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source: protocols/msn/ns.c @ 79b6213

Last change on this file since 79b6213 was a2582c8, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-05-26T22:44:48Z
Added error_string variable to Passport client.
Property mode set to `100644`
File size: 16.0 KB

Rev	Line
[b7d3cc34]	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... */
[ad8b8a3]	210	if( !passport_get_id( msn_auth_got_passport_id, gc, gc->username, gc->password, cmd[4] ) )
[b7d3cc34]	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] );
[bc736cfa]	259	md->groupcount = atoi( cmd[4] );
	260	if( md->groupcount > 0 )
	261	md->grouplist = g_new0( char *, md->groupcount );
[b7d3cc34]	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	{
[1ad104a]	290	char *group = NULL;
	291	int num;
	292
	293	if( cmd[4] != NULL && sscanf( cmd[4], "%d", &num ) == 1 )
	294	group = md->grouplist[num];
	295
	296	add_buddy( gc, group, cmd[1], cmd[2] );
[b7d3cc34]	297	}
	298	if( list & 2 ) /* AL */
	299	{
	300	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
	301	}
	302	if( list & 4 ) /* BL */
	303	{
	304	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
	305	}
	306	if( list & 8 ) /* RL */
	307	{
	308	if( ( list & 6 ) == 0 )
	309	msn_buddy_ask( gc, cmd[1], cmd[2] );
	310	}
	311
	312	if( --md->buddycount == 0 )
	313	{
	314	if( gc->flags & OPT_LOGGED_IN )
	315	{
	316	serv_got_crap( gc, "Successfully transferred to different server" );
	317	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
	318	return( msn_write( gc, buf, strlen( buf ) ) );
	319	}
	320	else
	321	{
	322	msn_logged_in( gc );
	323	}
	324	}
	325	}
[bc736cfa]	326	else if( strcmp( cmd[0], "LSG" ) == 0 )
[b7d3cc34]	327	{
[bc736cfa]	328	int num;
	329
	330	if( num_parts != 4 )
	331	{
	332	hide_login_progress_error( gc, "Syntax error" );
	333	signoff( gc );
	334	return( 0 );
	335	}
	336
	337	http_decode( cmd[2] );
	338	num = atoi( cmd[1] );
	339
	340	if( num < md->groupcount )
	341	md->grouplist[num] = g_strdup( cmd[2] );
[b7d3cc34]	342	}
	343	else if( strcmp( cmd[0], "CHL" ) == 0 )
	344	{
	345	md5_state_t state;
	346	md5_byte_t digest[16];
	347	int i;
	348
	349	if( num_parts != 3 )
	350	{
	351	hide_login_progress_error( gc, "Syntax error" );
	352	signoff( gc );
	353	return( 0 );
	354	}
	355
	356	md5_init( &state );
	357	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
	358	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
	359	md5_finish( &state, digest );
	360
	361	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
	362	for( i = 0; i < 16; i ++ )
	363	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
	364
	365	return( msn_write( gc, buf, strlen( buf ) ) );
	366	}
	367	else if( strcmp( cmd[0], "ILN" ) == 0 )
	368	{
[08995b0]	369	const struct msn_away_state *st;
[b7d3cc34]	370
	371	if( num_parts != 6 )
	372	{
	373	hide_login_progress_error( gc, "Syntax error" );
	374	signoff( gc );
	375	return( 0 );
	376	}
	377
	378	http_decode( cmd[4] );
	379	serv_buddy_rename( gc, cmd[3], cmd[4] );
	380
	381	st = msn_away_state_by_code( cmd[2] );
	382	if( !st )
	383	{
	384	/* FIXME: Warn/Bomb about unknown away state? */
	385	st = msn_away_state_list;
	386	}
	387
	388	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
	389	}
	390	else if( strcmp( cmd[0], "FLN" ) == 0 )
	391	{
	392	if( cmd[1] )
	393	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
	394	}
	395	else if( strcmp( cmd[0], "NLN" ) == 0 )
	396	{
[08995b0]	397	const struct msn_away_state *st;
[b7d3cc34]	398
	399	if( num_parts != 5 )
	400	{
	401	hide_login_progress_error( gc, "Syntax error" );
	402	signoff( gc );
	403	return( 0 );
	404	}
	405
	406	http_decode( cmd[3] );
	407	serv_buddy_rename( gc, cmd[2], cmd[3] );
	408
	409	st = msn_away_state_by_code( cmd[1] );
	410	if( !st )
	411	{
	412	/* FIXME: Warn/Bomb about unknown away state? */
	413	st = msn_away_state_list;
	414	}
	415
	416	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
	417	}
	418	else if( strcmp( cmd[0], "RNG" ) == 0 )
	419	{
	420	struct msn_switchboard *sb;
	421	char *server;
	422	int session, port;
	423
	424	if( num_parts != 7 )
	425	{
	426	hide_login_progress_error( gc, "Syntax error" );
	427	signoff( gc );
	428	return( 0 );
	429	}
	430
	431	session = atoi( cmd[1] );
	432
	433	server = strchr( cmd[2], ':' );
	434	if( !server )
	435	{
	436	hide_login_progress_error( gc, "Syntax error" );
	437	signoff( gc );
	438	return( 0 );
	439	}
	440	*server = 0;
	441	port = atoi( server + 1 );
	442	server = cmd[2];
	443
	444	if( strcmp( cmd[3], "CKI" ) != 0 )
	445	{
	446	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
	447	signoff( gc );
	448	return( 0 );
	449	}
	450
	451	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
	452
	453	sb = msn_sb_create( gc, server, port, cmd[4], session );
	454	sb->who = g_strdup( cmd[5] );
	455	}
	456	else if( strcmp( cmd[0], "ADD" ) == 0 )
	457	{
	458	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
	459	{
	460	GSList *l;
	461
	462	http_decode( cmd[5] );
	463
	464	if( strchr( cmd[4], '@' ) == NULL )
	465	{
	466	hide_login_progress_error( gc, "Syntax error" );
	467	signoff( gc );
	468	return( 0 );
	469	}
	470
	471	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
	472	for( l = gc->permit; l; l = l->next )
	473	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
	474	return( 1 );
	475
	476	for( l = gc->deny; l; l = l->next )
	477	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
	478	return( 1 );
	479
	480	msn_buddy_ask( gc, cmd[4], cmd[5] );
	481	}
	482	}
	483	else if( strcmp( cmd[0], "OUT" ) == 0 )
	484	{
	485	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
	486	{
	487	hide_login_progress_error( gc, "Someone else logged in with your account" );
	488	gc->wants_to_die = 1;
	489	}
	490	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
	491	{
	492	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
	493	}
	494	else
	495	{
	496	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
	497	}
	498
	499	signoff( gc );
	500	return( 0 );
	501	}
	502	else if( strcmp( cmd[0], "REA" ) == 0 )
	503	{
	504	if( num_parts != 5 )
	505	{
	506	hide_login_progress_error( gc, "Syntax error" );
	507	signoff( gc );
	508	return( 0 );
	509	}
	510
	511	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
	512	{
	513	http_decode( cmd[4] );
	514	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
	515	gc->displayname[sizeof(gc->displayname)-1] = 0;
	516	}
	517	else
	518	{
	519	/* This is not supposed to happen, but let's handle it anyway... */
	520	http_decode( cmd[4] );
	521	serv_buddy_rename( gc, cmd[3], cmd[4] );
	522	}
	523	}
	524	else if( strcmp( cmd[0], "IPG" ) == 0 )
	525	{
	526	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
	527
	528	md->handler->msglen = atoi( cmd[1] );
	529
	530	if( md->handler->msglen <= 0 )
	531	{
	532	hide_login_progress_error( gc, "Syntax error" );
	533	signoff( gc );
	534	return( 0 );
	535	}
	536	}
	537	else if( isdigit( cmd[0][0] ) )
	538	{
	539	int num = atoi( cmd[0] );
[08995b0]	540	const struct msn_status_code *err = msn_status_by_number( num );
[b7d3cc34]	541
	542	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
	543	do_error_dialog( gc, buf, "MSN" );
	544
	545	if( err->flags & STATUS_FATAL )
	546	{
	547	signoff( gc );
	548	return( 0 );
	549	}
	550	}
	551	else
	552	{
	553	debug( "Received unknown command from main server: %s", cmd[0] );
	554	}
	555
	556	return( 1 );
	557	}
	558
	559	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
	560	{
	561	struct gaim_connection *gc = data;
	562	char *body;
	563	int blen = 0;
	564
	565	if( !num_parts )
	566	return( 1 );
	567
	568	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
	569	{
	570	body += 4;
	571	blen = msglen - ( body - msg );
	572	}
	573
	574	if( strcmp( cmd[0], "MSG" ) == 0 )
	575	{
	576	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
	577	{
	578	char *ct = msn_findheader( msg, "Content-Type:", msglen );
	579
	580	if( !ct )
	581	return( 1 );
	582
	583	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
	584	{
	585	char *mtype;
	586	char *arg1;
	587
	588	if( !body )
	589	return( 1 );
	590
	591	mtype = msn_findheader( body, "Type:", blen );
	592	arg1 = msn_findheader( body, "Arg1:", blen );
	593
	594	if( mtype && strcmp( mtype, "1" ) == 0 )
	595	{
	596	if( arg1 )
	597	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
	598	}
	599
	600	if( arg1 ) g_free( arg1 );
	601	if( mtype ) g_free( mtype );
	602	}
	603	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
	604	{
	605	/* We don't care about this profile for now... */
	606	}
	607	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
	608	{
	609	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
	610	char *folders = msn_findheader( body, "Folders-Unread:", blen );
	611
	612	if( inbox && folders )
	613	{
	614	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
	615	}
	616	}
	617	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
	618	{
	619	char *from = msn_findheader( body, "From-Addr:", blen );
	620	char *fromname = msn_findheader( body, "From:", blen );
	621
	622	if( from && fromname )
	623	{
	624	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
	625	}
	626	}
	627	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
	628	{
	629	/* Sorry, but this one really is USELESS */
	630	}
	631	else
	632	{
	633	debug( "Can't handle %s packet from notification server", ct );
	634	}
	635
	636	g_free( ct );
	637	}
	638	}
	639
	640	return( 1 );
	641	}
	642
	643	static void msn_auth_got_passport_id( struct passport_reply *rep )
	644	{
	645	struct gaim_connection *gc = rep->data;
	646	struct msn_data *md = gc->proto_data;
	647	char *key = rep->result;
	648	char buf[1024];
	649
	650	if( key == NULL )
	651	{
[a2582c8]	652	char *err;
	653
	654	err = g_strdup_printf( "Error during Passport authentication (%s)",
	655	rep->error_string ? rep->error_string : "Unknown error" );
	656
	657	hide_login_progress( gc, err );
[b7d3cc34]	658	signoff( gc );
[a2582c8]	659
	660	g_free( err );
[b7d3cc34]	661	}
	662	else
	663	{
	664	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
	665	msn_write( gc, buf, strlen( buf ) );
	666	}
	667	}

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