1#!/usr/bin/env python3 2# 3# Copyright (c) 2021, The OpenThread Authors. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 3. Neither the name of the copyright holder nor the 14# names of its contributors may be used to endorse or promote products 15# derived from this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29 30import sys 31import socket 32import binascii 33import syslog 34 35 36def main(): 37 interface = sys.argv[1] 38 dst = sys.argv[2] 39 port = sys.argv[3] 40 payload = sys.argv[4] 41 42 log = '====otbr-agent=send_udp=== send_udp.py started' 43 syslog.syslog(syslog.LOG_ERR, log) 44 print(log) 45 46 log = 'dst %s' % dst 47 syslog.syslog(syslog.LOG_ERR, log) 48 print(log) 49 50 log = 'interface %s' % interface 51 syslog.syslog(syslog.LOG_ERR, log) 52 print(log) 53 54 log = 'port %s' % port 55 syslog.syslog(syslog.LOG_ERR, log) 56 print(log) 57 58 log = 'payload %s' % payload 59 syslog.syslog(syslog.LOG_ERR, log) 60 print(log) 61 62 byte_payload = binascii.unhexlify(payload) 63 64 try: 65 sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) 66 # Configure SO_BINDTODEVICE to bind the network interface. 67 sock.setsockopt(socket.SOL_SOCKET, 25, interface.encode('utf-8')) 68 sock.sendto(byte_payload, (dst, int(port))) 69 except Exception as e: 70 log = '====otbr-agent=send_udp=== sendto %s' % str(e) 71 syslog.syslog(syslog.LOG_ERR, log) 72 print(log) 73 74 sock.close() 75 log = '====otbr-agent=send_udp=== close' 76 syslog.syslog(syslog.LOG_ERR, log) 77 print(log) 78 79 80if __name__ == '__main__': 81 main() 82