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file_storage: Ensure username/finger match our expectations

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Otherwise we would need to track this separately, which would be a bit
of a pain.

The alternative would be simply overriding the values.
This commit is contained in:
Benjamin Berg 2021-07-30 18:34:38 +02:00
parent 3c8ac241b8
commit 5f6e80de01
1 changed files with 8 additions and 0 deletions
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8
src/file_storage.c
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@ -220,6 +220,14 @@ file_storage_print_data_load (FpDevice *dev,
if (r)
return r;
/* Make sure the username/finger matches our expectations. */
if (fp_print_get_finger (new) != finger)
return -EINVAL;
if (g_strcmp0 (fp_print_get_username (new), username) != 0)
return -EINVAL;
/* And that the print is compatible with the device. */
if (!fp_print_compatible (new, dev))
return -EINVAL;