syscallcompat: Introduce unlinkat syscall with flags argument

2 files changed, 5 insertions, 5 deletions

diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index 08edd2b..002b4e1 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -388,7 +388,7 @@ func (fs *FS) Unlink(path string, context *fuse.Context) (code fuse.Status) {
 	}
 	defer dirfd.Close()
 	// Delete content
-	err = syscallcompat.Unlinkat(int(dirfd.Fd()), cName)
+	err = syscallcompat.Unlinkat(int(dirfd.Fd()), cName, 0)
 	if err != nil {
 		return fuse.ToStatus(err)
 	}
diff --git a/internal/fusefrontend/fs_dir.go b/internal/fusefrontend/fs_dir.go
index 91c899e..ae150b5 100644
--- a/internal/fusefrontend/fs_dir.go
+++ b/internal/fusefrontend/fs_dir.go
@@ -11,6 +11,8 @@ import (
 	"sync"
 	"syscall"
 
+	"golang.org/x/sys/unix"
+
 	"github.com/hanwen/go-fuse/fuse"
 
 	"github.com/rfjakob/gocryptfs/internal/configfile"
@@ -231,9 +233,7 @@ retry:
 		return fuse.ToStatus(err)
 	}
 	// Actual Rmdir
-	// TODO Use syscall.Unlinkat with the AT_REMOVEDIR flag once it is available
-	// in Go
-	err = syscall.Rmdir(cPath)
+	err = syscallcompat.Unlinkat(int(parentDirFd.Fd()), cName, unix.AT_REMOVEDIR)
 	if err != nil {
 		// This can happen if another file in the directory was created in the
 		// meantime, undo the rename
@@ -245,7 +245,7 @@ retry:
 		return fuse.ToStatus(err)
 	}
 	// Delete "gocryptfs.diriv.rmdir.XYZ"
-	err = syscallcompat.Unlinkat(int(parentDirFd.Fd()), tmpName)
+	err = syscallcompat.Unlinkat(int(parentDirFd.Fd()), tmpName, 0)
 	if err != nil {
 		tlog.Warn.Printf("Rmdir: Could not clean up %s: %v", tmpName, err)
 	}