Good news! We renamed this script with format vid:pid and then it works.
Also, we can see the FCC lock related log with debug level now.
Thanks!
At 2024-04-13 17:28:45, "Slark Xiao" <slark_x...@163.com> wrote:
>
>Hi Aleksander,
>Refer to your advice, and the FCC unlock procedure page,we were merging our
>binary tool into the Debian test platform(Ubuntu). But we got a failure to
> unlock FCC.
>We put the script into the path /usr/lib/x86_64-linux-gnu/ModemManager/
>fcc-unlock.d. And this script will call our binary file FccLock in /usr/bin.
>
>below is the script contents:
>
>#!/bin/sh
># require program name and at least 2 arguments
>[ $# -lt 2 ] && exit 1
>
># first argument is DBus path, not needed here
>shift
>
># second and next arguments are control port names
>for PORT in "$@"; do
> # match port type in Linux 5.14 and newer
> grep -q MBIM "/sys/class/wwan/$PORT/type" 2>/dev/null && {
> MBIM_PORT=$PORT
> break
> }
> # match port name in Linux 5.13
> echo "$PORT" | grep -q MBIM && {
> MBIM_PORT=$PORT
> break
> }
>done
>
># fail if no MBIM port exposed
>[ -n "$MBIM_PORT" ] || exit 2
>
>UNLOCK_RESULT=1
>/usr/bin/FccLock -d /dev/$MBIM_PORT
>
>UNLOCK_RESULT=$?
>if [ $UNLOCK_RESULT -ne 0 ]; then
> echo "SDX65 FCC unlock FAILED" >&2
>fi
>
>exit $UNLOCK_RESULT
>
>
>And we set the user and group of this file as root. Permission is 700.
>When we restart MM, we can find that device always being locked.
>But if we call this script with sudo, fcc lock would be unlocked right now.
>I also checked the log of MM, and it seems no FCC related logs would be
>printed. Could you help me with some guidance and assistance?
>
>
>At 2023-09-22 21:09:45, "Aleksander Morgado" <aleksande...@chromium.org> wrote:
>>Hey
>>
>>> I have a concern about can we commit binary files into
>>> /data/dispatcher-fcc-unlock folder?
>>
>>All the FCC unlock scripts/programs shipped by ModemManager are
>>GPLv2+. If you can distribute your program under the GPLv2+, we could
>>set it up to build from source along with the ModemManager project.
>>
>>If you want to dump a proprietary precompiled binary in the fcc-unlock
>>folder, the answer is "no" :)
>>
>>Cheers!
>>
>>--
>>Aleksander
