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check ENOTDIR for readlink #1597

Merged
merged 6 commits into from
Mar 30, 2021
Merged

check ENOTDIR for readlink #1597

merged 6 commits into from
Mar 30, 2021

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butonic
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@butonic butonic commented Mar 29, 2021

{
  "level": "error",
  "service": "storage",
  "pkg": "rgrpc",
  "traceid": "24d2f1bb7b3cb88c68fd005ced336cce",
  "error": "Decomposedfs: Wrap: readlink error: readlink /var/tmp/ocis/storage/users/nodes/a5066dc8-8566-4aa4-9286-d63c30bdc9a6/somename: not a directory",
  "time": "2021-03-29T19:01:05Z",
  "caller": "/home/vscode/go/pkg/mod/github.com/cs3org/[email protected]/internal/grpc/services/storageprovider/storageprovider.go:571",
  "message": "error stating: path:\"/home/testfile.txt/somename\" "
}

readlink returns ENOTDIR when a path segment is a file and not a directory. os.IsNotExist won't cover this case: golang/go#18974

part of owncloud/ocis#1239

Links: https://www.man7.org/linux/man-pages/man2/readlink.2.html

Signed-off-by: Jörn Friedrich Dreyer <[email protected]>
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update-docs bot commented Mar 29, 2021

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes.

butonic added 2 commits March 29, 2021 20:47
Signed-off-by: Jörn Friedrich Dreyer <[email protected]>
Signed-off-by: Jörn Friedrich Dreyer <[email protected]>
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butonic commented Mar 29, 2021

remaining apiWebdavProperties1/copyFile.feature tests require returning a new error type that we can use to map the AlreadyExists error ...

@butonic butonic marked this pull request as ready for review March 29, 2021 21:02
@butonic butonic requested a review from labkode as a code owner March 29, 2021 21:02
@butonic butonic requested a review from ishank011 March 29, 2021 21:05
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butonic commented Mar 29, 2021

@ishank011 I also removed the failing test from eos because I don't expect it to be an issue for eos ...

aduffeck
aduffeck previously approved these changes Mar 30, 2021
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LGTM 👍

You could maybe consider adding a unit test to the Describe("Child", ... block in node_test.go for it, e.g.

		It("handles (broken) links including file segments by returning an non-existant node", func() {
			child, err := parent.Child(env.Ctx, "file1/broken")
			Expect(err).ToNot(HaveOccurred())
			Expect(child).ToNot(BeNil())
			Expect(child.Exists).To(BeFalse())
		})

butonic added 2 commits March 30, 2021 09:14
Signed-off-by: Jörn Friedrich Dreyer <[email protected]>
Signed-off-by: Jörn Friedrich Dreyer <[email protected]>
@ishank011 ishank011 merged commit 4fd0229 into cs3org:master Mar 30, 2021
ffurano pushed a commit to ffurano/reva that referenced this pull request Apr 19, 2021
@butonic butonic deleted the check-notdir branch July 8, 2021 20:37
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3 participants