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source: irc_commands.c @ 12f500f

Last change on this file since 12f500f was bbc69f7, checked in by Wilmer van der Gaast <wilmer@…>, at 2012-12-23T23:36:56Z
Support /NOTICE for contacts, might be used by bots for example. Pre-ui-fix these used to get a flag so OSCAR sends them as away messages IIRC, but meh.
Property mode set to `100644`
File size: 21.7 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2010 Wilmer van der Gaast and others *
5	\********************************************************************/
6
7	/* IRC commands */
8
9	/*
10	This program is free software; you can redistribute it and/or modify
11	it under the terms of the GNU General Public License as published by
12	the Free Software Foundation; either version 2 of the License, or
13	(at your option) any later version.
14
15	This program is distributed in the hope that it will be useful,
16	but WITHOUT ANY WARRANTY; without even the implied warranty of
17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18	GNU General Public License for more details.
19
20	You should have received a copy of the GNU General Public License with
21	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
22	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
23	Suite 330, Boston, MA 02111-1307 USA
24	*/
25
26	#define BITLBEE_CORE
27	#include "bitlbee.h"
28	#include "help.h"
29	#include "ipc.h"
30
31	static void irc_cmd_pass( irc_t irc, char *cmd )
32	{
33	if( irc->status & USTATUS_LOGGED_IN )
34	{
35	char *send_cmd[] = { "identify", cmd[1], NULL };
36
37	/* We're already logged in, this client seems to send the PASS
38	command last. (Possibly it won't send it at all if it turns
39	out we don't require it, which will break this feature.)
40	Try to identify using the given password. */
41	root_command( irc, send_cmd );
42	return;
43	}
44	/* Handling in pre-logged-in state, first see if this server is
45	password-protected: */
46	else if( global.conf->auth_pass &&
47	( strncmp( global.conf->auth_pass, "md5:", 4 ) == 0 ?
48	md5_verify_password( cmd[1], global.conf->auth_pass + 4 ) == 0 :
49	strcmp( cmd[1], global.conf->auth_pass ) == 0 ) )
50	{
51	irc->status \|= USTATUS_AUTHORIZED;
52	irc_check_login( irc );
53	}
54	else if( global.conf->auth_pass )
55	{
56	irc_send_num( irc, 464, ":Incorrect password" );
57	}
58	else
59	{
60	/* Remember the password and try to identify after USER/NICK. */
61	irc_setpass( irc, cmd[1] );
62	irc_check_login( irc );
63	}
64	}
65
66	static void irc_cmd_user( irc_t irc, char *cmd )
67	{
68	irc->user->user = g_strdup( cmd[1] );
69	irc->user->fullname = g_strdup( cmd[4] );
70
71	irc_check_login( irc );
72	}
73
74	static void irc_cmd_nick( irc_t irc, char *cmd )
75	{
76	irc_user_t *iu;
77
78	if( ( iu = irc_user_by_name( irc, cmd[1] ) ) && iu != irc->user )
79	{
80	irc_send_num( irc, 433, "%s :This nick is already in use", cmd[1] );
81	}
82	else if( !nick_ok( cmd[1] ) )
83	{
84	/* [SH] Invalid characters. */
85	irc_send_num( irc, 432, "%s :This nick contains invalid characters", cmd[1] );
86	}
87	else if( irc->status & USTATUS_LOGGED_IN )
88	{
89	/* WATCH OUT: iu from the first if reused here to check if the
90	new nickname is the same (other than case, possibly). If it
91	is, no need to reset identify-status. */
92	if( ( irc->status & USTATUS_IDENTIFIED ) && iu != irc->user )
93	{
94	irc_setpass( irc, NULL );
95	irc->status &= ~USTATUS_IDENTIFIED;
96	irc_umode_set( irc, "-R", 1 );
97	irc_rootmsg( irc, "Changing nicks resets your identify status. "
98	"Re-identify or register a new account if you want "
99	"your configuration to be saved. See \x02help "
100	"nick_changes\x02." );
101	}
102
103	if( strcmp( cmd[1], irc->user->nick ) != 0 )
104	irc_user_set_nick( irc->user, cmd[1] );
105	}
106	else
107	{
108	g_free( irc->user->nick );
109	irc->user->nick = g_strdup( cmd[1] );
110
111	irc_check_login( irc );
112	}
113	}
114
115	static void irc_cmd_quit( irc_t irc, char *cmd )
116	{
117	if( cmd[1] && *cmd[1] )
118	irc_abort( irc, 0, "Quit: %s", cmd[1] );
119	else
120	irc_abort( irc, 0, "Leaving..." );
121	}
122
123	static void irc_cmd_ping( irc_t irc, char *cmd )
124	{
125	irc_write( irc, ":%s PONG %s :%s", irc->root->host,
126	irc->root->host, cmd[1]?cmd[1]:irc->root->host );
127	}
128
129	static void irc_cmd_pong( irc_t irc, char *cmd )
130	{
131	/* We could check the value we get back from the user, but in
132	fact we don't care, we're just happy s/he's still alive. */
133	irc->last_pong = gettime();
134	irc->pinging = 0;
135	}
136
137	static void irc_cmd_join( irc_t irc, char *cmd )
138	{
139	char comma, s = cmd[1];
140
141	while( s )
142	{
143	irc_channel_t *ic;
144
145	if( ( comma = strchr( s, ',' ) ) )
146	*comma = '\0';
147
148	if( ( ic = irc_channel_by_name( irc, s ) ) == NULL &&
149	( ic = irc_channel_new( irc, s ) ) )
150	{
151	if( strcmp( set_getstr( &ic->set, "type" ), "control" ) != 0 )
152	{
153	/* Autoconfiguration is for control channels only ATM. */
154	}
155	else if( bee_group_by_name( ic->irc->b, ic->name + 1, FALSE ) )
156	{
157	set_setstr( &ic->set, "group", ic->name + 1 );
158	set_setstr( &ic->set, "fill_by", "group" );
159	}
160	else if( set_setstr( &ic->set, "protocol", ic->name + 1 ) )
161	{
162	set_setstr( &ic->set, "fill_by", "protocol" );
163	}
164	else if( set_setstr( &ic->set, "account", ic->name + 1 ) )
165	{
166	set_setstr( &ic->set, "fill_by", "account" );
167	}
168	else
169	{
170	/* The set commands above will run this already,
171	but if we didn't hit any, we have to fill the
172	channel with the default population. */
173	bee_irc_channel_update( ic->irc, ic, NULL );
174	}
175	}
176	else if( ic == NULL )
177	{
178	irc_send_num( irc, 479, "%s :Invalid channel name", s );
179	goto next;
180	}
181
182	if( ic->flags & IRC_CHANNEL_JOINED )
183	/* Dude, you're already there...
184	RFC doesn't have any reply for that though? */
185	goto next;
186
187	if( ic->f->join && !ic->f->join( ic ) )
188	/* The story is: FALSE either means the handler
189	showed an error message, or is doing some work
190	before the join should be confirmed. (In the
191	latter case, the caller should take care of that
192	confirmation.) TRUE means all's good, let the
193	user join the channel right away. */
194	goto next;
195
196	irc_channel_add_user( ic, irc->user );
197
198	next:
199	if( comma )
200	{
201	s = comma + 1;
202	*comma = ',';
203	}
204	else
205	break;
206	}
207	}
208
209	static void irc_cmd_names( irc_t irc, char *cmd )
210	{
211	irc_channel_t *ic;
212
213	if( cmd[1] && ( ic = irc_channel_by_name( irc, cmd[1] ) ) )
214	irc_send_names( ic );
215	/* With no args, we should show /names of all chans. Make the code
216	below work well if necessary.
217	else
218	{
219	GSList *l;
220
221	for( l = irc->channels; l; l = l->next )
222	irc_send_names( l->data );
223	}
224	*/
225	}
226
227	static void irc_cmd_part( irc_t irc, char *cmd )
228	{
229	irc_channel_t *ic;
230
231	if( ( ic = irc_channel_by_name( irc, cmd[1] ) ) == NULL )
232	{
233	irc_send_num( irc, 403, "%s :No such channel", cmd[1] );
234	}
235	else if( irc_channel_del_user( ic, irc->user, IRC_CDU_PART, cmd[2] ) )
236	{
237	if( ic->f->part )
238	ic->f->part( ic, NULL );
239	}
240	else
241	{
242	irc_send_num( irc, 442, "%s :You're not on that channel", cmd[1] );
243	}
244	}
245
246	static void irc_cmd_whois( irc_t irc, char *cmd )
247	{
248	char *nick = cmd[1];
249	irc_user_t *iu = irc_user_by_name( irc, nick );
250
251	if( iu )
252	irc_send_whois( iu );
253	else
254	irc_send_num( irc, 401, "%s :Nick does not exist", nick );
255	}
256
257	static void irc_cmd_whowas( irc_t irc, char *cmd )
258	{
259	/* For some reason irssi tries a whowas when whois fails. We can
260	ignore this, but then the user never gets a "user not found"
261	message from irssi which is a bit annoying. So just respond
262	with not-found and irssi users will get better error messages */
263
264	irc_send_num( irc, 406, "%s :Nick does not exist", cmd[1] );
265	irc_send_num( irc, 369, "%s :End of WHOWAS", cmd[1] );
266	}
267
268	static void irc_cmd_motd( irc_t irc, char *cmd )
269	{
270	irc_send_motd( irc );
271	}
272
273	static void irc_cmd_mode( irc_t irc, char *cmd )
274	{
275	if( irc_channel_name_ok( cmd[1] ) )
276	{
277	irc_channel_t *ic;
278
279	if( ( ic = irc_channel_by_name( irc, cmd[1] ) ) == NULL )
280	irc_send_num( irc, 403, "%s :No such channel", cmd[1] );
281	else if( cmd[2] )
282	{
283	if( cmd[2] == '+' \|\| cmd[2] == '-' )
284	irc_send_num( irc, 477, "%s :Can't change channel modes", cmd[1] );
285	else if( *cmd[2] == 'b' )
286	irc_send_num( irc, 368, "%s :No bans possible", cmd[1] );
287	}
288	else
289	irc_send_num( irc, 324, "%s +%s", cmd[1], ic->mode );
290	}
291	else
292	{
293	if( nick_cmp( cmd[1], irc->user->nick ) == 0 )
294	{
295	if( cmd[2] )
296	irc_umode_set( irc, cmd[2], 0 );
297	else
298	irc_send_num( irc, 221, "+%s", irc->umode );
299	}
300	else
301	irc_send_num( irc, 502, ":Don't touch their modes" );
302	}
303	}
304
305	static void irc_cmd_who( irc_t irc, char *cmd )
306	{
307	char *channel = cmd[1];
308	irc_channel_t *ic;
309	irc_user_t *iu;
310
311	if( !channel \|\| channel == '0' \|\| channel == '' \|\| !channel )
312	irc_send_who( irc, irc->users, "**" );
313	else if( ( ic = irc_channel_by_name( irc, channel ) ) )
314	irc_send_who( irc, ic->users, channel );
315	else if( ( iu = irc_user_by_name( irc, channel ) ) )
316	{
317	/* Tiny hack! */
318	GSList *l = g_slist_append( NULL, iu );
319	irc_send_who( irc, l, channel );
320	g_slist_free( l );
321	}
322	else
323	irc_send_num( irc, 403, "%s :No such channel", channel );
324	}
325
326	static void irc_cmd_privmsg( irc_t irc, char *cmd )
327	{
328	irc_channel_t *ic;
329	irc_user_t *iu;
330
331	if( !cmd[2] )
332	{
333	irc_send_num( irc, 412, ":No text to send" );
334	return;
335	}
336
337	/* Don't treat CTCP actions as real CTCPs, just convert them right now. */
338	if( g_strncasecmp( cmd[2], "\001ACTION", 7 ) == 0 )
339	{
340	cmd[2] += 4;
341	memcpy( cmd[2], "/me", 3 );
342	if( cmd[2][strlen(cmd[2])-1] == '\001' )
343	cmd[2][strlen(cmd[2])-1] = '\0';
344	}
345
346	if( irc_channel_name_ok( cmd[1] ) &&
347	( ic = irc_channel_by_name( irc, cmd[1] ) ) )
348	{
349	if( cmd[2][0] == '\001' )
350	{
351	/* CTCPs to channels? Nah. Maybe later. */
352	}
353	else if( ic->f->privmsg )
354	ic->f->privmsg( ic, cmd[2] );
355	}
356	else if( ( iu = irc_user_by_name( irc, cmd[1] ) ) )
357	{
358	if( cmd[2][0] == '\001' )
359	{
360	char **ctcp;
361
362	if( iu->f->ctcp == NULL )
363	return;
364	if( cmd[2][strlen(cmd[2])-1] == '\001' )
365	cmd[2][strlen(cmd[2])-1] = '\0';
366
367	ctcp = split_command_parts( cmd[2] + 1 );
368	iu->f->ctcp( iu, ctcp );
369	}
370	else if( iu->f->privmsg )
371	{
372	iu->last_channel = NULL;
373	iu->f->privmsg( iu, cmd[2] );
374	}
375	}
376	else
377	{
378	irc_send_num( irc, 401, "%s :No such nick/channel", cmd[1] );
379	}
380	}
381
382	static void irc_cmd_notice( irc_t irc, char *cmd )
383	{
384	irc_user_t *iu;
385
386	if( !cmd[2] )
387	{
388	irc_send_num( irc, 412, ":No text to send" );
389	return;
390	}
391
392	/* At least for now just echo. IIRC some IRC clients use self-notices
393	for lag checks, so try to support that. */
394	if( nick_cmp( cmd[1], irc->user->nick ) == 0 )
395	irc_send_msg( irc->user, "NOTICE", irc->user->nick, cmd[2], NULL );
396	else if( ( iu = irc_user_by_name( irc, cmd[1] ) ) )
397	iu->f->privmsg( iu, cmd[2] );
398	}
399
400	static void irc_cmd_nickserv( irc_t irc, char *cmd )
401	{
402	/* [SH] This aliases the NickServ command to PRIVMSG root */
403	/* [TV] This aliases the NS command to PRIVMSG root as well */
404	root_command( irc, cmd + 1 );
405	}
406
407	static void irc_cmd_oper_hack( irc_t irc, char *cmd );
408
409	static void irc_cmd_oper( irc_t irc, char *cmd )
410	{
411	/* Very non-standard evil but useful/secure hack, see below. */
412	if( irc->status & OPER_HACK_ANY )
413	return irc_cmd_oper_hack( irc, cmd );
414
415	if( global.conf->oper_pass &&
416	( strncmp( global.conf->oper_pass, "md5:", 4 ) == 0 ?
417	md5_verify_password( cmd[2], global.conf->oper_pass + 4 ) == 0 :
418	strcmp( cmd[2], global.conf->oper_pass ) == 0 ) )
419	{
420	irc_umode_set( irc, "+o", 1 );
421	irc_send_num( irc, 381, ":Password accepted" );
422	}
423	else
424	{
425	irc_send_num( irc, 491, ":Incorrect password" );
426	}
427	}
428
429	static void irc_cmd_oper_hack( irc_t irc, char *cmd )
430	{
431	char *password = g_strjoinv( " ", cmd + 2 );
432
433	/* /OPER can now also be used to enter IM/identify passwords without
434	echoing. It's a hack but the extra password security is worth it. */
435	if( irc->status & OPER_HACK_ACCOUNT_ADD )
436	{
437	account_t *a;
438
439	for( a = irc->b->accounts; a; a = a->next )
440	if( strcmp( a->pass, PASSWORD_PENDING ) == 0 )
441	{
442	set_setstr( &a->set, "password", password );
443	irc_rootmsg( irc, "Password added to IM account "
444	"%s", a->tag );
445	/* The IRC client may expect this. 491 suggests the OPER
446	password was wrong, so the client won't expect a +o.
447	It may however repeat the password prompt. We'll see. */
448	irc_send_num( irc, 491, ":Password added to IM account "
449	"%s", a->tag );
450	}
451	}
452	else if( irc->status & OPER_HACK_IDENTIFY )
453	{
454	char *send_cmd[] = { "identify", password, NULL, NULL };
455	irc->status &= ~OPER_HACK_IDENTIFY;
456	if( irc->status & OPER_HACK_IDENTIFY_NOLOAD )
457	{
458	send_cmd[1] = "-noload";
459	send_cmd[2] = password;
460	}
461	else if( irc->status & OPER_HACK_IDENTIFY_FORCE )
462	{
463	send_cmd[1] = "-force";
464	send_cmd[2] = password;
465	}
466	irc_send_num( irc, 491, ":Trying to identify" );
467	root_command( irc, send_cmd );
468	}
469	else if( irc->status & OPER_HACK_REGISTER )
470	{
471	char *send_cmd[] = { "register", password, NULL };
472	irc_send_num( irc, 491, ":Trying to identify" );
473	root_command( irc, send_cmd );
474	}
475
476	irc->status &= ~OPER_HACK_ANY;
477	g_free( password );
478	}
479
480	static void irc_cmd_invite( irc_t irc, char *cmd )
481	{
482	irc_channel_t *ic;
483	irc_user_t *iu;
484
485	if( ( iu = irc_user_by_name( irc, cmd[1] ) ) == NULL )
486	{
487	irc_send_num( irc, 401, "%s :No such nick", cmd[1] );
488	return;
489	}
490	else if( ( ic = irc_channel_by_name( irc, cmd[2] ) ) == NULL )
491	{
492	irc_send_num( irc, 403, "%s :No such channel", cmd[2] );
493	return;
494	}
495
496	if( !ic->f->invite )
497	irc_send_num( irc, 482, "%s :Can't invite people here", cmd[2] );
498	else if( ic->f->invite( ic, iu ) )
499	irc_send_num( irc, 341, "%s %s", iu->nick, ic->name );
500	}
501
502	static void irc_cmd_userhost( irc_t irc, char *cmd )
503	{
504	int i;
505
506	/* [TV] Usable USERHOST-implementation according to
507	RFC1459. Without this, mIRC shows an error
508	while connecting, and the used way of rejecting
509	breaks standards.
510	*/
511
512	for( i = 1; cmd[i]; i ++ )
513	{
514	irc_user_t *iu = irc_user_by_name( irc, cmd[i] );
515
516	if( iu )
517	irc_send_num( irc, 302, ":%s=%c%s@%s", iu->nick,
518	irc_user_get_away( iu ) ? '-' : '+',
519	iu->user, iu->host );
520	}
521	}
522
523	static void irc_cmd_ison( irc_t irc, char *cmd )
524	{
525	char buff[IRC_MAX_LINE];
526	int lenleft, i;
527
528	buff[0] = '\0';
529
530	/* [SH] Leave room for : and \0 */
531	lenleft = IRC_MAX_LINE - 2;
532
533	for( i = 1; cmd[i]; i ++ )
534	{
535	char this, next;
536
537	this = cmd[i];
538	while( *this )
539	{
540	irc_user_t *iu;
541
542	if( ( next = strchr( this, ' ' ) ) )
543	*next = 0;
544
545	if( ( iu = irc_user_by_name( irc, this ) ) &&
546	iu->bu && iu->bu->flags & BEE_USER_ONLINE )
547	{
548	lenleft -= strlen( iu->nick ) + 1;
549
550	if( lenleft < 0 )
551	break;
552
553	strcat( buff, iu->nick );
554	strcat( buff, " " );
555	}
556
557	if( next )
558	{
559	*next = ' ';
560	this = next + 1;
561	}
562	else
563	{
564	break;
565	}
566	}
567
568	/* sigh */
569	if( lenleft < 0 )
570	break;
571	}
572
573	if( strlen( buff ) > 0 )
574	buff[strlen(buff)-1] = '\0';
575
576	irc_send_num( irc, 303, ":%s", buff );
577	}
578
579	static void irc_cmd_watch( irc_t irc, char *cmd )
580	{
581	int i;
582
583	/* Obviously we could also mark a user structure as being
584	watched, but what if the WATCH command is sent right
585	after connecting? The user won't exist yet then... */
586	for( i = 1; cmd[i]; i ++ )
587	{
588	char *nick;
589	irc_user_t *iu;
590
591	if( !cmd[i][0] \|\| !cmd[i][1] )
592	break;
593
594	nick = g_strdup( cmd[i] + 1 );
595	nick_lc( nick );
596
597	iu = irc_user_by_name( irc, nick );
598
599	if( cmd[i][0] == '+' )
600	{
601	if( !g_hash_table_lookup( irc->watches, nick ) )
602	g_hash_table_insert( irc->watches, nick, nick );
603
604	if( iu && iu->bu && iu->bu->flags & BEE_USER_ONLINE )
605	irc_send_num( irc, 604, "%s %s %s %d :%s", iu->nick, iu->user,
606	iu->host, (int) time( NULL ), "is online" );
607	else
608	irc_send_num( irc, 605, "%s %s %s %d :%s", nick, "", "",
609	(int) time( NULL ), "is offline" );
610	}
611	else if( cmd[i][0] == '-' )
612	{
613	gpointer okey, ovalue;
614
615	if( g_hash_table_lookup_extended( irc->watches, nick, &okey, &ovalue ) )
616	{
617	g_hash_table_remove( irc->watches, okey );
618	g_free( okey );
619
620	irc_send_num( irc, 602, "%s %s %s %d :%s", nick, "", "", 0, "Stopped watching" );
621	}
622	}
623	}
624	}
625
626	static void irc_cmd_topic( irc_t irc, char *cmd )
627	{
628	irc_channel_t *ic = irc_channel_by_name( irc, cmd[1] );
629	const char *new = cmd[2];
630
631	if( ic == NULL )
632	{
633	irc_send_num( irc, 403, "%s :No such channel", cmd[1] );
634	}
635	else if( new )
636	{
637	if( ic->f->topic == NULL )
638	irc_send_num( irc, 482, "%s :Can't change this channel's topic", ic->name );
639	else if( ic->f->topic( ic, new ) )
640	irc_send_topic( ic, TRUE );
641	}
642	else
643	{
644	irc_send_topic( ic, FALSE );
645	}
646	}
647
648	static void irc_cmd_away( irc_t irc, char *cmd )
649	{
650	if( cmd[1] && *cmd[1] )
651	{
652	char away[strlen(cmd[1])+1];
653	int i, j;
654
655	/* Copy away string, but skip control chars. Mainly because
656	Jabber really doesn't like them. */
657	for( i = j = 0; cmd[1][i]; i ++ )
658	if( (unsigned char) ( away[j] = cmd[1][i] ) >= ' ' )
659	j ++;
660	away[j] = '\0';
661
662	irc_send_num( irc, 306, ":You're now away: %s", away );
663	set_setstr( &irc->b->set, "away", away );
664	}
665	else
666	{
667	irc_send_num( irc, 305, ":Welcome back" );
668	set_setstr( &irc->b->set, "away", NULL );
669	}
670	}
671
672	static void irc_cmd_list( irc_t irc, char *cmd )
673	{
674	GSList *l;
675
676	for( l = irc->channels; l; l = l->next )
677	{
678	irc_channel_t *ic = l->data;
679
680	irc_send_num( irc, 322, "%s %d :%s",
681	ic->name, g_slist_length( ic->users ), ic->topic ? : "" );
682	}
683	irc_send_num( irc, 323, ":%s", "End of /LIST" );
684	}
685
686	static void irc_cmd_version( irc_t irc, char *cmd )
687	{
688	irc_send_num( irc, 351, "%s-%s. %s :%s/%s ",
689	PACKAGE, BITLBEE_VERSION, irc->root->host, ARCH, CPU );
690	}
691
692	static void irc_cmd_completions( irc_t irc, char *cmd )
693	{
694	help_t *h;
695	set_t *s;
696	int i;
697
698	irc_send_msg_raw( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS OK" );
699
700	for( i = 0; root_commands[i].command; i ++ )
701	irc_send_msg_f( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS %s", root_commands[i].command );
702
703	for( h = global.help; h; h = h->next )
704	irc_send_msg_f( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS help %s", h->title );
705
706	for( s = irc->b->set; s; s = s->next )
707	irc_send_msg_f( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS set %s", s->key );
708
709	irc_send_msg_raw( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS END" );
710	}
711
712	static void irc_cmd_rehash( irc_t irc, char *cmd )
713	{
714	if( global.conf->runmode == RUNMODE_INETD )
715	ipc_master_cmd_rehash( NULL, NULL );
716	else
717	ipc_to_master( cmd );
718
719	irc_send_num( irc, 382, "%s :Rehashing", global.conf_file );
720	}
721
722	static const command_t irc_commands[] = {
723	{ "pass", 1, irc_cmd_pass, 0 },
724	{ "user", 4, irc_cmd_user, IRC_CMD_PRE_LOGIN },
725	{ "nick", 1, irc_cmd_nick, 0 },
726	{ "quit", 0, irc_cmd_quit, 0 },
727	{ "ping", 0, irc_cmd_ping, 0 },
728	{ "pong", 0, irc_cmd_pong, IRC_CMD_LOGGED_IN },
729	{ "join", 1, irc_cmd_join, IRC_CMD_LOGGED_IN },
730	{ "names", 1, irc_cmd_names, IRC_CMD_LOGGED_IN },
731	{ "part", 1, irc_cmd_part, IRC_CMD_LOGGED_IN },
732	{ "whois", 1, irc_cmd_whois, IRC_CMD_LOGGED_IN },
733	{ "whowas", 1, irc_cmd_whowas, IRC_CMD_LOGGED_IN },
734	{ "motd", 0, irc_cmd_motd, IRC_CMD_LOGGED_IN },
735	{ "mode", 1, irc_cmd_mode, IRC_CMD_LOGGED_IN },
736	{ "who", 0, irc_cmd_who, IRC_CMD_LOGGED_IN },
737	{ "privmsg", 1, irc_cmd_privmsg, IRC_CMD_LOGGED_IN },
738	{ "notice", 1, irc_cmd_notice, IRC_CMD_LOGGED_IN },
739	{ "nickserv", 1, irc_cmd_nickserv, IRC_CMD_LOGGED_IN },
740	{ "ns", 1, irc_cmd_nickserv, IRC_CMD_LOGGED_IN },
741	{ "away", 0, irc_cmd_away, IRC_CMD_LOGGED_IN },
742	{ "version", 0, irc_cmd_version, IRC_CMD_LOGGED_IN },
743	{ "completions", 0, irc_cmd_completions, IRC_CMD_LOGGED_IN },
744	{ "userhost", 1, irc_cmd_userhost, IRC_CMD_LOGGED_IN },
745	{ "ison", 1, irc_cmd_ison, IRC_CMD_LOGGED_IN },
746	{ "watch", 1, irc_cmd_watch, IRC_CMD_LOGGED_IN },
747	{ "invite", 2, irc_cmd_invite, IRC_CMD_LOGGED_IN },
748	{ "topic", 1, irc_cmd_topic, IRC_CMD_LOGGED_IN },
749	{ "oper", 2, irc_cmd_oper, IRC_CMD_LOGGED_IN },
750	{ "list", 0, irc_cmd_list, IRC_CMD_LOGGED_IN },
751	{ "die", 0, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
752	{ "deaf", 0, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
753	{ "wallops", 1, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
754	{ "wall", 1, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
755	{ "rehash", 0, irc_cmd_rehash, IRC_CMD_OPER_ONLY },
756	{ "restart", 0, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
757	{ "kill", 2, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
758	{ NULL }
759	};
760
761	void irc_exec( irc_t irc, char cmd[] )
762	{
763	int i, n_arg;
764
765	if( !cmd[0] )
766	return;
767
768	for( i = 0; irc_commands[i].command; i++ )
769	if( g_strcasecmp( irc_commands[i].command, cmd[0] ) == 0 )
770	{
771	/* There should be no typo in the next line: */
772	for( n_arg = 0; cmd[n_arg]; n_arg ++ ); n_arg --;
773
774	if( irc_commands[i].flags & IRC_CMD_PRE_LOGIN && irc->status & USTATUS_LOGGED_IN )
775	{
776	irc_send_num( irc, 462, ":Only allowed before logging in" );
777	}
778	else if( irc_commands[i].flags & IRC_CMD_LOGGED_IN && !( irc->status & USTATUS_LOGGED_IN ) )
779	{
780	irc_send_num( irc, 451, ":Register first" );
781	}
782	else if( irc_commands[i].flags & IRC_CMD_OPER_ONLY && !strchr( irc->umode, 'o' ) )
783	{
784	irc_send_num( irc, 481, ":Permission denied - You're not an IRC operator" );
785	}
786	else if( n_arg < irc_commands[i].required_parameters )
787	{
788	irc_send_num( irc, 461, "%s :Need more parameters", cmd[0] );
789	}
790	else if( irc_commands[i].flags & IRC_CMD_TO_MASTER )
791	{
792	/* IPC doesn't make sense in inetd mode,
793	but the function will catch that. */
794	ipc_to_master( cmd );
795	}
796	else
797	{
798	irc_commands[i].execute( irc, cmd );
799	}
800
801	return;
802	}
803
804	if( irc->status & USTATUS_LOGGED_IN )
805	irc_send_num( irc, 421, "%s :Unknown command", cmd[0] );
806	}

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