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don't send greased version numbers for gQUIC

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This commit is contained in:
Marten Seemann 2018-02-25 19:35:10 +08:00
parent e26c1f09de
commit 2ab2baf4bc
4 changed files with 4 additions and 9 deletions
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2
internal/handshake/crypto_setup_server.go
View file

@ -429,7 +429,7 @@ func (h *cryptoSetupServer) handleCHLO(sni string, data []byte, cryptoData map[T
replyMap := h.params.getHelloMap()
// add crypto parameters
verTag := &bytes.Buffer{}
for _, v := range protocol.GetGreasedVersions(h.supportedVersions) {
for _, v := range h.supportedVersions {
utils.BigEndian.WriteUint32(verTag, uint32(v))
}
replyMap[TagPUBS] = ephermalKex.PublicKey()

3
internal/handshake/crypto_setup_server_test.go
View file

@ -317,8 +317,7 @@ var _ = Describe("Server Crypto Setup", func() {
Expect(message.Data).To(HaveKeyWithValue(TagPUBS, []byte("ephermal pub")))
Expect(message.Data).To(HaveKey(TagSNO))
Expect(message.Data).To(HaveKey(TagVER))
// the supported versions should include one reserved version number
Expect(message.Data[TagVER]).To(HaveLen(4*len(supportedVersions) + 4))
Expect(message.Data[TagVER]).To(HaveLen(4 * len(supportedVersions)))
for _, v := range supportedVersions {
b := &bytes.Buffer{}
utils.BigEndian.WriteUint32(b, uint32(v))

2
internal/wire/version_negotiation.go
View file

@ -21,7 +21,7 @@ func ComposeGQUICVersionNegotiation(connID protocol.ConnectionID, versions []pro
utils.Errorf("error composing version negotiation packet: %s", err.Error())
return nil
}
for _, v := range protocol.GetGreasedVersions(versions) {
for _, v := range versions {
utils.BigEndian.WriteUint32(buf, uint32(v))
}
return buf.Bytes()

6
internal/wire/version_negotiation_test.go
View file

@ -16,11 +16,7 @@ var _ = Describe("Version Negotiation Packets", func() {
Expect(err).ToNot(HaveOccurred())
Expect(hdr.VersionFlag).To(BeTrue())
Expect(hdr.ConnectionID).To(Equal(protocol.ConnectionID(0x1337)))
// the supported versions should include one reserved version number
Expect(hdr.SupportedVersions).To(HaveLen(len(versions) + 1))
for _, version := range versions {
Expect(hdr.SupportedVersions).To(ContainElement(version))
}
Expect(hdr.SupportedVersions).To(Equal(versions))
})
It("writes in IETF draft style", func() {