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source: protocols/msn/ns.c @ 7a685f1

Last change on this file since 7a685f1 was ba9edaa, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-05-10T17:34:46Z
Moved everything to the BitlBee event handling API.
Property mode set to `100644`
File size: 16.0 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	http_decode( cmd[4] );
226
227	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
228	gc->displayname[sizeof(gc->displayname)-1] = 0;
229
230	set_login_progress( gc, 1, "Authenticated, getting buddy list" );
231
232	g_snprintf( buf, sizeof( buf ), "SYN %d 0\r\n", ++md->trId );
233	return( msn_write( gc, buf, strlen( buf ) ) );
234	}
235	else
236	{
237	hide_login_progress( gc, "Unknown authentication type" );
238	signoff( gc );
239	return( 0 );
240	}
241	}
242	else if( strcmp( cmd[0], "MSG" ) == 0 )
243	{
244	if( num_parts != 4 )
245	{
246	hide_login_progress_error( gc, "Syntax error" );
247	signoff( gc );
248	return( 0 );
249	}
250
251	md->handler->msglen = atoi( cmd[3] );
252
253	if( md->handler->msglen <= 0 )
254	{
255	hide_login_progress_error( gc, "Syntax error" );
256	signoff( gc );
257	return( 0 );
258	}
259	}
260	else if( strcmp( cmd[0], "SYN" ) == 0 )
261	{
262	if( num_parts == 5 )
263	{
264	md->buddycount = atoi( cmd[3] );
265	md->groupcount = atoi( cmd[4] );
266	if( md->groupcount > 0 )
267	md->grouplist = g_new0( char *, md->groupcount );
268
269	if( !*cmd[3] \|\| md->buddycount == 0 )
270	msn_logged_in( gc );
271	}
272	else
273	{
274	/* Hrrm... This SYN reply doesn't really look like something we expected.
275	Let's assume everything is okay. */
276
277	msn_logged_in( gc );
278	}
279	}
280	else if( strcmp( cmd[0], "LST" ) == 0 )
281	{
282	int list;
283
284	if( num_parts != 4 && num_parts != 5 )
285	{
286	hide_login_progress( gc, "Syntax error" );
287	signoff( gc );
288	return( 0 );
289	}
290
291	http_decode( cmd[2] );
292	list = atoi( cmd[3] );
293
294	if( list & 1 ) /* FL */
295	{
296	char *group = NULL;
297	int num;
298
299	if( cmd[4] != NULL && sscanf( cmd[4], "%d", &num ) == 1 )
300	group = md->grouplist[num];
301
302	add_buddy( gc, group, cmd[1], cmd[2] );
303	}
304	if( list & 2 ) /* AL */
305	{
306	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
307	}
308	if( list & 4 ) /* BL */
309	{
310	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
311	}
312	if( list & 8 ) /* RL */
313	{
314	if( ( list & 6 ) == 0 )
315	msn_buddy_ask( gc, cmd[1], cmd[2] );
316	}
317
318	if( --md->buddycount == 0 )
319	{
320	if( gc->flags & OPT_LOGGED_IN )
321	{
322	serv_got_crap( gc, "Successfully transferred to different server" );
323	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
324	return( msn_write( gc, buf, strlen( buf ) ) );
325	}
326	else
327	{
328	msn_logged_in( gc );
329	}
330	}
331	}
332	else if( strcmp( cmd[0], "LSG" ) == 0 )
333	{
334	int num;
335
336	if( num_parts != 4 )
337	{
338	hide_login_progress_error( gc, "Syntax error" );
339	signoff( gc );
340	return( 0 );
341	}
342
343	http_decode( cmd[2] );
344	num = atoi( cmd[1] );
345
346	if( num < md->groupcount )
347	md->grouplist[num] = g_strdup( cmd[2] );
348	}
349	else if( strcmp( cmd[0], "CHL" ) == 0 )
350	{
351	md5_state_t state;
352	md5_byte_t digest[16];
353	int i;
354
355	if( num_parts != 3 )
356	{
357	hide_login_progress_error( gc, "Syntax error" );
358	signoff( gc );
359	return( 0 );
360	}
361
362	md5_init( &state );
363	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
364	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
365	md5_finish( &state, digest );
366
367	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
368	for( i = 0; i < 16; i ++ )
369	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
370
371	return( msn_write( gc, buf, strlen( buf ) ) );
372	}
373	else if( strcmp( cmd[0], "ILN" ) == 0 )
374	{
375	const struct msn_away_state *st;
376
377	if( num_parts != 6 )
378	{
379	hide_login_progress_error( gc, "Syntax error" );
380	signoff( gc );
381	return( 0 );
382	}
383
384	http_decode( cmd[4] );
385	serv_buddy_rename( gc, cmd[3], cmd[4] );
386
387	st = msn_away_state_by_code( cmd[2] );
388	if( !st )
389	{
390	/* FIXME: Warn/Bomb about unknown away state? */
391	st = msn_away_state_list;
392	}
393
394	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
395	}
396	else if( strcmp( cmd[0], "FLN" ) == 0 )
397	{
398	if( cmd[1] )
399	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
400	}
401	else if( strcmp( cmd[0], "NLN" ) == 0 )
402	{
403	const struct msn_away_state *st;
404
405	if( num_parts != 5 )
406	{
407	hide_login_progress_error( gc, "Syntax error" );
408	signoff( gc );
409	return( 0 );
410	}
411
412	http_decode( cmd[3] );
413	serv_buddy_rename( gc, cmd[2], cmd[3] );
414
415	st = msn_away_state_by_code( cmd[1] );
416	if( !st )
417	{
418	/* FIXME: Warn/Bomb about unknown away state? */
419	st = msn_away_state_list;
420	}
421
422	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
423	}
424	else if( strcmp( cmd[0], "RNG" ) == 0 )
425	{
426	struct msn_switchboard *sb;
427	char *server;
428	int session, port;
429
430	if( num_parts != 7 )
431	{
432	hide_login_progress_error( gc, "Syntax error" );
433	signoff( gc );
434	return( 0 );
435	}
436
437	session = atoi( cmd[1] );
438
439	server = strchr( cmd[2], ':' );
440	if( !server )
441	{
442	hide_login_progress_error( gc, "Syntax error" );
443	signoff( gc );
444	return( 0 );
445	}
446	*server = 0;
447	port = atoi( server + 1 );
448	server = cmd[2];
449
450	if( strcmp( cmd[3], "CKI" ) != 0 )
451	{
452	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
453	signoff( gc );
454	return( 0 );
455	}
456
457	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
458
459	sb = msn_sb_create( gc, server, port, cmd[4], session );
460	sb->who = g_strdup( cmd[5] );
461	}
462	else if( strcmp( cmd[0], "ADD" ) == 0 )
463	{
464	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
465	{
466	GSList *l;
467
468	http_decode( cmd[5] );
469
470	if( strchr( cmd[4], '@' ) == NULL )
471	{
472	hide_login_progress_error( gc, "Syntax error" );
473	signoff( gc );
474	return( 0 );
475	}
476
477	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
478	for( l = gc->permit; l; l = l->next )
479	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
480	return( 1 );
481
482	for( l = gc->deny; l; l = l->next )
483	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
484	return( 1 );
485
486	msn_buddy_ask( gc, cmd[4], cmd[5] );
487	}
488	}
489	else if( strcmp( cmd[0], "OUT" ) == 0 )
490	{
491	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
492	{
493	hide_login_progress_error( gc, "Someone else logged in with your account" );
494	gc->wants_to_die = 1;
495	}
496	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
497	{
498	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
499	}
500	else
501	{
502	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
503	}
504
505	signoff( gc );
506	return( 0 );
507	}
508	else if( strcmp( cmd[0], "REA" ) == 0 )
509	{
510	if( num_parts != 5 )
511	{
512	hide_login_progress_error( gc, "Syntax error" );
513	signoff( gc );
514	return( 0 );
515	}
516
517	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
518	{
519	http_decode( cmd[4] );
520	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
521	gc->displayname[sizeof(gc->displayname)-1] = 0;
522	}
523	else
524	{
525	/* This is not supposed to happen, but let's handle it anyway... */
526	http_decode( cmd[4] );
527	serv_buddy_rename( gc, cmd[3], cmd[4] );
528	}
529	}
530	else if( strcmp( cmd[0], "IPG" ) == 0 )
531	{
532	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
533
534	md->handler->msglen = atoi( cmd[1] );
535
536	if( md->handler->msglen <= 0 )
537	{
538	hide_login_progress_error( gc, "Syntax error" );
539	signoff( gc );
540	return( 0 );
541	}
542	}
543	else if( isdigit( cmd[0][0] ) )
544	{
545	int num = atoi( cmd[0] );
546	const struct msn_status_code *err = msn_status_by_number( num );
547
548	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
549	do_error_dialog( gc, buf, "MSN" );
550
551	if( err->flags & STATUS_FATAL )
552	{
553	signoff( gc );
554	return( 0 );
555	}
556	}
557	else
558	{
559	debug( "Received unknown command from main server: %s", cmd[0] );
560	}
561
562	return( 1 );
563	}
564
565	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
566	{
567	struct gaim_connection *gc = data;
568	char *body;
569	int blen = 0;
570
571	if( !num_parts )
572	return( 1 );
573
574	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
575	{
576	body += 4;
577	blen = msglen - ( body - msg );
578	}
579
580	if( strcmp( cmd[0], "MSG" ) == 0 )
581	{
582	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
583	{
584	char *ct = msn_findheader( msg, "Content-Type:", msglen );
585
586	if( !ct )
587	return( 1 );
588
589	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
590	{
591	char *mtype;
592	char *arg1;
593
594	if( !body )
595	return( 1 );
596
597	mtype = msn_findheader( body, "Type:", blen );
598	arg1 = msn_findheader( body, "Arg1:", blen );
599
600	if( mtype && strcmp( mtype, "1" ) == 0 )
601	{
602	if( arg1 )
603	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
604	}
605
606	if( arg1 ) g_free( arg1 );
607	if( mtype ) g_free( mtype );
608	}
609	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
610	{
611	/* We don't care about this profile for now... */
612	}
613	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
614	{
615	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
616	char *folders = msn_findheader( body, "Folders-Unread:", blen );
617
618	if( inbox && folders )
619	{
620	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
621	}
622	}
623	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
624	{
625	char *from = msn_findheader( body, "From-Addr:", blen );
626	char *fromname = msn_findheader( body, "From:", blen );
627
628	if( from && fromname )
629	{
630	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
631	}
632	}
633	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
634	{
635	/* Sorry, but this one really is USELESS */
636	}
637	else
638	{
639	debug( "Can't handle %s packet from notification server", ct );
640	}
641
642	g_free( ct );
643	}
644	}
645
646	return( 1 );
647	}
648
649	static void msn_auth_got_passport_id( struct passport_reply *rep )
650	{
651	struct gaim_connection *gc = rep->data;
652	struct msn_data *md = gc->proto_data;
653	char *key = rep->result;
654	char buf[1024];
655
656	if( key == NULL )
657	{
658	hide_login_progress( gc, "Error during Passport authentication" );
659	signoff( gc );
660	}
661	else
662	{
663	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
664	msn_write( gc, buf, strlen( buf ) );
665	}
666	}

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