ceph/src/c-ares/test/ares-test-fuzz.c

   1 #include <stddef.h>
   2
   3 #include "ares.h"
   4
   5 // Entrypoint for Clang's libfuzzer
   6 int LLVMFuzzerTestOneInput(const unsigned char *data,
   7                            unsigned long size) {
   8   // Feed the data into each of the ares_parse_*_reply functions.
   9   struct hostent *host = NULL;
  10   struct ares_addrttl info[5];
  11   int count = 5;
  12   ares_parse_a_reply(data, size, &host, info, &count);
  13   if (host) ares_free_hostent(host);
  14
  15   host = NULL;
  16   struct ares_addr6ttl info6[5];
  17   count = 5;
  18   ares_parse_aaaa_reply(data, size, &host, info6, &count);
  19   if (host) ares_free_hostent(host);
  20
  21   host = NULL;
  22   unsigned char addrv4[4] = {0x10, 0x20, 0x30, 0x40};
  23   ares_parse_ptr_reply(data, size, addrv4, sizeof(addrv4), AF_INET, &host);
  24   if (host) ares_free_hostent(host);
  25
  26   host = NULL;
  27   ares_parse_ns_reply(data, size, &host);
  28   if (host) ares_free_hostent(host);
  29
  30   struct ares_srv_reply* srv = NULL;
  31   ares_parse_srv_reply(data, size, &srv);
  32   if (srv) ares_free_data(srv);
  33
  34   struct ares_mx_reply* mx = NULL;
  35   ares_parse_mx_reply(data, size, &mx);
  36   if (mx) ares_free_data(mx);
  37
  38   struct ares_txt_reply* txt = NULL;
  39   ares_parse_txt_reply(data, size, &txt);
  40   if (txt) ares_free_data(txt);
  41
  42   struct ares_soa_reply* soa = NULL;
  43   ares_parse_soa_reply(data, size, &soa);
  44   if (soa) ares_free_data(soa);
  45   return 0;
  46 }