/src/libssh/tests/fuzz/ssh_bind_config_fuzzer.c
Line | Count | Source |
1 | | /* |
2 | | * Copyright 2021 Jakub Jelen <jjelen@redhat.com> |
3 | | * |
4 | | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | | * you may not use this file except in compliance with the License. |
6 | | * You may obtain a copy of the License at |
7 | | * |
8 | | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | | * |
10 | | * Unless required by applicable law or agreed to in writing, software |
11 | | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | | * See the License for the specific language governing permissions and |
14 | | * limitations under the License. |
15 | | */ |
16 | | |
17 | | #include <assert.h> |
18 | | #include <stdio.h> |
19 | | #include <stdlib.h> |
20 | | #include <string.h> |
21 | | |
22 | | #define LIBSSH_STATIC 1 |
23 | | #include "libssh/libssh.h" |
24 | | #include "libssh/server.h" |
25 | | #include "libssh/bind_config.h" |
26 | | |
27 | | #include "nallocinc.c" |
28 | | |
29 | | static void _fuzz_finalize(void) |
30 | 4 | { |
31 | 4 | ssh_finalize(); |
32 | 4 | } |
33 | | |
34 | | int LLVMFuzzerInitialize(int *argc, char ***argv) |
35 | 32 | { |
36 | 32 | (void)argc; |
37 | | |
38 | 32 | nalloc_init(*argv[0]); |
39 | | |
40 | 32 | ssh_init(); |
41 | | |
42 | 32 | atexit(_fuzz_finalize); |
43 | | |
44 | 32 | return 0; |
45 | 32 | } |
46 | | |
47 | | int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) |
48 | 3.03k | { |
49 | 3.03k | ssh_bind bind = NULL; |
50 | 3.03k | char *input = NULL; |
51 | | |
52 | 3.03k | input = (char *)malloc(size + 1); |
53 | 3.03k | if (!input) { |
54 | 0 | return 1; |
55 | 0 | } |
56 | 3.03k | strncpy(input, (const char *)data, size); |
57 | 3.03k | input[size] = '\0'; |
58 | | |
59 | 3.03k | assert(nalloc_start(data, size) > 0); |
60 | | |
61 | 3.03k | bind = ssh_bind_new(); |
62 | 3.03k | if (bind == NULL) { |
63 | 213 | goto out; |
64 | 213 | } |
65 | | |
66 | 2.82k | ssh_bind_config_parse_string(bind, input); |
67 | | |
68 | 2.82k | ssh_bind_free(bind); |
69 | | |
70 | 3.03k | out: |
71 | 3.03k | free(input); |
72 | | |
73 | 3.03k | nalloc_end(); |
74 | 3.03k | return 0; |
75 | 2.82k | } |