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(rip-ng) Don't route a packet from/to a LinkLocal address

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This commit is contained in:
Tommaso Pecorella
2015-04-08 18:18:49 +02:00
parent 6b3f645a55
commit 034b9777cd
1 changed files with 12 additions and 11 deletions
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23
src/internet/model/ripng.cc
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@@ -247,6 +247,15 @@ bool RipNg::RouteInput (Ptr<const Packet> p, const Ipv6Header &header, Ptr<const
NS_LOG_LOGIC ("Address " << addr << " not a match");
}
}
if (header.GetDestinationAddress ().IsLinkLocal () ||
header.GetSourceAddress ().IsLinkLocal ())
{
NS_LOG_LOGIC ("Dropping packet not for me and with src or dst LinkLocal");
ecb (p, header, Socket::ERROR_NOROUTETOHOST);
return false;
}
// Check if input device supports IP forwarding
if (m_ipv6->IsForwarding (iif) == false)
{
@@ -260,13 +269,13 @@ bool RipNg::RouteInput (Ptr<const Packet> p, const Ipv6Header &header, Ptr<const
if (rtentry != 0)
{
NS_LOG_LOGIC ("Found unicast destination- calling unicast callback");
NS_LOG_LOGIC ("Found unicast destination - calling unicast callback");
ucb (idev, rtentry, p, header); // unicast forwarding callback
return true;
}
else
{
NS_LOG_LOGIC ("Did not find unicast destination- returning false");
NS_LOG_LOGIC ("Did not find unicast destination - returning false");
return false; // Let other routing protocols try to handle this
}
}
@@ -283,15 +292,7 @@ void RipNg::NotifyInterfaceUp (uint32_t i)
if (address != Ipv6Address () && networkMask != Ipv6Prefix ())
{
if (networkMask == Ipv6Prefix (128))
{
/* host route */
AddNetworkRouteTo (networkAddress, Ipv6Prefix::GetOnes (), 0);
}
else
{
AddNetworkRouteTo (networkAddress, networkMask, i);
}
AddNetworkRouteTo (networkAddress, networkMask, i);
}
}