2021-07-20 11:59:52 +02:00
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#!/usr/bin/env python3
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2021-07-20 17:30:49 +02:00
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from typing import Optional
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2021-07-20 11:59:52 +02:00
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import socket
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import time
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import fcntl
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import struct
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2021-07-20 17:30:49 +02:00
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def get_ip_address(ifname: str) -> str:
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2021-07-20 11:59:52 +02:00
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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return socket.inet_ntoa(fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', ifname[:15].encode()))[20:24])
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2021-07-20 17:30:49 +02:00
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def get_uptime() -> float:
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2021-07-20 11:59:52 +02:00
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with open('/proc/uptime', 'r') as f:
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uptime_seconds = float(f.readline().split()[0])
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return uptime_seconds
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2021-07-20 17:30:49 +02:00
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def get_hostname() -> str:
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return socket.gethostname()
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def get_version() -> Optional[str]:
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with open('/version', 'r') as f:
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for line in f:
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if line.lower().startswith("version:"):
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return line.split(":", 2)[1].strip()
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return None
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2021-07-20 11:59:52 +02:00
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def main():
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, b"eth0")
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2021-07-20 17:30:49 +02:00
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2021-07-20 11:59:52 +02:00
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while True:
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ipaddr = ""
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try:
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ipaddr = get_ip_address("eth0")
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except:
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pass
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message = b"BIRBOX|" + ipaddr.encode() + b"|" + str(int(get_uptime())).encode()
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sock.sendto(message, ('<broadcast>', 6969))
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time.sleep(10)
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if __name__ == "__main__":
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print("Starting beacon...")
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try:
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main()
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except KeyboardInterrupt:
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pass
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print("Beacon stopped.")
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