# $OpenBSD: test-exec.sh,v 1.57 2016/11/25 03:02:01 dtucker 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 ;; CYGWIN_NT-5.0) os=cygwin TEST_SSH_IPV6=no ;; CYGWIN*) os=cygwin ;; 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 ${SCRIPT}` # defaults SSH=ssh SSHD=sshd SSHAGENT=ssh-agent SSHADD=ssh-add SSHKEYGEN=ssh-keygen SSHKEYSCAN=ssh-keyscan SFTP=sftp SFTPSERVER=/usr/libexec/openssh/sftp-server SCP=scp # Interop testing PLINK=plink PUTTYGEN=puttygen CONCH=conch if [ "x$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="${TEST_SSH_SCP}" fi if [ "x$TEST_SSH_PLINK" != "x" ]; then # Find real binary, if it exists case "${TEST_SSH_PLINK}" in /*) PLINK="${TEST_SSH_PLINK}" ;; *) PLINK=`which ${TEST_SSH_PLINK} 2>/dev/null` ;; esac fi if [ "x$TEST_SSH_PUTTYGEN" != "x" ]; then # Find real binary, if it exists case "${TEST_SSH_PUTTYGEN}" in /*) PUTTYGEN="${TEST_SSH_PUTTYGEN}" ;; *) PUTTYGEN=`which ${TEST_SSH_PUTTYGEN} 2>/dev/null` ;; esac fi if [ "x$TEST_SSH_CONCH" != "x" ]; then # Find real binary, if it exists case "${TEST_SSH_CONCH}" in /*) CONCH="${TEST_SSH_CONCH}" ;; *) CONCH=`which ${TEST_SSH_CONCH} 2>/dev/null` ;; esac fi SSH_PROTOCOLS=2 #SSH_PROTOCOLS=`$SSH -Q protocol-version` if [ "x$TEST_SSH_PROTOCOLS" != "x" ]; then SSH_PROTOCOLS="${TEST_SSH_PROTOCOLS}" fi # Path to sshd must be absolute for rexec case "$SSHD" in /*) ;; *) SSHD=`which $SSHD` ;; esac case "$SSHAGENT" in /*) ;; *) SSHAGENT=`which $SSHAGENT` ;; esac # Record the actual binaries used. SSH_BIN=${SSH} SSHD_BIN=${SSHD} SSHAGENT_BIN=${SSHAGENT} SSHADD_BIN=${SSHADD} SSHKEYGEN_BIN=${SSHKEYGEN} SSHKEYSCAN_BIN=${SSHKEYSCAN} SFTP_BIN=${SFTP} SFTPSERVER_BIN=${SFTPSERVER} SCP_BIN=${SCP} if [ "x$USE_VALGRIND" != "x" ]; then mkdir -p $OBJ/valgrind-out VG_TEST=`basename $SCRIPT .sh` # Some tests are difficult to fix. case "$VG_TEST" in connect-privsep|reexec) VG_SKIP=1 ;; esac if [ x"$VG_SKIP" = "x" ]; then VG_IGNORE="/bin/*,/sbin/*,/usr/*,/var/*" VG_LOG="$OBJ/valgrind-out/${VG_TEST}." VG_OPTS="--track-origins=yes --leak-check=full" VG_OPTS="$VG_OPTS --trace-children=yes" VG_OPTS="$VG_OPTS --trace-children-skip=${VG_IGNORE}" VG_PATH="valgrind" if [ "x$VALGRIND_PATH" != "x" ]; then VG_PATH="$VALGRIND_PATH" fi VG="$VG_PATH $VG_OPTS" SSH="$VG --log-file=${VG_LOG}ssh.%p $SSH" SSHD="$VG --log-file=${VG_LOG}sshd.%p $SSHD" SSHAGENT="$VG --log-file=${VG_LOG}ssh-agent.%p $SSHAGENT" SSHADD="$VG --log-file=${VG_LOG}ssh-add.%p $SSHADD" SSHKEYGEN="$VG --log-file=${VG_LOG}ssh-keygen.%p $SSHKEYGEN" SSHKEYSCAN="$VG --log-file=${VG_LOG}ssh-keyscan.%p $SSHKEYSCAN" SFTP="$VG --log-file=${VG_LOG}sftp.%p ${SFTP}" SCP="$VG --log-file=${VG_LOG}scp.%p $SCP" cat > $OBJ/valgrind-sftp-server.sh << EOF #!/bin/sh exec $VG --log-file=${VG_LOG}sftp-server.%p $SFTPSERVER "\$@" EOF chmod a+rx $OBJ/valgrind-sftp-server.sh SFTPSERVER="$OBJ/valgrind-sftp-server.sh" fi fi # Logfiles. # SSH_LOGFILE should be the debug output of ssh(1) only # SSHD_LOGFILE should be the debug output of sshd(8) only # REGRESS_LOGFILE is the output of the test itself stdout and stderr if [ "x$TEST_SSH_LOGFILE" = "x" ]; then TEST_SSH_LOGFILE=$OBJ/ssh.log fi if [ "x$TEST_SSHD_LOGFILE" = "x" ]; then TEST_SSHD_LOGFILE=$OBJ/sshd.log fi if [ "x$TEST_REGRESS_LOGFILE" = "x" ]; then TEST_REGRESS_LOGFILE=$OBJ/regress.log fi # truncate logfiles >$TEST_SSH_LOGFILE >$TEST_SSHD_LOGFILE >$TEST_REGRESS_LOGFILE # Create wrapper ssh with logging. We can't just specify "SSH=ssh -E..." # because sftp and scp don't handle spaces in arguments. SSHLOGWRAP=$OBJ/ssh-log-wrapper.sh echo "#!/bin/sh" > $SSHLOGWRAP echo "exec ${SSH} -E${TEST_SSH_LOGFILE} "'"$@"' >>$SSHLOGWRAP chmod a+rx $OBJ/ssh-log-wrapper.sh REAL_SSH="$SSH" SSH="$SSHLOGWRAP" # Some test data. We make a copy because some tests will overwrite it. # The tests may assume that $DATA exists and is writable and $COPY does # not exist. Tests requiring larger data files can call increase_datafile_size # [kbytes] to ensure the file is at least that large. DATANAME=data DATA=$OBJ/${DATANAME} cat ${SSHAGENT_BIN} >${DATA} chmod u+w ${DATA} COPY=$OBJ/copy rm -f ${COPY} increase_datafile_size() { while [ `du -k ${DATA} | cut -f1` -lt $1 ]; do cat ${SSHAGENT_BIN} >>${DATA} done } # 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 $SCP # Portable specific functions have_prog() { saved_IFS="$IFS" IFS=":" for i in $PATH do if [ -x $i/$1 ]; then IFS="$saved_IFS" return 0 fi done IFS="$saved_IFS" return 1 } jot() { awk "BEGIN { for (i = $2; i < $2 + $1; i++) { printf \"%d\n\", i } exit }" } # Check whether preprocessor symbols are defined in config.h. config_defined () { str=$1 while test "x$2" != "x" ; do str="$str|$2" shift done egrep "^#define.*($str)" ${BUILDDIR}/config.h >/dev/null 2>&1 } md5 () { if have_prog md5sum; then md5sum elif have_prog openssl; then openssl md5 elif have_prog cksum; then cksum elif have_prog sum; then sum else wc -c fi } # End of portable specific functions # helper cleanup () { if [ "x$SSH_PID" != "x" ]; then if [ $SSH_PID -lt 2 ]; then echo bad pid for ssh: $SSH_PID else kill $SSH_PID fi fi if [ -f $PIDFILE ]; then pid=`$SUDO cat $PIDFILE` if [ "X$pid" = "X" ]; then echo no sshd running else if [ $pid -lt 2 ]; then echo bad pid for sshd: $pid else $SUDO kill $pid trace "wait for sshd to exit" i=0; while [ -f $PIDFILE -a $i -lt 5 ]; do i=`expr $i + 1` sleep $i done test -f $PIDFILE && \ fatal "sshd didn't exit port $PORT pid $pid" fi fi fi } start_debug_log () { echo "trace: $@" >$TEST_REGRESS_LOGFILE echo "trace: $@" >$TEST_SSH_LOGFILE echo "trace: $@" >$TEST_SSHD_LOGFILE } save_debug_log () { echo $@ >>$TEST_REGRESS_LOGFILE echo $@ >>$TEST_SSH_LOGFILE echo $@ >>$TEST_SSHD_LOGFILE (cat $TEST_REGRESS_LOGFILE; echo) >>$OBJ/failed-regress.log (cat $TEST_SSH_LOGFILE; echo) >>$OBJ/failed-ssh.log (cat $TEST_SSHD_LOGFILE; echo) >>$OBJ/failed-sshd.log } trace () { start_debug_log $@ if [ "X$TEST_SSH_TRACE" = "Xyes" ]; then echo "$@" fi } verbose () { start_debug_log $@ if [ "X$TEST_SSH_QUIET" != "Xyes" ]; then echo "$@" fi } warn () { echo "WARNING: $@" >>$TEST_SSH_LOGFILE echo "WARNING: $@" } fail () { save_debug_log "FAIL: $@" RESULT=1 echo "$@" } fatal () { save_debug_log "FATAL: $@" printf "FATAL: " fail "$@" cleanup exit $RESULT } ssh_version () { echo ${SSH_PROTOCOLS} | grep "$1" >/dev/null } RESULT=0 PIDFILE=$OBJ/pidfile trap fatal 3 2 if ssh_version 1; then PROTO="2,1" else PROTO="2" fi # 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 DEBUG3 AcceptEnv _XXX_TEST_* AcceptEnv _XXX_TEST Subsystem sftp $SFTPSERVER EOF # This may be necessary if /usr/src and/or /usr/obj are group-writable, # but if you aren't careful with permissions then the unit tests could # be abused to locally escalate privileges. if [ ! -z "$TEST_SSH_UNSAFE_PERMISSIONS" ]; then echo "StrictModes no" >> $OBJ/sshd_config fi if [ ! -z "$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 $OBJ/known_hosts RSAAuthentication yes PubkeyAuthentication yes ChallengeResponseAuthentication no HostbasedAuthentication no PasswordAuthentication no RhostsRSAAuthentication no BatchMode yes StrictHostKeyChecking yes LogLevel DEBUG3 EOF if [ ! -z "$TEST_SSH_SSH_CONFOPTS" ]; then trace "adding ssh_config option $TEST_SSH_SSH_CONFOPTS" echo "$TEST_SSH_SSH_CONFOPTS" >> $OBJ/ssh_config fi rm -f $OBJ/known_hosts $OBJ/authorized_keys_$USER if ssh_version 1; then SSH_KEYTYPES="rsa rsa1" else SSH_KEYTYPES="rsa ed25519" fi trace "generate keys" for t in ${SSH_KEYTYPES}; do # generate user key if [ ! -f $OBJ/$t ] || [ ${SSHKEYGEN_BIN} -nt $OBJ/$t ]; then rm -f $OBJ/$t ${SSHKEYGEN} -q -N '' -t $t -f $OBJ/$t ||\ fail "ssh-keygen for $t failed" fi # known hosts file for client ( printf '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 # Activate Twisted Conch tests if the binary is present REGRESS_INTEROP_CONCH=no if test -x "$CONCH" ; then REGRESS_INTEROP_CONCH=yes fi # If PuTTY is present and we are running a PuTTY test, prepare keys and # configuration REGRESS_INTEROP_PUTTY=no if test -x "$PUTTYGEN" -a -x "$PLINK" ; then REGRESS_INTEROP_PUTTY=yes fi case "$SCRIPT" in *putty*) ;; *) REGRESS_INTEROP_PUTTY=no ;; esac if test "$REGRESS_INTEROP_PUTTY" = "yes" ; then mkdir -p ${OBJ}/.putty # Add a PuTTY key to authorized_keys rm -f ${OBJ}/putty.rsa2 if ! puttygen -t rsa -o ${OBJ}/putty.rsa2 \ --new-passphrase /dev/null < /dev/null > /dev/null; then echo "Your installed version of PuTTY is too old to support --new-passphrase; trying without (may require manual interaction) ..." >&2 puttygen -t rsa -o ${OBJ}/putty.rsa2 < /dev/null > /dev/null fi puttygen -O public-openssh ${OBJ}/putty.rsa2 \ >> $OBJ/authorized_keys_$USER # Convert rsa2 host key to PuTTY format ${SRC}/ssh2putty.sh 127.0.0.1 $PORT $OBJ/rsa > \ ${OBJ}/.putty/sshhostkeys ${SRC}/ssh2putty.sh 127.0.0.1 22 $OBJ/rsa >> \ ${OBJ}/.putty/sshhostkeys # Setup proxied session mkdir -p ${OBJ}/.putty/sessions rm -f ${OBJ}/.putty/sessions/localhost_proxy echo "Protocol=ssh" >> ${OBJ}/.putty/sessions/localhost_proxy echo "HostName=127.0.0.1" >> ${OBJ}/.putty/sessions/localhost_proxy echo "PortNumber=$PORT" >> ${OBJ}/.putty/sessions/localhost_proxy echo "ProxyMethod=5" >> ${OBJ}/.putty/sessions/localhost_proxy echo "ProxyTelnetCommand=sh ${SRC}/sshd-log-wrapper.sh ${TEST_SSHD_LOGFILE} ${SSHD} -i -f $OBJ/sshd_proxy" >> ${OBJ}/.putty/sessions/localhost_proxy echo "ProxyLocalhost=1" >> ${OBJ}/.putty/sessions/localhost_proxy REGRESS_INTEROP_PUTTY=yes fi # create a proxy version of the client config ( cat $OBJ/ssh_config echo proxycommand ${SUDO} sh ${SRC}/sshd-log-wrapper.sh ${TEST_SSHD_LOGFILE} ${SSHD} -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_SSHD_LOGFILE 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