externalise in libs: dump_key_buffer and set_system_proxy

lib/support.sh

@@ -111,4 +111,17 @@ get_mod_name()
 }
 export -f get_mod_name
 
+
+# ------------------------------------------------------------------------------
+# Set system proxy vars
+set_system_proxy()
+{
+    # Declare proxy system vars if needed and if not already declared
+    if [[ -n $PROXYSRV && -n $PROXYSRVPORT && -z $NO_PROXY ]]; then
+        export http_proxy=${http_proxy:-"http://$PROXYSRV:$PROXYSRVPORT/"}
+        export https_proxy=${https_proxy:-"http://$PROXYSRV:$PROXYSRVPORT/"}
+    fi
+}
+export -f set_system_proxy
+
 # EOF