diff options
author | Pavel Strnad <pavel_strnad@hotmail.com> | 2018-03-19 09:13:35 +0100 |
---|---|---|
committer | Pascal Quantin <pascal.quantin@gmail.com> | 2018-03-19 14:37:04 +0000 |
commit | 18cd454da9e99c4d85d6afbe9c3b831e65d559b6 (patch) | |
tree | 0b8b02208447d7aef7e47a89baaf33bc48f90900 | |
parent | 4d3c8bc61e768b4789bd2fb8a40f848ac50f8936 (diff) |
S1AP: fix filtering on cell-ID
Filter does not work due to same shared short name for cell-id being used for two different asn.1 defintions
cell-ID OCTET STRING,
cell-ID CellIdentity,
Change-Id: I5921bc82d46f38d43f9083e41d3a0558821042eb
Reviewed-on: https://code.wireshark.org/review/26545
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Reviewed-by: Pavel Strnad <pavel_strnad@hotmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
-rw-r--r-- | epan/dissectors/asn1/s1ap/s1ap.cnf | 11 | ||||
-rw-r--r-- | epan/dissectors/packet-s1ap.c | 16 |
2 files changed, 23 insertions, 4 deletions
diff --git a/epan/dissectors/asn1/s1ap/s1ap.cnf b/epan/dissectors/asn1/s1ap/s1ap.cnf index 52e43b17cb..d0f4d9a48b 100644 --- a/epan/dissectors/asn1/s1ap/s1ap.cnf +++ b/epan/dissectors/asn1/s1ap/s1ap.cnf @@ -2120,6 +2120,17 @@ SecondaryRATReport N s1ap.proc.imsg id-SecondaryRATReport #.END +#.FIELD_ATTR +EUTRAN-CGI/cell-ID ABBREV=CellIdentity TYPE=FT_UINT32 DISPLAY=BASE_HEX +#.FN_BODY CellIdentity VAL_PTR = &cell_id_tvb HF_INDEX=-1 + tvbuff_t *cell_id_tvb = NULL; +%(DEFAULT_BODY)s + if (cell_id_tvb) { + guint32 cell_id = tvb_get_bits32(cell_id_tvb, 0, 28, ENC_BIG_ENDIAN); + actx->created_item = proto_tree_add_uint(tree, hf_index, cell_id_tvb, 0, 4, cell_id); + } +#.END + # # Editor modelines - http://www.wireshark.org/tools/modelines.html # diff --git a/epan/dissectors/packet-s1ap.c b/epan/dissectors/packet-s1ap.c index b45bd80124..23cad496bf 100644 --- a/epan/dissectors/packet-s1ap.c +++ b/epan/dissectors/packet-s1ap.c @@ -2600,8 +2600,16 @@ dissect_s1ap_Additional_GUTI(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx static int dissect_s1ap_CellIdentity(tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { - offset = dissect_per_bit_string(tvb, offset, actx, tree, hf_index, - 28, 28, FALSE, NULL, NULL); +#line 2126 "./asn1/s1ap/s1ap.cnf" + tvbuff_t *cell_id_tvb = NULL; + offset = dissect_per_bit_string(tvb, offset, actx, tree, -1, + 28, 28, FALSE, &cell_id_tvb, NULL); + + if (cell_id_tvb) { + guint32 cell_id = tvb_get_bits32(cell_id_tvb, 0, 28, ENC_BIG_ENDIAN); + actx->created_item = proto_tree_add_uint(tree, hf_index, cell_id_tvb, 0, 4, cell_id); + } + return offset; } @@ -17227,8 +17235,8 @@ void proto_register_s1ap(void) { FT_INT32, BASE_DEC|BASE_UNIT_STRING, &units_octet_octets, 0, "INTEGER", HFILL }}, { &hf_s1ap_cell_ID, - { "cell-ID", "s1ap.cell_ID", - FT_BYTES, BASE_NONE, NULL, 0, + { "cell-ID", "s1ap.CellIdentity", + FT_UINT32, BASE_HEX, NULL, 0, "CellIdentity", HFILL }}, { &hf_s1ap_expectedActivity, { "expectedActivity", "s1ap.expectedActivity_element", |