From d5af893b15b319c692ef7015c3930a10e4236fd1 Mon Sep 17 00:00:00 2001
From: Athmane Madjoudj <athmanem@gmail.com>
Date: Nov 21 2011 12:05:36 +0000
Subject: Add tcpdump ipv6 test


---

diff --git a/tests/p_tcpdump/tcpdump_lo_ipv6.sh b/tests/p_tcpdump/tcpdump_lo_ipv6.sh
new file mode 100755
index 0000000..29aa4f3
--- /dev/null
+++ b/tests/p_tcpdump/tcpdump_lo_ipv6.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+# Author: Christoph Galuschka <christoph.galuschka@chello.at>
+#         Athmane Madjoudj <athmanem@gmail.com>
+
+t_Log "Running $0 - TCPdump test IPv6 to lo"
+
+# Grabing IPv6 address of lo to checl if IPv6 is enabled
+IP=$(ip addr list lo | grep 'inet6 ')
+regex='\t*inet6\ (.*)\/.*'
+if [[ $IP =~ $regex ]]
+  then
+  t_Log "IPv6 seems to be enabled - runing test"
+  FILE='/var/tmp/lo_test6.pcap'
+  COUNT='4'
+  #Dumping ping6s to loopback to file
+  tcpdump -q -n -p -i lo -w $FILE &
+  # If we don't wait a short time, the first paket will be missed by tcpdump
+  sleep 1
+  ping6 -q -c $COUNT -i 0.25 ::1
+  sleep 1
+  killall -s SIGINT tcpdump
+  sleep 1
+
+  # reading from file, for each ping we should see two pakets
+  WORKING=$( tcpdump -r $FILE | grep -ci icmp6 )
+  if [ $WORKING == $[COUNT*2] ]; then
+    ret_val=0
+  else
+    t_Log "ping6 to loopback droped pakets!! This should not happen on loopback"
+    ret_val=1
+  fi
+  # Remove file afterwards
+  /bin/rm $FILE
+else
+  t_Log "IPv6 seems to be disabled - skipping test"
+  ret_val=0
+fi
+
+t_CheckExitStatus $ret_val