Centralize path filter decision in CryptFS.IsFiltered()

1 files changed, 14 insertions, 0 deletions

diff --git a/cryptfs/filter.go b/cryptfs/filter.go
new file mode 100644
index 0000000..079b64f
--- /dev/null
+++ b/cryptfs/filter.go
@@ -0,0 +1,14 @@
+package cryptfs
+
+// IsFiltered - check if "path" should be forbidden
+//
+// Used to prevent name clashes with gocryptfs.conf
+// when file names are not encrypted
+func (be *CryptFS) IsFiltered(path string) bool {
+	// gocryptfs.conf in the root directory is forbidden
+	if be.plaintextNames == true && path == "gocryptfs.conf" {
+		Warn.Printf("The name \"/gocryptfs.conf\" is reserved when \"--plaintextnames\" is used\n")
+		return true
+	}
+	return false
+}