diff options
| author | Thilo-Alexander Ginkel <thilo@ginkel.com> | 2022-05-29 20:40:51 +0200 |
|---|---|---|
| committer | Aleksander Morgado <aleksander@aleksander.es> | 2022-05-30 23:29:36 +0200 |
| commit | ac06052b97cc02e60ae1ed7a551727b3c14d6a22 (patch) | |
| tree | f5c8043d4502adff31601c30d4774062f691411c /data | |
| parent | 9fa1b32e34e24a710b1badece7becaa44e83fb94 (diff) | |
fcc-unlock: add support for new Lenovo T99W175 SDX55 FCC unlock method
Tested w/ Lenovo firmware T99W175.F0.1.0.0.9.DT.003.055 (old unlock method) and
T99W175.F0.1.0.0.9.DT.003.079 (new unlock method)
Diffstat (limited to 'data')
| -rw-r--r-- | data/dispatcher-fcc-unlock/105b | 73 |
1 files changed, 69 insertions, 4 deletions
diff --git a/data/dispatcher-fcc-unlock/105b b/data/dispatcher-fcc-unlock/105b index 772c90f4..aa88261f 100644 --- a/data/dispatcher-fcc-unlock/105b +++ b/data/dispatcher-fcc-unlock/105b @@ -2,8 +2,13 @@ # SPDX-License-Identifier: CC0-1.0 # 2021 Aleksander Morgado <aleksander@aleksander.es> +# 2022 Thilo-Alexander Ginkel <thilo@ginkel.com> +# 2022 Bjørn Mork <bjorn@mork.no> # -# Foxconn SDX55 FCC unlock operation +# Foxconn SDX55 (Lenovo T99W175) FCC unlock operation +# +# The script will first try to unlock the WWAN modem using the new (hash-based) +# v2 method and fall back to the old (v1) method if that fails # # require program name and at least 2 arguments @@ -29,6 +34,66 @@ done # fail if no MBIM port exposed [ -n "$MBIM_PORT" ] || exit 2 -# run qmicli operation over MBIM -qmicli --device-open-proxy --device="/dev/$MBIM_PORT" --dms-foxconn-set-fcc-authentication=0 -exit $? +log_v2_failure() { + echo "$1. Falling back to old unlock method" >&2 +} + +FIRMWARE_VERSION=$(qmicli --device-open-proxy --device="/dev/$MBIM_PORT" \ + --dms-foxconn-get-firmware-version=firmware-mcfg \ + | grep "Version:" \ + | grep -o "'.*'" \ + | sed "s/'//g" \ + | sed -e 's/\.[^.]*\.[^.]*$//') + +if [ -n "${FIRMWARE_VERSION}" ]; then + FIRMWARE_APPS_VERSION=$(qmicli --device-open-proxy --device="/dev/$MBIM_PORT" \ + --dms-foxconn-get-firmware-version=apps \ + | grep "Version:" \ + | grep -o "'.*'" \ + | sed "s/'//g") + + if [ -n "${FIRMWARE_APPS_VERSION}" ]; then + IMEI=$(qmicli --device-open-proxy --device="/dev/$MBIM_PORT" --dms-get-ids \ + | grep "IMEI:" \ + | grep -o "'.*'" \ + | sed "s/'//g") + + if [ -n "${IMEI}" ]; then + SALT="salt" # use a static salt for now + MAGIC="foxc" + HASH="${SALT}$(printf "%s%s%s%s%s" "${FIRMWARE_VERSION}" \ + "${FIRMWARE_APPS_VERSION}" "${IMEI}" "${SALT}" "${MAGIC}" \ + | md5sum \ + | head -c 32)" + else + log_v2_failure "Could not determine SDX55 IMEI" + fi + else + log_v2_failure "Could not determine SDX55 firmware apps version" + fi +else + log_v2_failure "Could not determine SDX55 firmware version" +fi + +UNLOCK_RESULT=1 +if [ -n "${HASH}" ]; then + qmicli --device-open-proxy --device="/dev/$MBIM_PORT" \ + --dms-foxconn-set-fcc-authentication-v2="${HASH},48" + UNLOCK_RESULT=$? + + if [ $UNLOCK_RESULT -ne 0 ]; then + log_v2_failure "SDX55 FCC unlock v2 failed" + fi +fi + +if [ $UNLOCK_RESULT -ne 0 ]; then + qmicli --device-open-proxy --device="/dev/$MBIM_PORT" \ + --dms-foxconn-set-fcc-authentication=0 + UNLOCK_RESULT=$? + + if [ $UNLOCK_RESULT -ne 0 ]; then + echo "SDX55 FCC unlock v1 failed" >&2 + fi +fi + +exit $UNLOCK_RESULT |