TLS(QUIC): update TransportParameter to draft-08
not longer negotiated version on Client Hello but on encrypted extensions Missing add new TransportParameterId (ack_delay_exponent and initial_max_stream_id_uni) Bug: 13881 Change-Id: I5d76662b8c7767c48fdec460e2249d49c6693f18 Reviewed-on: https://code.wireshark.org/review/25018 Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com> Petri-Dish: Michael Mann <mmann78@netscape.net> Reviewed-by: Anders Broman <a.broman58@gmail.com>
This commit is contained in:
parent
c8c268626c
commit
1a7d65d085
1 changed files with 21 additions and 10 deletions
|
@ -6450,18 +6450,20 @@ ssl_dissect_hnd_hello_ext_quic_transport_parameters(ssl_common_dissect_t *hf, tv
|
|||
proto_tree *tree, guint32 offset, guint32 offset_end,
|
||||
guint8 hnd_type, SslDecryptSession *ssl _U_)
|
||||
{
|
||||
guint32 quic_length, parameter_length, supported_versions_length, next_offset;
|
||||
guint32 quic_length, parameter_length, supported_versions_length, next_offset, version;
|
||||
|
||||
/* https://tools.ietf.org/html/draft-ietf-quic-transport-04#section-7.3
|
||||
/* https://tools.ietf.org/html/draft-ietf-quic-transport-08#section-7.4
|
||||
* uint32 QuicVersion;
|
||||
* enum {
|
||||
* initial_max_stream_data(0),
|
||||
* initial_max_data(1),
|
||||
* initial_max_stream_id(2),
|
||||
* initial_max_stream_id_bidi(2),
|
||||
* idle_timeout(3),
|
||||
* truncate_connection_id(4),
|
||||
* max_packet_size(5),
|
||||
* stateless_reset_token(6),
|
||||
* ack_delay_exponent(7),
|
||||
* initial_max_stream_id_uni(8),
|
||||
* (65535)
|
||||
* } TransportParameterId;
|
||||
*
|
||||
|
@ -6473,28 +6475,37 @@ ssl_dissect_hnd_hello_ext_quic_transport_parameters(ssl_common_dissect_t *hf, tv
|
|||
* struct {
|
||||
* select (Handshake.msg_type) {
|
||||
* case client_hello:
|
||||
* QuicVersion negotiated_version;
|
||||
* QuicVersion initial_version;
|
||||
*
|
||||
* case encrypted_extensions:
|
||||
* QuicVersion supported_versions<2..2^8-4>;
|
||||
* QuicVersion negotiated_version;
|
||||
* QuicVersion supported_versions<4..2^8-4>;
|
||||
* };
|
||||
* TransportParameter parameters<30..2^16-1>;
|
||||
* } TransportParameters;
|
||||
*/
|
||||
switch (hnd_type) {
|
||||
case SSL_HND_CLIENT_HELLO:
|
||||
proto_tree_add_item(tree, hf->hf.hs_ext_quictp_negotiated_version,
|
||||
tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset += 4;
|
||||
version = tvb_get_ntohl(tvb, offset);
|
||||
if(version <= 0xff000007){ /* No longer negotiated_version on Client Hello with >= draft-07 */
|
||||
proto_tree_add_item(tree, hf->hf.hs_ext_quictp_negotiated_version,
|
||||
tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset += 4;
|
||||
}
|
||||
proto_tree_add_item(tree, hf->hf.hs_ext_quictp_initial_version,
|
||||
tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset += 4;
|
||||
break;
|
||||
case SSL_HND_ENCRYPTED_EXTENSIONS:
|
||||
/* QuicVersion supported_versions<2..2^8-4>;*/
|
||||
version = tvb_get_ntohl(tvb, offset);
|
||||
if(version > 0xff000007){ /* Now negotiated_version on Encrypted Extensions (>= draft-08) */
|
||||
proto_tree_add_item(tree, hf->hf.hs_ext_quictp_negotiated_version,
|
||||
tvb, offset, 4, ENC_BIG_ENDIAN);
|
||||
offset += 4;
|
||||
}
|
||||
/* QuicVersion supported_versions<4..2^8-4>;*/
|
||||
if (!ssl_add_vector(hf, tvb, pinfo, tree, offset, offset_end, &supported_versions_length,
|
||||
hf->hf.hs_ext_quictp_supported_versions_len, 2, G_MAXUINT8-3)) {
|
||||
hf->hf.hs_ext_quictp_supported_versions_len, 4, G_MAXUINT8-3)) {
|
||||
return offset_end;
|
||||
}
|
||||
offset += 1;
|
||||
|
|
Loading…
Reference in a new issue