Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_apple_csp / lib / bsobjects.h

diff --git a/Security/libsecurity_apple_csp/lib/bsobjects.h b/Security/libsecurity_apple_csp/lib/bsobjects.h
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+/*
+ * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This 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.
+ */
+
+#ifdef BSAFE_CSP_ENABLE
+
+
+//
+// bsobjects - C++ adaptations of popular BSafe 4 object types
+//
+#ifndef _H_BSOBJECTS
+#define _H_BSOBJECTS
+
+#include <security_cdsa_utilities/cssmutilities.h>
+#include <security_utilities/alloc.h>
+#include <aglobal.h>
+#include <bsafe.h>
+
+//
+// A PodWrapper for BSafe's ITEM objects
+//
+class BSafeItem : public PodWrapper<BSafeItem, ITEM> {
+public:
+    BSafeItem() { ((ITEM *)this)->data = NULL; len = 0; }
+    BSafeItem(void *addr, size_t sz)
+    { ((ITEM *)this)->data = (unsigned char *)addr; len = sz; }
+    BSafeItem(const CSSM_DATA &cData)
+    { ((ITEM *)this)->data = cData.Data; len = cData.Length; }
+    BSafeItem(const ITEM &cData)
+    { *(ITEM *)this = cData; }
+
+    void operator = (const CssmData &cData)
+    { ((ITEM *)this)->data = (unsigned char *)cData.data(); len = cData.length(); }
+
+    void *data() const { return ((ITEM *)this)->data; }
+    size_t length() const { return len; }
+
+    template <class T>
+    T copy(Allocator &alloc)
+    { return T(memcpy(alloc.malloc(length()), data(), length()), length()); }
+
+    template <class T>
+    T *copyp(Allocator &alloc)
+    { return new(alloc) T(copy<T>(alloc)); }
+
+    void *operator new (size_t size, Allocator &alloc)
+    { return alloc.malloc(size); }
+};
+
+#endif //_H_BSOBJECTS
+#endif /* BSAFE_CSP_ENABLE */