After opening all the needed files, tighten the pledge(2)

from "stdio rpath" to just "stdio", before parsing any user data.
It may not matter that much just yet, but parsing will become
slightly more complicated soon when i shall add UTF-8 handling.
OK millert@

diff --git a/usr.bin/lam/lam.c b/usr.bin/lam/lam.c
index c7bac5b..1e169ef 100644 (file)
--- a/usr.bin/lam/lam.c
+++ b/usr.bin/lam/lam.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: lam.c,v 1.20 2018/07/11 11:35:06 schwarze Exp $       */
+/*     $OpenBSD: lam.c,v 1.21 2018/07/11 11:42:17 schwarze Exp $       */
 /*     $NetBSD: lam.c,v 1.2 1994/11/14 20:27:42 jtc Exp $      */
 
 /*-
@@ -78,6 +78,10 @@ main(int argc, char *argv[])
        getargs(argc, argv);
        if (numfiles == 0)
                usage();
+
+       if (pledge("stdio", NULL) == -1)
+               err(1, "pledge");
+
        /* Concatenate lines from each file, then print. */
        for (;;) {
                linep = line;