Systemsicherheit/Assignment 7 - SGX Hands-on/SGX101_sample_code-master/HelloEnclave/Enclave/Enclave.cpp
Paul Zinselmeyer ba8e969470
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[Assignment-7] add SGX sample code from VM
2024-06-29 17:55:44 +02:00

57 lines
2 KiB
C++

/*
* Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*
*/
#include <stdarg.h>
#include <stdio.h> /* vsnprintf */
#include "Enclave.h"
#include "Enclave_t.h" /* print_string */
/*
* printf:
* Invokes OCALL to display the enclave buffer to the terminal.
*/
void printf(const char *fmt, ...)
{
char buf[BUFSIZ] = {'\0'};
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, BUFSIZ, fmt, ap);
va_end(ap);
ocall_print_string(buf);
}
void printf_helloworld()
{
printf("Hello World\n");
}