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| author | Ghanan Gowripalan <ghanan@google.com> | 2020-01-30 07:12:04 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-01-30 07:12:52 -0800 |
| commit | ec0679737e8f9ab31ef6c7c3adb5a0005586b5a7 (patch) | |
| tree | 289be95c00d190c809dc901b22734cb3753193fa /pkg/tcpip/stack/ndp_test.go | |
| parent | 6f841c304d7bd9af6167d7d049bd5c594358a1b9 (diff) | |
Do not include the Source Link Layer option with an unspecified source address
When sending NDP messages with an unspecified source address, the Source
Link Layer address must not be included.
Test: stack_test.TestDADResolve
PiperOrigin-RevId: 292341334
Diffstat (limited to 'pkg/tcpip/stack/ndp_test.go')
| -rw-r--r-- | pkg/tcpip/stack/ndp_test.go | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/pkg/tcpip/stack/ndp_test.go b/pkg/tcpip/stack/ndp_test.go index 8c76e80f2..bc7cfbcb4 100644 --- a/pkg/tcpip/stack/ndp_test.go +++ b/pkg/tcpip/stack/ndp_test.go @@ -413,14 +413,18 @@ func TestDADResolve(t *testing.T) { t.Fatalf("got Proto = %d, want = %d", p.Proto, header.IPv6ProtocolNumber) } - // Check NDP packet. + // Check NDP NS packet. + // + // As per RFC 4861 section 4.3, a possible option is the Source Link + // Layer option, but this option MUST NOT be included when the source + // address of the packet is the unspecified address. checker.IPv6(t, p.Pkt.Header.View().ToVectorisedView().First(), + checker.SrcAddr(header.IPv6Any), + checker.DstAddr(header.SolicitedNodeAddr(addr1)), checker.TTL(header.NDPHopLimit), checker.NDPNS( checker.NDPNSTargetAddress(addr1), - checker.NDPNSOptions([]header.NDPOption{ - header.NDPSourceLinkLayerAddressOption(linkAddr1), - }), + checker.NDPNSOptions(nil), )) } }) |