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# $OpenBSD: test-exec.sh,v 1.30 2007/10/26 05:30:01 djm Exp $
# Placed in the Public Domain.
#SUDO=sudo
# Unbreak GNU head(1)
_POSIX2_VERSION=199209
export _POSIX2_VERSION
case `uname -s 2>/dev/null` in
OSF1*)
BIN_SH=xpg4
export BIN_SH
;;
esac
if [ ! -z "$TEST_SSH_PORT" ]; then
PORT="$TEST_SSH_PORT"
else
PORT=4242
fi
if [ -x /usr/ucb/whoami ]; then
USER=`/usr/ucb/whoami`
elif whoami >/dev/null 2>&1; then
USER=`whoami`
elif logname >/dev/null 2>&1; then
USER=`logname`
else
USER=`id -un`
fi
OBJ=$1
if [ "x$OBJ" = "x" ]; then
echo '$OBJ not defined'
exit 2
fi
if [ ! -d $OBJ ]; then
echo "not a directory: $OBJ"
exit 2
fi
SCRIPT=$2
if [ "x$SCRIPT" = "x" ]; then
echo '$SCRIPT not defined'
exit 2
fi
if [ ! -f $SCRIPT ]; then
echo "not a file: $SCRIPT"
exit 2
fi
if $TEST_SHELL -n $SCRIPT; then
true
else
echo "syntax error in $SCRIPT"
exit 2
fi
unset SSH_AUTH_SOCK
SRC=`dirname ${SCRIPT}`
# defaults
SSH=ssh
SSHD=sshd
SSHAGENT=ssh-agent
SSHADD=ssh-add
SSHKEYGEN=ssh-keygen
SSHKEYSCAN=ssh-keyscan
SFTP=sftp
SFTPSERVER=/usr/libexec/openssh/sftp-server
SCP=scp
if [ "x$TEST_SSH_SSH" != "x" ]; then
SSH="${TEST_SSH_SSH}"
fi
if [ "x$TEST_SSH_SSHD" != "x" ]; then
SSHD="${TEST_SSH_SSHD}"
fi
if [ "x$TEST_SSH_SSHAGENT" != "x" ]; then
SSHAGENT="${TEST_SSH_SSHAGENT}"
fi
if [ "x$TEST_SSH_SSHADD" != "x" ]; then
SSHADD="${TEST_SSH_SSHADD}"
fi
if [ "x$TEST_SSH_SSHKEYGEN" != "x" ]; then
SSHKEYGEN="${TEST_SSH_SSHKEYGEN}"
fi
if [ "x$TEST_SSH_SSHKEYSCAN" != "x" ]; then
SSHKEYSCAN="${TEST_SSH_SSHKEYSCAN}"
fi
if [ "x$TEST_SSH_SFTP" != "x" ]; then
SFTP="${TEST_SSH_SFTP}"
fi
if [ "x$TEST_SSH_SFTPSERVER" != "x" ]; then
SFTPSERVER="${TEST_SSH_SFTPSERVER}"
fi
if [ "x$TEST_SSH_SCP" != "x" ]; then
SCP="${TEST_SSH_SCP}"
fi
# Path to sshd must be absolute for rexec
case "$SSHD" in
/*) ;;
*) SSHD=`which sshd` ;;
esac
if [ "x$TEST_SSH_LOGFILE" = "x" ]; then
TEST_SSH_LOGFILE=/dev/null
fi
# these should be used in tests
export SSH SSHD SSHAGENT SSHADD SSHKEYGEN SSHKEYSCAN SFTP SFTPSERVER SCP
#echo $SSH $SSHD $SSHAGENT $SSHADD $SSHKEYGEN $SSHKEYSCAN $SFTP $SFTPSERVER $SCP
# helper
echon()
{
if [ "x`echo -n`" = "x" ]; then
echo -n "$@"
elif [ "x`echo '\c'`" = "x" ]; then
echo "$@\c"
else
fatal "Don't know how to echo without newline."
fi
}
have_prog()
{
saved_IFS="$IFS"
IFS=":"
for i in $PATH
do
if [ -x $i/$1 ]; then
IFS="$saved_IFS"
return 0
fi
done
IFS="$saved_IFS"
return 1
}
cleanup ()
{
if [ -f $PIDFILE ]; then
pid=`cat $PIDFILE`
if [ "X$pid" = "X" ]; then
echo no sshd running
else
if [ $pid -lt 2 ]; then
echo bad pid for ssd: $pid
else
$SUDO kill $pid
fi
fi
fi
}
trace ()
{
echo "trace: $@" >>$TEST_SSH_LOGFILE
if [ "X$TEST_SSH_TRACE" = "Xyes" ]; then
echo "$@"
fi
}
verbose ()
{
echo "verbose: $@" >>$TEST_SSH_LOGFILE
if [ "X$TEST_SSH_QUIET" != "Xyes" ]; then
echo "$@"
fi
}
fail ()
{
echo "FAIL: $@" >>$TEST_SSH_LOGFILE
RESULT=1
echo "$@"
}
fatal ()
{
echo "FATAL: $@" >>$TEST_SSH_LOGFILE
echon "FATAL: "
fail "$@"
cleanup
exit $RESULT
}
RESULT=0
PIDFILE=$OBJ/pidfile
trap fatal 3 2
# create server config
cat << EOF > $OBJ/sshd_config
StrictModes no
Port $PORT
AddressFamily inet
ListenAddress 127.0.0.1
#ListenAddress ::1
PidFile $PIDFILE
AuthorizedKeysFile $OBJ/authorized_keys_%u
LogLevel VERBOSE
AcceptEnv _XXX_TEST_*
AcceptEnv _XXX_TEST
Subsystem sftp $SFTPSERVER
EOF
if [ ! -z "$TEST_SSH_SSHD_CONFOPTS" ]; then
trace "adding sshd_config option $TEST_SSH_SSHD_CONFOPTS"
echo "$TEST_SSH_SSHD_CONFOPTS" >> $OBJ/sshd_config
fi
# server config for proxy connects
cp $OBJ/sshd_config $OBJ/sshd_proxy
# allow group-writable directories in proxy-mode
echo 'StrictModes no' >> $OBJ/sshd_proxy
# create client config
cat << EOF > $OBJ/ssh_config
Host *
Hostname 127.0.0.1
HostKeyAlias localhost-with-alias
Port $PORT
User $USER
GlobalKnownHostsFile $OBJ/known_hosts
UserKnownHostsFile $OBJ/known_hosts
RSAAuthentication yes
PubkeyAuthentication yes
ChallengeResponseAuthentication no
HostbasedAuthentication no
PasswordAuthentication no
BatchMode yes
StrictHostKeyChecking yes
EOF
if [ ! -z "$TEST_SSH_SSH_CONFOPTS" ]; then
trace "adding ssh_config option $TEST_SSH_SSHD_CONFOPTS"
echo "$TEST_SSH_SSH_CONFOPTS" >> $OBJ/ssh_config
fi
rm -f $OBJ/known_hosts $OBJ/authorized_keys_$USER
trace "generate keys"
for t in rsa rsa1; do
# generate user key
rm -f $OBJ/$t
${SSHKEYGEN} -b 1024 -q -N '' -t $t -f $OBJ/$t ||\
fail "ssh-keygen for $t failed"
# known hosts file for client
(
echon 'localhost-with-alias,127.0.0.1,::1 '
cat $OBJ/$t.pub
) >> $OBJ/known_hosts
# setup authorized keys
cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER
echo IdentityFile $OBJ/$t >> $OBJ/ssh_config
# use key as host key, too
$SUDO cp $OBJ/$t $OBJ/host.$t
echo HostKey $OBJ/host.$t >> $OBJ/sshd_config
# don't use SUDO for proxy connect
echo HostKey $OBJ/$t >> $OBJ/sshd_proxy
done
chmod 644 $OBJ/authorized_keys_$USER
# create a proxy version of the client config
(
cat $OBJ/ssh_config
echo proxycommand ${SUDO} sh ${SRC}/sshd-log-wrapper.sh ${SSHD} ${TEST_SSH_LOGFILE} -i -f $OBJ/sshd_proxy
) > $OBJ/ssh_proxy
# check proxy config
${SSHD} -t -f $OBJ/sshd_proxy || fatal "sshd_proxy broken"
start_sshd ()
{
# start sshd
$SUDO ${SSHD} -f $OBJ/sshd_config -t || fatal "sshd_config broken"
$SUDO ${SSHD} -f $OBJ/sshd_config -e >>$TEST_SSH_LOGFILE 2>&1
trace "wait for sshd"
i=0;
while [ ! -f $PIDFILE -a $i -lt 10 ]; do
i=`expr $i + 1`
sleep $i
done
test -f $PIDFILE || fatal "no sshd running on port $PORT"
}
# source test body
. $SCRIPT
# kill sshd
cleanup
if [ $RESULT -eq 0 ]; then
verbose ok $tid
else
echo failed $tid
fi
exit $RESULT