usr.sbin/bluetooth/sdpd/sd.c

   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