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210 lines
7.6 KiB
Bash
210 lines
7.6 KiB
Bash
# $OpenBSD: multiplex.sh,v 1.34 2022/06/03 04:31:54 djm Exp $
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# Placed in the Public Domain.
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make_tmpdir
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CTL=${SSH_REGRESS_TMP}/ctl-sock
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tid="connection multiplexing"
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trace "will use ProxyCommand $proxycmd"
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if config_defined DISABLE_FD_PASSING ; then
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echo "skipped (not supported on this platform)"
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exit 0
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fi
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P=3301 # test port
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wait_for_mux_master_ready()
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{
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for i in 1 2 3 4 5 6 7 8 9; do
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${SSH} -F $OBJ/ssh_config -S $CTL -Ocheck otherhost \
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>/dev/null 2>&1 && return 0
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sleep $i
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done
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fatal "mux master never becomes ready"
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}
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start_sshd
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start_mux_master()
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{
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trace "start master, fork to background"
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${SSH} -Nn2 -MS$CTL -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" somehost \
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-E $TEST_REGRESS_LOGFILE 2>&1 &
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# NB. $SSH_PID will be killed by test-exec.sh:cleanup on fatal errors.
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SSH_PID=$!
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wait_for_mux_master_ready
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}
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start_mux_master
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verbose "test $tid: setenv"
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trace "setenv over multiplexed connection"
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_XXX_TEST=blah ${SSH} -F $OBJ/ssh_config -oSendEnv="_XXX_TEST" -S$CTL otherhost sh << 'EOF'
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test X"$_XXX_TEST" = X"blah"
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EOF
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if [ $? -ne 0 ]; then
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fail "environment not found"
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fi
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verbose "test $tid: envpass"
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trace "env passing over multiplexed connection"
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${SSH} -F $OBJ/ssh_config -oSetEnv="_XXX_TEST=foo" -S$CTL otherhost sh << 'EOF'
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test X"$_XXX_TEST" = X"foo"
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EOF
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if [ $? -ne 0 ]; then
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fail "environment not found"
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fi
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verbose "test $tid: transfer"
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rm -f ${COPY}
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trace "ssh transfer over multiplexed connection and check result"
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${SSH} -F $OBJ/ssh_config -S$CTL otherhost cat ${DATA} > ${COPY}
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test -f ${COPY} || fail "ssh -Sctl: failed copy ${DATA}"
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cmp ${DATA} ${COPY} || fail "ssh -Sctl: corrupted copy of ${DATA}"
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rm -f ${COPY}
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trace "ssh transfer over multiplexed connection and check result"
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${SSH} -F $OBJ/ssh_config -S $CTL otherhost cat ${DATA} > ${COPY}
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test -f ${COPY} || fail "ssh -S ctl: failed copy ${DATA}"
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cmp ${DATA} ${COPY} || fail "ssh -S ctl: corrupted copy of ${DATA}"
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rm -f ${COPY}
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trace "sftp transfer over multiplexed connection and check result"
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echo "get ${DATA} ${COPY}" | \
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${SFTP} -S ${SSH} -F $OBJ/ssh_config -oControlPath=$CTL otherhost >>$TEST_REGRESS_LOGFILE 2>&1
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test -f ${COPY} || fail "sftp: failed copy ${DATA}"
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cmp ${DATA} ${COPY} || fail "sftp: corrupted copy of ${DATA}"
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rm -f ${COPY}
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trace "scp transfer over multiplexed connection and check result"
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${SCP} -S ${SSH} -F $OBJ/ssh_config -oControlPath=$CTL otherhost:${DATA} ${COPY} >>$TEST_REGRESS_LOGFILE 2>&1
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test -f ${COPY} || fail "scp: failed copy ${DATA}"
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cmp ${DATA} ${COPY} || fail "scp: corrupted copy of ${DATA}"
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rm -f ${COPY}
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verbose "test $tid: forward"
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trace "forward over TCP/IP and check result"
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$NC -N -l 127.0.0.1 $((${PORT} + 1)) < ${DATA} > /dev/null &
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netcat_pid=$!
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${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
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sleep 1 # XXX remove once race fixed
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$NC 127.0.0.1 $((${PORT} + 2)) < /dev/null > ${COPY}
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cmp ${DATA} ${COPY} || fail "ssh: corrupted copy of ${DATA}"
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kill $netcat_pid 2>/dev/null
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rm -f ${COPY} $OBJ/unix-[123].fwd
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trace "forward over UNIX and check result"
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$NC -N -Ul $OBJ/unix-1.fwd < ${DATA} > /dev/null &
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netcat_pid=$!
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${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L$OBJ/unix-2.fwd:$OBJ/unix-1.fwd otherhost >>$TEST_SSH_LOGFILE 2>&1
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${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -R$OBJ/unix-3.fwd:$OBJ/unix-2.fwd otherhost >>$TEST_SSH_LOGFILE 2>&1
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sleep 1 # XXX remove once race fixed
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$NC -U $OBJ/unix-3.fwd < /dev/null > ${COPY}
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cmp ${DATA} ${COPY} || fail "ssh: corrupted copy of ${DATA}"
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kill $netcat_pid 2>/dev/null
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rm -f ${COPY} $OBJ/unix-[123].fwd
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for s in 0 1 4 5 44; do
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for mode in "" "-Oproxy"; do
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trace "exit status $s over multiplexed connection ($mode)"
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verbose "test $tid: status $s ($mode)"
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${SSH} -F $OBJ/ssh_config -S $CTL $mode otherhost exit $s
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r=$?
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if [ $r -ne $s ]; then
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fail "exit code mismatch: $r != $s"
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fi
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# same with early close of stdout/err
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trace "exit status $s with early close over multiplexed connection ($mode)"
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${SSH} -F $OBJ/ssh_config -S $CTL -n $mode otherhost \
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exec sh -c \'"sleep 2; exec > /dev/null 2>&1; sleep 3; exit $s"\'
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r=$?
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if [ $r -ne $s ]; then
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fail "exit code (with sleep) mismatch: $r != $s"
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fi
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done
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done
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verbose "test $tid: cmd check"
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${SSH} -F $OBJ/ssh_config -S $CTL -Ocheck otherhost >>$TEST_REGRESS_LOGFILE 2>&1 \
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|| fail "check command failed"
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verbose "test $tid: cmd forward local (TCP)"
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${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L $P:localhost:$PORT otherhost \
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|| fail "request local forward failed"
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sleep 1 # XXX remove once race fixed
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${SSH} -F $OBJ/ssh_config -p$P otherhost true \
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|| fail "connect to local forward port failed"
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${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -L $P:localhost:$PORT otherhost \
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|| fail "cancel local forward failed"
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${SSH} -F $OBJ/ssh_config -p$P otherhost true \
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&& fail "local forward port still listening"
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verbose "test $tid: cmd forward remote (TCP)"
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${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -R $P:localhost:$PORT otherhost \
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|| fail "request remote forward failed"
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sleep 1 # XXX remove once race fixed
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${SSH} -F $OBJ/ssh_config -p$P otherhost true \
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|| fail "connect to remote forwarded port failed"
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${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -R $P:localhost:$PORT otherhost \
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|| fail "cancel remote forward failed"
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${SSH} -F $OBJ/ssh_config -p$P otherhost true \
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&& fail "remote forward port still listening"
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verbose "test $tid: cmd forward local (UNIX)"
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${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -L $OBJ/unix-1.fwd:localhost:$PORT otherhost \
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|| fail "request local forward failed"
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sleep 1 # XXX remove once race fixed
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echo "" | $NC -U $OBJ/unix-1.fwd | \
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grep "Invalid SSH identification string" >/dev/null 2>&1 \
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|| fail "connect to local forward path failed"
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${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -L $OBJ/unix-1.fwd:localhost:$PORT otherhost \
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|| fail "cancel local forward failed"
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N=$(echo "xyzzy" | $NC -U $OBJ/unix-1.fwd 2>&1 | grep "xyzzy" | wc -l)
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test ${N} -eq 0 || fail "local forward path still listening"
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rm -f $OBJ/unix-1.fwd
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verbose "test $tid: cmd forward remote (UNIX)"
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${SSH} -F $OBJ/ssh_config -S $CTL -Oforward -R $OBJ/unix-1.fwd:localhost:$PORT otherhost \
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|| fail "request remote forward failed"
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sleep 1 # XXX remove once race fixed
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echo "" | $NC -U $OBJ/unix-1.fwd | \
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grep "Invalid SSH identification string" >/dev/null 2>&1 \
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|| fail "connect to remote forwarded path failed"
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${SSH} -F $OBJ/ssh_config -S $CTL -Ocancel -R $OBJ/unix-1.fwd:localhost:$PORT otherhost \
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|| fail "cancel remote forward failed"
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N=$(echo "xyzzy" | $NC -U $OBJ/unix-1.fwd 2>&1 | grep "xyzzy" | wc -l)
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test ${N} -eq 0 || fail "remote forward path still listening"
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rm -f $OBJ/unix-1.fwd
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verbose "test $tid: cmd exit"
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${SSH} -F $OBJ/ssh_config -S $CTL -Oexit otherhost >>$TEST_REGRESS_LOGFILE 2>&1 \
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|| fail "send exit command failed"
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# Wait for master to exit
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wait $SSH_PID
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kill -0 $SSH_PID >/dev/null 2>&1 && fail "exit command failed"
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# Restart master and test -O stop command with master using -N
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verbose "test $tid: cmd stop"
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trace "restart master, fork to background"
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start_mux_master
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# start a long-running command then immediately request a stop
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${SSH} -F $OBJ/ssh_config -S $CTL otherhost "sleep 10; exit 0" \
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>>$TEST_REGRESS_LOGFILE 2>&1 &
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SLEEP_PID=$!
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${SSH} -F $OBJ/ssh_config -S $CTL -Ostop otherhost >>$TEST_REGRESS_LOGFILE 2>&1 \
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|| fail "send stop command failed"
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# wait until both long-running command and master have exited.
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wait $SLEEP_PID
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[ $! != 0 ] || fail "waiting for concurrent command"
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wait $SSH_PID
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[ $! != 0 ] || fail "waiting for master stop"
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kill -0 $SSH_PID >/dev/null 2>&1 && fatal "stop command failed"
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SSH_PID="" # Already gone, so don't kill in cleanup
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