tame "stdio rpath" initially. if no files, go to tame "stdio".

diff --git a/usr.bin/head/head.c b/usr.bin/head/head.c
index 3e94eb5..e5120e4 100644 (file)
--- a/usr.bin/head/head.c
+++ b/usr.bin/head/head.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: head.c,v 1.18 2014/10/08 08:31:53 schwarze Exp $      */
+/*     $OpenBSD: head.c,v 1.19 2015/10/07 06:55:10 deraadt Exp $       */
 
 /*
  * Copyright (c) 1980, 1987 Regents of the University of California.
@@ -55,6 +55,9 @@ main(int argc, char *argv[])
        char    *p = NULL;
        int     status = 0;
 
+       if (tame("stdio rpath", NULL) == -1)
+               err(1, "tame");
+
        /* handle obsolete -number syntax */
        if (argc > 1 && argv[1][0] == '-' &&
            isdigit((unsigned char)argv[1][1])) {
@@ -87,6 +90,8 @@ main(int argc, char *argv[])
                        if (!firsttime)
                                exit(status);
                        fp = stdin;
+                       if (tame("stdio", NULL) == -1)
+                               err(1, "tame");
                } else {
                        if ((fp = fopen(*argv, "r")) == NULL) {
                                warn("%s", *argv++);