https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3914
--- Comment #6 from Bill Meier <wmeier@xxxxxxxxxxx> 2009-12-02 08:25:03 PST ---
A question re decoding SDNV values in packet-dtn.c:
Looking at the Bundle Protocol Specification
(draft-irtf-dtnrg-bundle-spec-10.txt)
[http://tools.ietf.org/html/draft-irtf-dtnrg-bundle-spec-10#page-14]
I see the following about the SDNV encoding scheme:
"...an 8-octet value (a 64-bit quantity with no leading zeroes) would be
encoded in a 10-octet SDNV (one octet containing the high-order bit
of the value padded with six leading zero bits, followed by nine
octets containing the remaining 63 bits of the value)."
Looking at the code in evaluate_sdnv_64() in packet-dtn.c it appears to me that
the the code actually considers only 1 - 8 octet SDNVs as valid for a 64 bit
quantity when it should allow up to 10 octets.
There appears to be a similar issue for evaluate_sdnv().
Is my conclusion correct ?
Thanks
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