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Side by Side Diff: crypto/nss_util.h

Issue 2046863002: Remove traces of USE_NSS_CERTS from crypto/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 6 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CRYPTO_NSS_UTIL_H_ 5 #ifndef CRYPTO_NSS_UTIL_H_
6 #define CRYPTO_NSS_UTIL_H_ 6 #define CRYPTO_NSS_UTIL_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <string> 10 #include <string>
11 #include "base/callback.h" 11 #include "base/callback.h"
12 #include "base/compiler_specific.h" 12 #include "base/compiler_specific.h"
13 #include "base/macros.h" 13 #include "base/macros.h"
14 #include "crypto/crypto_export.h" 14 #include "crypto/crypto_export.h"
15 15
16 namespace base { 16 namespace base {
17 class FilePath; 17 class FilePath;
18 class Lock; 18 class Lock;
19 class Time; 19 class Time;
20 } // namespace base 20 } // namespace base
21 21
22 // This file specifically doesn't depend on any NSS or NSPR headers because it 22 // This file specifically doesn't depend on any NSS or NSPR headers because it
23 // is included by various (non-crypto) parts of chrome to call the 23 // is included by various (non-crypto) parts of chrome to call the
24 // initialization functions. 24 // initialization functions.
25 namespace crypto { 25 namespace crypto {
26 26
27 #if defined(USE_NSS_CERTS)
28 // EarlySetupForNSSInit performs lightweight setup which must occur before the 27 // EarlySetupForNSSInit performs lightweight setup which must occur before the
29 // process goes multithreaded. This does not initialise NSS. For test, see 28 // process goes multithreaded. This does not initialise NSS. For test, see
30 // EnsureNSSInit. 29 // EnsureNSSInit.
31 CRYPTO_EXPORT void EarlySetupForNSSInit(); 30 CRYPTO_EXPORT void EarlySetupForNSSInit();
32 #endif
33 31
34 // Initialize NRPR if it isn't already initialized. This function is 32 // Initialize NRPR if it isn't already initialized. This function is
35 // thread-safe, and NSPR will only ever be initialized once. 33 // thread-safe, and NSPR will only ever be initialized once.
36 CRYPTO_EXPORT void EnsureNSPRInit(); 34 CRYPTO_EXPORT void EnsureNSPRInit();
37 35
38 // Initialize NSS if it isn't already initialized. This must be called before 36 // Initialize NSS if it isn't already initialized. This must be called before
39 // any other NSS functions. This function is thread-safe, and NSS will only 37 // any other NSS functions. This function is thread-safe, and NSS will only
40 // ever be initialized once. 38 // ever be initialized once.
41 CRYPTO_EXPORT void EnsureNSSInit(); 39 CRYPTO_EXPORT void EnsureNSSInit();
42 40
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
74 #endif 72 #endif
75 73
76 // Convert a NSS PRTime value into a base::Time object. 74 // Convert a NSS PRTime value into a base::Time object.
77 // We use a int64_t instead of PRTime here to avoid depending on NSPR headers. 75 // We use a int64_t instead of PRTime here to avoid depending on NSPR headers.
78 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64_t prtime); 76 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64_t prtime);
79 77
80 // Convert a base::Time object into a PRTime value. 78 // Convert a base::Time object into a PRTime value.
81 // We use a int64_t instead of PRTime here to avoid depending on NSPR headers. 79 // We use a int64_t instead of PRTime here to avoid depending on NSPR headers.
82 CRYPTO_EXPORT int64_t BaseTimeToPRTime(base::Time time); 80 CRYPTO_EXPORT int64_t BaseTimeToPRTime(base::Time time);
83 81
84 #if defined(USE_NSS_CERTS)
85 // NSS has a bug which can cause a deadlock or stall in some cases when writing 82 // NSS has a bug which can cause a deadlock or stall in some cases when writing
86 // to the certDB and keyDB. It also has a bug which causes concurrent key pair 83 // to the certDB and keyDB. It also has a bug which causes concurrent key pair
87 // generations to scribble over each other. To work around this, we synchronize 84 // generations to scribble over each other. To work around this, we synchronize
88 // writes to the NSS databases with a global lock. The lock is hidden beneath a 85 // writes to the NSS databases with a global lock. The lock is hidden beneath a
89 // function for easy disabling when the bug is fixed. Callers should allow for 86 // function for easy disabling when the bug is fixed. Callers should allow for
90 // it to return NULL in the future. 87 // it to return NULL in the future.
91 // 88 //
92 // See https://bugzilla.mozilla.org/show_bug.cgi?id=564011 89 // See https://bugzilla.mozilla.org/show_bug.cgi?id=564011
93 base::Lock* GetNSSWriteLock(); 90 base::Lock* GetNSSWriteLock();
94 91
95 // A helper class that acquires the NSS write Lock while the AutoNSSWriteLock 92 // A helper class that acquires the NSS write Lock while the AutoNSSWriteLock
96 // is in scope. 93 // is in scope.
97 class CRYPTO_EXPORT AutoNSSWriteLock { 94 class CRYPTO_EXPORT AutoNSSWriteLock {
98 public: 95 public:
99 AutoNSSWriteLock(); 96 AutoNSSWriteLock();
100 ~AutoNSSWriteLock(); 97 ~AutoNSSWriteLock();
101 private: 98 private:
102 base::Lock *lock_; 99 base::Lock *lock_;
103 DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock); 100 DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock);
104 }; 101 };
105 #endif // defined(USE_NSS_CERTS)
106 102
107 } // namespace crypto 103 } // namespace crypto
108 104
109 #endif // CRYPTO_NSS_UTIL_H_ 105 #endif // CRYPTO_NSS_UTIL_H_
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