1 /*
2 * Copyright(c) 2017-2018 Tim Ruehsen
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 *
22 * This file is part of libpsl.
23 */
24
25 #include <config.h>
26
27 #include <assert.h> /* assert */
28
29 #ifdef HAVE_STDINT_H
30 #include <stdint.h> /* uint8_t */
31 #elif defined (_MSC_VER)
32 typedef unsigned __int8 uint8_t;
33 #endif
34
35 #include <stdlib.h> /* malloc, free */
36 #include <string.h> /* memcpy */
37 #include <stdio.h> /* fmemopen */
38
39 #include "libpsl.h"
40 #include "fuzzer.h"
41
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
43 {
44 #ifdef HAVE_FMEMOPEN
45 FILE *fp;
46 psl_ctx_t *psl;
47
48 fp = fmemopen((void *)data, size, "r");
49 if (!fp && size) /* libc6 < 2.22 return NULL when size == 0 */
50 assert(1);
51
52 psl = psl_load_fp(fp);
53 psl_is_public_suffix(NULL, NULL);
54 psl_is_public_suffix(psl, ".ü.com");
55
56 psl_free(psl);
57 if (fp)
58 fclose(fp);
59
60 psl_load_file("/dev/null");
61 #endif
62
63 return 0;
64 }
65