1/*
2 * scr.c
3 *
4 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $Id: scr.c,v 1.1 2004/01/13 01:54:39 max Exp $
29 * $FreeBSD$
30 */
31
32#include <sys/queue.h>
33#include <bluetooth.h>
34#include <errno.h>
35#include <sdp.h>
36#include <string.h>
37#include "profile.h"
38#include "provider.h"
39#include "server.h"
40
41/*
42 * Prepare Service Change response
43 */
44
45int32_t
46server_prepare_service_change_response(server_p srv, int32_t fd)
47{
48	uint8_t const	*req = srv->req + sizeof(sdp_pdu_t);
49	uint8_t const	*req_end = req + ((sdp_pdu_p)(srv->req))->len;
50	uint8_t		*rsp = srv->fdidx[fd].rsp;
51
52	provider_t	*provider = NULL;
53	uint32_t	 handle;
54
55	/*
56	 * Minimal Service Change Request
57	 *
58	 * value32	- handle 4 bytes
59	 */
60
61	if (!srv->fdidx[fd].control ||
62	    !srv->fdidx[fd].priv || req_end - req < 4)
63		return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
64
65	/* Get handle */
66	SDP_GET32(handle, req);
67
68	/* Lookup provider */
69	provider = provider_by_handle(handle);
70	if (provider == NULL || provider->fd != fd)
71		return (SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE);
72
73	/* Validate user data */
74	if (req_end - req < provider->profile->dsize ||
75	    provider->profile->valid == NULL ||
76	    (provider->profile->valid)(req, req_end - req) == 0)
77		return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
78
79	/* Update provider */
80	if (provider_update(provider, req, req_end - req) < 0)
81		return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES);
82
83	SDP_PUT16(0, rsp);
84
85	/* Set reply size */
86	srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t);
87	srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
88	srv->fdidx[fd].rsp_cs = 0;
89
90	return (0);
91}
92
93