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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2017, Max Dymond, <cmeister2@gmail.com>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "testinput.h"
/**
* Main procedure for standalone fuzzing engine.
*
* Reads filenames from the argument array. For each filename, read the file
* into memory and then call the fuzzing interface with the data.
*/
int main(int argc, char **argv)
{
int ii;
FILE *infile;
uint8_t *buffer = NULL;
size_t buffer_len;
for(ii = 1; ii < argc; ii++) {
/* Try and open the file. */
infile = fopen(argv[ii], "rb");
if(infile) {
printf("[%s] Open succeeded! \n", argv[ii]);
/* Get the length of the file. */
fseek(infile, 0L, SEEK_END);
buffer_len = ftell(infile);
/* Reset the file indicator to the beginning of the file. */
fseek(infile, 0L, SEEK_SET);
/* Allocate a buffer for the file contents. */
buffer = (uint8_t *)calloc(buffer_len, sizeof(uint8_t));
if(buffer) {
/* Read all the text from the file into the buffer. */
fread(buffer, sizeof(uint8_t), buffer_len, infile);
printf("[%s] Read %zu bytes, calling fuzzer\n", argv[ii], buffer_len);
/* Call the fuzzer with the data. */
LLVMFuzzerTestOneInput(buffer, buffer_len);
printf("[%s] Fuzzing complete\n", argv[ii]);
/* Free the buffer as it's no longer needed. */
free(buffer);
buffer = NULL;
}
else
{
fprintf(stderr,
"[%s] Failed to allocate %zu bytes \n",
argv[ii],
buffer_len);
}
/* Close the file as it's no longer needed. */
fclose(infile);
infile = NULL;
}
else
{
/* Failed to open the file. Maybe wrong name or wrong permissions? */
fprintf(stderr, "[%s] Open failed. \n", argv[ii]);
}
}
}