From: Donald Sharp <sharpd@cumulusnetworks.com>
Date: Thu, 11 Feb 2016 16:29:36 +0000 (-0800)
Subject: ripd: Fix crash when a default route is passed to rip
X-Git-Tag: frr-2.0-rc1~1132
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=b3556ea327bf3abc4bd183a4b5b8ad1a15d15035;p=mirror%2Ffrr.git

ripd: Fix crash when a default route is passed to rip

When rip is not configured and zebra decides to send
a default route to it, check to make sure that rip is
configured before accepting anything from zebra.

Ticket: CM-9270
Reviewed-by: Don Slice
Tested: OSPF test case that was erroring out no longer
happens

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---

diff --git a/ripd/rip_zebra.c b/ripd/rip_zebra.c
index 4fc0e00aa9..cbff810b01 100644
--- a/ripd/rip_zebra.c
+++ b/ripd/rip_zebra.c
@@ -106,7 +106,10 @@ rip_zebra_read_ipv4 (int command, struct zclient *zclient, zebra_size_t length,
   unsigned long ifindex;
   struct in_addr nexthop;
   struct prefix_ipv4 p;
-  
+
+  if (!rip)
+    return 0;
+
   s = zclient->ibuf;
   ifindex = 0;
   nexthop.s_addr = 0;