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 #define L2CAP_SOCKET_CHECKED 34 #include <bluetooth.h> 35 #include <sdp.h> 36 #include <string.h> 37 #include "profile.h" 38 #include "provider.h" 39 40 static int32_t 41 sd_profile_create_service_class_id_list( 42 uint8_t *buf, uint8_t const * const eob, 43 uint8_t const *data, uint32_t datalen) 44 { 45 static uint16_t service_classes[] = { 46 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER 47 }; 48 49 return (common_profile_create_service_class_id_list( 50 buf, eob, 51 (uint8_t const *) service_classes, 52 sizeof(service_classes))); 53 } 54 55 static int32_t 56 sd_profile_create_bluetooth_profile_descriptor_list( 57 uint8_t *buf, uint8_t const * const eob, 58 uint8_t const *data, uint32_t datalen) 59 { 60 static uint16_t profile_descriptor_list[] = { 61 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 62 0x0100 63 }; 64 65 return (common_profile_create_bluetooth_profile_descriptor_list( 66 buf, eob, 67 (uint8_t const *) profile_descriptor_list, 68 sizeof(profile_descriptor_list))); 69 } 70 71 static int32_t 72 sd_profile_create_service_id( 73 uint8_t *buf, uint8_t const * const eob, 74 uint8_t const *data, uint32_t datalen) 75 { 76 if (buf + 3 > eob) 77 return (-1); 78 79 /* 80 * The ServiceID is a UUID that universally and uniquely identifies 81 * the service instance described by the service record. This service 82 * attribute is particularly useful if the same service is described 83 * by service records in more than one SDP server 84 */ 85 86 SDP_PUT8(SDP_DATA_UUID16, buf); 87 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */ 88 89 return (3); 90 } 91 92 static int32_t 93 sd_profile_create_service_name( 94 uint8_t *buf, uint8_t const * const eob, 95 uint8_t const *data, uint32_t datalen) 96 { 97 static char service_name[] = "Bluetooth service discovery"; 98 99 return (common_profile_create_string8( 100 buf, eob, 101 (uint8_t const *) service_name, strlen(service_name))); 102 } 103 104 static int32_t 105 sd_profile_create_protocol_descriptor_list( 106 uint8_t *buf, uint8_t const * const eob, 107 uint8_t const *data, uint32_t datalen) 108 { 109 if (buf + 12 > eob) 110 return (-1); 111 112 SDP_PUT8(SDP_DATA_SEQ8, buf); 113 SDP_PUT8(10, buf); 114 115 SDP_PUT8(SDP_DATA_SEQ8, buf); 116 SDP_PUT8(3, buf); 117 SDP_PUT8(SDP_DATA_UUID16, buf); 118 SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); 119 120 SDP_PUT8(SDP_DATA_SEQ8, buf); 121 SDP_PUT8(3, buf); 122 SDP_PUT8(SDP_DATA_UUID16, buf); 123 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); 124 125 return (12); 126 } 127 128 static int32_t 129 sd_profile_create_browse_group_list( 130 uint8_t *buf, uint8_t const * const eob, 131 uint8_t const *data, uint32_t datalen) 132 { 133 if (buf + 5 > eob) 134 return (-1); 135 136 SDP_PUT8(SDP_DATA_SEQ8, buf); 137 SDP_PUT8(3, buf); 138 139 /* 140 * The top-level browse group ID, called PublicBrowseRoot and 141 * representing the root of the browsing hierarchy, has the value 142 * 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the 143 * Bluetooth Assigned Numbers document 144 */ 145 146 SDP_PUT8(SDP_DATA_UUID16, buf); 147 SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf); 148 149 return (5); 150 } 151 152 static int32_t 153 sd_profile_create_version_number_list( 154 uint8_t *buf, uint8_t const * const eob, 155 uint8_t const *data, uint32_t datalen) 156 { 157 if (buf + 5 > eob) 158 return (-1); 159 160 SDP_PUT8(SDP_DATA_SEQ8, buf); 161 SDP_PUT8(3, buf); 162 163 /* 164 * The VersionNumberList is a data element sequence in which each 165 * element of the sequence is a version number supported by the SDP 166 * server. A version number is a 16-bit unsigned integer consisting 167 * of two fields. The higher-order 8 bits contain the major version 168 * number field and the low-order 8 bits contain the minor version 169 * number field. The initial version of SDP has a major version of 170 * 1 and a minor version of 0 171 */ 172 173 SDP_PUT8(SDP_DATA_UINT16, buf); 174 SDP_PUT16(0x0100, buf); 175 176 return (5); 177 } 178 179 static int32_t 180 sd_profile_create_service_database_state( 181 uint8_t *buf, uint8_t const * const eob, 182 uint8_t const *data, uint32_t datalen) 183 { 184 uint32_t change_state = provider_get_change_state(); 185 186 if (buf + 5 > eob) 187 return (-1); 188 189 SDP_PUT8(SDP_DATA_UINT32, buf); 190 SDP_PUT32(change_state, buf); 191 192 return (5); 193 } 194 195 static attr_t sd_profile_attrs[] = { 196 { SDP_ATTR_SERVICE_RECORD_HANDLE, 197 common_profile_create_service_record_handle }, 198 { SDP_ATTR_SERVICE_CLASS_ID_LIST, 199 sd_profile_create_service_class_id_list }, 200 { SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST, 201 sd_profile_create_bluetooth_profile_descriptor_list }, 202 { SDP_ATTR_SERVICE_ID, 203 sd_profile_create_service_id }, 204 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, 205 common_profile_create_language_base_attribute_id_list }, 206 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 207 sd_profile_create_service_name }, 208 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET, 209 sd_profile_create_service_name }, 210 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET, 211 common_profile_create_service_provider_name }, 212 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST, 213 sd_profile_create_protocol_descriptor_list }, 214 { SDP_ATTR_BROWSE_GROUP_LIST, 215 sd_profile_create_browse_group_list }, 216 { SDP_ATTR_VERSION_NUMBER_LIST, 217 sd_profile_create_version_number_list }, 218 { SDP_ATTR_SERVICE_DATABASE_STATE, 219 sd_profile_create_service_database_state }, 220 { 0, NULL } /* end entry */ 221 }; 222 223 profile_t sd_profile_descriptor = { 224 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 225 0, 226 (profile_data_valid_p) NULL, 227 (attr_t const * const) &sd_profile_attrs 228 }; 229 230