X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_cssm/lib/modload_plugin.cpp?ds=sidebyside

diff --git a/Security/libsecurity_cssm/lib/modload_plugin.cpp b/Security/libsecurity_cssm/lib/modload_plugin.cpp
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+++ b/Security/libsecurity_cssm/lib/modload_plugin.cpp
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+/*
+ * Copyright (c) 2000-2001,2003-2004,2011,2014 Apple Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+//
+// modload_plugin - loader interface for dynamically loaded plugin modules
+//
+#include "modload_plugin.h"
+
+
+namespace Security {
+
+
+//
+// During construction, a LoadablePlugin loads itself into memory and locates
+// the canonical (CDSA defined) four entrypoints. If anything fails, we throw.
+//    
+LoadablePlugin::LoadablePlugin(const char *path) : LoadableBundle(path)
+{
+	secdebug("cssm", "LoadablePlugin(%s)", path);
+    load();
+}
+
+
+//
+// Loading and unloading devolves directly onto LoadableBundle
+//
+void LoadablePlugin::load()
+{
+	secdebug("cssm", "LoadablePlugin::load() path %s", path().c_str());
+    LoadableBundle::load();
+    findFunction(mFunctions.load, "CSSM_SPI_ModuleLoad");
+    findFunction(mFunctions.attach, "CSSM_SPI_ModuleAttach");
+    findFunction(mFunctions.detach, "CSSM_SPI_ModuleDetach");
+    findFunction(mFunctions.unload, "CSSM_SPI_ModuleUnload");
+}
+
+void LoadablePlugin::unload()
+{
+	secdebug("cssm", "LoadablePlugin::unload() path %s", path().c_str());
+	/* skipping for workaround for radar 3774226 
+    LoadableBundle::unload(); */ 
+}
+
+bool LoadablePlugin::isLoaded() const
+{
+    return LoadableBundle::isLoaded();
+}
+
+
+//
+// Pass module entry points to the statically linked functions
+//
+CSSM_RETURN LoadablePlugin::load(const CSSM_GUID *CssmGuid,
+                             const CSSM_GUID *ModuleGuid,
+                             CSSM_SPI_ModuleEventHandler CssmNotifyCallback,
+                             void *CssmNotifyCallbackCtx)
+{
+	secdebug("cssm", "LoadablePlugin::load(guid,...) path %s", path().c_str());
+	return mFunctions.load(CssmGuid, ModuleGuid,
+		CssmNotifyCallback, CssmNotifyCallbackCtx);
+}
+
+CSSM_RETURN LoadablePlugin::unload(const CSSM_GUID *CssmGuid,
+                             const CSSM_GUID *ModuleGuid,
+                             CSSM_SPI_ModuleEventHandler CssmNotifyCallback,
+                             void *CssmNotifyCallbackCtx)
+{
+	secdebug("cssm", "LoadablePlugin::unload(guid,...) path %s", path().c_str());
+	return mFunctions.unload(CssmGuid, ModuleGuid,
+		CssmNotifyCallback, CssmNotifyCallbackCtx);
+}
+
+CSSM_RETURN LoadablePlugin::attach(const CSSM_GUID *ModuleGuid,
+                               const CSSM_VERSION *Version,
+                               uint32 SubserviceID,
+                               CSSM_SERVICE_TYPE SubServiceType,
+                               CSSM_ATTACH_FLAGS AttachFlags,
+                               CSSM_MODULE_HANDLE ModuleHandle,
+                               CSSM_KEY_HIERARCHY KeyHierarchy,
+                               const CSSM_GUID *CssmGuid,
+                               const CSSM_GUID *ModuleManagerGuid,
+                               const CSSM_GUID *CallerGuid,
+                               const CSSM_UPCALLS *Upcalls,
+                               CSSM_MODULE_FUNCS_PTR *FuncTbl)
+{
+	return mFunctions.attach(ModuleGuid, Version, SubserviceID, SubServiceType,
+		AttachFlags, ModuleHandle, KeyHierarchy, CssmGuid, ModuleManagerGuid,
+		CallerGuid, Upcalls, FuncTbl);
+}
+
+CSSM_RETURN LoadablePlugin::detach(CSSM_MODULE_HANDLE ModuleHandle)
+{
+	return mFunctions.detach(ModuleHandle);
+}
+
+
+}	// end namespace Security