slitheen/relay_station/tests/test_util.c

/* Name: test_util.c
 *
 * This file contains functions for manipulating tagged flows. 
 *
 * Slitheen - a decoy routing system for censorship resistance
 * Copyright (C) 2017 Cecylia Bocovich (cbocovic@uwaterloo.ca)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Additional permission under GNU GPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or combining
 * it with the OpenSSL library (or a modified version of that library), 
 * containing parts covered by the terms of the OpenSSL Licence and the
 * SSLeay license, the licensors of this Program grant you additional
 * permission to convey the resulting work. Corresponding Source for a
 * non-source form of such a combination shall include the source code
 * for the parts of the OpenSSL library used as well as that of the covered
 * work.
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <check.h>

#include "../util.h"

int32_t read_file(const char *path, uint8_t **target){

    FILE *fp;
    int32_t fsize;

    fp = fopen(path, "rb");
    if (fp == NULL) {
        perror("fopen");
        return 0;
    }

    fseek(fp, 0, SEEK_END);
    fsize = ftell(fp);
    fseek(fp, 0, SEEK_SET);
    *target = smalloc(fsize);

    int32_t result = fread(*target, fsize, 1, fp);

    fclose(fp);

    return result;
}

int32_t read_file_len(const char *path, uint8_t **target, int32_t *len){

    FILE *fp;
    int32_t fsize;

    fp = fopen(path, "rb");
    if (fp == NULL) {
        perror("fopen");
        return 0;
    }

    fseek(fp, 0, SEEK_END);
    fsize = ftell(fp);
    fseek(fp, 0, SEEK_SET);
    *target = smalloc(fsize);

    int32_t result = fread(*target, fsize, 1, fp);

    *len = fsize;

    fclose(fp);

    return result;
}