diff options
Diffstat (limited to 'lib/fuzzing/fuzz_ldb_comparison_fold.c')
-rw-r--r-- | lib/fuzzing/fuzz_ldb_comparison_fold.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/fuzzing/fuzz_ldb_comparison_fold.c b/lib/fuzzing/fuzz_ldb_comparison_fold.c new file mode 100644 index 0000000..08b2f59 --- /dev/null +++ b/lib/fuzzing/fuzz_ldb_comparison_fold.c @@ -0,0 +1,58 @@ +/* + Fuzzing ldb_comparison_fold() + Copyright (C) Catalyst IT 2020 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ +#include "includes.h" +#include "fuzzing/fuzzing.h" +#include "lib/ldb/include/ldb.h" +#include "lib/ldb/include/ldb_handlers.h" + +int LLVMFuzzerInitialize(int *argc, char ***argv) +{ + return 0; +} + + +int LLVMFuzzerTestOneInput(const uint8_t *input, size_t len) +{ + struct ldb_val v1, v2; + struct ldb_context *ldb = NULL; + + if (len < 2) { + return 0; + } + + v1.length = PULL_LE_U16(input, 0); + if (v1.length > len - 2) { + /* the exact case of v2.length == 0 is still available */ + return 0; + } + len -= 2; + input += 2; + + ldb = ldb_init(NULL, NULL); + if (ldb == NULL) { + return 0; + } + + v1.data = talloc_memdup(ldb, input, v1.length); + v2.length = len - v1.length; + v2.data = talloc_memdup(ldb, input + v1.length, v2.length); + + ldb_comparison_fold(ldb, ldb, &v1, &v2); + talloc_free(ldb); + return 0; +} |