[ldns-users] ldns 1.6.4 released

Matthijs Mekking matthijs at NLnetLabs.nl
Thu Jan 21 10:19:34 UTC 2010

Hash: SHA1

Hi Henry,

LDNS used to read a backslash as a backslash, not an escape character.
For example, the rdata in
	example.org IN TXT " \a"
was converted into " \a", while it actually should be " a" (without the
escape character).

This became an issue when signing the record. The input data for
creating the signature was wrong and thus a false signature was produced.

Hope this clarifies the issue.

Best regards,

Matthijs Mekking
NLnet Labs

Henri Asseily wrote:
> Hi Matthijs,
> regarding the below:
> Bugfix: handle escaped characters in TXT rdata.
> can you expand on that? What was the problem? It's of high interest to
> me because .tel domains use TXT data extensively, and I didn't seem to
> run into that bug.
> Thanks
> Henri Asseily
> henri.tel
> CSO/CTO Telnic
> On 1/20/2010 6:11 PM, Matthijs Mekking wrote:
> Hi,
> LDNS 1.6.4 is just out! PyLDNS is contributed and more bugs are fixed.
> Look for more details in the Changelog below.
> Get it at:
>     http://www.nlnetlabs.nl/downloads/ldns/ldns-1.6.4.tar.gz
> sha1:    9015968ad3ddd015c750c15b60e60b9cccd393ec
> Best regards,
> Matthijs Mekking
> NLnet Labs
> Changelog:
> 1.6.4    2010-01-20
> * Imported pyldns contribution by Zdenek Vasicek and Karel Slany.
>    Changed its configure and Makefile to fit into ldns.
>    Added its dname_* methods to the rdf_* class (as is the ldns API).
>    Changed swig destroy of ldns_buffer class to ldns_buffer_free.
>    Declared ldns_pkt_all and ldns_pkt_all_noquestion so swig sees them.
> * Bugfix: parse PTR target of .tomhendrikx.nl with error not crash.
> * Bugfix: handle escaped characters in TXT rdata.
> * bug292: no longer crash on malformed domain names where a label is
>    on position 255, which was a buffer overflow by one.
> * Fix ldns_get_rr_list_hosts_frm_fp_l (strncpy to strlcpy change),
>    which fixes resolv.conf reading badly terminated string buffers.
> * Fix ldns_pkt_set_random_id to be more random, and a little faster,
>    it did not do value 0 statistically correctly.
> * Fix ldns_rdf2native_sockaddr_storage to set sockaddr type to zeroes,
>    for portability.
> * bug295: nsec3-hash routine no longer case sensitive.
> * bug298: drill failed nsec3 denial of existence proof.
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