Date: Fri, 11 Jan 2019 15:52:10 +0000 (UTC) From: Lars Engels <lme@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342945 - in head: tools/build/mk usr.sbin/bluetooth usr.sbin/bluetooth/bluetooth-config Message-ID: <201901111552.x0BFqAxa049564@repo.freebsd.org>
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Author: lme (ports committer) Date: Fri Jan 11 15:52:09 2019 New Revision: 342945 URL: https://svnweb.freebsd.org/changeset/base/342945 Log: Add `bluetooth-config` script to simplify setting up bluetooth connections to devices like mice, keyboards, bt-audio, ... This script currently allows scanning for nearby devices, adds one to /etc/bluetooth/hosts, adds an entry to hcsecd's conf and if it is a HID, add an entry to bthidd's configs, as well. Submitted by: erdgeist <erdgeist@erdgeist.org> Approved by: bapt MFC after: 2 weeks Differential Revision: D3778 Reviewers: bapt, emax Added: head/usr.sbin/bluetooth/bluetooth-config/ head/usr.sbin/bluetooth/bluetooth-config/Makefile (contents, props changed) head/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.8 (contents, props changed) head/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh (contents, props changed) Modified: head/tools/build/mk/OptionalObsoleteFiles.inc head/usr.sbin/bluetooth/Makefile Modified: head/tools/build/mk/OptionalObsoleteFiles.inc ============================================================================== --- head/tools/build/mk/OptionalObsoleteFiles.inc Fri Jan 11 14:21:59 2019 (r342944) +++ head/tools/build/mk/OptionalObsoleteFiles.inc Fri Jan 11 15:52:09 2019 (r342945) @@ -504,6 +504,7 @@ OLD_FILES+=usr/lib32/libsdp_p.a .endif OLD_FILES+=usr/sbin/ath3kfw OLD_FILES+=usr/sbin/bcmfw +OLD_FILES+=usr/sbin/bluetooth-config OLD_FILES+=usr/sbin/bt3cfw OLD_FILES+=usr/sbin/bthidcontrol OLD_FILES+=usr/sbin/bthidd @@ -580,6 +581,7 @@ OLD_FILES+=usr/share/man/man5/bluetooth.protocols.5.gz OLD_FILES+=usr/share/man/man5/hcsecd.conf.5.gz OLD_FILES+=usr/share/man/man8/ath3kfw.8.gz OLD_FILES+=usr/share/man/man8/bcmfw.8.gz +OLD_FILES+=usr/share/man/man8/bluetooth-config.8.gz OLD_FILES+=usr/share/man/man8/bt3cfw.8.gz OLD_FILES+=usr/share/man/man8/bthidcontrol.8.gz OLD_FILES+=usr/share/man/man8/bthidd.8.gz Modified: head/usr.sbin/bluetooth/Makefile ============================================================================== --- head/usr.sbin/bluetooth/Makefile Fri Jan 11 14:21:59 2019 (r342944) +++ head/usr.sbin/bluetooth/Makefile Fri Jan 11 15:52:09 2019 (r342945) @@ -4,6 +4,7 @@ .include <src.opts.mk> SUBDIR= \ + bluetooth-config \ bt3cfw \ btpand \ hccontrol \ Added: head/usr.sbin/bluetooth/bluetooth-config/Makefile ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/usr.sbin/bluetooth/bluetooth-config/Makefile Fri Jan 11 15:52:09 2019 (r342945) @@ -0,0 +1,6 @@ +# $FreeBSD$ + +SCRIPTS=bluetooth-config.sh +MAN= bluetooth-config.8 + +.include <bsd.prog.mk> Added: head/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.8 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.8 Fri Jan 11 15:52:09 2019 (r342945) @@ -0,0 +1,222 @@ +.\" Copyright (c) 2019 Dirk Engling +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd January 7, 2019 +.Dt BLUETOOTH-CONFIG 8 +.Os +.Sh NAME +.Nm bluetooth-config +.Nd a script to manage config files for the bluetooth sub system +.Sh SYNOPSIS +.Nm +.Ar scan +.Op Fl d Ar device +.Op Fl n Ar node +.Sh DESCRIPTION +The +.Nm +utility is an interactive script to provide a frontend to the complex bluetooth sub system daemons. +.Pp +The following options are available: +.Bl -tag -width indent+ +.It Fl d +Scan for a specific bluetooth device address. +.It Fl n +Limit scan to a specific host controller. Hint: List all netgraph nodes with +.Ql /usr/sbin/ngctl list . +.El +.Pp +.Nm +will help finding and setting up bluetooth controllers, scan for nearby bluetooth devices in +pairing mode, lookup their names, allow mapping to friendly names in +.Pa /etc/bluetooth/hosts , +ask for the paring PIN, instrument +.Xr hcsecd 8 +to securely pair with new devices and, if the device offers HID endpoints such as mice or +keyboards, configure and restart +.Xr bthidd 8 . +.Pp +.Nm +can bring up any interface and daemon necessary for operation and, if a node is provided on +command line, will do so automatically for that interface. +.Sh CAVEATS +.Nm +can not parse entries in +.Xr hcsecd 8 +config file and thus will ask the user to manually modify existing pairing PIN entries. +.Sh FILES +.Bl -tag -width ".Pa /etc/bluetooth/hosts" -compact +.It Pa /etc/bluetooth/hosts +.It Pa sysrc -n bthidd_config +.It Pa sysrc -n hcsecd_config +.El +.Sh EXAMPLES +.Nm +scan -n ubt0 -a 00:26:bb:7a:58:95 +.Bd -ragged -offset indent +This will scan the bluetooth controller ubt0hci for a bluetooth device with the address +00:26:bb:7a:58:95, set up ubt0 if necessary and enter an interactive dialog to pair the +new device. Since in this example a mouse is paired, +.Nm +will interact with +.Xr bthidd 8 , +enabling it if necessary and then write an HID descriptor to its config. +.Ed +.Pp +.Nm +scan +.Bd -ragged -offset indent +This will scan all bluetooth controllers on the systems for bluetooth devices, prompting +to bring up controllers or daemons along the way. +.Ed +.Sh SEE ALSO +.Xr bthidcontrol 8 , +.Xr bthidd 8 , +.Xr bthost 1 , +.Xr hccontrol 8 , +.Xr hcsecd 8 , +.Xr sdpcontrol 8 , +.Xr sysrc 8 +.Sh HISTORY +A +.Nm +utility first appeared in +.Fx 12.1 . +.Sh AUTHORS +.An Dirk Engling Aq Mt erdgeist@erdgeist.org +.Sh THANKS TO +Lars Engels and Warren Block for suggestions, help, and testing. +.\" Copyright (c) 2019 Dirk Engling +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd January 7, 2019 +.Dt BLUETOOTH-CONFIG 8 +.Os +.Sh NAME +.Nm bluetooth-config +.Nd a script to manage config files for the bluetooth sub system +.Sh SYNOPSIS +.Nm +.Ar scan +.Op Fl d Ar device +.Op Fl n Ar node +.Sh DESCRIPTION +The +.Nm +utility is an interactive script to provide a frontend to the complex bluetooth sub system daemons. +.Pp +The following options are available: +.Bl -tag -width indent+ +.It Fl d +Scan for a specific bluetooth device address. +.It Fl n +Limit scan to a specific host controller. Hint: List all netgraph nodes with +.Ql /usr/sbin/ngctl list . +.El +.Pp +.Nm +will help finding and setting up bluetooth controllers, scan for nearby bluetooth devices in +pairing mode, lookup their names, allow mapping to friendly names in +.Pa /etc/bluetooth/hosts , +ask for the paring PIN, instrument +.Xr hcsecd 8 +to securely pair with new devices and, if the device offers HID endpoints such as mice or +keyboards, configure and restart +.Xr bthidd 8 . +.Pp +.Nm +can bring up any interface and daemon necessary for operation and, if a node is provided on +command line, will do so automatically for that interface. +.Sh CAVEATS +.Nm +can not parse entries in +.Xr hcsecd 8 +config file and thus will ask the user to manually modify existing pairing PIN entries. +.Sh FILES +.Bl -tag -width ".Pa /etc/bluetooth/hosts" -compact +.It Pa /etc/bluetooth/hosts +.It Pa sysrc -n bthidd_config +.It Pa sysrc -n hcsecd_config +.El +.Sh EXAMPLES +.Nm +scan -n ubt0 -a 00:26:bb:7a:58:95 +.Bd -ragged -offset indent +This will scan the bluetooth controller ubt0hci for a bluetooth device with the address +00:26:bb:7a:58:95, set up ubt0 if necessary and enter an interactive dialog to pair the +new device. Since in this example a mouse is paired, +.Nm +will interact with +.Xr bthidd 8 , +enabling it if necessary and then write an HID descriptor to its config. +.Ed +.Pp +.Nm +scan +.Bd -ragged -offset indent +This will scan all bluetooth controllers on the systems for bluetooth devices, prompting +to bring up controllers or daemons along the way. +.Ed +.Sh SEE ALSO +.Xr bthidcontrol 8 , +.Xr bthidd 8 , +.Xr bthost 1 , +.Xr hccontrol 8 , +.Xr hcsecd 8 , +.Xr sdpcontrol 8 , +.Xr sysrc 8 +.Sh HISTORY +A +.Nm +utility first appeared in +.Fx 12.1 . +.Sh AUTHORS +.An Dirk Engling Aq Mt erdgeist@erdgeist.org +.Sh THANKS TO +Lars Engels and Warren Block for suggestions, help, and testing. Added: head/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh Fri Jan 11 15:52:09 2019 (r342945) @@ -0,0 +1,275 @@ +#!/bin/sh +#- +# Copyleft 2019 Dirk Engling +# +# This script is released under the beerware license. +# +# $FreeBSD$ +# + +# define our bail out shortcut +exerr () { echo -e "Error: $*" >&2 ; exit 1; } +print_syntax () { echo -e "Syntax: $0 scan [-d device] [-n node]"; exit 1; } + +# Assuming we are called to do the pair-new-device subcommand first + +main() { +unset node device started bdaddresses retry + +# Only one command at the moment is scan (+ add) +[ "$#" -eq 1 -a "$1" = "scan" ] || print_syntax +shift + +# Get command line options +while getopts :d:n: arg; do + case ${arg} in + d) device="$OPTARG";; + n) node="$OPTARG";; + ?) print_syntax;; + esac +done + +# No use running without super user rights +[ $( id -u ) -eq 0 ] || exerr "$0 must modify files that belong to root. Re-run as root." + +known_nodes=$(/usr/sbin/hccontrol read_node_list 2>/dev/null | \ + /usr/bin/tail -n +2 | /usr/bin/cut -d ' ' -f 1) + +# Check if netgraph knows about any HCI nodes +if ! [ "${known_nodes}" ]; then + ng_nodes=$(/usr/sbin/ngctl list 2>/dev/null | \ + /usr/bin/grep -o "Name: .* Type: ubt" | /usr/bin/cut -d ' ' -f 2) + + [ "${ng_nodes}" ] || exerr "No Bluetooth host controllers found." + + unset found + for n in ${ng_nodes}; do + if [ "${n}" = "${node%hci}" ]; then + # If we found the node but its stack is not set up, do it now + /usr/sbin/service bluetooth start ${node%hci} || exit 1 + found="YES" + fi + done + + # If we have Bluetooth controller nodes without a set up stack, + # ask the user if we shall start it up + if ! [ "${found}" ]; then + printf "No usable Bluetooth host controllers were found.\n" + printf "These host controllers exist in the system:\n %s" " ${ng_nodes}" + read -p "Choose a host controller to set up: [${ng_nodes%% *}]" node + : ${node:="${ng_nodes%% *}"} + /usr/sbin/service bluetooth start ${node} || exit 1 + fi + + # Re-read known nodes + known_nodes=$(/usr/sbin/hccontrol read_node_list 2>/dev/null | \ + /usr/bin/tail -n +2 | /usr/bin/cut -d ' ' -f 1) + # check if we succeeded in bringing it up + [ "${known_nodes}" ] || exerr "Failed to set up Bluetooth stack" +fi + +# if a node was requested on command line, check if it is there +if [ "${node}" ]; then + unset found + for n in ${known_nodes}; do + [ "${n}" = "${node}" ] && found="YES" + [ "${n}" = "${node}hci" ] && node="${node}hci" && found="YES" + done + [ "${found}" ] || exerr "Node ${node} not found" +fi + +[ "${node}" ] && node="-n ${node}" + +while ! [ "${bdaddresses}" ]; do + retry=X${retry} + printf "Scanning for new Bluetooth devices (Attempt %d of 5) ... " ${#retry} + bdaddresses=$( /usr/sbin/hccontrol -N ${node} inquiry 2>/dev/null | \ + /usr/bin/grep -o "BD_ADDR: .*" | /usr/bin/cut -d ' ' -f 2 ) + + # Count entries and, if a device was requested on command line, + # try to find it + unset found count + for bdaddress in ${bdaddresses}; do + count=X${count} + if [ "${bdaddress}" = "${device}" ]; then + found=YES + bdaddresses="${device}" + count=X + break + fi + done + + # If device was requested on command line but is not found, + # or no devices found at all, rescan until retry is exhausted + if ! [ "${found}" -o "${count}" -a -z "${device}" ]; then + printf "failed.\n" + if [ "${#retry}" -eq 5 ]; then + [ "${device}" ] && exerr "Device ${device} not found" + exerr "No new Bluetooth devices found" + fi + unset bdaddresses + sleep 2 + continue + fi + + [ ${#count} -gt 1 ] && plural=s || plural='' + printf "done.\nFound %d new bluetooth device%s (scanning for names):\n" ${#count} ${plural} + + # Looping again for the faster feedback + unset count + for bdaddress in ${bdaddresses}; do + count=X${count} + bdname=$( /usr/bin/bthost -b "${bdaddress}" 2>/dev/null ) + friendlyname=$( /usr/sbin/hccontrol Remote_Name_Request ${bdaddress} 2> /dev/null | \ + /usr/bin/grep -o "Name: .*" | /usr/bin/cut -d ' ' -f 2- ) + + # sdpcontrol should be able to pull vendor and product id via sdp + printf "[%2d] %s\t\"%s\" (%s)\n" ${#count} "${bdaddress}" "${friendlyname}" "${bdname}" + + eval bdaddress_${#count}=\${bdaddress} + eval bdname_${#count}=\${bdname} + eval friendlyname_${#count}=\${friendlyname} + done + + # If a device was pre-selected, do not query the user + [ "${device}" ] && topair=1 || unset topair + + # Even if only one device was found, user may chose 0 to rescan + while ! [ "${topair}" ]; do + if [ ${#count} -eq 1 ]; then + read -p "Select device to pair with [1, or 0 to rescan]: " topair + else + read -p "Select device to pair with [1-${#count}, or 0 to rescan]: " topair + fi + if ! [ "${topair}" -ge 0 -a "${topair}" -le "${#count}" ] 2>/dev/null ; then + printf "Value out of range: %s.\n" {topair} + unset topair + fi + done + + [ "${topair}" -eq "0" ] && unset bdaddresses retry +done + +eval bdaddress=\${bdaddress_${topair}} +eval bdname=\${bdname_${topair}} +eval friendlyname=\${friendlyname_${topair}} + +# Do we need to add an entry to /etc/bluetooth/hosts? +if ! [ "${bdname}" ]; then + printf "\nAdding device ${bdaddress} to /etc/bluetooth/hosts.\n" + + while ! [ "${bdname}" ]; do + read -p "Enter friendly name. [${friendlyname}]: " REPLY + : ${REPLY:="${friendlyname}"} + + if [ "${REPLY}" ]; then + # Remove white space and non-friendly characters + bdname=$( printf "%s" "${REPLY}" | tr -c '[:alnum:]-,.' _ ) + [ "${REPLY}" != "${bdname}" ] && printf "Notice: Using sanitized name \"%s\" in /etc/bluetooth/hosts.\n" "${bdname}" + fi + done + + printf "%s\t%s\n" "${bdaddress}" "${bdname}" >> /etc/bluetooth/hosts +fi + +# If scanning for the name did not succeed, resort to bdname +: ${friendlyname:="${bdname}"} + +# now over to hcsecd + +# Since hcsecd does not allow querying for known devices, we need to +# check for bdaddr entries manually. +# +# Also we cannot really modify the PIN in an existing entry. So we +# need to prompt the user to manually do it and restart this script +if ! /usr/sbin/service hcsecd enabled; then + printf "\nWarning: hcsecd is not enabled.\nThis daemon manages pairing requests.\n" + read -p "Enable hcsecd? [yes]: " REPLY + case "${REPLY}" in no|n|NO|N|No|nO) ;; *) /usr/sbin/sysrc hcsecd_enable="YES";; esac +fi +secd_config=$( /usr/sbin/sysrc -n hcsecd_config ) +secd_entries=$( /usr/bin/grep -Eo "bdaddr[[:space:]]+(${bdaddress}|${bdname})" ${secd_config} | awk '{ print $2; }' ) + +if [ "${secd_entries}" ]; then + printf "\nWarning: An entry for device %s is already present in %s.\n" ${secd_entries} ${secd_config} + printf "To modify pairing information, edit this file and run\n service hcsecd restart\n" + read -p "Continue? [yes]: " REPLY + case "${REPLY}" in no|n|NO|N|No|nO) exit;; esac +else + printf "\nWriting pairing information description block to %s.\n" ${secd_config} + printf "(To get PIN, put device in pairing mode first.)\n" + read -p "Enter PIN [nopin]: " pin + [ "${pin}" ] && pin=\""${pin}"\" || pin="nopin" + + # Write out new hcsecd config block + printf "\ndevice {\n\tbdaddr\t%s;\n\tname\t\"%s\";\n\tkey\tnokey\;\n\tpin\t%s\;\n}\n" \ + "${bdaddress}" "${friendlyname}" "${pin}" >> ${secd_config} + + # ... and make daemon reload config, TODO: hcsecd should provide a reload hook + /usr/sbin/service hcsecd restart + + # TODO: we should check if hcsecd succeeded pairing and revert to an old version + # of hcsecd.conf so we can undo adding the block above and retry with a new PIN + # also, if there's a way to force devices to re-pair, try this +fi + +# now check for specific services to be provided by the device +# first up: HID + +if /usr/sbin/sdpcontrol -a "${bdaddress}" search HID | \ + /usr/bin/grep -q "^Record Handle: "; then + + printf "\nThis device provides human interface device services.\n" + read -p "Set it up? [yes]: " REPLY + case "${REPLY}" in no|n|NO|N|No|nO) ;; + *) + if ! /usr/sbin/service bthidd enabled; then + printf "\nWarning: bthidd is not enabled." + printf "\nThis daemon manages Bluetooth HID devices.\n" + read -p "Enable bthidd? [yes]: " REPLY + case "${REPLY}" in no|n|NO|N|No|nO) ;; *) /usr/sbin/sysrc bthidd_enable="YES";; esac + fi + + # Check if bthidd already knows about this device + bthidd_known=$( /usr/sbin/bthidcontrol -a "${bdaddress}" known | \ + /usr/bin/grep "${bdaddress}" ) + if [ "${bthidd_known}" ]; then + printf "Notice: Device %s already known to bthidd.\n" "${bdaddress}" + else + bthidd_config=$( /usr/sbin/sysrc -n bthidd_config ) + printf "Writing HID descriptor block to %s ... " "${bthidd_config}" + /usr/sbin/bthidcontrol -a "${bdaddress}" query >> "${bthidd_config}" + + # Re-read config to see if we succeeded adding the device + bthidd_known=$( /usr/sbin/bthidcontrol -a "${bdaddress}" known | \ + grep "${bdaddress}" ) + if ! [ "${bthidd_known}" ]; then + printf "failed.\n" + else + printf "success.\nTo re-read its config, bthidd must be restarted.\n" + printf "Warning: If a Bluetooth keyboard is being used, the connection might be lost.\n" + printf "It can be manually restarted later with\n service bthidd restart\n" + read -p "Restart bthidd now? [yes]: " REPLY + case "${REPLY}" in no|n|NO|N|No|nO) ;; *) /usr/sbin/service bthidd restart;; esac + fi + fi + ;; + esac +fi + +} + +# After function definitions, main() can use them +main "$@" + +exit + +# TODO +# * If device is a keyboard, offer a text entry test field and if it does +# not succeed, leave some clues for debugging (i.e. if the node responds +# to pings, maybe switch keyboard on/off, etc) +# * Same if device is a mouse, i.e. hexdump /dev/sysmouse. +# * If device offers DUN profiles, ask the user if an entry in +# /etc/ppp/ppp.conf should be created +# * If OPUSH or SPP is offered, refer to the respective man pages to give +# some clues how to continue
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