xref: /btstack/src/classic/spp_server.c (revision bc37f7b0d0a3eaa5763a873c5730bc14b849aaa0)
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 /*
39  *  spp_server.c
40  *
41  * Create SPP SDP Records
42  */
43 
44 #include "spp_server.h"
45 
46 #include <string.h>
47 
48 #include "bluetooth.h"
49 #include "btstack_config.h"
50 #include "classic/core.h"
51 #include "classic/sdp_util.h"
52 
53 void spp_create_sdp_record(uint8_t *service, uint32_t service_record_handle, int rfcomm_channel, const char *name){
54 
55 	uint8_t* attribute;
56 	de_create_sequence(service);
57 
58     // 0x0000 "Service Record Handle"
59 	de_add_number(service, DE_UINT, DE_SIZE_16, SDP_ServiceRecordHandle);
60 	de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle);
61 
62 	// 0x0001 "Service Class ID List"
63 	de_add_number(service,  DE_UINT, DE_SIZE_16, SDP_ServiceClassIDList);
64 	attribute = de_push_sequence(service);
65 	{
66 		de_add_number(attribute,  DE_UUID, DE_SIZE_16, 0x1101 );
67 	}
68 	de_pop_sequence(service, attribute);
69 
70 	// 0x0004 "Protocol Descriptor List"
71 	de_add_number(service,  DE_UINT, DE_SIZE_16, SDP_ProtocolDescriptorList);
72 	attribute = de_push_sequence(service);
73 	{
74 		uint8_t* l2cpProtocol = de_push_sequence(attribute);
75 		{
76 			de_add_number(l2cpProtocol,  DE_UUID, DE_SIZE_16, SDP_L2CAPProtocol);
77 		}
78 		de_pop_sequence(attribute, l2cpProtocol);
79 
80 		uint8_t* rfcomm = de_push_sequence(attribute);
81 		{
82 			de_add_number(rfcomm,  DE_UUID, DE_SIZE_16, SDP_RFCOMMProtocol);  // rfcomm_service
83 			de_add_number(rfcomm,  DE_UINT, DE_SIZE_8,  rfcomm_channel);  // rfcomm channel
84 		}
85 		de_pop_sequence(attribute, rfcomm);
86 	}
87 	de_pop_sequence(service, attribute);
88 
89 	// 0x0005 "Public Browse Group"
90 	de_add_number(service,  DE_UINT, DE_SIZE_16, SDP_BrowseGroupList); // public browse group
91 	attribute = de_push_sequence(service);
92 	{
93 		de_add_number(attribute,  DE_UUID, DE_SIZE_16, 0x1002 );
94 	}
95 	de_pop_sequence(service, attribute);
96 
97 	// 0x0006
98 	de_add_number(service,  DE_UINT, DE_SIZE_16, SDP_LanguageBaseAttributeIDList);
99 	attribute = de_push_sequence(service);
100 	{
101 		de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e);
102 		de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a);
103 		de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100);
104 	}
105 	de_pop_sequence(service, attribute);
106 
107 	// 0x0009 "Bluetooth Profile Descriptor List"
108 	de_add_number(service,  DE_UINT, DE_SIZE_16, SDP_BluetoothProfileDescriptorList);
109 	attribute = de_push_sequence(service);
110 	{
111 		uint8_t *sppProfile = de_push_sequence(attribute);
112 		{
113 			de_add_number(sppProfile,  DE_UUID, DE_SIZE_16, 0x1101);
114 			de_add_number(sppProfile,  DE_UINT, DE_SIZE_16, 0x0102);
115 		}
116 		de_pop_sequence(attribute, sppProfile);
117 	}
118 	de_pop_sequence(service, attribute);
119 
120 	// 0x0100 "ServiceName"
121 	de_add_number(service,  DE_UINT, DE_SIZE_16, 0x0100);
122 	de_add_data(service,  DE_STRING, strlen(name), (uint8_t *) name);
123 }