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Any software to toggle this flag?

Posted Jun 2, 2009 2:55 UTC (Tue) by foom (subscriber, #14868)
In reply to: Any software to toggle this flag? by ncm
Parent article: Okular, Debian, and copy restrictions

Unfortunately not. At least the version in Debian requires the owner password to do *anything*,
including even basic things like the "cat" command.

pdftk test.pdf output test.output.pdf allow AllFeatures
Error: Failed to open PDF file:
test.pdf
OWNER PASSWORD REQUIRED, but not given (or incorrect)
Errors encountered. No output created.
Done. Input errors, so no output created.

(Log in to post comments)

Posted Jun 2, 2009 3:57 UTC (Tue) by foom (subscriber, #14868) [Link]

Okay, it turns out that pdftk can do it, if you apply a little patch. I found out what to do here:

http://newsgroups.derkeiler.com/Archive/Comp/comp.text.pd...

The source says:
input_pdf_p->m_authorized_b= ( !reader->encrypted || reader->passwordIsOwner );

But of course I want:
input_pdf_p->m_authorized_b= true;

Hooray for DRM.

I submitted http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=531529 for this.