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source: irc_im.c @ 386042c

Last change on this file since 386042c was 57a65600, checked in by Wilmer van der Gaast <wilmer@…>, at 2012-03-10T00:06:29Z
Bug #929: Indeed SET_NULL_OK was missing.
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	const char *dst;
200	char *prefix = NULL;
201	char wrapped, ts = 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	dst = irc_user_msgdest( iu );
209	if( dst != irc->user->nick )
210	{
211	/* if not messaging directly, call user by name */
212	prefix = g_strdup_printf( "%s%s%s", irc->user->nick, set_getstr( &bee->set, "to_char" ), ts ? : "" );
213	}
214	else
215	{
216	prefix = ts;
217	ts = NULL; /* don't double-free */
218	}
219
220	for( l = irc_plugins; l; l = l->next )
221	{
222	irc_plugin_t *p = l->data;
223	if( p->filter_msg_in )
224	{
225	char *s = p->filter_msg_in( iu, msg, 0 );
226	if( s )
227	{
228	if( s != msg )
229	g_free( msg );
230	msg = s;
231	}
232	else
233	{
234	/* Modules can swallow messages. */
235	return TRUE;
236	}
237	}
238	}
239
240	if( ( g_strcasecmp( set_getstr( &bee->set, "strip_html" ), "always" ) == 0 ) \|\|
241	( ( bu->ic->flags & OPT_DOES_HTML ) && set_getbool( &bee->set, "strip_html" ) ) )
242	{
243	char *s = g_strdup( msg );
244	strip_html( s );
245	g_free( msg );
246	msg = s;
247	}
248
249	wrapped = word_wrap( msg, 425 );
250	irc_send_msg( iu, "PRIVMSG", dst, wrapped, prefix );
251
252	g_free( wrapped );
253	g_free( prefix );
254	g_free( msg );
255	g_free( ts );
256
257	return TRUE;
258	}
259
260	static gboolean bee_irc_user_typing( bee_t bee, bee_user_t bu, uint32_t flags )
261	{
262	irc_t irc = (irc_t ) bee->ui_data;
263
264	if( set_getbool( &bee->set, "typing_notice" ) )
265	irc_send_msg_f( (irc_user_t *) bu->ui_data, "PRIVMSG", irc->user->nick,
266	"\001TYPING %d\001", ( flags >> 8 ) & 3 );
267	else
268	return FALSE;
269
270	return TRUE;
271	}
272
273	static gboolean bee_irc_user_action_response( bee_t bee, bee_user_t bu, const char action, char const args[], void *data )
274	{
275	irc_t irc = (irc_t ) bee->ui_data;
276	GString *msg = g_string_new( "\001" );
277
278	g_string_append( msg, action );
279	while( *args )
280	{
281	if( strchr( *args, ' ' ) )
282	g_string_append_printf( msg, " \"%s\"", *args );
283	else
284	g_string_append_printf( msg, " %s", *args );
285	args ++;
286	}
287	g_string_append_c( msg, '\001' );
288
289	irc_send_msg( (irc_user_t *) bu->ui_data, "NOTICE", irc->user->nick, msg->str, NULL );
290
291	return TRUE;
292	}
293
294	static gboolean bee_irc_user_nick_update( irc_user_t *iu );
295
296	static gboolean bee_irc_user_fullname( bee_t bee, bee_user_t bu )
297	{
298	irc_user_t iu = (irc_user_t ) bu->ui_data;
299	char *s;
300
301	if( iu->fullname != iu->nick )
302	g_free( iu->fullname );
303	iu->fullname = g_strdup( bu->fullname );
304
305	/* Strip newlines (unlikely, but IRC-unfriendly so they must go)
306	TODO(wilmer): Do the same with away msgs again! */
307	for( s = iu->fullname; *s; s ++ )
308	if( isspace( s ) ) s = ' ';
309
310	if( ( bu->ic->flags & OPT_LOGGED_IN ) && set_getbool( &bee->set, "display_namechanges" ) )
311	{
312	/* People don't like this /NOTICE. Meh, let's go back to the old one.
313	char *msg = g_strdup_printf( "<< \002BitlBee\002 - Changed name to `%s' >>", iu->fullname );
314	irc_send_msg( iu, "NOTICE", irc->user->nick, msg, NULL );
315	*/
316	imcb_log( bu->ic, "User `%s' changed name to `%s'", iu->nick, iu->fullname );
317	}
318
319	bee_irc_user_nick_update( iu );
320
321	return TRUE;
322	}
323
324	static gboolean bee_irc_user_nick_hint( bee_t bee, bee_user_t bu, const char *hint )
325	{
326	bee_irc_user_nick_update( (irc_user_t*) bu->ui_data );
327
328	return TRUE;
329	}
330
331	static gboolean bee_irc_user_group( bee_t bee, bee_user_t bu )
332	{
333	irc_user_t iu = (irc_user_t ) bu->ui_data;
334	irc_t irc = (irc_t ) bee->ui_data;
335	bee_user_flags_t online;
336
337	/* Take the user offline temporarily so we can change the nick (if necessary). */
338	if( ( online = bu->flags & BEE_USER_ONLINE ) )
339	bu->flags &= ~BEE_USER_ONLINE;
340
341	bee_irc_channel_update( irc, NULL, iu );
342	bee_irc_user_nick_update( iu );
343
344	if( online )
345	{
346	bu->flags \|= online;
347	bee_irc_channel_update( irc, NULL, iu );
348	}
349
350	return TRUE;
351	}
352
353	static gboolean bee_irc_user_nick_update( irc_user_t *iu )
354	{
355	bee_user_t *bu = iu->bu;
356	char *newnick;
357
358	if( bu->flags & BEE_USER_ONLINE )
359	/* Ignore if the user is visible already. */
360	return TRUE;
361
362	if( nick_saved( bu ) )
363	/* The user already assigned a nickname to this person. */
364	return TRUE;
365
366	newnick = nick_get( bu );
367
368	if( strcmp( iu->nick, newnick ) != 0 )
369	{
370	nick_dedupe( bu, newnick );
371	irc_user_set_nick( iu, newnick );
372	}
373
374	return TRUE;
375	}
376
377	void bee_irc_user_nick_reset( irc_user_t *iu )
378	{
379	bee_user_t *bu = iu->bu;
380	bee_user_flags_t online;
381
382	if( bu == FALSE )
383	return;
384
385	/* In this case, pretend the user is offline. */
386	if( ( online = bu->flags & BEE_USER_ONLINE ) )
387	bu->flags &= ~BEE_USER_ONLINE;
388
389	nick_del( bu );
390	bee_irc_user_nick_update( iu );
391
392	bu->flags \|= online;
393	}
394
395	/* IRC->IM calls */
396
397	static gboolean bee_irc_user_privmsg_cb( gpointer data, gint fd, b_input_condition cond );
398
399	static gboolean bee_irc_user_privmsg( irc_user_t iu, const char msg )
400	{
401	const char *away;
402
403	if( iu->bu == NULL )
404	return FALSE;
405
406	if( ( away = irc_user_get_away( iu ) ) &&
407	time( NULL ) >= iu->away_reply_timeout )
408	{
409	irc_send_num( iu->irc, 301, "%s :%s", iu->nick, away );
410	iu->away_reply_timeout = time( NULL ) +
411	set_getint( &iu->irc->b->set, "away_reply_timeout" );
412	}
413
414	if( iu->pastebuf == NULL )
415	iu->pastebuf = g_string_new( msg );
416	else
417	{
418	b_event_remove( iu->pastebuf_timer );
419	g_string_append_printf( iu->pastebuf, "\n%s", msg );
420	}
421
422	if( set_getbool( &iu->irc->b->set, "paste_buffer" ) )
423	{
424	int delay;
425
426	if( ( delay = set_getint( &iu->irc->b->set, "paste_buffer_delay" ) ) <= 5 )
427	delay *= 1000;
428
429	iu->pastebuf_timer = b_timeout_add( delay, bee_irc_user_privmsg_cb, iu );
430
431	return TRUE;
432	}
433	else
434	{
435	bee_irc_user_privmsg_cb( iu, 0, 0 );
436
437	return TRUE;
438	}
439	}
440
441	static gboolean bee_irc_user_privmsg_cb( gpointer data, gint fd, b_input_condition cond )
442	{
443	irc_user_t *iu = data;
444	char *msg;
445	GSList *l;
446
447	msg = g_string_free( iu->pastebuf, FALSE );
448	iu->pastebuf = NULL;
449	iu->pastebuf_timer = 0;
450
451	for( l = irc_plugins; l; l = l->next )
452	{
453	irc_plugin_t *p = l->data;
454	if( p->filter_msg_out )
455	{
456	char *s = p->filter_msg_out( iu, msg, 0 );
457	if( s )
458	{
459	if( s != msg )
460	g_free( msg );
461	msg = s;
462	}
463	else
464	{
465	/* Modules can swallow messages. */
466	iu->pastebuf = NULL;
467	g_free( msg );
468	return FALSE;
469	}
470	}
471	}
472
473	bee_user_msg( iu->irc->b, iu->bu, msg, 0 );
474
475	g_free( msg );
476
477	return FALSE;
478	}
479
480	static gboolean bee_irc_user_ctcp( irc_user_t iu, char const *ctcp )
481	{
482	if( ctcp[1] && g_strcasecmp( ctcp[0], "DCC" ) == 0
483	&& g_strcasecmp( ctcp[1], "SEND" ) == 0 )
484	{
485	if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request )
486	{
487	file_transfer_t *ft = dcc_request( iu->bu->ic, ctcp );
488	if ( ft )
489	iu->bu->ic->acc->prpl->transfer_request( iu->bu->ic, ft, iu->bu->handle );
490
491	return TRUE;
492	}
493	}
494	else if( g_strcasecmp( ctcp[0], "TYPING" ) == 0 )
495	{
496	if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->send_typing && ctcp[1] )
497	{
498	int st = ctcp[1][0];
499	if( st >= '0' && st <= '2' )
500	{
501	st <<= 8;
502	iu->bu->ic->acc->prpl->send_typing( iu->bu->ic, iu->bu->handle, st );
503	}
504
505	return TRUE;
506	}
507	}
508	else if( g_strcasecmp( ctcp[0], "HELP" ) == 0 && iu->bu )
509	{
510	GString *supp = g_string_new( "Supported CTCPs:" );
511	GList *l;
512
513	if( iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request )
514	g_string_append( supp, " DCC SEND," );
515	if( iu->bu->ic && iu->bu->ic->acc->prpl->send_typing )
516	g_string_append( supp, " TYPING," );
517	if( iu->bu->ic->acc->prpl->buddy_action_list )
518	for( l = iu->bu->ic->acc->prpl->buddy_action_list( iu->bu ); l; l = l->next )
519	{
520	struct buddy_action *ba = l->data;
521	g_string_append_printf( supp, " %s (%s),",
522	ba->name, ba->description );
523	}
524	g_string_truncate( supp, supp->len - 1 );
525	irc_send_msg_f( iu, "NOTICE", iu->irc->user->nick, "\001HELP %s\001", supp->str );
526	g_string_free( supp, TRUE );
527	}
528	else if( iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->buddy_action )
529	{
530	iu->bu->ic->acc->prpl->buddy_action( iu->bu, ctcp[0], ctcp + 1, NULL );
531	}
532
533	return FALSE;
534	}
535
536	static const struct irc_user_funcs irc_user_im_funcs = {
537	bee_irc_user_privmsg,
538	bee_irc_user_ctcp,
539	};
540
541
542	/* IM->IRC: Groupchats */
543	const struct irc_channel_funcs irc_channel_im_chat_funcs;
544
545	static gboolean bee_irc_chat_new( bee_t bee, struct groupchat c )
546	{
547	irc_t *irc = bee->ui_data;
548	irc_channel_t *ic;
549	char *topic;
550	GSList *l;
551	int i;
552
553	/* Try to find a channel that expects to receive a groupchat.
554	This flag is set earlier in our current call trace. */
555	for( l = irc->channels; l; l = l->next )
556	{
557	ic = l->data;
558	if( ic->flags & IRC_CHANNEL_CHAT_PICKME )
559	break;
560	}
561
562	/* If we found none, just generate some stupid name. */
563	if( l == NULL ) for( i = 0; i <= 999; i ++ )
564	{
565	char name[16];
566	sprintf( name, "#chat_%03d", i );
567	if( ( ic = irc_channel_new( irc, name ) ) )
568	break;
569	}
570
571	if( ic == NULL )
572	return FALSE;
573
574	c->ui_data = ic;
575	ic->data = c;
576
577	topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
578	irc_channel_set_topic( ic, topic, irc->root );
579	g_free( topic );
580
581	return TRUE;
582	}
583
584	static gboolean bee_irc_chat_free( bee_t bee, struct groupchat c )
585	{
586	irc_channel_t *ic = c->ui_data;
587
588	if( ic == NULL )
589	return FALSE;
590
591	if( ic->flags & IRC_CHANNEL_JOINED )
592	irc_channel_printf( ic, "Cleaning up channel, bye!" );
593
594	ic->data = NULL;
595	c->ui_data = NULL;
596	irc_channel_del_user( ic, ic->irc->user, IRC_CDU_KICK, "Chatroom closed by server" );
597
598	return TRUE;
599	}
600
601	static gboolean bee_irc_chat_log( bee_t bee, struct groupchat c, const char *text )
602	{
603	irc_channel_t *ic = c->ui_data;
604
605	if( ic == NULL )
606	return FALSE;
607
608	irc_channel_printf( ic, "%s", text );
609
610	return TRUE;
611	}
612
613	static gboolean bee_irc_chat_msg( bee_t bee, struct groupchat c, bee_user_t bu, const char msg, time_t sent_at )
614	{
615	irc_t *irc = bee->ui_data;
616	irc_user_t *iu = bu->ui_data;
617	irc_channel_t *ic = c->ui_data;
618	char *ts = NULL;
619
620	if( ic == NULL )
621	return FALSE;
622
623	if( sent_at > 0 && set_getbool( &bee->set, "display_timestamps" ) )
624	ts = irc_format_timestamp( irc, sent_at );
625
626	irc_send_msg( iu, "PRIVMSG", ic->name, msg, ts );
627	g_free( ts );
628
629	return TRUE;
630	}
631
632	static gboolean bee_irc_chat_add_user( bee_t bee, struct groupchat c, bee_user_t *bu )
633	{
634	irc_t *irc = bee->ui_data;
635	irc_channel_t *ic = c->ui_data;
636
637	if( ic == NULL )
638	return FALSE;
639
640	irc_channel_add_user( ic, bu == bee->user ? irc->user : bu->ui_data );
641
642	return TRUE;
643	}
644
645	static gboolean bee_irc_chat_remove_user( bee_t bee, struct groupchat c, bee_user_t *bu )
646	{
647	irc_t *irc = bee->ui_data;
648	irc_channel_t *ic = c->ui_data;
649
650	if( ic == NULL \|\| bu == NULL )
651	return FALSE;
652
653	/* TODO: Possible bug here: If a module removes $user here instead of just
654	using imcb_chat_free() and the channel was IRC_CHANNEL_TEMP, we get into
655	a broken state around here. */
656	irc_channel_del_user( ic, bu == bee->user ? irc->user : bu->ui_data, IRC_CDU_PART, NULL );
657
658	return TRUE;
659	}
660
661	static gboolean bee_irc_chat_topic( bee_t bee, struct groupchat c, const char new, bee_user_t bu )
662	{
663	irc_channel_t *ic = c->ui_data;
664	irc_t *irc = bee->ui_data;
665	irc_user_t *iu;
666
667	if( ic == NULL )
668	return FALSE;
669
670	if( bu == NULL )
671	iu = irc->root;
672	else if( bu == bee->user )
673	iu = irc->user;
674	else
675	iu = bu->ui_data;
676
677	irc_channel_set_topic( ic, new, iu );
678
679	return TRUE;
680	}
681
682	static gboolean bee_irc_chat_name_hint( bee_t bee, struct groupchat c, const char *name )
683	{
684	irc_t *irc = bee->ui_data;
685	irc_channel_t ic = c->ui_data, oic;
686	char stripped[MAX_NICK_LENGTH+1], *full_name;
687
688	if( ic == NULL )
689	return FALSE;
690
691	/* Don't rename a channel if the user's in it already. */
692	if( ic->flags & IRC_CHANNEL_JOINED )
693	return FALSE;
694
695	strncpy( stripped, name, MAX_NICK_LENGTH );
696	stripped[MAX_NICK_LENGTH] = '\0';
697	irc_channel_name_strip( stripped );
698	if( set_getbool( &bee->set, "lcnicks" ) )
699	nick_lc( stripped );
700
701	if( stripped[0] == '\0' )
702	return FALSE;
703
704	full_name = g_strdup_printf( "#%s", stripped );
705	if( ( oic = irc_channel_by_name( irc, full_name ) ) )
706	{
707	char type, chat_type;
708
709	type = set_getstr( &oic->set, "type" );
710	chat_type = set_getstr( &oic->set, "chat_type" );
711
712	if( type && chat_type && oic->data == FALSE &&
713	strcmp( type, "chat" ) == 0 &&
714	strcmp( chat_type, "groupchat" ) == 0 )
715	{
716	/* There's a channel with this name already, but it looks
717	like it's not in use yet. Most likely the IRC client
718	rejoined the channel after a reconnect. Remove it so
719	we can reuse its name. */
720	irc_channel_free( oic );
721	}
722	else
723	{
724	g_free( full_name );
725	return FALSE;
726	}
727	}
728
729	g_free( ic->name );
730	ic->name = full_name;
731
732	return TRUE;
733	}
734
735	static gboolean bee_irc_chat_invite( bee_t bee, bee_user_t bu, const char name, const char msg )
736	{
737	char channel, s;
738	irc_t *irc = bee->ui_data;
739	irc_user_t *iu = bu->ui_data;
740	irc_channel_t *chan;
741
742	if( strchr( CTYPES, name[0] ) )
743	channel = g_strdup( name );
744	else
745	channel = g_strdup_printf( "#%s", name );
746
747	if( ( s = strchr( channel, '@' ) ) )
748	*s = '\0';
749
750	if( strlen( channel ) > MAX_NICK_LENGTH )
751	{
752	/* If the channel name is very long (like those insane GTalk
753	UUID names), try if we can use the inviter's nick. */
754	s = g_strdup_printf( "#%s", iu->nick );
755	if( irc_channel_by_name( irc, s ) == NULL )
756	{
757	g_free( channel );
758	channel = s;
759	}
760	}
761
762	if( ( chan = irc_channel_new( irc, channel ) ) &&
763	set_setstr( &chan->set, "type", "chat" ) &&
764	set_setstr( &chan->set, "chat_type", "room" ) &&
765	set_setstr( &chan->set, "account", bu->ic->acc->tag ) &&
766	set_setstr( &chan->set, "room", (char*) name ) )
767	{
768	/* I'm assuming that if the user didn't "chat add" the room
769	himself but got invited, it's temporary, so make this a
770	temporary mapping that is removed as soon as we /PART. */
771	chan->flags \|= IRC_CHANNEL_TEMP;
772	}
773	else
774	{
775	irc_channel_free( chan );
776	chan = NULL;
777	}
778	g_free( channel );
779
780	irc_send_msg_f( iu, "PRIVMSG", irc->user->nick, "<< \002BitlBee\002 - Invitation to chatroom %s >>", name );
781	if( msg )
782	irc_send_msg( iu, "PRIVMSG", irc->user->nick, msg, NULL );
783	if( chan )
784	{
785	irc_send_msg_f( iu, "PRIVMSG", irc->user->nick, "To join the room, just /join %s", chan->name );
786	irc_send_invite( iu, chan );
787	}
788
789	return TRUE;
790	}
791
792	/* IRC->IM */
793	static gboolean bee_irc_channel_chat_privmsg_cb( gpointer data, gint fd, b_input_condition cond );
794
795	static gboolean bee_irc_channel_chat_privmsg( irc_channel_t ic, const char msg )
796	{
797	struct groupchat *c = ic->data;
798	char trans = NULL, s;
799
800	if( c == NULL )
801	return FALSE;
802
803	if( set_getbool( &ic->set, "translate_to_nicks" ) )
804	{
805	char nick[MAX_NICK_LENGTH+1];
806	irc_user_t *iu;
807
808	strncpy( nick, msg, MAX_NICK_LENGTH );
809	nick[MAX_NICK_LENGTH] = '\0';
810	if( ( s = strchr( nick, ':' ) ) \|\| ( s = strchr( nick, ',' ) ) )
811	{
812	*s = '\0';
813	if( ( iu = irc_user_by_name( ic->irc, nick ) ) && iu->bu &&
814	iu->bu->nick && irc_channel_has_user( ic, iu ) )
815	{
816	trans = g_strconcat( iu->bu->nick, msg + ( s - nick ), NULL );
817	msg = trans;
818	}
819	}
820	}
821
822	if( set_getbool( &ic->irc->b->set, "paste_buffer" ) )
823	{
824	int delay;
825
826	if( ic->pastebuf == NULL )
827	ic->pastebuf = g_string_new( msg );
828	else
829	{
830	b_event_remove( ic->pastebuf_timer );
831	g_string_append_printf( ic->pastebuf, "\n%s", msg );
832	}
833
834	if( ( delay = set_getint( &ic->irc->b->set, "paste_buffer_delay" ) ) <= 5 )
835	delay *= 1000;
836
837	ic->pastebuf_timer = b_timeout_add( delay, bee_irc_channel_chat_privmsg_cb, ic );
838
839	g_free( trans );
840	return TRUE;
841	}
842	else
843	bee_chat_msg( ic->irc->b, c, msg, 0 );
844
845	g_free( trans );
846	return TRUE;
847	}
848
849	static gboolean bee_irc_channel_chat_privmsg_cb( gpointer data, gint fd, b_input_condition cond )
850	{
851	irc_channel_t *ic = data;
852
853	if( ic->data )
854	bee_chat_msg( ic->irc->b, ic->data, ic->pastebuf->str, 0 );
855
856	g_string_free( ic->pastebuf, TRUE );
857	ic->pastebuf = 0;
858	ic->pastebuf_timer = 0;
859
860	return FALSE;
861	}
862
863	static gboolean bee_irc_channel_chat_join( irc_channel_t *ic )
864	{
865	char acc_s, room;
866	account_t *acc;
867
868	if( strcmp( set_getstr( &ic->set, "chat_type" ), "room" ) != 0 )
869	return TRUE;
870
871	if( ( acc_s = set_getstr( &ic->set, "account" ) ) &&
872	( room = set_getstr( &ic->set, "room" ) ) &&
873	( acc = account_get( ic->irc->b, acc_s ) ) &&
874	acc->ic && acc->prpl->chat_join )
875	{
876	char *nick;
877
878	if( !( nick = set_getstr( &ic->set, "nick" ) ) )
879	nick = ic->irc->user->nick;
880
881	ic->flags \|= IRC_CHANNEL_CHAT_PICKME;
882	acc->prpl->chat_join( acc->ic, room, nick, NULL, &ic->set );
883	ic->flags &= ~IRC_CHANNEL_CHAT_PICKME;
884
885	return FALSE;
886	}
887	else
888	{
889	irc_send_num( ic->irc, 403, "%s :Can't join channel, account offline?", ic->name );
890	return FALSE;
891	}
892	}
893
894	static gboolean bee_irc_channel_chat_part( irc_channel_t ic, const char msg )
895	{
896	struct groupchat *c = ic->data;
897
898	if( c && c->ic->acc->prpl->chat_leave )
899	c->ic->acc->prpl->chat_leave( c );
900
901	/* Remove references in both directions now. We don't need each other anymore. */
902	ic->data = NULL;
903	if( c )
904	c->ui_data = NULL;
905
906	return TRUE;
907	}
908
909	static gboolean bee_irc_channel_chat_topic( irc_channel_t ic, const char new )
910	{
911	struct groupchat *c = ic->data;
912
913	if( c == NULL )
914	return FALSE;
915
916	if( c->ic->acc->prpl->chat_topic == NULL )
917	irc_send_num( ic->irc, 482, "%s :IM network does not support channel topics", ic->name );
918	else
919	{
920	/* TODO: Need more const goodness here, sigh */
921	char *topic = g_strdup( new );
922	c->ic->acc->prpl->chat_topic( c, topic );
923	g_free( topic );
924	}
925
926	/* Whatever happened, the IM module should ack the topic change. */
927	return FALSE;
928	}
929
930	static gboolean bee_irc_channel_chat_invite( irc_channel_t ic, irc_user_t iu )
931	{
932	struct groupchat *c = ic->data;
933	bee_user_t *bu = iu->bu;
934
935	if( bu == NULL )
936	return FALSE;
937
938	if( c )
939	{
940	if( iu->bu->ic != c->ic )
941	irc_send_num( ic->irc, 482, "%s :Can't mix different IM networks in one groupchat", ic->name );
942	else if( c->ic->acc->prpl->chat_invite )
943	c->ic->acc->prpl->chat_invite( c, iu->bu->handle, NULL );
944	else
945	irc_send_num( ic->irc, 482, "%s :IM protocol does not support room invitations", ic->name );
946	}
947	else if( bu->ic->acc->prpl->chat_with &&
948	strcmp( set_getstr( &ic->set, "chat_type" ), "groupchat" ) == 0 )
949	{
950	ic->flags \|= IRC_CHANNEL_CHAT_PICKME;
951	iu->bu->ic->acc->prpl->chat_with( bu->ic, bu->handle );
952	ic->flags &= ~IRC_CHANNEL_CHAT_PICKME;
953	}
954	else
955	{
956	irc_send_num( ic->irc, 482, "%s :IM protocol does not support room invitations", ic->name );
957	}
958
959	return TRUE;
960	}
961
962	static char set_eval_room_account( set_t set, char *value );
963	static char set_eval_chat_type( set_t set, char *value );
964
965	static gboolean bee_irc_channel_init( irc_channel_t *ic )
966	{
967	set_t *s;
968
969	set_add( &ic->set, "account", NULL, set_eval_room_account, ic );
970	set_add( &ic->set, "chat_type", "groupchat", set_eval_chat_type, ic );
971
972	s = set_add( &ic->set, "nick", NULL, NULL, ic );
973	s->flags \|= SET_NULL_OK;
974
975	set_add( &ic->set, "room", NULL, NULL, ic );
976	set_add( &ic->set, "translate_to_nicks", "true", set_eval_bool, ic );
977
978	/* chat_type == groupchat */
979	ic->flags \|= IRC_CHANNEL_TEMP;
980
981	return TRUE;
982	}
983
984	static char set_eval_room_account( set_t set, char *value )
985	{
986	struct irc_channel *ic = set->data;
987	account_t acc, oa;
988
989	if( !( acc = account_get( ic->irc->b, value ) ) )
990	return SET_INVALID;
991	else if( !acc->prpl->chat_join )
992	{
993	irc_rootmsg( ic->irc, "Named chatrooms not supported on that account." );
994	return SET_INVALID;
995	}
996
997	if( set->value && ( oa = account_get( ic->irc->b, set->value ) ) &&
998	oa->prpl->chat_free_settings )
999	oa->prpl->chat_free_settings( oa, &ic->set );
1000
1001	if( acc->prpl->chat_add_settings )
1002	acc->prpl->chat_add_settings( acc, &ic->set );
1003
1004	return g_strdup( acc->tag );
1005	}
1006
1007	static char set_eval_chat_type( set_t set, char *value )
1008	{
1009	struct irc_channel *ic = set->data;
1010
1011	if( strcmp( value, "groupchat" ) == 0 )
1012	ic->flags \|= IRC_CHANNEL_TEMP;
1013	else if( strcmp( value, "room" ) == 0 )
1014	ic->flags &= ~IRC_CHANNEL_TEMP;
1015	else
1016	return NULL;
1017
1018	return value;
1019	}
1020
1021	static gboolean bee_irc_channel_free( irc_channel_t *ic )
1022	{
1023	struct groupchat *c = ic->data;
1024
1025	set_del( &ic->set, "account" );
1026	set_del( &ic->set, "chat_type" );
1027	set_del( &ic->set, "nick" );
1028	set_del( &ic->set, "room" );
1029	set_del( &ic->set, "translate_to_nicks" );
1030
1031	ic->flags &= ~IRC_CHANNEL_TEMP;
1032
1033	/* That one still points at this channel. Don't. */
1034	if( c )
1035	c->ui_data = NULL;
1036
1037	return TRUE;
1038	}
1039
1040	const struct irc_channel_funcs irc_channel_im_chat_funcs = {
1041	bee_irc_channel_chat_privmsg,
1042	bee_irc_channel_chat_join,
1043	bee_irc_channel_chat_part,
1044	bee_irc_channel_chat_topic,
1045	bee_irc_channel_chat_invite,
1046
1047	bee_irc_channel_init,
1048	bee_irc_channel_free,
1049	};
1050
1051
1052	/* IM->IRC: File transfers */
1053	static file_transfer_t bee_irc_ft_in_start( bee_t bee, bee_user_t bu, const char file_name, size_t file_size )
1054	{
1055	return dccs_send_start( bu->ic, (irc_user_t *) bu->ui_data, file_name, file_size );
1056	}
1057
1058	static gboolean bee_irc_ft_out_start( struct im_connection ic, file_transfer_t ft )
1059	{
1060	return dccs_recv_start( ft );
1061	}
1062
1063	static void bee_irc_ft_close( struct im_connection ic, file_transfer_t ft )
1064	{
1065	return dcc_close( ft );
1066	}
1067
1068	static void bee_irc_ft_finished( struct im_connection ic, file_transfer_t file )
1069	{
1070	dcc_file_transfer_t *df = file->priv;
1071
1072	if( file->bytes_transferred >= file->file_size )
1073	dcc_finish( file );
1074	else
1075	df->proto_finished = TRUE;
1076	}
1077
1078	const struct bee_ui_funcs irc_ui_funcs = {
1079	bee_irc_imc_connected,
1080	bee_irc_imc_disconnected,
1081
1082	bee_irc_user_new,
1083	bee_irc_user_free,
1084	bee_irc_user_fullname,
1085	bee_irc_user_nick_hint,
1086	bee_irc_user_group,
1087	bee_irc_user_status,
1088	bee_irc_user_msg,
1089	bee_irc_user_typing,
1090	bee_irc_user_action_response,
1091
1092	bee_irc_chat_new,
1093	bee_irc_chat_free,
1094	bee_irc_chat_log,
1095	bee_irc_chat_msg,
1096	bee_irc_chat_add_user,
1097	bee_irc_chat_remove_user,
1098	bee_irc_chat_topic,
1099	bee_irc_chat_name_hint,
1100	bee_irc_chat_invite,
1101
1102	bee_irc_ft_in_start,
1103	bee_irc_ft_out_start,
1104	bee_irc_ft_close,
1105	bee_irc_ft_finished,
1106	};

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