oping: Allow “-f -” even if uid and euid differ.

[liboping.git] / src / oping.c

diff --git a/src/oping.c b/src/oping.c
index 8419710..3d1eddd 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -170,7 +170,7 @@ static int read_options (int argc, char **argv)
                                break;
 
                        case 'f':
-                               if (is_setuid ())
+                               if (is_setuid () && (strcmp ("-", optarg) != 0))
                                {
                                        fprintf (stderr, "For security reasons the `-f' option "
                                                        "is disabled if real and effective "