21be80ae80
This allows user-space programs like virtual_oss(8) to act as a Bluetooth speaker device. MFC after: 1 week Sponsored by: Mellanox Technologies
505 lines
11 KiB
C
505 lines
11 KiB
C
/*
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* profile.c
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*/
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: profile.c,v 1.6 2004/01/13 19:31:54 max Exp $
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* $FreeBSD$
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*/
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#include <sys/queue.h>
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#define L2CAP_SOCKET_CHECKED
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#include <bluetooth.h>
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#include <sdp.h>
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#include <string.h>
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#include "profile.h"
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#include "provider.h"
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/*
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* Lookup profile descriptor
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*/
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profile_p
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profile_get_descriptor(uint16_t uuid)
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{
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extern profile_t audio_sink_profile_descriptor;
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extern profile_t audio_source_profile_descriptor;
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extern profile_t dun_profile_descriptor;
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extern profile_t ftrn_profile_descriptor;
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extern profile_t irmc_profile_descriptor;
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extern profile_t irmc_command_profile_descriptor;
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extern profile_t lan_profile_descriptor;
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extern profile_t opush_profile_descriptor;
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extern profile_t sp_profile_descriptor;
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extern profile_t nap_profile_descriptor;
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extern profile_t gn_profile_descriptor;
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extern profile_t panu_profile_descriptor;
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static const profile_p profiles[] = {
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&audio_sink_profile_descriptor,
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&audio_source_profile_descriptor,
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&dun_profile_descriptor,
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&ftrn_profile_descriptor,
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&irmc_profile_descriptor,
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&irmc_command_profile_descriptor,
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&lan_profile_descriptor,
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&opush_profile_descriptor,
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&sp_profile_descriptor,
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&nap_profile_descriptor,
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&gn_profile_descriptor,
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&panu_profile_descriptor
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};
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int32_t i;
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for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++)
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if (profiles[i]->uuid == uuid)
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return (profiles[i]);
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return (NULL);
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}
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/*
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* Look attribute in the profile descripror
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*/
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profile_attr_create_p
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profile_get_attr(const profile_p profile, uint16_t attr)
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{
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attr_p ad = (attr_p) profile->attrs;
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for (; ad->create != NULL; ad ++)
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if (ad->attr == attr)
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return (ad->create);
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return (NULL);
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}
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/*
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* uint32 value32 - 5 bytes
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*/
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int32_t
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common_profile_create_service_record_handle(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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if (buf + 5 > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_UINT32, buf);
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SDP_PUT32(((provider_p) data)->handle, buf);
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return (5);
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}
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/*
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* seq8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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* [ uuid16 value ]
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*/
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int32_t
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common_profile_create_service_class_id_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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int32_t len = 3 * (datalen >>= 1);
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if (len <= 0 || len > 0xff || buf + 2 + len > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(len, buf);
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for (; datalen > 0; datalen --) {
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(*((uint16_t const *)data), buf);
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data += sizeof(uint16_t);
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}
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return (2 + len);
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}
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/*
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* seq8 len8 - 2 bytes
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* seq 8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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* uint16 value16 - 3 bytes
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* [ seq 8 len8
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* uuid16 value16
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* uint16 value16 ]
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*/
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int32_t
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common_profile_create_bluetooth_profile_descriptor_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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int32_t len = 8 * (datalen >>= 2);
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if (len <= 0 || len > 0xff || buf + 2 + len > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(len, buf);
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for (; datalen > 0; datalen --) {
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(6, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(*((uint16_t const *)data), buf);
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data += sizeof(uint16_t);
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(*((uint16_t const *)data), buf);
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data += sizeof(uint16_t);
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}
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return (2 + len);
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}
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/*
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* seq8 len8 - 2 bytes
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* uint16 value16 - 3 bytes
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* uint16 value16 - 3 bytes
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* uint16 value16 - 3 bytes
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*/
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int32_t
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common_profile_create_language_base_attribute_id_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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if (buf + 11 > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(9, buf);
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/*
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* Language code per ISO 639:1988. Use "en".
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*/
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(((0x65 << 8) | 0x6e), buf);
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/*
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* Encoding. Recommended is UTF-8. ISO639 UTF-8 MIBenum is 106
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* (http://www.iana.org/assignments/character-sets)
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*/
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(106, buf);
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/*
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* Offset (Primary Language Base is 0x100)
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*/
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID, buf);
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return (11);
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}
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/*
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* Common provider name is "FreeBSD"
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*/
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int32_t
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common_profile_create_service_provider_name(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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char provider_name[] = "FreeBSD";
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return (common_profile_create_string8(buf, eob,
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(uint8_t const *) provider_name,
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strlen(provider_name)));
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}
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/*
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* str8 len8 string
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*/
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int32_t
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common_profile_create_string8(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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if (datalen == 0 || datalen > 0xff || buf + 2 + datalen > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_STR8, buf);
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SDP_PUT8(datalen, buf);
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memcpy(buf, data, datalen);
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return (2 + datalen);
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}
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/*
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* Service Availability
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*/
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int32_t
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common_profile_create_service_availability(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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if (datalen != 1 || buf + 2 > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_UINT8, buf);
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SDP_PUT8(data[0], buf);
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return (2);
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}
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/*
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* seq8 len8 - 2 bytes
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* seq8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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* seq8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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* uint8 value8 - 2 bytes
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*/
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int32_t
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rfcomm_profile_create_protocol_descriptor_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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if (datalen != 1 || buf + 14 > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(12, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(3, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(5, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf);
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SDP_PUT8(SDP_DATA_UINT8, buf);
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SDP_PUT8(*data, buf);
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return (14);
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}
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/*
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* seq8 len8 - 2 bytes
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* seq8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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* seq8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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* uint8 value8 - 2 bytes
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* seq8 len8 - 2 bytes
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* uuid16 value16 - 3 bytes
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*/
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int32_t
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obex_profile_create_protocol_descriptor_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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if (datalen != 1 || buf + 19 > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(17, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(3, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(5, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf);
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SDP_PUT8(SDP_DATA_UINT8, buf);
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SDP_PUT8(*data, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(3, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_OBEX, buf);
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return (19);
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}
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/*
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* seq8 len8
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* uint8 value8 - bytes
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* [ uint8 value 8 ]
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*/
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int32_t
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obex_profile_create_supported_formats_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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int32_t len = 2 * datalen;
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if (len <= 0 || len > 0xff || buf + 2 + len > eob)
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return (-1);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(len, buf);
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for (; datalen > 0; datalen --) {
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SDP_PUT8(SDP_DATA_UINT8, buf);
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SDP_PUT8(*data++, buf);
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}
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return (2 + len);
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}
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/*
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* do not check anything
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*/
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int32_t
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common_profile_always_valid(uint8_t const *data, uint32_t datalen)
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{
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return (1);
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}
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/*
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* verify server channel number (the first byte in the data)
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*/
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int32_t
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common_profile_server_channel_valid(uint8_t const *data, uint32_t datalen)
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{
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if (data[0] < 1 || data[0] > 30)
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return (0);
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return (1);
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}
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/*
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* verify server channel number and supported_formats_size
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* sdp_opush_profile and sdp_irmc_profile
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*/
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int32_t
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obex_profile_data_valid(uint8_t const *data, uint32_t datalen)
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{
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sdp_opush_profile_p opush = (sdp_opush_profile_p) data;
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if (opush->server_channel < 1 ||
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opush->server_channel > 30 ||
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opush->supported_formats_size == 0 ||
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opush->supported_formats_size > sizeof(opush->supported_formats))
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return (0);
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return (1);
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}
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/*
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* BNEP protocol descriptor
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*/
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int32_t
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bnep_profile_create_protocol_descriptor_list(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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/* supported protocol types */
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uint16_t ptype[] = {
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0x0800, /* IPv4 */
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0x0806, /* ARP */
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#ifdef INET6
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0x86dd, /* IPv6 */
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#endif
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};
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uint16_t i, psm, version = 0x0100,
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nptypes = sizeof(ptype)/sizeof(ptype[0]),
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nptypes_size = nptypes * 3;
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if (datalen != 2 || 18 + nptypes_size > 255 ||
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buf + 20 + nptypes_size > eob)
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return (-1);
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memcpy(&psm, data, sizeof(psm));
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(18 + nptypes_size, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(6, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(psm, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(8 + nptypes_size, buf);
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SDP_PUT8(SDP_DATA_UUID16, buf);
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SDP_PUT16(SDP_UUID_PROTOCOL_BNEP, buf);
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(version, buf);
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SDP_PUT8(SDP_DATA_SEQ8, buf);
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SDP_PUT8(nptypes_size, buf);
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for (i = 0; i < nptypes; i ++) {
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(ptype[i], buf);
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}
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return (20 + nptypes_size);
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}
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/*
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* BNEP security description
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*/
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int32_t
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bnep_profile_create_security_description(
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uint8_t *buf, uint8_t const * const eob,
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uint8_t const *data, uint32_t datalen)
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{
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uint16_t security_descr;
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if (datalen != 2 || buf + 3 > eob)
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return (-1);
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memcpy(&security_descr, data, sizeof(security_descr));
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SDP_PUT8(SDP_DATA_UINT16, buf);
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SDP_PUT16(security_descr, buf);
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return (3);
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}
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