The Path setting for the plugin directory is "plugin_dir" not "plugin".

diff --git a/lib/util/sudo_conf.c b/lib/util/sudo_conf.c
index efbedc2ff4ee18c185aae7574eeedf496e2949aa..08556bb13361c17f3b20af75c68e46dac39dd259 100644 (file)
--- a/lib/util/sudo_conf.c
+++ b/lib/util/sudo_conf.c
@@ -142,7 +142,7 @@ static struct sudo_conf_data {
        { "askpass", sizeof("askpass") - 1, &sudo_conf_paths.askpass },
        { "sesh", sizeof("sesh") - 1, &sudo_conf_paths.sesh },
        { "noexec", sizeof("noexec") - 1, &sudo_conf_paths.noexec },
-       { "plugin", sizeof("plugin") - 1, &sudo_conf_paths.plugin_dir },
+       { "plugin_dir", sizeof("plugin_dir") - 1, &sudo_conf_paths.plugin_dir },
        { NULL }
     }
 };