PERFORCE change 167467 for review

[Ana Kukec]

http://perforce.freebsd.org/chv.cgi?CH=167467

Change 167467 by anchie at anchie_malimis on 2009/08/18 09:37:09

	Clear any possible internally embedded scope before passing the
	packet to userspace for SeND cryptographic signature validation.	

Affected files ...

.. //depot/projects/soc2009/anchie_send/src/sys/netinet6/send.c#24 edit

Differences ...

==== //depot/projects/soc2009/anchie_send/src/sys/netinet6/send.c#24 (text+ko) ====

@@ -17,8 +17,9 @@
 #include <net/route.h>
 #include <net/if.h>
 
+#include <netinet6/in6_var.h>
+#include <netinet6/scope6_var.h>
 #include <netinet6/send.h>
-#include <netinet6/in6_var.h>
 
 MALLOC_DEFINE(M_SEND, "send", "Secure Neighbour Discovery");
 
@@ -92,9 +93,16 @@
 {
 	u_int len;
 	void *data;
+	struct ip6_hdr *ip6;
 
-	if (m->m_flags & M_MCAST)
-		printf("%s: DEBUG %p M_MCAST packet\n", __func__, m);
+	/*
+	 * Make sure to clear any possible internally embedded scope before 
+	 * passing the packet to userspace for SeND cryptographic signature
+	 * validation to succeed.
+	 */
+	ip6 = mtod(m, struct ip6_hdr *);
+	in6_clearscope(&ip6->ip6_src);
+	in6_clearscope(&ip6->ip6_dst); 
 
 	len = m_length(m, NULL);
 	if (len != msglen)