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Commit | Line | Data |
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212380e3 | 1 | /* |
a6f63a82 | 2 | * Solanum: a slightly advanced ircd |
212380e3 AC |
3 | * client.c: Controls clients. |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
3fc0499e | 8 | * Copyright (C) 2007 Ariadne Conill <ariadne@dereferenced.org> |
212380e3 AC |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
23 | * USA | |
212380e3 AC |
24 | */ |
25 | #include "stdinc.h" | |
9b8e9eb3 | 26 | #include "defaults.h" |
212380e3 | 27 | |
212380e3 AC |
28 | #include "client.h" |
29 | #include "class.h" | |
212380e3 | 30 | #include "hash.h" |
4562c604 | 31 | #include "match.h" |
212380e3 | 32 | #include "ircd.h" |
212380e3 AC |
33 | #include "numeric.h" |
34 | #include "packet.h" | |
64fae260 | 35 | #include "authproc.h" |
212380e3 AC |
36 | #include "s_conf.h" |
37 | #include "s_newconf.h" | |
4016731b | 38 | #include "logger.h" |
212380e3 AC |
39 | #include "s_serv.h" |
40 | #include "s_stats.h" | |
41 | #include "send.h" | |
42 | #include "whowas.h" | |
43 | #include "s_user.h" | |
212380e3 | 44 | #include "hash.h" |
212380e3 | 45 | #include "hostmask.h" |
212380e3 AC |
46 | #include "listener.h" |
47 | #include "hook.h" | |
48 | #include "msg.h" | |
49 | #include "monitor.h" | |
54015b5f | 50 | #include "reject.h" |
994544c2 | 51 | #include "scache.h" |
a4bf26dd | 52 | #include "rb_dictionary.h" |
c6d72037 | 53 | #include "sslproc.h" |
c53ca1e0 | 54 | #include "wsproc.h" |
77d3d2db | 55 | #include "s_assert.h" |
212380e3 AC |
56 | |
57 | #define DEBUG_EXITED_CLIENTS | |
58 | ||
330fc5c1 AC |
59 | static void check_pings_list(rb_dlink_list * list); |
60 | static void check_unknowns_list(rb_dlink_list * list); | |
212380e3 AC |
61 | static void free_exited_clients(void *unused); |
62 | static void exit_aborted_clients(void *unused); | |
63 | ||
64 | static int exit_remote_client(struct Client *, struct Client *, struct Client *,const char *); | |
65 | static int exit_remote_server(struct Client *, struct Client *, struct Client *,const char *); | |
66 | static int exit_local_client(struct Client *, struct Client *, struct Client *,const char *); | |
67 | static int exit_unknown_client(struct Client *, struct Client *, struct Client *,const char *); | |
68 | static int exit_local_server(struct Client *, struct Client *, struct Client *,const char *); | |
69 | static int qs_server(struct Client *, struct Client *, struct Client *, const char *comment); | |
70 | ||
71 | static EVH check_pings; | |
72 | ||
5433b83e VY |
73 | static rb_bh *client_heap = NULL; |
74 | static rb_bh *lclient_heap = NULL; | |
b09cbaa3 | 75 | static rb_bh *pclient_heap = NULL; |
5433b83e | 76 | static rb_bh *user_heap = NULL; |
c127b45b | 77 | static rb_bh *away_heap = NULL; |
5433b83e | 78 | static char current_uid[IDLEN]; |
de7cf7e0 | 79 | static uint32_t current_connid = 0; |
212380e3 | 80 | |
4177311e | 81 | rb_dictionary *nd_dict = NULL; |
43de0f45 | 82 | |
330fc5c1 | 83 | rb_dlink_list dead_list; |
212380e3 | 84 | #ifdef DEBUG_EXITED_CLIENTS |
330fc5c1 | 85 | static rb_dlink_list dead_remote_list; |
212380e3 AC |
86 | #endif |
87 | ||
88 | struct abort_client | |
89 | { | |
330fc5c1 | 90 | rb_dlink_node node; |
212380e3 AC |
91 | struct Client *client; |
92 | char notice[REASONLEN]; | |
93 | }; | |
94 | ||
330fc5c1 | 95 | static rb_dlink_list abort_list; |
212380e3 AC |
96 | |
97 | ||
98 | /* | |
99 | * init_client | |
100 | * | |
101 | * inputs - NONE | |
102 | * output - NONE | |
103 | * side effects - initialize client free memory | |
104 | */ | |
105 | void | |
106 | init_client(void) | |
107 | { | |
108 | /* | |
109 | * start off the check ping event .. -- adrian | |
110 | * Every 30 seconds is plenty -- db | |
111 | */ | |
1087485c | 112 | client_heap = rb_bh_create(sizeof(struct Client), CLIENT_HEAP_SIZE, "client_heap"); |
adc6cc42 VY |
113 | lclient_heap = rb_bh_create(sizeof(struct LocalUser), LCLIENT_HEAP_SIZE, "lclient_heap"); |
114 | pclient_heap = rb_bh_create(sizeof(struct PreClient), PCLIENT_HEAP_SIZE, "pclient_heap"); | |
b09cbaa3 | 115 | user_heap = rb_bh_create(sizeof(struct User), USER_HEAP_SIZE, "user_heap"); |
c127b45b | 116 | away_heap = rb_bh_create(AWAYLEN, AWAY_HEAP_SIZE, "away_heap"); |
adc6cc42 | 117 | |
3b2ebd04 JT |
118 | rb_event_addish("check_pings", check_pings, NULL, 30); |
119 | rb_event_addish("free_exited_clients", &free_exited_clients, NULL, 4); | |
120 | rb_event_addish("exit_aborted_clients", exit_aborted_clients, NULL, 1); | |
5a606a8f | 121 | rb_event_add("flood_recalc", flood_recalc, NULL, 1); |
43de0f45 | 122 | |
a4bf26dd | 123 | nd_dict = rb_dictionary_create("nickdelay", irccmp); |
212380e3 AC |
124 | } |
125 | ||
de7cf7e0 AC |
126 | /* |
127 | * connid_get - allocate a connid | |
128 | * | |
129 | * inputs - none | |
130 | * outputs - a connid token which is used to represent a logical circuit | |
131 | * side effects - current_connid is incremented, possibly multiple times. | |
132 | * the association of the connid to it's client is committed. | |
133 | */ | |
134 | uint32_t | |
135 | connid_get(struct Client *client_p) | |
136 | { | |
5c63bfe8 AC |
137 | s_assert(MyConnect(client_p)); |
138 | if (!MyConnect(client_p)) | |
de7cf7e0 AC |
139 | return 0; |
140 | ||
141 | /* find a connid that is available */ | |
142 | while (find_cli_connid_hash(++current_connid) != NULL) | |
143 | { | |
144 | /* handle wraparound, current_connid must NEVER be 0 */ | |
145 | if (current_connid == 0) | |
146 | ++current_connid; | |
147 | } | |
148 | ||
149 | add_to_cli_connid_hash(client_p, current_connid); | |
150 | rb_dlinkAddAlloc(RB_UINT_TO_POINTER(current_connid), &client_p->localClient->connids); | |
151 | ||
152 | return current_connid; | |
153 | } | |
154 | ||
155 | /* | |
156 | * connid_put - free a connid | |
157 | * | |
158 | * inputs - connid to free | |
159 | * outputs - nothing | |
160 | * side effects - connid bookkeeping structures are freed | |
161 | */ | |
162 | void | |
163 | connid_put(uint32_t id) | |
164 | { | |
165 | struct Client *client_p; | |
166 | ||
167 | s_assert(id != 0); | |
168 | if (id == 0) | |
169 | return; | |
170 | ||
171 | client_p = find_cli_connid_hash(id); | |
172 | if (client_p == NULL) | |
173 | return; | |
174 | ||
175 | del_from_cli_connid_hash(id); | |
176 | rb_dlinkFindDestroy(RB_UINT_TO_POINTER(id), &client_p->localClient->connids); | |
177 | } | |
178 | ||
179 | /* | |
180 | * client_release_connids - release any connids still attached to a client | |
181 | * | |
182 | * inputs - client to garbage collect | |
183 | * outputs - none | |
184 | * side effects - client's connids are garbage collected | |
185 | */ | |
186 | void | |
187 | client_release_connids(struct Client *client_p) | |
188 | { | |
189 | rb_dlink_node *ptr, *ptr2; | |
190 | ||
cc02bdf3 SA |
191 | if (client_p->localClient->connids.head) |
192 | s_assert(MyConnect(client_p)); | |
de7cf7e0 | 193 | |
558744e5 SA |
194 | if (!MyConnect(client_p)) |
195 | return; | |
196 | ||
de7cf7e0 AC |
197 | RB_DLINK_FOREACH_SAFE(ptr, ptr2, client_p->localClient->connids.head) |
198 | connid_put(RB_POINTER_TO_UINT(ptr->data)); | |
199 | } | |
212380e3 AC |
200 | |
201 | /* | |
202 | * make_client - create a new Client struct and set it to initial state. | |
203 | * | |
204 | * from == NULL, create local client (a client connected | |
205 | * to a socket). | |
206 | * | |
207 | * from, create remote client (behind a socket | |
208 | * associated with the client defined by | |
209 | * 'from'). ('from' is a local client!!). | |
210 | */ | |
211 | struct Client * | |
212 | make_client(struct Client *from) | |
213 | { | |
214 | struct Client *client_p = NULL; | |
215 | struct LocalUser *localClient; | |
216 | ||
398b6a73 | 217 | client_p = rb_bh_alloc(client_heap); |
212380e3 AC |
218 | |
219 | if(from == NULL) | |
220 | { | |
221 | client_p->from = client_p; /* 'from' of local client is self! */ | |
222 | ||
b09cbaa3 | 223 | localClient = rb_bh_alloc(lclient_heap); |
212380e3 AC |
224 | SetMyConnect(client_p); |
225 | client_p->localClient = localClient; | |
226 | ||
e3354945 | 227 | client_p->localClient->lasttime = client_p->localClient->firsttime = rb_current_time(); |
212380e3 | 228 | |
c5c2f506 | 229 | client_p->localClient->F = NULL; |
212380e3 | 230 | |
5ef68b13 | 231 | client_p->preClient = rb_bh_alloc(pclient_heap); |
212380e3 AC |
232 | |
233 | /* as good a place as any... */ | |
330fc5c1 | 234 | rb_dlinkAdd(client_p, &client_p->localClient->tnode, &unknown_list); |
212380e3 AC |
235 | } |
236 | else | |
237 | { /* from is not NULL */ | |
238 | client_p->localClient = NULL; | |
239 | client_p->preClient = NULL; | |
240 | client_p->from = from; /* 'from' of local client is self! */ | |
241 | } | |
55abcbb2 | 242 | |
212380e3 | 243 | SetUnknown(client_p); |
4d5a902f | 244 | rb_strlcpy(client_p->username, "unknown", sizeof(client_p->username)); |
212380e3 AC |
245 | |
246 | return client_p; | |
247 | } | |
248 | ||
249 | void | |
250 | free_pre_client(struct Client *client_p) | |
251 | { | |
212380e3 AC |
252 | s_assert(NULL != client_p); |
253 | ||
254 | if(client_p->preClient == NULL) | |
255 | return; | |
256 | ||
154dc91e | 257 | s_assert(client_p->preClient->auth.cid == 0); |
d3f6b808 | 258 | |
154dc91e EM |
259 | rb_free(client_p->preClient->auth.data); |
260 | rb_free(client_p->preClient->auth.reason); | |
7fc09bc4 | 261 | |
398b6a73 | 262 | rb_bh_free(pclient_heap, client_p->preClient); |
212380e3 AC |
263 | client_p->preClient = NULL; |
264 | } | |
265 | ||
266 | static void | |
267 | free_local_client(struct Client *client_p) | |
268 | { | |
269 | s_assert(NULL != client_p); | |
270 | s_assert(&me != client_p); | |
271 | ||
272 | if(client_p->localClient == NULL) | |
273 | return; | |
274 | ||
275 | /* | |
276 | * clean up extra sockets from P-lines which have been discarded. | |
277 | */ | |
278 | if(client_p->localClient->listener) | |
279 | { | |
280 | s_assert(0 < client_p->localClient->listener->ref_count); | |
281 | if(0 == --client_p->localClient->listener->ref_count | |
282 | && !client_p->localClient->listener->active) | |
283 | free_listener(client_p->localClient->listener); | |
284 | client_p->localClient->listener = 0; | |
285 | } | |
286 | ||
de7cf7e0 | 287 | client_release_connids(client_p); |
c6d72037 VY |
288 | if(client_p->localClient->F != NULL) |
289 | { | |
3b2ebd04 | 290 | rb_close(client_p->localClient->F); |
c6d72037 | 291 | } |
212380e3 AC |
292 | |
293 | if(client_p->localClient->passwd) | |
294 | { | |
295 | memset(client_p->localClient->passwd, 0, | |
296 | strlen(client_p->localClient->passwd)); | |
637c4932 | 297 | rb_free(client_p->localClient->passwd); |
212380e3 AC |
298 | } |
299 | ||
90afc118 | 300 | rb_free(client_p->localClient->auth_user); |
637c4932 VY |
301 | rb_free(client_p->localClient->challenge); |
302 | rb_free(client_p->localClient->fullcaps); | |
637c4932 | 303 | rb_free(client_p->localClient->mangledhost); |
212380e3 | 304 | |
c53ca1e0 AC |
305 | if (IsSSL(client_p)) |
306 | ssld_decrement_clicount(client_p->localClient->ssl_ctl); | |
55abcbb2 | 307 | |
c8641a27 SA |
308 | rb_free(client_p->localClient->cipher_string); |
309 | ||
c53ca1e0 AC |
310 | if (client_p->localClient->ws_ctl != NULL) |
311 | wsockd_decrement_clicount(client_p->localClient->ws_ctl); | |
c6d72037 | 312 | |
398b6a73 | 313 | rb_bh_free(lclient_heap, client_p->localClient); |
212380e3 AC |
314 | client_p->localClient = NULL; |
315 | } | |
316 | ||
50b1e598 | 317 | static void |
212380e3 AC |
318 | free_client(struct Client *client_p) |
319 | { | |
320 | s_assert(NULL != client_p); | |
321 | s_assert(&me != client_p); | |
322 | free_local_client(client_p); | |
323 | free_pre_client(client_p); | |
8eda114a | 324 | rb_free(client_p->certfp); |
398b6a73 | 325 | rb_bh_free(client_heap, client_p); |
212380e3 AC |
326 | } |
327 | ||
328 | /* | |
329 | * check_pings - go through the local client list and check activity | |
330 | * kill off stuff that should die | |
331 | * | |
332 | * inputs - NOT USED (from event) | |
333 | * output - next time_t when check_pings() should be called again | |
55abcbb2 | 334 | * side effects - |
212380e3 AC |
335 | * |
336 | * | |
337 | * A PING can be sent to clients as necessary. | |
338 | * | |
339 | * Client/Server ping outs are handled. | |
340 | */ | |
341 | ||
342 | /* | |
343 | * Addon from adrian. We used to call this after nextping seconds, | |
344 | * however I've changed it to run once a second. This is only for | |
345 | * PING timeouts, not K/etc-line checks (thanks dianora!). Having it | |
346 | * run once a second makes life a lot easier - when a new client connects | |
347 | * and they need a ping in 4 seconds, if nextping was set to 20 seconds | |
348 | * we end up waiting 20 seconds. This is stupid. :-) | |
349 | * I will optimise (hah!) check_pings() once I've finished working on | |
350 | * tidying up other network IO evilnesses. | |
351 | * -- adrian | |
352 | */ | |
353 | ||
354 | static void | |
355 | check_pings(void *notused) | |
356 | { | |
357 | check_pings_list(&lclient_list); | |
358 | check_pings_list(&serv_list); | |
359 | check_unknowns_list(&unknown_list); | |
360 | } | |
361 | ||
362 | /* | |
363 | * Check_pings_list() | |
364 | * | |
365 | * inputs - pointer to list to check | |
366 | * output - NONE | |
55abcbb2 | 367 | * side effects - |
212380e3 AC |
368 | */ |
369 | static void | |
330fc5c1 | 370 | check_pings_list(rb_dlink_list * list) |
212380e3 AC |
371 | { |
372 | char scratch[32]; /* way too generous but... */ | |
373 | struct Client *client_p; /* current local client_p being examined */ | |
374 | int ping = 0; /* ping time value from client */ | |
637c4932 | 375 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 376 | |
637c4932 | 377 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) |
212380e3 AC |
378 | { |
379 | client_p = ptr->data; | |
380 | ||
212380e3 AC |
381 | if(!MyConnect(client_p) || IsDead(client_p)) |
382 | continue; | |
383 | ||
e2a98043 | 384 | ping = get_client_ping(client_p); |
212380e3 | 385 | |
e3354945 | 386 | if(ping < (rb_current_time() - client_p->localClient->lasttime)) |
212380e3 AC |
387 | { |
388 | /* | |
389 | * If the client/server hasnt talked to us in 2*ping seconds | |
390 | * and it has a ping time, then close its connection. | |
391 | */ | |
e3354945 | 392 | if(((rb_current_time() - client_p->localClient->lasttime) >= (2 * ping) |
212380e3 AC |
393 | && (client_p->flags & FLAGS_PINGSENT))) |
394 | { | |
e2a98043 | 395 | if(IsServer(client_p)) |
212380e3 | 396 | { |
a9227555 | 397 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
212380e3 | 398 | "No response from %s, closing link", |
b3ebc7ab | 399 | client_p->name); |
212380e3 AC |
400 | ilog(L_SERVER, |
401 | "No response from %s, closing link", | |
402 | log_client_name(client_p, HIDE_IP)); | |
403 | } | |
5203cba5 | 404 | (void) snprintf(scratch, sizeof(scratch), |
212380e3 | 405 | "Ping timeout: %d seconds", |
e3354945 | 406 | (int) (rb_current_time() - client_p->localClient->lasttime)); |
212380e3 AC |
407 | |
408 | exit_client(client_p, client_p, &me, scratch); | |
409 | continue; | |
410 | } | |
411 | else if((client_p->flags & FLAGS_PINGSENT) == 0) | |
412 | { | |
413 | /* | |
414 | * if we havent PINGed the connection and we havent | |
415 | * heard from it in a while, PING it to make sure | |
416 | * it is still alive. | |
417 | */ | |
418 | client_p->flags |= FLAGS_PINGSENT; | |
419 | /* not nice but does the job */ | |
e3354945 | 420 | client_p->localClient->lasttime = rb_current_time() - ping; |
212380e3 AC |
421 | sendto_one(client_p, "PING :%s", me.name); |
422 | } | |
423 | } | |
424 | /* ping_timeout: */ | |
425 | ||
426 | } | |
427 | } | |
428 | ||
429 | /* | |
430 | * check_unknowns_list | |
431 | * | |
432 | * inputs - pointer to list of unknown clients | |
433 | * output - NONE | |
434 | * side effects - unknown clients get marked for termination after n seconds | |
435 | */ | |
436 | static void | |
330fc5c1 | 437 | check_unknowns_list(rb_dlink_list * list) |
212380e3 | 438 | { |
637c4932 | 439 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 440 | struct Client *client_p; |
35cf4c79 | 441 | int timeout; |
212380e3 | 442 | |
637c4932 | 443 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) |
212380e3 AC |
444 | { |
445 | client_p = ptr->data; | |
446 | ||
447 | if(IsDead(client_p) || IsClosing(client_p)) | |
448 | continue; | |
449 | ||
d3f6b808 | 450 | /* Still querying with authd */ |
154dc91e | 451 | if(client_p->preClient != NULL && client_p->preClient->auth.cid != 0) |
6bb4fb83 JT |
452 | continue; |
453 | ||
212380e3 AC |
454 | /* |
455 | * Check UNKNOWN connections - if they have been in this state | |
456 | * for > 30s, close them. | |
457 | */ | |
458 | ||
35cf4c79 | 459 | timeout = IsAnyServer(client_p) ? ConfigFileEntry.connect_timeout : 30; |
e3354945 | 460 | if((rb_current_time() - client_p->localClient->firsttime) > timeout) |
35cf4c79 JT |
461 | { |
462 | if(IsAnyServer(client_p)) | |
463 | { | |
a9227555 | 464 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
35cf4c79 | 465 | "No response from %s, closing link", |
b3ebc7ab | 466 | client_p->name); |
35cf4c79 JT |
467 | ilog(L_SERVER, |
468 | "No response from %s, closing link", | |
469 | log_client_name(client_p, HIDE_IP)); | |
470 | } | |
212380e3 | 471 | exit_client(client_p, client_p, &me, "Connection timed out"); |
35cf4c79 | 472 | } |
212380e3 AC |
473 | } |
474 | } | |
475 | ||
10df26d0 | 476 | void |
212380e3 AC |
477 | notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban) |
478 | { | |
479 | static const char conn_closed[] = "Connection closed"; | |
480 | static const char d_lined[] = "D-lined"; | |
481 | static const char k_lined[] = "K-lined"; | |
212380e3 AC |
482 | const char *reason = NULL; |
483 | const char *exit_reason = conn_closed; | |
484 | ||
a12ad044 | 485 | if(ConfigFileEntry.kline_with_reason) |
212380e3 | 486 | { |
a12ad044 | 487 | reason = get_user_ban_reason(aconf); |
b52c2949 | 488 | exit_reason = reason; |
212380e3 AC |
489 | } |
490 | else | |
491 | { | |
405ae5ce | 492 | reason = aconf->status == D_LINED ? d_lined : k_lined; |
212380e3 AC |
493 | } |
494 | ||
495 | if(ban == D_LINED && !IsPerson(client_p)) | |
496 | sendto_one(client_p, "NOTICE DLINE :*** You have been D-lined"); | |
497 | else | |
498 | sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP), | |
499 | me.name, client_p->name, reason); | |
55abcbb2 KB |
500 | |
501 | exit_client(client_p, client_p, &me, | |
212380e3 AC |
502 | EmptyString(ConfigFileEntry.kline_reason) ? exit_reason : |
503 | ConfigFileEntry.kline_reason); | |
504 | } | |
505 | ||
506 | /* | |
507 | * check_banned_lines | |
508 | * inputs - NONE | |
509 | * output - NONE | |
170703fe | 510 | * side effects - Check all connections for a pending k/dline against the |
212380e3 AC |
511 | * client, exit the client if found. |
512 | */ | |
513 | void | |
514 | check_banned_lines(void) | |
515 | { | |
1bb1f1b0 JT |
516 | check_dlines(); |
517 | check_klines(); | |
518 | check_xlines(); | |
212380e3 AC |
519 | } |
520 | ||
212380e3 AC |
521 | /* check_klines |
522 | * | |
523 | * inputs - | |
524 | * outputs - | |
525 | * side effects - all clients will be checked for klines | |
526 | */ | |
527 | void | |
528 | check_klines(void) | |
529 | { | |
530 | struct Client *client_p; | |
531 | struct ConfItem *aconf; | |
330fc5c1 | 532 | rb_dlink_node *ptr; |
637c4932 | 533 | rb_dlink_node *next_ptr; |
212380e3 | 534 | |
637c4932 | 535 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) |
212380e3 AC |
536 | { |
537 | client_p = ptr->data; | |
538 | ||
539 | if(IsMe(client_p) || !IsPerson(client_p)) | |
540 | continue; | |
541 | ||
542 | if((aconf = find_kline(client_p)) != NULL) | |
543 | { | |
544 | if(IsExemptKline(client_p)) | |
545 | { | |
a9227555 | 546 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
408024fa JT |
547 | "KLINE over-ruled for %s, client is kline_exempt [%s@%s]", |
548 | get_client_name(client_p, HIDE_IP), | |
549 | aconf->user, aconf->host); | |
212380e3 AC |
550 | continue; |
551 | } | |
552 | ||
36828ff7 | 553 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
554 | "KLINE active for %s (%s@%s)", | |
555 | get_client_name(client_p, HIDE_IP), aconf->user, aconf->host); | |
212380e3 AC |
556 | |
557 | notify_banned_client(client_p, aconf, K_LINED); | |
558 | continue; | |
559 | } | |
560 | } | |
561 | } | |
562 | ||
10df26d0 EK |
563 | |
564 | /* check_one_kline() | |
b18dba6d SA |
565 | * |
566 | * This process needs to be kept in sync with find_kline() aka find_conf_by_address(). | |
10df26d0 EK |
567 | * |
568 | * inputs - pointer to kline to check | |
569 | * outputs - | |
570 | * side effects - all clients will be checked against given kline | |
571 | */ | |
572 | void | |
573 | check_one_kline(struct ConfItem *kline) | |
574 | { | |
575 | struct Client *client_p; | |
576 | rb_dlink_node *ptr; | |
577 | rb_dlink_node *next_ptr; | |
f53d2f45 EK |
578 | int masktype; |
579 | int bits; | |
580 | struct rb_sockaddr_storage sockaddr; | |
485d245e | 581 | struct sockaddr_in ip4; |
f53d2f45 EK |
582 | |
583 | masktype = parse_netmask(kline->host, (struct sockaddr_storage *)&sockaddr, &bits); | |
10df26d0 EK |
584 | |
585 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) | |
586 | { | |
f53d2f45 EK |
587 | int matched = 0; |
588 | ||
10df26d0 EK |
589 | client_p = ptr->data; |
590 | ||
591 | if(IsMe(client_p) || !IsPerson(client_p)) | |
592 | continue; | |
593 | ||
594 | if(!match(kline->user, client_p->username)) | |
595 | continue; | |
596 | ||
597 | /* match one kline */ | |
f53d2f45 EK |
598 | switch (masktype) { |
599 | case HM_IPV4: | |
40e76ac7 EK |
600 | case HM_IPV6: |
601 | if (IsConfDoSpoofIp(client_p->localClient->att_conf) && | |
602 | IsConfKlineSpoof(client_p->localClient->att_conf)) | |
603 | continue; | |
604 | if (client_p->localClient->ip.ss_family == AF_INET6 && sockaddr.ss_family == AF_INET && | |
485d245e EK |
605 | rb_ipv4_from_ipv6((struct sockaddr_in6 *)&client_p->localClient->ip, &ip4) |
606 | && comp_with_mask_sock((struct sockaddr *)&ip4, (struct sockaddr *)&sockaddr, bits)) | |
607 | matched = 1; | |
40e76ac7 | 608 | else if (client_p->localClient->ip.ss_family == sockaddr.ss_family && |
485d245e EK |
609 | comp_with_mask_sock((struct sockaddr *)&client_p->localClient->ip, |
610 | (struct sockaddr *)&sockaddr, bits)) | |
f53d2f45 | 611 | matched = 1; |
9274c0f3 | 612 | break; |
f53d2f45 EK |
613 | case HM_HOST: |
614 | if (match(kline->host, client_p->orighost)) | |
615 | matched = 1; | |
40e76ac7 EK |
616 | if (IsConfDoSpoofIp(client_p->localClient->att_conf) && |
617 | IsConfKlineSpoof(client_p->localClient->att_conf)) | |
618 | continue; | |
9274c0f3 EK |
619 | if (match(kline->host, client_p->sockhost)) |
620 | matched = 1; | |
621 | break; | |
10df26d0 EK |
622 | } |
623 | ||
f53d2f45 EK |
624 | if (!matched) |
625 | continue; | |
626 | ||
10df26d0 EK |
627 | if(IsExemptKline(client_p)) |
628 | { | |
629 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, | |
630 | "KLINE over-ruled for %s, client is kline_exempt [%s@%s]", | |
631 | get_client_name(client_p, HIDE_IP), | |
632 | kline->user, kline->host); | |
633 | continue; | |
634 | } | |
635 | ||
36828ff7 | 636 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
637 | "KLINE active for %s (%s@%s)", | |
638 | get_client_name(client_p, HIDE_IP), kline->user, kline->host); | |
10df26d0 EK |
639 | |
640 | notify_banned_client(client_p, kline, K_LINED); | |
641 | } | |
642 | } | |
643 | ||
644 | ||
212380e3 AC |
645 | /* check_dlines() |
646 | * | |
647 | * inputs - | |
648 | * outputs - | |
649 | * side effects - all clients will be checked for dlines | |
650 | */ | |
651 | void | |
652 | check_dlines(void) | |
653 | { | |
654 | struct Client *client_p; | |
655 | struct ConfItem *aconf; | |
330fc5c1 | 656 | rb_dlink_node *ptr; |
637c4932 | 657 | rb_dlink_node *next_ptr; |
212380e3 | 658 | |
637c4932 | 659 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) |
212380e3 AC |
660 | { |
661 | client_p = ptr->data; | |
662 | ||
663 | if(IsMe(client_p)) | |
664 | continue; | |
665 | ||
e867208d | 666 | if((aconf = find_dline((struct sockaddr *)&client_p->localClient->ip, GET_SS_FAMILY(&client_p->localClient->ip))) != NULL) |
212380e3 AC |
667 | { |
668 | if(aconf->status & CONF_EXEMPTDLINE) | |
669 | continue; | |
670 | ||
36828ff7 | 671 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
672 | "DLINE active for %s (%s)", | |
673 | get_client_name(client_p, HIDE_IP), aconf->host); | |
212380e3 AC |
674 | |
675 | notify_banned_client(client_p, aconf, D_LINED); | |
676 | continue; | |
677 | } | |
678 | } | |
679 | ||
680 | /* dlines need to be checked against unknowns too */ | |
637c4932 | 681 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head) |
212380e3 AC |
682 | { |
683 | client_p = ptr->data; | |
684 | ||
e867208d | 685 | if((aconf = find_dline((struct sockaddr *)&client_p->localClient->ip, GET_SS_FAMILY(&client_p->localClient->ip))) != NULL) |
212380e3 AC |
686 | { |
687 | if(aconf->status & CONF_EXEMPTDLINE) | |
688 | continue; | |
689 | ||
690 | notify_banned_client(client_p, aconf, D_LINED); | |
691 | } | |
692 | } | |
693 | } | |
694 | ||
695 | /* check_xlines | |
696 | * | |
697 | * inputs - | |
698 | * outputs - | |
699 | * side effects - all clients will be checked for xlines | |
700 | */ | |
701 | void | |
702 | check_xlines(void) | |
703 | { | |
704 | struct Client *client_p; | |
705 | struct ConfItem *aconf; | |
330fc5c1 | 706 | rb_dlink_node *ptr; |
637c4932 | 707 | rb_dlink_node *next_ptr; |
212380e3 | 708 | |
637c4932 | 709 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) |
212380e3 AC |
710 | { |
711 | client_p = ptr->data; | |
712 | ||
713 | if(IsMe(client_p) || !IsPerson(client_p)) | |
714 | continue; | |
715 | ||
716 | if((aconf = find_xline(client_p->info, 1)) != NULL) | |
717 | { | |
718 | if(IsExemptKline(client_p)) | |
719 | { | |
a9227555 | 720 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
408024fa JT |
721 | "XLINE over-ruled for %s, client is kline_exempt [%s]", |
722 | get_client_name(client_p, HIDE_IP), | |
70ea02eb | 723 | aconf->host); |
212380e3 AC |
724 | continue; |
725 | } | |
726 | ||
36828ff7 | 727 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
728 | "XLINE active for %s (%s)", | |
729 | get_client_name(client_p, HIDE_IP), aconf->host); | |
212380e3 AC |
730 | |
731 | (void) exit_client(client_p, client_p, &me, "Bad user info"); | |
732 | continue; | |
733 | } | |
734 | } | |
735 | } | |
736 | ||
330692a1 KB |
737 | /* resv_nick_fnc |
738 | * | |
739 | * inputs - resv, reason, time | |
740 | * outputs - NONE | |
741 | * side effects - all local clients matching resv will be FNC'd | |
742 | */ | |
743 | void | |
744 | resv_nick_fnc(const char *mask, const char *reason, int temp_time) | |
745 | { | |
746 | struct Client *client_p, *target_p; | |
747 | rb_dlink_node *ptr; | |
748 | rb_dlink_node *next_ptr; | |
749 | char *nick; | |
750 | char note[NICKLEN+10]; | |
751 | ||
752 | if (!ConfigFileEntry.resv_fnc) | |
753 | return; | |
754 | ||
755 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head) | |
756 | { | |
757 | client_p = ptr->data; | |
758 | ||
759 | if(IsMe(client_p) || !IsPerson(client_p) || IsExemptResv(client_p)) | |
760 | continue; | |
761 | ||
07d3283f KB |
762 | /* Skip users that already have UID nicks. */ |
763 | if(IsDigit(client_p->name[0])) | |
764 | continue; | |
765 | ||
330692a1 KB |
766 | if(match_esc(mask, client_p->name)) |
767 | { | |
768 | nick = client_p->id; | |
769 | ||
770 | /* Tell opers. */ | |
a9227555 | 771 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
330692a1 KB |
772 | "RESV forced nick change for %s!%s@%s to %s; nick matched [%s] (%s)", |
773 | client_p->name, client_p->username, client_p->host, nick, mask, reason); | |
774 | ||
a9227555 | 775 | sendto_realops_snomask(SNO_NCHANGE, L_NETWIDE, |
330692a1 KB |
776 | "Nick change: From %s to %s [%s@%s]", |
777 | client_p->name, nick, client_p->username, client_p->host); | |
778 | ||
779 | /* Tell the user. */ | |
780 | if (temp_time > 0) | |
781 | { | |
782 | sendto_one_notice(client_p, | |
783 | ":*** Nick %s is temporarily unavailable on this server.", | |
784 | client_p->name); | |
785 | } | |
786 | else | |
787 | { | |
788 | sendto_one_notice(client_p, | |
789 | ":*** Nick %s is no longer available on this server.", | |
790 | client_p->name); | |
791 | } | |
792 | ||
793 | /* Do all of the nick-changing gymnastics. */ | |
794 | client_p->tsinfo = rb_current_time(); | |
b47f8a4f | 795 | whowas_add_history(client_p, 1); |
330692a1 | 796 | |
07d3283f KB |
797 | monitor_signoff(client_p); |
798 | ||
330692a1 KB |
799 | invalidate_bancache_user(client_p); |
800 | ||
583f064f | 801 | sendto_common_channels_local(client_p, NOCAPS, NOCAPS, ":%s!%s@%s NICK :%s", |
330692a1 KB |
802 | client_p->name, client_p->username, client_p->host, nick); |
803 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s NICK %s :%ld", | |
804 | use_id(client_p), nick, (long) client_p->tsinfo); | |
805 | ||
806 | del_from_client_hash(client_p->name, client_p); | |
807 | rb_strlcpy(client_p->name, nick, sizeof(client_p->name)); | |
808 | add_to_client_hash(nick, client_p); | |
809 | ||
07d3283f KB |
810 | monitor_signon(client_p); |
811 | ||
330692a1 KB |
812 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head) |
813 | { | |
814 | target_p = ptr->data; | |
815 | rb_dlinkFindDestroy(client_p, &target_p->localClient->allow_list); | |
816 | rb_dlinkDestroy(ptr, &client_p->on_allow_list); | |
817 | } | |
818 | ||
5203cba5 | 819 | snprintf(note, sizeof(note), "Nick: %s", nick); |
330692a1 KB |
820 | rb_note(client_p->localClient->F, note); |
821 | } | |
822 | } | |
823 | } | |
824 | ||
212380e3 AC |
825 | /* |
826 | * update_client_exit_stats | |
827 | * | |
828 | * input - pointer to client | |
829 | * output - NONE | |
55abcbb2 | 830 | * side effects - |
212380e3 AC |
831 | */ |
832 | static void | |
833 | update_client_exit_stats(struct Client *client_p) | |
834 | { | |
835 | if(IsServer(client_p)) | |
836 | { | |
837 | sendto_realops_snomask(SNO_EXTERNAL, L_ALL, | |
838 | "Server %s split from %s", | |
839 | client_p->name, client_p->servptr->name); | |
840 | if(HasSentEob(client_p)) | |
841 | eob_count--; | |
842 | } | |
843 | else if(IsClient(client_p)) | |
844 | { | |
845 | --Count.total; | |
846 | if(IsOper(client_p)) | |
847 | --Count.oper; | |
848 | if(IsInvisible(client_p)) | |
849 | --Count.invisi; | |
850 | } | |
851 | ||
852 | if(splitchecking && !splitmode) | |
853 | check_splitmode(NULL); | |
854 | } | |
855 | ||
856 | /* | |
857 | * release_client_state | |
858 | * | |
859 | * input - pointer to client to release | |
860 | * output - NONE | |
55abcbb2 | 861 | * side effects - |
212380e3 AC |
862 | */ |
863 | static void | |
864 | release_client_state(struct Client *client_p) | |
865 | { | |
866 | if(client_p->user != NULL) | |
867 | { | |
868 | free_user(client_p->user, client_p); /* try this here */ | |
869 | } | |
870 | if(client_p->serv) | |
871 | { | |
872 | if(client_p->serv->user != NULL) | |
873 | free_user(client_p->serv->user, client_p); | |
874 | if(client_p->serv->fullcaps) | |
637c4932 VY |
875 | rb_free(client_p->serv->fullcaps); |
876 | rb_free(client_p->serv); | |
212380e3 AC |
877 | } |
878 | } | |
879 | ||
880 | /* | |
881 | * remove_client_from_list | |
882 | * inputs - point to client to remove | |
883 | * output - NONE | |
884 | * side effects - taken the code from ExitOneClient() for this | |
885 | * and placed it here. - avalon | |
886 | */ | |
887 | static void | |
888 | remove_client_from_list(struct Client *client_p) | |
889 | { | |
890 | s_assert(NULL != client_p); | |
891 | ||
892 | if(client_p == NULL) | |
893 | return; | |
894 | ||
895 | /* A client made with make_client() | |
896 | * is on the unknown_list until removed. | |
897 | * If it =does= happen to exit before its removed from that list | |
898 | * and its =not= on the global_client_list, it will core here. | |
899 | * short circuit that case now -db | |
900 | */ | |
901 | if(client_p->node.prev == NULL && client_p->node.next == NULL) | |
902 | return; | |
903 | ||
330fc5c1 | 904 | rb_dlinkDelete(&client_p->node, &global_client_list); |
212380e3 AC |
905 | |
906 | update_client_exit_stats(client_p); | |
907 | } | |
908 | ||
909 | ||
2d28539c JT |
910 | /* clean_nick() |
911 | * | |
912 | * input - nickname to check, flag for nick from local client | |
913 | * output - 0 if erroneous, else 1 | |
914 | * side effects - | |
915 | */ | |
916 | int | |
917 | clean_nick(const char *nick, int loc_client) | |
918 | { | |
919 | int len = 0; | |
920 | ||
921 | /* nicks cant start with a digit or -, and must have a length */ | |
922 | if(*nick == '-' || *nick == '\0') | |
923 | return 0; | |
924 | ||
925 | if(loc_client && IsDigit(*nick)) | |
926 | return 0; | |
927 | ||
928 | for(; *nick; nick++) | |
929 | { | |
930 | len++; | |
931 | if(!IsNickChar(*nick)) | |
932 | return 0; | |
933 | } | |
934 | ||
935 | /* nicklen is +1 */ | |
936 | if(len >= NICKLEN && (unsigned int)len >= ConfigFileEntry.nicklen) | |
937 | return 0; | |
938 | ||
939 | return 1; | |
940 | } | |
941 | ||
212380e3 AC |
942 | /* |
943 | * find_person - find person by (nick)name. | |
944 | * inputs - pointer to name | |
945 | * output - return client pointer | |
946 | * side effects - | |
947 | */ | |
948 | struct Client * | |
949 | find_person(const char *name) | |
950 | { | |
951 | struct Client *c2ptr; | |
952 | ||
953 | c2ptr = find_client(name); | |
954 | ||
955 | if(c2ptr && IsPerson(c2ptr)) | |
956 | return (c2ptr); | |
957 | return (NULL); | |
958 | } | |
959 | ||
960 | struct Client * | |
961 | find_named_person(const char *name) | |
962 | { | |
963 | struct Client *c2ptr; | |
964 | ||
965 | c2ptr = find_named_client(name); | |
966 | ||
967 | if(c2ptr && IsPerson(c2ptr)) | |
968 | return (c2ptr); | |
969 | return (NULL); | |
970 | } | |
971 | ||
972 | ||
973 | /* | |
55abcbb2 KB |
974 | * find_chasing - find the client structure for a nick name (user) |
975 | * using history mechanism if necessary. If the client is not found, | |
212380e3 AC |
976 | * an error message (NO SUCH NICK) is generated. If the client was found |
977 | * through the history, chasing will be 1 and otherwise 0. | |
978 | */ | |
979 | struct Client * | |
980 | find_chasing(struct Client *source_p, const char *user, int *chasing) | |
981 | { | |
982 | struct Client *who; | |
983 | ||
984 | if(MyClient(source_p)) | |
985 | who = find_named_person(user); | |
986 | else | |
987 | who = find_person(user); | |
988 | ||
989 | if(chasing) | |
990 | *chasing = 0; | |
991 | ||
992 | if(who || IsDigit(*user)) | |
993 | return who; | |
994 | ||
b47f8a4f | 995 | if(!(who = whowas_get_history(user, (long) KILLCHASETIMELIMIT))) |
212380e3 AC |
996 | { |
997 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
998 | form_str(ERR_NOSUCHNICK), user); | |
999 | return (NULL); | |
1000 | } | |
1001 | if(chasing) | |
1002 | *chasing = 1; | |
1003 | return who; | |
1004 | } | |
1005 | ||
1006 | /* | |
1007 | * get_client_name - Return the name of the client | |
1008 | * for various tracking and | |
1009 | * admin purposes. The main purpose of this function is to | |
1010 | * return the "socket host" name of the client, if that | |
1011 | * differs from the advertised name (other than case). | |
1012 | * But, this can be used to any client structure. | |
1013 | * | |
1014 | * NOTE 1: | |
1015 | * Watch out the allocation of "nbuf", if either source_p->name | |
1016 | * or source_p->sockhost gets changed into pointers instead of | |
1017 | * directly allocated within the structure... | |
1018 | * | |
1019 | * NOTE 2: | |
1020 | * Function return either a pointer to the structure (source_p) or | |
1021 | * to internal buffer (nbuf). *NEVER* use the returned pointer | |
1022 | * to modify what it points!!! | |
1023 | */ | |
1024 | ||
1025 | const char * | |
1026 | get_client_name(struct Client *client, int showip) | |
1027 | { | |
1028 | static char nbuf[HOSTLEN * 2 + USERLEN + 5]; | |
1029 | ||
1030 | s_assert(NULL != client); | |
1031 | if(client == NULL) | |
1032 | return NULL; | |
1033 | ||
1034 | if(MyConnect(client)) | |
1035 | { | |
1036 | if(!irccmp(client->name, client->host)) | |
1037 | return client->name; | |
1038 | ||
55abcbb2 | 1039 | if(ConfigFileEntry.hide_spoof_ips && |
212380e3 AC |
1040 | showip == SHOW_IP && IsIPSpoof(client)) |
1041 | showip = MASK_IP; | |
212380e3 AC |
1042 | if(IsAnyServer(client)) |
1043 | showip = MASK_IP; | |
212380e3 AC |
1044 | |
1045 | /* And finally, let's get the host information, ip or name */ | |
1046 | switch (showip) | |
1047 | { | |
1048 | case SHOW_IP: | |
5203cba5 | 1049 | snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", |
55abcbb2 | 1050 | client->name, client->username, |
212380e3 AC |
1051 | client->sockhost); |
1052 | break; | |
1053 | case MASK_IP: | |
5203cba5 | 1054 | snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]", |
212380e3 AC |
1055 | client->name, client->username); |
1056 | break; | |
1057 | default: | |
5203cba5 | 1058 | snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", |
212380e3 AC |
1059 | client->name, client->username, client->host); |
1060 | } | |
1061 | return nbuf; | |
1062 | } | |
1063 | ||
55abcbb2 | 1064 | /* As pointed out by Adel Mezibra |
212380e3 AC |
1065 | * Neph|l|m@EFnet. Was missing a return here. |
1066 | */ | |
1067 | return client->name; | |
1068 | } | |
55abcbb2 | 1069 | |
212380e3 AC |
1070 | /* log_client_name() |
1071 | * | |
1072 | * This version is the same as get_client_name, but doesnt contain the | |
1073 | * code that will hide IPs always. This should be used for logfiles. | |
1074 | */ | |
1075 | const char * | |
1076 | log_client_name(struct Client *target_p, int showip) | |
1077 | { | |
1078 | static char nbuf[HOSTLEN * 2 + USERLEN + 5]; | |
1079 | ||
1080 | if(target_p == NULL) | |
1081 | return NULL; | |
1082 | ||
1083 | if(MyConnect(target_p)) | |
1084 | { | |
1085 | if(irccmp(target_p->name, target_p->host) == 0) | |
1086 | return target_p->name; | |
1087 | ||
1088 | switch (showip) | |
1089 | { | |
1090 | case SHOW_IP: | |
5203cba5 | 1091 | snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", target_p->name, |
212380e3 AC |
1092 | target_p->username, target_p->sockhost); |
1093 | break; | |
1094 | ||
212380e3 | 1095 | default: |
5203cba5 | 1096 | snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", target_p->name, |
212380e3 AC |
1097 | target_p->username, target_p->host); |
1098 | } | |
1099 | ||
1100 | return nbuf; | |
1101 | } | |
1102 | ||
1103 | return target_p->name; | |
1104 | } | |
1105 | ||
1106 | /* is_remote_connect - Returns whether a server was /connect'ed by a remote | |
1107 | * oper (send notices netwide) */ | |
1108 | int | |
1109 | is_remote_connect(struct Client *client_p) | |
1110 | { | |
1111 | struct Client *oper; | |
1112 | ||
1113 | if (client_p->serv == NULL) | |
1114 | return FALSE; | |
1115 | oper = find_named_person(client_p->serv->by); | |
1116 | return oper != NULL && IsOper(oper) && !MyConnect(oper); | |
1117 | } | |
1118 | ||
1119 | static void | |
1120 | free_exited_clients(void *unused) | |
1121 | { | |
330fc5c1 | 1122 | rb_dlink_node *ptr, *next; |
212380e3 AC |
1123 | struct Client *target_p; |
1124 | ||
5cefa1d6 | 1125 | RB_DLINK_FOREACH_SAFE(ptr, next, dead_list.head) |
212380e3 AC |
1126 | { |
1127 | target_p = ptr->data; | |
1128 | ||
1129 | #ifdef DEBUG_EXITED_CLIENTS | |
1130 | { | |
1131 | struct abort_client *abt; | |
330fc5c1 | 1132 | rb_dlink_node *aptr; |
212380e3 AC |
1133 | int found = 0; |
1134 | ||
5cefa1d6 | 1135 | RB_DLINK_FOREACH(aptr, abort_list.head) |
212380e3 AC |
1136 | { |
1137 | abt = aptr->data; | |
1138 | if(abt->client == target_p) | |
1139 | { | |
1140 | s_assert(0); | |
55abcbb2 | 1141 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
66f7fe67 | 1142 | "On abort_list: %s stat: %u flags: %llu handler: %c", |
212380e3 | 1143 | target_p->name, (unsigned int) target_p->status, |
d19aab33 | 1144 | (unsigned long long)target_p->flags, target_p->handler); |
212380e3 | 1145 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
a6f63a82 | 1146 | "Please report this to the solanum developers!"); |
212380e3 AC |
1147 | found++; |
1148 | } | |
1149 | } | |
1150 | ||
1151 | if(found) | |
1152 | { | |
330fc5c1 | 1153 | rb_dlinkDestroy(ptr, &dead_list); |
212380e3 AC |
1154 | continue; |
1155 | } | |
1156 | } | |
1157 | #endif | |
1158 | ||
1159 | if(ptr->data == NULL) | |
1160 | { | |
1161 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1162 | "Warning: null client on dead_list!"); | |
330fc5c1 | 1163 | rb_dlinkDestroy(ptr, &dead_list); |
212380e3 AC |
1164 | continue; |
1165 | } | |
1166 | release_client_state(target_p); | |
1167 | free_client(target_p); | |
330fc5c1 | 1168 | rb_dlinkDestroy(ptr, &dead_list); |
212380e3 AC |
1169 | } |
1170 | ||
1171 | #ifdef DEBUG_EXITED_CLIENTS | |
5cefa1d6 | 1172 | RB_DLINK_FOREACH_SAFE(ptr, next, dead_remote_list.head) |
212380e3 AC |
1173 | { |
1174 | target_p = ptr->data; | |
1175 | ||
1176 | if(ptr->data == NULL) | |
1177 | { | |
1178 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
1179 | "Warning: null client on dead_list!"); | |
330fc5c1 | 1180 | rb_dlinkDestroy(ptr, &dead_list); |
212380e3 AC |
1181 | continue; |
1182 | } | |
1183 | release_client_state(target_p); | |
1184 | free_client(target_p); | |
330fc5c1 | 1185 | rb_dlinkDestroy(ptr, &dead_remote_list); |
212380e3 AC |
1186 | } |
1187 | #endif | |
55abcbb2 | 1188 | |
212380e3 AC |
1189 | } |
1190 | ||
55abcbb2 | 1191 | /* |
212380e3 | 1192 | ** Remove all clients that depend on source_p; assumes all (S)QUITs have |
55abcbb2 KB |
1193 | ** already been sent. we make sure to exit a server's dependent clients |
1194 | ** and servers before the server itself; exit_one_client takes care of | |
212380e3 | 1195 | ** actually removing things off llists. tweaked from +CSr31 -orabidoo |
cbeab4bc | 1196 | */ |
212380e3 AC |
1197 | /* |
1198 | * added sanity test code.... source_p->serv might be NULL... | |
1199 | */ | |
1200 | static void | |
1201 | recurse_remove_clients(struct Client *source_p, const char *comment) | |
1202 | { | |
1203 | struct Client *target_p; | |
330fc5c1 | 1204 | rb_dlink_node *ptr, *ptr_next; |
212380e3 AC |
1205 | |
1206 | if(IsMe(source_p)) | |
1207 | return; | |
1208 | ||
1209 | if(source_p->serv == NULL) /* oooops. uh this is actually a major bug */ | |
1210 | return; | |
1211 | ||
1212 | /* this is very ugly, but it saves cpu :P */ | |
1213 | if(ConfigFileEntry.nick_delay > 0) | |
1214 | { | |
5cefa1d6 | 1215 | RB_DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->users.head) |
212380e3 AC |
1216 | { |
1217 | target_p = ptr->data; | |
1218 | target_p->flags |= FLAGS_KILLED; | |
1219 | add_nd_entry(target_p->name); | |
1220 | ||
1221 | if(!IsDead(target_p) && !IsClosing(target_p)) | |
1222 | exit_remote_client(NULL, target_p, &me, comment); | |
1223 | } | |
1224 | } | |
1225 | else | |
1226 | { | |
5cefa1d6 | 1227 | RB_DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->users.head) |
212380e3 AC |
1228 | { |
1229 | target_p = ptr->data; | |
1230 | target_p->flags |= FLAGS_KILLED; | |
1231 | ||
1232 | if(!IsDead(target_p) && !IsClosing(target_p)) | |
1233 | exit_remote_client(NULL, target_p, &me, comment); | |
1234 | } | |
55abcbb2 | 1235 | } |
212380e3 | 1236 | |
5cefa1d6 | 1237 | RB_DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->servers.head) |
212380e3 AC |
1238 | { |
1239 | target_p = ptr->data; | |
1240 | recurse_remove_clients(target_p, comment); | |
1241 | qs_server(NULL, target_p, &me, comment); | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | /* | |
1246 | ** Remove *everything* that depends on source_p, from all lists, and sending | |
856df9a3 | 1247 | ** all necessary SQUITs. source_p itself is still on the lists, |
212380e3 | 1248 | ** and its SQUITs have been sent except for the upstream one -orabidoo |
cbeab4bc | 1249 | */ |
212380e3 AC |
1250 | static void |
1251 | remove_dependents(struct Client *client_p, | |
1252 | struct Client *source_p, | |
1253 | struct Client *from, const char *comment, const char *comment1) | |
1254 | { | |
1255 | struct Client *to; | |
330fc5c1 | 1256 | rb_dlink_node *ptr, *next; |
212380e3 | 1257 | |
5cefa1d6 | 1258 | RB_DLINK_FOREACH_SAFE(ptr, next, serv_list.head) |
212380e3 AC |
1259 | { |
1260 | to = ptr->data; | |
1261 | ||
856df9a3 | 1262 | if(IsMe(to) || to == source_p->from || to == client_p) |
212380e3 AC |
1263 | continue; |
1264 | ||
856df9a3 | 1265 | sendto_one(to, "SQUIT %s :%s", get_id(source_p, to), comment); |
212380e3 AC |
1266 | } |
1267 | ||
1268 | recurse_remove_clients(source_p, comment1); | |
1269 | } | |
1270 | ||
1271 | void | |
1272 | exit_aborted_clients(void *unused) | |
1273 | { | |
1274 | struct abort_client *abt; | |
330fc5c1 | 1275 | rb_dlink_node *ptr, *next; |
5cefa1d6 | 1276 | RB_DLINK_FOREACH_SAFE(ptr, next, abort_list.head) |
212380e3 AC |
1277 | { |
1278 | abt = ptr->data; | |
1279 | ||
1280 | #ifdef DEBUG_EXITED_CLIENTS | |
1281 | { | |
330fc5c1 | 1282 | if(rb_dlinkFind(abt->client, &dead_list)) |
212380e3 AC |
1283 | { |
1284 | s_assert(0); | |
55abcbb2 | 1285 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
66f7fe67 | 1286 | "On dead_list: %s stat: %u flags: %llu handler: %c", |
212380e3 | 1287 | abt->client->name, (unsigned int) abt->client->status, |
d19aab33 | 1288 | (unsigned long long)abt->client->flags, abt->client->handler); |
212380e3 | 1289 | sendto_realops_snomask(SNO_GENERAL, L_ALL, |
a6f63a82 | 1290 | "Please report this to the solanum developers!"); |
212380e3 AC |
1291 | continue; |
1292 | } | |
1293 | } | |
1294 | #endif | |
1295 | ||
1296 | s_assert(*((unsigned long*)abt->client) != 0xdeadbeef); /* This is lame but its a debug thing */ | |
330fc5c1 | 1297 | rb_dlinkDelete(ptr, &abort_list); |
212380e3 AC |
1298 | |
1299 | if(IsAnyServer(abt->client)) | |
a9227555 | 1300 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
212380e3 | 1301 | "Closing link to %s: %s", |
b3ebc7ab | 1302 | abt->client->name, abt->notice); |
212380e3 AC |
1303 | |
1304 | /* its no longer on abort list - we *must* remove | |
1305 | * FLAGS_CLOSING otherwise exit_client() will not run --fl | |
1306 | */ | |
1307 | abt->client->flags &= ~FLAGS_CLOSING; | |
1308 | exit_client(abt->client, abt->client, &me, abt->notice); | |
637c4932 | 1309 | rb_free(abt); |
212380e3 AC |
1310 | } |
1311 | } | |
1312 | ||
1313 | ||
1314 | /* | |
1315 | * dead_link - Adds client to a list of clients that need an exit_client() | |
212380e3 AC |
1316 | */ |
1317 | void | |
cef7a7bc | 1318 | dead_link(struct Client *client_p, int sendqex) |
212380e3 AC |
1319 | { |
1320 | struct abort_client *abt; | |
1321 | ||
1322 | s_assert(!IsMe(client_p)); | |
1323 | if(IsDead(client_p) || IsClosing(client_p) || IsMe(client_p)) | |
1324 | return; | |
1325 | ||
eddc2ab6 | 1326 | abt = (struct abort_client *) rb_malloc(sizeof(struct abort_client)); |
212380e3 | 1327 | |
cef7a7bc | 1328 | if(sendqex) |
f427c8b0 | 1329 | rb_strlcpy(abt->notice, "Max SendQ exceeded", sizeof(abt->notice)); |
212380e3 | 1330 | else |
5203cba5 | 1331 | snprintf(abt->notice, sizeof(abt->notice), "Write error: %s", strerror(errno)); |
212380e3 AC |
1332 | |
1333 | abt->client = client_p; | |
1334 | SetIOError(client_p); | |
1335 | SetDead(client_p); | |
1336 | SetClosing(client_p); | |
330fc5c1 | 1337 | rb_dlinkAdd(abt, &abt->node, &abort_list); |
212380e3 AC |
1338 | } |
1339 | ||
1340 | ||
1341 | /* This does the remove of the user from channels..local or remote */ | |
1342 | static inline void | |
1343 | exit_generic_client(struct Client *client_p, struct Client *source_p, struct Client *from, | |
1344 | const char *comment) | |
1345 | { | |
637c4932 | 1346 | rb_dlink_node *ptr, *next_ptr; |
212380e3 AC |
1347 | |
1348 | if(IsOper(source_p)) | |
330fc5c1 | 1349 | rb_dlinkFindDestroy(source_p, &oper_list); |
212380e3 | 1350 | |
583f064f | 1351 | sendto_common_channels_local(source_p, NOCAPS, NOCAPS, ":%s!%s@%s QUIT :%s", |
212380e3 AC |
1352 | source_p->name, |
1353 | source_p->username, source_p->host, comment); | |
1354 | ||
1355 | remove_user_from_channels(source_p); | |
1356 | ||
1357 | /* Should not be in any channels now */ | |
1358 | s_assert(source_p->user->channel.head == NULL); | |
1359 | ||
1360 | /* Clean up invitefield */ | |
637c4932 | 1361 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, source_p->user->invited.head) |
212380e3 AC |
1362 | { |
1363 | del_invite(ptr->data, source_p); | |
1364 | } | |
1365 | ||
1366 | /* Clean up allow lists */ | |
1367 | del_all_accepts(source_p); | |
1368 | ||
b47f8a4f AC |
1369 | whowas_add_history(source_p, 0); |
1370 | whowas_off_history(source_p); | |
212380e3 AC |
1371 | |
1372 | monitor_signoff(source_p); | |
1373 | ||
1374 | if(has_id(source_p)) | |
1375 | del_from_id_hash(source_p->id, source_p); | |
1376 | ||
1377 | del_from_hostname_hash(source_p->orighost, source_p); | |
1378 | del_from_client_hash(source_p->name, source_p); | |
1379 | remove_client_from_list(source_p); | |
1380 | } | |
1381 | ||
55abcbb2 | 1382 | /* |
212380e3 AC |
1383 | * Assumes IsPerson(source_p) && !MyConnect(source_p) |
1384 | */ | |
1385 | ||
1386 | static int | |
1387 | exit_remote_client(struct Client *client_p, struct Client *source_p, struct Client *from, | |
1388 | const char *comment) | |
1389 | { | |
1390 | exit_generic_client(client_p, source_p, from, comment); | |
55abcbb2 | 1391 | |
212380e3 AC |
1392 | if(source_p->servptr && source_p->servptr->serv) |
1393 | { | |
330fc5c1 | 1394 | rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->users); |
212380e3 AC |
1395 | } |
1396 | ||
1397 | if((source_p->flags & FLAGS_KILLED) == 0) | |
1398 | { | |
1399 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, | |
1400 | ":%s QUIT :%s", use_id(source_p), comment); | |
212380e3 AC |
1401 | } |
1402 | ||
1403 | SetDead(source_p); | |
1404 | #ifdef DEBUG_EXITED_CLIENTS | |
330fc5c1 | 1405 | rb_dlinkAddAlloc(source_p, &dead_remote_list); |
212380e3 | 1406 | #else |
330fc5c1 | 1407 | rb_dlinkAddAlloc(source_p, &dead_list); |
212380e3 AC |
1408 | #endif |
1409 | return(CLIENT_EXITED); | |
1410 | } | |
1411 | ||
1412 | /* | |
07554369 | 1413 | * This assumes IsUnknown(source_p) == true and MyConnect(source_p) == true |
212380e3 AC |
1414 | */ |
1415 | ||
1416 | static int | |
d2a4981a SA |
1417 | exit_unknown_client(struct Client *client_p, /* The local client originating the |
1418 | * exit or NULL, if this exit is | |
1419 | * generated by this server for | |
1420 | * internal reasons. | |
1421 | * This will not get any of the | |
1422 | * generated messages. */ | |
1423 | struct Client *source_p, /* Client exiting */ | |
1424 | struct Client *from, /* Client firing off this Exit, | |
1425 | * never NULL! */ | |
1426 | const char *comment) | |
212380e3 | 1427 | { |
d2a4981a | 1428 | authd_abort_client(source_p); |
330fc5c1 | 1429 | rb_dlinkDelete(&source_p->localClient->tnode, &unknown_list); |
212380e3 AC |
1430 | |
1431 | if(!IsIOError(source_p)) | |
dd12a19c JT |
1432 | sendto_one(source_p, "ERROR :Closing Link: %s (%s)", |
1433 | source_p->user != NULL ? source_p->host : "127.0.0.1", | |
1434 | comment); | |
212380e3 AC |
1435 | |
1436 | close_connection(source_p); | |
1437 | ||
1438 | if(has_id(source_p)) | |
1439 | del_from_id_hash(source_p->id, source_p); | |
1440 | ||
1441 | del_from_hostname_hash(source_p->host, source_p); | |
365e1366 SA |
1442 | if (!IsAnyServer(source_p)) |
1443 | del_from_client_hash(source_p->name, source_p); | |
212380e3 | 1444 | remove_client_from_list(source_p); |
212380e3 | 1445 | SetDead(source_p); |
330fc5c1 | 1446 | rb_dlinkAddAlloc(source_p, &dead_list); |
212380e3 AC |
1447 | |
1448 | /* Note that we don't need to add unknowns to the dead_list */ | |
1449 | return(CLIENT_EXITED); | |
1450 | } | |
1451 | ||
1452 | static int | |
55abcbb2 | 1453 | exit_remote_server(struct Client *client_p, struct Client *source_p, struct Client *from, |
212380e3 AC |
1454 | const char *comment) |
1455 | { | |
1456 | static char comment1[(HOSTLEN*2)+2]; | |
1457 | static char newcomment[BUFSIZE]; | |
1458 | struct Client *target_p; | |
55abcbb2 | 1459 | |
212380e3 AC |
1460 | if(ConfigServerHide.flatten_links) |
1461 | strcpy(comment1, "*.net *.split"); | |
1462 | else | |
1463 | { | |
66c8fdd2 | 1464 | strcpy(comment1, source_p->servptr->name); |
212380e3 AC |
1465 | strcat(comment1, " "); |
1466 | strcat(comment1, source_p->name); | |
1467 | } | |
1468 | if (IsPerson(from)) | |
5203cba5 | 1469 | snprintf(newcomment, sizeof(newcomment), "by %s: %s", |
212380e3 AC |
1470 | from->name, comment); |
1471 | ||
6c1e15a4 | 1472 | remove_dependents(client_p, source_p, from, IsPerson(from) ? newcomment : comment, comment1); |
212380e3 | 1473 | |
6c1e15a4 | 1474 | rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers); |
212380e3 | 1475 | |
330fc5c1 | 1476 | rb_dlinkFindDestroy(source_p, &global_serv_list); |
212380e3 | 1477 | target_p = source_p->from; |
55abcbb2 | 1478 | |
212380e3 AC |
1479 | if(target_p != NULL && IsServer(target_p) && target_p != client_p && |
1480 | !IsMe(target_p) && (source_p->flags & FLAGS_KILLED) == 0) | |
1481 | { | |
55abcbb2 | 1482 | sendto_one(target_p, ":%s SQUIT %s :%s", |
212380e3 AC |
1483 | get_id(from, target_p), get_id(source_p, target_p), |
1484 | comment); | |
1485 | } | |
1486 | ||
1487 | if(has_id(source_p)) | |
1488 | del_from_id_hash(source_p->id, source_p); | |
1489 | ||
1490 | del_from_client_hash(source_p->name, source_p); | |
55abcbb2 | 1491 | remove_client_from_list(source_p); |
6c1e15a4 | 1492 | |
994544c2 | 1493 | scache_split(source_p->serv->nameinfo); |
55abcbb2 | 1494 | |
212380e3 AC |
1495 | SetDead(source_p); |
1496 | #ifdef DEBUG_EXITED_CLIENTS | |
330fc5c1 | 1497 | rb_dlinkAddAlloc(source_p, &dead_remote_list); |
212380e3 | 1498 | #else |
330fc5c1 | 1499 | rb_dlinkAddAlloc(source_p, &dead_list); |
212380e3 AC |
1500 | #endif |
1501 | return 0; | |
1502 | } | |
1503 | ||
1504 | static int | |
55abcbb2 | 1505 | qs_server(struct Client *client_p, struct Client *source_p, struct Client *from, |
212380e3 AC |
1506 | const char *comment) |
1507 | { | |
212380e3 | 1508 | if(source_p->servptr && source_p->servptr->serv) |
330fc5c1 | 1509 | rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers); |
212380e3 AC |
1510 | else |
1511 | s_assert(0); | |
1512 | ||
330fc5c1 | 1513 | rb_dlinkFindDestroy(source_p, &global_serv_list); |
55abcbb2 | 1514 | |
212380e3 AC |
1515 | if(has_id(source_p)) |
1516 | del_from_id_hash(source_p->id, source_p); | |
1517 | ||
1518 | del_from_client_hash(source_p->name, source_p); | |
55abcbb2 | 1519 | remove_client_from_list(source_p); |
19807b5b | 1520 | scache_split(source_p->serv->nameinfo); |
55abcbb2 | 1521 | |
212380e3 | 1522 | SetDead(source_p); |
55abcbb2 | 1523 | rb_dlinkAddAlloc(source_p, &dead_list); |
212380e3 AC |
1524 | return 0; |
1525 | } | |
1526 | ||
1527 | static int | |
55abcbb2 | 1528 | exit_local_server(struct Client *client_p, struct Client *source_p, struct Client *from, |
212380e3 AC |
1529 | const char *comment) |
1530 | { | |
1531 | static char comment1[(HOSTLEN*2)+2]; | |
1532 | static char newcomment[BUFSIZE]; | |
1533 | unsigned int sendk, recvk; | |
55abcbb2 | 1534 | |
330fc5c1 AC |
1535 | rb_dlinkDelete(&source_p->localClient->tnode, &serv_list); |
1536 | rb_dlinkFindDestroy(source_p, &global_serv_list); | |
55abcbb2 | 1537 | |
212380e3 AC |
1538 | sendk = source_p->localClient->sendK; |
1539 | recvk = source_p->localClient->receiveK; | |
1540 | ||
1541 | /* Always show source here, so the server notices show | |
1542 | * which side initiated the split -- jilles | |
1543 | */ | |
5203cba5 | 1544 | snprintf(newcomment, sizeof(newcomment), "by %s: %s", |
212380e3 AC |
1545 | from == source_p ? me.name : from->name, comment); |
1546 | if (!IsIOError(source_p)) | |
1547 | sendto_one(source_p, "SQUIT %s :%s", use_id(source_p), | |
1548 | newcomment); | |
1549 | if(client_p != NULL && source_p != client_p && !IsIOError(source_p)) | |
1550 | { | |
1551 | sendto_one(source_p, "ERROR :Closing Link: 127.0.0.1 %s (%s)", | |
1552 | source_p->name, comment); | |
1553 | } | |
55abcbb2 | 1554 | |
212380e3 | 1555 | if(source_p->servptr && source_p->servptr->serv) |
330fc5c1 | 1556 | rb_dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers); |
212380e3 AC |
1557 | else |
1558 | s_assert(0); | |
1559 | ||
1560 | ||
1561 | close_connection(source_p); | |
55abcbb2 | 1562 | |
212380e3 AC |
1563 | if(ConfigServerHide.flatten_links) |
1564 | strcpy(comment1, "*.net *.split"); | |
1565 | else | |
1566 | { | |
66c8fdd2 | 1567 | strcpy(comment1, source_p->servptr->name); |
212380e3 AC |
1568 | strcat(comment1, " "); |
1569 | strcat(comment1, source_p->name); | |
1570 | } | |
1571 | ||
1572 | if(source_p->serv != NULL) | |
1573 | remove_dependents(client_p, source_p, from, IsPerson(from) ? newcomment : comment, comment1); | |
1574 | ||
1575 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s was connected" | |
1576 | " for %ld seconds. %d/%d sendK/recvK.", | |
adc6cc42 | 1577 | source_p->name, (long) rb_current_time() - source_p->localClient->firsttime, sendk, recvk); |
212380e3 AC |
1578 | |
1579 | ilog(L_SERVER, "%s was connected for %ld seconds. %d/%d sendK/recvK.", | |
adc6cc42 | 1580 | source_p->name, (long) rb_current_time() - source_p->localClient->firsttime, sendk, recvk); |
55abcbb2 | 1581 | |
212380e3 AC |
1582 | if(has_id(source_p)) |
1583 | del_from_id_hash(source_p->id, source_p); | |
1584 | ||
1585 | del_from_client_hash(source_p->name, source_p); | |
1586 | remove_client_from_list(source_p); | |
994544c2 | 1587 | scache_split(source_p->serv->nameinfo); |
55abcbb2 | 1588 | |
212380e3 | 1589 | SetDead(source_p); |
330fc5c1 | 1590 | rb_dlinkAddAlloc(source_p, &dead_list); |
212380e3 AC |
1591 | return 0; |
1592 | } | |
1593 | ||
1594 | ||
55abcbb2 | 1595 | /* |
07554369 | 1596 | * This assumes IsPerson(source_p) == true && MyConnect(source_p) == true |
212380e3 AC |
1597 | */ |
1598 | ||
1599 | static int | |
1600 | exit_local_client(struct Client *client_p, struct Client *source_p, struct Client *from, | |
1601 | const char *comment) | |
1602 | { | |
1603 | unsigned long on_for; | |
08d75d97 | 1604 | char tbuf[26]; |
212380e3 AC |
1605 | |
1606 | exit_generic_client(client_p, source_p, from, comment); | |
1607 | clear_monitor(source_p); | |
1608 | ||
1609 | s_assert(IsPerson(source_p)); | |
330fc5c1 AC |
1610 | rb_dlinkDelete(&source_p->localClient->tnode, &lclient_list); |
1611 | rb_dlinkDelete(&source_p->lnode, &me.serv->users); | |
212380e3 AC |
1612 | |
1613 | if(IsOper(source_p)) | |
330fc5c1 | 1614 | rb_dlinkFindDestroy(source_p, &local_oper_list); |
212380e3 AC |
1615 | |
1616 | sendto_realops_snomask(SNO_CCONN, L_ALL, | |
1617 | "Client exiting: %s (%s@%s) [%s] [%s]", | |
1618 | source_p->name, | |
1619 | source_p->username, source_p->host, comment, | |
1620 | show_ip(NULL, source_p) ? source_p->sockhost : "255.255.255.255"); | |
1621 | ||
1622 | sendto_realops_snomask(SNO_CCONNEXT, L_ALL, | |
1623 | "CLIEXIT %s %s %s %s 0 %s", | |
1624 | source_p->name, source_p->username, source_p->host, | |
1625 | show_ip(NULL, source_p) ? source_p->sockhost : "255.255.255.255", | |
1626 | comment); | |
1627 | ||
e3354945 | 1628 | on_for = rb_current_time() - source_p->localClient->firsttime; |
212380e3 | 1629 | |
9641f156 | 1630 | ilog(L_USER, "%s (%3lu:%02lu:%02lu): %s!%s@%s %s %d/%d", |
08d75d97 | 1631 | rb_ctime(rb_current_time(), tbuf, sizeof(tbuf)), on_for / 3600, |
212380e3 AC |
1632 | (on_for % 3600) / 60, on_for % 60, |
1633 | source_p->name, source_p->username, source_p->host, | |
9641f156 | 1634 | source_p->sockhost, |
212380e3 AC |
1635 | source_p->localClient->sendK, source_p->localClient->receiveK); |
1636 | ||
1637 | sendto_one(source_p, "ERROR :Closing Link: %s (%s)", source_p->host, comment); | |
1638 | close_connection(source_p); | |
1639 | ||
1640 | if((source_p->flags & FLAGS_KILLED) == 0) | |
1641 | { | |
1642 | sendto_server(client_p, NULL, CAP_TS6, NOCAPS, | |
1643 | ":%s QUIT :%s", use_id(source_p), comment); | |
212380e3 AC |
1644 | } |
1645 | ||
1646 | SetDead(source_p); | |
330fc5c1 | 1647 | rb_dlinkAddAlloc(source_p, &dead_list); |
212380e3 AC |
1648 | return(CLIENT_EXITED); |
1649 | } | |
1650 | ||
1651 | ||
1652 | /* | |
1653 | ** exit_client - This is old "m_bye". Name changed, because this is not a | |
1654 | ** protocol function, but a general server utility function. | |
1655 | ** | |
1656 | ** This function exits a client of *any* type (user, server, etc) | |
1657 | ** from this server. Also, this generates all necessary prototol | |
1658 | ** messages that this exit may cause. | |
1659 | ** | |
1660 | ** 1) If the client is a local client, then this implicitly | |
1661 | ** exits all other clients depending on this connection (e.g. | |
1662 | ** remote clients having 'from'-field that points to this. | |
1663 | ** | |
1664 | ** 2) If the client is a remote client, then only this is exited. | |
1665 | ** | |
1666 | ** For convenience, this function returns a suitable value for | |
1667 | ** m_function return value: | |
1668 | ** | |
1669 | ** CLIENT_EXITED if (client_p == source_p) | |
1670 | ** 0 if (client_p != source_p) | |
cbeab4bc | 1671 | */ |
212380e3 AC |
1672 | int |
1673 | exit_client(struct Client *client_p, /* The local client originating the | |
1674 | * exit or NULL, if this exit is | |
1675 | * generated by this server for | |
1676 | * internal reasons. | |
1677 | * This will not get any of the | |
1678 | * generated messages. */ | |
1679 | struct Client *source_p, /* Client exiting */ | |
1680 | struct Client *from, /* Client firing off this Exit, | |
1681 | * never NULL! */ | |
1682 | const char *comment /* Reason for the exit */ | |
1683 | ) | |
1684 | { | |
15b05f95 SA |
1685 | int ret = -1; |
1686 | ||
212380e3 AC |
1687 | hook_data_client_exit hdata; |
1688 | if(IsClosing(source_p)) | |
1689 | return -1; | |
1690 | ||
1691 | /* note, this HAS to be here, when we exit a client we attempt to | |
1692 | * send them data, if this generates a write error we must *not* add | |
1693 | * them to the abort list --fl | |
1694 | */ | |
1695 | SetClosing(source_p); | |
1696 | ||
1697 | hdata.local_link = client_p; | |
1698 | hdata.target = source_p; | |
1699 | hdata.from = from; | |
1700 | hdata.comment = comment; | |
1701 | call_hook(h_client_exit, &hdata); | |
1702 | ||
1703 | if(MyConnect(source_p)) | |
1704 | { | |
1705 | /* Local clients of various types */ | |
1706 | if(IsPerson(source_p)) | |
15b05f95 | 1707 | ret = exit_local_client(client_p, source_p, from, comment); |
212380e3 | 1708 | else if(IsServer(source_p)) |
15b05f95 | 1709 | ret = exit_local_server(client_p, source_p, from, comment); |
212380e3 AC |
1710 | /* IsUnknown || IsConnecting || IsHandShake */ |
1711 | else if(!IsReject(source_p)) | |
15b05f95 | 1712 | ret = exit_unknown_client(client_p, source_p, from, comment); |
55abcbb2 KB |
1713 | } |
1714 | else | |
212380e3 AC |
1715 | { |
1716 | /* Remotes */ | |
1717 | if(IsPerson(source_p)) | |
15b05f95 | 1718 | ret = exit_remote_client(client_p, source_p, from, comment); |
212380e3 | 1719 | else if(IsServer(source_p)) |
15b05f95 | 1720 | ret = exit_remote_server(client_p, source_p, from, comment); |
212380e3 AC |
1721 | } |
1722 | ||
15b05f95 SA |
1723 | call_hook(h_after_client_exit, NULL); |
1724 | ||
1725 | return ret; | |
212380e3 AC |
1726 | } |
1727 | ||
1728 | /* | |
1729 | * Count up local client memory | |
1730 | */ | |
1731 | ||
1732 | /* XXX one common Client list now */ | |
1733 | void | |
1734 | count_local_client_memory(size_t * count, size_t * local_client_memory_used) | |
1735 | { | |
1087485c JT |
1736 | size_t lusage; |
1737 | rb_bh_usage(lclient_heap, count, NULL, &lusage, NULL); | |
adc6cc42 | 1738 | *local_client_memory_used = lusage + (*count * (sizeof(void *) + sizeof(struct Client))); |
212380e3 AC |
1739 | } |
1740 | ||
1741 | /* | |
1742 | * Count up remote client memory | |
1743 | */ | |
1744 | void | |
1745 | count_remote_client_memory(size_t * count, size_t * remote_client_memory_used) | |
1746 | { | |
1087485c JT |
1747 | size_t lcount, rcount; |
1748 | rb_bh_usage(lclient_heap, &lcount, NULL, NULL, NULL); | |
1749 | rb_bh_usage(client_heap, &rcount, NULL, NULL, NULL); | |
1750 | *count = rcount - lcount; | |
adc6cc42 | 1751 | *remote_client_memory_used = *count * (sizeof(void *) + sizeof(struct Client)); |
212380e3 AC |
1752 | } |
1753 | ||
1754 | ||
1755 | /* | |
1756 | * accept processing, this adds a form of "caller ID" to ircd | |
55abcbb2 | 1757 | * |
212380e3 | 1758 | * If a client puts themselves into "caller ID only" mode, |
55abcbb2 | 1759 | * only clients that match a client pointer they have put on |
212380e3 AC |
1760 | * the accept list will be allowed to message them. |
1761 | * | |
1762 | * [ source.on_allow_list ] -> [ target1 ] -> [ target2 ] | |
1763 | * | |
1764 | * [target.allow_list] -> [ source1 ] -> [source2 ] | |
1765 | * | |
1766 | * i.e. a target will have a link list of source pointers it will allow | |
1767 | * each source client then has a back pointer pointing back | |
1768 | * to the client that has it on its accept list. | |
1769 | * This allows for exit_one_client to remove these now bogus entries | |
55abcbb2 | 1770 | * from any client having an accept on them. |
212380e3 AC |
1771 | */ |
1772 | /* | |
1773 | * del_all_accepts | |
1774 | * | |
1775 | * inputs - pointer to exiting client | |
1776 | * output - NONE | |
1777 | * side effects - Walk through given clients allow_list and on_allow_list | |
1778 | * remove all references to this client | |
1779 | */ | |
1780 | void | |
1781 | del_all_accepts(struct Client *client_p) | |
1782 | { | |
330fc5c1 | 1783 | rb_dlink_node *ptr; |
637c4932 | 1784 | rb_dlink_node *next_ptr; |
212380e3 AC |
1785 | struct Client *target_p; |
1786 | ||
1787 | if(MyClient(client_p) && client_p->localClient->allow_list.head) | |
1788 | { | |
1789 | /* clear this clients accept list, and remove them from | |
1790 | * everyones on_accept_list | |
1791 | */ | |
637c4932 | 1792 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->allow_list.head) |
212380e3 AC |
1793 | { |
1794 | target_p = ptr->data; | |
330fc5c1 AC |
1795 | rb_dlinkFindDestroy(client_p, &target_p->on_allow_list); |
1796 | rb_dlinkDestroy(ptr, &client_p->localClient->allow_list); | |
212380e3 AC |
1797 | } |
1798 | } | |
1799 | ||
1800 | /* remove this client from everyones accept list */ | |
637c4932 | 1801 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head) |
212380e3 AC |
1802 | { |
1803 | target_p = ptr->data; | |
330fc5c1 AC |
1804 | rb_dlinkFindDestroy(client_p, &target_p->localClient->allow_list); |
1805 | rb_dlinkDestroy(ptr, &client_p->on_allow_list); | |
212380e3 AC |
1806 | } |
1807 | } | |
1808 | ||
1809 | /* | |
521f9d63 | 1810 | * show_ip() - asks if the true IP should be shown when source is |
55abcbb2 | 1811 | * asking for info about target |
212380e3 AC |
1812 | * |
1813 | * Inputs - source_p who is asking | |
1814 | * - target_p who do we want the info on | |
521f9d63 | 1815 | * Output - returns 1 if clear IP can be shown, otherwise 0 |
212380e3 AC |
1816 | * Side Effects - none |
1817 | */ | |
1818 | ||
1819 | int | |
1820 | show_ip(struct Client *source_p, struct Client *target_p) | |
1821 | { | |
1822 | if(IsAnyServer(target_p)) | |
1823 | { | |
212380e3 AC |
1824 | return 0; |
1825 | } | |
1826 | else if(IsIPSpoof(target_p)) | |
1827 | { | |
1828 | /* source == NULL indicates message is being sent | |
1829 | * to local opers. | |
1830 | */ | |
1831 | if(!ConfigFileEntry.hide_spoof_ips && | |
f89a8deb | 1832 | (source_p == NULL || HasPrivilege(source_p, "auspex:hostname"))) |
212380e3 AC |
1833 | return 1; |
1834 | return 0; | |
1835 | } | |
458c8538 | 1836 | else if(IsDynSpoof(target_p) && (source_p != NULL && !HasPrivilege(source_p, "auspex:hostname"))) |
212380e3 AC |
1837 | return 0; |
1838 | else | |
1839 | return 1; | |
1840 | } | |
1841 | ||
1842 | int | |
1843 | show_ip_conf(struct ConfItem *aconf, struct Client *source_p) | |
1844 | { | |
1845 | if(IsConfDoSpoofIp(aconf)) | |
1846 | { | |
1847 | if(!ConfigFileEntry.hide_spoof_ips && MyOper(source_p)) | |
1848 | return 1; | |
1849 | ||
1850 | return 0; | |
1851 | } | |
1852 | else | |
1853 | return 1; | |
1854 | } | |
1855 | ||
364e59f8 JT |
1856 | int |
1857 | show_ip_whowas(struct Whowas *whowas, struct Client *source_p) | |
1858 | { | |
1859 | if(whowas->flags & WHOWAS_IP_SPOOFING) | |
1860 | if(ConfigFileEntry.hide_spoof_ips || !MyOper(source_p)) | |
1861 | return 0; | |
1862 | if(whowas->flags & WHOWAS_DYNSPOOF) | |
1863 | if(!IsOper(source_p)) | |
1864 | return 0; | |
1865 | return 1; | |
1866 | } | |
1867 | ||
212380e3 AC |
1868 | /* |
1869 | * make_user | |
1870 | * | |
1871 | * inputs - pointer to client struct | |
1872 | * output - pointer to struct User | |
1873 | * side effects - add's an User information block to a client | |
1874 | * if it was not previously allocated. | |
1875 | */ | |
1876 | struct User * | |
1877 | make_user(struct Client *client_p) | |
1878 | { | |
1879 | struct User *user; | |
1880 | ||
1881 | user = client_p->user; | |
1882 | if(!user) | |
1883 | { | |
398b6a73 | 1884 | user = (struct User *) rb_bh_alloc(user_heap); |
212380e3 AC |
1885 | user->refcnt = 1; |
1886 | client_p->user = user; | |
1887 | } | |
1888 | return user; | |
1889 | } | |
1890 | ||
1891 | /* | |
1892 | * make_server | |
1893 | * | |
1894 | * inputs - pointer to client struct | |
1895 | * output - pointer to server_t | |
1896 | * side effects - add's an Server information block to a client | |
1897 | * if it was not previously allocated. | |
1898 | */ | |
8f103562 | 1899 | struct Server * |
212380e3 AC |
1900 | make_server(struct Client *client_p) |
1901 | { | |
8f103562 | 1902 | struct Server *serv = client_p->serv; |
212380e3 AC |
1903 | |
1904 | if(!serv) | |
1905 | { | |
8f103562 | 1906 | serv = (struct Server *) rb_malloc(sizeof(struct Server)); |
212380e3 AC |
1907 | client_p->serv = serv; |
1908 | } | |
1909 | return client_p->serv; | |
1910 | } | |
1911 | ||
1912 | /* | |
1913 | * free_user | |
55abcbb2 | 1914 | * |
212380e3 AC |
1915 | * inputs - pointer to user struct |
1916 | * - pointer to client struct | |
1917 | * output - none | |
1918 | * side effects - Decrease user reference count by one and release block, | |
1919 | * if count reaches 0 | |
1920 | */ | |
1921 | void | |
1922 | free_user(struct User *user, struct Client *client_p) | |
1923 | { | |
c127b45b SB |
1924 | free_away(client_p); |
1925 | ||
212380e3 AC |
1926 | if(--user->refcnt <= 0) |
1927 | { | |
c127b45b SB |
1928 | if(user->away) |
1929 | rb_free((char *) user->away); | |
ed3ca2ff EK |
1930 | rb_free(user->opername); |
1931 | if (user->privset) | |
1932 | privilegeset_unref(user->privset); | |
212380e3 AC |
1933 | /* |
1934 | * sanity check | |
1935 | */ | |
1936 | if(user->refcnt < 0 || user->invited.head || user->channel.head) | |
1937 | { | |
1938 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
0b9aca38 AC |
1939 | "* %p user (%s!%s@%s) %p %p %p %lu %d *", |
1940 | client_p, | |
212380e3 AC |
1941 | client_p ? client_p-> |
1942 | name : "<noname>", | |
1943 | client_p->username, | |
1944 | client_p->host, | |
0b9aca38 AC |
1945 | user, |
1946 | user->invited.head, | |
1947 | user->channel.head, | |
330fc5c1 | 1948 | rb_dlink_list_length(&user->channel), |
212380e3 AC |
1949 | user->refcnt); |
1950 | s_assert(!user->refcnt); | |
1951 | s_assert(!user->invited.head); | |
1952 | s_assert(!user->channel.head); | |
1953 | } | |
1954 | ||
398b6a73 | 1955 | rb_bh_free(user_heap, user); |
212380e3 AC |
1956 | } |
1957 | } | |
1958 | ||
e581ea8e | 1959 | void |
c127b45b | 1960 | allocate_away(struct Client *client_p) |
e581ea8e | 1961 | { |
c127b45b | 1962 | if(client_p->user->away == NULL) |
55abcbb2 | 1963 | client_p->user->away = rb_bh_alloc(away_heap); |
e581ea8e AC |
1964 | } |
1965 | ||
c127b45b | 1966 | |
e581ea8e | 1967 | void |
c127b45b | 1968 | free_away(struct Client *client_p) |
e581ea8e | 1969 | { |
c127b45b SB |
1970 | if(client_p->user != NULL && client_p->user->away != NULL) { |
1971 | rb_bh_free(away_heap, client_p->user->away); | |
1972 | client_p->user->away = NULL; | |
e581ea8e AC |
1973 | } |
1974 | } | |
1975 | ||
212380e3 AC |
1976 | void |
1977 | init_uid(void) | |
1978 | { | |
1979 | int i; | |
1980 | ||
1981 | for(i = 0; i < 3; i++) | |
1982 | current_uid[i] = me.id[i]; | |
1983 | ||
1984 | for(i = 3; i < 9; i++) | |
1985 | current_uid[i] = 'A'; | |
1986 | ||
1987 | current_uid[9] = '\0'; | |
1988 | } | |
1989 | ||
1990 | ||
1991 | char * | |
1992 | generate_uid(void) | |
1993 | { | |
428f9bc1 | 1994 | static int flipped = 0; |
212380e3 AC |
1995 | int i; |
1996 | ||
428f9bc1 | 1997 | uid_restart: |
212380e3 AC |
1998 | for(i = 8; i > 3; i--) |
1999 | { | |
2000 | if(current_uid[i] == 'Z') | |
2001 | { | |
2002 | current_uid[i] = '0'; | |
428f9bc1 | 2003 | goto out; |
212380e3 AC |
2004 | } |
2005 | else if(current_uid[i] != '9') | |
2006 | { | |
2007 | current_uid[i]++; | |
428f9bc1 | 2008 | goto out; |
212380e3 AC |
2009 | } |
2010 | else | |
2011 | current_uid[i] = 'A'; | |
2012 | } | |
2013 | ||
2014 | /* if this next if() triggers, we're fucked. */ | |
2015 | if(current_uid[3] == 'Z') | |
2016 | { | |
2017 | current_uid[i] = 'A'; | |
428f9bc1 | 2018 | flipped = 1; |
212380e3 AC |
2019 | } |
2020 | else | |
2021 | current_uid[i]++; | |
428f9bc1 AC |
2022 | out: |
2023 | /* if this happens..well, i'm not sure what to say, but lets handle it correctly */ | |
2024 | if(rb_unlikely(flipped)) | |
2025 | { | |
2026 | /* this slows down uid generation a bit... */ | |
2027 | if(find_id(current_uid) != NULL) | |
2028 | goto uid_restart; | |
2029 | } | |
212380e3 AC |
2030 | return current_uid; |
2031 | } | |
2032 | ||
2033 | /* | |
2034 | * close_connection | |
2035 | * Close the physical connection. This function must make | |
2036 | * MyConnect(client_p) == FALSE, and set client_p->from == NULL. | |
2037 | */ | |
2038 | void | |
2039 | close_connection(struct Client *client_p) | |
2040 | { | |
2041 | s_assert(client_p != NULL); | |
2042 | if(client_p == NULL) | |
2043 | return; | |
2044 | ||
2045 | s_assert(MyConnect(client_p)); | |
2046 | if(!MyConnect(client_p)) | |
2047 | return; | |
55abcbb2 | 2048 | |
212380e3 AC |
2049 | if(IsServer(client_p)) |
2050 | { | |
2051 | struct server_conf *server_p; | |
2052 | ||
8bd5767b JT |
2053 | ServerStats.is_sv++; |
2054 | ServerStats.is_sbs += client_p->localClient->sendB; | |
2055 | ServerStats.is_sbr += client_p->localClient->receiveB; | |
679ccbe5 | 2056 | ServerStats.is_sti += (unsigned long long)(rb_current_time() - client_p->localClient->firsttime); |
212380e3 AC |
2057 | |
2058 | /* | |
2059 | * If the connection has been up for a long amount of time, schedule | |
2060 | * a 'quick' reconnect, else reset the next-connect cycle. | |
2061 | */ | |
2062 | if((server_p = find_server_conf(client_p->name)) != NULL) | |
2063 | { | |
2064 | /* | |
2065 | * Reschedule a faster reconnect, if this was a automatically | |
2066 | * connected configuration entry. (Note that if we have had | |
2067 | * a rehash in between, the status has been changed to | |
2068 | * CONF_ILLEGAL). But only do this if it was a "good" link. | |
2069 | */ | |
2070 | server_p->hold = time(NULL); | |
2071 | server_p->hold += | |
2072 | (server_p->hold - client_p->localClient->lasttime > | |
2073 | HANGONGOODLINK) ? HANGONRETRYDELAY : ConFreq(server_p->class); | |
2074 | } | |
2075 | ||
2076 | } | |
2077 | else if(IsClient(client_p)) | |
2078 | { | |
8bd5767b JT |
2079 | ServerStats.is_cl++; |
2080 | ServerStats.is_cbs += client_p->localClient->sendB; | |
2081 | ServerStats.is_cbr += client_p->localClient->receiveB; | |
679ccbe5 | 2082 | ServerStats.is_cti += (unsigned long long)(rb_current_time() - client_p->localClient->firsttime); |
212380e3 AC |
2083 | } |
2084 | else | |
47adde3d | 2085 | ServerStats.is_ni++; |
54ac8b60 | 2086 | |
de7cf7e0 | 2087 | client_release_connids(client_p); |
36f0ec74 | 2088 | |
c6d72037 | 2089 | if(client_p->localClient->F != NULL) |
54ac8b60 VY |
2090 | { |
2091 | /* attempt to flush any pending dbufs. Evil, but .. -- adrian */ | |
2092 | if(!IsIOError(client_p)) | |
2093 | send_queued(client_p); | |
2094 | ||
2095 | rb_close(client_p->localClient->F); | |
2096 | client_p->localClient->F = NULL; | |
2097 | } | |
2098 | ||
734d420e JT |
2099 | rb_linebuf_donebuf(&client_p->localClient->buf_sendq); |
2100 | rb_linebuf_donebuf(&client_p->localClient->buf_recvq); | |
212380e3 AC |
2101 | detach_conf(client_p); |
2102 | ||
2103 | /* XXX shouldnt really be done here. */ | |
2104 | detach_server_conf(client_p); | |
2105 | ||
2106 | client_p->from = NULL; /* ...this should catch them! >:) --msa */ | |
2107 | ClearMyConnect(client_p); | |
2108 | SetIOError(client_p); | |
2109 | } | |
2110 | ||
2111 | ||
2112 | ||
2113 | void | |
2114 | error_exit_client(struct Client *client_p, int error) | |
2115 | { | |
2116 | /* | |
2117 | * ...hmm, with non-blocking sockets we might get | |
2118 | * here from quite valid reasons, although.. why | |
2119 | * would select report "data available" when there | |
2120 | * wasn't... so, this must be an error anyway... --msa | |
2121 | * actually, EOF occurs when read() returns 0 and | |
2122 | * in due course, select() returns that fd as ready | |
2123 | * for reading even though it ends up being an EOF. -avalon | |
2124 | */ | |
2125 | char errmsg[255]; | |
734d420e | 2126 | int current_error = rb_get_sockerr(client_p->localClient->F); |
212380e3 AC |
2127 | |
2128 | SetIOError(client_p); | |
2129 | ||
2130 | if(IsServer(client_p) || IsHandshake(client_p)) | |
2131 | { | |
212380e3 AC |
2132 | if(error == 0) |
2133 | { | |
a9227555 | 2134 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
212380e3 | 2135 | "Server %s closed the connection", |
b3ebc7ab | 2136 | client_p->name); |
212380e3 AC |
2137 | |
2138 | ilog(L_SERVER, "Server %s closed the connection", | |
2139 | log_client_name(client_p, SHOW_IP)); | |
2140 | } | |
2141 | else | |
2142 | { | |
a9227555 | 2143 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, |
212380e3 AC |
2144 | "Lost connection to %s: %s", |
2145 | client_p->name, strerror(current_error)); | |
2146 | ilog(L_SERVER, "Lost connection to %s: %s", | |
2147 | log_client_name(client_p, SHOW_IP), strerror(current_error)); | |
2148 | } | |
212380e3 AC |
2149 | } |
2150 | ||
2151 | if(error == 0) | |
f427c8b0 | 2152 | rb_strlcpy(errmsg, "Remote host closed the connection", sizeof(errmsg)); |
212380e3 | 2153 | else |
5203cba5 | 2154 | snprintf(errmsg, sizeof(errmsg), "Read error: %s", strerror(current_error)); |
212380e3 AC |
2155 | |
2156 | exit_client(client_p, client_p, &me, errmsg); | |
2157 | } |