src/patches/dnsmasq/0079-Check-IP-address-command-line-arg-in-dhcp_release.c.patch

   1 From a006eb7e1486023480ea40244720ef7aab51de71 Mon Sep 17 00:00:00 2001
   2 From: Moshe Levi <moshele@mellanox.com>
   3 Date: Sun, 19 Apr 2015 22:10:40 +0100
   4 Subject: [PATCH 79/98] Check IP address command line arg in dhcp_release.c
   5
   6 ---
   7  contrib/wrt/dhcp_release.c | 5 +++++
   8  1 file changed, 5 insertions(+)
   9
  10 diff --git a/contrib/wrt/dhcp_release.c b/contrib/wrt/dhcp_release.c
  11 index 53f47dda3aec..a51f04b30cab 100644
  12 --- a/contrib/wrt/dhcp_release.c
  13 +++ b/contrib/wrt/dhcp_release.c
  14 @@ -277,6 +277,11 @@ int main(int argc, char **argv)
  15        exit(1);
  16      }
  17
  18 +  if (inet_addr(argv[2]) == INADDR_NONE)
  19 +    {
  20 +      perror("invalid ip address");
  21 +      exit(1);
  22 +    }
  23
  24    lease.s_addr = inet_addr(argv[2]);
  25    server = find_interface(lease, nl, if_nametoindex(argv[1]));
  26 --
  27 2.1.0
  28