mirror of
https://gitlab.com/kupfer/kupferbootstrap.git
synced 2025-02-22 21:25:43 -05:00
49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
import click
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import subprocess
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from logger import logging
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from ssh import run_ssh_command
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from wrapper import check_programs_wrap
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@click.command(name='forwarding')
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def cmd_forwarding():
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"""Enable network forwarding for a usb-attached device"""
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check_programs_wrap(['syctl', 'iptables'])
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result = subprocess.run([
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'sysctl',
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'net.ipv4.ip_forward=1',
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])
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if result.returncode != 0:
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logging.fatal(f'Failed to enable ipv4 forward via sysctl')
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exit(1)
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result = subprocess.run([
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'iptables',
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'-P',
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'FORWARD',
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'ACCEPT',
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])
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if result.returncode != 0:
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logging.fatal(f'Failed set iptables rule')
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exit(1)
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result = subprocess.run([
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'iptables',
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'-A',
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'POSTROUTING',
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'-t',
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'nat',
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'-j',
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'MASQUERADE',
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'-s',
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'172.16.42.0/24',
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])
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if result.returncode != 0:
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logging.fatal(f'Failed set iptables rule')
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exit(1)
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result = run_ssh_command(cmd=['sudo -S route add default gw 172.16.42.2'])
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if result.returncode != 0:
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logging.fatal(f'Failed to add gateway over ssh')
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exit(1)
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