src/network/fuzz-network-parser.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "fd-util.h"
   4 #include "fs-util.h"
   5 #include "fuzz.h"
   6 #include "networkd-manager.h"
   7 #include "tmpfile-util.h"
   8
   9 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  10         _cleanup_(manager_freep) Manager *manager = NULL;
  11         _cleanup_fclose_ FILE *f = NULL;
  12         _cleanup_(unlink_tempfilep) char network_config[] = "/tmp/fuzz-networkd.XXXXXX";
  13
  14         if (outside_size_range(size, 0, 65536))
  15                 return 0;
  16
  17         fuzz_setup_logging();
  18
  19         assert_se(fmkostemp_safe(network_config, "r+", &f) == 0);
  20         if (size != 0)
  21                 assert_se(fwrite(data, size, 1, f) == 1);
  22
  23         fflush(f);
  24         assert_se(manager_new(&manager, /* test_mode = */ true) >= 0);
  25         (void) network_load_one(manager, &manager->networks, network_config);
  26         return 0;
  27 }