1/*- 2 * sd.c 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $Id: sd.c,v 1.4 2004/01/13 01:54:39 max Exp $ 31 */ 32 33#include <sys/queue.h> 34#define L2CAP_SOCKET_CHECKED 35#include <bluetooth.h> 36#include <sdp.h> 37#include <string.h> 38#include "profile.h" 39#include "provider.h" 40 41static int32_t 42sd_profile_create_service_class_id_list( 43 uint8_t *buf, uint8_t const * const eob, 44 uint8_t const *data, uint32_t datalen) 45{ 46 static uint16_t service_classes[] = { 47 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER 48 }; 49 50 return (common_profile_create_service_class_id_list( 51 buf, eob, 52 (uint8_t const *) service_classes, 53 sizeof(service_classes))); 54} 55 56static int32_t 57sd_profile_create_bluetooth_profile_descriptor_list( 58 uint8_t *buf, uint8_t const * const eob, 59 uint8_t const *data, uint32_t datalen) 60{ 61 static uint16_t profile_descriptor_list[] = { 62 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 63 0x0100 64 }; 65 66 return (common_profile_create_bluetooth_profile_descriptor_list( 67 buf, eob, 68 (uint8_t const *) profile_descriptor_list, 69 sizeof(profile_descriptor_list))); 70} 71 72static int32_t 73sd_profile_create_service_id( 74 uint8_t *buf, uint8_t const * const eob, 75 uint8_t const *data, uint32_t datalen) 76{ 77 if (buf + 3 > eob) 78 return (-1); 79 80 /* 81 * The ServiceID is a UUID that universally and uniquely identifies 82 * the service instance described by the service record. This service 83 * attribute is particularly useful if the same service is described 84 * by service records in more than one SDP server 85 */ 86 87 SDP_PUT8(SDP_DATA_UUID16, buf); 88 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */ 89 90 return (3); 91} 92 93static int32_t 94sd_profile_create_service_name( 95 uint8_t *buf, uint8_t const * const eob, 96 uint8_t const *data, uint32_t datalen) 97{ 98 static char service_name[] = "Bluetooth service discovery"; 99 100 return (common_profile_create_string8( 101 buf, eob, 102 (uint8_t const *) service_name, strlen(service_name))); 103} 104 105static int32_t 106sd_profile_create_protocol_descriptor_list( 107 uint8_t *buf, uint8_t const * const eob, 108 uint8_t const *data, uint32_t datalen) 109{ 110 if (buf + 12 > eob) 111 return (-1); 112 113 SDP_PUT8(SDP_DATA_SEQ8, buf); 114 SDP_PUT8(10, buf); 115 116 SDP_PUT8(SDP_DATA_SEQ8, buf); 117 SDP_PUT8(3, buf); 118 SDP_PUT8(SDP_DATA_UUID16, buf); 119 SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); 120 121 SDP_PUT8(SDP_DATA_SEQ8, buf); 122 SDP_PUT8(3, buf); 123 SDP_PUT8(SDP_DATA_UUID16, buf); 124 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); 125 126 return (12); 127} 128 129static int32_t 130sd_profile_create_browse_group_list( 131 uint8_t *buf, uint8_t const * const eob, 132 uint8_t const *data, uint32_t datalen) 133{ 134 if (buf + 5 > eob) 135 return (-1); 136 137 SDP_PUT8(SDP_DATA_SEQ8, buf); 138 SDP_PUT8(3, buf); 139 140 /* 141 * The top-level browse group ID, called PublicBrowseRoot and 142 * representing the root of the browsing hierarchy, has the value 143 * 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the 144 * Bluetooth Assigned Numbers document 145 */ 146 147 SDP_PUT8(SDP_DATA_UUID16, buf); 148 SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf); 149 150 return (5); 151} 152 153static int32_t 154sd_profile_create_version_number_list( 155 uint8_t *buf, uint8_t const * const eob, 156 uint8_t const *data, uint32_t datalen) 157{ 158 if (buf + 5 > eob) 159 return (-1); 160 161 SDP_PUT8(SDP_DATA_SEQ8, buf); 162 SDP_PUT8(3, buf); 163 164 /* 165 * The VersionNumberList is a data element sequence in which each 166 * element of the sequence is a version number supported by the SDP 167 * server. A version number is a 16-bit unsigned integer consisting 168 * of two fields. The higher-order 8 bits contain the major version 169 * number field and the low-order 8 bits contain the minor version 170 * number field. The initial version of SDP has a major version of 171 * 1 and a minor version of 0 172 */ 173 174 SDP_PUT8(SDP_DATA_UINT16, buf); 175 SDP_PUT16(0x0100, buf); 176 177 return (5); 178} 179 180static int32_t 181sd_profile_create_service_database_state( 182 uint8_t *buf, uint8_t const * const eob, 183 uint8_t const *data, uint32_t datalen) 184{ 185 uint32_t change_state = provider_get_change_state(); 186 187 if (buf + 5 > eob) 188 return (-1); 189 190 SDP_PUT8(SDP_DATA_UINT32, buf); 191 SDP_PUT32(change_state, buf); 192 193 return (5); 194} 195 196static attr_t sd_profile_attrs[] = { 197 { SDP_ATTR_SERVICE_RECORD_HANDLE, 198 common_profile_create_service_record_handle }, 199 { SDP_ATTR_SERVICE_CLASS_ID_LIST, 200 sd_profile_create_service_class_id_list }, 201 { SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST, 202 sd_profile_create_bluetooth_profile_descriptor_list }, 203 { SDP_ATTR_SERVICE_ID, 204 sd_profile_create_service_id }, 205 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, 206 common_profile_create_language_base_attribute_id_list }, 207 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 208 sd_profile_create_service_name }, 209 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET, 210 sd_profile_create_service_name }, 211 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET, 212 common_profile_create_service_provider_name }, 213 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST, 214 sd_profile_create_protocol_descriptor_list }, 215 { SDP_ATTR_BROWSE_GROUP_LIST, 216 sd_profile_create_browse_group_list }, 217 { SDP_ATTR_VERSION_NUMBER_LIST, 218 sd_profile_create_version_number_list }, 219 { SDP_ATTR_SERVICE_DATABASE_STATE, 220 sd_profile_create_service_database_state }, 221 { 0, NULL } /* end entry */ 222}; 223 224profile_t sd_profile_descriptor = { 225 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 226 0, 227 (profile_data_valid_p) NULL, 228 (attr_t const * const) &sd_profile_attrs 229}; 230 231