1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_
6 #define CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_
7 
8 #include <memory>
9 
10 #include "base/macros.h"
11 #include "crypto/crypto_export.h"
12 
13 // Forward declaration, from <pk11pub.h>
14 typedef struct PK11SlotInfoStr PK11SlotInfo;
15 
16 namespace crypto {
17 
18 class ScopedTestNSSDB;
19 
20 // Opens a persistent NSS software database in a temporary directory and sets
21 // the test system slot to the opened database. This helper should be created in
22 // tests to fake the system token that is usually provided by the Chaps module.
23 // |slot| is exposed through |GetSystemNSSKeySlot| and |IsTPMTokenReady| will
24 // return true.
25 // |InitializeTPMTokenAndSystemSlot|, which triggers the TPM initialization,
26 // does not have to be called if this helper is used.
27 // At most one instance of this helper must be used at a time.
28 class CRYPTO_EXPORT ScopedTestSystemNSSKeySlot {
29  public:
30   ScopedTestSystemNSSKeySlot();
31   ~ScopedTestSystemNSSKeySlot();
32 
33   bool ConstructedSuccessfully() const;
34   PK11SlotInfo* slot() const;
35 
36  private:
37   std::unique_ptr<ScopedTestNSSDB> test_db_;
38 
39   DISALLOW_COPY_AND_ASSIGN(ScopedTestSystemNSSKeySlot);
40 };
41 
42 }  // namespace crypto
43 
44 #endif  // CRYPTO_SCOPED_TEST_SYSTEM_NSS_KEY_SLOT_H_
45