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

Comparing:
ircd-hybrid-8/src/client.c (file contents), Revision 1176 by michael, Sun Aug 14 11:24:24 2011 UTC vs.
ircd-hybrid/trunk/src/client.c (file contents), Revision 7076 by michael, Wed Jan 20 11:47:45 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"
29	–	#include "common.h"
30		#include "event.h"
31	–	#include "fdlist.h"
31		#include "hash.h"
32		#include "irc_string.h"
33		#include "ircd.h"
35	–	#include "s_gline.h"
34		#include "numeric.h"
35	<	#include "packet.h"
38	<	#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 "log.h"
39	>	#include "misc.h"
40	>	#include "server.h"
41		#include "send.h"
42		#include "whowas.h"
43	<	#include "s_user.h"
47	<	#include "dbuf.h"
43	>	#include "user.h"
44		#include "memory.h"
45	+	#include "mempool.h"
46		#include "hostmask.h"
50	–	#include "balloc.h"
47		#include "listener.h"
52	–	#include "irc_res.h"
48		#include "userhost.h"
49		#include "watch.h"
50	+	#include "rng_mt.h"
51	+	#include "parse.h"
52	+	#include "ipcache.h"
53
56	–	dlink_list listing_client_list = { NULL, NULL, 0 };
57	–	/* Pointer to beginning of Client list */
58	–	dlink_list global_client_list = {NULL, NULL, 0};
59	–	/* unknown/client pointer lists */
60	–	dlink_list unknown_list = {NULL, NULL, 0};
61	–	dlink_list local_client_list = {NULL, NULL, 0};
62	–	dlink_list serv_list = {NULL, NULL, 0};
63	–	dlink_list global_serv_list = {NULL, NULL, 0};
64	–	dlink_list oper_list = {NULL, NULL, 0};
65	–
66	–	static EVH check_pings;
54
55	<	static BlockHeap *client_heap  = NULL;
56	<	static BlockHeap *lclient_heap = NULL;
57	<
58	<	static dlink_list dead_list  = { NULL, NULL, 0};
59	<	static dlink_list abort_list = { NULL, NULL, 0};
55	>	dlink_list listing_client_list;
56	>	dlink_list unknown_list;
57	>	dlink_list local_client_list;
58	>	dlink_list local_server_list;
59	>	dlink_list global_client_list;
60	>	dlink_list global_server_list;
61	>	dlink_list oper_list;
62
63	+	static mp_pool_t *client_pool, *connection_pool;
64	+	static dlink_list dead_list, abort_list;
65		static dlink_node *eac_next;  /* next aborted client to exit */
66
76	–	static void check_pings_list(dlink_list *);
77	–	static void check_unknowns_list(void);
78	–	static void ban_them(struct Client *, struct ConfItem *);
79	–
80	–
81	–	/* init_client()
82	–	*
83	–	* inputs       - NONE
84	–	* output       - NONE
85	–	* side effects - initialize client free memory
86	–	*/
87	–	void
88	–	init_client(void)
89	–	{
90	–	/* start off the check ping event ..  -- adrian
91	–	* Every 30 seconds is plenty -- db
92	–	*/
93	–	client_heap = BlockHeapCreate("client", sizeof(struct Client), CLIENT_HEAP_SIZE);
94	–	lclient_heap = BlockHeapCreate("local client", sizeof(struct LocalUser), LCLIENT_HEAP_SIZE);
95	–	eventAdd("check_pings", check_pings, NULL, 5);
96	–	}
67
68		/*
69		* make_client - create a new Client struct and set it to initial state.
#	Line 113 | Line 83 | init_client(void)
83		struct Client *
84		make_client(struct Client *from)
85		{
86	<	struct Client *client_p = BlockHeapAlloc(client_heap);
86	>	struct Client *const client_p = mp_pool_get(client_pool);
87
88	<	if (from == NULL)
88	>	if (!from)
89		{
90	<	client_p->from  = client_p; /* 'from' of local client is self! */
91	<	client_p->since = client_p->lasttime = client_p->firsttime = CurrentTime;
90	>	client_p->from = client_p;  /* 'from' of local client is self! */
91	>	client_p->connection = mp_pool_get(connection_pool);
92	>	client_p->connection->since = CurrentTime;
93	>	client_p->connection->lasttime = CurrentTime;
94	>	client_p->connection->firsttime = CurrentTime;
95	>	client_p->connection->registration = REG_INIT;
96
123	–	client_p->localClient = BlockHeapAlloc(lclient_heap);
124	–	client_p->localClient->registration = REG_INIT;
97		/* as good a place as any... */
98	<	dlinkAdd(client_p, &client_p->localClient->lclient_node, &unknown_list);
98	>	dlinkAdd(client_p, &client_p->connection->lclient_node, &unknown_list);
99		}
100		else
101	<	client_p->from = from; /* 'from' of local client is self! */
101	>	client_p->from = from;
102
103	<	client_p->hnext  = client_p;
104	<	client_p->status = STAT_UNKNOWN;
103	>	client_p->idhnext = client_p;
104	>	client_p->hnext = client_p;
105	>	SetUnknown(client_p);
106		strcpy(client_p->username, "unknown");
107	+	strcpy(client_p->account, "*");
108
109		return client_p;
110		}
#	Line 145 | Line 119 | make_client(struct Client *from)
119		static void
120		free_client(struct Client *client_p)
121		{
148	–	assert(client_p != NULL);
122		assert(client_p != &me);
123		assert(client_p->hnext == client_p);
124	+	assert(client_p->idhnext == client_p);
125		assert(client_p->channel.head == NULL);
126		assert(dlink_list_length(&client_p->channel) == 0);
127	+	assert(dlink_list_length(&client_p->whowas) == 0);
128	+	assert(dlink_list_length(&client_p->svstags) == 0);
129
130	<	MyFree(client_p->away);
131	<	MyFree(client_p->serv);
130	>	xfree(client_p->serv);
131	>	xfree(client_p->certfp);
132
133		if (MyConnect(client_p))
134		{
135	<	assert(client_p->localClient->invited.head == NULL);
136	<	assert(dlink_list_length(&client_p->localClient->invited) == 0);
137	<	assert(IsClosing(client_p) && IsDead(client_p));
138	<
163	<	MyFree(client_p->localClient->response);
164	<	MyFree(client_p->localClient->auth_oper);
135	>	assert(client_p->connection->invited.head == NULL);
136	>	assert(dlink_list_length(&client_p->connection->invited) == 0);
137	>	assert(dlink_list_length(&client_p->connection->watches) == 0);
138	>	assert(HasFlag(client_p, FLAGS_CLOSING) && IsDead(client_p));
139
140		/*
141	<	* clean up extra sockets from P-lines which have been discarded.
141	>	* Clean up extra sockets from listen {} blocks which have been discarded.
142		*/
143	<	if (client_p->localClient->listener)
143	>	if (client_p->connection->listener)
144		{
145	<	assert(0 < client_p->localClient->listener->ref_count);
146	<	if (0 == --client_p->localClient->listener->ref_count &&
173	<	!client_p->localClient->listener->active)
174	<	free_listener(client_p->localClient->listener);
145	>	listener_release(client_p->connection->listener);
146	>	client_p->connection->listener = NULL;
147		}
148
149	<	dbuf_clear(&client_p->localClient->buf_recvq);
150	<	dbuf_clear(&client_p->localClient->buf_sendq);
149	>	dbuf_clear(&client_p->connection->buf_recvq);
150	>	dbuf_clear(&client_p->connection->buf_sendq);
151
152	<	BlockHeapFree(lclient_heap, client_p->localClient);
152	>	mp_pool_release(client_p->connection);
153		}
154
155	<	BlockHeapFree(client_heap, client_p);
155	>	mp_pool_release(client_p);
156		}
157
158	<	/*
159	<	* check_pings - go through the local client list and check activity
160	<	* kill off stuff that should die
161	<	*
162	<	* inputs       - NOT USED (from event)
191	<	* output       - next time_t when check_pings() should be called again
192	<	* side effects -
193	<	*
194	<	*
195	<	* A PING can be sent to clients as necessary.
196	<	*
197	<	* Client/Server ping outs are handled.
198	<	*/
158	>	void
159	>	client_attach_svstag(struct Client *client_p, unsigned int numeric,
160	>	const char *umodes, const char *const tag)
161	>	{
162	>	const struct user_modes *tab = NULL;
163
164	<	/*
165	<	* Addon from adrian. We used to call this after nextping seconds,
202	<	* however I've changed it to run once a second. This is only for
203	<	* PING timeouts, not K/etc-line checks (thanks dianora!). Having it
204	<	* run once a second makes life a lot easier - when a new client connects
205	<	* and they need a ping in 4 seconds, if nextping was set to 20 seconds
206	<	* we end up waiting 20 seconds. This is stupid. :-)
207	<	* I will optimise (hah!) check_pings() once I've finished working on
208	<	* tidying up other network IO evilnesses.
209	<	*     -- adrian
210	<	*/
164	>	if (numeric >= ERR_LAST_ERR_MSG || *umodes != '+')
165	>	return;
166
167	<	static void
168	<	check_pings(void *notused)
169	<	{
170	<	check_pings_list(&local_client_list);
171	<	check_pings_list(&serv_list);
172	<	check_unknowns_list();
167	>	struct ServicesTag *svstag = xcalloc(sizeof(*svstag));
168	>	svstag->numeric = numeric;
169	>	svstag->tag = xstrdup(tag);
170	>
171	>	for (const char *m = umodes + 1; *m; ++m)
172	>	if ((tab = umode_map[(unsigned char)*m]))
173	>	svstag->umodes |= tab->flag;
174	>
175	>	if (numeric != RPL_WHOISOPERATOR)
176	>	dlinkAddTail(svstag, &svstag->node, &client_p->svstags);
177	>	else
178	>	dlinkAdd(svstag, &svstag->node, &client_p->svstags);
179	>	}
180	>
181	>	void
182	>	client_clear_svstags(struct Client *client_p)
183	>	{
184	>	dlink_node *node = NULL, *node_next = NULL;
185	>
186	>	DLINK_FOREACH_SAFE(node, node_next, client_p->svstags.head)
187	>	{
188	>	struct ServicesTag *svstag = node->data;
189	>
190	>	dlinkDelete(&svstag->node, &client_p->svstags);
191	>	xfree(svstag->tag);
192	>	xfree(svstag);
193	>	}
194		}
195
196		/* check_pings_list()
197		*
198		* inputs       - pointer to list to check
199		* output       - NONE
200	<	* side effects -
200	>	* side effects -
201		*/
202		static void
203		check_pings_list(dlink_list *list)
204		{
205	<	char scratch[32];        /* way too generous but... */
206	<	struct Client *client_p; /* current local client_p being examined */
207	<	int ping, pingwarn;      /* ping time value from client */
232	<	dlink_node *ptr, *next_ptr;
205	>	char buf[32] = "";  /* 32 = sizeof("Ping timeout: 999999999 seconds") */
206	>	int ping = 0;      /* ping time value from client */
207	>	dlink_node *node = NULL, *node_next = NULL;
208
209	<	DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
209	>	DLINK_FOREACH_SAFE(node, node_next, list->head)
210		{
211	<	client_p = ptr->data;
211	>	struct Client *client_p = node->data;
212
238	–	/*
239	–	** Note: No need to notify opers here. It's
240	–	** already done when "FLAGS_DEADSOCKET" is set.
241	–	*/
213		if (IsDead(client_p))
214	<	{
244	<	/* Ignore it, its been exited already */
245	<	continue;
246	<	}
214	>	continue;  /* Ignore it, its been exited already */
215
216	<	if (client_p->localClient->reject_delay > 0)
217	<	{
250	<	if (client_p->localClient->reject_delay <= CurrentTime)
251	<	exit_client(client_p, &me, "Rejected");
252	<	continue;
253	<	}
254	<
255	<	if (!IsRegistered(client_p))
256	<	ping = CONNECTTIMEOUT, pingwarn = 0;
216	>	if (IsClient(client_p) || IsServer(client_p))
217	>	ping = get_client_ping(&client_p->connection->confs);
218		else
219	<	ping = get_client_ping(client_p, &pingwarn);
219	>	ping = CONNECTTIMEOUT;
220
221	<	if (ping < CurrentTime - client_p->lasttime)
221	>	if (ping < CurrentTime - client_p->connection->lasttime)
222		{
223	<	if (!IsPingSent(client_p))
223	>	if (!HasFlag(client_p, FLAGS_PINGSENT))
224		{
225	<	/*
226	<	* if we havent PINGed the connection and we havent
227	<	* heard from it in a while, PING it to make sure
228	<	* it is still alive.
229	<	*/
230	<	SetPingSent(client_p);
231	<	ClearPingWarning(client_p);
232	<	client_p->lasttime = CurrentTime - ping;
272	<	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
225	>	/*
226	>	* If we haven't PINGed the connection and we haven't
227	>	* heard from it in a while, PING it to make sure
228	>	* it is still alive.
229	>	*/
230	>	AddFlag(client_p, FLAGS_PINGSENT);
231	>	client_p->connection->lasttime = CurrentTime - ping;
232	>	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
233		}
234		else
235		{
236	<	if (CurrentTime - client_p->lasttime >= 2 * ping)
236	>	if (CurrentTime - client_p->connection->lasttime >= 2 * ping)
237		{
238		/*
239		* If the client/server hasn't talked to us in 2*ping seconds
240		* and it has a ping time, then close its connection.
241		*/
242		if (IsServer(client_p) || IsHandshake(client_p))
243	<	{
244	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
245	<	"No response from %s, closing link",
246	<	get_client_name(client_p, HIDE_IP));
247	<	sendto_realops_flags(UMODE_ALL, L_OPER,
248	<	"No response from %s, closing link",
249	<	get_client_name(client_p, MASK_IP));
250	<	ilog(L_NOTICE, "No response from %s, closing link",
251	<	get_client_name(client_p, HIDE_IP));
252	<	}
253	<
254	<	snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
255	<	(int)(CurrentTime - client_p->lasttime));
256	<	exit_client(client_p, &me, scratch);
297	<	}
298	<	else if (!IsPingWarning(client_p) && pingwarn > 0 &&
299	<	(IsServer(client_p) || IsHandshake(client_p)) &&
300	<	CurrentTime - client_p->lasttime >= ping + pingwarn)
301	<	{
302	<	/*
303	<	* If the server hasn't replied in pingwarn seconds after sending
304	<	* the PING, notify the opers so that they are aware of the problem.
305	<	*/
306	<	SetPingWarning(client_p);
307	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
308	<	"Warning, no response from %s in %d seconds",
309	<	get_client_name(client_p, HIDE_IP), pingwarn);
310	<	sendto_realops_flags(UMODE_ALL, L_OPER,
311	<	"Warning, no response from %s in %d seconds",
312	<	get_client_name(client_p, MASK_IP), pingwarn);
313	<	ilog(L_NOTICE, "No response from %s in %d seconds",
314	<	get_client_name(client_p, HIDE_IP), pingwarn);
243	>	{
244	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
245	>	"No response from %s, closing link",
246	>	get_client_name(client_p, SHOW_IP));
247	>	sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
248	>	"No response from %s, closing link",
249	>	get_client_name(client_p, MASK_IP));
250	>	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
251	>	get_client_name(client_p, SHOW_IP));
252	>	}
253	>
254	>	snprintf(buf, sizeof(buf), "Ping timeout: %ji seconds",
255	>	(CurrentTime - client_p->connection->lasttime));
256	>	exit_client(client_p, buf);
257		}
258		}
259		}
#	Line 327 | Line 269 | check_pings_list(dlink_list *list)
269		static void
270		check_unknowns_list(void)
271		{
272	<	dlink_node *ptr, *next_ptr;
272	>	dlink_node *node = NULL, *node_next = NULL;
273
274	<	DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
274	>	DLINK_FOREACH_SAFE(node, node_next, unknown_list.head)
275		{
276	<	struct Client *client_p = ptr->data;
335	<
336	<	if (client_p->localClient->reject_delay > 0)
337	<	{
338	<	if (client_p->localClient->reject_delay <= CurrentTime)
339	<	exit_client(client_p, &me, "Rejected");
340	<	continue;
341	<	}
276	>	struct Client *client_p = node->data;
277
278		/*
279		* Check UNKNOWN connections - if they have been in this state
280		* for > 30s, close them.
281		*/
282	<	if (IsAuthFinished(client_p) && (CurrentTime - client_p->firsttime) > 30)
283	<	exit_client(client_p, &me, "Registration timed out");
282	>	if (HasFlag(client_p, FLAGS_FINISHED_AUTH) && (CurrentTime - client_p->connection->firsttime) > 30)
283	>	exit_client(client_p, "Registration timed out");
284		}
285		}
286
287	+	/*
288	+	* check_pings - go through the local client list and check activity
289	+	* kill off stuff that should die
290	+	*
291	+	* inputs       - NOT USED (from event)
292	+	* output       - next time_t when check_pings() should be called again
293	+	* side effects -
294	+	*
295	+	*
296	+	* A PING can be sent to clients as necessary.
297	+	*
298	+	* Client/Server ping outs are handled.
299	+	*/
300	+
301	+	/*
302	+	* Addon from adrian. We used to call this after nextping seconds,
303	+	* however I've changed it to run once a second. This is only for
304	+	* PING timeouts, not K/etc-line checks (thanks dianora!). Having it
305	+	* run once a second makes life a lot easier - when a new client connects
306	+	* and they need a ping in 4 seconds, if nextping was set to 20 seconds
307	+	* we end up waiting 20 seconds. This is stupid. :-)
308	+	* I will optimise (hah!) check_pings() once I've finished working on
309	+	* tidying up other network IO evilnesses.
310	+	*     -- adrian
311	+	*/
312	+
313	+	static void
314	+	check_pings(void *unused)
315	+	{
316	+	check_pings_list(&local_client_list);
317	+	check_pings_list(&local_server_list);
318	+	check_unknowns_list();
319	+	}
320	+
321		/* check_conf_klines()
322		*
323		* inputs       - NONE
#	Line 356 | Line 325 | check_unknowns_list(void)
325		* side effects - Check all connections for a pending kline against the
326		*                client, exit the client if a kline matches.
327		*/
328	<	void
328	>	void
329		check_conf_klines(void)
330	<	{
331	<	struct Client *client_p = NULL;       /* current local client_p being examined */
332	<	struct AccessItem *aconf = NULL;
364	<	struct ConfItem *conf = NULL;
365	<	dlink_node *ptr, *next_ptr;
330	>	{
331	>	struct MaskItem *conf = NULL;
332	>	dlink_node *node = NULL, *node_next = NULL;
333
334	<	DLINK_FOREACH_SAFE(ptr, next_ptr, local_client_list.head)
334	>	DLINK_FOREACH_SAFE(node, node_next, local_client_list.head)
335		{
336	<	client_p = ptr->data;
336	>	struct Client *client_p = node->data;
337
338	<	/* If a client is already being exited
339	<	*/
373	<	if (IsDead(client_p) || !IsClient(client_p))
338	>	/* If a client is already being exited */
339	>	if (IsDead(client_p))
340		continue;
341
342	<	/* if there is a returned struct ConfItem then kill it */
343	<	if ((aconf = find_dline_conf(&client_p->localClient->ip,
378	<	client_p->localClient->aftype)) != NULL)
342	>	if ((conf = find_conf_by_address(NULL, &client_p->connection->ip, CONF_DLINE,
343	>	client_p->connection->aftype, NULL, NULL, 1)))
344		{
345	<	if (aconf->status & CONF_EXEMPTDLINE)
346	<	continue;
382	<
383	<	conf = unmap_conf_item(aconf);
384	<	ban_them(client_p, conf);
385	<	continue; /* and go examine next fd/client_p */
345	>	conf_try_ban(client_p, conf);
346	>	continue;  /* and go examine next Client */
347		}
348
349	<	if (ConfigFileEntry.glines && (aconf = find_gline(client_p)))
350	<	{
351	<	if (IsExemptKline(client_p) ||
391	<	IsExemptGline(client_p))
392	<	{
393	<	sendto_realops_flags(UMODE_ALL, L_ALL,
394	<	"GLINE over-ruled for %s, client is %sline_exempt",
395	<	get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
396	<	continue;
397	<	}
398	<
399	<	conf = unmap_conf_item(aconf);
400	<	ban_them(client_p, conf);
401	<	/* and go examine next fd/client_p */
402	<	continue;
403	<	}
404	<
405	<	if ((aconf = find_kill(client_p)) != NULL)
349	>	if ((conf = find_conf_by_address(client_p->host, &client_p->connection->ip,
350	>	CONF_KLINE, client_p->connection->aftype,
351	>	client_p->username, NULL, 1)))
352		{
353	<
354	<	/* if there is a returned struct AccessItem.. then kill it */
409	<	if (IsExemptKline(client_p))
410	<	{
411	<	sendto_realops_flags(UMODE_ALL, L_ALL,
412	<	"KLINE over-ruled for %s, client is kline_exempt",
413	<	get_client_name(client_p, HIDE_IP));
414	<	continue;
415	<	}
416	<
417	<	conf = unmap_conf_item(aconf);
418	<	ban_them(client_p, conf);
419	<	continue;
353	>	conf_try_ban(client_p, conf);
354	>	continue;  /* and go examine next Client */
355		}
356
357	<	/* if there is a returned struct MatchItem then kill it */
358	<	if ((conf = find_matching_name_conf(XLINE_TYPE,  client_p->info,
424	<	NULL, NULL, 0)) != NULL ||
425	<	(conf = find_matching_name_conf(RXLINE_TYPE, client_p->info,
426	<	NULL, NULL, 0)) != NULL)
357	>	if ((conf = find_matching_name_conf(CONF_XLINE, client_p->info,
358	>	NULL, NULL, 0)))
359		{
360	<	ban_them(client_p, conf);
361	<	continue;
360	>	conf_try_ban(client_p, conf);
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 ((conf = 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;
443	<
444	<	exit_client(client_p, &me, "D-lined");
373	>	conf_try_ban(client_p, conf);
374	>	continue;  /* and go examine next Client */
375		}
376		}
377		}
378
379		/*
380	<	* ban_them
380	>	* conf_try_ban
381		*
382		* inputs       - pointer to client to ban
383	<	*              - pointer to ConfItem
383	>	*              - pointer to MaskItem
384		* output       - NONE
385		* side effects - given client_p is banned
386		*/
387	<	static void
388	<	ban_them(struct Client *client_p, struct ConfItem *conf)
387	>	void
388	>	conf_try_ban(struct Client *client_p, struct MaskItem *conf)
389		{
390	<	const char *user_reason = NULL;       /* What is sent to user */
461	<	const char *channel_reason = NULL;    /* What is sent to channel */
462	<	struct AccessItem *aconf = NULL;
463	<	struct MatchItem *xconf = NULL;
464	<	const char *type_string = NULL;
465	<	const char dline_string[] = "D-line";
466	<	const char kline_string[] = "K-line";
467	<	const char gline_string[] = "G-line";
468	<	const char xline_string[] = "X-line";
390	>	char ban_type = '?';
391
392		switch (conf->type)
393		{
394	<	case RKLINE_TYPE:
395	<	case KLINE_TYPE:
396	<	type_string = kline_string;
397	<	aconf = map_to_conf(conf);
398	<	break;
399	<	case DLINE_TYPE:
400	<	type_string = dline_string;
401	<	aconf = map_to_conf(conf);
394	>	case CONF_KLINE:
395	>	if (HasFlag(client_p, FLAGS_EXEMPTKLINE))
396	>	{
397	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
398	>	"KLINE over-ruled for %s, client is kline_exempt",
399	>	get_client_name(client_p, HIDE_IP));
400	>	return;
401	>	}
402	>
403	>	ban_type = 'K';
404		break;
405	<	case GLINE_TYPE:
406	<	type_string = gline_string;
407	<	aconf = map_to_conf(conf);
405	>	case CONF_DLINE:
406	>	if (find_conf_by_address(NULL, &client_p->connection->ip, CONF_EXEMPT,
407	>	client_p->connection->aftype, NULL, NULL, 1))
408	>	return;
409	>	ban_type = 'D';
410		break;
411	<	case RXLINE_TYPE:
412	<	case XLINE_TYPE:
413	<	type_string = xline_string;
414	<	xconf = map_to_conf(conf);
415	<	++xconf->count;
411	>	case CONF_XLINE:
412	>	if (HasFlag(client_p, FLAGS_EXEMPTXLINE))
413	>	{
414	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
415	>	"XLINE over-ruled for %s, client is xline_exempt",
416	>	get_client_name(client_p, HIDE_IP));
417	>	return;
418	>	}
419	>
420	>	ban_type = 'X';
421	>	++conf->count;
422		break;
423		default:
424		assert(0);
425		break;
426		}
427
428	<	if (ConfigFileEntry.kline_with_reason)
429	<	{
498	<	if (aconf != NULL)
499	<	user_reason = aconf->reason ? aconf->reason : type_string;
500	<	if (xconf != NULL)
501	<	user_reason = xconf->reason ? xconf->reason : type_string;
502	<	}
503	<	else
504	<	user_reason = type_string;
505	<
506	<	if (ConfigFileEntry.kline_reason != NULL)
507	<	channel_reason = ConfigFileEntry.kline_reason;
508	<	else
509	<	channel_reason = user_reason;
510	<
511	<	sendto_realops_flags(UMODE_ALL, L_ALL, "%s active for %s",
512	<	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),
516	<	me.name, client_p->name, user_reason);
432	>	sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, conf->reason);
433
434	<	exit_client(client_p, &me, channel_reason);
434	>	exit_client(client_p, conf->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 530 | 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 (IsOper(client_p))
451	>	if (HasUMode(client_p, UMODE_OPER))
452		--Count.oper;
453	<	if (IsInvisible(client_p))
453	>	if (HasUMode(client_p, UMODE_INVISIBLE))
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);
542	–
543	–	if (splitchecking && !splitmode)
544	–	check_splitmode(NULL);
460		}
461
462		/* find_person()
#	Line 550 | Line 465 | update_client_exit_stats(struct Client *
465		* output       - return client pointer
466		* side effects - find person by (nick)name
467		*/
553	–	/* XXX - ugly wrapper */
468		struct Client *
469	<	find_person(const struct Client *client_p, const char *name)
469	>	find_person(const struct Client *const 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	<	{
563	<	/* invisible users shall not be found by UID guessing */
564	<	if (IsInvisible(c2ptr) && !IsServer(client_p))
565	<	c2ptr = NULL;
566	<	}
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
578	<	*      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);
584	<
585	<	if (chasing)
586	<	*chasing = 0;
492	>	struct Client *target_p = find_person(source_p, name);
493
494	<	if (who)
495	<	return who;
494	>	if (target_p)
495	>	return target_p;
496
497	<	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, (time_t)ConfigGeneral.kill_chase_time_limit);
501	>
502	>	if (!target_p)
503		{
504	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
599	<	me.name, source_p->name, user);
504	>	sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name);
505		return NULL;
506		}
507
508	<	if (chasing)
604	<	*chasing = 1;
605	<
606	<	return who;
508	>	return target_p;
509		}
510
511		/*
#	Line 615 | 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];
631	<
632	<	assert(client != NULL);
532	>	static char buf[HOSTLEN * 2 + USERLEN + 4];  /* +4 for [,@,],\0 */
533
534	<	if (irccmp(client->name, client->host) == 0)
535	<	return client->name;
534	>	if (!MyConnect(client_p))
535	>	return client_p->name;
536
537	<	if (ConfigServerHide.hide_server_ips)
538	<	if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
539	<	showip = MASK_IP;
540	<
541	<	if (ConfigFileEntry.hide_spoof_ips)
542	<	if (showip == SHOW_IP && IsIPSpoof(client))
543	<	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,
653	<	client->username, client->sockhost);
654	<	break;
655	<	}
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 686 | 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 703 | 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	>	client_clear_svstags(source_p);
616
617	<	add_history(source_p, 0);
618	<	off_history(source_p);
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 */
720	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
721	<	del_invite(lp->data, source_p);
722	<
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));
742	<
743	<	/* remove from global client list
744	<	* NOTE: source_p->node.next cannot be NULL if the client is added
745	<	*       to global_client_list (there is always &me at its end)
746	<	*/
747	<	if (source_p != NULL && source_p->node.next != NULL)
748	<	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 757 | 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
761	<	* and servers to those servers that need them.  A server needs the client
762	<	* QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
763	<	* isn't getting the SQUIT because of @#(*&@)# hostmasking.  With TS4, once
764	<	* a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
765	<	* on that one -orabidoo
766	<	*
767	<	* This is now called on each local server -adx
768	<	*/
769	<	static void
770	<	recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
771	<	struct Client *from, struct Client *to, const char *comment,
772	<	const char *splitstr)
773	<	{
774	<	dlink_node *ptr, *next;
775	<	struct Client *target_p;
776	<	int hidden = match(me.name, source_p->name); /* XXX */
777	<
778	<	assert(to != source_p);  /* should be already removed from serv_list */
779	<
780	<	/* If this server can handle quit storm (QS) removal
781	<	* of dependents, just send the SQUIT
782	<	*
783	<	* Always check *all* dependent servers if some of them are
784	<	* hidden behind fakename. If so, send out the QUITs -adx
785	<	*/
786	<	if (hidden || !IsCapable(to, CAP_QS))
787	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
788	<	{
789	<	target_p = ptr->data;
790	<	sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
791	<	}
792	<
793	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
794	<	recurse_send_quits(original_source_p, ptr->data, from, to,
795	<	comment, splitstr);
796	<
797	<	if (!hidden && ((source_p == original_source_p && to != from) ||
798	<	!IsCapable(to, CAP_QS)))
799	<	{
800	<	/* don't use a prefix here - we have to be 100% sure the message
801	<	* will be accepted without Unknown prefix etc.. */
802	<	sendto_one(to, "SQUIT %s :%s", ID_or_name(source_p, to), comment);
803	<	}
804	<	}
805	<
806	<	/*
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		/*
828	–	** Remove *everything* that depends on source_p, from all lists, and sending
829	–	** all necessary QUITs and SQUITs.  source_p itself is still on the lists,
830	–	** and its SQUITs have been sent except for the upstream one  -orabidoo
831	–	*/
832	–	static void
833	–	remove_dependents(struct Client *source_p, struct Client *from,
834	–	const char *comment, const char *splitstr)
835	–	{
836	–	dlink_node *ptr = NULL;
837	–
838	–	DLINK_FOREACH(ptr, serv_list.head)
839	–	recurse_send_quits(source_p, source_p, from, ptr->data,
840	–	comment, splitstr);
841	–
842	–	recurse_remove_clients(source_p, splitstr);
843	–	}
844	–
845	–	/*
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	<	* SetKilled and propagating a kill or similar message. However,
684	<	* it is perfectly correct to call exit_client to force a _server_
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
855	–	*               - for servers, the second argument is a pointer to who
856	–	*                 is firing the server. This side won't get any generated
857	–	*                 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);
711	>	AddFlag(source_p, FLAGS_CLOSING);
712
713	<	if (IsIpHash(source_p))
879	<	remove_one_ip(&source_p->localClient->ip);
880	<
881	<	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
888	<	* STAT_HANDSHAKE or STAT_UNKNOWN
889	<	* all of which are lumped together into unknown_list
890	<	*
891	<	* In all above cases IsRegistered() will not be true.
892	<	*/
893	<	if (!IsRegistered(source_p))
894	<	{
895	<	assert(dlinkFind(&unknown_list, source_p));
719	>	delete_auth(&source_p->connection->auth);
720
721	<	dlinkDelete(&source_p->localClient->lclient_node, &unknown_list);
898	<	}
899	<	else if (IsClient(source_p))
721	>	if (IsClient(source_p))
722		{
723	+	time_t on_for = CurrentTime - source_p->connection->firsttime;
724	+
725		assert(Count.local > 0);
902	–	Count.local--;
726
727	<	if (IsOper(source_p))
728	<	{
729	<	if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
730	<	free_dlink_node(m);
731	<	}
727	>	--Count.local;
728	>
729	>	if (HasUMode(source_p, UMODE_OPER))
730	>	if ((node = dlinkFindDelete(&oper_list, source_p)))
731	>	free_dlink_node(node);
732
733		assert(dlinkFind(&local_client_list, source_p));
734	<	dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
734	>	dlinkDelete(&source_p->connection->lclient_node, &local_client_list);
735
736	<	if (source_p->localClient->list_task != NULL)
737	<	free_list_task(source_p->localClient->list_task, source_p);
736	>	if (source_p->connection->list_task)
737	>	free_list_task(source_p);
738
739		watch_del_watch_list(source_p);
917	–	sendto_realops_flags(UMODE_CCONN, L_ALL, "Client exiting: %s (%s@%s) [%s] [%s]",
918	–	source_p->name, source_p->username, source_p->host, comment,
919	–	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
920	–	"255.255.255.255" : source_p->sockhost);
921	–	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, "CLIEXIT: %s %s %s %s 0 %s",
922	–	source_p->name,
923	–	source_p->username,
924	–	source_p->host,
925	–
926	–	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
927	–	"255.255.255.255" : source_p->sockhost,
928	–	comment);
929	–	}
740
741	<	/* As soon as a client is known to be a server of some sort
742	<	* it has to be put on the serv_list, or SJOIN's to this new server
743	<	* from the connect burst will not be seen.
744	<	*/
745	<	if (IsServer(source_p) || IsConnecting(source_p) ||
746	<	IsHandshake(source_p))
741	>	sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
742	>	"Client exiting: %s (%s@%s) [%s] [%s]",
743	>	source_p->name, source_p->username, source_p->host,
744	>	source_p->sockhost, comment);
745	>
746	>	ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %ju/%ju",
747	>	date_ctime(source_p->connection->firsttime), (unsigned int)(on_for / 3600),
748	>	(unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
749	>	source_p->name, source_p->username, source_p->host,
750	>	source_p->connection->send.bytes>>10,
751	>	source_p->connection->recv.bytes>>10);
752	>	}
753	>	else if (IsServer(source_p))
754		{
755	<	if ((m = dlinkFindDelete(&serv_list, source_p)) != NULL)
939	<	{
940	<	free_dlink_node(m);
941	<	unset_chcap_usage_counts(source_p);
942	<	}
755	>	assert(Count.myserver > 0);
756
757	<	if (IsServer(source_p))
945	<	Count.myserver--;
946	<	}
757	>	--Count.myserver;
758
759	<	log_user_exit(source_p);
759	>	assert(dlinkFind(&local_server_list, source_p));
760	>	dlinkDelete(&source_p->connection->lclient_node, &local_server_list);
761	>	}
762	>	else
763	>	{
764	>	assert(dlinkFind(&unknown_list, source_p));
765	>	dlinkDelete(&source_p->connection->lclient_node, &unknown_list);
766	>	}
767
768		if (!IsDead(source_p))
769		{
770		if (IsServer(source_p))
771		{
772	<	/* for them, we are exiting the network */
773	<	sendto_one(source_p, ":%s SQUIT %s :%s",
774	<	ID_or_name(from, source_p), me.name, comment);
772	>	if (!HasFlag(source_p, FLAGS_SQUIT))
773	>	{
774	>	/* for them, we are exiting the network */
775	>	sendto_one(source_p, ":%s SQUIT %s :%s",
776	>	me.id, me.id, comment);
777	>	}
778		}
779
780		sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
781		source_p->host, comment);
782		}
783
963	–	/*
964	–	** Currently only server connections can have
965	–	** depending remote clients here, but it does no
966	–	** harm to check for all local clients. In
967	–	** future some other clients than servers might
968	–	** have remotes too...
969	–	**
970	–	** Close the Client connection first and mark it
971	–	** so that no messages are attempted to send to it.
972	–	** Remember it makes source_p->from == NULL.
973	–	*/
784		close_connection(source_p);
785		}
786	+	else if (IsClient(source_p) && HasFlag(source_p->servptr, FLAGS_EOB))
787	+	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
788	+	"Client exiting at %s: %s (%s@%s) [%s] [%s]",
789	+	source_p->servptr->name, source_p->name,
790	+	source_p->username, source_p->host, source_p->sockhost, comment);
791
792		if (IsServer(source_p))
793		{
794	<	char splitstr[HOSTLEN + HOSTLEN + 2];
794	>	char splitstr[HOSTLEN + HOSTLEN + 2] = "";
795
796	<	/* This shouldn't ever happen */
797	<	assert(source_p->serv != NULL && source_p->servptr != NULL);
796	>	assert(source_p->serv);
797	>	assert(source_p->servptr);
798
799		if (ConfigServerHide.hide_servers)
800		/*
801	<	* Set netsplit message to "*.net *.split" to still show
801	>	* Set netsplit message to "*.net *.split" to still show
802		* that its a split, but hide the servers splitting
803		*/
804	<	strcpy(splitstr, "*.net *.split");
804	>	strlcpy(splitstr, "*.net *.split", sizeof(splitstr));
805		else
806		snprintf(splitstr, sizeof(splitstr), "%s %s",
807		source_p->servptr->name, source_p->name);
808
809	<	remove_dependents(source_p, from->from, comment, splitstr);
809	>	/* Send SQUIT for source_p in every direction. source_p is already off of local_server_list here */
810	>	if (!HasFlag(source_p, FLAGS_SQUIT))
811	>	sendto_server(NULL, 0, 0, "SQUIT %s :%s", source_p->id, comment);
812	>
813	>	/* Now exit the clients internally */
814	>	recurse_remove_clients(source_p, splitstr);
815
816	<	if (source_p->servptr == &me)
816	>	if (MyConnect(source_p))
817		{
818	<	sendto_realops_flags(UMODE_ALL, L_ALL,
819	<	"%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
820	<	source_p->name, (int)(CurrentTime - source_p->firsttime),
821	<	source_p->localClient->send.bytes >> 10,
822	<	source_p->localClient->recv.bytes >> 10);
823	<	ilog(L_NOTICE, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
824	<	source_p->name, (int)(CurrentTime - source_p->firsttime),
825	<	source_p->localClient->send.bytes >> 10,
826	<	source_p->localClient->recv.bytes >> 10);
818	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
819	>	"%s was connected for %s. %ju/%ju sendK/recvK.",
820	>	source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime),
821	>	source_p->connection->send.bytes >> 10,
822	>	source_p->connection->recv.bytes >> 10);
823	>	ilog(LOG_TYPE_IRCD, "%s was connected for %s. %ju/%ju sendK/recvK.",
824	>	source_p->name, time_dissect(CurrentTime - source_p->connection->firsttime),
825	>	source_p->connection->send.bytes >> 10,
826	>	source_p->connection->recv.bytes >> 10);
827		}
828		}
829	<	else if (IsClient(source_p) && !IsKilled(source_p))
830	<	{
831	<	sendto_server(from->from, NULL, CAP_TS6, NOCAPS,
1012	<	":%s QUIT :%s", ID(source_p), comment);
1013	<	sendto_server(from->from, NULL, NOCAPS, CAP_TS6,
1014	<	":%s QUIT :%s", source_p->name, comment);
1015	<	}
829	>	else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
830	>	sendto_server(source_p->from, 0, 0, ":%s QUIT :%s",
831	>	source_p->id, comment);
832
833		/* The client *better* be off all of the lists */
834		assert(dlinkFind(&unknown_list, source_p) == NULL);
835		assert(dlinkFind(&local_client_list, source_p) == NULL);
836	<	assert(dlinkFind(&serv_list, source_p) == NULL);
836	>	assert(dlinkFind(&local_server_list, source_p) == NULL);
837		assert(dlinkFind(&oper_list, source_p) == NULL);
838
839		exit_one_client(source_p, comment);
#	Line 1030 | Line 846 | exit_client(struct Client *source_p, str
846		void
847		dead_link_on_write(struct Client *client_p, int ierrno)
848		{
849	<	dlink_node *ptr;
849	>	dlink_node *node;
850
851		if (IsDefunct(client_p))
852		return;
853
854	<	dbuf_clear(&client_p->localClient->buf_recvq);
855	<	dbuf_clear(&client_p->localClient->buf_sendq);
854	>	dbuf_clear(&client_p->connection->buf_recvq);
855	>	dbuf_clear(&client_p->connection->buf_sendq);
856
857		assert(dlinkFind(&abort_list, client_p) == NULL);
858	<	ptr = make_dlink_node();
858	>	node = make_dlink_node();
859		/* don't let exit_aborted_clients() finish yet */
860	<	dlinkAddTail(client_p, ptr, &abort_list);
860	>	dlinkAddTail(client_p, node, &abort_list);
861
862		if (eac_next == NULL)
863	<	eac_next = ptr;
863	>	eac_next = node;
864
865		SetDead(client_p); /* You are dead my friend */
866		}
#	Line 1056 | Line 872 | dead_link_on_write(struct Client *client
872		void
873		dead_link_on_read(struct Client *client_p, int error)
874		{
875	<	char errmsg[255];
875	>	char errmsg[IRCD_BUFSIZE];
876		int current_error;
877
878		if (IsDefunct(client_p))
879		return;
880
881	<	dbuf_clear(&client_p->localClient->buf_recvq);
882	<	dbuf_clear(&client_p->localClient->buf_sendq);
881	>	dbuf_clear(&client_p->connection->buf_recvq);
882	>	dbuf_clear(&client_p->connection->buf_sendq);
883
884	<	current_error = get_sockerr(client_p->localClient->fd.fd);
884	>	current_error = get_sockerr(client_p->connection->fd.fd);
885
886		if (IsServer(client_p) || IsHandshake(client_p))
887		{
1072	–	int connected = CurrentTime - client_p->firsttime;
1073	–
888		if (error == 0)
889		{
890		/* Admins get the real IP */
891	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
892	<	"Server %s closed the connection",
893	<	get_client_name(client_p, SHOW_IP));
891	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ADMIN, SEND_NOTICE,
892	>	"Server %s closed the connection",
893	>	get_client_name(client_p, SHOW_IP));
894
895		/* Opers get a masked IP */
896	<	sendto_realops_flags(UMODE_ALL, L_OPER,
897	<	"Server %s closed the connection",
898	<	get_client_name(client_p, MASK_IP));
896	>	sendto_realops_flags(UMODE_SERVNOTICE, L_OPER, SEND_NOTICE,
897	>	"Server %s closed the connection",
898	>	get_client_name(client_p, MASK_IP));
899
900	<	ilog(L_NOTICE, "Server %s closed the connection",
901	<	get_client_name(client_p, SHOW_IP));
900	>	ilog(LOG_TYPE_IRCD, "Server %s closed the connection",
901	>	get_client_name(client_p, SHOW_IP));
902		}
903		else
904		{
905		report_error(L_ADMIN, "Lost connection to %s: %s",
906	<	get_client_name(client_p, SHOW_IP), current_error);
906	>	get_client_name(client_p, SHOW_IP), current_error);
907		report_error(L_OPER, "Lost connection to %s: %s",
908	<	get_client_name(client_p, MASK_IP), current_error);
908	>	get_client_name(client_p, MASK_IP), current_error);
909		}
910
911	<	sendto_realops_flags(UMODE_ALL, L_ALL,
912	<	"%s had been connected for %d day%s, %2d:%02d:%02d",
913	<	client_p->name, connected/86400,
1100	<	(connected/86400 == 1) ? "" : "s",
1101	<	(connected % 86400) / 3600, (connected % 3600) / 60,
1102	<	connected % 60);
911	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
912	>	"%s was connected for %s",
913	>	client_p->name, time_dissect(CurrentTime - client_p->connection->firsttime));
914		}
915
916		if (error == 0)
#	Line 1109 | Line 920 | dead_link_on_read(struct Client *client_
920		snprintf(errmsg, sizeof(errmsg), "Read error: %s",
921		strerror(current_error));
922
923	<	exit_client(client_p, &me, errmsg);
923	>	exit_client(client_p, errmsg);
924		}
925
926		void
#	Line 1126 | Line 937 | exit_aborted_clients(void)
937
938		if (target_p == NULL)
939		{
940	<	sendto_realops_flags(UMODE_ALL, L_ALL,
940	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
941		"Warning: null client on abort_list!");
942		dlinkDelete(ptr, &abort_list);
943		free_dlink_node(ptr);
#	Line 1135 | Line 946 | exit_aborted_clients(void)
946
947		dlinkDelete(ptr, &abort_list);
948
949	<	if (IsSendQExceeded(target_p))
949	>	if (HasFlag(target_p, FLAGS_SENDQEX))
950		notice = "Max SendQ exceeded";
951		else
952		notice = "Write error: connection closed";
953
954	<	exit_client(target_p, &me, notice);
954	>	exit_client(target_p, notice);
955		free_dlink_node(ptr);
956		}
957		}
#	Line 1158 | Line 969 | exit_aborted_clients(void)
969		void
970		del_accept(struct split_nuh_item *accept_p, struct Client *client_p)
971		{
972	<	dlinkDelete(&accept_p->node, &client_p->localClient->acceptlist);
972	>	dlinkDelete(&accept_p->node, &client_p->connection->acceptlist);
973
974	<	MyFree(accept_p->nickptr);
975	<	MyFree(accept_p->userptr);
976	<	MyFree(accept_p->hostptr);
977	<	MyFree(accept_p);
974	>	xfree(accept_p->nickptr);
975	>	xfree(accept_p->userptr);
976	>	xfree(accept_p->hostptr);
977	>	xfree(accept_p);
978		}
979
980		struct split_nuh_item *
981		find_accept(const char *nick, const char *user,
982	<	const char *host, struct Client *client_p, int do_match)
982	>	const char *host, struct Client *client_p,
983	>	int (*cmpfunc)(const char *, const char *))
984		{
985	<	dlink_node *ptr = NULL;
1174	<	/* XXX We wouldn't need that if match() would return 0 on match */
1175	<	int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
985	>	dlink_node *node = NULL;
986
987	<	DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
987	>	DLINK_FOREACH(node, client_p->connection->acceptlist.head)
988		{
989	<	struct split_nuh_item *accept_p = ptr->data;
989	>	struct split_nuh_item *accept_p = node->data;
990
991	<	if (cmpfunc(accept_p->nickptr, nick) == do_match &&
992	<	cmpfunc(accept_p->userptr, user) == do_match &&
993	<	cmpfunc(accept_p->hostptr, host) == do_match)
991	>	if (!cmpfunc(accept_p->nickptr, nick) &&
992	>	!cmpfunc(accept_p->userptr, user) &&
993	>	!cmpfunc(accept_p->hostptr, host))
994		return accept_p;
995		}
996
#	Line 1198 | Line 1008 | int
1008		accept_message(struct Client *source,
1009		struct Client *target)
1010		{
1011	<	dlink_node *ptr = NULL;
1011	>	dlink_node *node = NULL;
1012	>
1013	>	if (HasFlag(source, FLAGS_SERVICE) ||
1014	>	(HasUMode(source, UMODE_OPER) && ConfigGeneral.opers_bypass_callerid))
1015	>	return 1;
1016
1017		if (source == target || find_accept(source->name, source->username,
1018	<	source->host, target, 1))
1018	>	source->host, target, match))
1019		return 1;
1020
1021	<	if (IsSoftCallerId(target))
1022	<	DLINK_FOREACH(ptr, target->channel.head)
1023	<	if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1021	>	if (!HasUMode(target, UMODE_CALLERID) && HasUMode(target, UMODE_SOFTCALLERID))
1022	>	DLINK_FOREACH(node, target->channel.head)
1023	>	if (IsMember(source, ((struct Membership *)node->data)->chptr))
1024		return 1;
1025
1026		return 0;
#	Line 1221 | Line 1035 | accept_message(struct Client *source,
1035		void
1036		del_all_accepts(struct Client *client_p)
1037		{
1038	<	dlink_node *ptr = NULL, *next_ptr = NULL;
1038	>	dlink_node *node = NULL, *node_next = NULL;
1039
1040	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1041	<	del_accept(ptr->data, client_p);
1040	>	DLINK_FOREACH_SAFE(node, node_next, client_p->connection->acceptlist.head)
1041	>	del_accept(node->data, client_p);
1042		}
1043
1044	<	/* change_local_nick()
1045	<	*
1046	<	* inputs       - pointer to server
1233	<	*              - pointer to client
1234	<	*              - nick
1235	<	* output       -
1236	<	* side effects - changes nick of a LOCAL user
1237	<	*/
1238	<	void
1239	<	change_local_nick(struct Client *client_p, struct Client *source_p, const char *nick)
1044	>	unsigned int
1045	>	client_get_idle_time(const struct Client *source_p,
1046	>	const struct Client *target_p)
1047		{
1048	<	int samenick = 0;
1048	>	unsigned int idle = 0;
1049	>	unsigned int min_idle = 0;
1050	>	unsigned int max_idle = 0;
1051	>	const struct ClassItem *const class = get_class_ptr(&target_p->connection->confs);
1052
1053	<	assert(source_p->name[0] && !EmptyString(nick));
1053	>	if (!(class->flags & CLASS_FLAGS_FAKE_IDLE) || target_p == source_p)
1054	>	return CurrentTime - target_p->connection->last_privmsg;
1055
1056	<	/*
1057	<	* Client just changing his/her nick. If he/she is
1058	<	* on a channel, send note of change to all clients
1248	<	* on that channel. Propagate notice to other servers.
1249	<	*/
1250	<	if ((source_p->localClient->last_nick_change +
1251	<	ConfigFileEntry.max_nick_time) < CurrentTime)
1252	<	source_p->localClient->number_of_nick_changes = 0;
1253	<	source_p->localClient->last_nick_change = CurrentTime;
1254	<	source_p->localClient->number_of_nick_changes++;
1255	<
1256	<	if ((ConfigFileEntry.anti_nick_flood &&
1257	<	(source_p->localClient->number_of_nick_changes
1258	<	<= ConfigFileEntry.max_nick_changes)) ||
1259	<	!ConfigFileEntry.anti_nick_flood ||
1260	<	(IsOper(source_p) && ConfigFileEntry.no_oper_flood))
1261	<	{
1262	<	samenick = !irccmp(source_p->name, nick);
1056	>	if (HasUMode(source_p, UMODE_OPER) &&
1057	>	!(class->flags & CLASS_FLAGS_HIDE_IDLE_FROM_OPERS))
1058	>	return CurrentTime - target_p->connection->last_privmsg;
1059
1060	<	if (!samenick)
1061	<	{
1266	<	source_p->tsinfo = CurrentTime;
1267	<	clear_ban_cache_client(source_p);
1268	<	watch_check_hash(source_p, RPL_LOGOFF);
1060	>	min_idle = class->min_idle;
1061	>	max_idle = class->max_idle;
1062
1063	<	if (HasUMode(source_p, UMODE_REGISTERED))
1064	<	{
1272	<	unsigned int oldmodes = source_p->umodes;
1273	<	char modebuf[IRCD_BUFSIZE] = { '\0' };
1274	<
1275	<	DelUMode(source_p, UMODE_REGISTERED);
1276	<	send_umode(source_p, source_p, oldmodes, 0xffffffff, modebuf);
1277	<	}
1278	<	}
1063	>	if (min_idle == max_idle)
1064	>	return min_idle;
1065
1066	<	/* XXX - the format of this notice should eventually be changed
1067	<	* to either %s[%s@%s], or even better would be get_client_name() -bill
1068	<	*/
1069	<	sendto_realops_flags(UMODE_NCHANGE, L_ALL, "Nick change: From %s to %s [%s@%s]",
1284	<	source_p->name, nick, source_p->username, source_p->host);
1285	<	sendto_common_channels_local(source_p, 1, ":%s!%s@%s NICK :%s",
1286	<	source_p->name, source_p->username,
1287	<	source_p->host, nick);
1288	<	add_history(source_p, 1);
1066	>	if (class->flags & CLASS_FLAGS_RANDOM_IDLE)
1067	>	idle = genrand_int32();
1068	>	else
1069	>	idle = CurrentTime - target_p->connection->last_privmsg;
1070
1071	<	sendto_server(client_p, NULL, CAP_TS6, NOCAPS,
1072	<	":%s NICK %s :%lu",
1073	<	ID(source_p), nick, (unsigned long)source_p->tsinfo);
1074	<	sendto_server(client_p, NULL, NOCAPS, CAP_TS6,
1294	<	":%s NICK %s :%lu",
1295	<	source_p->name, nick, (unsigned long)source_p->tsinfo);
1071	>	if (!max_idle)
1072	>	idle = 0;
1073	>	else
1074	>	idle %= max_idle;
1075
1076	<	hash_del_client(source_p);
1077	<	strcpy(source_p->name, nick);
1299	<	hash_add_client(source_p);
1076	>	if (idle < min_idle)
1077	>	idle = min_idle + (idle % (max_idle - min_idle));
1078
1079	<	if (!samenick)
1080	<	watch_check_hash(source_p, RPL_LOGON);
1079	>	return idle;
1080	>	}
1081
1082	<	/* fd_desc is long enough */
1083	<	fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1084	<	}
1085	<	else
1086	<	sendto_one(source_p, form_str(ERR_NICKTOOFAST),
1087	<	me.name, source_p->name, source_p->name,
1088	<	nick, ConfigFileEntry.max_nick_time);
1082	>	/* client_init()
1083	>	*
1084	>	* inputs       - NONE
1085	>	* output       - NONE
1086	>	* side effects - initialize client free memory
1087	>	*/
1088	>	void
1089	>	client_init(void)
1090	>	{
1091	>	static struct event event_ping =
1092	>	{
1093	>	.name = "check_pings",
1094	>	.handler = check_pings,
1095	>	.when = 5
1096	>	};
1097	>
1098	>	client_pool = mp_pool_new(sizeof(struct Client), MP_CHUNK_SIZE_CLIENT);
1099	>	connection_pool = mp_pool_new(sizeof(struct Connection), MP_CHUNK_SIZE_CONNECTION);
1100	>	event_add(&event_ping, NULL);
1101		}

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