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catch exceptions while parsing ax25 frames

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This commit is contained in:
Jakob Ketterl 2021-10-22 15:07:42 +02:00
parent d757b817b1
commit f967a8d87a
1 changed files with 9 additions and 6 deletions
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3
owrx/aprs/__init__.py
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@ -56,12 +56,15 @@ class Ax25Parser(PickleModule):
for i in range(0, len(l), n): for i in range(0, len(l), n):
yield l[i:i + n] yield l[i:i + n]
try:
return { return {
"destination": self.extractCallsign(ax25frame[0:7]), "destination": self.extractCallsign(ax25frame[0:7]),
"source": self.extractCallsign(ax25frame[7:14]), "source": self.extractCallsign(ax25frame[7:14]),
"path": [self.extractCallsign(c) for c in chunks(ax25frame[14:control_pid], 7)], "path": [self.extractCallsign(c) for c in chunks(ax25frame[14:control_pid], 7)],
"data": ax25frame[control_pid + 2 :], "data": ax25frame[control_pid + 2 :],
} }
except (ValueError, IndexError):
logger.exception("error parsing ax25 frame")
def extractCallsign(self, input): def extractCallsign(self, input):
cs = bytes([b >> 1 for b in input[0:6]]).decode(encoding, "replace").strip() cs = bytes([b >> 1 for b in input[0:6]]).decode(encoding, "replace").strip()