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source: irc_im.c @ 420d80d1

Last change on this file since 420d80d1 was a97a336, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-12-07T23:14:30Z
Add CTCP HELP code. Also cleaning up some noop handlers in the Twitter module (chat_with and send_typing) that suggested support for features that obviously don't exist.
Property mode set to `100644`
File size: 26.8 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	/* Some glue to put the IRC and the IM stuff together. */
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	#include "bitlbee.h"
27	#include "dcc.h"
28
29	/* IM->IRC callbacks: Simple IM/buddy-related stuff. */
30
31	static const struct irc_user_funcs irc_user_im_funcs;
32
33	static void bee_irc_imc_connected( struct im_connection *ic )
34	{
35	irc_t irc = (irc_t) ic->bee->ui_data;
36
37	irc_channel_auto_joins( irc, ic->acc );
38	}
39
40	static void bee_irc_imc_disconnected( struct im_connection *ic )
41	{
42	/* Maybe try to send /QUITs here instead of later on. */
43	}
44
45	static gboolean bee_irc_user_new( bee_t bee, bee_user_t bu )
46	{
47	irc_user_t *iu;
48	irc_t irc = (irc_t) bee->ui_data;
49	char nick[MAX_NICK_LENGTH+1], *s;
50
51	memset( nick, 0, MAX_NICK_LENGTH + 1 );
52	strcpy( nick, nick_get( bu ) );
53
54	bu->ui_data = iu = irc_user_new( irc, nick );
55	iu->bu = bu;
56
57	if( set_getbool( &irc->b->set, "private" ) )
58	iu->last_channel = NULL;
59	else
60	iu->last_channel = irc_channel_with_user( irc, iu );
61
62	if( ( s = strchr( bu->handle, '@' ) ) )
63	{
64	iu->host = g_strdup( s + 1 );
65	iu->user = g_strndup( bu->handle, s - bu->handle );
66	}
67	else
68	{
69	iu->user = g_strdup( bu->handle );
70	if( bu->ic->acc->server )
71	iu->host = g_strdup( bu->ic->acc->server );
72	else
73	iu->host = g_strdup( bu->ic->acc->prpl->name );
74	}
75
76	while( ( s = strchr( iu->user, ' ' ) ) )
77	*s = '_';
78
79	if( bu->flags & BEE_USER_LOCAL )
80	{
81	char *s = set_getstr( &bee->set, "handle_unknown" );
82
83	if( strcmp( s, "add_private" ) == 0 )
84	iu->last_channel = NULL;
85	else if( strcmp( s, "add_channel" ) == 0 )
86	iu->last_channel = irc->default_channel;
87	}
88
89	iu->f = &irc_user_im_funcs;
90
91	return TRUE;
92	}
93
94	static gboolean bee_irc_user_free( bee_t bee, bee_user_t bu )
95	{
96	return irc_user_free( bee->ui_data, (irc_user_t *) bu->ui_data );
97	}
98
99	static gboolean bee_irc_user_status( bee_t bee, bee_user_t bu, bee_user_t *old )
100	{
101	irc_t *irc = bee->ui_data;
102	irc_user_t *iu = bu->ui_data;
103
104	/* Do this outside the if below since away state can change without
105	the online state changing. */
106	iu->flags &= ~IRC_USER_AWAY;
107	if( bu->flags & BEE_USER_AWAY \|\| !( bu->flags & BEE_USER_ONLINE ) )
108	iu->flags \|= IRC_USER_AWAY;
109
110	if( ( bu->flags & BEE_USER_ONLINE ) != ( old->flags & BEE_USER_ONLINE ) )
111	{
112	if( bu->flags & BEE_USER_ONLINE )
113	{
114	if( g_hash_table_lookup( irc->watches, iu->key ) )
115	irc_send_num( irc, 600, "%s %s %s %d :%s", iu->nick, iu->user,
116	iu->host, (int) time( NULL ), "logged online" );
117	}
118	else
119	{
120	if( g_hash_table_lookup( irc->watches, iu->key ) )
121	irc_send_num( irc, 601, "%s %s %s %d :%s", iu->nick, iu->user,
122	iu->host, (int) time( NULL ), "logged offline" );
123
124	/* Send a QUIT since those will also show up in any
125	query windows the user may have, plus it's only
126	one QUIT instead of possibly many (in case of
127	multiple control chans). If there's a channel that
128	shows offline people, a JOIN will follow. */
129	if( set_getbool( &bee->set, "offline_user_quits" ) )
130	irc_user_quit( iu, "Leaving..." );
131	}
132	}
133
134	/* Reset this one since the info may have changed. */
135	iu->away_reply_timeout = 0;
136
137	bee_irc_channel_update( irc, NULL, iu );
138
139	return TRUE;
140	}
141
142	void bee_irc_channel_update( irc_t irc, irc_channel_t ic, irc_user_t *iu )
143	{
144	GSList *l;
145
146	if( ic == NULL )
147	{
148	for( l = irc->channels; l; l = l->next )
149	{
150	ic = l->data;
151	/* TODO: Just add a type flag or so.. */
152	if( ic->f == irc->default_channel->f &&
153	( ic->flags & IRC_CHANNEL_JOINED ) )
154	bee_irc_channel_update( irc, ic, iu );
155	}
156	return;
157	}
158	if( iu == NULL )
159	{
160	for( l = irc->users; l; l = l->next )
161	{
162	iu = l->data;
163	if( iu->bu )
164	bee_irc_channel_update( irc, ic, l->data );
165	}
166	return;
167	}
168
169	if( !irc_channel_wants_user( ic, iu ) )
170	{
171	irc_channel_del_user( ic, iu, IRC_CDU_PART, NULL );
172	}
173	else
174	{
175	struct irc_control_channel *icc = ic->data;
176	int mode = 0;
177
178	if( !( iu->bu->flags & BEE_USER_ONLINE ) )
179	mode = icc->modes[0];
180	else if( iu->bu->flags & BEE_USER_AWAY )
181	mode = icc->modes[1];
182	else
183	mode = icc->modes[2];
184
185	if( !mode )
186	irc_channel_del_user( ic, iu, IRC_CDU_PART, NULL );
187	else
188	{
189	irc_channel_add_user( ic, iu );
190	irc_channel_user_set_mode( ic, iu, mode );
191	}
192	}
193	}
194
195	static gboolean bee_irc_user_msg( bee_t bee, bee_user_t bu, const char *msg_, time_t sent_at )
196	{
197	irc_t *irc = bee->ui_data;
198	irc_user_t iu = (irc_user_t ) bu->ui_data;
199	char dst, prefix = NULL;
200	char wrapped, ts = NULL;
201	irc_channel_t *ic = NULL;
202	char *msg = g_strdup( msg_ );
203	GSList *l;
204
205	if( sent_at > 0 && set_getbool( &irc->b->set, "display_timestamps" ) )
206	ts = irc_format_timestamp( irc, sent_at );
207
208	/* Too similar to irc_usermsg()... */
209	if( iu->last_channel )
210	{
211	if( iu->last_channel->flags & IRC_CHANNEL_JOINED )
212	ic = iu->last_channel;
213	else
214	ic = irc_channel_with_user( irc, iu );
215	}
216
217	if( ic )
218	{
219	dst = ic->name;
220	prefix = g_strdup_printf( "%s%s%s", irc->user->nick, set_getstr( &bee->set, "to_char" ), ts ? : "" );
221	}
222	else
223	{
224	dst = irc->user->nick;
225	prefix = ts;
226	ts = NULL;
227	}
228
229	for( l = irc_plugins; l; l = l->next )
230	{
231	irc_plugin_t *p = l->data;
232	if( p->filter_msg_in )
233	{
234	char *s = p->filter_msg_in( iu, msg, 0 );
235	if( s )
236	{
237	if( s != msg )
238	g_free( msg );
239	msg = s;
240	}
241	else
242	{
243	/* Modules can swallow messages. */
244	return TRUE;
245	}
246	}
247	}
248
249	if( ( g_strcasecmp( set_getstr( &bee->set, "strip_html" ), "always" ) == 0 ) \|\|
250	( ( bu->ic->flags & OPT_DOES_HTML ) && set_getbool( &bee->set, "strip_html" ) ) )
251	{
252	char *s = g_strdup( msg );
253	strip_html( s );
254	g_free( msg );
255	msg = s;
256	}
257
258	wrapped = word_wrap( msg, 425 );
259	irc_send_msg( iu, "PRIVMSG", dst, wrapped, prefix );
260
261	g_free( wrapped );
262	g_free( prefix );
263	g_free( msg );
264	g_free( ts );
265
266	return TRUE;
267	}
268
269	static gboolean bee_irc_user_typing( bee_t bee, bee_user_t bu, uint32_t flags )
270	{
271	irc_t irc = (irc_t ) bee->ui_data;
272
273	if( set_getbool( &bee->set, "typing_notice" ) )
274	irc_send_msg_f( (irc_user_t *) bu->ui_data, "PRIVMSG", irc->user->nick,
275	"\001TYPING %d\001", ( flags >> 8 ) & 3 );
276	else
277	return FALSE;
278
279	return TRUE;
280	}
281
282	static gboolean bee_irc_user_action_response( bee_t bee, bee_user_t bu, const char action, char const args[], void *data )
283	{
284	irc_t irc = (irc_t ) bee->ui_data;
285	GString *msg = g_string_new( "\001" );
286
287	g_string_append( msg, action );
288	while( *args )
289	{
290	if( strchr( *args, ' ' ) )
291	g_string_append_printf( msg, " \"%s\"", *args );
292	else
293	g_string_append_printf( msg, " %s", *args );
294	args ++;
295	}
296	g_string_append_c( msg, '\001' );
297
298	irc_send_msg( (irc_user_t *) bu->ui_data, "NOTICE", irc->user->nick, msg->str, NULL );
299
300	return TRUE;
301	}
302
303	static gboolean bee_irc_user_nick_update( irc_user_t *iu );
304
305	static gboolean bee_irc_user_fullname( bee_t bee, bee_user_t bu )
306	{
307	irc_user_t iu = (irc_user_t ) bu->ui_data;
308	char *s;
309
310	if( iu->fullname != iu->nick )
311	g_free( iu->fullname );
312	iu->fullname = g_strdup( bu->fullname );
313
314	/* Strip newlines (unlikely, but IRC-unfriendly so they must go)
315	TODO(wilmer): Do the same with away msgs again! */
316	for( s = iu->fullname; *s; s ++ )
317	if( isspace( s ) ) s = ' ';
318
319	if( ( bu->ic->flags & OPT_LOGGED_IN ) && set_getbool( &bee->set, "display_namechanges" ) )
320	{
321	/* People don't like this /NOTICE. Meh, let's go back to the old one.
322	char *msg = g_strdup_printf( "<< \002BitlBee\002 - Changed name to `%s' >>", iu->fullname );
323	irc_send_msg( iu, "NOTICE", irc->user->nick, msg, NULL );
324	*/
325	imcb_log( bu->ic, "User `%s' changed name to `%s'", iu->nick, iu->fullname );
326	}
327
328	bee_irc_user_nick_update( iu );
329
330	return TRUE;
331	}
332
333	static gboolean bee_irc_user_nick_hint( bee_t bee, bee_user_t bu, const char *hint )
334	{
335	bee_irc_user_nick_update( (irc_user_t*) bu->ui_data );
336
337	return TRUE;
338	}
339
340	static gboolean bee_irc_user_group( bee_t bee, bee_user_t bu )
341	{
342	irc_user_t iu = (irc_user_t ) bu->ui_data;
343	irc_t irc = (irc_t ) bee->ui_data;
344	bee_user_flags_t online;
345
346	/* Take the user offline temporarily so we can change the nick (if necessary). */
347	if( ( online = bu->flags & BEE_USER_ONLINE ) )
348	bu->flags &= ~BEE_USER_ONLINE;
349
350	bee_irc_channel_update( irc, NULL, iu );
351	bee_irc_user_nick_update( iu );
352
353	if( online )
354	{
355	bu->flags \|= online;
356	bee_irc_channel_update( irc, NULL, iu );
357	}
358
359	return TRUE;
360	}
361
362	static gboolean bee_irc_user_nick_update( irc_user_t *iu )
363	{
364	bee_user_t *bu = iu->bu;
365	char *newnick;
366
367	if( bu->flags & BEE_USER_ONLINE )
368	/* Ignore if the user is visible already. */
369	return TRUE;
370
371	if( nick_saved( bu ) )
372	/* The user already assigned a nickname to this person. */
373	return TRUE;
374
375	newnick = nick_get( bu );
376
377	if( strcmp( iu->nick, newnick ) != 0 )
378	{
379	nick_dedupe( bu, newnick );
380	irc_user_set_nick( iu, newnick );
381	}
382
383	return TRUE;
384	}
385
386	void bee_irc_user_nick_reset( irc_user_t *iu )
387	{
388	bee_user_t *bu = iu->bu;
389	bee_user_flags_t online;
390
391	if( bu == FALSE )
392	return;
393
394	/* In this case, pretend the user is offline. */
395	if( ( online = bu->flags & BEE_USER_ONLINE ) )
396	bu->flags &= ~BEE_USER_ONLINE;
397
398	nick_del( bu );
399	bee_irc_user_nick_update( iu );
400
401	bu->flags \|= online;
402	}
403
404	/* IRC->IM calls */
405
406	static gboolean bee_irc_user_privmsg_cb( gpointer data, gint fd, b_input_condition cond );
407
408	static gboolean bee_irc_user_privmsg( irc_user_t iu, const char msg )
409	{
410	const char *away;
411
412	if( iu->bu == NULL )
413	return FALSE;
414
415	if( ( away = irc_user_get_away( iu ) ) &&
416	time( NULL ) >= iu->away_reply_timeout )
417	{
418	irc_send_num( iu->irc, 301, "%s :%s", iu->nick, away );
419	iu->away_reply_timeout = time( NULL ) +
420	set_getint( &iu->irc->b->set, "away_reply_timeout" );
421	}
422
423	if( iu->pastebuf == NULL )
424	iu->pastebuf = g_string_new( msg );
425	else
426	{
427	b_event_remove( iu->pastebuf_timer );
428	g_string_append_printf( iu->pastebuf, "\n%s", msg );
429	}
430
431	if( set_getbool( &iu->irc->b->set, "paste_buffer" ) )
432	{
433	int delay;
434
435	if( ( delay = set_getint( &iu->irc->b->set, "paste_buffer_delay" ) ) <= 5 )
436	delay *= 1000;
437
438	iu->pastebuf_timer = b_timeout_add( delay, bee_irc_user_privmsg_cb, iu );
439
440	return TRUE;
441	}
442	else
443	{
444	bee_irc_user_privmsg_cb( iu, 0, 0 );
445
446	return TRUE;
447	}
448	}
449
450	static gboolean bee_irc_user_privmsg_cb( gpointer data, gint fd, b_input_condition cond )
451	{
452	irc_user_t *iu = data;
453	char *msg = g_string_free( iu->pastebuf, FALSE );
454	GSList *l;
455
456	for( l = irc_plugins; l; l = l->next )
457	{
458	irc_plugin_t *p = l->data;
459	if( p->filter_msg_out )
460	{
461	char *s = p->filter_msg_out( iu, msg, 0 );
462	if( s )
463	{
464	if( s != msg )
465	g_free( msg );
466	msg = s;
467	}
468	else
469	{
470	/* Modules can swallow messages. */
471	iu->pastebuf = NULL;
472	g_free( msg );
473	return FALSE;
474	}
475	}
476	}
477
478	bee_user_msg( iu->irc->b, iu->bu, msg, 0 );
479
480	g_free( msg );
481	iu->pastebuf = NULL;
482	iu->pastebuf_timer = 0;
483
484	return FALSE;
485	}
486
487	static gboolean bee_irc_user_ctcp( irc_user_t iu, char const *ctcp )
488	{
489	if( ctcp[1] && g_strcasecmp( ctcp[0], "DCC" ) == 0
490	&& g_strcasecmp( ctcp[1], "SEND" ) == 0 )
491	{
492	if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request )
493	{
494	file_transfer_t *ft = dcc_request( iu->bu->ic, ctcp );
495	if ( ft )
496	iu->bu->ic->acc->prpl->transfer_request( iu->bu->ic, ft, iu->bu->handle );
497
498	return TRUE;
499	}
500	}
501	else if( g_strcasecmp( ctcp[0], "TYPING" ) == 0 )
502	{
503	if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->send_typing && ctcp[1] )
504	{
505	int st = ctcp[1][0];
506	if( st >= '0' && st <= '2' )
507	{
508	st <<= 8;
509	iu->bu->ic->acc->prpl->send_typing( iu->bu->ic, iu->bu->handle, st );
510	}
511
512	return TRUE;
513	}
514	}
515	else if( g_strcasecmp( ctcp[0], "HELP" ) == 0 && iu->bu )
516	{
517	GString *supp = g_string_new( "Supported CTCPs:" );
518	GList *l;
519
520	if( iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request )
521	g_string_append( supp, " DCC SEND," );
522	if( iu->bu->ic && iu->bu->ic->acc->prpl->send_typing )
523	g_string_append( supp, " TYPING," );
524	if( iu->bu->ic->acc->prpl->buddy_action_list )
525	for( l = iu->bu->ic->acc->prpl->buddy_action_list( iu->bu ); l; l = l->next )
526	{
527	struct buddy_action *ba = l->data;
528	g_string_append_printf( supp, " %s (%s),",
529	ba->name, ba->description );
530	}
531	g_string_truncate( supp, supp->len - 1 );
532	irc_send_msg_f( iu, "NOTICE", iu->irc->user->nick, "\001HELP %s\001", supp->str );
533	g_string_free( supp, TRUE );
534	}
535	else if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->buddy_action )
536	{
537	iu->bu->ic->acc->prpl->buddy_action( iu->bu, ctcp[0], ctcp + 1, NULL );
538	}
539
540	return FALSE;
541	}
542
543	static const struct irc_user_funcs irc_user_im_funcs = {
544	bee_irc_user_privmsg,
545	bee_irc_user_ctcp,
546	};
547
548
549	/* IM->IRC: Groupchats */
550	const struct irc_channel_funcs irc_channel_im_chat_funcs;
551
552	static gboolean bee_irc_chat_new( bee_t bee, struct groupchat c )
553	{
554	irc_t *irc = bee->ui_data;
555	irc_channel_t *ic;
556	char *topic;
557	GSList *l;
558	int i;
559
560	/* Try to find a channel that expects to receive a groupchat.
561	This flag is set earlier in our current call trace. */
562	for( l = irc->channels; l; l = l->next )
563	{
564	ic = l->data;
565	if( ic->flags & IRC_CHANNEL_CHAT_PICKME )
566	break;
567	}
568
569	/* If we found none, just generate some stupid name. */
570	if( l == NULL ) for( i = 0; i <= 999; i ++ )
571	{
572	char name[16];
573	sprintf( name, "#chat_%03d", i );
574	if( ( ic = irc_channel_new( irc, name ) ) )
575	break;
576	}
577
578	if( ic == NULL )
579	return FALSE;
580
581	c->ui_data = ic;
582	ic->data = c;
583
584	topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
585	irc_channel_set_topic( ic, topic, irc->root );
586	g_free( topic );
587
588	return TRUE;
589	}
590
591	static gboolean bee_irc_chat_free( bee_t bee, struct groupchat c )
592	{
593	irc_channel_t *ic = c->ui_data;
594
595	if( ic == NULL )
596	return FALSE;
597
598	if( ic->flags & IRC_CHANNEL_JOINED )
599	irc_channel_printf( ic, "Cleaning up channel, bye!" );
600
601	ic->data = NULL;
602	irc_channel_del_user( ic, ic->irc->user, IRC_CDU_KICK, "Chatroom closed by server" );
603
604	return TRUE;
605	}
606
607	static gboolean bee_irc_chat_log( bee_t bee, struct groupchat c, const char *text )
608	{
609	irc_channel_t *ic = c->ui_data;
610
611	if( ic == NULL )
612	return FALSE;
613
614	irc_channel_printf( ic, "%s", text );
615
616	return TRUE;
617	}
618
619	static gboolean bee_irc_chat_msg( bee_t bee, struct groupchat c, bee_user_t bu, const char msg, time_t sent_at )
620	{
621	irc_t *irc = bee->ui_data;
622	irc_user_t *iu = bu->ui_data;
623	irc_channel_t *ic = c->ui_data;
624	char *ts = NULL;
625
626	if( ic == NULL )
627	return FALSE;
628
629	if( sent_at > 0 && set_getbool( &bee->set, "display_timestamps" ) )
630	ts = irc_format_timestamp( irc, sent_at );
631
632	irc_send_msg( iu, "PRIVMSG", ic->name, msg, ts );
633	g_free( ts );
634
635	return TRUE;
636	}
637
638	static gboolean bee_irc_chat_add_user( bee_t bee, struct groupchat c, bee_user_t *bu )
639	{
640	irc_t *irc = bee->ui_data;
641	irc_channel_t *ic = c->ui_data;
642
643	if( ic == NULL )
644	return FALSE;
645
646	irc_channel_add_user( ic, bu == bee->user ? irc->user : bu->ui_data );
647
648	return TRUE;
649	}
650
651	static gboolean bee_irc_chat_remove_user( bee_t bee, struct groupchat c, bee_user_t *bu )
652	{
653	irc_t *irc = bee->ui_data;
654	irc_channel_t *ic = c->ui_data;
655
656	if( ic == NULL \|\| bu == NULL )
657	return FALSE;
658
659	/* TODO: Possible bug here: If a module removes $user here instead of just
660	using imcb_chat_free() and the channel was IRC_CHANNEL_TEMP, we get into
661	a broken state around here. */
662	irc_channel_del_user( ic, bu == bee->user ? irc->user : bu->ui_data, IRC_CDU_PART, NULL );
663
664	return TRUE;
665	}
666
667	static gboolean bee_irc_chat_topic( bee_t bee, struct groupchat c, const char new, bee_user_t bu )
668	{
669	irc_channel_t *ic = c->ui_data;
670	irc_t *irc = bee->ui_data;
671	irc_user_t *iu;
672
673	if( ic == NULL )
674	return FALSE;
675
676	if( bu == NULL )
677	iu = irc->root;
678	else if( bu == bee->user )
679	iu = irc->user;
680	else
681	iu = bu->ui_data;
682
683	irc_channel_set_topic( ic, new, iu );
684
685	return TRUE;
686	}
687
688	static gboolean bee_irc_chat_name_hint( bee_t bee, struct groupchat c, const char *name )
689	{
690	irc_t *irc = bee->ui_data;
691	irc_channel_t ic = c->ui_data, oic;
692	char stripped[MAX_NICK_LENGTH+1], *full_name;
693
694	if( ic == NULL )
695	return FALSE;
696
697	/* Don't rename a channel if the user's in it already. */
698	if( ic->flags & IRC_CHANNEL_JOINED )
699	return FALSE;
700
701	strncpy( stripped, name, MAX_NICK_LENGTH );
702	stripped[MAX_NICK_LENGTH] = '\0';
703	irc_channel_name_strip( stripped );
704	if( set_getbool( &bee->set, "lcnicks" ) )
705	nick_lc( stripped );
706
707	if( stripped[0] == '\0' )
708	return FALSE;
709
710	full_name = g_strdup_printf( "#%s", stripped );
711	if( ( oic = irc_channel_by_name( irc, full_name ) ) )
712	{
713	char type, chat_type;
714
715	type = set_getstr( &oic->set, "type" );
716	chat_type = set_getstr( &oic->set, "chat_type" );
717
718	if( type && chat_type && oic->data == FALSE &&
719	strcmp( type, "chat" ) == 0 &&
720	strcmp( chat_type, "groupchat" ) == 0 )
721	{
722	/* There's a channel with this name already, but it looks
723	like it's not in use yet. Most likely the IRC client
724	rejoined the channel after a reconnect. Remove it so
725	we can reuse its name. */
726	irc_channel_free( oic );
727	}
728	else
729	{
730	g_free( full_name );
731	return FALSE;
732	}
733	}
734
735	g_free( ic->name );
736	ic->name = full_name;
737
738	return TRUE;
739	}
740
741	static gboolean bee_irc_chat_invite( bee_t bee, bee_user_t bu, const char name, const char msg )
742	{
743	char channel, s;
744	irc_t *irc = bee->ui_data;
745	irc_user_t *iu = bu->ui_data;
746	irc_channel_t *chan;
747
748	if( strchr( CTYPES, name[0] ) )
749	channel = g_strdup( name );
750	else
751	channel = g_strdup_printf( "#%s", name );
752
753	if( ( s = strchr( channel, '@' ) ) )
754	*s = '\0';
755
756	if( strlen( channel ) > MAX_NICK_LENGTH )
757	{
758	/* If the channel name is very long (like those insane GTalk
759	UUID names), try if we can use the inviter's nick. */
760	s = g_strdup_printf( "#%s", iu->nick );
761	if( irc_channel_by_name( irc, s ) == NULL )
762	{
763	g_free( channel );
764	channel = s;
765	}
766	}
767
768	if( ( chan = irc_channel_new( irc, channel ) ) &&
769	set_setstr( &chan->set, "type", "chat" ) &&
770	set_setstr( &chan->set, "chat_type", "room" ) &&
771	set_setstr( &chan->set, "account", bu->ic->acc->tag ) &&
772	set_setstr( &chan->set, "room", (char*) name ) )
773	{
774	/* I'm assuming that if the user didn't "chat add" the room
775	himself but got invited, it's temporary, so make this a
776	temporary mapping that is removed as soon as we /PART. */
777	chan->flags \|= IRC_CHANNEL_TEMP;
778	}
779	else
780	{
781	irc_channel_free( chan );
782	chan = NULL;
783	}
784	g_free( channel );
785
786	irc_send_msg_f( iu, "PRIVMSG", irc->user->nick, "<< \002BitlBee\002 - Invitation to chatroom %s >>", name );
787	if( msg )
788	irc_send_msg( iu, "PRIVMSG", irc->user->nick, msg, NULL );
789	if( chan )
790	{
791	irc_send_msg_f( iu, "PRIVMSG", irc->user->nick, "To join the room, just /join %s", chan->name );
792	irc_send_invite( iu, chan );
793	}
794
795	return TRUE;
796	}
797
798	/* IRC->IM */
799	static gboolean bee_irc_channel_chat_privmsg_cb( gpointer data, gint fd, b_input_condition cond );
800
801	static gboolean bee_irc_channel_chat_privmsg( irc_channel_t ic, const char msg )
802	{
803	struct groupchat *c = ic->data;
804	char trans = NULL, s;
805
806	if( c == NULL )
807	return FALSE;
808
809	if( set_getbool( &ic->set, "translate_to_nicks" ) )
810	{
811	char nick[MAX_NICK_LENGTH+1];
812	irc_user_t *iu;
813
814	strncpy( nick, msg, MAX_NICK_LENGTH );
815	nick[MAX_NICK_LENGTH] = '\0';
816	if( ( s = strchr( nick, ':' ) ) \|\| ( s = strchr( nick, ',' ) ) )
817	{
818	*s = '\0';
819	if( ( iu = irc_user_by_name( ic->irc, nick ) ) && iu->bu &&
820	iu->bu->nick && irc_channel_has_user( ic, iu ) )
821	{
822	trans = g_strconcat( iu->bu->nick, msg + ( s - nick ), NULL );
823	msg = trans;
824	}
825	}
826	}
827
828	if( set_getbool( &ic->irc->b->set, "paste_buffer" ) )
829	{
830	int delay;
831
832	if( ic->pastebuf == NULL )
833	ic->pastebuf = g_string_new( msg );
834	else
835	{
836	b_event_remove( ic->pastebuf_timer );
837	g_string_append_printf( ic->pastebuf, "\n%s", msg );
838	}
839
840	if( ( delay = set_getint( &ic->irc->b->set, "paste_buffer_delay" ) ) <= 5 )
841	delay *= 1000;
842
843	ic->pastebuf_timer = b_timeout_add( delay, bee_irc_channel_chat_privmsg_cb, ic );
844
845	g_free( trans );
846	return TRUE;
847	}
848	else
849	bee_chat_msg( ic->irc->b, c, msg, 0 );
850
851	g_free( trans );
852	return TRUE;
853	}
854
855	static gboolean bee_irc_channel_chat_privmsg_cb( gpointer data, gint fd, b_input_condition cond )
856	{
857	irc_channel_t *ic = data;
858
859	if( ic->data )
860	bee_chat_msg( ic->irc->b, ic->data, ic->pastebuf->str, 0 );
861
862	g_string_free( ic->pastebuf, TRUE );
863	ic->pastebuf = 0;
864	ic->pastebuf_timer = 0;
865
866	return FALSE;
867	}
868
869	static gboolean bee_irc_channel_chat_join( irc_channel_t *ic )
870	{
871	char acc_s, room;
872	account_t *acc;
873
874	if( strcmp( set_getstr( &ic->set, "chat_type" ), "room" ) != 0 )
875	return TRUE;
876
877	if( ( acc_s = set_getstr( &ic->set, "account" ) ) &&
878	( room = set_getstr( &ic->set, "room" ) ) &&
879	( acc = account_get( ic->irc->b, acc_s ) ) &&
880	acc->ic && acc->prpl->chat_join )
881	{
882	char *nick;
883
884	if( !( nick = set_getstr( &ic->set, "nick" ) ) )
885	nick = ic->irc->user->nick;
886
887	ic->flags \|= IRC_CHANNEL_CHAT_PICKME;
888	acc->prpl->chat_join( acc->ic, room, nick, NULL, &ic->set );
889	ic->flags &= ~IRC_CHANNEL_CHAT_PICKME;
890
891	return FALSE;
892	}
893	else
894	{
895	irc_send_num( ic->irc, 403, "%s :Can't join channel, account offline?", ic->name );
896	return FALSE;
897	}
898	}
899
900	static gboolean bee_irc_channel_chat_part( irc_channel_t ic, const char msg )
901	{
902	struct groupchat *c = ic->data;
903
904	if( c && c->ic->acc->prpl->chat_leave )
905	c->ic->acc->prpl->chat_leave( c );
906
907	ic->data = NULL;
908
909	return TRUE;
910	}
911
912	static gboolean bee_irc_channel_chat_topic( irc_channel_t ic, const char new )
913	{
914	struct groupchat *c = ic->data;
915
916	if( c == NULL )
917	return FALSE;
918
919	if( c->ic->acc->prpl->chat_topic == NULL )
920	irc_send_num( ic->irc, 482, "%s :IM network does not support channel topics", ic->name );
921	else
922	{
923	/* TODO: Need more const goodness here, sigh */
924	char *topic = g_strdup( new );
925	c->ic->acc->prpl->chat_topic( c, topic );
926	g_free( topic );
927	}
928
929	/* Whatever happened, the IM module should ack the topic change. */
930	return FALSE;
931	}
932
933	static gboolean bee_irc_channel_chat_invite( irc_channel_t ic, irc_user_t iu )
934	{
935	struct groupchat *c = ic->data;
936	bee_user_t *bu = iu->bu;
937
938	if( bu == NULL )
939	return FALSE;
940
941	if( c )
942	{
943	if( iu->bu->ic != c->ic )
944	irc_send_num( ic->irc, 482, "%s :Can't mix different IM networks in one groupchat", ic->name );
945	else if( c->ic->acc->prpl->chat_invite )
946	c->ic->acc->prpl->chat_invite( c, iu->bu->handle, NULL );
947	else
948	irc_send_num( ic->irc, 482, "%s :IM protocol does not support room invitations", ic->name );
949	}
950	else if( bu->ic->acc->prpl->chat_with &&
951	strcmp( set_getstr( &ic->set, "chat_type" ), "groupchat" ) == 0 )
952	{
953	ic->flags \|= IRC_CHANNEL_CHAT_PICKME;
954	iu->bu->ic->acc->prpl->chat_with( bu->ic, bu->handle );
955	ic->flags &= ~IRC_CHANNEL_CHAT_PICKME;
956	}
957	else
958	{
959	irc_send_num( ic->irc, 482, "%s :IM protocol does not support room invitations", ic->name );
960	}
961
962	return TRUE;
963	}
964
965	static char set_eval_room_account( set_t set, char *value );
966	static char set_eval_chat_type( set_t set, char *value );
967
968	static gboolean bee_irc_channel_init( irc_channel_t *ic )
969	{
970	set_add( &ic->set, "account", NULL, set_eval_room_account, ic );
971	set_add( &ic->set, "chat_type", "groupchat", set_eval_chat_type, ic );
972	set_add( &ic->set, "nick", NULL, NULL, ic );
973	set_add( &ic->set, "room", NULL, NULL, ic );
974	set_add( &ic->set, "translate_to_nicks", "true", set_eval_bool, ic );
975
976	/* chat_type == groupchat */
977	ic->flags \|= IRC_CHANNEL_TEMP;
978
979	return TRUE;
980	}
981
982	static char set_eval_room_account( set_t set, char *value )
983	{
984	struct irc_channel *ic = set->data;
985	account_t acc, oa;
986
987	if( !( acc = account_get( ic->irc->b, value ) ) )
988	return SET_INVALID;
989	else if( !acc->prpl->chat_join )
990	{
991	irc_usermsg( ic->irc, "Named chatrooms not supported on that account." );
992	return SET_INVALID;
993	}
994
995	if( set->value && ( oa = account_get( ic->irc->b, set->value ) ) &&
996	oa->prpl->chat_free_settings )
997	oa->prpl->chat_free_settings( oa, &ic->set );
998
999	if( acc->prpl->chat_add_settings )
1000	acc->prpl->chat_add_settings( acc, &ic->set );
1001
1002	return g_strdup( acc->tag );
1003	}
1004
1005	static char set_eval_chat_type( set_t set, char *value )
1006	{
1007	struct irc_channel *ic = set->data;
1008
1009	if( strcmp( value, "groupchat" ) == 0 )
1010	ic->flags \|= IRC_CHANNEL_TEMP;
1011	else if( strcmp( value, "room" ) == 0 )
1012	ic->flags &= ~IRC_CHANNEL_TEMP;
1013	else
1014	return NULL;
1015
1016	return value;
1017	}
1018
1019	static gboolean bee_irc_channel_free( irc_channel_t *ic )
1020	{
1021	struct groupchat *c = ic->data;
1022
1023	set_del( &ic->set, "account" );
1024	set_del( &ic->set, "chat_type" );
1025	set_del( &ic->set, "nick" );
1026	set_del( &ic->set, "room" );
1027	set_del( &ic->set, "translate_to_nicks" );
1028
1029	ic->flags &= ~IRC_CHANNEL_TEMP;
1030
1031	/* That one still points at this channel. Don't. */
1032	if( c )
1033	c->ui_data = NULL;
1034
1035	return TRUE;
1036	}
1037
1038	const struct irc_channel_funcs irc_channel_im_chat_funcs = {
1039	bee_irc_channel_chat_privmsg,
1040	bee_irc_channel_chat_join,
1041	bee_irc_channel_chat_part,
1042	bee_irc_channel_chat_topic,
1043	bee_irc_channel_chat_invite,
1044
1045	bee_irc_channel_init,
1046	bee_irc_channel_free,
1047	};
1048
1049
1050	/* IM->IRC: File transfers */
1051	static file_transfer_t bee_irc_ft_in_start( bee_t bee, bee_user_t bu, const char file_name, size_t file_size )
1052	{
1053	return dccs_send_start( bu->ic, (irc_user_t *) bu->ui_data, file_name, file_size );
1054	}
1055
1056	static gboolean bee_irc_ft_out_start( struct im_connection ic, file_transfer_t ft )
1057	{
1058	return dccs_recv_start( ft );
1059	}
1060
1061	static void bee_irc_ft_close( struct im_connection ic, file_transfer_t ft )
1062	{
1063	return dcc_close( ft );
1064	}
1065
1066	static void bee_irc_ft_finished( struct im_connection ic, file_transfer_t file )
1067	{
1068	dcc_file_transfer_t *df = file->priv;
1069
1070	if( file->bytes_transferred >= file->file_size )
1071	dcc_finish( file );
1072	else
1073	df->proto_finished = TRUE;
1074	}
1075
1076	const struct bee_ui_funcs irc_ui_funcs = {
1077	bee_irc_imc_connected,
1078	bee_irc_imc_disconnected,
1079
1080	bee_irc_user_new,
1081	bee_irc_user_free,
1082	bee_irc_user_fullname,
1083	bee_irc_user_nick_hint,
1084	bee_irc_user_group,
1085	bee_irc_user_status,
1086	bee_irc_user_msg,
1087	bee_irc_user_typing,
1088	bee_irc_user_action_response,
1089
1090	bee_irc_chat_new,
1091	bee_irc_chat_free,
1092	bee_irc_chat_log,
1093	bee_irc_chat_msg,
1094	bee_irc_chat_add_user,
1095	bee_irc_chat_remove_user,
1096	bee_irc_chat_topic,
1097	bee_irc_chat_name_hint,
1098	bee_irc_chat_invite,
1099
1100	bee_irc_ft_in_start,
1101	bee_irc_ft_out_start,
1102	bee_irc_ft_close,
1103	bee_irc_ft_finished,
1104	};

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