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source: protocols/msn/ns.c @ f959495

Last change on this file since f959495 was 911f2eb, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-07-02T23:20:27Z
Added display_name setting for MSN connections. (Should replace the nick command later.)
Property mode set to `100644`
File size: 16.4 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2004 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 "passport.h"
30	#include "md5.h"
31
32	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond );
33	static int msn_ns_command( gpointer data, char **cmd, int num_parts );
34	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts );
35
36	static void msn_auth_got_passport_id( struct passport_reply *rep );
37
38	gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond )
39	{
40	struct gaim_connection *gc = data;
41	struct msn_data *md;
42	char s[1024];
43
44	if( !g_slist_find( msn_connections, gc ) )
45	return FALSE;
46
47	if( source == -1 )
48	{
49	hide_login_progress( gc, "Could not connect to server" );
50	signoff( gc );
51	return FALSE;
52	}
53
54	md = gc->proto_data;
55
56	if( !md->handler )
57	{
58	md->handler = g_new0( struct msn_handler_data, 1 );
59	md->handler->data = gc;
60	md->handler->exec_command = msn_ns_command;
61	md->handler->exec_message = msn_ns_message;
62	}
63	else
64	{
65	if( md->handler->rxq )
66	g_free( md->handler->rxq );
67
68	md->handler->rxlen = 0;
69	}
70
71	md->handler->fd = md->fd;
72	md->handler->rxq = g_new0( char, 1 );
73
74	g_snprintf( s, sizeof( s ), "VER %d MSNP8 CVR0\r\n", ++md->trId );
75	if( msn_write( gc, s, strlen( s ) ) )
76	{
77	gc->inpa = b_input_add( md->fd, GAIM_INPUT_READ, msn_ns_callback, gc );
78	set_login_progress( gc, 1, "Connected to server, waiting for reply" );
79	}
80
81	return FALSE;
82	}
83
84	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond )
85	{
86	struct gaim_connection *gc = data;
87	struct msn_data *md = gc->proto_data;
88
89	if( msn_handler( md->handler ) == -1 ) /* Don't do this on ret == 0, it's already done then. */
90	{
91	hide_login_progress( gc, "Error while reading from server" );
92	signoff( gc );
93
94	return FALSE;
95	}
96	else
97	return TRUE;
98	}
99
100	static int msn_ns_command( gpointer data, char **cmd, int num_parts )
101	{
102	struct gaim_connection *gc = data;
103	struct msn_data *md = gc->proto_data;
104	char buf[1024];
105
106	if( num_parts == 0 )
107	{
108	/* Hrrm... Empty command...? Ignore? */
109	return( 1 );
110	}
111
112	if( strcmp( cmd[0], "VER" ) == 0 )
113	{
114	if( cmd[2] && strncmp( cmd[2], "MSNP8", 5 ) != 0 )
115	{
116	hide_login_progress( gc, "Unsupported protocol" );
117	signoff( gc );
118	return( 0 );
119	}
120
121	g_snprintf( buf, sizeof( buf ), "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
122	++md->trId, gc->username );
123	return( msn_write( gc, buf, strlen( buf ) ) );
124	}
125	else if( strcmp( cmd[0], "CVR" ) == 0 )
126	{
127	/* We don't give a damn about the information we just received */
128	g_snprintf( buf, sizeof( buf ), "USR %d TWN I %s\r\n", ++md->trId, gc->username );
129	return( msn_write( gc, buf, strlen( buf ) ) );
130	}
131	else if( strcmp( cmd[0], "XFR" ) == 0 )
132	{
133	char *server;
134	int port;
135
136	if( num_parts == 6 && strcmp( cmd[2], "NS" ) == 0 )
137	{
138	b_event_remove( gc->inpa );
139	gc->inpa = 0;
140	closesocket( md->fd );
141
142	server = strchr( cmd[3], ':' );
143	if( !server )
144	{
145	hide_login_progress_error( gc, "Syntax error" );
146	signoff( gc );
147	return( 0 );
148	}
149	*server = 0;
150	port = atoi( server + 1 );
151	server = cmd[3];
152
153	set_login_progress( gc, 1, "Transferring to other server" );
154
155	md->fd = proxy_connect( server, port, msn_ns_connected, gc );
156	}
157	else if( num_parts == 6 && strcmp( cmd[2], "SB" ) == 0 )
158	{
159	struct msn_switchboard *sb;
160
161	server = strchr( cmd[3], ':' );
162	if( !server )
163	{
164	hide_login_progress_error( gc, "Syntax error" );
165	signoff( gc );
166	return( 0 );
167	}
168	*server = 0;
169	port = atoi( server + 1 );
170	server = cmd[3];
171
172	if( strcmp( cmd[4], "CKI" ) != 0 )
173	{
174	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
175	signoff( gc );
176	return( 0 );
177	}
178
179	debug( "Connecting to a new switchboard with key %s", cmd[5] );
180	sb = msn_sb_create( gc, server, port, cmd[5], MSN_SB_NEW );
181
182	if( md->msgq )
183	{
184	struct msn_message *m = md->msgq->data;
185	GSList *l;
186
187	sb->who = g_strdup( m->who );
188
189	/* Move all the messages to the first user in the message
190	queue to the switchboard message queue. */
191	l = md->msgq;
192	while( l )
193	{
194	m = l->data;
195	l = l->next;
196	if( strcmp( m->who, sb->who ) == 0 )
197	{
198	sb->msgq = g_slist_append( sb->msgq, m );
199	md->msgq = g_slist_remove( md->msgq, m );
200	}
201	}
202	}
203	}
204	else
205	{
206	hide_login_progress_error( gc, "Syntax error" );
207	signoff( gc );
208	return( 0 );
209	}
210	}
211	else if( strcmp( cmd[0], "USR" ) == 0 )
212	{
213	if( num_parts == 5 && strcmp( cmd[2], "TWN" ) == 0 && strcmp( cmd[3], "S" ) == 0 )
214	{
215	/* Time for some Passport black magic... */
216	if( !passport_get_id( msn_auth_got_passport_id, gc, gc->username, gc->password, cmd[4] ) )
217	{
218	hide_login_progress_error( gc, "Error while contacting Passport server" );
219	signoff( gc );
220	return( 0 );
221	}
222	}
223	else if( num_parts == 7 && strcmp( cmd[2], "OK" ) == 0 )
224	{
225	set_t *s;
226
227	http_decode( cmd[4] );
228
229	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
230	gc->displayname[sizeof(gc->displayname)-1] = 0;
231
232	if( ( s = set_find( &gc->acc->set, "display_name" ) ) )
233	{
234	g_free( s->value );
235	s->value = g_strdup( cmd[4] );
236	}
237
238	set_login_progress( gc, 1, "Authenticated, getting buddy list" );
239
240	g_snprintf( buf, sizeof( buf ), "SYN %d 0\r\n", ++md->trId );
241	return( msn_write( gc, buf, strlen( buf ) ) );
242	}
243	else
244	{
245	hide_login_progress( gc, "Unknown authentication type" );
246	signoff( gc );
247	return( 0 );
248	}
249	}
250	else if( strcmp( cmd[0], "MSG" ) == 0 )
251	{
252	if( num_parts != 4 )
253	{
254	hide_login_progress_error( gc, "Syntax error" );
255	signoff( gc );
256	return( 0 );
257	}
258
259	md->handler->msglen = atoi( cmd[3] );
260
261	if( md->handler->msglen <= 0 )
262	{
263	hide_login_progress_error( gc, "Syntax error" );
264	signoff( gc );
265	return( 0 );
266	}
267	}
268	else if( strcmp( cmd[0], "SYN" ) == 0 )
269	{
270	if( num_parts == 5 )
271	{
272	md->buddycount = atoi( cmd[3] );
273	md->groupcount = atoi( cmd[4] );
274	if( md->groupcount > 0 )
275	md->grouplist = g_new0( char *, md->groupcount );
276
277	if( !*cmd[3] \|\| md->buddycount == 0 )
278	msn_logged_in( gc );
279	}
280	else
281	{
282	/* Hrrm... This SYN reply doesn't really look like something we expected.
283	Let's assume everything is okay. */
284
285	msn_logged_in( gc );
286	}
287	}
288	else if( strcmp( cmd[0], "LST" ) == 0 )
289	{
290	int list;
291
292	if( num_parts != 4 && num_parts != 5 )
293	{
294	hide_login_progress( gc, "Syntax error" );
295	signoff( gc );
296	return( 0 );
297	}
298
299	http_decode( cmd[2] );
300	list = atoi( cmd[3] );
301
302	if( list & 1 ) /* FL */
303	{
304	char *group = NULL;
305	int num;
306
307	if( cmd[4] != NULL && sscanf( cmd[4], "%d", &num ) == 1 )
308	group = md->grouplist[num];
309
310	add_buddy( gc, group, cmd[1], cmd[2] );
311	}
312	if( list & 2 ) /* AL */
313	{
314	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
315	}
316	if( list & 4 ) /* BL */
317	{
318	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
319	}
320	if( list & 8 ) /* RL */
321	{
322	if( ( list & 6 ) == 0 )
323	msn_buddy_ask( gc, cmd[1], cmd[2] );
324	}
325
326	if( --md->buddycount == 0 )
327	{
328	if( gc->flags & OPT_LOGGED_IN )
329	{
330	serv_got_crap( gc, "Successfully transferred to different server" );
331	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
332	return( msn_write( gc, buf, strlen( buf ) ) );
333	}
334	else
335	{
336	msn_logged_in( gc );
337	}
338	}
339	}
340	else if( strcmp( cmd[0], "LSG" ) == 0 )
341	{
342	int num;
343
344	if( num_parts != 4 )
345	{
346	hide_login_progress_error( gc, "Syntax error" );
347	signoff( gc );
348	return( 0 );
349	}
350
351	http_decode( cmd[2] );
352	num = atoi( cmd[1] );
353
354	if( num < md->groupcount )
355	md->grouplist[num] = g_strdup( cmd[2] );
356	}
357	else if( strcmp( cmd[0], "CHL" ) == 0 )
358	{
359	md5_state_t state;
360	md5_byte_t digest[16];
361	int i;
362
363	if( num_parts != 3 )
364	{
365	hide_login_progress_error( gc, "Syntax error" );
366	signoff( gc );
367	return( 0 );
368	}
369
370	md5_init( &state );
371	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
372	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
373	md5_finish( &state, digest );
374
375	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
376	for( i = 0; i < 16; i ++ )
377	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
378
379	return( msn_write( gc, buf, strlen( buf ) ) );
380	}
381	else if( strcmp( cmd[0], "ILN" ) == 0 )
382	{
383	const struct msn_away_state *st;
384
385	if( num_parts != 6 )
386	{
387	hide_login_progress_error( gc, "Syntax error" );
388	signoff( gc );
389	return( 0 );
390	}
391
392	http_decode( cmd[4] );
393	serv_buddy_rename( gc, cmd[3], cmd[4] );
394
395	st = msn_away_state_by_code( cmd[2] );
396	if( !st )
397	{
398	/* FIXME: Warn/Bomb about unknown away state? */
399	st = msn_away_state_list;
400	}
401
402	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
403	}
404	else if( strcmp( cmd[0], "FLN" ) == 0 )
405	{
406	if( cmd[1] )
407	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
408	}
409	else if( strcmp( cmd[0], "NLN" ) == 0 )
410	{
411	const struct msn_away_state *st;
412
413	if( num_parts != 5 )
414	{
415	hide_login_progress_error( gc, "Syntax error" );
416	signoff( gc );
417	return( 0 );
418	}
419
420	http_decode( cmd[3] );
421	serv_buddy_rename( gc, cmd[2], cmd[3] );
422
423	st = msn_away_state_by_code( cmd[1] );
424	if( !st )
425	{
426	/* FIXME: Warn/Bomb about unknown away state? */
427	st = msn_away_state_list;
428	}
429
430	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
431	}
432	else if( strcmp( cmd[0], "RNG" ) == 0 )
433	{
434	struct msn_switchboard *sb;
435	char *server;
436	int session, port;
437
438	if( num_parts != 7 )
439	{
440	hide_login_progress_error( gc, "Syntax error" );
441	signoff( gc );
442	return( 0 );
443	}
444
445	session = atoi( cmd[1] );
446
447	server = strchr( cmd[2], ':' );
448	if( !server )
449	{
450	hide_login_progress_error( gc, "Syntax error" );
451	signoff( gc );
452	return( 0 );
453	}
454	*server = 0;
455	port = atoi( server + 1 );
456	server = cmd[2];
457
458	if( strcmp( cmd[3], "CKI" ) != 0 )
459	{
460	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
461	signoff( gc );
462	return( 0 );
463	}
464
465	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
466
467	sb = msn_sb_create( gc, server, port, cmd[4], session );
468	sb->who = g_strdup( cmd[5] );
469	}
470	else if( strcmp( cmd[0], "ADD" ) == 0 )
471	{
472	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
473	{
474	GSList *l;
475
476	http_decode( cmd[5] );
477
478	if( strchr( cmd[4], '@' ) == NULL )
479	{
480	hide_login_progress_error( gc, "Syntax error" );
481	signoff( gc );
482	return( 0 );
483	}
484
485	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
486	for( l = gc->permit; l; l = l->next )
487	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
488	return( 1 );
489
490	for( l = gc->deny; l; l = l->next )
491	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
492	return( 1 );
493
494	msn_buddy_ask( gc, cmd[4], cmd[5] );
495	}
496	}
497	else if( strcmp( cmd[0], "OUT" ) == 0 )
498	{
499	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
500	{
501	hide_login_progress_error( gc, "Someone else logged in with your account" );
502	gc->wants_to_die = 1;
503	}
504	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
505	{
506	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
507	}
508	else
509	{
510	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
511	}
512
513	signoff( gc );
514	return( 0 );
515	}
516	else if( strcmp( cmd[0], "REA" ) == 0 )
517	{
518	if( num_parts != 5 )
519	{
520	hide_login_progress_error( gc, "Syntax error" );
521	signoff( gc );
522	return( 0 );
523	}
524
525	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
526	{
527	set_t *s;
528
529	http_decode( cmd[4] );
530	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
531	gc->displayname[sizeof(gc->displayname)-1] = 0;
532
533	if( ( s = set_find( &gc->acc->set, "display_name" ) ) )
534	{
535	g_free( s->value );
536	s->value = g_strdup( cmd[4] );
537	}
538	}
539	else
540	{
541	/* This is not supposed to happen, but let's handle it anyway... */
542	http_decode( cmd[4] );
543	serv_buddy_rename( gc, cmd[3], cmd[4] );
544	}
545	}
546	else if( strcmp( cmd[0], "IPG" ) == 0 )
547	{
548	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
549
550	md->handler->msglen = atoi( cmd[1] );
551
552	if( md->handler->msglen <= 0 )
553	{
554	hide_login_progress_error( gc, "Syntax error" );
555	signoff( gc );
556	return( 0 );
557	}
558	}
559	else if( isdigit( cmd[0][0] ) )
560	{
561	int num = atoi( cmd[0] );
562	const struct msn_status_code *err = msn_status_by_number( num );
563
564	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
565	do_error_dialog( gc, buf, "MSN" );
566
567	if( err->flags & STATUS_FATAL )
568	{
569	signoff( gc );
570	return( 0 );
571	}
572	}
573	else
574	{
575	debug( "Received unknown command from main server: %s", cmd[0] );
576	}
577
578	return( 1 );
579	}
580
581	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
582	{
583	struct gaim_connection *gc = data;
584	char *body;
585	int blen = 0;
586
587	if( !num_parts )
588	return( 1 );
589
590	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
591	{
592	body += 4;
593	blen = msglen - ( body - msg );
594	}
595
596	if( strcmp( cmd[0], "MSG" ) == 0 )
597	{
598	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
599	{
600	char *ct = msn_findheader( msg, "Content-Type:", msglen );
601
602	if( !ct )
603	return( 1 );
604
605	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
606	{
607	char *mtype;
608	char *arg1;
609
610	if( !body )
611	return( 1 );
612
613	mtype = msn_findheader( body, "Type:", blen );
614	arg1 = msn_findheader( body, "Arg1:", blen );
615
616	if( mtype && strcmp( mtype, "1" ) == 0 )
617	{
618	if( arg1 )
619	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
620	}
621
622	if( arg1 ) g_free( arg1 );
623	if( mtype ) g_free( mtype );
624	}
625	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
626	{
627	/* We don't care about this profile for now... */
628	}
629	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
630	{
631	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
632	char *folders = msn_findheader( body, "Folders-Unread:", blen );
633
634	if( inbox && folders )
635	{
636	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
637	}
638	}
639	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
640	{
641	char *from = msn_findheader( body, "From-Addr:", blen );
642	char *fromname = msn_findheader( body, "From:", blen );
643
644	if( from && fromname )
645	{
646	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
647	}
648	}
649	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
650	{
651	/* Sorry, but this one really is USELESS */
652	}
653	else
654	{
655	debug( "Can't handle %s packet from notification server", ct );
656	}
657
658	g_free( ct );
659	}
660	}
661
662	return( 1 );
663	}
664
665	static void msn_auth_got_passport_id( struct passport_reply *rep )
666	{
667	struct gaim_connection *gc = rep->data;
668	struct msn_data *md = gc->proto_data;
669	char *key = rep->result;
670	char buf[1024];
671
672	if( key == NULL )
673	{
674	char *err;
675
676	err = g_strdup_printf( "Error during Passport authentication (%s)",
677	rep->error_string ? rep->error_string : "Unknown error" );
678
679	hide_login_progress( gc, err );
680	signoff( gc );
681
682	g_free( err );
683	}
684	else
685	{
686	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
687	msn_write( gc, buf, strlen( buf ) );
688	}
689	}

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