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authorSebastian Lackner2017-11-28 01:11:19 +0100
committerrfjakob2017-11-28 09:28:06 +0100
commiteba49402e44971fdf007c8b33aa71c29bc2a7cad (patch)
tree70ec3e47078eb6180d39271023577936bc3873bc /internal/fusefrontend
parentad2720e0f939ce82605549bdb8c8479c285cb7df (diff)
fusefrontend: Introduce a openBackingPath helper and use it to simplify Mknod and Symlink
Diffstat (limited to 'internal/fusefrontend')
-rw-r--r--internal/fusefrontend/fs.go14
-rw-r--r--internal/fusefrontend/names.go15
2 files changed, 17 insertions, 12 deletions
diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index bb8e1cf..a77eae0 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -278,17 +278,12 @@ func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context)
if fs.isFiltered(path) {
return fuse.EPERM
}
- cPath, err := fs.getBackingPath(path)
- if err != nil {
- return fuse.ToStatus(err)
- }
- dirfd, err := os.Open(filepath.Dir(cPath))
+ dirfd, cName, err := fs.openBackingPath(path)
if err != nil {
return fuse.ToStatus(err)
}
defer dirfd.Close()
// Create ".name" file to store long file name (except in PlaintextNames mode)
- cName := filepath.Base(cPath)
if !fs.args.PlaintextNames && nametransform.IsLongContent(cName) {
err = fs.nameTransform.WriteLongName(dirfd, cName, path)
if err != nil {
@@ -423,11 +418,7 @@ func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (co
if fs.isFiltered(linkName) {
return fuse.EPERM
}
- cPath, err := fs.getBackingPath(linkName)
- if err != nil {
- return fuse.ToStatus(err)
- }
- dirfd, err := os.Open(filepath.Dir(cPath))
+ dirfd, cName, err := fs.openBackingPath(linkName)
if err != nil {
return fuse.ToStatus(err)
}
@@ -439,7 +430,6 @@ func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (co
cTarget = fs.nameTransform.B64.EncodeToString(cBinTarget)
}
// Create ".name" file to store long file name (except in PlaintextNames mode)
- cName := filepath.Base(cPath)
if !fs.args.PlaintextNames && nametransform.IsLongContent(cName) {
err = fs.nameTransform.WriteLongName(dirfd, cName, linkName)
if err != nil {
diff --git a/internal/fusefrontend/names.go b/internal/fusefrontend/names.go
index 3833479..9be2623 100644
--- a/internal/fusefrontend/names.go
+++ b/internal/fusefrontend/names.go
@@ -3,6 +3,7 @@ package fusefrontend
// This file forwards file encryption operations to cryptfs
import (
+ "os"
"path/filepath"
"github.com/rfjakob/gocryptfs/internal/configfile"
@@ -39,6 +40,20 @@ func (fs *FS) getBackingPath(relPath string) (string, error) {
return cAbsPath, nil
}
+// openBackingPath - get the absolute encrypted path of the backing file
+// and open the corresponding directory
+func (fs *FS) openBackingPath(relPath string) (*os.File, string, error) {
+ cPath, err := fs.getBackingPath(relPath)
+ if err != nil {
+ return nil, "", err
+ }
+ dirfd, err := os.Open(filepath.Dir(cPath))
+ if err != nil {
+ return nil, "", err
+ }
+ return dirfd, filepath.Base(cPath), nil
+}
+
// encryptPath - encrypt relative plaintext path
func (fs *FS) encryptPath(plainPath string) (string, error) {
if fs.args.PlaintextNames {