1  /*
 2   * Copyright (c) 2000-2001,2003-2004,2011,2014 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  // modload_plugin - loader interface for dynamically loaded plugin modules
27  //
28  #ifndef _H_MODLOAD_PLUGIN
29  #define _H_MODLOAD_PLUGIN
30  
31  #include "modloader.h"
32  
33  
34  namespace Security {
35  
36  
37  //
38  // A LoadablePlugin implements itself as a LoadableBundle
39  //
40  class LoadablePlugin : public Plugin, public LoadableBundle {
41  public:
42      LoadablePlugin(const char *path);
43      
44      void load();
45      void unload();
46      bool isLoaded() const;
47  
48  	CSSM_SPI_ModuleLoadFunction load;
49  	CSSM_SPI_ModuleUnloadFunction unload;
50  	CSSM_SPI_ModuleAttachFunction attach;
51  	CSSM_SPI_ModuleDetachFunction detach;
52          
53  private:
54  	PluginFunctions mFunctions;
55  
56      template <class FunctionType>
57      void findFunction(FunctionType * &func, const char *name)
58      { func = (FunctionType *)lookupSymbol(name); }
59  
60      bool allowableModulePath(const char *path);
61  };
62  
63  
64  } // end namespace Security
65  
66  
67  #endif //_H_MODLOAD_PLUGIN