freebsd-skq/usr.sbin/bluetooth/sdpd/sd.c
Maksim Yevmenkin c169089a88 Straighten out those pesky SDP records for the Bluetooth
Service Discovery Application Profile.

Discussed with:	Iain Hibbert of NetBSD plunky at rya dash online dot net
MFC after:	3 weeks
2008-11-25 21:54:42 +00:00

229 lines
6.6 KiB
C

/*
* sd.c
*
* Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: sd.c,v 1.4 2004/01/13 01:54:39 max Exp $
* $FreeBSD$
*/
#include <sys/queue.h>
#include <bluetooth.h>
#include <sdp.h>
#include <string.h>
#include "profile.h"
#include "provider.h"
static int32_t
sd_profile_create_service_class_id_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
static uint16_t service_classes[] = {
SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER
};
return (common_profile_create_service_class_id_list(
buf, eob,
(uint8_t const *) service_classes,
sizeof(service_classes)));
}
static int32_t
sd_profile_create_bluetooth_profile_descriptor_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
static uint16_t profile_descriptor_list[] = {
SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER,
0x0100
};
return (common_profile_create_bluetooth_profile_descriptor_list(
buf, eob,
(uint8_t const *) profile_descriptor_list,
sizeof(profile_descriptor_list)));
}
static int32_t
sd_profile_create_service_id(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (buf + 3 > eob)
return (-1);
/*
* The ServiceID is a UUID that universally and uniquely identifies
* the service instance described by the service record. This service
* attribute is particularly useful if the same service is described
* by service records in more than one SDP server
*/
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */
return (3);
}
static int32_t
sd_profile_create_service_name(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
static char service_name[] = "Bluetooth service discovery";
return (common_profile_create_string8(
buf, eob,
(uint8_t const *) service_name, strlen(service_name)));
}
static int32_t
sd_profile_create_protocol_descriptor_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (buf + 12 > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(10, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(3, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(3, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf);
return (12);
}
static int32_t
sd_profile_create_browse_group_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (buf + 5 > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(3, buf);
/*
* The top-level browse group ID, called PublicBrowseRoot and
* representing the root of the browsing hierarchy, has the value
* 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the
* Bluetooth Assigned Numbers document
*/
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf);
return (5);
}
static int32_t
sd_profile_create_version_number_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (buf + 5 > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(3, buf);
/*
* The VersionNumberList is a data element sequence in which each
* element of the sequence is a version number supported by the SDP
* server. A version number is a 16-bit unsigned integer consisting
* of two fields. The higher-order 8 bits contain the major version
* number field and the low-order 8 bits contain the minor version
* number field. The initial version of SDP has a major version of
* 1 and a minor version of 0
*/
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(0x0100, buf);
return (5);
}
static int32_t
sd_profile_create_service_database_state(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
uint32_t change_state = provider_get_change_state();
if (buf + 5 > eob)
return (-1);
SDP_PUT8(SDP_DATA_UINT32, buf);
SDP_PUT32(change_state, buf);
return (5);
}
static attr_t sd_profile_attrs[] = {
{ SDP_ATTR_SERVICE_RECORD_HANDLE,
common_profile_create_service_record_handle },
{ SDP_ATTR_SERVICE_CLASS_ID_LIST,
sd_profile_create_service_class_id_list },
{ SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST,
sd_profile_create_bluetooth_profile_descriptor_list },
{ SDP_ATTR_SERVICE_ID,
sd_profile_create_service_id },
{ SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST,
common_profile_create_language_base_attribute_id_list },
{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET,
sd_profile_create_service_name },
{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET,
sd_profile_create_service_name },
{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET,
common_profile_create_service_provider_name },
{ SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
sd_profile_create_protocol_descriptor_list },
{ SDP_ATTR_BROWSE_GROUP_LIST,
sd_profile_create_browse_group_list },
{ SDP_ATTR_VERSION_NUMBER_LIST,
sd_profile_create_version_number_list },
{ SDP_ATTR_SERVICE_DATABASE_STATE,
sd_profile_create_service_database_state },
{ 0, NULL } /* end entry */
};
profile_t sd_profile_descriptor = {
SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER,
0,
(profile_data_valid_p) NULL,
(attr_t const * const) &sd_profile_attrs
};