diff options
| author | Michael Tüxen <tuexen@fh-muenster.de> | 2005-02-04 22:39:48 +0000 |
|---|---|---|
| committer | Michael Tüxen <tuexen@fh-muenster.de> | 2005-02-04 22:39:48 +0000 |
| commit | 04a154ec0aad81adb92e1b0e575fb5f65e937449 (patch) | |
| tree | 361996c59248f9a83f0115af38aeff16aa3b946a /epan | |
| parent | 2c89242aac8c22f79fd8246079a729c5f65ba5d1 (diff) | |
Add detection of zero checksum.
svn path=/trunk/; revision=13294
Diffstat (limited to 'epan')
| -rw-r--r-- | epan/dissectors/packet-sctp.c | 4 | ||||
| -rw-r--r-- | epan/dissectors/packet-sctp.h | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/epan/dissectors/packet-sctp.c b/epan/dissectors/packet-sctp.c index 662e9b59ab..250110f748 100644 --- a/epan/dissectors/packet-sctp.c +++ b/epan/dissectors/packet-sctp.c @@ -1965,7 +1965,7 @@ dissect_sctp_chunk(tvbuff_t *chunk_tvb, packet_info *pinfo, proto_tree *tree, pr if (padding_length > 0) proto_tree_add_item(chunk_tree, hf_chunk_padding, chunk_tvb, CHUNK_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER); - if (useinfo && ((type == SCTP_DATA_CHUNK_ID) || show_always_control_chunks)) + if (useinfo && ((type == SCTP_DATA_CHUNK_ID) || show_always_control_chunks) && check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_fence(pinfo->cinfo, COL_INFO); return result; @@ -2033,6 +2033,8 @@ dissect_sctp_packet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gboolea length = tvb_length(tvb); checksum = tvb_get_ntohl(tvb, CHECKSUM_OFFSET); + sctp_info.checksum_zero = (checksum == 0); + switch(sctp_checksum) { case SCTP_CHECKSUM_NONE: break; diff --git a/epan/dissectors/packet-sctp.h b/epan/dissectors/packet-sctp.h index 72e5cd594f..484c8d11c2 100644 --- a/epan/dissectors/packet-sctp.h +++ b/epan/dissectors/packet-sctp.h @@ -35,6 +35,7 @@ struct _sctp_info { gboolean adler32_correct; gboolean crc32c_calculated; gboolean crc32c_correct; + gboolean checksum_zero; guint32 verification_tag; guint32 number_of_tvbs; tvbuff_t *tvb[MAXIMUM_NUMBER_OF_TVBS]; |