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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2005-2006 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include <glib.h>
#include <dbus/dbus.h>
#include "dbus.h"
#include "logging.h"
static GMainLoop *main_loop = NULL;
static gboolean session_event(GIOChannel *chan, GIOCondition cond, gpointer data)
{
unsigned char buf[672];
gsize len, written;
GIOError err;
if (cond & (G_IO_HUP | G_IO_ERR)) {
g_io_channel_unref(chan);
return FALSE;
}
err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
if (err == G_IO_ERROR_AGAIN)
return TRUE;
g_io_channel_write(chan, (const gchar *) buf, len, &written);
return TRUE;
}
static gboolean connect_event(GIOChannel *chan, GIOCondition cond, gpointer data)
{
GIOChannel *io;
struct sockaddr_rc addr;
socklen_t optlen;
int sk, nsk;
sk = g_io_channel_unix_get_fd(chan);
memset(&addr, 0, sizeof(addr));
optlen = sizeof(addr);
nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
if (nsk < 0)
return TRUE;
io = g_io_channel_unix_new(nsk);
g_io_channel_set_close_on_unref(io, TRUE);
g_io_add_watch(io, G_IO_IN | G_IO_HUP | G_IO_ERR,
session_event, NULL);
g_io_channel_unref(io);
return TRUE;
}
static GIOChannel *setup_rfcomm(uint8_t channel)
{
GIOChannel *io;
struct sockaddr_rc addr;
int sk;
sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (sk < 0)
return NULL;
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, BDADDR_ANY);
addr.rc_channel = channel;
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
close(sk);
return NULL;
}
if (listen(sk, 10) < 0) {
close(sk);
return NULL;
}
io = g_io_channel_unix_new(sk);
g_io_channel_set_close_on_unref(io, TRUE);
g_io_add_watch(io, G_IO_IN, connect_event, NULL);
g_io_channel_unref(io);
return io;
}
static int setup_sdp(uint8_t channel)
{
sdp_session_t *session;
sdp_record_t *record;
sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto;
uuid_t root_uuid, l2cap, rfcomm, spp;
sdp_profile_desc_t profile[1];
sdp_list_t *proto[2];
session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0);
if (!session) {
error("Connection to SDP server failed");
return -1;
}
record = sdp_record_alloc();
if (!record) {
error("Allocation of service record failed");
return -1;
}
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(NULL, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&l2cap, L2CAP_UUID);
proto[0] = sdp_list_append(NULL, &l2cap);
apseq = sdp_list_append(NULL, proto[0]);
sdp_uuid16_create(&rfcomm, RFCOMM_UUID);
proto[1] = sdp_list_append(NULL, &rfcomm);
proto[1] = sdp_list_append(proto[1], sdp_data_alloc(SDP_UINT8, &channel));
apseq = sdp_list_append(apseq, proto[1]);
aproto = sdp_list_append(NULL, apseq);
sdp_set_access_protos(record, aproto);
sdp_uuid16_create(&spp, SERIAL_PORT_SVCLASS_ID);
svclass = sdp_list_append(NULL, &spp);
sdp_set_service_classes(record, svclass);
sdp_uuid16_create(&profile[0].uuid, SERIAL_PORT_PROFILE_ID);
profile[0].version = 0x0100;
pfseq = sdp_list_append(NULL, &profile[0]);
sdp_set_profile_descs(record, pfseq);
sdp_set_info_attr(record, "Echo service", NULL, NULL);
if (sdp_record_register(session, record, 0) < 0) {
error("Registration of service record failed");
sdp_record_free(record);
return -1;
}
sdp_record_free(record);
return 0;
}
static void sig_term(int sig)
{
g_main_loop_quit(main_loop);
}
static void sig_hup(int sig)
{
}
int main(int argc, char *argv[])
{
DBusConnection *system_bus;
GIOChannel *server_io;
struct sigaction sa;
start_logging("echo", "Bluetooth echo service ver %s", VERSION);
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_NOCLDSTOP;
sa.sa_handler = sig_term;
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
sa.sa_handler = sig_hup;
sigaction(SIGHUP, &sa, NULL);
main_loop = g_main_loop_new(NULL, FALSE);
server_io = setup_rfcomm(23);
if (!server_io) {
error("Creation of server channel failed");
g_main_loop_unref(main_loop);
exit(1);
}
setup_sdp(23);
system_bus = init_dbus(NULL, NULL, NULL);
if (!system_bus) {
error("Connection to system bus failed");
g_io_channel_unref(server_io);
g_main_loop_unref(main_loop);
exit(1);
}
g_main_loop_run(main_loop);
g_io_channel_unref(server_io);
dbus_connection_unref(system_bus);
g_main_loop_unref(main_loop);
info("Exit");
stop_logging();
return 0;
}
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