1 /* $NetBSD: ssar.c,v 1.2 2007/11/09 20:08:41 plunky Exp $ */
2 /* $DragonFly: src/usr.sbin/sdpd/ssar.c,v 1.1 2008/01/06 21:51:30 hasso Exp $ */
7 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * $Id: ssar.c,v 1.2 2007/11/30 07:39:37 griffin Exp $
32 * $FreeBSD: src/usr.sbin/bluetooth/sdpd/ssar.c,v 1.2 2005/01/05 18:37:37 emax Exp $
35 #include <sys/queue.h>
36 #include <bluetooth.h>
42 #include "uuid-private.h"
45 * Prepare SDP Service Search Attribute Response
49 server_prepare_service_search_attribute_response(server_p srv, int32_t fd)
51 uint8_t const *req = srv->req + sizeof(sdp_pdu_t);
52 uint8_t const *req_end = req + ((sdp_pdu_p)(srv->req))->len;
53 uint8_t *rsp = srv->fdidx[fd].rsp;
54 uint8_t const *rsp_end = rsp + L2CAP_MTU_MAXIMUM;
56 uint8_t const *aidptr = NULL;
58 provider_t *provider = NULL;
59 int32_t type, rsp_limit, ucount, aidlen, cslen, cs;
63 * Minimal Service Search Attribute Request request
66 * uuid16 value16 - 3 bytes ServiceSearchPattern
67 * value16 - 2 bytes MaximumAttributeByteCount
69 * uint16 value16 - 3 bytes AttributeIDList
70 * value8 - 1 byte ContinuationState
73 /* Get ServiceSearchPattern */
74 ucount = server_get_service_search_pattern(&req, req_end, ulist);
75 if (ucount < 1 || ucount > 12)
76 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
78 /* Get MaximumAttributeByteCount */
79 if (req + 2 > req_end)
80 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
82 SDP_GET16(rsp_limit, req);
84 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
86 /* Get size of AttributeIDList */
87 if (req + 1 > req_end)
88 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
94 if (req + 1 > req_end)
95 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
97 SDP_GET8(aidlen, req);
101 if (req + 2 > req_end)
102 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
104 SDP_GET16(aidlen, req);
108 if (req + 4 > req_end)
109 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
111 SDP_GET32(aidlen, req);
115 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
120 /* Get ContinuationState */
121 if (req + 1 > req_end)
122 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
124 SDP_GET8(cslen, req);
125 if (cslen == 2 && req + 2 == req_end)
127 else if (cslen == 0 && req == req_end)
130 return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
132 /* Process the request. First, check continuation state */
133 if (srv->fdidx[fd].rsp_cs != cs)
134 return (SDP_ERROR_CODE_INVALID_CONTINUATION_STATE);
135 if (srv->fdidx[fd].rsp_size > 0)
139 * Service Search Attribute Response format
141 * value16 - 2 bytes AttributeListByteCount (not incl.)
142 * seq8 len16 - 3 bytes
143 * attr list - 3+ bytes AttributeLists
147 rsp += 3; /* leave space for sequence header */
149 for (provider = provider_get_first();
151 provider = provider_get_next(provider)) {
152 if (!provider_match_bdaddr(provider, &srv->req_sa.bt_bdaddr))
155 if (!provider_match_uuid(provider, ulist, ucount))
158 cs = server_prepare_attr_list(provider,
159 aidptr, aidptr + aidlen, rsp, rsp_end);
161 return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES);
166 /* Set reply size (not counting PDU header and continuation state) */
167 srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t) - 2;
168 if (srv->fdidx[fd].rsp_limit > rsp_limit)
169 srv->fdidx[fd].rsp_limit = rsp_limit;
171 srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
172 srv->fdidx[fd].rsp_cs = 0;
174 /* Fix AttributeLists sequence header */
175 rsp = srv->fdidx[fd].rsp;
176 SDP_PUT8(SDP_DATA_SEQ16, rsp);
177 SDP_PUT16(srv->fdidx[fd].rsp_size - 3, rsp);