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source: protocols/nogaim.c @ 7adc657

Last change on this file since 7adc657 was 31e5846, checked in by Wilmer van der Gaast <wilmer@…>, at 2008-01-20T00:17:57Z
Added imcb_chat_log() for chatroom system messages, so they can be displayed inside the right channel.
Property mode set to `100644`
File size: 27.3 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2006 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 "nogaim.h"
36	#include <ctype.h>
37
38	static int remove_chat_buddy_silent( struct groupchat b, const char handle );
39
40	GSList *connections;
41
42	#ifdef WITH_PLUGINS
43	gboolean load_plugin(char *path)
44	{
45	void (*init_function) (void);
46
47	GModule *mod = g_module_open(path, G_MODULE_BIND_LAZY);
48
49	if(!mod) {
50	log_message(LOGLVL_ERROR, "Can't find `%s', not loading (%s)\n", path, g_module_error());
51	return FALSE;
52	}
53
54	if(!g_module_symbol(mod,"init_plugin",(gpointer *) &init_function)) {
55	log_message(LOGLVL_WARNING, "Can't find function `init_plugin' in `%s'\n", path);
56	return FALSE;
57	}
58
59	init_function();
60
61	return TRUE;
62	}
63
64	void load_plugins(void)
65	{
66	GDir *dir;
67	GError *error = NULL;
68
69	dir = g_dir_open(global.conf->plugindir, 0, &error);
70
71	if (dir) {
72	const gchar *entry;
73	char *path;
74
75	while ((entry = g_dir_read_name(dir))) {
76	path = g_build_filename(global.conf->plugindir, entry, NULL);
77	if(!path) {
78	log_message(LOGLVL_WARNING, "Can't build path for %s\n", entry);
79	continue;
80	}
81
82	load_plugin(path);
83
84	g_free(path);
85	}
86
87	g_dir_close(dir);
88	}
89	}
90	#endif
91
92	/* nogaim.c */
93
94	GList *protocols = NULL;
95
96	void register_protocol (struct prpl *p)
97	{
98	protocols = g_list_append(protocols, p);
99	}
100
101	struct prpl find_protocol(const char name)
102	{
103	GList *gl;
104	for (gl = protocols; gl; gl = gl->next)
105	{
106	struct prpl *proto = gl->data;
107	if(!g_strcasecmp(proto->name, name))
108	return proto;
109	}
110	return NULL;
111	}
112
113	/* nogaim.c */
114	void nogaim_init()
115	{
116	extern void msn_initmodule();
117	extern void oscar_initmodule();
118	extern void byahoo_initmodule();
119	extern void jabber_initmodule();
120
121	#ifdef WITH_MSN
122	msn_initmodule();
123	#endif
124
125	#ifdef WITH_OSCAR
126	oscar_initmodule();
127	#endif
128
129	#ifdef WITH_YAHOO
130	byahoo_initmodule();
131	#endif
132
133	#ifdef WITH_JABBER
134	jabber_initmodule();
135	#endif
136
137	#ifdef WITH_PLUGINS
138	load_plugins();
139	#endif
140	}
141
142	GSList *get_connections() { return connections; }
143
144	/* multi.c */
145
146	struct im_connection imcb_new( account_t acc )
147	{
148	struct im_connection *ic;
149
150	ic = g_new0( struct im_connection, 1 );
151
152	ic->irc = acc->irc;
153	ic->acc = acc;
154	acc->ic = ic;
155
156	connections = g_slist_append( connections, ic );
157
158	return( ic );
159	}
160
161	void imc_free( struct im_connection *ic )
162	{
163	account_t *a;
164
165	/* Destroy the pointer to this connection from the account list */
166	for( a = ic->irc->accounts; a; a = a->next )
167	if( a->ic == ic )
168	{
169	a->ic = NULL;
170	break;
171	}
172
173	connections = g_slist_remove( connections, ic );
174	g_free( ic );
175	}
176
177	static void serv_got_crap( struct im_connection ic, char format, ... )
178	{
179	va_list params;
180	char *text;
181	account_t *a;
182
183	va_start( params, format );
184	text = g_strdup_vprintf( format, params );
185	va_end( params );
186
187	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
188	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
189	strip_html( text );
190
191	/* Try to find a different connection on the same protocol. */
192	for( a = ic->irc->accounts; a; a = a->next )
193	if( a->prpl == ic->acc->prpl && a->ic != ic )
194	break;
195
196	/* If we found one, include the screenname in the message. */
197	if( a )
198	irc_usermsg( ic->irc, "%s(%s) - %s", ic->acc->prpl->name, ic->acc->user, text );
199	else
200	irc_usermsg( ic->irc, "%s - %s", ic->acc->prpl->name, text );
201
202	g_free( text );
203	}
204
205	void imcb_log( struct im_connection ic, char format, ... )
206	{
207	va_list params;
208	char *text;
209
210	va_start( params, format );
211	text = g_strdup_vprintf( format, params );
212	va_end( params );
213
214	if( ic->flags & OPT_LOGGED_IN )
215	serv_got_crap( ic, "%s", text );
216	else
217	serv_got_crap( ic, "Logging in: %s", text );
218
219	g_free( text );
220	}
221
222	void imcb_error( struct im_connection ic, char format, ... )
223	{
224	va_list params;
225	char *text;
226
227	va_start( params, format );
228	text = g_strdup_vprintf( format, params );
229	va_end( params );
230
231	if( ic->flags & OPT_LOGGED_IN )
232	serv_got_crap( ic, "Error: %s", text );
233	else
234	serv_got_crap( ic, "Couldn't log in: %s", text );
235
236	g_free( text );
237	}
238
239	static gboolean send_keepalive( gpointer d, gint fd, b_input_condition cond )
240	{
241	struct im_connection *ic = d;
242
243	if( ic->acc->prpl->keepalive )
244	ic->acc->prpl->keepalive( ic );
245
246	return TRUE;
247	}
248
249	void imcb_connected( struct im_connection *ic )
250	{
251	user_t *u;
252
253	/* MSN servers sometimes redirect you to a different server and do
254	the whole login sequence again, so these "late" calls to this
255	function should be handled correctly. (IOW, ignored) */
256	if( ic->flags & OPT_LOGGED_IN )
257	return;
258
259	u = user_find( ic->irc, ic->irc->nick );
260
261	imcb_log( ic, "Logged in" );
262
263	ic->keepalive = b_timeout_add( 60000, send_keepalive, ic );
264	ic->flags \|= OPT_LOGGED_IN;
265
266	/* Also necessary when we're not away, at least for some of the
267	protocols. */
268	imc_set_away( ic, u->away );
269	}
270
271	gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond )
272	{
273	account_t *a = data;
274
275	a->reconnect = 0;
276	account_on( a->irc, a );
277
278	return( FALSE ); /* Only have to run the timeout once */
279	}
280
281	void cancel_auto_reconnect( account_t *a )
282	{
283	b_event_remove( a->reconnect );
284	a->reconnect = 0;
285	}
286
287	void imc_logout( struct im_connection *ic, int allow_reconnect )
288	{
289	irc_t *irc = ic->irc;
290	user_t t, u;
291	account_t *a;
292
293	/* Nested calls might happen sometimes, this is probably the best
294	place to catch them. */
295	if( ic->flags & OPT_LOGGING_OUT )
296	return;
297	else
298	ic->flags \|= OPT_LOGGING_OUT;
299
300	imcb_log( ic, "Signing off.." );
301
302	b_event_remove( ic->keepalive );
303	ic->keepalive = 0;
304	ic->acc->prpl->logout( ic );
305	b_event_remove( ic->inpa );
306
307	u = irc->users;
308	while( u )
309	{
310	if( u->ic == ic )
311	{
312	t = u->next;
313	user_del( irc, u->nick );
314	u = t;
315	}
316	else
317	u = u->next;
318	}
319
320	query_del_by_conn( ic->irc, ic );
321
322	for( a = irc->accounts; a; a = a->next )
323	if( a->ic == ic )
324	break;
325
326	if( !a )
327	{
328	/* Uhm... This is very sick. */
329	}
330	else if( allow_reconnect && set_getbool( &irc->set, "auto_reconnect" ) &&
331	set_getbool( &a->set, "auto_reconnect" ) )
332	{
333	int delay = set_getint( &irc->set, "auto_reconnect_delay" );
334
335	imcb_log( ic, "Reconnecting in %d seconds..", delay );
336	a->reconnect = b_timeout_add( delay * 1000, auto_reconnect, a );
337	}
338
339	imc_free( ic );
340	}
341
342
343	/* dialogs.c */
344
345	void imcb_ask( struct im_connection ic, char msg, void data, void doit, void *dont )
346	{
347	query_add( ic->irc, ic, msg, doit, dont, data );
348	}
349
350
351	/* list.c */
352
353	void imcb_add_buddy( struct im_connection ic, char handle, char *group )
354	{
355	user_t *u;
356	char nick[MAX_NICK_LENGTH+1], *s;
357	irc_t *irc = ic->irc;
358
359	if( user_findhandle( ic, handle ) )
360	{
361	if( set_getbool( &irc->set, "debug" ) )
362	imcb_log( ic, "User already exists, ignoring add request: %s", handle );
363
364	return;
365
366	/* Buddy seems to exist already. Let's ignore this request then...
367	Eventually subsequent calls to this function should be possible
368	when a buddy is in multiple groups. But for now BitlBee doesn't
369	even support groups so let's silently ignore this for now. */
370	}
371
372	memset( nick, 0, MAX_NICK_LENGTH + 1 );
373	strcpy( nick, nick_get( ic->acc, handle ) );
374
375	u = user_add( ic->irc, nick );
376
377	// if( !realname \|\| !*realname ) realname = nick;
378	// u->realname = g_strdup( realname );
379
380	if( ( s = strchr( handle, '@' ) ) )
381	{
382	u->host = g_strdup( s + 1 );
383	u->user = g_strndup( handle, s - handle );
384	}
385	else if( ic->acc->server )
386	{
387	u->host = g_strdup( ic->acc->server );
388	u->user = g_strdup( handle );
389
390	/* s/ /_/ ... important for AOL screennames */
391	for( s = u->user; *s; s ++ )
392	if( *s == ' ' )
393	*s = '_';
394	}
395	else
396	{
397	u->host = g_strdup( ic->acc->prpl->name );
398	u->user = g_strdup( handle );
399	}
400
401	u->ic = ic;
402	u->handle = g_strdup( handle );
403	if( group ) u->group = g_strdup( group );
404	u->send_handler = buddy_send_handler;
405	u->last_typing_notice = 0;
406	}
407
408	struct buddy imcb_find_buddy( struct im_connection ic, char *handle )
409	{
410	static struct buddy b[1];
411	user_t *u;
412
413	u = user_findhandle( ic, handle );
414
415	if( !u )
416	return( NULL );
417
418	memset( b, 0, sizeof( b ) );
419	strncpy( b->name, handle, 80 );
420	strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN );
421	b->present = u->online;
422	b->ic = u->ic;
423
424	return( b );
425	}
426
427	void imcb_rename_buddy( struct im_connection ic, char handle, char *realname )
428	{
429	user_t *u = user_findhandle( ic, handle );
430
431	if( !u \|\| !realname ) return;
432
433	if( g_strcasecmp( u->realname, realname ) != 0 )
434	{
435	if( u->realname != u->nick ) g_free( u->realname );
436
437	u->realname = g_strdup( realname );
438
439	if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) )
440	imcb_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname );
441	}
442	}
443
444	void imcb_remove_buddy( struct im_connection ic, char handle, char *group )
445	{
446	user_t *u;
447
448	if( ( u = user_findhandle( ic, handle ) ) )
449	user_del( ic->irc, u->nick );
450	}
451
452	/* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM
453	modules to suggest a nickname for a handle. */
454	void imcb_buddy_nick_hint( struct im_connection ic, char handle, char *nick )
455	{
456	user_t *u = user_findhandle( ic, handle );
457	char newnick[MAX_NICK_LENGTH+1], *orig_nick;
458
459	if( u && !u->online && !nick_saved( ic->acc, handle ) )
460	{
461	/* Only do this if the person isn't online yet (which should
462	be the case if we just added it) and if the user hasn't
463	assigned a nickname to this buddy already. */
464
465	strncpy( newnick, nick, MAX_NICK_LENGTH );
466	newnick[MAX_NICK_LENGTH] = 0;
467
468	/* Some processing to make sure this string is a valid IRC nickname. */
469	nick_strip( newnick );
470	if( set_getbool( &ic->irc->set, "lcnicks" ) )
471	nick_lc( newnick );
472
473	if( strcmp( u->nick, newnick ) != 0 )
474	{
475	/* Only do this if newnick is different from the current one.
476	If rejoining a channel, maybe we got this nick already
477	(and dedupe would only add an underscore. */
478	nick_dedupe( ic->acc, handle, newnick );
479
480	/* u->nick will be freed halfway the process, so it can't be
481	passed as an argument. */
482	orig_nick = g_strdup( u->nick );
483	user_rename( ic->irc, orig_nick, newnick );
484	g_free( orig_nick );
485	}
486	}
487	}
488
489	/* prpl.c */
490
491	struct show_got_added_data
492	{
493	struct im_connection *ic;
494	char *handle;
495	};
496
497	void show_got_added_no( gpointer w, struct show_got_added_data *data )
498	{
499	g_free( data->handle );
500	g_free( data );
501	}
502
503	void show_got_added_yes( gpointer w, struct show_got_added_data *data )
504	{
505	data->ic->acc->prpl->add_buddy( data->ic, data->handle, NULL );
506	/* imcb_add_buddy( data->ic, NULL, data->handle, data->handle ); */
507
508	return show_got_added_no( w, data );
509	}
510
511	void imcb_ask_add( struct im_connection ic, char handle, const char *realname )
512	{
513	struct show_got_added_data *data = g_new0( struct show_got_added_data, 1 );
514	char *s;
515
516	/* TODO: Make a setting for this! */
517	if( user_findhandle( ic, handle ) != NULL )
518	return;
519
520	s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
521
522	data->ic = ic;
523	data->handle = g_strdup( handle );
524	query_add( ic->irc, ic, s, show_got_added_yes, show_got_added_no, data );
525	}
526
527
528	/* server.c */
529
530	void imcb_buddy_status( struct im_connection ic, const char handle, int flags, const char state, const char message )
531	{
532	user_t *u;
533	int oa, oo;
534
535	u = user_findhandle( ic, (char*) handle );
536
537	if( !u )
538	{
539	if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 )
540	{
541	imcb_add_buddy( ic, (char*) handle, NULL );
542	u = user_findhandle( ic, (char*) handle );
543	}
544	else
545	{
546	if( set_getbool( &ic->irc->set, "debug" ) \|\| g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 )
547	{
548	imcb_log( ic, "imcb_buddy_status() for unknown handle %s:", handle );
549	imcb_log( ic, "flags = %d, state = %s, message = %s", flags,
550	state ? state : "NULL", message ? message : "NULL" );
551	}
552
553	return;
554	}
555	}
556
557	oa = u->away != NULL;
558	oo = u->online;
559
560	if( u->away )
561	{
562	g_free( u->away );
563	u->away = NULL;
564	}
565
566	if( ( flags & OPT_LOGGED_IN ) && !u->online )
567	{
568	irc_spawn( ic->irc, u );
569	u->online = 1;
570	}
571	else if( !( flags & OPT_LOGGED_IN ) && u->online )
572	{
573	struct groupchat *c;
574
575	irc_kill( ic->irc, u );
576	u->online = 0;
577
578	/* Remove him/her from the groupchats to prevent PART messages after he/she QUIT already */
579	for( c = ic->groupchats; c; c = c->next )
580	remove_chat_buddy_silent( c, handle );
581	}
582
583	if( flags & OPT_AWAY )
584	{
585	if( state && message )
586	{
587	u->away = g_strdup_printf( "%s (%s)", state, message );
588	}
589	else if( state )
590	{
591	u->away = g_strdup( state );
592	}
593	else if( message )
594	{
595	u->away = g_strdup( message );
596	}
597	else
598	{
599	u->away = g_strdup( "Away" );
600	}
601	}
602	/* else waste_any_state_information_for_now(); */
603
604	/* LISPy... */
605	if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */
606	( u->online ) && /* Don't touch offline people */
607	( ( ( u->online != oo ) && !u->away ) \|\| /* Voice joining people */
608	( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */
609	{
610	char *from;
611
612	if( set_getbool( &ic->irc->set, "simulate_netsplit" ) )
613	{
614	from = g_strdup( ic->irc->myhost );
615	}
616	else
617	{
618	from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick,
619	ic->irc->myhost );
620	}
621	irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel,
622	u->away?'-':'+', u->nick );
623	g_free( from );
624	}
625	}
626
627	void imcb_buddy_msg( struct im_connection ic, char handle, char *msg, uint32_t flags, time_t sent_at )
628	{
629	irc_t *irc = ic->irc;
630	char *wrapped;
631	user_t *u;
632
633	u = user_findhandle( ic, handle );
634
635	if( !u )
636	{
637	char *h = set_getstr( &irc->set, "handle_unknown" );
638
639	if( g_strcasecmp( h, "ignore" ) == 0 )
640	{
641	if( set_getbool( &irc->set, "debug" ) )
642	imcb_log( ic, "Ignoring message from unknown handle %s", handle );
643
644	return;
645	}
646	else if( g_strncasecmp( h, "add", 3 ) == 0 )
647	{
648	int private = set_getbool( &irc->set, "private" );
649
650	if( h[3] )
651	{
652	if( g_strcasecmp( h + 3, "_private" ) == 0 )
653	private = 1;
654	else if( g_strcasecmp( h + 3, "_channel" ) == 0 )
655	private = 0;
656	}
657
658	imcb_add_buddy( ic, handle, NULL );
659	u = user_findhandle( ic, handle );
660	u->is_private = private;
661	}
662	else
663	{
664	imcb_log( ic, "Message from unknown handle %s:", handle );
665	u = user_find( irc, irc->mynick );
666	}
667	}
668
669	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
670	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
671	strip_html( msg );
672
673	wrapped = word_wrap( msg, 425 );
674	irc_msgfrom( irc, u->nick, wrapped );
675	g_free( wrapped );
676	}
677
678	void imcb_buddy_typing( struct im_connection ic, char handle, uint32_t flags )
679	{
680	user_t *u;
681
682	if( !set_getbool( &ic->irc->set, "typing_notice" ) )
683	return;
684
685	if( ( u = user_findhandle( ic, handle ) ) )
686	{
687	char buf[256];
688
689	g_snprintf( buf, 256, "\1TYPING %d\1", ( flags >> 8 ) & 3 );
690	irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf );
691	}
692	}
693
694	struct groupchat imcb_chat_new( struct im_connection ic, char *handle )
695	{
696	struct groupchat *c;
697
698	/* This one just creates the conversation structure, user won't see anything yet */
699
700	if( ic->groupchats )
701	{
702	for( c = ic->groupchats; c->next; c = c->next );
703	c = c->next = g_new0( struct groupchat, 1 );
704	}
705	else
706	ic->groupchats = c = g_new0( struct groupchat, 1 );
707
708	c->ic = ic;
709	c->title = g_strdup( handle );
710	c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ );
711	c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
712
713	if( set_getbool( &ic->irc->set, "debug" ) )
714	imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle );
715
716	return c;
717	}
718
719	void imcb_chat_free( struct groupchat *c )
720	{
721	struct im_connection *ic = c->ic;
722	struct groupchat *l;
723	GList *ir;
724
725	if( set_getbool( &ic->irc->set, "debug" ) )
726	imcb_log( ic, "You were removed from conversation %p", c );
727
728	if( c )
729	{
730	if( c->joined )
731	{
732	user_t u, r;
733
734	r = user_find( ic->irc, ic->irc->mynick );
735	irc_privmsg( ic->irc, r, "PRIVMSG", c->channel, "", "Cleaning up channel, bye!" );
736
737	u = user_find( ic->irc, ic->irc->nick );
738	irc_kick( ic->irc, u, c->channel, r );
739	/* irc_part( ic->irc, u, c->channel ); */
740	}
741
742	/* Find the previous chat in the linked list. */
743	for( l = ic->groupchats; l && l->next != c; l = l->next );
744
745	if( l )
746	l->next = c->next;
747	else
748	ic->groupchats = c->next;
749
750	for( ir = c->in_room; ir; ir = ir->next )
751	g_free( ir->data );
752	g_list_free( c->in_room );
753	g_free( c->channel );
754	g_free( c->title );
755	g_free( c->topic );
756	g_free( c );
757	}
758	}
759
760	void imcb_chat_msg( struct groupchat c, char who, char *msg, uint32_t flags, time_t sent_at )
761	{
762	struct im_connection *ic = c->ic;
763	char *wrapped;
764	user_t *u;
765
766	/* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
767	if( g_strcasecmp( who, ic->acc->user ) == 0 )
768	return;
769
770	u = user_findhandle( ic, who );
771
772	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
773	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
774	strip_html( msg );
775
776	wrapped = word_wrap( msg, 425 );
777	if( c && u )
778	{
779	irc_privmsg( ic->irc, u, "PRIVMSG", c->channel, "", wrapped );
780	}
781	else
782	{
783	imcb_log( ic, "Message from/to conversation %s@%p (unknown conv/user): %s", who, c, wrapped );
784	}
785	g_free( wrapped );
786	}
787
788	void imcb_chat_log( struct groupchat c, char format, ... )
789	{
790	irc_t *irc = c->ic->irc;
791	va_list params;
792	char *text;
793	user_t *u;
794
795	va_start( params, format );
796	text = g_strdup_vprintf( format, params );
797	va_end( params );
798
799	u = user_find( irc, irc->mynick );
800
801	irc_privmsg( irc, u, "PRIVMSG", c->channel, "System message: ", text );
802
803	g_free( text );
804	}
805
806	void imcb_chat_topic( struct groupchat c, char who, char *topic, time_t set_at )
807	{
808	struct im_connection *ic = c->ic;
809	user_t *u = NULL;
810
811	if( who == NULL)
812	u = user_find( ic->irc, ic->irc->mynick );
813	else if( g_strcasecmp( who, ic->acc->user ) == 0 )
814	u = user_find( ic->irc, ic->irc->nick );
815	else
816	u = user_findhandle( ic, who );
817
818	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
819	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
820	strip_html( topic );
821
822	g_free( c->topic );
823	c->topic = g_strdup( topic );
824
825	if( c->joined && u )
826	irc_write( ic->irc, ":%s!%s@%s TOPIC %s :%s", u->nick, u->user, u->host, c->channel, topic );
827	}
828
829
830	/* buddy_chat.c */
831
832	void imcb_chat_add_buddy( struct groupchat b, char handle )
833	{
834	user_t *u = user_findhandle( b->ic, handle );
835	int me = 0;
836
837	if( set_getbool( &b->ic->irc->set, "debug" ) )
838	imcb_log( b->ic, "User %s added to conversation %p", handle, b );
839
840	/* It might be yourself! */
841	if( b->ic->acc->prpl->handle_cmp( handle, b->ic->acc->user ) == 0 )
842	{
843	u = user_find( b->ic->irc, b->ic->irc->nick );
844	if( !b->joined )
845	irc_join( b->ic->irc, u, b->channel );
846	b->joined = me = 1;
847	}
848
849	/* Most protocols allow people to join, even when they're not in
850	your contact list. Try to handle that here */
851	if( !u )
852	{
853	imcb_add_buddy( b->ic, handle, NULL );
854	u = user_findhandle( b->ic, handle );
855	}
856
857	/* Add the handle to the room userlist, if it's not 'me' */
858	if( !me )
859	{
860	if( b->joined )
861	irc_join( b->ic->irc, u, b->channel );
862	b->in_room = g_list_append( b->in_room, g_strdup( handle ) );
863	}
864	}
865
866	/* This function is one BIG hack... :-( EREWRITE */
867	void imcb_chat_remove_buddy( struct groupchat b, char handle, char *reason )
868	{
869	user_t *u;
870	int me = 0;
871
872	if( set_getbool( &b->ic->irc->set, "debug" ) )
873	imcb_log( b->ic, "User %s removed from conversation %p (%s)", handle, b, reason ? reason : "" );
874
875	/* It might be yourself! */
876	if( g_strcasecmp( handle, b->ic->acc->user ) == 0 )
877	{
878	if( b->joined == 0 )
879	return;
880
881	u = user_find( b->ic->irc, b->ic->irc->nick );
882	b->joined = 0;
883	me = 1;
884	}
885	else
886	{
887	u = user_findhandle( b->ic, handle );
888	}
889
890	if( me \|\| ( remove_chat_buddy_silent( b, handle ) && b->joined && u ) )
891	irc_part( b->ic->irc, u, b->channel );
892	}
893
894	static int remove_chat_buddy_silent( struct groupchat b, const char handle )
895	{
896	GList *i;
897
898	/* Find the handle in the room userlist and shoot it */
899	i = b->in_room;
900	while( i )
901	{
902	if( g_strcasecmp( handle, i->data ) == 0 )
903	{
904	g_free( i->data );
905	b->in_room = g_list_remove( b->in_room, i->data );
906	return( 1 );
907	}
908
909	i = i->next;
910	}
911
912	return( 0 );
913	}
914
915
916	/* Misc. BitlBee stuff which shouldn't really be here */
917
918	char set_eval_away_devoice( set_t set, char *value )
919	{
920	irc_t *irc = set->data;
921	int st;
922
923	if( ( g_strcasecmp( value, "true" ) == 0 ) \|\| ( g_strcasecmp( value, "yes" ) == 0 ) \|\| ( g_strcasecmp( value, "on" ) == 0 ) )
924	st = 1;
925	else if( ( g_strcasecmp( value, "false" ) == 0 ) \|\| ( g_strcasecmp( value, "no" ) == 0 ) \|\| ( g_strcasecmp( value, "off" ) == 0 ) )
926	st = 0;
927	else if( sscanf( value, "%d", &st ) != 1 )
928	return( NULL );
929
930	st = st != 0;
931
932	/* Horror.... */
933
934	if( st != set_getbool( &irc->set, "away_devoice" ) )
935	{
936	char list[80] = "";
937	user_t *u = irc->users;
938	int i = 0, count = 0;
939	char pm;
940	char v[80];
941
942	if( st )
943	pm = '+';
944	else
945	pm = '-';
946
947	while( u )
948	{
949	if( u->ic && u->online && !u->away )
950	{
951	if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
952	{
953	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
954	irc_write( irc, ":%s MODE %s %c%s%s",
955	irc->myhost,
956	irc->channel, pm, v, list );
957
958	*list = 0;
959	count = 0;
960	}
961
962	sprintf( list + strlen( list ), " %s", u->nick );
963	count ++;
964	}
965	u = u->next;
966	}
967
968	/* $v = 'v' x $i */
969	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
970	irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
971	irc->channel, pm, v, list );
972	}
973
974	return( set_eval_bool( set, value ) );
975	}
976
977
978
979
980	/* The plan is to not allow straight calls to prpl functions anymore, but do
981	them all from some wrappers. We'll start to define some down here: */
982
983	int imc_buddy_msg( struct im_connection ic, char handle, char *msg, int flags )
984	{
985	char *buf = NULL;
986	int st;
987
988	if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
989	{
990	buf = escape_html( msg );
991	msg = buf;
992	}
993
994	st = ic->acc->prpl->buddy_msg( ic, handle, msg, flags );
995	g_free( buf );
996
997	return st;
998	}
999
1000	int imc_chat_msg( struct groupchat c, char msg, int flags )
1001	{
1002	char *buf = NULL;
1003
1004	if( ( c->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1005	{
1006	buf = escape_html( msg );
1007	msg = buf;
1008	}
1009
1010	c->ic->acc->prpl->chat_msg( c, msg, flags );
1011	g_free( buf );
1012
1013	return 1;
1014	}
1015
1016	static char imc_away_alias_find( GList gcm, char *away );
1017
1018	int imc_set_away( struct im_connection ic, char away )
1019	{
1020	GList m, ms;
1021	char *s;
1022
1023	if( !away ) away = "";
1024	ms = m = ic->acc->prpl->away_states( ic );
1025
1026	while( m )
1027	{
1028	if( *away )
1029	{
1030	if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
1031	break;
1032	}
1033	else
1034	{
1035	if( g_strcasecmp( m->data, "Available" ) == 0 )
1036	break;
1037	if( g_strcasecmp( m->data, "Online" ) == 0 )
1038	break;
1039	}
1040	m = m->next;
1041	}
1042
1043	if( m )
1044	{
1045	ic->acc->prpl->set_away( ic, m->data, *away ? away : NULL );
1046	}
1047	else
1048	{
1049	s = imc_away_alias_find( ms, away );
1050	if( s )
1051	{
1052	ic->acc->prpl->set_away( ic, s, away );
1053	if( set_getbool( &ic->irc->set, "debug" ) )
1054	imcb_log( ic, "Setting away state to %s", s );
1055	}
1056	else
1057	ic->acc->prpl->set_away( ic, GAIM_AWAY_CUSTOM, away );
1058	}
1059
1060	return( 1 );
1061	}
1062
1063	static char *imc_away_alias_list[8][5] =
1064	{
1065	{ "Away from computer", "Away", "Extended away", NULL },
1066	{ "NA", "N/A", "Not available", NULL },
1067	{ "Busy", "Do not disturb", "DND", "Occupied", NULL },
1068	{ "Be right back", "BRB", NULL },
1069	{ "On the phone", "Phone", "On phone", NULL },
1070	{ "Out to lunch", "Lunch", "Food", NULL },
1071	{ "Invisible", "Hidden" },
1072	{ NULL }
1073	};
1074
1075	static char imc_away_alias_find( GList gcm, char *away )
1076	{
1077	GList *m;
1078	int i, j;
1079
1080	for( i = 0; *imc_away_alias_list[i]; i ++ )
1081	{
1082	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1083	if( g_strncasecmp( away, imc_away_alias_list[i][j], strlen( imc_away_alias_list[i][j] ) ) == 0 )
1084	break;
1085
1086	if( !imc_away_alias_list[i][j] ) /* If we reach the end, this row */
1087	continue; /* is not what we want. Next! */
1088
1089	/* Now find an entry in this row which exists in gcm */
1090	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1091	{
1092	m = gcm;
1093	while( m )
1094	{
1095	if( g_strcasecmp( imc_away_alias_list[i][j], m->data ) == 0 )
1096	return( imc_away_alias_list[i][j] );
1097	m = m->next;
1098	}
1099	}
1100	}
1101
1102	return( NULL );
1103	}
1104
1105	void imc_add_allow( struct im_connection ic, char handle )
1106	{
1107	if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1108	{
1109	ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
1110	}
1111
1112	ic->acc->prpl->add_permit( ic, handle );
1113	}
1114
1115	void imc_rem_allow( struct im_connection ic, char handle )
1116	{
1117	GSList *l;
1118
1119	if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1120	{
1121	g_free( l->data );
1122	ic->permit = g_slist_delete_link( ic->permit, l );
1123	}
1124
1125	ic->acc->prpl->rem_permit( ic, handle );
1126	}
1127
1128	void imc_add_block( struct im_connection ic, char handle )
1129	{
1130	if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1131	{
1132	ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
1133	}
1134
1135	ic->acc->prpl->add_deny( ic, handle );
1136	}
1137
1138	void imc_rem_block( struct im_connection ic, char handle )
1139	{
1140	GSList *l;
1141
1142	if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1143	{
1144	g_free( l->data );
1145	ic->deny = g_slist_delete_link( ic->deny, l );
1146	}
1147
1148	ic->acc->prpl->rem_deny( ic, handle );
1149	}
1150
1151	void imcb_clean_handle( struct im_connection ic, char handle )
1152	{
1153	/* Accepts a handle and does whatever is necessary to make it
1154	BitlBee-friendly. Currently this means removing everything
1155	outside 33-127 (ASCII printable excl spaces), @ (only one
1156	is allowed) and ! and : */
1157	char out[strlen(handle)+1];
1158	int s, d;
1159
1160	s = d = 0;
1161	while( handle[s] )
1162	{
1163	if( handle[s] > ' ' && handle[s] != '!' && handle[s] != ':' &&
1164	( handle[s] & 0x80 ) == 0 )
1165	{
1166	if( handle[s] == '@' )
1167	{
1168	/* See if we got an @ already? */
1169	out[d] = 0;
1170	if( strchr( out, '@' ) )
1171	continue;
1172	}
1173
1174	out[d++] = handle[s];
1175	}
1176	s ++;
1177	}
1178	out[d] = handle[s];
1179
1180	strcpy( handle, out );
1181	}

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