mirror of
git://anongit.mindrot.org/openssh.git
synced 2024-11-24 19:53:24 +08:00
51 lines
1.3 KiB
Bash
51 lines
1.3 KiB
Bash
# $OpenBSD: dynamic-forward.sh,v 1.4 2004/06/22 22:55:56 dtucker Exp $
|
|
# Placed in the Public Domain.
|
|
|
|
tid="dynamic forwarding"
|
|
|
|
FWDPORT=`expr $PORT + 1`
|
|
|
|
DATA=/bin/ls${EXEEXT}
|
|
|
|
if have_prog nc && nc -h 2>&1 | grep "proxy address" >/dev/null; then
|
|
proxycmd="nc -x 127.0.0.1:$FWDPORT -X"
|
|
elif have_prog connect; then
|
|
proxycmd="connect -S 127.0.0.1:$FWDPORT -"
|
|
else
|
|
echo "skipped (no suitable ProxyCommand found)"
|
|
exit 0
|
|
fi
|
|
trace "will use ProxyCommand $proxycmd"
|
|
|
|
start_sshd
|
|
|
|
for p in 1 2; do
|
|
trace "start dynamic forwarding, fork to background"
|
|
${SSH} -$p -F $OBJ/ssh_config -f -D $FWDPORT -q somehost \
|
|
exec sh -c \'"echo \$\$ > $OBJ/remote_pid; exec sleep 444"\'
|
|
|
|
for s in 4 5; do
|
|
for h in 127.0.0.1 localhost; do
|
|
trace "testing ssh protocol $p socks version $s host $h"
|
|
${SSH} -F $OBJ/ssh_config \
|
|
-o "ProxyCommand ${proxycmd}${s} $h $PORT" \
|
|
somehost cat $DATA > $OBJ/ls.copy
|
|
test -f $OBJ/ls.copy || fail "failed copy $DATA"
|
|
cmp $DATA $OBJ/ls.copy || fail "corrupted copy of $DATA"
|
|
done
|
|
done
|
|
|
|
if [ -f $OBJ/remote_pid ]; then
|
|
remote=`cat $OBJ/remote_pid`
|
|
trace "terminate remote shell, pid $remote"
|
|
if [ $remote -gt 1 ]; then
|
|
kill -HUP $remote
|
|
fi
|
|
else
|
|
fail "no pid file: $OBJ/remote_pid"
|
|
fi
|
|
|
|
# Must allow time for connection tear-down
|
|
sleep 2
|
|
done
|