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95 lines
2.7 KiB
95 lines
2.7 KiB
#!/bin/sh
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#
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# Copyright (c) 2020 Gregory L. Dietsche <Gregory.Dietsche@cuw.edu>
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# This is free software, licensed under the MIT License
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#
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. /lib/functions.sh
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config_load 'family-dns'
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config_get_bool enabled default enabled 0
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config_get_bool redirect_dns default redirect_dns 0
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config_get dns default dns default
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#uninstall and disable are designed to be equivalent.
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if [ "$1" = "uninstall" ] ; then
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enabled=0
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fi
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# Set OpenWrt Defaults
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uci -q batch <<-EOT
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set network.wan.peerdns='1'
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set network.wan6.peerdns='1'
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delete network.wan.dns
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delete network.wan6.dns
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delete firewall.family_dns_lan
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EOT
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if [ "$enabled" -ne 1 ] ; then
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echo 'Activating Default ISP DNS server(s)'
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else
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# We don't want to use ISP DNS servers because they don't filter queries
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uci set network.wan.peerdns='0'
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uci set network.wan6.peerdns='0'
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# Configure the DNS server(s) that will handle filtering.
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echo "Activating $dns"
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case $dns in
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cleanbrowsing-adult-filter)
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uci add_list network.wan.dns=185.228.168.10
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uci add_list network.wan.dns=185.228.169.11
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uci add_list network.wan6.dns=2a0d:2a00:1::1
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uci add_list network.wan6.dns=2a0d:2a00:2::1
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;;
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cleanbrowsing-family-filter)
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uci add_list network.wan.dns=185.228.168.168
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uci add_list network.wan.dns=185.228.169.168
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uci add_list network.wan6.dns=2a0d:2a00:1::
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uci add_list network.wan6.dns=2a0d:2a00:2::
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;;
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cloudflare-malware-and-adult-content)
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uci add_list network.wan.dns=1.1.1.3
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uci add_list network.wan.dns=1.0.0.3
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uci add_list network.wan6.dns=2606:4700:4700::1113
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uci add_list network.wan6.dns=2606:4700:4700::1003
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;;
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cisco-family-shield)
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uci add_list network.wan.dns=208.67.222.123
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uci add_list network.wan.dns=208.67.220.123
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uci add_list network.wan6.dns=::ffff:d043:de7b
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uci add_list network.wan6.dns=::ffff:d043:dc7b
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;;
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*)
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echo "$dns" is not supported.
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uci revert network
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redirect_dns=0
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;;
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esac
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if [ "$redirect_dns" -eq 1 ] ; then
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echo Activating DNS redirect
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zone=lan
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ip=$(uci get network.$zone.ipaddr)
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uci -q batch <<-EOT
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set firewall.family_dns_lan=redirect
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add_list firewall.family_dns_lan.proto='tcp'
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add_list firewall.family_dns_lan.proto='udp'
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set firewall.family_dns_lan.src_dport='53'
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set firewall.family_dns_lan.dest_ip='$ip'
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set firewall.family_dns_lan.target='DNAT'
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set firewall.family_dns_lan.src='$zone'
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set firewall.family_dns_lan.dest='$zone'
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set firewall.family_dns_lan.name='family-dns redirect for $zone zone'
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EOT
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fi
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fi
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uci -q batch <<-EOT
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commit network
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commit firewall
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EOT
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/etc/init.d/network reload
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/etc/init.d/dnsmasq reload
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/etc/init.d/firewall reload 2>/dev/null
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