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api: Upon bucket delete remove in-memory state properly. (#4716)

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This PR fixes the issue of cleaning up in-memory state
properly. Without this PR we can lead to security
situations where new bucket would inherit wrong
permissions on bucket and expose objects erroneously.

Fixes #4714
This commit is contained in:
Harshavardhana
2017-07-23 19:35:18 -07:00
committed by Dee Koder
parent b918a6592f
commit 4785555d34
2 changed files with 13 additions and 6 deletions
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cmd/event-notifier.go
+4 -6
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@@ -503,9 +503,8 @@ func removeNotificationConfig(bucket string, objAPI ObjectLayer) error {
// Acquire a write lock on notification config before modifying.
objLock := globalNSMutex.NewNSLock(minioMetaBucket, ncPath)
objLock.Lock()
err := objAPI.DeleteObject(minioMetaBucket, ncPath)
objLock.Unlock()
return err
defer objLock.Unlock()
return objAPI.DeleteObject(minioMetaBucket, ncPath)
}
// Remove listener configuration from storage layer. Used when a bucket is deleted.
@@ -516,9 +515,8 @@ func removeListenerConfig(bucket string, objAPI ObjectLayer) error {
// Acquire a write lock on notification config before modifying.
objLock := globalNSMutex.NewNSLock(minioMetaBucket, lcPath)
objLock.Lock()
err := objAPI.DeleteObject(minioMetaBucket, lcPath)
objLock.Unlock()
return err
defer objLock.Unlock()
return objAPI.DeleteObject(minioMetaBucket, lcPath)
}
// Loads both notification and listener config.