libgocryptfs/internal/fusefrontend/xattr_unit_test.go
Jakob Unterwurzacher 04858ddd22 nametransform: check name validity on encryption
xfstests generic/523 discovered that we allowed to set
xattrs with "/" in the name, but did not allow to read
them later.

With this change we do not allow to set them in the first
place.
2021-06-02 14:29:48 +02:00

46 lines
1.2 KiB
Go

package fusefrontend
// This file is named "xattr_unit_test.go" because there is also a
// "xattr_integration_test.go" in the test/xattr package.
import (
"testing"
"time"
"github.com/hanwen/go-fuse/v2/fs"
"github.com/rfjakob/gocryptfs/internal/contentenc"
"github.com/rfjakob/gocryptfs/internal/cryptocore"
"github.com/rfjakob/gocryptfs/internal/nametransform"
)
func newTestFS(args Args) *RootNode {
// Init crypto backend
key := make([]byte, cryptocore.KeyLen)
cCore := cryptocore.New(key, cryptocore.BackendGoGCM, contentenc.DefaultIVBits, true, false)
cEnc := contentenc.New(cCore, contentenc.DefaultBS, false)
n := nametransform.New(cCore.EMECipher, true, true)
rn := NewRootNode(args, cEnc, n)
oneSec := time.Second
options := &fs.Options{
EntryTimeout: &oneSec,
AttrTimeout: &oneSec,
}
fs.NewNodeFS(rn, options)
return rn
}
func TestEncryptDecryptXattrName(t *testing.T) {
fs := newTestFS(Args{})
attr1 := "user.foo123456789"
cAttr, err := fs.encryptXattrName(attr1)
if err != nil {
t.Fatal(err)
}
t.Logf("cAttr=%v", cAttr)
attr2, err := fs.decryptXattrName(cAttr)
if attr1 != attr2 || err != nil {
t.Fatalf("Decrypt mismatch: %v != %v", attr1, attr2)
}
}