Franzi
67d8293201
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37 lines
946 B
Python
37 lines
946 B
Python
#!/usr/bin/env python3
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from datetime import datetime
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from subprocess import check_output
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from sys import argv, exit
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INTERFACE = argv[1]
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PUBKEY = argv[2]
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NOW = datetime.timestamp(datetime.now())
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try:
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result = check_output(['wg', 'show', INTERFACE, 'latest-handshakes']).decode('utf-8').splitlines()
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except Exception as e:
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print('UNKNOWN: {}'.format(repr(e)))
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exit(3)
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found_key = False
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for line in result:
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pubkey, last_handshake = line.split()
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if pubkey == PUBKEY:
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overdue = NOW - int(last_handshake) - 120
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if overdue > 120:
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print('handshake is more than 120 seconds late!')
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exit(2)
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elif overdue > 15:
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print('handshake is more than 15 seconds late.')
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exit(1)
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else:
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print('received handshake a couple seconds ago')
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exit(0)
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print('CRITICAL: {} not found in latest handshakes for {}'.format(PUBKEY, INTERFACE))
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exit(2)
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