hardcoresushi/libgocryptfs
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fusefrontend: Set owner after symlink creation in PlaintextNames mode

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This is already done in regular mode, but was missing when PlaintextNames mode
is enabled. As a result, symlinks created by non-root users were still owned
by root afterwards.

Fixes https://github.com/rfjakob/gocryptfs/issues/176
This commit is contained in:
Sebastian Lackner 2017-11-28 00:38:17 +01:00 committed by rfjakob
parent 3f68b0c09a
commit 295c4c2b85
1 changed files with 6 additions and 7 deletions
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11
internal/fusefrontend/fs.go
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@ -427,16 +427,15 @@ func (fs *FS) Symlink(target string, linkName string, context *fuse.Context) (co
if err != nil {
return fuse.ToStatus(err)
}
if fs.args.PlaintextNames {
err = os.Symlink(target, cPath)
return fuse.ToStatus(err)
}
var cTarget string = target
if !fs.args.PlaintextNames {
// Symlinks are encrypted like file contents (GCM) and base64-encoded
cBinTarget := fs.contentEnc.EncryptBlock([]byte(target), 0, nil)
cTarget := fs.nameTransform.B64.EncodeToString(cBinTarget)
cTarget = fs.nameTransform.B64.EncodeToString(cBinTarget)
}
// Handle long file name
cName := filepath.Base(cPath)
if nametransform.IsLongContent(cName) {
if !fs.args.PlaintextNames && nametransform.IsLongContent(cName) {
var dirfd *os.File
dirfd, err = os.Open(filepath.Dir(cPath))
if err != nil {