cJSON/fuzzing/fuzz_main.c

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#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
2019-10-21 16:27:47 +03:00
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); /* required by C89 */
/* fuzz target entry point, works without libFuzzer */
int main(int argc, char **argv)
{
FILE *f;
char *buf = NULL;
long siz_buf;
if(argc < 2)
{
fprintf(stderr, "no input file\n");
goto err;
}
f = fopen(argv[1], "rb");
if(f == NULL)
{
fprintf(stderr, "error opening input file %s\n", argv[1]);
goto err;
}
fseek(f, 0, SEEK_END);
siz_buf = ftell(f);
rewind(f);
if(siz_buf < 1) goto err;
buf = (char*)malloc((size_t)siz_buf);
if(buf == NULL)
{
fprintf(stderr, "malloc() failed\n");
goto err;
}
if(fread(buf, (size_t)siz_buf, 1, f) != 1)
{
fprintf(stderr, "fread() failed\n");
goto err;
}
(void)LLVMFuzzerTestOneInput((uint8_t*)buf, (size_t)siz_buf);
err:
free(buf);
return 0;
}