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source: protocols/nogaim.c @ 6fd4d46

Last change on this file since 6fd4d46 was 3663bb3, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-05-13T00:19:33Z
Restore query cleanup on IM disconnects.
Property mode set to `100644`
File size: 18.1 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2010 Wilmer van der Gaast and others *
5	\********************************************************************/
6
7	/*
8	* nogaim
9	*
10	* Gaim without gaim - for BitlBee
11	*
12	* This file contains functions called by the Gaim IM-modules. It's written
13	* from scratch for BitlBee and doesn't contain any code from Gaim anymore
14	* (except for the function names).
15	*/
16
17	/*
18	This program is free software; you can redistribute it and/or modify
19	it under the terms of the GNU General Public License as published by
20	the Free Software Foundation; either version 2 of the License, or
21	(at your option) any later version.
22
23	This program is distributed in the hope that it will be useful,
24	but WITHOUT ANY WARRANTY; without even the implied warranty of
25	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26	GNU General Public License for more details.
27
28	You should have received a copy of the GNU General Public License with
29	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
30	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
31	Suite 330, Boston, MA 02111-1307 USA
32	*/
33
34	#define BITLBEE_CORE
35	#include <ctype.h>
36
37	#include "nogaim.h"
38	#include "chat.h"
39
40	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	GList *protocols = NULL;
93
94	void register_protocol (struct prpl *p)
95	{
96	int i;
97	gboolean refused = global.conf->protocols != NULL;
98
99	for (i = 0; global.conf->protocols && global.conf->protocols[i]; i++)
100	{
101	if (g_strcasecmp(p->name, global.conf->protocols[i]) == 0)
102	refused = FALSE;
103	}
104
105	if (refused)
106	log_message(LOGLVL_WARNING, "Protocol %s disabled\n", p->name);
107	else
108	protocols = g_list_append(protocols, p);
109	}
110
111	struct prpl find_protocol(const char name)
112	{
113	GList *gl;
114	for (gl = protocols; gl; gl = gl->next)
115	{
116	struct prpl *proto = gl->data;
117	if(!g_strcasecmp(proto->name, name))
118	return proto;
119	}
120	return NULL;
121	}
122
123	void nogaim_init()
124	{
125	extern void msn_initmodule();
126	extern void oscar_initmodule();
127	extern void byahoo_initmodule();
128	extern void jabber_initmodule();
129	extern void twitter_initmodule();
130
131	#ifdef WITH_MSN
132	msn_initmodule();
133	#endif
134
135	#ifdef WITH_OSCAR
136	oscar_initmodule();
137	#endif
138
139	#ifdef WITH_YAHOO
140	byahoo_initmodule();
141	#endif
142
143	#ifdef WITH_JABBER
144	jabber_initmodule();
145	#endif
146
147	#ifdef WITH_TWITTER
148	twitter_initmodule();
149	#endif
150
151	#ifdef WITH_PLUGINS
152	load_plugins();
153	#endif
154	}
155
156	GSList *get_connections() { return connections; }
157
158	struct im_connection imcb_new( account_t acc )
159	{
160	struct im_connection *ic;
161
162	ic = g_new0( struct im_connection, 1 );
163
164	ic->bee = acc->bee;
165	ic->acc = acc;
166	acc->ic = ic;
167
168	connections = g_slist_append( connections, ic );
169
170	return( ic );
171	}
172
173	void imc_free( struct im_connection *ic )
174	{
175	account_t *a;
176
177	/* Destroy the pointer to this connection from the account list */
178	for( a = ic->bee->accounts; a; a = a->next )
179	if( a->ic == ic )
180	{
181	a->ic = NULL;
182	break;
183	}
184
185	connections = g_slist_remove( connections, ic );
186	g_free( ic );
187	}
188
189	static void serv_got_crap( struct im_connection ic, char format, ... )
190	{
191	va_list params;
192	char *text;
193	account_t *a;
194
195	va_start( params, format );
196	text = g_strdup_vprintf( format, params );
197	va_end( params );
198
199	if( ( g_strcasecmp( set_getstr( &ic->bee->set, "strip_html" ), "always" ) == 0 ) \|\|
200	( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->bee->set, "strip_html" ) ) )
201	strip_html( text );
202
203	/* Try to find a different connection on the same protocol. */
204	for( a = ic->bee->accounts; a; a = a->next )
205	if( a->prpl == ic->acc->prpl && a->ic != ic )
206	break;
207
208	/* If we found one, include the screenname in the message. */
209	if( a )
210	/* FIXME(wilmer): ui_log callback or so */
211	irc_usermsg( ic->bee->ui_data, "%s(%s) - %s", ic->acc->prpl->name, ic->acc->user, text );
212	else
213	irc_usermsg( ic->bee->ui_data, "%s - %s", ic->acc->prpl->name, text );
214
215	g_free( text );
216	}
217
218	void imcb_log( struct im_connection ic, char format, ... )
219	{
220	va_list params;
221	char *text;
222
223	va_start( params, format );
224	text = g_strdup_vprintf( format, params );
225	va_end( params );
226
227	if( ic->flags & OPT_LOGGED_IN )
228	serv_got_crap( ic, "%s", text );
229	else
230	serv_got_crap( ic, "Logging in: %s", text );
231
232	g_free( text );
233	}
234
235	void imcb_error( struct im_connection ic, char format, ... )
236	{
237	va_list params;
238	char *text;
239
240	va_start( params, format );
241	text = g_strdup_vprintf( format, params );
242	va_end( params );
243
244	if( ic->flags & OPT_LOGGED_IN )
245	serv_got_crap( ic, "Error: %s", text );
246	else
247	serv_got_crap( ic, "Couldn't log in: %s", text );
248
249	g_free( text );
250	}
251
252	static gboolean send_keepalive( gpointer d, gint fd, b_input_condition cond )
253	{
254	struct im_connection *ic = d;
255
256	if( ic->acc->prpl->keepalive )
257	ic->acc->prpl->keepalive( ic );
258
259	return TRUE;
260	}
261
262	void imcb_connected( struct im_connection *ic )
263	{
264	/* MSN servers sometimes redirect you to a different server and do
265	the whole login sequence again, so these "late" calls to this
266	function should be handled correctly. (IOW, ignored) */
267	if( ic->flags & OPT_LOGGED_IN )
268	return;
269
270	imcb_log( ic, "Logged in" );
271
272	ic->keepalive = b_timeout_add( 60000, send_keepalive, ic );
273	ic->flags \|= OPT_LOGGED_IN;
274
275	/* Necessary to send initial presence status, even if we're not away. */
276	imc_away_send_update( ic );
277
278	/* Apparently we're connected successfully, so reset the
279	exponential backoff timer. */
280	ic->acc->auto_reconnect_delay = 0;
281
282	/*
283	for( c = irc->chatrooms; c; c = c->next )
284	{
285	if( c->acc != ic->acc )
286	continue;
287
288	if( set_getbool( &c->set, "auto_join" ) )
289	chat_join( irc, c, NULL );
290	}
291	*/
292	}
293
294	gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond )
295	{
296	account_t *a = data;
297
298	a->reconnect = 0;
299	account_on( a->bee, a );
300
301	return( FALSE ); /* Only have to run the timeout once */
302	}
303
304	void cancel_auto_reconnect( account_t *a )
305	{
306	b_event_remove( a->reconnect );
307	a->reconnect = 0;
308	}
309
310	void imc_logout( struct im_connection *ic, int allow_reconnect )
311	{
312	bee_t *bee = ic->bee;
313	account_t *a;
314	GSList *l;
315	int delay;
316
317	/* Nested calls might happen sometimes, this is probably the best
318	place to catch them. */
319	if( ic->flags & OPT_LOGGING_OUT )
320	return;
321	else
322	ic->flags \|= OPT_LOGGING_OUT;
323
324	imcb_log( ic, "Signing off.." );
325
326	b_event_remove( ic->keepalive );
327	ic->keepalive = 0;
328	ic->acc->prpl->logout( ic );
329	b_event_remove( ic->inpa );
330
331	g_free( ic->away );
332	ic->away = NULL;
333
334	for( l = bee->users; l; )
335	{
336	bee_user_t *bu = l->data;
337	GSList *next = l->next;
338
339	if( bu->ic == ic )
340	bee_user_free( bee, bu );
341
342	l = next;
343	}
344
345	query_del_by_conn( (irc_t*) ic->bee->ui_data, ic );
346
347	for( a = bee->accounts; a; a = a->next )
348	if( a->ic == ic )
349	break;
350
351	if( !a )
352	{
353	/* Uhm... This is very sick. */
354	}
355	else if( allow_reconnect && set_getbool( &bee->set, "auto_reconnect" ) &&
356	set_getbool( &a->set, "auto_reconnect" ) &&
357	( delay = account_reconnect_delay( a ) ) > 0 )
358	{
359	imcb_log( ic, "Reconnecting in %d seconds..", delay );
360	a->reconnect = b_timeout_add( delay * 1000, auto_reconnect, a );
361	}
362
363	imc_free( ic );
364	}
365
366	void imcb_ask( struct im_connection ic, char msg, void *data,
367	query_callback doit, query_callback dont )
368	{
369	query_add( (irc_t *) ic->bee->ui_data, ic, msg, doit, dont, data );
370	}
371
372	void imcb_add_buddy( struct im_connection ic, const char handle, const char *group )
373	{
374	bee_user_t *bu;
375	bee_t *bee = ic->bee;
376
377	if( !( bu = bee_user_by_handle( bee, ic, handle ) ) )
378	bu = bee_user_new( bee, ic, handle );
379
380	bu->group = bee_group_by_name( bee, group, TRUE );
381	}
382
383	void imcb_rename_buddy( struct im_connection ic, const char handle, const char *fullname )
384	{
385	bee_t *bee = ic->bee;
386	bee_user_t *bu = bee_user_by_handle( bee, ic, handle );
387
388	if( !bu \|\| !fullname ) return;
389
390	if( !bu->fullname \|\| strcmp( bu->fullname, fullname ) != 0 )
391	{
392	g_free( bu->fullname );
393	bu->fullname = g_strdup( fullname );
394
395	if( bee->ui->user_fullname )
396	bee->ui->user_fullname( bee, bu );
397	}
398	}
399
400	void imcb_remove_buddy( struct im_connection ic, const char handle, char *group )
401	{
402	bee_user_free( ic->bee, bee_user_by_handle( ic->bee, ic, handle ) );
403	}
404
405	/* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM
406	modules to suggest a nickname for a handle. */
407	void imcb_buddy_nick_hint( struct im_connection ic, const char handle, const char *nick )
408	{
409	#if 0
410	user_t *u = user_findhandle( ic, handle );
411	char newnick[MAX_NICK_LENGTH+1], *orig_nick;
412
413	if( u && !u->online && !nick_saved( ic->acc, handle ) )
414	{
415	/* Only do this if the person isn't online yet (which should
416	be the case if we just added it) and if the user hasn't
417	assigned a nickname to this buddy already. */
418
419	strncpy( newnick, nick, MAX_NICK_LENGTH );
420	newnick[MAX_NICK_LENGTH] = 0;
421
422	/* Some processing to make sure this string is a valid IRC nickname. */
423	nick_strip( newnick );
424	if( set_getbool( &ic->bee->set, "lcnicks" ) )
425	nick_lc( newnick );
426
427	if( strcmp( u->nick, newnick ) != 0 )
428	{
429	/* Only do this if newnick is different from the current one.
430	If rejoining a channel, maybe we got this nick already
431	(and dedupe would only add an underscore. */
432	nick_dedupe( ic->acc, handle, newnick );
433
434	/* u->nick will be freed halfway the process, so it can't be
435	passed as an argument. */
436	orig_nick = g_strdup( u->nick );
437	user_rename( ic->irc, orig_nick, newnick );
438	g_free( orig_nick );
439	}
440	}
441	#endif
442	}
443
444
445	struct imcb_ask_cb_data
446	{
447	struct im_connection *ic;
448	char *handle;
449	};
450
451	static void imcb_ask_auth_cb_no( void *data )
452	{
453	struct imcb_ask_cb_data *cbd = data;
454
455	cbd->ic->acc->prpl->auth_deny( cbd->ic, cbd->handle );
456
457	g_free( cbd->handle );
458	g_free( cbd );
459	}
460
461	static void imcb_ask_auth_cb_yes( void *data )
462	{
463	struct imcb_ask_cb_data *cbd = data;
464
465	cbd->ic->acc->prpl->auth_allow( cbd->ic, cbd->handle );
466
467	g_free( cbd->handle );
468	g_free( cbd );
469	}
470
471	void imcb_ask_auth( struct im_connection ic, const char handle, const char *realname )
472	{
473	struct imcb_ask_cb_data *data = g_new0( struct imcb_ask_cb_data, 1 );
474	char s, realname_ = NULL;
475
476	if( realname != NULL )
477	realname_ = g_strdup_printf( " (%s)", realname );
478
479	s = g_strdup_printf( "The user %s%s wants to add you to his/her buddy list.",
480	handle, realname_ ?: "" );
481
482	g_free( realname_ );
483
484	data->ic = ic;
485	data->handle = g_strdup( handle );
486	query_add( (irc_t *) ic->bee->ui_data, ic, s,
487	imcb_ask_auth_cb_yes, imcb_ask_auth_cb_no, data );
488	}
489
490
491	static void imcb_ask_add_cb_no( void *data )
492	{
493	g_free( ((struct imcb_ask_cb_data*)data)->handle );
494	g_free( data );
495	}
496
497	static void imcb_ask_add_cb_yes( void *data )
498	{
499	struct imcb_ask_cb_data *cbd = data;
500
501	cbd->ic->acc->prpl->add_buddy( cbd->ic, cbd->handle, NULL );
502
503	return imcb_ask_add_cb_no( data );
504	}
505
506	void imcb_ask_add( struct im_connection ic, const char handle, const char *realname )
507	{
508	struct imcb_ask_cb_data *data = g_new0( struct imcb_ask_cb_data, 1 );
509	char *s;
510
511	/* TODO: Make a setting for this! */
512	if( bee_user_by_handle( ic->bee, ic, handle ) != NULL )
513	return;
514
515	s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
516
517	data->ic = ic;
518	data->handle = g_strdup( handle );
519	query_add( (irc_t *) ic->bee->ui_data, ic, s,
520	imcb_ask_add_cb_yes, imcb_ask_add_cb_no, data );
521	}
522
523	struct bee_user imcb_buddy_by_handle( struct im_connection ic, const char *handle )
524	{
525	return bee_user_by_handle( ic->bee, ic, handle );
526	}
527
528
529	/* Misc. BitlBee stuff which shouldn't really be here */
530	#if 0
531	char set_eval_away_devoice( set_t set, char *value )
532	{
533	irc_t *irc = set->data;
534	int st;
535
536	if( !is_bool( value ) )
537	return SET_INVALID;
538
539	st = bool2int( value );
540
541	/* Horror.... */
542
543	if( st != set_getbool( &irc->b->set, "away_devoice" ) )
544	{
545	char list[80] = "";
546	user_t *u = irc->users;
547	int i = 0, count = 0;
548	char pm;
549	char v[80];
550
551	if( st )
552	pm = '+';
553	else
554	pm = '-';
555
556	while( u )
557	{
558	if( u->ic && u->online && !u->away )
559	{
560	if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
561	{
562	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
563	irc_write( irc, ":%s MODE %s %c%s%s",
564	irc->myhost,
565	irc->channel, pm, v, list );
566
567	*list = 0;
568	count = 0;
569	}
570
571	sprintf( list + strlen( list ), " %s", u->nick );
572	count ++;
573	}
574	u = u->next;
575	}
576
577	/* $v = 'v' x $i */
578	for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
579	irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
580	irc->channel, pm, v, list );
581	}
582
583	return value;
584	}
585	#endif
586
587	/* The plan is to not allow straight calls to prpl functions anymore, but do
588	them all from some wrappers. We'll start to define some down here: */
589
590	int imc_chat_msg( struct groupchat c, char msg, int flags )
591	{
592	char *buf = NULL;
593
594	if( ( c->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
595	{
596	buf = escape_html( msg );
597	msg = buf;
598	}
599
600	c->ic->acc->prpl->chat_msg( c, msg, flags );
601	g_free( buf );
602
603	return 1;
604	}
605
606	static char imc_away_state_find( GList gcm, char away, char *message );
607
608	int imc_away_send_update( struct im_connection *ic )
609	{
610	char away, msg = NULL;
611
612	if( ic->acc->prpl->away_states == NULL \|\|
613	ic->acc->prpl->set_away == NULL )
614	return 0;
615
616	away = set_getstr( &ic->acc->set, "away" ) ?
617	: set_getstr( &ic->bee->set, "away" );
618	if( away && *away )
619	{
620	GList *m = ic->acc->prpl->away_states( ic );
621	msg = ic->acc->flags & ACC_FLAG_AWAY_MESSAGE ? away : NULL;
622	away = imc_away_state_find( m, away, &msg ) ? : m->data;
623	}
624	else if( ic->acc->flags & ACC_FLAG_STATUS_MESSAGE )
625	{
626	away = NULL;
627	msg = set_getstr( &ic->acc->set, "status" ) ?
628	: set_getstr( &ic->bee->set, "status" );
629	}
630
631	ic->acc->prpl->set_away( ic, away, msg );
632
633	return 1;
634	}
635
636	static char *imc_away_alias_list[8][5] =
637	{
638	{ "Away from computer", "Away", "Extended away", NULL },
639	{ "NA", "N/A", "Not available", NULL },
640	{ "Busy", "Do not disturb", "DND", "Occupied", NULL },
641	{ "Be right back", "BRB", NULL },
642	{ "On the phone", "Phone", "On phone", NULL },
643	{ "Out to lunch", "Lunch", "Food", NULL },
644	{ "Invisible", "Hidden" },
645	{ NULL }
646	};
647
648	static char imc_away_state_find( GList gcm, char away, char *message )
649	{
650	GList *m;
651	int i, j;
652
653	for( m = gcm; m; m = m->next )
654	if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
655	{
656	/* At least the Yahoo! module works better if message
657	contains no data unless it adds something to what
658	we have in state already. */
659	if( strlen( m->data ) == strlen( away ) )
660	*message = NULL;
661
662	return m->data;
663	}
664
665	for( i = 0; *imc_away_alias_list[i]; i ++ )
666	{
667	int keep_message;
668
669	for( j = 0; imc_away_alias_list[i][j]; j ++ )
670	if( g_strncasecmp( away, imc_away_alias_list[i][j], strlen( imc_away_alias_list[i][j] ) ) == 0 )
671	{
672	keep_message = strlen( away ) != strlen( imc_away_alias_list[i][j] );
673	break;
674	}
675
676	if( !imc_away_alias_list[i][j] ) /* If we reach the end, this row */
677	continue; /* is not what we want. Next! */
678
679	/* Now find an entry in this row which exists in gcm */
680	for( j = 0; imc_away_alias_list[i][j]; j ++ )
681	{
682	for( m = gcm; m; m = m->next )
683	if( g_strcasecmp( imc_away_alias_list[i][j], m->data ) == 0 )
684	{
685	if( !keep_message )
686	*message = NULL;
687
688	return imc_away_alias_list[i][j];
689	}
690	}
691
692	/* No need to look further, apparently this state doesn't
693	have any good alias for this protocol. */
694	break;
695	}
696
697	return NULL;
698	}
699
700	void imc_add_allow( struct im_connection ic, char handle )
701	{
702	if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
703	{
704	ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
705	}
706
707	ic->acc->prpl->add_permit( ic, handle );
708	}
709
710	void imc_rem_allow( struct im_connection ic, char handle )
711	{
712	GSList *l;
713
714	if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
715	{
716	g_free( l->data );
717	ic->permit = g_slist_delete_link( ic->permit, l );
718	}
719
720	ic->acc->prpl->rem_permit( ic, handle );
721	}
722
723	void imc_add_block( struct im_connection ic, char handle )
724	{
725	if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
726	{
727	ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
728	}
729
730	ic->acc->prpl->add_deny( ic, handle );
731	}
732
733	void imc_rem_block( struct im_connection ic, char handle )
734	{
735	GSList *l;
736
737	if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
738	{
739	g_free( l->data );
740	ic->deny = g_slist_delete_link( ic->deny, l );
741	}
742
743	ic->acc->prpl->rem_deny( ic, handle );
744	}
745
746	void imcb_clean_handle( struct im_connection ic, char handle )
747	{
748	/* Accepts a handle and does whatever is necessary to make it
749	BitlBee-friendly. Currently this means removing everything
750	outside 33-127 (ASCII printable excl spaces), @ (only one
751	is allowed) and ! and : */
752	char out[strlen(handle)+1];
753	int s, d;
754
755	s = d = 0;
756	while( handle[s] )
757	{
758	if( handle[s] > ' ' && handle[s] != '!' && handle[s] != ':' &&
759	( handle[s] & 0x80 ) == 0 )
760	{
761	if( handle[s] == '@' )
762	{
763	/* See if we got an @ already? */
764	out[d] = 0;
765	if( strchr( out, '@' ) )
766	continue;
767	}
768
769	out[d++] = handle[s];
770	}
771	s ++;
772	}
773	out[d] = handle[s];
774
775	strcpy( handle, out );
776	}

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