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

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ircd-hybrid-7.3/src/s_user.c (file contents), Revision 1080 by michael, Wed Mar 10 23:09:36 2010 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 4209 by michael, Sat Jul 12 18:15:19 2014 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  s_user.c: User related functions.
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2002 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2014 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 18 | Line 17
17		*  along with this program; if not, write to the Free Software
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file s_user.c
23	>	* \brief User related functions.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
28		#include "list.h"
29	<	#include "s_user.h"
28	<	#include "s_misc.h"
29	>	#include "user.h"
30		#include "channel.h"
31		#include "channel_mode.h"
32		#include "client.h"
32	–	#include "common.h"
33	–	#include "fdlist.h"
33		#include "hash.h"
34		#include "irc_string.h"
36	–	#include "sprintf_irc.h"
37	–	#include "s_bsd.h"
35		#include "ircd.h"
36		#include "listener.h"
37		#include "motd.h"
38		#include "numeric.h"
39	<	#include "s_conf.h"
40	<	#include "s_log.h"
41	<	#include "s_serv.h"
39	>	#include "conf.h"
40	>	#include "log.h"
41	>	#include "server.h"
42		#include "send.h"
46	–	#include "supported.h"
47	–	#include "whowas.h"
43		#include "memory.h"
44		#include "packet.h"
45		#include "rng_mt.h"
46		#include "userhost.h"
47	<	#include "hook.h"
48	<	#include "s_misc.h"
54	<	#include "msg.h"
47	>	#include "misc.h"
48	>	#include "parse.h"
49		#include "watch.h"
50
57	–	unsigned int MaxClientCount     = 1;
58	–	unsigned int MaxConnectionCount = 1;
59	–	struct Callback *entering_umode_cb = NULL;
60	–	struct Callback *umode_cb = NULL;
61	–
51		static char umode_buffer[IRCD_BUFSIZE];
63	–
64	–	static void user_welcome(struct Client *);
65	–	static void report_and_set_user_flags(struct Client *, const struct AccessItem *);
66	–	static int check_xline(struct Client *);
67	–	static void introduce_client(struct Client *);
52		static const char *uid_get(void);
53
54		/* Used for building up the isupport string,
55		* used with init_isupport, add_isupport, delete_isupport
56		*/
57	<
74	<	struct Isupport
57	>	struct Isupport
58		{
59		dlink_node node;
60		char *name;
#	Line 79 | Line 62 | struct Isupport
62		int number;
63		};
64
65	<	static dlink_list support_list = { NULL, NULL, 0 };
66	<	MessageFile *isupportFile;
65	>	static dlink_list support_list;
66	>	static dlink_list support_list_lines;
67
68		/* memory is cheap. map 0-255 to equivalent mode */
69	<	unsigned int user_modes[256] =
69	>	const unsigned int user_modes[256] =
70		{
71		/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
72		/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
#	Line 92 | Line 75 | unsigned int user_modes[256] =
75		0,                  /* @ */
76		0,                  /* A */
77		0,                  /* B */
78	<	UMODE_CCONN_FULL,   /* C */
78	>	0,                  /* C */
79		UMODE_DEAF,         /* D */
80		0,                  /* E */
81	<	0,                  /* F */
81	>	UMODE_FARCONNECT,   /* F */
82		UMODE_SOFTCALLERID, /* G */
83	<	0,                  /* H */
83	>	UMODE_HIDDEN,       /* H */
84		0,                  /* I */
85		0,                  /* J */
86		0,                  /* K */
#	Line 107 | Line 90 | unsigned int user_modes[256] =
90		0,                  /* O */
91		0,                  /* P */
92		0,                  /* Q */
93	<	0,                  /* R */
94	<	0,                  /* S */
93	>	UMODE_REGONLY,      /* R */
94	>	UMODE_SSL,          /* S */
95		0,                  /* T */
96		0,                  /* U */
97		0,                  /* V */
98	<	0,                  /* W */
98	>	UMODE_WEBIRC,       /* W */
99		0,                  /* X */
100		0,                  /* Y */
101		0,                  /* Z 0x5A */
102	<	0, 0, 0, 0, 0,      /* 0x5F   */
102	>	0, 0, 0, 0, 0,      /* 0x5F   */
103		0,                  /* 0x60   */
104		UMODE_ADMIN,        /* a */
105		UMODE_BOTS,         /* b */
106		UMODE_CCONN,        /* c */
107		UMODE_DEBUG,        /* d */
108	<	0,                  /* e */
108	>	UMODE_EXTERNAL,     /* e */
109		UMODE_FULL,         /* f */
110		UMODE_CALLERID,     /* g */
111		0,                  /* h */
112		UMODE_INVISIBLE,    /* i */
113	<	0,                  /* j */
113	>	UMODE_REJ,          /* j */
114		UMODE_SKILL,        /* k */
115		UMODE_LOCOPS,       /* l */
116		0,                  /* m */
117		UMODE_NCHANGE,      /* n */
118		UMODE_OPER,         /* o */
119	<	0,                  /* p */
120	<	0,                  /* q */
121	<	UMODE_REJ,          /* r */
119	>	UMODE_HIDECHANS,    /* p */
120	>	UMODE_HIDEIDLE,     /* q */
121	>	UMODE_REGISTERED,   /* r */
122		UMODE_SERVNOTICE,   /* s */
123		0,                  /* t */
124		UMODE_UNAUTH,       /* u */
125		0,                  /* v */
126		UMODE_WALLOP,       /* w */
127	<	UMODE_EXTERNAL,     /* x */
127	>	UMODE_HIDDENHOST,   /* x */
128		UMODE_SPY,          /* y */
129	<	UMODE_OPERWALL,     /* z      0x7A */
129	>	0,                  /* z      0x7A */
130		0,0,0,0,0,          /* 0x7B - 0x7F */
131
132		/* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
#	Line 176 | Line 159 | assemble_umode_buffer(void)
159		* side effects - display to client user counts etc.
160		*/
161		void
162	<	show_lusers(struct Client *source_p)
162	>	show_lusers(struct Client *source_p)
163		{
164	<	const char *from, *to;
164	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
165	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total-Count.invisi),
166	>	Count.invisi, dlink_list_length(&global_server_list));
167	>	else
168	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT,
169	>	(Count.total - Count.invisi), Count.invisi, 1);
170
171	<	if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
171	>	if (Count.oper)
172	>	sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
173	>
174	>	if (dlink_list_length(&unknown_list))
175	>	sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
176	>
177	>	if (dlink_list_length(&channel_list))
178	>	sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
179	>
180	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
181		{
182	<	from = me.id;
183	<	to = source_p->id;
182	>	sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
183	>	sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
184		}
185		else
186		{
187	<	from = me.name;
188	<	to = source_p->name;
187	>	sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
188	>	sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
189		}
190
191	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
195	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT),
196	<	from, to, (Count.total-Count.invisi),
197	<	Count.invisi, dlink_list_length(&global_serv_list));
198	<	else
199	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
200	<	(Count.total-Count.invisi), Count.invisi, 1);
191	>	sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
192
193	<	if (Count.oper > 0)
194	<	sendto_one(source_p, form_str(RPL_LUSEROP),
195	<	from, to, Count.oper);
205	<
206	<	if (dlink_list_length(&unknown_list) > 0)
207	<	sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
208	<	from, to, dlink_list_length(&unknown_list));
209	<
210	<	if (dlink_list_length(&global_channel_list) > 0)
211	<	sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
212	<	from, to, dlink_list_length(&global_channel_list));
213	<
214	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
215	<	{
216	<	sendto_one(source_p, form_str(RPL_LUSERME),
217	<	from, to, Count.local, Count.myserver);
218	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
219	<	from, to, Count.local, Count.max_loc,
220	<	Count.local, Count.max_loc);
221	<	}
222	<	else
223	<	{
224	<	sendto_one(source_p, form_str(RPL_LUSERME),
225	<	from, to, Count.total, 0);
226	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
227	<	from, to, Count.total, Count.max_tot,
228	<	Count.total, Count.max_tot);
229	<	}
230	<
231	<	sendto_one(source_p, form_str(RPL_GLOBALUSERS),
232	<	from, to, Count.total, Count.max_tot,
233	<	Count.total, Count.max_tot);
234	<
235	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
236	<	sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
237	<	MaxConnectionCount, MaxClientCount, Count.totalrestartcount);
193	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
194	>	sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
195	>	Count.max_loc_cli, Count.totalrestartcount);
196
197	<	if (Count.local > MaxClientCount)
198	<	MaxClientCount = Count.local;
197	>	if (Count.local > Count.max_loc_cli)
198	>	Count.max_loc_cli = Count.local;
199
200	<	if ((Count.local + Count.myserver) > MaxConnectionCount)
201	<	MaxConnectionCount = Count.local + Count.myserver;
200	>	if ((Count.local + Count.myserver) > Count.max_loc_con)
201	>	Count.max_loc_con = Count.local + Count.myserver;
202		}
203
204		/* show_isupport()
#	Line 250 | Line 208 | show_lusers(struct Client *source_p)
208		* side effects - display to client what we support (for them)
209		*/
210		void
211	<	show_isupport(struct Client *source_p)
211	>	show_isupport(struct Client *source_p)
212		{
213	<	send_message_file(source_p, isupportFile);
213	>	const dlink_node *ptr = NULL;
214	>
215	>	DLINK_FOREACH(ptr, support_list_lines.head)
216	>	sendto_one_numeric(source_p, &me, RPL_ISUPPORT, ptr->data);
217		}
218
219	<	/*
220	<	** register_local_user
221	<	**      This function is called when both NICK and USER messages
222	<	**      have been accepted for the client, in whatever order. Only
223	<	**      after this, is the USER message propagated.
224	<	**
225	<	**      NICK's must be propagated at once when received, although
226	<	**      it would be better to delay them too until full info is
227	<	**      available. Doing it is not so simple though, would have
228	<	**      to implement the following:
229	<	**
230	<	**      (actually it has been implemented already for a while) -orabidoo
231	<	**
232	<	**      1) user telnets in and gives only "NICK foobar" and waits
233	<	**      2) another user far away logs in normally with the nick
234	<	**         "foobar" (quite legal, as this server didn't propagate
235	<	**         it).
236	<	**      3) now this server gets nick "foobar" from outside, but
237	<	**         has alread the same defined locally. Current server
238	<	**         would just issue "KILL foobar" to clean out dups. But,
239	<	**         this is not fair. It should actually request another
240	<	**         nick from local user or kill him/her...
241	<	*/
219	>
220	>	/* report_and_set_user_flags()
221	>	*
222	>	* inputs       - pointer to source_p
223	>	*              - pointer to conf for this user
224	>	* output       - NONE
225	>	* side effects - Report to user any special flags
226	>	*                they are getting, and set them.
227	>	*/
228	>	static void
229	>	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
230	>	{
231	>	/* If this user is being spoofed, tell them so */
232	>	if (IsConfDoSpoofIp(conf))
233	>	sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
234	>
235	>	/* If this user is in the exception class, Set it "E lined" */
236	>	if (IsConfExemptKline(conf))
237	>	{
238	>	SetExemptKline(source_p);
239	>	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D/G lines. Congrats.");
240	>	}
241	>
242	>	/*
243	>	* The else here is to make sure that G line exempt users
244	>	* do not get noticed twice.
245	>	*/
246	>	else if (IsConfExemptGline(conf))
247	>	{
248	>	SetExemptGline(source_p);
249	>	sendto_one_notice(source_p, &me, ":*** You are exempt from G lines. Congrats.");
250	>	}
251	>
252	>	if (IsConfExemptResv(conf))
253	>	{
254	>	SetExemptResv(source_p);
255	>	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
256	>	}
257	>
258	>	/* If this user is exempt from user limits set it "F lined" */
259	>	if (IsConfExemptLimits(conf))
260	>	{
261	>	SetExemptLimits(source_p);
262	>	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
263	>	}
264	>
265	>	if (IsConfCanFlood(conf))
266	>	{
267	>	SetCanFlood(source_p);
268	>	sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
269	>	"protection, aren't you fearsome.");
270	>	}
271	>	}
272	>
273	>	/* introduce_client()
274	>	*
275	>	* inputs       - source_p
276	>	* output       - NONE
277	>	* side effects - This common function introduces a client to the rest
278	>	*                of the net, either from a local client connect or
279	>	*                from a remote connect.
280	>	*/
281	>	static void
282	>	introduce_client(struct Client *source_p)
283	>	{
284	>	dlink_node *ptr = NULL;
285	>	char ubuf[IRCD_BUFSIZE] = "";
286	>
287	>	if (MyClient(source_p))
288	>	send_umode(source_p, source_p, 0, ubuf);
289	>	else
290	>	send_umode(NULL, source_p, 0, ubuf);
291	>
292	>	watch_check_hash(source_p, RPL_LOGON);
293	>
294	>	if (ubuf[0] == '\0')
295	>	{
296	>	ubuf[0] = '+';
297	>	ubuf[1] = '\0';
298	>	}
299	>
300	>	DLINK_FOREACH(ptr, serv_list.head)
301	>	{
302	>	struct Client *server = ptr->data;
303	>
304	>	if (server == source_p->from)
305	>	continue;
306	>
307	>	if (IsCapable(server, CAP_SVS))
308	>	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
309	>	source_p->servptr->id,
310	>	source_p->name, source_p->hopcount+1,
311	>	(unsigned long)source_p->tsinfo,
312	>	ubuf, source_p->username, source_p->host,
313	>	(MyClient(source_p) && IsIPSpoof(source_p)) ?
314	>	"0" : source_p->sockhost, source_p->id,
315	>	source_p->svid,
316	>	source_p->info);
317	>	else
318	>	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
319	>	source_p->servptr->id,
320	>	source_p->name, source_p->hopcount+1,
321	>	(unsigned long)source_p->tsinfo,
322	>	ubuf, source_p->username, source_p->host,
323	>	(MyClient(source_p) && IsIPSpoof(source_p)) ?
324	>	"0" : source_p->sockhost, source_p->id, source_p->info);
325	>
326	>	if (!EmptyString(source_p->certfp))
327	>	sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
328	>	}
329	>	}
330	>
331	>	/* user_welcome()
332	>	*
333	>	* inputs       - client pointer to client to welcome
334	>	* output       - NONE
335	>	* side effects -
336	>	*/
337	>	static void
338	>	user_welcome(struct Client *source_p)
339	>	{
340	>	#if defined(__TIME__) && defined(__DATE__)
341	>	static const char built_date[] = __DATE__ " at " __TIME__;
342	>	#else
343	>	static const char built_date[] = "unknown";
344	>	#endif
345	>
346	>	#ifdef HAVE_LIBCRYPTO
347	>	if (HasFlag(source_p, FLAGS_SSL))
348	>	{
349	>	AddUMode(source_p, UMODE_SSL);
350	>	sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
351	>	ssl_get_cipher(source_p->localClient->fd.ssl));
352	>	}
353	>	#endif
354	>
355	>	sendto_one_numeric(source_p, &me, RPL_WELCOME, ServerInfo.network_name,
356	>	source_p->name);
357	>	sendto_one_numeric(source_p, &me, RPL_YOURHOST,
358	>	get_listener_name(source_p->localClient->listener), ircd_version);
359	>	sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
360	>	sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
361	>	show_isupport(source_p);
362	>
363	>	if (source_p->id[0])
364	>	sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
365	>
366	>	show_lusers(source_p);
367	>	motd_signon(source_p);
368	>	}
369	>
370	>	/* check_xline()
371	>	*
372	>	* inputs       - pointer to client to test
373	>	* outupt       - 1 if exiting 0 if ok
374	>	* side effects -
375	>	*/
376	>	static int
377	>	check_xline(struct Client *source_p)
378	>	{
379	>	struct MaskItem *conf = NULL;
380	>	const char *reason = NULL;
381	>
382	>	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
383	>	{
384	>	++conf->count;
385	>
386	>	if (conf->reason)
387	>	reason = conf->reason;
388	>	else
389	>	reason = CONF_NOREASON;
390	>
391	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
392	>	"X-line Rejecting [%s] [%s], user %s [%s]",
393	>	source_p->info, reason,
394	>	get_client_name(source_p, HIDE_IP),
395	>	source_p->sockhost);
396	>
397	>	++ServerStats.is_ref;
398	>	exit_client(source_p, "Bad user info");
399	>	return 1;
400	>	}
401	>
402	>	return 0;
403	>	}
404	>
405	>	/*! \brief This function is called when both NICK and USER messages
406	>	*      have been accepted for the client, in whatever order. Only
407	>	*      after this, is the UID message propagated.
408	>	* \param source_p Pointer to given client to introduce
409	>	*/
410		void
411		register_local_user(struct Client *source_p)
412		{
413	<	const struct AccessItem *aconf = NULL;
414	<	dlink_node *ptr = NULL;
286	<	dlink_node *m = NULL;
413	>	const char *id = NULL;
414	>	const struct MaskItem *conf = NULL;
415
288	–	assert(source_p != NULL);
416		assert(source_p == source_p->from);
417		assert(MyConnect(source_p));
418		assert(!source_p->localClient->registration);
#	Line 294 | Line 421 | register_local_user(struct Client *sourc
421
422		if (ConfigFileEntry.ping_cookie)
423		{
424	<	if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
424	>	if (!IsPingSent(source_p) && !source_p->localClient->random_ping)
425		{
426		do
427		source_p->localClient->random_ping = genrand_int32();
#	Line 310 | Line 437 | register_local_user(struct Client *sourc
437		return;
438		}
439
440	<	source_p->localClient->last = CurrentTime;
440	>	source_p->localClient->last_privmsg = CurrentTime;
441		/* Straight up the maximum rate of flooding... */
442		source_p->localClient->allow_read = MAX_FLOOD_BURST;
443
444	<	if (!execute_callback(client_check_cb, source_p, source_p->username))
444	>	if (!check_client(source_p))
445		return;
446
447	<	if (valid_hostname(source_p->host) == 0)
447	>	if (!valid_hostname(source_p->host))
448		{
449	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
450	<	"character in your hostname", me.name, source_p->name);
449	>	sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
450	>	"character in your hostname");
451		strlcpy(source_p->host, source_p->sockhost,
452		sizeof(source_p->host));
453		}
454
455	<	ptr   = source_p->localClient->confs.head;
329	<	aconf = map_to_conf(ptr->data);
455	>	conf = source_p->localClient->confs.head->data;
456
457		if (!IsGotId(source_p))
458		{
459	<	char username[USERLEN + 1];
459	>	char username[USERLEN + 1] = "";
460		const char *p = username;
461		unsigned int i = 0;
462
463	<	if (IsNeedIdentd(aconf))
463	>	if (IsNeedIdentd(conf))
464		{
465		++ServerStats.is_ref;
466	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
467	<	"identd to use this server", me.name, source_p->name);
468	<	exit_client(source_p, &me, "Install identd");
466	>	sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
467	>	"identd to use this server");
468	>	exit_client(source_p, "Install identd");
469		return;
470		}
471
472		strlcpy(username, source_p->username, sizeof(username));
473
474	<	if (!IsNoTilde(aconf))
474	>	if (!IsNoTilde(conf))
475		source_p->username[i++] = '~';
476
477		for (; *p && i < USERLEN; ++p)
478	<	if (*p != '[')
353	<	source_p->username[i++] = *p;
478	>	source_p->username[i++] = *p;
479
480		source_p->username[i] = '\0';
481		}
482
483	<	/* password check */
484	<	if (!EmptyString(aconf->passwd))
483	>	/* Password check */
484	>	if (!EmptyString(conf->passwd))
485		{
486	<	const char *pass = source_p->localClient->passwd;
362	<
363	<	if (!match_conf_password(pass, aconf))
486	>	if (!match_conf_password(source_p->localClient->passwd, conf))
487		{
488		++ServerStats.is_ref;
489	<	sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
490	<	me.name, source_p->name);
491	<	exit_client(source_p, &me, "Bad Password");
489	>
490	>	sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
491	>	exit_client(source_p, "Bad Password");
492		return;
493		}
494		}
495
496	<	/* don't free source_p->localClient->passwd here - it can be required
496	>	/*
497	>	* Don't free source_p->localClient->passwd here - it can be required
498		* by masked /stats I if there are auth{} blocks with need_password = no;
499		* --adx
500		*/
501
502	<	/* report if user has &^>= etc. and set flags as needed in source_p */
503	<	report_and_set_user_flags(source_p, aconf);
502	>	/*
503	>	* Report if user has &^>= etc. and set flags as needed in source_p
504	>	*/
505	>	report_and_set_user_flags(source_p, conf);
506
507		if (IsDead(source_p))
508		return;
509
510	<	/* Limit clients -
510	>	/*
511	>	* Limit clients -
512		* We want to be able to have servers and F-line clients
513		* connect, so save room for "buffer" connections.
514		* Smaller servers may want to decrease this, and it should
515		* probably be just a percentage of the MAXCLIENTS...
516		*   -Taner
517		*/
391	–	/* Except "F:" clients */
518		if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
519		(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
520		{
521	<	sendto_realops_flags(UMODE_FULL, L_ALL,
521	>	sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
522		"Too many clients, rejecting %s[%s].",
523		source_p->name, source_p->host);
524		++ServerStats.is_ref;
525	<	exit_client(source_p, &me, "Sorry, server is full - try later");
525	>	exit_client(source_p, "Sorry, server is full - try later");
526		return;
527		}
528
529	<	/* valid user name check */
404	<	if (valid_username(source_p->username) == 0)
529	>	if (!valid_username(source_p->username, 1))
530		{
531	<	char tmpstr2[IRCD_BUFSIZE];
531	>	char buf[IRCD_BUFSIZE] = "";
532
533	<	sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
533	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
534	>	"Invalid username: %s (%s@%s)",
535		source_p->name, source_p->username, source_p->host);
536		++ServerStats.is_ref;
537	<	ircsprintf(tmpstr2, "Invalid username [%s]", source_p->username);
538	<	exit_client(source_p, &me, tmpstr2);
537	>	snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
538	>	exit_client(source_p, buf);
539		return;
540		}
541
542		if (check_xline(source_p))
543		return;
544
545	<	if (me.id[0])
546	<	{
421	<	const char *id = NULL;
545	>	while (hash_find_id((id = uid_get())))
546	>	;
547
548	<	while (hash_find_id((id = uid_get())) != NULL)
549	<	;
548	>	strlcpy(source_p->id, id, sizeof(source_p->id));
549	>	hash_add_id(source_p);
550
551	<	strlcpy(source_p->id, id, sizeof(source_p->id));
552	<	hash_add_id(source_p);
428	<	}
429	<
430	<	sendto_realops_flags(UMODE_CCONN, L_ALL,
431	<	"Client connecting: %s (%s@%s) [%s] {%s} [%s]",
551	>	sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
552	>	"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
553		source_p->name, source_p->username, source_p->host,
554		ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
555		"255.255.255.255" : source_p->sockhost,
556	<	get_client_class(source_p),
557	<	source_p->info);
437	<
438	<	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL,
439	<	"CLICONN %s %s %s %s %s %s %s 0 %s",
440	<	source_p->name, source_p->username, source_p->host,
441	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
442	<	"255.255.255.255" : source_p->sockhost,
443	<	get_client_class(source_p),
444	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
445	<	"<hidden>" : source_p->client_host,
446	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
447	<	"<hidden>" : source_p->client_server,
448	<	source_p->info);
449	<
556	>	get_client_class(&source_p->localClient->confs),
557	>	source_p->info, source_p->id);
558
559		if (ConfigFileEntry.invisible_on_connect)
560		{
561	<	source_p->umodes |= UMODE_INVISIBLE;
561	>	AddUMode(source_p, UMODE_INVISIBLE);
562		++Count.invisi;
563		}
564
565	<	if ((++Count.local) > Count.max_loc)
565	>	if (++Count.local > Count.max_loc)
566		{
567		Count.max_loc = Count.local;
568
569		if (!(Count.max_loc % 10))
570	<	sendto_realops_flags(UMODE_ALL, L_ALL, "New Max Local Clients: %d",
570	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
571	>	"New Max Local Clients: %d",
572		Count.max_loc);
573		}
574
466	–	/* Increment our total user count here */
575		if (++Count.total > Count.max_tot)
576		Count.max_tot = Count.total;
577		++Count.totalrestartcount;
#	Line 471 | Line 579 | register_local_user(struct Client *sourc
579		assert(source_p->servptr == &me);
580		SetClient(source_p);
581		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
582	+	dlinkAdd(source_p, &source_p->node, &global_client_list);
583
584	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
584	>	assert(dlinkFind(&unknown_list, source_p));
585
586	<	assert(dlinkFindDelete(&unknown_list, source_p));
587	<
479	<	if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
480	<	{
481	<	free_dlink_node(m);
482	<	dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
483	<	}
586	>	dlink_move_node(&source_p->localClient->lclient_node,
587	>	&unknown_list, &local_client_list);
588
589		user_welcome(source_p);
590		add_user_host(source_p->username, source_p->host, 0);
#	Line 495 | Line 599 | register_local_user(struct Client *sourc
599		*              - username to register as
600		*              - host name to register as
601		*              - server name
498	–	*              - realname (gecos)
602		* output       - NONE
603		* side effects - This function is called when a remote client
604		*                is introduced by a server.
605		*/
606		void
607	<	register_remote_user(struct Client *source_p,
505	<	const char *username, const char *host, const char *server,
506	<	const char *realname)
607	>	register_remote_user(struct Client *source_p)
608		{
609		struct Client *target_p = NULL;
610
510	–	assert(source_p != NULL);
511	–	assert(source_p->username != username);
512	–
513	–	strlcpy(source_p->host, host, sizeof(source_p->host));
514	–	strlcpy(source_p->username, username, sizeof(source_p->username));
515	–
516	–	/*
517	–	* coming from another server, take the servers word for it
518	–	*/
519	–	source_p->servptr = find_server(server);
520	–
521	–	/* Super GhostDetect:
522	–	* If we can't find the server the user is supposed to be on,
523	–	* then simply blow the user away.        -Taner
524	–	*/
525	–	if (source_p->servptr == NULL)
526	–	{
527	–	sendto_realops_flags(UMODE_ALL, L_ALL,
528	–	"No server %s for user %s[%s@%s] from %s",
529	–	server, source_p->name, source_p->username,
530	–	source_p->host, source_p->from->name);
531	–	kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
532	–
533	–	SetKilled(source_p);
534	–	exit_client(source_p, &me, "Ghosted Client");
535	–	return;
536	–	}
537	–
611		if ((target_p = source_p->servptr) && target_p->from != source_p->from)
612		{
613	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
613	>	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
614		"Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
615		source_p->from->name, source_p->name, source_p->username,
616		source_p->host, source_p->servptr->name,
617		target_p->name, target_p->from->name);
618	<	kill_client(source_p->from, source_p,
619	<	"%s (NICK from wrong direction (%s != %s))",
620	<	me.name, source_p->servptr->name, target_p->from->name);
621	<	SetKilled(source_p);
622	<	exit_client(source_p, &me, "USER server wrong direction");
618	>	sendto_one(source_p->from,
619	>	":%s KILL %s :%s (NICK from wrong direction (%s != %s))",
620	>	me.id, source_p->id, me.name, source_p->servptr->name,
621	>	target_p->from->name);
622	>
623	>	AddFlag(source_p, FLAGS_KILLED);
624	>	exit_client(source_p, "USER server wrong direction");
625		return;
626		}
627
628	<	/* Increment our total user count here */
628	>	/*
629	>	* If the nick has been introduced by a services server,
630	>	* make it a service as well.
631	>	*/
632	>	if (HasFlag(source_p->servptr, FLAGS_SERVICE))
633	>	AddFlag(source_p, FLAGS_SERVICE);
634	>
635		if (++Count.total > Count.max_tot)
636		Count.max_tot = Count.total;
637
638		SetClient(source_p);
639		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
640	+	dlinkAdd(source_p, &source_p->node, &global_client_list);
641		add_user_host(source_p->username, source_p->host, 1);
642		SetUserHost(source_p);
643
644	<	introduce_client(source_p);
645	<	}
646	<
647	<	/* introduce_client()
648	<	*
649	<	* inputs       - source_p
568	<	* output       - NONE
569	<	* side effects - This common function introduces a client to the rest
570	<	*                of the net, either from a local client connect or
571	<	*                from a remote connect.
572	<	*/
573	<	static void
574	<	introduce_client(struct Client *source_p)
575	<	{
576	<	dlink_node *server_node = NULL;
577	<	static char ubuf[12];
578	<
579	<	if (MyClient(source_p))
580	<	send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
581	<	else
582	<	send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
583	<
584	<	watch_check_hash(source_p, RPL_LOGON);
585	<
586	<	if (*ubuf == '\0')
587	<	{
588	<	ubuf[0] = '+';
589	<	ubuf[1] = '\0';
590	<	}
644	>	if (HasFlag(source_p->servptr, FLAGS_EOB))
645	>	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
646	>	"Client connecting at %s: %s (%s@%s) [%s] <%s>",
647	>	source_p->servptr->name,
648	>	source_p->name, source_p->username, source_p->host,
649	>	source_p->info, source_p->id);
650
651	<	DLINK_FOREACH(server_node, serv_list.head)
593	<	{
594	<	struct Client *server = server_node->data;
595	<
596	<	if (server == source_p->from)
597	<	continue;
598	<
599	<	if (IsCapable(server, CAP_TS6) && HasID(source_p))
600	<	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
601	<	source_p->servptr->id,
602	<	source_p->name, source_p->hopcount+1,
603	<	(unsigned long)source_p->tsinfo,
604	<	ubuf, source_p->username, source_p->host,
605	<	(MyClient(source_p) && IsIPSpoof(source_p)) ?
606	<	"0" : source_p->sockhost, source_p->id, source_p->info);
607	<	else
608	<	sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
609	<	source_p->name, source_p->hopcount+1,
610	<	(unsigned long)source_p->tsinfo,
611	<	ubuf, source_p->username, source_p->host,
612	<	source_p->servptr->name, source_p->info);
613	<	}
651	>	introduce_client(source_p);
652		}
653
654		/* valid_hostname()
#	Line 627 | Line 665 | valid_hostname(const char *hostname)
665		{
666		const char *p = hostname;
667
668	<	assert(p != NULL);
668	>	assert(p);
669
670	<	if (*p == '.' || *p == ':')
670	>	if (EmptyString(p) || *p == '.' || *p == ':')
671		return 0;
672
673		for (; *p; ++p)
674		if (!IsHostChar(*p))
675		return 0;
676
677	<	return 1;
677	>	return p - hostname <= HOSTLEN;
678		}
679
680		/* valid_username()
#	Line 651 | Line 689 | valid_hostname(const char *hostname)
689		* style of username
690		*/
691		int
692	<	valid_username(const char *username)
692	>	valid_username(const char *username, const int local)
693		{
694	<	int dots      = 0;
694	>	unsigned int dots = 0;
695		const char *p = username;
696
697	<	assert(p != NULL);
697	>	assert(p);
698
699		if (*p == '~')
700		++p;
701
702	<	/* reject usernames that don't start with an alphanum
702	>	/*
703	>	* Reject usernames that don't start with an alphanum
704		* i.e. reject jokers who have '-@somehost' or '.@somehost'
705		* or "-hi-@somehost", "h-----@somehost" would still be accepted.
706		*/
707		if (!IsAlNum(*p))
708		return 0;
709
710	<	while (*++p)
710	>	if (local)
711		{
712	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
712	>	while (*++p)
713		{
714	<	if (++dots > ConfigFileEntry.dots_in_ident)
715	<	return 0;
716	<	if (!IsUserChar(*(p + 1)))
714	>	if (*p == '.' && ConfigFileEntry.dots_in_ident)
715	>	{
716	>	if (++dots > ConfigFileEntry.dots_in_ident)
717	>	return 0;
718	>	if (!IsUserChar(*(p + 1)))
719	>	return 0;
720	>	}
721	>	else if (!IsUserChar(*p))
722		return 0;
723		}
680	–	else if (!IsUserChar(*p))
681	–	return 0;
724		}
725	<
684	<	return 1;
685	<	}
686	<
687	<	/* report_and_set_user_flags()
688	<	*
689	<	* inputs       - pointer to source_p
690	<	*              - pointer to aconf for this user
691	<	* output       - NONE
692	<	* side effects - Report to user any special flags
693	<	*                they are getting, and set them.
694	<	*/
695	<	static void
696	<	report_and_set_user_flags(struct Client *source_p, const struct AccessItem *aconf)
697	<	{
698	<	/* If this user is being spoofed, tell them so */
699	<	if (IsConfDoSpoofIp(aconf))
700	<	{
701	<	sendto_one(source_p,
702	<	":%s NOTICE %s :*** Spoofing your IP. congrats.",
703	<	me.name, source_p->name);
704	<	}
705	<
706	<	/* If this user is in the exception class, Set it "E lined" */
707	<	if (IsConfExemptKline(aconf))
708	<	{
709	<	SetExemptKline(source_p);
710	<	sendto_one(source_p,
711	<	":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
712	<	me.name, source_p->name);
713	<	}
714	<
715	<	/* The else here is to make sure that G line exempt users
716	<	* do not get noticed twice.
717	<	*/
718	<	else if (IsConfExemptGline(aconf))
719	<	{
720	<	SetExemptGline(source_p);
721	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
722	<	me.name, source_p->name);
723	<	}
724	<
725	<	if (IsConfExemptResv(aconf))
726	<	{
727	<	SetExemptResv(source_p);
728	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
729	<	me.name, source_p->name);
730	<	}
731	<
732	<	/* If this user is exempt from user limits set it "F lined" */
733	<	if (IsConfExemptLimits(aconf))
734	<	{
735	<	SetExemptLimits(source_p);
736	<	sendto_one(source_p,
737	<	":%s NOTICE %s :*** You are exempt from user limits. congrats.",
738	<	me.name,source_p->name);
739	<	}
740	<
741	<	/* If this user is exempt from idle time outs */
742	<	if (IsConfIdlelined(aconf))
725	>	else
726		{
727	<	SetIdlelined(source_p);
728	<	sendto_one(source_p,
729	<	":%s NOTICE %s :*** You are exempt from idle limits. congrats.",
747	<	me.name, source_p->name);
727	>	while (*++p)
728	>	if (!IsUserChar(*p))
729	>	return 0;
730		}
731
732	<	if (IsConfCanFlood(aconf))
751	<	{
752	<	SetCanFlood(source_p);
753	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
754	<	"protection, aren't you fearsome.",
755	<	me.name, source_p->name);
756	<	}
732	>	return p - username <= USERLEN;
733		}
734
735	<	/* do_local_user()
735	>	/* clean_nick_name()
736		*
737	<	* inputs       -
738	<	* output       - NONE
739	<	* side effects -
737	>	* input        - nickname
738	>	*              - whether it's a local nick (1) or remote (0)
739	>	* output       - none
740	>	* side effects - walks through the nickname, returning 0 if erroneous
741		*/
742	<	void
743	<	do_local_user(struct Client *source_p,
744	<	const char *username, const char *host, const char *server,
745	<	const char *realname)
769	<	{
770	<	assert(source_p != NULL);
771	<	assert(source_p->username != username);
772	<	assert(IsUnknown(source_p));
742	>	int
743	>	valid_nickname(const char *nickname, const int local)
744	>	{
745	>	const char *p = nickname;
746
747	<	source_p->localClient->registration &= ~REG_NEED_USER;
747	>	assert(nickname && *nickname);
748
749		/*
750	<	* don't take the clients word for it, ever
750	>	* Nicks can't start with a digit or - or be 0 length.
751		*/
752	<	source_p->servptr = &me;
753	<
781	<	strlcpy(source_p->info, realname, sizeof(source_p->info));
782	<
783	<	/* stash for later */
784	<	strlcpy(source_p->client_host, host, sizeof(source_p->client_host));
785	<	strlcpy(source_p->client_server, server, sizeof(source_p->client_server));
786	<
787	<	if (!IsGotId(source_p))
788	<	strlcpy(source_p->username, username, sizeof(source_p->username));
789	<
790	<	if (!source_p->localClient->registration)
791	<	register_local_user(source_p);
792	<	}
793	<
794	<	/* change_simple_umode()
795	<	*
796	<	* this callback can be hooked to allow special handling of
797	<	* certain usermodes
798	<	*/
799	<	static void *
800	<	change_simple_umode(va_list args)
801	<	{
802	<	struct Client *client_p;
803	<	struct Client *source_p;
804	<	int what;
805	<	unsigned int flag;
806	<
807	<	client_p = va_arg(args, struct Client *);
808	<	source_p = va_arg(args, struct Client *);
809	<	what = va_arg(args, int);
810	<	flag = va_arg(args, unsigned int);
811	<
812	<	if (what == MODE_ADD)
813	<	source_p->umodes |= flag;
814	<	else
815	<	source_p->umodes &= ~flag;
816	<
817	<	return NULL;
818	<	}
819	<
820	<	/* set_user_mode()
821	<	*
822	<	* added 15/10/91 By Darren Reed.
823	<	* parv[0] - sender
824	<	* parv[1] - username to change mode for
825	<	* parv[2] - modes to change
826	<	*/
827	<	void
828	<	set_user_mode(struct Client *client_p, struct Client *source_p,
829	<	int parc, char *parv[])
830	<	{
831	<	unsigned int flag, setflags;
832	<	char **p, *m, buf[IRCD_BUFSIZE];
833	<	struct Client *target_p;
834	<	int what = MODE_ADD, badflag = 0, i;
835	<
836	<	assert(!(parc < 2));
837	<
838	<	if ((target_p = find_person(client_p, parv[1])) == NULL)
839	<	{
840	<	if (MyConnect(source_p))
841	<	sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
842	<	me.name, source_p->name, parv[1]);
843	<	return;
844	<	}
845	<
846	<	if (IsServer(source_p))
847	<	{
848	<	sendto_realops_flags(UMODE_ALL, L_ADMIN, "*** Mode for User %s from %s",
849	<	parv[1], source_p->name);
850	<	return;
851	<	}
852	<
853	<	if (source_p != target_p || target_p->from != source_p->from)
854	<	{
855	<	sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
856	<	me.name, source_p->name);
857	<	return;
858	<	}
859	<
860	<	if (parc < 3)
861	<	{
862	<	m = buf;
863	<	*m++ = '+';
864	<
865	<	for (i = 0; i < 128; i++)
866	<	if (source_p->umodes & user_modes[i])
867	<	*m++ = (char)i;
868	<	*m = '\0';
869	<
870	<	sendto_one(source_p, form_str(RPL_UMODEIS),
871	<	me.name, source_p->name, buf);
872	<	return;
873	<	}
874	<
875	<	execute_callback(entering_umode_cb, client_p, source_p);
876	<
877	<	/* find flags already set for user */
878	<	setflags = source_p->umodes;
879	<
880	<	/* parse mode change string(s) */
881	<	for (p = &parv[2]; p && *p; p++)
882	<	{
883	<	for (m = *p; *m; m++)
884	<	{
885	<	switch (*m)
886	<	{
887	<	case '+':
888	<	what = MODE_ADD;
889	<	break;
890	<	case '-':
891	<	what = MODE_DEL;
892	<	break;
893	<	case 'o':
894	<	if (what == MODE_ADD)
895	<	{
896	<	if (IsServer(client_p) && !IsOper(source_p))
897	<	{
898	<	++Count.oper;
899	<	SetOper(source_p);
900	<	}
901	<	}
902	<	else
903	<	{
904	<	/* Only decrement the oper counts if an oper to begin with
905	<	* found by Pat Szuta, Perly , perly@xnet.com
906	<	*/
907	<	if (!IsOper(source_p))
908	<	break;
909	<
910	<	ClearOper(source_p);
911	<	source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
912	<	Count.oper--;
913	<
914	<	if (MyConnect(source_p))
915	<	{
916	<	dlink_node *dm;
917	<
918	<	detach_conf(source_p, OPER_TYPE);
919	<	ClearOperFlags(source_p);
920	<
921	<	if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
922	<	free_dlink_node(dm);
923	<	}
924	<	}
925	<
926	<	break;
927	<
928	<	/* we may not get these,
929	<	* but they shouldnt be in default
930	<	*/
931	<	case ' ' :
932	<	case '\n':
933	<	case '\r':
934	<	case '\t':
935	<	break;
936	<
937	<	default:
938	<	if ((flag = user_modes[(unsigned char)*m]))
939	<	{
940	<	if (MyConnect(source_p) && !IsOper(source_p) &&
941	<	(ConfigFileEntry.oper_only_umodes & flag))
942	<	{
943	<	badflag = 1;
944	<	}
945	<	else
946	<	execute_callback(umode_cb, client_p, source_p, what, flag);
947	<	}
948	<	else
949	<	{
950	<	if (MyConnect(source_p))
951	<	badflag = 1;
952	<	}
953	<
954	<	break;
955	<	}
956	<	}
957	<	}
958	<
959	<	if (badflag)
960	<	sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
961	<	me.name, source_p->name);
962	<
963	<	if ((source_p->umodes & UMODE_NCHANGE) && !IsOperN(source_p))
964	<	{
965	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
966	<	me.name, source_p->name);
967	<	source_p->umodes &= ~UMODE_NCHANGE; /* only tcm's really need this */
968	<	}
969	<
970	<	if (MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
971	<	!IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
972	<	{
973	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
974	<	me.name, source_p->name);
975	<	source_p->umodes &= ~UMODE_ADMIN;
976	<	}
752	>	if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
753	>	return 0;
754
755	<	if (!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
756	<	++Count.invisi;
757	<	if ((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
981	<	--Count.invisi;
755	>	for (; *p; ++p)
756	>	if (!IsNickChar(*p))
757	>	return 0;
758
759	<	/*
984	<	* compare new flags with old flags and send string which
985	<	* will cause servers to update correctly.
986	<	*/
987	<	send_umode_out(client_p, source_p, setflags);
759	>	return p - nickname <= NICKLEN;
760		}
761
762		/* send_umode()
#	Line 1000 | Line 772 | set_user_mode(struct Client *client_p, s
772		*/
773		void
774		send_umode(struct Client *client_p, struct Client *source_p,
775	<	unsigned int old, unsigned int sendmask, char *umode_buf)
775	>	unsigned int old, char *umode_buf)
776		{
777		char *m = umode_buf;
778		int what = 0;
1007	–	unsigned int i;
1008	–	unsigned int flag;
779
780		/*
781	<	* build a string in umode_buf to represent the change in the user's
781	>	* Build a string in umode_buf to represent the change in the user's
782		* mode between the new (source_p->umodes) and 'old'.
783		*/
784	<	for (i = 0; i < 128; i++)
784	>	for (unsigned int i = 0; i < 128; ++i)
785		{
786	<	flag = user_modes[i];
1017	<	if (!flag)
1018	<	continue;
786	>	unsigned int flag = user_modes[i];
787
788	<	if (MyClient(source_p) && !(flag & sendmask))
788	>	if (!flag)
789		continue;
790
791	<	if ((flag & old) && !(source_p->umodes & flag))
791	>	if ((flag & old) && !HasUMode(source_p, flag))
792		{
793		if (what == MODE_DEL)
794		*m++ = (char)i;
#	Line 1031 | Line 799 | send_umode(struct Client *client_p, stru
799		*m++ = (char)i;
800		}
801		}
802	<	else if (!(flag & old) && (source_p->umodes & flag))
802	>	else if (!(flag & old) && HasUMode(source_p, flag))
803		{
804		if (what == MODE_ADD)
805		*m++ = (char)i;
#	Line 1062 | Line 830 | void
830		send_umode_out(struct Client *client_p, struct Client *source_p,
831		unsigned int old)
832		{
833	<	char buf[IRCD_BUFSIZE] = { '\0' };
1066	<	dlink_node *ptr = NULL;
833	>	char buf[IRCD_BUFSIZE] = "";
834
835	<	send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1069	<	SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
835	>	send_umode(NULL, source_p, old, buf);
836
837		if (buf[0])
838	<	{
839	<	DLINK_FOREACH(ptr, serv_list.head)
1074	<	{
1075	<	struct Client *target_p = ptr->data;
1076	<
1077	<	if ((target_p != client_p) && (target_p != source_p))
1078	<	sendto_one(target_p, ":%s MODE %s :%s",
1079	<	ID_or_name(source_p, target_p),
1080	<	ID_or_name(source_p, target_p), buf);
1081	<	}
1082	<	}
838	>	sendto_server(source_p, NOCAPS, NOCAPS, ":%s MODE %s :%s",
839	>	source_p->id, source_p->id, buf);
840
841		if (client_p && MyClient(client_p))
842	<	send_umode(client_p, source_p, old, 0xffffffff, buf);
842	>	send_umode(client_p, source_p, old, buf);
843		}
844
845	<	/* user_welcome()
846	<	*
1090	<	* inputs       - client pointer to client to welcome
1091	<	* output       - NONE
1092	<	* side effects -
1093	<	*/
1094	<	static void
1095	<	user_welcome(struct Client *source_p)
845	>	void
846	>	user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
847		{
848	<	#if defined(__TIME__) && defined(__DATE__)
1098	<	static const char built_date[] = __DATE__ " at " __TIME__;
1099	<	#else
1100	<	static const char built_date[] = "unknown";
1101	<	#endif
848	>	dlink_node *ptr = NULL;
849
850	<	#ifdef HAVE_LIBCRYPTO
851	<	if (source_p->localClient->fd.ssl != NULL)
1105	<	sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1106	<	me.name, source_p->name,
1107	<	ssl_get_cipher(source_p->localClient->fd.ssl));
1108	<	#endif
850	>	if (!strcmp(target_p->host, hostname))
851	>	return;
852
853	<	sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
854	<	ServerInfo.network_name, source_p->name);
855	<	sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
856	<	get_listener_name(source_p->localClient->listener), ircd_version);
857	<	sendto_one(source_p, form_str(RPL_CREATED),
858	<	me.name, source_p->name, built_date);
859	<	sendto_one(source_p, form_str(RPL_MYINFO),
860	<	me.name, source_p->name, me.name, ircd_version, umode_buffer);
861	<	show_isupport(source_p);
853	>	switch (what)
854	>	{
855	>	case MODE_ADD:
856	>	AddUMode(target_p, UMODE_HIDDENHOST);
857	>	AddFlag(target_p, FLAGS_IP_SPOOFING);
858	>	break;
859	>	case MODE_DEL:
860	>	DelUMode(target_p, UMODE_HIDDENHOST);
861	>
862	>	if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
863	>	DelFlag(target_p, FLAGS_IP_SPOOFING);
864	>	break;
865	>	default: return;
866	>	}
867
868	<	if (source_p->id[0] != '\0')
869	<	sendto_one(source_p, form_str(RPL_YOURID), me.name,
870	<	source_p->name, source_p->id);
868	>	if (ConfigFileEntry.cycle_on_host_change)
869	>	sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
870	>	target_p->name, target_p->username, target_p->host);
871
872	<	show_lusers(source_p);
872	>	if (IsUserHostIp(target_p))
873	>	delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
874	>
875	>	strlcpy(target_p->host, hostname, sizeof(target_p->host));
876
877	<	if (ConfigFileEntry.short_motd)
877	>	add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
878	>	SetUserHost(target_p);
879	>
880	>	if (MyClient(target_p))
881		{
882	<	sendto_one(source_p, "NOTICE %s :*** Notice -- motd was last changed at %s",
883	<	source_p->name, ConfigFileEntry.motd.lastChangedDate);
1130	<	sendto_one(source_p,
1131	<	"NOTICE %s :*** Notice -- Please read the motd if you haven't "
1132	<	"read it", source_p->name);
1133	<	sendto_one(source_p, form_str(RPL_MOTDSTART),
1134	<	me.name, source_p->name, me.name);
1135	<	sendto_one(source_p, form_str(RPL_MOTD),
1136	<	me.name, source_p->name,
1137	<	"*** This is the short motd ***");
1138	<	sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1139	<	me.name, source_p->name);
882	>	sendto_one_numeric(target_p, &me, RPL_NEWHOSTIS, target_p->host);
883	>	clear_ban_cache_client(target_p);
884		}
1141	–	else
1142	–	send_message_file(source_p, &ConfigFileEntry.motd);
1143	–	}
885
886	<	/* check_xline()
887	<	*
1147	<	* inputs       - pointer to client to test
1148	<	* outupt       - 1 if exiting 0 if ok
1149	<	* side effects -
1150	<	*/
1151	<	static int
1152	<	check_xline(struct Client *source_p)
1153	<	{
1154	<	struct ConfItem *conf = NULL;
1155	<	const char *reason = NULL;
886	>	if (!ConfigFileEntry.cycle_on_host_change)
887	>	return;
888
889	<	if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info, NULL, NULL, 0)) ||
1158	<	(conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
889	>	DLINK_FOREACH(ptr, target_p->channel.head)
890		{
891	<	struct MatchItem *reg = map_to_conf(conf);
891	>	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
892	>	char *p = modebuf;
893	>	int len = 0;
894	>	const struct Membership *ms = ptr->data;
895
896	<	++reg->count;
897	<
898	<	if (reg->reason != NULL)
899	<	reason = reg->reason;
900	<	else
1167	<	reason = "No Reason";
896	>	if (has_member_flags(ms, CHFL_CHANOP))
897	>	{
898	>	*p++ = 'o';
899	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
900	>	}
901
902	<	sendto_realops_flags(UMODE_REJ, L_ALL,
903	<	"X-line Rejecting [%s] [%s], user %s [%s]",
904	<	source_p->info, reason,
905	<	get_client_name(source_p, HIDE_IP),
906	<	source_p->sockhost);
902	>	if (has_member_flags(ms, CHFL_HALFOP))
903	>	{
904	>	*p++ = 'h';
905	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
906	>	}
907
908	<	++ServerStats.is_ref;
1176	<	if (REJECT_HOLD_TIME > 0)
908	>	if (has_member_flags(ms, CHFL_VOICE))
909		{
910	<	sendto_one(source_p, ":%s NOTICE %s :Bad user info",
911	<	me.name, source_p->name);
1180	<	source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
1181	<	SetCaptured(source_p);
910	>	*p++ = 'v';
911	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
912		}
1183	–	else
1184	–	exit_client(source_p, &me, "Bad user info");
1185	–	return 1;
1186	–	}
913
914	<	return 0;
1189	<	}
914	>	*p = '\0';
915
916	<	/* oper_up()
917	<	*
918	<	* inputs       - pointer to given client to oper
919	<	* output       - NONE
920	<	* side effects - Blindly opers up given source_p, using aconf info
921	<	*                all checks on passwords have already been done.
922	<	*                This could also be used by rsa oper routines.
916	>	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
917	>	target_p->name, target_p->username, target_p->host,
918	>	ms->chptr->chname);
919	>	if (nickbuf[0])
920	>	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
921	>	target_p->servptr->name, ms->chptr->chname,
922	>	modebuf, nickbuf);
923	>
924	>	}
925	>
926	>	if (target_p->away[0])
927	>	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
928	>	":%s!%s@%s AWAY :%s",
929	>	target_p->name, target_p->username,
930	>	target_p->host, target_p->away);
931	>	}
932	>
933	>	/*! \brief Blindly opers up given source_p, using conf info.
934	>	*         All checks on passwords have already been done.
935	>	* \param source_p Pointer to given client to oper
936		*/
937		void
938		oper_up(struct Client *source_p)
939		{
940	<	unsigned int old = source_p->umodes;
941	<	const char *operprivs = "";
1204	<	const struct AccessItem *oconf = NULL;
940	>	const unsigned int old = source_p->umodes;
941	>	const struct MaskItem *conf = source_p->localClient->confs.head->data;
942
943		assert(source_p->localClient->confs.head);
1207	–	oconf = map_to_conf((source_p->localClient->confs.head)->data);
944
945		++Count.oper;
946		SetOper(source_p);
947
948	<	if (oconf->modes)
949	<	source_p->umodes |= oconf->modes;
948	>	if (conf->modes)
949	>	AddUMode(source_p, conf->modes);
950		else if (ConfigFileEntry.oper_umodes)
951	<	source_p->umodes |= ConfigFileEntry.oper_umodes;
1216	<	else
1217	<	source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1218	<	UMODE_WALLOP|UMODE_LOCOPS);
951	>	AddUMode(source_p, ConfigFileEntry.oper_umodes);
952
953	<	if (!(old & UMODE_INVISIBLE) && IsInvisible(source_p))
953	>	if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
954		++Count.invisi;
955	<	if ((old & UMODE_INVISIBLE) && !IsInvisible(source_p))
955	>	if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
956		--Count.invisi;
957
958		assert(dlinkFind(&oper_list, source_p) == NULL);
959		dlinkAdd(source_p, make_dlink_node(), &oper_list);
960
961	<	operprivs = oper_privs_as_string(oconf->port);
961	>	AddOFlag(source_p, conf->port);
962
963	<	SetOFlag(source_p, oconf->port);
963	>	if (HasOFlag(source_p, OPER_FLAG_ADMIN))
964	>	AddUMode(source_p, UMODE_ADMIN);
965
966	<	if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
967	<	source_p->umodes |= UMODE_ADMIN;
1234	<	if (!IsOperN(source_p))
1235	<	source_p->umodes &= ~UMODE_NCHANGE;
1236	<
1237	<	sendto_realops_flags(UMODE_ALL, L_ALL, "%s (%s@%s) is now an operator",
1238	<	source_p->name, source_p->username, source_p->host);
966	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
967	>	get_oper_name(source_p));
968		send_umode_out(source_p, source_p, old);
969	<	sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1241	<	sendto_one(source_p, ":%s NOTICE %s :*** Oper privs are %s",
1242	<	me.name, source_p->name, operprivs);
1243	<	send_message_file(source_p, &ConfigFileEntry.opermotd);
969	>	sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
970		}
971
972	<	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
972	>	static char new_uid[TOTALSIDUID + 1];  /* Allow for \0 */
973
974		int
975		valid_sid(const char *sid)
976		{
1251	–
977		if (strlen(sid) == IRC_MAXSID)
978		if (IsDigit(*sid))
979		if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
#	Line 1259 | Line 984 | valid_sid(const char *sid)
984
985		/*
986		* init_uid()
987	<	*
987	>	*
988		* inputs       - NONE
989		* output       - NONE
990		* side effects - new_uid is filled in with server id portion (sid)
#	Line 1269 | Line 994 | valid_sid(const char *sid)
994		void
995		init_uid(void)
996		{
1272	–	int i;
1273	–
997		memset(new_uid, 0, sizeof(new_uid));
998
999	<	if (ServerInfo.sid != NULL)
1277	<	{
999	>	if (!EmptyString(ServerInfo.sid))
1000		strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1279	–	strlcpy(me.id, ServerInfo.sid, sizeof(me.id));
1280	–
1281	–	hash_add_id(&me);
1282	–	}
1001
1002	<	for (i = 0; i < IRC_MAXSID; i++)
1003	<	if (new_uid[i] == '\0')
1002	>	for (unsigned int i = 0; i < IRC_MAXSID; ++i)
1003	>	if (new_uid[i] == '\0')
1004		new_uid[i] = 'A';
1005
1006		/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1289	–	/* Yes nenolod, I have known it was off by one ever since I wrote it
1290	–	* But *JUST* for you, though, it really doesn't look as *pretty*
1291	–	* -Dianora
1292	–	*/
1007		memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1294	–
1295	–	entering_umode_cb = register_callback("entering_umode", NULL);
1296	–	umode_cb = register_callback("changing_umode", change_simple_umode);
1008		}
1009
1010		/*
#	Line 1305 | Line 1016 | init_uid(void)
1016		*                note this is a recursive function
1017		*/
1018		static void
1019	<	add_one_to_uid(int i)
1019	>	add_one_to_uid(unsigned int i)
1020		{
1021	<	if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
1021	>	if (i != IRC_MAXSID)  /* Not reached server SID portion yet? */
1022		{
1023		if (new_uid[i] == 'Z')
1024		new_uid[i] = '0';
1025		else if (new_uid[i] == '9')
1026		{
1027		new_uid[i] = 'A';
1028	<	add_one_to_uid(i-1);
1028	>	add_one_to_uid(i - 1);
1029		}
1030		else
1031		++new_uid[i];
#	Line 1339 | Line 1050 | add_one_to_uid(int i)
1050		static const char *
1051		uid_get(void)
1052		{
1053	<	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1053	>	add_one_to_uid(TOTALSIDUID - 1);  /* Index from 0 */
1054		return new_uid;
1055		}
1056
#	Line 1353 | Line 1064 | uid_get(void)
1064		void
1065		init_isupport(void)
1066		{
1356	–	isupportFile = init_MessageLine();
1357	–
1067		add_isupport("CALLERID", NULL, -1);
1068	<	add_isupport("CASEMAPPING", CASEMAP, -1);
1068	>	add_isupport("CASEMAPPING", "rfc1459", -1);
1069		add_isupport("DEAF", "D", -1);
1070		add_isupport("KICKLEN", NULL, KICKLEN);
1071		add_isupport("MODES", NULL, MAXMODEPARAMS);
1363	–	add_isupport("NICKLEN", NULL, NICKLEN-1);
1364	–	#ifdef HALFOPS
1072		add_isupport("PREFIX", "(ohv)@%+", -1);
1073		add_isupport("STATUSMSG", "@%+", -1);
1074	<	#else
1075	<	add_isupport("PREFIX", "(ov)@+", -1);
1369	<	add_isupport("STATUSMSG", "@+", -1);
1370	<	#endif
1371	<	add_isupport("TOPICLEN", NULL, TOPICLEN);
1074	>	add_isupport("EXCEPTS", "e", -1);
1075	>	add_isupport("INVEX", "I", -1);
1076		}
1077
1078		/*
#	Line 1384 | Line 1088 | void
1088		add_isupport(const char *name, const char *options, int n)
1089		{
1090		dlink_node *ptr;
1091	<	struct Isupport *support;
1091	>	struct Isupport *support = NULL;
1092
1093		DLINK_FOREACH(ptr, support_list.head)
1094		{
#	Line 1399 | Line 1103 | add_isupport(const char *name, const cha
1103
1104		if (ptr == NULL)
1105		{
1106	<	support = MyMalloc(sizeof(*support));
1106	>	support = MyCalloc(sizeof(*support));
1107		dlinkAddTail(support, &support->node, &support_list);
1108		}
1109
1110	<	DupString(support->name, name);
1111	<	if (options != NULL)
1112	<	DupString(support->options, options);
1110	>	support->name = xstrdup(name);
1111	>	if (options)
1112	>	support->options = xstrdup(options);
1113		support->number = n;
1114
1115		rebuild_isupport_message_line();
#	Line 1452 | Line 1156 | rebuild_isupport_message_line(void)
1156		{
1157		char isupportbuffer[IRCD_BUFSIZE];
1158		char *p = isupportbuffer;
1159	<	dlink_node *ptr = NULL;
1159	>	dlink_node *ptr = NULL, *ptr_next = NULL;
1160		int n = 0;
1161		int tokens = 0;
1162		size_t len = 0;
1163	<	size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1163	>	size_t reserve = strlen(me.name) + HOSTLEN + strlen(numeric_form(RPL_ISUPPORT));
1164
1165	<	destroy_MessageLine(isupportFile);
1165	>	DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head)
1166	>	{
1167	>	dlinkDelete(ptr, &support_list_lines);
1168	>	MyFree(ptr->data);
1169	>	free_dlink_node(ptr);
1170	>	}
1171
1172		DLINK_FOREACH(ptr, support_list.head)
1173		{
1174		struct Isupport *support = ptr->data;
1175
1176	<	p += (n = ircsprintf(p, "%s", support->name));
1176	>	p += (n = sprintf(p, "%s", support->name));
1177		len += n;
1178
1179	<	if (support->options != NULL)
1179	>	if (support->options)
1180		{
1181	<	p += (n = ircsprintf(p, "=%s", support->options));
1181	>	p += (n = sprintf(p, "=%s", support->options));
1182		len += n;
1183		}
1184
1185		if (support->number > 0)
1186		{
1187	<	p += (n = ircsprintf(p, "=%d", support->number));
1187	>	p += (n = sprintf(p, "=%d", support->number));
1188		len += n;
1189		}
1190
#	Line 1488 | Line 1197 | rebuild_isupport_message_line(void)
1197		if (*--p == ' ')
1198		*p = '\0';
1199
1200	<	addto_MessageLine(isupportFile, isupportbuffer);
1200	>	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1201		p = isupportbuffer;
1202		len = 0;
1203		n = tokens = 0;
1204		}
1205		}
1206
1207	<	if (len != 0)
1207	>	if (len)
1208		{
1209		if (*--p == ' ')
1210		*p = '\0';
1211	<	addto_MessageLine(isupportFile, isupportbuffer);
1211	>	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1212		}
1213		}

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