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source: protocols/msn/ns.c @ 92d3044

Last change on this file since 92d3044 was 4c9d377, checked in by Wilmer van der Gaast <wilmer@…>, at 2012-09-29T19:49:19Z
Suppress own UBM messages.
Property mode set to `100644`
File size: 25.6 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2012 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 <sys/utsname.h>
28	#include "nogaim.h"
29	#include "msn.h"
30	#include "md5.h"
31	#include "sha1.h"
32	#include "soap.h"
33	#include "xmltree.h"
34
35	static gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond );
36	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond );
37	static int msn_ns_command( struct msn_handler_data handler, char *cmd, int num_parts );
38	static int msn_ns_message( struct msn_handler_data handler, char msg, int msglen, char **cmd, int num_parts );
39
40	static void msn_ns_send_adl_start( struct im_connection *ic );
41	static void msn_ns_send_adl( struct im_connection *ic );
42
43	int msn_ns_write( struct im_connection ic, int fd, const char fmt, ... )
44	{
45	struct msn_data *md = ic->proto_data;
46	va_list params;
47	char *out;
48	size_t len;
49	int st;
50
51	va_start( params, fmt );
52	out = g_strdup_vprintf( fmt, params );
53	va_end( params );
54
55	if( fd < 0 )
56	fd = md->ns->fd;
57
58	if( getenv( "BITLBEE_DEBUG" ) )
59	fprintf( stderr, "->NS%d:%s\n", fd, out );
60
61	len = strlen( out );
62	st = write( fd, out, len );
63	g_free( out );
64	if( st != len )
65	{
66	imcb_error( ic, "Short write() to main server" );
67	imc_logout( ic, TRUE );
68	return 0;
69	}
70
71	return 1;
72	}
73
74	gboolean msn_ns_connect( struct im_connection ic, struct msn_handler_data handler, const char *host, int port )
75	{
76	if( handler->fd >= 0 )
77	closesocket( handler->fd );
78
79	handler->exec_command = msn_ns_command;
80	handler->exec_message = msn_ns_message;
81	handler->data = ic;
82	handler->fd = proxy_connect( host, port, msn_ns_connected, handler );
83	if( handler->fd < 0 )
84	{
85	imcb_error( ic, "Could not connect to server" );
86	imc_logout( ic, TRUE );
87	return FALSE;
88	}
89
90	return TRUE;
91	}
92
93	static gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond )
94	{
95	struct msn_handler_data *handler = data;
96	struct im_connection *ic = handler->data;
97	struct msn_data *md;
98
99	if( !g_slist_find( msn_connections, ic ) )
100	return FALSE;
101
102	md = ic->proto_data;
103
104	if( source == -1 )
105	{
106	imcb_error( ic, "Could not connect to server" );
107	imc_logout( ic, TRUE );
108	return FALSE;
109	}
110
111	g_free( handler->rxq );
112	handler->rxlen = 0;
113	handler->rxq = g_new0( char, 1 );
114
115	if( md->uuid == NULL )
116	{
117	struct utsname name;
118	sha1_state_t sha[1];
119
120	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
121	sha1_init( sha );
122	sha1_append( sha, (void*) "BitlBee", 7 );
123	if( uname( &name ) == 0 )
124	{
125	sha1_append( sha, (void*) name.nodename, strlen( name.nodename ) );
126	}
127	sha1_append( sha, (void*) ic->acc->user, strlen( ic->acc->user ) );
128	md->uuid = sha1_random_uuid( sha );
129	memcpy( md->uuid, "b171be3e", 8 ); /* :-P */
130	}
131
132	if( msn_ns_write( ic, source, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER ) )
133	{
134	handler->inpa = b_input_add( handler->fd, B_EV_IO_READ, msn_ns_callback, handler );
135	imcb_log( ic, "Connected to server, waiting for reply" );
136	}
137
138	return FALSE;
139	}
140
141	void msn_ns_close( struct msn_handler_data *handler )
142	{
143	if( handler->fd >= 0 )
144	{
145	closesocket( handler->fd );
146	b_event_remove( handler->inpa );
147	}
148
149	handler->fd = handler->inpa = -1;
150	g_free( handler->rxq );
151	g_free( handler->cmd_text );
152
153	handler->rxlen = 0;
154	handler->rxq = NULL;
155	handler->cmd_text = NULL;
156	}
157
158	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond )
159	{
160	struct msn_handler_data *handler = data;
161	struct im_connection *ic = handler->data;
162
163	if( msn_handler( handler ) == -1 ) /* Don't do this on ret == 0, it's already done then. */
164	{
165	imcb_error( ic, "Error while reading from server" );
166	imc_logout( ic, TRUE );
167
168	return FALSE;
169	}
170	else
171	return TRUE;
172	}
173
174	static int msn_ns_command( struct msn_handler_data handler, char *cmd, int num_parts )
175	{
176	struct im_connection *ic = handler->data;
177	struct msn_data *md = ic->proto_data;
178
179	if( num_parts == 0 )
180	{
181	/* Hrrm... Empty command...? Ignore? */
182	return( 1 );
183	}
184
185	if( strcmp( cmd[0], "VER" ) == 0 )
186	{
187	if( cmd[2] && strncmp( cmd[2], MSNP_VER, 5 ) != 0 )
188	{
189	imcb_error( ic, "Unsupported protocol" );
190	imc_logout( ic, FALSE );
191	return( 0 );
192	}
193
194	return( msn_ns_write( ic, handler->fd, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
195	++md->trId, ic->acc->user ) );
196	}
197	else if( strcmp( cmd[0], "CVR" ) == 0 )
198	{
199	/* We don't give a damn about the information we just received */
200	return msn_ns_write( ic, handler->fd, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user );
201	}
202	else if( strcmp( cmd[0], "XFR" ) == 0 )
203	{
204	char *server;
205	int port;
206
207	if( num_parts >= 6 && strcmp( cmd[2], "NS" ) == 0 )
208	{
209	b_event_remove( handler->inpa );
210	handler->inpa = -1;
211
212	server = strchr( cmd[3], ':' );
213	if( !server )
214	{
215	imcb_error( ic, "Syntax error" );
216	imc_logout( ic, TRUE );
217	return( 0 );
218	}
219	*server = 0;
220	port = atoi( server + 1 );
221	server = cmd[3];
222
223	imcb_log( ic, "Transferring to other server" );
224	return msn_ns_connect( ic, handler, server, port );
225	}
226	else if( num_parts >= 6 && strcmp( cmd[2], "SB" ) == 0 )
227	{
228	struct msn_switchboard *sb;
229
230	server = strchr( cmd[3], ':' );
231	if( !server )
232	{
233	imcb_error( ic, "Syntax error" );
234	imc_logout( ic, TRUE );
235	return( 0 );
236	}
237	*server = 0;
238	port = atoi( server + 1 );
239	server = cmd[3];
240
241	if( strcmp( cmd[4], "CKI" ) != 0 )
242	{
243	imcb_error( ic, "Unknown authentication method for switchboard" );
244	imc_logout( ic, TRUE );
245	return( 0 );
246	}
247
248	debug( "Connecting to a new switchboard with key %s", cmd[5] );
249
250	if( ( sb = msn_sb_create( ic, server, port, cmd[5], MSN_SB_NEW ) ) == NULL )
251	{
252	/* Although this isn't strictly fatal for the NS connection, it's
253	definitely something serious (we ran out of file descriptors?). */
254	imcb_error( ic, "Could not create new switchboard" );
255	imc_logout( ic, TRUE );
256	return( 0 );
257	}
258
259	if( md->msgq )
260	{
261	struct msn_message *m = md->msgq->data;
262	GSList *l;
263
264	sb->who = g_strdup( m->who );
265
266	/* Move all the messages to the first user in the message
267	queue to the switchboard message queue. */
268	l = md->msgq;
269	while( l )
270	{
271	m = l->data;
272	l = l->next;
273	if( strcmp( m->who, sb->who ) == 0 )
274	{
275	sb->msgq = g_slist_append( sb->msgq, m );
276	md->msgq = g_slist_remove( md->msgq, m );
277	}
278	}
279	}
280	}
281	else
282	{
283	imcb_error( ic, "Syntax error" );
284	imc_logout( ic, TRUE );
285	return( 0 );
286	}
287	}
288	else if( strcmp( cmd[0], "USR" ) == 0 )
289	{
290	if( num_parts >= 6 && strcmp( cmd[2], "SSO" ) == 0 &&
291	strcmp( cmd[3], "S" ) == 0 )
292	{
293	g_free( md->pp_policy );
294	md->pp_policy = g_strdup( cmd[4] );
295	msn_soap_passport_sso_request( ic, cmd[5] );
296	}
297	else if( strcmp( cmd[2], "OK" ) == 0 )
298	{
299	/* If the number after the handle is 0, the e-mail
300	address is unverified, which means we can't change
301	the display name. */
302	if( cmd[4][0] == '0' )
303	md->flags \|= MSN_EMAIL_UNVERIFIED;
304
305	imcb_log( ic, "Authenticated, getting buddy list" );
306	msn_soap_memlist_request( ic );
307	}
308	else
309	{
310	imcb_error( ic, "Unknown authentication type" );
311	imc_logout( ic, FALSE );
312	return( 0 );
313	}
314	}
315	else if( strcmp( cmd[0], "MSG" ) == 0 )
316	{
317	if( num_parts < 4 )
318	{
319	imcb_error( ic, "Syntax error" );
320	imc_logout( ic, TRUE );
321	return( 0 );
322	}
323
324	handler->msglen = atoi( cmd[3] );
325
326	if( handler->msglen <= 0 )
327	{
328	imcb_error( ic, "Syntax error" );
329	imc_logout( ic, TRUE );
330	return( 0 );
331	}
332	}
333	else if( strcmp( cmd[0], "BLP" ) == 0 )
334	{
335	msn_ns_send_adl_start( ic );
336	return msn_ns_finish_login( ic );
337	}
338	else if( strcmp( cmd[0], "ADL" ) == 0 )
339	{
340	if( num_parts >= 3 && strcmp( cmd[2], "OK" ) == 0 )
341	{
342	msn_ns_send_adl( ic );
343	return msn_ns_finish_login( ic );
344	}
345	else if( num_parts >= 3 )
346	{
347	handler->msglen = atoi( cmd[2] );
348	}
349	}
350	else if( strcmp( cmd[0], "PRP" ) == 0 )
351	{
352	imcb_connected( ic );
353	}
354	else if( strcmp( cmd[0], "CHL" ) == 0 )
355	{
356	char *resp;
357	int st;
358
359	if( num_parts < 3 )
360	{
361	imcb_error( ic, "Syntax error" );
362	imc_logout( ic, TRUE );
363	return( 0 );
364	}
365
366	resp = msn_p11_challenge( cmd[2] );
367
368	st = msn_ns_write( ic, -1, "QRY %d %s %zd\r\n%s",
369	++md->trId, MSNP11_PROD_ID,
370	strlen( resp ), resp );
371	g_free( resp );
372	return st;
373	}
374	else if( strcmp( cmd[0], "ILN" ) == 0 \|\| strcmp( cmd[0], "NLN" ) == 0 )
375	{
376	const struct msn_away_state *st;
377	const char *handle;
378	int cap = 0;
379
380	if( num_parts < 6 )
381	{
382	imcb_error( ic, "Syntax error" );
383	imc_logout( ic, TRUE );
384	return( 0 );
385	}
386	/* ILN and NLN are more or less the same, except ILN has a trId
387	at the start, and NLN has a capability field at the end.
388	Does ILN still exist BTW? */
389	if( cmd[0][1] == 'I' )
390	cmd ++;
391	else
392	cap = atoi( cmd[4] );
393
394	handle = msn_normalize_handle( cmd[2] );
395	if( strcmp( handle, ic->acc->user ) == 0 )
396	return 1; /* That's me! */
397
398	http_decode( cmd[3] );
399	imcb_rename_buddy( ic, handle, cmd[3] );
400
401	st = msn_away_state_by_code( cmd[1] );
402	if( !st )
403	{
404	/* FIXME: Warn/Bomb about unknown away state? */
405	st = msn_away_state_list + 1;
406	}
407
408	imcb_buddy_status( ic, handle, OPT_LOGGED_IN \|
409	( st != msn_away_state_list ? OPT_AWAY : 0 ) \|
410	( cap & 1 ? OPT_MOBILE : 0 ),
411	st->name, NULL );
412
413	msn_sb_stop_keepalives( msn_sb_by_handle( ic, handle ) );
414	}
415	else if( strcmp( cmd[0], "FLN" ) == 0 )
416	{
417	const char *handle;
418
419	if( cmd[1] == NULL )
420	return 1;
421
422	handle = msn_normalize_handle( cmd[1] );
423	imcb_buddy_status( ic, handle, 0, NULL, NULL );
424	msn_sb_start_keepalives( msn_sb_by_handle( ic, handle ), TRUE );
425	}
426	else if( strcmp( cmd[0], "RNG" ) == 0 )
427	{
428	struct msn_switchboard *sb;
429	char *server;
430	int session, port;
431
432	if( num_parts < 7 )
433	{
434	imcb_error( ic, "Syntax error" );
435	imc_logout( ic, TRUE );
436	return( 0 );
437	}
438
439	session = atoi( cmd[1] );
440
441	server = strchr( cmd[2], ':' );
442	if( !server )
443	{
444	imcb_error( ic, "Syntax error" );
445	imc_logout( ic, TRUE );
446	return( 0 );
447	}
448	*server = 0;
449	port = atoi( server + 1 );
450	server = cmd[2];
451
452	if( strcmp( cmd[3], "CKI" ) != 0 )
453	{
454	imcb_error( ic, "Unknown authentication method for switchboard" );
455	imc_logout( ic, TRUE );
456	return( 0 );
457	}
458
459	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
460
461	if( ( sb = msn_sb_create( ic, server, port, cmd[4], session ) ) == NULL )
462	{
463	/* Although this isn't strictly fatal for the NS connection, it's
464	definitely something serious (we ran out of file descriptors?). */
465	imcb_error( ic, "Could not create new switchboard" );
466	imc_logout( ic, TRUE );
467	return( 0 );
468	}
469	else
470	{
471	sb->who = g_strdup( msn_normalize_handle( cmd[5] ) );
472	}
473	}
474	else if( strcmp( cmd[0], "OUT" ) == 0 )
475	{
476	int allow_reconnect = TRUE;
477
478	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
479	{
480	imcb_error( ic, "Someone else logged in with your account" );
481	allow_reconnect = FALSE;
482	}
483	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
484	{
485	imcb_error( ic, "Terminating session because of server shutdown" );
486	}
487	else
488	{
489	imcb_error( ic, "Session terminated by remote server (%s)",
490	cmd[1] ? cmd[1] : "reason unknown)" );
491	}
492
493	imc_logout( ic, allow_reconnect );
494	return( 0 );
495	}
496	else if( strcmp( cmd[0], "IPG" ) == 0 )
497	{
498	imcb_error( ic, "Received IPG command, we don't handle them yet." );
499
500	handler->msglen = atoi( cmd[1] );
501
502	if( handler->msglen <= 0 )
503	{
504	imcb_error( ic, "Syntax error" );
505	imc_logout( ic, TRUE );
506	return( 0 );
507	}
508	}
509	#if 0
510	else if( strcmp( cmd[0], "ADG" ) == 0 )
511	{
512	char *group = g_strdup( cmd[3] );
513	int groupnum, i;
514	GSList l, next;
515
516	http_decode( group );
517	if( sscanf( cmd[4], "%d", &groupnum ) == 1 )
518	{
519	if( groupnum >= md->groupcount )
520	{
521	md->grouplist = g_renew( char *, md->grouplist, groupnum + 1 );
522	for( i = md->groupcount; i <= groupnum; i ++ )
523	md->grouplist[i] = NULL;
524	md->groupcount = groupnum + 1;
525	}
526	g_free( md->grouplist[groupnum] );
527	md->grouplist[groupnum] = group;
528	}
529	else
530	{
531	/* Shouldn't happen, but if it does, give up on the group. */
532	g_free( group );
533	imcb_error( ic, "Syntax error" );
534	imc_logout( ic, TRUE );
535	return 0;
536	}
537
538	for( l = md->grpq; l; l = next )
539	{
540	struct msn_groupadd *ga = l->data;
541	next = l->next;
542	if( g_strcasecmp( ga->group, group ) == 0 )
543	{
544	if( !msn_buddy_list_add( ic, "FL", ga->who, ga->who, group ) )
545	return 0;
546
547	g_free( ga->group );
548	g_free( ga->who );
549	g_free( ga );
550	md->grpq = g_slist_remove( md->grpq, ga );
551	}
552	}
553	}
554	#endif
555	else if( strcmp( cmd[0], "GCF" ) == 0 )
556	{
557	/* Coming up is cmd[2] bytes of stuff we're supposed to
558	censore. Meh. */
559	handler->msglen = atoi( cmd[2] );
560	}
561	else if( strcmp( cmd[0], "UBX" ) == 0 )
562	{
563	/* Status message. */
564	if( num_parts >= 3 )
565	handler->msglen = atoi( cmd[2] );
566	}
567	else if( strcmp( cmd[0], "NOT" ) == 0 )
568	{
569	/* Some kind of notification, poorly documented but
570	apparently used to announce address book changes. */
571	if( num_parts >= 2 )
572	handler->msglen = atoi( cmd[1] );
573	}
574	else if( strcmp( cmd[0], "UBM" ) == 0 )
575	{
576	if( num_parts >= 7 )
577	handler->msglen = atoi( cmd[6] );
578	}
579	else if( isdigit( cmd[0][0] ) )
580	{
581	int num = atoi( cmd[0] );
582	const struct msn_status_code *err = msn_status_by_number( num );
583
584	imcb_error( ic, "Error reported by MSN server: %s", err->text );
585
586	if( err->flags & STATUS_FATAL )
587	{
588	imc_logout( ic, TRUE );
589	return( 0 );
590	}
591
592	/* Oh yes, errors can have payloads too now. Discard them for now. */
593	if( num_parts >= 3 )
594	handler->msglen = atoi( cmd[2] );
595	}
596	else
597	{
598	/* debug( "Received unknown command from main server: %s", cmd[0] ); */
599	}
600
601	return( 1 );
602	}
603
604	static int msn_ns_message( struct msn_handler_data handler, char msg, int msglen, char **cmd, int num_parts )
605	{
606	struct im_connection *ic = handler->data;
607	char *body;
608	int blen = 0;
609
610	if( !num_parts )
611	return( 1 );
612
613	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
614	{
615	body += 4;
616	blen = msglen - ( body - msg );
617	}
618
619	if( strcmp( cmd[0], "MSG" ) == 0 )
620	{
621	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
622	{
623	char *ct = get_rfc822_header( msg, "Content-Type:", msglen );
624
625	if( !ct )
626	return( 1 );
627
628	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
629	{
630	char *mtype;
631	char *arg1;
632
633	if( !body )
634	return( 1 );
635
636	mtype = get_rfc822_header( body, "Type:", blen );
637	arg1 = get_rfc822_header( body, "Arg1:", blen );
638
639	if( mtype && strcmp( mtype, "1" ) == 0 )
640	{
641	if( arg1 )
642	imcb_log( ic, "The server is going down for maintenance in %s minutes.", arg1 );
643	}
644
645	g_free( arg1 );
646	g_free( mtype );
647	}
648	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
649	{
650	/* We don't care about this profile for now... */
651	}
652	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
653	{
654	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
655	{
656	char *inbox = get_rfc822_header( body, "Inbox-Unread:", blen );
657	char *folders = get_rfc822_header( body, "Folders-Unread:", blen );
658
659	if( inbox && folders )
660	imcb_log( ic, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
661
662	g_free( inbox );
663	g_free( folders );
664	}
665	}
666	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
667	{
668	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
669	{
670	char *from = get_rfc822_header( body, "From-Addr:", blen );
671	char *fromname = get_rfc822_header( body, "From:", blen );
672
673	if( from && fromname )
674	imcb_log( ic, "Received an e-mail message from %s <%s>.", fromname, from );
675
676	g_free( from );
677	g_free( fromname );
678	}
679	}
680	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
681	{
682	}
683	else if( g_strncasecmp( ct, "text/x-msmsgsinitialmdatanotification", 37 ) == 0 \|\|
684	g_strncasecmp( ct, "text/x-msmsgsoimnotification", 28 ) == 0 )
685	{
686	/* We received an offline message. Or at least notification
687	that there is one waiting for us. Fetching the message(s)
688	and purging them from the server is a lot of SOAPy work
689	not worth doing IMHO. Also I thought it was possible to
690	have the notification server send them directly, I was
691	pretty sure I saw Pidgin do it..
692
693	At least give a notification for now, seems like a
694	reasonable thing to do. Only problem is, they'll keep
695	coming back at login time until you read them using a
696	different client. :-( */
697
698	char *xml = get_rfc822_header( body, "Mail-Data:", blen );
699	struct xt_node md, m;
700
701	if( !xml )
702	return 1;
703	md = xt_from_string( xml, 0 );
704	if( !md )
705	return 1;
706
707	for( m = md->children; ( m = xt_find_node( m, "M" ) ); m = m->next )
708	{
709	struct xt_node *e = xt_find_node( m->children, "E" );
710	struct xt_node *rt = xt_find_node( m->children, "RT" );
711	struct tm tp;
712	time_t msgtime = 0;
713
714	if( !e \|\| !e->text )
715	continue;
716
717	memset( &tp, 0, sizeof( tp ) );
718	if( rt && rt->text &&
719	sscanf( rt->text, "%4d-%2d-%2dT%2d:%2d:%2d.",
720	&tp.tm_year, &tp.tm_mon, &tp.tm_mday,
721	&tp.tm_hour, &tp.tm_min, &tp.tm_sec ) == 6 )
722	{
723	tp.tm_year -= 1900;
724	tp.tm_mon --;
725	msgtime = mktime_utc( &tp );
726
727	}
728	imcb_buddy_msg( ic, e->text, "<< \002BitlBee\002 - Received offline message. BitlBee can't show these. >>", 0, msgtime );
729	}
730
731	g_free( xml );
732	xt_free_node( md );
733	}
734	else
735	{
736	debug( "Can't handle %s packet from notification server", ct );
737	}
738
739	g_free( ct );
740	}
741	}
742	else if( strcmp( cmd[0], "UBX" ) == 0 )
743	{
744	struct xt_node ubx, psm;
745	char *psm_text = NULL;
746
747	ubx = xt_from_string( msg, msglen );
748	if( ubx && strcmp( ubx->name, "Data" ) == 0 &&
749	( psm = xt_find_node( ubx->children, "PSM" ) ) )
750	psm_text = psm->text;
751
752	imcb_buddy_status_msg( ic, msn_normalize_handle( cmd[1] ), psm_text );
753	xt_free_node( ubx );
754	}
755	else if( strcmp( cmd[0], "ADL" ) == 0 )
756	{
757	struct xt_node adl, d, *c;
758
759	if( !( adl = xt_from_string( msg, msglen ) ) )
760	return 1;
761
762	for( d = adl->children; d; d = d->next )
763	{
764	char *dn;
765	if( strcmp( d->name, "d" ) != 0 \|\|
766	( dn = xt_find_attr( d, "n" ) ) == NULL )
767	continue;
768	for( c = d->children; c; c = c->next )
769	{
770	bee_user_t *bu;
771	struct msn_buddy_data *bd;
772	char cn, handle, f, l;
773	int flags;
774
775	if( strcmp( c->name, "c" ) != 0 \|\|
776	( l = xt_find_attr( c, "l" ) ) == NULL \|\|
777	( cn = xt_find_attr( c, "n" ) ) == NULL )
778	continue;
779
780	/* FIXME: Use "t" here, guess I should just add it
781	as a prefix like elsewhere in the protocol. */
782	handle = g_strdup_printf( "%s@%s", cn, dn );
783	if( !( ( bu = bee_user_by_handle( ic->bee, ic, handle ) ) \|\|
784	( bu = bee_user_new( ic->bee, ic, handle, 0 ) ) ) )
785	{
786	g_free( handle );
787	continue;
788	}
789	g_free( handle );
790	bd = bu->data;
791
792	if( ( f = xt_find_attr( c, "f" ) ) )
793	{
794	http_decode( f );
795	imcb_rename_buddy( ic, bu->handle, f );
796	}
797
798	flags = atoi( l ) & 15;
799	if( bd->flags != flags )
800	{
801	bd->flags = flags;
802	msn_buddy_ask( bu );
803	}
804	}
805	}
806	}
807	else if( strcmp( cmd[0], "UBM" ) == 0 )
808	{
809	/* This one will give us msgs from federated networks. Technically
810	it should also get us offline messages, but I don't know how
811	I can signal MSN servers to use it. */
812	char ct, handle;
813
814	if( strcmp( cmd[1], ic->acc->user ) == 0 )
815	{
816	/* With MPOP, you'll get copies of your own msgs from other
817	sessions. Discard those at least for now. */
818	return 1;
819	}
820
821	ct = get_rfc822_header( msg, "Content-Type", msglen );
822	if( strncmp( ct, "text/plain", 10 ) != 0 )
823	{
824	/* Typing notification or something? */
825	g_free( ct );
826	return 1;
827	}
828	if( strcmp( cmd[2], "1" ) != 0 )
829	handle = g_strdup_printf( "%s:%s", cmd[2], cmd[1] );
830	else
831	handle = g_strdup( cmd[1] );
832
833	imcb_buddy_msg( ic, handle, body, 0, 0 );
834	g_free( handle );
835	}
836
837	return 1;
838	}
839
840	void msn_auth_got_passport_token( struct im_connection ic, const char token, const char *error )
841	{
842	struct msn_data *md;
843
844	/* Dead connection? */
845	if( g_slist_find( msn_connections, ic ) == NULL )
846	return;
847
848	md = ic->proto_data;
849
850	if( token )
851	{
852	msn_ns_write( ic, -1, "USR %d SSO S %s %s {%s}\r\n", ++md->trId, md->tokens[0], token, md->uuid );
853	}
854	else
855	{
856	imcb_error( ic, "Error during Passport authentication: %s", error );
857	imc_logout( ic, TRUE );
858	}
859	}
860
861	void msn_auth_got_contact_list( struct im_connection *ic )
862	{
863	struct msn_data *md;
864
865	/* Dead connection? */
866	if( g_slist_find( msn_connections, ic ) == NULL )
867	return;
868
869	md = ic->proto_data;
870	msn_ns_write( ic, -1, "BLP %d %s\r\n", ++md->trId, "BL" );
871	}
872
873	static gboolean msn_ns_send_adl_1( gpointer key, gpointer value, gpointer data )
874	{
875	struct xt_node adl = data, d, *c;
876	struct bee_user *bu = value;
877	struct msn_buddy_data *bd = bu->data;
878	struct msn_data *md = bu->ic->proto_data;
879	char handle[strlen(bu->handle)];
880	char *domain;
881	char l[4];
882
883	if( ( bd->flags & 7 ) == 0 \|\| ( bd->flags & MSN_BUDDY_ADL_SYNCED ) )
884	return FALSE;
885
886	strcpy( handle, bu->handle );
887	if( ( domain = strchr( handle, '@' ) ) == NULL ) /* WTF */
888	return FALSE;
889	*domain = '\0';
890	domain ++;
891
892	if( ( d = adl->children ) == NULL \|\|
893	g_strcasecmp( xt_find_attr( d, "n" ), domain ) != 0 )
894	{
895	d = xt_new_node( "d", NULL, NULL );
896	xt_add_attr( d, "n", domain );
897	xt_insert_child( adl, d );
898	}
899
900	g_snprintf( l, sizeof( l ), "%d", bd->flags & 7 );
901	c = xt_new_node( "c", NULL, NULL );
902	xt_add_attr( c, "n", handle );
903	xt_add_attr( c, "l", l );
904	xt_add_attr( c, "t", "1" ); /* FIXME: Network type, i.e. 32 for Y!MSG */
905	xt_insert_child( d, c );
906
907	/* Do this in batches of 100. */
908	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
909	return (--md->adl_todo % 140) == 0;
910	}
911
912	static void msn_ns_send_adl( struct im_connection *ic )
913	{
914	struct xt_node *adl;
915	struct msn_data *md = ic->proto_data;
916	char *adls;
917
918	adl = xt_new_node( "ml", NULL, NULL );
919	xt_add_attr( adl, "l", "1" );
920	g_tree_foreach( md->domaintree, msn_ns_send_adl_1, adl );
921	if( adl->children == NULL )
922	{
923	/* This tells the caller that we're done now. */
924	md->adl_todo = -1;
925	xt_free_node( adl );
926	return;
927	}
928
929	adls = xt_to_string( adl );
930	xt_free_node( adl );
931	msn_ns_write( ic, -1, "ADL %d %zd\r\n%s", ++md->trId, strlen( adls ), adls );
932	g_free( adls );
933	}
934
935	static void msn_ns_send_adl_start( struct im_connection *ic )
936	{
937	struct msn_data *md;
938	GSList *l;
939
940	/* Dead connection? */
941	if( g_slist_find( msn_connections, ic ) == NULL )
942	return;
943
944	md = ic->proto_data;
945	md->adl_todo = 0;
946	for( l = ic->bee->users; l; l = l->next )
947	{
948	bee_user_t *bu = l->data;
949	struct msn_buddy_data *bd = bu->data;
950
951	if( bu->ic != ic \|\| ( bd->flags & 7 ) == 0 )
952	continue;
953
954	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
955	md->adl_todo++;
956	}
957
958	msn_ns_send_adl( ic );
959	}
960
961	int msn_ns_finish_login( struct im_connection *ic )
962	{
963	struct msn_data *md = ic->proto_data;
964
965	if( ic->flags & OPT_LOGGED_IN )
966	return 1;
967
968	if( md->adl_todo < 0 )
969	md->flags \|= MSN_DONE_ADL;
970
971	if( ( md->flags & MSN_DONE_ADL ) && ( md->flags & MSN_GOT_PROFILE ) )
972	{
973	if( md->flags & MSN_EMAIL_UNVERIFIED )
974	imcb_connected( ic );
975	else
976	return msn_ns_set_display_name( ic, set_getstr( &ic->acc->set, "display_name" ) );
977	}
978
979	return 1;
980	}
981
982	int msn_ns_sendmessage( struct im_connection ic, bee_user_t bu, const char *text )
983	{
984	struct msn_data *md = ic->proto_data;
985	int type = 0;
986	char buf, handle;
987
988	if( strncmp( text, "\r\r\r", 3 ) == 0 )
989	/* Err. Shouldn't happen but I guess it can. Don't send others
990	any of the "SHAKE THAT THING" messages. :-D */
991	return 1;
992
993	/* This might be a federated contact. Get its network number,
994	prefixed to bu->handle with a colon. Default is 1. */
995	for( handle = bu->handle; isdigit( *handle ); handle ++ )
996	type = type * 10 + *handle - '0';
997	if( *handle == ':' )
998	handle ++;
999	else
1000	type = 1;
1001
1002	buf = g_strdup_printf( "%s%s", MSN_MESSAGE_HEADERS, text );
1003
1004	if( msn_ns_write( ic, -1, "UUM %d %s %d %d %zd\r\n%s",
1005	++md->trId, handle, type,
1006	1, /* type == IM (not nudge/typing) */
1007	strlen( buf ), buf ) )
1008	return 1;
1009	else
1010	return 0;
1011	}
1012
1013	void msn_ns_oim_send_queue( struct im_connection ic, GSList *msgq )
1014	{
1015	GSList *l;
1016
1017	for( l = *msgq; l; l = l->next )
1018	{
1019	struct msn_message *m = l->data;
1020	bee_user_t *bu = bee_user_by_handle( ic->bee, ic, m->who );
1021
1022	if( bu )
1023	if( !msn_ns_sendmessage( ic, bu, m->text ) )
1024	return;
1025	}
1026
1027	while( *msgq != NULL )
1028	{
1029	struct msn_message m = (msgq)->data;
1030
1031	g_free( m->who );
1032	g_free( m->text );
1033	g_free( m );
1034
1035	msgq = g_slist_remove( msgq, m );
1036	}
1037	}

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