openssh/tests/port-forwarding/runtest.sh

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#!/bin/bash
# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# runtest.sh of /CoreOS/openssh/Sanity/port-forwarding
# Description: Testing port forwarding (ideally all possibilities: -L, -R, -D)
# Author: Stanislav Zidek <szidek@redhat.com>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# Copyright (c) 2015 Red Hat, Inc.
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 2 of
# the License, or (at your option) any later version.
#
# 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, see http://www.gnu.org/licenses/.
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Include Beaker environment
. /usr/share/beakerlib/beakerlib.sh || exit 1
PACKAGE="openssh"
USER="user$RANDOM"
FORWARDED=$((RANDOM % 100 + 6800))
LISTEN=$((RANDOM % 100 + 6900))
TIMEOUT=5
MESSAGE="HUGE_SUCCESS"
SSH_OPTIONS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
rlJournalStart
rlPhaseStartSetup
rlAssertRpm $PACKAGE
rlFileBackup /etc/ssh/sshd_config /var/log/secure
rlRun "useradd -m $USER"
rlRun "su - $USER -c \"mkdir .ssh; chmod 700 .ssh; cd .ssh; ssh-keygen -N '' -f id_rsa; cat id_rsa.pub >authorized_keys; chmod 600 authorized_keys\""
rlRun "echo 'LogLevel DEBUG' >>/etc/ssh/sshd_config"
rlRun "echo '' >/var/log/secure"
rlServiceStart sshd
rlRun "IP=\$( ip a |grep 'scope global' |grep -w inet |cut -d'/' -f1 |awk '{ print \$2 }' |tail -1 )"
rlRun "echo 'IP=$IP'"
rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory"
rlRun "pushd $TmpDir"
rlPhaseEnd
forwarding_test() {
EXP_RESULT=$1
FORWARDED=$2
HOST=$3
LISTEN=$4
rlRun "nc -l $LISTEN &>listen.log &"
LISTEN_PID=$!
rlWaitForSocket $LISTEN -t $TIMEOUT
rlRun "ps -fp $LISTEN_PID"
rlRun "su - $USER -c \"ssh $SSH_OPTIONS -N -L $FORWARDED:$HOST:$LISTEN $USER@localhost &\" &>tunnel.log"
rlRun "ps -fC ssh"
rlRun "SSH_PID=\$( pgrep -n -u $USER ssh )"
rlRun "echo SSH_PID is '$SSH_PID'"
rlWaitForSocket $FORWARDED -t $TIMEOUT
rlRun "[[ -n '$SSH_PID' ]] && ps -fp $SSH_PID"
rlRun "echo '$MESSAGE'|nc localhost $FORWARDED"
if [[ $EXP_RESULT == "success" ]]; then
rlAssertGrep "$MESSAGE" listen.log
else # failure expected
rlAssertGrep "open failed" tunnel.log -i
rlAssertGrep "administratively prohibited" tunnel.log -i
rlAssertNotGrep "$MESSAGE" listen.log
fi
rlRun "kill -9 $LISTEN_PID $SSH_PID" 0,1 "Killing cleanup"
rlWaitForSocket $LISTEN -t $TIMEOUT --close
rlWaitForSocket $FORWARDED -t $TIMEOUT --close
if ! rlGetPhaseState; then
rlRun "cat listen.log"
rlRun "cat tunnel.log"
rlRun "cat /var/log/secure"
fi
rlFileSubmit listen.log tunnel.log /var/log/secure
rlRun "rm -f *.log; echo '' >/var/log/secure"
}
rlPhaseStartTest "Local forwarding"
forwarding_test "success" $FORWARDED localhost $LISTEN
((FORWARDED+=1))
((LISTEN+=1))
rlPhaseEnd
rlPhaseStartTest "PermitOpen with 'any'"
rlFileBackup --namespace permitopen_any /etc/ssh/sshd_config /etc/hosts
rlRun "echo 'PermitOpen any' >>/etc/ssh/sshd_config"
rlRun "echo '$IP anyhost1 anyhost2' >>/etc/hosts"
rlRun "service sshd restart"
for i in `seq 3`; do
forwarding_test "success" $FORWARDED anyhost1 $LISTEN
forwarding_test "success" $FORWARDED anyhost2 $LISTEN
((FORWARDED+=1))
((LISTEN+=1))
done
rlFileRestore --namespace permitopen_any
rlPhaseEnd
if ! rlIsRHEL '<6.7'; then
# PermitOpen with wildcards is new feature in RHEL-6.7
rlPhaseStartTest "PermitOpen with port wildcard"
rlFileBackup --namespace port_wildcard /etc/ssh/sshd_config /etc/hosts
rlRun "echo 'PermitOpen wildportallow:*' >>/etc/ssh/sshd_config"
rlRun "echo '$IP wildportallow wildportdeny' >>/etc/hosts"
rlRun "service sshd restart"
forwarding_test "success" $FORWARDED wildportallow $LISTEN
((FORWARDED+=1))
((LISTEN+=1))
forwarding_test "failure" $FORWARDED wildportdeny $LISTEN
((FORWARDED+=1))
((LISTEN+=1))
rlFileRestore --namespace port_wildcard
rlRun "service sshd restart"
rlPhaseEnd
fi
if ! rlIsRHEL '<7.3'; then
rlPhaseStartTest "PermitOpen with host wildcard and specific port"
rlFileBackup --namespace host_wildcard /etc/ssh/sshd_config /etc/hosts
rlRun "echo 'PermitOpen *:$LISTEN' >>/etc/ssh/sshd_config"
rlRun "echo '$IP wildhost1 wildhost2' >>/etc/hosts"
rlRun "service sshd restart"
forwarding_test "success" $FORWARDED wildhost1 $LISTEN
((FORWARDED+=1))
forwarding_test "success" $FORWARDED wildhost2 $LISTEN
((FORWARDED+=1))
((LISTEN+=1)) # different listen port, should fail
forwarding_test "failure" $FORWARDED wildhost2 $LISTEN
rlFileRestore --namespace host_wildcard
rlPhaseEnd
fi
rlPhaseStartCleanup
rlRun "userdel -r $USER"
rlRun "popd"
rlFileRestore
rlServiceRestore sshd
rlRun "rm -r $TmpDir" 0 "Removing tmp directory"
rlPhaseEnd
rlJournalPrintText
rlJournalEnd