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HTTP3(Settings): Support of GREASE frame

This commit is contained in:
Alexis La Goutte 2021-07-27 09:20:40 +02:00 committed by Wireshark GitLab Utility
parent d8618462f5
commit b0bd1c4c2a
1 changed files with 11 additions and 4 deletions
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15
epan/dissectors/packet-http3.c
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@ -192,17 +192,24 @@ static int
dissect_http3_settings(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* http3_tree, guint offset)
{
guint64 settingsid;
proto_item *ti_settings;
proto_item *ti_settings, *pi;
int lenvar;
proto_tree *settings_tree;
while(tvb_reported_length_remaining(tvb, offset) > 0){
ti_settings = proto_tree_add_item(http3_tree, hf_http3_settings, tvb, offset, 2, ENC_NA);
settings_tree = proto_item_add_subtree(ti_settings, ett_http3_settings);
proto_tree_add_item_ret_varint(settings_tree, hf_http3_settings_identifier, tvb, offset, -1, ENC_VARINT_QUIC, &settingsid, &lenvar);
pi = proto_tree_add_item_ret_varint(settings_tree, hf_http3_settings_identifier, tvb, offset, -1, ENC_VARINT_QUIC, &settingsid, &lenvar);
/* Check if it is a GREASE Settings ID */
if (http3_is_reserved_code(settingsid)) {
proto_item_set_text(pi, "Type: GREASE (%#" G_GINT64_MODIFIER "x)", settingsid);
proto_item_append_text(ti_settings, " - GREASE" );
} else {
proto_item_append_text(ti_settings, " - %s",
val64_to_str_const(settingsid, http3_settings_vals, "Unknown") );
}
offset += lenvar;
proto_item_append_text(ti_settings, " - %s",
val64_to_str_const(settingsid, http3_settings_vals, "Unknown") );
proto_tree_add_item_ret_varint(settings_tree, hf_http3_settings_value, tvb, offset, -1, ENC_VARINT_QUIC, NULL, &lenvar);
switch(settingsid){