1.\" Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: sdpd.8,v 1.1 2004/01/13 19:31:54 max Exp $ 26.\" $FreeBSD$ 27.\" 28.Dd January 13, 2004 29.Dt SDPD 8 30.Os 31.Sh NAME 32.Nm sdpd 33.Nd Bluetooth Service Discovery Protocol daemon 34.Sh SYNOPSIS 35.Nm 36.Op Fl dh 37.Op Fl c Ar path 38.Op Fl g Ar group 39.Op Fl u Ar user 40.Sh DESCRIPTION 41The 42.Nm 43daemon keeps track of the Bluetooth services registered on the host 44and responds to Service Discovery inquiries from the remote Bluetooth devices. 45.Pp 46In order to use any service remote Bluetooth device need to send Service 47Search and Service Attribute or Service Search Attribute request over 48Bluetooth L2CAP connection on SDP PSM (0x0001). 49The 50.Nm 51daemon will try to find matching Service Record in its Service Database 52and will send appropriate response back. 53The remote device then will process the response, extract all required 54information and will make a separate connection in order to use the service. 55.Pp 56Bluetooth applications, running on the host, register services with 57the local 58.Nm 59daemon. 60Operation like service registration, service removal and service change are 61performed over the control socket. 62It is possible to query entire content of the 63.Nm 64Service Database with 65.Xr sdpcontrol 8 66by issuing 67.Cm browse 68command on the control socket. 69.Pp 70The command line options are as follows: 71.Bl -tag -width indent 72.It Fl d 73Do not detach from the controlling terminal. 74.It Fl c Ar path 75Specify path to the control socket. 76The default path is 77.Pa /var/run/sdp . 78.It Fl g Ar group 79Specifies the group the 80.Nm 81should run as after it initializes. 82The value specified may be either a group name or a numeric group ID. 83This only works if 84.Nm 85was started as root. 86The default group name is 87.Dq Li nobody . 88.It Fl h 89Display usage message and exit. 90.It Fl u Ar user 91Specifies the user the 92.Nm 93should run as after it initializes. 94The value specified may be either a user name or a numeric user ID. 95This only works if 96.Nm 97was started as root. 98The default user name is 99.Dq Li nobody . 100.El 101.Sh CAVEAT 102The 103.Nm 104daemon 105will listen for incoming L2CAP connections on a wildcard BD_ADDR. 106.Pp 107In case of multiple Bluetooth devices connected to the same host it is 108possible to specify which services should be 109.Dq bound 110to which Bluetooth device. 111Such assignment should be done at service registration time. 112.Pp 113Requests to register, remove or change service can only be made via the 114control socket. 115The 116.Nm 117daemon will check peer's credentials and will only accept the request if 118the application has the same effective user ID as the 119.Dq Li root 120user ID. 121.Pp 122The 123.Nm 124daemon does not check for duplicated Service Records. 125It only performs minimal checking on the service data sent in the Service 126Register request. 127It is assumed that application must obtain all required resources such 128as RFCOMM channels etc., before registering the service. 129.Sh FILES 130.Bl -tag -width ".Pa /var/run/sdp" -compact 131.It Pa /var/run/sdp 132.El 133.Sh SEE ALSO 134.Xr sdp 3 , 135.Xr sdpcontrol 8 136.Sh AUTHORS 137.An Maksim Yevmenkin Aq m_evmenkin@yahoo.com 138.Sh BUGS 139Most likely. 140Please report if found. 141