#!/bin/bash
# vim: dict=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# runtest.sh of /CoreOS/selinux-policy/Regression/perf_event-and-related
# Description: Is the perf_event class and its permissions defined?
# Author: Milos Malik <mmalik@redhat.com>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# Copyright (c) 2020 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing
# to use, modify, copy, or redistribute it subject to the terms
# and conditions of the GNU General Public License version 2.
#
# This program is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Include Beaker environment
. /usr/share/beakerlib/beakerlib.sh || exit 1
PACKAGE="selinux-policy"
rlJournalStart
rlLog "If this test fails, please contact mmalik on IRC #selinux"
rlLog "This test should fail if tested bugs are NOT fixed yet"
rlPhaseStartSetup
rlRun "rlImport 'selinux-policy/common'" 0,1
rlAssertRpm ${PACKAGE}
rlAssertRpm ${PACKAGE}-targeted
rlAssertRpm perf
rlRun "rm -f base.cil"
rlRun "semodule -c -E base"
if grep -q perf_event base.cil ; then
rlLog "current SELinux policy already defines the perf_event class"
UPDATED_BASE_CIL=false
else
rlLog "current SELinux policy does NOT define the perf_event class"
rlLog "going to define the perf_event class for testing purposes"
rlRun "sed -i 's/^\(.*classorder.*\)))$/(class perf_event (open cpu kernel tracepoint read write ))\n\1 perf_event ))/' base.cil"
rlRun "semodule -i base.cil"
UPDATED_BASE_CIL=true
fi
rlSESetEnforce
rlSEStatus
rlSESetTimestamp
sleep 2
rlPhaseEnd
rlPhaseStartTest "bz#1901957 + bz#1901958"
rlSESearchRule "allow unconfined_t unconfined_t : perf_event { open cpu kernel read write } [ ]"
rlSESearchRule "allow sysadm_t sysadm_t : perf_event { open cpu kernel read write } [ ]"
rlPhaseEnd
if ! rlIsRHEL 8 && ! rlIsCentOS 8 ; then
rlPhaseStartTest "bz#2229936"
rlSESearchRule "allow sysadm_t kernel_t : bpf { prog_run } [ ]"
rlPhaseEnd
fi
rlPhaseStartTest "real scenario -- perf tool under root"
rlRun "perf record -o /dev/null echo test"
rlRun "seinfo -c perf_event -x"
rlRun "sesearch -c perf_event -A --dontaudit"
rlPhaseEnd
rlPhaseStartTest "real scenario -- confined root sysadm_u"
rlSEConfigureSSH
rlRun "setsebool ssh_sysadm_login on"
USER_NAME="toor"
USER_SECRET="S3kr3t${RANDOM}"
rlRun "useradd -o -u 0 -g 0 -Z sysadm_u ${USER_NAME}"
rlRun "echo ${USER_SECRET} | passwd --stdin ${USER_NAME}"
rlRun "./ssh.exp ${USER_NAME}/sysadm_r ${USER_SECRET} localhost perf record -o /dev/null echo test"
rlRun "userdel -rfZ ${USER_NAME}"
rlRun "setsebool ssh_sysadm_login off"
rlFileRestore
rlRun "service sshd restart"
rlPhaseEnd
rlPhaseStartCleanup
sleep 2
rlSECheckAVC
if ${UPDATED_BASE_CIL} ; then
rlRun "semodule -r base"
fi
rlPhaseEnd
rlJournalPrintText
rlJournalEnd