OSX/libsecurity_apple_cspdl/lib/SSCSPDLSession.h

   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 // SSCSPDLSession.h - File Based CSP/DL plug-in module.
  21 //
  22 #ifndef _H_SSCSPDLSESSION
  23 #define _H_SSCSPDLSESSION
  24
  25 #include <security_cdsa_plugin/CSPsession.h>
  26 #include <securityd_client/ssclient.h>
  27
  28
  29 class CSPDLPlugin;
  30 class SSFactory;
  31 class SSCSPSession;
  32 class SSDatabase;
  33 class SSKey;
  34
  35 class SSCSPDLSession: public KeyPool
  36 {
  37 public:
  38         SSCSPDLSession();
  39
  40         void makeReferenceKey(SSCSPSession &session,
  41                                                   SecurityServer::KeyHandle inKeyHandle,
  42                                                   CssmKey &outKey, SSDatabase &inSSDatabase,
  43                                                   uint32 inKeyAttr, const CssmData *inKeyLabel);
  44         SSKey &lookupKey(const CssmKey &inKey);
  45
  46         /* Notification we receive when a key's acl has been modified. */
  47         void didChangeKeyAcl(SecurityServer::ClientSession &clientSession,
  48                 SecurityServer::KeyHandle keyHandle, CSSM_ACL_AUTHORIZATION_TAG tag);
  49
  50         static void didChangeKeyAclCallback(void *context, SecurityServer::ClientSession &clientSession,
  51                 SecurityServer::KeyHandle keyHandle, CSSM_ACL_AUTHORIZATION_TAG tag);
  52
  53     Mutex mKeyDeletionMutex; // Used to ensure that only one thread is in either SSCSPSession::FreeKey or SSCSPDLSession::didChangeKeyAcl at a time, since SSCSPDLSession::didChangeKeyAcl might be trying to use the free-ing key (from a securityd callback).
  54 };
  55
  56
  57 #endif // _H_SSCSPDLSESSION