#!/bin/sh # $FreeBSD$ sysctl security.mac.portacl >/dev/null 2>&1 if [ $? -ne 0 ]; then echo "1..1" echo "not ok 1 # MAC_PORTACL is unavailable." exit 0 fi ntest=1 check_bind() { idtype=${1} name=${2} proto=${3} port=${4} [ "${proto}" = "udp" ] && udpflag="-u" out=`( case "${idtype}" in uid|gid) ( echo -n | su -m ${name} -c "nc ${udpflag} -o -l 127.0.0.1 $port" 2>&1 ) & ;; jail) kill $$ ;; *) kill $$ esac sleep 0.3 echo | nc ${udpflag} -o 127.0.0.1 $port >/dev/null 2>&1 wait )` case "${out}" in "nc: Permission denied"*|"nc: Operation not permitted"*) echo fl ;; "") echo ok ;; *) echo ${out} ;; esac } bind_test() { expect_without_rule=${1} expect_with_rule=${2} idtype=${3} name=${4} proto=${5} port=${6} sysctl security.mac.portacl.rules= >/dev/null out=`check_bind ${idtype} ${name} ${proto} ${port}` if [ "${out}" = "${expect_without_rule}" ]; then echo "ok ${ntest}" elif [ "${out}" = "ok" -o "${out}" = "fl" ]; then echo "not ok ${ntest}" else echo "not ok ${ntest} # ${out}" fi ntest=$((ntest+1)) if [ "${idtype}" = "uid" ]; then idstr=`id -u ${name}` elif [ "${idtype}" = "gid" ]; then idstr=`id -g ${name}` else idstr=${name} fi sysctl security.mac.portacl.rules=${idtype}:${idstr}:${proto}:${port} >/dev/null out=`check_bind ${idtype} ${name} ${proto} ${port}` if [ "${out}" = "${expect_with_rule}" ]; then echo "ok ${ntest}" elif [ "${out}" = "ok" -o "${out}" = "fl" ]; then echo "not ok ${ntest}" else echo "not ok ${ntest} # ${out}" fi ntest=$((ntest+1)) sysctl security.mac.portacl.rules= >/dev/null } reserved_high=`sysctl -n net.inet.ip.portrange.reservedhigh` suser_exempt=`sysctl -n security.mac.portacl.suser_exempt` port_high=`sysctl -n security.mac.portacl.port_high` restore_settings() { sysctl -n net.inet.ip.portrange.reservedhigh=${reserved_high} >/dev/null sysctl -n security.mac.portacl.suser_exempt=${suser_exempt} >/dev/null sysctl -n security.mac.portacl.port_high=${port_high} >/dev/null }