1 /* $NetBSD: sd.c,v 1.2 2007/11/09 20:08:41 plunky Exp $ */ 2 3 /* 4 * sd.c 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 1.2 2007/11/30 07:39:37 griffin Exp $ 31 * $FreeBSD: src/usr.sbin/bluetooth/sdpd/sd.c,v 1.1 2004/01/20 20:48:26 emax Exp $ 32 */ 33 34 #include <sys/queue.h> 35 #include <bluetooth.h> 36 #include <sdp.h> 37 #include <string.h> 38 #include "profile.h" 39 #include "provider.h" 40 41 static int32_t 42 sd_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 56 static int32_t 57 sd_profile_create_service_id( 58 uint8_t *buf, uint8_t const * const eob, 59 uint8_t const *data, uint32_t datalen) 60 { 61 if (buf + 3 > eob) 62 return (-1); 63 64 /* 65 * The ServiceID is a UUID that universally and uniquely identifies 66 * the service instance described by the service record. This service 67 * attribute is particularly useful if the same service is described 68 * by service records in more than one SDP server 69 */ 70 71 SDP_PUT8(SDP_DATA_UUID16, buf); 72 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */ 73 74 return (3); 75 } 76 77 static int32_t 78 sd_profile_create_service_name( 79 uint8_t *buf, uint8_t const * const eob, 80 uint8_t const *data, uint32_t datalen) 81 { 82 static char service_name[] = "Bluetooth service discovery"; 83 84 return (common_profile_create_string8( 85 buf, eob, 86 (uint8_t const *) service_name, strlen(service_name))); 87 } 88 89 static int32_t 90 sd_profile_create_protocol_descriptor_list( 91 uint8_t *buf, uint8_t const * const eob, 92 uint8_t const *data, uint32_t datalen) 93 { 94 if (buf + 13 > eob) 95 return (-1); 96 97 SDP_PUT8(SDP_DATA_SEQ8, buf); 98 SDP_PUT8(11, buf); 99 100 SDP_PUT8(SDP_DATA_SEQ8, buf); 101 SDP_PUT8(9, buf); 102 103 SDP_PUT8(SDP_DATA_UUID16, buf); 104 SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); 105 106 SDP_PUT8(SDP_DATA_UINT16, buf); 107 SDP_PUT16(L2CAP_PSM_SDP, buf); 108 109 SDP_PUT8(SDP_DATA_UINT16, buf); 110 SDP_PUT16(1, buf); /* version */ 111 112 return (13); 113 } 114 115 static int32_t 116 sd_profile_create_browse_group_list( 117 uint8_t *buf, uint8_t const * const eob, 118 uint8_t const *data, uint32_t datalen) 119 { 120 if (buf + 5 > eob) 121 return (-1); 122 123 SDP_PUT8(SDP_DATA_SEQ8, buf); 124 SDP_PUT8(3, buf); 125 126 /* 127 * The top-level browse group ID, called PublicBrowseRoot and 128 * representing the root of the browsing hierarchy, has the value 129 * 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the 130 * Bluetooth Assigned Numbers document 131 */ 132 133 SDP_PUT8(SDP_DATA_UUID16, buf); 134 SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf); 135 136 return (5); 137 } 138 139 static int32_t 140 sd_profile_create_version_number_list( 141 uint8_t *buf, uint8_t const * const eob, 142 uint8_t const *data, uint32_t datalen) 143 { 144 if (buf + 5 > eob) 145 return (-1); 146 147 SDP_PUT8(SDP_DATA_SEQ8, buf); 148 SDP_PUT8(3, buf); 149 150 /* 151 * The VersionNumberList is a data element sequence in which each 152 * element of the sequence is a version number supported by the SDP 153 * server. A version number is a 16-bit unsigned integer consisting 154 * of two fields. The higher-order 8 bits contain the major version 155 * number field and the low-order 8 bits contain the minor version 156 * number field. The initial version of SDP has a major version of 157 * 1 and a minor version of 0 158 */ 159 160 SDP_PUT8(SDP_DATA_UINT16, buf); 161 SDP_PUT16(0x0100, buf); 162 163 return (5); 164 } 165 166 static int32_t 167 sd_profile_create_service_database_state( 168 uint8_t *buf, uint8_t const * const eob, 169 uint8_t const *data, uint32_t datalen) 170 { 171 uint32_t change_state = provider_get_change_state(); 172 173 if (buf + 5 > eob) 174 return (-1); 175 176 SDP_PUT8(SDP_DATA_UINT32, buf); 177 SDP_PUT32(change_state, buf); 178 179 return (5); 180 } 181 182 static attr_t sd_profile_attrs[] = { 183 { SDP_ATTR_SERVICE_RECORD_HANDLE, 184 common_profile_create_service_record_handle }, 185 { SDP_ATTR_SERVICE_CLASS_ID_LIST, 186 sd_profile_create_service_class_id_list }, 187 { SDP_ATTR_SERVICE_ID, 188 sd_profile_create_service_id }, 189 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, 190 common_profile_create_language_base_attribute_id_list }, 191 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 192 sd_profile_create_service_name }, 193 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET, 194 sd_profile_create_service_name }, 195 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET, 196 common_profile_create_service_provider_name }, 197 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST, 198 sd_profile_create_protocol_descriptor_list }, 199 { SDP_ATTR_BROWSE_GROUP_LIST, 200 sd_profile_create_browse_group_list }, 201 { SDP_ATTR_VERSION_NUMBER_LIST, 202 sd_profile_create_version_number_list }, 203 { SDP_ATTR_SERVICE_DATABASE_STATE, 204 sd_profile_create_service_database_state }, 205 { 0, NULL } /* end entry */ 206 }; 207 208 static uint16_t sd_profile_uuids[] = { 209 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 210 SDP_UUID_PROTOCOL_L2CAP, 211 }; 212 213 profile_t sd_profile_descriptor = { 214 sd_profile_uuids, 215 sizeof(sd_profile_uuids), 216 0, 217 NULL, 218 (attr_t const * const) &sd_profile_attrs 219 }; 220