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Comparing ircd-hybrid/trunk/src/conf.c (file contents):
Revision 3109 by michael, Thu Mar 6 19:25:12 2014 UTC vs.
Revision 5039 by michael, Sat Dec 13 16:08:37 2014 UTC

# Line 15 | 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  
# Line 28 | Line 28
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"
36 #include "hook.h"
37   #include "irc_string.h"
38   #include "s_bsd.h"
39   #include "ircd.h"
# Line 44 | Line 44
44   #include "fdlist.h"
45   #include "log.h"
46   #include "send.h"
47 #include "s_gline.h"
47   #include "memory.h"
48 < #include "mempool.h"
50 < #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  
59  
61 struct config_channel_entry ConfigChannel;
62 struct config_server_hide ConfigServerHide;
63 struct config_file_entry ConfigFileEntry;
64 struct logging_entry ConfigLoggingEntry = { .use_logging = 1 };
65 struct server_info ServerInfo;
66 struct admin_info AdminInfo;
67
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  
83 struct conf_parser_context conf_parser_ctx = { 0, 0, NULL };
84
85 /* internally defined functions */
86 static void read_conf(FILE *);
87 static void clear_out_old_conf(void);
88 static void expire_tklines(dlink_list *);
89 static void garbage_collect_ip_entries(void);
90 static int hash_ip(struct irc_ssaddr *);
91 static int verify_access(struct Client *);
92 static int attach_iline(struct Client *, struct MaskItem *);
93 static struct ip_entry *find_or_add_ip(struct irc_ssaddr *);
94 static dlink_list *map_to_list(enum maskitem_type);
95 static int find_user_host(struct Client *, char *, char *, char *, unsigned int);
96
97
98 /* usually, with hash tables, you use a prime number...
99 * but in this case I am dealing with ip addresses,
100 * not ascii strings.
101 */
102 #define IP_HASH_SIZE 0x1000
103
104 struct ip_entry
105 {
106  struct irc_ssaddr ip;
107  unsigned int count;
108  time_t last_attempt;
109  struct ip_entry *next;
110 };
111
112 static struct ip_entry *ip_hash_table[IP_HASH_SIZE];
113 static mp_pool_t *ip_entry_pool = NULL;
114 static int ip_entries_count = 0;
115
75  
76   /* conf_dns_callback()
77   *
# Line 125 | 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 146 | 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 171 | 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)))
179 <      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 201 | 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 <    dlinkDelete(ptr, &conf->hub_list);
210 <    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 <    dlinkDelete(ptr, &conf->leaf_list);
217 <    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(ptr, &conf->exempt_list);
224 >    dlinkDelete(node, &conf->exempt_list);
225      MyFree(exptr->name);
226      MyFree(exptr->user);
227      MyFree(exptr->host);
# Line 229 | 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.
238 < *                I_LINE_FULL       (-3) = I-line is full
239 < *                TOO_MANY          (-4) = Too many connections from hostname
240 < *                BANNED_CLIENT     (-5) = K-lined
241 < * side effects - Ordinary client access check.
242 < *                Look for conf lines which have the same
243 < *                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]",
252 <         source_p->name, source_p->sockhost);
253 <
254 <  switch (i)
255 <  {
256 <    case TOO_MANY:
257 <      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
258 <                           "Too many on IP for %s (%s).",
259 <                           get_client_name(source_p, SHOW_IP),
260 <                           source_p->sockhost);
261 <      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
262 <           get_client_name(source_p, SHOW_IP));
263 <      ++ServerStats.is_ref;
264 <      exit_client(source_p, &me, "No more connections allowed on that IP");
265 <      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).",
270 <                           get_client_name(source_p, SHOW_IP),
271 <                           source_p->sockhost);
272 <      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
273 <           get_client_name(source_p, SHOW_IP));
274 <      ++ServerStats.is_ref;
275 <      exit_client(source_p, &me,
276 <                  "No more connections allowed in your connection class");
277 <      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;
281 <      /* jdc - lists server name & port connections are on */
282 <      /*       a purely cosmetical change */
283 <      sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
284 <                           "Unauthorized client connection from %s [%s] on [%s/%u].",
285 <                           get_client_name(source_p, SHOW_IP),
286 <                           source_p->sockhost,
287 <                           source_p->localClient->listener->name,
288 <                           source_p->localClient->listener->port);
289 <      ilog(LOG_TYPE_IRCD,
290 <           "Unauthorized client connection from %s on [%s/%u].",
291 <           get_client_name(source_p, SHOW_IP),
292 <           source_p->localClient->listener->name,
293 <           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:
305 <     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      {
# Line 348 | Line 321 | verify_access(struct Client *client_p)
321          return NOT_AUTHORIZED;
322        }
323  
351      if (IsConfDoIdentd(conf))
352        SetNeedId(client_p);
353
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,
359 <                               "%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));
362        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",
373 <                 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 378 | Line 346 | verify_access(struct Client *client_p)
346    return NOT_AUTHORIZED;
347   }
348  
349 < /* attach_iline()
382 < *
383 < * inputs       - client pointer
384 < *              - conf pointer
385 < * output       -
386 < * side effects - do actual attach
387 < */
388 < static int
389 < attach_iline(struct Client *client_p, struct MaskItem *conf)
390 < {
391 <  struct ClassItem *class = NULL;
392 <  struct ip_entry *ip_found;
393 <  int a_limit_reached = 0;
394 <  unsigned int local = 0, global = 0, ident = 0;
395 <
396 <  assert(conf->class);
397 <
398 <  ip_found = find_or_add_ip(&client_p->localClient->ip);
399 <  ip_found->count++;
400 <  SetIpHash(client_p);
401 <
402 <  class = conf->class;
403 <
404 <  count_user_host(client_p->username, client_p->host,
405 <                  &global, &local, &ident);
406 <
407 <  /* XXX blah. go down checking the various silly limits
408 <   * setting a_limit_reached if any limit is reached.
409 <   * - Dianora
410 <   */
411 <  if (class->max_total != 0 && class->ref_count >= class->max_total)
412 <    a_limit_reached = 1;
413 <  else if (class->max_perip != 0 && ip_found->count > class->max_perip)
414 <    a_limit_reached = 1;
415 <  else if (class->max_local != 0 && local >= class->max_local)
416 <    a_limit_reached = 1;
417 <  else if (class->max_global != 0 && global >= class->max_global)
418 <    a_limit_reached = 1;
419 <  else if (class->max_ident != 0 && ident >= class->max_ident &&
420 <           client_p->username[0] != '~')
421 <    a_limit_reached = 1;
422 <
423 <  if (a_limit_reached)
424 <  {
425 <    if (!IsConfExemptLimits(conf))
426 <      return TOO_MANY;   /* Already at maximum allowed */
427 <
428 <    sendto_one(client_p,
429 <               ":%s NOTICE %s :*** Your connection class is full, "
430 <               "but you have exceed_limit = yes;", me.name, client_p->name);
431 <  }
432 <
433 <  return attach_conf(client_p, conf);
434 < }
435 <
436 < /* init_ip_hash_table()
437 < *
438 < * inputs               - NONE
439 < * output               - NONE
440 < * side effects         - allocate memory for ip_entry(s)
441 < *                      - clear the ip hash table
442 < */
443 < void
444 < init_ip_hash_table(void)
445 < {
446 <  ip_entry_pool = mp_pool_new(sizeof(struct ip_entry), MP_CHUNK_SIZE_IP_ENTRY);
447 <  memset(ip_hash_table, 0, sizeof(ip_hash_table));
448 < }
449 <
450 < /* find_or_add_ip()
451 < *
452 < * inputs       - pointer to struct irc_ssaddr
453 < * output       - pointer to a struct ip_entry
454 < * 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;
463 <  int hash_index = hash_ip(ip_in), res;
464 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
465 < #ifdef IPV6
466 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
467 < #endif
468 <
469 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
470 <  {
471 < #ifdef IPV6
472 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
473 <      continue;
474 <    if (ip_in->ss.ss_family == AF_INET6)
475 <    {
476 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
477 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
478 <    }
479 <    else
480 < #endif
481 <    {
482 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
483 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
484 <    }
485 <    if (res == 0)
486 <    {
487 <      /* Found entry already in hash, return it. */
488 <      return ptr;
489 <    }
490 <  }
491 <
492 <  if (ip_entries_count >= 2 * hard_fdlimit)
493 <    garbage_collect_ip_entries();
494 <
495 <  newptr = mp_pool_get(ip_entry_pool);
496 <  memset(newptr, 0, sizeof(*newptr));
497 <  ip_entries_count++;
498 <  memcpy(&newptr->ip, ip_in, sizeof(struct irc_ssaddr));
499 <
500 <  newptr->next = ip_hash_table[hash_index];
501 <  ip_hash_table[hash_index] = newptr;
502 <
503 <  return newptr;
504 < }
365 >  int i;
366  
367 < /* remove_one_ip()
368 < *
369 < * inputs        - unsigned long IP address value
509 < * output        - NONE
510 < * side effects  - The ip address given, is looked up in ip hash table
511 < *                 and number of ip#'s for that ip decremented.
512 < *                 If ip # count reaches 0 and has expired,
513 < *                 the struct ip_entry is returned to the ip_entry_heap
514 < */
515 < void
516 < remove_one_ip(struct irc_ssaddr *ip_in)
517 < {
518 <  struct ip_entry *ptr;
519 <  struct ip_entry *last_ptr = NULL;
520 <  int hash_index = hash_ip(ip_in), res;
521 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
522 < #ifdef IPV6
523 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
524 < #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
538 <    {
539 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
540 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
541 <    }
542 <    if (res)
543 <      continue;
544 <    if (ptr->count > 0)
545 <      ptr->count--;
546 <    if (ptr->count == 0 &&
547 <        (CurrentTime-ptr->last_attempt) >= ConfigFileEntry.throttle_time)
548 <    {
549 <      if (last_ptr != NULL)
550 <        last_ptr->next = ptr->next;
551 <      else
552 <        ip_hash_table[hash_index] = ptr->next;
553 <
554 <      mp_pool_release(ptr);
555 <      ip_entries_count--;
556 <      return;
557 <    }
558 <    last_ptr = ptr;
559 <  }
560 < }
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)
572 <  {
573 <    struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
574 <    int hash;
575 <    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;
590 <    hash ^= hash >> 8;
591 <    hash  = hash & (IP_HASH_SIZE - 1);
592 <    return hash;
593 <  }
594 < #else
595 <  return 0;
596 < #endif
597 < }
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
602 < *               - pointer to memory used for ip hash
603 < * output        - returned via pointers input
604 < * side effects  - NONE
605 < *
606 < * number of hashed ip #'s is counted up, plus the amount of memory
607 < * used in the hash.
608 < */
609 < void
610 < count_ip_hash(unsigned int *number_ips_stored, uint64_t *mem_ips_stored)
611 < {
612 <  struct ip_entry *ptr;
613 <  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)
621 <    {
622 <      *number_ips_stored += 1;
623 <      *mem_ips_stored += sizeof(struct ip_entry);
624 <    }
418 >    case 0:
419 >    default:
420 >      break;
421    }
626 }
422  
423 < /* garbage_collect_ip_entries()
629 < *
630 < * input        - NONE
631 < * output       - NONE
632 < * side effects - free up all ip entries with no connections
633 < */
634 < static void
635 < garbage_collect_ip_entries(void)
636 < {
637 <  struct ip_entry *ptr;
638 <  struct ip_entry *last_ptr;
639 <  struct ip_entry *next_ptr;
640 <  int i;
641 <
642 <  for (i = 0; i < IP_HASH_SIZE; i++)
643 <  {
644 <    last_ptr = NULL;
645 <
646 <    for (ptr = ip_hash_table[i]; ptr; ptr = next_ptr)
647 <    {
648 <      next_ptr = ptr->next;
649 <
650 <      if (ptr->count == 0 &&
651 <          (CurrentTime - ptr->last_attempt) >= ConfigFileEntry.throttle_time)
652 <      {
653 <        if (last_ptr != NULL)
654 <          last_ptr->next = ptr->next;
655 <        else
656 <          ip_hash_table[i] = ptr->next;
657 <        mp_pool_release(ptr);
658 <        ip_entries_count--;
659 <      }
660 <      else
661 <        last_ptr = ptr;
662 <    }
663 <  }
423 >  return !(i < 0);
424   }
425  
426   /* detach_conf()
# Line 674 | 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 687 | 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 717 | 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 745 | Line 505 | int
505   attach_connect_block(struct Client *client_p, const char *name,
506                       const char *host)
507   {
508 <  dlink_node *ptr;
749 <  struct MaskItem *conf = NULL;
750 <
751 <  assert(client_p != NULL);
752 <  assert(host != NULL);
508 >  dlink_node *node = NULL;
509  
510 <  if (client_p == NULL || host == NULL)
755 <    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 780 | 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;
784 <  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;
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)))
794 <      return conf;
546 >      if (conf->name && !irccmp(conf->name, name))
547 >        return conf;
548      }
549    }
550  
551    return NULL;
552   }
553  
801 /* map_to_list()
802 *
803 * inputs       - ConfType conf
804 * output       - pointer to dlink_list to use
805 * side effects - none
806 */
807 static dlink_list *
808 map_to_list(enum maskitem_type type)
809 {
810  switch(type)
811  {
812  case CONF_XLINE:
813    return(&xconf_items);
814    break;
815  case CONF_ULINE:
816    return(&uconf_items);
817    break;
818  case CONF_NRESV:
819    return(&nresv_items);
820    break;
821  case CONF_CRESV:
822    return(&cresv_items);
823  case CONF_OPER:
824    return(&oconf_items);
825    break;
826  case CONF_SERVER:
827    return(&server_items);
828    break;
829  case CONF_SERVICE:
830    return(&service_items);
831    break;
832  case CONF_CLUSTER:
833    return(&cluster_items);
834    break;
835  default:
836    return NULL;
837  }
838 }
839
554   /* find_matching_name_conf()
555   *
556   * inputs       - type of link list to look in
# Line 851 | 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 873 | 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 894 | 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;
# Line 924 | 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 935 | 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;
# Line 955 | 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 978 | 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;
986 #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;
993 #endif
706              default:
707                assert(0);
708            }
# Line 1001 | 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;
# Line 1028 | Line 740 | find_exact_name_conf(enum maskitem_type
740    return NULL;
741   }
742  
1031 /* rehash()
1032 *
1033 * Actual REHASH service routine. Called with sig == 0 if it has been called
1034 * as a result of an operator issuing this command, else assume it has been
1035 * called as a result of the server receiving a HUP signal.
1036 */
1037 int
1038 rehash(int sig)
1039 {
1040  if (sig != 0)
1041    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1042                         "Got signal SIGHUP, reloading configuration file(s)");
1043
1044  restart_resolver();
1045
1046  /* don't close listeners until we know we can go ahead with the rehash */
1047
1048  /* Check to see if we magically got(or lost) IPv6 support */
1049  check_can_use_v6();
1050
1051  read_conf_files(0);
1052
1053  if (ServerInfo.description != NULL)
1054    strlcpy(me.info, ServerInfo.description, sizeof(me.info));
1055
1056  load_conf_modules();
1057
1058  rehashed_klines = 1;
1059
1060  return 0;
1061 }
1062
743   /* set_default_conf()
744   *
745   * inputs       - NONE
# Line 1078 | 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;
1104 <  AdminInfo.email = NULL;
1105 <  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;
1115 <  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 1128 | Line 824 | set_default_conf(void)
824    ConfigServerHide.hide_server_ips = 0;
825    ConfigServerHide.disable_remote_commands = 0;
826  
827 <  ConfigFileEntry.service_name = xstrdup(SERVICE_NAME_DEFAULT);
828 <  ConfigFileEntry.max_watch = WATCHSIZE_DEFAULT;
829 <  ConfigFileEntry.cycle_on_host_change = 1;
830 <  ConfigFileEntry.glines = 0;
831 <  ConfigFileEntry.gline_time = 12 * 3600;
832 <  ConfigFileEntry.gline_request_time = GLINE_REQUEST_EXPIRE_DEFAULT;
833 <  ConfigFileEntry.gline_min_cidr = 16;
834 <  ConfigFileEntry.gline_min_cidr6 = 48;
835 <  ConfigFileEntry.invisible_on_connect = 1;
836 <  ConfigFileEntry.tkline_expire_notices = 1;
837 <  ConfigFileEntry.hide_spoof_ips = 1;
838 <  ConfigFileEntry.ignore_bogus_ts = 0;
839 <  ConfigFileEntry.disable_auth = 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.warn_no_nline = 1;
854 <  ConfigFileEntry.stats_o_oper_only = 0;
855 <  ConfigFileEntry.stats_k_oper_only = 1;  /* masked */
856 <  ConfigFileEntry.stats_i_oper_only = 1;  /* masked */
857 <  ConfigFileEntry.stats_P_oper_only = 0;
858 <  ConfigFileEntry.stats_u_oper_only = 0;
859 <  ConfigFileEntry.caller_id_wait = 60;
860 <  ConfigFileEntry.opers_bypass_callerid = 0;
861 <  ConfigFileEntry.pace_wait = 10;
862 <  ConfigFileEntry.pace_wait_simple = 1;
863 <  ConfigFileEntry.short_motd = 0;
864 <  ConfigFileEntry.ping_cookie = 0;
865 <  ConfigFileEntry.no_oper_flood = 0;
866 <  ConfigFileEntry.true_no_oper_flood = 0;
867 <  ConfigFileEntry.oper_pass_resv = 1;
868 <  ConfigFileEntry.max_targets = MAX_TARGETS_DEFAULT;
869 <  ConfigFileEntry.oper_only_umodes = UMODE_DEBUG;
870 <  ConfigFileEntry.oper_umodes = UMODE_BOTS | UMODE_LOCOPS | UMODE_SERVNOTICE |
871 <    UMODE_OPERWALL | UMODE_WALLOP;
872 <  ConfigFileEntry.use_egd = 0;
873 <  ConfigFileEntry.egdpool_path = NULL;
1178 <  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;
879 >  if (ConfigGeneral.ts_warn_delta < TS_WARN_DELTA_MIN)
880 >    ConfigGeneral.ts_warn_delta = TS_WARN_DELTA_DEFAULT;
881  
882 <  if (ConfigFileEntry.ts_max_delta < TS_MAX_DELTA_MIN)
883 <    ConfigFileEntry.ts_max_delta = TS_MAX_DELTA_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_name == NULL)
886 <    ServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
885 >  if (EmptyString(ConfigServerInfo.network_name))
886 >    ConfigServerInfo.network_name = xstrdup(NETWORK_NAME_DEFAULT);
887  
888 <  if (ServerInfo.network_desc == NULL)
889 <    ServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
888 >  if (EmptyString(ConfigServerInfo.network_desc))
889 >    ConfigServerInfo.network_desc = xstrdup(NETWORK_DESC_DEFAULT);
890  
891 <  if (ConfigFileEntry.service_name == NULL)
1197 <    ConfigFileEntry.service_name = xstrdup(SERVICE_NAME_DEFAULT);
1198 <
1199 <  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()
# Line 1210 | 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 <  class_delete_marked();      /* 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 1233 | Line 950 | lookup_confhost(struct MaskItem *conf)
950   {
951    struct addrinfo hints, *res;
952  
953 <  /* 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 1250 | Line 968 | lookup_confhost(struct MaskItem *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;
# Line 1269 | Line 987 | lookup_confhost(struct MaskItem *conf)
987   int
988   conf_connect_allowed(struct irc_ssaddr *addr, int aftype)
989   {
990 <  struct ip_entry *ip_found;
991 <  struct MaskItem *conf = 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 (conf && (conf->type == CONF_EXEMPT))
995      return 0;
996  
997 <  if (conf != 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) <
1285 <      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  
1295 /* cleanup_tklines()
1296 *
1297 * inputs       - NONE
1298 * output       - NONE
1299 * side effects - call function to expire temporary k/d lines
1300 *                This is an event started off in ircd.c
1301 */
1302 void
1303 cleanup_tklines(void *notused)
1304 {
1305  hostmask_expire_temporary();
1306  expire_tklines(&xconf_items);
1307  expire_tklines(&nresv_items);
1308  expire_tklines(&cresv_items);
1309 }
1310
1016   /* expire_tklines()
1017   *
1018   * inputs       - tkline list pointer
# Line 1315 | Line 1020 | cleanup_tklines(void *notused)
1020   * side effects - expire tklines
1021   */
1022   static void
1023 < expire_tklines(dlink_list *tklist)
1023 > expire_tklines(dlink_list *list)
1024   {
1025 <  dlink_node *ptr;
1321 <  dlink_node *next_ptr;
1322 <  struct MaskItem *conf;
1025 >  dlink_node *node = NULL, *node_next = NULL;
1026  
1027 <  DLINK_FOREACH_SAFE(ptr, next_ptr, tklist->head)
1027 >  DLINK_FOREACH_SAFE(node, node_next, list->head)
1028    {
1029 <    conf = ptr->data;
1029 >    struct MaskItem *conf = node->data;
1030  
1031      if (!conf->until || conf->until > CurrentTime)
1032        continue;
1033  
1034      if (conf->type == CONF_XLINE)
1035      {
1036 <      if (ConfigFileEntry.tkline_expire_notices)
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 (ConfigFileEntry.tkline_expire_notices)
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);
# Line 1345 | Line 1048 | expire_tklines(dlink_list *tklist)
1048    }
1049   }
1050  
1051 + /* cleanup_tklines()
1052 + *
1053 + * inputs       - NONE
1054 + * output       - NONE
1055 + * side effects - call function to expire temporary k/d lines
1056 + *                This is an event started off in ircd.c
1057 + */
1058 + void
1059 + cleanup_tklines(void *unused)
1060 + {
1061 +  hostmask_expire_temporary();
1062 +  expire_tklines(&xconf_items);
1063 +  expire_tklines(&nresv_items);
1064 +  expire_tklines(&cresv_items);
1065 + }
1066 +
1067   /* oper_privs_as_string()
1068   *
1069   * inputs        - pointer to client_p
# Line 1361 | Line 1080 | static const struct oper_privs
1080    { OPER_FLAG_DIE,            'D' },
1081    { OPER_FLAG_GLINE,          'G' },
1082    { OPER_FLAG_REHASH,         'H' },
1083 <  { OPER_FLAG_K,              'K' },
1365 <  { OPER_FLAG_OPERWALL,       'L' },
1083 >  { OPER_FLAG_KLINE,          'K' },
1084    { OPER_FLAG_KILL,           'N' },
1085    { OPER_FLAG_KILL_REMOTE,    'O' },
1086    { OPER_FLAG_CONNECT,        'P' },
# Line 1379 | Line 1097 | oper_privs_as_string(const unsigned int
1097   {
1098    static char privs_out[IRCD_BUFSIZE];
1099    char *privs_ptr = privs_out;
1382  const struct oper_privs *opriv = flag_list;
1100  
1101 <  for (; opriv->flag; ++opriv)
1101 >  for (const struct oper_privs *opriv = flag_list; opriv->flag; ++opriv)
1102    {
1103      if (port & opriv->flag)
1104        *privs_ptr++ = opriv->c;
# Line 1395 | 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 1403 | Line 1120 | oper_privs_as_string(const unsigned int
1120   const char *
1121   get_oper_name(const struct Client *client_p)
1122   {
1406  const 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 <      const struct MaskItem *conf = cnode->data;
1135 >      const struct MaskItem *const conf = node->data;
1136  
1137 <      if (IsConfOperator(conf))
1137 >      if (conf->type == CONF_OPER)
1138        {
1139          snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1140                   client_p->username, client_p->host, conf->name);
# Line 1421 | Line 1142 | get_oper_name(const struct Client *clien
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,
# Line 1432 | Line 1154 | get_oper_name(const struct Client *clien
1154    return buffer;
1155   }
1156  
1435 /* read_conf_files()
1436 *
1437 * inputs       - cold start YES or NO
1438 * output       - none
1439 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1440 */
1441 void
1442 read_conf_files(int cold)
1443 {
1444  const char *filename;
1445  char chanmodes[IRCD_BUFSIZE];
1446  char chanlimit[IRCD_BUFSIZE];
1447
1448  conf_parser_ctx.boot = cold;
1449  filename = ConfigFileEntry.configfile;
1450
1451  /* We need to know the initial filename for the yyerror() to report
1452     FIXME: The full path is in conffilenamebuf first time since we
1453             dont know anything else
1454
1455     - Gozem 2002-07-21
1456  */
1457  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1458
1459  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1460  {
1461    if (cold)
1462    {
1463      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1464           filename, strerror(errno));
1465      exit(-1);
1466    }
1467    else
1468    {
1469      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1470                           "Unable to read configuration file '%s': %s",
1471                           filename, strerror(errno));
1472      return;
1473    }
1474  }
1475
1476  if (!cold)
1477    clear_out_old_conf();
1478
1479  read_conf(conf_parser_ctx.conf_file);
1480  fclose(conf_parser_ctx.conf_file);
1481
1482  log_reopen_all();
1483
1484  add_isupport("NICKLEN", NULL, ServerInfo.max_nick_length);
1485  add_isupport("NETWORK", ServerInfo.network_name, -1);
1486
1487  snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans);
1488  add_isupport("MAXLIST", chanmodes, -1);
1489  add_isupport("MAXTARGETS", NULL, ConfigFileEntry.max_targets);
1490  add_isupport("CHANTYPES", "#", -1);
1491
1492  snprintf(chanlimit, sizeof(chanlimit), "#:%d",
1493           ConfigChannel.max_chans_per_user);
1494  add_isupport("CHANLIMIT", chanlimit, -1);
1495  snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,imnprstORS");
1496  add_isupport("CHANNELLEN", NULL, LOCAL_CHANNELLEN);
1497  add_isupport("TOPICLEN", NULL, ServerInfo.max_topic_length);
1498  add_isupport("CHANMODES", chanmodes, -1);
1499
1500  /*
1501   * message_locale may have changed.  rebuild isupport since it relies
1502   * on strlen(form_str(RPL_ISUPPORT))
1503   */
1504  rebuild_isupport_message_line();
1505 }
1506
1157   /* clear_out_old_conf()
1158   *
1159   * inputs       - none
# Line 1513 | Line 1163 | read_conf_files(int cold)
1163   static void
1164   clear_out_old_conf(void)
1165   {
1166 <  dlink_node *ptr = NULL, *next_ptr = NULL;
1517 <  struct MaskItem *conf;
1166 >  dlink_node *node = NULL, *node_next = NULL;
1167    dlink_list *free_items [] = {
1168      &server_items,   &oconf_items,
1169       &uconf_items,   &xconf_items,
# Line 1527 | Line 1176 | clear_out_old_conf(void)
1176     * Resetting structs, etc, is taken care of by set_default_conf().
1177     */
1178  
1179 <  for (; *iterator != NULL; iterator++)
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;
1183 >      struct MaskItem *conf = node->data;
1184  
1185 <      dlinkDelete(&conf->node, map_to_list(conf->type));
1185 >      conf->active = 0;
1186 >      dlinkDelete(&conf->node, *iterator);
1187  
1188        /* XXX This is less than pretty */
1189        if (conf->type == CONF_SERVER || conf->type == CONF_OPER)
# Line 1564 | Line 1214 | clear_out_old_conf(void)
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;
1585 <
1586 <  if (ServerInfo.server_ctx)
1587 <    SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|
1588 <                                               SSL_OP_NO_SSLv3|
1589 <                                               SSL_OP_NO_TLSv1);
1590 <  if (ServerInfo.client_ctx)
1591 <    SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|
1592 <                                               SSL_OP_NO_SSLv3|
1593 <                                               SSL_OP_NO_TLSv1);
1233 >  MyFree(ConfigServerInfo.rsa_private_key_file);
1234 >  ConfigServerInfo.rsa_private_key_file = NULL;
1235   #endif
1236  
1237 <  /* clean out AdminInfo */
1238 <  MyFree(AdminInfo.name);
1239 <  AdminInfo.name = NULL;
1240 <  MyFree(AdminInfo.email);
1241 <  AdminInfo.email = NULL;
1242 <  MyFree(AdminInfo.description);
1243 <  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  
1245    /* clean out listeners */
1246    close_listeners();
1247 + }
1248 +
1249 + /* read_conf_files()
1250 + *
1251 + * inputs       - cold start YES or NO
1252 + * output       - none
1253 + * side effects - read all conf files needed, ircd.conf kline.conf etc.
1254 + */
1255 + void
1256 + read_conf_files(int cold)
1257 + {
1258 +  const char *filename = NULL;
1259 +  char chanmodes[IRCD_BUFSIZE] = "";
1260 +  char chanlimit[IRCD_BUFSIZE] = "";
1261 +
1262 +  conf_parser_ctx.boot = cold;
1263 +  filename = ConfigGeneral.configfile;
1264 +
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 +     - Gozem 2002-07-21
1270 +  */
1271 +  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1272 +
1273 +  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1274 +  {
1275 +    if (cold)
1276 +    {
1277 +      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1278 +           filename, strerror(errno));
1279 +      exit(-1);
1280 +    }
1281 +    else
1282 +    {
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 +  }
1289 +
1290 +  if (!cold)
1291 +    clear_out_old_conf();
1292 +
1293 +  read_conf(conf_parser_ctx.conf_file);
1294 +  fclose(conf_parser_ctx.conf_file);
1295 +
1296 +  log_reopen_all();
1297  
1298 <  /* clean out general */
1299 <  MyFree(ConfigFileEntry.service_name);
1300 <  ConfigFileEntry.service_name = NULL;
1298 >  add_isupport("NICKLEN", NULL, ConfigServerInfo.max_nick_length);
1299 >  add_isupport("NETWORK", ConfigServerInfo.network_name, -1);
1300 >
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 >  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 >  /*
1315 >   * message_locale may have changed.  rebuild isupport since it relies
1316 >   * on strlen(form_str(RPL_ISUPPORT))
1317 >   */
1318 >  rebuild_isupport_message_line();
1319   }
1320  
1321   /* conf_add_class_to_conf()
# Line 1622 | Line 1331 | conf_add_class_to_conf(struct MaskItem *
1331    {
1332      conf->class = class_default;
1333  
1334 <    if (conf->type == CONF_CLIENT)
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);
# Line 1636 | Line 1345 | conf_add_class_to_conf(struct MaskItem *
1345  
1346    if (conf->class == NULL)
1347    {
1348 <    if (conf->type == CONF_CLIENT)
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);
# Line 1743 | Line 1452 | valid_wild_card_simple(const char *data)
1452   {
1453    const unsigned char *p = (const unsigned char *)data;
1454    unsigned char tmpch = '\0';
1455 <  int nonwild = 0;
1455 >  unsigned int nonwild = 0;
1456  
1457    while ((tmpch = *p++))
1458    {
1459 <    if (tmpch == '\\')
1459 >    if (tmpch == '\\' && *p)
1460      {
1461        ++p;
1462 <      if (++nonwild >= ConfigFileEntry.min_nonwildcard_simple)
1462 >      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1463          return 1;
1464      }
1465      else if (!IsMWildChar(tmpch))
1466      {
1467 <      if (++nonwild >= ConfigFileEntry.min_nonwildcard_simple)
1467 >      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1468          return 1;
1469      }
1470    }
# Line 1774 | Line 1483 | valid_wild_card_simple(const char *data)
1483   int
1484   valid_wild_card(struct Client *source_p, int warn, int count, ...)
1485   {
1486 <  char tmpch;
1487 <  int nonwild = 0;
1486 >  unsigned char tmpch = '\0';
1487 >  unsigned int nonwild = 0;
1488    va_list args;
1489  
1490    /*
# Line 1794 | Line 1503 | valid_wild_card(struct Client *source_p,
1503  
1504    while (count--)
1505    {
1506 <    const char *p = va_arg(args, const char *);
1506 >    const unsigned char *p = va_arg(args, const unsigned char *);
1507      if (p == NULL)
1508        continue;
1509  
# Line 1806 | 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;
# Line 1816 | Line 1525 | valid_wild_card(struct Client *source_p,
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 +
1617   /* XXX should this go into a separate file ? -Dianora */
1618   /* parse_aline
1619   *
# Line 1859 | Line 1651 | parse_aline(const char *cmd, struct Clie
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 1868 | 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",
1881 <                 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    }
# Line 1903 | Line 1694 | parse_aline(const char *cmd, struct Clie
1694    parc--;
1695    parv++;
1696  
1697 <  if (parc != 0)
1697 >  if (parc)
1698    {
1699      if (irccmp(*parv, "ON") == 0)
1700      {
# Line 1912 | 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",
1916 <                   me.name, source_p->name, cmd);
1706 >        sendto_one_notice(source_p, &me, ":ON server not supported by %s", cmd);
1707          return -1;
1708        }
1709  
# Line 1938 | 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)
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",
1951 <                 me.name, source_p->name);
1740 >      sendto_one_notice(source_p, &me, ":Invalid character '!' in kline");
1741        return -1;
1742      }
1743  
# Line 1959 | 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;
1759      }
# Line 1974 | Line 1764 | parse_aline(const char *cmd, struct Clie
1764    return 1;
1765   }
1766  
1977 /* find_user_host()
1978 *
1979 * inputs       - pointer to client placing kline
1980 *              - pointer to user_host_or_nick
1981 *              - pointer to user buffer
1982 *              - pointer to host buffer
1983 * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1984 * side effects -
1985 */
1986 static int
1987 find_user_host(struct Client *source_p, char *user_host_or_nick,
1988               char *luser, char *lhost, unsigned int flags)
1989 {
1990  struct Client *target_p = NULL;
1991  char *hostp = NULL;
1992
1993  if (lhost == NULL)
1994  {
1995    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1996    return 1;
1997  }
1998
1999  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
2000  {
2001    /* Explicit user@host mask given */
2002
2003    if (hostp != NULL)                            /* I'm a little user@host */
2004    {
2005      *(hostp++) = '\0';                       /* short and squat */
2006      if (*user_host_or_nick)
2007        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
2008      else
2009        strcpy(luser, "*");
2010
2011      if (*hostp)
2012        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
2013      else
2014        strcpy(lhost, "*");
2015    }
2016    else
2017    {
2018      luser[0] = '*';             /* no @ found, assume its *@somehost */
2019      luser[1] = '\0';
2020      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
2021    }
2022
2023    return 1;
2024  }
2025  else
2026  {
2027    /* Try to find user@host mask from nick */
2028    /* Okay to use source_p as the first param, because source_p == client_p */
2029    if ((target_p =
2030        find_chasing(source_p, user_host_or_nick, NULL)) == NULL)
2031      return 0;
2032
2033    if (IsExemptKline(target_p))
2034    {
2035      if (!IsServer(source_p))
2036        sendto_one(source_p,
2037                   ":%s NOTICE %s :%s is E-lined",
2038                   me.name, source_p->name, target_p->name);
2039      return 0;
2040    }
2041
2042    /*
2043     * turn the "user" bit into "*user", blow away '~'
2044     * if found in original user name (non-idented)
2045     */
2046    strlcpy(luser, target_p->username, USERLEN*4 + 1);
2047
2048    if (target_p->username[0] == '~')
2049      luser[0] = '*';
2050
2051    if (target_p->sockhost[0] == '\0' ||
2052        (target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0'))
2053      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
2054    else
2055      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
2056    return 1;
2057  }
2058
2059  return 0;
2060 }
2061
1767   /* valid_comment()
1768   *
1769   * inputs       - pointer to client
# Line 2096 | Line 1801 | match_conf_password(const char *password
1801    else
1802      encr = password;
1803  
1804 <  return !strcmp(encr, conf->passwd);
1804 >  return encr && !strcmp(encr, conf->passwd);
1805   }
1806  
1807   /*
# Line 2104 | 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 2116 | 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 MaskItem *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,
# Line 2168 | 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 2177 | 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, '@')))
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 2204 | 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

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