ViewVC Help

View File | Revision Log | Show Annotations | View Changeset | Root Listing

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

Comparing ircd-hybrid/trunk/src/user.c (file contents):
Revision 6156 by michael, Thu Jun 18 09:19:25 2015 UTC vs.
Revision 7599 by michael, Mon Jun 13 18:56:33 2016 UTC

#	Line 1 | Line 1
1		/*
2		*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (c) 1997-2015 ircd-hybrid development team
4	>	*  Copyright (c) 1997-2016 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 31 | Line 31
31		#include "channel_mode.h"
32		#include "client.h"
33		#include "hash.h"
34	+	#include "id.h"
35		#include "irc_string.h"
36		#include "ircd.h"
37		#include "listener.h"
38		#include "motd.h"
39		#include "numeric.h"
40		#include "conf.h"
41	+	#include "conf_gecos.h"
42		#include "log.h"
43		#include "server.h"
44		#include "send.h"
#	Line 47 | Line 49
49		#include "misc.h"
50		#include "parse.h"
51		#include "watch.h"
52	+	#include "isupport.h"
53	+	#include "tls.h"
54
55		static char umode_buffer[IRCD_BUFSIZE];
52	–	static const char *uid_get(void);
53	–
54	–	/* Used for building up the isupport string,
55	–	* used with init_isupport, add_isupport, delete_isupport
56	–	*/
57	–	struct Isupport
58	–	{
59	–	dlink_node node;
60	–	char *name;
61	–	char *options;
62	–	int number;
63	–	};
64	–
65	–	static dlink_list support_list;
66	–	static dlink_list support_list_lines;
56
57		const struct user_modes *umode_map[256];
58		const struct user_modes  umode_tab[] =
#	Line 100 | Line 89 | const struct user_modes  umode_tab[] =
89		};
90
91		void
92	<	user_usermodes_init(void)
92	>	user_modes_init(void)
93		{
94		char *umode_buffer_ptr = umode_buffer;
95
#	Line 162 | Line 151 | show_lusers(struct Client *source_p)
151		Count.max_loc_con = Count.local + Count.myserver;
152		}
153
165	–	/* show_isupport()
166	–	*
167	–	* inputs       - pointer to client
168	–	* output       - NONE
169	–	* side effects - display to client what we support (for them)
170	–	*/
171	–	void
172	–	show_isupport(struct Client *source_p)
173	–	{
174	–	const dlink_node *node = NULL;
175	–
176	–	DLINK_FOREACH(node, support_list_lines.head)
177	–	sendto_one_numeric(source_p, &me, RPL_ISUPPORT, node->data);
178	–	}
179	–
180	–
154		/* report_and_set_user_flags()
155		*
156		* inputs       - pointer to source_p
#	Line 191 | Line 164 | report_and_set_user_flags(struct Client
164		{
165		/* If this user is being spoofed, tell them so */
166		if (IsConfDoSpoofIp(conf))
167	<	sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
167	>	sendto_one_notice(source_p, &me, ":*** Spoofing your IP");
168
169		/* If this user is in the exception class, set it "E lined" */
170		if (IsConfExemptKline(conf))
171		{
172	<	SetExemptKline(source_p);
173	<	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines. Congrats.");
172	>	AddFlag(source_p, FLAGS_EXEMPTKLINE);
173	>	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines");
174		}
175
176		if (IsConfExemptXline(conf))
177		{
178	<	SetExemptXline(source_p);
179	<	sendto_one_notice(source_p, &me, ":*** You are exempt from X lines. Congrats.");
178	>	AddFlag(source_p, FLAGS_EXEMPTXLINE);
179	>	sendto_one_notice(source_p, &me, ":*** You are exempt from X lines");
180		}
181
182		if (IsConfExemptResv(conf))
183		{
184	<	SetExemptResv(source_p);
185	<	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
184	>	AddFlag(source_p, FLAGS_EXEMPTRESV);
185	>	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs");
186		}
187
188		/* If this user is exempt from user limits set it "F lined" */
189		if (IsConfExemptLimits(conf))
190		{
191	<	SetExemptLimits(source_p);
192	<	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
191	>	AddFlag(source_p, FLAGS_NOLIMIT);
192	>	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits");
193		}
194
195		if (IsConfCanFlood(conf))
196		{
197	<	SetCanFlood(source_p);
198	<	sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
226	<	"protection, aren't you fearsome.");
197	>	AddFlag(source_p, FLAGS_CANFLOOD);
198	>	sendto_one_notice(source_p, &me, ":*** You are exempt from flood protection");
199		}
200		}
201
#	Line 241 | Line 213 | introduce_client(struct Client *source_p
213		dlink_node *node = NULL;
214		char ubuf[IRCD_BUFSIZE] = "";
215
216	<	if (MyClient(source_p))
245	<	send_umode(source_p, source_p, 0, ubuf);
246	<	else
247	<	send_umode(NULL, source_p, 0, ubuf);
248	<
216	>	send_umode(source_p, MyConnect(source_p), 0, ubuf);
217		watch_check_hash(source_p, RPL_LOGON);
218
219		if (ubuf[0] == '\0')
#	Line 261 | Line 229 | introduce_client(struct Client *source_p
229		if (server == source_p->from)
230		continue;
231
232	<	if (IsCapable(server, CAP_SVS))
233	<	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
234	<	source_p->servptr->id,
235	<	source_p->name, source_p->hopcount+1,
236	<	(unsigned long)source_p->tsinfo,
237	<	ubuf, source_p->username, source_p->host,
238	<	source_p->sockhost, source_p->id,
239	<	source_p->account,
272	<	source_p->info);
273	<	else
274	<	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
275	<	source_p->servptr->id,
276	<	source_p->name, source_p->hopcount+1,
277	<	(unsigned long)source_p->tsinfo,
278	<	ubuf, source_p->username, source_p->host,
279	<	source_p->sockhost, source_p->id, source_p->info);
232	>	sendto_one(server, ":%s UID %s %u %ju %s %s %s %s %s %s :%s",
233	>	source_p->servptr->id,
234	>	source_p->name, source_p->hopcount+1,
235	>	source_p->tsinfo,
236	>	ubuf, source_p->username, source_p->host,
237	>	source_p->sockhost, source_p->id,
238	>	source_p->account,
239	>	source_p->info);
240
241		if (!EmptyString(source_p->certfp))
242		sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
#	Line 292 | Line 252 | introduce_client(struct Client *source_p
252		static void
253		user_welcome(struct Client *source_p)
254		{
295	–	#if defined(__TIME__) && defined(__DATE__)
255		static const char built_date[] = __DATE__ " at " __TIME__;
297	–	#else
298	–	static const char built_date[] = "unknown";
299	–	#endif
256
301	–	#ifdef HAVE_LIBCRYPTO
257		if (HasFlag(source_p, FLAGS_SSL))
258		{
259		AddUMode(source_p, UMODE_SSL);
260		sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
261	<	ssl_get_cipher(source_p->connection->fd.ssl));
261	>	tls_get_cipher(&source_p->connection->fd.ssl));
262		}
308	–	#endif
263
264		sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
265		source_p->name);
266		sendto_one_numeric(source_p, &me, RPL_YOURHOST,
267	<	get_listener_name(source_p->connection->listener), ircd_version);
267	>	listener_get_name(source_p->connection->listener), ircd_version);
268		sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
269		sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
316	–	show_isupport(source_p);
317	–	sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
270
271	+	isupport_show(source_p);
272		show_lusers(source_p);
273		motd_signon(source_p);
274		}
#	Line 329 | Line 282 | user_welcome(struct Client *source_p)
282		static int
283		check_xline(struct Client *source_p)
284		{
285	<	struct MaskItem *conf = NULL;
285	>	const struct GecosItem *gecos = NULL;
286
287	<	if (IsExemptXline(source_p))
287	>	if (HasFlag(source_p, FLAGS_EXEMPTXLINE))
288		return 0;
289
290	<	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
290	>	if ((gecos = gecos_find(source_p->info, match)))
291		{
339	–	++conf->count;
292		sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
293		"X-line Rejecting [%s] [%s], user %s [%s]",
294	<	source_p->info, conf->reason,
294	>	source_p->info, gecos->reason,
295		get_client_name(source_p, HIDE_IP),
296		source_p->sockhost);
297
#	Line 359 | Line 311 | check_xline(struct Client *source_p)
311		void
312		register_local_user(struct Client *source_p)
313		{
362	–	const char *id = NULL;
314		const struct MaskItem *conf = NULL;
315
316		assert(source_p == source_p->from);
#	Line 369 | Line 320 | register_local_user(struct Client *sourc
320
321		if (ConfigGeneral.ping_cookie)
322		{
323	<	if (!IsPingSent(source_p) && !source_p->connection->random_ping)
323	>	if (!HasFlag(source_p, FLAGS_PINGSENT) && !source_p->connection->random_ping)
324		{
325		do
326		source_p->connection->random_ping = genrand_int32();
327		while (!source_p->connection->random_ping);
328
329		sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
330	<	SetPingSent(source_p);
330	>	AddFlag(source_p, FLAGS_PINGSENT);
331		return;
332		}
333
334	<	if (!HasPingCookie(source_p))
334	>	if (!HasFlag(source_p, FLAGS_PING_COOKIE))
335		return;
336		}
337
#	Line 400 | Line 351 | register_local_user(struct Client *sourc
351
352		conf = source_p->connection->confs.head->data;
353
354	<	if (!IsGotId(source_p))
354	>	if (!HasFlag(source_p, FLAGS_GOTID))
355		{
356		char username[USERLEN + 1] = "";
406	–	const char *p = username;
357		unsigned int i = 0;
358
359		if (IsNeedIdentd(conf))
#	Line 420 | Line 370 | register_local_user(struct Client *sourc
370		if (!IsNoTilde(conf))
371		source_p->username[i++] = '~';
372
373	<	for (; *p && i < USERLEN; ++p)
373	>	for (const char *p = username; *p && i < USERLEN; ++p)
374		source_p->username[i++] = *p;
375
376		source_p->username[i] = '\0';
#	Line 462 | Line 412 | register_local_user(struct Client *sourc
412		*   -Taner
413		*/
414		if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
415	<	(Count.local >= GlobalSetOptions.maxclients && !IsExemptLimits(source_p)))
415	>	(Count.local >= GlobalSetOptions.maxclients && !HasFlag(source_p, FLAGS_NOLIMIT)))
416		{
417		sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
418		"Too many clients, rejecting %s[%s].",
#	Line 488 | Line 438 | register_local_user(struct Client *sourc
438		if (check_xline(source_p))
439		return;
440
441	+	const char *id;
442		while (hash_find_id((id = uid_get())))
443		;
444
#	Line 512 | Line 463 | register_local_user(struct Client *sourc
463		Count.max_loc = Count.local;
464
465		if (!(Count.max_loc % 10))
466	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
466	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
467		"New maximum local client connections: %u",
468		Count.max_loc);
469		}
#	Line 532 | Line 483 | register_local_user(struct Client *sourc
483		&unknown_list, &local_client_list);
484
485		user_welcome(source_p);
486	<	add_user_host(source_p->username, source_p->host, 0);
487	<	SetUserHost(source_p);
486	>	userhost_add(source_p->username, source_p->host, 0);
487	>	AddFlag(source_p, FLAGS_USERHOST);
488
489		introduce_client(source_p);
490		}
#	Line 583 | Line 534 | register_remote_user(struct Client *sour
534		SetClient(source_p);
535		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
536		dlinkAdd(source_p, &source_p->node, &global_client_list);
537	<	add_user_host(source_p->username, source_p->host, 1);
538	<	SetUserHost(source_p);
537	>	userhost_add(source_p->username, source_p->host, 1);
538	>	AddFlag(source_p, FLAGS_USERHOST);
539
540		if (HasFlag(source_p->servptr, FLAGS_EOB))
541		sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
#	Line 636 | Line 587 | valid_hostname(const char *hostname)
587		int
588		valid_username(const char *username, const int local)
589		{
639	–	unsigned int dots = 0;
590		const char *p = username;
591
592		assert(p);
#	Line 654 | Line 604 | valid_username(const char *username, con
604
605		if (local)
606		{
607	+	unsigned int dots = 0;
608	+
609		while (*++p)
610		{
611		if (*p == '.' && ConfigGeneral.dots_in_ident)
#	Line 704 | Line 656 | valid_nickname(const char *nickname, con
656		return p - nickname <= NICKLEN;
657		}
658
659	<	/* send_umode()
660	<	* send the MODE string for user (user) to connection client_p
661	<	* -avalon
662	<	*
663	<	* inputs       - client_p
712	<	*              - source_p
713	<	*              - int old
714	<	*              - sendmask mask of modes to send
715	<	*              - suplied umode_buf
716	<	* output       - NONE
659	>	/*! \brief Builds a mode change string to buffer pointed by \a buf
660	>	* \param client_p  Pointer to client
661	>	* \param send      Whether to send a MODE message to client_p
662	>	* \param old       Old user mode to compare against when building new mode buffer
663	>	* \param buf       Pointer to buffer to build string in
664		*/
665		void
666	<	send_umode(struct Client *client_p, struct Client *source_p,
667	<	unsigned int old, char *umode_buf)
666	>	send_umode(struct Client *client_p, unsigned int send,
667	>	unsigned int old, char *buf)
668		{
669	<	char *m = umode_buf;
669	>	char *m = buf;
670		int what = 0;
671
672		/*
#	Line 728 | Line 675 | send_umode(struct Client *client_p, stru
675		*/
676		for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
677		{
678	<	if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
678	>	if ((tab->flag & old) && !HasUMode(client_p, tab->flag))
679		{
680		if (what == MODE_DEL)
681		*m++ = tab->c;
#	Line 739 | Line 686 | send_umode(struct Client *client_p, stru
686		*m++ = tab->c;
687		}
688		}
689	<	else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
689	>	else if (!(tab->flag & old) && HasUMode(client_p, tab->flag))
690		{
691		if (what == MODE_ADD)
692		*m++ = tab->c;
#	Line 754 | Line 701 | send_umode(struct Client *client_p, stru
701
702		*m = '\0';
703
704	<	if (*umode_buf && client_p)
704	>	if (send && *buf)
705		sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
706		client_p->name, client_p->username,
707	<	client_p->host, client_p->name, umode_buf);
707	>	client_p->host, client_p->name, buf);
708		}
709
710		/* send_umode_out()
#	Line 771 | Line 718 | send_umode_out(struct Client *source_p,
718		{
719		char buf[IRCD_BUFSIZE] = "";
720
721	<	send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
721	>	send_umode(source_p, MyClient(source_p), old, buf);
722
723		if (buf[0])
724		sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
#	Line 798 | Line 745 | user_set_hostmask(struct Client *target_
745		}
746
747		if (ConfigGeneral.cycle_on_host_change)
748	<	sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
748	>	sendto_common_channels_local(target_p, 0, 0, CAP_CHGHOST, ":%s!%s@%s QUIT :Changing hostname",
749		target_p->name, target_p->username, target_p->host);
750
751	<	if (IsUserHostIp(target_p))
752	<	delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
751	>	sendto_common_channels_local(target_p, 0, CAP_CHGHOST, 0, ":%s!%s@%s CHGHOST %s %s",
752	>	target_p->name, target_p->username,
753	>	target_p->host, target_p->username, hostname);
754	>
755	>	if (HasFlag(target_p, FLAGS_USERHOST))
756	>	userhost_del(target_p->username, target_p->host, !MyConnect(target_p));
757
758		strlcpy(target_p->host, hostname, sizeof(target_p->host));
759
760	<	add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
761	<	SetUserHost(target_p);
760	>	userhost_add(target_p->username, target_p->host, !MyConnect(target_p));
761	>	AddFlag(target_p, FLAGS_USERHOST);
762
763	<	if (MyClient(target_p))
763	>	if (MyConnect(target_p))
764		{
765		sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
766		clear_ban_cache_client(target_p);
#	Line 820 | Line 771 | user_set_hostmask(struct Client *target_
771
772		DLINK_FOREACH(node, target_p->channel.head)
773		{
774	<	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
774	>	char modebuf[CMEMBER_STATUS_FLAGS_LEN + 1];
775	>	char nickbuf[CMEMBER_STATUS_FLAGS_LEN * NICKLEN + CMEMBER_STATUS_FLAGS_LEN] = "";
776		char *p = modebuf;
777		int len = 0;
778		const struct Membership *member = node->data;
#	Line 845 | Line 797 | user_set_hostmask(struct Client *target_
797
798		*p = '\0';
799
800	<
801	<	sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
802	<	target_p->name, target_p->username,
803	<	target_p->host, member->chptr->name,
804	<	(!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
805	<	target_p->info);
806	<	sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
855	<	target_p->name, target_p->username,
856	<	target_p->host, member->chptr->name);
800	>	sendto_channel_local(target_p, member->chptr, 0, CAP_EXTENDED_JOIN, CAP_CHGHOST, ":%s!%s@%s JOIN %s %s :%s",
801	>	target_p->name, target_p->username,
802	>	target_p->host, member->chptr->name,
803	>	target_p->account, target_p->info);
804	>	sendto_channel_local(target_p, member->chptr, 0, 0, CAP_EXTENDED_JOIN | CAP_CHGHOST, ":%s!%s@%s JOIN :%s",
805	>	target_p->name, target_p->username,
806	>	target_p->host, member->chptr->name);
807
808		if (nickbuf[0])
809	<	sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
810	<	target_p->servptr->name, member->chptr->name,
811	<	modebuf, nickbuf);
862	<
809	>	sendto_channel_local(target_p, member->chptr, 0, 0, CAP_CHGHOST, ":%s MODE %s +%s %s",
810	>	target_p->servptr->name, member->chptr->name,
811	>	modebuf, nickbuf);
812		}
813
814		if (target_p->away[0])
815	<	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
815	>	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY, CAP_CHGHOST,
816		":%s!%s@%s AWAY :%s",
817		target_p->name, target_p->username,
818		target_p->host, target_p->away);
819		}
871	–
872	–	/*! \brief Blindly opers up given source_p, using conf info.
873	–	*         All checks on passwords have already been done.
874	–	* \param source_p Pointer to given client to oper
875	–	*/
876	–	void
877	–	oper_up(struct Client *source_p)
878	–	{
879	–	const unsigned int old = source_p->umodes;
880	–	const struct MaskItem *const conf = source_p->connection->confs.head->data;
881	–
882	–	assert(source_p->connection->confs.head);
883	–
884	–	++Count.oper;
885	–	SetOper(source_p);
886	–
887	–	if (conf->modes)
888	–	AddUMode(source_p, conf->modes);
889	–	else if (ConfigGeneral.oper_umodes)
890	–	AddUMode(source_p, ConfigGeneral.oper_umodes);
891	–
892	–	if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
893	–	++Count.invisi;
894	–	if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
895	–	--Count.invisi;
896	–
897	–	assert(dlinkFind(&oper_list, source_p) == NULL);
898	–	dlinkAdd(source_p, make_dlink_node(), &oper_list);
899	–
900	–	AddOFlag(source_p, conf->port);
901	–
902	–	if (HasOFlag(source_p, OPER_FLAG_ADMIN))
903	–	AddUMode(source_p, UMODE_ADMIN);
904	–
905	–	if (!EmptyString(conf->whois))
906	–	{
907	–	client_attach_svstag(source_p, RPL_WHOISOPERATOR, "+", conf->whois);
908	–	sendto_server(source_p, 0, 0, ":%s SVSTAG %s %lu %u + :%s",
909	–	me.id, source_p->id, (unsigned long)source_p->tsinfo,
910	–	RPL_WHOISOPERATOR, conf->whois);
911	–	}
912	–
913	–	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
914	–	get_oper_name(source_p));
915	–	sendto_server(NULL, 0, 0, ":%s GLOBOPS :%s is now an operator",
916	–	me.id, get_oper_name(source_p));
917	–	send_umode_out(source_p, old);
918	–	sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
919	–	}
920	–
921	–	static char new_uid[TOTALSIDUID + 1];  /* Allow for \0 */
922	–
923	–	int
924	–	valid_sid(const char *sid)
925	–	{
926	–	if (strlen(sid) == IRC_MAXSID)
927	–	if (IsDigit(*sid))
928	–	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
929	–	return 1;
930	–
931	–	return 0;
932	–	}
933	–
934	–	/*
935	–	* init_uid()
936	–	*
937	–	* inputs       - NONE
938	–	* output       - NONE
939	–	* side effects - new_uid is filled in with server id portion (sid)
940	–	*                (first 3 bytes). Rest is filled in with '9'.
941	–	*
942	–	*/
943	–	void
944	–	init_uid(void)
945	–	{
946	–	snprintf(new_uid, sizeof(new_uid), "%s999999", me.id);
947	–	}
948	–
949	–	/*
950	–	* add_one_to_uid
951	–	*
952	–	* inputs       - index number into new_uid
953	–	* output       - NONE
954	–	* side effects - new_uid is incremented by one
955	–	*                note this is a recursive function
956	–	*/
957	–	static void
958	–	add_one_to_uid(unsigned int i)
959	–	{
960	–	if (i < IRC_MAXSID)
961	–	return;
962	–
963	–	if (new_uid[i] == 'Z')
964	–	new_uid[i] = '0';
965	–	else if (new_uid[i] == '9')
966	–	{
967	–	new_uid[i] = 'A';
968	–	add_one_to_uid(i - 1);
969	–	}
970	–	else
971	–	++new_uid[i];
972	–	}
973	–
974	–	/*
975	–	* uid_get
976	–	*
977	–	* inputs       - struct Client *
978	–	* output       - new UID is returned to caller
979	–	* side effects - new_uid is incremented by one.
980	–	*/
981	–	static const char *
982	–	uid_get(void)
983	–	{
984	–	add_one_to_uid(TOTALSIDUID - 1);  /* Index from 0 */
985	–	return new_uid;
986	–	}
987	–
988	–	/*
989	–	* init_isupport()
990	–	*
991	–	* input        - NONE
992	–	* output       - NONE
993	–	* side effects - Must be called before isupport is enabled
994	–	*/
995	–	void
996	–	init_isupport(void)
997	–	{
998	–	add_isupport("CALLERID", NULL, -1);
999	–	add_isupport("CASEMAPPING", "rfc1459", -1);
1000	–	add_isupport("DEAF", "D", -1);
1001	–	add_isupport("KICKLEN", NULL, KICKLEN);
1002	–	add_isupport("MODES", NULL, MAXMODEPARAMS);
1003	–	add_isupport("PREFIX", "(ohv)@%+", -1);
1004	–	add_isupport("STATUSMSG", "@%+", -1);
1005	–	add_isupport("EXCEPTS", NULL, -1);
1006	–	add_isupport("INVEX", NULL, -1);
1007	–	}
1008	–
1009	–	/*
1010	–	* add_isupport()
1011	–	*
1012	–	* input        - name of supported function
1013	–	*              - options if any
1014	–	*              - number if any
1015	–	* output       - NONE
1016	–	* side effects - Each supported item must call this when activated
1017	–	*/
1018	–	void
1019	–	add_isupport(const char *name, const char *options, int n)
1020	–	{
1021	–	dlink_node *node = NULL;
1022	–	struct Isupport *support = NULL;
1023	–
1024	–	DLINK_FOREACH(node, support_list.head)
1025	–	{
1026	–	support = node->data;
1027	–	if (irccmp(support->name, name) == 0)
1028	–	{
1029	–	MyFree(support->name);
1030	–	MyFree(support->options);
1031	–	break;
1032	–	}
1033	–	}
1034	–
1035	–	if (node == NULL)
1036	–	{
1037	–	support = MyCalloc(sizeof(*support));
1038	–	dlinkAddTail(support, &support->node, &support_list);
1039	–	}
1040	–
1041	–	support->name = xstrdup(name);
1042	–	if (options)
1043	–	support->options = xstrdup(options);
1044	–	support->number = n;
1045	–
1046	–	rebuild_isupport_message_line();
1047	–	}
1048	–
1049	–	/*
1050	–	* delete_isupport()
1051	–	*
1052	–	* input        - name of supported function
1053	–	* output       - NONE
1054	–	* side effects - Each supported item must call this when deactivated
1055	–	*/
1056	–	void
1057	–	delete_isupport(const char *name)
1058	–	{
1059	–	dlink_node *node = NULL;
1060	–
1061	–	DLINK_FOREACH(node, support_list.head)
1062	–	{
1063	–	struct Isupport *support = node->data;
1064	–
1065	–	if (irccmp(support->name, name) == 0)
1066	–	{
1067	–	dlinkDelete(node, &support_list);
1068	–	MyFree(support->name);
1069	–	MyFree(support->options);
1070	–	MyFree(support);
1071	–	break;
1072	–	}
1073	–	}
1074	–
1075	–	rebuild_isupport_message_line();
1076	–	}
1077	–
1078	–	/*
1079	–	* rebuild_isupport_message_line
1080	–	*
1081	–	* input        - NONE
1082	–	* output       - NONE
1083	–	* side effects - Destroy the isupport MessageFile lines, and rebuild.
1084	–	*/
1085	–	void
1086	–	rebuild_isupport_message_line(void)
1087	–	{
1088	–	char isupportbuffer[IRCD_BUFSIZE];
1089	–	char *p = isupportbuffer;
1090	–	dlink_node *node = NULL, *node_next = NULL;
1091	–	int n = 0;
1092	–	int tokens = 0;
1093	–	size_t len = 0;
1094	–	size_t reserve = strlen(me.name) + HOSTLEN + strlen(numeric_form(RPL_ISUPPORT));
1095	–
1096	–	DLINK_FOREACH_SAFE(node, node_next, support_list_lines.head)
1097	–	{
1098	–	dlinkDelete(node, &support_list_lines);
1099	–	MyFree(node->data);
1100	–	free_dlink_node(node);
1101	–	}
1102	–
1103	–	DLINK_FOREACH(node, support_list.head)
1104	–	{
1105	–	struct Isupport *support = node->data;
1106	–
1107	–	p += (n = sprintf(p, "%s", support->name));
1108	–	len += n;
1109	–
1110	–	if (support->options)
1111	–	{
1112	–	p += (n = sprintf(p, "=%s", support->options));
1113	–	len += n;
1114	–	}
1115	–
1116	–	if (support->number > 0)
1117	–	{
1118	–	p += (n = sprintf(p, "=%d", support->number));
1119	–	len += n;
1120	–	}
1121	–
1122	–	*p++ = ' ';
1123	–	len++;
1124	–	*p = '\0';
1125	–
1126	–	if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
1127	–	{ /* arbritrary for now */
1128	–	if (*--p == ' ')
1129	–	*p = '\0';
1130	–
1131	–	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1132	–	p = isupportbuffer;
1133	–	len = 0;
1134	–	n = tokens = 0;
1135	–	}
1136	–	}
1137	–
1138	–	if (len)
1139	–	{
1140	–	if (*--p == ' ')
1141	–	*p = '\0';
1142	–	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1143	–	}
1144	–	}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines (old)
>	Changed lines (new)