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root/svn/ircd-hybrid/trunk/src/client.c

Comparing ircd-hybrid/trunk/src/client.c (file contents):
Revision 1644 by michael, Tue Nov 6 22:20:16 2012 UTC vs.
Revision 4187 by michael, Sun Jul 6 16:14:34 2014 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) 1997-2014 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 18 | Line 17
17		*  along with this program; if not, write to the Free Software
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
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 "log.h"
39	<	#include "s_misc.h"
40	<	#include "s_serv.h"
39	>	#include "misc.h"
40	>	#include "server.h"
41		#include "send.h"
42		#include "whowas.h"
43	<	#include "s_user.h"
46	<	#include "dbuf.h"
43	>	#include "user.h"
44		#include "memory.h"
45	+	#include "mempool.h"
46		#include "hostmask.h"
49	–	#include "balloc.h"
47		#include "listener.h"
51	–	#include "irc_res.h"
48		#include "userhost.h"
49		#include "watch.h"
50	+	#include "rng_mt.h"
51	+	#include "parse.h"
52
53		dlink_list listing_client_list = { NULL, NULL, 0 };
54		/* Pointer to beginning of Client list */
#	Line 62 | Line 60 | dlink_list serv_list = {NULL, NULL, 0};
60		dlink_list global_serv_list = {NULL, NULL, 0};
61		dlink_list oper_list = {NULL, NULL, 0};
62
63	<	static EVH check_pings;
63	>	static void check_pings(void *);
64
65	<	static BlockHeap *client_heap  = NULL;
66	<	static BlockHeap *lclient_heap = NULL;
65	>	static mp_pool_t *client_pool  = NULL;
66	>	static mp_pool_t *lclient_pool = NULL;
67
68		static dlink_list dead_list  = { NULL, NULL, 0};
69		static dlink_list abort_list = { NULL, NULL, 0};
#	Line 74 | Line 72 | static dlink_node *eac_next;  /* next ab
72
73		static void check_pings_list(dlink_list *);
74		static void check_unknowns_list(void);
77	–	static void ban_them(struct Client *, struct MaskItem *);
75
76
77	<	/* init_client()
77	>	/* client_init()
78		*
79		* inputs       - NONE
80		* output       - NONE
81		* side effects - initialize client free memory
82		*/
83		void
84	<	init_client(void)
84	>	client_init(void)
85		{
86	<	/* start off the check ping event ..  -- adrian
87	<	* Every 30 seconds is plenty -- db
88	<	*/
89	<	client_heap = BlockHeapCreate("client", sizeof(struct Client), CLIENT_HEAP_SIZE);
90	<	lclient_heap = BlockHeapCreate("local client", sizeof(struct LocalUser), LCLIENT_HEAP_SIZE);
91	<	eventAdd("check_pings", check_pings, NULL, 5);
86	>	static struct event event_ping =
87	>	{
88	>	.name = "check_pings",
89	>	.handler = check_pings,
90	>	.when = 5
91	>	};
92	>
93	>	client_pool = mp_pool_new(sizeof(struct Client), MP_CHUNK_SIZE_CLIENT);
94	>	lclient_pool = mp_pool_new(sizeof(struct LocalUser), MP_CHUNK_SIZE_LCLIENT);
95	>	event_add(&event_ping, NULL);
96		}
97
98		/*
#	Line 112 | Line 113 | init_client(void)
113		struct Client *
114		make_client(struct Client *from)
115		{
116	<	struct Client *client_p = BlockHeapAlloc(client_heap);
116	>	struct Client *client_p = mp_pool_get(client_pool);
117
118	<	if (from == NULL)
118	>	if (!from)
119		{
120		client_p->from                      = client_p; /* 'from' of local client is self! */
121	<	client_p->localClient               = BlockHeapAlloc(lclient_heap);
121	>	client_p->localClient               = mp_pool_get(lclient_pool);
122		client_p->localClient->since        = CurrentTime;
123		client_p->localClient->lasttime     = CurrentTime;
124		client_p->localClient->firsttime    = CurrentTime;
#	Line 131 | Line 132 | make_client(struct Client *from)
132
133		client_p->idhnext = client_p;
134		client_p->hnext  = client_p;
135	<	client_p->status = STAT_UNKNOWN;
135	>	SetUnknown(client_p);
136		strcpy(client_p->username, "unknown");
137		strcpy(client_p->svid, "0");
138
#	Line 148 | Line 149 | make_client(struct Client *from)
149		static void
150		free_client(struct Client *client_p)
151		{
152	<	assert(client_p != NULL);
152	>	assert(client_p);
153		assert(client_p != &me);
154		assert(client_p->hnext == client_p);
155		assert(client_p->idhnext == client_p);
156		assert(client_p->channel.head == NULL);
157		assert(dlink_list_length(&client_p->channel) == 0);
158		assert(dlink_list_length(&client_p->whowas) == 0);
159	<	assert(!IsServer(client_p) || IsServer(client_p) && client_p->serv);
159	>	assert(!IsServer(client_p) || client_p->serv);
160
161		MyFree(client_p->serv);
162	+	MyFree(client_p->certfp);
163
164		if (MyConnect(client_p))
165		{
166		assert(client_p->localClient->invited.head == NULL);
167		assert(dlink_list_length(&client_p->localClient->invited) == 0);
168	<	assert(dlink_list_length(&client_p->localClient->watches) == 0);
168	>	assert(dlink_list_length(&client_p->localClient->watches) == 0);
169		assert(IsClosing(client_p) && IsDead(client_p));
170
171		MyFree(client_p->localClient->response);
#	Line 176 | Line 178 | free_client(struct Client *client_p)
178		{
179		assert(0 < client_p->localClient->listener->ref_count);
180		if (0 == --client_p->localClient->listener->ref_count &&
181	<	!client_p->localClient->listener->active)
181	>	!client_p->localClient->listener->active)
182		free_listener(client_p->localClient->listener);
183		}
184
185		dbuf_clear(&client_p->localClient->buf_recvq);
186		dbuf_clear(&client_p->localClient->buf_sendq);
187
188	<	BlockHeapFree(lclient_heap, client_p->localClient);
188	>	mp_pool_release(client_p->localClient);
189		}
190
191	<	BlockHeapFree(client_heap, client_p);
191	>	mp_pool_release(client_p);
192		}
193
194		/*
#	Line 195 | Line 197 | free_client(struct Client *client_p)
197		*
198		* inputs       - NOT USED (from event)
199		* output       - next time_t when check_pings() should be called again
200	<	* side effects -
200	>	* side effects -
201		*
202		*
203		* A PING can be sent to clients as necessary.
#	Line 217 | Line 219 | free_client(struct Client *client_p)
219
220		static void
221		check_pings(void *notused)
222	<	{
222	>	{
223		check_pings_list(&local_client_list);
224		check_pings_list(&serv_list);
225		check_unknowns_list();
#	Line 227 | Line 229 | check_pings(void *notused)
229		*
230		* inputs       - pointer to list to check
231		* output       - NONE
232	<	* side effects -
232	>	* side effects -
233		*/
234		static void
235		check_pings_list(dlink_list *list)
236		{
237	<	char scratch[32];        /* way too generous but... */
237	>	char scratch[IRCD_BUFSIZE];
238		int ping = 0;      /* ping time value from client */
239		dlink_node *ptr = NULL, *next_ptr = NULL;
240
#	Line 247 | Line 249 | check_pings_list(dlink_list *list)
249		if (IsDead(client_p))
250		{
251		/* Ignore it, its been exited already */
252	<	continue;
252	>	continue;
253		}
254
255		if (!IsRegistered(client_p))
#	Line 259 | Line 261 | check_pings_list(dlink_list *list)
261		{
262		if (!IsPingSent(client_p))
263		{
264	<	/*
265	<	* if we havent PINGed the connection and we havent
266	<	* heard from it in a while, PING it to make sure
267	<	* it is still alive.
268	<	*/
269	<	SetPingSent(client_p);
270	<	client_p->localClient->lasttime = CurrentTime - ping;
271	<	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
264	>	/*
265	>	* if we havent PINGed the connection and we havent
266	>	* heard from it in a while, PING it to make sure
267	>	* it is still alive.
268	>	*/
269	>	SetPingSent(client_p);
270	>	client_p->localClient->lasttime = CurrentTime - ping;
271	>	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
272		}
273		else
274		{
#	Line 277 | Line 279 | check_pings_list(dlink_list *list)
279		* and it has a ping time, then close its connection.
280		*/
281		if (IsServer(client_p) || IsHandshake(client_p))
282	<	{
283	<	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
284	<	"No response from %s, closing link",
285	<	get_client_name(client_p, HIDE_IP));
286	<	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
287	<	"No response from %s, closing link",
288	<	get_client_name(client_p, MASK_IP));
289	<	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
290	<	get_client_name(client_p, HIDE_IP));
291	<	}
282	>	{
283	>	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
284	>	"No response from %s, closing link",
285	>	get_client_name(client_p, HIDE_IP));
286	>	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
287	>	"No response from %s, closing link",
288	>	get_client_name(client_p, MASK_IP));
289	>	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
290	>	get_client_name(client_p, HIDE_IP));
291	>	}
292
293		snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
294		(int)(CurrentTime - client_p->localClient->lasttime));
295	<	exit_client(client_p, &me, scratch);
295	>	exit_client(client_p, scratch);
296		}
297		}
298		}
#	Line 306 | Line 308 | check_pings_list(dlink_list *list)
308		static void
309		check_unknowns_list(void)
310		{
311	<	dlink_node *ptr, *next_ptr;
311	>	dlink_node *ptr = NULL, *ptr_next = NULL;
312
313	<	DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
313	>	DLINK_FOREACH_SAFE(ptr, ptr_next, unknown_list.head)
314		{
315		struct Client *client_p = ptr->data;
316
#	Line 317 | Line 319 | check_unknowns_list(void)
319		* for > 30s, close them.
320		*/
321		if (IsAuthFinished(client_p) && (CurrentTime - client_p->localClient->firsttime) > 30)
322	<	exit_client(client_p, &me, "Registration timed out");
322	>	exit_client(client_p, "Registration timed out");
323		}
324		}
325
#	Line 328 | Line 330 | check_unknowns_list(void)
330		* side effects - Check all connections for a pending kline against the
331		*                client, exit the client if a kline matches.
332		*/
333	<	void
333	>	void
334		check_conf_klines(void)
335	<	{
334	<	struct Client *client_p = NULL;       /* current local client_p being examined */
335	>	{
336		struct MaskItem *conf = NULL;
337	<	dlink_node *ptr, *next_ptr;
337	>	dlink_node *ptr = NULL, *ptr_next = NULL;
338
339	<	DLINK_FOREACH_SAFE(ptr, next_ptr, local_client_list.head)
339	>	DLINK_FOREACH_SAFE(ptr, ptr_next, local_client_list.head)
340		{
341	<	client_p = ptr->data;
341	>	struct Client *client_p = ptr->data;
342
343		/* If a client is already being exited
344		*/
345		if (IsDead(client_p) || !IsClient(client_p))
346		continue;
347
348	<	if ((conf = find_dline_conf(&client_p->localClient->ip,
349	<	client_p->localClient->aftype)) != NULL)
348	>	if ((conf = find_conf_by_address(NULL, &client_p->localClient->ip, CONF_DLINE,
349	>	client_p->localClient->aftype, NULL, NULL, 1)))
350		{
351	<	if (conf->type == CONF_EXEMPT)
351	<	continue;
352	<
353	<	ban_them(client_p, conf);
351	>	conf_try_ban(client_p, conf);
352		continue; /* and go examine next fd/client_p */
353		}
354
355	<	if (ConfigFileEntry.glines && (conf = find_gline(client_p)))
355	>	if (ConfigFileEntry.glines)
356		{
357	<	if (IsExemptKline(client_p) ||
358	<	IsExemptGline(client_p))
357	>	if ((conf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
358	>	CONF_GLINE, client_p->localClient->aftype,
359	>	client_p->username, NULL, 1)))
360		{
361	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
362	<	"GLINE over-ruled for %s, client is %sline_exempt",
364	<	get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
361	>	conf_try_ban(client_p, conf);
362	>	/* and go examine next fd/client_p */
363		continue;
364		}
365	+	}
366
367	<	ban_them(client_p, conf);
368	<	/* and go examine next fd/client_p */
369	<	continue;
371	<	}
372	<
373	<	if ((conf = find_kill(client_p)) != NULL)
367	>	if ((conf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
368	>	CONF_KLINE, client_p->localClient->aftype,
369	>	client_p->username, NULL, 1)))
370		{
371	<	if (IsExemptKline(client_p))
372	<	{
377	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
378	<	"KLINE over-ruled for %s, client is kline_exempt",
379	<	get_client_name(client_p, HIDE_IP));
380	<	continue;
381	<	}
382	<
383	<	ban_them(client_p, conf);
384	<	continue;
371	>	conf_try_ban(client_p, conf);
372	>	continue;
373		}
374
375		if ((conf = find_matching_name_conf(CONF_XLINE,  client_p->info,
376	<	NULL, NULL, 0)) != NULL ||
389	<	(conf = find_matching_name_conf(CONF_RXLINE, client_p->info,
390	<	NULL, NULL, 0)) != NULL)
376	>	NULL, NULL, 0)))
377		{
378	<	ban_them(client_p, conf);
378	>	conf_try_ban(client_p, conf);
379		continue;
380		}
381		}
382
383		/* also check the unknowns list for new dlines */
384	<	DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
384	>	DLINK_FOREACH_SAFE(ptr, ptr_next, unknown_list.head)
385		{
386	<	client_p = ptr->data;
386	>	struct Client *client_p = ptr->data;
387
388	<	if ((conf = find_dline_conf(&client_p->localClient->ip,
389	<	client_p->localClient->aftype)))
388	>	if ((conf = find_conf_by_address(NULL, &client_p->localClient->ip, CONF_DLINE,
389	>	client_p->localClient->aftype, NULL, NULL, 1)))
390		{
391	<	if (conf->type == CONF_EXEMPT)
392	<	continue;
407	<
408	<	exit_client(client_p, &me, "D-lined");
391	>	conf_try_ban(client_p, conf);
392	>	continue; /* and go examine next fd/client_p */
393		}
394		}
395		}
396
397		/*
398	<	* ban_them
398	>	* conf_try_ban
399		*
400		* inputs       - pointer to client to ban
401		*              - pointer to MaskItem
402		* output       - NONE
403		* side effects - given client_p is banned
404		*/
405	<	static void
406	<	ban_them(struct Client *client_p, struct MaskItem *conf)
405	>	void
406	>	conf_try_ban(struct Client *client_p, struct MaskItem *conf)
407		{
408	<	const char *user_reason = NULL;       /* What is sent to user */
408	>	const char *user_reason = NULL;  /* What is sent to user */
409		const char *type_string = NULL;
410		const char dline_string[] = "D-line";
411		const char kline_string[] = "K-line";
#	Line 430 | Line 414 | ban_them(struct Client *client_p, struct
414
415		switch (conf->type)
416		{
433	–	case CONF_RKLINE:
417		case CONF_KLINE:
418	+	if (IsExemptKline(client_p))
419	+	{
420	+	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
421	+	"KLINE over-ruled for %s, client is kline_exempt",
422	+	get_client_name(client_p, HIDE_IP));
423	+	return;
424	+	}
425	+
426		type_string = kline_string;
427		break;
428		case CONF_DLINE:
429	+	if (find_conf_by_address(NULL, &client_p->localClient->ip, CONF_EXEMPT,
430	+	client_p->localClient->aftype, NULL, NULL, 1))
431	+	return;
432		type_string = dline_string;
433		break;
434		case CONF_GLINE:
435	+	if (IsExemptKline(client_p) ||
436	+	IsExemptGline(client_p))
437	+	{
438	+	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
439	+	"GLINE over-ruled for %s, client is %sline_exempt",
440	+	get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
441	+	return;
442	+	}
443	+
444		type_string = gline_string;
445		break;
443	–	case CONF_RXLINE:
446		case CONF_XLINE:
447		type_string = xline_string;
448		++conf->count;
#	Line 456 | Line 458 | ban_them(struct Client *client_p, struct
458		type_string, get_client_name(client_p, HIDE_IP));
459
460		if (IsClient(client_p))
461	<	sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
460	<	me.name, client_p->name, user_reason);
461	>	sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, user_reason);
462
463	<	exit_client(client_p, &me, user_reason);
463	>	exit_client(client_p, user_reason);
464		}
465
466		/* update_client_exit_stats()
467		*
468		* input        - pointer to client
469		* output       - NONE
470	<	* side effects -
470	>	* side effects -
471		*/
472		static void
473		update_client_exit_stats(struct Client *client_p)
#	Line 496 | Line 497 | update_client_exit_stats(struct Client *
497		* side effects - find person by (nick)name
498		*/
499		struct Client *
500	<	find_person(const struct Client *client_p, const char *name)
500	>	find_person(const struct Client *const source_p, const char *name)
501		{
502	<	struct Client *c2ptr = NULL;
502	>	struct Client *target_p = NULL;
503
504		if (IsDigit(*name))
505		{
506	<	if ((c2ptr = hash_find_id(name)) != NULL)
507	<	{
507	<	/* invisible users shall not be found by UID guessing */
508	<	if (HasUMode(c2ptr, UMODE_INVISIBLE))
509	<	if (!IsServer(client_p) && !HasFlag(client_p, FLAGS_SERVICE))
510	<	c2ptr = NULL;
511	<	}
506	>	if (IsServer(source_p->from))
507	>	target_p = hash_find_id(name);
508		}
509		else
510	<	c2ptr = hash_find_client(name);
510	>	target_p = hash_find_client(name);
511
512	<	return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
512	>	return (target_p && IsClient(target_p)) ? target_p : NULL;
513		}
514
515		/*
516	<	* find_chasing - find the client structure for a nick name (user)
517	<	*      using history mechanism if necessary. If the client is not found,
518	<	*      an error message (NO SUCH NICK) is generated. If the client was found
523	<	*      through the history, chasing will be 1 and otherwise 0.
516	>	* find_chasing - find the client structure for a nick name (name)
517	>	*      using history mechanism if necessary. If the client is not found,
518	>	*      an error message (NO SUCH NICK) is generated.
519		*/
520		struct Client *
521	<	find_chasing(struct Client *client_p, struct Client *source_p, const char *user, int *chasing)
521	>	find_chasing(struct Client *source_p, const char *name)
522		{
523	<	struct Client *who = find_person(client_p, user);
529	<
530	<	if (chasing)
531	<	*chasing = 0;
523	>	struct Client *who = find_person(source_p, name);
524
525		if (who)
526		return who;
527
528	<	if (IsDigit(*user))
528	>	if (IsDigit(*name))
529		return NULL;
530
531	<	if ((who = get_history(user,
532	<	(time_t)ConfigFileEntry.kill_chase_time_limit))
533	<	== NULL)
531	>	if ((who = whowas_get_history(name,
532	>	(time_t)ConfigFileEntry.kill_chase_time_limit))
533	>	== NULL)
534		{
535	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
544	<	me.name, source_p->name, user);
535	>	sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name);
536		return NULL;
537		}
538
548	–	if (chasing)
549	–	*chasing = 1;
550	–
539		return who;
540		}
541
#	Line 570 | Line 558 | find_chasing(struct Client *client_p, st
558		*        to modify what it points!!!
559		*/
560		const char *
561	<	get_client_name(const struct Client *client, enum addr_mask_type type)
561	>	get_client_name(const struct Client *client_p, enum addr_mask_type type)
562		{
563		static char nbuf[HOSTLEN * 2 + USERLEN + 5];
564
565	<	assert(client != NULL);
565	>	assert(client_p);
566
567	<	if (!MyConnect(client))
568	<	return client->name;
567	>	if (!MyConnect(client_p))
568	>	return client_p->name;
569
570	<	if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
570	>	if (IsServer(client_p) || IsConnecting(client_p) || IsHandshake(client_p))
571		{
572	<	if (!irccmp(client->name, client->host))
573	<	return client->name;
572	>	if (!irccmp(client_p->name, client_p->host))
573	>	return client_p->name;
574		else if (ConfigServerHide.hide_server_ips)
575		type = MASK_IP;
576		}
577
578		if (ConfigFileEntry.hide_spoof_ips)
579	<	if (type == SHOW_IP && IsIPSpoof(client))
579	>	if (IsIPSpoof(client_p) && type == SHOW_IP)
580		type = MASK_IP;
581
582		/* And finally, let's get the host information, ip or name */
#	Line 596 | Line 584 | get_client_name(const struct Client *cli
584		{
585		case SHOW_IP:
586		snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
587	<	client->name,
588	<	client->username, client->sockhost);
587	>	client_p->name,
588	>	client_p->username, client_p->sockhost);
589		break;
590		case MASK_IP:
591	<	if (client->localClient->aftype == AF_INET)
591	>	if (client_p->localClient->aftype == AF_INET)
592		snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
593	<	client->name, client->username);
593	>	client_p->name, client_p->username);
594		else
595		snprintf(nbuf, sizeof(nbuf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
596	<	client->name, client->username);
596	>	client_p->name, client_p->username);
597		break;
598		default:
599		snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
600	<	client->name,
601	<	client->username, client->host);
600	>	client_p->name,
601	>	client_p->username, client_p->host);
602		}
603
604		return nbuf;
#	Line 620 | Line 608 | void
608		free_exited_clients(void)
609		{
610		dlink_node *ptr = NULL, *next = NULL;
611	<
611	>
612		DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
613		{
614		free_client(ptr->data);
#	Line 638 | Line 626 | free_exited_clients(void)
626		static void
627		exit_one_client(struct Client *source_p, const char *quitmsg)
628		{
629	<	dlink_node *lp = NULL, *next_lp = NULL;
629	>	dlink_node *ptr = NULL, *ptr_next = NULL;
630
631		assert(!IsMe(source_p));
632
633		if (IsClient(source_p))
634		{
635	<	if (source_p->servptr->serv != NULL)
648	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
635	>	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
636
637		/*
638		* If a person is on a channel, send a QUIT notice
#	Line 653 | Line 640 | exit_one_client(struct Client *source_p,
640		* that the client can show the "**signoff" message).
641		* (Note: The notice is to the local clients *only*)
642		*/
643	<	sendto_common_channels_local(source_p, 0, ":%s!%s@%s QUIT :%s",
643	>	sendto_common_channels_local(source_p, 0, 0, ":%s!%s@%s QUIT :%s",
644		source_p->name, source_p->username,
645		source_p->host, quitmsg);
646	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
647	<	remove_user_from_channel(lp->data);
646	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->channel.head)
647	>	remove_user_from_channel(ptr->data);
648
649	<	add_history(source_p, 0);
650	<	off_history(source_p);
649	>	whowas_add_history(source_p, 0);
650	>	whowas_off_history(source_p);
651
652		watch_check_hash(source_p, RPL_LOGOFF);
653
654		if (MyConnect(source_p))
655		{
656		/* Clean up invitefield */
657	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
658	<	del_invite(lp->data, source_p);
657	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->localClient->invited.head)
658	>	del_invite(ptr->data, source_p);
659
660		del_all_accepts(source_p);
661		}
#	Line 677 | Line 664 | exit_one_client(struct Client *source_p,
664		{
665		dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
666
667	<	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
668	<	free_dlink_node(lp);
667	>	if ((ptr = dlinkFindDelete(&global_serv_list, source_p)))
668	>	free_dlink_node(ptr);
669		}
670
671		/* Remove source_p from the client lists */
672	<	if (HasID(source_p))
672	>	if (source_p->id[0])
673		hash_del_id(source_p);
674		if (source_p->name[0])
675		hash_del_client(source_p);
#	Line 690 | Line 677 | exit_one_client(struct Client *source_p,
677		if (IsUserHostIp(source_p))
678		delete_user_host(source_p->username, source_p->host, !MyConnect(source_p));
679
680	<	/* remove from global client list
694	<	* NOTE: source_p->node.next cannot be NULL if the client is added
695	<	*       to global_client_list (there is always &me at its end)
696	<	*/
697	<	if (source_p != NULL && source_p->node.next != NULL)
680	>	if (source_p->node.next)
681		dlinkDelete(&source_p->node, &global_client_list);
682
683		update_client_exit_stats(source_p);
#	Line 707 | Line 690 | exit_one_client(struct Client *source_p,
690		dlinkAdd(source_p, make_dlink_node(), &dead_list);
691		}
692
693	<	/* Recursively send QUITs and SQUITs for source_p and all its dependent clients
711	<	* and servers to those servers that need them.  A server needs the client
712	<	* QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
713	<	* isn't getting the SQUIT because of @#(*&@)# hostmasking.  With TS4, once
714	<	* a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
715	<	* on that one -orabidoo
716	<	*
717	<	* This is now called on each local server -adx
718	<	*/
719	<	static void
720	<	recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
721	<	struct Client *from, struct Client *to, const char *comment,
722	<	const char *splitstr)
723	<	{
724	<	dlink_node *ptr, *next;
725	<	struct Client *target_p;
726	<
727	<	assert(to != source_p);  /* should be already removed from serv_list */
728	<
729	<	/* If this server can handle quit storm (QS) removal
730	<	* of dependents, just send the SQUIT
731	<	*/
732	<	if (!IsCapable(to, CAP_QS))
733	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
734	<	{
735	<	target_p = ptr->data;
736	<	sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
737	<	}
738	<
739	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
740	<	recurse_send_quits(original_source_p, ptr->data, from, to,
741	<	comment, splitstr);
742	<
743	<	if ((source_p == original_source_p && to != from) ||
744	<	!IsCapable(to, CAP_QS))
745	<	{
746	<	/* don't use a prefix here - we have to be 100% sure the message
747	<	* will be accepted without Unknown prefix etc.. */
748	<	sendto_one(to, "SQUIT %s :%s", ID_or_name(source_p, to), comment);
749	<	}
750	<	}
751	<
752	<	/*
693	>	/*
694		* Remove all clients that depend on source_p; assumes all (S)QUITs have
695	<	* already been sent.  we make sure to exit a server's dependent clients
696	<	* and servers before the server itself; exit_one_client takes care of
695	>	* already been sent.  we make sure to exit a server's dependent clients
696	>	* and servers before the server itself; exit_one_client takes care of
697		* actually removing things off llists.   tweaked from +CSr31  -orabidoo
698		*/
699		static void
700		recurse_remove_clients(struct Client *source_p, const char *quitmsg)
701		{
702	<	dlink_node *ptr, *next;
702	>	dlink_node *ptr = NULL, *ptr_next = NULL;
703
704	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
704	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->client_list.head)
705		exit_one_client(ptr->data, quitmsg);
706
707	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
707	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->server_list.head)
708		{
709		recurse_remove_clients(ptr->data, quitmsg);
710		exit_one_client(ptr->data, quitmsg);
#	Line 771 | Line 712 | recurse_remove_clients(struct Client *so
712		}
713
714		/*
774	–	** Remove *everything* that depends on source_p, from all lists, and sending
775	–	** all necessary QUITs and SQUITs.  source_p itself is still on the lists,
776	–	** and its SQUITs have been sent except for the upstream one  -orabidoo
777	–	*/
778	–	static void
779	–	remove_dependents(struct Client *source_p, struct Client *from,
780	–	const char *comment, const char *splitstr)
781	–	{
782	–	dlink_node *ptr = NULL;
783	–
784	–	DLINK_FOREACH(ptr, serv_list.head)
785	–	recurse_send_quits(source_p, source_p, from, ptr->data,
786	–	comment, splitstr);
787	–
788	–	recurse_remove_clients(source_p, splitstr);
789	–	}
790	–
791	–	/*
715		* exit_client - exit a client of any type. Generally, you can use
716		* this on any struct Client, regardless of its state.
717		*
718		* Note, you shouldn't exit remote _users_ without first doing
719		* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message.
720	+	*
721		* However, it is perfectly correct to call exit_client to force a _server_
722		* quit (either local or remote one).
723		*
724	+	*
725		* inputs:       - a client pointer that is going to be exited
801	–	*               - for servers, the second argument is a pointer to who
802	–	*                 is firing the server. This side won't get any generated
803	–	*                 messages. NEVER NULL!
726		* output:       none
727		* side effects: the client is delinked from all lists, disconnected,
728		*               and the rest of IRC network is notified of the exit.
729		*               Client memory is scheduled to be freed
730		*/
731		void
732	<	exit_client(struct Client *source_p, struct Client *from, const char *comment)
732	>	exit_client(struct Client *source_p, const char *comment)
733		{
734		dlink_node *m = NULL;
735
#	Line 824 | Line 746 | exit_client(struct Client *source_p, str
746		if (IsIpHash(source_p))
747		remove_one_ip(&source_p->localClient->ip);
748
749	<	if (source_p->localClient->auth)
828	<	{
829	<	delete_auth(source_p->localClient->auth);
830	<	source_p->localClient->auth = NULL;
831	<	}
749	>	delete_auth(&source_p->localClient->auth);
750
751		/*
752		* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
#	Line 850 | Line 768 | exit_client(struct Client *source_p, str
768		Count.local--;
769
770		if (HasUMode(source_p, UMODE_OPER))
771	<	if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
771	>	if ((m = dlinkFindDelete(&oper_list, source_p)))
772		free_dlink_node(m);
773
774		assert(dlinkFind(&local_client_list, source_p));
775		dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
776
777	<	if (source_p->localClient->list_task != NULL)
778	<	free_list_task(source_p->localClient->list_task, source_p);
777	>	if (source_p->localClient->list_task)
778	>	free_list_task(source_p);
779
780		watch_del_watch_list(source_p);
781		sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
#	Line 865 | Line 783 | exit_client(struct Client *source_p, str
783		source_p->name, source_p->username, source_p->host, comment,
784		ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
785		"255.255.255.255" : source_p->sockhost);
868	–	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
869	–	"CLIEXIT: %s %s %s %s 0 %s",
870	–	source_p->name,
871	–	source_p->username,
872	–	source_p->host,
873	–	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
874	–	"255.255.255.255" : source_p->sockhost,
875	–	comment);
786		ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
787		myctime(source_p->localClient->firsttime), (unsigned int)(on_for / 3600),
788		(unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
#	Line 887 | Line 797 | exit_client(struct Client *source_p, str
797
798		assert(dlinkFind(&serv_list, source_p));
799		dlinkDelete(&source_p->localClient->lclient_node, &serv_list);
890	–	unset_chcap_usage_counts(source_p);
800		}
801
802		if (!IsDead(source_p))
803		{
804		if (IsServer(source_p))
805		{
806	<	/* for them, we are exiting the network */
807	<	sendto_one(source_p, ":%s SQUIT %s :%s",
808	<	ID_or_name(from, source_p), me.name, comment);
806	>	if (!HasFlag(source_p, FLAGS_SQUIT))
807	>	{
808	>	/* for them, we are exiting the network */
809	>	sendto_one(source_p, ":%s SQUIT %s :%s",
810	>	me.id, me.id, comment);
811	>	}
812		}
813
814		sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
815		source_p->host, comment);
816		}
817
906	–	/*
907	–	** Currently only server connections can have
908	–	** depending remote clients here, but it does no
909	–	** harm to check for all local clients. In
910	–	** future some other clients than servers might
911	–	** have remotes too...
912	–	**
913	–	** Close the Client connection first and mark it
914	–	** so that no messages are attempted to send to it.
915	–	** Remember it makes source_p->from == NULL.
916	–	*/
818		close_connection(source_p);
819		}
820	+	else if (IsClient(source_p) && HasFlag(source_p->servptr, FLAGS_EOB))
821	+	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
822	+	"Client exiting at %s: %s (%s@%s) [%s]",
823	+	source_p->servptr->name, source_p->name,
824	+	source_p->username, source_p->host, comment);
825
826		if (IsServer(source_p))
827		{
828	<	char splitstr[HOSTLEN + HOSTLEN + 2];
828	>	char splitstr[HOSTLEN + HOSTLEN + 2] = "";
829
830		/* This shouldn't ever happen */
831	<	assert(source_p->serv != NULL && source_p->servptr != NULL);
831	>	assert(source_p->serv && source_p->servptr);
832
833		if (ConfigServerHide.hide_servers)
834		/*
835	<	* Set netsplit message to "*.net *.split" to still show
835	>	* Set netsplit message to "*.net *.split" to still show
836		* that its a split, but hide the servers splitting
837		*/
838	<	strcpy(splitstr, "*.net *.split");
838	>	strlcpy(splitstr, "*.net *.split", sizeof(splitstr));
839		else
840		snprintf(splitstr, sizeof(splitstr), "%s %s",
841		source_p->servptr->name, source_p->name);
842
843	<	remove_dependents(source_p, from->from, comment, splitstr);
843	>	/* Send SQUIT for source_p in every direction. source_p is already off of serv_list here */
844	>	if (!HasFlag(source_p, FLAGS_SQUIT))
845	>	sendto_server(NULL, NOCAPS, NOCAPS, "SQUIT %s :%s", source_p->id, comment);
846	>
847	>	/* Now exit the clients internally */
848	>	recurse_remove_clients(source_p, splitstr);
849
850	<	if (source_p->servptr == &me)
850	>	if (MyConnect(source_p))
851		{
852		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
853		"%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
#	Line 944 | Line 855 | exit_client(struct Client *source_p, str
855		source_p->localClient->send.bytes >> 10,
856		source_p->localClient->recv.bytes >> 10);
857		ilog(LOG_TYPE_IRCD, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
858	<	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
858	>	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
859		source_p->localClient->send.bytes >> 10,
860		source_p->localClient->recv.bytes >> 10);
861		}
862		}
863		else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
864	<	{
865	<	sendto_server(from->from, CAP_TS6, NOCAPS,
955	<	":%s QUIT :%s", ID(source_p), comment);
956	<	sendto_server(from->from, NOCAPS, CAP_TS6,
957	<	":%s QUIT :%s", source_p->name, comment);
958	<	}
864	>	sendto_server(source_p->from, NOCAPS, NOCAPS, ":%s QUIT :%s",
865	>	source_p->id, comment);
866
867		/* The client *better* be off all of the lists */
868		assert(dlinkFind(&unknown_list, source_p) == NULL);
#	Line 999 | Line 906 | dead_link_on_write(struct Client *client
906		void
907		dead_link_on_read(struct Client *client_p, int error)
908		{
909	<	char errmsg[255];
909	>	char errmsg[IRCD_BUFSIZE];
910		int current_error;
911
912		if (IsDefunct(client_p))
#	Line 1013 | Line 920 | dead_link_on_read(struct Client *client_
920		if (IsServer(client_p) || IsHandshake(client_p))
921		{
922		int connected = CurrentTime - client_p->localClient->firsttime;
923	<
923	>
924		if (error == 0)
925		{
926		/* Admins get the real IP */
927		sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
928	<	"Server %s closed the connection",
929	<	get_client_name(client_p, SHOW_IP));
928	>	"Server %s closed the connection",
929	>	get_client_name(client_p, SHOW_IP));
930
931		/* Opers get a masked IP */
932		sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
933	<	"Server %s closed the connection",
934	<	get_client_name(client_p, MASK_IP));
933	>	"Server %s closed the connection",
934	>	get_client_name(client_p, MASK_IP));
935
936		ilog(LOG_TYPE_IRCD, "Server %s closed the connection",
937	<	get_client_name(client_p, SHOW_IP));
937	>	get_client_name(client_p, SHOW_IP));
938		}
939		else
940		{
941		report_error(L_ADMIN, "Lost connection to %s: %s",
942	<	get_client_name(client_p, SHOW_IP), current_error);
942	>	get_client_name(client_p, SHOW_IP), current_error);
943		report_error(L_OPER, "Lost connection to %s: %s",
944	<	get_client_name(client_p, MASK_IP), current_error);
944	>	get_client_name(client_p, MASK_IP), current_error);
945		}
946
947		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
948	<	"%s had been connected for %d day%s, %2d:%02d:%02d",
949	<	client_p->name, connected/86400,
950	<	(connected/86400 == 1) ? "" : "s",
951	<	(connected % 86400) / 3600, (connected % 3600) / 60,
952	<	connected % 60);
948	>	"%s had been connected for %d day%s, %2d:%02d:%02d",
949	>	client_p->name, connected/86400,
950	>	(connected/86400 == 1) ? "" : "s",
951	>	(connected % 86400) / 3600, (connected % 3600) / 60,
952	>	connected % 60);
953		}
954
955		if (error == 0)
#	Line 1052 | Line 959 | dead_link_on_read(struct Client *client_
959		snprintf(errmsg, sizeof(errmsg), "Read error: %s",
960		strerror(current_error));
961
962	<	exit_client(client_p, &me, errmsg);
962	>	exit_client(client_p, errmsg);
963		}
964
965		void
#	Line 1083 | Line 990 | exit_aborted_clients(void)
990		else
991		notice = "Write error: connection closed";
992
993	<	exit_client(target_p, &me, notice);
993	>	exit_client(target_p, notice);
994		free_dlink_node(ptr);
995		}
996		}
#	Line 1111 | Line 1018 | del_accept(struct split_nuh_item *accept
1018
1019		struct split_nuh_item *
1020		find_accept(const char *nick, const char *user,
1021	<	const char *host, struct Client *client_p, int do_match)
1021	>	const char *host, struct Client *client_p,
1022	>	int (*cmpfunc)(const char *, const char *))
1023		{
1024		dlink_node *ptr = NULL;
1117	–	/* XXX We wouldn't need that if match() would return 0 on match */
1118	–	int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
1025
1026		DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
1027		{
1028		struct split_nuh_item *accept_p = ptr->data;
1029
1030	<	if (cmpfunc(accept_p->nickptr, nick) == do_match &&
1031	<	cmpfunc(accept_p->userptr, user) == do_match &&
1032	<	cmpfunc(accept_p->hostptr, host) == do_match)
1030	>	if (!cmpfunc(accept_p->nickptr, nick) &&
1031	>	!cmpfunc(accept_p->userptr, user) &&
1032	>	!cmpfunc(accept_p->hostptr, host))
1033		return accept_p;
1034		}
1035
#	Line 1144 | Line 1050 | accept_message(struct Client *source,
1050		dlink_node *ptr = NULL;
1051
1052		if (source == target || find_accept(source->name, source->username,
1053	<	source->host, target, 1))
1053	>	source->host, target, match))
1054		return 1;
1055
1056		if (HasUMode(target, UMODE_SOFTCALLERID))
#	Line 1164 | Line 1070 | accept_message(struct Client *source,
1070		void
1071		del_all_accepts(struct Client *client_p)
1072		{
1073	<	dlink_node *ptr = NULL, *next_ptr = NULL;
1073	>	dlink_node *ptr = NULL, *ptr_next = NULL;
1074
1075	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1075	>	DLINK_FOREACH_SAFE(ptr, ptr_next, client_p->localClient->acceptlist.head)
1076		del_accept(ptr->data, client_p);
1077		}
1078	+
1079	+	unsigned int
1080	+	idle_time_get(const struct Client *source_p, const struct Client *target_p)
1081	+	{
1082	+	unsigned int idle = 0;
1083	+	unsigned int min_idle = 0;
1084	+	unsigned int max_idle = 0;
1085	+	const struct ClassItem *class = get_class_ptr(&target_p->localClient->confs);
1086	+
1087	+	if (!(class->flags & CLASS_FLAGS_FAKE_IDLE) || target_p == source_p)
1088	+	return CurrentTime - target_p->localClient->last_privmsg;
1089	+	if (HasUMode(source_p, UMODE_OPER) &&
1090	+	!(class->flags & CLASS_FLAGS_HIDE_IDLE_FROM_OPERS))
1091	+	return CurrentTime - target_p->localClient->last_privmsg;
1092	+
1093	+	min_idle = class->min_idle;
1094	+	max_idle = class->max_idle;
1095	+
1096	+	if (min_idle == max_idle)
1097	+	return min_idle;
1098	+
1099	+	if (class->flags & CLASS_FLAGS_RANDOM_IDLE)
1100	+	idle = genrand_int32();
1101	+	else
1102	+	idle = CurrentTime - target_p->localClient->last_privmsg;
1103	+
1104	+	if (!max_idle)
1105	+	idle = 0;
1106	+	else
1107	+	idle %= max_idle;
1108	+
1109	+	if (idle < min_idle)
1110	+	idle = min_idle + (idle % (max_idle - min_idle));
1111	+
1112	+	return idle;
1113	+	}

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