From 5da292828c3a58254560bb47d700186ff8c3ca9c Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Wed, 8 Jun 2016 00:17:18 +0200
Subject: fusefrontend: fix chown on dangling symlinks

We (actually, go-fuse) used to call Chown() instead of Lchown()
which meant that the operation would fail on dangling symlinks.

Fix this by calling os.Lchown() ourself. Also add a test case
for this.
---
 internal/fusefrontend/fs.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'internal')

diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index 988a41a..c216c86 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -165,11 +165,11 @@ func (fs *FS) Chown(path string, uid uint32, gid uint32, context *fuse.Context)
 	if fs.isFiltered(path) {
 		return fuse.EPERM
 	}
-	cPath, err := fs.encryptPath(path)
+	cPath, err := fs.getBackingPath(path)
 	if err != nil {
 		return fuse.ToStatus(err)
 	}
-	return fs.FileSystem.Chown(cPath, uid, gid, context)
+	return fuse.ToStatus(os.Lchown(cPath, int(uid), int(gid)))
 }
 
 func (fs *FS) Mknod(path string, mode uint32, dev uint32, context *fuse.Context) (code fuse.Status) {
-- 
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