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source: protocols/msn/ns.c @ ec2ebcc

Last change on this file since ec2ebcc was 7815a2b, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-04-07T02:15:44Z
Check MSN display names given by the server for UTF-8-correctness before using them since invalid XML ending up in user configs can get very ugly.
Property mode set to `100644`
File size: 18.9 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] )
425	imcb_buddy_status( ic, cmd[1], 0, NULL, NULL );
426	}
427	else if( strcmp( cmd[0], "NLN" ) == 0 )
428	{
429	const struct msn_away_state *st;
430
431	if( num_parts != 5 )
432	{
433	imcb_error( ic, "Syntax error" );
434	imc_logout( ic, TRUE );
435	return( 0 );
436	}
437
438	http_decode( cmd[3] );
439	imcb_rename_buddy( ic, cmd[2], cmd[3] );
440
441	st = msn_away_state_by_code( cmd[1] );
442	if( !st )
443	{
444	/* FIXME: Warn/Bomb about unknown away state? */
445	st = msn_away_state_list + 1;
446	}
447
448	imcb_buddy_status( ic, cmd[2], OPT_LOGGED_IN \|
449	( st != msn_away_state_list ? OPT_AWAY : 0 ),
450	st->name, NULL );
451	}
452	else if( strcmp( cmd[0], "RNG" ) == 0 )
453	{
454	struct msn_switchboard *sb;
455	char *server;
456	int session, port;
457
458	if( num_parts != 7 )
459	{
460	imcb_error( ic, "Syntax error" );
461	imc_logout( ic, TRUE );
462	return( 0 );
463	}
464
465	session = atoi( cmd[1] );
466
467	server = strchr( cmd[2], ':' );
468	if( !server )
469	{
470	imcb_error( ic, "Syntax error" );
471	imc_logout( ic, TRUE );
472	return( 0 );
473	}
474	*server = 0;
475	port = atoi( server + 1 );
476	server = cmd[2];
477
478	if( strcmp( cmd[3], "CKI" ) != 0 )
479	{
480	imcb_error( ic, "Unknown authentication method for switchboard" );
481	imc_logout( ic, TRUE );
482	return( 0 );
483	}
484
485	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
486
487	if( ( sb = msn_sb_create( ic, server, port, cmd[4], session ) ) == NULL )
488	{
489	/* Although this isn't strictly fatal for the NS connection, it's
490	definitely something serious (we ran out of file descriptors?). */
491	imcb_error( ic, "Could not create new switchboard" );
492	imc_logout( ic, TRUE );
493	return( 0 );
494	}
495	else
496	{
497	sb->who = g_strdup( cmd[5] );
498	}
499	}
500	else if( strcmp( cmd[0], "ADD" ) == 0 )
501	{
502	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
503	{
504	GSList *l;
505
506	http_decode( cmd[5] );
507
508	if( strchr( cmd[4], '@' ) == NULL )
509	{
510	imcb_error( ic, "Syntax error" );
511	imc_logout( ic, TRUE );
512	return 0;
513	}
514
515	/* We got added by someone. If we don't have this
516	person in permit/deny yet, inform the user. */
517	for( l = ic->permit; l; l = l->next )
518	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
519	return 1;
520
521	for( l = ic->deny; l; l = l->next )
522	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
523	return 1;
524
525	msn_buddy_ask( ic, cmd[4], cmd[5] );
526	}
527	else if( num_parts >= 6 && strcmp( cmd[2], "FL" ) == 0 )
528	{
529	http_decode( cmd[5] );
530	imcb_add_buddy( ic, cmd[4], NULL );
531	imcb_rename_buddy( ic, cmd[4], cmd[5] );
532	}
533	}
534	else if( strcmp( cmd[0], "OUT" ) == 0 )
535	{
536	int allow_reconnect = TRUE;
537
538	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
539	{
540	imcb_error( ic, "Someone else logged in with your account" );
541	allow_reconnect = FALSE;
542	}
543	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
544	{
545	imcb_error( ic, "Terminating session because of server shutdown" );
546	}
547	else
548	{
549	imcb_error( ic, "Session terminated by remote server (reason unknown)" );
550	}
551
552	imc_logout( ic, allow_reconnect );
553	return( 0 );
554	}
555	#if 0
556	/* Discard this one completely for now since I don't care about the ack
557	and since MSN servers can apparently screw up the formatting. */
558	else if( strcmp( cmd[0], "REA" ) == 0 )
559	{
560	if( num_parts != 5 )
561	{
562	imcb_error( ic, "Syntax error" );
563	imc_logout( ic, TRUE );
564	return( 0 );
565	}
566
567	if( g_strcasecmp( cmd[3], ic->acc->user ) == 0 )
568	{
569	set_t *s;
570
571	http_decode( cmd[4] );
572	strncpy( ic->displayname, cmd[4], sizeof( ic->displayname ) );
573	ic->displayname[sizeof(ic->displayname)-1] = 0;
574
575	if( ( s = set_find( &ic->acc->set, "display_name" ) ) )
576	{
577	g_free( s->value );
578	s->value = g_strdup( cmd[4] );
579	}
580	}
581	else
582	{
583	/* This is not supposed to happen, but let's handle it anyway... */
584	http_decode( cmd[4] );
585	imcb_rename_buddy( ic, cmd[3], cmd[4] );
586	}
587	}
588	#endif
589	else if( strcmp( cmd[0], "IPG" ) == 0 )
590	{
591	imcb_error( ic, "Received IPG command, we don't handle them yet." );
592
593	md->handler->msglen = atoi( cmd[1] );
594
595	if( md->handler->msglen <= 0 )
596	{
597	imcb_error( ic, "Syntax error" );
598	imc_logout( ic, TRUE );
599	return( 0 );
600	}
601	}
602	else if( isdigit( cmd[0][0] ) )
603	{
604	int num = atoi( cmd[0] );
605	const struct msn_status_code *err = msn_status_by_number( num );
606
607	imcb_error( ic, "Error reported by MSN server: %s", err->text );
608
609	if( err->flags & STATUS_FATAL )
610	{
611	imc_logout( ic, TRUE );
612	return( 0 );
613	}
614	}
615	else
616	{
617	/* debug( "Received unknown command from main server: %s", cmd[0] ); */
618	}
619
620	return( 1 );
621	}
622
623	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
624	{
625	struct im_connection *ic = data;
626	char *body;
627	int blen = 0;
628
629	if( !num_parts )
630	return( 1 );
631
632	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
633	{
634	body += 4;
635	blen = msglen - ( body - msg );
636	}
637
638	if( strcmp( cmd[0], "MSG" ) == 0 )
639	{
640	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
641	{
642	char *ct = msn_findheader( msg, "Content-Type:", msglen );
643
644	if( !ct )
645	return( 1 );
646
647	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
648	{
649	char *mtype;
650	char *arg1;
651
652	if( !body )
653	return( 1 );
654
655	mtype = msn_findheader( body, "Type:", blen );
656	arg1 = msn_findheader( body, "Arg1:", blen );
657
658	if( mtype && strcmp( mtype, "1" ) == 0 )
659	{
660	if( arg1 )
661	imcb_log( ic, "The server is going down for maintenance in %s minutes.", arg1 );
662	}
663
664	g_free( arg1 );
665	g_free( mtype );
666	}
667	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
668	{
669	/* We don't care about this profile for now... */
670	}
671	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
672	{
673	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
674	{
675	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
676	char *folders = msn_findheader( body, "Folders-Unread:", blen );
677
678	if( inbox && folders )
679	imcb_log( ic, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
680
681	g_free( inbox );
682	g_free( folders );
683	}
684	}
685	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
686	{
687	if( set_getbool( &ic->acc->set, "mail_notifications" ) )
688	{
689	char *from = msn_findheader( body, "From-Addr:", blen );
690	char *fromname = msn_findheader( body, "From:", blen );
691
692	if( from && fromname )
693	imcb_log( ic, "Received an e-mail message from %s <%s>.", fromname, from );
694
695	g_free( from );
696	g_free( fromname );
697	}
698	}
699	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
700	{
701	/* Sorry, but this one really is USELESS */
702	}
703	else
704	{
705	debug( "Can't handle %s packet from notification server", ct );
706	}
707
708	g_free( ct );
709	}
710	}
711
712	return( 1 );
713	}
714
715	static void msn_auth_got_passport_token( struct msn_auth_data *mad )
716	{
717	struct im_connection *ic = mad->data;
718	struct msn_data *md;
719
720	/* Dead connection? */
721	if( g_slist_find( msn_connections, ic ) == NULL )
722	return;
723
724	md = ic->proto_data;
725	if( mad->token )
726	{
727	char buf[1024];
728
729	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, mad->token );
730	msn_write( ic, buf, strlen( buf ) );
731	}
732	else
733	{
734	imcb_error( ic, "Error during Passport authentication: %s", mad->error );
735	imc_logout( ic, TRUE );
736	}
737	}
738
739	static gboolean msn_ns_got_display_name( struct im_connection ic, char name )
740	{
741	set_t *s;
742
743	if( ( s = set_find( &ic->acc->set, "display_name" ) ) == NULL )
744	return FALSE; /* Shouldn't happen.. */
745
746	http_decode( name );
747
748	if( s->value && strcmp( s->value, name ) == 0 )
749	{
750	return TRUE;
751	/* The names match, nothing to worry about. */
752	}
753	else if( s->value != NULL &&
754	( strcmp( name, ic->acc->user ) == 0 \|\|
755	set_getbool( &ic->acc->set, "local_display_name" ) ) )
756	{
757	/* The server thinks our display name is our e-mail address
758	which is probably wrong, or the user wants us to do this:
759	Always use the locally set display_name. */
760	return msn_set_display_name( ic, s->value );
761	}
762	else
763	{
764	if( s->value && *s->value )
765	imcb_log( ic, "BitlBee thinks your display name is `%s' but "
766	"the MSN server says it's `%s'. Using the MSN "
767	"server's name. Set local_display_name to true "
768	"to use the local name.", s->value, name );
769
770	if( g_utf8_validate( name, -1, NULL ) )
771	{
772	g_free( s->value );
773	s->value = g_strdup( name );
774	}
775	else
776	{
777	imcb_log( ic, "Warning: Friendly name in server response was corrupted" );
778	}
779
780	return TRUE;
781	}
782	}

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