/*

   Fuzzing ldb_dn_explode

   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 "ldb.h"

#define MAX_LENGTH (2 * 1024 * 1024 - 1)

char buf[MAX_LENGTH + 1] = {0};

int LLVMFuzzerTestOneInput(const uint8_t *input, size_t len)

{

  struct ldb_dn *dn = NULL;

  struct ldb_context *ldb = ldb_init(NULL, NULL);

  if (ldb == NULL) {

    return 0;

  }

  /*

   * We copy the buffer in order to NUL-terminate, because running off

   *  the end of the string would be an uninteresting crash.

   */

  if (len > MAX_LENGTH) {

    len = MAX_LENGTH;

  }

  memcpy(buf, input, len);

  buf[len] = 0;

  dn = ldb_dn_new(ldb, ldb, buf);

  ldb_dn_validate(dn);

  TALLOC_FREE(ldb);

  return 0;

}

int LLVMFuzzerInitialize(int *argc, char ***argv)

{

  return 0;

}