ubuntu-phone team mailing list archive

[Benjamin Zeller <benjamin.zeller@xxxxxxxxxxxxx>]

Am 12.02.2015 um 08:48 schrieb Joey Chan:
> Maybe show more necessary info about the USB connection, just like 
> Android & IOS, "USB connected, do you trust this machine ? 
> xx:xx:xx:xx:xx:xx(mac or sth else)"

Yeah that can be done I guess, but is that really necessary? If I plug 
in the USB cable by hand I know what machine I'm connecting to right? 
And if I don't trust
the machine I should not plug in my phone at all :) or select "charge 
only" mode.

> 2015-02-12 15:31 GMT+08:00 Benjamin Zeller 
> <benjamin.zeller@xxxxxxxxxxxxx <mailto:benjamin.zeller@xxxxxxxxxxxxx>>:
>
>     Hello all,
>
>     currently we have the following situation on the phone:
>
>     1. If developer mode is disabled, you can not connect to ADB.
>     2. If developer mode is enabled by hand in the settings, you can
>     connect to ADB
>         only if the screen is on and unlocked.
>     3. If developer mode is enabled by setting the --developer-mode
>     switch while
>         flashing you can always connect to ADB.
>
>     I think 2 and 3 are both solutions that work but should not stay
>     forever. Especially nr 2 because
>     its hard to understand whats happening if its not explained to
>     you. And even if there is documentation
>     about it, its hard to miss.
>     Nr 3 is problematic, if you are a developer you probably will
>     flash your device with that switch
>     but by that open it up to the entire world. Why should we not
>     provide security for developers as well?
>
>     Instead the proposal would be to drop 2 and 3, but instead do the
>     following:
>
>     If developer mode is enabled (in system settings manually or with
>     the --developer-mode switch) adb is
>     disabled as long as there is no USB plugged in. When the user
>     plugs in the usb cable a dialog pops up
>     that asks the user:
>
>     "USB connected, choose the mode you want to use: Developer mode,
>     Data transfer, Just charging".
>     The user can of course only choose the mode AFTER he has unlocked
>     the device at least once.
>     ADB now stays enabled until the USB cable is removed.
>
>     Any thoughts about this?
>
>     Benjamin
>
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