lib/fuzzing/afl-fuzz-main.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Fuzz driver (AFL style)
   5
   6    Copyright (C) Andrew Bartlett 2019
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "lib/util/samba_util.h"
  24 #include "fuzzing.h"
  25
  26 int main(int argc, char *argv[]) {
  27         int ret;
  28         size_t size = 0;
  29 #ifdef __AFL_LOOP
  30         while (__AFL_LOOP(1000))
  31 #else
  32         int i;
  33         for (i = 0; i < argc; i++) {
  34                 uint8_t *buf = (uint8_t *)file_load(argv[i],
  35                                                     &size,
  36                                                     0,
  37                                                     NULL);
  38                 ret = LLVMFuzzerTestOneInput(buf, size);
  39                 TALLOC_FREE(buf);
  40                 if (ret != 0) {
  41                         return ret;
  42                 }
  43         }
  44         if (i == 0)
  45 #endif
  46         {
  47                 uint8_t *buf = (uint8_t *)fd_load(0, &size, 0, NULL);
  48                 if (buf == NULL) {
  49                         exit(1);
  50                 }
  51
  52                 ret = LLVMFuzzerTestOneInput(buf, size);
  53                 TALLOC_FREE(buf);
  54         }
  55         return ret;
  56 }