From d8a75b744acff605107c55a4ebbe84f7a2b93560 Mon Sep 17 00:00:00 2001
From: Guillaume Valadon <guillaume@valadon.net>
Date: Mon, 28 Oct 2013 11:37:16 +0100
Subject: [PATCH] Catch IOError exception

--HG--
branch : Issue #5061
---
 scapy/arch/linux.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/scapy/arch/linux.py b/scapy/arch/linux.py
index 65347695a..abd46c748 100644
--- a/scapy/arch/linux.py
+++ b/scapy/arch/linux.py
@@ -89,7 +89,11 @@ def get_if_raw_addr(iff):
 
 
 def get_if_list():
-    f=open("/proc/net/dev","r")
+    try:
+      f=open("/proc/net/dev","r")
+    except IOError:
+        warning("Can't open /proc/net/dev !")
+	return []
     lst = []
     f.readline()
     f.readline()
@@ -145,7 +149,11 @@ def set_promisc(s,iff,val=1):
 
 
 def read_routes():
-    f=open("/proc/net/route","r")
+    try:
+      f=open("/proc/net/route","r")
+    except IOError:
+        warning("Can't open /proc/net/route !")
+	return []
     routes = []
     s=socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
     ifreq = ioctl(s, SIOCGIFADDR,struct.pack("16s16x",LOOPBACK_NAME))