ssm-services/services/iptables

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#!/usr/bin/env ssm
service_type='oneshot'
cfg_ip4dump='/etc/iptables/ip4.rules'
cfg_ip6dump='/etc/iptables/ip6.rules'
service_command=( /usr/bin/true )
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start() {
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[[ -f "$cfg_ip4dump" ]] && {
iptables-restore -t < "$cfg_ip4dump" || return 1
iptables-restore < "$cfg_ip4dump"
}
[[ -f "$cfg_ip6dump" ]] && {
ip6tables-restore -t < "$cfg_ip6dump" || return 1
ip6tables-restore < "$cfg_ip6dump"
}
super_start
}
stop() {
iptables-save | sed -re 's/(:[A-Z]+\s+)[A-Z]+/\1ACCEPT/g' -e '/-.+/d' | iptables-restore
ip6tables-save | sed -re 's/(:[A-Z]+\s+)[A-Z]+/\1ACCEPT/g' -e '/-.+/d' | ip6tables-restore
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for i in $(iptables-save | grep -E '^\*'); do iptables -t "${i//\*/}" -X; done
for i in $(ip6tables-save | grep -E '^\*'); do ip6tables -t "${i//\*/}" -X; done
super_stop
}
save() {
printf 'Saving rules.\n'
/usr/bin/iptables-save > "$cfg_ip4dump";
/usr/bin/ip6tables-save > "$cfg_ip6dump";
}