1  /*
  2   * Copyright (c) 2000-2001,2011-2014 Apple Inc. All Rights Reserved.
  3   * 
  4   * The contents of this file constitute Original Code as defined in and are
  5   * subject to the Apple Public Source License Version 1.2 (the 'License').
  6   * You may not use this file except in compliance with the License. Please obtain
  7   * a copy of the License at http://www.apple.com/publicsource and read it before
  8   * using this file.
  9   * 
 10   * This Original Code and all software distributed under the License are
 11   * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
 12   * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
 13   * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 14   * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
 15   * specific language governing rights and limitations under the License.
 16   */
 17  
 18  
 19  //
 20  // keyclient
 21  //
 22  #include <security_cdsa_client/keyclient.h>
 23  #include <security_cdsa_utilities/cssmdata.h>
 24  
 25  
 26  using namespace CssmClient;
 27  
 28  
 29  KeyImpl::KeyImpl(const CSP &csp) : ObjectImpl(csp), CssmKey() 
 30  {
 31  	mActive=false;
 32  }
 33  
 34  KeyImpl::KeyImpl(const CSP &csp, const CSSM_KEY &key, bool copy) : ObjectImpl(csp), CssmKey(key)
 35  {
 36  	if (copy)
 37  		keyData() = CssmAutoData(csp.allocator(), keyData()).release();
 38  	mActive=true;
 39  }
 40  
 41  KeyImpl::KeyImpl(const CSP &csp, const CSSM_DATA &keyData) : ObjectImpl(csp),
 42  CssmKey((uint32)keyData.Length, csp->allocator().alloc<uint8>((UInt32)keyData.Length))
 43  {
 44  	memcpy(KeyData.Data, keyData.Data, keyData.Length);
 45  	mActive=true;
 46  }
 47  
 48  KeyImpl::~KeyImpl()
 49  try
 50  {
 51      deactivate();
 52  }
 53  catch (...)
 54  {
 55      return;	// Prevent re-throw of exception [function-try-block]
 56  }
 57  
 58  void
 59  KeyImpl::deleteKey(const CSSM_ACCESS_CREDENTIALS *cred)
 60  {
 61      StLock<Mutex> _(mActivateMutex);
 62  	if (mActive)
 63  	{
 64  		mActive=false;
 65  		check(CSSM_FreeKey(csp()->handle(), cred, this, CSSM_TRUE));
 66  	}
 67  }
 68  
 69  CssmKeySize
 70  KeyImpl::sizeInBits() const
 71  {
 72      CssmKeySize size;
 73      check(CSSM_QueryKeySizeInBits(csp()->handle(), CSSM_INVALID_HANDLE, this, &size));
 74      return size;
 75  }
 76  
 77  void
 78  KeyImpl::getAcl(AutoAclEntryInfoList &aclInfos, const char *selectionTag) const
 79  {
 80  	aclInfos.allocator(allocator());
 81  	check(CSSM_GetKeyAcl(csp()->handle(), this, reinterpret_cast<const CSSM_STRING *>(selectionTag), aclInfos, aclInfos));
 82  }
 83  
 84  void
 85  KeyImpl::changeAcl(const CSSM_ACL_EDIT &aclEdit,
 86  	const CSSM_ACCESS_CREDENTIALS *accessCred)
 87  {
 88  	check(CSSM_ChangeKeyAcl(csp()->handle(),
 89  		AccessCredentials::needed(accessCred), &aclEdit, this));
 90  }
 91  
 92  void
 93  KeyImpl::getOwner(AutoAclOwnerPrototype &owner) const
 94  {
 95  	owner.allocator(allocator());
 96  	check(CSSM_GetKeyOwner(csp()->handle(), this, owner));
 97  }
 98  
 99  void
100  KeyImpl::changeOwner(const CSSM_ACL_OWNER_PROTOTYPE &newOwner,
101  	const CSSM_ACCESS_CREDENTIALS *accessCred)
102  {
103  	check(CSSM_ChangeKeyOwner(csp()->handle(),
104  		AccessCredentials::needed(accessCred), this, &newOwner));
105  }
106  
107  void KeyImpl::activate()
108  {
109      StLock<Mutex> _(mActivateMutex);
110  	mActive=true;
111  }
112  
113  void KeyImpl::deactivate()
114  {
115      StLock<Mutex> _(mActivateMutex);
116  	if (mActive)
117  	{
118  		mActive=false;
119  		check(CSSM_FreeKey(csp()->handle(), NULL, this, CSSM_FALSE));
120  	}
121  }