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source: protocols/msn/sb.c @ b27557b

Last change on this file since b27557b was 8ff0a61, checked in by Wilmer van der Gaast <wilmer@…>, at 2008-02-03T17:11:15Z
Disabling "Unknown command" warnings since they're very noisy and pretty pointless.
Property mode set to `100644`
File size: 16.2 KB

Rev	Line
[b7d3cc34]	1	/********************************************************************\
	2	* BitlBee -- An IRC to other IM-networks gateway *
	3	* *
[c92e6801]	4	* Copyright 2002-2005 Wilmer van der Gaast and others *
[b7d3cc34]	5	\********************************************************************/
	6
	7	/* MSN module - Switchboard server callbacks and utilities */
	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
[ba9edaa]	32	static gboolean msn_sb_callback( gpointer data, gint source, b_input_condition cond );
[b7d3cc34]	33	static int msn_sb_command( gpointer data, char **cmd, int num_parts );
	34	static int msn_sb_message( gpointer data, char msg, int msglen, char *cmd, int num_parts );
	35
	36	int msn_sb_write( struct msn_switchboard sb, char s, int len )
	37	{
	38	int st;
	39
	40	st = write( sb->fd, s, len );
	41	if( st != len )
	42	{
	43	msn_sb_destroy( sb );
	44	return( 0 );
	45	}
	46
	47	return( 1 );
	48	}
	49
[0da65d5]	50	struct msn_switchboard msn_sb_create( struct im_connection ic, char host, int port, char key, int session )
[b7d3cc34]	51	{
[0da65d5]	52	struct msn_data *md = ic->proto_data;
[b7d3cc34]	53	struct msn_switchboard *sb = g_new0( struct msn_switchboard, 1 );
	54
	55	sb->fd = proxy_connect( host, port, msn_sb_connected, sb );
	56	if( sb->fd < 0 )
	57	{
	58	g_free( sb );
	59	return( NULL );
	60	}
	61
[0da65d5]	62	sb->ic = ic;
[b7d3cc34]	63	sb->key = g_strdup( key );
	64	sb->session = session;
	65
	66	msn_switchboards = g_slist_append( msn_switchboards, sb );
	67	md->switchboards = g_slist_append( md->switchboards, sb );
	68
	69	return( sb );
	70	}
	71
[0da65d5]	72	struct msn_switchboard msn_sb_by_handle( struct im_connection ic, char *handle )
[b7d3cc34]	73	{
[0da65d5]	74	struct msn_data *md = ic->proto_data;
[b7d3cc34]	75	struct msn_switchboard *sb;
	76	GSList *l;
	77
	78	for( l = md->switchboards; l; l = l->next )
	79	{
	80	sb = l->data;
	81	if( sb->who && strcmp( sb->who, handle ) == 0 )
	82	return( sb );
	83	}
	84
	85	return( NULL );
	86	}
	87
[0da65d5]	88	struct msn_switchboard msn_sb_by_chat( struct groupchat c )
[b7d3cc34]	89	{
[0da65d5]	90	struct msn_data *md = c->ic->proto_data;
[b7d3cc34]	91	struct msn_switchboard *sb;
	92	GSList *l;
	93
	94	for( l = md->switchboards; l; l = l->next )
	95	{
	96	sb = l->data;
[fa29d093]	97	if( sb->chat == c )
[b7d3cc34]	98	return( sb );
	99	}
	100
	101	return( NULL );
	102	}
	103
[0da65d5]	104	struct msn_switchboard msn_sb_spare( struct im_connection ic )
[b7d3cc34]	105	{
[0da65d5]	106	struct msn_data *md = ic->proto_data;
[b7d3cc34]	107	struct msn_switchboard *sb;
	108	GSList *l;
	109
	110	for( l = md->switchboards; l; l = l->next )
	111	{
	112	sb = l->data;
	113	if( !sb->who && !sb->chat )
	114	return( sb );
	115	}
	116
	117	return( NULL );
	118	}
	119
	120	int msn_sb_sendmessage( struct msn_switchboard sb, char text )
	121	{
	122	if( sb->ready )
	123	{
[bd28e6a]	124	char packet, buf;
[b7d3cc34]	125	int i, j;
	126
[bd28e6a]	127	/* Build the message. Convert LF to CR-LF for normal messages. */
[b7d3cc34]	128	if( strcmp( text, TYPING_NOTIFICATION_MESSAGE ) != 0 )
	129	{
[46dca11]	130	buf = g_new0( char, sizeof( MSN_MESSAGE_HEADERS ) + strlen( text ) * 2 + 1 );
[b7d3cc34]	131	i = strlen( MSN_MESSAGE_HEADERS );
	132
	133	strcpy( buf, MSN_MESSAGE_HEADERS );
	134	for( j = 0; text[j]; j ++ )
	135	{
	136	if( text[j] == '\n' )
	137	buf[i++] = '\r';
	138
	139	buf[i++] = text[j];
	140	}
	141	}
	142	else
	143	{
[c2fb3809]	144	i = strlen( MSN_TYPING_HEADERS ) + strlen( sb->ic->acc->user );
[bd28e6a]	145	buf = g_new0( char, i );
[c2fb3809]	146	i = g_snprintf( buf, i, MSN_TYPING_HEADERS, sb->ic->acc->user );
[b7d3cc34]	147	}
	148
[bd28e6a]	149	/* Build the final packet (MSG command + the message). */
	150	packet = g_strdup_printf( "MSG %d N %d\r\n%s", ++sb->trId, i, buf );
	151	g_free( buf );
	152	if( msn_sb_write( sb, packet, strlen( packet ) ) )
[b7d3cc34]	153	{
[bd28e6a]	154	g_free( packet );
[b7d3cc34]	155	return( 1 );
	156	}
	157	else
	158	{
[bd28e6a]	159	g_free( packet );
[b7d3cc34]	160	return( 0 );
	161	}
	162	}
	163	else if( sb->who )
	164	{
	165	struct msn_message *m = g_new0( struct msn_message, 1 );
	166
	167	m->who = g_strdup( "" );
	168	m->text = g_strdup( text );
	169	sb->msgq = g_slist_append( sb->msgq, m );
	170
	171	return( 1 );
	172	}
	173	else
	174	{
	175	return( 0 );
	176	}
	177	}
	178
[0da65d5]	179	struct groupchat msn_sb_to_chat( struct msn_switchboard sb )
[b7d3cc34]	180	{
[0da65d5]	181	struct im_connection *ic = sb->ic;
[b7d3cc34]	182	char buf[1024];
	183
	184	/* Create the groupchat structure. */
	185	g_snprintf( buf, sizeof( buf ), "MSN groupchat session %d", sb->session );
[61ae52c]	186	sb->chat = imcb_chat_new( ic, buf );
[b7d3cc34]	187
	188	/* Populate the channel. */
[61ae52c]	189	if( sb->who ) imcb_chat_add_buddy( sb->chat, sb->who );
	190	imcb_chat_add_buddy( sb->chat, ic->acc->user );
[b7d3cc34]	191
	192	/* And make sure the switchboard doesn't look like a regular chat anymore. */
	193	if( sb->who )
	194	{
	195	g_free( sb->who );
	196	sb->who = NULL;
	197	}
[fa29d093]	198
	199	return sb->chat;
[b7d3cc34]	200	}
	201
	202	void msn_sb_destroy( struct msn_switchboard *sb )
	203	{
[0da65d5]	204	struct im_connection *ic = sb->ic;
	205	struct msn_data *md = ic->proto_data;
[b7d3cc34]	206
	207	debug( "Destroying switchboard: %s", sb->who ? sb->who : sb->key ? sb->key : "" );
	208
[46dca11]	209	msn_msgq_purge( ic, &sb->msgq );
[b7d3cc34]	210
[8ba511d]	211	if( sb->key ) g_free( sb->key );
	212	if( sb->who ) g_free( sb->who );
	213
[b7d3cc34]	214	if( sb->chat )
	215	{
[e35d1a1]	216	imcb_chat_free( sb->chat );
[b7d3cc34]	217	}
	218
	219	if( sb->handler )
	220	{
	221	if( sb->handler->rxq ) g_free( sb->handler->rxq );
	222	if( sb->handler->cmd_text ) g_free( sb->handler->cmd_text );
	223	g_free( sb->handler );
	224	}
	225
[ba9edaa]	226	if( sb->inp ) b_event_remove( sb->inp );
[b7d3cc34]	227	closesocket( sb->fd );
	228
	229	msn_switchboards = g_slist_remove( msn_switchboards, sb );
	230	md->switchboards = g_slist_remove( md->switchboards, sb );
	231	g_free( sb );
	232	}
	233
[ba9edaa]	234	gboolean msn_sb_connected( gpointer data, gint source, b_input_condition cond )
[b7d3cc34]	235	{
	236	struct msn_switchboard *sb = data;
[0da65d5]	237	struct im_connection *ic;
[b7d3cc34]	238	struct msn_data *md;
	239	char buf[1024];
	240
	241	/* Are we still alive? */
	242	if( !g_slist_find( msn_switchboards, sb ) )
[ba9edaa]	243	return FALSE;
[b7d3cc34]	244
[0da65d5]	245	ic = sb->ic;
	246	md = ic->proto_data;
[b7d3cc34]	247
	248	if( source != sb->fd )
	249	{
[46dca11]	250	debug( "Error %d while connecting to switchboard server", 1 );
[b7d3cc34]	251	msn_sb_destroy( sb );
[ba9edaa]	252	return FALSE;
[b7d3cc34]	253	}
	254
	255	/* Prepare the callback */
	256	sb->handler = g_new0( struct msn_handler_data, 1 );
	257	sb->handler->fd = sb->fd;
	258	sb->handler->rxq = g_new0( char, 1 );
	259	sb->handler->data = sb;
	260	sb->handler->exec_command = msn_sb_command;
	261	sb->handler->exec_message = msn_sb_message;
	262
	263	if( sb->session == MSN_SB_NEW )
[c2fb3809]	264	g_snprintf( buf, sizeof( buf ), "USR %d %s %s\r\n", ++sb->trId, ic->acc->user, sb->key );
[b7d3cc34]	265	else
[c2fb3809]	266	g_snprintf( buf, sizeof( buf ), "ANS %d %s %s %d\r\n", ++sb->trId, ic->acc->user, sb->key, sb->session );
[b7d3cc34]	267
	268	if( msn_sb_write( sb, buf, strlen( buf ) ) )
[ba9edaa]	269	sb->inp = b_input_add( sb->fd, GAIM_INPUT_READ, msn_sb_callback, sb );
[b7d3cc34]	270	else
[46dca11]	271	debug( "Error %d while connecting to switchboard server", 2 );
[ba9edaa]	272
	273	return FALSE;
[b7d3cc34]	274	}
	275
[ba9edaa]	276	static gboolean msn_sb_callback( gpointer data, gint source, b_input_condition cond )
[b7d3cc34]	277	{
	278	struct msn_switchboard *sb = data;
[59f527b6]	279	struct im_connection *ic = sb->ic;
	280	struct msn_data *md = ic->proto_data;
[b7d3cc34]	281
	282	if( msn_handler( sb->handler ) == -1 )
	283	{
[59f527b6]	284	time_t now = time( NULL );
	285
	286	if( now - md->first_sb_failure > 600 )
	287	{
	288	/* It's not really the first one, but the start of this "series".
	289	With this, the warning below will be shown only if this happens
	290	at least three times in ten minutes. This algorithm isn't
	291	perfect, but for this purpose it will do. */
	292	md->first_sb_failure = now;
	293	md->sb_failures = 0;
	294	}
	295
[46dca11]	296	debug( "Error: Switchboard died" );
[59f527b6]	297	if( ++ md->sb_failures >= 3 )
	298	imcb_log( ic, "Warning: Many switchboard failures on MSN connection. "
	299	"There might be problems delivering your messages." );
	300
	301	if( sb->msgq != NULL )
	302	{
	303	char buf[1024];
	304
	305	if( md->msgq == NULL )
	306	{
	307	md->msgq = sb->msgq;
	308	}
	309	else
	310	{
	311	GSList *l;
	312
	313	for( l = md->msgq; l->next; l = l->next );
	314	l->next = sb->msgq;
	315	}
	316	sb->msgq = NULL;
	317
	318	debug( "Moved queued messages back to the main queue, creating a new switchboard to retry." );
	319	g_snprintf( buf, sizeof( buf ), "XFR %d SB\r\n", ++md->trId );
	320	if( !msn_write( ic, buf, strlen( buf ) ) )
	321	return FALSE;
	322	}
	323
[b7d3cc34]	324	msn_sb_destroy( sb );
[ba9edaa]	325
	326	return FALSE;
[b7d3cc34]	327	}
[ba9edaa]	328	else
[59f527b6]	329	{
[ba9edaa]	330	return TRUE;
[59f527b6]	331	}
[b7d3cc34]	332	}
	333
	334	static int msn_sb_command( gpointer data, char **cmd, int num_parts )
	335	{
	336	struct msn_switchboard *sb = data;
[0da65d5]	337	struct im_connection *ic = sb->ic;
[b7d3cc34]	338	char buf[1024];
	339
	340	if( !num_parts )
	341	{
	342	/* Hrrm... Empty command...? Ignore? */
	343	return( 1 );
	344	}
	345
	346	if( strcmp( cmd[0], "XFR" ) == 0 )
	347	{
[84b045d]	348	imcb_error( ic, "Received an XFR from a switchboard server, unable to comply! This is likely to be a bug, please report it!" );
[c2fb3809]	349	imc_logout( ic, TRUE );
[b7d3cc34]	350	return( 0 );
	351	}
	352	else if( strcmp( cmd[0], "USR" ) == 0 )
	353	{
	354	if( num_parts != 5 )
	355	{
	356	msn_sb_destroy( sb );
	357	return( 0 );
	358	}
	359
	360	if( strcmp( cmd[2], "OK" ) != 0 )
	361	{
	362	msn_sb_destroy( sb );
	363	return( 0 );
	364	}
	365
	366	if( sb->who )
	367	{
	368	g_snprintf( buf, sizeof( buf ), "CAL %d %s\r\n", ++sb->trId, sb->who );
	369	return( msn_sb_write( sb, buf, strlen( buf ) ) );
	370	}
	371	else
	372	{
	373	debug( "Just created a switchboard, but I don't know what to do with it." );
	374	}
	375	}
	376	else if( strcmp( cmd[0], "IRO" ) == 0 )
	377	{
	378	int num, tot;
	379
	380	if( num_parts != 6 )
	381	{
	382	msn_sb_destroy( sb );
	383	return( 0 );
	384	}
	385
	386	num = atoi( cmd[2] );
	387	tot = atoi( cmd[3] );
	388
	389	if( tot <= 0 )
	390	{
	391	msn_sb_destroy( sb );
	392	return( 0 );
	393	}
	394	else if( tot > 1 )
	395	{
	396	char buf[1024];
	397
	398	if( num == 1 )
	399	{
	400	g_snprintf( buf, sizeof( buf ), "MSN groupchat session %d", sb->session );
[61ae52c]	401	sb->chat = imcb_chat_new( ic, buf );
[b7d3cc34]	402
	403	g_free( sb->who );
	404	sb->who = NULL;
	405	}
	406
[61ae52c]	407	imcb_chat_add_buddy( sb->chat, cmd[4] );
[b7d3cc34]	408
	409	if( num == tot )
	410	{
[61ae52c]	411	imcb_chat_add_buddy( sb->chat, ic->acc->user );
[b7d3cc34]	412	}
	413	}
	414	}
	415	else if( strcmp( cmd[0], "ANS" ) == 0 )
	416	{
	417	if( num_parts != 3 )
	418	{
	419	msn_sb_destroy( sb );
	420	return( 0 );
	421	}
	422
	423	if( strcmp( cmd[2], "OK" ) != 0 )
	424	{
	425	debug( "Switchboard server sent a negative ANS reply" );
	426	msn_sb_destroy( sb );
	427	return( 0 );
	428	}
	429
	430	sb->ready = 1;
	431	}
	432	else if( strcmp( cmd[0], "CAL" ) == 0 )
	433	{
	434	if( num_parts != 4 \|\| !isdigit( cmd[3][0] ) )
	435	{
	436	msn_sb_destroy( sb );
	437	return( 0 );
	438	}
	439
	440	sb->session = atoi( cmd[3] );
	441	}
	442	else if( strcmp( cmd[0], "JOI" ) == 0 )
	443	{
	444	if( num_parts != 3 )
	445	{
	446	msn_sb_destroy( sb );
	447	return( 0 );
	448	}
	449
	450	if( sb->who && g_strcasecmp( cmd[1], sb->who ) == 0 )
	451	{
	452	/* The user we wanted to talk to is finally there, let's send the queued messages then. */
	453	struct msn_message *m;
	454	GSList *l;
	455	int st = 1;
	456
	457	debug( "%s arrived in the switchboard session, now sending queued message(s)", cmd[1] );
	458
	459	/* Without this, sendmessage() will put everything back on the queue... */
	460	sb->ready = 1;
	461
	462	while( ( l = sb->msgq ) )
	463	{
	464	m = l->data;
	465	if( st )
	466	{
	467	/* This hack is meant to convert a regular new chat into a groupchat */
	468	if( strcmp( m->text, GROUPCHAT_SWITCHBOARD_MESSAGE ) == 0 )
	469	msn_sb_to_chat( sb );
	470	else
	471	st = msn_sb_sendmessage( sb, m->text );
	472	}
	473	g_free( m->text );
	474	g_free( m->who );
	475	g_free( m );
	476
	477	sb->msgq = g_slist_remove( sb->msgq, m );
	478	}
	479
	480	return( st );
	481	}
	482	else if( sb->who )
	483	{
	484	debug( "Converting chat with %s to a groupchat because %s joined the session.", sb->who, cmd[1] );
	485
	486	/* This SB is a one-to-one chat right now, but someone else is joining. */
	487	msn_sb_to_chat( sb );
	488
[61ae52c]	489	imcb_chat_add_buddy( sb->chat, cmd[1] );
[b7d3cc34]	490	}
	491	else if( sb->chat )
	492	{
[61ae52c]	493	imcb_chat_add_buddy( sb->chat, cmd[1] );
[b7d3cc34]	494	sb->ready = 1;
	495	}
	496	else
	497	{
	498	/* PANIC! */
	499	}
	500	}
	501	else if( strcmp( cmd[0], "MSG" ) == 0 )
	502	{
	503	if( num_parts != 4 )
	504	{
	505	msn_sb_destroy( sb );
	506	return( 0 );
	507	}
	508
	509	sb->handler->msglen = atoi( cmd[3] );
	510
	511	if( sb->handler->msglen <= 0 )
	512	{
	513	debug( "Received a corrupted message on the switchboard, the switchboard will be closed" );
	514	msn_sb_destroy( sb );
	515	return( 0 );
	516	}
	517	}
[3585c5a]	518	else if( strcmp( cmd[0], "NAK" ) == 0 )
	519	{
	520	if( sb->who )
	521	{
	522	imcb_log( ic, "The MSN servers could not deliver one of your messages to %s.", sb->who );
	523	}
	524	else
	525	{
	526	imcb_log( ic, "The MSN servers could not deliver one of your groupchat messages to all participants." );
	527	}
	528	}
[b7d3cc34]	529	else if( strcmp( cmd[0], "BYE" ) == 0 )
	530	{
	531	if( num_parts < 2 )
	532	{
	533	msn_sb_destroy( sb );
	534	return( 0 );
	535	}
	536
	537	/* if( cmd[2] && cmd[2] == '1' ) -=> Chat is being cleaned up because of idleness /
	538
	539	if( sb->who )
	540	{
	541	/* This is a single-person chat, and the other person is leaving. */
	542	g_free( sb->who );
	543	sb->who = NULL;
	544	sb->ready = 0;
	545
	546	debug( "Person %s left the one-to-one switchboard connection. Keeping it around as a spare...", cmd[1] );
	547
	548	/* We could clean up the switchboard now, but keeping it around
	549	as a spare for a next conversation sounds more sane to me.
	550	The server will clean it up when it's idle for too long. */
	551	}
	552	else if( sb->chat )
	553	{
[61ae52c]	554	imcb_chat_remove_buddy( sb->chat, cmd[1], "" );
[b7d3cc34]	555	}
	556	else
	557	{
	558	/* PANIC! */
	559	}
	560	}
	561	else if( isdigit( cmd[0][0] ) )
	562	{
	563	int num = atoi( cmd[0] );
[08995b0]	564	const struct msn_status_code *err = msn_status_by_number( num );
[b7d3cc34]	565
[84b045d]	566	imcb_error( ic, "Error reported by switchboard server: %s", err->text );
[b7d3cc34]	567
	568	if( err->flags & STATUS_SB_FATAL )
	569	{
	570	msn_sb_destroy( sb );
[6048744]	571	return 0;
[b7d3cc34]	572	}
[6048744]	573	else if( err->flags & STATUS_FATAL )
[b7d3cc34]	574	{
[c2fb3809]	575	imc_logout( ic, TRUE );
[6048744]	576	return 0;
[b7d3cc34]	577	}
[6048744]	578	else if( err->flags & STATUS_SB_IM_SPARE )
[3b9390b]	579	{
	580	if( sb->who )
	581	{
	582	/* Apparently some invitation failed. We might want to use this
	583	board later, so keep it as a spare. */
	584	g_free( sb->who );
	585	sb->who = NULL;
	586
	587	/* Also clear the msgq, otherwise someone else might get them. */
[46dca11]	588	msn_msgq_purge( ic, &sb->msgq );
[3b9390b]	589	}
[6048744]	590
	591	/* Do NOT return 0 here, we want to keep this sb. */
[3b9390b]	592	}
[b7d3cc34]	593	}
	594	else
	595	{
[8ff0a61]	596	/* debug( "Received unknown command from switchboard server: %s", cmd[0] ); */
[b7d3cc34]	597	}
	598
	599	return( 1 );
	600	}
	601
	602	static int msn_sb_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
	603	{
	604	struct msn_switchboard *sb = data;
[0da65d5]	605	struct im_connection *ic = sb->ic;
[b7d3cc34]	606	char *body;
	607	int blen = 0;
	608
	609	if( !num_parts )
	610	return( 1 );
	611
	612	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
	613	{
	614	body += 4;
	615	blen = msglen - ( body - msg );
	616	}
	617
	618	if( strcmp( cmd[0], "MSG" ) == 0 )
	619	{
	620	char *ct = msn_findheader( msg, "Content-Type:", msglen );
	621
	622	if( !ct )
	623	return( 1 );
	624
	625	if( g_strncasecmp( ct, "text/plain", 10 ) == 0 )
	626	{
	627	g_free( ct );
	628
	629	if( !body )
	630	return( 1 );
	631
	632	if( sb->who )
	633	{
[9624fdf]	634	imcb_buddy_msg( ic, cmd[1], body, 0, 0 );
[b7d3cc34]	635	}
	636	else if( sb->chat )
	637	{
[61ae52c]	638	imcb_chat_msg( sb->chat, cmd[1], body, 0, 0 );
[b7d3cc34]	639	}
	640	else
	641	{
	642	/* PANIC! */
	643	}
	644	}
	645	else if( g_strncasecmp( ct, "text/x-msmsgsinvite", 19 ) == 0 )
	646	{
	647	char *itype = msn_findheader( body, "Application-GUID:", blen );
	648	char buf[1024];
	649
	650	g_free( ct );
	651
	652	*buf = 0;
	653
	654	if( !itype )
	655	return( 1 );
	656
	657	/* File transfer. */
	658	if( strcmp( itype, "{5D3E02AB-6190-11d3-BBBB-00C04F795683}" ) == 0 )
	659	{
	660	char *name = msn_findheader( body, "Application-File:", blen );
	661	char *size = msn_findheader( body, "Application-FileSize:", blen );
	662
	663	if( name && size )
	664	{
	665	g_snprintf( buf, sizeof( buf ), "<< \x02""BitlBee\x02"" - Filetransfer: `%s', %s bytes >>\n"
	666	"Filetransfers are not supported by BitlBee for now...", name, size );
	667	}
	668	else
	669	{
	670	strcpy( buf, "<< \x02""BitlBee\x02"" - Corrupted MSN filetransfer invitation message >>" );
	671	}
	672
	673	if( name ) g_free( name );
	674	if( size ) g_free( size );
	675	}
	676	else
	677	{
	678	char *iname = msn_findheader( body, "Application-Name:", blen );
	679
	680	g_snprintf( buf, sizeof( buf ), "<< \x02""BitlBee\x02"" - Unknown MSN invitation - %s (%s) >>",
	681	itype, iname ? iname : "no name" );
	682
	683	if( iname ) g_free( iname );
	684	}
	685
	686	g_free( itype );
	687
	688	if( !*buf )
	689	return( 1 );
	690
	691	if( sb->who )
	692	{
[9624fdf]	693	imcb_buddy_msg( ic, cmd[1], buf, 0, 0 );
[b7d3cc34]	694	}
	695	else if( sb->chat )
	696	{
[61ae52c]	697	imcb_chat_msg( sb->chat, cmd[1], buf, 0, 0 );
[b7d3cc34]	698	}
	699	else
	700	{
	701	/* PANIC! */
	702	}
	703	}
	704	else if( g_strncasecmp( ct, "text/x-msmsgscontrol", 20 ) == 0 )
	705	{
	706	char *who = msn_findheader( msg, "TypingUser:", msglen );
	707
	708	if( who )
	709	{
[9624fdf]	710	imcb_buddy_typing( ic, who, OPT_TYPING );
[b7d3cc34]	711	g_free( who );
	712	}
	713
	714	g_free( ct );
	715	}
	716	else
	717	{
	718	g_free( ct );
	719	}
	720	}
	721
	722	return( 1 );
	723	}

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