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

Comparing:
ircd-hybrid-7.2/src/s_user.c (file contents), Revision 386 by adx, Tue Jan 31 12:40:56 2006 UTC vs.
ircd-hybrid/trunk/src/s_user.c (file contents), Revision 2688 by michael, Tue Dec 17 17:42:06 2013 UTC

#	Line 23 | Line 23
23		*/
24
25		#include "stdinc.h"
26	<	#include "tools.h"
26	>	#include "list.h"
27		#include "s_user.h"
28		#include "s_misc.h"
29		#include "channel.h"
30		#include "channel_mode.h"
31		#include "client.h"
32	–	#include "common.h"
32		#include "fdlist.h"
33		#include "hash.h"
34		#include "irc_string.h"
36	–	#include "sprintf_irc.h"
35		#include "s_bsd.h"
38	–	#include "irc_getnameinfo.h"
36		#include "ircd.h"
40	–	#include "list.h"
37		#include "listener.h"
38		#include "motd.h"
39		#include "numeric.h"
40	<	#include "s_conf.h"
41	<	#include "s_log.h"
40	>	#include "conf.h"
41	>	#include "log.h"
42		#include "s_serv.h"
47	–	#include "s_stats.h"
43		#include "send.h"
44		#include "supported.h"
45		#include "whowas.h"
46		#include "memory.h"
47		#include "packet.h"
48	+	#include "rng_mt.h"
49		#include "userhost.h"
50		#include "hook.h"
51		#include "s_misc.h"
52	<	#include "msg.h"
53	<	#include "pcre.h"
58	<
59	<	int MaxClientCount     = 1;
60	<	int MaxConnectionCount = 1;
61	<	struct Callback *entering_umode_cb = NULL;
62	<	struct Callback *umode_cb = NULL;
63	<	struct Callback *uid_get_cb = NULL;
52	>	#include "parse.h"
53	>	#include "watch.h"
54
55		static char umode_buffer[IRCD_BUFSIZE];
56
57		static void user_welcome(struct Client *);
58	<	static void report_and_set_user_flags(struct Client *, const struct AccessItem *);
58	>	static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
59		static int check_xline(struct Client *);
60	<	static int check_regexp_xline(struct Client *);
61	<	static void introduce_client(struct Client *, struct Client *);
72	<	static void *uid_get(va_list);
60	>	static void introduce_client(struct Client *);
61	>	static const char *uid_get(void);
62
63		/* Used for building up the isupport string,
64		* used with init_isupport, add_isupport, delete_isupport
65		*/
66
67	<	struct Isupport
67	>	struct Isupport
68		{
69		dlink_node node;
70		char *name;
#	Line 83 | Line 72 | struct Isupport
72		int number;
73		};
74
75	<	static dlink_list support_list = { NULL, NULL, 0 };
76	<	MessageFile *isupportFile;
75	>	static dlink_list support_list;
76	>	static dlink_list support_list_lines;
77
78		/* memory is cheap. map 0-255 to equivalent mode */
79	<	unsigned int user_modes[256] =
79	>	const unsigned int user_modes[256] =
80		{
81		/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
82		/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
#	Line 99 | Line 88 | unsigned int user_modes[256] =
88		0,                  /* C */
89		UMODE_DEAF,         /* D */
90		0,                  /* E */
91	<	0,                  /* F */
91	>	UMODE_FARCONNECT,   /* F */
92		UMODE_SOFTCALLERID, /* G */
93	<	0,                  /* H */
93	>	UMODE_HIDDEN,       /* H */
94		0,                  /* I */
95		0,                  /* J */
96		0,                  /* K */
#	Line 111 | Line 100 | unsigned int user_modes[256] =
100		0,                  /* O */
101		0,                  /* P */
102		0,                  /* Q */
103	<	0,                  /* R */
104	<	0,                  /* S */
103	>	UMODE_REGONLY,      /* R */
104	>	UMODE_SSL,          /* S */
105		0,                  /* T */
106		0,                  /* U */
107		0,                  /* V */
108	<	0,                  /* W */
108	>	UMODE_WEBIRC,       /* W */
109		0,                  /* X */
110		0,                  /* Y */
111		0,                  /* Z 0x5A */
112	<	0, 0, 0, 0, 0,      /* 0x5F   */
112	>	0, 0, 0, 0, 0,      /* 0x5F   */
113		0,                  /* 0x60   */
114		UMODE_ADMIN,        /* a */
115		UMODE_BOTS,         /* b */
116		UMODE_CCONN,        /* c */
117		UMODE_DEBUG,        /* d */
118	<	0,                  /* e */
118	>	UMODE_EXTERNAL,     /* e */
119		UMODE_FULL,         /* f */
120		UMODE_CALLERID,     /* g */
121		0,                  /* h */
122		UMODE_INVISIBLE,    /* i */
123	<	0,                  /* j */
123	>	UMODE_REJ,          /* j */
124		UMODE_SKILL,        /* k */
125		UMODE_LOCOPS,       /* l */
126		0,                  /* m */
#	Line 139 | Line 128 | unsigned int user_modes[256] =
128		UMODE_OPER,         /* o */
129		0,                  /* p */
130		0,                  /* q */
131	<	UMODE_REJ,          /* r */
131	>	UMODE_REGISTERED,   /* r */
132		UMODE_SERVNOTICE,   /* s */
133		0,                  /* t */
134		UMODE_UNAUTH,       /* u */
135		0,                  /* v */
136		UMODE_WALLOP,       /* w */
137	<	UMODE_EXTERNAL,     /* x */
137	>	UMODE_HIDDENHOST,   /* x */
138		UMODE_SPY,          /* y */
139		UMODE_OPERWALL,     /* z      0x7A */
140		0,0,0,0,0,          /* 0x7B - 0x7F */
#	Line 166 | Line 155 | assemble_umode_buffer(void)
155		unsigned int idx = 0;
156		char *umode_buffer_ptr = umode_buffer;
157
158	<	for (; idx < (sizeof(user_modes) / sizeof(int)); ++idx)
158	>	for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
159		if (user_modes[idx])
160		*umode_buffer_ptr++ = idx;
161
#	Line 180 | Line 169 | assemble_umode_buffer(void)
169		* side effects - display to client user counts etc.
170		*/
171		void
172	<	show_lusers(struct Client *source_p)
172	>	show_lusers(struct Client *source_p)
173		{
174		const char *from, *to;
175
#	Line 195 | Line 184 | show_lusers(struct Client *source_p)
184		to = source_p->name;
185		}
186
187	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
187	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
188		sendto_one(source_p, form_str(RPL_LUSERCLIENT),
189		from, to, (Count.total-Count.invisi),
190		Count.invisi, dlink_list_length(&global_serv_list));
#	Line 215 | Line 204 | show_lusers(struct Client *source_p)
204		sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
205		from, to, dlink_list_length(&global_channel_list));
206
207	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
207	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
208		{
209		sendto_one(source_p, form_str(RPL_LUSERME),
210		from, to, Count.local, Count.myserver);
211		sendto_one(source_p, form_str(RPL_LOCALUSERS),
212	<	from, to, Count.local, Count.max_loc,
224	<	Count.local, Count.max_loc);
212	>	from, to, Count.local, Count.max_loc);
213		}
214		else
215		{
216		sendto_one(source_p, form_str(RPL_LUSERME),
217		from, to, Count.total, 0);
218	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
219	<	from, to, Count.total, Count.max_tot,
232	<	Count.total, Count.max_tot);
218	>	sendto_one(source_p, form_str(RPL_LOCALUSERS),
219	>	from, to, Count.total, Count.max_tot);
220		}
221
222		sendto_one(source_p, form_str(RPL_GLOBALUSERS),
223	<	from, to, Count.total, Count.max_tot,
237	<	Count.total, Count.max_tot);
223	>	from, to, Count.total, Count.max_tot);
224
225	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
225	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
226		sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
227	<	MaxConnectionCount, MaxClientCount, Count.totalrestartcount);
227	>	Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
228
229	<	if (Count.local > MaxClientCount)
230	<	MaxClientCount = Count.local;
229	>	if (Count.local > Count.max_loc_cli)
230	>	Count.max_loc_cli = Count.local;
231
232	<	if ((Count.local + Count.myserver) > MaxConnectionCount)
233	<	MaxConnectionCount = Count.local + Count.myserver;
232	>	if ((Count.local + Count.myserver) > Count.max_loc_con)
233	>	Count.max_loc_con = Count.local + Count.myserver;
234		}
235
236		/* show_isupport()
#	Line 254 | Line 240 | show_lusers(struct Client *source_p)
240		* side effects - display to client what we support (for them)
241		*/
242		void
243	<	show_isupport(struct Client *source_p)
243	>	show_isupport(struct Client *source_p)
244		{
245	<	send_message_file(source_p, isupportFile);
245	>	const dlink_node *ptr = NULL;
246	>
247	>	DLINK_FOREACH(ptr, support_list_lines.head)
248	>	sendto_one(source_p, form_str(RPL_ISUPPORT), me.name,
249	>	source_p->name, ptr->data);
250		}
251
252		/*
#	Line 283 | Line 273 | show_isupport(struct Client *source_p)
273		**         nick from local user or kill him/her...
274		*/
275		void
276	<	register_local_user(struct Client *client_p, struct Client *source_p,
287	<	const char *nick, const char *username)
276	>	register_local_user(struct Client *source_p)
277		{
278	<	const struct AccessItem *aconf = NULL;
279	<	char ipaddr[HOSTIPLEN];
291	<	dlink_node *ptr = NULL;
292	<	dlink_node *m = NULL;
278	>	const char *id = NULL;
279	>	const struct MaskItem *conf = NULL;
280
281		assert(source_p != NULL);
282	+	assert(source_p == source_p->from);
283		assert(MyConnect(source_p));
284	<	assert(source_p->username != username);
284	>	assert(!source_p->localClient->registration);
285	>
286	>	ClearCap(source_p, CAP_TS6);
287
288		if (ConfigFileEntry.ping_cookie)
289		{
290	<	if (!IsPingSent(source_p) &&
301	<	source_p->localClient->random_ping == 0)
290	>	if (!IsPingSent(source_p) && !source_p->localClient->random_ping)
291		{
292	<	source_p->localClient->random_ping = (unsigned long)rand();
293	<	sendto_one(source_p, "PING :%lu",
292	>	do
293	>	source_p->localClient->random_ping = genrand_int32();
294	>	while (!source_p->localClient->random_ping);
295	>
296	>	sendto_one(source_p, "PING :%u",
297		source_p->localClient->random_ping);
298		SetPingSent(source_p);
299		return;
#	Line 311 | Line 303 | register_local_user(struct Client *clien
303		return;
304		}
305
306	<	source_p->localClient->last = CurrentTime;
306	>	source_p->localClient->last_privmsg = CurrentTime;
307		/* Straight up the maximum rate of flooding... */
308		source_p->localClient->allow_read = MAX_FLOOD_BURST;
309
310	<	if (!execute_callback(client_check_cb, source_p, username))
310	>	if (!check_client(source_p))
311		return;
312
313	<	if (valid_hostname(source_p->host) == 0)
313	>	if (!valid_hostname(source_p->host))
314		{
315		sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
316		"character in your hostname", me.name, source_p->name);
#	Line 326 | Line 318 | register_local_user(struct Client *clien
318		sizeof(source_p->host));
319		}
320
321	<	ptr   = source_p->localClient->confs.head;
330	<	aconf = map_to_conf(ptr->data);
321	>	conf = source_p->localClient->confs.head->data;
322
323		if (!IsGotId(source_p))
324		{
325	<	const char *p = NULL;
325	>	char username[USERLEN + 1];
326	>	const char *p = username;
327		unsigned int i = 0;
328
329	<	if (IsNeedIdentd(aconf))
329	>	if (IsNeedIdentd(conf))
330		{
331	<	ServerStats->is_ref++;
331	>	++ServerStats.is_ref;
332		sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
333		"identd to use this server", me.name, source_p->name);
334		exit_client(source_p, &me, "Install identd");
335		return;
336		}
337
338	<	p = username;
338	>	strlcpy(username, source_p->username, sizeof(username));
339
340	<	if (!IsNoTilde(aconf))
340	>	if (!IsNoTilde(conf))
341		source_p->username[i++] = '~';
342
343	<	while (*p && i < USERLEN)
352	<	{
343	>	for (; *p && i < USERLEN; ++p)
344		if (*p != '[')
345		source_p->username[i++] = *p;
355	–	p++;
356	–	}
346
347		source_p->username[i] = '\0';
348		}
349
350		/* password check */
351	<	if (!EmptyString(aconf->passwd))
351	>	if (!EmptyString(conf->passwd))
352		{
353		const char *pass = source_p->localClient->passwd;
354
355	<	if (!match_conf_password(pass, aconf))
355	>	if (!match_conf_password(pass, conf))
356		{
357	<	ServerStats->is_ref++;
357	>	++ServerStats.is_ref;
358		sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
359		me.name, source_p->name);
360		exit_client(source_p, &me, "Bad Password");
#	Line 379 | Line 368 | register_local_user(struct Client *clien
368		*/
369
370		/* report if user has &^>= etc. and set flags as needed in source_p */
371	<	report_and_set_user_flags(source_p, aconf);
371	>	report_and_set_user_flags(source_p, conf);
372	>
373	>	if (IsDead(source_p))
374	>	return;
375
376		/* Limit clients -
377		* We want to be able to have servers and F-line clients
#	Line 392 | Line 384 | register_local_user(struct Client *clien
384		if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
385		(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
386		{
387	<	sendto_realops_flags(UMODE_FULL, L_ALL,
387	>	sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
388		"Too many clients, rejecting %s[%s].",
389	<	nick, source_p->host);
390	<	ServerStats->is_ref++;
389	>	source_p->name, source_p->host);
390	>	++ServerStats.is_ref;
391		exit_client(source_p, &me, "Sorry, server is full - try later");
392		return;
393		}
394
395		/* valid user name check */
396	<	if (valid_username(source_p->username) == 0)
396	>	if (!valid_username(source_p->username, 1))
397		{
398		char tmpstr2[IRCD_BUFSIZE];
399
400	<	sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
401	<	nick, source_p->username, source_p->host);
402	<	ServerStats->is_ref++;
403	<	ircsprintf(tmpstr2, "Invalid username [%s]", source_p->username);
400	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
401	>	"Invalid username: %s (%s@%s)",
402	>	source_p->name, source_p->username, source_p->host);
403	>	++ServerStats.is_ref;
404	>	snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
405	>	source_p->username);
406		exit_client(source_p, &me, tmpstr2);
407		return;
408		}
409
410	<	assert(source_p == client_p);
417	<
418	<	/* end of valid user name check */
419	<	if (check_xline(source_p) || check_regexp_xline(source_p))
410	>	if (check_xline(source_p))
411		return;
412
413	<	if (IsDead(client_p))
414	<	return;
413	>	while (hash_find_id((id = uid_get())) != NULL)
414	>	;
415
416	<	if (source_p->id[0] == '\0' && me.id[0])
417	<	{
427	<	char *id = (char *)execute_callback(uid_get_cb, source_p);
428	<	while (hash_find_id(id) != NULL)
429	<	id = uid_get(NULL);
416	>	strlcpy(source_p->id, id, sizeof(source_p->id));
417	>	hash_add_id(source_p);
418
419	<	strlcpy(source_p->id, id, sizeof(source_p->id));
420	<	hash_add_id(source_p);
421	<	}
434	<
435	<	irc_getnameinfo((struct sockaddr *)&source_p->localClient->ip,
436	<	source_p->localClient->ip.ss_len, ipaddr,
437	<	HOSTIPLEN, NULL, 0, NI_NUMERICHOST);
438	<
439	<	sendto_realops_flags(UMODE_CCONN, L_ALL,
440	<	"Client connecting: %s (%s@%s) [%s] {%s} [%s]",
441	<	nick, source_p->username, source_p->host,
419	>	sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
420	>	"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
421	>	source_p->name, source_p->username, source_p->host,
422		ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
423	<	"255.255.255.255" : ipaddr, get_client_class(source_p),
424	<	source_p->info);
425	<
446	<	/* If they have died in send_* don't do anything. */
447	<	if (IsDead(source_p))
448	<	return;
423	>	"255.255.255.255" : source_p->sockhost,
424	>	get_client_class(&source_p->localClient->confs),
425	>	source_p->info, source_p->id);
426
427		if (ConfigFileEntry.invisible_on_connect)
428		{
429	<	source_p->umodes |= UMODE_INVISIBLE;
430	<	Count.invisi++;
429	>	AddUMode(source_p, UMODE_INVISIBLE);
430	>	++Count.invisi;
431		}
432
433	<	if ((++Count.local) > Count.max_loc)
433	>	if (++Count.local > Count.max_loc)
434		{
435		Count.max_loc = Count.local;
436
437		if (!(Count.max_loc % 10))
438	<	sendto_realops_flags(UMODE_ALL, L_ALL, "New Max Local Clients: %d",
438	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
439	>	"New Max Local Clients: %d",
440		Count.max_loc);
441		}
442
465	–	SetClient(source_p);
466	–
467	–	source_p->servptr = &me;
468	–	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
469	–
443		/* Increment our total user count here */
444		if (++Count.total > Count.max_tot)
445		Count.max_tot = Count.total;
446	<	Count.totalrestartcount++;
446	>	++Count.totalrestartcount;
447	>
448	>	assert(source_p->servptr == &me);
449	>	SetClient(source_p);
450	>	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
451
452		source_p->localClient->allow_read = MAX_FLOOD_BURST;
453
454	<	if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
455	<	{
456	<	free_dlink_node(m);
457	<	dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
481	<	}
482	<	else assert(0);
454	>	assert(dlinkFind(&unknown_list, source_p));
455	>
456	>	dlink_move_node(&source_p->localClient->lclient_node,
457	>	&unknown_list, &local_client_list);
458
459		user_welcome(source_p);
460		add_user_host(source_p->username, source_p->host, 0);
461		SetUserHost(source_p);
462
463	<	introduce_client(client_p, source_p);
463	>	introduce_client(source_p);
464		}
465
466		/* register_remote_user()
467		*
468	<	* inputs       - client_p directly connected client
494	<	*              - source_p remote or directly connected client
468	>	* inputs       - source_p remote or directly connected client
469		*              - username to register as
470		*              - host name to register as
471		*              - server name
#	Line 501 | Line 475 | register_local_user(struct Client *clien
475		*                is introduced by a server.
476		*/
477		void
478	<	register_remote_user(struct Client *client_p, struct Client *source_p,
478	>	register_remote_user(struct Client *source_p,
479		const char *username, const char *host, const char *server,
480		const char *realname)
481		{
#	Line 510 | Line 484 | register_remote_user(struct Client *clie
484		assert(source_p != NULL);
485		assert(source_p->username != username);
486
487	<	strlcpy(source_p->host, host, sizeof(source_p->host));
514	<	strlcpy(source_p->info, realname, sizeof(source_p->info));
487	>	strlcpy(source_p->host, host, sizeof(source_p->host));
488		strlcpy(source_p->username, username, sizeof(source_p->username));
489
517	–	/* Increment our total user count here */
518	–	if (++Count.total > Count.max_tot)
519	–	Count.max_tot = Count.total;
520	–
521	–	source_p->from->serv->dep_users++;
522	–
490		/*
491		* coming from another server, take the servers word for it
492		*/
493	<	source_p->servptr = find_server(server);
493	>	source_p->servptr = hash_find_server(server);
494
495	<	/* Super GhostDetect:
495	>	/*
496	>	* Super GhostDetect:
497		* If we can't find the server the user is supposed to be on,
498		* then simply blow the user away.        -Taner
499		*/
500		if (source_p->servptr == NULL)
501		{
502	<	sendto_realops_flags(UMODE_ALL, L_ALL,
502	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
503		"No server %s for user %s[%s@%s] from %s",
504		server, source_p->name, source_p->username,
505		source_p->host, source_p->from->name);
506	<	kill_client(client_p, source_p, "%s (Server doesn't exist)", me.name);
506	>	kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
507
508	<	/* XXX */
541	<	SetKilled(source_p);
508	>	AddFlag(source_p, FLAGS_KILLED);
509		exit_client(source_p, &me, "Ghosted Client");
510		return;
511		}
512
513		if ((target_p = source_p->servptr) && target_p->from != source_p->from)
514		{
515	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
515	>	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
516		"Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
517	<	client_p->name, source_p->name, source_p->username,
517	>	source_p->from->name, source_p->name, source_p->username,
518		source_p->host, source_p->servptr->name,
519		target_p->name, target_p->from->name);
520	<	kill_client(client_p, source_p,
520	>	kill_client(source_p->from, source_p,
521		"%s (NICK from wrong direction (%s != %s))",
522		me.name, source_p->servptr->name, target_p->from->name);
523	<	SetKilled(source_p);
523	>	AddFlag(source_p, FLAGS_KILLED);
524		exit_client(source_p, &me, "USER server wrong direction");
525		return;
526		}
527
528	+	/*
529	+	* If the nick has been introduced by a services server,
530	+	* make it a service as well.
531	+	*/
532	+	if (HasFlag(source_p->servptr, FLAGS_SERVICE))
533	+	AddFlag(source_p, FLAGS_SERVICE);
534	+
535	+	/* Increment our total user count here */
536	+	if (++Count.total > Count.max_tot)
537	+	Count.max_tot = Count.total;
538	+
539		SetClient(source_p);
540	<	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
540	>	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
541		add_user_host(source_p->username, source_p->host, 1);
542		SetUserHost(source_p);
543
544	<	introduce_client(client_p, source_p);
544	>	if (HasFlag(source_p->servptr, FLAGS_EOB))
545	>	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
546	>	"Client connecting at %s: %s (%s@%s) [%s] <%s>",
547	>	source_p->servptr->name,
548	>	source_p->name, source_p->username, source_p->host,
549	>	source_p->info, source_p->id);
550	>
551	>	introduce_client(source_p);
552		}
553
554		/* introduce_client()
555		*
556	<	* inputs       - client_p
572	<	*              - source_p
556	>	* inputs       - source_p
557		* output       - NONE
558		* side effects - This common function introduces a client to the rest
559		*                of the net, either from a local client connect or
560		*                from a remote connect.
561		*/
562		static void
563	<	introduce_client(struct Client *client_p, struct Client *source_p)
563	>	introduce_client(struct Client *source_p)
564		{
565		dlink_node *server_node = NULL;
566	<	static char ubuf[12];
566	>	char ubuf[66];
567
568		if (MyClient(source_p))
569		send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
570		else
571		send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
572
573	<	if (*ubuf == '\0')
573	>	watch_check_hash(source_p, RPL_LOGON);
574	>
575	>	if (ubuf[0] == '\0')
576		{
577		ubuf[0] = '+';
578		ubuf[1] = '\0';
579		}
580
581	<	/* arghhh one could try not introducing new nicks to ll leafs
582	<	* but then you have to introduce them "on the fly" in SJOIN
583	<	* not fun.
598	<	* Its not going to cost much more bandwidth to simply let new
599	<	* nicks just ride on through.
600	<	*/
581	>	DLINK_FOREACH(server_node, serv_list.head)
582	>	{
583	>	struct Client *server = server_node->data;
584
585	<	/* We now introduce nicks "on the fly" in SJOIN anyway --
586	<	* you _need_ to if you aren't going to burst everyone initially.
604	<	*
605	<	* Only send to non CAP_LL servers, unless we're a lazylink leaf,
606	<	* in that case just send it to the uplink.
607	<	* -davidt
608	<	* rewritten to cope with SIDs .. eww eww eww --is
609	<	*/
585	>	if (server == source_p->from)
586	>	continue;
587
588	<	/* XXX THESE NEED A PREFIX!?!?!? */
612	<	if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL) &&
613	<	client_p != uplink)
614	<	{
615	<	if (IsCapable(uplink, CAP_TS6) && HasID(source_p))
588	>	if (IsCapable(server, CAP_SVS))
589		{
590	<	sendto_one(uplink, ":%s UID %s %d %lu %s %s %s %s %s :%s",
591	<	source_p->servptr->id,
592	<	source_p->name, source_p->hopcount+1,
593	<	(unsigned long)source_p->tsinfo,
594	<	ubuf, source_p->username, source_p->host,
595	<	(MyClient(source_p) && IsIPSpoof(source_p)) ?
596	<	"0" : source_p->sockhost, source_p->id, source_p->info);
590	>	if (IsCapable(server, CAP_TS6) && HasID(source_p))
591	>	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
592	>	source_p->servptr->id,
593	>	source_p->name, source_p->hopcount+1,
594	>	(unsigned long)source_p->tsinfo,
595	>	ubuf, source_p->username, source_p->host,
596	>	(MyClient(source_p) && IsIPSpoof(source_p)) ?
597	>	"0" : source_p->sockhost, source_p->id,
598	>	source_p->svid,
599	>	source_p->info);
600	>	else
601	>	sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
602	>	source_p->name, source_p->hopcount+1,
603	>	(unsigned long)source_p->tsinfo,
604	>	ubuf, source_p->username, source_p->host,
605	>	source_p->servptr->name, source_p->svid,
606	>	source_p->info);
607	>
608		}
609		else
610		{
627	–	sendto_one(uplink, "NICK %s %d %lu %s %s %s %s :%s",
628	–	source_p->name, source_p->hopcount+1,
629	–	(unsigned long)source_p->tsinfo,
630	–	ubuf, source_p->username, source_p->host,
631	–	source_p->servptr->name, source_p->info);
632	–	}
633	–	}
634	–	else
635	–	{
636	–	DLINK_FOREACH(server_node, serv_list.head)
637	–	{
638	–	struct Client *server = server_node->data;
639	–
640	–	if (IsCapable(server, CAP_LL) || server == client_p)
641	–	continue;
642	–
611		if (IsCapable(server, CAP_TS6) && HasID(source_p))
612		sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
613		source_p->servptr->id,
#	Line 655 | Line 623 | introduce_client(struct Client *client_p
623		ubuf, source_p->username, source_p->host,
624		source_p->servptr->name, source_p->info);
625		}
626	+
627	+	if (!EmptyString(source_p->certfp))
628	+	sendto_one(server, ":%s CERTFP %s", ID(source_p), source_p->certfp);
629		}
630		}
631
#	Line 674 | Line 645 | valid_hostname(const char *hostname)
645
646		assert(p != NULL);
647
648	<	if ('.' == *p || ':' == *p)
648	>	if (EmptyString(p) || *p == '.' || *p == ':')
649		return 0;
650
651	<	while (*p)
681	<	{
651	>	for (; *p; ++p)
652		if (!IsHostChar(*p))
653		return 0;
684	–	p++;
685	–	}
654
655	<	return 1;
655	>	return p - hostname <= HOSTLEN;
656		}
657
658		/* valid_username()
#	Line 699 | Line 667 | valid_hostname(const char *hostname)
667		* style of username
668		*/
669		int
670	<	valid_username(const char *username)
670	>	valid_username(const char *username, const int local)
671		{
672		int dots      = 0;
673		const char *p = username;
674
675		assert(p != NULL);
676
677	<	if ('~' == *p)
677	>	if (*p == '~')
678		++p;
679
680	<	/* reject usernames that don't start with an alphanum
680	>	/*
681	>	* Reject usernames that don't start with an alphanum
682		* i.e. reject jokers who have '-@somehost' or '.@somehost'
683		* or "-hi-@somehost", "h-----@somehost" would still be accepted.
684		*/
685		if (!IsAlNum(*p))
686		return 0;
687
688	<	while (*++p)
688	>	if (local)
689		{
690	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
690	>	while (*++p)
691		{
692	<	dots++;
693	<
694	<	if (dots > ConfigFileEntry.dots_in_ident)
695	<	return 0;
696	<	if (!IsUserChar(p[1]))
692	>	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
693	>	{
694	>	if (++dots > ConfigFileEntry.dots_in_ident)
695	>	return 0;
696	>	if (!IsUserChar(*(p + 1)))
697	>	return 0;
698	>	}
699	>	else if (!IsUserChar(*p))
700		return 0;
701		}
702	<	else if (!IsUserChar(*p))
703	<	return 0;
702	>	}
703	>	else
704	>	{
705	>	while (*++p)
706	>	if (!IsUserChar(*p))
707	>	return 0;
708		}
709
710	<	return 1;
710	>	return  p - username <= USERLEN;;
711	>	}
712	>
713	>	/* clean_nick_name()
714	>	*
715	>	* input        - nickname
716	>	*              - whether it's a local nick (1) or remote (0)
717	>	* output       - none
718	>	* side effects - walks through the nickname, returning 0 if erroneous
719	>	*/
720	>	int
721	>	valid_nickname(const char *nickname, const int local)
722	>	{
723	>	const char *p = nickname;
724	>	assert(nickname && *nickname);
725	>
726	>	/* nicks can't start with a digit or - or be 0 length */
727	>	/* This closer duplicates behaviour of hybrid-6 */
728	>	if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
729	>	return 0;
730	>
731	>	for (; *p; ++p)
732	>	if (!IsNickChar(*p))
733	>	return 0;
734	>
735	>	return p - nickname <= NICKLEN;
736		}
737
738		/* report_and_set_user_flags()
739		*
740		* inputs       - pointer to source_p
741	<	*              - pointer to aconf for this user
741	>	*              - pointer to conf for this user
742		* output       - NONE
743		* side effects - Report to user any special flags
744		*                they are getting, and set them.
745		*/
746		static void
747	<	report_and_set_user_flags(struct Client *source_p, const struct AccessItem *aconf)
747	>	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
748		{
749		/* If this user is being spoofed, tell them so */
750	<	if (IsConfDoSpoofIp(aconf))
750	<	{
750	>	if (IsConfDoSpoofIp(conf))
751		sendto_one(source_p,
752	<	":%s NOTICE %s :*** Spoofing your IP. congrats.",
752	>	":%s NOTICE %s :*** Spoofing your IP. Congrats.",
753		me.name, source_p->name);
754	–	}
754
755		/* If this user is in the exception class, Set it "E lined" */
756	<	if (IsConfExemptKline(aconf))
756	>	if (IsConfExemptKline(conf))
757		{
758		SetExemptKline(source_p);
759		sendto_one(source_p,
760	<	":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
760	>	":%s NOTICE %s :*** You are exempt from K/D/G lines. Congrats.",
761		me.name, source_p->name);
762		}
763
764	<	/* The else here is to make sure that G line exempt users
764	>	/*
765	>	* The else here is to make sure that G line exempt users
766		* do not get noticed twice.
767		*/
768	<	else if (IsConfExemptGline(aconf))
768	>	else if (IsConfExemptGline(conf))
769		{
770		SetExemptGline(source_p);
771	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
771	>	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines. Congrats.",
772		me.name, source_p->name);
773		}
774
775	<	if (IsConfExemptResv(aconf))
775	>	if (IsConfExemptResv(conf))
776		{
777		SetExemptResv(source_p);
778	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
778	>	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs. Congrats.",
779		me.name, source_p->name);
780		}
781
782		/* If this user is exempt from user limits set it "F lined" */
783	<	if (IsConfExemptLimits(aconf))
783	>	if (IsConfExemptLimits(conf))
784		{
785		SetExemptLimits(source_p);
786		sendto_one(source_p,
787	<	":%s NOTICE %s :*** You are exempt from user limits. congrats.",
787	>	":%s NOTICE %s :*** You are exempt from user limits. Congrats.",
788		me.name,source_p->name);
789		}
790
791	<	/* If this user is exempt from idle time outs */
792	<	if (IsConfIdlelined(aconf))
793	<	{
794	<	SetIdlelined(source_p);
795	<	sendto_one(source_p,
796	<	":%s NOTICE %s :*** You are exempt from idle limits. congrats.",
797	<	me.name, source_p->name);
798	<	}
799	<
800	<	if (IsConfCanFlood(aconf))
791	>	if (IsConfCanFlood(conf))
792		{
793		SetCanFlood(source_p);
794		sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
#	Line 806 | Line 797 | report_and_set_user_flags(struct Client
797		}
798		}
799
809	–	/* do_local_user()
810	–	*
811	–	* inputs       -
812	–	* output       - NONE
813	–	* side effects -
814	–	*/
815	–	void
816	–	do_local_user(const char *nick, struct Client *client_p, struct Client *source_p,
817	–	const char *username, const char *host, const char *server,
818	–	const char *realname)
819	–	{
820	–	assert(source_p != NULL);
821	–	assert(source_p->username != username);
822	–
823	–	if (source_p == NULL)
824	–	return;
825	–
826	–	if (!IsUnknown(source_p))
827	–	{
828	–	sendto_one(source_p, form_str(ERR_ALREADYREGISTRED),
829	–	me.name, nick);
830	–	return;
831	–	}
832	–
833	–	source_p->flags |= FLAGS_GOTUSER;
834	–
835	–	/*
836	–	* don't take the clients word for it, ever
837	–	*/
838	–	source_p->servptr = &me;
839	–
840	–	strlcpy(source_p->info, realname, sizeof(source_p->info));
841	–
842	–	if (!IsGotId(source_p))
843	–	{
844	–	/* save the username in the client
845	–	* If you move this you'll break ping cookies..you've been warned
846	–	*/
847	–	strlcpy(source_p->username, username, sizeof(source_p->username));
848	–	}
849	–
850	–	if (source_p->name[0])
851	–	{
852	–	/* NICK already received, now I have USER... */
853	–	register_local_user(client_p, source_p, source_p->name, username);
854	–	}
855	–	}
856	–
857	–	/* change_simple_umode()
858	–	*
859	–	* this callback can be hooked to allow special handling of
860	–	* certain usermodes
861	–	*/
862	–	static void *
863	–	change_simple_umode(va_list args)
864	–	{
865	–	struct Client *source_p;
866	–	int what;
867	–	unsigned int flag;
868	–
869	–	va_arg(args, struct Client *);
870	–	source_p = va_arg(args, struct Client *);
871	–	what = va_arg(args, int);
872	–	flag = va_arg(args, unsigned int);
873	–
874	–	if (what == MODE_ADD)
875	–	source_p->umodes |= flag;
876	–	else
877	–	source_p->umodes &= ~flag;
878	–
879	–	return NULL;
880	–	}
881	–
800		/* set_user_mode()
801		*
802		* added 15/10/91 By Darren Reed.
#	Line 888 | Line 806 | change_simple_umode(va_list args)
806		*/
807		void
808		set_user_mode(struct Client *client_p, struct Client *source_p,
809	<	int parc, char *parv[])
809	>	const int parc, char *parv[])
810		{
811		unsigned int flag, setflags;
812		char **p, *m, buf[IRCD_BUFSIZE];
#	Line 905 | Line 823 | set_user_mode(struct Client *client_p, s
823		return;
824		}
825
826	<	if (IsServer(source_p))
909	<	{
910	<	sendto_realops_flags(UMODE_ALL, L_ADMIN, "*** Mode for User %s from %s",
911	<	parv[1], source_p->name);
912	<	return;
913	<	}
914	<
915	<	if (source_p != target_p || target_p->from != source_p->from)
826	>	if (source_p != target_p)
827		{
828		sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
829		me.name, source_p->name);
#	Line 924 | Line 835 | set_user_mode(struct Client *client_p, s
835		m = buf;
836		*m++ = '+';
837
838	<	for (i = 0; i < 128; i++)
839	<	if (source_p->umodes & user_modes[i])
838	>	for (i = 0; i < 128; ++i)
839	>	if (HasUMode(source_p, user_modes[i]))
840		*m++ = (char)i;
841		*m = '\0';
842
#	Line 934 | Line 845 | set_user_mode(struct Client *client_p, s
845		return;
846		}
847
937	–	execute_callback(entering_umode_cb, client_p, source_p);
938	–
848		/* find flags already set for user */
849		setflags = source_p->umodes;
850
851		/* parse mode change string(s) */
852	<	for (p = &parv[2]; p && *p; p++)
852	>	for (p = &parv[2]; p && *p; ++p)
853		{
854	<	for (m = *p; *m; m++)
854	>	for (m = *p; *m; ++m)
855		{
856		switch (*m)
857		{
#	Line 955 | Line 864 | set_user_mode(struct Client *client_p, s
864		case 'o':
865		if (what == MODE_ADD)
866		{
867	<	if (IsServer(client_p) && !IsOper(source_p))
867	>	if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
868		{
869		++Count.oper;
870		SetOper(source_p);
#	Line 963 | Line 872 | set_user_mode(struct Client *client_p, s
872		}
873		else
874		{
875	<	/* Only decrement the oper counts if an oper to begin with
967	<	* found by Pat Szuta, Perly , perly@xnet.com
968	<	*/
969	<	if (!IsOper(source_p))
875	>	if (!HasUMode(source_p, UMODE_OPER))
876		break;
877
878		ClearOper(source_p);
973	–	source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
879		Count.oper--;
880
881		if (MyConnect(source_p))
882		{
883	<	dlink_node *dm;
883	>	dlink_node *dm = NULL;
884
885	<	detach_conf(source_p, OPER_TYPE);
886	<	ClearOperFlags(source_p);
885	>	detach_conf(source_p, CONF_OPER);
886	>	ClrOFlag(source_p);
887	>	DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
888
889		if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
890		free_dlink_node(dm);
#	Line 987 | Line 893 | set_user_mode(struct Client *client_p, s
893
894		break;
895
896	<	/* we may not get these,
897	<	* but they shouldnt be in default
898	<	*/
899	<	case ' ' :
994	<	case '\n':
995	<	case '\r':
996	<	case '\t':
896	>	case 'S':  /* Only servers may set +S in a burst */
897	>	case 'W':  /* Only servers may set +W in a burst */
898	>	case 'r':  /* Only services may set +r */
899	>	case 'x':  /* Only services may set +x */
900		break;
901
902		default:
903		if ((flag = user_modes[(unsigned char)*m]))
904		{
905	<	if (MyConnect(source_p) && !IsOper(source_p) &&
905	>	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
906		(ConfigFileEntry.oper_only_umodes & flag))
1004	–	{
907		badflag = 1;
1006	–	}
908		else
909	<	execute_callback(umode_cb, client_p, source_p, what, flag);
910	<	}
911	<	else
912	<	{
913	<	if (MyConnect(source_p))
914	<	badflag = 1;
909	>	{
910	>	if (what == MODE_ADD)
911	>	AddUMode(source_p, flag);
912	>	else
913	>	DelUMode(source_p, flag);
914	>	}
915		}
916	+	else if (MyConnect(source_p))
917	+	badflag = 1;
918
919		break;
920		}
#	Line 1022 | Line 925 | set_user_mode(struct Client *client_p, s
925		sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
926		me.name, source_p->name);
927
928	<	if ((source_p->umodes & UMODE_NCHANGE) && !IsOperN(source_p))
928	>	if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
929	>	!HasOFlag(source_p, OPER_FLAG_ADMIN))
930		{
931		sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
932		me.name, source_p->name);
933	<	source_p->umodes &= ~UMODE_NCHANGE; /* only tcm's really need this */
933	>	DelUMode(source_p, UMODE_ADMIN);
934		}
935
936	<	if (MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
1033	<	!IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
1034	<	{
1035	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
1036	<	me.name, source_p->name);
1037	<	source_p->umodes &= ~UMODE_ADMIN;
1038	<	}
1039	<
1040	<	if (!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
936	>	if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
937		++Count.invisi;
938	<	if ((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
938	>	if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
939		--Count.invisi;
940
941		/*
#	Line 1052 | Line 948 | set_user_mode(struct Client *client_p, s
948		/* send_umode()
949		* send the MODE string for user (user) to connection client_p
950		* -avalon
951	+	*
952	+	* inputs       - client_p
953	+	*              - source_p
954	+	*              - int old
955	+	*              - sendmask mask of modes to send
956	+	*              - suplied umode_buf
957	+	* output       - NONE
958		*/
959		void
960		send_umode(struct Client *client_p, struct Client *source_p,
961		unsigned int old, unsigned int sendmask, char *umode_buf)
962		{
963	+	char *m = umode_buf;
964		int what = 0;
965		unsigned int i;
966		unsigned int flag;
1063	–	char *m = umode_buf;
967
968		/*
969		* build a string in umode_buf to represent the change in the user's
970		* mode between the new (source_p->umodes) and 'old'.
971		*/
972	<	for (i = 0; i < 128; i++)
972	>	for (i = 0; i < 128; ++i)
973		{
974		flag = user_modes[i];
975		if (!flag)
#	Line 1075 | Line 978 | send_umode(struct Client *client_p, stru
978		if (MyClient(source_p) && !(flag & sendmask))
979		continue;
980
981	<	if ((flag & old) && !(source_p->umodes & flag))
981	>	if ((flag & old) && !HasUMode(source_p, flag))
982		{
983		if (what == MODE_DEL)
984		*m++ = (char)i;
#	Line 1086 | Line 989 | send_umode(struct Client *client_p, stru
989		*m++ = (char)i;
990		}
991		}
992	<	else if (!(flag & old) && (source_p->umodes & flag))
992	>	else if (!(flag & old) && HasUMode(source_p, flag))
993		{
994		if (what == MODE_ADD)
995		*m++ = (char)i;
#	Line 1102 | Line 1005 | send_umode(struct Client *client_p, stru
1005		*m = '\0';
1006
1007		if (*umode_buf && client_p)
1008	<	sendto_one(client_p, ":%s MODE %s :%s",
1009	<	source_p->name, source_p->name, umode_buf);
1008	>	sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
1009	>	source_p->name, source_p->username,
1010	>	source_p->host, source_p->name, umode_buf);
1011		}
1012
1013		/* send_umode_out()
#	Line 1116 | Line 1020 | void
1020		send_umode_out(struct Client *client_p, struct Client *source_p,
1021		unsigned int old)
1022		{
1023	<	char buf[IRCD_BUFSIZE];
1023	>	char buf[IRCD_BUFSIZE] = { '\0' };
1024		dlink_node *ptr = NULL;
1025
1026	<	send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1123	<	SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
1026	>	send_umode(NULL, source_p, old, SEND_UMODES, buf);
1027
1028	<	if (*buf)
1028	>	if (buf[0])
1029		{
1030		DLINK_FOREACH(ptr, serv_list.head)
1031		{
1032		struct Client *target_p = ptr->data;
1033
1034		if ((target_p != client_p) && (target_p != source_p))
1035	<	{
1036	<	if ((!(ServerInfo.hub && IsCapable(target_p, CAP_LL))) ||
1037	<	(target_p->localClient->serverMask &
1135	<	source_p->lazyLinkClientExists))
1136	<	sendto_one(target_p, ":%s MODE %s :%s",
1137	<	ID_or_name(source_p, target_p),
1138	<	ID_or_name(source_p, target_p), buf);
1139	<	}
1035	>	sendto_one(target_p, ":%s MODE %s :%s",
1036	>	ID_or_name(source_p, target_p),
1037	>	ID_or_name(source_p, target_p), buf);
1038		}
1039		}
1040
#	Line 1144 | Line 1042 | send_umode_out(struct Client *client_p,
1042		send_umode(client_p, source_p, old, 0xffffffff, buf);
1043		}
1044
1045	+	void
1046	+	user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
1047	+	{
1048	+	dlink_node *ptr = NULL;
1049	+
1050	+	if (!strcmp(target_p->host, hostname))
1051	+	return;
1052	+
1053	+	switch (what)
1054	+	{
1055	+	case MODE_ADD:
1056	+	AddUMode(target_p, UMODE_HIDDENHOST);
1057	+	AddFlag(target_p, FLAGS_IP_SPOOFING);
1058	+	break;
1059	+	case MODE_DEL:
1060	+	DelUMode(target_p, UMODE_HIDDENHOST);
1061	+
1062	+	if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
1063	+	DelFlag(target_p, FLAGS_IP_SPOOFING);
1064	+	break;
1065	+	default: return;
1066	+	}
1067	+
1068	+	if (ConfigFileEntry.cycle_on_host_change)
1069	+	sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
1070	+	target_p->name, target_p->username, target_p->host);
1071	+
1072	+	if (IsUserHostIp(target_p))
1073	+	delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1074	+
1075	+	strlcpy(target_p->host, hostname, sizeof(target_p->host));
1076	+
1077	+	add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1078	+	SetUserHost(target_p);
1079	+
1080	+	if (MyClient(target_p))
1081	+	{
1082	+	sendto_one(target_p, form_str(RPL_NEWHOSTIS), me.name,
1083	+	target_p->name, target_p->host);
1084	+	clear_ban_cache_client(target_p);
1085	+	}
1086	+
1087	+	if (!ConfigFileEntry.cycle_on_host_change)
1088	+	return;
1089	+
1090	+	DLINK_FOREACH(ptr, target_p->channel.head)
1091	+	{
1092	+	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = { '\0' };
1093	+	char *p = modebuf;
1094	+	int len = 0;
1095	+	const struct Membership *ms = ptr->data;
1096	+
1097	+	if (has_member_flags(ms, CHFL_CHANOP))
1098	+	{
1099	+	*p++ = 'o';
1100	+	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1101	+	}
1102	+
1103	+	if (has_member_flags(ms, CHFL_HALFOP))
1104	+	{
1105	+	*p++ = 'h';
1106	+	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1107	+	}
1108	+
1109	+	if (has_member_flags(ms, CHFL_VOICE))
1110	+	{
1111	+	*p++ = 'v';
1112	+	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1113	+	}
1114	+
1115	+	*p = '\0';
1116	+
1117	+	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
1118	+	target_p->name, target_p->username, target_p->host,
1119	+	ms->chptr->chname);
1120	+	if (nickbuf[0])
1121	+	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
1122	+	target_p->servptr->name, ms->chptr->chname,
1123	+	modebuf, nickbuf);
1124	+
1125	+	}
1126	+
1127	+	if (target_p->away[0])
1128	+	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
1129	+	":%s!%s@%s AWAY :%s",
1130	+	target_p->name, target_p->username,
1131	+	target_p->host, target_p->away);
1132	+	}
1133	+
1134		/* user_welcome()
1135		*
1136		* inputs       - client pointer to client to welcome
#	Line 1160 | Line 1147 | user_welcome(struct Client *source_p)
1147		#endif
1148
1149		#ifdef HAVE_LIBCRYPTO
1150	<	if (source_p->localClient->fd.ssl != NULL)
1150	>	if (HasFlag(source_p, FLAGS_SSL))
1151	>	{
1152	>	AddUMode(source_p, UMODE_SSL);
1153		sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1154		me.name, source_p->name,
1155		ssl_get_cipher(source_p->localClient->fd.ssl));
1156	+	}
1157		#endif
1158
1159	<	sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
1159	>	sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
1160		ServerInfo.network_name, source_p->name);
1161		sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
1162		get_listener_name(source_p->localClient->listener), ircd_version);
#	Line 1181 | Line 1171 | user_welcome(struct Client *source_p)
1171		source_p->name, source_p->id);
1172
1173		show_lusers(source_p);
1174	<
1185	<	if (ConfigFileEntry.short_motd)
1186	<	{
1187	<	sendto_one(source_p, "NOTICE %s :*** Notice -- motd was last changed at %s",
1188	<	source_p->name, ConfigFileEntry.motd.lastChangedDate);
1189	<	sendto_one(source_p,
1190	<	"NOTICE %s :*** Notice -- Please read the motd if you haven't "
1191	<	"read it", source_p->name);
1192	<	sendto_one(source_p, form_str(RPL_MOTDSTART),
1193	<	me.name, source_p->name, me.name);
1194	<	sendto_one(source_p, form_str(RPL_MOTD),
1195	<	me.name, source_p->name,
1196	<	"*** This is the short motd ***");
1197	<	sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1198	<	me.name, source_p->name);
1199	<	}
1200	<	else
1201	<	send_message_file(source_p, &ConfigFileEntry.motd);
1174	>	motd_signon(source_p);
1175		}
1176
1177		/* check_xline()
#	Line 1210 | Line 1183 | user_welcome(struct Client *source_p)
1183		static int
1184		check_xline(struct Client *source_p)
1185		{
1186	<	struct ConfItem *conf;
1214	<	struct MatchItem *xconf;
1215	<	const char *reason;
1216	<
1217	<	if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info,
1218	<	NULL, NULL, 0)) != NULL)
1219	<	{
1220	<	xconf = map_to_conf(conf);
1221	<	xconf->count++;
1222	<
1223	<	if (xconf->reason != NULL)
1224	<	reason = xconf->reason;
1225	<	else
1226	<	reason = "No Reason";
1227	<
1228	<	sendto_realops_flags(UMODE_REJ, L_ALL,
1229	<	"X-line Rejecting [%s] [%s], user %s [%s]",
1230	<	source_p->info, reason,
1231	<	get_client_name(source_p, HIDE_IP),
1232	<	source_p->sockhost);
1233	<
1234	<	ServerStats->is_ref++;
1235	<	if (REJECT_HOLD_TIME > 0)
1236	<	{
1237	<	sendto_one(source_p, ":%s NOTICE %s :Bad user info",
1238	<	me.name, source_p->name);
1239	<	source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
1240	<	SetCaptured(source_p);
1241	<	}
1242	<	else
1243	<	exit_client(source_p, &me, "Bad user info");
1244	<	return 1;
1245	<	}
1246	<
1247	<	return 0;
1248	<	}
1249	<
1250	<	static int
1251	<	check_regexp_xline(struct Client *source_p)
1252	<	{
1253	<	struct ConfItem *conf = NULL;
1186	>	struct MaskItem *conf = NULL;
1187		const char *reason = NULL;
1188
1189	<	if ((conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
1189	>	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
1190		{
1191	<	struct MatchItem *reg = map_to_conf(conf);
1191	>	++conf->count;
1192
1193	<	++reg->count;
1194	<
1262	<	if (reg->reason != NULL)
1263	<	reason = reg->reason;
1193	>	if (conf->reason != NULL)
1194	>	reason = conf->reason;
1195		else
1196		reason = "No Reason";
1197
1198	<	sendto_realops_flags(UMODE_REJ, L_ALL,
1199	<	"X-line (REGEX) Rejecting [%s] [%s], user %s [%s]",
1198	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
1199	>	"X-line Rejecting [%s] [%s], user %s [%s]",
1200		source_p->info, reason,
1201		get_client_name(source_p, HIDE_IP),
1202		source_p->sockhost);
1203
1204	<	ServerStats->is_ref++;
1204	>	++ServerStats.is_ref;
1205		exit_client(source_p, &me, "Bad user info");
1206		return 1;
1207		}
#	Line 1282 | Line 1213 | check_regexp_xline(struct Client *source
1213		*
1214		* inputs       - pointer to given client to oper
1215		* output       - NONE
1216	<	* side effects - Blindly opers up given source_p, using aconf info
1216	>	* side effects - Blindly opers up given source_p, using conf info
1217		*                all checks on passwords have already been done.
1218	<	*                This could also be used by rsa oper routines.
1218	>	*                This could also be used by rsa oper routines.
1219		*/
1220		void
1221		oper_up(struct Client *source_p)
1222		{
1223	<	unsigned int old = source_p->umodes;
1224	<	const char *operprivs = "";
1294	<	const struct AccessItem *oconf = NULL;
1223	>	const unsigned int old = source_p->umodes;
1224	>	const struct MaskItem *conf = source_p->localClient->confs.head->data;
1225
1226		assert(source_p->localClient->confs.head);
1297	–	oconf = map_to_conf((source_p->localClient->confs.head)->data);
1227
1228		++Count.oper;
1229		SetOper(source_p);
1230
1231	<	if (oconf->modes)
1232	<	source_p->umodes |= oconf->modes;
1231	>	if (conf->modes)
1232	>	AddUMode(source_p, conf->modes);
1233		else if (ConfigFileEntry.oper_umodes)
1234	<	source_p->umodes |= ConfigFileEntry.oper_umodes;
1235	<	else
1236	<	source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1237	<	UMODE_WALLOP|UMODE_LOCOPS);
1234	>	AddUMode(source_p, ConfigFileEntry.oper_umodes);
1235	>
1236	>	if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
1237	>	++Count.invisi;
1238	>	if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
1239	>	--Count.invisi;
1240
1241		assert(dlinkFind(&oper_list, source_p) == NULL);
1242		dlinkAdd(source_p, make_dlink_node(), &oper_list);
1243
1244	<	operprivs = oper_privs_as_string(oconf->port);
1244	>	AddOFlag(source_p, conf->port);
1245
1246	<	SetOFlag(source_p, oconf->port);
1246	>	if (HasOFlag(source_p, OPER_FLAG_ADMIN))
1247	>	AddUMode(source_p, UMODE_ADMIN);
1248
1249	<	if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
1250	<	source_p->umodes |= UMODE_ADMIN;
1319	<	if (!IsOperN(source_p))
1320	<	source_p->umodes &= ~UMODE_NCHANGE;
1321	<
1322	<	sendto_realops_flags(UMODE_ALL, L_ALL, "%s (%s@%s) is now an operator",
1323	<	source_p->name, source_p->username, source_p->host);
1249	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1250	>	get_oper_name(source_p));
1251		send_umode_out(source_p, source_p, old);
1252		sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1326	–	sendto_one(source_p, ":%s NOTICE %s :*** Oper privs are %s",
1327	–	me.name, source_p->name, operprivs);
1328	–	send_message_file(source_p, &ConfigFileEntry.opermotd);
1253		}
1254
1255	<	/*
1332	<	* Quick and dirty UID code for new proposed SID on EFnet
1333	<	*
1334	<	*/
1255	>	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1256
1257	<	static char new_uid[TOTALSIDUID+1];     /* allow for \0 */
1258	<	static void add_one_to_uid(int i);
1257	>	int
1258	>	valid_sid(const char *sid)
1259	>	{
1260	>	if (strlen(sid) == IRC_MAXSID)
1261	>	if (IsDigit(*sid))
1262	>	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1263	>	return 1;
1264	>
1265	>	return 0;
1266	>	}
1267
1268		/*
1269		* init_uid()
1270	<	*
1270	>	*
1271		* inputs       - NONE
1272		* output       - NONE
1273		* side effects - new_uid is filled in with server id portion (sid)
#	Line 1348 | Line 1277 | static void add_one_to_uid(int i);
1277		void
1278		init_uid(void)
1279		{
1280	<	int i;
1280	>	unsigned int i;
1281
1282		memset(new_uid, 0, sizeof(new_uid));
1283
1284	<	if (ServerInfo.sid != NULL)
1285	<	{
1357	<	memcpy(new_uid, ServerInfo.sid, IRCD_MIN(strlen(ServerInfo.sid),
1358	<	IRC_MAXSID));
1359	<	memcpy(&me.id, ServerInfo.sid, IRCD_MIN(strlen(ServerInfo.sid),
1360	<	IRC_MAXSID));
1361	<	hash_add_id(&me);
1362	<	}
1284	>	if (!EmptyString(ServerInfo.sid))
1285	>	strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1286
1287	<	for (i = 0; i < IRC_MAXSID; i++)
1288	<	if (new_uid[i] == '\0')
1287	>	for (i = 0; i < IRC_MAXSID; ++i)
1288	>	if (new_uid[i] == '\0')
1289		new_uid[i] = 'A';
1290
1291	<	/* XXX if IRC_MAXUID != 6, this will have to be rewritten */
1292	<	/* Yes nenolod, I have known it was off by one ever since I wrote it
1370	<	* But *JUST* for you, though, it really doesn't look as *pretty*
1371	<	* -Dianora
1372	<	*/
1373	<	memcpy(new_uid+IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1374	<
1375	<	entering_umode_cb = register_callback("entering_umode", NULL);
1376	<	umode_cb = register_callback("changing_umode", change_simple_umode);
1377	<	uid_get_cb = register_callback("uid_get", uid_get);
1378	<	}
1379	<
1380	<	/*
1381	<	* uid_get
1382	<	*
1383	<	* inputs       - struct Client *
1384	<	* output       - new UID is returned to caller
1385	<	* side effects - new_uid is incremented by one.
1386	<	*/
1387	<	static void *
1388	<	uid_get(va_list args)
1389	<	{
1390	<	add_one_to_uid(TOTALSIDUID-1);    /* index from 0 */
1391	<	return ((void *) new_uid);
1291	>	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1292	>	memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1293		}
1294
1295		/*
#	Line 1411 | Line 1312 | add_one_to_uid(int i)
1312		new_uid[i] = 'A';
1313		add_one_to_uid(i-1);
1314		}
1315	<	else new_uid[i] = new_uid[i] + 1;
1315	>	else
1316	>	++new_uid[i];
1317		}
1318		else
1319		{
1320	<	/* XXX if IRC_MAXUID != 6, this will have to be rewritten */
1320	>	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1321		if (new_uid[i] == 'Z')
1322	<	memcpy(new_uid+IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1322	>	memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1323		else
1324	<	new_uid[i] = new_uid[i] + 1;
1324	>	++new_uid[i];
1325		}
1326		}
1327
1328		/*
1329	+	* uid_get
1330	+	*
1331	+	* inputs       - struct Client *
1332	+	* output       - new UID is returned to caller
1333	+	* side effects - new_uid is incremented by one.
1334	+	*/
1335	+	static const char *
1336	+	uid_get(void)
1337	+	{
1338	+	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1339	+	return new_uid;
1340	+	}
1341	+
1342	+	/*
1343		* init_isupport()
1344		*
1345		* input        - NONE
#	Line 1433 | Line 1349 | add_one_to_uid(int i)
1349		void
1350		init_isupport(void)
1351		{
1436	–	isupportFile = init_MessageLine();
1437	–
1352		add_isupport("CALLERID", NULL, -1);
1353		add_isupport("CASEMAPPING", CASEMAP, -1);
1354	+	add_isupport("DEAF", "D", -1);
1355		add_isupport("KICKLEN", NULL, KICKLEN);
1356		add_isupport("MODES", NULL, MAXMODEPARAMS);
1442	–	add_isupport("NICKLEN", NULL, NICKLEN-1);
1357		#ifdef HALFOPS
1358		add_isupport("PREFIX", "(ohv)@%+", -1);
1359		add_isupport("STATUSMSG", "@%+", -1);
#	Line 1447 | Line 1361 | init_isupport(void)
1361		add_isupport("PREFIX", "(ov)@+", -1);
1362		add_isupport("STATUSMSG", "@+", -1);
1363		#endif
1364	<	add_isupport("TOPICLEN", NULL, TOPICLEN);
1364	>	add_isupport("EXCEPTS", "e", -1);
1365	>	add_isupport("INVEX", "I", -1);
1366		}
1367
1368		/*
#	Line 1482 | Line 1397 | add_isupport(const char *name, const cha
1397		dlinkAddTail(support, &support->node, &support_list);
1398		}
1399
1400	<	DupString(support->name, name);
1400	>	support->name = xstrdup(name);
1401		if (options != NULL)
1402	<	DupString(support->options, options);
1402	>	support->options = xstrdup(options);
1403		support->number = n;
1404
1405		rebuild_isupport_message_line();
#	Line 1531 | Line 1446 | rebuild_isupport_message_line(void)
1446		{
1447		char isupportbuffer[IRCD_BUFSIZE];
1448		char *p = isupportbuffer;
1449	<	dlink_node *ptr = NULL;
1449	>	dlink_node *ptr = NULL, *ptr_next = NULL;
1450		int n = 0;
1451		int tokens = 0;
1452		size_t len = 0;
1453		size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1454
1455	<	destroy_MessageLine(isupportFile);
1455	>	DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head)
1456	>	{
1457	>	dlinkDelete(ptr, &support_list_lines);
1458	>	MyFree(ptr->data);
1459	>	free_dlink_node(ptr);
1460	>	}
1461
1462		DLINK_FOREACH(ptr, support_list.head)
1463		{
1464		struct Isupport *support = ptr->data;
1465
1466	<	p += (n = ircsprintf(p, "%s", support->name));
1466	>	p += (n = sprintf(p, "%s", support->name));
1467		len += n;
1468
1469		if (support->options != NULL)
1470		{
1471	<	p += (n = ircsprintf(p, "=%s", support->options));
1471	>	p += (n = sprintf(p, "=%s", support->options));
1472		len += n;
1473		}
1474
1475		if (support->number > 0)
1476		{
1477	<	p += (n = ircsprintf(p, "=%d", support->number));
1477	>	p += (n = sprintf(p, "=%d", support->number));
1478		len += n;
1479		}
1480
#	Line 1567 | Line 1487 | rebuild_isupport_message_line(void)
1487		if (*--p == ' ')
1488		*p = '\0';
1489
1490	<	addto_MessageLine(isupportFile, isupportbuffer);
1490	>	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1491		p = isupportbuffer;
1492		len = 0;
1493		n = tokens = 0;
#	Line 1578 | Line 1498 | rebuild_isupport_message_line(void)
1498		{
1499		if (*--p == ' ')
1500		*p = '\0';
1501	<	addto_MessageLine(isupportFile, isupportbuffer);
1501	>	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1502		}
1503		}

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