72 lines
2.8 KiB
Python
Executable File
72 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (c) 2020, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import socket
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import struct
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import subprocess
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import sys
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import time
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from ipaddress import ip_address
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def get_maddrs(if_name):
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lines = subprocess.run(['ot-ctl', '-I', if_name, 'ipmaddr'], stdout=subprocess.PIPE).stdout.decode().split()
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return [ip_address(l) for l in lines if l.startswith('ff')]
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def main():
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group = 'ff02::158'
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if_index = int(sys.argv[1])
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if_name = sys.argv[2]
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with socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) as s:
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s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, if_index)
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s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP,
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struct.pack('16si', socket.inet_pton(socket.AF_INET6, group), if_index))
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time.sleep(2)
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maddrs = get_maddrs(if_name)
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print(maddrs)
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if not any(addr == ip_address(group) for addr in maddrs):
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return -1
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s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_LEAVE_GROUP,
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struct.pack('16si', socket.inet_pton(socket.AF_INET6, group), if_index))
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time.sleep(2)
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maddrs = get_maddrs(if_name)
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print(maddrs)
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if any(addr == ip_address(group) for addr in maddrs):
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return -1
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return 0
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if __name__ == '__main__':
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exit(main())
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