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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #include "crypto/openssl_util.h" | 5 #include "crypto/openssl_util.h" |
6 | 6 |
7 #include <openssl/err.h> | 7 #include <openssl/err.h> |
8 #include <openssl/ssl.h> | 8 #include <openssl/ssl.h> |
9 #include <openssl/cpu.h> | |
10 | 9 |
11 #include "base/logging.h" | 10 #include "base/logging.h" |
12 #include "base/memory/scoped_vector.h" | 11 #include "base/memory/scoped_vector.h" |
13 #include "base/memory/singleton.h" | 12 #include "base/memory/singleton.h" |
14 #include "base/strings/string_piece.h" | 13 #include "base/strings/string_piece.h" |
15 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
16 #include "build/build_config.h" | 15 #include "build/build_config.h" |
17 | 16 |
18 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL) | 17 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL) |
19 #include <cpu-features.h> | 18 #include <cpu-features.h> |
20 #endif | 19 #endif |
21 | 20 |
22 namespace crypto { | 21 namespace crypto { |
23 | 22 |
24 namespace { | 23 namespace { |
25 | 24 |
26 void CurrentThreadId(CRYPTO_THREADID* id) { | 25 unsigned long CurrentThreadId() { |
27 CRYPTO_THREADID_set_numeric( | 26 return static_cast<unsigned long>(base::PlatformThread::CurrentId()); |
28 id, static_cast<unsigned long>(base::PlatformThread::CurrentId())); | |
29 } | 27 } |
30 | 28 |
31 // Singleton for initializing and cleaning up the OpenSSL library. | 29 // Singleton for initializing and cleaning up the OpenSSL library. |
32 class OpenSSLInitSingleton { | 30 class OpenSSLInitSingleton { |
33 public: | 31 public: |
34 static OpenSSLInitSingleton* GetInstance() { | 32 static OpenSSLInitSingleton* GetInstance() { |
35 // We allow the SSL environment to leak for multiple reasons: | 33 // We allow the SSL environment to leak for multiple reasons: |
36 // - it is used from a non-joinable worker thread that is not stopped on | 34 // - it is used from a non-joinable worker thread that is not stopped on |
37 // shutdown, hence may still be using OpenSSL library after the AtExit | 35 // shutdown, hence may still be using OpenSSL library after the AtExit |
38 // runner has completed. | 36 // runner has completed. |
39 // - There are other OpenSSL related singletons (e.g. the client socket | 37 // - There are other OpenSSL related singletons (e.g. the client socket |
40 // context) who's cleanup depends on the global environment here, but | 38 // context) who's cleanup depends on the global environment here, but |
41 // we can't control the order the AtExit handlers will run in so | 39 // we can't control the order the AtExit handlers will run in so |
42 // allowing the global environment to leak at least ensures it is | 40 // allowing the global environment to leak at least ensures it is |
43 // available for those other singletons to reliably cleanup. | 41 // available for those other singletons to reliably cleanup. |
44 return Singleton<OpenSSLInitSingleton, | 42 return Singleton<OpenSSLInitSingleton, |
45 LeakySingletonTraits<OpenSSLInitSingleton> >::get(); | 43 LeakySingletonTraits<OpenSSLInitSingleton> >::get(); |
46 } | 44 } |
47 private: | 45 private: |
48 friend struct DefaultSingletonTraits<OpenSSLInitSingleton>; | 46 friend struct DefaultSingletonTraits<OpenSSLInitSingleton>; |
49 OpenSSLInitSingleton() { | 47 OpenSSLInitSingleton() { |
50 SSL_load_error_strings(); | 48 SSL_load_error_strings(); |
51 SSL_library_init(); | 49 SSL_library_init(); |
52 OpenSSL_add_all_algorithms(); | 50 OpenSSL_add_all_algorithms(); |
53 int num_locks = CRYPTO_num_locks(); | 51 int num_locks = CRYPTO_num_locks(); |
54 locks_.reserve(num_locks); | 52 locks_.reserve(num_locks); |
55 for (int i = 0; i < num_locks; ++i) | 53 for (int i = 0; i < num_locks; ++i) |
56 locks_.push_back(new base::Lock()); | 54 locks_.push_back(new base::Lock()); |
57 CRYPTO_set_locking_callback(LockingCallback); | 55 CRYPTO_set_locking_callback(LockingCallback); |
58 CRYPTO_THREADID_set_callback(CurrentThreadId); | 56 CRYPTO_set_id_callback(CurrentThreadId); |
59 | 57 |
60 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL) | 58 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL) |
61 const bool has_neon = | 59 const bool has_neon = |
62 (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0; | 60 (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0; |
63 if (has_neon) | 61 if (has_neon) |
64 CRYPTO_set_NEON_capable(1); | 62 CRYPTO_set_NEON_capable(1); |
65 #endif | 63 #endif |
66 } | 64 } |
67 | 65 |
68 ~OpenSSLInitSingleton() { | 66 ~OpenSSLInitSingleton() { |
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118 std::string message; | 116 std::string message; |
119 location.Write(true, true, &message); | 117 location.Write(true, true, &message); |
120 DVLOG(1) << "OpenSSL ERR_get_error stack from " << message; | 118 DVLOG(1) << "OpenSSL ERR_get_error stack from " << message; |
121 ERR_print_errors_cb(&OpenSSLErrorCallback, NULL); | 119 ERR_print_errors_cb(&OpenSSLErrorCallback, NULL); |
122 } else { | 120 } else { |
123 ERR_clear_error(); | 121 ERR_clear_error(); |
124 } | 122 } |
125 } | 123 } |
126 | 124 |
127 } // namespace crypto | 125 } // namespace crypto |
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