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-rw-r--r--internal/nametransform/names.go9
1 files changed, 8 insertions, 1 deletions
diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index e9f9346..675ed34 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -61,7 +61,14 @@ func (n *NameTransform) DecryptName(cipherName string, iv []byte) (string, error
for _, pattern := range n.BadnamePatterns {
match, err := filepath.Match(pattern, cipherName)
if err == nil && match { // Pattern should have been validated already
- return "GOCRYPTFS_BAD_NAME " + cipherName, nil
+ //find longest decryptable substring
+ for charpos := len(cipherName) - 1; charpos > 0; charpos-- {
+ res, err = n.decryptName(cipherName[:charpos], iv)
+ if err == nil {
+ return res + cipherName[charpos:] + " GOCRYPTFS_BAD_NAME", nil
+ }
+ }
+ return cipherName + " GOCRYPTFS_BAD_NAME", nil
}
}
}