#include "ndpi_api.h"

#include "fuzz_common_code.h"

#include <stdint.h>

#include <stdio.h>

#include <assert.h>

#include "fuzzer/FuzzedDataProvider.h"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

  FuzzedDataProvider fuzzed_data(data, size);

  u_int16_t i, num_iteration, is_added = 0;

  bool rc;

  ndpi_domain_classify *d;

  u_int8_t class_id;

  std::string value, value_added;

  /* To allow memory allocation failures */

  fuzz_set_alloc_callbacks_and_seed(size);

  d = ndpi_domain_classify_alloc();

  num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();

  for (i = 0; i < num_iteration; i++) {

    value = fuzzed_data.ConsumeBytesAsString(fuzzed_data.ConsumeIntegral<u_int8_t>());

    class_id = fuzzed_data.ConsumeIntegral<u_int8_t>();

    rc = ndpi_domain_classify_add(d, class_id, value.c_str());

    /* Keep one random entry really added */

    if (rc == true && is_added == 0 && fuzzed_data.ConsumeBool()) {

      value_added = value;

      is_added = 1;

    }

  }

  ndpi_domain_classify_add_domains(d,

           fuzzed_data.ConsumeIntegralInRange(0, NDPI_LAST_IMPLEMENTED_PROTOCOL - 1),

           fuzzed_data.ConsumeBool() ? (char *)"random_list.list" : (char *)"wrong_path");

  if (fuzzed_data.ConsumeBool())

    ndpi_domain_classify_finalize(d);

  /* "Random" search */

  num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();

  for (i = 0; i < num_iteration; i++) {

    value = fuzzed_data.ConsumeBytesAsString(fuzzed_data.ConsumeIntegral<u_int8_t>());

    ndpi_domain_classify_contains(d, &class_id, value.c_str());

  }

  /* Search of an added entry */

  if (is_added) {

    ndpi_domain_classify_contains(d, &class_id, value_added.c_str());

  }

  ndpi_domain_classify_size(d);

  ndpi_domain_classify_free(d);

  return 0;

}