Regression tests for mac_portacl(4).
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27
tools/regression/mac/mac_portacl/LICENSE
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tools/regression/mac/mac_portacl/LICENSE
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$FreeBSD$
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License for all regression tests available with fstest:
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Copyright (c) 2009 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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97
tools/regression/mac/mac_portacl/misc.sh
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tools/regression/mac/mac_portacl/misc.sh
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#!/bin/sh
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# $FreeBSD$
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sysctl security.mac.portacl >/dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "1..1"
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echo "not ok 1 # MAC_PORTACL is unavailable."
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exit 0
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fi
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ntest=1
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check_bind() {
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idtype=${1}
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name=${2}
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proto=${3}
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port=${4}
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[ "${proto}" = "udp" ] && udpflag="-u"
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out=`(
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case "${idtype}" in
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uid|gid)
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( echo -n | su -m ${name} -c "nc ${udpflag} -o -l 127.0.0.1 $port" 2>&1 ) &
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;;
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jail)
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kill $$
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;;
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*)
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kill $$
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esac
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sleep 0.3
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echo | nc ${udpflag} -o 127.0.0.1 $port >/dev/null 2>&1
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wait
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)`
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case "${out}" in
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"nc: Permission denied"*|"nc: Operation not permitted"*)
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echo fl
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;;
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"")
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echo ok
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;;
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*)
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echo ${out}
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;;
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esac
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}
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bind_test() {
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expect_without_rule=${1}
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expect_with_rule=${2}
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idtype=${3}
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name=${4}
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proto=${5}
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port=${6}
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sysctl security.mac.portacl.rules= >/dev/null
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out=`check_bind ${idtype} ${name} ${proto} ${port}`
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if [ "${out}" = "${expect_without_rule}" ]; then
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echo "ok ${ntest}"
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elif [ "${out}" = "ok" -o "${out}" = "fl" ]; then
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echo "not ok ${ntest}"
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else
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echo "not ok ${ntest} # ${out}"
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fi
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ntest=$((ntest+1))
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if [ "${idtype}" = "uid" ]; then
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idstr=`id -u ${name}`
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elif [ "${idtype}" = "gid" ]; then
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idstr=`id -g ${name}`
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else
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idstr=${name}
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fi
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sysctl security.mac.portacl.rules=${idtype}:${idstr}:${proto}:${port} >/dev/null
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out=`check_bind ${idtype} ${name} ${proto} ${port}`
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if [ "${out}" = "${expect_with_rule}" ]; then
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echo "ok ${ntest}"
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elif [ "${out}" = "ok" -o "${out}" = "fl" ]; then
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echo "not ok ${ntest}"
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else
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echo "not ok ${ntest} # ${out}"
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fi
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ntest=$((ntest+1))
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sysctl security.mac.portacl.rules= >/dev/null
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}
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reserved_high=`sysctl -n net.inet.ip.portrange.reservedhigh`
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suser_exempt=`sysctl -n security.mac.portacl.suser_exempt`
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port_high=`sysctl -n security.mac.portacl.port_high`
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restore_settings() {
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sysctl -n net.inet.ip.portrange.reservedhigh=${reserved_high} >/dev/null
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sysctl -n security.mac.portacl.suser_exempt=${suser_exempt} >/dev/null
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sysctl -n security.mac.portacl.port_high=${port_high} >/dev/null
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}
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67
tools/regression/mac/mac_portacl/nobody.t
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tools/regression/mac/mac_portacl/nobody.t
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#!/bin/sh
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# $FreeBSD$
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dir=`dirname $0`
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. ${dir}/misc.sh
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echo "1..64"
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# security.mac.portacl.suser_exempt value doesn't affect unprivileged users
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# behaviour.
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# mac_portacl has no impact on ports <= net.inet.ip.portrange.reservedhigh.
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sysctl security.mac.portacl.suser_exempt=1 >/dev/null
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sysctl net.inet.ip.portrange.reservedhigh=78 >/dev/null
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bind_test fl fl uid nobody tcp 77
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bind_test ok ok uid nobody tcp 7777
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bind_test fl fl uid nobody udp 77
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bind_test ok ok uid nobody udp 7777
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bind_test fl fl gid nobody tcp 77
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bind_test ok ok gid nobody tcp 7777
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bind_test fl fl gid nobody udp 77
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bind_test ok ok gid nobody udp 7777
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sysctl security.mac.portacl.suser_exempt=0 >/dev/null
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bind_test fl fl uid nobody tcp 77
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bind_test ok ok uid nobody tcp 7777
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bind_test fl fl uid nobody udp 77
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bind_test ok ok uid nobody udp 7777
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bind_test fl fl gid nobody tcp 77
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bind_test ok ok gid nobody tcp 7777
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bind_test fl fl gid nobody udp 77
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bind_test ok ok gid nobody udp 7777
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# Verify if security.mac.portacl.port_high works.
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sysctl security.mac.portacl.port_high=7778 >/dev/null
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bind_test fl fl uid nobody tcp 77
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bind_test fl ok uid nobody tcp 7777
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bind_test fl fl uid nobody udp 77
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bind_test fl ok uid nobody udp 7777
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bind_test fl fl gid nobody tcp 77
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bind_test fl ok gid nobody tcp 7777
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bind_test fl fl gid nobody udp 77
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bind_test fl ok gid nobody udp 7777
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# Verify if mac_portacl rules work.
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sysctl net.inet.ip.portrange.reservedhigh=76 >/dev/null
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sysctl security.mac.portacl.port_high=7776 >/dev/null
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bind_test fl ok uid nobody tcp 77
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bind_test ok ok uid nobody tcp 7777
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bind_test fl ok uid nobody udp 77
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bind_test ok ok uid nobody udp 7777
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bind_test fl ok gid nobody tcp 77
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bind_test ok ok gid nobody tcp 7777
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bind_test fl ok gid nobody udp 77
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bind_test ok ok gid nobody udp 7777
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restore_settings
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51
tools/regression/mac/mac_portacl/root.t
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tools/regression/mac/mac_portacl/root.t
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#!/bin/sh
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# $FreeBSD$
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dir=`dirname $0`
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. ${dir}/misc.sh
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echo "1..48"
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# Verify if security.mac.portacl.suser_exempt=1 really exempts super-user.
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sysctl security.mac.portacl.suser_exempt=1 >/dev/null
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bind_test ok ok uid root tcp 77
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bind_test ok ok uid root tcp 7777
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bind_test ok ok uid root udp 77
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bind_test ok ok uid root udp 7777
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bind_test ok ok gid root tcp 77
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bind_test ok ok gid root tcp 7777
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bind_test ok ok gid root udp 77
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bind_test ok ok gid root udp 7777
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# Verify if security.mac.portacl.suser_exempt=0 really doesn't exempt super-user.
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sysctl security.mac.portacl.suser_exempt=0 >/dev/null
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bind_test fl ok uid root tcp 77
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bind_test ok ok uid root tcp 7777
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bind_test fl ok uid root udp 77
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bind_test ok ok uid root udp 7777
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bind_test fl ok gid root tcp 77
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bind_test ok ok gid root tcp 7777
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bind_test fl ok gid root udp 77
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bind_test ok ok gid root udp 7777
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# Verify if security.mac.portacl.port_high works for super-user.
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sysctl security.mac.portacl.port_high=7778 >/dev/null
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bind_test fl ok uid root tcp 77
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bind_test fl ok uid root tcp 7777
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bind_test fl ok uid root udp 77
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bind_test fl ok uid root udp 7777
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bind_test fl ok gid root tcp 77
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bind_test fl ok gid root tcp 7777
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bind_test fl ok gid root udp 77
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bind_test fl ok gid root udp 7777
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restore_settings
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