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Comparing ircd-hybrid/trunk/src/conf.c (file contents):
Revision 2525 by michael, Sat Nov 2 17:07:38 2013 UTC vs.
Revision 5003 by michael, Tue Dec 9 14:09:22 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"
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"
34 #include "hook.h"
37   #include "irc_string.h"
38   #include "s_bsd.h"
39   #include "ircd.h"
# Line 42 | Line 44
44   #include "fdlist.h"
45   #include "log.h"
46   #include "send.h"
45 #include "s_gline.h"
47   #include "memory.h"
48 < #include "mempool.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  
58 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 nresv_items   = { NULL, NULL, 0 };
68 < dlink_list cresv_items = { 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  
75 struct conf_parser_context conf_parser_ctx = { 0, 0, NULL };
76
77 /* internally defined functions */
78 static void read_conf(FILE *);
79 static void clear_out_old_conf(void);
80 static void expire_tklines(dlink_list *);
81 static void garbage_collect_ip_entries(void);
82 static int hash_ip(struct irc_ssaddr *);
83 static int verify_access(struct Client *);
84 static int attach_iline(struct Client *, struct MaskItem *);
85 static struct ip_entry *find_or_add_ip(struct irc_ssaddr *);
86 static dlink_list *map_to_list(enum maskitem_type);
87 static int find_user_host(struct Client *, char *, char *, char *, unsigned int);
88
89
90 /* usually, with hash tables, you use a prime number...
91 * but in this case I am dealing with ip addresses,
92 * not ascii strings.
93 */
94 #define IP_HASH_SIZE 0x1000
95
96 struct ip_entry
97 {
98  struct irc_ssaddr ip;
99  unsigned int count;
100  time_t last_attempt;
101  struct ip_entry *next;
102 };
103
104 static struct ip_entry *ip_hash_table[IP_HASH_SIZE];
105 static mp_pool_t *ip_entry_pool = NULL;
106 static int ip_entries_count = 0;
107
75  
76   /* conf_dns_callback()
77   *
# Line 117 | Line 84 | static int ip_entries_count = 0;
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 MaskItem *conf = vptr;
89 >  struct MaskItem *const conf = vptr;
90  
91    conf->dns_pending = 0;
92  
93 <  if (addr != NULL)
93 >  if (addr)
94      memcpy(&conf->addr, addr, sizeof(conf->addr));
95    else
96      conf->dns_failed = 1;
# Line 138 | Line 105 | conf_dns_callback(void *vptr, const stru
105   static void
106   conf_dns_lookup(struct MaskItem *conf)
107   {
108 <  if (!conf->dns_pending)
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 > /* map_to_list()
120 > *
121 > * inputs       - ConfType conf
122 > * output       - pointer to dlink_list to use
123 > * side effects - none
124 > */
125 > static dlink_list *
126 > map_to_list(enum maskitem_type type)
127 > {
128 >  switch (type)
129    {
130 <    conf->dns_pending = 1;
131 <    gethost_byname(conf_dns_callback, conf, conf->host);
130 >    case CONF_XLINE:
131 >      return &xconf_items;
132 >      break;
133 >    case CONF_ULINE:
134 >      return &uconf_items;
135 >      break;
136 >    case CONF_NRESV:
137 >      return &nresv_items;
138 >      break;
139 >    case CONF_CRESV:
140 >      return &cresv_items;
141 >      break;
142 >    case CONF_OPER:
143 >      return &oconf_items;
144 >      break;
145 >    case CONF_SERVER:
146 >      return &server_items;
147 >      break;
148 >    case CONF_SERVICE:
149 >      return &service_items;
150 >      break;
151 >    case CONF_CLUSTER:
152 >      return &cluster_items;
153 >      break;
154 >    default:
155 >      return NULL;
156    }
157   }
158  
159   struct MaskItem *
160   conf_make(enum maskitem_type type)
161   {
162 <  struct MaskItem *conf = MyMalloc(sizeof(*conf));
162 >  struct MaskItem *const conf = MyCalloc(sizeof(*conf));
163    dlink_list *list = NULL;
164  
165    conf->type   = type;
# Line 163 | Line 174 | conf_make(enum maskitem_type type)
174   void
175   conf_free(struct MaskItem *conf)
176   {
177 <  dlink_node *ptr = NULL, *ptr_next = NULL;
177 >  dlink_node *node = NULL, *node_next = NULL;
178    dlink_list *list = NULL;
179  
180 <  if (conf->node.next)
181 <    if ((list = map_to_list(conf->type)))
171 <      dlinkDelete(&conf->node, list);
180 >  if ((list = map_to_list(conf->type)))
181 >    dlinkFindDelete(list, conf);
182  
183    MyFree(conf->name);
184  
185    if (conf->dns_pending)
186      delete_resolver_queries(conf);
187 <  if (conf->passwd != NULL)
187 >  if (conf->passwd)
188      memset(conf->passwd, 0, strlen(conf->passwd));
189 <  if (conf->spasswd != NULL)
189 >  if (conf->spasswd)
190      memset(conf->spasswd, 0, strlen(conf->spasswd));
191  
192    conf->class = NULL;
# Line 193 | Line 203 | conf_free(struct MaskItem *conf)
203    if (conf->rsa_public_key)
204      RSA_free(conf->rsa_public_key);
205   #endif
206 <  DLINK_FOREACH_SAFE(ptr, ptr_next, conf->hub_list.head)
206 >  DLINK_FOREACH_SAFE(node, node_next, conf->hub_list.head)
207    {
208 <    MyFree(ptr->data);
209 <    free_dlink_node(ptr);
208 >    MyFree(node->data);
209 >    dlinkDelete(node, &conf->hub_list);
210 >    free_dlink_node(node);
211    }
212  
213 <  DLINK_FOREACH_SAFE(ptr, ptr_next, conf->leaf_list.head)
213 >  DLINK_FOREACH_SAFE(node, node_next, conf->leaf_list.head)
214    {
215 <    MyFree(ptr->data);
216 <    free_dlink_node(ptr);
215 >    MyFree(node->data);
216 >    dlinkDelete(node, &conf->leaf_list);
217 >    free_dlink_node(node);
218    }
219  
220 <  DLINK_FOREACH_SAFE(ptr, ptr_next, conf->exempt_list.head)
220 >  DLINK_FOREACH_SAFE(node, node_next, conf->exempt_list.head)
221    {
222 <    struct exempt *exptr = ptr->data;
222 >    struct exempt *exptr = node->data;
223  
224 +    dlinkDelete(node, &conf->exempt_list);
225      MyFree(exptr->name);
226      MyFree(exptr->user);
227      MyFree(exptr->host);
# Line 218 | Line 231 | conf_free(struct MaskItem *conf)
231    MyFree(conf);
232   }
233  
234 < /* check_client()
234 > /* attach_iline()
235   *
236 < * inputs       - pointer to client
237 < * output       - 0 = Success
238 < *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
239 < *                IRCD_SOCKET_ERROR (-2) = Bad socket.
227 < *                I_LINE_FULL       (-3) = I-line is full
228 < *                TOO_MANY          (-4) = Too many connections from hostname
229 < *                BANNED_CLIENT     (-5) = K-lined
230 < * side effects - Ordinary client access check.
231 < *                Look for conf lines which have the same
232 < *                status as the flags passed.
236 > * inputs       - client pointer
237 > *              - conf pointer
238 > * output       -
239 > * side effects - do actual attach
240   */
241 < int
242 < check_client(struct Client *source_p)
241 > static int
242 > attach_iline(struct Client *client_p, struct MaskItem *conf)
243   {
244 <  int i;
245 <
246 <  if ((i = verify_access(source_p)))
247 <    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
241 <         source_p->name, source_p->sockhost);
242 <
243 <  switch (i)
244 <  {
245 <    case TOO_MANY:
246 <      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
247 <                           "Too many on IP for %s (%s).",
248 <                           get_client_name(source_p, SHOW_IP),
249 <                           source_p->sockhost);
250 <      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
251 <           get_client_name(source_p, SHOW_IP));
252 <      ++ServerStats.is_ref;
253 <      exit_client(source_p, &me, "No more connections allowed on that IP");
254 <      break;
244 >  const struct ClassItem *const class = conf->class;
245 >  struct ip_entry *ip_found;
246 >  int a_limit_reached = 0;
247 >  unsigned int local = 0, global = 0, ident = 0;
248  
249 <    case I_LINE_FULL:
250 <      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
251 <                           "auth{} block is full for %s (%s).",
259 <                           get_client_name(source_p, SHOW_IP),
260 <                           source_p->sockhost);
261 <      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
262 <           get_client_name(source_p, SHOW_IP));
263 <      ++ServerStats.is_ref;
264 <      exit_client(source_p, &me,
265 <                  "No more connections allowed in your connection class");
266 <      break;
249 >  ip_found = ipcache_find_or_add_address(&client_p->connection->ip);
250 >  ip_found->count++;
251 >  AddFlag(client_p, FLAGS_IPHASH);
252  
253 <    case NOT_AUTHORIZED:
254 <      ++ServerStats.is_ref;
270 <      /* jdc - lists server name & port connections are on */
271 <      /*       a purely cosmetical change */
272 <      sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
273 <                           "Unauthorized client connection from %s [%s] on [%s/%u].",
274 <                           get_client_name(source_p, SHOW_IP),
275 <                           source_p->sockhost,
276 <                           source_p->localClient->listener->name,
277 <                           source_p->localClient->listener->port);
278 <      ilog(LOG_TYPE_IRCD,
279 <           "Unauthorized client connection from %s on [%s/%u].",
280 <           get_client_name(source_p, SHOW_IP),
281 <           source_p->localClient->listener->name,
282 <           source_p->localClient->listener->port);
253 >  count_user_host(client_p->username, client_p->host,
254 >                  &global, &local, &ident);
255  
256 <      exit_client(source_p, &me, "You are not authorized to use this server");
257 <      break;
256 >  /* XXX blah. go down checking the various silly limits
257 >   * setting a_limit_reached if any limit is reached.
258 >   * - Dianora
259 >   */
260 >  if (class->max_total && class->ref_count >= class->max_total)
261 >    a_limit_reached = 1;
262 >  else if (class->max_perip && ip_found->count > class->max_perip)
263 >    a_limit_reached = 1;
264 >  else if (class->max_local && local >= class->max_local)
265 >    a_limit_reached = 1;
266 >  else if (class->max_global && global >= class->max_global)
267 >    a_limit_reached = 1;
268 >  else if (class->max_ident && ident >= class->max_ident &&
269 >           client_p->username[0] != '~')
270 >    a_limit_reached = 1;
271  
272 <   case BANNED_CLIENT:
273 <     exit_client(source_p, &me, "Banned");
274 <     ++ServerStats.is_ref;
275 <     break;
272 >  if (a_limit_reached)
273 >  {
274 >    if (!IsConfExemptLimits(conf))
275 >      return TOO_MANY;   /* Already at maximum allowed */
276  
277 <   case 0:
278 <   default:
294 <     break;
277 >    sendto_one_notice(client_p, &me, ":*** Your connection class is full, "
278 >                      "but you have exceed_limit = yes;");
279    }
280  
281 <  return (i < 0 ? 0 : 1);
281 >  return attach_conf(client_p, conf);
282   }
283  
284   /* verify_access()
285   *
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.
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 int
291   verify_access(struct Client *client_p)
292   {
293    struct MaskItem *conf = NULL;
294 <  char non_ident[USERLEN + 1] = { '~', '\0' };
294 >  char non_ident[USERLEN + 1] = "~";
295  
296    if (IsGotId(client_p))
297    {
298      conf = find_address_conf(client_p->host, client_p->username,
299 <                             &client_p->localClient->ip,
300 <                             client_p->localClient->aftype,
301 <                             client_p->localClient->passwd);
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->localClient->ip,
308 <                             client_p->localClient->aftype,
309 <                             client_p->localClient->passwd);
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 (conf != NULL)
312 >  if (conf)
313    {
314      if (IsConfClient(conf))
315      {
316        if (IsConfRedir(conf))
317        {
318 <        sendto_one(client_p, form_str(RPL_REDIR),
319 <                   me.name, client_p->name,
320 <                   conf->name ? conf->name : "",
337 <                   conf->port);
318 >        sendto_one_numeric(client_p, &me, RPL_REDIR,
319 >                           conf->name ? conf->name : "",
320 >                           conf->port);
321          return NOT_AUTHORIZED;
322        }
323  
341      if (IsConfDoIdentd(conf))
342        SetNeedId(client_p);
343
324        /* Thanks for spoof idea amm */
325        if (IsConfDoSpoofIp(conf))
326        {
327 <        if (!ConfigFileEntry.hide_spoof_ips && IsConfSpoofNotice(conf))
328 <          sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
349 <                               "%s spoofing: %s as %s",
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          strlcpy(client_p->host, conf->name, sizeof(client_p->host));
352        AddFlag(client_p, FLAGS_IP_SPOOFING | FLAGS_AUTH_SPOOF);
332        }
333  
334        return attach_iline(client_p, conf);
335      }
336 <    else if (IsConfKill(conf) || (ConfigFileEntry.glines && IsConfGline(conf)))
336 >    else if (IsConfKill(conf) || (ConfigGeneral.glines && IsConfGline(conf)))
337      {
338        if (IsConfGline(conf))
339 <        sendto_one(client_p, ":%s NOTICE %s :*** G-lined", me.name,
340 <                   client_p->name);
341 <      sendto_one(client_p, ":%s NOTICE %s :*** Banned: %s",
363 <                 me.name, client_p->name, conf->reason);
339 >        sendto_one_notice(client_p, &me, ":*** G-lined");
340 >
341 >      sendto_one_notice(client_p, &me, ":*** Banned: %s", conf->reason);
342        return BANNED_CLIENT;
343      }
344    }
# Line 368 | Line 346 | verify_access(struct Client *client_p)
346    return NOT_AUTHORIZED;
347   }
348  
349 < /* attach_iline()
372 < *
373 < * inputs       - client pointer
374 < *              - conf pointer
375 < * output       -
376 < * side effects - do actual attach
377 < */
378 < static int
379 < attach_iline(struct Client *client_p, struct MaskItem *conf)
380 < {
381 <  struct ClassItem *class = NULL;
382 <  struct ip_entry *ip_found;
383 <  int a_limit_reached = 0;
384 <  unsigned int local = 0, global = 0, ident = 0;
385 <
386 <  assert(conf->class);
387 <
388 <  ip_found = find_or_add_ip(&client_p->localClient->ip);
389 <  ip_found->count++;
390 <  SetIpHash(client_p);
391 <
392 <  class = conf->class;
393 <
394 <  count_user_host(client_p->username, client_p->host,
395 <                  &global, &local, &ident);
396 <
397 <  /* XXX blah. go down checking the various silly limits
398 <   * setting a_limit_reached if any limit is reached.
399 <   * - Dianora
400 <   */
401 <  if (class->max_total != 0 && class->ref_count >= class->max_total)
402 <    a_limit_reached = 1;
403 <  else if (class->max_perip != 0 && ip_found->count > class->max_perip)
404 <    a_limit_reached = 1;
405 <  else if (class->max_local != 0 && local >= class->max_local)
406 <    a_limit_reached = 1;
407 <  else if (class->max_global != 0 && global >= class->max_global)
408 <    a_limit_reached = 1;
409 <  else if (class->max_ident != 0 && ident >= class->max_ident &&
410 <           client_p->username[0] != '~')
411 <    a_limit_reached = 1;
412 <
413 <  if (a_limit_reached)
414 <  {
415 <    if (!IsConfExemptLimits(conf))
416 <      return TOO_MANY;   /* Already at maximum allowed */
417 <
418 <    sendto_one(client_p,
419 <               ":%s NOTICE %s :*** Your connection class is full, "
420 <               "but you have exceed_limit = yes;", me.name, client_p->name);
421 <  }
422 <
423 <  return attach_conf(client_p, conf);
424 < }
425 <
426 < /* init_ip_hash_table()
427 < *
428 < * inputs               - NONE
429 < * output               - NONE
430 < * side effects         - allocate memory for ip_entry(s)
431 < *                      - clear the ip hash table
432 < */
433 < void
434 < init_ip_hash_table(void)
435 < {
436 <  ip_entry_pool = mp_pool_new(sizeof(struct ip_entry), MP_CHUNK_SIZE_IP_ENTRY);
437 <  memset(ip_hash_table, 0, sizeof(ip_hash_table));
438 < }
439 <
440 < /* find_or_add_ip()
441 < *
442 < * inputs       - pointer to struct irc_ssaddr
443 < * output       - pointer to a struct ip_entry
444 < * side effects -
349 > /* check_client()
350   *
351 < * If the ip # was not found, a new struct ip_entry is created, and the ip
352 < * count set to 0.
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 < static struct ip_entry *
363 < find_or_add_ip(struct irc_ssaddr *ip_in)
362 > int
363 > check_client(struct Client *source_p)
364   {
365 <  struct ip_entry *ptr, *newptr;
453 <  int hash_index = hash_ip(ip_in), res;
454 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
455 < #ifdef IPV6
456 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
457 < #endif
458 <
459 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
460 <  {
461 < #ifdef IPV6
462 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
463 <      continue;
464 <    if (ip_in->ss.ss_family == AF_INET6)
465 <    {
466 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
467 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
468 <    }
469 <    else
470 < #endif
471 <    {
472 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
473 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
474 <    }
475 <    if (res == 0)
476 <    {
477 <      /* Found entry already in hash, return it. */
478 <      return ptr;
479 <    }
480 <  }
481 <
482 <  if (ip_entries_count >= 2 * hard_fdlimit)
483 <    garbage_collect_ip_entries();
484 <
485 <  newptr = mp_pool_get(ip_entry_pool);
486 <  memset(newptr, 0, sizeof(*newptr));
487 <  ip_entries_count++;
488 <  memcpy(&newptr->ip, ip_in, sizeof(struct irc_ssaddr));
489 <
490 <  newptr->next = ip_hash_table[hash_index];
491 <  ip_hash_table[hash_index] = newptr;
492 <
493 <  return newptr;
494 < }
365 >  int i;
366  
367 < /* remove_one_ip()
368 < *
369 < * inputs        - unsigned long IP address value
499 < * output        - NONE
500 < * side effects  - The ip address given, is looked up in ip hash table
501 < *                 and number of ip#'s for that ip decremented.
502 < *                 If ip # count reaches 0 and has expired,
503 < *                 the struct ip_entry is returned to the ip_entry_heap
504 < */
505 < void
506 < remove_one_ip(struct irc_ssaddr *ip_in)
507 < {
508 <  struct ip_entry *ptr;
509 <  struct ip_entry *last_ptr = NULL;
510 <  int hash_index = hash_ip(ip_in), res;
511 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
512 < #ifdef IPV6
513 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
514 < #endif
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 (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
371 >  switch (i)
372    {
373 < #ifdef IPV6
374 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
375 <      continue;
376 <    if (ip_in->ss.ss_family == AF_INET6)
377 <    {
378 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
379 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
380 <    }
381 <    else
382 < #endif
528 <    {
529 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
530 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
531 <    }
532 <    if (res)
533 <      continue;
534 <    if (ptr->count > 0)
535 <      ptr->count--;
536 <    if (ptr->count == 0 &&
537 <        (CurrentTime-ptr->last_attempt) >= ConfigFileEntry.throttle_time)
538 <    {
539 <      if (last_ptr != NULL)
540 <        last_ptr->next = ptr->next;
541 <      else
542 <        ip_hash_table[hash_index] = ptr->next;
543 <
544 <      mp_pool_release(ptr);
545 <      ip_entries_count--;
546 <      return;
547 <    }
548 <    last_ptr = ptr;
549 <  }
550 < }
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 < /* hash_ip()
385 < *
386 < * input        - pointer to an irc_inaddr
387 < * output       - integer value used as index into hash table
388 < * side effects - hopefully, none
389 < */
390 < static int
391 < hash_ip(struct irc_ssaddr *addr)
392 < {
393 <  if (addr->ss.ss_family == AF_INET)
562 <  {
563 <    struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
564 <    int hash;
565 <    uint32_t ip;
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 <    ip   = ntohl(v4->sin_addr.s_addr);
396 <    hash = ((ip >> 12) + ip) & (IP_HASH_SIZE-1);
397 <    return hash;
398 <  }
399 < #ifdef IPV6
400 <  else
401 <  {
402 <    int hash;
403 <    struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr;
404 <    uint32_t *ip = (uint32_t *)&v6->sin6_addr.s6_addr;
405 <
406 <    hash  = ip[0] ^ ip[3];
407 <    hash ^= hash >> 16;  
580 <    hash ^= hash >> 8;  
581 <    hash  = hash & (IP_HASH_SIZE - 1);
582 <    return hash;
583 <  }
584 < #else
585 <  return 0;
586 < #endif
587 < }
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 < /* count_ip_hash()
410 < *
411 < * inputs        - pointer to counter of number of ips hashed
592 < *               - pointer to memory used for ip hash
593 < * output        - returned via pointers input
594 < * side effects  - NONE
595 < *
596 < * number of hashed ip #'s is counted up, plus the amount of memory
597 < * used in the hash.
598 < */
599 < void
600 < count_ip_hash(unsigned int *number_ips_stored, uint64_t *mem_ips_stored)
601 < {
602 <  struct ip_entry *ptr;
603 <  int i;
409 >      ++ServerStats.is_ref;
410 >      exit_client(source_p, "You are not authorized to use this server");
411 >      break;
412  
413 <  *number_ips_stored = 0;
414 <  *mem_ips_stored    = 0;
413 >    case BANNED_CLIENT:
414 >      ++ServerStats.is_ref;
415 >      exit_client(source_p, "Banned");
416 >      break;
417  
418 <  for (i = 0; i < IP_HASH_SIZE; i++)
419 <  {
420 <    for (ptr = ip_hash_table[i]; ptr; ptr = ptr->next)
611 <    {
612 <      *number_ips_stored += 1;
613 <      *mem_ips_stored += sizeof(struct ip_entry);
614 <    }
418 >    case 0:
419 >    default:
420 >      break;
421    }
616 }
422  
423 < /* garbage_collect_ip_entries()
619 < *
620 < * input        - NONE
621 < * output       - NONE
622 < * side effects - free up all ip entries with no connections
623 < */
624 < static void
625 < garbage_collect_ip_entries(void)
626 < {
627 <  struct ip_entry *ptr;
628 <  struct ip_entry *last_ptr;
629 <  struct ip_entry *next_ptr;
630 <  int i;
631 <
632 <  for (i = 0; i < IP_HASH_SIZE; i++)
633 <  {
634 <    last_ptr = NULL;
635 <
636 <    for (ptr = ip_hash_table[i]; ptr; ptr = next_ptr)
637 <    {
638 <      next_ptr = ptr->next;
639 <
640 <      if (ptr->count == 0 &&
641 <          (CurrentTime - ptr->last_attempt) >= ConfigFileEntry.throttle_time)
642 <      {
643 <        if (last_ptr != NULL)
644 <          last_ptr->next = ptr->next;
645 <        else
646 <          ip_hash_table[i] = ptr->next;
647 <        mp_pool_release(ptr);
648 <        ip_entries_count--;
649 <      }
650 <      else
651 <        last_ptr = ptr;
652 <    }
653 <  }
423 >  return !(i < 0);
424   }
425  
426   /* detach_conf()
# Line 664 | Line 434 | garbage_collect_ip_entries(void)
434   void
435   detach_conf(struct Client *client_p, enum maskitem_type type)
436   {
437 <  dlink_node *ptr = NULL, *next_ptr = NULL;
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 <    struct MaskItem *conf = ptr->data;
441 >    struct MaskItem *conf = node->data;
442  
443      assert(conf->type & (CONF_CLIENT | CONF_OPER | CONF_SERVER));
444      assert(conf->ref_count > 0);
# Line 677 | Line 447 | detach_conf(struct Client *client_p, enu
447      if (!(conf->type & type))
448        continue;
449  
450 <    dlinkDelete(ptr, &client_p->localClient->confs);
451 <    free_dlink_node(ptr);
450 >    dlinkDelete(node, &client_p->connection->confs);
451 >    free_dlink_node(node);
452  
453      if (conf->type == CONF_CLIENT)
454 <      remove_from_cidr_check(&client_p->localClient->ip, conf->class);
454 >      remove_from_cidr_check(&client_p->connection->ip, conf->class);
455  
456      if (--conf->class->ref_count == 0 && conf->class->active == 0)
457      {
# Line 707 | Line 477 | detach_conf(struct Client *client_p, enu
477   int
478   attach_conf(struct Client *client_p, struct MaskItem *conf)
479   {
480 <  if (dlinkFind(&client_p->localClient->confs, conf) != NULL)
480 >  if (dlinkFind(&client_p->connection->confs, conf))
481      return 1;
482  
483    if (conf->type == CONF_CLIENT)
484      if (cidr_limit_reached(IsConfExemptLimits(conf),
485 <                           &client_p->localClient->ip, conf->class))
485 >                           &client_p->connection->ip, conf->class))
486        return TOO_MANY;    /* Already at maximum allowed */
487  
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 735 | Line 505 | int
505   attach_connect_block(struct Client *client_p, const char *name,
506                       const char *host)
507   {
508 <  dlink_node *ptr;
739 <  struct MaskItem *conf = NULL;
740 <
741 <  assert(client_p != NULL);
742 <  assert(host != NULL);
508 >  dlink_node *node = NULL;
509  
510 <  if (client_p == NULL || host == NULL)
745 <    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;
514 >    struct MaskItem *conf = node->data;
515  
516      if (match(conf->name, name) || match(conf->host, host))
517        continue;
# Line 770 | Line 535 | attach_connect_block(struct Client *clie
535   struct MaskItem *
536   find_conf_name(dlink_list *list, const char *name, enum maskitem_type type)
537   {
538 <  dlink_node *ptr;
774 <  struct MaskItem* 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)))
784 <      return conf;
546 >      if (conf->name && !irccmp(conf->name, name))
547 >        return conf;
548      }
549    }
550  
551    return NULL;
552   }
553  
791 /* map_to_list()
792 *
793 * inputs       - ConfType conf
794 * output       - pointer to dlink_list to use
795 * side effects - none
796 */
797 static dlink_list *
798 map_to_list(enum maskitem_type type)
799 {
800  switch(type)
801  {
802  case CONF_XLINE:
803    return(&xconf_items);
804    break;
805  case CONF_ULINE:
806    return(&uconf_items);
807    break;
808  case CONF_NRESV:
809    return(&nresv_items);
810    break;
811  case CONF_CRESV:
812    return(&cresv_items);
813  case CONF_OPER:
814    return(&oconf_items);
815    break;
816  case CONF_SERVER:
817    return(&server_items);
818    break;
819  case CONF_SERVICE:
820    return(&service_items);
821    break;
822  case CONF_CLUSTER:
823    return(&cluster_items);
824    break;
825  default:
826    return NULL;
827  }
828 }
829
554   /* find_matching_name_conf()
555   *
556   * inputs       - type of link list to look in
# Line 841 | Line 565 | 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 *ptr=NULL;
569 <  struct MaskItem *conf=NULL;
570 <  dlink_list *list_p = map_to_list(type);
568 >  dlink_node *node = NULL;
569 >  dlink_list *list = map_to_list(type);
570 >  struct MaskItem *conf = NULL;
571  
572    switch (type)
573    {
574    case CONF_SERVICE:
575 <    DLINK_FOREACH(ptr, list_p->head)
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;
# Line 863 | Line 587 | find_matching_name_conf(enum maskitem_ty
587    case CONF_ULINE:
588    case CONF_NRESV:
589    case CONF_CRESV:
590 <    DLINK_FOREACH(ptr, list_p->head)
590 >    DLINK_FOREACH(node, list->head)
591      {
592 <      conf = ptr->data;
592 >      conf = node->data;
593  
594        if (EmptyString(conf->name))
595          continue;
596 <      if ((name != NULL) && !match(conf->name, name))
596 >      if (name && !match(conf->name, name))
597        {
598          if ((user == NULL && (host == NULL)))
599            return conf;
# Line 884 | Line 608 | find_matching_name_conf(enum maskitem_ty
608        break;
609  
610    case CONF_SERVER:
611 <    DLINK_FOREACH(ptr, list_p->head)
611 >    DLINK_FOREACH(node, list->head)
612      {
613 <      conf = ptr->data;
613 >      conf = node->data;
614  
615 <      if ((name != NULL) && !match(name, conf->name))
615 >      if (name && !match(name, conf->name))
616          return conf;
617 <      else if ((host != NULL) && !match(host, conf->host))
617 >      if (host && !match(host, conf->host))
618          return conf;
619      }
620      break;
621 <  
621 >
622    default:
623      break;
624    }
# Line 914 | Line 638 | 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 MaskItem *conf;
643 <  dlink_list *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    {
# Line 925 | Line 649 | find_exact_name_conf(enum maskitem_type
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;
654 >      conf = node->data;
655  
656        if (EmptyString(conf->name))
657          continue;
658 <    
658 >
659        if (irccmp(conf->name, name) == 0)
660        {
661          if ((user == NULL && (host == NULL)))
# Line 945 | Line 669 | find_exact_name_conf(enum maskitem_type
669      break;
670  
671    case CONF_OPER:
672 <    DLINK_FOREACH(ptr, list_p->head)
672 >    DLINK_FOREACH(node, list->head)
673      {
674 <      conf = ptr->data;
674 >      conf = node->data;
675  
676        if (EmptyString(conf->name))
677          continue;
# Line 968 | Line 692 | find_exact_name_conf(enum maskitem_type
692                    return conf;
693                break;
694              case HM_IPV4:
695 <              if (who->localClient->aftype == AF_INET)
696 <                if (match_ipv4(&who->localClient->ip, &conf->addr, conf->bits))
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;
976 #ifdef IPV6
700              case HM_IPV6:
701 <              if (who->localClient->aftype == AF_INET6)
702 <                if (match_ipv6(&who->localClient->ip, &conf->addr, conf->bits))
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;
983 #endif
706              default:
707                assert(0);
708            }
# Line 991 | Line 713 | find_exact_name_conf(enum maskitem_type
713      break;
714  
715    case CONF_SERVER:
716 <    DLINK_FOREACH(ptr, list_p->head)
716 >    DLINK_FOREACH(node, list->head)
717      {
718 <      conf = ptr->data;
718 >      conf = node->data;
719  
720        if (EmptyString(conf->name))
721          continue;
722 <    
722 >
723        if (name == NULL)
724        {
725          if (EmptyString(conf->host))
# Line 1018 | Line 740 | find_exact_name_conf(enum maskitem_type
740    return NULL;
741   }
742  
1021 /* rehash()
1022 *
1023 * Actual REHASH service routine. Called with sig == 0 if it has been called
1024 * as a result of an operator issuing this command, else assume it has been
1025 * called as a result of the server receiving a HUP signal.
1026 */
1027 int
1028 rehash(int sig)
1029 {
1030  if (sig != 0)
1031    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1032                         "Got signal SIGHUP, reloading ircd.conf file");
1033
1034  restart_resolver();
1035
1036  /* don't close listeners until we know we can go ahead with the rehash */
1037
1038  /* Check to see if we magically got(or lost) IPv6 support */
1039  check_can_use_v6();
1040
1041  read_conf_files(0);
1042
1043  if (ServerInfo.description != NULL)
1044    strlcpy(me.info, ServerInfo.description, sizeof(me.info));
1045
1046  load_conf_modules();
1047
1048  rehashed_klines = 1;
1049
1050  return 0;
1051 }
1052
743   /* set_default_conf()
744   *
745   * inputs       - NONE
# Line 1068 | Line 758 | set_default_conf(void)
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 >  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 <  /* ServerInfo.name is not rehashable */
782 <  /* ServerInfo.name = ServerInfo.name; */
783 <  ServerInfo.description = NULL;
784 <  ServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
785 <  ServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
786 <
787 <  memset(&ServerInfo.ip, 0, sizeof(ServerInfo.ip));
788 <  ServerInfo.specific_ipv4_vhost = 0;
789 <  memset(&ServerInfo.ip6, 0, sizeof(ServerInfo.ip6));
790 <  ServerInfo.specific_ipv6_vhost = 0;
791 <
792 <  ServerInfo.max_clients = MAXCLIENTS_MAX;
793 <  ServerInfo.max_nick_length = 9;
794 <  ServerInfo.max_topic_length = 80;
795 <
796 <  ServerInfo.hub = 0;
797 <  ServerInfo.dns_host.sin_addr.s_addr = 0;
798 <  ServerInfo.dns_host.sin_port = 0;
799 <  AdminInfo.name = NULL;
1094 <  AdminInfo.email = NULL;
1095 <  AdminInfo.description = NULL;
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    log_del_all();
802  
803 <  ConfigLoggingEntry.use_logging = 1;
803 >  ConfigLog.use_logging = 1;
804  
805    ConfigChannel.disable_fake_channels = 0;
806 <  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 = 25;
1105 <  ConfigChannel.max_chans_per_oper = 50;
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 1118 | Line 824 | set_default_conf(void)
824    ConfigServerHide.hide_server_ips = 0;
825    ConfigServerHide.disable_remote_commands = 0;
826  
827 <  
828 <  ConfigFileEntry.service_name = xstrdup(SERVICE_NAME_DEFAULT);
829 <  ConfigFileEntry.max_watch = WATCHSIZE_DEFAULT;
830 <  ConfigFileEntry.cycle_on_host_change = 1;
831 <  ConfigFileEntry.glines = 0;
832 <  ConfigFileEntry.gline_time = 12 * 3600;
833 <  ConfigFileEntry.gline_request_time = GLINE_REQUEST_EXPIRE_DEFAULT;
834 <  ConfigFileEntry.gline_min_cidr = 16;
835 <  ConfigFileEntry.gline_min_cidr6 = 48;
836 <  ConfigFileEntry.invisible_on_connect = 1;
837 <  ConfigFileEntry.tkline_expire_notices = 1;
838 <  ConfigFileEntry.hide_spoof_ips = 1;
839 <  ConfigFileEntry.ignore_bogus_ts = 0;
840 <  ConfigFileEntry.disable_auth = 0;
841 <  ConfigFileEntry.kill_chase_time_limit = 90;
842 <  ConfigFileEntry.default_floodcount = 8;
843 <  ConfigFileEntry.failed_oper_notice = 1;
844 <  ConfigFileEntry.dots_in_ident = 0;
845 <  ConfigFileEntry.min_nonwildcard = 4;
846 <  ConfigFileEntry.min_nonwildcard_simple = 3;
847 <  ConfigFileEntry.max_accept = 20;
848 <  ConfigFileEntry.anti_nick_flood = 0;
849 <  ConfigFileEntry.max_nick_time = 20;
850 <  ConfigFileEntry.max_nick_changes = 5;
851 <  ConfigFileEntry.anti_spam_exit_message_time = 0;
852 <  ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
853 <  ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
854 <  ConfigFileEntry.warn_no_nline = 1;
855 <  ConfigFileEntry.stats_o_oper_only = 0;
856 <  ConfigFileEntry.stats_k_oper_only = 1;  /* masked */
857 <  ConfigFileEntry.stats_i_oper_only = 1;  /* masked */
858 <  ConfigFileEntry.stats_P_oper_only = 0;
859 <  ConfigFileEntry.stats_u_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.max_targets = MAX_TARGETS_DEFAULT;
870 <  ConfigFileEntry.oper_only_umodes = UMODE_DEBUG;
871 <  ConfigFileEntry.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE |
872 <    UMODE_OPERWALL | UMODE_WALLOP;
1167 <  ConfigFileEntry.use_egd = 0;
1168 <  ConfigFileEntry.egdpool_path = NULL;
1169 <  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_o_oper_only = 0;
856 >  ConfigGeneral.stats_k_oper_only = 1;  /* 1 = masked */
857 >  ConfigGeneral.stats_i_oper_only = 1;  /* 1 = masked */
858 >  ConfigGeneral.stats_P_oper_only = 0;
859 >  ConfigGeneral.stats_u_oper_only = 0;
860 >  ConfigGeneral.caller_id_wait = 60;
861 >  ConfigGeneral.opers_bypass_callerid = 0;
862 >  ConfigGeneral.pace_wait = 10;
863 >  ConfigGeneral.pace_wait_simple = 1;
864 >  ConfigGeneral.short_motd = 0;
865 >  ConfigGeneral.ping_cookie = 0;
866 >  ConfigGeneral.no_oper_flood = 0;
867 >  ConfigGeneral.oper_pass_resv = 1;
868 >  ConfigGeneral.max_targets = MAX_TARGETS_DEFAULT;
869 >  ConfigGeneral.oper_only_umodes = UMODE_DEBUG;
870 >  ConfigGeneral.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE | UMODE_WALLOP;
871 >  ConfigGeneral.throttle_count = 1;
872 >  ConfigGeneral.throttle_time = 1;
873   }
874  
875   static void
876   validate_conf(void)
877   {
878 <  if (ConfigFileEntry.ts_warn_delta < TS_WARN_DELTA_MIN)
879 <    ConfigFileEntry.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
1177 <
1178 <  if (ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
1179 <    ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_DEFAULT;
878 >  if (ConfigGeneral.ts_warn_delta < TS_WARN_DELTA_MIN)
879 >    ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
880  
881 <  if (ServerInfo.network_name == NULL)
882 <    ServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
881 >  if (ConfigGeneral.ts_max_delta < TS_MAX_DELTA_MIN)
882 >    ConfigGeneral.ts_max_delta = TS_MAX_DELTA_DEFAULT;
883  
884 <  if (ServerInfo.network_desc == NULL)
885 <    ServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
884 >  if (ConfigServerInfo.network_name == NULL)
885 >    ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
886  
887 <  if (ConfigFileEntry.service_name == NULL)
888 <    ConfigFileEntry.service_name = xstrdup(SERVICE_NAME_DEFAULT);
887 >  if (ConfigServerInfo.network_desc == NULL)
888 >    ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
889  
890 <  ConfigFileEntry.max_watch = IRCD_MAX(ConfigFileEntry.max_watch, WATCHSIZE_MIN);
890 >  ConfigGeneral.max_watch = IRCD_MAX(ConfigGeneral.max_watch, WATCHSIZE_MIN);
891   }
892  
893 < /* read_conf()
893 > /* read_conf()
894   *
895   * inputs       - file descriptor pointing to config file to use
896   * output       - None
# Line 1201 | Line 901 | read_conf(FILE *file)
901   {
902    lineno = 0;
903  
904 <  set_default_conf(); /* Set default values prior to conf parsing */
904 >  set_default_conf();  /* Set default values prior to conf parsing */
905    conf_parser_ctx.pass = 1;
906 <  yyparse();          /* pick up the classes first */
906 >  yyparse();  /* Pick up the classes first */
907  
908    rewind(file);
909  
910    conf_parser_ctx.pass = 2;
911 <  yyparse();          /* Load the values from the conf */
912 <  validate_conf();    /* Check to make sure some values are still okay. */
913 <                      /* Some global values are also loaded here. */
914 <  class_delete_marked();      /* Make sure classes are valid */
911 >  yyparse();  /* Load the values from the conf */
912 >  validate_conf();  /* Check to make sure some values are still okay. */
913 >                    /* Some global values are also loaded here. */
914 >  class_delete_marked();  /* Delete unused classes that are marked for deletion */
915 > }
916 >
917 > /* conf_rehash()
918 > *
919 > * Actual REHASH service routine. Called with sig == 0 if it has been called
920 > * as a result of an operator issuing this command, else assume it has been
921 > * called as a result of the server receiving a HUP signal.
922 > */
923 > int
924 > conf_rehash(int sig)
925 > {
926 >  if (sig)
927 >    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
928 >                         "Got signal SIGHUP, reloading configuration file(s)");
929 >
930 >  restart_resolver();
931 >
932 >  /* don't close listeners until we know we can go ahead with the rehash */
933 >
934 >  read_conf_files(0);
935 >
936 >  load_conf_modules();
937 >  check_conf_klines();
938 >
939 >  return 0;
940   }
941  
942   /* lookup_confhost()
# Line 1224 | Line 949 | lookup_confhost(struct MaskItem *conf)
949   {
950    struct addrinfo hints, *res;
951  
952 <  /* Do name lookup now on hostnames given and store the
952 >  /*
953 >   * Do name lookup now on hostnames given and store the
954     * ip numbers in conf structure.
955     */
956    memset(&hints, 0, sizeof(hints));
# Line 1241 | Line 967 | lookup_confhost(struct MaskItem *conf)
967      return;
968    }
969  
970 <  assert(res != NULL);
970 >  assert(res);
971  
972    memcpy(&conf->addr, res->ai_addr, res->ai_addrlen);
973    conf->addr.ss_len = res->ai_addrlen;
# Line 1260 | Line 986 | lookup_confhost(struct MaskItem *conf)
986   int
987   conf_connect_allowed(struct irc_ssaddr *addr, int aftype)
988   {
989 <  struct ip_entry *ip_found;
990 <  struct MaskItem *conf = find_dline_conf(addr, aftype);
989 >  struct ip_entry *ip_found = NULL;
990 >  struct MaskItem *const conf = find_dline_conf(addr, aftype);
991  
992    /* DLINE exempt also gets you out of static limits/pacing... */
993    if (conf && (conf->type == CONF_EXEMPT))
994      return 0;
995  
996 <  if (conf != NULL)
996 >  if (conf)
997      return BANNED_CLIENT;
998  
999 <  ip_found = find_or_add_ip(addr);
999 >  ip_found = ipcache_find_or_add_address(addr);
1000  
1001 <  if ((CurrentTime - ip_found->last_attempt) <
1276 <      ConfigFileEntry.throttle_time)
1001 >  if ((CurrentTime - ip_found->last_attempt) < ConfigGeneral.throttle_time)
1002    {
1003 <    ip_found->last_attempt = CurrentTime;
1004 <    return TOO_FAST;
1003 >    if (ip_found->connection_count >= ConfigGeneral.throttle_count)
1004 >      return TOO_FAST;
1005 >
1006 >    ++ip_found->connection_count;
1007    }
1008 +  else
1009 +    ip_found->connection_count = 1;
1010  
1011    ip_found->last_attempt = CurrentTime;
1012    return 0;
1013   }
1014  
1286 /* cleanup_tklines()
1287 *
1288 * inputs       - NONE
1289 * output       - NONE
1290 * side effects - call function to expire temporary k/d lines
1291 *                This is an event started off in ircd.c
1292 */
1293 void
1294 cleanup_tklines(void *notused)
1295 {
1296  hostmask_expire_temporary();
1297  expire_tklines(&xconf_items);
1298  expire_tklines(&nresv_items);
1299  expire_tklines(&cresv_items);
1300 }
1301
1015   /* expire_tklines()
1016   *
1017   * inputs       - tkline list pointer
# Line 1306 | Line 1019 | cleanup_tklines(void *notused)
1019   * side effects - expire tklines
1020   */
1021   static void
1022 < expire_tklines(dlink_list *tklist)
1022 > expire_tklines(dlink_list *list)
1023   {
1024 <  dlink_node *ptr;
1312 <  dlink_node *next_ptr;
1313 <  struct MaskItem *conf;
1024 >  dlink_node *node = NULL, *node_next = NULL;
1025  
1026 <  DLINK_FOREACH_SAFE(ptr, next_ptr, tklist->head)
1026 >  DLINK_FOREACH_SAFE(node, node_next, list->head)
1027    {
1028 <    conf = ptr->data;
1028 >    struct MaskItem *conf = node->data;
1029  
1030      if (!conf->until || conf->until > CurrentTime)
1031        continue;
1032  
1033      if (conf->type == CONF_XLINE)
1034      {
1035 <      if (ConfigFileEntry.tkline_expire_notices)
1035 >      if (ConfigGeneral.tkline_expire_notices)
1036          sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1037                                 "Temporary X-line for [%s] expired", conf->name);
1038        conf_free(conf);
1039      }
1040      else if (conf->type == CONF_NRESV || conf->type == CONF_CRESV)
1041      {
1042 <      if (ConfigFileEntry.tkline_expire_notices)
1042 >      if (ConfigGeneral.tkline_expire_notices)
1043          sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1044                                 "Temporary RESV for [%s] expired", conf->name);
1045        conf_free(conf);
# Line 1336 | Line 1047 | expire_tklines(dlink_list *tklist)
1047    }
1048   }
1049  
1050 + /* cleanup_tklines()
1051 + *
1052 + * inputs       - NONE
1053 + * output       - NONE
1054 + * side effects - call function to expire temporary k/d lines
1055 + *                This is an event started off in ircd.c
1056 + */
1057 + void
1058 + cleanup_tklines(void *unused)
1059 + {
1060 +  hostmask_expire_temporary();
1061 +  expire_tklines(&xconf_items);
1062 +  expire_tklines(&nresv_items);
1063 +  expire_tklines(&cresv_items);
1064 + }
1065 +
1066   /* oper_privs_as_string()
1067   *
1068   * inputs        - pointer to client_p
# Line 1352 | Line 1079 | static const struct oper_privs
1079    { OPER_FLAG_DIE,            'D' },
1080    { OPER_FLAG_GLINE,          'G' },
1081    { OPER_FLAG_REHASH,         'H' },
1082 <  { OPER_FLAG_K,              'K' },
1356 <  { OPER_FLAG_OPERWALL,       'L' },
1082 >  { OPER_FLAG_KLINE,          'K' },
1083    { OPER_FLAG_KILL,           'N' },
1084    { OPER_FLAG_KILL_REMOTE,    'O' },
1085    { OPER_FLAG_CONNECT,        'P' },
# Line 1361 | Line 1087 | static const struct oper_privs
1087    { OPER_FLAG_SQUIT,          'R' },
1088    { OPER_FLAG_SQUIT_REMOTE,   'S' },
1089    { OPER_FLAG_UNKLINE,        'U' },
1090 <  { OPER_FLAG_X,              'X' },
1090 >  { OPER_FLAG_XLINE,          'X' },
1091    { 0, '\0' }
1092   };
1093  
1094   char *
1095   oper_privs_as_string(const unsigned int port)
1096   {
1097 <  static char privs_out[16];
1097 >  static char privs_out[IRCD_BUFSIZE];
1098    char *privs_ptr = privs_out;
1373  const struct oper_privs *opriv = flag_list;
1099  
1100 <  for (; opriv->flag; ++opriv)
1100 >  for (const struct oper_privs *opriv = flag_list; opriv->flag; ++opriv)
1101    {
1102      if (port & opriv->flag)
1103        *privs_ptr++ = opriv->c;
# Line 1386 | Line 1111 | oper_privs_as_string(const unsigned int
1111   }
1112  
1113   /*
1114 < * Input: A client to find the active oper{} name for.
1114 > * Input: A client to find the active operator {} name for.
1115   * Output: The nick!user@host{oper} of the oper.
1116   *         "oper" is server name for remote opers
1117   * Side effects: None.
# Line 1394 | Line 1119 | oper_privs_as_string(const unsigned int
1119   const char *
1120   get_oper_name(const struct Client *client_p)
1121   {
1397  dlink_node *cnode = NULL;
1122    /* +5 for !,@,{,} and null */
1123    static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1124  
1125 +  if (IsServer(client_p))
1126 +    return client_p->name;
1127 +
1128    if (MyConnect(client_p))
1129    {
1130 <    if ((cnode = client_p->localClient->confs.head))
1130 >    const dlink_node *const node = client_p->connection->confs.head;
1131 >
1132 >    if (node)
1133      {
1134 <      struct MaskItem *conf = cnode->data;
1134 >      const struct MaskItem *const conf = node->data;
1135  
1136 <      if (IsConfOperator(conf))
1136 >      if (conf->type == CONF_OPER)
1137        {
1138          snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1139                   client_p->username, client_p->host, conf->name);
# Line 1412 | Line 1141 | get_oper_name(const struct Client *clien
1141        }
1142      }
1143  
1144 <    /* Probably should assert here for now. If there is an oper out there
1145 <     * with no oper{} conf attached, it would be good for us to know...
1144 >    /*
1145 >     * Probably should assert here for now. If there is an oper out there
1146 >     * with no operator {} conf attached, it would be good for us to know...
1147       */
1148 <    assert(0); /* Oper without oper conf! */
1148 >    assert(0);  /* Oper without oper conf! */
1149    }
1150  
1151    snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
# Line 1423 | Line 1153 | get_oper_name(const struct Client *clien
1153    return buffer;
1154   }
1155  
1426 /* read_conf_files()
1427 *
1428 * inputs       - cold start YES or NO
1429 * output       - none
1430 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1431 */
1432 void
1433 read_conf_files(int cold)
1434 {
1435  const char *filename;
1436  char chanmodes[32];
1437  char chanlimit[32];
1438
1439  conf_parser_ctx.boot = cold;
1440  filename = ConfigFileEntry.configfile;
1441
1442  /* We need to know the initial filename for the yyerror() to report
1443     FIXME: The full path is in conffilenamebuf first time since we
1444             dont know anything else
1445
1446     - Gozem 2002-07-21
1447  */
1448  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1449
1450  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1451  {
1452    if (cold)
1453    {
1454      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1455           filename, strerror(errno));
1456      exit(-1);
1457    }
1458    else
1459    {
1460      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1461                           "Unable to read configuration file '%s': %s",
1462                           filename, strerror(errno));
1463      return;
1464    }
1465  }
1466
1467  if (!cold)
1468    clear_out_old_conf();
1469
1470  read_conf(conf_parser_ctx.conf_file);
1471  fclose(conf_parser_ctx.conf_file);
1472
1473  log_reopen_all();
1474
1475  add_isupport("NICKLEN", NULL, ServerInfo.max_nick_length);
1476  add_isupport("NETWORK", ServerInfo.network_name, -1);
1477
1478  snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans);
1479  add_isupport("MAXLIST", chanmodes, -1);
1480  add_isupport("MAXTARGETS", NULL, ConfigFileEntry.max_targets);
1481  add_isupport("CHANTYPES", "#", -1);
1482
1483  snprintf(chanlimit, sizeof(chanlimit), "#:%d",
1484           ConfigChannel.max_chans_per_user);
1485  add_isupport("CHANLIMIT", chanlimit, -1);
1486  snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,imnprstORS");
1487  add_isupport("CHANNELLEN", NULL, LOCAL_CHANNELLEN);
1488  add_isupport("TOPICLEN", NULL, ServerInfo.max_topic_length);
1489  add_isupport("CHANMODES", chanmodes, -1);
1490
1491  /*
1492   * message_locale may have changed.  rebuild isupport since it relies
1493   * on strlen(form_str(RPL_ISUPPORT))
1494   */
1495  rebuild_isupport_message_line();
1496 }
1497
1156   /* clear_out_old_conf()
1157   *
1158   * inputs       - none
# Line 1504 | Line 1162 | read_conf_files(int cold)
1162   static void
1163   clear_out_old_conf(void)
1164   {
1165 <  dlink_node *ptr = NULL, *next_ptr = NULL;
1508 <  struct MaskItem *conf;
1165 >  dlink_node *node = NULL, *node_next = NULL;
1166    dlink_list *free_items [] = {
1167      &server_items,   &oconf_items,
1168       &uconf_items,   &xconf_items,
# Line 1517 | Line 1174 | clear_out_old_conf(void)
1174    /* We only need to free anything allocated by yyparse() here.
1175     * Resetting structs, etc, is taken care of by set_default_conf().
1176     */
1177 <  
1178 <  for (; *iterator != NULL; iterator++)
1177 >
1178 >  for (; *iterator; iterator++)
1179    {
1180 <    DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
1180 >    DLINK_FOREACH_SAFE(node, node_next, (*iterator)->head)
1181      {
1182 <      conf = ptr->data;
1182 >      struct MaskItem *conf = node->data;
1183  
1184 <      dlinkDelete(&conf->node, map_to_list(conf->type));
1184 >      conf->active = 0;
1185 >      dlinkDelete(&conf->node, *iterator);
1186  
1187        /* XXX This is less than pretty */
1188        if (conf->type == CONF_SERVER || conf->type == CONF_OPER)
# Line 1555 | Line 1213 | clear_out_old_conf(void)
1213    /* clean out module paths */
1214    mod_clear_paths();
1215  
1216 <  /* clean out ServerInfo */
1217 <  MyFree(ServerInfo.description);
1218 <  ServerInfo.description = NULL;
1219 <  MyFree(ServerInfo.network_name);
1220 <  ServerInfo.network_name = NULL;
1221 <  MyFree(ServerInfo.network_desc);
1222 <  ServerInfo.network_desc = NULL;
1223 <  MyFree(ConfigFileEntry.egdpool_path);
1224 <  ConfigFileEntry.egdpool_path = NULL;
1216 >  pseudo_clear();
1217 >
1218 >  /* clean out ConfigServerInfo */
1219 >  MyFree(ConfigServerInfo.description);
1220 >  ConfigServerInfo.description = NULL;
1221 >  MyFree(ConfigServerInfo.network_name);
1222 >  ConfigServerInfo.network_name = NULL;
1223 >  MyFree(ConfigServerInfo.network_desc);
1224 >  ConfigServerInfo.network_desc = NULL;
1225   #ifdef HAVE_LIBCRYPTO
1226 <  if (ServerInfo.rsa_private_key != NULL)
1226 >  if (ConfigServerInfo.rsa_private_key)
1227    {
1228 <    RSA_free(ServerInfo.rsa_private_key);
1229 <    ServerInfo.rsa_private_key = NULL;
1228 >    RSA_free(ConfigServerInfo.rsa_private_key);
1229 >    ConfigServerInfo.rsa_private_key = NULL;
1230    }
1231  
1232 <  MyFree(ServerInfo.rsa_private_key_file);
1233 <  ServerInfo.rsa_private_key_file = NULL;
1576 <
1577 <  if (ServerInfo.server_ctx)
1578 <    SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|
1579 <                                               SSL_OP_NO_SSLv3|
1580 <                                               SSL_OP_NO_TLSv1);
1581 <  if (ServerInfo.client_ctx)
1582 <    SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|
1583 <                                               SSL_OP_NO_SSLv3|
1584 <                                               SSL_OP_NO_TLSv1);
1232 >  MyFree(ConfigServerInfo.rsa_private_key_file);
1233 >  ConfigServerInfo.rsa_private_key_file = NULL;
1234   #endif
1235  
1236 <  /* clean out AdminInfo */
1237 <  MyFree(AdminInfo.name);
1238 <  AdminInfo.name = NULL;
1239 <  MyFree(AdminInfo.email);
1240 <  AdminInfo.email = NULL;
1241 <  MyFree(AdminInfo.description);
1242 <  AdminInfo.description = NULL;
1236 >  /* clean out ConfigAdminInfo */
1237 >  MyFree(ConfigAdminInfo.name);
1238 >  ConfigAdminInfo.name = NULL;
1239 >  MyFree(ConfigAdminInfo.email);
1240 >  ConfigAdminInfo.email = NULL;
1241 >  MyFree(ConfigAdminInfo.description);
1242 >  ConfigAdminInfo.description = NULL;
1243  
1244    /* clean out listeners */
1245    close_listeners();
1246 + }
1247 +
1248 + /* read_conf_files()
1249 + *
1250 + * inputs       - cold start YES or NO
1251 + * output       - none
1252 + * side effects - read all conf files needed, ircd.conf kline.conf etc.
1253 + */
1254 + void
1255 + read_conf_files(int cold)
1256 + {
1257 +  const char *filename = NULL;
1258 +  char chanmodes[IRCD_BUFSIZE] = "";
1259 +  char chanlimit[IRCD_BUFSIZE] = "";
1260 +
1261 +  conf_parser_ctx.boot = cold;
1262 +  filename = ConfigGeneral.configfile;
1263 +
1264 +  /* We need to know the initial filename for the yyerror() to report
1265 +     FIXME: The full path is in conffilenamebuf first time since we
1266 +             don't know anything else
1267 +
1268 +     - Gozem 2002-07-21
1269 +  */
1270 +  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1271 +
1272 +  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1273 +  {
1274 +    if (cold)
1275 +    {
1276 +      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1277 +           filename, strerror(errno));
1278 +      exit(-1);
1279 +    }
1280 +    else
1281 +    {
1282 +      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1283 +                           "Unable to read configuration file '%s': %s",
1284 +                           filename, strerror(errno));
1285 +      return;
1286 +    }
1287 +  }
1288 +
1289 +  if (!cold)
1290 +    clear_out_old_conf();
1291 +
1292 +  read_conf(conf_parser_ctx.conf_file);
1293 +  fclose(conf_parser_ctx.conf_file);
1294 +
1295 +  log_reopen_all();
1296 +
1297 +  add_isupport("NICKLEN", NULL, ConfigServerInfo.max_nick_length);
1298 +  add_isupport("NETWORK", ConfigServerInfo.network_name, -1);
1299 +
1300 +  snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans);
1301 +  add_isupport("MAXLIST", chanmodes, -1);
1302 +  add_isupport("MAXTARGETS", NULL, ConfigGeneral.max_targets);
1303 +  add_isupport("CHANTYPES", "#", -1);
1304 +
1305 +  snprintf(chanlimit, sizeof(chanlimit), "#:%d",
1306 +           ConfigChannel.max_channels);
1307 +  add_isupport("CHANLIMIT", chanlimit, -1);
1308 +  snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,cimnprstMORS");
1309 +  add_isupport("CHANNELLEN", NULL, CHANNELLEN);
1310 +  add_isupport("TOPICLEN", NULL, ConfigServerInfo.max_topic_length);
1311 +  add_isupport("CHANMODES", chanmodes, -1);
1312  
1313 <  /* clean out general */
1314 <  MyFree(ConfigFileEntry.service_name);
1315 <  ConfigFileEntry.service_name = NULL;
1313 >  /*
1314 >   * message_locale may have changed.  rebuild isupport since it relies
1315 >   * on strlen(form_str(RPL_ISUPPORT))
1316 >   */
1317 >  rebuild_isupport_message_line();
1318   }
1319  
1320   /* conf_add_class_to_conf()
1321   *
1322   * inputs       - pointer to config item
1323   * output       - NONE
1324 < * side effects - Add a class pointer to a conf
1324 > * side effects - Add a class pointer to a conf
1325   */
1326   void
1327   conf_add_class_to_conf(struct MaskItem *conf, const char *class_name)
1328   {
1329 <  if (class_name == NULL)
1329 >  if (class_name == NULL)
1330    {
1331      conf->class = class_default;
1332  
1333 <    if (conf->type == CONF_CLIENT)
1333 >    if (conf->type == CONF_CLIENT || conf->type == CONF_OPER)
1334        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1335                             "Warning *** Defaulting to default class for %s@%s",
1336                             conf->user, conf->host);
# Line 1627 | Line 1344 | conf_add_class_to_conf(struct MaskItem *
1344  
1345    if (conf->class == NULL)
1346    {
1347 <    if (conf->type == CONF_CLIENT)
1347 >    if (conf->type == CONF_CLIENT || conf->type == CONF_OPER)
1348        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1349                             "Warning *** Defaulting to default class for %s@%s",
1350                             conf->user, conf->host);
# Line 1676 | Line 1393 | conf_error_report(const char *msg)
1393  
1394   /*
1395   * valid_tkline()
1396 < *
1396 > *
1397   * inputs       - pointer to ascii string to check
1398   *              - whether the specified time is in seconds or minutes
1399   * output       - -1 not enough parameters
# Line 1701 | Line 1418 | valid_tkline(const char *data, const int
1418    }
1419  
1420    /*
1421 <   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1421 >   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1422     * i.e. they specifically use 0, I am going to return 1 instead
1423     * as a return value of non-zero is used to flag it as a temporary kline
1424     */
1425    if (result == 0)
1426      result = 1;
1427  
1428 <  /*
1428 >  /*
1429     * If the incoming time is in seconds convert it to minutes for the purpose
1430     * of this calculation
1431     */
1432    if (!minutes)
1433 <    result = result / 60;
1433 >    result = result / 60;
1434  
1435    if (result > MAX_TDKLINE_TIME)
1436      result = MAX_TDKLINE_TIME;
# Line 1734 | Line 1451 | valid_wild_card_simple(const char *data)
1451   {
1452    const unsigned char *p = (const unsigned char *)data;
1453    unsigned char tmpch = '\0';
1454 <  int nonwild = 0;
1454 >  unsigned int nonwild = 0;
1455  
1456    while ((tmpch = *p++))
1457    {
1458 <    if (tmpch == '\\')
1458 >    if (tmpch == '\\' && *p)
1459      {
1460        ++p;
1461 <      if (++nonwild >= ConfigFileEntry.min_nonwildcard_simple)
1461 >      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1462          return 1;
1463      }
1464      else if (!IsMWildChar(tmpch))
1465      {
1466 <      if (++nonwild >= ConfigFileEntry.min_nonwildcard_simple)
1466 >      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1467          return 1;
1468      }
1469    }
# Line 1765 | Line 1482 | valid_wild_card_simple(const char *data)
1482   int
1483   valid_wild_card(struct Client *source_p, int warn, int count, ...)
1484   {
1485 <  char tmpch;
1486 <  int nonwild = 0;
1485 >  unsigned char tmpch = '\0';
1486 >  unsigned int nonwild = 0;
1487    va_list args;
1488  
1489    /*
# Line 1785 | Line 1502 | valid_wild_card(struct Client *source_p,
1502  
1503    while (count--)
1504    {
1505 <    const char *p = va_arg(args, const char *);
1505 >    const unsigned char *p = va_arg(args, const unsigned char *);
1506      if (p == NULL)
1507        continue;
1508  
# Line 1797 | Line 1514 | valid_wild_card(struct Client *source_p,
1514           * If we find enough non-wild characters, we can
1515           * break - no point in searching further.
1516           */
1517 <        if (++nonwild >= ConfigFileEntry.min_nonwildcard)
1517 >        if (++nonwild >= ConfigGeneral.min_nonwildcard)
1518 >        {
1519 >          va_end(args);
1520            return 1;
1521 +        }
1522        }
1523      }
1524    }
1525  
1526    if (warn)
1527 <    sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the mask",
1528 <               me.name, source_p->name, ConfigFileEntry.min_nonwildcard);
1527 >    sendto_one_notice(source_p, &me,
1528 >                      ":Please include at least %u non-wildcard characters with the mask",
1529 >                      ConfigGeneral.min_nonwildcard);
1530 >  va_end(args);
1531 >  return 0;
1532 > }
1533 >
1534 > /* find_user_host()
1535 > *
1536 > * inputs       - pointer to client placing kline
1537 > *              - pointer to user_host_or_nick
1538 > *              - pointer to user buffer
1539 > *              - pointer to host buffer
1540 > * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1541 > * side effects -
1542 > */
1543 > static int
1544 > find_user_host(struct Client *source_p, char *user_host_or_nick,
1545 >               char *luser, char *lhost, unsigned int flags)
1546 > {
1547 >  struct Client *target_p = NULL;
1548 >  char *hostp = NULL;
1549 >
1550 >  if (lhost == NULL)
1551 >  {
1552 >    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1553 >    return 1;
1554 >  }
1555 >
1556 >  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1557 >  {
1558 >    /* Explicit user@host mask given */
1559 >    if (hostp)                            /* I'm a little user@host */
1560 >    {
1561 >      *(hostp++) = '\0';                       /* short and squat */
1562 >
1563 >      if (*user_host_or_nick)
1564 >        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1565 >      else
1566 >        strcpy(luser, "*");
1567 >
1568 >      if (*hostp)
1569 >        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
1570 >      else
1571 >        strcpy(lhost, "*");
1572 >    }
1573 >    else
1574 >    {
1575 >      luser[0] = '*';             /* no @ found, assume its *@somehost */
1576 >      luser[1] = '\0';
1577 >      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
1578 >    }
1579 >
1580 >    return 1;
1581 >  }
1582 >  else
1583 >  {
1584 >    /* Try to find user@host mask from nick */
1585 >    /* Okay to use source_p as the first param, because source_p == client_p */
1586 >    if ((target_p =
1587 >        find_chasing(source_p, user_host_or_nick)) == NULL)
1588 >      return 0;  /* find_chasing sends ERR_NOSUCHNICK */
1589 >
1590 >    if (IsExemptKline(target_p))
1591 >    {
1592 >      if (IsClient(source_p))
1593 >        sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
1594 >      return 0;
1595 >    }
1596 >
1597 >    /*
1598 >     * turn the "user" bit into "*user", blow away '~'
1599 >     * if found in original user name (non-idented)
1600 >     */
1601 >    strlcpy(luser, target_p->username, USERLEN*4 + 1);
1602 >
1603 >    if (target_p->username[0] == '~')
1604 >      luser[0] = '*';
1605 >
1606 >    if (!strcmp(target_p->sockhost, "0"))
1607 >      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
1608 >    else
1609 >      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
1610 >    return 1;
1611 >  }
1612 >
1613    return 0;
1614   }
1615  
# Line 1819 | Line 1623 | valid_wild_card(struct Client *source_p,
1623   *              - parse_flags bit map of things to test
1624   *              - pointer to user or string to parse into
1625   *              - pointer to host or NULL to parse into if non NULL
1626 < *              - pointer to optional tkline time or NULL
1626 > *              - pointer to optional tkline time or NULL
1627   *              - pointer to target_server to parse into if non NULL
1628   *              - pointer to reason to parse into
1629   *
# Line 1846 | Line 1650 | parse_aline(const char *cmd, struct Clie
1650              char **target_server, char **reason)
1651   {
1652    int found_tkline_time=0;
1653 <  static char def_reason[] = "No Reason";
1653 >  static char def_reason[] = CONF_NOREASON;
1654    static char user[USERLEN*4+1];
1655    static char host[HOSTLEN*4+1];
1656  
# Line 1855 | Line 1659 | parse_aline(const char *cmd, struct Clie
1659  
1660    found_tkline_time = valid_tkline(*parv, TK_MINUTES);
1661  
1662 <  if (found_tkline_time != 0)
1662 >  if (found_tkline_time)
1663    {
1664      parv++;
1665      parc--;
1666  
1667 <    if (tkline_time != NULL)
1667 >    if (tkline_time)
1668        *tkline_time = found_tkline_time;
1669      else
1670      {
1671 <      sendto_one(source_p, ":%s NOTICE %s :temp_line not supported by %s",
1868 <                 me.name, source_p->name, cmd);
1671 >      sendto_one_notice(source_p, &me, ":temp_line not supported by %s", cmd);
1672        return -1;
1673      }
1674    }
1675  
1676    if (parc == 0)
1677    {
1678 <    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1876 <               me.name, source_p->name, cmd);
1678 >    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1679      return -1;
1680    }
1681  
# Line 1887 | Line 1689 | parse_aline(const char *cmd, struct Clie
1689      *up_p = user;
1690      *h_p = host;
1691    }
1692 <
1692 >
1693    parc--;
1694    parv++;
1695  
1696 <  if (parc != 0)
1696 >  if (parc)
1697    {
1698      if (irccmp(*parv, "ON") == 0)
1699      {
# Line 1900 | Line 1702 | parse_aline(const char *cmd, struct Clie
1702  
1703        if (target_server == NULL)
1704        {
1705 <        sendto_one(source_p, ":%s NOTICE %s :ON server not supported by %s",
1904 <                   me.name, source_p->name, cmd);
1705 >        sendto_one_notice(source_p, &me, ":ON server not supported by %s", cmd);
1706          return -1;
1707        }
1708  
1709        if (!HasOFlag(source_p, OPER_FLAG_REMOTEBAN))
1710        {
1711 <        sendto_one(source_p, form_str(ERR_NOPRIVS),
1911 <                   me.name, source_p->name, "remoteban");
1711 >        sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "remoteban");
1712          return -1;
1713        }
1714  
1715        if (parc == 0 || EmptyString(*parv))
1716        {
1717 <        sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1918 <                   me.name, source_p->name, cmd);
1717 >        sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1718          return -1;
1719        }
1720  
# Line 1928 | Line 1727 | parse_aline(const char *cmd, struct Clie
1727        /* Make sure target_server *is* NULL if no ON server found
1728         * caller probably NULL'd it first, but no harm to do it again -db
1729         */
1730 <      if (target_server != NULL)
1730 >      if (target_server)
1731          *target_server = NULL;
1732      }
1733    }
1734  
1735 <  if (h_p != NULL)
1735 >  if (h_p)
1736    {
1737 <    if (strchr(user, '!') != NULL)
1737 >    if (strchr(user, '!'))
1738      {
1739 <      sendto_one(source_p, ":%s NOTICE %s :Invalid character '!' in kline",
1941 <                 me.name, source_p->name);
1739 >      sendto_one_notice(source_p, &me, ":Invalid character '!' in kline");
1740        return -1;
1741      }
1742  
# Line 1949 | Line 1747 | parse_aline(const char *cmd, struct Clie
1747      if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 1, *up_p))
1748        return -1;
1749  
1750 <  if (reason != NULL)
1750 >  if (reason)
1751    {
1752 <    if (parc != 0 && !EmptyString(*parv))
1752 >    if (parc && !EmptyString(*parv))
1753      {
1754        *reason = *parv;
1755 +
1756        if (!valid_comment(source_p, *reason, 1))
1757          return -1;
1758      }
# Line 1964 | Line 1763 | parse_aline(const char *cmd, struct Clie
1763    return 1;
1764   }
1765  
1967 /* find_user_host()
1968 *
1969 * inputs       - pointer to client placing kline
1970 *              - pointer to user_host_or_nick
1971 *              - pointer to user buffer
1972 *              - pointer to host buffer
1973 * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1974 * side effects -
1975 */
1976 static int
1977 find_user_host(struct Client *source_p, char *user_host_or_nick,
1978               char *luser, char *lhost, unsigned int flags)
1979 {
1980  struct Client *target_p = NULL;
1981  char *hostp = NULL;
1982
1983  if (lhost == NULL)
1984  {
1985    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1986    return 1;
1987  }
1988
1989  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1990  {
1991    /* Explicit user@host mask given */
1992
1993    if (hostp != NULL)                            /* I'm a little user@host */
1994    {
1995      *(hostp++) = '\0';                       /* short and squat */
1996      if (*user_host_or_nick)
1997        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1998      else
1999        strcpy(luser, "*");
2000
2001      if (*hostp)
2002        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
2003      else
2004        strcpy(lhost, "*");
2005    }
2006    else
2007    {
2008      luser[0] = '*';             /* no @ found, assume its *@somehost */
2009      luser[1] = '\0';
2010      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
2011    }
2012    
2013    return 1;
2014  }
2015  else
2016  {
2017    /* Try to find user@host mask from nick */
2018    /* Okay to use source_p as the first param, because source_p == client_p */
2019    if ((target_p =
2020        find_chasing(source_p, user_host_or_nick, NULL)) == NULL)
2021      return 0;
2022
2023    if (IsExemptKline(target_p))
2024    {
2025      if (!IsServer(source_p))
2026        sendto_one(source_p,
2027                   ":%s NOTICE %s :%s is E-lined",
2028                   me.name, source_p->name, target_p->name);
2029      return 0;
2030    }
2031
2032    /*
2033     * turn the "user" bit into "*user", blow away '~'
2034     * if found in original user name (non-idented)
2035     */
2036    strlcpy(luser, target_p->username, USERLEN*4 + 1);
2037
2038    if (target_p->username[0] == '~')
2039      luser[0] = '*';
2040
2041    if (target_p->sockhost[0] == '\0' ||
2042        (target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0'))
2043      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
2044    else
2045      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
2046    return 1;
2047  }
2048
2049  return 0;
2050 }
2051
1766   /* valid_comment()
1767   *
1768   * inputs       - pointer to client
# Line 2086 | Line 1800 | match_conf_password(const char *password
1800    else
1801      encr = password;
1802  
1803 <  return !strcmp(encr, conf->passwd);
1803 >  return encr && !strcmp(encr, conf->passwd);
1804   }
1805  
1806   /*
# Line 2094 | Line 1808 | match_conf_password(const char *password
1808   *
1809   * inputs       - client sending the cluster
1810   *              - command name "KLINE" "XLINE" etc.
1811 < *              - capab -- CAP_KLN etc. from s_serv.h
1811 > *              - capab -- CAP_KLN etc. from server.h
1812   *              - cluster type -- CLUSTER_KLINE etc. from conf.h
1813   *              - pattern and args to send along
1814   * output       - none
# Line 2106 | Line 1820 | cluster_a_line(struct Client *source_p,
1820                 int capab, int cluster_type, const char *pattern, ...)
1821   {
1822    va_list args;
1823 <  char buffer[IRCD_BUFSIZE];
1824 <  const dlink_node *ptr = NULL;
1823 >  char buffer[IRCD_BUFSIZE] = "";
1824 >  const dlink_node *node = NULL;
1825  
1826    va_start(args, pattern);
1827    vsnprintf(buffer, sizeof(buffer), pattern, args);
1828    va_end(args);
1829  
1830 <  DLINK_FOREACH(ptr, cluster_items.head)
1830 >  DLINK_FOREACH(node, cluster_items.head)
1831    {
1832 <    const struct MaskItem *conf = ptr->data;
1832 >    const struct MaskItem *conf = node->data;
1833  
1834      if (conf->flags & cluster_type)
1835        sendto_match_servs(source_p, conf->name, CAP_CLUSTER|capab,
# Line 2158 | Line 1872 | split_nuh(struct split_nuh_item *const i
1872  
1873    if (iptr->nickptr)
1874      strlcpy(iptr->nickptr, "*", iptr->nicksize);
1875 +
1876    if (iptr->userptr)
1877      strlcpy(iptr->userptr, "*", iptr->usersize);
1878 +
1879    if (iptr->hostptr)
1880      strlcpy(iptr->hostptr, "*", iptr->hostsize);
1881  
# Line 2167 | Line 1883 | split_nuh(struct split_nuh_item *const i
1883    {
1884      *p = '\0';
1885  
1886 <    if (iptr->nickptr && *iptr->nuhmask != '\0')
1886 >    if (iptr->nickptr && *iptr->nuhmask)
1887        strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize);
1888  
1889      if ((q = strchr(++p, '@')))
1890      {
1891        *q++ = '\0';
1892  
1893 <      if (*p != '\0')
1893 >      if (*p)
1894          strlcpy(iptr->userptr, p, iptr->usersize);
1895  
1896 <      if (*q != '\0')
1896 >      if (*q)
1897          strlcpy(iptr->hostptr, q, iptr->hostsize);
1898      }
1899      else
1900      {
1901 <      if (*p != '\0')
1901 >      if (*p)
1902          strlcpy(iptr->userptr, p, iptr->usersize);
1903      }
1904    }
# Line 2194 | Line 1910 | split_nuh(struct split_nuh_item *const i
1910        /* if found a @ */
1911        *p++ = '\0';
1912  
1913 <      if (*iptr->nuhmask != '\0')
1913 >      if (*iptr->nuhmask)
1914          strlcpy(iptr->userptr, iptr->nuhmask, iptr->usersize);
1915  
1916 <      if (*p != '\0')
1916 >      if (*p)
1917          strlcpy(iptr->hostptr, p, iptr->hostsize);
1918      }
1919      else

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