src/fuzz/fuzz-main.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "alloc-util.h"
   4 #include "log.h"
   5 #include "fileio.h"
   6 #include "fuzz.h"
   7 #include "tests.h"
   8
   9 /* This is a test driver for the systemd fuzzers that provides main function
  10  * for regression testing outside of oss-fuzz (https://github.com/google/oss-fuzz)
  11  *
  12  * It reads files named on the command line and passes them one by one into the
  13  * fuzzer that it is compiled into. */
  14
  15 /* This one was borrowed from
  16  * https://github.com/google/oss-fuzz/blob/646fca1b506b056db3a60d32c4a1a7398f171c94/infra/base-images/base-runner/bad_build_check#L19
  17  */
  18 #define MIN_NUMBER_OF_RUNS 4
  19
  20 int main(int argc, char **argv) {
  21         int i, r;
  22         size_t size;
  23         char *name;
  24
  25         test_setup_logging(LOG_DEBUG);
  26
  27         for (i = 1; i < argc; i++) {
  28                 _cleanup_free_ char *buf = NULL;
  29
  30                 name = argv[i];
  31                 r = read_full_file(name, &buf, &size);
  32                 if (r < 0) {
  33                         log_error_errno(r, "Failed to open '%s': %m", name);
  34                         return EXIT_FAILURE;
  35                 }
  36                 printf("%s... ", name);
  37                 fflush(stdout);
  38                 for (int j = 0; j < MIN_NUMBER_OF_RUNS; j++)
  39                         (void) LLVMFuzzerTestOneInput((uint8_t*)buf, size);
  40                 printf("ok\n");
  41         }
  42
  43         return EXIT_SUCCESS;
  44 }