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 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){ 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 if (service_uuid128 == NULL){ 70 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_SERIAL_PORT ); 71 } else { 72 de_add_uuid128(attribute, (uint8_t *) service_uuid128); 73 } 74 } 75 de_pop_sequence(service, attribute); 76 77 // 0x0004 "Protocol Descriptor List" 78 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST); 79 attribute = de_push_sequence(service); 80 { 81 uint8_t* l2cpProtocol = de_push_sequence(attribute); 82 { 83 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP); 84 } 85 de_pop_sequence(attribute, l2cpProtocol); 86 87 uint8_t* rfcomm = de_push_sequence(attribute); 88 { 89 de_add_number(rfcomm, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_RFCOMM); // rfcomm_service 90 de_add_number(rfcomm, DE_UINT, DE_SIZE_8, rfcomm_channel); // rfcomm channel 91 } 92 de_pop_sequence(attribute, rfcomm); 93 } 94 de_pop_sequence(service, attribute); 95 96 // 0x0005 "Public Browse Group" 97 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST); // public browse group 98 attribute = de_push_sequence(service); 99 { 100 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT ); 101 } 102 de_pop_sequence(service, attribute); 103 104 // 0x0006 105 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST); 106 attribute = de_push_sequence(service); 107 { 108 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e); 109 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a); 110 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100); 111 } 112 de_pop_sequence(service, attribute); 113 114 // 0x0009 "Bluetooth Profile Descriptor List" 115 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST); 116 attribute = de_push_sequence(service); 117 { 118 uint8_t *sppProfile = de_push_sequence(attribute); 119 { 120 de_add_number(sppProfile, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_SERIAL_PORT); 121 de_add_number(sppProfile, DE_UINT, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_LAN_ACCESS_USING_PPP); 122 } 123 de_pop_sequence(attribute, sppProfile); 124 } 125 de_pop_sequence(service, attribute); 126 127 // 0x0100 "ServiceName" 128 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100); 129 de_add_data(service, DE_STRING, (uint16_t) strlen(name), (uint8_t *) name); 130 } 131 132 void spp_create_sdp_record(uint8_t *service, uint32_t service_record_handle, int rfcomm_channel, const char *name){ 133 spp_create_sdp_record_internal(service, service_record_handle, NULL, rfcomm_channel, name); 134 } 135 136 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){ 137 spp_create_sdp_record_internal(service, service_record_handle, service_uuid128, rfcomm_channel, name); 138 } 139