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Make it more obvious when ethereal fails to dissect a PER contruct 

1, put a hint why it failed in the COL_INFO line
2, abort dissecting any further (by reading from the arbitrary position 9999 in the tvb
3, put "something unknown here [xxx]" as the last entry in the tree.

svn path=/trunk/; revision=10569
This commit is contained in:
Ronnie Sahlberg 2004-04-09 00:31:41 +00:00
parent 21c592319a
commit 245225df38
1 changed files with 7 additions and 3 deletions
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10
packet-per.h
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@ -2,7 +2,7 @@
* Routines for dissection of ASN.1 Aligned PER
* 2003 Ronnie Sahlberg
*
* $Id: packet-per.h,v 1.13 2004/03/04 07:07:00 guy Exp $
* $Id: packet-per.h,v 1.14 2004/04/09 00:31:41 sahlberg Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -27,8 +27,12 @@
#define __PACKET_PER_H__
#define NOT_DECODED_YET(x) \
proto_tree_add_text(tree, tvb, offset, 0, "something unknown here"); \
fprintf(stderr,"Not decoded yet in packet : %d [%s]\n", pinfo->fd->num,x);
proto_tree_add_text(tree, tvb, offset, 0, "something unknown here [%s]",x); \
fprintf(stderr,"Not decoded yet in packet : %d [%s]\n", pinfo->fd->num,x); \
if (check_col(pinfo->cinfo, COL_INFO)){ \
col_append_fstr(pinfo->cinfo, COL_INFO, "[UNKNOWN PER: %s]", x); \
} \
tvb_get_guint8(tvb, 9999);
/* in all functions here, offset is guint32 and is
byteposition<<3 + bitposition