diff options
Diffstat (limited to 'internal/nametransform/names_diriv.go')
| -rw-r--r-- | internal/nametransform/names_diriv.go | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/internal/nametransform/names_diriv.go b/internal/nametransform/names_diriv.go index 61e5bf0..94c41c8 100644 --- a/internal/nametransform/names_diriv.go +++ b/internal/nametransform/names_diriv.go @@ -6,7 +6,6 @@ import ( "os" "path/filepath" "strings" - "sync" "github.com/rfjakob/gocryptfs/internal/cryptocore" "github.com/rfjakob/gocryptfs/internal/toggledlog" @@ -20,46 +19,6 @@ const ( DirIVFilename = "gocryptfs.diriv" ) -// A simple one-entry DirIV cache -type dirIVCache struct { - // Invalidated? - cleared bool - // The DirIV - iv []byte - // Directory the DirIV belongs to - dir string - // Ecrypted version of "dir" - translatedDir string - // Synchronisation - lock sync.RWMutex -} - -// lookup - fetch entry for "dir" from the cache -func (c *dirIVCache) lookup(dir string) (bool, []byte, string) { - c.lock.RLock() - defer c.lock.RUnlock() - if !c.cleared && c.dir == dir { - return true, c.iv, c.translatedDir - } - return false, nil, "" -} - -// store - write entry for "dir" into the caches -func (c *dirIVCache) store(dir string, iv []byte, translatedDir string) { - c.lock.Lock() - defer c.lock.Unlock() - c.cleared = false - c.iv = iv - c.dir = dir - c.translatedDir = translatedDir -} - -func (c *dirIVCache) Clear() { - c.lock.Lock() - defer c.lock.Unlock() - c.cleared = true -} - // readDirIV - read the "gocryptfs.diriv" file from "dir" (absolute ciphertext path) func (be *NameTransform) ReadDirIV(dir string) (iv []byte, readErr error) { ivfile := filepath.Join(dir, DirIVFilename) |