184 lines
6.2 KiB
Groff
184 lines
6.2 KiB
Groff
.\" $NetBSD: bthcid.8,v 1.1 2006/06/19 15:44:56 gdamore Exp $
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.\"
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.\" Copyright (c) 2006 Itronix Inc.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of Itronix Inc. may not be used to endorse
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.\" or promote products derived from this software without specific
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.\" prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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.\" ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\"
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.\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: bthcid.8,v 1.1 2006/06/19 15:44:56 gdamore Exp $
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.\" $FreeBSD: src/usr.sbin/bluetooth/hcsecd/hcsecd.8,v 1.6 2006/02/11 15:36:37 markus Exp $
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.\"
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.Dd November 16, 2002
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.Dt BTHCID 8
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.Os
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.Sh NAME
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.Nm bthcid
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.Nd Bluetooth Link Key/PIN Code Manager
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.Sh SYNOPSIS
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.Nm
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.Op Fl fn
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.Op Fl c Ar config_file
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.Op Fl d Ar device
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.Op Fl m Ar mode
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.Op Fl s Ar socket_name
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.Nm
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.Op Fl h
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.Sh DESCRIPTION
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The
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.Nm
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daemon manages link keys and PIN codes for Bluetooth devices.
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It opens a raw HCI socket and listens for the following HCI events at the
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.Ar device
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address given, if any.
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.Pp
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.Bl -tag -width XXXX -compact
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.It Dv Link_Key_Request
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.Nm
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scans first the
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.Pa /var/db/bthcid.keys
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file for a cached link key matching the remote device BD_ADDR and, if
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none is found, further scans the configuration file. When a link key
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has been found, the
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.Dv Link_Key_Request_Reply
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will be sent back to the device, otherwise the
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.Dv Link_Key_Request_Negative_Reply
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will be sent.
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.Pp
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.It Dv Link_Key_Notification
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When a new link key is created by the device, it will be cached for future
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use in the
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.Pa /var/db/bthcid.keys
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link keys file, which will be created if it does not already exist.
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.Pp
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.It Dv PIN_Code_Request
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The
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.Nm
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daemon first checks its cached PINs, then the configuration file
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for a matching remote device entry.
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When no PIN is found, the
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.Nm
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daemon will send a message to any PIN clients that have
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registered, with the device details and a timeout value.
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When no clients are available or the timeout has expired,
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.Nm
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will send a
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.Dv PIN_Code_Request_Negative_Reply
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back to the device.
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When a PIN is found, or if a client responds within the timeout period, a
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.Dv PIN_Code_Request_Reply
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will be sent back to the device.
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.Pp
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PINs received from clients will be cached for 5 minutes, and may be added
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to the cache prior to pairing with the
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.Xr btpin 1
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utility.
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.El
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.Pp
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The command line options are as follows:
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.Bl -tag -width XXXX
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.It Fl c Ar config_file
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Specify the name of the configuration file.
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The default is
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.Pa /etc/bluetooth/bluetooth.conf .
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.It Fl d Ar device
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Specify the local Bluetooth device address. The default is BDADDR_ANY.
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.It Fl f
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Run in foreground (do not detach).
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.It Fl h
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Display usage message and exit.
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.It Fl m
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Specify the file mode access bits for the PIN client socket. The
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default is to allow readwrite access to user and group (0660).
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.It Fl n
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Do not listen for PIN clients.
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.It Fl s Ar socket_name
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Specify the socket name to listen on for PIN clients. The default path is
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.Pa /var/run/bthcid .
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.El
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.Sh FILES
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.Bl -tag -compact
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.It Pa /etc/bluetooth/bluetooth.conf
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.It Pa /var/db/bthcid.keys
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.It Pa /var/run/bthcid
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.It Pa /var/run/bthcid.pid
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.El
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.Sh SEE ALSO
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.Xr bluetooth 4 ,
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.Xr bluetooth.conf 5 ,
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.Xr btconfig 8 ,
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.Xr btpin 1
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.Sh AUTHORS
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.An Maksim Yevmenkin Aq m_evmenkin@yahoo.com ,
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.An Iain Hibbert
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.Sh HISTORY
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The
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.Nm
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daemon first appeared in
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.Fx 5.3
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as
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.Ic hcsecd .
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It was ported to
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.Nx 4.0
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with its present name and extended to support PIN clients by
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.An Iain Hibbert
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under the sponsorship of
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.An Itronix, Inc.
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.Sh BUGS
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Currently there is no way to select the link key based on
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which local device received the request.
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.Pp
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Everything is based on the remote device BD_ADDR.
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.Pp
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Currently the only way to make the
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.Nm
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daemon forget a link key is to edit the
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.Pa /var/db/bthcid.keys
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file by hand.
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