1 /*
2 Fuzzing ldb_parse_control_from_string
3 Copyright (C) Catalyst IT 2020
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18 #include "includes.h"
19 #include "fuzzing/fuzzing.h"
20 #include "ldb_private.h"
21
22
23 #define MAX_LENGTH (2 * 1024 * 1024 - 1)
24 char buf[MAX_LENGTH + 1] = {0};
25
LLVMFuzzerTestOneInput(uint8_t * input,size_t len)26 int LLVMFuzzerTestOneInput(uint8_t *input, size_t len)
27 {
28 struct ldb_control *control = NULL;
29 struct ldb_context *ldb = ldb_init(NULL, NULL);
30 if (ldb == NULL) {
31 return 0;
32 }
33 /*
34 * We copy the buffer in order to NUL-terminate, because running off
35 * the end of the string would be an uninteresting crash.
36 */
37 if (len > MAX_LENGTH) {
38 len = MAX_LENGTH;
39 }
40 memcpy(buf, input, len);
41 buf[len] = 0;
42
43 control = ldb_parse_control_from_string(ldb, ldb, buf);
44 if (control != NULL) {
45 ldb_control_to_string(ldb, control);
46 }
47 TALLOC_FREE(ldb);
48 return 0;
49 }
50