1 /* $NetBSD: sd.c,v 1.2 2007/11/09 20:08:41 plunky Exp $ */ 2 /* $DragonFly: src/usr.sbin/sdpd/sd.c,v 1.1 2008/01/06 21:51:30 hasso Exp $ */ 3 4 /* 5 * sd.c 6 * 7 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com> 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $Id: sd.c,v 1.2 2007/11/30 07:39:37 griffin Exp $ 32 * $FreeBSD: src/usr.sbin/bluetooth/sdpd/sd.c,v 1.1 2004/01/20 20:48:26 emax Exp $ 33 */ 34 35 #include <sys/queue.h> 36 #include <bluetooth.h> 37 #include <sdp.h> 38 #include <string.h> 39 #include "profile.h" 40 #include "provider.h" 41 42 static int32_t 43 sd_profile_create_service_class_id_list( 44 uint8_t *buf, uint8_t const * const eob, 45 uint8_t const *data, uint32_t datalen) 46 { 47 static uint16_t service_classes[] = { 48 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER 49 }; 50 51 return (common_profile_create_service_class_id_list( 52 buf, eob, 53 (uint8_t const *) service_classes, 54 sizeof(service_classes))); 55 } 56 57 static int32_t 58 sd_profile_create_service_id( 59 uint8_t *buf, uint8_t const * const eob, 60 uint8_t const *data, uint32_t datalen) 61 { 62 if (buf + 3 > eob) 63 return (-1); 64 65 /* 66 * The ServiceID is a UUID that universally and uniquely identifies 67 * the service instance described by the service record. This service 68 * attribute is particularly useful if the same service is described 69 * by service records in more than one SDP server 70 */ 71 72 SDP_PUT8(SDP_DATA_UUID16, buf); 73 SDP_PUT16(SDP_UUID_PROTOCOL_SDP, buf); /* XXX ??? */ 74 75 return (3); 76 } 77 78 static int32_t 79 sd_profile_create_service_name( 80 uint8_t *buf, uint8_t const * const eob, 81 uint8_t const *data, uint32_t datalen) 82 { 83 static char service_name[] = "Bluetooth service discovery"; 84 85 return (common_profile_create_string8( 86 buf, eob, 87 (uint8_t const *) service_name, strlen(service_name))); 88 } 89 90 static int32_t 91 sd_profile_create_protocol_descriptor_list( 92 uint8_t *buf, uint8_t const * const eob, 93 uint8_t const *data, uint32_t datalen) 94 { 95 if (buf + 13 > eob) 96 return (-1); 97 98 SDP_PUT8(SDP_DATA_SEQ8, buf); 99 SDP_PUT8(11, buf); 100 101 SDP_PUT8(SDP_DATA_SEQ8, buf); 102 SDP_PUT8(9, buf); 103 104 SDP_PUT8(SDP_DATA_UUID16, buf); 105 SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); 106 107 SDP_PUT8(SDP_DATA_UINT16, buf); 108 SDP_PUT16(L2CAP_PSM_SDP, buf); 109 110 SDP_PUT8(SDP_DATA_UINT16, buf); 111 SDP_PUT16(1, buf); /* version */ 112 113 return (13); 114 } 115 116 static int32_t 117 sd_profile_create_browse_group_list( 118 uint8_t *buf, uint8_t const * const eob, 119 uint8_t const *data, uint32_t datalen) 120 { 121 if (buf + 5 > eob) 122 return (-1); 123 124 SDP_PUT8(SDP_DATA_SEQ8, buf); 125 SDP_PUT8(3, buf); 126 127 /* 128 * The top-level browse group ID, called PublicBrowseRoot and 129 * representing the root of the browsing hierarchy, has the value 130 * 00001002-0000-1000-8000-00805F9B34FB (UUID16: 0x1002) from the 131 * Bluetooth Assigned Numbers document 132 */ 133 134 SDP_PUT8(SDP_DATA_UUID16, buf); 135 SDP_PUT16(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP, buf); 136 137 return (5); 138 } 139 140 static int32_t 141 sd_profile_create_version_number_list( 142 uint8_t *buf, uint8_t const * const eob, 143 uint8_t const *data, uint32_t datalen) 144 { 145 if (buf + 5 > eob) 146 return (-1); 147 148 SDP_PUT8(SDP_DATA_SEQ8, buf); 149 SDP_PUT8(3, buf); 150 151 /* 152 * The VersionNumberList is a data element sequence in which each 153 * element of the sequence is a version number supported by the SDP 154 * server. A version number is a 16-bit unsigned integer consisting 155 * of two fields. The higher-order 8 bits contain the major version 156 * number field and the low-order 8 bits contain the minor version 157 * number field. The initial version of SDP has a major version of 158 * 1 and a minor version of 0 159 */ 160 161 SDP_PUT8(SDP_DATA_UINT16, buf); 162 SDP_PUT16(0x0100, buf); 163 164 return (5); 165 } 166 167 static int32_t 168 sd_profile_create_service_database_state( 169 uint8_t *buf, uint8_t const * const eob, 170 uint8_t const *data, uint32_t datalen) 171 { 172 uint32_t change_state = provider_get_change_state(); 173 174 if (buf + 5 > eob) 175 return (-1); 176 177 SDP_PUT8(SDP_DATA_UINT32, buf); 178 SDP_PUT32(change_state, buf); 179 180 return (5); 181 } 182 183 static attr_t sd_profile_attrs[] = { 184 { SDP_ATTR_SERVICE_RECORD_HANDLE, 185 common_profile_create_service_record_handle }, 186 { SDP_ATTR_SERVICE_CLASS_ID_LIST, 187 sd_profile_create_service_class_id_list }, 188 { SDP_ATTR_SERVICE_ID, 189 sd_profile_create_service_id }, 190 { SDP_ATTR_LANGUAGE_BASE_ATTRIBUTE_ID_LIST, 191 common_profile_create_language_base_attribute_id_list }, 192 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET, 193 sd_profile_create_service_name }, 194 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_DESCRIPTION_OFFSET, 195 sd_profile_create_service_name }, 196 { SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_PROVIDER_NAME_OFFSET, 197 common_profile_create_service_provider_name }, 198 { SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST, 199 sd_profile_create_protocol_descriptor_list }, 200 { SDP_ATTR_BROWSE_GROUP_LIST, 201 sd_profile_create_browse_group_list }, 202 { SDP_ATTR_VERSION_NUMBER_LIST, 203 sd_profile_create_version_number_list }, 204 { SDP_ATTR_SERVICE_DATABASE_STATE, 205 sd_profile_create_service_database_state }, 206 { 0, NULL } /* end entry */ 207 }; 208 209 static uint16_t sd_profile_uuids[] = { 210 SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER, 211 SDP_UUID_PROTOCOL_L2CAP, 212 }; 213 214 profile_t sd_profile_descriptor = { 215 sd_profile_uuids, 216 sizeof(sd_profile_uuids), 217 0, 218 (profile_data_valid_p) NULL, 219 (attr_t const * const) &sd_profile_attrs 220 }; 221