#!/bin/sh # $FreeBSD$ sysctl security.mac.portacl >/dev/null 2>&1 if [ $? -ne 0 ]; then echo "1..0 # SKIP MAC_PORTACL is unavailable." exit 0 fi if [ $(id -u) -ne 0 ]; then echo "1..0 # SKIP testcases must be run as root" exit 0 fi ntest=1 check_bind() { local host idtype name proto port udpflag host="127.0.0.1" timeout=1 idtype=${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} -l -w ${timeout} $host $port" 2>&1 ) & ;; jail) kill $$ ;; *) kill $$ esac sleep 0.3 echo | nc ${udpflag} -w ${timeout} $host $port >/dev/null 2>&1 wait ) case "${out}" in "nc: Permission denied"*|"nc: Operation not permitted"*) echo fl ;; "") echo ok ;; *) echo ${out} ;; esac } bind_test() { local expect_without_rule expect_with_rule idtype name proto port expect_without_rule=${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 ${ntest} # '${out}' != '${expect_without_rule}'" else echo "not ok ${ntest} # unexpected output: '${out}'" fi : $(( ntest += 1 )) if [ "${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 ${ntest} # '${out}' != '${expect_with_rule}'" else echo "not ok ${ntest} # unexpected output: '${out}'" fi : $(( ntest += 1 )) sysctl security.mac.portacl.rules= >/dev/null } reserved_high=$(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 }