Re: Activating a VPN connection without displaying the authentication dialog



On Sun, 2020-08-16 at 22:42 +0300, Ionuț Leonte wrote:
Hello Thomas,

Here is what the NM logs say when I start my script:

Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6844] secret-agent[77a00dfcf3f32cc4]: constructed:
:1.103/dev.ileonte.VPNSSO/1000, owner="ileonte"
(unix-process[pid=3598, uid=1000, start=72345]), unique-name=":1.94",
capabilities=vpn-hints
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <debug>
[1597606476.6845] agent-manager:
agent[77a00dfcf3f32cc4,:1.103/dev.ileonte.VPNSSO/1000]: requesting
permissions
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6845] auth: call[318]:
CheckAuthorization(org.freedesktop.NetworkManager.wifi.share.protecte
d),
subject=unix-process[pid=3598, uid=1000, start=72345]
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6845] auth: call[319]:
CheckAuthorization(org.freedesktop.NetworkManager.wifi.share.open),
subject=unix-process[pid=3598, uid=1000, start=72345]
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6846] secret-agent[77a00dfcf3f32cc4]: name-owner-changed:
has :1.103
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6854] auth: call[318]: completed: authorized=1,
challenge=0
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6858] auth: call[319]: completed: authorized=1,
challenge=0
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <info>
[1597606476.6858] agent-manager:
agent[77a00dfcf3f32cc4,:1.103/dev.ileonte.VPNSSO/1000]: agent
registered
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <debug>
[1597606476.6858] policy: re-enabling autoconnect for all connections
(only clear no-secrets flag)
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6861] secret-agent[77a00dfcf3f32cc4]: name-owner-changed:
disconnected
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <debug>
[1597606476.6861] agent-manager:
agent[77a00dfcf3f32cc4,:1.103/dev.ileonte.VPNSSO/1000]: agent
unregistered or disappeared
Aug 16 22:34:36 ltkcentral NetworkManager[3209]: <trace>
[1597606476.6862] secret-agent[77a00dfcf3f32cc4]: finalized

(hopefully gmail doesn't butcher them too badly)

I'm not sure why agent-manager thinks my agent has disconnected, the
script
is still running, I can see my object using qdbusviewer and I can
call methods
on it manually.


Hi,

I wouldn't think that you can still see ":1.103" connected to the bus.
Did you check the system bus?

I think your client drops off immediately, because nothing keeps the
"proxy" instance alive (it gets destructed right away). And that holds
the only reference to the GDBusConnection singleton from g_bus_get() --
the one that you request via Gio.BusType.SYSTEM. When the
GDBusConnection disconnects, it disconnects from the system bus.

(note that with Gio.bus_own_name(), you also (internally) end up
accessing a GDBusConnection singleon, but this time it's for the
Gio.BusType.SESSION bus -- anyway, bus_own_name() is unnecessary).


best,
Thomas

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