mirror of
https://github.com/billz/raspap-webgui.git
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34 lines
963 B
Bash
Executable File
34 lines
963 B
Bash
Executable File
#!/bin/bash
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#
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# Updates openvpn client.conf with auth credentials,
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# adds iptables rules to forward traffic from tun0
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# to configured wireless interface
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# @author billz
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# license: GNU General Public License v3.0
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file=$1
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auth=$2
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interface=$3
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if [ "$auth" = 1 ]; then
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echo "Enabling auth-user-pass in OpenVPN client.conf"
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line='auth-user-pass'
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if grep -q "$line" $file; then
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echo "Updating $line"
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sudo sed -i "s/$line/$line login.conf/g" $file
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else
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echo "Adding $line"
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sudo sed -i "$ a $line login.conf" $file
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fi
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fi
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# Configure NAT and forwarding with iptables
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echo "Adding iptables rules for $interface"
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sudo iptables -t nat -A POSTROUTING -o tun0 -j MASQUERADE
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sudo iptables -A FORWARD -i tun0 -o $interface -m state --state RELATED,ESTABLISHED -j ACCEPT
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sudo iptables -A FORWARD -i wlan0 -o tun0 -j ACCEPT
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echo "Persisting IP tables rules"
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sudo iptables-save | sudo tee /etc/iptables/rules.v4 > /dev/null
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