/*

   Fuzzing parse_lpq_entry

   Copyright (C) Douglas Bagnall <dbagnall@samba.org> 2021

   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 "../../source3/include/includes.h"

#include "printing.h"

#include "fuzzing/fuzzing.h"

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

{

  return 0;

}

#define MAX_LENGTH (1024 * 1024)

char line[MAX_LENGTH + 1];

int LLVMFuzzerTestOneInput(const uint8_t *input, size_t len)

{

  enum printing_types printing_type;

  print_queue_struct pq_buf = {0};

  print_status_struct status = {0};

  bool first;

  unsigned x;

  TALLOC_CTX *frame = NULL;

  if (len < 1 || len > MAX_LENGTH) {

    return 0;

  }

  x = input[0];

  input++;

  len--;

  /* There are 14 types, default goes to bsd */

  printing_type = x & 15;

  first = (x & 16) ? true : false;

  memcpy(line, input, len);

  line[len] = '\0';

  /* parse_lpq_bsd requires a stackframe */

  frame = talloc_stackframe();

  parse_lpq_entry(printing_type,

      line,

      &pq_buf, /* out */

      &status, /* out */

      first);

  talloc_free(frame);

  return 0;

}