From 25505898530a333011f4fd5cbc841ad6b26c089c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 16:40:04 +0200
Subject: Adding upstream version 1:9.2p1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 regress/dynamic-forward.sh | 110 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 regress/dynamic-forward.sh

(limited to 'regress/dynamic-forward.sh')

diff --git a/regress/dynamic-forward.sh b/regress/dynamic-forward.sh
new file mode 100644
index 0000000..5a4aa6d
--- /dev/null
+++ b/regress/dynamic-forward.sh
@@ -0,0 +1,110 @@
+#	$OpenBSD: dynamic-forward.sh,v 1.15 2023/01/06 08:50:33 dtucker Exp $
+#	Placed in the Public Domain.
+
+tid="dynamic forwarding"
+
+# This is a reasonable proxy for IPv6 support.
+if ! config_defined HAVE_STRUCT_IN6_ADDR ; then
+	SKIP_IPV6=yes
+fi
+
+FWDPORT=`expr $PORT + 1`
+make_tmpdir
+CTL=${SSH_REGRESS_TMP}/ctl-sock
+cp $OBJ/ssh_config $OBJ/ssh_config.orig
+proxycmd="$OBJ/netcat -x 127.0.0.1:$FWDPORT -X"
+trace "will use ProxyCommand $proxycmd"
+
+start_ssh() {
+	direction="$1"
+	arg="$2"
+	n=0
+	error="1"
+	trace "start dynamic -$direction forwarding, fork to background"
+	(cat $OBJ/ssh_config.orig ; echo "$arg") > $OBJ/ssh_config
+	${REAL_SSH} -vvvnNfF $OBJ/ssh_config -E$TEST_SSH_LOGFILE \
+	    -$direction $FWDPORT -oExitOnForwardFailure=yes \
+	    -oControlMaster=yes -oControlPath=$CTL somehost
+	r=$?
+	test $r -eq 0 || fatal "failed to start dynamic forwarding $r"
+	if ! ${REAL_SSH} -qF$OBJ/ssh_config -O check \
+	     -oControlPath=$CTL somehost >/dev/null 2>&1 ; then
+		fatal "forwarding ssh process unresponsive"
+	fi
+}
+
+stop_ssh() {
+	test -S $CTL || return
+	if ! ${REAL_SSH} -qF$OBJ/ssh_config -O exit \
+	     -oControlPath=$CTL >/dev/null somehost >/dev/null ; then
+		fatal "forwarding ssh process did not respond to close"
+	fi
+	n=0
+	while [ "$n" -lt 20 ] ; do
+		test -S $CTL || break
+		sleep 1
+		n=`expr $n + 1`
+	done
+	if test -S $CTL ; then
+		fatal "forwarding ssh process did not exit"
+	fi
+}
+
+check_socks() {
+	direction=$1
+	expect_success=$2
+	for s in 4 5; do
+	    for h in 127.0.0.1 localhost; do
+		trace "testing ssh socks version $s host $h (-$direction)"
+		${REAL_SSH} -q -F $OBJ/ssh_config \
+			-o "ProxyCommand ${proxycmd}${s} $h $PORT 2>/dev/null" \
+			somehost cat ${DATA} > ${COPY}
+		r=$?
+		if [ "x$expect_success" = "xY" ] ; then
+			if [ $r -ne 0 ] ; then
+				fail "ssh failed with exit status $r"
+			fi
+			test -f ${COPY}	 || fail "failed copy ${DATA}"
+			cmp ${DATA} ${COPY} || fail "corrupted copy of ${DATA}"
+		elif [ $r -eq 0 ] ; then
+			fail "ssh unexpectedly succeeded"
+		fi
+	    done
+	done
+}
+
+start_sshd
+trap "stop_ssh" EXIT
+
+for d in D R; do
+	verbose "test -$d forwarding"
+	start_ssh $d
+	check_socks $d Y
+	stop_ssh
+	test "x$d" = "xR" || continue
+	
+	# Test PermitRemoteOpen
+	verbose "PermitRemoteOpen=any"
+	start_ssh $d PermitRemoteOpen=any
+	check_socks $d Y
+	stop_ssh
+
+	verbose "PermitRemoteOpen=none"
+	start_ssh $d PermitRemoteOpen=none
+	check_socks $d N
+	stop_ssh
+
+	verbose "PermitRemoteOpen=explicit"
+	permit="127.0.0.1:$PORT [::1]:$PORT localhost:$PORT"
+	test -z "$SKIP_IPV6" || permit="127.0.0.1:$PORT localhost:$PORT"
+	start_ssh $d PermitRemoteOpen="$permit"
+	check_socks $d Y
+	stop_ssh
+
+	verbose "PermitRemoteOpen=disallowed"
+	permit="127.0.0.1:1 [::1]:1 localhost:1"
+	test -z "$SKIP_IPV6" || permit="127.0.0.1:1 localhost:1"
+	start_ssh $d PermitRemoteOpen="$permit"
+	check_socks $d N
+	stop_ssh
+done
-- 
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