projects / apple / security.git / blame
| Commit | Line | Data |
|---|---|---|
| b1ab9ed8 | 1 | /* |
| d8f41ccd | 2 | * Copyright (c) 2000-2001,2003-2004,2011,2014 Apple Inc. All Rights Reserved. |
| b1ab9ed8 A |
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 | #include "modload_plugin.h" | |
| 29 | ||
| 30 | ||
| 31 | namespace Security { | |
| 32 | ||
| 33 | ||
| 34 | // | |
| 35 | // During construction, a LoadablePlugin loads itself into memory and locates | |
| 36 | // the canonical (CDSA defined) four entrypoints. If anything fails, we throw. | |
| 37 | // | |
| 38 | LoadablePlugin::LoadablePlugin(const char *path) : LoadableBundle(path) | |
| 39 | { | |
| 40 | secdebug("cssm", "LoadablePlugin(%s)", path); | |
| 41 | load(); | |
| 42 | } | |
| 43 | ||
| 44 | ||
| 45 | // | |
| 46 | // Loading and unloading devolves directly onto LoadableBundle | |
| 47 | // | |
| 48 | void LoadablePlugin::load() | |
| 49 | { | |
| 50 | secdebug("cssm", "LoadablePlugin::load() path %s", path().c_str()); | |
| 51 | LoadableBundle::load(); | |
| 52 | findFunction(mFunctions.load, "CSSM_SPI_ModuleLoad"); | |
| 53 | findFunction(mFunctions.attach, "CSSM_SPI_ModuleAttach"); | |
| 54 | findFunction(mFunctions.detach, "CSSM_SPI_ModuleDetach"); | |
| 55 | findFunction(mFunctions.unload, "CSSM_SPI_ModuleUnload"); | |
| 56 | } | |
| 57 | ||
| 58 | void LoadablePlugin::unload() | |
| 59 | { | |
| 60 | secdebug("cssm", "LoadablePlugin::unload() path %s", path().c_str()); | |
| 61 | /* skipping for workaround for radar 3774226 | |
| 62 | LoadableBundle::unload(); */ | |
| 63 | } | |
| 64 | ||
| 65 | bool LoadablePlugin::isLoaded() const | |
| 66 | { | |
| 67 | return LoadableBundle::isLoaded(); | |
| 68 | } | |
| 69 | ||
| 70 | ||
| 71 | // | |
| 72 | // Pass module entry points to the statically linked functions | |
| 73 | // | |
| 74 | CSSM_RETURN LoadablePlugin::load(const CSSM_GUID *CssmGuid, | |
| 75 | const CSSM_GUID *ModuleGuid, | |
| 76 | CSSM_SPI_ModuleEventHandler CssmNotifyCallback, | |
| 77 | void *CssmNotifyCallbackCtx) | |
| 78 | { | |
| 79 | secdebug("cssm", "LoadablePlugin::load(guid,...) path %s", path().c_str()); | |
| 80 | return mFunctions.load(CssmGuid, ModuleGuid, | |
| 81 | CssmNotifyCallback, CssmNotifyCallbackCtx); | |
| 82 | } | |
| 83 | ||
| 84 | CSSM_RETURN LoadablePlugin::unload(const CSSM_GUID *CssmGuid, | |
| 85 | const CSSM_GUID *ModuleGuid, | |
| 86 | CSSM_SPI_ModuleEventHandler CssmNotifyCallback, | |
| 87 | void *CssmNotifyCallbackCtx) | |
| 88 | { | |
| 89 | secdebug("cssm", "LoadablePlugin::unload(guid,...) path %s", path().c_str()); | |
| 90 | return mFunctions.unload(CssmGuid, ModuleGuid, | |
| 91 | CssmNotifyCallback, CssmNotifyCallbackCtx); | |
| 92 | } | |
| 93 | ||
| 94 | CSSM_RETURN LoadablePlugin::attach(const CSSM_GUID *ModuleGuid, | |
| 95 | const CSSM_VERSION *Version, | |
| 96 | uint32 SubserviceID, | |
| 97 | CSSM_SERVICE_TYPE SubServiceType, | |
| 98 | CSSM_ATTACH_FLAGS AttachFlags, | |
| 99 | CSSM_MODULE_HANDLE ModuleHandle, | |
| 100 | CSSM_KEY_HIERARCHY KeyHierarchy, | |
| 101 | const CSSM_GUID *CssmGuid, | |
| 102 | const CSSM_GUID *ModuleManagerGuid, | |
| 103 | const CSSM_GUID *CallerGuid, | |
| 104 | const CSSM_UPCALLS *Upcalls, | |
| 105 | CSSM_MODULE_FUNCS_PTR *FuncTbl) | |
| 106 | { | |
| 107 | return mFunctions.attach(ModuleGuid, Version, SubserviceID, SubServiceType, | |
| 108 | AttachFlags, ModuleHandle, KeyHierarchy, CssmGuid, ModuleManagerGuid, | |
| 109 | CallerGuid, Upcalls, FuncTbl); | |
| 110 | } | |
| 111 | ||
| 112 | CSSM_RETURN LoadablePlugin::detach(CSSM_MODULE_HANDLE ModuleHandle) | |
| 113 | { | |
| 114 | return mFunctions.detach(ModuleHandle); | |
| 115 | } | |
| 116 | ||
| 117 | ||
| 118 | } // end namespace Security |