Files
tmakinandNolen Johnson eb832942c1 jc_setup: update for 15
- Add back service
- Add HID attributes
- Add key attributes
- Add sepolicy
- Associate the script w/ the bluetooth group to
  avoid DAC overrides

* Sadly there is no clean way to have a vendor HAL
  accessing mnt_vendor_file to write to bluetooth
  configs @ /data/misc w/o triggering neverallows.
* Not gonna enable neverallows for for this, so just
  making the domain permissive until/if someone cares.

* Note: MAYBE a vendor HAL could read it from mnt_vendor_file
  and expose it to a system_ext app, which then could use the
  undocumented auto-pairing API to do this, but man, IDC.

Co-Authored-By: Nolen Johnson <johnsonnolen@mgmail.com>
Change-Id: Ibc092c1b60e886e1089bdea1014d0c606e0365d0
2025-04-25 23:59:33 -04:00

96 lines
3.6 KiB
Bash

#!/system_ext/bin/bash
set -e
# https://stackoverflow.com/a/28409737
# section key value path -> string
function set_ini_val {
sed -i '/^\['${1}']/,/^\[/{s/^'${2}'[[:space:]]*=.*/'${2}' = '${3}'/}' ${4}
}
# https://stackoverflow.com/a/40778047
# section key path -> string
function get_ini_val {
sed -nr '/^\['${1}']/ { :l /^'${2}'[ ]*=/ { s/.*=[ ]*//; s/\r//g; p; q;}; n; b l;}' ${3}
}
# section path -> int
function ini_has_section {
grep -F "[${1}]" ${2} &> /dev/null
return $?
}
# https://stackoverflow.com/a/19032792
# string -> string
function string_to_lower {
echo $1 | sed 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'
}
# https://stackoverflow.com/a/34327002
# string -> string
function string_to_le {
i=${#1}
while [ $i -gt 0 ]
do
i=$[$i-2]
echo -n ${1:$i:2}
done
}
jc_ini="${1}"
bdroid_ini="${2}"
jc_sections=("joycon_00" "joycon_01")
for jc_section in ${jc_sections[@]}; do
jc_type=$(get_ini_val ${jc_section} type ${jc_ini})
if [ ${jc_type} = "0" ]; then
echo ${jc_section} not found!
continue
fi
jc_mac=$(string_to_lower $(get_ini_val ${jc_section} mac ${jc_ini}))
jc_ltk=$(string_to_le $(string_to_lower $(get_ini_val ${jc_section} ltk ${jc_ini})))
if ini_has_section ${jc_mac} ${bdroid_ini}; then
echo "Joycon entry present in bluedroid ini, update LTK"
set_ini_val ${jc_mac} LinkKey ${jc_ltk} ${bdroid_ini}
else
echo "Joycon entry not present in bluedroid ini, create it"
echo "" >> ${bdroid_ini}
echo "[${jc_mac}]" >> ${bdroid_ini}
echo "LinkKey = ${jc_ltk}" >> ${bdroid_ini}
echo "LinkKeyType = 4" >> ${bdroid_ini}
echo "Service = 00001124-0000-1000-8000-00805f9b34fb 00000000-0000-1000-8000-00805f9b34fb 00000000-0000-1000-8000-00805f9b34fb" >> ${bdroid_ini}
echo "DevClass = 1288" >> ${bdroid_ini}
echo "DevType = 1" >> ${bdroid_ini}
echo "AddrType = 0" >> ${bdroid_ini}
echo "SecureConnectionsSupported = 0" >> ${bdroid_ini}
echo "LinkKeyType = 4" >> ${bdroid_ini}
echo "PinLength = 0" >> ${bdroid_ini}
echo "MaxSessionKeySize = 16" >> ${bdroid_ini}
echo "SdpDiManufacturer = 1406" >> ${bdroid_ini}
echo "SdpDiHardwareVersion = 1" >> ${bdroid_ini}
echo "SdpDiVendorIdSource = 2" >> ${bdroid_ini}
echo "HidDbVersion = 1" >> ${bdroid_ini}
echo "HidAttrMask = 32885" >> ${bdroid_ini}
echo "HidSubClass = 8" >> ${bdroid_ini}
echo "HidAppId = 6" >> ${bdroid_ini}
echo "HidVendorId = 1406" >> ${bdroid_ini}
echo "HidVersion = 1" >> ${bdroid_ini}
echo "HidCountryCode = 33" >> ${bdroid_ini}
echo "HidSSRMaxLatency = 65535" >> ${bdroid_ini}
echo "HidSSRMinTimeout = 65535" >> ${bdroid_ini}
echo "HidDescriptor = 05010905a1010601ff8521092175089530810285300930750895308102853109317508966901810285320932750896690181028533093375089669018102853f05091901291015002501750195108102050109391500250775049501814205097504950181010501093009310933093416000027ffff00007510950481020601ff85010901750895309102851009107508953091028511091175089530910285120912750895309102c0" >> ${bdroid_ini}
echo "HidReConnectAllowed = 1" >> ${bdroid_ini}
if [ ${jc_type} = "1" ]; then
echo "Name = Joy-Con (L)" >> ${bdroid_ini}
echo "SdpDiModel = 8198" >> ${bdroid_ini}
echo "HidProductId = 8198" >> ${bdroid_ini}
else
echo "Name = Joy-Con (R)" >> ${bdroid_ini}
echo "SdpDiModel = 8199" >> ${bdroid_ini}
echo "HidProductId = 8199" >> ${bdroid_ini}
fi
fi
done