124 lines
4.8 KiB
Bash
124 lines
4.8 KiB
Bash
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#!/bin/bash
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# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#
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# runtest.sh of /CoreOS/libcap/Sanity/capsh-basic-functionality
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# Description: tests basic functionality
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# Author: Karel Srot <ksrot@redhat.com>
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#
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#
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# Copyright (c) 2017 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing
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# to use, modify, copy, or redistribute it subject to the terms
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# and conditions of the GNU General Public License version 2.
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#
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# This program is distributed in the hope that it will be
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# useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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# PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public
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# License along with this program; if not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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#
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# Include Beaker environment
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. /usr/bin/rhts-environment.sh || exit 1
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. /usr/share/beakerlib/beakerlib.sh || exit 1
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PACKAGE="libcap"
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rlJournalStart
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rlPhaseStartSetup
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rlAssertRpm $PACKAGE
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rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory"
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rlRun "pushd $TmpDir"
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rlRun "useradd -m libcap_tester"
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rlPhaseEnd
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rlPhaseStartTest "Remove the listed capabilities from the prevailing bounding set"
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rlRun -s "capsh --drop=cap_net_raw -- -c 'getpcaps \$\$'"
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rlAssertGrep "Capabilities for" $rlRun_LOG
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rlAssertNotGrep cap_net_raw $rlRun_LOG
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rlRun -s "capsh --drop=cap_net_raw -- -c 'ping localhost -c 1'" 2,126 "Ping without cap_net_raw shoud fail"
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rlAssertGrep "Operation not permitted" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Set the prevailing process capabilities"
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rlRun -s "capsh --caps=cap_chown+p --print"
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rlAssertGrep "Current: = cap_chown+p" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Set the inheritable set of capabilities"
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rlRun -s "capsh --inh=cap_chown --print"
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rlRun "grep 'Current: = ' $rlRun_LOG | grep 'cap_chown+eip'"
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rlRun -s "capsh --inh=cap_chown -- -c 'getpcaps \$\$' 2>&1"
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rlAssertGrep "cap_chown+eip" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Assume the identity of the user nobody"
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USERID=`id -u nobody`
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GROUPID=`id -g nobody`
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rlRun -s "capsh --user=nobody -- -c 'id'"
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rlAssertGrep "uid=$USERID(nobody) gid=$GROUPID(nobody) groups=$GROUPID(nobody)" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Force all uid values to equal to nobody"
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rlRun -s "capsh --uid=$USERID -- -c 'id'"
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rlAssertGrep "uid=$USERID(nobody) gid=0(root) groups=0(root)" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Force all gid values to equal to nobody"
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rlRun -s "capsh --gid=$GROUPID -- -c 'id'"
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rlAssertGrep "uid=0(root) gid=$GROUPID(nobody)" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Set the supplementary groups"
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GROUP2ID=`id -g daemon`
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rlRun -s "capsh --groups=${GROUPID},${GROUP2ID} -- -c id"
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rlAssertGrep "uid=0(root) gid=0(root) groups=0(root),${GROUP2ID}(daemon),${GROUPID}(nobody)" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Permit the process to retain its capabilities after a setuid"
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CURRENT=`capsh --print | grep 'Current:' | cut -d '+' -f 1`
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rlRun -s "capsh --keep=0 --uid=$USERID --print"
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rlAssertGrep 'Current: =$' $rlRun_LOG -E
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rlRun -s "capsh --keep=1 --uid=$USERID --print"
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rlAssertGrep "$CURRENT" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Decode capabilities"
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rlRun "CODE=$( cat /proc/$$/status | awk '/CapEff/ { print $2 }' )"
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rlRun "DECODE=$( capsh --decode=$CODE | cut -d '=' -f 2 )"
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rlRun "capsh --print | grep 'Current: = $DECODE'"
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rlPhaseEnd
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rlPhaseStartTest "Verify the existence of a capability on the system"
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rlRun "capsh --supports=cap_net_raw"
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rlRun -s "capsh --supports=cap_foo_bar" 1
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rlAssertGrep "cap\[cap_foo_bar\] not recognized by library" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartTest "Verify exit code for unsupported option"
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rlRun "capsh --foo bar" 1
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rlPhaseEnd
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rlPhaseStartTest "Run as a regular user"
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USERID=`id -u libcap_tester`
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rlRun -s "su - libcap_tester -c 'capsh --print'"
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rlAssertGrep "Current: =\$" $rlRun_LOG -E
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rlAssertGrep "uid=$USERID(libcap_tester)" $rlRun_LOG
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rlPhaseEnd
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rlPhaseStartCleanup
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rlRun "userdel -r libcap_tester"
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rlRun "popd"
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rlRun "rm -r $TmpDir" 0 "Removing tmp directory"
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rlPhaseEnd
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rlJournalPrintText
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rlJournalEnd
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