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Diffstat (limited to '')
| -rw-r--r-- | regress/test-exec.sh | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/regress/test-exec.sh b/regress/test-exec.sh new file mode 100644 index 0000000..40d46e3 --- /dev/null +++ b/regress/test-exec.sh @@ -0,0 +1,593 @@ +# $OpenBSD: test-exec.sh,v 1.64 2018/08/10 01:35:49 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 ${SCRIPT}` + +# defaults +SSH=ssh +SSHD=sshd +SSHAGENT=ssh-agent +SSHADD=ssh-add +SSHKEYGEN=ssh-keygen +SSHKEYSCAN=ssh-keyscan +SFTP=sftp +SFTPSERVER=/usr/libexec/openssh/sftp-server +SCP=scp + +# Set by make_tmpdir() on demand (below). +SSH_REGRESS_TMP= + +# Interop testing +PLINK=plink +PUTTYGEN=puttygen +CONCH=conch + +if [ "x$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 ${TEST_SSH_CONCH} 2>/dev/null` ;; + esac +fi + +# Path to sshd must be absolute for rexec +case "$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"$VG_SKIP" = "x" ]; then + VG_LEAK="--leak-check=no" + if [ x"$VALGRIND_CHECK_LEAKS" != "x" ]; then + VG_LEAK="--leak-check=full" + fi + VG_IGNORE="/bin/*,/sbin/*,/usr/*,/var/*" + VG_LOG="$OBJ/valgrind-out/${VG_TEST}." + VG_OPTS="--track-origins=yes $VG_LEAK" + VG_OPTS="$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 + +stop_sshd () +{ + 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 + if test -f $PIDFILE; then + if $SUDO kill -0 $pid; then + echo "sshd didn't exit " \ + "port $PORT pid $pid" + else + echo "sshd died without cleanup" + fi + exit 1 + fi + fi + fi + fi +} + +make_tmpdir () +{ + SSH_REGRESS_TMP="$($OBJ/mkdtemp openssh-XXXXXXXX)" || \ + fatal "failed to create temporary directory" +} + +# helper +cleanup () +{ + if [ "x$SSH_PID" != "x" ]; then + if [ $SSH_PID -lt 2 ]; then + echo bad pid for ssh: $SSH_PID + else + kill $SSH_PID + fi + fi + if [ "x$SSH_REGRESS_TMP" != "x" ]; then + rm -rf "$SSH_REGRESS_TMP" + fi + stop_sshd +} + +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: $@" + RESULT=1 + echo "$@" + if test "x$TEST_SSH_FAIL_FATAL" != "x" ; then + cleanup + exit $RESULT + fi +} + +fatal () +{ + save_debug_log "FATAL: $@" + printf "FATAL: " + fail "$@" + 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 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 $OBJ/known_hosts + PubkeyAuthentication yes + ChallengeResponseAuthentication no + HostbasedAuthentication no + PasswordAuthentication no + BatchMode yes + StrictHostKeyChecking yes + LogLevel DEBUG3 +EOF + +if [ ! -z "$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 + +SSH_KEYTYPES="rsa ed25519" + +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 \ + --random-device=/dev/urandom \ + --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 + cp $OBJ/rsa $OBJ/rsa_oldfmt + ${SSHKEYGEN} -p -N '' -m PEM -f $OBJ/rsa_oldfmt >/dev/null + ${SRC}/ssh2putty.sh 127.0.0.1 $PORT $OBJ/rsa_oldfmt > \ + ${OBJ}/.putty/sshhostkeys + ${SRC}/ssh2putty.sh 127.0.0.1 22 $OBJ/rsa_oldfmt >> \ + ${OBJ}/.putty/sshhostkeys + rm -f $OBJ/rsa_oldfmt + + # 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" >> ${OBJ}/.putty/sessions/localhost_proxy + + PUTTYDIR=${OBJ}/.putty + export PUTTYDIR + + 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 |