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

Comparing:
ircd-hybrid-8/src/client.c (file contents), Revision 1247 by michael, Sat Oct 1 07:54:24 2011 UTC vs.
ircd-hybrid/trunk/src/client.c (file contents), Revision 7345 by michael, Sun Feb 21 11:27:31 2016 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) 1997-2016 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 16 | Line 15
15		*
16		*  You should have received a copy of the GNU General Public License
17		*  along with this program; if not, write to the Free Software
18	<	*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18	>	*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file client.c
23	>	* \brief Controls clients.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
28		#include "list.h"
29		#include "client.h"
28	–	#include "channel_mode.h"
30		#include "event.h"
30	–	#include "fdlist.h"
31		#include "hash.h"
32		#include "irc_string.h"
33		#include "ircd.h"
34	–	#include "s_gline.h"
34		#include "numeric.h"
35	<	#include "packet.h"
37	<	#include "s_auth.h"
35	>	#include "auth.h"
36		#include "s_bsd.h"
37	<	#include "s_conf.h"
38	<	#include "s_log.h"
39	<	#include "s_misc.h"
40	<	#include "s_serv.h"
37	>	#include "conf.h"
38	>	#include "conf_gecos.h"
39	>	#include "log.h"
40	>	#include "misc.h"
41	>	#include "server.h"
42		#include "send.h"
43		#include "whowas.h"
44	<	#include "s_user.h"
46	<	#include "dbuf.h"
44	>	#include "user.h"
45		#include "memory.h"
46	+	#include "mempool.h"
47		#include "hostmask.h"
49	–	#include "balloc.h"
48		#include "listener.h"
51	–	#include "irc_res.h"
49		#include "userhost.h"
50		#include "watch.h"
51	+	#include "rng_mt.h"
52	+	#include "parse.h"
53	+	#include "ipcache.h"
54
55	–	dlink_list listing_client_list = { NULL, NULL, 0 };
56	–	/* Pointer to beginning of Client list */
57	–	dlink_list global_client_list = {NULL, NULL, 0};
58	–	/* unknown/client pointer lists */
59	–	dlink_list unknown_list = {NULL, NULL, 0};
60	–	dlink_list local_client_list = {NULL, NULL, 0};
61	–	dlink_list serv_list = {NULL, NULL, 0};
62	–	dlink_list global_serv_list = {NULL, NULL, 0};
63	–	dlink_list oper_list = {NULL, NULL, 0};
64	–
65	–	static EVH check_pings;
55
56	<	static BlockHeap *client_heap  = NULL;
57	<	static BlockHeap *lclient_heap = NULL;
58	<
59	<	static dlink_list dead_list  = { NULL, NULL, 0};
60	<	static dlink_list abort_list = { NULL, NULL, 0};
56	>	dlink_list listing_client_list;
57	>	dlink_list unknown_list;
58	>	dlink_list local_client_list;
59	>	dlink_list local_server_list;
60	>	dlink_list global_client_list;
61	>	dlink_list global_server_list;
62	>	dlink_list oper_list;
63
64	+	static mp_pool_t *client_pool, *connection_pool;
65	+	static dlink_list dead_list, abort_list;
66		static dlink_node *eac_next;  /* next aborted client to exit */
67
75	–	static void check_pings_list(dlink_list *);
76	–	static void check_unknowns_list(void);
77	–	static void ban_them(struct Client *, struct ConfItem *);
78	–
79	–
80	–	/* init_client()
81	–	*
82	–	* inputs       - NONE
83	–	* output       - NONE
84	–	* side effects - initialize client free memory
85	–	*/
86	–	void
87	–	init_client(void)
88	–	{
89	–	/* start off the check ping event ..  -- adrian
90	–	* Every 30 seconds is plenty -- db
91	–	*/
92	–	client_heap = BlockHeapCreate("client", sizeof(struct Client), CLIENT_HEAP_SIZE);
93	–	lclient_heap = BlockHeapCreate("local client", sizeof(struct LocalUser), LCLIENT_HEAP_SIZE);
94	–	eventAdd("check_pings", check_pings, NULL, 5);
95	–	}
68
69		/*
70		* make_client - create a new Client struct and set it to initial state.
#	Line 112 | Line 84 | init_client(void)
84		struct Client *
85		make_client(struct Client *from)
86		{
87	<	struct Client *client_p = BlockHeapAlloc(client_heap);
87	>	struct Client *const client_p = mp_pool_get(client_pool);
88
89	<	if (from == NULL)
89	>	if (!from)
90		{
91	<	client_p->from                      = client_p; /* 'from' of local client is self! */
92	<	client_p->localClient               = BlockHeapAlloc(lclient_heap);
93	<	client_p->localClient->since        = CurrentTime;
94	<	client_p->localClient->lasttime     = CurrentTime;
95	<	client_p->localClient->firsttime    = CurrentTime;
96	<	client_p->localClient->registration = REG_INIT;
91	>	client_p->from = client_p;  /* 'from' of local client is self! */
92	>	client_p->connection = mp_pool_get(connection_pool);
93	>	client_p->connection->since = CurrentTime;
94	>	client_p->connection->lasttime = CurrentTime;
95	>	client_p->connection->firsttime = CurrentTime;
96	>	client_p->connection->registration = REG_INIT;
97
98		/* as good a place as any... */
99	<	dlinkAdd(client_p, &client_p->localClient->lclient_node, &unknown_list);
99	>	dlinkAdd(client_p, &client_p->connection->lclient_node, &unknown_list);
100		}
101		else
102	<	client_p->from = from; /* 'from' of local client is self! */
102	>	client_p->from = from;
103
104	<	client_p->hnext  = client_p;
105	<	client_p->status = STAT_UNKNOWN;
104	>	client_p->idhnext = client_p;
105	>	client_p->hnext = client_p;
106	>	SetUnknown(client_p);
107		strcpy(client_p->username, "unknown");
108	+	strcpy(client_p->account, "*");
109
110		return client_p;
111		}
#	Line 146 | Line 120 | make_client(struct Client *from)
120		static void
121		free_client(struct Client *client_p)
122		{
149	–	assert(client_p != NULL);
123		assert(client_p != &me);
124		assert(client_p->hnext == client_p);
125	+	assert(client_p->idhnext == client_p);
126		assert(client_p->channel.head == NULL);
127		assert(dlink_list_length(&client_p->channel) == 0);
128	+	assert(dlink_list_length(&client_p->whowas) == 0);
129	+	assert(dlink_list_length(&client_p->svstags) == 0);
130
131	<	MyFree(client_p->away);
132	<	MyFree(client_p->serv);
131	>	xfree(client_p->serv);
132	>	xfree(client_p->certfp);
133
134		if (MyConnect(client_p))
135		{
136	<	assert(client_p->localClient->invited.head == NULL);
137	<	assert(dlink_list_length(&client_p->localClient->invited) == 0);
138	<	assert(IsClosing(client_p) && IsDead(client_p));
139	<
164	<	MyFree(client_p->localClient->response);
165	<	MyFree(client_p->localClient->auth_oper);
136	>	assert(client_p->connection->invited.head == NULL);
137	>	assert(dlink_list_length(&client_p->connection->invited) == 0);
138	>	assert(dlink_list_length(&client_p->connection->watches) == 0);
139	>	assert(HasFlag(client_p, FLAGS_CLOSING) && IsDead(client_p));
140
141		/*
142	<	* clean up extra sockets from P-lines which have been discarded.
142	>	* Clean up extra sockets from listen {} blocks which have been discarded.
143		*/
144	<	if (client_p->localClient->listener)
144	>	if (client_p->connection->listener)
145		{
146	<	assert(0 < client_p->localClient->listener->ref_count);
147	<	if (0 == --client_p->localClient->listener->ref_count &&
174	<	!client_p->localClient->listener->active)
175	<	free_listener(client_p->localClient->listener);
146	>	listener_release(client_p->connection->listener);
147	>	client_p->connection->listener = NULL;
148		}
149
150	<	dbuf_clear(&client_p->localClient->buf_recvq);
151	<	dbuf_clear(&client_p->localClient->buf_sendq);
150	>	dbuf_clear(&client_p->connection->buf_recvq);
151	>	dbuf_clear(&client_p->connection->buf_sendq);
152
153	<	BlockHeapFree(lclient_heap, client_p->localClient);
153	>	mp_pool_release(client_p->connection);
154		}
155
156	<	BlockHeapFree(client_heap, client_p);
156	>	mp_pool_release(client_p);
157		}
158
159	<	/*
160	<	* check_pings - go through the local client list and check activity
161	<	* kill off stuff that should die
162	<	*
163	<	* inputs       - NOT USED (from event)
192	<	* output       - next time_t when check_pings() should be called again
193	<	* side effects -
194	<	*
195	<	*
196	<	* A PING can be sent to clients as necessary.
197	<	*
198	<	* Client/Server ping outs are handled.
199	<	*/
159	>	void
160	>	client_attach_svstag(struct Client *client_p, unsigned int numeric,
161	>	const char *umodes, const char *tag)
162	>	{
163	>	const struct user_modes *tab = NULL;
164
165	<	/*
166	<	* Addon from adrian. We used to call this after nextping seconds,
203	<	* however I've changed it to run once a second. This is only for
204	<	* PING timeouts, not K/etc-line checks (thanks dianora!). Having it
205	<	* run once a second makes life a lot easier - when a new client connects
206	<	* and they need a ping in 4 seconds, if nextping was set to 20 seconds
207	<	* we end up waiting 20 seconds. This is stupid. :-)
208	<	* I will optimise (hah!) check_pings() once I've finished working on
209	<	* tidying up other network IO evilnesses.
210	<	*     -- adrian
211	<	*/
165	>	if (numeric >= ERR_LAST_ERR_MSG || *umodes != '+')
166	>	return;
167
168	<	static void
169	<	check_pings(void *notused)
170	<	{
171	<	check_pings_list(&local_client_list);
172	<	check_pings_list(&serv_list);
173	<	check_unknowns_list();
168	>	struct ServicesTag *svstag = xcalloc(sizeof(*svstag));
169	>	svstag->numeric = numeric;
170	>	svstag->tag = xstrdup(tag);
171	>
172	>	for (const char *m = umodes + 1; *m; ++m)
173	>	if ((tab = umode_map[(unsigned char)*m]))
174	>	svstag->umodes |= tab->flag;
175	>
176	>	if (numeric != RPL_WHOISOPERATOR)
177	>	dlinkAddTail(svstag, &svstag->node, &client_p->svstags);
178	>	else
179	>	dlinkAdd(svstag, &svstag->node, &client_p->svstags);
180	>	}
181	>
182	>	void
183	>	client_clear_svstags(struct Client *client_p)
184	>	{
185	>	while (client_p->svstags.head)
186	>	{
187	>	struct ServicesTag *svstag = client_p->svstags.head->data;
188	>
189	>	dlinkDelete(&svstag->node, &client_p->svstags);
190	>	xfree(svstag->tag);
191	>	xfree(svstag);
192	>	}
193		}
194
195		/* check_pings_list()
196		*
197		* inputs       - pointer to list to check
198		* output       - NONE
199	<	* side effects -
199	>	* side effects -
200		*/
201		static void
202		check_pings_list(dlink_list *list)
203		{
204	<	char scratch[32];        /* way too generous but... */
205	<	struct Client *client_p; /* current local client_p being examined */
206	<	int ping, pingwarn;      /* ping time value from client */
233	<	dlink_node *ptr, *next_ptr;
204	>	char buf[32] = "";  /* 32 = sizeof("Ping timeout: 999999999 seconds") */
205	>	unsigned int ping = 0;      /* ping time value from client */
206	>	dlink_node *node = NULL, *node_next = NULL;
207
208	<	DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
208	>	DLINK_FOREACH_SAFE(node, node_next, list->head)
209		{
210	<	client_p = ptr->data;
210	>	struct Client *client_p = node->data;
211
239	–	/*
240	–	** Note: No need to notify opers here. It's
241	–	** already done when "FLAGS_DEADSOCKET" is set.
242	–	*/
212		if (IsDead(client_p))
213	<	{
245	<	/* Ignore it, its been exited already */
246	<	continue;
247	<	}
213	>	continue;  /* Ignore it, its been exited already */
214
215	<	if (client_p->localClient->reject_delay > 0)
216	<	{
251	<	if (client_p->localClient->reject_delay <= CurrentTime)
252	<	exit_client(client_p, &me, "Rejected");
253	<	continue;
254	<	}
255	<
256	<	if (!IsRegistered(client_p))
257	<	ping = CONNECTTIMEOUT, pingwarn = 0;
215	>	if (IsClient(client_p) || IsServer(client_p))
216	>	ping = get_client_ping(&client_p->connection->confs);
217		else
218	<	ping = get_client_ping(client_p, &pingwarn);
218	>	ping = CONNECTTIMEOUT;
219
220	<	if (ping < CurrentTime - client_p->localClient->lasttime)
220	>	if (ping < CurrentTime - client_p->connection->lasttime)
221		{
222	<	if (!IsPingSent(client_p))
222	>	if (!HasFlag(client_p, FLAGS_PINGSENT))
223		{
224	<	/*
225	<	* if we havent PINGed the connection and we havent
226	<	* heard from it in a while, PING it to make sure
227	<	* it is still alive.
228	<	*/
229	<	SetPingSent(client_p);
230	<	ClearPingWarning(client_p);
231	<	client_p->localClient->lasttime = CurrentTime - ping;
273	<	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
224	>	/*
225	>	* If we haven't PINGed the connection and we haven't
226	>	* heard from it in a while, PING it to make sure
227	>	* it is still alive.
228	>	*/
229	>	AddFlag(client_p, FLAGS_PINGSENT);
230	>	client_p->connection->lasttime = CurrentTime - ping;
231	>	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
232		}
233		else
234		{
235	<	if (CurrentTime - client_p->localClient->lasttime >= 2 * ping)
235	>	if (CurrentTime - client_p->connection->lasttime >= 2 * ping)
236		{
237		/*
238		* If the client/server hasn't talked to us in 2*ping seconds
239		* and it has a ping time, then close its connection.
240		*/
241		if (IsServer(client_p) || IsHandshake(client_p))
242	<	{
243	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
244	<	"No response from %s, closing link",
245	<	get_client_name(client_p, HIDE_IP));
246	<	sendto_realops_flags(UMODE_ALL, L_OPER,
247	<	"No response from %s, closing link",
248	<	get_client_name(client_p, MASK_IP));
249	<	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
250	<	get_client_name(client_p, HIDE_IP));
251	<	}
252	<
253	<	snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
254	<	(int)(CurrentTime - client_p->localClient->lasttime));
255	<	exit_client(client_p, &me, scratch);
298	<	}
299	<	else if (!IsPingWarning(client_p) && pingwarn > 0 &&
300	<	(IsServer(client_p) || IsHandshake(client_p)) &&
301	<	CurrentTime - client_p->localClient->lasttime >= ping + pingwarn)
302	<	{
303	<	/*
304	<	* If the server hasn't replied in pingwarn seconds after sending
305	<	* the PING, notify the opers so that they are aware of the problem.
306	<	*/
307	<	SetPingWarning(client_p);
308	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
309	<	"Warning, no response from %s in %d seconds",
310	<	get_client_name(client_p, HIDE_IP), pingwarn);
311	<	sendto_realops_flags(UMODE_ALL, L_OPER,
312	<	"Warning, no response from %s in %d seconds",
313	<	get_client_name(client_p, MASK_IP), pingwarn);
314	<	ilog(LOG_TYPE_IRCD, "No response from %s in %d seconds",
315	<	get_client_name(client_p, HIDE_IP), pingwarn);
242	>	{
243	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
244	>	"No response from %s, closing link",
245	>	get_client_name(client_p, SHOW_IP));
246	>	sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
247	>	"No response from %s, closing link",
248	>	get_client_name(client_p, MASK_IP));
249	>	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
250	>	get_client_name(client_p, SHOW_IP));
251	>	}
252	>
253	>	snprintf(buf, sizeof(buf), "Ping timeout: %ji seconds",
254	>	(CurrentTime - client_p->connection->lasttime));
255	>	exit_client(client_p, buf);
256		}
257		}
258		}
#	Line 328 | Line 268 | check_pings_list(dlink_list *list)
268		static void
269		check_unknowns_list(void)
270		{
271	<	dlink_node *ptr, *next_ptr;
271	>	dlink_node *node = NULL, *node_next = NULL;
272
273	<	DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
273	>	DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
274		{
275	<	struct Client *client_p = ptr->data;
336	<
337	<	if (client_p->localClient->reject_delay > 0)
338	<	{
339	<	if (client_p->localClient->reject_delay <= CurrentTime)
340	<	exit_client(client_p, &me, "Rejected");
341	<	continue;
342	<	}
275	>	struct Client *client_p = node->data;
276
277		/*
278		* Check UNKNOWN connections - if they have been in this state
279		* for > 30s, close them.
280		*/
281	<	if (IsAuthFinished(client_p) && (CurrentTime - client_p->localClient->firsttime) > 30)
282	<	exit_client(client_p, &me, "Registration timed out");
281	>	if (HasFlag(client_p, FLAGS_FINISHED_AUTH) && (CurrentTime - client_p->connection->firsttime) > 30)
282	>	exit_client(client_p, "Registration timed out");
283		}
284		}
285
286	+	/*
287	+	* check_pings - go through the local client list and check activity
288	+	* kill off stuff that should die
289	+	*
290	+	* inputs       - NOT USED (from event)
291	+	* side effects -
292	+	*
293	+	*
294	+	* A PING can be sent to clients as necessary.
295	+	*
296	+	* Client/Server ping outs are handled.
297	+	*/
298	+
299	+	/*
300	+	* Addon from adrian. We used to call this after nextping seconds,
301	+	* however I've changed it to run once a second. This is only for
302	+	* PING timeouts, not K/etc-line checks (thanks dianora!). Having it
303	+	* run once a second makes life a lot easier - when a new client connects
304	+	* and they need a ping in 4 seconds, if nextping was set to 20 seconds
305	+	* we end up waiting 20 seconds. This is stupid. :-)
306	+	* I will optimise (hah!) check_pings() once I've finished working on
307	+	* tidying up other network IO evilnesses.
308	+	*     -- adrian
309	+	*/
310	+
311	+	static void
312	+	check_pings(void *unused)
313	+	{
314	+	check_pings_list(&local_client_list);
315	+	check_pings_list(&local_server_list);
316	+	check_unknowns_list();
317	+	}
318	+
319		/* check_conf_klines()
320		*
321		* inputs       - NONE
#	Line 357 | Line 323 | check_unknowns_list(void)
323		* side effects - Check all connections for a pending kline against the
324		*                client, exit the client if a kline matches.
325		*/
326	<	void
326	>	void
327		check_conf_klines(void)
328	<	{
329	<	struct Client *client_p = NULL;       /* current local client_p being examined */
330	<	struct AccessItem *aconf = NULL;
365	<	struct ConfItem *conf = NULL;
366	<	dlink_node *ptr, *next_ptr;
328	>	{
329	>	dlink_node *node = NULL, *node_next = NULL;
330	>	void *ptr;
331
332	<	DLINK_FOREACH_SAFE(ptr, next_ptr, local_client_list.head)
332	>	DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
333		{
334	<	client_p = ptr->data;
334	>	struct Client *client_p = node->data;
335
336	<	/* If a client is already being exited
337	<	*/
374	<	if (IsDead(client_p) || !IsClient(client_p))
336	>	/* If a client is already being exited */
337	>	if (IsDead(client_p))
338		continue;
339
340	<	/* if there is a returned struct ConfItem then kill it */
341	<	if ((aconf = find_dline_conf(&client_p->localClient->ip,
379	<	client_p->localClient->aftype)) != NULL)
340	>	if ((ptr = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE,
341	>	client_p->connection->aftype, NULL, NULL, 1)))
342		{
343	<	if (aconf->status & CONF_EXEMPTDLINE)
344	<	continue;
345	<
384	<	conf = unmap_conf_item(aconf);
385	<	ban_them(client_p, conf);
386	<	continue; /* and go examine next fd/client_p */
343	>	const struct MaskItem *conf = ptr;
344	>	conf_try_ban(client_p, CLIENT_BAN_DLINE, conf->reason);
345	>	continue;  /* and go examine next Client */
346		}
347
348	<	if (ConfigFileEntry.glines && (aconf = find_gline(client_p)))
349	<	{
350	<	if (IsExemptKline(client_p) ||
392	<	IsExemptGline(client_p))
393	<	{
394	<	sendto_realops_flags(UMODE_ALL, L_ALL,
395	<	"GLINE over-ruled for %s, client is %sline_exempt",
396	<	get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
397	<	continue;
398	<	}
399	<
400	<	conf = unmap_conf_item(aconf);
401	<	ban_them(client_p, conf);
402	<	/* and go examine next fd/client_p */
403	<	continue;
404	<	}
405	<
406	<	if ((aconf = find_kill(client_p)) != NULL)
348	>	if ((ptr = find_conf_by_address(client_p->host, &client_p->connection->ip,
349	>	CONF_KLINE, client_p->connection->aftype,
350	>	client_p->username, NULL, 1)))
351		{
352	<
353	<	/* if there is a returned struct AccessItem.. then kill it */
354	<	if (IsExemptKline(client_p))
411	<	{
412	<	sendto_realops_flags(UMODE_ALL, L_ALL,
413	<	"KLINE over-ruled for %s, client is kline_exempt",
414	<	get_client_name(client_p, HIDE_IP));
415	<	continue;
416	<	}
417	<
418	<	conf = unmap_conf_item(aconf);
419	<	ban_them(client_p, conf);
420	<	continue;
352	>	const struct MaskItem *conf = ptr;
353	>	conf_try_ban(client_p, CLIENT_BAN_KLINE, conf->reason);
354	>	continue;  /* and go examine next Client */
355		}
356
357	<	/* if there is a returned struct MatchItem then kill it */
424	<	if ((conf = find_matching_name_conf(XLINE_TYPE,  client_p->info,
425	<	NULL, NULL, 0)) != NULL ||
426	<	(conf = find_matching_name_conf(RXLINE_TYPE, client_p->info,
427	<	NULL, NULL, 0)) != NULL)
357	>	if ((ptr = gecos_find(client_p->info, match)))
358		{
359	<	ban_them(client_p, conf);
360	<	continue;
359	>	const struct GecosItem *conf = ptr;
360	>	conf_try_ban(client_p, CLIENT_BAN_XLINE, conf->reason);
361	>	continue;  /* and go examine next Client */
362		}
363		}
364
365	<	/* also check the unknowns list for new dlines */
366	<	DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
365	>	/* Also check the unknowns list for new dlines */
366	>	DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
367		{
368	<	client_p = ptr->data;
368	>	struct Client *client_p = node->data;
369
370	<	if ((aconf = find_dline_conf(&client_p->localClient->ip,
371	<	client_p->localClient->aftype)))
370	>	if ((ptr = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE,
371	>	client_p->connection->aftype, NULL, NULL, 1)))
372		{
373	<	if (aconf->status & CONF_EXEMPTDLINE)
374	<	continue;
375	<
445	<	exit_client(client_p, &me, "D-lined");
373	>	const struct MaskItem *conf = ptr;
374	>	conf_try_ban(client_p, CLIENT_BAN_DLINE, conf->reason);
375	>	continue;  /* and go examine next Client */
376		}
377		}
378		}
379
380		/*
381	<	* ban_them
381	>	* conf_try_ban
382		*
383		* inputs       - pointer to client to ban
384	<	*              - pointer to ConfItem
384	>	*              - pointer to MaskItem
385		* output       - NONE
386		* side effects - given client_p is banned
387		*/
388	<	static void
389	<	ban_them(struct Client *client_p, struct ConfItem *conf)
388	>	void
389	>	conf_try_ban(struct Client *client_p, int type, const char *reason)
390		{
391	<	const char *user_reason = NULL;       /* What is sent to user */
392	<	const char *channel_reason = NULL;    /* What is sent to channel */
393	<	struct AccessItem *aconf = NULL;
394	<	struct MatchItem *xconf = NULL;
395	<	const char *type_string = NULL;
396	<	const char dline_string[] = "D-line";
397	<	const char kline_string[] = "K-line";
398	<	const char gline_string[] = "G-line";
399	<	const char xline_string[] = "X-line";
400	<
401	<	switch (conf->type)
402	<	{
403	<	case RKLINE_TYPE:
404	<	case KLINE_TYPE:
475	<	type_string = kline_string;
476	<	aconf = map_to_conf(conf);
477	<	break;
478	<	case DLINE_TYPE:
479	<	type_string = dline_string;
480	<	aconf = map_to_conf(conf);
391	>	char ban_type = '?';
392	>
393	>	switch (type)
394	>	{
395	>	case CLIENT_BAN_KLINE:
396	>	if (HasFlag(client_p, FLAGS_EXEMPTKLINE))
397	>	{
398	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
399	>	"KLINE over-ruled for %s, client is kline_exempt",
400	>	get_client_name(client_p, HIDE_IP));
401	>	return;
402	>	}
403	>
404	>	ban_type = 'K';
405		break;
406	<	case GLINE_TYPE:
407	<	type_string = gline_string;
408	<	aconf = map_to_conf(conf);
406	>	case CLIENT_BAN_DLINE:
407	>	if (find_conf_by_address(NULL, &client_p->connection->ip, CONF_EXEMPT,
408	>	client_p->connection->aftype, NULL, NULL, 1))
409	>	return;
410	>	ban_type = 'D';
411		break;
412	<	case RXLINE_TYPE:
413	<	case XLINE_TYPE:
414	<	type_string = xline_string;
415	<	xconf = map_to_conf(conf);
416	<	++xconf->count;
412	>	case CLIENT_BAN_XLINE:
413	>	if (HasFlag(client_p, FLAGS_EXEMPTXLINE))
414	>	{
415	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
416	>	"XLINE over-ruled for %s, client is xline_exempt",
417	>	get_client_name(client_p, HIDE_IP));
418	>	return;
419	>	}
420	>
421	>	ban_type = 'X';
422		break;
423		default:
424		assert(0);
425		break;
426		}
427
428	<	if (ConfigFileEntry.kline_with_reason)
429	<	{
499	<	if (aconf != NULL)
500	<	user_reason = aconf->reason ? aconf->reason : type_string;
501	<	if (xconf != NULL)
502	<	user_reason = xconf->reason ? xconf->reason : type_string;
503	<	}
504	<	else
505	<	user_reason = type_string;
506	<
507	<	if (ConfigFileEntry.kline_reason != NULL)
508	<	channel_reason = ConfigFileEntry.kline_reason;
509	<	else
510	<	channel_reason = user_reason;
511	<
512	<	sendto_realops_flags(UMODE_ALL, L_ALL, "%s active for %s",
513	<	type_string, get_client_name(client_p, HIDE_IP));
428	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "%c-line active for %s",
429	>	ban_type, get_client_name(client_p, HIDE_IP));
430
431		if (IsClient(client_p))
432	<	sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
517	<	me.name, client_p->name, user_reason);
432	>	sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, reason);
433
434	<	exit_client(client_p, &me, channel_reason);
434	>	exit_client(client_p, reason);
435		}
436
437		/* update_client_exit_stats()
438		*
439		* input        - pointer to client
440		* output       - NONE
441	<	* side effects -
441	>	* side effects -
442		*/
443		static void
444		update_client_exit_stats(struct Client *client_p)
#	Line 531 | Line 446 | update_client_exit_stats(struct Client *
446		if (IsClient(client_p))
447		{
448		assert(Count.total > 0);
449	+
450		--Count.total;
451		if (HasUMode(client_p, UMODE_OPER))
452		--Count.oper;
#	Line 538 | Line 454 | update_client_exit_stats(struct Client *
454		--Count.invisi;
455		}
456		else if (IsServer(client_p))
457	<	sendto_realops_flags(UMODE_EXTERNAL, L_ALL, "Server %s split from %s",
457	>	sendto_realops_flags(UMODE_EXTERNAL, L_ALL, SEND_NOTICE,
458	>	"Server %s split from %s",
459		client_p->name, client_p->servptr->name);
543	–
544	–	if (splitchecking && !splitmode)
545	–	check_splitmode(NULL);
460		}
461
462		/* find_person()
#	Line 551 | Line 465 | update_client_exit_stats(struct Client *
465		* output       - return client pointer
466		* side effects - find person by (nick)name
467		*/
554	–	/* XXX - ugly wrapper */
468		struct Client *
469	<	find_person(const struct Client *client_p, const char *name)
469	>	find_person(const struct Client *source_p, const char *name)
470		{
471	<	struct Client *c2ptr;
471	>	struct Client *target_p = NULL;
472
473		if (IsDigit(*name))
474		{
475	<	if ((c2ptr = hash_find_id(name)) != NULL)
476	<	{
564	<	/* invisible users shall not be found by UID guessing */
565	<	if (HasUMode(c2ptr, UMODE_INVISIBLE) && !IsServer(client_p))
566	<	c2ptr = NULL;
567	<	}
475	>	if (IsServer(source_p->from))
476	>	target_p = hash_find_id(name);
477		}
478		else
479	<	c2ptr = hash_find_client(name);
479	>	target_p = hash_find_client(name);
480
481	<	return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
481	>	return (target_p && IsClient(target_p)) ? target_p : NULL;
482		}
483
484		/*
485	<	* find_chasing - find the client structure for a nick name (user)
486	<	*      using history mechanism if necessary. If the client is not found,
487	<	*      an error message (NO SUCH NICK) is generated. If the client was found
579	<	*      through the history, chasing will be 1 and otherwise 0.
485	>	* find_chasing - find the client structure for a nick name (name)
486	>	*      using history mechanism if necessary. If the client is not found,
487	>	*      an error message (NO SUCH NICK) is generated.
488		*/
489		struct Client *
490	<	find_chasing(struct Client *client_p, struct Client *source_p, const char *user, int *chasing)
490	>	find_chasing(struct Client *source_p, const char *name)
491		{
492	<	struct Client *who = find_person(client_p, user);
492	>	struct Client *target_p = find_person(source_p, name);
493
494	<	if (chasing)
495	<	*chasing = 0;
494	>	if (target_p)
495	>	return target_p;
496
497	<	if (who)
590	<	return who;
591	<
592	<	if (IsDigit(*user))
497	>	if (IsDigit(*name))
498		return NULL;
499
500	<	if ((who = get_history(user,
501	<	(time_t)ConfigFileEntry.kill_chase_time_limit))
502	<	== NULL)
500	>	target_p = whowas_get_history(name, (uintmax_t)ConfigGeneral.kill_chase_time_limit);
501	>
502	>	if (!target_p)
503		{
504	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
600	<	me.name, source_p->name, user);
504	>	sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name);
505		return NULL;
506		}
507
508	<	if (chasing)
605	<	*chasing = 1;
606	<
607	<	return who;
508	>	return target_p;
509		}
510
511		/*
#	Line 616 | Line 517 | find_chasing(struct Client *client_p, st
517		*        But, this can be used to any client structure.
518		*
519		* NOTE 1:
520	<	*        Watch out the allocation of "nbuf", if either source_p->name
520	>	*        Watch out the allocation of "buf", if either source_p->name
521		*        or source_p->sockhost gets changed into pointers instead of
522		*        directly allocated within the structure...
523		*
524		* NOTE 2:
525		*        Function return either a pointer to the structure (source_p) or
526	<	*        to internal buffer (nbuf). *NEVER* use the returned pointer
526	>	*        to internal buffer (buf). *NEVER* use the returned pointer
527		*        to modify what it points!!!
528		*/
529		const char *
530	<	get_client_name(const struct Client *client, int showip)
530	>	get_client_name(const struct Client *client_p, enum addr_mask_type type)
531		{
532	<	static char nbuf[HOSTLEN * 2 + USERLEN + 5];
532	>	static char buf[HOSTLEN * 2 + USERLEN + 4];  /* +4 for [,@,],\0 */
533
534	<	assert(client != NULL);
534	>	if (!MyConnect(client_p))
535	>	return client_p->name;
536
537	<	if (irccmp(client->name, client->host) == 0)
538	<	return client->name;
539	<
540	<	if (ConfigServerHide.hide_server_ips)
541	<	if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
542	<	showip = MASK_IP;
543	<
642	<	if (ConfigFileEntry.hide_spoof_ips)
643	<	if (showip == SHOW_IP && IsIPSpoof(client))
644	<	showip = MASK_IP;
537	>	if (IsServer(client_p) || IsConnecting(client_p) || IsHandshake(client_p))
538	>	{
539	>	if (!irccmp(client_p->name, client_p->host))
540	>	return client_p->name;
541	>	else if (ConfigServerHide.hide_server_ips)
542	>	type = MASK_IP;
543	>	}
544
545		/* And finally, let's get the host information, ip or name */
546	<	switch (showip)
546	>	switch (type)
547		{
548		case SHOW_IP:
549	<	if (MyConnect(client))
550	<	{
551	<	snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
552	<	client->name,
654	<	client->username, client->sockhost);
655	<	break;
656	<	}
549	>	snprintf(buf, sizeof(buf), "%s[%s@%s]",
550	>	client_p->name,
551	>	client_p->username, client_p->sockhost);
552	>	break;
553		case MASK_IP:
554	<	snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
555	<	client->name, client->username);
554	>	if (client_p->connection->aftype == AF_INET)
555	>	snprintf(buf, sizeof(buf), "%s[%s@255.255.255.255]",
556	>	client_p->name, client_p->username);
557	>	else
558	>	snprintf(buf, sizeof(buf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
559	>	client_p->name, client_p->username);
560		break;
561	<	default:
562	<	snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
563	<	client->name,
564	<	client->username, client->host);
561	>	default:  /* HIDE_IP */
562	>	snprintf(buf, sizeof(buf), "%s[%s@%s]",
563	>	client_p->name,
564	>	client_p->username, client_p->host);
565		}
566
567	<	return nbuf;
567	>	return buf;
568		}
569
570		void
571		free_exited_clients(void)
572		{
573	<	dlink_node *ptr = NULL, *next = NULL;
574	<
575	<	DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
573	>	dlink_node *node = NULL, *node_next = NULL;
574	>
575	>	DLINK_FOREACH_SAFE(node, node_next, dead_list.head)
576		{
577	<	free_client(ptr->data);
578	<	dlinkDelete(ptr, &dead_list);
579	<	free_dlink_node(ptr);
577	>	free_client(node->data);
578	>	dlinkDelete(node, &dead_list);
579	>	free_dlink_node(node);
580		}
581		}
582
#	Line 687 | Line 587 | free_exited_clients(void)
587		* The only messages generated are QUITs on channels.
588		*/
589		static void
590	<	exit_one_client(struct Client *source_p, const char *quitmsg)
590	>	exit_one_client(struct Client *source_p, const char *comment)
591		{
592	<	dlink_node *lp = NULL, *next_lp = NULL;
592	>	dlink_node *node = NULL, *node_next = NULL;
593
594		assert(!IsMe(source_p));
595	+	assert(source_p != &me);
596
597		if (IsClient(source_p))
598		{
599	<	if (source_p->servptr->serv != NULL)
600	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
599	>	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
600	>	dlinkDelete(&source_p->node, &global_client_list);
601
602		/*
603		* If a person is on a channel, send a QUIT notice
#	Line 704 | Line 605 | exit_one_client(struct Client *source_p,
605		* that the client can show the "**signoff" message).
606		* (Note: The notice is to the local clients *only*)
607		*/
608	<	sendto_common_channels_local(source_p, 0, ":%s!%s@%s QUIT :%s",
608	>	sendto_common_channels_local(source_p, 0, 0, 0, ":%s!%s@%s QUIT :%s",
609		source_p->name, source_p->username,
610	<	source_p->host, quitmsg);
611	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
612	<	remove_user_from_channel(lp->data);
610	>	source_p->host, comment);
611	>
612	>	DLINK_FOREACH_SAFE(node, node_next, source_p->channel.head)
613	>	remove_user_from_channel(node->data);
614
615	<	add_history(source_p, 0);
616	<	off_history(source_p);
615	>	client_clear_svstags(source_p);
616	>
617	>	whowas_add_history(source_p, 0);
618	>	whowas_off_history(source_p);
619
620		watch_check_hash(source_p, RPL_LOGOFF);
621
622		if (MyConnect(source_p))
623		{
624	<	/* Clean up invitefield */
721	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
722	<	del_invite(lp->data, source_p);
723	<
624	>	clear_invites_client(source_p);
625		del_all_accepts(source_p);
626		}
627		}
628		else if (IsServer(source_p))
629		{
630		dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
631	+	dlinkDelete(&source_p->node, &global_client_list);
632
633	<	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
634	<	free_dlink_node(lp);
633	>	if ((node = dlinkFindDelete(&global_server_list, source_p)))
634	>	free_dlink_node(node);
635		}
636
637		/* Remove source_p from the client lists */
638	<	if (HasID(source_p))
638	>	if (source_p->id[0])
639		hash_del_id(source_p);
640	+
641		if (source_p->name[0])
642		hash_del_client(source_p);
643
644	<	if (IsUserHostIp(source_p))
645	<	delete_user_host(source_p->username, source_p->host, !MyConnect(source_p));
743	<
744	<	/* remove from global client list
745	<	* NOTE: source_p->node.next cannot be NULL if the client is added
746	<	*       to global_client_list (there is always &me at its end)
747	<	*/
748	<	if (source_p != NULL && source_p->node.next != NULL)
749	<	dlinkDelete(&source_p->node, &global_client_list);
644	>	if (HasFlag(source_p, FLAGS_USERHOST))
645	>	userhost_del(source_p->username, source_p->host, !MyConnect(source_p));
646
647		update_client_exit_stats(source_p);
648
#	Line 758 | Line 654 | exit_one_client(struct Client *source_p,
654		dlinkAdd(source_p, make_dlink_node(), &dead_list);
655		}
656
657	<	/* Recursively send QUITs and SQUITs for source_p and all its dependent clients
762	<	* and servers to those servers that need them.  A server needs the client
763	<	* QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
764	<	* isn't getting the SQUIT because of @#(*&@)# hostmasking.  With TS4, once
765	<	* a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
766	<	* on that one -orabidoo
767	<	*
768	<	* This is now called on each local server -adx
769	<	*/
770	<	static void
771	<	recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
772	<	struct Client *from, struct Client *to, const char *comment,
773	<	const char *splitstr)
774	<	{
775	<	dlink_node *ptr, *next;
776	<	struct Client *target_p;
777	<	int hidden = match(me.name, source_p->name); /* XXX */
778	<
779	<	assert(to != source_p);  /* should be already removed from serv_list */
780	<
781	<	/* If this server can handle quit storm (QS) removal
782	<	* of dependents, just send the SQUIT
783	<	*
784	<	* Always check *all* dependent servers if some of them are
785	<	* hidden behind fakename. If so, send out the QUITs -adx
786	<	*/
787	<	if (hidden || !IsCapable(to, CAP_QS))
788	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
789	<	{
790	<	target_p = ptr->data;
791	<	sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
792	<	}
793	<
794	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
795	<	recurse_send_quits(original_source_p, ptr->data, from, to,
796	<	comment, splitstr);
797	<
798	<	if (!hidden && ((source_p == original_source_p && to != from) ||
799	<	!IsCapable(to, CAP_QS)))
800	<	{
801	<	/* don't use a prefix here - we have to be 100% sure the message
802	<	* will be accepted without Unknown prefix etc.. */
803	<	sendto_one(to, "SQUIT %s :%s", ID_or_name(source_p, to), comment);
804	<	}
805	<	}
806	<
807	<	/*
657	>	/*
658		* Remove all clients that depend on source_p; assumes all (S)QUITs have
659	<	* already been sent.  we make sure to exit a server's dependent clients
660	<	* and servers before the server itself; exit_one_client takes care of
659	>	* already been sent.  we make sure to exit a server's dependent clients
660	>	* and servers before the server itself; exit_one_client takes care of
661		* actually removing things off llists.   tweaked from +CSr31  -orabidoo
662		*/
663		static void
664	<	recurse_remove_clients(struct Client *source_p, const char *quitmsg)
664	>	recurse_remove_clients(struct Client *source_p, const char *comment)
665		{
666	<	dlink_node *ptr, *next;
666	>	dlink_node *node = NULL, *node_next = NULL;
667
668	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
669	<	exit_one_client(ptr->data, quitmsg);
668	>	DLINK_FOREACH_SAFE(node, node_next, source_p->serv->client_list.head)
669	>	exit_one_client(node->data, comment);
670
671	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
671	>	DLINK_FOREACH_SAFE(node, node_next, source_p->serv->server_list.head)
672		{
673	<	recurse_remove_clients(ptr->data, quitmsg);
674	<	exit_one_client(ptr->data, quitmsg);
673	>	recurse_remove_clients(node->data, comment);
674	>	exit_one_client(node->data, comment);
675		}
676		}
677
678		/*
829	–	** Remove *everything* that depends on source_p, from all lists, and sending
830	–	** all necessary QUITs and SQUITs.  source_p itself is still on the lists,
831	–	** and its SQUITs have been sent except for the upstream one  -orabidoo
832	–	*/
833	–	static void
834	–	remove_dependents(struct Client *source_p, struct Client *from,
835	–	const char *comment, const char *splitstr)
836	–	{
837	–	dlink_node *ptr = NULL;
838	–
839	–	DLINK_FOREACH(ptr, serv_list.head)
840	–	recurse_send_quits(source_p, source_p, from, ptr->data,
841	–	comment, splitstr);
842	–
843	–	recurse_remove_clients(source_p, splitstr);
844	–	}
845	–
846	–	/*
679		* exit_client - exit a client of any type. Generally, you can use
680		* this on any struct Client, regardless of its state.
681		*
682		* Note, you shouldn't exit remote _users_ without first doing
683		* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message.
684	+	*
685		* However, it is perfectly correct to call exit_client to force a _server_
686		* quit (either local or remote one).
687		*
688	+	*
689		* inputs:       - a client pointer that is going to be exited
856	–	*               - for servers, the second argument is a pointer to who
857	–	*                 is firing the server. This side won't get any generated
858	–	*                 messages. NEVER NULL!
690		* output:       none
691		* side effects: the client is delinked from all lists, disconnected,
692		*               and the rest of IRC network is notified of the exit.
693		*               Client memory is scheduled to be freed
694		*/
695		void
696	<	exit_client(struct Client *source_p, struct Client *from, const char *comment)
696	>	exit_client(struct Client *source_p, const char *comment)
697		{
698	<	dlink_node *m = NULL;
698	>	dlink_node *node = NULL;
699	>
700	>	assert(!IsMe(source_p));
701	>	assert(source_p != &me);
702
703		if (MyConnect(source_p))
704		{
705		/* DO NOT REMOVE. exit_client can be called twice after a failed
706		* read/write.
707		*/
708	<	if (IsClosing(source_p))
708	>	if (HasFlag(source_p, FLAGS_CLOSING))
709		return;
710
711	<	SetClosing(source_p);
878	<
879	<	if (IsIpHash(source_p))
880	<	remove_one_ip(&source_p->localClient->ip);
711	>	AddFlag(source_p, FLAGS_CLOSING);
712
713	<	if (source_p->localClient->auth)
713	>	if (HasFlag(source_p, FLAGS_IPHASH))
714		{
715	<	delete_auth(source_p->localClient->auth);
716	<	source_p->localClient->auth = NULL;
715	>	DelFlag(source_p, FLAGS_IPHASH);
716	>	ipcache_remove_address(&source_p->connection->ip);
717		}
718
719	<	/* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
889	<	* STAT_HANDSHAKE or STAT_UNKNOWN
890	<	* all of which are lumped together into unknown_list
891	<	*
892	<	* In all above cases IsRegistered() will not be true.
893	<	*/
894	<	if (!IsRegistered(source_p))
895	<	{
896	<	assert(dlinkFind(&unknown_list, source_p));
719	>	delete_auth(&source_p->connection->auth);
720
721	<	dlinkDelete(&source_p->localClient->lclient_node, &unknown_list);
899	<	}
900	<	else if (IsClient(source_p))
721	>	if (IsClient(source_p))
722		{
902	–	time_t on_for = CurrentTime - source_p->localClient->firsttime;
723		assert(Count.local > 0);
724	<	Count.local--;
724	>
725	>	--Count.local;
726
727		if (HasUMode(source_p, UMODE_OPER))
728	<	{
729	<	if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
909	<	free_dlink_node(m);
910	<	}
728	>	if ((node = dlinkFindDelete(&oper_list, source_p)))
729	>	free_dlink_node(node);
730
731		assert(dlinkFind(&local_client_list, source_p));
732	<	dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
732	>	dlinkDelete(&source_p->connection->lclient_node, &local_client_list);
733
734	<	if (source_p->localClient->list_task != NULL)
735	<	free_list_task(source_p->localClient->list_task, source_p);
734	>	if (source_p->connection->list_task)
735	>	free_list_task(source_p);
736
737		watch_del_watch_list(source_p);
738	<	sendto_realops_flags(UMODE_CCONN, L_ALL, "Client exiting: %s (%s@%s) [%s] [%s]",
739	<	source_p->name, source_p->username, source_p->host, comment,
740	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
741	<	"255.255.255.255" : source_p->sockhost);
742	<	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, "CLIEXIT: %s %s %s %s 0 %s",
743	<	source_p->name,
744	<	source_p->username,
745	<	source_p->host,
746	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
928	<	"255.255.255.255" : source_p->sockhost,
929	<	comment);
930	<	ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
931	<	myctime(source_p->localClient->firsttime), (unsigned int)(on_for / 3600),
932	<	(unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
738	>
739	>	sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
740	>	"Client exiting: %s (%s@%s) [%s] [%s]",
741	>	source_p->name, source_p->username, source_p->host,
742	>	source_p->sockhost, comment);
743	>
744	>	ilog(LOG_TYPE_USER, "%s (%ju): %s!%s@%s %s %s %ju/%ju :%s",
745	>	date_ctime(source_p->connection->firsttime),
746	>	CurrentTime - source_p->connection->firsttime,
747		source_p->name, source_p->username, source_p->host,
748	<	source_p->localClient->send.bytes>>10,
749	<	source_p->localClient->recv.bytes>>10);
748	>	source_p->sockhost, source_p->account,
749	>	source_p->connection->send.bytes >> 10,
750	>	source_p->connection->recv.bytes >> 10, source_p->info);
751		}
752	<
938	<	/* As soon as a client is known to be a server of some sort
939	<	* it has to be put on the serv_list, or SJOIN's to this new server
940	<	* from the connect burst will not be seen.
941	<	* XXX - TBV.  This is not true. The only place where we put a server on
942	<	* serv_list is in server_estab right now after registration process.
943	<	* And only after this, a burst is sent to the remote server, i.e. we never
944	<	* send a burst to STAT_CONNECTING, or STAT_HANDSHAKE. This will need
945	<	* more investigation later on, but for now, it's not a problem after all.
946	<	*/
947	<	if (IsServer(source_p) || IsConnecting(source_p) ||
948	<	IsHandshake(source_p))
752	>	else if (IsServer(source_p))
753		{
754	<	if (dlinkFind(&serv_list, source_p))
951	<	{
952	<	dlinkDelete(&source_p->localClient->lclient_node, &serv_list);
953	<	unset_chcap_usage_counts(source_p);
954	<	}
754	>	assert(Count.myserver > 0);
755
756	<	if (IsServer(source_p))
757	<	Count.myserver--;
756	>	--Count.myserver;
757	>
758	>	assert(dlinkFind(&local_server_list, source_p));
759	>	dlinkDelete(&source_p->connection->lclient_node, &local_server_list);
760	>	}
761	>	else
762	>	{
763	>	assert(dlinkFind(&unknown_list, source_p));
764	>	dlinkDelete(&source_p->connection->lclient_node, &unknown_list);
765		}
766
767		if (!IsDead(source_p))
768		{
769		if (IsServer(source_p))
770		{
771	<	/* for them, we are exiting the network */
772	<	sendto_one(source_p, ":%s SQUIT %s :%s",
773	<	ID_or_name(from, source_p), me.name, comment);
771	>	if (!HasFlag(source_p, FLAGS_SQUIT))
772	>	{
773	>	/* for them, we are exiting the network */
774	>	sendto_one(source_p, ":%s SQUIT %s :%s",
775	>	me.id, me.id, comment);
776	>	}
777		}
778
779		sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
780		source_p->host, comment);
781		}
782
973	–	/*
974	–	** Currently only server connections can have
975	–	** depending remote clients here, but it does no
976	–	** harm to check for all local clients. In
977	–	** future some other clients than servers might
978	–	** have remotes too...
979	–	**
980	–	** Close the Client connection first and mark it
981	–	** so that no messages are attempted to send to it.
982	–	** Remember it makes source_p->from == NULL.
983	–	*/
783		close_connection(source_p);
784		}
785	+	else if (IsClient(source_p) && HasFlag(source_p->servptr, FLAGS_EOB))
786	+	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
787	+	"Client exiting at %s: %s (%s@%s) [%s] [%s]",
788	+	source_p->servptr->name, source_p->name,
789	+	source_p->username, source_p->host, source_p->sockhost, comment);
790
791		if (IsServer(source_p))
792		{
793	<	char splitstr[HOSTLEN + HOSTLEN + 2];
793	>	char splitstr[HOSTLEN + HOSTLEN + 2] = "";
794
795	<	/* This shouldn't ever happen */
796	<	assert(source_p->serv != NULL && source_p->servptr != NULL);
795	>	assert(source_p->serv);
796	>	assert(source_p->servptr);
797
798		if (ConfigServerHide.hide_servers)
799		/*
800	<	* Set netsplit message to "*.net *.split" to still show
800	>	* Set netsplit message to "*.net *.split" to still show
801		* that its a split, but hide the servers splitting
802		*/
803	<	strcpy(splitstr, "*.net *.split");
803	>	strlcpy(splitstr, "*.net *.split", sizeof(splitstr));
804		else
805		snprintf(splitstr, sizeof(splitstr), "%s %s",
806		source_p->servptr->name, source_p->name);
807
808	<	remove_dependents(source_p, from->from, comment, splitstr);
808	>	/* Send SQUIT for source_p in every direction. source_p is already off of local_server_list here */
809	>	if (!HasFlag(source_p, FLAGS_SQUIT))
810	>	sendto_server(NULL, 0, 0, "SQUIT %s :%s", source_p->id, comment);
811	>
812	>	/* Now exit the clients internally */
813	>	recurse_remove_clients(source_p, splitstr);
814
815	<	if (source_p->servptr == &me)
815	>	if (MyConnect(source_p))
816		{
817	<	sendto_realops_flags(UMODE_ALL, L_ALL,
818	<	"%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
819	<	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
820	<	source_p->localClient->send.bytes >> 10,
821	<	source_p->localClient->recv.bytes >> 10);
822	<	ilog(LOG_TYPE_IRCD, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
823	<	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
824	<	source_p->localClient->send.bytes >> 10,
825	<	source_p->localClient->recv.bytes >> 10);
817	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
818	>	"%s was connected for %s. %ju/%ju sendK/recvK.",
819	>	source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime),
820	>	source_p->connection->send.bytes >> 10,
821	>	source_p->connection->recv.bytes >> 10);
822	>	ilog(LOG_TYPE_IRCD, "%s was connected for %s. %ju/%ju sendK/recvK.",
823	>	source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime),
824	>	source_p->connection->send.bytes >> 10,
825	>	source_p->connection->recv.bytes >> 10);
826		}
827		}
828		else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
829	<	{
830	<	sendto_server(from->from, NULL, CAP_TS6, NOCAPS,
1022	<	":%s QUIT :%s", ID(source_p), comment);
1023	<	sendto_server(from->from, NULL, NOCAPS, CAP_TS6,
1024	<	":%s QUIT :%s", source_p->name, comment);
1025	<	}
829	>	sendto_server(source_p->from, 0, 0, ":%s QUIT :%s",
830	>	source_p->id, comment);
831
832		/* The client *better* be off all of the lists */
833		assert(dlinkFind(&unknown_list, source_p) == NULL);
834		assert(dlinkFind(&local_client_list, source_p) == NULL);
835	<	assert(dlinkFind(&serv_list, source_p) == NULL);
835	>	assert(dlinkFind(&local_server_list, source_p) == NULL);
836		assert(dlinkFind(&oper_list, source_p) == NULL);
837
838		exit_one_client(source_p, comment);
#	Line 1040 | Line 845 | exit_client(struct Client *source_p, str
845		void
846		dead_link_on_write(struct Client *client_p, int ierrno)
847		{
848	<	dlink_node *ptr;
848	>	dlink_node *node;
849
850		if (IsDefunct(client_p))
851		return;
852
853	<	dbuf_clear(&client_p->localClient->buf_recvq);
854	<	dbuf_clear(&client_p->localClient->buf_sendq);
853	>	dbuf_clear(&client_p->connection->buf_recvq);
854	>	dbuf_clear(&client_p->connection->buf_sendq);
855
856		assert(dlinkFind(&abort_list, client_p) == NULL);
857	<	ptr = make_dlink_node();
857	>	node = make_dlink_node();
858		/* don't let exit_aborted_clients() finish yet */
859	<	dlinkAddTail(client_p, ptr, &abort_list);
859	>	dlinkAddTail(client_p, node, &abort_list);
860
861		if (eac_next == NULL)
862	<	eac_next = ptr;
862	>	eac_next = node;
863
864		SetDead(client_p); /* You are dead my friend */
865		}
#	Line 1066 | Line 871 | dead_link_on_write(struct Client *client
871		void
872		dead_link_on_read(struct Client *client_p, int error)
873		{
874	<	char errmsg[255];
874	>	char errmsg[IRCD_BUFSIZE];
875		int current_error;
876
877		if (IsDefunct(client_p))
878		return;
879
880	<	dbuf_clear(&client_p->localClient->buf_recvq);
881	<	dbuf_clear(&client_p->localClient->buf_sendq);
880	>	dbuf_clear(&client_p->connection->buf_recvq);
881	>	dbuf_clear(&client_p->connection->buf_sendq);
882
883	<	current_error = get_sockerr(client_p->localClient->fd.fd);
883	>	current_error = get_sockerr(client_p->connection->fd.fd);
884
885		if (IsServer(client_p) || IsHandshake(client_p))
886		{
1082	–	int connected = CurrentTime - client_p->localClient->firsttime;
1083	–
887		if (error == 0)
888		{
889		/* Admins get the real IP */
890	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
891	<	"Server %s closed the connection",
892	<	get_client_name(client_p, SHOW_IP));
890	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
891	>	"Server %s closed the connection",
892	>	get_client_name(client_p, SHOW_IP));
893
894		/* Opers get a masked IP */
895	<	sendto_realops_flags(UMODE_ALL, L_OPER,
896	<	"Server %s closed the connection",
897	<	get_client_name(client_p, MASK_IP));
895	>	sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
896	>	"Server %s closed the connection",
897	>	get_client_name(client_p, MASK_IP));
898
899		ilog(LOG_TYPE_IRCD, "Server %s closed the connection",
900	<	get_client_name(client_p, SHOW_IP));
900	>	get_client_name(client_p, SHOW_IP));
901		}
902		else
903		{
904		report_error(L_ADMIN, "Lost connection to %s: %s",
905	<	get_client_name(client_p, SHOW_IP), current_error);
905	>	get_client_name(client_p, SHOW_IP), current_error);
906		report_error(L_OPER, "Lost connection to %s: %s",
907	<	get_client_name(client_p, MASK_IP), current_error);
907	>	get_client_name(client_p, MASK_IP), current_error);
908		}
909
910	<	sendto_realops_flags(UMODE_ALL, L_ALL,
911	<	"%s had been connected for %d day%s, %2d:%02d:%02d",
912	<	client_p->name, connected/86400,
1110	<	(connected/86400 == 1) ? "" : "s",
1111	<	(connected % 86400) / 3600, (connected % 3600) / 60,
1112	<	connected % 60);
910	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
911	>	"%s was connected for %s",
912	>	client_p->name, time_dissect(CurrentTime - client_p->connection->firsttime));
913		}
914
915		if (error == 0)
#	Line 1119 | Line 919 | dead_link_on_read(struct Client *client_
919		snprintf(errmsg, sizeof(errmsg), "Read error: %s",
920		strerror(current_error));
921
922	<	exit_client(client_p, &me, errmsg);
922	>	exit_client(client_p, errmsg);
923		}
924
925		void
#	Line 1136 | Line 936 | exit_aborted_clients(void)
936
937		if (target_p == NULL)
938		{
939	<	sendto_realops_flags(UMODE_ALL, L_ALL,
939	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
940		"Warning: null client on abort_list!");
941		dlinkDelete(ptr, &abort_list);
942		free_dlink_node(ptr);
#	Line 1145 | Line 945 | exit_aborted_clients(void)
945
946		dlinkDelete(ptr, &abort_list);
947
948	<	if (IsSendQExceeded(target_p))
948	>	if (HasFlag(target_p, FLAGS_SENDQEX))
949		notice = "Max SendQ exceeded";
950		else
951		notice = "Write error: connection closed";
952
953	<	exit_client(target_p, &me, notice);
953	>	exit_client(target_p, notice);
954		free_dlink_node(ptr);
955		}
956		}
#	Line 1168 | Line 968 | exit_aborted_clients(void)
968		void
969		del_accept(struct split_nuh_item *accept_p, struct Client *client_p)
970		{
971	<	dlinkDelete(&accept_p->node, &client_p->localClient->acceptlist);
971	>	dlinkDelete(&accept_p->node, &client_p->connection->acceptlist);
972
973	<	MyFree(accept_p->nickptr);
974	<	MyFree(accept_p->userptr);
975	<	MyFree(accept_p->hostptr);
976	<	MyFree(accept_p);
973	>	xfree(accept_p->nickptr);
974	>	xfree(accept_p->userptr);
975	>	xfree(accept_p->hostptr);
976	>	xfree(accept_p);
977		}
978
979		struct split_nuh_item *
980		find_accept(const char *nick, const char *user,
981	<	const char *host, struct Client *client_p, int do_match)
981	>	const char *host, struct Client *client_p,
982	>	int (*cmpfunc)(const char *, const char *))
983		{
984	<	dlink_node *ptr = NULL;
1184	<	/* XXX We wouldn't need that if match() would return 0 on match */
1185	<	int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
984	>	dlink_node *node = NULL;
985
986	<	DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
986	>	DLINK_FOREACH(node, client_p->connection->acceptlist.head)
987		{
988	<	struct split_nuh_item *accept_p = ptr->data;
988	>	struct split_nuh_item *accept_p = node->data;
989
990	<	if (cmpfunc(accept_p->nickptr, nick) == do_match &&
991	<	cmpfunc(accept_p->userptr, user) == do_match &&
992	<	cmpfunc(accept_p->hostptr, host) == do_match)
990	>	if (!cmpfunc(accept_p->nickptr, nick) &&
991	>	!cmpfunc(accept_p->userptr, user) &&
992	>	!cmpfunc(accept_p->hostptr, host))
993		return accept_p;
994		}
995
#	Line 1208 | Line 1007 | int
1007		accept_message(struct Client *source,
1008		struct Client *target)
1009		{
1010	<	dlink_node *ptr = NULL;
1010	>	dlink_node *node = NULL;
1011	>
1012	>	if (HasFlag(source, FLAGS_SERVICE) ||
1013	>	(HasUMode(source, UMODE_OPER) && ConfigGeneral.opers_bypass_callerid))
1014	>	return 1;
1015
1016		if (source == target || find_accept(source->name, source->username,
1017	<	source->host, target, 1))
1017	>	source->host, target, match))
1018		return 1;
1019
1020	<	if (HasUMode(target, UMODE_SOFTCALLERID))
1021	<	DLINK_FOREACH(ptr, target->channel.head)
1022	<	if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1020	>	if (!HasUMode(target, UMODE_CALLERID) && HasUMode(target, UMODE_SOFTCALLERID))
1021	>	DLINK_FOREACH(node, target->channel.head)
1022	>	if (IsMember(source, ((struct Membership *)node->data)->chptr))
1023		return 1;
1024
1025		return 0;
#	Line 1231 | Line 1034 | accept_message(struct Client *source,
1034		void
1035		del_all_accepts(struct Client *client_p)
1036		{
1037	<	dlink_node *ptr = NULL, *next_ptr = NULL;
1037	>	dlink_node *node = NULL, *node_next = NULL;
1038	>
1039	>	DLINK_FOREACH_SAFE(node, node_next, client_p->connection->acceptlist.head)
1040	>	del_accept(node->data, client_p);
1041	>	}
1042	>
1043	>	unsigned int
1044	>	client_get_idle_time(const struct Client *source_p,
1045	>	const struct Client *target_p)
1046	>	{
1047	>	unsigned int idle = 0;
1048	>	unsigned int min_idle = 0;
1049	>	unsigned int max_idle = 0;
1050	>	const struct ClassItem *const class = get_class_ptr(&target_p->connection->confs);
1051	>
1052	>	if (!(class->flags & CLASS_FLAGS_FAKE_IDLE) || target_p == source_p)
1053	>	return CurrentTime - target_p->connection->last_privmsg;
1054	>
1055	>	if (HasUMode(source_p, UMODE_OPER) &&
1056	>	!(class->flags & CLASS_FLAGS_HIDE_IDLE_FROM_OPERS))
1057	>	return CurrentTime - target_p->connection->last_privmsg;
1058	>
1059	>	min_idle = class->min_idle;
1060	>	max_idle = class->max_idle;
1061
1062	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1063	<	del_accept(ptr->data, client_p);
1062	>	if (min_idle == max_idle)
1063	>	return min_idle;
1064	>
1065	>	if (class->flags & CLASS_FLAGS_RANDOM_IDLE)
1066	>	idle = genrand_int32();
1067	>	else
1068	>	idle = CurrentTime - target_p->connection->last_privmsg;
1069	>
1070	>	if (!max_idle)
1071	>	idle = 0;
1072	>	else
1073	>	idle %= max_idle;
1074	>
1075	>	if (idle < min_idle)
1076	>	idle = min_idle + (idle % (max_idle - min_idle));
1077	>
1078	>	return idle;
1079	>	}
1080	>
1081	>	/* client_init()
1082	>	*
1083	>	* inputs       - NONE
1084	>	* output       - NONE
1085	>	* side effects - initialize client free memory
1086	>	*/
1087	>	void
1088	>	client_init(void)
1089	>	{
1090	>	static struct event event_ping =
1091	>	{
1092	>	.name = "check_pings",
1093	>	.handler = check_pings,
1094	>	.when = 5
1095	>	};
1096	>
1097	>	client_pool = mp_pool_new(sizeof(struct Client), MP_CHUNK_SIZE_CLIENT);
1098	>	connection_pool = mp_pool_new(sizeof(struct Connection), MP_CHUNK_SIZE_CONNECTION);
1099	>	event_add(&event_ping, NULL);
1100		}

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