Alistair Coles 2a75091c58 Make ECDiskFileReader check fragment metadata ...

This patch makes the ECDiskFileReader check the validity of EC
fragment metadata as it reads chunks from disk and quarantine a
diskfile with bad metadata. This in turn means that both the object
auditor and a proxy GET request will cause bad EC fragments to be
quarantined.

This change is motivated by bug 1631144 which may result in corrupt EC
fragments being written to disk but appear valid to the object auditor
md5 hash and content-length checks.

NotImplemented:

 * perform metadata check when a read starts on any frag_size
   boundary, not just at zero

Related-Bug: #1631144
Closes-Bug: #1633647

Change-Id: Ifa6a7f8aaca94c7d39f4aeb9d4fa3f59c4f6ee13
Co-Authored-By: Clay Gerrard <clay.gerrard@gmail.com>
Co-Authored-By: Kota Tsuyuzaki <tsuyuzaki.kota@lab.ntt.co.jp>

2016-11-01 13:11:02 -07:00

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