45 lines
1.1 KiB
Bash
45 lines
1.1 KiB
Bash
#!/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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interface=$2
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echo "Enabling auth credentials in OpenVPN client.conf"
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line='auth-user-pass'
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if grep -q "$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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echo "Adding iptables rules for $interface"
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# Generate iptables entries to place into rc.local file.
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# #RASPAP is for uninstall script
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lines=(
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"iptables -t nat -A POSTROUTING -o tun0 -j MASQUERADE #RASPAP"
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"iptables -A FORWARD -i tun0 -o $interface -m state --state RELATED,ESTABLISHED -j ACCEPT #RASPAP"
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"iptables -A FORWARD -i wlan0 -o tun0 -j ACCEPT #RASPAP"
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)
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for line in "${lines[@]}"; do
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if grep "$line" /etc/rc.local > /dev/null; then
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# iptables rule exists
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else
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sudo sed -i "s/^exit 0$/$line\nexit 0/" /etc/rc.local
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fi
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done
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# Force a reload of new settings in /etc/rc.local
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sudo systemctl restart rc-local.service
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sudo systemctl daemon-reload
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