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QUIC: Diversification nonce is only present from server to client 

For avoid problem with some middle boxes (don't yet supported >= Q033)

See https://groups.google.com/a/chromium.org/d/msg/proto-quic/kQVDZal_iwo/7dNgo4u6FgAJ for more information

Change-Id: I918e7f4400549fd6e78f3ce727e8cae0c10b464b
Reviewed-on: https://code.wireshark.org/review/15720
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
This commit is contained in:
Alexis La Goutte 2016-06-04 18:06:42 +02:00 committed by Michael Mann
parent 3a2dd2fe39
commit 372d4de58a
1 changed files with 4 additions and 3 deletions
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7
epan/dissectors/packet-quic.c
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@ -1841,11 +1841,12 @@ dissect_quic_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
/* Diversification Nonce */
if(puflags & PUFLAGS_DNONCE && quic_info->version >= 33){
proto_tree_add_item(quic_tree, hf_quic_diversification_nonce, tvb, offset, 32, ENC_NA);
offset += 32;
if(pinfo->srcport == 443){ /* Diversification nonce is only present from server to client */
proto_tree_add_item(quic_tree, hf_quic_diversification_nonce, tvb, offset, 32, ENC_NA);
offset += 32;
}
}
/* Packet Number */
/* Get len of packet number (and packet number), may be a more easy function to get the length... */