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_service_id( 56 uint8_t *buf, uint8_t const * const eob, 57 uint8_t const *data, uint32_t datalen) 58 { 59 if (buf + 3 > eob) 60 return (-1); 61 62 /* 63 * The ServiceID is a UUID that universally and uniquely identifies 64 * the service instance described by the service record. This service 65 * attribute is particularly useful if the same service is described 66 * by service records in more than one SDP server 67 */ 68 69 SDP_PUT8(SDP_DATA_UUID16, buf); 70 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */ 71 72 return (3); 73 } 74 75 static int32_t 76 sd_profile_create_service_name( 77 uint8_t *buf, uint8_t const * const eob, 78 uint8_t const *data, uint32_t datalen) 79 { 80 static char service_name[] = "Bluetooth service discovery"; 81 82 return (common_profile_create_string8( 83 buf, eob, 84 (uint8_t const *) service_name, strlen(service_name))); 85 } 86 87 static int32_t 88 sd_profile_create_protocol_descriptor_list( 89 uint8_t *buf, uint8_t const * const eob, 90 uint8_t const *data, uint32_t datalen) 91 { 92 if (buf + 13 > eob) 93 return (-1); 94 95 SDP_PUT8(SDP_DATA_SEQ8, buf); 96 SDP_PUT8(11, buf); 97 98 SDP_PUT8(SDP_DATA_SEQ8, buf); 99 SDP_PUT8(9, buf); 100 101 SDP_PUT8(SDP_DATA_UUID16, buf); 102 SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); 103 104 SDP_PUT8(SDP_DATA_UINT16, buf); 105 SDP_PUT16(NG_L2CAP_PSM_SDP, buf); 106 107 SDP_PUT8(SDP_DATA_UINT16, buf); 108 SDP_PUT16(1, buf); /* version */ 109 110 return (13); 111 } 112 113 static int32_t 114 sd_profile_create_browse_group_list( 115 uint8_t *buf, uint8_t const * const eob, 116 uint8_t const *data, uint32_t datalen) 117 { 118 if (buf + 5 > eob) 119 return (-1); 120 121 SDP_PUT8(SDP_DATA_SEQ8, buf); 122 SDP_PUT8(3, buf); 123 124 /* 125 * The top-level browse group ID, called PublicBrowseRoot and 126 * representing the root of the browsing hierarchy, has the value 127 * 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the 128 * Bluetooth Assigned Numbers document 129 */ 130 131 SDP_PUT8(SDP_DATA_UUID16, buf); 132 SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf); 133 134 return (5); 135 } 136 137 static int32_t 138 sd_profile_create_version_number_list( 139 uint8_t *buf, uint8_t const * const eob, 140 uint8_t const *data, uint32_t datalen) 141 { 142 if (buf + 5 > eob) 143 return (-1); 144 145 SDP_PUT8(SDP_DATA_SEQ8, buf); 146 SDP_PUT8(3, buf); 147 148 /* 149 * The VersionNumberList is a data element sequence in which each 150 * element of the sequence is a version number supported by the SDP 151 * server. A version number is a 16-bit unsigned integer consisting 152 * of two fields. The higher-order 8 bits contain the major version 153 * number field and the low-order 8 bits contain the minor version 154 * number field. The initial version of SDP has a major version of 155 * 1 and a minor version of 0 156 */ 157 158 SDP_PUT8(SDP_DATA_UINT16, buf); 159 SDP_PUT16(0x0100, buf); 160 161 return (5); 162 } 163 164 static int32_t 165 sd_profile_create_service_database_state( 166 uint8_t *buf, uint8_t const * const eob, 167 uint8_t const *data, uint32_t datalen) 168 { 169 uint32_t change_state = provider_get_change_state(); 170 171 if (buf + 5 > eob) 172 return (-1); 173 174 SDP_PUT8(SDP_DATA_UINT32, buf); 175 SDP_PUT32(change_state, buf); 176 177 return (5); 178 } 179 180 static attr_t sd_profile_attrs[] = { 181 { SDP_ATTR_SERVICE_RECORD_HANDLE, 182 common_profile_create_service_record_handle }, 183 { SDP_ATTR_SERVICE_CLASS_ID_LIST, 184 sd_profile_create_service_class_id_list }, 185 { SDP_ATTR_SERVICE_ID, 186 sd_profile_create_service_id }, 187 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, 188 common_profile_create_language_base_attribute_id_list }, 189 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 190 sd_profile_create_service_name }, 191 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET, 192 sd_profile_create_service_name }, 193 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET, 194 common_profile_create_service_provider_name }, 195 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST, 196 sd_profile_create_protocol_descriptor_list }, 197 { SDP_ATTR_BROWSE_GROUP_LIST, 198 sd_profile_create_browse_group_list }, 199 { SDP_ATTR_VERSION_NUMBER_LIST, 200 sd_profile_create_version_number_list }, 201 { SDP_ATTR_SERVICE_DATABASE_STATE, 202 sd_profile_create_service_database_state }, 203 { 0, NULL } /* end entry */ 204 }; 205 206 profile_t sd_profile_descriptor = { 207 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 208 0, 209 (profile_data_valid_p) NULL, 210 (attr_t const * const) &sd_profile_attrs 211 }; 212 213