usr.sbin/sdpd/sd.c

   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 };