osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity

From Daniel Rao: 

Implement desegment for SIGCOMP over TCP, similar with HTTP desegment.

svn path=/trunk/; revision=22467
This commit is contained in:
Anders Broman 2007-08-08 12:44:28 +00:00
parent cf95f5ccfd
commit 7badbc8eb6
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
epan/dissectors/packet-sigcomp.c
View File

@ -391,6 +391,25 @@ dissect_sigcomp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
if ((octet & 0xf8) != 0xf8)
return offset;
/* Search for delimiter 0xffff in the remain tvb buffer */
length = tvb_ensure_length_remaining(tvb, offset);
for(i=0; i<(length-1); ++i){
/* Loop end criteria is (length-1) because we take 2 bytes each loop */
data = tvb_get_ntohs(tvb, offset+i);
if (0xffff == data) break;
}
if (i >= (length-1)){
/* SIGCOMP may be subdissector of SIP, so we use
* pinfo->saved_can_desegment to determine whether do desegment
* as well as pinfo->can_desegment */
if (pinfo->can_desegment || pinfo->saved_can_desegment){
/* Delimiter oxffff was not found, not a complete SIGCOMP PDU */
pinfo->desegment_offset = offset;
pinfo->desegment_len=DESEGMENT_ONE_MORE_SEGMENT;
return -1;
}
}
/* Make entries in Protocol column and Info column on summary display */
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SIGCOMP");