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 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 } 138 139 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 } 142 143 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