/src/libpsl/fuzz/libpsl_fuzzer.c
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1 | | /* |
2 | | * Copyright(c) 2017-2024 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 | | |
38 | | #ifdef WITH_LIBICU |
39 | | #ifndef WITH_LIBICU_WIN |
40 | | #include <unicode/uclean.h> |
41 | | #else |
42 | | #include <icu.h> |
43 | | #endif |
44 | | #endif |
45 | | |
46 | | #include "libpsl.h" |
47 | | #include "fuzzer.h" |
48 | | |
49 | | int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) |
50 | 2.08k | { |
51 | 2.08k | static int first_run = 1; |
52 | 2.08k | psl_ctx_t *psl; |
53 | 2.08k | char *domain, *res; |
54 | 2.08k | int rc; |
55 | | |
56 | 2.08k | if (size > 64 * 1024 - 1) |
57 | 5 | return 0; |
58 | | |
59 | 2.07k | domain = (char *) malloc(size + 1); |
60 | 2.07k | assert(domain != NULL); |
61 | | |
62 | | /* 0 terminate */ |
63 | 2.07k | memcpy(domain, data, size); |
64 | 2.07k | domain[size] = 0; |
65 | | |
66 | 2.07k | psl = (psl_ctx_t *) psl_builtin(); |
67 | | |
68 | 2.07k | psl_is_public_suffix(psl, domain); |
69 | 2.07k | psl_is_public_suffix2(psl, domain, PSL_TYPE_PRIVATE); |
70 | 2.07k | psl_is_public_suffix2(psl, domain, PSL_TYPE_ICANN); |
71 | 2.07k | psl_is_public_suffix2(psl, domain, PSL_TYPE_NO_STAR_RULE); |
72 | 2.07k | psl_is_public_suffix2(psl, domain, PSL_TYPE_NO_STAR_RULE|PSL_TYPE_ANY); |
73 | 2.07k | psl_unregistrable_domain(psl, domain); |
74 | 2.07k | psl_registrable_domain(psl, domain); |
75 | | |
76 | 2.07k | psl_is_cookie_domain_acceptable(psl, "", NULL); |
77 | 2.07k | psl_is_cookie_domain_acceptable(psl, "a.b.c.e.com", domain); |
78 | | |
79 | 2.07k | if ((rc = psl_str_to_utf8lower(domain, "utf-8", NULL, &res)) == PSL_SUCCESS) |
80 | 1.69k | free(res); |
81 | 2.07k | if ((rc = psl_str_to_utf8lower(domain, "iso-8859-1", NULL, &res)) == PSL_SUCCESS) |
82 | 2.07k | free(res); |
83 | 2.07k | if ((rc = psl_str_to_utf8lower(domain, NULL, NULL, &res)) == PSL_SUCCESS) |
84 | 246 | free(res); |
85 | | |
86 | 2.07k | psl_free(psl); |
87 | | |
88 | 2.07k | if (first_run) { |
89 | 1 | psl_is_public_suffix(NULL, domain); |
90 | 1 | psl_check_version_number(1); |
91 | 1 | psl_get_version(); |
92 | 1 | psl_dist_filename(); |
93 | 1 | psl_builtin_outdated(); |
94 | 1 | psl_builtin_filename(); |
95 | 1 | psl_builtin_sha1sum(); |
96 | 1 | psl_builtin_file_time(); |
97 | 1 | first_run = 0; |
98 | 1 | } |
99 | | |
100 | 2.07k | free(domain); |
101 | | |
102 | | #if defined(WITH_LIBICU) |
103 | | u_cleanup(); /* free all library internal memory to avoid memory leaks being reported */ |
104 | | #endif |
105 | | |
106 | 2.07k | return 0; |
107 | 2.07k | } |