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PDCP-LTE: add a filter for decypted data

This commit is contained in:
Martin Mathieson 2022-12-23 10:59:35 +00:00
parent 63bd8fde63
commit 51a6dfffc7
1 changed files with 13 additions and 1 deletions
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14
epan/dissectors/packet-pdcp-lte.c
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@ -133,7 +133,7 @@ static int hf_pdcp_lte_security_count = -1;
static int hf_pdcp_lte_security_cipher_key = -1;
static int hf_pdcp_lte_security_integrity_key = -1;
static int hf_pdcp_lte_security_deciphered_data = -1;
/* Protocol subtree. */
static int ett_pdcp = -1;
@ -2476,6 +2476,12 @@ static int dissect_pdcp_lte(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
payload_tvb = decipher_payload(tvb, pinfo, &offset, &pdu_security_settings, p_pdcp_info,
pdu_security ? pdu_security->seen_next_ul_pdu: FALSE, &payload_deciphered);
/* Add deciphered data as a filterable field */
if (payload_deciphered) {
proto_tree_add_item(pdcp_tree, hf_pdcp_lte_security_deciphered_data,
payload_tvb, 0, tvb_reported_length(payload_tvb), ENC_NA);
}
if (p_pdcp_info->plane == SIGNALING_PLANE) {
guint32 data_length;
guint32 mac;
@ -3038,6 +3044,12 @@ void proto_register_pdcp_lte(void)
"pdcp-lte.security-config.integrity-key", FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL
}
},
{ &hf_pdcp_lte_security_deciphered_data,
{ "Deciphered Data",
"pdcp-lte.deciphered-data", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL
}
}
};