freebsd-nq/usr.sbin/bluetooth/sdpd/profile.c
Maksim Yevmenkin 13040bc96b Add PSM and Load Factor SDP parameters to the BNEP based profiles
(NAP, GN and PANU). No reason to not to support them.

Separate SDP parameters data structures for the BNEP based profiles.

Generalize Service Availability SDP parameter creation.

Requested by:	Iain Hibbert < plunky at rya-online dot net >
MFC after:	3 days
2008-03-18 18:21:39 +00:00

498 lines
11 KiB
C

/*
* profile.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: profile.c,v 1.6 2004/01/13 19:31:54 max Exp $
* $FreeBSD$
*/
#include <sys/queue.h>
#include <bluetooth.h>
#include <sdp.h>
#include <string.h>
#include "profile.h"
#include "provider.h"
/*
* Lookup profile descriptor
*/
profile_p
profile_get_descriptor(uint16_t uuid)
{
extern profile_t dun_profile_descriptor;
extern profile_t ftrn_profile_descriptor;
extern profile_t irmc_profile_descriptor;
extern profile_t irmc_command_profile_descriptor;
extern profile_t lan_profile_descriptor;
extern profile_t opush_profile_descriptor;
extern profile_t sp_profile_descriptor;
extern profile_t nap_profile_descriptor;
extern profile_t gn_profile_descriptor;
extern profile_t panu_profile_descriptor;
static const profile_p profiles[] = {
&dun_profile_descriptor,
&ftrn_profile_descriptor,
&irmc_profile_descriptor,
&irmc_command_profile_descriptor,
&lan_profile_descriptor,
&opush_profile_descriptor,
&sp_profile_descriptor,
&nap_profile_descriptor,
&gn_profile_descriptor,
&panu_profile_descriptor
};
int32_t i;
for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++)
if (profiles[i]->uuid == uuid)
return (profiles[i]);
return (NULL);
}
/*
* Look attribute in the profile descripror
*/
profile_attr_create_p
profile_get_attr(const profile_p profile, uint16_t attr)
{
attr_p ad = (attr_p) profile->attrs;
for (; ad->create != NULL; ad ++)
if (ad->attr == attr)
return (ad->create);
return (NULL);
}
/*
* uint32 value32 - 5 bytes
*/
int32_t
common_profile_create_service_record_handle(
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_UINT32, buf);
SDP_PUT32(((provider_p) data)->handle, buf);
return (5);
}
/*
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
* [ uuid16 value ]
*/
int32_t
common_profile_create_service_class_id_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
int32_t len = 3 * (datalen >>= 1);
if (len <= 0 || len > 0xff || buf + 2 + len > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(len, buf);
for (; datalen > 0; datalen --) {
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(*((uint16_t const *)data), buf);
data += sizeof(uint16_t);
}
return (2 + len);
}
/*
* seq8 len8 - 2 bytes
* seq 8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
* uint16 value16 - 3 bytes
* [ seq 8 len8
* uuid16 value16
* uint16 value16 ]
*/
int32_t
common_profile_create_bluetooth_profile_descriptor_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
int32_t len = 8 * (datalen >>= 2);
if (len <= 0 || len > 0xff || buf + 2 + len > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(len, buf);
for (; datalen > 0; datalen --) {
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(6, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(*((uint16_t const *)data), buf);
data += sizeof(uint16_t);
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(*((uint16_t const *)data), buf);
data += sizeof(uint16_t);
}
return (2 + len);
}
/*
* seq8 len8 - 2 bytes
* uint16 value16 - 3 bytes
* uint16 value16 - 3 bytes
* uint16 value16 - 3 bytes
*/
int32_t
common_profile_create_language_base_attribute_id_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (buf + 11 > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(9, buf);
/*
* Language code per ISO 639:1988. Use "en".
*/
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(((0x65 << 8) | 0x6e), buf);
/*
* Encoding. Recommended is UTF-8. ISO639 UTF-8 MIBenum is 106
* (http://www.iana.org/assignments/character-sets)
*/
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(106, buf);
/*
* Offset (Primary Language Base is 0x100)
*/
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID, buf);
return (11);
}
/*
* Common provider name is "FreeBSD"
*/
int32_t
common_profile_create_service_provider_name(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
char provider_name[] = "FreeBSD";
return (common_profile_create_string8(buf, eob,
(uint8_t const *) provider_name,
strlen(provider_name)));
}
/*
* str8 len8 string
*/
int32_t
common_profile_create_string8(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (datalen == 0 || datalen > 0xff || buf + 2 + datalen > eob)
return (-1);
SDP_PUT8(SDP_DATA_STR8, buf);
SDP_PUT8(datalen, buf);
memcpy(buf, data, datalen);
return (2 + datalen);
}
/*
* Service Availability
*/
int32_t
common_profile_create_service_availability(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (datalen != 1 || buf + 2 > eob)
return (-1);
SDP_PUT8(SDP_DATA_UINT8, buf);
SDP_PUT8(data[0], buf);
return (2);
}
/*
* seq8 len8 - 2 bytes
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
* uint8 value8 - 2 bytes
*/
int32_t
rfcomm_profile_create_protocol_descriptor_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (datalen != 1 || buf + 14 > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(12, 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(5, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf);
SDP_PUT8(SDP_DATA_UINT8, buf);
SDP_PUT8(*data, buf);
return (14);
}
/*
* seq8 len8 - 2 bytes
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
* uint8 value8 - 2 bytes
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes
*/
int32_t
obex_profile_create_protocol_descriptor_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
if (datalen != 1 || buf + 19 > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(17, 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(5, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf);
SDP_PUT8(SDP_DATA_UINT8, buf);
SDP_PUT8(*data, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(3, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_OBEX, buf);
return (19);
}
/*
* seq8 len8
* uint8 value8 - bytes
* [ uint8 value 8 ]
*/
int32_t
obex_profile_create_supported_formats_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
int32_t len = 2 * datalen;
if (len <= 0 || len > 0xff || buf + 2 + len > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(len, buf);
for (; datalen > 0; datalen --) {
SDP_PUT8(SDP_DATA_UINT8, buf);
SDP_PUT8(*data++, buf);
}
return (2 + len);
}
/*
* do not check anything
*/
int32_t
common_profile_always_valid(uint8_t const *data, uint32_t datalen)
{
return (1);
}
/*
* verify server channel number (the first byte in the data)
*/
int32_t
common_profile_server_channel_valid(uint8_t const *data, uint32_t datalen)
{
if (data[0] < 1 || data[0] > 30)
return (0);
return (1);
}
/*
* verify server channel number and supported_formats_size
* sdp_opush_profile and sdp_irmc_profile
*/
int32_t
obex_profile_data_valid(uint8_t const *data, uint32_t datalen)
{
sdp_opush_profile_p opush = (sdp_opush_profile_p) data;
if (opush->server_channel < 1 ||
opush->server_channel > 30 ||
opush->supported_formats_size == 0 ||
opush->supported_formats_size > sizeof(opush->supported_formats))
return (0);
return (1);
}
/*
* BNEP protocol descriptor
*/
int32_t
bnep_profile_create_protocol_descriptor_list(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
/* supported protocol types */
uint16_t ptype[] = {
0x0800, /* IPv4 */
0x0806, /* ARP */
#ifdef INET6
0x86dd, /* IPv6 */
#endif
};
uint16_t i, psm, version = 0x0100,
nptypes = sizeof(ptype)/sizeof(ptype[0]),
nptypes_size = nptypes * 3;
if (datalen != 2 || 18 + nptypes_size > 255 ||
buf + 20 + nptypes_size > eob)
return (-1);
memcpy(&psm, data, sizeof(psm));
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(18 + nptypes_size, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(6, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(psm, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(8 + nptypes_size, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_BNEP, buf);
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(version, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(nptypes_size, buf);
for (i = 0; i < nptypes; i ++) {
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(ptype[i], buf);
}
return (20 + nptypes_size);
}
/*
* BNEP security description
*/
int32_t
bnep_profile_create_security_description(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
uint16_t security_descr;
if (datalen != 2 || buf + 3 > eob)
return (-1);
memcpy(&security_descr, data, sizeof(security_descr));
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(security_descr, buf);
return (3);
}