Context Navigation

source: protocols/msn/ns.c @ bc736cfa

Last change on this file since bc736cfa was bc736cfa, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-03-21T08:00:12Z
Basic handling of LSG responses.
Property mode set to `100644`
File size: 15.8 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	add_buddy( gc, NULL, cmd[1], cmd[2] );
291	}
292	if( list & 2 ) /* AL */
293	{
294	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
295	}
296	if( list & 4 ) /* BL */
297	{
298	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
299	}
300	if( list & 8 ) /* RL */
301	{
302	if( ( list & 6 ) == 0 )
303	msn_buddy_ask( gc, cmd[1], cmd[2] );
304	}
305
306	if( --md->buddycount == 0 )
307	{
308	if( gc->flags & OPT_LOGGED_IN )
309	{
310	serv_got_crap( gc, "Successfully transferred to different server" );
311	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
312	return( msn_write( gc, buf, strlen( buf ) ) );
313	}
314	else
315	{
316	msn_logged_in( gc );
317	}
318	}
319	}
320	else if( strcmp( cmd[0], "LSG" ) == 0 )
321	{
322	int num;
323
324	if( num_parts != 4 )
325	{
326	hide_login_progress_error( gc, "Syntax error" );
327	signoff( gc );
328	return( 0 );
329	}
330
331	http_decode( cmd[2] );
332	num = atoi( cmd[1] );
333
334	if( num < md->groupcount )
335	md->grouplist[num] = g_strdup( cmd[2] );
336	}
337	else if( strcmp( cmd[0], "CHL" ) == 0 )
338	{
339	md5_state_t state;
340	md5_byte_t digest[16];
341	int i;
342
343	if( num_parts != 3 )
344	{
345	hide_login_progress_error( gc, "Syntax error" );
346	signoff( gc );
347	return( 0 );
348	}
349
350	md5_init( &state );
351	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
352	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
353	md5_finish( &state, digest );
354
355	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
356	for( i = 0; i < 16; i ++ )
357	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
358
359	return( msn_write( gc, buf, strlen( buf ) ) );
360	}
361	else if( strcmp( cmd[0], "ILN" ) == 0 )
362	{
363	const struct msn_away_state *st;
364
365	if( num_parts != 6 )
366	{
367	hide_login_progress_error( gc, "Syntax error" );
368	signoff( gc );
369	return( 0 );
370	}
371
372	http_decode( cmd[4] );
373	serv_buddy_rename( gc, cmd[3], cmd[4] );
374
375	st = msn_away_state_by_code( cmd[2] );
376	if( !st )
377	{
378	/* FIXME: Warn/Bomb about unknown away state? */
379	st = msn_away_state_list;
380	}
381
382	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
383	}
384	else if( strcmp( cmd[0], "FLN" ) == 0 )
385	{
386	if( cmd[1] )
387	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
388	}
389	else if( strcmp( cmd[0], "NLN" ) == 0 )
390	{
391	const struct msn_away_state *st;
392
393	if( num_parts != 5 )
394	{
395	hide_login_progress_error( gc, "Syntax error" );
396	signoff( gc );
397	return( 0 );
398	}
399
400	http_decode( cmd[3] );
401	serv_buddy_rename( gc, cmd[2], cmd[3] );
402
403	st = msn_away_state_by_code( cmd[1] );
404	if( !st )
405	{
406	/* FIXME: Warn/Bomb about unknown away state? */
407	st = msn_away_state_list;
408	}
409
410	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
411	}
412	else if( strcmp( cmd[0], "RNG" ) == 0 )
413	{
414	struct msn_switchboard *sb;
415	char *server;
416	int session, port;
417
418	if( num_parts != 7 )
419	{
420	hide_login_progress_error( gc, "Syntax error" );
421	signoff( gc );
422	return( 0 );
423	}
424
425	session = atoi( cmd[1] );
426
427	server = strchr( cmd[2], ':' );
428	if( !server )
429	{
430	hide_login_progress_error( gc, "Syntax error" );
431	signoff( gc );
432	return( 0 );
433	}
434	*server = 0;
435	port = atoi( server + 1 );
436	server = cmd[2];
437
438	if( strcmp( cmd[3], "CKI" ) != 0 )
439	{
440	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
441	signoff( gc );
442	return( 0 );
443	}
444
445	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
446
447	sb = msn_sb_create( gc, server, port, cmd[4], session );
448	sb->who = g_strdup( cmd[5] );
449	}
450	else if( strcmp( cmd[0], "ADD" ) == 0 )
451	{
452	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
453	{
454	GSList *l;
455
456	http_decode( cmd[5] );
457
458	if( strchr( cmd[4], '@' ) == NULL )
459	{
460	hide_login_progress_error( gc, "Syntax error" );
461	signoff( gc );
462	return( 0 );
463	}
464
465	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
466	for( l = gc->permit; l; l = l->next )
467	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
468	return( 1 );
469
470	for( l = gc->deny; l; l = l->next )
471	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
472	return( 1 );
473
474	msn_buddy_ask( gc, cmd[4], cmd[5] );
475	}
476	}
477	else if( strcmp( cmd[0], "OUT" ) == 0 )
478	{
479	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
480	{
481	hide_login_progress_error( gc, "Someone else logged in with your account" );
482	gc->wants_to_die = 1;
483	}
484	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
485	{
486	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
487	}
488	else
489	{
490	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
491	}
492
493	signoff( gc );
494	return( 0 );
495	}
496	else if( strcmp( cmd[0], "REA" ) == 0 )
497	{
498	if( num_parts != 5 )
499	{
500	hide_login_progress_error( gc, "Syntax error" );
501	signoff( gc );
502	return( 0 );
503	}
504
505	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
506	{
507	http_decode( cmd[4] );
508	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
509	gc->displayname[sizeof(gc->displayname)-1] = 0;
510	}
511	else
512	{
513	/* This is not supposed to happen, but let's handle it anyway... */
514	http_decode( cmd[4] );
515	serv_buddy_rename( gc, cmd[3], cmd[4] );
516	}
517	}
518	else if( strcmp( cmd[0], "IPG" ) == 0 )
519	{
520	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
521
522	md->handler->msglen = atoi( cmd[1] );
523
524	if( md->handler->msglen <= 0 )
525	{
526	hide_login_progress_error( gc, "Syntax error" );
527	signoff( gc );
528	return( 0 );
529	}
530	}
531	else if( isdigit( cmd[0][0] ) )
532	{
533	int num = atoi( cmd[0] );
534	const struct msn_status_code *err = msn_status_by_number( num );
535
536	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
537	do_error_dialog( gc, buf, "MSN" );
538
539	if( err->flags & STATUS_FATAL )
540	{
541	signoff( gc );
542	return( 0 );
543	}
544	}
545	else
546	{
547	debug( "Received unknown command from main server: %s", cmd[0] );
548	}
549
550	return( 1 );
551	}
552
553	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
554	{
555	struct gaim_connection *gc = data;
556	char *body;
557	int blen = 0;
558
559	if( !num_parts )
560	return( 1 );
561
562	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
563	{
564	body += 4;
565	blen = msglen - ( body - msg );
566	}
567
568	if( strcmp( cmd[0], "MSG" ) == 0 )
569	{
570	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
571	{
572	char *ct = msn_findheader( msg, "Content-Type:", msglen );
573
574	if( !ct )
575	return( 1 );
576
577	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
578	{
579	char *mtype;
580	char *arg1;
581
582	if( !body )
583	return( 1 );
584
585	mtype = msn_findheader( body, "Type:", blen );
586	arg1 = msn_findheader( body, "Arg1:", blen );
587
588	if( mtype && strcmp( mtype, "1" ) == 0 )
589	{
590	if( arg1 )
591	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
592	}
593
594	if( arg1 ) g_free( arg1 );
595	if( mtype ) g_free( mtype );
596	}
597	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
598	{
599	/* We don't care about this profile for now... */
600	}
601	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
602	{
603	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
604	char *folders = msn_findheader( body, "Folders-Unread:", blen );
605
606	if( inbox && folders )
607	{
608	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
609	}
610	}
611	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
612	{
613	char *from = msn_findheader( body, "From-Addr:", blen );
614	char *fromname = msn_findheader( body, "From:", blen );
615
616	if( from && fromname )
617	{
618	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
619	}
620	}
621	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
622	{
623	/* Sorry, but this one really is USELESS */
624	}
625	else
626	{
627	debug( "Can't handle %s packet from notification server", ct );
628	}
629
630	g_free( ct );
631	}
632	}
633
634	return( 1 );
635	}
636
637	static void msn_auth_got_passport_id( struct passport_reply *rep )
638	{
639	struct gaim_connection *gc = rep->data;
640	struct msn_data *md = gc->proto_data;
641	char *key = rep->result;
642	char buf[1024];
643
644	if( key == NULL )
645	{
646	hide_login_progress( gc, "Error during Passport authentication" );
647	signoff( gc );
648	}
649	else
650	{
651	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
652	msn_write( gc, buf, strlen( buf ) );
653	}
654	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: