cdsa/cdsa_pluginlib/pluginsession.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 // pluginsession - an attachment session for a CSSM plugin
  21 //
  22 #ifdef __MWERKS__
  23 #define _CPP_PLUGINSESSION
  24 #endif
  25 #include <Security/pluginsession.h>
  26 #include <Security/cssmplugin.h>
  27 #include <Security/DLsession.h>
  28
  29
  30 //
  31 // Construct the PluginSession base object.
  32 //
  33 PluginSession::PluginSession(CSSM_MODULE_HANDLE theHandle,
  34                              CssmPlugin &plug,
  35                              const CSSM_VERSION &version,
  36                              uint32 subserviceId,
  37                              CSSM_SERVICE_TYPE subserviceType,
  38                              CSSM_ATTACH_FLAGS attachFlags,
  39                              const CSSM_UPCALLS &inUpcalls)
  40 : HandledObject(theHandle), plugin(plug), upcalls(inUpcalls)
  41 {
  42     // fill in passed flags
  43     mVersion = version;
  44     mSubserviceId = subserviceId;
  45     mSubserviceType = subserviceType;
  46     mAttachFlags = attachFlags;
  47 }
  48
  49 PluginSession::~PluginSession()
  50 {
  51 }
  52
  53 void PluginSession::detach()
  54 {
  55 }
  56
  57
  58 //
  59 // Allocation management
  60 //
  61 void *PluginSession::malloc(size_t size) throw(std::bad_alloc)
  62 {
  63     if (void *addr = upcalls.malloc_func(handle(), size))
  64         return addr;
  65     CssmError::throwMe(CSSM_ERRCODE_MEMORY_ERROR);
  66 }
  67
  68 void *PluginSession::realloc(void *oldAddr, size_t size) throw(std::bad_alloc)
  69 {
  70     if (void *addr = upcalls.realloc_func(handle(), oldAddr, size))
  71         return addr;
  72     CssmError::throwMe(CSSM_ERRCODE_MEMORY_ERROR);
  73 }
  74
  75
  76 //
  77 // Dispatch events through the plugin module object.
  78 // Subsystem ID and subservice type default to our own.
  79 //
  80
  81 void PluginSession::sendCallback(CSSM_MODULE_EVENT event,
  82                                  uint32 subId,
  83                                  CSSM_SERVICE_TYPE serviceType) const
  84 {
  85     plugin.sendCallback(event,
  86                         (subId == uint32(-1)) ? mSubserviceId : subId,
  87                         serviceType ? serviceType : mSubserviceType);
  88 }