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source: protocols/msn/ns.c @ c98be00

Last change on this file since c98be00 was ba9edaa, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-05-10T17:34:46Z
Moved everything to the BitlBee event handling API.
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
[ba9edaa]	32	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond );
[b7d3cc34]	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
[ba9edaa]	38	gboolean msn_ns_connected( gpointer data, gint source, b_input_condition cond )
[b7d3cc34]	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 ) )
[ba9edaa]	45	return FALSE;
[b7d3cc34]	46
	47	if( source == -1 )
	48	{
	49	hide_login_progress( gc, "Could not connect to server" );
	50	signoff( gc );
[ba9edaa]	51	return FALSE;
[b7d3cc34]	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	{
[ba9edaa]	77	gc->inpa = b_input_add( md->fd, GAIM_INPUT_READ, msn_ns_callback, gc );
[b7d3cc34]	78	set_login_progress( gc, 1, "Connected to server, waiting for reply" );
	79	}
[ba9edaa]	80
	81	return FALSE;
[b7d3cc34]	82	}
	83
[ba9edaa]	84	static gboolean msn_ns_callback( gpointer data, gint source, b_input_condition cond )
[b7d3cc34]	85	{
	86	struct gaim_connection *gc = data;
	87	struct msn_data *md = gc->proto_data;
	88
	89	if( msn_handler( md->handler ) == -1 ) /* Don't do this on ret == 0, it's already done then. */
	90	{
	91	hide_login_progress( gc, "Error while reading from server" );
	92	signoff( gc );
[ba9edaa]	93
	94	return FALSE;
[b7d3cc34]	95	}
[ba9edaa]	96	else
	97	return TRUE;
[b7d3cc34]	98	}
	99
	100	static int msn_ns_command( gpointer data, char **cmd, int num_parts )
	101	{
	102	struct gaim_connection *gc = data;
	103	struct msn_data *md = gc->proto_data;
	104	char buf[1024];
	105
	106	if( num_parts == 0 )
	107	{
	108	/* Hrrm... Empty command...? Ignore? */
	109	return( 1 );
	110	}
	111
	112	if( strcmp( cmd[0], "VER" ) == 0 )
	113	{
	114	if( cmd[2] && strncmp( cmd[2], "MSNP8", 5 ) != 0 )
	115	{
	116	hide_login_progress( gc, "Unsupported protocol" );
	117	signoff( gc );
	118	return( 0 );
	119	}
	120
	121	g_snprintf( buf, sizeof( buf ), "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
	122	++md->trId, gc->username );
	123	return( msn_write( gc, buf, strlen( buf ) ) );
	124	}
	125	else if( strcmp( cmd[0], "CVR" ) == 0 )
	126	{
	127	/* We don't give a damn about the information we just received */
	128	g_snprintf( buf, sizeof( buf ), "USR %d TWN I %s\r\n", ++md->trId, gc->username );
	129	return( msn_write( gc, buf, strlen( buf ) ) );
	130	}
	131	else if( strcmp( cmd[0], "XFR" ) == 0 )
	132	{
	133	char *server;
	134	int port;
	135
	136	if( num_parts == 6 && strcmp( cmd[2], "NS" ) == 0 )
	137	{
[ba9edaa]	138	b_event_remove( gc->inpa );
[b7d3cc34]	139	gc->inpa = 0;
	140	closesocket( md->fd );
	141
	142	server = strchr( cmd[3], ':' );
	143	if( !server )
	144	{
	145	hide_login_progress_error( gc, "Syntax error" );
	146	signoff( gc );
	147	return( 0 );
	148	}
	149	*server = 0;
	150	port = atoi( server + 1 );
	151	server = cmd[3];
	152
	153	set_login_progress( gc, 1, "Transferring to other server" );
	154
	155	md->fd = proxy_connect( server, port, msn_ns_connected, gc );
	156	}
	157	else if( num_parts == 6 && strcmp( cmd[2], "SB" ) == 0 )
	158	{
	159	struct msn_switchboard *sb;
	160
	161	server = strchr( cmd[3], ':' );
	162	if( !server )
	163	{
	164	hide_login_progress_error( gc, "Syntax error" );
	165	signoff( gc );
	166	return( 0 );
	167	}
	168	*server = 0;
	169	port = atoi( server + 1 );
	170	server = cmd[3];
	171
	172	if( strcmp( cmd[4], "CKI" ) != 0 )
	173	{
	174	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
	175	signoff( gc );
	176	return( 0 );
	177	}
	178
	179	debug( "Connecting to a new switchboard with key %s", cmd[5] );
	180	sb = msn_sb_create( gc, server, port, cmd[5], MSN_SB_NEW );
	181
	182	if( md->msgq )
	183	{
	184	struct msn_message *m = md->msgq->data;
	185	GSList *l;
	186
	187	sb->who = g_strdup( m->who );
	188
	189	/* Move all the messages to the first user in the message
	190	queue to the switchboard message queue. */
	191	l = md->msgq;
	192	while( l )
	193	{
	194	m = l->data;
	195	l = l->next;
	196	if( strcmp( m->who, sb->who ) == 0 )
	197	{
	198	sb->msgq = g_slist_append( sb->msgq, m );
	199	md->msgq = g_slist_remove( md->msgq, m );
	200	}
	201	}
	202	}
	203	}
	204	else
	205	{
	206	hide_login_progress_error( gc, "Syntax error" );
	207	signoff( gc );
	208	return( 0 );
	209	}
	210	}
	211	else if( strcmp( cmd[0], "USR" ) == 0 )
	212	{
	213	if( num_parts == 5 && strcmp( cmd[2], "TWN" ) == 0 && strcmp( cmd[3], "S" ) == 0 )
	214	{
	215	/* Time for some Passport black magic... */
[ad8b8a3]	216	if( !passport_get_id( msn_auth_got_passport_id, gc, gc->username, gc->password, cmd[4] ) )
[b7d3cc34]	217	{
	218	hide_login_progress_error( gc, "Error while contacting Passport server" );
	219	signoff( gc );
	220	return( 0 );
	221	}
	222	}
	223	else if( num_parts == 7 && strcmp( cmd[2], "OK" ) == 0 )
	224	{
	225	http_decode( cmd[4] );
	226
	227	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
	228	gc->displayname[sizeof(gc->displayname)-1] = 0;
	229
	230	set_login_progress( gc, 1, "Authenticated, getting buddy list" );
	231
	232	g_snprintf( buf, sizeof( buf ), "SYN %d 0\r\n", ++md->trId );
	233	return( msn_write( gc, buf, strlen( buf ) ) );
	234	}
	235	else
	236	{
	237	hide_login_progress( gc, "Unknown authentication type" );
	238	signoff( gc );
	239	return( 0 );
	240	}
	241	}
	242	else if( strcmp( cmd[0], "MSG" ) == 0 )
	243	{
	244	if( num_parts != 4 )
	245	{
	246	hide_login_progress_error( gc, "Syntax error" );
	247	signoff( gc );
	248	return( 0 );
	249	}
	250
	251	md->handler->msglen = atoi( cmd[3] );
	252
	253	if( md->handler->msglen <= 0 )
	254	{
	255	hide_login_progress_error( gc, "Syntax error" );
	256	signoff( gc );
	257	return( 0 );
	258	}
	259	}
	260	else if( strcmp( cmd[0], "SYN" ) == 0 )
	261	{
	262	if( num_parts == 5 )
	263	{
	264	md->buddycount = atoi( cmd[3] );
[bc736cfa]	265	md->groupcount = atoi( cmd[4] );
	266	if( md->groupcount > 0 )
	267	md->grouplist = g_new0( char *, md->groupcount );
[b7d3cc34]	268
	269	if( !*cmd[3] \|\| md->buddycount == 0 )
	270	msn_logged_in( gc );
	271	}
	272	else
	273	{
	274	/* Hrrm... This SYN reply doesn't really look like something we expected.
	275	Let's assume everything is okay. */
	276
	277	msn_logged_in( gc );
	278	}
	279	}
	280	else if( strcmp( cmd[0], "LST" ) == 0 )
	281	{
	282	int list;
	283
	284	if( num_parts != 4 && num_parts != 5 )
	285	{
	286	hide_login_progress( gc, "Syntax error" );
	287	signoff( gc );
	288	return( 0 );
	289	}
	290
	291	http_decode( cmd[2] );
	292	list = atoi( cmd[3] );
	293
	294	if( list & 1 ) /* FL */
	295	{
[1ad104a]	296	char *group = NULL;
	297	int num;
	298
	299	if( cmd[4] != NULL && sscanf( cmd[4], "%d", &num ) == 1 )
	300	group = md->grouplist[num];
	301
	302	add_buddy( gc, group, cmd[1], cmd[2] );
[b7d3cc34]	303	}
	304	if( list & 2 ) /* AL */
	305	{
	306	gc->permit = g_slist_append( gc->permit, g_strdup( cmd[1] ) );
	307	}
	308	if( list & 4 ) /* BL */
	309	{
	310	gc->deny = g_slist_append( gc->deny, g_strdup( cmd[1] ) );
	311	}
	312	if( list & 8 ) /* RL */
	313	{
	314	if( ( list & 6 ) == 0 )
	315	msn_buddy_ask( gc, cmd[1], cmd[2] );
	316	}
	317
	318	if( --md->buddycount == 0 )
	319	{
	320	if( gc->flags & OPT_LOGGED_IN )
	321	{
	322	serv_got_crap( gc, "Successfully transferred to different server" );
	323	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
	324	return( msn_write( gc, buf, strlen( buf ) ) );
	325	}
	326	else
	327	{
	328	msn_logged_in( gc );
	329	}
	330	}
	331	}
[bc736cfa]	332	else if( strcmp( cmd[0], "LSG" ) == 0 )
[b7d3cc34]	333	{
[bc736cfa]	334	int num;
	335
	336	if( num_parts != 4 )
	337	{
	338	hide_login_progress_error( gc, "Syntax error" );
	339	signoff( gc );
	340	return( 0 );
	341	}
	342
	343	http_decode( cmd[2] );
	344	num = atoi( cmd[1] );
	345
	346	if( num < md->groupcount )
	347	md->grouplist[num] = g_strdup( cmd[2] );
[b7d3cc34]	348	}
	349	else if( strcmp( cmd[0], "CHL" ) == 0 )
	350	{
	351	md5_state_t state;
	352	md5_byte_t digest[16];
	353	int i;
	354
	355	if( num_parts != 3 )
	356	{
	357	hide_login_progress_error( gc, "Syntax error" );
	358	signoff( gc );
	359	return( 0 );
	360	}
	361
	362	md5_init( &state );
	363	md5_append( &state, (const md5_byte_t *) cmd[2], strlen( cmd[2] ) );
	364	md5_append( &state, (const md5_byte_t *) QRY_CODE, strlen( QRY_CODE ) );
	365	md5_finish( &state, digest );
	366
	367	g_snprintf( buf, sizeof( buf ), "QRY %d %s %d\r\n", ++md->trId, QRY_NAME, 32 );
	368	for( i = 0; i < 16; i ++ )
	369	g_snprintf( buf + strlen( buf ), 3, "%02x", digest[i] );
	370
	371	return( msn_write( gc, buf, strlen( buf ) ) );
	372	}
	373	else if( strcmp( cmd[0], "ILN" ) == 0 )
	374	{
[08995b0]	375	const struct msn_away_state *st;
[b7d3cc34]	376
	377	if( num_parts != 6 )
	378	{
	379	hide_login_progress_error( gc, "Syntax error" );
	380	signoff( gc );
	381	return( 0 );
	382	}
	383
	384	http_decode( cmd[4] );
	385	serv_buddy_rename( gc, cmd[3], cmd[4] );
	386
	387	st = msn_away_state_by_code( cmd[2] );
	388	if( !st )
	389	{
	390	/* FIXME: Warn/Bomb about unknown away state? */
	391	st = msn_away_state_list;
	392	}
	393
	394	serv_got_update( gc, cmd[3], 1, 0, 0, 0, st->number, 0 );
	395	}
	396	else if( strcmp( cmd[0], "FLN" ) == 0 )
	397	{
	398	if( cmd[1] )
	399	serv_got_update( gc, cmd[1], 0, 0, 0, 0, 0, 0 );
	400	}
	401	else if( strcmp( cmd[0], "NLN" ) == 0 )
	402	{
[08995b0]	403	const struct msn_away_state *st;
[b7d3cc34]	404
	405	if( num_parts != 5 )
	406	{
	407	hide_login_progress_error( gc, "Syntax error" );
	408	signoff( gc );
	409	return( 0 );
	410	}
	411
	412	http_decode( cmd[3] );
	413	serv_buddy_rename( gc, cmd[2], cmd[3] );
	414
	415	st = msn_away_state_by_code( cmd[1] );
	416	if( !st )
	417	{
	418	/* FIXME: Warn/Bomb about unknown away state? */
	419	st = msn_away_state_list;
	420	}
	421
	422	serv_got_update( gc, cmd[2], 1, 0, 0, 0, st->number, 0 );
	423	}
	424	else if( strcmp( cmd[0], "RNG" ) == 0 )
	425	{
	426	struct msn_switchboard *sb;
	427	char *server;
	428	int session, port;
	429
	430	if( num_parts != 7 )
	431	{
	432	hide_login_progress_error( gc, "Syntax error" );
	433	signoff( gc );
	434	return( 0 );
	435	}
	436
	437	session = atoi( cmd[1] );
	438
	439	server = strchr( cmd[2], ':' );
	440	if( !server )
	441	{
	442	hide_login_progress_error( gc, "Syntax error" );
	443	signoff( gc );
	444	return( 0 );
	445	}
	446	*server = 0;
	447	port = atoi( server + 1 );
	448	server = cmd[2];
	449
	450	if( strcmp( cmd[3], "CKI" ) != 0 )
	451	{
	452	hide_login_progress_error( gc, "Unknown authentication method for switchboard" );
	453	signoff( gc );
	454	return( 0 );
	455	}
	456
	457	debug( "Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4] );
	458
	459	sb = msn_sb_create( gc, server, port, cmd[4], session );
	460	sb->who = g_strdup( cmd[5] );
	461	}
	462	else if( strcmp( cmd[0], "ADD" ) == 0 )
	463	{
	464	if( num_parts == 6 && strcmp( cmd[2], "RL" ) == 0 )
	465	{
	466	GSList *l;
	467
	468	http_decode( cmd[5] );
	469
	470	if( strchr( cmd[4], '@' ) == NULL )
	471	{
	472	hide_login_progress_error( gc, "Syntax error" );
	473	signoff( gc );
	474	return( 0 );
	475	}
	476
	477	/* We got added by someone. If we don't have this person in permit/deny yet, inform the user. */
	478	for( l = gc->permit; l; l = l->next )
	479	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
	480	return( 1 );
	481
	482	for( l = gc->deny; l; l = l->next )
	483	if( g_strcasecmp( l->data, cmd[4] ) == 0 )
	484	return( 1 );
	485
	486	msn_buddy_ask( gc, cmd[4], cmd[5] );
	487	}
	488	}
	489	else if( strcmp( cmd[0], "OUT" ) == 0 )
	490	{
	491	if( cmd[1] && strcmp( cmd[1], "OTH" ) == 0 )
	492	{
	493	hide_login_progress_error( gc, "Someone else logged in with your account" );
	494	gc->wants_to_die = 1;
	495	}
	496	else if( cmd[1] && strcmp( cmd[1], "SSD" ) == 0 )
	497	{
	498	hide_login_progress_error( gc, "Terminating session because of server shutdown" );
	499	}
	500	else
	501	{
	502	hide_login_progress_error( gc, "Session terminated by remote server (reason unknown)" );
	503	}
	504
	505	signoff( gc );
	506	return( 0 );
	507	}
	508	else if( strcmp( cmd[0], "REA" ) == 0 )
	509	{
	510	if( num_parts != 5 )
	511	{
	512	hide_login_progress_error( gc, "Syntax error" );
	513	signoff( gc );
	514	return( 0 );
	515	}
	516
	517	if( g_strcasecmp( cmd[3], gc->username ) == 0 )
	518	{
	519	http_decode( cmd[4] );
	520	strncpy( gc->displayname, cmd[4], sizeof( gc->displayname ) );
	521	gc->displayname[sizeof(gc->displayname)-1] = 0;
	522	}
	523	else
	524	{
	525	/* This is not supposed to happen, but let's handle it anyway... */
	526	http_decode( cmd[4] );
	527	serv_buddy_rename( gc, cmd[3], cmd[4] );
	528	}
	529	}
	530	else if( strcmp( cmd[0], "IPG" ) == 0 )
	531	{
	532	do_error_dialog( gc, "Received IPG command, we don't handle them yet.", "MSN" );
	533
	534	md->handler->msglen = atoi( cmd[1] );
	535
	536	if( md->handler->msglen <= 0 )
	537	{
	538	hide_login_progress_error( gc, "Syntax error" );
	539	signoff( gc );
	540	return( 0 );
	541	}
	542	}
	543	else if( isdigit( cmd[0][0] ) )
	544	{
	545	int num = atoi( cmd[0] );
[08995b0]	546	const struct msn_status_code *err = msn_status_by_number( num );
[b7d3cc34]	547
	548	g_snprintf( buf, sizeof( buf ), "Error reported by MSN server: %s", err->text );
	549	do_error_dialog( gc, buf, "MSN" );
	550
	551	if( err->flags & STATUS_FATAL )
	552	{
	553	signoff( gc );
	554	return( 0 );
	555	}
	556	}
	557	else
	558	{
	559	debug( "Received unknown command from main server: %s", cmd[0] );
	560	}
	561
	562	return( 1 );
	563	}
	564
	565	static int msn_ns_message( gpointer data, char msg, int msglen, char *cmd, int num_parts )
	566	{
	567	struct gaim_connection *gc = data;
	568	char *body;
	569	int blen = 0;
	570
	571	if( !num_parts )
	572	return( 1 );
	573
	574	if( ( body = strstr( msg, "\r\n\r\n" ) ) )
	575	{
	576	body += 4;
	577	blen = msglen - ( body - msg );
	578	}
	579
	580	if( strcmp( cmd[0], "MSG" ) == 0 )
	581	{
	582	if( g_strcasecmp( cmd[1], "Hotmail" ) == 0 )
	583	{
	584	char *ct = msn_findheader( msg, "Content-Type:", msglen );
	585
	586	if( !ct )
	587	return( 1 );
	588
	589	if( g_strncasecmp( ct, "application/x-msmsgssystemmessage", 33 ) == 0 )
	590	{
	591	char *mtype;
	592	char *arg1;
	593
	594	if( !body )
	595	return( 1 );
	596
	597	mtype = msn_findheader( body, "Type:", blen );
	598	arg1 = msn_findheader( body, "Arg1:", blen );
	599
	600	if( mtype && strcmp( mtype, "1" ) == 0 )
	601	{
	602	if( arg1 )
	603	serv_got_crap( gc, "The server is going down for maintenance in %s minutes.", arg1 );
	604	}
	605
	606	if( arg1 ) g_free( arg1 );
	607	if( mtype ) g_free( mtype );
	608	}
	609	else if( g_strncasecmp( ct, "text/x-msmsgsprofile", 20 ) == 0 )
	610	{
	611	/* We don't care about this profile for now... */
	612	}
	613	else if( g_strncasecmp( ct, "text/x-msmsgsinitialemailnotification", 37 ) == 0 )
	614	{
	615	char *inbox = msn_findheader( body, "Inbox-Unread:", blen );
	616	char *folders = msn_findheader( body, "Folders-Unread:", blen );
	617
	618	if( inbox && folders )
	619	{
	620	serv_got_crap( gc, "INBOX contains %s new messages, plus %s messages in other folders.", inbox, folders );
	621	}
	622	}
	623	else if( g_strncasecmp( ct, "text/x-msmsgsemailnotification", 30 ) == 0 )
	624	{
	625	char *from = msn_findheader( body, "From-Addr:", blen );
	626	char *fromname = msn_findheader( body, "From:", blen );
	627
	628	if( from && fromname )
	629	{
	630	serv_got_crap( gc, "Received an e-mail message from %s <%s>.", fromname, from );
	631	}
	632	}
	633	else if( g_strncasecmp( ct, "text/x-msmsgsactivemailnotification", 35 ) == 0 )
	634	{
	635	/* Sorry, but this one really is USELESS */
	636	}
	637	else
	638	{
	639	debug( "Can't handle %s packet from notification server", ct );
	640	}
	641
	642	g_free( ct );
	643	}
	644	}
	645
	646	return( 1 );
	647	}
	648
	649	static void msn_auth_got_passport_id( struct passport_reply *rep )
	650	{
	651	struct gaim_connection *gc = rep->data;
	652	struct msn_data *md = gc->proto_data;
	653	char *key = rep->result;
	654	char buf[1024];
	655
	656	if( key == NULL )
	657	{
	658	hide_login_progress( gc, "Error during Passport authentication" );
	659	signoff( gc );
	660	}
	661	else
	662	{
	663	g_snprintf( buf, sizeof( buf ), "USR %d TWN S %s\r\n", ++md->trId, key );
	664	msn_write( gc, buf, strlen( buf ) );
	665	}
	666	}

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