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-rw-r--r--internal/fusefrontend/fs.go19
1 files changed, 19 insertions, 0 deletions
diff --git a/internal/fusefrontend/fs.go b/internal/fusefrontend/fs.go
index 5c52a19..5adade6 100644
--- a/internal/fusefrontend/fs.go
+++ b/internal/fusefrontend/fs.go
@@ -16,6 +16,7 @@ import (
"github.com/hanwen/go-fuse/fuse/nodefs"
"github.com/hanwen/go-fuse/fuse/pathfs"
+ "github.com/rfjakob/gocryptfs/internal/configfile"
"github.com/rfjakob/gocryptfs/internal/contentenc"
"github.com/rfjakob/gocryptfs/internal/nametransform"
"github.com/rfjakob/gocryptfs/internal/serialize_reads"
@@ -661,3 +662,21 @@ func (fs *FS) reportMitigatedCorruption(item string) {
return
}
}
+
+// isFiltered - check if plaintext "path" should be forbidden
+//
+// Prevents name clashes with internal files when file names are not encrypted
+func (fs *FS) isFiltered(path string) bool {
+ if !fs.args.PlaintextNames {
+ return false
+ }
+ // gocryptfs.conf in the root directory is forbidden
+ if path == configfile.ConfDefaultName {
+ tlog.Info.Printf("The name /%s is reserved when -plaintextnames is used\n",
+ configfile.ConfDefaultName)
+ return true
+ }
+ // Note: gocryptfs.diriv is NOT forbidden because diriv and plaintextnames
+ // are exclusive
+ return false
+}