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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2002-2006 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 <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include "dund.h"
static unsigned char async_uuid[] = { 0x03, 0x50, 0x27, 0x8F, 0x3D, 0xCA, 0x4E, 0x62,
0x83, 0x1D, 0xA4, 0x11, 0x65, 0xFF, 0x90, 0x6C };
static sdp_record_t *record;
static sdp_session_t *session;
void dun_sdp_unregister(void)
{
if (record && sdp_record_unregister(session, record))
syslog(LOG_ERR, "Service record unregistration failed.");
sdp_close(session);
}
int dun_sdp_register(bdaddr_t *device, uint8_t channel, int type)
{
sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto;
uuid_t root_uuid, l2cap, rfcomm, dun;
sdp_profile_desc_t profile[1];
sdp_list_t *proto[2];
int status;
session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0);
if (!session) {
syslog(LOG_ERR, "Failed to connect to the local SDP server. %s(%d)",
strerror(errno), errno);
return -1;
}
record = sdp_record_alloc();
if (!record) {
syslog(LOG_ERR, "Failed to alloc service record");
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);
switch (type) {
case MROUTER:
sdp_uuid16_create(&dun, SERIAL_PORT_SVCLASS_ID);
break;
case ACTIVESYNC:
sdp_uuid128_create(&dun, (void *) async_uuid);
break;
case DIALUP:
sdp_uuid16_create(&dun, DIALUP_NET_SVCLASS_ID);
break;
default:
sdp_uuid16_create(&dun, LAN_ACCESS_SVCLASS_ID);
break;
}
svclass = sdp_list_append(NULL, &dun);
sdp_set_service_classes(record, svclass);
switch (type) {
case LANACCESS:
sdp_uuid16_create(&profile[0].uuid, LAN_ACCESS_PROFILE_ID);
profile[0].version = 0x0100;
pfseq = sdp_list_append(NULL, &profile[0]);
sdp_set_profile_descs(record, pfseq);
break;
case DIALUP:
sdp_uuid16_create(&profile[0].uuid, DIALUP_NET_PROFILE_ID);
profile[0].version = 0x0100;
pfseq = sdp_list_append(NULL, &profile[0]);
sdp_set_profile_descs(record, pfseq);
break;
}
switch (type) {
case MROUTER:
sdp_set_info_attr(record, "mRouter", NULL, NULL);
break;
case ACTIVESYNC:
sdp_set_info_attr(record, "ActiveSync", NULL, NULL);
break;
case DIALUP:
sdp_set_info_attr(record, "Dialup Networking", NULL, NULL);
break;
default:
sdp_set_info_attr(record, "LAN Access Point", NULL, NULL);
break;
}
status = sdp_device_record_register(session, device, record, 0);
if (status) {
syslog(LOG_ERR, "SDP registration failed.");
sdp_record_free(record);
record = NULL;
return -1;
}
return 0;
}
int dun_sdp_search(bdaddr_t *src, bdaddr_t *dst, int *channel, int type)
{
sdp_session_t *s;
sdp_list_t *srch, *attrs, *rsp;
uuid_t svclass;
uint16_t attr;
int err;
s = sdp_connect(src, dst, 0);
if (!s) {
syslog(LOG_ERR, "Failed to connect to the SDP server. %s(%d)",
strerror(errno), errno);
return -1;
}
switch (type) {
case MROUTER:
sdp_uuid16_create(&svclass, SERIAL_PORT_SVCLASS_ID);
break;
case ACTIVESYNC:
sdp_uuid128_create(&svclass, (void *) async_uuid);
break;
default:
sdp_uuid16_create(&svclass, LAN_ACCESS_SVCLASS_ID);
break;
}
srch = sdp_list_append(NULL, &svclass);
attr = SDP_ATTR_PROTO_DESC_LIST;
attrs = sdp_list_append(NULL, &attr);
err = sdp_service_search_attr_req(s, srch, SDP_ATTR_REQ_INDIVIDUAL, attrs, &rsp);
sdp_close(s);
if (err)
return 0;
for(; rsp; rsp = rsp->next) {
sdp_record_t *rec = (sdp_record_t *) rsp->data;
sdp_list_t *protos;
if (!sdp_get_access_protos(rec, &protos)) {
int ch = sdp_get_proto_port(protos, RFCOMM_UUID);
if (ch > 0) {
*channel = ch;
return 1;
}
}
}
return 0;
}
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