edl/intel/sgx_tprotected_fs.edl

/*
 * Copyright (C) 2011-2019 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.
 *
 */

enclave {
    from "sgx_tstdc.edl" import *;
    untrusted {
		void*   u_sgxprotectedfs_exclusive_file_open([in, string] const char* filename, uint8_t read_only, [out] int64_t* file_size, [out] int32_t* error_code);
		uint8_t u_sgxprotectedfs_check_if_file_exists([in, string] const char* filename);
		int32_t u_sgxprotectedfs_fread_node([user_check] void* f, uint64_t node_number, [out, size=node_size] uint8_t* buffer, uint32_t node_size);
		int32_t u_sgxprotectedfs_fwrite_node([user_check] void* f, uint64_t node_number, [in, size=node_size] uint8_t* buffer, uint32_t node_size);
		int32_t u_sgxprotectedfs_fclose([user_check] void* f);
		uint8_t u_sgxprotectedfs_fflush([user_check] void* f);
		int32_t u_sgxprotectedfs_remove([in, string] const char* filename);

		void*   u_sgxprotectedfs_recovery_file_open([in, string] const char* filename);
		uint8_t u_sgxprotectedfs_fwrite_recovery_node([user_check] void* f, [in, count=data_length] uint8_t* data, uint32_t data_length);
		int32_t u_sgxprotectedfs_do_file_recovery([in, string] const char* filename, [in, string] const char* recovery_filename, uint32_t node_size);
    };
};