1# $OpenBSD: multiplex.sh,v 1.17 2012/10/05 02:05:30 dtucker Exp $ 2# Placed in the Public Domain. 3 4CTL=$OBJ/ctl-sock 5 6tid="connection multiplexing" 7 8DATA=/bin/ls 9COPY=$OBJ/ls.copy 10 11wait_for_mux_master_ready() 12{ 13 for i in 1 2 3 4 5; do 14 ${SSH} -F $OBJ/ssh_config -S $CTL -Ocheck otherhost \ 15 >/dev/null 2>&1 && return 0 16 sleep $i 17 done 18 fatal "mux master never becomes ready" 19} 20 21start_sshd 22 23trace "start master, fork to background" 24${SSH} -Nn2 -MS$CTL -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" somehost & 25MASTER_PID=$! 26wait_for_mux_master_ready 27 28verbose "test $tid: envpass" 29trace "env passing over multiplexed connection" 30_XXX_TEST=blah ${SSH} -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" -S$CTL otherhost sh << 'EOF' 31 test X"$_XXX_TEST" = X"blah" 32EOF 33if [ $? -ne 0 ]; then 34 fail "environment not found" 35fi 36 37verbose "test $tid: transfer" 38rm -f ${COPY} 39trace "ssh transfer over multiplexed connection and check result" 40${SSH} -F $OBJ/ssh_config -S$CTL otherhost cat ${DATA} > ${COPY} 41test -f ${COPY} || fail "ssh -Sctl: failed copy ${DATA}" 42cmp ${DATA} ${COPY} || fail "ssh -Sctl: corrupted copy of ${DATA}" 43 44rm -f ${COPY} 45trace "ssh transfer over multiplexed connection and check result" 46${SSH} -F $OBJ/ssh_config -S $CTL otherhost cat ${DATA} > ${COPY} 47test -f ${COPY} || fail "ssh -S ctl: failed copy ${DATA}" 48cmp ${DATA} ${COPY} || fail "ssh -S ctl: corrupted copy of ${DATA}" 49 50rm -f ${COPY} 51trace "sftp transfer over multiplexed connection and check result" 52echo "get ${DATA} ${COPY}" | \ 53 ${SFTP} -S ${SSH} -F $OBJ/ssh_config -oControlPath=$CTL otherhost >>$TEST_SSH_LOGFILE 2>&1 54test -f ${COPY} || fail "sftp: failed copy ${DATA}" 55cmp ${DATA} ${COPY} || fail "sftp: corrupted copy of ${DATA}" 56 57rm -f ${COPY} 58trace "scp transfer over multiplexed connection and check result" 59${SCP} -S ${SSH} -F $OBJ/ssh_config -oControlPath=$CTL otherhost:${DATA} ${COPY} >>$TEST_SSH_LOGFILE 2>&1 60test -f ${COPY} || fail "scp: failed copy ${DATA}" 61cmp ${DATA} ${COPY} || fail "scp: corrupted copy of ${DATA}" 62 63rm -f ${COPY} 64 65for s in 0 1 4 5 44; do 66 trace "exit status $s over multiplexed connection" 67 verbose "test $tid: status $s" 68 ${SSH} -F $OBJ/ssh_config -S $CTL otherhost exit $s 69 r=$? 70 if [ $r -ne $s ]; then 71 fail "exit code mismatch for protocol $p: $r != $s" 72 fi 73 74 # same with early close of stdout/err 75 trace "exit status $s with early close over multiplexed connection" 76 ${SSH} -F $OBJ/ssh_config -S $CTL -n otherhost \ 77 exec sh -c \'"sleep 2; exec > /dev/null 2>&1; sleep 3; exit $s"\' 78 r=$? 79 if [ $r -ne $s ]; then 80 fail "exit code (with sleep) mismatch for protocol $p: $r != $s" 81 fi 82done 83 84verbose "test $tid: cmd check" 85${SSH} -F $OBJ/ssh_config -S $CTL -Ocheck otherhost >>$TEST_SSH_LOGFILE 2>&1 \ 86 || fail "check command failed" 87 88verbose "test $tid: cmd exit" 89${SSH} -F $OBJ/ssh_config -S $CTL -Oexit otherhost >>$TEST_SSH_LOGFILE 2>&1 \ 90 || fail "send exit command failed" 91 92# Wait for master to exit 93wait $MASTER_PID 94kill -0 $MASTER_PID >/dev/null 2>&1 && fail "exit command failed" 95 96# Restart master and test -O stop command with master using -N 97verbose "test $tid: cmd stop" 98trace "restart master, fork to background" 99${SSH} -Nn2 -MS$CTL -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" somehost & 100MASTER_PID=$! 101wait_for_mux_master_ready 102 103# start a long-running command then immediately request a stop 104${SSH} -F $OBJ/ssh_config -S $CTL otherhost "sleep 10; exit 0" \ 105 >>$TEST_SSH_LOGFILE 2>&1 & 106SLEEP_PID=$! 107${SSH} -F $OBJ/ssh_config -S $CTL -Ostop otherhost >>$TEST_SSH_LOGFILE 2>&1 \ 108 || fail "send stop command failed" 109 110# wait until both long-running command and master have exited. 111wait $SLEEP_PID 112[ $! != 0 ] || fail "waiting for concurrent command" 113wait $MASTER_PID 114[ $! != 0 ] || fail "waiting for master stop" 115kill -0 $MASTER_PID >/dev/null 2>&1 && fail "stop command failed" 116