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Only use realpath for real directories #26058

Merged
merged 1 commit into from
Sep 8, 2016
Merged

Only use realpath for real directories #26058

merged 1 commit into from
Sep 8, 2016

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PVince81
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@PVince81 PVince81 commented Sep 7, 2016 •
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Description

In some cross-local-storage use cases, the Local storage is
instantiated with "/" as data directory. In such cases, calling
realpath() would cause PHP warnings when open_basedir is set.

This fix bypasses the realpath() call when dealing with a root storage.

This occurs mostly when overwriting files with Webdav because it will trigger the version code's version copying which is internally a cross-storage copy apparently.

Related Issue

Fixes #26033

Motivation and Context

See issue, mostly a PHP warning

How Has This Been Tested?

See steps in issue

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

  • My code follows the code style of this project.
  • My change requires a change to the documentation.
  • I have updated the documentation accordingly.
  • I have read the CONTRIBUTING document.
  • I have added tests to cover my changes.
  • All new and existing tests passed.

(can't really automatically test due to calling PHP system function)

Backports

  • stable9.1
  • stable9
  • stable8.2

Please review @owncloud/filesystem @timreeves @DeepDiver1975 @butonic

Only use realpath for real directories
1afd0fb 
In some cross-local-storage use cases, the Local storage is
instantiated with "/" as data directory. In such cases, calling
realpath() would cause PHP warnings when open_basedir is set.

This fix bypasses the realpath() call when dealing with a root storage.
@PVince81 PVince81 added this to the 9.2 milestone Sep 7, 2016
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@PVince81, thanks for your PR! By analyzing the annotation information on this pull request, we identified @icewind1991, @DeepDiver1975 and @nickvergessen to be potential reviewers

@PVince81 PVince81 mentioned this pull request Sep 7, 2016
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@guruz
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guruz commented Sep 7, 2016

👍

1 similar comment
@butonic
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butonic commented Sep 7, 2016

👍

@timreeves
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timreeves commented Sep 7, 2016 •
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Thanks to @PVince81. I confirm that the code fix (which I manually copied into my 9.1.0) does work - for my case at least - at last no more such entries in my OC log! Oh yes - and it would be great if the fix will be in 9.1.1.

@PVince81
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PVince81 commented Sep 7, 2016

Hmm I was wrong about the backports, seems only OC 9.1 is affected.
Well, the root dir does exist in older versions, but the realpath call doesn't.

@PVince81 PVince81 mentioned this pull request Sep 7, 2016
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PVince81 commented Sep 7, 2016

stable9.1: #26060

@DeepDiver1975 can you kick/boot/reboot/... Jenkins ? Still the mysql error

@DeepDiver1975 DeepDiver1975 merged commit 0751c2e into master Sep 8, 2016
@DeepDiver1975 DeepDiver1975 deleted the fix-openbasedir-realpath-warning branch September 8, 2016 10:11
LukasReschke pushed a commit to nextcloud/server that referenced this pull request Sep 26, 2016
@LukasReschke
Only use realpath for real directories (#26058)
1f21a13 
In some cross-local-storage use cases, the Local storage is
instantiated with "/" as data directory. In such cases, calling
realpath() would cause PHP warnings when open_basedir is set.

This fix bypasses the realpath() call when dealing with a root storage.

Downstreaming of owncloud/core#26058

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>
@LukasReschke LukasReschke mentioned this pull request Sep 26, 2016
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This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

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Successfully merging this pull request may close these issues.

9.1.0: realpath error messages in OC log although file uploads succeed
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@PVince81 @mention-bot @guruz @butonic @timreeves @DeepDiver1975