sdpd-service.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2001-2002  Nokia Corporation
 *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>
 *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
 *  Copyright (C) 2002-2003  Stephen Crane <steve.crane@rococosoft.com>
 *
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <stdlib.h>
#include <assert.h>
#include <sys/time.h>
#include <stdbool.h>

#include <glib.h>

#include "lib/bluetooth.h"
#include "lib/sdp.h"
#include "lib/sdp_lib.h"

#include "src/shared/util.h"
#include "sdpd.h"
#include "log.h"

#define MPSD_HFP_AG_A2DP_SRC_ANSWER_CALL_DURING_AUDIO		(1ULL << 0)
#define MPSD_HFP_HF_A2DP_SNK_ANSWER_CALL_DURING_AUDIO		(1ULL << 1)
#define MPSD_HFP_AG_A2DP_SRC_OUTGOING_CALL_DURING_AUDIO		(1ULL << 2)
#define MPSD_HFP_HF_A2DP_SNK_OUTGOING_CALL_DURING_AUDIO		(1ULL << 3)
#define MPSD_HFP_AG_A2DP_SRC_REJECT_CALL_DURING_AUDIO		(1ULL << 4)
#define MPSD_HFP_HF_A2DP_SNK_SRC_REJECT_CALL_DURING_AUDIO	(1ULL << 5)
#define MPSD_HFP_AG_A2DP_SRC_TERMINATE_CALL_DURING_AVP		(1ULL << 6)
#define MPSD_HFP_HF_A2DP_SNK_TERMINATE_CALL_DURING_AVP		(1ULL << 7)
#define MPSD_HFP_AG_A2DP_SRC_PRESS_PLAY_DURING_ACTIVE_CALL	(1ULL << 8)
#define MPSD_HFP_HF_A2DP_SNK_PRESS_PLAY_DURING_ACTIVE_CALL	(1ULL << 9)
#define MPSD_HFP_AG_A2DP_SRC_START_AUDIO_STREAM_AFTER_PLAY	(1ULL << 10)
#define MPSD_HFP_HF_A2DP_SNK_START_AUDIO_STREAM_AFTER_PLAY	(1ULL << 11)
#define MPSD_HFP_AG_A2DP_SRC_SUSPEND_AUDIO_STREAM_ON_PAUSE	(1ULL << 12)
#define MPSD_HFP_HF_A2DP_SNK_SUSPEND_AUDIO_STREAM_ON_PAUSE	(1ULL << 13)
#define MPSD_HFP_AG_DUN_GW_DATA_COMM_DURING_VOICE_CALL		(1ULL << 14)
#define MPSD_HFP_HF_DUN_DT_DATA_COMM_DURING_VOICE_CALL		(1ULL << 15)
#define MPSD_HFP_AG_DUN_GW_OUTGOING_CALL_DURING_DATA_COMM	(1ULL << 16)
#define MPSD_HFP_HF_DUN_DT_OUTGOING_CALL_DURING_DATA_COMM	(1ULL << 17)
#define MPSD_HFP_AG_DUN_GW_INCOMING_CALL_DURING_DATA_COMM	(1ULL << 18)
#define MPSD_HFP_HF_DUN_DT_INCOMING_CALL_DURING_DATA_COMM	(1ULL << 19)
#define MPSD_A2DP_SRC_DUN_GW_START_AUDIO_DURING_DATA_COMM	(1ULL << 20)
#define MPSD_A2DP_SNK_DUN_DT_START_AUDIO_DURING_DATA_COMM	(1ULL << 21)
#define MPSD_A2DP_SRC_DUN_GW_DATA_COMM_DURING_AUDIO_STREAM	(1ULL << 22)
#define MPSD_A2DP_SNK_DUN_DT_DATA_COMM_DURING_AUDIO_STREAM	(1ULL << 23)
#define MPSD_HFP_AG_DUN_GW_TERMINATE_CALL_DURING_DATA_COMM	(1ULL << 24)
#define MPSD_HFP_HF_DUN_DT_TERMINATE_CALL_DURING_DATA_COMM	(1ULL << 25)
#define MPSD_HFP_AG_PAN_NAP_DATA_COMM_DURING_VOICE_CALL		(1ULL << 26)
#define MPSD_HFP_HF_PAN_PANU_DATA_COMM_DURING_VOICE_CALL	(1ULL << 27)
#define MPSD_HFP_AG_PAN_NAP_OUTGOING_CALL_DURING_DATA_COMM	(1ULL << 28)
#define MPSD_HFP_HF_PAN_PANU_OUTGOING_CALL_DURING_DATA_COMM	(1ULL << 29)
#define MPSD_HFP_AG_PAN_NAP_INCOMING_CALL_DURING_DATA_COMM	(1ULL << 30)
#define MPSD_HFP_HF_PAN_PANU_INCOMING_CALL_DURING_DATA_COMM	(1ULL << 31)
#define MPSD_A2DP_SRC_PAN_NAP_START_AUDIO_DURING_DATA_COMM	(1ULL << 32)
#define MPSD_A2DP_SNK_PAN_PANU_START_AUDIO_DURING_DATA_COMM	(1ULL << 33)
#define MPSD_A2DP_SRC_PAN_NAP_DATA_COMM_DURING_AUDIO_STREAM	(1ULL << 34)
#define MPSD_A2DP_SNK_PAN_PANU_DATA_COMM_DURING_AUDIO_STREAM	(1ULL << 35)
#define MPSD_A2DP_SRC_PBAP_SRV_PB_DL_DURING_AUDIO_STREAM	(1ULL << 36)
#define MPSD_A2DP_SNK_PBAP_CLI_PB_DL_DURING_AUDIO_STREAM	(1ULL << 37)

#define MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_ANSWER_CALL_DURING_AUDIO	(1ULL << 0)
#define MPMD_A2DP_SRC_AVRCP_TG_ANSWER_CALL_DURING_AUDIO		(1ULL << 1)
#define MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_OUTGOING_CALL_DURING_AUDIO (1ULL << 2)
#define MPMD_A2DP_SRC_AVRCP_TG_OUTGOING_CALL_DURING_AUDIO	(1ULL << 3)
#define MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_REJECT_CALL_DURING_AUDIO	(1ULL << 4)
#define MPMD_A2DP_SRC_AVRCP_TG_REJECT_CALL_DURING_AUDIO		(1ULL << 5)
#define MPMD_HFP_AG_CALL_TERMINATION_DURING_AVP			(1ULL << 6)
#define MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_TERMINATION_DURING_AVP	(1ULL << 7)
#define MPMD_A2DP_SRC_AVRCP_TG_TERMINATION_DURING_AVP		(1ULL << 8)
#define MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_PLAY_DURING_CALL		(1ULL << 9)
#define MPMD_A2DP_SRC_AVRCP_TG_PRESS_PLAY_DURING_CALL		(1ULL << 10)
#define MPMD_AVRCP_CT_NO_A2DP_SNK_START_AUDIO_AFTER_PLAY	(1ULL << 11)
#define MPMD_A2DP_SRC_AVRCP_TG_START_AUDIO_AFTER_PLAY		(1ULL << 12)
#define MPMD_AVRCP_CT_NO_A2DP_SNK_SUSPEND_AUDIO_AFTER_PAUSE	(1ULL << 13)
#define MPMD_A2DP_SRC_AVRCP_TG_SUSPEND_AUDIO_AFTER_PAUSE	(1ULL << 14)
#define MPMD_A2DP_SRC_AVRCP_TG_START_AUDIO_DURING_DATA_COMM	(1ULL << 15)
#define MPMD_A2DP_SNK_AVRCP_CT_DUN_DT_AUDIO_DURING_DATA_COMM	(1ULL << 16)
#define MPMD_A2DP_SRC_AVRCP_TG_START_DATA_DURING_AUDIO		(1ULL << 17)
#define MPMD_A2DP_SNK_AVRCP_CT_DUN_DT_START_DATA_DURING_AUDIO	(1ULL << 18)

/* Note: in spec dependency bit position starts from 1 (bit 0 unused?) */
#define MPS_DEPS_SNIFF_MODE_DURRING_STREAMING	(1ULL << 1)
#define MPS_DEPS_GAVDP_REQUIREMENTS		(1ULL << 2)
#define MPS_DEPS_DIS_CONNECTION_ORDER_BEHAVIOR	(1ULL << 3)

/*
 * default MPS features are all disabled, will be updated if relevant service
 * is (un)registered
 */
#define MPS_MPSD_DEFAULT_FEATURES 0
#define MPS_MPMD_DEFAULT_FEATURES 0

/*
 * Those defines bits for all features that depend on specific profile and role.
 * If profile is not supported then all those bits should not be set in record
 */
#define MPS_MPSD_HFP_AG (MPSD_HFP_AG_A2DP_SRC_ANSWER_CALL_DURING_AUDIO | \
			MPSD_HFP_AG_A2DP_SRC_OUTGOING_CALL_DURING_AUDIO | \
			MPSD_HFP_AG_A2DP_SRC_REJECT_CALL_DURING_AUDIO | \
			MPSD_HFP_AG_A2DP_SRC_TERMINATE_CALL_DURING_AVP | \
			MPSD_HFP_AG_A2DP_SRC_PRESS_PLAY_DURING_ACTIVE_CALL | \
			MPSD_HFP_AG_A2DP_SRC_START_AUDIO_STREAM_AFTER_PLAY | \
			MPSD_HFP_AG_DUN_GW_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_AG_A2DP_SRC_SUSPEND_AUDIO_STREAM_ON_PAUSE | \
			MPSD_HFP_AG_DUN_GW_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_AG_DUN_GW_INCOMING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_AG_DUN_GW_TERMINATE_CALL_DURING_DATA_COMM | \
			MPSD_HFP_AG_PAN_NAP_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_AG_PAN_NAP_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_AG_PAN_NAP_INCOMING_CALL_DURING_DATA_COMM)

#define MPS_MPSD_HFP_HF (MPSD_HFP_HF_A2DP_SNK_ANSWER_CALL_DURING_AUDIO | \
			MPSD_HFP_HF_A2DP_SNK_OUTGOING_CALL_DURING_AUDIO | \
			MPSD_HFP_HF_A2DP_SNK_SRC_REJECT_CALL_DURING_AUDIO | \
			MPSD_HFP_HF_A2DP_SNK_TERMINATE_CALL_DURING_AVP | \
			MPSD_HFP_HF_A2DP_SNK_PRESS_PLAY_DURING_ACTIVE_CALL | \
			MPSD_HFP_HF_A2DP_SNK_START_AUDIO_STREAM_AFTER_PLAY | \
			MPSD_HFP_HF_A2DP_SNK_SUSPEND_AUDIO_STREAM_ON_PAUSE | \
			MPSD_HFP_HF_DUN_DT_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_HF_DUN_DT_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_HF_DUN_DT_INCOMING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_HF_DUN_DT_TERMINATE_CALL_DURING_DATA_COMM | \
			MPSD_HFP_HF_PAN_PANU_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_HF_PAN_PANU_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_HF_PAN_PANU_INCOMING_CALL_DURING_DATA_COMM)

#define MPS_MPSD_A2DP_SRC (MPSD_HFP_AG_A2DP_SRC_ANSWER_CALL_DURING_AUDIO | \
			MPSD_HFP_AG_A2DP_SRC_OUTGOING_CALL_DURING_AUDIO | \
			MPSD_HFP_AG_A2DP_SRC_REJECT_CALL_DURING_AUDIO | \
			MPSD_HFP_AG_A2DP_SRC_TERMINATE_CALL_DURING_AVP | \
			MPSD_HFP_AG_A2DP_SRC_PRESS_PLAY_DURING_ACTIVE_CALL | \
			MPSD_HFP_AG_A2DP_SRC_START_AUDIO_STREAM_AFTER_PLAY | \
			MPSD_HFP_AG_A2DP_SRC_SUSPEND_AUDIO_STREAM_ON_PAUSE | \
			MPSD_A2DP_SRC_DUN_GW_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SRC_DUN_GW_DATA_COMM_DURING_AUDIO_STREAM | \
			MPSD_A2DP_SRC_PAN_NAP_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SRC_PAN_NAP_DATA_COMM_DURING_AUDIO_STREAM | \
			MPSD_A2DP_SRC_PBAP_SRV_PB_DL_DURING_AUDIO_STREAM)

#define MPS_MPSD_A2DP_SNK (MPSD_HFP_HF_A2DP_SNK_ANSWER_CALL_DURING_AUDIO | \
			MPSD_HFP_HF_A2DP_SNK_OUTGOING_CALL_DURING_AUDIO | \
			MPSD_HFP_HF_A2DP_SNK_SRC_REJECT_CALL_DURING_AUDIO | \
			MPSD_HFP_HF_A2DP_SNK_TERMINATE_CALL_DURING_AVP | \
			MPSD_HFP_HF_A2DP_SNK_PRESS_PLAY_DURING_ACTIVE_CALL | \
			MPSD_HFP_HF_A2DP_SNK_START_AUDIO_STREAM_AFTER_PLAY | \
			MPSD_HFP_HF_A2DP_SNK_SUSPEND_AUDIO_STREAM_ON_PAUSE | \
			MPSD_A2DP_SNK_DUN_DT_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SNK_DUN_DT_DATA_COMM_DURING_AUDIO_STREAM | \
			MPSD_A2DP_SNK_PAN_PANU_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SNK_PAN_PANU_DATA_COMM_DURING_AUDIO_STREAM | \
			MPSD_A2DP_SNK_PBAP_CLI_PB_DL_DURING_AUDIO_STREAM)

#define MPS_MPSD_AVRCP_CT MPS_MPSD_A2DP_SNK

#define MPS_MPSD_AVRCP_TG MPS_MPSD_A2DP_SRC

#define MPS_MPSD_DUN_GW (MPSD_HFP_AG_DUN_GW_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_AG_DUN_GW_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_AG_DUN_GW_INCOMING_CALL_DURING_DATA_COMM | \
			MPSD_A2DP_SRC_DUN_GW_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SRC_DUN_GW_DATA_COMM_DURING_AUDIO_STREAM | \
			MPSD_HFP_AG_DUN_GW_TERMINATE_CALL_DURING_DATA_COMM)

#define MPS_MPSD_DUN_DT (MPSD_HFP_HF_DUN_DT_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_HF_DUN_DT_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_HF_DUN_DT_INCOMING_CALL_DURING_DATA_COMM | \
			MPSD_A2DP_SNK_DUN_DT_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SNK_DUN_DT_DATA_COMM_DURING_AUDIO_STREAM | \
			MPSD_HFP_HF_DUN_DT_TERMINATE_CALL_DURING_DATA_COMM)

#define MPS_MPSD_PAN_NAP (MPSD_HFP_AG_PAN_NAP_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_AG_PAN_NAP_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_AG_PAN_NAP_INCOMING_CALL_DURING_DATA_COMM | \
			MPSD_A2DP_SRC_PAN_NAP_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SRC_PAN_NAP_DATA_COMM_DURING_AUDIO_STREAM)

#define MPS_MPSD_PAN_PANU (MPSD_HFP_HF_PAN_PANU_DATA_COMM_DURING_VOICE_CALL | \
			MPSD_HFP_HF_PAN_PANU_OUTGOING_CALL_DURING_DATA_COMM | \
			MPSD_HFP_HF_PAN_PANU_INCOMING_CALL_DURING_DATA_COMM | \
			MPSD_A2DP_SNK_PAN_PANU_START_AUDIO_DURING_DATA_COMM | \
			MPSD_A2DP_SNK_PAN_PANU_DATA_COMM_DURING_AUDIO_STREAM)

#define MPS_MPSD_PBAP_SRC MPSD_A2DP_SRC_PBAP_SRV_PB_DL_DURING_AUDIO_STREAM

#define MPS_MPSD_PBAP_CLI MPSD_A2DP_SNK_PBAP_CLI_PB_DL_DURING_AUDIO_STREAM

#define MPS_MPSD_ALL (MPS_MPSD_HFP_AG | MPS_MPSD_HFP_HF | \
			MPS_MPSD_A2DP_SRC | MPS_MPSD_A2DP_SNK | \
			MPS_MPSD_AVRCP_CT | MPS_MPSD_AVRCP_TG | \
			MPS_MPSD_DUN_GW | MPS_MPSD_DUN_DT | \
			MPS_MPSD_PAN_NAP | MPS_MPSD_PAN_PANU | \
			MPS_MPSD_PBAP_SRC | MPS_MPSD_PBAP_CLI)

#define MPS_MPMD_HFP_AG MPMD_HFP_AG_CALL_TERMINATION_DURING_AVP

#define MPS_MPMD_HFP_HF ( \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_ANSWER_CALL_DURING_AUDIO | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_OUTGOING_CALL_DURING_AUDIO | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_REJECT_CALL_DURING_AUDIO | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_TERMINATION_DURING_AVP | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_PLAY_DURING_CALL)

#define MPS_MPMD_A2DP_SRC (MPMD_A2DP_SRC_AVRCP_TG_ANSWER_CALL_DURING_AUDIO | \
			MPMD_A2DP_SRC_AVRCP_TG_OUTGOING_CALL_DURING_AUDIO | \
			MPMD_A2DP_SRC_AVRCP_TG_REJECT_CALL_DURING_AUDIO | \
			MPMD_A2DP_SRC_AVRCP_TG_TERMINATION_DURING_AVP | \
			MPMD_A2DP_SRC_AVRCP_TG_PRESS_PLAY_DURING_CALL | \
			MPMD_A2DP_SRC_AVRCP_TG_START_AUDIO_AFTER_PLAY | \
			MPMD_A2DP_SRC_AVRCP_TG_SUSPEND_AUDIO_AFTER_PAUSE | \
			MPMD_A2DP_SRC_AVRCP_TG_START_AUDIO_DURING_DATA_COMM | \
			MPMD_A2DP_SRC_AVRCP_TG_START_DATA_DURING_AUDIO)

#define MPS_MPMD_A2DP_SNK ( \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_ANSWER_CALL_DURING_AUDIO | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_OUTGOING_CALL_DURING_AUDIO | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_REJECT_CALL_DURING_AUDIO | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_TERMINATION_DURING_AVP | \
		MPMD_HFP_HF_A2DP_SNK_AVRCP_CT_PLAY_DURING_CALL | \
		MPMD_A2DP_SNK_AVRCP_CT_DUN_DT_AUDIO_DURING_DATA_COMM | \
		MPMD_A2DP_SNK_AVRCP_CT_DUN_DT_START_DATA_DURING_AUDIO)

#define MPS_MPMD_AVRCP_CT MPS_MPMD_A2DP_SNK

/* should be set only if CT is supported but SNK is not supported */
#define MPS_MPMD_AVRCP_CT_ONLY ( \
		MPMD_AVRCP_CT_NO_A2DP_SNK_START_AUDIO_AFTER_PLAY | \
		MPMD_AVRCP_CT_NO_A2DP_SNK_SUSPEND_AUDIO_AFTER_PAUSE)

#define MPS_MPMD_AVRCP_TG MPS_MPMD_A2DP_SRC

#define MPS_MPMD_DUN_DT ( \
		MPMD_A2DP_SNK_AVRCP_CT_DUN_DT_AUDIO_DURING_DATA_COMM | \
		MPMD_A2DP_SNK_AVRCP_CT_DUN_DT_START_DATA_DURING_AUDIO)

#define MPS_MPMD_ALL (MPS_MPMD_HFP_AG | MPS_MPMD_HFP_HF | MPS_MPMD_A2DP_SRC | \
			MPS_MPMD_A2DP_SNK | MPS_MPMD_AVRCP_CT | \
			MPS_MPMD_AVRCP_CT_ONLY | MPS_MPMD_AVRCP_TG | \
			MPS_MPMD_DUN_DT)

/* Assume all dependencies are supported */
#define MPS_DEFAULT_DEPS (MPS_DEPS_SNIFF_MODE_DURRING_STREAMING | \
			MPS_DEPS_GAVDP_REQUIREMENTS | \
			MPS_DEPS_DIS_CONNECTION_ORDER_BEHAVIOR)

static sdp_record_t *server = NULL;
static uint32_t fixed_dbts = 0;

/*
 * List of version numbers supported by the SDP server.
 * Add to this list when newer versions are supported.
 */
static sdp_version_t sdpVnumArray[1] = {
	{ 1, 0 }
};
static const int sdpServerVnumEntries = 1;

static uint32_t mps_handle = 0;
static bool mps_mpmd = false;

/*
 * A simple function which returns the time of day in
 * seconds. Used for updating the service db state
 * attribute of the service record of the SDP server
 */
uint32_t sdp_get_time(void)
{
	/*
	 * To handle failure in gettimeofday, so an old
	 * value is returned and service does not fail
	 */
	static struct timeval tm;

	gettimeofday(&tm, NULL);
	return (uint32_t) tm.tv_sec;
}

/*
 * The service database state is an attribute of the service record
 * of the SDP server itself. This attribute is guaranteed to
 * change if any of the contents of the service repository
 * changes. This function updates the timestamp of value of
 * the svcDBState attribute
 * Set the SDP server DB. Simply a timestamp which is the marker
 * when the DB was modified.
 */
static void update_db_timestamp(void)
{
	if (fixed_dbts) {
		sdp_data_t *d = sdp_data_alloc(SDP_UINT32, &fixed_dbts);
		sdp_attr_replace(server, SDP_ATTR_SVCDB_STATE, d);
	} else {
		uint32_t dbts = sdp_get_time();
		sdp_data_t *d = sdp_data_alloc(SDP_UINT32, &dbts);
		sdp_attr_replace(server, SDP_ATTR_SVCDB_STATE, d);
	}
}

void set_fixed_db_timestamp(uint32_t dbts)
{
	fixed_dbts = dbts;
}

void register_public_browse_group(void)
{
	sdp_list_t *browselist;
	uuid_t bgscid, pbgid;
	sdp_data_t *sdpdata;
	sdp_record_t *browse = sdp_record_alloc();

	browse->handle = SDP_SERVER_RECORD_HANDLE + 1;

	sdp_record_add(BDADDR_ANY, browse);
	sdpdata = sdp_data_alloc(SDP_UINT32, &browse->handle);
	sdp_attr_add(browse, SDP_ATTR_RECORD_HANDLE, sdpdata);

	sdp_uuid16_create(&bgscid, BROWSE_GRP_DESC_SVCLASS_ID);
	browselist = sdp_list_append(0, &bgscid);
	sdp_set_service_classes(browse, browselist);
	sdp_list_free(browselist, 0);

	sdp_uuid16_create(&pbgid, PUBLIC_BROWSE_GROUP);
	sdp_attr_add_new(browse, SDP_ATTR_GROUP_ID,
				SDP_UUID16, &pbgid.value.uuid16);
}

/*
 * The SDP server must present its own service record to
 * the service repository. This can be accessed by service
 * discovery clients. This method constructs a service record
 * and stores it in the repository
 */
void register_server_service(void)
{
	sdp_list_t *classIDList;
	uuid_t classID;
	void **versions, **versionDTDs;
	uint8_t dtd;
	sdp_data_t *pData;
	int i;

	server = sdp_record_alloc();
	server->pattern = NULL;

	/* Force the record to be SDP_SERVER_RECORD_HANDLE */
	server->handle = SDP_SERVER_RECORD_HANDLE;

	sdp_record_add(BDADDR_ANY, server);
	sdp_attr_add(server, SDP_ATTR_RECORD_HANDLE,
				sdp_data_alloc(SDP_UINT32, &server->handle));

	sdp_uuid16_create(&classID, SDP_SERVER_SVCLASS_ID);
	classIDList = sdp_list_append(0, &classID);
	sdp_set_service_classes(server, classIDList);
	sdp_list_free(classIDList, 0);

	/*
	 * Set the version numbers supported, these are passed as arguments
	 * to the server on command line. Now defaults to 1.0
	 * Build the version number sequence first
	 */
	versions = malloc(sdpServerVnumEntries * sizeof(void *));
	versionDTDs = malloc(sdpServerVnumEntries * sizeof(void *));
	dtd = SDP_UINT16;
	for (i = 0; i < sdpServerVnumEntries; i++) {
		uint16_t *version = malloc(sizeof(uint16_t));
		*version = sdpVnumArray[i].major;
		*version = (*version << 8);
		*version |= sdpVnumArray[i].minor;
		versions[i] = version;
		versionDTDs[i] = &dtd;
	}
	pData = sdp_seq_alloc(versionDTDs, versions, sdpServerVnumEntries);
	for (i = 0; i < sdpServerVnumEntries; i++)
		free(versions[i]);
	free(versions);
	free(versionDTDs);
	sdp_attr_add(server, SDP_ATTR_VERSION_NUM_LIST, pData);

	update_db_timestamp();
}

void register_device_id(uint16_t source, uint16_t vendor,
					uint16_t product, uint16_t version)
{
	const uint16_t spec = 0x0103;
	const uint8_t primary = 1;
	sdp_list_t *class_list, *group_list, *profile_list;
	uuid_t class_uuid, group_uuid;
	sdp_data_t *sdp_data, *primary_data, *source_data;
	sdp_data_t *spec_data, *vendor_data, *product_data, *version_data;
	sdp_profile_desc_t profile;
	sdp_record_t *record = sdp_record_alloc();

	DBG("Adding device id record for %04x:%04x:%04x:%04x",
					source, vendor, product, version);

	record->handle = sdp_next_handle();

	sdp_record_add(BDADDR_ANY, record);
	sdp_data = sdp_data_alloc(SDP_UINT32, &record->handle);
	sdp_attr_add(record, SDP_ATTR_RECORD_HANDLE, sdp_data);

	sdp_uuid16_create(&class_uuid, PNP_INFO_SVCLASS_ID);
	class_list = sdp_list_append(0, &class_uuid);
	sdp_set_service_classes(record, class_list);
	sdp_list_free(class_list, NULL);

	sdp_uuid16_create(&group_uuid, PUBLIC_BROWSE_GROUP);
	group_list = sdp_list_append(NULL, &group_uuid);
	sdp_set_browse_groups(record, group_list);
	sdp_list_free(group_list, NULL);

	sdp_uuid16_create(&profile.uuid, PNP_INFO_PROFILE_ID);
	profile.version = spec;
	profile_list = sdp_list_append(NULL, &profile);
	sdp_set_profile_descs(record, profile_list);
	sdp_list_free(profile_list, NULL);

	spec_data = sdp_data_alloc(SDP_UINT16, &spec);
	sdp_attr_add(record, 0x0200, spec_data);

	vendor_data = sdp_data_alloc(SDP_UINT16, &vendor);
	sdp_attr_add(record, 0x0201, vendor_data);

	product_data = sdp_data_alloc(SDP_UINT16, &product);
	sdp_attr_add(record, 0x0202, product_data);

	version_data = sdp_data_alloc(SDP_UINT16, &version);
	sdp_attr_add(record, 0x0203, version_data);

	primary_data = sdp_data_alloc(SDP_BOOL, &primary);
	sdp_attr_add(record, 0x0204, primary_data);

	source_data = sdp_data_alloc(SDP_UINT16, &source);
	sdp_attr_add(record, 0x0205, source_data);

	update_db_timestamp();
}

static bool class_supported(uint16_t class)
{
	sdp_list_t *list;
	uuid_t uuid;

	sdp_uuid16_create(&uuid, class);

	for (list = sdp_get_record_list(); list; list = list->next) {
		sdp_record_t *rec = list->data;

		if (sdp_uuid_cmp(&rec->svclass, &uuid) == 0)
			return true;
	}

	return false;
}

static uint64_t mps_mpsd_features(void)
{
	uint64_t feat = MPS_MPSD_ALL;

	if (!class_supported(HANDSFREE_AGW_SVCLASS_ID))
		feat &= ~MPS_MPSD_HFP_AG;

	if (!class_supported(HANDSFREE_SVCLASS_ID))
		feat &= ~MPS_MPSD_HFP_HF;

	if (!class_supported(AUDIO_SOURCE_SVCLASS_ID))
		feat &= ~MPS_MPSD_A2DP_SRC;

	if (!class_supported(AUDIO_SINK_SVCLASS_ID))
		feat &= ~MPS_MPSD_A2DP_SNK;

	if (!class_supported(AV_REMOTE_CONTROLLER_SVCLASS_ID))
		feat &= ~MPS_MPSD_AVRCP_CT;

	if (!class_supported(AV_REMOTE_TARGET_SVCLASS_ID))
		feat &= ~MPS_MPSD_AVRCP_TG;

	if (!class_supported(DIALUP_NET_SVCLASS_ID))
		feat &= ~MPS_MPSD_DUN_GW;

	/* TODO */
	feat &= ~MPS_MPSD_DUN_DT;

	if (!class_supported(NAP_SVCLASS_ID))
		feat &= ~MPS_MPSD_PAN_NAP;

	if (!class_supported(PANU_SVCLASS_ID))
		feat &= ~MPS_MPSD_PAN_PANU;

	if (!class_supported(PBAP_PSE_SVCLASS_ID))
		feat &= ~MPS_MPSD_PBAP_SRC;

	if (!class_supported(PBAP_PCE_SVCLASS_ID))
		feat &= ~MPS_MPSD_PBAP_CLI;

	return feat;
}

static uint64_t mps_mpmd_features(void)
{
	uint64_t feat = MPS_MPMD_ALL;

	if (!class_supported(HANDSFREE_AGW_SVCLASS_ID))
		feat &= ~MPS_MPMD_HFP_AG;

	if (!class_supported(HANDSFREE_SVCLASS_ID))
		feat &= ~MPS_MPMD_HFP_HF;

	if (!class_supported(AUDIO_SOURCE_SVCLASS_ID))
		feat &= ~MPS_MPMD_A2DP_SRC;

	if (!class_supported(AUDIO_SINK_SVCLASS_ID))
		feat &= ~MPS_MPMD_A2DP_SNK;
	else
		feat &= ~MPS_MPMD_AVRCP_CT_ONLY;

	if (!class_supported(AV_REMOTE_CONTROLLER_SVCLASS_ID)) {
		feat &= ~MPS_MPMD_AVRCP_CT;
		feat &= ~MPS_MPMD_AVRCP_CT_ONLY;
	}

	if (!class_supported(AV_REMOTE_TARGET_SVCLASS_ID))
		feat &= ~MPS_MPMD_AVRCP_TG;

	/* TODO */
	feat &= ~MPS_MPMD_DUN_DT;

	return feat;
}

static sdp_record_t *mps_record(int mpmd)
{
	sdp_data_t *mpsd_features, *mpmd_features, *dependencies;
	sdp_list_t *svclass_id, *pfseq, *root;
	uuid_t root_uuid, svclass_uuid;
	sdp_profile_desc_t profile;
	sdp_record_t *record;
	uint64_t mpsd_feat = MPS_MPSD_DEFAULT_FEATURES;
	uint64_t mpmd_feat = MPS_MPMD_DEFAULT_FEATURES;
	uint16_t deps = MPS_DEFAULT_DEPS;

	record = sdp_record_alloc();
	if (!record)
		return NULL;

	sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
	root = sdp_list_append(NULL, &root_uuid);
	sdp_set_browse_groups(record, root);
	sdp_list_free(root, NULL);

	sdp_uuid16_create(&svclass_uuid, MPS_SVCLASS_ID);
	svclass_id = sdp_list_append(NULL, &svclass_uuid);
	sdp_set_service_classes(record, svclass_id);
	sdp_list_free(svclass_id, NULL);

	sdp_uuid16_create(&profile.uuid, MPS_PROFILE_ID);
	profile.version = 0x0100;
	pfseq = sdp_list_append(NULL, &profile);
	sdp_set_profile_descs(record, pfseq);
	sdp_list_free(pfseq, NULL);

	mpsd_features = sdp_data_alloc(SDP_UINT64, &mpsd_feat);
	sdp_attr_add(record, SDP_ATTR_MPSD_SCENARIOS, mpsd_features);

	if (mpmd) {
		mpmd_features = sdp_data_alloc(SDP_UINT64, &mpmd_feat);
		sdp_attr_add(record, SDP_ATTR_MPMD_SCENARIOS, mpmd_features);
	}

	dependencies = sdp_data_alloc(SDP_UINT16, &deps);
	sdp_attr_add(record, SDP_ATTR_MPS_DEPENDENCIES, dependencies);

	sdp_set_info_attr(record, "Multi Profile", 0, 0);

	return record;
}

void register_mps(bool mpmd)
{
	sdp_record_t *record;

	record = mps_record(mpmd);
	if (!record)
		return;

	if (add_record_to_server(BDADDR_ANY, record) < 0) {
		sdp_record_free(record);
		return;
	}

	mps_handle = record->handle;
	mps_mpmd = mpmd;
}

static void update_mps(void)
{
	sdp_record_t *rec;
	sdp_data_t *data;
	uint64_t mpsd_feat, mpmd_feat;

	if (!mps_handle)
		return;

	rec = sdp_record_find(mps_handle);
	if (!rec)
		return;

	mpsd_feat = mps_mpsd_features();
	data = sdp_data_alloc(SDP_UINT64, &mpsd_feat);
	sdp_attr_replace(rec, SDP_ATTR_MPSD_SCENARIOS, data);

	if (mps_mpmd) {
		mpmd_feat = mps_mpmd_features();
		data = sdp_data_alloc(SDP_UINT64, &mpmd_feat);
		sdp_attr_replace(rec, SDP_ATTR_MPMD_SCENARIOS, data);
	}
}

int add_record_to_server(const bdaddr_t *src, sdp_record_t *rec)
{
	sdp_data_t *data;
	sdp_list_t *pattern;

	if (rec->handle == 0xffffffff) {
		rec->handle = sdp_next_handle();
		if (rec->handle < 0x10000)
			return -ENOSPC;
	} else {
		if (sdp_record_find(rec->handle))
			return -EEXIST;
	}

	DBG("Adding record with handle 0x%05x", rec->handle);

	sdp_record_add(src, rec);

	data = sdp_data_alloc(SDP_UINT32, &rec->handle);
	sdp_attr_replace(rec, SDP_ATTR_RECORD_HANDLE, data);

	if (sdp_data_get(rec, SDP_ATTR_BROWSE_GRP_LIST) == NULL) {
		uuid_t uuid;
		sdp_uuid16_create(&uuid, PUBLIC_BROWSE_GROUP);
		sdp_pattern_add_uuid(rec, &uuid);
	}

	for (pattern = rec->pattern; pattern; pattern = pattern->next) {
		char uuid[32];

		if (pattern->data == NULL)
			continue;

		sdp_uuid2strn((uuid_t *) pattern->data, uuid, sizeof(uuid));
		DBG("Record pattern UUID %s", uuid);
	}

	update_mps();
	update_db_timestamp();

	return 0;
}

int remove_record_from_server(uint32_t handle)
{
	sdp_record_t *rec;

	/* Refuse to remove the server's own record */
	if (handle == SDP_SERVER_RECORD_HANDLE)
		return -EINVAL;

	DBG("Removing record with handle 0x%05x", handle);

	rec = sdp_record_find(handle);
	if (!rec)
		return -ENOENT;

	if (sdp_record_remove(handle) == 0) {
		update_mps();
		update_db_timestamp();
	}

	sdp_record_free(rec);

	return 0;
}

/* FIXME: refactor for server-side */
static sdp_record_t *extract_pdu_server(bdaddr_t *device, uint8_t *p,
					unsigned int bufsize,
					uint32_t handleExpected, int *scanned)
{
	int extractStatus = -1, localExtractedLength = 0;
	uint8_t dtd;
	int seqlen = 0;
	sdp_record_t *rec = NULL;
	uint16_t attrId, lookAheadAttrId;
	sdp_data_t *pAttr = NULL;
	uint32_t handle = 0xffffffff;

	*scanned = sdp_extract_seqtype(p, bufsize, &dtd, &seqlen);
	p += *scanned;
	bufsize -= *scanned;

	if (bufsize < sizeof(uint8_t) + sizeof(uint8_t)) {
		SDPDBG("Unexpected end of packet");
		return NULL;
	}

	lookAheadAttrId = get_be16(p + sizeof(uint8_t));

	SDPDBG("Look ahead attr id : %d", lookAheadAttrId);

	if (lookAheadAttrId == SDP_ATTR_RECORD_HANDLE) {
		if (bufsize < (sizeof(uint8_t) * 2) +
					sizeof(uint16_t) + sizeof(uint32_t)) {
			SDPDBG("Unexpected end of packet");
			return NULL;
		}
		handle = get_be32(p + sizeof(uint8_t) + sizeof(uint16_t) +
							sizeof(uint8_t));
		SDPDBG("SvcRecHandle : 0x%x", handle);
		rec = sdp_record_find(handle);
	} else if (handleExpected != 0xffffffff)
		rec = sdp_record_find(handleExpected);

	if (!rec) {
		rec = sdp_record_alloc();
		rec->attrlist = NULL;
		if (lookAheadAttrId == SDP_ATTR_RECORD_HANDLE) {
			rec->handle = handle;
			sdp_record_add(device, rec);
		} else if (handleExpected != 0xffffffff) {
			rec->handle = handleExpected;
			sdp_record_add(device, rec);
		}
	} else {
		sdp_list_free(rec->attrlist, (sdp_free_func_t) sdp_data_free);
		rec->attrlist = NULL;
	}

	while (localExtractedLength < seqlen) {
		int attrSize = sizeof(uint8_t);
		int attrValueLength = 0;

		if (bufsize < attrSize + sizeof(uint16_t)) {
			SDPDBG("Unexpected end of packet: Terminating extraction of attributes");
			break;
		}

		SDPDBG("Extract PDU, sequenceLength: %d localExtractedLength: %d",
							seqlen, localExtractedLength);
		dtd = *(uint8_t *) p;

		attrId = get_be16(p + attrSize);
		attrSize += sizeof(uint16_t);

		SDPDBG("DTD of attrId : %d Attr id : 0x%x", dtd, attrId);

		pAttr = sdp_extract_attr(p + attrSize, bufsize - attrSize,
							&attrValueLength, rec);

		SDPDBG("Attr id : 0x%x attrValueLength : %d", attrId, attrValueLength);

		attrSize += attrValueLength;
		if (pAttr == NULL) {
			SDPDBG("Terminating extraction of attributes");
			break;
		}
		localExtractedLength += attrSize;
		p += attrSize;
		bufsize -= attrSize;
		sdp_attr_replace(rec, attrId, pAttr);
		extractStatus = 0;
		SDPDBG("Extract PDU, seqLength: %d localExtractedLength: %d",
					seqlen, localExtractedLength);
	}

	if (extractStatus == 0) {
		SDPDBG("Successful extracting of Svc Rec attributes");
#ifdef SDP_DEBUG
		sdp_print_service_attr(rec->attrlist);
#endif
		*scanned += seqlen;
	}
	return rec;
}

/*
 * Add the newly created service record to the service repository
 */
int service_register_req(sdp_req_t *req, sdp_buf_t *rsp)
{
	int scanned = 0;
	sdp_data_t *handle;
	uint8_t *p = req->buf + sizeof(sdp_pdu_hdr_t);
	int bufsize = req->len - sizeof(sdp_pdu_hdr_t);
	sdp_record_t *rec;

	req->flags = *p++;
	if (req->flags & SDP_DEVICE_RECORD) {
		bacpy(&req->device, (bdaddr_t *) p);
		p += sizeof(bdaddr_t);
		bufsize -= sizeof(bdaddr_t);
	}

	/* save image of PDU: we need it when clients request this attribute */
	rec = extract_pdu_server(&req->device, p, bufsize, 0xffffffff, &scanned);
	if (!rec)
		goto invalid;

	if (rec->handle == 0xffffffff) {
		rec->handle = sdp_next_handle();
		if (rec->handle < 0x10000) {
			sdp_record_free(rec);
			goto invalid;
		}
	} else {
		if (sdp_record_find(rec->handle)) {
			/* extract_pdu_server will add the record handle
			 * if it is missing. So instead of failing, skip
			 * the record adding to avoid duplication. */
			goto success;
		}
	}

	sdp_record_add(&req->device, rec);
	if (!(req->flags & SDP_RECORD_PERSIST))
		sdp_svcdb_set_collectable(rec, req->sock);

	handle = sdp_data_alloc(SDP_UINT32, &rec->handle);
	sdp_attr_replace(rec, SDP_ATTR_RECORD_HANDLE, handle);

success:
	/* if the browse group descriptor is NULL,
	 * ensure that the record belongs to the ROOT group */
	if (sdp_data_get(rec, SDP_ATTR_BROWSE_GRP_LIST) == NULL) {
		uuid_t uuid;
		sdp_uuid16_create(&uuid, PUBLIC_BROWSE_GROUP);
		sdp_pattern_add_uuid(rec, &uuid);
	}

	update_db_timestamp();

	/* Build a rsp buffer */
	put_be32(rec->handle, rsp->data);
	rsp->data_size = sizeof(uint32_t);

	return 0;

invalid:
	put_be16(SDP_INVALID_SYNTAX, rsp->data);
	rsp->data_size = sizeof(uint16_t);

	return -1;
}

/*
 * Update a service record
 */
int service_update_req(sdp_req_t *req, sdp_buf_t *rsp)
{
	sdp_record_t *orec, *nrec;
	int status = 0, scanned = 0;
	uint8_t *p = req->buf + sizeof(sdp_pdu_hdr_t);
	int bufsize = req->len - sizeof(sdp_pdu_hdr_t);
	uint32_t handle = get_be32(p);

	SDPDBG("Svc Rec Handle: 0x%x", handle);

	p += sizeof(uint32_t);
	bufsize -= sizeof(uint32_t);

	orec = sdp_record_find(handle);

	SDPDBG("SvcRecOld: %p", orec);

	if (!orec) {
		status = SDP_INVALID_RECORD_HANDLE;
		goto done;
	}

	nrec = extract_pdu_server(BDADDR_ANY, p, bufsize, handle, &scanned);
	if (!nrec) {
		status = SDP_INVALID_SYNTAX;
		goto done;
	}

	assert(nrec == orec);

	update_db_timestamp();

done:
	p = rsp->data;
	put_be16(status, p);
	rsp->data_size = sizeof(uint16_t);
	return status;
}

/*
 * Remove a registered service record
 */
int service_remove_req(sdp_req_t *req, sdp_buf_t *rsp)
{
	uint8_t *p = req->buf + sizeof(sdp_pdu_hdr_t);
	uint32_t handle = get_be32(p);
	sdp_record_t *rec;
	int status = 0;

	/* extract service record handle */

	rec = sdp_record_find(handle);
	if (rec) {
		sdp_svcdb_collect(rec);
		status = sdp_record_remove(handle);
		sdp_record_free(rec);
		if (status == 0)
			update_db_timestamp();
	} else {
		status = SDP_INVALID_RECORD_HANDLE;
		SDPDBG("Could not find record : 0x%x", handle);
	}

	p = rsp->data;
	put_be16(status, p);
	rsp->data_size = sizeof(uint16_t);

	return status;
}