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source: protocols/nogaim.c @ c05eb5b

Last change on this file since c05eb5b was 94acdd0, checked in by Wilmer van der Gaast <wilmer@…>, at 2008-09-28T11:18:19Z
Restored support for password-protected chatrooms (for now only by accepting a password in the IRC JOIN command).
Property mode set to `100644`
File size: 27.4 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	irc_t *irc = ic->irc;
252	struct chat *c;
253	user_t *u;
254
255	/* MSN servers sometimes redirect you to a different server and do
256	the whole login sequence again, so these "late" calls to this
257	function should be handled correctly. (IOW, ignored) */
258	if( ic->flags & OPT_LOGGED_IN )
259	return;
260
261	u = user_find( ic->irc, ic->irc->nick );
262
263	imcb_log( ic, "Logged in" );
264
265	ic->keepalive = b_timeout_add( 60000, send_keepalive, ic );
266	ic->flags \|= OPT_LOGGED_IN;
267
268	/* Also necessary when we're not away, at least for some of the
269	protocols. */
270	imc_set_away( ic, u->away );
271
272	/* Apparently we're connected successfully, so reset the
273	exponential backoff timer. */
274	ic->acc->auto_reconnect_delay = 0;
275
276	for( c = irc->chatrooms; c; c = c->next )
277	{
278	if( c->acc != ic->acc )
279	continue;
280
281	if( set_getbool( &c->set, "auto_join" ) )
282	chat_join( irc, c, NULL );
283	}
284	}
285
286	gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond )
287	{
288	account_t *a = data;
289
290	a->reconnect = 0;
291	account_on( a->irc, a );
292
293	return( FALSE ); /* Only have to run the timeout once */
294	}
295
296	void cancel_auto_reconnect( account_t *a )
297	{
298	b_event_remove( a->reconnect );
299	a->reconnect = 0;
300	}
301
302	void imc_logout( struct im_connection *ic, int allow_reconnect )
303	{
304	irc_t *irc = ic->irc;
305	user_t t, u;
306	account_t *a;
307	int delay;
308
309	/* Nested calls might happen sometimes, this is probably the best
310	place to catch them. */
311	if( ic->flags & OPT_LOGGING_OUT )
312	return;
313	else
314	ic->flags \|= OPT_LOGGING_OUT;
315
316	imcb_log( ic, "Signing off.." );
317
318	b_event_remove( ic->keepalive );
319	ic->keepalive = 0;
320	ic->acc->prpl->logout( ic );
321	b_event_remove( ic->inpa );
322
323	u = irc->users;
324	while( u )
325	{
326	if( u->ic == ic )
327	{
328	t = u->next;
329	user_del( irc, u->nick );
330	u = t;
331	}
332	else
333	u = u->next;
334	}
335
336	query_del_by_conn( ic->irc, ic );
337
338	for( a = irc->accounts; a; a = a->next )
339	if( a->ic == ic )
340	break;
341
342	if( !a )
343	{
344	/* Uhm... This is very sick. */
345	}
346	else if( allow_reconnect && set_getbool( &irc->set, "auto_reconnect" ) &&
347	set_getbool( &a->set, "auto_reconnect" ) &&
348	( delay = account_reconnect_delay( a ) ) > 0 )
349	{
350	imcb_log( ic, "Reconnecting in %d seconds..", delay );
351	a->reconnect = b_timeout_add( delay * 1000, auto_reconnect, a );
352	}
353
354	imc_free( ic );
355	}
356
357
358	/* dialogs.c */
359
360	void imcb_ask( struct im_connection ic, char msg, void *data,
361	query_callback doit, query_callback dont )
362	{
363	query_add( ic->irc, ic, msg, doit, dont, data );
364	}
365
366
367	/* list.c */
368
369	void imcb_add_buddy( struct im_connection ic, char handle, char *group )
370	{
371	user_t *u;
372	char nick[MAX_NICK_LENGTH+1], *s;
373	irc_t *irc = ic->irc;
374
375	if( user_findhandle( ic, handle ) )
376	{
377	if( set_getbool( &irc->set, "debug" ) )
378	imcb_log( ic, "User already exists, ignoring add request: %s", handle );
379
380	return;
381
382	/* Buddy seems to exist already. Let's ignore this request then...
383	Eventually subsequent calls to this function should be possible
384	when a buddy is in multiple groups. But for now BitlBee doesn't
385	even support groups so let's silently ignore this for now. */
386	}
387
388	memset( nick, 0, MAX_NICK_LENGTH + 1 );
389	strcpy( nick, nick_get( ic->acc, handle ) );
390
391	u = user_add( ic->irc, nick );
392
393	// if( !realname \|\| !*realname ) realname = nick;
394	// u->realname = g_strdup( realname );
395
396	if( ( s = strchr( handle, '@' ) ) )
397	{
398	u->host = g_strdup( s + 1 );
399	u->user = g_strndup( handle, s - handle );
400	}
401	else if( ic->acc->server )
402	{
403	u->host = g_strdup( ic->acc->server );
404	u->user = g_strdup( handle );
405
406	/* s/ /_/ ... important for AOL screennames */
407	for( s = u->user; *s; s ++ )
408	if( *s == ' ' )
409	*s = '_';
410	}
411	else
412	{
413	u->host = g_strdup( ic->acc->prpl->name );
414	u->user = g_strdup( handle );
415	}
416
417	u->ic = ic;
418	u->handle = g_strdup( handle );
419	if( group ) u->group = g_strdup( group );
420	u->send_handler = buddy_send_handler;
421	u->last_typing_notice = 0;
422	}
423
424	struct buddy imcb_find_buddy( struct im_connection ic, char *handle )
425	{
426	static struct buddy b[1];
427	user_t *u;
428
429	u = user_findhandle( ic, handle );
430
431	if( !u )
432	return( NULL );
433
434	memset( b, 0, sizeof( b ) );
435	strncpy( b->name, handle, 80 );
436	strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN );
437	b->present = u->online;
438	b->ic = u->ic;
439
440	return( b );
441	}
442
443	void imcb_rename_buddy( struct im_connection ic, char handle, char *realname )
444	{
445	user_t *u = user_findhandle( ic, handle );
446
447	if( !u \|\| !realname ) return;
448
449	if( g_strcasecmp( u->realname, realname ) != 0 )
450	{
451	if( u->realname != u->nick ) g_free( u->realname );
452
453	u->realname = g_strdup( realname );
454
455	if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) )
456	imcb_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname );
457	}
458	}
459
460	void imcb_remove_buddy( struct im_connection ic, char handle, char *group )
461	{
462	user_t *u;
463
464	if( ( u = user_findhandle( ic, handle ) ) )
465	user_del( ic->irc, u->nick );
466	}
467
468	/* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM
469	modules to suggest a nickname for a handle. */
470	void imcb_buddy_nick_hint( struct im_connection ic, char handle, char *nick )
471	{
472	user_t *u = user_findhandle( ic, handle );
473	char newnick[MAX_NICK_LENGTH+1], *orig_nick;
474
475	if( u && !u->online && !nick_saved( ic->acc, handle ) )
476	{
477	/* Only do this if the person isn't online yet (which should
478	be the case if we just added it) and if the user hasn't
479	assigned a nickname to this buddy already. */
480
481	strncpy( newnick, nick, MAX_NICK_LENGTH );
482	newnick[MAX_NICK_LENGTH] = 0;
483
484	/* Some processing to make sure this string is a valid IRC nickname. */
485	nick_strip( newnick );
486	if( set_getbool( &ic->irc->set, "lcnicks" ) )
487	nick_lc( newnick );
488
489	if( strcmp( u->nick, newnick ) != 0 )
490	{
491	/* Only do this if newnick is different from the current one.
492	If rejoining a channel, maybe we got this nick already
493	(and dedupe would only add an underscore. */
494	nick_dedupe( ic->acc, handle, newnick );
495
496	/* u->nick will be freed halfway the process, so it can't be
497	passed as an argument. */
498	orig_nick = g_strdup( u->nick );
499	user_rename( ic->irc, orig_nick, newnick );
500	g_free( orig_nick );
501	}
502	}
503	}
504
505	/* prpl.c */
506
507	struct show_got_added_data
508	{
509	struct im_connection *ic;
510	char *handle;
511	};
512
513	void show_got_added_no( void *data )
514	{
515	g_free( ((struct show_got_added_data*)data)->handle );
516	g_free( data );
517	}
518
519	void show_got_added_yes( void *data )
520	{
521	struct show_got_added_data *sga = data;
522
523	sga->ic->acc->prpl->add_buddy( sga->ic, sga->handle, NULL );
524	/* imcb_add_buddy( sga->ic, NULL, sga->handle, sga->handle ); */
525
526	return show_got_added_no( data );
527	}
528
529	void imcb_ask_add( struct im_connection ic, char handle, const char *realname )
530	{
531	struct show_got_added_data *data = g_new0( struct show_got_added_data, 1 );
532	char *s;
533
534	/* TODO: Make a setting for this! */
535	if( user_findhandle( ic, handle ) != NULL )
536	return;
537
538	s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
539
540	data->ic = ic;
541	data->handle = g_strdup( handle );
542	query_add( ic->irc, ic, s, show_got_added_yes, show_got_added_no, data );
543	}
544
545
546	/* server.c */
547
548	void imcb_buddy_status( struct im_connection ic, const char handle, int flags, const char state, const char message )
549	{
550	user_t *u;
551	int oa, oo;
552
553	u = user_findhandle( ic, (char*) handle );
554
555	if( !u )
556	{
557	if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 )
558	{
559	imcb_add_buddy( ic, (char*) handle, NULL );
560	u = user_findhandle( ic, (char*) handle );
561	}
562	else
563	{
564	if( set_getbool( &ic->irc->set, "debug" ) \|\| g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 )
565	{
566	imcb_log( ic, "imcb_buddy_status() for unknown handle %s:", handle );
567	imcb_log( ic, "flags = %d, state = %s, message = %s", flags,
568	state ? state : "NULL", message ? message : "NULL" );
569	}
570
571	return;
572	}
573	}
574
575	oa = u->away != NULL;
576	oo = u->online;
577
578	if( u->away )
579	{
580	g_free( u->away );
581	u->away = NULL;
582	}
583
584	if( ( flags & OPT_LOGGED_IN ) && !u->online )
585	{
586	irc_spawn( ic->irc, u );
587	u->online = 1;
588	}
589	else if( !( flags & OPT_LOGGED_IN ) && u->online )
590	{
591	struct groupchat *c;
592
593	irc_kill( ic->irc, u );
594	u->online = 0;
595
596	/* Remove him/her from the groupchats to prevent PART messages after he/she QUIT already */
597	for( c = ic->groupchats; c; c = c->next )
598	remove_chat_buddy_silent( c, handle );
599	}
600
601	if( flags & OPT_AWAY )
602	{
603	if( state && message )
604	{
605	u->away = g_strdup_printf( "%s (%s)", state, message );
606	}
607	else if( state )
608	{
609	u->away = g_strdup( state );
610	}
611	else if( message )
612	{
613	u->away = g_strdup( message );
614	}
615	else
616	{
617	u->away = g_strdup( "Away" );
618	}
619	}
620	/* else waste_any_state_information_for_now(); */
621
622	/* LISPy... */
623	if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */
624	( u->online ) && /* Don't touch offline people */
625	( ( ( u->online != oo ) && !u->away ) \|\| /* Voice joining people */
626	( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */
627	{
628	char *from;
629
630	if( set_getbool( &ic->irc->set, "simulate_netsplit" ) )
631	{
632	from = g_strdup( ic->irc->myhost );
633	}
634	else
635	{
636	from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick,
637	ic->irc->myhost );
638	}
639	irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel,
640	u->away?'-':'+', u->nick );
641	g_free( from );
642	}
643	}
644
645	void imcb_buddy_msg( struct im_connection ic, char handle, char *msg, uint32_t flags, time_t sent_at )
646	{
647	irc_t *irc = ic->irc;
648	char *wrapped;
649	user_t *u;
650
651	u = user_findhandle( ic, handle );
652
653	if( !u )
654	{
655	char *h = set_getstr( &irc->set, "handle_unknown" );
656
657	if( g_strcasecmp( h, "ignore" ) == 0 )
658	{
659	if( set_getbool( &irc->set, "debug" ) )
660	imcb_log( ic, "Ignoring message from unknown handle %s", handle );
661
662	return;
663	}
664	else if( g_strncasecmp( h, "add", 3 ) == 0 )
665	{
666	int private = set_getbool( &irc->set, "private" );
667
668	if( h[3] )
669	{
670	if( g_strcasecmp( h + 3, "_private" ) == 0 )
671	private = 1;
672	else if( g_strcasecmp( h + 3, "_channel" ) == 0 )
673	private = 0;
674	}
675
676	imcb_add_buddy( ic, handle, NULL );
677	u = user_findhandle( ic, handle );
678	u->is_private = private;
679	}
680	else
681	{
682	imcb_log( ic, "Message from unknown handle %s:", handle );
683	u = user_find( irc, irc->mynick );
684	}
685	}
686
687	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
688	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
689	strip_html( msg );
690
691	wrapped = word_wrap( msg, 425 );
692	irc_msgfrom( irc, u->nick, wrapped );
693	g_free( wrapped );
694	}
695
696	void imcb_buddy_typing( struct im_connection ic, char handle, uint32_t flags )
697	{
698	user_t *u;
699
700	if( !set_getbool( &ic->irc->set, "typing_notice" ) )
701	return;
702
703	if( ( u = user_findhandle( ic, handle ) ) )
704	{
705	char buf[256];
706
707	g_snprintf( buf, 256, "\1TYPING %d\1", ( flags >> 8 ) & 3 );
708	irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf );
709	}
710	}
711
712	struct groupchat imcb_chat_new( struct im_connection ic, const char *handle )
713	{
714	struct groupchat *c;
715
716	/* This one just creates the conversation structure, user won't see anything yet */
717
718	if( ic->groupchats )
719	{
720	for( c = ic->groupchats; c->next; c = c->next );
721	c = c->next = g_new0( struct groupchat, 1 );
722	}
723	else
724	ic->groupchats = c = g_new0( struct groupchat, 1 );
725
726	c->ic = ic;
727	c->title = g_strdup( handle );
728	c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ );
729	c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title );
730
731	if( set_getbool( &ic->irc->set, "debug" ) )
732	imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle );
733
734	return c;
735	}
736
737	void imcb_chat_free( struct groupchat *c )
738	{
739	struct im_connection *ic = c->ic;
740	struct groupchat *l;
741	GList *ir;
742
743	if( set_getbool( &ic->irc->set, "debug" ) )
744	imcb_log( ic, "You were removed from conversation %p", c );
745
746	if( c )
747	{
748	if( c->joined )
749	{
750	user_t u, r;
751
752	r = user_find( ic->irc, ic->irc->mynick );
753	irc_privmsg( ic->irc, r, "PRIVMSG", c->channel, "", "Cleaning up channel, bye!" );
754
755	u = user_find( ic->irc, ic->irc->nick );
756	irc_kick( ic->irc, u, c->channel, r );
757	/* irc_part( ic->irc, u, c->channel ); */
758	}
759
760	/* Find the previous chat in the linked list. */
761	for( l = ic->groupchats; l && l->next != c; l = l->next );
762
763	if( l )
764	l->next = c->next;
765	else
766	ic->groupchats = c->next;
767
768	for( ir = c->in_room; ir; ir = ir->next )
769	g_free( ir->data );
770	g_list_free( c->in_room );
771	g_free( c->channel );
772	g_free( c->title );
773	g_free( c->topic );
774	g_free( c );
775	}
776	}
777
778	void imcb_chat_msg( struct groupchat c, char who, char *msg, uint32_t flags, time_t sent_at )
779	{
780	struct im_connection *ic = c->ic;
781	char *wrapped;
782	user_t *u;
783
784	/* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
785	if( g_strcasecmp( who, ic->acc->user ) == 0 )
786	return;
787
788	u = user_findhandle( ic, who );
789
790	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
791	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
792	strip_html( msg );
793
794	wrapped = word_wrap( msg, 425 );
795	if( c && u )
796	{
797	irc_privmsg( ic->irc, u, "PRIVMSG", c->channel, "", wrapped );
798	}
799	else
800	{
801	imcb_log( ic, "Message from/to conversation %s@%p (unknown conv/user): %s", who, c, wrapped );
802	}
803	g_free( wrapped );
804	}
805
806	void imcb_chat_log( struct groupchat c, char format, ... )
807	{
808	irc_t *irc = c->ic->irc;
809	va_list params;
810	char *text;
811	user_t *u;
812
813	va_start( params, format );
814	text = g_strdup_vprintf( format, params );
815	va_end( params );
816
817	u = user_find( irc, irc->mynick );
818
819	irc_privmsg( irc, u, "PRIVMSG", c->channel, "System message: ", text );
820
821	g_free( text );
822	}
823
824	void imcb_chat_topic( struct groupchat c, char who, char *topic, time_t set_at )
825	{
826	struct im_connection *ic = c->ic;
827	user_t *u = NULL;
828
829	if( who == NULL)
830	u = user_find( ic->irc, ic->irc->mynick );
831	else if( g_strcasecmp( who, ic->acc->user ) == 0 )
832	u = user_find( ic->irc, ic->irc->nick );
833	else
834	u = user_findhandle( ic, who );
835
836	if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) \|\|
837	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
838	strip_html( topic );
839
840	g_free( c->topic );
841	c->topic = g_strdup( topic );
842
843	if( c->joined && u )
844	irc_write( ic->irc, ":%s!%s@%s TOPIC %s :%s", u->nick, u->user, u->host, c->channel, topic );
845	}
846
847
848	/* buddy_chat.c */
849
850	void imcb_chat_add_buddy( struct groupchat b, char handle )
851	{
852	user_t *u = user_findhandle( b->ic, handle );
853	int me = 0;
854
855	if( set_getbool( &b->ic->irc->set, "debug" ) )
856	imcb_log( b->ic, "User %s added to conversation %p", handle, b );
857
858	/* It might be yourself! */
859	if( b->ic->acc->prpl->handle_cmp( handle, b->ic->acc->user ) == 0 )
860	{
861	u = user_find( b->ic->irc, b->ic->irc->nick );
862	if( !b->joined )
863	irc_join( b->ic->irc, u, b->channel );
864	b->joined = me = 1;
865	}
866
867	/* Most protocols allow people to join, even when they're not in
868	your contact list. Try to handle that here */
869	if( !u )
870	{
871	imcb_add_buddy( b->ic, handle, NULL );
872	u = user_findhandle( b->ic, handle );
873	}
874
875	/* Add the handle to the room userlist, if it's not 'me' */
876	if( !me )
877	{
878	if( b->joined )
879	irc_join( b->ic->irc, u, b->channel );
880	b->in_room = g_list_append( b->in_room, g_strdup( handle ) );
881	}
882	}
883
884	/* This function is one BIG hack... :-( EREWRITE */
885	void imcb_chat_remove_buddy( struct groupchat b, char handle, char *reason )
886	{
887	user_t *u;
888	int me = 0;
889
890	if( set_getbool( &b->ic->irc->set, "debug" ) )
891	imcb_log( b->ic, "User %s removed from conversation %p (%s)", handle, b, reason ? reason : "" );
892
893	/* It might be yourself! */
894	if( g_strcasecmp( handle, b->ic->acc->user ) == 0 )
895	{
896	if( b->joined == 0 )
897	return;
898
899	u = user_find( b->ic->irc, b->ic->irc->nick );
900	b->joined = 0;
901	me = 1;
902	}
903	else
904	{
905	u = user_findhandle( b->ic, handle );
906	}
907
908	if( me \|\| ( remove_chat_buddy_silent( b, handle ) && b->joined && u ) )
909	irc_part( b->ic->irc, u, b->channel );
910	}
911
912	static int remove_chat_buddy_silent( struct groupchat b, const char handle )
913	{
914	GList *i;
915
916	/* Find the handle in the room userlist and shoot it */
917	i = b->in_room;
918	while( i )
919	{
920	if( g_strcasecmp( handle, i->data ) == 0 )
921	{
922	g_free( i->data );
923	b->in_room = g_list_remove( b->in_room, i->data );
924	return( 1 );
925	}
926
927	i = i->next;
928	}
929
930	return( 0 );
931	}
932
933
934	/* Misc. BitlBee stuff which shouldn't really be here */
935
936	char set_eval_away_devoice( set_t set, char *value )
937	{
938	irc_t *irc = set->data;
939	int st;
940
941	if( !is_bool( value ) )
942	return SET_INVALID;
943
944	st = bool2int( value );
945
946	/* Horror.... */
947
948	if( st != set_getbool( &irc->set, "away_devoice" ) )
949	{
950	char list[80] = "";
951	user_t *u = irc->users;
952	int i = 0, count = 0;
953	char pm;
954	char v[80];
955
956	if( st )
957	pm = '+';
958	else
959	pm = '-';
960
961	while( u )
962	{
963	if( u->ic && u->online && !u->away )
964	{
965	if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
966	{
967	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
968	irc_write( irc, ":%s MODE %s %c%s%s",
969	irc->myhost,
970	irc->channel, pm, v, list );
971
972	*list = 0;
973	count = 0;
974	}
975
976	sprintf( list + strlen( list ), " %s", u->nick );
977	count ++;
978	}
979	u = u->next;
980	}
981
982	/* $v = 'v' x $i */
983	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
984	irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
985	irc->channel, pm, v, list );
986	}
987
988	return value;
989	}
990
991
992
993
994	/* The plan is to not allow straight calls to prpl functions anymore, but do
995	them all from some wrappers. We'll start to define some down here: */
996
997	int imc_buddy_msg( struct im_connection ic, char handle, char *msg, int flags )
998	{
999	char *buf = NULL;
1000	int st;
1001
1002	if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1003	{
1004	buf = escape_html( msg );
1005	msg = buf;
1006	}
1007
1008	st = ic->acc->prpl->buddy_msg( ic, handle, msg, flags );
1009	g_free( buf );
1010
1011	return st;
1012	}
1013
1014	int imc_chat_msg( struct groupchat c, char msg, int flags )
1015	{
1016	char *buf = NULL;
1017
1018	if( ( c->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
1019	{
1020	buf = escape_html( msg );
1021	msg = buf;
1022	}
1023
1024	c->ic->acc->prpl->chat_msg( c, msg, flags );
1025	g_free( buf );
1026
1027	return 1;
1028	}
1029
1030	static char imc_away_alias_find( GList gcm, char *away );
1031
1032	int imc_set_away( struct im_connection ic, char away )
1033	{
1034	GList m, ms;
1035	char *s;
1036
1037	if( !away ) away = "";
1038	ms = m = ic->acc->prpl->away_states( ic );
1039
1040	while( m )
1041	{
1042	if( *away )
1043	{
1044	if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
1045	break;
1046	}
1047	else
1048	{
1049	if( g_strcasecmp( m->data, "Available" ) == 0 )
1050	break;
1051	if( g_strcasecmp( m->data, "Online" ) == 0 )
1052	break;
1053	}
1054	m = m->next;
1055	}
1056
1057	if( m )
1058	{
1059	ic->acc->prpl->set_away( ic, m->data, *away ? away : NULL );
1060	}
1061	else
1062	{
1063	s = imc_away_alias_find( ms, away );
1064	if( s )
1065	{
1066	ic->acc->prpl->set_away( ic, s, away );
1067	if( set_getbool( &ic->irc->set, "debug" ) )
1068	imcb_log( ic, "Setting away state to %s", s );
1069	}
1070	else
1071	ic->acc->prpl->set_away( ic, GAIM_AWAY_CUSTOM, away );
1072	}
1073
1074	return( 1 );
1075	}
1076
1077	static char *imc_away_alias_list[8][5] =
1078	{
1079	{ "Away from computer", "Away", "Extended away", NULL },
1080	{ "NA", "N/A", "Not available", NULL },
1081	{ "Busy", "Do not disturb", "DND", "Occupied", NULL },
1082	{ "Be right back", "BRB", NULL },
1083	{ "On the phone", "Phone", "On phone", NULL },
1084	{ "Out to lunch", "Lunch", "Food", NULL },
1085	{ "Invisible", "Hidden" },
1086	{ NULL }
1087	};
1088
1089	static char imc_away_alias_find( GList gcm, char *away )
1090	{
1091	GList *m;
1092	int i, j;
1093
1094	for( i = 0; *imc_away_alias_list[i]; i ++ )
1095	{
1096	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1097	if( g_strncasecmp( away, imc_away_alias_list[i][j], strlen( imc_away_alias_list[i][j] ) ) == 0 )
1098	break;
1099
1100	if( !imc_away_alias_list[i][j] ) /* If we reach the end, this row */
1101	continue; /* is not what we want. Next! */
1102
1103	/* Now find an entry in this row which exists in gcm */
1104	for( j = 0; imc_away_alias_list[i][j]; j ++ )
1105	{
1106	m = gcm;
1107	while( m )
1108	{
1109	if( g_strcasecmp( imc_away_alias_list[i][j], m->data ) == 0 )
1110	return( imc_away_alias_list[i][j] );
1111	m = m->next;
1112	}
1113	}
1114	}
1115
1116	return( NULL );
1117	}
1118
1119	void imc_add_allow( struct im_connection ic, char handle )
1120	{
1121	if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1122	{
1123	ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
1124	}
1125
1126	ic->acc->prpl->add_permit( ic, handle );
1127	}
1128
1129	void imc_rem_allow( struct im_connection ic, char handle )
1130	{
1131	GSList *l;
1132
1133	if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1134	{
1135	g_free( l->data );
1136	ic->permit = g_slist_delete_link( ic->permit, l );
1137	}
1138
1139	ic->acc->prpl->rem_permit( ic, handle );
1140	}
1141
1142	void imc_add_block( struct im_connection ic, char handle )
1143	{
1144	if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
1145	{
1146	ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
1147	}
1148
1149	ic->acc->prpl->add_deny( ic, handle );
1150	}
1151
1152	void imc_rem_block( struct im_connection ic, char handle )
1153	{
1154	GSList *l;
1155
1156	if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
1157	{
1158	g_free( l->data );
1159	ic->deny = g_slist_delete_link( ic->deny, l );
1160	}
1161
1162	ic->acc->prpl->rem_deny( ic, handle );
1163	}
1164
1165	void imcb_clean_handle( struct im_connection ic, char handle )
1166	{
1167	/* Accepts a handle and does whatever is necessary to make it
1168	BitlBee-friendly. Currently this means removing everything
1169	outside 33-127 (ASCII printable excl spaces), @ (only one
1170	is allowed) and ! and : */
1171	char out[strlen(handle)+1];
1172	int s, d;
1173
1174	s = d = 0;
1175	while( handle[s] )
1176	{
1177	if( handle[s] > ' ' && handle[s] != '!' && handle[s] != ':' &&
1178	( handle[s] & 0x80 ) == 0 )
1179	{
1180	if( handle[s] == '@' )
1181	{
1182	/* See if we got an @ already? */
1183	out[d] = 0;
1184	if( strchr( out, '@' ) )
1185	continue;
1186	}
1187
1188	out[d++] = handle[s];
1189	}
1190	s ++;
1191	}
1192	out[d] = handle[s];
1193
1194	strcpy( handle, out );
1195	}

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