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Comparing:
ircd-hybrid-8/src/client.c (file contents), Revision 1483 by michael, Wed Jul 25 19:15:48 2012 UTC vs.
ircd-hybrid/trunk/src/client.c (file contents), Revision 7969 by michael, Mon Mar 13 19:28:30 2017 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  client.c: Controls clients.
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) 1997-2017 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 client.c
23 > * \brief Controls clients.
24 > * \version $Id$
25   */
26  
27   #include "stdinc.h"
28   #include "list.h"
29   #include "client.h"
28 #include "channel_mode.h"
30   #include "event.h"
30 #include "fdlist.h"
31   #include "hash.h"
32   #include "irc_string.h"
33   #include "ircd.h"
34 #include "s_gline.h"
34   #include "numeric.h"
35 < #include "packet.h"
37 < #include "s_auth.h"
35 > #include "auth.h"
36   #include "s_bsd.h"
37   #include "conf.h"
38 + #include "conf_gecos.h"
39   #include "log.h"
40 < #include "s_misc.h"
41 < #include "s_serv.h"
40 > #include "misc.h"
41 > #include "server.h"
42   #include "send.h"
43   #include "whowas.h"
44 < #include "s_user.h"
46 < #include "dbuf.h"
44 > #include "user.h"
45   #include "memory.h"
46 + #include "mempool.h"
47   #include "hostmask.h"
49 #include "balloc.h"
48   #include "listener.h"
51 #include "irc_res.h"
49   #include "userhost.h"
50   #include "watch.h"
51 + #include "rng_mt.h"
52 + #include "parse.h"
53 + #include "ipcache.h"
54  
55 dlink_list listing_client_list = { NULL, NULL, 0 };
56 /* Pointer to beginning of Client list */
57 dlink_list global_client_list = {NULL, NULL, 0};
58 /* unknown/client pointer lists */
59 dlink_list unknown_list = {NULL, NULL, 0};
60 dlink_list local_client_list = {NULL, NULL, 0};
61 dlink_list serv_list = {NULL, NULL, 0};
62 dlink_list global_serv_list = {NULL, NULL, 0};
63 dlink_list oper_list = {NULL, NULL, 0};
64
65 static EVH check_pings;
55  
56 < static BlockHeap *client_heap  = NULL;
57 < static BlockHeap *lclient_heap = NULL;
58 <
59 < static dlink_list dead_list  = { NULL, NULL, 0};
60 < static dlink_list abort_list = { NULL, NULL, 0};
56 > dlink_list listing_client_list;
57 > dlink_list unknown_list;
58 > dlink_list local_client_list;
59 > dlink_list local_server_list;
60 > dlink_list global_client_list;
61 > dlink_list global_server_list;
62 > dlink_list oper_list;
63  
64 + static mp_pool_t *client_pool, *connection_pool;
65 + static dlink_list dead_list, abort_list;
66   static dlink_node *eac_next;  /* next aborted client to exit */
67  
75 static void check_pings_list(dlink_list *);
76 static void check_unknowns_list(void);
77 static void ban_them(struct Client *, struct ConfItem *);
78
79
80 /* init_client()
81 *
82 * inputs       - NONE
83 * output       - NONE
84 * side effects - initialize client free memory
85 */
86 void
87 init_client(void)
88 {
89  /* start off the check ping event ..  -- adrian
90   * Every 30 seconds is plenty -- db
91   */
92  client_heap = BlockHeapCreate("client", sizeof(struct Client), CLIENT_HEAP_SIZE);
93  lclient_heap = BlockHeapCreate("local client", sizeof(struct LocalUser), LCLIENT_HEAP_SIZE);
94  eventAdd("check_pings", check_pings, NULL, 5);
95 }
68  
69   /*
70   * make_client - create a new Client struct and set it to initial state.
# Line 110 | Line 82 | init_client(void)
82   *                      'from'). ('from' is a local client!!).
83   */
84   struct Client *
85 < make_client(struct Client *from)
85 > client_make(struct Client *from)
86   {
87 <  struct Client *client_p = BlockHeapAlloc(client_heap);
87 >  struct Client *const client_p = mp_pool_get(client_pool);
88  
89 <  if (from == NULL)
89 >  if (from)
90 >    client_p->from = from;
91 >  else
92    {
93 <    client_p->from                      = client_p; /* 'from' of local client is self! */
94 <    client_p->localClient               = BlockHeapAlloc(lclient_heap);
95 <    client_p->localClient->since        = CurrentTime;
96 <    client_p->localClient->lasttime     = CurrentTime;
97 <    client_p->localClient->firsttime    = CurrentTime;
98 <    client_p->localClient->registration = REG_INIT;
93 >    client_p->from = client_p;  /* 'from' of local client is self! */
94 >    client_p->connection = mp_pool_get(connection_pool);
95 >    client_p->connection->since = CurrentTime;
96 >    client_p->connection->lasttime = CurrentTime;
97 >    client_p->connection->firsttime = CurrentTime;
98 >    client_p->connection->registration = REG_INIT;
99  
100      /* as good a place as any... */
101 <    dlinkAdd(client_p, &client_p->localClient->lclient_node, &unknown_list);
101 >    dlinkAdd(client_p, &client_p->connection->lclient_node, &unknown_list);
102    }
129  else
130    client_p->from = from; /* 'from' of local client is self! */
103  
104    client_p->idhnext = client_p;
105 <  client_p->hnext  = client_p;
106 <  client_p->status = STAT_UNKNOWN;
105 >  client_p->hnext = client_p;
106 >  SetUnknown(client_p);
107    strcpy(client_p->username, "unknown");
108 +  strcpy(client_p->account, "*");
109  
110    return client_p;
111   }
112  
113   /*
114 < * free_client
114 > * client_free
115   *
116   * inputs       - pointer to client
117   * output       - NONE
118   * side effects - client pointed to has its memory freed
119   */
120   static void
121 < free_client(struct Client *client_p)
121 > client_free(struct Client *client_p)
122   {
150  assert(client_p != NULL);
123    assert(client_p != &me);
124    assert(client_p->hnext == client_p);
125    assert(client_p->idhnext == client_p);
126    assert(client_p->channel.head == NULL);
127    assert(dlink_list_length(&client_p->channel) == 0);
128 <  assert(dlink_list_length(&client_p->whowas) == 0);
129 <  assert(!IsServer(client_p) || IsServer(client_p) && client_p->serv);
128 >  assert(dlink_list_length(&client_p->whowas_list) == 0);
129 >  assert(dlink_list_length(&client_p->svstags) == 0);
130  
131 <  MyFree(client_p->serv);
131 >  xfree(client_p->serv);
132 >  xfree(client_p->certfp);
133  
134    if (MyConnect(client_p))
135    {
136 <    assert(client_p->localClient->invited.head == NULL);
137 <    assert(dlink_list_length(&client_p->localClient->invited) == 0);
138 <    assert(dlink_list_length(&client_p->localClient->watches) == 0);
139 <    assert(IsClosing(client_p) && IsDead(client_p));
167 <
168 <    MyFree(client_p->localClient->response);
169 <    MyFree(client_p->localClient->auth_oper);
136 >    assert(client_p->connection->invited.head == NULL);
137 >    assert(dlink_list_length(&client_p->connection->invited) == 0);
138 >    assert(dlink_list_length(&client_p->connection->watches) == 0);
139 >    assert(HasFlag(client_p, FLAGS_CLOSING) && IsDead(client_p));
140  
141      /*
142 <     * clean up extra sockets from P-lines which have been discarded.
142 >     * Clean up extra sockets from listen {} blocks which have been discarded.
143       */
144 <    if (client_p->localClient->listener)
144 >    if (client_p->connection->listener)
145      {
146 <      assert(0 < client_p->localClient->listener->ref_count);
147 <      if (0 == --client_p->localClient->listener->ref_count &&
178 <          !client_p->localClient->listener->active)
179 <        free_listener(client_p->localClient->listener);
146 >      listener_release(client_p->connection->listener);
147 >      client_p->connection->listener = NULL;
148      }
149  
150 <    dbuf_clear(&client_p->localClient->buf_recvq);
151 <    dbuf_clear(&client_p->localClient->buf_sendq);
150 >    dbuf_clear(&client_p->connection->buf_recvq);
151 >    dbuf_clear(&client_p->connection->buf_sendq);
152  
153 <    BlockHeapFree(lclient_heap, client_p->localClient);
153 >    mp_pool_release(client_p->connection);
154    }
155  
156 <  BlockHeapFree(client_heap, client_p);
156 >  mp_pool_release(client_p);
157   }
158  
159 < /*
160 < * check_pings - go through the local client list and check activity
161 < * kill off stuff that should die
162 < *
163 < * inputs       - NOT USED (from event)
196 < * output       - next time_t when check_pings() should be called again
197 < * side effects -
198 < *
199 < *
200 < * A PING can be sent to clients as necessary.
201 < *
202 < * Client/Server ping outs are handled.
203 < */
159 > void
160 > client_attach_svstag(struct Client *client_p, unsigned int numeric,
161 >                     const char *umodes, const char *tag)
162 > {
163 >  const struct user_modes *tab = NULL;
164  
165 < /*
166 < * Addon from adrian. We used to call this after nextping seconds,
207 < * however I've changed it to run once a second. This is only for
208 < * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
209 < * run once a second makes life a lot easier - when a new client connects
210 < * and they need a ping in 4 seconds, if nextping was set to 20 seconds
211 < * we end up waiting 20 seconds. This is stupid. :-)
212 < * I will optimise (hah!) check_pings() once I've finished working on
213 < * tidying up other network IO evilnesses.
214 < *     -- adrian
215 < */
165 >  if (numeric >= ERR_LAST_ERR_MSG || *umodes != '+')
166 >    return;
167  
168 < static void
169 < check_pings(void *notused)
170 < {              
171 <  check_pings_list(&local_client_list);
172 <  check_pings_list(&serv_list);
173 <  check_unknowns_list();
168 >  struct ServicesTag *svstag = xcalloc(sizeof(*svstag));
169 >  svstag->numeric = numeric;
170 >  svstag->tag = xstrdup(tag);
171 >
172 >  for (const char *m = umodes + 1; *m; ++m)
173 >    if ((tab = umode_map[(unsigned char)*m]))
174 >      svstag->umodes |= tab->flag;
175 >
176 >  if (numeric != RPL_WHOISOPERATOR)
177 >    dlinkAddTail(svstag, &svstag->node, &client_p->svstags);
178 >  else
179 >    dlinkAdd(svstag, &svstag->node, &client_p->svstags);
180 > }
181 >
182 > void
183 > client_clear_svstags(struct Client *client_p)
184 > {
185 >  while (client_p->svstags.head)
186 >  {
187 >    struct ServicesTag *svstag = client_p->svstags.head->data;
188 >
189 >    dlinkDelete(&svstag->node, &client_p->svstags);
190 >    xfree(svstag->tag);
191 >    xfree(svstag);
192 >  }
193   }
194  
195   /* check_pings_list()
196   *
197   * inputs       - pointer to list to check
198   * output       - NONE
199 < * side effects -
199 > * side effects -
200   */
201   static void
202   check_pings_list(dlink_list *list)
203   {
204 <  char scratch[32];        /* way too generous but... */
205 <  struct Client *client_p; /* current local client_p being examined */
206 <  int ping, pingwarn;      /* ping time value from client */
237 <  dlink_node *ptr, *next_ptr;
204 >  char buf[32] = "";  /* 32 = sizeof("Ping timeout: 999999999 seconds") */
205 >  unsigned int ping = 0;      /* ping time value from client */
206 >  dlink_node *node = NULL, *node_next = NULL;
207  
208 <  DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
208 >  DLINK_FOREACH_SAFE(node, node_next, list->head)
209    {
210 <    client_p = ptr->data;
210 >    struct Client *client_p = node->data;
211  
243    /*
244    ** Note: No need to notify opers here. It's
245    ** already done when "FLAGS_DEADSOCKET" is set.
246    */
212      if (IsDead(client_p))
213 <    {
249 <      /* Ignore it, its been exited already */
250 <      continue;
251 <    }
213 >      continue;  /* Ignore it, its been exited already */
214  
215 <    if (client_p->localClient->reject_delay > 0)
216 <    {
255 <      if (client_p->localClient->reject_delay <= CurrentTime)
256 <        exit_client(client_p, &me, "Rejected");
257 <      continue;
258 <    }
259 <
260 <    if (!IsRegistered(client_p))
261 <      ping = CONNECTTIMEOUT, pingwarn = 0;
215 >    if (IsClient(client_p) || IsServer(client_p))
216 >      ping = get_client_ping(&client_p->connection->confs);
217      else
218 <      ping = get_client_ping(client_p, &pingwarn);
218 >      ping = CONNECTTIMEOUT;
219  
220 <    if (ping < CurrentTime - client_p->localClient->lasttime)
220 >    if (ping < CurrentTime - client_p->connection->lasttime)
221      {
222 <      if (!IsPingSent(client_p))
222 >      if (!HasFlag(client_p, FLAGS_PINGSENT))
223        {
224 <        /*
225 <         * if we havent PINGed the connection and we havent
226 <         * heard from it in a while, PING it to make sure
227 <         * it is still alive.
228 <         */
229 <        SetPingSent(client_p);
230 <        ClearPingWarning(client_p);
231 <        client_p->localClient->lasttime = CurrentTime - ping;
277 <        sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
224 >        /*
225 >         * If we haven't PINGed the connection and we haven't
226 >         * heard from it in a while, PING it to make sure
227 >         * it is still alive.
228 >         */
229 >        AddFlag(client_p, FLAGS_PINGSENT);
230 >        client_p->connection->lasttime = CurrentTime - ping;
231 >        sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
232        }
233        else
234        {
235 <        if (CurrentTime - client_p->localClient->lasttime >= 2 * ping)
235 >        if (CurrentTime - client_p->connection->lasttime >= 2 * ping)
236          {
237            /*
238             * If the client/server hasn't talked to us in 2*ping seconds
239             * and it has a ping time, then close its connection.
240             */
241            if (IsServer(client_p) || IsHandshake(client_p))
242 <          {
243 <            sendto_realops_flags(UMODE_ALL, L_ADMIN,
244 <                                 "No response from %s, closing link",
245 <                                 get_client_name(client_p, HIDE_IP));
246 <            sendto_realops_flags(UMODE_ALL, L_OPER,
247 <                                 "No response from %s, closing link",
248 <                                 get_client_name(client_p, MASK_IP));
249 <            ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
250 <                 get_client_name(client_p, HIDE_IP));
251 <          }
252 <
253 <          snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
254 <                   (int)(CurrentTime - client_p->localClient->lasttime));
255 <          exit_client(client_p, &me, scratch);
302 <        }
303 <        else if (!IsPingWarning(client_p) && pingwarn > 0 &&
304 <                 (IsServer(client_p) || IsHandshake(client_p)) &&
305 <                 CurrentTime - client_p->localClient->lasttime >= ping + pingwarn)
306 <        {
307 <          /*
308 <           * If the server hasn't replied in pingwarn seconds after sending
309 <           * the PING, notify the opers so that they are aware of the problem.
310 <           */
311 <          SetPingWarning(client_p);
312 <          sendto_realops_flags(UMODE_ALL, L_ADMIN,
313 <                               "Warning, no response from %s in %d seconds",
314 <                               get_client_name(client_p, HIDE_IP), pingwarn);
315 <          sendto_realops_flags(UMODE_ALL, L_OPER,
316 <                               "Warning, no response from %s in %d seconds",
317 <                               get_client_name(client_p, MASK_IP), pingwarn);
318 <          ilog(LOG_TYPE_IRCD, "No response from %s in %d seconds",
319 <               get_client_name(client_p, HIDE_IP), pingwarn);
242 >          {
243 >            sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
244 >                                 "No response from %s, closing link",
245 >                                 get_client_name(client_p, SHOW_IP));
246 >            sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
247 >                                 "No response from %s, closing link",
248 >                                 get_client_name(client_p, MASK_IP));
249 >            ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
250 >                 get_client_name(client_p, SHOW_IP));
251 >          }
252 >
253 >          snprintf(buf, sizeof(buf), "Ping timeout: %ji seconds",
254 >                   (CurrentTime - client_p->connection->lasttime));
255 >          exit_client(client_p, buf);
256          }
257        }
258      }
# Line 332 | Line 268 | check_pings_list(dlink_list *list)
268   static void
269   check_unknowns_list(void)
270   {
271 <  dlink_node *ptr, *next_ptr;
271 >  dlink_node *node = NULL, *node_next = NULL;
272  
273 <  DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
273 >  DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
274    {
275 <    struct Client *client_p = ptr->data;
340 <
341 <    if (client_p->localClient->reject_delay > 0)
342 <    {
343 <      if (client_p->localClient->reject_delay <= CurrentTime)
344 <        exit_client(client_p, &me, "Rejected");
345 <      continue;
346 <    }
275 >    struct Client *client_p = node->data;
276  
277      /*
278       * Check UNKNOWN connections - if they have been in this state
279       * for > 30s, close them.
280       */
281 <    if (IsAuthFinished(client_p) && (CurrentTime - client_p->localClient->firsttime) > 30)
282 <      exit_client(client_p, &me, "Registration timed out");
281 >    if (HasFlag(client_p, FLAGS_FINISHED_AUTH) && (CurrentTime - client_p->connection->firsttime) > 30)
282 >      exit_client(client_p, "Registration timed out");
283    }
284   }
285  
286 + /*
287 + * check_pings - go through the local client list and check activity
288 + * kill off stuff that should die
289 + *
290 + * inputs       - NOT USED (from event)
291 + * side effects -
292 + *
293 + *
294 + * A PING can be sent to clients as necessary.
295 + *
296 + * Client/Server ping outs are handled.
297 + */
298 +
299 + /*
300 + * Addon from adrian. We used to call this after nextping seconds,
301 + * however I've changed it to run once a second. This is only for
302 + * PING timeouts, not K/etc-line checks (thanks dianora!). Having it
303 + * run once a second makes life a lot easier - when a new client connects
304 + * and they need a ping in 4 seconds, if nextping was set to 20 seconds
305 + * we end up waiting 20 seconds. This is stupid. :-)
306 + * I will optimise (hah!) check_pings() once I've finished working on
307 + * tidying up other network IO evilnesses.
308 + *     -- adrian
309 + */
310 +
311 + static void
312 + check_pings(void *unused)
313 + {
314 +  check_pings_list(&local_client_list);
315 +  check_pings_list(&local_server_list);
316 +  check_unknowns_list();
317 + }
318 +
319   /* check_conf_klines()
320   *
321   * inputs       - NONE
# Line 361 | Line 323 | check_unknowns_list(void)
323   * side effects - Check all connections for a pending kline against the
324   *                client, exit the client if a kline matches.
325   */
326 < void
326 > void
327   check_conf_klines(void)
328 < {              
329 <  struct Client *client_p = NULL;       /* current local client_p being examined */
330 <  struct AccessItem *aconf = NULL;
369 <  struct ConfItem *conf = NULL;
370 <  dlink_node *ptr, *next_ptr;
328 > {
329 >  dlink_node *node = NULL, *node_next = NULL;
330 >  const void *ptr;
331  
332 <  DLINK_FOREACH_SAFE(ptr, next_ptr, local_client_list.head)
332 >  DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
333    {
334 <    client_p = ptr->data;
334 >    struct Client *client_p = node->data;
335  
336 <    /* If a client is already being exited
337 <     */
378 <    if (IsDead(client_p) || !IsClient(client_p))
336 >    /* If a client is already being exited */
337 >    if (IsDead(client_p))
338        continue;
339  
340 <    /* if there is a returned struct ConfItem then kill it */
341 <    if ((aconf = find_dline_conf(&client_p->localClient->ip,
383 <                                  client_p->localClient->aftype)) != NULL)
340 >    if ((ptr = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE,
341 >                                    client_p->connection->aftype, NULL, NULL, 1)))
342      {
343 <      if (aconf->status & CONF_EXEMPTDLINE)
344 <        continue;
345 <
388 <      conf = unmap_conf_item(aconf);
389 <      ban_them(client_p, conf);
390 <      continue; /* and go examine next fd/client_p */
343 >      const struct MaskItem *conf = ptr;
344 >      conf_try_ban(client_p, CLIENT_BAN_DLINE, conf->reason);
345 >      continue;  /* and go examine next Client */
346      }
347  
348 <    if (ConfigFileEntry.glines && (aconf = find_gline(client_p)))
349 <    {
350 <      if (IsExemptKline(client_p) ||
396 <          IsExemptGline(client_p))
397 <      {
398 <        sendto_realops_flags(UMODE_ALL, L_ALL,
399 <                             "GLINE over-ruled for %s, client is %sline_exempt",
400 <                             get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
401 <        continue;
402 <      }
403 <
404 <      conf = unmap_conf_item(aconf);
405 <      ban_them(client_p, conf);
406 <      /* and go examine next fd/client_p */    
407 <      continue;
408 <    }
409 <
410 <    if ((aconf = find_kill(client_p)) != NULL)
348 >    if ((ptr = find_conf_by_address(client_p->host, &client_p->connection->ip,
349 >                                    CONF_KLINE, client_p->connection->aftype,
350 >                                    client_p->username, NULL, 1)))
351      {
352 <
353 <      /* if there is a returned struct AccessItem.. then kill it */
354 <      if (IsExemptKline(client_p))
415 <      {
416 <        sendto_realops_flags(UMODE_ALL, L_ALL,
417 <                             "KLINE over-ruled for %s, client is kline_exempt",
418 <                             get_client_name(client_p, HIDE_IP));
419 <        continue;
420 <      }
421 <
422 <      conf = unmap_conf_item(aconf);
423 <      ban_them(client_p, conf);
424 <      continue;
352 >      const struct MaskItem *conf = ptr;
353 >      conf_try_ban(client_p, CLIENT_BAN_KLINE, conf->reason);
354 >      continue;  /* and go examine next Client */
355      }
356  
357 <    /* if there is a returned struct MatchItem then kill it */
428 <    if ((conf = find_matching_name_conf(XLINE_TYPE,  client_p->info,
429 <                                        NULL, NULL, 0)) != NULL ||
430 <        (conf = find_matching_name_conf(RXLINE_TYPE, client_p->info,
431 <                                        NULL, NULL, 0)) != NULL)
357 >    if ((ptr = gecos_find(client_p->info, match)))
358      {
359 <      ban_them(client_p, conf);
360 <      continue;
359 >      const struct GecosItem *conf = ptr;
360 >      conf_try_ban(client_p, CLIENT_BAN_XLINE, conf->reason);
361 >      continue;  /* and go examine next Client */
362      }
363    }
364  
365 <  /* also check the unknowns list for new dlines */
366 <  DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
365 >  /* Also check the unknowns list for new dlines */
366 >  DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
367    {
368 <    client_p = ptr->data;
368 >    struct Client *client_p = node->data;
369  
370 <    if ((aconf = find_dline_conf(&client_p->localClient->ip,
371 <                                  client_p->localClient->aftype)))
370 >    if ((ptr = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE,
371 >                                    client_p->connection->aftype, NULL, NULL, 1)))
372      {
373 <      if (aconf->status & CONF_EXEMPTDLINE)
374 <        continue;
375 <
449 <      exit_client(client_p, &me, "D-lined");
373 >      const struct MaskItem *conf = ptr;
374 >      conf_try_ban(client_p, CLIENT_BAN_DLINE, conf->reason);
375 >      continue;  /* and go examine next Client */
376      }
377    }
378   }
379  
380   /*
381 < * ban_them
381 > * conf_try_ban
382   *
383   * inputs       - pointer to client to ban
384 < *              - pointer to ConfItem
384 > *              - pointer to MaskItem
385   * output       - NONE
386   * side effects - given client_p is banned
387   */
388 < static void
389 < ban_them(struct Client *client_p, struct ConfItem *conf)
388 > void
389 > conf_try_ban(struct Client *client_p, int type, const char *reason)
390   {
391 <  const char *user_reason = NULL;       /* What is sent to user */
392 <  const char *channel_reason = NULL;    /* What is sent to channel */
393 <  struct AccessItem *aconf = NULL;
394 <  struct MatchItem *xconf = NULL;
395 <  const char *type_string = NULL;
396 <  const char dline_string[] = "D-line";
397 <  const char kline_string[] = "K-line";
398 <  const char gline_string[] = "G-line";
399 <  const char xline_string[] = "X-line";
400 <
401 <  switch (conf->type)
402 <  {
403 <    case RKLINE_TYPE:
404 <    case KLINE_TYPE:
479 <      type_string = kline_string;
480 <      aconf = map_to_conf(conf);
481 <      break;
482 <    case DLINE_TYPE:
483 <      type_string = dline_string;
484 <      aconf = map_to_conf(conf);
391 >  char ban_type = '?';
392 >
393 >  switch (type)
394 >  {
395 >    case CLIENT_BAN_KLINE:
396 >      if (HasFlag(client_p, FLAGS_EXEMPTKLINE))
397 >      {
398 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
399 >                             "KLINE over-ruled for %s, client is kline_exempt",
400 >                             get_client_name(client_p, HIDE_IP));
401 >        return;
402 >      }
403 >
404 >      ban_type = 'K';
405        break;
406 <    case GLINE_TYPE:
407 <      type_string = gline_string;
408 <      aconf = map_to_conf(conf);
406 >    case CLIENT_BAN_DLINE:
407 >      if (find_conf_by_address(NULL, &client_p->connection->ip, CONF_EXEMPT,
408 >                               client_p->connection->aftype, NULL, NULL, 1))
409 >        return;
410 >      ban_type = 'D';
411        break;
412 <    case RXLINE_TYPE:
413 <    case XLINE_TYPE:
414 <      type_string = xline_string;
415 <      xconf = map_to_conf(conf);
416 <      ++xconf->count;
412 >    case CLIENT_BAN_XLINE:
413 >      if (HasFlag(client_p, FLAGS_EXEMPTXLINE))
414 >      {
415 >        sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
416 >                             "XLINE over-ruled for %s, client is xline_exempt",
417 >                             get_client_name(client_p, HIDE_IP));
418 >        return;
419 >      }
420 >
421 >      ban_type = 'X';
422        break;
423      default:
424        assert(0);
425        break;
426    }
427  
428 <  if (ConfigFileEntry.kline_with_reason)
429 <  {
503 <    if (aconf != NULL)
504 <      user_reason = aconf->reason ? aconf->reason : type_string;
505 <    if (xconf != NULL)
506 <      user_reason = xconf->reason ? xconf->reason : type_string;
507 <  }
508 <  else
509 <    user_reason = type_string;
510 <
511 <  if (ConfigFileEntry.kline_reason != NULL)
512 <    channel_reason = ConfigFileEntry.kline_reason;
513 <  else
514 <    channel_reason = user_reason;
515 <
516 <  sendto_realops_flags(UMODE_ALL, L_ALL, "%s active for %s",
517 <                       type_string, get_client_name(client_p, HIDE_IP));
518 <
519 <  if (IsClient(client_p))
520 <    sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
521 <               me.name, client_p->name, user_reason);
522 <
523 <  exit_client(client_p, &me, channel_reason);
524 < }
428 >  sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "%c-line active for %s",
429 >                       ban_type, get_client_name(client_p, HIDE_IP));
430  
526 /* update_client_exit_stats()
527 *
528 * input        - pointer to client
529 * output       - NONE
530 * side effects -
531 */
532 static void
533 update_client_exit_stats(struct Client *client_p)
534 {
431    if (IsClient(client_p))
432 <  {
537 <    assert(Count.total > 0);
538 <    --Count.total;
539 <    if (HasUMode(client_p, UMODE_OPER))
540 <      --Count.oper;
541 <    if (HasUMode(client_p, UMODE_INVISIBLE))
542 <      --Count.invisi;
543 <  }
544 <  else if (IsServer(client_p))
545 <    sendto_realops_flags(UMODE_EXTERNAL, L_ALL, "Server %s split from %s",
546 <                         client_p->name, client_p->servptr->name);
432 >    sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, reason);
433  
434 <  if (splitchecking && !splitmode)
549 <    check_splitmode(NULL);
434 >  exit_client(client_p, reason);
435   }
436  
437   /* find_person()
# Line 555 | Line 440 | update_client_exit_stats(struct Client *
440   * output       - return client pointer
441   * side effects - find person by (nick)name
442   */
558 /* XXX - ugly wrapper */
443   struct Client *
444 < find_person(const struct Client *client_p, const char *name)
444 > find_person(const struct Client *source_p, const char *name)
445   {
446 <  struct Client *c2ptr;
446 >  struct Client *target_p = NULL;
447  
448    if (IsDigit(*name))
449    {
450 <    if ((c2ptr = hash_find_id(name)) != NULL)
451 <    {
568 <      /* invisible users shall not be found by UID guessing */
569 <      if (HasUMode(c2ptr, UMODE_INVISIBLE) && !IsServer(client_p))
570 <        c2ptr = NULL;
571 <    }
450 >    if (IsServer(source_p->from))
451 >      target_p = hash_find_id(name);
452    }
453    else
454 <    c2ptr = hash_find_client(name);
454 >    target_p = hash_find_client(name);
455  
456 <  return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
456 >  return (target_p && IsClient(target_p)) ? target_p : NULL;
457   }
458  
459   /*
460 < * find_chasing - find the client structure for a nick name (user)
461 < *      using history mechanism if necessary. If the client is not found,
462 < *      an error message (NO SUCH NICK) is generated. If the client was found
583 < *      through the history, chasing will be 1 and otherwise 0.
460 > * find_chasing - find the client structure for a nick name (name)
461 > *      using history mechanism if necessary. If the client is not found,
462 > *      an error message (NO SUCH NICK) is generated.
463   */
464   struct Client *
465 < find_chasing(struct Client *client_p, struct Client *source_p, const char *user, int *chasing)
465 > find_chasing(struct Client *source_p, const char *name)
466   {
467 <  struct Client *who = find_person(client_p, user);
589 <
590 <  if (chasing)
591 <    *chasing = 0;
592 <
593 <  if (who)
594 <    return who;
467 >  struct Client *target_p = find_person(source_p, name);
468  
469 <  if (IsDigit(*user))
470 <    return NULL;
469 >  if (target_p)
470 >    return target_p;
471  
472 <  if ((who = get_history(user,
600 <                        (time_t)ConfigFileEntry.kill_chase_time_limit))
601 <                         == NULL)
602 <  {
603 <    sendto_one(source_p, form_str(ERR_NOSUCHNICK),
604 <               me.name, source_p->name, user);
472 >  if (IsDigit(*name))
473      return NULL;
606  }
474  
475 <  if (chasing)
476 <    *chasing = 1;
475 >  target_p = whowas_get_history(name, ConfigGeneral.kill_chase_time_limit);
476 >  if (!target_p)
477 >    sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name);
478  
479 <  return who;
479 >  return target_p;
480   }
481  
482   /*
# Line 620 | Line 488 | find_chasing(struct Client *client_p, st
488   *        But, this can be used to any client structure.
489   *
490   * NOTE 1:
491 < *        Watch out the allocation of "nbuf", if either source_p->name
491 > *        Watch out the allocation of "buf", if either source_p->name
492   *        or source_p->sockhost gets changed into pointers instead of
493   *        directly allocated within the structure...
494   *
495   * NOTE 2:
496   *        Function return either a pointer to the structure (source_p) or
497 < *        to internal buffer (nbuf). *NEVER* use the returned pointer
497 > *        to internal buffer (buf). *NEVER* use the returned pointer
498   *        to modify what it points!!!
499   */
500   const char *
501 < get_client_name(const struct Client *client, enum addr_mask_type type)
501 > get_client_name(const struct Client *client_p, enum addr_mask_type type)
502   {
503 <  static char nbuf[HOSTLEN * 2 + USERLEN + 5];
503 >  static char buf[HOSTLEN * 2 + USERLEN + 4];  /* +4 for [,@,],\0 */
504  
505 <  assert(client != NULL);
505 >  if (!MyConnect(client_p))
506 >    return client_p->name;
507  
508 <  if (!MyConnect(client))
640 <    return client->name;
641 <
642 <  if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
508 >  if (IsServer(client_p) || IsConnecting(client_p) || IsHandshake(client_p))
509    {
510 <    if (!irccmp(client->name, client->host))
511 <      return client->name;
510 >    if (!irccmp(client_p->name, client_p->host))
511 >      return client_p->name;
512      else if (ConfigServerHide.hide_server_ips)
513        type = MASK_IP;
514    }
515  
650  if (ConfigFileEntry.hide_spoof_ips)
651    if (type == SHOW_IP && IsIPSpoof(client))
652      type = MASK_IP;
653
516    /* And finally, let's get the host information, ip or name */
517    switch (type)
518    {
519      case SHOW_IP:
520 <      snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
521 <               client->name,
522 <               client->username, client->sockhost);
520 >      snprintf(buf, sizeof(buf), "%s[%s@%s]",
521 >               client_p->name,
522 >               client_p->username, client_p->sockhost);
523        break;
524      case MASK_IP:
525 <      if (client->localClient->aftype == AF_INET)
526 <        snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
527 <                 client->name, client->username);
525 >      if (client_p->connection->aftype == AF_INET)
526 >        snprintf(buf, sizeof(buf), "%s[%s@255.255.255.255]",
527 >                 client_p->name, client_p->username);
528        else
529 <        snprintf(nbuf, sizeof(nbuf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
530 <                 client->name, client->username);
529 >        snprintf(buf, sizeof(buf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
530 >                 client_p->name, client_p->username);
531        break;
532 <    default:
533 <      snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
534 <               client->name,
535 <               client->username, client->host);
532 >    default:  /* HIDE_IP */
533 >      snprintf(buf, sizeof(buf), "%s[%s@%s]",
534 >               client_p->name,
535 >               client_p->username, client_p->host);
536    }
537  
538 <  return nbuf;
538 >  return buf;
539   }
540  
541   void
542   free_exited_clients(void)
543   {
544 <  dlink_node *ptr = NULL, *next = NULL;
545 <  
546 <  DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
544 >  dlink_node *node = NULL, *node_next = NULL;
545 >
546 >  DLINK_FOREACH_SAFE(node, node_next, dead_list.head)
547    {
548 <    free_client(ptr->data);
549 <    dlinkDelete(ptr, &dead_list);
550 <    free_dlink_node(ptr);
548 >    client_free(node->data);
549 >    dlinkDelete(node, &dead_list);
550 >    free_dlink_node(node);
551    }
552   }
553  
# Line 696 | Line 558 | free_exited_clients(void)
558   * The only messages generated are QUITs on channels.
559   */
560   static void
561 < exit_one_client(struct Client *source_p, const char *quitmsg)
561 > exit_one_client(struct Client *source_p, const char *comment)
562   {
563 <  dlink_node *lp = NULL, *next_lp = NULL;
563 >  dlink_node *node = NULL, *node_next = NULL;
564  
565    assert(!IsMe(source_p));
566 +  assert(source_p != &me);
567  
568    if (IsClient(source_p))
569    {
570 <    if (source_p->servptr->serv != NULL)
571 <      dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
570 >    if (HasUMode(source_p, UMODE_OPER))
571 >      --Count.oper;
572 >    if (HasUMode(source_p, UMODE_INVISIBLE))
573 >      --Count.invisi;
574 >
575 >    dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
576 >    dlinkDelete(&source_p->node, &global_client_list);
577  
578      /*
579       * If a person is on a channel, send a QUIT notice
# Line 713 | Line 581 | exit_one_client(struct Client *source_p,
581       * that the client can show the "**signoff" message).
582       * (Note: The notice is to the local clients *only*)
583       */
584 <    sendto_common_channels_local(source_p, 0, ":%s!%s@%s QUIT :%s",
584 >    sendto_common_channels_local(source_p, 0, 0, 0, ":%s!%s@%s QUIT :%s",
585                                   source_p->name, source_p->username,
586 <                                 source_p->host, quitmsg);
587 <    DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
588 <      remove_user_from_channel(lp->data);
586 >                                 source_p->host, comment);
587 >
588 >    DLINK_FOREACH_SAFE(node, node_next, source_p->channel.head)
589 >      remove_user_from_channel(node->data);
590 >
591 >    client_clear_svstags(source_p);
592  
593 <    add_history(source_p, 0);
594 <    off_history(source_p);
593 >    whowas_add_history(source_p, 0);
594 >    whowas_off_history(source_p);
595  
596      watch_check_hash(source_p, RPL_LOGOFF);
597  
598      if (MyConnect(source_p))
599      {
600 <      /* Clean up invitefield */
730 <      DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
731 <        del_invite(lp->data, source_p);
732 <
600 >      clear_invite_list(&source_p->connection->invited);
601        del_all_accepts(source_p);
602      }
603    }
604    else if (IsServer(source_p))
605    {
606 <    dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
606 >    sendto_realops_flags(UMODE_EXTERNAL, L_ALL, SEND_NOTICE,
607 >                         "Server %s split from %s",
608 >                         source_p->name, source_p->servptr->name);
609  
610 <    if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
611 <      free_dlink_node(lp);
610 >    dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
611 >    dlinkDelete(&source_p->node, &global_server_list);
612    }
613  
614    /* Remove source_p from the client lists */
615 <  if (HasID(source_p))
615 >  if (source_p->id[0])
616      hash_del_id(source_p);
617 +
618    if (source_p->name[0])
619      hash_del_client(source_p);
620  
621 <  if (IsUserHostIp(source_p))
622 <    delete_user_host(source_p->username, source_p->host, !MyConnect(source_p));
752 <
753 <  /* remove from global client list
754 <   * NOTE: source_p->node.next cannot be NULL if the client is added
755 <   *       to global_client_list (there is always &me at its end)
756 <   */
757 <  if (source_p != NULL && source_p->node.next != NULL)
758 <    dlinkDelete(&source_p->node, &global_client_list);
759 <
760 <  update_client_exit_stats(source_p);
621 >  if (HasFlag(source_p, FLAGS_USERHOST))
622 >    userhost_del(source_p->sockhost, !MyConnect(source_p));
623  
624    /* Check to see if the client isn't already on the dead list */
625    assert(dlinkFind(&dead_list, source_p) == NULL);
# Line 767 | Line 629 | exit_one_client(struct Client *source_p,
629    dlinkAdd(source_p, make_dlink_node(), &dead_list);
630   }
631  
632 < /* Recursively send QUITs and SQUITs for source_p and all its dependent clients
771 < * and servers to those servers that need them.  A server needs the client
772 < * QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
773 < * isn't getting the SQUIT because of @#(*&@)# hostmasking.  With TS4, once
774 < * a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
775 < * on that one -orabidoo
776 < *
777 < * This is now called on each local server -adx
778 < */
779 < static void
780 < recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
781 <                   struct Client *from, struct Client *to, const char *comment,
782 <                   const char *splitstr)
783 < {
784 <  dlink_node *ptr, *next;
785 <  struct Client *target_p;
786 <  int hidden = match(me.name, source_p->name); /* XXX */
787 <
788 <  assert(to != source_p);  /* should be already removed from serv_list */
789 <
790 <  /* If this server can handle quit storm (QS) removal
791 <   * of dependents, just send the SQUIT
792 <   *
793 <   * Always check *all* dependent servers if some of them are
794 <   * hidden behind fakename. If so, send out the QUITs -adx
795 <   */
796 <  if (hidden || !IsCapable(to, CAP_QS))
797 <    DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
798 <    {
799 <      target_p = ptr->data;
800 <      sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
801 <    }
802 <
803 <  DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
804 <    recurse_send_quits(original_source_p, ptr->data, from, to,
805 <                       comment, splitstr);
806 <
807 <  if (!hidden && ((source_p == original_source_p && to != from) ||
808 <                  !IsCapable(to, CAP_QS)))
809 <  {
810 <    /* don't use a prefix here - we have to be 100% sure the message
811 <     * will be accepted without Unknown prefix etc.. */
812 <    sendto_one(to, "SQUIT %s :%s", ID_or_name(source_p, to), comment);
813 <  }
814 < }
815 <
816 < /*
632 > /*
633   * Remove all clients that depend on source_p; assumes all (S)QUITs have
634 < * already been sent.  we make sure to exit a server's dependent clients
635 < * and servers before the server itself; exit_one_client takes care of
634 > * already been sent.  we make sure to exit a server's dependent clients
635 > * and servers before the server itself; exit_one_client takes care of
636   * actually removing things off llists.   tweaked from +CSr31  -orabidoo
637   */
638   static void
639 < recurse_remove_clients(struct Client *source_p, const char *quitmsg)
639 > recurse_remove_clients(struct Client *source_p, const char *comment)
640   {
641 <  dlink_node *ptr, *next;
641 >  dlink_node *node = NULL, *node_next = NULL;
642  
643 <  DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
644 <    exit_one_client(ptr->data, quitmsg);
643 >  DLINK_FOREACH_SAFE(node, node_next, source_p->serv->client_list.head)
644 >    exit_one_client(node->data, comment);
645  
646 <  DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
646 >  DLINK_FOREACH_SAFE(node, node_next, source_p->serv->server_list.head)
647    {
648 <    recurse_remove_clients(ptr->data, quitmsg);
649 <    exit_one_client(ptr->data, quitmsg);
648 >    recurse_remove_clients(node->data, comment);
649 >    exit_one_client(node->data, comment);
650    }
651   }
652  
653   /*
838 ** Remove *everything* that depends on source_p, from all lists, and sending
839 ** all necessary QUITs and SQUITs.  source_p itself is still on the lists,
840 ** and its SQUITs have been sent except for the upstream one  -orabidoo
841 */
842 static void
843 remove_dependents(struct Client *source_p, struct Client *from,
844                  const char *comment, const char *splitstr)
845 {
846  dlink_node *ptr = NULL;
847
848  DLINK_FOREACH(ptr, serv_list.head)
849    recurse_send_quits(source_p, source_p, from, ptr->data,
850                       comment, splitstr);
851
852  recurse_remove_clients(source_p, splitstr);
853 }
854
855 /*
654   * exit_client - exit a client of any type. Generally, you can use
655   * this on any struct Client, regardless of its state.
656   *
657   * Note, you shouldn't exit remote _users_ without first doing
658   * AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message.
659 + *
660   * However, it is perfectly correct to call exit_client to force a _server_
661   * quit (either local or remote one).
662   *
663 + *
664   * inputs:       - a client pointer that is going to be exited
865 *               - for servers, the second argument is a pointer to who
866 *                 is firing the server. This side won't get any generated
867 *                 messages. NEVER NULL!
665   * output:       none
666   * side effects: the client is delinked from all lists, disconnected,
667   *               and the rest of IRC network is notified of the exit.
668   *               Client memory is scheduled to be freed
669   */
670   void
671 < exit_client(struct Client *source_p, struct Client *from, const char *comment)
671 > exit_client(struct Client *source_p, const char *comment)
672   {
673 <  dlink_node *m = NULL;
673 >  dlink_node *node = NULL;
674 >
675 >  assert(!IsMe(source_p));
676 >  assert(source_p != &me);
677  
678    if (MyConnect(source_p))
679    {
680      /* DO NOT REMOVE. exit_client can be called twice after a failed
681       * read/write.
682       */
683 <    if (IsClosing(source_p))
683 >    if (HasFlag(source_p, FLAGS_CLOSING))
684        return;
685  
686 <    SetClosing(source_p);
686 >    AddFlag(source_p, FLAGS_CLOSING);
687  
688 <    if (IsIpHash(source_p))
889 <      remove_one_ip(&source_p->localClient->ip);
890 <
891 <    if (source_p->localClient->auth)
688 >    if (HasFlag(source_p, FLAGS_IPHASH))
689      {
690 <      delete_auth(source_p->localClient->auth);
691 <      source_p->localClient->auth = NULL;
690 >      DelFlag(source_p, FLAGS_IPHASH);
691 >      ipcache_remove_address(&source_p->connection->ip);
692      }
693  
694 <    /* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
898 <     * STAT_HANDSHAKE or STAT_UNKNOWN
899 <     * all of which are lumped together into unknown_list
900 <     *
901 <     * In all above cases IsRegistered() will not be true.
902 <     */
903 <    if (!IsRegistered(source_p))
904 <    {
905 <      assert(dlinkFind(&unknown_list, source_p));
694 >    auth_delete(&source_p->connection->auth);
695  
696 <      dlinkDelete(&source_p->localClient->lclient_node, &unknown_list);
908 <    }
909 <    else if (IsClient(source_p))
696 >    if (IsClient(source_p))
697      {
911      time_t on_for = CurrentTime - source_p->localClient->firsttime;
912      assert(Count.local > 0);
913      Count.local--;
914
698        if (HasUMode(source_p, UMODE_OPER))
699 <      {
700 <        if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
918 <          free_dlink_node(m);
919 <      }
699 >        if ((node = dlinkFindDelete(&oper_list, source_p)))
700 >          free_dlink_node(node);
701  
702        assert(dlinkFind(&local_client_list, source_p));
703 <      dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
703 >      dlinkDelete(&source_p->connection->lclient_node, &local_client_list);
704  
705 <      if (source_p->localClient->list_task != NULL)
706 <        free_list_task(source_p->localClient->list_task, source_p);
705 >      if (source_p->connection->list_task)
706 >        free_list_task(source_p);
707  
708        watch_del_watch_list(source_p);
709 <      sendto_realops_flags(UMODE_CCONN, L_ALL, "Client exiting: %s (%s@%s) [%s] [%s]",
710 <                           source_p->name, source_p->username, source_p->host, comment,
711 <                           ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
712 <                           "255.255.255.255" : source_p->sockhost);
713 <      sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, "CLIEXIT: %s %s %s %s 0 %s",
714 <                           source_p->name,
715 <                           source_p->username,
716 <                           source_p->host,
717 <                           ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
937 <                           "255.255.255.255" : source_p->sockhost,
938 <                           comment);
939 <      ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
940 <           myctime(source_p->localClient->firsttime), (unsigned int)(on_for / 3600),
941 <           (unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
709 >
710 >      sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
711 >                           "Client exiting: %s (%s@%s) [%s] [%s]",
712 >                           source_p->name, source_p->username, source_p->host,
713 >                           source_p->sockhost, comment);
714 >
715 >      ilog(LOG_TYPE_USER, "%s (%ju): %s!%s@%s %s %s %ju/%ju :%s",
716 >           date_ctime(source_p->connection->firsttime),
717 >           CurrentTime - source_p->connection->firsttime,
718             source_p->name, source_p->username, source_p->host,
719 <           source_p->localClient->send.bytes>>10,
720 <           source_p->localClient->recv.bytes>>10);
719 >           source_p->sockhost, source_p->account,
720 >           source_p->connection->send.bytes >> 10,
721 >           source_p->connection->recv.bytes >> 10, source_p->info);
722      }
723 <
947 <    /* As soon as a client is known to be a server of some sort
948 <     * it has to be put on the serv_list, or SJOIN's to this new server
949 <     * from the connect burst will not be seen.
950 <     * XXX - TBV.  This is not true. The only place where we put a server on
951 <     * serv_list is in server_estab right now after registration process.
952 <     * And only after this, a burst is sent to the remote server, i.e. we never
953 <     * send a burst to STAT_CONNECTING, or STAT_HANDSHAKE. This will need
954 <     * more investigation later on, but for now, it's not a problem after all.
955 <     */
956 <    if (IsServer(source_p) || IsConnecting(source_p) ||
957 <        IsHandshake(source_p))
723 >    else if (IsServer(source_p))
724      {
725 <      if (dlinkFind(&serv_list, source_p))
726 <      {
727 <        dlinkDelete(&source_p->localClient->lclient_node, &serv_list);
728 <        unset_chcap_usage_counts(source_p);
729 <      }
730 <
731 <      if (IsServer(source_p))
966 <        Count.myserver--;
725 >      assert(dlinkFind(&local_server_list, source_p));
726 >      dlinkDelete(&source_p->connection->lclient_node, &local_server_list);
727 >    }
728 >    else
729 >    {
730 >      assert(dlinkFind(&unknown_list, source_p));
731 >      dlinkDelete(&source_p->connection->lclient_node, &unknown_list);
732      }
733  
734      if (!IsDead(source_p))
735      {
736        if (IsServer(source_p))
737        {
738 <        /* for them, we are exiting the network */
739 <        sendto_one(source_p, ":%s SQUIT %s :%s",
740 <                   ID_or_name(from, source_p), me.name, comment);
738 >        if (!HasFlag(source_p, FLAGS_SQUIT))
739 >        {
740 >          /* for them, we are exiting the network */
741 >          sendto_one(source_p, ":%s SQUIT %s :%s",
742 >                     me.id, me.id, comment);
743 >        }
744        }
745  
746        sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
747                   source_p->host, comment);
748      }
749  
982    /*
983    ** Currently only server connections can have
984    ** depending remote clients here, but it does no
985    ** harm to check for all local clients. In
986    ** future some other clients than servers might
987    ** have remotes too...
988    **
989    ** Close the Client connection first and mark it
990    ** so that no messages are attempted to send to it.
991    ** Remember it makes source_p->from == NULL.
992    */
750      close_connection(source_p);
751    }
752 +  else if (IsClient(source_p) && HasFlag(source_p->servptr, FLAGS_EOB))
753 +    sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
754 +                         "Client exiting at %s: %s (%s@%s) [%s] [%s]",
755 +                         source_p->servptr->name, source_p->name,
756 +                         source_p->username, source_p->host, source_p->sockhost, comment);
757  
758    if (IsServer(source_p))
759    {
760 <    char splitstr[HOSTLEN + HOSTLEN + 2];
760 >    char splitstr[HOSTLEN + HOSTLEN + 2] = "";
761  
762 <    /* This shouldn't ever happen */
763 <    assert(source_p->serv != NULL && source_p->servptr != NULL);
762 >    assert(source_p->serv);
763 >    assert(source_p->servptr);
764  
765      if (ConfigServerHide.hide_servers)
766        /*
767 <       * Set netsplit message to "*.net *.split" to still show
767 >       * Set netsplit message to "*.net *.split" to still show
768         * that its a split, but hide the servers splitting
769         */
770 <      strcpy(splitstr, "*.net *.split");
770 >      strlcpy(splitstr, "*.net *.split", sizeof(splitstr));
771      else
772        snprintf(splitstr, sizeof(splitstr), "%s %s",
773                 source_p->servptr->name, source_p->name);
774  
775 <    remove_dependents(source_p, from->from, comment, splitstr);
775 >    /* Send SQUIT for source_p in every direction. source_p is already off of local_server_list here */
776 >    if (!HasFlag(source_p, FLAGS_SQUIT))
777 >      sendto_server(NULL, 0, 0, "SQUIT %s :%s", source_p->id, comment);
778  
779 <    if (source_p->servptr == &me)
779 >    /* Now exit the clients internally */
780 >    recurse_remove_clients(source_p, splitstr);
781 >
782 >    if (MyConnect(source_p))
783      {
784 <      sendto_realops_flags(UMODE_ALL, L_ALL,
785 <                           "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
786 <                           source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
787 <                           source_p->localClient->send.bytes >> 10,
788 <                           source_p->localClient->recv.bytes >> 10);
789 <      ilog(LOG_TYPE_IRCD, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
790 <           source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
791 <           source_p->localClient->send.bytes >> 10,
792 <           source_p->localClient->recv.bytes >> 10);
784 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
785 >                           "%s was connected for %s. %ju/%ju sendK/recvK.",
786 >                           source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime),
787 >                           source_p->connection->send.bytes >> 10,
788 >                           source_p->connection->recv.bytes >> 10);
789 >      ilog(LOG_TYPE_IRCD, "%s was connected for %s. %ju/%ju sendK/recvK.",
790 >           source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime),
791 >           source_p->connection->send.bytes >> 10,
792 >           source_p->connection->recv.bytes >> 10);
793      }
794    }
795    else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
796 <  {
1030 <    sendto_server(from->from, CAP_TS6, NOCAPS,
1031 <                  ":%s QUIT :%s", ID(source_p), comment);
1032 <    sendto_server(from->from, NOCAPS, CAP_TS6,
1033 <                  ":%s QUIT :%s", source_p->name, comment);
1034 <  }
796 >    sendto_server(source_p->from, 0, 0, ":%s QUIT :%s", source_p->id, comment);
797  
798    /* The client *better* be off all of the lists */
799    assert(dlinkFind(&unknown_list, source_p) == NULL);
800    assert(dlinkFind(&local_client_list, source_p) == NULL);
801 <  assert(dlinkFind(&serv_list, source_p) == NULL);
801 >  assert(dlinkFind(&local_server_list, source_p) == NULL);
802    assert(dlinkFind(&oper_list, source_p) == NULL);
803  
804    exit_one_client(source_p, comment);
# Line 1049 | Line 811 | exit_client(struct Client *source_p, str
811   void
812   dead_link_on_write(struct Client *client_p, int ierrno)
813   {
814 <  dlink_node *ptr;
814 >  dlink_node *node;
815  
816    if (IsDefunct(client_p))
817      return;
818  
819 <  dbuf_clear(&client_p->localClient->buf_recvq);
820 <  dbuf_clear(&client_p->localClient->buf_sendq);
819 >  dbuf_clear(&client_p->connection->buf_recvq);
820 >  dbuf_clear(&client_p->connection->buf_sendq);
821  
822    assert(dlinkFind(&abort_list, client_p) == NULL);
823 <  ptr = make_dlink_node();
823 >  node = make_dlink_node();
824    /* don't let exit_aborted_clients() finish yet */
825 <  dlinkAddTail(client_p, ptr, &abort_list);
825 >  dlinkAddTail(client_p, node, &abort_list);
826  
827    if (eac_next == NULL)
828 <    eac_next = ptr;
828 >    eac_next = node;
829  
830    SetDead(client_p); /* You are dead my friend */
831   }
# Line 1075 | Line 837 | dead_link_on_write(struct Client *client
837   void
838   dead_link_on_read(struct Client *client_p, int error)
839   {
840 <  char errmsg[255];
840 >  char errmsg[IRCD_BUFSIZE];
841    int current_error;
842  
843    if (IsDefunct(client_p))
844      return;
845  
846 <  dbuf_clear(&client_p->localClient->buf_recvq);
847 <  dbuf_clear(&client_p->localClient->buf_sendq);
846 >  dbuf_clear(&client_p->connection->buf_recvq);
847 >  dbuf_clear(&client_p->connection->buf_sendq);
848  
849 <  current_error = get_sockerr(client_p->localClient->fd.fd);
849 >  current_error = get_sockerr(client_p->connection->fd.fd);
850  
851    if (IsServer(client_p) || IsHandshake(client_p))
852    {
1091    int connected = CurrentTime - client_p->localClient->firsttime;
1092      
853      if (error == 0)
854      {
855        /* Admins get the real IP */
856 <      sendto_realops_flags(UMODE_ALL, L_ADMIN,
857 <                           "Server %s closed the connection",
858 <                           get_client_name(client_p, SHOW_IP));
856 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
857 >                           "Server %s closed the connection",
858 >                           get_client_name(client_p, SHOW_IP));
859  
860        /* Opers get a masked IP */
861 <      sendto_realops_flags(UMODE_ALL, L_OPER,
862 <                           "Server %s closed the connection",
863 <                           get_client_name(client_p, MASK_IP));
861 >      sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
862 >                           "Server %s closed the connection",
863 >                           get_client_name(client_p, MASK_IP));
864  
865        ilog(LOG_TYPE_IRCD, "Server %s closed the connection",
866 <           get_client_name(client_p, SHOW_IP));
866 >           get_client_name(client_p, SHOW_IP));
867      }
868      else
869      {
870        report_error(L_ADMIN, "Lost connection to %s: %s",
871 <                   get_client_name(client_p, SHOW_IP), current_error);
871 >                   get_client_name(client_p, SHOW_IP), current_error);
872        report_error(L_OPER, "Lost connection to %s: %s",
873 <                   get_client_name(client_p, MASK_IP), current_error);
873 >                   get_client_name(client_p, MASK_IP), current_error);
874      }
875  
876 <    sendto_realops_flags(UMODE_ALL, L_ALL,
877 <                         "%s had been connected for %d day%s, %2d:%02d:%02d",
878 <                         client_p->name, connected/86400,
1119 <                         (connected/86400 == 1) ? "" : "s",
1120 <                         (connected % 86400) / 3600, (connected % 3600) / 60,
1121 <                         connected % 60);
876 >    sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
877 >                         "%s was connected for %s",
878 >                         client_p->name, time_dissect(CurrentTime - client_p->connection->firsttime));
879    }
880  
881    if (error == 0)
# Line 1128 | Line 885 | dead_link_on_read(struct Client *client_
885      snprintf(errmsg, sizeof(errmsg), "Read error: %s",
886               strerror(current_error));
887  
888 <  exit_client(client_p, &me, errmsg);
888 >  exit_client(client_p, errmsg);
889   }
890  
891   void
# Line 1145 | Line 902 | exit_aborted_clients(void)
902  
903      if (target_p == NULL)
904      {
905 <      sendto_realops_flags(UMODE_ALL, L_ALL,
905 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
906                             "Warning: null client on abort_list!");
907        dlinkDelete(ptr, &abort_list);
908        free_dlink_node(ptr);
# Line 1154 | Line 911 | exit_aborted_clients(void)
911  
912      dlinkDelete(ptr, &abort_list);
913  
914 <    if (IsSendQExceeded(target_p))
914 >    if (HasFlag(target_p, FLAGS_SENDQEX))
915        notice = "Max SendQ exceeded";
916      else
917        notice = "Write error: connection closed";
918  
919 <    exit_client(target_p, &me, notice);  
919 >    exit_client(target_p, notice);
920      free_dlink_node(ptr);
921    }
922   }
# Line 1177 | Line 934 | exit_aborted_clients(void)
934   void
935   del_accept(struct split_nuh_item *accept_p, struct Client *client_p)
936   {
937 <  dlinkDelete(&accept_p->node, &client_p->localClient->acceptlist);
937 >  dlinkDelete(&accept_p->node, &client_p->connection->acceptlist);
938  
939 <  MyFree(accept_p->nickptr);
940 <  MyFree(accept_p->userptr);
941 <  MyFree(accept_p->hostptr);
942 <  MyFree(accept_p);
939 >  xfree(accept_p->nickptr);
940 >  xfree(accept_p->userptr);
941 >  xfree(accept_p->hostptr);
942 >  xfree(accept_p);
943   }
944  
945   struct split_nuh_item *
946   find_accept(const char *nick, const char *user,
947 <            const char *host, struct Client *client_p, int do_match)
947 >            const char *host, struct Client *client_p,
948 >            int (*cmpfunc)(const char *, const char *))
949   {
950 <  dlink_node *ptr = NULL;
1193 <  /* XXX We wouldn't need that if match() would return 0 on match */
1194 <  int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
950 >  dlink_node *node = NULL;
951  
952 <  DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
952 >  DLINK_FOREACH(node, client_p->connection->acceptlist.head)
953    {
954 <    struct split_nuh_item *accept_p = ptr->data;
954 >    struct split_nuh_item *accept_p = node->data;
955  
956 <    if (cmpfunc(accept_p->nickptr, nick) == do_match &&
957 <        cmpfunc(accept_p->userptr, user) == do_match &&
958 <        cmpfunc(accept_p->hostptr, host) == do_match)
956 >    if (!cmpfunc(accept_p->nickptr, nick) &&
957 >        !cmpfunc(accept_p->userptr, user) &&
958 >        !cmpfunc(accept_p->hostptr, host))
959        return accept_p;
960    }
961  
# Line 1217 | Line 973 | int
973   accept_message(struct Client *source,
974                 struct Client *target)
975   {
976 <  dlink_node *ptr = NULL;
976 >  dlink_node *node = NULL;
977 >
978 >  if (HasFlag(source, FLAGS_SERVICE) ||
979 >      (HasUMode(source, UMODE_OPER) && ConfigGeneral.opers_bypass_callerid))
980 >    return 1;
981  
982    if (source == target || find_accept(source->name, source->username,
983 <                                      source->host, target, 1))
983 >                                      source->host, target, match))
984      return 1;
985  
986 <  if (HasUMode(target, UMODE_SOFTCALLERID))
987 <    DLINK_FOREACH(ptr, target->channel.head)
988 <      if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
986 >  if (!HasUMode(target, UMODE_CALLERID) && HasUMode(target, UMODE_SOFTCALLERID))
987 >    DLINK_FOREACH(node, target->channel.head)
988 >      if (IsMember(source, ((struct Membership *)node->data)->chptr))
989          return 1;
990  
991    return 0;
# Line 1240 | Line 1000 | accept_message(struct Client *source,
1000   void
1001   del_all_accepts(struct Client *client_p)
1002   {
1003 <  dlink_node *ptr = NULL, *next_ptr = NULL;
1003 >  dlink_node *node = NULL, *node_next = NULL;
1004 >
1005 >  DLINK_FOREACH_SAFE(node, node_next, client_p->connection->acceptlist.head)
1006 >    del_accept(node->data, client_p);
1007 > }
1008 >
1009 > unsigned int
1010 > client_get_idle_time(const struct Client *source_p,
1011 >                     const struct Client *target_p)
1012 > {
1013 >  unsigned int idle = 0;
1014 >  unsigned int min_idle = 0;
1015 >  unsigned int max_idle = 0;
1016 >  const struct ClassItem *const class = get_class_ptr(&target_p->connection->confs);
1017 >
1018 >  if (!(class->flags & CLASS_FLAGS_FAKE_IDLE) || target_p == source_p)
1019 >    return CurrentTime - target_p->connection->last_privmsg;
1020 >
1021 >  if (HasUMode(source_p, UMODE_OPER) &&
1022 >      !(class->flags & CLASS_FLAGS_HIDE_IDLE_FROM_OPERS))
1023 >    return CurrentTime - target_p->connection->last_privmsg;
1024 >
1025 >  min_idle = class->min_idle;
1026 >  max_idle = class->max_idle;
1027  
1028 <  DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1029 <    del_accept(ptr->data, client_p);
1028 >  if (min_idle == max_idle)
1029 >    return min_idle;
1030 >
1031 >  if (class->flags & CLASS_FLAGS_RANDOM_IDLE)
1032 >    idle = genrand_int32();
1033 >  else
1034 >    idle = CurrentTime - target_p->connection->last_privmsg;
1035 >
1036 >  if (max_idle)
1037 >    idle %= max_idle;
1038 >  else
1039 >    idle = 0;
1040 >
1041 >  if (idle < min_idle)
1042 >    idle = min_idle + (idle % (max_idle - min_idle));
1043 >
1044 >  return idle;
1045 > }
1046 >
1047 > /* client_init()
1048 > *
1049 > * inputs       - NONE
1050 > * output       - NONE
1051 > * side effects - initialize client free memory
1052 > */
1053 > void
1054 > client_init(void)
1055 > {
1056 >  static struct event event_ping =
1057 >  {
1058 >    .name = "check_pings",
1059 >    .handler = check_pings,
1060 >    .when = 5
1061 >  };
1062 >
1063 >  client_pool = mp_pool_new(sizeof(struct Client), MP_CHUNK_SIZE_CLIENT);
1064 >  connection_pool = mp_pool_new(sizeof(struct Connection), MP_CHUNK_SIZE_CONNECTION);
1065 >  event_add(&event_ping, NULL);
1066   }

Comparing:
ircd-hybrid-8/src/client.c (property svn:keywords), Revision 1483 by michael, Wed Jul 25 19:15:48 2012 UTC vs.
ircd-hybrid/trunk/src/client.c (property svn:keywords), Revision 7969 by michael, Mon Mar 13 19:28:30 2017 UTC

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