/src/libgit2/fuzzers/config_file_fuzzer.c
Line | Count | Source |
1 | | /* |
2 | | * libgit2 config file parser fuzz target. |
3 | | * |
4 | | * Copyright (C) the libgit2 contributors. All rights reserved. |
5 | | * |
6 | | * This file is part of libgit2, distributed under the GNU GPL v2 with |
7 | | * a Linking Exception. For full terms see the included COPYING file. |
8 | | */ |
9 | | |
10 | | #include "git2.h" |
11 | | #include "config_backend.h" |
12 | | |
13 | | #include "standalone_driver.h" |
14 | | |
15 | 29.9k | #define UNUSED(x) (void)(x) |
16 | | |
17 | | static int foreach_cb(const git_config_entry *entry, void *payload) |
18 | 14.9k | { |
19 | 14.9k | UNUSED(entry); |
20 | 14.9k | UNUSED(payload); |
21 | | |
22 | 14.9k | return 0; |
23 | 14.9k | } |
24 | | |
25 | | int LLVMFuzzerInitialize(int *argc, char ***argv) |
26 | 6 | { |
27 | 6 | UNUSED(argc); |
28 | 6 | UNUSED(argv); |
29 | | |
30 | 6 | if (git_libgit2_init() < 0) |
31 | 0 | abort(); |
32 | | |
33 | 6 | return 0; |
34 | 6 | } |
35 | | |
36 | | int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) |
37 | 1.51k | { |
38 | 1.51k | git_config *cfg = NULL; |
39 | 1.51k | git_config_backend *backend = NULL; |
40 | 1.51k | int err = 0; |
41 | | |
42 | 1.51k | if ((err = git_config_new(&cfg)) != 0) { |
43 | 0 | goto out; |
44 | 0 | } |
45 | | |
46 | 1.51k | if ((err = git_config_backend_from_string(&backend, (const char*)data, size, NULL)) != 0) { |
47 | 0 | goto out; |
48 | 0 | } |
49 | 1.51k | if ((err = git_config_add_backend(cfg, backend, 0, NULL, 0)) != 0) { |
50 | 755 | goto out; |
51 | 755 | } |
52 | | /* Now owned by the config */ |
53 | 759 | backend = NULL; |
54 | | |
55 | 759 | git_config_foreach(cfg, foreach_cb, NULL); |
56 | 1.51k | out: |
57 | 1.51k | git_config_backend_free(backend); |
58 | 1.51k | git_config_free(cfg); |
59 | | |
60 | 1.51k | return 0; |
61 | 759 | } |