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source: skype/skype.c @ a75f2a7

Last change on this file since a75f2a7 was df9255d, checked in by VMiklos <vmiklos@…>, at 2007-10-06T15:16:06Z
notification when somebody wants to transfer a file
Property mode set to `100644`
File size: 13.4 KB

Rev	Line
[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
[bbba374]	32	/*
	33	* Enumerations
	34	*/
	35
	36	typedef enum
	37	{
[df9255d]	38	SKYPE_CALL_RINGING = 1,
[bbba374]	39	SKYPE_CALL_MISSED
	40	} skype_call_status;
	41
[df9255d]	42	typedef enum
	43	{
	44	SKYPE_FILETRANSFER_NEW = 1,
	45	SKYPE_FILETRANSFER_FAILED
	46	} skype_filetransfer_status;
	47
[7daec06]	48	/*
	49	* Structures
	50	*/
	51
[f06e3ac]	52	struct skype_data
	53	{
	54	struct im_connection *ic;
[a3d6427]	55	char *username;
[368861e]	56	/* The effective file descriptor. We store it here so any function can
	57	* write() to it. */
[f06e3ac]	58	int fd;
[368861e]	59	/* File descriptor returned by bitlbee. we store it so we know when
	60	* we're connected and when we aren't. */
	61	int bfd;
[7daec06]	62	/* When we receive a new message id, we query the handle, then the
	63	* body. Store the handle here so that we imcb_buddy_msg() when we got
	64	* the body. */
[77c1abe]	65	char *handle;
[bbba374]	66	/* This is necessary because we send a notification when we get the
	67	* handle. So we store the state here and then we can send a
	68	* notification about the handle is in a given status. */
	69	skype_call_status call_status;
[df9255d]	70	/* Same for file transfers. */
	71	skype_filetransfer_status filetransfer_status;
[f06e3ac]	72	};
	73
[adce2de]	74	struct skype_away_state
	75	{
	76	char *code;
	77	char *full_name;
	78	};
	79
[7daec06]	80	struct skype_buddy_ask_data
	81	{
	82	struct im_connection *ic;
	83	char *handle;
	84	};
	85
	86	/*
	87	* Tables
	88	*/
	89
[adce2de]	90	const struct skype_away_state skype_away_state_list[] =
	91	{
	92	{ "ONLINE", "Online" },
	93	{ "SKYPEME", "Skype Me" },
	94	{ "AWAY", "Away" },
	95	{ "NA", "Not available" },
	96	{ "DND", "Do Not Disturb" },
	97	{ "INVISIBLE", "Invisible" },
[23411c6]	98	{ "OFFLINE", "Offline" },
	99	{ NULL, NULL}
[adce2de]	100	};
	101
[7daec06]	102	/*
	103	* Functions
	104	*/
[d3cbd17]	105
[f06e3ac]	106	static void skype_init( account_t *acc )
	107	{
	108	set_t *s;
	109
	110	s = set_add( &acc->set, "port", SKYPE_PORT_DEFAULT, set_eval_int, acc );
	111	s->flags \|= ACC_SET_OFFLINE_ONLY;
	112
	113	s = set_add( &acc->set, "server", NULL, set_eval_account, acc );
	114	s->flags \|= ACC_SET_NOSAVE \| ACC_SET_OFFLINE_ONLY;
	115	}
	116
	117	int skype_write( struct im_connection ic, char buf, int len )
	118	{
	119	struct skype_data *sd = ic->proto_data;
[1fb89e3]	120	struct pollfd pfd[1];
	121
	122	pfd[0].fd = sd->fd;
	123	pfd[0].events = POLLOUT;
[f06e3ac]	124
[7daec06]	125	/* This poll is necessary or we'll get a SIGPIPE when we write() to
	126	* sd->fd. */
[1fb89e3]	127	poll(pfd, 1, 1000);
	128	if(pfd[0].revents & POLLHUP)
	129	{
	130	imcb_error( ic, "Could not connect to server" );
	131	imc_logout( ic, TRUE );
	132	return FALSE;
	133	}
[9fd4241]	134	write( sd->fd, buf, len );
[f06e3ac]	135
[9fd4241]	136	return TRUE;
[f06e3ac]	137	}
	138
[d3cbd17]	139	static void skype_buddy_ask_yes( gpointer w, struct skype_buddy_ask_data *bla )
	140	{
	141	char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED TRUE", bla->handle);
	142	skype_write( bla->ic, buf, strlen( buf ) );
	143	g_free(buf);
	144	g_free(bla->handle);
	145	g_free(bla);
	146	}
	147
	148	static void skype_buddy_ask_no( gpointer w, struct skype_buddy_ask_data *bla )
	149	{
	150	char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED FALSE", bla->handle);
	151	skype_write( bla->ic, buf, strlen( buf ) );
	152	g_free(buf);
	153	g_free(bla->handle);
	154	g_free(bla);
	155	}
	156
	157	void skype_buddy_ask( struct im_connection ic, char handle, char *message)
	158	{
	159	struct skype_buddy_ask_data *bla = g_new0( struct skype_buddy_ask_data, 1 );
	160	char *buf;
	161
	162	bla->ic = ic;
	163	bla->handle = g_strdup(handle);
	164
	165	buf = g_strdup_printf( "The user %s wants to add you to his/her buddy list, saying: '%s'.", handle, message);
	166	imcb_ask( ic, buf, bla, skype_buddy_ask_yes, skype_buddy_ask_no );
	167	g_free( buf );
	168	}
	169
[1323e36]	170	static gboolean skype_read_callback( gpointer data, gint fd, b_input_condition cond )
	171	{
	172	struct im_connection *ic = data;
	173	struct skype_data *sd = ic->proto_data;
	174	char buf[1024];
	175	int st;
[9fd4241]	176	char lines, lineptr, line, ptr;
[1323e36]	177
[98bca36]	178	if( !sd \|\| sd->fd == -1 )
[1323e36]	179	return FALSE;
[7daec06]	180	/* Read the whole data. */
[1323e36]	181	st = read( sd->fd, buf, sizeof( buf ) );
	182	if( st > 0 )
	183	{
	184	buf[st] = '\0';
[7daec06]	185	/* Then split it up to lines. */
[9fd4241]	186	lines = g_strsplit(buf, "\n", 0);
	187	lineptr = lines;
	188	while((line = *lineptr))
	189	{
	190	if(!strlen(line))
	191	break;
	192	if(!strncmp(line, "USERS ", 6))
	193	{
	194	char **i;
	195	char **nicks;
	196
	197	nicks = g_strsplit(line + 6, ", ", 0);
	198	i = nicks;
	199	while(*i)
	200	{
	201	g_snprintf(buf, 1024, "GET USER %s ONLINESTATUS\n", *i);
	202	skype_write( ic, buf, strlen( buf ) );
	203	i++;
	204	}
	205	g_strfreev(nicks);
	206	}
	207	else if(!strncmp(line, "USER ", 5))
	208	{
[adce2de]	209	int flags = 0;
[be975f8]	210	char *status = strrchr(line, ' ');
	211	char *user = strchr(line, ' ');
[adce2de]	212	status++;
[be975f8]	213	ptr = strchr(++user, ' ');
	214	*ptr = '\0';
[6627d92]	215	ptr++;
[7daec06]	216	if(!strncmp(ptr, "ONLINESTATUS ", 13) &&
	217	strcmp(user, sd->username) != 0
	218	&& strcmp(user, "echo123") != 0)
[a3d6427]	219	{
	220	ptr = g_strdup_printf("%s@skype.com", user);
	221	imcb_add_buddy(ic, ptr, NULL);
	222	if(strcmp(status, "OFFLINE") != 0)
	223	flags \|= OPT_LOGGED_IN;
	224	if(strcmp(status, "ONLINE") != 0 && strcmp(status, "SKYPEME") != 0)
	225	flags \|= OPT_AWAY;
	226	imcb_buddy_status(ic, ptr, flags, NULL, NULL);
	227	g_free(ptr);
	228	}
[d3cbd17]	229	else if(!strncmp(ptr, "RECEIVEDAUTHREQUEST ", 20))
	230	{
	231	char *message = ptr + 20;
	232	if(strlen(message))
	233	skype_buddy_ask(ic, user, message);
	234	}
	235	else if(!strncmp(ptr, "BUDDYSTATUS ", 12))
	236	{
	237	char *st = ptr + 12;
	238	if(!strcmp(st, "3"))
	239	{
	240	char *buf = g_strdup_printf("%s@skype.com", user);
	241	imcb_add_buddy(ic, buf, NULL);
	242	g_free(buf);
	243	}
	244	}
[9fd4241]	245	}
[77c1abe]	246	else if(!strncmp(line, "CHATMESSAGE ", 12))
	247	{
	248	char *id = strchr(line, ' ');
	249	if(++id)
	250	{
	251	char *info = strchr(id, ' ');
	252	*info = '\0';
	253	info++;
	254	if(!strcmp(info, "STATUS RECEIVED"))
	255	{
[7daec06]	256	/* New message ID:
	257	* (1) Request its from field
	258	* (2) Request its body
	259	* (3) Mark it as seen
	260	*/
[77c1abe]	261	g_snprintf(buf, 1024, "GET CHATMESSAGE %s FROM_HANDLE\n", id);
	262	skype_write( ic, buf, strlen( buf ) );
	263	g_snprintf(buf, 1024, "GET CHATMESSAGE %s BODY\n", id);
	264	skype_write( ic, buf, strlen( buf ) );
[62bb4e4]	265	g_snprintf(buf, 1024, "SET CHATMESSAGE %s SEEN\n", id);
	266	skype_write( ic, buf, strlen( buf ) );
[77c1abe]	267	}
	268	else if(!strncmp(info, "FROM_HANDLE ", 12))
	269	{
	270	info += 12;
[7daec06]	271	/* New from field value. Store
	272	* it, then we can later use it
	273	* when we got the message's
	274	* body. */
[7613670]	275	g_free(sd->handle);
[77c1abe]	276	sd->handle = g_strdup_printf("%s@skype.com", info);
[5d1b0774]	277	}
	278	else if(!strncmp(info, "EDITED_BY ", 10))
	279	{
	280	info += 10;
	281	/* This is the same as
	282	* FROM_HANDLE, except that we
	283	* never request these lines
	284	* from Skype, we just get
	285	* them. */
	286	g_free(sd->handle);
	287	sd->handle = g_strdup_printf("%s@skype.com", info);
[77c1abe]	288	}
	289	else if(!strncmp(info, "BODY ", 5))
	290	{
	291	info += 5;
[4eaff41]	292	if(sd->handle && strlen(info))
[7daec06]	293	{
	294	/* New body, we have everything to use imcb_buddy_msg() now! */
[ed2e37f]	295	imcb_buddy_msg(ic, sd->handle, info, 0, 0);
[7daec06]	296	}
[77c1abe]	297	}
	298	}
	299	}
[ecfbc5d]	300	else if(!strncmp(line, "CALL ", 5))
	301	{
	302	char *id = strchr(line, ' ');
	303	if(++id)
	304	{
	305	char *info = strchr(id, ' ');
	306	*info = '\0';
	307	info++;
	308	if(!strcmp(info, "STATUS RINGING"))
	309	{
	310	g_snprintf(buf, 1024, "GET CALL %s PARTNER_HANDLE\n", id);
	311	skype_write( ic, buf, strlen( buf ) );
[bbba374]	312	sd->call_status = SKYPE_CALL_RINGING;
	313	}
	314	else if(!strcmp(info, "STATUS MISSED"))
	315	{
	316	g_snprintf(buf, 1024, "GET CALL %s PARTNER_HANDLE\n", id);
	317	skype_write( ic, buf, strlen( buf ) );
	318	sd->call_status = SKYPE_CALL_MISSED;
[ecfbc5d]	319	}
	320	else if(!strncmp(info, "PARTNER_HANDLE ", 15))
	321	{
	322	info += 15;
[df9255d]	323	if(sd->call_status) {
	324	switch(sd->call_status)
	325	{
	326	case SKYPE_CALL_RINGING:
	327	imcb_log(ic, "The user %s is currently ringing you.", info);
	328	break;
	329	case SKYPE_CALL_MISSED:
	330	imcb_log(ic, "You have missed a call from user %s.", info);
	331	break;
	332	}
	333	sd->call_status = 0;
	334	}
	335	}
	336	}
	337	}
	338	else if(!strncmp(line, "FILETRANSFER ", 13))
	339	{
	340	char *id = strchr(line, ' ');
	341	if(++id)
	342	{
	343	char *info = strchr(id, ' ');
	344	*info = '\0';
	345	info++;
	346	if(!strcmp(info, "STATUS NEW"))
	347	{
	348	g_snprintf(buf, 1024, "GET FILETRANSFER %s PARTNER_HANDLE\n", id);
	349	skype_write( ic, buf, strlen( buf ) );
	350	sd->filetransfer_status = SKYPE_FILETRANSFER_NEW;
	351	}
	352	else if(!strcmp(info, "STATUS FAILED"))
	353	{
	354	g_snprintf(buf, 1024, "GET FILETRANSFER %s PARTNER_HANDLE\n", id);
	355	skype_write( ic, buf, strlen( buf ) );
	356	sd->filetransfer_status = SKYPE_FILETRANSFER_FAILED;
	357	}
	358	else if(!strncmp(info, "PARTNER_HANDLE ", 15))
	359	{
	360	info += 15;
	361	if(sd->filetransfer_status) {
	362	switch(sd->filetransfer_status)
	363	{
	364	case SKYPE_FILETRANSFER_NEW:
	365	imcb_log(ic, "The user %s offered a new file for you.", info);
	366	break;
	367	case SKYPE_FILETRANSFER_FAILED:
	368	imcb_log(ic, "Failed to transfer file from user %s.", info);
	369	break;
	370	}
	371	sd->filetransfer_status = 0;
[bbba374]	372	}
[ecfbc5d]	373	}
	374	}
	375	}
[9fd4241]	376	lineptr++;
	377	}
	378	g_strfreev(lines);
[1323e36]	379	}
	380	else if( st == 0 \|\| ( st < 0 && !sockerr_again() ) )
	381	{
	382	closesocket( sd->fd );
	383	sd->fd = -1;
	384
	385	imcb_error( ic, "Error while reading from server" );
	386	imc_logout( ic, TRUE );
	387	return FALSE;
	388	}
	389	return TRUE;
	390	}
	391
[f06e3ac]	392	gboolean skype_start_stream( struct im_connection *ic )
	393	{
[1323e36]	394	struct skype_data *sd = ic->proto_data;
[f06e3ac]	395	char *buf;
	396	int st;
	397
[1fb89e3]	398	if(!sd)
	399	return FALSE;
	400
[368861e]	401	if( sd->bfd <= 0 )
	402	sd->bfd = b_input_add( sd->fd, GAIM_INPUT_READ, skype_read_callback, ic );
[1323e36]	403
[7daec06]	404	/* This will download all buddies. */
[9fd4241]	405	buf = g_strdup_printf("SEARCH FRIENDS\n");
[f06e3ac]	406	st = skype_write( ic, buf, strlen( buf ) );
	407	g_free(buf);
[348a3a2]	408	buf = g_strdup_printf("SET USERSTATUS ONLINE\n");
	409	skype_write( ic, buf, strlen( buf ) );
	410	g_free(buf);
[f06e3ac]	411	return st;
	412	}
	413
	414	gboolean skype_connected( gpointer data, gint source, b_input_condition cond )
	415	{
	416	struct im_connection *ic = data;
[ed2e37f]	417	imcb_connected(ic);
[f06e3ac]	418	return skype_start_stream(ic);
	419	}
	420
	421	static void skype_login( account_t *acc )
	422	{
	423	struct im_connection *ic = imcb_new( acc );
	424	struct skype_data *sd = g_new0( struct skype_data, 1 );
	425
	426	ic->proto_data = sd;
	427
	428	imcb_log( ic, "Connecting" );
	429	sd->fd = proxy_connect(acc->server, set_getint( &acc->set, "port" ), skype_connected, ic );
[a3d6427]	430	sd->username = g_strdup( acc->user );
[f06e3ac]	431
	432	sd->ic = ic;
	433	}
	434
	435	static void skype_logout( struct im_connection *ic )
	436	{
	437	struct skype_data *sd = ic->proto_data;
[98bca36]	438	char *buf;
	439
	440	buf = g_strdup_printf("SET USERSTATUS OFFLINE\n");
	441	skype_write( ic, buf, strlen( buf ) );
	442	g_free(buf);
	443
[a3d6427]	444	g_free(sd->username);
[7613670]	445	g_free(sd->handle);
[f06e3ac]	446	g_free(sd);
[98bca36]	447	ic->proto_data = NULL;
[f06e3ac]	448	}
	449
[93ece66]	450	static int skype_buddy_msg( struct im_connection ic, char who, char *message, int flags )
	451	{
[77c1abe]	452	char buf, ptr, *nick;
[93ece66]	453	int st;
	454
[cbec0d6]	455	nick = g_strdup(who);
[77c1abe]	456	ptr = strchr(nick, '@');
[0bb1b7f]	457	if(ptr)
	458	*ptr = '\0';
[93ece66]	459
[77c1abe]	460	buf = g_strdup_printf("MESSAGE %s %s\n", nick, message);
	461	g_free(nick);
[93ece66]	462	st = skype_write( ic, buf, strlen( buf ) );
	463	g_free(buf);
	464
	465	return st;
	466	}
	467
[23411c6]	468	const struct skype_away_state skype_away_state_by_name( char name )
	469	{
	470	int i;
	471
	472	for( i = 0; skype_away_state_list[i].full_name; i ++ )
	473	if( g_strcasecmp( skype_away_state_list[i].full_name, name ) == 0 )
	474	return( skype_away_state_list + i );
	475
	476	return NULL;
	477	}
	478
[f06e3ac]	479	static void skype_set_away( struct im_connection ic, char state_txt, char *message )
	480	{
[23411c6]	481	const struct skype_away_state *state;
	482	char *buf;
	483
	484	if( strcmp( state_txt, GAIM_AWAY_CUSTOM ) == 0 )
	485	state = skype_away_state_by_name( "Away" );
	486	else
	487	state = skype_away_state_by_name( state_txt );
	488	buf = g_strdup_printf("SET USERSTATUS %s\n", state->code);
	489	skype_write( ic, buf, strlen( buf ) );
	490	g_free(buf);
[f06e3ac]	491	}
	492
	493	static GList skype_away_states( struct im_connection ic )
	494	{
[23411c6]	495	GList *l = NULL;
[adce2de]	496	int i;
	497
[23411c6]	498	for( i = 0; skype_away_state_list[i].full_name; i ++ )
	499	l = g_list_append( l, (void*) skype_away_state_list[i].full_name );
[adce2de]	500
[f06e3ac]	501	return l;
	502	}
	503
	504	static void skype_add_buddy( struct im_connection ic, char who, char *group )
	505	{
[6627d92]	506	char buf, nick, *ptr;
	507
[cbec0d6]	508	nick = g_strdup(who);
[6627d92]	509	ptr = strchr(nick, '@');
	510	if(ptr)
	511	*ptr = '\0';
	512	buf = g_strdup_printf("SET USER %s BUDDYSTATUS 2 Please authorize me\n", nick);
	513	skype_write( ic, buf, strlen( buf ) );
	514	g_free(nick);
[f06e3ac]	515	}
	516
	517	static void skype_remove_buddy( struct im_connection ic, char who, char *group )
	518	{
[6627d92]	519	char buf, nick, *ptr;
	520
[cbec0d6]	521	nick = g_strdup(who);
[6627d92]	522	ptr = strchr(nick, '@');
	523	if(ptr)
	524	*ptr = '\0';
	525	buf = g_strdup_printf("SET USER %s BUDDYSTATUS 1\n", nick);
	526	skype_write( ic, buf, strlen( buf ) );
	527	g_free(nick);
[f06e3ac]	528	}
	529
	530	void init_plugin(void)
	531	{
	532	struct prpl *ret = g_new0( struct prpl, 1 );
	533
	534	ret->name = "skype";
	535	ret->login = skype_login;
	536	ret->init = skype_init;
	537	ret->logout = skype_logout;
[93ece66]	538	ret->buddy_msg = skype_buddy_msg;
[f06e3ac]	539	ret->away_states = skype_away_states;
[7daec06]	540	ret->set_away = skype_set_away;
[f06e3ac]	541	ret->add_buddy = skype_add_buddy;
	542	ret->remove_buddy = skype_remove_buddy;
	543	ret->handle_cmp = g_strcasecmp;
	544	register_protocol( ret );
	545	}

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