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55ea440428
distribution/registry/storage
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Stephen J Day 55ea440428
registry/{storage,handlers}: limit content sizes 
Under certain circumstances, the use of `StorageDriver.GetContent` can
result in unbounded memory allocations. In particualr, this happens when
accessing a layer through the manifests endpoint.

This problem is mitigated by setting a 4MB limit when using to access
content that may have been accepted from a user. In practice, this means
setting the limit with the use of `BlobProvider.Get` by wrapping
`StorageDriver.GetContent` in a helper that uses `StorageDriver.Reader`
with a `limitReader` that returns an error.

When mitigating this security issue, we also noticed that the size of
manifests uploaded to the registry is also unlimited. We apply similar
logic to the request body of payloads that are full buffered.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-07-06 17:13:39 -07:00
..
cache Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
driver Fix signalling Wait in regulator.enter 2017-06-02 15:41:55 +02:00
blob_test.go registry/storage: clean up zero-length blob comments 2017-01-27 15:28:30 -08:00
blobcachemetrics.go Open cache interface 2015-05-15 17:56:28 -07:00
blobserver.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
blobstore.go registry/{storage,handlers}: limit content sizes 2017-07-06 17:13:39 -07:00
blobwriter_nonresumable.go If resumable digest support is disabled, detct this when closing the blobwriter 2016-06-13 17:35:06 -07:00
blobwriter_resumable.go Adds new storagedriver.FileWriter interface 2016-03-08 16:37:44 -08:00
blobwriter.go registry/storage: clean up zero-length blob comments 2017-01-27 15:28:30 -08:00
catalog_test.go Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
catalog.go Improve catalog enumerate runtime by an order of magnitude 2016-08-09 17:42:26 -07:00
digester_resumable_test.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
doc.go Move storage package under registry package 2015-02-11 12:43:04 -08:00
filereader_test.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
filereader.go Adds new storagedriver.FileWriter interface 2016-03-08 16:37:44 -08:00
garbagecollect_test.go Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
garbagecollect.go Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
io.go registry/{storage,handlers}: limit content sizes 2017-07-06 17:13:39 -07:00
linkedblobstore_test.go Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
linkedblobstore.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
manifestlisthandler.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
manifeststore_test.go Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
manifeststore.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
paths_test.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
paths.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
purgeuploads_test.go Remove pathMapper object 2015-08-17 18:51:05 -07:00
purgeuploads.go fixing acronyms case 2017-01-31 01:29:30 +08:00
registry.go Fix the build. 2016-07-21 17:16:47 -07:00
schema2manifesthandler_test.go Update schema2 builder to take media type 2016-12-14 16:17:20 -08:00
schema2manifesthandler.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
signedmanifesthandler.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
tagstore_test.go Update registry to use WithName for creating Named values 2017-01-18 13:56:56 -08:00
tagstore.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
util.go Refactor Blob Service API 2015-05-15 17:05:18 -07:00
vacuum.go digest: migrate to opencontainers/go-digest 2017-01-06 15:42:03 -08:00
walk_test.go Fix some typos in comments and strings 2016-02-23 22:33:38 +01:00
walk.go storage: enforce sorted traversal during Walk 2015-12-01 16:25:30 -08:00