Merge changes I934c73d4,I28cdc9a0,I9e734da9,I3c079d86

* changes:
  UPSTREAM: depend
  UPSTREAM: upstream: avoid possible NULL deref; from Pedro Martelletto
  Revert "upstream: fix compilation with DEBUG_KEXDH; bz#3160 ok dtucker@"
  Merge upstream-master into master

1 files changed, 61 insertions, 0 deletions

diff --git a/regress/dynamic-forward.sh b/regress/dynamic-forward.sh
new file mode 100644
index 00000000..84f8ee19
--- /dev/null
+++ b/regress/dynamic-forward.sh
@@ -0,0 +1,61 @@
+#	$OpenBSD: dynamic-forward.sh,v 1.13 2017/09/21 19:18:12 markus Exp $
+#	Placed in the Public Domain.
+
+tid="dynamic forwarding"
+
+FWDPORT=`expr $PORT + 1`
+
+if have_prog nc && nc -h 2>&1 | grep "proxy address" >/dev/null; then
+	proxycmd="nc -x 127.0.0.1:$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 $proxycmd"
+
+start_sshd
+
+for d in D R; do
+	n=0
+	error="1"
+	trace "start dynamic forwarding, fork to background"
+
+	while [ "$error" -ne 0 -a "$n" -lt 3 ]; do
+		n=`expr $n + 1`
+		${SSH} -F $OBJ/ssh_config -f -$d $FWDPORT -q \
+		    -oExitOnForwardFailure=yes somehost exec sh -c \
+			\'"echo \$\$ > $OBJ/remote_pid; exec sleep 444"\'
+		error=$?
+		if [ "$error" -ne 0 ]; then
+			trace "forward failed attempt $n err $error"
+			sleep $n
+		fi
+	done
+	if [ "$error" -ne 0 ]; then
+		fatal "failed to start dynamic forwarding"
+	fi
+
+	for s in 4 5; do
+	    for h in 127.0.0.1 localhost; do
+		trace "testing ssh socks version $s host $h (-$d)"
+		${SSH} -F $OBJ/ssh_config \
+			-o "ProxyCommand ${proxycmd}${s} $h $PORT" \
+			somehost cat ${DATA} > ${COPY}
+		test -f ${COPY}	 || fail "failed copy ${DATA}"
+		cmp ${DATA} ${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
+
+done