xref: /freebsd/usr.sbin/bluetooth/sdpd/sur.c (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*
2  * sur.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: sur.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 Unregister response
43  */
44 
45 int32_t
46 server_prepare_service_unregister_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 Unregister Request
57 	 *
58 	 * value32	- uuid 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 	provider_unregister(provider);
74 	SDP_PUT16(0, rsp);
75 
76 	/* Set reply size */
77 	srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t);
78 	srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
79 	srv->fdidx[fd].rsp_cs = 0;
80 
81 	return (0);
82 }
83 
84