On Sat, 2019-06-15 at 14:36 +0200, Daniel Vázquez via networkmanager-
list wrote:
> Hi guys!!
>
> I'll want to setup a connect security policy like whitelist rules or
> similar, some like:
> - Users can connect only to any AP with security WPA2
> - User can connect only to any AP in this list [{ssid:wnet01,
> mac:E8:AD:A6:BC:EF:F2}, {ssid:wnet02, mac:B0:BE:76:73:20:8E}, ...]
>
> First, I looking for any configuration option available on nm, but I
> don't found any. Then, I write little script to test it running on
> /etc/NetworkManager/dispatcher.d/pre-up.d/ that runs when AP
> connection is stablished. But, I can see that the script is executed
> after connection is fully stablished and a valid ip obtained. It's
> not desired, I want to test if AP are OK with our policies before
> stablish fully connection, at least before a fully stablished
> connection with IP obtained and other pre-shared data. We want to
> test the policies are ok running script on preparing connection state
> or pre-authentication state or similar earlier stage.
>
> I monitorized nm connection process, and I can see nm manages next
> stages:
>
> wlo1: connecting (prepare)
> wlo1: using connection 'wnet02'
> wlo1: NetworkManager: is now in the 'connecting' state
> wlo1: connecting (need authentication)
> wlo1: connecting (prepare)
> wlo1: connecting (configuring)
> wlo1: connecting (getting IP configuration)
> wlo1: connecting (checking IP connectivity)
> wlo1: connecting (starting secondary connections)
> wlo1: conected
> ...
> ...
>
> How can we run script on first four stages?
> Exist any other way, aproach or recommendation to apply this security
> policies?
>
> Thank you guys!!aHi, NetworkManager uses PolicyKit, see the available policy-kit actions: $ nmcli general permissions and their comment at https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/data/org.freedesktop.NetworkManager.policy.in.in?id=7d3a957c98edbc2874e8826e29c90e2fc39c4d70 Also, a profile can be either restricted to a user, by setting nmcli connection modify x_dummy connection.permissions "$USERNAME" or it is not. Depending on whether a profile is restricted, the user requires different permissions to be able to perform certain actions. For example, org.freedesktop.NetworkManager.settings.modify.system vs org.freedesktop.NetworkManager.settings.modify.own Another relevant permission to your question is org.freedesktop.NetworkManager.network-control Note that the root user (user-id 0) always gets a pass, regardless of what you configure in PolicyKit. In PolicyKit you can write your own scripts to answer requests in any way you want, but only the existing permissions (PolicyKit actions) that NetworkManager knows are available there. I am not sure the system is flexible enough to do exactly what you want. Maybe. best, Thomas
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