 <    aconf->dns_failed = 1;
96 >    conf->dns_failed = 1;
97   }
98  
99   /* conf_dns_lookup()
# Line 173 | Line 103 | conf_dns_callback(void *vptr, const stru
103   * allocate a dns_query and start ns lookup.
104   */
105   static void
106 < conf_dns_lookup(struct AccessItem *aconf)
106 > conf_dns_lookup(struct MaskItem *conf)
107   {
108 <  if (!aconf->dns_pending)
109 <  {
110 <    aconf->dns_pending = 1;
111 <    gethost_byname(conf_dns_callback, aconf, aconf->host);
112 <  }
108 >  if (conf->dns_pending)
109 >    return;
110 >
111 >  conf->dns_pending = 1;
112 >
113 >  if (conf->aftype == AF_INET)
114 >    gethost_byname_type(conf_dns_callback, conf, conf->host, T_A);
115 >  else
116 >    gethost_byname_type(conf_dns_callback, conf, conf->host, T_AAAA);
117   }
118  
119 < /* make_conf_item()
119 > /* map_to_list()
120   *
121 < * inputs       - type of item
122 < * output       - pointer to new conf entry
123 < * side effects - none
121 > * inputs       - ConfType conf
122 > * output       - pointer to dlink_list to use
123 > * side effects - none
124   */
125 < struct ConfItem *
126 < make_conf_item(ConfType type)
125 > static dlink_list *
126 > map_to_list(enum maskitem_type type)
127   {
194  struct ConfItem *conf = NULL;
195  struct AccessItem *aconf = NULL;
196  struct ClassItem *aclass = NULL;
197  int status = 0;
198
128    switch (type)
129    {
130 <  case DLINE_TYPE:
131 <  case EXEMPTDLINE_TYPE:
203 <  case GLINE_TYPE:
204 <  case KLINE_TYPE:
205 <  case CLIENT_TYPE:
206 <  case OPER_TYPE:
207 <  case SERVER_TYPE:
208 <    conf = MyMalloc(sizeof(struct ConfItem) +
209 <                    sizeof(struct AccessItem));
210 <    aconf = map_to_conf(conf);
211 <    aconf->aftype = AF_INET;
212 <
213 <    /* Yes, sigh. switch on type again */
214 <    switch (type)
215 <    {
216 <    case EXEMPTDLINE_TYPE:
217 <      status = CONF_EXEMPTDLINE;
130 >    case CONF_XLINE:
131 >      return &xconf_items;
132        break;
133 <
134 <    case DLINE_TYPE:
221 <      status = CONF_DLINE;
222 <      break;
223 <
224 <    case KLINE_TYPE:
225 <      status = CONF_KLINE;
226 <      break;
227 <
228 <    case GLINE_TYPE:
229 <      status = CONF_GLINE;
133 >    case CONF_ULINE:
134 >      return &uconf_items;
135        break;
136 <
137 <    case CLIENT_TYPE:
233 <      status = CONF_CLIENT;
136 >    case CONF_NRESV:
137 >      return &nresv_items;
138        break;
139 <
140 <    case OPER_TYPE:
237 <      status = CONF_OPERATOR;
238 <      dlinkAdd(conf, &conf->node, &oconf_items);
139 >    case CONF_CRESV:
140 >      return &cresv_items;
141        break;
142 <
143 <    case SERVER_TYPE:
242 <      status = CONF_SERVER;
243 <      dlinkAdd(conf, &conf->node, &server_items);
142 >    case CONF_OPER:
143 >      return &oconf_items;
144        break;
145 <
146 <    default:
247 <      break;
248 <    }
249 <    aconf->status = status;
250 <    break;
251 <
252 <  case ULINE_TYPE:
253 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
254 <                                       sizeof(struct MatchItem));
255 <    dlinkAdd(conf, &conf->node, &uconf_items);
256 <    break;
257 <
258 <  case GDENY_TYPE:
259 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
260 <                                       sizeof(struct AccessItem));
261 <    dlinkAdd(conf, &conf->node, &gdeny_items);
262 <    break;
263 <
264 <  case XLINE_TYPE:
265 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
266 <                                       sizeof(struct MatchItem));
267 <    dlinkAdd(conf, &conf->node, &xconf_items);
268 <    break;
269 < #ifdef HAVE_LIBPCRE
270 <  case RXLINE_TYPE:
271 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
272 <                                       sizeof(struct MatchItem));
273 <    dlinkAdd(conf, &conf->node, &rxconf_items);
274 <    break;
275 <
276 <  case RKLINE_TYPE:
277 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
278 <                                       sizeof(struct AccessItem));
279 <    aconf = map_to_conf(conf);
280 <    aconf->status = CONF_KLINE;
281 <    dlinkAdd(conf, &conf->node, &rkconf_items);
282 <    break;
283 < #endif
284 <  case CLUSTER_TYPE:
285 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem));
286 <    dlinkAdd(conf, &conf->node, &cluster_items);
287 <    break;
288 <
289 <  case CRESV_TYPE:
290 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
291 <                                       sizeof(struct ResvChannel));
292 <    break;
293 <
294 <  case NRESV_TYPE:
295 <    conf = (struct ConfItem *)MyMalloc(sizeof(struct ConfItem) +
296 <                                       sizeof(struct MatchItem));
297 <    dlinkAdd(conf, &conf->node, &nresv_items);
298 <    break;
299 <
300 <  case SERVICE_TYPE:
301 <    status = CONF_SERVICE;
302 <    conf = MyMalloc(sizeof(struct ConfItem));
303 <    dlinkAdd(conf, &conf->node, &service_items);
304 <    break;
305 <
306 <  case CLASS_TYPE:
307 <    conf = MyMalloc(sizeof(struct ConfItem) +
308 <                           sizeof(struct ClassItem));
309 <    dlinkAdd(conf, &conf->node, &class_items);
310 <
311 <    aclass = map_to_conf(conf);
312 <    aclass->active = 1;
313 <    aclass->con_freq = DEFAULT_CONNECTFREQUENCY;
314 <    aclass->ping_freq = DEFAULT_PINGFREQUENCY;
315 <    aclass->max_total = MAXIMUM_LINKS_DEFAULT;
316 <    aclass->max_sendq = DEFAULT_SENDQ;
317 <
318 <    break;
319 <
320 <  default:
321 <    conf = NULL;
322 <    break;
323 <  }
324 <
325 <  /* XXX Yes, this will core if default is hit. I want it to for now - db */
326 <  conf->type = type;
327 <
328 <  return conf;
329 < }
330 <
331 < void
332 < delete_conf_item(struct ConfItem *conf)
333 < {
334 <  dlink_node *m = NULL, *m_next = NULL;
335 <  struct MatchItem *match_item;
336 <  struct AccessItem *aconf;
337 <  ConfType type = conf->type;
338 <
339 <  MyFree(conf->name);
340 <  conf->name = NULL;
341 <
342 <  switch(type)
343 <  {
344 <  case DLINE_TYPE:
345 <  case EXEMPTDLINE_TYPE:
346 <  case GLINE_TYPE:
347 <  case KLINE_TYPE:
348 <  case CLIENT_TYPE:
349 <  case OPER_TYPE:
350 <  case SERVER_TYPE:
351 <    aconf = map_to_conf(conf);
352 <
353 <    if (aconf->dns_pending)
354 <      delete_resolver_queries(aconf);
355 <    if (aconf->passwd != NULL)
356 <      memset(aconf->passwd, 0, strlen(aconf->passwd));
357 <    if (aconf->spasswd != NULL)
358 <      memset(aconf->spasswd, 0, strlen(aconf->spasswd));
359 <    aconf->class_ptr = NULL;
360 <
361 <    MyFree(aconf->passwd);
362 <    MyFree(aconf->spasswd);
363 <    MyFree(aconf->reason);
364 <    MyFree(aconf->oper_reason);
365 <    MyFree(aconf->user);
366 <    MyFree(aconf->host);
367 < #ifdef HAVE_LIBCRYPTO
368 <    MyFree(aconf->cipher_list);
369 <
370 <    if (aconf->rsa_public_key)
371 <      RSA_free(aconf->rsa_public_key);
372 <    MyFree(aconf->rsa_public_key_file);
373 < #endif
374 <
375 <    /* Yes, sigh. switch on type again */
376 <    switch(type)
377 <    {
378 <    case EXEMPTDLINE_TYPE:
379 <    case DLINE_TYPE:
380 <    case GLINE_TYPE:
381 <    case KLINE_TYPE:
382 <    case CLIENT_TYPE:
383 <      MyFree(conf);
145 >    case CONF_SERVER:
146 >      return &server_items;
147        break;
148 <
149 <    case OPER_TYPE:
387 <      aconf = map_to_conf(conf);
388 <      if (!IsConfIllegal(aconf))
389 <        dlinkDelete(&conf->node, &oconf_items);
390 <      MyFree(conf);
148 >    case CONF_SERVICE:
149 >      return &service_items;
150        break;
151 <
152 <    case SERVER_TYPE:
394 <      aconf = map_to_conf(conf);
395 <
396 <      DLINK_FOREACH_SAFE(m, m_next, aconf->hub_list.head)
397 <      {
398 <        MyFree(m->data);
399 <        free_dlink_node(m);
400 <      }
401 <
402 <      DLINK_FOREACH_SAFE(m, m_next, aconf->leaf_list.head)
403 <      {
404 <        MyFree(m->data);
405 <        free_dlink_node(m);  
406 <      }
407 <
408 <      if (!IsConfIllegal(aconf))
409 <        dlinkDelete(&conf->node, &server_items);
410 <      MyFree(conf);
151 >    case CONF_CLUSTER:
152 >      return &cluster_items;
153        break;
412
154      default:
155 <      break;
415 <    }
416 <    break;
417 <
418 <  case ULINE_TYPE:
419 <    match_item = map_to_conf(conf);
420 <    MyFree(match_item->user);
421 <    MyFree(match_item->host);
422 <    MyFree(match_item->reason);
423 <    MyFree(match_item->oper_reason);
424 <    dlinkDelete(&conf->node, &uconf_items);
425 <    MyFree(conf);
426 <    break;
427 <
428 <  case XLINE_TYPE:
429 <    match_item = map_to_conf(conf);
430 <    MyFree(match_item->user);
431 <    MyFree(match_item->host);
432 <    MyFree(match_item->reason);
433 <    MyFree(match_item->oper_reason);
434 <    dlinkDelete(&conf->node, &xconf_items);
435 <    MyFree(conf);
436 <    break;
437 < #ifdef HAVE_LIBPCRE
438 <  case RKLINE_TYPE:
439 <    aconf = map_to_conf(conf);
440 <    MyFree(aconf->regexuser);
441 <    MyFree(aconf->regexhost);
442 <    MyFree(aconf->user);
443 <    MyFree(aconf->host);
444 <    MyFree(aconf->reason);
445 <    MyFree(aconf->oper_reason);
446 <    dlinkDelete(&conf->node, &rkconf_items);
447 <    MyFree(conf);
448 <    break;
449 <
450 <  case RXLINE_TYPE:
451 <    MyFree(conf->regexpname);
452 <    match_item = map_to_conf(conf);
453 <    MyFree(match_item->user);
454 <    MyFree(match_item->host);
455 <    MyFree(match_item->reason);
456 <    MyFree(match_item->oper_reason);
457 <    dlinkDelete(&conf->node, &rxconf_items);
458 <    MyFree(conf);
459 <    break;
460 < #endif
461 <  case NRESV_TYPE:
462 <    match_item = map_to_conf(conf);
463 <    MyFree(match_item->user);
464 <    MyFree(match_item->host);
465 <    MyFree(match_item->reason);
466 <    MyFree(match_item->oper_reason);
467 <    dlinkDelete(&conf->node, &nresv_items);
468 <
469 <    if (conf->flags & CONF_FLAGS_TEMPORARY)
470 <      if ((m = dlinkFindDelete(&temporary_resv, conf)) != NULL)
471 <        free_dlink_node(m);
472 <
473 <    MyFree(conf);
474 <    break;
475 <
476 <  case GDENY_TYPE:
477 <    aconf = map_to_conf(conf);
478 <    MyFree(aconf->user);
479 <    MyFree(aconf->host);
480 <    dlinkDelete(&conf->node, &gdeny_items);
481 <    MyFree(conf);
482 <    break;
483 <
484 <  case CLUSTER_TYPE:
485 <    dlinkDelete(&conf->node, &cluster_items);
486 <    MyFree(conf);
487 <    break;
488 <
489 <  case CRESV_TYPE:
490 <    if (conf->flags & CONF_FLAGS_TEMPORARY)
491 <      if ((m = dlinkFindDelete(&temporary_resv, conf)) != NULL)
492 <        free_dlink_node(m);
493 <
494 <    MyFree(conf);
495 <    break;
496 <
497 <  case CLASS_TYPE:
498 <    dlinkDelete(&conf->node, &class_items);
499 <    MyFree(conf);
500 <    break;
501 <
502 <  case SERVICE_TYPE:
503 <    dlinkDelete(&conf->node, &service_items);
504 <    MyFree(conf);
505 <    break;
506 <
507 <  default:
508 <    break;
155 >      return NULL;
156    }
157   }
158  
159 < /* free_access_item()
160 < *
514 < * inputs       - pointer to conf to free
515 < * output       - none
516 < * side effects - crucial password fields are zeroed, conf is freed
517 < */
518 < void
519 < free_access_item(struct AccessItem *aconf)
159 > struct MaskItem *
160 > conf_make(enum maskitem_type type)
161   {
162 <  struct ConfItem *conf;
162 >  struct MaskItem *const conf = MyCalloc(sizeof(*conf));
163 >  dlink_list *list = NULL;
164  
165 <  if (aconf == NULL)
166 <    return;
167 <  conf = unmap_conf_item(aconf);
526 <  delete_conf_item(conf);
527 < }
165 >  conf->type   = type;
166 >  conf->active = 1;
167 >  conf->aftype = AF_INET;
168  
169 < static const unsigned int shared_bit_table[] =
170 <  { 'K', 'k', 'U', 'X', 'x', 'Y', 'Q', 'q', 'R', 'L', 0};
169 >  if ((list = map_to_list(type)))
170 >    dlinkAdd(conf, &conf->node, list);
171 >  return conf;
172 > }
173  
532 /* report_confitem_types()
533 *
534 * inputs       - pointer to client requesting confitem report
535 *              - ConfType to report
536 * output       - none
537 * side effects -
538 */
174   void
175 < report_confitem_types(struct Client *source_p, ConfType type)
175 > conf_free(struct MaskItem *conf)
176   {
177 <  dlink_node *ptr = NULL, *dptr = NULL;
178 <  struct ConfItem *conf = NULL;
544 <  struct AccessItem *aconf = NULL;
545 <  struct MatchItem *matchitem = NULL;
546 <  struct ClassItem *classitem = NULL;
547 <  char buf[12];
548 <  char *p = NULL;
549 <
550 <  switch (type)
551 <  {
552 <  case GDENY_TYPE:
553 <    DLINK_FOREACH(ptr, gdeny_items.head)
554 <    {
555 <      conf = ptr->data;
556 <      aconf = map_to_conf(conf);
557 <
558 <      p = buf;
559 <
560 <      if (aconf->flags & GDENY_BLOCK)
561 <        *p++ = 'B';
562 <      else
563 <        *p++ = 'b';
564 <
565 <      if (aconf->flags & GDENY_REJECT)
566 <        *p++ = 'R';
567 <      else
568 <        *p++ = 'r';
177 >  dlink_node *node = NULL, *node_next = NULL;
178 >  dlink_list *list = NULL;
179  
180 <      *p = '\0';
180 >  if ((list = map_to_list(conf->type)))
181 >    dlinkFindDelete(list, conf);
182  
183 <      sendto_one(source_p, ":%s %d %s V %s@%s %s %s",
573 <                 me.name, RPL_STATSDEBUG, source_p->name,
574 <                 aconf->user, aconf->host, conf->name, buf);
575 <    }
576 <    break;
577 <
578 <  case XLINE_TYPE:
579 <    DLINK_FOREACH(ptr, xconf_items.head)
580 <    {
581 <      conf = ptr->data;
582 <      matchitem = map_to_conf(conf);
583 <
584 <      sendto_one(source_p, form_str(RPL_STATSXLINE),
585 <                 me.name, source_p->name,
586 <                 matchitem->hold ? "x": "X", matchitem->count,
587 <                 conf->name, matchitem->reason);
588 <    }
589 <    break;
590 <
591 < #ifdef HAVE_LIBPCRE
592 <  case RXLINE_TYPE:
593 <    DLINK_FOREACH(ptr, rxconf_items.head)
594 <    {
595 <      conf = ptr->data;
596 <      matchitem = map_to_conf(conf);
597 <
598 <      sendto_one(source_p, form_str(RPL_STATSXLINE),
599 <                 me.name, source_p->name,
600 <                 "XR", matchitem->count,
601 <                 conf->name, matchitem->reason);
602 <    }
603 <    break;
183 >  MyFree(conf->name);
184  
185 <  case RKLINE_TYPE:
186 <    DLINK_FOREACH(ptr, rkconf_items.head)
187 <    {
188 <      aconf = map_to_conf((conf = ptr->data));
185 >  if (conf->dns_pending)
186 >    delete_resolver_queries(conf);
187 >  if (conf->passwd)
188 >    memset(conf->passwd, 0, strlen(conf->passwd));
189 >  if (conf->spasswd)
190 >    memset(conf->spasswd, 0, strlen(conf->spasswd));
191 >
192 >  conf->class = NULL;
193 >
194 >  MyFree(conf->passwd);
195 >  MyFree(conf->spasswd);
196 >  MyFree(conf->reason);
197 >  MyFree(conf->certfp);
198 >  MyFree(conf->user);
199 >  MyFree(conf->host);
200 > #ifdef HAVE_LIBCRYPTO
201 >  MyFree(conf->cipher_list);
202  
203 <      sendto_one(source_p, form_str(RPL_STATSKLINE), me.name,
204 <                 source_p->name, "KR", aconf->host, aconf->user,
612 <                 aconf->reason, aconf->oper_reason ? aconf->oper_reason : "");
613 <    }
614 <    break;
203 >  if (conf->rsa_public_key)
204 >    RSA_free(conf->rsa_public_key);
205   #endif
206 <
617 <  case ULINE_TYPE:
618 <    DLINK_FOREACH(ptr, uconf_items.head)
619 <    {
620 <      conf = ptr->data;
621 <      matchitem = map_to_conf(conf);
622 <
623 <      p = buf;
624 <
625 <      /* some of these are redundant for the sake of
626 <       * consistency with cluster{} flags
627 <       */
628 <      *p++ = 'c';
629 <      flags_to_ascii(matchitem->action, shared_bit_table, p, 0);
630 <
631 <      sendto_one(source_p, form_str(RPL_STATSULINE),
632 <                 me.name, source_p->name, conf->name,
633 <                 matchitem->user?matchitem->user: "*",
634 <                 matchitem->host?matchitem->host: "*", buf);
635 <    }
636 <
637 <    DLINK_FOREACH(ptr, cluster_items.head)
638 <    {
639 <      conf = ptr->data;
640 <
641 <      p = buf;
642 <
643 <      *p++ = 'C';
644 <      flags_to_ascii(conf->flags, shared_bit_table, p, 0);
645 <
646 <      sendto_one(source_p, form_str(RPL_STATSULINE),
647 <                 me.name, source_p->name, conf->name,
648 <                 "*", "*", buf);
649 <    }
650 <
651 <    break;
652 <
653 <  case OPER_TYPE:
654 <    DLINK_FOREACH(ptr, oconf_items.head)
655 <    {
656 <      conf = ptr->data;
657 <      aconf = map_to_conf(conf);
658 <
659 <      /* Don't allow non opers to see oper privs */
660 <      if (HasUMode(source_p, UMODE_OPER))
661 <        sendto_one(source_p, form_str(RPL_STATSOLINE),
662 <                   me.name, source_p->name, 'O', aconf->user, aconf->host,
663 <                   conf->name, oper_privs_as_string(aconf->port),
664 <                   aconf->class_ptr ? aconf->class_ptr->name : "<default>");
665 <      else
666 <        sendto_one(source_p, form_str(RPL_STATSOLINE),
667 <                   me.name, source_p->name, 'O', aconf->user, aconf->host,
668 <                   conf->name, "0",
669 <                   aconf->class_ptr ? aconf->class_ptr->name : "<default>");
670 <    }
671 <    break;
672 <
673 <  case CLASS_TYPE:
674 <    DLINK_FOREACH(ptr, class_items.head)
675 <    {
676 <      conf = ptr->data;
677 <      classitem = map_to_conf(conf);
678 <      sendto_one(source_p, form_str(RPL_STATSYLINE),
679 <                 me.name, source_p->name, 'Y',
680 <                 conf->name, classitem->ping_freq,
681 <                 classitem->con_freq,
682 <                 classitem->max_total, classitem->max_sendq,
683 <                 classitem->curr_user_count,
684 <                 classitem->active ? "active" : "disabled");
685 <    }
686 <    break;
687 <
688 <  case CONF_TYPE:
689 <  case CLIENT_TYPE:
690 <    break;
691 <
692 <  case SERVICE_TYPE:
693 <    DLINK_FOREACH(ptr, service_items.head)
694 <    {
695 <      conf = ptr->data;
696 <      sendto_one(source_p, form_str(RPL_STATSSERVICE),
697 <                 me.name, source_p->name, 'S', "*", conf->name, 0, 0);
698 <    }
699 <    break;
700 <
701 <  case SERVER_TYPE:
702 <    DLINK_FOREACH(ptr, server_items.head)
703 <    {
704 <      p = buf;
705 <
706 <      conf = ptr->data;
707 <      aconf = map_to_conf(conf);
708 <
709 <      buf[0] = '\0';
710 <
711 <      if (IsConfAllowAutoConn(aconf))
712 <        *p++ = 'A';
713 <      if (IsConfSSL(aconf))
714 <        *p++ = 'S';
715 <      if (IsConfTopicBurst(aconf))
716 <        *p++ = 'T';
717 <      if (buf[0] == '\0')
718 <        *p++ = '*';
719 <
720 <      *p = '\0';
721 <
722 <      /*
723 <       * Allow admins to see actual ips unless hide_server_ips is enabled
724 <       */
725 <      if (!ConfigServerHide.hide_server_ips && HasUMode(source_p, UMODE_ADMIN))
726 <        sendto_one(source_p, form_str(RPL_STATSCLINE),
727 <                   me.name, source_p->name, 'C', aconf->host,
728 <                   buf, conf->name, aconf->port,
729 <                   aconf->class_ptr ? aconf->class_ptr->name : "<default>");
730 <        else
731 <          sendto_one(source_p, form_str(RPL_STATSCLINE),
732 <                     me.name, source_p->name, 'C',
733 <                     "*@127.0.0.1", buf, conf->name, aconf->port,
734 <                     aconf->class_ptr ? aconf->class_ptr->name : "<default>");
735 <    }
736 <    break;
737 <
738 <  case HUB_TYPE:
739 <    DLINK_FOREACH(ptr, server_items.head)
740 <    {
741 <      conf = ptr->data;
742 <      aconf = map_to_conf(conf);
743 <
744 <      DLINK_FOREACH(dptr, aconf->hub_list.head)
745 <        sendto_one(source_p, form_str(RPL_STATSHLINE), me.name,
746 <                   source_p->name, 'H', dptr->data, conf->name, 0, "*");
747 <    }
748 <    break;
749 <
750 <  case LEAF_TYPE:
751 <    DLINK_FOREACH(ptr, server_items.head)
752 <    {
753 <      conf = ptr->data;
754 <      aconf = map_to_conf(conf);
755 <
756 <      DLINK_FOREACH(dptr, aconf->leaf_list.head)
757 <        sendto_one(source_p, form_str(RPL_STATSLLINE), me.name,
758 <                   source_p->name, 'L', dptr->data, conf->name, 0, "*");
759 <    }
760 <    break;
761 <
762 <  case GLINE_TYPE:
763 <  case KLINE_TYPE:
764 <  case DLINE_TYPE:
765 <  case EXEMPTDLINE_TYPE:
766 <  case CRESV_TYPE:
767 <  case NRESV_TYPE:
768 <  case CLUSTER_TYPE:
769 <  default:
770 <    break;
771 <  }
772 < }
773 <
774 < /* check_client()
775 < *
776 < * inputs       - pointer to client
777 < * output       - 0 = Success
778 < *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
779 < *                IRCD_SOCKET_ERROR (-2) = Bad socket.
780 < *                I_LINE_FULL       (-3) = I-line is full
781 < *                TOO_MANY          (-4) = Too many connections from hostname
782 < *                BANNED_CLIENT     (-5) = K-lined
783 < * side effects - Ordinary client access check.
784 < *                Look for conf lines which have the same
785 < *                status as the flags passed.
786 < */
787 < static void *
788 < check_client(va_list args)
789 < {
790 <  struct Client *source_p = va_arg(args, struct Client *);
791 <  const char *username = va_arg(args, const char *);
792 <  int i;
793 <
794 <  /* I'm already in big trouble if source_p->localClient is NULL -db */
795 <  if ((i = verify_access(source_p, username)))
796 <    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
797 <         source_p->name, source_p->sockhost);
798 <
799 <  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).",
804 <                           get_client_name(source_p, SHOW_IP),
805 <                           source_p->sockhost);
806 <      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
807 <           get_client_name(source_p, SHOW_IP));
808 <      ++ServerStats.is_ref;
809 <      exit_client(source_p, &me, "No more connections allowed on that IP");
810 <      break;
811 <
812 <    case I_LINE_FULL:
813 <      sendto_realops_flags(UMODE_FULL, L_ALL,
814 <                           "I-line is full for %s (%s).",
815 <                           get_client_name(source_p, SHOW_IP),
816 <                           source_p->sockhost);
817 <      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
818 <           get_client_name(source_p, SHOW_IP));
819 <      ++ServerStats.is_ref;
820 <      exit_client(source_p, &me,
821 <                "No more connections allowed in your connection class");
822 <      break;
823 <
824 <    case NOT_AUTHORIZED:
825 <      ++ServerStats.is_ref;
826 <      /* jdc - lists server name & port connections are on */
827 <      /*       a purely cosmetical change */
828 <      sendto_realops_flags(UMODE_UNAUTH, L_ALL,
829 <                           "Unauthorized client connection from %s [%s] on [%s/%u].",
830 <                           get_client_name(source_p, SHOW_IP),
831 <                           source_p->sockhost,
832 <                           source_p->localClient->listener->name,
833 <                           source_p->localClient->listener->port);
834 <      ilog(LOG_TYPE_IRCD,
835 <          "Unauthorized client connection from %s on [%s/%u].",
836 <          get_client_name(source_p, SHOW_IP),
837 <          source_p->localClient->listener->name,
838 <          source_p->localClient->listener->port);
839 <
840 <      /* XXX It is prolematical whether it is better to use the
841 <       * capture reject code here or rely on the connecting too fast code.
842 <       * - Dianora
843 <       */
844 <      if (REJECT_HOLD_TIME > 0)
845 <      {
846 <        sendto_one(source_p, ":%s NOTICE %s :You are not authorized to use this server",
847 <                   me.name, source_p->name);
848 <        source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
849 <        SetCaptured(source_p);
850 <      }
851 <      else
852 <        exit_client(source_p, &me, "You are not authorized to use this server");
853 <      break;
854 <
855 <   case BANNED_CLIENT:
856 <     /*
857 <      * Don't exit them immediately, play with them a bit.
858 <      * - Dianora
859 <      */
860 <     if (REJECT_HOLD_TIME > 0)
861 <     {
862 <       source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
863 <       SetCaptured(source_p);
864 <     }
865 <     else
866 <       exit_client(source_p, &me, "Banned");
867 <     ++ServerStats.is_ref;
868 <     break;
869 <
870 <   case 0:
871 <   default:
872 <     break;
208 >    MyFree(node->data);
209 >    dlinkDelete(node, &conf->hub_list);
210 >    free_dlink_node(node);
211    }
212  
213 <  return (i < 0 ? NULL : source_p);
876 < }
877 <
878 < /* verify_access()
879 < *
880 < * inputs       - pointer to client to verify
881 < *              - pointer to proposed username
882 < * output       - 0 if success -'ve if not
883 < * side effect  - find the first (best) I line to attach.
884 < */
885 < static int
886 < verify_access(struct Client *client_p, const char *username)
887 < {
888 <  struct AccessItem *aconf = NULL, *rkconf = NULL;
889 <  struct ConfItem *conf = NULL;
890 <  char non_ident[USERLEN + 1] = { '~', '\0' };
891 <  const char *uhi[3];
892 <
893 <  if (IsGotId(client_p))
213 >  DLINK_FOREACH_SAFE(node, node_next, conf->leaf_list.head)
214    {
215 <    aconf = find_address_conf(client_p->host, client_p->username,
216 <                             &client_p->localClient->ip,
217 <                             client_p->localClient->aftype,
898 <                             client_p->localClient->passwd);
215 >    MyFree(node->data);
216 >    dlinkDelete(node, &conf->leaf_list);
217 >    free_dlink_node(node);
218    }
900  else
901  {
902    strlcpy(non_ident+1, username, sizeof(non_ident)-1);
903    aconf = find_address_conf(client_p->host,non_ident,
904                             &client_p->localClient->ip,
905                             client_p->localClient->aftype,
906                             client_p->localClient->passwd);
907  }
908
909  uhi[0] = IsGotId(client_p) ? client_p->username : non_ident;
910  uhi[1] = client_p->host;
911  uhi[2] = client_p->sockhost;
912
913  rkconf = find_regexp_kline(uhi);
219  
220 <  if (aconf != NULL)
220 >  DLINK_FOREACH_SAFE(node, node_next, conf->exempt_list.head)
221    {
222 <    if (IsConfClient(aconf) && !rkconf)
918 <    {
919 <      conf = unmap_conf_item(aconf);
920 <
921 <      if (IsConfRedir(aconf))
922 <      {
923 <        sendto_one(client_p, form_str(RPL_REDIR),
924 <                   me.name, client_p->name,
925 <                   conf->name ? conf->name : "",
926 <                   aconf->port);
927 <        return(NOT_AUTHORIZED);
928 <      }
222 >    struct exempt *exptr = node->data;
223  
224 <      if (IsConfDoIdentd(aconf))
225 <        SetNeedId(client_p);
226 <
227 <      /* Thanks for spoof idea amm */
228 <      if (IsConfDoSpoofIp(aconf))
935 <      {
936 <        conf = unmap_conf_item(aconf);
937 <
938 <        if (!ConfigFileEntry.hide_spoof_ips && IsConfSpoofNotice(aconf))
939 <          sendto_realops_flags(UMODE_ALL, L_ADMIN, "%s spoofing: %s as %s",
940 <                               client_p->name, client_p->host, conf->name);
941 <        strlcpy(client_p->host, conf->name, sizeof(client_p->host));
942 <        SetIPSpoof(client_p);
943 <      }
944 <
945 <      return(attach_iline(client_p, conf));
946 <    }
947 <    else if (rkconf || IsConfKill(aconf) || (ConfigFileEntry.glines && IsConfGline(aconf)))
948 <    {
949 <      /* XXX */
950 <      aconf = rkconf ? rkconf : aconf;
951 <      if (IsConfGline(aconf))
952 <        sendto_one(client_p, ":%s NOTICE %s :*** G-lined", me.name,
953 <                   client_p->name);
954 <      if (ConfigFileEntry.kline_with_reason)
955 <        sendto_one(client_p, ":%s NOTICE %s :*** Banned %s",
956 <                  me.name, client_p->name, aconf->reason);
957 <      return(BANNED_CLIENT);
958 <    }
224 >    dlinkDelete(node, &conf->exempt_list);
225 >    MyFree(exptr->name);
226 >    MyFree(exptr->user);
227 >    MyFree(exptr->host);
228 >    MyFree(exptr);
229    }
230  
231 <  return(NOT_AUTHORIZED);
231 >  MyFree(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;
975 <  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);
983 <
984 <  aconf = map_to_conf(conf);
985 <  if (aconf->class_ptr == NULL)
986 <    return NOT_AUTHORIZED;  /* If class is missing, this is best */
987 <
988 <  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);
# Line 994 | Line 257 | attach_iline(struct Client *client_p, st
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, "
1016 <               "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()
1023 < *
1024 < * inputs               - NONE
1025 < * output               - NONE
1026 < * side effects         - allocate memory for ip_entry(s)
1027 < *                      - clear the ip hash table
1028 < */
1029 < void
1030 < init_ip_hash_table(void)
1031 < {
1032 <  ip_entry_heap = BlockHeapCreate("ip", sizeof(struct ip_entry),
1033 <    2 * hard_fdlimit);
1034 <  memset(ip_hash_table, 0, sizeof(ip_hash_table));
1035 < }
1036 <
1037 < /* find_or_add_ip()
1038 < *
1039 < * inputs       - pointer to struct irc_ssaddr
1040 < * output       - pointer to a struct ip_entry
1041 < * 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;
294 <  int hash_index = hash_ip(ip_in), res;
1051 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
1052 < #ifdef IPV6
1053 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
1054 < #endif
293 >  struct MaskItem *conf = NULL;
294 >  char non_ident[USERLEN + 1] = "~";
295  
296 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
296 >  if (IsGotId(client_p))
297    {
298 < #ifdef IPV6
299 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
300 <      continue;
301 <    if (ip_in->ss.ss_family == AF_INET6)
302 <    {
303 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
304 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
305 <    }
306 <    else
307 < #endif
308 <    {
309 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
1070 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
1071 <    }
1072 <    if (res == 0)
1073 <    {
1074 <      /* Found entry already in hash, return it. */
1075 <      return ptr;
1076 <    }
298 >    conf = find_address_conf(client_p->host, client_p->username,
299 >                             &client_p->connection->ip,
300 >                             client_p->connection->aftype,
301 >                             client_p->connection->password);
302 >  }
303 >  else
304 >  {
305 >    strlcpy(non_ident + 1, client_p->username, sizeof(non_ident) - 1);
306 >    conf = find_address_conf(client_p->host, non_ident,
307 >                             &client_p->connection->ip,
308 >                             client_p->connection->aftype,
309 >                             client_p->connection->password);
310    }
311  
312 <  if (ip_entries_count >= 2 * hard_fdlimit)
313 <    garbage_collect_ip_entries();
314 <
315 <  newptr = BlockHeapAlloc(ip_entry_heap);
316 <  ip_entries_count++;
317 <  memcpy(&newptr->ip, ip_in, sizeof(struct irc_ssaddr));
318 <
319 <  newptr->next = ip_hash_table[hash_index];
320 <  ip_hash_table[hash_index] = newptr;
312 >  if (conf)
313 >  {
314 >    if (IsConfClient(conf))
315 >    {
316 >      if (IsConfRedir(conf))
317 >      {
318 >        sendto_one_numeric(client_p, &me, RPL_REDIR,
319 >                           conf->name ? conf->name : "",
320 >                           conf->port);
321 >        return NOT_AUTHORIZED;
322 >      }
323  
324 <  return newptr;
325 < }
324 >      /* Thanks for spoof idea amm */
325 >      if (IsConfDoSpoofIp(conf))
326 >      {
327 >        if (IsConfSpoofNotice(conf))
328 >          sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE, "%s spoofing: %s as %s",
329 >                               client_p->name, client_p->host, conf->name);
330  
331 < /* remove_one_ip()
332 < *
1094 < * inputs        - unsigned long IP address value
1095 < * output        - NONE
1096 < * side effects  - The ip address given, is looked up in ip hash table
1097 < *                 and number of ip#'s for that ip decremented.
1098 < *                 If ip # count reaches 0 and has expired,
1099 < *                 the struct ip_entry is returned to the ip_entry_heap
1100 < */
1101 < void
1102 < remove_one_ip(struct irc_ssaddr *ip_in)
1103 < {
1104 <  struct ip_entry *ptr;
1105 <  struct ip_entry *last_ptr = NULL;
1106 <  int hash_index = hash_ip(ip_in), res;
1107 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
1108 < #ifdef IPV6
1109 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
1110 < #endif
331 >        strlcpy(client_p->host, conf->name, sizeof(client_p->host));
332 >      }
333  
334 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
1113 <  {
1114 < #ifdef IPV6
1115 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
1116 <      continue;
1117 <    if (ip_in->ss.ss_family == AF_INET6)
1118 <    {
1119 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
1120 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
1121 <    }
1122 <    else
1123 < #endif
1124 <    {
1125 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
1126 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
334 >      return attach_iline(client_p, conf);
335      }
336 <    if (res)
1129 <      continue;
1130 <    if (ptr->count > 0)
1131 <      ptr->count--;
1132 <    if (ptr->count == 0 &&
1133 <        (CurrentTime-ptr->last_attempt) >= ConfigFileEntry.throttle_time)
336 >    else if (IsConfKill(conf) || (ConfigGeneral.glines && IsConfGline(conf)))
337      {
338 <      if (last_ptr != NULL)
339 <        last_ptr->next = ptr->next;
1137 <      else
1138 <        ip_hash_table[hash_index] = ptr->next;
338 >      if (IsConfGline(conf))
339 >        sendto_one_notice(client_p, &me, ":*** G-lined");
340  
341 <      BlockHeapFree(ip_entry_heap, ptr);
342 <      ip_entries_count--;
1142 <      return;
341 >      sendto_one_notice(client_p, &me, ":*** Banned: %s", conf->reason);
342 >      return BANNED_CLIENT;
343      }
1144    last_ptr = ptr;
344    }
1146 }
345  
346 < /* hash_ip()
1149 < *
1150 < * input        - pointer to an irc_inaddr
1151 < * output       - integer value used as index into hash table
1152 < * side effects - hopefully, none
1153 < */
1154 < static int
1155 < hash_ip(struct irc_ssaddr *addr)
1156 < {
1157 <  if (addr->ss.ss_family == AF_INET)
1158 <  {
1159 <    struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
1160 <    int hash;
1161 <    uint32_t ip;
1162 <
1163 <    ip   = ntohl(v4->sin_addr.s_addr);
1164 <    hash = ((ip >> 12) + ip) & (IP_HASH_SIZE-1);
1165 <    return hash;
1166 <  }
1167 < #ifdef IPV6
1168 <  else
1169 <  {
1170 <    int hash;
1171 <    struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr;
1172 <    uint32_t *ip = (uint32_t *)&v6->sin6_addr.s6_addr;
1173 <
1174 <    hash  = ip[0] ^ ip[3];
1175 <    hash ^= hash >> 16;  
1176 <    hash ^= hash >> 8;  
1177 <    hash  = hash & (IP_HASH_SIZE - 1);
1178 <    return hash;
1179 <  }
1180 < #else
1181 <  return 0;
1182 < #endif
346 >  return NOT_AUTHORIZED;
347   }
348  
349 < /* count_ip_hash()
1186 < *
1187 < * inputs        - pointer to counter of number of ips hashed
1188 < *               - pointer to memory used for ip hash
1189 < * output        - returned via pointers input
1190 < * side effects  - NONE
349 > /* check_client()
350   *
351 < * number of hashed ip #'s is counted up, plus the amount of memory
352 < * used in the hash.
351 > * inputs       - pointer to client
352 > * output       - 0 = Success
353 > *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
354 > *                IRCD_SOCKET_ERROR (-2) = Bad socket.
355 > *                I_LINE_FULL       (-3) = I-line is full
356 > *                TOO_MANY          (-4) = Too many connections from hostname
357 > *                BANNED_CLIENT     (-5) = K-lined
358 > * side effects - Ordinary client access check.
359 > *                Look for conf lines which have the same
360 > *                status as the flags passed.
361   */
362 < void
363 < count_ip_hash(unsigned int *number_ips_stored, uint64_t *mem_ips_stored)
362 > int
363 > check_client(struct Client *source_p)
364   {
1198  struct ip_entry *ptr;
365    int i;
366  
367 <  *number_ips_stored = 0;
368 <  *mem_ips_stored    = 0;
367 >  if ((i = verify_access(source_p)))
368 >    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
369 >         source_p->name, source_p->sockhost);
370  
371 <  for (i = 0; i < IP_HASH_SIZE; i++)
371 >  switch (i)
372    {
373 <    for (ptr = ip_hash_table[i]; ptr; ptr = ptr->next)
374 <    {
375 <      *number_ips_stored += 1;
376 <      *mem_ips_stored += sizeof(struct ip_entry);
377 <    }
378 <  }
379 < }
373 >    case TOO_MANY:
374 >      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
375 >                           "Too many on IP for %s (%s).",
376 >                           get_client_name(source_p, SHOW_IP),
377 >                           source_p->sockhost);
378 >      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
379 >           get_client_name(source_p, SHOW_IP));
380 >      ++ServerStats.is_ref;
381 >      exit_client(source_p, "No more connections allowed on that IP");
382 >      break;
383  
384 < /* garbage_collect_ip_entries()
385 < *
386 < * input        - NONE
387 < * output       - NONE
388 < * side effects - free up all ip entries with no connections
389 < */
390 < static void
391 < garbage_collect_ip_entries(void)
392 < {
393 <  struct ip_entry *ptr;
1224 <  struct ip_entry *last_ptr;
1225 <  struct ip_entry *next_ptr;
1226 <  int i;
384 >    case I_LINE_FULL:
385 >      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
386 >                           "auth {} block is full for %s (%s).",
387 >                           get_client_name(source_p, SHOW_IP),
388 >                           source_p->sockhost);
389 >      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
390 >           get_client_name(source_p, SHOW_IP));
391 >      ++ServerStats.is_ref;
392 >      exit_client(source_p, "No more connections allowed in your connection class");
393 >      break;
394  
395 <  for (i = 0; i < IP_HASH_SIZE; i++)
396 <  {
397 <    last_ptr = NULL;
395 >    case NOT_AUTHORIZED:
396 >      /* jdc - lists server name & port connections are on */
397 >      /*       a purely cosmetical change */
398 >      sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
399 >                           "Unauthorized client connection from %s [%s] on [%s/%u].",
400 >                           get_client_name(source_p, SHOW_IP),
401 >                           source_p->sockhost,
402 >                           source_p->connection->listener->name,
403 >                           source_p->connection->listener->port);
404 >      ilog(LOG_TYPE_IRCD, "Unauthorized client connection from %s on [%s/%u].",
405 >           get_client_name(source_p, SHOW_IP),
406 >           source_p->connection->listener->name,
407 >           source_p->connection->listener->port);
408  
409 <    for (ptr = ip_hash_table[i]; ptr; ptr = next_ptr)
410 <    {
411 <      next_ptr = ptr->next;
409 >      ++ServerStats.is_ref;
410 >      exit_client(source_p, "You are not authorized to use this server");
411 >      break;
412  
413 <      if (ptr->count == 0 &&
414 <          (CurrentTime - ptr->last_attempt) >= ConfigFileEntry.throttle_time)
415 <      {
416 <        if (last_ptr != NULL)
417 <          last_ptr->next = ptr->next;
418 <        else
419 <          ip_hash_table[i] = ptr->next;
420 <        BlockHeapFree(ip_entry_heap, ptr);
1244 <        ip_entries_count--;
1245 <      }
1246 <      else
1247 <        last_ptr = ptr;
1248 <    }
413 >    case BANNED_CLIENT:
414 >      ++ServerStats.is_ref;
415 >      exit_client(source_p, "Banned");
416 >      break;
417 >
418 >    case 0:
419 >    default:
420 >      break;
421    }
422 +
423 +  return !(i < 0);
424   }
425  
426   /* detach_conf()
# Line 1257 | Line 431 | garbage_collect_ip_entries(void)
431   * side effects - Disassociate configuration from the client.
432   *                Also removes a class from the list if marked for deleting.
433   */
434 < int
435 < detach_conf(struct Client *client_p, ConfType type)
434 > void
435 > detach_conf(struct Client *client_p, enum maskitem_type type)
436   {
437 <  dlink_node *ptr, *next_ptr;
1264 <  struct ConfItem *conf;
1265 <  struct ClassItem *aclass;
1266 <  struct AccessItem *aconf;
1267 <  struct ConfItem *aclass_conf;
1268 <  struct MatchItem *match_item;
437 >  dlink_node *node = NULL, *node_next = NULL;
438  
439 <  DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->confs.head)
439 >  DLINK_FOREACH_SAFE(node, node_next, client_p->connection->confs.head)
440    {
441 <    conf = ptr->data;
1273 <
1274 <    if (type == CONF_TYPE || conf->type == type)
1275 <    {
1276 <      dlinkDelete(ptr, &client_p->localClient->confs);
1277 <      free_dlink_node(ptr);
1278 <
1279 <      switch (conf->type)
1280 <      {
1281 <      case CLIENT_TYPE:
1282 <      case OPER_TYPE:
1283 <      case SERVER_TYPE:
1284 <        aconf = map_to_conf(conf);
1285 <
1286 <        assert(aconf->clients > 0);
441 >    struct MaskItem *conf = node->data;
442  
443 <        if ((aclass_conf = aconf->class_ptr) != NULL)
444 <        {
445 <          aclass = map_to_conf(aclass_conf);
1291 <
1292 <          assert(aclass->curr_user_count > 0);
443 >    assert(conf->type & (CONF_CLIENT | CONF_OPER | CONF_SERVER));
444 >    assert(conf->ref_count > 0);
445 >    assert(conf->class->ref_count > 0);
446  
447 <          if (conf->type == CLIENT_TYPE)
448 <            remove_from_cidr_check(&client_p->localClient->ip, aclass);
1296 <          if (--aclass->curr_user_count == 0 && aclass->active == 0)
1297 <            delete_conf_item(aclass_conf);
1298 <        }
447 >    if (!(conf->type & type))
448 >      continue;
449  
450 <        if (--aconf->clients == 0 && IsConfIllegal(aconf))
451 <          delete_conf_item(conf);
450 >    dlinkDelete(node, &client_p->connection->confs);
451 >    free_dlink_node(node);
452  
453 <        break;
454 <      default:
1305 <        break;
1306 <      }
453 >    if (conf->type == CONF_CLIENT)
454 >      remove_from_cidr_check(&client_p->connection->ip, conf->class);
455  
456 <      if (type != CONF_TYPE)
457 <        return 0;
456 >    if (--conf->class->ref_count == 0 && conf->class->active == 0)
457 >    {
458 >      class_free(conf->class);
459 >      conf->class = NULL;
460      }
1311  }
461  
462 <  return -1;
462 >    if (--conf->ref_count == 0 && conf->active == 0)
463 >      conf_free(conf);
464 >  }
465   }
466  
467   /* attach_conf()
# Line 1324 | Line 475 | detach_conf(struct Client *client_p, Con
475   *                attachment if there was an old one...
476   */
477   int
478 < attach_conf(struct Client *client_p, struct ConfItem *conf)
478 > attach_conf(struct Client *client_p, struct MaskItem *conf)
479   {
480 <  struct AccessItem *aconf = map_to_conf(conf);
1330 <  struct ClassItem *aclass = map_to_conf(aconf->class_ptr);
1331 <
1332 <  if (dlinkFind(&client_p->localClient->confs, conf) != NULL)
480 >  if (dlinkFind(&client_p->connection->confs, conf))
481      return 1;
482  
483 <  if (IsConfIllegal(aconf)) /* TBV: can't happen */
484 <    return NOT_AUTHORIZED;
485 <
1338 <  if (conf->type == CLIENT_TYPE)
1339 <    if (cidr_limit_reached(IsConfExemptLimits(aconf),
1340 <                           &client_p->localClient->ip, aclass))
483 >  if (conf->type == CONF_CLIENT)
484 >    if (cidr_limit_reached(IsConfExemptLimits(conf),
485 >                           &client_p->connection->ip, conf->class))
486        return TOO_MANY;    /* Already at maximum allowed */
487  
488 <  aclass->curr_user_count++;
489 <  aconf->clients++;
488 >  conf->class->ref_count++;
489 >  conf->ref_count++;
490  
491 <  dlinkAdd(conf, make_dlink_node(), &client_p->localClient->confs);
491 >  dlinkAdd(conf, make_dlink_node(), &client_p->connection->confs);
492  
493    return 0;
494   }
# Line 1360 | Line 505 | int
505   attach_connect_block(struct Client *client_p, const char *name,
506                       const char *host)
507   {
508 <  dlink_node *ptr;
1364 <  struct ConfItem *conf;
1365 <  struct AccessItem *aconf;
1366 <
1367 <  assert(client_p != NULL);
1368 <  assert(host != NULL);
508 >  dlink_node *node = NULL;
509  
510 <  if (client_p == NULL || host == NULL)
1371 <    return 0;
510 >  assert(host);
511  
512 <  DLINK_FOREACH(ptr, server_items.head)
512 >  DLINK_FOREACH(node, server_items.head)
513    {
514 <    conf = ptr->data;
1376 <    aconf = map_to_conf(conf);
514 >    struct MaskItem *conf = node->data;
515  
516 <    if (match(conf->name, name) == 0 || match(aconf->host, host) == 0)
516 >    if (match(conf->name, name) || match(conf->host, host))
517        continue;
518  
519      attach_conf(client_p, conf);
# Line 1385 | Line 523 | attach_connect_block(struct Client *clie
523    return 0;
524   }
525  
1388 /* find_conf_exact()
1389 *
1390 * inputs       - type of ConfItem
1391 *              - pointer to name to find
1392 *              - pointer to username to find
1393 *              - pointer to host to find
1394 * output       - NULL or pointer to conf found
1395 * side effects - find a conf entry which matches the hostname
1396 *                and has the same name.
1397 */
1398 struct ConfItem *
1399 find_conf_exact(ConfType type, const char *name, const char *user,
1400                const char *host)
1401 {
1402  dlink_node *ptr;
1403  dlink_list *list_p;
1404  struct ConfItem *conf = NULL;
1405  struct AccessItem *aconf;
1406
1407  /* Only valid for OPER_TYPE and ...? */
1408  list_p = map_to_list(type);
1409
1410  DLINK_FOREACH(ptr, (*list_p).head)
1411  {
1412    conf = ptr->data;
1413
1414    if (conf->name == NULL)
1415      continue;
1416    aconf = map_to_conf(conf);
1417    if (aconf->host == NULL)
1418      continue;
1419    if (irccmp(conf->name, name) != 0)
1420      continue;
1421
1422    /*
1423    ** Accept if the *real* hostname (usually sockethost)
1424    ** socket host) matches *either* host or name field
1425    ** of the configuration.
1426    */
1427    if (!match(aconf->host, host) || !match(aconf->user, user))
1428      continue;
1429    if (type == OPER_TYPE)
1430    {
1431      struct ClassItem *aclass = map_to_conf(aconf->class_ptr);
1432
1433      if (aconf->clients >= aclass->max_total)
1434        continue;
1435    }
1436
1437    return conf;
1438  }
1439
1440  return NULL;
1441 }
1442
526   /* find_conf_name()
527   *
528   * inputs       - pointer to conf link list to search
# Line 1449 | Line 532 | find_conf_exact(ConfType type, const cha
532   * side effects - find a conf entry which matches the name
533   *                and has the given mask.
534   */
535 < struct ConfItem *
536 < find_conf_name(dlink_list *list, const char *name, ConfType type)
535 > struct MaskItem *
536 > find_conf_name(dlink_list *list, const char *name, enum maskitem_type type)
537   {
538 <  dlink_node *ptr;
1456 <  struct ConfItem* conf;
538 >  dlink_node *node = NULL;
539  
540 <  DLINK_FOREACH(ptr, list->head)
540 >  DLINK_FOREACH(node, list->head)
541    {
542 <    conf = ptr->data;
543 <    
542 >    struct MaskItem *conf = node->data;
543 >
544      if (conf->type == type)
545      {
546 <      if (conf->name && (irccmp(conf->name, name) == 0 ||
547 <                         match(conf->name, name)))
1466 <      return conf;
546 >      if (conf->name && !irccmp(conf->name, name))
547 >        return conf;
548      }
549    }
550  
551    return NULL;
552   }
553  
1473 /* map_to_list()
1474 *
1475 * inputs       - ConfType conf
1476 * output       - pointer to dlink_list to use
1477 * side effects - none
1478 */
1479 static dlink_list *
1480 map_to_list(ConfType type)
1481 {
1482  switch(type)
1483  {
1484  case RXLINE_TYPE:
1485    return(&rxconf_items);
1486    break;
1487  case XLINE_TYPE:
1488    return(&xconf_items);
1489    break;
1490  case ULINE_TYPE:
1491    return(&uconf_items);
1492    break;
1493  case NRESV_TYPE:
1494    return(&nresv_items);
1495    break;
1496  case OPER_TYPE:
1497    return(&oconf_items);
1498    break;
1499  case CLASS_TYPE:
1500    return(&class_items);
1501    break;
1502  case SERVER_TYPE:
1503    return(&server_items);
1504    break;
1505  case SERVICE_TYPE:
1506    return(&service_items);
1507    break;
1508  case CLUSTER_TYPE:
1509    return(&cluster_items);
1510    break;
1511  case CONF_TYPE:
1512  case GLINE_TYPE:
1513  case KLINE_TYPE:
1514  case DLINE_TYPE:
1515  case CRESV_TYPE:
1516  default:
1517    return NULL;
1518  }
1519 }
1520
554   /* find_matching_name_conf()
555   *
556   * inputs       - type of link list to look in
557   *              - pointer to name string to find
558   *              - pointer to user
559   *              - pointer to host
560 < *              - optional action to match on as well
561 < * output       - NULL or pointer to found struct MatchItem
560 > *              - optional flags to match on as well
561 > * output       - NULL or pointer to found struct MaskItem
562   * side effects - looks for a match on name field
563   */
564 < struct ConfItem *
565 < find_matching_name_conf(ConfType type, const char *name, const char *user,
566 <                        const char *host, int action)
567 < {
568 <  dlink_node *ptr=NULL;
569 <  struct ConfItem *conf=NULL;
570 <  struct AccessItem *aconf=NULL;
1538 <  struct MatchItem *match_item=NULL;
1539 <  dlink_list *list_p = map_to_list(type);
564 > struct MaskItem *
565 > find_matching_name_conf(enum maskitem_type type, const char *name, const char *user,
566 >                        const char *host, unsigned int flags)
567 > {
568 >  dlink_node *node = NULL;
569 >  dlink_list *list = map_to_list(type);
570 >  struct MaskItem *conf = NULL;
571  
572    switch (type)
573    {
574 < #ifdef HAVE_LIBPCRE
575 <  case RXLINE_TYPE:
1545 <      DLINK_FOREACH(ptr, list_p->head)
1546 <      {
1547 <        conf = ptr->data;
1548 <        assert(conf->regexpname);
1549 <
1550 <        if (!ircd_pcre_exec(conf->regexpname, name))
1551 <          return conf;
1552 <      }
1553 <      break;
1554 < #endif
1555 <  case SERVICE_TYPE:
1556 <    DLINK_FOREACH(ptr, list_p->head)
574 >  case CONF_SERVICE:
575 >    DLINK_FOREACH(node, list->head)
576      {
577 <      conf = ptr->data;
577 >      conf = node->data;
578  
579        if (EmptyString(conf->name))
580          continue;
581 <      if ((name != NULL) && !irccmp(name, conf->name))
581 >      if (name && !irccmp(name, conf->name))
582          return conf;
583      }
584      break;
585  
586 <  case XLINE_TYPE:
587 <  case ULINE_TYPE:
588 <  case NRESV_TYPE:
589 <    DLINK_FOREACH(ptr, list_p->head)
586 >  case CONF_XLINE:
587 >  case CONF_ULINE:
588 >  case CONF_NRESV:
589 >  case CONF_CRESV:
590 >    DLINK_FOREACH(node, list->head)
591      {
592 <      conf = ptr->data;
592 >      conf = node->data;
593  
1574      match_item = map_to_conf(conf);
594        if (EmptyString(conf->name))
595 <        continue;
596 <      if ((name != NULL) && match_esc(conf->name, name))
595 >        continue;
596 >      if (name && !match(conf->name, name))
597        {
598 <        if ((user == NULL && (host == NULL)))
599 <          return conf;
600 <        if ((match_item->action & action) != action)
598 >        if ((user == NULL && (host == NULL)))
599 >          return conf;
600 >        if ((conf->flags & flags) != flags)
601            continue;
602 <        if (EmptyString(match_item->user) || EmptyString(match_item->host))
603 <          return conf;
604 <        if (match(match_item->user, user) && match(match_item->host, host))
605 <          return conf;
602 >        if (EmptyString(conf->user) || EmptyString(conf->host))
603 >          return conf;
604 >        if (!match(conf->user, user) && !match(conf->host, host))
605 >          return conf;
606        }
607      }
608        break;
609  
610 <  case SERVER_TYPE:
611 <    DLINK_FOREACH(ptr, list_p->head)
610 >  case CONF_SERVER:
611 >    DLINK_FOREACH(node, list->head)
612      {
613 <      conf = ptr->data;
1595 <      aconf = map_to_conf(conf);
613 >      conf = node->data;
614  
615 <      if ((name != NULL) && match_esc(name, conf->name))
615 >      if (name && !match(name, conf->name))
616          return conf;
617 <      else if ((host != NULL) && match_esc(host, aconf->host))
617 >      if (host && !match(host, conf->host))
618          return conf;
619      }
620      break;
621 <  
621 >
622    default:
623      break;
624    }
# Line 1613 | Line 631 | find_matching_name_conf(ConfType type, c
631   *              - pointer to name string to find
632   *              - pointer to user
633   *              - pointer to host
634 < * output       - NULL or pointer to found struct MatchItem
634 > * output       - NULL or pointer to found struct MaskItem
635   * side effects - looks for an exact match on name field
636   */
637 < struct ConfItem *
638 < find_exact_name_conf(ConfType type, const struct Client *who, const char *name,
637 > struct MaskItem *
638 > find_exact_name_conf(enum maskitem_type type, const struct Client *who, const char *name,
639                       const char *user, const char *host)
640   {
641 <  dlink_node *ptr = NULL;
642 <  struct AccessItem *aconf;
643 <  struct ConfItem *conf;
1626 <  struct MatchItem *match_item;
1627 <  dlink_list *list_p;
1628 <
1629 <  list_p = map_to_list(type);
641 >  dlink_node *node = NULL;
642 >  dlink_list *list = map_to_list(type);
643 >  struct MaskItem *conf = NULL;
644  
645    switch(type)
646    {
647 <  case RXLINE_TYPE:
648 <  case XLINE_TYPE:
649 <  case ULINE_TYPE:
650 <  case NRESV_TYPE:
647 >  case CONF_XLINE:
648 >  case CONF_ULINE:
649 >  case CONF_NRESV:
650 >  case CONF_CRESV:
651  
652 <    DLINK_FOREACH(ptr, list_p->head)
652 >    DLINK_FOREACH(node, list->head)
653      {
654 <      conf = ptr->data;
655 <      match_item = (struct MatchItem *)map_to_conf(conf);
654 >      conf = node->data;
655 >
656        if (EmptyString(conf->name))
657 <        continue;
658 <    
657 >        continue;
658 >
659        if (irccmp(conf->name, name) == 0)
660        {
661 <        if ((user == NULL && (host == NULL)))
662 <          return (conf);
663 <        if (EmptyString(match_item->user) || EmptyString(match_item->host))
664 <          return (conf);
665 <        if (match(match_item->user, user) && match(match_item->host, host))
666 <          return (conf);
661 >        if ((user == NULL && (host == NULL)))
662 >          return conf;
663 >        if (EmptyString(conf->user) || EmptyString(conf->host))
664 >          return conf;
665 >        if (!match(conf->user, user) && !match(conf->host, host))
666 >          return conf;
667        }
668      }
669      break;
670  
671 <  case OPER_TYPE:
672 <    DLINK_FOREACH(ptr, list_p->head)
671 >  case CONF_OPER:
672 >    DLINK_FOREACH(node, list->head)
673      {
674 <      conf = ptr->data;
1661 <      aconf = map_to_conf(conf);
674 >      conf = node->data;
675  
676        if (EmptyString(conf->name))
677          continue;
# Line 1667 | Line 680 | find_exact_name_conf(ConfType type, cons
680        {
681          if (!who)
682            return conf;
683 <        if (EmptyString(aconf->user) || EmptyString(aconf->host))
684 <          return conf;
685 <        if (match(aconf->user, who->username))
683 >        if (EmptyString(conf->user) || EmptyString(conf->host))
684 >          return NULL;
685 >        if (!match(conf->user, who->username))
686          {
687 <          switch (aconf->type)
687 >          switch (conf->htype)
688            {
689              case HM_HOST:
690 <              if (match(aconf->host, who->host) || match(aconf->host, who->sockhost))
691 <                return conf;
690 >              if (!match(conf->host, who->host) || !match(conf->host, who->sockhost))
691 >                if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
692 >                  return conf;
693                break;
694              case HM_IPV4:
695 <              if (who->localClient->aftype == AF_INET)
696 <                if (match_ipv4(&who->localClient->ip, &aconf->addr, aconf->bits))
697 <                  return conf;
695 >              if (who->connection->aftype == AF_INET)
696 >                if (match_ipv4(&who->connection->ip, &conf->addr, conf->bits))
697 >                  if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
698 >                    return conf;
699                break;
1685 #ifdef IPV6
700              case HM_IPV6:
701 <              if (who->localClient->aftype == AF_INET6)
702 <                if (match_ipv6(&who->localClient->ip, &aconf->addr, aconf->bits))
703 <                  return conf;
701 >              if (who->connection->aftype == AF_INET6)
702 >                if (match_ipv6(&who->connection->ip, &conf->addr, conf->bits))
703 >                  if (!conf->class->max_total || conf->class->ref_count < conf->class->max_total)
704 >                    return conf;
705                break;
1691 #endif
706              default:
707                assert(0);
708            }
# Line 1698 | Line 712 | find_exact_name_conf(ConfType type, cons
712  
713      break;
714  
715 <  case SERVER_TYPE:
716 <    DLINK_FOREACH(ptr, list_p->head)
715 >  case CONF_SERVER:
716 >    DLINK_FOREACH(node, list->head)
717      {
718 <      conf = ptr->data;
719 <      aconf = (struct AccessItem *)map_to_conf(conf);
718 >      conf = node->data;
719 >
720        if (EmptyString(conf->name))
721 <        continue;
722 <    
721 >        continue;
722 >
723        if (name == NULL)
724        {
725 <        if (EmptyString(aconf->host))
726 <          continue;
727 <        if (irccmp(aconf->host, host) == 0)
728 <          return(conf);
725 >        if (EmptyString(conf->host))
726 >          continue;
727 >        if (irccmp(conf->host, host) == 0)
728 >          return conf;
729        }
730        else if (irccmp(conf->name, name) == 0)
731 <      {
1718 <          return (conf);
1719 <      }
731 >        return conf;
732      }
1721    break;
733  
1723  case CLASS_TYPE:
1724    DLINK_FOREACH(ptr, list_p->head)
1725    {
1726      conf = ptr->data;
1727      if (EmptyString(conf->name))
1728        continue;
1729    
1730      if (irccmp(conf->name, name) == 0)
1731        return (conf);
1732    }
734      break;
735  
736    default:
737      break;
738    }
1738  return(NULL);
1739 }
739  
740 < /* rehash()
1742 < *
1743 < * Actual REHASH service routine. Called with sig == 0 if it has been called
1744 < * as a result of an operator issuing this command, else assume it has been
1745 < * called as a result of the server receiving a HUP signal.
1746 < */
1747 < int
1748 < rehash(int sig)
1749 < {
1750 <  if (sig != 0)
1751 <    sendto_realops_flags(UMODE_ALL, L_ALL,
1752 <                         "Got signal SIGHUP, reloading ircd.conf file");
1753 <
1754 <  restart_resolver();
1755 <
1756 <  /* don't close listeners until we know we can go ahead with the rehash */
1757 <
1758 <  /* Check to see if we magically got(or lost) IPv6 support */
1759 <  check_can_use_v6();
1760 <
1761 <  read_conf_files(0);
1762 <
1763 <  if (ServerInfo.description != NULL)
1764 <    strlcpy(me.info, ServerInfo.description, sizeof(me.info));
1765 <
1766 <  load_conf_modules();
1767 <
1768 <  flush_deleted_I_P();
1769 <
1770 <  rehashed_klines = 1;
1771 < /* XXX */
1772 <  if (ConfigLoggingEntry.use_logging)
1773 <    log_close_all();
1774 <
1775 <  return(0);
740 >  return NULL;
741   }
742  
743   /* set_default_conf()
# Line 1790 | Line 755 | set_default_conf(void)
755    /* verify init_class() ran, this should be an unnecessary check
756     * but its not much work.
757     */
758 <  assert(class_default == (struct ConfItem *) class_items.tail->data);
758 >  assert(class_default == class_get_list()->tail->data);
759  
760   #ifdef HAVE_LIBCRYPTO
761 <  ServerInfo.rsa_private_key = NULL;
762 <  ServerInfo.rsa_private_key_file = NULL;
761 > #if OPENSSL_VERSION_NUMBER >= 0x009080FFL && !defined(OPENSSL_NO_ECDH)
762 >  {
763 >    EC_KEY *key = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
764 >
765 >    if (key)
766 >    {
767 >      SSL_CTX_set_tmp_ecdh(ConfigServerInfo.server_ctx, key);
768 >      EC_KEY_free(key);
769 >    }
770 >  }
771 >
772 >  SSL_CTX_set_options(ConfigServerInfo.server_ctx, SSL_OP_SINGLE_ECDH_USE);
773   #endif
774  
775 <  /* ServerInfo.name is not rehashable */
776 <  /* ServerInfo.name = ServerInfo.name; */
777 <  ServerInfo.description = NULL;
778 <  DupString(ServerInfo.network_name, NETWORK_NAME_DEFAULT);
779 <  DupString(ServerInfo.network_desc, NETWORK_DESC_DEFAULT);
1805 <
1806 <  memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
1807 <  ServerInfo.specific_ipv4_vhost = 0;
1808 <  memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
1809 <  ServerInfo.specific_ipv6_vhost = 0;
1810 <
1811 <  ServerInfo.max_clients = MAXCLIENTS_MAX;
1812 <
1813 <  ServerInfo.hub = 0;
1814 <  ServerInfo.dns_host.sin_addr.s_addr = 0;
1815 <  ServerInfo.dns_host.sin_port = 0;
1816 <  AdminInfo.name = NULL;
1817 <  AdminInfo.email = NULL;
1818 <  AdminInfo.description = NULL;
775 >  SSL_CTX_set_cipher_list(ConfigServerInfo.server_ctx, "EECDH+HIGH:EDH+HIGH:HIGH:!aNULL");
776 >  ConfigServerInfo.message_digest_algorithm = EVP_sha256();
777 >  ConfigServerInfo.rsa_private_key = NULL;
778 >  ConfigServerInfo.rsa_private_key_file = NULL;
779 > #endif
780  
781 <  log_close_all();
781 >  /* ConfigServerInfo.name is not rehashable */
782 >  /* ConfigServerInfo.name = ConfigServerInfo.name; */
783 >  ConfigServerInfo.description = NULL;
784 >  ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
785 >  ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
786 >
787 >  memset(&ConfigServerInfo.ip, 0, sizeof(ConfigServerInfo.ip));
788 >  ConfigServerInfo.specific_ipv4_vhost = 0;
789 >  memset(&ConfigServerInfo.ip6, 0, sizeof(ConfigServerInfo.ip6));
790 >  ConfigServerInfo.specific_ipv6_vhost = 0;
791 >
792 >  ConfigServerInfo.max_clients = MAXCLIENTS_MAX;
793 >  ConfigServerInfo.max_nick_length = 9;
794 >  ConfigServerInfo.max_topic_length = 80;
795 >  ConfigServerInfo.hub = 0;
796 >
797 >  ConfigAdminInfo.name = NULL;
798 >  ConfigAdminInfo.email = NULL;
799 >  ConfigAdminInfo.description = NULL;
800  
801 <  ConfigLoggingEntry.use_logging = 1;
801 >  log_del_all();
802 >
803 >  ConfigLog.use_logging = 1;
804  
805    ConfigChannel.disable_fake_channels = 0;
806 <  ConfigChannel.restrict_channels = 0;
807 <  ConfigChannel.disable_local_channels = 0;
808 <  ConfigChannel.use_invex = 1;
809 <  ConfigChannel.use_except = 1;
1829 <  ConfigChannel.use_knock = 1;
1830 <  ConfigChannel.knock_delay = 300;
806 >  ConfigChannel.invite_client_count = 10;
807 >  ConfigChannel.invite_client_time = 300;
808 >  ConfigChannel.knock_client_count = 1;
809 >  ConfigChannel.knock_client_time = 300;
810    ConfigChannel.knock_delay_channel = 60;
811 <  ConfigChannel.max_chans_per_user = 15;
1833 <  ConfigChannel.quiet_on_ban = 1;
811 >  ConfigChannel.max_channels = 25;
812    ConfigChannel.max_bans = 25;
813    ConfigChannel.default_split_user_count = 0;
814    ConfigChannel.default_split_server_count = 0;
# Line 1840 | Line 818 | set_default_conf(void)
818    ConfigServerHide.flatten_links = 0;
819    ConfigServerHide.links_delay = 300;
820    ConfigServerHide.hidden = 0;
1843  ConfigServerHide.disable_hidden = 0;
821    ConfigServerHide.hide_servers = 0;
822 <  DupString(ConfigServerHide.hidden_name, NETWORK_NAME_DEFAULT);
822 >  ConfigServerHide.hide_services = 0;
823 >  ConfigServerHide.hidden_name = xstrdup(NETWORK_NAME_DEFAULT);
824    ConfigServerHide.hide_server_ips = 0;
825 +  ConfigServerHide.disable_remote_commands = 0;
826  
827 <  
828 <  DupString(ConfigFileEntry.service_name, SERVICE_NAME_DEFAULT);
829 <  ConfigFileEntry.max_watch = WATCHSIZE_DEFAULT;
830 <  ConfigFileEntry.gline_min_cidr = 16;
831 <  ConfigFileEntry.gline_min_cidr6 = 48;
832 <  ConfigFileEntry.invisible_on_connect = 1;
833 <  ConfigFileEntry.burst_away = 0;
834 <  ConfigFileEntry.use_whois_actually = 1;
835 <  ConfigFileEntry.tkline_expire_notices = 1;
836 <  ConfigFileEntry.hide_spoof_ips = 1;
837 <  ConfigFileEntry.ignore_bogus_ts = 0;
838 <  ConfigFileEntry.disable_auth = 0;
839 <  ConfigFileEntry.disable_remote = 0;
840 <  ConfigFileEntry.kill_chase_time_limit = 90;
841 <  ConfigFileEntry.default_floodcount = 8;
842 <  ConfigFileEntry.failed_oper_notice = 1;
843 <  ConfigFileEntry.dots_in_ident = 0;
844 <  ConfigFileEntry.min_nonwildcard = 4;
845 <  ConfigFileEntry.min_nonwildcard_simple = 3;
846 <  ConfigFileEntry.max_accept = 20;
847 <  ConfigFileEntry.anti_nick_flood = 0;
848 <  ConfigFileEntry.max_nick_time = 20;
849 <  ConfigFileEntry.max_nick_changes = 5;
850 <  ConfigFileEntry.anti_spam_exit_message_time = 0;
851 <  ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
852 <  ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
853 <  ConfigFileEntry.kline_with_reason = 1;
854 <  ConfigFileEntry.kline_reason = NULL;
855 <  ConfigFileEntry.warn_no_nline = 1;
856 <  ConfigFileEntry.stats_o_oper_only = 0;
857 <  ConfigFileEntry.stats_k_oper_only = 1;  /* masked */
858 <  ConfigFileEntry.stats_i_oper_only = 1;  /* masked */
859 <  ConfigFileEntry.stats_P_oper_only = 0;
860 <  ConfigFileEntry.caller_id_wait = 60;
861 <  ConfigFileEntry.opers_bypass_callerid = 0;
862 <  ConfigFileEntry.pace_wait = 10;
863 <  ConfigFileEntry.pace_wait_simple = 1;
864 <  ConfigFileEntry.short_motd = 0;
865 <  ConfigFileEntry.ping_cookie = 0;
866 <  ConfigFileEntry.no_oper_flood = 0;
867 <  ConfigFileEntry.true_no_oper_flood = 0;
868 <  ConfigFileEntry.oper_pass_resv = 1;
869 <  ConfigFileEntry.glines = 0;
870 <  ConfigFileEntry.gline_time = 12 * 3600;
871 <  ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
872 <  ConfigFileEntry.client_flood = CLIENT_FLOOD_DEFAULT;
873 <  ConfigFileEntry.oper_only_umodes = UMODE_DEBUG;
1895 <  ConfigFileEntry.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE |
1896 <    UMODE_OPERWALL | UMODE_WALLOP;
1897 <  ConfigFileEntry.use_egd = 0;
1898 <  ConfigFileEntry.egdpool_path = NULL;
1899 <  ConfigFileEntry.throttle_time = 10;
827 >  ConfigGeneral.away_count = 2;
828 >  ConfigGeneral.away_time = 10;
829 >  ConfigGeneral.max_watch = WATCHSIZE_DEFAULT;
830 >  ConfigGeneral.cycle_on_host_change = 1;
831 >  ConfigGeneral.glines = 0;
832 >  ConfigGeneral.gline_time = 12 * 3600;
833 >  ConfigGeneral.gline_request_time = GLINE_REQUEST_EXPIRE_DEFAULT;
834 >  ConfigGeneral.gline_min_cidr = 16;
835 >  ConfigGeneral.gline_min_cidr6 = 48;
836 >  ConfigGeneral.invisible_on_connect = 1;
837 >  ConfigGeneral.tkline_expire_notices = 1;
838 >  ConfigGeneral.ignore_bogus_ts = 0;
839 >  ConfigGeneral.disable_auth = 0;
840 >  ConfigGeneral.kill_chase_time_limit = 90;
841 >  ConfigGeneral.default_floodcount = 8;
842 >  ConfigGeneral.failed_oper_notice = 1;
843 >  ConfigGeneral.dots_in_ident = 0;
844 >  ConfigGeneral.min_nonwildcard = 4;
845 >  ConfigGeneral.min_nonwildcard_simple = 3;
846 >  ConfigGeneral.max_accept = 20;
847 >  ConfigGeneral.anti_nick_flood = 0;
848 >  ConfigGeneral.max_nick_time = 20;
849 >  ConfigGeneral.max_nick_changes = 5;
850 >  ConfigGeneral.anti_spam_exit_message_time = 0;
851 >  ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
852 >  ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT;
853 >  ConfigGeneral.warn_no_connect_block = 1;
854 >  ConfigGeneral.stats_e_disabled = 0;
855 >  ConfigGeneral.stats_i_oper_only = 1;  /* 1 = masked */
856 >  ConfigGeneral.stats_k_oper_only = 1;  /* 1 = masked */
857 >  ConfigGeneral.stats_o_oper_only = 1;
858 >  ConfigGeneral.stats_m_oper_only = 1;
859 >  ConfigGeneral.stats_P_oper_only = 0;
860 >  ConfigGeneral.stats_u_oper_only = 0;
861 >  ConfigGeneral.caller_id_wait = 60;
862 >  ConfigGeneral.opers_bypass_callerid = 0;
863 >  ConfigGeneral.pace_wait = 10;
864 >  ConfigGeneral.pace_wait_simple = 1;
865 >  ConfigGeneral.short_motd = 0;
866 >  ConfigGeneral.ping_cookie = 0;
867 >  ConfigGeneral.no_oper_flood = 0;
868 >  ConfigGeneral.oper_pass_resv = 1;
869 >  ConfigGeneral.max_targets = MAX_TARGETS_DEFAULT;
870 >  ConfigGeneral.oper_only_umodes = UMODE_DEBUG;
871 >  ConfigGeneral.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE | UMODE_WALLOP;
872 >  ConfigGeneral.throttle_count = 1;
873 >  ConfigGeneral.throttle_time = 1;
874   }
875  
876   static void
877   validate_conf(void)
878   {
879 <  if (ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
880 <    ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
1907 <
1908 <  if (ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
1909 <    ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
879 >  if (ConfigGeneral.ts_warn_delta < TS_WARN_DELTA_MIN)
880 >    ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
881  
882 <  if (ServerInfo.network_name == NULL)
883 <    DupString(ServerInfo.network_name,NETWORK_NAME_DEFAULT);
882 >  if (ConfigGeneral.ts_max_delta < TS_MAX_DELTA_MIN)
883 >    ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT;
884  
885 <  if (ServerInfo.network_desc == NULL)
886 <    DupString(ServerInfo.network_desc,NETWORK_DESC_DEFAULT);
885 >  if (EmptyString(ConfigServerInfo.network_name))
886 >    ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
887  
888 <  if (ConfigFileEntry.service_name == NULL)
889 <    DupString(ConfigFileEntry.service_name, SERVICE_NAME_DEFAULT);
888 >  if (EmptyString(ConfigServerInfo.network_desc))
889 >    ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
890  
891 <  if ((ConfigFileEntry.client_flood < CLIENT_FLOOD_MIN) ||
1921 <      (ConfigFileEntry.client_flood > CLIENT_FLOOD_MAX))
1922 <    ConfigFileEntry.client_flood = CLIENT_FLOOD_MAX;
1923 <
1924 <  ConfigFileEntry.max_watch = IRCD_MAX(ConfigFileEntry.max_watch, WATCHSIZE_MIN);
891 >  ConfigGeneral.max_watch = IRCD_MAX(ConfigGeneral.max_watch, WATCHSIZE_MIN);
892   }
893  
894 < /* read_conf()
894 > /* read_conf()
895   *
896   * inputs       - file descriptor pointing to config file to use
897   * output       - None
# Line 1935 | Line 902 | read_conf(FILE *file)
902   {
903    lineno = 0;
904  
905 <  set_default_conf(); /* Set default values prior to conf parsing */
905 >  set_default_conf();  /* Set default values prior to conf parsing */
906    conf_parser_ctx.pass = 1;
907 <  yyparse();          /* pick up the classes first */
907 >  yyparse();  /* Pick up the classes first */
908  
909    rewind(file);
910  
911    conf_parser_ctx.pass = 2;
912 <  yyparse();          /* Load the values from the conf */
913 <  validate_conf();    /* Check to make sure some values are still okay. */
914 <                      /* Some global values are also loaded here. */
915 <  check_class();      /* Make sure classes are valid */
912 >  yyparse();  /* Load the values from the conf */
913 >  validate_conf();  /* Check to make sure some values are still okay. */
914 >                    /* Some global values are also loaded here. */
915 >  class_delete_marked();  /* Delete unused classes that are marked for deletion */
916 > }
917 >
918 > /* conf_rehash()
919 > *
920 > * Actual REHASH service routine. Called with sig == 0 if it has been called
921 > * as a result of an operator issuing this command, else assume it has been
922 > * called as a result of the server receiving a HUP signal.
923 > */
924 > int
925 > conf_rehash(int sig)
926 > {
927 >  if (sig)
928 >    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
929 >                         "Got signal SIGHUP, reloading configuration file(s)");
930 >
931 >  restart_resolver();
932 >
933 >  /* don't close listeners until we know we can go ahead with the rehash */
934 >
935 >  read_conf_files(0);
936 >
937 >  load_conf_modules();
938 >  check_conf_klines();
939 >
940 >  return 0;
941   }
942  
943   /* lookup_confhost()
# Line 1953 | Line 945 | read_conf(FILE *file)
945   * start DNS lookups of all hostnames in the conf
946   * line and convert an IP addresses in a.b.c.d number for to IP#s.
947   */
948 < static void
949 < lookup_confhost(struct ConfItem *conf)
948 > void
949 > lookup_confhost(struct MaskItem *conf)
950   {
1959  struct AccessItem *aconf;
951    struct addrinfo hints, *res;
952  
953 <  aconf = map_to_conf(conf);
954 <
1964 <  if (EmptyString(aconf->host) ||
1965 <      EmptyString(aconf->user))
1966 <  {
1967 <    ilog(LOG_TYPE_IRCD, "Host/server name error: (%s) (%s)",
1968 <         aconf->host, conf->name);
1969 <    return;
1970 <  }
1971 <
1972 <  if (strchr(aconf->host, '*') ||
1973 <      strchr(aconf->host, '?'))
1974 <    return;
1975 <
1976 <  /* Do name lookup now on hostnames given and store the
953 >  /*
954 >   * Do name lookup now on hostnames given and store the
955     * ip numbers in conf structure.
956     */
957    memset(&hints, 0, sizeof(hints));
# Line 1984 | Line 962 | lookup_confhost(struct ConfItem *conf)
962    /* Get us ready for a bind() and don't bother doing dns lookup */
963    hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
964  
965 <  if (getaddrinfo(aconf->host, NULL, &hints, &res))
965 >  if (getaddrinfo(conf->host, NULL, &hints, &res))
966    {
967 <    conf_dns_lookup(aconf);
967 >    conf_dns_lookup(conf);
968      return;
969    }
970  
971 <  assert(res != NULL);
971 >  assert(res);
972 >
973 >  memcpy(&conf->addr, res->ai_addr, res->ai_addrlen);
974 >  conf->addr.ss_len = res->ai_addrlen;
975 >  conf->addr.ss.ss_family = res->ai_family;
976  
1995  memcpy(&aconf->addr, res->ai_addr, res->ai_addrlen);
1996  aconf->addr.ss_len = res->ai_addrlen;
1997  aconf->addr.ss.ss_family = res->ai_family;
977    freeaddrinfo(res);
978   }
979  
# Line 2008 | Line 987 | lookup_confhost(struct ConfItem *conf)
987   int
988   conf_connect_allowed(struct irc_ssaddr *addr, int aftype)
989   {
990 <  struct ip_entry *ip_found;
991 <  struct AccessItem *aconf = find_dline_conf(addr, aftype);
990 >  struct ip_entry *ip_found = NULL;
991 >  struct MaskItem *const conf = find_dline_conf(addr, aftype);
992  
993    /* DLINE exempt also gets you out of static limits/pacing... */
994 <  if (aconf && (aconf->status & CONF_EXEMPTDLINE))
994 >  if (conf && (conf->type == CONF_EXEMPT))
995      return 0;
996  
997 <  if (aconf != NULL)
997 >  if (conf)
998      return BANNED_CLIENT;
999  
1000 <  ip_found = find_or_add_ip(addr);
1000 >  ip_found = ipcache_find_or_add_address(addr);
1001  
1002 <  if ((CurrentTime - ip_found->last_attempt) <
2024 <      ConfigFileEntry.throttle_time)
1002 >  if ((CurrentTime - ip_found->last_attempt) < ConfigGeneral.throttle_time)
1003    {
1004 <    ip_found->last_attempt = CurrentTime;
1005 <    return TOO_FAST;
1004 >    if (ip_found->connection_count >= ConfigGeneral.throttle_count)
1005 >      return TOO_FAST;
1006 >
1007 >    ++ip_found->connection_count;
1008    }
1009 +  else
1010 +    ip_found->connection_count = 1;
1011  
1012    ip_found->last_attempt = CurrentTime;
1013    return 0;
1014   }
1015  
1016 < static struct AccessItem *
2035 < find_regexp_kline(const char *uhi[])
2036 < {
2037 < #ifdef HAVE_LIBPCRE
2038 <  const dlink_node *ptr = NULL;
2039 <
2040 <  DLINK_FOREACH(ptr, rkconf_items.head)
2041 <  {
2042 <    struct AccessItem *aptr = map_to_conf(ptr->data);
2043 <
2044 <    assert(aptr->regexuser);
2045 <    assert(aptr->regexhost);
2046 <
2047 <    if (!ircd_pcre_exec(aptr->regexuser, uhi[0]) &&
2048 <        (!ircd_pcre_exec(aptr->regexhost, uhi[1]) ||
2049 <         !ircd_pcre_exec(aptr->regexhost, uhi[2])))
2050 <      return aptr;
2051 <  }
2052 < #endif
2053 <  return NULL;
2054 < }
2055 <
2056 < /* find_kill()
1016 > /* expire_tklines()
1017   *
1018 < * inputs       - pointer to client structure
1019 < * output       - pointer to struct AccessItem if found
1020 < * side effects - See if this user is klined already,
2061 < *                and if so, return struct AccessItem pointer
1018 > * inputs       - tkline list pointer
1019 > * output       - NONE
1020 > * side effects - expire tklines
1021   */
1022 < struct AccessItem *
1023 < find_kill(struct Client *client_p)
2065 < {
2066 <  struct AccessItem *aconf = NULL;
2067 <  const char *uhi[3];
2068 <
2069 <  uhi[0] = client_p->username;
2070 <  uhi[1] = client_p->host;
2071 <  uhi[2] = client_p->sockhost;
2072 <
2073 <  assert(client_p != NULL);
2074 <
2075 <  aconf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
2076 <                               CONF_KLINE, client_p->localClient->aftype,
2077 <                               client_p->username, NULL, 1);
2078 <  if (aconf == NULL)
2079 <    aconf = find_regexp_kline(uhi);
2080 <
2081 <  return aconf;
2082 < }
2083 <
2084 < struct AccessItem *
2085 < find_gline(struct Client *client_p)
1022 > static void
1023 > expire_tklines(dlink_list *list)
1024   {
1025 <  struct AccessItem *aconf;
1025 >  dlink_node *node = NULL, *node_next = NULL;
1026  
1027 <  assert(client_p != NULL);
1027 >  DLINK_FOREACH_SAFE(node, node_next, list->head)
1028 >  {
1029 >    struct MaskItem *conf = node->data;
1030  
1031 <  aconf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
1032 <                               CONF_GLINE, client_p->localClient->aftype,
2093 <                               client_p->username, NULL, 1);
2094 <  return aconf;
2095 < }
1031 >    if (!conf->until || conf->until > CurrentTime)
1032 >      continue;
1033  
1034 < /* add_temp_line()
1035 < *
1036 < * inputs        - pointer to struct ConfItem
1037 < * output        - none
1038 < * Side effects  - links in given struct ConfItem into
1039 < *                 temporary *line link list
1040 < */
1041 < void
1042 < add_temp_line(struct ConfItem *conf)
1043 < {
1044 <  if (conf->type == XLINE_TYPE)
1045 <  {
1046 <    conf->flags |= CONF_FLAGS_TEMPORARY;
1047 <    dlinkAdd(conf, make_dlink_node(), &temporary_xlines);
2111 <  }
2112 <  else if ((conf->type == NRESV_TYPE) || (conf->type == CRESV_TYPE))
2113 <  {
2114 <    conf->flags |= CONF_FLAGS_TEMPORARY;
2115 <    dlinkAdd(conf, make_dlink_node(), &temporary_resv);
1034 >    if (conf->type == CONF_XLINE)
1035 >    {
1036 >      if (ConfigGeneral.tkline_expire_notices)
1037 >        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1038 >                               "Temporary X-line for [%s] expired", conf->name);
1039 >      conf_free(conf);
1040 >    }
1041 >    else if (conf->type == CONF_NRESV || conf->type == CONF_CRESV)
1042 >    {
1043 >      if (ConfigGeneral.tkline_expire_notices)
1044 >        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1045 >                               "Temporary RESV for [%s] expired", conf->name);
1046 >      conf_free(conf);
1047 >    }
1048    }
1049   }
1050  
# Line 2124 | Line 1056 | add_temp_line(struct ConfItem *conf)
1056   *                This is an event started off in ircd.c
1057   */
1058   void
1059 < cleanup_tklines(void *notused)
1059 > cleanup_tklines(void *unused)
1060   {
1061    hostmask_expire_temporary();
1062 <  expire_tklines(&temporary_xlines);
1063 <  expire_tklines(&temporary_resv);
1064 < }
2133 <
2134 < /* expire_tklines()
2135 < *
2136 < * inputs       - tkline list pointer
2137 < * output       - NONE
2138 < * side effects - expire tklines
2139 < */
2140 < static void
2141 < expire_tklines(dlink_list *tklist)
2142 < {
2143 <  dlink_node *ptr;
2144 <  dlink_node *next_ptr;
2145 <  struct ConfItem *conf;
2146 <  struct MatchItem *xconf;
2147 <  struct MatchItem *nconf;
2148 <  struct ResvChannel *cconf;
2149 <
2150 <  DLINK_FOREACH_SAFE(ptr, next_ptr, tklist->head)
2151 <  {
2152 <    conf = ptr->data;
2153 <
2154 <    if (conf->type == XLINE_TYPE)
2155 <    {
2156 <      xconf = (struct MatchItem *)map_to_conf(conf);
2157 <      if (xconf->hold <= CurrentTime)
2158 <      {
2159 <        if (ConfigFileEntry.tkline_expire_notices)
2160 <          sendto_realops_flags(UMODE_ALL, L_ALL,
2161 <                               "Temporary X-line for [%s] sexpired", conf->name);
2162 <        dlinkDelete(ptr, tklist);
2163 <        free_dlink_node(ptr);
2164 <        delete_conf_item(conf);
2165 <      }
2166 <    }
2167 <    else if (conf->type == NRESV_TYPE)
2168 <    {
2169 <      nconf = (struct MatchItem *)map_to_conf(conf);
2170 <      if (nconf->hold <= CurrentTime)
2171 <      {
2172 <        if (ConfigFileEntry.tkline_expire_notices)
2173 <          sendto_realops_flags(UMODE_ALL, L_ALL,
2174 <                               "Temporary RESV for [%s] expired", conf->name);
2175 <        dlinkDelete(ptr, tklist);
2176 <        free_dlink_node(ptr);
2177 <        delete_conf_item(conf);
2178 <      }
2179 <    }
2180 <    else if (conf->type == CRESV_TYPE)
2181 <    {
2182 <      cconf = (struct ResvChannel *)map_to_conf(conf);
2183 <      if (cconf->hold <= CurrentTime)
2184 <      {
2185 <        if (ConfigFileEntry.tkline_expire_notices)
2186 <          sendto_realops_flags(UMODE_ALL, L_ALL,
2187 <                               "Temporary RESV for [%s] expired", cconf->name);
2188 <        delete_channel_resv(cconf);
2189 <      }
2190 <    }
2191 <  }
1062 >  expire_tklines(&xconf_items);
1063 >  expire_tklines(&nresv_items);
1064 >  expire_tklines(&cresv_items);
1065   }
1066  
1067   /* oper_privs_as_string()
# Line 2199 | Line 1072 | expire_tklines(dlink_list *tklist)
1072   */
1073   static const struct oper_privs
1074   {
1075 <  const unsigned int oprivs;
1075 >  const unsigned int flag;
1076    const unsigned char c;
1077   } flag_list[] = {
1078 <  { OPER_FLAG_ADMIN,       'A' },
1079 <  { OPER_FLAG_REMOTEBAN,   'B' },
1080 <  { OPER_FLAG_DIE,         'D' },
1081 <  { OPER_FLAG_GLINE,       'G' },
1082 <  { OPER_FLAG_REHASH,      'H' },
1083 <  { OPER_FLAG_K,           'K' },
1084 <  { OPER_FLAG_OPERWALL,    'L' },
1085 <  { OPER_FLAG_N,           'N' },
1086 <  { OPER_FLAG_GLOBAL_KILL, 'O' },
1087 <  { OPER_FLAG_REMOTE,      'R' },
1088 <  { OPER_FLAG_OPER_SPY,    'S' },
1089 <  { OPER_FLAG_UNKLINE,     'U' },
1090 <  { OPER_FLAG_X,           'X' },
1078 >  { OPER_FLAG_ADMIN,          'A' },
1079 >  { OPER_FLAG_REMOTEBAN,      'B' },
1080 >  { OPER_FLAG_DIE,            'D' },
1081 >  { OPER_FLAG_GLINE,          'G' },
1082 >  { OPER_FLAG_REHASH,         'H' },
1083 >  { OPER_FLAG_KLINE,          'K' },
1084 >  { OPER_FLAG_KILL,           'N' },
1085 >  { OPER_FLAG_KILL_REMOTE,    'O' },
1086 >  { OPER_FLAG_CONNECT,        'P' },
1087 >  { OPER_FLAG_CONNECT_REMOTE, 'Q' },
1088 >  { OPER_FLAG_SQUIT,          'R' },
1089 >  { OPER_FLAG_SQUIT_REMOTE,   'S' },
1090 >  { OPER_FLAG_UNKLINE,        'U' },
1091 >  { OPER_FLAG_XLINE,          'X' },
1092    { 0, '\0' }
1093   };
1094  
1095   char *
1096   oper_privs_as_string(const unsigned int port)
1097   {
1098 <  static char privs_out[16];
1098 >  static char privs_out[IRCD_BUFSIZE];
1099    char *privs_ptr = privs_out;
2226  unsigned int i = 0;
1100  
1101 <  for (; flag_list[i].oprivs; ++i)
1101 >  for (const struct oper_privs *opriv = flag_list; opriv->flag; ++opriv)
1102    {
1103 <    if (port & flag_list[i].oprivs)
1104 <      *privs_ptr++ = flag_list[i].c;
1103 >    if (port & opriv->flag)
1104 >      *privs_ptr++ = opriv->c;
1105      else
1106 <      *privs_ptr++ = ToLowerTab[flag_list[i].c];
1106 >      *privs_ptr++ = ToLower(opriv->c);
1107    }
1108  
1109    *privs_ptr = '\0';
# Line 2239 | Line 1112 | oper_privs_as_string(const unsigned int
1112   }
1113  
1114   /*
1115 < * Input: A client to find the active oper{} name for.
1115 > * Input: A client to find the active operator {} name for.
1116   * Output: The nick!user@host{oper} of the oper.
1117   *         "oper" is server name for remote opers
1118   * Side effects: None.
# Line 2247 | Line 1120 | oper_privs_as_string(const unsigned int
1120   const char *
1121   get_oper_name(const struct Client *client_p)
1122   {
2250  dlink_node *cnode = NULL;
1123    /* +5 for !,@,{,} and null */
1124    static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1125  
1126 +  if (IsServer(client_p))
1127 +    return client_p->name;
1128 +
1129    if (MyConnect(client_p))
1130    {
1131 <    if ((cnode = client_p->localClient->confs.head))
1131 >    const dlink_node *const node = client_p->connection->confs.head;
1132 >
1133 >    if (node)
1134      {
1135 <      struct ConfItem *conf = cnode->data;
2259 <      const struct AccessItem *aconf = map_to_conf(conf);
1135 >      const struct MaskItem *const conf = node->data;
1136  
1137 <      if (IsConfOperator(aconf))
1137 >      if (conf->type == CONF_OPER)
1138        {
1139 <        snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1139 >        snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1140                   client_p->username, client_p->host, conf->name);
1141 <        return buffer;
1141 >        return buffer;
1142        }
1143      }
1144  
1145 <    /* Probably should assert here for now. If there is an oper out there
1146 <     * with no oper{} conf attached, it would be good for us to know...
1145 >    /*
1146 >     * Probably should assert here for now. If there is an oper out there
1147 >     * with no operator {} conf attached, it would be good for us to know...
1148       */
1149 <    assert(0); /* Oper without oper conf! */
1149 >    assert(0);  /* Oper without oper conf! */
1150    }
1151  
1152    snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1153 <           client_p->username, client_p->host, client_p->servptr->name);
1153 >           client_p->username, client_p->host, client_p->servptr->name);
1154    return buffer;
1155   }
1156  
2280 /* read_conf_files()
2281 *
2282 * inputs       - cold start YES or NO
2283 * output       - none
2284 * side effects - read all conf files needed, ircd.conf kline.conf etc.
2285 */
2286 void
2287 read_conf_files(int cold)
2288 {
2289  const char *filename;
2290  char chanmodes[32];
2291  char chanlimit[32];
2292
2293  conf_parser_ctx.boot = cold;
2294  filename = get_conf_name(CONF_TYPE);
2295
2296  /* We need to know the initial filename for the yyerror() to report
2297     FIXME: The full path is in conffilenamebuf first time since we
2298             dont know anything else
2299
2300     - Gozem 2002-07-21
2301  */
2302  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
2303
2304  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
2305  {
2306    if (cold)
2307    {
2308      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
2309           filename, strerror(errno));
2310      exit(-1);
2311    }
2312    else
2313    {
2314      sendto_realops_flags(UMODE_ALL, L_ALL,
2315                           "Unable to read configuration file '%s': %s",
2316                           filename, strerror(errno));
2317      return;
2318    }
2319  }
2320
2321  if (!cold)
2322    clear_out_old_conf();
2323
2324  read_conf(conf_parser_ctx.conf_file);
2325  fclose(conf_parser_ctx.conf_file);
2326
2327  add_isupport("NETWORK", ServerInfo.network_name, -1);
2328  snprintf(chanmodes, sizeof(chanmodes), "b%s%s:%d",
2329           ConfigChannel.use_except ? "e" : "",
2330           ConfigChannel.use_invex ? "I" : "", ConfigChannel.max_bans);
2331  add_isupport("MAXLIST", chanmodes, -1);
2332  add_isupport("MAXTARGETS", NULL, ConfigFileEntry.max_targets);
2333
2334  if (ConfigChannel.disable_local_channels)
2335    add_isupport("CHANTYPES", "#", -1);
2336  else
2337    add_isupport("CHANTYPES", "#&", -1);
2338
2339  snprintf(chanlimit, sizeof(chanlimit), "%s:%d",
2340           ConfigChannel.disable_local_channels ? "#" : "#&",
2341           ConfigChannel.max_chans_per_user);
2342  add_isupport("CHANLIMIT", chanlimit, -1);
2343  snprintf(chanmodes, sizeof(chanmodes), "%s%s%s",
2344           ConfigChannel.use_except ? "e" : "",
2345           ConfigChannel.use_invex ? "I" : "", "b,k,l,imnprstORS");
2346  add_isupport("CHANNELLEN", NULL, LOCAL_CHANNELLEN);
2347
2348  if (ConfigChannel.use_except)
2349    add_isupport("EXCEPTS", "e", -1);
2350  if (ConfigChannel.use_invex)
2351    add_isupport("INVEX", "I", -1);
2352  add_isupport("CHANMODES", chanmodes, -1);
2353
2354  /*
2355   * message_locale may have changed.  rebuild isupport since it relies
2356   * on strlen(form_str(RPL_ISUPPORT))
2357   */
2358  rebuild_isupport_message_line();
2359
2360 #ifdef HAVE_LIBPCRE
2361  parse_conf_file(RKLINE_TYPE, cold);
2362  parse_conf_file(RXLINE_TYPE, cold);
2363 #endif
2364  parse_conf_file(KLINE_TYPE, cold);
2365  parse_conf_file(DLINE_TYPE, cold);
2366  parse_conf_file(XLINE_TYPE, cold);
2367  parse_conf_file(NRESV_TYPE, cold);
2368  parse_conf_file(CRESV_TYPE, cold);
2369 }
2370
2371 /* parse_conf_file()
2372 *
2373 * inputs       - type of conf file to parse
2374 * output       - none
2375 * side effects - conf file for givenconf type is opened and read then parsed
2376 */
2377 static void
2378 parse_conf_file(int type, int cold)
2379 {
2380  FILE *file = NULL;
2381  const char *filename = get_conf_name(type);
2382
2383  if ((file = fopen(filename, "r")) == NULL)
2384  {
2385    if (cold)
2386      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
2387           filename, strerror(errno));
2388    else
2389      sendto_realops_flags(UMODE_ALL, L_ALL,
2390                    "Unable to read configuration file '%s': %s",
2391                           filename, strerror(errno));
2392  }
2393  else
2394  {
2395    parse_csv_file(file, type);
2396    fclose(file);
2397  }
2398 }
2399
1157   /* clear_out_old_conf()
1158   *
1159   * inputs       - none
# Line 2406 | Line 1163 | parse_conf_file(int type, int cold)
1163   static void
1164   clear_out_old_conf(void)
1165   {
1166 <  dlink_node *ptr = NULL, *next_ptr = NULL;
2410 <  struct ConfItem *conf;
2411 <  struct AccessItem *aconf;
2412 <  struct ClassItem *cltmp;
2413 <  struct MatchItem *match_item;
1166 >  dlink_node *node = NULL, *node_next = NULL;
1167    dlink_list *free_items [] = {
1168      &server_items,   &oconf_items,
1169 <     &uconf_items,   &xconf_items, &rxconf_items, &rkconf_items,
1170 <     &nresv_items, &cluster_items,  &gdeny_items, &service_items, NULL
1169 >     &uconf_items,   &xconf_items,
1170 >     &nresv_items, &cluster_items,  &service_items, &cresv_items, NULL
1171    };
1172  
1173    dlink_list ** iterator = free_items; /* C is dumb */
# Line 2422 | Line 1175 | clear_out_old_conf(void)
1175    /* We only need to free anything allocated by yyparse() here.
1176     * Resetting structs, etc, is taken care of by set_default_conf().
1177     */
1178 <  
1179 <  for (; *iterator != NULL; iterator++)
1178 >
1179 >  for (; *iterator; iterator++)
1180    {
1181 <    DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
1181 >    DLINK_FOREACH_SAFE(node, node_next, (*iterator)->head)
1182      {
1183 <      conf = ptr->data;
2431 <      /* XXX This is less than pretty */
2432 <      if (conf->type == SERVER_TYPE)
2433 <      {
2434 <        aconf = map_to_conf(conf);
1183 >      struct MaskItem *conf = node->data;
1184  
1185 <        if (aconf->clients != 0)
1186 <        {
2438 <          SetConfIllegal(aconf);
2439 <          dlinkDelete(&conf->node, &server_items);
2440 <        }
2441 <        else
2442 <        {
2443 <          delete_conf_item(conf);
2444 <        }
2445 <      }
2446 <      else if (conf->type == OPER_TYPE)
2447 <      {
2448 <        aconf = map_to_conf(conf);
1185 >      conf->active = 0;
1186 >      dlinkDelete(&conf->node, *iterator);
1187  
1188 <        if (aconf->clients != 0)
1189 <        {
2452 <          SetConfIllegal(aconf);
2453 <          dlinkDelete(&conf->node, &oconf_items);
2454 <        }
2455 <        else
2456 <        {
2457 <          delete_conf_item(conf);
2458 <        }
2459 <      }
2460 <      else if (conf->type == XLINE_TYPE  ||
2461 <               conf->type == RXLINE_TYPE ||
2462 <               conf->type == RKLINE_TYPE)
1188 >      /* XXX This is less than pretty */
1189 >      if (conf->type == CONF_SERVER || conf->type == CONF_OPER)
1190        {
1191 <        /* temporary (r)xlines are also on
1192 <         * the (r)xconf items list */
2466 <        if (conf->flags & CONF_FLAGS_TEMPORARY)
2467 <          continue;
2468 <
2469 <        delete_conf_item(conf);
1191 >        if (!conf->ref_count)
1192 >          conf_free(conf);
1193        }
1194 <      else
1194 >      else if (conf->type == CONF_XLINE)
1195        {
1196 <          delete_conf_item(conf);
1196 >        if (!conf->until)
1197 >          conf_free(conf);
1198        }
1199 +      else
1200 +        conf_free(conf);
1201      }
1202    }
1203  
1204 +  motd_clear();
1205 +
1206    /*
1207     * don't delete the class table, rather mark all entries
1208 <   * for deletion. The table is cleaned up by check_class. - avalon
1208 >   * for deletion. The table is cleaned up by class_delete_marked. - avalon
1209     */
1210 <  DLINK_FOREACH(ptr, class_items.head)
2483 <  {
2484 <    cltmp = map_to_conf(ptr->data);
2485 <
2486 <    if (ptr != class_items.tail)  /* never mark the "default" class */
2487 <      cltmp->active = 0;
2488 <  }
1210 >  class_mark_for_deletion();
1211  
1212    clear_out_address_conf();
1213  
1214    /* clean out module paths */
1215    mod_clear_paths();
1216  
1217 <  /* clean out ServerInfo */
1218 <  MyFree(ServerInfo.description);
1219 <  ServerInfo.description = NULL;
1220 <  MyFree(ServerInfo.network_name);
1221 <  ServerInfo.network_name = NULL;
1222 <  MyFree(ServerInfo.network_desc);
1223 <  ServerInfo.network_desc = NULL;
1224 <  MyFree(ConfigFileEntry.egdpool_path);
1225 <  ConfigFileEntry.egdpool_path = NULL;
1217 >  pseudo_clear();
1218 >
1219 >  /* clean out ConfigServerInfo */
1220 >  MyFree(ConfigServerInfo.description);
1221 >  ConfigServerInfo.description = NULL;
1222 >  MyFree(ConfigServerInfo.network_name);
1223 >  ConfigServerInfo.network_name = NULL;
1224 >  MyFree(ConfigServerInfo.network_desc);
1225 >  ConfigServerInfo.network_desc = NULL;
1226   #ifdef HAVE_LIBCRYPTO
1227 <  if (ServerInfo.rsa_private_key != NULL)
1227 >  if (ConfigServerInfo.rsa_private_key)
1228    {
1229 <    RSA_free(ServerInfo.rsa_private_key);
1230 <    ServerInfo.rsa_private_key = NULL;
1229 >    RSA_free(ConfigServerInfo.rsa_private_key);
1230 >    ConfigServerInfo.rsa_private_key = NULL;
1231    }
1232  
1233 <  MyFree(ServerInfo.rsa_private_key_file);
1234 <  ServerInfo.rsa_private_key_file = NULL;
2513 <
2514 <  if (ServerInfo.server_ctx)
2515 <    SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|
2516 <                                               SSL_OP_NO_SSLv3|
2517 <                                               SSL_OP_NO_TLSv1);
2518 <  if (ServerInfo.client_ctx)
2519 <    SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|
2520 <                                               SSL_OP_NO_SSLv3|
2521 <                                               SSL_OP_NO_TLSv1);
1233 >  MyFree(ConfigServerInfo.rsa_private_key_file);
1234 >  ConfigServerInfo.rsa_private_key_file = NULL;
1235   #endif
1236  
1237 <  /* clean out old resvs from the conf */
1238 <  clear_conf_resv();
1239 <
1240 <  /* clean out AdminInfo */
1241 <  MyFree(AdminInfo.name);
1242 <  AdminInfo.name = NULL;
1243 <  MyFree(AdminInfo.email);
2531 <  AdminInfo.email = NULL;
2532 <  MyFree(AdminInfo.description);
2533 <  AdminInfo.description = NULL;
1237 >  /* clean out ConfigAdminInfo */
1238 >  MyFree(ConfigAdminInfo.name);
1239 >  ConfigAdminInfo.name = NULL;
1240 >  MyFree(ConfigAdminInfo.email);
1241 >  ConfigAdminInfo.email = NULL;
1242 >  MyFree(ConfigAdminInfo.description);
1243 >  ConfigAdminInfo.description = NULL;
1244  
2535  /* operator{} and class{} blocks are freed above */
1245    /* clean out listeners */
1246    close_listeners();
2538
2539  /* auth{}, quarantine{}, shared{}, connect{}, kill{}, deny{},
2540   * exempt{} and gecos{} blocks are freed above too
2541   */
2542
2543  /* clean out general */
2544  MyFree(ConfigFileEntry.service_name);
2545  ConfigFileEntry.service_name = NULL;
2546
2547  delete_isupport("INVEX");
2548  delete_isupport("EXCEPTS");
1247   }
1248  
1249 < /* flush_deleted_I_P()
1249 > /* read_conf_files()
1250   *
1251 < * inputs       - none
1251 > * inputs       - cold start YES or NO
1252   * output       - none
1253 < * side effects - This function removes I/P conf items
2556 < */
2557 < static void
2558 < flush_deleted_I_P(void)
2559 < {
2560 <  dlink_node *ptr;
2561 <  dlink_node *next_ptr;
2562 <  struct ConfItem *conf;
2563 <  struct AccessItem *aconf;
2564 <  dlink_list * free_items [] = {
2565 <    &server_items, &oconf_items, NULL
2566 <  };
2567 <  dlink_list ** iterator = free_items; /* C is dumb */
2568 <
2569 <  /* flush out deleted I and P lines
2570 <   * although still in use.
2571 <   */
2572 <  for (; *iterator != NULL; iterator++)
2573 <  {
2574 <    DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
2575 <    {
2576 <      conf = ptr->data;
2577 <      aconf = (struct AccessItem *)map_to_conf(conf);
2578 <
2579 <      if (IsConfIllegal(aconf))
2580 <      {
2581 <        dlinkDelete(ptr, *iterator);
2582 <
2583 <        if (aconf->clients == 0)
2584 <          delete_conf_item(conf);
2585 <      }
2586 <    }
2587 <  }
2588 < }
2589 <
2590 < /* get_conf_name()
2591 < *
2592 < * inputs       - type of conf file to return name of file for
2593 < * output       - pointer to filename for type of conf
2594 < * side effects - none
1253 > * side effects - read all conf files needed, ircd.conf kline.conf etc.
1254   */
1255 < const char *
1256 < get_conf_name(ConfType type)
1255 > void
1256 > read_conf_files(int cold)
1257   {
1258 <  switch (type)
1259 <  {
1260 <    case CONF_TYPE:
2602 <      return ConfigFileEntry.configfile;
2603 <      break;
2604 <    case KLINE_TYPE:
2605 <      return ConfigFileEntry.klinefile;
2606 <      break;
2607 <    case RKLINE_TYPE:
2608 <      return ConfigFileEntry.rklinefile;
2609 <      break;
2610 <    case DLINE_TYPE:
2611 <      return ConfigFileEntry.dlinefile;
2612 <      break;
2613 <    case XLINE_TYPE:
2614 <      return ConfigFileEntry.xlinefile;
2615 <      break;
2616 <    case RXLINE_TYPE:
2617 <      return ConfigFileEntry.rxlinefile;
2618 <      break;
2619 <    case CRESV_TYPE:
2620 <      return ConfigFileEntry.cresvfile;
2621 <      break;
2622 <    case NRESV_TYPE:
2623 <      return ConfigFileEntry.nresvfile;
2624 <      break;
2625 <    case GLINE_TYPE:
2626 <      return ConfigFileEntry.glinefile;
2627 <      break;
1258 >  const char *filename = NULL;
1259 >  char chanmodes[IRCD_BUFSIZE] = "";
1260 >  char chanlimit[IRCD_BUFSIZE] = "";
1261  
1262 <    default:
1263 <      return NULL;  /* This should NEVER HAPPEN since we call this function
2631 <                       only with the above values, this will cause us to core
2632 <                       at some point if this happens so we know where it was */
2633 <  }
2634 < }
1262 >  conf_parser_ctx.boot = cold;
1263 >  filename = ConfigGeneral.configfile;
1264  
1265 < #define BAD_PING (-1)
1265 >  /* We need to know the initial filename for the yyerror() to report
1266 >     FIXME: The full path is in conffilenamebuf first time since we
1267 >             don't know anything else
1268  
1269 < /* get_conf_ping()
1270 < *
1271 < * inputs       - pointer to struct AccessItem
2641 < *              - pointer to a variable that receives ping warning time
2642 < * output       - ping frequency
2643 < * side effects - NONE
2644 < */
2645 < static int
2646 < get_conf_ping(struct ConfItem *conf, int *pingwarn)
2647 < {
2648 <  struct ClassItem *aclass;
2649 <  struct AccessItem *aconf;
1269 >     - Gozem 2002-07-21
1270 >  */
1271 >  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1272  
1273 <  if (conf != NULL)
1273 >  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1274    {
1275 <    aconf = (struct AccessItem *)map_to_conf(conf);
2654 <    if (aconf->class_ptr != NULL)
1275 >    if (cold)
1276      {
1277 <      aclass = (struct ClassItem *)map_to_conf(aconf->class_ptr);
1278 <      *pingwarn = aclass->ping_warning;
1279 <      return aclass->ping_freq;
1277 >      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1278 >           filename, strerror(errno));
1279 >      exit(-1);
1280      }
1281 <  }
2661 <
2662 <  return BAD_PING;
2663 < }
2664 <
2665 < /* get_client_class()
2666 < *
2667 < * inputs       - pointer to client struct
2668 < * output       - pointer to name of class
2669 < * side effects - NONE
2670 < */
2671 < const char *
2672 < get_client_class(struct Client *target_p)
2673 < {
2674 <  dlink_node *cnode = NULL;
2675 <  struct AccessItem *aconf = NULL;
2676 <
2677 <  assert(!IsMe(target_p));
2678 <
2679 <  if ((cnode = target_p->localClient->confs.head))
2680 <  {
2681 <    struct ConfItem *conf = cnode->data;
2682 <
2683 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
2684 <          (conf->type == OPER_TYPE));
2685 <
2686 <    aconf = map_to_conf(conf);
2687 <    if (aconf->class_ptr != NULL)
2688 <      return aconf->class_ptr->name;
2689 <  }
2690 <
2691 <  return "default";
2692 < }
2693 <
2694 < /* get_client_ping()
2695 < *
2696 < * inputs       - pointer to client struct
2697 < *              - pointer to a variable that receives ping warning time
2698 < * output       - ping frequency
2699 < * side effects - NONE
2700 < */
2701 < int
2702 < get_client_ping(struct Client *target_p, int *pingwarn)
2703 < {
2704 <  int ping = 0;
2705 <  dlink_node *cnode = NULL;
2706 <
2707 <  if ((cnode = target_p->localClient->confs.head))
2708 <  {
2709 <    struct ConfItem *conf = cnode->data;
2710 <
2711 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
2712 <          (conf->type == OPER_TYPE));
2713 <
2714 <    ping = get_conf_ping(conf, pingwarn);
2715 <    if (ping > 0)
2716 <      return ping;
2717 <  }
2718 <
2719 <  *pingwarn = 0;
2720 <  return DEFAULT_PINGFREQUENCY;
2721 < }
2722 <
2723 < /* find_class()
2724 < *
2725 < * inputs       - string name of class
2726 < * output       - corresponding Class pointer
2727 < * side effects - NONE
2728 < */
2729 < struct ConfItem *
2730 < find_class(const char *classname)
2731 < {
2732 <  struct ConfItem *conf;
2733 <
2734 <  if ((conf = find_exact_name_conf(CLASS_TYPE, NULL, classname, NULL, NULL)) != NULL)
2735 <    return conf;
2736 <
2737 <  return class_default;
2738 < }
2739 <
2740 < /* check_class()
2741 < *
2742 < * inputs       - NONE
2743 < * output       - NONE
2744 < * side effects -
2745 < */
2746 < void
2747 < check_class(void)
2748 < {
2749 <  dlink_node *ptr = NULL, *next_ptr = NULL;
2750 <
2751 <  DLINK_FOREACH_SAFE(ptr, next_ptr, class_items.head)
2752 <  {
2753 <    struct ClassItem *aclass = map_to_conf(ptr->data);
2754 <
2755 <    if (!aclass->active && !aclass->curr_user_count)
1281 >    else
1282      {
1283 <      destroy_cidr_class(aclass);
1284 <      delete_conf_item(ptr->data);
1283 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1284 >                           "Unable to read configuration file '%s': %s",
1285 >                           filename, strerror(errno));
1286 >      return;
1287      }
1288    }
2761 }
1289  
1290 < /* init_class()
1291 < *
2765 < * inputs       - NONE
2766 < * output       - NONE
2767 < * side effects -
2768 < */
2769 < void
2770 < init_class(void)
2771 < {
2772 <  struct ClassItem *aclass;
2773 <
2774 <  class_default = make_conf_item(CLASS_TYPE);
2775 <
2776 <  aclass = map_to_conf(class_default);
2777 <  aclass->active = 1;
2778 <  DupString(class_default->name, "default");
2779 <  aclass->con_freq  = DEFAULT_CONNECTFREQUENCY;
2780 <  aclass->ping_freq = DEFAULT_PINGFREQUENCY;
2781 <  aclass->max_total = MAXIMUM_LINKS_DEFAULT;
2782 <  aclass->max_sendq = DEFAULT_SENDQ;
2783 <
2784 <  client_check_cb = register_callback("check_client", check_client);
2785 < }
2786 <
2787 < /* get_sendq()
2788 < *
2789 < * inputs       - pointer to client
2790 < * output       - sendq for this client as found from its class
2791 < * side effects - NONE
2792 < */
2793 < unsigned int
2794 < get_sendq(struct Client *client_p)
2795 < {
2796 <  unsigned int sendq = DEFAULT_SENDQ;
2797 <  dlink_node *cnode;
2798 <  struct ConfItem *class_conf;
2799 <  struct ClassItem *aclass;
2800 <  struct AccessItem *aconf;
2801 <
2802 <  assert(!IsMe(client_p));
1290 >  if (!cold)
1291 >    clear_out_old_conf();
1292  
1293 <  if ((cnode = client_p->localClient->confs.head))
1294 <  {
2806 <    struct ConfItem *conf = cnode->data;
1293 >  read_conf(conf_parser_ctx.conf_file);
1294 >  fclose(conf_parser_ctx.conf_file);
1295  
1296 <    assert((conf->type == CLIENT_TYPE) || (conf->type == SERVER_TYPE) ||
2809 <          (conf->type == OPER_TYPE));
1296 >  log_reopen_all();
1297  
1298 <    aconf = map_to_conf(conf);
1298 >  add_isupport("NICKLEN", NULL, ConfigServerInfo.max_nick_length);
1299 >  add_isupport("NETWORK", ConfigServerInfo.network_name, -1);
1300  
1301 <    if ((class_conf = aconf->class_ptr) == NULL)
1302 <      return DEFAULT_SENDQ; /* TBV: shouldn't be possible at all */
1301 >  snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans);
1302 >  add_isupport("MAXLIST", chanmodes, -1);
1303 >  add_isupport("MAXTARGETS", NULL, ConfigGeneral.max_targets);
1304 >  add_isupport("CHANTYPES", "#", -1);
1305  
1306 <    aclass = map_to_conf(class_conf);
1307 <    sendq = aclass->max_sendq;
1308 <    return sendq;
1309 <  }
1306 >  snprintf(chanlimit, sizeof(chanlimit), "#:%d",
1307 >           ConfigChannel.max_channels);
1308 >  add_isupport("CHANLIMIT", chanlimit, -1);
1309 >  snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,cimnprstMORS");
1310 >  add_isupport("CHANNELLEN", NULL, CHANNELLEN);
1311 >  add_isupport("TOPICLEN", NULL, ConfigServerInfo.max_topic_length);
1312 >  add_isupport("CHANMODES", chanmodes, -1);
1313  
1314 <  /* XXX return a default?
1315 <   * if here, then there wasn't an attached conf with a sendq
1316 <   * that is very bad -Dianora
1314 >  /*
1315 >   * message_locale may have changed.  rebuild isupport since it relies
1316 >   * on strlen(form_str(RPL_ISUPPORT))
1317     */
1318 <  return DEFAULT_SENDQ;
1318 >  rebuild_isupport_message_line();
1319   }
1320  
1321   /* conf_add_class_to_conf()
1322   *
1323   * inputs       - pointer to config item
1324   * output       - NONE
1325 < * side effects - Add a class pointer to a conf
1325 > * side effects - Add a class pointer to a conf
1326   */
1327   void
1328 < conf_add_class_to_conf(struct ConfItem *conf, const char *class_name)
1328 > conf_add_class_to_conf(struct MaskItem *conf, const char *class_name)
1329   {
1330 <  struct AccessItem *aconf = map_to_conf(conf);
2838 <  struct ClassItem *class = NULL;
2839 <
2840 <  if (class_name == NULL)
1330 >  if (class_name == NULL)
1331    {
1332 <    aconf->class_ptr = class_default;
1332 >    conf->class = class_default;
1333  
1334 <    if (conf->type == CLIENT_TYPE)
1335 <      sendto_realops_flags(UMODE_ALL, L_ALL,
1336 <                           "Warning *** Defaulting to default class for %s@%s",
1337 <                           aconf->user, aconf->host);
1334 >    if (conf->type == CONF_CLIENT || conf->type == CONF_OPER)
1335 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1336 >                           "Warning *** Defaulting to default class for %s@%s",
1337 >                           conf->user, conf->host);
1338      else
1339 <      sendto_realops_flags(UMODE_ALL, L_ALL,
1340 <                           "Warning *** Defaulting to default class for %s",
1341 <                           conf->name);
1339 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1340 >                           "Warning *** Defaulting to default class for %s",
1341 >                           conf->name);
1342    }
1343    else
1344 <    aconf->class_ptr = find_class(class_name);
1344 >    conf->class = class_find(class_name, 1);
1345  
1346 <  if (aconf->class_ptr)
2857 <    class = map_to_conf(aconf->class_ptr);
2858 <
2859 <  if (aconf->class_ptr == NULL || !class->active)
1346 >  if (conf->class == NULL)
1347    {
1348 <    if (conf->type == CLIENT_TYPE)
1349 <      sendto_realops_flags(UMODE_ALL, L_ALL,
1350 <                           "Warning *** Defaulting to default class for %s@%s",
1351 <                           aconf->user, aconf->host);
1348 >    if (conf->type == CONF_CLIENT || conf->type == CONF_OPER)
1349 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1350 >                           "Warning *** Defaulting to default class for %s@%s",
1351 >                           conf->user, conf->host);
1352      else
1353 <      sendto_realops_flags(UMODE_ALL, L_ALL,
1354 <                           "Warning *** Defaulting to default class for %s",
1355 <                           conf->name);
1356 <    aconf->class_ptr = class_default;
1353 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1354 >                           "Warning *** Defaulting to default class for %s",
1355 >                           conf->name);
1356 >    conf->class = class_default;
1357    }
1358   }
1359  
2873 /* conf_add_server()
2874 *
2875 * inputs       - pointer to config item
2876 *              - pointer to link count already on this conf
2877 * output       - NONE
2878 * side effects - Add a connect block
2879 */
2880 int
2881 conf_add_server(struct ConfItem *conf, const char *class_name)
2882 {
2883  struct AccessItem *aconf = map_to_conf(conf);
2884
2885  conf_add_class_to_conf(conf, class_name);
2886
2887  if (!aconf->host || !conf->name)
2888  {
2889    sendto_realops_flags(UMODE_ALL, L_ALL, "Bad connect block");
2890    ilog(LOG_TYPE_IRCD, "Bad connect block");
2891    return -1;
2892  }
2893
2894  if (EmptyString(aconf->passwd))
2895  {
2896    sendto_realops_flags(UMODE_ALL, L_ALL, "Bad connect block, name %s",
2897                         conf->name);
2898    ilog(LOG_TYPE_IRCD, "Bad connect block, host %s", conf->name);
2899    return -1;
2900  }
2901
2902  lookup_confhost(conf);
2903
2904  return 0;
2905 }
2906
1360   /* yyerror()
1361   *
1362   * inputs       - message from parser
# Line 2919 | Line 1372 | yyerror(const char *msg)
1372      return;
1373  
1374    strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf));
1375 <  sendto_realops_flags(UMODE_ALL, L_ALL, "\"%s\", line %u: %s: %s",
1375 >  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1376 >                       "\"%s\", line %u: %s: %s",
1377 >                       conffilebuf, lineno + 1, msg, newlinebuf);
1378 >  ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s",
1379 >       conffilebuf, lineno + 1, msg, newlinebuf);
1380 > }
1381 >
1382 > void
1383 > conf_error_report(const char *msg)
1384 > {
1385 >  char newlinebuf[IRCD_BUFSIZE];
1386 >
1387 >  strip_tabs(newlinebuf, linebuf, sizeof(newlinebuf));
1388 >  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1389 >                       "\"%s\", line %u: %s: %s",
1390                         conffilebuf, lineno + 1, msg, newlinebuf);
1391    ilog(LOG_TYPE_IRCD, "\"%s\", line %u: %s: %s",
1392         conffilebuf, lineno + 1, msg, newlinebuf);
# Line 2927 | Line 1394 | yyerror(const char *msg)
1394  
1395   /*
1396   * valid_tkline()
1397 < *
1397 > *
1398   * inputs       - pointer to ascii string to check
1399   *              - whether the specified time is in seconds or minutes
1400   * output       - -1 not enough parameters
# Line 2936 | Line 1403 | yyerror(const char *msg)
1403   * Originally written by Dianora (Diane, db@db.net)
1404   */
1405   time_t
1406 < valid_tkline(const char *p, int minutes)
1406 > valid_tkline(const char *data, const int minutes)
1407   {
1408 +  const unsigned char *p = (const unsigned char *)data;
1409 +  unsigned char tmpch = '\0';
1410    time_t result = 0;
1411  
1412 <  for (; *p; ++p)
1412 >  while ((tmpch = *p++))
1413    {
1414 <    if (!IsDigit(*p))
1414 >    if (!IsDigit(tmpch))
1415        return 0;
1416  
1417      result *= 10;
1418 <    result += ((*p) & 0xF);
1418 >    result += (tmpch & 0xF);
1419    }
1420  
1421    /*
1422 <   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1422 >   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1423     * i.e. they specifically use 0, I am going to return 1 instead
1424     * as a return value of non-zero is used to flag it as a temporary kline
1425     */
1426    if (result == 0)
1427      result = 1;
1428  
1429 <  /*
1429 >  /*
1430     * If the incoming time is in seconds convert it to minutes for the purpose
1431     * of this calculation
1432     */
1433    if (!minutes)
1434 <    result = result / (time_t)60;
1434 >    result = result / 60;
1435  
1436    if (result > MAX_TDKLINE_TIME)
1437      result = MAX_TDKLINE_TIME;
1438  
1439 <  result = result * (time_t)60;  /* turn it into seconds */
1439 >  result = result * 60;  /* turn it into seconds */
1440  
1441    return result;
1442   }
1443  
1444 + /* valid_wild_card_simple()
1445 + *
1446 + * inputs       - data to check for sufficient non-wildcard characters
1447 + * outputs      - 1 if valid, else 0
1448 + * side effects - none
1449 + */
1450 + int
1451 + valid_wild_card_simple(const char *data)
1452 + {
1453 +  const unsigned char *p = (const unsigned char *)data;
1454 +  unsigned char tmpch = '\0';
1455 +  unsigned int nonwild = 0;
1456 +
1457 +  while ((tmpch = *p++))
1458 +  {
1459 +    if (tmpch == '\\' && *p)
1460 +    {
1461 +      ++p;
1462 +      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1463 +        return 1;
1464 +    }
1465 +    else if (!IsMWildChar(tmpch))
1466 +    {
1467 +      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1468 +        return 1;
1469 +    }
1470 +  }
1471 +
1472 +  return 0;
1473 + }
1474 +
1475   /* valid_wild_card()
1476   *
1477   * input        - pointer to client
# Line 2983 | Line 1483 | valid_tkline(const char *p, int minutes)
1483   int
1484   valid_wild_card(struct Client *source_p, int warn, int count, ...)
1485   {
1486 <  char *p;
1487 <  char tmpch;
2988 <  int nonwild = 0;
1486 >  unsigned char tmpch = '\0';
1487 >  unsigned int nonwild = 0;
1488    va_list args;
1489  
1490    /*
# Line 3004 | Line 1503 | valid_wild_card(struct Client *source_p,
1503  
1504    while (count--)
1505    {
1506 <    p = va_arg(args, char *);
1506 >    const unsigned char *p = va_arg(args, const unsigned char *);
1507      if (p == NULL)
1508        continue;
1509  
# Line 3016 | Line 1515 | valid_wild_card(struct Client *source_p,
1515           * If we find enough non-wild characters, we can
1516           * break - no point in searching further.
1517           */
1518 <        if (++nonwild >= ConfigFileEntry.min_nonwildcard)
1518 >        if (++nonwild >= ConfigGeneral.min_nonwildcard)
1519 >        {
1520 >          va_end(args);
1521            return 1;
1522 +        }
1523        }
1524      }
1525    }
1526  
1527    if (warn)
1528 <    sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the mask",
1529 <               me.name, source_p->name, ConfigFileEntry.min_nonwildcard);
1528 >    sendto_one_notice(source_p, &me,
1529 >                      ":Please include at least %u non-wildcard characters with the mask",
1530 >                      ConfigGeneral.min_nonwildcard);
1531 >  va_end(args);
1532 >  return 0;
1533 > }
1534 >
1535 > /* find_user_host()
1536 > *
1537 > * inputs       - pointer to client placing kline
1538 > *              - pointer to user_host_or_nick
1539 > *              - pointer to user buffer
1540 > *              - pointer to host buffer
1541 > * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1542 > * side effects -
1543 > */
1544 > static int
1545 > find_user_host(struct Client *source_p, char *user_host_or_nick,
1546 >               char *luser, char *lhost, unsigned int flags)
1547 > {
1548 >  struct Client *target_p = NULL;
1549 >  char *hostp = NULL;
1550 >
1551 >  if (lhost == NULL)
1552 >  {
1553 >    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1554 >    return 1;
1555 >  }
1556 >
1557 >  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1558 >  {
1559 >    /* Explicit user@host mask given */
1560 >    if (hostp)                            /* I'm a little user@host */
1561 >    {
1562 >      *(hostp++) = '\0';                       /* short and squat */
1563 >
1564 >      if (*user_host_or_nick)
1565 >        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1566 >      else
1567 >        strcpy(luser, "*");
1568 >
1569 >      if (*hostp)
1570 >        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
1571 >      else
1572 >        strcpy(lhost, "*");
1573 >    }
1574 >    else
1575 >    {
1576 >      luser[0] = '*';             /* no @ found, assume its *@somehost */
1577 >      luser[1] = '\0';
1578 >      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
1579 >    }
1580 >
1581 >    return 1;
1582 >  }
1583 >  else
1584 >  {
1585 >    /* Try to find user@host mask from nick */
1586 >    /* Okay to use source_p as the first param, because source_p == client_p */
1587 >    if ((target_p =
1588 >        find_chasing(source_p, user_host_or_nick)) == NULL)
1589 >      return 0;  /* find_chasing sends ERR_NOSUCHNICK */
1590 >
1591 >    if (IsExemptKline(target_p))
1592 >    {
1593 >      if (IsClient(source_p))
1594 >        sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
1595 >      return 0;
1596 >    }
1597 >
1598 >    /*
1599 >     * turn the "user" bit into "*user", blow away '~'
1600 >     * if found in original user name (non-idented)
1601 >     */
1602 >    strlcpy(luser, target_p->username, USERLEN*4 + 1);
1603 >
1604 >    if (target_p->username[0] == '~')
1605 >      luser[0] = '*';
1606 >
1607 >    if (!strcmp(target_p->sockhost, "0"))
1608 >      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
1609 >    else
1610 >      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
1611 >    return 1;
1612 >  }
1613 >
1614    return 0;
1615   }
1616  
# Line 3038 | Line 1624 | valid_wild_card(struct Client *source_p,
1624   *              - parse_flags bit map of things to test
1625   *              - pointer to user or string to parse into
1626   *              - pointer to host or NULL to parse into if non NULL
1627 < *              - pointer to optional tkline time or NULL
1627 > *              - pointer to optional tkline time or NULL
1628   *              - pointer to target_server to parse into if non NULL
1629   *              - pointer to reason to parse into
1630   *
# Line 3060 | Line 1646 | valid_wild_card(struct Client *source_p,
1646   */
1647   int
1648   parse_aline(const char *cmd, struct Client *source_p,
1649 <            int parc, char **parv,
1650 <            int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1651 <            char **target_server, char **reason)
1649 >            int parc, char **parv,
1650 >            int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1651 >            char **target_server, char **reason)
1652   {
1653    int found_tkline_time=0;
1654 <  static char def_reason[] = "No Reason";
1654 >  static char def_reason[] = CONF_NOREASON;
1655    static char user[USERLEN*4+1];
1656    static char host[HOSTLEN*4+1];
1657  
# Line 3074 | Line 1660 | parse_aline(const char *cmd, struct Clie
1660  
1661    found_tkline_time = valid_tkline(*parv, TK_MINUTES);
1662  
1663 <  if (found_tkline_time != 0)
1663 >  if (found_tkline_time)
1664    {
1665      parv++;
1666      parc--;
1667  
1668 <    if (tkline_time != NULL)
1668 >    if (tkline_time)
1669        *tkline_time = found_tkline_time;
1670      else
1671      {
1672 <      sendto_one(source_p, ":%s NOTICE %s :temp_line not supported by %s",
3087 <                 me.name, source_p->name, cmd);
1672 >      sendto_one_notice(source_p, &me, ":temp_line not supported by %s", cmd);
1673        return -1;
1674      }
1675    }
1676  
1677    if (parc == 0)
1678    {
1679 <    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
3095 <               me.name, source_p->name, cmd);
1679 >    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1680      return -1;
1681    }
1682  
# Line 3106 | Line 1690 | parse_aline(const char *cmd, struct Clie
1690      *up_p = user;
1691      *h_p = host;
1692    }
1693 <
1693 >
1694    parc--;
1695    parv++;
1696  
1697 <  if (parc != 0)
1697 >  if (parc)
1698    {
1699      if (irccmp(*parv, "ON") == 0)
1700      {
# Line 3119 | Line 1703 | parse_aline(const char *cmd, struct Clie
1703  
1704        if (target_server == NULL)
1705        {
1706 <        sendto_one(source_p, ":%s NOTICE %s :ON server not supported by %s",
1707 <                   me.name, source_p->name, cmd);
3124 <        return -1;
1706 >        sendto_one_notice(source_p, &me, ":ON server not supported by %s", cmd);
1707 >        return -1;
1708        }
1709  
1710        if (!HasOFlag(source_p, OPER_FLAG_REMOTEBAN))
1711        {
1712 <        sendto_one(source_p, form_str(ERR_NOPRIVS),
3130 <                   me.name, source_p->name, "remoteban");
1712 >        sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "remoteban");
1713          return -1;
1714        }
1715  
1716        if (parc == 0 || EmptyString(*parv))
1717        {
1718 <        sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1719 <                   me.name, source_p->name, cmd);
3138 <        return -1;
1718 >        sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1719 >        return -1;
1720        }
1721  
1722        *target_server = *parv;
# Line 3147 | Line 1728 | parse_aline(const char *cmd, struct Clie
1728        /* Make sure target_server *is* NULL if no ON server found
1729         * caller probably NULL'd it first, but no harm to do it again -db
1730         */
1731 <      if (target_server != NULL)
1732 <        *target_server = NULL;
1731 >      if (target_server)
1732 >        *target_server = NULL;
1733      }
1734    }
1735  
1736 <  if (h_p != NULL)
1736 >  if (h_p)
1737    {
1738 <    if (strchr(user, '!') != NULL)
1738 >    if (strchr(user, '!'))
1739      {
1740 <      sendto_one(source_p, ":%s NOTICE %s :Invalid character '!' in kline",
3160 <                 me.name, source_p->name);
1740 >      sendto_one_notice(source_p, &me, ":Invalid character '!' in kline");
1741        return -1;
1742      }
1743  
# Line 3168 | Line 1748 | parse_aline(const char *cmd, struct Clie
1748      if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 1, *up_p))
1749        return -1;
1750  
1751 <  if (reason != NULL)
1751 >  if (reason)
1752    {
1753 <    if (parc != 0 && !EmptyString(*parv))
1753 >    if (parc && !EmptyString(*parv))
1754      {
1755        *reason = *parv;
1756 +
1757        if (!valid_comment(source_p, *reason, 1))
1758 <        return -1;
1758 >        return -1;
1759      }
1760      else
1761        *reason = def_reason;
# Line 3183 | Line 1764 | parse_aline(const char *cmd, struct Clie
1764    return 1;
1765   }
1766  
3186 /* find_user_host()
3187 *
3188 * inputs       - pointer to client placing kline
3189 *              - pointer to user_host_or_nick
3190 *              - pointer to user buffer
3191 *              - pointer to host buffer
3192 * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
3193 * side effects -
3194 */
3195 static int
3196 find_user_host(struct Client *source_p, char *user_host_or_nick,
3197               char *luser, char *lhost, unsigned int flags)
3198 {
3199  struct Client *target_p = NULL;
3200  char *hostp = NULL;
3201
3202  if (lhost == NULL)
3203  {
3204    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
3205    return 1;
3206  }
3207
3208  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
3209  {
3210    /* Explicit user@host mask given */
3211
3212    if (hostp != NULL)                            /* I'm a little user@host */
3213    {
3214      *(hostp++) = '\0';                       /* short and squat */
3215      if (*user_host_or_nick)
3216        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
3217      else
3218        strcpy(luser, "*");
3219      if (*hostp)
3220        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
3221      else
3222        strcpy(lhost, "*");
3223    }
3224    else
3225    {
3226      luser[0] = '*';             /* no @ found, assume its *@somehost */
3227      luser[1] = '\0';    
3228      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
3229    }
3230    
3231    return 1;
3232  }
3233  else if (!(flags & NOUSERLOOKUP))
3234  {
3235    /* Try to find user@host mask from nick */
3236    /* Okay to use source_p as the first param, because source_p == client_p */
3237    if ((target_p =
3238        find_chasing(source_p, source_p, user_host_or_nick, NULL)) == NULL)
3239      return 0;
3240
3241    if (IsExemptKline(target_p))
3242    {
3243      if (!IsServer(source_p))
3244        sendto_one(source_p,
3245                   ":%s NOTICE %s :%s is E-lined",
3246                   me.name, source_p->name, target_p->name);
3247      return 0;
3248    }
3249
3250    /*
3251     * turn the "user" bit into "*user", blow away '~'
3252     * if found in original user name (non-idented)
3253     */
3254    strlcpy(luser, target_p->username, USERLEN*4 + 1);
3255
3256    if (target_p->username[0] == '~')
3257      luser[0] = '*';
3258
3259    if (target_p->sockhost[0] == '\0' ||
3260        (target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0'))
3261      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
3262    else
3263      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
3264    return 1;
3265  }
3266
3267  return 0;
3268 }
3269
1767   /* valid_comment()
1768   *
1769   * inputs       - pointer to client
# Line 3278 | Line 1775 | find_user_host(struct Client *source_p,
1775   int
1776   valid_comment(struct Client *source_p, char *comment, int warn)
1777   {
3281  if (strchr(comment, '"'))
3282  {
3283    if (warn)
3284      sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"' in comment",
3285                 me.name, source_p->name);
3286    return 0;
3287  }
3288
1778    if (strlen(comment) > REASONLEN)
1779      comment[REASONLEN-1] = '\0';
1780  
# Line 3300 | Line 1789 | valid_comment(struct Client *source_p, c
1789   * side effects - none
1790   */
1791   int
1792 < match_conf_password(const char *password, const struct AccessItem *aconf)
1792 > match_conf_password(const char *password, const struct MaskItem *conf)
1793   {
1794    const char *encr = NULL;
1795  
1796 <  if (EmptyString(password) || EmptyString(aconf->passwd))
1796 >  if (EmptyString(password) || EmptyString(conf->passwd))
1797      return 0;
1798  
1799 <  if (aconf->flags & CONF_FLAGS_ENCRYPTED)
1800 <    encr = crypt(password, aconf->passwd);
1799 >  if (conf->flags & CONF_FLAGS_ENCRYPTED)
1800 >    encr = crypt(password, conf->passwd);
1801    else
1802      encr = password;
1803  
1804 <  return !strcmp(encr, aconf->passwd);
1804 >  return encr && !strcmp(encr, conf->passwd);
1805   }
1806  
1807   /*
# Line 3320 | Line 1809 | match_conf_password(const char *password
1809   *
1810   * inputs       - client sending the cluster
1811   *              - command name "KLINE" "XLINE" etc.
1812 < *              - capab -- CAP_KLN etc. from s_serv.h
1812 > *              - capab -- CAP_KLN etc. from server.h
1813   *              - cluster type -- CLUSTER_KLINE etc. from conf.h
1814   *              - pattern and args to send along
1815   * output       - none
# Line 3332 | Line 1821 | cluster_a_line(struct Client *source_p,
1821                 int capab, int cluster_type, const char *pattern, ...)
1822   {
1823    va_list args;
1824 <  char buffer[IRCD_BUFSIZE];
1825 <  const dlink_node *ptr = NULL;
1824 >  char buffer[IRCD_BUFSIZE] = "";
1825 >  const dlink_node *node = NULL;
1826  
1827    va_start(args, pattern);
1828    vsnprintf(buffer, sizeof(buffer), pattern, args);
1829    va_end(args);
1830  
1831 <  DLINK_FOREACH(ptr, cluster_items.head)
1831 >  DLINK_FOREACH(node, cluster_items.head)
1832    {
1833 <    const struct ConfItem *conf = ptr->data;
1833 >    const struct MaskItem *conf = node->data;
1834  
1835      if (conf->flags & cluster_type)
1836        sendto_match_servs(source_p, conf->name, CAP_CLUSTER|capab,
1837 <                         "%s %s %s", command, conf->name, buffer);
1837 >                         "%s %s %s", command, conf->name, buffer);
1838    }
1839   }
1840  
# Line 3384 | Line 1873 | split_nuh(struct split_nuh_item *const i
1873  
1874    if (iptr->nickptr)
1875      strlcpy(iptr->nickptr, "*", iptr->nicksize);
1876 +
1877    if (iptr->userptr)
1878      strlcpy(iptr->userptr, "*", iptr->usersize);
1879 +
1880    if (iptr->hostptr)
1881      strlcpy(iptr->hostptr, "*", iptr->hostsize);
1882  
# Line 3393 | Line 1884 | split_nuh(struct split_nuh_item *const i
1884    {
1885      *p = '\0';
1886  
1887 <    if (iptr->nickptr && *iptr->nuhmask != '\0')
1887 >    if (iptr->nickptr && *iptr->nuhmask)
1888        strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize);
1889  
1890 <    if ((q = strchr(++p, '@'))) {
1890 >    if ((q = strchr(++p, '@')))
1891 >    {
1892        *q++ = '\0';
1893  
1894 <      if (*p != '\0')
1894 >      if (*p)
1895          strlcpy(iptr->userptr, p, iptr->usersize);
1896  
1897 <      if (*q != '\0')
1897 >      if (*q)
1898          strlcpy(iptr->hostptr, q, iptr->hostsize);
1899      }
1900      else
1901      {
1902 <      if (*p != '\0')
1902 >      if (*p)
1903          strlcpy(iptr->userptr, p, iptr->usersize);
1904      }
1905    }
# Line 3419 | Line 1911 | split_nuh(struct split_nuh_item *const i
1911        /* if found a @ */
1912        *p++ = '\0';
1913  
1914 <      if (*iptr->nuhmask != '\0')
1914 >      if (*iptr->nuhmask)
1915          strlcpy(iptr->userptr, iptr->nuhmask, iptr->usersize);
1916  
1917 <      if (*p != '\0')
1917 >      if (*p)
1918          strlcpy(iptr->hostptr, p, iptr->hostsize);
1919      }
1920      else
# Line 3435 | Line 1927 | split_nuh(struct split_nuh_item *const i
1927      }
1928    }
1929   }
3438
3439 /*
3440 * flags_to_ascii
3441 *
3442 * inputs       - flags is a bitmask
3443 *              - pointer to table of ascii letters corresponding
3444 *                to each bit
3445 *              - flag 1 for convert ToLower if bit missing
3446 *                0 if ignore.
3447 * output       - none
3448 * side effects - string pointed to by p has bitmap chars written to it
3449 */
3450 static void
3451 flags_to_ascii(unsigned int flags, const unsigned int bit_table[], char *p,
3452               int lowerit)
3453 {
3454  unsigned int mask = 1;
3455  int i = 0;
3456
3457  for (mask = 1; (mask != 0) && (bit_table[i] != 0); mask <<= 1, i++)
3458  {
3459    if (flags & mask)
3460      *p++ = bit_table[i];
3461    else if (lowerit)
3462      *p++ = ToLower(bit_table[i]);
3463  }
3464  *p = '\0';
3465 }
3466
3467 /*
3468 * cidr_limit_reached
3469 *
3470 * inputs       - int flag allowing over_rule of limits
3471 *              - pointer to the ip to be added
3472 *              - pointer to the class
3473 * output       - non zero if limit reached
3474 *                0 if limit not reached
3475 * side effects -
3476 */
3477 static int
3478 cidr_limit_reached(int over_rule,
3479                   struct irc_ssaddr *ip, struct ClassItem *aclass)
3480 {
3481  dlink_node *ptr = NULL;
3482  struct CidrItem *cidr;
3483
3484  if (aclass->number_per_cidr <= 0)
3485    return 0;
3486
3487  if (ip->ss.ss_family == AF_INET)
3488  {
3489    if (aclass->cidr_bitlen_ipv4 <= 0)
3490      return 0;
3491
3492    DLINK_FOREACH(ptr, aclass->list_ipv4.head)
3493    {
3494      cidr = ptr->data;
3495      if (match_ipv4(ip, &cidr->mask, aclass->cidr_bitlen_ipv4))
3496      {
3497        if (!over_rule && (cidr->number_on_this_cidr >= aclass->number_per_cidr))
3498          return -1;
3499        cidr->number_on_this_cidr++;
3500        return 0;
3501      }
3502    }
3503    cidr = MyMalloc(sizeof(struct CidrItem));
3504    cidr->number_on_this_cidr = 1;
3505    cidr->mask = *ip;
3506    mask_addr(&cidr->mask, aclass->cidr_bitlen_ipv4);
3507    dlinkAdd(cidr, &cidr->node, &aclass->list_ipv4);
3508  }
3509 #ifdef IPV6
3510  else if (aclass->cidr_bitlen_ipv6 > 0)
3511  {
3512    DLINK_FOREACH(ptr, aclass->list_ipv6.head)
3513    {
3514      cidr = ptr->data;
3515      if (match_ipv6(ip, &cidr->mask, aclass->cidr_bitlen_ipv6))
3516      {
3517        if (!over_rule && (cidr->number_on_this_cidr >= aclass->number_per_cidr))
3518          return -1;
3519        cidr->number_on_this_cidr++;
3520        return 0;
3521      }
3522    }
3523    cidr = MyMalloc(sizeof(struct CidrItem));
3524    cidr->number_on_this_cidr = 1;
3525    cidr->mask = *ip;
3526    mask_addr(&cidr->mask, aclass->cidr_bitlen_ipv6);
3527    dlinkAdd(cidr, &cidr->node, &aclass->list_ipv6);
3528  }
3529 #endif
3530  return 0;
3531 }
3532
3533 /*
3534 * remove_from_cidr_check
3535 *
3536 * inputs       - pointer to the ip to be removed
3537 *              - pointer to the class
3538 * output       - NONE
3539 * side effects -
3540 */
3541 static void
3542 remove_from_cidr_check(struct irc_ssaddr *ip, struct ClassItem *aclass)
3543 {
3544  dlink_node *ptr = NULL;
3545  dlink_node *next_ptr = NULL;
3546  struct CidrItem *cidr;
3547
3548  if (aclass->number_per_cidr == 0)
3549    return;
3550
3551  if (ip->ss.ss_family == AF_INET)
3552  {
3553    if (aclass->cidr_bitlen_ipv4 <= 0)
3554      return;
3555
3556    DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv4.head)
3557    {
3558      cidr = ptr->data;
3559      if (match_ipv4(ip, &cidr->mask, aclass->cidr_bitlen_ipv4))
3560      {
3561        cidr->number_on_this_cidr--;
3562        if (cidr->number_on_this_cidr == 0)
3563        {
3564          dlinkDelete(ptr, &aclass->list_ipv4);
3565          MyFree(cidr);
3566          return;
3567        }
3568      }
3569    }
3570  }
3571 #ifdef IPV6
3572  else if (aclass->cidr_bitlen_ipv6 > 0)
3573  {
3574    DLINK_FOREACH_SAFE(ptr, next_ptr, aclass->list_ipv6.head)
3575    {
3576      cidr = ptr->data;
3577      if (match_ipv6(ip, &cidr->mask, aclass->cidr_bitlen_ipv6))
3578      {
3579        cidr->number_on_this_cidr--;
3580        if (cidr->number_on_this_cidr == 0)
3581        {
3582          dlinkDelete(ptr, &aclass->list_ipv6);
3583          MyFree(cidr);
3584          return;
3585        }
3586      }
3587    }
3588  }
3589 #endif
3590 }
3591
3592 static void
3593 rebuild_cidr_list(int aftype, struct ConfItem *oldcl, struct ClassItem *newcl,
3594                  dlink_list *old_list, dlink_list *new_list, int changed)
3595 {
3596  dlink_node *ptr;
3597  struct Client *client_p;
3598  struct ConfItem *conf;
3599  struct AccessItem *aconf;
3600
3601  if (!changed)
3602  {
3603    *new_list = *old_list;
3604    old_list->head = old_list->tail = NULL;
3605    old_list->length = 0;
3606    return;
3607  }
3608
3609  DLINK_FOREACH(ptr, local_client_list.head)
3610  {
3611    client_p = ptr->data;
3612    if (client_p->localClient->aftype != aftype)
3613      continue;
3614    if (dlink_list_length(&client_p->localClient->confs) == 0)
3615      continue;
3616
3617    conf = client_p->localClient->confs.tail->data;
3618    if (conf->type == CLIENT_TYPE)
3619    {
3620      aconf = map_to_conf(conf);
3621      if (aconf->class_ptr == oldcl)
3622        cidr_limit_reached(1, &client_p->localClient->ip, newcl);
3623    }
3624  }
3625 }
3626
3627 /*
3628 * rebuild_cidr_class
3629 *
3630 * inputs       - pointer to old conf
3631 *              - pointer to new_class
3632 * output       - none
3633 * side effects - rebuilds the class link list of cidr blocks
3634 */
3635 void
3636 rebuild_cidr_class(struct ConfItem *conf, struct ClassItem *new_class)
3637 {
3638  struct ClassItem *old_class = map_to_conf(conf);
3639
3640  if (old_class->number_per_cidr > 0 && new_class->number_per_cidr > 0)
3641  {
3642    if (old_class->cidr_bitlen_ipv4 > 0 && new_class->cidr_bitlen_ipv4 > 0)
3643      rebuild_cidr_list(AF_INET, conf, new_class,
3644                        &old_class->list_ipv4, &new_class->list_ipv4,
3645                        old_class->cidr_bitlen_ipv4 != new_class->cidr_bitlen_ipv4);
3646
3647 #ifdef IPV6
3648    if (old_class->cidr_bitlen_ipv6 > 0 && new_class->cidr_bitlen_ipv6 > 0)
3649      rebuild_cidr_list(AF_INET6, conf, new_class,
3650                        &old_class->list_ipv6, &new_class->list_ipv6,
3651                        old_class->cidr_bitlen_ipv6 != new_class->cidr_bitlen_ipv6);
3652 #endif
3653  }
3654
3655  destroy_cidr_class(old_class);
3656 }
3657
3658 /*
3659 * destroy_cidr_list
3660 *
3661 * inputs       - pointer to class dlink list of cidr blocks
3662 * output       - none
3663 * side effects - completely destroys the class link list of cidr blocks
3664 */
3665 static void
3666 destroy_cidr_list(dlink_list *list)
3667 {
3668  dlink_node *ptr = NULL, *next_ptr = NULL;
3669
3670  DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
3671  {
3672    dlinkDelete(ptr, list);
3673    MyFree(ptr->data);
3674  }
3675 }
3676
3677 /*
3678 * destroy_cidr_class
3679 *
3680 * inputs       - pointer to class
3681 * output       - none
3682 * side effects - completely destroys the class link list of cidr blocks
3683 */
3684 static void
3685 destroy_cidr_class(struct ClassItem *aclass)
3686 {
3687  destroy_cidr_list(&aclass->list_ipv4);
3688  destroy_cidr_list(&aclass->list_ipv6);
3689 }

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