xref: /freebsd/usr.sbin/bluetooth/sdpd/nap.c (revision cddbc3b40812213ff00041f79174cac0be360a2a)
1 /*
2  * nap.c
3  */
4 
5 /*-
6  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7  *
8  * Copyright (c) 2008 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $Id: nap.c,v 1.1 2008/03/11 00:02:42 max Exp $
33  * $FreeBSD$
34  */
35 
36 #include <sys/queue.h>
37 #define L2CAP_SOCKET_CHECKED
38 #include <bluetooth.h>
39 #include <sdp.h>
40 #include <string.h>
41 #include "profile.h"
42 #include "provider.h"
43 
44 static int32_t
45 nap_profile_create_service_class_id_list(
46 		uint8_t *buf, uint8_t const * const eob,
47 		uint8_t const *data, uint32_t datalen)
48 {
49 	static uint16_t	service_classes[] = {
50 		SDP_SERVICE_CLASS_NAP
51 	};
52 
53 	return (common_profile_create_service_class_id_list(
54 			buf, eob,
55 			(uint8_t const *) service_classes,
56 			sizeof(service_classes)));
57 }
58 
59 static int32_t
60 nap_profile_create_bluetooth_profile_descriptor_list(
61 		uint8_t *buf, uint8_t const * const eob,
62 		uint8_t const *data, uint32_t datalen)
63 {
64 	static uint16_t	profile_descriptor_list[] = {
65 		SDP_SERVICE_CLASS_NAP,
66 		0x0100
67 	};
68 
69 	return (common_profile_create_bluetooth_profile_descriptor_list(
70 			buf, eob,
71 			(uint8_t const *) profile_descriptor_list,
72 			sizeof(profile_descriptor_list)));
73 }
74 
75 static int32_t
76 nap_profile_create_service_name(
77 		uint8_t *buf, uint8_t const * const eob,
78 		uint8_t const *data, uint32_t datalen)
79 {
80 	static char	service_name[] = "Network Access Point";
81 
82 	return (common_profile_create_string8(
83 			buf, eob,
84 			(uint8_t const *) service_name, strlen(service_name)));
85 }
86 
87 static int32_t
88 nap_profile_create_service_description(
89 		uint8_t *buf, uint8_t const * const eob,
90 		uint8_t const *data, uint32_t datalen)
91 {
92 	static char	service_descr[] = "Personal Ad-hoc Network Service";
93 
94 	return (common_profile_create_string8(
95 			buf, eob,
96 			(uint8_t const *) service_descr,
97 			strlen(service_descr)));
98 }
99 
100 static int32_t
101 nap_profile_create_protocol_descriptor_list(
102 		uint8_t *buf, uint8_t const * const eob,
103 		uint8_t const *data, uint32_t datalen)
104 {
105 	provider_p		provider = (provider_p) data;
106 	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data;
107 
108 	return (bnep_profile_create_protocol_descriptor_list(
109 			buf, eob, (uint8_t const *) &nap->psm,
110 			sizeof(nap->psm)));
111 }
112 
113 static int32_t
114 nap_profile_create_security_description(
115 		uint8_t *buf, uint8_t const * const eob,
116 		uint8_t const *data, uint32_t datalen)
117 {
118 	provider_p		provider = (provider_p) data;
119 	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data;
120 
121 	return (bnep_profile_create_security_description(buf, eob,
122 			(uint8_t const *) &nap->security_description,
123 			sizeof(nap->security_description)));
124 }
125 
126 static int32_t
127 nap_profile_create_net_access_type(
128 		uint8_t *buf, uint8_t const * const eob,
129 		uint8_t const *data, uint32_t datalen)
130 {
131 	provider_p		provider = (provider_p) data;
132 	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data;
133 
134 	if (buf + 3 > eob)
135 		return (-1);
136 
137 	SDP_PUT8(SDP_DATA_UINT16, buf);
138 	SDP_PUT16(nap->net_access_type, buf);
139 
140 	return (3);
141 }
142 
143 static int32_t
144 nap_profile_create_max_net_access_rate(
145 		uint8_t *buf, uint8_t const * const eob,
146 		uint8_t const *data, uint32_t datalen)
147 {
148 	provider_p		provider = (provider_p) data;
149 	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data;
150 
151 	if (buf + 3 > eob)
152 		return (-1);
153 
154 	SDP_PUT8(SDP_DATA_UINT16, buf);
155 	SDP_PUT16(nap->max_net_access_rate, buf);
156 
157 	return (3);
158 }
159 
160 static int32_t
161 nap_profile_create_service_availability(
162 		uint8_t *buf, uint8_t const * const eob,
163 		uint8_t const *data, uint32_t datalen)
164 {
165 	provider_p		provider = (provider_p) data;
166 	sdp_nap_profile_p	nap = (sdp_nap_profile_p) provider->data;
167 
168 	return (common_profile_create_service_availability(buf, eob,
169 			&nap->load_factor, 1));
170 }
171 
172 static int32_t
173 nap_profile_data_valid(uint8_t const *data, uint32_t datalen)
174 {
175 	sdp_nap_profile_p	nap = (sdp_nap_profile_p) data;
176 
177 	return ((nap->psm == 0)? 0 : 1);
178 }
179 
180 static attr_t	nap_profile_attrs[] = {
181 	{ SDP_ATTR_SERVICE_RECORD_HANDLE,
182 	  common_profile_create_service_record_handle },
183 	{ SDP_ATTR_SERVICE_CLASS_ID_LIST,
184 	  nap_profile_create_service_class_id_list },
185 	{ SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
186 	  nap_profile_create_protocol_descriptor_list },
187 	{ SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST,
188 	  common_profile_create_language_base_attribute_id_list },
189 	{ SDP_ATTR_SERVICE_AVAILABILITY,
190 	  nap_profile_create_service_availability },
191 	{ SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST,
192 	  nap_profile_create_bluetooth_profile_descriptor_list },
193 	{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET,
194 	  nap_profile_create_service_name },
195 	{ SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET,
196 	  nap_profile_create_service_description },
197 	{ SDP_ATTR_SECURITY_DESCRIPTION,
198 	  nap_profile_create_security_description },
199 	{ SDP_ATTR_NET_ACCESS_TYPE,
200 	  nap_profile_create_net_access_type },
201 	{ SDP_ATTR_MAX_NET_ACCESS_RATE,
202 	  nap_profile_create_max_net_access_rate },
203 	{ 0, NULL } /* end entry */
204 };
205 
206 profile_t	nap_profile_descriptor = {
207 	SDP_SERVICE_CLASS_NAP,
208 	sizeof(sdp_nap_profile_t),
209 	nap_profile_data_valid,
210 	(attr_t const * const) &nap_profile_attrs
211 };
212 
213