1 files changed, 3 insertions, 0 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 7e3b00f..7f9160c 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -372,6 +372,9 @@ main(int argc, char **argv)
         int result;
         struct rta_host *host;
         
+        /* print a helpful error message if geteuid != 0 */
+        np_warn_if_not_root();
+
         /* we only need to be setsuid when we get the sockets, so do
          * that before pointer magic (esp. on network data) */
         icmp_sockerrno = udp_sockerrno = tcp_sockerrno = sockets = 0;