blog/Detect_OOXML_files_with_undefined_behaviour_.html

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   6     <title>Petter Reinholdtsen: Detect OOXML files with undefined behaviour?</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">Detect OOXML files with undefined behaviour?</div>
  24       <div class="date">21st February 2017</div>
  25       <div class="body"><p>I just noticed
  26 <a href="http://www.arkivrad.no/aktuelt/riksarkivarens-forskrift-pa-horing">the
  27 new Norwegian proposal for archiving rules in the goverment</a> list
  28 <a href="http://www.ecma-international.org/publications/standards/Ecma-376.htm">ECMA-376</a>
  29 / ISO/IEC 29500 (aka OOXML) as valid formats to put in long term
  30 storage.  Luckily such files will only be accepted based on
  31 pre-approval from the National Archive.  Allowing OOXML files to be
  32 used for long term storage might seem like a good idea as long as we
  33 forget that there are plenty of ways for a "valid" OOXML document to
  34 have content with no defined interpretation in the standard, which
  35 lead to a question and an idea.</p>
  36
  37 <p>Is there any tool to detect if a OOXML document depend on such
  38 undefined behaviour?  It would be useful for the National Archive (and
  39 anyone else interested in verifying that a document is well defined)
  40 to have such tool available when considering to approve the use of
  41 OOXML.  I'm aware of the
  42 <a href="https://github.com/arlm/officeotron/">officeotron OOXML
  43 validator</a>, but do not know how complete it is nor if it will
  44 report use of undefined behaviour.  Are there other similar tools
  45 available?  Please send me an email if you know of any such tool.</p>
  46 </div>
  47
  48       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/standard">standard</a>.</div>
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  60 <h2>Archive</h2>
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 273 <li>2012
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 300 </ul></li>
 301
 302 <li>2011
 303 <ul>
 304
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 306
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 328
 329 </ul></li>
 330
 331 <li>2010
 332 <ul>
 333
 334 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 335
 336 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
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 358 </ul></li>
 359
 360 <li>2009
 361 <ul>
 362
 363 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
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 387 </ul></li>
 388
 389 <li>2008
 390 <ul>
 391
 392 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
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 398 </ul>
 399
 400
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 402 <h2>Tags</h2>
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 466
 467  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
 468
 469  <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
 470
 471  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (42)</a></li>
 472
 473  <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (13)</a></li>
 474
 475  <li><a href="http://people.skolelinux.org/pere/blog/tags/noark5">noark5 (22)</a></li>
 476
 477  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (314)</a></li>
 478
 479  <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (197)</a></li>
 480
 481  <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (38)</a></li>
 482
 483  <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
 484
 485  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (75)</a></li>
 486
 487  <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (111)</a></li>
 488
 489  <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (2)</a></li>
 490
 491  <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
 492
 493  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
 494
 495  <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
 496
 497  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (12)</a></li>
 498
 499  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 500
 501  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (7)</a></li>
 502
 503  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
 504
 505  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (57)</a></li>
 506
 507  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 508
 509  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 510
 511  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (70)</a></li>
 512
 513  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (7)</a></li>
 514
 515  <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (12)</a></li>
 516
 517  <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (60)</a></li>
 518
 519  <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (4)</a></li>
 520
 521  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 522
 523  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 524
 525  <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (18)</a></li>
 526
 527  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (74)</a></li>
 528
 529  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 530
 531  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (42)</a></li>
 532
 533 </ul>
 534
 535
 536     </div>
 537     <p style="text-align: right">
 538  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 539 </p>
 540
 541   </body>
 542 </html>