diff --git a/libexec/rc/rc.d/ipfw b/libexec/rc/rc.d/ipfw index ece0a93ba6f4..fd1c97671d70 100755 --- a/libexec/rc/rc.d/ipfw +++ b/libexec/rc/rc.d/ipfw @@ -1,148 +1,154 @@ #!/bin/sh # # $FreeBSD$ # # PROVIDE: ipfw # REQUIRE: ppp # KEYWORD: nojailvnet . /etc/rc.subr . /etc/network.subr name="ipfw" desc="Firewall, traffic shaper, packet scheduler, in-kernel NAT" rcvar="firewall_enable" start_cmd="ipfw_start" start_precmd="ipfw_prestart" start_postcmd="ipfw_poststart" stop_cmd="ipfw_stop" status_cmd="ipfw_status" required_modules="ipfw" extra_commands="status" set_rcvar_obsolete ipv6_firewall_enable ipfw_prestart() { if checkyesno dummynet_enable; then required_modules="$required_modules dummynet" fi if checkyesno natd_enable; then required_modules="$required_modules ipdivert" fi if checkyesno firewall_nat_enable; then required_modules="$required_modules ipfw_nat" fi if checkyesno firewall_nat64_enable; then required_modules="$required_modules ipfw_nat64" fi if checkyesno firewall_nptv6_enable; then required_modules="$required_modules ipfw_nptv6" fi if checkyesno firewall_pmod_enable; then required_modules="$required_modules ipfw_pmod" fi } ipfw_start() { local _firewall_type if [ -n "${1}" ]; then _firewall_type=$1 else _firewall_type=${firewall_type} fi # set the firewall rules script if none was specified [ -z "${firewall_script}" ] && firewall_script=/etc/rc.firewall if [ -r "${firewall_script}" ]; then /bin/sh "${firewall_script}" "${_firewall_type}" echo 'Firewall rules loaded.' elif [ "`ipfw list 65535`" = "65535 deny ip from any to any" ]; then echo 'Warning: kernel has firewall functionality, but' \ 'firewall rules are not enabled.' echo ' All ip services are disabled.' fi # Firewall logging # if checkyesno firewall_logging; then echo 'Firewall logging enabled.' ${SYSCTL} net.inet.ip.fw.verbose=1 >/dev/null fi if checkyesno firewall_logif; then - ifconfig ipfw0 create - echo 'Firewall logging pseudo-interface (ipfw0) created.' + if ! ifconfig ipfw0 >/dev/null 2>&1; then + ifconfig ipfw0 create + echo 'Firewall logging pseudo-interface (ipfw0)' \ + 'created.' + else + echo 'Firewall logging pseudo-interface (ipfw0)' \ + 'already created.' + fi fi } ipfw_poststart() { local _coscript # Start firewall coscripts # for _coscript in ${firewall_coscripts} ; do if [ -f "${_coscript}" ]; then ${_coscript} quietstart fi done # Enable the firewall # if ! ${SYSCTL} net.inet.ip.fw.enable=1 >/dev/null 2>&1; then warn "failed to enable IPv4 firewall" fi if afexists inet6; then if ! ${SYSCTL} net.inet6.ip6.fw.enable=1 >/dev/null 2>&1 then warn "failed to enable IPv6 firewall" fi fi } ipfw_stop() { local _coscript # Disable the firewall # ${SYSCTL} net.inet.ip.fw.enable=0 >/dev/null if afexists inet6; then ${SYSCTL} net.inet6.ip6.fw.enable=0 >/dev/null fi # Stop firewall coscripts # for _coscript in `reverse_list ${firewall_coscripts}` ; do if [ -f "${_coscript}" ]; then ${_coscript} quietstop fi done } ipfw_status() { status=$(sysctl -i -n net.inet.ip.fw.enable) : ${status:=0} if afexists inet6; then status6=$(sysctl -i -n net.inet6.ip6.fw.enable) : ${status6:=0} status=$((${status} + ${status6})) fi if [ ${status} -eq 0 ]; then echo "ipfw is not enabled" exit 1 else echo "ipfw is enabled" exit 0 fi } load_rc_config $name firewall_coscripts="/etc/rc.d/natd ${firewall_coscripts}" run_rc_command $*