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source: protocols/msn/ns.c @ 57400f4

Last change on this file since 57400f4 was efbc154, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-04-16T09:58:22Z
Merge msn-keepalive, a nice hack (not yet documented) which sends keepalives to switchboards with offline contacts. This is meant as a work-around for the current lack of support for offline messaging.
Property mode set to `100644`
File size: 19.1 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_token( struct msn_auth_data *mad );
37	static gboolean msn_ns_got_display_name( struct im_connection ic, char name );
38
39	gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond )
40	{
41	struct im_connection *ic = data;
42	struct msn_data *md;
43	char s[1024];
44
45	if( !g_slist_find( msn_connections, ic ) )
46	return FALSE;
47
48	if( source == -1 )
49	{
50	imcb_error( ic, "Could not connect to server" );
51	imc_logout( ic, TRUE );
52	return FALSE;
53	}
54
55	md = ic->proto_data;
56
57	if( !md->handler )
58	{
59	md->handler = g_new0( struct msn_handler_data, 1 );
60	md->handler->data = ic;
61	md->handler->exec_command = msn_ns_command;
62	md->handler->exec_message = msn_ns_message;
63	}
64	else
65	{
66	if( md->handler->rxq )
67	g_free( md->handler->rxq );
68
69	md->handler->rxlen = 0;
70	}
71
72	md->handler->fd = md->fd;
73	md->handler->rxq = g_new0( char, 1 );
74
75	g_snprintf( s, sizeof( s ), "VER %d MSNP8 CVR0\r\n", ++md->trId );
76	if( msn_write( ic, s, strlen( s ) ) )
77	{
78	ic->inpa = b_input_add( md->fd, GAIM_INPUT_READ, msn_ns_callback, ic );
79	imcb_log( ic, "Connected to server, waiting for reply" );
80	}
81
82	return FALSE;
83	}
84
85	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond )
86	{
87	struct im_connection *ic = data;
88	struct msn_data *md = ic->proto_data;
89
90	if( msn_handler( md->handler ) == -1 ) /* Don't do this on ret == 0, it's already done then. */
91	{
92	imcb_error( ic, "Error while reading from server" );
93	imc_logout( ic, TRUE );
94
95	return FALSE;
96	}
97	else
98	return TRUE;
99	}
100
101	static int msn_ns_command( gpointer data, char **cmd, int num_parts )
102	{
103	struct im_connection *ic = data;
104	struct msn_data *md = ic->proto_data;
105	char buf[1024];
106
107	if( num_parts == 0 )
108	{
109	/* Hrrm... Empty command...? Ignore? */
110	return( 1 );
111	}
112
113	if( strcmp( cmd[0], "VER" ) == 0 )
114	{
115	if( cmd[2] && strncmp( cmd[2], "MSNP8", 5 ) != 0 )
116	{
117	imcb_error( ic, "Unsupported protocol" );
118	imc_logout( ic, FALSE );
119	return( 0 );
120	}
121
122	g_snprintf( buf, sizeof( buf ), "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
123	++md->trId, ic->acc->user );
124	return( msn_write( ic, buf, strlen( buf ) ) );
125	}
126	else if( strcmp( cmd[0], "CVR" ) == 0 )
127	{
128	/* We don't give a damn about the information we just received */
129	g_snprintf( buf, sizeof( buf ), "USR %d TWN I %s\r\n", ++md->trId, ic->acc->user );
130	return( msn_write( ic, buf, strlen( buf ) ) );
131	}
132	else if( strcmp( cmd[0], "XFR" ) == 0 )
133	{
134	char *server;
135	int port;
136
137	if( num_parts == 6 && strcmp( cmd[2], "NS" ) == 0 )
138	{
139	b_event_remove( ic->inpa );
140	ic->inpa = 0;
141	closesocket( md->fd );
142
143	server = strchr( cmd[3], ':' );
144	if( !server )
145	{
146	imcb_error( ic, "Syntax error" );
147	imc_logout( ic, TRUE );
148	return( 0 );
149	}
150	*server = 0;
151	port = atoi( server + 1 );
152	server = cmd[3];
153
154	imcb_log( ic, "Transferring to other server" );
155
156	md->fd = proxy_connect( server, port, msn_ns_connected, ic );
157	}
158	else if( num_parts == 6 && strcmp( cmd[2], "SB" ) == 0 )
159	{
160	struct msn_switchboard *sb;
161
162	server = strchr( cmd[3], ':' );
163	if( !server )
164	{
165	imcb_error( ic, "Syntax error" );
166	imc_logout( ic, TRUE );
167	return( 0 );
168	}
169	*server = 0;
170	port = atoi( server + 1 );
171	server = cmd[3];
172
173	if( strcmp( cmd[4], "CKI" ) != 0 )
174	{
175	imcb_error( ic, "Unknown authentication method for switchboard" );
176	imc_logout( ic, TRUE );
177	return( 0 );
178	}
179
180	debug( "Connecting to a new switchboard with key %s", cmd[5] );
181
182	if( ( sb = msn_sb_create( ic, server, port, cmd[5], MSN_SB_NEW ) ) == NULL )
183	{
184	/* Although this isn't strictly fatal for the NS connection, it's
185	definitely something serious (we ran out of file descriptors?). */
186	imcb_error( ic, "Could not create new switchboard" );
187	imc_logout( ic, TRUE );
188	return( 0 );
189	}
190
191	if( md->msgq )
192	{
193	struct msn_message *m = md->msgq->data;
194	GSList *l;
195
196	sb->who = g_strdup( m->who );
197
198	/* Move all the messages to the first user in the message
199	queue to the switchboard message queue. */
200	l = md->msgq;
201	while( l )
202	{
203	m = l->data;
204	l = l->next;
205	if( strcmp( m->who, sb->who ) == 0 )
206	{
207	sb->msgq = g_slist_append( sb->msgq, m );
208	md->msgq = g_slist_remove( md->msgq, m );
209	}
210	}
211	}
212	}
213	else
214	{
215	imcb_error( ic, "Syntax error" );
216	imc_logout( ic, TRUE );
217	return( 0 );
218	}
219	}
220	else if( strcmp( cmd[0], "USR" ) == 0 )
221	{
222	if( num_parts == 5 && strcmp( cmd[2], "TWN" ) == 0 && strcmp( cmd[3], "S" ) == 0 )
223	{
224	/* Time for some Passport black magic... */
225	if( !passport_get_token( msn_auth_got_passport_token, ic, ic->acc->user, ic->acc->pass, cmd[4] ) )
226	{
227	imcb_error( ic, "Error while contacting Passport server" );
228	imc_logout( ic, TRUE );
229	return( 0 );
230	}
231	}
232	else if( num_parts >= 7 && strcmp( cmd[2], "OK" ) == 0 )
233	{
234	if( num_parts == 7 )
235	msn_ns_got_display_name( ic, cmd[4] );
236	else
237	imcb_log( ic, "Warning: Friendly name in server response was corrupted" );
238
239	imcb_log( ic, "Authenticated, getting buddy list" );
240
241	g_snprintf( buf, sizeof( buf ), "SYN %d 0\r\n", ++md->trId );
242	return( msn_write( ic, buf, strlen( buf ) ) );
243	}
244	else
245	{
246	imcb_error( ic, "Unknown authentication type" );
247	imc_logout( ic, FALSE );
248	return( 0 );
249	}
250	}
251	else if( strcmp( cmd[0], "MSG" ) == 0 )
252	{
253	if( num_parts != 4 )
254	{
255	imcb_error( ic, "Syntax error" );
256	imc_logout( ic, TRUE );
257	return( 0 );
258	}
259
260	md->handler->msglen = atoi( cmd[3] );
261
262	if( md->handler->msglen <= 0 )
263	{
264	imcb_error( ic, "Syntax error" );
265	imc_logout( ic, TRUE );
266	return( 0 );
267	}
268	}
269	else if( strcmp( cmd[0], "SYN" ) == 0 )
270	{
271	if( num_parts == 5 )
272	{
273	int i, groupcount;
274
275	groupcount = atoi( cmd[4] );
276	if( groupcount > 0 )
277	{
278	/* valgrind says this is leaking memory, I'm guessing
279	that this happens during server redirects. */
280	if( md->grouplist )
281	{
282	for( i = 0; i < md->groupcount; i ++ )
283	g_free( md->grouplist[i] );
284	g_free( md->grouplist );
285	}
286
287	md->groupcount = groupcount;
288	md->grouplist = g_new0( char *, md->groupcount );
289	}
290
291	md->buddycount = atoi( cmd[3] );
292	if( !*cmd[3] \|\| md->buddycount == 0 )
293	msn_logged_in( ic );
294	}
295	else
296	{
297	/* Hrrm... This SYN reply doesn't really look like something we expected.
298	Let's assume everything is okay. */
299
300	msn_logged_in( ic );
301	}
302	}
303	else if( strcmp( cmd[0], "LST" ) == 0 )
304	{
305	int list;
306
307	if( num_parts != 4 && num_parts != 5 )
308	{
309	imcb_error( ic, "Syntax error" );
310	imc_logout( ic, TRUE );
311	return( 0 );
312	}
313
314	http_decode( cmd[2] );
315	list = atoi( cmd[3] );
316
317	if( list & 1 ) /* FL */
318	{
319	char *group = NULL;
320	int num;
321
322	if( cmd[4] != NULL && sscanf( cmd[4], "%d", &num ) == 1 && num < md->groupcount )
323	group = md->grouplist[num];
324
325	imcb_add_buddy( ic, cmd[1], group );
326	imcb_rename_buddy( ic, cmd[1], cmd[2] );
327	}
328	if( list & 2 ) /* AL */
329	{
330	ic->permit = g_slist_append( ic->permit, g_strdup( cmd[1] ) );
331	}
332	if( list & 4 ) /* BL */
333	{
334	ic->deny = g_slist_append( ic->deny, g_strdup( cmd[1] ) );
335	}
336	if( list & 8 ) /* RL */
337	{
338	if( ( list & 6 ) == 0 )
339	msn_buddy_ask( ic, cmd[1], cmd[2] );
340	}
341
342	if( --md->buddycount == 0 )
343	{
344	if( ic->flags & OPT_LOGGED_IN )
345	{
346	imcb_log( ic, "Successfully transferred to different server" );
347	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
348	return( msn_write( ic, buf, strlen( buf ) ) );
349	}
350	else
351	{
352	msn_logged_in( ic );
353	}
354	}
355	}
356	else if( strcmp( cmd[0], "LSG" ) == 0 )
357	{
358	int num;
359
360	if( num_parts != 4 )
361	{
362	imcb_error( ic, "Syntax error" );
363	imc_logout( ic, TRUE );
364	return( 0 );
365	}
366
367	http_decode( cmd[2] );
368	num = atoi( cmd[1] );
369
370	if( num < md->groupcount )
371	md->grouplist[num] = g_strdup( cmd[2] );
372	}
373	else if( strcmp( cmd[0], "CHL" ) == 0 )
374	{
375	md5_state_t state;
376	md5_byte_t digest[16];
377	int i;
378
379	if( num_parts != 3 )
380	{
381	imcb_error( ic, "Syntax error" );
382	imc_logout( ic, TRUE );
383	return( 0 );
384	}
385
386	md5_init( &state );
387	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
388	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
389	md5_finish( &state, digest );
390
391	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
392	for( i = 0; i < 16; i ++ )
393	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
394
395	return( msn_write( ic, buf, strlen( buf ) ) );
396	}
397	else if( strcmp( cmd[0], "ILN" ) == 0 )
398	{
399	const struct msn_away_state *st;
400
401	if( num_parts != 6 )
402	{
403	imcb_error( ic, "Syntax error" );
404	imc_logout( ic, TRUE );
405	return( 0 );
406	}
407
408	http_decode( cmd[4] );
409	imcb_rename_buddy( ic, cmd[3], cmd[4] );
410
411	st = msn_away_state_by_code( cmd[2] );
412	if( !st )
413	{
414	/* FIXME: Warn/Bomb about unknown away state? */
415	st = msn_away_state_list + 1;
416	}
417
418	imcb_buddy_status( ic, cmd[3], OPT_LOGGED_IN \|
419	( st != msn_away_state_list ? OPT_AWAY : 0 ),
420	st->name, NULL );
421	}
422	else if( strcmp( cmd[0], "FLN" ) == 0 )
423	{
424	if( cmd[1] == NULL )
425	return 1;
426
427	imcb_buddy_status( ic, cmd[1], 0, NULL, NULL );
428
429	msn_sb_start_keepalives( msn_sb_by_handle( ic, cmd[1] ), TRUE );
430	}
431	else if( strcmp( cmd[0], "NLN" ) == 0 )
432	{
433	const struct msn_away_state *st;
434
435	if( num_parts != 5 )
436	{
437	imcb_error( ic, "Syntax error" );
438	imc_logout( ic, TRUE );
439	return( 0 );
440	}
441
442	http_decode( cmd[3] );
443	imcb_rename_buddy( ic, cmd[2], cmd[3] );
444
445	st = msn_away_state_by_code( cmd[1] );
446	if( !st )
447	{
448	/* FIXME: Warn/Bomb about unknown away state? */
449	st = msn_away_state_list + 1;
450	}
451
452	imcb_buddy_status( ic, cmd[2], OPT_LOGGED_IN \|
453	( st != msn_away_state_list ? OPT_AWAY : 0 ),
454	st->name, NULL );
455
456	msn_sb_stop_keepalives( msn_sb_by_handle( ic, cmd[2] ) );
457	}
458	else if( strcmp( cmd[0], "RNG" ) == 0 )
459	{
460	struct msn_switchboard *sb;
461	char *server;
462	int session, port;
463
464	if( num_parts != 7 )
465	{
466	imcb_error( ic, "Syntax error" );
467	imc_logout( ic, TRUE );
468	return( 0 );
469	}
470
471	session = atoi( cmd[1] );
472
473	server = strchr( cmd[2], ':' );
474	if( !server )
475	{
476	imcb_error( ic, "Syntax error" );
477	imc_logout( ic, TRUE );
478	return( 0 );
479	}
480	*server = 0;
481	port = atoi( server + 1 );
482	server = cmd[2];
483
484	if( strcmp( cmd[3], "CKI" ) != 0 )
485	{
486	imcb_error( ic, "Unknown authentication method for switchboard" );
487	imc_logout( ic, TRUE );
488	return( 0 );
489	}
490
491	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
492
493	if( ( sb = msn_sb_create( ic, server, port, cmd[4], session ) ) == NULL )
494	{
495	/* Although this isn't strictly fatal for the NS connection, it's
496	definitely something serious (we ran out of file descriptors?). */
497	imcb_error( ic, "Could not create new switchboard" );
498	imc_logout( ic, TRUE );
499	return( 0 );
500	}
501	else
502	{
503	sb->who = g_strdup( cmd[5] );
504	}
505	}
506	else if( strcmp( cmd[0], "ADD" ) == 0 )
507	{
508	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
509	{
510	GSList *l;
511
512	http_decode( cmd[5] );
513
514	if( strchr( cmd[4], '@' ) == NULL )
515	{
516	imcb_error( ic, "Syntax error" );
517	imc_logout( ic, TRUE );
518	return 0;
519	}
520
521	/* We got added by someone. If we don't have this
522	person in permit/deny yet, inform the user. */
523	for( l = ic->permit; l; l = l->next )
524	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
525	return 1;
526
527	for( l = ic->deny; l; l = l->next )
528	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
529	return 1;
530
531	msn_buddy_ask( ic, cmd[4], cmd[5] );
532	}
533	else if( num_parts >= 6 && strcmp( cmd[2], "FL" ) == 0 )
534	{
535	http_decode( cmd[5] );
536	imcb_add_buddy( ic, cmd[4], NULL );
537	imcb_rename_buddy( ic, cmd[4], cmd[5] );
538	}
539	}
540	else if( strcmp( cmd[0], "OUT" ) == 0 )
541	{
542	int allow_reconnect = TRUE;
543
544	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
545	{
546	imcb_error( ic, "Someone else logged in with your account" );
547	allow_reconnect = FALSE;
548	}
549	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
550	{
551	imcb_error( ic, "Terminating session because of server shutdown" );
552	}
553	else
554	{
555	imcb_error( ic, "Session terminated by remote server (reason unknown)" );
556	}
557
558	imc_logout( ic, allow_reconnect );
559	return( 0 );
560	}
561	#if 0
562	/* Discard this one completely for now since I don't care about the ack
563	and since MSN servers can apparently screw up the formatting. */
564	else if( strcmp( cmd[0], "REA" ) == 0 )
565	{
566	if( num_parts != 5 )
567	{
568	imcb_error( ic, "Syntax error" );
569	imc_logout( ic, TRUE );
570	return( 0 );
571	}
572
573	if( g_strcasecmp( cmd[3], ic->acc->user ) == 0 )
574	{
575	set_t *s;
576
577	http_decode( cmd[4] );
578	strncpy( ic->displayname, cmd[4], sizeof( ic->displayname ) );
579	ic->displayname[sizeof(ic->displayname)-1] = 0;
580
581	if( ( s = set_find( &ic->acc->set, "display_name" ) ) )
582	{
583	g_free( s->value );
584	s->value = g_strdup( cmd[4] );
585	}
586	}
587	else
588	{
589	/* This is not supposed to happen, but let's handle it anyway... */
590	http_decode( cmd[4] );
591	imcb_rename_buddy( ic, cmd[3], cmd[4] );
592	}
593	}
594	#endif
595	else if( strcmp( cmd[0], "IPG" ) == 0 )
596	{
597	imcb_error( ic, "Received IPG command, we don't handle them yet." );
598
599	md->handler->msglen = atoi( cmd[1] );
600
601	if( md->handler->msglen <= 0 )
602	{
603	imcb_error( ic, "Syntax error" );
604	imc_logout( ic, TRUE );
605	return( 0 );
606	}
607	}
608	else if( isdigit( cmd[0][0] ) )
609	{
610	int num = atoi( cmd[0] );
611	const struct msn_status_code *err = msn_status_by_number( num );
612
613	imcb_error( ic, "Error reported by MSN server: %s", err->text );
614
615	if( err->flags & STATUS_FATAL )
616	{
617	imc_logout( ic, TRUE );
618	return( 0 );
619	}
620	}
621	else
622	{
623	/* debug( "Received unknown command from main server: %s", cmd[0] ); */
624	}
625
626	return( 1 );
627	}
628
629	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
630	{
631	struct im_connection *ic = data;
632	char *body;
633	int blen = 0;
634
635	if( !num_parts )
636	return( 1 );
637
638	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
639	{
640	body += 4;
641	blen = msglen - ( body - msg );
642	}
643
644	if( strcmp( cmd[0], "MSG" ) == 0 )
645	{
646	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
647	{
648	char *ct = msn_findheader( msg, "Content-Type:", msglen );
649
650	if( !ct )
651	return( 1 );
652
653	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
654	{
655	char *mtype;
656	char *arg1;
657
658	if( !body )
659	return( 1 );
660
661	mtype = msn_findheader( body, "Type:", blen );
662	arg1 = msn_findheader( body, "Arg1:", blen );
663
664	if( mtype && strcmp( mtype, "1" ) == 0 )
665	{
666	if( arg1 )
667	imcb_log( ic, "The server is going down for maintenance in %s minutes.", arg1 );
668	}
669
670	g_free( arg1 );
671	g_free( mtype );
672	}
673	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
674	{
675	/* We don't care about this profile for now... */
676	}
677	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
678	{
679	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
680	{
681	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
682	char *folders = msn_findheader( body, "Folders-Unread:", blen );
683
684	if( inbox && folders )
685	imcb_log( ic, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
686
687	g_free( inbox );
688	g_free( folders );
689	}
690	}
691	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
692	{
693	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
694	{
695	char *from = msn_findheader( body, "From-Addr:", blen );
696	char *fromname = msn_findheader( body, "From:", blen );
697
698	if( from && fromname )
699	imcb_log( ic, "Received an e-mail message from %s <%s>.", fromname, from );
700
701	g_free( from );
702	g_free( fromname );
703	}
704	}
705	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
706	{
707	/* Sorry, but this one really is USELESS */
708	}
709	else
710	{
711	debug( "Can't handle %s packet from notification server", ct );
712	}
713
714	g_free( ct );
715	}
716	}
717
718	return( 1 );
719	}
720
721	static void msn_auth_got_passport_token( struct msn_auth_data *mad )
722	{
723	struct im_connection *ic = mad->data;
724	struct msn_data *md;
725
726	/* Dead connection? */
727	if( g_slist_find( msn_connections, ic ) == NULL )
728	return;
729
730	md = ic->proto_data;
731	if( mad->token )
732	{
733	char buf[1024];
734
735	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, mad->token );
736	msn_write( ic, buf, strlen( buf ) );
737	}
738	else
739	{
740	imcb_error( ic, "Error during Passport authentication: %s", mad->error );
741	imc_logout( ic, TRUE );
742	}
743	}
744
745	static gboolean msn_ns_got_display_name( struct im_connection ic, char name )
746	{
747	set_t *s;
748
749	if( ( s = set_find( &ic->acc->set, "display_name" ) ) == NULL )
750	return FALSE; /* Shouldn't happen.. */
751
752	http_decode( name );
753
754	if( s->value && strcmp( s->value, name ) == 0 )
755	{
756	return TRUE;
757	/* The names match, nothing to worry about. */
758	}
759	else if( s->value != NULL &&
760	( strcmp( name, ic->acc->user ) == 0 \|\|
761	set_getbool( &ic->acc->set, "local_display_name" ) ) )
762	{
763	/* The server thinks our display name is our e-mail address
764	which is probably wrong, or the user wants us to do this:
765	Always use the locally set display_name. */
766	return msn_set_display_name( ic, s->value );
767	}
768	else
769	{
770	if( s->value && *s->value )
771	imcb_log( ic, "BitlBee thinks your display name is `%s' but "
772	"the MSN server says it's `%s'. Using the MSN "
773	"server's name. Set local_display_name to true "
774	"to use the local name.", s->value, name );
775
776	if( g_utf8_validate( name, -1, NULL ) )
777	{
778	g_free( s->value );
779	s->value = g_strdup( name );
780	}
781	else
782	{
783	imcb_log( ic, "Warning: Friendly name in server response was corrupted" );
784	}
785
786	return TRUE;
787	}
788	}

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