OLD | NEW |
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 <string> | 8 #include <string> |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "crypto/crypto_export.h" | 10 #include "crypto/crypto_export.h" |
(...skipping 110 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
121 // Convert a NSS PRTime value into a base::Time object. | 121 // Convert a NSS PRTime value into a base::Time object. |
122 // We use a int64 instead of PRTime here to avoid depending on NSPR headers. | 122 // We use a int64 instead of PRTime here to avoid depending on NSPR headers. |
123 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64 prtime); | 123 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64 prtime); |
124 | 124 |
125 // Convert a base::Time object into a PRTime value. | 125 // Convert a base::Time object into a PRTime value. |
126 // We use a int64 instead of PRTime here to avoid depending on NSPR headers. | 126 // We use a int64 instead of PRTime here to avoid depending on NSPR headers. |
127 CRYPTO_EXPORT int64 BaseTimeToPRTime(base::Time time); | 127 CRYPTO_EXPORT int64 BaseTimeToPRTime(base::Time time); |
128 | 128 |
129 #if defined(USE_NSS) | 129 #if defined(USE_NSS) |
130 // Exposed for unittests only. | 130 // Exposed for unittests only. |
131 // TODO(mattm): When NSS 3.14 is the minimum version required, | 131 // TODO(mattm): when https://bugzilla.mozilla.org/show_bug.cgi?id=588269 is |
132 // switch back to using a separate user DB for each test. | 132 // fixed, switch back to using a separate userdb for each test. (Maybe refactor |
133 // Because of https://bugzilla.mozilla.org/show_bug.cgi?id=588269 , the | 133 // to provide a ScopedTestNSSDB instead of open/close methods.) |
134 // opened user DB is not automatically closed. | 134 CRYPTO_EXPORT bool OpenTestNSSDB(); |
135 class CRYPTO_EXPORT_PRIVATE ScopedTestNSSDB { | 135 // NOTE: due to NSS bug 588269, mentioned above, there is no CloseTestNSSDB. |
136 public: | |
137 ScopedTestNSSDB(); | |
138 ~ScopedTestNSSDB(); | |
139 | |
140 bool is_open() { return is_open_; } | |
141 | |
142 private: | |
143 bool is_open_; | |
144 DISALLOW_COPY_AND_ASSIGN(ScopedTestNSSDB); | |
145 }; | |
146 | 136 |
147 // NSS has a bug which can cause a deadlock or stall in some cases when writing | 137 // NSS has a bug which can cause a deadlock or stall in some cases when writing |
148 // to the certDB and keyDB. It also has a bug which causes concurrent key pair | 138 // to the certDB and keyDB. It also has a bug which causes concurrent key pair |
149 // generations to scribble over each other. To work around this, we synchronize | 139 // generations to scribble over each other. To work around this, we synchronize |
150 // writes to the NSS databases with a global lock. The lock is hidden beneath a | 140 // writes to the NSS databases with a global lock. The lock is hidden beneath a |
151 // function for easy disabling when the bug is fixed. Callers should allow for | 141 // function for easy disabling when the bug is fixed. Callers should allow for |
152 // it to return NULL in the future. | 142 // it to return NULL in the future. |
153 // | 143 // |
154 // See https://bugzilla.mozilla.org/show_bug.cgi?id=564011 | 144 // See https://bugzilla.mozilla.org/show_bug.cgi?id=564011 |
155 base::Lock* GetNSSWriteLock(); | 145 base::Lock* GetNSSWriteLock(); |
156 | 146 |
157 // A helper class that acquires the NSS write Lock while the AutoNSSWriteLock | 147 // A helper class that acquires the NSS write Lock while the AutoNSSWriteLock |
158 // is in scope. | 148 // is in scope. |
159 class CRYPTO_EXPORT AutoNSSWriteLock { | 149 class CRYPTO_EXPORT AutoNSSWriteLock { |
160 public: | 150 public: |
161 AutoNSSWriteLock(); | 151 AutoNSSWriteLock(); |
162 ~AutoNSSWriteLock(); | 152 ~AutoNSSWriteLock(); |
163 private: | 153 private: |
164 base::Lock *lock_; | 154 base::Lock *lock_; |
165 DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock); | 155 DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock); |
166 }; | 156 }; |
167 | 157 |
168 #endif // defined(USE_NSS) | 158 #endif // defined(USE_NSS) |
169 | 159 |
170 } // namespace crypto | 160 } // namespace crypto |
171 | 161 |
172 #endif // CRYPTO_NSS_UTIL_H_ | 162 #endif // CRYPTO_NSS_UTIL_H_ |
OLD | NEW |