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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 BASE_CRYPTO_CSSM_INIT_H_ | 5 #ifndef BASE_CRYPTO_CSSM_INIT_H_ |
6 #define BASE_CRYPTO_CSSM_INIT_H_ | 6 #define BASE_CRYPTO_CSSM_INIT_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <Security/cssm.h> | 9 #include <Security/cssm.h> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 | 14 |
15 class Lock; | |
16 | |
17 // Initialize CSSM if it isn't already initialized. This must be called before | 15 // Initialize CSSM if it isn't already initialized. This must be called before |
18 // any other CSSM functions. This function is thread-safe, and CSSM will only | 16 // any other CSSM functions. This function is thread-safe, and CSSM will only |
19 // ever be initialized once. CSSM will be properly shut down on program exit. | 17 // ever be initialized once. CSSM will be properly shut down on program exit. |
20 void EnsureCSSMInit(); | 18 void EnsureCSSMInit(); |
21 | 19 |
22 // Returns the shared CSP handle used by CSSM functions. | 20 // Returns the shared CSP handle used by CSSM functions. |
23 CSSM_CSP_HANDLE GetSharedCSPHandle(); | 21 CSSM_CSP_HANDLE GetSharedCSPHandle(); |
24 | 22 |
25 // Returns the shared CL handle used by CSSM functions. | 23 // Returns the shared CL handle used by CSSM functions. |
26 CSSM_CL_HANDLE GetSharedCLHandle(); | 24 CSSM_CL_HANDLE GetSharedCLHandle(); |
27 | 25 |
28 // Returns the shared TP handle used by CSSM functions. | 26 // Returns the shared TP handle used by CSSM functions. |
29 CSSM_TP_HANDLE GetSharedTPHandle(); | 27 CSSM_TP_HANDLE GetSharedTPHandle(); |
30 | 28 |
31 // Set of pointers to memory function wrappers that are required for CSSM | 29 // Set of pointers to memory function wrappers that are required for CSSM |
32 extern const CSSM_API_MEMORY_FUNCS kCssmMemoryFunctions; | 30 extern const CSSM_API_MEMORY_FUNCS kCssmMemoryFunctions; |
33 | 31 |
34 // Utility function to log an error message including the error name. | 32 // Utility function to log an error message including the error name. |
35 void LogCSSMError(const char *function_name, CSSM_RETURN err); | 33 void LogCSSMError(const char *function_name, CSSM_RETURN err); |
36 | 34 |
37 // Utility functions to allocate and release CSSM memory. | 35 // Utility functions to allocate and release CSSM memory. |
38 void* CSSMMalloc(CSSM_SIZE size); | 36 void* CSSMMalloc(CSSM_SIZE size); |
39 void CSSMFree(void* ptr); | 37 void CSSMFree(void* ptr); |
40 | 38 |
41 // The OS X certificate and key management wrappers over CSSM are not | |
42 // thread-safe. In particular, code that accesses the CSSM database is | |
43 // problematic. | |
44 // | |
45 // http://developer.apple.com/mac/library/documentation/Security/Reference/certi
fkeytrustservices/Reference/reference.html | |
46 Lock& GetMacSecurityServicesLock(); | |
47 | |
48 // Wrapper class for CSSM_DATA type. This should only be used when using the | 39 // Wrapper class for CSSM_DATA type. This should only be used when using the |
49 // CL/TP/CSP handles from above, since that's the only time we're guaranteed (or | 40 // CL/TP/CSP handles from above, since that's the only time we're guaranteed (or |
50 // supposed to be guaranteed) that our memory management functions will be used. | 41 // supposed to be guaranteed) that our memory management functions will be used. |
51 // Apple's Sec* APIs manage their own memory so it shouldn't be used for those. | 42 // Apple's Sec* APIs manage their own memory so it shouldn't be used for those. |
52 // The constructor initializes data_ to zero and the destructor releases the | 43 // The constructor initializes data_ to zero and the destructor releases the |
53 // data properly. | 44 // data properly. |
54 class ScopedCSSMData { | 45 class ScopedCSSMData { |
55 public: | 46 public: |
56 ScopedCSSMData(); | 47 ScopedCSSMData(); |
57 ~ScopedCSSMData(); | 48 ~ScopedCSSMData(); |
58 operator CSSM_DATA*() { return &data_; } | 49 operator CSSM_DATA*() { return &data_; } |
59 CSSM_DATA* operator ->() { return &data_; } | 50 CSSM_DATA* operator ->() { return &data_; } |
60 | 51 |
61 private: | 52 private: |
62 CSSM_DATA data_; | 53 CSSM_DATA data_; |
63 | 54 |
64 DISALLOW_COPY_AND_ASSIGN(ScopedCSSMData); | 55 DISALLOW_COPY_AND_ASSIGN(ScopedCSSMData); |
65 }; | 56 }; |
66 | 57 |
67 } // namespace base | 58 } // namespace base |
68 | 59 |
69 #endif // BASE_CRYPTO_CSSM_INIT_H_ | 60 #endif // BASE_CRYPTO_CSSM_INIT_H_ |
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