99 lines
1.9 KiB
Bash
Executable file
99 lines
1.9 KiB
Bash
Executable file
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)
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IPTABLES4="/usr/sbin/iptables"
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IPTABLES6="/usr/sbin/ip6tables"
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IPTABLES_CMDS="$IPTABLES4 $IPTABLES6"
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PUBLIC_RULES="/etc/iptables/public.v"
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HOME_RULES="/etc/iptables/home.v"
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CUSTOM_RULES="/storage/.config/iptables/rules.v"
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DOCKER="service.system.docker.service"
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SYSTEMCTL="/usr/bin/systemctl"
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CONNMANCTL="/usr/bin/connmanctl"
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check_docker() {
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$SYSTEMCTL is-active --quiet $DOCKER && $SYSTEMCTL restart $DOCKER
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}
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get_technology_config() {
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$CONNMANCTL technologies | awk -v pattern="^/.*/technology/$1$" -e 'BEGIN {S=0}; /^\/.*/ {S=0}; $0 ~ pattern {S=1}; S==1 {print $0}'
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}
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check_tether() {
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for technology in wifi ethernet; do
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if get_technology_config $technology | grep -q 'Tethering = True'; then
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$CONNMANCTL tether $technology off
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sleep 1
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$CONNMANCTL tether $technology on
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break
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fi
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done
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}
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flush() {
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for cmd in $IPTABLES_CMDS; do
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$cmd -F
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$cmd -X
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$cmd -t nat -F
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$cmd -t nat -X
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$cmd -t mangle -F
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$cmd -t mangle -X
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$cmd -P INPUT ACCEPT
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$cmd -P FORWARD ACCEPT
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$cmd -P OUTPUT ACCEPT
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done
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check_docker
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check_tether
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}
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enable() {
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for cmd in $IPTABLES_CMDS; do
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case "$cmd" in
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*6*)
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rules="$RULES6"
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ipv="6"
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;;
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*)
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rules="$RULES4"
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ipv="4"
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;;
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esac
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if [ -e "$rules" ]; then
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"$cmd-restore" "$rules"
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fi
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done
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check_docker
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check_tether
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}
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if [ "$1" = "enable" ]; then
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case "${RULES}" in
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"none")
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flush
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;;
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"public")
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RULES4="${PUBLIC_RULES}4"
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RULES6="${PUBLIC_RULES}6"
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;;
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"home")
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RULES4="${HOME_RULES}4"
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RULES6="${HOME_RULES}6"
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;;
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"custom")
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RULES4="${CUSTOM_RULES}4"
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RULES6="${CUSTOM_RULES}6"
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;;
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*)
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exit 1
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;;
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esac
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enable
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elif [ "$1" = "disable" ]; then
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flush
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else
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exit 1
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fi
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exit 0
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