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authorJakob Unterwurzacher2016-02-06 20:27:28 +0100
committerJakob Unterwurzacher2016-02-06 20:27:28 +0100
commit6b27b6a1e71e8cd7c4910192cc31e70d3d1b652d (patch)
treeda6a80dfec2712fec0dd983b45e4c1a7fbaebf00 /internal/nametransform/names_diriv.go
parent9b6894bdbfa19020c06947a2e0d598c594f298da (diff)
Move dirIVCache to its own file
Diffstat (limited to 'internal/nametransform/names_diriv.go')
-rw-r--r--internal/nametransform/names_diriv.go41
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)