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convertar - Converts trust anchor repositories from one format to another


convertar operates on input and output files of different Trust Anchor Repository (TAR)
formats. convertar decides what type of file format is being referred to by a
"type:filename" specification. Options can be passed to the convertar module by using a
'/' delimited specifier in the type identifier. Such as
"type/option=value/other=othervalue:filename". See below for a list of different input
and output formats that convertar understands by default and what options they take.

See the Net::DNS::SEC::Tools::TrustAnchor module and its documentation for writing new
plugins to allow convertar to understand other TAR formats.


This command will read in an itar.xml file (available from https://itar.iana.org/) and
convert it to a file that can be read in by BIND's named application:

# convertar -i itar:itar.xml -o bind:bind.conf

Read in multiple files, merge them together and write them out to two different output
file formats (the libval format is printed to stdout):

# convertar -i itar:itar.xml,csv:local.csv -o bind:bind.conf,libval:-


Types and files (e.g. for the -i and -o switches) are specificied using the following


The type portion of the specification dictates what internal module will attempt to read
in the file. The file portion of the specification may or may not be required (but the
':' always is) and may or may not point to a real file, depending on the module in charge
of the content. Some modules may, for exmaple, load content from the network. For types
that can read and write to a file, a '-' may be specified as a file to print to or read
from standard output.

File formats MAY be infered from a trailing suffix, if the trailing suffix. EG, if a
referenced file is foo.csv then internally convertar will translate this to "csv:foo.csv".


The following file formats are known by default to convertar:

A BIND name server (named) compatible trust anchor configuration file. This can be
included within a master named.conf file using the "include" directive.

The bind option can also take a /write_expectations=1 flag when writing to write an
options {} section that will turn on dnssec and require validation for zones from all
the imported data.

E.G. bind/write_expectations=1:named.conf

This is merely an alias that fetches the specspider (http://secspider.cs.ucla.edu/)
bind configuration file and then parse it using the bind file format.

WARNING: The PGP signature on the downloaded file is NOT checked.

csv A comma-separated list format.

A Perl hash dump format. This should be used mostly for debugging of newly developed
modules as it shows the internal hash structure that is passed between modules.

IANA's itar format, which is an XML-based format of trust anchor keys. IANA's file is
available from https://itar.iana.org/.

Specifying only 'itar:' line only (or itar:URL), convertar will attempt to retrieve
the current remote ITAR respository file directly.

WARNING: The PGP signature on the downloaded file is NOT checked.

NOTE: support for downloading the ITAR repository over the network requires the
LWP::UserAgent module to be installed.

The libval format is the configuration file format that DNSSEC-Tool's libval library

The libval option can also take a /write_expectations=1 flag when writing to specify
that the default (:) zone-security-expectation's should be populated to require
validation of all the zones with imported data. All other zones will have a policy
set to 'ignore.

E.G. libval/write_expectations=1:dnsval.conf

mf The master file (mf) format is also available from the itar web site.

dns The dns format performs live queries of records attached to a domain name to request
either DS or DNSKEY records. By default, DNSKEY records will be queried. The
specific type to be queried can be specified by preceeding the zone name with a "ds/"
or "dnskey/" prefix. Example valid 'dns:' type specifications:


Also, if you want to read dnskeys from the network but convert them to ds records, you
can use the /tods flag:


The DNS type can not output records and is only useful for reading in information.

WARNING: The keys and data being retrieved are not internally validated and thus
should not be trusted unless a secured resolver is being used.


Input file(s) to process.

convertar will read in the specified file(s). Multiple files can be separated by

Output file(s) to write.

convertar will write out these specified file(s) in the requested output formats.
Multiple files can be separated by commas.

Displays command line help information.

Controls the use of the optional GUI.


Copyright 2009-2013 SPARTA, Inc. All rights reserved. See the COPYING file included with
the DNSSEC-Tools package for details.

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