cdsa/cssm/attachfactory.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 // attachfactory - industrial grade production of Attachment objects
  21 //
  22 #ifdef __MWERKS__
  23 #define _CPP_ATTACHFACTORY
  24 #endif
  25 #include "attachfactory.h"
  26
  27 #include "cspattachment.h"
  28 #include <Security/cssmdli.h>
  29 #include <Security/cssmcli.h>
  30 #include <Security/cssmaci.h>
  31 #include <Security/cssmtpi.h>
  32 #include "funcnames.gen"
  33 #include <map>
  34
  35
  36 //
  37 // A template to generate AttachmentMakers for the standard plugin types.
  38 //
  39 template <CSSM_SERVICE_TYPE type, typename Table, const char *const nameTable[]>
  40 class StandardAttachmentMaker : public AttachmentMaker {
  41 public:
  42     StandardAttachmentMaker();
  43
  44     Attachment *make(Module *module,
  45                      const CSSM_VERSION &version,
  46                      uint32 subserviceId,
  47                      CSSM_SERVICE_TYPE subserviceType,
  48                      const CSSM_API_MEMORY_FUNCS &memoryOps,
  49                      CSSM_ATTACH_FLAGS attachFlags,
  50                      CSSM_KEY_HIERARCHY keyHierarchy,
  51                      CSSM_FUNC_NAME_ADDR *FunctionTable,
  52                      uint32 NumFunctions)
  53     {
  54         StandardAttachment<type, Table> *attachment =
  55         new StandardAttachment<type, Table>(module,
  56                                              nameMap,
  57                                              version,
  58                                              subserviceId,
  59                                              subserviceType,
  60                                              memoryOps,
  61                                              attachFlags,
  62                                              keyHierarchy);
  63         attachment->resolveSymbols(FunctionTable, NumFunctions);
  64         return attachment;
  65     }
  66
  67 private:
  68     typedef StandardAttachment<type, Table>::NameMap NameMap;
  69     NameMap nameMap;
  70 };
  71
  72
  73 //
  74 // The constructor of the StandardAttachmentMaker builds a dictionary
  75 // derived from the plugin type's function name tables.
  76 //
  77 template <CSSM_SERVICE_TYPE type, typename Table, const char *nameTable[]>
  78 StandardAttachmentMaker<type, Table, nameTable>::StandardAttachmentMaker()
  79 : AttachmentMaker(type)
  80 {
  81     for (unsigned n = 0; n < sizeof(nameTable) / sizeof(nameTable[0]); n++)
  82         nameMap.insert(NameMap::value_type(nameTable[n], n));
  83 }
  84
  85 //
  86 // Implementation of an attachment factory
  87 //
  88 AttachmentFactory::AttachmentFactory()
  89 {
  90     // generate explicitly known attachment types
  91     factories[CSSM_SERVICE_AC] = new StandardAttachmentMaker<CSSM_SERVICE_AC, CSSM_SPI_AC_FUNCS, ACNameTable>;
  92     factories[CSSM_SERVICE_CL] = new StandardAttachmentMaker<CSSM_SERVICE_CL, CSSM_SPI_CL_FUNCS, CLNameTable>;
  93     factories[CSSM_SERVICE_CSP] = new StandardAttachmentMaker<CSSM_SERVICE_CSP, CSSM_SPI_CSP_FUNCS, CSPNameTable>;
  94     factories[CSSM_SERVICE_DL] = new StandardAttachmentMaker<CSSM_SERVICE_DL, CSSM_SPI_DL_FUNCS, DLNameTable>;
  95     factories[CSSM_SERVICE_TP] = new StandardAttachmentMaker<CSSM_SERVICE_TP, CSSM_SPI_TP_FUNCS, TPNameTable>;
  96 }
  97
  98
  99 AttachmentMaker *AttachmentFactory::attachmentMakerFor(CSSM_SERVICE_TYPE type) const
 100 {
 101     AttachFactories::const_iterator it = factories.find(type);
 102     if (it == factories.end())
 103         CssmError::throwMe(CSSMERR_CSSM_INVALID_SERVICE_MASK);
 104     return it->second;
 105 }
 106
 107
 108 //
 109 // Manage an AttachmentMaker
 110 //
 111 AttachmentMaker::~AttachmentMaker()
 112 {
 113 }