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[regress/dynamic-forward.sh]
Retry establishing the port forwarding after a small delay, should make
the tests less flaky when the previous test is slow to shut down and free
up the port.
62 lines
1.5 KiB
Bash
62 lines
1.5 KiB
Bash
# $OpenBSD: dynamic-forward.sh,v 1.9 2011/06/03 00:29:52 dtucker Exp $
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# Placed in the Public Domain.
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tid="dynamic forwarding"
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FWDPORT=`expr $PORT + 1`
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DATA=/bin/ls${EXEEXT}
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if have_prog nc && nc -h 2>&1 | grep "proxy address" >/dev/null; then
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proxycmd="nc -x 127.0.0.1:$FWDPORT -X"
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elif have_prog connect; then
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proxycmd="connect -S 127.0.0.1:$FWDPORT -"
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else
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echo "skipped (no suitable ProxyCommand found)"
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exit 0
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fi
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trace "will use ProxyCommand $proxycmd"
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start_sshd
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for p in 1 2; do
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n=0
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error="1"
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trace "start dynamic forwarding, fork to background"
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while [ "$error" -ne 0 -a "$n" -lt 3 ]; do
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n=`expr $n + 1`
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${SSH} -$p -F $OBJ/ssh_config -f -D $FWDPORT -q \
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-oExitOnForwardFailure=yes somehost exec sh -c \
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\'"echo \$\$ > $OBJ/remote_pid; exec sleep 444"\'
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error=$?
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if [ "$error" -ne 0 ]; then
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trace "forward failed proto $p attempt $n err $error"
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sleep $n
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fi
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done
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if [ "$error" -ne 0 ]; then
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fatal "failed to start dynamic forwarding proto $p"
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fi
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for s in 4 5; do
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for h in 127.0.0.1 localhost; do
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trace "testing ssh protocol $p socks version $s host $h"
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${SSH} -F $OBJ/ssh_config \
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-o "ProxyCommand ${proxycmd}${s} $h $PORT" \
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somehost cat $DATA > $OBJ/ls.copy
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test -f $OBJ/ls.copy || fail "failed copy $DATA"
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cmp $DATA $OBJ/ls.copy || fail "corrupted copy of $DATA"
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done
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done
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if [ -f $OBJ/remote_pid ]; then
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remote=`cat $OBJ/remote_pid`
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trace "terminate remote shell, pid $remote"
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if [ $remote -gt 1 ]; then
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kill -HUP $remote
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fi
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else
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fail "no pid file: $OBJ/remote_pid"
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fi
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done
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