42 lines
1.2 KiB
Bash
Executable file
42 lines
1.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# Description: Update firewall rules
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# Usage: firewall [<jailname>|all]
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#
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# shellcheck source=./includes
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LIBDIR="$(dirname $0)" && . "${LIBDIR}/includes"
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jail_name="${1:?}"
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if [ -z "${jail_name}" ]; then
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show_help && exit 1
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fi
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jail_path=$(jail_path "${jail_name}")
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iptables_input_accept() {
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jail_name="${1}"
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port="${2}"
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ip="${3}"
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debug "Accept \`${ip}:${port}' for jail \`${jail_name}'"
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echo "/sbin/iptables -A INPUT -p tcp --sport 1024: --dport ${port} -s ${ip} -j ACCEPT #${jail_name}"
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}
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if [ -n "${FIREWALL_RULES}" ]; then
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# remove existing rules for this jail
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[ -f "${FIREWALL_RULES}" ] && sed --follow-symlinks --in-place "/#${jail_name}$/d" "${FIREWALL_RULES}"
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if [ -d "${jail_path}" ]; then
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port=$("${LIBDIR}/bkctld-port" "${jail_name}")
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# Add a rule for each IP
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for ip in $("${LIBDIR}/bkctld-ip" "${jail_name}"); do
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iptables_input_accept "${jail_name}" "${port}" "${ip}" >> "${FIREWALL_RULES}"
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done
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# Restart the firewall
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[ -f /etc/init.d/minifirewall ] && /etc/init.d/minifirewall restart >/dev/null
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fi
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notice "Firewall updated for jail \`${jail_name}'"
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else
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notice "Skip jail \`${jail_name}' : FIREWALL_RULES variable is empty."
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fi
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