xref: /freebsd/usr.sbin/bluetooth/sdpd/sur.c (revision 09a53ad8f1318c5daae6cfb19d97f4f6459f0013)
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 #define L2CAP_SOCKET_CHECKED
34 #include <bluetooth.h>
35 #include <errno.h>
36 #include <sdp.h>
37 #include <string.h>
38 #include "profile.h"
39 #include "provider.h"
40 #include "server.h"
41 
42 /*
43  * Prepare Service Unregister response
44  */
45 
46 int32_t
47 server_prepare_service_unregister_response(server_p srv, int32_t fd)
48 {
49 	uint8_t const	*req = srv->req + sizeof(sdp_pdu_t);
50 	uint8_t const	*req_end = req + ((sdp_pdu_p)(srv->req))->len;
51 	uint8_t		*rsp = srv->fdidx[fd].rsp;
52 
53 	provider_t	*provider = NULL;
54 	uint32_t	 handle;
55 
56 	/*
57 	 * Minimal Service Unregister Request
58 	 *
59 	 * value32	- uuid 4 bytes
60 	 */
61 
62 	if (!srv->fdidx[fd].control ||
63 	    !srv->fdidx[fd].priv || req_end - req < 4)
64 		return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
65 
66 	/* Get handle */
67 	SDP_GET32(handle, req);
68 
69 	/* Lookup provider */
70 	provider = provider_by_handle(handle);
71 	if (provider == NULL || provider->fd != fd)
72 		return (SDP_ERROR_CODE_INVALID_SERVICE_RECORD_HANDLE);
73 
74 	provider_unregister(provider);
75 	SDP_PUT16(0, rsp);
76 
77 	/* Set reply size */
78 	srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t);
79 	srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
80 	srv->fdidx[fd].rsp_cs = 0;
81 
82 	return (0);
83 }
84 
85