1 /*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the copyright holders nor the names of
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * 4. Any redistribution, use, or modification is done solely for
17 * personal benefit and not for any commercial purpose or for
18 * monetary gain.
19 *
20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * Please inquire about commercial licensing options at
34 * [email protected]
35 *
36 */
37
38 #define BTSTACK_FILE__ "pan.c"
39
40 /*
41 * pan.h
42 *
43 * Created by Milanka Ringwald on 10/16/14.
44 */
45
46 #include "pan.h"
47
48 #include <string.h>
49
50 #include "bluetooth_psm.h"
51 #include "bluetooth_sdp.h"
52 #include "btstack_config.h"
53 #include "classic/core.h"
54 #include "classic/sdp_util.h"
55 #include "l2cap.h"
56
57 static const char pan_default_panu_service_name[] = "Personal Ad-hoc User Service";
58 static const char pan_default_panu_service_desc[] = "Personal Ad-hoc User Service";
59
60 static const char pan_default_nap_service_name[] = "Network Access Point Service";
61 static const char pan_default_nap_service_desc[] = "Personal Ad-hoc Network Service which provides access to a network";
62
63 static const char pan_default_gn_service_name[] = "Group Ad-hoc Network Service";
64 static const char pan_default_gn_service_desc[] = "Personal Group Ad-hoc Network Service";
65
pan_create_service(uint8_t * service,uint32_t service_record_handle,uint32_t service_uuid,uint16_t * network_packet_types,const char * name,const char * descriptor,security_description_t security_desc,net_access_type_t net_access_type,uint32_t max_net_access_rate,const char * IPv4Subnet,const char * IPv6Subnet)66 static void pan_create_service(uint8_t *service, uint32_t service_record_handle,
67 uint32_t service_uuid, uint16_t * network_packet_types, const char *name, const char *descriptor,
68 security_description_t security_desc, net_access_type_t net_access_type, uint32_t max_net_access_rate,
69 const char *IPv4Subnet, const char *IPv6Subnet){
70
71 uint8_t* attribute;
72 de_create_sequence(service);
73
74 // 0x0000 "Service Record Handle"
75 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE);
76 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle);
77
78 // 0x0001 "Service Class ID List"
79 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST);
80 attribute = de_push_sequence(service);
81 {
82 // "UUID for PAN Service"
83 de_add_number(attribute, DE_UUID, DE_SIZE_32, service_uuid);
84 }
85 de_pop_sequence(service, attribute);
86
87 // 0x0004 "Protocol Descriptor List"
88 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST);
89 attribute = de_push_sequence(service);
90 {
91 uint8_t* l2cpProtocol = de_push_sequence(attribute);
92 {
93 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP);
94 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, BLUETOOTH_PSM_BNEP); // l2cap psm
95 }
96 de_pop_sequence(attribute, l2cpProtocol);
97
98 uint8_t* bnep = de_push_sequence(attribute);
99 {
100 de_add_number(bnep, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_BNEP);
101 de_add_number(bnep, DE_UINT, DE_SIZE_16, 0x0100); // version
102
103 uint8_t * net_packet_type_list = de_push_sequence(bnep);
104 {
105 if (network_packet_types){
106 while (*network_packet_types){
107 de_add_number(net_packet_type_list, DE_UINT, DE_SIZE_16, *network_packet_types++);
108 }
109 }
110 }
111 de_pop_sequence(bnep, net_packet_type_list);
112 }
113 de_pop_sequence(attribute, bnep);
114 }
115 de_pop_sequence(service, attribute);
116
117 // 0x0005 "Public Browse Group"
118 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST); // public browse group
119 attribute = de_push_sequence(service);
120 {
121 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT);
122 }
123 de_pop_sequence(service, attribute);
124
125 // 0x0006 "LanguageBaseAttributeIDList"
126 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST);
127 attribute = de_push_sequence(service);
128 {
129 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
130 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
131 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100); // Base for Service Name and Service Description
132 }
133 de_pop_sequence(service, attribute);
134
135 // 0x0008 "Service Availability", optional
136 // de_add_number(service, DE_UINT, DE_SIZE_16, 0x0008);
137 // de_add_number(service, DE_UINT, DE_SIZE_8, service_availability);
138
139 // 0x0009 "Bluetooth Profile Descriptor List"
140 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST);
141 attribute = de_push_sequence(service);
142 {
143 uint8_t *sppProfile = de_push_sequence(attribute);
144 {
145 de_add_number(sppProfile, DE_UUID, DE_SIZE_16, service_uuid);
146 de_add_number(sppProfile, DE_UINT, DE_SIZE_16, 0x0100); // Verision 1.0
147 }
148 de_pop_sequence(attribute, sppProfile);
149 }
150 de_pop_sequence(service, attribute);
151
152 // 0x0100 "Service Name"
153 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100);
154 if (name){
155 de_add_data(service, DE_STRING, (uint16_t) strlen(name), (uint8_t *) name);
156 } else {
157 switch (service_uuid){
158 case BLUETOOTH_SERVICE_CLASS_PANU:
159 de_add_data(service, DE_STRING, (uint16_t) strlen(pan_default_panu_service_name), (uint8_t *) pan_default_panu_service_name);
160 break;
161 case BLUETOOTH_SERVICE_CLASS_NAP:
162 de_add_data(service, DE_STRING, (uint16_t) strlen(pan_default_nap_service_name), (uint8_t *) pan_default_nap_service_name);
163 break;
164 case BLUETOOTH_SERVICE_CLASS_GN:
165 de_add_data(service, DE_STRING, (uint16_t) strlen(pan_default_gn_service_name), (uint8_t *) pan_default_gn_service_name);
166 break;
167 default:
168 break;
169 }
170 }
171
172 // 0x0101 "Service Description"
173 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0101);
174 if (descriptor){
175 de_add_data(service, DE_STRING, (uint16_t) strlen(descriptor), (uint8_t *) descriptor);
176 } else {
177 switch (service_uuid){
178 case BLUETOOTH_SERVICE_CLASS_PANU:
179 de_add_data(service, DE_STRING, (uint16_t) strlen(pan_default_panu_service_desc), (uint8_t *) pan_default_panu_service_desc);
180 break;
181 case BLUETOOTH_SERVICE_CLASS_NAP:
182 de_add_data(service, DE_STRING, (uint16_t) strlen(pan_default_nap_service_desc), (uint8_t *) pan_default_nap_service_desc);
183 break;
184 case BLUETOOTH_SERVICE_CLASS_GN:
185 de_add_data(service, DE_STRING, (uint16_t) strlen(pan_default_gn_service_desc), (uint8_t *) pan_default_gn_service_desc);
186 break;
187 default:
188 break;
189 }
190 }
191
192 // 0x030A "Security Description"
193 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030A);
194 de_add_number(service, DE_UINT, DE_SIZE_16, security_desc);
195
196 if (service_uuid == BLUETOOTH_SERVICE_CLASS_PANU) return;
197
198 if (IPv4Subnet){
199 // 0x030D "IPv4Subnet", optional
200 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030D);
201 de_add_data(service, DE_STRING, (uint16_t) strlen(IPv4Subnet), (uint8_t *) IPv4Subnet);
202 }
203
204 if (IPv6Subnet){
205 // 0x030E "IPv6Subnet", optional
206 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030E);
207 de_add_data(service, DE_STRING, (uint16_t) strlen(IPv6Subnet), (uint8_t *) IPv6Subnet);
208 }
209
210 if (service_uuid == BLUETOOTH_SERVICE_CLASS_GN) return;
211
212 // 0x030B "NetAccessType"
213 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030B);
214 de_add_number(service, DE_UINT, DE_SIZE_16, net_access_type);
215
216 // 0x030C "MaxNetAccessRate"
217 de_add_number(service, DE_UINT, DE_SIZE_16, 0x030C);
218 de_add_number(service, DE_UINT, DE_SIZE_32, max_net_access_rate);
219
220 }
221
222
pan_create_nap_sdp_record(uint8_t * service,uint32_t service_record_handle,uint16_t * network_packet_types,const char * name,const char * description,security_description_t security_desc,net_access_type_t net_access_type,uint32_t max_net_access_rate,const char * IPv4Subnet,const char * IPv6Subnet)223 void pan_create_nap_sdp_record(uint8_t *service, uint32_t service_record_handle, uint16_t * network_packet_types, const char *name, const char *description, security_description_t security_desc,
224 net_access_type_t net_access_type, uint32_t max_net_access_rate, const char *IPv4Subnet, const char *IPv6Subnet){
225
226 pan_create_service(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_NAP, network_packet_types, name, description, security_desc, net_access_type, max_net_access_rate, IPv4Subnet, IPv6Subnet);
227 }
228
pan_create_gn_sdp_record(uint8_t * service,uint32_t service_record_handle,uint16_t * network_packet_types,const char * name,const char * description,security_description_t security_desc,const char * IPv4Subnet,const char * IPv6Subnet)229 void pan_create_gn_sdp_record(uint8_t *service, uint32_t service_record_handle, uint16_t * network_packet_types, const char *name, const char *description, security_description_t security_desc,
230 const char *IPv4Subnet, const char *IPv6Subnet){
231 pan_create_service(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_GN, network_packet_types, name, description, security_desc, PAN_NET_ACCESS_TYPE_NONE, 0, IPv4Subnet, IPv6Subnet);
232 }
233
pan_create_panu_sdp_record(uint8_t * service,uint32_t service_record_handle,uint16_t * network_packet_types,const char * name,const char * description,security_description_t security_desc)234 void pan_create_panu_sdp_record(uint8_t *service, uint32_t service_record_handle, uint16_t * network_packet_types, const char *name, const char *description, security_description_t security_desc){
235 pan_create_service(service, service_record_handle, BLUETOOTH_SERVICE_CLASS_PANU, network_packet_types, name, description, security_desc, PAN_NET_ACCESS_TYPE_NONE, 0, NULL, NULL);
236 }
237