xattr: added passing of a "flags" parameter

Pass the "flags" parameter to the lower layer syscall.
This makes Apple applications being able to successfully save data.

1 files changed, 3 insertions, 5 deletions

diff --git a/internal/fusefrontend/xattr.go b/internal/fusefrontend/xattr.go
index 36ab4d5..9833368 100644
--- a/internal/fusefrontend/xattr.go
+++ b/internal/fusefrontend/xattr.go
@@ -54,14 +54,12 @@ func (fs *FS) SetXAttr(path string, attr string, data []byte, flags int, context
 	if fs.isFiltered(path) {
 		return fuse.EPERM
 	}
-	if flags != 0 {
-		// Drop this once https://github.com/pkg/xattr/pull/26 is merged
-		return fuse.ENOSYS
-	}
 	if disallowedXAttrName(attr) {
 		return fuse.EPERM
 	}
 
+	flags = filterXattrSetFlags(flags)
+
 	cPath, err := fs.getBackingPath(path)
 	if err != nil {
 		return fuse.ToStatus(err)
@@ -69,7 +67,7 @@ func (fs *FS) SetXAttr(path string, attr string, data []byte, flags int, context
 	cAttr := fs.encryptXattrName(attr)
 	// xattr data is encrypted like a symlink target
 	cData64 := []byte(fs.encryptSymlinkTarget(string(data)))
-	return unpackXattrErr(xattr.Set(cPath, cAttr, cData64))
+	return unpackXattrErr(xattr.SetWithFlags(cPath, cAttr, cData64, flags))
 }
 
 // RemoveXAttr implements pathfs.Filesystem.