depau/libfprint
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

device: Gracefully handle identify on devices with no support

Browse source 
We were crashing as trying to still call the identify vfunc, so check if
identification is supported and if not return a relative error.

Added test as well
This commit is contained in:
Marco Trevisan (Treviño) 2021-04-01 17:43:07 +02:00
parent 59767af552
commit 4031bb62d7
2 changed files with 17 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
libfprint/fp-device.c
View file

@ -1038,6 +1038,14 @@ fp_device_identify (FpDevice *device,
return;
}
if (!fp_device_supports_identify (device))
{
g_task_return_error (task,
fpi_device_error_new_msg (FP_DEVICE_ERROR_NOT_SUPPORTED,
"Device has not identification support"));
return;
}
priv->current_action = FPI_DEVICE_ACTION_IDENTIFY;
priv->current_task = g_steal_pointer (&task);
maybe_cancel_on_cancelled (device, cancellable);

9
tests/virtual-device.py
View file

@ -849,6 +849,15 @@ class VirtualDevice(VirtualDeviceBase):
self.assertEqual(close_res.code, int(FPrint.DeviceError.BUSY))
def test_identify_unsupported(self):
if self.dev.supports_identify():
self.skipTest('Device supports identification')
with self.assertRaises(GLib.Error) as error:
self.dev.identify_sync([FPrint.Print.new(self.dev)])
self.assertTrue(error.exception.matches(FPrint.DeviceError.quark(),
FPrint.DeviceError.NOT_SUPPORTED))
class VirtualDeviceClosed(VirtualDeviceBase):