cdsa/cssm/modloader.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 // cssm module loader interface - MACOS X (CFBundle/DYLD) version.
  21 //
  22 // This file provides a C++-style interface to CFBundles as managed by the CF-style
  23 // system interfaces. The implementation looks a bit, well, hybrid - but the visible
  24 // interfaces are pure C++.
  25 //
  26 #include "modloader.h"
  27 #include "modload_plugin.h"
  28
  29 #if defined(BUILTIN_PLUGINS)
  30 # include "modload_static.h"
  31 # include "AppleCSP/AppleCSP/AppleCSP.h"
  32 # include "AppleCSPDL/CSPDLPlugin.h"
  33 # include "AppleDL/AppleFileDL.h"
  34 # include "AppleX509CL/AppleX509CL.h"
  35 # include "AppleX509TP/AppleTP.h"
  36 #endif //BUILTIN_PLUGINS
  37
  38
  39 namespace Security {
  40
  41
  42 //
  43 // Construct a ModuleLoader object.
  44 //
  45 ModuleLoader::ModuleLoader()
  46 {
  47 #if defined(BUILTIN_PLUGINS)
  48     mPlugins["*AppleCSP"] = new StaticPlugin<AppleCSPPlugin>;
  49     mPlugins["*AppleDL"] = new StaticPlugin<AppleFileDL>;
  50     mPlugins["*AppleCSPDL"] = new StaticPlugin<CSPDLPlugin>;
  51     mPlugins["*AppleX509CL"] = new StaticPlugin<AppleX509CL>;
  52     mPlugins["*AppleX509TP"] = new StaticPlugin<AppleTP>;
  53 #endif //BUILTIN_PLUGINS
  54 }
  55
  56
  57 //
  58 // "Load" a plugin, given its MDS path. At this layer, we are performing
  59 // a purely physical load operation. No code in the plugin is called.
  60 // If "built-in plugins" are enabled, the moduleTable will come pre-initialized
  61 // with certain paths. Since we consult this table before going to disk, this
  62 // means that we'll pick these up first *as long as the paths match exactly*.
  63 // There is nothing magical in the path strings themselves, other than by
  64 // convention.
  65 //
  66 Plugin *ModuleLoader::operator () (const char *path)
  67 {
  68     Plugin * &plugin = mPlugins[path];
  69     if (!plugin)
  70         plugin = new LoadablePlugin(path);
  71     return plugin;
  72 }
  73
  74
  75 }       // end namespace Security