fix: verify length and hashes of fetched bytes before parsing #325
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mnm678
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mnm678
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znewman01
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rdimitrov
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Jun 23, 2022
Add BytesMatchLenAndHashes() to verify that fetched bytes match the expected length and hashes. This is useful to check data before parsing. Signed-off-by: Joshua Lock <[email protected]>
Signed-off-by: Joshua Lock <[email protected]>
Signed-off-by: Joshua Lock <[email protected]>
Signed-off-by: Joshua Lock <[email protected]>
We check the length and hashes of the fetched bytes before parsing them, therefore once the data are parsed into a FileMeta we only need to check against the expected version. The length and hashes checks are no longer required at this point, as they have already been done. Signed-off-by: Joshua Lock <[email protected]>
Signed-off-by: Joshua Lock <[email protected]>
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Add tests for newly exported functions in the util package: * VersionEqual() - simple test of version number comparison * BytesMatchLenAndHashes() - check function returns appropriate errors when incorrect length, hashes, or both are passed Signed-off-by: Joshua Lock <[email protected]>
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I've add some tests in af46f5d and removed the unnecessary PTAL @mnm678 @znewman01 @rdimitrov 🙏 |
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Fixes #233
Release Notes:
Check hashes and length of downloaded snapshot and targets metadata before parsing.
Types of changes:
Description of the changes being introduced by the pull request:
Better match the specification by performing checks against length and hashes on the downloaded bytes before parsing the bytes into a FileMeta.
Please verify and check that the pull request fulfills the following requirements: