| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CRYPTO_CSSM_INIT_H_ |
| #define CRYPTO_CSSM_INIT_H_ |
| |
| #include <Security/cssm.h> |
| |
| #include "base/macros.h" |
| #include "crypto/crypto_export.h" |
| |
| namespace crypto { |
| |
| // CSSM functions are deprecated as of OSX 10.7, but have no replacement. |
| // https://bugs.chromium.org/p/chromium/issues/detail?id=590914#c1 |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wdeprecated-declarations" |
| |
| // Initialize CSSM if it isn't already initialized. This must be called before |
| // any other CSSM functions. This function is thread-safe, and CSSM will only |
| // ever be initialized once. CSSM will be properly shut down on program exit. |
| CRYPTO_EXPORT void EnsureCSSMInit(); |
| |
| // Returns the shared CSP handle used by CSSM functions. |
| CRYPTO_EXPORT CSSM_CSP_HANDLE GetSharedCSPHandle(); |
| |
| // Returns the shared CL handle used by CSSM functions. |
| CRYPTO_EXPORT CSSM_CL_HANDLE GetSharedCLHandle(); |
| |
| // Returns the shared TP handle used by CSSM functions. |
| CRYPTO_EXPORT CSSM_TP_HANDLE GetSharedTPHandle(); |
| |
| // Set of pointers to memory function wrappers that are required for CSSM |
| extern const CSSM_API_MEMORY_FUNCS kCssmMemoryFunctions; |
| |
| // Utility function to log an error message including the error name. |
| CRYPTO_EXPORT void LogCSSMError(const char *function_name, CSSM_RETURN err); |
| |
| // Utility functions to allocate and release CSSM memory. |
| void* CSSMMalloc(CSSM_SIZE size); |
| CRYPTO_EXPORT void CSSMFree(void* ptr); |
| |
| // Wrapper class for CSSM_DATA type. This should only be used when using the |
| // CL/TP/CSP handles from above, since that's the only time we're guaranteed (or |
| // supposed to be guaranteed) that our memory management functions will be used. |
| // Apple's Sec* APIs manage their own memory so it shouldn't be used for those. |
| // The constructor initializes data_ to zero and the destructor releases the |
| // data properly. |
| class ScopedCSSMData { |
| public: |
| ScopedCSSMData(); |
| ~ScopedCSSMData(); |
| operator CSSM_DATA*() { return &data_; } |
| CSSM_DATA* operator ->() { return &data_; } |
| |
| private: |
| CSSM_DATA data_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedCSSMData); |
| }; |
| |
| #pragma clang diagnostic pop // "-Wdeprecated-declarations" |
| |
| } // namespace crypto |
| |
| #endif // CRYPTO_CSSM_INIT_H_ |