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# $OpenBSD: multiplex.sh,v 1.20 2013/04/22 07:28:53 dtucker Exp $
# Placed in the Public Domain.
CTL=/tmp/openssh.regress.ctl-sock.$$
tid="connection multiplexing"
if config_defined DISABLE_FD_PASSING ; then
echo "skipped (not supported on this platform)"
exit 0
fi
DATA=/bin/ls${EXEEXT}
COPY=$OBJ/ls.copy
P=3301 # test port
wait_for_mux_master_ready()
{
for i in 1 2 3 4 5; do
${SSH} -F $OBJ/ssh_config -S $CTL -Ocheck otherhost \
>/dev/null 2>&1 && return 0
sleep $i
done
fatal "mux master never becomes ready"
}
start_sshd
start_mux_master()
{
trace "start master, fork to background"
${SSH} -Nn2 -MS$CTL -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" somehost \
-E $TEST_REGRESS_LOGFILE 2>&1 &
MASTER_PID=$!
wait_for_mux_master_ready
}
start_mux_master
verbose "test $tid: envpass"
trace "env passing over multiplexed connection"
_XXX_TEST=blah ${SSH} -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" -S$CTL otherhost sh << 'EOF'
test X"$_XXX_TEST" = X"blah"
EOF
if [ $? -ne 0 ]; then
fail "environment not found"
fi
verbose "test $tid: transfer"
rm -f ${COPY}
trace "ssh transfer over multiplexed connection and check result"
${SSH} -F $OBJ/ssh_config -S$CTL otherhost cat ${DATA} > ${COPY}
test -f ${COPY} || fail "ssh -Sctl: failed copy ${DATA}"
cmp ${DATA} ${COPY} || fail "ssh -Sctl: corrupted copy of ${DATA}"
rm -f ${COPY}
trace "ssh transfer over multiplexed connection and check result"
${SSH} -F $OBJ/ssh_config -S $CTL otherhost cat ${DATA} > ${COPY}
test -f ${COPY} || fail "ssh -S ctl: failed copy ${DATA}"
cmp ${DATA} ${COPY} || fail "ssh -S ctl: corrupted copy of ${DATA}"
rm -f ${COPY}
trace "sftp transfer over multiplexed connection and check result"
echo "get ${DATA} ${COPY}" | \
${SFTP} -S ${SSH} -F $OBJ/ssh_config -oControlPath=$CTL otherhost >>$TEST_REGRESS_LOGFILE 2>&1
test -f ${COPY} || fail "sftp: failed copy ${DATA}"
cmp ${DATA} ${COPY} || fail "sftp: corrupted copy of ${DATA}"
rm -f ${COPY}
trace "scp transfer over multiplexed connection and check result"
${SCP} -S ${SSH} -F $OBJ/ssh_config -oControlPath=$CTL otherhost:${DATA} ${COPY} >>$TEST_REGRESS_LOGFILE 2>&1
test -f ${COPY} || fail "scp: failed copy ${DATA}"
cmp ${DATA} ${COPY} || fail "scp: corrupted copy of ${DATA}"
rm -f ${COPY}
for s in 0 1 4 5 44; do
trace "exit status $s over multiplexed connection"
verbose "test $tid: status $s"
${SSH} -F $OBJ/ssh_config -S $CTL otherhost exit $s
r=$?
if [ $r -ne $s ]; then
fail "exit code mismatch for protocol $p: $r != $s"
fi
# same with early close of stdout/err
trace "exit status $s with early close over multiplexed connection"
${SSH} -F $OBJ/ssh_config -S $CTL -n otherhost \
exec sh -c \'"sleep 2; exec > /dev/null 2>&1; sleep 3; exit $s"\'
r=$?
if [ $r -ne $s ]; then
fail "exit code (with sleep) mismatch for protocol $p: $r != $s"
fi
done
verbose "test $tid: cmd check"
${SSH} -F $OBJ/ssh_config -S $CTL -Ocheck otherhost >>$TEST_REGRESS_LOGFILE 2>&1 \
|| fail "check command failed"
verbose "test $tid: cmd forward local"
${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L $P:localhost:$PORT otherhost \
|| fail "request local forward failed"
${SSH} -F $OBJ/ssh_config -p$P otherhost true \
|| fail "connect to local forward port failed"
${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -L $P:localhost:$PORT otherhost \
|| fail "cancel local forward failed"
${SSH} -F $OBJ/ssh_config -p$P otherhost true \
&& fail "local forward port still listening"
verbose "test $tid: cmd forward remote"
${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -R $P:localhost:$PORT otherhost \
|| fail "request remote forward failed"
${SSH} -F $OBJ/ssh_config -p$P otherhost true \
|| fail "connect to remote forwarded port failed"
${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -R $P:localhost:$PORT otherhost \
|| fail "cancel remote forward failed"
${SSH} -F $OBJ/ssh_config -p$P otherhost true \
&& fail "remote forward port still listening"
verbose "test $tid: cmd exit"
${SSH} -F $OBJ/ssh_config -S $CTL -Oexit otherhost >>$TEST_REGRESS_LOGFILE 2>&1 \
|| fail "send exit command failed"
# Wait for master to exit
wait $MASTER_PID
kill -0 $MASTER_PID >/dev/null 2>&1 && fail "exit command failed"
# Restart master and test -O stop command with master using -N
verbose "test $tid: cmd stop"
trace "restart master, fork to background"
start_mux_master
# start a long-running command then immediately request a stop
${SSH} -F $OBJ/ssh_config -S $CTL otherhost "sleep 10; exit 0" \
>>$TEST_REGRESS_LOGFILE 2>&1 &
SLEEP_PID=$!
${SSH} -F $OBJ/ssh_config -S $CTL -Ostop otherhost >>$TEST_REGRESS_LOGFILE 2>&1 \
|| fail "send stop command failed"
# wait until both long-running command and master have exited.
wait $SLEEP_PID
[ $! != 0 ] || fail "waiting for concurrent command"
wait $MASTER_PID
[ $! != 0 ] || fail "waiting for master stop"
kill -0 $MASTER_PID >/dev/null 2>&1 && fail "stop command failed"
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