upstream: Check dropbear server version for required features.

Dropbear added the '-D' flag in version 2025.87.  We need that for the
dropbear-server test, so skip on older versions.

OpenBSD-Regress-ID: 9db0b84edd54d3c00ab17db1dc6d62af4644c550

diff --git a/regress/dropbear-server.sh b/regress/dropbear-server.sh
index d3ea6dcc5c1251ed1bdcf375fddc574eb62b2401..c72c86bfd39e85423270665bffe5d2371abc963d 100644 (file)
--- a/regress/dropbear-server.sh
+++ b/regress/dropbear-server.sh
@@ -1,4 +1,4 @@
-#      $OpenBSD: dropbear-server.sh,v 1.1 2025/06/28 13:34:08 dtucker Exp $
+#      $OpenBSD: dropbear-server.sh,v 1.2 2025/06/29 05:35:00 dtucker Exp $
 #      Placed in the Public Domain.
 
 tid="dropbear server"
@@ -7,6 +7,20 @@ if test "x$REGRESS_INTEROP_DROPBEAR" != "xyes" ; then
        skip "dropbear interop tests not enabled"
 fi
 
+ver="`$DROPBEAR -V 2>&1 | sed 's/Dropbear v//'`"
+if [ -z "$ver" ]; then
+       skip "can't determine dropbear version"
+fi
+
+major=`echo $ver | cut -f1 -d.`
+minor=`echo $ver | cut -f2 -d.`
+
+if [ "$major" -lt "2025" ] || [ "$minor" -lt "87" ]; then
+       skip "dropbear version $ver (${major}.${minor}) does not support '-D'"
+else
+       trace "dropbear version $ver (${major}.${minor}) ok"
+fi
+
 if [ -z "$SUDO" -a ! -w /var/run ]; then
        skip "need SUDO to create dir in /var/run, test won't work without"
 fi