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root/svn/ircd-hybrid/branches/8.2.x/src/user.c

Comparing:
ircd-hybrid-7.2/src/s_user.c (file contents), Revision 528 by michael, Sat Mar 18 15:13:11 2006 UTC vs.
ircd-hybrid-8/src/s_user.c (file contents), Revision 1219 by michael, Sun Sep 18 09:02:38 2011 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"
#	Line 35 | Line 35
35		#include "irc_string.h"
36		#include "sprintf_irc.h"
37		#include "s_bsd.h"
38	–	#include "irc_getnameinfo.h"
38		#include "ircd.h"
40	–	#include "list.h"
39		#include "listener.h"
40		#include "motd.h"
41		#include "numeric.h"
42		#include "s_conf.h"
43		#include "s_log.h"
44		#include "s_serv.h"
47	–	#include "s_stats.h"
45		#include "send.h"
46		#include "supported.h"
47		#include "whowas.h"
48		#include "memory.h"
49		#include "packet.h"
50	+	#include "rng_mt.h"
51		#include "userhost.h"
52		#include "hook.h"
53		#include "s_misc.h"
54		#include "msg.h"
55	<	#include "pcre.h"
55	>	#include "watch.h"
56	>
57
59	–	int MaxClientCount     = 1;
60	–	int MaxConnectionCount = 1;
58		struct Callback *entering_umode_cb = NULL;
59		struct Callback *umode_cb = NULL;
63	–	struct Callback *uid_get_cb = NULL;
60
61		static char umode_buffer[IRCD_BUFSIZE];
62
63		static void user_welcome(struct Client *);
64		static void report_and_set_user_flags(struct Client *, const struct AccessItem *);
65		static int check_xline(struct Client *);
66	<	static int check_regexp_xline(struct Client *);
67	<	static void introduce_client(struct Client *, struct Client *);
72	<	static void *uid_get(va_list);
66	>	static void introduce_client(struct Client *);
67	>	static const char *uid_get(void);
68
69		/* Used for building up the isupport string,
70		* used with init_isupport, add_isupport, delete_isupport
#	Line 96 | Line 91 | unsigned int user_modes[256] =
91		0,                  /* @ */
92		0,                  /* A */
93		0,                  /* B */
94	<	0,                  /* C */
94	>	UMODE_CCONN_FULL,   /* C */
95		UMODE_DEAF,         /* D */
96		0,                  /* E */
97		0,                  /* F */
#	Line 111 | Line 106 | unsigned int user_modes[256] =
106		0,                  /* O */
107		0,                  /* P */
108		0,                  /* Q */
109	<	0,                  /* R */
109	>	UMODE_REGONLY,      /* R */
110		0,                  /* S */
111		0,                  /* T */
112		0,                  /* U */
#	Line 131 | Line 126 | unsigned int user_modes[256] =
126		UMODE_CALLERID,     /* g */
127		0,                  /* h */
128		UMODE_INVISIBLE,    /* i */
129	<	0,                  /* j */
129	>	UMODE_REJ,          /* j */
130		UMODE_SKILL,        /* k */
131		UMODE_LOCOPS,       /* l */
132		0,                  /* m */
#	Line 139 | Line 134 | unsigned int user_modes[256] =
134		UMODE_OPER,         /* o */
135		0,                  /* p */
136		0,                  /* q */
137	<	UMODE_REJ,          /* r */
137	>	UMODE_REGISTERED,   /* r */
138		UMODE_SERVNOTICE,   /* s */
139		0,                  /* t */
140		UMODE_UNAUTH,       /* u */
#	Line 166 | Line 161 | assemble_umode_buffer(void)
161		unsigned int idx = 0;
162		char *umode_buffer_ptr = umode_buffer;
163
164	<	for (; idx < (sizeof(user_modes) / sizeof(int)); ++idx)
164	>	for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
165		if (user_modes[idx])
166		*umode_buffer_ptr++ = idx;
167
#	Line 195 | Line 190 | show_lusers(struct Client *source_p)
190		to = source_p->name;
191		}
192
193	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
193	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
194		sendto_one(source_p, form_str(RPL_LUSERCLIENT),
195		from, to, (Count.total-Count.invisi),
196		Count.invisi, dlink_list_length(&global_serv_list));
#	Line 215 | Line 210 | show_lusers(struct Client *source_p)
210		sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
211		from, to, dlink_list_length(&global_channel_list));
212
213	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
213	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
214		{
215		sendto_one(source_p, form_str(RPL_LUSERME),
216		from, to, Count.local, Count.myserver);
#	Line 236 | Line 231 | show_lusers(struct Client *source_p)
231		from, to, Count.total, Count.max_tot,
232		Count.total, Count.max_tot);
233
234	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
234	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
235		sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
236	<	MaxConnectionCount, MaxClientCount, Count.totalrestartcount);
236	>	Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
237
238	<	if (Count.local > MaxClientCount)
239	<	MaxClientCount = Count.local;
238	>	if (Count.local > Count.max_loc_cli)
239	>	Count.max_loc_cli = Count.local;
240
241	<	if ((Count.local + Count.myserver) > MaxConnectionCount)
242	<	MaxConnectionCount = Count.local + Count.myserver;
241	>	if ((Count.local + Count.myserver) > Count.max_loc_con)
242	>	Count.max_loc_con = Count.local + Count.myserver;
243		}
244
245		/* show_isupport()
#	Line 283 | Line 278 | show_isupport(struct Client *source_p)
278		**         nick from local user or kill him/her...
279		*/
280		void
281	<	register_local_user(struct Client *client_p, struct Client *source_p,
287	<	const char *nick, const char *username)
281	>	register_local_user(struct Client *source_p)
282		{
283	+	const char *id = NULL;
284		const struct AccessItem *aconf = NULL;
290	–	char ipaddr[HOSTIPLEN];
285		dlink_node *ptr = NULL;
292	–	dlink_node *m = NULL;
286
287		assert(source_p != NULL);
288	+	assert(source_p == source_p->from);
289		assert(MyConnect(source_p));
296	–	assert(source_p->username != username);
290		assert(!source_p->localClient->registration);
291
292	+	ClearCap(source_p, CAP_TS6);
293	+
294		if (ConfigFileEntry.ping_cookie)
295		{
296	<	if (!IsPingSent(source_p) &&
302	<	source_p->localClient->random_ping == 0)
296	>	if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
297		{
298	<	source_p->localClient->random_ping = (unsigned long)rand();
299	<	sendto_one(source_p, "PING :%lu",
298	>	do
299	>	source_p->localClient->random_ping = genrand_int32();
300	>	while (!source_p->localClient->random_ping);
301	>
302	>	sendto_one(source_p, "PING :%u",
303		source_p->localClient->random_ping);
304		SetPingSent(source_p);
305		return;
#	Line 312 | Line 309 | register_local_user(struct Client *clien
309		return;
310		}
311
312	<	source_p->localClient->last = CurrentTime;
312	>	source_p->localClient->last_privmsg = CurrentTime;
313		/* Straight up the maximum rate of flooding... */
314		source_p->localClient->allow_read = MAX_FLOOD_BURST;
315
316	<	if (!execute_callback(client_check_cb, source_p, username))
316	>	if (!execute_callback(client_check_cb, source_p, source_p->username))
317		return;
318
319		if (valid_hostname(source_p->host) == 0)
#	Line 332 | Line 329 | register_local_user(struct Client *clien
329
330		if (!IsGotId(source_p))
331		{
332	<	const char *p = NULL;
332	>	char username[USERLEN + 1];
333	>	const char *p = username;
334		unsigned int i = 0;
335
336		if (IsNeedIdentd(aconf))
337		{
338	<	ServerStats->is_ref++;
338	>	++ServerStats.is_ref;
339		sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
340		"identd to use this server", me.name, source_p->name);
341		exit_client(source_p, &me, "Install identd");
342		return;
343		}
344
345	<	p = username;
345	>	strlcpy(username, source_p->username, sizeof(username));
346
347		if (!IsNoTilde(aconf))
348		source_p->username[i++] = '~';
349
350	<	while (*p && i < USERLEN)
353	<	{
350	>	for (; *p && i < USERLEN; ++p)
351		if (*p != '[')
352		source_p->username[i++] = *p;
356	–	p++;
357	–	}
353
354		source_p->username[i] = '\0';
355		}
#	Line 366 | Line 361 | register_local_user(struct Client *clien
361
362		if (!match_conf_password(pass, aconf))
363		{
364	<	ServerStats->is_ref++;
364	>	++ServerStats.is_ref;
365		sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
366		me.name, source_p->name);
367		exit_client(source_p, &me, "Bad Password");
#	Line 382 | Line 377 | register_local_user(struct Client *clien
377		/* report if user has &^>= etc. and set flags as needed in source_p */
378		report_and_set_user_flags(source_p, aconf);
379
380	+	if (IsDead(source_p))
381	+	return;
382	+
383		/* Limit clients -
384		* We want to be able to have servers and F-line clients
385		* connect, so save room for "buffer" connections.
#	Line 395 | Line 393 | register_local_user(struct Client *clien
393		{
394		sendto_realops_flags(UMODE_FULL, L_ALL,
395		"Too many clients, rejecting %s[%s].",
396	<	nick, source_p->host);
397	<	ServerStats->is_ref++;
396	>	source_p->name, source_p->host);
397	>	++ServerStats.is_ref;
398		exit_client(source_p, &me, "Sorry, server is full - try later");
399		return;
400		}
#	Line 407 | Line 405 | register_local_user(struct Client *clien
405		char tmpstr2[IRCD_BUFSIZE];
406
407		sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
408	<	nick, source_p->username, source_p->host);
409	<	ServerStats->is_ref++;
410	<	ircsprintf(tmpstr2, "Invalid username [%s]", source_p->username);
408	>	source_p->name, source_p->username, source_p->host);
409	>	++ServerStats.is_ref;
410	>	snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
411	>	source_p->username);
412		exit_client(source_p, &me, tmpstr2);
413		return;
414		}
415
416	<	assert(source_p == client_p);
418	<
419	<	/* end of valid user name check */
420	<	if (check_xline(source_p) || check_regexp_xline(source_p))
421	<	return;
422	<
423	<	if (IsDead(client_p))
416	>	if (check_xline(source_p))
417		return;
418
419	<	if (source_p->id[0] == '\0' && me.id[0])
420	<	{
428	<	char *id = (char *)execute_callback(uid_get_cb, source_p);
429	<	while (hash_find_id(id) != NULL)
430	<	id = uid_get(NULL);
431	<
432	<	strlcpy(source_p->id, id, sizeof(source_p->id));
433	<	hash_add_id(source_p);
434	<	}
419	>	while (hash_find_id((id = uid_get())) != NULL)
420	>	;
421
422	<	irc_getnameinfo((struct sockaddr *)&source_p->localClient->ip,
423	<	source_p->localClient->ip.ss_len, ipaddr,
438	<	HOSTIPLEN, NULL, 0, NI_NUMERICHOST);
422	>	strlcpy(source_p->id, id, sizeof(source_p->id));
423	>	hash_add_id(source_p);
424
425		sendto_realops_flags(UMODE_CCONN, L_ALL,
426	<	"Client connecting: %s (%s@%s) [%s] {%s} [%s]",
427	<	nick, source_p->username, source_p->host,
426	>	"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
427	>	source_p->name, source_p->username, source_p->host,
428		ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
429	<	"255.255.255.255" : ipaddr, get_client_class(source_p),
429	>	"255.255.255.255" : source_p->sockhost,
430	>	get_client_class(source_p),
431	>	source_p->info, source_p->id);
432	>
433	>	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL,
434	>	"CLICONN %s %s %s %s %s %s %s 0 %s",
435	>	source_p->name, source_p->username, source_p->host,
436	>	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
437	>	"255.255.255.255" : source_p->sockhost,
438	>	get_client_class(source_p),
439	>	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
440	>	"<hidden>" : source_p->localClient->client_host,
441	>	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
442	>	"<hidden>" : source_p->localClient->client_server,
443		source_p->info);
444
447	–	/* If they have died in send_* don't do anything. */
448	–	if (IsDead(source_p))
449	–	return;
445
446		if (ConfigFileEntry.invisible_on_connect)
447		{
448	<	source_p->umodes |= UMODE_INVISIBLE;
449	<	Count.invisi++;
448	>	AddUMode(source_p, UMODE_INVISIBLE);
449	>	++Count.invisi;
450		}
451
452		if ((++Count.local) > Count.max_loc)
#	Line 463 | Line 458 | register_local_user(struct Client *clien
458		Count.max_loc);
459		}
460
466	–	SetClient(source_p);
467	–
468	–	source_p->servptr = &me;
469	–	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
470	–
461		/* Increment our total user count here */
462		if (++Count.total > Count.max_tot)
463		Count.max_tot = Count.total;
464	<	Count.totalrestartcount++;
464	>	++Count.totalrestartcount;
465	>
466	>	assert(source_p->servptr == &me);
467	>	SetClient(source_p);
468	>	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
469
470		source_p->localClient->allow_read = MAX_FLOOD_BURST;
471
472	<	if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
473	<	{
474	<	free_dlink_node(m);
475	<	dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
482	<	}
483	<	else assert(0);
472	>	assert(dlinkFind(&unknown_list, source_p));
473	>
474	>	dlink_move_node(&source_p->localClient->lclient_node,
475	>	&unknown_list, &local_client_list);
476
477		user_welcome(source_p);
478		add_user_host(source_p->username, source_p->host, 0);
479		SetUserHost(source_p);
480
481	<	introduce_client(client_p, source_p);
481	>	introduce_client(source_p);
482		}
483
484		/* register_remote_user()
485		*
486	<	* inputs       - client_p directly connected client
495	<	*              - source_p remote or directly connected client
486	>	* inputs       - source_p remote or directly connected client
487		*              - username to register as
488		*              - host name to register as
489		*              - server name
#	Line 502 | Line 493 | register_local_user(struct Client *clien
493		*                is introduced by a server.
494		*/
495		void
496	<	register_remote_user(struct Client *client_p, struct Client *source_p,
496	>	register_remote_user(struct Client *source_p,
497		const char *username, const char *host, const char *server,
498		const char *realname)
499		{
#	Line 512 | Line 503 | register_remote_user(struct Client *clie
503		assert(source_p->username != username);
504
505		strlcpy(source_p->host, host, sizeof(source_p->host));
515	–	strlcpy(source_p->info, realname, sizeof(source_p->info));
506		strlcpy(source_p->username, username, sizeof(source_p->username));
507
508		/*
509		* coming from another server, take the servers word for it
510		*/
511	<	source_p->servptr = find_server(server);
511	>	source_p->servptr = hash_find_server(server);
512
513		/* Super GhostDetect:
514		* If we can't find the server the user is supposed to be on,
#	Line 530 | Line 520 | register_remote_user(struct Client *clie
520		"No server %s for user %s[%s@%s] from %s",
521		server, source_p->name, source_p->username,
522		source_p->host, source_p->from->name);
523	<	kill_client(client_p, source_p, "%s (Server doesn't exist)", me.name);
523	>	kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
524
525	<	SetKilled(source_p);
525	>	AddFlag(source_p, FLAGS_KILLED);
526		exit_client(source_p, &me, "Ghosted Client");
527		return;
528		}
#	Line 541 | Line 531 | register_remote_user(struct Client *clie
531		{
532		sendto_realops_flags(UMODE_DEBUG, L_ALL,
533		"Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
534	<	client_p->name, source_p->name, source_p->username,
534	>	source_p->from->name, source_p->name, source_p->username,
535		source_p->host, source_p->servptr->name,
536		target_p->name, target_p->from->name);
537	<	kill_client(client_p, source_p,
537	>	kill_client(source_p->from, source_p,
538		"%s (NICK from wrong direction (%s != %s))",
539		me.name, source_p->servptr->name, target_p->from->name);
540	<	SetKilled(source_p);
540	>	AddFlag(source_p, FLAGS_KILLED);
541		exit_client(source_p, &me, "USER server wrong direction");
542		return;
543		}
544
545	+	/*
546	+	* If the nick has been introduced by a services server,
547	+	* make it a service as well.
548	+	*/
549	+	if (HasFlag(source_p->servptr, FLAGS_SERVICE))
550	+	AddFlag(source_p, FLAGS_SERVICE);
551	+
552		/* Increment our total user count here */
553		if (++Count.total > Count.max_tot)
554		Count.max_tot = Count.total;
555
559	–	++source_p->from->serv->dep_users;
560	–
556		SetClient(source_p);
557	<	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
557	>	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
558		add_user_host(source_p->username, source_p->host, 1);
559		SetUserHost(source_p);
560
561	<	introduce_client(client_p, source_p);
561	>	introduce_client(source_p);
562		}
563
564		/* introduce_client()
565		*
566	<	* inputs       - client_p
572	<	*              - source_p
566	>	* inputs       - source_p
567		* output       - NONE
568		* side effects - This common function introduces a client to the rest
569		*                of the net, either from a local client connect or
570		*                from a remote connect.
571		*/
572		static void
573	<	introduce_client(struct Client *client_p, struct Client *source_p)
573	>	introduce_client(struct Client *source_p)
574		{
575		dlink_node *server_node = NULL;
576		static char ubuf[12];
#	Line 586 | Line 580 | introduce_client(struct Client *client_p
580		else
581		send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
582
583	+	watch_check_hash(source_p, RPL_LOGON);
584	+
585		if (*ubuf == '\0')
586		{
587		ubuf[0] = '+';
588		ubuf[1] = '\0';
589		}
590
591	<	/* arghhh one could try not introducing new nicks to ll leafs
596	<	* but then you have to introduce them "on the fly" in SJOIN
597	<	* not fun.
598	<	* Its not going to cost much more bandwidth to simply let new
599	<	* nicks just ride on through.
600	<	*/
601	<
602	<	/* We now introduce nicks "on the fly" in SJOIN anyway --
603	<	* 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	<	*/
610	<	if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL) &&
611	<	client_p != uplink)
591	>	DLINK_FOREACH(server_node, serv_list.head)
592		{
593	<	if (IsCapable(uplink, CAP_TS6) && HasID(source_p))
593	>	struct Client *server = server_node->data;
594	>
595	>	if (server == source_p->from)
596	>	continue;
597	>
598	>	if (IsCapable(server, CAP_SVS))
599		{
600	<	sendto_one(uplink, ":%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);
600	>	if (IsCapable(server, CAP_TS6) && HasID(source_p))
601	>	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %lu :%s",
602	>	source_p->servptr->id,
603	>	source_p->name, source_p->hopcount+1,
604	>	(unsigned long)source_p->tsinfo,
605	>	ubuf, source_p->username, source_p->host,
606	>	(MyClient(source_p) && IsIPSpoof(source_p)) ?
607	>	"0" : source_p->sockhost, source_p->id,
608	>	(unsigned long)source_p->servicestamp,
609	>	source_p->info);
610	>	else
611	>	sendto_one(server, "NICK %s %d %lu %s %s %s %s %lu :%s",
612	>	source_p->name, source_p->hopcount+1,
613	>	(unsigned long)source_p->tsinfo,
614	>	ubuf, source_p->username, source_p->host,
615	>	source_p->servptr->name, (unsigned long)source_p->servicestamp,
616	>	source_p->info);
617	>
618		}
619		else
620		{
625	–	sendto_one(uplink, "NICK %s %d %lu %s %s %s %s :%s",
626	–	source_p->name, source_p->hopcount+1,
627	–	(unsigned long)source_p->tsinfo,
628	–	ubuf, source_p->username, source_p->host,
629	–	source_p->servptr->name, source_p->info);
630	–	}
631	–	}
632	–	else
633	–	{
634	–	DLINK_FOREACH(server_node, serv_list.head)
635	–	{
636	–	struct Client *server = server_node->data;
637	–
638	–	if (IsCapable(server, CAP_LL) || server == client_p)
639	–	continue;
640	–
621		if (IsCapable(server, CAP_TS6) && HasID(source_p))
622		sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
623		source_p->servptr->id,
#	Line 672 | Line 652 | valid_hostname(const char *hostname)
652
653		assert(p != NULL);
654
655	<	if ('.' == *p || ':' == *p)
655	>	if (*p == '.' || *p == ':')
656		return 0;
657
658	<	while (*p)
679	<	{
658	>	for (; *p; ++p)
659		if (!IsHostChar(*p))
660		return 0;
682	–	p++;
683	–	}
661
662		return 1;
663		}
#	Line 704 | Line 681 | valid_username(const char *username)
681
682		assert(p != NULL);
683
684	<	if ('~' == *p)
684	>	if (*p == '~')
685		++p;
686
687		/* reject usernames that don't start with an alphanum
#	Line 718 | Line 695 | valid_username(const char *username)
695		{
696		if ((*p == '.') && ConfigFileEntry.dots_in_ident)
697		{
698	<	dots++;
722	<
723	<	if (dots > ConfigFileEntry.dots_in_ident)
698	>	if (++dots > ConfigFileEntry.dots_in_ident)
699		return 0;
700	<	if (!IsUserChar(p[1]))
700	>	if (!IsUserChar(*(p + 1)))
701		return 0;
702		}
703		else if (!IsUserChar(*p))
#	Line 732 | Line 707 | valid_username(const char *username)
707		return 1;
708		}
709
710	+	/* clean_nick_name()
711	+	*
712	+	* input        - nickname
713	+	*              - whether it's a local nick (1) or remote (0)
714	+	* output       - none
715	+	* side effects - walks through the nickname, returning 0 if erroneous
716	+	*/
717	+	int
718	+	valid_nickname(const char *nickname, const int local)
719	+	{
720	+	const char *p = nickname;
721	+	assert(nickname && *nickname);
722	+
723	+	/* nicks can't start with a digit or - or be 0 length */
724	+	/* This closer duplicates behaviour of hybrid-6 */
725	+	if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
726	+	return 0;
727	+
728	+	for (; *p; ++p)
729	+	if (!IsNickChar(*p))
730	+	return 0;
731	+
732	+	return p - nickname <= (NICKLEN - 1);
733	+	}
734	+
735		/* report_and_set_user_flags()
736		*
737		* inputs       - pointer to source_p
#	Line 786 | Line 786 | report_and_set_user_flags(struct Client
786		me.name,source_p->name);
787		}
788
789	–	/* If this user is exempt from idle time outs */
790	–	if (IsConfIdlelined(aconf))
791	–	{
792	–	SetIdlelined(source_p);
793	–	sendto_one(source_p,
794	–	":%s NOTICE %s :*** You are exempt from idle limits. congrats.",
795	–	me.name, source_p->name);
796	–	}
797	–
789		if (IsConfCanFlood(aconf))
790		{
791		SetCanFlood(source_p);
#	Line 804 | Line 795 | report_and_set_user_flags(struct Client
795		}
796		}
797
807	–	/* do_local_user()
808	–	*
809	–	* inputs       -
810	–	* output       - NONE
811	–	* side effects -
812	–	*/
813	–	void
814	–	do_local_user(const char *nick, struct Client *client_p, struct Client *source_p,
815	–	const char *username, const char *host, const char *server,
816	–	const char *realname)
817	–	{
818	–	assert(source_p != NULL);
819	–	assert(source_p->username != username);
820	–
821	–	if (source_p == NULL)
822	–	return;
823	–
824	–	if (!IsUnknown(source_p))
825	–	{
826	–	sendto_one(source_p, form_str(ERR_ALREADYREGISTRED),
827	–	me.name, nick);
828	–	return;
829	–	}
830	–
831	–	source_p->localClient->registration &= ~REG_NEED_USER;
832	–
833	–	/*
834	–	* don't take the clients word for it, ever
835	–	*/
836	–	source_p->servptr = &me;
837	–
838	–	strlcpy(source_p->info, realname, sizeof(source_p->info));
839	–
840	–	if (!IsGotId(source_p))
841	–	{
842	–	/* save the username in the client
843	–	* If you move this you'll break ping cookies..you've been warned
844	–	*/
845	–	strlcpy(source_p->username, username, sizeof(source_p->username));
846	–	}
847	–
848	–	if (!source_p->localClient->registration)
849	–	/* NICK already received, now I have USER... */
850	–	register_local_user(client_p, source_p, source_p->name, username);
851	–	}
852	–
798		/* change_simple_umode()
799		*
800		* this callback can be hooked to allow special handling of
#	Line 858 | Line 803 | do_local_user(const char *nick, struct C
803		static void *
804		change_simple_umode(va_list args)
805		{
806	+	struct Client *client_p;
807		struct Client *source_p;
808		int what;
809		unsigned int flag;
810
811	<	va_arg(args, struct Client *);
811	>	client_p = va_arg(args, struct Client *);
812		source_p = va_arg(args, struct Client *);
813		what = va_arg(args, int);
814		flag = va_arg(args, unsigned int);
815
816		if (what == MODE_ADD)
817	<	source_p->umodes |= flag;
817	>	AddUMode(source_p, flag);
818		else
819	<	source_p->umodes &= ~flag;
819	>	DelUMode(source_p, flag);
820
821		return NULL;
822		}
#	Line 908 | Line 854 | set_user_mode(struct Client *client_p, s
854		return;
855		}
856
857	<	if (source_p != target_p || target_p->from != source_p->from)
857	>	if (source_p != target_p)
858		{
859		sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
860		me.name, source_p->name);
#	Line 921 | Line 867 | set_user_mode(struct Client *client_p, s
867		*m++ = '+';
868
869		for (i = 0; i < 128; i++)
870	<	if (source_p->umodes & user_modes[i])
870	>	if (HasUMode(source_p, user_modes[i]))
871		*m++ = (char)i;
872		*m = '\0';
873
#	Line 951 | Line 897 | set_user_mode(struct Client *client_p, s
897		case 'o':
898		if (what == MODE_ADD)
899		{
900	<	if (IsServer(client_p) && !IsOper(source_p))
900	>	if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
901		{
902		++Count.oper;
903		SetOper(source_p);
#	Line 962 | Line 908 | set_user_mode(struct Client *client_p, s
908		/* Only decrement the oper counts if an oper to begin with
909		* found by Pat Szuta, Perly , perly@xnet.com
910		*/
911	<	if (!IsOper(source_p))
911	>	if (!HasUMode(source_p, UMODE_OPER))
912		break;
913
914		ClearOper(source_p);
969	–	source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
915		Count.oper--;
916
917		if (MyConnect(source_p))
#	Line 974 | Line 919 | set_user_mode(struct Client *client_p, s
919		dlink_node *dm;
920
921		detach_conf(source_p, OPER_TYPE);
922	<	ClearOperFlags(source_p);
922	>	ClrOFlag(source_p);
923	>	DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
924
925		if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
926		free_dlink_node(dm);
#	Line 986 | Line 932 | set_user_mode(struct Client *client_p, s
932		/* we may not get these,
933		* but they shouldnt be in default
934		*/
935	+	case 'r':
936		case ' ' :
937		case '\n':
938		case '\r':
#	Line 995 | Line 942 | set_user_mode(struct Client *client_p, s
942		default:
943		if ((flag = user_modes[(unsigned char)*m]))
944		{
945	<	if (MyConnect(source_p) && !IsOper(source_p) &&
945	>	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
946		(ConfigFileEntry.oper_only_umodes & flag))
947		{
948		badflag = 1;
#	Line 1018 | Line 965 | set_user_mode(struct Client *client_p, s
965		sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
966		me.name, source_p->name);
967
968	<	if ((source_p->umodes & UMODE_NCHANGE) && !IsOperN(source_p))
968	>	if (HasUMode(source_p, UMODE_NCHANGE) && !HasOFlag(source_p, OPER_FLAG_N))
969		{
970	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
970	>	sendto_one(source_p, ":%s NOTICE %s :*** You have no nchange flag;",
971		me.name, source_p->name);
972	<	source_p->umodes &= ~UMODE_NCHANGE; /* only tcm's really need this */
972	>	DelUMode(source_p, UMODE_NCHANGE);
973		}
974
975	<	if (MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
976	<	!IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
975	>	if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
976	>	!HasOFlag(source_p, OPER_FLAG_HIDDEN_ADMIN|OPER_FLAG_ADMIN))
977		{
978		sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
979		me.name, source_p->name);
980	<	source_p->umodes &= ~UMODE_ADMIN;
980	>	DelUMode(source_p, UMODE_ADMIN);
981		}
982
983	<	if (!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
983	>	if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
984		++Count.invisi;
985	<	if ((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
985	>	if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
986		--Count.invisi;
987
988		/*
#	Line 1048 | Line 995 | set_user_mode(struct Client *client_p, s
995		/* send_umode()
996		* send the MODE string for user (user) to connection client_p
997		* -avalon
998	+	*
999	+	* inputs       - client_p
1000	+	*              - source_p
1001	+	*              - int old
1002	+	*              - sendmask mask of modes to send
1003	+	*              - suplied umode_buf
1004	+	* output       - NONE
1005		*/
1006		void
1007		send_umode(struct Client *client_p, struct Client *source_p,
1008		unsigned int old, unsigned int sendmask, char *umode_buf)
1009		{
1010	+	char *m = umode_buf;
1011		int what = 0;
1012		unsigned int i;
1013		unsigned int flag;
1059	–	char *m = umode_buf;
1014
1015		/*
1016		* build a string in umode_buf to represent the change in the user's
#	Line 1071 | Line 1025 | send_umode(struct Client *client_p, stru
1025		if (MyClient(source_p) && !(flag & sendmask))
1026		continue;
1027
1028	<	if ((flag & old) && !(source_p->umodes & flag))
1028	>	if ((flag & old) && !HasUMode(source_p, flag))
1029		{
1030		if (what == MODE_DEL)
1031		*m++ = (char)i;
#	Line 1082 | Line 1036 | send_umode(struct Client *client_p, stru
1036		*m++ = (char)i;
1037		}
1038		}
1039	<	else if (!(flag & old) && (source_p->umodes & flag))
1039	>	else if (!(flag & old) && HasUMode(source_p, flag))
1040		{
1041		if (what == MODE_ADD)
1042		*m++ = (char)i;
#	Line 1113 | Line 1067 | void
1067		send_umode_out(struct Client *client_p, struct Client *source_p,
1068		unsigned int old)
1069		{
1070	<	char buf[IRCD_BUFSIZE];
1070	>	char buf[IRCD_BUFSIZE] = { '\0' };
1071		dlink_node *ptr = NULL;
1072
1073	<	send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1073	>	send_umode(NULL, source_p, old, HasOFlag(source_p, OPER_FLAG_HIDDEN_ADMIN) ?
1074		SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
1075
1076	<	if (*buf)
1076	>	if (buf[0])
1077		{
1078		DLINK_FOREACH(ptr, serv_list.head)
1079		{
1080		struct Client *target_p = ptr->data;
1081
1082		if ((target_p != client_p) && (target_p != source_p))
1083	<	{
1084	<	if ((!(ServerInfo.hub && IsCapable(target_p, CAP_LL))) ||
1085	<	(target_p->localClient->serverMask &
1132	<	source_p->lazyLinkClientExists))
1133	<	sendto_one(target_p, ":%s MODE %s :%s",
1134	<	ID_or_name(source_p, target_p),
1135	<	ID_or_name(source_p, target_p), buf);
1136	<	}
1083	>	sendto_one(target_p, ":%s MODE %s :%s",
1084	>	ID_or_name(source_p, target_p),
1085	>	ID_or_name(source_p, target_p), buf);
1086		}
1087		}
1088
#	Line 1181 | Line 1130 | user_welcome(struct Client *source_p)
1130
1131		if (ConfigFileEntry.short_motd)
1132		{
1133	<	sendto_one(source_p, "NOTICE %s :*** Notice -- motd was last changed at %s",
1134	<	source_p->name, ConfigFileEntry.motd.lastChangedDate);
1133	>	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
1134	>	me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
1135		sendto_one(source_p,
1136	<	"NOTICE %s :*** Notice -- Please read the motd if you haven't "
1137	<	"read it", source_p->name);
1136	>	":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1137	>	"read it", me.name, source_p->name);
1138		sendto_one(source_p, form_str(RPL_MOTDSTART),
1139		me.name, source_p->name, me.name);
1140		sendto_one(source_p, form_str(RPL_MOTD),
#	Line 1207 | Line 1156 | user_welcome(struct Client *source_p)
1156		static int
1157		check_xline(struct Client *source_p)
1158		{
1159	<	struct ConfItem *conf;
1160	<	struct MatchItem *xconf;
1212	<	const char *reason;
1159	>	struct ConfItem *conf = NULL;
1160	>	const char *reason = NULL;
1161
1162	<	if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info,
1163	<	NULL, NULL, 0)) != NULL)
1162	>	if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info, NULL, NULL, 0)) ||
1163	>	(conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
1164		{
1165	<	xconf = map_to_conf(conf);
1218	<	xconf->count++;
1165	>	struct MatchItem *reg = map_to_conf(conf);
1166
1167	<	if (xconf->reason != NULL)
1168	<	reason = xconf->reason;
1167	>	++reg->count;
1168	>
1169	>	if (reg->reason != NULL)
1170	>	reason = reg->reason;
1171		else
1172		reason = "No Reason";
1173
#	Line 1228 | Line 1177 | check_xline(struct Client *source_p)
1177		get_client_name(source_p, HIDE_IP),
1178		source_p->sockhost);
1179
1180	<	ServerStats->is_ref++;
1180	>	++ServerStats.is_ref;
1181		if (REJECT_HOLD_TIME > 0)
1182		{
1183		sendto_one(source_p, ":%s NOTICE %s :Bad user info",
#	Line 1244 | Line 1193 | check_xline(struct Client *source_p)
1193		return 0;
1194		}
1195
1247	–	static int
1248	–	check_regexp_xline(struct Client *source_p)
1249	–	{
1250	–	struct ConfItem *conf = NULL;
1251	–	const char *reason = NULL;
1252	–
1253	–	if ((conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
1254	–	{
1255	–	struct MatchItem *reg = map_to_conf(conf);
1256	–
1257	–	++reg->count;
1258	–
1259	–	if (reg->reason != NULL)
1260	–	reason = reg->reason;
1261	–	else
1262	–	reason = "No Reason";
1263	–
1264	–	sendto_realops_flags(UMODE_REJ, L_ALL,
1265	–	"X-line (REGEX) Rejecting [%s] [%s], user %s [%s]",
1266	–	source_p->info, reason,
1267	–	get_client_name(source_p, HIDE_IP),
1268	–	source_p->sockhost);
1269	–
1270	–	ServerStats->is_ref++;
1271	–	exit_client(source_p, &me, "Bad user info");
1272	–	return 1;
1273	–	}
1274	–
1275	–	return 0;
1276	–	}
1277	–
1196		/* oper_up()
1197		*
1198		* inputs       - pointer to given client to oper
#	Line 1297 | Line 1215 | oper_up(struct Client *source_p)
1215		SetOper(source_p);
1216
1217		if (oconf->modes)
1218	<	source_p->umodes |= oconf->modes;
1218	>	AddUMode(source_p, oconf->modes);
1219		else if (ConfigFileEntry.oper_umodes)
1220	<	source_p->umodes |= ConfigFileEntry.oper_umodes;
1220	>	AddUMode(source_p, ConfigFileEntry.oper_umodes);
1221		else
1222	<	source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1223	<	UMODE_WALLOP|UMODE_LOCOPS);
1222	>	AddUMode(source_p, UMODE_SERVNOTICE|UMODE_OPERWALL|
1223	>	UMODE_WALLOP|UMODE_LOCOPS);
1224	>
1225	>	if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
1226	>	++Count.invisi;
1227	>	if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
1228	>	--Count.invisi;
1229
1230		assert(dlinkFind(&oper_list, source_p) == NULL);
1231		dlinkAdd(source_p, make_dlink_node(), &oper_list);
1232
1233		operprivs = oper_privs_as_string(oconf->port);
1234
1235	<	SetOFlag(source_p, oconf->port);
1235	>	AddOFlag(source_p, oconf->port);
1236
1237	<	if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
1238	<	source_p->umodes |= UMODE_ADMIN;
1239	<	if (!IsOperN(source_p))
1240	<	source_p->umodes &= ~UMODE_NCHANGE;
1237	>	if (HasOFlag(source_p, OPER_FLAG_HIDDEN_ADMIN|OPER_FLAG_ADMIN))
1238	>	AddUMode(source_p, UMODE_ADMIN);
1239	>	if (!HasOFlag(source_p, OPER_FLAG_N))
1240	>	DelUMode(source_p, UMODE_NCHANGE);
1241
1242		sendto_realops_flags(UMODE_ALL, L_ALL, "%s (%s@%s) is now an operator",
1243		source_p->name, source_p->username, source_p->host);
#	Line 1325 | Line 1248 | oper_up(struct Client *source_p)
1248		send_message_file(source_p, &ConfigFileEntry.opermotd);
1249		}
1250
1251	<	/*
1329	<	* Quick and dirty UID code for new proposed SID on EFnet
1330	<	*
1331	<	*/
1251	>	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1252
1253	<	static char new_uid[TOTALSIDUID+1];     /* allow for \0 */
1254	<	static void add_one_to_uid(int i);
1253	>	int
1254	>	valid_sid(const char *sid)
1255	>	{
1256	>	if (strlen(sid) == IRC_MAXSID)
1257	>	if (IsDigit(*sid))
1258	>	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1259	>	return 1;
1260	>
1261	>	return 0;
1262	>	}
1263
1264		/*
1265		* init_uid()
#	Line 1349 | Line 1277 | init_uid(void)
1277
1278		memset(new_uid, 0, sizeof(new_uid));
1279
1280	<	if (ServerInfo.sid != NULL)
1281	<	{
1354	<	memcpy(new_uid, ServerInfo.sid, IRCD_MIN(strlen(ServerInfo.sid),
1355	<	IRC_MAXSID));
1356	<	memcpy(&me.id, ServerInfo.sid, IRCD_MIN(strlen(ServerInfo.sid),
1357	<	IRC_MAXSID));
1358	<	hash_add_id(&me);
1359	<	}
1280	>	if (!EmptyString(ServerInfo.sid))
1281	>	strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1282
1283	<	for (i = 0; i < IRC_MAXSID; i++)
1283	>	for (i = 0; i < IRC_MAXSID; ++i)
1284		if (new_uid[i] == '\0')
1285		new_uid[i] = 'A';
1286
1287	<	/* XXX if IRC_MAXUID != 6, this will have to be rewritten */
1287	>	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1288		/* Yes nenolod, I have known it was off by one ever since I wrote it
1289		* But *JUST* for you, though, it really doesn't look as *pretty*
1290		* -Dianora
1291		*/
1292	<	memcpy(new_uid+IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1292	>	memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1293
1294		entering_umode_cb = register_callback("entering_umode", NULL);
1295		umode_cb = register_callback("changing_umode", change_simple_umode);
1374	–	uid_get_cb = register_callback("uid_get", uid_get);
1375	–	}
1376	–
1377	–	/*
1378	–	* uid_get
1379	–	*
1380	–	* inputs       - struct Client *
1381	–	* output       - new UID is returned to caller
1382	–	* side effects - new_uid is incremented by one.
1383	–	*/
1384	–	static void *
1385	–	uid_get(va_list args)
1386	–	{
1387	–	add_one_to_uid(TOTALSIDUID-1);    /* index from 0 */
1388	–	return ((void *) new_uid);
1296		}
1297
1298		/*
#	Line 1408 | Line 1315 | add_one_to_uid(int i)
1315		new_uid[i] = 'A';
1316		add_one_to_uid(i-1);
1317		}
1318	<	else new_uid[i] = new_uid[i] + 1;
1318	>	else
1319	>	++new_uid[i];
1320		}
1321		else
1322		{
1323	<	/* XXX if IRC_MAXUID != 6, this will have to be rewritten */
1323	>	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1324		if (new_uid[i] == 'Z')
1325	<	memcpy(new_uid+IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1325	>	memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1326		else
1327	<	new_uid[i] = new_uid[i] + 1;
1327	>	++new_uid[i];
1328		}
1329		}
1330
1331		/*
1332	+	* uid_get
1333	+	*
1334	+	* inputs       - struct Client *
1335	+	* output       - new UID is returned to caller
1336	+	* side effects - new_uid is incremented by one.
1337	+	*/
1338	+	static const char *
1339	+	uid_get(void)
1340	+	{
1341	+	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1342	+	return new_uid;
1343	+	}
1344	+
1345	+	/*
1346		* init_isupport()
1347		*
1348		* input        - NONE
#	Line 1434 | Line 1356 | init_isupport(void)
1356
1357		add_isupport("CALLERID", NULL, -1);
1358		add_isupport("CASEMAPPING", CASEMAP, -1);
1359	+	add_isupport("DEAF", "D", -1);
1360		add_isupport("KICKLEN", NULL, KICKLEN);
1361		add_isupport("MODES", NULL, MAXMODEPARAMS);
1362		add_isupport("NICKLEN", NULL, NICKLEN-1);

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