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source: protocols/msn/msn_util.c @ a15c097

Last change on this file since a15c097 was 42d9571, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-03-18T09:10:44Z
Stupid warnings. :-P
Property mode set to `100644`
File size: 8.3 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 - Miscellaneous 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 "nogaim.h"
	27	#include "msn.h"
	28	#include <ctype.h>
	29
	30	int msn_write( struct gaim_connection gc, char s, int len )
	31	{
	32	struct msn_data *md = gc->proto_data;
	33	int st;
	34
	35	st = write( md->fd, s, len );
	36	if( st != len )
	37	{
	38	hide_login_progress_error( gc, "Short write() to main server" );
	39	signoff( gc );
	40	return( 0 );
	41	}
	42
	43	return( 1 );
	44	}
	45
	46	int msn_logged_in( struct gaim_connection *gc )
	47	{
	48	account_online( gc );
	49
	50	return( 0 );
	51	}
	52
	53	int msn_buddy_list_add( struct gaim_connection gc, char list, char who, char realname_ )
	54	{
	55	struct msn_data *md = gc->proto_data;
	56	GSList l, *lp = NULL;
	57	char buf[1024], *realname;
	58
	59	if( strcmp( list, "AL" ) == 0 )
	60	lp = &gc->permit;
	61	else if( strcmp( list, "BL" ) == 0 )
	62	lp = &gc->deny;
	63
	64	if( lp )
	65	for( l = *lp; l; l = l->next )
	66	if( g_strcasecmp( l->data, who ) == 0 )
	67	return( 1 );
	68
	69	realname = g_new0( char, strlen( realname_ ) * 3 + 1 );
	70	strcpy( realname, realname_ );
	71	http_encode( realname );
	72
	73	g_snprintf( buf, sizeof( buf ), "ADD %d %s %s %s\r\n", ++md->trId, list, who, realname );
	74	if( msn_write( gc, buf, strlen( buf ) ) )
	75	{
	76	g_free( realname );
	77
	78	if( lp )
	79	lp = g_slist_append( lp, g_strdup( who ) );
	80
	81	return( 1 );
	82	}
	83
	84	g_free( realname );
	85
	86	return( 0 );
	87	}
	88
	89	int msn_buddy_list_remove( struct gaim_connection gc, char list, char *who )
	90	{
	91	struct msn_data *md = gc->proto_data;
	92	GSList l = NULL, *lp = NULL;
	93	char buf[1024];
	94
	95	if( strcmp( list, "AL" ) == 0 )
	96	lp = &gc->permit;
	97	else if( strcmp( list, "BL" ) == 0 )
	98	lp = &gc->deny;
	99
	100	if( lp )
	101	{
	102	for( l = *lp; l; l = l->next )
	103	if( g_strcasecmp( l->data, who ) == 0 )
	104	break;
	105
	106	if( !l )
	107	return( 1 );
	108	}
	109
	110	g_snprintf( buf, sizeof( buf ), "REM %d %s %s\r\n", ++md->trId, list, who );
	111	if( msn_write( gc, buf, strlen( buf ) ) )
	112	{
	113	if( lp )
	114	lp = g_slist_remove( lp, l->data );
	115
	116	return( 1 );
	117	}
	118
	119	return( 0 );
	120	}
	121
	122	struct msn_buddy_ask_data
	123	{
	124	struct gaim_connection *gc;
	125	char *handle;
	126	char *realname;
	127	};
	128
	129	static void msn_buddy_ask_yes( gpointer w, struct msn_buddy_ask_data *bla )
	130	{
	131	msn_buddy_list_add( bla->gc, "AL", bla->handle, bla->realname );
	132
	133	g_free( bla->handle );
	134	g_free( bla->realname );
	135	g_free( bla );
	136	}
	137
	138	static void msn_buddy_ask_no( gpointer w, struct msn_buddy_ask_data *bla )
	139	{
	140	msn_buddy_list_add( bla->gc, "BL", bla->handle, bla->realname );
	141
	142	g_free( bla->handle );
	143	g_free( bla->realname );
	144	g_free( bla );
	145	}
	146
	147	void msn_buddy_ask( struct gaim_connection gc, char handle, char *realname )
	148	{
	149	struct msn_buddy_ask_data *bla = g_new0( struct msn_buddy_ask_data, 1 );
	150	char buf[1024];
	151
	152	bla->gc = gc;
	153	bla->handle = g_strdup( handle );
	154	bla->realname = g_strdup( realname );
	155
	156	g_snprintf( buf, sizeof( buf ),
[5c09a59]	157	"The user %s (%s) wants to add you to his/her buddy list.",
[b7d3cc34]	158	handle, realname );
	159	do_ask_dialog( gc, buf, bla, msn_buddy_ask_yes, msn_buddy_ask_no );
	160	}
	161
	162	char msn_findheader( char text, char *header, int len )
	163	{
	164	int hlen = strlen( header ), i;
	165	char *ret;
	166
	167	if( len == 0 )
	168	len = strlen( text );
	169
	170	i = 0;
	171	while( ( i + hlen ) < len )
	172	{
	173	/* Maybe this is a bit over-commented, but I just hate this part... */
	174	if( g_strncasecmp( text + i, header, hlen ) == 0 )
	175	{
	176	/* Skip to the (probable) end of the header */
	177	i += hlen;
	178
	179	/* Find the first non-[: \t] character */
	180	while( i < len && ( text[i] == ':' \|\| text[i] == ' ' \|\| text[i] == '\t' ) ) i ++;
	181
	182	/* Make sure we're still inside the string */
	183	if( i >= len ) return( NULL );
	184
	185	/* Save the position */
	186	ret = text + i;
	187
	188	/* Search for the end of this line */
	189	while( i < len && text[i] != '\r' && text[i] != '\n' ) i ++;
	190
	191	/* Make sure we're still inside the string */
	192	if( i >= len ) return( NULL );
	193
	194	/* Copy the found data */
	195	return( g_strndup( ret, text + i - ret ) );
	196	}
	197
	198	/* This wasn't the header we were looking for, skip to the next line. */
	199	while( i < len && ( text[i] != '\r' && text[i] != '\n' ) ) i ++;
	200	while( i < len && ( text[i] == '\r' \|\| text[i] == '\n' ) ) i ++;
	201
	202	/* End of headers? */
	203	if( strncmp( text + i - 2, "\n\n", 2 ) == 0 \|\|
	204	strncmp( text + i - 4, "\r\n\r\n", 4 ) == 0 \|\|
	205	strncmp( text + i - 2, "\r\r", 2 ) == 0 )
	206	{
	207	break;
	208	}
	209	}
	210
	211	return( NULL );
	212	}
	213
	214	/* NOT thread-safe, but that's not a problem for now... */
	215	char *msn_linesplit( char line )
	216	{
	217	static char **ret = NULL;
	218	static int size = 3;
	219	int i, n = 0;
	220
	221	if( ret == NULL )
	222	ret = g_new0( char*, size );
	223
	224	for( i = 0; line[i] && line[i] == ' '; i ++ );
	225	if( line[i] )
	226	{
	227	ret[n++] = line + i;
	228	for( i ++; line[i]; i ++ )
	229	{
	230	if( line[i] == ' ' )
	231	line[i] = 0;
	232	else if( line[i] != ' ' && !line[i-1] )
	233	ret[n++] = line + i;
	234
	235	if( n >= size )
	236	ret = g_renew( char*, ret, size += 2 );
	237	}
	238	}
	239	ret[n] = NULL;
	240
	241	return( ret );
	242	}
	243
	244	/* This one handles input from a MSN Messenger server. Both the NS and SB servers usually give
	245	commands, but sometimes they give additional data (payload). This function tries to handle
	246	this all in a nice way and send all data to the right places. */
	247
	248	/* Return values: -1: Read error, abort connection.
	249	0: Command reported error; Abort immediately. (The connection does not exist anymore)
	250	1: OK */
	251
	252	int msn_handler( struct msn_handler_data *h )
	253	{
	254	int st;
	255
	256	h->rxq = g_renew( char, h->rxq, h->rxlen + 1024 );
	257	st = read( h->fd, h->rxq + h->rxlen, 1024 );
	258	h->rxlen += st;
	259
	260	if( st <= 0 )
	261	return( -1 );
	262
	263	while( st )
	264	{
	265	int i;
	266
	267	if( h->msglen == 0 )
	268	{
	269	for( i = 0; i < h->rxlen; i ++ )
	270	{
	271	if( h->rxq[i] == '\r' \|\| h->rxq[i] == '\n' )
	272	{
	273	char cmd_text, *cmd;
	274	int count;
	275
	276	cmd_text = g_strndup( h->rxq, i );
	277	cmd = msn_linesplit( cmd_text );
	278	for( count = 0; cmd[count]; count ++ );
	279	st = h->exec_command( h->data, cmd, count );
	280	g_free( cmd_text );
	281
	282	/* If the connection broke, don't continue. We don't even exist anymore. */
	283	if( !st )
	284	return( 0 );
	285
	286	if( h->msglen )
	287	h->cmd_text = g_strndup( h->rxq, i );
	288
	289	/* Skip to the next non-emptyline */
	290	while( i < h->rxlen && ( h->rxq[i] == '\r' \|\| h->rxq[i] == '\n' ) ) i ++;
	291
	292	break;
	293	}
	294	}
	295
	296	/* If we reached the end of the buffer, there's still an incomplete command there.
	297	Return and wait for more data. */
	298	if( i == h->rxlen && h->rxq[i-1] != '\r' && h->rxq[i-1] != '\n' )
	299	break;
	300	}
	301	else
	302	{
	303	char msg, *cmd;
	304	int count;
	305
	306	/* Do we have the complete message already? */
	307	if( h->msglen > h->rxlen )
	308	break;
	309
	310	msg = g_strndup( h->rxq, h->msglen );
	311	cmd = msn_linesplit( h->cmd_text );
	312	for( count = 0; cmd[count]; count ++ );
	313
	314	st = h->exec_message( h->data, msg, h->msglen, cmd, count );
	315	g_free( msg );
	316	g_free( h->cmd_text );
	317	h->cmd_text = NULL;
	318
	319	if( !st )
	320	return( 0 );
	321
	322	i = h->msglen;
	323	h->msglen = 0;
	324	}
	325
	326	/* More data after this block? */
	327	if( i < h->rxlen )
	328	{
	329	char *tmp;
	330
	331	tmp = g_memdup( h->rxq + i, h->rxlen - i );
	332	g_free( h->rxq );
	333	h->rxq = tmp;
	334	h->rxlen -= i;
	335	i = 0;
	336	}
	337	else
	338	/* If not, reset the rx queue and get lost. */
	339	{
	340	g_free( h->rxq );
	341	h->rxq = g_new0( char, 1 );
	342	h->rxlen = 0;
	343	return( 1 );
	344	}
	345	}
	346
	347	return( 1 );
	348	}

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