diff options
Diffstat (limited to 'net-firewall/nftables/files/nftables.init-r1')
-rw-r--r-- | net-firewall/nftables/files/nftables.init-r1 | 154 |
1 files changed, 89 insertions, 65 deletions
diff --git a/net-firewall/nftables/files/nftables.init-r1 b/net-firewall/nftables/files/nftables.init-r1 index 45b2abdbda77..60f1632f4551 100644 --- a/net-firewall/nftables/files/nftables.init-r1 +++ b/net-firewall/nftables/files/nftables.init-r1 @@ -1,105 +1,129 @@ #!/sbin/openrc-run +# Copyright 2014-2017 Nicholas Vinson # Copyright 1999-2020 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 -extra_commands="check clear list panic save soft_panic" +extra_commands="clear list panic save" extra_started_commands="reload" - depend() { need localmount #434774 before net } -checkkernel() { - if ! /sbin/nft list ruleset >/dev/null 2>/dev/null ; then - eerror "Your kernel lacks nftables support, please load" - eerror "appropriate modules and try again." - return 1 - fi - return 0 +_nftables() { + export NFTABLES_SAVE SAVE_OPTIONS + /usr/libexec/nftables/nftables.sh "${@}" } -checkconfig() { - if [ -z "${NFTABLES_SAVE}" -o ! -f "${NFTABLES_SAVE}" ] ; then - eerror "Not starting nftables. First create some rules then run:" - eerror "/etc/init.d/${SVCNAME} save" - return 1 - fi +start_pre() { + checkkernel || return 1 + checkconfig || return 1 return 0 } -start_pre() { - checkconfig || return 1 - checkkernel || return 1 - check || return 1 +clear() { + _nftables clear || return 1 + return 0 } -start() { - ebegin "Loading ${SVCNAME} state and starting firewall" - /usr/libexec/nftables/nftables.sh load "${NFTABLES_SAVE}" - eend $? +list() { + _nftables list || return 1 + return 0 } -stop() { - if [ "${SAVE_ON_STOP}" = "yes" ] ; then - save || return 1 +panic() { + checkkernel || return 1 + if service_started "${RC_SVCNAME}"; then + rc-service "${RC_SVCNAME}" stop fi - ebegin "Stopping firewall" - if [ "${PANIC_ON_STOP}" = "hard" ]; then - /usr/libexec/nftables/nftables.sh panic - elif [ "${PANIC_ON_STOP}" = "soft" ]; then - /usr/libexec/nftables/nftables.sh soft_panic - else - /usr/libexec/nftables/nftables.sh clear + ebegin "Dropping all packets" + clear + if nft create table ip filter >/dev/null 2>&1; then + nft -f /dev/stdin <<-EOF + table ip filter { + chain input { + type filter hook input priority 0; + drop + } + chain forward { + type filter hook forward priority 0; + drop + } + chain output { + type filter hook output priority 0; + drop + } + } + EOF + fi + if nft create table ip6 filter >/dev/null 2>&1; then + nft -f /dev/stdin <<-EOF + table ip6 filter { + chain input { + type filter hook input priority 0; + drop + } + chain forward { + type filter hook forward priority 0; + drop + } + chain output { + type filter hook output priority 0; + drop + } + } + EOF fi - eend $? } reload() { - start_pre || return 1 + checkkernel || return 1 + ebegin "Flushing firewall" + clear start } -clear() { - ebegin "Clearing rules" - /usr/libexec/nftables/nftables.sh clear - eend $? +save() { + ebegin "Saving nftables state" + checkpath -q -d "$(dirname "${NFTABLES_SAVE}")" + checkpath -q -m 0600 -f "${NFTABLES_SAVE}" + export SAVE_OPTIONS + _nftables store "${NFTABLES_SAVE}" + return $? } -list() { - /usr/libexec/nftables/nftables.sh list +start() { + ebegin "Loading nftables state and starting firewall" + clear + _nftables load "${NFTABLES_SAVE}" + eend ${?} } -check() { - ebegin "Checking rules" - /usr/libexec/nftables/nftables.sh check "${NFTABLES_SAVE}" - eend $? -} +stop() { + if yesno "${SAVE_ON_STOP:-yes}"; then + save || return 1 + fi -save() { - ebegin "Saving ${SVCNAME} state" - checkpath -q -d "$(dirname "${NFTABLES_SAVE}")" - checkpath -q -m 0600 -f "${NFTABLES_SAVE}" - SAVE_OPTIONS="${SAVE_OPTIONS}" \ - /usr/libexec/nftables/nftables.sh store "${NFTABLES_SAVE}" - eend $? + ebegin "Stopping firewall" + clear + eend ${?} } -panic() { - if service_started ${SVCNAME}; then - rc-service ${SVCNAME} zap +checkconfig() { + if [ ! -f "${NFTABLES_SAVE}" ]; then + eerror "Not starting nftables. First create some rules then run:" + eerror "rc-service nftables save" + return 1 fi - ebegin "Dropping all packets" - /usr/libexec/nftables/nftables.sh panic - eend $? + return 0 } -soft_panic() { - if service_started ${SVCNAME}; then - rc-service ${SVCNAME} zap +checkkernel() { + if ! nft list tables >/dev/null 2>&1; then + eerror "Your kernel lacks nftables support, please load" + eerror "appropriate modules and try again." + return 1 fi - ebegin "Dropping new connections" - /usr/libexec/nftables/nftables.sh soft_panic - eend $? + return 0 } |