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fuzz_microdesc.c (1156B)

      1 /* Copyright (c) 2016-2021, The Tor Project, Inc. */
      2 /* See LICENSE for licensing information */
      3 
      4 #include "core/or/or.h"
      5 #include "feature/dirparse/microdesc_parse.h"
      6 #include "feature/dirparse/unparseable.h"
      7 #include "feature/nodelist/microdesc.h"
      8 #include "lib/crypt_ops/crypto_ed25519.h"
      9 
     10 #include "test/fuzz/fuzzing.h"
     11 
     12 static void
     13 mock_dump_desc__nodump(const char *desc, const char *type)
     14 {
     15  (void)desc;
     16  (void)type;
     17 }
     18 
     19 int
     20 fuzz_init(void)
     21 {
     22  disable_signature_checking();
     23  MOCK(dump_desc, mock_dump_desc__nodump);
     24  ed25519_init();
     25  return 0;
     26 }
     27 
     28 int
     29 fuzz_cleanup(void)
     30 {
     31  return 0;
     32 }
     33 
     34 int
     35 fuzz_main(const uint8_t *data, size_t sz)
     36 {
     37  const char *str = (const char*) data;
     38  smartlist_t *result = microdescs_parse_from_string((const char *)str,
     39                                                     str+sz,
     40                                                     0, SAVED_NOWHERE, NULL);
     41  if (result) {
     42    log_debug(LD_GENERAL, "Parsing okay: %d", smartlist_len(result));
     43    SMARTLIST_FOREACH(result, microdesc_t *, md, microdesc_free(md));
     44    smartlist_free(result);
     45  } else {
     46    log_debug(LD_GENERAL, "Parsing failed");
     47  }
     48  return 0;
     49 }