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Linux: Fail gracefully on invalid HIDIOCGRAWUNIQ

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Rasmus Précenth 2021-11-05 13:45:11 +01:00 committed by Dain Nilsson
parent 0ca5ca14b5
commit e78efbfe93
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1 changed files with 6 additions and 3 deletions
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9
fido2/hid/linux.py
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@ -57,9 +57,12 @@ def get_descriptor(path):
name = bytearray(buf[: (length - 1)]).decode("utf-8") if length > 1 else None
# Read unique ID
buf = array("B", [0] * 64)
length = fcntl.ioctl(f, HIDIOCGRAWUNIQ, buf, True)
serial = bytearray(buf[: (length - 1)]).decode("utf-8") if length > 1 else None
try:
buf = array("B", [0] * 64)
length = fcntl.ioctl(f, HIDIOCGRAWUNIQ, buf, True)
serial = bytearray(buf[: (length - 1)]).decode("utf-8") if length > 1 else None
except OSError:
serial = None
# Read report descriptor
buf = array("B", [0] * 4)