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https://issues.apache.org/jira/browse/XERCESC-1826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boris Kolpackov updated XERCESC-1826:
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Component/s: Utilities
> XMLURL::makeNewStream() fails to decode file:/// URLs containing the
> (properly escaped) % character
> ---------------------------------------------------------------------------------------------------
>
> Key: XERCESC-1826
> URL: https://issues.apache.org/jira/browse/XERCESC-1826
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.5.0, 2.6.0, 2.7.0, 2.8.0, 3.0.0, 2.9.0, 3.1.0
> Environment: Windows XP Prof. German, MS Visual Studio 2003
> Reporter: Matteo Ceruti
>
> I truly believe that XMLURL::makeNewStream() (see
> src/xercesc/util/XMLURL.cpp) does not correctly handle file:///-URLs
> containing the escape-sequence %25 (that is the '%'-character itself).
> Consider you have a win32 filepath like "C:\Documents\myfile_%_.xml" . Its
> URL would be "file:///C:/Documents/myfile_%25_.xml", right? But this URL is
> rejected by raising a MalformedURLException.
> makeNewStream() decodes the URL by searching and replacing the
> escape-sequences one by one. When it sucessfully replaced %25 by the
> '%'-character it continunes it's search for the next escape-sequence. The
> problem is, that it starts at the very position, where the last
> escape-sequence began. Therefore it suddenly finds a %-character again,
> because it had just been put there.
> This happens at least with xerces-c 2.5 and it seems that the current
> (revision=670359)
> http://svn.apache.org/viewvc/xerces/c/trunk/src/xercesc/util/XMLURL.cpp still
> has this problem. So probably other releases may have the same issue.
> I think the line
> percentIndex = XMLString::indexOf(realPath, chPercent, percentIndex,
> fMemoryManager);
> should be replaced by
> percentIndex = XMLString::indexOf(realPath, chPercent, percentIndex + 1,
> fMemoryManager);
> This works for me.
> Please correct me, if I'm wrong. Thank you in advance.
> Best regards,
> Matteo
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