xref: /btstack/src/classic/spp_server.c (revision 360243be41f47158adff357b9fead2686419a2df)
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 MATTHIAS
24  * RINGWALD 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 void spp_create_sdp_record(uint8_t *service, uint32_t service_record_handle, int rfcomm_channel, const char *name){
57 
58 	uint8_t* attribute;
59 	de_create_sequence(service);
60 
61     // 0x0000 "Service Record Handle"
62 	de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE);
63 	de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle);
64 
65 	// 0x0001 "Service Class ID List"
66 	de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST);
67 	attribute = de_push_sequence(service);
68 	{
69 		de_add_number(attribute,  DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_SERIAL_PORT );
70 	}
71 	de_pop_sequence(service, attribute);
72 
73 	// 0x0004 "Protocol Descriptor List"
74 	de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST);
75 	attribute = de_push_sequence(service);
76 	{
77 		uint8_t* l2cpProtocol = de_push_sequence(attribute);
78 		{
79 			de_add_number(l2cpProtocol,  DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP);
80 		}
81 		de_pop_sequence(attribute, l2cpProtocol);
82 
83 		uint8_t* rfcomm = de_push_sequence(attribute);
84 		{
85 			de_add_number(rfcomm,  DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_RFCOMM);  // rfcomm_service
86 			de_add_number(rfcomm,  DE_UINT, DE_SIZE_8,  rfcomm_channel);  // rfcomm channel
87 		}
88 		de_pop_sequence(attribute, rfcomm);
89 	}
90 	de_pop_sequence(service, attribute);
91 
92 	// 0x0005 "Public Browse Group"
93 	de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST); // public browse group
94 	attribute = de_push_sequence(service);
95 	{
96 		de_add_number(attribute,  DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT );
97 	}
98 	de_pop_sequence(service, attribute);
99 
100 	// 0x0006
101 	de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST);
102 	attribute = de_push_sequence(service);
103 	{
104 		de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
105 		de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
106 		de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100);
107 	}
108 	de_pop_sequence(service, attribute);
109 
110 	// 0x0009 "Bluetooth Profile Descriptor List"
111 	de_add_number(service,  DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST);
112 	attribute = de_push_sequence(service);
113 	{
114 		uint8_t *sppProfile = de_push_sequence(attribute);
115 		{
116 			de_add_number(sppProfile,  DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_SERIAL_PORT);
117 			de_add_number(sppProfile,  DE_UINT, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_LAN_ACCESS_USING_PPP);
118 		}
119 		de_pop_sequence(attribute, sppProfile);
120 	}
121 	de_pop_sequence(service, attribute);
122 
123 	// 0x0100 "ServiceName"
124 	de_add_number(service,  DE_UINT, DE_SIZE_16, 0x0100);
125 	de_add_data(service,  DE_STRING, strlen(name), (uint8_t *) name);
126 }