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

some ber/der stuff like pkinit do use very large integers, 8 and 16 byte ones have been spotted. 

make the ber helpers handle these large integers as well as possible.

svn path=/trunk/; revision=11225
This commit is contained in:
Ronnie Sahlberg 2004-06-24 05:31:21 +00:00
parent 0f1f4361c6
commit c424f27edc
1 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
packet-ber.c
View File

@ -2,7 +2,7 @@
* Helpers for ASN.1/BER dissection
* Ronnie Sahlberg (C) 2004
*
* $Id: packet-ber.c,v 1.11 2004/06/05 09:59:45 sahlberg Exp $
* $Id: packet-ber.c,v 1.12 2004/06/24 05:31:21 sahlberg Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -43,6 +43,7 @@
#include <epan/packet.h>
#include <epan/strutil.h>
#include <epan/int-64bit.h>
#include "prefs.h"
#include "packet-ber.h"
@ -315,6 +316,21 @@ dissect_ber_integer(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int off
offset=dissect_ber_length(pinfo, tree, tvb, offset, &len, NULL);
/* if(class!=BER_CLASS_UNI)*/
/* ok, we cant handle >4 byte integers so lets fake them */
if(len>8){
proto_tree_add_text(tree, tvb, offset, len, "BER: Can not parse %d byte integers", len);
return 0xdeadbeef;
}
if(len>4){
header_field_info *hfinfo;
char buf[8]={0,0,0,0,0,0,0,0};
tvb_memcpy(tvb, buf+8-len, offset, len);
hfinfo = proto_registrar_get_nth(hf_id);
proto_tree_add_text(tree, tvb, offset, len, "%s: %s", hfinfo->name, u64toa(buf));
return 0xdeadbeef;
}
val=0;
if (len > 0) {