1#!/bin/sh 2 3sysctl security.mac.portacl >/dev/null 2>&1 4if [ $? -ne 0 ]; then 5 echo "1..0 # SKIP MAC_PORTACL is unavailable." 6 exit 0 7fi 8if [ $(id -u) -ne 0 ]; then 9 echo "1..0 # SKIP testcases must be run as root" 10 exit 0 11fi 12 13ntest=1 14 15check_bind() { 16 local host idtype name proto port udpflag 17 18 host="127.0.0.1" 19 timeout=1 20 21 idtype=${1} 22 name=${2} 23 proto=${3} 24 port=${4} 25 26 [ "${proto}" = "udp" ] && udpflag="-u" 27 28 out=$( 29 case "${idtype}" in 30 uid|gid) 31 ( echo -n | su -m ${name} -c "nc ${udpflag} -l -w ${timeout} $host $port" 2>&1 ) & 32 ;; 33 jail) 34 kill $$ 35 ;; 36 *) 37 kill $$ 38 esac 39 sleep 0.3 40 echo | nc ${udpflag} -w ${timeout} $host $port >/dev/null 2>&1 41 wait 42 ) 43 case "${out}" in 44 "nc: Permission denied"*|"nc: Operation not permitted"*) 45 echo fl 46 ;; 47 "") 48 echo ok 49 ;; 50 *) 51 echo ${out} 52 ;; 53 esac 54} 55 56bind_test() { 57 local expect_without_rule expect_with_rule idtype name proto port 58 59 expect_without_rule=${1} 60 expect_with_rule=${2} 61 idtype=${3} 62 name=${4} 63 proto=${5} 64 port=${6} 65 66 sysctl security.mac.portacl.rules= >/dev/null 67 out=$(check_bind ${idtype} ${name} ${proto} ${port}) 68 if [ "${out}" = "${expect_without_rule}" ]; then 69 echo "ok ${ntest}" 70 elif [ "${out}" = "ok" -o "${out}" = "fl" ]; then 71 echo "not ok ${ntest} # '${out}' != '${expect_without_rule}'" 72 else 73 echo "not ok ${ntest} # unexpected output: '${out}'" 74 fi 75 : $(( ntest += 1 )) 76 77 if [ "${idtype}" = "uid" ]; then 78 idstr=$(id -u ${name}) 79 elif [ "${idtype}" = "gid" ]; then 80 idstr=$(id -g ${name}) 81 else 82 idstr=${name} 83 fi 84 sysctl security.mac.portacl.rules=${idtype}:${idstr}:${proto}:${port} >/dev/null 85 out=$(check_bind ${idtype} ${name} ${proto} ${port}) 86 if [ "${out}" = "${expect_with_rule}" ]; then 87 echo "ok ${ntest}" 88 elif [ "${out}" = "ok" -o "${out}" = "fl" ]; then 89 echo "not ok ${ntest} # '${out}' != '${expect_with_rule}'" 90 else 91 echo "not ok ${ntest} # unexpected output: '${out}'" 92 fi 93 : $(( ntest += 1 )) 94 95 sysctl security.mac.portacl.rules= >/dev/null 96} 97 98reserved_high=$(sysctl -n net.inet.ip.portrange.reservedhigh) 99suser_exempt=$(sysctl -n security.mac.portacl.suser_exempt) 100port_high=$(sysctl -n security.mac.portacl.port_high) 101 102restore_settings() { 103 sysctl -n net.inet.ip.portrange.reservedhigh=${reserved_high} >/dev/null 104 sysctl -n security.mac.portacl.suser_exempt=${suser_exempt} >/dev/null 105 sysctl -n security.mac.portacl.port_high=${port_high} >/dev/null 106} 107