/ OSX / libsecurity_cssm / lib / attachfactory.cpp
attachfactory.cpp
  1  /*
  2   * Copyright (c) 2000-2004,2011,2014 Apple Inc. All Rights Reserved.
  3   * 
  4   * @APPLE_LICENSE_HEADER_START@
  5   * 
  6   * This file contains Original Code and/or Modifications of Original Code
  7   * as defined in and that are subject to the Apple Public Source License
  8   * Version 2.0 (the 'License'). You may not use this file except in
  9   * compliance with the License. Please obtain a copy of the License at
 10   * http://www.opensource.apple.com/apsl/ and read it before using this
 11   * file.
 12   * 
 13   * The Original Code and all software distributed under the License are
 14   * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 15   * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 16   * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 17   * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 18   * Please see the License for the specific language governing rights and
 19   * limitations under the License.
 20   * 
 21   * @APPLE_LICENSE_HEADER_END@
 22   */
 23  
 24  
 25  //
 26  // attachfactory - industrial grade production of Attachment objects
 27  //
 28  #ifdef __MWERKS__
 29  #define _CPP_ATTACHFACTORY
 30  #endif
 31  #include "attachfactory.h"
 32  
 33  #include "cspattachment.h"
 34  #include <Security/cssmdli.h>
 35  #include <Security/cssmcli.h>
 36  #include <Security/cssmaci.h>
 37  #include <Security/cssmtpi.h>
 38  #include <derived_src/funcnames.gen>
 39  #include <map>
 40  
 41  
 42  //
 43  // A template to generate AttachmentMakers for the standard plugin types.
 44  //
 45  template <CSSM_SERVICE_TYPE type, typename Table, const char *const nameTable[]>
 46  class StandardAttachmentMaker : public AttachmentMaker {
 47  public:
 48      StandardAttachmentMaker() : AttachmentMaker(type)
 49      {
 50          for (unsigned n = 0; n < sizeof(nameTable) / sizeof(nameTable[0]); n++)
 51              nameMap.insert(typename NameMap::value_type(nameTable[n], n));
 52      }
 53  
 54      Attachment *make(Module *module,
 55                       const CSSM_VERSION &version,
 56                       uint32 subserviceId,
 57                       CSSM_SERVICE_TYPE subserviceType,
 58                       const CSSM_API_MEMORY_FUNCS &memoryOps,
 59                       CSSM_ATTACH_FLAGS attachFlags,
 60                       CSSM_KEY_HIERARCHY keyHierarchy,
 61                       CSSM_FUNC_NAME_ADDR *FunctionTable,
 62                       uint32 NumFunctions)
 63      {
 64          StandardAttachment<type, Table> *attachment =
 65          new StandardAttachment<type, Table>(module,
 66                                               nameMap,
 67                                               version,
 68                                               subserviceId,
 69                                               subserviceType,
 70                                               memoryOps,
 71                                               attachFlags,
 72                                               keyHierarchy);
 73          attachment->resolveSymbols(FunctionTable, NumFunctions);
 74          return attachment;
 75      }
 76  
 77  private:
 78      typedef typename StandardAttachment<type, Table>::NameMap NameMap;
 79      NameMap nameMap;
 80  };
 81  
 82  
 83  //
 84  // Implementation of an attachment factory
 85  //
 86  AttachmentFactory::AttachmentFactory()
 87  {
 88      // generate explicitly known attachment types
 89      factories[CSSM_SERVICE_AC] = new StandardAttachmentMaker<CSSM_SERVICE_AC, CSSM_SPI_AC_FUNCS, ACNameTable>;
 90      factories[CSSM_SERVICE_CL] = new StandardAttachmentMaker<CSSM_SERVICE_CL, CSSM_SPI_CL_FUNCS, CLNameTable>;
 91      factories[CSSM_SERVICE_CSP] = new StandardAttachmentMaker<CSSM_SERVICE_CSP, CSSM_SPI_CSP_FUNCS, CSPNameTable>;
 92      factories[CSSM_SERVICE_DL] = new StandardAttachmentMaker<CSSM_SERVICE_DL, CSSM_SPI_DL_FUNCS, DLNameTable>;
 93      factories[CSSM_SERVICE_TP] = new StandardAttachmentMaker<CSSM_SERVICE_TP, CSSM_SPI_TP_FUNCS, TPNameTable>;
 94  }
 95  
 96  
 97  AttachmentMaker *AttachmentFactory::attachmentMakerFor(CSSM_SERVICE_TYPE type) const
 98  {
 99      AttachFactories::const_iterator it = factories.find(type);
100      if (it == factories.end())
101          CssmError::throwMe(CSSMERR_CSSM_INVALID_SERVICE_MASK);
102      return it->second;
103  }
104  
105  
106  //
107  // Manage an AttachmentMaker
108  //
109  AttachmentMaker::~AttachmentMaker()
110  {
111  }