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source: skype/skype.c @ 368861e

Last change on this file since 368861e was 368861e, checked in by VMiklos <vmiklos@…>, at 2007-09-21T14:16:48Z
skype_data struct: some more comments also renmae r_inpa to bfd
Property mode set to `100644`
File size: 12.0 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	{
	38	SKYPE_CALL_RINGING,
	39	SKYPE_CALL_MISSED
	40	} skype_call_status;
	41
[7daec06]	42	/*
	43	* Structures
	44	*/
	45
[f06e3ac]	46	struct skype_data
	47	{
	48	struct im_connection *ic;
[a3d6427]	49	char *username;
[368861e]	50	/* The effective file descriptor. We store it here so any function can
	51	* write() to it. */
[f06e3ac]	52	int fd;
[368861e]	53	/* File descriptor returned by bitlbee. we store it so we know when
	54	* we're connected and when we aren't. */
	55	int bfd;
[7daec06]	56	/* When we receive a new message id, we query the handle, then the
	57	* body. Store the handle here so that we imcb_buddy_msg() when we got
	58	* the body. */
[77c1abe]	59	char *handle;
[bbba374]	60	/* This is necessary because we send a notification when we get the
	61	* handle. So we store the state here and then we can send a
	62	* notification about the handle is in a given status. */
	63	skype_call_status call_status;
[f06e3ac]	64	};
	65
[adce2de]	66	struct skype_away_state
	67	{
	68	char *code;
	69	char *full_name;
	70	};
	71
[7daec06]	72	struct skype_buddy_ask_data
	73	{
	74	struct im_connection *ic;
	75	char *handle;
	76	};
	77
	78	/*
	79	* Tables
	80	*/
	81
[adce2de]	82	const struct skype_away_state skype_away_state_list[] =
	83	{
	84	{ "ONLINE", "Online" },
	85	{ "SKYPEME", "Skype Me" },
	86	{ "AWAY", "Away" },
	87	{ "NA", "Not available" },
	88	{ "DND", "Do Not Disturb" },
	89	{ "INVISIBLE", "Invisible" },
[23411c6]	90	{ "OFFLINE", "Offline" },
	91	{ NULL, NULL}
[adce2de]	92	};
	93
[7daec06]	94	/*
	95	* Functions
	96	*/
[d3cbd17]	97
[f06e3ac]	98	static void skype_init( account_t *acc )
	99	{
	100	set_t *s;
	101
	102	s = set_add( &acc->set, "port", SKYPE_PORT_DEFAULT, set_eval_int, acc );
	103	s->flags \|= ACC_SET_OFFLINE_ONLY;
	104
	105	s = set_add( &acc->set, "server", NULL, set_eval_account, acc );
	106	s->flags \|= ACC_SET_NOSAVE \| ACC_SET_OFFLINE_ONLY;
	107	}
	108
	109	int skype_write( struct im_connection ic, char buf, int len )
	110	{
	111	struct skype_data *sd = ic->proto_data;
[1fb89e3]	112	struct pollfd pfd[1];
	113
	114	pfd[0].fd = sd->fd;
	115	pfd[0].events = POLLOUT;
[f06e3ac]	116
[7daec06]	117	/* This poll is necessary or we'll get a SIGPIPE when we write() to
	118	* sd->fd. */
[1fb89e3]	119	poll(pfd, 1, 1000);
	120	if(pfd[0].revents & POLLHUP)
	121	{
	122	imcb_error( ic, "Could not connect to server" );
	123	imc_logout( ic, TRUE );
	124	return FALSE;
	125	}
[9fd4241]	126	write( sd->fd, buf, len );
[f06e3ac]	127
[9fd4241]	128	return TRUE;
[f06e3ac]	129	}
	130
[d3cbd17]	131	static void skype_buddy_ask_yes( gpointer w, struct skype_buddy_ask_data *bla )
	132	{
	133	char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED TRUE", bla->handle);
	134	skype_write( bla->ic, buf, strlen( buf ) );
	135	g_free(buf);
	136	g_free(bla->handle);
	137	g_free(bla);
	138	}
	139
	140	static void skype_buddy_ask_no( gpointer w, struct skype_buddy_ask_data *bla )
	141	{
	142	char *buf = g_strdup_printf("SET USER %s ISAUTHORIZED FALSE", bla->handle);
	143	skype_write( bla->ic, buf, strlen( buf ) );
	144	g_free(buf);
	145	g_free(bla->handle);
	146	g_free(bla);
	147	}
	148
	149	void skype_buddy_ask( struct im_connection ic, char handle, char *message)
	150	{
	151	struct skype_buddy_ask_data *bla = g_new0( struct skype_buddy_ask_data, 1 );
	152	char *buf;
	153
	154	bla->ic = ic;
	155	bla->handle = g_strdup(handle);
	156
	157	buf = g_strdup_printf( "The user %s wants to add you to his/her buddy list, saying: '%s'.", handle, message);
	158	imcb_ask( ic, buf, bla, skype_buddy_ask_yes, skype_buddy_ask_no );
	159	g_free( buf );
	160	}
	161
[1323e36]	162	static gboolean skype_read_callback( gpointer data, gint fd, b_input_condition cond )
	163	{
	164	struct im_connection *ic = data;
	165	struct skype_data *sd = ic->proto_data;
	166	char buf[1024];
	167	int st;
[9fd4241]	168	char lines, lineptr, line, ptr;
[1323e36]	169
[98bca36]	170	if( !sd \|\| sd->fd == -1 )
[1323e36]	171	return FALSE;
[7daec06]	172	/* Read the whole data. */
[1323e36]	173	st = read( sd->fd, buf, sizeof( buf ) );
	174	if( st > 0 )
	175	{
	176	buf[st] = '\0';
[7daec06]	177	/* Then split it up to lines. */
[9fd4241]	178	lines = g_strsplit(buf, "\n", 0);
	179	lineptr = lines;
	180	while((line = *lineptr))
	181	{
	182	if(!strlen(line))
	183	break;
	184	if(!strncmp(line, "USERS ", 6))
	185	{
	186	char **i;
	187	char **nicks;
	188
	189	nicks = g_strsplit(line + 6, ", ", 0);
	190	i = nicks;
	191	while(*i)
	192	{
	193	g_snprintf(buf, 1024, "GET USER %s ONLINESTATUS\n", *i);
	194	skype_write( ic, buf, strlen( buf ) );
	195	i++;
	196	}
	197	g_strfreev(nicks);
	198	}
	199	else if(!strncmp(line, "USER ", 5))
	200	{
[adce2de]	201	int flags = 0;
[be975f8]	202	char *status = strrchr(line, ' ');
	203	char *user = strchr(line, ' ');
[adce2de]	204	status++;
[be975f8]	205	ptr = strchr(++user, ' ');
	206	*ptr = '\0';
[6627d92]	207	ptr++;
[7daec06]	208	if(!strncmp(ptr, "ONLINESTATUS ", 13) &&
	209	strcmp(user, sd->username) != 0
	210	&& strcmp(user, "echo123") != 0)
[a3d6427]	211	{
	212	ptr = g_strdup_printf("%s@skype.com", user);
	213	imcb_add_buddy(ic, ptr, NULL);
	214	if(strcmp(status, "OFFLINE") != 0)
	215	flags \|= OPT_LOGGED_IN;
	216	if(strcmp(status, "ONLINE") != 0 && strcmp(status, "SKYPEME") != 0)
	217	flags \|= OPT_AWAY;
	218	imcb_buddy_status(ic, ptr, flags, NULL, NULL);
	219	g_free(ptr);
	220	}
[d3cbd17]	221	else if(!strncmp(ptr, "RECEIVEDAUTHREQUEST ", 20))
	222	{
	223	char *message = ptr + 20;
	224	if(strlen(message))
	225	skype_buddy_ask(ic, user, message);
	226	}
	227	else if(!strncmp(ptr, "BUDDYSTATUS ", 12))
	228	{
	229	char *st = ptr + 12;
	230	if(!strcmp(st, "3"))
	231	{
	232	char *buf = g_strdup_printf("%s@skype.com", user);
	233	imcb_add_buddy(ic, buf, NULL);
	234	g_free(buf);
	235	}
	236	}
[9fd4241]	237	}
[77c1abe]	238	else if(!strncmp(line, "CHATMESSAGE ", 12))
	239	{
	240	char *id = strchr(line, ' ');
	241	if(++id)
	242	{
	243	char *info = strchr(id, ' ');
	244	*info = '\0';
	245	info++;
	246	if(!strcmp(info, "STATUS RECEIVED"))
	247	{
[7daec06]	248	/* New message ID:
	249	* (1) Request its from field
	250	* (2) Request its body
	251	* (3) Mark it as seen
	252	*/
[77c1abe]	253	g_snprintf(buf, 1024, "GET CHATMESSAGE %s FROM_HANDLE\n", id);
	254	skype_write( ic, buf, strlen( buf ) );
	255	g_snprintf(buf, 1024, "GET CHATMESSAGE %s BODY\n", id);
	256	skype_write( ic, buf, strlen( buf ) );
[62bb4e4]	257	g_snprintf(buf, 1024, "SET CHATMESSAGE %s SEEN\n", id);
	258	skype_write( ic, buf, strlen( buf ) );
[77c1abe]	259	}
	260	else if(!strncmp(info, "FROM_HANDLE ", 12))
	261	{
	262	info += 12;
[7daec06]	263	/* New from field value. Store
	264	* it, then we can later use it
	265	* when we got the message's
	266	* body. */
[7613670]	267	g_free(sd->handle);
[77c1abe]	268	sd->handle = g_strdup_printf("%s@skype.com", info);
[5d1b0774]	269	}
	270	else if(!strncmp(info, "EDITED_BY ", 10))
	271	{
	272	info += 10;
	273	/* This is the same as
	274	* FROM_HANDLE, except that we
	275	* never request these lines
	276	* from Skype, we just get
	277	* them. */
	278	g_free(sd->handle);
	279	sd->handle = g_strdup_printf("%s@skype.com", info);
[77c1abe]	280	}
	281	else if(!strncmp(info, "BODY ", 5))
	282	{
	283	info += 5;
[4eaff41]	284	if(sd->handle && strlen(info))
[7daec06]	285	{
	286	/* New body, we have everything to use imcb_buddy_msg() now! */
[ed2e37f]	287	imcb_buddy_msg(ic, sd->handle, info, 0, 0);
[7daec06]	288	}
[77c1abe]	289	}
	290	}
	291	}
[ecfbc5d]	292	else if(!strncmp(line, "CALL ", 5))
	293	{
	294	char *id = strchr(line, ' ');
	295	if(++id)
	296	{
	297	char *info = strchr(id, ' ');
	298	*info = '\0';
	299	info++;
	300	if(!strcmp(info, "STATUS RINGING"))
	301	{
	302	g_snprintf(buf, 1024, "GET CALL %s PARTNER_HANDLE\n", id);
	303	skype_write( ic, buf, strlen( buf ) );
[bbba374]	304	sd->call_status = SKYPE_CALL_RINGING;
	305	}
	306	else if(!strcmp(info, "STATUS MISSED"))
	307	{
	308	g_snprintf(buf, 1024, "GET CALL %s PARTNER_HANDLE\n", id);
	309	skype_write( ic, buf, strlen( buf ) );
	310	sd->call_status = SKYPE_CALL_MISSED;
[ecfbc5d]	311	}
	312	else if(!strncmp(info, "PARTNER_HANDLE ", 15))
	313	{
	314	info += 15;
[bbba374]	315	switch(sd->call_status)
	316	{
	317	case SKYPE_CALL_RINGING:
	318	imcb_log(ic, "The user %s is currently ringing you.", info);
	319	break;
	320	case SKYPE_CALL_MISSED:
	321	imcb_log(ic, "You have missed a call from user %s.", info);
	322	break;
	323	}
[ecfbc5d]	324	}
	325	}
	326	}
[9fd4241]	327	lineptr++;
	328	}
	329	g_strfreev(lines);
[1323e36]	330	}
	331	else if( st == 0 \|\| ( st < 0 && !sockerr_again() ) )
	332	{
	333	closesocket( sd->fd );
	334	sd->fd = -1;
	335
	336	imcb_error( ic, "Error while reading from server" );
	337	imc_logout( ic, TRUE );
	338	return FALSE;
	339	}
	340	return TRUE;
	341	}
	342
[f06e3ac]	343	gboolean skype_start_stream( struct im_connection *ic )
	344	{
[1323e36]	345	struct skype_data *sd = ic->proto_data;
[f06e3ac]	346	char *buf;
	347	int st;
	348
[1fb89e3]	349	if(!sd)
	350	return FALSE;
	351
[368861e]	352	if( sd->bfd <= 0 )
	353	sd->bfd = b_input_add( sd->fd, GAIM_INPUT_READ, skype_read_callback, ic );
[1323e36]	354
[7daec06]	355	/* This will download all buddies. */
[9fd4241]	356	buf = g_strdup_printf("SEARCH FRIENDS\n");
[f06e3ac]	357	st = skype_write( ic, buf, strlen( buf ) );
	358	g_free(buf);
[348a3a2]	359	buf = g_strdup_printf("SET USERSTATUS ONLINE\n");
	360	skype_write( ic, buf, strlen( buf ) );
	361	g_free(buf);
[f06e3ac]	362	return st;
	363	}
	364
	365	gboolean skype_connected( gpointer data, gint source, b_input_condition cond )
	366	{
	367	struct im_connection *ic = data;
[ed2e37f]	368	imcb_connected(ic);
[f06e3ac]	369	return skype_start_stream(ic);
	370	}
	371
	372	static void skype_login( account_t *acc )
	373	{
	374	struct im_connection *ic = imcb_new( acc );
	375	struct skype_data *sd = g_new0( struct skype_data, 1 );
	376
	377	ic->proto_data = sd;
	378
	379	imcb_log( ic, "Connecting" );
	380	sd->fd = proxy_connect(acc->server, set_getint( &acc->set, "port" ), skype_connected, ic );
[a3d6427]	381	sd->username = g_strdup( acc->user );
[f06e3ac]	382
	383	sd->ic = ic;
	384	}
	385
	386	static void skype_logout( struct im_connection *ic )
	387	{
	388	struct skype_data *sd = ic->proto_data;
[98bca36]	389	char *buf;
	390
	391	buf = g_strdup_printf("SET USERSTATUS OFFLINE\n");
	392	skype_write( ic, buf, strlen( buf ) );
	393	g_free(buf);
	394
[a3d6427]	395	g_free(sd->username);
[7613670]	396	g_free(sd->handle);
[f06e3ac]	397	g_free(sd);
[98bca36]	398	ic->proto_data = NULL;
[f06e3ac]	399	}
	400
[93ece66]	401	static int skype_buddy_msg( struct im_connection ic, char who, char *message, int flags )
	402	{
[77c1abe]	403	char buf, ptr, *nick;
[93ece66]	404	int st;
	405
[cbec0d6]	406	nick = g_strdup(who);
[77c1abe]	407	ptr = strchr(nick, '@');
[0bb1b7f]	408	if(ptr)
	409	*ptr = '\0';
[93ece66]	410
[77c1abe]	411	buf = g_strdup_printf("MESSAGE %s %s\n", nick, message);
	412	g_free(nick);
[93ece66]	413	st = skype_write( ic, buf, strlen( buf ) );
	414	g_free(buf);
	415
	416	return st;
	417	}
	418
[23411c6]	419	const struct skype_away_state skype_away_state_by_name( char name )
	420	{
	421	int i;
	422
	423	for( i = 0; skype_away_state_list[i].full_name; i ++ )
	424	if( g_strcasecmp( skype_away_state_list[i].full_name, name ) == 0 )
	425	return( skype_away_state_list + i );
	426
	427	return NULL;
	428	}
	429
[f06e3ac]	430	static void skype_set_away( struct im_connection ic, char state_txt, char *message )
	431	{
[23411c6]	432	const struct skype_away_state *state;
	433	char *buf;
	434
	435	if( strcmp( state_txt, GAIM_AWAY_CUSTOM ) == 0 )
	436	state = skype_away_state_by_name( "Away" );
	437	else
	438	state = skype_away_state_by_name( state_txt );
	439	buf = g_strdup_printf("SET USERSTATUS %s\n", state->code);
	440	skype_write( ic, buf, strlen( buf ) );
	441	g_free(buf);
[f06e3ac]	442	}
	443
	444	static GList skype_away_states( struct im_connection ic )
	445	{
[23411c6]	446	GList *l = NULL;
[adce2de]	447	int i;
	448
[23411c6]	449	for( i = 0; skype_away_state_list[i].full_name; i ++ )
	450	l = g_list_append( l, (void*) skype_away_state_list[i].full_name );
[adce2de]	451
[f06e3ac]	452	return l;
	453	}
	454
	455	static void skype_add_buddy( struct im_connection ic, char who, char *group )
	456	{
[6627d92]	457	char buf, nick, *ptr;
	458
[cbec0d6]	459	nick = g_strdup(who);
[6627d92]	460	ptr = strchr(nick, '@');
	461	if(ptr)
	462	*ptr = '\0';
	463	buf = g_strdup_printf("SET USER %s BUDDYSTATUS 2 Please authorize me\n", nick);
	464	skype_write( ic, buf, strlen( buf ) );
	465	g_free(nick);
[f06e3ac]	466	}
	467
	468	static void skype_remove_buddy( struct im_connection ic, char who, char *group )
	469	{
[6627d92]	470	char buf, nick, *ptr;
	471
[cbec0d6]	472	nick = g_strdup(who);
[6627d92]	473	ptr = strchr(nick, '@');
	474	if(ptr)
	475	*ptr = '\0';
	476	buf = g_strdup_printf("SET USER %s BUDDYSTATUS 1\n", nick);
	477	skype_write( ic, buf, strlen( buf ) );
	478	g_free(nick);
[f06e3ac]	479	}
	480
	481	void init_plugin(void)
	482	{
	483	struct prpl *ret = g_new0( struct prpl, 1 );
	484
	485	ret->name = "skype";
	486	ret->login = skype_login;
	487	ret->init = skype_init;
	488	ret->logout = skype_logout;
[93ece66]	489	ret->buddy_msg = skype_buddy_msg;
[f06e3ac]	490	ret->away_states = skype_away_states;
[7daec06]	491	ret->set_away = skype_set_away;
[f06e3ac]	492	ret->add_buddy = skype_add_buddy;
	493	ret->remove_buddy = skype_remove_buddy;
	494	ret->handle_cmp = g_strcasecmp;
	495	register_protocol( ret );
	496	}

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