lib/fuzzing/fuzz_reg_parse.c

   1 /*
   2  * Fuzzing for reg_parse
   3  * Copyright (C) Michael Hanselmann 2019
   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
  19 #include "includes.h"
  20 #include "fuzzing/fuzzing.h"
  21 #include "lib/util/fault.h"
  22 #include "registry.h"
  23 #include "registry/reg_parse.h"
  24
  25 static FILE *fp;
  26
  27 int LLVMFuzzerInitialize(int *argc, char ***argv)
  28 {
  29         fp = tmpfile();
  30
  31         return 0;
  32 }
  33
  34 int LLVMFuzzerTestOneInput(uint8_t *buf, size_t len)
  35 {
  36         const reg_parse_callback cb = {0};
  37
  38         rewind(fp);
  39         (void)fwrite(buf, len, 1, fp);
  40         (void)fflush(fp);
  41         rewind(fp);
  42
  43         (void)reg_parse_fd(fileno(fp), &cb, "");
  44
  45         return 0;
  46 }