52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
"""Onionr - Private P2P Communication.
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Identify LAN ip addresses and determine the best one
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"""
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from ipaddress import IPv4Address
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from psutil import net_if_addrs
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from socket import AF_INET
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import logger
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"""
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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lan_ips = []
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# https://psutil.readthedocs.io/en/latest/#psutil.net_if_addrs
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def _get_lan_ips():
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for interface in net_if_addrs().keys():
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for address in net_if_addrs()[interface]:
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# Don't see benefit in ipv6, so just check for v4 addresses
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if address[0] == AF_INET:
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# Mark the address for use in LAN if it is a private address
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if IPv4Address(address[1]).is_private and not IPv4Address(address[1]).is_loopback:
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lan_ips.append(address[1])
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try:
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_get_lan_ips()
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except OSError:
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logger.warn("Could not identify LAN ips due to OSError.")
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# These are more likely to be actual local subnets rather than VPNs
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for ip in lan_ips:
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if '192.168' in ip:
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best_ip = ip
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break
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else:
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try:
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best_ip = lan_ips[0]
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except IndexError:
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best_ip = ""
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