mirror of
https://github.com/RaspAP/raspap-webgui.git
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8b0383dd20
- add mobile date network devices and configuration - add client configuration via udev - add GUI under networking tab - add scripts to handle mobile data devices
56 lines
1.4 KiB
Bash
Executable file
56 lines
1.4 KiB
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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# Exit on error
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set -o errexit
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# Exit on error inside functions
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set -o errtrace
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# Turn on traces, disabled by default
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#set -o xtrace
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file=$1
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auth=$2
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interface=$3
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readonly rulesv4="/etc/iptables/rules.v4"
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if [ "$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 "Checking iptables rules"
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rules=(
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"-A POSTROUTING -o tun0 -j MASQUERADE"
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"-A FORWARD -i tun0 -o ${interface} -m state --state RELATED,ESTABLISHED -j ACCEPT"
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"-A FORWARD -i ${interface} -o tun0 -j ACCEPT"
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)
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for rule in "${rules[@]}"; do
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if grep -- "$rule" $rulesv4 > /dev/null; then
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echo "Rule already exits: ${rule}"
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else
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rule=$(sed -e 's/^\(-A POSTROUTING\)/-t nat \1/' <<< $rule)
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echo "Adding rule: ${rule}"
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sudo iptables $rule
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added=true
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fi
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done
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if [ "$added" = true ]; then
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echo "Persisting IP tables rules"
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sudo iptables-save | sudo tee $rulesv4 > /dev/null
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fi
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