Separate GetMacSecurityServicesLock from cssm_init.h so that we can use...

base/crypto/mac_security_services_lock.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
-#include "base/crypto/cssm_init.h"
+#include "base/crypto/mac_security_services_lock.h"
 
-#include <Security/SecBase.h>
-
-#include "base/logging.h"
-#include "base/mac/scoped_cftyperef.h"
 #include "base/singleton.h"
 #include "base/synchronization/lock.h"
-#include "base/sys_string_conversions.h"
-
-// When writing crypto code for Mac OS X, you may find the following
-// documentation useful:
-// - Common Security: CDSA and CSSM, Version 2 (with corrigenda)
-//   http://www.opengroup.org/security/cdsa.htm
-// - Apple Cryptographic Service Provider Functional Specification
-// - CryptoSample: http://developer.apple.com/SampleCode/CryptoSample/
 
 namespace {
 
-void* CSSMMalloc(CSSM_SIZE size, void* alloc_ref) {
-  return malloc(size);
-}
-
-void CSSMFree(void* mem_ptr, void* alloc_ref) {
-  free(mem_ptr);
-}
-
-void* CSSMRealloc(void* ptr, CSSM_SIZE size, void* alloc_ref) {
-  return realloc(ptr, size);
-}
-
-void* CSSMCalloc(uint32 num, CSSM_SIZE size, void* alloc_ref) {
-  return calloc(num, size);
-}
-
-class CSSMInitSingleton {
- public:
-  static CSSMInitSingleton* GetInstance() {
-    return Singleton<CSSMInitSingleton,
-                     LeakySingletonTraits<CSSMInitSingleton> >::get();
-  }
-
-  CSSM_CSP_HANDLE csp_handle() const { return csp_handle_; }
-  CSSM_CL_HANDLE cl_handle() const { return cl_handle_; }
-  CSSM_TP_HANDLE tp_handle() const { return tp_handle_; }
-
- private:
-  CSSMInitSingleton()
-      : inited_(false), csp_loaded_(false), cl_loaded_(false),
-        tp_loaded_(false), csp_handle_(NULL), cl_handle_(NULL),
-        tp_handle_(NULL) {
-    static CSSM_VERSION version = {2, 0};
-    // TODO(wtc): what should our caller GUID be?
-    static const CSSM_GUID test_guid = {
-      0xFADE, 0, 0, { 1, 2, 3, 4, 5, 6, 7, 0 }
-    };
-    CSSM_RETURN crtn;
-    CSSM_PVC_MODE pvc_policy = CSSM_PVC_NONE;
-    crtn = CSSM_Init(&version, CSSM_PRIVILEGE_SCOPE_NONE, &test_guid,
-                     CSSM_KEY_HIERARCHY_NONE, &pvc_policy, NULL);
-    if (crtn) {
-      NOTREACHED();
-      return;
-    }
-    inited_ = true;
-
-    crtn = CSSM_ModuleLoad(&gGuidAppleCSP, CSSM_KEY_HIERARCHY_NONE, NULL, NULL);
-    if (crtn) {
-      NOTREACHED();
-      return;
-    }
-    csp_loaded_ = true;
-    crtn = CSSM_ModuleLoad(
-        &gGuidAppleX509CL, CSSM_KEY_HIERARCHY_NONE, NULL, NULL);
-    if (crtn) {
-      NOTREACHED();
-      return;
-    }
-    cl_loaded_ = true;
-    crtn = CSSM_ModuleLoad(
-        &gGuidAppleX509TP, CSSM_KEY_HIERARCHY_NONE, NULL, NULL);
-    if (crtn) {
-      NOTREACHED();
-      return;
-    }
-    tp_loaded_ = true;
-
-    const CSSM_API_MEMORY_FUNCS cssmMemoryFunctions = {
-      CSSMMalloc,
-      CSSMFree,
-      CSSMRealloc,
-      CSSMCalloc,
-      NULL
-    };
-
-    crtn = CSSM_ModuleAttach(&gGuidAppleCSP, &version, &cssmMemoryFunctions, 0,
-                             CSSM_SERVICE_CSP, 0, CSSM_KEY_HIERARCHY_NONE,
-                             NULL, 0, NULL, &csp_handle_);
-    DCHECK(crtn == CSSM_OK);
-    crtn = CSSM_ModuleAttach(&gGuidAppleX509CL, &version, &cssmMemoryFunctions,
-                             0, CSSM_SERVICE_CL, 0, CSSM_KEY_HIERARCHY_NONE,
-                             NULL, 0, NULL, &cl_handle_);
-    DCHECK(crtn == CSSM_OK);
-    crtn = CSSM_ModuleAttach(&gGuidAppleX509TP, &version, &cssmMemoryFunctions,
-                             0, CSSM_SERVICE_TP, 0, CSSM_KEY_HIERARCHY_NONE,
-                             NULL, 0, NULL, &tp_handle_);
-    DCHECK(crtn == CSSM_OK);
-  }
-
-  ~CSSMInitSingleton() {
-    CSSM_RETURN crtn;
-    if (csp_handle_) {
-      CSSM_RETURN crtn = CSSM_ModuleDetach(csp_handle_);
-      DCHECK(crtn == CSSM_OK);
-    }
-    if (cl_handle_) {
-      CSSM_RETURN crtn = CSSM_ModuleDetach(cl_handle_);
-      DCHECK(crtn == CSSM_OK);
-    }
-    if (tp_handle_) {
-      CSSM_RETURN crtn = CSSM_ModuleDetach(tp_handle_);
-      DCHECK(crtn == CSSM_OK);
-    }
-    if (csp_loaded_) {
-      crtn = CSSM_ModuleUnload(&gGuidAppleCSP, NULL, NULL);
-      DCHECK(crtn == CSSM_OK);
-    }
-    if (cl_loaded_) {
-      crtn = CSSM_ModuleUnload(&gGuidAppleX509CL, NULL, NULL);
-      DCHECK(crtn == CSSM_OK);
-    }
-    if (tp_loaded_) {
-      crtn = CSSM_ModuleUnload(&gGuidAppleX509TP, NULL, NULL);
-      DCHECK(crtn == CSSM_OK);
-    }
-    if (inited_) {
-      crtn = CSSM_Terminate();
-      DCHECK(crtn == CSSM_OK);
-    }
-  }
-
-  bool inited_;  // True if CSSM_Init has been called successfully.
-  bool csp_loaded_;  // True if gGuidAppleCSP has been loaded
-  bool cl_loaded_;  // True if gGuidAppleX509CL has been loaded.
-  bool tp_loaded_;  // True if gGuidAppleX509TP has been loaded.
-  CSSM_CSP_HANDLE csp_handle_;
-  CSSM_CL_HANDLE cl_handle_;
-  CSSM_TP_HANDLE tp_handle_;
-
-  friend struct DefaultSingletonTraits<CSSMInitSingleton>;
-};
-
-// This singleton is separate as it pertains to Apple's wrappers over
-// their own CSSM handles, as opposed to our own CSSM_CSP_HANDLE.
+// This singleton pertains to Apple's wrappers over their own CSSM handles,
+// as opposed to our own CSSM_CSP_HANDLE in cssm_init.cc.
 class SecurityServicesSingleton {
  public:
   static SecurityServicesSingleton* GetInstance() {
     return Singleton<SecurityServicesSingleton,
                      LeakySingletonTraits<SecurityServicesSingleton> >::get();
   }
 
   base::Lock& lock() { return lock_; }
 
  private:
   friend struct DefaultSingletonTraits<SecurityServicesSingleton>;
 
   SecurityServicesSingleton() {}
   ~SecurityServicesSingleton() {}
 
   base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(SecurityServicesSingleton);
 };
 
 }  // namespace
 
 namespace base {
 
-void EnsureCSSMInit() {
-  CSSMInitSingleton::GetInstance();
-}
-
-CSSM_CSP_HANDLE GetSharedCSPHandle() {
-  return CSSMInitSingleton::GetInstance()->csp_handle();
-}
-
-CSSM_CL_HANDLE GetSharedCLHandle() {
-  return CSSMInitSingleton::GetInstance()->cl_handle();
-}
-
-CSSM_TP_HANDLE GetSharedTPHandle() {
-  return CSSMInitSingleton::GetInstance()->tp_handle();
-}
-
-void* CSSMMalloc(CSSM_SIZE size) {
-  return ::CSSMMalloc(size, NULL);
-}
-
-void CSSMFree(void* ptr) {
-  ::CSSMFree(ptr, NULL);
-}
-
-void LogCSSMError(const char* fn_name, CSSM_RETURN err) {
-  if (!err)
-    return;
-  base::mac::ScopedCFTypeRef<CFStringRef> cfstr(
-      SecCopyErrorMessageString(err, NULL));
-  LOG(ERROR) << fn_name << " returned " << err
-             << " (" << SysCFStringRefToUTF8(cfstr) << ")";
-}
-
 base::Lock& GetMacSecurityServicesLock() {
   return SecurityServicesSingleton::GetInstance()->lock();
 }
 
-ScopedCSSMData::ScopedCSSMData() {
-  memset(&data_, 0, sizeof(data_));
-}
-
-ScopedCSSMData::~ScopedCSSMData() {
-  if (data_.Data) {
-    CSSMFree(data_.Data);
-    data_.Data = NULL;
-  }
-}
-
 }  // namespace base