projects/tidy-html5/tidy_parse_string_fuzzer.c

/*
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include "tidybuffio.h"
#include "tidy.h"


int TidyXhtml(const char* input, TidyBuffer* output, TidyBuffer* errbuf) {
  TidyDoc tdoc = tidyCreate();
  tidyOptSetBool( tdoc, TidyXhtmlOut, yes );
  tidySetErrorBuffer(tdoc, errbuf);

  tidyParseString(tdoc, input);

  tidyCleanAndRepair(tdoc);
  tidyRunDiagnostics(tdoc);
  tidyOptSetBool(tdoc, TidyForceOutput, yes);
  tidySaveBuffer(tdoc, output);
  tidyRelease( tdoc );
  return 0;
}

int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  char *fuzz_inp = malloc(size+1);
  memcpy(fuzz_inp, data, size);
  fuzz_inp[size] = '\0';

  TidyBuffer fuzz_toutput;
  TidyBuffer fuzz_terror;

  tidyBufInit(&fuzz_toutput);
  tidyBufInit(&fuzz_terror);

  TidyXhtml(fuzz_inp, &fuzz_toutput, &fuzz_terror);

  tidyBufFree(&fuzz_toutput);
  tidyBufFree(&fuzz_terror);
  free(fuzz_inp);
  return 0;
}