crypto/scoped_test_nss_db.cc

   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 #include "crypto/scoped_test_nss_db.h"
   6
   7 #include "base/logging.h"
   8 #include "base/threading/thread_restrictions.h"
   9 #include "crypto/nss_util.h"
  10 #include "crypto/nss_util_internal.h"
  11
  12 namespace crypto {
  13
  14 ScopedTestNSSDB::ScopedTestNSSDB() {
  15   EnsureNSSInit();
  16   // NSS is allowed to do IO on the current thread since dispatching
  17   // to a dedicated thread would still have the affect of blocking
  18   // the current thread, due to NSS's internal locking requirements
  19   base::ThreadRestrictions::ScopedAllowIO allow_io;
  20
  21   if (!temp_dir_.CreateUniqueTempDir())
  22     return;
  23
  24   const char kTestDescription[] = "Test DB";
  25   slot_ = OpenSoftwareNSSDB(temp_dir_.path(), kTestDescription);
  26 }
  27
  28 ScopedTestNSSDB::~ScopedTestNSSDB() {
  29   // Don't close when NSS is < 3.15.1, because it would require an additional
  30   // sleep for 1 second after closing the database, due to
  31   // http://bugzil.la/875601.
  32   if (!NSS_VersionCheck("3.15.1")) {
  33     LOG(ERROR) << "NSS version is < 3.15.1, test DB will not be closed.";
  34     temp_dir_.Take();
  35     return;
  36   }
  37
  38   // NSS is allowed to do IO on the current thread since dispatching
  39   // to a dedicated thread would still have the affect of blocking
  40   // the current thread, due to NSS's internal locking requirements
  41   base::ThreadRestrictions::ScopedAllowIO allow_io;
  42
  43   if (slot_) {
  44     SECStatus status = SECMOD_CloseUserDB(slot_.get());
  45     if (status != SECSuccess)
  46       PLOG(ERROR) << "SECMOD_CloseUserDB failed: " << PORT_GetError();
  47   }
  48
  49   if (!temp_dir_.Delete())
  50     LOG(ERROR) << "Could not delete temporary directory.";
  51 }
  52
  53 }  // namespace crypto