NetBSD-5.0.2/usr.sbin/sdpd/profile.c
/* $NetBSD: profile.c,v 1.5 2008/03/19 23:15:19 plunky Exp $ */
/*
* profile.c
*
* Copyright (c) 2008 Iain Hibbert
* 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 1.5 2008/03/19 23:15:19 plunky Exp $
* $FreeBSD: src/usr.sbin/bluetooth/sdpd/profile.c,v 1.2 2004/07/28 07:15:44 kan Exp $
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: profile.c,v 1.5 2008/03/19 23:15:19 plunky Exp $");
#include <sys/queue.h>
#include <sys/utsname.h>
#include <net/ethertypes.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 gn_profile_descriptor;
extern profile_t hf_profile_descriptor;
extern profile_t hset_profile_descriptor;
extern profile_t irmc_profile_descriptor;
extern profile_t irmc_command_profile_descriptor;
extern profile_t lan_profile_descriptor;
extern profile_t nap_profile_descriptor;
extern profile_t opush_profile_descriptor;
extern profile_t panu_profile_descriptor;
extern profile_t sp_profile_descriptor;
static const profile_p profiles[] = {
&dun_profile_descriptor,
&ftrn_profile_descriptor,
&gn_profile_descriptor,
&hf_profile_descriptor,
&hset_profile_descriptor,
&irmc_profile_descriptor,
&irmc_command_profile_descriptor,
&lan_profile_descriptor,
&nap_profile_descriptor,
&opush_profile_descriptor,
&panu_profile_descriptor,
&sp_profile_descriptor,
};
int32_t i;
for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++)
if (profiles[i]->uuid[0] == 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_t const *ad = (attr_t const *) 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_t const *) 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);
}
/*
* Use Operating System name as provider name
*/
int32_t
common_profile_create_service_provider_name(
uint8_t *buf, uint8_t const * const eob,
uint8_t const *data, uint32_t datalen)
{
struct utsname u;
char const *name;
if (uname(&u) < 0)
name = "Unknown";
else
name = u.sysname;
return (common_profile_create_string8(buf, eob,
(uint8_t const *)name, strlen(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);
}
/*
* 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);
}
/*
* 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);
}
/*
* seq8 len8 - 2 bytes
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes (L2CAP)
* uint16 value16 - 3 bytes (PSM)
* seq8 len8 - 2 bytes
* uuid16 value16 - 3 bytes (BNEP)
* uint16 value16 - 3 bytes (v1.0)
* seq8 len8 - 2 bytes
* uint16 value16 - 3 bytes (IPv4)
* uint16 value16 - 3 bytes (ARP)
* uint16 value16 - 3 bytes (IPv6)
*/
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 */
const uint16_t ptype[] = {
ETHERTYPE_IP,
ETHERTYPE_ARP,
#ifdef INET6
ETHERTYPE_IPV6,
#endif
};
const int psize = __arraycount(ptype) * 3;
int i;
if (datalen != 2 || (18 + psize) > 255 || (buf + 20 + psize) > eob)
return (-1);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(18 + psize, 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(*(uint16_t *)data, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(8 + psize, buf);
SDP_PUT8(SDP_DATA_UUID16, buf);
SDP_PUT16(SDP_UUID_PROTOCOL_BNEP, buf);
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(0x0100, buf);
SDP_PUT8(SDP_DATA_SEQ8, buf);
SDP_PUT8(psize, buf);
for (i = 0 ; i < __arraycount(ptype) ; i ++) {
SDP_PUT8(SDP_DATA_UINT16, buf);
SDP_PUT16(ptype[i], buf);
}
return (20 + psize);
}
/*
* 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_t const *opush = (sdp_opush_profile_t const *) 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);
}