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