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#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "fuzz.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;
for(ii = 1; ii < argc; ii++)
{
FILE *infile;
printf("[%s] ", argv[ii]);
/* Try and open the file. */
infile = fopen(argv[ii], "rb");
if(infile)
{
uint8_t *buffer = NULL;
size_t buffer_len;
printf("Opened.. ");
/* 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("Read %zu bytes, fuzzing.. ", buffer_len);
/* Call the fuzzer with the data. */
LLVMFuzzerTestOneInput(buffer, buffer_len);
printf("complete !!");
/* 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]);
}
printf("\n");
}
}
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