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source: skype/skype.c @ 7daec06

Last change on this file since 7daec06 was 7daec06, checked in by VMiklos <vmiklos@…>, at 2007-08-21T17:02:11Z

cosmetics

add copyright header
beautify comments
remove debug printf()s

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File size: 10.3 KB

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[7daec06]	1	/*
	2	* skype.c - Skype plugin for BitlBee
	3	*
	4	* Copyright (c) 2007 by Miklos Vajna <vmiklos@frugalware.org>
[f06e3ac]	5	*
[7daec06]	6	* Several ideas are used from the BitlBee Jabber plugin, which is
	7	*
	8	* Copyright (c) 2006 by Wilmer van der Gaast <wilmer@gaast.net>
	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
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
	23	* USA.
[f06e3ac]	24	*/
[7daec06]	25
[f06e3ac]	26	#include <stdio.h>
[ed2e37f]	27	#include <poll.h>
[f06e3ac]	28	#include <bitlbee.h>
	29
	30	#define SKYPE_PORT_DEFAULT "2727"
	31
[7daec06]	32	/*
	33	* Structures
	34	*/
	35
[f06e3ac]	36	struct skype_data
	37	{
	38	struct im_connection *ic;
[a3d6427]	39	char *username;
[f06e3ac]	40	int fd;
	41	char *txq;
	42	int tx_len;
	43	int r_inpa, w_inpa;
[7daec06]	44	/* When we receive a new message id, we query the handle, then the
	45	* body. Store the handle here so that we imcb_buddy_msg() when we got
	46	* the body. */
[77c1abe]	47	char *handle;
[f06e3ac]	48	};
	49
[adce2de]	50	struct skype_away_state
	51	{
	52	char *code;
	53	char *full_name;
	54	};
	55
[7daec06]	56	struct skype_buddy_ask_data
	57	{
	58	struct im_connection *ic;
	59	char *handle;
	60	};
	61
	62	/*
	63	* Tables
	64	*/
	65
[adce2de]	66	const struct skype_away_state skype_away_state_list[] =
	67	{
	68	{ "ONLINE", "Online" },
	69	{ "SKYPEME", "Skype Me" },
	70	{ "AWAY", "Away" },
	71	{ "NA", "Not available" },
	72	{ "DND", "Do Not Disturb" },
	73	{ "INVISIBLE", "Invisible" },
[23411c6]	74	{ "OFFLINE", "Offline" },
	75	{ NULL, NULL}
[adce2de]	76	};
	77
[7daec06]	78	/*
	79	* Functions
	80	*/
[d3cbd17]	81
[f06e3ac]	82	static void skype_init( account_t *acc )
	83	{
	84	set_t *s;
	85
	86	s = set_add( &acc->set, "port", SKYPE_PORT_DEFAULT, set_eval_int, acc );
	87	s->flags \|= ACC_SET_OFFLINE_ONLY;
	88
	89	s = set_add( &acc->set, "server", NULL, set_eval_account, acc );
	90	s->flags \|= ACC_SET_NOSAVE \| ACC_SET_OFFLINE_ONLY;
	91	}
	92
	93	int skype_write( struct im_connection ic, char buf, int len )
	94	{
	95	struct skype_data *sd = ic->proto_data;
[1fb89e3]	96	struct pollfd pfd[1];
	97
	98	pfd[0].fd = sd->fd;
	99	pfd[0].events = POLLOUT;
[f06e3ac]	100
[7daec06]	101	/* This poll is necessary or we'll get a SIGPIPE when we write() to
	102	* sd->fd. */
[1fb89e3]	103	poll(pfd, 1, 1000);
	104	if(pfd[0].revents & POLLHUP)
	105	{
	106	imcb_error( ic, "Could not connect to server" );
	107	imc_logout( ic, TRUE );
	108	return FALSE;
	109	}
[9fd4241]	110	write( sd->fd, buf, len );
[f06e3ac]	111
[9fd4241]	112	return TRUE;
[f06e3ac]	113	}
	114
[d3cbd17]	115	static void skype_buddy_ask_yes( gpointer w, struct skype_buddy_ask_data *bla )
	116	{
	117	char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED TRUE", bla->handle);
	118	skype_write( bla->ic, buf, strlen( buf ) );
	119	g_free(buf);
	120	g_free(bla->handle);
	121	g_free(bla);
	122	}
	123
	124	static void skype_buddy_ask_no( gpointer w, struct skype_buddy_ask_data *bla )
	125	{
	126	char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED FALSE", bla->handle);
	127	skype_write( bla->ic, buf, strlen( buf ) );
	128	g_free(buf);
	129	g_free(bla->handle);
	130	g_free(bla);
	131	}
	132
	133	void skype_buddy_ask( struct im_connection ic, char handle, char *message)
	134	{
	135	struct skype_buddy_ask_data *bla = g_new0( struct skype_buddy_ask_data, 1 );
	136	char *buf;
	137
	138	bla->ic = ic;
	139	bla->handle = g_strdup(handle);
	140
	141	buf = g_strdup_printf( "The user %s wants to add you to his/her buddy list, saying: '%s'.", handle, message);
	142	imcb_ask( ic, buf, bla, skype_buddy_ask_yes, skype_buddy_ask_no );
	143	g_free( buf );
	144	}
	145
[1323e36]	146	static gboolean skype_read_callback( gpointer data, gint fd, b_input_condition cond )
	147	{
	148	struct im_connection *ic = data;
	149	struct skype_data *sd = ic->proto_data;
	150	char buf[1024];
	151	int st;
[9fd4241]	152	char lines, lineptr, line, ptr;
[1323e36]	153
[98bca36]	154	if( !sd \|\| sd->fd == -1 )
[1323e36]	155	return FALSE;
[7daec06]	156	/* Read the whole data. */
[1323e36]	157	st = read( sd->fd, buf, sizeof( buf ) );
	158	if( st > 0 )
	159	{
	160	buf[st] = '\0';
[7daec06]	161	/* Then split it up to lines. */
[9fd4241]	162	lines = g_strsplit(buf, "\n", 0);
	163	lineptr = lines;
	164	while((line = *lineptr))
	165	{
	166	if(!strlen(line))
	167	break;
	168	if(!strncmp(line, "USERS ", 6))
	169	{
	170	char **i;
	171	char **nicks;
	172
	173	nicks = g_strsplit(line + 6, ", ", 0);
	174	i = nicks;
	175	while(*i)
	176	{
	177	g_snprintf(buf, 1024, "GET USER %s ONLINESTATUS\n", *i);
	178	skype_write( ic, buf, strlen( buf ) );
	179	i++;
	180	}
	181	g_strfreev(nicks);
	182	}
	183	else if(!strncmp(line, "USER ", 5))
	184	{
[adce2de]	185	int flags = 0;
[be975f8]	186	char *status = strrchr(line, ' ');
	187	char *user = strchr(line, ' ');
[adce2de]	188	status++;
[be975f8]	189	ptr = strchr(++user, ' ');
	190	*ptr = '\0';
[6627d92]	191	ptr++;
[7daec06]	192	if(!strncmp(ptr, "ONLINESTATUS ", 13) &&
	193	strcmp(user, sd->username) != 0
	194	&& strcmp(user, "echo123") != 0)
[a3d6427]	195	{
	196	ptr = g_strdup_printf("%s@skype.com", user);
	197	imcb_add_buddy(ic, ptr, NULL);
	198	if(strcmp(status, "OFFLINE") != 0)
	199	flags \|= OPT_LOGGED_IN;
	200	if(strcmp(status, "ONLINE") != 0 && strcmp(status, "SKYPEME") != 0)
	201	flags \|= OPT_AWAY;
	202	imcb_buddy_status(ic, ptr, flags, NULL, NULL);
	203	g_free(ptr);
	204	}
[d3cbd17]	205	else if(!strncmp(ptr, "RECEIVEDAUTHREQUEST ", 20))
	206	{
	207	char *message = ptr + 20;
	208	if(strlen(message))
	209	skype_buddy_ask(ic, user, message);
	210	}
	211	else if(!strncmp(ptr, "BUDDYSTATUS ", 12))
	212	{
	213	char *st = ptr + 12;
	214	if(!strcmp(st, "3"))
	215	{
	216	char *buf = g_strdup_printf("%s@skype.com", user);
	217	imcb_add_buddy(ic, buf, NULL);
	218	g_free(buf);
	219	}
	220	}
[9fd4241]	221	}
[77c1abe]	222	else if(!strncmp(line, "CHATMESSAGE ", 12))
	223	{
	224	char *id = strchr(line, ' ');
	225	if(++id)
	226	{
	227	char *info = strchr(id, ' ');
	228	*info = '\0';
	229	info++;
	230	if(!strcmp(info, "STATUS RECEIVED"))
	231	{
[7daec06]	232	/* New message ID:
	233	* (1) Request its from field
	234	* (2) Request its body
	235	* (3) Mark it as seen
	236	*/
[77c1abe]	237	g_snprintf(buf, 1024, "GET CHATMESSAGE %s FROM_HANDLE\n", id);
	238	skype_write( ic, buf, strlen( buf ) );
	239	g_snprintf(buf, 1024, "GET CHATMESSAGE %s BODY\n", id);
	240	skype_write( ic, buf, strlen( buf ) );
[62bb4e4]	241	g_snprintf(buf, 1024, "SET CHATMESSAGE %s SEEN\n", id);
	242	skype_write( ic, buf, strlen( buf ) );
[77c1abe]	243	}
	244	else if(!strncmp(info, "FROM_HANDLE ", 12))
	245	{
	246	info += 12;
[7daec06]	247	/* New from field value. Store
	248	* it, then we can later use it
	249	* when we got the message's
	250	* body. */
[77c1abe]	251	sd->handle = g_strdup_printf("%s@skype.com", info);
	252	}
	253	else if(!strncmp(info, "BODY ", 5))
	254	{
	255	info += 5;
[ed2e37f]	256	if(sd->handle)
[7daec06]	257	{
	258	/* New body, we have everything to use imcb_buddy_msg() now! */
[ed2e37f]	259	imcb_buddy_msg(ic, sd->handle, info, 0, 0);
[7daec06]	260	g_free(sd->handle);
	261	sd->handle = NULL;
	262	}
[77c1abe]	263	}
	264	}
	265	}
[9fd4241]	266	lineptr++;
	267	}
	268	g_strfreev(lines);
[1323e36]	269	}
	270	else if( st == 0 \|\| ( st < 0 && !sockerr_again() ) )
	271	{
	272	closesocket( sd->fd );
	273	sd->fd = -1;
	274
	275	imcb_error( ic, "Error while reading from server" );
	276	imc_logout( ic, TRUE );
	277	return FALSE;
	278	}
	279	return TRUE;
	280	}
	281
[f06e3ac]	282	gboolean skype_start_stream( struct im_connection *ic )
	283	{
[1323e36]	284	struct skype_data *sd = ic->proto_data;
[f06e3ac]	285	char *buf;
	286	int st;
	287
[1fb89e3]	288	if(!sd)
	289	return FALSE;
	290
[1323e36]	291	if( sd->r_inpa <= 0 )
	292	sd->r_inpa = b_input_add( sd->fd, GAIM_INPUT_READ, skype_read_callback, ic );
	293
[7daec06]	294	/* This will download all buddies. */
[9fd4241]	295	buf = g_strdup_printf("SEARCH FRIENDS\n");
[f06e3ac]	296	st = skype_write( ic, buf, strlen( buf ) );
	297	g_free(buf);
[348a3a2]	298	buf = g_strdup_printf("SET USERSTATUS ONLINE\n");
	299	skype_write( ic, buf, strlen( buf ) );
	300	g_free(buf);
[f06e3ac]	301	return st;
	302	}
	303
	304	gboolean skype_connected( gpointer data, gint source, b_input_condition cond )
	305	{
	306	struct im_connection *ic = data;
[ed2e37f]	307	imcb_connected(ic);
[f06e3ac]	308	return skype_start_stream(ic);
	309	}
	310
	311	static void skype_login( account_t *acc )
	312	{
	313	struct im_connection *ic = imcb_new( acc );
	314	struct skype_data *sd = g_new0( struct skype_data, 1 );
	315
	316	ic->proto_data = sd;
	317
	318	imcb_log( ic, "Connecting" );
	319	sd->fd = proxy_connect(acc->server, set_getint( &acc->set, "port" ), skype_connected, ic );
[a3d6427]	320	sd->username = g_strdup( acc->user );
[f06e3ac]	321
	322	sd->ic = ic;
	323	}
	324
	325	static void skype_logout( struct im_connection *ic )
	326	{
	327	struct skype_data *sd = ic->proto_data;
[98bca36]	328	char *buf;
	329
	330	buf = g_strdup_printf("SET USERSTATUS OFFLINE\n");
	331	skype_write( ic, buf, strlen( buf ) );
	332	g_free(buf);
	333
[a3d6427]	334	g_free(sd->username);
[f06e3ac]	335	g_free(sd);
[98bca36]	336	ic->proto_data = NULL;
[f06e3ac]	337	}
	338
[93ece66]	339	static int skype_buddy_msg( struct im_connection ic, char who, char *message, int flags )
	340	{
[77c1abe]	341	char buf, ptr, *nick;
[93ece66]	342	int st;
	343
[cbec0d6]	344	nick = g_strdup(who);
[77c1abe]	345	ptr = strchr(nick, '@');
[0bb1b7f]	346	if(ptr)
	347	*ptr = '\0';
[93ece66]	348
[77c1abe]	349	buf = g_strdup_printf("MESSAGE %s %s\n", nick, message);
	350	g_free(nick);
[93ece66]	351	st = skype_write( ic, buf, strlen( buf ) );
	352	g_free(buf);
	353
	354	return st;
	355	}
	356
[23411c6]	357	const struct skype_away_state skype_away_state_by_name( char name )
	358	{
	359	int i;
	360
	361	for( i = 0; skype_away_state_list[i].full_name; i ++ )
	362	if( g_strcasecmp( skype_away_state_list[i].full_name, name ) == 0 )
	363	return( skype_away_state_list + i );
	364
	365	return NULL;
	366	}
	367
[f06e3ac]	368	static void skype_set_away( struct im_connection ic, char state_txt, char *message )
	369	{
[23411c6]	370	const struct skype_away_state *state;
	371	char *buf;
	372
	373	if( strcmp( state_txt, GAIM_AWAY_CUSTOM ) == 0 )
	374	state = skype_away_state_by_name( "Away" );
	375	else
	376	state = skype_away_state_by_name( state_txt );
	377	buf = g_strdup_printf("SET USERSTATUS %s\n", state->code);
	378	skype_write( ic, buf, strlen( buf ) );
	379	g_free(buf);
[f06e3ac]	380	}
	381
	382	static GList skype_away_states( struct im_connection ic )
	383	{
[23411c6]	384	GList *l = NULL;
[adce2de]	385	int i;
	386
[23411c6]	387	for( i = 0; skype_away_state_list[i].full_name; i ++ )
	388	l = g_list_append( l, (void*) skype_away_state_list[i].full_name );
[adce2de]	389
[f06e3ac]	390	return l;
	391	}
	392
	393	static void skype_add_buddy( struct im_connection ic, char who, char *group )
	394	{
[6627d92]	395	char buf, nick, *ptr;
	396
[cbec0d6]	397	nick = g_strdup(who);
[6627d92]	398	ptr = strchr(nick, '@');
	399	if(ptr)
	400	*ptr = '\0';
	401	buf = g_strdup_printf("SET USER %s BUDDYSTATUS 2 Please authorize me\n", nick);
	402	skype_write( ic, buf, strlen( buf ) );
	403	g_free(nick);
[f06e3ac]	404	}
	405
	406	static void skype_remove_buddy( struct im_connection ic, char who, char *group )
	407	{
[6627d92]	408	char buf, nick, *ptr;
	409
[cbec0d6]	410	nick = g_strdup(who);
[6627d92]	411	ptr = strchr(nick, '@');
	412	if(ptr)
	413	*ptr = '\0';
	414	buf = g_strdup_printf("SET USER %s BUDDYSTATUS 1\n", nick);
	415	skype_write( ic, buf, strlen( buf ) );
	416	g_free(nick);
[f06e3ac]	417	}
	418
	419	void init_plugin(void)
	420	{
	421	struct prpl *ret = g_new0( struct prpl, 1 );
	422
	423	ret->name = "skype";
	424	ret->login = skype_login;
	425	ret->init = skype_init;
	426	ret->logout = skype_logout;
[93ece66]	427	ret->buddy_msg = skype_buddy_msg;
[f06e3ac]	428	ret->away_states = skype_away_states;
[7daec06]	429	ret->set_away = skype_set_away;
[f06e3ac]	430	ret->add_buddy = skype_add_buddy;
	431	ret->remove_buddy = skype_remove_buddy;
	432	ret->handle_cmp = g_strcasecmp;
	433	register_protocol( ret );
	434	}

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