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