From a7d59032d3790e117a48be6be1fb3a968266093b Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Mon, 14 Jan 2019 21:54:16 +0100
Subject: syscallcompat: rework Fchmodat to FchmodatNofollow

We never want Fchmodat to follow symlinks, so follow what
Qemu does, and call our function FchmodatNofollow.
---
 internal/fusefrontend/fs_dir.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'internal/fusefrontend/fs_dir.go')

diff --git a/internal/fusefrontend/fs_dir.go b/internal/fusefrontend/fs_dir.go
index a017050..d26fd79 100644
--- a/internal/fusefrontend/fs_dir.go
+++ b/internal/fusefrontend/fs_dir.go
@@ -164,7 +164,7 @@ func (fs *FS) Rmdir(relPath string, context *fuse.Context) (code fuse.Status) {
 		}
 		// This cast is needed on Darwin, where st.Mode is uint16.
 		origMode := uint32(st.Mode)
-		err = syscallcompat.Fchmodat(parentDirFd, cName, origMode|0700, unix.AT_SYMLINK_NOFOLLOW)
+		err = syscallcompat.FchmodatNofollow(parentDirFd, cName, origMode|0700)
 		if err != nil {
 			tlog.Debug.Printf("Rmdir: Fchmodat failed: %v", err)
 			return fuse.ToStatus(err)
@@ -175,7 +175,7 @@ func (fs *FS) Rmdir(relPath string, context *fuse.Context) (code fuse.Status) {
 		// Undo the chmod if removing the directory failed
 		defer func() {
 			if code != fuse.OK {
-				err = syscallcompat.Fchmodat(parentDirFd, cName, origMode, unix.AT_SYMLINK_NOFOLLOW)
+				err = syscallcompat.FchmodatNofollow(parentDirFd, cName, origMode)
 				if err != nil {
 					tlog.Warn.Printf("Rmdir: Chmod rollback failed: %v", err)
 				}
-- 
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