Attachment 148500 Details for Bug 194485 – Allow userland to submit IPv6 prefix routes

[patch] Allow userland to submit IPv6 prefix routes

freebsd-nd6-userland-routes.diff (text/plain), 1.03 KB, created by roy on 2014-10-20 13:21:13 UTC

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Creator: roy

Created: 2014-10-20 13:21:13 UTC

Size: 1.03 KB

patch

obsolete

>--- nd6.c.orig	2014-10-13 16:22:14.000000000 +0100
>+++ nd6.c	2014-10-14 10:33:16.000000000 +0100
>@@ -875,6 +875,8 @@
> {
> 	struct nd_prefix *pr;
> 	struct ifaddr *dstaddr;
>+	struct rtentry *rt;
>+	int retval;
> 
> 	/*
> 	 * A link-local address is always a neighbor.
>@@ -910,8 +912,6 @@
> 			continue;
> 
> 		if (!(pr->ndpr_stateflags & NDPRF_ONLINK)) {
>-			struct rtentry *rt;
>-
> 			/* Always use the default FIB here. */
> 			rt = in6_rtalloc1((struct sockaddr *)&pr->ndpr_prefix,
> 			    0, 0, RT_DEFAULT_FIB);
>@@ -963,7 +963,21 @@
> 		return (1);
> 	}
> 
>-	return (0);
>+	/* Check for a matching non static route which userland may have
>+	 * added. This is the only check we can make because RTF_CLONING
>+	 * was dropped. */
>+	rt = in6_rtalloc1((struct sockaddr *)addr, 0, 0, RT_DEFAULT_FIB);
>+	if (rt == NULL)
>+		return (0);
>+	if (!(rt->rt_flags & RTF_STATIC) &&
>+	    (rt->rt_ifp == ifp ||
>+	    rt->rt_ifp->if_bridge == ifp->if_bridge))
>+	    /* XXX Check matching carp device? */
>+		retval = 1;
>+	else
>+		retval = 0;
>+	RTFREE_LOCKED(rt);
>+	return (retval);
> }
> 
>

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