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source: protocols/msn/ns.c @ 9a0ee1a

Last change on this file since 9a0ee1a was 9066974, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-10-23T03:05:48Z
Fixed some still-leaky code in the MSN incoming status message handling.
Property mode set to `100644`
File size: 20.8 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	/* MSN module - Notification server callbacks */
8
9	/*
10	This program is free software; you can redistribute it and/or modify
11	it under the terms of the GNU General Public License as published by
12	the Free Software Foundation; either version 2 of the License, or
13	(at your option) any later version.
14
15	This program is distributed in the hope that it will be useful,
16	but WITHOUT ANY WARRANTY; without even the implied warranty of
17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18	GNU General Public License for more details.
19
20	You should have received a copy of the GNU General Public License with
21	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
22	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
23	Suite 330, Boston, MA 02111-1307 USA
24	*/
25
26	#include <ctype.h>
27	#include "nogaim.h"
28	#include "msn.h"
29	#include "md5.h"
30	#include "soap.h"
31	#include "xmltree.h"
32
33	static gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond );
34	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond );
35	static int msn_ns_command( struct msn_handler_data handler, char *cmd, int num_parts );
36	static int msn_ns_message( struct msn_handler_data handler, char msg, int msglen, char **cmd, int num_parts );
37
38	static void msn_ns_send_adl_start( struct im_connection *ic );
39	static void msn_ns_send_adl( struct im_connection *ic );
40
41	int msn_ns_write( struct im_connection ic, int fd, const char fmt, ... )
42	{
43	struct msn_data *md = ic->proto_data;
44	va_list params;
45	char *out;
46	size_t len;
47	int st;
48
49	va_start( params, fmt );
50	out = g_strdup_vprintf( fmt, params );
51	va_end( params );
52
53	if( fd < 0 )
54	fd = md->ns->fd;
55
56	if( getenv( "BITLBEE_DEBUG" ) )
57	fprintf( stderr, "->NS%d:%s", fd, out );
58
59	len = strlen( out );
60	st = write( fd, out, len );
61	g_free( out );
62	if( st != len )
63	{
64	imcb_error( ic, "Short write() to main server" );
65	imc_logout( ic, TRUE );
66	return 0;
67	}
68
69	return 1;
70	}
71
72	gboolean msn_ns_connect( struct im_connection ic, struct msn_handler_data handler, const char *host, int port )
73	{
74	if( handler->fd >= 0 )
75	closesocket( handler->fd );
76
77	handler->exec_command = msn_ns_command;
78	handler->exec_message = msn_ns_message;
79	handler->data = ic;
80	handler->fd = proxy_connect( host, port, msn_ns_connected, handler );
81	if( handler->fd < 0 )
82	{
83	imcb_error( ic, "Could not connect to server" );
84	imc_logout( ic, TRUE );
85	return FALSE;
86	}
87
88	return TRUE;
89	}
90
91	static gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond )
92	{
93	struct msn_handler_data *handler = data;
94	struct im_connection *ic = handler->data;
95	struct msn_data *md;
96
97	if( !g_slist_find( msn_connections, ic ) )
98	return FALSE;
99
100	md = ic->proto_data;
101
102	if( source == -1 )
103	{
104	imcb_error( ic, "Could not connect to server" );
105	imc_logout( ic, TRUE );
106	return FALSE;
107	}
108
109	g_free( handler->rxq );
110	handler->rxlen = 0;
111	handler->rxq = g_new0( char, 1 );
112
113	if( msn_ns_write( ic, source, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER ) )
114	{
115	handler->inpa = b_input_add( handler->fd, B_EV_IO_READ, msn_ns_callback, handler );
116	imcb_log( ic, "Connected to server, waiting for reply" );
117	}
118
119	return FALSE;
120	}
121
122	void msn_ns_close( struct msn_handler_data *handler )
123	{
124	if( handler->fd >= 0 )
125	{
126	closesocket( handler->fd );
127	b_event_remove( handler->inpa );
128	}
129
130	handler->fd = handler->inpa = -1;
131	g_free( handler->rxq );
132	g_free( handler->cmd_text );
133
134	handler->rxlen = 0;
135	handler->rxq = NULL;
136	handler->cmd_text = NULL;
137	}
138
139	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond )
140	{
141	struct msn_handler_data *handler = data;
142	struct im_connection *ic = handler->data;
143
144	if( msn_handler( handler ) == -1 ) /* Don't do this on ret == 0, it's already done then. */
145	{
146	imcb_error( ic, "Error while reading from server" );
147	imc_logout( ic, TRUE );
148
149	return FALSE;
150	}
151	else
152	return TRUE;
153	}
154
155	static int msn_ns_command( struct msn_handler_data handler, char *cmd, int num_parts )
156	{
157	struct im_connection *ic = handler->data;
158	struct msn_data *md = ic->proto_data;
159
160	if( num_parts == 0 )
161	{
162	/* Hrrm... Empty command...? Ignore? */
163	return( 1 );
164	}
165
166	if( strcmp( cmd[0], "VER" ) == 0 )
167	{
168	if( cmd[2] && strncmp( cmd[2], MSNP_VER, 5 ) != 0 )
169	{
170	imcb_error( ic, "Unsupported protocol" );
171	imc_logout( ic, FALSE );
172	return( 0 );
173	}
174
175	return( msn_ns_write( ic, handler->fd, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
176	++md->trId, ic->acc->user ) );
177	}
178	else if( strcmp( cmd[0], "CVR" ) == 0 )
179	{
180	/* We don't give a damn about the information we just received */
181	return msn_ns_write( ic, handler->fd, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user );
182	}
183	else if( strcmp( cmd[0], "XFR" ) == 0 )
184	{
185	char *server;
186	int port;
187
188	if( num_parts >= 6 && strcmp( cmd[2], "NS" ) == 0 )
189	{
190	b_event_remove( handler->inpa );
191	handler->inpa = -1;
192
193	server = strchr( cmd[3], ':' );
194	if( !server )
195	{
196	imcb_error( ic, "Syntax error" );
197	imc_logout( ic, TRUE );
198	return( 0 );
199	}
200	*server = 0;
201	port = atoi( server + 1 );
202	server = cmd[3];
203
204	imcb_log( ic, "Transferring to other server" );
205	return msn_ns_connect( ic, handler, server, port );
206	}
207	else if( num_parts >= 6 && strcmp( cmd[2], "SB" ) == 0 )
208	{
209	struct msn_switchboard *sb;
210
211	server = strchr( cmd[3], ':' );
212	if( !server )
213	{
214	imcb_error( ic, "Syntax error" );
215	imc_logout( ic, TRUE );
216	return( 0 );
217	}
218	*server = 0;
219	port = atoi( server + 1 );
220	server = cmd[3];
221
222	if( strcmp( cmd[4], "CKI" ) != 0 )
223	{
224	imcb_error( ic, "Unknown authentication method for switchboard" );
225	imc_logout( ic, TRUE );
226	return( 0 );
227	}
228
229	debug( "Connecting to a new switchboard with key %s", cmd[5] );
230
231	if( ( sb = msn_sb_create( ic, server, port, cmd[5], MSN_SB_NEW ) ) == NULL )
232	{
233	/* Although this isn't strictly fatal for the NS connection, it's
234	definitely something serious (we ran out of file descriptors?). */
235	imcb_error( ic, "Could not create new switchboard" );
236	imc_logout( ic, TRUE );
237	return( 0 );
238	}
239
240	if( md->msgq )
241	{
242	struct msn_message *m = md->msgq->data;
243	GSList *l;
244
245	sb->who = g_strdup( m->who );
246
247	/* Move all the messages to the first user in the message
248	queue to the switchboard message queue. */
249	l = md->msgq;
250	while( l )
251	{
252	m = l->data;
253	l = l->next;
254	if( strcmp( m->who, sb->who ) == 0 )
255	{
256	sb->msgq = g_slist_append( sb->msgq, m );
257	md->msgq = g_slist_remove( md->msgq, m );
258	}
259	}
260	}
261	}
262	else
263	{
264	imcb_error( ic, "Syntax error" );
265	imc_logout( ic, TRUE );
266	return( 0 );
267	}
268	}
269	else if( strcmp( cmd[0], "USR" ) == 0 )
270	{
271	if( num_parts >= 6 && strcmp( cmd[2], "SSO" ) == 0 &&
272	strcmp( cmd[3], "S" ) == 0 )
273	{
274	g_free( md->pp_policy );
275	md->pp_policy = g_strdup( cmd[4] );
276	msn_soap_passport_sso_request( ic, cmd[5] );
277	}
278	else if( strcmp( cmd[2], "OK" ) == 0 )
279	{
280	imcb_log( ic, "Authenticated, getting buddy list" );
281	msn_soap_memlist_request( ic );
282	}
283	else
284	{
285	imcb_error( ic, "Unknown authentication type" );
286	imc_logout( ic, FALSE );
287	return( 0 );
288	}
289	}
290	else if( strcmp( cmd[0], "MSG" ) == 0 )
291	{
292	if( num_parts < 4 )
293	{
294	imcb_error( ic, "Syntax error" );
295	imc_logout( ic, TRUE );
296	return( 0 );
297	}
298
299	handler->msglen = atoi( cmd[3] );
300
301	if( handler->msglen <= 0 )
302	{
303	imcb_error( ic, "Syntax error" );
304	imc_logout( ic, TRUE );
305	return( 0 );
306	}
307	}
308	else if( strcmp( cmd[0], "BLP" ) == 0 )
309	{
310	msn_ns_send_adl_start( ic );
311	return msn_ns_finish_login( ic );
312	}
313	else if( strcmp( cmd[0], "ADL" ) == 0 )
314	{
315	if( num_parts >= 3 && strcmp( cmd[2], "OK" ) == 0 )
316	{
317	msn_ns_send_adl( ic );
318	return msn_ns_finish_login( ic );
319	}
320	else if( num_parts >= 3 )
321	{
322	handler->msglen = atoi( cmd[2] );
323	}
324	}
325	else if( strcmp( cmd[0], "PRP" ) == 0 )
326	{
327	imcb_connected( ic );
328	}
329	else if( strcmp( cmd[0], "CHL" ) == 0 )
330	{
331	char *resp;
332	int st;
333
334	if( num_parts < 3 )
335	{
336	imcb_error( ic, "Syntax error" );
337	imc_logout( ic, TRUE );
338	return( 0 );
339	}
340
341	resp = msn_p11_challenge( cmd[2] );
342
343	st = msn_ns_write( ic, -1, "QRY %d %s %zd\r\n%s",
344	++md->trId, MSNP11_PROD_ID,
345	strlen( resp ), resp );
346	g_free( resp );
347	return st;
348	}
349	else if( strcmp( cmd[0], "ILN" ) == 0 )
350	{
351	const struct msn_away_state *st;
352
353	if( num_parts < 6 )
354	{
355	imcb_error( ic, "Syntax error" );
356	imc_logout( ic, TRUE );
357	return( 0 );
358	}
359
360	http_decode( cmd[5] );
361	imcb_rename_buddy( ic, cmd[3], cmd[5] );
362
363	st = msn_away_state_by_code( cmd[2] );
364	if( !st )
365	{
366	/* FIXME: Warn/Bomb about unknown away state? */
367	st = msn_away_state_list + 1;
368	}
369
370	imcb_buddy_status( ic, cmd[3], OPT_LOGGED_IN \|
371	( st != msn_away_state_list ? OPT_AWAY : 0 ),
372	st->name, NULL );
373	}
374	else if( strcmp( cmd[0], "FLN" ) == 0 )
375	{
376	if( cmd[1] == NULL )
377	return 1;
378
379	imcb_buddy_status( ic, cmd[1], 0, NULL, NULL );
380
381	msn_sb_start_keepalives( msn_sb_by_handle( ic, cmd[1] ), TRUE );
382	}
383	else if( strcmp( cmd[0], "NLN" ) == 0 )
384	{
385	const struct msn_away_state *st;
386	int cap;
387
388	if( num_parts < 6 )
389	{
390	imcb_error( ic, "Syntax error" );
391	imc_logout( ic, TRUE );
392	return( 0 );
393	}
394
395	http_decode( cmd[4] );
396	cap = atoi( cmd[5] );
397	imcb_rename_buddy( ic, cmd[2], cmd[4] );
398
399	st = msn_away_state_by_code( cmd[1] );
400	if( !st )
401	{
402	/* FIXME: Warn/Bomb about unknown away state? */
403	st = msn_away_state_list + 1;
404	}
405
406	imcb_buddy_status( ic, cmd[2], OPT_LOGGED_IN \|
407	( st != msn_away_state_list ? OPT_AWAY : 0 ) \|
408	( cap & 1 ? OPT_MOBILE : 0 ),
409	st->name, NULL );
410
411	msn_sb_stop_keepalives( msn_sb_by_handle( ic, cmd[2] ) );
412	}
413	else if( strcmp( cmd[0], "RNG" ) == 0 )
414	{
415	struct msn_switchboard *sb;
416	char *server;
417	int session, port;
418
419	if( num_parts < 7 )
420	{
421	imcb_error( ic, "Syntax error" );
422	imc_logout( ic, TRUE );
423	return( 0 );
424	}
425
426	session = atoi( cmd[1] );
427
428	server = strchr( cmd[2], ':' );
429	if( !server )
430	{
431	imcb_error( ic, "Syntax error" );
432	imc_logout( ic, TRUE );
433	return( 0 );
434	}
435	*server = 0;
436	port = atoi( server + 1 );
437	server = cmd[2];
438
439	if( strcmp( cmd[3], "CKI" ) != 0 )
440	{
441	imcb_error( ic, "Unknown authentication method for switchboard" );
442	imc_logout( ic, TRUE );
443	return( 0 );
444	}
445
446	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
447
448	if( ( sb = msn_sb_create( ic, server, port, cmd[4], session ) ) == NULL )
449	{
450	/* Although this isn't strictly fatal for the NS connection, it's
451	definitely something serious (we ran out of file descriptors?). */
452	imcb_error( ic, "Could not create new switchboard" );
453	imc_logout( ic, TRUE );
454	return( 0 );
455	}
456	else
457	{
458	sb->who = g_strdup( cmd[5] );
459	}
460	}
461	else if( strcmp( cmd[0], "OUT" ) == 0 )
462	{
463	int allow_reconnect = TRUE;
464
465	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
466	{
467	imcb_error( ic, "Someone else logged in with your account" );
468	allow_reconnect = FALSE;
469	}
470	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
471	{
472	imcb_error( ic, "Terminating session because of server shutdown" );
473	}
474	else
475	{
476	imcb_error( ic, "Session terminated by remote server (reason unknown)" );
477	}
478
479	imc_logout( ic, allow_reconnect );
480	return( 0 );
481	}
482	else if( strcmp( cmd[0], "IPG" ) == 0 )
483	{
484	imcb_error( ic, "Received IPG command, we don't handle them yet." );
485
486	handler->msglen = atoi( cmd[1] );
487
488	if( handler->msglen <= 0 )
489	{
490	imcb_error( ic, "Syntax error" );
491	imc_logout( ic, TRUE );
492	return( 0 );
493	}
494	}
495	#if 0
496	else if( strcmp( cmd[0], "ADG" ) == 0 )
497	{
498	char *group = g_strdup( cmd[3] );
499	int groupnum, i;
500	GSList l, next;
501
502	http_decode( group );
503	if( sscanf( cmd[4], "%d", &groupnum ) == 1 )
504	{
505	if( groupnum >= md->groupcount )
506	{
507	md->grouplist = g_renew( char *, md->grouplist, groupnum + 1 );
508	for( i = md->groupcount; i <= groupnum; i ++ )
509	md->grouplist[i] = NULL;
510	md->groupcount = groupnum + 1;
511	}
512	g_free( md->grouplist[groupnum] );
513	md->grouplist[groupnum] = group;
514	}
515	else
516	{
517	/* Shouldn't happen, but if it does, give up on the group. */
518	g_free( group );
519	imcb_error( ic, "Syntax error" );
520	imc_logout( ic, TRUE );
521	return 0;
522	}
523
524	for( l = md->grpq; l; l = next )
525	{
526	struct msn_groupadd *ga = l->data;
527	next = l->next;
528	if( g_strcasecmp( ga->group, group ) == 0 )
529	{
530	if( !msn_buddy_list_add( ic, "FL", ga->who, ga->who, group ) )
531	return 0;
532
533	g_free( ga->group );
534	g_free( ga->who );
535	g_free( ga );
536	md->grpq = g_slist_remove( md->grpq, ga );
537	}
538	}
539	}
540	#endif
541	else if( strcmp( cmd[0], "GCF" ) == 0 )
542	{
543	/* Coming up is cmd[2] bytes of stuff we're supposed to
544	censore. Meh. */
545	handler->msglen = atoi( cmd[2] );
546	}
547	else if( strcmp( cmd[0], "UBX" ) == 0 )
548	{
549	/* Status message. */
550	if( num_parts >= 4 )
551	handler->msglen = atoi( cmd[3] );
552	}
553	else if( strcmp( cmd[0], "NOT" ) == 0 )
554	{
555	/* Some kind of notification, poorly documented but
556	apparently used to announce address book changes. */
557	if( num_parts >= 2 )
558	handler->msglen = atoi( cmd[1] );
559	}
560	else if( isdigit( cmd[0][0] ) )
561	{
562	int num = atoi( cmd[0] );
563	const struct msn_status_code *err = msn_status_by_number( num );
564
565	imcb_error( ic, "Error reported by MSN server: %s", err->text );
566
567	if( err->flags & STATUS_FATAL )
568	{
569	imc_logout( ic, TRUE );
570	return( 0 );
571	}
572
573	/* Oh yes, errors can have payloads too now. Discard them for now. */
574	if( num_parts >= 3 )
575	handler->msglen = atoi( cmd[2] );
576	}
577	else
578	{
579	/* debug( "Received unknown command from main server: %s", cmd[0] ); */
580	}
581
582	return( 1 );
583	}
584
585	static int msn_ns_message( struct msn_handler_data handler, char msg, int msglen, char **cmd, int num_parts )
586	{
587	struct im_connection *ic = handler->data;
588	char *body;
589	int blen = 0;
590
591	if( !num_parts )
592	return( 1 );
593
594	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
595	{
596	body += 4;
597	blen = msglen - ( body - msg );
598	}
599
600	if( strcmp( cmd[0], "MSG" ) == 0 )
601	{
602	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
603	{
604	char *ct = msn_findheader( msg, "Content-Type:", msglen );
605
606	if( !ct )
607	return( 1 );
608
609	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
610	{
611	char *mtype;
612	char *arg1;
613
614	if( !body )
615	return( 1 );
616
617	mtype = msn_findheader( body, "Type:", blen );
618	arg1 = msn_findheader( body, "Arg1:", blen );
619
620	if( mtype && strcmp( mtype, "1" ) == 0 )
621	{
622	if( arg1 )
623	imcb_log( ic, "The server is going down for maintenance in %s minutes.", arg1 );
624	}
625
626	g_free( arg1 );
627	g_free( mtype );
628	}
629	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
630	{
631	/* We don't care about this profile for now... */
632	}
633	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
634	{
635	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
636	{
637	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
638	char *folders = msn_findheader( body, "Folders-Unread:", blen );
639
640	if( inbox && folders )
641	imcb_log( ic, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
642
643	g_free( inbox );
644	g_free( folders );
645	}
646	}
647	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
648	{
649	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
650	{
651	char *from = msn_findheader( body, "From-Addr:", blen );
652	char *fromname = msn_findheader( body, "From:", blen );
653
654	if( from && fromname )
655	imcb_log( ic, "Received an e-mail message from %s <%s>.", fromname, from );
656
657	g_free( from );
658	g_free( fromname );
659	}
660	}
661	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
662	{
663	/* Sorry, but this one really is USELESS */
664	}
665	else
666	{
667	debug( "Can't handle %s packet from notification server", ct );
668	}
669
670	g_free( ct );
671	}
672	}
673	else if( strcmp( cmd[0], "UBX" ) == 0 )
674	{
675	struct xt_node ubx, psm;
676	char *psm_text = NULL;
677
678	ubx = xt_from_string( msg );
679	if( ubx && strcmp( ubx->name, "Data" ) == 0 &&
680	( psm = xt_find_node( ubx->children, "PSM" ) ) )
681	psm_text = psm->text;
682
683	imcb_buddy_status_msg( ic, cmd[1], psm_text );
684	xt_free_node( ubx );
685	}
686	else if( strcmp( cmd[0], "ADL" ) == 0 )
687	{
688	struct xt_node adl, d, *c;
689
690	if( !( adl = xt_from_string( msg ) ) )
691	return 1;
692
693	for( d = adl->children; d; d = d->next )
694	{
695	char *dn;
696	if( strcmp( d->name, "d" ) != 0 \|\|
697	( dn = xt_find_attr( d, "n" ) ) == NULL )
698	continue;
699	for( c = d->children; c; c = c->next )
700	{
701	bee_user_t *bu;
702	struct msn_buddy_data *bd;
703	char cn, handle, f, l;
704	int flags;
705
706	if( strcmp( c->name, "c" ) != 0 \|\|
707	( l = xt_find_attr( c, "l" ) ) == NULL \|\|
708	( cn = xt_find_attr( c, "n" ) ) == NULL )
709	continue;
710
711	handle = g_strdup_printf( "%s@%s", cn, dn );
712	if( !( ( bu = bee_user_by_handle( ic->bee, ic, handle ) ) \|\|
713	( bu = bee_user_new( ic->bee, ic, handle, 0 ) ) ) )
714	{
715	g_free( handle );
716	continue;
717	}
718	g_free( handle );
719	bd = bu->data;
720
721	if( ( f = xt_find_attr( c, "f" ) ) )
722	{
723	http_decode( f );
724	imcb_rename_buddy( ic, bu->handle, f );
725	}
726
727	flags = atoi( l ) & 15;
728	if( bd->flags != flags )
729	{
730	bd->flags = flags;
731	msn_buddy_ask( bu );
732	}
733	}
734	}
735	}
736
737	return( 1 );
738	}
739
740	void msn_auth_got_passport_token( struct im_connection ic, const char token, const char *error )
741	{
742	struct msn_data *md;
743
744	/* Dead connection? */
745	if( g_slist_find( msn_connections, ic ) == NULL )
746	return;
747
748	md = ic->proto_data;
749
750	if( token )
751	{
752	msn_ns_write( ic, -1, "USR %d SSO S %s %s\r\n", ++md->trId, md->tokens[0], token );
753	}
754	else
755	{
756	imcb_error( ic, "Error during Passport authentication: %s", error );
757	imc_logout( ic, TRUE );
758	}
759	}
760
761	void msn_auth_got_contact_list( struct im_connection *ic )
762	{
763	struct msn_data *md;
764
765	/* Dead connection? */
766	if( g_slist_find( msn_connections, ic ) == NULL )
767	return;
768
769	md = ic->proto_data;
770	msn_ns_write( ic, -1, "BLP %d %s\r\n", ++md->trId, "BL" );
771	}
772
773	static gboolean msn_ns_send_adl_1( gpointer key, gpointer value, gpointer data )
774	{
775	struct xt_node adl = data, d, *c;
776	struct bee_user *bu = value;
777	struct msn_buddy_data *bd = bu->data;
778	struct msn_data *md = bu->ic->proto_data;
779	char handle[strlen(bu->handle)];
780	char *domain;
781	char l[4];
782
783	if( ( bd->flags & 7 ) == 0 \|\| ( bd->flags & MSN_BUDDY_ADL_SYNCED ) )
784	return FALSE;
785
786	strcpy( handle, bu->handle );
787	if( ( domain = strchr( handle, '@' ) ) == NULL ) /* WTF */
788	return FALSE;
789	*domain = '\0';
790	domain ++;
791
792	if( ( d = adl->children ) == NULL \|\|
793	g_strcasecmp( xt_find_attr( d, "n" ), domain ) != 0 )
794	{
795	d = xt_new_node( "d", NULL, NULL );
796	xt_add_attr( d, "n", domain );
797	xt_insert_child( adl, d );
798	}
799
800	g_snprintf( l, sizeof( l ), "%d", bd->flags & 7 );
801	c = xt_new_node( "c", NULL, NULL );
802	xt_add_attr( c, "n", handle );
803	xt_add_attr( c, "l", l );
804	xt_add_attr( c, "t", "1" ); /* 1 means normal, 4 means mobile? */
805	xt_insert_child( d, c );
806
807	/* Do this in batches of 100. */
808	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
809	return (--md->adl_todo % 140) == 0;
810	}
811
812	static void msn_ns_send_adl( struct im_connection *ic )
813	{
814	struct xt_node *adl;
815	struct msn_data *md = ic->proto_data;
816	char *adls;
817
818	adl = xt_new_node( "ml", NULL, NULL );
819	xt_add_attr( adl, "l", "1" );
820	g_tree_foreach( md->domaintree, msn_ns_send_adl_1, adl );
821	if( adl->children == NULL )
822	{
823	/* This tells the caller that we're done now. */
824	md->adl_todo = -1;
825	xt_free_node( adl );
826	return;
827	}
828
829	adls = xt_to_string( adl );
830	xt_free_node( adl );
831	msn_ns_write( ic, -1, "ADL %d %zd\r\n%s", ++md->trId, strlen( adls ), adls );
832	g_free( adls );
833	}
834
835	static void msn_ns_send_adl_start( struct im_connection *ic )
836	{
837	struct msn_data *md;
838	GSList *l;
839
840	/* Dead connection? */
841	if( g_slist_find( msn_connections, ic ) == NULL )
842	return;
843
844	md = ic->proto_data;
845	md->adl_todo = 0;
846	for( l = ic->bee->users; l; l = l->next )
847	{
848	bee_user_t *bu = l->data;
849	struct msn_buddy_data *bd = bu->data;
850
851	if( bu->ic != ic \|\| ( bd->flags & 7 ) == 0 )
852	continue;
853
854	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
855	md->adl_todo++;
856	}
857
858	msn_ns_send_adl( ic );
859	}
860
861	int msn_ns_finish_login( struct im_connection *ic )
862	{
863	struct msn_data *md = ic->proto_data;
864
865	if( ic->flags & OPT_LOGGED_IN )
866	return 1;
867
868	if( md->adl_todo < 0 )
869	md->flags \|= MSN_DONE_ADL;
870
871	if( ( md->flags & MSN_DONE_ADL ) && ( md->flags & MSN_GOT_PROFILE ) )
872	return msn_ns_set_display_name( ic, set_getstr( &ic->acc->set, "display_name" ) );
873	else
874	return 1;
875	}

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