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authorJakob Unterwurzacher2017-04-01 14:17:54 +0200
committerJakob Unterwurzacher2017-04-01 14:17:54 +0200
commit3cd18f288f487f0dfc8bd8de1288ed3b92cc5ca5 (patch)
tree4dbfeb9c279126a01070c23d3ffc36444389331c /internal/fusefrontend_reverse
parentdf07acf867484c728326c28dd91ed2e5f2e95bb2 (diff)
fusefrontend_reverse: add comment to newVirtualFile
...and improve and comment variable naming in findLongnameParent. No semantic changes.
Diffstat (limited to 'internal/fusefrontend_reverse')
-rw-r--r--internal/fusefrontend_reverse/reverse_longnames.go10
-rw-r--r--internal/fusefrontend_reverse/virtualfile.go4
2 files changed, 10 insertions, 4 deletions
diff --git a/internal/fusefrontend_reverse/reverse_longnames.go b/internal/fusefrontend_reverse/reverse_longnames.go
index f1c45ca..0830298 100644
--- a/internal/fusefrontend_reverse/reverse_longnames.go
+++ b/internal/fusefrontend_reverse/reverse_longnames.go
@@ -84,18 +84,20 @@ func (rfs *ReverseFS) findLongnameParent(dir string, dirIV []byte, longname stri
func (rfs *ReverseFS) newNameFile(relPath string) (nodefs.File, fuse.Status) {
dotName := filepath.Base(relPath) // gocryptfs.longname.XYZ.name
longname := dotName[:len(dotName)-len(nametransform.LongNameSuffix)] // gocryptfs.longname.XYZ
-
+ // cipher directory
cDir := saneDir(relPath)
+ // plain directory
pDir, err := rfs.decryptPath(cDir)
if err != nil {
return nil, fuse.ToStatus(err)
}
dirIV := derivePathIV(cDir, ivPurposeDirIV)
- e, err := rfs.findLongnameParent(pDir, dirIV, longname)
+ // plain name
+ pName, err := rfs.findLongnameParent(pDir, dirIV, longname)
if err != nil {
return nil, fuse.ToStatus(err)
}
- content := []byte(rfs.nameTransform.EncryptName(e, dirIV))
- parentFile := filepath.Join(rfs.args.Cipherdir, pDir, e)
+ content := []byte(rfs.nameTransform.EncryptName(pName, dirIV))
+ parentFile := filepath.Join(rfs.args.Cipherdir, pDir, pName)
return rfs.newVirtualFile(content, parentFile)
}
diff --git a/internal/fusefrontend_reverse/virtualfile.go b/internal/fusefrontend_reverse/virtualfile.go
index 04de634..d5c4491 100644
--- a/internal/fusefrontend_reverse/virtualfile.go
+++ b/internal/fusefrontend_reverse/virtualfile.go
@@ -28,6 +28,10 @@ type virtualFile struct {
ino uint64
}
+// newVirtualFile creates a new in-memory file that does not have a representation
+// on disk. "content" is the file content. Timestamps and file owner are copied
+// from "parentFile" (absolute plaintext path). For a "gocryptfs.diriv" file, you
+// would use the parent directory as "parentFile".
func (rfs *ReverseFS) newVirtualFile(content []byte, parentFile string) (nodefs.File, fuse.Status) {
return &virtualFile{
File: nodefs.NewDefaultFile(),