libsecurity_cdsa_client/lib/keyclient.cpp

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, 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(keyData.Length, csp->allocator().alloc<uint8>(keyData.Length))
  43 {
  44         memcpy(KeyData.Data, keyData.Data, keyData.Length);
  45         mActive=true;
  46 }
  47
  48 KeyImpl::~KeyImpl()
  49 {
  50         try
  51         {
  52                 deactivate();
  53         }
  54         catch(...) {}
  55 }
  56
  57 void
  58 KeyImpl::deleteKey(const CSSM_ACCESS_CREDENTIALS *cred)
  59 {
  60     StLock<Mutex> _(mActivateMutex);
  61         if (mActive)
  62         {
  63                 mActive=false;
  64                 check(CSSM_FreeKey(csp()->handle(), cred, this, CSSM_TRUE));
  65         }
  66 }
  67
  68 CssmKeySize
  69 KeyImpl::sizeInBits() const
  70 {
  71     CssmKeySize size;
  72     check(CSSM_QueryKeySizeInBits(csp()->handle(), CSSM_INVALID_HANDLE, this, &size));
  73     return size;
  74 }
  75
  76 void
  77 KeyImpl::getAcl(AutoAclEntryInfoList &aclInfos, const char *selectionTag) const
  78 {
  79         aclInfos.allocator(allocator());
  80         check(CSSM_GetKeyAcl(csp()->handle(), this, reinterpret_cast<const CSSM_STRING *>(selectionTag), aclInfos, aclInfos));
  81 }
  82
  83 void
  84 KeyImpl::changeAcl(const CSSM_ACL_EDIT &aclEdit,
  85         const CSSM_ACCESS_CREDENTIALS *accessCred)
  86 {
  87         check(CSSM_ChangeKeyAcl(csp()->handle(),
  88                 AccessCredentials::needed(accessCred), &aclEdit, this));
  89 }
  90
  91 void
  92 KeyImpl::getOwner(AutoAclOwnerPrototype &owner) const
  93 {
  94         owner.allocator(allocator());
  95         check(CSSM_GetKeyOwner(csp()->handle(), this, owner));
  96 }
  97
  98 void
  99 KeyImpl::changeOwner(const CSSM_ACL_OWNER_PROTOTYPE &newOwner,
 100         const CSSM_ACCESS_CREDENTIALS *accessCred)
 101 {
 102         check(CSSM_ChangeKeyOwner(csp()->handle(),
 103                 AccessCredentials::needed(accessCred), this, &newOwner));
 104 }
 105
 106 void KeyImpl::activate()
 107 {
 108     StLock<Mutex> _(mActivateMutex);
 109         mActive=true;
 110 }
 111
 112 void KeyImpl::deactivate()
 113 {
 114     StLock<Mutex> _(mActivateMutex);
 115         if (mActive)
 116         {
 117                 mActive=false;
 118                 check(CSSM_FreeKey(csp()->handle(), NULL, this, CSSM_FALSE));
 119         }
 120 }