From 9ec042f2f62bc95154d6c8b3215a2e7853f8f5c6 Mon Sep 17 00:00:00 2001
From: orcas
Date: Sun, 15 Sep 2019 00:32:54 +0800
Subject: Show undecryptable filenames if they match supplied glob

Resolves https://github.com/rfjakob/gocryptfs/issues/393
---
 mount.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'mount.go')

diff --git a/mount.go b/mount.go
index 5107bee..6d9dd8f 100644
--- a/mount.go
+++ b/mount.go
@@ -286,6 +286,17 @@ func initFuseFrontend(args *argContainer) (pfs pathfs.FileSystem, wipeKeys func(
 	cCore := cryptocore.New(masterkey, cryptoBackend, contentenc.DefaultIVBits, args.hkdf, args.forcedecode)
 	cEnc := contentenc.New(cCore, contentenc.DefaultBS, args.forcedecode)
 	nameTransform := nametransform.New(cCore.EMECipher, frontendArgs.LongNames, args.raw64)
+	// Init badname patterns
+	nameTransform.BadnamePatterns = make([]string, 0)
+	for _, pattern := range args.badname {
+		_, err := filepath.Match(pattern, "") // Make sure pattern is valid
+		if err != nil {
+			tlog.Fatal.Printf("-badname: invalid pattern %q supplied", pattern)
+			os.Exit(exitcodes.Usage)
+		} else {
+			nameTransform.BadnamePatterns = append(nameTransform.BadnamePatterns, pattern)
+		}
+	}
 	// After the crypto backend is initialized,
 	// we can purge the master key from memory.
 	for i := range masterkey {
-- 
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