tame "stdio"; username information does not use getpw

diff --git a/usr.bin/logname/logname.c b/usr.bin/logname/logname.c
index 3c87132..ab7499c 100644 (file)
--- a/usr.bin/logname/logname.c
+++ b/usr.bin/logname/logname.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: logname.c,v 1.7 2009/10/27 23:59:40 deraadt Exp $     */
+/*     $OpenBSD: logname.c,v 1.8 2015/10/07 14:06:26 deraadt Exp $     */
 /*     $NetBSD: logname.c,v 1.6 1994/12/22 06:39:32 jtc Exp $  */
 
 /*-
@@ -46,6 +46,9 @@ main(int argc, char *argv[])
 
        setlocale(LC_ALL, "");
 
+       if (tame("stdio", NULL) == -1)
+               err(1, "tame");
+
        while ((ch = getopt(argc, argv, "")) != -1)
                switch (ch) {
                case '?':