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Prevent UnicodeDecodeError parsing iptables rule with comments

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If one or more iptables rule contains a comment with a non-unicode character, an UnicodeDecodeError would be raised.
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jraylan 2025-02-08 01:14:42 -03:00 committed by GitHub
parent bd05a7276a
commit 11d550cca7
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1 changed files with 1 additions and 1 deletions
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sshuttle/linux.py
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@ -20,7 +20,7 @@ def ipt_chain_exists(family, table, name):
argv = [cmd, '-w', '-t', table, '-nL'] argv = [cmd, '-w', '-t', table, '-nL']
try: try:
output = ssubprocess.check_output(argv, env=get_env()) output = ssubprocess.check_output(argv, env=get_env())
for line in output.decode('ASCII').split('\n'): for line in output.decode('ASCII', errors='replace').split('\n'):
if line.startswith('Chain %s ' % name): if line.startswith('Chain %s ' % name):
return True return True
except ssubprocess.CalledProcessError as e: except ssubprocess.CalledProcessError as e: