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source: protocols/nogaim.c @ 315dd4c

Last change on this file since 315dd4c was 90cd6c4, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-03-14T18:22:43Z
Allow disabling certain IM protocols at runtime, patch from misc@…, bug #381.
Property mode set to `100644`
File size: 29.4 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	/*
8	* nogaim
9	*
10	* Gaim without gaim - for BitlBee
11	*
12	* This file contains functions called by the Gaim IM-modules. It's written
13	* from scratch for BitlBee and doesn't contain any code from Gaim anymore
14	* (except for the function names).
15	*/
16
17	/*
18	This program is free software; you can redistribute it and/or modify
19	it under the terms of the GNU General Public License as published by
20	the Free Software Foundation; either version 2 of the License, or
21	(at your option) any later version.
22
23	This program is distributed in the hope that it will be useful,
24	but WITHOUT ANY WARRANTY; without even the implied warranty of
25	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26	GNU General Public License for more details.
27
28	You should have received a copy of the GNU General Public License with
29	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
30	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
31	Suite 330, Boston, MA 02111-1307 USA
32	*/
33
34	#define BITLBEE_CORE
35	#include <ctype.h>
36
37	#include "nogaim.h"
38	#include "chat.h"
39
40	static int remove_chat_buddy_silent( struct groupchat b, const char handle );
41
42	GSList *connections;
43
44	#ifdef WITH_PLUGINS
45	gboolean load_plugin(char *path)
46	{
47	void (*init_function) (void);
48
49	GModule *mod = g_module_open(path, G_MODULE_BIND_LAZY);
50
51	if(!mod) {
52	log_message(LOGLVL_ERROR, "Can't find `%s', not loading (%s)\n", path, g_module_error());
53	return FALSE;
54	}
55
56	if(!g_module_symbol(mod,"init_plugin",(gpointer *) &init_function)) {
57	log_message(LOGLVL_WARNING, "Can't find function `init_plugin' in `%s'\n", path);
58	return FALSE;
59	}
60
61	init_function();
62
63	return TRUE;
64	}
65
66	void load_plugins(void)
67	{
68	GDir *dir;
69	GError *error = NULL;
70
71	dir = g_dir_open(global.conf->plugindir, 0, &error);
72
73	if (dir) {
74	const gchar *entry;
75	char *path;
76
77	while ((entry = g_dir_read_name(dir))) {
78	path = g_build_filename(global.conf->plugindir, entry, NULL);
79	if(!path) {
80	log_message(LOGLVL_WARNING, "Can't build path for %s\n", entry);
81	continue;
82	}
83
84	load_plugin(path);
85
86	g_free(path);
87	}
88
89	g_dir_close(dir);
90	}
91	}
92	#endif
93
94	/* nogaim.c */
95
96	GList *protocols = NULL;
97
98	void register_protocol (struct prpl *p)
99	{
100	int i;
101	gboolean refused = global.conf->protocols != NULL;
102
103	for (i = 0; global.conf->protocols && global.conf->protocols[i]; i++)
104	{
105	if (g_strcasecmp(p->name, global.conf->protocols[i]) == 0)
106	refused = FALSE;
107	}
108
109	if (refused)
110	log_message(LOGLVL_WARNING, "Protocol %s disabled\n", p->name);
111	else
112	protocols = g_list_append(protocols, p);
113	}
114
115	struct prpl find_protocol(const char name)
116	{
117	GList *gl;
118	for (gl = protocols; gl; gl = gl->next)
119	{
120	struct prpl *proto = gl->data;
121	if(!g_strcasecmp(proto->name, name))
122	return proto;
123	}
124	return NULL;
125	}
126
127	/* nogaim.c */
128	void nogaim_init()
129	{
130	extern void msn_initmodule();
131	extern void oscar_initmodule();
132	extern void byahoo_initmodule();
133	extern void jabber_initmodule();
134
135	#ifdef WITH_MSN
136	msn_initmodule();
137	#endif
138
139	#ifdef WITH_OSCAR
140	oscar_initmodule();
141	#endif
142
143	#ifdef WITH_YAHOO
144	byahoo_initmodule();
145	#endif
146
147	#ifdef WITH_JABBER
148	jabber_initmodule();
149	#endif
150
151	#ifdef WITH_PLUGINS
152	load_plugins();
153	#endif
154	}
155
156	GSList *get_connections() { return connections; }
157
158	/* multi.c */
159
160	struct im_connection imcb_new( account_t acc )
161	{
162	struct im_connection *ic;
163
164	ic = g_new0( struct im_connection, 1 );
165
166	ic->irc = acc->irc;
167	ic->acc = acc;
168	acc->ic = ic;
169
170	connections = g_slist_append( connections, ic );
171
172	return( ic );
173	}
174
175	void imc_free( struct im_connection *ic )
176	{
177	account_t *a;
178
179	/* Destroy the pointer to this connection from the account list */
180	for( a = ic->irc->accounts; a; a = a->next )
181	if( a->ic == ic )
182	{
183	a->ic = NULL;
184	break;
185	}
186
187	connections = g_slist_remove( connections, ic );
188	g_free( ic );
189	}
190
191	static void serv_got_crap( struct im_connection ic, char format, ... )
192	{
193	va_list params;
194	char *text;
195	account_t *a;
196
197	va_start( params, format );
198	text = g_strdup_vprintf( format, params );
199	va_end( params );
200
201	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
202	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
203	strip_html( text );
204
205	/* Try to find a different connection on the same protocol. */
206	for( a = ic->irc->accounts; a; a = a->next )
207	if( a->prpl == ic->acc->prpl && a->ic != ic )
208	break;
209
210	/* If we found one, include the screenname in the message. */
211	if( a )
212	irc_usermsg( ic->irc, "%s(%s) - %s", ic->acc->prpl->name, ic->acc->user, text );
213	else
214	irc_usermsg( ic->irc, "%s - %s", ic->acc->prpl->name, text );
215
216	g_free( text );
217	}
218
219	void imcb_log( struct im_connection ic, char format, ... )
220	{
221	va_list params;
222	char *text;
223
224	va_start( params, format );
225	text = g_strdup_vprintf( format, params );
226	va_end( params );
227
228	if( ic->flags & OPT_LOGGED_IN )
229	serv_got_crap( ic, "%s", text );
230	else
231	serv_got_crap( ic, "Logging in: %s", text );
232
233	g_free( text );
234	}
235
236	void imcb_error( struct im_connection ic, char format, ... )
237	{
238	va_list params;
239	char *text;
240
241	va_start( params, format );
242	text = g_strdup_vprintf( format, params );
243	va_end( params );
244
245	if( ic->flags & OPT_LOGGED_IN )
246	serv_got_crap( ic, "Error: %s", text );
247	else
248	serv_got_crap( ic, "Couldn't log in: %s", text );
249
250	g_free( text );
251	}
252
253	static gboolean send_keepalive( gpointer d, gint fd, b_input_condition cond )
254	{
255	struct im_connection *ic = d;
256
257	if( ic->acc->prpl->keepalive )
258	ic->acc->prpl->keepalive( ic );
259
260	return TRUE;
261	}
262
263	void imcb_connected( struct im_connection *ic )
264	{
265	irc_t *irc = ic->irc;
266	struct chat *c;
267	user_t *u;
268
269	/* MSN servers sometimes redirect you to a different server and do
270	the whole login sequence again, so these "late" calls to this
271	function should be handled correctly. (IOW, ignored) */
272	if( ic->flags & OPT_LOGGED_IN )
273	return;
274
275	u = user_find( ic->irc, ic->irc->nick );
276
277	imcb_log( ic, "Logged in" );
278
279	ic->keepalive = b_timeout_add( 60000, send_keepalive, ic );
280	ic->flags \|= OPT_LOGGED_IN;
281
282	/* Necessary to send initial presence status, even if we're not away. */
283	imc_away_send_update( ic );
284
285	/* Apparently we're connected successfully, so reset the
286	exponential backoff timer. */
287	ic->acc->auto_reconnect_delay = 0;
288
289	for( c = irc->chatrooms; c; c = c->next )
290	{
291	if( c->acc != ic->acc )
292	continue;
293
294	if( set_getbool( &c->set, "auto_join" ) )
295	chat_join( irc, c, NULL );
296	}
297	}
298
299	gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond )
300	{
301	account_t *a = data;
302
303	a->reconnect = 0;
304	account_on( a->irc, a );
305
306	return( FALSE ); /* Only have to run the timeout once */
307	}
308
309	void cancel_auto_reconnect( account_t *a )
310	{
311	b_event_remove( a->reconnect );
312	a->reconnect = 0;
313	}
314
315	void imc_logout( struct im_connection *ic, int allow_reconnect )
316	{
317	irc_t *irc = ic->irc;
318	user_t t, u;
319	account_t *a;
320	int delay;
321
322	/* Nested calls might happen sometimes, this is probably the best
323	place to catch them. */
324	if( ic->flags & OPT_LOGGING_OUT )
325	return;
326	else
327	ic->flags \|= OPT_LOGGING_OUT;
328
329	imcb_log( ic, "Signing off.." );
330
331	b_event_remove( ic->keepalive );
332	ic->keepalive = 0;
333	ic->acc->prpl->logout( ic );
334	b_event_remove( ic->inpa );
335
336	g_free( ic->away );
337	ic->away = NULL;
338
339	u = irc->users;
340	while( u )
341	{
342	if( u->ic == ic )
343	{
344	t = u->next;
345	user_del( irc, u->nick );
346	u = t;
347	}
348	else
349	u = u->next;
350	}
351
352	query_del_by_conn( ic->irc, ic );
353
354	for( a = irc->accounts; a; a = a->next )
355	if( a->ic == ic )
356	break;
357
358	if( !a )
359	{
360	/* Uhm... This is very sick. */
361	}
362	else if( allow_reconnect && set_getbool( &irc->set, "auto_reconnect" ) &&
363	set_getbool( &a->set, "auto_reconnect" ) &&
364	( delay = account_reconnect_delay( a ) ) > 0 )
365	{
366	imcb_log( ic, "Reconnecting in %d seconds..", delay );
367	a->reconnect = b_timeout_add( delay * 1000, auto_reconnect, a );
368	}
369
370	imc_free( ic );
371	}
372
373
374	/* dialogs.c */
375
376	void imcb_ask( struct im_connection ic, char msg, void *data,
377	query_callback doit, query_callback dont )
378	{
379	query_add( ic->irc, ic, msg, doit, dont, data );
380	}
381
382
383	/* list.c */
384
385	void imcb_add_buddy( struct im_connection ic, const char handle, const char *group )
386	{
387	user_t *u;
388	char nick[MAX_NICK_LENGTH+1], *s;
389	irc_t *irc = ic->irc;
390
391	if( user_findhandle( ic, handle ) )
392	{
393	if( set_getbool( &irc->set, "debug" ) )
394	imcb_log( ic, "User already exists, ignoring add request: %s", handle );
395
396	return;
397
398	/* Buddy seems to exist already. Let's ignore this request then...
399	Eventually subsequent calls to this function should be possible
400	when a buddy is in multiple groups. But for now BitlBee doesn't
401	even support groups so let's silently ignore this for now. */
402	}
403
404	memset( nick, 0, MAX_NICK_LENGTH + 1 );
405	strcpy( nick, nick_get( ic->acc, handle ) );
406
407	u = user_add( ic->irc, nick );
408
409	// if( !realname \|\| !*realname ) realname = nick;
410	// u->realname = g_strdup( realname );
411
412	if( ( s = strchr( handle, '@' ) ) )
413	{
414	u->host = g_strdup( s + 1 );
415	u->user = g_strndup( handle, s - handle );
416	}
417	else if( ic->acc->server )
418	{
419	u->host = g_strdup( ic->acc->server );
420	u->user = g_strdup( handle );
421
422	/* s/ /_/ ... important for AOL screennames */
423	for( s = u->user; *s; s ++ )
424	if( *s == ' ' )
425	*s = '_';
426	}
427	else
428	{
429	u->host = g_strdup( ic->acc->prpl->name );
430	u->user = g_strdup( handle );
431	}
432
433	u->ic = ic;
434	u->handle = g_strdup( handle );
435	if( group ) u->group = g_strdup( group );
436	u->send_handler = buddy_send_handler;
437	u->last_typing_notice = 0;
438	}
439
440	struct buddy imcb_find_buddy( struct im_connection ic, char *handle )
441	{
442	static struct buddy b[1];
443	user_t *u;
444
445	u = user_findhandle( ic, handle );
446
447	if( !u )
448	return( NULL );
449
450	memset( b, 0, sizeof( b ) );
451	strncpy( b->name, handle, 80 );
452	strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN );
453	b->present = u->online;
454	b->ic = u->ic;
455
456	return( b );
457	}
458
459	void imcb_rename_buddy( struct im_connection ic, const char handle, const char *realname )
460	{
461	user_t *u = user_findhandle( ic, handle );
462	char *set;
463
464	if( !u \|\| !realname ) return;
465
466	if( g_strcasecmp( u->realname, realname ) != 0 )
467	{
468	if( u->realname != u->nick ) g_free( u->realname );
469
470	u->realname = g_strdup( realname );
471
472	if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) )
473	imcb_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname );
474	}
475
476	set = set_getstr( &ic->acc->set, "nick_source" );
477	if( strcmp( set, "handle" ) != 0 )
478	{
479	char *name = g_strdup( realname );
480
481	if( strcmp( set, "first_name" ) == 0 )
482	{
483	int i;
484	for( i = 0; name[i] && !isspace( name[i] ); i ++ ) {}
485	name[i] = '\0';
486	}
487
488	imcb_buddy_nick_hint( ic, handle, name );
489
490	g_free( name );
491	}
492	}
493
494	void imcb_remove_buddy( struct im_connection ic, const char handle, char *group )
495	{
496	user_t *u;
497
498	if( ( u = user_findhandle( ic, handle ) ) )
499	user_del( ic->irc, u->nick );
500	}
501
502	/* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM
503	modules to suggest a nickname for a handle. */
504	void imcb_buddy_nick_hint( struct im_connection ic, const char handle, const char *nick )
505	{
506	user_t *u = user_findhandle( ic, handle );
507	char newnick[MAX_NICK_LENGTH+1], *orig_nick;
508
509	if( u && !u->online && !nick_saved( ic->acc, handle ) )
510	{
511	/* Only do this if the person isn't online yet (which should
512	be the case if we just added it) and if the user hasn't
513	assigned a nickname to this buddy already. */
514
515	strncpy( newnick, nick, MAX_NICK_LENGTH );
516	newnick[MAX_NICK_LENGTH] = 0;
517
518	/* Some processing to make sure this string is a valid IRC nickname. */
519	nick_strip( newnick );
520	if( set_getbool( &ic->irc->set, "lcnicks" ) )
521	nick_lc( newnick );
522
523	if( strcmp( u->nick, newnick ) != 0 )
524	{
525	/* Only do this if newnick is different from the current one.
526	If rejoining a channel, maybe we got this nick already
527	(and dedupe would only add an underscore. */
528	nick_dedupe( ic->acc, handle, newnick );
529
530	/* u->nick will be freed halfway the process, so it can't be
531	passed as an argument. */
532	orig_nick = g_strdup( u->nick );
533	user_rename( ic->irc, orig_nick, newnick );
534	g_free( orig_nick );
535	}
536	}
537	}
538
539
540	struct imcb_ask_cb_data
541	{
542	struct im_connection *ic;
543	char *handle;
544	};
545
546	static void imcb_ask_auth_cb_no( void *data )
547	{
548	struct imcb_ask_cb_data *cbd = data;
549
550	cbd->ic->acc->prpl->auth_deny( cbd->ic, cbd->handle );
551
552	g_free( cbd->handle );
553	g_free( cbd );
554	}
555
556	static void imcb_ask_auth_cb_yes( void *data )
557	{
558	struct imcb_ask_cb_data *cbd = data;
559
560	cbd->ic->acc->prpl->auth_allow( cbd->ic, cbd->handle );
561
562	g_free( cbd->handle );
563	g_free( cbd );
564	}
565
566	void imcb_ask_auth( struct im_connection ic, const char handle, const char *realname )
567	{
568	struct imcb_ask_cb_data *data = g_new0( struct imcb_ask_cb_data, 1 );
569	char s, realname_ = NULL;
570
571	if( realname != NULL )
572	realname_ = g_strdup_printf( " (%s)", realname );
573
574	s = g_strdup_printf( "The user %s%s wants to add you to his/her buddy list.",
575	handle, realname_ ?: "" );
576
577	g_free( realname_ );
578
579	data->ic = ic;
580	data->handle = g_strdup( handle );
581	query_add( ic->irc, ic, s, imcb_ask_auth_cb_yes, imcb_ask_auth_cb_no, data );
582	}
583
584
585	static void imcb_ask_add_cb_no( void *data )
586	{
587	g_free( ((struct imcb_ask_cb_data*)data)->handle );
588	g_free( data );
589	}
590
591	static void imcb_ask_add_cb_yes( void *data )
592	{
593	struct imcb_ask_cb_data *cbd = data;
594
595	cbd->ic->acc->prpl->add_buddy( cbd->ic, cbd->handle, NULL );
596
597	return imcb_ask_add_cb_no( data );
598	}
599
600	void imcb_ask_add( struct im_connection ic, const char handle, const char *realname )
601	{
602	struct imcb_ask_cb_data *data = g_new0( struct imcb_ask_cb_data, 1 );
603	char *s;
604
605	/* TODO: Make a setting for this! */
606	if( user_findhandle( ic, handle ) != NULL )
607	return;
608
609	s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
610
611	data->ic = ic;
612	data->handle = g_strdup( handle );
613	query_add( ic->irc, ic, s, imcb_ask_add_cb_yes, imcb_ask_add_cb_no, data );
614	}
615
616
617	/* server.c */
618
619	void imcb_buddy_status( struct im_connection ic, const char handle, int flags, const char state, const char message )
620	{
621	user_t *u;
622	int oa, oo;
623
624	u = user_findhandle( ic, (char*) handle );
625
626	if( !u )
627	{
628	if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 )
629	{
630	imcb_add_buddy( ic, (char*) handle, NULL );
631	u = user_findhandle( ic, (char*) handle );
632	}
633	else
634	{
635	if( set_getbool( &ic->irc->set, "debug" ) \|\| g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 )
636	{
637	imcb_log( ic, "imcb_buddy_status() for unknown handle %s:", handle );
638	imcb_log( ic, "flags = %d, state = %s, message = %s", flags,
639	state ? state : "NULL", message ? message : "NULL" );
640	}
641
642	return;
643	}
644	}
645
646	oa = u->away != NULL;
647	oo = u->online;
648
649	if( u->away )
650	{
651	g_free( u->away );
652	u->away = NULL;
653	}
654
655	if( ( flags & OPT_LOGGED_IN ) && !u->online )
656	{
657	irc_spawn( ic->irc, u );
658	u->online = 1;
659	}
660	else if( !( flags & OPT_LOGGED_IN ) && u->online )
661	{
662	struct groupchat *c;
663
664	irc_kill( ic->irc, u );
665	u->online = 0;
666
667	/* Remove him/her from the groupchats to prevent PART messages after he/she QUIT already */
668	for( c = ic->groupchats; c; c = c->next )
669	remove_chat_buddy_silent( c, handle );
670	}
671
672	if( flags & OPT_AWAY )
673	{
674	if( state && message )
675	{
676	u->away = g_strdup_printf( "%s (%s)", state, message );
677	}
678	else if( state )
679	{
680	u->away = g_strdup( state );
681	}
682	else if( message )
683	{
684	u->away = g_strdup( message );
685	}
686	else
687	{
688	u->away = g_strdup( "Away" );
689	}
690	}
691	/* else waste_any_state_information_for_now(); */
692
693	/* LISPy... */
694	if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */
695	( u->online ) && /* Don't touch offline people */
696	( ( ( u->online != oo ) && !u->away ) \|\| /* Voice joining people */
697	( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */
698	{
699	char *from;
700
701	if( set_getbool( &ic->irc->set, "simulate_netsplit" ) )
702	{
703	from = g_strdup( ic->irc->myhost );
704	}
705	else
706	{
707	from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick,
708	ic->irc->myhost );
709	}
710	irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel,
711	u->away?'-':'+', u->nick );
712	g_free( from );
713	}
714	}
715
716	void imcb_buddy_msg( struct im_connection ic, const char handle, char *msg, uint32_t flags, time_t sent_at )
717	{
718	irc_t *irc = ic->irc;
719	char *wrapped;
720	user_t *u;
721
722	u = user_findhandle( ic, handle );
723
724	if( !u )
725	{
726	char *h = set_getstr( &irc->set, "handle_unknown" );
727
728	if( g_strcasecmp( h, "ignore" ) == 0 )
729	{
730	if( set_getbool( &irc->set, "debug" ) )
731	imcb_log( ic, "Ignoring message from unknown handle %s", handle );
732
733	return;
734	}
735	else if( g_strncasecmp( h, "add", 3 ) == 0 )
736	{
737	int private = set_getbool( &irc->set, "private" );
738
739	if( h[3] )
740	{
741	if( g_strcasecmp( h + 3, "_private" ) == 0 )
742	private = 1;
743	else if( g_strcasecmp( h + 3, "_channel" ) == 0 )
744	private = 0;
745	}
746
747	imcb_add_buddy( ic, handle, NULL );
748	u = user_findhandle( ic, handle );
749	u->is_private = private;
750	}
751	else
752	{
753	imcb_log( ic, "Message from unknown handle %s:", handle );
754	u = user_find( irc, irc->mynick );
755	}
756	}
757
758	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
759	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
760	strip_html( msg );
761
762	wrapped = word_wrap( msg, 425 );
763	irc_msgfrom( irc, u->nick, wrapped );
764	g_free( wrapped );
765	}
766
767	void imcb_buddy_typing( struct im_connection ic, char handle, uint32_t flags )
768	{
769	user_t *u;
770
771	if( !set_getbool( &ic->irc->set, "typing_notice" ) )
772	return;
773
774	if( ( u = user_findhandle( ic, handle ) ) )
775	{
776	char buf[256];
777
778	g_snprintf( buf, 256, "\1TYPING %d\1", ( flags >> 8 ) & 3 );
779	irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf );
780	}
781	}
782
783	struct groupchat imcb_chat_new( struct im_connection ic, const char *handle )
784	{
785	struct groupchat *c;
786
787	/* This one just creates the conversation structure, user won't see anything yet */
788
789	if( ic->groupchats )
790	{
791	for( c = ic->groupchats; c->next; c = c->next );
792	c = c->next = g_new0( struct groupchat, 1 );
793	}
794	else
795	ic->groupchats = c = g_new0( struct groupchat, 1 );
796
797	c->ic = ic;
798	c->title = g_strdup( handle );
799	c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ );
800	c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
801
802	if( set_getbool( &ic->irc->set, "debug" ) )
803	imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle );
804
805	return c;
806	}
807
808	void imcb_chat_free( struct groupchat *c )
809	{
810	struct im_connection *ic = c->ic;
811	struct groupchat *l;
812	GList *ir;
813
814	if( set_getbool( &ic->irc->set, "debug" ) )
815	imcb_log( ic, "You were removed from conversation %p", c );
816
817	if( c )
818	{
819	if( c->joined )
820	{
821	user_t u, r;
822
823	r = user_find( ic->irc, ic->irc->mynick );
824	irc_privmsg( ic->irc, r, "PRIVMSG", c->channel, "", "Cleaning up channel, bye!" );
825
826	u = user_find( ic->irc, ic->irc->nick );
827	irc_kick( ic->irc, u, c->channel, r );
828	/* irc_part( ic->irc, u, c->channel ); */
829	}
830
831	/* Find the previous chat in the linked list. */
832	for( l = ic->groupchats; l && l->next != c; l = l->next );
833
834	if( l )
835	l->next = c->next;
836	else
837	ic->groupchats = c->next;
838
839	for( ir = c->in_room; ir; ir = ir->next )
840	g_free( ir->data );
841	g_list_free( c->in_room );
842	g_free( c->channel );
843	g_free( c->title );
844	g_free( c->topic );
845	g_free( c );
846	}
847	}
848
849	void imcb_chat_msg( struct groupchat c, const char who, char *msg, uint32_t flags, time_t sent_at )
850	{
851	struct im_connection *ic = c->ic;
852	char *wrapped;
853	user_t *u;
854
855	/* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
856	if( g_strcasecmp( who, ic->acc->user ) == 0 )
857	return;
858
859	u = user_findhandle( ic, who );
860
861	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
862	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
863	strip_html( msg );
864
865	wrapped = word_wrap( msg, 425 );
866	if( c && u )
867	{
868	irc_privmsg( ic->irc, u, "PRIVMSG", c->channel, "", wrapped );
869	}
870	else
871	{
872	imcb_log( ic, "Message from/to conversation %s@%p (unknown conv/user): %s", who, c, wrapped );
873	}
874	g_free( wrapped );
875	}
876
877	void imcb_chat_log( struct groupchat c, char format, ... )
878	{
879	irc_t *irc = c->ic->irc;
880	va_list params;
881	char *text;
882	user_t *u;
883
884	va_start( params, format );
885	text = g_strdup_vprintf( format, params );
886	va_end( params );
887
888	u = user_find( irc, irc->mynick );
889
890	irc_privmsg( irc, u, "PRIVMSG", c->channel, "System message: ", text );
891
892	g_free( text );
893	}
894
895	void imcb_chat_topic( struct groupchat c, char who, char *topic, time_t set_at )
896	{
897	struct im_connection *ic = c->ic;
898	user_t *u = NULL;
899
900	if( who == NULL)
901	u = user_find( ic->irc, ic->irc->mynick );
902	else if( g_strcasecmp( who, ic->acc->user ) == 0 )
903	u = user_find( ic->irc, ic->irc->nick );
904	else
905	u = user_findhandle( ic, who );
906
907	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
908	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
909	strip_html( topic );
910
911	g_free( c->topic );
912	c->topic = g_strdup( topic );
913
914	if( c->joined && u )
915	irc_write( ic->irc, ":%s!%s@%s TOPIC %s :%s", u->nick, u->user, u->host, c->channel, topic );
916	}
917
918
919	/* buddy_chat.c */
920
921	void imcb_chat_add_buddy( struct groupchat b, const char handle )
922	{
923	user_t *u = user_findhandle( b->ic, handle );
924	int me = 0;
925
926	if( set_getbool( &b->ic->irc->set, "debug" ) )
927	imcb_log( b->ic, "User %s added to conversation %p", handle, b );
928
929	/* It might be yourself! */
930	if( b->ic->acc->prpl->handle_cmp( handle, b->ic->acc->user ) == 0 )
931	{
932	u = user_find( b->ic->irc, b->ic->irc->nick );
933	if( !b->joined )
934	irc_join( b->ic->irc, u, b->channel );
935	b->joined = me = 1;
936	}
937
938	/* Most protocols allow people to join, even when they're not in
939	your contact list. Try to handle that here */
940	if( !u )
941	{
942	imcb_add_buddy( b->ic, handle, NULL );
943	u = user_findhandle( b->ic, handle );
944	}
945
946	/* Add the handle to the room userlist, if it's not 'me' */
947	if( !me )
948	{
949	if( b->joined )
950	irc_join( b->ic->irc, u, b->channel );
951	b->in_room = g_list_append( b->in_room, g_strdup( handle ) );
952	}
953	}
954
955	/* This function is one BIG hack... :-( EREWRITE */
956	void imcb_chat_remove_buddy( struct groupchat b, const char handle, const char *reason )
957	{
958	user_t *u;
959	int me = 0;
960
961	if( set_getbool( &b->ic->irc->set, "debug" ) )
962	imcb_log( b->ic, "User %s removed from conversation %p (%s)", handle, b, reason ? reason : "" );
963
964	/* It might be yourself! */
965	if( g_strcasecmp( handle, b->ic->acc->user ) == 0 )
966	{
967	if( b->joined == 0 )
968	return;
969
970	u = user_find( b->ic->irc, b->ic->irc->nick );
971	b->joined = 0;
972	me = 1;
973	}
974	else
975	{
976	u = user_findhandle( b->ic, handle );
977	}
978
979	if( me \|\| ( remove_chat_buddy_silent( b, handle ) && b->joined && u ) )
980	irc_part( b->ic->irc, u, b->channel );
981	}
982
983	static int remove_chat_buddy_silent( struct groupchat b, const char handle )
984	{
985	GList *i;
986
987	/* Find the handle in the room userlist and shoot it */
988	i = b->in_room;
989	while( i )
990	{
991	if( g_strcasecmp( handle, i->data ) == 0 )
992	{
993	g_free( i->data );
994	b->in_room = g_list_remove( b->in_room, i->data );
995	return( 1 );
996	}
997
998	i = i->next;
999	}
1000
1001	return( 0 );
1002	}
1003
1004
1005	/* Misc. BitlBee stuff which shouldn't really be here */
1006
1007	char set_eval_away_devoice( set_t set, char *value )
1008	{
1009	irc_t *irc = set->data;
1010	int st;
1011
1012	if( !is_bool( value ) )
1013	return SET_INVALID;
1014
1015	st = bool2int( value );
1016
1017	/* Horror.... */
1018
1019	if( st != set_getbool( &irc->set, "away_devoice" ) )
1020	{
1021	char list[80] = "";
1022	user_t *u = irc->users;
1023	int i = 0, count = 0;
1024	char pm;
1025	char v[80];
1026
1027	if( st )
1028	pm = '+';
1029	else
1030	pm = '-';
1031
1032	while( u )
1033	{
1034	if( u->ic && u->online && !u->away )
1035	{
1036	if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
1037	{
1038	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
1039	irc_write( irc, ":%s MODE %s %c%s%s",
1040	irc->myhost,
1041	irc->channel, pm, v, list );
1042
1043	*list = 0;
1044	count = 0;
1045	}
1046
1047	sprintf( list + strlen( list ), " %s", u->nick );
1048	count ++;
1049	}
1050	u = u->next;
1051	}
1052
1053	/* $v = 'v' x $i */
1054	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
1055	irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
1056	irc->channel, pm, v, list );
1057	}
1058
1059	return value;
1060	}
1061
1062
1063
1064
1065	/* The plan is to not allow straight calls to prpl functions anymore, but do
1066	them all from some wrappers. We'll start to define some down here: */
1067
1068	int imc_buddy_msg( struct im_connection ic, char handle, char *msg, int flags )
1069	{
1070	char *buf = NULL;
1071	int st;
1072
1073	if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1074	{
1075	buf = escape_html( msg );
1076	msg = buf;
1077	}
1078
1079	st = ic->acc->prpl->buddy_msg( ic, handle, msg, flags );
1080	g_free( buf );
1081
1082	return st;
1083	}
1084
1085	int imc_chat_msg( struct groupchat c, char msg, int flags )
1086	{
1087	char *buf = NULL;
1088
1089	if( ( c->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1090	{
1091	buf = escape_html( msg );
1092	msg = buf;
1093	}
1094
1095	c->ic->acc->prpl->chat_msg( c, msg, flags );
1096	g_free( buf );
1097
1098	return 1;
1099	}
1100
1101	static char imc_away_state_find( GList gcm, char away, char *message );
1102
1103	int imc_away_send_update( struct im_connection *ic )
1104	{
1105	char away, msg = NULL;
1106
1107	away = set_getstr( &ic->acc->set, "away" ) ?
1108	: set_getstr( &ic->irc->set, "away" );
1109	if( away && *away )
1110	{
1111	GList *m = ic->acc->prpl->away_states( ic );
1112	msg = ic->acc->flags & ACC_FLAG_AWAY_MESSAGE ? away : NULL;
1113	away = imc_away_state_find( m, away, &msg ) ? : m->data;
1114	}
1115	else if( ic->acc->flags & ACC_FLAG_STATUS_MESSAGE )
1116	{
1117	away = NULL;
1118	msg = set_getstr( &ic->acc->set, "status" ) ?
1119	: set_getstr( &ic->irc->set, "status" );
1120	}
1121
1122	ic->acc->prpl->set_away( ic, away, msg );
1123
1124	return 1;
1125	}
1126
1127	static char *imc_away_alias_list[8][5] =
1128	{
1129	{ "Away from computer", "Away", "Extended away", NULL },
1130	{ "NA", "N/A", "Not available", NULL },
1131	{ "Busy", "Do not disturb", "DND", "Occupied", NULL },
1132	{ "Be right back", "BRB", NULL },
1133	{ "On the phone", "Phone", "On phone", NULL },
1134	{ "Out to lunch", "Lunch", "Food", NULL },
1135	{ "Invisible", "Hidden" },
1136	{ NULL }
1137	};
1138
1139	static char imc_away_state_find( GList gcm, char away, char *message )
1140	{
1141	GList *m;
1142	int i, j;
1143
1144	for( m = gcm; m; m = m->next )
1145	if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
1146	{
1147	/* At least the Yahoo! module works better if message
1148	contains no data unless it adds something to what
1149	we have in state already. */
1150	if( strlen( m->data ) == strlen( away ) )
1151	*message = NULL;
1152
1153	return m->data;
1154	}
1155
1156	for( i = 0; *imc_away_alias_list[i]; i ++ )
1157	{
1158	int keep_message;
1159
1160	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1161	if( g_strncasecmp( away, imc_away_alias_list[i][j], strlen( imc_away_alias_list[i][j] ) ) == 0 )
1162	{
1163	keep_message = strlen( away ) != strlen( imc_away_alias_list[i][j] );
1164	break;
1165	}
1166
1167	if( !imc_away_alias_list[i][j] ) /* If we reach the end, this row */
1168	continue; /* is not what we want. Next! */
1169
1170	/* Now find an entry in this row which exists in gcm */
1171	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1172	{
1173	for( m = gcm; m; m = m->next )
1174	if( g_strcasecmp( imc_away_alias_list[i][j], m->data ) == 0 )
1175	{
1176	if( !keep_message )
1177	*message = NULL;
1178
1179	return imc_away_alias_list[i][j];
1180	}
1181	}
1182
1183	/* No need to look further, apparently this state doesn't
1184	have any good alias for this protocol. */
1185	break;
1186	}
1187
1188	return NULL;
1189	}
1190
1191	void imc_add_allow( struct im_connection ic, char handle )
1192	{
1193	if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1194	{
1195	ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
1196	}
1197
1198	ic->acc->prpl->add_permit( ic, handle );
1199	}
1200
1201	void imc_rem_allow( struct im_connection ic, char handle )
1202	{
1203	GSList *l;
1204
1205	if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1206	{
1207	g_free( l->data );
1208	ic->permit = g_slist_delete_link( ic->permit, l );
1209	}
1210
1211	ic->acc->prpl->rem_permit( ic, handle );
1212	}
1213
1214	void imc_add_block( struct im_connection ic, char handle )
1215	{
1216	if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1217	{
1218	ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
1219	}
1220
1221	ic->acc->prpl->add_deny( ic, handle );
1222	}
1223
1224	void imc_rem_block( struct im_connection ic, char handle )
1225	{
1226	GSList *l;
1227
1228	if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1229	{
1230	g_free( l->data );
1231	ic->deny = g_slist_delete_link( ic->deny, l );
1232	}
1233
1234	ic->acc->prpl->rem_deny( ic, handle );
1235	}
1236
1237	void imcb_clean_handle( struct im_connection ic, char handle )
1238	{
1239	/* Accepts a handle and does whatever is necessary to make it
1240	BitlBee-friendly. Currently this means removing everything
1241	outside 33-127 (ASCII printable excl spaces), @ (only one
1242	is allowed) and ! and : */
1243	char out[strlen(handle)+1];
1244	int s, d;
1245
1246	s = d = 0;
1247	while( handle[s] )
1248	{
1249	if( handle[s] > ' ' && handle[s] != '!' && handle[s] != ':' &&
1250	( handle[s] & 0x80 ) == 0 )
1251	{
1252	if( handle[s] == '@' )
1253	{
1254	/* See if we got an @ already? */
1255	out[d] = 0;
1256	if( strchr( out, '@' ) )
1257	continue;
1258	}
1259
1260	out[d++] = handle[s];
1261	}
1262	s ++;
1263	}
1264	out[d] = handle[s];
1265
1266	strcpy( handle, out );
1267	}

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