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-rw-r--r--internal/nametransform/diriv_cache.go43
-rw-r--r--internal/nametransform/names_diriv.go41
2 files changed, 43 insertions, 41 deletions
diff --git a/internal/nametransform/diriv_cache.go b/internal/nametransform/diriv_cache.go
new file mode 100644
index 0000000..c6f2ca9
--- /dev/null
+++ b/internal/nametransform/diriv_cache.go
@@ -0,0 +1,43 @@
+package nametransform
+
+import "sync"
+
+// 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
+}
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)