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authorderaadt <deraadt@openbsd.org>2015-04-18 18:28:36 +0000
committerderaadt <deraadt@openbsd.org>2015-04-18 18:28:36 +0000
commita47b6461a15f74beac188483616126ed5e987f93 (patch)
tree4453af12f02f369f89c8895bcfef1820fdb8576d /usr.sbin/ndp
parentDelete the wrapper functions mdoc_meta(), man_meta(), mdoc_node(), (diff)
downloadwireguard-openbsd-a47b6461a15f74beac188483616126ed5e987f93.tar.xz
wireguard-openbsd-a47b6461a15f74beac188483616126ed5e987f93.zip
Convert many atoi() calls to strtonum(), adding range checks and failure
handling along the way. Reviews by Brendan MacDonell, Jeremy Devenport, florian, doug, millert
Diffstat (limited to 'usr.sbin/ndp')
-rw-r--r--usr.sbin/ndp/ndp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c
index bd8b76f8505..ce75ef718a0 100644
--- a/usr.sbin/ndp/ndp.c
+++ b/usr.sbin/ndp/ndp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ndp.c,v 1.59 2015/01/16 06:40:18 deraadt Exp $ */
+/* $OpenBSD: ndp.c,v 1.60 2015/04/18 18:28:38 deraadt Exp $ */
/* $KAME: ndp.c,v 1.101 2002/07/17 08:46:33 itojun Exp $ */
/*
@@ -102,6 +102,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <limits.h>
#include <err.h>
#include "gmt2local.h"
@@ -202,8 +203,8 @@ main(int argc, char *argv[])
/*NOTREACHED*/
}
mode = 'a';
- repeat = atoi(optarg);
- if (repeat < 0) {
+ repeat = strtonum(optarg, 1, INT_MAX, &errstr);
+ if (errstr) {
usage();
/*NOTREACHED*/
}