ConnMan does a "known networks" scan, so indeed it leaks the known SSIDs.
>We could easily add a main.conf parameter to prevent that.
Sounds good. What would be the trade-offs? More time needed to authenticate?
More time to autoconnect on known-networks basically.
For instance, one passive scan might miss some results (the time frame
just missed some beacons etc...).
But fortunately in ConnMan handles automatic scans, as long as the user
has not disabled it from main.conf
of course. Maybe some seconds more to autoconnect on worst cases.
There is an issue however: the hidden SSIDs. These ones, to autoconnect,
definitely need an active scan.
We could run it if only a hidden service is created for instance. But
that means we could still leak some SSIDs
- the hidden ones - if we are not located where these could be found.
The best ever solution would be to get ConnMan knows always its location
and could then run active scans
relevantly (i.e. running an active scan for the home AP since it knows
this AP is located there and it is where
we are currently etc...).
Tomasz
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