1/*-
2 * scr.c
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 *
6 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $Id: scr.c,v 1.1 2004/01/13 01:54:39 max Exp $
31 */
32
33#include <sys/queue.h>
34#define L2CAP_SOCKET_CHECKED
35#include <bluetooth.h>
36#include <errno.h>
37#include <sdp.h>
38#include <string.h>
39#include "profile.h"
40#include "provider.h"
41#include "server.h"
42
43/*
44 * Prepare Service Change response
45 */
46
47int32_t
48server_prepare_service_change_response(server_p srv, int32_t fd)
49{
50	uint8_t const	*req = srv->req + sizeof(sdp_pdu_t);
51	uint8_t const	*req_end = req + ((sdp_pdu_p)(srv->req))->len;
52	uint8_t		*rsp = srv->fdidx[fd].rsp;
53
54	provider_t	*provider = NULL;
55	uint32_t	 handle;
56
57	/*
58	 * Minimal Service Change Request
59	 *
60	 * value32	- handle 4 bytes
61	 */
62
63	if (!srv->fdidx[fd].control ||
64	    !srv->fdidx[fd].priv || req_end - req < 4)
65		return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
66
67	/* Get handle */
68	SDP_GET32(handle, req);
69
70	/* Lookup provider */
71	provider = provider_by_handle(handle);
72	if (provider == NULL || provider->fd != fd)
73		return (SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE);
74
75	/* Validate user data */
76	if (req_end - req < provider->profile->dsize ||
77	    provider->profile->valid == NULL ||
78	    (provider->profile->valid)(req, req_end - req) == 0)
79		return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
80
81	/* Update provider */
82	if (provider_update(provider, req, req_end - req) < 0)
83		return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES);
84
85	SDP_PUT16(0, rsp);
86
87	/* Set reply size */
88	srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t);
89	srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
90	srv->fdidx[fd].rsp_cs = 0;
91
92	return (0);
93}
94
95