linux-sgx-trts-modified/psw/urts/linux/urts.cpp

/*
 * 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */


#include "sgx_error.h"
#include "sgx_urts.h"
#include "se_types.h"
#include <errno.h>
#include <fcntl.h>
#include <limits.h>

#include "urts_com.h"
extern "C" sgx_status_t sgx_create_enclave(const char *file_name, const int debug, sgx_launch_token_t *launch_token, int *launch_token_updated, sgx_enclave_id_t *enclave_id, sgx_misc_attribute_t *misc_attr)
{
    sgx_status_t ret = SGX_SUCCESS;

    //Only true or false is valid
    if(TRUE != debug &&  FALSE != debug)
        return SGX_ERROR_INVALID_PARAMETER;

    int fd = open(file_name, O_RDONLY);
    if(-1 == fd)
    {
        SE_TRACE(SE_TRACE_ERROR, "Couldn't open the enclave file, error = %d\n", errno);
        return SGX_ERROR_ENCLAVE_FILE_ACCESS;
    }
    se_file_t file = {NULL, 0, false};
    char resolved_path[PATH_MAX];
    file.name = realpath(file_name, resolved_path);
    file.name_len = (uint32_t)strlen(resolved_path);

    ret = _create_enclave(!!debug, fd, file, NULL, launch_token, launch_token_updated, enclave_id, misc_attr);
    if(SGX_SUCCESS != ret && misc_attr)
    {
        sgx_misc_attribute_t plat_cap;
        memset(&plat_cap, 0, sizeof(plat_cap));
        get_enclave_creator()->get_plat_cap(&plat_cap);
        memcpy_s(misc_attr, sizeof(sgx_misc_attribute_t), &plat_cap, sizeof(sgx_misc_attribute_t));
    }

    close(fd);

    return ret;
}


extern "C" sgx_status_t
sgx_create_encrypted_enclave(
    const char *file_name,
    const int debug,
    sgx_launch_token_t *launch_token,
    int *launch_token_updated,
    sgx_enclave_id_t *enclave_id,
    sgx_misc_attribute_t *misc_attr,
    uint8_t* sealed_key)
{
    sgx_status_t ret = SGX_SUCCESS;

    //Only true or false is valid
    if(TRUE != debug &&  FALSE != debug)
        return SGX_ERROR_INVALID_PARAMETER;

    if(NULL == sealed_key)
    {
        return SGX_ERROR_INVALID_PARAMETER;
    }

    int fd = open(file_name, O_RDONLY);
    if(-1 == fd)
    {
        SE_TRACE(SE_TRACE_ERROR, "Couldn't open the enclave file, error = %d\n", errno);
        return SGX_ERROR_ENCLAVE_FILE_ACCESS;
    }
    se_file_t file = {NULL, 0, false};
    char resolved_path[PATH_MAX];
    file.name = realpath(file_name, resolved_path);
    file.name_len = (uint32_t)strlen(resolved_path);

    ret = _create_enclave(
            !!debug,
            fd,
            file,
            NULL,
            launch_token,
            launch_token_updated,
            enclave_id,
            misc_attr,
            sealed_key);
    if(SGX_SUCCESS != ret && misc_attr)
    {
        sgx_misc_attribute_t plat_cap;
        memset(&plat_cap, 0, sizeof(plat_cap));
        get_enclave_creator()->get_plat_cap(&plat_cap);
        memcpy_s(misc_attr, sizeof(sgx_misc_attribute_t), &plat_cap, sizeof(sgx_misc_attribute_t));
    }

    close(fd);

    return ret;
}