75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "fuzz.h"
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/**
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* Main procedure for standalone fuzzing engine.
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*
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* Reads filenames from the argument array. For each filename, read the file
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* into memory and then call the fuzzing interface with the data.
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*/
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int main(int argc, char **argv)
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{
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int ii;
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for(ii = 1; ii < argc; ii++)
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{
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FILE *infile;
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printf("[%s] ", argv[ii]);
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/* Try and open the file. */
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infile = fopen(argv[ii], "rb");
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if(infile)
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{
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uint8_t *buffer = NULL;
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size_t buffer_len;
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printf("Opened.. ");
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/* Get the length of the file. */
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fseek(infile, 0L, SEEK_END);
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buffer_len = ftell(infile);
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/* Reset the file indicator to the beginning of the file. */
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fseek(infile, 0L, SEEK_SET);
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/* Allocate a buffer for the file contents. */
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buffer = (uint8_t *)calloc(buffer_len, sizeof(uint8_t));
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if(buffer)
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{
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/* Read all the text from the file into the buffer. */
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fread(buffer, sizeof(uint8_t), buffer_len, infile);
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printf("Read %zu bytes, fuzzing.. ", buffer_len);
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/* Call the fuzzer with the data. */
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LLVMFuzzerTestOneInput(buffer, buffer_len);
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printf("complete !!");
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/* Free the buffer as it's no longer needed. */
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free(buffer);
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buffer = NULL;
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}
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else
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{
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fprintf(stderr,
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"[%s] Failed to allocate %zu bytes \n",
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argv[ii],
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buffer_len);
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}
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/* Close the file as it's no longer needed. */
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fclose(infile);
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infile = NULL;
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}
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else
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{
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/* Failed to open the file. Maybe wrong name or wrong permissions? */
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fprintf(stderr, "[%s] Open failed. \n", argv[ii]);
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}
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printf("\n");
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}
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}
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