diff options
Diffstat (limited to 'usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh')
| -rwxr-xr-x | usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh b/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh new file mode 100755 index 000000000000..148325fcecbc --- /dev/null +++ b/usr.sbin/bluetooth/bluetooth-config/bluetooth-config.sh @@ -0,0 +1,316 @@ +#!/bin/sh +#- +# ---------------------------------------------------------------------------- +# "THE BEER-WARE LICENSE" (Revision 42): +# <erdgeist@erdgeist.org> wrote this file. As long as you retain this notice you +# can do whatever you want with this stuff. If we meet some day, and you think +# this stuff is worth it, you can buy me a beer in return Poul-Henning Kamp +# ---------------------------------------------------------------------------- +# +# + +# 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; } + +main() { +unset node device started bdaddresses retry + +# Only one command at the moment is scan (+ add) +[ "$1" = "scan" ] || print_syntax +shift + +# Get command line options +while getopts :d:n: arg; do + case ${arg} in + d) device="$OPTARG";; + n) node="$OPTARG";; + ?) print_syntax;; + esac +done +shift "$((OPTIND-1))" + +# If there's leftover parameters, print usage +[ "$#" -eq 0 ] || print_syntax +shift + + +# No use running without super user rights +if [ $( id -u ) -ne 0 ]; then + exerr "$0 must modify files that belong to root. Re-run as root." +fi + +known_nodes=$( /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' ' -f2 ) + + [ "${ng_nodes}" ] || exerr "No Bluetooth host controllers found." + + unset found + for n in ${ng_nodes}; do + if [ "${n}" = "${node%hci}" ]; then + # 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" + printf " %s\n" "${ng_nodes}" + prompt="Choose a host controller to set up: [${ng_nodes%% *}]" + read -p "${prompt}" 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 " ${#count} ${plural} + printf "(now scanning for names):\n" + + # 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 + 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 + prompt="Select device to pair with [1" + [ ${#count} -gt 1 ] && prompt="${prompt}-${#count}" + read -p "${prompt}, or 0 to rescan]: " topair + 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}]: " _r + : ${_r:="${friendlyname}"} + + if [ "${_r}" ]; then + # Remove white space and non-friendly characters + bdname=$( printf "%s" "${_r}" | tr -c '[:alnum:]-,.' _ ) + if [ "${_r}" != "${bdname}" ]; then + printf "Notice: Using sanitized name" + printf "\"%s\" in /etc/bluetooth/hosts.\n" \ + "${bdname}" + fi + 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.\n" + printf "This daemon manages pairing requests.\n" + read -p "Enable hcsecd? [yes]: " _r + case "${_r}" in + no|n|NO|N|No|nO) ;; + *) /usr/sbin/service hcsecd enable;; + esac +fi + +secd_config=$( /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} ${secd_config} + printf "To modify pairing information, edit this file and run\n" + printf " service hcsecd restart\n" + read -p "Continue? [yes]: " _r + case "${_r}" 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}" >> ${secd_config} + + # ... and make daemon reload config + # TODO: hcsecd should provide a reload hook + /usr/sbin/service hcsecd onerestart + + # TODO: we should check if hcsecd succeeded pairing and revert to an + # old version of hcsecd.conf so we can undo adding the block above and + # retry with a new PIN + # also, if there's a way to force devices to re-pair, try this +fi + +# now check for specific services to be provided by the device +# first up: HID + +/usr/sbin/sdpcontrol -a "${bdaddress}" search HID | \ + /usr/bin/grep -q "^Record Handle: " || exit 0 + +printf "\nThis device provides human interface device services.\n" +read -p "Set it up? [yes]: " _r +case "${_r}" in + no|n|NO|N|No|nO) exit 0;; + *);; +esac + +# Here we have found an HID and were asked to set it up +# NOTE: look out for the two exit 0 above if you extend this script + +if ! /usr/sbin/service bthidd enabled; then + printf "\nWarning: bthidd is not enabled." + printf "\nThis daemon manages Bluetooth HID devices.\n" + read -p "Enable bthidd? [yes]: " _r + case "${_r}" in + no|n|NO|N|No|nO) ;; + *) /usr/sbin/service bthidd enable;; + 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" "${bdaddress}" + return 0 +fi + +bthidd_config=$( /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 ! [ "${bthidd_known}" ]; then + printf "failed.\n" +else + printf "success.\nTo re-read its config, bthidd must be restarted.\n" + printf "Warning: If a Bluetooth keyboard is being used, the connection" + printf "might be lost.\n" + printf "It can be manually restarted later with\n" + printf " service bthidd restart\n" + read -p "Restart bthidd now? [yes]: " _r + case "${_r}" in + no|n|NO|N|No|nO) ;; + *) /usr/sbin/service bthidd onerestart;; + esac +fi + +} + +# After function definitions, main() can use them +main "$@" +exit 0 + +# 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 |