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source: protocols/msn/ns.c @ dd9a51b

Last change on this file since dd9a51b was b7d3cc34, checked in by Wilmer van der Gaast <wilmer@…>, at 2005-11-06T18:23:18Z
Initial repository (0.99 release tree)
Property mode set to `100644`
File size: 15.7 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( gc, gc->username, gc->password, cmd[4], msn_auth_got_passport_id ) )
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
260	if( !*cmd[3] \|\| md->buddycount == 0 )
261	msn_logged_in( gc );
262	}
263	else
264	{
265	/* Hrrm... This SYN reply doesn't really look like something we expected.
266	Let's assume everything is okay. */
267
268	msn_logged_in( gc );
269	}
270	}
271	else if( strcmp( cmd[0], "GTC" ) == 0 )
272	{
273	}
274	else if( strcmp( cmd[0], "BLP" ) == 0 )
275	{
276	}
277	else if( strcmp( cmd[0], "PRP" ) == 0 )
278	{
279	}
280	else if( strcmp( cmd[0], "LSG" ) == 0 )
281	{
282	}
283	else if( strcmp( cmd[0], "LST" ) == 0 )
284	{
285	int list;
286
287	if( num_parts != 4 && num_parts != 5 )
288	{
289	hide_login_progress( gc, "Syntax error" );
290	signoff( gc );
291	return( 0 );
292	}
293
294	http_decode( cmd[2] );
295	list = atoi( cmd[3] );
296
297	if( list & 1 ) /* FL */
298	{
299	add_buddy( gc, NULL, cmd[1], cmd[2] );
300	}
301	if( list & 2 ) /* AL */
302	{
303	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
304	}
305	if( list & 4 ) /* BL */
306	{
307	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
308	}
309	if( list & 8 ) /* RL */
310	{
311	if( ( list & 6 ) == 0 )
312	msn_buddy_ask( gc, cmd[1], cmd[2] );
313	}
314
315	if( --md->buddycount == 0 )
316	{
317	if( gc->flags & OPT_LOGGED_IN )
318	{
319	serv_got_crap( gc, "Successfully transferred to different server" );
320	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
321	return( msn_write( gc, buf, strlen( buf ) ) );
322	}
323	else
324	{
325	msn_logged_in( gc );
326	}
327	}
328	}
329	else if( strcmp( cmd[0], "BPR" ) == 0 )
330	{
331	}
332	else if( strcmp( cmd[0], "CHG" ) == 0 )
333	{
334	}
335	else if( strcmp( cmd[0], "CHL" ) == 0 )
336	{
337	md5_state_t state;
338	md5_byte_t digest[16];
339	int i;
340
341	if( num_parts != 3 )
342	{
343	hide_login_progress_error( gc, "Syntax error" );
344	signoff( gc );
345	return( 0 );
346	}
347
348	md5_init( &state );
349	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
350	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
351	md5_finish( &state, digest );
352
353	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
354	for( i = 0; i < 16; i ++ )
355	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
356
357	return( msn_write( gc, buf, strlen( buf ) ) );
358	}
359	else if( strcmp( cmd[0], "QRY" ) == 0 )
360	{
361	}
362	else if( strcmp( cmd[0], "QNG" ) == 0 )
363	{
364	}
365	else if( strcmp( cmd[0], "ILN" ) == 0 )
366	{
367	struct msn_away_state *st;
368
369	if( num_parts != 6 )
370	{
371	hide_login_progress_error( gc, "Syntax error" );
372	signoff( gc );
373	return( 0 );
374	}
375
376	http_decode( cmd[4] );
377	serv_buddy_rename( gc, cmd[3], cmd[4] );
378
379	st = msn_away_state_by_code( cmd[2] );
380	if( !st )
381	{
382	/* FIXME: Warn/Bomb about unknown away state? */
383	st = msn_away_state_list;
384	}
385
386	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
387	}
388	else if( strcmp( cmd[0], "FLN" ) == 0 )
389	{
390	if( cmd[1] )
391	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
392	}
393	else if( strcmp( cmd[0], "NLN" ) == 0 )
394	{
395	struct msn_away_state *st;
396
397	if( num_parts != 5 )
398	{
399	hide_login_progress_error( gc, "Syntax error" );
400	signoff( gc );
401	return( 0 );
402	}
403
404	http_decode( cmd[3] );
405	serv_buddy_rename( gc, cmd[2], cmd[3] );
406
407	st = msn_away_state_by_code( cmd[1] );
408	if( !st )
409	{
410	/* FIXME: Warn/Bomb about unknown away state? */
411	st = msn_away_state_list;
412	}
413
414	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
415	}
416	else if( strcmp( cmd[0], "RNG" ) == 0 )
417	{
418	struct msn_switchboard *sb;
419	char *server;
420	int session, port;
421
422	if( num_parts != 7 )
423	{
424	hide_login_progress_error( gc, "Syntax error" );
425	signoff( gc );
426	return( 0 );
427	}
428
429	session = atoi( cmd[1] );
430
431	server = strchr( cmd[2], ':' );
432	if( !server )
433	{
434	hide_login_progress_error( gc, "Syntax error" );
435	signoff( gc );
436	return( 0 );
437	}
438	*server = 0;
439	port = atoi( server + 1 );
440	server = cmd[2];
441
442	if( strcmp( cmd[3], "CKI" ) != 0 )
443	{
444	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
445	signoff( gc );
446	return( 0 );
447	}
448
449	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
450
451	sb = msn_sb_create( gc, server, port, cmd[4], session );
452	sb->who = g_strdup( cmd[5] );
453	}
454	else if( strcmp( cmd[0], "ADD" ) == 0 )
455	{
456	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
457	{
458	GSList *l;
459
460	http_decode( cmd[5] );
461
462	if( strchr( cmd[4], '@' ) == NULL )
463	{
464	hide_login_progress_error( gc, "Syntax error" );
465	signoff( gc );
466	return( 0 );
467	}
468
469	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
470	for( l = gc->permit; l; l = l->next )
471	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
472	return( 1 );
473
474	for( l = gc->deny; l; l = l->next )
475	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
476	return( 1 );
477
478	msn_buddy_ask( gc, cmd[4], cmd[5] );
479	}
480	}
481	else if( strcmp( cmd[0], "REM" ) == 0 )
482	{
483	}
484	else if( strcmp( cmd[0], "OUT" ) == 0 )
485	{
486	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
487	{
488	hide_login_progress_error( gc, "Someone else logged in with your account" );
489	gc->wants_to_die = 1;
490	}
491	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
492	{
493	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
494	}
495	else
496	{
497	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
498	}
499
500	signoff( gc );
501	return( 0 );
502	}
503	else if( strcmp( cmd[0], "REA" ) == 0 )
504	{
505	if( num_parts != 5 )
506	{
507	hide_login_progress_error( gc, "Syntax error" );
508	signoff( gc );
509	return( 0 );
510	}
511
512	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
513	{
514	http_decode( cmd[4] );
515	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
516	gc->displayname[sizeof(gc->displayname)-1] = 0;
517	}
518	else
519	{
520	/* This is not supposed to happen, but let's handle it anyway... */
521	http_decode( cmd[4] );
522	serv_buddy_rename( gc, cmd[3], cmd[4] );
523	}
524	}
525	else if( strcmp( cmd[0], "IPG" ) == 0 )
526	{
527	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
528
529	md->handler->msglen = atoi( cmd[1] );
530
531	if( md->handler->msglen <= 0 )
532	{
533	hide_login_progress_error( gc, "Syntax error" );
534	signoff( gc );
535	return( 0 );
536	}
537	}
538	else if( isdigit( cmd[0][0] ) )
539	{
540	int num = atoi( cmd[0] );
541	struct msn_status_code *err = msn_status_by_number( num );
542
543	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
544	do_error_dialog( gc, buf, "MSN" );
545
546	if( err->flags & STATUS_FATAL )
547	{
548	signoff( gc );
549	return( 0 );
550	}
551	}
552	else
553	{
554	debug( "Received unknown command from main server: %s", cmd[0] );
555	}
556
557	return( 1 );
558	}
559
560	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
561	{
562	struct gaim_connection *gc = data;
563	char *body;
564	int blen = 0;
565
566	if( !num_parts )
567	return( 1 );
568
569	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
570	{
571	body += 4;
572	blen = msglen - ( body - msg );
573	}
574
575	if( strcmp( cmd[0], "MSG" ) == 0 )
576	{
577	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
578	{
579	char *ct = msn_findheader( msg, "Content-Type:", msglen );
580
581	if( !ct )
582	return( 1 );
583
584	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
585	{
586	char *mtype;
587	char *arg1;
588
589	if( !body )
590	return( 1 );
591
592	mtype = msn_findheader( body, "Type:", blen );
593	arg1 = msn_findheader( body, "Arg1:", blen );
594
595	if( mtype && strcmp( mtype, "1" ) == 0 )
596	{
597	if( arg1 )
598	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
599	}
600
601	if( arg1 ) g_free( arg1 );
602	if( mtype ) g_free( mtype );
603	}
604	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
605	{
606	/* We don't care about this profile for now... */
607	}
608	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
609	{
610	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
611	char *folders = msn_findheader( body, "Folders-Unread:", blen );
612
613	if( inbox && folders )
614	{
615	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
616	}
617	}
618	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
619	{
620	char *from = msn_findheader( body, "From-Addr:", blen );
621	char *fromname = msn_findheader( body, "From:", blen );
622
623	if( from && fromname )
624	{
625	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
626	}
627	}
628	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
629	{
630	/* Sorry, but this one really is USELESS */
631	}
632	else
633	{
634	debug( "Can't handle %s packet from notification server", ct );
635	}
636
637	g_free( ct );
638	}
639	}
640
641	return( 1 );
642	}
643
644	static void msn_auth_got_passport_id( struct passport_reply *rep )
645	{
646	struct gaim_connection *gc = rep->data;
647	struct msn_data *md = gc->proto_data;
648	char *key = rep->result;
649	char buf[1024];
650
651	if( key == NULL )
652	{
653	hide_login_progress( gc, "Error during Passport authentication" );
654	signoff( gc );
655	}
656	else
657	{
658	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
659	msn_write( gc, buf, strlen( buf ) );
660	}
661	}

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