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|
import ./make-test-python.nix ({ pkgs, ... }: {
name = "usbguard";
meta = with pkgs.lib.maintainers; {
maintainers = [ tnias ];
};
nodes.machine =
{ ... }:
{
services.usbguard = {
enable = true;
IPCAllowedUsers = [ "alice" "root" ];
# As virtual USB devices get attached to the "QEMU USB Hub" we need to
# allow Hubs. Otherwise we would have to explicitly allow them too.
rules = ''
allow with-interface equals { 09:00:00 }
'';
};
imports = [ ./common/user-account.nix ];
};
testScript = ''
# create a blank disk image for our fake USB stick
with open(machine.state_dir / "usbstick.img", "wb") as stick:
stick.write(b"\x00" * (1024 * 1024))
# wait for machine to have started and the usbguard service to be up
machine.wait_for_unit("usbguard.service")
with subtest("IPC access control"):
# User "alice" is allowed to access the IPC interface
machine.succeed("su alice -c 'usbguard list-devices'")
# User "bob" is not allowed to access the IPC interface
machine.fail("su bob -c 'usbguard list-devices'")
with subtest("check basic functionality"):
# at this point we expect that no USB HDD is connected
machine.fail("usbguard list-devices | grep -E 'QEMU USB HARDDRIVE'")
# insert usb device
machine.send_monitor_command(
f"drive_add 0 id=stick,if=none,file={stick.name},format=raw"
)
machine.send_monitor_command("device_add usb-storage,id=stick,drive=stick")
# the attached USB HDD should show up after a short while
machine.wait_until_succeeds("usbguard list-devices | grep -E 'QEMU USB HARDDRIVE'")
# at this point there should be a **blocked** USB HDD
machine.succeed("usbguard list-devices | grep -E 'block.*QEMU USB HARDDRIVE'")
machine.fail("usbguard list-devices | grep -E ' allow .*QEMU USB HARDDRIVE'")
# allow storage devices
machine.succeed("usbguard allow-device 'with-interface { 08:*:* }'")
# at this point there should be an **allowed** USB HDD
machine.succeed("usbguard list-devices | grep -E ' allow .*QEMU USB HARDDRIVE'")
machine.fail("usbguard list-devices | grep -E ' block .*QEMU USB HARDDRIVE'")
'';
})
|
