| # $OpenBSD: multiplex.sh,v 1.26 2014/12/22 01:14:49 djm Exp $ |
| # Placed in the Public Domain. |
| |
| CTL=/tmp/openssh.regress.ctl-sock.$$ |
| |
| tid="connection multiplexing" |
| |
| if have_prog nc ; then |
| if nc -h 2>&1 | grep -- -N >/dev/null; then |
| NC="nc -N"; |
| elif nc -h 2>&1 | grep -- "-U.*Use UNIX" >/dev/null ; then |
| NC="nc" |
| else |
| echo "nc is incompatible" |
| fi |
| fi |
| |
| if test -z "$NC" ; then |
| echo "skipped (no compatible nc found)" |
| exit 0 |
| fi |
| |
| trace "will use ProxyCommand $proxycmd" |
| if config_defined DISABLE_FD_PASSING ; then |
| echo "skipped (not supported on this platform)" |
| exit 0 |
| fi |
| |
| 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 & |
| # NB. $SSH_PID will be killed by test-exec.sh:cleanup on fatal errors. |
| SSH_PID=$! |
| 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} |
| verbose "test $tid: forward" |
| trace "forward over TCP/IP and check result" |
| $NC -l 127.0.0.1 $((${PORT} + 1)) < ${DATA} > /dev/null & |
| netcat_pid=$! |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L127.0.0.1:$((${PORT} + 2)):127.0.0.1:$((${PORT} + 1)) otherhost >>$TEST_SSH_LOGFILE 2>&1 |
| $NC -d 127.0.0.1 $((${PORT} + 2)) > ${COPY} < /dev/null |
| cmp ${DATA} ${COPY} || fail "ssh: corrupted copy of ${DATA}" |
| kill $netcat_pid 2>/dev/null |
| rm -f ${COPY} $OBJ/unix-[123].fwd |
| |
| trace "forward over UNIX and check result" |
| $NC -Ul $OBJ/unix-1.fwd < ${DATA} > /dev/null & |
| netcat_pid=$! |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L$OBJ/unix-2.fwd:$OBJ/unix-1.fwd otherhost >>$TEST_SSH_LOGFILE 2>&1 |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -R$OBJ/unix-3.fwd:$OBJ/unix-2.fwd otherhost >>$TEST_SSH_LOGFILE 2>&1 |
| $NC -d -U $OBJ/unix-3.fwd > ${COPY} < /dev/null |
| cmp ${DATA} ${COPY} || fail "ssh: corrupted copy of ${DATA}" |
| kill $netcat_pid 2>/dev/null |
| rm -f ${COPY} $OBJ/unix-[123].fwd |
| |
| 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 (TCP)" |
| ${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 (TCP)" |
| ${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 forward local (UNIX)" |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L $OBJ/unix-1.fwd:localhost:$PORT otherhost \ |
| || fail "request local forward failed" |
| echo "" | $NC -U $OBJ/unix-1.fwd | grep "Protocol mismatch" >/dev/null 2>&1 \ |
| || fail "connect to local forward path failed" |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -L $OBJ/unix-1.fwd:localhost:$PORT otherhost \ |
| || fail "cancel local forward failed" |
| N=$(echo "xyzzy" | $NC -U $OBJ/unix-1.fwd 2>&1 | grep "xyzzy" | wc -l) |
| test ${N} -eq 0 || fail "local forward path still listening" |
| rm -f $OBJ/unix-1.fwd |
| |
| verbose "test $tid: cmd forward remote (UNIX)" |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -R $OBJ/unix-1.fwd:localhost:$PORT otherhost \ |
| || fail "request remote forward failed" |
| echo "" | $NC -U $OBJ/unix-1.fwd | grep "Protocol mismatch" >/dev/null 2>&1 \ |
| || fail "connect to remote forwarded path failed" |
| ${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -R $OBJ/unix-1.fwd:localhost:$PORT otherhost \ |
| || fail "cancel remote forward failed" |
| N=$(echo "xyzzy" | $NC -U $OBJ/unix-1.fwd 2>&1 | grep "xyzzy" | wc -l) |
| test ${N} -eq 0 || fail "remote forward path still listening" |
| rm -f $OBJ/unix-1.fwd |
| |
| 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 $SSH_PID |
| kill -0 $SSH_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 $SSH_PID |
| [ $! != 0 ] || fail "waiting for master stop" |
| kill -0 $SSH_PID >/dev/null 2>&1 && fatal "stop command failed" |
| SSH_PID="" # Already gone, so don't kill in cleanup |
| |