Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_cssm / lib / attachfactory.cpp

diff --git a/Security/libsecurity_cssm/lib/attachfactory.cpp b/Security/libsecurity_cssm/lib/attachfactory.cpp
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+/*
+ * Copyright (c) 2000-2004,2011,2014 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@
+ */
+
+
+//
+// attachfactory - industrial grade production of Attachment objects
+//
+#ifdef __MWERKS__
+#define _CPP_ATTACHFACTORY
+#endif
+#include "attachfactory.h"
+
+#include "cspattachment.h"
+#include <Security/cssmdli.h>
+#include <Security/cssmcli.h>
+#include <Security/cssmaci.h>
+#include <Security/cssmtpi.h>
+#include <derived_src/funcnames.gen>
+#include <map>
+
+
+//
+// A template to generate AttachmentMakers for the standard plugin types.
+//
+template <CSSM_SERVICE_TYPE type, typename Table, const char *const nameTable[]>
+class StandardAttachmentMaker : public AttachmentMaker {
+public:
+    StandardAttachmentMaker() : AttachmentMaker(type)
+    {
+        for (unsigned n = 0; n < sizeof(nameTable) / sizeof(nameTable[0]); n++)
+            nameMap.insert(typename NameMap::value_type(nameTable[n], n));
+    }
+
+    Attachment *make(Module *module,
+                     const CSSM_VERSION &version,
+                     uint32 subserviceId,
+                     CSSM_SERVICE_TYPE subserviceType,
+                     const CSSM_API_MEMORY_FUNCS &memoryOps,
+                     CSSM_ATTACH_FLAGS attachFlags,
+                     CSSM_KEY_HIERARCHY keyHierarchy,
+                     CSSM_FUNC_NAME_ADDR *FunctionTable,
+                     uint32 NumFunctions)
+    {
+        StandardAttachment<type, Table> *attachment =
+        new StandardAttachment<type, Table>(module,
+                                             nameMap,
+                                             version,
+                                             subserviceId,
+                                             subserviceType,
+                                             memoryOps,
+                                             attachFlags,
+                                             keyHierarchy);
+        attachment->resolveSymbols(FunctionTable, NumFunctions);
+        return attachment;
+    }
+
+private:
+    typedef typename StandardAttachment<type, Table>::NameMap NameMap;
+    NameMap nameMap;
+};
+
+
+//
+// Implementation of an attachment factory
+//
+AttachmentFactory::AttachmentFactory()
+{
+    // generate explicitly known attachment types
+    factories[CSSM_SERVICE_AC] = new StandardAttachmentMaker<CSSM_SERVICE_AC, CSSM_SPI_AC_FUNCS, ACNameTable>;
+    factories[CSSM_SERVICE_CL] = new StandardAttachmentMaker<CSSM_SERVICE_CL, CSSM_SPI_CL_FUNCS, CLNameTable>;
+    factories[CSSM_SERVICE_CSP] = new StandardAttachmentMaker<CSSM_SERVICE_CSP, CSSM_SPI_CSP_FUNCS, CSPNameTable>;
+    factories[CSSM_SERVICE_DL] = new StandardAttachmentMaker<CSSM_SERVICE_DL, CSSM_SPI_DL_FUNCS, DLNameTable>;
+    factories[CSSM_SERVICE_TP] = new StandardAttachmentMaker<CSSM_SERVICE_TP, CSSM_SPI_TP_FUNCS, TPNameTable>;
+}
+
+
+AttachmentMaker *AttachmentFactory::attachmentMakerFor(CSSM_SERVICE_TYPE type) const
+{
+    AttachFactories::const_iterator it = factories.find(type);
+    if (it == factories.end())
+        CssmError::throwMe(CSSMERR_CSSM_INVALID_SERVICE_MASK);
+    return it->second;
+}
+
+
+//
+// Manage an AttachmentMaker
+//
+AttachmentMaker::~AttachmentMaker()
+{
+}