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Comparing ircd-hybrid/trunk/src/conf.c (file contents):
Revision 1992 by michael, Fri May 10 18:32:26 2013 UTC vs.
Revision 5039 by michael, Sat Dec 13 16:08:37 2014 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  conf.c: Configuration file functions.
2 > *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (C) 2002 by the past and present ircd coders, and others.
4 > *  Copyright (c) 1997-2014 ircd-hybrid development team
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 16 | Line 15
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18 < *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 > *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19   *  USA
20 < *
21 < *  $Id$
20 > */
21 >
22 > /*! \file conf.c
23 > * \brief Configuration file functions.
24 > * \version $Id$
25   */
26  
27   #include "stdinc.h"
28   #include "list.h"
29   #include "ircd_defs.h"
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  
57 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 temporary_resv = { NULL, NULL, 0 };
61 > dlink_list service_items;
62 > dlink_list server_items;
63 > dlink_list cluster_items;
64 > dlink_list oconf_items;
65 > dlink_list uconf_items;
66 > dlink_list xconf_items;
67 > dlink_list nresv_items;
68 > dlink_list cresv_items;
69  
70   extern unsigned int lineno;
71   extern char linebuf[];
72   extern char conffilebuf[IRCD_BUFSIZE];
73   extern int yyparse(); /* defined in y.tab.c */
74  
74 struct conf_parser_context conf_parser_ctx = { 0, 0, NULL };
75
76 /* internally defined functions */
77 static void read_conf(FILE *);
78 static void clear_out_old_conf(void);
79 static void expire_tklines(dlink_list *);
80 static void garbage_collect_ip_entries(void);
81 static int hash_ip(struct irc_ssaddr *);
82 static int verify_access(struct Client *);
83 static int attach_iline(struct Client *, struct MaskItem *);
84 static struct ip_entry *find_or_add_ip(struct irc_ssaddr *);
85 static dlink_list *map_to_list(enum maskitem_type);
86 static int find_user_host(struct Client *, char *, char *, char *, unsigned int);
87
88
89 /* usually, with hash tables, you use a prime number...
90 * but in this case I am dealing with ip addresses,
91 * not ascii strings.
92 */
93 #define IP_HASH_SIZE 0x1000
94
95 struct ip_entry
96 {
97  struct irc_ssaddr ip;
98  unsigned int count;
99  time_t last_attempt;
100  struct ip_entry *next;
101 };
102
103 static struct ip_entry *ip_hash_table[IP_HASH_SIZE];
104 static mp_pool_t *ip_entry_pool = NULL;
105 static int ip_entries_count = 0;
106
75  
76   /* conf_dns_callback()
77   *
# Line 116 | 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 137 | 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 162 | 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)))
170 <      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 183 | Line 194 | conf_free(struct MaskItem *conf)
194    MyFree(conf->passwd);
195    MyFree(conf->spasswd);
196    MyFree(conf->reason);
197 +  MyFree(conf->certfp);
198    MyFree(conf->user);
199    MyFree(conf->host);
200   #ifdef HAVE_LIBCRYPTO
# Line 191 | 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 216 | Line 231 | conf_free(struct MaskItem *conf)
231    MyFree(conf);
232   }
233  
219 /* check_client()
220 *
221 * inputs       - pointer to client
222 * output       - 0 = Success
223 *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
224 *                IRCD_SOCKET_ERROR (-2) = Bad socket.
225 *                I_LINE_FULL       (-3) = I-line is full
226 *                TOO_MANY          (-4) = Too many connections from hostname
227 *                BANNED_CLIENT     (-5) = K-lined
228 * side effects - Ordinary client access check.
229 *                Look for conf lines which have the same
230 *                status as the flags passed.
231 */
232 int
233 check_client(struct Client *source_p)
234 {
235  int i;
236
237  if ((i = verify_access(source_p)))
238    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
239         source_p->name, source_p->sockhost);
240
241  switch (i)
242  {
243    case TOO_MANY:
244      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
245                           "Too many on IP for %s (%s).",
246                           get_client_name(source_p, SHOW_IP),
247                           source_p->sockhost);
248      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
249           get_client_name(source_p, SHOW_IP));
250      ++ServerStats.is_ref;
251      exit_client(source_p, &me, "No more connections allowed on that IP");
252      break;
253
254    case I_LINE_FULL:
255      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
256                           "auth{} block is full for %s (%s).",
257                           get_client_name(source_p, SHOW_IP),
258                           source_p->sockhost);
259      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
260           get_client_name(source_p, SHOW_IP));
261      ++ServerStats.is_ref;
262      exit_client(source_p, &me,
263                "No more connections allowed in your connection class");
264      break;
265
266    case NOT_AUTHORIZED:
267      ++ServerStats.is_ref;
268      /* jdc - lists server name & port connections are on */
269      /*       a purely cosmetical change */
270      sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
271                           "Unauthorized client connection from %s [%s] on [%s/%u].",
272                           get_client_name(source_p, SHOW_IP),
273                           source_p->sockhost,
274                           source_p->localClient->listener->name,
275                           source_p->localClient->listener->port);
276      ilog(LOG_TYPE_IRCD,
277          "Unauthorized client connection from %s on [%s/%u].",
278          get_client_name(source_p, SHOW_IP),
279          source_p->localClient->listener->name,
280          source_p->localClient->listener->port);
281
282      exit_client(source_p, &me, "You are not authorized to use this server");
283      break;
284
285   case BANNED_CLIENT:
286     exit_client(source_p, &me, "Banned");
287     ++ServerStats.is_ref;
288     break;
289
290   case 0:
291   default:
292     break;
293  }
294
295  return (i < 0 ? 0 : 1);
296 }
297
298 /* verify_access()
299 *
300 * inputs       - pointer to client to verify
301 * output       - 0 if success -'ve if not
302 * side effect  - find the first (best) I line to attach.
303 */
304 static int
305 verify_access(struct Client *client_p)
306 {
307  struct MaskItem *conf = NULL;
308  char non_ident[USERLEN + 1] = { '~', '\0' };
309
310  if (IsGotId(client_p))
311  {
312    conf = find_address_conf(client_p->host, client_p->username,
313                             &client_p->localClient->ip,
314                             client_p->localClient->aftype,
315                             client_p->localClient->passwd);
316  }
317  else
318  {
319    strlcpy(non_ident+1, client_p->username, sizeof(non_ident)-1);
320    conf = find_address_conf(client_p->host,non_ident,
321                             &client_p->localClient->ip,
322                             client_p->localClient->aftype,
323                             client_p->localClient->passwd);
324  }
325
326  if (conf != NULL)
327  {
328    if (IsConfClient(conf))
329    {
330      if (IsConfRedir(conf))
331      {
332        sendto_one(client_p, form_str(RPL_REDIR),
333                   me.name, client_p->name,
334                   conf->name ? conf->name : "",
335                   conf->port);
336        return(NOT_AUTHORIZED);
337      }
338
339      if (IsConfDoIdentd(conf))
340        SetNeedId(client_p);
341
342      /* Thanks for spoof idea amm */
343      if (IsConfDoSpoofIp(conf))
344      {
345        if (!ConfigFileEntry.hide_spoof_ips && IsConfSpoofNotice(conf))
346          sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
347                               "%s spoofing: %s as %s",
348                               client_p->name, client_p->host, conf->name);
349        strlcpy(client_p->host, conf->name, sizeof(client_p->host));
350        SetIPSpoof(client_p);
351      }
352
353      return(attach_iline(client_p, conf));
354    }
355    else if (IsConfKill(conf) || (ConfigFileEntry.glines && IsConfGline(conf)))
356    {
357      if (IsConfGline(conf))
358        sendto_one(client_p, ":%s NOTICE %s :*** G-lined", me.name,
359                   client_p->name);
360      sendto_one(client_p, ":%s NOTICE %s :*** Banned: %s",
361                 me.name, client_p->name, conf->reason);
362      return(BANNED_CLIENT);
363    }
364  }
365
366  return(NOT_AUTHORIZED);
367 }
368
234   /* attach_iline()
235   *
236 < * inputs       - client pointer
237 < *              - conf pointer
238 < * output       -
239 < * side effects - do actual attach
236 > * inputs       - client pointer
237 > *              - conf pointer
238 > * output       -
239 > * side effects - do actual attach
240   */
241   static int
242   attach_iline(struct Client *client_p, struct MaskItem *conf)
243   {
244 <  struct ClassItem *class = NULL;
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 <  ip_found = find_or_add_ip(&client_p->localClient->ip);
249 >  ip_found = ipcache_find_or_add_address(&client_p->connection->ip);
250    ip_found->count++;
251 <  SetIpHash(client_p);
387 <
388 <  if (conf->class == NULL)
389 <    return NOT_AUTHORIZED;  /* If class is missing, this is best */
390 <
391 <  class = conf->class;
251 >  AddFlag(client_p, FLAGS_IPHASH);
252  
253    count_user_host(client_p->username, client_p->host,
254                    &global, &local, &ident);
# Line 397 | Line 257 | attach_iline(struct Client *client_p, st
257     * setting a_limit_reached if any limit is reached.
258     * - Dianora
259     */
260 <  if (class->max_total != 0 && class->ref_count >= class->max_total)
260 >  if (class->max_total && class->ref_count >= class->max_total)
261      a_limit_reached = 1;
262 <  else if (class->max_perip != 0 && ip_found->count > class->max_perip)
262 >  else if (class->max_perip && ip_found->count > class->max_perip)
263      a_limit_reached = 1;
264 <  else if (class->max_local != 0 && local >= class->max_local)
264 >  else if (class->max_local && local >= class->max_local)
265      a_limit_reached = 1;
266 <  else if (class->max_global != 0 && global >= class->max_global)
266 >  else if (class->max_global && global >= class->max_global)
267      a_limit_reached = 1;
268 <  else if (class->max_ident != 0 && ident >= class->max_ident &&
268 >  else if (class->max_ident && ident >= class->max_ident &&
269             client_p->username[0] != '~')
270      a_limit_reached = 1;
271  
# Line 414 | Line 274 | attach_iline(struct Client *client_p, st
274      if (!IsConfExemptLimits(conf))
275        return TOO_MANY;   /* Already at maximum allowed */
276  
277 <    sendto_one(client_p,
278 <               ":%s NOTICE %s :*** Your connection class is full, "
419 <               "but you have exceed_limit = yes;", me.name, client_p->name);
277 >    sendto_one_notice(client_p, &me, ":*** Your connection class is full, "
278 >                      "but you have exceed_limit = yes;");
279    }
280  
281    return attach_conf(client_p, conf);
282   }
283  
284 < /* init_ip_hash_table()
426 < *
427 < * inputs               - NONE
428 < * output               - NONE
429 < * side effects         - allocate memory for ip_entry(s)
430 < *                      - clear the ip hash table
431 < */
432 < void
433 < init_ip_hash_table(void)
434 < {
435 <  ip_entry_pool = mp_pool_new(sizeof(struct ip_entry), MP_CHUNK_SIZE_IP_ENTRY);
436 <  memset(ip_hash_table, 0, sizeof(ip_hash_table));
437 < }
438 <
439 < /* find_or_add_ip()
440 < *
441 < * inputs       - pointer to struct irc_ssaddr
442 < * output       - pointer to a struct ip_entry
443 < * side effects -
284 > /* verify_access()
285   *
286 < * If the ip # was not found, a new struct ip_entry is created, and the ip
287 < * count set to 0.
286 > * inputs       - pointer to client to verify
287 > * output       - 0 if success -'ve if not
288 > * side effect  - find the first (best) I line to attach.
289   */
290 < static struct ip_entry *
291 < find_or_add_ip(struct irc_ssaddr *ip_in)
290 > static int
291 > verify_access(struct Client *client_p)
292   {
293 <  struct ip_entry *ptr, *newptr;
294 <  int hash_index = hash_ip(ip_in), res;
453 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
454 < #ifdef IPV6
455 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
456 < #endif
293 >  struct MaskItem *conf = NULL;
294 >  char non_ident[USERLEN + 1] = "~";
295  
296 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
296 >  if (IsGotId(client_p))
297    {
298 < #ifdef IPV6
299 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
300 <      continue;
301 <    if (ip_in->ss.ss_family == AF_INET6)
302 <    {
303 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
304 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
305 <    }
306 <    else
307 < #endif
308 <    {
309 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
472 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
473 <    }
474 <    if (res == 0)
475 <    {
476 <      /* Found entry already in hash, return it. */
477 <      return ptr;
478 <    }
298 >    conf = find_address_conf(client_p->host, client_p->username,
299 >                             &client_p->connection->ip,
300 >                             client_p->connection->aftype,
301 >                             client_p->connection->password);
302 >  }
303 >  else
304 >  {
305 >    strlcpy(non_ident + 1, client_p->username, sizeof(non_ident) - 1);
306 >    conf = find_address_conf(client_p->host, non_ident,
307 >                             &client_p->connection->ip,
308 >                             client_p->connection->aftype,
309 >                             client_p->connection->password);
310    }
311  
312 <  if (ip_entries_count >= 2 * hard_fdlimit)
313 <    garbage_collect_ip_entries();
314 <
315 <  newptr = mp_pool_get(ip_entry_pool);
316 <  memset(newptr, 0, sizeof(*newptr));
317 <  ip_entries_count++;
318 <  memcpy(&newptr->ip, ip_in, sizeof(struct irc_ssaddr));
319 <
320 <  newptr->next = ip_hash_table[hash_index];
321 <  ip_hash_table[hash_index] = newptr;
312 >  if (conf)
313 >  {
314 >    if (IsConfClient(conf))
315 >    {
316 >      if (IsConfRedir(conf))
317 >      {
318 >        sendto_one_numeric(client_p, &me, RPL_REDIR,
319 >                           conf->name ? conf->name : "",
320 >                           conf->port);
321 >        return NOT_AUTHORIZED;
322 >      }
323  
324 <  return newptr;
325 < }
324 >      /* Thanks for spoof idea amm */
325 >      if (IsConfDoSpoofIp(conf))
326 >      {
327 >        if (IsConfSpoofNotice(conf))
328 >          sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE, "%s spoofing: %s as %s",
329 >                               client_p->name, client_p->host, conf->name);
330  
331 < /* remove_one_ip()
332 < *
497 < * inputs        - unsigned long IP address value
498 < * output        - NONE
499 < * side effects  - The ip address given, is looked up in ip hash table
500 < *                 and number of ip#'s for that ip decremented.
501 < *                 If ip # count reaches 0 and has expired,
502 < *                 the struct ip_entry is returned to the ip_entry_heap
503 < */
504 < void
505 < remove_one_ip(struct irc_ssaddr *ip_in)
506 < {
507 <  struct ip_entry *ptr;
508 <  struct ip_entry *last_ptr = NULL;
509 <  int hash_index = hash_ip(ip_in), res;
510 <  struct sockaddr_in *v4 = (struct sockaddr_in *)ip_in, *ptr_v4;
511 < #ifdef IPV6
512 <  struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)ip_in, *ptr_v6;
513 < #endif
331 >        strlcpy(client_p->host, conf->name, sizeof(client_p->host));
332 >      }
333  
334 <  for (ptr = ip_hash_table[hash_index]; ptr; ptr = ptr->next)
516 <  {
517 < #ifdef IPV6
518 <    if (ptr->ip.ss.ss_family != ip_in->ss.ss_family)
519 <      continue;
520 <    if (ip_in->ss.ss_family == AF_INET6)
521 <    {
522 <      ptr_v6 = (struct sockaddr_in6 *)&ptr->ip;
523 <      res = memcmp(&v6->sin6_addr, &ptr_v6->sin6_addr, sizeof(struct in6_addr));
334 >      return attach_iline(client_p, conf);
335      }
336 <    else
526 < #endif
527 <    {
528 <      ptr_v4 = (struct sockaddr_in *)&ptr->ip;
529 <      res = memcmp(&v4->sin_addr, &ptr_v4->sin_addr, sizeof(struct in_addr));
530 <    }
531 <    if (res)
532 <      continue;
533 <    if (ptr->count > 0)
534 <      ptr->count--;
535 <    if (ptr->count == 0 &&
536 <        (CurrentTime-ptr->last_attempt) >= ConfigFileEntry.throttle_time)
336 >    else if (IsConfKill(conf) || (ConfigGeneral.glines && IsConfGline(conf)))
337      {
338 <      if (last_ptr != NULL)
339 <        last_ptr->next = ptr->next;
540 <      else
541 <        ip_hash_table[hash_index] = ptr->next;
338 >      if (IsConfGline(conf))
339 >        sendto_one_notice(client_p, &me, ":*** G-lined");
340  
341 <      mp_pool_release(ptr);
342 <      ip_entries_count--;
545 <      return;
341 >      sendto_one_notice(client_p, &me, ":*** Banned: %s", conf->reason);
342 >      return BANNED_CLIENT;
343      }
547    last_ptr = ptr;
344    }
549 }
550
551 /* hash_ip()
552 *
553 * input        - pointer to an irc_inaddr
554 * output       - integer value used as index into hash table
555 * side effects - hopefully, none
556 */
557 static int
558 hash_ip(struct irc_ssaddr *addr)
559 {
560  if (addr->ss.ss_family == AF_INET)
561  {
562    struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
563    int hash;
564    uint32_t ip;
345  
346 <    ip   = ntohl(v4->sin_addr.s_addr);
567 <    hash = ((ip >> 12) + ip) & (IP_HASH_SIZE-1);
568 <    return hash;
569 <  }
570 < #ifdef IPV6
571 <  else
572 <  {
573 <    int hash;
574 <    struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr;
575 <    uint32_t *ip = (uint32_t *)&v6->sin6_addr.s6_addr;
576 <
577 <    hash  = ip[0] ^ ip[3];
578 <    hash ^= hash >> 16;  
579 <    hash ^= hash >> 8;  
580 <    hash  = hash & (IP_HASH_SIZE - 1);
581 <    return hash;
582 <  }
583 < #else
584 <  return 0;
585 < #endif
346 >  return NOT_AUTHORIZED;
347   }
348  
349 < /* count_ip_hash()
589 < *
590 < * inputs        - pointer to counter of number of ips hashed
591 < *               - pointer to memory used for ip hash
592 < * output        - returned via pointers input
593 < * side effects  - NONE
349 > /* check_client()
350   *
351 < * number of hashed ip #'s is counted up, plus the amount of memory
352 < * used in the hash.
351 > * inputs       - pointer to client
352 > * output       - 0 = Success
353 > *                NOT_AUTHORIZED    (-1) = Access denied (no I line match)
354 > *                IRCD_SOCKET_ERROR (-2) = Bad socket.
355 > *                I_LINE_FULL       (-3) = I-line is full
356 > *                TOO_MANY          (-4) = Too many connections from hostname
357 > *                BANNED_CLIENT     (-5) = K-lined
358 > * side effects - Ordinary client access check.
359 > *                Look for conf lines which have the same
360 > *                status as the flags passed.
361   */
362 < void
363 < count_ip_hash(unsigned int *number_ips_stored, uint64_t *mem_ips_stored)
362 > int
363 > check_client(struct Client *source_p)
364   {
601  struct ip_entry *ptr;
365    int i;
366  
367 <  *number_ips_stored = 0;
368 <  *mem_ips_stored    = 0;
367 >  if ((i = verify_access(source_p)))
368 >    ilog(LOG_TYPE_IRCD, "Access denied: %s[%s]",
369 >         source_p->name, source_p->sockhost);
370  
371 <  for (i = 0; i < IP_HASH_SIZE; i++)
371 >  switch (i)
372    {
373 <    for (ptr = ip_hash_table[i]; ptr; ptr = ptr->next)
374 <    {
375 <      *number_ips_stored += 1;
376 <      *mem_ips_stored += sizeof(struct ip_entry);
377 <    }
378 <  }
379 < }
373 >    case TOO_MANY:
374 >      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
375 >                           "Too many on IP for %s (%s).",
376 >                           get_client_name(source_p, SHOW_IP),
377 >                           source_p->sockhost);
378 >      ilog(LOG_TYPE_IRCD, "Too many connections on IP from %s.",
379 >           get_client_name(source_p, SHOW_IP));
380 >      ++ServerStats.is_ref;
381 >      exit_client(source_p, "No more connections allowed on that IP");
382 >      break;
383  
384 < /* garbage_collect_ip_entries()
385 < *
386 < * input        - NONE
387 < * output       - NONE
388 < * side effects - free up all ip entries with no connections
389 < */
390 < static void
391 < garbage_collect_ip_entries(void)
392 < {
393 <  struct ip_entry *ptr;
627 <  struct ip_entry *last_ptr;
628 <  struct ip_entry *next_ptr;
629 <  int i;
384 >    case I_LINE_FULL:
385 >      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
386 >                           "auth {} block is full for %s (%s).",
387 >                           get_client_name(source_p, SHOW_IP),
388 >                           source_p->sockhost);
389 >      ilog(LOG_TYPE_IRCD, "Too many connections from %s.",
390 >           get_client_name(source_p, SHOW_IP));
391 >      ++ServerStats.is_ref;
392 >      exit_client(source_p, "No more connections allowed in your connection class");
393 >      break;
394  
395 <  for (i = 0; i < IP_HASH_SIZE; i++)
396 <  {
397 <    last_ptr = NULL;
395 >    case NOT_AUTHORIZED:
396 >      /* jdc - lists server name & port connections are on */
397 >      /*       a purely cosmetical change */
398 >      sendto_realops_flags(UMODE_UNAUTH, L_ALL, SEND_NOTICE,
399 >                           "Unauthorized client connection from %s [%s] on [%s/%u].",
400 >                           get_client_name(source_p, SHOW_IP),
401 >                           source_p->sockhost,
402 >                           source_p->connection->listener->name,
403 >                           source_p->connection->listener->port);
404 >      ilog(LOG_TYPE_IRCD, "Unauthorized client connection from %s on [%s/%u].",
405 >           get_client_name(source_p, SHOW_IP),
406 >           source_p->connection->listener->name,
407 >           source_p->connection->listener->port);
408  
409 <    for (ptr = ip_hash_table[i]; ptr; ptr = next_ptr)
410 <    {
411 <      next_ptr = ptr->next;
409 >      ++ServerStats.is_ref;
410 >      exit_client(source_p, "You are not authorized to use this server");
411 >      break;
412  
413 <      if (ptr->count == 0 &&
414 <          (CurrentTime - ptr->last_attempt) >= ConfigFileEntry.throttle_time)
415 <      {
416 <        if (last_ptr != NULL)
417 <          last_ptr->next = ptr->next;
418 <        else
419 <          ip_hash_table[i] = ptr->next;
420 <        mp_pool_release(ptr);
647 <        ip_entries_count--;
648 <      }
649 <      else
650 <        last_ptr = ptr;
651 <    }
413 >    case BANNED_CLIENT:
414 >      ++ServerStats.is_ref;
415 >      exit_client(source_p, "Banned");
416 >      break;
417 >
418 >    case 0:
419 >    default:
420 >      break;
421    }
422 +
423 +  return !(i < 0);
424   }
425  
426   /* detach_conf()
# Line 663 | 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 676 | 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 706 | 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 734 | Line 505 | int
505   attach_connect_block(struct Client *client_p, const char *name,
506                       const char *host)
507   {
508 <  dlink_node *ptr;
738 <  struct MaskItem *conf = NULL;
739 <
740 <  assert(client_p != NULL);
741 <  assert(host != NULL);
508 >  dlink_node *node = NULL;
509  
510 <  if (client_p == NULL || host == NULL)
744 <    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 769 | 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;
773 <  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)))
783 <      return conf;
546 >      if (conf->name && !irccmp(conf->name, name))
547 >        return conf;
548      }
549    }
550  
551    return NULL;
552   }
553  
790 /* map_to_list()
791 *
792 * inputs       - ConfType conf
793 * output       - pointer to dlink_list to use
794 * side effects - none
795 */
796 static dlink_list *
797 map_to_list(enum maskitem_type type)
798 {
799  switch(type)
800  {
801  case CONF_XLINE:
802    return(&xconf_items);
803    break;
804  case CONF_ULINE:
805    return(&uconf_items);
806    break;
807  case CONF_NRESV:
808    return(&nresv_items);
809    break;
810  case CONF_CRESV:
811    return(&resv_channel_list);
812  case CONF_OPER:
813    return(&oconf_items);
814    break;
815  case CONF_SERVER:
816    return(&server_items);
817    break;
818  case CONF_SERVICE:
819    return(&service_items);
820    break;
821  case CONF_CLUSTER:
822    return(&cluster_items);
823    break;
824  default:
825    return NULL;
826  }
827 }
828
554   /* find_matching_name_conf()
555   *
556   * inputs       - type of link list to look in
# Line 840 | 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 862 | 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))
595 >        continue;
596 >      if (name && !match(conf->name, name))
597        {
598 <        if ((user == NULL && (host == NULL)))
599 <          return conf;
600 <        if ((conf->flags & flags) != flags)
598 >        if ((user == NULL && (host == NULL)))
599 >          return conf;
600 >        if ((conf->flags & flags) != flags)
601            continue;
602 <        if (EmptyString(conf->user) || EmptyString(conf->host))
603 <          return conf;
604 <        if (!match(conf->user, user) && !match(conf->host, host))
605 <          return conf;
602 >        if (EmptyString(conf->user) || EmptyString(conf->host))
603 >          return conf;
604 >        if (!match(conf->user, user) && !match(conf->host, host))
605 >          return conf;
606        }
607      }
608        break;
609  
610    case 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 913 | 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 924 | 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 <    
657 >        continue;
658 >
659        if (irccmp(conf->name, name) == 0)
660        {
661 <        if ((user == NULL && (host == NULL)))
662 <          return (conf);
663 <        if (EmptyString(conf->user) || EmptyString(conf->host))
664 <          return (conf);
665 <        if (!match(conf->user, user) && !match(conf->host, host))
666 <          return (conf);
661 >        if ((user == NULL && (host == NULL)))
662 >          return conf;
663 >        if (EmptyString(conf->user) || EmptyString(conf->host))
664 >          return conf;
665 >        if (!match(conf->user, user) && !match(conf->host, host))
666 >          return conf;
667        }
668      }
669      break;
670  
671    case 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 967 | 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;
975 #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;
982 #endif
706              default:
707                assert(0);
708            }
# Line 990 | 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 <    
721 >        continue;
722 >
723        if (name == NULL)
724        {
725 <        if (EmptyString(conf->host))
726 <          continue;
727 <        if (irccmp(conf->host, host) == 0)
728 <          return(conf);
725 >        if (EmptyString(conf->host))
726 >          continue;
727 >        if (irccmp(conf->host, host) == 0)
728 >          return conf;
729        }
730        else if (irccmp(conf->name, name) == 0)
731 <      {
1009 <          return (conf);
1010 <      }
731 >        return conf;
732      }
733 +
734      break;
735  
736    default:
737      break;
738    }
1017  return(NULL);
1018 }
1019
1020 /* rehash()
1021 *
1022 * Actual REHASH service routine. Called with sig == 0 if it has been called
1023 * as a result of an operator issuing this command, else assume it has been
1024 * called as a result of the server receiving a HUP signal.
1025 */
1026 int
1027 rehash(int sig)
1028 {
1029  if (sig != 0)
1030    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1031                         "Got signal SIGHUP, reloading ircd.conf file");
1032
1033  restart_resolver();
1034
1035  /* don't close listeners until we know we can go ahead with the rehash */
1036
1037  /* Check to see if we magically got(or lost) IPv6 support */
1038  check_can_use_v6();
1039
1040  read_conf_files(0);
1041
1042  if (ServerInfo.description != NULL)
1043    strlcpy(me.info, ServerInfo.description, sizeof(me.info));
1044
1045  load_conf_modules();
739  
740 <  rehashed_klines = 1;
1048 <
1049 <  return 0;
740 >  return NULL;
741   }
742  
743   /* set_default_conf()
# Line 1067 | 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;
1093 <  AdminInfo.email = NULL;
1094 <  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;
1104 <  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 1115 | Line 822 | set_default_conf(void)
822    ConfigServerHide.hide_services = 0;
823    ConfigServerHide.hidden_name = xstrdup(NETWORK_NAME_DEFAULT);
824    ConfigServerHide.hide_server_ips = 0;
825 +  ConfigServerHide.disable_remote_commands = 0;
826  
827 <  
828 <  ConfigFileEntry.service_name = xstrdup(SERVICE_NAME_DEFAULT);
829 <  ConfigFileEntry.max_watch = WATCHSIZE_DEFAULT;
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.disable_remote = 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.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;
1166 <  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)
1185 <    ConfigFileEntry.service_name = xstrdup(SERVICE_NAME_DEFAULT);
1186 <
1187 <  ConfigFileEntry.max_watch = IRCD_MAX(ConfigFileEntry.max_watch, WATCHSIZE_MIN);
891 >  ConfigGeneral.max_watch = IRCD_MAX(ConfigGeneral.max_watch, WATCHSIZE_MIN);
892   }
893  
894 < /* read_conf()
894 > /* read_conf()
895   *
896   * inputs       - file descriptor pointing to config file to use
897   * output       - None
# Line 1198 | 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 1221 | 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 1238 | 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 1257 | 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) <
1273 <      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  
1283 /* find_kill()
1284 *
1285 * inputs       - pointer to client structure
1286 * output       - pointer to struct MaskItem if found
1287 * side effects - See if this user is klined already,
1288 *                and if so, return struct MaskItem pointer
1289 */
1290 struct MaskItem *
1291 find_kill(struct Client *client_p)
1292 {
1293  struct MaskItem *conf = NULL;
1294
1295  assert(client_p != NULL);
1296
1297  conf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
1298                              CONF_KLINE, client_p->localClient->aftype,
1299                              client_p->username, NULL, 1);
1300  return conf;
1301 }
1302
1303 struct MaskItem *
1304 find_gline(struct Client *client_p)
1305 {
1306  struct MaskItem *conf;
1307
1308  assert(client_p != NULL);
1309
1310  conf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
1311                              CONF_GLINE, client_p->localClient->aftype,
1312                              client_p->username, NULL, 1);
1313  return conf;
1314 }
1315
1316 /* cleanup_tklines()
1317 *
1318 * inputs       - NONE
1319 * output       - NONE
1320 * side effects - call function to expire temporary k/d lines
1321 *                This is an event started off in ircd.c
1322 */
1323 void
1324 cleanup_tklines(void *notused)
1325 {
1326  hostmask_expire_temporary();
1327  expire_tklines(&xconf_items);
1328  expire_tklines(&nresv_items);
1329  expire_tklines(&resv_channel_list);
1330 }
1331
1016   /* expire_tklines()
1017   *
1018   * inputs       - tkline list pointer
# Line 1336 | 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;
1342 <  dlink_node *next_ptr;
1343 <  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 1366 | 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 1377 | Line 1075 | static const struct oper_privs
1075    const unsigned int flag;
1076    const unsigned char c;
1077   } flag_list[] = {
1078 <  { OPER_FLAG_ADMIN,       'A' },
1079 <  { OPER_FLAG_REMOTEBAN,   'B' },
1080 <  { OPER_FLAG_DIE,         'D' },
1081 <  { OPER_FLAG_GLINE,       'G' },
1082 <  { OPER_FLAG_REHASH,      'H' },
1083 <  { OPER_FLAG_K,           'K' },
1084 <  { OPER_FLAG_OPERWALL,    'L' },
1085 <  { OPER_FLAG_GLOBAL_KILL, 'O' },
1086 <  { OPER_FLAG_REMOTE,      'R' },
1087 <  { OPER_FLAG_UNKLINE,     'U' },
1088 <  { OPER_FLAG_X,           'X' },
1078 >  { OPER_FLAG_ADMIN,          'A' },
1079 >  { OPER_FLAG_REMOTEBAN,      'B' },
1080 >  { OPER_FLAG_DIE,            'D' },
1081 >  { OPER_FLAG_GLINE,          'G' },
1082 >  { OPER_FLAG_REHASH,         'H' },
1083 >  { OPER_FLAG_KLINE,          'K' },
1084 >  { OPER_FLAG_KILL,           'N' },
1085 >  { OPER_FLAG_KILL_REMOTE,    'O' },
1086 >  { OPER_FLAG_CONNECT,        'P' },
1087 >  { OPER_FLAG_CONNECT_REMOTE, 'Q' },
1088 >  { OPER_FLAG_SQUIT,          'R' },
1089 >  { OPER_FLAG_SQUIT_REMOTE,   'S' },
1090 >  { OPER_FLAG_UNKLINE,        'U' },
1091 >  { OPER_FLAG_XLINE,          'X' },
1092    { 0, '\0' }
1093   };
1094  
1095   char *
1096   oper_privs_as_string(const unsigned int port)
1097   {
1098 <  static char privs_out[16];
1098 >  static char privs_out[IRCD_BUFSIZE];
1099    char *privs_ptr = privs_out;
1399  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 1412 | 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 1420 | Line 1120 | oper_privs_as_string(const unsigned int
1120   const char *
1121   get_oper_name(const struct Client *client_p)
1122   {
1423  dlink_node *cnode = NULL;
1123    /* +5 for !,@,{,} and null */
1124    static char buffer[NICKLEN + USERLEN + HOSTLEN + HOSTLEN + 5];
1125  
1126 +  if (IsServer(client_p))
1127 +    return client_p->name;
1128 +
1129    if (MyConnect(client_p))
1130    {
1131 <    if ((cnode = client_p->localClient->confs.head))
1131 >    const dlink_node *const node = client_p->connection->confs.head;
1132 >
1133 >    if (node)
1134      {
1135 <      struct 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,
1139 >        snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1140                   client_p->username, client_p->host, conf->name);
1141 <        return buffer;
1141 >        return buffer;
1142        }
1143      }
1144  
1145 <    /* Probably should assert here for now. If there is an oper out there
1146 <     * with no oper{} conf attached, it would be good for us to know...
1145 >    /*
1146 >     * Probably should assert here for now. If there is an oper out there
1147 >     * with no operator {} conf attached, it would be good for us to know...
1148       */
1149 <    assert(0); /* Oper without oper conf! */
1149 >    assert(0);  /* Oper without oper conf! */
1150    }
1151  
1152    snprintf(buffer, sizeof(buffer), "%s!%s@%s{%s}", client_p->name,
1153 <           client_p->username, client_p->host, client_p->servptr->name);
1153 >           client_p->username, client_p->host, client_p->servptr->name);
1154    return buffer;
1155   }
1156  
1452 /* read_conf_files()
1453 *
1454 * inputs       - cold start YES or NO
1455 * output       - none
1456 * side effects - read all conf files needed, ircd.conf kline.conf etc.
1457 */
1458 void
1459 read_conf_files(int cold)
1460 {
1461  const char *filename;
1462  char chanmodes[32];
1463  char chanlimit[32];
1464
1465  conf_parser_ctx.boot = cold;
1466  filename = ConfigFileEntry.configfile;
1467
1468  /* We need to know the initial filename for the yyerror() to report
1469     FIXME: The full path is in conffilenamebuf first time since we
1470             dont know anything else
1471
1472     - Gozem 2002-07-21
1473  */
1474  strlcpy(conffilebuf, filename, sizeof(conffilebuf));
1475
1476  if ((conf_parser_ctx.conf_file = fopen(filename, "r")) == NULL)
1477  {
1478    if (cold)
1479    {
1480      ilog(LOG_TYPE_IRCD, "Unable to read configuration file '%s': %s",
1481           filename, strerror(errno));
1482      exit(-1);
1483    }
1484    else
1485    {
1486      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1487                           "Unable to read configuration file '%s': %s",
1488                           filename, strerror(errno));
1489      return;
1490    }
1491  }
1492
1493  if (!cold)
1494    clear_out_old_conf();
1495
1496  read_conf(conf_parser_ctx.conf_file);
1497  fclose(conf_parser_ctx.conf_file);
1498
1499  log_reopen_all();
1500
1501  add_isupport("NICKLEN", NULL, ServerInfo.max_nick_length);
1502  add_isupport("NETWORK", ServerInfo.network_name, -1);
1503
1504  snprintf(chanmodes, sizeof(chanmodes), "beI:%d", ConfigChannel.max_bans);
1505  add_isupport("MAXLIST", chanmodes, -1);
1506  add_isupport("MAXTARGETS", NULL, ConfigFileEntry.max_targets);
1507  add_isupport("CHANTYPES", "#", -1);
1508
1509  snprintf(chanlimit, sizeof(chanlimit), "#:%d",
1510           ConfigChannel.max_chans_per_user);
1511  add_isupport("CHANLIMIT", chanlimit, -1);
1512  snprintf(chanmodes, sizeof(chanmodes), "%s", "beI,k,l,imnprstORS");
1513  add_isupport("CHANNELLEN", NULL, LOCAL_CHANNELLEN);
1514  add_isupport("TOPICLEN", NULL, ServerInfo.max_topic_length);
1515  add_isupport("EXCEPTS", "e", -1);
1516  add_isupport("INVEX", "I", -1);
1517  add_isupport("CHANMODES", chanmodes, -1);
1518
1519  /*
1520   * message_locale may have changed.  rebuild isupport since it relies
1521   * on strlen(form_str(RPL_ISUPPORT))
1522   */
1523  rebuild_isupport_message_line();
1524 }
1525
1157   /* clear_out_old_conf()
1158   *
1159   * inputs       - none
# Line 1532 | 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;
1536 <  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,
1170 <     &nresv_items, &cluster_items,  &service_items, &resv_channel_list, NULL
1170 >     &nresv_items, &cluster_items,  &service_items, &cresv_items, NULL
1171    };
1172  
1173    dlink_list ** iterator = free_items; /* C is dumb */
# Line 1545 | Line 1175 | clear_out_old_conf(void)
1175    /* We only need to free anything allocated by yyparse() here.
1176     * Resetting structs, etc, is taken care of by set_default_conf().
1177     */
1178 <  
1179 <  for (; *iterator != NULL; iterator++)
1178 >
1179 >  for (; *iterator; iterator++)
1180    {
1181 <    DLINK_FOREACH_SAFE(ptr, next_ptr, (*iterator)->head)
1181 >    DLINK_FOREACH_SAFE(node, node_next, (*iterator)->head)
1182      {
1183 <      conf = ptr->data;
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)
1190        {
1191          if (!conf->ref_count)
1192 <          conf_free(conf);
1192 >          conf_free(conf);
1193        }
1194        else if (conf->type == CONF_XLINE)
1195        {
# Line 1570 | Line 1201 | clear_out_old_conf(void)
1201      }
1202    }
1203  
1204 +  motd_clear();
1205 +
1206    /*
1207     * don't delete the class table, rather mark all entries
1208     * for deletion. The table is cleaned up by class_delete_marked. - avalon
# Line 1581 | 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;
1602 <
1603 <  if (ServerInfo.server_ctx)
1604 <    SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|
1605 <                                               SSL_OP_NO_SSLv3|
1606 <                                               SSL_OP_NO_TLSv1);
1607 <  if (ServerInfo.client_ctx)
1608 <    SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|
1609 <                                               SSL_OP_NO_SSLv3|
1610 <                                               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 <  /* clean out general */
1274 <  MyFree(ConfigFileEntry.service_name);
1275 <  ConfigFileEntry.service_name = NULL;
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 >  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 <  delete_isupport("INVEX");
1315 <  delete_isupport("EXCEPTS");
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()
1322   *
1323   * inputs       - pointer to config item
1324   * output       - NONE
1325 < * side effects - Add a class pointer to a conf
1325 > * side effects - Add a class pointer to a conf
1326   */
1327   void
1328   conf_add_class_to_conf(struct MaskItem *conf, const char *class_name)
1329   {
1330 <  if (class_name == NULL)
1330 >  if (class_name == NULL)
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);
1336 >                           "Warning *** Defaulting to default class for %s@%s",
1337 >                           conf->user, conf->host);
1338      else
1339        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1340 <                           "Warning *** Defaulting to default class for %s",
1341 <                           conf->name);
1340 >                           "Warning *** Defaulting to default class for %s",
1341 >                           conf->name);
1342    }
1343    else
1344      conf->class = class_find(class_name, 1);
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);
1350 >                           "Warning *** Defaulting to default class for %s@%s",
1351 >                           conf->user, conf->host);
1352      else
1353        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1354 <                           "Warning *** Defaulting to default class for %s",
1355 <                           conf->name);
1354 >                           "Warning *** Defaulting to default class for %s",
1355 >                           conf->name);
1356      conf->class = class_default;
1357    }
1358   }
# Line 1705 | Line 1394 | conf_error_report(const char *msg)
1394  
1395   /*
1396   * valid_tkline()
1397 < *
1397 > *
1398   * inputs       - pointer to ascii string to check
1399   *              - whether the specified time is in seconds or minutes
1400   * output       - -1 not enough parameters
# Line 1714 | Line 1403 | conf_error_report(const char *msg)
1403   * Originally written by Dianora (Diane, db@db.net)
1404   */
1405   time_t
1406 < valid_tkline(const char *p, int minutes)
1406 > valid_tkline(const char *data, const int minutes)
1407   {
1408 +  const unsigned char *p = (const unsigned char *)data;
1409 +  unsigned char tmpch = '\0';
1410    time_t result = 0;
1411  
1412 <  for (; *p; ++p)
1412 >  while ((tmpch = *p++))
1413    {
1414 <    if (!IsDigit(*p))
1414 >    if (!IsDigit(tmpch))
1415        return 0;
1416  
1417      result *= 10;
1418 <    result += ((*p) & 0xF);
1418 >    result += (tmpch & 0xF);
1419    }
1420  
1421    /*
1422 <   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1422 >   * In the degenerate case where oper does a /quote kline 0 user@host :reason
1423     * i.e. they specifically use 0, I am going to return 1 instead
1424     * as a return value of non-zero is used to flag it as a temporary kline
1425     */
1426    if (result == 0)
1427      result = 1;
1428  
1429 <  /*
1429 >  /*
1430     * If the incoming time is in seconds convert it to minutes for the purpose
1431     * of this calculation
1432     */
1433    if (!minutes)
1434 <    result = result / (time_t)60;
1434 >    result = result / 60;
1435  
1436    if (result > MAX_TDKLINE_TIME)
1437      result = MAX_TDKLINE_TIME;
1438  
1439 <  result = result * (time_t)60;  /* turn it into seconds */
1439 >  result = result * 60;  /* turn it into seconds */
1440  
1441    return result;
1442   }
1443  
1444 + /* valid_wild_card_simple()
1445 + *
1446 + * inputs       - data to check for sufficient non-wildcard characters
1447 + * outputs      - 1 if valid, else 0
1448 + * side effects - none
1449 + */
1450 + int
1451 + valid_wild_card_simple(const char *data)
1452 + {
1453 +  const unsigned char *p = (const unsigned char *)data;
1454 +  unsigned char tmpch = '\0';
1455 +  unsigned int nonwild = 0;
1456 +
1457 +  while ((tmpch = *p++))
1458 +  {
1459 +    if (tmpch == '\\' && *p)
1460 +    {
1461 +      ++p;
1462 +      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1463 +        return 1;
1464 +    }
1465 +    else if (!IsMWildChar(tmpch))
1466 +    {
1467 +      if (++nonwild >= ConfigGeneral.min_nonwildcard_simple)
1468 +        return 1;
1469 +    }
1470 +  }
1471 +
1472 +  return 0;
1473 + }
1474 +
1475   /* valid_wild_card()
1476   *
1477   * input        - pointer to client
# Line 1761 | Line 1483 | valid_tkline(const char *p, int minutes)
1483   int
1484   valid_wild_card(struct Client *source_p, int warn, int count, ...)
1485   {
1486 <  char *p;
1487 <  char tmpch;
1766 <  int nonwild = 0;
1486 >  unsigned char tmpch = '\0';
1487 >  unsigned int nonwild = 0;
1488    va_list args;
1489  
1490    /*
# Line 1782 | Line 1503 | valid_wild_card(struct Client *source_p,
1503  
1504    while (count--)
1505    {
1506 <    p = va_arg(args, char *);
1506 >    const unsigned char *p = va_arg(args, const unsigned char *);
1507      if (p == NULL)
1508        continue;
1509  
# Line 1794 | Line 1515 | valid_wild_card(struct Client *source_p,
1515           * If we find enough non-wild characters, we can
1516           * break - no point in searching further.
1517           */
1518 <        if (++nonwild >= ConfigFileEntry.min_nonwildcard)
1518 >        if (++nonwild >= ConfigGeneral.min_nonwildcard)
1519 >        {
1520 >          va_end(args);
1521            return 1;
1522 +        }
1523        }
1524      }
1525    }
1526  
1527    if (warn)
1528 <    sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the mask",
1529 <               me.name, source_p->name, ConfigFileEntry.min_nonwildcard);
1528 >    sendto_one_notice(source_p, &me,
1529 >                      ":Please include at least %u non-wildcard characters with the mask",
1530 >                      ConfigGeneral.min_nonwildcard);
1531 >  va_end(args);
1532 >  return 0;
1533 > }
1534 >
1535 > /* find_user_host()
1536 > *
1537 > * inputs       - pointer to client placing kline
1538 > *              - pointer to user_host_or_nick
1539 > *              - pointer to user buffer
1540 > *              - pointer to host buffer
1541 > * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1542 > * side effects -
1543 > */
1544 > static int
1545 > find_user_host(struct Client *source_p, char *user_host_or_nick,
1546 >               char *luser, char *lhost, unsigned int flags)
1547 > {
1548 >  struct Client *target_p = NULL;
1549 >  char *hostp = NULL;
1550 >
1551 >  if (lhost == NULL)
1552 >  {
1553 >    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1554 >    return 1;
1555 >  }
1556 >
1557 >  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1558 >  {
1559 >    /* Explicit user@host mask given */
1560 >    if (hostp)                            /* I'm a little user@host */
1561 >    {
1562 >      *(hostp++) = '\0';                       /* short and squat */
1563 >
1564 >      if (*user_host_or_nick)
1565 >        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1566 >      else
1567 >        strcpy(luser, "*");
1568 >
1569 >      if (*hostp)
1570 >        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
1571 >      else
1572 >        strcpy(lhost, "*");
1573 >    }
1574 >    else
1575 >    {
1576 >      luser[0] = '*';             /* no @ found, assume its *@somehost */
1577 >      luser[1] = '\0';
1578 >      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
1579 >    }
1580 >
1581 >    return 1;
1582 >  }
1583 >  else
1584 >  {
1585 >    /* Try to find user@host mask from nick */
1586 >    /* Okay to use source_p as the first param, because source_p == client_p */
1587 >    if ((target_p =
1588 >        find_chasing(source_p, user_host_or_nick)) == NULL)
1589 >      return 0;  /* find_chasing sends ERR_NOSUCHNICK */
1590 >
1591 >    if (IsExemptKline(target_p))
1592 >    {
1593 >      if (IsClient(source_p))
1594 >        sendto_one_notice(source_p, &me, ":%s is E-lined", target_p->name);
1595 >      return 0;
1596 >    }
1597 >
1598 >    /*
1599 >     * turn the "user" bit into "*user", blow away '~'
1600 >     * if found in original user name (non-idented)
1601 >     */
1602 >    strlcpy(luser, target_p->username, USERLEN*4 + 1);
1603 >
1604 >    if (target_p->username[0] == '~')
1605 >      luser[0] = '*';
1606 >
1607 >    if (!strcmp(target_p->sockhost, "0"))
1608 >      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
1609 >    else
1610 >      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
1611 >    return 1;
1612 >  }
1613 >
1614    return 0;
1615   }
1616  
# Line 1816 | Line 1624 | valid_wild_card(struct Client *source_p,
1624   *              - parse_flags bit map of things to test
1625   *              - pointer to user or string to parse into
1626   *              - pointer to host or NULL to parse into if non NULL
1627 < *              - pointer to optional tkline time or NULL
1627 > *              - pointer to optional tkline time or NULL
1628   *              - pointer to target_server to parse into if non NULL
1629   *              - pointer to reason to parse into
1630   *
# Line 1838 | Line 1646 | valid_wild_card(struct Client *source_p,
1646   */
1647   int
1648   parse_aline(const char *cmd, struct Client *source_p,
1649 <            int parc, char **parv,
1650 <            int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1651 <            char **target_server, char **reason)
1649 >            int parc, char **parv,
1650 >            int parse_flags, char **up_p, char **h_p, time_t *tkline_time,
1651 >            char **target_server, char **reason)
1652   {
1653    int found_tkline_time=0;
1654 <  static char def_reason[] = "No Reason";
1654 >  static char def_reason[] = CONF_NOREASON;
1655    static char user[USERLEN*4+1];
1656    static char host[HOSTLEN*4+1];
1657  
# Line 1852 | 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",
1865 <                 me.name, source_p->name, cmd);
1672 >      sendto_one_notice(source_p, &me, ":temp_line not supported by %s", cmd);
1673        return -1;
1674      }
1675    }
1676  
1677    if (parc == 0)
1678    {
1679 <    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1873 <               me.name, source_p->name, cmd);
1679 >    sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1680      return -1;
1681    }
1682  
# Line 1884 | Line 1690 | parse_aline(const char *cmd, struct Clie
1690      *up_p = user;
1691      *h_p = host;
1692    }
1693 <
1693 >
1694    parc--;
1695    parv++;
1696  
1697 <  if (parc != 0)
1697 >  if (parc)
1698    {
1699      if (irccmp(*parv, "ON") == 0)
1700      {
# Line 1897 | Line 1703 | parse_aline(const char *cmd, struct Clie
1703  
1704        if (target_server == NULL)
1705        {
1706 <        sendto_one(source_p, ":%s NOTICE %s :ON server not supported by %s",
1707 <                   me.name, source_p->name, cmd);
1902 <        return -1;
1706 >        sendto_one_notice(source_p, &me, ":ON server not supported by %s", cmd);
1707 >        return -1;
1708        }
1709  
1710        if (!HasOFlag(source_p, OPER_FLAG_REMOTEBAN))
1711        {
1712 <        sendto_one(source_p, form_str(ERR_NOPRIVS),
1908 <                   me.name, source_p->name, "remoteban");
1712 >        sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "remoteban");
1713          return -1;
1714        }
1715  
1716        if (parc == 0 || EmptyString(*parv))
1717        {
1718 <        sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
1719 <                   me.name, source_p->name, cmd);
1916 <        return -1;
1718 >        sendto_one_numeric(source_p, &me, ERR_NEEDMOREPARAMS, cmd);
1719 >        return -1;
1720        }
1721  
1722        *target_server = *parv;
# Line 1925 | Line 1728 | parse_aline(const char *cmd, struct Clie
1728        /* Make sure target_server *is* NULL if no ON server found
1729         * caller probably NULL'd it first, but no harm to do it again -db
1730         */
1731 <      if (target_server != NULL)
1732 <        *target_server = NULL;
1731 >      if (target_server)
1732 >        *target_server = NULL;
1733      }
1734    }
1735  
1736 <  if (h_p != NULL)
1736 >  if (h_p)
1737    {
1738 <    if (strchr(user, '!') != NULL)
1738 >    if (strchr(user, '!'))
1739      {
1740 <      sendto_one(source_p, ":%s NOTICE %s :Invalid character '!' in kline",
1938 <                 me.name, source_p->name);
1740 >      sendto_one_notice(source_p, &me, ":Invalid character '!' in kline");
1741        return -1;
1742      }
1743  
# Line 1946 | Line 1748 | parse_aline(const char *cmd, struct Clie
1748      if ((parse_flags & AWILD) && !valid_wild_card(source_p, 1, 1, *up_p))
1749        return -1;
1750  
1751 <  if (reason != NULL)
1751 >  if (reason)
1752    {
1753 <    if (parc != 0 && !EmptyString(*parv))
1753 >    if (parc && !EmptyString(*parv))
1754      {
1755        *reason = *parv;
1756 +
1757        if (!valid_comment(source_p, *reason, 1))
1758 <        return -1;
1758 >        return -1;
1759      }
1760      else
1761        *reason = def_reason;
# Line 1961 | Line 1764 | parse_aline(const char *cmd, struct Clie
1764    return 1;
1765   }
1766  
1964 /* find_user_host()
1965 *
1966 * inputs       - pointer to client placing kline
1967 *              - pointer to user_host_or_nick
1968 *              - pointer to user buffer
1969 *              - pointer to host buffer
1970 * output       - 0 if not ok to kline, 1 to kline i.e. if valid user host
1971 * side effects -
1972 */
1973 static int
1974 find_user_host(struct Client *source_p, char *user_host_or_nick,
1975               char *luser, char *lhost, unsigned int flags)
1976 {
1977  struct Client *target_p = NULL;
1978  char *hostp = NULL;
1979
1980  if (lhost == NULL)
1981  {
1982    strlcpy(luser, user_host_or_nick, USERLEN*4 + 1);
1983    return 1;
1984  }
1985
1986  if ((hostp = strchr(user_host_or_nick, '@')) || *user_host_or_nick == '*')
1987  {
1988    /* Explicit user@host mask given */
1989
1990    if (hostp != NULL)                            /* I'm a little user@host */
1991    {
1992      *(hostp++) = '\0';                       /* short and squat */
1993      if (*user_host_or_nick)
1994        strlcpy(luser, user_host_or_nick, USERLEN*4 + 1); /* here is my user */
1995      else
1996        strcpy(luser, "*");
1997      if (*hostp)
1998        strlcpy(lhost, hostp, HOSTLEN + 1);    /* here is my host */
1999      else
2000        strcpy(lhost, "*");
2001    }
2002    else
2003    {
2004      luser[0] = '*';             /* no @ found, assume its *@somehost */
2005      luser[1] = '\0';    
2006      strlcpy(lhost, user_host_or_nick, HOSTLEN*4 + 1);
2007    }
2008    
2009    return 1;
2010  }
2011  else
2012  {
2013    /* Try to find user@host mask from nick */
2014    /* Okay to use source_p as the first param, because source_p == client_p */
2015    if ((target_p =
2016        find_chasing(source_p, source_p, user_host_or_nick, NULL)) == NULL)
2017      return 0;
2018
2019    if (IsExemptKline(target_p))
2020    {
2021      if (!IsServer(source_p))
2022        sendto_one(source_p,
2023                   ":%s NOTICE %s :%s is E-lined",
2024                   me.name, source_p->name, target_p->name);
2025      return 0;
2026    }
2027
2028    /*
2029     * turn the "user" bit into "*user", blow away '~'
2030     * if found in original user name (non-idented)
2031     */
2032    strlcpy(luser, target_p->username, USERLEN*4 + 1);
2033
2034    if (target_p->username[0] == '~')
2035      luser[0] = '*';
2036
2037    if (target_p->sockhost[0] == '\0' ||
2038        (target_p->sockhost[0] == '0' && target_p->sockhost[1] == '\0'))
2039      strlcpy(lhost, target_p->host, HOSTLEN*4 + 1);
2040    else
2041      strlcpy(lhost, target_p->sockhost, HOSTLEN*4 + 1);
2042    return 1;
2043  }
2044
2045  return 0;
2046 }
2047
1767   /* valid_comment()
1768   *
1769   * inputs       - pointer to client
# Line 2082 | 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 2090 | 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 2102 | 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,
1837 <                         "%s %s %s", command, conf->name, buffer);
1837 >                         "%s %s %s", command, conf->name, buffer);
1838    }
1839   }
1840  
# Line 2154 | 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 2163 | Line 1884 | split_nuh(struct split_nuh_item *const i
1884    {
1885      *p = '\0';
1886  
1887 <    if (iptr->nickptr && *iptr->nuhmask != '\0')
1887 >    if (iptr->nickptr && *iptr->nuhmask)
1888        strlcpy(iptr->nickptr, iptr->nuhmask, iptr->nicksize);
1889  
1890 <    if ((q = strchr(++p, '@'))) {
1890 >    if ((q = strchr(++p, '@')))
1891 >    {
1892        *q++ = '\0';
1893  
1894 <      if (*p != '\0')
1894 >      if (*p)
1895          strlcpy(iptr->userptr, p, iptr->usersize);
1896  
1897 <      if (*q != '\0')
1897 >      if (*q)
1898          strlcpy(iptr->hostptr, q, iptr->hostsize);
1899      }
1900      else
1901      {
1902 <      if (*p != '\0')
1902 >      if (*p)
1903          strlcpy(iptr->userptr, p, iptr->usersize);
1904      }
1905    }
# Line 2189 | 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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