Context Navigation

source: protocols/msn/msn_util.c @ f7f3ada

Last change on this file since f7f3ada was b7d3cc34, checked in by Wilmer van der Gaast <wilmer@…>, at 2005-11-06T18:23:18Z
Initial repository (0.99 release tree)
Property mode set to `100644`
File size: 8.6 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	struct msn_data *md = gc->proto_data;
	49	char buf[1024];
	50
	51	account_online( gc );
	52
	53	/* account_online() sets an away state if there is any, so only
	54	execute this code if we're not away. */
	55	if( md->away_state == msn_away_state_list )
	56	{
	57	g_snprintf( buf, sizeof( buf ), "CHG %d %s %d\r\n", ++md->trId, md->away_state->code, 0 );
	58	return( msn_write( gc, buf, strlen( buf ) ) );
	59	}
	60
	61	return( 0 );
	62	}
	63
	64	int msn_buddy_list_add( struct gaim_connection gc, char list, char who, char realname_ )
	65	{
	66	struct msn_data *md = gc->proto_data;
	67	GSList l, *lp = NULL;
	68	char buf[1024], *realname;
	69
	70	if( strcmp( list, "AL" ) == 0 )
	71	lp = &gc->permit;
	72	else if( strcmp( list, "BL" ) == 0 )
	73	lp = &gc->deny;
	74
	75	if( lp )
	76	for( l = *lp; l; l = l->next )
	77	if( g_strcasecmp( l->data, who ) == 0 )
	78	return( 1 );
	79
	80	realname = g_new0( char, strlen( realname_ ) * 3 + 1 );
	81	strcpy( realname, realname_ );
	82	http_encode( realname );
	83
	84	g_snprintf( buf, sizeof( buf ), "ADD %d %s %s %s\r\n", ++md->trId, list, who, realname );
	85	if( msn_write( gc, buf, strlen( buf ) ) )
	86	{
	87	g_free( realname );
	88
	89	if( lp )
	90	lp = g_slist_append( lp, g_strdup( who ) );
	91
	92	return( 1 );
	93	}
	94
	95	g_free( realname );
	96
	97	return( 0 );
	98	}
	99
	100	int msn_buddy_list_remove( struct gaim_connection gc, char list, char *who )
	101	{
	102	struct msn_data *md = gc->proto_data;
	103	GSList l = NULL, *lp = NULL;
	104	char buf[1024];
	105
	106	if( strcmp( list, "AL" ) == 0 )
	107	lp = &gc->permit;
	108	else if( strcmp( list, "BL" ) == 0 )
	109	lp = &gc->deny;
	110
	111	if( lp )
	112	{
	113	for( l = *lp; l; l = l->next )
	114	if( g_strcasecmp( l->data, who ) == 0 )
	115	break;
	116
	117	if( !l )
	118	return( 1 );
	119	}
	120
	121	g_snprintf( buf, sizeof( buf ), "REM %d %s %s\r\n", ++md->trId, list, who );
	122	if( msn_write( gc, buf, strlen( buf ) ) )
	123	{
	124	if( lp )
	125	lp = g_slist_remove( lp, l->data );
	126
	127	return( 1 );
	128	}
	129
	130	return( 0 );
	131	}
	132
	133	struct msn_buddy_ask_data
	134	{
	135	struct gaim_connection *gc;
	136	char *handle;
	137	char *realname;
	138	};
	139
	140	static void msn_buddy_ask_yes( gpointer w, struct msn_buddy_ask_data *bla )
	141	{
	142	msn_buddy_list_add( bla->gc, "AL", bla->handle, bla->realname );
	143
	144	g_free( bla->handle );
	145	g_free( bla->realname );
	146	g_free( bla );
	147	}
	148
	149	static void msn_buddy_ask_no( gpointer w, struct msn_buddy_ask_data *bla )
	150	{
	151	msn_buddy_list_add( bla->gc, "BL", bla->handle, bla->realname );
	152
	153	g_free( bla->handle );
	154	g_free( bla->realname );
	155	g_free( bla );
	156	}
	157
	158	void msn_buddy_ask( struct gaim_connection gc, char handle, char *realname )
	159	{
	160	struct msn_buddy_ask_data *bla = g_new0( struct msn_buddy_ask_data, 1 );
	161	char buf[1024];
	162
	163	bla->gc = gc;
	164	bla->handle = g_strdup( handle );
	165	bla->realname = g_strdup( realname );
	166
	167	g_snprintf( buf, sizeof( buf ),
	168	"The user %s (%s) wants to add you to his/her buddy list. Do you want to allow this?",
	169	handle, realname );
	170	do_ask_dialog( gc, buf, bla, msn_buddy_ask_yes, msn_buddy_ask_no );
	171	}
	172
	173	char msn_findheader( char text, char *header, int len )
	174	{
	175	int hlen = strlen( header ), i;
	176	char *ret;
	177
	178	if( len == 0 )
	179	len = strlen( text );
	180
	181	i = 0;
	182	while( ( i + hlen ) < len )
	183	{
	184	/* Maybe this is a bit over-commented, but I just hate this part... */
	185	if( g_strncasecmp( text + i, header, hlen ) == 0 )
	186	{
	187	/* Skip to the (probable) end of the header */
	188	i += hlen;
	189
	190	/* Find the first non-[: \t] character */
	191	while( i < len && ( text[i] == ':' \|\| text[i] == ' ' \|\| text[i] == '\t' ) ) i ++;
	192
	193	/* Make sure we're still inside the string */
	194	if( i >= len ) return( NULL );
	195
	196	/* Save the position */
	197	ret = text + i;
	198
	199	/* Search for the end of this line */
	200	while( i < len && text[i] != '\r' && text[i] != '\n' ) i ++;
	201
	202	/* Make sure we're still inside the string */
	203	if( i >= len ) return( NULL );
	204
	205	/* Copy the found data */
	206	return( g_strndup( ret, text + i - ret ) );
	207	}
	208
	209	/* This wasn't the header we were looking for, skip to the next line. */
	210	while( i < len && ( text[i] != '\r' && text[i] != '\n' ) ) i ++;
	211	while( i < len && ( text[i] == '\r' \|\| text[i] == '\n' ) ) i ++;
	212
	213	/* End of headers? */
	214	if( strncmp( text + i - 2, "\n\n", 2 ) == 0 \|\|
	215	strncmp( text + i - 4, "\r\n\r\n", 4 ) == 0 \|\|
	216	strncmp( text + i - 2, "\r\r", 2 ) == 0 )
	217	{
	218	break;
	219	}
	220	}
	221
	222	return( NULL );
	223	}
	224
	225	/* NOT thread-safe, but that's not a problem for now... */
	226	char *msn_linesplit( char line )
	227	{
	228	static char **ret = NULL;
	229	static int size = 3;
	230	int i, n = 0;
	231
	232	if( ret == NULL )
	233	ret = g_new0( char*, size );
	234
	235	for( i = 0; line[i] && line[i] == ' '; i ++ );
	236	if( line[i] )
	237	{
	238	ret[n++] = line + i;
	239	for( i ++; line[i]; i ++ )
	240	{
	241	if( line[i] == ' ' )
	242	line[i] = 0;
	243	else if( line[i] != ' ' && !line[i-1] )
	244	ret[n++] = line + i;
	245
	246	if( n >= size )
	247	ret = g_renew( char*, ret, size += 2 );
	248	}
	249	}
	250	ret[n] = NULL;
	251
	252	return( ret );
	253	}
	254
	255	/* This one handles input from a MSN Messenger server. Both the NS and SB servers usually give
	256	commands, but sometimes they give additional data (payload). This function tries to handle
	257	this all in a nice way and send all data to the right places. */
	258
	259	/* Return values: -1: Read error, abort connection.
	260	0: Command reported error; Abort immediately. (The connection does not exist anymore)
	261	1: OK */
	262
	263	int msn_handler( struct msn_handler_data *h )
	264	{
	265	int st;
	266
	267	h->rxq = g_renew( char, h->rxq, h->rxlen + 1024 );
	268	st = read( h->fd, h->rxq + h->rxlen, 1024 );
	269	h->rxlen += st;
	270
	271	if( st <= 0 )
	272	return( -1 );
	273
	274	while( st )
	275	{
	276	int i;
	277
	278	if( h->msglen == 0 )
	279	{
	280	for( i = 0; i < h->rxlen; i ++ )
	281	{
	282	if( h->rxq[i] == '\r' \|\| h->rxq[i] == '\n' )
	283	{
	284	char cmd_text, *cmd;
	285	int count;
	286
	287	cmd_text = g_strndup( h->rxq, i );
	288	cmd = msn_linesplit( cmd_text );
	289	for( count = 0; cmd[count]; count ++ );
	290	st = h->exec_command( h->data, cmd, count );
	291	g_free( cmd_text );
	292
	293	/* If the connection broke, don't continue. We don't even exist anymore. */
	294	if( !st )
	295	return( 0 );
	296
	297	if( h->msglen )
	298	h->cmd_text = g_strndup( h->rxq, i );
	299
	300	/* Skip to the next non-emptyline */
	301	while( i < h->rxlen && ( h->rxq[i] == '\r' \|\| h->rxq[i] == '\n' ) ) i ++;
	302
	303	break;
	304	}
	305	}
	306
	307	/* If we reached the end of the buffer, there's still an incomplete command there.
	308	Return and wait for more data. */
	309	if( i == h->rxlen && h->rxq[i-1] != '\r' && h->rxq[i-1] != '\n' )
	310	break;
	311	}
	312	else
	313	{
	314	char msg, *cmd;
	315	int count;
	316
	317	/* Do we have the complete message already? */
	318	if( h->msglen > h->rxlen )
	319	break;
	320
	321	msg = g_strndup( h->rxq, h->msglen );
	322	cmd = msn_linesplit( h->cmd_text );
	323	for( count = 0; cmd[count]; count ++ );
	324
	325	st = h->exec_message( h->data, msg, h->msglen, cmd, count );
	326	g_free( msg );
	327	g_free( h->cmd_text );
	328	h->cmd_text = NULL;
	329
	330	if( !st )
	331	return( 0 );
	332
	333	i = h->msglen;
	334	h->msglen = 0;
	335	}
	336
	337	/* More data after this block? */
	338	if( i < h->rxlen )
	339	{
	340	char *tmp;
	341
	342	tmp = g_memdup( h->rxq + i, h->rxlen - i );
	343	g_free( h->rxq );
	344	h->rxq = tmp;
	345	h->rxlen -= i;
	346	i = 0;
	347	}
	348	else
	349	/* If not, reset the rx queue and get lost. */
	350	{
	351	g_free( h->rxq );
	352	h->rxq = g_new0( char, 1 );
	353	h->rxlen = 0;
	354	return( 1 );
	355	}
	356	}
	357
	358	return( 1 );
	359	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: