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source: protocols/msn/ns.c @ 79b6213

Last change on this file since 79b6213 was a2582c8, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-05-26T22:44:48Z
Added error_string variable to Passport client.
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 void msn_ns_callback( gpointer data, gint source, GaimInputCondition 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	void msn_ns_connected( gpointer data, gint source, GaimInputCondition 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;
46
47	if( source == -1 )
48	{
49	hide_login_progress( gc, "Could not connect to server" );
50	signoff( gc );
51	return;
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 = gaim_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
82	void msn_ns_callback( gpointer data, gint source, GaimInputCondition cond )
83	{
84	struct gaim_connection *gc = data;
85	struct msn_data *md = gc->proto_data;
86
87	if( msn_handler( md->handler ) == -1 ) /* Don't do this on ret == 0, it's already done then. */
88	{
89	hide_login_progress( gc, "Error while reading from server" );
90	signoff( gc );
91	}
92	}
93
94	static int msn_ns_command( gpointer data, char **cmd, int num_parts )
95	{
96	struct gaim_connection *gc = data;
97	struct msn_data *md = gc->proto_data;
98	char buf[1024];
99
100	if( num_parts == 0 )
101	{
102	/* Hrrm... Empty command...? Ignore? */
103	return( 1 );
104	}
105
106	if( strcmp( cmd[0], "VER" ) == 0 )
107	{
108	if( cmd[2] && strncmp( cmd[2], "MSNP8", 5 ) != 0 )
109	{
110	hide_login_progress( gc, "Unsupported protocol" );
111	signoff( gc );
112	return( 0 );
113	}
114
115	g_snprintf( buf, sizeof( buf ), "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
116	++md->trId, gc->username );
117	return( msn_write( gc, buf, strlen( buf ) ) );
118	}
119	else if( strcmp( cmd[0], "CVR" ) == 0 )
120	{
121	/* We don't give a damn about the information we just received */
122	g_snprintf( buf, sizeof( buf ), "USR %d TWN I %s\r\n", ++md->trId, gc->username );
123	return( msn_write( gc, buf, strlen( buf ) ) );
124	}
125	else if( strcmp( cmd[0], "XFR" ) == 0 )
126	{
127	char *server;
128	int port;
129
130	if( num_parts == 6 && strcmp( cmd[2], "NS" ) == 0 )
131	{
132	gaim_input_remove( gc->inpa );
133	gc->inpa = 0;
134	closesocket( md->fd );
135
136	server = strchr( cmd[3], ':' );
137	if( !server )
138	{
139	hide_login_progress_error( gc, "Syntax error" );
140	signoff( gc );
141	return( 0 );
142	}
143	*server = 0;
144	port = atoi( server + 1 );
145	server = cmd[3];
146
147	set_login_progress( gc, 1, "Transferring to other server" );
148
149	md->fd = proxy_connect( server, port, msn_ns_connected, gc );
150	}
151	else if( num_parts == 6 && strcmp( cmd[2], "SB" ) == 0 )
152	{
153	struct msn_switchboard *sb;
154
155	server = strchr( cmd[3], ':' );
156	if( !server )
157	{
158	hide_login_progress_error( gc, "Syntax error" );
159	signoff( gc );
160	return( 0 );
161	}
162	*server = 0;
163	port = atoi( server + 1 );
164	server = cmd[3];
165
166	if( strcmp( cmd[4], "CKI" ) != 0 )
167	{
168	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
169	signoff( gc );
170	return( 0 );
171	}
172
173	debug( "Connecting to a new switchboard with key %s", cmd[5] );
174	sb = msn_sb_create( gc, server, port, cmd[5], MSN_SB_NEW );
175
176	if( md->msgq )
177	{
178	struct msn_message *m = md->msgq->data;
179	GSList *l;
180
181	sb->who = g_strdup( m->who );
182
183	/* Move all the messages to the first user in the message
184	queue to the switchboard message queue. */
185	l = md->msgq;
186	while( l )
187	{
188	m = l->data;
189	l = l->next;
190	if( strcmp( m->who, sb->who ) == 0 )
191	{
192	sb->msgq = g_slist_append( sb->msgq, m );
193	md->msgq = g_slist_remove( md->msgq, m );
194	}
195	}
196	}
197	}
198	else
199	{
200	hide_login_progress_error( gc, "Syntax error" );
201	signoff( gc );
202	return( 0 );
203	}
204	}
205	else if( strcmp( cmd[0], "USR" ) == 0 )
206	{
207	if( num_parts == 5 && strcmp( cmd[2], "TWN" ) == 0 && strcmp( cmd[3], "S" ) == 0 )
208	{
209	/* Time for some Passport black magic... */
210	if( !passport_get_id( msn_auth_got_passport_id, gc, gc->username, gc->password, cmd[4] ) )
211	{
212	hide_login_progress_error( gc, "Error while contacting Passport server" );
213	signoff( gc );
214	return( 0 );
215	}
216	}
217	else if( num_parts == 7 && strcmp( cmd[2], "OK" ) == 0 )
218	{
219	http_decode( cmd[4] );
220
221	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
222	gc->displayname[sizeof(gc->displayname)-1] = 0;
223
224	set_login_progress( gc, 1, "Authenticated, getting buddy list" );
225
226	g_snprintf( buf, sizeof( buf ), "SYN %d 0\r\n", ++md->trId );
227	return( msn_write( gc, buf, strlen( buf ) ) );
228	}
229	else
230	{
231	hide_login_progress( gc, "Unknown authentication type" );
232	signoff( gc );
233	return( 0 );
234	}
235	}
236	else if( strcmp( cmd[0], "MSG" ) == 0 )
237	{
238	if( num_parts != 4 )
239	{
240	hide_login_progress_error( gc, "Syntax error" );
241	signoff( gc );
242	return( 0 );
243	}
244
245	md->handler->msglen = atoi( cmd[3] );
246
247	if( md->handler->msglen <= 0 )
248	{
249	hide_login_progress_error( gc, "Syntax error" );
250	signoff( gc );
251	return( 0 );
252	}
253	}
254	else if( strcmp( cmd[0], "SYN" ) == 0 )
255	{
256	if( num_parts == 5 )
257	{
258	md->buddycount = atoi( cmd[3] );
259	md->groupcount = atoi( cmd[4] );
260	if( md->groupcount > 0 )
261	md->grouplist = g_new0( char *, md->groupcount );
262
263	if( !*cmd[3] \|\| md->buddycount == 0 )
264	msn_logged_in( gc );
265	}
266	else
267	{
268	/* Hrrm... This SYN reply doesn't really look like something we expected.
269	Let's assume everything is okay. */
270
271	msn_logged_in( gc );
272	}
273	}
274	else if( strcmp( cmd[0], "LST" ) == 0 )
275	{
276	int list;
277
278	if( num_parts != 4 && num_parts != 5 )
279	{
280	hide_login_progress( gc, "Syntax error" );
281	signoff( gc );
282	return( 0 );
283	}
284
285	http_decode( cmd[2] );
286	list = atoi( cmd[3] );
287
288	if( list & 1 ) /* FL */
289	{
290	char *group = NULL;
291	int num;
292
293	if( cmd[4] != NULL && sscanf( cmd[4], "%d", &num ) == 1 )
294	group = md->grouplist[num];
295
296	add_buddy( gc, group, cmd[1], cmd[2] );
297	}
298	if( list & 2 ) /* AL */
299	{
300	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
301	}
302	if( list & 4 ) /* BL */
303	{
304	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
305	}
306	if( list & 8 ) /* RL */
307	{
308	if( ( list & 6 ) == 0 )
309	msn_buddy_ask( gc, cmd[1], cmd[2] );
310	}
311
312	if( --md->buddycount == 0 )
313	{
314	if( gc->flags & OPT_LOGGED_IN )
315	{
316	serv_got_crap( gc, "Successfully transferred to different server" );
317	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
318	return( msn_write( gc, buf, strlen( buf ) ) );
319	}
320	else
321	{
322	msn_logged_in( gc );
323	}
324	}
325	}
326	else if( strcmp( cmd[0], "LSG" ) == 0 )
327	{
328	int num;
329
330	if( num_parts != 4 )
331	{
332	hide_login_progress_error( gc, "Syntax error" );
333	signoff( gc );
334	return( 0 );
335	}
336
337	http_decode( cmd[2] );
338	num = atoi( cmd[1] );
339
340	if( num < md->groupcount )
341	md->grouplist[num] = g_strdup( cmd[2] );
342	}
343	else if( strcmp( cmd[0], "CHL" ) == 0 )
344	{
345	md5_state_t state;
346	md5_byte_t digest[16];
347	int i;
348
349	if( num_parts != 3 )
350	{
351	hide_login_progress_error( gc, "Syntax error" );
352	signoff( gc );
353	return( 0 );
354	}
355
356	md5_init( &state );
357	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
358	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
359	md5_finish( &state, digest );
360
361	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
362	for( i = 0; i < 16; i ++ )
363	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
364
365	return( msn_write( gc, buf, strlen( buf ) ) );
366	}
367	else if( strcmp( cmd[0], "ILN" ) == 0 )
368	{
369	const struct msn_away_state *st;
370
371	if( num_parts != 6 )
372	{
373	hide_login_progress_error( gc, "Syntax error" );
374	signoff( gc );
375	return( 0 );
376	}
377
378	http_decode( cmd[4] );
379	serv_buddy_rename( gc, cmd[3], cmd[4] );
380
381	st = msn_away_state_by_code( cmd[2] );
382	if( !st )
383	{
384	/* FIXME: Warn/Bomb about unknown away state? */
385	st = msn_away_state_list;
386	}
387
388	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
389	}
390	else if( strcmp( cmd[0], "FLN" ) == 0 )
391	{
392	if( cmd[1] )
393	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
394	}
395	else if( strcmp( cmd[0], "NLN" ) == 0 )
396	{
397	const struct msn_away_state *st;
398
399	if( num_parts != 5 )
400	{
401	hide_login_progress_error( gc, "Syntax error" );
402	signoff( gc );
403	return( 0 );
404	}
405
406	http_decode( cmd[3] );
407	serv_buddy_rename( gc, cmd[2], cmd[3] );
408
409	st = msn_away_state_by_code( cmd[1] );
410	if( !st )
411	{
412	/* FIXME: Warn/Bomb about unknown away state? */
413	st = msn_away_state_list;
414	}
415
416	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
417	}
418	else if( strcmp( cmd[0], "RNG" ) == 0 )
419	{
420	struct msn_switchboard *sb;
421	char *server;
422	int session, port;
423
424	if( num_parts != 7 )
425	{
426	hide_login_progress_error( gc, "Syntax error" );
427	signoff( gc );
428	return( 0 );
429	}
430
431	session = atoi( cmd[1] );
432
433	server = strchr( cmd[2], ':' );
434	if( !server )
435	{
436	hide_login_progress_error( gc, "Syntax error" );
437	signoff( gc );
438	return( 0 );
439	}
440	*server = 0;
441	port = atoi( server + 1 );
442	server = cmd[2];
443
444	if( strcmp( cmd[3], "CKI" ) != 0 )
445	{
446	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
447	signoff( gc );
448	return( 0 );
449	}
450
451	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
452
453	sb = msn_sb_create( gc, server, port, cmd[4], session );
454	sb->who = g_strdup( cmd[5] );
455	}
456	else if( strcmp( cmd[0], "ADD" ) == 0 )
457	{
458	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
459	{
460	GSList *l;
461
462	http_decode( cmd[5] );
463
464	if( strchr( cmd[4], '@' ) == NULL )
465	{
466	hide_login_progress_error( gc, "Syntax error" );
467	signoff( gc );
468	return( 0 );
469	}
470
471	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
472	for( l = gc->permit; l; l = l->next )
473	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
474	return( 1 );
475
476	for( l = gc->deny; l; l = l->next )
477	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
478	return( 1 );
479
480	msn_buddy_ask( gc, cmd[4], cmd[5] );
481	}
482	}
483	else if( strcmp( cmd[0], "OUT" ) == 0 )
484	{
485	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
486	{
487	hide_login_progress_error( gc, "Someone else logged in with your account" );
488	gc->wants_to_die = 1;
489	}
490	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
491	{
492	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
493	}
494	else
495	{
496	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
497	}
498
499	signoff( gc );
500	return( 0 );
501	}
502	else if( strcmp( cmd[0], "REA" ) == 0 )
503	{
504	if( num_parts != 5 )
505	{
506	hide_login_progress_error( gc, "Syntax error" );
507	signoff( gc );
508	return( 0 );
509	}
510
511	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
512	{
513	http_decode( cmd[4] );
514	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
515	gc->displayname[sizeof(gc->displayname)-1] = 0;
516	}
517	else
518	{
519	/* This is not supposed to happen, but let's handle it anyway... */
520	http_decode( cmd[4] );
521	serv_buddy_rename( gc, cmd[3], cmd[4] );
522	}
523	}
524	else if( strcmp( cmd[0], "IPG" ) == 0 )
525	{
526	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
527
528	md->handler->msglen = atoi( cmd[1] );
529
530	if( md->handler->msglen <= 0 )
531	{
532	hide_login_progress_error( gc, "Syntax error" );
533	signoff( gc );
534	return( 0 );
535	}
536	}
537	else if( isdigit( cmd[0][0] ) )
538	{
539	int num = atoi( cmd[0] );
540	const struct msn_status_code *err = msn_status_by_number( num );
541
542	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
543	do_error_dialog( gc, buf, "MSN" );
544
545	if( err->flags & STATUS_FATAL )
546	{
547	signoff( gc );
548	return( 0 );
549	}
550	}
551	else
552	{
553	debug( "Received unknown command from main server: %s", cmd[0] );
554	}
555
556	return( 1 );
557	}
558
559	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
560	{
561	struct gaim_connection *gc = data;
562	char *body;
563	int blen = 0;
564
565	if( !num_parts )
566	return( 1 );
567
568	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
569	{
570	body += 4;
571	blen = msglen - ( body - msg );
572	}
573
574	if( strcmp( cmd[0], "MSG" ) == 0 )
575	{
576	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
577	{
578	char *ct = msn_findheader( msg, "Content-Type:", msglen );
579
580	if( !ct )
581	return( 1 );
582
583	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
584	{
585	char *mtype;
586	char *arg1;
587
588	if( !body )
589	return( 1 );
590
591	mtype = msn_findheader( body, "Type:", blen );
592	arg1 = msn_findheader( body, "Arg1:", blen );
593
594	if( mtype && strcmp( mtype, "1" ) == 0 )
595	{
596	if( arg1 )
597	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
598	}
599
600	if( arg1 ) g_free( arg1 );
601	if( mtype ) g_free( mtype );
602	}
603	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
604	{
605	/* We don't care about this profile for now... */
606	}
607	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
608	{
609	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
610	char *folders = msn_findheader( body, "Folders-Unread:", blen );
611
612	if( inbox && folders )
613	{
614	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
615	}
616	}
617	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
618	{
619	char *from = msn_findheader( body, "From-Addr:", blen );
620	char *fromname = msn_findheader( body, "From:", blen );
621
622	if( from && fromname )
623	{
624	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
625	}
626	}
627	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
628	{
629	/* Sorry, but this one really is USELESS */
630	}
631	else
632	{
633	debug( "Can't handle %s packet from notification server", ct );
634	}
635
636	g_free( ct );
637	}
638	}
639
640	return( 1 );
641	}
642
643	static void msn_auth_got_passport_id( struct passport_reply *rep )
644	{
645	struct gaim_connection *gc = rep->data;
646	struct msn_data *md = gc->proto_data;
647	char *key = rep->result;
648	char buf[1024];
649
650	if( key == NULL )
651	{
652	char *err;
653
654	err = g_strdup_printf( "Error during Passport authentication (%s)",
655	rep->error_string ? rep->error_string : "Unknown error" );
656
657	hide_login_progress( gc, err );
658	signoff( gc );
659
660	g_free( err );
661	}
662	else
663	{
664	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
665	msn_write( gc, buf, strlen( buf ) );
666	}
667	}

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