1 /*
2 * sd.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: sd.c,v 1.4 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 <sdp.h>
36 #include <string.h>
37 #include "profile.h"
38 #include "provider.h"
39
40 static int32_t
sd_profile_create_service_class_id_list(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)41 sd_profile_create_service_class_id_list(
42 uint8_t *buf, uint8_t const * const eob,
43 uint8_t const *data, uint32_t datalen)
44 {
45 static uint16_t service_classes[] = {
46 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER
47 };
48
49 return (common_profile_create_service_class_id_list(
50 buf, eob,
51 (uint8_t const *) service_classes,
52 sizeof(service_classes)));
53 }
54
55 static int32_t
sd_profile_create_bluetooth_profile_descriptor_list(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)56 sd_profile_create_bluetooth_profile_descriptor_list(
57 uint8_t *buf, uint8_t const * const eob,
58 uint8_t const *data, uint32_t datalen)
59 {
60 static uint16_t profile_descriptor_list[] = {
61 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER,
62 0x0100
63 };
64
65 return (common_profile_create_bluetooth_profile_descriptor_list(
66 buf, eob,
67 (uint8_t const *) profile_descriptor_list,
68 sizeof(profile_descriptor_list)));
69 }
70
71 static int32_t
sd_profile_create_service_id(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)72 sd_profile_create_service_id(
73 uint8_t *buf, uint8_t const * const eob,
74 uint8_t const *data, uint32_t datalen)
75 {
76 if (buf + 3 > eob)
77 return (-1);
78
79 /*
80 * The ServiceID is a UUID that universally and uniquely identifies
81 * the service instance described by the service record. This service
82 * attribute is particularly useful if the same service is described
83 * by service records in more than one SDP server
84 */
85
86 SDP_PUT8(SDP_DATA_UUID16, buf);
87 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */
88
89 return (3);
90 }
91
92 static int32_t
sd_profile_create_service_name(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)93 sd_profile_create_service_name(
94 uint8_t *buf, uint8_t const * const eob,
95 uint8_t const *data, uint32_t datalen)
96 {
97 static char service_name[] = "Bluetooth service discovery";
98
99 return (common_profile_create_string8(
100 buf, eob,
101 (uint8_t const *) service_name, strlen(service_name)));
102 }
103
104 static int32_t
sd_profile_create_protocol_descriptor_list(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)105 sd_profile_create_protocol_descriptor_list(
106 uint8_t *buf, uint8_t const * const eob,
107 uint8_t const *data, uint32_t datalen)
108 {
109 if (buf + 12 > eob)
110 return (-1);
111
112 SDP_PUT8(SDP_DATA_SEQ8, buf);
113 SDP_PUT8(10, buf);
114
115 SDP_PUT8(SDP_DATA_SEQ8, buf);
116 SDP_PUT8(3, buf);
117 SDP_PUT8(SDP_DATA_UUID16, buf);
118 SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf);
119
120 SDP_PUT8(SDP_DATA_SEQ8, buf);
121 SDP_PUT8(3, buf);
122 SDP_PUT8(SDP_DATA_UUID16, buf);
123 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf);
124
125 return (12);
126 }
127
128 static int32_t
sd_profile_create_browse_group_list(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)129 sd_profile_create_browse_group_list(
130 uint8_t *buf, uint8_t const * const eob,
131 uint8_t const *data, uint32_t datalen)
132 {
133 if (buf + 5 > eob)
134 return (-1);
135
136 SDP_PUT8(SDP_DATA_SEQ8, buf);
137 SDP_PUT8(3, buf);
138
139 /*
140 * The top-level browse group ID, called PublicBrowseRoot and
141 * representing the root of the browsing hierarchy, has the value
142 * 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the
143 * Bluetooth Assigned Numbers document
144 */
145
146 SDP_PUT8(SDP_DATA_UUID16, buf);
147 SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf);
148
149 return (5);
150 }
151
152 static int32_t
sd_profile_create_version_number_list(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)153 sd_profile_create_version_number_list(
154 uint8_t *buf, uint8_t const * const eob,
155 uint8_t const *data, uint32_t datalen)
156 {
157 if (buf + 5 > eob)
158 return (-1);
159
160 SDP_PUT8(SDP_DATA_SEQ8, buf);
161 SDP_PUT8(3, buf);
162
163 /*
164 * The VersionNumberList is a data element sequence in which each
165 * element of the sequence is a version number supported by the SDP
166 * server. A version number is a 16-bit unsigned integer consisting
167 * of two fields. The higher-order 8 bits contain the major version
168 * number field and the low-order 8 bits contain the minor version
169 * number field. The initial version of SDP has a major version of
170 * 1 and a minor version of 0
171 */
172
173 SDP_PUT8(SDP_DATA_UINT16, buf);
174 SDP_PUT16(0x0100, buf);
175
176 return (5);
177 }
178
179 static int32_t
sd_profile_create_service_database_state(uint8_t * buf,uint8_t const * const eob,uint8_t const * data,uint32_t datalen)180 sd_profile_create_service_database_state(
181 uint8_t *buf, uint8_t const * const eob,
182 uint8_t const *data, uint32_t datalen)
183 {
184 uint32_t change_state = provider_get_change_state();
185
186 if (buf + 5 > eob)
187 return (-1);
188
189 SDP_PUT8(SDP_DATA_UINT32, buf);
190 SDP_PUT32(change_state, buf);
191
192 return (5);
193 }
194
195 static attr_t sd_profile_attrs[] = {
196 { SDP_ATTR_SERVICE_RECORD_HANDLE,
197 common_profile_create_service_record_handle },
198 { SDP_ATTR_SERVICE_CLASS_ID_LIST,
199 sd_profile_create_service_class_id_list },
200 { SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST,
201 sd_profile_create_bluetooth_profile_descriptor_list },
202 { SDP_ATTR_SERVICE_ID,
203 sd_profile_create_service_id },
204 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST,
205 common_profile_create_language_base_attribute_id_list },
206 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET,
207 sd_profile_create_service_name },
208 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET,
209 sd_profile_create_service_name },
210 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET,
211 common_profile_create_service_provider_name },
212 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
213 sd_profile_create_protocol_descriptor_list },
214 { SDP_ATTR_BROWSE_GROUP_LIST,
215 sd_profile_create_browse_group_list },
216 { SDP_ATTR_VERSION_NUMBER_LIST,
217 sd_profile_create_version_number_list },
218 { SDP_ATTR_SERVICE_DATABASE_STATE,
219 sd_profile_create_service_database_state },
220 { 0, NULL } /* end entry */
221 };
222
223 profile_t sd_profile_descriptor = {
224 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER,
225 0,
226 (profile_data_valid_p) NULL,
227 (attr_t const * const) &sd_profile_attrs
228 };
229
230