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24 lines
824 B
Bash
24 lines
824 B
Bash
#!/bin/env bash
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# This script allows one to log into captive portals by temporarily using the provided DNS records. Otherwise, captive portals
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# don't work with custom resolvconf setups
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set -e
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# Get the DNS resolver provided by the network
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DNS=$(nmcli -f IP4.DNS dev show wlan0 | awk '{print $2}' | head -1)
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# Temporarily put the DNS resolver in place
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echo "Need sudo permission to work with /etc/resolv.conf"
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sudo cp /etc/resolv.conf /etc/resolv.conf.bk
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echo "# Temporary resolv.conf generated by captive-portal-login.sh" | sudo tee /etc/resolv.conf
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echo "nameserver $DNS" | sudo tee -a /etc/resolv.conf
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echo "Put temporary DNS resolver in place. Fix the captive portal before continuing."
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xdg-open 1.1.1.1
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read -p "Press enter to continue..."
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# Put back own resolvers
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sudo mv /etc/resolv.conf.bk /etc/resolv.conf
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