PERFORCE change 100038 for review

[Clément Lecigne]

http://perforce.freebsd.org/chv.cgi?CH=100038

Change 100038 by clem1 at clem1_ipv6vulns on 2006/06/26 06:52:58

		- icmpv6 bug fix.
	- ipv6 extension headers support.
	- dosbig6.py  	

Affected files ...

.. //depot/projects/soc2006/clem1_ipv6vulns/pcs/pcs/packets/icmpv6.py#4 edit
.. //depot/projects/soc2006/clem1_ipv6vulns/pcs/pcs/packets/ipv6.py#3 edit
.. //depot/projects/soc2006/clem1_ipv6vulns/pcs/pcs/pcs.py#4 edit
.. //depot/projects/soc2006/clem1_ipv6vulns/pcs/samples/dosbig6.py#1 add

Differences ...

==== //depot/projects/soc2006/clem1_ipv6vulns/pcs/pcs/packets/icmpv6.py#4 (text+ko) ====

@@ -171,7 +171,7 @@
         else:
             pcs.Packet.__add__(self, [ty, length])
 
-    def cksum(self, ip, data = ""):
+    def cksum(self, ip, data = "", nx = 0):
         """return icmpv6 checksum if we send packet through 
         raw link level (i.e bpf)"""
         total = 0
@@ -179,7 +179,10 @@
         p6.src = ip.src
         p6.dst = ip.dst
         p6.length = len(self.getbytes()) + len (data)
-        p6.next_header = ip.next_header
+        if nx:
+            p6.next_header = nx
+        else:
+            p6.next_header = ip.next_header
         pkt = p6.getbytes() + self.getbytes() + data
         if len(pkt) % 2 == 1:
             pkt += "\0"

==== //depot/projects/soc2006/clem1_ipv6vulns/pcs/pcs/packets/ipv6.py#3 (text+ko) ====


==== //depot/projects/soc2006/clem1_ipv6vulns/pcs/pcs/pcs.py#4 (text+ko) ====