1 /* $NetBSD: sdp.c,v 1.2 2008/12/06 20:01:14 plunky Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause
6 * Copyright (c) 2008 Iain Hibbert
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: sdp.c,v 1.2 2008/12/06 20:01:14 plunky Exp $");
36 #define L2CAP_SOCKET_CHECKED
40 * SDP data stream manipulation routines
43 /* Bluetooth Base UUID */
44 static const uuid_t BASE_UUID = {
50 { 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb }
54 * _sdp_match_uuid16(ptr, limit, uuid)
56 * examine SDP data stream at ptr for a UUID, and return
57 * true if it matches the supplied short alias bluetooth UUID.
58 * limit is the first address past the end of valid data.
61 _sdp_match_uuid16(uint8_t **ptr, uint8_t *limit, uint16_t uuid)
66 memcpy(&u1, &BASE_UUID, sizeof(uuid_t));
69 if (!_sdp_get_uuid(&p, limit, &u2)
70 || !uuid_equal(&u1, &u2, NULL))
78 * _sdp_get_uuid(ptr, limit, uuid)
80 * examine SDP data stream at ptr for a UUID, and extract
81 * to given storage, advancing ptr.
82 * limit is the first address past the end of valid data.
85 _sdp_get_uuid(uint8_t **ptr, uint8_t *limit, uuid_t *uuid)
97 memcpy(uuid, &BASE_UUID, sizeof(uuid_t));
98 uuid->time_low = be16dec(p);
102 case SDP_DATA_UUID32:
106 memcpy(uuid, &BASE_UUID, sizeof(uuid_t));
107 uuid->time_low = be32dec(p);
111 case SDP_DATA_UUID128:
115 uuid_dec_be(p, uuid);
128 * _sdp_get_seq(ptr, limit, seq)
130 * examine SDP data stream at ptr for a sequence. return
131 * seq pointer if found and advance ptr to next object.
132 * limit is the first address past the end of valid data.
135 _sdp_get_seq(uint8_t **ptr, uint8_t *limit, uint8_t **seq)
180 * _sdp_get_uint16(ptr, limit, value)
182 * examine SDP data stream at ptr for a uint16_t, and
183 * extract to given storage, advancing ptr.
184 * limit is the first address past the end of valid data.
187 _sdp_get_uint16(uint8_t **ptr, uint8_t *limit, uint16_t *value)
196 case SDP_DATA_UINT16: