Use proxychains in WSL

A WSL distro changes its IP and gateway address every time it restarts, so using proxychains would be a painful experience because the proxychains config file can not use domain names. The proxy runs on the host, forwarding traffic to a remote server.

So a script to dynamically generate proxychains config file would be helpful.

	#!/bin/bash
	# wsl's host ip address may change every time it reboots,
	# this is a problem if you map your host address as proxy.
	# Use the script to generate a new config of proxychains
	# each time proxychains runs.
	# put an entry
	# http wsl-host 3128
	# in your /etc/proxychains.conf
	# Copy the script as ./local/bin/wsl-proxychains.sh
	# run your program with proxychains like
	# wsl-proxychains.sh <YOUR PROGRAM>
	gateway=`ip route|grep default|grep eth0|cut -d' ' -f 3`
	sed "s/wsl-host/${gateway}/g" /etc/proxychains4.conf > /tmp/proxychains.conf
	proxychains -f /tmp/proxychains.conf $@

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