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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2007 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 <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/l2cap.h>
#include <bluetooth/sdp.h>
#include <netinet/in.h>
#include "glib-ectomy.h"
#include "hcid.h"
#include "sdp.h"
struct session {
uint16_t omtu;
uint16_t imtu;
};
static void session_destory(gpointer data)
{
struct session *session_data = data;
debug("Cleanup of SDP session");
if (session_data)
free(session_data);
}
static gboolean session_event(GIOChannel *chan, GIOCondition cond, gpointer data)
{
unsigned char buf[672], *ptr = buf;
sdp_pdu_hdr_t *hdr;
gsize len;
GIOError err;
int sk, ret;
if (cond & (G_IO_HUP | G_IO_ERR)) {
g_io_channel_unref(chan);
return FALSE;
}
debug("Incoming SDP transaction");
err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
if (err == G_IO_ERROR_AGAIN)
return TRUE;
hdr = (sdp_pdu_hdr_t *) ptr;
hdr->pdu_id = SDP_ERROR_RSP;
hdr->plen = htons(2);
memset(ptr + 5, 0, 2);
sk = g_io_channel_unix_get_fd(chan);
ret = write(sk, ptr, 7);
return TRUE;
}
static gboolean connect_event(GIOChannel *chan, GIOCondition cond, gpointer data)
{
GIOChannel *io;
struct session *session_data;
struct sockaddr_l2 addr;
struct l2cap_options opts;
socklen_t optlen;
int sk, nsk;
debug("Incoming SDP connection");
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) {
error("Can't accept L2CAP connection: %s (%d)",
strerror(errno), errno);
return TRUE;
}
memset(&opts, 0, sizeof(opts));
optlen = sizeof(opts);
if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, &optlen) < 0) {
error("Can't get L2CAP options: %s (%d)",
strerror(errno), errno);
close(nsk);
return TRUE;
}
session_data = malloc(sizeof(*session_data));
if (!session_data) {
close(nsk);
return TRUE;
}
memset(session_data, 0, sizeof(*session_data));
session_data->omtu = opts.omtu;
session_data->imtu = opts.imtu;
io = g_io_channel_unix_new(nsk);
g_io_channel_set_close_on_unref(io, TRUE);
g_io_add_watch_full(io, 0, G_IO_IN | G_IO_HUP | G_IO_ERR, session_event,
session_data, session_destory);
return TRUE;
}
int start_sdp_server(void)
{
GIOChannel *io;
struct sockaddr_l2 addr;
int sk;
info("Starting SDP server");
sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
if (sk < 0) {
error("Can't open L2CAP socket: %s (%d)",
strerror(errno), errno);
return -errno;
}
memset(&addr, 0, sizeof(addr));
addr.l2_family = AF_BLUETOOTH;
bacpy(&addr.l2_bdaddr, BDADDR_ANY);
addr.l2_psm = htobs(1);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
error("Can't bind L2CAP socket: %s (%d)",
strerror(errno), errno);
return -errno;
}
listen(sk, 5);
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);
return 0;
}
void stop_sdp_server(void)
{
info("Stopping SDP server");
}
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