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path: root/internal/fusefrontend_reverse/rfs.go
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Diffstat (limited to 'internal/fusefrontend_reverse/rfs.go')
-rw-r--r--internal/fusefrontend_reverse/rfs.go15
1 files changed, 11 insertions, 4 deletions
diff --git a/internal/fusefrontend_reverse/rfs.go b/internal/fusefrontend_reverse/rfs.go
index 7305687..9ebf91c 100644
--- a/internal/fusefrontend_reverse/rfs.go
+++ b/internal/fusefrontend_reverse/rfs.go
@@ -248,9 +248,15 @@ func (rfs *reverseFS) OpenDir(cipherPath string, context *fuse.Context) ([]fuse.
if entries == nil {
return nil, status
}
+ // Allocate maximum possible number of virtual files.
+ // If all files have long names we need a virtual ".name" file for each,
+ // plus one for gocryptfs.diriv.
+ virtualFiles := make([]fuse.DirEntry, len(entries)+1)
// Virtual gocryptfs.diriv file
- dirIVEntry := fuse.DirEntry{syscall.S_IFREG | 0400, nametransform.DirIVFilename}
- virtualFiles := []fuse.DirEntry{dirIVEntry}
+ virtualFiles[0] = fuse.DirEntry{syscall.S_IFREG | 0400, nametransform.DirIVFilename}
+ // Actually used entries
+ nVirtual := 1
+
// Encrypt names
dirIV := deriveDirIV(cipherPath)
for i := range entries {
@@ -263,12 +269,13 @@ func (rfs *reverseFS) OpenDir(cipherPath string, context *fuse.Context) ([]fuse.
if len(cName) > syscall.NAME_MAX {
cName = nametransform.HashLongName(cName)
dotNameFile := fuse.DirEntry{syscall.S_IFREG | 0600, cName + nametransform.LongNameSuffix}
- virtualFiles = append(virtualFiles, dotNameFile)
+ virtualFiles[nVirtual] = dotNameFile
+ nVirtual++
}
}
entries[i].Name = cName
}
- entries = append(entries, virtualFiles...)
+ entries = append(entries, virtualFiles[:nVirtual]...)
return entries, fuse.OK
}