1 files changed, 136 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/object_store/File.h b/SoftHSMv2/src/lib/object_store/File.h
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+++ b/SoftHSMv2/src/lib/object_store/File.h
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+/*
+ * Copyright (c) 2010 SURFnet bv
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*****************************************************************************
+ File.h
+
+ This class wraps standard C file I/O in a convenient way for the object store
+ *****************************************************************************/
+
+#ifndef _SOFTHSM_V2_FILE_H
+#define _SOFTHSM_V2_FILE_H
+
+#include "config.h"
+#include "OSAttribute.h"
+#include <stdio.h>
+#include <string>
+
+class File
+{
+public:
+	// Constructor
+	File(std::string inPath, bool forRead = true, bool forWrite = false, bool create = false, bool truncate = true);
+
+	// Destructor
+	virtual ~File();
+
+	// Check if the file is valid
+	bool isValid();
+
+	// Check if the file is readable
+	bool isRead();
+
+	// Check if the file is writable
+	bool isWrite();
+
+	// Check if the file is empty
+	bool isEmpty();
+
+	// Check if the end-of-file was reached
+	bool isEOF();
+
+	// Read an unsigned long value; warning: not thread safe without locking!
+	bool readULong(unsigned long& value);
+
+	// Read a ByteString value; warning: not thread safe without locking!
+	bool readByteString(ByteString& value);
+
+	// Read a string value; warning: not thread safe without locking!
+	bool readString(std::string& value);
+
+	// Read a boolean value; warning: not thread safe without locking!
+	bool readBool(bool& value);
+
+	// Read a mechanism type set value; warning: not thread safe without locking!
+	bool readMechanismTypeSet(std::set<CK_MECHANISM_TYPE>& value);
+
+	// Read an array value; warning: not thread safe without locking!
+	bool readAttributeMap(std::map<CK_ATTRIBUTE_TYPE,OSAttribute>& value);
+
+	// Write an unsigned long value; warning: not thread safe without locking!
+	bool writeULong(const unsigned long value);
+
+	// Write a ByteString value; warning: not thread safe without locking!
+	bool writeByteString(const ByteString& value);
+
+	// Write a string value; warning: not thread safe without locking!
+	bool writeString(const std::string& value);
+
+	// Write a boolean value; warning: not thread safe without locking!
+	bool writeBool(const bool value);
+
+	// Write a mechanism type set value; warning: not thread safe without locking!
+	bool writeMechanismTypeSet(const std::set<CK_MECHANISM_TYPE>& value);
+
+	// Write an attribute map value; warning: not thread safe without locking!
+	bool writeAttributeMap(const std::map<CK_ATTRIBUTE_TYPE,OSAttribute>& value);
+
+	// Rewind the file
+	bool rewind();
+
+	// Truncate the file
+	bool truncate();
+
+	// Seek to the specified position relative to the start of the file; if no
+	// argument is specified this operation seeks to the end of the file
+	bool seek(long offset = -1);
+
+	// Lock the file
+	bool lock(bool block = true);
+
+	// Unlock the file
+	bool unlock();
+
+	// Flush the buffered stream to background storage
+	bool flush();
+
+private:
+	// The file path
+	std::string path;
+
+	// The status
+	bool valid;
+	bool locked;
+
+	// Read, write or both?
+	bool isReadable, isWritable;
+
+	// The FILE stream
+	FILE* stream;
+};
+
+#endif // !_SOFTHSM_V2_FILE_H
+