From ec2fdc19cf9358ae7ba09c528a5807b6b0760f9b Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sat, 11 Aug 2018 23:26:49 +0200
Subject: reverse mode: add --exclude option

https://github.com/rfjakob/gocryptfs/issues/235
---
 internal/fusefrontend_reverse/rfile.go | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'internal/fusefrontend_reverse/rfile.go')

diff --git a/internal/fusefrontend_reverse/rfile.go b/internal/fusefrontend_reverse/rfile.go
index 26756a3..7df0906 100644
--- a/internal/fusefrontend_reverse/rfile.go
+++ b/internal/fusefrontend_reverse/rfile.go
@@ -36,6 +36,12 @@ var inodeTable syncmap.Map
 // newFile decrypts and opens the path "relPath" and returns a reverseFile
 // object. The backing file descriptor is always read-only.
 func (rfs *ReverseFS) newFile(relPath string) (*reverseFile, fuse.Status) {
+	if rfs.isExcluded(relPath) {
+		// Excluded paths should have been filtered out beforehand. Better safe
+		// than sorry.
+		tlog.Warn.Printf("BUG: newFile: received excluded path %q. This should not happen.", relPath)
+		return nil, fuse.ENOENT
+	}
 	pRelPath, err := rfs.decryptPath(relPath)
 	if err != nil {
 		return nil, fuse.ToStatus(err)
-- 
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