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authorGregory Nutt <gnutt@nuttx.org>2014-11-23 08:36:34 -0600
committerGregory Nutt <gnutt@nuttx.org>2014-11-23 08:36:34 -0600
commitd8cd3cb0e4f087bdb93b17ac3226db6995932f6c (patch)
treeb4704463350b74c04b1ef991d638f0a86c0e6fae
parentb9ab52e9e27c22325b383537c4692b809ca81ce0 (diff)
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Network routing: Refuse to perform routing table lookups for the Broadcast IP address. From Brennan Ashton
-rw-r--r--nuttx/net/arp/arp_out.c1
-rw-r--r--nuttx/net/route/net_router.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/nuttx/net/arp/arp_out.c b/nuttx/net/arp/arp_out.c
index 7e77bfc4a..6b5b038c7 100644
--- a/nuttx/net/arp/arp_out.c
+++ b/nuttx/net/arp/arp_out.c
@@ -49,6 +49,7 @@
#include <nuttx/net/netdev.h>
#include <nuttx/net/arp.h>
+#include "route/route.h"
#include "arp/arp.h"
#ifdef CONFIG_NET_ARP
diff --git a/nuttx/net/route/net_router.c b/nuttx/net/route/net_router.c
index 86c37b457..1755b0209 100644
--- a/nuttx/net/route/net_router.c
+++ b/nuttx/net/route/net_router.c
@@ -45,6 +45,7 @@
#include <nuttx/net/ip.h>
+#include "devif/devif.h"
#include "route/route.h"
#if defined(CONFIG_NET) && defined(CONFIG_NET_ROUTE)
@@ -131,6 +132,13 @@ int net_router(net_ipaddr_t target, FAR net_ipaddr_t *router)
struct route_match_s match;
int ret;
+ /* Do not route the special broadcast IP address */
+
+ if (net_ipaddr_cmp(target, g_alloneaddr))
+ {
+ return -ENOENT;
+ }
+
/* Set up the comparison structure */
memset(&match, 0, sizeof(struct route_match_s));