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__ "spp_server.c"
39
40 /*
41 * spp_server.c
42 *
43 * Create SPP SDP Records
44 */
45
46 #include "spp_server.h"
47
48 #include <string.h>
49
50 #include "bluetooth.h"
51 #include "bluetooth_sdp.h"
52 #include "btstack_config.h"
53 #include "classic/core.h"
54 #include "classic/sdp_util.h"
55
56 static const char * spp_server_default_sdp_service_name = "SPP";
57
spp_create_sdp_record_internal(uint8_t * service,uint32_t service_record_handle,const uint8_t * service_uuid128,int rfcomm_channel,const char * name)58 static void spp_create_sdp_record_internal(uint8_t *service, uint32_t service_record_handle, const uint8_t * service_uuid128, int rfcomm_channel, const char *name){
59
60 uint8_t* attribute;
61 de_create_sequence(service);
62
63 // 0x0000 "Service Record Handle"
64 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE);
65 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle);
66
67 // 0x0001 "Service Class ID List"
68 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST);
69 attribute = de_push_sequence(service);
70 {
71 if (service_uuid128 == NULL){
72 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_SERIAL_PORT );
73 } else {
74 de_add_uuid128(attribute, (uint8_t *) service_uuid128);
75 }
76 }
77 de_pop_sequence(service, attribute);
78
79 // 0x0004 "Protocol Descriptor List"
80 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST);
81 attribute = de_push_sequence(service);
82 {
83 uint8_t* l2cpProtocol = de_push_sequence(attribute);
84 {
85 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP);
86 }
87 de_pop_sequence(attribute, l2cpProtocol);
88
89 uint8_t* rfcomm = de_push_sequence(attribute);
90 {
91 de_add_number(rfcomm, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_RFCOMM); // rfcomm_service
92 de_add_number(rfcomm, DE_UINT, DE_SIZE_8, rfcomm_channel); // rfcomm channel
93 }
94 de_pop_sequence(attribute, rfcomm);
95 }
96 de_pop_sequence(service, attribute);
97
98 // 0x0005 "Public Browse Group"
99 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST); // public browse group
100 attribute = de_push_sequence(service);
101 {
102 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT );
103 }
104 de_pop_sequence(service, attribute);
105
106 // 0x0006
107 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST);
108 attribute = de_push_sequence(service);
109 {
110 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
111 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
112 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100);
113 }
114 de_pop_sequence(service, attribute);
115
116 // 0x0009 "Bluetooth Profile Descriptor List"
117 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST);
118 attribute = de_push_sequence(service);
119 {
120 uint8_t *sppProfile = de_push_sequence(attribute);
121 {
122 de_add_number(sppProfile, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_SERIAL_PORT);
123 de_add_number(sppProfile, DE_UINT, DE_SIZE_16, 0x0102);
124 }
125 de_pop_sequence(attribute, sppProfile);
126 }
127 de_pop_sequence(service, attribute);
128
129 // 0x0100 "ServiceName"
130 if (name == NULL){
131 name = spp_server_default_sdp_service_name;
132 }
133 if (strlen(name) > 0){
134 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100);
135 de_add_data(service, DE_STRING, (uint16_t) strlen(name), (uint8_t *) name);
136 }
137 }
138
spp_create_sdp_record(uint8_t * service,uint32_t service_record_handle,int rfcomm_channel,const char * name)139 void spp_create_sdp_record(uint8_t *service, uint32_t service_record_handle, int rfcomm_channel, const char *name){
140 spp_create_sdp_record_internal(service, service_record_handle, NULL, rfcomm_channel, name);
141 }
142
spp_create_custom_sdp_record(uint8_t * service,uint32_t service_record_handle,const uint8_t * service_uuid128,int rfcomm_channel,const char * name)143 void spp_create_custom_sdp_record(uint8_t *service, uint32_t service_record_handle, const uint8_t * service_uuid128, int rfcomm_channel, const char *name){
144 spp_create_sdp_record_internal(service, service_record_handle, service_uuid128, rfcomm_channel, name);
145 }
146