capabilities: CAP_CHOWN might be required by many plugins opening UNIX sockets

[strongswan.git] / src / libcharon / plugins / stroke / stroke_plugin.c

diff --git a/src/libcharon/plugins/stroke/stroke_plugin.c b/src/libcharon/plugins/stroke/stroke_plugin.c
index 4e47a12..6c4687f 100644 (file)
--- a/src/libcharon/plugins/stroke/stroke_plugin.c
+++ b/src/libcharon/plugins/stroke/stroke_plugin.c
@@ -91,6 +91,12 @@ plugin_t *stroke_plugin_create()
 {
        private_stroke_plugin_t *this;
 
+       if (!lib->caps->keep(lib->caps, CAP_CHOWN))
+       {       /* required to chown(2) stroke socket */
+               DBG1(DBG_CFG, "stroke plugin requires CAP_CHOWN capability");
+               return NULL;
+       }
+
        INIT(this,
                .public = {
                        .plugin = {