/src/yara/tests/oss-fuzz/rules_fuzzer.cc
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1 | | /* |
2 | | Copyright (c) 2017. The YARA Authors. All Rights Reserved. |
3 | | |
4 | | Redistribution and use in source and binary forms, with or without modification, |
5 | | are permitted provided that the following conditions are met: |
6 | | |
7 | | 1. Redistributions of source code must retain the above copyright notice, this |
8 | | list of conditions and the following disclaimer. |
9 | | |
10 | | 2. Redistributions in binary form must reproduce the above copyright notice, |
11 | | this list of conditions and the following disclaimer in the documentation and/or |
12 | | other materials provided with the distribution. |
13 | | |
14 | | 3. Neither the name of the copyright holder nor the names of its contributors |
15 | | may be used to endorse or promote products derived from this software without |
16 | | specific prior written permission. |
17 | | |
18 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
19 | | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
20 | | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
21 | | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
22 | | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
23 | | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
24 | | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
25 | | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
27 | | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | | */ |
29 | | |
30 | | #include <stddef.h> |
31 | | #include <stdint.h> |
32 | | #include <string.h> |
33 | | #include <yara.h> |
34 | | |
35 | | |
36 | | extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) |
37 | 2 | { |
38 | 2 | yr_initialize(); |
39 | 2 | return 0; |
40 | 2 | } |
41 | | |
42 | | |
43 | | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) |
44 | 1.35k | { |
45 | 1.35k | YR_RULES* rules; |
46 | 1.35k | YR_COMPILER* compiler; |
47 | | |
48 | 1.35k | char* buffer = (char*) malloc(size + 1); |
49 | | |
50 | 1.35k | if (!buffer) |
51 | 0 | return 0; |
52 | | |
53 | 1.35k | strncpy(buffer, (const char*) data, size); |
54 | 1.35k | buffer[size] = 0; |
55 | | |
56 | 1.35k | if (yr_compiler_create(&compiler) != ERROR_SUCCESS) |
57 | 0 | { |
58 | 0 | free(buffer); |
59 | 0 | return 0; |
60 | 0 | } |
61 | | |
62 | 1.35k | if (yr_compiler_add_string(compiler, (const char*) buffer, NULL) == 0) |
63 | 97 | { |
64 | 97 | if (yr_compiler_get_rules(compiler, &rules) == ERROR_SUCCESS) |
65 | 97 | yr_rules_destroy(rules); |
66 | 97 | } |
67 | | |
68 | 1.35k | yr_compiler_destroy(compiler); |
69 | 1.35k | free(buffer); |
70 | | |
71 | 1.35k | return 0; |
72 | 1.35k | } |