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virtual-device: Emit data not found during verify/identify

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If trying to identify a print not in the storage we emit data not found
error, this can be helpful to do further fprintd testing too
This commit is contained in:
Marco Trevisan (Treviño) 2021-01-27 14:49:03 +01:00
parent ec4c7ca5a9
commit 31e34bd4bd
3 changed files with 80 additions and 26 deletions
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41
libfprint/drivers/virtual-device-storage.c
View file

@ -33,22 +33,23 @@
G_DEFINE_TYPE (FpDeviceVirtualDeviceStorage, fpi_device_virtual_device_storage, fpi_device_virtual_device_get_type ())
static GPtrArray * get_stored_prints (FpDeviceVirtualDevice * self);
static void
dev_identify (FpDevice *dev)
{
g_autoptr(GError) error = NULL;
FpDeviceVirtualDevice *self = FP_DEVICE_VIRTUAL_DEVICE (dev);
GPtrArray *prints;
g_autofree char *scan_id = NULL;
scan_id = start_scan_command (self, &error);
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_PENDING))
return;
fpi_device_get_identify_data (dev, &prints);
if (scan_id)
{
g_autoptr(GPtrArray) stored = get_stored_prints (self);
GPtrArray *prints;
GVariant *data = NULL;
FpPrint *new_scan;
FpPrint *match = NULL;
@ -56,14 +57,19 @@ dev_identify (FpDevice *dev)
new_scan = fp_print_new (dev);
fpi_print_set_type (new_scan, FPI_PRINT_RAW);
if (self->prints_storage)
fpi_print_set_device_stored (new_scan, TRUE);
data = g_variant_new_string (scan_id);
g_object_set (new_scan, "fpi-data", data, NULL);
fpi_device_get_identify_data (dev, &prints);
g_debug ("Trying to identify print '%s' against a gallery of %u prints", scan_id, prints->len);
if (g_ptr_array_find_with_equal_func (prints,
if (!g_ptr_array_find_with_equal_func (stored,
new_scan,
(GEqualFunc) fp_print_equal,
NULL))
error = fpi_device_error_new (FP_DEVICE_ERROR_DATA_NOT_FOUND);
else if (g_ptr_array_find_with_equal_func (prints,
new_scan,
(GEqualFunc) fp_print_equal,
&idx))
@ -118,13 +124,28 @@ dev_list_insert_print (gpointer key,
g_ptr_array_add (data->res, print);
}
static GPtrArray *
get_stored_prints (FpDeviceVirtualDevice *self)
{
GPtrArray * prints_list;
struct ListData data;
prints_list = g_ptr_array_new_full (g_hash_table_size (self->prints_storage),
g_object_unref);
data.dev = FP_DEVICE (self);
data.res = prints_list;
g_hash_table_foreach (self->prints_storage, dev_list_insert_print, &data);
return prints_list;
}
static void
dev_list (FpDevice *dev)
{
g_autoptr(GPtrArray) prints_list = NULL;
g_autoptr(GError) error = NULL;
FpDeviceVirtualDevice *vdev = FP_DEVICE_VIRTUAL_DEVICE (dev);
struct ListData data;
process_cmds (vdev, FALSE, &error);
if (should_wait_for_command (vdev, error))
@ -136,13 +157,7 @@ dev_list (FpDevice *dev)
return;
}
prints_list = g_ptr_array_new_full (g_hash_table_size (vdev->prints_storage), g_object_unref);
data.dev = dev;
data.res = prints_list;
g_hash_table_foreach (vdev->prints_storage, dev_list_insert_print, &data);
fpi_device_list_complete (dev, g_steal_pointer (&prints_list), NULL);
fpi_device_list_complete (dev, get_stored_prints (vdev), NULL);
}
static void

13
libfprint/drivers/virtual-device.c
View file

@ -478,22 +478,21 @@ dev_verify (FpDevice *dev)
{
g_autoptr(GError) error = NULL;
FpDeviceVirtualDevice *self = FP_DEVICE_VIRTUAL_DEVICE (dev);
FpPrint *print;
g_autofree char *scan_id = NULL;
scan_id = start_scan_command (self, &error);
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_PENDING))
return;
fpi_device_get_verify_data (dev, &print);
if (scan_id)
{
GVariant *data = NULL;
FpPrint *new_scan;
FpPrint *print;
gboolean success;
g_debug ("Virtual device scanned print %s", scan_id);
fpi_device_get_verify_data (dev, &print);
new_scan = fp_print_new (dev);
fpi_print_set_type (new_scan, FPI_PRINT_RAW);
@ -502,7 +501,15 @@ dev_verify (FpDevice *dev)
data = g_variant_new_string (scan_id);
g_object_set (new_scan, "fpi-data", data, NULL);
if (self->prints_storage && !g_hash_table_contains (self->prints_storage, scan_id))
{
error = fpi_device_error_new (FP_DEVICE_ERROR_DATA_NOT_FOUND);
success = FALSE;
}
else
{
success = fp_print_equal (print, new_scan);
}
if (!self->match_reported)
{

36
tests/virtual-device.py
View file

@ -273,7 +273,7 @@ class VirtualDevice(unittest.TestCase):
def check_verify(self, p, scan_nick, match, identify=False):
if isinstance(scan_nick, str):
self.send_command('SCAN', scan_nick)
else:
elif scan_nick is not None:
self.send_auto(scan_nick)
self.start_verify(p, identify)
@ -330,6 +330,13 @@ class VirtualDevice(unittest.TestCase):
def test_enroll_verify_no_match(self):
matching = self.enroll_print('testprint', FPrint.Finger.LEFT_RING)
if self.dev.has_storage():
with self.assertRaises(GLib.Error) as error:
self.check_verify(matching, 'not-testprint', match=False,
identify=self.dev.supports_identify())
self.assertTrue(error.exception.matches(FPrint.DeviceError.quark(),
FPrint.DeviceError.DATA_NOT_FOUND))
else:
self.check_verify(matching, 'not-testprint', match=False,
identify=self.dev.supports_identify())
@ -546,6 +553,12 @@ class VirtualDevice(unittest.TestCase):
self.wait_timeout(10)
self.assertFalse(self._verify_completed)
if self.dev.has_storage():
with self.assertRaises(GLib.Error) as error:
self.complete_verify()
self.assertTrue(error.exception.matches(FPrint.DeviceError.quark(),
FPrint.DeviceError.DATA_NOT_FOUND))
else:
self.complete_verify()
self.assertTrue(self._verify_reported)
@ -657,8 +670,10 @@ class VirtualDeviceStorage(VirtualDevice):
p = self.enroll_print('testprint', FPrint.Finger.RIGHT_THUMB)
self.send_command('REMOVE', 'testprint')
with self.assertRaisesRegex(GLib.GError, 'Print was not found'):
with self.assertRaises(GLib.Error) as error:
self.dev.delete_print_sync(p)
self.assertTrue(error.exception.matches(FPrint.DeviceError.quark(),
FPrint.DeviceError.DATA_NOT_FOUND))
def test_identify_match(self):
rt = self.enroll_print('right-thumb', FPrint.Finger.RIGHT_THUMB)
@ -679,6 +694,23 @@ class VirtualDeviceStorage(VirtualDevice):
self.check_verify(FPrint.Print.new(self.dev),
FPrint.DeviceRetry.TOO_SHORT, identify=True, match=False)
def test_delete_multiple_times(self):
rt = self.enroll_print('right-thumb', FPrint.Finger.RIGHT_THUMB)
self.dev.delete_print_sync(rt)
with self.assertRaisesRegex(GLib.Error, 'Print was not found'):
self.dev.delete_print_sync(rt)
def test_verify_missing_print(self):
with self.assertRaisesRegex(GLib.Error, 'Print was not found'):
self.check_verify(FPrint.Print.new(self.dev),
'not-existing-print', False, identify=False)
def test_identify_missing_print(self):
with self.assertRaisesRegex(GLib.Error, 'Print was not found'):
self.check_verify(FPrint.Print.new(self.dev),
'not-existing-print', False, identify=True)
if __name__ == '__main__':
try: