[Poppler-bugs] [Bug 101385] New: Segfault on locked documents in c++ api
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Jun 12 09:39:29 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=101385
Bug ID: 101385
Summary: Segfault on locked documents in c++ api
Product: poppler
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: major
Priority: medium
Component: cpp frontend
Assignee: poppler-bugs at lists.freedesktop.org
Reporter: jeroen.ooms at stat.ucla.edu
If the user enters an incorrect password when reading a protected pdf via
document::load_from_raw_data() a message 'Incorrect password' is printed,
however the function still returns a valid *document object.
This returned object has doc->is_locked() == true and several methods are still
available such as:
doc->get_pdf_version()
doc->info_date()
doc->is_encrypted()
doc->is_locked()
This is useful. What's not good is that calling any of the other methods will
cause a segfault. For example:
doc->pages()
doc->page_layout()
doc->metadata()
doc->create_pag()
doc->fonts()
Calling any of these methods on a locked document should raise a c++ exception
(e.g. "error: pdf file is locked") rather than crashing.
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