libpsl/fuzz/libpsl_load_dafsa_fuzzer.c

75 lines
2.0 KiB
C

/*
* Copyright(c) 2017 Tim Ruehsen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* This file is part of libpsl.
*/
#include <config.h>
#include <assert.h> // assert
#include <stdint.h> // uint8_t
#include <stdlib.h> // malloc, free
#include <string.h> // memcpy
#include "libpsl.h"
#include "fuzzer.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
char *in = (char *) malloc(size + 16);
assert(in != NULL);
// create a valid DAFSA input file
memcpy(in, ".DAFSA@PSL_0 \n", 16);
memcpy(in + 16, data, size);
FILE *fp = fmemopen(in, size + 16, "r");
assert(fp != NULL);
psl_ctx_t *psl;
psl = psl_load_fp(fp);
psl_is_public_suffix(NULL, NULL);
psl_is_public_suffix(psl, ".ü.com");
psl_suffix_wildcard_count(psl);
psl_suffix_exception_count(psl);
psl_suffix_count(psl);
psl_free(psl);
fclose(fp);
// non-DAFSA load
fp = fmemopen(in + 16, size, "r");
assert(fp != NULL);
psl = psl_load_fp(fp);
psl_free(psl);
fclose(fp);
psl = psl_latest(NULL);
psl_free(psl);
free(in);
return 0;
}