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source: protocols/nogaim.c @ b6cd9e9

Last change on this file since b6cd9e9 was 9143aeb, checked in by Wilmer van der Gaast <wilmer@…>, at 2008-04-05T12:26:04Z
query.h now defines a callback function type, not using void* for it anymore. Got rid of the bogus window handler pointer as the first argument to the callback.
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,
346	query_callback doit, query_callback dont )
347	{
348	query_add( ic->irc, ic, msg, doit, dont, data );
349	}
350
351
352	/* list.c */
353
354	void imcb_add_buddy( struct im_connection ic, char handle, char *group )
355	{
356	user_t *u;
357	char nick[MAX_NICK_LENGTH+1], *s;
358	irc_t *irc = ic->irc;
359
360	if( user_findhandle( ic, handle ) )
361	{
362	if( set_getbool( &irc->set, "debug" ) )
363	imcb_log( ic, "User already exists, ignoring add request: %s", handle );
364
365	return;
366
367	/* Buddy seems to exist already. Let's ignore this request then...
368	Eventually subsequent calls to this function should be possible
369	when a buddy is in multiple groups. But for now BitlBee doesn't
370	even support groups so let's silently ignore this for now. */
371	}
372
373	memset( nick, 0, MAX_NICK_LENGTH + 1 );
374	strcpy( nick, nick_get( ic->acc, handle ) );
375
376	u = user_add( ic->irc, nick );
377
378	// if( !realname \|\| !*realname ) realname = nick;
379	// u->realname = g_strdup( realname );
380
381	if( ( s = strchr( handle, '@' ) ) )
382	{
383	u->host = g_strdup( s + 1 );
384	u->user = g_strndup( handle, s - handle );
385	}
386	else if( ic->acc->server )
387	{
388	u->host = g_strdup( ic->acc->server );
389	u->user = g_strdup( handle );
390
391	/* s/ /_/ ... important for AOL screennames */
392	for( s = u->user; *s; s ++ )
393	if( *s == ' ' )
394	*s = '_';
395	}
396	else
397	{
398	u->host = g_strdup( ic->acc->prpl->name );
399	u->user = g_strdup( handle );
400	}
401
402	u->ic = ic;
403	u->handle = g_strdup( handle );
404	if( group ) u->group = g_strdup( group );
405	u->send_handler = buddy_send_handler;
406	u->last_typing_notice = 0;
407	}
408
409	struct buddy imcb_find_buddy( struct im_connection ic, char *handle )
410	{
411	static struct buddy b[1];
412	user_t *u;
413
414	u = user_findhandle( ic, handle );
415
416	if( !u )
417	return( NULL );
418
419	memset( b, 0, sizeof( b ) );
420	strncpy( b->name, handle, 80 );
421	strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN );
422	b->present = u->online;
423	b->ic = u->ic;
424
425	return( b );
426	}
427
428	void imcb_rename_buddy( struct im_connection ic, char handle, char *realname )
429	{
430	user_t *u = user_findhandle( ic, handle );
431
432	if( !u \|\| !realname ) return;
433
434	if( g_strcasecmp( u->realname, realname ) != 0 )
435	{
436	if( u->realname != u->nick ) g_free( u->realname );
437
438	u->realname = g_strdup( realname );
439
440	if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) )
441	imcb_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname );
442	}
443	}
444
445	void imcb_remove_buddy( struct im_connection ic, char handle, char *group )
446	{
447	user_t *u;
448
449	if( ( u = user_findhandle( ic, handle ) ) )
450	user_del( ic->irc, u->nick );
451	}
452
453	/* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM
454	modules to suggest a nickname for a handle. */
455	void imcb_buddy_nick_hint( struct im_connection ic, char handle, char *nick )
456	{
457	user_t *u = user_findhandle( ic, handle );
458	char newnick[MAX_NICK_LENGTH+1], *orig_nick;
459
460	if( u && !u->online && !nick_saved( ic->acc, handle ) )
461	{
462	/* Only do this if the person isn't online yet (which should
463	be the case if we just added it) and if the user hasn't
464	assigned a nickname to this buddy already. */
465
466	strncpy( newnick, nick, MAX_NICK_LENGTH );
467	newnick[MAX_NICK_LENGTH] = 0;
468
469	/* Some processing to make sure this string is a valid IRC nickname. */
470	nick_strip( newnick );
471	if( set_getbool( &ic->irc->set, "lcnicks" ) )
472	nick_lc( newnick );
473
474	if( strcmp( u->nick, newnick ) != 0 )
475	{
476	/* Only do this if newnick is different from the current one.
477	If rejoining a channel, maybe we got this nick already
478	(and dedupe would only add an underscore. */
479	nick_dedupe( ic->acc, handle, newnick );
480
481	/* u->nick will be freed halfway the process, so it can't be
482	passed as an argument. */
483	orig_nick = g_strdup( u->nick );
484	user_rename( ic->irc, orig_nick, newnick );
485	g_free( orig_nick );
486	}
487	}
488	}
489
490	/* prpl.c */
491
492	struct show_got_added_data
493	{
494	struct im_connection *ic;
495	char *handle;
496	};
497
498	void show_got_added_no( void *data )
499	{
500	g_free( ((struct show_got_added_data*)data)->handle );
501	g_free( data );
502	}
503
504	void show_got_added_yes( void *data )
505	{
506	struct show_got_added_data *sga = data;
507
508	sga->ic->acc->prpl->add_buddy( sga->ic, sga->handle, NULL );
509	/* imcb_add_buddy( sga->ic, NULL, sga->handle, sga->handle ); */
510
511	return show_got_added_no( data );
512	}
513
514	void imcb_ask_add( struct im_connection ic, char handle, const char *realname )
515	{
516	struct show_got_added_data *data = g_new0( struct show_got_added_data, 1 );
517	char *s;
518
519	/* TODO: Make a setting for this! */
520	if( user_findhandle( ic, handle ) != NULL )
521	return;
522
523	s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
524
525	data->ic = ic;
526	data->handle = g_strdup( handle );
527	query_add( ic->irc, ic, s, show_got_added_yes, show_got_added_no, data );
528	}
529
530
531	/* server.c */
532
533	void imcb_buddy_status( struct im_connection ic, const char handle, int flags, const char state, const char message )
534	{
535	user_t *u;
536	int oa, oo;
537
538	u = user_findhandle( ic, (char*) handle );
539
540	if( !u )
541	{
542	if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 )
543	{
544	imcb_add_buddy( ic, (char*) handle, NULL );
545	u = user_findhandle( ic, (char*) handle );
546	}
547	else
548	{
549	if( set_getbool( &ic->irc->set, "debug" ) \|\| g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 )
550	{
551	imcb_log( ic, "imcb_buddy_status() for unknown handle %s:", handle );
552	imcb_log( ic, "flags = %d, state = %s, message = %s", flags,
553	state ? state : "NULL", message ? message : "NULL" );
554	}
555
556	return;
557	}
558	}
559
560	oa = u->away != NULL;
561	oo = u->online;
562
563	if( u->away )
564	{
565	g_free( u->away );
566	u->away = NULL;
567	}
568
569	if( ( flags & OPT_LOGGED_IN ) && !u->online )
570	{
571	irc_spawn( ic->irc, u );
572	u->online = 1;
573	}
574	else if( !( flags & OPT_LOGGED_IN ) && u->online )
575	{
576	struct groupchat *c;
577
578	irc_kill( ic->irc, u );
579	u->online = 0;
580
581	/* Remove him/her from the groupchats to prevent PART messages after he/she QUIT already */
582	for( c = ic->groupchats; c; c = c->next )
583	remove_chat_buddy_silent( c, handle );
584	}
585
586	if( flags & OPT_AWAY )
587	{
588	if( state && message )
589	{
590	u->away = g_strdup_printf( "%s (%s)", state, message );
591	}
592	else if( state )
593	{
594	u->away = g_strdup( state );
595	}
596	else if( message )
597	{
598	u->away = g_strdup( message );
599	}
600	else
601	{
602	u->away = g_strdup( "Away" );
603	}
604	}
605	/* else waste_any_state_information_for_now(); */
606
607	/* LISPy... */
608	if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */
609	( u->online ) && /* Don't touch offline people */
610	( ( ( u->online != oo ) && !u->away ) \|\| /* Voice joining people */
611	( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */
612	{
613	char *from;
614
615	if( set_getbool( &ic->irc->set, "simulate_netsplit" ) )
616	{
617	from = g_strdup( ic->irc->myhost );
618	}
619	else
620	{
621	from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick,
622	ic->irc->myhost );
623	}
624	irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel,
625	u->away?'-':'+', u->nick );
626	g_free( from );
627	}
628	}
629
630	void imcb_buddy_msg( struct im_connection ic, char handle, char *msg, uint32_t flags, time_t sent_at )
631	{
632	irc_t *irc = ic->irc;
633	char *wrapped;
634	user_t *u;
635
636	u = user_findhandle( ic, handle );
637
638	if( !u )
639	{
640	char *h = set_getstr( &irc->set, "handle_unknown" );
641
642	if( g_strcasecmp( h, "ignore" ) == 0 )
643	{
644	if( set_getbool( &irc->set, "debug" ) )
645	imcb_log( ic, "Ignoring message from unknown handle %s", handle );
646
647	return;
648	}
649	else if( g_strncasecmp( h, "add", 3 ) == 0 )
650	{
651	int private = set_getbool( &irc->set, "private" );
652
653	if( h[3] )
654	{
655	if( g_strcasecmp( h + 3, "_private" ) == 0 )
656	private = 1;
657	else if( g_strcasecmp( h + 3, "_channel" ) == 0 )
658	private = 0;
659	}
660
661	imcb_add_buddy( ic, handle, NULL );
662	u = user_findhandle( ic, handle );
663	u->is_private = private;
664	}
665	else
666	{
667	imcb_log( ic, "Message from unknown handle %s:", handle );
668	u = user_find( irc, irc->mynick );
669	}
670	}
671
672	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
673	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
674	strip_html( msg );
675
676	wrapped = word_wrap( msg, 425 );
677	irc_msgfrom( irc, u->nick, wrapped );
678	g_free( wrapped );
679	}
680
681	void imcb_buddy_typing( struct im_connection ic, char handle, uint32_t flags )
682	{
683	user_t *u;
684
685	if( !set_getbool( &ic->irc->set, "typing_notice" ) )
686	return;
687
688	if( ( u = user_findhandle( ic, handle ) ) )
689	{
690	char buf[256];
691
692	g_snprintf( buf, 256, "\1TYPING %d\1", ( flags >> 8 ) & 3 );
693	irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf );
694	}
695	}
696
697	struct groupchat imcb_chat_new( struct im_connection ic, char *handle )
698	{
699	struct groupchat *c;
700
701	/* This one just creates the conversation structure, user won't see anything yet */
702
703	if( ic->groupchats )
704	{
705	for( c = ic->groupchats; c->next; c = c->next );
706	c = c->next = g_new0( struct groupchat, 1 );
707	}
708	else
709	ic->groupchats = c = g_new0( struct groupchat, 1 );
710
711	c->ic = ic;
712	c->title = g_strdup( handle );
713	c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ );
714	c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
715
716	if( set_getbool( &ic->irc->set, "debug" ) )
717	imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle );
718
719	return c;
720	}
721
722	void imcb_chat_free( struct groupchat *c )
723	{
724	struct im_connection *ic = c->ic;
725	struct groupchat *l;
726	GList *ir;
727
728	if( set_getbool( &ic->irc->set, "debug" ) )
729	imcb_log( ic, "You were removed from conversation %p", c );
730
731	if( c )
732	{
733	if( c->joined )
734	{
735	user_t u, r;
736
737	r = user_find( ic->irc, ic->irc->mynick );
738	irc_privmsg( ic->irc, r, "PRIVMSG", c->channel, "", "Cleaning up channel, bye!" );
739
740	u = user_find( ic->irc, ic->irc->nick );
741	irc_kick( ic->irc, u, c->channel, r );
742	/* irc_part( ic->irc, u, c->channel ); */
743	}
744
745	/* Find the previous chat in the linked list. */
746	for( l = ic->groupchats; l && l->next != c; l = l->next );
747
748	if( l )
749	l->next = c->next;
750	else
751	ic->groupchats = c->next;
752
753	for( ir = c->in_room; ir; ir = ir->next )
754	g_free( ir->data );
755	g_list_free( c->in_room );
756	g_free( c->channel );
757	g_free( c->title );
758	g_free( c->topic );
759	g_free( c );
760	}
761	}
762
763	void imcb_chat_msg( struct groupchat c, char who, char *msg, uint32_t flags, time_t sent_at )
764	{
765	struct im_connection *ic = c->ic;
766	char *wrapped;
767	user_t *u;
768
769	/* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
770	if( g_strcasecmp( who, ic->acc->user ) == 0 )
771	return;
772
773	u = user_findhandle( ic, who );
774
775	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
776	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
777	strip_html( msg );
778
779	wrapped = word_wrap( msg, 425 );
780	if( c && u )
781	{
782	irc_privmsg( ic->irc, u, "PRIVMSG", c->channel, "", wrapped );
783	}
784	else
785	{
786	imcb_log( ic, "Message from/to conversation %s@%p (unknown conv/user): %s", who, c, wrapped );
787	}
788	g_free( wrapped );
789	}
790
791	void imcb_chat_log( struct groupchat c, char format, ... )
792	{
793	irc_t *irc = c->ic->irc;
794	va_list params;
795	char *text;
796	user_t *u;
797
798	va_start( params, format );
799	text = g_strdup_vprintf( format, params );
800	va_end( params );
801
802	u = user_find( irc, irc->mynick );
803
804	irc_privmsg( irc, u, "PRIVMSG", c->channel, "System message: ", text );
805
806	g_free( text );
807	}
808
809	void imcb_chat_topic( struct groupchat c, char who, char *topic, time_t set_at )
810	{
811	struct im_connection *ic = c->ic;
812	user_t *u = NULL;
813
814	if( who == NULL)
815	u = user_find( ic->irc, ic->irc->mynick );
816	else if( g_strcasecmp( who, ic->acc->user ) == 0 )
817	u = user_find( ic->irc, ic->irc->nick );
818	else
819	u = user_findhandle( ic, who );
820
821	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
822	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
823	strip_html( topic );
824
825	g_free( c->topic );
826	c->topic = g_strdup( topic );
827
828	if( c->joined && u )
829	irc_write( ic->irc, ":%s!%s@%s TOPIC %s :%s", u->nick, u->user, u->host, c->channel, topic );
830	}
831
832
833	/* buddy_chat.c */
834
835	void imcb_chat_add_buddy( struct groupchat b, char handle )
836	{
837	user_t *u = user_findhandle( b->ic, handle );
838	int me = 0;
839
840	if( set_getbool( &b->ic->irc->set, "debug" ) )
841	imcb_log( b->ic, "User %s added to conversation %p", handle, b );
842
843	/* It might be yourself! */
844	if( b->ic->acc->prpl->handle_cmp( handle, b->ic->acc->user ) == 0 )
845	{
846	u = user_find( b->ic->irc, b->ic->irc->nick );
847	if( !b->joined )
848	irc_join( b->ic->irc, u, b->channel );
849	b->joined = me = 1;
850	}
851
852	/* Most protocols allow people to join, even when they're not in
853	your contact list. Try to handle that here */
854	if( !u )
855	{
856	imcb_add_buddy( b->ic, handle, NULL );
857	u = user_findhandle( b->ic, handle );
858	}
859
860	/* Add the handle to the room userlist, if it's not 'me' */
861	if( !me )
862	{
863	if( b->joined )
864	irc_join( b->ic->irc, u, b->channel );
865	b->in_room = g_list_append( b->in_room, g_strdup( handle ) );
866	}
867	}
868
869	/* This function is one BIG hack... :-( EREWRITE */
870	void imcb_chat_remove_buddy( struct groupchat b, char handle, char *reason )
871	{
872	user_t *u;
873	int me = 0;
874
875	if( set_getbool( &b->ic->irc->set, "debug" ) )
876	imcb_log( b->ic, "User %s removed from conversation %p (%s)", handle, b, reason ? reason : "" );
877
878	/* It might be yourself! */
879	if( g_strcasecmp( handle, b->ic->acc->user ) == 0 )
880	{
881	if( b->joined == 0 )
882	return;
883
884	u = user_find( b->ic->irc, b->ic->irc->nick );
885	b->joined = 0;
886	me = 1;
887	}
888	else
889	{
890	u = user_findhandle( b->ic, handle );
891	}
892
893	if( me \|\| ( remove_chat_buddy_silent( b, handle ) && b->joined && u ) )
894	irc_part( b->ic->irc, u, b->channel );
895	}
896
897	static int remove_chat_buddy_silent( struct groupchat b, const char handle )
898	{
899	GList *i;
900
901	/* Find the handle in the room userlist and shoot it */
902	i = b->in_room;
903	while( i )
904	{
905	if( g_strcasecmp( handle, i->data ) == 0 )
906	{
907	g_free( i->data );
908	b->in_room = g_list_remove( b->in_room, i->data );
909	return( 1 );
910	}
911
912	i = i->next;
913	}
914
915	return( 0 );
916	}
917
918
919	/* Misc. BitlBee stuff which shouldn't really be here */
920
921	char set_eval_away_devoice( set_t set, char *value )
922	{
923	irc_t *irc = set->data;
924	int st;
925
926	if( ( g_strcasecmp( value, "true" ) == 0 ) \|\| ( g_strcasecmp( value, "yes" ) == 0 ) \|\| ( g_strcasecmp( value, "on" ) == 0 ) )
927	st = 1;
928	else if( ( g_strcasecmp( value, "false" ) == 0 ) \|\| ( g_strcasecmp( value, "no" ) == 0 ) \|\| ( g_strcasecmp( value, "off" ) == 0 ) )
929	st = 0;
930	else if( sscanf( value, "%d", &st ) != 1 )
931	return( NULL );
932
933	st = st != 0;
934
935	/* Horror.... */
936
937	if( st != set_getbool( &irc->set, "away_devoice" ) )
938	{
939	char list[80] = "";
940	user_t *u = irc->users;
941	int i = 0, count = 0;
942	char pm;
943	char v[80];
944
945	if( st )
946	pm = '+';
947	else
948	pm = '-';
949
950	while( u )
951	{
952	if( u->ic && u->online && !u->away )
953	{
954	if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
955	{
956	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
957	irc_write( irc, ":%s MODE %s %c%s%s",
958	irc->myhost,
959	irc->channel, pm, v, list );
960
961	*list = 0;
962	count = 0;
963	}
964
965	sprintf( list + strlen( list ), " %s", u->nick );
966	count ++;
967	}
968	u = u->next;
969	}
970
971	/* $v = 'v' x $i */
972	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
973	irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
974	irc->channel, pm, v, list );
975	}
976
977	return( set_eval_bool( set, value ) );
978	}
979
980
981
982
983	/* The plan is to not allow straight calls to prpl functions anymore, but do
984	them all from some wrappers. We'll start to define some down here: */
985
986	int imc_buddy_msg( struct im_connection ic, char handle, char *msg, int flags )
987	{
988	char *buf = NULL;
989	int st;
990
991	if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
992	{
993	buf = escape_html( msg );
994	msg = buf;
995	}
996
997	st = ic->acc->prpl->buddy_msg( ic, handle, msg, flags );
998	g_free( buf );
999
1000	return st;
1001	}
1002
1003	int imc_chat_msg( struct groupchat c, char msg, int flags )
1004	{
1005	char *buf = NULL;
1006
1007	if( ( c->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1008	{
1009	buf = escape_html( msg );
1010	msg = buf;
1011	}
1012
1013	c->ic->acc->prpl->chat_msg( c, msg, flags );
1014	g_free( buf );
1015
1016	return 1;
1017	}
1018
1019	static char imc_away_alias_find( GList gcm, char *away );
1020
1021	int imc_set_away( struct im_connection ic, char away )
1022	{
1023	GList m, ms;
1024	char *s;
1025
1026	if( !away ) away = "";
1027	ms = m = ic->acc->prpl->away_states( ic );
1028
1029	while( m )
1030	{
1031	if( *away )
1032	{
1033	if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
1034	break;
1035	}
1036	else
1037	{
1038	if( g_strcasecmp( m->data, "Available" ) == 0 )
1039	break;
1040	if( g_strcasecmp( m->data, "Online" ) == 0 )
1041	break;
1042	}
1043	m = m->next;
1044	}
1045
1046	if( m )
1047	{
1048	ic->acc->prpl->set_away( ic, m->data, *away ? away : NULL );
1049	}
1050	else
1051	{
1052	s = imc_away_alias_find( ms, away );
1053	if( s )
1054	{
1055	ic->acc->prpl->set_away( ic, s, away );
1056	if( set_getbool( &ic->irc->set, "debug" ) )
1057	imcb_log( ic, "Setting away state to %s", s );
1058	}
1059	else
1060	ic->acc->prpl->set_away( ic, GAIM_AWAY_CUSTOM, away );
1061	}
1062
1063	return( 1 );
1064	}
1065
1066	static char *imc_away_alias_list[8][5] =
1067	{
1068	{ "Away from computer", "Away", "Extended away", NULL },
1069	{ "NA", "N/A", "Not available", NULL },
1070	{ "Busy", "Do not disturb", "DND", "Occupied", NULL },
1071	{ "Be right back", "BRB", NULL },
1072	{ "On the phone", "Phone", "On phone", NULL },
1073	{ "Out to lunch", "Lunch", "Food", NULL },
1074	{ "Invisible", "Hidden" },
1075	{ NULL }
1076	};
1077
1078	static char imc_away_alias_find( GList gcm, char *away )
1079	{
1080	GList *m;
1081	int i, j;
1082
1083	for( i = 0; *imc_away_alias_list[i]; i ++ )
1084	{
1085	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1086	if( g_strncasecmp( away, imc_away_alias_list[i][j], strlen( imc_away_alias_list[i][j] ) ) == 0 )
1087	break;
1088
1089	if( !imc_away_alias_list[i][j] ) /* If we reach the end, this row */
1090	continue; /* is not what we want. Next! */
1091
1092	/* Now find an entry in this row which exists in gcm */
1093	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1094	{
1095	m = gcm;
1096	while( m )
1097	{
1098	if( g_strcasecmp( imc_away_alias_list[i][j], m->data ) == 0 )
1099	return( imc_away_alias_list[i][j] );
1100	m = m->next;
1101	}
1102	}
1103	}
1104
1105	return( NULL );
1106	}
1107
1108	void imc_add_allow( struct im_connection ic, char handle )
1109	{
1110	if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1111	{
1112	ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
1113	}
1114
1115	ic->acc->prpl->add_permit( ic, handle );
1116	}
1117
1118	void imc_rem_allow( struct im_connection ic, char handle )
1119	{
1120	GSList *l;
1121
1122	if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1123	{
1124	g_free( l->data );
1125	ic->permit = g_slist_delete_link( ic->permit, l );
1126	}
1127
1128	ic->acc->prpl->rem_permit( ic, handle );
1129	}
1130
1131	void imc_add_block( struct im_connection ic, char handle )
1132	{
1133	if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1134	{
1135	ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
1136	}
1137
1138	ic->acc->prpl->add_deny( ic, handle );
1139	}
1140
1141	void imc_rem_block( struct im_connection ic, char handle )
1142	{
1143	GSList *l;
1144
1145	if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1146	{
1147	g_free( l->data );
1148	ic->deny = g_slist_delete_link( ic->deny, l );
1149	}
1150
1151	ic->acc->prpl->rem_deny( ic, handle );
1152	}
1153
1154	void imcb_clean_handle( struct im_connection ic, char handle )
1155	{
1156	/* Accepts a handle and does whatever is necessary to make it
1157	BitlBee-friendly. Currently this means removing everything
1158	outside 33-127 (ASCII printable excl spaces), @ (only one
1159	is allowed) and ! and : */
1160	char out[strlen(handle)+1];
1161	int s, d;
1162
1163	s = d = 0;
1164	while( handle[s] )
1165	{
1166	if( handle[s] > ' ' && handle[s] != '!' && handle[s] != ':' &&
1167	( handle[s] & 0x80 ) == 0 )
1168	{
1169	if( handle[s] == '@' )
1170	{
1171	/* See if we got an @ already? */
1172	out[d] = 0;
1173	if( strchr( out, '@' ) )
1174	continue;
1175	}
1176
1177	out[d++] = handle[s];
1178	}
1179	s ++;
1180	}
1181	out[d] = handle[s];
1182
1183	strcpy( handle, out );
1184	}

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